clang -cc1 -cc1 -triple amd64-unknown-openbsd7.0 -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name SemaExprCXX.cpp -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model static -mframe-pointer=all -relaxed-aliasing -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/gnu/usr.bin/clang/libclangSema/obj -resource-dir /usr/local/lib/clang/13.0.0 -I /usr/src/gnu/usr.bin/clang/libclangSema/obj/../include/clang/Sema -I /usr/src/gnu/usr.bin/clang/libclangSema/../../../llvm/clang/include -I /usr/src/gnu/usr.bin/clang/libclangSema/../../../llvm/llvm/include -I /usr/src/gnu/usr.bin/clang/libclangSema/../include -I /usr/src/gnu/usr.bin/clang/libclangSema/obj -I /usr/src/gnu/usr.bin/clang/libclangSema/obj/../include -D NDEBUG -D __STDC_LIMIT_MACROS -D __STDC_CONSTANT_MACROS -D __STDC_FORMAT_MACROS -D LLVM_PREFIX="/usr" -internal-isystem /usr/include/c++/v1 -internal-isystem /usr/local/lib/clang/13.0.0/include -internal-externc-isystem /usr/include -O2 -Wno-unused-parameter -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long -Wno-comment -std=c++14 -fdeprecated-macro -fdebug-compilation-dir=/usr/src/gnu/usr.bin/clang/libclangSema/obj -ferror-limit 19 -fvisibility-inlines-hidden -fwrapv -stack-protector 2 -fno-rtti -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/ben/Projects/vmm/scan-build/2022-01-12-194120-40624-1 -x c++ /usr/src/gnu/usr.bin/clang/libclangSema/../../../llvm/clang/lib/Sema/SemaExprCXX.cpp
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13 | |
14 | #include "clang/Sema/Template.h" |
15 | #include "clang/Sema/SemaInternal.h" |
16 | #include "TreeTransform.h" |
17 | #include "TypeLocBuilder.h" |
18 | #include "clang/AST/ASTContext.h" |
19 | #include "clang/AST/ASTLambda.h" |
20 | #include "clang/AST/CXXInheritance.h" |
21 | #include "clang/AST/CharUnits.h" |
22 | #include "clang/AST/DeclObjC.h" |
23 | #include "clang/AST/ExprCXX.h" |
24 | #include "clang/AST/ExprObjC.h" |
25 | #include "clang/AST/RecursiveASTVisitor.h" |
26 | #include "clang/AST/TypeLoc.h" |
27 | #include "clang/Basic/AlignedAllocation.h" |
28 | #include "clang/Basic/PartialDiagnostic.h" |
29 | #include "clang/Basic/TargetInfo.h" |
30 | #include "clang/Lex/Preprocessor.h" |
31 | #include "clang/Sema/DeclSpec.h" |
32 | #include "clang/Sema/Initialization.h" |
33 | #include "clang/Sema/Lookup.h" |
34 | #include "clang/Sema/ParsedTemplate.h" |
35 | #include "clang/Sema/Scope.h" |
36 | #include "clang/Sema/ScopeInfo.h" |
37 | #include "clang/Sema/SemaLambda.h" |
38 | #include "clang/Sema/TemplateDeduction.h" |
39 | #include "llvm/ADT/APInt.h" |
40 | #include "llvm/ADT/STLExtras.h" |
41 | #include "llvm/Support/ErrorHandling.h" |
42 | using namespace clang; |
43 | using namespace sema; |
44 | |
45 | |
46 | |
47 | |
48 | |
49 | ParsedType Sema::getInheritingConstructorName(CXXScopeSpec &SS, |
50 | SourceLocation NameLoc, |
51 | IdentifierInfo &Name) { |
52 | NestedNameSpecifier *NNS = SS.getScopeRep(); |
53 | |
54 | |
55 | QualType Type; |
56 | switch (NNS->getKind()) { |
57 | case NestedNameSpecifier::TypeSpec: |
58 | case NestedNameSpecifier::TypeSpecWithTemplate: |
59 | Type = QualType(NNS->getAsType(), 0); |
60 | break; |
61 | |
62 | case NestedNameSpecifier::Identifier: |
63 | |
64 | |
65 | assert(NNS->getAsIdentifier() == &Name && "not a constructor name"); |
66 | Type = Context.getDependentNameType(ETK_None, NNS->getPrefix(), |
67 | NNS->getAsIdentifier()); |
68 | break; |
69 | |
70 | case NestedNameSpecifier::Global: |
71 | case NestedNameSpecifier::Super: |
72 | case NestedNameSpecifier::Namespace: |
73 | case NestedNameSpecifier::NamespaceAlias: |
74 | llvm_unreachable("Nested name specifier is not a type for inheriting ctor"); |
75 | } |
76 | |
77 | |
78 | |
79 | return CreateParsedType(Type, |
80 | Context.getTrivialTypeSourceInfo(Type, NameLoc)); |
81 | } |
82 | |
83 | ParsedType Sema::getConstructorName(IdentifierInfo &II, |
84 | SourceLocation NameLoc, |
85 | Scope *S, CXXScopeSpec &SS, |
86 | bool EnteringContext) { |
87 | CXXRecordDecl *CurClass = getCurrentClass(S, &SS); |
88 | assert(CurClass && &II == CurClass->getIdentifier() && |
89 | "not a constructor name"); |
90 | |
91 | |
92 | |
93 | |
94 | if (CurClass->isDependentContext() && !EnteringContext && SS.getScopeRep()) { |
95 | QualType T = Context.getDependentNameType(ETK_None, SS.getScopeRep(), &II); |
96 | return ParsedType::make(T); |
97 | } |
98 | |
99 | if (SS.isNotEmpty() && RequireCompleteDeclContext(SS, CurClass)) |
100 | return ParsedType(); |
101 | |
102 | |
103 | |
104 | |
105 | |
106 | |
107 | |
108 | CXXRecordDecl *InjectedClassName = nullptr; |
109 | for (NamedDecl *ND : CurClass->lookup(&II)) { |
110 | auto *RD = dyn_cast<CXXRecordDecl>(ND); |
111 | if (RD && RD->isInjectedClassName()) { |
112 | InjectedClassName = RD; |
113 | break; |
114 | } |
115 | } |
116 | if (!InjectedClassName) { |
117 | if (!CurClass->isInvalidDecl()) { |
118 | |
119 | |
120 | Diag(SS.getLastQualifierNameLoc(), |
121 | diag::err_incomplete_nested_name_spec) << CurClass << SS.getRange(); |
122 | } |
123 | return ParsedType(); |
124 | } |
125 | |
126 | QualType T = Context.getTypeDeclType(InjectedClassName); |
127 | DiagnoseUseOfDecl(InjectedClassName, NameLoc); |
128 | MarkAnyDeclReferenced(NameLoc, InjectedClassName, false); |
129 | |
130 | return ParsedType::make(T); |
131 | } |
132 | |
133 | ParsedType Sema::getDestructorName(SourceLocation TildeLoc, |
134 | IdentifierInfo &II, |
135 | SourceLocation NameLoc, |
136 | Scope *S, CXXScopeSpec &SS, |
137 | ParsedType ObjectTypePtr, |
138 | bool EnteringContext) { |
139 | |
140 | |
141 | |
142 | |
143 | |
144 | |
145 | |
146 | |
147 | |
148 | |
149 | |
150 | |
151 | |
152 | |
153 | |
154 | |
155 | |
156 | |
157 | |
158 | |
159 | |
160 | |
161 | |
162 | |
163 | |
164 | |
165 | |
166 | |
167 | |
168 | if (SS.isInvalid()) |
169 | return nullptr; |
170 | |
171 | |
172 | bool Failed = false; |
173 | |
174 | llvm::SmallVector<NamedDecl*, 8> FoundDecls; |
175 | llvm::SmallPtrSet<CanonicalDeclPtr<Decl>, 8> FoundDeclSet; |
176 | |
177 | |
178 | |
179 | |
180 | QualType SearchType = |
181 | ObjectTypePtr ? GetTypeFromParser(ObjectTypePtr) : QualType(); |
182 | |
183 | auto CheckLookupResult = [&](LookupResult &Found) -> ParsedType { |
184 | auto IsAcceptableResult = [&](NamedDecl *D) -> bool { |
185 | auto *Type = dyn_cast<TypeDecl>(D->getUnderlyingDecl()); |
186 | if (!Type) |
187 | return false; |
188 | |
189 | if (SearchType.isNull() || SearchType->isDependentType()) |
190 | return true; |
191 | |
192 | QualType T = Context.getTypeDeclType(Type); |
193 | return Context.hasSameUnqualifiedType(T, SearchType); |
194 | }; |
195 | |
196 | unsigned NumAcceptableResults = 0; |
197 | for (NamedDecl *D : Found) { |
198 | if (IsAcceptableResult(D)) |
199 | ++NumAcceptableResults; |
200 | |
201 | |
202 | |
203 | |
204 | if (auto *RD = dyn_cast<CXXRecordDecl>(D)) |
205 | if (RD->isInjectedClassName()) |
206 | D = cast<NamedDecl>(RD->getParent()); |
207 | |
208 | if (FoundDeclSet.insert(D).second) |
209 | FoundDecls.push_back(D); |
210 | } |
211 | |
212 | |
213 | |
214 | |
215 | |
216 | |
217 | if (Found.isAmbiguous() && NumAcceptableResults == 1) { |
218 | Diag(NameLoc, diag::ext_dtor_name_ambiguous); |
219 | LookupResult::Filter F = Found.makeFilter(); |
220 | while (F.hasNext()) { |
221 | NamedDecl *D = F.next(); |
222 | if (auto *TD = dyn_cast<TypeDecl>(D->getUnderlyingDecl())) |
223 | Diag(D->getLocation(), diag::note_destructor_type_here) |
224 | << Context.getTypeDeclType(TD); |
225 | else |
226 | Diag(D->getLocation(), diag::note_destructor_nontype_here); |
227 | |
228 | if (!IsAcceptableResult(D)) |
229 | F.erase(); |
230 | } |
231 | F.done(); |
232 | } |
233 | |
234 | if (Found.isAmbiguous()) |
235 | Failed = true; |
236 | |
237 | if (TypeDecl *Type = Found.getAsSingle<TypeDecl>()) { |
238 | if (IsAcceptableResult(Type)) { |
239 | QualType T = Context.getTypeDeclType(Type); |
240 | MarkAnyDeclReferenced(Type->getLocation(), Type, false); |
241 | return CreateParsedType(T, |
242 | Context.getTrivialTypeSourceInfo(T, NameLoc)); |
243 | } |
244 | } |
245 | |
246 | return nullptr; |
247 | }; |
248 | |
249 | bool IsDependent = false; |
250 | |
251 | auto LookupInObjectType = [&]() -> ParsedType { |
252 | if (Failed || SearchType.isNull()) |
253 | return nullptr; |
254 | |
255 | IsDependent |= SearchType->isDependentType(); |
256 | |
257 | LookupResult Found(*this, &II, NameLoc, LookupDestructorName); |
258 | DeclContext *LookupCtx = computeDeclContext(SearchType); |
259 | if (!LookupCtx) |
260 | return nullptr; |
261 | LookupQualifiedName(Found, LookupCtx); |
262 | return CheckLookupResult(Found); |
263 | }; |
264 | |
265 | auto LookupInNestedNameSpec = [&](CXXScopeSpec &LookupSS) -> ParsedType { |
266 | if (Failed) |
267 | return nullptr; |
268 | |
269 | IsDependent |= isDependentScopeSpecifier(LookupSS); |
270 | DeclContext *LookupCtx = computeDeclContext(LookupSS, EnteringContext); |
271 | if (!LookupCtx) |
272 | return nullptr; |
273 | |
274 | LookupResult Found(*this, &II, NameLoc, LookupDestructorName); |
275 | if (RequireCompleteDeclContext(LookupSS, LookupCtx)) { |
276 | Failed = true; |
277 | return nullptr; |
278 | } |
279 | LookupQualifiedName(Found, LookupCtx); |
280 | return CheckLookupResult(Found); |
281 | }; |
282 | |
283 | auto LookupInScope = [&]() -> ParsedType { |
284 | if (Failed || !S) |
285 | return nullptr; |
286 | |
287 | LookupResult Found(*this, &II, NameLoc, LookupDestructorName); |
288 | LookupName(Found, S); |
289 | return CheckLookupResult(Found); |
290 | }; |
291 | |
292 | |
293 | |
294 | |
295 | |
296 | |
297 | |
298 | |
299 | |
300 | |
301 | |
302 | |
303 | |
304 | |
305 | |
306 | |
307 | |
308 | |
309 | |
310 | |
311 | |
312 | |
313 | |
314 | |
315 | |
316 | |
317 | |
318 | |
319 | |
320 | |
321 | |
322 | |
323 | |
324 | |
325 | |
326 | |
327 | if (NestedNameSpecifier *Prefix = |
328 | SS.isSet() ? SS.getScopeRep()->getPrefix() : nullptr) { |
329 | |
330 | |
331 | |
332 | |
333 | |
334 | CXXScopeSpec PrefixSS; |
335 | PrefixSS.Adopt(NestedNameSpecifierLoc(Prefix, SS.location_data())); |
336 | if (ParsedType T = LookupInNestedNameSpec(PrefixSS)) |
337 | return T; |
338 | } else { |
339 | |
340 | |
341 | |
342 | |
343 | |
344 | |
345 | if (ParsedType T = LookupInScope()) |
346 | return T; |
347 | if (ParsedType T = LookupInObjectType()) |
348 | return T; |
349 | } |
350 | |
351 | if (Failed) |
352 | return nullptr; |
353 | |
354 | if (IsDependent) { |
355 | |
356 | |
357 | |
358 | QualType T = CheckTypenameType(ETK_None, SourceLocation(), |
359 | SS.getWithLocInContext(Context), |
360 | II, NameLoc); |
361 | return ParsedType::make(T); |
362 | } |
363 | |
364 | |
365 | |
366 | unsigned NumNonExtensionDecls = FoundDecls.size(); |
367 | |
368 | if (SS.isSet()) { |
369 | |
370 | |
371 | |
372 | |
373 | |
374 | if (ParsedType T = LookupInNestedNameSpec(SS)) { |
375 | Diag(SS.getEndLoc(), diag::ext_dtor_named_in_wrong_scope) |
376 | << SS.getRange() |
377 | << FixItHint::CreateInsertion(SS.getEndLoc(), |
378 | ("::" + II.getName()).str()); |
379 | return T; |
380 | } |
381 | |
382 | |
383 | |
384 | |
385 | |
386 | |
387 | |
388 | if (SS.getScopeRep()->getPrefix()) { |
389 | if (ParsedType T = LookupInScope()) { |
390 | Diag(SS.getEndLoc(), diag::ext_qualified_dtor_named_in_lexical_scope) |
391 | << FixItHint::CreateRemoval(SS.getRange()); |
392 | Diag(FoundDecls.back()->getLocation(), diag::note_destructor_type_here) |
393 | << GetTypeFromParser(T); |
394 | return T; |
395 | } |
396 | } |
397 | } |
398 | |
399 | |
400 | |
401 | |
402 | |
403 | FoundDecls.resize(NumNonExtensionDecls); |
404 | |
405 | |
406 | std::stable_sort(FoundDecls.begin(), FoundDecls.end(), |
407 | [](NamedDecl *A, NamedDecl *B) { |
408 | return isa<TypeDecl>(A->getUnderlyingDecl()) > |
409 | isa<TypeDecl>(B->getUnderlyingDecl()); |
410 | }); |
411 | |
412 | |
413 | auto MakeFixItHint = [&]{ |
414 | const CXXRecordDecl *Destroyed = nullptr; |
415 | |
416 | if (!SearchType.isNull()) |
417 | Destroyed = SearchType->getAsCXXRecordDecl(); |
418 | else if (S) |
419 | Destroyed = dyn_cast_or_null<CXXRecordDecl>(S->getEntity()); |
420 | if (Destroyed) |
421 | return FixItHint::CreateReplacement(SourceRange(NameLoc), |
422 | Destroyed->getNameAsString()); |
423 | return FixItHint(); |
424 | }; |
425 | |
426 | if (FoundDecls.empty()) { |
427 | |
428 | Diag(NameLoc, diag::err_undeclared_destructor_name) |
429 | << &II << MakeFixItHint(); |
430 | } else if (!SearchType.isNull() && FoundDecls.size() == 1) { |
431 | if (auto *TD = dyn_cast<TypeDecl>(FoundDecls[0]->getUnderlyingDecl())) { |
432 | assert(!SearchType.isNull() && |
433 | "should only reject a type result if we have a search type"); |
434 | QualType T = Context.getTypeDeclType(TD); |
435 | Diag(NameLoc, diag::err_destructor_expr_type_mismatch) |
436 | << T << SearchType << MakeFixItHint(); |
437 | } else { |
438 | Diag(NameLoc, diag::err_destructor_expr_nontype) |
439 | << &II << MakeFixItHint(); |
440 | } |
441 | } else { |
442 | Diag(NameLoc, SearchType.isNull() ? diag::err_destructor_name_nontype |
443 | : diag::err_destructor_expr_mismatch) |
444 | << &II << SearchType << MakeFixItHint(); |
445 | } |
446 | |
447 | for (NamedDecl *FoundD : FoundDecls) { |
448 | if (auto *TD = dyn_cast<TypeDecl>(FoundD->getUnderlyingDecl())) |
449 | Diag(FoundD->getLocation(), diag::note_destructor_type_here) |
450 | << Context.getTypeDeclType(TD); |
451 | else |
452 | Diag(FoundD->getLocation(), diag::note_destructor_nontype_here) |
453 | << FoundD; |
454 | } |
455 | |
456 | return nullptr; |
457 | } |
458 | |
459 | ParsedType Sema::getDestructorTypeForDecltype(const DeclSpec &DS, |
460 | ParsedType ObjectType) { |
461 | if (DS.getTypeSpecType() == DeclSpec::TST_error) |
462 | return nullptr; |
463 | |
464 | if (DS.getTypeSpecType() == DeclSpec::TST_decltype_auto) { |
465 | Diag(DS.getTypeSpecTypeLoc(), diag::err_decltype_auto_invalid); |
466 | return nullptr; |
467 | } |
468 | |
469 | assert(DS.getTypeSpecType() == DeclSpec::TST_decltype && |
470 | "unexpected type in getDestructorType"); |
471 | QualType T = BuildDecltypeType(DS.getRepAsExpr(), DS.getTypeSpecTypeLoc()); |
472 | |
473 | |
474 | |
475 | QualType SearchType = GetTypeFromParser(ObjectType); |
476 | if (!SearchType.isNull() && !SearchType->isDependentType() && |
477 | !Context.hasSameUnqualifiedType(T, SearchType)) { |
478 | Diag(DS.getTypeSpecTypeLoc(), diag::err_destructor_expr_type_mismatch) |
479 | << T << SearchType; |
480 | return nullptr; |
481 | } |
482 | |
483 | return ParsedType::make(T); |
484 | } |
485 | |
486 | bool Sema::checkLiteralOperatorId(const CXXScopeSpec &SS, |
487 | const UnqualifiedId &Name, bool IsUDSuffix) { |
488 | assert(Name.getKind() == UnqualifiedIdKind::IK_LiteralOperatorId); |
489 | if (!IsUDSuffix) { |
490 | |
491 | |
492 | |
493 | |
494 | IdentifierInfo *II = Name.Identifier; |
495 | ReservedIdentifierStatus Status = II->isReserved(PP.getLangOpts()); |
496 | SourceLocation Loc = Name.getEndLoc(); |
497 | if (Status != ReservedIdentifierStatus::NotReserved && |
498 | !PP.getSourceManager().isInSystemHeader(Loc)) { |
499 | Diag(Loc, diag::warn_reserved_extern_symbol) |
500 | << II << static_cast<int>(Status) |
501 | << FixItHint::CreateReplacement( |
502 | Name.getSourceRange(), |
503 | (StringRef("operator\"\"") + II->getName()).str()); |
504 | } |
505 | } |
506 | |
507 | if (!SS.isValid()) |
508 | return false; |
509 | |
510 | switch (SS.getScopeRep()->getKind()) { |
511 | case NestedNameSpecifier::Identifier: |
512 | case NestedNameSpecifier::TypeSpec: |
513 | case NestedNameSpecifier::TypeSpecWithTemplate: |
514 | |
515 | |
516 | |
517 | |
518 | Diag(Name.getBeginLoc(), diag::err_literal_operator_id_outside_namespace) |
519 | << SS.getScopeRep(); |
520 | return true; |
521 | |
522 | case NestedNameSpecifier::Global: |
523 | case NestedNameSpecifier::Super: |
524 | case NestedNameSpecifier::Namespace: |
525 | case NestedNameSpecifier::NamespaceAlias: |
526 | return false; |
527 | } |
528 | |
529 | llvm_unreachable("unknown nested name specifier kind"); |
530 | } |
531 | |
532 | |
533 | ExprResult Sema::BuildCXXTypeId(QualType TypeInfoType, |
534 | SourceLocation TypeidLoc, |
535 | TypeSourceInfo *Operand, |
536 | SourceLocation RParenLoc) { |
537 | |
538 | |
539 | |
540 | |
541 | |
542 | Qualifiers Quals; |
543 | QualType T |
544 | = Context.getUnqualifiedArrayType(Operand->getType().getNonReferenceType(), |
545 | Quals); |
546 | if (T->getAs<RecordType>() && |
547 | RequireCompleteType(TypeidLoc, T, diag::err_incomplete_typeid)) |
548 | return ExprError(); |
549 | |
550 | if (T->isVariablyModifiedType()) |
551 | return ExprError(Diag(TypeidLoc, diag::err_variably_modified_typeid) << T); |
552 | |
553 | if (CheckQualifiedFunctionForTypeId(T, TypeidLoc)) |
554 | return ExprError(); |
555 | |
556 | return new (Context) CXXTypeidExpr(TypeInfoType.withConst(), Operand, |
557 | SourceRange(TypeidLoc, RParenLoc)); |
558 | } |
559 | |
560 | |
561 | ExprResult Sema::BuildCXXTypeId(QualType TypeInfoType, |
562 | SourceLocation TypeidLoc, |
563 | Expr *E, |
564 | SourceLocation RParenLoc) { |
565 | bool WasEvaluated = false; |
566 | if (E && !E->isTypeDependent()) { |
567 | if (E->getType()->isPlaceholderType()) { |
568 | ExprResult result = CheckPlaceholderExpr(E); |
569 | if (result.isInvalid()) return ExprError(); |
570 | E = result.get(); |
571 | } |
572 | |
573 | QualType T = E->getType(); |
574 | if (const RecordType *RecordT = T->getAs<RecordType>()) { |
575 | CXXRecordDecl *RecordD = cast<CXXRecordDecl>(RecordT->getDecl()); |
576 | |
577 | |
578 | |
579 | if (RequireCompleteType(TypeidLoc, T, diag::err_incomplete_typeid)) |
580 | return ExprError(); |
581 | |
582 | |
583 | |
584 | |
585 | |
586 | if (RecordD->isPolymorphic() && E->isGLValue()) { |
587 | if (isUnevaluatedContext()) { |
588 | |
589 | |
590 | ExprResult Result = TransformToPotentiallyEvaluated(E); |
591 | if (Result.isInvalid()) |
592 | return ExprError(); |
593 | E = Result.get(); |
594 | } |
595 | |
596 | |
597 | MarkVTableUsed(TypeidLoc, RecordD); |
598 | WasEvaluated = true; |
599 | } |
600 | } |
601 | |
602 | ExprResult Result = CheckUnevaluatedOperand(E); |
603 | if (Result.isInvalid()) |
604 | return ExprError(); |
605 | E = Result.get(); |
606 | |
607 | |
608 | |
609 | |
610 | |
611 | |
612 | Qualifiers Quals; |
613 | QualType UnqualT = Context.getUnqualifiedArrayType(T, Quals); |
614 | if (!Context.hasSameType(T, UnqualT)) { |
615 | T = UnqualT; |
616 | E = ImpCastExprToType(E, UnqualT, CK_NoOp, E->getValueKind()).get(); |
617 | } |
618 | } |
619 | |
620 | if (E->getType()->isVariablyModifiedType()) |
621 | return ExprError(Diag(TypeidLoc, diag::err_variably_modified_typeid) |
622 | << E->getType()); |
623 | else if (!inTemplateInstantiation() && |
624 | E->HasSideEffects(Context, WasEvaluated)) { |
625 | |
626 | |
627 | Diag(E->getExprLoc(), WasEvaluated |
628 | ? diag::warn_side_effects_typeid |
629 | : diag::warn_side_effects_unevaluated_context); |
630 | } |
631 | |
632 | return new (Context) CXXTypeidExpr(TypeInfoType.withConst(), E, |
633 | SourceRange(TypeidLoc, RParenLoc)); |
634 | } |
635 | |
636 | |
637 | ExprResult |
638 | Sema::ActOnCXXTypeid(SourceLocation OpLoc, SourceLocation LParenLoc, |
639 | bool isType, void *TyOrExpr, SourceLocation RParenLoc) { |
640 | |
641 | if (getLangOpts().OpenCLCPlusPlus) { |
642 | return ExprError(Diag(OpLoc, diag::err_openclcxx_not_supported) |
643 | << "typeid"); |
644 | } |
645 | |
646 | |
647 | if (!getStdNamespace()) |
648 | return ExprError(Diag(OpLoc, diag::err_need_header_before_typeid)); |
649 | |
650 | if (!CXXTypeInfoDecl) { |
651 | IdentifierInfo *TypeInfoII = &PP.getIdentifierTable().get("type_info"); |
652 | LookupResult R(*this, TypeInfoII, SourceLocation(), LookupTagName); |
653 | LookupQualifiedName(R, getStdNamespace()); |
654 | CXXTypeInfoDecl = R.getAsSingle<RecordDecl>(); |
655 | |
656 | |
657 | if (!CXXTypeInfoDecl && LangOpts.MSVCCompat) { |
658 | LookupQualifiedName(R, Context.getTranslationUnitDecl()); |
659 | CXXTypeInfoDecl = R.getAsSingle<RecordDecl>(); |
660 | } |
661 | if (!CXXTypeInfoDecl) |
662 | return ExprError(Diag(OpLoc, diag::err_need_header_before_typeid)); |
663 | } |
664 | |
665 | if (!getLangOpts().RTTI) { |
666 | return ExprError(Diag(OpLoc, diag::err_no_typeid_with_fno_rtti)); |
667 | } |
668 | |
669 | QualType TypeInfoType = Context.getTypeDeclType(CXXTypeInfoDecl); |
670 | |
671 | if (isType) { |
672 | |
673 | TypeSourceInfo *TInfo = nullptr; |
674 | QualType T = GetTypeFromParser(ParsedType::getFromOpaquePtr(TyOrExpr), |
675 | &TInfo); |
676 | if (T.isNull()) |
677 | return ExprError(); |
678 | |
679 | if (!TInfo) |
680 | TInfo = Context.getTrivialTypeSourceInfo(T, OpLoc); |
681 | |
682 | return BuildCXXTypeId(TypeInfoType, OpLoc, TInfo, RParenLoc); |
683 | } |
684 | |
685 | |
686 | ExprResult Result = |
687 | BuildCXXTypeId(TypeInfoType, OpLoc, (Expr *)TyOrExpr, RParenLoc); |
688 | |
689 | if (!getLangOpts().RTTIData && !Result.isInvalid()) |
690 | if (auto *CTE = dyn_cast<CXXTypeidExpr>(Result.get())) |
691 | if (CTE->isPotentiallyEvaluated() && !CTE->isMostDerived(Context)) |
692 | Diag(OpLoc, diag::warn_no_typeid_with_rtti_disabled) |
693 | << (getDiagnostics().getDiagnosticOptions().getFormat() == |
694 | DiagnosticOptions::MSVC); |
695 | return Result; |
696 | } |
697 | |
698 | |
699 | |
700 | static void |
701 | getUuidAttrOfType(Sema &SemaRef, QualType QT, |
702 | llvm::SmallSetVector<const UuidAttr *, 1> &UuidAttrs) { |
703 | |
704 | const Type *Ty = QT.getTypePtr(); |
705 | if (QT->isPointerType() || QT->isReferenceType()) |
706 | Ty = QT->getPointeeType().getTypePtr(); |
707 | else if (QT->isArrayType()) |
708 | Ty = Ty->getBaseElementTypeUnsafe(); |
709 | |
710 | const auto *TD = Ty->getAsTagDecl(); |
711 | if (!TD) |
712 | return; |
713 | |
714 | if (const auto *Uuid = TD->getMostRecentDecl()->getAttr<UuidAttr>()) { |
715 | UuidAttrs.insert(Uuid); |
716 | return; |
717 | } |
718 | |
719 | |
720 | if (const auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(TD)) { |
721 | const TemplateArgumentList &TAL = CTSD->getTemplateArgs(); |
722 | for (const TemplateArgument &TA : TAL.asArray()) { |
723 | const UuidAttr *UuidForTA = nullptr; |
724 | if (TA.getKind() == TemplateArgument::Type) |
725 | getUuidAttrOfType(SemaRef, TA.getAsType(), UuidAttrs); |
726 | else if (TA.getKind() == TemplateArgument::Declaration) |
727 | getUuidAttrOfType(SemaRef, TA.getAsDecl()->getType(), UuidAttrs); |
728 | |
729 | if (UuidForTA) |
730 | UuidAttrs.insert(UuidForTA); |
731 | } |
732 | } |
733 | } |
734 | |
735 | |
736 | ExprResult Sema::BuildCXXUuidof(QualType Type, |
737 | SourceLocation TypeidLoc, |
738 | TypeSourceInfo *Operand, |
739 | SourceLocation RParenLoc) { |
740 | MSGuidDecl *Guid = nullptr; |
741 | if (!Operand->getType()->isDependentType()) { |
742 | llvm::SmallSetVector<const UuidAttr *, 1> UuidAttrs; |
743 | getUuidAttrOfType(*this, Operand->getType(), UuidAttrs); |
744 | if (UuidAttrs.empty()) |
745 | return ExprError(Diag(TypeidLoc, diag::err_uuidof_without_guid)); |
746 | if (UuidAttrs.size() > 1) |
747 | return ExprError(Diag(TypeidLoc, diag::err_uuidof_with_multiple_guids)); |
748 | Guid = UuidAttrs.back()->getGuidDecl(); |
749 | } |
750 | |
751 | return new (Context) |
752 | CXXUuidofExpr(Type, Operand, Guid, SourceRange(TypeidLoc, RParenLoc)); |
753 | } |
754 | |
755 | |
756 | ExprResult Sema::BuildCXXUuidof(QualType Type, SourceLocation TypeidLoc, |
757 | Expr *E, SourceLocation RParenLoc) { |
758 | MSGuidDecl *Guid = nullptr; |
759 | if (!E->getType()->isDependentType()) { |
760 | if (E->isNullPointerConstant(Context, Expr::NPC_ValueDependentIsNull)) { |
761 | |
762 | Guid = Context.getMSGuidDecl(MSGuidDecl::Parts{}); |
763 | } else { |
764 | llvm::SmallSetVector<const UuidAttr *, 1> UuidAttrs; |
765 | getUuidAttrOfType(*this, E->getType(), UuidAttrs); |
766 | if (UuidAttrs.empty()) |
767 | return ExprError(Diag(TypeidLoc, diag::err_uuidof_without_guid)); |
768 | if (UuidAttrs.size() > 1) |
769 | return ExprError(Diag(TypeidLoc, diag::err_uuidof_with_multiple_guids)); |
770 | Guid = UuidAttrs.back()->getGuidDecl(); |
771 | } |
772 | } |
773 | |
774 | return new (Context) |
775 | CXXUuidofExpr(Type, E, Guid, SourceRange(TypeidLoc, RParenLoc)); |
776 | } |
777 | |
778 | |
779 | ExprResult |
780 | Sema::ActOnCXXUuidof(SourceLocation OpLoc, SourceLocation LParenLoc, |
781 | bool isType, void *TyOrExpr, SourceLocation RParenLoc) { |
782 | QualType GuidType = Context.getMSGuidType(); |
783 | GuidType.addConst(); |
784 | |
785 | if (isType) { |
786 | |
787 | TypeSourceInfo *TInfo = nullptr; |
788 | QualType T = GetTypeFromParser(ParsedType::getFromOpaquePtr(TyOrExpr), |
789 | &TInfo); |
790 | if (T.isNull()) |
791 | return ExprError(); |
792 | |
793 | if (!TInfo) |
794 | TInfo = Context.getTrivialTypeSourceInfo(T, OpLoc); |
795 | |
796 | return BuildCXXUuidof(GuidType, OpLoc, TInfo, RParenLoc); |
797 | } |
798 | |
799 | |
800 | return BuildCXXUuidof(GuidType, OpLoc, (Expr*)TyOrExpr, RParenLoc); |
801 | } |
802 | |
803 | |
804 | ExprResult |
805 | Sema::ActOnCXXBoolLiteral(SourceLocation OpLoc, tok::TokenKind Kind) { |
806 | assert((Kind == tok::kw_true || Kind == tok::kw_false) && |
807 | "Unknown C++ Boolean value!"); |
808 | return new (Context) |
809 | CXXBoolLiteralExpr(Kind == tok::kw_true, Context.BoolTy, OpLoc); |
810 | } |
811 | |
812 | |
813 | ExprResult |
814 | Sema::ActOnCXXNullPtrLiteral(SourceLocation Loc) { |
815 | return new (Context) CXXNullPtrLiteralExpr(Context.NullPtrTy, Loc); |
816 | } |
817 | |
818 | |
819 | ExprResult |
820 | Sema::ActOnCXXThrow(Scope *S, SourceLocation OpLoc, Expr *Ex) { |
821 | bool IsThrownVarInScope = false; |
822 | if (Ex) { |
823 | |
824 | |
825 | |
826 | |
827 | |
828 | |
829 | |
830 | |
831 | |
832 | |
833 | |
834 | if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Ex->IgnoreParens())) |
835 | if (VarDecl *Var = dyn_cast<VarDecl>(DRE->getDecl())) { |
836 | if (Var->hasLocalStorage() && !Var->getType().isVolatileQualified()) { |
837 | for( ; S; S = S->getParent()) { |
838 | if (S->isDeclScope(Var)) { |
839 | IsThrownVarInScope = true; |
840 | break; |
841 | } |
842 | |
843 | if (S->getFlags() & |
844 | (Scope::FnScope | Scope::ClassScope | Scope::BlockScope | |
845 | Scope::FunctionPrototypeScope | Scope::ObjCMethodScope | |
846 | Scope::TryScope)) |
847 | break; |
848 | } |
849 | } |
850 | } |
851 | } |
852 | |
853 | return BuildCXXThrow(OpLoc, Ex, IsThrownVarInScope); |
854 | } |
855 | |
856 | ExprResult Sema::BuildCXXThrow(SourceLocation OpLoc, Expr *Ex, |
857 | bool IsThrownVarInScope) { |
858 | |
859 | if (!getLangOpts().CXXExceptions && |
860 | !getSourceManager().isInSystemHeader(OpLoc) && !getLangOpts().CUDA) { |
861 | |
862 | targetDiag(OpLoc, diag::err_exceptions_disabled) << "throw"; |
863 | } |
864 | |
865 | |
866 | if (getLangOpts().CUDA) |
867 | CUDADiagIfDeviceCode(OpLoc, diag::err_cuda_device_exceptions) |
868 | << "throw" << CurrentCUDATarget(); |
869 | |
870 | if (getCurScope() && getCurScope()->isOpenMPSimdDirectiveScope()) |
871 | Diag(OpLoc, diag::err_omp_simd_region_cannot_use_stmt) << "throw"; |
872 | |
873 | if (Ex && !Ex->isTypeDependent()) { |
874 | |
875 | |
876 | |
877 | |
878 | |
879 | |
880 | |
881 | |
882 | |
883 | |
884 | |
885 | |
886 | |
887 | |
888 | |
889 | NamedReturnInfo NRInfo = |
890 | IsThrownVarInScope ? getNamedReturnInfo(Ex) : NamedReturnInfo(); |
891 | |
892 | QualType ExceptionObjectTy = Context.getExceptionObjectType(Ex->getType()); |
893 | if (CheckCXXThrowOperand(OpLoc, ExceptionObjectTy, Ex)) |
894 | return ExprError(); |
895 | |
896 | InitializedEntity Entity = |
897 | InitializedEntity::InitializeException(OpLoc, ExceptionObjectTy); |
898 | ExprResult Res = PerformMoveOrCopyInitialization(Entity, NRInfo, Ex); |
899 | if (Res.isInvalid()) |
900 | return ExprError(); |
901 | Ex = Res.get(); |
902 | } |
903 | |
904 | |
905 | if (Ex && Context.getTargetInfo().getTriple().isPPC64()) |
906 | CheckPPCMMAType(Ex->getType(), Ex->getBeginLoc()); |
907 | |
908 | return new (Context) |
909 | CXXThrowExpr(Ex, Context.VoidTy, OpLoc, IsThrownVarInScope); |
910 | } |
911 | |
912 | static void |
913 | collectPublicBases(CXXRecordDecl *RD, |
914 | llvm::DenseMap<CXXRecordDecl *, unsigned> &SubobjectsSeen, |
915 | llvm::SmallPtrSetImpl<CXXRecordDecl *> &VBases, |
916 | llvm::SetVector<CXXRecordDecl *> &PublicSubobjectsSeen, |
917 | bool ParentIsPublic) { |
918 | for (const CXXBaseSpecifier &BS : RD->bases()) { |
919 | CXXRecordDecl *BaseDecl = BS.getType()->getAsCXXRecordDecl(); |
920 | bool NewSubobject; |
921 | |
922 | |
923 | if (BS.isVirtual()) |
924 | NewSubobject = VBases.insert(BaseDecl).second; |
925 | else |
926 | NewSubobject = true; |
927 | |
928 | if (NewSubobject) |
929 | ++SubobjectsSeen[BaseDecl]; |
930 | |
931 | |
932 | bool PublicPath = ParentIsPublic && BS.getAccessSpecifier() == AS_public; |
933 | if (PublicPath) |
934 | PublicSubobjectsSeen.insert(BaseDecl); |
935 | |
936 | |
937 | collectPublicBases(BaseDecl, SubobjectsSeen, VBases, PublicSubobjectsSeen, |
938 | PublicPath); |
939 | } |
940 | } |
941 | |
942 | static void getUnambiguousPublicSubobjects( |
943 | CXXRecordDecl *RD, llvm::SmallVectorImpl<CXXRecordDecl *> &Objects) { |
944 | llvm::DenseMap<CXXRecordDecl *, unsigned> SubobjectsSeen; |
945 | llvm::SmallSet<CXXRecordDecl *, 2> VBases; |
946 | llvm::SetVector<CXXRecordDecl *> PublicSubobjectsSeen; |
947 | SubobjectsSeen[RD] = 1; |
948 | PublicSubobjectsSeen.insert(RD); |
949 | collectPublicBases(RD, SubobjectsSeen, VBases, PublicSubobjectsSeen, |
950 | true); |
951 | |
952 | for (CXXRecordDecl *PublicSubobject : PublicSubobjectsSeen) { |
953 | |
954 | if (SubobjectsSeen[PublicSubobject] > 1) |
955 | continue; |
956 | |
957 | Objects.push_back(PublicSubobject); |
958 | } |
959 | } |
960 | |
961 | |
962 | bool Sema::CheckCXXThrowOperand(SourceLocation ThrowLoc, |
963 | QualType ExceptionObjectTy, Expr *E) { |
964 | |
965 | |
966 | QualType Ty = ExceptionObjectTy; |
967 | bool isPointer = false; |
968 | if (const PointerType* Ptr = Ty->getAs<PointerType>()) { |
969 | Ty = Ptr->getPointeeType(); |
970 | isPointer = true; |
971 | } |
972 | if (!isPointer || !Ty->isVoidType()) { |
973 | if (RequireCompleteType(ThrowLoc, Ty, |
974 | isPointer ? diag::err_throw_incomplete_ptr |
975 | : diag::err_throw_incomplete, |
976 | E->getSourceRange())) |
977 | return true; |
978 | |
979 | if (!isPointer && Ty->isSizelessType()) { |
980 | Diag(ThrowLoc, diag::err_throw_sizeless) << Ty << E->getSourceRange(); |
981 | return true; |
982 | } |
983 | |
984 | if (RequireNonAbstractType(ThrowLoc, ExceptionObjectTy, |
985 | diag::err_throw_abstract_type, E)) |
986 | return true; |
987 | } |
988 | |
989 | |
990 | CXXRecordDecl *RD = Ty->getAsCXXRecordDecl(); |
991 | if (!RD) |
992 | return false; |
993 | |
994 | |
995 | |
996 | MarkVTableUsed(ThrowLoc, RD); |
997 | |
998 | |
999 | if (isPointer) |
1000 | return false; |
1001 | |
1002 | |
1003 | if (!RD->hasIrrelevantDestructor()) { |
1004 | if (CXXDestructorDecl *Destructor = LookupDestructor(RD)) { |
1005 | MarkFunctionReferenced(E->getExprLoc(), Destructor); |
1006 | CheckDestructorAccess(E->getExprLoc(), Destructor, |
1007 | PDiag(diag::err_access_dtor_exception) << Ty); |
1008 | if (DiagnoseUseOfDecl(Destructor, E->getExprLoc())) |
1009 | return true; |
1010 | } |
1011 | } |
1012 | |
1013 | |
1014 | |
1015 | |
1016 | if (Context.getTargetInfo().getCXXABI().isMicrosoft()) { |
1017 | |
1018 | |
1019 | |
1020 | llvm::SmallVector<CXXRecordDecl *, 2> UnambiguousPublicSubobjects; |
1021 | getUnambiguousPublicSubobjects(RD, UnambiguousPublicSubobjects); |
1022 | |
1023 | for (CXXRecordDecl *Subobject : UnambiguousPublicSubobjects) { |
1024 | |
1025 | |
1026 | |
1027 | |
1028 | CXXConstructorDecl *CD = LookupCopyingConstructor(Subobject, 0); |
1029 | if (!CD || CD->isDeleted()) |
1030 | continue; |
1031 | |
1032 | |
1033 | MarkFunctionReferenced(E->getExprLoc(), CD); |
1034 | |
1035 | |
1036 | |
1037 | if (CD->isTrivial()) |
1038 | continue; |
1039 | |
1040 | |
1041 | |
1042 | |
1043 | |
1044 | |
1045 | |
1046 | Context.addCopyConstructorForExceptionObject(Subobject, CD); |
1047 | |
1048 | |
1049 | |
1050 | for (unsigned I = 1, E = CD->getNumParams(); I != E; ++I) { |
1051 | if (CheckCXXDefaultArgExpr(ThrowLoc, CD, CD->getParamDecl(I))) |
1052 | return true; |
1053 | } |
1054 | } |
1055 | } |
1056 | |
1057 | |
1058 | |
1059 | |
1060 | |
1061 | if (Context.getTargetInfo().getCXXABI().isItaniumFamily()) { |
1062 | CharUnits TypeAlign = Context.getTypeAlignInChars(Ty); |
1063 | CharUnits ExnObjAlign = Context.getExnObjectAlignment(); |
1064 | if (ExnObjAlign < TypeAlign) { |
1065 | Diag(ThrowLoc, diag::warn_throw_underaligned_obj); |
1066 | Diag(ThrowLoc, diag::note_throw_underaligned_obj) |
1067 | << Ty << (unsigned)TypeAlign.getQuantity() |
1068 | << (unsigned)ExnObjAlign.getQuantity(); |
1069 | } |
1070 | } |
1071 | |
1072 | return false; |
1073 | } |
1074 | |
1075 | static QualType adjustCVQualifiersForCXXThisWithinLambda( |
1076 | ArrayRef<FunctionScopeInfo *> FunctionScopes, QualType ThisTy, |
1077 | DeclContext *CurSemaContext, ASTContext &ASTCtx) { |
1078 | |
1079 | QualType ClassType = ThisTy->getPointeeType(); |
1080 | LambdaScopeInfo *CurLSI = nullptr; |
1081 | DeclContext *CurDC = CurSemaContext; |
1082 | |
1083 | |
1084 | |
1085 | |
1086 | |
1087 | |
1088 | |
1089 | |
1090 | |
1091 | |
1092 | |
1093 | |
1094 | |
1095 | |
1096 | |
1097 | |
1098 | |
1099 | |
1100 | |
1101 | |
1102 | |
1103 | |
1104 | |
1105 | |
1106 | |
1107 | |
1108 | |
1109 | |
1110 | |
1111 | |
1112 | |
1113 | |
1114 | |
1115 | |
1116 | |
1117 | |
1118 | |
1119 | for (int I = FunctionScopes.size(); |
1120 | I-- && isa<LambdaScopeInfo>(FunctionScopes[I]) && |
1121 | (!CurLSI || !CurLSI->Lambda || CurLSI->Lambda->getDeclContext() == |
1122 | cast<LambdaScopeInfo>(FunctionScopes[I])->CallOperator); |
1123 | CurDC = getLambdaAwareParentOfDeclContext(CurDC)) { |
1124 | CurLSI = cast<LambdaScopeInfo>(FunctionScopes[I]); |
1125 | |
1126 | if (!CurLSI->isCXXThisCaptured()) |
1127 | continue; |
1128 | |
1129 | auto C = CurLSI->getCXXThisCapture(); |
1130 | |
1131 | if (C.isCopyCapture()) { |
1132 | ClassType.removeLocalCVRQualifiers(Qualifiers::CVRMask); |
1133 | if (CurLSI->CallOperator->isConst()) |
1134 | ClassType.addConst(); |
1135 | return ASTCtx.getPointerType(ClassType); |
1136 | } |
1137 | } |
1138 | |
1139 | |
1140 | |
1141 | if (isLambdaCallOperator(CurDC)) { |
1142 | assert(CurLSI && "While computing 'this' capture-type for a generic " |
1143 | "lambda, we must have a corresponding LambdaScopeInfo"); |
1144 | assert(isGenericLambdaCallOperatorSpecialization(CurLSI->CallOperator) && |
1145 | "While computing 'this' capture-type for a generic lambda, when we " |
1146 | "run out of enclosing LSI's, yet the enclosing DC is a " |
1147 | "lambda-call-operator we must be (i.e. Current LSI) in a generic " |
1148 | "lambda call oeprator"); |
1149 | assert(CurDC == getLambdaAwareParentOfDeclContext(CurLSI->CallOperator)); |
1150 | |
1151 | auto IsThisCaptured = |
1152 | [](CXXRecordDecl *Closure, bool &IsByCopy, bool &IsConst) { |
1153 | IsConst = false; |
1154 | IsByCopy = false; |
1155 | for (auto &&C : Closure->captures()) { |
1156 | if (C.capturesThis()) { |
1157 | if (C.getCaptureKind() == LCK_StarThis) |
1158 | IsByCopy = true; |
1159 | if (Closure->getLambdaCallOperator()->isConst()) |
1160 | IsConst = true; |
1161 | return true; |
1162 | } |
1163 | } |
1164 | return false; |
1165 | }; |
1166 | |
1167 | bool IsByCopyCapture = false; |
1168 | bool IsConstCapture = false; |
1169 | CXXRecordDecl *Closure = cast<CXXRecordDecl>(CurDC->getParent()); |
1170 | while (Closure && |
1171 | IsThisCaptured(Closure, IsByCopyCapture, IsConstCapture)) { |
1172 | if (IsByCopyCapture) { |
1173 | ClassType.removeLocalCVRQualifiers(Qualifiers::CVRMask); |
1174 | if (IsConstCapture) |
1175 | ClassType.addConst(); |
1176 | return ASTCtx.getPointerType(ClassType); |
1177 | } |
1178 | Closure = isLambdaCallOperator(Closure->getParent()) |
1179 | ? cast<CXXRecordDecl>(Closure->getParent()->getParent()) |
1180 | : nullptr; |
1181 | } |
1182 | } |
1183 | return ASTCtx.getPointerType(ClassType); |
1184 | } |
1185 | |
1186 | QualType Sema::getCurrentThisType() { |
1187 | DeclContext *DC = getFunctionLevelDeclContext(); |
1188 | QualType ThisTy = CXXThisTypeOverride; |
1189 | |
1190 | if (CXXMethodDecl *method = dyn_cast<CXXMethodDecl>(DC)) { |
1191 | if (method && method->isInstance()) |
1192 | ThisTy = method->getThisType(); |
1193 | } |
1194 | |
1195 | if (ThisTy.isNull() && isLambdaCallOperator(CurContext) && |
1196 | inTemplateInstantiation() && isa<CXXRecordDecl>(DC)) { |
1197 | |
1198 | |
1199 | |
1200 | |
1201 | QualType ClassTy = Context.getTypeDeclType(cast<CXXRecordDecl>(DC)); |
1202 | |
1203 | |
1204 | ThisTy = Context.getPointerType(ClassTy); |
1205 | } |
1206 | |
1207 | |
1208 | |
1209 | |
1210 | if (!ThisTy.isNull() && isLambdaCallOperator(CurContext)) |
1211 | return adjustCVQualifiersForCXXThisWithinLambda(FunctionScopes, ThisTy, |
1212 | CurContext, Context); |
1213 | return ThisTy; |
1214 | } |
1215 | |
1216 | Sema::CXXThisScopeRAII::CXXThisScopeRAII(Sema &S, |
1217 | Decl *ContextDecl, |
1218 | Qualifiers CXXThisTypeQuals, |
1219 | bool Enabled) |
1220 | : S(S), OldCXXThisTypeOverride(S.CXXThisTypeOverride), Enabled(false) |
1221 | { |
1222 | if (!Enabled || !ContextDecl) |
1223 | return; |
1224 | |
1225 | CXXRecordDecl *Record = nullptr; |
1226 | if (ClassTemplateDecl *Template = dyn_cast<ClassTemplateDecl>(ContextDecl)) |
1227 | Record = Template->getTemplatedDecl(); |
1228 | else |
1229 | Record = cast<CXXRecordDecl>(ContextDecl); |
1230 | |
1231 | QualType T = S.Context.getRecordType(Record); |
1232 | T = S.getASTContext().getQualifiedType(T, CXXThisTypeQuals); |
1233 | |
1234 | S.CXXThisTypeOverride = S.Context.getPointerType(T); |
1235 | |
1236 | this->Enabled = true; |
1237 | } |
1238 | |
1239 | |
1240 | Sema::CXXThisScopeRAII::~CXXThisScopeRAII() { |
1241 | if (Enabled) { |
1242 | S.CXXThisTypeOverride = OldCXXThisTypeOverride; |
1243 | } |
1244 | } |
1245 | |
1246 | static void buildLambdaThisCaptureFixit(Sema &Sema, LambdaScopeInfo *LSI) { |
1247 | SourceLocation DiagLoc = LSI->IntroducerRange.getEnd(); |
| 30 | | Called C++ object pointer is null |
|
1248 | assert(!LSI->isCXXThisCaptured()); |
1249 | |
1250 | if (LSI->ImpCaptureStyle == CapturingScopeInfo::ImpCap_LambdaByval && |
1251 | !Sema.getLangOpts().CPlusPlus20) |
1252 | return; |
1253 | Sema.Diag(DiagLoc, diag::note_lambda_this_capture_fixit) |
1254 | << FixItHint::CreateInsertion( |
1255 | DiagLoc, LSI->NumExplicitCaptures > 0 ? ", this" : "this"); |
1256 | } |
1257 | |
1258 | bool Sema::CheckCXXThisCapture(SourceLocation Loc, const bool Explicit, |
1259 | bool BuildAndDiagnose, const unsigned *const FunctionScopeIndexToStopAt, |
1260 | const bool ByCopy) { |
1261 | |
1262 | if (isUnevaluatedContext() && !Explicit) |
| 5 | | Calling 'Sema::isUnevaluatedContext' | |
|
| 13 | | Returning from 'Sema::isUnevaluatedContext' | |
|
1263 | return true; |
1264 | |
1265 | assert((!ByCopy || Explicit) && "cannot implicitly capture *this by value"); |
1266 | |
1267 | const int MaxFunctionScopesIndex = FunctionScopeIndexToStopAt |
| |
1268 | ? *FunctionScopeIndexToStopAt |
1269 | : FunctionScopes.size() - 1; |
1270 | |
1271 | |
1272 | |
1273 | |
1274 | |
1275 | |
1276 | |
1277 | |
1278 | |
1279 | |
1280 | |
1281 | |
1282 | |
1283 | |
1284 | |
1285 | |
1286 | |
1287 | |
1288 | |
1289 | |
1290 | |
1291 | |
1292 | |
1293 | |
1294 | unsigned NumCapturingClosures = 0; |
1295 | for (int idx = MaxFunctionScopesIndex; idx >= 0; idx--) { |
| 15 | | Loop condition is true. Entering loop body | |
|
1296 | if (CapturingScopeInfo *CSI = |
| |
1297 | dyn_cast<CapturingScopeInfo>(FunctionScopes[idx])) { |
| 16 | | Assuming the object is a 'CapturingScopeInfo' | |
|
1298 | if (CSI->CXXThisCaptureIndex != 0) { |
| 18 | | Assuming field 'CXXThisCaptureIndex' is equal to 0 | |
|
| |
1299 | |
1300 | CSI->Captures[CSI->CXXThisCaptureIndex - 1].markUsed(BuildAndDiagnose); |
1301 | break; |
1302 | } |
1303 | LambdaScopeInfo *LSI = dyn_cast<LambdaScopeInfo>(CSI); |
| 20 | | Assuming 'CSI' is not a 'LambdaScopeInfo' | |
|
| 21 | | 'LSI' initialized to a null pointer value | |
|
1304 | if (LSI && isGenericLambdaCallOperatorSpecialization(LSI->CallOperator)) { |
1305 | |
1306 | if (BuildAndDiagnose) { |
1307 | Diag(Loc, diag::err_this_capture) |
1308 | << (Explicit && idx == MaxFunctionScopesIndex); |
1309 | if (!Explicit) |
1310 | buildLambdaThisCaptureFixit(*this, LSI); |
1311 | } |
1312 | return true; |
1313 | } |
1314 | if (CSI->ImpCaptureStyle == CapturingScopeInfo::ImpCap_LambdaByref || |
| 22 | | Assuming field 'ImpCaptureStyle' is not equal to ImpCap_LambdaByref | |
|
1315 | CSI->ImpCaptureStyle == CapturingScopeInfo::ImpCap_LambdaByval || |
| 23 | | Assuming field 'ImpCaptureStyle' is not equal to ImpCap_LambdaByval | |
|
1316 | CSI->ImpCaptureStyle == CapturingScopeInfo::ImpCap_Block || |
| 24 | | Assuming field 'ImpCaptureStyle' is not equal to ImpCap_Block | |
|
1317 | CSI->ImpCaptureStyle == CapturingScopeInfo::ImpCap_CapturedRegion || |
| 25 | | Assuming field 'ImpCaptureStyle' is not equal to ImpCap_CapturedRegion | |
|
1318 | (Explicit && idx == MaxFunctionScopesIndex)) { |
1319 | |
1320 | |
1321 | |
1322 | |
1323 | |
1324 | NumCapturingClosures++; |
1325 | continue; |
1326 | } |
1327 | |
1328 | if (BuildAndDiagnose) |
| |
1329 | Diag(Loc, diag::err_this_capture) |
1330 | << (Explicit && idx == MaxFunctionScopesIndex); |
1331 | |
1332 | if (!Explicit) |
| |
1333 | buildLambdaThisCaptureFixit(*this, LSI); |
| 28 | | Passing null pointer value via 2nd parameter 'LSI' | |
|
| 29 | | Calling 'buildLambdaThisCaptureFixit' | |
|
1334 | return true; |
1335 | } |
1336 | break; |
1337 | } |
1338 | if (!BuildAndDiagnose) return false; |
1339 | |
1340 | |
1341 | |
1342 | |
1343 | |
1344 | |
1345 | |
1346 | |
1347 | |
1348 | |
1349 | assert((!ByCopy || |
1350 | dyn_cast<LambdaScopeInfo>(FunctionScopes[MaxFunctionScopesIndex])) && |
1351 | "Only a lambda can capture the enclosing object (referred to by " |
1352 | "*this) by copy"); |
1353 | QualType ThisTy = getCurrentThisType(); |
1354 | for (int idx = MaxFunctionScopesIndex; NumCapturingClosures; |
1355 | --idx, --NumCapturingClosures) { |
1356 | CapturingScopeInfo *CSI = cast<CapturingScopeInfo>(FunctionScopes[idx]); |
1357 | |
1358 | |
1359 | |
1360 | QualType CaptureType = ThisTy; |
1361 | if (ByCopy) { |
1362 | |
1363 | |
1364 | |
1365 | |
1366 | CaptureType = ThisTy->getPointeeType(); |
1367 | CaptureType.removeLocalCVRQualifiers(Qualifiers::CVRMask); |
1368 | } |
1369 | |
1370 | bool isNested = NumCapturingClosures > 1; |
1371 | CSI->addThisCapture(isNested, Loc, CaptureType, ByCopy); |
1372 | } |
1373 | return false; |
1374 | } |
1375 | |
1376 | ExprResult Sema::ActOnCXXThis(SourceLocation Loc) { |
1377 | |
1378 | |
1379 | |
1380 | |
1381 | QualType ThisTy = getCurrentThisType(); |
1382 | if (ThisTy.isNull()) |
| |
1383 | return Diag(Loc, diag::err_invalid_this_use); |
1384 | return BuildCXXThisExpr(Loc, ThisTy, false); |
| 2 | | Calling 'Sema::BuildCXXThisExpr' | |
|
1385 | } |
1386 | |
1387 | Expr *Sema::BuildCXXThisExpr(SourceLocation Loc, QualType Type, |
1388 | bool IsImplicit) { |
1389 | auto *This = new (Context) CXXThisExpr(Loc, Type, IsImplicit); |
1390 | MarkThisReferenced(This); |
| 3 | | Calling 'Sema::MarkThisReferenced' | |
|
1391 | return This; |
1392 | } |
1393 | |
1394 | void Sema::MarkThisReferenced(CXXThisExpr *This) { |
1395 | CheckCXXThisCapture(This->getExprLoc()); |
| 4 | | Calling 'Sema::CheckCXXThisCapture' | |
|
1396 | } |
1397 | |
1398 | bool Sema::isThisOutsideMemberFunctionBody(QualType BaseType) { |
1399 | |
1400 | |
1401 | if (CXXThisTypeOverride.isNull()) |
1402 | return false; |
1403 | |
1404 | |
1405 | |
1406 | CXXRecordDecl *Class = BaseType->getAsCXXRecordDecl(); |
1407 | return Class && Class->isBeingDefined(); |
1408 | } |
1409 | |
1410 | |
1411 | |
1412 | |
1413 | |
1414 | ExprResult |
1415 | Sema::ActOnCXXTypeConstructExpr(ParsedType TypeRep, |
1416 | SourceLocation LParenOrBraceLoc, |
1417 | MultiExprArg exprs, |
1418 | SourceLocation RParenOrBraceLoc, |
1419 | bool ListInitialization) { |
1420 | if (!TypeRep) |
1421 | return ExprError(); |
1422 | |
1423 | TypeSourceInfo *TInfo; |
1424 | QualType Ty = GetTypeFromParser(TypeRep, &TInfo); |
1425 | if (!TInfo) |
1426 | TInfo = Context.getTrivialTypeSourceInfo(Ty, SourceLocation()); |
1427 | |
1428 | auto Result = BuildCXXTypeConstructExpr(TInfo, LParenOrBraceLoc, exprs, |
1429 | RParenOrBraceLoc, ListInitialization); |
1430 | |
1431 | |
1432 | |
1433 | if (!Result.isInvalid() && Result.get()->isInstantiationDependent() && |
1434 | !Result.get()->isTypeDependent()) |
1435 | Result = CorrectDelayedTyposInExpr(Result.get()); |
1436 | else if (Result.isInvalid()) |
1437 | Result = CreateRecoveryExpr(TInfo->getTypeLoc().getBeginLoc(), |
1438 | RParenOrBraceLoc, exprs, Ty); |
1439 | return Result; |
1440 | } |
1441 | |
1442 | ExprResult |
1443 | Sema::BuildCXXTypeConstructExpr(TypeSourceInfo *TInfo, |
1444 | SourceLocation LParenOrBraceLoc, |
1445 | MultiExprArg Exprs, |
1446 | SourceLocation RParenOrBraceLoc, |
1447 | bool ListInitialization) { |
1448 | QualType Ty = TInfo->getType(); |
1449 | SourceLocation TyBeginLoc = TInfo->getTypeLoc().getBeginLoc(); |
1450 | |
1451 | assert((!ListInitialization || |
1452 | (Exprs.size() == 1 && isa<InitListExpr>(Exprs[0]))) && |
1453 | "List initialization must have initializer list as expression."); |
1454 | SourceRange FullRange = SourceRange(TyBeginLoc, RParenOrBraceLoc); |
1455 | |
1456 | InitializedEntity Entity = InitializedEntity::InitializeTemporary(TInfo); |
1457 | InitializationKind Kind = |
1458 | Exprs.size() |
1459 | ? ListInitialization |
1460 | ? InitializationKind::CreateDirectList( |
1461 | TyBeginLoc, LParenOrBraceLoc, RParenOrBraceLoc) |
1462 | : InitializationKind::CreateDirect(TyBeginLoc, LParenOrBraceLoc, |
1463 | RParenOrBraceLoc) |
1464 | : InitializationKind::CreateValue(TyBeginLoc, LParenOrBraceLoc, |
1465 | RParenOrBraceLoc); |
1466 | |
1467 | |
1468 | |
1469 | |
1470 | DeducedType *Deduced = Ty->getContainedDeducedType(); |
1471 | if (Deduced && isa<DeducedTemplateSpecializationType>(Deduced)) { |
1472 | Ty = DeduceTemplateSpecializationFromInitializer(TInfo, Entity, |
1473 | Kind, Exprs); |
1474 | if (Ty.isNull()) |
1475 | return ExprError(); |
1476 | Entity = InitializedEntity::InitializeTemporary(TInfo, Ty); |
1477 | } |
1478 | |
1479 | if (Ty->isDependentType() || CallExpr::hasAnyTypeDependentArguments(Exprs)) { |
1480 | |
1481 | |
1482 | SourceRange Locs = ListInitialization |
1483 | ? SourceRange() |
1484 | : SourceRange(LParenOrBraceLoc, RParenOrBraceLoc); |
1485 | return CXXUnresolvedConstructExpr::Create(Context, Ty.getNonReferenceType(), |
1486 | TInfo, Locs.getBegin(), Exprs, |
1487 | Locs.getEnd()); |
1488 | } |
1489 | |
1490 | |
1491 | |
1492 | |
1493 | |
1494 | if (Exprs.size() == 1 && !ListInitialization && |
1495 | !isa<InitListExpr>(Exprs[0])) { |
1496 | Expr *Arg = Exprs[0]; |
1497 | return BuildCXXFunctionalCastExpr(TInfo, Ty, LParenOrBraceLoc, Arg, |
1498 | RParenOrBraceLoc); |
1499 | } |
1500 | |
1501 | |
1502 | QualType ElemTy = Ty; |
1503 | if (Ty->isArrayType()) { |
1504 | if (!ListInitialization) |
1505 | return ExprError(Diag(TyBeginLoc, diag::err_value_init_for_array_type) |
1506 | << FullRange); |
1507 | ElemTy = Context.getBaseElementType(Ty); |
1508 | } |
1509 | |
1510 | |
1511 | |
1512 | if (Ty->isFunctionType()) |
1513 | return ExprError(Diag(TyBeginLoc, diag::err_init_for_function_type) |
1514 | << Ty << FullRange); |
1515 | |
1516 | |
1517 | |
1518 | |
1519 | if (!Ty->isVoidType() && |
1520 | RequireCompleteType(TyBeginLoc, ElemTy, |
1521 | diag::err_invalid_incomplete_type_use, FullRange)) |
1522 | return ExprError(); |
1523 | |
1524 | |
1525 | |
1526 | InitializationSequence InitSeq(*this, Entity, Kind, Exprs); |
1527 | ExprResult Result = InitSeq.Perform(*this, Entity, Kind, Exprs); |
1528 | |
1529 | if (Result.isInvalid()) |
1530 | return Result; |
1531 | |
1532 | Expr *Inner = Result.get(); |
1533 | if (CXXBindTemporaryExpr *BTE = dyn_cast_or_null<CXXBindTemporaryExpr>(Inner)) |
1534 | Inner = BTE->getSubExpr(); |
1535 | if (!isa<CXXTemporaryObjectExpr>(Inner) && |
1536 | !isa<CXXScalarValueInitExpr>(Inner)) { |
1537 | |
1538 | |
1539 | |
1540 | |
1541 | |
1542 | |
1543 | |
1544 | |
1545 | QualType ResultType = Result.get()->getType(); |
1546 | SourceRange Locs = ListInitialization |
1547 | ? SourceRange() |
1548 | : SourceRange(LParenOrBraceLoc, RParenOrBraceLoc); |
1549 | Result = CXXFunctionalCastExpr::Create( |
1550 | Context, ResultType, Expr::getValueKindForType(Ty), TInfo, CK_NoOp, |
1551 | Result.get(), nullptr, CurFPFeatureOverrides(), |
1552 | Locs.getBegin(), Locs.getEnd()); |
1553 | } |
1554 | |
1555 | return Result; |
1556 | } |
1557 | |
1558 | bool Sema::isUsualDeallocationFunction(const CXXMethodDecl *Method) { |
1559 | |
1560 | const FunctionDecl *Caller = dyn_cast<FunctionDecl>(CurContext); |
1561 | if (getLangOpts().CUDA) { |
1562 | auto CallPreference = IdentifyCUDAPreference(Caller, Method); |
1563 | |
1564 | if (CallPreference < CFP_WrongSide) |
1565 | return false; |
1566 | if (CallPreference == CFP_WrongSide) { |
1567 | |
1568 | DeclContext::lookup_result R = |
1569 | Method->getDeclContext()->lookup(Method->getDeclName()); |
1570 | for (const auto *D : R) { |
1571 | if (const auto *FD = dyn_cast<FunctionDecl>(D)) { |
1572 | if (IdentifyCUDAPreference(Caller, FD) > CFP_WrongSide) |
1573 | return false; |
1574 | } |
1575 | } |
1576 | |
1577 | } |
1578 | } |
1579 | |
1580 | SmallVector<const FunctionDecl*, 4> PreventedBy; |
1581 | bool Result = Method->isUsualDeallocationFunction(PreventedBy); |
1582 | |
1583 | if (Result || !getLangOpts().CUDA || PreventedBy.empty()) |
1584 | return Result; |
1585 | |
1586 | |
1587 | |
1588 | return llvm::none_of(PreventedBy, [&](const FunctionDecl *FD) { |
1589 | assert(FD->getNumParams() == 1 && |
1590 | "Only single-operand functions should be in PreventedBy"); |
1591 | return IdentifyCUDAPreference(Caller, FD) >= CFP_HostDevice; |
1592 | }); |
1593 | } |
1594 | |
1595 | |
1596 | |
1597 | static bool isNonPlacementDeallocationFunction(Sema &S, FunctionDecl *FD) { |
1598 | if (CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(FD)) |
1599 | return S.isUsualDeallocationFunction(Method); |
1600 | |
1601 | if (FD->getOverloadedOperator() != OO_Delete && |
1602 | FD->getOverloadedOperator() != OO_Array_Delete) |
1603 | return false; |
1604 | |
1605 | unsigned UsualParams = 1; |
1606 | |
1607 | if (S.getLangOpts().SizedDeallocation && UsualParams < FD->getNumParams() && |
1608 | S.Context.hasSameUnqualifiedType( |
1609 | FD->getParamDecl(UsualParams)->getType(), |
1610 | S.Context.getSizeType())) |
1611 | ++UsualParams; |
1612 | |
1613 | if (S.getLangOpts().AlignedAllocation && UsualParams < FD->getNumParams() && |
1614 | S.Context.hasSameUnqualifiedType( |
1615 | FD->getParamDecl(UsualParams)->getType(), |
1616 | S.Context.getTypeDeclType(S.getStdAlignValT()))) |
1617 | ++UsualParams; |
1618 | |
1619 | return UsualParams == FD->getNumParams(); |
1620 | } |
1621 | |
1622 | namespace { |
1623 | struct UsualDeallocFnInfo { |
1624 | UsualDeallocFnInfo() : Found(), FD(nullptr) {} |
1625 | UsualDeallocFnInfo(Sema &S, DeclAccessPair Found) |
1626 | : Found(Found), FD(dyn_cast<FunctionDecl>(Found->getUnderlyingDecl())), |
1627 | Destroying(false), HasSizeT(false), HasAlignValT(false), |
1628 | CUDAPref(Sema::CFP_Native) { |
1629 | |
1630 | if (!FD) |
1631 | return; |
1632 | unsigned NumBaseParams = 1; |
1633 | if (FD->isDestroyingOperatorDelete()) { |
1634 | Destroying = true; |
1635 | ++NumBaseParams; |
1636 | } |
1637 | |
1638 | if (NumBaseParams < FD->getNumParams() && |
1639 | S.Context.hasSameUnqualifiedType( |
1640 | FD->getParamDecl(NumBaseParams)->getType(), |
1641 | S.Context.getSizeType())) { |
1642 | ++NumBaseParams; |
1643 | HasSizeT = true; |
1644 | } |
1645 | |
1646 | if (NumBaseParams < FD->getNumParams() && |
1647 | FD->getParamDecl(NumBaseParams)->getType()->isAlignValT()) { |
1648 | ++NumBaseParams; |
1649 | HasAlignValT = true; |
1650 | } |
1651 | |
1652 | |
1653 | if (S.getLangOpts().CUDA) |
1654 | if (auto *Caller = dyn_cast<FunctionDecl>(S.CurContext)) |
1655 | CUDAPref = S.IdentifyCUDAPreference(Caller, FD); |
1656 | } |
1657 | |
1658 | explicit operator bool() const { return FD; } |
1659 | |
1660 | bool isBetterThan(const UsualDeallocFnInfo &Other, bool WantSize, |
1661 | bool WantAlign) const { |
1662 | |
1663 | |
1664 | |
1665 | if (Destroying != Other.Destroying) |
1666 | return Destroying; |
1667 | |
1668 | |
1669 | |
1670 | |
1671 | |
1672 | if (HasAlignValT != Other.HasAlignValT) |
1673 | return HasAlignValT == WantAlign; |
1674 | |
1675 | if (HasSizeT != Other.HasSizeT) |
1676 | return HasSizeT == WantSize; |
1677 | |
1678 | |
1679 | return CUDAPref > Other.CUDAPref; |
1680 | } |
1681 | |
1682 | DeclAccessPair Found; |
1683 | FunctionDecl *FD; |
1684 | bool Destroying, HasSizeT, HasAlignValT; |
1685 | Sema::CUDAFunctionPreference CUDAPref; |
1686 | }; |
1687 | } |
1688 | |
1689 | |
1690 | |
1691 | |
1692 | |
1693 | static bool hasNewExtendedAlignment(Sema &S, QualType AllocType) { |
1694 | return S.getLangOpts().AlignedAllocation && |
1695 | S.getASTContext().getTypeAlignIfKnown(AllocType) > |
1696 | S.getASTContext().getTargetInfo().getNewAlign(); |
1697 | } |
1698 | |
1699 | |
1700 | |
1701 | static UsualDeallocFnInfo resolveDeallocationOverload( |
1702 | Sema &S, LookupResult &R, bool WantSize, bool WantAlign, |
1703 | llvm::SmallVectorImpl<UsualDeallocFnInfo> *BestFns = nullptr) { |
1704 | UsualDeallocFnInfo Best; |
1705 | |
1706 | for (auto I = R.begin(), E = R.end(); I != E; ++I) { |
1707 | UsualDeallocFnInfo Info(S, I.getPair()); |
1708 | if (!Info || !isNonPlacementDeallocationFunction(S, Info.FD) || |
1709 | Info.CUDAPref == Sema::CFP_Never) |
1710 | continue; |
1711 | |
1712 | if (!Best) { |
1713 | Best = Info; |
1714 | if (BestFns) |
1715 | BestFns->push_back(Info); |
1716 | continue; |
1717 | } |
1718 | |
1719 | if (Best.isBetterThan(Info, WantSize, WantAlign)) |
1720 | continue; |
1721 | |
1722 | |
1723 | |
1724 | if (BestFns && Info.isBetterThan(Best, WantSize, WantAlign)) |
1725 | BestFns->clear(); |
1726 | |
1727 | Best = Info; |
1728 | if (BestFns) |
1729 | BestFns->push_back(Info); |
1730 | } |
1731 | |
1732 | return Best; |
1733 | } |
1734 | |
1735 | |
1736 | |
1737 | |
1738 | |
1739 | static bool doesUsualArrayDeleteWantSize(Sema &S, SourceLocation loc, |
1740 | QualType allocType) { |
1741 | const RecordType *record = |
1742 | allocType->getBaseElementTypeUnsafe()->getAs<RecordType>(); |
1743 | if (!record) return false; |
1744 | |
1745 | |
1746 | |
1747 | DeclarationName deleteName = |
1748 | S.Context.DeclarationNames.getCXXOperatorName(OO_Array_Delete); |
1749 | LookupResult ops(S, deleteName, loc, Sema::LookupOrdinaryName); |
1750 | S.LookupQualifiedName(ops, record->getDecl()); |
1751 | |
1752 | |
1753 | ops.suppressDiagnostics(); |
1754 | |
1755 | |
1756 | if (ops.empty()) return false; |
1757 | |
1758 | |
1759 | |
1760 | if (ops.isAmbiguous()) return false; |
1761 | |
1762 | |
1763 | |
1764 | |
1765 | auto Best = resolveDeallocationOverload( |
1766 | S, ops, false, |
1767 | hasNewExtendedAlignment(S, allocType)); |
1768 | return Best && Best.HasSizeT; |
1769 | } |
1770 | |
1771 | |
1772 | |
1773 | |
1774 | |
1775 | |
1776 | |
1777 | |
1778 | |
1779 | |
1780 | |
1781 | |
1782 | |
1783 | |
1784 | |
1785 | |
1786 | |
1787 | ExprResult |
1788 | Sema::ActOnCXXNew(SourceLocation StartLoc, bool UseGlobal, |
1789 | SourceLocation PlacementLParen, MultiExprArg PlacementArgs, |
1790 | SourceLocation PlacementRParen, SourceRange TypeIdParens, |
1791 | Declarator &D, Expr *Initializer) { |
1792 | Optional<Expr *> ArraySize; |
1793 | |
1794 | if (D.getNumTypeObjects() > 0 && |
1795 | D.getTypeObject(0).Kind == DeclaratorChunk::Array) { |
1796 | DeclaratorChunk &Chunk = D.getTypeObject(0); |
1797 | if (D.getDeclSpec().hasAutoTypeSpec()) |
1798 | return ExprError(Diag(Chunk.Loc, diag::err_new_array_of_auto) |
1799 | << D.getSourceRange()); |
1800 | if (Chunk.Arr.hasStatic) |
1801 | return ExprError(Diag(Chunk.Loc, diag::err_static_illegal_in_new) |
1802 | << D.getSourceRange()); |
1803 | if (!Chunk.Arr.NumElts && !Initializer) |
1804 | return ExprError(Diag(Chunk.Loc, diag::err_array_new_needs_size) |
1805 | << D.getSourceRange()); |
1806 | |
1807 | ArraySize = static_cast<Expr*>(Chunk.Arr.NumElts); |
1808 | D.DropFirstTypeObject(); |
1809 | } |
1810 | |
1811 | |
1812 | if (ArraySize) { |
1813 | for (unsigned I = 0, N = D.getNumTypeObjects(); I < N; ++I) { |
1814 | if (D.getTypeObject(I).Kind != DeclaratorChunk::Array) |
1815 | break; |
1816 | |
1817 | DeclaratorChunk::ArrayTypeInfo &Array = D.getTypeObject(I).Arr; |
1818 | if (Expr *NumElts = (Expr *)Array.NumElts) { |
1819 | if (!NumElts->isTypeDependent() && !NumElts->isValueDependent()) { |
1820 | |
1821 | |
1822 | if (getLangOpts().CPlusPlus14) { |
1823 | |
1824 | |
1825 | |
1826 | llvm::APSInt Value(Context.getIntWidth(Context.getSizeType())); |
1827 | Array.NumElts |
1828 | = CheckConvertedConstantExpression(NumElts, Context.getSizeType(), Value, |
1829 | CCEK_ArrayBound) |
1830 | .get(); |
1831 | } else { |
1832 | Array.NumElts = |
1833 | VerifyIntegerConstantExpression( |
1834 | NumElts, nullptr, diag::err_new_array_nonconst, AllowFold) |
1835 | .get(); |
1836 | } |
1837 | if (!Array.NumElts) |
1838 | return ExprError(); |
1839 | } |
1840 | } |
1841 | } |
1842 | } |
1843 | |
1844 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, nullptr); |
1845 | QualType AllocType = TInfo->getType(); |
1846 | if (D.isInvalidType()) |
1847 | return ExprError(); |
1848 | |
1849 | SourceRange DirectInitRange; |
1850 | if (ParenListExpr *List = dyn_cast_or_null<ParenListExpr>(Initializer)) |
1851 | DirectInitRange = List->getSourceRange(); |
1852 | |
1853 | return BuildCXXNew(SourceRange(StartLoc, D.getEndLoc()), UseGlobal, |
1854 | PlacementLParen, PlacementArgs, PlacementRParen, |
1855 | TypeIdParens, AllocType, TInfo, ArraySize, DirectInitRange, |
1856 | Initializer); |
1857 | } |
1858 | |
1859 | static bool isLegalArrayNewInitializer(CXXNewExpr::InitializationStyle Style, |
1860 | Expr *Init) { |
1861 | if (!Init) |
1862 | return true; |
1863 | if (ParenListExpr *PLE = dyn_cast<ParenListExpr>(Init)) |
1864 | return PLE->getNumExprs() == 0; |
1865 | if (isa<ImplicitValueInitExpr>(Init)) |
1866 | return true; |
1867 | else if (CXXConstructExpr *CCE = dyn_cast<CXXConstructExpr>(Init)) |
1868 | return !CCE->isListInitialization() && |
1869 | CCE->getConstructor()->isDefaultConstructor(); |
1870 | else if (Style == CXXNewExpr::ListInit) { |
1871 | assert(isa<InitListExpr>(Init) && |
1872 | "Shouldn't create list CXXConstructExprs for arrays."); |
1873 | return true; |
1874 | } |
1875 | return false; |
1876 | } |
1877 | |
1878 | bool |
1879 | Sema::isUnavailableAlignedAllocationFunction(const FunctionDecl &FD) const { |
1880 | if (!getLangOpts().AlignedAllocationUnavailable) |
1881 | return false; |
1882 | if (FD.isDefined()) |
1883 | return false; |
1884 | Optional<unsigned> AlignmentParam; |
1885 | if (FD.isReplaceableGlobalAllocationFunction(&AlignmentParam) && |
1886 | AlignmentParam.hasValue()) |
1887 | return true; |
1888 | return false; |
1889 | } |
1890 | |
1891 | |
1892 | |
1893 | void Sema::diagnoseUnavailableAlignedAllocation(const FunctionDecl &FD, |
1894 | SourceLocation Loc) { |
1895 | if (isUnavailableAlignedAllocationFunction(FD)) { |
1896 | const llvm::Triple &T = getASTContext().getTargetInfo().getTriple(); |
1897 | StringRef OSName = AvailabilityAttr::getPlatformNameSourceSpelling( |
1898 | getASTContext().getTargetInfo().getPlatformName()); |
1899 | VersionTuple OSVersion = alignedAllocMinVersion(T.getOS()); |
1900 | |
1901 | OverloadedOperatorKind Kind = FD.getDeclName().getCXXOverloadedOperator(); |
1902 | bool IsDelete = Kind == OO_Delete || Kind == OO_Array_Delete; |
1903 | Diag(Loc, diag::err_aligned_allocation_unavailable) |
1904 | << IsDelete << FD.getType().getAsString() << OSName |
1905 | << OSVersion.getAsString() << OSVersion.empty(); |
1906 | Diag(Loc, diag::note_silence_aligned_allocation_unavailable); |
1907 | } |
1908 | } |
1909 | |
1910 | ExprResult |
1911 | Sema::BuildCXXNew(SourceRange Range, bool UseGlobal, |
1912 | SourceLocation PlacementLParen, |
1913 | MultiExprArg PlacementArgs, |
1914 | SourceLocation PlacementRParen, |
1915 | SourceRange TypeIdParens, |
1916 | QualType AllocType, |
1917 | TypeSourceInfo *AllocTypeInfo, |
1918 | Optional<Expr *> ArraySize, |
1919 | SourceRange DirectInitRange, |
1920 | Expr *Initializer) { |
1921 | SourceRange TypeRange = AllocTypeInfo->getTypeLoc().getSourceRange(); |
1922 | SourceLocation StartLoc = Range.getBegin(); |
1923 | |
1924 | CXXNewExpr::InitializationStyle initStyle; |
1925 | if (DirectInitRange.isValid()) { |
1926 | assert(Initializer && "Have parens but no initializer."); |
1927 | initStyle = CXXNewExpr::CallInit; |
1928 | } else if (Initializer && isa<InitListExpr>(Initializer)) |
1929 | initStyle = CXXNewExpr::ListInit; |
1930 | else { |
1931 | assert((!Initializer || isa<ImplicitValueInitExpr>(Initializer) || |
1932 | isa<CXXConstructExpr>(Initializer)) && |
1933 | "Initializer expression that cannot have been implicitly created."); |
1934 | initStyle = CXXNewExpr::NoInit; |
1935 | } |
1936 | |
1937 | Expr **Inits = &Initializer; |
1938 | unsigned NumInits = Initializer ? 1 : 0; |
1939 | if (ParenListExpr *List = dyn_cast_or_null<ParenListExpr>(Initializer)) { |
1940 | assert(initStyle == CXXNewExpr::CallInit && "paren init for non-call init"); |
1941 | Inits = List->getExprs(); |
1942 | NumInits = List->getNumExprs(); |
1943 | } |
1944 | |
1945 | |
1946 | |
1947 | |
1948 | InitializationKind Kind |
1949 | |
1950 | |
1951 | |
1952 | = initStyle == CXXNewExpr::NoInit |
1953 | ? InitializationKind::CreateDefault(TypeRange.getBegin()) |
1954 | |
1955 | |
1956 | |
1957 | : initStyle == CXXNewExpr::ListInit |
1958 | ? InitializationKind::CreateDirectList( |
1959 | TypeRange.getBegin(), Initializer->getBeginLoc(), |
1960 | Initializer->getEndLoc()) |
1961 | : InitializationKind::CreateDirect(TypeRange.getBegin(), |
1962 | DirectInitRange.getBegin(), |
1963 | DirectInitRange.getEnd()); |
1964 | |
1965 | |
1966 | auto *Deduced = AllocType->getContainedDeducedType(); |
1967 | if (Deduced && isa<DeducedTemplateSpecializationType>(Deduced)) { |
1968 | if (ArraySize) |
1969 | return ExprError( |
1970 | Diag(ArraySize ? (*ArraySize)->getExprLoc() : TypeRange.getBegin(), |
1971 | diag::err_deduced_class_template_compound_type) |
1972 | << 2 |
1973 | << (ArraySize ? (*ArraySize)->getSourceRange() : TypeRange)); |
1974 | |
1975 | InitializedEntity Entity |
1976 | = InitializedEntity::InitializeNew(StartLoc, AllocType); |
1977 | AllocType = DeduceTemplateSpecializationFromInitializer( |
1978 | AllocTypeInfo, Entity, Kind, MultiExprArg(Inits, NumInits)); |
1979 | if (AllocType.isNull()) |
1980 | return ExprError(); |
1981 | } else if (Deduced) { |
1982 | bool Braced = (initStyle == CXXNewExpr::ListInit); |
1983 | if (NumInits == 1) { |
1984 | if (auto p = dyn_cast_or_null<InitListExpr>(Inits[0])) { |
1985 | Inits = p->getInits(); |
1986 | NumInits = p->getNumInits(); |
1987 | Braced = true; |
1988 | } |
1989 | } |
1990 | |
1991 | if (initStyle == CXXNewExpr::NoInit || NumInits == 0) |
1992 | return ExprError(Diag(StartLoc, diag::err_auto_new_requires_ctor_arg) |
1993 | << AllocType << TypeRange); |
1994 | if (NumInits > 1) { |
1995 | Expr *FirstBad = Inits[1]; |
1996 | return ExprError(Diag(FirstBad->getBeginLoc(), |
1997 | diag::err_auto_new_ctor_multiple_expressions) |
1998 | << AllocType << TypeRange); |
1999 | } |
2000 | if (Braced && !getLangOpts().CPlusPlus17) |
2001 | Diag(Initializer->getBeginLoc(), diag::ext_auto_new_list_init) |
2002 | << AllocType << TypeRange; |
2003 | Expr *Deduce = Inits[0]; |
2004 | QualType DeducedType; |
2005 | if (DeduceAutoType(AllocTypeInfo, Deduce, DeducedType) == DAR_Failed) |
2006 | return ExprError(Diag(StartLoc, diag::err_auto_new_deduction_failure) |
2007 | << AllocType << Deduce->getType() |
2008 | << TypeRange << Deduce->getSourceRange()); |
2009 | if (DeducedType.isNull()) |
2010 | return ExprError(); |
2011 | AllocType = DeducedType; |
2012 | } |
2013 | |
2014 | |
2015 | |
2016 | if (!ArraySize) { |
2017 | if (const ConstantArrayType *Array |
2018 | = Context.getAsConstantArrayType(AllocType)) { |
2019 | ArraySize = IntegerLiteral::Create(Context, Array->getSize(), |
2020 | Context.getSizeType(), |
2021 | TypeRange.getEnd()); |
2022 | AllocType = Array->getElementType(); |
2023 | } |
2024 | } |
2025 | |
2026 | if (CheckAllocatedType(AllocType, TypeRange.getBegin(), TypeRange)) |
2027 | return ExprError(); |
2028 | |
2029 | |
2030 | if (getLangOpts().ObjCAutoRefCount && |
2031 | AllocType.getObjCLifetime() == Qualifiers::OCL_None && |
2032 | AllocType->isObjCLifetimeType()) { |
2033 | AllocType = Context.getLifetimeQualifiedType(AllocType, |
2034 | AllocType->getObjCARCImplicitLifetime()); |
2035 | } |
2036 | |
2037 | QualType ResultType = Context.getPointerType(AllocType); |
2038 | |
2039 | if (ArraySize && *ArraySize && |
2040 | (*ArraySize)->getType()->isNonOverloadPlaceholderType()) { |
2041 | ExprResult result = CheckPlaceholderExpr(*ArraySize); |
2042 | if (result.isInvalid()) return ExprError(); |
2043 | ArraySize = result.get(); |
2044 | } |
2045 | |
2046 | |
2047 | |
2048 | |
2049 | |
2050 | |
2051 | |
2052 | llvm::Optional<uint64_t> KnownArraySize; |
2053 | if (ArraySize && *ArraySize && !(*ArraySize)->isTypeDependent()) { |
2054 | ExprResult ConvertedSize; |
2055 | if (getLangOpts().CPlusPlus14) { |
2056 | assert(Context.getTargetInfo().getIntWidth() && "Builtin type of size 0?"); |
2057 | |
2058 | ConvertedSize = PerformImplicitConversion(*ArraySize, Context.getSizeType(), |
2059 | AA_Converting); |
2060 | |
2061 | if (!ConvertedSize.isInvalid() && |
2062 | (*ArraySize)->getType()->getAs<RecordType>()) |
2063 | |
2064 | Diag(StartLoc, diag::warn_cxx98_compat_array_size_conversion) |
2065 | << (*ArraySize)->getType() << 0 << "'size_t'"; |
2066 | } else { |
2067 | class SizeConvertDiagnoser : public ICEConvertDiagnoser { |
2068 | protected: |
2069 | Expr *ArraySize; |
2070 | |
2071 | public: |
2072 | SizeConvertDiagnoser(Expr *ArraySize) |
2073 | : ICEConvertDiagnoser(false, false, false), |
2074 | ArraySize(ArraySize) {} |
2075 | |
2076 | SemaDiagnosticBuilder diagnoseNotInt(Sema &S, SourceLocation Loc, |
2077 | QualType T) override { |
2078 | return S.Diag(Loc, diag::err_array_size_not_integral) |
2079 | << S.getLangOpts().CPlusPlus11 << T; |
2080 | } |
2081 | |
2082 | SemaDiagnosticBuilder diagnoseIncomplete( |
2083 | Sema &S, SourceLocation Loc, QualType T) override { |
2084 | return S.Diag(Loc, diag::err_array_size_incomplete_type) |
2085 | << T << ArraySize->getSourceRange(); |
2086 | } |
2087 | |
2088 | SemaDiagnosticBuilder diagnoseExplicitConv( |
2089 | Sema &S, SourceLocation Loc, QualType T, QualType ConvTy) override { |
2090 | return S.Diag(Loc, diag::err_array_size_explicit_conversion) << T << ConvTy; |
2091 | } |
2092 | |
2093 | SemaDiagnosticBuilder noteExplicitConv( |
2094 | Sema &S, CXXConversionDecl *Conv, QualType ConvTy) override { |
2095 | return S.Diag(Conv->getLocation(), diag::note_array_size_conversion) |
2096 | << ConvTy->isEnumeralType() << ConvTy; |
2097 | } |
2098 | |
2099 | SemaDiagnosticBuilder diagnoseAmbiguous( |
2100 | Sema &S, SourceLocation Loc, QualType T) override { |
2101 | return S.Diag(Loc, diag::err_array_size_ambiguous_conversion) << T; |
2102 | } |
2103 | |
2104 | SemaDiagnosticBuilder noteAmbiguous( |
2105 | Sema &S, CXXConversionDecl *Conv, QualType ConvTy) override { |
2106 | return S.Diag(Conv->getLocation(), diag::note_array_size_conversion) |
2107 | << ConvTy->isEnumeralType() << ConvTy; |
2108 | } |
2109 | |
2110 | SemaDiagnosticBuilder diagnoseConversion(Sema &S, SourceLocation Loc, |
2111 | QualType T, |
2112 | QualType ConvTy) override { |
2113 | return S.Diag(Loc, |
2114 | S.getLangOpts().CPlusPlus11 |
2115 | ? diag::warn_cxx98_compat_array_size_conversion |
2116 | : diag::ext_array_size_conversion) |
2117 | << T << ConvTy->isEnumeralType() << ConvTy; |
2118 | } |
2119 | } SizeDiagnoser(*ArraySize); |
2120 | |
2121 | ConvertedSize = PerformContextualImplicitConversion(StartLoc, *ArraySize, |
2122 | SizeDiagnoser); |
2123 | } |
2124 | if (ConvertedSize.isInvalid()) |
2125 | return ExprError(); |
2126 | |
2127 | ArraySize = ConvertedSize.get(); |
2128 | QualType SizeType = (*ArraySize)->getType(); |
2129 | |
2130 | if (!SizeType->isIntegralOrUnscopedEnumerationType()) |
2131 | return ExprError(); |
2132 | |
2133 | |
2134 | |
2135 | |
2136 | |
2137 | |
2138 | |
2139 | |
2140 | if (!(*ArraySize)->isValueDependent()) { |
2141 | |
2142 | |
2143 | |
2144 | |
2145 | |
2146 | if (Optional<llvm::APSInt> Value = |
2147 | (*ArraySize)->getIntegerConstantExpr(Context)) { |
2148 | if (Value->isSigned() && Value->isNegative()) { |
2149 | return ExprError(Diag((*ArraySize)->getBeginLoc(), |
2150 | diag::err_typecheck_negative_array_size) |
2151 | << (*ArraySize)->getSourceRange()); |
2152 | } |
2153 | |
2154 | if (!AllocType->isDependentType()) { |
2155 | unsigned ActiveSizeBits = ConstantArrayType::getNumAddressingBits( |
2156 | Context, AllocType, *Value); |
2157 | if (ActiveSizeBits > ConstantArrayType::getMaxSizeBits(Context)) |
2158 | return ExprError( |
2159 | Diag((*ArraySize)->getBeginLoc(), diag::err_array_too_large) |
2160 | << toString(*Value, 10) << (*ArraySize)->getSourceRange()); |
2161 | } |
2162 | |
2163 | KnownArraySize = Value->getZExtValue(); |
2164 | } else if (TypeIdParens.isValid()) { |
2165 | |
2166 | Diag((*ArraySize)->getBeginLoc(), diag::ext_new_paren_array_nonconst) |
2167 | << (*ArraySize)->getSourceRange() |
2168 | << FixItHint::CreateRemoval(TypeIdParens.getBegin()) |
2169 | << FixItHint::CreateRemoval(TypeIdParens.getEnd()); |
2170 | |
2171 | TypeIdParens = SourceRange(); |
2172 | } |
2173 | } |
2174 | |
2175 | |
2176 | |
2177 | } |
2178 | |
2179 | FunctionDecl *OperatorNew = nullptr; |
2180 | FunctionDecl *OperatorDelete = nullptr; |
2181 | unsigned Alignment = |
2182 | AllocType->isDependentType() ? 0 : Context.getTypeAlign(AllocType); |
2183 | unsigned NewAlignment = Context.getTargetInfo().getNewAlign(); |
2184 | bool PassAlignment = getLangOpts().AlignedAllocation && |
2185 | Alignment > NewAlignment; |
2186 | |
2187 | AllocationFunctionScope Scope = UseGlobal ? AFS_Global : AFS_Both; |
2188 | if (!AllocType->isDependentType() && |
2189 | !Expr::hasAnyTypeDependentArguments(PlacementArgs) && |
2190 | FindAllocationFunctions( |
2191 | StartLoc, SourceRange(PlacementLParen, PlacementRParen), Scope, Scope, |
2192 | AllocType, ArraySize.hasValue(), PassAlignment, PlacementArgs, |
2193 | OperatorNew, OperatorDelete)) |
2194 | return ExprError(); |
2195 | |
2196 | |
2197 | |
2198 | bool UsualArrayDeleteWantsSize = false; |
2199 | if (ArraySize && !AllocType->isDependentType()) |
2200 | UsualArrayDeleteWantsSize = |
2201 | doesUsualArrayDeleteWantSize(*this, StartLoc, AllocType); |
2202 | |
2203 | SmallVector<Expr *, 8> AllPlaceArgs; |
2204 | if (OperatorNew) { |
2205 | auto *Proto = OperatorNew->getType()->castAs<FunctionProtoType>(); |
2206 | VariadicCallType CallType = Proto->isVariadic() ? VariadicFunction |
2207 | : VariadicDoesNotApply; |
2208 | |
2209 | |
2210 | |
2211 | |
2212 | |
2213 | unsigned NumImplicitArgs = PassAlignment ? 2 : 1; |
2214 | if (GatherArgumentsForCall(PlacementLParen, OperatorNew, Proto, |
2215 | NumImplicitArgs, PlacementArgs, AllPlaceArgs, |
2216 | CallType)) |
2217 | return ExprError(); |
2218 | |
2219 | if (!AllPlaceArgs.empty()) |
2220 | PlacementArgs = AllPlaceArgs; |
2221 | |
2222 | |
2223 | |
2224 | |
2225 | |
2226 | |
2227 | QualType SizeTy = Context.getSizeType(); |
2228 | unsigned SizeTyWidth = Context.getTypeSize(SizeTy); |
2229 | |
2230 | llvm::APInt SingleEltSize( |
2231 | SizeTyWidth, Context.getTypeSizeInChars(AllocType).getQuantity()); |
2232 | |
2233 | |
2234 | llvm::Optional<llvm::APInt> AllocationSize; |
2235 | if (!ArraySize.hasValue() && !AllocType->isDependentType()) { |
2236 | |
2237 | AllocationSize = SingleEltSize; |
2238 | } else if (KnownArraySize.hasValue() && !AllocType->isDependentType()) { |
2239 | |
2240 | bool Overflow; |
2241 | AllocationSize = llvm::APInt(SizeTyWidth, *KnownArraySize) |
2242 | .umul_ov(SingleEltSize, Overflow); |
2243 | (void)Overflow; |
2244 | assert( |
2245 | !Overflow && |
2246 | "Expected that all the overflows would have been handled already."); |
2247 | } |
2248 | |
2249 | IntegerLiteral AllocationSizeLiteral( |
2250 | Context, |
2251 | AllocationSize.getValueOr(llvm::APInt::getNullValue(SizeTyWidth)), |
2252 | SizeTy, SourceLocation()); |
2253 | |
2254 | |
2255 | OpaqueValueExpr OpaqueAllocationSize(SourceLocation(), SizeTy, VK_PRValue, |
2256 | OK_Ordinary, nullptr); |
2257 | |
2258 | |
2259 | |
2260 | |
2261 | EnumDecl *StdAlignValT = getStdAlignValT(); |
2262 | QualType AlignValT = |
2263 | StdAlignValT ? Context.getTypeDeclType(StdAlignValT) : SizeTy; |
2264 | IntegerLiteral AlignmentLiteral( |
2265 | Context, |
2266 | llvm::APInt(Context.getTypeSize(SizeTy), |
2267 | Alignment / Context.getCharWidth()), |
2268 | SizeTy, SourceLocation()); |
2269 | ImplicitCastExpr DesiredAlignment(ImplicitCastExpr::OnStack, AlignValT, |
2270 | CK_IntegralCast, &AlignmentLiteral, |
2271 | VK_PRValue, FPOptionsOverride()); |
2272 | |
2273 | |
2274 | llvm::SmallVector<Expr *, 8> CallArgs; |
2275 | CallArgs.reserve(NumImplicitArgs + PlacementArgs.size()); |
2276 | CallArgs.emplace_back(AllocationSize.hasValue() |
2277 | ? static_cast<Expr *>(&AllocationSizeLiteral) |
2278 | : &OpaqueAllocationSize); |
2279 | if (PassAlignment) |
2280 | CallArgs.emplace_back(&DesiredAlignment); |
2281 | CallArgs.insert(CallArgs.end(), PlacementArgs.begin(), PlacementArgs.end()); |
2282 | |
2283 | DiagnoseSentinelCalls(OperatorNew, PlacementLParen, CallArgs); |
2284 | |
2285 | checkCall(OperatorNew, Proto, nullptr, CallArgs, |
2286 | false, StartLoc, Range, CallType); |
2287 | |
2288 | |
2289 | |
2290 | if (PlacementArgs.empty() && !PassAlignment && |
2291 | (OperatorNew->isImplicit() || |
2292 | (OperatorNew->getBeginLoc().isValid() && |
2293 | getSourceManager().isInSystemHeader(OperatorNew->getBeginLoc())))) { |
2294 | if (Alignment > NewAlignment) |
2295 | Diag(StartLoc, diag::warn_overaligned_type) |
2296 | << AllocType |
2297 | << unsigned(Alignment / Context.getCharWidth()) |
2298 | << unsigned(NewAlignment / Context.getCharWidth()); |
2299 | } |
2300 | } |
2301 | |
2302 | |
2303 | |
2304 | |
2305 | if (ArraySize && !isLegalArrayNewInitializer(initStyle, Initializer)) { |
2306 | SourceRange InitRange(Inits[0]->getBeginLoc(), |
2307 | Inits[NumInits - 1]->getEndLoc()); |
2308 | Diag(StartLoc, diag::err_new_array_init_args) << InitRange; |
2309 | return ExprError(); |
2310 | } |
2311 | |
2312 | |
2313 | |
2314 | if (!AllocType->isDependentType() && |
2315 | !Expr::hasAnyTypeDependentArguments( |
2316 | llvm::makeArrayRef(Inits, NumInits))) { |
2317 | |
2318 | QualType InitType; |
2319 | if (KnownArraySize) |
2320 | InitType = Context.getConstantArrayType( |
2321 | AllocType, |
2322 | llvm::APInt(Context.getTypeSize(Context.getSizeType()), |
2323 | *KnownArraySize), |
2324 | *ArraySize, ArrayType::Normal, 0); |
2325 | else if (ArraySize) |
2326 | InitType = |
2327 | Context.getIncompleteArrayType(AllocType, ArrayType::Normal, 0); |
2328 | else |
2329 | InitType = AllocType; |
2330 | |
2331 | InitializedEntity Entity |
2332 | = InitializedEntity::InitializeNew(StartLoc, InitType); |
2333 | InitializationSequence InitSeq(*this, Entity, Kind, |
2334 | MultiExprArg(Inits, NumInits)); |
2335 | ExprResult FullInit = InitSeq.Perform(*this, Entity, Kind, |
2336 | MultiExprArg(Inits, NumInits)); |
2337 | if (FullInit.isInvalid()) |
2338 | return ExprError(); |
2339 | |
2340 | |
2341 | |
2342 | |
2343 | if (CXXBindTemporaryExpr *Binder = |
2344 | dyn_cast_or_null<CXXBindTemporaryExpr>(FullInit.get())) |
2345 | FullInit = Binder->getSubExpr(); |
2346 | |
2347 | Initializer = FullInit.get(); |
2348 | |
2349 | |
2350 | |
2351 | |
2352 | if (ArraySize && !*ArraySize) { |
2353 | auto *CAT = Context.getAsConstantArrayType(Initializer->getType()); |
2354 | if (CAT) { |
2355 | |
2356 | |
2357 | ArraySize = IntegerLiteral::Create( |
2358 | Context, CAT->getSize(), Context.getSizeType(), TypeRange.getEnd()); |
2359 | } else { |
2360 | Diag(TypeRange.getEnd(), diag::err_new_array_size_unknown_from_init) |
2361 | << Initializer->getSourceRange(); |
2362 | } |
2363 | } |
2364 | } |
2365 | |
2366 | |
2367 | if (OperatorNew) { |
2368 | if (DiagnoseUseOfDecl(OperatorNew, StartLoc)) |
2369 | return ExprError(); |
2370 | MarkFunctionReferenced(StartLoc, OperatorNew); |
2371 | } |
2372 | if (OperatorDelete) { |
2373 | if (DiagnoseUseOfDecl(OperatorDelete, StartLoc)) |
2374 | return ExprError(); |
2375 | MarkFunctionReferenced(StartLoc, OperatorDelete); |
2376 | } |
2377 | |
2378 | return CXXNewExpr::Create(Context, UseGlobal, OperatorNew, OperatorDelete, |
2379 | PassAlignment, UsualArrayDeleteWantsSize, |
2380 | PlacementArgs, TypeIdParens, ArraySize, initStyle, |
2381 | Initializer, ResultType, AllocTypeInfo, Range, |
2382 | DirectInitRange); |
2383 | } |
2384 | |
2385 | |
2386 | |
2387 | bool Sema::CheckAllocatedType(QualType AllocType, SourceLocation Loc, |
2388 | SourceRange R) { |
2389 | |
2390 | |
2391 | if (AllocType->isFunctionType()) |
2392 | return Diag(Loc, diag::err_bad_new_type) |
2393 | << AllocType << 0 << R; |
2394 | else if (AllocType->isReferenceType()) |
2395 | return Diag(Loc, diag::err_bad_new_type) |
2396 | << AllocType << 1 << R; |
2397 | else if (!AllocType->isDependentType() && |
2398 | RequireCompleteSizedType( |
2399 | Loc, AllocType, diag::err_new_incomplete_or_sizeless_type, R)) |
2400 | return true; |
2401 | else if (RequireNonAbstractType(Loc, AllocType, |
2402 | diag::err_allocation_of_abstract_type)) |
2403 | return true; |
2404 | else if (AllocType->isVariablyModifiedType()) |
2405 | return Diag(Loc, diag::err_variably_modified_new_type) |
2406 | << AllocType; |
2407 | else if (AllocType.getAddressSpace() != LangAS::Default && |
2408 | !getLangOpts().OpenCLCPlusPlus) |
2409 | return Diag(Loc, diag::err_address_space_qualified_new) |
2410 | << AllocType.getUnqualifiedType() |
2411 | << AllocType.getQualifiers().getAddressSpaceAttributePrintValue(); |
2412 | else if (getLangOpts().ObjCAutoRefCount) { |
2413 | if (const ArrayType *AT = Context.getAsArrayType(AllocType)) { |
2414 | QualType BaseAllocType = Context.getBaseElementType(AT); |
2415 | if (BaseAllocType.getObjCLifetime() == Qualifiers::OCL_None && |
2416 | BaseAllocType->isObjCLifetimeType()) |
2417 | return Diag(Loc, diag::err_arc_new_array_without_ownership) |
2418 | << BaseAllocType; |
2419 | } |
2420 | } |
2421 | |
2422 | return false; |
2423 | } |
2424 | |
2425 | static bool resolveAllocationOverload( |
2426 | Sema &S, LookupResult &R, SourceRange Range, SmallVectorImpl<Expr *> &Args, |
2427 | bool &PassAlignment, FunctionDecl *&Operator, |
2428 | OverloadCandidateSet *AlignedCandidates, Expr *AlignArg, bool Diagnose) { |
2429 | OverloadCandidateSet Candidates(R.getNameLoc(), |
2430 | OverloadCandidateSet::CSK_Normal); |
2431 | for (LookupResult::iterator Alloc = R.begin(), AllocEnd = R.end(); |
2432 | Alloc != AllocEnd; ++Alloc) { |
2433 | |
2434 | |
2435 | NamedDecl *D = (*Alloc)->getUnderlyingDecl(); |
2436 | |
2437 | if (FunctionTemplateDecl *FnTemplate = dyn_cast<FunctionTemplateDecl>(D)) { |
2438 | S.AddTemplateOverloadCandidate(FnTemplate, Alloc.getPair(), |
2439 | nullptr, Args, |
2440 | Candidates, |
2441 | false); |
2442 | continue; |
2443 | } |
2444 | |
2445 | FunctionDecl *Fn = cast<FunctionDecl>(D); |
2446 | S.AddOverloadCandidate(Fn, Alloc.getPair(), Args, Candidates, |
2447 | false); |
2448 | } |
2449 | |
2450 | |
2451 | OverloadCandidateSet::iterator Best; |
2452 | switch (Candidates.BestViableFunction(S, R.getNameLoc(), Best)) { |
2453 | case OR_Success: { |
2454 | |
2455 | FunctionDecl *FnDecl = Best->Function; |
2456 | if (S.CheckAllocationAccess(R.getNameLoc(), Range, R.getNamingClass(), |
2457 | Best->FoundDecl) == Sema::AR_inaccessible) |
2458 | return true; |
2459 | |
2460 | Operator = FnDecl; |
2461 | return false; |
2462 | } |
2463 | |
2464 | case OR_No_Viable_Function: |
2465 | |
2466 | |
2467 | |
2468 | |
2469 | if (PassAlignment) { |
2470 | PassAlignment = false; |
2471 | AlignArg = Args[1]; |
2472 | Args.erase(Args.begin() + 1); |
2473 | return resolveAllocationOverload(S, R, Range, Args, PassAlignment, |
2474 | Operator, &Candidates, AlignArg, |
2475 | Diagnose); |
2476 | } |
2477 | |
2478 | |
2479 | |
2480 | |
2481 | |
2482 | |
2483 | |
2484 | if (R.getLookupName().getCXXOverloadedOperator() == OO_Array_New && |
2485 | S.Context.getLangOpts().MSVCCompat) { |
2486 | R.clear(); |
2487 | R.setLookupName(S.Context.DeclarationNames.getCXXOperatorName(OO_New)); |
2488 | S.LookupQualifiedName(R, S.Context.getTranslationUnitDecl()); |
2489 | |
2490 | return resolveAllocationOverload(S, R, Range, Args, PassAlignment, |
2491 | Operator, nullptr, |
2492 | nullptr, Diagnose); |
2493 | } |
2494 | |
2495 | if (Diagnose) { |
2496 | |
2497 | |
2498 | |
2499 | if (!R.isClassLookup() && Args.size() == 2 && |
2500 | (Args[1]->getType()->isObjectPointerType() || |
2501 | Args[1]->getType()->isArrayType())) { |
2502 | S.Diag(R.getNameLoc(), diag::err_need_header_before_placement_new) |
2503 | << R.getLookupName() << Range; |
2504 | |
2505 | return true; |
2506 | } |
2507 | |
2508 | |
2509 | |
2510 | |
2511 | |
2512 | |
2513 | |
2514 | SmallVector<OverloadCandidate*, 32> Cands; |
2515 | SmallVector<OverloadCandidate*, 32> AlignedCands; |
2516 | llvm::SmallVector<Expr*, 4> AlignedArgs; |
2517 | if (AlignedCandidates) { |
2518 | auto IsAligned = [](OverloadCandidate &C) { |
2519 | return C.Function->getNumParams() > 1 && |
2520 | C.Function->getParamDecl(1)->getType()->isAlignValT(); |
2521 | }; |
2522 | auto IsUnaligned = [&](OverloadCandidate &C) { return !IsAligned(C); }; |
2523 | |
2524 | AlignedArgs.reserve(Args.size() + 1); |
2525 | AlignedArgs.push_back(Args[0]); |
2526 | AlignedArgs.push_back(AlignArg); |
2527 | AlignedArgs.append(Args.begin() + 1, Args.end()); |
2528 | AlignedCands = AlignedCandidates->CompleteCandidates( |
2529 | S, OCD_AllCandidates, AlignedArgs, R.getNameLoc(), IsAligned); |
2530 | |
2531 | Cands = Candidates.CompleteCandidates(S, OCD_AllCandidates, Args, |
2532 | R.getNameLoc(), IsUnaligned); |
2533 | } else { |
2534 | Cands = Candidates.CompleteCandidates(S, OCD_AllCandidates, Args, |
2535 | R.getNameLoc()); |
2536 | } |
2537 | |
2538 | S.Diag(R.getNameLoc(), diag::err_ovl_no_viable_function_in_call) |
2539 | << R.getLookupName() << Range; |
2540 | if (AlignedCandidates) |
2541 | AlignedCandidates->NoteCandidates(S, AlignedArgs, AlignedCands, "", |
2542 | R.getNameLoc()); |
2543 | Candidates.NoteCandidates(S, Args, Cands, "", R.getNameLoc()); |
2544 | } |
2545 | return true; |
2546 | |
2547 | case OR_Ambiguous: |
2548 | if (Diagnose) { |
2549 | Candidates.NoteCandidates( |
2550 | PartialDiagnosticAt(R.getNameLoc(), |
2551 | S.PDiag(diag::err_ovl_ambiguous_call) |
2552 | << R.getLookupName() << Range), |
2553 | S, OCD_AmbiguousCandidates, Args); |
2554 | } |
2555 | return true; |
2556 | |
2557 | case OR_Deleted: { |
2558 | if (Diagnose) { |
2559 | Candidates.NoteCandidates( |
2560 | PartialDiagnosticAt(R.getNameLoc(), |
2561 | S.PDiag(diag::err_ovl_deleted_call) |
2562 | << R.getLookupName() << Range), |
2563 | S, OCD_AllCandidates, Args); |
2564 | } |
2565 | return true; |
2566 | } |
2567 | } |
2568 | llvm_unreachable("Unreachable, bad result from BestViableFunction"); |
2569 | } |
2570 | |
2571 | bool Sema::FindAllocationFunctions(SourceLocation StartLoc, SourceRange Range, |
2572 | AllocationFunctionScope NewScope, |
2573 | AllocationFunctionScope DeleteScope, |
2574 | QualType AllocType, bool IsArray, |
2575 | bool &PassAlignment, MultiExprArg PlaceArgs, |
2576 | FunctionDecl *&OperatorNew, |
2577 | FunctionDecl *&OperatorDelete, |
2578 | bool Diagnose) { |
2579 | |
2580 | |
2581 | |
2582 | |
2583 | |
2584 | |
2585 | |
2586 | |
2587 | |
2588 | |
2589 | SmallVector<Expr*, 8> AllocArgs; |
2590 | AllocArgs.reserve((PassAlignment ? 2 : 1) + PlaceArgs.size()); |
2591 | |
2592 | |
2593 | |
2594 | |
2595 | |
2596 | IntegerLiteral Size(Context, llvm::APInt::getNullValue( |
2597 | Context.getTargetInfo().getPointerWidth(0)), |
2598 | Context.getSizeType(), |
2599 | SourceLocation()); |
2600 | AllocArgs.push_back(&Size); |
2601 | |
2602 | QualType AlignValT = Context.VoidTy; |
2603 | if (PassAlignment) { |
2604 | DeclareGlobalNewDelete(); |
2605 | AlignValT = Context.getTypeDeclType(getStdAlignValT()); |
2606 | } |
2607 | CXXScalarValueInitExpr Align(AlignValT, nullptr, SourceLocation()); |
2608 | if (PassAlignment) |
2609 | AllocArgs.push_back(&Align); |
2610 | |
2611 | AllocArgs.insert(AllocArgs.end(), PlaceArgs.begin(), PlaceArgs.end()); |
2612 | |
2613 | |
2614 | |
2615 | |
2616 | |
2617 | |
2618 | |
2619 | DeclarationName NewName = Context.DeclarationNames.getCXXOperatorName( |
2620 | IsArray ? OO_Array_New : OO_New); |
2621 | |
2622 | QualType AllocElemType = Context.getBaseElementType(AllocType); |
2623 | |
2624 | |
2625 | { |
2626 | LookupResult R(*this, NewName, StartLoc, LookupOrdinaryName); |
2627 | |
2628 | |
2629 | |
2630 | |
2631 | |
2632 | |
2633 | if (AllocElemType->isRecordType() && NewScope != AFS_Global) |
2634 | LookupQualifiedName(R, AllocElemType->getAsCXXRecordDecl()); |
2635 | |
2636 | |
2637 | |
2638 | if (R.isAmbiguous()) |
2639 | return true; |
2640 | |
2641 | |
2642 | |
2643 | |
2644 | if (R.empty()) { |
2645 | if (NewScope == AFS_Class) |
2646 | return true; |
2647 | |
2648 | LookupQualifiedName(R, Context.getTranslationUnitDecl()); |
2649 | } |
2650 | |
2651 | if (getLangOpts().OpenCLCPlusPlus && R.empty()) { |
2652 | if (PlaceArgs.empty()) { |
2653 | Diag(StartLoc, diag::err_openclcxx_not_supported) << "default new"; |
2654 | } else { |
2655 | Diag(StartLoc, diag::err_openclcxx_placement_new); |
2656 | } |
2657 | return true; |
2658 | } |
2659 | |
2660 | assert(!R.empty() && "implicitly declared allocation functions not found"); |
2661 | assert(!R.isAmbiguous() && "global allocation functions are ambiguous"); |
2662 | |
2663 | |
2664 | R.suppressDiagnostics(); |
2665 | |
2666 | if (resolveAllocationOverload(*this, R, Range, AllocArgs, PassAlignment, |
2667 | OperatorNew, nullptr, |
2668 | nullptr, Diagnose)) |
2669 | return true; |
2670 | } |
2671 | |
2672 | |
2673 | if (!getLangOpts().Exceptions) { |
2674 | OperatorDelete = nullptr; |
2675 | return false; |
2676 | } |
2677 | |
2678 | |
2679 | |
2680 | DeclarationName DeleteName = Context.DeclarationNames.getCXXOperatorName( |
2681 | OperatorNew->getDeclName().getCXXOverloadedOperator() == OO_Array_New |
2682 | ? OO_Array_Delete |
2683 | : OO_Delete); |
2684 | |
2685 | |
2686 | |
2687 | |
2688 | |
2689 | |
2690 | |
2691 | |
2692 | |
2693 | |
2694 | LookupResult FoundDelete(*this, DeleteName, StartLoc, LookupOrdinaryName); |
2695 | if (AllocElemType->isRecordType() && DeleteScope != AFS_Global) { |
2696 | auto *RD = |
2697 | cast<CXXRecordDecl>(AllocElemType->castAs<RecordType>()->getDecl()); |
2698 | LookupQualifiedName(FoundDelete, RD); |
2699 | } |
2700 | if (FoundDelete.isAmbiguous()) |
2701 | return true; |
2702 | |
2703 | |
2704 | |
2705 | |
2706 | |
2707 | { |
2708 | LookupResult::Filter Filter = FoundDelete.makeFilter(); |
2709 | while (Filter.hasNext()) { |
2710 | auto *FD = dyn_cast<FunctionDecl>(Filter.next()->getUnderlyingDecl()); |
2711 | if (FD && FD->isDestroyingOperatorDelete()) |
2712 | Filter.erase(); |
2713 | } |
2714 | Filter.done(); |
2715 | } |
2716 | |
2717 | bool FoundGlobalDelete = FoundDelete.empty(); |
2718 | if (FoundDelete.empty()) { |
2719 | FoundDelete.clear(LookupOrdinaryName); |
2720 | |
2721 | if (DeleteScope == AFS_Class) |
2722 | return true; |
2723 | |
2724 | DeclareGlobalNewDelete(); |
2725 | LookupQualifiedName(FoundDelete, Context.getTranslationUnitDecl()); |
2726 | } |
2727 | |
2728 | FoundDelete.suppressDiagnostics(); |
2729 | |
2730 | SmallVector<std::pair<DeclAccessPair,FunctionDecl*>, 2> Matches; |
2731 | |
2732 | |
2733 | |
2734 | |
2735 | |
2736 | |
2737 | |
2738 | |
2739 | |
2740 | |
2741 | |
2742 | |
2743 | |
2744 | |
2745 | bool isPlacementNew = !PlaceArgs.empty() || OperatorNew->param_size() != 1 || |
2746 | OperatorNew->isVariadic(); |
2747 | |
2748 | if (isPlacementNew) { |
2749 | |
2750 | |
2751 | |
2752 | |
2753 | |
2754 | |
2755 | |
2756 | |
2757 | |
2758 | |
2759 | QualType ExpectedFunctionType; |
2760 | { |
2761 | auto *Proto = OperatorNew->getType()->castAs<FunctionProtoType>(); |
2762 | |
2763 | SmallVector<QualType, 4> ArgTypes; |
2764 | ArgTypes.push_back(Context.VoidPtrTy); |
2765 | for (unsigned I = 1, N = Proto->getNumParams(); I < N; ++I) |
2766 | ArgTypes.push_back(Proto->getParamType(I)); |
2767 | |
2768 | FunctionProtoType::ExtProtoInfo EPI; |
2769 | |
2770 | EPI.Variadic = Proto->isVariadic(); |
2771 | |
2772 | ExpectedFunctionType |
2773 | = Context.getFunctionType(Context.VoidTy, ArgTypes, EPI); |
2774 | } |
2775 | |
2776 | for (LookupResult::iterator D = FoundDelete.begin(), |
2777 | DEnd = FoundDelete.end(); |
2778 | D != DEnd; ++D) { |
2779 | FunctionDecl *Fn = nullptr; |
2780 | if (FunctionTemplateDecl *FnTmpl = |
2781 | dyn_cast<FunctionTemplateDecl>((*D)->getUnderlyingDecl())) { |
2782 | |
2783 | |
2784 | TemplateDeductionInfo Info(StartLoc); |
2785 | if (DeduceTemplateArguments(FnTmpl, nullptr, ExpectedFunctionType, Fn, |
2786 | Info)) |
2787 | continue; |
2788 | } else |
2789 | Fn = cast<FunctionDecl>((*D)->getUnderlyingDecl()); |
2790 | |
2791 | if (Context.hasSameType(adjustCCAndNoReturn(Fn->getType(), |
2792 | ExpectedFunctionType, |
2793 | true), |
2794 | ExpectedFunctionType)) |
2795 | Matches.push_back(std::make_pair(D.getPair(), Fn)); |
2796 | } |
2797 | |
2798 | if (getLangOpts().CUDA) |
2799 | EraseUnwantedCUDAMatches(dyn_cast<FunctionDecl>(CurContext), Matches); |
2800 | } else { |
2801 | |
2802 | |
2803 | |
2804 | |
2805 | |
2806 | |
2807 | |
2808 | llvm::SmallVector<UsualDeallocFnInfo, 4> BestDeallocFns; |
2809 | UsualDeallocFnInfo Selected = resolveDeallocationOverload( |
2810 | *this, FoundDelete, FoundGlobalDelete, |
2811 | hasNewExtendedAlignment(*this, AllocElemType), |
2812 | &BestDeallocFns); |
2813 | if (Selected) |
2814 | Matches.push_back(std::make_pair(Selected.Found, Selected.FD)); |
2815 | else { |
2816 | |
2817 | |
2818 | for (auto Fn : BestDeallocFns) |
2819 | Matches.push_back(std::make_pair(Fn.Found, Fn.FD)); |
2820 | } |
2821 | } |
2822 | |
2823 | |
2824 | |
2825 | |
2826 | |
2827 | if (Matches.size() == 1) { |
2828 | OperatorDelete = Matches[0].second; |
2829 | |
2830 | |
2831 | |
2832 | |
2833 | |
2834 | |
2835 | |
2836 | if (getLangOpts().CPlusPlus11 && isPlacementNew && |
2837 | isNonPlacementDeallocationFunction(*this, OperatorDelete)) { |
2838 | UsualDeallocFnInfo Info(*this, |
2839 | DeclAccessPair::make(OperatorDelete, AS_public)); |
2840 | |
2841 | |
2842 | |
2843 | |
2844 | bool IsSizedDelete = Info.HasSizeT; |
2845 | if (IsSizedDelete && !FoundGlobalDelete) { |
2846 | auto NonSizedDelete = |
2847 | resolveDeallocationOverload(*this, FoundDelete, false, |
2848 | Info.HasAlignValT); |
2849 | if (NonSizedDelete && !NonSizedDelete.HasSizeT && |
2850 | NonSizedDelete.HasAlignValT == Info.HasAlignValT) |
2851 | IsSizedDelete = false; |
2852 | } |
2853 | |
2854 | if (IsSizedDelete) { |
2855 | SourceRange R = PlaceArgs.empty() |
2856 | ? SourceRange() |
2857 | : SourceRange(PlaceArgs.front()->getBeginLoc(), |
2858 | PlaceArgs.back()->getEndLoc()); |
2859 | Diag(StartLoc, diag::err_placement_new_non_placement_delete) << R; |
2860 | if (!OperatorDelete->isImplicit()) |
2861 | Diag(OperatorDelete->getLocation(), diag::note_previous_decl) |
2862 | << DeleteName; |
2863 | } |
2864 | } |
2865 | |
2866 | CheckAllocationAccess(StartLoc, Range, FoundDelete.getNamingClass(), |
2867 | Matches[0].first); |
2868 | } else if (!Matches.empty()) { |
2869 | |
2870 | |
2871 | |
2872 | Diag(StartLoc, diag::warn_ambiguous_suitable_delete_function_found) |
2873 | << DeleteName << AllocElemType; |
2874 | |
2875 | for (auto &Match : Matches) |
2876 | Diag(Match.second->getLocation(), |
2877 | diag::note_member_declared_here) << DeleteName; |
2878 | } |
2879 | |
2880 | return false; |
2881 | } |
2882 | |
2883 | |
2884 | |
2885 | |
2886 | |
2887 | |
2888 | |
2889 | |
2890 | |
2891 | |
2892 | |
2893 | |
2894 | |
2895 | |
2896 | |
2897 | |
2898 | |
2899 | |
2900 | |
2901 | |
2902 | |
2903 | |
2904 | |
2905 | |
2906 | void Sema::DeclareGlobalNewDelete() { |
2907 | if (GlobalNewDeleteDeclared) |
2908 | return; |
2909 | |
2910 | |
2911 | |
2912 | if (getLangOpts().OpenCLCPlusPlus) |
2913 | return; |
2914 | |
2915 | |
2916 | |
2917 | |
2918 | |
2919 | |
2920 | |
2921 | |
2922 | |
2923 | |
2924 | |
2925 | |
2926 | |
2927 | |
2928 | |
2929 | |
2930 | |
2931 | |
2932 | |
2933 | |
2934 | |
2935 | |
2936 | |
2937 | |
2938 | |
2939 | |
2940 | |
2941 | |
2942 | |
2943 | |
2944 | |
2945 | if (!StdBadAlloc && !getLangOpts().CPlusPlus11) { |
2946 | |
2947 | |
2948 | StdBadAlloc = CXXRecordDecl::Create(Context, TTK_Class, |
2949 | getOrCreateStdNamespace(), |
2950 | SourceLocation(), SourceLocation(), |
2951 | &PP.getIdentifierTable().get("bad_alloc"), |
2952 | nullptr); |
2953 | getStdBadAlloc()->setImplicit(true); |
2954 | } |
2955 | if (!StdAlignValT && getLangOpts().AlignedAllocation) { |
2956 | |
2957 | |
2958 | auto *AlignValT = EnumDecl::Create( |
2959 | Context, getOrCreateStdNamespace(), SourceLocation(), SourceLocation(), |
2960 | &PP.getIdentifierTable().get("align_val_t"), nullptr, true, true, true); |
2961 | AlignValT->setIntegerType(Context.getSizeType()); |
2962 | AlignValT->setPromotionType(Context.getSizeType()); |
2963 | AlignValT->setImplicit(true); |
2964 | StdAlignValT = AlignValT; |
2965 | } |
2966 | |
2967 | GlobalNewDeleteDeclared = true; |
2968 | |
2969 | QualType VoidPtr = Context.getPointerType(Context.VoidTy); |
2970 | QualType SizeT = Context.getSizeType(); |
2971 | |
2972 | auto DeclareGlobalAllocationFunctions = [&](OverloadedOperatorKind Kind, |
2973 | QualType Return, QualType Param) { |
2974 | llvm::SmallVector<QualType, 3> Params; |
2975 | Params.push_back(Param); |
2976 | |
2977 | |
2978 | bool HasSizedVariant = getLangOpts().SizedDeallocation && |
2979 | (Kind == OO_Delete || Kind == OO_Array_Delete); |
2980 | bool HasAlignedVariant = getLangOpts().AlignedAllocation; |
2981 | |
2982 | int NumSizeVariants = (HasSizedVariant ? 2 : 1); |
2983 | int NumAlignVariants = (HasAlignedVariant ? 2 : 1); |
2984 | for (int Sized = 0; Sized < NumSizeVariants; ++Sized) { |
2985 | if (Sized) |
2986 | Params.push_back(SizeT); |
2987 | |
2988 | for (int Aligned = 0; Aligned < NumAlignVariants; ++Aligned) { |
2989 | if (Aligned) |
2990 | Params.push_back(Context.getTypeDeclType(getStdAlignValT())); |
2991 | |
2992 | DeclareGlobalAllocationFunction( |
2993 | Context.DeclarationNames.getCXXOperatorName(Kind), Return, Params); |
2994 | |
2995 | if (Aligned) |
2996 | Params.pop_back(); |
2997 | } |
2998 | } |
2999 | }; |
3000 | |
3001 | DeclareGlobalAllocationFunctions(OO_New, VoidPtr, SizeT); |
3002 | DeclareGlobalAllocationFunctions(OO_Array_New, VoidPtr, SizeT); |
3003 | DeclareGlobalAllocationFunctions(OO_Delete, Context.VoidTy, VoidPtr); |
3004 | DeclareGlobalAllocationFunctions(OO_Array_Delete, Context.VoidTy, VoidPtr); |
3005 | } |
3006 | |
3007 | |
3008 | |
3009 | void Sema::DeclareGlobalAllocationFunction(DeclarationName Name, |
3010 | QualType Return, |
3011 | ArrayRef<QualType> Params) { |
3012 | DeclContext *GlobalCtx = Context.getTranslationUnitDecl(); |
3013 | |
3014 | |
3015 | DeclContext::lookup_result R = GlobalCtx->lookup(Name); |
3016 | for (DeclContext::lookup_iterator Alloc = R.begin(), AllocEnd = R.end(); |
3017 | Alloc != AllocEnd; ++Alloc) { |
3018 | |
3019 | |
3020 | if (FunctionDecl *Func = dyn_cast<FunctionDecl>(*Alloc)) { |
3021 | if (Func->getNumParams() == Params.size()) { |
3022 | llvm::SmallVector<QualType, 3> FuncParams; |
3023 | for (auto *P : Func->parameters()) |
3024 | FuncParams.push_back( |
3025 | Context.getCanonicalType(P->getType().getUnqualifiedType())); |
3026 | if (llvm::makeArrayRef(FuncParams) == Params) { |
3027 | |
3028 | |
3029 | |
3030 | Func->setVisibleDespiteOwningModule(); |
3031 | return; |
3032 | } |
3033 | } |
3034 | } |
3035 | } |
3036 | |
3037 | FunctionProtoType::ExtProtoInfo EPI(Context.getDefaultCallingConvention( |
3038 | false, false, true)); |
3039 | |
3040 | QualType BadAllocType; |
3041 | bool HasBadAllocExceptionSpec |
3042 | = (Name.getCXXOverloadedOperator() == OO_New || |
3043 | Name.getCXXOverloadedOperator() == OO_Array_New); |
3044 | if (HasBadAllocExceptionSpec) { |
3045 | if (!getLangOpts().CPlusPlus11) { |
3046 | BadAllocType = Context.getTypeDeclType(getStdBadAlloc()); |
3047 | assert(StdBadAlloc && "Must have std::bad_alloc declared"); |
3048 | EPI.ExceptionSpec.Type = EST_Dynamic; |
3049 | EPI.ExceptionSpec.Exceptions = llvm::makeArrayRef(BadAllocType); |
3050 | } |
3051 | } else { |
3052 | EPI.ExceptionSpec = |
3053 | getLangOpts().CPlusPlus11 ? EST_BasicNoexcept : EST_DynamicNone; |
3054 | } |
3055 | |
3056 | auto CreateAllocationFunctionDecl = [&](Attr *ExtraAttr) { |
3057 | QualType FnType = Context.getFunctionType(Return, Params, EPI); |
3058 | FunctionDecl *Alloc = FunctionDecl::Create( |
3059 | Context, GlobalCtx, SourceLocation(), SourceLocation(), Name, |
3060 | FnType, nullptr, SC_None, false, true); |
3061 | Alloc->setImplicit(); |
3062 | |
3063 | Alloc->setVisibleDespiteOwningModule(); |
3064 | |
3065 | Alloc->addAttr(VisibilityAttr::CreateImplicit( |
3066 | Context, LangOpts.GlobalAllocationFunctionVisibilityHidden |
3067 | ? VisibilityAttr::Hidden |
3068 | : VisibilityAttr::Default)); |
3069 | |
3070 | llvm::SmallVector<ParmVarDecl *, 3> ParamDecls; |
3071 | for (QualType T : Params) { |
3072 | ParamDecls.push_back(ParmVarDecl::Create( |
3073 | Context, Alloc, SourceLocation(), SourceLocation(), nullptr, T, |
3074 | nullptr, SC_None, nullptr)); |
3075 | ParamDecls.back()->setImplicit(); |
3076 | } |
3077 | Alloc->setParams(ParamDecls); |
3078 | if (ExtraAttr) |
3079 | Alloc->addAttr(ExtraAttr); |
3080 | AddKnownFunctionAttributesForReplaceableGlobalAllocationFunction(Alloc); |
3081 | Context.getTranslationUnitDecl()->addDecl(Alloc); |
3082 | IdResolver.tryAddTopLevelDecl(Alloc, Name); |
3083 | }; |
3084 | |
3085 | if (!LangOpts.CUDA) |
3086 | CreateAllocationFunctionDecl(nullptr); |
3087 | else { |
3088 | |
3089 | |
3090 | CreateAllocationFunctionDecl(CUDAHostAttr::CreateImplicit(Context)); |
3091 | CreateAllocationFunctionDecl(CUDADeviceAttr::CreateImplicit(Context)); |
3092 | } |
3093 | } |
3094 | |
3095 | FunctionDecl *Sema::FindUsualDeallocationFunction(SourceLocation StartLoc, |
3096 | bool CanProvideSize, |
3097 | bool Overaligned, |
3098 | DeclarationName Name) { |
3099 | DeclareGlobalNewDelete(); |
3100 | |
3101 | LookupResult FoundDelete(*this, Name, StartLoc, LookupOrdinaryName); |
3102 | LookupQualifiedName(FoundDelete, Context.getTranslationUnitDecl()); |
3103 | |
3104 | |
3105 | |
3106 | |
3107 | |
3108 | auto Result = resolveDeallocationOverload(*this, FoundDelete, CanProvideSize, |
3109 | Overaligned); |
3110 | assert(Result.FD && "operator delete missing from global scope?"); |
3111 | return Result.FD; |
3112 | } |
3113 | |
3114 | FunctionDecl *Sema::FindDeallocationFunctionForDestructor(SourceLocation Loc, |
3115 | CXXRecordDecl *RD) { |
3116 | DeclarationName Name = Context.DeclarationNames.getCXXOperatorName(OO_Delete); |
3117 | |
3118 | FunctionDecl *OperatorDelete = nullptr; |
3119 | if (FindDeallocationFunction(Loc, RD, Name, OperatorDelete)) |
3120 | return nullptr; |
3121 | if (OperatorDelete) |
3122 | return OperatorDelete; |
3123 | |
3124 | |
3125 | |
3126 | return FindUsualDeallocationFunction( |
3127 | Loc, true, hasNewExtendedAlignment(*this, Context.getRecordType(RD)), |
3128 | Name); |
3129 | } |
3130 | |
3131 | bool Sema::FindDeallocationFunction(SourceLocation StartLoc, CXXRecordDecl *RD, |
3132 | DeclarationName Name, |
3133 | FunctionDecl *&Operator, bool Diagnose) { |
3134 | LookupResult Found(*this, Name, StartLoc, LookupOrdinaryName); |
3135 | |
3136 | LookupQualifiedName(Found, RD); |
3137 | |
3138 | if (Found.isAmbiguous()) |
3139 | return true; |
3140 | |
3141 | Found.suppressDiagnostics(); |
3142 | |
3143 | bool Overaligned = hasNewExtendedAlignment(*this, Context.getRecordType(RD)); |
3144 | |
3145 | |
3146 | |
3147 | |
3148 | llvm::SmallVector<UsualDeallocFnInfo, 4> Matches; |
3149 | resolveDeallocationOverload(*this, Found, false, |
3150 | Overaligned, &Matches); |
3151 | |
3152 | |
3153 | if (Matches.size() == 1) { |
3154 | Operator = cast<CXXMethodDecl>(Matches[0].FD); |
3155 | |
3156 | |
3157 | if (Operator->isDeleted()) { |
3158 | if (Diagnose) { |
3159 | Diag(StartLoc, diag::err_deleted_function_use); |
3160 | NoteDeletedFunction(Operator); |
3161 | } |
3162 | return true; |
3163 | } |
3164 | |
3165 | if (CheckAllocationAccess(StartLoc, SourceRange(), Found.getNamingClass(), |
3166 | Matches[0].Found, Diagnose) == AR_inaccessible) |
3167 | return true; |
3168 | |
3169 | return false; |
3170 | } |
3171 | |
3172 | |
3173 | |
3174 | |
3175 | if (!Matches.empty()) { |
3176 | if (Diagnose) { |
3177 | Diag(StartLoc, diag::err_ambiguous_suitable_delete_member_function_found) |
3178 | << Name << RD; |
3179 | for (auto &Match : Matches) |
3180 | Diag(Match.FD->getLocation(), diag::note_member_declared_here) << Name; |
3181 | } |
3182 | return true; |
3183 | } |
3184 | |
3185 | |
3186 | |
3187 | if (!Found.empty()) { |
3188 | if (Diagnose) { |
3189 | Diag(StartLoc, diag::err_no_suitable_delete_member_function_found) |
3190 | << Name << RD; |
3191 | |
3192 | for (NamedDecl *D : Found) |
3193 | Diag(D->getUnderlyingDecl()->getLocation(), |
3194 | diag::note_member_declared_here) << Name; |
3195 | } |
3196 | return true; |
3197 | } |
3198 | |
3199 | Operator = nullptr; |
3200 | return false; |
3201 | } |
3202 | |
3203 | namespace { |
3204 | |
3205 | |
3206 | class MismatchingNewDeleteDetector { |
3207 | public: |
3208 | enum MismatchResult { |
3209 | |
3210 | NoMismatch, |
3211 | |
3212 | VarInitMismatches, |
3213 | |
3214 | MemberInitMismatches, |
3215 | |
3216 | |
3217 | AnalyzeLater |
3218 | }; |
3219 | |
3220 | |
3221 | |
3222 | |
3223 | explicit MismatchingNewDeleteDetector(bool EndOfTU) |
3224 | : Field(nullptr), IsArrayForm(false), EndOfTU(EndOfTU), |
3225 | HasUndefinedConstructors(false) {} |
3226 | |
3227 | |
3228 | |
3229 | |
3230 | |
3231 | |
3232 | |
3233 | |
3234 | |
3235 | |
3236 | |
3237 | MismatchResult analyzeDeleteExpr(const CXXDeleteExpr *DE); |
3238 | |
3239 | |
3240 | |
3241 | |
3242 | MismatchResult analyzeField(FieldDecl *Field, bool DeleteWasArrayForm); |
3243 | FieldDecl *Field; |
3244 | |
3245 | llvm::SmallVector<const CXXNewExpr *, 4> NewExprs; |
3246 | |
3247 | bool IsArrayForm; |
3248 | |
3249 | private: |
3250 | const bool EndOfTU; |
3251 | |
3252 | bool HasUndefinedConstructors; |
3253 | |
3254 | |
3255 | |
3256 | const CXXNewExpr *getNewExprFromInitListOrExpr(const Expr *E); |
3257 | |
3258 | |
3259 | |
3260 | |
3261 | |
3262 | |
3263 | |
3264 | MismatchResult analyzeMemberExpr(const MemberExpr *ME); |
3265 | |
3266 | |
3267 | |
3268 | |
3269 | |
3270 | |
3271 | |
3272 | bool hasMatchingVarInit(const DeclRefExpr *D); |
3273 | |
3274 | |
3275 | |
3276 | |
3277 | |
3278 | |
3279 | |
3280 | |
3281 | bool hasMatchingNewInCtor(const CXXConstructorDecl *CD); |
3282 | |
3283 | |
3284 | bool hasMatchingNewInCtorInit(const CXXCtorInitializer *CI); |
3285 | |
3286 | |
3287 | MismatchResult analyzeInClassInitializer(); |
3288 | }; |
3289 | } |
3290 | |
3291 | MismatchingNewDeleteDetector::MismatchResult |
3292 | MismatchingNewDeleteDetector::analyzeDeleteExpr(const CXXDeleteExpr *DE) { |
3293 | NewExprs.clear(); |
3294 | assert(DE && "Expected delete-expression"); |
3295 | IsArrayForm = DE->isArrayForm(); |
3296 | const Expr *E = DE->getArgument()->IgnoreParenImpCasts(); |
3297 | if (const MemberExpr *ME = dyn_cast<const MemberExpr>(E)) { |
3298 | return analyzeMemberExpr(ME); |
3299 | } else if (const DeclRefExpr *D = dyn_cast<const DeclRefExpr>(E)) { |
3300 | if (!hasMatchingVarInit(D)) |
3301 | return VarInitMismatches; |
3302 | } |
3303 | return NoMismatch; |
3304 | } |
3305 | |
3306 | const CXXNewExpr * |
3307 | MismatchingNewDeleteDetector::getNewExprFromInitListOrExpr(const Expr *E) { |
3308 | assert(E != nullptr && "Expected a valid initializer expression"); |
3309 | E = E->IgnoreParenImpCasts(); |
3310 | if (const InitListExpr *ILE = dyn_cast<const InitListExpr>(E)) { |
3311 | if (ILE->getNumInits() == 1) |
3312 | E = dyn_cast<const CXXNewExpr>(ILE->getInit(0)->IgnoreParenImpCasts()); |
3313 | } |
3314 | |
3315 | return dyn_cast_or_null<const CXXNewExpr>(E); |
3316 | } |
3317 | |
3318 | bool MismatchingNewDeleteDetector::hasMatchingNewInCtorInit( |
3319 | const CXXCtorInitializer *CI) { |
3320 | const CXXNewExpr *NE = nullptr; |
3321 | if (Field == CI->getMember() && |
3322 | (NE = getNewExprFromInitListOrExpr(CI->getInit()))) { |
3323 | if (NE->isArray() == IsArrayForm) |
3324 | return true; |
3325 | else |
3326 | NewExprs.push_back(NE); |
3327 | } |
3328 | return false; |
3329 | } |
3330 | |
3331 | bool MismatchingNewDeleteDetector::hasMatchingNewInCtor( |
3332 | const CXXConstructorDecl *CD) { |
3333 | if (CD->isImplicit()) |
3334 | return false; |
3335 | const FunctionDecl *Definition = CD; |
3336 | if (!CD->isThisDeclarationADefinition() && !CD->isDefined(Definition)) { |
3337 | HasUndefinedConstructors = true; |
3338 | return EndOfTU; |
3339 | } |
3340 | for (const auto *CI : cast<const CXXConstructorDecl>(Definition)->inits()) { |
3341 | if (hasMatchingNewInCtorInit(CI)) |
3342 | return true; |
3343 | } |
3344 | return false; |
3345 | } |
3346 | |
3347 | MismatchingNewDeleteDetector::MismatchResult |
3348 | MismatchingNewDeleteDetector::analyzeInClassInitializer() { |
3349 | assert(Field != nullptr && "This should be called only for members"); |
3350 | const Expr *InitExpr = Field->getInClassInitializer(); |
3351 | if (!InitExpr) |
3352 | return EndOfTU ? NoMismatch : AnalyzeLater; |
3353 | if (const CXXNewExpr *NE = getNewExprFromInitListOrExpr(InitExpr)) { |
3354 | if (NE->isArray() != IsArrayForm) { |
3355 | NewExprs.push_back(NE); |
3356 | return MemberInitMismatches; |
3357 | } |
3358 | } |
3359 | return NoMismatch; |
3360 | } |
3361 | |
3362 | MismatchingNewDeleteDetector::MismatchResult |
3363 | MismatchingNewDeleteDetector::analyzeField(FieldDecl *Field, |
3364 | bool DeleteWasArrayForm) { |
3365 | assert(Field != nullptr && "Analysis requires a valid class member."); |
3366 | this->Field = Field; |
3367 | IsArrayForm = DeleteWasArrayForm; |
3368 | const CXXRecordDecl *RD = cast<const CXXRecordDecl>(Field->getParent()); |
3369 | for (const auto *CD : RD->ctors()) { |
3370 | if (hasMatchingNewInCtor(CD)) |
3371 | return NoMismatch; |
3372 | } |
3373 | if (HasUndefinedConstructors) |
3374 | return EndOfTU ? NoMismatch : AnalyzeLater; |
3375 | if (!NewExprs.empty()) |
3376 | return MemberInitMismatches; |
3377 | return Field->hasInClassInitializer() ? analyzeInClassInitializer() |
3378 | : NoMismatch; |
3379 | } |
3380 | |
3381 | MismatchingNewDeleteDetector::MismatchResult |
3382 | MismatchingNewDeleteDetector::analyzeMemberExpr(const MemberExpr *ME) { |
3383 | assert(ME != nullptr && "Expected a member expression"); |
3384 | if (FieldDecl *F = dyn_cast<FieldDecl>(ME->getMemberDecl())) |
3385 | return analyzeField(F, IsArrayForm); |
3386 | return NoMismatch; |
3387 | } |
3388 | |
3389 | bool MismatchingNewDeleteDetector::hasMatchingVarInit(const DeclRefExpr *D) { |
3390 | const CXXNewExpr *NE = nullptr; |
3391 | if (const VarDecl *VD = dyn_cast<const VarDecl>(D->getDecl())) { |
3392 | if (VD->hasInit() && (NE = getNewExprFromInitListOrExpr(VD->getInit())) && |
3393 | NE->isArray() != IsArrayForm) { |
3394 | NewExprs.push_back(NE); |
3395 | } |
3396 | } |
3397 | return NewExprs.empty(); |
3398 | } |
3399 | |
3400 | static void |
3401 | DiagnoseMismatchedNewDelete(Sema &SemaRef, SourceLocation DeleteLoc, |
3402 | const MismatchingNewDeleteDetector &Detector) { |
3403 | SourceLocation EndOfDelete = SemaRef.getLocForEndOfToken(DeleteLoc); |
3404 | FixItHint H; |
3405 | if (!Detector.IsArrayForm) |
3406 | H = FixItHint::CreateInsertion(EndOfDelete, "[]"); |
3407 | else { |
3408 | SourceLocation RSquare = Lexer::findLocationAfterToken( |
3409 | DeleteLoc, tok::l_square, SemaRef.getSourceManager(), |
3410 | SemaRef.getLangOpts(), true); |
3411 | if (RSquare.isValid()) |
3412 | H = FixItHint::CreateRemoval(SourceRange(EndOfDelete, RSquare)); |
3413 | } |
3414 | SemaRef.Diag(DeleteLoc, diag::warn_mismatched_delete_new) |
3415 | << Detector.IsArrayForm << H; |
3416 | |
3417 | for (const auto *NE : Detector.NewExprs) |
3418 | SemaRef.Diag(NE->getExprLoc(), diag::note_allocated_here) |
3419 | << Detector.IsArrayForm; |
3420 | } |
3421 | |
3422 | void Sema::AnalyzeDeleteExprMismatch(const CXXDeleteExpr *DE) { |
3423 | if (Diags.isIgnored(diag::warn_mismatched_delete_new, SourceLocation())) |
3424 | return; |
3425 | MismatchingNewDeleteDetector Detector(false); |
3426 | switch (Detector.analyzeDeleteExpr(DE)) { |
3427 | case MismatchingNewDeleteDetector::VarInitMismatches: |
3428 | case MismatchingNewDeleteDetector::MemberInitMismatches: { |
3429 | DiagnoseMismatchedNewDelete(*this, DE->getBeginLoc(), Detector); |
3430 | break; |
3431 | } |
3432 | case MismatchingNewDeleteDetector::AnalyzeLater: { |
3433 | DeleteExprs[Detector.Field].push_back( |
3434 | std::make_pair(DE->getBeginLoc(), DE->isArrayForm())); |
3435 | break; |
3436 | } |
3437 | case MismatchingNewDeleteDetector::NoMismatch: |
3438 | break; |
3439 | } |
3440 | } |
3441 | |
3442 | void Sema::AnalyzeDeleteExprMismatch(FieldDecl *Field, SourceLocation DeleteLoc, |
3443 | bool DeleteWasArrayForm) { |
3444 | MismatchingNewDeleteDetector Detector(true); |
3445 | switch (Detector.analyzeField(Field, DeleteWasArrayForm)) { |
3446 | case MismatchingNewDeleteDetector::VarInitMismatches: |
3447 | llvm_unreachable("This analysis should have been done for class members."); |
3448 | case MismatchingNewDeleteDetector::AnalyzeLater: |
3449 | llvm_unreachable("Analysis cannot be postponed any point beyond end of " |
3450 | "translation unit."); |
3451 | case MismatchingNewDeleteDetector::MemberInitMismatches: |
3452 | DiagnoseMismatchedNewDelete(*this, DeleteLoc, Detector); |
3453 | break; |
3454 | case MismatchingNewDeleteDetector::NoMismatch: |
3455 | break; |
3456 | } |
3457 | } |
3458 | |
3459 | |
3460 | |
3461 | |
3462 | |
3463 | ExprResult |
3464 | Sema::ActOnCXXDelete(SourceLocation StartLoc, bool UseGlobal, |
3465 | bool ArrayForm, Expr *ExE) { |
3466 | |
3467 | |
3468 | |
3469 | |
3470 | |
3471 | |
3472 | |
3473 | ExprResult Ex = ExE; |
3474 | FunctionDecl *OperatorDelete = nullptr; |
3475 | bool ArrayFormAsWritten = ArrayForm; |
3476 | bool UsualArrayDeleteWantsSize = false; |
3477 | |
3478 | if (!Ex.get()->isTypeDependent()) { |
3479 | |
3480 | Ex = DefaultLvalueConversion(Ex.get()); |
3481 | if (Ex.isInvalid()) |
3482 | return ExprError(); |
3483 | |
3484 | QualType Type = Ex.get()->getType(); |
3485 | |
3486 | class DeleteConverter : public ContextualImplicitConverter { |
3487 | public: |
3488 | DeleteConverter() : ContextualImplicitConverter(false, true) {} |
3489 | |
3490 | bool match(QualType ConvType) override { |
3491 | |
3492 | |
3493 | if (const PointerType *ConvPtrType = ConvType->getAs<PointerType>()) |
3494 | if (ConvPtrType->getPointeeType()->isIncompleteOrObjectType()) |
3495 | return true; |
3496 | return false; |
3497 | } |
3498 | |
3499 | SemaDiagnosticBuilder diagnoseNoMatch(Sema &S, SourceLocation Loc, |
3500 | QualType T) override { |
3501 | return S.Diag(Loc, diag::err_delete_operand) << T; |
3502 | } |
3503 | |
3504 | SemaDiagnosticBuilder diagnoseIncomplete(Sema &S, SourceLocation Loc, |
3505 | QualType T) override { |
3506 | return S.Diag(Loc, diag::err_delete_incomplete_class_type) << T; |
3507 | } |
3508 | |
3509 | SemaDiagnosticBuilder diagnoseExplicitConv(Sema &S, SourceLocation Loc, |
3510 | QualType T, |
3511 | QualType ConvTy) override { |
3512 | return S.Diag(Loc, diag::err_delete_explicit_conversion) << T << ConvTy; |
3513 | } |
3514 | |
3515 | SemaDiagnosticBuilder noteExplicitConv(Sema &S, CXXConversionDecl *Conv, |
3516 | QualType ConvTy) override { |
3517 | return S.Diag(Conv->getLocation(), diag::note_delete_conversion) |
3518 | << ConvTy; |
3519 | } |
3520 | |
3521 | SemaDiagnosticBuilder diagnoseAmbiguous(Sema &S, SourceLocation Loc, |
3522 | QualType T) override { |
3523 | return S.Diag(Loc, diag::err_ambiguous_delete_operand) << T; |
3524 | } |
3525 | |
3526 | SemaDiagnosticBuilder noteAmbiguous(Sema &S, CXXConversionDecl *Conv, |
3527 | QualType ConvTy) override { |
3528 | return S.Diag(Conv->getLocation(), diag::note_delete_conversion) |
3529 | << ConvTy; |
3530 | } |
3531 | |
3532 | SemaDiagnosticBuilder diagnoseConversion(Sema &S, SourceLocation Loc, |
3533 | QualType T, |
3534 | QualType ConvTy) override { |
3535 | llvm_unreachable("conversion functions are permitted"); |
3536 | } |
3537 | } Converter; |
3538 | |
3539 | Ex = PerformContextualImplicitConversion(StartLoc, Ex.get(), Converter); |
3540 | if (Ex.isInvalid()) |
3541 | return ExprError(); |
3542 | Type = Ex.get()->getType(); |
3543 | if (!Converter.match(Type)) |
3544 | |
3545 | |
3546 | return ExprError(); |
3547 | |
3548 | QualType Pointee = Type->castAs<PointerType>()->getPointeeType(); |
3549 | QualType PointeeElem = Context.getBaseElementType(Pointee); |
3550 | |
3551 | if (Pointee.getAddressSpace() != LangAS::Default && |
3552 | !getLangOpts().OpenCLCPlusPlus) |
3553 | return Diag(Ex.get()->getBeginLoc(), |
3554 | diag::err_address_space_qualified_delete) |
3555 | << Pointee.getUnqualifiedType() |
3556 | << Pointee.getQualifiers().getAddressSpaceAttributePrintValue(); |
3557 | |
3558 | CXXRecordDecl *PointeeRD = nullptr; |
3559 | if (Pointee->isVoidType() && !isSFINAEContext()) { |
3560 | |
3561 | |
3562 | |
3563 | Diag(StartLoc, diag::ext_delete_void_ptr_operand) |
3564 | << Type << Ex.get()->getSourceRange(); |
3565 | } else if (Pointee->isFunctionType() || Pointee->isVoidType() || |
3566 | Pointee->isSizelessType()) { |
3567 | return ExprError(Diag(StartLoc, diag::err_delete_operand) |
3568 | << Type << Ex.get()->getSourceRange()); |
3569 | } else if (!Pointee->isDependentType()) { |
3570 | |
3571 | |
3572 | if (!RequireCompleteType(StartLoc, Pointee, |
3573 | diag::warn_delete_incomplete, Ex.get())) { |
3574 | if (const RecordType *RT = PointeeElem->getAs<RecordType>()) |
3575 | PointeeRD = cast<CXXRecordDecl>(RT->getDecl()); |
3576 | } |
3577 | } |
3578 | |
3579 | if (Pointee->isArrayType() && !ArrayForm) { |
3580 | Diag(StartLoc, diag::warn_delete_array_type) |
3581 | << Type << Ex.get()->getSourceRange() |
3582 | << FixItHint::CreateInsertion(getLocForEndOfToken(StartLoc), "[]"); |
3583 | ArrayForm = true; |
3584 | } |
3585 | |
3586 | DeclarationName DeleteName = Context.DeclarationNames.getCXXOperatorName( |
3587 | ArrayForm ? OO_Array_Delete : OO_Delete); |
3588 | |
3589 | if (PointeeRD) { |
3590 | if (!UseGlobal && |
3591 | FindDeallocationFunction(StartLoc, PointeeRD, DeleteName, |
3592 | OperatorDelete)) |
3593 | return ExprError(); |
3594 | |
3595 | |
3596 | |
3597 | if (ArrayForm) { |
3598 | |
3599 | |
3600 | if (UseGlobal) |
3601 | UsualArrayDeleteWantsSize = |
3602 | doesUsualArrayDeleteWantSize(*this, StartLoc, PointeeElem); |
3603 | |
3604 | |
3605 | |
3606 | else if (OperatorDelete && isa<CXXMethodDecl>(OperatorDelete)) |
3607 | UsualArrayDeleteWantsSize = |
3608 | UsualDeallocFnInfo(*this, |
3609 | DeclAccessPair::make(OperatorDelete, AS_public)) |
3610 | .HasSizeT; |
3611 | } |
3612 | |
3613 | if (!PointeeRD->hasIrrelevantDestructor()) |
3614 | if (CXXDestructorDecl *Dtor = LookupDestructor(PointeeRD)) { |
3615 | MarkFunctionReferenced(StartLoc, |
3616 | const_cast<CXXDestructorDecl*>(Dtor)); |
3617 | if (DiagnoseUseOfDecl(Dtor, StartLoc)) |
3618 | return ExprError(); |
3619 | } |
3620 | |
3621 | CheckVirtualDtorCall(PointeeRD->getDestructor(), StartLoc, |
3622 | true, true, |
3623 | !ArrayForm, |
3624 | SourceLocation()); |
3625 | } |
3626 | |
3627 | if (!OperatorDelete) { |
3628 | if (getLangOpts().OpenCLCPlusPlus) { |
3629 | Diag(StartLoc, diag::err_openclcxx_not_supported) << "default delete"; |
3630 | return ExprError(); |
3631 | } |
3632 | |
3633 | bool IsComplete = isCompleteType(StartLoc, Pointee); |
3634 | bool CanProvideSize = |
3635 | IsComplete && (!ArrayForm || UsualArrayDeleteWantsSize || |
3636 | Pointee.isDestructedType()); |
3637 | bool Overaligned = hasNewExtendedAlignment(*this, Pointee); |
3638 | |
3639 | |
3640 | OperatorDelete = FindUsualDeallocationFunction(StartLoc, CanProvideSize, |
3641 | Overaligned, DeleteName); |
3642 | } |
3643 | |
3644 | MarkFunctionReferenced(StartLoc, OperatorDelete); |
3645 | |
3646 | |
3647 | |
3648 | bool IsVirtualDelete = false; |
3649 | if (PointeeRD) { |
3650 | if (CXXDestructorDecl *Dtor = LookupDestructor(PointeeRD)) { |
3651 | CheckDestructorAccess(Ex.get()->getExprLoc(), Dtor, |
3652 | PDiag(diag::err_access_dtor) << PointeeElem); |
3653 | IsVirtualDelete = Dtor->isVirtual(); |
3654 | } |
3655 | } |
3656 | |
3657 | DiagnoseUseOfDecl(OperatorDelete, StartLoc); |
3658 | |
3659 | |
3660 | |
3661 | |
3662 | |
3663 | QualType ParamType = OperatorDelete->getParamDecl(0)->getType(); |
3664 | if (!IsVirtualDelete && !ParamType->getPointeeType()->isVoidType()) { |
3665 | Qualifiers Qs = Pointee.getQualifiers(); |
3666 | if (Qs.hasCVRQualifiers()) { |
3667 | |
3668 | |
3669 | Qs.removeCVRQualifiers(); |
3670 | QualType Unqual = Context.getPointerType( |
3671 | Context.getQualifiedType(Pointee.getUnqualifiedType(), Qs)); |
3672 | Ex = ImpCastExprToType(Ex.get(), Unqual, CK_NoOp); |
3673 | } |
3674 | Ex = PerformImplicitConversion(Ex.get(), ParamType, AA_Passing); |
3675 | if (Ex.isInvalid()) |
3676 | return ExprError(); |
3677 | } |
3678 | } |
3679 | |
3680 | CXXDeleteExpr *Result = new (Context) CXXDeleteExpr( |
3681 | Context.VoidTy, UseGlobal, ArrayForm, ArrayFormAsWritten, |
3682 | UsualArrayDeleteWantsSize, OperatorDelete, Ex.get(), StartLoc); |
3683 | AnalyzeDeleteExprMismatch(Result); |
3684 | return Result; |
3685 | } |
3686 | |
3687 | static bool resolveBuiltinNewDeleteOverload(Sema &S, CallExpr *TheCall, |
3688 | bool IsDelete, |
3689 | FunctionDecl *&Operator) { |
3690 | |
3691 | DeclarationName NewName = S.Context.DeclarationNames.getCXXOperatorName( |
3692 | IsDelete ? OO_Delete : OO_New); |
3693 | |
3694 | LookupResult R(S, NewName, TheCall->getBeginLoc(), Sema::LookupOrdinaryName); |
3695 | S.LookupQualifiedName(R, S.Context.getTranslationUnitDecl()); |
3696 | assert(!R.empty() && "implicitly declared allocation functions not found"); |
3697 | assert(!R.isAmbiguous() && "global allocation functions are ambiguous"); |
3698 | |
3699 | |
3700 | R.suppressDiagnostics(); |
3701 | |
3702 | SmallVector<Expr *, 8> Args(TheCall->arg_begin(), TheCall->arg_end()); |
3703 | OverloadCandidateSet Candidates(R.getNameLoc(), |
3704 | OverloadCandidateSet::CSK_Normal); |
3705 | for (LookupResult::iterator FnOvl = R.begin(), FnOvlEnd = R.end(); |
3706 | FnOvl != FnOvlEnd; ++FnOvl) { |
3707 | |
3708 | |
3709 | NamedDecl *D = (*FnOvl)->getUnderlyingDecl(); |
3710 | |
3711 | if (FunctionTemplateDecl *FnTemplate = dyn_cast<FunctionTemplateDecl>(D)) { |
3712 | S.AddTemplateOverloadCandidate(FnTemplate, FnOvl.getPair(), |
3713 | nullptr, Args, |
3714 | Candidates, |
3715 | false); |
3716 | continue; |
3717 | } |
3718 | |
3719 | FunctionDecl *Fn = cast<FunctionDecl>(D); |
3720 | S.AddOverloadCandidate(Fn, FnOvl.getPair(), Args, Candidates, |
3721 | false); |
3722 | } |
3723 | |
3724 | SourceRange Range = TheCall->getSourceRange(); |
3725 | |
3726 | |
3727 | OverloadCandidateSet::iterator Best; |
3728 | switch (Candidates.BestViableFunction(S, R.getNameLoc(), Best)) { |
3729 | case OR_Success: { |
3730 | |
3731 | FunctionDecl *FnDecl = Best->Function; |
3732 | assert(R.getNamingClass() == nullptr && |
3733 | "class members should not be considered"); |
3734 | |
3735 | if (!FnDecl->isReplaceableGlobalAllocationFunction()) { |
3736 | S.Diag(R.getNameLoc(), diag::err_builtin_operator_new_delete_not_usual) |
3737 | << (IsDelete ? 1 : 0) << Range; |
3738 | S.Diag(FnDecl->getLocation(), diag::note_non_usual_function_declared_here) |
3739 | << R.getLookupName() << FnDecl->getSourceRange(); |
3740 | return true; |
3741 | } |
3742 | |
3743 | Operator = FnDecl; |
3744 | return false; |
3745 | } |
3746 | |
3747 | case OR_No_Viable_Function: |
3748 | Candidates.NoteCandidates( |
3749 | PartialDiagnosticAt(R.getNameLoc(), |
3750 | S.PDiag(diag::err_ovl_no_viable_function_in_call) |
3751 | << R.getLookupName() << Range), |
3752 | S, OCD_AllCandidates, Args); |
3753 | return true; |
3754 | |
3755 | case OR_Ambiguous: |
3756 | Candidates.NoteCandidates( |
3757 | PartialDiagnosticAt(R.getNameLoc(), |
3758 | S.PDiag(diag::err_ovl_ambiguous_call) |
3759 | << R.getLookupName() << Range), |
3760 | S, OCD_AmbiguousCandidates, Args); |
3761 | return true; |
3762 | |
3763 | case OR_Deleted: { |
3764 | Candidates.NoteCandidates( |
3765 | PartialDiagnosticAt(R.getNameLoc(), S.PDiag(diag::err_ovl_deleted_call) |
3766 | << R.getLookupName() << Range), |
3767 | S, OCD_AllCandidates, Args); |
3768 | return true; |
3769 | } |
3770 | } |
3771 | llvm_unreachable("Unreachable, bad result from BestViableFunction"); |
3772 | } |
3773 | |
3774 | ExprResult |
3775 | Sema::SemaBuiltinOperatorNewDeleteOverloaded(ExprResult TheCallResult, |
3776 | bool IsDelete) { |
3777 | CallExpr *TheCall = cast<CallExpr>(TheCallResult.get()); |
3778 | if (!getLangOpts().CPlusPlus) { |
3779 | Diag(TheCall->getExprLoc(), diag::err_builtin_requires_language) |
3780 | << (IsDelete ? "__builtin_operator_delete" : "__builtin_operator_new") |
3781 | << "C++"; |
3782 | return ExprError(); |
3783 | } |
3784 | |
3785 | |
3786 | DeclareGlobalNewDelete(); |
3787 | |
3788 | FunctionDecl *OperatorNewOrDelete = nullptr; |
3789 | if (resolveBuiltinNewDeleteOverload(*this, TheCall, IsDelete, |
3790 | OperatorNewOrDelete)) |
3791 | return ExprError(); |
3792 | assert(OperatorNewOrDelete && "should be found"); |
3793 | |
3794 | DiagnoseUseOfDecl(OperatorNewOrDelete, TheCall->getExprLoc()); |
3795 | MarkFunctionReferenced(TheCall->getExprLoc(), OperatorNewOrDelete); |
3796 | |
3797 | TheCall->setType(OperatorNewOrDelete->getReturnType()); |
3798 | for (unsigned i = 0; i != TheCall->getNumArgs(); ++i) { |
3799 | QualType ParamTy = OperatorNewOrDelete->getParamDecl(i)->getType(); |
3800 | InitializedEntity Entity = |
3801 | InitializedEntity::InitializeParameter(Context, ParamTy, false); |
3802 | ExprResult Arg = PerformCopyInitialization( |
3803 | Entity, TheCall->getArg(i)->getBeginLoc(), TheCall->getArg(i)); |
3804 | if (Arg.isInvalid()) |
3805 | return ExprError(); |
3806 | TheCall->setArg(i, Arg.get()); |
3807 | } |
3808 | auto Callee = dyn_cast<ImplicitCastExpr>(TheCall->getCallee()); |
3809 | assert(Callee && Callee->getCastKind() == CK_BuiltinFnToFnPtr && |
3810 | "Callee expected to be implicit cast to a builtin function pointer"); |
3811 | Callee->setType(OperatorNewOrDelete->getType()); |
3812 | |
3813 | return TheCallResult; |
3814 | } |
3815 | |
3816 | void Sema::CheckVirtualDtorCall(CXXDestructorDecl *dtor, SourceLocation Loc, |
3817 | bool IsDelete, bool CallCanBeVirtual, |
3818 | bool WarnOnNonAbstractTypes, |
3819 | SourceLocation DtorLoc) { |
3820 | if (!dtor || dtor->isVirtual() || !CallCanBeVirtual || isUnevaluatedContext()) |
3821 | return; |
3822 | |
3823 | |
3824 | |
3825 | |
3826 | |
3827 | |
3828 | |
3829 | |
3830 | const CXXRecordDecl *PointeeRD = dtor->getParent(); |
3831 | |
3832 | if (!PointeeRD->isPolymorphic() || PointeeRD->hasAttr<FinalAttr>()) |
3833 | return; |
3834 | |
3835 | |
3836 | |
3837 | |
3838 | if (getSourceManager().isInSystemHeader(PointeeRD->getLocation())) |
3839 | return; |
3840 | |
3841 | QualType ClassType = dtor->getThisType()->getPointeeType(); |
3842 | if (PointeeRD->isAbstract()) { |
3843 | |
3844 | |
3845 | Diag(Loc, diag::warn_delete_abstract_non_virtual_dtor) << (IsDelete ? 0 : 1) |
3846 | << ClassType; |
3847 | } else if (WarnOnNonAbstractTypes) { |
3848 | |
3849 | |
3850 | Diag(Loc, diag::warn_delete_non_virtual_dtor) << (IsDelete ? 0 : 1) |
3851 | << ClassType; |
3852 | } |
3853 | if (!IsDelete) { |
3854 | std::string TypeStr; |
3855 | ClassType.getAsStringInternal(TypeStr, getPrintingPolicy()); |
3856 | Diag(DtorLoc, diag::note_delete_non_virtual) |
3857 | << FixItHint::CreateInsertion(DtorLoc, TypeStr + "::"); |
3858 | } |
3859 | } |
3860 | |
3861 | Sema::ConditionResult Sema::ActOnConditionVariable(Decl *ConditionVar, |
3862 | SourceLocation StmtLoc, |
3863 | ConditionKind CK) { |
3864 | ExprResult E = |
3865 | CheckConditionVariable(cast<VarDecl>(ConditionVar), StmtLoc, CK); |
3866 | if (E.isInvalid()) |
3867 | return ConditionError(); |
3868 | return ConditionResult(*this, ConditionVar, MakeFullExpr(E.get(), StmtLoc), |
3869 | CK == ConditionKind::ConstexprIf); |
3870 | } |
3871 | |
3872 | |
3873 | |
3874 | ExprResult Sema::CheckConditionVariable(VarDecl *ConditionVar, |
3875 | SourceLocation StmtLoc, |
3876 | ConditionKind CK) { |
3877 | if (ConditionVar->isInvalidDecl()) |
3878 | return ExprError(); |
3879 | |
3880 | QualType T = ConditionVar->getType(); |
3881 | |
3882 | |
3883 | |
3884 | if (T->isFunctionType()) |
3885 | return ExprError(Diag(ConditionVar->getLocation(), |
3886 | diag::err_invalid_use_of_function_type) |
3887 | << ConditionVar->getSourceRange()); |
3888 | else if (T->isArrayType()) |
3889 | return ExprError(Diag(ConditionVar->getLocation(), |
3890 | diag::err_invalid_use_of_array_type) |
3891 | << ConditionVar->getSourceRange()); |
3892 | |
3893 | ExprResult Condition = BuildDeclRefExpr( |
3894 | ConditionVar, ConditionVar->getType().getNonReferenceType(), VK_LValue, |
3895 | ConditionVar->getLocation()); |
3896 | |
3897 | switch (CK) { |
3898 | case ConditionKind::Boolean: |
3899 | return CheckBooleanCondition(StmtLoc, Condition.get()); |
3900 | |
3901 | case ConditionKind::ConstexprIf: |
3902 | return CheckBooleanCondition(StmtLoc, Condition.get(), true); |
3903 | |
3904 | case ConditionKind::Switch: |
3905 | return CheckSwitchCondition(StmtLoc, Condition.get()); |
3906 | } |
3907 | |
3908 | llvm_unreachable("unexpected condition kind"); |
3909 | } |
3910 | |
3911 | |
3912 | ExprResult Sema::CheckCXXBooleanCondition(Expr *CondExpr, bool IsConstexpr) { |
3913 | |
3914 | |
3915 | |
3916 | |
3917 | |
3918 | |
3919 | |
3920 | |
3921 | |
3922 | |
3923 | |
3924 | |
3925 | |
3926 | |
3927 | ExprResult E = PerformContextuallyConvertToBool(CondExpr); |
3928 | if (!IsConstexpr || E.isInvalid() || E.get()->isValueDependent()) |
3929 | return E; |
3930 | |
3931 | |
3932 | llvm::APSInt Cond; |
3933 | E = VerifyIntegerConstantExpression( |
3934 | E.get(), &Cond, |
3935 | diag::err_constexpr_if_condition_expression_is_not_constant); |
3936 | return E; |
3937 | } |
3938 | |
3939 | |
3940 | |
3941 | |
3942 | |
3943 | bool |
3944 | Sema::IsStringLiteralToNonConstPointerConversion(Expr *From, QualType ToType) { |
3945 | |
3946 | if (ImplicitCastExpr *Cast = dyn_cast<ImplicitCastExpr>(From)) |
3947 | From = Cast->getSubExpr(); |
3948 | |
3949 | |
3950 | |
3951 | |
3952 | |
3953 | if (StringLiteral *StrLit = dyn_cast<StringLiteral>(From->IgnoreParens())) |
3954 | if (const PointerType *ToPtrType = ToType->getAs<PointerType>()) |
3955 | if (const BuiltinType *ToPointeeType |
3956 | = ToPtrType->getPointeeType()->getAs<BuiltinType>()) { |
3957 | |
3958 | |
3959 | if (!ToPtrType->getPointeeType().hasQualifiers()) { |
3960 | switch (StrLit->getKind()) { |
3961 | case StringLiteral::UTF8: |
3962 | case StringLiteral::UTF16: |
3963 | case StringLiteral::UTF32: |
3964 | |
3965 | break; |
3966 | case StringLiteral::Ascii: |
3967 | return (ToPointeeType->getKind() == BuiltinType::Char_U || |
3968 | ToPointeeType->getKind() == BuiltinType::Char_S); |
3969 | case StringLiteral::Wide: |
3970 | return Context.typesAreCompatible(Context.getWideCharType(), |
3971 | QualType(ToPointeeType, 0)); |
3972 | } |
3973 | } |
3974 | } |
3975 | |
3976 | return false; |
3977 | } |
3978 | |
3979 | static ExprResult BuildCXXCastArgument(Sema &S, |
3980 | SourceLocation CastLoc, |
3981 | QualType Ty, |
3982 | CastKind Kind, |
3983 | CXXMethodDecl *Method, |
3984 | DeclAccessPair FoundDecl, |
3985 | bool HadMultipleCandidates, |
3986 | Expr *From) { |
3987 | switch (Kind) { |
3988 | default: llvm_unreachable("Unhandled cast kind!"); |
3989 | case CK_ConstructorConversion: { |
3990 | CXXConstructorDecl *Constructor = cast<CXXConstructorDecl>(Method); |
3991 | SmallVector<Expr*, 8> ConstructorArgs; |
3992 | |
3993 | if (S.RequireNonAbstractType(CastLoc, Ty, |
3994 | diag::err_allocation_of_abstract_type)) |
3995 | return ExprError(); |
3996 | |
3997 | if (S.CompleteConstructorCall(Constructor, Ty, From, CastLoc, |
3998 | ConstructorArgs)) |
3999 | return ExprError(); |
4000 | |
4001 | S.CheckConstructorAccess(CastLoc, Constructor, FoundDecl, |
4002 | InitializedEntity::InitializeTemporary(Ty)); |
4003 | if (S.DiagnoseUseOfDecl(Method, CastLoc)) |
4004 | return ExprError(); |
4005 | |
4006 | ExprResult Result = S.BuildCXXConstructExpr( |
4007 | CastLoc, Ty, FoundDecl, cast<CXXConstructorDecl>(Method), |
4008 | ConstructorArgs, HadMultipleCandidates, |
4009 | false, false, false, |
4010 | CXXConstructExpr::CK_Complete, SourceRange()); |
4011 | if (Result.isInvalid()) |
4012 | return ExprError(); |
4013 | |
4014 | return S.MaybeBindToTemporary(Result.getAs<Expr>()); |
4015 | } |
4016 | |
4017 | case CK_UserDefinedConversion: { |
4018 | assert(!From->getType()->isPointerType() && "Arg can't have pointer type!"); |
4019 | |
4020 | S.CheckMemberOperatorAccess(CastLoc, From, nullptr, FoundDecl); |
4021 | if (S.DiagnoseUseOfDecl(Method, CastLoc)) |
4022 | return ExprError(); |
4023 | |
4024 | |
4025 | CXXConversionDecl *Conv = cast<CXXConversionDecl>(Method); |
4026 | ExprResult Result = S.BuildCXXMemberCallExpr(From, FoundDecl, Conv, |
4027 | HadMultipleCandidates); |
4028 | if (Result.isInvalid()) |
4029 | return ExprError(); |
4030 | |
4031 | Result = ImplicitCastExpr::Create(S.Context, Result.get()->getType(), |
4032 | CK_UserDefinedConversion, Result.get(), |
4033 | nullptr, Result.get()->getValueKind(), |
4034 | S.CurFPFeatureOverrides()); |
4035 | |
4036 | return S.MaybeBindToTemporary(Result.get()); |
4037 | } |
4038 | } |
4039 | } |
4040 | |
4041 | |
4042 | |
4043 | |
4044 | |
4045 | |
4046 | ExprResult |
4047 | Sema::PerformImplicitConversion(Expr *From, QualType ToType, |
4048 | const ImplicitConversionSequence &ICS, |
4049 | AssignmentAction Action, |
4050 | CheckedConversionKind CCK) { |
4051 | |
4052 | if (CCK == CCK_ForBuiltinOverloadedOp && !From->getType()->isRecordType()) |
4053 | return From; |
4054 | |
4055 | switch (ICS.getKind()) { |
4056 | case ImplicitConversionSequence::StandardConversion: { |
4057 | ExprResult Res = PerformImplicitConversion(From, ToType, ICS.Standard, |
4058 | Action, CCK); |
4059 | if (Res.isInvalid()) |
4060 | return ExprError(); |
4061 | From = Res.get(); |
4062 | break; |
4063 | } |
4064 | |
4065 | case ImplicitConversionSequence::UserDefinedConversion: { |
4066 | |
4067 | FunctionDecl *FD = ICS.UserDefined.ConversionFunction; |
4068 | CastKind CastKind; |
4069 | QualType BeforeToType; |
4070 | assert(FD && "no conversion function for user-defined conversion seq"); |
4071 | if (const CXXConversionDecl *Conv = dyn_cast<CXXConversionDecl>(FD)) { |
4072 | CastKind = CK_UserDefinedConversion; |
4073 | |
4074 | |
4075 | |
4076 | |
4077 | BeforeToType = Context.getTagDeclType(Conv->getParent()); |
4078 | } else { |
4079 | const CXXConstructorDecl *Ctor = cast<CXXConstructorDecl>(FD); |
4080 | CastKind = CK_ConstructorConversion; |
4081 | |
4082 | if (!ICS.UserDefined.EllipsisConversion) { |
4083 | |
4084 | |
4085 | |
4086 | BeforeToType = Ctor->getParamDecl(0)->getType().getNonReferenceType(); |
4087 | } |
4088 | } |
4089 | |
4090 | if (!ICS.UserDefined.EllipsisConversion) { |
4091 | ExprResult Res = |
4092 | PerformImplicitConversion(From, BeforeToType, |
4093 | ICS.UserDefined.Before, AA_Converting, |
4094 | CCK); |
4095 | if (Res.isInvalid()) |
4096 | return ExprError(); |
4097 | From = Res.get(); |
4098 | } |
4099 | |
4100 | ExprResult CastArg = BuildCXXCastArgument( |
4101 | *this, From->getBeginLoc(), ToType.getNonReferenceType(), CastKind, |
4102 | cast<CXXMethodDecl>(FD), ICS.UserDefined.FoundConversionFunction, |
4103 | ICS.UserDefined.HadMultipleCandidates, From); |
4104 | |
4105 | if (CastArg.isInvalid()) |
4106 | return ExprError(); |
4107 | |
4108 | From = CastArg.get(); |
4109 | |
4110 | |
4111 | |
4112 | |
4113 | if (CCK == CCK_ForBuiltinOverloadedOp) |
4114 | return From; |
4115 | |
4116 | return PerformImplicitConversion(From, ToType, ICS.UserDefined.After, |
4117 | AA_Converting, CCK); |
4118 | } |
4119 | |
4120 | case ImplicitConversionSequence::AmbiguousConversion: |
4121 | ICS.DiagnoseAmbiguousConversion(*this, From->getExprLoc(), |
4122 | PDiag(diag::err_typecheck_ambiguous_condition) |
4123 | << From->getSourceRange()); |
4124 | return ExprError(); |
4125 | |
4126 | case ImplicitConversionSequence::EllipsisConversion: |
4127 | llvm_unreachable("Cannot perform an ellipsis conversion"); |
4128 | |
4129 | case ImplicitConversionSequence::BadConversion: |
4130 | Sema::AssignConvertType ConvTy = |
4131 | CheckAssignmentConstraints(From->getExprLoc(), ToType, From->getType()); |
4132 | bool Diagnosed = DiagnoseAssignmentResult( |
4133 | ConvTy == Compatible ? Incompatible : ConvTy, From->getExprLoc(), |
4134 | ToType, From->getType(), From, Action); |
4135 | assert(Diagnosed && "failed to diagnose bad conversion"); (void)Diagnosed; |
4136 | return ExprError(); |
4137 | } |
4138 | |
4139 | |
4140 | return From; |
4141 | } |
4142 | |
4143 | |
4144 | |
4145 | |
4146 | |
4147 | |
4148 | ExprResult |
4149 | Sema::PerformImplicitConversion(Expr *From, QualType ToType, |
4150 | const StandardConversionSequence& SCS, |
4151 | AssignmentAction Action, |
4152 | CheckedConversionKind CCK) { |
4153 | bool CStyle = (CCK == CCK_CStyleCast || CCK == CCK_FunctionalCast); |
4154 | |
4155 | |
4156 | |
4157 | |
4158 | |
4159 | QualType FromType = From->getType(); |
4160 | |
4161 | if (SCS.CopyConstructor) { |
4162 | |
4163 | assert(!ToType->isReferenceType()); |
4164 | if (SCS.Second == ICK_Derived_To_Base) { |
4165 | SmallVector<Expr*, 8> ConstructorArgs; |
4166 | if (CompleteConstructorCall( |
4167 | cast<CXXConstructorDecl>(SCS.CopyConstructor), ToType, From, |
4168 | SourceLocation(), ConstructorArgs)) |
4169 | return ExprError(); |
4170 | return BuildCXXConstructExpr( |
4171 | SourceLocation(), ToType, |
4172 | SCS.FoundCopyConstructor, SCS.CopyConstructor, |
4173 | ConstructorArgs, false, |
4174 | false, false, false, |
4175 | CXXConstructExpr::CK_Complete, SourceRange()); |
4176 | } |
4177 | return BuildCXXConstructExpr( |
4178 | SourceLocation(), ToType, |
4179 | SCS.FoundCopyConstructor, SCS.CopyConstructor, |
4180 | From, false, |
4181 | false, false, false, |
4182 | CXXConstructExpr::CK_Complete, SourceRange()); |
4183 | } |
4184 | |
4185 | |
4186 | if (Context.hasSameType(FromType, Context.OverloadTy)) { |
4187 | DeclAccessPair Found; |
4188 | FunctionDecl *Fn = ResolveAddressOfOverloadedFunction(From, ToType, |
4189 | true, Found); |
4190 | if (!Fn) |
4191 | return ExprError(); |
4192 | |
4193 | if (DiagnoseUseOfDecl(Fn, From->getBeginLoc())) |
4194 | return ExprError(); |
4195 | |
4196 | From = FixOverloadedFunctionReference(From, Found, Fn); |
4197 | FromType = From->getType(); |
4198 | } |
4199 | |
4200 | |
4201 | |
4202 | QualType ToAtomicType; |
4203 | if (const AtomicType *ToAtomic = ToType->getAs<AtomicType>()) { |
4204 | ToAtomicType = ToType; |
4205 | ToType = ToAtomic->getValueType(); |
4206 | } |
4207 | |
4208 | QualType InitialFromType = FromType; |
4209 | |
4210 | switch (SCS.First) { |
4211 | case ICK_Identity: |
4212 | if (const AtomicType *FromAtomic = FromType->getAs<AtomicType>()) { |
4213 | FromType = FromAtomic->getValueType().getUnqualifiedType(); |
4214 | From = ImplicitCastExpr::Create(Context, FromType, CK_AtomicToNonAtomic, |
4215 | From, nullptr, VK_PRValue, |
4216 | FPOptionsOverride()); |
4217 | } |
4218 | break; |
4219 | |
4220 | case ICK_Lvalue_To_Rvalue: { |
4221 | assert(From->getObjectKind() != OK_ObjCProperty); |
4222 | ExprResult FromRes = DefaultLvalueConversion(From); |
4223 | if (FromRes.isInvalid()) |
4224 | return ExprError(); |
4225 | |
4226 | From = FromRes.get(); |
4227 | FromType = From->getType(); |
4228 | break; |
4229 | } |
4230 | |
4231 | case ICK_Array_To_Pointer: |
4232 | FromType = Context.getArrayDecayedType(FromType); |
4233 | From = ImpCastExprToType(From, FromType, CK_ArrayToPointerDecay, VK_PRValue, |
4234 | nullptr, CCK) |
4235 | .get(); |
4236 | break; |
4237 | |
4238 | case ICK_Function_To_Pointer: |
4239 | FromType = Context.getPointerType(FromType); |
4240 | From = ImpCastExprToType(From, FromType, CK_FunctionToPointerDecay, |
4241 | VK_PRValue, nullptr, CCK) |
4242 | .get(); |
4243 | break; |
4244 | |
4245 | default: |
4246 | llvm_unreachable("Improper first standard conversion"); |
4247 | } |
4248 | |
4249 | |
4250 | switch (SCS.Second) { |
4251 | case ICK_Identity: |
4252 | |
4253 | |
4254 | |
4255 | |
4256 | |
4257 | switch (Action) { |
4258 | case AA_Assigning: |
4259 | case AA_Initializing: |
4260 | |
4261 | case AA_Passing: |
4262 | case AA_Returning: |
4263 | case AA_Sending: |
4264 | case AA_Passing_CFAudited: |
4265 | if (CheckExceptionSpecCompatibility(From, ToType)) |
4266 | return ExprError(); |
4267 | break; |
4268 | |
4269 | case AA_Casting: |
4270 | case AA_Converting: |
4271 | |
4272 | |
4273 | break; |
4274 | } |
4275 | |
4276 | break; |
4277 | |
4278 | case ICK_Integral_Promotion: |
4279 | case ICK_Integral_Conversion: |
4280 | if (ToType->isBooleanType()) { |
4281 | assert(FromType->castAs<EnumType>()->getDecl()->isFixed() && |
4282 | SCS.Second == ICK_Integral_Promotion && |
4283 | "only enums with fixed underlying type can promote to bool"); |
4284 | From = ImpCastExprToType(From, ToType, CK_IntegralToBoolean, VK_PRValue, |
4285 | nullptr, CCK) |
4286 | .get(); |
4287 | } else { |
4288 | From = ImpCastExprToType(From, ToType, CK_IntegralCast, VK_PRValue, |
4289 | nullptr, CCK) |
4290 | .get(); |
4291 | } |
4292 | break; |
4293 | |
4294 | case ICK_Floating_Promotion: |
4295 | case ICK_Floating_Conversion: |
4296 | From = ImpCastExprToType(From, ToType, CK_FloatingCast, VK_PRValue, |
4297 | nullptr, CCK) |
4298 | .get(); |
4299 | break; |
4300 | |
4301 | case ICK_Complex_Promotion: |
4302 | case ICK_Complex_Conversion: { |
4303 | QualType FromEl = From->getType()->castAs<ComplexType>()->getElementType(); |
4304 | QualType ToEl = ToType->castAs<ComplexType>()->getElementType(); |
4305 | CastKind CK; |
4306 | if (FromEl->isRealFloatingType()) { |
4307 | if (ToEl->isRealFloatingType()) |
4308 | CK = CK_FloatingComplexCast; |
4309 | else |
4310 | CK = CK_FloatingComplexToIntegralComplex; |
4311 | } else if (ToEl->isRealFloatingType()) { |
4312 | CK = CK_IntegralComplexToFloatingComplex; |
4313 | } else { |
4314 | CK = CK_IntegralComplexCast; |
4315 | } |
4316 | From = ImpCastExprToType(From, ToType, CK, VK_PRValue, nullptr, |
4317 | CCK) |
4318 | .get(); |
4319 | break; |
4320 | } |
4321 | |
4322 | case ICK_Floating_Integral: |
4323 | if (ToType->isRealFloatingType()) |
4324 | From = ImpCastExprToType(From, ToType, CK_IntegralToFloating, VK_PRValue, |
4325 | nullptr, CCK) |
4326 | .get(); |
4327 | else |
4328 | From = ImpCastExprToType(From, ToType, CK_FloatingToIntegral, VK_PRValue, |
4329 | nullptr, CCK) |
4330 | .get(); |
4331 | break; |
4332 | |
4333 | case ICK_Compatible_Conversion: |
4334 | From = ImpCastExprToType(From, ToType, CK_NoOp, From->getValueKind(), |
4335 | nullptr, CCK).get(); |
4336 | break; |
4337 | |
4338 | case ICK_Writeback_Conversion: |
4339 | case ICK_Pointer_Conversion: { |
4340 | if (SCS.IncompatibleObjC && Action != AA_Casting) { |
4341 | |
4342 | if (Action == AA_Initializing || Action == AA_Assigning) |
4343 | Diag(From->getBeginLoc(), |
4344 | diag::ext_typecheck_convert_incompatible_pointer) |
4345 | << ToType << From->getType() << Action << From->getSourceRange() |
4346 | << 0; |
4347 | else |
4348 | Diag(From->getBeginLoc(), |
4349 | diag::ext_typecheck_convert_incompatible_pointer) |
4350 | << From->getType() << ToType << Action << From->getSourceRange() |
4351 | << 0; |
4352 | |
4353 | if (From->getType()->isObjCObjectPointerType() && |
4354 | ToType->isObjCObjectPointerType()) |
4355 | EmitRelatedResultTypeNote(From); |
4356 | } else if (getLangOpts().allowsNonTrivialObjCLifetimeQualifiers() && |
4357 | !CheckObjCARCUnavailableWeakConversion(ToType, |
4358 | From->getType())) { |
4359 | if (Action == AA_Initializing) |
4360 | Diag(From->getBeginLoc(), diag::err_arc_weak_unavailable_assign); |
4361 | else |
4362 | Diag(From->getBeginLoc(), diag::err_arc_convesion_of_weak_unavailable) |
4363 | << (Action == AA_Casting) << From->getType() << ToType |
4364 | << From->getSourceRange(); |
4365 | } |
4366 | |
4367 | |
4368 | QualType FromPteeType = From->getType()->getPointeeType(); |
4369 | QualType ToPteeType = ToType->getPointeeType(); |
4370 | QualType NewToType = ToType; |
4371 | if (!FromPteeType.isNull() && !ToPteeType.isNull() && |
4372 | FromPteeType.getAddressSpace() != ToPteeType.getAddressSpace()) { |
4373 | NewToType = Context.removeAddrSpaceQualType(ToPteeType); |
4374 | NewToType = Context.getAddrSpaceQualType(NewToType, |
4375 | FromPteeType.getAddressSpace()); |
4376 | if (ToType->isObjCObjectPointerType()) |
4377 | NewToType = Context.getObjCObjectPointerType(NewToType); |
4378 | else if (ToType->isBlockPointerType()) |
4379 | NewToType = Context.getBlockPointerType(NewToType); |
4380 | else |
4381 | NewToType = Context.getPointerType(NewToType); |
4382 | } |
4383 | |
4384 | CastKind Kind; |
4385 | CXXCastPath BasePath; |
4386 | if (CheckPointerConversion(From, NewToType, Kind, BasePath, CStyle)) |
4387 | return ExprError(); |
4388 | |
4389 | |
4390 | |
4391 | if (Kind == CK_BlockPointerToObjCPointerCast) { |
4392 | ExprResult E = From; |
4393 | (void) PrepareCastToObjCObjectPointer(E); |
4394 | From = E.get(); |
4395 | } |
4396 | if (getLangOpts().allowsNonTrivialObjCLifetimeQualifiers()) |
4397 | CheckObjCConversion(SourceRange(), NewToType, From, CCK); |
4398 | From = ImpCastExprToType(From, NewToType, Kind, VK_PRValue, &BasePath, CCK) |
4399 | .get(); |
4400 | break; |
4401 | } |
4402 | |
4403 | case ICK_Pointer_Member: { |
4404 | CastKind Kind; |
4405 | CXXCastPath BasePath; |
4406 | if (CheckMemberPointerConversion(From, ToType, Kind, BasePath, CStyle)) |
4407 | return ExprError(); |
4408 | if (CheckExceptionSpecCompatibility(From, ToType)) |
4409 | return ExprError(); |
4410 | |
4411 | |
4412 | |
4413 | if (Context.getTargetInfo().getCXXABI().isMicrosoft()) { |
4414 | (void)isCompleteType(From->getExprLoc(), From->getType()); |
4415 | (void)isCompleteType(From->getExprLoc(), ToType); |
4416 | } |
4417 | |
4418 | From = |
4419 | ImpCastExprToType(From, ToType, Kind, VK_PRValue, &BasePath, CCK).get(); |
4420 | break; |
4421 | } |
4422 | |
4423 | case ICK_Boolean_Conversion: |
4424 | |
4425 | if (From->getType()->isHalfType()) { |
4426 | From = ImpCastExprToType(From, Context.FloatTy, CK_FloatingCast).get(); |
4427 | FromType = Context.FloatTy; |
4428 | } |
4429 | |
4430 | From = ImpCastExprToType(From, Context.BoolTy, |
4431 | ScalarTypeToBooleanCastKind(FromType), VK_PRValue, |
4432 | nullptr, CCK) |
4433 | .get(); |
4434 | break; |
4435 | |
4436 | case ICK_Derived_To_Base: { |
4437 | CXXCastPath BasePath; |
4438 | if (CheckDerivedToBaseConversion( |
4439 | From->getType(), ToType.getNonReferenceType(), From->getBeginLoc(), |
4440 | From->getSourceRange(), &BasePath, CStyle)) |
4441 | return ExprError(); |
4442 | |
4443 | From = ImpCastExprToType(From, ToType.getNonReferenceType(), |
4444 | CK_DerivedToBase, From->getValueKind(), |
4445 | &BasePath, CCK).get(); |
4446 | break; |
4447 | } |
4448 | |
4449 | case ICK_Vector_Conversion: |
4450 | From = ImpCastExprToType(From, ToType, CK_BitCast, VK_PRValue, |
4451 | nullptr, CCK) |
4452 | .get(); |
4453 | break; |
4454 | |
4455 | case ICK_SVE_Vector_Conversion: |
4456 | From = ImpCastExprToType(From, ToType, CK_BitCast, VK_PRValue, |
4457 | nullptr, CCK) |
4458 | .get(); |
4459 | break; |
4460 | |
4461 | case ICK_Vector_Splat: { |
4462 | |
4463 | Expr *Elem = prepareVectorSplat(ToType, From).get(); |
4464 | From = ImpCastExprToType(Elem, ToType, CK_VectorSplat, VK_PRValue, |
4465 | nullptr, CCK) |
4466 | .get(); |
4467 | break; |
4468 | } |
4469 | |
4470 | case ICK_Complex_Real: |
4471 | |
4472 | if (const ComplexType *ToComplex = ToType->getAs<ComplexType>()) { |
4473 | QualType ElType = ToComplex->getElementType(); |
4474 | bool isFloatingComplex = ElType->isRealFloatingType(); |
4475 | |
4476 | |
4477 | if (Context.hasSameUnqualifiedType(ElType, From->getType())) { |
4478 | |
4479 | } else if (From->getType()->isRealFloatingType()) { |
4480 | From = ImpCastExprToType(From, ElType, |
4481 | isFloatingComplex ? CK_FloatingCast : CK_FloatingToIntegral).get(); |
4482 | } else { |
4483 | assert(From->getType()->isIntegerType()); |
4484 | From = ImpCastExprToType(From, ElType, |
4485 | isFloatingComplex ? CK_IntegralToFloating : CK_IntegralCast).get(); |
4486 | } |
4487 | |
4488 | From = ImpCastExprToType(From, ToType, |
4489 | isFloatingComplex ? CK_FloatingRealToComplex |
4490 | : CK_IntegralRealToComplex).get(); |
4491 | |
4492 | |
4493 | } else { |
4494 | auto *FromComplex = From->getType()->castAs<ComplexType>(); |
4495 | QualType ElType = FromComplex->getElementType(); |
4496 | bool isFloatingComplex = ElType->isRealFloatingType(); |
4497 | |
4498 | |
4499 | From = ImpCastExprToType(From, ElType, |
4500 | isFloatingComplex ? CK_FloatingComplexToReal |
4501 | : CK_IntegralComplexToReal, |
4502 | VK_PRValue, nullptr, CCK) |
4503 | .get(); |
4504 | |
4505 | |
4506 | if (Context.hasSameUnqualifiedType(ElType, ToType)) { |
4507 | |
4508 | } else if (ToType->isRealFloatingType()) { |
4509 | From = ImpCastExprToType(From, ToType, |
4510 | isFloatingComplex ? CK_FloatingCast |
4511 | : CK_IntegralToFloating, |
4512 | VK_PRValue, nullptr, CCK) |
4513 | .get(); |
4514 | } else { |
4515 | assert(ToType->isIntegerType()); |
4516 | From = ImpCastExprToType(From, ToType, |
4517 | isFloatingComplex ? CK_FloatingToIntegral |
4518 | : CK_IntegralCast, |
4519 | VK_PRValue, nullptr, CCK) |
4520 | .get(); |
4521 | } |
4522 | } |
4523 | break; |
4524 | |
4525 | case ICK_Block_Pointer_Conversion: { |
4526 | LangAS AddrSpaceL = |
4527 | ToType->castAs<BlockPointerType>()->getPointeeType().getAddressSpace(); |
4528 | LangAS AddrSpaceR = |
4529 | FromType->castAs<BlockPointerType>()->getPointeeType().getAddressSpace(); |
4530 | assert(Qualifiers::isAddressSpaceSupersetOf(AddrSpaceL, AddrSpaceR) && |
4531 | "Invalid cast"); |
4532 | CastKind Kind = |
4533 | AddrSpaceL != AddrSpaceR ? CK_AddressSpaceConversion : CK_BitCast; |
4534 | From = ImpCastExprToType(From, ToType.getUnqualifiedType(), Kind, |
4535 | VK_PRValue, nullptr, CCK) |
4536 | .get(); |
4537 | break; |
4538 | } |
4539 | |
4540 | case ICK_TransparentUnionConversion: { |
4541 | ExprResult FromRes = From; |
4542 | Sema::AssignConvertType ConvTy = |
4543 | CheckTransparentUnionArgumentConstraints(ToType, FromRes); |
4544 | if (FromRes.isInvalid()) |
4545 | return ExprError(); |
4546 | From = FromRes.get(); |
4547 | assert ((ConvTy == Sema::Compatible) && |
4548 | "Improper transparent union conversion"); |
4549 | (void)ConvTy; |
4550 | break; |
4551 | } |
4552 | |
4553 | case ICK_Zero_Event_Conversion: |
4554 | case ICK_Zero_Queue_Conversion: |
4555 | From = ImpCastExprToType(From, ToType, |
4556 | CK_ZeroToOCLOpaqueType, |
4557 | From->getValueKind()).get(); |
4558 | break; |
4559 | |
4560 | case ICK_Lvalue_To_Rvalue: |
4561 | case ICK_Array_To_Pointer: |
4562 | case ICK_Function_To_Pointer: |
4563 | case ICK_Function_Conversion: |
4564 | case ICK_Qualification: |
4565 | case ICK_Num_Conversion_Kinds: |
4566 | case ICK_C_Only_Conversion: |
4567 | case ICK_Incompatible_Pointer_Conversion: |
4568 | llvm_unreachable("Improper second standard conversion"); |
4569 | } |
4570 | |
4571 | switch (SCS.Third) { |
4572 | case ICK_Identity: |
4573 | |
4574 | break; |
4575 | |
4576 | case ICK_Function_Conversion: |
4577 | |
4578 | |
4579 | if (CheckExceptionSpecCompatibility(From, ToType)) |
4580 | return ExprError(); |
4581 | |
4582 | From = ImpCastExprToType(From, ToType, CK_NoOp, VK_PRValue, |
4583 | nullptr, CCK) |
4584 | .get(); |
4585 | break; |
4586 | |
4587 | case ICK_Qualification: { |
4588 | ExprValueKind VK = From->getValueKind(); |
4589 | CastKind CK = CK_NoOp; |
4590 | |
4591 | if (ToType->isReferenceType() && |
4592 | ToType->getPointeeType().getAddressSpace() != |
4593 | From->getType().getAddressSpace()) |
4594 | CK = CK_AddressSpaceConversion; |
4595 | |
4596 | if (ToType->isPointerType() && |
4597 | ToType->getPointeeType().getAddressSpace() != |
4598 | From->getType()->getPointeeType().getAddressSpace()) |
4599 | CK = CK_AddressSpaceConversion; |
4600 | |
4601 | From = ImpCastExprToType(From, ToType.getNonLValueExprType(Context), CK, VK, |
4602 | nullptr, CCK) |
4603 | .get(); |
4604 | |
4605 | if (SCS.DeprecatedStringLiteralToCharPtr && |
4606 | !getLangOpts().WritableStrings) { |
4607 | Diag(From->getBeginLoc(), |
4608 | getLangOpts().CPlusPlus11 |
4609 | ? diag::ext_deprecated_string_literal_conversion |
4610 | : diag::warn_deprecated_string_literal_conversion) |
4611 | << ToType.getNonReferenceType(); |
4612 | } |
4613 | |
4614 | break; |
4615 | } |
4616 | |
4617 | default: |
4618 | llvm_unreachable("Improper third standard conversion"); |
4619 | } |
4620 | |
4621 | |
4622 | |
4623 | if (!ToAtomicType.isNull()) { |
4624 | assert(Context.hasSameType( |
4625 | ToAtomicType->castAs<AtomicType>()->getValueType(), From->getType())); |
4626 | From = ImpCastExprToType(From, ToAtomicType, CK_NonAtomicToAtomic, |
4627 | VK_PRValue, nullptr, CCK) |
4628 | .get(); |
4629 | } |
4630 | |
4631 | |
4632 | |
4633 | |
4634 | if (ToType->isReferenceType() && From->isPRValue()) { |
4635 | ExprResult Res = TemporaryMaterializationConversion(From); |
4636 | if (Res.isInvalid()) |
4637 | return ExprError(); |
4638 | From = Res.get(); |
4639 | } |
4640 | |
4641 | |
4642 | |
4643 | if (!isCast(CCK)) |
4644 | diagnoseNullableToNonnullConversion(ToType, InitialFromType, |
4645 | From->getBeginLoc()); |
4646 | |
4647 | return From; |
4648 | } |
4649 | |
4650 | |
4651 | |
4652 | |
4653 | |
4654 | |
4655 | |
4656 | static bool CheckUnaryTypeTraitTypeCompleteness(Sema &S, TypeTrait UTT, |
4657 | SourceLocation Loc, |
4658 | QualType ArgTy) { |
4659 | |
4660 | |
4661 | |
4662 | |
4663 | |
4664 | |
4665 | |
4666 | |
4667 | |
4668 | switch (UTT) { |
4669 | default: llvm_unreachable("not a UTT"); |
4670 | |
4671 | case UTT_IsCompleteType: |
4672 | |
4673 | |
4674 | |
4675 | |
4676 | |
4677 | |
4678 | case UTT_IsVoid: |
4679 | case UTT_IsIntegral: |
4680 | case UTT_IsFloatingPoint: |
4681 | case UTT_IsArray: |
4682 | case UTT_IsPointer: |
4683 | case UTT_IsLvalueReference: |
4684 | case UTT_IsRvalueReference: |
4685 | case UTT_IsMemberFunctionPointer: |
4686 | case UTT_IsMemberObjectPointer: |
4687 | case UTT_IsEnum: |
4688 | case UTT_IsUnion: |
4689 | case UTT_IsClass: |
4690 | case UTT_IsFunction: |
4691 | case UTT_IsReference: |
4692 | case UTT_IsArithmetic: |
4693 | case UTT_IsFundamental: |
4694 | case UTT_IsObject: |
4695 | case UTT_IsScalar: |
4696 | case UTT_IsCompound: |
4697 | case UTT_IsMemberPointer: |
4698 | |
4699 | |
4700 | |
4701 | |
4702 | |
4703 | |
4704 | |
4705 | case UTT_IsConst: |
4706 | case UTT_IsVolatile: |
4707 | case UTT_IsSigned: |
4708 | case UTT_IsUnsigned: |
4709 | |
4710 | |
4711 | case UTT_IsInterfaceClass: |
4712 | return true; |
4713 | |
4714 | |
4715 | |
4716 | case UTT_IsEmpty: |
4717 | case UTT_IsPolymorphic: |
4718 | case UTT_IsAbstract: |
4719 | if (const auto *RD = ArgTy->getAsCXXRecordDecl()) |
4720 | if (!RD->isUnion()) |
4721 | return !S.RequireCompleteType( |
4722 | Loc, ArgTy, diag::err_incomplete_type_used_in_type_trait_expr); |
4723 | return true; |
4724 | |
4725 | |
4726 | |
4727 | case UTT_IsFinal: |
4728 | case UTT_IsSealed: |
4729 | if (ArgTy->getAsCXXRecordDecl()) |
4730 | return !S.RequireCompleteType( |
4731 | Loc, ArgTy, diag::err_incomplete_type_used_in_type_trait_expr); |
4732 | return true; |
4733 | |
4734 | |
4735 | |
4736 | case UTT_IsAggregate: |
4737 | case UTT_IsTrivial: |
4738 | case UTT_IsTriviallyCopyable: |
4739 | case UTT_IsStandardLayout: |
4740 | case UTT_IsPOD: |
4741 | case UTT_IsLiteral: |
4742 | |
4743 | |
4744 | |
4745 | case UTT_HasNothrowAssign: |
4746 | case UTT_HasNothrowMoveAssign: |
4747 | case UTT_HasNothrowConstructor: |
4748 | case UTT_HasNothrowCopy: |
4749 | case UTT_HasTrivialAssign: |
4750 | case UTT_HasTrivialMoveAssign: |
4751 | case UTT_HasTrivialDefaultConstructor: |
4752 | case UTT_HasTrivialMoveConstructor: |
4753 | case UTT_HasTrivialCopy: |
4754 | case UTT_HasTrivialDestructor: |
4755 | case UTT_HasVirtualDestructor: |
4756 | ArgTy = QualType(ArgTy->getBaseElementTypeUnsafe(), 0); |
4757 | LLVM_FALLTHROUGH; |
4758 | |
4759 | |
4760 | |
4761 | case UTT_IsDestructible: |
4762 | case UTT_IsNothrowDestructible: |
4763 | case UTT_IsTriviallyDestructible: |
4764 | case UTT_HasUniqueObjectRepresentations: |
4765 | if (ArgTy->isIncompleteArrayType() || ArgTy->isVoidType()) |
4766 | return true; |
4767 | |
4768 | return !S.RequireCompleteType( |
4769 | Loc, ArgTy, diag::err_incomplete_type_used_in_type_trait_expr); |
4770 | } |
4771 | } |
4772 | |
4773 | static bool HasNoThrowOperator(const RecordType *RT, OverloadedOperatorKind Op, |
4774 | Sema &Self, SourceLocation KeyLoc, ASTContext &C, |
4775 | bool (CXXRecordDecl::*HasTrivial)() const, |
4776 | bool (CXXRecordDecl::*HasNonTrivial)() const, |
4777 | bool (CXXMethodDecl::*IsDesiredOp)() const) |
4778 | { |
4779 | CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); |
4780 | if ((RD->*HasTrivial)() && !(RD->*HasNonTrivial)()) |
4781 | return true; |
4782 | |
4783 | DeclarationName Name = C.DeclarationNames.getCXXOperatorName(Op); |
4784 | DeclarationNameInfo NameInfo(Name, KeyLoc); |
4785 | LookupResult Res(Self, NameInfo, Sema::LookupOrdinaryName); |
4786 | if (Self.LookupQualifiedName(Res, RD)) { |
4787 | bool FoundOperator = false; |
4788 | Res.suppressDiagnostics(); |
4789 | for (LookupResult::iterator Op = Res.begin(), OpEnd = Res.end(); |
4790 | Op != OpEnd; ++Op) { |
4791 | if (isa<FunctionTemplateDecl>(*Op)) |
4792 | continue; |
4793 | |
4794 | CXXMethodDecl *Operator = cast<CXXMethodDecl>(*Op); |
4795 | if((Operator->*IsDesiredOp)()) { |
4796 | FoundOperator = true; |
4797 | auto *CPT = Operator->getType()->castAs<FunctionProtoType>(); |
4798 | CPT = Self.ResolveExceptionSpec(KeyLoc, CPT); |
4799 | if (!CPT || !CPT->isNothrow()) |
4800 | return false; |
4801 | } |
4802 | } |
4803 | return FoundOperator; |
4804 | } |
4805 | return false; |
4806 | } |
4807 | |
4808 | static bool EvaluateUnaryTypeTrait(Sema &Self, TypeTrait UTT, |
4809 | SourceLocation KeyLoc, QualType T) { |
4810 | assert(!T->isDependentType() && "Cannot evaluate traits of dependent type"); |
4811 | |
4812 | ASTContext &C = Self.Context; |
4813 | switch(UTT) { |
4814 | default: llvm_unreachable("not a UTT"); |
4815 | |
4816 | |
4817 | case UTT_IsVoid: |
4818 | return T->isVoidType(); |
4819 | case UTT_IsIntegral: |
4820 | return T->isIntegralType(C); |
4821 | case UTT_IsFloatingPoint: |
4822 | return T->isFloatingType(); |
4823 | case UTT_IsArray: |
4824 | return T->isArrayType(); |
4825 | case UTT_IsPointer: |
4826 | return T->isAnyPointerType(); |
4827 | case UTT_IsLvalueReference: |
4828 | return T->isLValueReferenceType(); |
4829 | case UTT_IsRvalueReference: |
4830 | return T->isRValueReferenceType(); |
4831 | case UTT_IsMemberFunctionPointer: |
4832 | return T->isMemberFunctionPointerType(); |
4833 | case UTT_IsMemberObjectPointer: |
4834 | return T->isMemberDataPointerType(); |
4835 | case UTT_IsEnum: |
4836 | return T->isEnumeralType(); |
4837 | case UTT_IsUnion: |
4838 | return T->isUnionType(); |
4839 | case UTT_IsClass: |
4840 | return T->isClassType() || T->isStructureType() || T->isInterfaceType(); |
4841 | case UTT_IsFunction: |
4842 | return T->isFunctionType(); |
4843 | |
4844 | |
4845 | |
4846 | case UTT_IsReference: |
4847 | return T->isReferenceType(); |
4848 | case UTT_IsArithmetic: |
4849 | return T->isArithmeticType() && !T->isEnumeralType(); |
4850 | case UTT_IsFundamental: |
4851 | return T->isFundamentalType(); |
4852 | case UTT_IsObject: |
4853 | return T->isObjectType(); |
4854 | case UTT_IsScalar: |
4855 | |
4856 | |
4857 | |
4858 | |
4859 | if (T->isObjCLifetimeType()) { |
4860 | switch (T.getObjCLifetime()) { |
4861 | case Qualifiers::OCL_None: |
4862 | case Qualifiers::OCL_ExplicitNone: |
4863 | return true; |
4864 | |
4865 | case Qualifiers::OCL_Strong: |
4866 | case Qualifiers::OCL_Weak: |
4867 | case Qualifiers::OCL_Autoreleasing: |
4868 | return false; |
4869 | } |
4870 | } |
4871 | |
4872 | return T->isScalarType(); |
4873 | case UTT_IsCompound: |
4874 | return T->isCompoundType(); |
4875 | case UTT_IsMemberPointer: |
4876 | return T->isMemberPointerType(); |
4877 | |
4878 | |
4879 | |
4880 | case UTT_IsConst: |
4881 | return T.isConstQualified(); |
4882 | case UTT_IsVolatile: |
4883 | return T.isVolatileQualified(); |
4884 | case UTT_IsTrivial: |
4885 | return T.isTrivialType(C); |
4886 | case UTT_IsTriviallyCopyable: |
4887 | return T.isTriviallyCopyableType(C); |
4888 | case UTT_IsStandardLayout: |
4889 | return T->isStandardLayoutType(); |
4890 | case UTT_IsPOD: |
4891 | return T.isPODType(C); |
4892 | case UTT_IsLiteral: |
4893 | return T->isLiteralType(C); |
4894 | case UTT_IsEmpty: |
4895 | if (const CXXRecordDecl *RD = T->getAsCXXRecordDecl()) |
4896 | return !RD->isUnion() && RD->isEmpty(); |
4897 | return false; |
4898 | case UTT_IsPolymorphic: |
4899 | if (const CXXRecordDecl *RD = T->getAsCXXRecordDecl()) |
4900 | return !RD->isUnion() && RD->isPolymorphic(); |
4901 | return false; |
4902 | case UTT_IsAbstract: |
4903 | if (const CXXRecordDecl *RD = T->getAsCXXRecordDecl()) |
4904 | return !RD->isUnion() && RD->isAbstract(); |
4905 | return false; |
4906 | case UTT_IsAggregate: |
4907 | |
4908 | |
4909 | |
4910 | return T->isAggregateType() || T->isVectorType() || T->isExtVectorType() || |
4911 | T->isAnyComplexType(); |
4912 | |
4913 | |
4914 | |
4915 | case UTT_IsInterfaceClass: |
4916 | return false; |
4917 | case UTT_IsFinal: |
4918 | case UTT_IsSealed: |
4919 | if (const CXXRecordDecl *RD = T->getAsCXXRecordDecl()) |
4920 | return RD->hasAttr<FinalAttr>(); |
4921 | return false; |
4922 | case UTT_IsSigned: |
4923 | |
4924 | |
4925 | return T->isFloatingType() || |
4926 | (T->isSignedIntegerType() && !T->isEnumeralType()); |
4927 | case UTT_IsUnsigned: |
4928 | |
4929 | return T->isUnsignedIntegerType() && !T->isEnumeralType(); |
4930 | |
4931 | |
4932 | |
4933 | |
4934 | |
4935 | |
4936 | |
4937 | |
4938 | |
4939 | |
4940 | |
4941 | |
4942 | |
4943 | |
4944 | |
4945 | |
4946 | case UTT_HasTrivialDefaultConstructor: |
4947 | |
4948 | |
4949 | |
4950 | |
4951 | if (T.isPODType(C)) |
4952 | return true; |
4953 | if (CXXRecordDecl *RD = C.getBaseElementType(T)->getAsCXXRecordDecl()) |
4954 | return RD->hasTrivialDefaultConstructor() && |
4955 | !RD->hasNonTrivialDefaultConstructor(); |
4956 | return false; |
4957 | case UTT_HasTrivialMoveConstructor: |
4958 | |
4959 | |
4960 | |
4961 | if (T.isPODType(C)) |
4962 | return true; |
4963 | if (CXXRecordDecl *RD = C.getBaseElementType(T)->getAsCXXRecordDecl()) |
4964 | return RD->hasTrivialMoveConstructor() && !RD->hasNonTrivialMoveConstructor(); |
4965 | return false; |
4966 | case UTT_HasTrivialCopy: |
4967 | |
4968 | |
4969 | |
4970 | |
4971 | |
4972 | if (T.isPODType(C) || T->isReferenceType()) |
4973 | return true; |
4974 | if (CXXRecordDecl *RD = T->getAsCXXRecordDecl()) |
4975 | return RD->hasTrivialCopyConstructor() && |
4976 | !RD->hasNonTrivialCopyConstructor(); |
4977 | return false; |
4978 | case UTT_HasTrivialMoveAssign: |
4979 | |
4980 | |
4981 | |
4982 | if (T.isPODType(C)) |
4983 | return true; |
4984 | if (CXXRecordDecl *RD = C.getBaseElementType(T)->getAsCXXRecordDecl()) |
4985 | return RD->hasTrivialMoveAssignment() && !RD->hasNonTrivialMoveAssignment(); |
4986 | return false; |
4987 | case UTT_HasTrivialAssign: |
4988 | |
4989 | |
4990 | |
4991 | |
4992 | |
4993 | |
4994 | |
4995 | |
4996 | |
4997 | |
4998 | |
4999 | |
5000 | if (T.isConstQualified()) |
5001 | return false; |
5002 | if (T.isPODType(C)) |
5003 | return true; |
5004 | if (CXXRecordDecl *RD = T->getAsCXXRecordDecl()) |
5005 | return RD->hasTrivialCopyAssignment() && |
5006 | !RD->hasNonTrivialCopyAssignment(); |
5007 | return false; |
5008 | case UTT_IsDestructible: |
5009 | case UTT_IsTriviallyDestructible: |
5010 | case UTT_IsNothrowDestructible: |
5011 | |
5012 | |
5013 | if (T->isReferenceType()) |
5014 | return true; |
5015 | |
5016 | |
5017 | if (T->isObjCLifetimeType() && |
5018 | T.getObjCLifetime() == Qualifiers::OCL_Autoreleasing) |
5019 | return true; |
5020 | |
5021 | |
5022 | |
5023 | |
5024 | if (T->isIncompleteType() || T->isFunctionType()) |
5025 | return false; |
5026 | |
5027 | |
5028 | |
5029 | if (UTT == UTT_IsTriviallyDestructible && T.isDestructedType()) |
5030 | return false; |
5031 | |
5032 | |
5033 | |
5034 | |
5035 | |
5036 | if (auto *RD = C.getBaseElementType(T)->getAsCXXRecordDecl()) { |
5037 | CXXDestructorDecl *Destructor = Self.LookupDestructor(RD); |
5038 | if (!Destructor) |
5039 | return false; |
5040 | |
5041 | |
5042 | |
5043 | if (Destructor->isDeleted()) |
5044 | return false; |
5045 | if (C.getLangOpts().AccessControl && Destructor->getAccess() != AS_public) |
5046 | return false; |
5047 | if (UTT == UTT_IsNothrowDestructible) { |
5048 | auto *CPT = Destructor->getType()->castAs<FunctionProtoType>(); |
5049 | CPT = Self.ResolveExceptionSpec(KeyLoc, CPT); |
5050 | if (!CPT || !CPT->isNothrow()) |
5051 | return false; |
5052 | } |
5053 | } |
5054 | return true; |
5055 | |
5056 | case UTT_HasTrivialDestructor: |
5057 | |
5058 | |
5059 | |
5060 | |
5061 | |
5062 | |
5063 | if (T.isPODType(C) || T->isReferenceType()) |
5064 | return true; |
5065 | |
5066 | |
5067 | if (T->isObjCLifetimeType() && |
5068 | T.getObjCLifetime() == Qualifiers::OCL_Autoreleasing) |
5069 | return true; |
5070 | |
5071 | if (CXXRecordDecl *RD = C.getBaseElementType(T)->getAsCXXRecordDecl()) |
5072 | return RD->hasTrivialDestructor(); |
5073 | return false; |
5074 | |
5075 | case UTT_HasNothrowAssign: |
5076 | |
5077 | |
5078 | |
5079 | |
5080 | |
5081 | |
5082 | |
5083 | if (C.getBaseElementType(T).isConstQualified()) |
5084 | return false; |
5085 | if (T->isReferenceType()) |
5086 | return false; |
5087 | if (T.isPODType(C) || T->isObjCLifetimeType()) |
5088 | return true; |
5089 | |
5090 | if (const RecordType *RT = T->getAs<RecordType>()) |
5091 | return HasNoThrowOperator(RT, OO_Equal, Self, KeyLoc, C, |
5092 | &CXXRecordDecl::hasTrivialCopyAssignment, |
5093 | &CXXRecordDecl::hasNonTrivialCopyAssignment, |
5094 | &CXXMethodDecl::isCopyAssignmentOperator); |
5095 | return false; |
5096 | case UTT_HasNothrowMoveAssign: |
5097 | |
5098 | |
5099 | |
5100 | if (T.isPODType(C)) |
5101 | return true; |
5102 | |
5103 | if (const RecordType *RT = C.getBaseElementType(T)->getAs<RecordType>()) |
5104 | return HasNoThrowOperator(RT, OO_Equal, Self, KeyLoc, C, |
5105 | &CXXRecordDecl::hasTrivialMoveAssignment, |
5106 | &CXXRecordDecl::hasNonTrivialMoveAssignment, |
5107 | &CXXMethodDecl::isMoveAssignmentOperator); |
5108 | return false; |
5109 | case UTT_HasNothrowCopy: |
5110 | |
5111 | |
5112 | |
5113 | |
5114 | |
5115 | if (T.isPODType(C) || T->isReferenceType() || T->isObjCLifetimeType()) |
5116 | return true; |
5117 | if (CXXRecordDecl *RD = T->getAsCXXRecordDecl()) { |
5118 | if (RD->hasTrivialCopyConstructor() && |
5119 | !RD->hasNonTrivialCopyConstructor()) |
5120 | return true; |
5121 | |
5122 | bool FoundConstructor = false; |
5123 | unsigned FoundTQs; |
5124 | for (const auto *ND : Self.LookupConstructors(RD)) { |
5125 | |
5126 | |
5127 | |
5128 | if (isa<FunctionTemplateDecl>(ND->getUnderlyingDecl())) |
5129 | continue; |
5130 | |
5131 | if (isa<UsingDecl>(ND)) |
5132 | continue; |
5133 | auto *Constructor = cast<CXXConstructorDecl>(ND->getUnderlyingDecl()); |
5134 | if (Constructor->isCopyConstructor(FoundTQs)) { |
5135 | FoundConstructor = true; |
5136 | auto *CPT = Constructor->getType()->castAs<FunctionProtoType>(); |
5137 | CPT = Self.ResolveExceptionSpec(KeyLoc, CPT); |
5138 | if (!CPT) |
5139 | return false; |
5140 | |
5141 | |
5142 | if (!CPT->isNothrow() || CPT->getNumParams() > 1) |
5143 | return false; |
5144 | } |
5145 | } |
5146 | |
5147 | return FoundConstructor; |
5148 | } |
5149 | return false; |
5150 | case UTT_HasNothrowConstructor: |
5151 | |
5152 | |
5153 | |
5154 | |
5155 | |
5156 | if (T.isPODType(C) || T->isObjCLifetimeType()) |
5157 | return true; |
5158 | if (CXXRecordDecl *RD = C.getBaseElementType(T)->getAsCXXRecordDecl()) { |
5159 | if (RD->hasTrivialDefaultConstructor() && |
5160 | !RD->hasNonTrivialDefaultConstructor()) |
5161 | return true; |
5162 | |
5163 | bool FoundConstructor = false; |
5164 | for (const auto *ND : Self.LookupConstructors(RD)) { |
5165 | |
5166 | if (isa<FunctionTemplateDecl>(ND->getUnderlyingDecl())) |
5167 | continue; |
5168 | |
5169 | if (isa<UsingDecl>(ND)) |
5170 | continue; |
5171 | auto *Constructor = cast<CXXConstructorDecl>(ND->getUnderlyingDecl()); |
5172 | if (Constructor->isDefaultConstructor()) { |
5173 | FoundConstructor = true; |
5174 | auto *CPT = Constructor->getType()->castAs<FunctionProtoType>(); |
5175 | CPT = Self.ResolveExceptionSpec(KeyLoc, CPT); |
5176 | if (!CPT) |
5177 | return false; |
5178 | |
5179 | |
5180 | if (!CPT->isNothrow() || CPT->getNumParams() > 0) |
5181 | return false; |
5182 | } |
5183 | } |
5184 | return FoundConstructor; |
5185 | } |
5186 | return false; |
5187 | case UTT_HasVirtualDestructor: |
5188 | |
5189 | |
5190 | |
5191 | if (CXXRecordDecl *RD = T->getAsCXXRecordDecl()) |
5192 | if (CXXDestructorDecl *Destructor = Self.LookupDestructor(RD)) |
5193 | return Destructor->isVirtual(); |
5194 | return false; |
5195 | |
5196 | |
5197 | |
5198 | |
5199 | case UTT_IsCompleteType: |
5200 | |
5201 | |
5202 | |
5203 | return !T->isIncompleteType(); |
5204 | case UTT_HasUniqueObjectRepresentations: |
5205 | return C.hasUniqueObjectRepresentations(T); |
5206 | } |
5207 | } |
5208 | |
5209 | static bool EvaluateBinaryTypeTrait(Sema &Self, TypeTrait BTT, QualType LhsT, |
5210 | QualType RhsT, SourceLocation KeyLoc); |
5211 | |
5212 | static bool evaluateTypeTrait(Sema &S, TypeTrait Kind, SourceLocation KWLoc, |
5213 | ArrayRef<TypeSourceInfo *> Args, |
5214 | SourceLocation RParenLoc) { |
5215 | if (Kind <= UTT_Last) |
5216 | return EvaluateUnaryTypeTrait(S, Kind, KWLoc, Args[0]->getType()); |
5217 | |
5218 | |
5219 | |
5220 | if (Kind <= BTT_Last && Kind != BTT_ReferenceBindsToTemporary) |
5221 | return EvaluateBinaryTypeTrait(S, Kind, Args[0]->getType(), |
5222 | Args[1]->getType(), RParenLoc); |
5223 | |
5224 | switch (Kind) { |
5225 | case clang::BTT_ReferenceBindsToTemporary: |
5226 | case clang::TT_IsConstructible: |
5227 | case clang::TT_IsNothrowConstructible: |
5228 | case clang::TT_IsTriviallyConstructible: { |
5229 | |
5230 | |
5231 | |
5232 | |
5233 | |
5234 | |
5235 | |
5236 | |
5237 | |
5238 | |
5239 | |
5240 | |
5241 | |
5242 | assert(!Args.empty()); |
5243 | |
5244 | |
5245 | |
5246 | |
5247 | for (const auto *TSI : Args) { |
5248 | QualType ArgTy = TSI->getType(); |
5249 | if (ArgTy->isVoidType() || ArgTy->isIncompleteArrayType()) |
5250 | continue; |
5251 | |
5252 | if (S.RequireCompleteType(KWLoc, ArgTy, |
5253 | diag::err_incomplete_type_used_in_type_trait_expr)) |
5254 | return false; |
5255 | } |
5256 | |
5257 | |
5258 | QualType T = Args[0]->getType(); |
5259 | if (T->isIncompleteType() || T->isFunctionType()) |
5260 | return false; |
5261 | |
5262 | |
5263 | CXXRecordDecl *RD = T->getAsCXXRecordDecl(); |
5264 | if (RD && RD->isAbstract()) |
5265 | return false; |
5266 | |
5267 | llvm::BumpPtrAllocator OpaqueExprAllocator; |
5268 | SmallVector<Expr *, 2> ArgExprs; |
5269 | ArgExprs.reserve(Args.size() - 1); |
5270 | for (unsigned I = 1, N = Args.size(); I != N; ++I) { |
5271 | QualType ArgTy = Args[I]->getType(); |
5272 | if (ArgTy->isObjectType() || ArgTy->isFunctionType()) |
5273 | ArgTy = S.Context.getRValueReferenceType(ArgTy); |
5274 | ArgExprs.push_back( |
5275 | new (OpaqueExprAllocator.Allocate<OpaqueValueExpr>()) |
5276 | OpaqueValueExpr(Args[I]->getTypeLoc().getBeginLoc(), |
5277 | ArgTy.getNonLValueExprType(S.Context), |
5278 | Expr::getValueKindForType(ArgTy))); |
5279 | } |
5280 | |
5281 | |
5282 | |
5283 | EnterExpressionEvaluationContext Unevaluated( |
5284 | S, Sema::ExpressionEvaluationContext::Unevaluated); |
5285 | Sema::SFINAETrap SFINAE(S, true); |
5286 | Sema::ContextRAII TUContext(S, S.Context.getTranslationUnitDecl()); |
5287 | InitializedEntity To(InitializedEntity::InitializeTemporary(Args[0])); |
5288 | InitializationKind InitKind(InitializationKind::CreateDirect(KWLoc, KWLoc, |
5289 | RParenLoc)); |
5290 | InitializationSequence Init(S, To, InitKind, ArgExprs); |
5291 | if (Init.Failed()) |
5292 | return false; |
5293 | |
5294 | ExprResult Result = Init.Perform(S, To, InitKind, ArgExprs); |
5295 | if (Result.isInvalid() || SFINAE.hasErrorOccurred()) |
5296 | return false; |
5297 | |
5298 | if (Kind == clang::TT_IsConstructible) |
5299 | return true; |
5300 | |
5301 | if (Kind == clang::BTT_ReferenceBindsToTemporary) { |
5302 | if (!T->isReferenceType()) |
5303 | return false; |
5304 | |
5305 | return !Init.isDirectReferenceBinding(); |
5306 | } |
5307 | |
5308 | if (Kind == clang::TT_IsNothrowConstructible) |
5309 | return S.canThrow(Result.get()) == CT_Cannot; |
5310 | |
5311 | if (Kind == clang::TT_IsTriviallyConstructible) { |
5312 | |
5313 | |
5314 | if (T.getNonReferenceType().hasNonTrivialObjCLifetime()) |
5315 | return false; |
5316 | |
5317 | |
5318 | |
5319 | return !Result.get()->hasNonTrivialCall(S.Context); |
5320 | } |
5321 | |
5322 | llvm_unreachable("unhandled type trait"); |
5323 | return false; |
5324 | } |
5325 | default: llvm_unreachable("not a TT"); |
5326 | } |
5327 | |
5328 | return false; |
5329 | } |
5330 | |
5331 | ExprResult Sema::BuildTypeTrait(TypeTrait Kind, SourceLocation KWLoc, |
5332 | ArrayRef<TypeSourceInfo *> Args, |
5333 | SourceLocation RParenLoc) { |
5334 | QualType ResultType = Context.getLogicalOperationType(); |
5335 | |
5336 | if (Kind <= UTT_Last && !CheckUnaryTypeTraitTypeCompleteness( |
5337 | *this, Kind, KWLoc, Args[0]->getType())) |
5338 | return ExprError(); |
5339 | |
5340 | bool Dependent = false; |
5341 | for (unsigned I = 0, N = Args.size(); I != N; ++I) { |
5342 | if (Args[I]->getType()->isDependentType()) { |
5343 | Dependent = true; |
5344 | break; |
5345 | } |
5346 | } |
5347 | |
5348 | bool Result = false; |
5349 | if (!Dependent) |
5350 | Result = evaluateTypeTrait(*this, Kind, KWLoc, Args, RParenLoc); |
5351 | |
5352 | return TypeTraitExpr::Create(Context, ResultType, KWLoc, Kind, Args, |
5353 | RParenLoc, Result); |
5354 | } |
5355 | |
5356 | ExprResult Sema::ActOnTypeTrait(TypeTrait Kind, SourceLocation KWLoc, |
5357 | ArrayRef<ParsedType> Args, |
5358 | SourceLocation RParenLoc) { |
5359 | SmallVector<TypeSourceInfo *, 4> ConvertedArgs; |
5360 | ConvertedArgs.reserve(Args.size()); |
5361 | |
5362 | for (unsigned I = 0, N = Args.size(); I != N; ++I) { |
5363 | TypeSourceInfo *TInfo; |
5364 | QualType T = GetTypeFromParser(Args[I], &TInfo); |
5365 | if (!TInfo) |
5366 | TInfo = Context.getTrivialTypeSourceInfo(T, KWLoc); |
5367 | |
5368 | ConvertedArgs.push_back(TInfo); |
5369 | } |
5370 | |
5371 | return BuildTypeTrait(Kind, KWLoc, ConvertedArgs, RParenLoc); |
5372 | } |
5373 | |
5374 | static bool EvaluateBinaryTypeTrait(Sema &Self, TypeTrait BTT, QualType LhsT, |
5375 | QualType RhsT, SourceLocation KeyLoc) { |
5376 | assert(!LhsT->isDependentType() && !RhsT->isDependentType() && |
5377 | "Cannot evaluate traits of dependent types"); |
5378 | |
5379 | switch(BTT) { |
5380 | case BTT_IsBaseOf: { |
5381 | |
5382 | |
5383 | |
5384 | |
5385 | |
5386 | const RecordType *lhsRecord = LhsT->getAs<RecordType>(); |
5387 | const RecordType *rhsRecord = RhsT->getAs<RecordType>(); |
5388 | if (!rhsRecord || !lhsRecord) { |
5389 | const ObjCObjectType *LHSObjTy = LhsT->getAs<ObjCObjectType>(); |
5390 | const ObjCObjectType *RHSObjTy = RhsT->getAs<ObjCObjectType>(); |
5391 | if (!LHSObjTy || !RHSObjTy) |
5392 | return false; |
5393 | |
5394 | ObjCInterfaceDecl *BaseInterface = LHSObjTy->getInterface(); |
5395 | ObjCInterfaceDecl *DerivedInterface = RHSObjTy->getInterface(); |
5396 | if (!BaseInterface || !DerivedInterface) |
5397 | return false; |
5398 | |
5399 | if (Self.RequireCompleteType( |
5400 | KeyLoc, RhsT, diag::err_incomplete_type_used_in_type_trait_expr)) |
5401 | return false; |
5402 | |
5403 | return BaseInterface->isSuperClassOf(DerivedInterface); |
5404 | } |
5405 | |
5406 | assert(Self.Context.hasSameUnqualifiedType(LhsT, RhsT) |
5407 | == (lhsRecord == rhsRecord)); |
5408 | |
5409 | |
5410 | |
5411 | if (lhsRecord && lhsRecord->getDecl()->isUnion()) |
5412 | return false; |
5413 | if (rhsRecord && rhsRecord->getDecl()->isUnion()) |
5414 | return false; |
5415 | |
5416 | if (lhsRecord == rhsRecord) |
5417 | return true; |
5418 | |
5419 | |
5420 | |
5421 | |
5422 | |
5423 | if (Self.RequireCompleteType(KeyLoc, RhsT, |
5424 | diag::err_incomplete_type_used_in_type_trait_expr)) |
5425 | return false; |
5426 | |
5427 | return cast<CXXRecordDecl>(rhsRecord->getDecl()) |
5428 | ->isDerivedFrom(cast<CXXRecordDecl>(lhsRecord->getDecl())); |
5429 | } |
5430 | case BTT_IsSame: |
5431 | return Self.Context.hasSameType(LhsT, RhsT); |
5432 | case BTT_TypeCompatible: { |
5433 | |
5434 | Qualifiers LhsQuals, RhsQuals; |
5435 | QualType Lhs = Self.getASTContext().getUnqualifiedArrayType(LhsT, LhsQuals); |
5436 | QualType Rhs = Self.getASTContext().getUnqualifiedArrayType(RhsT, RhsQuals); |
5437 | return Self.Context.typesAreCompatible(Lhs, Rhs); |
5438 | } |
5439 | case BTT_IsConvertible: |
5440 | case BTT_IsConvertibleTo: { |
5441 | |
5442 | |
5443 | |
5444 | |
5445 | |
5446 | |
5447 | |
5448 | |
5449 | |
5450 | |
5451 | |
5452 | |
5453 | |
5454 | |
5455 | |
5456 | |
5457 | |
5458 | |
5459 | |
5460 | |
5461 | |
5462 | |
5463 | |
5464 | |
5465 | |
5466 | |
5467 | if (RhsT->isFunctionType() || RhsT->isArrayType()) |
5468 | return false; |
5469 | |
5470 | |
5471 | if (RhsT->isVoidType()) |
5472 | return LhsT->isVoidType(); |
5473 | |
5474 | |
5475 | if (!Self.isCompleteType(KeyLoc, RhsT) || Self.isAbstractType(KeyLoc, RhsT)) |
5476 | return false; |
5477 | |
5478 | |
5479 | if (LhsT->isObjectType() || LhsT->isFunctionType()) |
5480 | LhsT = Self.Context.getRValueReferenceType(LhsT); |
5481 | |
5482 | |
5483 | InitializedEntity To(InitializedEntity::InitializeTemporary(RhsT)); |
5484 | OpaqueValueExpr From(KeyLoc, LhsT.getNonLValueExprType(Self.Context), |
5485 | Expr::getValueKindForType(LhsT)); |
5486 | Expr *FromPtr = &From; |
5487 | InitializationKind Kind(InitializationKind::CreateCopy(KeyLoc, |
5488 | SourceLocation())); |
5489 | |
5490 | |
5491 | |
5492 | EnterExpressionEvaluationContext Unevaluated( |
5493 | Self, Sema::ExpressionEvaluationContext::Unevaluated); |
5494 | Sema::SFINAETrap SFINAE(Self, true); |
5495 | Sema::ContextRAII TUContext(Self, Self.Context.getTranslationUnitDecl()); |
5496 | InitializationSequence Init(Self, To, Kind, FromPtr); |
5497 | if (Init.Failed()) |
5498 | return false; |
5499 | |
5500 | ExprResult Result = Init.Perform(Self, To, Kind, FromPtr); |
5501 | return !Result.isInvalid() && !SFINAE.hasErrorOccurred(); |
5502 | } |
5503 | |
5504 | case BTT_IsAssignable: |
5505 | case BTT_IsNothrowAssignable: |
5506 | case BTT_IsTriviallyAssignable: { |
5507 | |
5508 | |
5509 | |
5510 | |
5511 | |
5512 | |
5513 | |
5514 | |
5515 | |
5516 | |
5517 | |
5518 | if (!LhsT->isVoidType() && !LhsT->isIncompleteArrayType() && |
5519 | Self.RequireCompleteType(KeyLoc, LhsT, |
5520 | diag::err_incomplete_type_used_in_type_trait_expr)) |
5521 | return false; |
5522 | if (!RhsT->isVoidType() && !RhsT->isIncompleteArrayType() && |
5523 | Self.RequireCompleteType(KeyLoc, RhsT, |
5524 | diag::err_incomplete_type_used_in_type_trait_expr)) |
5525 | return false; |
5526 | |
5527 | |
5528 | if (LhsT->isVoidType() || RhsT->isVoidType()) |
5529 | return false; |
5530 | |
5531 | |
5532 | |
5533 | if (LhsT->isObjectType() || LhsT->isFunctionType()) |
5534 | LhsT = Self.Context.getRValueReferenceType(LhsT); |
5535 | if (RhsT->isObjectType() || RhsT->isFunctionType()) |
5536 | RhsT = Self.Context.getRValueReferenceType(RhsT); |
5537 | OpaqueValueExpr Lhs(KeyLoc, LhsT.getNonLValueExprType(Self.Context), |
5538 | Expr::getValueKindForType(LhsT)); |
5539 | OpaqueValueExpr Rhs(KeyLoc, RhsT.getNonLValueExprType(Self.Context), |
5540 | Expr::getValueKindForType(RhsT)); |
5541 | |
5542 | |
5543 | |
5544 | EnterExpressionEvaluationContext Unevaluated( |
5545 | Self, Sema::ExpressionEvaluationContext::Unevaluated); |
5546 | Sema::SFINAETrap SFINAE(Self, true); |
5547 | Sema::ContextRAII TUContext(Self, Self.Context.getTranslationUnitDecl()); |
5548 | ExprResult Result = Self.BuildBinOp(nullptr, KeyLoc, BO_Assign, &Lhs, |
5549 | &Rhs); |
5550 | if (Result.isInvalid()) |
5551 | return false; |
5552 | |
5553 | |
5554 | Self.CheckUnusedVolatileAssignment(Result.get()); |
5555 | |
5556 | if (SFINAE.hasErrorOccurred()) |
5557 | return false; |
5558 | |
5559 | if (BTT == BTT_IsAssignable) |
5560 | return true; |
5561 | |
5562 | if (BTT == BTT_IsNothrowAssignable) |
5563 | return Self.canThrow(Result.get()) == CT_Cannot; |
5564 | |
5565 | if (BTT == BTT_IsTriviallyAssignable) { |
5566 | |
5567 | |
5568 | if (LhsT.getNonReferenceType().hasNonTrivialObjCLifetime()) |
5569 | return false; |
5570 | |
5571 | return !Result.get()->hasNonTrivialCall(Self.Context); |
5572 | } |
5573 | |
5574 | llvm_unreachable("unhandled type trait"); |
5575 | return false; |
5576 | } |
5577 | default: llvm_unreachable("not a BTT"); |
5578 | } |
5579 | llvm_unreachable("Unknown type trait or not implemented"); |
5580 | } |
5581 | |
5582 | ExprResult Sema::ActOnArrayTypeTrait(ArrayTypeTrait ATT, |
5583 | SourceLocation KWLoc, |
5584 | ParsedType Ty, |
5585 | Expr* DimExpr, |
5586 | SourceLocation RParen) { |
5587 | TypeSourceInfo *TSInfo; |
5588 | QualType T = GetTypeFromParser(Ty, &TSInfo); |
5589 | if (!TSInfo) |
5590 | TSInfo = Context.getTrivialTypeSourceInfo(T); |
5591 | |
5592 | return BuildArrayTypeTrait(ATT, KWLoc, TSInfo, DimExpr, RParen); |
5593 | } |
5594 | |
5595 | static uint64_t EvaluateArrayTypeTrait(Sema &Self, ArrayTypeTrait ATT, |
5596 | QualType T, Expr *DimExpr, |
5597 | SourceLocation KeyLoc) { |
5598 | assert(!T->isDependentType() && "Cannot evaluate traits of dependent type"); |
5599 | |
5600 | switch(ATT) { |
5601 | case ATT_ArrayRank: |
5602 | if (T->isArrayType()) { |
5603 | unsigned Dim = 0; |
5604 | while (const ArrayType *AT = Self.Context.getAsArrayType(T)) { |
5605 | ++Dim; |
5606 | T = AT->getElementType(); |
5607 | } |
5608 | return Dim; |
5609 | } |
5610 | return 0; |
5611 | |
5612 | case ATT_ArrayExtent: { |
5613 | llvm::APSInt Value; |
5614 | uint64_t Dim; |
5615 | if (Self.VerifyIntegerConstantExpression( |
5616 | DimExpr, &Value, diag::err_dimension_expr_not_constant_integer) |
5617 | .isInvalid()) |
5618 | return 0; |
5619 | if (Value.isSigned() && Value.isNegative()) { |
5620 | Self.Diag(KeyLoc, diag::err_dimension_expr_not_constant_integer) |
5621 | << DimExpr->getSourceRange(); |
5622 | return 0; |
5623 | } |
5624 | Dim = Value.getLimitedValue(); |
5625 | |
5626 | if (T->isArrayType()) { |
5627 | unsigned D = 0; |
5628 | bool Matched = false; |
5629 | while (const ArrayType *AT = Self.Context.getAsArrayType(T)) { |
5630 | if (Dim == D) { |
5631 | Matched = true; |
5632 | break; |
5633 | } |
5634 | ++D; |
5635 | T = AT->getElementType(); |
5636 | } |
5637 | |
5638 | if (Matched && T->isArrayType()) { |
5639 | if (const ConstantArrayType *CAT = Self.Context.getAsConstantArrayType(T)) |
5640 | return CAT->getSize().getLimitedValue(); |
5641 | } |
5642 | } |
5643 | return 0; |
5644 | } |
5645 | } |
5646 | llvm_unreachable("Unknown type trait or not implemented"); |
5647 | } |
5648 | |
5649 | ExprResult Sema::BuildArrayTypeTrait(ArrayTypeTrait ATT, |
5650 | SourceLocation KWLoc, |
5651 | TypeSourceInfo *TSInfo, |
5652 | Expr* DimExpr, |
5653 | SourceLocation RParen) { |
5654 | QualType T = TSInfo->getType(); |
5655 | |
5656 | |
5657 | |
5658 | uint64_t Value = 0; |
5659 | if (!T->isDependentType()) |
5660 | Value = EvaluateArrayTypeTrait(*this, ATT, T, DimExpr, KWLoc); |
5661 | |
5662 | |
5663 | |
5664 | |
5665 | |
5666 | |
5667 | return new (Context) ArrayTypeTraitExpr(KWLoc, ATT, TSInfo, Value, DimExpr, |
5668 | RParen, Context.getSizeType()); |
5669 | } |
5670 | |
5671 | ExprResult Sema::ActOnExpressionTrait(ExpressionTrait ET, |
5672 | SourceLocation KWLoc, |
5673 | Expr *Queried, |
5674 | SourceLocation RParen) { |
5675 | |
5676 | if (!Queried) |
5677 | return ExprError(); |
5678 | |
5679 | ExprResult Result = BuildExpressionTrait(ET, KWLoc, Queried, RParen); |
5680 | |
5681 | return Result; |
5682 | } |
5683 | |
5684 | static bool EvaluateExpressionTrait(ExpressionTrait ET, Expr *E) { |
5685 | switch (ET) { |
5686 | case ET_IsLValueExpr: return E->isLValue(); |
5687 | case ET_IsRValueExpr: |
5688 | return E->isPRValue(); |
5689 | } |
5690 | llvm_unreachable("Expression trait not covered by switch"); |
5691 | } |
5692 | |
5693 | ExprResult Sema::BuildExpressionTrait(ExpressionTrait ET, |
5694 | SourceLocation KWLoc, |
5695 | Expr *Queried, |
5696 | SourceLocation RParen) { |
5697 | if (Queried->isTypeDependent()) { |
5698 | |
5699 | } else if (Queried->getType()->isPlaceholderType()) { |
5700 | ExprResult PE = CheckPlaceholderExpr(Queried); |
5701 | if (PE.isInvalid()) return ExprError(); |
5702 | return BuildExpressionTrait(ET, KWLoc, PE.get(), RParen); |
5703 | } |
5704 | |
5705 | bool Value = EvaluateExpressionTrait(ET, Queried); |
5706 | |
5707 | return new (Context) |
5708 | ExpressionTraitExpr(KWLoc, ET, Queried, Value, RParen, Context.BoolTy); |
5709 | } |
5710 | |
5711 | QualType Sema::CheckPointerToMemberOperands(ExprResult &LHS, ExprResult &RHS, |
5712 | ExprValueKind &VK, |
5713 | SourceLocation Loc, |
5714 | bool isIndirect) { |
5715 | assert(!LHS.get()->getType()->isPlaceholderType() && |
5716 | !RHS.get()->getType()->isPlaceholderType() && |
5717 | "placeholders should have been weeded out by now"); |
5718 | |
5719 | |
5720 | |
5721 | if (isIndirect) |
5722 | LHS = DefaultLvalueConversion(LHS.get()); |
5723 | else if (LHS.get()->isPRValue()) |
5724 | LHS = TemporaryMaterializationConversion(LHS.get()); |
5725 | if (LHS.isInvalid()) |
5726 | return QualType(); |
5727 | |
5728 | |
5729 | RHS = DefaultLvalueConversion(RHS.get()); |
5730 | if (RHS.isInvalid()) return QualType(); |
5731 | |
5732 | const char *OpSpelling = isIndirect ? "->*" : ".*"; |
5733 | |
5734 | |
5735 | |
5736 | |
5737 | QualType RHSType = RHS.get()->getType(); |
5738 | const MemberPointerType *MemPtr = RHSType->getAs<MemberPointerType>(); |
5739 | if (!MemPtr) { |
5740 | Diag(Loc, diag::err_bad_memptr_rhs) |
5741 | << OpSpelling << RHSType << RHS.get()->getSourceRange(); |
5742 | return QualType(); |
5743 | } |
5744 | |
5745 | QualType Class(MemPtr->getClass(), 0); |
5746 | |
5747 | |
5748 | |
5749 | |
5750 | |
5751 | |
5752 | |
5753 | |
5754 | |
5755 | |
5756 | |
5757 | QualType LHSType = LHS.get()->getType(); |
5758 | if (isIndirect) { |
5759 | if (const PointerType *Ptr = LHSType->getAs<PointerType>()) |
5760 | LHSType = Ptr->getPointeeType(); |
5761 | else { |
5762 | Diag(Loc, diag::err_bad_memptr_lhs) |
5763 | << OpSpelling << 1 << LHSType |
5764 | << FixItHint::CreateReplacement(SourceRange(Loc), ".*"); |
5765 | return QualType(); |
5766 | } |
5767 | } |
5768 | |
5769 | if (!Context.hasSameUnqualifiedType(Class, LHSType)) { |
5770 | |
5771 | if (RequireCompleteType(Loc, LHSType, diag::err_bad_memptr_lhs, |
5772 | OpSpelling, (int)isIndirect)) { |
5773 | return QualType(); |
5774 | } |
5775 | |
5776 | if (!IsDerivedFrom(Loc, LHSType, Class)) { |
5777 | Diag(Loc, diag::err_bad_memptr_lhs) << OpSpelling |
5778 | << (int)isIndirect << LHS.get()->getType(); |
5779 | return QualType(); |
5780 | } |
5781 | |
5782 | CXXCastPath BasePath; |
5783 | if (CheckDerivedToBaseConversion( |
5784 | LHSType, Class, Loc, |
5785 | SourceRange(LHS.get()->getBeginLoc(), RHS.get()->getEndLoc()), |
5786 | &BasePath)) |
5787 | return QualType(); |
5788 | |
5789 | |
5790 | QualType UseType = Context.getQualifiedType(Class, LHSType.getQualifiers()); |
5791 | if (isIndirect) |
5792 | UseType = Context.getPointerType(UseType); |
5793 | ExprValueKind VK = isIndirect ? VK_PRValue : LHS.get()->getValueKind(); |
5794 | LHS = ImpCastExprToType(LHS.get(), UseType, CK_DerivedToBase, VK, |
5795 | &BasePath); |
5796 | } |
5797 | |
5798 | if (isa<CXXScalarValueInitExpr>(RHS.get()->IgnoreParens())) { |
5799 | |
5800 | |
5801 | Diag(Loc, diag::err_pointer_to_member_type) << isIndirect; |
5802 | return QualType(); |
5803 | } |
5804 | |
5805 | |
5806 | |
5807 | |
5808 | |
5809 | |
5810 | QualType Result = MemPtr->getPointeeType(); |
5811 | Result = Context.getCVRQualifiedType(Result, LHSType.getCVRQualifiers()); |
5812 | |
5813 | |
5814 | |
5815 | |
5816 | |
5817 | |
5818 | |
5819 | if (const FunctionProtoType *Proto = Result->getAs<FunctionProtoType>()) { |
5820 | switch (Proto->getRefQualifier()) { |
5821 | case RQ_None: |
5822 | |
5823 | break; |
5824 | |
5825 | case RQ_LValue: |
5826 | if (!isIndirect && !LHS.get()->Classify(Context).isLValue()) { |
5827 | |
5828 | |
5829 | if (Proto->isConst() && !Proto->isVolatile()) |
5830 | Diag(Loc, getLangOpts().CPlusPlus20 |
5831 | ? diag::warn_cxx17_compat_pointer_to_const_ref_member_on_rvalue |
5832 | : diag::ext_pointer_to_const_ref_member_on_rvalue); |
5833 | else |
5834 | Diag(Loc, diag::err_pointer_to_member_oper_value_classify) |
5835 | << RHSType << 1 << LHS.get()->getSourceRange(); |
5836 | } |
5837 | break; |
5838 | |
5839 | case RQ_RValue: |
5840 | if (isIndirect || !LHS.get()->Classify(Context).isRValue()) |
5841 | Diag(Loc, diag::err_pointer_to_member_oper_value_classify) |
5842 | << RHSType << 0 << LHS.get()->getSourceRange(); |
5843 | break; |
5844 | } |
5845 | } |
5846 | |
5847 | |
5848 | |
5849 | |
5850 | |
5851 | |
5852 | |
5853 | |
5854 | if (Result->isFunctionType()) { |
5855 | VK = VK_PRValue; |
5856 | return Context.BoundMemberTy; |
5857 | } else if (isIndirect) { |
5858 | VK = VK_LValue; |
5859 | } else { |
5860 | VK = LHS.get()->getValueKind(); |
5861 | } |
5862 | |
5863 | return Result; |
5864 | } |
5865 | |
5866 | |
5867 | |
5868 | |
5869 | |
5870 | |
5871 | |
5872 | |
5873 | static bool TryClassUnification(Sema &Self, Expr *From, Expr *To, |
5874 | SourceLocation QuestionLoc, |
5875 | bool &HaveConversion, |
5876 | QualType &ToType) { |
5877 | HaveConversion = false; |
5878 | ToType = To->getType(); |
5879 | |
5880 | InitializationKind Kind = |
5881 | InitializationKind::CreateCopy(To->getBeginLoc(), SourceLocation()); |
5882 | |
5883 | |
5884 | |
5885 | |
5886 | |
5887 | |
5888 | |
5889 | |
5890 | |
5891 | |
5892 | |
5893 | if (To->isLValue() || To->isXValue()) { |
5894 | QualType T = To->isLValue() ? Self.Context.getLValueReferenceType(ToType) |
5895 | : Self.Context.getRValueReferenceType(ToType); |
5896 | |
5897 | InitializedEntity Entity = InitializedEntity::InitializeTemporary(T); |
5898 | |
5899 | InitializationSequence InitSeq(Self, Entity, Kind, From); |
5900 | if (InitSeq.isDirectReferenceBinding()) { |
5901 | ToType = T; |
5902 | HaveConversion = true; |
5903 | return false; |
5904 | } |
5905 | |
5906 | if (InitSeq.isAmbiguous()) |
5907 | return InitSeq.Diagnose(Self, Entity, Kind, From); |
5908 | } |
5909 | |
5910 | |
5911 | |
5912 | |
5913 | QualType FTy = From->getType(); |
5914 | QualType TTy = To->getType(); |
5915 | const RecordType *FRec = FTy->getAs<RecordType>(); |
5916 | const RecordType *TRec = TTy->getAs<RecordType>(); |
5917 | bool FDerivedFromT = FRec && TRec && FRec != TRec && |
5918 | Self.IsDerivedFrom(QuestionLoc, FTy, TTy); |
5919 | if (FRec && TRec && (FRec == TRec || FDerivedFromT || |
5920 | Self.IsDerivedFrom(QuestionLoc, TTy, FTy))) { |
5921 | |
5922 | |
5923 | |
5924 | if (FRec == TRec || FDerivedFromT) { |
5925 | if (TTy.isAtLeastAsQualifiedAs(FTy)) { |
5926 | InitializedEntity Entity = InitializedEntity::InitializeTemporary(TTy); |
5927 | InitializationSequence InitSeq(Self, Entity, Kind, From); |
5928 | if (InitSeq) { |
5929 | HaveConversion = true; |
5930 | return false; |
5931 | } |
5932 | |
5933 | if (InitSeq.isAmbiguous()) |
5934 | return InitSeq.Diagnose(Self, Entity, Kind, From); |
5935 | } |
5936 | } |
5937 | |
5938 | return false; |
5939 | } |
5940 | |
5941 | |
5942 | |
5943 | |
5944 | |
5945 | |
5946 | |
5947 | |
5948 | TTy = TTy.getNonLValueExprType(Self.Context); |
5949 | |
5950 | InitializedEntity Entity = InitializedEntity::InitializeTemporary(TTy); |
5951 | InitializationSequence InitSeq(Self, Entity, Kind, From); |
5952 | HaveConversion = !InitSeq.Failed(); |
5953 | ToType = TTy; |
5954 | if (InitSeq.isAmbiguous()) |
5955 | return InitSeq.Diagnose(Self, Entity, Kind, From); |
5956 | |
5957 | return false; |
5958 | } |
5959 | |
5960 | |
5961 | |
5962 | |
5963 | |
5964 | |
5965 | static bool FindConditionalOverload(Sema &Self, ExprResult &LHS, ExprResult &RHS, |
5966 | SourceLocation QuestionLoc) { |
5967 | Expr *Args[2] = { LHS.get(), RHS.get() }; |
5968 | OverloadCandidateSet CandidateSet(QuestionLoc, |
5969 | OverloadCandidateSet::CSK_Operator); |
5970 | Self.AddBuiltinOperatorCandidates(OO_Conditional, QuestionLoc, Args, |
5971 | CandidateSet); |
5972 | |
5973 | OverloadCandidateSet::iterator Best; |
5974 | switch (CandidateSet.BestViableFunction(Self, QuestionLoc, Best)) { |
5975 | case OR_Success: { |
5976 | |
5977 | ExprResult LHSRes = Self.PerformImplicitConversion( |
5978 | LHS.get(), Best->BuiltinParamTypes[0], Best->Conversions[0], |
5979 | Sema::AA_Converting); |
5980 | if (LHSRes.isInvalid()) |
5981 | break; |
5982 | LHS = LHSRes; |
5983 | |
5984 | ExprResult RHSRes = Self.PerformImplicitConversion( |
5985 | RHS.get(), Best->BuiltinParamTypes[1], Best->Conversions[1], |
5986 | Sema::AA_Converting); |
5987 | if (RHSRes.isInvalid()) |
5988 | break; |
5989 | RHS = RHSRes; |
5990 | if (Best->Function) |
5991 | Self.MarkFunctionReferenced(QuestionLoc, Best->Function); |
5992 | return false; |
5993 | } |
5994 | |
5995 | case OR_No_Viable_Function: |
5996 | |
5997 | |
5998 | |
5999 | |
6000 | if (Self.DiagnoseConditionalForNull(LHS.get(), RHS.get(), QuestionLoc)) |
6001 | return true; |
6002 | |
6003 | Self.Diag(QuestionLoc, diag::err_typecheck_cond_incompatible_operands) |
6004 | << LHS.get()->getType() << RHS.get()->getType() |
6005 | << LHS.get()->getSourceRange() << RHS.get()->getSourceRange(); |
6006 | return true; |
6007 | |
6008 | case OR_Ambiguous: |
6009 | Self.Diag(QuestionLoc, diag::err_conditional_ambiguous_ovl) |
6010 | << LHS.get()->getType() << RHS.get()->getType() |
6011 | << LHS.get()->getSourceRange() << RHS.get()->getSourceRange(); |
6012 | |
6013 | |
6014 | break; |
6015 | |
6016 | case OR_Deleted: |
6017 | llvm_unreachable("Conditional operator has only built-in overloads"); |
6018 | } |
6019 | return true; |
6020 | } |
6021 | |
6022 | |
6023 | |
6024 | static bool ConvertForConditional(Sema &Self, ExprResult &E, QualType T) { |
6025 | InitializedEntity Entity = InitializedEntity::InitializeTemporary(T); |
6026 | InitializationKind Kind = |
6027 | InitializationKind::CreateCopy(E.get()->getBeginLoc(), SourceLocation()); |
6028 | Expr *Arg = E.get(); |
6029 | InitializationSequence InitSeq(Self, Entity, Kind, Arg); |
6030 | ExprResult Result = InitSeq.Perform(Self, Entity, Kind, Arg); |
6031 | if (Result.isInvalid()) |
6032 | return true; |
6033 | |
6034 | E = Result; |
6035 | return false; |
6036 | } |
6037 | |
6038 | |
6039 | |
6040 | static bool isValidVectorForConditionalCondition(ASTContext &Ctx, |
6041 | QualType CondTy) { |
6042 | if (!CondTy->isVectorType() && !CondTy->isExtVectorType()) |
6043 | return false; |
6044 | const QualType EltTy = |
6045 | cast<VectorType>(CondTy.getCanonicalType())->getElementType(); |
6046 | assert(!EltTy->isBooleanType() && !EltTy->isEnumeralType() && |
6047 | "Vectors cant be boolean or enum types"); |
6048 | return EltTy->isIntegralType(Ctx); |
6049 | } |
6050 | |
6051 | QualType Sema::CheckVectorConditionalTypes(ExprResult &Cond, ExprResult &LHS, |
6052 | ExprResult &RHS, |
6053 | SourceLocation QuestionLoc) { |
6054 | LHS = DefaultFunctionArrayLvalueConversion(LHS.get()); |
6055 | RHS = DefaultFunctionArrayLvalueConversion(RHS.get()); |
6056 | |
6057 | QualType CondType = Cond.get()->getType(); |
6058 | const auto *CondVT = CondType->castAs<VectorType>(); |
6059 | QualType CondElementTy = CondVT->getElementType(); |
6060 | unsigned CondElementCount = CondVT->getNumElements(); |
6061 | QualType LHSType = LHS.get()->getType(); |
6062 | const auto *LHSVT = LHSType->getAs<VectorType>(); |
6063 | QualType RHSType = RHS.get()->getType(); |
6064 | const auto *RHSVT = RHSType->getAs<VectorType>(); |
6065 | |
6066 | QualType ResultType; |
6067 | |
6068 | |
6069 | if (LHSVT && RHSVT) { |
6070 | if (isa<ExtVectorType>(CondVT) != isa<ExtVectorType>(LHSVT)) { |
6071 | Diag(QuestionLoc, diag::err_conditional_vector_cond_result_mismatch) |
6072 | << isa<ExtVectorType>(CondVT); |
6073 | return {}; |
6074 | } |
6075 | |
6076 | |
6077 | if (!Context.hasSameType(LHSType, RHSType)) { |
6078 | Diag(QuestionLoc, diag::err_conditional_vector_mismatched) |
6079 | << LHSType << RHSType; |
6080 | return {}; |
6081 | } |
6082 | ResultType = LHSType; |
6083 | } else if (LHSVT || RHSVT) { |
6084 | ResultType = CheckVectorOperands( |
6085 | LHS, RHS, QuestionLoc, false, true, |
6086 | false); |
6087 | if (ResultType.isNull()) |
6088 | return {}; |
6089 | } else { |
6090 | |
6091 | QualType ResultElementTy; |
6092 | LHSType = LHSType.getCanonicalType().getUnqualifiedType(); |
6093 | RHSType = RHSType.getCanonicalType().getUnqualifiedType(); |
6094 | |
6095 | if (Context.hasSameType(LHSType, RHSType)) |
6096 | ResultElementTy = LHSType; |
6097 | else |
6098 | ResultElementTy = |
6099 | UsualArithmeticConversions(LHS, RHS, QuestionLoc, ACK_Conditional); |
6100 | |
6101 | if (ResultElementTy->isEnumeralType()) { |
6102 | Diag(QuestionLoc, diag::err_conditional_vector_operand_type) |
6103 | << ResultElementTy; |
6104 | return {}; |
6105 | } |
6106 | if (CondType->isExtVectorType()) |
6107 | ResultType = |
6108 | Context.getExtVectorType(ResultElementTy, CondVT->getNumElements()); |
6109 | else |
6110 | ResultType = Context.getVectorType( |
6111 | ResultElementTy, CondVT->getNumElements(), VectorType::GenericVector); |
6112 | |
6113 | LHS = ImpCastExprToType(LHS.get(), ResultType, CK_VectorSplat); |
6114 | RHS = ImpCastExprToType(RHS.get(), ResultType, CK_VectorSplat); |
6115 | } |
6116 | |
6117 | assert(!ResultType.isNull() && ResultType->isVectorType() && |
6118 | (!CondType->isExtVectorType() || ResultType->isExtVectorType()) && |
6119 | "Result should have been a vector type"); |
6120 | auto *ResultVectorTy = ResultType->castAs<VectorType>(); |
6121 | QualType ResultElementTy = ResultVectorTy->getElementType(); |
6122 | unsigned ResultElementCount = ResultVectorTy->getNumElements(); |
6123 | |
6124 | if (ResultElementCount != CondElementCount) { |
6125 | Diag(QuestionLoc, diag::err_conditional_vector_size) << CondType |
6126 | << ResultType; |
6127 | return {}; |
6128 | } |
6129 | |
6130 | if (Context.getTypeSize(ResultElementTy) != |
6131 | Context.getTypeSize(CondElementTy)) { |
6132 | Diag(QuestionLoc, diag::err_conditional_vector_element_size) << CondType |
6133 | << ResultType; |
6134 | return {}; |
6135 | } |
6136 | |
6137 | return ResultType; |
6138 | } |
6139 | |
6140 | |
6141 | |
6142 | |
6143 | |
6144 | |
6145 | |
6146 | |
6147 | |
6148 | |
6149 | |
6150 | |
6151 | |
6152 | |
6153 | |
6154 | |
6155 | |
6156 | |
6157 | |
6158 | |
6159 | |
6160 | QualType Sema::CXXCheckConditionalOperands(ExprResult &Cond, ExprResult &LHS, |
6161 | ExprResult &RHS, ExprValueKind &VK, |
6162 | ExprObjectKind &OK, |
6163 | SourceLocation QuestionLoc) { |
6164 | |
6165 | |
6166 | |
6167 | |
6168 | VK = VK_PRValue; |
6169 | OK = OK_Ordinary; |
6170 | bool IsVectorConditional = |
6171 | isValidVectorForConditionalCondition(Context, Cond.get()->getType()); |
6172 | |
6173 | |
6174 | |
6175 | if (!Cond.get()->isTypeDependent()) { |
6176 | ExprResult CondRes = IsVectorConditional |
6177 | ? DefaultFunctionArrayLvalueConversion(Cond.get()) |
6178 | : CheckCXXBooleanCondition(Cond.get()); |
6179 | if (CondRes.isInvalid()) |
6180 | return QualType(); |
6181 | Cond = CondRes; |
6182 | } else { |
6183 | |
6184 | |
6185 | |
6186 | |
6187 | |
6188 | return Context.DependentTy; |
6189 | } |
6190 | |
6191 | |
6192 | |
6193 | if (LHS.get()->isTypeDependent() || RHS.get()->isTypeDependent()) |
6194 | return Context.DependentTy; |
6195 | |
6196 | |
6197 | |
6198 | QualType LTy = LHS.get()->getType(); |
6199 | QualType RTy = RHS.get()->getType(); |
6200 | bool LVoid = LTy->isVoidType(); |
6201 | bool RVoid = RTy->isVoidType(); |
6202 | if (LVoid || RVoid) { |
6203 | |
6204 | |
6205 | |
6206 | |
6207 | bool LThrow = isa<CXXThrowExpr>(LHS.get()->IgnoreParenImpCasts()); |
6208 | bool RThrow = isa<CXXThrowExpr>(RHS.get()->IgnoreParenImpCasts()); |
6209 | |
6210 | |
6211 | if (IsVectorConditional) { |
6212 | SourceRange DiagLoc = |
6213 | LVoid ? LHS.get()->getSourceRange() : RHS.get()->getSourceRange(); |
6214 | bool IsThrow = LVoid ? LThrow : RThrow; |
6215 | Diag(DiagLoc.getBegin(), diag::err_conditional_vector_has_void) |
6216 | << DiagLoc << IsThrow; |
6217 | return QualType(); |
6218 | } |
6219 | |
6220 | if (LThrow != RThrow) { |
6221 | Expr *NonThrow = LThrow ? RHS.get() : LHS.get(); |
6222 | VK = NonThrow->getValueKind(); |
6223 | |
6224 | |
6225 | OK = NonThrow->getObjectKind(); |
6226 | return NonThrow->getType(); |
6227 | } |
6228 | |
6229 | |
6230 | |
6231 | if (LVoid && RVoid) |
6232 | return Context.VoidTy; |
6233 | |
6234 | |
6235 | Diag(QuestionLoc, diag::err_conditional_void_nonvoid) |
6236 | << (LVoid ? RTy : LTy) << (LVoid ? 0 : 1) |
6237 | << LHS.get()->getSourceRange() << RHS.get()->getSourceRange(); |
6238 | return QualType(); |
6239 | } |
6240 | |
6241 | |
6242 | if (IsVectorConditional) |
6243 | return CheckVectorConditionalTypes(Cond, LHS, RHS, QuestionLoc); |
6244 | |
6245 | |
6246 | |
6247 | |
6248 | |
6249 | if (!Context.hasSameType(LTy, RTy) && |
6250 | (LTy->isRecordType() || RTy->isRecordType())) { |
6251 | |
6252 | QualType L2RType, R2LType; |
6253 | bool HaveL2R, HaveR2L; |
6254 | if (TryClassUnification(*this, LHS.get(), RHS.get(), QuestionLoc, HaveL2R, L2RType)) |
6255 | return QualType(); |
6256 | if (TryClassUnification(*this, RHS.get(), LHS.get(), QuestionLoc, HaveR2L, R2LType)) |
6257 | return QualType(); |
6258 | |
6259 | |
6260 | if (HaveL2R && HaveR2L) { |
6261 | Diag(QuestionLoc, diag::err_conditional_ambiguous) |
6262 | << LTy << RTy << LHS.get()->getSourceRange() << RHS.get()->getSourceRange(); |
6263 | return QualType(); |
6264 | } |
6265 | |
6266 | |
6267 | |
6268 | |
6269 | if (HaveL2R) { |
6270 | if (ConvertForConditional(*this, LHS, L2RType) || LHS.isInvalid()) |
6271 | return QualType(); |
6272 | LTy = LHS.get()->getType(); |
6273 | } else if (HaveR2L) { |
6274 | if (ConvertForConditional(*this, RHS, R2LType) || RHS.isInvalid()) |
6275 | return QualType(); |
6276 | RTy = RHS.get()->getType(); |
6277 | } |
6278 | } |
6279 | |
6280 | |
6281 | |
6282 | |
6283 | |
6284 | |
6285 | |
6286 | |
6287 | |
6288 | |
6289 | |
6290 | |
6291 | ExprValueKind LVK = LHS.get()->getValueKind(); |
6292 | ExprValueKind RVK = RHS.get()->getValueKind(); |
6293 | if (!Context.hasSameType(LTy, RTy) && LVK == RVK && LVK != VK_PRValue) { |
6294 | |
6295 | |
6296 | const ReferenceConversions AllowedConversions = |
6297 | ReferenceConversions::Qualification | |
6298 | ReferenceConversions::NestedQualification | |
6299 | ReferenceConversions::Function; |
6300 | |
6301 | ReferenceConversions RefConv; |
6302 | if (CompareReferenceRelationship(QuestionLoc, LTy, RTy, &RefConv) == |
6303 | Ref_Compatible && |
6304 | !(RefConv & ~AllowedConversions) && |
6305 | |
6306 | |
6307 | !RHS.get()->refersToBitField() && !RHS.get()->refersToVectorElement()) { |
6308 | RHS = ImpCastExprToType(RHS.get(), LTy, CK_NoOp, RVK); |
6309 | RTy = RHS.get()->getType(); |
6310 | } else if (CompareReferenceRelationship(QuestionLoc, RTy, LTy, &RefConv) == |
6311 | Ref_Compatible && |
6312 | !(RefConv & ~AllowedConversions) && |
6313 | !LHS.get()->refersToBitField() && |
6314 | !LHS.get()->refersToVectorElement()) { |
6315 | LHS = ImpCastExprToType(LHS.get(), RTy, CK_NoOp, LVK); |
6316 | LTy = LHS.get()->getType(); |
6317 | } |
6318 | } |
6319 | |
6320 | |
6321 | |
6322 | |
6323 | |
6324 | |
6325 | |
6326 | |
6327 | bool Same = Context.hasSameType(LTy, RTy); |
6328 | if (Same && LVK == RVK && LVK != VK_PRValue && |
6329 | LHS.get()->isOrdinaryOrBitFieldObject() && |
6330 | RHS.get()->isOrdinaryOrBitFieldObject()) { |
6331 | VK = LHS.get()->getValueKind(); |
6332 | if (LHS.get()->getObjectKind() == OK_BitField || |
6333 | RHS.get()->getObjectKind() == OK_BitField) |
6334 | OK = OK_BitField; |
6335 | |
6336 | |
6337 | |
6338 | if (LTy->isFunctionPointerType() || LTy->isMemberFunctionPointerType()) { |
6339 | Qualifiers Qs = LTy.getQualifiers(); |
6340 | LTy = FindCompositePointerType(QuestionLoc, LHS, RHS, |
6341 | false); |
6342 | LTy = Context.getQualifiedType(LTy, Qs); |
6343 | |
6344 | assert(!LTy.isNull() && "failed to find composite pointer type for " |
6345 | "canonically equivalent function ptr types"); |
6346 | assert(Context.hasSameType(LTy, RTy) && "bad composite pointer type"); |
6347 | } |
6348 | |
6349 | return LTy; |
6350 | } |
6351 | |
6352 | |
6353 | |
6354 | |
6355 | if (!Same && (LTy->isRecordType() || RTy->isRecordType())) { |
6356 | |
6357 | |
6358 | |
6359 | if (FindConditionalOverload(*this, LHS, RHS, QuestionLoc)) |
6360 | return QualType(); |
6361 | } |
6362 | |
6363 | |
6364 | |
6365 | |
6366 | LHS = DefaultFunctionArrayLvalueConversion(LHS.get()); |
6367 | RHS = DefaultFunctionArrayLvalueConversion(RHS.get()); |
6368 | if (LHS.isInvalid() || RHS.isInvalid()) |
6369 | return QualType(); |
6370 | LTy = LHS.get()->getType(); |
6371 | RTy = RHS.get()->getType(); |
6372 | |
6373 | |
6374 | |
6375 | |
6376 | |
6377 | |
6378 | |
6379 | if (Context.getCanonicalType(LTy) == Context.getCanonicalType(RTy)) { |
6380 | if (LTy->isRecordType()) { |
6381 | |
6382 | InitializedEntity Entity = InitializedEntity::InitializeTemporary(LTy); |
6383 | |
6384 | ExprResult LHSCopy = PerformCopyInitialization(Entity, |
6385 | SourceLocation(), |
6386 | LHS); |
6387 | if (LHSCopy.isInvalid()) |
6388 | return QualType(); |
6389 | |
6390 | ExprResult RHSCopy = PerformCopyInitialization(Entity, |
6391 | SourceLocation(), |
6392 | RHS); |
6393 | if (RHSCopy.isInvalid()) |
6394 | return QualType(); |
6395 | |
6396 | LHS = LHSCopy; |
6397 | RHS = RHSCopy; |
6398 | } |
6399 | |
6400 | |
6401 | |
6402 | if (LTy->isFunctionPointerType() || LTy->isMemberFunctionPointerType()) { |
6403 | LTy = FindCompositePointerType(QuestionLoc, LHS, RHS); |
6404 | assert(!LTy.isNull() && "failed to find composite pointer type for " |
6405 | "canonically equivalent function ptr types"); |
6406 | } |
6407 | |
6408 | return LTy; |
6409 | } |
6410 | |
6411 | |
6412 | if (LTy->isVectorType() || RTy->isVectorType()) |
6413 | return CheckVectorOperands(LHS, RHS, QuestionLoc, false, |
6414 | true, |
6415 | false); |
6416 | |
6417 | |
6418 | |
6419 | |
6420 | if (LTy->isArithmeticType() && RTy->isArithmeticType()) { |
6421 | QualType ResTy = |
6422 | UsualArithmeticConversions(LHS, RHS, QuestionLoc, ACK_Conditional); |
6423 | if (LHS.isInvalid() || RHS.isInvalid()) |
6424 | return QualType(); |
6425 | if (ResTy.isNull()) { |
6426 | Diag(QuestionLoc, |
6427 | diag::err_typecheck_cond_incompatible_operands) << LTy << RTy |
6428 | << LHS.get()->getSourceRange() << RHS.get()->getSourceRange(); |
6429 | return QualType(); |
6430 | } |
6431 | |
6432 | LHS = ImpCastExprToType(LHS.get(), ResTy, PrepareScalarCast(LHS, ResTy)); |
6433 | RHS = ImpCastExprToType(RHS.get(), ResTy, PrepareScalarCast(RHS, ResTy)); |
6434 | |
6435 | return ResTy; |
6436 | } |
6437 | |
6438 | |
6439 | |
6440 | |
6441 | |
6442 | |
6443 | |
6444 | |
6445 | |
6446 | |
6447 | |
6448 | |
6449 | |
6450 | QualType Composite = FindCompositePointerType(QuestionLoc, LHS, RHS); |
6451 | if (!Composite.isNull()) |
6452 | return Composite; |
6453 | |
6454 | |
6455 | Composite = FindCompositeObjCPointerType(LHS, RHS, QuestionLoc); |
6456 | if (LHS.isInvalid() || RHS.isInvalid()) |
6457 | return QualType(); |
6458 | if (!Composite.isNull()) |
6459 | return Composite; |
6460 | |
6461 | |
6462 | if (DiagnoseConditionalForNull(LHS.get(), RHS.get(), QuestionLoc)) |
6463 | return QualType(); |
6464 | |
6465 | Diag(QuestionLoc, diag::err_typecheck_cond_incompatible_operands) |
6466 | << LHS.get()->getType() << RHS.get()->getType() |
6467 | << LHS.get()->getSourceRange() << RHS.get()->getSourceRange(); |
6468 | return QualType(); |
6469 | } |
6470 | |
6471 | static FunctionProtoType::ExceptionSpecInfo |
6472 | mergeExceptionSpecs(Sema &S, FunctionProtoType::ExceptionSpecInfo ESI1, |
6473 | FunctionProtoType::ExceptionSpecInfo ESI2, |
6474 | SmallVectorImpl<QualType> &ExceptionTypeStorage) { |
6475 | ExceptionSpecificationType EST1 = ESI1.Type; |
6476 | ExceptionSpecificationType EST2 = ESI2.Type; |
6477 | |
6478 | |
6479 | if (EST1 == EST_None) return ESI1; |
6480 | if (EST2 == EST_None) return ESI2; |
6481 | if (EST1 == EST_MSAny) return ESI1; |
6482 | if (EST2 == EST_MSAny) return ESI2; |
6483 | if (EST1 == EST_NoexceptFalse) return ESI1; |
6484 | if (EST2 == EST_NoexceptFalse) return ESI2; |
6485 | |
6486 | |
6487 | if (EST1 == EST_NoThrow) return ESI2; |
6488 | if (EST2 == EST_NoThrow) return ESI1; |
6489 | if (EST1 == EST_DynamicNone) return ESI2; |
6490 | if (EST2 == EST_DynamicNone) return ESI1; |
6491 | if (EST1 == EST_BasicNoexcept) return ESI2; |
6492 | if (EST2 == EST_BasicNoexcept) return ESI1; |
6493 | if (EST1 == EST_NoexceptTrue) return ESI2; |
6494 | if (EST2 == EST_NoexceptTrue) return ESI1; |
6495 | |
6496 | |
6497 | |
6498 | |
6499 | |
6500 | |
6501 | if (EST1 == EST_DependentNoexcept || EST2 == EST_DependentNoexcept) { |
6502 | assert(!S.getLangOpts().CPlusPlus17 && |
6503 | "computing composite pointer type of dependent types"); |
6504 | return FunctionProtoType::ExceptionSpecInfo(); |
6505 | } |
6506 | |
6507 | |
6508 | |
6509 | switch (EST1) { |
6510 | case EST_None: |
6511 | case EST_DynamicNone: |
6512 | case EST_MSAny: |
6513 | case EST_BasicNoexcept: |
6514 | case EST_DependentNoexcept: |
6515 | case EST_NoexceptFalse: |
6516 | case EST_NoexceptTrue: |
6517 | case EST_NoThrow: |
6518 | llvm_unreachable("handled above"); |
6519 | |
6520 | case EST_Dynamic: { |
6521 | |
6522 | |
6523 | assert(EST2 == EST_Dynamic && "other cases should already be handled"); |
6524 | llvm::SmallPtrSet<QualType, 8> Found; |
6525 | for (auto &Exceptions : {ESI1.Exceptions, ESI2.Exceptions}) |
6526 | for (QualType E : Exceptions) |
6527 | if (Found.insert(S.Context.getCanonicalType(E)).second) |
6528 | ExceptionTypeStorage.push_back(E); |
6529 | |
6530 | FunctionProtoType::ExceptionSpecInfo Result(EST_Dynamic); |
6531 | Result.Exceptions = ExceptionTypeStorage; |
6532 | return Result; |
6533 | } |
6534 | |
6535 | case EST_Unevaluated: |
6536 | case EST_Uninstantiated: |
6537 | case EST_Unparsed: |
6538 | llvm_unreachable("shouldn't see unresolved exception specifications here"); |
6539 | } |
6540 | |
6541 | llvm_unreachable("invalid ExceptionSpecificationType"); |
6542 | } |
6543 | |
6544 | |
6545 | |
6546 | |
6547 | |
6548 | |
6549 | |
6550 | |
6551 | |
6552 | |
6553 | |
6554 | |
6555 | QualType Sema::FindCompositePointerType(SourceLocation Loc, |
6556 | Expr *&E1, Expr *&E2, |
6557 | bool ConvertArgs) { |
6558 | assert(getLangOpts().CPlusPlus && "This function assumes C++"); |
6559 | |
6560 | |
6561 | |
6562 | |
6563 | QualType T1 = E1->getType(), T2 = E2->getType(); |
6564 | |
6565 | |
6566 | |
6567 | bool T1IsPointerLike = T1->isAnyPointerType() || T1->isMemberPointerType() || |
6568 | T1->isNullPtrType(); |
6569 | bool T2IsPointerLike = T2->isAnyPointerType() || T2->isMemberPointerType() || |
6570 | T2->isNullPtrType(); |
6571 | if (!T1IsPointerLike && !T2IsPointerLike) |
6572 | return QualType(); |
6573 | |
6574 | |
6575 | |
6576 | |
6577 | |
6578 | |
6579 | if (T1IsPointerLike && |
6580 | E2->isNullPointerConstant(Context, Expr::NPC_ValueDependentIsNull)) { |
6581 | if (ConvertArgs) |
6582 | E2 = ImpCastExprToType(E2, T1, T1->isMemberPointerType() |
6583 | ? CK_NullToMemberPointer |
6584 | : CK_NullToPointer).get(); |
6585 | return T1; |
6586 | } |
6587 | if (T2IsPointerLike && |
6588 | E1->isNullPointerConstant(Context, Expr::NPC_ValueDependentIsNull)) { |
6589 | if (ConvertArgs) |
6590 | E1 = ImpCastExprToType(E1, T2, T2->isMemberPointerType() |
6591 | ? CK_NullToMemberPointer |
6592 | : CK_NullToPointer).get(); |
6593 | return T2; |
6594 | } |
6595 | |
6596 | |
6597 | if (!T1IsPointerLike || !T2IsPointerLike) |
6598 | return QualType(); |
6599 | assert(!T1->isNullPtrType() && !T2->isNullPtrType() && |
6600 | "nullptr_t should be a null pointer constant"); |
6601 | |
6602 | struct Step { |
6603 | enum Kind { Pointer, ObjCPointer, MemberPointer, Array } K; |
6604 | |
6605 | Qualifiers Quals; |
6606 | |
6607 | |
6608 | const Type *ClassOrBound; |
6609 | |
6610 | Step(Kind K, const Type *ClassOrBound = nullptr) |
6611 | : K(K), Quals(), ClassOrBound(ClassOrBound) {} |
6612 | QualType rebuild(ASTContext &Ctx, QualType T) const { |
6613 | T = Ctx.getQualifiedType(T, Quals); |
6614 | switch (K) { |
6615 | case Pointer: |
6616 | return Ctx.getPointerType(T); |
6617 | case MemberPointer: |
6618 | return Ctx.getMemberPointerType(T, ClassOrBound); |
6619 | case ObjCPointer: |
6620 | return Ctx.getObjCObjectPointerType(T); |
6621 | case Array: |
6622 | if (auto *CAT = cast_or_null<ConstantArrayType>(ClassOrBound)) |
6623 | return Ctx.getConstantArrayType(T, CAT->getSize(), nullptr, |
6624 | ArrayType::Normal, 0); |
6625 | else |
6626 | return Ctx.getIncompleteArrayType(T, ArrayType::Normal, 0); |
6627 | } |
6628 | llvm_unreachable("unknown step kind"); |
6629 | } |
6630 | }; |
6631 | |
6632 | SmallVector<Step, 8> Steps; |
6633 | |
6634 | |
6635 | |
6636 | |
6637 | |
6638 | |
6639 | |
6640 | |
6641 | |
6642 | |
6643 | |
6644 | |
6645 | |
6646 | |
6647 | |
6648 | QualType Composite1 = T1; |
6649 | QualType Composite2 = T2; |
6650 | unsigned NeedConstBefore = 0; |
6651 | while (true) { |
6652 | assert(!Composite1.isNull() && !Composite2.isNull()); |
6653 | |
6654 | Qualifiers Q1, Q2; |
6655 | Composite1 = Context.getUnqualifiedArrayType(Composite1, Q1); |
6656 | Composite2 = Context.getUnqualifiedArrayType(Composite2, Q2); |
6657 | |
6658 | |
6659 | if (!Steps.empty()) { |
6660 | |
6661 | |
6662 | Qualifiers Quals = Qualifiers::fromCVRUMask(Q1.getCVRUQualifiers() | |
6663 | Q2.getCVRUQualifiers()); |
6664 | |
6665 | |
6666 | |
6667 | if (Q1.getAddressSpace() == Q2.getAddressSpace()) { |
6668 | Quals.setAddressSpace(Q1.getAddressSpace()); |
6669 | } else if (Steps.size() == 1) { |
6670 | bool MaybeQ1 = Q1.isAddressSpaceSupersetOf(Q2); |
6671 | bool MaybeQ2 = Q2.isAddressSpaceSupersetOf(Q1); |
6672 | if (MaybeQ1 == MaybeQ2) |
6673 | return QualType(); |
6674 | Quals.setAddressSpace(MaybeQ1 ? Q1.getAddressSpace() |
6675 | : Q2.getAddressSpace()); |
6676 | } else { |
6677 | return QualType(); |
6678 | } |
6679 | |
6680 | |
6681 | if (Q1.getObjCGCAttr() == Q2.getObjCGCAttr()) |
6682 | Quals.setObjCGCAttr(Q1.getObjCGCAttr()); |
6683 | else if (T1->isVoidPointerType() || T2->isVoidPointerType()) |
6684 | assert(Steps.size() == 1); |
6685 | else |
6686 | return QualType(); |
6687 | |
6688 | |
6689 | if (Q1.getObjCLifetime() == Q2.getObjCLifetime()) |
6690 | Quals.setObjCLifetime(Q1.getObjCLifetime()); |
6691 | else if (T1->isVoidPointerType() || T2->isVoidPointerType()) |
6692 | assert(Steps.size() == 1); |
6693 | else |
6694 | return QualType(); |
6695 | |
6696 | Steps.back().Quals = Quals; |
6697 | if (Q1 != Quals || Q2 != Quals) |
6698 | NeedConstBefore = Steps.size() - 1; |
6699 | } |
6700 | |
6701 | |
6702 | const PointerType *Ptr1, *Ptr2; |
6703 | if ((Ptr1 = Composite1->getAs<PointerType>()) && |
6704 | (Ptr2 = Composite2->getAs<PointerType>())) { |
6705 | Composite1 = Ptr1->getPointeeType(); |
6706 | Composite2 = Ptr2->getPointeeType(); |
6707 | Steps.emplace_back(Step::Pointer); |
6708 | continue; |
6709 | } |
6710 | |
6711 | const ObjCObjectPointerType *ObjPtr1, *ObjPtr2; |
6712 | if ((ObjPtr1 = Composite1->getAs<ObjCObjectPointerType>()) && |
6713 | (ObjPtr2 = Composite2->getAs<ObjCObjectPointerType>())) { |
6714 | Composite1 = ObjPtr1->getPointeeType(); |
6715 | Composite2 = ObjPtr2->getPointeeType(); |
6716 | Steps.emplace_back(Step::ObjCPointer); |
6717 | continue; |
6718 | } |
6719 | |
6720 | const MemberPointerType *MemPtr1, *MemPtr2; |
6721 | if ((MemPtr1 = Composite1->getAs<MemberPointerType>()) && |
6722 | (MemPtr2 = Composite2->getAs<MemberPointerType>())) { |
6723 | Composite1 = MemPtr1->getPointeeType(); |
6724 | Composite2 = MemPtr2->getPointeeType(); |
6725 | |
6726 | |
6727 | |
6728 | |
6729 | |
6730 | |
6731 | |
6732 | |
6733 | |
6734 | |
6735 | const Type *Class = nullptr; |
6736 | QualType Cls1(MemPtr1->getClass(), 0); |
6737 | QualType Cls2(MemPtr2->getClass(), 0); |
6738 | if (Context.hasSameType(Cls1, Cls2)) |
6739 | Class = MemPtr1->getClass(); |
6740 | else if (Steps.empty()) |
6741 | Class = IsDerivedFrom(Loc, Cls1, Cls2) ? MemPtr1->getClass() : |
6742 | IsDerivedFrom(Loc, Cls2, Cls1) ? MemPtr2->getClass() : nullptr; |
6743 | if (!Class) |
6744 | return QualType(); |
6745 | |
6746 | Steps.emplace_back(Step::MemberPointer, Class); |
6747 | continue; |
6748 | } |
6749 | |
6750 | |
6751 | |
6752 | if (Steps.empty() && ((Composite1->isVoidPointerType() && |
6753 | Composite2->isObjCObjectPointerType()) || |
6754 | (Composite1->isObjCObjectPointerType() && |
6755 | Composite2->isVoidPointerType()))) { |
6756 | Composite1 = Composite1->getPointeeType(); |
6757 | Composite2 = Composite2->getPointeeType(); |
6758 | Steps.emplace_back(Step::Pointer); |
6759 | continue; |
6760 | } |
6761 | |
6762 | |
6763 | |
6764 | |
6765 | |
6766 | |
6767 | break; |
6768 | } |
6769 | |
6770 | |
6771 | |
6772 | |
6773 | |
6774 | |
6775 | |
6776 | |
6777 | |
6778 | |
6779 | |
6780 | |
6781 | |
6782 | |
6783 | |
6784 | |
6785 | |
6786 | |
6787 | |
6788 | |
6789 | |
6790 | |
6791 | |
6792 | |
6793 | |
6794 | |
6795 | |
6796 | |
6797 | |
6798 | if (Steps.size() == 1) { |
6799 | if (auto *FPT1 = Composite1->getAs<FunctionProtoType>()) { |
6800 | if (auto *FPT2 = Composite2->getAs<FunctionProtoType>()) { |
6801 | FunctionProtoType::ExtProtoInfo EPI1 = FPT1->getExtProtoInfo(); |
6802 | FunctionProtoType::ExtProtoInfo EPI2 = FPT2->getExtProtoInfo(); |
6803 | |
6804 | |
6805 | bool Noreturn = |
6806 | EPI1.ExtInfo.getNoReturn() && EPI2.ExtInfo.getNoReturn(); |
6807 | EPI1.ExtInfo = EPI1.ExtInfo.withNoReturn(Noreturn); |
6808 | EPI2.ExtInfo = EPI2.ExtInfo.withNoReturn(Noreturn); |
6809 | |
6810 | |
6811 | SmallVector<QualType, 8> ExceptionTypeStorage; |
6812 | EPI1.ExceptionSpec = EPI2.ExceptionSpec = |
6813 | mergeExceptionSpecs(*this, EPI1.ExceptionSpec, EPI2.ExceptionSpec, |
6814 | ExceptionTypeStorage); |
6815 | |
6816 | Composite1 = Context.getFunctionType(FPT1->getReturnType(), |
6817 | FPT1->getParamTypes(), EPI1); |
6818 | Composite2 = Context.getFunctionType(FPT2->getReturnType(), |
6819 | FPT2->getParamTypes(), EPI2); |
6820 | } |
6821 | } |
6822 | } |
6823 | |
6824 | |
6825 | if (Steps.size() == 1 && Steps.front().K == Step::Pointer && |
6826 | !Context.hasSameType(Composite1, Composite2)) { |
6827 | |
6828 | |
6829 | |
6830 | if (Composite1->isVoidType() && Composite2->isObjectType()) |
6831 | Composite2 = Composite1; |
6832 | else if (Composite2->isVoidType() && Composite1->isObjectType()) |
6833 | Composite1 = Composite2; |
6834 | |
6835 | |
6836 | |
6837 | |
6838 | |
6839 | |
6840 | |
6841 | else if (IsDerivedFrom(Loc, Composite1, Composite2)) |
6842 | Composite1 = Composite2; |
6843 | else if (IsDerivedFrom(Loc, Composite2, Composite1)) |
6844 | Composite2 = Composite1; |
6845 | } |
6846 | |
6847 | |
6848 | |
6849 | if (!Context.hasSameType(Composite1, Composite2)) |
6850 | return QualType(); |
6851 | |
6852 | |
6853 | |
6854 | for (unsigned I = 0; I != NeedConstBefore; ++I) |
6855 | Steps[I].Quals.addConst(); |
6856 | |
6857 | |
6858 | QualType Composite = Composite1; |
6859 | for (auto &S : llvm::reverse(Steps)) |
6860 | Composite = S.rebuild(Context, Composite); |
6861 | |
6862 | if (ConvertArgs) { |
6863 | |
6864 | InitializedEntity Entity = |
6865 | InitializedEntity::InitializeTemporary(Composite); |
6866 | InitializationKind Kind = |
6867 | InitializationKind::CreateCopy(Loc, SourceLocation()); |
6868 | |
6869 | InitializationSequence E1ToC(*this, Entity, Kind, E1); |
6870 | if (!E1ToC) |
6871 | return QualType(); |
6872 | |
6873 | InitializationSequence E2ToC(*this, Entity, Kind, E2); |
6874 | if (!E2ToC) |
6875 | return QualType(); |
6876 | |
6877 | |
6878 | ExprResult E1Result = E1ToC.Perform(*this, Entity, Kind, E1); |
6879 | if (E1Result.isInvalid()) |
6880 | return QualType(); |
6881 | E1 = E1Result.get(); |
6882 | |
6883 | ExprResult E2Result = E2ToC.Perform(*this, Entity, Kind, E2); |
6884 | if (E2Result.isInvalid()) |
6885 | return QualType(); |
6886 | E2 = E2Result.get(); |
6887 | } |
6888 | |
6889 | return Composite; |
6890 | } |
6891 | |
6892 | ExprResult Sema::MaybeBindToTemporary(Expr *E) { |
6893 | if (!E) |
6894 | return ExprError(); |
6895 | |
6896 | assert(!isa<CXXBindTemporaryExpr>(E) && "Double-bound temporary?"); |
6897 | |
6898 | |
6899 | if (E->isGLValue()) |
6900 | return E; |
6901 | |
6902 | |
6903 | |
6904 | if (getLangOpts().ObjCAutoRefCount && |
6905 | E->getType()->isObjCRetainableType()) { |
6906 | |
6907 | bool ReturnsRetained; |
6908 | |
6909 | |
6910 | |
6911 | if (CallExpr *Call = dyn_cast<CallExpr>(E)) { |
6912 | Expr *Callee = Call->getCallee()->IgnoreParens(); |
6913 | QualType T = Callee->getType(); |
6914 | |
6915 | if (T == Context.BoundMemberTy) { |
6916 | |
6917 | if (BinaryOperator *BinOp = dyn_cast<BinaryOperator>(Callee)) |
6918 | T = BinOp->getRHS()->getType(); |
6919 | else if (MemberExpr *Mem = dyn_cast<MemberExpr>(Callee)) |
6920 | T = Mem->getMemberDecl()->getType(); |
6921 | } |
6922 | |
6923 | if (const PointerType *Ptr = T->getAs<PointerType>()) |
6924 | T = Ptr->getPointeeType(); |
6925 | else if (const BlockPointerType *Ptr = T->getAs<BlockPointerType>()) |
6926 | T = Ptr->getPointeeType(); |
6927 | else if (const MemberPointerType *MemPtr = T->getAs<MemberPointerType>()) |
6928 | T = MemPtr->getPointeeType(); |
6929 | |
6930 | auto *FTy = T->castAs<FunctionType>(); |
6931 | ReturnsRetained = FTy->getExtInfo().getProducesResult(); |
6932 | |
6933 | |
6934 | |
6935 | } else if (isa<StmtExpr>(E)) { |
6936 | ReturnsRetained = true; |
6937 | |
6938 | |
6939 | |
6940 | } else if (isa<CastExpr>(E) && |
6941 | isa<BlockExpr>(cast<CastExpr>(E)->getSubExpr())) { |
6942 | return E; |
6943 | |
6944 | |
6945 | |
6946 | |
6947 | } else { |
6948 | ObjCMethodDecl *D = nullptr; |
6949 | if (ObjCMessageExpr *Send = dyn_cast<ObjCMessageExpr>(E)) { |
6950 | D = Send->getMethodDecl(); |
6951 | } else if (ObjCBoxedExpr *BoxedExpr = dyn_cast<ObjCBoxedExpr>(E)) { |
6952 | D = BoxedExpr->getBoxingMethod(); |
6953 | } else if (ObjCArrayLiteral *ArrayLit = dyn_cast<ObjCArrayLiteral>(E)) { |
6954 | |
6955 | |
6956 | if (ArrayLit->getNumElements() == 0 && |
6957 | Context.getLangOpts().ObjCRuntime.hasEmptyCollections()) |
6958 | return E; |
6959 | |
6960 | D = ArrayLit->getArrayWithObjectsMethod(); |
6961 | } else if (ObjCDictionaryLiteral *DictLit |
6962 | = dyn_cast<ObjCDictionaryLiteral>(E)) { |
6963 | |
6964 | |
6965 | if (DictLit->getNumElements() == 0 && |
6966 | Context.getLangOpts().ObjCRuntime.hasEmptyCollections()) |
6967 | return E; |
6968 | |
6969 | D = DictLit->getDictWithObjectsMethod(); |
6970 | } |
6971 | |
6972 | ReturnsRetained = (D && D->hasAttr<NSReturnsRetainedAttr>()); |
6973 | |
6974 | |
6975 | |
6976 | |
6977 | if (!ReturnsRetained && |
6978 | D && D->getMethodFamily() == OMF_performSelector) |
6979 | return E; |
6980 | } |
6981 | |
6982 | |
6983 | if (!ReturnsRetained && E->getType()->isObjCARCImplicitlyUnretainedType()) |
6984 | return E; |
6985 | |
6986 | Cleanup.setExprNeedsCleanups(true); |
6987 | |
6988 | CastKind ck = (ReturnsRetained ? CK_ARCConsumeObject |
6989 | : CK_ARCReclaimReturnedObject); |
6990 | return ImplicitCastExpr::Create(Context, E->getType(), ck, E, nullptr, |
6991 | VK_PRValue, FPOptionsOverride()); |
6992 | } |
6993 | |
6994 | if (E->getType().isDestructedType() == QualType::DK_nontrivial_c_struct) |
6995 | Cleanup.setExprNeedsCleanups(true); |
6996 | |
6997 | if (!getLangOpts().CPlusPlus) |
6998 | return E; |
6999 | |
7000 | |
7001 | |
7002 | const Type *T = Context.getCanonicalType(E->getType().getTypePtr()); |
7003 | const RecordType *RT = nullptr; |
7004 | while (!RT) { |
7005 | switch (T->getTypeClass()) { |
7006 | case Type::Record: |
7007 | RT = cast<RecordType>(T); |
7008 | break; |
7009 | case Type::ConstantArray: |
7010 | case Type::IncompleteArray: |
7011 | case Type::VariableArray: |
7012 | case Type::DependentSizedArray: |
7013 | T = cast<ArrayType>(T)->getElementType().getTypePtr(); |
7014 | break; |
7015 | default: |
7016 | return E; |
7017 | } |
7018 | } |
7019 | |
7020 | |
7021 | |
7022 | CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); |
7023 | if (RD->isInvalidDecl() || RD->isDependentContext()) |
7024 | return E; |
7025 | |
7026 | bool IsDecltype = ExprEvalContexts.back().ExprContext == |
7027 | ExpressionEvaluationContextRecord::EK_Decltype; |
7028 | CXXDestructorDecl *Destructor = IsDecltype ? nullptr : LookupDestructor(RD); |
7029 | |
7030 | if (Destructor) { |
7031 | MarkFunctionReferenced(E->getExprLoc(), Destructor); |
7032 | CheckDestructorAccess(E->getExprLoc(), Destructor, |
7033 | PDiag(diag::err_access_dtor_temp) |
7034 | << E->getType()); |
7035 | if (DiagnoseUseOfDecl(Destructor, E->getExprLoc())) |
7036 | return ExprError(); |
7037 | |
7038 | |
7039 | if (Destructor->isTrivial()) |
7040 | return E; |
7041 | |
7042 | |
7043 | Cleanup.setExprNeedsCleanups(true); |
7044 | } |
7045 | |
7046 | CXXTemporary *Temp = CXXTemporary::Create(Context, Destructor); |
7047 | CXXBindTemporaryExpr *Bind = CXXBindTemporaryExpr::Create(Context, Temp, E); |
7048 | |
7049 | if (IsDecltype) |
7050 | ExprEvalContexts.back().DelayedDecltypeBinds.push_back(Bind); |
7051 | |
7052 | return Bind; |
7053 | } |
7054 | |
7055 | ExprResult |
7056 | Sema::MaybeCreateExprWithCleanups(ExprResult SubExpr) { |
7057 | if (SubExpr.isInvalid()) |
7058 | return ExprError(); |
7059 | |
7060 | return MaybeCreateExprWithCleanups(SubExpr.get()); |
7061 | } |
7062 | |
7063 | Expr *Sema::MaybeCreateExprWithCleanups(Expr *SubExpr) { |
7064 | assert(SubExpr && "subexpression can't be null!"); |
7065 | |
7066 | CleanupVarDeclMarking(); |
7067 | |
7068 | unsigned FirstCleanup = ExprEvalContexts.back().NumCleanupObjects; |
7069 | assert(ExprCleanupObjects.size() >= FirstCleanup); |
7070 | assert(Cleanup.exprNeedsCleanups() || |
7071 | ExprCleanupObjects.size() == FirstCleanup); |
7072 | if (!Cleanup.exprNeedsCleanups()) |
7073 | return SubExpr; |
7074 | |
7075 | auto Cleanups = llvm::makeArrayRef(ExprCleanupObjects.begin() + FirstCleanup, |
7076 | ExprCleanupObjects.size() - FirstCleanup); |
7077 | |
7078 | auto *E = ExprWithCleanups::Create( |
7079 | Context, SubExpr, Cleanup.cleanupsHaveSideEffects(), Cleanups); |
7080 | DiscardCleanupsInEvaluationContext(); |
7081 | |
7082 | return E; |
7083 | } |
7084 | |
7085 | Stmt *Sema::MaybeCreateStmtWithCleanups(Stmt *SubStmt) { |
7086 | assert(SubStmt && "sub-statement can't be null!"); |
7087 | |
7088 | CleanupVarDeclMarking(); |
7089 | |
7090 | if (!Cleanup.exprNeedsCleanups()) |
7091 | return SubStmt; |
7092 | |
7093 | |
7094 | |
7095 | |
7096 | |
7097 | CompoundStmt *CompStmt = CompoundStmt::Create( |
7098 | Context, SubStmt, SourceLocation(), SourceLocation()); |
7099 | Expr *E = new (Context) |
7100 | StmtExpr(CompStmt, Context.VoidTy, SourceLocation(), SourceLocation(), |
7101 | 0); |
7102 | return MaybeCreateExprWithCleanups(E); |
7103 | } |
7104 | |
7105 | |
7106 | |
7107 | |
7108 | |
7109 | ExprResult Sema::ActOnDecltypeExpression(Expr *E) { |
7110 | assert(ExprEvalContexts.back().ExprContext == |
7111 | ExpressionEvaluationContextRecord::EK_Decltype && |
7112 | "not in a decltype expression"); |
7113 | |
7114 | ExprResult Result = CheckPlaceholderExpr(E); |
7115 | if (Result.isInvalid()) |
7116 | return ExprError(); |
7117 | E = Result.get(); |
7118 | |
7119 | |
7120 | |
7121 | |
7122 | |
7123 | |
7124 | |
7125 | |
7126 | |
7127 | |
7128 | |
7129 | if (ParenExpr *PE = dyn_cast<ParenExpr>(E)) { |
7130 | ExprResult SubExpr = ActOnDecltypeExpression(PE->getSubExpr()); |
7131 | if (SubExpr.isInvalid()) |
7132 | return ExprError(); |
7133 | if (SubExpr.get() == PE->getSubExpr()) |
7134 | return E; |
7135 | return ActOnParenExpr(PE->getLParen(), PE->getRParen(), SubExpr.get()); |
7136 | } |
7137 | if (BinaryOperator *BO = dyn_cast<BinaryOperator>(E)) { |
7138 | if (BO->getOpcode() == BO_Comma) { |
7139 | ExprResult RHS = ActOnDecltypeExpression(BO->getRHS()); |
7140 | if (RHS.isInvalid()) |
7141 | return ExprError(); |
7142 | if (RHS.get() == BO->getRHS()) |
7143 | return E; |
7144 | return BinaryOperator::Create(Context, BO->getLHS(), RHS.get(), BO_Comma, |
7145 | BO->getType(), BO->getValueKind(), |
7146 | BO->getObjectKind(), BO->getOperatorLoc(), |
7147 | BO->getFPFeatures(getLangOpts())); |
7148 | } |
7149 | } |
7150 | |
7151 | CXXBindTemporaryExpr *TopBind = dyn_cast<CXXBindTemporaryExpr>(E); |
7152 | CallExpr *TopCall = TopBind ? dyn_cast<CallExpr>(TopBind->getSubExpr()) |
7153 | : nullptr; |
7154 | if (TopCall) |
7155 | E = TopCall; |
7156 | else |
7157 | TopBind = nullptr; |
7158 | |
7159 | |
7160 | ExprEvalContexts.back().ExprContext = |
7161 | ExpressionEvaluationContextRecord::EK_Other; |
7162 | |
7163 | Result = CheckUnevaluatedOperand(E); |
7164 | if (Result.isInvalid()) |
7165 | return ExprError(); |
7166 | E = Result.get(); |
7167 | |
7168 | |
7169 | |
7170 | if (getLangOpts().MSVCCompat) |
7171 | return E; |
7172 | |
7173 | |
7174 | for (unsigned I = 0, N = ExprEvalContexts.back().DelayedDecltypeCalls.size(); |
7175 | I != N; ++I) { |
7176 | CallExpr *Call = ExprEvalContexts.back().DelayedDecltypeCalls[I]; |
7177 | if (Call == TopCall) |
7178 | continue; |
7179 | |
7180 | if (CheckCallReturnType(Call->getCallReturnType(Context), |
7181 | Call->getBeginLoc(), Call, Call->getDirectCallee())) |
7182 | return ExprError(); |
7183 | } |
7184 | |
7185 | |
7186 | |
7187 | for (unsigned I = 0, N = ExprEvalContexts.back().DelayedDecltypeBinds.size(); |
7188 | I != N; ++I) { |
7189 | CXXBindTemporaryExpr *Bind = |
7190 | ExprEvalContexts.back().DelayedDecltypeBinds[I]; |
7191 | if (Bind == TopBind) |
7192 | continue; |
7193 | |
7194 | CXXTemporary *Temp = Bind->getTemporary(); |
7195 | |
7196 | CXXRecordDecl *RD = |
7197 | Bind->getType()->getBaseElementTypeUnsafe()->getAsCXXRecordDecl(); |
7198 | CXXDestructorDecl *Destructor = LookupDestructor(RD); |
7199 | Temp->setDestructor(Destructor); |
7200 | |
7201 | MarkFunctionReferenced(Bind->getExprLoc(), Destructor); |
7202 | CheckDestructorAccess(Bind->getExprLoc(), Destructor, |
7203 | PDiag(diag::err_access_dtor_temp) |
7204 | << Bind->getType()); |
7205 | if (DiagnoseUseOfDecl(Destructor, Bind->getExprLoc())) |
7206 | return ExprError(); |
7207 | |
7208 | |
7209 | Cleanup.setExprNeedsCleanups(true); |
7210 | } |
7211 | |
7212 | |
7213 | return E; |
7214 | } |
7215 | |
7216 | |
7217 | static void noteOperatorArrows(Sema &S, |
7218 | ArrayRef<FunctionDecl *> OperatorArrows) { |
7219 | unsigned SkipStart = OperatorArrows.size(), SkipCount = 0; |
7220 | |
7221 | unsigned Limit = 9; |
7222 | if (OperatorArrows.size() > Limit) { |
7223 | |
7224 | SkipStart = (Limit - 1) / 2 + (Limit - 1) % 2; |
7225 | SkipCount = OperatorArrows.size() - (Limit - 1); |
7226 | } |
7227 | |
7228 | for (unsigned I = 0; I < OperatorArrows.size(); ) { |
7229 | if (I == SkipStart) { |
7230 | S.Diag(OperatorArrows[I]->getLocation(), |
7231 | diag::note_operator_arrows_suppressed) |
7232 | << SkipCount; |
7233 | I += SkipCount; |
7234 | } else { |
7235 | S.Diag(OperatorArrows[I]->getLocation(), diag::note_operator_arrow_here) |
7236 | << OperatorArrows[I]->getCallResultType(); |
7237 | ++I; |
7238 | } |
7239 | } |
7240 | } |
7241 | |
7242 | ExprResult Sema::ActOnStartCXXMemberReference(Scope *S, Expr *Base, |
7243 | SourceLocation OpLoc, |
7244 | tok::TokenKind OpKind, |
7245 | ParsedType &ObjectType, |
7246 | bool &MayBePseudoDestructor) { |
7247 | |
7248 | ExprResult Result = MaybeConvertParenListExprToParenExpr(S, Base); |
7249 | if (Result.isInvalid()) return ExprError(); |
7250 | Base = Result.get(); |
7251 | |
7252 | Result = CheckPlaceholderExpr(Base); |
7253 | if (Result.isInvalid()) return ExprError(); |
7254 | Base = Result.get(); |
7255 | |
7256 | QualType BaseType = Base->getType(); |
7257 | MayBePseudoDestructor = false; |
7258 | if (BaseType->isDependentType()) { |
7259 | |
7260 | |
7261 | |
7262 | if (OpKind == tok::arrow) |
7263 | if (const PointerType *Ptr = BaseType->getAs<PointerType>()) |
7264 | BaseType = Ptr->getPointeeType(); |
7265 | |
7266 | ObjectType = ParsedType::make(BaseType); |
7267 | MayBePseudoDestructor = true; |
7268 | return Base; |
7269 | } |
7270 | |
7271 | |
7272 | |
7273 | |
7274 | if (OpKind == tok::arrow) { |
7275 | QualType StartingType = BaseType; |
7276 | bool NoArrowOperatorFound = false; |
7277 | bool FirstIteration = true; |
7278 | FunctionDecl *CurFD = dyn_cast<FunctionDecl>(CurContext); |
7279 | |
7280 | llvm::SmallPtrSet<CanQualType,8> CTypes; |
7281 | SmallVector<FunctionDecl*, 8> OperatorArrows; |
7282 | CTypes.insert(Context.getCanonicalType(BaseType)); |
7283 | |
7284 | while (BaseType->isRecordType()) { |
7285 | if (OperatorArrows.size() >= getLangOpts().ArrowDepth) { |
7286 | Diag(OpLoc, diag::err_operator_arrow_depth_exceeded) |
7287 | << StartingType << getLangOpts().ArrowDepth << Base->getSourceRange(); |
7288 | noteOperatorArrows(*this, OperatorArrows); |
7289 | Diag(OpLoc, diag::note_operator_arrow_depth) |
7290 | << getLangOpts().ArrowDepth; |
7291 | return ExprError(); |
7292 | } |
7293 | |
7294 | Result = BuildOverloadedArrowExpr( |
7295 | S, Base, OpLoc, |
7296 | |
7297 | |
7298 | |
7299 | |
7300 | (FirstIteration && CurFD && CurFD->isFunctionTemplateSpecialization()) |
7301 | ? nullptr |
7302 | : &NoArrowOperatorFound); |
7303 | if (Result.isInvalid()) { |
7304 | if (NoArrowOperatorFound) { |
7305 | if (FirstIteration) { |
7306 | Diag(OpLoc, diag::err_typecheck_member_reference_suggestion) |
7307 | << BaseType << 1 << Base->getSourceRange() |
7308 | << FixItHint::CreateReplacement(OpLoc, "."); |
7309 | OpKind = tok::period; |
7310 | break; |
7311 | } |
7312 | Diag(OpLoc, diag::err_typecheck_member_reference_arrow) |
7313 | << BaseType << Base->getSourceRange(); |
7314 | CallExpr *CE = dyn_cast<CallExpr>(Base); |
7315 | if (Decl *CD = (CE ? CE->getCalleeDecl() : nullptr)) { |
7316 | Diag(CD->getBeginLoc(), |
7317 | diag::note_member_reference_arrow_from_operator_arrow); |
7318 | } |
7319 | } |
7320 | return ExprError(); |
7321 | } |
7322 | Base = Result.get(); |
7323 | if (CXXOperatorCallExpr *OpCall = dyn_cast<CXXOperatorCallExpr>(Base)) |
7324 | OperatorArrows.push_back(OpCall->getDirectCallee()); |
7325 | BaseType = Base->getType(); |
7326 | CanQualType CBaseType = Context.getCanonicalType(BaseType); |
7327 | if (!CTypes.insert(CBaseType).second) { |
7328 | Diag(OpLoc, diag::err_operator_arrow_circular) << StartingType; |
7329 | noteOperatorArrows(*this, OperatorArrows); |
7330 | return ExprError(); |
7331 | } |
7332 | FirstIteration = false; |
7333 | } |
7334 | |
7335 | if (OpKind == tok::arrow) { |
7336 | if (BaseType->isPointerType()) |
7337 | BaseType = BaseType->getPointeeType(); |
7338 | else if (auto *AT = Context.getAsArrayType(BaseType)) |
7339 | BaseType = AT->getElementType(); |
7340 | } |
7341 | } |
7342 | |
7343 | |
7344 | |
7345 | if (BaseType->isObjCObjectPointerType()) |
7346 | BaseType = BaseType->getPointeeType(); |
7347 | |
7348 | |
7349 | |
7350 | |
7351 | |
7352 | |
7353 | |
7354 | |
7355 | |
7356 | |
7357 | |
7358 | |
7359 | if (!BaseType->isRecordType()) { |
7360 | ObjectType = ParsedType::make(BaseType); |
7361 | MayBePseudoDestructor = true; |
7362 | return Base; |
7363 | } |
7364 | |
7365 | |
7366 | |
7367 | |
7368 | |
7369 | |
7370 | if (!BaseType->isDependentType() && |
7371 | !isThisOutsideMemberFunctionBody(BaseType) && |
7372 | RequireCompleteType(OpLoc, BaseType, diag::err_incomplete_member_access)) |
7373 | return ExprError(); |
7374 | |
7375 | |
7376 | |
7377 | |
7378 | |
7379 | |
7380 | ObjectType = ParsedType::make(BaseType); |
7381 | return Base; |
7382 | } |
7383 | |
7384 | static bool CheckArrow(Sema &S, QualType &ObjectType, Expr *&Base, |
7385 | tok::TokenKind &OpKind, SourceLocation OpLoc) { |
7386 | if (Base->hasPlaceholderType()) { |
7387 | ExprResult result = S.CheckPlaceholderExpr(Base); |
7388 | if (result.isInvalid()) return true; |
7389 | Base = result.get(); |
7390 | } |
7391 | ObjectType = Base->getType(); |
7392 | |
7393 | |
7394 | |
7395 | |
7396 | |
7397 | |
7398 | |
7399 | if (OpKind == tok::arrow) { |
7400 | |
7401 | |
7402 | |
7403 | if (ObjectType->isPointerType() || ObjectType->isArrayType() || |
7404 | ObjectType->isFunctionType()) { |
7405 | ExprResult BaseResult = S.DefaultFunctionArrayLvalueConversion(Base); |
7406 | if (BaseResult.isInvalid()) |
7407 | return true; |
7408 | Base = BaseResult.get(); |
7409 | ObjectType = Base->getType(); |
7410 | } |
7411 | |
7412 | if (const PointerType *Ptr = ObjectType->getAs<PointerType>()) { |
7413 | ObjectType = Ptr->getPointeeType(); |
7414 | } else if (!Base->isTypeDependent()) { |
7415 | |
7416 | S.Diag(OpLoc, diag::err_typecheck_member_reference_suggestion) |
7417 | << ObjectType << true |
7418 | << FixItHint::CreateReplacement(OpLoc, "."); |
7419 | if (S.isSFINAEContext()) |
7420 | return true; |
7421 | |
7422 | OpKind = tok::period; |
7423 | } |
7424 | } |
7425 | |
7426 | return false; |
7427 | } |
7428 | |
7429 | |
7430 | |
7431 | static bool |
7432 | canRecoverDotPseudoDestructorCallsOnPointerObjects(Sema &SemaRef, |
7433 | QualType DestructedType) { |
7434 | |
7435 | if (auto *RD = DestructedType->getAsCXXRecordDecl()) { |
7436 | if (RD->hasDefinition()) |
7437 | if (CXXDestructorDecl *D = SemaRef.LookupDestructor(RD)) |
7438 | return SemaRef.CanUseDecl(D, false); |
7439 | return false; |
7440 | } |
7441 | |
7442 | |
7443 | return DestructedType->isDependentType() || DestructedType->isScalarType() || |
7444 | DestructedType->isVectorType(); |
7445 | } |
7446 | |
7447 | ExprResult Sema::BuildPseudoDestructorExpr(Expr *Base, |
7448 | SourceLocation OpLoc, |
7449 | tok::TokenKind OpKind, |
7450 | const CXXScopeSpec &SS, |
7451 | TypeSourceInfo *ScopeTypeInfo, |
7452 | SourceLocation CCLoc, |
7453 | SourceLocation TildeLoc, |
7454 | PseudoDestructorTypeStorage Destructed) { |
7455 | TypeSourceInfo *DestructedTypeInfo = Destructed.getTypeSourceInfo(); |
7456 | |
7457 | QualType ObjectType; |
7458 | if (CheckArrow(*this, ObjectType, Base, OpKind, OpLoc)) |
7459 | return ExprError(); |
7460 | |
7461 | if (!ObjectType->isDependentType() && !ObjectType->isScalarType() && |
7462 | !ObjectType->isVectorType()) { |
7463 | if (getLangOpts().MSVCCompat && ObjectType->isVoidType()) |
7464 | Diag(OpLoc, diag::ext_pseudo_dtor_on_void) << Base->getSourceRange(); |
7465 | else { |
7466 | Diag(OpLoc, diag::err_pseudo_dtor_base_not_scalar) |
7467 | << ObjectType << Base->getSourceRange(); |
7468 | return ExprError(); |
7469 | } |
7470 | } |
7471 | |
7472 | |
7473 | |
7474 | |
7475 | if (DestructedTypeInfo) { |
7476 | QualType DestructedType = DestructedTypeInfo->getType(); |
7477 | SourceLocation DestructedTypeStart |
7478 | = DestructedTypeInfo->getTypeLoc().getLocalSourceRange().getBegin(); |
7479 | if (!DestructedType->isDependentType() && !ObjectType->isDependentType()) { |
7480 | if (!Context.hasSameUnqualifiedType(DestructedType, ObjectType)) { |
7481 | |
7482 | |
7483 | |
7484 | if (OpKind == tok::period && ObjectType->isPointerType() && |
7485 | Context.hasSameUnqualifiedType(DestructedType, |
7486 | ObjectType->getPointeeType())) { |
7487 | auto Diagnostic = |
7488 | Diag(OpLoc, diag::err_typecheck_member_reference_suggestion) |
7489 | << ObjectType << 0 << Base->getSourceRange(); |
7490 | |
7491 | |
7492 | if (canRecoverDotPseudoDestructorCallsOnPointerObjects( |
7493 | *this, DestructedType)) |
7494 | Diagnostic << FixItHint::CreateReplacement(OpLoc, "->"); |
7495 | |
7496 | |
7497 | |
7498 | ObjectType = DestructedType; |
7499 | OpKind = tok::arrow; |
7500 | } else { |
7501 | Diag(DestructedTypeStart, diag::err_pseudo_dtor_type_mismatch) |
7502 | << ObjectType << DestructedType << Base->getSourceRange() |
7503 | << DestructedTypeInfo->getTypeLoc().getLocalSourceRange(); |
7504 | |
7505 | |
7506 | DestructedType = ObjectType; |
7507 | DestructedTypeInfo = |
7508 | Context.getTrivialTypeSourceInfo(ObjectType, DestructedTypeStart); |
7509 | Destructed = PseudoDestructorTypeStorage(DestructedTypeInfo); |
7510 | } |
7511 | } else if (DestructedType.getObjCLifetime() != |
7512 | ObjectType.getObjCLifetime()) { |
7513 | |
7514 | if (DestructedType.getObjCLifetime() == Qualifiers::OCL_None) { |
7515 | |
7516 | |
7517 | } else { |
7518 | Diag(DestructedTypeStart, diag::err_arc_pseudo_dtor_inconstant_quals) |
7519 | << ObjectType << DestructedType << Base->getSourceRange() |
7520 | << DestructedTypeInfo->getTypeLoc().getLocalSourceRange(); |
7521 | } |
7522 | |
7523 | |
7524 | DestructedType = ObjectType; |
7525 | DestructedTypeInfo = Context.getTrivialTypeSourceInfo(ObjectType, |
7526 | DestructedTypeStart); |
7527 | Destructed = PseudoDestructorTypeStorage(DestructedTypeInfo); |
7528 | } |
7529 | } |
7530 | } |
7531 | |
7532 | |
7533 | |
7534 | |
7535 | |
7536 | |
7537 | |
7538 | |
7539 | if (ScopeTypeInfo) { |
7540 | QualType ScopeType = ScopeTypeInfo->getType(); |
7541 | if (!ScopeType->isDependentType() && !ObjectType->isDependentType() && |
7542 | !Context.hasSameUnqualifiedType(ScopeType, ObjectType)) { |
7543 | |
7544 | Diag(ScopeTypeInfo->getTypeLoc().getLocalSourceRange().getBegin(), |
7545 | diag::err_pseudo_dtor_type_mismatch) |
7546 | << ObjectType << ScopeType << Base->getSourceRange() |
7547 | << ScopeTypeInfo->getTypeLoc().getLocalSourceRange(); |
7548 | |
7549 | ScopeType = QualType(); |
7550 | ScopeTypeInfo = nullptr; |
7551 | } |
7552 | } |
7553 | |
7554 | Expr *Result |
7555 | = new (Context) CXXPseudoDestructorExpr(Context, Base, |
7556 | OpKind == tok::arrow, OpLoc, |
7557 | SS.getWithLocInContext(Context), |
7558 | ScopeTypeInfo, |
7559 | CCLoc, |
7560 | TildeLoc, |
7561 | Destructed); |
7562 | |
7563 | return Result; |
7564 | } |
7565 | |
7566 | ExprResult Sema::ActOnPseudoDestructorExpr(Scope *S, Expr *Base, |
7567 | SourceLocation OpLoc, |
7568 | tok::TokenKind OpKind, |
7569 | CXXScopeSpec &SS, |
7570 | UnqualifiedId &FirstTypeName, |
7571 | SourceLocation CCLoc, |
7572 | SourceLocation TildeLoc, |
7573 | UnqualifiedId &SecondTypeName) { |
7574 | assert((FirstTypeName.getKind() == UnqualifiedIdKind::IK_TemplateId || |
7575 | FirstTypeName.getKind() == UnqualifiedIdKind::IK_Identifier) && |
7576 | "Invalid first type name in pseudo-destructor"); |
7577 | assert((SecondTypeName.getKind() == UnqualifiedIdKind::IK_TemplateId || |
7578 | SecondTypeName.getKind() == UnqualifiedIdKind::IK_Identifier) && |
7579 | "Invalid second type name in pseudo-destructor"); |
7580 | |
7581 | QualType ObjectType; |
7582 | if (CheckArrow(*this, ObjectType, Base, OpKind, OpLoc)) |
7583 | return ExprError(); |
7584 | |
7585 | |
7586 | |
7587 | ParsedType ObjectTypePtrForLookup; |
7588 | if (!SS.isSet()) { |
7589 | if (ObjectType->isRecordType()) |
7590 | ObjectTypePtrForLookup = ParsedType::make(ObjectType); |
7591 | else if (ObjectType->isDependentType()) |
7592 | ObjectTypePtrForLookup = ParsedType::make(Context.DependentTy); |
7593 | } |
7594 | |
7595 | |
7596 | |
7597 | QualType DestructedType; |
7598 | TypeSourceInfo *DestructedTypeInfo = nullptr; |
7599 | PseudoDestructorTypeStorage Destructed; |
7600 | if (SecondTypeName.getKind() == UnqualifiedIdKind::IK_Identifier) { |
7601 | ParsedType T = getTypeName(*SecondTypeName.Identifier, |
7602 | SecondTypeName.StartLocation, |
7603 | S, &SS, true, false, ObjectTypePtrForLookup, |
7604 | true); |
7605 | if (!T && |
7606 | ((SS.isSet() && !computeDeclContext(SS, false)) || |
7607 | (!SS.isSet() && ObjectType->isDependentType()))) { |
7608 | |
7609 | |
7610 | |
7611 | |
7612 | Destructed = PseudoDestructorTypeStorage(SecondTypeName.Identifier, |
7613 | SecondTypeName.StartLocation); |
7614 | } else if (!T) { |
7615 | Diag(SecondTypeName.StartLocation, |
7616 | diag::err_pseudo_dtor_destructor_non_type) |
7617 | << SecondTypeName.Identifier << ObjectType; |
7618 | if (isSFINAEContext()) |
7619 | return ExprError(); |
7620 | |
7621 | |
7622 | DestructedType = ObjectType; |
7623 | } else |
7624 | DestructedType = GetTypeFromParser(T, &DestructedTypeInfo); |
7625 | } else { |
7626 | |
7627 | TemplateIdAnnotation *TemplateId = SecondTypeName.TemplateId; |
7628 | ASTTemplateArgsPtr TemplateArgsPtr(TemplateId->getTemplateArgs(), |
7629 | TemplateId->NumArgs); |
7630 | TypeResult T = ActOnTemplateIdType(S, |
7631 | SS, |
7632 | TemplateId->TemplateKWLoc, |
7633 | TemplateId->Template, |
7634 | TemplateId->Name, |
7635 | TemplateId->TemplateNameLoc, |
7636 | TemplateId->LAngleLoc, |
7637 | TemplateArgsPtr, |
7638 | TemplateId->RAngleLoc, |
7639 | true); |
7640 | if (T.isInvalid() || !T.get()) { |
7641 | |
7642 | DestructedType = ObjectType; |
7643 | } else |
7644 | DestructedType = GetTypeFromParser(T.get(), &DestructedTypeInfo); |
7645 | } |
7646 | |
7647 | |
7648 | |
7649 | if (!DestructedType.isNull()) { |
7650 | if (!DestructedTypeInfo) |
7651 | DestructedTypeInfo = Context.getTrivialTypeSourceInfo(DestructedType, |
7652 | SecondTypeName.StartLocation); |
7653 | Destructed = PseudoDestructorTypeStorage(DestructedTypeInfo); |
7654 | } |
7655 | |
7656 | |
7657 | TypeSourceInfo *ScopeTypeInfo = nullptr; |
7658 | QualType ScopeType; |
7659 | if (FirstTypeName.getKind() == UnqualifiedIdKind::IK_TemplateId || |
7660 | FirstTypeName.Identifier) { |
7661 | if (FirstTypeName.getKind() == UnqualifiedIdKind::IK_Identifier) { |
7662 | ParsedType T = getTypeName(*FirstTypeName.Identifier, |
7663 | FirstTypeName.StartLocation, |
7664 | S, &SS, true, false, ObjectTypePtrForLookup, |
7665 | true); |
7666 | if (!T) { |
7667 | Diag(FirstTypeName.StartLocation, |
7668 | diag::err_pseudo_dtor_destructor_non_type) |
7669 | << FirstTypeName.Identifier << ObjectType; |
7670 | |
7671 | if (isSFINAEContext()) |
7672 | return ExprError(); |
7673 | |
7674 | |
7675 | ScopeType = QualType(); |
7676 | } else |
7677 | ScopeType = GetTypeFromParser(T, &ScopeTypeInfo); |
7678 | } else { |
7679 | |
7680 | TemplateIdAnnotation *TemplateId = FirstTypeName.TemplateId; |
7681 | ASTTemplateArgsPtr TemplateArgsPtr(TemplateId->getTemplateArgs(), |
7682 | TemplateId->NumArgs); |
7683 | TypeResult T = ActOnTemplateIdType(S, |
7684 | SS, |
7685 | TemplateId->TemplateKWLoc, |
7686 | TemplateId->Template, |
7687 | TemplateId->Name, |
7688 | TemplateId->TemplateNameLoc, |
7689 | TemplateId->LAngleLoc, |
7690 | TemplateArgsPtr, |
7691 | TemplateId->RAngleLoc, |
7692 | true); |
7693 | if (T.isInvalid() || !T.get()) { |
7694 | |
7695 | ScopeType = QualType(); |
7696 | } else |
7697 | ScopeType = GetTypeFromParser(T.get(), &ScopeTypeInfo); |
7698 | } |
7699 | } |
7700 | |
7701 | if (!ScopeType.isNull() && !ScopeTypeInfo) |
7702 | ScopeTypeInfo = Context.getTrivialTypeSourceInfo(ScopeType, |
7703 | FirstTypeName.StartLocation); |
7704 | |
7705 | |
7706 | return BuildPseudoDestructorExpr(Base, OpLoc, OpKind, SS, |
7707 | ScopeTypeInfo, CCLoc, TildeLoc, |
7708 | Destructed); |
7709 | } |
7710 | |
7711 | ExprResult Sema::ActOnPseudoDestructorExpr(Scope *S, Expr *Base, |
7712 | SourceLocation OpLoc, |
7713 | tok::TokenKind OpKind, |
7714 | SourceLocation TildeLoc, |
7715 | const DeclSpec& DS) { |
7716 | QualType ObjectType; |
7717 | if (CheckArrow(*this, ObjectType, Base, OpKind, OpLoc)) |
7718 | return ExprError(); |
7719 | |
7720 | if (DS.getTypeSpecType() == DeclSpec::TST_decltype_auto) { |
7721 | Diag(DS.getTypeSpecTypeLoc(), diag::err_decltype_auto_invalid); |
7722 | return true; |
7723 | } |
7724 | |
7725 | QualType T = BuildDecltypeType(DS.getRepAsExpr(), DS.getTypeSpecTypeLoc(), |
7726 | false); |
7727 | |
7728 | TypeLocBuilder TLB; |
7729 | DecltypeTypeLoc DecltypeTL = TLB.push<DecltypeTypeLoc>(T); |
7730 | DecltypeTL.setNameLoc(DS.getTypeSpecTypeLoc()); |
7731 | TypeSourceInfo *DestructedTypeInfo = TLB.getTypeSourceInfo(Context, T); |
7732 | PseudoDestructorTypeStorage Destructed(DestructedTypeInfo); |
7733 | |
7734 | return BuildPseudoDestructorExpr(Base, OpLoc, OpKind, CXXScopeSpec(), |
7735 | nullptr, SourceLocation(), TildeLoc, |
7736 | Destructed); |
7737 | } |
7738 | |
7739 | ExprResult Sema::BuildCXXMemberCallExpr(Expr *E, NamedDecl *FoundDecl, |
7740 | CXXConversionDecl *Method, |
7741 | bool HadMultipleCandidates) { |
7742 | |
7743 | |
7744 | ExprResult Exp = PerformObjectArgumentInitialization(E, nullptr, |
7745 | FoundDecl, Method); |
7746 | if (Exp.isInvalid()) |
7747 | return true; |
7748 | |
7749 | if (Method->getParent()->isLambda() && |
7750 | Method->getConversionType()->isBlockPointerType()) { |
7751 | |
7752 | |
7753 | Expr *SubE = E; |
7754 | CastExpr *CE = dyn_cast<CastExpr>(SubE); |
7755 | if (CE && CE->getCastKind() == CK_NoOp) |
7756 | SubE = CE->getSubExpr(); |
7757 | SubE = SubE->IgnoreParens(); |
7758 | if (CXXBindTemporaryExpr *BE = dyn_cast<CXXBindTemporaryExpr>(SubE)) |
7759 | SubE = BE->getSubExpr(); |
7760 | if (isa<LambdaExpr>(SubE)) { |
7761 | |
7762 | |
7763 | |
7764 | |
7765 | |
7766 | PushExpressionEvaluationContext( |
7767 | ExpressionEvaluationContext::PotentiallyEvaluated); |
7768 | ExprResult BlockExp = BuildBlockForLambdaConversion( |
7769 | Exp.get()->getExprLoc(), Exp.get()->getExprLoc(), Method, Exp.get()); |
7770 | PopExpressionEvaluationContext(); |
7771 | |
7772 | |
7773 | if (BlockExp.isInvalid()) |
7774 | Diag(Exp.get()->getExprLoc(), diag::note_lambda_to_block_conv); |
7775 | return BlockExp; |
7776 | } |
7777 | } |
7778 | |
7779 | MemberExpr *ME = |
7780 | BuildMemberExpr(Exp.get(), false, SourceLocation(), |
7781 | NestedNameSpecifierLoc(), SourceLocation(), Method, |
7782 | DeclAccessPair::make(FoundDecl, FoundDecl->getAccess()), |
7783 | HadMultipleCandidates, DeclarationNameInfo(), |
7784 | Context.BoundMemberTy, VK_PRValue, OK_Ordinary); |
7785 | |
7786 | QualType ResultType = Method->getReturnType(); |
7787 | ExprValueKind VK = Expr::getValueKindForType(ResultType); |
7788 | ResultType = ResultType.getNonLValueExprType(Context); |
7789 | |
7790 | CXXMemberCallExpr *CE = CXXMemberCallExpr::Create( |
7791 | Context, ME, {}, ResultType, VK, Exp.get()->getEndLoc(), |
7792 | CurFPFeatureOverrides()); |
7793 | |
7794 | if (CheckFunctionCall(Method, CE, |
7795 | Method->getType()->castAs<FunctionProtoType>())) |
7796 | return ExprError(); |
7797 | |
7798 | return CheckForImmediateInvocation(CE, CE->getMethodDecl()); |
7799 | } |
7800 | |
7801 | ExprResult Sema::BuildCXXNoexceptExpr(SourceLocation KeyLoc, Expr *Operand, |
7802 | SourceLocation RParen) { |
7803 | |
7804 | |
7805 | |
7806 | ExprResult R = CheckPlaceholderExpr(Operand); |
7807 | if (R.isInvalid()) |
7808 | return R; |
7809 | |
7810 | R = CheckUnevaluatedOperand(R.get()); |
7811 | if (R.isInvalid()) |
7812 | return ExprError(); |
7813 | |
7814 | Operand = R.get(); |
7815 | |
7816 | if (!inTemplateInstantiation() && !Operand->isInstantiationDependent() && |
7817 | Operand->HasSideEffects(Context, false)) { |
7818 | |
7819 | |
7820 | Diag(Operand->getExprLoc(), diag::warn_side_effects_unevaluated_context); |
7821 | } |
7822 | |
7823 | CanThrowResult CanThrow = canThrow(Operand); |
7824 | return new (Context) |
7825 | CXXNoexceptExpr(Context.BoolTy, Operand, CanThrow, KeyLoc, RParen); |
7826 | } |
7827 | |
7828 | ExprResult Sema::ActOnNoexceptExpr(SourceLocation KeyLoc, SourceLocation, |
7829 | Expr *Operand, SourceLocation RParen) { |
7830 | return BuildCXXNoexceptExpr(KeyLoc, Operand, RParen); |
7831 | } |
7832 | |
7833 | static void MaybeDecrementCount( |
7834 | Expr *E, llvm::DenseMap<const VarDecl *, int> &RefsMinusAssignments) { |
7835 | DeclRefExpr *LHS = nullptr; |
7836 | if (BinaryOperator *BO = dyn_cast<BinaryOperator>(E)) { |
7837 | if (BO->getLHS()->getType()->isDependentType() || |
7838 | BO->getRHS()->getType()->isDependentType()) { |
7839 | if (BO->getOpcode() != BO_Assign) |
7840 | return; |
7841 | } else if (!BO->isAssignmentOp()) |
7842 | return; |
7843 | LHS = dyn_cast<DeclRefExpr>(BO->getLHS()); |
7844 | } else if (CXXOperatorCallExpr *COCE = dyn_cast<CXXOperatorCallExpr>(E)) { |
7845 | if (COCE->getOperator() != OO_Equal) |
7846 | return; |
7847 | LHS = dyn_cast<DeclRefExpr>(COCE->getArg(0)); |
7848 | } |
7849 | if (!LHS) |
7850 | return; |
7851 | VarDecl *VD = dyn_cast<VarDecl>(LHS->getDecl()); |
7852 | if (!VD) |
7853 | return; |
7854 | auto iter = RefsMinusAssignments.find(VD); |
7855 | if (iter == RefsMinusAssignments.end()) |
7856 | return; |
7857 | iter->getSecond()--; |
7858 | } |
7859 | |
7860 | |
7861 | |
7862 | ExprResult Sema::IgnoredValueConversions(Expr *E) { |
7863 | MaybeDecrementCount(E, RefsMinusAssignments); |
7864 | |
7865 | if (E->hasPlaceholderType()) { |
7866 | ExprResult result = CheckPlaceholderExpr(E); |
7867 | if (result.isInvalid()) return E; |
7868 | E = result.get(); |
7869 | } |
7870 | |
7871 | |
7872 | |
7873 | |
7874 | |
7875 | if (E->isPRValue()) { |
7876 | |
7877 | |
7878 | |
7879 | |
7880 | if (!getLangOpts().CPlusPlus && E->getType()->isFunctionType()) |
7881 | return DefaultFunctionArrayConversion(E); |
7882 | |
7883 | return E; |
7884 | } |
7885 | |
7886 | if (getLangOpts().CPlusPlus) { |
7887 | |
7888 | |
7889 | |
7890 | |
7891 | if (getLangOpts().CPlusPlus11 && E->isReadIfDiscardedInCPlusPlus11()) { |
7892 | ExprResult Res = DefaultLvalueConversion(E); |
7893 | if (Res.isInvalid()) |
7894 | return E; |
7895 | E = Res.get(); |
7896 | } else { |
7897 | |
7898 | |
7899 | CheckUnusedVolatileAssignment(E); |
7900 | } |
7901 | |
7902 | |
7903 | |
7904 | |
7905 | |
7906 | |
7907 | |
7908 | |
7909 | |
7910 | |
7911 | return E; |
7912 | } |
7913 | |
7914 | |
7915 | if (const EnumType *T = E->getType()->getAs<EnumType>()) { |
7916 | if (!T->getDecl()->isComplete()) { |
7917 | |
7918 | E = ImpCastExprToType(E, Context.VoidTy, CK_ToVoid).get(); |
7919 | return E; |
7920 | } |
7921 | } |
7922 | |
7923 | ExprResult Res = DefaultFunctionArrayLvalueConversion(E); |
7924 | if (Res.isInvalid()) |
7925 | return E; |
7926 | E = Res.get(); |
7927 | |
7928 | if (!E->getType()->isVoidType()) |
7929 | RequireCompleteType(E->getExprLoc(), E->getType(), |
7930 | diag::err_incomplete_type); |
7931 | return E; |
7932 | } |
7933 | |
7934 | ExprResult Sema::CheckUnevaluatedOperand(Expr *E) { |
7935 | |
7936 | |
7937 | CheckUnusedVolatileAssignment(E); |
7938 | |
7939 | return E; |
7940 | } |
7941 | |
7942 | |
7943 | |
7944 | |
7945 | |
7946 | |
7947 | |
7948 | |
7949 | |
7950 | |
7951 | |
7952 | |
7953 | |
7954 | static inline bool VariableCanNeverBeAConstantExpression(VarDecl *Var, |
7955 | ASTContext &Context) { |
7956 | if (isa<ParmVarDecl>(Var)) return true; |
7957 | const VarDecl *DefVD = nullptr; |
7958 | |
7959 | |
7960 | if (!Var->getAnyInitializer(DefVD)) return true; |
7961 | assert(DefVD); |
7962 | if (DefVD->isWeak()) return false; |
7963 | EvaluatedStmt *Eval = DefVD->ensureEvaluatedStmt(); |
7964 | |
7965 | Expr *Init = cast<Expr>(Eval->Value); |
7966 | |
7967 | if (Var->getType()->isDependentType() || Init->isValueDependent()) { |
7968 | |
7969 | |
7970 | |
7971 | return false; |
7972 | } |
7973 | |
7974 | return !Var->isUsableInConstantExpressions(Context); |
7975 | } |
7976 | |
7977 | |
7978 | |
7979 | |
7980 | |
7981 | |
7982 | |
7983 | |
7984 | static void CheckIfAnyEnclosingLambdasMustCaptureAnyPotentialCaptures( |
7985 | Expr *const FE, LambdaScopeInfo *const CurrentLSI, Sema &S) { |
7986 | |
7987 | assert(!S.isUnevaluatedContext()); |
7988 | assert(S.CurContext->isDependentContext()); |
7989 | #ifndef NDEBUG |
7990 | DeclContext *DC = S.CurContext; |
7991 | while (DC && isa<CapturedDecl>(DC)) |
7992 | DC = DC->getParent(); |
7993 | assert( |
7994 | CurrentLSI->CallOperator == DC && |
7995 | "The current call operator must be synchronized with Sema's CurContext"); |
7996 | #endif // NDEBUG |
7997 | |
7998 | const bool IsFullExprInstantiationDependent = FE->isInstantiationDependent(); |
7999 | |
8000 | |
8001 | |
8002 | |
8003 | CurrentLSI->visitPotentialCaptures([&] (VarDecl *Var, Expr *VarExpr) { |
8004 | |
8005 | |
8006 | |
8007 | |
8008 | |
8009 | |
8010 | |
8011 | |
8012 | |
8013 | |
8014 | |
8015 | if (CurrentLSI->isVariableExprMarkedAsNonODRUsed(VarExpr) && |
8016 | !IsFullExprInstantiationDependent) |
8017 | return; |
8018 | |
8019 | |
8020 | |
8021 | if (const Optional<unsigned> Index = |
8022 | getStackIndexOfNearestEnclosingCaptureCapableLambda( |
8023 | S.FunctionScopes, Var, S)) |
8024 | S.MarkCaptureUsedInEnclosingContext(Var, VarExpr->getExprLoc(), |
8025 | Index.getValue()); |
8026 | const bool IsVarNeverAConstantExpression = |
8027 | VariableCanNeverBeAConstantExpression(Var, S.Context); |
8028 | if (!IsFullExprInstantiationDependent || IsVarNeverAConstantExpression) { |
8029 | |
8030 | |
8031 | |
8032 | |
8033 | |
8034 | |
8035 | QualType CaptureType, DeclRefType; |
8036 | SourceLocation ExprLoc = VarExpr->getExprLoc(); |
8037 | if (S.tryCaptureVariable(Var, ExprLoc, S.TryCapture_Implicit, |
8038 | SourceLocation(), |
8039 | false, CaptureType, |
8040 | DeclRefType, nullptr)) { |
8041 | |
8042 | |
8043 | S.tryCaptureVariable(Var, ExprLoc, S.TryCapture_Implicit, |
8044 | SourceLocation(), |
8045 | true, CaptureType, |
8046 | DeclRefType, nullptr); |
8047 | } |
8048 | } |
8049 | }); |
8050 | |
8051 | |
8052 | if (CurrentLSI->hasPotentialThisCapture()) { |
8053 | |
8054 | |
8055 | if (const Optional<unsigned> Index = |
8056 | getStackIndexOfNearestEnclosingCaptureCapableLambda( |
8057 | S.FunctionScopes, nullptr, S)) { |
8058 | const unsigned FunctionScopeIndexOfCapturableLambda = Index.getValue(); |
8059 | S.CheckCXXThisCapture(CurrentLSI->PotentialThisCaptureLocation, |
8060 | false, true, |
8061 | &FunctionScopeIndexOfCapturableLambda); |
8062 | } |
8063 | } |
8064 | |
8065 | |
8066 | CurrentLSI->clearPotentialCaptures(); |
8067 | } |
8068 | |
8069 | static ExprResult attemptRecovery(Sema &SemaRef, |
8070 | const TypoCorrectionConsumer &Consumer, |
8071 | const TypoCorrection &TC) { |
8072 | LookupResult R(SemaRef, Consumer.getLookupResult().getLookupNameInfo(), |
8073 | Consumer.getLookupResult().getLookupKind()); |
8074 | const CXXScopeSpec *SS = Consumer.getSS(); |
8075 | CXXScopeSpec NewSS; |
8076 | |
8077 | |
8078 | if (auto *NNS = TC.getCorrectionSpecifier()) |
8079 | NewSS.MakeTrivial(SemaRef.Context, NNS, TC.getCorrectionRange()); |
8080 | else if (SS && !TC.WillReplaceSpecifier()) |
8081 | NewSS = *SS; |
8082 | |
8083 | if (auto *ND = TC.getFoundDecl()) { |
8084 | R.setLookupName(ND->getDeclName()); |
8085 | R.addDecl(ND); |
8086 | if (ND->isCXXClassMember()) { |
8087 | |
8088 | CXXRecordDecl *Record = nullptr; |
8089 | if (auto *NNS = TC.getCorrectionSpecifier()) |
8090 | Record = NNS->getAsType()->getAsCXXRecordDecl(); |
8091 | if (!Record) |
8092 | Record = |
8093 | dyn_cast<CXXRecordDecl>(ND->getDeclContext()->getRedeclContext()); |
8094 | if (Record) |
8095 | R.setNamingClass(Record); |
8096 | |
8097 | |
8098 | |
8099 | bool MightBeImplicitMember; |
8100 | if (!Consumer.isAddressOfOperand()) |
8101 | MightBeImplicitMember = true; |
8102 | else if (!NewSS.isEmpty()) |
8103 | MightBeImplicitMember = false; |
8104 | else if (R.isOverloadedResult()) |
8105 | MightBeImplicitMember = false; |
8106 | else if (R.isUnresolvableResult()) |
8107 | MightBeImplicitMember = true; |
8108 | else |
8109 | MightBeImplicitMember = isa<FieldDecl>(ND) || |
8110 | isa<IndirectFieldDecl>(ND) || |
8111 | isa<MSPropertyDecl>(ND); |
8112 | |
8113 | if (MightBeImplicitMember) |
8114 | return SemaRef.BuildPossibleImplicitMemberExpr( |
8115 | NewSS, SourceLocation(), R, |
8116 | nullptr, nullptr); |
8117 | } else if (auto *Ivar = dyn_cast<ObjCIvarDecl>(ND)) { |
8118 | return SemaRef.LookupInObjCMethod(R, Consumer.getScope(), |
8119 | Ivar->getIdentifier()); |
8120 | } |
8121 | } |
8122 | |
8123 | return SemaRef.BuildDeclarationNameExpr(NewSS, R, false, |
8124 | true); |
8125 | } |
8126 | |
8127 | namespace { |
8128 | class FindTypoExprs : public RecursiveASTVisitor<FindTypoExprs> { |
8129 | llvm::SmallSetVector<TypoExpr *, 2> &TypoExprs; |
8130 | |
8131 | public: |
8132 | explicit FindTypoExprs(llvm::SmallSetVector<TypoExpr *, 2> &TypoExprs) |
8133 | : TypoExprs(TypoExprs) {} |
8134 | bool VisitTypoExpr(TypoExpr *TE) { |
8135 | TypoExprs.insert(TE); |
8136 | return true; |
8137 | } |
8138 | }; |
8139 | |
8140 | class TransformTypos : public TreeTransform<TransformTypos> { |
8141 | typedef TreeTransform<TransformTypos> BaseTransform; |
8142 | |
8143 | VarDecl *InitDecl; |
8144 | |
8145 | llvm::function_ref<ExprResult(Expr *)> ExprFilter; |
8146 | llvm::SmallSetVector<TypoExpr *, 2> TypoExprs, AmbiguousTypoExprs; |
8147 | llvm::SmallDenseMap<TypoExpr *, ExprResult, 2> TransformCache; |
8148 | llvm::SmallDenseMap<OverloadExpr *, Expr *, 4> OverloadResolution; |
8149 | |
8150 | |
8151 | |
8152 | |
8153 | |
8154 | |
8155 | |
8156 | |
8157 | |
8158 | |
8159 | |
8160 | void EmitAllDiagnostics(bool IsAmbiguous) { |
8161 | for (TypoExpr *TE : TypoExprs) { |
8162 | auto &State = SemaRef.getTypoExprState(TE); |
8163 | if (State.DiagHandler) { |
8164 | TypoCorrection TC = IsAmbiguous |
8165 | ? TypoCorrection() : State.Consumer->getCurrentCorrection(); |
8166 | ExprResult Replacement = IsAmbiguous ? ExprError() : TransformCache[TE]; |
8167 | |
8168 | |
8169 | |
8170 | |
8171 | |
8172 | |
8173 | if (auto *ND = getDeclFromExpr( |
8174 | Replacement.isInvalid() ? nullptr : Replacement.get())) |
8175 | TC.setCorrectionDecl(ND); |
8176 | |
8177 | State.DiagHandler(TC); |
8178 | } |
8179 | SemaRef.clearDelayedTypo(TE); |
8180 | } |
8181 | } |
8182 | |
8183 | |
8184 | |
8185 | |
8186 | |
8187 | |
8188 | |
8189 | |
8190 | |
8191 | |
8192 | |
8193 | |
8194 | |
8195 | |
8196 | |
8197 | bool CheckAndAdvanceTypoExprCorrectionStreams() { |
8198 | for (auto TE : TypoExprs) { |
8199 | auto &State = SemaRef.getTypoExprState(TE); |
8200 | TransformCache.erase(TE); |
8201 | if (!State.Consumer->hasMadeAnyCorrectionProgress()) |
8202 | return false; |
8203 | if (!State.Consumer->finished()) |
8204 | return true; |
8205 | State.Consumer->resetCorrectionStream(); |
8206 | } |
8207 | return false; |
8208 | } |
8209 | |
8210 | NamedDecl *getDeclFromExpr(Expr *E) { |
8211 | if (auto *OE = dyn_cast_or_null<OverloadExpr>(E)) |
8212 | E = OverloadResolution[OE]; |
8213 | |
8214 | if (!E) |
8215 | return nullptr; |
8216 | if (auto *DRE = dyn_cast<DeclRefExpr>(E)) |
8217 | return DRE->getFoundDecl(); |
8218 | if (auto *ME = dyn_cast<MemberExpr>(E)) |
8219 | return ME->getFoundDecl(); |
8220 | |
8221 | |
8222 | |
8223 | return nullptr; |
8224 | } |
8225 | |
8226 | ExprResult TryTransform(Expr *E) { |
8227 | Sema::SFINAETrap Trap(SemaRef); |
8228 | ExprResult Res = TransformExpr(E); |
8229 | if (Trap.hasErrorOccurred() || Res.isInvalid()) |
8230 | return ExprError(); |
8231 | |
8232 | return ExprFilter(Res.get()); |
8233 | } |
8234 | |
8235 | |
8236 | |
8237 | |
8238 | ExprResult CheckForRecursiveTypos(ExprResult Res, bool &IsAmbiguous) { |
8239 | if (Res.isInvalid()) { |
8240 | return Res; |
8241 | } |
8242 | |
8243 | |
8244 | Expr *FixedExpr = Res.get(); |
8245 | |
8246 | auto SavedTypoExprs = std::move(TypoExprs); |
8247 | auto SavedAmbiguousTypoExprs = std::move(AmbiguousTypoExprs); |
8248 | TypoExprs.clear(); |
8249 | AmbiguousTypoExprs.clear(); |
8250 | |
8251 | FindTypoExprs(TypoExprs).TraverseStmt(FixedExpr); |
8252 | if (!TypoExprs.empty()) { |
8253 | |
8254 | |
8255 | ExprResult RecurResult = |
8256 | RecursiveTransformLoop(FixedExpr, IsAmbiguous); |
8257 | if (RecurResult.isInvalid()) { |
8258 | Res = ExprError(); |
8259 | |
8260 | |
8261 | |
8262 | |
8263 | |
8264 | auto &SemaTypoExprs = SemaRef.TypoExprs; |
8265 | for (auto TE : TypoExprs) { |
8266 | TransformCache.erase(TE); |
8267 | SemaRef.clearDelayedTypo(TE); |
8268 | |
8269 | auto SI = find(SemaTypoExprs, TE); |
8270 | if (SI != SemaTypoExprs.end()) { |
8271 | SemaTypoExprs.erase(SI); |
8272 | } |
8273 | } |
8274 | } else { |
8275 | |
8276 | |
8277 | Res = RecurResult; |
8278 | SavedTypoExprs.set_union(TypoExprs); |
8279 | } |
8280 | } |
8281 | |
8282 | TypoExprs = std::move(SavedTypoExprs); |
8283 | AmbiguousTypoExprs = std::move(SavedAmbiguousTypoExprs); |
8284 | |
8285 | return Res; |
8286 | } |
8287 | |
8288 | |
8289 | |
8290 | |
8291 | |
8292 | |
8293 | ExprResult RecursiveTransformLoop(Expr *E, bool &IsAmbiguous) { |
8294 | ExprResult Res; |
8295 | auto SavedTypoExprs = std::move(SemaRef.TypoExprs); |
8296 | SemaRef.TypoExprs.clear(); |
8297 | |
8298 | while (true) { |
8299 | Res = CheckForRecursiveTypos(TryTransform(E), IsAmbiguous); |
8300 | |
8301 | |
8302 | |
8303 | if (IsAmbiguous) |
8304 | break; |
8305 | |
8306 | |
8307 | |
8308 | if (!Res.isInvalid()) |
8309 | break; |
8310 | |
8311 | |
8312 | |
8313 | if (!CheckAndAdvanceTypoExprCorrectionStreams()) |
8314 | break; |
8315 | } |
8316 | |
8317 | |
8318 | if (!IsAmbiguous && !Res.isInvalid() && !AmbiguousTypoExprs.empty()) { |
8319 | auto SavedTransformCache = |
8320 | llvm::SmallDenseMap<TypoExpr *, ExprResult, 2>(TransformCache); |
8321 | |
8322 | |
8323 | |
8324 | while (!AmbiguousTypoExprs.empty()) { |
8325 | auto TE = AmbiguousTypoExprs.back(); |
8326 | |
8327 | |
8328 | |
8329 | SemaRef.getTypoExprState(TE).Consumer->saveCurrentPosition(); |
8330 | |
8331 | TypoCorrection TC = SemaRef.getTypoExprState(TE).Consumer->peekNextCorrection(); |
8332 | TypoCorrection Next; |
8333 | do { |
8334 | |
8335 | |
8336 | |
8337 | TransformCache.erase(TE); |
8338 | ExprResult AmbigRes = CheckForRecursiveTypos(TryTransform(E), IsAmbiguous); |
8339 | |
8340 | if (!AmbigRes.isInvalid() || IsAmbiguous) { |
8341 | SemaRef.getTypoExprState(TE).Consumer->resetCorrectionStream(); |
8342 | SavedTransformCache.erase(TE); |
8343 | Res = ExprError(); |
8344 | IsAmbiguous = true; |
8345 | break; |
8346 | } |
8347 | } while ((Next = SemaRef.getTypoExprState(TE).Consumer->peekNextCorrection()) && |
8348 | Next.getEditDistance(false) == TC.getEditDistance(false)); |
8349 | |
8350 | if (IsAmbiguous) |
8351 | break; |
8352 | |
8353 | AmbiguousTypoExprs.remove(TE); |
8354 | SemaRef.getTypoExprState(TE).Consumer->restoreSavedPosition(); |
8355 | TransformCache[TE] = SavedTransformCache[TE]; |
8356 | } |
8357 | TransformCache = std::move(SavedTransformCache); |
8358 | } |
8359 | |
8360 | |
8361 | |
8362 | |
8363 | |
8364 | auto &SemaTypoExprs = SemaRef.TypoExprs; |
8365 | for (auto Iterator = SemaTypoExprs.begin(); Iterator != SemaTypoExprs.end();) { |
8366 | auto TE = *Iterator; |
8367 | auto FI = find(TypoExprs, TE); |
8368 | if (FI != TypoExprs.end()) { |
8369 | Iterator++; |
8370 | continue; |
8371 | } |
8372 | SemaRef.clearDelayedTypo(TE); |
8373 | Iterator = SemaTypoExprs.erase(Iterator); |
8374 | } |
8375 | SemaRef.TypoExprs = std::move(SavedTypoExprs); |
8376 | |
8377 | return Res; |
8378 | } |
8379 | |
8380 | public: |
8381 | TransformTypos(Sema &SemaRef, VarDecl *InitDecl, llvm::function_ref<ExprResult(Expr *)> Filter) |
8382 | : BaseTransform(SemaRef), InitDecl(InitDecl), ExprFilter(Filter) {} |
8383 | |
8384 | ExprResult RebuildCallExpr(Expr *Callee, SourceLocation LParenLoc, |
8385 | MultiExprArg Args, |
8386 | SourceLocation RParenLoc, |
8387 | Expr *ExecConfig = nullptr) { |
8388 | auto Result = BaseTransform::RebuildCallExpr(Callee, LParenLoc, Args, |
8389 | RParenLoc, ExecConfig); |
8390 | if (auto *OE = dyn_cast<OverloadExpr>(Callee)) { |
8391 | if (Result.isUsable()) { |
8392 | Expr *ResultCall = Result.get(); |
8393 | if (auto *BE = dyn_cast<CXXBindTemporaryExpr>(ResultCall)) |
8394 | ResultCall = BE->getSubExpr(); |
8395 | if (auto *CE = dyn_cast<CallExpr>(ResultCall)) |
8396 | OverloadResolution[OE] = CE->getCallee(); |
8397 | } |
8398 | } |
8399 | return Result; |
8400 | } |
8401 | |
8402 | ExprResult TransformLambdaExpr(LambdaExpr *E) { return Owned(E); } |
8403 | |
8404 | ExprResult TransformBlockExpr(BlockExpr *E) { return Owned(E); } |
8405 | |
8406 | ExprResult Transform(Expr *E) { |
8407 | bool IsAmbiguous = false; |
8408 | ExprResult Res = RecursiveTransformLoop(E, IsAmbiguous); |
8409 | |
8410 | if (!Res.isUsable()) |
8411 | FindTypoExprs(TypoExprs).TraverseStmt(E); |
8412 | |
8413 | EmitAllDiagnostics(IsAmbiguous); |
8414 | |
8415 | return Res; |
8416 | } |
8417 | |
8418 | ExprResult TransformTypoExpr(TypoExpr *E) { |
8419 | |
8420 | |
8421 | |
8422 | auto &CacheEntry = TransformCache[E]; |
8423 | if (!TypoExprs.insert(E) && !CacheEntry.isUnset()) { |
8424 | return CacheEntry; |
8425 | } |
8426 | |
8427 | auto &State = SemaRef.getTypoExprState(E); |
8428 | assert(State.Consumer && "Cannot transform a cleared TypoExpr"); |
8429 | |
8430 | |
8431 | |
8432 | while (TypoCorrection TC = State.Consumer->getNextCorrection()) { |
8433 | if (InitDecl && TC.getFoundDecl() == InitDecl) |
8434 | continue; |
8435 | |
8436 | |
8437 | ExprResult NE = State.RecoveryHandler ? |
8438 | State.RecoveryHandler(SemaRef, E, TC) : |
8439 | attemptRecovery(SemaRef, *State.Consumer, TC); |
8440 | if (!NE.isInvalid()) { |
8441 | |
8442 | |
8443 | |
8444 | TypoCorrection Next; |
8445 | if ((Next = State.Consumer->peekNextCorrection()) && |
8446 | Next.getEditDistance(false) == TC.getEditDistance(false)) { |
8447 | AmbiguousTypoExprs.insert(E); |
8448 | } else { |
8449 | AmbiguousTypoExprs.remove(E); |
8450 | } |
8451 | assert(!NE.isUnset() && |
8452 | "Typo was transformed into a valid-but-null ExprResult"); |
8453 | return CacheEntry = NE; |
8454 | } |
8455 | } |
8456 | return CacheEntry = ExprError(); |
8457 | } |
8458 | }; |
8459 | } |
8460 | |
8461 | ExprResult |
8462 | Sema::CorrectDelayedTyposInExpr(Expr *E, VarDecl *InitDecl, |
8463 | bool RecoverUncorrectedTypos, |
8464 | llvm::function_ref<ExprResult(Expr *)> Filter) { |
8465 | |
8466 | |
8467 | |
8468 | if (E && !ExprEvalContexts.empty() && ExprEvalContexts.back().NumTypos && |
8469 | (E->isTypeDependent() || E->isValueDependent() || |
8470 | E->isInstantiationDependent())) { |
8471 | auto TyposResolved = DelayedTypos.size(); |
8472 | auto Result = TransformTypos(*this, InitDecl, Filter).Transform(E); |
8473 | TyposResolved -= DelayedTypos.size(); |
8474 | if (Result.isInvalid() || Result.get() != E) { |
8475 | ExprEvalContexts.back().NumTypos -= TyposResolved; |
8476 | if (Result.isInvalid() && RecoverUncorrectedTypos) { |
8477 | struct TyposReplace : TreeTransform<TyposReplace> { |
8478 | TyposReplace(Sema &SemaRef) : TreeTransform(SemaRef) {} |
8479 | ExprResult TransformTypoExpr(clang::TypoExpr *E) { |
8480 | return this->SemaRef.CreateRecoveryExpr(E->getBeginLoc(), |
8481 | E->getEndLoc(), {}); |
8482 | } |
8483 | } TT(*this); |
8484 | return TT.TransformExpr(E); |
8485 | } |
8486 | return Result; |
8487 | } |
8488 | assert(TyposResolved == 0 && "Corrected typo but got same Expr back?"); |
8489 | } |
8490 | return E; |
8491 | } |
8492 | |
8493 | ExprResult Sema::ActOnFinishFullExpr(Expr *FE, SourceLocation CC, |
8494 | bool DiscardedValue, |
8495 | bool IsConstexpr) { |
8496 | ExprResult FullExpr = FE; |
8497 | |
8498 | if (!FullExpr.get()) |
8499 | return ExprError(); |
8500 | |
8501 | if (DiagnoseUnexpandedParameterPack(FullExpr.get())) |
8502 | return ExprError(); |
8503 | |
8504 | if (DiscardedValue) { |
8505 | |
8506 | if (getLangOpts().DebuggerCastResultToId && |
8507 | FullExpr.get()->getType() == Context.UnknownAnyTy) { |
8508 | FullExpr = forceUnknownAnyToType(FullExpr.get(), Context.getObjCIdType()); |
8509 | if (FullExpr.isInvalid()) |
8510 | return ExprError(); |
8511 | } |
8512 | |
8513 | FullExpr = CheckPlaceholderExpr(FullExpr.get()); |
8514 | if (FullExpr.isInvalid()) |
8515 | return ExprError(); |
8516 | |
8517 | FullExpr = IgnoredValueConversions(FullExpr.get()); |
8518 | if (FullExpr.isInvalid()) |
8519 | return ExprError(); |
8520 | |
8521 | DiagnoseUnusedExprResult(FullExpr.get()); |
8522 | } |
8523 | |
8524 | FullExpr = CorrectDelayedTyposInExpr(FullExpr.get(), nullptr, |
8525 | true); |
8526 | if (FullExpr.isInvalid()) |
8527 | return ExprError(); |
8528 | |
8529 | CheckCompletedExpr(FullExpr.get(), CC, IsConstexpr); |
8530 | |
8531 | |
8532 | |
8533 | |
8534 | |
8535 | |
8536 | |
8537 | |
8538 | |
8539 | |
8540 | |
8541 | |
8542 | |
8543 | |
8544 | |
8545 | |
8546 | |
8547 | |
8548 | |
8549 | |
8550 | |
8551 | |
8552 | |
8553 | |
8554 | |
8555 | |
8556 | |
8557 | |
8558 | |
8559 | |
8560 | |
8561 | LambdaScopeInfo *const CurrentLSI = |
8562 | getCurLambda(true); |
8563 | |
8564 | |
8565 | |
8566 | |
8567 | |
8568 | |
8569 | |
8570 | |
8571 | |
8572 | |
8573 | |
8574 | |
8575 | |
8576 | |
8577 | DeclContext *DC = CurContext; |
8578 | while (DC && isa<CapturedDecl>(DC)) |
8579 | DC = DC->getParent(); |
8580 | const bool IsInLambdaDeclContext = isLambdaCallOperator(DC); |
8581 | if (IsInLambdaDeclContext && CurrentLSI && |
8582 | CurrentLSI->hasPotentialCaptures() && !FullExpr.isInvalid()) |
8583 | CheckIfAnyEnclosingLambdasMustCaptureAnyPotentialCaptures(FE, CurrentLSI, |
8584 | *this); |
8585 | return MaybeCreateExprWithCleanups(FullExpr); |
8586 | } |
8587 | |
8588 | StmtResult Sema::ActOnFinishFullStmt(Stmt *FullStmt) { |
8589 | if (!FullStmt) return StmtError(); |
8590 | |
8591 | return MaybeCreateStmtWithCleanups(FullStmt); |
8592 | } |
8593 | |
8594 | Sema::IfExistsResult |
8595 | Sema::CheckMicrosoftIfExistsSymbol(Scope *S, |
8596 | CXXScopeSpec &SS, |
8597 | const DeclarationNameInfo &TargetNameInfo) { |
8598 | DeclarationName TargetName = TargetNameInfo.getName(); |
8599 | if (!TargetName) |
8600 | return IER_DoesNotExist; |
8601 | |
8602 | |
8603 | if (TargetName.isDependentName()) |
8604 | return IER_Dependent; |
8605 | |
8606 | |
8607 | LookupResult R(*this, TargetNameInfo, Sema::LookupAnyName, |
8608 | Sema::NotForRedeclaration); |
8609 | LookupParsedName(R, S, &SS); |
8610 | R.suppressDiagnostics(); |
8611 | |
8612 | switch (R.getResultKind()) { |
8613 | case LookupResult::Found: |
8614 | case LookupResult::FoundOverloaded: |
8615 | case LookupResult::FoundUnresolvedValue: |
8616 | case LookupResult::Ambiguous: |
8617 | return IER_Exists; |
8618 | |
8619 | case LookupResult::NotFound: |
8620 | return IER_DoesNotExist; |
8621 | |
8622 | case LookupResult::NotFoundInCurrentInstantiation: |
8623 | return IER_Dependent; |
8624 | } |
8625 | |
8626 | llvm_unreachable("Invalid LookupResult Kind!"); |
8627 | } |
8628 | |
8629 | Sema::IfExistsResult |
8630 | Sema::CheckMicrosoftIfExistsSymbol(Scope *S, SourceLocation KeywordLoc, |
8631 | bool IsIfExists, CXXScopeSpec &SS, |
8632 | UnqualifiedId &Name) { |
8633 | DeclarationNameInfo TargetNameInfo = GetNameFromUnqualifiedId(Name); |
8634 | |
8635 | |
8636 | auto UPPC = IsIfExists ? UPPC_IfExists : UPPC_IfNotExists; |
8637 | if (DiagnoseUnexpandedParameterPack(SS, UPPC) || |
8638 | DiagnoseUnexpandedParameterPack(TargetNameInfo, UPPC)) |
8639 | return IER_Error; |
8640 | |
8641 | return CheckMicrosoftIfExistsSymbol(S, SS, TargetNameInfo); |
8642 | } |
8643 | |
8644 | concepts::Requirement *Sema::ActOnSimpleRequirement(Expr *E) { |
8645 | return BuildExprRequirement(E, true, |
8646 | SourceLocation(), |
8647 | {}); |
8648 | } |
8649 | |
8650 | concepts::Requirement * |
8651 | Sema::ActOnTypeRequirement(SourceLocation TypenameKWLoc, CXXScopeSpec &SS, |
8652 | SourceLocation NameLoc, IdentifierInfo *TypeName, |
8653 | TemplateIdAnnotation *TemplateId) { |
8654 | assert(((!TypeName && TemplateId) || (TypeName && !TemplateId)) && |
8655 | "Exactly one of TypeName and TemplateId must be specified."); |
8656 | TypeSourceInfo *TSI = nullptr; |
8657 | if (TypeName) { |
8658 | QualType T = CheckTypenameType(ETK_Typename, TypenameKWLoc, |
8659 | SS.getWithLocInContext(Context), *TypeName, |
8660 | NameLoc, &TSI, false); |
8661 | if (T.isNull()) |
8662 | return nullptr; |
8663 | } else { |
8664 | ASTTemplateArgsPtr ArgsPtr(TemplateId->getTemplateArgs(), |
8665 | TemplateId->NumArgs); |
8666 | TypeResult T = ActOnTypenameType(CurScope, TypenameKWLoc, SS, |
8667 | TemplateId->TemplateKWLoc, |
8668 | TemplateId->Template, TemplateId->Name, |
8669 | TemplateId->TemplateNameLoc, |
8670 | TemplateId->LAngleLoc, ArgsPtr, |
8671 | TemplateId->RAngleLoc); |
8672 | if (T.isInvalid()) |
8673 | return nullptr; |
8674 | if (GetTypeFromParser(T.get(), &TSI).isNull()) |
8675 | return nullptr; |
8676 | } |
8677 | return BuildTypeRequirement(TSI); |
8678 | } |
8679 | |
8680 | concepts::Requirement * |
8681 | Sema::ActOnCompoundRequirement(Expr *E, SourceLocation NoexceptLoc) { |
8682 | return BuildExprRequirement(E, false, NoexceptLoc, |
8683 | {}); |
8684 | } |
8685 | |
8686 | concepts::Requirement * |
8687 | Sema::ActOnCompoundRequirement( |
8688 | Expr *E, SourceLocation NoexceptLoc, CXXScopeSpec &SS, |
8689 | TemplateIdAnnotation *TypeConstraint, unsigned Depth) { |
8690 | |
8691 | |
8692 | |
8693 | |
8694 | |
8695 | |
8696 | |
8697 | |
8698 | |
8699 | |
8700 | |
8701 | auto &II = Context.Idents.get("expr-type"); |
8702 | auto *TParam = TemplateTypeParmDecl::Create(Context, CurContext, |
8703 | SourceLocation(), |
8704 | SourceLocation(), Depth, |
8705 | 0, &II, |
8706 | true, |
8707 | false, |
8708 | true); |
8709 | |
8710 | if (BuildTypeConstraint(SS, TypeConstraint, TParam, |
8711 | SourceLocation(), |
8712 | true)) |
8713 | |
8714 | return BuildExprRequirement(E, false, NoexceptLoc, {}); |
8715 | |
8716 | auto *TPL = TemplateParameterList::Create(Context, SourceLocation(), |
8717 | SourceLocation(), |
8718 | ArrayRef<NamedDecl *>(TParam), |
8719 | SourceLocation(), |
8720 | nullptr); |
8721 | return BuildExprRequirement( |
8722 | E, false, NoexceptLoc, |
8723 | concepts::ExprRequirement::ReturnTypeRequirement(TPL)); |
8724 | } |
8725 | |
8726 | concepts::ExprRequirement * |
8727 | Sema::BuildExprRequirement( |
8728 | Expr *E, bool IsSimple, SourceLocation NoexceptLoc, |
8729 | concepts::ExprRequirement::ReturnTypeRequirement ReturnTypeRequirement) { |
8730 | auto Status = concepts::ExprRequirement::SS_Satisfied; |
8731 | ConceptSpecializationExpr *SubstitutedConstraintExpr = nullptr; |
8732 | if (E->isInstantiationDependent() || ReturnTypeRequirement.isDependent()) |
8733 | Status = concepts::ExprRequirement::SS_Dependent; |
8734 | else if (NoexceptLoc.isValid() && canThrow(E) == CanThrowResult::CT_Can) |
8735 | Status = concepts::ExprRequirement::SS_NoexceptNotMet; |
8736 | else if (ReturnTypeRequirement.isSubstitutionFailure()) |
8737 | Status = concepts::ExprRequirement::SS_TypeRequirementSubstitutionFailure; |
8738 | else if (ReturnTypeRequirement.isTypeConstraint()) { |
8739 | |
8740 | |
8741 | |
8742 | TemplateParameterList *TPL = |
8743 | ReturnTypeRequirement.getTypeConstraintTemplateParameterList(); |
8744 | QualType MatchedType = |
8745 | getDecltypeForParenthesizedExpr(E).getCanonicalType(); |
8746 | llvm::SmallVector<TemplateArgument, 1> Args; |
8747 | Args.push_back(TemplateArgument(MatchedType)); |
8748 | TemplateArgumentList TAL(TemplateArgumentList::OnStack, Args); |
8749 | MultiLevelTemplateArgumentList MLTAL(TAL); |
8750 | for (unsigned I = 0; I < TPL->getDepth(); ++I) |
8751 | MLTAL.addOuterRetainedLevel(); |
8752 | Expr *IDC = |
8753 | cast<TemplateTypeParmDecl>(TPL->getParam(0))->getTypeConstraint() |
8754 | ->getImmediatelyDeclaredConstraint(); |
8755 | ExprResult Constraint = SubstExpr(IDC, MLTAL); |
8756 | assert(!Constraint.isInvalid() && |
8757 | "Substitution cannot fail as it is simply putting a type template " |
8758 | "argument into a concept specialization expression's parameter."); |
8759 | |
8760 | SubstitutedConstraintExpr = |
8761 | cast<ConceptSpecializationExpr>(Constraint.get()); |
8762 | if (!SubstitutedConstraintExpr->isSatisfied()) |
8763 | Status = concepts::ExprRequirement::SS_ConstraintsNotSatisfied; |
8764 | } |
8765 | return new (Context) concepts::ExprRequirement(E, IsSimple, NoexceptLoc, |
8766 | ReturnTypeRequirement, Status, |
8767 | SubstitutedConstraintExpr); |
8768 | } |
8769 | |
8770 | concepts::ExprRequirement * |
8771 | Sema::BuildExprRequirement( |
8772 | concepts::Requirement::SubstitutionDiagnostic *ExprSubstitutionDiagnostic, |
8773 | bool IsSimple, SourceLocation NoexceptLoc, |
8774 | concepts::ExprRequirement::ReturnTypeRequirement ReturnTypeRequirement) { |
8775 | return new (Context) concepts::ExprRequirement(ExprSubstitutionDiagnostic, |
8776 | IsSimple, NoexceptLoc, |
8777 | ReturnTypeRequirement); |
8778 | } |
8779 | |
8780 | concepts::TypeRequirement * |
8781 | Sema::BuildTypeRequirement(TypeSourceInfo *Type) { |
8782 | return new (Context) concepts::TypeRequirement(Type); |
8783 | } |
8784 | |
8785 | concepts::TypeRequirement * |
8786 | Sema::BuildTypeRequirement( |
8787 | concepts::Requirement::SubstitutionDiagnostic *SubstDiag) { |
8788 | return new (Context) concepts::TypeRequirement(SubstDiag); |
8789 | } |
8790 | |
8791 | concepts::Requirement *Sema::ActOnNestedRequirement(Expr *Constraint) { |
8792 | return BuildNestedRequirement(Constraint); |
8793 | } |
8794 | |
8795 | concepts::NestedRequirement * |
8796 | Sema::BuildNestedRequirement(Expr *Constraint) { |
8797 | ConstraintSatisfaction Satisfaction; |
8798 | if (!Constraint->isInstantiationDependent() && |
8799 | CheckConstraintSatisfaction(nullptr, {Constraint}, {}, |
8800 | Constraint->getSourceRange(), Satisfaction)) |
8801 | return nullptr; |
8802 | return new (Context) concepts::NestedRequirement(Context, Constraint, |
8803 | Satisfaction); |
8804 | } |
8805 | |
8806 | concepts::NestedRequirement * |
8807 | Sema::BuildNestedRequirement( |
8808 | concepts::Requirement::SubstitutionDiagnostic *SubstDiag) { |
8809 | return new (Context) concepts::NestedRequirement(SubstDiag); |
8810 | } |
8811 | |
8812 | RequiresExprBodyDecl * |
8813 | Sema::ActOnStartRequiresExpr(SourceLocation RequiresKWLoc, |
8814 | ArrayRef<ParmVarDecl *> LocalParameters, |
8815 | Scope *BodyScope) { |
8816 | assert(BodyScope); |
8817 | |
8818 | RequiresExprBodyDecl *Body = RequiresExprBodyDecl::Create(Context, CurContext, |
8819 | RequiresKWLoc); |
8820 | |
8821 | PushDeclContext(BodyScope, Body); |
8822 | |
8823 | for (ParmVarDecl *Param : LocalParameters) { |
8824 | if (Param->hasDefaultArg()) |
8825 | |
8826 | |
8827 | |
8828 | Diag(Param->getDefaultArgRange().getBegin(), |
8829 | diag::err_requires_expr_local_parameter_default_argument); |
8830 | |
8831 | |
8832 | Param->setDeclContext(Body); |
8833 | |
8834 | if (Param->getIdentifier()) { |
8835 | CheckShadow(BodyScope, Param); |
8836 | PushOnScopeChains(Param, BodyScope); |
8837 | } |
8838 | } |
8839 | return Body; |
8840 | } |
8841 | |
8842 | void Sema::ActOnFinishRequiresExpr() { |
8843 | assert(CurContext && "DeclContext imbalance!"); |
8844 | CurContext = CurContext->getLexicalParent(); |
8845 | assert(CurContext && "Popped translation unit!"); |
8846 | } |
8847 | |
8848 | ExprResult |
8849 | Sema::ActOnRequiresExpr(SourceLocation RequiresKWLoc, |
8850 | RequiresExprBodyDecl *Body, |
8851 | ArrayRef<ParmVarDecl *> LocalParameters, |
8852 | ArrayRef<concepts::Requirement *> Requirements, |
8853 | SourceLocation ClosingBraceLoc) { |
8854 | auto *RE = RequiresExpr::Create(Context, RequiresKWLoc, Body, LocalParameters, |
8855 | Requirements, ClosingBraceLoc); |
8856 | if (DiagnoseUnexpandedParameterPackInRequiresExpr(RE)) |
8857 | return ExprError(); |
8858 | return RE; |
8859 | } |
1 | |
2 | |
3 | |
4 | |
5 | |
6 | |
7 | |
8 | |
9 | |
10 | |
11 | |
12 | |
13 | |
14 | #ifndef LLVM_CLANG_SEMA_SEMA_H |
15 | #define LLVM_CLANG_SEMA_SEMA_H |
16 | |
17 | #include "clang/AST/ASTConcept.h" |
18 | #include "clang/AST/ASTFwd.h" |
19 | #include "clang/AST/Attr.h" |
20 | #include "clang/AST/Availability.h" |
21 | #include "clang/AST/ComparisonCategories.h" |
22 | #include "clang/AST/DeclTemplate.h" |
23 | #include "clang/AST/DeclarationName.h" |
24 | #include "clang/AST/Expr.h" |
25 | #include "clang/AST/ExprCXX.h" |
26 | #include "clang/AST/ExprConcepts.h" |
27 | #include "clang/AST/ExprObjC.h" |
28 | #include "clang/AST/ExprOpenMP.h" |
29 | #include "clang/AST/ExternalASTSource.h" |
30 | #include "clang/AST/LocInfoType.h" |
31 | #include "clang/AST/MangleNumberingContext.h" |
32 | #include "clang/AST/NSAPI.h" |
33 | #include "clang/AST/PrettyPrinter.h" |
34 | #include "clang/AST/StmtCXX.h" |
35 | #include "clang/AST/StmtOpenMP.h" |
36 | #include "clang/AST/TypeLoc.h" |
37 | #include "clang/AST/TypeOrdering.h" |
38 | #include "clang/Basic/BitmaskEnum.h" |
39 | #include "clang/Basic/Builtins.h" |
40 | #include "clang/Basic/DarwinSDKInfo.h" |
41 | #include "clang/Basic/ExpressionTraits.h" |
42 | #include "clang/Basic/Module.h" |
43 | #include "clang/Basic/OpenCLOptions.h" |
44 | #include "clang/Basic/OpenMPKinds.h" |
45 | #include "clang/Basic/PragmaKinds.h" |
46 | #include "clang/Basic/Specifiers.h" |
47 | #include "clang/Basic/TemplateKinds.h" |
48 | #include "clang/Basic/TypeTraits.h" |
49 | #include "clang/Sema/AnalysisBasedWarnings.h" |
50 | #include "clang/Sema/CleanupInfo.h" |
51 | #include "clang/Sema/DeclSpec.h" |
52 | #include "clang/Sema/ExternalSemaSource.h" |
53 | #include "clang/Sema/IdentifierResolver.h" |
54 | #include "clang/Sema/ObjCMethodList.h" |
55 | #include "clang/Sema/Ownership.h" |
56 | #include "clang/Sema/Scope.h" |
57 | #include "clang/Sema/SemaConcept.h" |
58 | #include "clang/Sema/TypoCorrection.h" |
59 | #include "clang/Sema/Weak.h" |
60 | #include "llvm/ADT/ArrayRef.h" |
61 | #include "llvm/ADT/Optional.h" |
62 | #include "llvm/ADT/SetVector.h" |
63 | #include "llvm/ADT/SmallBitVector.h" |
64 | #include "llvm/ADT/SmallPtrSet.h" |
65 | #include "llvm/ADT/SmallSet.h" |
66 | #include "llvm/ADT/SmallVector.h" |
67 | #include "llvm/ADT/TinyPtrVector.h" |
68 | #include "llvm/Frontend/OpenMP/OMPConstants.h" |
69 | #include <deque> |
70 | #include <memory> |
71 | #include <string> |
72 | #include <tuple> |
73 | #include <vector> |
74 | |
75 | namespace llvm { |
76 | class APSInt; |
77 | template <typename ValueT> struct DenseMapInfo; |
78 | template <typename ValueT, typename ValueInfoT> class DenseSet; |
79 | class SmallBitVector; |
80 | struct InlineAsmIdentifierInfo; |
81 | } |
82 | |
83 | namespace clang { |
84 | class ADLResult; |
85 | class ASTConsumer; |
86 | class ASTContext; |
87 | class ASTMutationListener; |
88 | class ASTReader; |
89 | class ASTWriter; |
90 | class ArrayType; |
91 | class ParsedAttr; |
92 | class BindingDecl; |
93 | class BlockDecl; |
94 | class CapturedDecl; |
95 | class CXXBasePath; |
96 | class CXXBasePaths; |
97 | class CXXBindTemporaryExpr; |
98 | typedef SmallVector<CXXBaseSpecifier*, 4> CXXCastPath; |
99 | class CXXConstructorDecl; |
100 | class CXXConversionDecl; |
101 | class CXXDeleteExpr; |
102 | class CXXDestructorDecl; |
103 | class CXXFieldCollector; |
104 | class CXXMemberCallExpr; |
105 | class CXXMethodDecl; |
106 | class CXXScopeSpec; |
107 | class CXXTemporary; |
108 | class CXXTryStmt; |
109 | class CallExpr; |
110 | class ClassTemplateDecl; |
111 | class ClassTemplatePartialSpecializationDecl; |
112 | class ClassTemplateSpecializationDecl; |
113 | class VarTemplatePartialSpecializationDecl; |
114 | class CodeCompleteConsumer; |
115 | class CodeCompletionAllocator; |
116 | class CodeCompletionTUInfo; |
117 | class CodeCompletionResult; |
118 | class CoroutineBodyStmt; |
119 | class Decl; |
120 | class DeclAccessPair; |
121 | class DeclContext; |
122 | class DeclRefExpr; |
123 | class DeclaratorDecl; |
124 | class DeducedTemplateArgument; |
125 | class DependentDiagnostic; |
126 | class DesignatedInitExpr; |
127 | class Designation; |
128 | class EnableIfAttr; |
129 | class EnumConstantDecl; |
130 | class Expr; |
131 | class ExtVectorType; |
132 | class FormatAttr; |
133 | class FriendDecl; |
134 | class FunctionDecl; |
135 | class FunctionProtoType; |
136 | class FunctionTemplateDecl; |
137 | class ImplicitConversionSequence; |
138 | typedef MutableArrayRef<ImplicitConversionSequence> ConversionSequenceList; |
139 | class InitListExpr; |
140 | class InitializationKind; |
141 | class InitializationSequence; |
142 | class InitializedEntity; |
143 | class IntegerLiteral; |
144 | class LabelStmt; |
145 | class LambdaExpr; |
146 | class LangOptions; |
147 | class LocalInstantiationScope; |
148 | class LookupResult; |
149 | class MacroInfo; |
150 | typedef ArrayRef<std::pair<IdentifierInfo *, SourceLocation>> ModuleIdPath; |
151 | class ModuleLoader; |
152 | class MultiLevelTemplateArgumentList; |
153 | class NamedDecl; |
154 | class ObjCCategoryDecl; |
155 | class ObjCCategoryImplDecl; |
156 | class ObjCCompatibleAliasDecl; |
157 | class ObjCContainerDecl; |
158 | class ObjCImplDecl; |
159 | class ObjCImplementationDecl; |
160 | class ObjCInterfaceDecl; |
161 | class ObjCIvarDecl; |
162 | template <class T> class ObjCList; |
163 | class ObjCMessageExpr; |
164 | class ObjCMethodDecl; |
165 | class ObjCPropertyDecl; |
166 | class ObjCProtocolDecl; |
167 | class OMPThreadPrivateDecl; |
168 | class OMPRequiresDecl; |
169 | class OMPDeclareReductionDecl; |
170 | class OMPDeclareSimdDecl; |
171 | class OMPClause; |
172 | struct OMPVarListLocTy; |
173 | struct OverloadCandidate; |
174 | enum class OverloadCandidateParamOrder : char; |
175 | enum OverloadCandidateRewriteKind : unsigned; |
176 | class OverloadCandidateSet; |
177 | class OverloadExpr; |
178 | class ParenListExpr; |
179 | class ParmVarDecl; |
180 | class Preprocessor; |
181 | class PseudoDestructorTypeStorage; |
182 | class PseudoObjectExpr; |
183 | class QualType; |
184 | class StandardConversionSequence; |
185 | class Stmt; |
186 | class StringLiteral; |
187 | class SwitchStmt; |
188 | class TemplateArgument; |
189 | class TemplateArgumentList; |
190 | class TemplateArgumentLoc; |
191 | class TemplateDecl; |
192 | class TemplateInstantiationCallback; |
193 | class TemplateParameterList; |
194 | class TemplatePartialOrderingContext; |
195 | class TemplateTemplateParmDecl; |
196 | class Token; |
197 | class TypeAliasDecl; |
198 | class TypedefDecl; |
199 | class TypedefNameDecl; |
200 | class TypeLoc; |
201 | class TypoCorrectionConsumer; |
202 | class UnqualifiedId; |
203 | class UnresolvedLookupExpr; |
204 | class UnresolvedMemberExpr; |
205 | class UnresolvedSetImpl; |
206 | class UnresolvedSetIterator; |
207 | class UsingDecl; |
208 | class UsingShadowDecl; |
209 | class ValueDecl; |
210 | class VarDecl; |
211 | class VarTemplateSpecializationDecl; |
212 | class VisibilityAttr; |
213 | class VisibleDeclConsumer; |
214 | class IndirectFieldDecl; |
215 | struct DeductionFailureInfo; |
216 | class TemplateSpecCandidateSet; |
217 | |
218 | namespace sema { |
219 | class AccessedEntity; |
220 | class BlockScopeInfo; |
221 | class Capture; |
222 | class CapturedRegionScopeInfo; |
223 | class CapturingScopeInfo; |
224 | class CompoundScopeInfo; |
225 | class DelayedDiagnostic; |
226 | class DelayedDiagnosticPool; |
227 | class FunctionScopeInfo; |
228 | class LambdaScopeInfo; |
229 | class PossiblyUnreachableDiag; |
230 | class SemaPPCallbacks; |
231 | class TemplateDeductionInfo; |
232 | } |
233 | |
234 | namespace threadSafety { |
235 | class BeforeSet; |
236 | void threadSafetyCleanup(BeforeSet* Cache); |
237 | } |
238 | |
239 | |
240 | |
241 | typedef std::pair<llvm::PointerUnion<const TemplateTypeParmType*, NamedDecl*>, |
242 | SourceLocation> UnexpandedParameterPack; |
243 | |
244 | |
245 | |
246 | struct FileNullability { |
247 | |
248 | |
249 | SourceLocation PointerLoc; |
250 | |
251 | |
252 | |
253 | SourceLocation PointerEndLoc; |
254 | |
255 | |
256 | uint8_t PointerKind; |
257 | |
258 | |
259 | bool SawTypeNullability = false; |
260 | }; |
261 | |
262 | |
263 | |
264 | class FileNullabilityMap { |
265 | |
266 | llvm::DenseMap<FileID, FileNullability> Map; |
267 | |
268 | |
269 | struct { |
270 | FileID File; |
271 | FileNullability Nullability; |
272 | } Cache; |
273 | |
274 | public: |
275 | FileNullability &operator[](FileID file) { |
276 | |
277 | if (file == Cache.File) |
278 | return Cache.Nullability; |
279 | |
280 | |
281 | if (!Cache.File.isInvalid()) { |
282 | Map[Cache.File] = Cache.Nullability; |
283 | } |
284 | |
285 | |
286 | Cache.File = file; |
287 | Cache.Nullability = Map[file]; |
288 | return Cache.Nullability; |
289 | } |
290 | }; |
291 | |
292 | |
293 | |
294 | |
295 | |
296 | class PreferredTypeBuilder { |
297 | public: |
298 | PreferredTypeBuilder(bool Enabled) : Enabled(Enabled) {} |
299 | |
300 | void enterCondition(Sema &S, SourceLocation Tok); |
301 | void enterReturn(Sema &S, SourceLocation Tok); |
302 | void enterVariableInit(SourceLocation Tok, Decl *D); |
303 | |
304 | void enterDesignatedInitializer(SourceLocation Tok, QualType BaseType, |
305 | const Designation &D); |
306 | |
307 | |
308 | |
309 | |
310 | |
311 | |
312 | |
313 | |
314 | |
315 | void enterFunctionArgument(SourceLocation Tok, |
316 | llvm::function_ref<QualType()> ComputeType); |
317 | |
318 | void enterParenExpr(SourceLocation Tok, SourceLocation LParLoc); |
319 | void enterUnary(Sema &S, SourceLocation Tok, tok::TokenKind OpKind, |
320 | SourceLocation OpLoc); |
321 | void enterBinary(Sema &S, SourceLocation Tok, Expr *LHS, tok::TokenKind Op); |
322 | void enterMemAccess(Sema &S, SourceLocation Tok, Expr *Base); |
323 | void enterSubscript(Sema &S, SourceLocation Tok, Expr *LHS); |
324 | |
325 | void enterTypeCast(SourceLocation Tok, QualType CastType); |
326 | |
327 | |
328 | |
329 | |
330 | |
331 | |
332 | |
333 | QualType get(SourceLocation Tok) const { |
334 | if (!Enabled || Tok != ExpectedLoc) |
335 | return QualType(); |
336 | if (!Type.isNull()) |
337 | return Type; |
338 | if (ComputeType) |
339 | return ComputeType(); |
340 | return QualType(); |
341 | } |
342 | |
343 | private: |
344 | bool Enabled; |
345 | |
346 | SourceLocation ExpectedLoc; |
347 | |
348 | QualType Type; |
349 | |
350 | |
351 | llvm::function_ref<QualType()> ComputeType; |
352 | }; |
353 | |
354 | |
355 | class Sema final { |
356 | Sema(const Sema &) = delete; |
357 | void operator=(const Sema &) = delete; |
358 | |
359 | |
360 | ExternalSemaSource *ExternalSource; |
361 | |
362 | |
363 | bool isMultiplexExternalSource; |
364 | |
365 | static bool mightHaveNonExternalLinkage(const DeclaratorDecl *FD); |
366 | |
367 | bool isVisibleSlow(const NamedDecl *D); |
368 | |
369 | |
370 | |
371 | |
372 | bool shouldLinkPossiblyHiddenDecl(const NamedDecl *Old, |
373 | const NamedDecl *New) { |
374 | if (isVisible(Old)) |
375 | return true; |
376 | |
377 | |
378 | if (New->isExternallyDeclarable()) { |
379 | assert(Old->isExternallyDeclarable() && |
380 | "should not have found a non-externally-declarable previous decl"); |
381 | return true; |
382 | } |
383 | return false; |
384 | } |
385 | bool shouldLinkPossiblyHiddenDecl(LookupResult &Old, const NamedDecl *New); |
386 | |
387 | void setupImplicitSpecialMemberType(CXXMethodDecl *SpecialMem, |
388 | QualType ResultTy, |
389 | ArrayRef<QualType> Args); |
390 | |
391 | public: |
392 | |
393 | |
394 | |
395 | |
396 | |
397 | |
398 | |
399 | static const unsigned MaxAlignmentExponent = 29; |
400 | static const unsigned MaximumAlignment = 1u << MaxAlignmentExponent; |
401 | |
402 | typedef OpaquePtr<DeclGroupRef> DeclGroupPtrTy; |
403 | typedef OpaquePtr<TemplateName> TemplateTy; |
404 | typedef OpaquePtr<QualType> TypeTy; |
405 | |
406 | OpenCLOptions OpenCLFeatures; |
407 | FPOptions CurFPFeatures; |
408 | |
409 | const LangOptions &LangOpts; |
410 | Preprocessor &PP; |
411 | ASTContext &Context; |
412 | ASTConsumer &Consumer; |
413 | DiagnosticsEngine &Diags; |
414 | SourceManager &SourceMgr; |
415 | |
416 | |
417 | bool CollectStats; |
418 | |
419 | |
420 | CodeCompleteConsumer *CodeCompleter; |
421 | |
422 | |
423 | DeclContext *CurContext; |
424 | |
425 | |
426 | |
427 | DeclContext *OriginalLexicalContext; |
428 | |
429 | |
430 | |
431 | DeclarationName VAListTagName; |
432 | |
433 | bool MSStructPragmaOn; |
434 | |
435 | |
436 | LangOptions::PragmaMSPointersToMembersKind |
437 | MSPointerToMemberRepresentationMethod; |
438 | |
439 | |
440 | SmallVector<Scope*, 2> CurrentSEHFinally; |
441 | |
442 | |
443 | SourceLocation ImplicitMSInheritanceAttrLoc; |
444 | |
445 | |
446 | |
447 | |
448 | |
449 | llvm::SmallVector<TypoExpr *, 2> TypoExprs; |
450 | |
451 | |
452 | enum PragmaClangSectionKind { |
453 | PCSK_Invalid = 0, |
454 | PCSK_BSS = 1, |
455 | PCSK_Data = 2, |
456 | PCSK_Rodata = 3, |
457 | PCSK_Text = 4, |
458 | PCSK_Relro = 5 |
459 | }; |
460 | |
461 | enum PragmaClangSectionAction { |
462 | PCSA_Set = 0, |
463 | PCSA_Clear = 1 |
464 | }; |
465 | |
466 | struct PragmaClangSection { |
467 | std::string SectionName; |
468 | bool Valid = false; |
469 | SourceLocation PragmaLocation; |
470 | }; |
471 | |
472 | PragmaClangSection PragmaClangBSSSection; |
473 | PragmaClangSection PragmaClangDataSection; |
474 | PragmaClangSection PragmaClangRodataSection; |
475 | PragmaClangSection PragmaClangRelroSection; |
476 | PragmaClangSection PragmaClangTextSection; |
477 | |
478 | enum PragmaMsStackAction { |
479 | PSK_Reset = 0x0, |
480 | PSK_Set = 0x1, |
481 | PSK_Push = 0x2, |
482 | PSK_Pop = 0x4, |
483 | PSK_Show = 0x8, |
484 | PSK_Push_Set = PSK_Push | PSK_Set, |
485 | PSK_Pop_Set = PSK_Pop | PSK_Set, |
486 | }; |
487 | |
488 | |
489 | class AlignPackInfo { |
490 | public: |
491 | |
492 | |
493 | enum Mode : unsigned char { Native, Natural, Packed, Mac68k }; |
494 | |
495 | |
496 | AlignPackInfo(AlignPackInfo::Mode M, unsigned Num, bool IsXL) |
497 | : PackAttr(true), AlignMode(M), PackNumber(Num), XLStack(IsXL) { |
498 | assert(Num == PackNumber && "The pack number has been truncated."); |
499 | } |
500 | |
501 | |
502 | AlignPackInfo(AlignPackInfo::Mode M, bool IsXL) |
503 | : PackAttr(false), AlignMode(M), |
504 | PackNumber(M == Packed ? 1 : UninitPackVal), XLStack(IsXL) {} |
505 | |
506 | explicit AlignPackInfo(bool IsXL) : AlignPackInfo(Native, IsXL) {} |
507 | |
508 | AlignPackInfo() : AlignPackInfo(Native, false) {} |
509 | |
510 | |
511 | |
512 | |
513 | static uint32_t getRawEncoding(const AlignPackInfo &Info) { |
514 | std::uint32_t Encoding{}; |
515 | if (Info.IsXLStack()) |
516 | Encoding |= IsXLMask; |
517 | |
518 | Encoding |= static_cast<uint32_t>(Info.getAlignMode()) << 1; |
519 | |
520 | if (Info.IsPackAttr()) |
521 | Encoding |= PackAttrMask; |
522 | |
523 | Encoding |= static_cast<uint32_t>(Info.getPackNumber()) << 4; |
524 | |
525 | return Encoding; |
526 | } |
527 | |
528 | static AlignPackInfo getFromRawEncoding(unsigned Encoding) { |
529 | bool IsXL = static_cast<bool>(Encoding & IsXLMask); |
530 | AlignPackInfo::Mode M = |
531 | static_cast<AlignPackInfo::Mode>((Encoding & AlignModeMask) >> 1); |
532 | int PackNumber = (Encoding & PackNumMask) >> 4; |
533 | |
534 | if (Encoding & PackAttrMask) |
535 | return AlignPackInfo(M, PackNumber, IsXL); |
536 | |
537 | return AlignPackInfo(M, IsXL); |
538 | } |
539 | |
540 | bool IsPackAttr() const { return PackAttr; } |
541 | |
542 | bool IsAlignAttr() const { return !PackAttr; } |
543 | |
544 | Mode getAlignMode() const { return AlignMode; } |
545 | |
546 | unsigned getPackNumber() const { return PackNumber; } |
547 | |
548 | bool IsPackSet() const { |
549 | |
550 | |
551 | return PackNumber != UninitPackVal && PackNumber != 0; |
552 | } |
553 | |
554 | bool IsXLStack() const { return XLStack; } |
555 | |
556 | bool operator==(const AlignPackInfo &Info) const { |
557 | return std::tie(AlignMode, PackNumber, PackAttr, XLStack) == |
558 | std::tie(Info.AlignMode, Info.PackNumber, Info.PackAttr, |
559 | Info.XLStack); |
560 | } |
561 | |
562 | bool operator!=(const AlignPackInfo &Info) const { |
563 | return !(*this == Info); |
564 | } |
565 | |
566 | private: |
567 | |
568 | |
569 | bool PackAttr; |
570 | |
571 | |
572 | Mode AlignMode; |
573 | |
574 | |
575 | unsigned char PackNumber; |
576 | |
577 | |
578 | bool XLStack; |
579 | |
580 | |
581 | static constexpr unsigned char UninitPackVal = -1; |
582 | |
583 | |
584 | static constexpr uint32_t IsXLMask{0x0000'0001}; |
585 | static constexpr uint32_t AlignModeMask{0x0000'0006}; |
586 | static constexpr uint32_t PackAttrMask{0x00000'0008}; |
587 | static constexpr uint32_t PackNumMask{0x0000'01F0}; |
588 | }; |
589 | |
590 | template<typename ValueType> |
591 | struct PragmaStack { |
592 | struct Slot { |
593 | llvm::StringRef StackSlotLabel; |
594 | ValueType Value; |
595 | SourceLocation PragmaLocation; |
596 | SourceLocation PragmaPushLocation; |
597 | Slot(llvm::StringRef StackSlotLabel, ValueType Value, |
598 | SourceLocation PragmaLocation, SourceLocation PragmaPushLocation) |
599 | : StackSlotLabel(StackSlotLabel), Value(Value), |
600 | PragmaLocation(PragmaLocation), |
601 | PragmaPushLocation(PragmaPushLocation) {} |
602 | }; |
603 | |
604 | void Act(SourceLocation PragmaLocation, PragmaMsStackAction Action, |
605 | llvm::StringRef StackSlotLabel, ValueType Value) { |
606 | if (Action == PSK_Reset) { |
607 | CurrentValue = DefaultValue; |
608 | CurrentPragmaLocation = PragmaLocation; |
609 | return; |
610 | } |
611 | if (Action & PSK_Push) |
612 | Stack.emplace_back(StackSlotLabel, CurrentValue, CurrentPragmaLocation, |
613 | PragmaLocation); |
614 | else if (Action & PSK_Pop) { |
615 | if (!StackSlotLabel.empty()) { |
616 | |
617 | auto I = llvm::find_if(llvm::reverse(Stack), [&](const Slot &x) { |
618 | return x.StackSlotLabel == StackSlotLabel; |
619 | }); |
620 | |
621 | if (I != Stack.rend()) { |
622 | CurrentValue = I->Value; |
623 | CurrentPragmaLocation = I->PragmaLocation; |
624 | Stack.erase(std::prev(I.base()), Stack.end()); |
625 | } |
626 | } else if (!Stack.empty()) { |
627 | |
628 | CurrentValue = Stack.back().Value; |
629 | CurrentPragmaLocation = Stack.back().PragmaLocation; |
630 | Stack.pop_back(); |
631 | } |
632 | } |
633 | if (Action & PSK_Set) { |
634 | CurrentValue = Value; |
635 | CurrentPragmaLocation = PragmaLocation; |
636 | } |
637 | } |
638 | |
639 | |
640 | |
641 | |
642 | |
643 | |
644 | |
645 | |
646 | |
647 | |
648 | |
649 | |
650 | |
651 | |
652 | |
653 | void SentinelAction(PragmaMsStackAction Action, StringRef Label) { |
654 | assert((Action == PSK_Push || Action == PSK_Pop) && |
655 | "Can only push / pop #pragma stack sentinels!"); |
656 | Act(CurrentPragmaLocation, Action, Label, CurrentValue); |
657 | } |
658 | |
659 | |
660 | explicit PragmaStack(const ValueType &Default) |
661 | : DefaultValue(Default), CurrentValue(Default) {} |
662 | |
663 | bool hasValue() const { return CurrentValue != DefaultValue; } |
664 | |
665 | SmallVector<Slot, 2> Stack; |
666 | ValueType DefaultValue; |
667 | ValueType CurrentValue; |
668 | SourceLocation CurrentPragmaLocation; |
669 | }; |
670 | |
671 | |
672 | |
673 | |
674 | |
675 | |
676 | |
677 | |
678 | |
679 | |
680 | |
681 | PragmaStack<MSVtorDispMode> VtorDispStack; |
682 | PragmaStack<AlignPackInfo> AlignPackStack; |
683 | |
684 | struct AlignPackIncludeState { |
685 | AlignPackInfo CurrentValue; |
686 | SourceLocation CurrentPragmaLocation; |
687 | bool HasNonDefaultValue, ShouldWarnOnInclude; |
688 | }; |
689 | SmallVector<AlignPackIncludeState, 8> AlignPackIncludeStack; |
690 | |
691 | PragmaStack<StringLiteral *> DataSegStack; |
692 | PragmaStack<StringLiteral *> BSSSegStack; |
693 | PragmaStack<StringLiteral *> ConstSegStack; |
694 | PragmaStack<StringLiteral *> CodeSegStack; |
695 | |
696 | |
697 | PragmaStack<FPOptionsOverride> FpPragmaStack; |
698 | FPOptionsOverride CurFPFeatureOverrides() { |
699 | FPOptionsOverride result; |
700 | if (!FpPragmaStack.hasValue()) { |
701 | result = FPOptionsOverride(); |
702 | } else { |
703 | result = FpPragmaStack.CurrentValue; |
704 | } |
705 | return result; |
706 | } |
707 | |
708 | |
709 | |
710 | class PragmaStackSentinelRAII { |
711 | public: |
712 | PragmaStackSentinelRAII(Sema &S, StringRef SlotLabel, bool ShouldAct); |
713 | ~PragmaStackSentinelRAII(); |
714 | |
715 | private: |
716 | Sema &S; |
717 | StringRef SlotLabel; |
718 | bool ShouldAct; |
719 | }; |
720 | |
721 | |
722 | FileNullabilityMap NullabilityMap; |
723 | |
724 | |
725 | StringLiteral *CurInitSeg; |
726 | SourceLocation CurInitSegLoc; |
727 | |
728 | |
729 | void *VisContext; |
730 | |
731 | |
732 | struct PragmaAttributeEntry { |
733 | SourceLocation Loc; |
734 | ParsedAttr *Attribute; |
735 | SmallVector<attr::SubjectMatchRule, 4> MatchRules; |
736 | bool IsUsed; |
737 | }; |
738 | |
739 | |
740 | struct PragmaAttributeGroup { |
741 | |
742 | SourceLocation Loc; |
743 | |
744 | const IdentifierInfo *Namespace; |
745 | SmallVector<PragmaAttributeEntry, 2> Entries; |
746 | }; |
747 | |
748 | SmallVector<PragmaAttributeGroup, 2> PragmaAttributeStack; |
749 | |
750 | |
751 | |
752 | const Decl *PragmaAttributeCurrentTargetDecl; |
753 | |
754 | |
755 | |
756 | |
757 | SourceLocation OptimizeOffPragmaLocation; |
758 | |
759 | |
760 | |
761 | |
762 | |
763 | bool IsBuildingRecoveryCallExpr; |
764 | |
765 | |
766 | CleanupInfo Cleanup; |
767 | |
768 | |
769 | |
770 | SmallVector<ExprWithCleanups::CleanupObject, 8> ExprCleanupObjects; |
771 | |
772 | |
773 | |
774 | |
775 | |
776 | |
777 | using MaybeODRUseExprSet = llvm::SetVector<Expr *, SmallVector<Expr *, 4>, |
778 | llvm::SmallPtrSet<Expr *, 4>>; |
779 | MaybeODRUseExprSet MaybeODRUseExprs; |
780 | |
781 | std::unique_ptr<sema::FunctionScopeInfo> CachedFunctionScope; |
782 | |
783 | |
784 | |
785 | SmallVector<sema::FunctionScopeInfo *, 4> FunctionScopes; |
786 | |
787 | |
788 | |
789 | unsigned FunctionScopesStart = 0; |
790 | |
791 | ArrayRef<sema::FunctionScopeInfo*> getFunctionScopes() const { |
792 | return llvm::makeArrayRef(FunctionScopes.begin() + FunctionScopesStart, |
793 | FunctionScopes.end()); |
794 | } |
795 | |
796 | |
797 | |
798 | |
799 | |
800 | |
801 | SmallVector<InventedTemplateParameterInfo, 4> InventedParameterInfos; |
802 | |
803 | |
804 | |
805 | unsigned InventedParameterInfosStart = 0; |
806 | |
807 | ArrayRef<InventedTemplateParameterInfo> getInventedParameterInfos() const { |
808 | return llvm::makeArrayRef(InventedParameterInfos.begin() + |
809 | InventedParameterInfosStart, |
810 | InventedParameterInfos.end()); |
811 | } |
812 | |
813 | typedef LazyVector<TypedefNameDecl *, ExternalSemaSource, |
814 | &ExternalSemaSource::ReadExtVectorDecls, 2, 2> |
815 | ExtVectorDeclsType; |
816 | |
817 | |
818 | |
819 | |
820 | ExtVectorDeclsType ExtVectorDecls; |
821 | |
822 | |
823 | std::unique_ptr<CXXFieldCollector> FieldCollector; |
824 | |
825 | typedef llvm::SmallSetVector<NamedDecl *, 16> NamedDeclSetType; |
826 | |
827 | |
828 | NamedDeclSetType UnusedPrivateFields; |
829 | |
830 | |
831 | llvm::SmallSetVector<const TypedefNameDecl *, 4> |
832 | UnusedLocalTypedefNameCandidates; |
833 | |
834 | |
835 | |
836 | |
837 | |
838 | |
839 | typedef std::pair<SourceLocation, bool> DeleteExprLoc; |
840 | typedef llvm::SmallVector<DeleteExprLoc, 4> DeleteLocs; |
841 | llvm::MapVector<FieldDecl *, DeleteLocs> DeleteExprs; |
842 | |
843 | typedef llvm::SmallPtrSet<const CXXRecordDecl*, 8> RecordDeclSetTy; |
844 | |
845 | |
846 | |
847 | |
848 | std::unique_ptr<RecordDeclSetTy> PureVirtualClassDiagSet; |
849 | |
850 | |
851 | |
852 | llvm::SmallPtrSet<const Decl*, 4> ParsingInitForAutoVars; |
853 | |
854 | |
855 | NamedDecl *findLocallyScopedExternCDecl(DeclarationName Name); |
856 | |
857 | typedef LazyVector<VarDecl *, ExternalSemaSource, |
858 | &ExternalSemaSource::ReadTentativeDefinitions, 2, 2> |
859 | TentativeDefinitionsType; |
860 | |
861 | |
862 | TentativeDefinitionsType TentativeDefinitions; |
863 | |
864 | |
865 | SmallVector<VarDecl *, 4> ExternalDeclarations; |
866 | |
867 | typedef LazyVector<const DeclaratorDecl *, ExternalSemaSource, |
868 | &ExternalSemaSource::ReadUnusedFileScopedDecls, 2, 2> |
869 | UnusedFileScopedDeclsType; |
870 | |
871 | |
872 | |
873 | UnusedFileScopedDeclsType UnusedFileScopedDecls; |
874 | |
875 | typedef LazyVector<CXXConstructorDecl *, ExternalSemaSource, |
876 | &ExternalSemaSource::ReadDelegatingConstructors, 2, 2> |
877 | DelegatingCtorDeclsType; |
878 | |
879 | |
880 | |
881 | DelegatingCtorDeclsType DelegatingCtorDecls; |
882 | |
883 | |
884 | |
885 | |
886 | SmallVector<std::pair<const CXXMethodDecl*, const CXXMethodDecl*>, 2> |
887 | DelayedOverridingExceptionSpecChecks; |
888 | |
889 | |
890 | |
891 | |
892 | |
893 | |
894 | SmallVector<std::pair<FunctionDecl*, FunctionDecl*>, 2> |
895 | DelayedEquivalentExceptionSpecChecks; |
896 | |
897 | typedef llvm::MapVector<const FunctionDecl *, |
898 | std::unique_ptr<LateParsedTemplate>> |
899 | LateParsedTemplateMapT; |
900 | LateParsedTemplateMapT LateParsedTemplateMap; |
901 | |
902 | |
903 | typedef void LateTemplateParserCB(void *P, LateParsedTemplate &LPT); |
904 | typedef void LateTemplateParserCleanupCB(void *P); |
905 | LateTemplateParserCB *LateTemplateParser; |
906 | LateTemplateParserCleanupCB *LateTemplateParserCleanup; |
907 | void *OpaqueParser; |
908 | |
909 | void SetLateTemplateParser(LateTemplateParserCB *LTP, |
910 | LateTemplateParserCleanupCB *LTPCleanup, |
911 | void *P) { |
912 | LateTemplateParser = LTP; |
913 | LateTemplateParserCleanup = LTPCleanup; |
914 | OpaqueParser = P; |
915 | } |
916 | |
917 | |
918 | |
919 | void AddSYCLKernelLambda(const FunctionDecl *FD); |
920 | |
921 | class DelayedDiagnostics; |
922 | |
923 | class DelayedDiagnosticsState { |
924 | sema::DelayedDiagnosticPool *SavedPool; |
925 | friend class Sema::DelayedDiagnostics; |
926 | }; |
927 | typedef DelayedDiagnosticsState ParsingDeclState; |
928 | typedef DelayedDiagnosticsState ProcessingContextState; |
929 | |
930 | |
931 | |
932 | class DelayedDiagnostics { |
933 | |
934 | |
935 | sema::DelayedDiagnosticPool *CurPool; |
936 | |
937 | public: |
938 | DelayedDiagnostics() : CurPool(nullptr) {} |
939 | |
940 | |
941 | void add(const sema::DelayedDiagnostic &diag); |
942 | |
943 | |
944 | bool shouldDelayDiagnostics() { return CurPool != nullptr; } |
945 | |
946 | |
947 | sema::DelayedDiagnosticPool *getCurrentPool() const { |
948 | return CurPool; |
949 | } |
950 | |
951 | |
952 | |
953 | DelayedDiagnosticsState push(sema::DelayedDiagnosticPool &pool) { |
954 | DelayedDiagnosticsState state; |
955 | state.SavedPool = CurPool; |
956 | CurPool = &pool; |
957 | return state; |
958 | } |
959 | |
960 | |
961 | |
962 | |
963 | void popWithoutEmitting(DelayedDiagnosticsState state) { |
964 | CurPool = state.SavedPool; |
965 | } |
966 | |
967 | |
968 | |
969 | DelayedDiagnosticsState pushUndelayed() { |
970 | DelayedDiagnosticsState state; |
971 | state.SavedPool = CurPool; |
972 | CurPool = nullptr; |
973 | return state; |
974 | } |
975 | |
976 | |
977 | void popUndelayed(DelayedDiagnosticsState state) { |
978 | assert(CurPool == nullptr); |
979 | CurPool = state.SavedPool; |
980 | } |
981 | } DelayedDiagnostics; |
982 | |
983 | |
984 | class ContextRAII { |
985 | private: |
986 | Sema &S; |
987 | DeclContext *SavedContext; |
988 | ProcessingContextState SavedContextState; |
989 | QualType SavedCXXThisTypeOverride; |
990 | unsigned SavedFunctionScopesStart; |
991 | unsigned SavedInventedParameterInfosStart; |
992 | |
993 | public: |
994 | ContextRAII(Sema &S, DeclContext *ContextToPush, bool NewThisContext = true) |
995 | : S(S), SavedContext(S.CurContext), |
996 | SavedContextState(S.DelayedDiagnostics.pushUndelayed()), |
997 | SavedCXXThisTypeOverride(S.CXXThisTypeOverride), |
998 | SavedFunctionScopesStart(S.FunctionScopesStart), |
999 | SavedInventedParameterInfosStart(S.InventedParameterInfosStart) |
1000 | { |
1001 | assert(ContextToPush && "pushing null context"); |
1002 | S.CurContext = ContextToPush; |
1003 | if (NewThisContext) |
1004 | S.CXXThisTypeOverride = QualType(); |
1005 | |
1006 | S.FunctionScopesStart = S.FunctionScopes.size(); |
1007 | S.InventedParameterInfosStart = S.InventedParameterInfos.size(); |
1008 | } |
1009 | |
1010 | void pop() { |
1011 | if (!SavedContext) return; |
1012 | S.CurContext = SavedContext; |
1013 | S.DelayedDiagnostics.popUndelayed(SavedContextState); |
1014 | S.CXXThisTypeOverride = SavedCXXThisTypeOverride; |
1015 | S.FunctionScopesStart = SavedFunctionScopesStart; |
1016 | S.InventedParameterInfosStart = SavedInventedParameterInfosStart; |
1017 | SavedContext = nullptr; |
1018 | } |
1019 | |
1020 | ~ContextRAII() { |
1021 | pop(); |
1022 | } |
1023 | }; |
1024 | |
1025 | |
1026 | |
1027 | |
1028 | bool RebuildingImmediateInvocation = false; |
1029 | |
1030 | |
1031 | |
1032 | bool isConstantEvaluatedOverride; |
1033 | |
1034 | bool isConstantEvaluated() { |
1035 | return ExprEvalContexts.back().isConstantEvaluated() || |
1036 | isConstantEvaluatedOverride; |
1037 | } |
1038 | |
1039 | |
1040 | |
1041 | class SynthesizedFunctionScope { |
1042 | Sema &S; |
1043 | Sema::ContextRAII SavedContext; |
1044 | bool PushedCodeSynthesisContext = false; |
1045 | |
1046 | public: |
1047 | SynthesizedFunctionScope(Sema &S, DeclContext *DC) |
1048 | : S(S), SavedContext(S, DC) { |
1049 | S.PushFunctionScope(); |
1050 | S.PushExpressionEvaluationContext( |
1051 | Sema::ExpressionEvaluationContext::PotentiallyEvaluated); |
1052 | if (auto *FD = dyn_cast<FunctionDecl>(DC)) |
1053 | FD->setWillHaveBody(true); |
1054 | else |
1055 | assert(isa<ObjCMethodDecl>(DC)); |
1056 | } |
1057 | |
1058 | void addContextNote(SourceLocation UseLoc) { |
1059 | assert(!PushedCodeSynthesisContext); |
1060 | |
1061 | Sema::CodeSynthesisContext Ctx; |
1062 | Ctx.Kind = Sema::CodeSynthesisContext::DefiningSynthesizedFunction; |
1063 | Ctx.PointOfInstantiation = UseLoc; |
1064 | Ctx.Entity = cast<Decl>(S.CurContext); |
1065 | S.pushCodeSynthesisContext(Ctx); |
1066 | |
1067 | PushedCodeSynthesisContext = true; |
1068 | } |
1069 | |
1070 | ~SynthesizedFunctionScope() { |
1071 | if (PushedCodeSynthesisContext) |
1072 | S.popCodeSynthesisContext(); |
1073 | if (auto *FD = dyn_cast<FunctionDecl>(S.CurContext)) |
1074 | FD->setWillHaveBody(false); |
1075 | S.PopExpressionEvaluationContext(); |
1076 | S.PopFunctionScopeInfo(); |
1077 | } |
1078 | }; |
1079 | |
1080 | |
1081 | |
1082 | |
1083 | llvm::MapVector<IdentifierInfo *, WeakInfo> WeakUndeclaredIdentifiers; |
1084 | |
1085 | |
1086 | |
1087 | |
1088 | |
1089 | llvm::DenseMap<IdentifierInfo*,AsmLabelAttr*> ExtnameUndeclaredIdentifiers; |
1090 | |
1091 | |
1092 | |
1093 | void LoadExternalWeakUndeclaredIdentifiers(); |
1094 | |
1095 | |
1096 | |
1097 | |
1098 | |
1099 | |
1100 | SmallVector<Decl*,2> WeakTopLevelDecl; |
1101 | |
1102 | IdentifierResolver IdResolver; |
1103 | |
1104 | |
1105 | |
1106 | |
1107 | Scope *TUScope; |
1108 | |
1109 | |
1110 | LazyDeclPtr StdNamespace; |
1111 | |
1112 | |
1113 | |
1114 | LazyDeclPtr StdBadAlloc; |
1115 | |
1116 | |
1117 | |
1118 | LazyDeclPtr StdAlignValT; |
1119 | |
1120 | |
1121 | |
1122 | NamespaceDecl *StdExperimentalNamespaceCache; |
1123 | |
1124 | |
1125 | |
1126 | ClassTemplateDecl *StdInitializerList; |
1127 | |
1128 | |
1129 | |
1130 | ClassTemplateDecl *StdCoroutineTraitsCache; |
1131 | |
1132 | |
1133 | RecordDecl *CXXTypeInfoDecl; |
1134 | |
1135 | |
1136 | RecordDecl *MSVCGuidDecl; |
1137 | |
1138 | |
1139 | std::unique_ptr<NSAPI> NSAPIObj; |
1140 | |
1141 | |
1142 | ObjCInterfaceDecl *NSNumberDecl; |
1143 | |
1144 | |
1145 | ObjCInterfaceDecl *NSValueDecl; |
1146 | |
1147 | |
1148 | QualType NSNumberPointer; |
1149 | |
1150 | |
1151 | QualType NSValuePointer; |
1152 | |
1153 | |
1154 | ObjCMethodDecl *NSNumberLiteralMethods[NSAPI::NumNSNumberLiteralMethods]; |
1155 | |
1156 | |
1157 | ObjCInterfaceDecl *NSStringDecl; |
1158 | |
1159 | |
1160 | QualType NSStringPointer; |
1161 | |
1162 | |
1163 | ObjCMethodDecl *StringWithUTF8StringMethod; |
1164 | |
1165 | |
1166 | ObjCMethodDecl *ValueWithBytesObjCTypeMethod; |
1167 | |
1168 | |
1169 | ObjCInterfaceDecl *NSArrayDecl; |
1170 | |
1171 | |
1172 | ObjCMethodDecl *ArrayWithObjectsMethod; |
1173 | |
1174 | |
1175 | ObjCInterfaceDecl *NSDictionaryDecl; |
1176 | |
1177 | |
1178 | ObjCMethodDecl *DictionaryWithObjectsMethod; |
1179 | |
1180 | |
1181 | QualType QIDNSCopying; |
1182 | |
1183 | |
1184 | Selector RespondsToSelectorSel; |
1185 | |
1186 | |
1187 | |
1188 | bool GlobalNewDeleteDeclared; |
1189 | |
1190 | |
1191 | |
1192 | enum class ExpressionEvaluationContext { |
1193 | |
1194 | |
1195 | |
1196 | |
1197 | |
1198 | Unevaluated, |
1199 | |
1200 | |
1201 | |
1202 | |
1203 | |
1204 | UnevaluatedList, |
1205 | |
1206 | |
1207 | |
1208 | |
1209 | DiscardedStatement, |
1210 | |
1211 | |
1212 | |
1213 | |
1214 | UnevaluatedAbstract, |
1215 | |
1216 | |
1217 | |
1218 | |
1219 | ConstantEvaluated, |
1220 | |
1221 | |
1222 | |
1223 | |
1224 | PotentiallyEvaluated, |
1225 | |
1226 | |
1227 | |
1228 | |
1229 | |
1230 | |
1231 | |
1232 | |
1233 | |
1234 | PotentiallyEvaluatedIfUsed |
1235 | }; |
1236 | |
1237 | using ImmediateInvocationCandidate = llvm::PointerIntPair<ConstantExpr *, 1>; |
1238 | |
1239 | |
1240 | |
1241 | struct ExpressionEvaluationContextRecord { |
1242 | |
1243 | ExpressionEvaluationContext Context; |
1244 | |
1245 | |
1246 | CleanupInfo ParentCleanup; |
1247 | |
1248 | |
1249 | |
1250 | unsigned NumCleanupObjects; |
1251 | |
1252 | |
1253 | |
1254 | unsigned NumTypos; |
1255 | |
1256 | MaybeODRUseExprSet SavedMaybeODRUseExprs; |
1257 | |
1258 | |
1259 | |
1260 | SmallVector<LambdaExpr *, 2> Lambdas; |
1261 | |
1262 | |
1263 | |
1264 | |
1265 | Decl *ManglingContextDecl; |
1266 | |
1267 | |
1268 | |
1269 | SmallVector<CallExpr *, 8> DelayedDecltypeCalls; |
1270 | |
1271 | |
1272 | |
1273 | SmallVector<CXXBindTemporaryExpr *, 8> DelayedDecltypeBinds; |
1274 | |
1275 | llvm::SmallPtrSet<const Expr *, 8> PossibleDerefs; |
1276 | |
1277 | |
1278 | |
1279 | |
1280 | SmallVector<Expr*, 2> VolatileAssignmentLHSs; |
1281 | |
1282 | |
1283 | llvm::SmallVector<ImmediateInvocationCandidate, 4> ImmediateInvocationCandidates; |
1284 | |
1285 | |
1286 | |
1287 | llvm::SmallPtrSet<DeclRefExpr *, 4> ReferenceToConsteval; |
1288 | |
1289 | |
1290 | |
1291 | enum ExpressionKind { |
1292 | EK_Decltype, EK_TemplateArgument, EK_Other |
1293 | } ExprContext; |
1294 | |
1295 | ExpressionEvaluationContextRecord(ExpressionEvaluationContext Context, |
1296 | unsigned NumCleanupObjects, |
1297 | CleanupInfo ParentCleanup, |
1298 | Decl *ManglingContextDecl, |
1299 | ExpressionKind ExprContext) |
1300 | : Context(Context), ParentCleanup(ParentCleanup), |
1301 | NumCleanupObjects(NumCleanupObjects), NumTypos(0), |
1302 | ManglingContextDecl(ManglingContextDecl), ExprContext(ExprContext) {} |
1303 | |
1304 | bool isUnevaluated() const { |
1305 | return Context == ExpressionEvaluationContext::Unevaluated || |
| 7 | | Assuming field 'Context' is not equal to Unevaluated | |
|
| 10 | | Returning zero, which participates in a condition later | |
|
1306 | Context == ExpressionEvaluationContext::UnevaluatedAbstract || |
| 8 | | Assuming field 'Context' is not equal to UnevaluatedAbstract | |
|
1307 | Context == ExpressionEvaluationContext::UnevaluatedList; |
| 9 | | Assuming field 'Context' is not equal to UnevaluatedList | |
|
1308 | } |
1309 | bool isConstantEvaluated() const { |
1310 | return Context == ExpressionEvaluationContext::ConstantEvaluated; |
1311 | } |
1312 | }; |
1313 | |
1314 | |
1315 | SmallVector<ExpressionEvaluationContextRecord, 8> ExprEvalContexts; |
1316 | |
1317 | |
1318 | void WarnOnPendingNoDerefs(ExpressionEvaluationContextRecord &Rec); |
1319 | |
1320 | |
1321 | |
1322 | |
1323 | |
1324 | |
1325 | std::tuple<MangleNumberingContext *, Decl *> |
1326 | getCurrentMangleNumberContext(const DeclContext *DC); |
1327 | |
1328 | |
1329 | |
1330 | |
1331 | |
1332 | |
1333 | |
1334 | class SpecialMemberOverloadResult { |
1335 | public: |
1336 | enum Kind { |
1337 | NoMemberOrDeleted, |
1338 | Ambiguous, |
1339 | Success |
1340 | }; |
1341 | |
1342 | private: |
1343 | llvm::PointerIntPair<CXXMethodDecl*, 2> Pair; |
1344 | |
1345 | public: |
1346 | SpecialMemberOverloadResult() : Pair() {} |
1347 | SpecialMemberOverloadResult(CXXMethodDecl *MD) |
1348 | : Pair(MD, MD->isDeleted() ? NoMemberOrDeleted : Success) {} |
1349 | |
1350 | CXXMethodDecl *getMethod() const { return Pair.getPointer(); } |
1351 | void setMethod(CXXMethodDecl *MD) { Pair.setPointer(MD); } |
1352 | |
1353 | Kind getKind() const { return static_cast<Kind>(Pair.getInt()); } |
1354 | void setKind(Kind K) { Pair.setInt(K); } |
1355 | }; |
1356 | |
1357 | class SpecialMemberOverloadResultEntry |
1358 | : public llvm::FastFoldingSetNode, |
1359 | public SpecialMemberOverloadResult { |
1360 | public: |
1361 | SpecialMemberOverloadResultEntry(const llvm::FoldingSetNodeID &ID) |
1362 | : FastFoldingSetNode(ID) |
1363 | {} |
1364 | }; |
1365 | |
1366 | |
1367 | |
1368 | llvm::FoldingSet<SpecialMemberOverloadResultEntry> SpecialMemberCache; |
1369 | |
1370 | |
1371 | |
1372 | mutable llvm::DenseMap<const EnumDecl*, llvm::APInt> FlagBitsCache; |
1373 | |
1374 | |
1375 | |
1376 | |
1377 | |
1378 | |
1379 | |
1380 | |
1381 | const TranslationUnitKind TUKind; |
1382 | |
1383 | llvm::BumpPtrAllocator BumpAlloc; |
1384 | |
1385 | |
1386 | unsigned NumSFINAEErrors; |
1387 | |
1388 | typedef llvm::DenseMap<ParmVarDecl *, llvm::TinyPtrVector<ParmVarDecl *>> |
1389 | UnparsedDefaultArgInstantiationsMap; |
1390 | |
1391 | |
1392 | |
1393 | |
1394 | |
1395 | |
1396 | |
1397 | |
1398 | UnparsedDefaultArgInstantiationsMap UnparsedDefaultArgInstantiations; |
1399 | |
1400 | |
1401 | |
1402 | llvm::DenseMap<ParmVarDecl *, SourceLocation> UnparsedDefaultArgLocs; |
1403 | |
1404 | |
1405 | |
1406 | llvm::MapVector<NamedDecl *, SourceLocation> UndefinedButUsed; |
1407 | |
1408 | |
1409 | |
1410 | |
1411 | bool isExternalWithNoLinkageType(ValueDecl *VD); |
1412 | |
1413 | |
1414 | void getUndefinedButUsed( |
1415 | SmallVectorImpl<std::pair<NamedDecl *, SourceLocation> > &Undefined); |
1416 | |
1417 | |
1418 | |
1419 | const llvm::MapVector<FieldDecl *, DeleteLocs> & |
1420 | getMismatchingDeleteExpressions() const; |
1421 | |
1422 | typedef std::pair<ObjCMethodList, ObjCMethodList> GlobalMethods; |
1423 | typedef llvm::DenseMap<Selector, GlobalMethods> GlobalMethodPool; |
1424 | |
1425 | |
1426 | |
1427 | |
1428 | |
1429 | |
1430 | |
1431 | GlobalMethodPool MethodPool; |
1432 | |
1433 | |
1434 | |
1435 | llvm::MapVector<Selector, SourceLocation> ReferencedSelectors; |
1436 | |
1437 | |
1438 | |
1439 | llvm::SmallVector<std::pair<SourceLocation, const BlockDecl *>, 1> |
1440 | ImplicitlyRetainedSelfLocs; |
1441 | |
1442 | |
1443 | enum CXXSpecialMember { |
1444 | CXXDefaultConstructor, |
1445 | CXXCopyConstructor, |
1446 | CXXMoveConstructor, |
1447 | CXXCopyAssignment, |
1448 | CXXMoveAssignment, |
1449 | CXXDestructor, |
1450 | CXXInvalid |
1451 | }; |
1452 | |
1453 | typedef llvm::PointerIntPair<CXXRecordDecl *, 3, CXXSpecialMember> |
1454 | SpecialMemberDecl; |
1455 | |
1456 | |
1457 | |
1458 | |
1459 | llvm::SmallPtrSet<SpecialMemberDecl, 4> SpecialMembersBeingDeclared; |
1460 | |
1461 | |
1462 | enum class DefaultedComparisonKind : unsigned char { |
1463 | |
1464 | None, |
1465 | |
1466 | |
1467 | Equal, |
1468 | |
1469 | |
1470 | ThreeWay, |
1471 | |
1472 | |
1473 | NotEqual, |
1474 | |
1475 | |
1476 | Relational, |
1477 | }; |
1478 | |
1479 | |
1480 | |
1481 | |
1482 | |
1483 | llvm::SmallPtrSet<const NamedDecl *, 4> TypoCorrectedFunctionDefinitions; |
1484 | |
1485 | |
1486 | |
1487 | llvm::SmallVector<QualType, 4> CurrentParameterCopyTypes; |
1488 | |
1489 | void ReadMethodPool(Selector Sel); |
1490 | void updateOutOfDateSelector(Selector Sel); |
1491 | |
1492 | |
1493 | bool isSelfExpr(Expr *RExpr); |
1494 | bool isSelfExpr(Expr *RExpr, const ObjCMethodDecl *Method); |
1495 | |
1496 | |
1497 | |
1498 | |
1499 | void EmitCurrentDiagnostic(unsigned DiagID); |
1500 | |
1501 | |
1502 | |
1503 | class FPFeaturesStateRAII { |
1504 | public: |
1505 | FPFeaturesStateRAII(Sema &S) : S(S), OldFPFeaturesState(S.CurFPFeatures) { |
1506 | OldOverrides = S.FpPragmaStack.CurrentValue; |
1507 | } |
1508 | ~FPFeaturesStateRAII() { |
1509 | S.CurFPFeatures = OldFPFeaturesState; |
1510 | S.FpPragmaStack.CurrentValue = OldOverrides; |
1511 | } |
1512 | FPOptionsOverride getOverrides() { return OldOverrides; } |
1513 | |
1514 | private: |
1515 | Sema& S; |
1516 | FPOptions OldFPFeaturesState; |
1517 | FPOptionsOverride OldOverrides; |
1518 | }; |
1519 | |
1520 | void addImplicitTypedef(StringRef Name, QualType T); |
1521 | |
1522 | bool WarnedStackExhausted = false; |
1523 | |
1524 | |
1525 | |
1526 | |
1527 | llvm::DenseMap<const VarDecl *, int> RefsMinusAssignments; |
1528 | |
1529 | Optional<std::unique_ptr<DarwinSDKInfo>> CachedDarwinSDKInfo; |
1530 | |
1531 | public: |
1532 | Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer, |
1533 | TranslationUnitKind TUKind = TU_Complete, |
1534 | CodeCompleteConsumer *CompletionConsumer = nullptr); |
1535 | ~Sema(); |
1536 | |
1537 | |
1538 | |
1539 | void Initialize(); |
1540 | |
1541 | |
1542 | |
1543 | |
1544 | |
1545 | |
1546 | virtual void anchor(); |
1547 | |
1548 | const LangOptions &getLangOpts() const { return LangOpts; } |
1549 | OpenCLOptions &getOpenCLOptions() { return OpenCLFeatures; } |
1550 | FPOptions &getCurFPFeatures() { return CurFPFeatures; } |
1551 | |
1552 | DiagnosticsEngine &getDiagnostics() const { return Diags; } |
1553 | SourceManager &getSourceManager() const { return SourceMgr; } |
1554 | Preprocessor &getPreprocessor() const { return PP; } |
1555 | ASTContext &getASTContext() const { return Context; } |
1556 | ASTConsumer &getASTConsumer() const { return Consumer; } |
1557 | ASTMutationListener *getASTMutationListener() const; |
1558 | ExternalSemaSource* getExternalSource() const { return ExternalSource; } |
1559 | DarwinSDKInfo *getDarwinSDKInfoForAvailabilityChecking(SourceLocation Loc, |
1560 | StringRef Platform); |
1561 | |
1562 | |
1563 | |
1564 | |
1565 | |
1566 | |
1567 | void addExternalSource(ExternalSemaSource *E); |
1568 | |
1569 | void PrintStats() const; |
1570 | |
1571 | |
1572 | void warnStackExhausted(SourceLocation Loc); |
1573 | |
1574 | |
1575 | |
1576 | |
1577 | |
1578 | void runWithSufficientStackSpace(SourceLocation Loc, |
1579 | llvm::function_ref<void()> Fn); |
1580 | |
1581 | |
1582 | |
1583 | |
1584 | |
1585 | |
1586 | |
1587 | |
1588 | |
1589 | |
1590 | class ImmediateDiagBuilder : public DiagnosticBuilder { |
1591 | Sema &SemaRef; |
1592 | unsigned DiagID; |
1593 | |
1594 | public: |
1595 | ImmediateDiagBuilder(DiagnosticBuilder &DB, Sema &SemaRef, unsigned DiagID) |
1596 | : DiagnosticBuilder(DB), SemaRef(SemaRef), DiagID(DiagID) {} |
1597 | ImmediateDiagBuilder(DiagnosticBuilder &&DB, Sema &SemaRef, unsigned DiagID) |
1598 | : DiagnosticBuilder(DB), SemaRef(SemaRef), DiagID(DiagID) {} |
1599 | |
1600 | |
1601 | |
1602 | |
1603 | |
1604 | |
1605 | |
1606 | ImmediateDiagBuilder(const ImmediateDiagBuilder &) = default; |
1607 | |
1608 | ~ImmediateDiagBuilder() { |
1609 | |
1610 | if (!isActive()) return; |
1611 | |
1612 | |
1613 | |
1614 | |
1615 | |
1616 | |
1617 | |
1618 | |
1619 | |
1620 | Clear(); |
1621 | |
1622 | |
1623 | SemaRef.EmitCurrentDiagnostic(DiagID); |
1624 | } |
1625 | |
1626 | |
1627 | template <typename T> |
1628 | friend const ImmediateDiagBuilder & |
1629 | operator<<(const ImmediateDiagBuilder &Diag, const T &Value) { |
1630 | const DiagnosticBuilder &BaseDiag = Diag; |
1631 | BaseDiag << Value; |
1632 | return Diag; |
1633 | } |
1634 | |
1635 | |
1636 | |
1637 | |
1638 | template <typename T, typename = typename std::enable_if< |
1639 | !std::is_lvalue_reference<T>::value>::type> |
1640 | const ImmediateDiagBuilder &operator<<(T &&V) const { |
1641 | const DiagnosticBuilder &BaseDiag = *this; |
1642 | BaseDiag << std::move(V); |
1643 | return *this; |
1644 | } |
1645 | }; |
1646 | |
1647 | |
1648 | |
1649 | |
1650 | |
1651 | |
1652 | |
1653 | |
1654 | |
1655 | |
1656 | |
1657 | |
1658 | |
1659 | |
1660 | |
1661 | class SemaDiagnosticBuilder { |
1662 | public: |
1663 | enum Kind { |
1664 | |
1665 | K_Nop, |
1666 | |
1667 | K_Immediate, |
1668 | |
1669 | |
1670 | |
1671 | K_ImmediateWithCallStack, |
1672 | |
1673 | |
1674 | |
1675 | K_Deferred |
1676 | }; |
1677 | |
1678 | SemaDiagnosticBuilder(Kind K, SourceLocation Loc, unsigned DiagID, |
1679 | FunctionDecl *Fn, Sema &S); |
1680 | SemaDiagnosticBuilder(SemaDiagnosticBuilder &&D); |
1681 | SemaDiagnosticBuilder(const SemaDiagnosticBuilder &) = default; |
1682 | ~SemaDiagnosticBuilder(); |
1683 | |
1684 | bool isImmediate() const { return ImmediateDiag.hasValue(); } |
1685 | |
1686 | |
1687 | |
1688 | |
1689 | |
1690 | |
1691 | |
1692 | |
1693 | |
1694 | |
1695 | |
1696 | operator bool() const { return isImmediate(); } |
1697 | |
1698 | template <typename T> |
1699 | friend const SemaDiagnosticBuilder & |
1700 | operator<<(const SemaDiagnosticBuilder &Diag, const T &Value) { |
1701 | if (Diag.ImmediateDiag.hasValue()) |
1702 | *Diag.ImmediateDiag << Value; |
1703 | else if (Diag.PartialDiagId.hasValue()) |
1704 | Diag.S.DeviceDeferredDiags[Diag.Fn][*Diag.PartialDiagId].second |
1705 | << Value; |
1706 | return Diag; |
1707 | } |
1708 | |
1709 | |
1710 | |
1711 | |
1712 | template <typename T, typename = typename std::enable_if< |
1713 | !std::is_lvalue_reference<T>::value>::type> |
1714 | const SemaDiagnosticBuilder &operator<<(T &&V) const { |
1715 | if (ImmediateDiag.hasValue()) |
1716 | *ImmediateDiag << std::move(V); |
1717 | else if (PartialDiagId.hasValue()) |
1718 | S.DeviceDeferredDiags[Fn][*PartialDiagId].second << std::move(V); |
1719 | return *this; |
1720 | } |
1721 | |
1722 | friend const SemaDiagnosticBuilder & |
1723 | operator<<(const SemaDiagnosticBuilder &Diag, const PartialDiagnostic &PD) { |
1724 | if (Diag.ImmediateDiag.hasValue()) |
1725 | PD.Emit(*Diag.ImmediateDiag); |
1726 | else if (Diag.PartialDiagId.hasValue()) |
1727 | Diag.S.DeviceDeferredDiags[Diag.Fn][*Diag.PartialDiagId].second = PD; |
1728 | return Diag; |
1729 | } |
1730 | |
1731 | void AddFixItHint(const FixItHint &Hint) const { |
1732 | if (ImmediateDiag.hasValue()) |
1733 | ImmediateDiag->AddFixItHint(Hint); |
1734 | else if (PartialDiagId.hasValue()) |
1735 | S.DeviceDeferredDiags[Fn][*PartialDiagId].second.AddFixItHint(Hint); |
1736 | } |
1737 | |
1738 | friend ExprResult ExprError(const SemaDiagnosticBuilder &) { |
1739 | return ExprError(); |
1740 | } |
1741 | friend StmtResult StmtError(const SemaDiagnosticBuilder &) { |
1742 | return StmtError(); |
1743 | } |
1744 | operator ExprResult() const { return ExprError(); } |
1745 | operator StmtResult() const { return StmtError(); } |
1746 | operator TypeResult() const { return TypeError(); } |
1747 | operator DeclResult() const { return DeclResult(true); } |
1748 | operator MemInitResult() const { return MemInitResult(true); } |
1749 | |
1750 | private: |
1751 | Sema &S; |
1752 | SourceLocation Loc; |
1753 | unsigned DiagID; |
1754 | FunctionDecl *Fn; |
1755 | bool ShowCallStack; |
1756 | |
1757 | |
1758 | |
1759 | llvm::Optional<ImmediateDiagBuilder> ImmediateDiag; |
1760 | llvm::Optional<unsigned> PartialDiagId; |
1761 | }; |
1762 | |
1763 | |
1764 | |
1765 | bool IsLastErrorImmediate = true; |
1766 | |
1767 | |
1768 | SemaDiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID, |
1769 | bool DeferHint = false); |
1770 | |
1771 | |
1772 | SemaDiagnosticBuilder Diag(SourceLocation Loc, const PartialDiagnostic &PD, |
1773 | bool DeferHint = false); |
1774 | |
1775 | |
1776 | PartialDiagnostic PDiag(unsigned DiagID = 0); |
1777 | |
1778 | |
1779 | bool DeferDiags = false; |
1780 | |
1781 | |
1782 | class DeferDiagsRAII { |
1783 | Sema &S; |
1784 | bool SavedDeferDiags = false; |
1785 | |
1786 | public: |
1787 | DeferDiagsRAII(Sema &S, bool DeferDiags) |
1788 | : S(S), SavedDeferDiags(S.DeferDiags) { |
1789 | S.DeferDiags = DeferDiags; |
1790 | } |
1791 | ~DeferDiagsRAII() { S.DeferDiags = SavedDeferDiags; } |
1792 | }; |
1793 | |
1794 | |
1795 | |
1796 | bool hasUncompilableErrorOccurred() const; |
1797 | |
1798 | bool findMacroSpelling(SourceLocation &loc, StringRef name); |
1799 | |
1800 | |
1801 | std::string |
1802 | getFixItZeroInitializerForType(QualType T, SourceLocation Loc) const; |
1803 | std::string getFixItZeroLiteralForType(QualType T, SourceLocation Loc) const; |
1804 | |
1805 | |
1806 | SourceLocation getLocForEndOfToken(SourceLocation Loc, unsigned Offset = 0); |
1807 | |
1808 | |
1809 | ModuleLoader &getModuleLoader() const; |
1810 | |
1811 | |
1812 | IdentifierInfo * |
1813 | InventAbbreviatedTemplateParameterTypeName(IdentifierInfo *ParamName, |
1814 | unsigned Index); |
1815 | |
1816 | void emitAndClearUnusedLocalTypedefWarnings(); |
1817 | |
1818 | private: |
1819 | |
1820 | |
1821 | llvm::SmallSetVector<Decl *, 4> DeclsToCheckForDeferredDiags; |
1822 | |
1823 | public: |
1824 | |
1825 | void emitDeferredDiags(); |
1826 | |
1827 | enum TUFragmentKind { |
1828 | |
1829 | Global, |
1830 | |
1831 | |
1832 | |
1833 | Normal, |
1834 | |
1835 | |
1836 | Private |
1837 | }; |
1838 | |
1839 | void ActOnStartOfTranslationUnit(); |
1840 | void ActOnEndOfTranslationUnit(); |
1841 | void ActOnEndOfTranslationUnitFragment(TUFragmentKind Kind); |
1842 | |
1843 | void CheckDelegatingCtorCycles(); |
1844 | |
1845 | Scope *getScopeForContext(DeclContext *Ctx); |
1846 | |
1847 | void PushFunctionScope(); |
1848 | void PushBlockScope(Scope *BlockScope, BlockDecl *Block); |
1849 | sema::LambdaScopeInfo *PushLambdaScope(); |
1850 | |
1851 | |
1852 | |
1853 | |
1854 | void RecordParsingTemplateParameterDepth(unsigned Depth); |
1855 | |
1856 | void PushCapturedRegionScope(Scope *RegionScope, CapturedDecl *CD, |
1857 | RecordDecl *RD, CapturedRegionKind K, |
1858 | unsigned OpenMPCaptureLevel = 0); |
1859 | |
1860 | |
1861 | |
1862 | class PoppedFunctionScopeDeleter { |
1863 | Sema *Self; |
1864 | |
1865 | public: |
1866 | explicit PoppedFunctionScopeDeleter(Sema *Self) : Self(Self) {} |
1867 | void operator()(sema::FunctionScopeInfo *Scope) const; |
1868 | }; |
1869 | |
1870 | using PoppedFunctionScopePtr = |
1871 | std::unique_ptr<sema::FunctionScopeInfo, PoppedFunctionScopeDeleter>; |
1872 | |
1873 | PoppedFunctionScopePtr |
1874 | PopFunctionScopeInfo(const sema::AnalysisBasedWarnings::Policy *WP = nullptr, |
1875 | const Decl *D = nullptr, |
1876 | QualType BlockType = QualType()); |
1877 | |
1878 | sema::FunctionScopeInfo *getCurFunction() const { |
1879 | return FunctionScopes.empty() ? nullptr : FunctionScopes.back(); |
1880 | } |
1881 | |
1882 | sema::FunctionScopeInfo *getEnclosingFunction() const; |
1883 | |
1884 | void setFunctionHasBranchIntoScope(); |
1885 | void setFunctionHasBranchProtectedScope(); |
1886 | void setFunctionHasIndirectGoto(); |
1887 | void setFunctionHasMustTail(); |
1888 | |
1889 | void PushCompoundScope(bool IsStmtExpr); |
1890 | void PopCompoundScope(); |
1891 | |
1892 | sema::CompoundScopeInfo &getCurCompoundScope() const; |
1893 | |
1894 | bool hasAnyUnrecoverableErrorsInThisFunction() const; |
1895 | |
1896 | |
1897 | sema::BlockScopeInfo *getCurBlock(); |
1898 | |
1899 | |
1900 | |
1901 | |
1902 | sema::LambdaScopeInfo *getEnclosingLambda() const; |
1903 | |
1904 | |
1905 | |
1906 | |
1907 | |
1908 | sema::LambdaScopeInfo * |
1909 | getCurLambda(bool IgnoreNonLambdaCapturingScope = false); |
1910 | |
1911 | |
1912 | sema::LambdaScopeInfo *getCurGenericLambda(); |
1913 | |
1914 | |
1915 | sema::CapturedRegionScopeInfo *getCurCapturedRegion(); |
1916 | |
1917 | |
1918 | |
1919 | sema::FunctionScopeInfo *getCurFunctionAvailabilityContext(); |
1920 | |
1921 | |
1922 | SmallVectorImpl<Decl *> &WeakTopLevelDecls() { return WeakTopLevelDecl; } |
1923 | |
1924 | |
1925 | |
1926 | void ActOnStartFunctionDeclarationDeclarator(Declarator &D, |
1927 | unsigned TemplateParameterDepth); |
1928 | |
1929 | |
1930 | |
1931 | void ActOnFinishFunctionDeclarationDeclarator(Declarator &D); |
1932 | |
1933 | void ActOnComment(SourceRange Comment); |
1934 | |
1935 | |
1936 | |
1937 | |
1938 | |
1939 | QualType BuildQualifiedType(QualType T, SourceLocation Loc, Qualifiers Qs, |
1940 | const DeclSpec *DS = nullptr); |
1941 | QualType BuildQualifiedType(QualType T, SourceLocation Loc, unsigned CVRA, |
1942 | const DeclSpec *DS = nullptr); |
1943 | QualType BuildPointerType(QualType T, |
1944 | SourceLocation Loc, DeclarationName Entity); |
1945 | QualType BuildReferenceType(QualType T, bool LValueRef, |
1946 | SourceLocation Loc, DeclarationName Entity); |
1947 | QualType BuildArrayType(QualType T, ArrayType::ArraySizeModifier ASM, |
1948 | Expr *ArraySize, unsigned Quals, |
1949 | SourceRange Brackets, DeclarationName Entity); |
1950 | QualType BuildVectorType(QualType T, Expr *VecSize, SourceLocation AttrLoc); |
1951 | QualType BuildExtVectorType(QualType T, Expr *ArraySize, |
1952 | SourceLocation AttrLoc); |
1953 | QualType BuildMatrixType(QualType T, Expr *NumRows, Expr *NumColumns, |
1954 | SourceLocation AttrLoc); |
1955 | |
1956 | QualType BuildAddressSpaceAttr(QualType &T, LangAS ASIdx, Expr *AddrSpace, |
1957 | SourceLocation AttrLoc); |
1958 | |
1959 | |
1960 | QualType BuildAddressSpaceAttr(QualType &T, Expr *AddrSpace, |
1961 | SourceLocation AttrLoc); |
1962 | |
1963 | bool CheckQualifiedFunctionForTypeId(QualType T, SourceLocation Loc); |
1964 | |
1965 | bool CheckFunctionReturnType(QualType T, SourceLocation Loc); |
1966 | |
1967 | |
1968 | |
1969 | |
1970 | |
1971 | |
1972 | |
1973 | |
1974 | |
1975 | |
1976 | |
1977 | |
1978 | |
1979 | |
1980 | |
1981 | |
1982 | |
1983 | |
1984 | |
1985 | |
1986 | |
1987 | |
1988 | |
1989 | |
1990 | |
1991 | |
1992 | |
1993 | |
1994 | QualType BuildFunctionType(QualType T, |
1995 | MutableArrayRef<QualType> ParamTypes, |
1996 | SourceLocation Loc, DeclarationName Entity, |
1997 | const FunctionProtoType::ExtProtoInfo &EPI); |
1998 | |
1999 | QualType BuildMemberPointerType(QualType T, QualType Class, |
2000 | SourceLocation Loc, |
2001 | DeclarationName Entity); |
2002 | QualType BuildBlockPointerType(QualType T, |
2003 | SourceLocation Loc, DeclarationName Entity); |
2004 | QualType BuildParenType(QualType T); |
2005 | QualType BuildAtomicType(QualType T, SourceLocation Loc); |
2006 | QualType BuildReadPipeType(QualType T, |
2007 | SourceLocation Loc); |
2008 | QualType BuildWritePipeType(QualType T, |
2009 | SourceLocation Loc); |
2010 | QualType BuildExtIntType(bool IsUnsigned, Expr *BitWidth, SourceLocation Loc); |
2011 | |
2012 | TypeSourceInfo *GetTypeForDeclarator(Declarator &D, Scope *S); |
2013 | TypeSourceInfo *GetTypeForDeclaratorCast(Declarator &D, QualType FromTy); |
2014 | |
2015 | |
2016 | ParsedType CreateParsedType(QualType T, TypeSourceInfo *TInfo); |
2017 | DeclarationNameInfo GetNameForDeclarator(Declarator &D); |
2018 | DeclarationNameInfo GetNameFromUnqualifiedId(const UnqualifiedId &Name); |
2019 | static QualType GetTypeFromParser(ParsedType Ty, |
2020 | TypeSourceInfo **TInfo = nullptr); |
2021 | CanThrowResult canThrow(const Stmt *E); |
2022 | |
2023 | |
2024 | static CanThrowResult canCalleeThrow(Sema &S, const Expr *E, const Decl *D, |
2025 | SourceLocation Loc = SourceLocation()); |
2026 | const FunctionProtoType *ResolveExceptionSpec(SourceLocation Loc, |
2027 | const FunctionProtoType *FPT); |
2028 | void UpdateExceptionSpec(FunctionDecl *FD, |
2029 | const FunctionProtoType::ExceptionSpecInfo &ESI); |
2030 | bool CheckSpecifiedExceptionType(QualType &T, SourceRange Range); |
2031 | bool CheckDistantExceptionSpec(QualType T); |
2032 | bool CheckEquivalentExceptionSpec(FunctionDecl *Old, FunctionDecl *New); |
2033 | bool CheckEquivalentExceptionSpec( |
2034 | const FunctionProtoType *Old, SourceLocation OldLoc, |
2035 | const FunctionProtoType *New, SourceLocation NewLoc); |
2036 | bool CheckEquivalentExceptionSpec( |
2037 | const PartialDiagnostic &DiagID, const PartialDiagnostic & NoteID, |
2038 | const FunctionProtoType *Old, SourceLocation OldLoc, |
2039 | const FunctionProtoType *New, SourceLocation NewLoc); |
2040 | bool handlerCanCatch(QualType HandlerType, QualType ExceptionType); |
2041 | bool CheckExceptionSpecSubset(const PartialDiagnostic &DiagID, |
2042 | const PartialDiagnostic &NestedDiagID, |
2043 | const PartialDiagnostic &NoteID, |
2044 | const PartialDiagnostic &NoThrowDiagID, |
2045 | const FunctionProtoType *Superset, |
2046 | SourceLocation SuperLoc, |
2047 | const FunctionProtoType *Subset, |
2048 | SourceLocation SubLoc); |
2049 | bool CheckParamExceptionSpec(const PartialDiagnostic &NestedDiagID, |
2050 | const PartialDiagnostic &NoteID, |
2051 | const FunctionProtoType *Target, |
2052 | SourceLocation TargetLoc, |
2053 | const FunctionProtoType *Source, |
2054 | SourceLocation SourceLoc); |
2055 | |
2056 | TypeResult ActOnTypeName(Scope *S, Declarator &D); |
2057 | |
2058 | |
2059 | |
2060 | ParsedType ActOnObjCInstanceType(SourceLocation Loc); |
2061 | |
2062 | |
2063 | struct TypeDiagnoser { |
2064 | TypeDiagnoser() {} |
2065 | |
2066 | virtual void diagnose(Sema &S, SourceLocation Loc, QualType T) = 0; |
2067 | virtual ~TypeDiagnoser() {} |
2068 | }; |
2069 | |
2070 | static int getPrintable(int I) { return I; } |
2071 | static unsigned getPrintable(unsigned I) { return I; } |
2072 | static bool getPrintable(bool B) { return B; } |
2073 | static const char * getPrintable(const char *S) { return S; } |
2074 | static StringRef getPrintable(StringRef S) { return S; } |
2075 | static const std::string &getPrintable(const std::string &S) { return S; } |
2076 | static const IdentifierInfo *getPrintable(const IdentifierInfo *II) { |
2077 | return II; |
2078 | } |
2079 | static DeclarationName getPrintable(DeclarationName N) { return N; } |
2080 | static QualType getPrintable(QualType T) { return T; } |
2081 | static SourceRange getPrintable(SourceRange R) { return R; } |
2082 | static SourceRange getPrintable(SourceLocation L) { return L; } |
2083 | static SourceRange getPrintable(const Expr *E) { return E->getSourceRange(); } |
2084 | static SourceRange getPrintable(TypeLoc TL) { return TL.getSourceRange();} |
2085 | |
2086 | template <typename... Ts> class BoundTypeDiagnoser : public TypeDiagnoser { |
2087 | protected: |
2088 | unsigned DiagID; |
2089 | std::tuple<const Ts &...> Args; |
2090 | |
2091 | template <std::size_t... Is> |
2092 | void emit(const SemaDiagnosticBuilder &DB, |
2093 | std::index_sequence<Is...>) const { |
2094 | |
2095 | bool Dummy[] = {false, (DB << getPrintable(std::get<Is>(Args)))...}; |
2096 | (void)Dummy; |
2097 | } |
2098 | |
2099 | public: |
2100 | BoundTypeDiagnoser(unsigned DiagID, const Ts &...Args) |
2101 | : TypeDiagnoser(), DiagID(DiagID), Args(Args...) { |
2102 | assert(DiagID != 0 && "no diagnostic for type diagnoser"); |
2103 | } |
2104 | |
2105 | void diagnose(Sema &S, SourceLocation Loc, QualType T) override { |
2106 | const SemaDiagnosticBuilder &DB = S.Diag(Loc, DiagID); |
2107 | emit(DB, std::index_sequence_for<Ts...>()); |
2108 | DB << T; |
2109 | } |
2110 | }; |
2111 | |
2112 | |
2113 | |
2114 | |
2115 | |
2116 | |
2117 | |
2118 | |
2119 | bool DiagnoseSwiftName(Decl *D, StringRef Name, SourceLocation Loc, |
2120 | const ParsedAttr &AL, bool IsAsync); |
2121 | |
2122 | |
2123 | |
2124 | |
2125 | |
2126 | template <typename... Ts> |
2127 | class SizelessTypeDiagnoser : public BoundTypeDiagnoser<Ts...> { |
2128 | public: |
2129 | SizelessTypeDiagnoser(unsigned DiagID, const Ts &... Args) |
2130 | : BoundTypeDiagnoser<Ts...>(DiagID, Args...) {} |
2131 | |
2132 | void diagnose(Sema &S, SourceLocation Loc, QualType T) override { |
2133 | const SemaDiagnosticBuilder &DB = S.Diag(Loc, this->DiagID); |
2134 | this->emit(DB, std::index_sequence_for<Ts...>()); |
2135 | DB << T->isSizelessType() << T; |
2136 | } |
2137 | }; |
2138 | |
2139 | enum class CompleteTypeKind { |
2140 | |
2141 | |
2142 | Normal, |
2143 | |
2144 | |
2145 | |
2146 | AcceptSizeless, |
2147 | |
2148 | |
2149 | |
2150 | Default = AcceptSizeless |
2151 | }; |
2152 | |
2153 | private: |
2154 | |
2155 | |
2156 | |
2157 | |
2158 | |
2159 | |
2160 | |
2161 | void CheckSubscriptAccessOfNoDeref(const ArraySubscriptExpr *E); |
2162 | void CheckAddressOfNoDeref(const Expr *E); |
2163 | void CheckMemberAccessOfNoDeref(const MemberExpr *E); |
2164 | |
2165 | bool RequireCompleteTypeImpl(SourceLocation Loc, QualType T, |
2166 | CompleteTypeKind Kind, TypeDiagnoser *Diagnoser); |
2167 | |
2168 | struct ModuleScope { |
2169 | SourceLocation BeginLoc; |
2170 | clang::Module *Module = nullptr; |
2171 | bool ModuleInterface = false; |
2172 | bool ImplicitGlobalModuleFragment = false; |
2173 | VisibleModuleSet OuterVisibleModules; |
2174 | }; |
2175 | |
2176 | llvm::SmallVector<ModuleScope, 16> ModuleScopes; |
2177 | |
2178 | |
2179 | llvm::SmallPtrSet<const NamespaceDecl*, 8> DeferredExportedNamespaces; |
2180 | |
2181 | |
2182 | Module *getCurrentModule() const { |
2183 | return ModuleScopes.empty() ? nullptr : ModuleScopes.back().Module; |
2184 | } |
2185 | |
2186 | VisibleModuleSet VisibleModules; |
2187 | |
2188 | public: |
2189 | |
2190 | Module *getOwningModule(const Decl *Entity) { |
2191 | return Entity->getOwningModule(); |
2192 | } |
2193 | |
2194 | |
2195 | |
2196 | void makeMergedDefinitionVisible(NamedDecl *ND); |
2197 | |
2198 | bool isModuleVisible(const Module *M, bool ModulePrivate = false); |
2199 | |
2200 | |
2201 | |
2202 | void makeModuleVisible(Module *Mod, SourceLocation ImportLoc) { |
2203 | VisibleModules.setVisible(Mod, ImportLoc); |
2204 | } |
2205 | |
2206 | |
2207 | bool isVisible(const NamedDecl *D) { |
2208 | return D->isUnconditionallyVisible() || isVisibleSlow(D); |
2209 | } |
2210 | |
2211 | |
2212 | bool |
2213 | hasVisibleDeclaration(const NamedDecl *D, |
2214 | llvm::SmallVectorImpl<Module *> *Modules = nullptr) { |
2215 | return isVisible(D) || hasVisibleDeclarationSlow(D, Modules); |
2216 | } |
2217 | bool hasVisibleDeclarationSlow(const NamedDecl *D, |
2218 | llvm::SmallVectorImpl<Module *> *Modules); |
2219 | |
2220 | bool hasVisibleMergedDefinition(NamedDecl *Def); |
2221 | bool hasMergedDefinitionInCurrentModule(NamedDecl *Def); |
2222 | |
2223 | |
2224 | |
2225 | bool hasStructuralCompatLayout(Decl *D, Decl *Suggested); |
2226 | |
2227 | |
2228 | |
2229 | bool hasVisibleDefinition(NamedDecl *D, NamedDecl **Suggested, |
2230 | bool OnlyNeedComplete = false); |
2231 | bool hasVisibleDefinition(const NamedDecl *D) { |
2232 | NamedDecl *Hidden; |
2233 | return hasVisibleDefinition(const_cast<NamedDecl*>(D), &Hidden); |
2234 | } |
2235 | |
2236 | |
2237 | bool |
2238 | hasVisibleDefaultArgument(const NamedDecl *D, |
2239 | llvm::SmallVectorImpl<Module *> *Modules = nullptr); |
2240 | |
2241 | |
2242 | |
2243 | |
2244 | bool hasVisibleExplicitSpecialization( |
2245 | const NamedDecl *D, llvm::SmallVectorImpl<Module *> *Modules = nullptr); |
2246 | |
2247 | |
2248 | |
2249 | bool hasVisibleMemberSpecialization( |
2250 | const NamedDecl *D, llvm::SmallVectorImpl<Module *> *Modules = nullptr); |
2251 | |
2252 | |
2253 | |
2254 | |
2255 | bool isEquivalentInternalLinkageDeclaration(const NamedDecl *A, |
2256 | const NamedDecl *B); |
2257 | void diagnoseEquivalentInternalLinkageDeclarations( |
2258 | SourceLocation Loc, const NamedDecl *D, |
2259 | ArrayRef<const NamedDecl *> Equiv); |
2260 | |
2261 | bool isUsualDeallocationFunction(const CXXMethodDecl *FD); |
2262 | |
2263 | bool isCompleteType(SourceLocation Loc, QualType T, |
2264 | CompleteTypeKind Kind = CompleteTypeKind::Default) { |
2265 | return !RequireCompleteTypeImpl(Loc, T, Kind, nullptr); |
2266 | } |
2267 | bool RequireCompleteType(SourceLocation Loc, QualType T, |
2268 | CompleteTypeKind Kind, TypeDiagnoser &Diagnoser); |
2269 | bool RequireCompleteType(SourceLocation Loc, QualType T, |
2270 | CompleteTypeKind Kind, unsigned DiagID); |
2271 | |
2272 | bool RequireCompleteType(SourceLocation Loc, QualType T, |
2273 | TypeDiagnoser &Diagnoser) { |
2274 | return RequireCompleteType(Loc, T, CompleteTypeKind::Default, Diagnoser); |
2275 | } |
2276 | bool RequireCompleteType(SourceLocation Loc, QualType T, unsigned DiagID) { |
2277 | return RequireCompleteType(Loc, T, CompleteTypeKind::Default, DiagID); |
2278 | } |
2279 | |
2280 | template <typename... Ts> |
2281 | bool RequireCompleteType(SourceLocation Loc, QualType T, unsigned DiagID, |
2282 | const Ts &...Args) { |
2283 | BoundTypeDiagnoser<Ts...> Diagnoser(DiagID, Args...); |
2284 | return RequireCompleteType(Loc, T, Diagnoser); |
2285 | } |
2286 | |
2287 | template <typename... Ts> |
2288 | bool RequireCompleteSizedType(SourceLocation Loc, QualType T, unsigned DiagID, |
2289 | const Ts &... Args) { |
2290 | SizelessTypeDiagnoser<Ts...> Diagnoser(DiagID, Args...); |
2291 | return RequireCompleteType(Loc, T, CompleteTypeKind::Normal, Diagnoser); |
2292 | } |
2293 | |
2294 | |
2295 | |
2296 | |
2297 | |
2298 | |
2299 | |
2300 | |
2301 | |
2302 | QualType getCompletedType(Expr *E); |
2303 | |
2304 | void completeExprArrayBound(Expr *E); |
2305 | bool RequireCompleteExprType(Expr *E, CompleteTypeKind Kind, |
2306 | TypeDiagnoser &Diagnoser); |
2307 | bool RequireCompleteExprType(Expr *E, unsigned DiagID); |
2308 | |
2309 | template <typename... Ts> |
2310 | bool RequireCompleteExprType(Expr *E, unsigned DiagID, const Ts &...Args) { |
2311 | BoundTypeDiagnoser<Ts...> Diagnoser(DiagID, Args...); |
2312 | return RequireCompleteExprType(E, CompleteTypeKind::Default, Diagnoser); |
2313 | } |
2314 | |
2315 | template <typename... Ts> |
2316 | bool RequireCompleteSizedExprType(Expr *E, unsigned DiagID, |
2317 | const Ts &... Args) { |
2318 | SizelessTypeDiagnoser<Ts...> Diagnoser(DiagID, Args...); |
2319 | return RequireCompleteExprType(E, CompleteTypeKind::Normal, Diagnoser); |
2320 | } |
2321 | |
2322 | bool RequireLiteralType(SourceLocation Loc, QualType T, |
2323 | TypeDiagnoser &Diagnoser); |
2324 | bool RequireLiteralType(SourceLocation Loc, QualType T, unsigned DiagID); |
2325 | |
2326 | template <typename... Ts> |
2327 | bool RequireLiteralType(SourceLocation Loc, QualType T, unsigned DiagID, |
2328 | const Ts &...Args) { |
2329 | BoundTypeDiagnoser<Ts...> Diagnoser(DiagID, Args...); |
2330 | return RequireLiteralType(Loc, T, Diagnoser); |
2331 | } |
2332 | |
2333 | QualType getElaboratedType(ElaboratedTypeKeyword Keyword, |
2334 | const CXXScopeSpec &SS, QualType T, |
2335 | TagDecl *OwnedTagDecl = nullptr); |
2336 | |
2337 | QualType getDecltypeForParenthesizedExpr(Expr *E); |
2338 | QualType BuildTypeofExprType(Expr *E, SourceLocation Loc); |
2339 | |
2340 | |
2341 | QualType BuildDecltypeType(Expr *E, SourceLocation Loc, |
2342 | bool AsUnevaluated = true); |
2343 | QualType BuildUnaryTransformType(QualType BaseType, |
2344 | UnaryTransformType::UTTKind UKind, |
2345 | SourceLocation Loc); |
2346 | |
2347 | |
2348 | |
2349 | |
2350 | |
2351 | struct SkipBodyInfo { |
2352 | SkipBodyInfo() |
2353 | : ShouldSkip(false), CheckSameAsPrevious(false), Previous(nullptr), |
2354 | New(nullptr) {} |
2355 | bool ShouldSkip; |
2356 | bool CheckSameAsPrevious; |
2357 | NamedDecl *Previous; |
2358 | NamedDecl *New; |
2359 | }; |
2360 | |
2361 | DeclGroupPtrTy ConvertDeclToDeclGroup(Decl *Ptr, Decl *OwnedType = nullptr); |
2362 | |
2363 | void DiagnoseUseOfUnimplementedSelectors(); |
2364 | |
2365 | bool isSimpleTypeSpecifier(tok::TokenKind Kind) const; |
2366 | |
2367 | ParsedType getTypeName(const IdentifierInfo &II, SourceLocation NameLoc, |
2368 | Scope *S, CXXScopeSpec *SS = nullptr, |
2369 | bool isClassName = false, bool HasTrailingDot = false, |
2370 | ParsedType ObjectType = nullptr, |
2371 | bool IsCtorOrDtorName = false, |
2372 | bool WantNontrivialTypeSourceInfo = false, |
2373 | bool IsClassTemplateDeductionContext = true, |
2374 | IdentifierInfo **CorrectedII = nullptr); |
2375 | TypeSpecifierType isTagName(IdentifierInfo &II, Scope *S); |
2376 | bool isMicrosoftMissingTypename(const CXXScopeSpec *SS, Scope *S); |
2377 | void DiagnoseUnknownTypeName(IdentifierInfo *&II, |
2378 | SourceLocation IILoc, |
2379 | Scope *S, |
2380 | CXXScopeSpec *SS, |
2381 | ParsedType &SuggestedType, |
2382 | bool IsTemplateName = false); |
2383 | |
2384 | |
2385 | |
2386 | |
2387 | |
2388 | ParsedType ActOnMSVCUnknownTypeName(const IdentifierInfo &II, |
2389 | SourceLocation NameLoc, |
2390 | bool IsTemplateTypeArg); |
2391 | |
2392 | |
2393 | |
2394 | enum NameClassificationKind { |
2395 | |
2396 | |
2397 | NC_Unknown, |
2398 | |
2399 | NC_Error, |
2400 | |
2401 | NC_Keyword, |
2402 | |
2403 | NC_Type, |
2404 | |
2405 | |
2406 | |
2407 | NC_NonType, |
2408 | |
2409 | |
2410 | |
2411 | NC_UndeclaredNonType, |
2412 | |
2413 | |
2414 | |
2415 | NC_DependentNonType, |
2416 | |
2417 | |
2418 | |
2419 | |
2420 | NC_OverloadSet, |
2421 | |
2422 | NC_TypeTemplate, |
2423 | |
2424 | NC_VarTemplate, |
2425 | |
2426 | NC_FunctionTemplate, |
2427 | |
2428 | NC_UndeclaredTemplate, |
2429 | |
2430 | NC_Concept, |
2431 | }; |
2432 | |
2433 | class NameClassification { |
2434 | NameClassificationKind Kind; |
2435 | union { |
2436 | ExprResult Expr; |
2437 | NamedDecl *NonTypeDecl; |
2438 | TemplateName Template; |
2439 | ParsedType Type; |
2440 | }; |
2441 | |
2442 | explicit NameClassification(NameClassificationKind Kind) : Kind(Kind) {} |
2443 | |
2444 | public: |
2445 | NameClassification(ParsedType Type) : Kind(NC_Type), Type(Type) {} |
2446 | |
2447 | NameClassification(const IdentifierInfo *Keyword) : Kind(NC_Keyword) {} |
2448 | |
2449 | static NameClassification Error() { |
2450 | return NameClassification(NC_Error); |
2451 | } |
2452 | |
2453 | static NameClassification Unknown() { |
2454 | return NameClassification(NC_Unknown); |
2455 | } |
2456 | |
2457 | static NameClassification OverloadSet(ExprResult E) { |
2458 | NameClassification Result(NC_OverloadSet); |
2459 | Result.Expr = E; |
2460 | return Result; |
2461 | } |
2462 | |
2463 | static NameClassification NonType(NamedDecl *D) { |
2464 | NameClassification Result(NC_NonType); |
2465 | Result.NonTypeDecl = D; |
2466 | return Result; |
2467 | } |
2468 | |
2469 | static NameClassification UndeclaredNonType() { |
2470 | return NameClassification(NC_UndeclaredNonType); |
2471 | } |
2472 | |
2473 | static NameClassification DependentNonType() { |
2474 | return NameClassification(NC_DependentNonType); |
2475 | } |
2476 | |
2477 | static NameClassification TypeTemplate(TemplateName Name) { |
2478 | NameClassification Result(NC_TypeTemplate); |
2479 | Result.Template = Name; |
2480 | return Result; |
2481 | } |
2482 | |
2483 | static NameClassification VarTemplate(TemplateName Name) { |
2484 | NameClassification Result(NC_VarTemplate); |
2485 | Result.Template = Name; |
2486 | return Result; |
2487 | } |
2488 | |
2489 | static NameClassification FunctionTemplate(TemplateName Name) { |
2490 | NameClassification Result(NC_FunctionTemplate); |
2491 | Result.Template = Name; |
2492 | return Result; |
2493 | } |
2494 | |
2495 | static NameClassification Concept(TemplateName Name) { |
2496 | NameClassification Result(NC_Concept); |
2497 | Result.Template = Name; |
2498 | return Result; |
2499 | } |
2500 | |
2501 | static NameClassification UndeclaredTemplate(TemplateName Name) { |
2502 | NameClassification Result(NC_UndeclaredTemplate); |
2503 | Result.Template = Name; |
2504 | return Result; |
2505 | } |
2506 | |
2507 | NameClassificationKind getKind() const { return Kind; } |
2508 | |
2509 | ExprResult getExpression() const { |
2510 | assert(Kind == NC_OverloadSet); |
2511 | return Expr; |
2512 | } |
2513 | |
2514 | ParsedType getType() const { |
2515 | assert(Kind == NC_Type); |
2516 | return Type; |
2517 | } |
2518 | |
2519 | NamedDecl *getNonTypeDecl() const { |
2520 | assert(Kind == NC_NonType); |
2521 | return NonTypeDecl; |
2522 | } |
2523 | |
2524 | TemplateName getTemplateName() const { |
2525 | assert(Kind == NC_TypeTemplate || Kind == NC_FunctionTemplate || |
2526 | Kind == NC_VarTemplate || Kind == NC_Concept || |
2527 | Kind == NC_UndeclaredTemplate); |
2528 | return Template; |
2529 | } |
2530 | |
2531 | TemplateNameKind getTemplateNameKind() const { |
2532 | switch (Kind) { |
2533 | case NC_TypeTemplate: |
2534 | return TNK_Type_template; |
2535 | case NC_FunctionTemplate: |
2536 | return TNK_Function_template; |
2537 | case NC_VarTemplate: |
2538 | return TNK_Var_template; |
2539 | case NC_Concept: |
2540 | return TNK_Concept_template; |
2541 | case NC_UndeclaredTemplate: |
2542 | return TNK_Undeclared_template; |
2543 | default: |
2544 | llvm_unreachable("unsupported name classification."); |
2545 | } |
2546 | } |
2547 | }; |
2548 | |
2549 | |
2550 | |
2551 | |
2552 | |
2553 | |
2554 | |
2555 | |
2556 | |
2557 | |
2558 | |
2559 | |
2560 | |
2561 | |
2562 | |
2563 | |
2564 | |
2565 | |
2566 | |
2567 | |
2568 | |
2569 | NameClassification ClassifyName(Scope *S, CXXScopeSpec &SS, |
2570 | IdentifierInfo *&Name, SourceLocation NameLoc, |
2571 | const Token &NextToken, |
2572 | CorrectionCandidateCallback *CCC = nullptr); |
2573 | |
2574 | |
2575 | |
2576 | ExprResult ActOnNameClassifiedAsUndeclaredNonType(IdentifierInfo *Name, |
2577 | SourceLocation NameLoc); |
2578 | |
2579 | |
2580 | ExprResult ActOnNameClassifiedAsDependentNonType(const CXXScopeSpec &SS, |
2581 | IdentifierInfo *Name, |
2582 | SourceLocation NameLoc, |
2583 | bool IsAddressOfOperand); |
2584 | |
2585 | |
2586 | ExprResult ActOnNameClassifiedAsNonType(Scope *S, const CXXScopeSpec &SS, |
2587 | NamedDecl *Found, |
2588 | SourceLocation NameLoc, |
2589 | const Token &NextToken); |
2590 | |
2591 | ExprResult ActOnNameClassifiedAsOverloadSet(Scope *S, Expr *OverloadSet); |
2592 | |
2593 | |
2594 | enum class TemplateNameKindForDiagnostics { |
2595 | ClassTemplate, |
2596 | FunctionTemplate, |
2597 | VarTemplate, |
2598 | AliasTemplate, |
2599 | TemplateTemplateParam, |
2600 | Concept, |
2601 | DependentTemplate |
2602 | }; |
2603 | TemplateNameKindForDiagnostics |
2604 | getTemplateNameKindForDiagnostics(TemplateName Name); |
2605 | |
2606 | |
2607 | |
2608 | bool mightBeIntendedToBeTemplateName(ExprResult E, bool &Dependent) { |
2609 | if (!getLangOpts().CPlusPlus || E.isInvalid()) |
2610 | return false; |
2611 | Dependent = false; |
2612 | if (auto *DRE = dyn_cast<DeclRefExpr>(E.get())) |
2613 | return !DRE->hasExplicitTemplateArgs(); |
2614 | if (auto *ME = dyn_cast<MemberExpr>(E.get())) |
2615 | return !ME->hasExplicitTemplateArgs(); |
2616 | Dependent = true; |
2617 | if (auto *DSDRE = dyn_cast<DependentScopeDeclRefExpr>(E.get())) |
2618 | return !DSDRE->hasExplicitTemplateArgs(); |
2619 | if (auto *DSME = dyn_cast<CXXDependentScopeMemberExpr>(E.get())) |
2620 | return !DSME->hasExplicitTemplateArgs(); |
2621 | |
2622 | |
2623 | return false; |
2624 | } |
2625 | void diagnoseExprIntendedAsTemplateName(Scope *S, ExprResult TemplateName, |
2626 | SourceLocation Less, |
2627 | SourceLocation Greater); |
2628 | |
2629 | void warnOnReservedIdentifier(const NamedDecl *D); |
2630 | |
2631 | Decl *ActOnDeclarator(Scope *S, Declarator &D); |
2632 | |
2633 | NamedDecl *HandleDeclarator(Scope *S, Declarator &D, |
2634 | MultiTemplateParamsArg TemplateParameterLists); |
2635 | bool tryToFixVariablyModifiedVarType(TypeSourceInfo *&TInfo, |
2636 | QualType &T, SourceLocation Loc, |
2637 | unsigned FailedFoldDiagID); |
2638 | void RegisterLocallyScopedExternCDecl(NamedDecl *ND, Scope *S); |
2639 | bool DiagnoseClassNameShadow(DeclContext *DC, DeclarationNameInfo Info); |
2640 | bool diagnoseQualifiedDeclaration(CXXScopeSpec &SS, DeclContext *DC, |
2641 | DeclarationName Name, SourceLocation Loc, |
2642 | bool IsTemplateId); |
2643 | void |
2644 | diagnoseIgnoredQualifiers(unsigned DiagID, unsigned Quals, |
2645 | SourceLocation FallbackLoc, |
2646 | SourceLocation ConstQualLoc = SourceLocation(), |
2647 | SourceLocation VolatileQualLoc = SourceLocation(), |
2648 | SourceLocation RestrictQualLoc = SourceLocation(), |
2649 | SourceLocation AtomicQualLoc = SourceLocation(), |
2650 | SourceLocation UnalignedQualLoc = SourceLocation()); |
2651 | |
2652 | static bool adjustContextForLocalExternDecl(DeclContext *&DC); |
2653 | void DiagnoseFunctionSpecifiers(const DeclSpec &DS); |
2654 | NamedDecl *getShadowedDeclaration(const TypedefNameDecl *D, |
2655 | const LookupResult &R); |
2656 | NamedDecl *getShadowedDeclaration(const VarDecl *D, const LookupResult &R); |
2657 | NamedDecl *getShadowedDeclaration(const BindingDecl *D, |
2658 | const LookupResult &R); |
2659 | void CheckShadow(NamedDecl *D, NamedDecl *ShadowedDecl, |
2660 | const LookupResult &R); |
2661 | void CheckShadow(Scope *S, VarDecl *D); |
2662 | |
2663 | |
2664 | |
2665 | void CheckShadowingDeclModification(Expr *E, SourceLocation Loc); |
2666 | |
2667 | void DiagnoseShadowingLambdaDecls(const sema::LambdaScopeInfo *LSI); |
2668 | |
2669 | private: |
2670 | |
2671 | |
2672 | llvm::DenseMap<const NamedDecl *, const NamedDecl *> ShadowingDecls; |
2673 | |
2674 | public: |
2675 | void CheckCastAlign(Expr *Op, QualType T, SourceRange TRange); |
2676 | void handleTagNumbering(const TagDecl *Tag, Scope *TagScope); |
2677 | void setTagNameForLinkagePurposes(TagDecl *TagFromDeclSpec, |
2678 | TypedefNameDecl *NewTD); |
2679 | void CheckTypedefForVariablyModifiedType(Scope *S, TypedefNameDecl *D); |
2680 | NamedDecl* ActOnTypedefDeclarator(Scope* S, Declarator& D, DeclContext* DC, |
2681 | TypeSourceInfo *TInfo, |
2682 | LookupResult &Previous); |
2683 | NamedDecl* ActOnTypedefNameDecl(Scope* S, DeclContext* DC, TypedefNameDecl *D, |
2684 | LookupResult &Previous, bool &Redeclaration); |
2685 | NamedDecl *ActOnVariableDeclarator(Scope *S, Declarator &D, DeclContext *DC, |
2686 | TypeSourceInfo *TInfo, |
2687 | LookupResult &Previous, |
2688 | MultiTemplateParamsArg TemplateParamLists, |
2689 | bool &AddToScope, |
2690 | ArrayRef<BindingDecl *> Bindings = None); |
2691 | NamedDecl * |
2692 | ActOnDecompositionDeclarator(Scope *S, Declarator &D, |
2693 | MultiTemplateParamsArg TemplateParamLists); |
2694 | |
2695 | bool CheckVariableDeclaration(VarDecl *NewVD, LookupResult &Previous); |
2696 | void CheckVariableDeclarationType(VarDecl *NewVD); |
2697 | bool DeduceVariableDeclarationType(VarDecl *VDecl, bool DirectInit, |
2698 | Expr *Init); |
2699 | void CheckCompleteVariableDeclaration(VarDecl *VD); |
2700 | void CheckCompleteDecompositionDeclaration(DecompositionDecl *DD); |
2701 | void MaybeSuggestAddingStaticToDecl(const FunctionDecl *D); |
2702 | |
2703 | NamedDecl* ActOnFunctionDeclarator(Scope* S, Declarator& D, DeclContext* DC, |
2704 | TypeSourceInfo *TInfo, |
2705 | LookupResult &Previous, |
2706 | MultiTemplateParamsArg TemplateParamLists, |
2707 | bool &AddToScope); |
2708 | bool AddOverriddenMethods(CXXRecordDecl *DC, CXXMethodDecl *MD); |
2709 | |
2710 | enum class CheckConstexprKind { |
2711 | |
2712 | Diagnose, |
2713 | |
2714 | |
2715 | CheckValid |
2716 | }; |
2717 | |
2718 | bool CheckConstexprFunctionDefinition(const FunctionDecl *FD, |
2719 | CheckConstexprKind Kind); |
2720 | |
2721 | void DiagnoseHiddenVirtualMethods(CXXMethodDecl *MD); |
2722 | void FindHiddenVirtualMethods(CXXMethodDecl *MD, |
2723 | SmallVectorImpl<CXXMethodDecl*> &OverloadedMethods); |
2724 | void NoteHiddenVirtualMethods(CXXMethodDecl *MD, |
2725 | SmallVectorImpl<CXXMethodDecl*> &OverloadedMethods); |
2726 | |
2727 | bool CheckFunctionDeclaration(Scope *S, |
2728 | FunctionDecl *NewFD, LookupResult &Previous, |
2729 | bool IsMemberSpecialization); |
2730 | bool shouldLinkDependentDeclWithPrevious(Decl *D, Decl *OldDecl); |
2731 | bool canFullyTypeCheckRedeclaration(ValueDecl *NewD, ValueDecl *OldD, |
2732 | QualType NewT, QualType OldT); |
2733 | void CheckMain(FunctionDecl *FD, const DeclSpec &D); |
2734 | void CheckMSVCRTEntryPoint(FunctionDecl *FD); |
2735 | Attr *getImplicitCodeSegOrSectionAttrForFunction(const FunctionDecl *FD, |
2736 | bool IsDefinition); |
2737 | void CheckFunctionOrTemplateParamDeclarator(Scope *S, Declarator &D); |
2738 | Decl *ActOnParamDeclarator(Scope *S, Declarator &D); |
2739 | ParmVarDecl *BuildParmVarDeclForTypedef(DeclContext *DC, |
2740 | SourceLocation Loc, |
2741 | QualType T); |
2742 | ParmVarDecl *CheckParameter(DeclContext *DC, SourceLocation StartLoc, |
2743 | SourceLocation NameLoc, IdentifierInfo *Name, |
2744 | QualType T, TypeSourceInfo *TSInfo, |
2745 | StorageClass SC); |
2746 | void ActOnParamDefaultArgument(Decl *param, |
2747 | SourceLocation EqualLoc, |
2748 | Expr *defarg); |
2749 | void ActOnParamUnparsedDefaultArgument(Decl *param, SourceLocation EqualLoc, |
2750 | SourceLocation ArgLoc); |
2751 | void ActOnParamDefaultArgumentError(Decl *param, SourceLocation EqualLoc); |
2752 | ExprResult ConvertParamDefaultArgument(ParmVarDecl *Param, Expr *DefaultArg, |
2753 | SourceLocation EqualLoc); |
2754 | void SetParamDefaultArgument(ParmVarDecl *Param, Expr *DefaultArg, |
2755 | SourceLocation EqualLoc); |
2756 | |
2757 | |
2758 | |
2759 | enum NonTrivialCUnionContext { |
2760 | |
2761 | NTCUC_FunctionParam, |
2762 | |
2763 | NTCUC_FunctionReturn, |
2764 | |
2765 | NTCUC_DefaultInitializedObject, |
2766 | |
2767 | NTCUC_AutoVar, |
2768 | |
2769 | NTCUC_CopyInit, |
2770 | |
2771 | NTCUC_Assignment, |
2772 | |
2773 | NTCUC_CompoundLiteral, |
2774 | |
2775 | NTCUC_BlockCapture, |
2776 | |
2777 | NTCUC_LValueToRValueVolatile, |
2778 | }; |
2779 | |
2780 | |
2781 | |
2782 | |
2783 | |
2784 | void checkNonTrivialCUnionInInitializer(const Expr *Init, SourceLocation Loc); |
2785 | |
2786 | |
2787 | enum NonTrivialCUnionKind { |
2788 | NTCUK_Init = 0x1, |
2789 | NTCUK_Destruct = 0x2, |
2790 | NTCUK_Copy = 0x4, |
2791 | }; |
2792 | |
2793 | |
2794 | |
2795 | void checkNonTrivialCUnion(QualType QT, SourceLocation Loc, |
2796 | NonTrivialCUnionContext UseContext, |
2797 | unsigned NonTrivialKind); |
2798 | |
2799 | void AddInitializerToDecl(Decl *dcl, Expr *init, bool DirectInit); |
2800 | void ActOnUninitializedDecl(Decl *dcl); |
2801 | void ActOnInitializerError(Decl *Dcl); |
2802 | |
2803 | void ActOnPureSpecifier(Decl *D, SourceLocation PureSpecLoc); |
2804 | void ActOnCXXForRangeDecl(Decl *D); |
2805 | StmtResult ActOnCXXForRangeIdentifier(Scope *S, SourceLocation IdentLoc, |
2806 | IdentifierInfo *Ident, |
2807 | ParsedAttributes &Attrs, |
2808 | SourceLocation AttrEnd); |
2809 | void SetDeclDeleted(Decl *dcl, SourceLocation DelLoc); |
2810 | void SetDeclDefaulted(Decl *dcl, SourceLocation DefaultLoc); |
2811 | void CheckStaticLocalForDllExport(VarDecl *VD); |
2812 | void FinalizeDeclaration(Decl *D); |
2813 | DeclGroupPtrTy FinalizeDeclaratorGroup(Scope *S, const DeclSpec &DS, |
2814 | ArrayRef<Decl *> Group); |
2815 | DeclGroupPtrTy BuildDeclaratorGroup(MutableArrayRef<Decl *> Group); |
2816 | |
2817 | |
2818 | |
2819 | void ActOnDocumentableDecl(Decl *D); |
2820 | void ActOnDocumentableDecls(ArrayRef<Decl *> Group); |
2821 | |
2822 | void ActOnFinishKNRParamDeclarations(Scope *S, Declarator &D, |
2823 | SourceLocation LocAfterDecls); |
2824 | void CheckForFunctionRedefinition( |
2825 | FunctionDecl *FD, const FunctionDecl *EffectiveDefinition = nullptr, |
2826 | SkipBodyInfo *SkipBody = nullptr); |
2827 | Decl *ActOnStartOfFunctionDef(Scope *S, Declarator &D, |
2828 | MultiTemplateParamsArg TemplateParamLists, |
2829 | SkipBodyInfo *SkipBody = nullptr); |
2830 | Decl *ActOnStartOfFunctionDef(Scope *S, Decl *D, |
2831 | SkipBodyInfo *SkipBody = nullptr); |
2832 | void ActOnStartTrailingRequiresClause(Scope *S, Declarator &D); |
2833 | ExprResult ActOnFinishTrailingRequiresClause(ExprResult ConstraintExpr); |
2834 | ExprResult ActOnRequiresClause(ExprResult ConstraintExpr); |
2835 | void ActOnStartOfObjCMethodDef(Scope *S, Decl *D); |
2836 | bool isObjCMethodDecl(Decl *D) { |
2837 | return D && isa<ObjCMethodDecl>(D); |
2838 | } |
2839 | |
2840 | |
2841 | |
2842 | |
2843 | |
2844 | |
2845 | |
2846 | |
2847 | |
2848 | bool canDelayFunctionBody(const Declarator &D); |
2849 | |
2850 | |
2851 | |
2852 | |
2853 | |
2854 | |
2855 | |
2856 | |
2857 | bool canSkipFunctionBody(Decl *D); |
2858 | |
2859 | void computeNRVO(Stmt *Body, sema::FunctionScopeInfo *Scope); |
2860 | Decl *ActOnFinishFunctionBody(Decl *Decl, Stmt *Body); |
2861 | Decl *ActOnFinishFunctionBody(Decl *Decl, Stmt *Body, bool IsInstantiation); |
2862 | Decl *ActOnSkippedFunctionBody(Decl *Decl); |
2863 | void ActOnFinishInlineFunctionDef(FunctionDecl *D); |
2864 | |
2865 | |
2866 | |
2867 | void ActOnFinishDelayedAttribute(Scope *S, Decl *D, ParsedAttributes &Attrs); |
2868 | |
2869 | |
2870 | |
2871 | void DiagnoseUnusedParameters(ArrayRef<ParmVarDecl *> Parameters); |
2872 | |
2873 | |
2874 | |
2875 | |
2876 | void |
2877 | DiagnoseSizeOfParametersAndReturnValue(ArrayRef<ParmVarDecl *> Parameters, |
2878 | QualType ReturnTy, NamedDecl *D); |
2879 | |
2880 | void DiagnoseInvalidJumps(Stmt *Body); |
2881 | Decl *ActOnFileScopeAsmDecl(Expr *expr, |
2882 | SourceLocation AsmLoc, |
2883 | SourceLocation RParenLoc); |
2884 | |
2885 | |
2886 | Decl *ActOnEmptyDeclaration(Scope *S, const ParsedAttributesView &AttrList, |
2887 | SourceLocation SemiLoc); |
2888 | |
2889 | enum class ModuleDeclKind { |
2890 | Interface, |
2891 | Implementation, |
2892 | }; |
2893 | |
2894 | |
2895 | |
2896 | DeclGroupPtrTy ActOnModuleDecl(SourceLocation StartLoc, |
2897 | SourceLocation ModuleLoc, ModuleDeclKind MDK, |
2898 | ModuleIdPath Path, bool IsFirstDecl); |
2899 | |
2900 | |
2901 | |
2902 | |
2903 | DeclGroupPtrTy ActOnGlobalModuleFragmentDecl(SourceLocation ModuleLoc); |
2904 | |
2905 | |
2906 | |
2907 | |
2908 | |
2909 | DeclGroupPtrTy ActOnPrivateModuleFragmentDecl(SourceLocation ModuleLoc, |
2910 | SourceLocation PrivateLoc); |
2911 | |
2912 | |
2913 | |
2914 | |
2915 | |
2916 | |
2917 | |
2918 | |
2919 | DeclResult ActOnModuleImport(SourceLocation StartLoc, |
2920 | SourceLocation ExportLoc, |
2921 | SourceLocation ImportLoc, ModuleIdPath Path); |
2922 | DeclResult ActOnModuleImport(SourceLocation StartLoc, |
2923 | SourceLocation ExportLoc, |
2924 | SourceLocation ImportLoc, Module *M, |
2925 | ModuleIdPath Path = {}); |
2926 | |
2927 | |
2928 | |
2929 | void ActOnModuleInclude(SourceLocation DirectiveLoc, Module *Mod); |
2930 | void BuildModuleInclude(SourceLocation DirectiveLoc, Module *Mod); |
2931 | |
2932 | |
2933 | void ActOnModuleBegin(SourceLocation DirectiveLoc, Module *Mod); |
2934 | |
2935 | void ActOnModuleEnd(SourceLocation DirectiveLoc, Module *Mod); |
2936 | |
2937 | |
2938 | |
2939 | |
2940 | |
2941 | |
2942 | |
2943 | void createImplicitModuleImportForErrorRecovery(SourceLocation Loc, |
2944 | Module *Mod); |
2945 | |
2946 | |
2947 | |
2948 | enum class MissingImportKind { |
2949 | Declaration, |
2950 | Definition, |
2951 | DefaultArgument, |
2952 | ExplicitSpecialization, |
2953 | PartialSpecialization |
2954 | }; |
2955 | |
2956 | |
2957 | |
2958 | void diagnoseMissingImport(SourceLocation Loc, NamedDecl *Decl, |
2959 | MissingImportKind MIK, bool Recover = true); |
2960 | void diagnoseMissingImport(SourceLocation Loc, NamedDecl *Decl, |
2961 | SourceLocation DeclLoc, ArrayRef<Module *> Modules, |
2962 | MissingImportKind MIK, bool Recover); |
2963 | |
2964 | Decl *ActOnStartExportDecl(Scope *S, SourceLocation ExportLoc, |
2965 | SourceLocation LBraceLoc); |
2966 | Decl *ActOnFinishExportDecl(Scope *S, Decl *ExportDecl, |
2967 | SourceLocation RBraceLoc); |
2968 | |
2969 | |
2970 | |
2971 | |
2972 | void checkSpecializationVisibility(SourceLocation Loc, NamedDecl *Spec); |
2973 | |
2974 | |
2975 | PrintingPolicy getPrintingPolicy() const { |
2976 | return getPrintingPolicy(Context, PP); |
2977 | } |
2978 | |
2979 | |
2980 | static PrintingPolicy getPrintingPolicy(const ASTContext &Ctx, |
2981 | const Preprocessor &PP); |
2982 | |
2983 | |
2984 | void ActOnPopScope(SourceLocation Loc, Scope *S); |
2985 | void ActOnTranslationUnitScope(Scope *S); |
2986 | |
2987 | Decl *ParsedFreeStandingDeclSpec(Scope *S, AccessSpecifier AS, DeclSpec &DS, |
2988 | RecordDecl *&AnonRecord); |
2989 | Decl *ParsedFreeStandingDeclSpec(Scope *S, AccessSpecifier AS, DeclSpec &DS, |
2990 | MultiTemplateParamsArg TemplateParams, |
2991 | bool IsExplicitInstantiation, |
2992 | RecordDecl *&AnonRecord); |
2993 | |
2994 | Decl *BuildAnonymousStructOrUnion(Scope *S, DeclSpec &DS, |
2995 | AccessSpecifier AS, |
2996 | RecordDecl *Record, |
2997 | const PrintingPolicy &Policy); |
2998 | |
2999 | Decl *BuildMicrosoftCAnonymousStruct(Scope *S, DeclSpec &DS, |
3000 | RecordDecl *Record); |
3001 | |
3002 | |
3003 | |
3004 | enum NonTagKind { |
3005 | NTK_NonStruct, |
3006 | NTK_NonClass, |
3007 | NTK_NonUnion, |
3008 | NTK_NonEnum, |
3009 | NTK_Typedef, |
3010 | NTK_TypeAlias, |
3011 | NTK_Template, |
3012 | NTK_TypeAliasTemplate, |
3013 | NTK_TemplateTemplateArgument, |
3014 | }; |
3015 | |
3016 | |
3017 | |
3018 | NonTagKind getNonTagTypeDeclKind(const Decl *D, TagTypeKind TTK); |
3019 | |
3020 | bool isAcceptableTagRedeclaration(const TagDecl *Previous, |
3021 | TagTypeKind NewTag, bool isDefinition, |
3022 | SourceLocation NewTagLoc, |
3023 | const IdentifierInfo *Name); |
3024 | |
3025 | enum TagUseKind { |
3026 | TUK_Reference, |
3027 | TUK_Declaration, |
3028 | TUK_Definition, |
3029 | TUK_Friend |
3030 | }; |
3031 | |
3032 | Decl *ActOnTag(Scope *S, unsigned TagSpec, TagUseKind TUK, |
3033 | SourceLocation KWLoc, CXXScopeSpec &SS, IdentifierInfo *Name, |
3034 | SourceLocation NameLoc, const ParsedAttributesView &Attr, |
3035 | AccessSpecifier AS, SourceLocation ModulePrivateLoc, |
3036 | MultiTemplateParamsArg TemplateParameterLists, bool &OwnedDecl, |
3037 | bool &IsDependent, SourceLocation ScopedEnumKWLoc, |
3038 | bool ScopedEnumUsesClassTag, TypeResult UnderlyingType, |
3039 | bool IsTypeSpecifier, bool IsTemplateParamOrArg, |
3040 | SkipBodyInfo *SkipBody = nullptr); |
3041 | |
3042 | Decl *ActOnTemplatedFriendTag(Scope *S, SourceLocation FriendLoc, |
3043 | unsigned TagSpec, SourceLocation TagLoc, |
3044 | CXXScopeSpec &SS, IdentifierInfo *Name, |
3045 | SourceLocation NameLoc, |
3046 | const ParsedAttributesView &Attr, |
3047 | MultiTemplateParamsArg TempParamLists); |
3048 | |
3049 | TypeResult ActOnDependentTag(Scope *S, |
3050 | unsigned TagSpec, |
3051 | TagUseKind TUK, |
3052 | const CXXScopeSpec &SS, |
3053 | IdentifierInfo *Name, |
3054 | SourceLocation TagLoc, |
3055 | SourceLocation NameLoc); |
3056 | |
3057 | void ActOnDefs(Scope *S, Decl *TagD, SourceLocation DeclStart, |
3058 | IdentifierInfo *ClassName, |
3059 | SmallVectorImpl<Decl *> &Decls); |
3060 | Decl *ActOnField(Scope *S, Decl *TagD, SourceLocation DeclStart, |
3061 | Declarator &D, Expr *BitfieldWidth); |
3062 | |
3063 | FieldDecl *HandleField(Scope *S, RecordDecl *TagD, SourceLocation DeclStart, |
3064 | Declarator &D, Expr *BitfieldWidth, |
3065 | InClassInitStyle InitStyle, |
3066 | AccessSpecifier AS); |
3067 | MSPropertyDecl *HandleMSProperty(Scope *S, RecordDecl *TagD, |
3068 | SourceLocation DeclStart, Declarator &D, |
3069 | Expr *BitfieldWidth, |
3070 | InClassInitStyle InitStyle, |
3071 | AccessSpecifier AS, |
3072 | const ParsedAttr &MSPropertyAttr); |
3073 | |
3074 | FieldDecl *CheckFieldDecl(DeclarationName Name, QualType T, |
3075 | TypeSourceInfo *TInfo, |
3076 | RecordDecl *Record, SourceLocation Loc, |
3077 | bool Mutable, Expr *BitfieldWidth, |
3078 | InClassInitStyle InitStyle, |
3079 | SourceLocation TSSL, |
3080 | AccessSpecifier AS, NamedDecl *PrevDecl, |
3081 | Declarator *D = nullptr); |
3082 | |
3083 | bool CheckNontrivialField(FieldDecl *FD); |
3084 | void DiagnoseNontrivial(const CXXRecordDecl *Record, CXXSpecialMember CSM); |
3085 | |
3086 | enum TrivialABIHandling { |
3087 | |
3088 | TAH_IgnoreTrivialABI, |
3089 | |
3090 | |
3091 | TAH_ConsiderTrivialABI |
3092 | }; |
3093 | |
3094 | bool SpecialMemberIsTrivial(CXXMethodDecl *MD, CXXSpecialMember CSM, |
3095 | TrivialABIHandling TAH = TAH_IgnoreTrivialABI, |
3096 | bool Diagnose = false); |
3097 | |
3098 | |
3099 | class DefaultedFunctionKind { |
3100 | CXXSpecialMember SpecialMember : 8; |
3101 | DefaultedComparisonKind Comparison : 8; |
3102 | |
3103 | public: |
3104 | DefaultedFunctionKind() |
3105 | : SpecialMember(CXXInvalid), Comparison(DefaultedComparisonKind::None) { |
3106 | } |
3107 | DefaultedFunctionKind(CXXSpecialMember CSM) |
3108 | : SpecialMember(CSM), Comparison(DefaultedComparisonKind::None) {} |
3109 | DefaultedFunctionKind(DefaultedComparisonKind Comp) |
3110 | : SpecialMember(CXXInvalid), Comparison(Comp) {} |
3111 | |
3112 | bool isSpecialMember() const { return SpecialMember != CXXInvalid; } |
3113 | bool isComparison() const { |
3114 | return Comparison != DefaultedComparisonKind::None; |
3115 | } |
3116 | |
3117 | explicit operator bool() const { |
3118 | return isSpecialMember() || isComparison(); |
3119 | } |
3120 | |
3121 | CXXSpecialMember asSpecialMember() const { return SpecialMember; } |
3122 | DefaultedComparisonKind asComparison() const { return Comparison; } |
3123 | |
3124 | |
3125 | unsigned getDiagnosticIndex() const { |
3126 | static_assert(CXXInvalid > CXXDestructor, |
3127 | "invalid should have highest index"); |
3128 | static_assert((unsigned)DefaultedComparisonKind::None == 0, |
3129 | "none should be equal to zero"); |
3130 | return SpecialMember + (unsigned)Comparison; |
3131 | } |
3132 | }; |
3133 | |
3134 | DefaultedFunctionKind getDefaultedFunctionKind(const FunctionDecl *FD); |
3135 | |
3136 | CXXSpecialMember getSpecialMember(const CXXMethodDecl *MD) { |
3137 | return getDefaultedFunctionKind(MD).asSpecialMember(); |
3138 | } |
3139 | DefaultedComparisonKind getDefaultedComparisonKind(const FunctionDecl *FD) { |
3140 | return getDefaultedFunctionKind(FD).asComparison(); |
3141 | } |
3142 | |
3143 | void ActOnLastBitfield(SourceLocation DeclStart, |
3144 | SmallVectorImpl<Decl *> &AllIvarDecls); |
3145 | Decl *ActOnIvar(Scope *S, SourceLocation DeclStart, |
3146 | Declarator &D, Expr *BitfieldWidth, |
3147 | tok::ObjCKeywordKind visibility); |
3148 | |
3149 | |
3150 | void ActOnFields(Scope *S, SourceLocation RecLoc, Decl *TagDecl, |
3151 | ArrayRef<Decl *> Fields, SourceLocation LBrac, |
3152 | SourceLocation RBrac, const ParsedAttributesView &AttrList); |
3153 | |
3154 | |
3155 | |
3156 | |
3157 | void ActOnTagStartDefinition(Scope *S, Decl *TagDecl); |
3158 | |
3159 | |
3160 | |
3161 | |
3162 | bool ActOnDuplicateDefinition(DeclSpec &DS, Decl *Prev, |
3163 | SkipBodyInfo &SkipBody); |
3164 | |
3165 | typedef void *SkippedDefinitionContext; |
3166 | |
3167 | |
3168 | SkippedDefinitionContext ActOnTagStartSkippedDefinition(Scope *S, Decl *TD); |
3169 | |
3170 | Decl *ActOnObjCContainerStartDefinition(Decl *IDecl); |
3171 | |
3172 | |
3173 | |
3174 | |
3175 | void ActOnStartCXXMemberDeclarations(Scope *S, Decl *TagDecl, |
3176 | SourceLocation FinalLoc, |
3177 | bool IsFinalSpelledSealed, |
3178 | bool IsAbstract, |
3179 | SourceLocation LBraceLoc); |
3180 | |
3181 | |
3182 | |
3183 | void ActOnTagFinishDefinition(Scope *S, Decl *TagDecl, |
3184 | SourceRange BraceRange); |
3185 | |
3186 | void ActOnTagFinishSkippedDefinition(SkippedDefinitionContext Context); |
3187 | |
3188 | void ActOnObjCContainerFinishDefinition(); |
3189 | |
3190 | |
3191 | |
3192 | |
3193 | |
3194 | void ActOnObjCTemporaryExitContainerContext(DeclContext *DC); |
3195 | void ActOnObjCReenterContainerContext(DeclContext *DC); |
3196 | |
3197 | |
3198 | |
3199 | void ActOnTagDefinitionError(Scope *S, Decl *TagDecl); |
3200 | |
3201 | EnumConstantDecl *CheckEnumConstant(EnumDecl *Enum, |
3202 | EnumConstantDecl *LastEnumConst, |
3203 | SourceLocation IdLoc, |
3204 | IdentifierInfo *Id, |
3205 | Expr *val); |
3206 | bool CheckEnumUnderlyingType(TypeSourceInfo *TI); |
3207 | bool CheckEnumRedeclaration(SourceLocation EnumLoc, bool IsScoped, |
3208 | QualType EnumUnderlyingTy, bool IsFixed, |
3209 | const EnumDecl *Prev); |
3210 | |
3211 | |
3212 | |
3213 | SkipBodyInfo shouldSkipAnonEnumBody(Scope *S, IdentifierInfo *II, |
3214 | SourceLocation IILoc); |
3215 | |
3216 | Decl *ActOnEnumConstant(Scope *S, Decl *EnumDecl, Decl *LastEnumConstant, |
3217 | SourceLocation IdLoc, IdentifierInfo *Id, |
3218 | const ParsedAttributesView &Attrs, |
3219 | SourceLocation EqualLoc, Expr *Val); |
3220 | void ActOnEnumBody(SourceLocation EnumLoc, SourceRange BraceRange, |
3221 | Decl *EnumDecl, ArrayRef<Decl *> Elements, Scope *S, |
3222 | const ParsedAttributesView &Attr); |
3223 | |
3224 | |
3225 | void PushDeclContext(Scope *S, DeclContext *DC); |
3226 | void PopDeclContext(); |
3227 | |
3228 | |
3229 | |
3230 | void EnterDeclaratorContext(Scope *S, DeclContext *DC); |
3231 | void ExitDeclaratorContext(Scope *S); |
3232 | |
3233 | |
3234 | |
3235 | |
3236 | void EnterTemplatedContext(Scope *S, DeclContext *DC); |
3237 | |
3238 | |
3239 | void ActOnReenterFunctionContext(Scope* S, Decl* D); |
3240 | void ActOnExitFunctionContext(); |
3241 | |
3242 | DeclContext *getFunctionLevelDeclContext(); |
3243 | |
3244 | |
3245 | |
3246 | |
3247 | FunctionDecl *getCurFunctionDecl(); |
3248 | |
3249 | |
3250 | |
3251 | |
3252 | ObjCMethodDecl *getCurMethodDecl(); |
3253 | |
3254 | |
3255 | |
3256 | |
3257 | NamedDecl *getCurFunctionOrMethodDecl(); |
3258 | |
3259 | |
3260 | void PushOnScopeChains(NamedDecl *D, Scope *S, bool AddToContext = true); |
3261 | |
3262 | |
3263 | |
3264 | |
3265 | |
3266 | |
3267 | |
3268 | |
3269 | bool isDeclInScope(NamedDecl *D, DeclContext *Ctx, Scope *S = nullptr, |
3270 | bool AllowInlineNamespace = false); |
3271 | |
3272 | |
3273 | |
3274 | static Scope *getScopeForDeclContext(Scope *S, DeclContext *DC); |
3275 | |
3276 | |
3277 | TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T, |
3278 | TypeSourceInfo *TInfo); |
3279 | bool isIncompatibleTypedef(TypeDecl *Old, TypedefNameDecl *New); |
3280 | |
3281 | |
3282 | |
3283 | enum AvailabilityMergeKind { |
3284 | |
3285 | AMK_None, |
3286 | |
3287 | |
3288 | AMK_Redeclaration, |
3289 | |
3290 | |
3291 | AMK_Override, |
3292 | |
3293 | |
3294 | AMK_ProtocolImplementation, |
3295 | |
3296 | |
3297 | AMK_OptionalProtocolImplementation |
3298 | }; |
3299 | |
3300 | |
3301 | |
3302 | |
3303 | |
3304 | |
3305 | |
3306 | |
3307 | |
3308 | |
3309 | |
3310 | |
3311 | |
3312 | enum AvailabilityPriority : int { |
3313 | |
3314 | |
3315 | AP_Explicit = 0, |
3316 | |
3317 | |
3318 | AP_PragmaClangAttribute = 1, |
3319 | |
3320 | |
3321 | |
3322 | AP_InferredFromOtherPlatform = 2 |
3323 | }; |
3324 | |
3325 | |
3326 | AvailabilityAttr * |
3327 | mergeAvailabilityAttr(NamedDecl *D, const AttributeCommonInfo &CI, |
3328 | IdentifierInfo *Platform, bool Implicit, |
3329 | VersionTuple Introduced, VersionTuple Deprecated, |
3330 | VersionTuple Obsoleted, bool IsUnavailable, |
3331 | StringRef Message, bool IsStrict, StringRef Replacement, |
3332 | AvailabilityMergeKind AMK, int Priority); |
3333 | TypeVisibilityAttr * |
3334 | mergeTypeVisibilityAttr(Decl *D, const AttributeCommonInfo &CI, |
3335 | TypeVisibilityAttr::VisibilityType Vis); |
3336 | VisibilityAttr *mergeVisibilityAttr(Decl *D, const AttributeCommonInfo &CI, |
3337 | VisibilityAttr::VisibilityType Vis); |
3338 | UuidAttr *mergeUuidAttr(Decl *D, const AttributeCommonInfo &CI, |
3339 | StringRef UuidAsWritten, MSGuidDecl *GuidDecl); |
3340 | DLLImportAttr *mergeDLLImportAttr(Decl *D, const AttributeCommonInfo &CI); |
3341 | DLLExportAttr *mergeDLLExportAttr(Decl *D, const AttributeCommonInfo &CI); |
3342 | MSInheritanceAttr *mergeMSInheritanceAttr(Decl *D, |
3343 | const AttributeCommonInfo &CI, |
3344 | bool BestCase, |
3345 | MSInheritanceModel Model); |
3346 | FormatAttr *mergeFormatAttr(Decl *D, const AttributeCommonInfo &CI, |
3347 | IdentifierInfo *Format, int FormatIdx, |
3348 | int FirstArg); |
3349 | SectionAttr *mergeSectionAttr(Decl *D, const AttributeCommonInfo &CI, |
3350 | StringRef Name); |
3351 | CodeSegAttr *mergeCodeSegAttr(Decl *D, const AttributeCommonInfo &CI, |
3352 | StringRef Name); |
3353 | AlwaysInlineAttr *mergeAlwaysInlineAttr(Decl *D, |
3354 | const AttributeCommonInfo &CI, |
3355 | const IdentifierInfo *Ident); |
3356 | MinSizeAttr *mergeMinSizeAttr(Decl *D, const AttributeCommonInfo &CI); |
3357 | SwiftNameAttr *mergeSwiftNameAttr(Decl *D, const SwiftNameAttr &SNA, |
3358 | StringRef Name); |
3359 | OptimizeNoneAttr *mergeOptimizeNoneAttr(Decl *D, |
3360 | const AttributeCommonInfo &CI); |
3361 | InternalLinkageAttr *mergeInternalLinkageAttr(Decl *D, const ParsedAttr &AL); |
3362 | InternalLinkageAttr *mergeInternalLinkageAttr(Decl *D, |
3363 | const InternalLinkageAttr &AL); |
3364 | WebAssemblyImportNameAttr *mergeImportNameAttr( |
3365 | Decl *D, const WebAssemblyImportNameAttr &AL); |
3366 | WebAssemblyImportModuleAttr *mergeImportModuleAttr( |
3367 | Decl *D, const WebAssemblyImportModuleAttr &AL); |
3368 | EnforceTCBAttr *mergeEnforceTCBAttr(Decl *D, const EnforceTCBAttr &AL); |
3369 | EnforceTCBLeafAttr *mergeEnforceTCBLeafAttr(Decl *D, |
3370 | const EnforceTCBLeafAttr &AL); |
3371 | |
3372 | void mergeDeclAttributes(NamedDecl *New, Decl *Old, |
3373 | AvailabilityMergeKind AMK = AMK_Redeclaration); |
3374 | void MergeTypedefNameDecl(Scope *S, TypedefNameDecl *New, |
3375 | LookupResult &OldDecls); |
3376 | bool MergeFunctionDecl(FunctionDecl *New, NamedDecl *&Old, Scope *S, |
3377 | bool MergeTypeWithOld); |
3378 | bool MergeCompatibleFunctionDecls(FunctionDecl *New, FunctionDecl *Old, |
3379 | Scope *S, bool MergeTypeWithOld); |
3380 | void mergeObjCMethodDecls(ObjCMethodDecl *New, ObjCMethodDecl *Old); |
3381 | void MergeVarDecl(VarDecl *New, LookupResult &Previous); |
3382 | void MergeVarDeclTypes(VarDecl *New, VarDecl *Old, bool MergeTypeWithOld); |
3383 | void MergeVarDeclExceptionSpecs(VarDecl *New, VarDecl *Old); |
3384 | bool checkVarDeclRedefinition(VarDecl *OldDefn, VarDecl *NewDefn); |
3385 | void notePreviousDefinition(const NamedDecl *Old, SourceLocation New); |
3386 | bool MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old, Scope *S); |
3387 | |
3388 | |
3389 | |
3390 | enum AssignmentAction { |
3391 | AA_Assigning, |
3392 | AA_Passing, |
3393 | AA_Returning, |
3394 | AA_Converting, |
3395 | AA_Initializing, |
3396 | AA_Sending, |
3397 | AA_Casting, |
3398 | AA_Passing_CFAudited |
3399 | }; |
3400 | |
3401 | |
3402 | enum OverloadKind { |
3403 | |
3404 | |
3405 | Ovl_Overload, |
3406 | |
3407 | |
3408 | |
3409 | Ovl_Match, |
3410 | |
3411 | |
3412 | |
3413 | Ovl_NonFunction |
3414 | }; |
3415 | OverloadKind CheckOverload(Scope *S, |
3416 | FunctionDecl *New, |
3417 | const LookupResult &OldDecls, |
3418 | NamedDecl *&OldDecl, |
3419 | bool IsForUsingDecl); |
3420 | bool IsOverload(FunctionDecl *New, FunctionDecl *Old, bool IsForUsingDecl, |
3421 | bool ConsiderCudaAttrs = true, |
3422 | bool ConsiderRequiresClauses = true); |
3423 | |
3424 | enum class AllowedExplicit { |
3425 | |
3426 | None, |
3427 | |
3428 | Conversions, |
3429 | |
3430 | All |
3431 | }; |
3432 | |
3433 | ImplicitConversionSequence |
3434 | TryImplicitConversion(Expr *From, QualType ToType, |
3435 | bool SuppressUserConversions, |
3436 | AllowedExplicit AllowExplicit, |
3437 | bool InOverloadResolution, |
3438 | bool CStyle, |
3439 | bool AllowObjCWritebackConversion); |
3440 | |
3441 | bool IsIntegralPromotion(Expr *From, QualType FromType, QualType ToType); |
3442 | bool IsFloatingPointPromotion(QualType FromType, QualType ToType); |
3443 | bool IsComplexPromotion(QualType FromType, QualType ToType); |
3444 | bool IsPointerConversion(Expr *From, QualType FromType, QualType ToType, |
3445 | bool InOverloadResolution, |
3446 | QualType& ConvertedType, bool &IncompatibleObjC); |
3447 | bool isObjCPointerConversion(QualType FromType, QualType ToType, |
3448 | QualType& ConvertedType, bool &IncompatibleObjC); |
3449 | bool isObjCWritebackConversion(QualType FromType, QualType ToType, |
3450 | QualType &ConvertedType); |
3451 | bool IsBlockPointerConversion(QualType FromType, QualType ToType, |
3452 | QualType& ConvertedType); |
3453 | bool FunctionParamTypesAreEqual(const FunctionProtoType *OldType, |
3454 | const FunctionProtoType *NewType, |
3455 | unsigned *ArgPos = nullptr); |
3456 | void HandleFunctionTypeMismatch(PartialDiagnostic &PDiag, |
3457 | QualType FromType, QualType ToType); |
3458 | |
3459 | void maybeExtendBlockObject(ExprResult &E); |
3460 | CastKind PrepareCastToObjCObjectPointer(ExprResult &E); |
3461 | bool CheckPointerConversion(Expr *From, QualType ToType, |
3462 | CastKind &Kind, |
3463 | CXXCastPath& BasePath, |
3464 | bool IgnoreBaseAccess, |
3465 | bool Diagnose = true); |
3466 | bool IsMemberPointerConversion(Expr *From, QualType FromType, QualType ToType, |
3467 | bool InOverloadResolution, |
3468 | QualType &ConvertedType); |
3469 | bool CheckMemberPointerConversion(Expr *From, QualType ToType, |
3470 | CastKind &Kind, |
3471 | CXXCastPath &BasePath, |
3472 | bool IgnoreBaseAccess); |
3473 | bool IsQualificationConversion(QualType FromType, QualType ToType, |
3474 | bool CStyle, bool &ObjCLifetimeConversion); |
3475 | bool IsFunctionConversion(QualType FromType, QualType ToType, |
3476 | QualType &ResultTy); |
3477 | bool DiagnoseMultipleUserDefinedConversion(Expr *From, QualType ToType); |
3478 | bool isSameOrCompatibleFunctionType(CanQualType Param, CanQualType Arg); |
3479 | |
3480 | bool CanPerformAggregateInitializationForOverloadResolution( |
3481 | const InitializedEntity &Entity, InitListExpr *From); |
3482 | |
3483 | bool IsStringInit(Expr *Init, const ArrayType *AT); |
3484 | |
3485 | bool CanPerformCopyInitialization(const InitializedEntity &Entity, |
3486 | ExprResult Init); |
3487 | ExprResult PerformCopyInitialization(const InitializedEntity &Entity, |
3488 | SourceLocation EqualLoc, |
3489 | ExprResult Init, |
3490 | bool TopLevelOfInitList = false, |
3491 | bool AllowExplicit = false); |
3492 | ExprResult PerformObjectArgumentInitialization(Expr *From, |
3493 | NestedNameSpecifier *Qualifier, |
3494 | NamedDecl *FoundDecl, |
3495 | CXXMethodDecl *Method); |
3496 | |
3497 | |
3498 | |
3499 | |
3500 | void checkInitializerLifetime(const InitializedEntity &Entity, Expr *Init); |
3501 | |
3502 | ExprResult PerformContextuallyConvertToBool(Expr *From); |
3503 | ExprResult PerformContextuallyConvertToObjCPointer(Expr *From); |
3504 | |
3505 | |
3506 | enum CCEKind { |
3507 | CCEK_CaseValue, |
3508 | CCEK_Enumerator, |
3509 | CCEK_TemplateArg, |
3510 | CCEK_ArrayBound, |
3511 | CCEK_ExplicitBool |
3512 | }; |
3513 | ExprResult CheckConvertedConstantExpression(Expr *From, QualType T, |
3514 | llvm::APSInt &Value, CCEKind CCE); |
3515 | ExprResult CheckConvertedConstantExpression(Expr *From, QualType T, |
3516 | APValue &Value, CCEKind CCE, |
3517 | NamedDecl *Dest = nullptr); |
3518 | |
3519 | |
3520 | |
3521 | class ContextualImplicitConverter { |
3522 | public: |
3523 | bool Suppress; |
3524 | bool SuppressConversion; |
3525 | |
3526 | ContextualImplicitConverter(bool Suppress = false, |
3527 | bool SuppressConversion = false) |
3528 | : Suppress(Suppress), SuppressConversion(SuppressConversion) {} |
3529 | |
3530 | |
3531 | |
3532 | virtual bool match(QualType T) = 0; |
3533 | |
3534 | |
3535 | |
3536 | virtual SemaDiagnosticBuilder |
3537 | diagnoseNoMatch(Sema &S, SourceLocation Loc, QualType T) = 0; |
3538 | |
3539 | |
3540 | virtual SemaDiagnosticBuilder |
3541 | diagnoseIncomplete(Sema &S, SourceLocation Loc, QualType T) = 0; |
3542 | |
3543 | |
3544 | |
3545 | virtual SemaDiagnosticBuilder diagnoseExplicitConv( |
3546 | Sema &S, SourceLocation Loc, QualType T, QualType ConvTy) = 0; |
3547 | |
3548 | |
3549 | virtual SemaDiagnosticBuilder |
3550 | noteExplicitConv(Sema &S, CXXConversionDecl *Conv, QualType ConvTy) = 0; |
3551 | |
3552 | |
3553 | |
3554 | virtual SemaDiagnosticBuilder |
3555 | diagnoseAmbiguous(Sema &S, SourceLocation Loc, QualType T) = 0; |
3556 | |
3557 | |
3558 | virtual SemaDiagnosticBuilder |
3559 | noteAmbiguous(Sema &S, CXXConversionDecl *Conv, QualType ConvTy) = 0; |
3560 | |
3561 | |
3562 | |
3563 | virtual SemaDiagnosticBuilder diagnoseConversion( |
3564 | Sema &S, SourceLocation Loc, QualType T, QualType ConvTy) = 0; |
3565 | |
3566 | virtual ~ContextualImplicitConverter() {} |
3567 | }; |
3568 | |
3569 | class ICEConvertDiagnoser : public ContextualImplicitConverter { |
3570 | bool AllowScopedEnumerations; |
3571 | |
3572 | public: |
3573 | ICEConvertDiagnoser(bool AllowScopedEnumerations, |
3574 | bool Suppress, bool SuppressConversion) |
3575 | : ContextualImplicitConverter(Suppress, SuppressConversion), |
3576 | AllowScopedEnumerations(AllowScopedEnumerations) {} |
3577 | |
3578 | |
3579 | bool match(QualType T) override; |
3580 | |
3581 | SemaDiagnosticBuilder |
3582 | diagnoseNoMatch(Sema &S, SourceLocation Loc, QualType T) override { |
3583 | return diagnoseNotInt(S, Loc, T); |
3584 | } |
3585 | |
3586 | |
3587 | |
3588 | virtual SemaDiagnosticBuilder |
3589 | diagnoseNotInt(Sema &S, SourceLocation Loc, QualType T) = 0; |
3590 | }; |
3591 | |
3592 | |
3593 | ExprResult PerformContextualImplicitConversion( |
3594 | SourceLocation Loc, Expr *FromE, ContextualImplicitConverter &Converter); |
3595 | |
3596 | |
3597 | enum ObjCSubscriptKind { |
3598 | OS_Array, |
3599 | OS_Dictionary, |
3600 | OS_Error |
3601 | }; |
3602 | ObjCSubscriptKind CheckSubscriptingKind(Expr *FromE); |
3603 | |
3604 | |
3605 | |
3606 | enum ObjCLiteralKind { |
3607 | LK_Array, |
3608 | LK_Dictionary, |
3609 | LK_Numeric, |
3610 | LK_Boxed, |
3611 | LK_String, |
3612 | LK_Block, |
3613 | LK_None |
3614 | }; |
3615 | ObjCLiteralKind CheckLiteralKind(Expr *FromE); |
3616 | |
3617 | ExprResult PerformObjectMemberConversion(Expr *From, |
3618 | NestedNameSpecifier *Qualifier, |
3619 | NamedDecl *FoundDecl, |
3620 | NamedDecl *Member); |
3621 | |
3622 | |
3623 | |
3624 | typedef llvm::SmallSetVector<DeclContext *, 16> AssociatedNamespaceSet; |
3625 | typedef llvm::SmallSetVector<CXXRecordDecl *, 16> AssociatedClassSet; |
3626 | |
3627 | using ADLCallKind = CallExpr::ADLCallKind; |
3628 | |
3629 | void AddOverloadCandidate(FunctionDecl *Function, DeclAccessPair FoundDecl, |
3630 | ArrayRef<Expr *> Args, |
3631 | OverloadCandidateSet &CandidateSet, |
3632 | bool SuppressUserConversions = false, |
3633 | bool PartialOverloading = false, |
3634 | bool AllowExplicit = true, |
3635 | bool AllowExplicitConversion = false, |
3636 | ADLCallKind IsADLCandidate = ADLCallKind::NotADL, |
3637 | ConversionSequenceList EarlyConversions = None, |
3638 | OverloadCandidateParamOrder PO = {}); |
3639 | void AddFunctionCandidates(const UnresolvedSetImpl &Functions, |
3640 | ArrayRef<Expr *> Args, |
3641 | OverloadCandidateSet &CandidateSet, |
3642 | TemplateArgumentListInfo *ExplicitTemplateArgs = nullptr, |
3643 | bool SuppressUserConversions = false, |
3644 | bool PartialOverloading = false, |
3645 | bool FirstArgumentIsBase = false); |
3646 | void AddMethodCandidate(DeclAccessPair FoundDecl, |
3647 | QualType ObjectType, |
3648 | Expr::Classification ObjectClassification, |
3649 | ArrayRef<Expr *> Args, |
3650 | OverloadCandidateSet& CandidateSet, |
3651 | bool SuppressUserConversion = false, |
3652 | OverloadCandidateParamOrder PO = {}); |
3653 | void AddMethodCandidate(CXXMethodDecl *Method, |
3654 | DeclAccessPair FoundDecl, |
3655 | CXXRecordDecl *ActingContext, QualType ObjectType, |
3656 | Expr::Classification ObjectClassification, |
3657 | ArrayRef<Expr *> Args, |
3658 | OverloadCandidateSet& CandidateSet, |
3659 | bool SuppressUserConversions = false, |
3660 | bool PartialOverloading = false, |
3661 | ConversionSequenceList EarlyConversions = None, |
3662 | OverloadCandidateParamOrder PO = {}); |
3663 | void AddMethodTemplateCandidate(FunctionTemplateDecl *MethodTmpl, |
3664 | DeclAccessPair FoundDecl, |
3665 | CXXRecordDecl *ActingContext, |
3666 | TemplateArgumentListInfo *ExplicitTemplateArgs, |
3667 | QualType ObjectType, |
3668 | Expr::Classification ObjectClassification, |
3669 | ArrayRef<Expr *> Args, |
3670 | OverloadCandidateSet& CandidateSet, |
3671 | bool SuppressUserConversions = false, |
3672 | bool PartialOverloading = false, |
3673 | OverloadCandidateParamOrder PO = {}); |
3674 | void AddTemplateOverloadCandidate( |
3675 | FunctionTemplateDecl *FunctionTemplate, DeclAccessPair FoundDecl, |
3676 | TemplateArgumentListInfo *ExplicitTemplateArgs, ArrayRef<Expr *> Args, |
3677 | OverloadCandidateSet &CandidateSet, bool SuppressUserConversions = false, |
3678 | bool PartialOverloading = false, bool AllowExplicit = true, |
3679 | ADLCallKind IsADLCandidate = ADLCallKind::NotADL, |
3680 | OverloadCandidateParamOrder PO = {}); |
3681 | bool CheckNonDependentConversions( |
3682 | FunctionTemplateDecl *FunctionTemplate, ArrayRef<QualType> ParamTypes, |
3683 | ArrayRef<Expr *> Args, OverloadCandidateSet &CandidateSet, |
3684 | ConversionSequenceList &Conversions, bool SuppressUserConversions, |
3685 | CXXRecordDecl *ActingContext = nullptr, QualType ObjectType = QualType(), |
3686 | Expr::Classification ObjectClassification = {}, |
3687 | OverloadCandidateParamOrder PO = {}); |
3688 | void AddConversionCandidate( |
3689 | CXXConversionDecl *Conversion, DeclAccessPair FoundDecl, |
3690 | CXXRecordDecl *ActingContext, Expr *From, QualType ToType, |
3691 | OverloadCandidateSet &CandidateSet, bool AllowObjCConversionOnExplicit, |
3692 | bool AllowExplicit, bool AllowResultConversion = true); |
3693 | void AddTemplateConversionCandidate( |
3694 | FunctionTemplateDecl *FunctionTemplate, DeclAccessPair FoundDecl, |
3695 | CXXRecordDecl *ActingContext, Expr *From, QualType ToType, |
3696 | OverloadCandidateSet &CandidateSet, bool AllowObjCConversionOnExplicit, |
3697 | bool AllowExplicit, bool AllowResultConversion = true); |
3698 | void AddSurrogateCandidate(CXXConversionDecl *Conversion, |
3699 | DeclAccessPair FoundDecl, |
3700 | CXXRecordDecl *ActingContext, |
3701 | const FunctionProtoType *Proto, |
3702 | Expr *Object, ArrayRef<Expr *> Args, |
3703 | OverloadCandidateSet& CandidateSet); |
3704 | void AddNonMemberOperatorCandidates( |
3705 | const UnresolvedSetImpl &Functions, ArrayRef<Expr *> Args, |
3706 | OverloadCandidateSet &CandidateSet, |
3707 | TemplateArgumentListInfo *ExplicitTemplateArgs = nullptr); |
3708 | void AddMemberOperatorCandidates(OverloadedOperatorKind Op, |
3709 | SourceLocation OpLoc, ArrayRef<Expr *> Args, |
3710 | OverloadCandidateSet &CandidateSet, |
3711 | OverloadCandidateParamOrder PO = {}); |
3712 | void AddBuiltinCandidate(QualType *ParamTys, ArrayRef<Expr *> Args, |
3713 | OverloadCandidateSet& CandidateSet, |
3714 | bool IsAssignmentOperator = false, |
3715 | unsigned NumContextualBoolArguments = 0); |
3716 | void AddBuiltinOperatorCandidates(OverloadedOperatorKind Op, |
3717 | SourceLocation OpLoc, ArrayRef<Expr *> Args, |
3718 | OverloadCandidateSet& CandidateSet); |
3719 | void AddArgumentDependentLookupCandidates(DeclarationName Name, |
3720 | SourceLocation Loc, |
3721 | ArrayRef<Expr *> Args, |
3722 | TemplateArgumentListInfo *ExplicitTemplateArgs, |
3723 | OverloadCandidateSet& CandidateSet, |
3724 | bool PartialOverloading = false); |
3725 | |
3726 | |
3727 | void NoteOverloadCandidate( |
3728 | NamedDecl *Found, FunctionDecl *Fn, |
3729 | OverloadCandidateRewriteKind RewriteKind = OverloadCandidateRewriteKind(), |
3730 | QualType DestType = QualType(), bool TakingAddress = false); |
3731 | |
3732 | |
3733 | |
3734 | void NoteAllOverloadCandidates(Expr *E, QualType DestType = QualType(), |
3735 | bool TakingAddress = false); |
3736 | |
3737 | |
3738 | |
3739 | EnableIfAttr *CheckEnableIf(FunctionDecl *Function, SourceLocation CallLoc, |
3740 | ArrayRef<Expr *> Args, |
3741 | bool MissingImplicitThis = false); |
3742 | |
3743 | |
3744 | |
3745 | std::pair<Expr *, std::string> findFailedBooleanCondition(Expr *Cond); |
3746 | |
3747 | |
3748 | |
3749 | |
3750 | |
3751 | |
3752 | |
3753 | |
3754 | bool diagnoseArgDependentDiagnoseIfAttrs(const FunctionDecl *Function, |
3755 | const Expr *ThisArg, |
3756 | ArrayRef<const Expr *> Args, |
3757 | SourceLocation Loc); |
3758 | |
3759 | |
3760 | |
3761 | |
3762 | |
3763 | |
3764 | |
3765 | |
3766 | bool diagnoseArgIndependentDiagnoseIfAttrs(const NamedDecl *ND, |
3767 | SourceLocation Loc); |
3768 | |
3769 | |
3770 | |
3771 | |
3772 | |
3773 | bool checkAddressOfFunctionIsAvailable(const FunctionDecl *Function, |
3774 | bool Complain = false, |
3775 | SourceLocation Loc = SourceLocation()); |
3776 | |
3777 | |
3778 | |
3779 | |
3780 | |
3781 | |
3782 | |
3783 | QualType ExtractUnqualifiedFunctionType(QualType PossiblyAFunctionType); |
3784 | |
3785 | FunctionDecl * |
3786 | ResolveAddressOfOverloadedFunction(Expr *AddressOfExpr, |
3787 | QualType TargetType, |
3788 | bool Complain, |
3789 | DeclAccessPair &Found, |
3790 | bool *pHadMultipleCandidates = nullptr); |
3791 | |
3792 | FunctionDecl * |
3793 | resolveAddressOfSingleOverloadCandidate(Expr *E, DeclAccessPair &FoundResult); |
3794 | |
3795 | bool resolveAndFixAddressOfSingleOverloadCandidate( |
3796 | ExprResult &SrcExpr, bool DoFunctionPointerConversion = false); |
3797 | |
3798 | FunctionDecl * |
3799 | ResolveSingleFunctionTemplateSpecialization(OverloadExpr *ovl, |
3800 | bool Complain = false, |
3801 | DeclAccessPair *Found = nullptr); |
3802 | |
3803 | bool ResolveAndFixSingleFunctionTemplateSpecialization( |
3804 | ExprResult &SrcExpr, |
3805 | bool DoFunctionPointerConverion = false, |
3806 | bool Complain = false, |
3807 | SourceRange OpRangeForComplaining = SourceRange(), |
3808 | QualType DestTypeForComplaining = QualType(), |
3809 | unsigned DiagIDForComplaining = 0); |
3810 | |
3811 | |
3812 | Expr *FixOverloadedFunctionReference(Expr *E, |
3813 | DeclAccessPair FoundDecl, |
3814 | FunctionDecl *Fn); |
3815 | ExprResult FixOverloadedFunctionReference(ExprResult, |
3816 | DeclAccessPair FoundDecl, |
3817 | FunctionDecl *Fn); |
3818 | |
3819 | void AddOverloadedCallCandidates(UnresolvedLookupExpr *ULE, |
3820 | ArrayRef<Expr *> Args, |
3821 | OverloadCandidateSet &CandidateSet, |
3822 | bool PartialOverloading = false); |
3823 | void AddOverloadedCallCandidates( |
3824 | LookupResult &R, TemplateArgumentListInfo *ExplicitTemplateArgs, |
3825 | ArrayRef<Expr *> Args, OverloadCandidateSet &CandidateSet); |
3826 | |
3827 | |
3828 | |
3829 | enum ForRangeStatus { |
3830 | FRS_Success, |
3831 | FRS_NoViableFunction, |
3832 | FRS_DiagnosticIssued |
3833 | }; |
3834 | |
3835 | ForRangeStatus BuildForRangeBeginEndCall(SourceLocation Loc, |
3836 | SourceLocation RangeLoc, |
3837 | const DeclarationNameInfo &NameInfo, |
3838 | LookupResult &MemberLookup, |
3839 | OverloadCandidateSet *CandidateSet, |
3840 | Expr *Range, ExprResult *CallExpr); |
3841 | |
3842 | ExprResult BuildOverloadedCallExpr(Scope *S, Expr *Fn, |
3843 | UnresolvedLookupExpr *ULE, |
3844 | SourceLocation LParenLoc, |
3845 | MultiExprArg Args, |
3846 | SourceLocation RParenLoc, |
3847 | Expr *ExecConfig, |
3848 | bool AllowTypoCorrection=true, |
3849 | bool CalleesAddressIsTaken=false); |
3850 | |
3851 | bool buildOverloadedCallSet(Scope *S, Expr *Fn, UnresolvedLookupExpr *ULE, |
3852 | MultiExprArg Args, SourceLocation RParenLoc, |
3853 | OverloadCandidateSet *CandidateSet, |
3854 | ExprResult *Result); |
3855 | |
3856 | ExprResult CreateUnresolvedLookupExpr(CXXRecordDecl *NamingClass, |
3857 | NestedNameSpecifierLoc NNSLoc, |
3858 | DeclarationNameInfo DNI, |
3859 | const UnresolvedSetImpl &Fns, |
3860 | bool PerformADL = true); |
3861 | |
3862 | ExprResult CreateOverloadedUnaryOp(SourceLocation OpLoc, |
3863 | UnaryOperatorKind Opc, |
3864 | const UnresolvedSetImpl &Fns, |
3865 | Expr *input, bool RequiresADL = true); |
3866 | |
3867 | void LookupOverloadedBinOp(OverloadCandidateSet &CandidateSet, |
3868 | OverloadedOperatorKind Op, |
3869 | const UnresolvedSetImpl &Fns, |
3870 | ArrayRef<Expr *> Args, bool RequiresADL = true); |
3871 | ExprResult CreateOverloadedBinOp(SourceLocation OpLoc, |
3872 | BinaryOperatorKind Opc, |
3873 | const UnresolvedSetImpl &Fns, |
3874 | Expr *LHS, Expr *RHS, |
3875 | bool RequiresADL = true, |
3876 | bool AllowRewrittenCandidates = true, |
3877 | FunctionDecl *DefaultedFn = nullptr); |
3878 | ExprResult BuildSynthesizedThreeWayComparison(SourceLocation OpLoc, |
3879 | const UnresolvedSetImpl &Fns, |
3880 | Expr *LHS, Expr *RHS, |
3881 | FunctionDecl *DefaultedFn); |
3882 | |
3883 | ExprResult CreateOverloadedArraySubscriptExpr(SourceLocation LLoc, |
3884 | SourceLocation RLoc, |
3885 | Expr *Base,Expr *Idx); |
3886 | |
3887 | ExprResult BuildCallToMemberFunction(Scope *S, Expr *MemExpr, |
3888 | SourceLocation LParenLoc, |
3889 | MultiExprArg Args, |
3890 | SourceLocation RParenLoc, |
3891 | bool AllowRecovery = false); |
3892 | ExprResult |
3893 | BuildCallToObjectOfClassType(Scope *S, Expr *Object, SourceLocation LParenLoc, |
3894 | MultiExprArg Args, |
3895 | SourceLocation RParenLoc); |
3896 | |
3897 | ExprResult BuildOverloadedArrowExpr(Scope *S, Expr *Base, |
3898 | SourceLocation OpLoc, |
3899 | bool *NoArrowOperatorFound = nullptr); |
3900 | |
3901 | |
3902 | |
3903 | |
3904 | bool CheckCallReturnType(QualType ReturnType, SourceLocation Loc, |
3905 | CallExpr *CE, FunctionDecl *FD); |
3906 | |
3907 | |
3908 | bool CheckParmsForFunctionDef(ArrayRef<ParmVarDecl *> Parameters, |
3909 | bool CheckParameterNames); |
3910 | void CheckCXXDefaultArguments(FunctionDecl *FD); |
3911 | void CheckExtraCXXDefaultArguments(Declarator &D); |
3912 | Scope *getNonFieldDeclScope(Scope *S); |
3913 | |
3914 | |
3915 | |
3916 | |
3917 | |
3918 | |
3919 | |
3920 | |
3921 | |
3922 | |
3923 | |
3924 | |
3925 | |
3926 | |
3927 | |
3928 | |
3929 | |
3930 | |
3931 | |
3932 | |
3933 | |
3934 | |
3935 | |
3936 | |
3937 | |
3938 | |
3939 | |
3940 | |
3941 | |
3942 | enum LookupNameKind { |
3943 | |
3944 | |
3945 | |
3946 | LookupOrdinaryName = 0, |
3947 | |
3948 | |
3949 | LookupTagName, |
3950 | |
3951 | LookupLabel, |
3952 | |
3953 | |
3954 | LookupMemberName, |
3955 | |
3956 | |
3957 | |
3958 | LookupOperatorName, |
3959 | |
3960 | |
3961 | LookupDestructorName, |
3962 | |
3963 | |
3964 | |
3965 | LookupNestedNameSpecifierName, |
3966 | |
3967 | |
3968 | |
3969 | LookupNamespaceName, |
3970 | |
3971 | |
3972 | |
3973 | LookupUsingDeclName, |
3974 | |
3975 | |
3976 | |
3977 | |
3978 | LookupRedeclarationWithLinkage, |
3979 | |
3980 | |
3981 | LookupLocalFriendName, |
3982 | |
3983 | LookupObjCProtocolName, |
3984 | |
3985 | LookupObjCImplicitSelfParam, |
3986 | |
3987 | LookupOMPReductionName, |
3988 | |
3989 | LookupOMPMapperName, |
3990 | |
3991 | LookupAnyName |
3992 | }; |
3993 | |
3994 | |
3995 | |
3996 | enum RedeclarationKind { |
3997 | |
3998 | |
3999 | NotForRedeclaration = 0, |
4000 | |
4001 | |
4002 | ForVisibleRedeclaration, |
4003 | |
4004 | |
4005 | |
4006 | ForExternalRedeclaration |
4007 | }; |
4008 | |
4009 | RedeclarationKind forRedeclarationInCurContext() { |
4010 | |
4011 | |
4012 | |
4013 | |
4014 | if (cast<Decl>(CurContext) |
4015 | ->getOwningModuleForLinkage(true)) |
4016 | return ForVisibleRedeclaration; |
4017 | return ForExternalRedeclaration; |
4018 | } |
4019 | |
4020 | |
4021 | enum LiteralOperatorLookupResult { |
4022 | |
4023 | LOLR_Error, |
4024 | |
4025 | LOLR_ErrorNoDiagnostic, |
4026 | |
4027 | |
4028 | LOLR_Cooked, |
4029 | |
4030 | |
4031 | LOLR_Raw, |
4032 | |
4033 | |
4034 | |
4035 | LOLR_Template, |
4036 | |
4037 | |
4038 | |
4039 | LOLR_StringTemplatePack, |
4040 | }; |
4041 | |
4042 | SpecialMemberOverloadResult LookupSpecialMember(CXXRecordDecl *D, |
4043 | CXXSpecialMember SM, |
4044 | bool ConstArg, |
4045 | bool VolatileArg, |
4046 | bool RValueThis, |
4047 | bool ConstThis, |
4048 | bool VolatileThis); |
4049 | |
4050 | typedef std::function<void(const TypoCorrection &)> TypoDiagnosticGenerator; |
4051 | typedef std::function<ExprResult(Sema &, TypoExpr *, TypoCorrection)> |
4052 | TypoRecoveryCallback; |
4053 | |
4054 | private: |
4055 | bool CppLookupName(LookupResult &R, Scope *S); |
4056 | |
4057 | struct TypoExprState { |
4058 | std::unique_ptr<TypoCorrectionConsumer> Consumer; |
4059 | TypoDiagnosticGenerator DiagHandler; |
4060 | TypoRecoveryCallback RecoveryHandler; |
4061 | TypoExprState(); |
4062 | TypoExprState(TypoExprState &&other) noexcept; |
4063 | TypoExprState &operator=(TypoExprState &&other) noexcept; |
4064 | }; |
4065 | |
4066 | |
4067 | llvm::MapVector<TypoExpr *, TypoExprState> DelayedTypos; |
4068 | |
4069 | |
4070 | TypoExpr *createDelayedTypo(std::unique_ptr<TypoCorrectionConsumer> TCC, |
4071 | TypoDiagnosticGenerator TDG, |
4072 | TypoRecoveryCallback TRC, SourceLocation TypoLoc); |
4073 | |
4074 | |
4075 | |
4076 | |
4077 | |
4078 | llvm::MapVector<NamespaceDecl*, bool> KnownNamespaces; |
4079 | |
4080 | |
4081 | |
4082 | bool LoadedExternalKnownNamespaces; |
4083 | |
4084 | |
4085 | |
4086 | |
4087 | std::unique_ptr<TypoCorrectionConsumer> |
4088 | makeTypoCorrectionConsumer(const DeclarationNameInfo &Typo, |
4089 | Sema::LookupNameKind LookupKind, Scope *S, |
4090 | CXXScopeSpec *SS, |
4091 | CorrectionCandidateCallback &CCC, |
4092 | DeclContext *MemberContext, bool EnteringContext, |
4093 | const ObjCObjectPointerType *OPT, |
4094 | bool ErrorRecovery); |
4095 | |
4096 | public: |
4097 | const TypoExprState &getTypoExprState(TypoExpr *TE) const; |
4098 | |
4099 | |
4100 | void clearDelayedTypo(TypoExpr *TE); |
4101 | |
4102 | |
4103 | |
4104 | |
4105 | |
4106 | |
4107 | NamedDecl *LookupSingleName(Scope *S, DeclarationName Name, |
4108 | SourceLocation Loc, |
4109 | LookupNameKind NameKind, |
4110 | RedeclarationKind Redecl |
4111 | = NotForRedeclaration); |
4112 | bool LookupBuiltin(LookupResult &R); |
4113 | void LookupNecessaryTypesForBuiltin(Scope *S, unsigned ID); |
4114 | bool LookupName(LookupResult &R, Scope *S, |
4115 | bool AllowBuiltinCreation = false); |
4116 | bool LookupQualifiedName(LookupResult &R, DeclContext *LookupCtx, |
4117 | bool InUnqualifiedLookup = false); |
4118 | bool LookupQualifiedName(LookupResult &R, DeclContext *LookupCtx, |
4119 | CXXScopeSpec &SS); |
4120 | bool LookupParsedName(LookupResult &R, Scope *S, CXXScopeSpec *SS, |
4121 | bool AllowBuiltinCreation = false, |
4122 | bool EnteringContext = false); |
4123 | ObjCProtocolDecl *LookupProtocol(IdentifierInfo *II, SourceLocation IdLoc, |
4124 | RedeclarationKind Redecl |
4125 | = NotForRedeclaration); |
4126 | bool LookupInSuper(LookupResult &R, CXXRecordDecl *Class); |
4127 | |
4128 | void LookupOverloadedOperatorName(OverloadedOperatorKind Op, Scope *S, |
4129 | UnresolvedSetImpl &Functions); |
4130 | |
4131 | LabelDecl *LookupOrCreateLabel(IdentifierInfo *II, SourceLocation IdentLoc, |
4132 | SourceLocation GnuLabelLoc = SourceLocation()); |
4133 | |
4134 | DeclContextLookupResult LookupConstructors(CXXRecordDecl *Class); |
4135 | CXXConstructorDecl *LookupDefaultConstructor(CXXRecordDecl *Class); |
4136 | CXXConstructorDecl *LookupCopyingConstructor(CXXRecordDecl *Class, |
4137 | unsigned Quals); |
4138 | CXXMethodDecl *LookupCopyingAssignment(CXXRecordDecl *Class, unsigned Quals, |
4139 | bool RValueThis, unsigned ThisQuals); |
4140 | CXXConstructorDecl *LookupMovingConstructor(CXXRecordDecl *Class, |
4141 | unsigned Quals); |
4142 | CXXMethodDecl *LookupMovingAssignment(CXXRecordDecl *Class, unsigned Quals, |
4143 | bool RValueThis, unsigned ThisQuals); |
4144 | CXXDestructorDecl *LookupDestructor(CXXRecordDecl *Class); |
4145 | |
4146 | bool checkLiteralOperatorId(const CXXScopeSpec &SS, const UnqualifiedId &Id, |
4147 | bool IsUDSuffix); |
4148 | LiteralOperatorLookupResult |
4149 | LookupLiteralOperator(Scope *S, LookupResult &R, ArrayRef<QualType> ArgTys, |
4150 | bool AllowRaw, bool AllowTemplate, |
4151 | bool AllowStringTemplate, bool DiagnoseMissing, |
4152 | StringLiteral *StringLit = nullptr); |
4153 | bool isKnownName(StringRef name); |
4154 | |
4155 | |
4156 | enum class FunctionEmissionStatus { |
4157 | Emitted, |
4158 | CUDADiscarded, |
4159 | OMPDiscarded, |
4160 | TemplateDiscarded, |
4161 | Unknown, |
4162 | }; |
4163 | FunctionEmissionStatus getEmissionStatus(FunctionDecl *Decl, |
4164 | bool Final = false); |
4165 | |
4166 | |
4167 | bool shouldIgnoreInHostDeviceCheck(FunctionDecl *Callee); |
4168 | |
4169 | void ArgumentDependentLookup(DeclarationName Name, SourceLocation Loc, |
4170 | ArrayRef<Expr *> Args, ADLResult &Functions); |
4171 | |
4172 | void LookupVisibleDecls(Scope *S, LookupNameKind Kind, |
4173 | VisibleDeclConsumer &Consumer, |
4174 | bool IncludeGlobalScope = true, |
4175 | bool LoadExternal = true); |
4176 | void LookupVisibleDecls(DeclContext *Ctx, LookupNameKind Kind, |
4177 | VisibleDeclConsumer &Consumer, |
4178 | bool IncludeGlobalScope = true, |
4179 | bool IncludeDependentBases = false, |
4180 | bool LoadExternal = true); |
4181 | |
4182 | enum CorrectTypoKind { |
4183 | CTK_NonError, |
4184 | CTK_ErrorRecovery |
4185 | }; |
4186 | |
4187 | TypoCorrection CorrectTypo(const DeclarationNameInfo &Typo, |
4188 | Sema::LookupNameKind LookupKind, |
4189 | Scope *S, CXXScopeSpec *SS, |
4190 | CorrectionCandidateCallback &CCC, |
4191 | CorrectTypoKind Mode, |
4192 | DeclContext *MemberContext = nullptr, |
4193 | bool EnteringContext = false, |
4194 | const ObjCObjectPointerType *OPT = nullptr, |
4195 | bool RecordFailure = true); |
4196 | |
4197 | TypoExpr *CorrectTypoDelayed(const DeclarationNameInfo &Typo, |
4198 | Sema::LookupNameKind LookupKind, Scope *S, |
4199 | CXXScopeSpec *SS, |
4200 | CorrectionCandidateCallback &CCC, |
4201 | TypoDiagnosticGenerator TDG, |
4202 | TypoRecoveryCallback TRC, CorrectTypoKind Mode, |
4203 | DeclContext *MemberContext = nullptr, |
4204 | bool EnteringContext = false, |
4205 | const ObjCObjectPointerType *OPT = nullptr); |
4206 | |
4207 | |
4208 | |
4209 | |
4210 | |
4211 | |
4212 | |
4213 | |
4214 | |
4215 | |
4216 | |
4217 | |
4218 | |
4219 | |
4220 | |
4221 | |
4222 | |
4223 | |
4224 | ExprResult CorrectDelayedTyposInExpr( |
4225 | Expr *E, VarDecl *InitDecl = nullptr, |
4226 | bool RecoverUncorrectedTypos = false, |
4227 | llvm::function_ref<ExprResult(Expr *)> Filter = |
4228 | [](Expr *E) -> ExprResult { return E; }); |
4229 | |
4230 | ExprResult CorrectDelayedTyposInExpr( |
4231 | ExprResult ER, VarDecl *InitDecl = nullptr, |
4232 | bool RecoverUncorrectedTypos = false, |
4233 | llvm::function_ref<ExprResult(Expr *)> Filter = |
4234 | [](Expr *E) -> ExprResult { return E; }) { |
4235 | return ER.isInvalid() |
4236 | ? ER |
4237 | : CorrectDelayedTyposInExpr(ER.get(), InitDecl, |
4238 | RecoverUncorrectedTypos, Filter); |
4239 | } |
4240 | |
4241 | void diagnoseTypo(const TypoCorrection &Correction, |
4242 | const PartialDiagnostic &TypoDiag, |
4243 | bool ErrorRecovery = true); |
4244 | |
4245 | void diagnoseTypo(const TypoCorrection &Correction, |
4246 | const PartialDiagnostic &TypoDiag, |
4247 | const PartialDiagnostic &PrevNote, |
4248 | bool ErrorRecovery = true); |
4249 | |
4250 | void MarkTypoCorrectedFunctionDefinition(const NamedDecl *F); |
4251 | |
4252 | void FindAssociatedClassesAndNamespaces(SourceLocation InstantiationLoc, |
4253 | ArrayRef<Expr *> Args, |
4254 | AssociatedNamespaceSet &AssociatedNamespaces, |
4255 | AssociatedClassSet &AssociatedClasses); |
4256 | |
4257 | void FilterLookupForScope(LookupResult &R, DeclContext *Ctx, Scope *S, |
4258 | bool ConsiderLinkage, bool AllowInlineNamespace); |
4259 | |
4260 | bool CheckRedeclarationModuleOwnership(NamedDecl *New, NamedDecl *Old); |
4261 | |
4262 | void DiagnoseAmbiguousLookup(LookupResult &Result); |
4263 | |
4264 | |
4265 | |
4266 | ExprResult CreateRecoveryExpr(SourceLocation Begin, SourceLocation End, |
4267 | ArrayRef<Expr *> SubExprs, |
4268 | QualType T = QualType()); |
4269 | |
4270 | ObjCInterfaceDecl *getObjCInterfaceDecl(IdentifierInfo *&Id, |
4271 | SourceLocation IdLoc, |
4272 | bool TypoCorrection = false); |
4273 | FunctionDecl *CreateBuiltin(IdentifierInfo *II, QualType Type, unsigned ID, |
4274 | SourceLocation Loc); |
4275 | NamedDecl *LazilyCreateBuiltin(IdentifierInfo *II, unsigned ID, |
4276 | Scope *S, bool ForRedeclaration, |
4277 | SourceLocation Loc); |
4278 | NamedDecl *ImplicitlyDefineFunction(SourceLocation Loc, IdentifierInfo &II, |
4279 | Scope *S); |
4280 | void AddKnownFunctionAttributesForReplaceableGlobalAllocationFunction( |
4281 | FunctionDecl *FD); |
4282 | void AddKnownFunctionAttributes(FunctionDecl *FD); |
4283 | |
4284 | |
4285 | |
4286 | void ProcessPragmaWeak(Scope *S, Decl *D); |
4287 | |
4288 | void ProcessDeclAttributes(Scope *S, Decl *D, const Declarator &PD); |
4289 | |
4290 | void ProcessDeclAttributeDelayed(Decl *D, |
4291 | const ParsedAttributesView &AttrList); |
4292 | void ProcessDeclAttributeList(Scope *S, Decl *D, const ParsedAttributesView &AL, |
4293 | bool IncludeCXX11Attributes = true); |
4294 | bool ProcessAccessDeclAttributeList(AccessSpecDecl *ASDecl, |
4295 | const ParsedAttributesView &AttrList); |
4296 | |
4297 | void checkUnusedDeclAttributes(Declarator &D); |
4298 | |
4299 | |
4300 | |
4301 | |
4302 | |
4303 | bool checkCommonAttributeFeatures(const Decl *D, const ParsedAttr &A); |
4304 | bool checkCommonAttributeFeatures(const Stmt *S, const ParsedAttr &A); |
4305 | |
4306 | |
4307 | |
4308 | |
4309 | |
4310 | bool isValidPointerAttrType(QualType T, bool RefOkay = false); |
4311 | |
4312 | bool CheckRegparmAttr(const ParsedAttr &attr, unsigned &value); |
4313 | bool CheckCallingConvAttr(const ParsedAttr &attr, CallingConv &CC, |
4314 | const FunctionDecl *FD = nullptr); |
4315 | bool CheckAttrTarget(const ParsedAttr &CurrAttr); |
4316 | bool CheckAttrNoArgs(const ParsedAttr &CurrAttr); |
4317 | bool checkStringLiteralArgumentAttr(const ParsedAttr &Attr, unsigned ArgNum, |
4318 | StringRef &Str, |
4319 | SourceLocation *ArgLocation = nullptr); |
4320 | llvm::Error isValidSectionSpecifier(StringRef Str); |
4321 | bool checkSectionName(SourceLocation LiteralLoc, StringRef Str); |
4322 | bool checkTargetAttr(SourceLocation LiteralLoc, StringRef Str); |
4323 | bool checkMSInheritanceAttrOnDefinition( |
4324 | CXXRecordDecl *RD, SourceRange Range, bool BestCase, |
4325 | MSInheritanceModel SemanticSpelling); |
4326 | |
4327 | void CheckAlignasUnderalignment(Decl *D); |
4328 | |
4329 | |
4330 | |
4331 | |
4332 | void adjustMemberFunctionCC(QualType &T, bool IsStatic, bool IsCtorOrDtor, |
4333 | SourceLocation Loc); |
4334 | |
4335 | |
4336 | |
4337 | |
4338 | bool hasExplicitCallingConv(QualType T); |
4339 | |
4340 | |
4341 | |
4342 | const AttributedType *getCallingConvAttributedType(QualType T) const; |
4343 | |
4344 | |
4345 | |
4346 | void ProcessStmtAttributes(Stmt *Stmt, |
4347 | const ParsedAttributesWithRange &InAttrs, |
4348 | SmallVectorImpl<const Attr *> &OutAttrs); |
4349 | |
4350 | void WarnConflictingTypedMethods(ObjCMethodDecl *Method, |
4351 | ObjCMethodDecl *MethodDecl, |
4352 | bool IsProtocolMethodDecl); |
4353 | |
4354 | void CheckConflictingOverridingMethod(ObjCMethodDecl *Method, |
4355 | ObjCMethodDecl *Overridden, |
4356 | bool IsProtocolMethodDecl); |
4357 | |
4358 | |
4359 | |
4360 | void WarnExactTypedMethods(ObjCMethodDecl *Method, |
4361 | ObjCMethodDecl *MethodDecl, |
4362 | bool IsProtocolMethodDecl); |
4363 | |
4364 | typedef llvm::SmallPtrSet<Selector, 8> SelectorSet; |
4365 | |
4366 | |
4367 | |
4368 | void CheckImplementationIvars(ObjCImplementationDecl *ImpDecl, |
4369 | ObjCIvarDecl **Fields, unsigned nIvars, |
4370 | SourceLocation Loc); |
4371 | |
4372 | |
4373 | |
4374 | void ImplMethodsVsClassMethods(Scope *S, ObjCImplDecl* IMPDecl, |
4375 | ObjCContainerDecl* IDecl, |
4376 | bool IncompleteImpl = false); |
4377 | |
4378 | |
4379 | |
4380 | void DiagnoseUnimplementedProperties(Scope *S, ObjCImplDecl* IMPDecl, |
4381 | ObjCContainerDecl *CDecl, |
4382 | bool SynthesizeProperties); |
4383 | |
4384 | |
4385 | void diagnoseNullResettableSynthesizedSetters(const ObjCImplDecl *impDecl); |
4386 | |
4387 | |
4388 | |
4389 | void DefaultSynthesizeProperties(Scope *S, ObjCImplDecl *IMPDecl, |
4390 | ObjCInterfaceDecl *IDecl, |
4391 | SourceLocation AtEnd); |
4392 | void DefaultSynthesizeProperties(Scope *S, Decl *D, SourceLocation AtEnd); |
4393 | |
4394 | |
4395 | |
4396 | |
4397 | bool IvarBacksCurrentMethodAccessor(ObjCInterfaceDecl *IFace, |
4398 | ObjCMethodDecl *Method, ObjCIvarDecl *IV); |
4399 | |
4400 | |
4401 | |
4402 | void DiagnoseUnusedBackingIvarInAccessor(Scope *S, |
4403 | const ObjCImplementationDecl *ImplD); |
4404 | |
4405 | |
4406 | |
4407 | |
4408 | ObjCIvarDecl *GetIvarBackingPropertyAccessor(const ObjCMethodDecl *Method, |
4409 | const ObjCPropertyDecl *&PDecl) const; |
4410 | |
4411 | |
4412 | |
4413 | ObjCPropertyDecl *HandlePropertyInClassExtension(Scope *S, |
4414 | SourceLocation AtLoc, |
4415 | SourceLocation LParenLoc, |
4416 | FieldDeclarator &FD, |
4417 | Selector GetterSel, |
4418 | SourceLocation GetterNameLoc, |
4419 | Selector SetterSel, |
4420 | SourceLocation SetterNameLoc, |
4421 | const bool isReadWrite, |
4422 | unsigned &Attributes, |
4423 | const unsigned AttributesAsWritten, |
4424 | QualType T, |
4425 | TypeSourceInfo *TSI, |
4426 | tok::ObjCKeywordKind MethodImplKind); |
4427 | |
4428 | |
4429 | |
4430 | ObjCPropertyDecl *CreatePropertyDecl(Scope *S, |
4431 | ObjCContainerDecl *CDecl, |
4432 | SourceLocation AtLoc, |
4433 | SourceLocation LParenLoc, |
4434 | FieldDeclarator &FD, |
4435 | Selector GetterSel, |
4436 | SourceLocation GetterNameLoc, |
4437 | Selector SetterSel, |
4438 | SourceLocation SetterNameLoc, |
4439 | const bool isReadWrite, |
4440 | const unsigned Attributes, |
4441 | const unsigned AttributesAsWritten, |
4442 | QualType T, |
4443 | TypeSourceInfo *TSI, |
4444 | tok::ObjCKeywordKind MethodImplKind, |
4445 | DeclContext *lexicalDC = nullptr); |
4446 | |
4447 | |
4448 | |
4449 | |
4450 | void AtomicPropertySetterGetterRules(ObjCImplDecl* IMPDecl, |
4451 | ObjCInterfaceDecl* IDecl); |
4452 | |
4453 | void DiagnoseOwningPropertyGetterSynthesis(const ObjCImplementationDecl *D); |
4454 | |
4455 | void DiagnoseMissingDesignatedInitOverrides( |
4456 | const ObjCImplementationDecl *ImplD, |
4457 | const ObjCInterfaceDecl *IFD); |
4458 | |
4459 | void DiagnoseDuplicateIvars(ObjCInterfaceDecl *ID, ObjCInterfaceDecl *SID); |
4460 | |
4461 | enum MethodMatchStrategy { |
4462 | MMS_loose, |
4463 | MMS_strict |
4464 | }; |
4465 | |
4466 | |
4467 | |
4468 | bool MatchTwoMethodDeclarations(const ObjCMethodDecl *Method, |
4469 | const ObjCMethodDecl *PrevMethod, |
4470 | MethodMatchStrategy strategy = MMS_strict); |
4471 | |
4472 | |
4473 | |
4474 | void MatchAllMethodDeclarations(const SelectorSet &InsMap, |
4475 | const SelectorSet &ClsMap, |
4476 | SelectorSet &InsMapSeen, |
4477 | SelectorSet &ClsMapSeen, |
4478 | ObjCImplDecl* IMPDecl, |
4479 | ObjCContainerDecl* IDecl, |
4480 | bool &IncompleteImpl, |
4481 | bool ImmediateClass, |
4482 | bool WarnCategoryMethodImpl=false); |
4483 | |
4484 | |
4485 | |
4486 | |
4487 | void CheckCategoryVsClassMethodMatches(ObjCCategoryImplDecl *CatIMP); |
4488 | |
4489 | |
4490 | void addMethodToGlobalList(ObjCMethodList *List, ObjCMethodDecl *Method); |
4491 | |
4492 | |
4493 | LangAS getDefaultCXXMethodAddrSpace() const; |
4494 | |
4495 | private: |
4496 | |
4497 | |
4498 | void AddMethodToGlobalPool(ObjCMethodDecl *Method, bool impl, bool instance); |
4499 | |
4500 | |
4501 | |
4502 | ObjCMethodDecl *LookupMethodInGlobalPool(Selector Sel, SourceRange R, |
4503 | bool receiverIdOrClass, |
4504 | bool instance); |
4505 | |
4506 | public: |
4507 | |
4508 | |
4509 | |
4510 | |
4511 | |
4512 | bool |
4513 | CollectMultipleMethodsInGlobalPool(Selector Sel, |
4514 | SmallVectorImpl<ObjCMethodDecl*>& Methods, |
4515 | bool InstanceFirst, bool CheckTheOther, |
4516 | const ObjCObjectType *TypeBound = nullptr); |
4517 | |
4518 | bool |
4519 | AreMultipleMethodsInGlobalPool(Selector Sel, ObjCMethodDecl *BestMethod, |
4520 | SourceRange R, bool receiverIdOrClass, |
4521 | SmallVectorImpl<ObjCMethodDecl*>& Methods); |
4522 | |
4523 | void |
4524 | DiagnoseMultipleMethodInGlobalPool(SmallVectorImpl<ObjCMethodDecl*> &Methods, |
4525 | Selector Sel, SourceRange R, |
4526 | bool receiverIdOrClass); |
4527 | |
4528 | private: |
4529 | |
4530 | |
4531 | ObjCMethodDecl *SelectBestMethod(Selector Sel, MultiExprArg Args, |
4532 | bool IsInstance, |
4533 | SmallVectorImpl<ObjCMethodDecl*>& Methods); |
4534 | |
4535 | |
4536 | |
4537 | TypoCorrection FailedCorrection(IdentifierInfo *Typo, SourceLocation TypoLoc, |
4538 | bool RecordFailure = true) { |
4539 | if (RecordFailure) |
4540 | TypoCorrectionFailures[Typo].insert(TypoLoc); |
4541 | return TypoCorrection(); |
4542 | } |
4543 | |
4544 | public: |
4545 | |
4546 | |
4547 | |
4548 | |
4549 | void AddInstanceMethodToGlobalPool(ObjCMethodDecl *Method, bool impl=false) { |
4550 | AddMethodToGlobalPool(Method, impl, true); |
4551 | } |
4552 | |
4553 | |
4554 | void AddFactoryMethodToGlobalPool(ObjCMethodDecl *Method, bool impl=false) { |
4555 | AddMethodToGlobalPool(Method, impl, false); |
4556 | } |
4557 | |
4558 | |
4559 | |
4560 | void AddAnyMethodToGlobalPool(Decl *D); |
4561 | |
4562 | |
4563 | |
4564 | ObjCMethodDecl *LookupInstanceMethodInGlobalPool(Selector Sel, SourceRange R, |
4565 | bool receiverIdOrClass=false) { |
4566 | return LookupMethodInGlobalPool(Sel, R, receiverIdOrClass, |
4567 | true); |
4568 | } |
4569 | |
4570 | |
4571 | |
4572 | ObjCMethodDecl *LookupFactoryMethodInGlobalPool(Selector Sel, SourceRange R, |
4573 | bool receiverIdOrClass=false) { |
4574 | return LookupMethodInGlobalPool(Sel, R, receiverIdOrClass, |
4575 | false); |
4576 | } |
4577 | |
4578 | const ObjCMethodDecl *SelectorsForTypoCorrection(Selector Sel, |
4579 | QualType ObjectType=QualType()); |
4580 | |
4581 | |
4582 | ObjCMethodDecl *LookupImplementedMethodInGlobalPool(Selector Sel); |
4583 | |
4584 | |
4585 | |
4586 | void CollectIvarsToConstructOrDestruct(ObjCInterfaceDecl *OI, |
4587 | SmallVectorImpl<ObjCIvarDecl*> &Ivars); |
4588 | |
4589 | |
4590 | |
4591 | public: |
4592 | class FullExprArg { |
4593 | public: |
4594 | FullExprArg() : E(nullptr) { } |
4595 | FullExprArg(Sema &actions) : E(nullptr) { } |
4596 | |
4597 | ExprResult release() { |
4598 | return E; |
4599 | } |
4600 | |
4601 | Expr *get() const { return E; } |
4602 | |
4603 | Expr *operator->() { |
4604 | return E; |
4605 | } |
4606 | |
4607 | private: |
4608 | |
4609 | |
4610 | friend class Sema; |
4611 | |
4612 | explicit FullExprArg(Expr *expr) : E(expr) {} |
4613 | |
4614 | Expr *E; |
4615 | }; |
4616 | |
4617 | FullExprArg MakeFullExpr(Expr *Arg) { |
4618 | return MakeFullExpr(Arg, Arg ? Arg->getExprLoc() : SourceLocation()); |
4619 | } |
4620 | FullExprArg MakeFullExpr(Expr *Arg, SourceLocation CC) { |
4621 | return FullExprArg( |
4622 | ActOnFinishFullExpr(Arg, CC, false).get()); |
4623 | } |
4624 | FullExprArg MakeFullDiscardedValueExpr(Expr *Arg) { |
4625 | ExprResult FE = |
4626 | ActOnFinishFullExpr(Arg, Arg ? Arg->getExprLoc() : SourceLocation(), |
4627 | true); |
4628 | return FullExprArg(FE.get()); |
4629 | } |
4630 | |
4631 | StmtResult ActOnExprStmt(ExprResult Arg, bool DiscardedValue = true); |
4632 | StmtResult ActOnExprStmtError(); |
4633 | |
4634 | StmtResult ActOnNullStmt(SourceLocation SemiLoc, |
4635 | bool HasLeadingEmptyMacro = false); |
4636 | |
4637 | void ActOnStartOfCompoundStmt(bool IsStmtExpr); |
4638 | void ActOnAfterCompoundStatementLeadingPragmas(); |
4639 | void ActOnFinishOfCompoundStmt(); |
4640 | StmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, |
4641 | ArrayRef<Stmt *> Elts, bool isStmtExpr); |
4642 | |
4643 | |
4644 | class CompoundScopeRAII { |
4645 | public: |
4646 | CompoundScopeRAII(Sema &S, bool IsStmtExpr = false) : S(S) { |
4647 | S.ActOnStartOfCompoundStmt(IsStmtExpr); |
4648 | } |
4649 | |
4650 | ~CompoundScopeRAII() { |
4651 | S.ActOnFinishOfCompoundStmt(); |
4652 | } |
4653 | |
4654 | private: |
4655 | Sema &S; |
4656 | }; |
4657 | |
4658 | |
4659 | struct FunctionScopeRAII { |
4660 | Sema &S; |
4661 | bool Active; |
4662 | FunctionScopeRAII(Sema &S) : S(S), Active(true) {} |
4663 | ~FunctionScopeRAII() { |
4664 | if (Active) |
4665 | S.PopFunctionScopeInfo(); |
4666 | } |
4667 | void disable() { Active = false; } |
4668 | }; |
4669 | |
4670 | StmtResult ActOnDeclStmt(DeclGroupPtrTy Decl, |
4671 | SourceLocation StartLoc, |
4672 | SourceLocation EndLoc); |
4673 | void ActOnForEachDeclStmt(DeclGroupPtrTy Decl); |
4674 | StmtResult ActOnForEachLValueExpr(Expr *E); |
4675 | ExprResult ActOnCaseExpr(SourceLocation CaseLoc, ExprResult Val); |
4676 | StmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprResult LHS, |
4677 | SourceLocation DotDotDotLoc, ExprResult RHS, |
4678 | SourceLocation ColonLoc); |
4679 | void ActOnCaseStmtBody(Stmt *CaseStmt, Stmt *SubStmt); |
4680 | |
4681 | StmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, |
4682 | SourceLocation ColonLoc, |
4683 | Stmt *SubStmt, Scope *CurScope); |
4684 | StmtResult ActOnLabelStmt(SourceLocation IdentLoc, LabelDecl *TheDecl, |
4685 | SourceLocation ColonLoc, Stmt *SubStmt); |
4686 | |
4687 | StmtResult BuildAttributedStmt(SourceLocation AttrsLoc, |
4688 | ArrayRef<const Attr *> Attrs, Stmt *SubStmt); |
4689 | StmtResult ActOnAttributedStmt(const ParsedAttributesWithRange &AttrList, |
4690 | Stmt *SubStmt); |
4691 | |
4692 | class ConditionResult; |
4693 | StmtResult ActOnIfStmt(SourceLocation IfLoc, bool IsConstexpr, |
4694 | SourceLocation LParenLoc, Stmt *InitStmt, |
4695 | ConditionResult Cond, SourceLocation RParenLoc, |
4696 | Stmt *ThenVal, SourceLocation ElseLoc, Stmt *ElseVal); |
4697 | StmtResult BuildIfStmt(SourceLocation IfLoc, bool IsConstexpr, |
4698 | SourceLocation LParenLoc, Stmt *InitStmt, |
4699 | ConditionResult Cond, SourceLocation RParenLoc, |
4700 | Stmt *ThenVal, SourceLocation ElseLoc, Stmt *ElseVal); |
4701 | StmtResult ActOnStartOfSwitchStmt(SourceLocation SwitchLoc, |
4702 | SourceLocation LParenLoc, Stmt *InitStmt, |
4703 | ConditionResult Cond, |
4704 | SourceLocation RParenLoc); |
4705 | StmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, |
4706 | Stmt *Switch, Stmt *Body); |
4707 | StmtResult ActOnWhileStmt(SourceLocation WhileLoc, SourceLocation LParenLoc, |
4708 | ConditionResult Cond, SourceLocation RParenLoc, |
4709 | Stmt *Body); |
4710 | StmtResult ActOnDoStmt(SourceLocation DoLoc, Stmt *Body, |
4711 | SourceLocation WhileLoc, SourceLocation CondLParen, |
4712 | Expr *Cond, SourceLocation CondRParen); |
4713 | |
4714 | StmtResult ActOnForStmt(SourceLocation ForLoc, |
4715 | SourceLocation LParenLoc, |
4716 | Stmt *First, |
4717 | ConditionResult Second, |
4718 | FullExprArg Third, |
4719 | SourceLocation RParenLoc, |
4720 | Stmt *Body); |
4721 | ExprResult CheckObjCForCollectionOperand(SourceLocation forLoc, |
4722 | Expr *collection); |
4723 | StmtResult ActOnObjCForCollectionStmt(SourceLocation ForColLoc, |
4724 | Stmt *First, Expr *collection, |
4725 | SourceLocation RParenLoc); |
4726 | StmtResult FinishObjCForCollectionStmt(Stmt *ForCollection, Stmt *Body); |
4727 | |
4728 | enum BuildForRangeKind { |
4729 | |
4730 | BFRK_Build, |
4731 | |
4732 | |
4733 | BFRK_Rebuild, |
4734 | |
4735 | |
4736 | BFRK_Check |
4737 | }; |
4738 | |
4739 | StmtResult ActOnCXXForRangeStmt(Scope *S, SourceLocation ForLoc, |
4740 | SourceLocation CoawaitLoc, |
4741 | Stmt *InitStmt, |
4742 | Stmt *LoopVar, |
4743 | SourceLocation ColonLoc, Expr *Collection, |
4744 | SourceLocation RParenLoc, |
4745 | BuildForRangeKind Kind); |
4746 | StmtResult BuildCXXForRangeStmt(SourceLocation ForLoc, |
4747 | SourceLocation CoawaitLoc, |
4748 | Stmt *InitStmt, |
4749 | SourceLocation ColonLoc, |
4750 | Stmt *RangeDecl, Stmt *Begin, Stmt *End, |
4751 | Expr *Cond, Expr *Inc, |
4752 | Stmt *LoopVarDecl, |
4753 | SourceLocation RParenLoc, |
4754 | BuildForRangeKind Kind); |
4755 | StmtResult FinishCXXForRangeStmt(Stmt *ForRange, Stmt *Body); |
4756 | |
4757 | StmtResult ActOnGotoStmt(SourceLocation GotoLoc, |
4758 | SourceLocation LabelLoc, |
4759 | LabelDecl *TheDecl); |
4760 | StmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, |
4761 | SourceLocation StarLoc, |
4762 | Expr *DestExp); |
4763 | StmtResult ActOnContinueStmt(SourceLocation ContinueLoc, Scope *CurScope); |
4764 | StmtResult ActOnBreakStmt(SourceLocation BreakLoc, Scope *CurScope); |
4765 | |
4766 | void ActOnCapturedRegionStart(SourceLocation Loc, Scope *CurScope, |
4767 | CapturedRegionKind Kind, unsigned NumParams); |
4768 | typedef std::pair<StringRef, QualType> CapturedParamNameType; |
4769 | void ActOnCapturedRegionStart(SourceLocation Loc, Scope *CurScope, |
4770 | CapturedRegionKind Kind, |
4771 | ArrayRef<CapturedParamNameType> Params, |
4772 | unsigned OpenMPCaptureLevel = 0); |
4773 | StmtResult ActOnCapturedRegionEnd(Stmt *S); |
4774 | void ActOnCapturedRegionError(); |
4775 | RecordDecl *CreateCapturedStmtRecordDecl(CapturedDecl *&CD, |
4776 | SourceLocation Loc, |
4777 | unsigned NumParams); |
4778 | |
4779 | struct NamedReturnInfo { |
4780 | const VarDecl *Candidate; |
4781 | |
4782 | enum Status : uint8_t { None, MoveEligible, MoveEligibleAndCopyElidable }; |
4783 | Status S; |
4784 | |
4785 | bool isMoveEligible() const { return S != None; }; |
4786 | bool isCopyElidable() const { return S == MoveEligibleAndCopyElidable; } |
4787 | }; |
4788 | enum class SimplerImplicitMoveMode { ForceOff, Normal, ForceOn }; |
4789 | NamedReturnInfo getNamedReturnInfo( |
4790 | Expr *&E, SimplerImplicitMoveMode Mode = SimplerImplicitMoveMode::Normal); |
4791 | NamedReturnInfo getNamedReturnInfo(const VarDecl *VD); |
4792 | const VarDecl *getCopyElisionCandidate(NamedReturnInfo &Info, |
4793 | QualType ReturnType); |
4794 | |
4795 | ExprResult |
4796 | PerformMoveOrCopyInitialization(const InitializedEntity &Entity, |
4797 | const NamedReturnInfo &NRInfo, Expr *Value, |
4798 | bool SupressSimplerImplicitMoves = false); |
4799 | |
4800 | StmtResult ActOnReturnStmt(SourceLocation ReturnLoc, Expr *RetValExp, |
4801 | Scope *CurScope); |
4802 | StmtResult BuildReturnStmt(SourceLocation ReturnLoc, Expr *RetValExp); |
4803 | StmtResult ActOnCapScopeReturnStmt(SourceLocation ReturnLoc, Expr *RetValExp, |
4804 | NamedReturnInfo &NRInfo, |
4805 | bool SupressSimplerImplicitMoves); |
4806 | |
4807 | StmtResult ActOnGCCAsmStmt(SourceLocation AsmLoc, bool IsSimple, |
4808 | bool IsVolatile, unsigned NumOutputs, |
4809 | unsigned NumInputs, IdentifierInfo **Names, |
4810 | MultiExprArg Constraints, MultiExprArg Exprs, |
4811 | Expr *AsmString, MultiExprArg Clobbers, |
4812 | unsigned NumLabels, |
4813 | SourceLocation RParenLoc); |
4814 | |
4815 | void FillInlineAsmIdentifierInfo(Expr *Res, |
4816 | llvm::InlineAsmIdentifierInfo &Info); |
4817 | ExprResult LookupInlineAsmIdentifier(CXXScopeSpec &SS, |
4818 | SourceLocation TemplateKWLoc, |
4819 | UnqualifiedId &Id, |
4820 | bool IsUnevaluatedContext); |
4821 | bool LookupInlineAsmField(StringRef Base, StringRef Member, |
4822 | unsigned &Offset, SourceLocation AsmLoc); |
4823 | ExprResult LookupInlineAsmVarDeclField(Expr *RefExpr, StringRef Member, |
4824 | SourceLocation AsmLoc); |
4825 | StmtResult ActOnMSAsmStmt(SourceLocation AsmLoc, SourceLocation LBraceLoc, |
4826 | ArrayRef<Token> AsmToks, |
4827 | StringRef AsmString, |
4828 | unsigned NumOutputs, unsigned NumInputs, |
4829 | ArrayRef<StringRef> Constraints, |
4830 | ArrayRef<StringRef> Clobbers, |
4831 | ArrayRef<Expr*> Exprs, |
4832 | SourceLocation EndLoc); |
4833 | LabelDecl *GetOrCreateMSAsmLabel(StringRef ExternalLabelName, |
4834 | SourceLocation Location, |
4835 | bool AlwaysCreate); |
4836 | |
4837 | VarDecl *BuildObjCExceptionDecl(TypeSourceInfo *TInfo, QualType ExceptionType, |
4838 | SourceLocation StartLoc, |
4839 | SourceLocation IdLoc, IdentifierInfo *Id, |
4840 | bool Invalid = false); |
4841 | |
4842 | Decl *ActOnObjCExceptionDecl(Scope *S, Declarator &D); |
4843 | |
4844 | StmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc, SourceLocation RParen, |
4845 | Decl *Parm, Stmt *Body); |
4846 | |
4847 | StmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc, Stmt *Body); |
4848 | |
4849 | StmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc, Stmt *Try, |
4850 | MultiStmtArg Catch, Stmt *Finally); |
4851 | |
4852 | StmtResult BuildObjCAtThrowStmt(SourceLocation AtLoc, Expr *Throw); |
4853 | StmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc, Expr *Throw, |
4854 | Scope *CurScope); |
4855 | ExprResult ActOnObjCAtSynchronizedOperand(SourceLocation atLoc, |
4856 | Expr *operand); |
4857 | StmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc, |
4858 | Expr *SynchExpr, |
4859 | Stmt *SynchBody); |
4860 | |
4861 | StmtResult ActOnObjCAutoreleasePoolStmt(SourceLocation AtLoc, Stmt *Body); |
4862 | |
4863 | VarDecl *BuildExceptionDeclaration(Scope *S, TypeSourceInfo *TInfo, |
4864 | SourceLocation StartLoc, |
4865 | SourceLocation IdLoc, |
4866 | IdentifierInfo *Id); |
4867 | |
4868 | Decl *ActOnExceptionDeclarator(Scope *S, Declarator &D); |
4869 | |
4870 | StmtResult ActOnCXXCatchBlock(SourceLocation CatchLoc, |
4871 | Decl *ExDecl, Stmt *HandlerBlock); |
4872 | StmtResult ActOnCXXTryBlock(SourceLocation TryLoc, Stmt *TryBlock, |
4873 | ArrayRef<Stmt *> Handlers); |
4874 | |
4875 | StmtResult ActOnSEHTryBlock(bool IsCXXTry, |
4876 | SourceLocation TryLoc, Stmt *TryBlock, |
4877 | Stmt *Handler); |
4878 | StmtResult ActOnSEHExceptBlock(SourceLocation Loc, |
4879 | Expr *FilterExpr, |
4880 | Stmt *Block); |
4881 | void ActOnStartSEHFinallyBlock(); |
4882 | void ActOnAbortSEHFinallyBlock(); |
4883 | StmtResult ActOnFinishSEHFinallyBlock(SourceLocation Loc, Stmt *Block); |
4884 | StmtResult ActOnSEHLeaveStmt(SourceLocation Loc, Scope *CurScope); |
4885 | |
4886 | void DiagnoseReturnInConstructorExceptionHandler(CXXTryStmt *TryBlock); |
4887 | |
4888 | bool ShouldWarnIfUnusedFileScopedDecl(const DeclaratorDecl *D) const; |
4889 | |
4890 | |
4891 | |
4892 | void MarkUnusedFileScopedDecl(const DeclaratorDecl *D); |
4893 | |
4894 | |
4895 | |
4896 | void DiagnoseUnusedExprResult(const Stmt *S); |
4897 | void DiagnoseUnusedNestedTypedefs(const RecordDecl *D); |
4898 | void DiagnoseUnusedDecl(const NamedDecl *ND); |
4899 | |
4900 | |
4901 | |
4902 | void DiagnoseUnusedButSetDecl(const VarDecl *VD); |
4903 | |
4904 | |
4905 | |
4906 | |
4907 | |
4908 | |
4909 | |
4910 | void DiagnoseEmptyStmtBody(SourceLocation StmtLoc, |
4911 | const Stmt *Body, |
4912 | unsigned DiagID); |
4913 | |
4914 | |
4915 | |
4916 | void DiagnoseEmptyLoopBody(const Stmt *S, |
4917 | const Stmt *PossibleBody); |
4918 | |
4919 | |
4920 | void DiagnoseSelfMove(const Expr *LHSExpr, const Expr *RHSExpr, |
4921 | SourceLocation OpLoc); |
4922 | |
4923 | |
4924 | |
4925 | void diagnoseNullableToNonnullConversion(QualType DstType, QualType SrcType, |
4926 | SourceLocation Loc); |
4927 | |
4928 | |
4929 | void diagnoseZeroToNullptrConversion(CastKind Kind, const Expr *E); |
4930 | |
4931 | ParsingDeclState PushParsingDeclaration(sema::DelayedDiagnosticPool &pool) { |
4932 | return DelayedDiagnostics.push(pool); |
4933 | } |
4934 | void PopParsingDeclaration(ParsingDeclState state, Decl *decl); |
4935 | |
4936 | typedef ProcessingContextState ParsingClassState; |
4937 | ParsingClassState PushParsingClass() { |
4938 | ParsingClassDepth++; |
4939 | return DelayedDiagnostics.pushUndelayed(); |
4940 | } |
4941 | void PopParsingClass(ParsingClassState state) { |
4942 | ParsingClassDepth--; |
4943 | DelayedDiagnostics.popUndelayed(state); |
4944 | } |
4945 | |
4946 | void redelayDiagnostics(sema::DelayedDiagnosticPool &pool); |
4947 | |
4948 | void DiagnoseAvailabilityOfDecl(NamedDecl *D, ArrayRef<SourceLocation> Locs, |
4949 | const ObjCInterfaceDecl *UnknownObjCClass, |
4950 | bool ObjCPropertyAccess, |
4951 | bool AvoidPartialAvailabilityChecks = false, |
4952 | ObjCInterfaceDecl *ClassReceiver = nullptr); |
4953 | |
4954 | bool makeUnavailableInSystemHeader(SourceLocation loc, |
4955 | UnavailableAttr::ImplicitReason reason); |
4956 | |
4957 | |
4958 | void DiagnoseUnguardedAvailabilityViolations(Decl *FD); |
4959 | |
4960 | void handleDelayedAvailabilityCheck(sema::DelayedDiagnostic &DD, Decl *Ctx); |
4961 | |
4962 | |
4963 | |
4964 | |
4965 | bool CanUseDecl(NamedDecl *D, bool TreatUnavailableAsInvalid); |
4966 | bool DiagnoseUseOfDecl(NamedDecl *D, ArrayRef<SourceLocation> Locs, |
4967 | const ObjCInterfaceDecl *UnknownObjCClass = nullptr, |
4968 | bool ObjCPropertyAccess = false, |
4969 | bool AvoidPartialAvailabilityChecks = false, |
4970 | ObjCInterfaceDecl *ClassReciever = nullptr); |
4971 | void NoteDeletedFunction(FunctionDecl *FD); |
4972 | void NoteDeletedInheritingConstructor(CXXConstructorDecl *CD); |
4973 | bool DiagnosePropertyAccessorMismatch(ObjCPropertyDecl *PD, |
4974 | ObjCMethodDecl *Getter, |
4975 | SourceLocation Loc); |
4976 | void DiagnoseSentinelCalls(NamedDecl *D, SourceLocation Loc, |
4977 | ArrayRef<Expr *> Args); |
4978 | |
4979 | void PushExpressionEvaluationContext( |
4980 | ExpressionEvaluationContext NewContext, Decl *LambdaContextDecl = nullptr, |
4981 | ExpressionEvaluationContextRecord::ExpressionKind Type = |
4982 | ExpressionEvaluationContextRecord::EK_Other); |
4983 | enum ReuseLambdaContextDecl_t { ReuseLambdaContextDecl }; |
4984 | void PushExpressionEvaluationContext( |
4985 | ExpressionEvaluationContext NewContext, ReuseLambdaContextDecl_t, |
4986 | ExpressionEvaluationContextRecord::ExpressionKind Type = |
4987 | ExpressionEvaluationContextRecord::EK_Other); |
4988 | void PopExpressionEvaluationContext(); |
4989 | |
4990 | void DiscardCleanupsInEvaluationContext(); |
4991 | |
4992 | ExprResult TransformToPotentiallyEvaluated(Expr *E); |
4993 | ExprResult HandleExprEvaluationContextForTypeof(Expr *E); |
4994 | |
4995 | ExprResult CheckUnevaluatedOperand(Expr *E); |
4996 | void CheckUnusedVolatileAssignment(Expr *E); |
4997 | |
4998 | ExprResult ActOnConstantExpression(ExprResult Res); |
4999 | |
5000 | |
5001 | |
5002 | |
5003 | |
5004 | |
5005 | |
5006 | |
5007 | |
5008 | |
5009 | |
5010 | |
5011 | |
5012 | void MarkAnyDeclReferenced(SourceLocation Loc, Decl *D, bool MightBeOdrUse); |
5013 | void MarkFunctionReferenced(SourceLocation Loc, FunctionDecl *Func, |
5014 | bool MightBeOdrUse = true); |
5015 | void MarkVariableReferenced(SourceLocation Loc, VarDecl *Var); |
5016 | void MarkDeclRefReferenced(DeclRefExpr *E, const Expr *Base = nullptr); |
5017 | void MarkMemberReferenced(MemberExpr *E); |
5018 | void MarkFunctionParmPackReferenced(FunctionParmPackExpr *E); |
5019 | void MarkCaptureUsedInEnclosingContext(VarDecl *Capture, SourceLocation Loc, |
5020 | unsigned CapturingScopeIndex); |
5021 | |
5022 | ExprResult CheckLValueToRValueConversionOperand(Expr *E); |
5023 | void CleanupVarDeclMarking(); |
5024 | |
5025 | enum TryCaptureKind { |
5026 | TryCapture_Implicit, TryCapture_ExplicitByVal, TryCapture_ExplicitByRef |
5027 | }; |
5028 | |
5029 | |
5030 | |
5031 | |
5032 | |
5033 | |
5034 | |
5035 | |
5036 | |
5037 | |
5038 | |
5039 | |
5040 | |
5041 | |
5042 | |
5043 | |
5044 | |
5045 | |
5046 | |
5047 | |
5048 | |
5049 | |
5050 | |
5051 | |
5052 | |
5053 | |
5054 | |
5055 | |
5056 | |
5057 | |
5058 | |
5059 | |
5060 | |
5061 | |
5062 | bool tryCaptureVariable(VarDecl *Var, SourceLocation Loc, TryCaptureKind Kind, |
5063 | SourceLocation EllipsisLoc, bool BuildAndDiagnose, |
5064 | QualType &CaptureType, |
5065 | QualType &DeclRefType, |
5066 | const unsigned *const FunctionScopeIndexToStopAt); |
5067 | |
5068 | |
5069 | bool tryCaptureVariable(VarDecl *Var, SourceLocation Loc, |
5070 | TryCaptureKind Kind = TryCapture_Implicit, |
5071 | SourceLocation EllipsisLoc = SourceLocation()); |
5072 | |
5073 | |
5074 | bool NeedToCaptureVariable(VarDecl *Var, SourceLocation Loc); |
5075 | |
5076 | |
5077 | |
5078 | QualType getCapturedDeclRefType(VarDecl *Var, SourceLocation Loc); |
5079 | |
5080 | |
5081 | |
5082 | |
5083 | void MarkDeclarationsReferencedInType(SourceLocation Loc, QualType T); |
5084 | void MarkDeclarationsReferencedInExpr(Expr *E, |
5085 | bool SkipLocalVariables = false); |
5086 | |
5087 | |
5088 | |
5089 | |
5090 | bool tryToRecoverWithCall(ExprResult &E, const PartialDiagnostic &PD, |
5091 | bool ForceComplain = false, |
5092 | bool (*IsPlausibleResult)(QualType) = nullptr); |
5093 | |
5094 | |
5095 | bool tryExprAsCall(Expr &E, QualType &ZeroArgCallReturnTy, |
5096 | UnresolvedSetImpl &NonTemplateOverloads); |
5097 | |
5098 | |
5099 | |
5100 | ExprResult tryConvertExprToType(Expr *E, QualType Ty); |
5101 | |
5102 | |
5103 | |
5104 | |
5105 | |
5106 | |
5107 | |
5108 | |
5109 | bool DiagRuntimeBehavior(SourceLocation Loc, const Stmt *Statement, |
5110 | const PartialDiagnostic &PD); |
5111 | |
5112 | |
5113 | bool DiagRuntimeBehavior(SourceLocation Loc, ArrayRef<const Stmt*> Stmts, |
5114 | const PartialDiagnostic &PD); |
5115 | |
5116 | |
5117 | SourceRange getExprRange(Expr *E) const; |
5118 | |
5119 | ExprResult ActOnIdExpression( |
5120 | Scope *S, CXXScopeSpec &SS, SourceLocation TemplateKWLoc, |
5121 | UnqualifiedId &Id, bool HasTrailingLParen, bool IsAddressOfOperand, |
5122 | CorrectionCandidateCallback *CCC = nullptr, |
5123 | bool IsInlineAsmIdentifier = false, Token *KeywordReplacement = nullptr); |
5124 | |
5125 | void DecomposeUnqualifiedId(const UnqualifiedId &Id, |
5126 | TemplateArgumentListInfo &Buffer, |
5127 | DeclarationNameInfo &NameInfo, |
5128 | const TemplateArgumentListInfo *&TemplateArgs); |
5129 | |
5130 | bool DiagnoseDependentMemberLookup(LookupResult &R); |
5131 | |
5132 | bool |
5133 | DiagnoseEmptyLookup(Scope *S, CXXScopeSpec &SS, LookupResult &R, |
5134 | CorrectionCandidateCallback &CCC, |
5135 | TemplateArgumentListInfo *ExplicitTemplateArgs = nullptr, |
5136 | ArrayRef<Expr *> Args = None, TypoExpr **Out = nullptr); |
5137 | |
5138 | DeclResult LookupIvarInObjCMethod(LookupResult &Lookup, Scope *S, |
5139 | IdentifierInfo *II); |
5140 | ExprResult BuildIvarRefExpr(Scope *S, SourceLocation Loc, ObjCIvarDecl *IV); |
5141 | |
5142 | ExprResult LookupInObjCMethod(LookupResult &LookUp, Scope *S, |
5143 | IdentifierInfo *II, |
5144 | bool AllowBuiltinCreation=false); |
5145 | |
5146 | ExprResult ActOnDependentIdExpression(const CXXScopeSpec &SS, |
5147 | SourceLocation TemplateKWLoc, |
5148 | const DeclarationNameInfo &NameInfo, |
5149 | bool isAddressOfOperand, |
5150 | const TemplateArgumentListInfo *TemplateArgs); |
5151 | |
5152 | |
5153 | |
5154 | NonOdrUseReason getNonOdrUseReasonInCurrentContext(ValueDecl *D); |
5155 | |
5156 | DeclRefExpr *BuildDeclRefExpr(ValueDecl *D, QualType Ty, ExprValueKind VK, |
5157 | SourceLocation Loc, |
5158 | const CXXScopeSpec *SS = nullptr); |
5159 | DeclRefExpr * |
5160 | BuildDeclRefExpr(ValueDecl *D, QualType Ty, ExprValueKind VK, |
5161 | const DeclarationNameInfo &NameInfo, |
5162 | const CXXScopeSpec *SS = nullptr, |
5163 | NamedDecl *FoundD = nullptr, |
5164 | SourceLocation TemplateKWLoc = SourceLocation(), |
5165 | const TemplateArgumentListInfo *TemplateArgs = nullptr); |
5166 | DeclRefExpr * |
5167 | BuildDeclRefExpr(ValueDecl *D, QualType Ty, ExprValueKind VK, |
5168 | const DeclarationNameInfo &NameInfo, |
5169 | NestedNameSpecifierLoc NNS, |
5170 | NamedDecl *FoundD = nullptr, |
5171 | SourceLocation TemplateKWLoc = SourceLocation(), |
5172 | const TemplateArgumentListInfo *TemplateArgs = nullptr); |
5173 | |
5174 | ExprResult |
5175 | BuildAnonymousStructUnionMemberReference( |
5176 | const CXXScopeSpec &SS, |
5177 | SourceLocation nameLoc, |
5178 | IndirectFieldDecl *indirectField, |
5179 | DeclAccessPair FoundDecl = DeclAccessPair::make(nullptr, AS_none), |
5180 | Expr *baseObjectExpr = nullptr, |
5181 | SourceLocation opLoc = SourceLocation()); |
5182 | |
5183 | ExprResult BuildPossibleImplicitMemberExpr( |
5184 | const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, LookupResult &R, |
5185 | const TemplateArgumentListInfo *TemplateArgs, const Scope *S, |
5186 | UnresolvedLookupExpr *AsULE = nullptr); |
5187 | ExprResult BuildImplicitMemberExpr(const CXXScopeSpec &SS, |
5188 | SourceLocation TemplateKWLoc, |
5189 | LookupResult &R, |
5190 | const TemplateArgumentListInfo *TemplateArgs, |
5191 | bool IsDefiniteInstance, |
5192 | const Scope *S); |
5193 | bool UseArgumentDependentLookup(const CXXScopeSpec &SS, |
5194 | const LookupResult &R, |
5195 | bool HasTrailingLParen); |
5196 | |
5197 | ExprResult |
5198 | BuildQualifiedDeclarationNameExpr(CXXScopeSpec &SS, |
5199 | const DeclarationNameInfo &NameInfo, |
5200 | bool IsAddressOfOperand, const Scope *S, |
5201 | TypeSourceInfo **RecoveryTSI = nullptr); |
5202 | |
5203 | ExprResult BuildDependentDeclRefExpr(const CXXScopeSpec &SS, |
5204 | SourceLocation TemplateKWLoc, |
5205 | const DeclarationNameInfo &NameInfo, |
5206 | const TemplateArgumentListInfo *TemplateArgs); |
5207 | |
5208 | ExprResult BuildDeclarationNameExpr(const CXXScopeSpec &SS, |
5209 | LookupResult &R, |
5210 | bool NeedsADL, |
5211 | bool AcceptInvalidDecl = false); |
5212 | ExprResult BuildDeclarationNameExpr( |
5213 | const CXXScopeSpec &SS, const DeclarationNameInfo &NameInfo, NamedDecl *D, |
5214 | NamedDecl *FoundD = nullptr, |
5215 | const TemplateArgumentListInfo *TemplateArgs = nullptr, |
5216 | bool AcceptInvalidDecl = false); |
5217 | |
5218 | ExprResult BuildLiteralOperatorCall(LookupResult &R, |
5219 | DeclarationNameInfo &SuffixInfo, |
5220 | ArrayRef<Expr *> Args, |
5221 | SourceLocation LitEndLoc, |
5222 | TemplateArgumentListInfo *ExplicitTemplateArgs = nullptr); |
5223 | |
5224 | ExprResult BuildPredefinedExpr(SourceLocation Loc, |
5225 | PredefinedExpr::IdentKind IK); |
5226 | ExprResult ActOnPredefinedExpr(SourceLocation Loc, tok::TokenKind Kind); |
5227 | ExprResult ActOnIntegerConstant(SourceLocation Loc, uint64_t Val); |
5228 | |
5229 | ExprResult BuildSYCLUniqueStableNameExpr(SourceLocation OpLoc, |
5230 | SourceLocation LParen, |
5231 | SourceLocation RParen, |
5232 | TypeSourceInfo *TSI); |
5233 | ExprResult ActOnSYCLUniqueStableNameExpr(SourceLocation OpLoc, |
5234 | SourceLocation LParen, |
5235 | SourceLocation RParen, |
5236 | ParsedType ParsedTy); |
5237 | |
5238 | bool CheckLoopHintExpr(Expr *E, SourceLocation Loc); |
5239 | |
5240 | ExprResult ActOnNumericConstant(const Token &Tok, Scope *UDLScope = nullptr); |
5241 | ExprResult ActOnCharacterConstant(const Token &Tok, |
5242 | Scope *UDLScope = nullptr); |
5243 | ExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, Expr *E); |
5244 | ExprResult ActOnParenListExpr(SourceLocation L, |
5245 | SourceLocation R, |
5246 | MultiExprArg Val); |
5247 | |
5248 | |
5249 | |
5250 | ExprResult ActOnStringLiteral(ArrayRef<Token> StringToks, |
5251 | Scope *UDLScope = nullptr); |
5252 | |
5253 | ExprResult ActOnGenericSelectionExpr(SourceLocation KeyLoc, |
5254 | SourceLocation DefaultLoc, |
5255 | SourceLocation RParenLoc, |
5256 | Expr *ControllingExpr, |
5257 | ArrayRef<ParsedType> ArgTypes, |
5258 | ArrayRef<Expr *> ArgExprs); |
5259 | ExprResult CreateGenericSelectionExpr(SourceLocation KeyLoc, |
5260 | SourceLocation DefaultLoc, |
5261 | SourceLocation RParenLoc, |
5262 | Expr *ControllingExpr, |
5263 | ArrayRef<TypeSourceInfo *> Types, |
5264 | ArrayRef<Expr *> Exprs); |
5265 | |
5266 | |
5267 | ExprResult CreateBuiltinUnaryOp(SourceLocation OpLoc, UnaryOperatorKind Opc, |
5268 | Expr *InputExpr); |
5269 | ExprResult BuildUnaryOp(Scope *S, SourceLocation OpLoc, |
5270 | UnaryOperatorKind Opc, Expr *Input); |
5271 | ExprResult ActOnUnaryOp(Scope *S, SourceLocation OpLoc, |
5272 | tok::TokenKind Op, Expr *Input); |
5273 | |
5274 | bool isQualifiedMemberAccess(Expr *E); |
5275 | QualType CheckAddressOfOperand(ExprResult &Operand, SourceLocation OpLoc); |
5276 | |
5277 | ExprResult CreateUnaryExprOrTypeTraitExpr(TypeSourceInfo *TInfo, |
5278 | SourceLocation OpLoc, |
5279 | UnaryExprOrTypeTrait ExprKind, |
5280 | SourceRange R); |
5281 | ExprResult CreateUnaryExprOrTypeTraitExpr(Expr *E, SourceLocation OpLoc, |
5282 | UnaryExprOrTypeTrait ExprKind); |
5283 | ExprResult |
5284 | ActOnUnaryExprOrTypeTraitExpr(SourceLocation OpLoc, |
5285 | UnaryExprOrTypeTrait ExprKind, |
5286 | bool IsType, void *TyOrEx, |
5287 | SourceRange ArgRange); |
5288 | |
5289 | ExprResult CheckPlaceholderExpr(Expr *E); |
5290 | bool CheckVecStepExpr(Expr *E); |
5291 | |
5292 | bool CheckUnaryExprOrTypeTraitOperand(Expr *E, UnaryExprOrTypeTrait ExprKind); |
5293 | bool CheckUnaryExprOrTypeTraitOperand(QualType ExprType, SourceLocation OpLoc, |
5294 | SourceRange ExprRange, |
5295 | UnaryExprOrTypeTrait ExprKind); |
5296 | ExprResult ActOnSizeofParameterPackExpr(Scope *S, |
5297 | SourceLocation OpLoc, |
5298 | IdentifierInfo &Name, |
5299 | SourceLocation NameLoc, |
5300 | SourceLocation RParenLoc); |
5301 | ExprResult ActOnPostfixUnaryOp(Scope *S, SourceLocation OpLoc, |
5302 | tok::TokenKind Kind, Expr *Input); |
5303 | |
5304 | ExprResult ActOnArraySubscriptExpr(Scope *S, Expr *Base, SourceLocation LLoc, |
5305 | Expr *Idx, SourceLocation RLoc); |
5306 | ExprResult CreateBuiltinArraySubscriptExpr(Expr *Base, SourceLocation LLoc, |
5307 | Expr *Idx, SourceLocation RLoc); |
5308 | |
5309 | ExprResult CreateBuiltinMatrixSubscriptExpr(Expr *Base, Expr *RowIdx, |
5310 | Expr *ColumnIdx, |
5311 | SourceLocation RBLoc); |
5312 | |
5313 | ExprResult ActOnOMPArraySectionExpr(Expr *Base, SourceLocation LBLoc, |
5314 | Expr *LowerBound, |
5315 | SourceLocation ColonLocFirst, |
5316 | SourceLocation ColonLocSecond, |
5317 | Expr *Length, Expr *Stride, |
5318 | SourceLocation RBLoc); |
5319 | ExprResult ActOnOMPArrayShapingExpr(Expr *Base, SourceLocation LParenLoc, |
5320 | SourceLocation RParenLoc, |
5321 | ArrayRef<Expr *> Dims, |
5322 | ArrayRef<SourceRange> Brackets); |
5323 | |
5324 | |
5325 | struct OMPIteratorData { |
5326 | IdentifierInfo *DeclIdent = nullptr; |
5327 | SourceLocation DeclIdentLoc; |
5328 | ParsedType Type; |
5329 | OMPIteratorExpr::IteratorRange Range; |
5330 | SourceLocation AssignLoc; |
5331 | SourceLocation ColonLoc; |
5332 | SourceLocation SecColonLoc; |
5333 | }; |
5334 | |
5335 | ExprResult ActOnOMPIteratorExpr(Scope *S, SourceLocation IteratorKwLoc, |
5336 | SourceLocation LLoc, SourceLocation RLoc, |
5337 | ArrayRef<OMPIteratorData> Data); |
5338 | |
5339 | |
5340 | |
5341 | |
5342 | |
5343 | |
5344 | struct ActOnMemberAccessExtraArgs { |
5345 | Scope *S; |
5346 | UnqualifiedId &Id; |
5347 | Decl *ObjCImpDecl; |
5348 | }; |
5349 | |
5350 | ExprResult BuildMemberReferenceExpr( |
5351 | Expr *Base, QualType BaseType, SourceLocation OpLoc, bool IsArrow, |
5352 | CXXScopeSpec &SS, SourceLocation TemplateKWLoc, |
5353 | NamedDecl *FirstQualifierInScope, const DeclarationNameInfo &NameInfo, |
5354 | const TemplateArgumentListInfo *TemplateArgs, |
5355 | const Scope *S, |
5356 | ActOnMemberAccessExtraArgs *ExtraArgs = nullptr); |
5357 | |
5358 | ExprResult |
5359 | BuildMemberReferenceExpr(Expr *Base, QualType BaseType, SourceLocation OpLoc, |
5360 | bool IsArrow, const CXXScopeSpec &SS, |
5361 | SourceLocation TemplateKWLoc, |
5362 | NamedDecl *FirstQualifierInScope, LookupResult &R, |
5363 | const TemplateArgumentListInfo *TemplateArgs, |
5364 | const Scope *S, |
5365 | bool SuppressQualifierCheck = false, |
5366 | ActOnMemberAccessExtraArgs *ExtraArgs = nullptr); |
5367 | |
5368 | ExprResult BuildFieldReferenceExpr(Expr *BaseExpr, bool IsArrow, |
5369 | SourceLocation OpLoc, |
5370 | const CXXScopeSpec &SS, FieldDecl *Field, |
5371 | DeclAccessPair FoundDecl, |
5372 | const DeclarationNameInfo &MemberNameInfo); |
5373 | |
5374 | ExprResult PerformMemberExprBaseConversion(Expr *Base, bool IsArrow); |
5375 | |
5376 | bool CheckQualifiedMemberReference(Expr *BaseExpr, QualType BaseType, |
5377 | const CXXScopeSpec &SS, |
5378 | const LookupResult &R); |
5379 | |
5380 | ExprResult ActOnDependentMemberExpr(Expr *Base, QualType BaseType, |
5381 | bool IsArrow, SourceLocation OpLoc, |
5382 | const CXXScopeSpec &SS, |
5383 | SourceLocation TemplateKWLoc, |
5384 | NamedDecl *FirstQualifierInScope, |
5385 | const DeclarationNameInfo &NameInfo, |
5386 | const TemplateArgumentListInfo *TemplateArgs); |
5387 | |
5388 | ExprResult ActOnMemberAccessExpr(Scope *S, Expr *Base, |
5389 | SourceLocation OpLoc, |
5390 | tok::TokenKind OpKind, |
5391 | CXXScopeSpec &SS, |
5392 | SourceLocation TemplateKWLoc, |
5393 | UnqualifiedId &Member, |
5394 | Decl *ObjCImpDecl); |
5395 | |
5396 | MemberExpr * |
5397 | BuildMemberExpr(Expr *Base, bool IsArrow, SourceLocation OpLoc, |
5398 | const CXXScopeSpec *SS, SourceLocation TemplateKWLoc, |
5399 | ValueDecl *Member, DeclAccessPair FoundDecl, |
5400 | bool HadMultipleCandidates, |
5401 | const DeclarationNameInfo &MemberNameInfo, QualType Ty, |
5402 | ExprValueKind VK, ExprObjectKind OK, |
5403 | const TemplateArgumentListInfo *TemplateArgs = nullptr); |
5404 | MemberExpr * |
5405 | BuildMemberExpr(Expr *Base, bool IsArrow, SourceLocation OpLoc, |
5406 | NestedNameSpecifierLoc NNS, SourceLocation TemplateKWLoc, |
5407 | ValueDecl *Member, DeclAccessPair FoundDecl, |
5408 | bool HadMultipleCandidates, |
5409 | const DeclarationNameInfo &MemberNameInfo, QualType Ty, |
5410 | ExprValueKind VK, ExprObjectKind OK, |
5411 | const TemplateArgumentListInfo *TemplateArgs = nullptr); |
5412 | |
5413 | void ActOnDefaultCtorInitializers(Decl *CDtorDecl); |
5414 | bool ConvertArgumentsForCall(CallExpr *Call, Expr *Fn, |
5415 | FunctionDecl *FDecl, |
5416 | const FunctionProtoType *Proto, |
5417 | ArrayRef<Expr *> Args, |
5418 | SourceLocation RParenLoc, |
5419 | bool ExecConfig = false); |
5420 | void CheckStaticArrayArgument(SourceLocation CallLoc, |
5421 | ParmVarDecl *Param, |
5422 | const Expr *ArgExpr); |
5423 | |
5424 | |
5425 | |
5426 | |
5427 | ExprResult ActOnCallExpr(Scope *S, Expr *Fn, SourceLocation LParenLoc, |
5428 | MultiExprArg ArgExprs, SourceLocation RParenLoc, |
5429 | Expr *ExecConfig = nullptr); |
5430 | ExprResult BuildCallExpr(Scope *S, Expr *Fn, SourceLocation LParenLoc, |
5431 | MultiExprArg ArgExprs, SourceLocation RParenLoc, |
5432 | Expr *ExecConfig = nullptr, |
5433 | bool IsExecConfig = false, |
5434 | bool AllowRecovery = false); |
5435 | Expr *BuildBuiltinCallExpr(SourceLocation Loc, Builtin::ID Id, |
5436 | MultiExprArg CallArgs); |
5437 | enum class AtomicArgumentOrder { API, AST }; |
5438 | ExprResult |
5439 | BuildAtomicExpr(SourceRange CallRange, SourceRange ExprRange, |
5440 | SourceLocation RParenLoc, MultiExprArg Args, |
5441 | AtomicExpr::AtomicOp Op, |
5442 | AtomicArgumentOrder ArgOrder = AtomicArgumentOrder::API); |
5443 | ExprResult |
5444 | BuildResolvedCallExpr(Expr *Fn, NamedDecl *NDecl, SourceLocation LParenLoc, |
5445 | ArrayRef<Expr *> Arg, SourceLocation RParenLoc, |
5446 | Expr *Config = nullptr, bool IsExecConfig = false, |
5447 | ADLCallKind UsesADL = ADLCallKind::NotADL); |
5448 | |
5449 | ExprResult ActOnCUDAExecConfigExpr(Scope *S, SourceLocation LLLLoc, |
5450 | MultiExprArg ExecConfig, |
5451 | SourceLocation GGGLoc); |
5452 | |
5453 | ExprResult ActOnCastExpr(Scope *S, SourceLocation LParenLoc, |
5454 | Declarator &D, ParsedType &Ty, |
5455 | SourceLocation RParenLoc, Expr *CastExpr); |
5456 | ExprResult BuildCStyleCastExpr(SourceLocation LParenLoc, |
5457 | TypeSourceInfo *Ty, |
5458 | SourceLocation RParenLoc, |
5459 | Expr *Op); |
5460 | CastKind PrepareScalarCast(ExprResult &src, QualType destType); |
5461 | |
5462 | |
5463 | ExprResult BuildVectorLiteral(SourceLocation LParenLoc, |
5464 | SourceLocation RParenLoc, Expr *E, |
5465 | TypeSourceInfo *TInfo); |
5466 | |
5467 | ExprResult MaybeConvertParenListExprToParenExpr(Scope *S, Expr *ME); |
5468 | |
5469 | ExprResult ActOnCompoundLiteral(SourceLocation LParenLoc, |
5470 | ParsedType Ty, |
5471 | SourceLocation RParenLoc, |
5472 | Expr *InitExpr); |
5473 | |
5474 | ExprResult BuildCompoundLiteralExpr(SourceLocation LParenLoc, |
5475 | TypeSourceInfo *TInfo, |
5476 | SourceLocation RParenLoc, |
5477 | Expr *LiteralExpr); |
5478 | |
5479 | ExprResult ActOnInitList(SourceLocation LBraceLoc, |
5480 | MultiExprArg InitArgList, |
5481 | SourceLocation RBraceLoc); |
5482 | |
5483 | ExprResult BuildInitList(SourceLocation LBraceLoc, |
5484 | MultiExprArg InitArgList, |
5485 | SourceLocation RBraceLoc); |
5486 | |
5487 | ExprResult ActOnDesignatedInitializer(Designation &Desig, |
5488 | SourceLocation EqualOrColonLoc, |
5489 | bool GNUSyntax, |
5490 | ExprResult Init); |
5491 | |
5492 | private: |
5493 | static BinaryOperatorKind ConvertTokenKindToBinaryOpcode(tok::TokenKind Kind); |
5494 | |
5495 | public: |
5496 | ExprResult ActOnBinOp(Scope *S, SourceLocation TokLoc, |
5497 | tok::TokenKind Kind, Expr *LHSExpr, Expr *RHSExpr); |
5498 | ExprResult BuildBinOp(Scope *S, SourceLocation OpLoc, |
5499 | BinaryOperatorKind Opc, Expr *LHSExpr, Expr *RHSExpr); |
5500 | ExprResult CreateBuiltinBinOp(SourceLocation OpLoc, BinaryOperatorKind Opc, |
5501 | Expr *LHSExpr, Expr *RHSExpr); |
5502 | void LookupBinOp(Scope *S, SourceLocation OpLoc, BinaryOperatorKind Opc, |
5503 | UnresolvedSetImpl &Functions); |
5504 | |
5505 | void DiagnoseCommaOperator(const Expr *LHS, SourceLocation Loc); |
5506 | |
5507 | |
5508 | |
5509 | ExprResult ActOnConditionalOp(SourceLocation QuestionLoc, |
5510 | SourceLocation ColonLoc, |
5511 | Expr *CondExpr, Expr *LHSExpr, Expr *RHSExpr); |
5512 | |
5513 | |
5514 | ExprResult ActOnAddrLabel(SourceLocation OpLoc, SourceLocation LabLoc, |
5515 | LabelDecl *TheDecl); |
5516 | |
5517 | void ActOnStartStmtExpr(); |
5518 | ExprResult ActOnStmtExpr(Scope *S, SourceLocation LPLoc, Stmt *SubStmt, |
5519 | SourceLocation RPLoc); |
5520 | ExprResult BuildStmtExpr(SourceLocation LPLoc, Stmt *SubStmt, |
5521 | SourceLocation RPLoc, unsigned TemplateDepth); |
5522 | |
5523 | ExprResult ActOnStmtExprResult(ExprResult E); |
5524 | void ActOnStmtExprError(); |
5525 | |
5526 | |
5527 | struct OffsetOfComponent { |
5528 | SourceLocation LocStart, LocEnd; |
5529 | bool isBrackets; |
5530 | union { |
5531 | IdentifierInfo *IdentInfo; |
5532 | Expr *E; |
5533 | } U; |
5534 | }; |
5535 | |
5536 | |
5537 | ExprResult BuildBuiltinOffsetOf(SourceLocation BuiltinLoc, |
5538 | TypeSourceInfo *TInfo, |
5539 | ArrayRef<OffsetOfComponent> Components, |
5540 | SourceLocation RParenLoc); |
5541 | ExprResult ActOnBuiltinOffsetOf(Scope *S, |
5542 | SourceLocation BuiltinLoc, |
5543 | SourceLocation TypeLoc, |
5544 | ParsedType ParsedArgTy, |
5545 | ArrayRef<OffsetOfComponent> Components, |
5546 | SourceLocation RParenLoc); |
5547 | |
5548 | |
5549 | ExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, |
5550 | Expr *CondExpr, Expr *LHSExpr, |
5551 | Expr *RHSExpr, SourceLocation RPLoc); |
5552 | |
5553 | |
5554 | ExprResult ActOnVAArg(SourceLocation BuiltinLoc, Expr *E, ParsedType Ty, |
5555 | SourceLocation RPLoc); |
5556 | ExprResult BuildVAArgExpr(SourceLocation BuiltinLoc, Expr *E, |
5557 | TypeSourceInfo *TInfo, SourceLocation RPLoc); |
5558 | |
5559 | |
5560 | |
5561 | ExprResult ActOnSourceLocExpr(SourceLocExpr::IdentKind Kind, |
5562 | SourceLocation BuiltinLoc, |
5563 | SourceLocation RPLoc); |
5564 | |
5565 | |
5566 | ExprResult BuildSourceLocExpr(SourceLocExpr::IdentKind Kind, |
5567 | SourceLocation BuiltinLoc, SourceLocation RPLoc, |
5568 | DeclContext *ParentContext); |
5569 | |
5570 | |
5571 | ExprResult ActOnGNUNullExpr(SourceLocation TokenLoc); |
5572 | |
5573 | bool CheckCaseExpression(Expr *E); |
5574 | |
5575 | |
5576 | enum IfExistsResult { |
5577 | |
5578 | IER_Exists, |
5579 | |
5580 | |
5581 | IER_DoesNotExist, |
5582 | |
5583 | |
5584 | |
5585 | IER_Dependent, |
5586 | |
5587 | |
5588 | IER_Error |
5589 | }; |
5590 | |
5591 | IfExistsResult |
5592 | CheckMicrosoftIfExistsSymbol(Scope *S, CXXScopeSpec &SS, |
5593 | const DeclarationNameInfo &TargetNameInfo); |
5594 | |
5595 | IfExistsResult |
5596 | CheckMicrosoftIfExistsSymbol(Scope *S, SourceLocation KeywordLoc, |
5597 | bool IsIfExists, CXXScopeSpec &SS, |
5598 | UnqualifiedId &Name); |
5599 | |
5600 | StmtResult BuildMSDependentExistsStmt(SourceLocation KeywordLoc, |
5601 | bool IsIfExists, |
5602 | NestedNameSpecifierLoc QualifierLoc, |
5603 | DeclarationNameInfo NameInfo, |
5604 | Stmt *Nested); |
5605 | StmtResult ActOnMSDependentExistsStmt(SourceLocation KeywordLoc, |
5606 | bool IsIfExists, |
5607 | CXXScopeSpec &SS, UnqualifiedId &Name, |
5608 | Stmt *Nested); |
5609 | |
5610 | |
5611 | |
5612 | |
5613 | |
5614 | void ActOnBlockStart(SourceLocation CaretLoc, Scope *CurScope); |
5615 | |
5616 | |
5617 | |
5618 | void ActOnBlockArguments(SourceLocation CaretLoc, Declarator &ParamInfo, |
5619 | Scope *CurScope); |
5620 | |
5621 | |
5622 | |
5623 | void ActOnBlockError(SourceLocation CaretLoc, Scope *CurScope); |
5624 | |
5625 | |
5626 | |
5627 | ExprResult ActOnBlockStmtExpr(SourceLocation CaretLoc, Stmt *Body, |
5628 | Scope *CurScope); |
5629 | |
5630 | |
5631 | |
5632 | |
5633 | ExprResult ActOnConvertVectorExpr(Expr *E, ParsedType ParsedDestTy, |
5634 | SourceLocation BuiltinLoc, |
5635 | SourceLocation RParenLoc); |
5636 | |
5637 | |
5638 | |
5639 | |
5640 | ExprResult ActOnAsTypeExpr(Expr *E, ParsedType ParsedDestTy, |
5641 | SourceLocation BuiltinLoc, |
5642 | SourceLocation RParenLoc); |
5643 | ExprResult BuildAsTypeExpr(Expr *E, QualType DestTy, |
5644 | SourceLocation BuiltinLoc, |
5645 | SourceLocation RParenLoc); |
5646 | |
5647 | |
5648 | |
5649 | |
5650 | Decl *ActOnStartNamespaceDef(Scope *S, SourceLocation InlineLoc, |
5651 | SourceLocation NamespaceLoc, |
5652 | SourceLocation IdentLoc, IdentifierInfo *Ident, |
5653 | SourceLocation LBrace, |
5654 | const ParsedAttributesView &AttrList, |
5655 | UsingDirectiveDecl *&UsingDecl); |
5656 | void ActOnFinishNamespaceDef(Decl *Dcl, SourceLocation RBrace); |
5657 | |
5658 | NamespaceDecl *getStdNamespace() const; |
5659 | NamespaceDecl *getOrCreateStdNamespace(); |
5660 | |
5661 | NamespaceDecl *lookupStdExperimentalNamespace(); |
5662 | |
5663 | CXXRecordDecl *getStdBadAlloc() const; |
5664 | EnumDecl *getStdAlignValT() const; |
5665 | |
5666 | private: |
5667 | |
5668 | |
5669 | |
5670 | llvm::SmallBitVector FullyCheckedComparisonCategories; |
5671 | |
5672 | ValueDecl *tryLookupCtorInitMemberDecl(CXXRecordDecl *ClassDecl, |
5673 | CXXScopeSpec &SS, |
5674 | ParsedType TemplateTypeTy, |
5675 | IdentifierInfo *MemberOrBase); |
5676 | |
5677 | public: |
5678 | enum class ComparisonCategoryUsage { |
5679 | |
5680 | |
5681 | OperatorInExpression, |
5682 | |
5683 | |
5684 | |
5685 | DefaultedOperator, |
5686 | }; |
5687 | |
5688 | |
5689 | |
5690 | |
5691 | |
5692 | |
5693 | |
5694 | QualType CheckComparisonCategoryType(ComparisonCategoryType Kind, |
5695 | SourceLocation Loc, |
5696 | ComparisonCategoryUsage Usage); |
5697 | |
5698 | |
5699 | |
5700 | bool isStdInitializerList(QualType Ty, QualType *Element); |
5701 | |
5702 | |
5703 | |
5704 | |
5705 | |
5706 | QualType BuildStdInitializerList(QualType Element, SourceLocation Loc); |
5707 | |
5708 | |
5709 | |
5710 | bool isInitListConstructor(const FunctionDecl *Ctor); |
5711 | |
5712 | Decl *ActOnUsingDirective(Scope *CurScope, SourceLocation UsingLoc, |
5713 | SourceLocation NamespcLoc, CXXScopeSpec &SS, |
5714 | SourceLocation IdentLoc, |
5715 | IdentifierInfo *NamespcName, |
5716 | const ParsedAttributesView &AttrList); |
5717 | |
5718 | void PushUsingDirective(Scope *S, UsingDirectiveDecl *UDir); |
5719 | |
5720 | Decl *ActOnNamespaceAliasDef(Scope *CurScope, |
5721 | SourceLocation NamespaceLoc, |
5722 | SourceLocation AliasLoc, |
5723 | IdentifierInfo *Alias, |
5724 | CXXScopeSpec &SS, |
5725 | SourceLocation IdentLoc, |
5726 | IdentifierInfo *Ident); |
5727 | |
5728 | void FilterUsingLookup(Scope *S, LookupResult &lookup); |
5729 | void HideUsingShadowDecl(Scope *S, UsingShadowDecl *Shadow); |
5730 | bool CheckUsingShadowDecl(BaseUsingDecl *BUD, NamedDecl *Target, |
5731 | const LookupResult &PreviousDecls, |
5732 | UsingShadowDecl *&PrevShadow); |
5733 | UsingShadowDecl *BuildUsingShadowDecl(Scope *S, BaseUsingDecl *BUD, |
5734 | NamedDecl *Target, |
5735 | UsingShadowDecl *PrevDecl); |
5736 | |
5737 | bool CheckUsingDeclRedeclaration(SourceLocation UsingLoc, |
5738 | bool HasTypenameKeyword, |
5739 | const CXXScopeSpec &SS, |
5740 | SourceLocation NameLoc, |
5741 | const LookupResult &Previous); |
5742 | bool CheckUsingDeclQualifier(SourceLocation UsingLoc, bool HasTypename, |
5743 | const CXXScopeSpec &SS, |
5744 | const DeclarationNameInfo &NameInfo, |
5745 | SourceLocation NameLoc, |
5746 | const LookupResult *R = nullptr, |
5747 | const UsingDecl *UD = nullptr); |
5748 | |
5749 | NamedDecl *BuildUsingDeclaration( |
5750 | Scope *S, AccessSpecifier AS, SourceLocation UsingLoc, |
5751 | bool HasTypenameKeyword, SourceLocation TypenameLoc, CXXScopeSpec &SS, |
5752 | DeclarationNameInfo NameInfo, SourceLocation EllipsisLoc, |
5753 | const ParsedAttributesView &AttrList, bool IsInstantiation, |
5754 | bool IsUsingIfExists); |
5755 | NamedDecl *BuildUsingEnumDeclaration(Scope *S, AccessSpecifier AS, |
5756 | SourceLocation UsingLoc, |
5757 | SourceLocation EnumLoc, |
5758 | SourceLocation NameLoc, EnumDecl *ED); |
5759 | NamedDecl *BuildUsingPackDecl(NamedDecl *InstantiatedFrom, |
5760 | ArrayRef<NamedDecl *> Expansions); |
5761 | |
5762 | bool CheckInheritingConstructorUsingDecl(UsingDecl *UD); |
5763 | |
5764 | |
5765 | |
5766 | |
5767 | CXXConstructorDecl * |
5768 | findInheritingConstructor(SourceLocation Loc, CXXConstructorDecl *BaseCtor, |
5769 | ConstructorUsingShadowDecl *DerivedShadow); |
5770 | |
5771 | Decl *ActOnUsingDeclaration(Scope *CurScope, AccessSpecifier AS, |
5772 | SourceLocation UsingLoc, |
5773 | SourceLocation TypenameLoc, CXXScopeSpec &SS, |
5774 | UnqualifiedId &Name, SourceLocation EllipsisLoc, |
5775 | const ParsedAttributesView &AttrList); |
5776 | Decl *ActOnUsingEnumDeclaration(Scope *CurScope, AccessSpecifier AS, |
5777 | SourceLocation UsingLoc, |
5778 | SourceLocation EnumLoc, const DeclSpec &); |
5779 | Decl *ActOnAliasDeclaration(Scope *CurScope, AccessSpecifier AS, |
5780 | MultiTemplateParamsArg TemplateParams, |
5781 | SourceLocation UsingLoc, UnqualifiedId &Name, |
5782 | const ParsedAttributesView &AttrList, |
5783 | TypeResult Type, Decl *DeclFromDeclSpec); |
5784 | |
5785 | |
5786 | |
5787 | |
5788 | |
5789 | ExprResult |
5790 | BuildCXXConstructExpr(SourceLocation ConstructLoc, QualType DeclInitType, |
5791 | NamedDecl *FoundDecl, |
5792 | CXXConstructorDecl *Constructor, MultiExprArg Exprs, |
5793 | bool HadMultipleCandidates, bool IsListInitialization, |
5794 | bool IsStdInitListInitialization, |
5795 | bool RequiresZeroInit, unsigned ConstructKind, |
5796 | SourceRange ParenRange); |
5797 | |
5798 | |
5799 | |
5800 | ExprResult |
5801 | BuildCXXConstructExpr(SourceLocation ConstructLoc, QualType DeclInitType, |
5802 | CXXConstructorDecl *Constructor, bool Elidable, |
5803 | MultiExprArg Exprs, |
5804 | bool HadMultipleCandidates, bool IsListInitialization, |
5805 | bool IsStdInitListInitialization, |
5806 | bool RequiresZeroInit, unsigned ConstructKind, |
5807 | SourceRange ParenRange); |
5808 | |
5809 | |
5810 | |
5811 | ExprResult |
5812 | BuildCXXConstructExpr(SourceLocation ConstructLoc, QualType DeclInitType, |
5813 | NamedDecl *FoundDecl, |
5814 | CXXConstructorDecl *Constructor, bool Elidable, |
5815 | MultiExprArg Exprs, bool HadMultipleCandidates, |
5816 | bool IsListInitialization, |
5817 | bool IsStdInitListInitialization, bool RequiresZeroInit, |
5818 | unsigned ConstructKind, SourceRange ParenRange); |
5819 | |
5820 | ExprResult BuildCXXDefaultInitExpr(SourceLocation Loc, FieldDecl *Field); |
5821 | |
5822 | |
5823 | |
5824 | |
5825 | bool CheckCXXDefaultArgExpr(SourceLocation CallLoc, FunctionDecl *FD, |
5826 | ParmVarDecl *Param); |
5827 | |
5828 | |
5829 | |
5830 | ExprResult BuildCXXDefaultArgExpr(SourceLocation CallLoc, |
5831 | FunctionDecl *FD, |
5832 | ParmVarDecl *Param); |
5833 | |
5834 | |
5835 | |
5836 | void FinalizeVarWithDestructor(VarDecl *VD, const RecordType *DeclInitType); |
5837 | |
5838 | |
5839 | |
5840 | class ImplicitExceptionSpecification { |
5841 | |
5842 | Sema *Self; |
5843 | |
5844 | |
5845 | |
5846 | |
5847 | |
5848 | |
5849 | ExceptionSpecificationType ComputedEST; |
5850 | llvm::SmallPtrSet<CanQualType, 4> ExceptionsSeen; |
5851 | SmallVector<QualType, 4> Exceptions; |
5852 | |
5853 | void ClearExceptions() { |
5854 | ExceptionsSeen.clear(); |
5855 | Exceptions.clear(); |
5856 | } |
5857 | |
5858 | public: |
5859 | explicit ImplicitExceptionSpecification(Sema &Self) |
5860 | : Self(&Self), ComputedEST(EST_BasicNoexcept) { |
5861 | if (!Self.getLangOpts().CPlusPlus11) |
5862 | ComputedEST = EST_DynamicNone; |
5863 | } |
5864 | |
5865 | |
5866 | ExceptionSpecificationType getExceptionSpecType() const { |
5867 | assert(!isComputedNoexcept(ComputedEST) && |
5868 | "noexcept(expr) should not be a possible result"); |
5869 | return ComputedEST; |
5870 | } |
5871 | |
5872 | |
5873 | unsigned size() const { return Exceptions.size(); } |
5874 | |
5875 | |
5876 | const QualType *data() const { return Exceptions.data(); } |
5877 | |
5878 | |
5879 | void CalledDecl(SourceLocation CallLoc, const CXXMethodDecl *Method); |
5880 | |
5881 | |
5882 | void CalledExpr(Expr *E) { CalledStmt(E); } |
5883 | |
5884 | |
5885 | void CalledStmt(Stmt *S); |
5886 | |
5887 | |
5888 | |
5889 | FunctionProtoType::ExceptionSpecInfo getExceptionSpec() const { |
5890 | FunctionProtoType::ExceptionSpecInfo ESI; |
5891 | ESI.Type = getExceptionSpecType(); |
5892 | if (ESI.Type == EST_Dynamic) { |
5893 | ESI.Exceptions = Exceptions; |
5894 | } else if (ESI.Type == EST_None) { |
5895 | |
5896 | |
5897 | |
5898 | ESI.Type = EST_NoexceptFalse; |
5899 | ESI.NoexceptExpr = Self->ActOnCXXBoolLiteral(SourceLocation(), |
5900 | tok::kw_false).get(); |
5901 | } |
5902 | return ESI; |
5903 | } |
5904 | }; |
5905 | |
5906 | |
5907 | |
5908 | void EvaluateImplicitExceptionSpec(SourceLocation Loc, FunctionDecl *FD); |
5909 | |
5910 | |
5911 | |
5912 | ExprResult ActOnNoexceptSpec(SourceLocation NoexceptLoc, Expr *NoexceptExpr, |
5913 | ExceptionSpecificationType &EST); |
5914 | |
5915 | |
5916 | |
5917 | void checkExceptionSpecification(bool IsTopLevel, |
5918 | ExceptionSpecificationType EST, |
5919 | ArrayRef<ParsedType> DynamicExceptions, |
5920 | ArrayRef<SourceRange> DynamicExceptionRanges, |
5921 | Expr *NoexceptExpr, |
5922 | SmallVectorImpl<QualType> &Exceptions, |
5923 | FunctionProtoType::ExceptionSpecInfo &ESI); |
5924 | |
5925 | |
5926 | |
5927 | bool isLibstdcxxEagerExceptionSpecHack(const Declarator &D); |
5928 | |
5929 | |
5930 | |
5931 | |
5932 | void actOnDelayedExceptionSpecification(Decl *Method, |
5933 | ExceptionSpecificationType EST, |
5934 | SourceRange SpecificationRange, |
5935 | ArrayRef<ParsedType> DynamicExceptions, |
5936 | ArrayRef<SourceRange> DynamicExceptionRanges, |
5937 | Expr *NoexceptExpr); |
5938 | |
5939 | class InheritedConstructorInfo; |
5940 | |
5941 | |
5942 | |
5943 | bool ShouldDeleteSpecialMember(CXXMethodDecl *MD, CXXSpecialMember CSM, |
5944 | InheritedConstructorInfo *ICI = nullptr, |
5945 | bool Diagnose = false); |
5946 | |
5947 | |
5948 | void DiagnoseDeletedDefaultedFunction(FunctionDecl *FD); |
5949 | |
5950 | |
5951 | |
5952 | |
5953 | |
5954 | |
5955 | |
5956 | CXXConstructorDecl *DeclareImplicitDefaultConstructor( |
5957 | CXXRecordDecl *ClassDecl); |
5958 | |
5959 | |
5960 | |
5961 | void DefineImplicitDefaultConstructor(SourceLocation CurrentLocation, |
5962 | CXXConstructorDecl *Constructor); |
5963 | |
5964 | |
5965 | |
5966 | |
5967 | |
5968 | |
5969 | |
5970 | CXXDestructorDecl *DeclareImplicitDestructor(CXXRecordDecl *ClassDecl); |
5971 | |
5972 | |
5973 | |
5974 | void DefineImplicitDestructor(SourceLocation CurrentLocation, |
5975 | CXXDestructorDecl *Destructor); |
5976 | |
5977 | |
5978 | |
5979 | |
5980 | |
5981 | void AdjustDestructorExceptionSpec(CXXDestructorDecl *Destructor); |
5982 | |
5983 | |
5984 | void DefineInheritingConstructor(SourceLocation UseLoc, |
5985 | CXXConstructorDecl *Constructor); |
5986 | |
5987 | |
5988 | |
5989 | |
5990 | |
5991 | |
5992 | |
5993 | CXXConstructorDecl *DeclareImplicitCopyConstructor(CXXRecordDecl *ClassDecl); |
5994 | |
5995 | |
5996 | |
5997 | void DefineImplicitCopyConstructor(SourceLocation CurrentLocation, |
5998 | CXXConstructorDecl *Constructor); |
5999 | |
6000 | |
6001 | |
6002 | |
6003 | |
6004 | |
6005 | |
6006 | |
6007 | CXXConstructorDecl *DeclareImplicitMoveConstructor(CXXRecordDecl *ClassDecl); |
6008 | |
6009 | |
6010 | |
6011 | void DefineImplicitMoveConstructor(SourceLocation CurrentLocation, |
6012 | CXXConstructorDecl *Constructor); |
6013 | |
6014 | |
6015 | |
6016 | |
6017 | |
6018 | |
6019 | |
6020 | CXXMethodDecl *DeclareImplicitCopyAssignment(CXXRecordDecl *ClassDecl); |
6021 | |
6022 | |
6023 | void DefineImplicitCopyAssignment(SourceLocation CurrentLocation, |
6024 | CXXMethodDecl *MethodDecl); |
6025 | |
6026 | |
6027 | |
6028 | |
6029 | |
6030 | |
6031 | |
6032 | |
6033 | CXXMethodDecl *DeclareImplicitMoveAssignment(CXXRecordDecl *ClassDecl); |
6034 | |
6035 | |
6036 | void DefineImplicitMoveAssignment(SourceLocation CurrentLocation, |
6037 | CXXMethodDecl *MethodDecl); |
6038 | |
6039 | |
6040 | |
6041 | void ForceDeclarationOfImplicitMembers(CXXRecordDecl *Class); |
6042 | |
6043 | |
6044 | void CheckImplicitSpecialMemberDeclaration(Scope *S, FunctionDecl *FD); |
6045 | |
6046 | |
6047 | |
6048 | bool isImplicitlyDeleted(FunctionDecl *FD); |
6049 | |
6050 | |
6051 | |
6052 | |
6053 | |
6054 | bool checkThisInStaticMemberFunctionType(CXXMethodDecl *Method); |
6055 | |
6056 | |
6057 | |
6058 | bool checkThisInStaticMemberFunctionExceptionSpec(CXXMethodDecl *Method); |
6059 | |
6060 | |
6061 | |
6062 | |
6063 | |
6064 | bool checkThisInStaticMemberFunctionAttributes(CXXMethodDecl *Method); |
6065 | |
6066 | |
6067 | |
6068 | |
6069 | ExprResult MaybeBindToTemporary(Expr *E); |
6070 | |
6071 | |
6072 | |
6073 | ExprResult CheckForImmediateInvocation(ExprResult E, FunctionDecl *Decl); |
6074 | |
6075 | bool CompleteConstructorCall(CXXConstructorDecl *Constructor, |
6076 | QualType DeclInitType, MultiExprArg ArgsPtr, |
6077 | SourceLocation Loc, |
6078 | SmallVectorImpl<Expr *> &ConvertedArgs, |
6079 | bool AllowExplicit = false, |
6080 | bool IsListInitialization = false); |
6081 | |
6082 | ParsedType getInheritingConstructorName(CXXScopeSpec &SS, |
6083 | SourceLocation NameLoc, |
6084 | IdentifierInfo &Name); |
6085 | |
6086 | ParsedType getConstructorName(IdentifierInfo &II, SourceLocation NameLoc, |
6087 | Scope *S, CXXScopeSpec &SS, |
6088 | bool EnteringContext); |
6089 | ParsedType getDestructorName(SourceLocation TildeLoc, |
6090 | IdentifierInfo &II, SourceLocation NameLoc, |
6091 | Scope *S, CXXScopeSpec &SS, |
6092 | ParsedType ObjectType, |
6093 | bool EnteringContext); |
6094 | |
6095 | ParsedType getDestructorTypeForDecltype(const DeclSpec &DS, |
6096 | ParsedType ObjectType); |
6097 | |
6098 | |
6099 | void CheckCompatibleReinterpretCast(QualType SrcType, QualType DestType, |
6100 | bool IsDereference, SourceRange Range); |
6101 | |
6102 | |
6103 | |
6104 | |
6105 | |
6106 | bool ShouldSplatAltivecScalarInCast(const VectorType *VecTy); |
6107 | |
6108 | |
6109 | |
6110 | ExprResult ActOnCXXNamedCast(SourceLocation OpLoc, |
6111 | tok::TokenKind Kind, |
6112 | SourceLocation LAngleBracketLoc, |
6113 | Declarator &D, |
6114 | SourceLocation RAngleBracketLoc, |
6115 | SourceLocation LParenLoc, |
6116 | Expr *E, |
6117 | SourceLocation RParenLoc); |
6118 | |
6119 | ExprResult BuildCXXNamedCast(SourceLocation OpLoc, |
6120 | tok::TokenKind Kind, |
6121 | TypeSourceInfo *Ty, |
6122 | Expr *E, |
6123 | SourceRange AngleBrackets, |
6124 | SourceRange Parens); |
6125 | |
6126 | ExprResult ActOnBuiltinBitCastExpr(SourceLocation KWLoc, Declarator &Dcl, |
6127 | ExprResult Operand, |
6128 | SourceLocation RParenLoc); |
6129 | |
6130 | ExprResult BuildBuiltinBitCastExpr(SourceLocation KWLoc, TypeSourceInfo *TSI, |
6131 | Expr *Operand, SourceLocation RParenLoc); |
6132 | |
6133 | ExprResult BuildCXXTypeId(QualType TypeInfoType, |
6134 | SourceLocation TypeidLoc, |
6135 | TypeSourceInfo *Operand, |
6136 | SourceLocation RParenLoc); |
6137 | ExprResult BuildCXXTypeId(QualType TypeInfoType, |
6138 | SourceLocation TypeidLoc, |
6139 | Expr *Operand, |
6140 | SourceLocation RParenLoc); |
6141 | |
6142 | |
6143 | ExprResult ActOnCXXTypeid(SourceLocation OpLoc, |
6144 | SourceLocation LParenLoc, bool isType, |
6145 | void *TyOrExpr, |
6146 | SourceLocation RParenLoc); |
6147 | |
6148 | ExprResult BuildCXXUuidof(QualType TypeInfoType, |
6149 | SourceLocation TypeidLoc, |
6150 | TypeSourceInfo *Operand, |
6151 | SourceLocation RParenLoc); |
6152 | ExprResult BuildCXXUuidof(QualType TypeInfoType, |
6153 | SourceLocation TypeidLoc, |
6154 | Expr *Operand, |
6155 | SourceLocation RParenLoc); |
6156 | |
6157 | |
6158 | ExprResult ActOnCXXUuidof(SourceLocation OpLoc, |
6159 | SourceLocation LParenLoc, bool isType, |
6160 | void *TyOrExpr, |
6161 | SourceLocation RParenLoc); |
6162 | |
6163 | |
6164 | ExprResult ActOnCXXFoldExpr(Scope *S, SourceLocation LParenLoc, Expr *LHS, |
6165 | tok::TokenKind Operator, |
6166 | SourceLocation EllipsisLoc, Expr *RHS, |
6167 | SourceLocation RParenLoc); |
6168 | ExprResult BuildCXXFoldExpr(UnresolvedLookupExpr *Callee, |
6169 | SourceLocation LParenLoc, Expr *LHS, |
6170 | BinaryOperatorKind Operator, |
6171 | SourceLocation EllipsisLoc, Expr *RHS, |
6172 | SourceLocation RParenLoc, |
6173 | Optional<unsigned> NumExpansions); |
6174 | ExprResult BuildEmptyCXXFoldExpr(SourceLocation EllipsisLoc, |
6175 | BinaryOperatorKind Operator); |
6176 | |
6177 | |
6178 | ExprResult ActOnCXXThis(SourceLocation loc); |
6179 | |
6180 | |
6181 | Expr *BuildCXXThisExpr(SourceLocation Loc, QualType Type, bool IsImplicit); |
6182 | void MarkThisReferenced(CXXThisExpr *This); |
6183 | |
6184 | |
6185 | |
6186 | |
6187 | QualType getCurrentThisType(); |
6188 | |
6189 | |
6190 | |
6191 | |
6192 | QualType CXXThisTypeOverride; |
6193 | |
6194 | |
6195 | |
6196 | class CXXThisScopeRAII { |
6197 | Sema &S; |
6198 | QualType OldCXXThisTypeOverride; |
6199 | bool Enabled; |
6200 | |
6201 | public: |
6202 | |
6203 | |
6204 | |
6205 | |
6206 | CXXThisScopeRAII(Sema &S, Decl *ContextDecl, Qualifiers CXXThisTypeQuals, |
6207 | bool Enabled = true); |
6208 | |
6209 | ~CXXThisScopeRAII(); |
6210 | }; |
6211 | |
6212 | |
6213 | |
6214 | |
6215 | |
6216 | |
6217 | |
6218 | |
6219 | |
6220 | |
6221 | |
6222 | |
6223 | |
6224 | |
6225 | |
6226 | |
6227 | bool CheckCXXThisCapture(SourceLocation Loc, bool Explicit = false, |
6228 | bool BuildAndDiagnose = true, |
6229 | const unsigned *const FunctionScopeIndexToStopAt = nullptr, |
6230 | bool ByCopy = false); |
6231 | |
6232 | |
6233 | |
6234 | |
6235 | bool isThisOutsideMemberFunctionBody(QualType BaseType); |
6236 | |
6237 | |
6238 | ExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, tok::TokenKind Kind); |
6239 | |
6240 | |
6241 | |
6242 | ExprResult ActOnObjCBoolLiteral(SourceLocation OpLoc, tok::TokenKind Kind); |
6243 | |
6244 | ExprResult |
6245 | ActOnObjCAvailabilityCheckExpr(llvm::ArrayRef<AvailabilitySpec> AvailSpecs, |
6246 | SourceLocation AtLoc, SourceLocation RParen); |
6247 | |
6248 | |
6249 | ExprResult ActOnCXXNullPtrLiteral(SourceLocation Loc); |
6250 | |
6251 | |
6252 | ExprResult ActOnCXXThrow(Scope *S, SourceLocation OpLoc, Expr *expr); |
6253 | ExprResult BuildCXXThrow(SourceLocation OpLoc, Expr *Ex, |
6254 | bool IsThrownVarInScope); |
6255 | bool CheckCXXThrowOperand(SourceLocation ThrowLoc, QualType ThrowTy, Expr *E); |
6256 | |
6257 | |
6258 | |
6259 | |
6260 | |
6261 | ExprResult ActOnCXXTypeConstructExpr(ParsedType TypeRep, |
6262 | SourceLocation LParenOrBraceLoc, |
6263 | MultiExprArg Exprs, |
6264 | SourceLocation RParenOrBraceLoc, |
6265 | bool ListInitialization); |
6266 | |
6267 | ExprResult BuildCXXTypeConstructExpr(TypeSourceInfo *Type, |
6268 | SourceLocation LParenLoc, |
6269 | MultiExprArg Exprs, |
6270 | SourceLocation RParenLoc, |
6271 | bool ListInitialization); |
6272 | |
6273 | |
6274 | ExprResult ActOnCXXNew(SourceLocation StartLoc, bool UseGlobal, |
6275 | SourceLocation PlacementLParen, |
6276 | MultiExprArg PlacementArgs, |
6277 | SourceLocation PlacementRParen, |
6278 | SourceRange TypeIdParens, Declarator &D, |
6279 | Expr *Initializer); |
6280 | ExprResult BuildCXXNew(SourceRange Range, bool UseGlobal, |
6281 | SourceLocation PlacementLParen, |
6282 | MultiExprArg PlacementArgs, |
6283 | SourceLocation PlacementRParen, |
6284 | SourceRange TypeIdParens, |
6285 | QualType AllocType, |
6286 | TypeSourceInfo *AllocTypeInfo, |
6287 | Optional<Expr *> ArraySize, |
6288 | SourceRange DirectInitRange, |
6289 | Expr *Initializer); |
6290 | |
6291 | |
6292 | |
6293 | bool isUnavailableAlignedAllocationFunction(const FunctionDecl &FD) const; |
6294 | |
6295 | |
6296 | |
6297 | void diagnoseUnavailableAlignedAllocation(const FunctionDecl &FD, |
6298 | SourceLocation Loc); |
6299 | |
6300 | bool CheckAllocatedType(QualType AllocType, SourceLocation Loc, |
6301 | SourceRange R); |
6302 | |
6303 | |
6304 | enum AllocationFunctionScope { |
6305 | |
6306 | AFS_Global, |
6307 | |
6308 | |
6309 | AFS_Class, |
6310 | |
6311 | |
6312 | AFS_Both |
6313 | }; |
6314 | |
6315 | |
6316 | |
6317 | bool FindAllocationFunctions(SourceLocation StartLoc, SourceRange Range, |
6318 | AllocationFunctionScope NewScope, |
6319 | AllocationFunctionScope DeleteScope, |
6320 | QualType AllocType, bool IsArray, |
6321 | bool &PassAlignment, MultiExprArg PlaceArgs, |
6322 | FunctionDecl *&OperatorNew, |
6323 | FunctionDecl *&OperatorDelete, |
6324 | bool Diagnose = true); |
6325 | void DeclareGlobalNewDelete(); |
6326 | void DeclareGlobalAllocationFunction(DeclarationName Name, QualType Return, |
6327 | ArrayRef<QualType> Params); |
6328 | |
6329 | bool FindDeallocationFunction(SourceLocation StartLoc, CXXRecordDecl *RD, |
6330 | DeclarationName Name, FunctionDecl* &Operator, |
6331 | bool Diagnose = true); |
6332 | FunctionDecl *FindUsualDeallocationFunction(SourceLocation StartLoc, |
6333 | bool CanProvideSize, |
6334 | bool Overaligned, |
6335 | DeclarationName Name); |
6336 | FunctionDecl *FindDeallocationFunctionForDestructor(SourceLocation StartLoc, |
6337 | CXXRecordDecl *RD); |
6338 | |
6339 | |
6340 | ExprResult ActOnCXXDelete(SourceLocation StartLoc, |
6341 | bool UseGlobal, bool ArrayForm, |
6342 | Expr *Operand); |
6343 | void CheckVirtualDtorCall(CXXDestructorDecl *dtor, SourceLocation Loc, |
6344 | bool IsDelete, bool CallCanBeVirtual, |
6345 | bool WarnOnNonAbstractTypes, |
6346 | SourceLocation DtorLoc); |
6347 | |
6348 | ExprResult ActOnNoexceptExpr(SourceLocation KeyLoc, SourceLocation LParen, |
6349 | Expr *Operand, SourceLocation RParen); |
6350 | ExprResult BuildCXXNoexceptExpr(SourceLocation KeyLoc, Expr *Operand, |
6351 | SourceLocation RParen); |
6352 | |
6353 | |
6354 | ExprResult ActOnTypeTrait(TypeTrait Kind, SourceLocation KWLoc, |
6355 | ArrayRef<ParsedType> Args, |
6356 | SourceLocation RParenLoc); |
6357 | ExprResult BuildTypeTrait(TypeTrait Kind, SourceLocation KWLoc, |
6358 | ArrayRef<TypeSourceInfo *> Args, |
6359 | SourceLocation RParenLoc); |
6360 | |
6361 | |
6362 | |
6363 | ExprResult ActOnArrayTypeTrait(ArrayTypeTrait ATT, |
6364 | SourceLocation KWLoc, |
6365 | ParsedType LhsTy, |
6366 | Expr *DimExpr, |
6367 | SourceLocation RParen); |
6368 | |
6369 | ExprResult BuildArrayTypeTrait(ArrayTypeTrait ATT, |
6370 | SourceLocation KWLoc, |
6371 | TypeSourceInfo *TSInfo, |
6372 | Expr *DimExpr, |
6373 | SourceLocation RParen); |
6374 | |
6375 | |
6376 | |
6377 | ExprResult ActOnExpressionTrait(ExpressionTrait OET, |
6378 | SourceLocation KWLoc, |
6379 | Expr *Queried, |
6380 | SourceLocation RParen); |
6381 | |
6382 | ExprResult BuildExpressionTrait(ExpressionTrait OET, |
6383 | SourceLocation KWLoc, |
6384 | Expr *Queried, |
6385 | SourceLocation RParen); |
6386 | |
6387 | ExprResult ActOnStartCXXMemberReference(Scope *S, |
6388 | Expr *Base, |
6389 | SourceLocation OpLoc, |
6390 | tok::TokenKind OpKind, |
6391 | ParsedType &ObjectType, |
6392 | bool &MayBePseudoDestructor); |
6393 | |
6394 | ExprResult BuildPseudoDestructorExpr(Expr *Base, |
6395 | SourceLocation OpLoc, |
6396 | tok::TokenKind OpKind, |
6397 | const CXXScopeSpec &SS, |
6398 | TypeSourceInfo *ScopeType, |
6399 | SourceLocation CCLoc, |
6400 | SourceLocation TildeLoc, |
6401 | PseudoDestructorTypeStorage DestroyedType); |
6402 | |
6403 | ExprResult ActOnPseudoDestructorExpr(Scope *S, Expr *Base, |
6404 | SourceLocation OpLoc, |
6405 | tok::TokenKind OpKind, |
6406 | CXXScopeSpec &SS, |
6407 | UnqualifiedId &FirstTypeName, |
6408 | SourceLocation CCLoc, |
6409 | SourceLocation TildeLoc, |
6410 | UnqualifiedId &SecondTypeName); |
6411 | |
6412 | ExprResult ActOnPseudoDestructorExpr(Scope *S, Expr *Base, |
6413 | SourceLocation OpLoc, |
6414 | tok::TokenKind OpKind, |
6415 | SourceLocation TildeLoc, |
6416 | const DeclSpec& DS); |
6417 | |
6418 | |
6419 | |
6420 | |
6421 | Expr *MaybeCreateExprWithCleanups(Expr *SubExpr); |
6422 | Stmt *MaybeCreateStmtWithCleanups(Stmt *SubStmt); |
6423 | ExprResult MaybeCreateExprWithCleanups(ExprResult SubExpr); |
6424 | |
6425 | MaterializeTemporaryExpr * |
6426 | CreateMaterializeTemporaryExpr(QualType T, Expr *Temporary, |
6427 | bool BoundToLvalueReference); |
6428 | |
6429 | ExprResult ActOnFinishFullExpr(Expr *Expr, bool DiscardedValue) { |
6430 | return ActOnFinishFullExpr( |
6431 | Expr, Expr ? Expr->getExprLoc() : SourceLocation(), DiscardedValue); |
6432 | } |
6433 | ExprResult ActOnFinishFullExpr(Expr *Expr, SourceLocation CC, |
6434 | bool DiscardedValue, bool IsConstexpr = false); |
6435 | StmtResult ActOnFinishFullStmt(Stmt *Stmt); |
6436 | |
6437 | |
6438 | bool RequireCompleteDeclContext(CXXScopeSpec &SS, DeclContext *DC); |
6439 | |
6440 | bool RequireCompleteEnumDecl(EnumDecl *D, SourceLocation L, |
6441 | CXXScopeSpec *SS = nullptr); |
6442 | |
6443 | DeclContext *computeDeclContext(QualType T); |
6444 | DeclContext *computeDeclContext(const CXXScopeSpec &SS, |
6445 | bool EnteringContext = false); |
6446 | bool isDependentScopeSpecifier(const CXXScopeSpec &SS); |
6447 | CXXRecordDecl *getCurrentInstantiationOf(NestedNameSpecifier *NNS); |
6448 | |
6449 | |
6450 | |
6451 | |
6452 | |
6453 | |
6454 | |
6455 | |
6456 | |
6457 | bool ActOnCXXGlobalScopeSpecifier(SourceLocation CCLoc, CXXScopeSpec &SS); |
6458 | |
6459 | |
6460 | |
6461 | |
6462 | |
6463 | |
6464 | |
6465 | |
6466 | |
6467 | |
6468 | |
6469 | bool ActOnSuperScopeSpecifier(SourceLocation SuperLoc, |
6470 | SourceLocation ColonColonLoc, CXXScopeSpec &SS); |
6471 | |
6472 | bool isAcceptableNestedNameSpecifier(const NamedDecl *SD, |
6473 | bool *CanCorrect = nullptr); |
6474 | NamedDecl *FindFirstQualifierInScope(Scope *S, NestedNameSpecifier *NNS); |
6475 | |
6476 | |
6477 | |
6478 | struct NestedNameSpecInfo { |
6479 | |
6480 | |
6481 | ParsedType ObjectType; |
6482 | |
6483 | |
6484 | IdentifierInfo *Identifier; |
6485 | |
6486 | |
6487 | SourceLocation IdentifierLoc; |
6488 | |
6489 | |
6490 | SourceLocation CCLoc; |
6491 | |
6492 | |
6493 | NestedNameSpecInfo(IdentifierInfo *II, SourceLocation IdLoc, |
6494 | SourceLocation ColonColonLoc, ParsedType ObjectType = ParsedType()) |
6495 | : ObjectType(ObjectType), Identifier(II), IdentifierLoc(IdLoc), |
6496 | CCLoc(ColonColonLoc) { |
6497 | } |
6498 | |
6499 | NestedNameSpecInfo(IdentifierInfo *II, SourceLocation IdLoc, |
6500 | SourceLocation ColonColonLoc, QualType ObjectType) |
6501 | : ObjectType(ParsedType::make(ObjectType)), Identifier(II), |
6502 | IdentifierLoc(IdLoc), CCLoc(ColonColonLoc) { |
6503 | } |
6504 | }; |
6505 | |
6506 | bool isNonTypeNestedNameSpecifier(Scope *S, CXXScopeSpec &SS, |
6507 | NestedNameSpecInfo &IdInfo); |
6508 | |
6509 | bool BuildCXXNestedNameSpecifier(Scope *S, |
6510 | NestedNameSpecInfo &IdInfo, |
6511 | bool EnteringContext, |
6512 | CXXScopeSpec &SS, |
6513 | NamedDecl *ScopeLookupResult, |
6514 | bool ErrorRecoveryLookup, |
6515 | bool *IsCorrectedToColon = nullptr, |
6516 | bool OnlyNamespace = false); |
6517 | |
6518 | |
6519 | |
6520 | |
6521 | |
6522 | |
6523 | |
6524 | |
6525 | |
6526 | |
6527 | |
6528 | |
6529 | |
6530 | |
6531 | |
6532 | |
6533 | |
6534 | |
6535 | |
6536 | |
6537 | |
6538 | |
6539 | |
6540 | |
6541 | |
6542 | |
6543 | bool ActOnCXXNestedNameSpecifier(Scope *S, |
6544 | NestedNameSpecInfo &IdInfo, |
6545 | bool EnteringContext, |
6546 | CXXScopeSpec &SS, |
6547 | bool ErrorRecoveryLookup = false, |
6548 | bool *IsCorrectedToColon = nullptr, |
6549 | bool OnlyNamespace = false); |
6550 | |
6551 | ExprResult ActOnDecltypeExpression(Expr *E); |
6552 | |
6553 | bool ActOnCXXNestedNameSpecifierDecltype(CXXScopeSpec &SS, |
6554 | const DeclSpec &DS, |
6555 | SourceLocation ColonColonLoc); |
6556 | |
6557 | bool IsInvalidUnlessNestedName(Scope *S, CXXScopeSpec &SS, |
6558 | NestedNameSpecInfo &IdInfo, |
6559 | bool EnteringContext); |
6560 | |
6561 | |
6562 | |
6563 | |
6564 | |
6565 | |
6566 | |
6567 | |
6568 | |
6569 | |
6570 | |
6571 | |
6572 | |
6573 | |
6574 | |
6575 | |
6576 | |
6577 | |
6578 | |
6579 | |
6580 | |
6581 | |
6582 | |
6583 | |
6584 | bool ActOnCXXNestedNameSpecifier(Scope *S, |
6585 | CXXScopeSpec &SS, |
6586 | SourceLocation TemplateKWLoc, |
6587 | TemplateTy TemplateName, |
6588 | SourceLocation TemplateNameLoc, |
6589 | SourceLocation LAngleLoc, |
6590 | ASTTemplateArgsPtr TemplateArgs, |
6591 | SourceLocation RAngleLoc, |
6592 | SourceLocation CCLoc, |
6593 | bool EnteringContext); |
6594 | |
6595 | |
6596 | |
6597 | |
6598 | |
6599 | |
6600 | |
6601 | |
6602 | |
6603 | void *SaveNestedNameSpecifierAnnotation(CXXScopeSpec &SS); |
6604 | |
6605 | |
6606 | |
6607 | |
6608 | |
6609 | |
6610 | |
6611 | |
6612 | |
6613 | |
6614 | |
6615 | void RestoreNestedNameSpecifierAnnotation(void *Annotation, |
6616 | SourceRange AnnotationRange, |
6617 | CXXScopeSpec &SS); |
6618 | |
6619 | bool ShouldEnterDeclaratorScope(Scope *S, const CXXScopeSpec &SS); |
6620 | |
6621 | |
6622 | |
6623 | |
6624 | |
6625 | |
6626 | |
6627 | bool ActOnCXXEnterDeclaratorScope(Scope *S, CXXScopeSpec &SS); |
6628 | |
6629 | |
6630 | |
6631 | |
6632 | |
6633 | |
6634 | void ActOnCXXExitDeclaratorScope(Scope *S, const CXXScopeSpec &SS); |
6635 | |
6636 | |
6637 | |
6638 | |
6639 | |
6640 | |
6641 | void ActOnCXXEnterDeclInitializer(Scope *S, Decl *Dcl); |
6642 | |
6643 | |
6644 | |
6645 | void ActOnCXXExitDeclInitializer(Scope *S, Decl *Dcl); |
6646 | |
6647 | |
6648 | CXXRecordDecl *createLambdaClosureType(SourceRange IntroducerRange, |
6649 | TypeSourceInfo *Info, |
6650 | bool KnownDependent, |
6651 | LambdaCaptureDefault CaptureDefault); |
6652 | |
6653 | |
6654 | CXXMethodDecl *startLambdaDefinition(CXXRecordDecl *Class, |
6655 | SourceRange IntroducerRange, |
6656 | TypeSourceInfo *MethodType, |
6657 | SourceLocation EndLoc, |
6658 | ArrayRef<ParmVarDecl *> Params, |
6659 | ConstexprSpecKind ConstexprKind, |
6660 | Expr *TrailingRequiresClause); |
6661 | |
6662 | |
6663 | void handleLambdaNumbering( |
6664 | CXXRecordDecl *Class, CXXMethodDecl *Method, |
6665 | Optional<std::tuple<bool, unsigned, unsigned, Decl *>> Mangling = None); |
6666 | |
6667 | |
6668 | void buildLambdaScope(sema::LambdaScopeInfo *LSI, |
6669 | CXXMethodDecl *CallOperator, |
6670 | SourceRange IntroducerRange, |
6671 | LambdaCaptureDefault CaptureDefault, |
6672 | SourceLocation CaptureDefaultLoc, |
6673 | bool ExplicitParams, |
6674 | bool ExplicitResultType, |
6675 | bool Mutable); |
6676 | |
6677 | |
6678 | |
6679 | |
6680 | ParsedType actOnLambdaInitCaptureInitialization( |
6681 | SourceLocation Loc, bool ByRef, SourceLocation EllipsisLoc, |
6682 | IdentifierInfo *Id, LambdaCaptureInitKind InitKind, Expr *&Init) { |
6683 | return ParsedType::make(buildLambdaInitCaptureInitialization( |
6684 | Loc, ByRef, EllipsisLoc, None, Id, |
6685 | InitKind != LambdaCaptureInitKind::CopyInit, Init)); |
6686 | } |
6687 | QualType buildLambdaInitCaptureInitialization( |
6688 | SourceLocation Loc, bool ByRef, SourceLocation EllipsisLoc, |
6689 | Optional<unsigned> NumExpansions, IdentifierInfo *Id, bool DirectInit, |
6690 | Expr *&Init); |
6691 | |
6692 | |
6693 | |
6694 | |
6695 | |
6696 | |
6697 | VarDecl *createLambdaInitCaptureVarDecl(SourceLocation Loc, |
6698 | QualType InitCaptureType, |
6699 | SourceLocation EllipsisLoc, |
6700 | IdentifierInfo *Id, |
6701 | unsigned InitStyle, Expr *Init); |
6702 | |
6703 | |
6704 | void addInitCapture(sema::LambdaScopeInfo *LSI, VarDecl *Var); |
6705 | |
6706 | |
6707 | |
6708 | void finishLambdaExplicitCaptures(sema::LambdaScopeInfo *LSI); |
6709 | |
6710 | |
6711 | |
6712 | void ActOnLambdaExplicitTemplateParameterList(SourceLocation LAngleLoc, |
6713 | ArrayRef<NamedDecl *> TParams, |
6714 | SourceLocation RAngleLoc, |
6715 | ExprResult RequiresClause); |
6716 | |
6717 | |
6718 | void addLambdaParameters( |
6719 | ArrayRef<LambdaIntroducer::LambdaCapture> Captures, |
6720 | CXXMethodDecl *CallOperator, Scope *CurScope); |
6721 | |
6722 | |
6723 | |
6724 | void deduceClosureReturnType(sema::CapturingScopeInfo &CSI); |
6725 | |
6726 | |
6727 | |
6728 | |
6729 | |
6730 | void ActOnStartOfLambdaDefinition(LambdaIntroducer &Intro, |
6731 | Declarator &ParamInfo, Scope *CurScope); |
6732 | |
6733 | |
6734 | |
6735 | void ActOnLambdaError(SourceLocation StartLoc, Scope *CurScope, |
6736 | bool IsInstantiation = false); |
6737 | |
6738 | |
6739 | |
6740 | ExprResult ActOnLambdaExpr(SourceLocation StartLoc, Stmt *Body, |
6741 | Scope *CurScope); |
6742 | |
6743 | |
6744 | bool CaptureHasSideEffects(const sema::Capture &From); |
6745 | |
6746 | |
6747 | |
6748 | bool DiagnoseUnusedLambdaCapture(SourceRange CaptureRange, |
6749 | const sema::Capture &From); |
6750 | |
6751 | |
6752 | FieldDecl *BuildCaptureField(RecordDecl *RD, const sema::Capture &Capture); |
6753 | |
6754 | |
6755 | ExprResult BuildCaptureInit(const sema::Capture &Capture, |
6756 | SourceLocation ImplicitCaptureLoc, |
6757 | bool IsOpenMPMapping = false); |
6758 | |
6759 | |
6760 | |
6761 | ExprResult BuildLambdaExpr(SourceLocation StartLoc, SourceLocation EndLoc, |
6762 | sema::LambdaScopeInfo *LSI); |
6763 | |
6764 | |
6765 | |
6766 | QualType |
6767 | getLambdaConversionFunctionResultType(const FunctionProtoType *CallOpType, |
6768 | CallingConv CC); |
6769 | |
6770 | |
6771 | |
6772 | |
6773 | |
6774 | |
6775 | |
6776 | |
6777 | void DefineImplicitLambdaToFunctionPointerConversion( |
6778 | SourceLocation CurrentLoc, CXXConversionDecl *Conv); |
6779 | |
6780 | |
6781 | |
6782 | |
6783 | |
6784 | |
6785 | |
6786 | |
6787 | void DefineImplicitLambdaToBlockPointerConversion(SourceLocation CurrentLoc, |
6788 | CXXConversionDecl *Conv); |
6789 | |
6790 | ExprResult BuildBlockForLambdaConversion(SourceLocation CurrentLocation, |
6791 | SourceLocation ConvLocation, |
6792 | CXXConversionDecl *Conv, |
6793 | Expr *Src); |
6794 | |
6795 | |
6796 | |
6797 | |
6798 | |
6799 | bool CheckConstraintExpression(const Expr *CE, Token NextToken = Token(), |
6800 | bool *PossibleNonPrimary = nullptr, |
6801 | bool IsTrailingRequiresClause = false); |
6802 | |
6803 | private: |
6804 | |
6805 | |
6806 | |
6807 | llvm::DenseMap<std::pair<NamedDecl *, NamedDecl *>, bool> SubsumptionCache; |
6808 | |
6809 | |
6810 | |
6811 | |
6812 | llvm::DenseMap<NamedDecl *, NormalizedConstraint *> |
6813 | NormalizationCache; |
6814 | |
6815 | llvm::ContextualFoldingSet<ConstraintSatisfaction, const ASTContext &> |
6816 | SatisfactionCache; |
6817 | |
6818 | public: |
6819 | const NormalizedConstraint * |
6820 | getNormalizedAssociatedConstraints( |
6821 | NamedDecl *ConstrainedDecl, ArrayRef<const Expr *> AssociatedConstraints); |
6822 | |
6823 | |
6824 | |
6825 | |
6826 | |
6827 | |
6828 | |
6829 | |
6830 | |
6831 | bool IsAtLeastAsConstrained(NamedDecl *D1, ArrayRef<const Expr *> AC1, |
6832 | NamedDecl *D2, ArrayRef<const Expr *> AC2, |
6833 | bool &Result); |
6834 | |
6835 | |
6836 | |
6837 | |
6838 | |
6839 | bool MaybeEmitAmbiguousAtomicConstraintsDiagnostic(NamedDecl *D1, |
6840 | ArrayRef<const Expr *> AC1, NamedDecl *D2, ArrayRef<const Expr *> AC2); |
6841 | |
6842 | |
6843 | |
6844 | |
6845 | |
6846 | |
6847 | |
6848 | |
6849 | |
6850 | |
6851 | |
6852 | |
6853 | |
6854 | |
6855 | |
6856 | |
6857 | bool CheckConstraintSatisfaction( |
6858 | const NamedDecl *Template, ArrayRef<const Expr *> ConstraintExprs, |
6859 | ArrayRef<TemplateArgument> TemplateArgs, |
6860 | SourceRange TemplateIDRange, ConstraintSatisfaction &Satisfaction); |
6861 | |
6862 | |
6863 | |
6864 | |
6865 | |
6866 | |
6867 | |
6868 | bool CheckConstraintSatisfaction(const Expr *ConstraintExpr, |
6869 | ConstraintSatisfaction &Satisfaction); |
6870 | |
6871 | |
6872 | |
6873 | |
6874 | |
6875 | |
6876 | |
6877 | bool CheckFunctionConstraints(const FunctionDecl *FD, |
6878 | ConstraintSatisfaction &Satisfaction, |
6879 | SourceLocation UsageLoc = SourceLocation()); |
6880 | |
6881 | |
6882 | |
6883 | |
6884 | |
6885 | |
6886 | |
6887 | |
6888 | |
6889 | |
6890 | |
6891 | |
6892 | |
6893 | |
6894 | |
6895 | bool EnsureTemplateArgumentListConstraints(TemplateDecl *Template, |
6896 | ArrayRef<TemplateArgument> TemplateArgs, |
6897 | SourceRange TemplateIDRange); |
6898 | |
6899 | |
6900 | |
6901 | |
6902 | |
6903 | void |
6904 | DiagnoseUnsatisfiedConstraint(const ConstraintSatisfaction &Satisfaction, |
6905 | bool First = true); |
6906 | |
6907 | |
6908 | |
6909 | void |
6910 | DiagnoseUnsatisfiedConstraint(const ASTConstraintSatisfaction &Satisfaction, |
6911 | bool First = true); |
6912 | |
6913 | |
6914 | ExprResult ParseObjCStringLiteral(SourceLocation *AtLocs, |
6915 | ArrayRef<Expr *> Strings); |
6916 | |
6917 | ExprResult BuildObjCStringLiteral(SourceLocation AtLoc, StringLiteral *S); |
6918 | |
6919 | |
6920 | |
6921 | |
6922 | ExprResult BuildObjCNumericLiteral(SourceLocation AtLoc, Expr *Number); |
6923 | ExprResult ActOnObjCBoolLiteral(SourceLocation AtLoc, SourceLocation ValueLoc, |
6924 | bool Value); |
6925 | ExprResult BuildObjCArrayLiteral(SourceRange SR, MultiExprArg Elements); |
6926 | |
6927 | |
6928 | |
6929 | |
6930 | |
6931 | |
6932 | ExprResult BuildObjCBoxedExpr(SourceRange SR, Expr *ValueExpr); |
6933 | |
6934 | ExprResult BuildObjCSubscriptExpression(SourceLocation RB, Expr *BaseExpr, |
6935 | Expr *IndexExpr, |
6936 | ObjCMethodDecl *getterMethod, |
6937 | ObjCMethodDecl *setterMethod); |
6938 | |
6939 | ExprResult BuildObjCDictionaryLiteral(SourceRange SR, |
6940 | MutableArrayRef<ObjCDictionaryElement> Elements); |
6941 | |
6942 | ExprResult BuildObjCEncodeExpression(SourceLocation AtLoc, |
6943 | TypeSourceInfo *EncodedTypeInfo, |
6944 | SourceLocation RParenLoc); |
6945 | ExprResult BuildCXXMemberCallExpr(Expr *Exp, NamedDecl *FoundDecl, |
6946 | CXXConversionDecl *Method, |
6947 | bool HadMultipleCandidates); |
6948 | |
6949 | ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, |
6950 | SourceLocation EncodeLoc, |
6951 | SourceLocation LParenLoc, |
6952 | ParsedType Ty, |
6953 | SourceLocation RParenLoc); |
6954 | |
6955 | |
6956 | ExprResult ParseObjCSelectorExpression(Selector Sel, |
6957 | SourceLocation AtLoc, |
6958 | SourceLocation SelLoc, |
6959 | SourceLocation LParenLoc, |
6960 | SourceLocation RParenLoc, |
6961 | bool WarnMultipleSelectors); |
6962 | |
6963 | |
6964 | ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName, |
6965 | SourceLocation AtLoc, |
6966 | SourceLocation ProtoLoc, |
6967 | SourceLocation LParenLoc, |
6968 | SourceLocation ProtoIdLoc, |
6969 | SourceLocation RParenLoc); |
6970 | |
6971 | |
6972 | |
6973 | |
6974 | Decl *ActOnStartLinkageSpecification(Scope *S, |
6975 | SourceLocation ExternLoc, |
6976 | Expr *LangStr, |
6977 | SourceLocation LBraceLoc); |
6978 | Decl *ActOnFinishLinkageSpecification(Scope *S, |
6979 | Decl *LinkageSpec, |
6980 | SourceLocation RBraceLoc); |
6981 | |
6982 | |
6983 | |
6984 | |
6985 | |
6986 | CXXRecordDecl *getCurrentClass(Scope *S, const CXXScopeSpec *SS); |
6987 | bool isCurrentClassName(const IdentifierInfo &II, Scope *S, |
6988 | const CXXScopeSpec *SS = nullptr); |
6989 | bool isCurrentClassNameTypo(IdentifierInfo *&II, const CXXScopeSpec *SS); |
6990 | |
6991 | bool ActOnAccessSpecifier(AccessSpecifier Access, SourceLocation ASLoc, |
6992 | SourceLocation ColonLoc, |
6993 | const ParsedAttributesView &Attrs); |
6994 | |
6995 | NamedDecl *ActOnCXXMemberDeclarator(Scope *S, AccessSpecifier AS, |
6996 | Declarator &D, |
6997 | MultiTemplateParamsArg TemplateParameterLists, |
6998 | Expr *BitfieldWidth, const VirtSpecifiers &VS, |
6999 | InClassInitStyle InitStyle); |
7000 | |
7001 | void ActOnStartCXXInClassMemberInitializer(); |
7002 | void ActOnFinishCXXInClassMemberInitializer(Decl *VarDecl, |
7003 | SourceLocation EqualLoc, |
7004 | Expr *Init); |
7005 | |
7006 | MemInitResult ActOnMemInitializer(Decl *ConstructorD, |
7007 | Scope *S, |
7008 | CXXScopeSpec &SS, |
7009 | IdentifierInfo *MemberOrBase, |
7010 | ParsedType TemplateTypeTy, |
7011 | const DeclSpec &DS, |
7012 | SourceLocation IdLoc, |
7013 | SourceLocation LParenLoc, |
7014 | ArrayRef<Expr *> Args, |
7015 | SourceLocation RParenLoc, |
7016 | SourceLocation EllipsisLoc); |
7017 | |
7018 | MemInitResult ActOnMemInitializer(Decl *ConstructorD, |
7019 | Scope *S, |
7020 | CXXScopeSpec &SS, |
7021 | IdentifierInfo *MemberOrBase, |
7022 | ParsedType TemplateTypeTy, |
7023 | const DeclSpec &DS, |
7024 | SourceLocation IdLoc, |
7025 | Expr *InitList, |
7026 | SourceLocation EllipsisLoc); |
7027 | |
7028 | MemInitResult BuildMemInitializer(Decl *ConstructorD, |
7029 | Scope *S, |
7030 | CXXScopeSpec &SS, |
7031 | IdentifierInfo *MemberOrBase, |
7032 | ParsedType TemplateTypeTy, |
7033 | const DeclSpec &DS, |
7034 | SourceLocation IdLoc, |
7035 | Expr *Init, |
7036 | SourceLocation EllipsisLoc); |
7037 | |
7038 | MemInitResult BuildMemberInitializer(ValueDecl *Member, |
7039 | Expr *Init, |
7040 | SourceLocation IdLoc); |
7041 | |
7042 | MemInitResult BuildBaseInitializer(QualType BaseType, |
7043 | TypeSourceInfo *BaseTInfo, |
7044 | Expr *Init, |
7045 | CXXRecordDecl *ClassDecl, |
7046 | SourceLocation EllipsisLoc); |
7047 | |
7048 | MemInitResult BuildDelegatingInitializer(TypeSourceInfo *TInfo, |
7049 | Expr *Init, |
7050 | CXXRecordDecl *ClassDecl); |
7051 | |
7052 | bool SetDelegatingInitializer(CXXConstructorDecl *Constructor, |
7053 | CXXCtorInitializer *Initializer); |
7054 | |
7055 | bool SetCtorInitializers(CXXConstructorDecl *Constructor, bool AnyErrors, |
7056 | ArrayRef<CXXCtorInitializer *> Initializers = None); |
7057 | |
7058 | void SetIvarInitializers(ObjCImplementationDecl *ObjCImplementation); |
7059 | |
7060 | |
7061 | |
7062 | |
7063 | |
7064 | void MarkBaseAndMemberDestructorsReferenced(SourceLocation Loc, |
7065 | CXXRecordDecl *Record); |
7066 | |
7067 | |
7068 | |
7069 | |
7070 | |
7071 | void MarkVirtualBaseDestructorsReferenced( |
7072 | SourceLocation Location, CXXRecordDecl *ClassDecl, |
7073 | llvm::SmallPtrSetImpl<const RecordType *> *DirectVirtualBases = nullptr); |
7074 | |
7075 | |
7076 | |
7077 | |
7078 | |
7079 | |
7080 | void CheckCompleteDestructorVariant(SourceLocation CurrentLocation, |
7081 | CXXDestructorDecl *Dtor); |
7082 | |
7083 | |
7084 | |
7085 | |
7086 | typedef std::pair<CXXRecordDecl*, SourceLocation> VTableUse; |
7087 | |
7088 | |
7089 | |
7090 | SmallVector<VTableUse, 16> VTableUses; |
7091 | |
7092 | |
7093 | |
7094 | |
7095 | |
7096 | llvm::DenseMap<CXXRecordDecl *, bool> VTablesUsed; |
7097 | |
7098 | |
7099 | void LoadExternalVTableUses(); |
7100 | |
7101 | |
7102 | |
7103 | void MarkVTableUsed(SourceLocation Loc, CXXRecordDecl *Class, |
7104 | bool DefinitionRequired = false); |
7105 | |
7106 | |
7107 | |
7108 | void MarkVirtualMemberExceptionSpecsNeeded(SourceLocation Loc, |
7109 | const CXXRecordDecl *RD); |
7110 | |
7111 | |
7112 | |
7113 | void MarkVirtualMembersReferenced(SourceLocation Loc, const CXXRecordDecl *RD, |
7114 | bool ConstexprOnly = false); |
7115 | |
7116 | |
7117 | |
7118 | |
7119 | |
7120 | |
7121 | bool DefineUsedVTables(); |
7122 | |
7123 | void AddImplicitlyDeclaredMembersToClass(CXXRecordDecl *ClassDecl); |
7124 | |
7125 | void ActOnMemInitializers(Decl *ConstructorDecl, |
7126 | SourceLocation ColonLoc, |
7127 | ArrayRef<CXXCtorInitializer*> MemInits, |
7128 | bool AnyErrors); |
7129 | |
7130 | |
7131 | |
7132 | |
7133 | void checkClassLevelDLLAttribute(CXXRecordDecl *Class); |
7134 | void checkClassLevelCodeSegAttribute(CXXRecordDecl *Class); |
7135 | |
7136 | void referenceDLLExportedClassMethods(); |
7137 | |
7138 | void propagateDLLAttrToBaseClassTemplate( |
7139 | CXXRecordDecl *Class, Attr *ClassAttr, |
7140 | ClassTemplateSpecializationDecl *BaseTemplateSpec, |
7141 | SourceLocation BaseLoc); |
7142 | |
7143 | |
7144 | |
7145 | |
7146 | void inferGslPointerAttribute(NamedDecl *ND, CXXRecordDecl *UnderlyingRecord); |
7147 | |
7148 | |
7149 | void inferGslOwnerPointerAttribute(CXXRecordDecl *Record); |
7150 | |
7151 | |
7152 | void inferGslPointerAttribute(TypedefNameDecl *TD); |
7153 | |
7154 | void CheckCompletedCXXClass(Scope *S, CXXRecordDecl *Record); |
7155 | |
7156 | |
7157 | |
7158 | void checkIllFormedTrivialABIStruct(CXXRecordDecl &RD); |
7159 | |
7160 | void ActOnFinishCXXMemberSpecification(Scope *S, SourceLocation RLoc, |
7161 | Decl *TagDecl, SourceLocation LBrac, |
7162 | SourceLocation RBrac, |
7163 | const ParsedAttributesView &AttrList); |
7164 | void ActOnFinishCXXMemberDecls(); |
7165 | void ActOnFinishCXXNonNestedClass(); |
7166 | |
7167 | void ActOnReenterCXXMethodParameter(Scope *S, ParmVarDecl *Param); |
7168 | unsigned ActOnReenterTemplateScope(Decl *Template, |
7169 | llvm::function_ref<Scope *()> EnterScope); |
7170 | void ActOnStartDelayedMemberDeclarations(Scope *S, Decl *Record); |
7171 | void ActOnStartDelayedCXXMethodDeclaration(Scope *S, Decl *Method); |
7172 | void ActOnDelayedCXXMethodParameter(Scope *S, Decl *Param); |
7173 | void ActOnFinishDelayedMemberDeclarations(Scope *S, Decl *Record); |
7174 | void ActOnFinishDelayedCXXMethodDeclaration(Scope *S, Decl *Method); |
7175 | void ActOnFinishDelayedMemberInitializers(Decl *Record); |
7176 | void MarkAsLateParsedTemplate(FunctionDecl *FD, Decl *FnD, |
7177 | CachedTokens &Toks); |
7178 | void UnmarkAsLateParsedTemplate(FunctionDecl *FD); |
7179 | bool IsInsideALocalClassWithinATemplateFunction(); |
7180 | |
7181 | Decl *ActOnStaticAssertDeclaration(SourceLocation StaticAssertLoc, |
7182 | Expr *AssertExpr, |
7183 | Expr *AssertMessageExpr, |
7184 | SourceLocation RParenLoc); |
7185 | Decl *BuildStaticAssertDeclaration(SourceLocation StaticAssertLoc, |
7186 | Expr *AssertExpr, |
7187 | StringLiteral *AssertMessageExpr, |
7188 | SourceLocation RParenLoc, |
7189 | bool Failed); |
7190 | |
7191 | FriendDecl *CheckFriendTypeDecl(SourceLocation LocStart, |
7192 | SourceLocation FriendLoc, |
7193 | TypeSourceInfo *TSInfo); |
7194 | Decl *ActOnFriendTypeDecl(Scope *S, const DeclSpec &DS, |
7195 | MultiTemplateParamsArg TemplateParams); |
7196 | NamedDecl *ActOnFriendFunctionDecl(Scope *S, Declarator &D, |
7197 | MultiTemplateParamsArg TemplateParams); |
7198 | |
7199 | QualType CheckConstructorDeclarator(Declarator &D, QualType R, |
7200 | StorageClass& SC); |
7201 | void CheckConstructor(CXXConstructorDecl *Constructor); |
7202 | QualType CheckDestructorDeclarator(Declarator &D, QualType R, |
7203 | StorageClass& SC); |
7204 | bool CheckDestructor(CXXDestructorDecl *Destructor); |
7205 | void CheckConversionDeclarator(Declarator &D, QualType &R, |
7206 | StorageClass& SC); |
7207 | Decl *ActOnConversionDeclarator(CXXConversionDecl *Conversion); |
7208 | void CheckDeductionGuideDeclarator(Declarator &D, QualType &R, |
7209 | StorageClass &SC); |
7210 | void CheckDeductionGuideTemplate(FunctionTemplateDecl *TD); |
7211 | |
7212 | void CheckExplicitlyDefaultedFunction(Scope *S, FunctionDecl *MD); |
7213 | |
7214 | bool CheckExplicitlyDefaultedSpecialMember(CXXMethodDecl *MD, |
7215 | CXXSpecialMember CSM); |
7216 | void CheckDelayedMemberExceptionSpecs(); |
7217 | |
7218 | bool CheckExplicitlyDefaultedComparison(Scope *S, FunctionDecl *MD, |
7219 | DefaultedComparisonKind DCK); |
7220 | void DeclareImplicitEqualityComparison(CXXRecordDecl *RD, |
7221 | FunctionDecl *Spaceship); |
7222 | void DefineDefaultedComparison(SourceLocation Loc, FunctionDecl *FD, |
7223 | DefaultedComparisonKind DCK); |
7224 | |
7225 | |
7226 | |
7227 | |
7228 | |
7229 | |
7230 | CXXBaseSpecifier *CheckBaseSpecifier(CXXRecordDecl *Class, |
7231 | SourceRange SpecifierRange, |
7232 | bool Virtual, AccessSpecifier Access, |
7233 | TypeSourceInfo *TInfo, |
7234 | SourceLocation EllipsisLoc); |
7235 | |
7236 | BaseResult ActOnBaseSpecifier(Decl *classdecl, |
7237 | SourceRange SpecifierRange, |
7238 | ParsedAttributes &Attrs, |
7239 | bool Virtual, AccessSpecifier Access, |
7240 | ParsedType basetype, |
7241 | SourceLocation BaseLoc, |
7242 | SourceLocation EllipsisLoc); |
7243 | |
7244 | bool AttachBaseSpecifiers(CXXRecordDecl *Class, |
7245 | MutableArrayRef<CXXBaseSpecifier *> Bases); |
7246 | void ActOnBaseSpecifiers(Decl *ClassDecl, |
7247 | MutableArrayRef<CXXBaseSpecifier *> Bases); |
7248 | |
7249 | bool IsDerivedFrom(SourceLocation Loc, QualType Derived, QualType Base); |
7250 | bool IsDerivedFrom(SourceLocation Loc, QualType Derived, QualType Base, |
7251 | CXXBasePaths &Paths); |
7252 | |
7253 | |
7254 | void BuildBasePathArray(const CXXBasePaths &Paths, CXXCastPath &BasePath); |
7255 | |
7256 | bool CheckDerivedToBaseConversion(QualType Derived, QualType Base, |
7257 | SourceLocation Loc, SourceRange Range, |
7258 | CXXCastPath *BasePath = nullptr, |
7259 | bool IgnoreAccess = false); |
7260 | bool CheckDerivedToBaseConversion(QualType Derived, QualType Base, |
7261 | unsigned InaccessibleBaseID, |
7262 | unsigned AmbiguousBaseConvID, |
7263 | SourceLocation Loc, SourceRange Range, |
7264 | DeclarationName Name, |
7265 | CXXCastPath *BasePath, |
7266 | bool IgnoreAccess = false); |
7267 | |
7268 | std::string getAmbiguousPathsDisplayString(CXXBasePaths &Paths); |
7269 | |
7270 | bool CheckOverridingFunctionAttributes(const CXXMethodDecl *New, |
7271 | const CXXMethodDecl *Old); |
7272 | |
7273 | |
7274 | |
7275 | bool CheckOverridingFunctionReturnType(const CXXMethodDecl *New, |
7276 | const CXXMethodDecl *Old); |
7277 | |
7278 | |
7279 | |
7280 | bool CheckOverridingFunctionExceptionSpec(const CXXMethodDecl *New, |
7281 | const CXXMethodDecl *Old); |
7282 | |
7283 | bool CheckPureMethod(CXXMethodDecl *Method, SourceRange InitRange); |
7284 | |
7285 | |
7286 | void CheckOverrideControl(NamedDecl *D); |
7287 | |
7288 | |
7289 | |
7290 | void DiagnoseAbsenceOfOverrideControl(NamedDecl *D, bool Inconsistent); |
7291 | |
7292 | |
7293 | |
7294 | |
7295 | bool CheckIfOverriddenFunctionIsMarkedFinal(const CXXMethodDecl *New, |
7296 | const CXXMethodDecl *Old); |
7297 | |
7298 | |
7299 | |
7300 | |
7301 | |
7302 | |
7303 | enum AccessResult { |
7304 | AR_accessible, |
7305 | AR_inaccessible, |
7306 | AR_dependent, |
7307 | AR_delayed |
7308 | }; |
7309 | |
7310 | bool SetMemberAccessSpecifier(NamedDecl *MemberDecl, |
7311 | NamedDecl *PrevMemberDecl, |
7312 | AccessSpecifier LexicalAS); |
7313 | |
7314 | AccessResult CheckUnresolvedMemberAccess(UnresolvedMemberExpr *E, |
7315 | DeclAccessPair FoundDecl); |
7316 | AccessResult CheckUnresolvedLookupAccess(UnresolvedLookupExpr *E, |
7317 | DeclAccessPair FoundDecl); |
7318 | AccessResult CheckAllocationAccess(SourceLocation OperatorLoc, |
7319 | SourceRange PlacementRange, |
7320 | CXXRecordDecl *NamingClass, |
7321 | DeclAccessPair FoundDecl, |
7322 | bool Diagnose = true); |
7323 | AccessResult CheckConstructorAccess(SourceLocation Loc, |
7324 | CXXConstructorDecl *D, |
7325 | DeclAccessPair FoundDecl, |
7326 | const InitializedEntity &Entity, |
7327 | bool IsCopyBindingRefToTemp = false); |
7328 | AccessResult CheckConstructorAccess(SourceLocation Loc, |
7329 | CXXConstructorDecl *D, |
7330 | DeclAccessPair FoundDecl, |
7331 | const InitializedEntity &Entity, |
7332 | const PartialDiagnostic &PDiag); |
7333 | AccessResult CheckDestructorAccess(SourceLocation Loc, |
7334 | CXXDestructorDecl *Dtor, |
7335 | const PartialDiagnostic &PDiag, |
7336 | QualType objectType = QualType()); |
7337 | AccessResult CheckFriendAccess(NamedDecl *D); |
7338 | AccessResult CheckMemberAccess(SourceLocation UseLoc, |
7339 | CXXRecordDecl *NamingClass, |
7340 | DeclAccessPair Found); |
7341 | AccessResult |
7342 | CheckStructuredBindingMemberAccess(SourceLocation UseLoc, |
7343 | CXXRecordDecl *DecomposedClass, |
7344 | DeclAccessPair Field); |
7345 | AccessResult CheckMemberOperatorAccess(SourceLocation Loc, |
7346 | Expr *ObjectExpr, |
7347 | Expr *ArgExpr, |
7348 | DeclAccessPair FoundDecl); |
7349 | AccessResult CheckAddressOfMemberAccess(Expr *OvlExpr, |
7350 | DeclAccessPair FoundDecl); |
7351 | AccessResult CheckBaseClassAccess(SourceLocation AccessLoc, |
7352 | QualType Base, QualType Derived, |
7353 | const CXXBasePath &Path, |
7354 | unsigned DiagID, |
7355 | bool ForceCheck = false, |
7356 | bool ForceUnprivileged = false); |
7357 | void CheckLookupAccess(const LookupResult &R); |
7358 | bool IsSimplyAccessible(NamedDecl *Decl, CXXRecordDecl *NamingClass, |
7359 | QualType BaseType); |
7360 | bool isMemberAccessibleForDeletion(CXXRecordDecl *NamingClass, |
7361 | DeclAccessPair Found, QualType ObjectType, |
7362 | SourceLocation Loc, |
7363 | const PartialDiagnostic &Diag); |
7364 | bool isMemberAccessibleForDeletion(CXXRecordDecl *NamingClass, |
7365 | DeclAccessPair Found, |
7366 | QualType ObjectType) { |
7367 | return isMemberAccessibleForDeletion(NamingClass, Found, ObjectType, |
7368 | SourceLocation(), PDiag()); |
7369 | } |
7370 | |
7371 | void HandleDependentAccessCheck(const DependentDiagnostic &DD, |
7372 | const MultiLevelTemplateArgumentList &TemplateArgs); |
7373 | void PerformDependentDiagnostics(const DeclContext *Pattern, |
7374 | const MultiLevelTemplateArgumentList &TemplateArgs); |
7375 | |
7376 | void HandleDelayedAccessCheck(sema::DelayedDiagnostic &DD, Decl *Ctx); |
7377 | |
7378 | |
7379 | |
7380 | bool AccessCheckingSFINAE; |
7381 | |
7382 | enum AbstractDiagSelID { |
7383 | AbstractNone = -1, |
7384 | AbstractReturnType, |
7385 | AbstractParamType, |
7386 | AbstractVariableType, |
7387 | AbstractFieldType, |
7388 | AbstractIvarType, |
7389 | AbstractSynthesizedIvarType, |
7390 | AbstractArrayType |
7391 | }; |
7392 | |
7393 | bool isAbstractType(SourceLocation Loc, QualType T); |
7394 | bool RequireNonAbstractType(SourceLocation Loc, QualType T, |
7395 | TypeDiagnoser &Diagnoser); |
7396 | template <typename... Ts> |
7397 | bool RequireNonAbstractType(SourceLocation Loc, QualType T, unsigned DiagID, |
7398 | const Ts &...Args) { |
7399 | BoundTypeDiagnoser<Ts...> Diagnoser(DiagID, Args...); |
7400 | return RequireNonAbstractType(Loc, T, Diagnoser); |
7401 | } |
7402 | |
7403 | void DiagnoseAbstractType(const CXXRecordDecl *RD); |
7404 | |
7405 | |
7406 | |
7407 | |
7408 | |
7409 | bool CheckOverloadedOperatorDeclaration(FunctionDecl *FnDecl); |
7410 | |
7411 | bool CheckLiteralOperatorDeclaration(FunctionDecl *FnDecl); |
7412 | |
7413 | |
7414 | |
7415 | |
7416 | void FilterAcceptableTemplateNames(LookupResult &R, |
7417 | bool AllowFunctionTemplates = true, |
7418 | bool AllowDependent = true); |
7419 | bool hasAnyAcceptableTemplateNames(LookupResult &R, |
7420 | bool AllowFunctionTemplates = true, |
7421 | bool AllowDependent = true, |
7422 | bool AllowNonTemplateFunctions = false); |
7423 | |
7424 | |
7425 | |
7426 | |
7427 | |
7428 | |
7429 | |
7430 | static NamedDecl *getAsTemplateNameDecl(NamedDecl *D, |
7431 | bool AllowFunctionTemplates = true, |
7432 | bool AllowDependent = true); |
7433 | |
7434 | enum TemplateNameIsRequiredTag { TemplateNameIsRequired }; |
7435 | |
7436 | class RequiredTemplateKind { |
7437 | public: |
7438 | |
7439 | RequiredTemplateKind(SourceLocation TemplateKWLoc = SourceLocation()) |
7440 | : TemplateKW(TemplateKWLoc) {} |
7441 | |
7442 | RequiredTemplateKind(TemplateNameIsRequiredTag) : TemplateKW() {} |
7443 | |
7444 | SourceLocation getTemplateKeywordLoc() const { |
7445 | return TemplateKW.getValueOr(SourceLocation()); |
7446 | } |
7447 | bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } |
7448 | bool isRequired() const { return TemplateKW != SourceLocation(); } |
7449 | explicit operator bool() const { return isRequired(); } |
7450 | |
7451 | private: |
7452 | llvm::Optional<SourceLocation> TemplateKW; |
7453 | }; |
7454 | |
7455 | enum class AssumedTemplateKind { |
7456 | |
7457 | None, |
7458 | |
7459 | FoundNothing, |
7460 | |
7461 | |
7462 | FoundFunctions, |
7463 | }; |
7464 | bool LookupTemplateName( |
7465 | LookupResult &R, Scope *S, CXXScopeSpec &SS, QualType ObjectType, |
7466 | bool EnteringContext, bool &MemberOfUnknownSpecialization, |
7467 | RequiredTemplateKind RequiredTemplate = SourceLocation(), |
7468 | AssumedTemplateKind *ATK = nullptr, bool AllowTypoCorrection = true); |
7469 | |
7470 | TemplateNameKind isTemplateName(Scope *S, |
7471 | CXXScopeSpec &SS, |
7472 | bool hasTemplateKeyword, |
7473 | const UnqualifiedId &Name, |
7474 | ParsedType ObjectType, |
7475 | bool EnteringContext, |
7476 | TemplateTy &Template, |
7477 | bool &MemberOfUnknownSpecialization, |
7478 | bool Disambiguation = false); |
7479 | |
7480 | |
7481 | |
7482 | |
7483 | |
7484 | |
7485 | void ActOnUndeclaredTypeTemplateName(Scope *S, TemplateTy &Name, |
7486 | TemplateNameKind &TNK, |
7487 | SourceLocation NameLoc, |
7488 | IdentifierInfo *&II); |
7489 | |
7490 | bool resolveAssumedTemplateNameAsType(Scope *S, TemplateName &Name, |
7491 | SourceLocation NameLoc, |
7492 | bool Diagnose = true); |
7493 | |
7494 | |
7495 | |
7496 | bool isDeductionGuideName(Scope *S, const IdentifierInfo &Name, |
7497 | SourceLocation NameLoc, |
7498 | ParsedTemplateTy *Template = nullptr); |
7499 | |
7500 | bool DiagnoseUnknownTemplateName(const IdentifierInfo &II, |
7501 | SourceLocation IILoc, |
7502 | Scope *S, |
7503 | const CXXScopeSpec *SS, |
7504 | TemplateTy &SuggestedTemplate, |
7505 | TemplateNameKind &SuggestedKind); |
7506 | |
7507 | bool DiagnoseUninstantiableTemplate(SourceLocation PointOfInstantiation, |
7508 | NamedDecl *Instantiation, |
7509 | bool InstantiatedFromMember, |
7510 | const NamedDecl *Pattern, |
7511 | const NamedDecl *PatternDef, |
7512 | TemplateSpecializationKind TSK, |
7513 | bool Complain = true); |
7514 | |
7515 | void DiagnoseTemplateParameterShadow(SourceLocation Loc, Decl *PrevDecl); |
7516 | TemplateDecl *AdjustDeclIfTemplate(Decl *&Decl); |
7517 | |
7518 | NamedDecl *ActOnTypeParameter(Scope *S, bool Typename, |
7519 | SourceLocation EllipsisLoc, |
7520 | SourceLocation KeyLoc, |
7521 | IdentifierInfo *ParamName, |
7522 | SourceLocation ParamNameLoc, |
7523 | unsigned Depth, unsigned Position, |
7524 | SourceLocation EqualLoc, |
7525 | ParsedType DefaultArg, bool HasTypeConstraint); |
7526 | |
7527 | bool ActOnTypeConstraint(const CXXScopeSpec &SS, |
7528 | TemplateIdAnnotation *TypeConstraint, |
7529 | TemplateTypeParmDecl *ConstrainedParameter, |
7530 | SourceLocation EllipsisLoc); |
7531 | bool BuildTypeConstraint(const CXXScopeSpec &SS, |
7532 | TemplateIdAnnotation *TypeConstraint, |
7533 | TemplateTypeParmDecl *ConstrainedParameter, |
7534 | SourceLocation EllipsisLoc, |
7535 | bool AllowUnexpandedPack); |
7536 | |
7537 | bool AttachTypeConstraint(NestedNameSpecifierLoc NS, |
7538 | DeclarationNameInfo NameInfo, |
7539 | ConceptDecl *NamedConcept, |
7540 | const TemplateArgumentListInfo *TemplateArgs, |
7541 | TemplateTypeParmDecl *ConstrainedParameter, |
7542 | SourceLocation EllipsisLoc); |
7543 | |
7544 | bool AttachTypeConstraint(AutoTypeLoc TL, |
7545 | NonTypeTemplateParmDecl *ConstrainedParameter, |
7546 | SourceLocation EllipsisLoc); |
7547 | |
7548 | bool RequireStructuralType(QualType T, SourceLocation Loc); |
7549 | |
7550 | QualType CheckNonTypeTemplateParameterType(TypeSourceInfo *&TSI, |
7551 | SourceLocation Loc); |
7552 | QualType CheckNonTypeTemplateParameterType(QualType T, SourceLocation Loc); |
7553 | |
7554 | NamedDecl *ActOnNonTypeTemplateParameter(Scope *S, Declarator &D, |
7555 | unsigned Depth, |
7556 | unsigned Position, |
7557 | SourceLocation EqualLoc, |
7558 | Expr *DefaultArg); |
7559 | NamedDecl *ActOnTemplateTemplateParameter(Scope *S, |
7560 | SourceLocation TmpLoc, |
7561 | TemplateParameterList *Params, |
7562 | SourceLocation EllipsisLoc, |
7563 | IdentifierInfo *ParamName, |
7564 | SourceLocation ParamNameLoc, |
7565 | unsigned Depth, |
7566 | unsigned Position, |
7567 | SourceLocation EqualLoc, |
7568 | ParsedTemplateArgument DefaultArg); |
7569 | |
7570 | TemplateParameterList * |
7571 | ActOnTemplateParameterList(unsigned Depth, |
7572 | SourceLocation ExportLoc, |
7573 | SourceLocation TemplateLoc, |
7574 | SourceLocation LAngleLoc, |
7575 | ArrayRef<NamedDecl *> Params, |
7576 | SourceLocation RAngleLoc, |
7577 | Expr *RequiresClause); |
7578 | |
7579 | |
7580 | enum TemplateParamListContext { |
7581 | TPC_ClassTemplate, |
7582 | TPC_VarTemplate, |
7583 | TPC_FunctionTemplate, |
7584 | TPC_ClassTemplateMember, |
7585 | TPC_FriendClassTemplate, |
7586 | TPC_FriendFunctionTemplate, |
7587 | TPC_FriendFunctionTemplateDefinition, |
7588 | TPC_TypeAliasTemplate |
7589 | }; |
7590 | |
7591 | bool CheckTemplateParameterList(TemplateParameterList *NewParams, |
7592 | TemplateParameterList *OldParams, |
7593 | TemplateParamListContext TPC, |
7594 | SkipBodyInfo *SkipBody = nullptr); |
7595 | TemplateParameterList *MatchTemplateParametersToScopeSpecifier( |
7596 | SourceLocation DeclStartLoc, SourceLocation DeclLoc, |
7597 | const CXXScopeSpec &SS, TemplateIdAnnotation *TemplateId, |
7598 | ArrayRef<TemplateParameterList *> ParamLists, |
7599 | bool IsFriend, bool &IsMemberSpecialization, bool &Invalid, |
7600 | bool SuppressDiagnostic = false); |
7601 | |
7602 | DeclResult CheckClassTemplate( |
7603 | Scope *S, unsigned TagSpec, TagUseKind TUK, SourceLocation KWLoc, |
7604 | CXXScopeSpec &SS, IdentifierInfo *Name, SourceLocation NameLoc, |
7605 | const ParsedAttributesView &Attr, TemplateParameterList *TemplateParams, |
7606 | AccessSpecifier AS, SourceLocation ModulePrivateLoc, |
7607 | SourceLocation FriendLoc, unsigned NumOuterTemplateParamLists, |
7608 | TemplateParameterList **OuterTemplateParamLists, |
7609 | SkipBodyInfo *SkipBody = nullptr); |
7610 | |
7611 | TemplateArgumentLoc getTrivialTemplateArgumentLoc(const TemplateArgument &Arg, |
7612 | QualType NTTPType, |
7613 | SourceLocation Loc); |
7614 | |
7615 | |
7616 | |
7617 | |
7618 | TemplateArgumentLoc getIdentityTemplateArgumentLoc(NamedDecl *Param, |
7619 | SourceLocation Location); |
7620 | |
7621 | void translateTemplateArguments(const ASTTemplateArgsPtr &In, |
7622 | TemplateArgumentListInfo &Out); |
7623 | |
7624 | ParsedTemplateArgument ActOnTemplateTypeArgument(TypeResult ParsedType); |
7625 | |
7626 | void NoteAllFoundTemplates(TemplateName Name); |
7627 | |
7628 | QualType CheckTemplateIdType(TemplateName Template, |
7629 | SourceLocation TemplateLoc, |
7630 | TemplateArgumentListInfo &TemplateArgs); |
7631 | |
7632 | TypeResult |
7633 | ActOnTemplateIdType(Scope *S, CXXScopeSpec &SS, SourceLocation TemplateKWLoc, |
7634 | TemplateTy Template, IdentifierInfo *TemplateII, |
7635 | SourceLocation TemplateIILoc, SourceLocation LAngleLoc, |
7636 | ASTTemplateArgsPtr TemplateArgs, SourceLocation RAngleLoc, |
7637 | bool IsCtorOrDtorName = false, bool IsClassName = false); |
7638 | |
7639 | |
7640 | |
7641 | TypeResult ActOnTagTemplateIdType(TagUseKind TUK, |
7642 | TypeSpecifierType TagSpec, |
7643 | SourceLocation TagLoc, |
7644 | CXXScopeSpec &SS, |
7645 | SourceLocation TemplateKWLoc, |
7646 | TemplateTy TemplateD, |
7647 | SourceLocation TemplateLoc, |
7648 | SourceLocation LAngleLoc, |
7649 | ASTTemplateArgsPtr TemplateArgsIn, |
7650 | SourceLocation RAngleLoc); |
7651 | |
7652 | DeclResult ActOnVarTemplateSpecialization( |
7653 | Scope *S, Declarator &D, TypeSourceInfo *DI, |
7654 | SourceLocation TemplateKWLoc, TemplateParameterList *TemplateParams, |
7655 | StorageClass SC, bool IsPartialSpecialization); |
7656 | |
7657 | |
7658 | |
7659 | |
7660 | DeclResult CheckVarTemplateId(VarTemplateDecl *Template, |
7661 | SourceLocation TemplateLoc, |
7662 | SourceLocation TemplateNameLoc, |
7663 | const TemplateArgumentListInfo &TemplateArgs); |
7664 | |
7665 | |
7666 | |
7667 | |
7668 | ExprResult CheckVarTemplateId(const CXXScopeSpec &SS, |
7669 | const DeclarationNameInfo &NameInfo, |
7670 | VarTemplateDecl *Template, |
7671 | SourceLocation TemplateLoc, |
7672 | const TemplateArgumentListInfo *TemplateArgs); |
7673 | |
7674 | ExprResult |
7675 | CheckConceptTemplateId(const CXXScopeSpec &SS, |
7676 | SourceLocation TemplateKWLoc, |
7677 | const DeclarationNameInfo &ConceptNameInfo, |
7678 | NamedDecl *FoundDecl, ConceptDecl *NamedConcept, |
7679 | const TemplateArgumentListInfo *TemplateArgs); |
7680 | |
7681 | void diagnoseMissingTemplateArguments(TemplateName Name, SourceLocation Loc); |
7682 | |
7683 | ExprResult BuildTemplateIdExpr(const CXXScopeSpec &SS, |
7684 | SourceLocation TemplateKWLoc, |
7685 | LookupResult &R, |
7686 | bool RequiresADL, |
7687 | const TemplateArgumentListInfo *TemplateArgs); |
7688 | |
7689 | ExprResult BuildQualifiedTemplateIdExpr(CXXScopeSpec &SS, |
7690 | SourceLocation TemplateKWLoc, |
7691 | const DeclarationNameInfo &NameInfo, |
7692 | const TemplateArgumentListInfo *TemplateArgs); |
7693 | |
7694 | TemplateNameKind ActOnTemplateName( |
7695 | Scope *S, CXXScopeSpec &SS, SourceLocation TemplateKWLoc, |
7696 | const UnqualifiedId &Name, ParsedType ObjectType, bool EnteringContext, |
7697 | TemplateTy &Template, bool AllowInjectedClassName = false); |
7698 | |
7699 | DeclResult ActOnClassTemplateSpecialization( |
7700 | Scope *S, unsigned TagSpec, TagUseKind TUK, SourceLocation KWLoc, |
7701 | SourceLocation ModulePrivateLoc, CXXScopeSpec &SS, |
7702 | TemplateIdAnnotation &TemplateId, const ParsedAttributesView &Attr, |
7703 | MultiTemplateParamsArg TemplateParameterLists, |
7704 | SkipBodyInfo *SkipBody = nullptr); |
7705 | |
7706 | bool CheckTemplatePartialSpecializationArgs(SourceLocation Loc, |
7707 | TemplateDecl *PrimaryTemplate, |
7708 | unsigned NumExplicitArgs, |
7709 | ArrayRef<TemplateArgument> Args); |
7710 | void CheckTemplatePartialSpecialization( |
7711 | ClassTemplatePartialSpecializationDecl *Partial); |
7712 | void CheckTemplatePartialSpecialization( |
7713 | VarTemplatePartialSpecializationDecl *Partial); |
7714 | |
7715 | Decl *ActOnTemplateDeclarator(Scope *S, |
7716 | MultiTemplateParamsArg TemplateParameterLists, |
7717 | Declarator &D); |
7718 | |
7719 | bool |
7720 | CheckSpecializationInstantiationRedecl(SourceLocation NewLoc, |
7721 | TemplateSpecializationKind NewTSK, |
7722 | NamedDecl *PrevDecl, |
7723 | TemplateSpecializationKind PrevTSK, |
7724 | SourceLocation PrevPtOfInstantiation, |
7725 | bool &SuppressNew); |
7726 | |
7727 | bool CheckDependentFunctionTemplateSpecialization(FunctionDecl *FD, |
7728 | const TemplateArgumentListInfo &ExplicitTemplateArgs, |
7729 | LookupResult &Previous); |
7730 | |
7731 | bool CheckFunctionTemplateSpecialization( |
7732 | FunctionDecl *FD, TemplateArgumentListInfo *ExplicitTemplateArgs, |
7733 | LookupResult &Previous, bool QualifiedFriend = false); |
7734 | bool CheckMemberSpecialization(NamedDecl *Member, LookupResult &Previous); |
7735 | void CompleteMemberSpecialization(NamedDecl *Member, LookupResult &Previous); |
7736 | |
7737 | DeclResult ActOnExplicitInstantiation( |
7738 | Scope *S, SourceLocation ExternLoc, SourceLocation TemplateLoc, |
7739 | unsigned TagSpec, SourceLocation KWLoc, const CXXScopeSpec &SS, |
7740 | TemplateTy Template, SourceLocation TemplateNameLoc, |
7741 | SourceLocation LAngleLoc, ASTTemplateArgsPtr TemplateArgs, |
7742 | SourceLocation RAngleLoc, const ParsedAttributesView &Attr); |
7743 | |
7744 | DeclResult ActOnExplicitInstantiation(Scope *S, SourceLocation ExternLoc, |
7745 | SourceLocation TemplateLoc, |
7746 | unsigned TagSpec, SourceLocation KWLoc, |
7747 | CXXScopeSpec &SS, IdentifierInfo *Name, |
7748 | SourceLocation NameLoc, |
7749 | const ParsedAttributesView &Attr); |
7750 | |
7751 | DeclResult ActOnExplicitInstantiation(Scope *S, |
7752 | SourceLocation ExternLoc, |
7753 | SourceLocation TemplateLoc, |
7754 | Declarator &D); |
7755 | |
7756 | TemplateArgumentLoc |
7757 | SubstDefaultTemplateArgumentIfAvailable(TemplateDecl *Template, |
7758 | SourceLocation TemplateLoc, |
7759 | SourceLocation RAngleLoc, |
7760 | Decl *Param, |
7761 | SmallVectorImpl<TemplateArgument> |
7762 | &Converted, |
7763 | bool &HasDefaultArg); |
7764 | |
7765 | |
7766 | |
7767 | enum CheckTemplateArgumentKind { |
7768 | |
7769 | |
7770 | CTAK_Specified, |
7771 | |
7772 | |
7773 | |
7774 | CTAK_Deduced, |
7775 | |
7776 | |
7777 | |
7778 | CTAK_DeducedFromArrayBound |
7779 | }; |
7780 | |
7781 | bool CheckTemplateArgument(NamedDecl *Param, |
7782 | TemplateArgumentLoc &Arg, |
7783 | NamedDecl *Template, |
7784 | SourceLocation TemplateLoc, |
7785 | SourceLocation RAngleLoc, |
7786 | unsigned ArgumentPackIndex, |
7787 | SmallVectorImpl<TemplateArgument> &Converted, |
7788 | CheckTemplateArgumentKind CTAK = CTAK_Specified); |
7789 | |
7790 | |
7791 | |
7792 | |
7793 | |
7794 | |
7795 | |
7796 | |
7797 | |
7798 | |
7799 | |
7800 | |
7801 | |
7802 | |
7803 | |
7804 | |
7805 | |
7806 | |
7807 | |
7808 | |
7809 | |
7810 | |
7811 | |
7812 | |
7813 | |
7814 | |
7815 | |
7816 | |
7817 | |
7818 | |
7819 | bool CheckTemplateArgumentList(TemplateDecl *Template, |
7820 | SourceLocation TemplateLoc, |
7821 | TemplateArgumentListInfo &TemplateArgs, |
7822 | bool PartialTemplateArgs, |
7823 | SmallVectorImpl<TemplateArgument> &Converted, |
7824 | bool UpdateArgsWithConversions = true, |
7825 | bool *ConstraintsNotSatisfied = nullptr); |
7826 | |
7827 | bool CheckTemplateTypeArgument(TemplateTypeParmDecl *Param, |
7828 | TemplateArgumentLoc &Arg, |
7829 | SmallVectorImpl<TemplateArgument> &Converted); |
7830 | |
7831 | bool CheckTemplateArgument(TypeSourceInfo *Arg); |
7832 | ExprResult CheckTemplateArgument(NonTypeTemplateParmDecl *Param, |
7833 | QualType InstantiatedParamType, Expr *Arg, |
7834 | TemplateArgument &Converted, |
7835 | CheckTemplateArgumentKind CTAK = CTAK_Specified); |
7836 | bool CheckTemplateTemplateArgument(TemplateTemplateParmDecl *Param, |
7837 | TemplateParameterList *Params, |
7838 | TemplateArgumentLoc &Arg); |
7839 | |
7840 | ExprResult |
7841 | BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg, |
7842 | QualType ParamType, |
7843 | SourceLocation Loc); |
7844 | ExprResult |
7845 | BuildExpressionFromIntegralTemplateArgument(const TemplateArgument &Arg, |
7846 | SourceLocation Loc); |
7847 | |
7848 | |
7849 | |
7850 | enum TemplateParameterListEqualKind { |
7851 | |
7852 | |
7853 | |
7854 | |
7855 | |
7856 | |
7857 | |
7858 | TPL_TemplateMatch, |
7859 | |
7860 | |
7861 | |
7862 | |
7863 | |
7864 | |
7865 | |
7866 | |
7867 | |
7868 | TPL_TemplateTemplateParmMatch, |
7869 | |
7870 | |
7871 | |
7872 | |
7873 | |
7874 | |
7875 | |
7876 | |
7877 | |
7878 | |
7879 | TPL_TemplateTemplateArgumentMatch |
7880 | }; |
7881 | |
7882 | bool TemplateParameterListsAreEqual(TemplateParameterList *New, |
7883 | TemplateParameterList *Old, |
7884 | bool Complain, |
7885 | TemplateParameterListEqualKind Kind, |
7886 | SourceLocation TemplateArgLoc |
7887 | = SourceLocation()); |
7888 | |
7889 | bool CheckTemplateDeclScope(Scope *S, TemplateParameterList *TemplateParams); |
7890 | |
7891 | |
7892 | |
7893 | |
7894 | |
7895 | |
7896 | |
7897 | |
7898 | |
7899 | TypeResult |
7900 | ActOnTypenameType(Scope *S, SourceLocation TypenameLoc, |
7901 | const CXXScopeSpec &SS, const IdentifierInfo &II, |
7902 | SourceLocation IdLoc); |
7903 | |
7904 | |
7905 | |
7906 | |
7907 | |
7908 | |
7909 | |
7910 | |
7911 | |
7912 | |
7913 | |
7914 | |
7915 | |
7916 | |
7917 | |
7918 | TypeResult |
7919 | ActOnTypenameType(Scope *S, SourceLocation TypenameLoc, |
7920 | const CXXScopeSpec &SS, |
7921 | SourceLocation TemplateLoc, |
7922 | TemplateTy TemplateName, |
7923 | IdentifierInfo *TemplateII, |
7924 | SourceLocation TemplateIILoc, |
7925 | SourceLocation LAngleLoc, |
7926 | ASTTemplateArgsPtr TemplateArgs, |
7927 | SourceLocation RAngleLoc); |
7928 | |
7929 | QualType CheckTypenameType(ElaboratedTypeKeyword Keyword, |
7930 | SourceLocation KeywordLoc, |
7931 | NestedNameSpecifierLoc QualifierLoc, |
7932 | const IdentifierInfo &II, |
7933 | SourceLocation IILoc, |
7934 | TypeSourceInfo **TSI, |
7935 | bool DeducedTSTContext); |
7936 | |
7937 | QualType CheckTypenameType(ElaboratedTypeKeyword Keyword, |
7938 | SourceLocation KeywordLoc, |
7939 | NestedNameSpecifierLoc QualifierLoc, |
7940 | const IdentifierInfo &II, |
7941 | SourceLocation IILoc, |
7942 | bool DeducedTSTContext = true); |
7943 | |
7944 | |
7945 | TypeSourceInfo *RebuildTypeInCurrentInstantiation(TypeSourceInfo *T, |
7946 | SourceLocation Loc, |
7947 | DeclarationName Name); |
7948 | bool RebuildNestedNameSpecifierInCurrentInstantiation(CXXScopeSpec &SS); |
7949 | |
7950 | ExprResult RebuildExprInCurrentInstantiation(Expr *E); |
7951 | bool RebuildTemplateParamsInCurrentInstantiation( |
7952 | TemplateParameterList *Params); |
7953 | |
7954 | std::string |
7955 | getTemplateArgumentBindingsText(const TemplateParameterList *Params, |
7956 | const TemplateArgumentList &Args); |
7957 | |
7958 | std::string |
7959 | getTemplateArgumentBindingsText(const TemplateParameterList *Params, |
7960 | const TemplateArgument *Args, |
7961 | unsigned NumArgs); |
7962 | |
7963 | |
7964 | |
7965 | |
7966 | Decl *ActOnConceptDefinition( |
7967 | Scope *S, MultiTemplateParamsArg TemplateParameterLists, |
7968 | IdentifierInfo *Name, SourceLocation NameLoc, Expr *ConstraintExpr); |
7969 | |
7970 | RequiresExprBodyDecl * |
7971 | ActOnStartRequiresExpr(SourceLocation RequiresKWLoc, |
7972 | ArrayRef<ParmVarDecl *> LocalParameters, |
7973 | Scope *BodyScope); |
7974 | void ActOnFinishRequiresExpr(); |
7975 | concepts::Requirement *ActOnSimpleRequirement(Expr *E); |
7976 | concepts::Requirement *ActOnTypeRequirement( |
7977 | SourceLocation TypenameKWLoc, CXXScopeSpec &SS, SourceLocation NameLoc, |
7978 | IdentifierInfo *TypeName, TemplateIdAnnotation *TemplateId); |
7979 | concepts::Requirement *ActOnCompoundRequirement(Expr *E, |
7980 | SourceLocation NoexceptLoc); |
7981 | concepts::Requirement * |
7982 | ActOnCompoundRequirement( |
7983 | Expr *E, SourceLocation NoexceptLoc, CXXScopeSpec &SS, |
7984 | TemplateIdAnnotation *TypeConstraint, unsigned Depth); |
7985 | concepts::Requirement *ActOnNestedRequirement(Expr *Constraint); |
7986 | concepts::ExprRequirement * |
7987 | BuildExprRequirement( |
7988 | Expr *E, bool IsSatisfied, SourceLocation NoexceptLoc, |
7989 | concepts::ExprRequirement::ReturnTypeRequirement ReturnTypeRequirement); |
7990 | concepts::ExprRequirement * |
7991 | BuildExprRequirement( |
7992 | concepts::Requirement::SubstitutionDiagnostic *ExprSubstDiag, |
7993 | bool IsSatisfied, SourceLocation NoexceptLoc, |
7994 | concepts::ExprRequirement::ReturnTypeRequirement ReturnTypeRequirement); |
7995 | concepts::TypeRequirement *BuildTypeRequirement(TypeSourceInfo *Type); |
7996 | concepts::TypeRequirement * |
7997 | BuildTypeRequirement( |
7998 | concepts::Requirement::SubstitutionDiagnostic *SubstDiag); |
7999 | concepts::NestedRequirement *BuildNestedRequirement(Expr *E); |
8000 | concepts::NestedRequirement * |
8001 | BuildNestedRequirement( |
8002 | concepts::Requirement::SubstitutionDiagnostic *SubstDiag); |
8003 | ExprResult ActOnRequiresExpr(SourceLocation RequiresKWLoc, |
8004 | RequiresExprBodyDecl *Body, |
8005 | ArrayRef<ParmVarDecl *> LocalParameters, |
8006 | ArrayRef<concepts::Requirement *> Requirements, |
8007 | SourceLocation ClosingBraceLoc); |
8008 | |
8009 | |
8010 | |
8011 | |
8012 | |
8013 | |
8014 | |
8015 | bool isUnexpandedParameterPackPermitted(); |
8016 | |
8017 | |
8018 | |
8019 | |
8020 | |
8021 | |
8022 | enum UnexpandedParameterPackContext { |
8023 | |
8024 | UPPC_Expression = 0, |
8025 | |
8026 | |
8027 | UPPC_BaseType, |
8028 | |
8029 | |
8030 | UPPC_DeclarationType, |
8031 | |
8032 | |
8033 | UPPC_DataMemberType, |
8034 | |
8035 | |
8036 | UPPC_BitFieldWidth, |
8037 | |
8038 | |
8039 | UPPC_StaticAssertExpression, |
8040 | |
8041 | |
8042 | UPPC_FixedUnderlyingType, |
8043 | |
8044 | |
8045 | UPPC_EnumeratorValue, |
8046 | |
8047 | |
8048 | UPPC_UsingDeclaration, |
8049 | |
8050 | |
8051 | UPPC_FriendDeclaration, |
8052 | |
8053 | |
8054 | UPPC_DeclarationQualifier, |
8055 | |
8056 | |
8057 | UPPC_Initializer, |
8058 | |
8059 | |
8060 | UPPC_DefaultArgument, |
8061 | |
8062 | |
8063 | UPPC_NonTypeTemplateParameterType, |
8064 | |
8065 | |
8066 | UPPC_ExceptionType, |
8067 | |
8068 | |
8069 | UPPC_PartialSpecialization, |
8070 | |
8071 | |
8072 | UPPC_IfExists, |
8073 | |
8074 | |
8075 | UPPC_IfNotExists, |
8076 | |
8077 | |
8078 | UPPC_Lambda, |
8079 | |
8080 | |
8081 | UPPC_Block, |
8082 | |
8083 | |
8084 | UPPC_TypeConstraint, |
8085 | |
8086 | |
8087 | UPPC_Requirement, |
8088 | |
8089 | |
8090 | UPPC_RequiresClause, |
8091 | }; |
8092 | |
8093 | |
8094 | |
8095 | |
8096 | |
8097 | |
8098 | |
8099 | |
8100 | |
8101 | |
8102 | |
8103 | bool DiagnoseUnexpandedParameterPacks(SourceLocation Loc, |
8104 | UnexpandedParameterPackContext UPPC, |
8105 | ArrayRef<UnexpandedParameterPack> Unexpanded); |
8106 | |
8107 | |
8108 | |
8109 | |
8110 | |
8111 | |
8112 | |
8113 | |
8114 | |
8115 | |
8116 | bool DiagnoseUnexpandedParameterPack(SourceLocation Loc, TypeSourceInfo *T, |
8117 | UnexpandedParameterPackContext UPPC); |
8118 | |
8119 | |
8120 | |
8121 | |
8122 | |
8123 | |
8124 | |
8125 | |
8126 | bool DiagnoseUnexpandedParameterPack(Expr *E, |
8127 | UnexpandedParameterPackContext UPPC = UPPC_Expression); |
8128 | |
8129 | |
8130 | |
8131 | |
8132 | |
8133 | |
8134 | |
8135 | |
8136 | bool DiagnoseUnexpandedParameterPackInRequiresExpr(RequiresExpr *RE); |
8137 | |
8138 | |
8139 | |
8140 | |
8141 | |
8142 | |
8143 | |
8144 | |
8145 | bool DiagnoseUnexpandedParameterPack(const CXXScopeSpec &SS, |
8146 | UnexpandedParameterPackContext UPPC); |
8147 | |
8148 | |
8149 | |
8150 | |
8151 | |
8152 | |
8153 | |
8154 | |
8155 | bool DiagnoseUnexpandedParameterPack(const DeclarationNameInfo &NameInfo, |
8156 | UnexpandedParameterPackContext UPPC); |
8157 | |
8158 | |
8159 | |
8160 | |
8161 | |
8162 | |
8163 | |
8164 | |
8165 | |
8166 | |
8167 | bool DiagnoseUnexpandedParameterPack(SourceLocation Loc, |
8168 | TemplateName Template, |
8169 | UnexpandedParameterPackContext UPPC); |
8170 | |
8171 | |
8172 | |
8173 | |
8174 | |
8175 | |
8176 | |
8177 | |
8178 | bool DiagnoseUnexpandedParameterPack(TemplateArgumentLoc Arg, |
8179 | UnexpandedParameterPackContext UPPC); |
8180 | |
8181 | |
8182 | |
8183 | |
8184 | |
8185 | |
8186 | void collectUnexpandedParameterPacks(TemplateArgument Arg, |
8187 | SmallVectorImpl<UnexpandedParameterPack> &Unexpanded); |
8188 | |
8189 | |
8190 | |
8191 | |
8192 | |
8193 | |
8194 | void collectUnexpandedParameterPacks(TemplateArgumentLoc Arg, |
8195 | SmallVectorImpl<UnexpandedParameterPack> &Unexpanded); |
8196 | |
8197 | |
8198 | |
8199 | |
8200 | |
8201 | |
8202 | void collectUnexpandedParameterPacks(QualType T, |
8203 | SmallVectorImpl<UnexpandedParameterPack> &Unexpanded); |
8204 | |
8205 | |
8206 | |
8207 | |
8208 | |
8209 | |
8210 | void collectUnexpandedParameterPacks(TypeLoc TL, |
8211 | SmallVectorImpl<UnexpandedParameterPack> &Unexpanded); |
8212 | |
8213 | |
8214 | |
8215 | |
8216 | |
8217 | |
8218 | void collectUnexpandedParameterPacks(NestedNameSpecifierLoc NNS, |
8219 | SmallVectorImpl<UnexpandedParameterPack> &Unexpanded); |
8220 | |
8221 | |
8222 | |
8223 | |
8224 | |
8225 | |
8226 | void collectUnexpandedParameterPacks(const DeclarationNameInfo &NameInfo, |
8227 | SmallVectorImpl<UnexpandedParameterPack> &Unexpanded); |
8228 | |
8229 | |
8230 | |
8231 | |
8232 | |
8233 | |
8234 | |
8235 | |
8236 | ParsedTemplateArgument ActOnPackExpansion(const ParsedTemplateArgument &Arg, |
8237 | SourceLocation EllipsisLoc); |
8238 | |
8239 | |
8240 | |
8241 | |
8242 | |
8243 | |
8244 | |
8245 | |
8246 | TypeResult ActOnPackExpansion(ParsedType Type, SourceLocation EllipsisLoc); |
8247 | |
8248 | |
8249 | |
8250 | TypeSourceInfo *CheckPackExpansion(TypeSourceInfo *Pattern, |
8251 | SourceLocation EllipsisLoc, |
8252 | Optional<unsigned> NumExpansions); |
8253 | |
8254 | |
8255 | |
8256 | QualType CheckPackExpansion(QualType Pattern, |
8257 | SourceRange PatternRange, |
8258 | SourceLocation EllipsisLoc, |
8259 | Optional<unsigned> NumExpansions); |
8260 | |
8261 | |
8262 | |
8263 | |
8264 | |
8265 | |
8266 | |
8267 | |
8268 | ExprResult ActOnPackExpansion(Expr *Pattern, SourceLocation EllipsisLoc); |
8269 | |
8270 | |
8271 | |
8272 | |
8273 | |
8274 | |
8275 | |
8276 | |
8277 | ExprResult CheckPackExpansion(Expr *Pattern, SourceLocation EllipsisLoc, |
8278 | Optional<unsigned> NumExpansions); |
8279 | |
8280 | |
8281 | |
8282 | |
8283 | |
8284 | |
8285 | |
8286 | |
8287 | |
8288 | |
8289 | |
8290 | |
8291 | |
8292 | |
8293 | |
8294 | |
8295 | |
8296 | |
8297 | |
8298 | |
8299 | |
8300 | |
8301 | |
8302 | |
8303 | |
8304 | |
8305 | |
8306 | |
8307 | |
8308 | |
8309 | |
8310 | |
8311 | |
8312 | |
8313 | |
8314 | bool CheckParameterPacksForExpansion(SourceLocation EllipsisLoc, |
8315 | SourceRange PatternRange, |
8316 | ArrayRef<UnexpandedParameterPack> Unexpanded, |
8317 | const MultiLevelTemplateArgumentList &TemplateArgs, |
8318 | bool &ShouldExpand, |
8319 | bool &RetainExpansion, |
8320 | Optional<unsigned> &NumExpansions); |
8321 | |
8322 | |
8323 | |
8324 | |
8325 | |
8326 | |
8327 | |
8328 | |
8329 | Optional<unsigned> getNumArgumentsInExpansion(QualType T, |
8330 | const MultiLevelTemplateArgumentList &TemplateArgs); |
8331 | |
8332 | |
8333 | |
8334 | |
8335 | |
8336 | |
8337 | |
8338 | |
8339 | |
8340 | |
8341 | |
8342 | |
8343 | |
8344 | |
8345 | |
8346 | |
8347 | bool containsUnexpandedParameterPacks(Declarator &D); |
8348 | |
8349 | |
8350 | |
8351 | |
8352 | |
8353 | |
8354 | |
8355 | |
8356 | |
8357 | TemplateArgumentLoc getTemplateArgumentPackExpansionPattern( |
8358 | TemplateArgumentLoc OrigLoc, |
8359 | SourceLocation &Ellipsis, |
8360 | Optional<unsigned> &NumExpansions) const; |
8361 | |
8362 | |
8363 | |
8364 | |
8365 | |
8366 | |
8367 | |
8368 | Optional<unsigned> getFullyPackExpandedSize(TemplateArgument Arg); |
8369 | |
8370 | |
8371 | |
8372 | |
8373 | |
8374 | |
8375 | |
8376 | |
8377 | |
8378 | QualType adjustCCAndNoReturn(QualType ArgFunctionType, QualType FunctionType, |
8379 | bool AdjustExceptionSpec = false); |
8380 | |
8381 | |
8382 | |
8383 | |
8384 | |
8385 | |
8386 | |
8387 | |
8388 | |
8389 | |
8390 | enum TemplateDeductionResult { |
8391 | |
8392 | TDK_Success = 0, |
8393 | |
8394 | TDK_Invalid, |
8395 | |
8396 | |
8397 | TDK_InstantiationDepth, |
8398 | |
8399 | |
8400 | TDK_Incomplete, |
8401 | |
8402 | |
8403 | TDK_IncompletePack, |
8404 | |
8405 | |
8406 | TDK_Inconsistent, |
8407 | |
8408 | |
8409 | |
8410 | |
8411 | TDK_Underqualified, |
8412 | |
8413 | |
8414 | TDK_SubstitutionFailure, |
8415 | |
8416 | |
8417 | TDK_DeducedMismatch, |
8418 | |
8419 | |
8420 | |
8421 | TDK_DeducedMismatchNested, |
8422 | |
8423 | |
8424 | TDK_NonDeducedMismatch, |
8425 | |
8426 | |
8427 | TDK_TooManyArguments, |
8428 | |
8429 | |
8430 | TDK_TooFewArguments, |
8431 | |
8432 | |
8433 | TDK_InvalidExplicitArguments, |
8434 | |
8435 | TDK_NonDependentConversionFailure, |
8436 | |
8437 | |
8438 | TDK_ConstraintsNotSatisfied, |
8439 | |
8440 | TDK_MiscellaneousDeductionFailure, |
8441 | |
8442 | TDK_CUDATargetMismatch |
8443 | }; |
8444 | |
8445 | TemplateDeductionResult |
8446 | DeduceTemplateArguments(ClassTemplatePartialSpecializationDecl *Partial, |
8447 | const TemplateArgumentList &TemplateArgs, |
8448 | sema::TemplateDeductionInfo &Info); |
8449 | |
8450 | TemplateDeductionResult |
8451 | DeduceTemplateArguments(VarTemplatePartialSpecializationDecl *Partial, |
8452 | const TemplateArgumentList &TemplateArgs, |
8453 | sema::TemplateDeductionInfo &Info); |
8454 | |
8455 | TemplateDeductionResult SubstituteExplicitTemplateArguments( |
8456 | FunctionTemplateDecl *FunctionTemplate, |
8457 | TemplateArgumentListInfo &ExplicitTemplateArgs, |
8458 | SmallVectorImpl<DeducedTemplateArgument> &Deduced, |
8459 | SmallVectorImpl<QualType> &ParamTypes, QualType *FunctionType, |
8460 | sema::TemplateDeductionInfo &Info); |
8461 | |
8462 | |
8463 | |
8464 | struct OriginalCallArg { |
8465 | OriginalCallArg(QualType OriginalParamType, bool DecomposedParam, |
8466 | unsigned ArgIdx, QualType OriginalArgType) |
8467 | : OriginalParamType(OriginalParamType), |
8468 | DecomposedParam(DecomposedParam), ArgIdx(ArgIdx), |
8469 | OriginalArgType(OriginalArgType) {} |
8470 | |
8471 | QualType OriginalParamType; |
8472 | bool DecomposedParam; |
8473 | unsigned ArgIdx; |
8474 | QualType OriginalArgType; |
8475 | }; |
8476 | |
8477 | TemplateDeductionResult FinishTemplateArgumentDeduction( |
8478 | FunctionTemplateDecl *FunctionTemplate, |
8479 | SmallVectorImpl<DeducedTemplateArgument> &Deduced, |
8480 | unsigned NumExplicitlySpecified, FunctionDecl *&Specialization, |
8481 | sema::TemplateDeductionInfo &Info, |
8482 | SmallVectorImpl<OriginalCallArg> const *OriginalCallArgs = nullptr, |
8483 | bool PartialOverloading = false, |
8484 | llvm::function_ref<bool()> CheckNonDependent = []{ return false; }); |
8485 | |
8486 | TemplateDeductionResult DeduceTemplateArguments( |
8487 | FunctionTemplateDecl *FunctionTemplate, |
8488 | TemplateArgumentListInfo *ExplicitTemplateArgs, ArrayRef<Expr *> Args, |
8489 | FunctionDecl *&Specialization, sema::TemplateDeductionInfo &Info, |
8490 | bool PartialOverloading, |
8491 | llvm::function_ref<bool(ArrayRef<QualType>)> CheckNonDependent); |
8492 | |
8493 | TemplateDeductionResult |
8494 | DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
8495 | TemplateArgumentListInfo *ExplicitTemplateArgs, |
8496 | QualType ArgFunctionType, |
8497 | FunctionDecl *&Specialization, |
8498 | sema::TemplateDeductionInfo &Info, |
8499 | bool IsAddressOfFunction = false); |
8500 | |
8501 | TemplateDeductionResult |
8502 | DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
8503 | QualType ToType, |
8504 | CXXConversionDecl *&Specialization, |
8505 | sema::TemplateDeductionInfo &Info); |
8506 | |
8507 | TemplateDeductionResult |
8508 | DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
8509 | TemplateArgumentListInfo *ExplicitTemplateArgs, |
8510 | FunctionDecl *&Specialization, |
8511 | sema::TemplateDeductionInfo &Info, |
8512 | bool IsAddressOfFunction = false); |
8513 | |
8514 | |
8515 | QualType SubstAutoType(QualType TypeWithAuto, QualType Replacement); |
8516 | |
8517 | TypeSourceInfo* SubstAutoTypeSourceInfo(TypeSourceInfo *TypeWithAuto, |
8518 | QualType Replacement); |
8519 | |
8520 | |
8521 | QualType ReplaceAutoType(QualType TypeWithAuto, QualType Replacement); |
8522 | TypeSourceInfo *ReplaceAutoTypeSourceInfo(TypeSourceInfo *TypeWithAuto, |
8523 | QualType Replacement); |
8524 | |
8525 | |
8526 | enum DeduceAutoResult { |
8527 | DAR_Succeeded, |
8528 | DAR_Failed, |
8529 | DAR_FailedAlreadyDiagnosed |
8530 | }; |
8531 | |
8532 | DeduceAutoResult |
8533 | DeduceAutoType(TypeSourceInfo *AutoType, Expr *&Initializer, QualType &Result, |
8534 | Optional<unsigned> DependentDeductionDepth = None, |
8535 | bool IgnoreConstraints = false); |
8536 | DeduceAutoResult |
8537 | DeduceAutoType(TypeLoc AutoTypeLoc, Expr *&Initializer, QualType &Result, |
8538 | Optional<unsigned> DependentDeductionDepth = None, |
8539 | bool IgnoreConstraints = false); |
8540 | void DiagnoseAutoDeductionFailure(VarDecl *VDecl, Expr *Init); |
8541 | bool DeduceReturnType(FunctionDecl *FD, SourceLocation Loc, |
8542 | bool Diagnose = true); |
8543 | |
8544 | |
8545 | |
8546 | void DeclareImplicitDeductionGuides(TemplateDecl *Template, |
8547 | SourceLocation Loc); |
8548 | |
8549 | QualType DeduceTemplateSpecializationFromInitializer( |
8550 | TypeSourceInfo *TInfo, const InitializedEntity &Entity, |
8551 | const InitializationKind &Kind, MultiExprArg Init); |
8552 | |
8553 | QualType deduceVarTypeFromInitializer(VarDecl *VDecl, DeclarationName Name, |
8554 | QualType Type, TypeSourceInfo *TSI, |
8555 | SourceRange Range, bool DirectInit, |
8556 | Expr *Init); |
8557 | |
8558 | TypeLoc getReturnTypeLoc(FunctionDecl *FD) const; |
8559 | |
8560 | bool DeduceFunctionTypeFromReturnExpr(FunctionDecl *FD, |
8561 | SourceLocation ReturnLoc, |
8562 | Expr *&RetExpr, AutoType *AT); |
8563 | |
8564 | FunctionTemplateDecl *getMoreSpecializedTemplate( |
8565 | FunctionTemplateDecl *FT1, FunctionTemplateDecl *FT2, SourceLocation Loc, |
8566 | TemplatePartialOrderingContext TPOC, unsigned NumCallArguments1, |
8567 | unsigned NumCallArguments2, bool Reversed = false); |
8568 | UnresolvedSetIterator |
8569 | getMostSpecialized(UnresolvedSetIterator SBegin, UnresolvedSetIterator SEnd, |
8570 | TemplateSpecCandidateSet &FailedCandidates, |
8571 | SourceLocation Loc, |
8572 | const PartialDiagnostic &NoneDiag, |
8573 | const PartialDiagnostic &AmbigDiag, |
8574 | const PartialDiagnostic &CandidateDiag, |
8575 | bool Complain = true, QualType TargetType = QualType()); |
8576 | |
8577 | ClassTemplatePartialSpecializationDecl * |
8578 | getMoreSpecializedPartialSpecialization( |
8579 | ClassTemplatePartialSpecializationDecl *PS1, |
8580 | ClassTemplatePartialSpecializationDecl *PS2, |
8581 | SourceLocation Loc); |
8582 | |
8583 | bool isMoreSpecializedThanPrimary(ClassTemplatePartialSpecializationDecl *T, |
8584 | sema::TemplateDeductionInfo &Info); |
8585 | |
8586 | VarTemplatePartialSpecializationDecl *getMoreSpecializedPartialSpecialization( |
8587 | VarTemplatePartialSpecializationDecl *PS1, |
8588 | VarTemplatePartialSpecializationDecl *PS2, SourceLocation Loc); |
8589 | |
8590 | bool isMoreSpecializedThanPrimary(VarTemplatePartialSpecializationDecl *T, |
8591 | sema::TemplateDeductionInfo &Info); |
8592 | |
8593 | bool isTemplateTemplateParameterAtLeastAsSpecializedAs( |
8594 | TemplateParameterList *PParam, TemplateDecl *AArg, SourceLocation Loc); |
8595 | |
8596 | void MarkUsedTemplateParameters(const Expr *E, bool OnlyDeduced, |
8597 | unsigned Depth, llvm::SmallBitVector &Used); |
8598 | |
8599 | void MarkUsedTemplateParameters(const TemplateArgumentList &TemplateArgs, |
8600 | bool OnlyDeduced, |
8601 | unsigned Depth, |
8602 | llvm::SmallBitVector &Used); |
8603 | void MarkDeducedTemplateParameters( |
8604 | const FunctionTemplateDecl *FunctionTemplate, |
8605 | llvm::SmallBitVector &Deduced) { |
8606 | return MarkDeducedTemplateParameters(Context, FunctionTemplate, Deduced); |
8607 | } |
8608 | static void MarkDeducedTemplateParameters(ASTContext &Ctx, |
8609 | const FunctionTemplateDecl *FunctionTemplate, |
8610 | llvm::SmallBitVector &Deduced); |
8611 | |
8612 | |
8613 | |
8614 | |
8615 | |
8616 | MultiLevelTemplateArgumentList |
8617 | getTemplateInstantiationArgs(NamedDecl *D, |
8618 | const TemplateArgumentList *Innermost = nullptr, |
8619 | bool RelativeToPrimary = false, |
8620 | const FunctionDecl *Pattern = nullptr); |
8621 | |
8622 | |
8623 | |
8624 | |
8625 | struct CodeSynthesisContext { |
8626 | |
8627 | enum SynthesisKind { |
8628 | |
8629 | |
8630 | TemplateInstantiation, |
8631 | |
8632 | |
8633 | |
8634 | |
8635 | |
8636 | |
8637 | DefaultTemplateArgumentInstantiation, |
8638 | |
8639 | |
8640 | |
8641 | |
8642 | DefaultFunctionArgumentInstantiation, |
8643 | |
8644 | |
8645 | |
8646 | ExplicitTemplateArgumentSubstitution, |
8647 | |
8648 | |
8649 | |
8650 | |
8651 | |
8652 | |
8653 | DeducedTemplateArgumentSubstitution, |
8654 | |
8655 | |
8656 | |
8657 | |
8658 | PriorTemplateArgumentSubstitution, |
8659 | |
8660 | |
8661 | |
8662 | DefaultTemplateArgumentChecking, |
8663 | |
8664 | |
8665 | |
8666 | ExceptionSpecEvaluation, |
8667 | |
8668 | |
8669 | |
8670 | ExceptionSpecInstantiation, |
8671 | |
8672 | |
8673 | RequirementInstantiation, |
8674 | |
8675 | |
8676 | |
8677 | NestedRequirementConstraintsCheck, |
8678 | |
8679 | |
8680 | DeclaringSpecialMember, |
8681 | |
8682 | |
8683 | |
8684 | DeclaringImplicitEqualityComparison, |
8685 | |
8686 | |
8687 | |
8688 | DefiningSynthesizedFunction, |
8689 | |
8690 | |
8691 | |
8692 | |
8693 | |
8694 | ConstraintsCheck, |
8695 | |
8696 | |
8697 | ConstraintSubstitution, |
8698 | |
8699 | |
8700 | ConstraintNormalization, |
8701 | |
8702 | |
8703 | |
8704 | ParameterMappingSubstitution, |
8705 | |
8706 | |
8707 | RewritingOperatorAsSpaceship, |
8708 | |
8709 | |
8710 | InitializingStructuredBinding, |
8711 | |
8712 | |
8713 | MarkingClassDllexported, |
8714 | |
8715 | |
8716 | |
8717 | |
8718 | |
8719 | Memoization |
8720 | } Kind; |
8721 | |
8722 | |
8723 | bool SavedInNonInstantiationSFINAEContext; |
8724 | |
8725 | |
8726 | SourceLocation PointOfInstantiation; |
8727 | |
8728 | |
8729 | Decl *Entity; |
8730 | |
8731 | |
8732 | |
8733 | |
8734 | NamedDecl *Template; |
8735 | |
8736 | |
8737 | |
8738 | const TemplateArgument *TemplateArgs; |
8739 | |
8740 | |
8741 | |
8742 | union { |
8743 | |
8744 | unsigned NumTemplateArgs; |
8745 | |
8746 | |
8747 | CXXSpecialMember SpecialMember; |
8748 | }; |
8749 | |
8750 | ArrayRef<TemplateArgument> template_arguments() const { |
8751 | assert(Kind != DeclaringSpecialMember); |
8752 | return {TemplateArgs, NumTemplateArgs}; |
8753 | } |
8754 | |
8755 | |
8756 | |
8757 | sema::TemplateDeductionInfo *DeductionInfo; |
8758 | |
8759 | |
8760 | |
8761 | |
8762 | SourceRange InstantiationRange; |
8763 | |
8764 | CodeSynthesisContext() |
8765 | : Kind(TemplateInstantiation), |
8766 | SavedInNonInstantiationSFINAEContext(false), Entity(nullptr), |
8767 | Template(nullptr), TemplateArgs(nullptr), NumTemplateArgs(0), |
8768 | DeductionInfo(nullptr) {} |
8769 | |
8770 | |
8771 | |
8772 | bool isInstantiationRecord() const; |
8773 | }; |
8774 | |
8775 | |
8776 | |
8777 | |
8778 | |
8779 | SmallVector<CodeSynthesisContext, 16> CodeSynthesisContexts; |
8780 | |
8781 | |
8782 | llvm::DenseSet<std::pair<Decl *, unsigned>> InstantiatingSpecializations; |
8783 | |
8784 | |
8785 | |
8786 | llvm::DenseSet<QualType> InstantiatedNonDependentTypes; |
8787 | |
8788 | |
8789 | |
8790 | SmallVector<Module*, 16> CodeSynthesisContextLookupModules; |
8791 | |
8792 | |
8793 | |
8794 | |
8795 | llvm::DenseSet<Module*> LookupModulesCache; |
8796 | |
8797 | |
8798 | |
8799 | |
8800 | llvm::DenseSet<Module*> &getLookupModules(); |
8801 | |
8802 | |
8803 | |
8804 | llvm::DenseMap<NamedDecl*, NamedDecl*> VisibleNamespaceCache; |
8805 | |
8806 | |
8807 | |
8808 | |
8809 | |
8810 | |
8811 | bool InNonInstantiationSFINAEContext; |
8812 | |
8813 | |
8814 | |
8815 | |
8816 | |
8817 | |
8818 | |
8819 | |
8820 | unsigned NonInstantiationEntries; |
8821 | |
8822 | |
8823 | |
8824 | |
8825 | |
8826 | |
8827 | |
8828 | unsigned LastEmittedCodeSynthesisContextDepth = 0; |
8829 | |
8830 | |
8831 | |
8832 | |
8833 | |
8834 | |
8835 | std::vector<std::unique_ptr<TemplateInstantiationCallback>> |
8836 | TemplateInstCallbacks; |
8837 | |
8838 | |
8839 | |
8840 | |
8841 | |
8842 | |
8843 | |
8844 | int ArgumentPackSubstitutionIndex; |
8845 | |
8846 | |
8847 | |
8848 | |
8849 | |
8850 | class ArgumentPackSubstitutionIndexRAII { |
8851 | Sema &Self; |
8852 | int OldSubstitutionIndex; |
8853 | |
8854 | public: |
8855 | ArgumentPackSubstitutionIndexRAII(Sema &Self, int NewSubstitutionIndex) |
8856 | : Self(Self), OldSubstitutionIndex(Self.ArgumentPackSubstitutionIndex) { |
8857 | Self.ArgumentPackSubstitutionIndex = NewSubstitutionIndex; |
8858 | } |
8859 | |
8860 | ~ArgumentPackSubstitutionIndexRAII() { |
8861 | Self.ArgumentPackSubstitutionIndex = OldSubstitutionIndex; |
8862 | } |
8863 | }; |
8864 | |
8865 | friend class ArgumentPackSubstitutionRAII; |
8866 | |
8867 | |
8868 | |
8869 | |
8870 | |
8871 | |
8872 | typedef llvm::DenseMap<Decl *, SmallVector<PartialDiagnosticAt, 1> > |
8873 | SuppressedDiagnosticsMap; |
8874 | SuppressedDiagnosticsMap SuppressedDiagnostics; |
8875 | |
8876 | |
8877 | |
8878 | |
8879 | |
8880 | |
8881 | |
8882 | |
8883 | |
8884 | |
8885 | |
8886 | |
8887 | struct InstantiatingTemplate { |
8888 | |
8889 | |
8890 | |
8891 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
8892 | Decl *Entity, |
8893 | SourceRange InstantiationRange = SourceRange()); |
8894 | |
8895 | struct ExceptionSpecification {}; |
8896 | |
8897 | |
8898 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
8899 | FunctionDecl *Entity, ExceptionSpecification, |
8900 | SourceRange InstantiationRange = SourceRange()); |
8901 | |
8902 | |
8903 | |
8904 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
8905 | TemplateParameter Param, TemplateDecl *Template, |
8906 | ArrayRef<TemplateArgument> TemplateArgs, |
8907 | SourceRange InstantiationRange = SourceRange()); |
8908 | |
8909 | |
8910 | |
8911 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
8912 | FunctionTemplateDecl *FunctionTemplate, |
8913 | ArrayRef<TemplateArgument> TemplateArgs, |
8914 | CodeSynthesisContext::SynthesisKind Kind, |
8915 | sema::TemplateDeductionInfo &DeductionInfo, |
8916 | SourceRange InstantiationRange = SourceRange()); |
8917 | |
8918 | |
8919 | |
8920 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
8921 | TemplateDecl *Template, |
8922 | ArrayRef<TemplateArgument> TemplateArgs, |
8923 | sema::TemplateDeductionInfo &DeductionInfo, |
8924 | SourceRange InstantiationRange = SourceRange()); |
8925 | |
8926 | |
8927 | |
8928 | |
8929 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
8930 | ClassTemplatePartialSpecializationDecl *PartialSpec, |
8931 | ArrayRef<TemplateArgument> TemplateArgs, |
8932 | sema::TemplateDeductionInfo &DeductionInfo, |
8933 | SourceRange InstantiationRange = SourceRange()); |
8934 | |
8935 | |
8936 | |
8937 | |
8938 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
8939 | VarTemplatePartialSpecializationDecl *PartialSpec, |
8940 | ArrayRef<TemplateArgument> TemplateArgs, |
8941 | sema::TemplateDeductionInfo &DeductionInfo, |
8942 | SourceRange InstantiationRange = SourceRange()); |
8943 | |
8944 | |
8945 | |
8946 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
8947 | ParmVarDecl *Param, |
8948 | ArrayRef<TemplateArgument> TemplateArgs, |
8949 | SourceRange InstantiationRange = SourceRange()); |
8950 | |
8951 | |
8952 | |
8953 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
8954 | NamedDecl *Template, |
8955 | NonTypeTemplateParmDecl *Param, |
8956 | ArrayRef<TemplateArgument> TemplateArgs, |
8957 | SourceRange InstantiationRange); |
8958 | |
8959 | |
8960 | |
8961 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
8962 | NamedDecl *Template, |
8963 | TemplateTemplateParmDecl *Param, |
8964 | ArrayRef<TemplateArgument> TemplateArgs, |
8965 | SourceRange InstantiationRange); |
8966 | |
8967 | |
8968 | |
8969 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
8970 | TemplateDecl *Template, |
8971 | NamedDecl *Param, |
8972 | ArrayRef<TemplateArgument> TemplateArgs, |
8973 | SourceRange InstantiationRange); |
8974 | |
8975 | struct ConstraintsCheck {}; |
8976 | |
8977 | |
8978 | |
8979 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
8980 | ConstraintsCheck, NamedDecl *Template, |
8981 | ArrayRef<TemplateArgument> TemplateArgs, |
8982 | SourceRange InstantiationRange); |
8983 | |
8984 | struct ConstraintSubstitution {}; |
8985 | |
8986 | |
8987 | |
8988 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
8989 | ConstraintSubstitution, NamedDecl *Template, |
8990 | sema::TemplateDeductionInfo &DeductionInfo, |
8991 | SourceRange InstantiationRange); |
8992 | |
8993 | struct ConstraintNormalization {}; |
8994 | |
8995 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
8996 | ConstraintNormalization, NamedDecl *Template, |
8997 | SourceRange InstantiationRange); |
8998 | |
8999 | struct ParameterMappingSubstitution {}; |
9000 | |
9001 | |
9002 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
9003 | ParameterMappingSubstitution, NamedDecl *Template, |
9004 | SourceRange InstantiationRange); |
9005 | |
9006 | |
9007 | |
9008 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
9009 | concepts::Requirement *Req, |
9010 | sema::TemplateDeductionInfo &DeductionInfo, |
9011 | SourceRange InstantiationRange = SourceRange()); |
9012 | |
9013 | |
9014 | |
9015 | InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
9016 | concepts::NestedRequirement *Req, ConstraintsCheck, |
9017 | SourceRange InstantiationRange = SourceRange()); |
9018 | |
9019 | |
9020 | void Clear(); |
9021 | |
9022 | ~InstantiatingTemplate() { Clear(); } |
9023 | |
9024 | |
9025 | |
9026 | bool isInvalid() const { return Invalid; } |
9027 | |
9028 | |
9029 | |
9030 | bool isAlreadyInstantiating() const { return AlreadyInstantiating; } |
9031 | |
9032 | private: |
9033 | Sema &SemaRef; |
9034 | bool Invalid; |
9035 | bool AlreadyInstantiating; |
9036 | bool CheckInstantiationDepth(SourceLocation PointOfInstantiation, |
9037 | SourceRange InstantiationRange); |
9038 | |
9039 | InstantiatingTemplate( |
9040 | Sema &SemaRef, CodeSynthesisContext::SynthesisKind Kind, |
9041 | SourceLocation PointOfInstantiation, SourceRange InstantiationRange, |
9042 | Decl *Entity, NamedDecl *Template = nullptr, |
9043 | ArrayRef<TemplateArgument> TemplateArgs = None, |
9044 | sema::TemplateDeductionInfo *DeductionInfo = nullptr); |
9045 | |
9046 | InstantiatingTemplate(const InstantiatingTemplate&) = delete; |
9047 | |
9048 | InstantiatingTemplate& |
9049 | operator=(const InstantiatingTemplate&) = delete; |
9050 | }; |
9051 | |
9052 | void pushCodeSynthesisContext(CodeSynthesisContext Ctx); |
9053 | void popCodeSynthesisContext(); |
9054 | |
9055 | |
9056 | bool inTemplateInstantiation() const { |
9057 | return CodeSynthesisContexts.size() > NonInstantiationEntries; |
9058 | } |
9059 | |
9060 | void PrintContextStack() { |
9061 | if (!CodeSynthesisContexts.empty() && |
9062 | CodeSynthesisContexts.size() != LastEmittedCodeSynthesisContextDepth) { |
9063 | PrintInstantiationStack(); |
9064 | LastEmittedCodeSynthesisContextDepth = CodeSynthesisContexts.size(); |
9065 | } |
9066 | if (PragmaAttributeCurrentTargetDecl) |
9067 | PrintPragmaAttributeInstantiationPoint(); |
9068 | } |
9069 | void PrintInstantiationStack(); |
9070 | |
9071 | void PrintPragmaAttributeInstantiationPoint(); |
9072 | |
9073 | |
9074 | |
9075 | |
9076 | |
9077 | |
9078 | |
9079 | |
9080 | |
9081 | Optional<sema::TemplateDeductionInfo *> isSFINAEContext() const; |
9082 | |
9083 | |
9084 | |
9085 | bool isUnevaluatedContext() const { |
9086 | assert(!ExprEvalContexts.empty() && |
9087 | "Must be in an expression evaluation context"); |
9088 | return ExprEvalContexts.back().isUnevaluated(); |
| 6 | | Calling 'ExpressionEvaluationContextRecord::isUnevaluated' | |
|
| 11 | | Returning from 'ExpressionEvaluationContextRecord::isUnevaluated' | |
|
| 12 | | Returning zero, which participates in a condition later | |
|
9089 | } |
9090 | |
9091 | |
9092 | |
9093 | |
9094 | class SFINAETrap { |
9095 | Sema &SemaRef; |
9096 | unsigned PrevSFINAEErrors; |
9097 | bool PrevInNonInstantiationSFINAEContext; |
9098 | bool PrevAccessCheckingSFINAE; |
9099 | bool PrevLastDiagnosticIgnored; |
9100 | |
9101 | public: |
9102 | explicit SFINAETrap(Sema &SemaRef, bool AccessCheckingSFINAE = false) |
9103 | : SemaRef(SemaRef), PrevSFINAEErrors(SemaRef.NumSFINAEErrors), |
9104 | PrevInNonInstantiationSFINAEContext( |
9105 | SemaRef.InNonInstantiationSFINAEContext), |
9106 | PrevAccessCheckingSFINAE(SemaRef.AccessCheckingSFINAE), |
9107 | PrevLastDiagnosticIgnored( |
9108 | SemaRef.getDiagnostics().isLastDiagnosticIgnored()) |
9109 | { |
9110 | if (!SemaRef.isSFINAEContext()) |
9111 | SemaRef.InNonInstantiationSFINAEContext = true; |
9112 | SemaRef.AccessCheckingSFINAE = AccessCheckingSFINAE; |
9113 | } |
9114 | |
9115 | ~SFINAETrap() { |
9116 | SemaRef.NumSFINAEErrors = PrevSFINAEErrors; |
9117 | SemaRef.InNonInstantiationSFINAEContext |
9118 | = PrevInNonInstantiationSFINAEContext; |
9119 | SemaRef.AccessCheckingSFINAE = PrevAccessCheckingSFINAE; |
9120 | SemaRef.getDiagnostics().setLastDiagnosticIgnored( |
9121 | PrevLastDiagnosticIgnored); |
9122 | } |
9123 | |
9124 | |
9125 | bool hasErrorOccurred() const { |
9126 | return SemaRef.NumSFINAEErrors > PrevSFINAEErrors; |
9127 | } |
9128 | }; |
9129 | |
9130 | |
9131 | |
9132 | |
9133 | |
9134 | class TentativeAnalysisScope { |
9135 | Sema &SemaRef; |
9136 | |
9137 | SFINAETrap Trap; |
9138 | bool PrevDisableTypoCorrection; |
9139 | public: |
9140 | explicit TentativeAnalysisScope(Sema &SemaRef) |
9141 | : SemaRef(SemaRef), Trap(SemaRef, true), |
9142 | PrevDisableTypoCorrection(SemaRef.DisableTypoCorrection) { |
9143 | SemaRef.DisableTypoCorrection = true; |
9144 | } |
9145 | ~TentativeAnalysisScope() { |
9146 | SemaRef.DisableTypoCorrection = PrevDisableTypoCorrection; |
9147 | } |
9148 | }; |
9149 | |
9150 | |
9151 | |
9152 | LocalInstantiationScope *CurrentInstantiationScope; |
9153 | |
9154 | |
9155 | |
9156 | bool DisableTypoCorrection; |
9157 | |
9158 | |
9159 | unsigned TyposCorrected; |
9160 | |
9161 | typedef llvm::SmallSet<SourceLocation, 2> SrcLocSet; |
9162 | typedef llvm::DenseMap<IdentifierInfo *, SrcLocSet> IdentifierSourceLocations; |
9163 | |
9164 | |
9165 | |
9166 | |
9167 | IdentifierSourceLocations TypoCorrectionFailures; |
9168 | |
9169 | |
9170 | sema::AnalysisBasedWarnings AnalysisWarnings; |
9171 | threadSafety::BeforeSet *ThreadSafetyDeclCache; |
9172 | |
9173 | |
9174 | |
9175 | |
9176 | |
9177 | |
9178 | |
9179 | |
9180 | |
9181 | typedef std::pair<ValueDecl *, SourceLocation> PendingImplicitInstantiation; |
9182 | |
9183 | |
9184 | |
9185 | std::deque<PendingImplicitInstantiation> PendingInstantiations; |
9186 | |
9187 | |
9188 | |
9189 | SmallVector<PendingImplicitInstantiation, 1> LateParsedInstantiations; |
9190 | |
9191 | class GlobalEagerInstantiationScope { |
9192 | public: |
9193 | GlobalEagerInstantiationScope(Sema &S, bool Enabled) |
9194 | : S(S), Enabled(Enabled) { |
9195 | if (!Enabled) return; |
9196 | |
9197 | SavedPendingInstantiations.swap(S.PendingInstantiations); |
9198 | SavedVTableUses.swap(S.VTableUses); |
9199 | } |
9200 | |
9201 | void perform() { |
9202 | if (Enabled) { |
9203 | S.DefineUsedVTables(); |
9204 | S.PerformPendingInstantiations(); |
9205 | } |
9206 | } |
9207 | |
9208 | ~GlobalEagerInstantiationScope() { |
9209 | if (!Enabled) return; |
9210 | |
9211 | |
9212 | assert(S.VTableUses.empty() && |
9213 | "VTableUses should be empty before it is discarded."); |
9214 | S.VTableUses.swap(SavedVTableUses); |
9215 | |
9216 | |
9217 | if (S.TUKind != TU_Prefix || !S.LangOpts.PCHInstantiateTemplates) { |
9218 | assert(S.PendingInstantiations.empty() && |
9219 | "PendingInstantiations should be empty before it is discarded."); |
9220 | S.PendingInstantiations.swap(SavedPendingInstantiations); |
9221 | } else { |
9222 | |
9223 | S.PendingInstantiations.swap(SavedPendingInstantiations); |
9224 | S.PendingInstantiations.insert(S.PendingInstantiations.end(), |
9225 | SavedPendingInstantiations.begin(), |
9226 | SavedPendingInstantiations.end()); |
9227 | } |
9228 | } |
9229 | |
9230 | private: |
9231 | Sema &S; |
9232 | SmallVector<VTableUse, 16> SavedVTableUses; |
9233 | std::deque<PendingImplicitInstantiation> SavedPendingInstantiations; |
9234 | bool Enabled; |
9235 | }; |
9236 | |
9237 | |
9238 | |
9239 | |
9240 | |
9241 | |
9242 | |
9243 | |
9244 | std::deque<PendingImplicitInstantiation> PendingLocalImplicitInstantiations; |
9245 | |
9246 | class LocalEagerInstantiationScope { |
9247 | public: |
9248 | LocalEagerInstantiationScope(Sema &S) : S(S) { |
9249 | SavedPendingLocalImplicitInstantiations.swap( |
9250 | S.PendingLocalImplicitInstantiations); |
9251 | } |
9252 | |
9253 | void perform() { S.PerformPendingInstantiations(true); } |
9254 | |
9255 | ~LocalEagerInstantiationScope() { |
9256 | assert(S.PendingLocalImplicitInstantiations.empty() && |
9257 | "there shouldn't be any pending local implicit instantiations"); |
9258 | SavedPendingLocalImplicitInstantiations.swap( |
9259 | S.PendingLocalImplicitInstantiations); |
9260 | } |
9261 | |
9262 | private: |
9263 | Sema &S; |
9264 | std::deque<PendingImplicitInstantiation> |
9265 | SavedPendingLocalImplicitInstantiations; |
9266 | }; |
9267 | |
9268 | |
9269 | class ExtParameterInfoBuilder { |
9270 | SmallVector<FunctionProtoType::ExtParameterInfo, 16> Infos; |
9271 | bool HasInteresting = false; |
9272 | |
9273 | public: |
9274 | |
9275 | |
9276 | void set(unsigned index, FunctionProtoType::ExtParameterInfo info) { |
9277 | assert(Infos.size() <= index); |
9278 | Infos.resize(index); |
9279 | Infos.push_back(info); |
9280 | |
9281 | if (!HasInteresting) |
9282 | HasInteresting = (info != FunctionProtoType::ExtParameterInfo()); |
9283 | } |
9284 | |
9285 | |
9286 | |
9287 | const FunctionProtoType::ExtParameterInfo * |
9288 | getPointerOrNull(unsigned numParams) { |
9289 | if (!HasInteresting) return nullptr; |
9290 | Infos.resize(numParams); |
9291 | return Infos.data(); |
9292 | } |
9293 | }; |
9294 | |
9295 | void PerformPendingInstantiations(bool LocalOnly = false); |
9296 | |
9297 | TypeSourceInfo *SubstType(TypeSourceInfo *T, |
9298 | const MultiLevelTemplateArgumentList &TemplateArgs, |
9299 | SourceLocation Loc, DeclarationName Entity, |
9300 | bool AllowDeducedTST = false); |
9301 | |
9302 | QualType SubstType(QualType T, |
9303 | const MultiLevelTemplateArgumentList &TemplateArgs, |
9304 | SourceLocation Loc, DeclarationName Entity); |
9305 | |
9306 | TypeSourceInfo *SubstType(TypeLoc TL, |
9307 | const MultiLevelTemplateArgumentList &TemplateArgs, |
9308 | SourceLocation Loc, DeclarationName Entity); |
9309 | |
9310 | TypeSourceInfo *SubstFunctionDeclType(TypeSourceInfo *T, |
9311 | const MultiLevelTemplateArgumentList &TemplateArgs, |
9312 | SourceLocation Loc, |
9313 | DeclarationName Entity, |
9314 | CXXRecordDecl *ThisContext, |
9315 | Qualifiers ThisTypeQuals); |
9316 | void SubstExceptionSpec(FunctionDecl *New, const FunctionProtoType *Proto, |
9317 | const MultiLevelTemplateArgumentList &Args); |
9318 | bool SubstExceptionSpec(SourceLocation Loc, |
9319 | FunctionProtoType::ExceptionSpecInfo &ESI, |
9320 | SmallVectorImpl<QualType> &ExceptionStorage, |
9321 | const MultiLevelTemplateArgumentList &Args); |
9322 | ParmVarDecl *SubstParmVarDecl(ParmVarDecl *D, |
9323 | const MultiLevelTemplateArgumentList &TemplateArgs, |
9324 | int indexAdjustment, |
9325 | Optional<unsigned> NumExpansions, |
9326 | bool ExpectParameterPack); |
9327 | bool SubstParmTypes(SourceLocation Loc, ArrayRef<ParmVarDecl *> Params, |
9328 | const FunctionProtoType::ExtParameterInfo *ExtParamInfos, |
9329 | const MultiLevelTemplateArgumentList &TemplateArgs, |
9330 | SmallVectorImpl<QualType> &ParamTypes, |
9331 | SmallVectorImpl<ParmVarDecl *> *OutParams, |
9332 | ExtParameterInfoBuilder &ParamInfos); |
9333 | ExprResult SubstExpr(Expr *E, |
9334 | const MultiLevelTemplateArgumentList &TemplateArgs); |
9335 | |
9336 | |
9337 | |
9338 | |
9339 | |
9340 | |
9341 | |
9342 | |
9343 | |
9344 | |
9345 | |
9346 | |
9347 | |
9348 | |
9349 | bool SubstExprs(ArrayRef<Expr *> Exprs, bool IsCall, |
9350 | const MultiLevelTemplateArgumentList &TemplateArgs, |
9351 | SmallVectorImpl<Expr *> &Outputs); |
9352 | |
9353 | StmtResult SubstStmt(Stmt *S, |
9354 | const MultiLevelTemplateArgumentList &TemplateArgs); |
9355 | |
9356 | TemplateParameterList * |
9357 | SubstTemplateParams(TemplateParameterList *Params, DeclContext *Owner, |
9358 | const MultiLevelTemplateArgumentList &TemplateArgs); |
9359 | |
9360 | bool |
9361 | SubstTemplateArguments(ArrayRef<TemplateArgumentLoc> Args, |
9362 | const MultiLevelTemplateArgumentList &TemplateArgs, |
9363 | TemplateArgumentListInfo &Outputs); |
9364 | |
9365 | |
9366 | Decl *SubstDecl(Decl *D, DeclContext *Owner, |
9367 | const MultiLevelTemplateArgumentList &TemplateArgs); |
9368 | |
9369 | |
9370 | |
9371 | FunctionDecl *SubstSpaceshipAsEqualEqual(CXXRecordDecl *RD, |
9372 | FunctionDecl *Spaceship); |
9373 | |
9374 | ExprResult SubstInitializer(Expr *E, |
9375 | const MultiLevelTemplateArgumentList &TemplateArgs, |
9376 | bool CXXDirectInit); |
9377 | |
9378 | bool |
9379 | SubstBaseSpecifiers(CXXRecordDecl *Instantiation, |
9380 | CXXRecordDecl *Pattern, |
9381 | const MultiLevelTemplateArgumentList &TemplateArgs); |
9382 | |
9383 | bool |
9384 | InstantiateClass(SourceLocation PointOfInstantiation, |
9385 | CXXRecordDecl *Instantiation, CXXRecordDecl *Pattern, |
9386 | const MultiLevelTemplateArgumentList &TemplateArgs, |
9387 | TemplateSpecializationKind TSK, |
9388 | bool Complain = true); |
9389 | |
9390 | bool InstantiateEnum(SourceLocation PointOfInstantiation, |
9391 | EnumDecl *Instantiation, EnumDecl *Pattern, |
9392 | const MultiLevelTemplateArgumentList &TemplateArgs, |
9393 | TemplateSpecializationKind TSK); |
9394 | |
9395 | bool InstantiateInClassInitializer( |
9396 | SourceLocation PointOfInstantiation, FieldDecl *Instantiation, |
9397 | FieldDecl *Pattern, const MultiLevelTemplateArgumentList &TemplateArgs); |
9398 | |
9399 | struct LateInstantiatedAttribute { |
9400 | const Attr *TmplAttr; |
9401 | LocalInstantiationScope *Scope; |
9402 | Decl *NewDecl; |
9403 | |
9404 | LateInstantiatedAttribute(const Attr *A, LocalInstantiationScope *S, |
9405 | Decl *D) |
9406 | : TmplAttr(A), Scope(S), NewDecl(D) |
9407 | { } |
9408 | }; |
9409 | typedef SmallVector<LateInstantiatedAttribute, 16> LateInstantiatedAttrVec; |
9410 | |
9411 | void InstantiateAttrs(const MultiLevelTemplateArgumentList &TemplateArgs, |
9412 | const Decl *Pattern, Decl *Inst, |
9413 | LateInstantiatedAttrVec *LateAttrs = nullptr, |
9414 | LocalInstantiationScope *OuterMostScope = nullptr); |
9415 | |
9416 | void |
9417 | InstantiateAttrsForDecl(const MultiLevelTemplateArgumentList &TemplateArgs, |
9418 | const Decl *Pattern, Decl *Inst, |
9419 | LateInstantiatedAttrVec *LateAttrs = nullptr, |
9420 | LocalInstantiationScope *OuterMostScope = nullptr); |
9421 | |
9422 | void InstantiateDefaultCtorDefaultArgs(CXXConstructorDecl *Ctor); |
9423 | |
9424 | bool usesPartialOrExplicitSpecialization( |
9425 | SourceLocation Loc, ClassTemplateSpecializationDecl *ClassTemplateSpec); |
9426 | |
9427 | bool |
9428 | InstantiateClassTemplateSpecialization(SourceLocation PointOfInstantiation, |
9429 | ClassTemplateSpecializationDecl *ClassTemplateSpec, |
9430 | TemplateSpecializationKind TSK, |
9431 | bool Complain = true); |
9432 | |
9433 | void InstantiateClassMembers(SourceLocation PointOfInstantiation, |
9434 | CXXRecordDecl *Instantiation, |
9435 | const MultiLevelTemplateArgumentList &TemplateArgs, |
9436 | TemplateSpecializationKind TSK); |
9437 | |
9438 | void InstantiateClassTemplateSpecializationMembers( |
9439 | SourceLocation PointOfInstantiation, |
9440 | ClassTemplateSpecializationDecl *ClassTemplateSpec, |
9441 | TemplateSpecializationKind TSK); |
9442 | |
9443 | NestedNameSpecifierLoc |
9444 | SubstNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS, |
9445 | const MultiLevelTemplateArgumentList &TemplateArgs); |
9446 | |
9447 | DeclarationNameInfo |
9448 | SubstDeclarationNameInfo(const DeclarationNameInfo &NameInfo, |
9449 | const MultiLevelTemplateArgumentList &TemplateArgs); |
9450 | TemplateName |
9451 | SubstTemplateName(NestedNameSpecifierLoc QualifierLoc, TemplateName Name, |
9452 | SourceLocation Loc, |
9453 | const MultiLevelTemplateArgumentList &TemplateArgs); |
9454 | bool Subst(const TemplateArgumentLoc *Args, unsigned NumArgs, |
9455 | TemplateArgumentListInfo &Result, |
9456 | const MultiLevelTemplateArgumentList &TemplateArgs); |
9457 | |
9458 | bool InstantiateDefaultArgument(SourceLocation CallLoc, FunctionDecl *FD, |
9459 | ParmVarDecl *Param); |
9460 | void InstantiateExceptionSpec(SourceLocation PointOfInstantiation, |
9461 | FunctionDecl *Function); |
9462 | bool CheckInstantiatedFunctionTemplateConstraints( |
9463 | SourceLocation PointOfInstantiation, FunctionDecl *Decl, |
9464 | ArrayRef<TemplateArgument> TemplateArgs, |
9465 | ConstraintSatisfaction &Satisfaction); |
9466 | FunctionDecl *InstantiateFunctionDeclaration(FunctionTemplateDecl *FTD, |
9467 | const TemplateArgumentList *Args, |
9468 | SourceLocation Loc); |
9469 | void InstantiateFunctionDefinition(SourceLocation PointOfInstantiation, |
9470 | FunctionDecl *Function, |
9471 | bool Recursive = false, |
9472 | bool DefinitionRequired = false, |
9473 | bool AtEndOfTU = false); |
9474 | VarTemplateSpecializationDecl *BuildVarTemplateInstantiation( |
9475 | VarTemplateDecl *VarTemplate, VarDecl *FromVar, |
9476 | const TemplateArgumentList &TemplateArgList, |
9477 | const TemplateArgumentListInfo &TemplateArgsInfo, |
9478 | SmallVectorImpl<TemplateArgument> &Converted, |
9479 | SourceLocation PointOfInstantiation, |
9480 | LateInstantiatedAttrVec *LateAttrs = nullptr, |
9481 | LocalInstantiationScope *StartingScope = nullptr); |
9482 | VarTemplateSpecializationDecl *CompleteVarTemplateSpecializationDecl( |
9483 | VarTemplateSpecializationDecl *VarSpec, VarDecl *PatternDecl, |
9484 | const MultiLevelTemplateArgumentList &TemplateArgs); |
9485 | void |
9486 | BuildVariableInstantiation(VarDecl *NewVar, VarDecl *OldVar, |
9487 | const MultiLevelTemplateArgumentList &TemplateArgs, |
9488 | LateInstantiatedAttrVec *LateAttrs, |
9489 | DeclContext *Owner, |
9490 | LocalInstantiationScope *StartingScope, |
9491 | bool InstantiatingVarTemplate = false, |
9492 | VarTemplateSpecializationDecl *PrevVTSD = nullptr); |
9493 | |
9494 | void InstantiateVariableInitializer( |
9495 | VarDecl *Var, VarDecl *OldVar, |
9496 | const MultiLevelTemplateArgumentList &TemplateArgs); |
9497 | void InstantiateVariableDefinition(SourceLocation PointOfInstantiation, |
9498 | VarDecl *Var, bool Recursive = false, |
9499 | bool DefinitionRequired = false, |
9500 | bool AtEndOfTU = false); |
9501 | |
9502 | void InstantiateMemInitializers(CXXConstructorDecl *New, |
9503 | const CXXConstructorDecl *Tmpl, |
9504 | const MultiLevelTemplateArgumentList &TemplateArgs); |
9505 | |
9506 | NamedDecl *FindInstantiatedDecl(SourceLocation Loc, NamedDecl *D, |
9507 | const MultiLevelTemplateArgumentList &TemplateArgs, |
9508 | bool FindingInstantiatedContext = false); |
9509 | DeclContext *FindInstantiatedContext(SourceLocation Loc, DeclContext *DC, |
9510 | const MultiLevelTemplateArgumentList &TemplateArgs); |
9511 | |
9512 | |
9513 | enum ObjCContainerKind { |
9514 | OCK_None = -1, |
9515 | OCK_Interface = 0, |
9516 | OCK_Protocol, |
9517 | OCK_Category, |
9518 | OCK_ClassExtension, |
9519 | OCK_Implementation, |
9520 | OCK_CategoryImplementation |
9521 | }; |
9522 | ObjCContainerKind getObjCContainerKind() const; |
9523 | |
9524 | DeclResult actOnObjCTypeParam(Scope *S, |
9525 | ObjCTypeParamVariance variance, |
9526 | SourceLocation varianceLoc, |
9527 | unsigned index, |
9528 | IdentifierInfo *paramName, |
9529 | SourceLocation paramLoc, |
9530 | SourceLocation colonLoc, |
9531 | ParsedType typeBound); |
9532 | |
9533 | ObjCTypeParamList *actOnObjCTypeParamList(Scope *S, SourceLocation lAngleLoc, |
9534 | ArrayRef<Decl *> typeParams, |
9535 | SourceLocation rAngleLoc); |
9536 | void popObjCTypeParamList(Scope *S, ObjCTypeParamList *typeParamList); |
9537 | |
9538 | Decl *ActOnStartClassInterface( |
9539 | Scope *S, SourceLocation AtInterfaceLoc, IdentifierInfo *ClassName, |
9540 | SourceLocation ClassLoc, ObjCTypeParamList *typeParamList, |
9541 | IdentifierInfo *SuperName, SourceLocation SuperLoc, |
9542 | ArrayRef<ParsedType> SuperTypeArgs, SourceRange SuperTypeArgsRange, |
9543 | Decl *const *ProtoRefs, unsigned NumProtoRefs, |
9544 | const SourceLocation *ProtoLocs, SourceLocation EndProtoLoc, |
9545 | const ParsedAttributesView &AttrList); |
9546 | |
9547 | void ActOnSuperClassOfClassInterface(Scope *S, |
9548 | SourceLocation AtInterfaceLoc, |
9549 | ObjCInterfaceDecl *IDecl, |
9550 | IdentifierInfo *ClassName, |
9551 | SourceLocation ClassLoc, |
9552 | IdentifierInfo *SuperName, |
9553 | SourceLocation SuperLoc, |
9554 | ArrayRef<ParsedType> SuperTypeArgs, |
9555 | SourceRange SuperTypeArgsRange); |
9556 | |
9557 | void ActOnTypedefedProtocols(SmallVectorImpl<Decl *> &ProtocolRefs, |
9558 | SmallVectorImpl<SourceLocation> &ProtocolLocs, |
9559 | IdentifierInfo *SuperName, |
9560 | SourceLocation SuperLoc); |
9561 | |
9562 | Decl *ActOnCompatibilityAlias( |
9563 | SourceLocation AtCompatibilityAliasLoc, |
9564 | IdentifierInfo *AliasName, SourceLocation AliasLocation, |
9565 | IdentifierInfo *ClassName, SourceLocation ClassLocation); |
9566 | |
9567 | bool CheckForwardProtocolDeclarationForCircularDependency( |
9568 | IdentifierInfo *PName, |
9569 | SourceLocation &PLoc, SourceLocation PrevLoc, |
9570 | const ObjCList<ObjCProtocolDecl> &PList); |
9571 | |
9572 | Decl *ActOnStartProtocolInterface( |
9573 | SourceLocation AtProtoInterfaceLoc, IdentifierInfo *ProtocolName, |
9574 | SourceLocation ProtocolLoc, Decl *const *ProtoRefNames, |
9575 | unsigned NumProtoRefs, const SourceLocation *ProtoLocs, |
9576 | SourceLocation EndProtoLoc, const ParsedAttributesView &AttrList); |
9577 | |
9578 | Decl *ActOnStartCategoryInterface( |
9579 | SourceLocation AtInterfaceLoc, IdentifierInfo *ClassName, |
9580 | SourceLocation ClassLoc, ObjCTypeParamList *typeParamList, |
9581 | IdentifierInfo *CategoryName, SourceLocation CategoryLoc, |
9582 | Decl *const *ProtoRefs, unsigned NumProtoRefs, |
9583 | const SourceLocation *ProtoLocs, SourceLocation EndProtoLoc, |
9584 | const ParsedAttributesView &AttrList); |
9585 | |
9586 | Decl *ActOnStartClassImplementation(SourceLocation AtClassImplLoc, |
9587 | IdentifierInfo *ClassName, |
9588 | SourceLocation ClassLoc, |
9589 | IdentifierInfo *SuperClassname, |
9590 | SourceLocation SuperClassLoc, |
9591 | const ParsedAttributesView &AttrList); |
9592 | |
9593 | Decl *ActOnStartCategoryImplementation(SourceLocation AtCatImplLoc, |
9594 | IdentifierInfo *ClassName, |
9595 | SourceLocation ClassLoc, |
9596 | IdentifierInfo *CatName, |
9597 | SourceLocation CatLoc, |
9598 | const ParsedAttributesView &AttrList); |
9599 | |
9600 | DeclGroupPtrTy ActOnFinishObjCImplementation(Decl *ObjCImpDecl, |
9601 | ArrayRef<Decl *> Decls); |
9602 | |
9603 | DeclGroupPtrTy ActOnForwardClassDeclaration(SourceLocation Loc, |
9604 | IdentifierInfo **IdentList, |
9605 | SourceLocation *IdentLocs, |
9606 | ArrayRef<ObjCTypeParamList *> TypeParamLists, |
9607 | unsigned NumElts); |
9608 | |
9609 | DeclGroupPtrTy |
9610 | ActOnForwardProtocolDeclaration(SourceLocation AtProtoclLoc, |
9611 | ArrayRef<IdentifierLocPair> IdentList, |
9612 | const ParsedAttributesView &attrList); |
9613 | |
9614 | void FindProtocolDeclaration(bool WarnOnDeclarations, bool ForObjCContainer, |
9615 | ArrayRef<IdentifierLocPair> ProtocolId, |
9616 | SmallVectorImpl<Decl *> &Protocols); |
9617 | |
9618 | void DiagnoseTypeArgsAndProtocols(IdentifierInfo *ProtocolId, |
9619 | SourceLocation ProtocolLoc, |
9620 | IdentifierInfo *TypeArgId, |
9621 | SourceLocation TypeArgLoc, |
9622 | bool SelectProtocolFirst = false); |
9623 | |
9624 | |
9625 | |
9626 | |
9627 | void actOnObjCTypeArgsOrProtocolQualifiers( |
9628 | Scope *S, |
9629 | ParsedType baseType, |
9630 | SourceLocation lAngleLoc, |
9631 | ArrayRef<IdentifierInfo *> identifiers, |
9632 | ArrayRef<SourceLocation> identifierLocs, |
9633 | SourceLocation rAngleLoc, |
9634 | SourceLocation &typeArgsLAngleLoc, |
9635 | SmallVectorImpl<ParsedType> &typeArgs, |
9636 | SourceLocation &typeArgsRAngleLoc, |
9637 | SourceLocation &protocolLAngleLoc, |
9638 | SmallVectorImpl<Decl *> &protocols, |
9639 | SourceLocation &protocolRAngleLoc, |
9640 | bool warnOnIncompleteProtocols); |
9641 | |
9642 | |
9643 | |
9644 | TypeResult actOnObjCProtocolQualifierType( |
9645 | SourceLocation lAngleLoc, |
9646 | ArrayRef<Decl *> protocols, |
9647 | ArrayRef<SourceLocation> protocolLocs, |
9648 | SourceLocation rAngleLoc); |
9649 | |
9650 | |
9651 | TypeResult actOnObjCTypeArgsAndProtocolQualifiers( |
9652 | Scope *S, |
9653 | SourceLocation Loc, |
9654 | ParsedType BaseType, |
9655 | SourceLocation TypeArgsLAngleLoc, |
9656 | ArrayRef<ParsedType> TypeArgs, |
9657 | SourceLocation TypeArgsRAngleLoc, |
9658 | SourceLocation ProtocolLAngleLoc, |
9659 | ArrayRef<Decl *> Protocols, |
9660 | ArrayRef<SourceLocation> ProtocolLocs, |
9661 | SourceLocation ProtocolRAngleLoc); |
9662 | |
9663 | |
9664 | QualType BuildObjCTypeParamType(const ObjCTypeParamDecl *Decl, |
9665 | SourceLocation ProtocolLAngleLoc, |
9666 | ArrayRef<ObjCProtocolDecl *> Protocols, |
9667 | ArrayRef<SourceLocation> ProtocolLocs, |
9668 | SourceLocation ProtocolRAngleLoc, |
9669 | bool FailOnError = false); |
9670 | |
9671 | |
9672 | QualType BuildObjCObjectType(QualType BaseType, |
9673 | SourceLocation Loc, |
9674 | SourceLocation TypeArgsLAngleLoc, |
9675 | ArrayRef<TypeSourceInfo *> TypeArgs, |
9676 | SourceLocation TypeArgsRAngleLoc, |
9677 | SourceLocation ProtocolLAngleLoc, |
9678 | ArrayRef<ObjCProtocolDecl *> Protocols, |
9679 | ArrayRef<SourceLocation> ProtocolLocs, |
9680 | SourceLocation ProtocolRAngleLoc, |
9681 | bool FailOnError = false); |
9682 | |
9683 | |
9684 | |
9685 | |
9686 | void CheckObjCPropertyAttributes(Decl *PropertyPtrTy, |
9687 | SourceLocation Loc, |
9688 | unsigned &Attributes, |
9689 | bool propertyInPrimaryClass); |
9690 | |
9691 | |
9692 | |
9693 | |
9694 | void ProcessPropertyDecl(ObjCPropertyDecl *property); |
9695 | |
9696 | |
9697 | void DiagnosePropertyMismatch(ObjCPropertyDecl *Property, |
9698 | ObjCPropertyDecl *SuperProperty, |
9699 | const IdentifierInfo *Name, |
9700 | bool OverridingProtocolProperty); |
9701 | |
9702 | void DiagnoseClassExtensionDupMethods(ObjCCategoryDecl *CAT, |
9703 | ObjCInterfaceDecl *ID); |
9704 | |
9705 | Decl *ActOnAtEnd(Scope *S, SourceRange AtEnd, |
9706 | ArrayRef<Decl *> allMethods = None, |
9707 | ArrayRef<DeclGroupPtrTy> allTUVars = None); |
9708 | |
9709 | Decl *ActOnProperty(Scope *S, SourceLocation AtLoc, |
9710 | SourceLocation LParenLoc, |
9711 | FieldDeclarator &FD, ObjCDeclSpec &ODS, |
9712 | Selector GetterSel, Selector SetterSel, |
9713 | tok::ObjCKeywordKind MethodImplKind, |
9714 | DeclContext *lexicalDC = nullptr); |
9715 | |
9716 | Decl *ActOnPropertyImplDecl(Scope *S, |
9717 | SourceLocation AtLoc, |
9718 | SourceLocation PropertyLoc, |
9719 | bool ImplKind, |
9720 | IdentifierInfo *PropertyId, |
9721 | IdentifierInfo *PropertyIvar, |
9722 | SourceLocation PropertyIvarLoc, |
9723 | ObjCPropertyQueryKind QueryKind); |
9724 | |
9725 | enum ObjCSpecialMethodKind { |
9726 | OSMK_None, |
9727 | OSMK_Alloc, |
9728 | OSMK_New, |
9729 | OSMK_Copy, |
9730 | OSMK_RetainingInit, |
9731 | OSMK_NonRetainingInit |
9732 | }; |
9733 | |
9734 | struct ObjCArgInfo { |
9735 | IdentifierInfo *Name; |
9736 | SourceLocation NameLoc; |
9737 | |
9738 | |
9739 | ParsedType Type; |
9740 | ObjCDeclSpec DeclSpec; |
9741 | |
9742 | |
9743 | ParsedAttributesView ArgAttrs; |
9744 | }; |
9745 | |
9746 | Decl *ActOnMethodDeclaration( |
9747 | Scope *S, |
9748 | SourceLocation BeginLoc, |
9749 | SourceLocation EndLoc, |
9750 | tok::TokenKind MethodType, ObjCDeclSpec &ReturnQT, ParsedType ReturnType, |
9751 | ArrayRef<SourceLocation> SelectorLocs, Selector Sel, |
9752 | |
9753 | |
9754 | ObjCArgInfo *ArgInfo, DeclaratorChunk::ParamInfo *CParamInfo, |
9755 | unsigned CNumArgs, |
9756 | const ParsedAttributesView &AttrList, tok::ObjCKeywordKind MethodImplKind, |
9757 | bool isVariadic, bool MethodDefinition); |
9758 | |
9759 | ObjCMethodDecl *LookupMethodInQualifiedType(Selector Sel, |
9760 | const ObjCObjectPointerType *OPT, |
9761 | bool IsInstance); |
9762 | ObjCMethodDecl *LookupMethodInObjectType(Selector Sel, QualType Ty, |
9763 | bool IsInstance); |
9764 | |
9765 | bool CheckARCMethodDecl(ObjCMethodDecl *method); |
9766 | bool inferObjCARCLifetime(ValueDecl *decl); |
9767 | |
9768 | void deduceOpenCLAddressSpace(ValueDecl *decl); |
9769 | |
9770 | ExprResult |
9771 | HandleExprPropertyRefExpr(const ObjCObjectPointerType *OPT, |
9772 | Expr *BaseExpr, |
9773 | SourceLocation OpLoc, |
9774 | DeclarationName MemberName, |
9775 | SourceLocation MemberLoc, |
9776 | SourceLocation SuperLoc, QualType SuperType, |
9777 | bool Super); |
9778 | |
9779 | ExprResult |
9780 | ActOnClassPropertyRefExpr(IdentifierInfo &receiverName, |
9781 | IdentifierInfo &propertyName, |
9782 | SourceLocation receiverNameLoc, |
9783 | SourceLocation propertyNameLoc); |
9784 | |
9785 | ObjCMethodDecl *tryCaptureObjCSelf(SourceLocation Loc); |
9786 | |
9787 | |
9788 | |
9789 | enum ObjCMessageKind { |
9790 | |
9791 | ObjCSuperMessage, |
9792 | |
9793 | ObjCInstanceMessage, |
9794 | |
9795 | |
9796 | ObjCClassMessage |
9797 | }; |
9798 | |
9799 | ObjCMessageKind getObjCMessageKind(Scope *S, |
9800 | IdentifierInfo *Name, |
9801 | SourceLocation NameLoc, |
9802 | bool IsSuper, |
9803 | bool HasTrailingDot, |
9804 | ParsedType &ReceiverType); |
9805 | |
9806 | ExprResult ActOnSuperMessage(Scope *S, SourceLocation SuperLoc, |
9807 | Selector Sel, |
9808 | SourceLocation LBracLoc, |
9809 | ArrayRef<SourceLocation> SelectorLocs, |
9810 | SourceLocation RBracLoc, |
9811 | MultiExprArg Args); |
9812 | |
9813 | ExprResult BuildClassMessage(TypeSourceInfo *ReceiverTypeInfo, |
9814 | QualType ReceiverType, |
9815 | SourceLocation SuperLoc, |
9816 | Selector Sel, |
9817 | ObjCMethodDecl *Method, |
9818 | SourceLocation LBracLoc, |
9819 | ArrayRef<SourceLocation> SelectorLocs, |
9820 | SourceLocation RBracLoc, |
9821 | MultiExprArg Args, |
9822 | bool isImplicit = false); |
9823 | |
9824 | ExprResult BuildClassMessageImplicit(QualType ReceiverType, |
9825 | bool isSuperReceiver, |
9826 | SourceLocation Loc, |
9827 | Selector Sel, |
9828 | ObjCMethodDecl *Method, |
9829 | MultiExprArg Args); |
9830 | |
9831 | ExprResult ActOnClassMessage(Scope *S, |
9832 | ParsedType Receiver, |
9833 | Selector Sel, |
9834 | SourceLocation LBracLoc, |
9835 | ArrayRef<SourceLocation> SelectorLocs, |
9836 | SourceLocation RBracLoc, |
9837 | MultiExprArg Args); |
9838 | |
9839 | ExprResult BuildInstanceMessage(Expr *Receiver, |
9840 | QualType ReceiverType, |
9841 | SourceLocation SuperLoc, |
9842 | Selector Sel, |
9843 | ObjCMethodDecl *Method, |
9844 | SourceLocation LBracLoc, |
9845 | ArrayRef<SourceLocation> SelectorLocs, |
9846 | SourceLocation RBracLoc, |
9847 | MultiExprArg Args, |
9848 | bool isImplicit = false); |
9849 | |
9850 | ExprResult BuildInstanceMessageImplicit(Expr *Receiver, |
9851 | QualType ReceiverType, |
9852 | SourceLocation Loc, |
9853 | Selector Sel, |
9854 | ObjCMethodDecl *Method, |
9855 | MultiExprArg Args); |
9856 | |
9857 | ExprResult ActOnInstanceMessage(Scope *S, |
9858 | Expr *Receiver, |
9859 | Selector Sel, |
9860 | SourceLocation LBracLoc, |
9861 | ArrayRef<SourceLocation> SelectorLocs, |
9862 | SourceLocation RBracLoc, |
9863 | MultiExprArg Args); |
9864 | |
9865 | ExprResult BuildObjCBridgedCast(SourceLocation LParenLoc, |
9866 | ObjCBridgeCastKind Kind, |
9867 | SourceLocation BridgeKeywordLoc, |
9868 | TypeSourceInfo *TSInfo, |
9869 | Expr *SubExpr); |
9870 | |
9871 | ExprResult ActOnObjCBridgedCast(Scope *S, |
9872 | SourceLocation LParenLoc, |
9873 | ObjCBridgeCastKind Kind, |
9874 | SourceLocation BridgeKeywordLoc, |
9875 | ParsedType Type, |
9876 | SourceLocation RParenLoc, |
9877 | Expr *SubExpr); |
9878 | |
9879 | void CheckTollFreeBridgeCast(QualType castType, Expr *castExpr); |
9880 | |
9881 | void CheckObjCBridgeRelatedCast(QualType castType, Expr *castExpr); |
9882 | |
9883 | bool CheckTollFreeBridgeStaticCast(QualType castType, Expr *castExpr, |
9884 | CastKind &Kind); |
9885 | |
9886 | bool checkObjCBridgeRelatedComponents(SourceLocation Loc, |
9887 | QualType DestType, QualType SrcType, |
9888 | ObjCInterfaceDecl *&RelatedClass, |
9889 | ObjCMethodDecl *&ClassMethod, |
9890 | ObjCMethodDecl *&InstanceMethod, |
9891 | TypedefNameDecl *&TDNDecl, |
9892 | bool CfToNs, bool Diagnose = true); |
9893 | |
9894 | bool CheckObjCBridgeRelatedConversions(SourceLocation Loc, |
9895 | QualType DestType, QualType SrcType, |
9896 | Expr *&SrcExpr, bool Diagnose = true); |
9897 | |
9898 | bool CheckConversionToObjCLiteral(QualType DstType, Expr *&SrcExpr, |
9899 | bool Diagnose = true); |
9900 | |
9901 | bool checkInitMethod(ObjCMethodDecl *method, QualType receiverTypeIfCall); |
9902 | |
9903 | |
9904 | |
9905 | void CheckObjCMethodOverride(ObjCMethodDecl *NewMethod, |
9906 | const ObjCMethodDecl *Overridden); |
9907 | |
9908 | |
9909 | enum ResultTypeCompatibilityKind { |
9910 | RTC_Compatible, |
9911 | RTC_Incompatible, |
9912 | RTC_Unknown |
9913 | }; |
9914 | |
9915 | void CheckObjCMethodDirectOverrides(ObjCMethodDecl *method, |
9916 | ObjCMethodDecl *overridden); |
9917 | |
9918 | void CheckObjCMethodOverrides(ObjCMethodDecl *ObjCMethod, |
9919 | ObjCInterfaceDecl *CurrentClass, |
9920 | ResultTypeCompatibilityKind RTC); |
9921 | |
9922 | enum PragmaOptionsAlignKind { |
9923 | POAK_Native, |
9924 | POAK_Natural, |
9925 | POAK_Packed, |
9926 | POAK_Power, |
9927 | POAK_Mac68k, |
9928 | POAK_Reset |
9929 | }; |
9930 | |
9931 | |
9932 | void ActOnPragmaClangSection(SourceLocation PragmaLoc, |
9933 | PragmaClangSectionAction Action, |
9934 | PragmaClangSectionKind SecKind, StringRef SecName); |
9935 | |
9936 | |
9937 | void ActOnPragmaOptionsAlign(PragmaOptionsAlignKind Kind, |
9938 | SourceLocation PragmaLoc); |
9939 | |
9940 | |
9941 | void ActOnPragmaPack(SourceLocation PragmaLoc, PragmaMsStackAction Action, |
9942 | StringRef SlotLabel, Expr *Alignment); |
9943 | |
9944 | enum class PragmaAlignPackDiagnoseKind { |
9945 | NonDefaultStateAtInclude, |
9946 | ChangedStateAtExit |
9947 | }; |
9948 | |
9949 | void DiagnoseNonDefaultPragmaAlignPack(PragmaAlignPackDiagnoseKind Kind, |
9950 | SourceLocation IncludeLoc); |
9951 | void DiagnoseUnterminatedPragmaAlignPack(); |
9952 | |
9953 | |
9954 | void ActOnPragmaMSStruct(PragmaMSStructKind Kind); |
9955 | |
9956 | |
9957 | |
9958 | void ActOnPragmaMSComment(SourceLocation CommentLoc, PragmaMSCommentKind Kind, |
9959 | StringRef Arg); |
9960 | |
9961 | |
9962 | |
9963 | |
9964 | void ActOnPragmaMSPointersToMembers( |
9965 | LangOptions::PragmaMSPointersToMembersKind Kind, |
9966 | SourceLocation PragmaLoc); |
9967 | |
9968 | |
9969 | void ActOnPragmaMSVtorDisp(PragmaMsStackAction Action, |
9970 | SourceLocation PragmaLoc, |
9971 | MSVtorDispMode Value); |
9972 | |
9973 | enum PragmaSectionKind { |
9974 | PSK_DataSeg, |
9975 | PSK_BSSSeg, |
9976 | PSK_ConstSeg, |
9977 | PSK_CodeSeg, |
9978 | }; |
9979 | |
9980 | bool UnifySection(StringRef SectionName, int SectionFlags, |
9981 | NamedDecl *TheDecl); |
9982 | bool UnifySection(StringRef SectionName, |
9983 | int SectionFlags, |
9984 | SourceLocation PragmaSectionLocation); |
9985 | |
9986 | |
9987 | void ActOnPragmaMSSeg(SourceLocation PragmaLocation, |
9988 | PragmaMsStackAction Action, |
9989 | llvm::StringRef StackSlotLabel, |
9990 | StringLiteral *SegmentName, |
9991 | llvm::StringRef PragmaName); |
9992 | |
9993 | |
9994 | void ActOnPragmaMSSection(SourceLocation PragmaLocation, |
9995 | int SectionFlags, StringLiteral *SegmentName); |
9996 | |
9997 | |
9998 | void ActOnPragmaMSInitSeg(SourceLocation PragmaLocation, |
9999 | StringLiteral *SegmentName); |
10000 | |
10001 | |
10002 | void ActOnPragmaDump(Scope *S, SourceLocation Loc, IdentifierInfo *II); |
10003 | |
10004 | |
10005 | void ActOnPragmaDetectMismatch(SourceLocation Loc, StringRef Name, |
10006 | StringRef Value); |
10007 | |
10008 | |
10009 | bool isPreciseFPEnabled() { |
10010 | return !CurFPFeatures.getAllowFPReassociate() && |
10011 | !CurFPFeatures.getNoSignedZero() && |
10012 | !CurFPFeatures.getAllowReciprocal() && |
10013 | !CurFPFeatures.getAllowApproxFunc(); |
10014 | } |
10015 | |
10016 | |
10017 | void ActOnPragmaFloatControl(SourceLocation Loc, PragmaMsStackAction Action, |
10018 | PragmaFloatControlKind Value); |
10019 | |
10020 | |
10021 | void ActOnPragmaUnused(const Token &Identifier, |
10022 | Scope *curScope, |
10023 | SourceLocation PragmaLoc); |
10024 | |
10025 | |
10026 | void ActOnPragmaVisibility(const IdentifierInfo* VisType, |
10027 | SourceLocation PragmaLoc); |
10028 | |
10029 | NamedDecl *DeclClonePragmaWeak(NamedDecl *ND, IdentifierInfo *II, |
10030 | SourceLocation Loc); |
10031 | void DeclApplyPragmaWeak(Scope *S, NamedDecl *ND, WeakInfo &W); |
10032 | |
10033 | |
10034 | void ActOnPragmaWeakID(IdentifierInfo* WeakName, |
10035 | SourceLocation PragmaLoc, |
10036 | SourceLocation WeakNameLoc); |
10037 | |
10038 | |
10039 | |
10040 | void ActOnPragmaRedefineExtname(IdentifierInfo* WeakName, |
10041 | IdentifierInfo* AliasName, |
10042 | SourceLocation PragmaLoc, |
10043 | SourceLocation WeakNameLoc, |
10044 | SourceLocation AliasNameLoc); |
10045 | |
10046 | |
10047 | void ActOnPragmaWeakAlias(IdentifierInfo* WeakName, |
10048 | IdentifierInfo* AliasName, |
10049 | SourceLocation PragmaLoc, |
10050 | SourceLocation WeakNameLoc, |
10051 | SourceLocation AliasNameLoc); |
10052 | |
10053 | |
10054 | |
10055 | |
10056 | void ActOnPragmaFPContract(SourceLocation Loc, LangOptions::FPModeKind FPC); |
10057 | |
10058 | |
10059 | |
10060 | void ActOnPragmaFPReassociate(SourceLocation Loc, bool IsEnabled); |
10061 | |
10062 | |
10063 | |
10064 | void ActOnPragmaFEnvAccess(SourceLocation Loc, bool IsEnabled); |
10065 | |
10066 | |
10067 | void ActOnPragmaFPExceptions(SourceLocation Loc, |
10068 | LangOptions::FPExceptionModeKind); |
10069 | |
10070 | |
10071 | void setRoundingMode(SourceLocation Loc, llvm::RoundingMode); |
10072 | |
10073 | |
10074 | void setExceptionMode(SourceLocation Loc, LangOptions::FPExceptionModeKind); |
10075 | |
10076 | |
10077 | |
10078 | void AddAlignmentAttributesForRecord(RecordDecl *RD); |
10079 | |
10080 | |
10081 | void AddMsStructLayoutForRecord(RecordDecl *RD); |
10082 | |
10083 | |
10084 | |
10085 | void PushNamespaceVisibilityAttr(const VisibilityAttr *Attr, |
10086 | SourceLocation Loc); |
10087 | |
10088 | |
10089 | |
10090 | void AddPushedVisibilityAttribute(Decl *RD); |
10091 | |
10092 | |
10093 | |
10094 | void PopPragmaVisibility(bool IsNamespaceEnd, SourceLocation EndLoc); |
10095 | |
10096 | |
10097 | void FreeVisContext(); |
10098 | |
10099 | |
10100 | |
10101 | |
10102 | void AddCFAuditedAttribute(Decl *D); |
10103 | |
10104 | void ActOnPragmaAttributeAttribute(ParsedAttr &Attribute, |
10105 | SourceLocation PragmaLoc, |
10106 | attr::ParsedSubjectMatchRuleSet Rules); |
10107 | void ActOnPragmaAttributeEmptyPush(SourceLocation PragmaLoc, |
10108 | const IdentifierInfo *Namespace); |
10109 | |
10110 | |
10111 | void ActOnPragmaAttributePop(SourceLocation PragmaLoc, |
10112 | const IdentifierInfo *Namespace); |
10113 | |
10114 | |
10115 | |
10116 | void AddPragmaAttributes(Scope *S, Decl *D); |
10117 | |
10118 | void DiagnoseUnterminatedPragmaAttribute(); |
10119 | |
10120 | |
10121 | void ActOnPragmaOptimize(bool On, SourceLocation PragmaLoc); |
10122 | |
10123 | |
10124 | |
10125 | SourceLocation getOptimizeOffPragmaLocation() const { |
10126 | return OptimizeOffPragmaLocation; |
10127 | } |
10128 | |
10129 | |
10130 | |
10131 | |
10132 | void AddRangeBasedOptnone(FunctionDecl *FD); |
10133 | |
10134 | |
10135 | |
10136 | |
10137 | void AddOptnoneAttributeIfNoConflicts(FunctionDecl *FD, SourceLocation Loc); |
10138 | |
10139 | |
10140 | void AddAlignedAttr(Decl *D, const AttributeCommonInfo &CI, Expr *E, |
10141 | bool IsPackExpansion); |
10142 | void AddAlignedAttr(Decl *D, const AttributeCommonInfo &CI, TypeSourceInfo *T, |
10143 | bool IsPackExpansion); |
10144 | |
10145 | |
10146 | |
10147 | void AddAssumeAlignedAttr(Decl *D, const AttributeCommonInfo &CI, Expr *E, |
10148 | Expr *OE); |
10149 | |
10150 | |
10151 | |
10152 | void AddAllocAlignAttr(Decl *D, const AttributeCommonInfo &CI, |
10153 | Expr *ParamExpr); |
10154 | |
10155 | |
10156 | |
10157 | void AddAlignValueAttr(Decl *D, const AttributeCommonInfo &CI, Expr *E); |
10158 | |
10159 | |
10160 | void AddAnnotationAttr(Decl *D, const AttributeCommonInfo &CI, |
10161 | StringRef Annot, MutableArrayRef<Expr *> Args); |
10162 | |
10163 | |
10164 | |
10165 | void AddLaunchBoundsAttr(Decl *D, const AttributeCommonInfo &CI, |
10166 | Expr *MaxThreads, Expr *MinBlocks); |
10167 | |
10168 | |
10169 | void AddModeAttr(Decl *D, const AttributeCommonInfo &CI, IdentifierInfo *Name, |
10170 | bool InInstantiation = false); |
10171 | |
10172 | void AddParameterABIAttr(Decl *D, const AttributeCommonInfo &CI, |
10173 | ParameterABI ABI); |
10174 | |
10175 | enum class RetainOwnershipKind {NS, CF, OS}; |
10176 | void AddXConsumedAttr(Decl *D, const AttributeCommonInfo &CI, |
10177 | RetainOwnershipKind K, bool IsTemplateInstantiation); |
10178 | |
10179 | |
10180 | |
10181 | void addAMDGPUFlatWorkGroupSizeAttr(Decl *D, const AttributeCommonInfo &CI, |
10182 | Expr *Min, Expr *Max); |
10183 | |
10184 | |
10185 | |
10186 | void addAMDGPUWavesPerEUAttr(Decl *D, const AttributeCommonInfo &CI, |
10187 | Expr *Min, Expr *Max); |
10188 | |
10189 | bool checkNSReturnsRetainedReturnType(SourceLocation loc, QualType type); |
10190 | |
10191 | |
10192 | |
10193 | |
10194 | bool ActOnCoroutineBodyStart(Scope *S, SourceLocation KwLoc, |
10195 | StringRef Keyword); |
10196 | ExprResult ActOnCoawaitExpr(Scope *S, SourceLocation KwLoc, Expr *E); |
10197 | ExprResult ActOnCoyieldExpr(Scope *S, SourceLocation KwLoc, Expr *E); |
10198 | StmtResult ActOnCoreturnStmt(Scope *S, SourceLocation KwLoc, Expr *E); |
10199 | |
10200 | ExprResult BuildResolvedCoawaitExpr(SourceLocation KwLoc, Expr *E, |
10201 | bool IsImplicit = false); |
10202 | ExprResult BuildUnresolvedCoawaitExpr(SourceLocation KwLoc, Expr *E, |
10203 | UnresolvedLookupExpr* Lookup); |
10204 | ExprResult BuildCoyieldExpr(SourceLocation KwLoc, Expr *E); |
10205 | StmtResult BuildCoreturnStmt(SourceLocation KwLoc, Expr *E, |
10206 | bool IsImplicit = false); |
10207 | StmtResult BuildCoroutineBodyStmt(CoroutineBodyStmt::CtorArgs); |
10208 | bool buildCoroutineParameterMoves(SourceLocation Loc); |
10209 | VarDecl *buildCoroutinePromise(SourceLocation Loc); |
10210 | void CheckCompletedCoroutineBody(FunctionDecl *FD, Stmt *&Body); |
10211 | ClassTemplateDecl *lookupCoroutineTraits(SourceLocation KwLoc, |
10212 | SourceLocation FuncLoc); |
10213 | |
10214 | |
10215 | bool checkFinalSuspendNoThrow(const Stmt *FinalSuspend); |
10216 | |
10217 | |
10218 | |
10219 | |
10220 | private: |
10221 | void *VarDataSharingAttributesStack; |
10222 | |
10223 | struct DeclareTargetContextInfo { |
10224 | struct MapInfo { |
10225 | OMPDeclareTargetDeclAttr::MapTypeTy MT; |
10226 | SourceLocation Loc; |
10227 | }; |
10228 | |
10229 | llvm::DenseMap<NamedDecl *, MapInfo> ExplicitlyMapped; |
10230 | |
10231 | |
10232 | OMPDeclareTargetDeclAttr::DevTypeTy DT = OMPDeclareTargetDeclAttr::DT_Any; |
10233 | |
10234 | |
10235 | OpenMPDirectiveKind Kind; |
10236 | |
10237 | |
10238 | SourceLocation Loc; |
10239 | |
10240 | DeclareTargetContextInfo(OpenMPDirectiveKind Kind, SourceLocation Loc) |
10241 | : Kind(Kind), Loc(Loc) {} |
10242 | }; |
10243 | |
10244 | |
10245 | SmallVector<DeclareTargetContextInfo, 4> DeclareTargetNesting; |
10246 | |
10247 | |
10248 | void InitDataSharingAttributesStack(); |
10249 | void DestroyDataSharingAttributesStack(); |
10250 | ExprResult |
10251 | VerifyPositiveIntegerConstantInClause(Expr *Op, OpenMPClauseKind CKind, |
10252 | bool StrictlyPositive = true, |
10253 | bool SuppressExprDiags = false); |
10254 | |
10255 | unsigned getOpenMPNestingLevel() const; |
10256 | |
10257 | |
10258 | void adjustOpenMPTargetScopeIndex(unsigned &FunctionScopesIndex, |
10259 | unsigned Level) const; |
10260 | |
10261 | |
10262 | |
10263 | int getNumberOfConstructScopes(unsigned Level) const; |
10264 | |
10265 | |
10266 | void pushOpenMPFunctionRegion(); |
10267 | |
10268 | |
10269 | void popOpenMPFunctionRegion(const sema::FunctionScopeInfo *OldFSI); |
10270 | |
10271 | |
10272 | |
10273 | |
10274 | |
10275 | |
10276 | |
10277 | |
10278 | |
10279 | |
10280 | |
10281 | |
10282 | |
10283 | bool checkTransformableLoopNest( |
10284 | OpenMPDirectiveKind Kind, Stmt *AStmt, int NumLoops, |
10285 | SmallVectorImpl<OMPLoopBasedDirective::HelperExprs> &LoopHelpers, |
10286 | Stmt *&Body, |
10287 | SmallVectorImpl<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>> |
10288 | &OriginalInits); |
10289 | |
10290 | |
10291 | |
10292 | struct OMPDeclareVariantScope { |
10293 | |
10294 | OMPTraitInfo *TI; |
10295 | |
10296 | |
10297 | std::string NameSuffix; |
10298 | |
10299 | OMPDeclareVariantScope(OMPTraitInfo &TI); |
10300 | }; |
10301 | |
10302 | |
10303 | OMPTraitInfo *getOMPTraitInfoForSurroundingScope() { |
10304 | return OMPDeclareVariantScopes.empty() ? nullptr |
10305 | : OMPDeclareVariantScopes.back().TI; |
10306 | } |
10307 | |
10308 | |
10309 | SmallVector<OMPDeclareVariantScope, 4> OMPDeclareVariantScopes; |
10310 | |
10311 | |
10312 | SmallVector<AssumptionAttr *, 4> OMPAssumeScoped; |
10313 | |
10314 | |
10315 | SmallVector<AssumptionAttr *, 4> OMPAssumeGlobal; |
10316 | |
10317 | public: |
10318 | |
10319 | |
10320 | |
10321 | |
10322 | void ActOnStartOfFunctionDefinitionInOpenMPDeclareVariantScope( |
10323 | Scope *S, Declarator &D, MultiTemplateParamsArg TemplateParameterLists, |
10324 | SmallVectorImpl<FunctionDecl *> &Bases); |
10325 | |
10326 | |
10327 | |
10328 | void ActOnFinishedFunctionDefinitionInOpenMPDeclareVariantScope( |
10329 | Decl *D, SmallVectorImpl<FunctionDecl *> &Bases); |
10330 | |
10331 | |
10332 | void ActOnFinishedFunctionDefinitionInOpenMPAssumeScope(Decl *D); |
10333 | |
10334 | |
10335 | bool isInOpenMPDeclareVariantScope() const { |
10336 | return !OMPDeclareVariantScopes.empty(); |
10337 | } |
10338 | |
10339 | |
10340 | |
10341 | |
10342 | |
10343 | ExprResult ActOnOpenMPCall(ExprResult Call, Scope *Scope, |
10344 | SourceLocation LParenLoc, MultiExprArg ArgExprs, |
10345 | SourceLocation RParenLoc, Expr *ExecConfig); |
10346 | |
10347 | |
10348 | void ActOnOpenMPBeginDeclareVariant(SourceLocation Loc, OMPTraitInfo &TI); |
10349 | |
10350 | |
10351 | void ActOnOpenMPEndDeclareVariant(); |
10352 | |
10353 | |
10354 | bool areMultiversionVariantFunctionsCompatible( |
10355 | const FunctionDecl *OldFD, const FunctionDecl *NewFD, |
10356 | const PartialDiagnostic &NoProtoDiagID, |
10357 | const PartialDiagnosticAt &NoteCausedDiagIDAt, |
10358 | const PartialDiagnosticAt &NoSupportDiagIDAt, |
10359 | const PartialDiagnosticAt &DiffDiagIDAt, bool TemplatesSupported, |
10360 | bool ConstexprSupported, bool CLinkageMayDiffer); |
10361 | |
10362 | |
10363 | |
10364 | void tryCaptureOpenMPLambdas(ValueDecl *V); |
10365 | |
10366 | |
10367 | |
10368 | |
10369 | |
10370 | |
10371 | bool isOpenMPCapturedByRef(const ValueDecl *D, unsigned Level, |
10372 | unsigned OpenMPCaptureLevel) const; |
10373 | |
10374 | |
10375 | |
10376 | |
10377 | VarDecl *isOpenMPCapturedDecl(ValueDecl *D, bool CheckScopeInfo = false, |
10378 | unsigned StopAt = 0); |
10379 | ExprResult getOpenMPCapturedExpr(VarDecl *Capture, ExprValueKind VK, |
10380 | ExprObjectKind OK, SourceLocation Loc); |
10381 | |
10382 | |
10383 | |
10384 | void startOpenMPLoop(); |
10385 | |
10386 | |
10387 | |
10388 | void startOpenMPCXXRangeFor(); |
10389 | |
10390 | |
10391 | |
10392 | |
10393 | OpenMPClauseKind isOpenMPPrivateDecl(ValueDecl *D, unsigned Level, |
10394 | unsigned CapLevel) const; |
10395 | |
10396 | |
10397 | |
10398 | |
10399 | void setOpenMPCaptureKind(FieldDecl *FD, const ValueDecl *D, unsigned Level); |
10400 | |
10401 | |
10402 | |
10403 | |
10404 | bool isOpenMPTargetCapturedDecl(const ValueDecl *D, unsigned Level, |
10405 | unsigned CaptureLevel) const; |
10406 | |
10407 | |
10408 | |
10409 | |
10410 | |
10411 | bool isOpenMPGlobalCapturedDecl(ValueDecl *D, unsigned Level, |
10412 | unsigned CaptureLevel) const; |
10413 | |
10414 | ExprResult PerformOpenMPImplicitIntegerConversion(SourceLocation OpLoc, |
10415 | Expr *Op); |
10416 | |
10417 | void StartOpenMPDSABlock(OpenMPDirectiveKind K, |
10418 | const DeclarationNameInfo &DirName, Scope *CurScope, |
10419 | SourceLocation Loc); |
10420 | |
10421 | void StartOpenMPClause(OpenMPClauseKind K); |
10422 | |
10423 | void EndOpenMPClause(); |
10424 | |
10425 | void EndOpenMPDSABlock(Stmt *CurDirective); |
10426 | |
10427 | |
10428 | |
10429 | |
10430 | |
10431 | void ActOnOpenMPLoopInitialization(SourceLocation ForLoc, Stmt *Init); |
10432 | |
10433 | |
10434 | |
10435 | |
10436 | ExprResult ActOnOpenMPIdExpression(Scope *CurScope, CXXScopeSpec &ScopeSpec, |
10437 | const DeclarationNameInfo &Id, |
10438 | OpenMPDirectiveKind Kind); |
10439 | |
10440 | DeclGroupPtrTy ActOnOpenMPThreadprivateDirective( |
10441 | SourceLocation Loc, |
10442 | ArrayRef<Expr *> VarList); |
10443 | |
10444 | OMPThreadPrivateDecl *CheckOMPThreadPrivateDecl(SourceLocation Loc, |
10445 | ArrayRef<Expr *> VarList); |
10446 | |
10447 | DeclGroupPtrTy ActOnOpenMPAllocateDirective(SourceLocation Loc, |
10448 | ArrayRef<Expr *> VarList, |
10449 | ArrayRef<OMPClause *> Clauses, |
10450 | DeclContext *Owner = nullptr); |
10451 | |
10452 | |
10453 | void ActOnOpenMPAssumesDirective(SourceLocation Loc, |
10454 | OpenMPDirectiveKind DKind, |
10455 | ArrayRef<StringRef> Assumptions, |
10456 | bool SkippedClauses); |
10457 | |
10458 | |
10459 | bool isInOpenMPAssumeScope() const { return !OMPAssumeScoped.empty(); } |
10460 | |
10461 | |
10462 | bool hasGlobalOpenMPAssumes() const { return !OMPAssumeGlobal.empty(); } |
10463 | |
10464 | |
10465 | void ActOnOpenMPEndAssumesDirective(); |
10466 | |
10467 | |
10468 | DeclGroupPtrTy ActOnOpenMPRequiresDirective(SourceLocation Loc, |
10469 | ArrayRef<OMPClause *> ClauseList); |
10470 | |
10471 | OMPRequiresDecl *CheckOMPRequiresDecl(SourceLocation Loc, |
10472 | ArrayRef<OMPClause *> Clauses); |
10473 | |
10474 | |
10475 | QualType ActOnOpenMPDeclareReductionType(SourceLocation TyLoc, |
10476 | TypeResult ParsedType); |
10477 | |
10478 | DeclGroupPtrTy ActOnOpenMPDeclareReductionDirectiveStart( |
10479 | Scope *S, DeclContext *DC, DeclarationName Name, |
10480 | ArrayRef<std::pair<QualType, SourceLocation>> ReductionTypes, |
10481 | AccessSpecifier AS, Decl *PrevDeclInScope = nullptr); |
10482 | |
10483 | void ActOnOpenMPDeclareReductionCombinerStart(Scope *S, Decl *D); |
10484 | |
10485 | void ActOnOpenMPDeclareReductionCombinerEnd(Decl *D, Expr *Combiner); |
10486 | |
10487 | |
10488 | VarDecl *ActOnOpenMPDeclareReductionInitializerStart(Scope *S, Decl *D); |
10489 | |
10490 | void ActOnOpenMPDeclareReductionInitializerEnd(Decl *D, Expr *Initializer, |
10491 | VarDecl *OmpPrivParm); |
10492 | |
10493 | DeclGroupPtrTy ActOnOpenMPDeclareReductionDirectiveEnd( |
10494 | Scope *S, DeclGroupPtrTy DeclReductions, bool IsValid); |
10495 | |
10496 | |
10497 | TypeResult ActOnOpenMPDeclareMapperVarDecl(Scope *S, Declarator &D); |
10498 | |
10499 | |
10500 | QualType ActOnOpenMPDeclareMapperType(SourceLocation TyLoc, |
10501 | TypeResult ParsedType); |
10502 | |
10503 | DeclGroupPtrTy ActOnOpenMPDeclareMapperDirective( |
10504 | Scope *S, DeclContext *DC, DeclarationName Name, QualType MapperType, |
10505 | SourceLocation StartLoc, DeclarationName VN, AccessSpecifier AS, |
10506 | Expr *MapperVarRef, ArrayRef<OMPClause *> Clauses, |
10507 | Decl *PrevDeclInScope = nullptr); |
10508 | |
10509 | ExprResult ActOnOpenMPDeclareMapperDirectiveVarDecl(Scope *S, |
10510 | QualType MapperType, |
10511 | SourceLocation StartLoc, |
10512 | DeclarationName VN); |
10513 | bool isOpenMPDeclareMapperVarDeclAllowed(const VarDecl *VD) const; |
10514 | const ValueDecl *getOpenMPDeclareMapperVarName() const; |
10515 | |
10516 | |
10517 | bool ActOnStartOpenMPDeclareTargetContext(DeclareTargetContextInfo &DTCI); |
10518 | |
10519 | |
10520 | const DeclareTargetContextInfo ActOnOpenMPEndDeclareTargetDirective(); |
10521 | |
10522 | |
10523 | |
10524 | |
10525 | |
10526 | void ActOnFinishedOpenMPDeclareTargetContext(DeclareTargetContextInfo &DTCI); |
10527 | |
10528 | |
10529 | |
10530 | NamedDecl *lookupOpenMPDeclareTargetName(Scope *CurScope, |
10531 | CXXScopeSpec &ScopeSpec, |
10532 | const DeclarationNameInfo &Id); |
10533 | |
10534 | |
10535 | void ActOnOpenMPDeclareTargetName(NamedDecl *ND, SourceLocation Loc, |
10536 | OMPDeclareTargetDeclAttr::MapTypeTy MT, |
10537 | OMPDeclareTargetDeclAttr::DevTypeTy DT); |
10538 | |
10539 | |
10540 | void |
10541 | checkDeclIsAllowedInOpenMPTarget(Expr *E, Decl *D, |
10542 | SourceLocation IdLoc = SourceLocation()); |
10543 | |
10544 | |
10545 | void finalizeOpenMPDelayedAnalysis(const FunctionDecl *Caller, |
10546 | const FunctionDecl *Callee, |
10547 | SourceLocation Loc); |
10548 | |
10549 | bool isInOpenMPDeclareTargetContext() const { |
10550 | return !DeclareTargetNesting.empty(); |
10551 | } |
10552 | |
10553 | bool isInOpenMPTargetExecutionDirective() const; |
10554 | |
10555 | |
10556 | static int getOpenMPCaptureLevels(OpenMPDirectiveKind Kind); |
10557 | |
10558 | |
10559 | void ActOnOpenMPRegionStart(OpenMPDirectiveKind DKind, Scope *CurScope); |
10560 | |
10561 | |
10562 | |
10563 | StmtResult ActOnOpenMPCanonicalLoop(Stmt *AStmt); |
10564 | |
10565 | |
10566 | |
10567 | |
10568 | |
10569 | |
10570 | |
10571 | StmtResult ActOnOpenMPRegionEnd(StmtResult S, ArrayRef<OMPClause *> Clauses); |
10572 | StmtResult ActOnOpenMPExecutableDirective( |
10573 | OpenMPDirectiveKind Kind, const DeclarationNameInfo &DirName, |
10574 | OpenMPDirectiveKind CancelRegion, ArrayRef<OMPClause *> Clauses, |
10575 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc); |
10576 | |
10577 | |
10578 | StmtResult ActOnOpenMPParallelDirective(ArrayRef<OMPClause *> Clauses, |
10579 | Stmt *AStmt, |
10580 | SourceLocation StartLoc, |
10581 | SourceLocation EndLoc); |
10582 | using VarsWithInheritedDSAType = |
10583 | llvm::SmallDenseMap<const ValueDecl *, const Expr *, 4>; |
10584 | |
10585 | |
10586 | StmtResult |
10587 | ActOnOpenMPSimdDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, |
10588 | SourceLocation StartLoc, SourceLocation EndLoc, |
10589 | VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10590 | |
10591 | |
10592 | StmtResult ActOnOpenMPTileDirective(ArrayRef<OMPClause *> Clauses, |
10593 | Stmt *AStmt, SourceLocation StartLoc, |
10594 | SourceLocation EndLoc); |
10595 | |
10596 | |
10597 | StmtResult ActOnOpenMPUnrollDirective(ArrayRef<OMPClause *> Clauses, |
10598 | Stmt *AStmt, SourceLocation StartLoc, |
10599 | SourceLocation EndLoc); |
10600 | |
10601 | |
10602 | StmtResult |
10603 | ActOnOpenMPForDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, |
10604 | SourceLocation StartLoc, SourceLocation EndLoc, |
10605 | VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10606 | |
10607 | |
10608 | StmtResult |
10609 | ActOnOpenMPForSimdDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, |
10610 | SourceLocation StartLoc, SourceLocation EndLoc, |
10611 | VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10612 | |
10613 | |
10614 | StmtResult ActOnOpenMPSectionsDirective(ArrayRef<OMPClause *> Clauses, |
10615 | Stmt *AStmt, SourceLocation StartLoc, |
10616 | SourceLocation EndLoc); |
10617 | |
10618 | |
10619 | StmtResult ActOnOpenMPSectionDirective(Stmt *AStmt, SourceLocation StartLoc, |
10620 | SourceLocation EndLoc); |
10621 | |
10622 | |
10623 | StmtResult ActOnOpenMPSingleDirective(ArrayRef<OMPClause *> Clauses, |
10624 | Stmt *AStmt, SourceLocation StartLoc, |
10625 | SourceLocation EndLoc); |
10626 | |
10627 | |
10628 | StmtResult ActOnOpenMPMasterDirective(Stmt *AStmt, SourceLocation StartLoc, |
10629 | SourceLocation EndLoc); |
10630 | |
10631 | |
10632 | StmtResult ActOnOpenMPCriticalDirective(const DeclarationNameInfo &DirName, |
10633 | ArrayRef<OMPClause *> Clauses, |
10634 | Stmt *AStmt, SourceLocation StartLoc, |
10635 | SourceLocation EndLoc); |
10636 | |
10637 | |
10638 | StmtResult ActOnOpenMPParallelForDirective( |
10639 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10640 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10641 | |
10642 | |
10643 | StmtResult ActOnOpenMPParallelForSimdDirective( |
10644 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10645 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10646 | |
10647 | |
10648 | StmtResult ActOnOpenMPParallelMasterDirective(ArrayRef<OMPClause *> Clauses, |
10649 | Stmt *AStmt, |
10650 | SourceLocation StartLoc, |
10651 | SourceLocation EndLoc); |
10652 | |
10653 | |
10654 | StmtResult ActOnOpenMPParallelSectionsDirective(ArrayRef<OMPClause *> Clauses, |
10655 | Stmt *AStmt, |
10656 | SourceLocation StartLoc, |
10657 | SourceLocation EndLoc); |
10658 | |
10659 | |
10660 | StmtResult ActOnOpenMPTaskDirective(ArrayRef<OMPClause *> Clauses, |
10661 | Stmt *AStmt, SourceLocation StartLoc, |
10662 | SourceLocation EndLoc); |
10663 | |
10664 | StmtResult ActOnOpenMPTaskyieldDirective(SourceLocation StartLoc, |
10665 | SourceLocation EndLoc); |
10666 | |
10667 | StmtResult ActOnOpenMPBarrierDirective(SourceLocation StartLoc, |
10668 | SourceLocation EndLoc); |
10669 | |
10670 | StmtResult ActOnOpenMPTaskwaitDirective(SourceLocation StartLoc, |
10671 | SourceLocation EndLoc); |
10672 | |
10673 | StmtResult ActOnOpenMPTaskgroupDirective(ArrayRef<OMPClause *> Clauses, |
10674 | Stmt *AStmt, SourceLocation StartLoc, |
10675 | SourceLocation EndLoc); |
10676 | |
10677 | StmtResult ActOnOpenMPFlushDirective(ArrayRef<OMPClause *> Clauses, |
10678 | SourceLocation StartLoc, |
10679 | SourceLocation EndLoc); |
10680 | |
10681 | StmtResult ActOnOpenMPDepobjDirective(ArrayRef<OMPClause *> Clauses, |
10682 | SourceLocation StartLoc, |
10683 | SourceLocation EndLoc); |
10684 | |
10685 | StmtResult ActOnOpenMPScanDirective(ArrayRef<OMPClause *> Clauses, |
10686 | SourceLocation StartLoc, |
10687 | SourceLocation EndLoc); |
10688 | |
10689 | |
10690 | StmtResult ActOnOpenMPOrderedDirective(ArrayRef<OMPClause *> Clauses, |
10691 | Stmt *AStmt, SourceLocation StartLoc, |
10692 | SourceLocation EndLoc); |
10693 | |
10694 | |
10695 | StmtResult ActOnOpenMPAtomicDirective(ArrayRef<OMPClause *> Clauses, |
10696 | Stmt *AStmt, SourceLocation StartLoc, |
10697 | SourceLocation EndLoc); |
10698 | |
10699 | |
10700 | StmtResult ActOnOpenMPTargetDirective(ArrayRef<OMPClause *> Clauses, |
10701 | Stmt *AStmt, SourceLocation StartLoc, |
10702 | SourceLocation EndLoc); |
10703 | |
10704 | |
10705 | StmtResult ActOnOpenMPTargetDataDirective(ArrayRef<OMPClause *> Clauses, |
10706 | Stmt *AStmt, SourceLocation StartLoc, |
10707 | SourceLocation EndLoc); |
10708 | |
10709 | |
10710 | StmtResult ActOnOpenMPTargetEnterDataDirective(ArrayRef<OMPClause *> Clauses, |
10711 | SourceLocation StartLoc, |
10712 | SourceLocation EndLoc, |
10713 | Stmt *AStmt); |
10714 | |
10715 | |
10716 | StmtResult ActOnOpenMPTargetExitDataDirective(ArrayRef<OMPClause *> Clauses, |
10717 | SourceLocation StartLoc, |
10718 | SourceLocation EndLoc, |
10719 | Stmt *AStmt); |
10720 | |
10721 | |
10722 | StmtResult ActOnOpenMPTargetParallelDirective(ArrayRef<OMPClause *> Clauses, |
10723 | Stmt *AStmt, |
10724 | SourceLocation StartLoc, |
10725 | SourceLocation EndLoc); |
10726 | |
10727 | |
10728 | StmtResult ActOnOpenMPTargetParallelForDirective( |
10729 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10730 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10731 | |
10732 | |
10733 | StmtResult ActOnOpenMPTeamsDirective(ArrayRef<OMPClause *> Clauses, |
10734 | Stmt *AStmt, SourceLocation StartLoc, |
10735 | SourceLocation EndLoc); |
10736 | |
10737 | StmtResult |
10738 | ActOnOpenMPCancellationPointDirective(SourceLocation StartLoc, |
10739 | SourceLocation EndLoc, |
10740 | OpenMPDirectiveKind CancelRegion); |
10741 | |
10742 | StmtResult ActOnOpenMPCancelDirective(ArrayRef<OMPClause *> Clauses, |
10743 | SourceLocation StartLoc, |
10744 | SourceLocation EndLoc, |
10745 | OpenMPDirectiveKind CancelRegion); |
10746 | |
10747 | |
10748 | StmtResult |
10749 | ActOnOpenMPTaskLoopDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, |
10750 | SourceLocation StartLoc, SourceLocation EndLoc, |
10751 | VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10752 | |
10753 | |
10754 | StmtResult ActOnOpenMPTaskLoopSimdDirective( |
10755 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10756 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10757 | |
10758 | |
10759 | StmtResult ActOnOpenMPMasterTaskLoopDirective( |
10760 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10761 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10762 | |
10763 | |
10764 | StmtResult ActOnOpenMPMasterTaskLoopSimdDirective( |
10765 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10766 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10767 | |
10768 | |
10769 | StmtResult ActOnOpenMPParallelMasterTaskLoopDirective( |
10770 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10771 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10772 | |
10773 | |
10774 | StmtResult ActOnOpenMPParallelMasterTaskLoopSimdDirective( |
10775 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10776 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10777 | |
10778 | |
10779 | StmtResult |
10780 | ActOnOpenMPDistributeDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, |
10781 | SourceLocation StartLoc, SourceLocation EndLoc, |
10782 | VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10783 | |
10784 | StmtResult ActOnOpenMPTargetUpdateDirective(ArrayRef<OMPClause *> Clauses, |
10785 | SourceLocation StartLoc, |
10786 | SourceLocation EndLoc, |
10787 | Stmt *AStmt); |
10788 | |
10789 | |
10790 | StmtResult ActOnOpenMPDistributeParallelForDirective( |
10791 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10792 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10793 | |
10794 | |
10795 | StmtResult ActOnOpenMPDistributeParallelForSimdDirective( |
10796 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10797 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10798 | |
10799 | |
10800 | StmtResult ActOnOpenMPDistributeSimdDirective( |
10801 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10802 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10803 | |
10804 | |
10805 | StmtResult ActOnOpenMPTargetParallelForSimdDirective( |
10806 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10807 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10808 | |
10809 | |
10810 | StmtResult |
10811 | ActOnOpenMPTargetSimdDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, |
10812 | SourceLocation StartLoc, SourceLocation EndLoc, |
10813 | VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10814 | |
10815 | |
10816 | StmtResult ActOnOpenMPTeamsDistributeDirective( |
10817 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10818 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10819 | |
10820 | |
10821 | StmtResult ActOnOpenMPTeamsDistributeSimdDirective( |
10822 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10823 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10824 | |
10825 | |
10826 | StmtResult ActOnOpenMPTeamsDistributeParallelForSimdDirective( |
10827 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10828 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10829 | |
10830 | |
10831 | StmtResult ActOnOpenMPTeamsDistributeParallelForDirective( |
10832 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10833 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10834 | |
10835 | |
10836 | StmtResult ActOnOpenMPTargetTeamsDirective(ArrayRef<OMPClause *> Clauses, |
10837 | Stmt *AStmt, |
10838 | SourceLocation StartLoc, |
10839 | SourceLocation EndLoc); |
10840 | |
10841 | |
10842 | StmtResult ActOnOpenMPTargetTeamsDistributeDirective( |
10843 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10844 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10845 | |
10846 | |
10847 | StmtResult ActOnOpenMPTargetTeamsDistributeParallelForDirective( |
10848 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10849 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10850 | |
10851 | |
10852 | StmtResult ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( |
10853 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10854 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10855 | |
10856 | |
10857 | StmtResult ActOnOpenMPTargetTeamsDistributeSimdDirective( |
10858 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, |
10859 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA); |
10860 | |
10861 | StmtResult ActOnOpenMPInteropDirective(ArrayRef<OMPClause *> Clauses, |
10862 | SourceLocation StartLoc, |
10863 | SourceLocation EndLoc); |
10864 | |
10865 | |
10866 | StmtResult ActOnOpenMPDispatchDirective(ArrayRef<OMPClause *> Clauses, |
10867 | Stmt *AStmt, SourceLocation StartLoc, |
10868 | SourceLocation EndLoc); |
10869 | |
10870 | |
10871 | StmtResult ActOnOpenMPMaskedDirective(ArrayRef<OMPClause *> Clauses, |
10872 | Stmt *AStmt, SourceLocation StartLoc, |
10873 | SourceLocation EndLoc); |
10874 | |
10875 | |
10876 | bool CheckOpenMPLinearModifier(OpenMPLinearClauseKind LinKind, |
10877 | SourceLocation LinLoc); |
10878 | |
10879 | |
10880 | bool CheckOpenMPLinearDecl(const ValueDecl *D, SourceLocation ELoc, |
10881 | OpenMPLinearClauseKind LinKind, QualType Type, |
10882 | bool IsDeclareSimd = false); |
10883 | |
10884 | |
10885 | |
10886 | DeclGroupPtrTy ActOnOpenMPDeclareSimdDirective( |
10887 | DeclGroupPtrTy DG, OMPDeclareSimdDeclAttr::BranchStateTy BS, |
10888 | Expr *Simdlen, ArrayRef<Expr *> Uniforms, ArrayRef<Expr *> Aligneds, |
10889 | ArrayRef<Expr *> Alignments, ArrayRef<Expr *> Linears, |
10890 | ArrayRef<unsigned> LinModifiers, ArrayRef<Expr *> Steps, SourceRange SR); |
10891 | |
10892 | |
10893 | |
10894 | |
10895 | |
10896 | |
10897 | |
10898 | |
10899 | |
10900 | |
10901 | Optional<std::pair<FunctionDecl *, Expr *>> |
10902 | checkOpenMPDeclareVariantFunction(DeclGroupPtrTy DG, Expr *VariantRef, |
10903 | OMPTraitInfo &TI, SourceRange SR); |
10904 | |
10905 | |
10906 | |
10907 | |
10908 | |
10909 | |
10910 | |
10911 | |
10912 | void ActOnOpenMPDeclareVariantDirective(FunctionDecl *FD, Expr *VariantRef, |
10913 | OMPTraitInfo &TI, SourceRange SR); |
10914 | |
10915 | OMPClause *ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind, |
10916 | Expr *Expr, |
10917 | SourceLocation StartLoc, |
10918 | SourceLocation LParenLoc, |
10919 | SourceLocation EndLoc); |
10920 | |
10921 | OMPClause *ActOnOpenMPAllocatorClause(Expr *Allocator, |
10922 | SourceLocation StartLoc, |
10923 | SourceLocation LParenLoc, |
10924 | SourceLocation EndLoc); |
10925 | |
10926 | OMPClause *ActOnOpenMPIfClause(OpenMPDirectiveKind NameModifier, |
10927 | Expr *Condition, SourceLocation StartLoc, |
10928 | SourceLocation LParenLoc, |
10929 | SourceLocation NameModifierLoc, |
10930 | SourceLocation ColonLoc, |
10931 | SourceLocation EndLoc); |
10932 | |
10933 | OMPClause *ActOnOpenMPFinalClause(Expr *Condition, SourceLocation StartLoc, |
10934 | SourceLocation LParenLoc, |
10935 | SourceLocation EndLoc); |
10936 | |
10937 | OMPClause *ActOnOpenMPNumThreadsClause(Expr *NumThreads, |
10938 | SourceLocation StartLoc, |
10939 | SourceLocation LParenLoc, |
10940 | SourceLocation EndLoc); |
10941 | |
10942 | OMPClause *ActOnOpenMPSafelenClause(Expr *Length, |
10943 | SourceLocation StartLoc, |
10944 | SourceLocation LParenLoc, |
10945 | SourceLocation EndLoc); |
10946 | |
10947 | OMPClause *ActOnOpenMPSimdlenClause(Expr *Length, SourceLocation StartLoc, |
10948 | SourceLocation LParenLoc, |
10949 | SourceLocation EndLoc); |
10950 | |
10951 | OMPClause *ActOnOpenMPSizesClause(ArrayRef<Expr *> SizeExprs, |
10952 | SourceLocation StartLoc, |
10953 | SourceLocation LParenLoc, |
10954 | SourceLocation EndLoc); |
10955 | |
10956 | OMPClause *ActOnOpenMPFullClause(SourceLocation StartLoc, |
10957 | SourceLocation EndLoc); |
10958 | |
10959 | OMPClause *ActOnOpenMPPartialClause(Expr *FactorExpr, SourceLocation StartLoc, |
10960 | SourceLocation LParenLoc, |
10961 | SourceLocation EndLoc); |
10962 | |
10963 | OMPClause *ActOnOpenMPCollapseClause(Expr *NumForLoops, |
10964 | SourceLocation StartLoc, |
10965 | SourceLocation LParenLoc, |
10966 | SourceLocation EndLoc); |
10967 | |
10968 | OMPClause * |
10969 | ActOnOpenMPOrderedClause(SourceLocation StartLoc, SourceLocation EndLoc, |
10970 | SourceLocation LParenLoc = SourceLocation(), |
10971 | Expr *NumForLoops = nullptr); |
10972 | |
10973 | OMPClause *ActOnOpenMPGrainsizeClause(Expr *Size, SourceLocation StartLoc, |
10974 | SourceLocation LParenLoc, |
10975 | SourceLocation EndLoc); |
10976 | |
10977 | OMPClause *ActOnOpenMPNumTasksClause(Expr *NumTasks, SourceLocation StartLoc, |
10978 | SourceLocation LParenLoc, |
10979 | SourceLocation EndLoc); |
10980 | |
10981 | OMPClause *ActOnOpenMPHintClause(Expr *Hint, SourceLocation StartLoc, |
10982 | SourceLocation LParenLoc, |
10983 | SourceLocation EndLoc); |
10984 | |
10985 | OMPClause *ActOnOpenMPDetachClause(Expr *Evt, SourceLocation StartLoc, |
10986 | SourceLocation LParenLoc, |
10987 | SourceLocation EndLoc); |
10988 | |
10989 | OMPClause *ActOnOpenMPSimpleClause(OpenMPClauseKind Kind, |
10990 | unsigned Argument, |
10991 | SourceLocation ArgumentLoc, |
10992 | SourceLocation StartLoc, |
10993 | SourceLocation LParenLoc, |
10994 | SourceLocation EndLoc); |
10995 | |
10996 | OMPClause *ActOnOpenMPDefaultClause(llvm::omp::DefaultKind Kind, |
10997 | SourceLocation KindLoc, |
10998 | SourceLocation StartLoc, |
10999 | SourceLocation LParenLoc, |
11000 | SourceLocation EndLoc); |
11001 | |
11002 | OMPClause *ActOnOpenMPProcBindClause(llvm::omp::ProcBindKind Kind, |
11003 | SourceLocation KindLoc, |
11004 | SourceLocation StartLoc, |
11005 | SourceLocation LParenLoc, |
11006 | SourceLocation EndLoc); |
11007 | |
11008 | OMPClause *ActOnOpenMPOrderClause(OpenMPOrderClauseKind Kind, |
11009 | SourceLocation KindLoc, |
11010 | SourceLocation StartLoc, |
11011 | SourceLocation LParenLoc, |
11012 | SourceLocation EndLoc); |
11013 | |
11014 | OMPClause *ActOnOpenMPUpdateClause(OpenMPDependClauseKind Kind, |
11015 | SourceLocation KindLoc, |
11016 | SourceLocation StartLoc, |
11017 | SourceLocation LParenLoc, |
11018 | SourceLocation EndLoc); |
11019 | |
11020 | OMPClause *ActOnOpenMPSingleExprWithArgClause( |
11021 | OpenMPClauseKind Kind, ArrayRef<unsigned> Arguments, Expr *Expr, |
11022 | SourceLocation StartLoc, SourceLocation LParenLoc, |
11023 | ArrayRef<SourceLocation> ArgumentsLoc, SourceLocation DelimLoc, |
11024 | SourceLocation EndLoc); |
11025 | |
11026 | OMPClause *ActOnOpenMPScheduleClause( |
11027 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, |
11028 | OpenMPScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, |
11029 | SourceLocation LParenLoc, SourceLocation M1Loc, SourceLocation M2Loc, |
11030 | SourceLocation KindLoc, SourceLocation CommaLoc, SourceLocation EndLoc); |
11031 | |
11032 | OMPClause *ActOnOpenMPClause(OpenMPClauseKind Kind, SourceLocation StartLoc, |
11033 | SourceLocation EndLoc); |
11034 | |
11035 | OMPClause *ActOnOpenMPNowaitClause(SourceLocation StartLoc, |
11036 | SourceLocation EndLoc); |
11037 | |
11038 | OMPClause *ActOnOpenMPUntiedClause(SourceLocation StartLoc, |
11039 | SourceLocation EndLoc); |
11040 | |
11041 | OMPClause *ActOnOpenMPMergeableClause(SourceLocation StartLoc, |
11042 | SourceLocation EndLoc); |
11043 | |
11044 | OMPClause *ActOnOpenMPReadClause(SourceLocation StartLoc, |
11045 | SourceLocation EndLoc); |
11046 | |
11047 | OMPClause *ActOnOpenMPWriteClause(SourceLocation StartLoc, |
11048 | SourceLocation EndLoc); |
11049 | |
11050 | OMPClause *ActOnOpenMPUpdateClause(SourceLocation StartLoc, |
11051 | SourceLocation EndLoc); |
11052 | |
11053 | OMPClause *ActOnOpenMPCaptureClause(SourceLocation StartLoc, |
11054 | SourceLocation EndLoc); |
11055 | |
11056 | OMPClause *ActOnOpenMPSeqCstClause(SourceLocation StartLoc, |
11057 | SourceLocation EndLoc); |
11058 | |
11059 | OMPClause *ActOnOpenMPAcqRelClause(SourceLocation StartLoc, |
11060 | SourceLocation EndLoc); |
11061 | |
11062 | OMPClause *ActOnOpenMPAcquireClause(SourceLocation StartLoc, |
11063 | SourceLocation EndLoc); |
11064 | |
11065 | OMPClause *ActOnOpenMPReleaseClause(SourceLocation StartLoc, |
11066 | SourceLocation EndLoc); |
11067 | |
11068 | OMPClause *ActOnOpenMPRelaxedClause(SourceLocation StartLoc, |
11069 | SourceLocation EndLoc); |
11070 | |
11071 | |
11072 | OMPClause *ActOnOpenMPInitClause(Expr *InteropVar, ArrayRef<Expr *> PrefExprs, |
11073 | bool IsTarget, bool IsTargetSync, |
11074 | SourceLocation StartLoc, |
11075 | SourceLocation LParenLoc, |
11076 | SourceLocation VarLoc, |
11077 | SourceLocation EndLoc); |
11078 | |
11079 | |
11080 | OMPClause *ActOnOpenMPUseClause(Expr *InteropVar, SourceLocation StartLoc, |
11081 | SourceLocation LParenLoc, |
11082 | SourceLocation VarLoc, SourceLocation EndLoc); |
11083 | |
11084 | |
11085 | OMPClause *ActOnOpenMPDestroyClause(Expr *InteropVar, SourceLocation StartLoc, |
11086 | SourceLocation LParenLoc, |
11087 | SourceLocation VarLoc, |
11088 | SourceLocation EndLoc); |
11089 | |
11090 | OMPClause *ActOnOpenMPNovariantsClause(Expr *Condition, |
11091 | SourceLocation StartLoc, |
11092 | SourceLocation LParenLoc, |
11093 | SourceLocation EndLoc); |
11094 | |
11095 | OMPClause *ActOnOpenMPNocontextClause(Expr *Condition, |
11096 | SourceLocation StartLoc, |
11097 | SourceLocation LParenLoc, |
11098 | SourceLocation EndLoc); |
11099 | |
11100 | OMPClause *ActOnOpenMPFilterClause(Expr *ThreadID, SourceLocation StartLoc, |
11101 | SourceLocation LParenLoc, |
11102 | SourceLocation EndLoc); |
11103 | |
11104 | OMPClause *ActOnOpenMPThreadsClause(SourceLocation StartLoc, |
11105 | SourceLocation EndLoc); |
11106 | |
11107 | OMPClause *ActOnOpenMPSIMDClause(SourceLocation StartLoc, |
11108 | SourceLocation EndLoc); |
11109 | |
11110 | OMPClause *ActOnOpenMPNogroupClause(SourceLocation StartLoc, |
11111 | SourceLocation EndLoc); |
11112 | |
11113 | OMPClause *ActOnOpenMPUnifiedAddressClause(SourceLocation StartLoc, |
11114 | SourceLocation EndLoc); |
11115 | |
11116 | |
11117 | OMPClause *ActOnOpenMPUnifiedSharedMemoryClause(SourceLocation StartLoc, |
11118 | SourceLocation EndLoc); |
11119 | |
11120 | |
11121 | OMPClause *ActOnOpenMPReverseOffloadClause(SourceLocation StartLoc, |
11122 | SourceLocation EndLoc); |
11123 | |
11124 | |
11125 | OMPClause *ActOnOpenMPDynamicAllocatorsClause(SourceLocation StartLoc, |
11126 | SourceLocation EndLoc); |
11127 | |
11128 | |
11129 | OMPClause *ActOnOpenMPAtomicDefaultMemOrderClause( |
11130 | OpenMPAtomicDefaultMemOrderClauseKind Kind, SourceLocation KindLoc, |
11131 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc); |
11132 | |
11133 | OMPClause *ActOnOpenMPVarListClause( |
11134 | OpenMPClauseKind Kind, ArrayRef<Expr *> Vars, Expr *DepModOrTailExpr, |
11135 | const OMPVarListLocTy &Locs, SourceLocation ColonLoc, |
11136 | CXXScopeSpec &ReductionOrMapperIdScopeSpec, |
11137 | DeclarationNameInfo &ReductionOrMapperId, int ExtraModifier, |
11138 | ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, |
11139 | ArrayRef<SourceLocation> MapTypeModifiersLoc, bool IsMapTypeImplicit, |
11140 | SourceLocation ExtraModifierLoc, |
11141 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, |
11142 | ArrayRef<SourceLocation> MotionModifiersLoc); |
11143 | |
11144 | OMPClause *ActOnOpenMPInclusiveClause(ArrayRef<Expr *> VarList, |
11145 | SourceLocation StartLoc, |
11146 | SourceLocation LParenLoc, |
11147 | SourceLocation EndLoc); |
11148 | |
11149 | OMPClause *ActOnOpenMPExclusiveClause(ArrayRef<Expr *> VarList, |
11150 | SourceLocation StartLoc, |
11151 | SourceLocation LParenLoc, |
11152 | SourceLocation EndLoc); |
11153 | |
11154 | OMPClause * |
11155 | ActOnOpenMPAllocateClause(Expr *Allocator, ArrayRef<Expr *> VarList, |
11156 | SourceLocation StartLoc, SourceLocation ColonLoc, |
11157 | SourceLocation LParenLoc, SourceLocation EndLoc); |
11158 | |
11159 | OMPClause *ActOnOpenMPPrivateClause(ArrayRef<Expr *> VarList, |
11160 | SourceLocation StartLoc, |
11161 | SourceLocation LParenLoc, |
11162 | SourceLocation EndLoc); |
11163 | |
11164 | OMPClause *ActOnOpenMPFirstprivateClause(ArrayRef<Expr *> VarList, |
11165 | SourceLocation StartLoc, |
11166 | SourceLocation LParenLoc, |
11167 | SourceLocation EndLoc); |
11168 | |
11169 | OMPClause *ActOnOpenMPLastprivateClause( |
11170 | ArrayRef<Expr *> VarList, OpenMPLastprivateModifier LPKind, |
11171 | SourceLocation LPKindLoc, SourceLocation ColonLoc, |
11172 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc); |
11173 | |
11174 | OMPClause *ActOnOpenMPSharedClause(ArrayRef<Expr *> VarList, |
11175 | SourceLocation StartLoc, |
11176 | SourceLocation LParenLoc, |
11177 | SourceLocation EndLoc); |
11178 | |
11179 | OMPClause *ActOnOpenMPReductionClause( |
11180 | ArrayRef<Expr *> VarList, OpenMPReductionClauseModifier Modifier, |
11181 | SourceLocation StartLoc, SourceLocation LParenLoc, |
11182 | SourceLocation ModifierLoc, SourceLocation ColonLoc, |
11183 | SourceLocation EndLoc, CXXScopeSpec &ReductionIdScopeSpec, |
11184 | const DeclarationNameInfo &ReductionId, |
11185 | ArrayRef<Expr *> UnresolvedReductions = llvm::None); |
11186 | |
11187 | OMPClause *ActOnOpenMPTaskReductionClause( |
11188 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, |
11189 | SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc, |
11190 | CXXScopeSpec &ReductionIdScopeSpec, |
11191 | const DeclarationNameInfo &ReductionId, |
11192 | ArrayRef<Expr *> UnresolvedReductions = llvm::None); |
11193 | |
11194 | OMPClause *ActOnOpenMPInReductionClause( |
11195 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, |
11196 | SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc, |
11197 | CXXScopeSpec &ReductionIdScopeSpec, |
11198 | const DeclarationNameInfo &ReductionId, |
11199 | ArrayRef<Expr *> UnresolvedReductions = llvm::None); |
11200 | |
11201 | OMPClause * |
11202 | ActOnOpenMPLinearClause(ArrayRef<Expr *> VarList, Expr *Step, |
11203 | SourceLocation StartLoc, SourceLocation LParenLoc, |
11204 | OpenMPLinearClauseKind LinKind, SourceLocation LinLoc, |
11205 | SourceLocation ColonLoc, SourceLocation EndLoc); |
11206 | |
11207 | OMPClause *ActOnOpenMPAlignedClause(ArrayRef<Expr *> VarList, |
11208 | Expr *Alignment, |
11209 | SourceLocation StartLoc, |
11210 | SourceLocation LParenLoc, |
11211 | SourceLocation ColonLoc, |
11212 | SourceLocation EndLoc); |
11213 | |
11214 | OMPClause *ActOnOpenMPCopyinClause(ArrayRef<Expr *> VarList, |
11215 | SourceLocation StartLoc, |
11216 | SourceLocation LParenLoc, |
11217 | SourceLocation EndLoc); |
11218 | |
11219 | OMPClause *ActOnOpenMPCopyprivateClause(ArrayRef<Expr *> VarList, |
11220 | SourceLocation StartLoc, |
11221 | SourceLocation LParenLoc, |
11222 | SourceLocation EndLoc); |
11223 | |
11224 | OMPClause *ActOnOpenMPFlushClause(ArrayRef<Expr *> VarList, |
11225 | SourceLocation StartLoc, |
11226 | SourceLocation LParenLoc, |
11227 | SourceLocation EndLoc); |
11228 | |
11229 | OMPClause *ActOnOpenMPDepobjClause(Expr *Depobj, SourceLocation StartLoc, |
11230 | SourceLocation LParenLoc, |
11231 | SourceLocation EndLoc); |
11232 | |
11233 | OMPClause * |
11234 | ActOnOpenMPDependClause(Expr *DepModifier, OpenMPDependClauseKind DepKind, |
11235 | SourceLocation DepLoc, SourceLocation ColonLoc, |
11236 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, |
11237 | SourceLocation LParenLoc, SourceLocation EndLoc); |
11238 | |
11239 | OMPClause *ActOnOpenMPDeviceClause(OpenMPDeviceClauseModifier Modifier, |
11240 | Expr *Device, SourceLocation StartLoc, |
11241 | SourceLocation LParenLoc, |
11242 | SourceLocation ModifierLoc, |
11243 | SourceLocation EndLoc); |
11244 | |
11245 | OMPClause * |
11246 | ActOnOpenMPMapClause(ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, |
11247 | ArrayRef<SourceLocation> MapTypeModifiersLoc, |
11248 | CXXScopeSpec &MapperIdScopeSpec, |
11249 | DeclarationNameInfo &MapperId, |
11250 | OpenMPMapClauseKind MapType, bool IsMapTypeImplicit, |
11251 | SourceLocation MapLoc, SourceLocation ColonLoc, |
11252 | ArrayRef<Expr *> VarList, const OMPVarListLocTy &Locs, |
11253 | ArrayRef<Expr *> UnresolvedMappers = llvm::None); |
11254 | |
11255 | OMPClause *ActOnOpenMPNumTeamsClause(Expr *NumTeams, SourceLocation StartLoc, |
11256 | SourceLocation LParenLoc, |
11257 | SourceLocation EndLoc); |
11258 | |
11259 | OMPClause *ActOnOpenMPThreadLimitClause(Expr *ThreadLimit, |
11260 | SourceLocation StartLoc, |
11261 | SourceLocation LParenLoc, |
11262 | SourceLocation EndLoc); |
11263 | |
11264 | OMPClause *ActOnOpenMPPriorityClause(Expr *Priority, SourceLocation StartLoc, |
11265 | SourceLocation LParenLoc, |
11266 | SourceLocation EndLoc); |
11267 | |
11268 | OMPClause *ActOnOpenMPDistScheduleClause( |
11269 | OpenMPDistScheduleClauseKind Kind, Expr *ChunkSize, |
11270 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation KindLoc, |
11271 | SourceLocation CommaLoc, SourceLocation EndLoc); |
11272 | |
11273 | OMPClause *ActOnOpenMPDefaultmapClause( |
11274 | OpenMPDefaultmapClauseModifier M, OpenMPDefaultmapClauseKind Kind, |
11275 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation MLoc, |
11276 | SourceLocation KindLoc, SourceLocation EndLoc); |
11277 | |
11278 | OMPClause * |
11279 | ActOnOpenMPToClause(ArrayRef<OpenMPMotionModifierKind> MotionModifiers, |
11280 | ArrayRef<SourceLocation> MotionModifiersLoc, |
11281 | CXXScopeSpec &MapperIdScopeSpec, |
11282 | DeclarationNameInfo &MapperId, SourceLocation ColonLoc, |
11283 | ArrayRef<Expr *> VarList, const OMPVarListLocTy &Locs, |
11284 | ArrayRef<Expr *> UnresolvedMappers = llvm::None); |
11285 | |
11286 | OMPClause * |
11287 | ActOnOpenMPFromClause(ArrayRef<OpenMPMotionModifierKind> MotionModifiers, |
11288 | ArrayRef<SourceLocation> MotionModifiersLoc, |
11289 | CXXScopeSpec &MapperIdScopeSpec, |
11290 | DeclarationNameInfo &MapperId, SourceLocation ColonLoc, |
11291 | ArrayRef<Expr *> VarList, const OMPVarListLocTy &Locs, |
11292 | ArrayRef<Expr *> UnresolvedMappers = llvm::None); |
11293 | |
11294 | OMPClause *ActOnOpenMPUseDevicePtrClause(ArrayRef<Expr *> VarList, |
11295 | const OMPVarListLocTy &Locs); |
11296 | |
11297 | OMPClause *ActOnOpenMPUseDeviceAddrClause(ArrayRef<Expr *> VarList, |
11298 | const OMPVarListLocTy &Locs); |
11299 | |
11300 | OMPClause *ActOnOpenMPIsDevicePtrClause(ArrayRef<Expr *> VarList, |
11301 | const OMPVarListLocTy &Locs); |
11302 | |
11303 | OMPClause *ActOnOpenMPNontemporalClause(ArrayRef<Expr *> VarList, |
11304 | SourceLocation StartLoc, |
11305 | SourceLocation LParenLoc, |
11306 | SourceLocation EndLoc); |
11307 | |
11308 | |
11309 | struct UsesAllocatorsData { |
11310 | |
11311 | Expr *Allocator = nullptr; |
11312 | |
11313 | Expr *AllocatorTraits = nullptr; |
11314 | |
11315 | SourceLocation LParenLoc, RParenLoc; |
11316 | }; |
11317 | |
11318 | OMPClause *ActOnOpenMPUsesAllocatorClause(SourceLocation StartLoc, |
11319 | SourceLocation LParenLoc, |
11320 | SourceLocation EndLoc, |
11321 | ArrayRef<UsesAllocatorsData> Data); |
11322 | |
11323 | OMPClause *ActOnOpenMPAffinityClause(SourceLocation StartLoc, |
11324 | SourceLocation LParenLoc, |
11325 | SourceLocation ColonLoc, |
11326 | SourceLocation EndLoc, Expr *Modifier, |
11327 | ArrayRef<Expr *> Locators); |
11328 | |
11329 | |
11330 | enum CheckedConversionKind { |
11331 | |
11332 | CCK_ImplicitConversion, |
11333 | |
11334 | CCK_CStyleCast, |
11335 | |
11336 | CCK_FunctionalCast, |
11337 | |
11338 | CCK_OtherCast, |
11339 | |
11340 | CCK_ForBuiltinOverloadedOp |
11341 | }; |
11342 | |
11343 | static bool isCast(CheckedConversionKind CCK) { |
11344 | return CCK == CCK_CStyleCast || CCK == CCK_FunctionalCast || |
11345 | CCK == CCK_OtherCast; |
11346 | } |
11347 | |
11348 | |
11349 | |
11350 | |
11351 | ExprResult |
11352 | ImpCastExprToType(Expr *E, QualType Type, CastKind CK, |
11353 | ExprValueKind VK = VK_PRValue, |
11354 | const CXXCastPath *BasePath = nullptr, |
11355 | CheckedConversionKind CCK = CCK_ImplicitConversion); |
11356 | |
11357 | |
11358 | |
11359 | static CastKind ScalarTypeToBooleanCastKind(QualType ScalarTy); |
11360 | |
11361 | |
11362 | |
11363 | |
11364 | ExprResult IgnoredValueConversions(Expr *E); |
11365 | |
11366 | |
11367 | |
11368 | ExprResult UsualUnaryConversions(Expr *E); |
11369 | |
11370 | |
11371 | |
11372 | ExprResult CallExprUnaryConversions(Expr *E); |
11373 | |
11374 | |
11375 | |
11376 | ExprResult DefaultFunctionArrayConversion(Expr *E, bool Diagnose = true); |
11377 | |
11378 | |
11379 | |
11380 | |
11381 | ExprResult DefaultFunctionArrayLvalueConversion(Expr *E, |
11382 | bool Diagnose = true); |
11383 | |
11384 | |
11385 | |
11386 | |
11387 | ExprResult DefaultLvalueConversion(Expr *E); |
11388 | |
11389 | |
11390 | |
11391 | |
11392 | ExprResult DefaultArgumentPromotion(Expr *E); |
11393 | |
11394 | |
11395 | |
11396 | |
11397 | ExprResult TemporaryMaterializationConversion(Expr *E); |
11398 | |
11399 | |
11400 | enum VariadicCallType { |
11401 | VariadicFunction, |
11402 | VariadicBlock, |
11403 | VariadicMethod, |
11404 | VariadicConstructor, |
11405 | VariadicDoesNotApply |
11406 | }; |
11407 | |
11408 | VariadicCallType getVariadicCallType(FunctionDecl *FDecl, |
11409 | const FunctionProtoType *Proto, |
11410 | Expr *Fn); |
11411 | |
11412 | |
11413 | |
11414 | enum VarArgKind { |
11415 | VAK_Valid, |
11416 | VAK_ValidInCXX11, |
11417 | VAK_Undefined, |
11418 | VAK_MSVCUndefined, |
11419 | VAK_Invalid |
11420 | }; |
11421 | |
11422 | |
11423 | VarArgKind isValidVarArgType(const QualType &Ty); |
11424 | |
11425 | |
11426 | |
11427 | void checkVariadicArgument(const Expr *E, VariadicCallType CT); |
11428 | |
11429 | |
11430 | |
11431 | |
11432 | |
11433 | bool checkAndRewriteMustTailAttr(Stmt *St, const Attr &MTA); |
11434 | |
11435 | private: |
11436 | |
11437 | |
11438 | bool checkMustTailAttr(const Stmt *St, const Attr &MTA); |
11439 | |
11440 | public: |
11441 | |
11442 | bool hasCStrMethod(const Expr *E); |
11443 | |
11444 | |
11445 | |
11446 | bool GatherArgumentsForCall(SourceLocation CallLoc, FunctionDecl *FDecl, |
11447 | const FunctionProtoType *Proto, |
11448 | unsigned FirstParam, ArrayRef<Expr *> Args, |
11449 | SmallVectorImpl<Expr *> &AllArgs, |
11450 | VariadicCallType CallType = VariadicDoesNotApply, |
11451 | bool AllowExplicit = false, |
11452 | bool IsListInitialization = false); |
11453 | |
11454 | |
11455 | |
11456 | ExprResult DefaultVariadicArgumentPromotion(Expr *E, VariadicCallType CT, |
11457 | FunctionDecl *FDecl); |
11458 | |
11459 | |
11460 | enum ArithConvKind { |
11461 | |
11462 | ACK_Arithmetic, |
11463 | |
11464 | ACK_BitwiseOp, |
11465 | |
11466 | ACK_Comparison, |
11467 | |
11468 | ACK_Conditional, |
11469 | |
11470 | ACK_CompAssign, |
11471 | }; |
11472 | |
11473 | |
11474 | |
11475 | |
11476 | |
11477 | |
11478 | QualType UsualArithmeticConversions(ExprResult &LHS, ExprResult &RHS, |
11479 | SourceLocation Loc, ArithConvKind ACK); |
11480 | |
11481 | |
11482 | |
11483 | |
11484 | |
11485 | |
11486 | enum AssignConvertType { |
11487 | |
11488 | Compatible, |
11489 | |
11490 | |
11491 | |
11492 | PointerToInt, |
11493 | |
11494 | |
11495 | |
11496 | IntToPointer, |
11497 | |
11498 | |
11499 | |
11500 | FunctionVoidPointer, |
11501 | |
11502 | |
11503 | |
11504 | IncompatiblePointer, |
11505 | |
11506 | |
11507 | |
11508 | |
11509 | IncompatibleFunctionPointer, |
11510 | |
11511 | |
11512 | |
11513 | |
11514 | |
11515 | IncompatiblePointerSign, |
11516 | |
11517 | |
11518 | |
11519 | CompatiblePointerDiscardsQualifiers, |
11520 | |
11521 | |
11522 | |
11523 | |
11524 | IncompatiblePointerDiscardsQualifiers, |
11525 | |
11526 | |
11527 | |
11528 | |
11529 | |
11530 | IncompatibleNestedPointerAddressSpaceMismatch, |
11531 | |
11532 | |
11533 | |
11534 | |
11535 | |
11536 | IncompatibleNestedPointerQualifiers, |
11537 | |
11538 | |
11539 | |
11540 | IncompatibleVectors, |
11541 | |
11542 | |
11543 | |
11544 | IntToBlockPointer, |
11545 | |
11546 | |
11547 | |
11548 | IncompatibleBlockPointer, |
11549 | |
11550 | |
11551 | |
11552 | |
11553 | IncompatibleObjCQualifiedId, |
11554 | |
11555 | |
11556 | |
11557 | IncompatibleObjCWeakRef, |
11558 | |
11559 | |
11560 | |
11561 | Incompatible |
11562 | }; |
11563 | |
11564 | |
11565 | |
11566 | |
11567 | bool DiagnoseAssignmentResult(AssignConvertType ConvTy, |
11568 | SourceLocation Loc, |
11569 | QualType DstType, QualType SrcType, |
11570 | Expr *SrcExpr, AssignmentAction Action, |
11571 | bool *Complained = nullptr); |
11572 | |
11573 | |
11574 | |
11575 | |
11576 | bool IsValueInFlagEnum(const EnumDecl *ED, const llvm::APInt &Val, |
11577 | bool AllowMask) const; |
11578 | |
11579 | |
11580 | |
11581 | void DiagnoseAssignmentEnum(QualType DstType, QualType SrcType, |
11582 | Expr *SrcExpr); |
11583 | |
11584 | |
11585 | |
11586 | |
11587 | AssignConvertType CheckAssignmentConstraints(SourceLocation Loc, |
11588 | QualType LHSType, |
11589 | QualType RHSType); |
11590 | |
11591 | |
11592 | |
11593 | |
11594 | AssignConvertType CheckAssignmentConstraints(QualType LHSType, |
11595 | ExprResult &RHS, |
11596 | CastKind &Kind, |
11597 | bool ConvertRHS = true); |
11598 | |
11599 | |
11600 | |
11601 | |
11602 | |
11603 | |
11604 | |
11605 | |
11606 | |
11607 | |
11608 | |
11609 | |
11610 | |
11611 | |
11612 | |
11613 | AssignConvertType CheckSingleAssignmentConstraints( |
11614 | QualType LHSType, ExprResult &RHS, bool Diagnose = true, |
11615 | bool DiagnoseCFAudited = false, bool ConvertRHS = true); |
11616 | |
11617 | |
11618 | |
11619 | AssignConvertType CheckTransparentUnionArgumentConstraints(QualType ArgType, |
11620 | ExprResult &RHS); |
11621 | |
11622 | bool IsStringLiteralToNonConstPointerConversion(Expr *From, QualType ToType); |
11623 | |
11624 | bool CheckExceptionSpecCompatibility(Expr *From, QualType ToType); |
11625 | |
11626 | ExprResult PerformImplicitConversion(Expr *From, QualType ToType, |
11627 | AssignmentAction Action, |
11628 | bool AllowExplicit = false); |
11629 | ExprResult PerformImplicitConversion(Expr *From, QualType ToType, |
11630 | const ImplicitConversionSequence& ICS, |
11631 | AssignmentAction Action, |
11632 | CheckedConversionKind CCK |
11633 | = CCK_ImplicitConversion); |
11634 | ExprResult PerformImplicitConversion(Expr *From, QualType ToType, |
11635 | const StandardConversionSequence& SCS, |
11636 | AssignmentAction Action, |
11637 | CheckedConversionKind CCK); |
11638 | |
11639 | ExprResult PerformQualificationConversion( |
11640 | Expr *E, QualType Ty, ExprValueKind VK = VK_PRValue, |
11641 | CheckedConversionKind CCK = CCK_ImplicitConversion); |
11642 | |
11643 | |
11644 | |
11645 | |
11646 | |
11647 | QualType InvalidOperands(SourceLocation Loc, ExprResult &LHS, |
11648 | ExprResult &RHS); |
11649 | QualType InvalidLogicalVectorOperands(SourceLocation Loc, ExprResult &LHS, |
11650 | ExprResult &RHS); |
11651 | QualType CheckPointerToMemberOperands( |
11652 | ExprResult &LHS, ExprResult &RHS, ExprValueKind &VK, |
11653 | SourceLocation OpLoc, bool isIndirect); |
11654 | QualType CheckMultiplyDivideOperands( |
11655 | ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, bool IsCompAssign, |
11656 | bool IsDivide); |
11657 | QualType CheckRemainderOperands( |
11658 | ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, |
11659 | bool IsCompAssign = false); |
11660 | QualType CheckAdditionOperands( |
11661 | ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, |
11662 | BinaryOperatorKind Opc, QualType* CompLHSTy = nullptr); |
11663 | QualType CheckSubtractionOperands( |
11664 | ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, |
11665 | QualType* CompLHSTy = nullptr); |
11666 | QualType CheckShiftOperands( |
11667 | ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, |
11668 | BinaryOperatorKind Opc, bool IsCompAssign = false); |
11669 | void CheckPtrComparisonWithNullChar(ExprResult &E, ExprResult &NullE); |
11670 | QualType CheckCompareOperands( |
11671 | ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, |
11672 | BinaryOperatorKind Opc); |
11673 | QualType CheckBitwiseOperands( |
11674 | ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, |
11675 | BinaryOperatorKind Opc); |
11676 | QualType CheckLogicalOperands( |
11677 | ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, |
11678 | BinaryOperatorKind Opc); |
11679 | |
11680 | |
11681 | |
11682 | QualType CheckAssignmentOperands( |
11683 | Expr *LHSExpr, ExprResult &RHS, SourceLocation Loc, QualType CompoundType); |
11684 | |
11685 | ExprResult checkPseudoObjectIncDec(Scope *S, SourceLocation OpLoc, |
11686 | UnaryOperatorKind Opcode, Expr *Op); |
11687 | ExprResult checkPseudoObjectAssignment(Scope *S, SourceLocation OpLoc, |
11688 | BinaryOperatorKind Opcode, |
11689 | Expr *LHS, Expr *RHS); |
11690 | ExprResult checkPseudoObjectRValue(Expr *E); |
11691 | Expr *recreateSyntacticForm(PseudoObjectExpr *E); |
11692 | |
11693 | QualType CheckConditionalOperands( |
11694 | ExprResult &Cond, ExprResult &LHS, ExprResult &RHS, |
11695 | ExprValueKind &VK, ExprObjectKind &OK, SourceLocation QuestionLoc); |
11696 | QualType CXXCheckConditionalOperands( |
11697 | ExprResult &cond, ExprResult &lhs, ExprResult &rhs, |
11698 | ExprValueKind &VK, ExprObjectKind &OK, SourceLocation questionLoc); |
11699 | QualType CheckVectorConditionalTypes(ExprResult &Cond, ExprResult &LHS, |
11700 | ExprResult &RHS, |
11701 | SourceLocation QuestionLoc); |
11702 | QualType FindCompositePointerType(SourceLocation Loc, Expr *&E1, Expr *&E2, |
11703 | bool ConvertArgs = true); |
11704 | QualType FindCompositePointerType(SourceLocation Loc, |
11705 | ExprResult &E1, ExprResult &E2, |
11706 | bool ConvertArgs = true) { |
11707 | Expr *E1Tmp = E1.get(), *E2Tmp = E2.get(); |
11708 | QualType Composite = |
11709 | FindCompositePointerType(Loc, E1Tmp, E2Tmp, ConvertArgs); |
11710 | E1 = E1Tmp; |
11711 | E2 = E2Tmp; |
11712 | return Composite; |
11713 | } |
11714 | |
11715 | QualType FindCompositeObjCPointerType(ExprResult &LHS, ExprResult &RHS, |
11716 | SourceLocation QuestionLoc); |
11717 | |
11718 | bool DiagnoseConditionalForNull(Expr *LHSExpr, Expr *RHSExpr, |
11719 | SourceLocation QuestionLoc); |
11720 | |
11721 | void DiagnoseAlwaysNonNullPointer(Expr *E, |
11722 | Expr::NullPointerConstantKind NullType, |
11723 | bool IsEqual, SourceRange Range); |
11724 | |
11725 | |
11726 | QualType CheckVectorOperands(ExprResult &LHS, ExprResult &RHS, |
11727 | SourceLocation Loc, bool IsCompAssign, |
11728 | bool AllowBothBool, bool AllowBoolConversion); |
11729 | QualType GetSignedVectorType(QualType V); |
11730 | QualType CheckVectorCompareOperands(ExprResult &LHS, ExprResult &RHS, |
11731 | SourceLocation Loc, |
11732 | BinaryOperatorKind Opc); |
11733 | QualType CheckVectorLogicalOperands(ExprResult &LHS, ExprResult &RHS, |
11734 | SourceLocation Loc); |
11735 | |
11736 | |
11737 | QualType CheckMatrixElementwiseOperands(ExprResult &LHS, ExprResult &RHS, |
11738 | SourceLocation Loc, |
11739 | bool IsCompAssign); |
11740 | QualType CheckMatrixMultiplyOperands(ExprResult &LHS, ExprResult &RHS, |
11741 | SourceLocation Loc, bool IsCompAssign); |
11742 | |
11743 | bool isValidSveBitcast(QualType srcType, QualType destType); |
11744 | |
11745 | bool areMatrixTypesOfTheSameDimension(QualType srcTy, QualType destTy); |
11746 | |
11747 | bool areVectorTypesSameSize(QualType srcType, QualType destType); |
11748 | bool areLaxCompatibleVectorTypes(QualType srcType, QualType destType); |
11749 | bool isLaxVectorConversion(QualType srcType, QualType destType); |
11750 | |
11751 | |
11752 | bool CheckForConstantInitializer(Expr *e, QualType t); |
11753 | |
11754 | |
11755 | |
11756 | |
11757 | |
11758 | |
11759 | enum ReferenceCompareResult { |
11760 | |
11761 | |
11762 | Ref_Incompatible = 0, |
11763 | |
11764 | |
11765 | |
11766 | Ref_Related, |
11767 | |
11768 | Ref_Compatible |
11769 | }; |
11770 | |
11771 | |
11772 | struct ReferenceConversionsScope { |
11773 | |
11774 | |
11775 | |
11776 | enum ReferenceConversions { |
11777 | Qualification = 0x1, |
11778 | NestedQualification = 0x2, |
11779 | Function = 0x4, |
11780 | DerivedToBase = 0x8, |
11781 | ObjC = 0x10, |
11782 | ObjCLifetime = 0x20, |
11783 | |
11784 | LLVM_MARK_AS_BITMASK_ENUM(ObjCLifetime) |
11785 | }; |
11786 | }; |
11787 | using ReferenceConversions = ReferenceConversionsScope::ReferenceConversions; |
11788 | |
11789 | ReferenceCompareResult |
11790 | CompareReferenceRelationship(SourceLocation Loc, QualType T1, QualType T2, |
11791 | ReferenceConversions *Conv = nullptr); |
11792 | |
11793 | ExprResult checkUnknownAnyCast(SourceRange TypeRange, QualType CastType, |
11794 | Expr *CastExpr, CastKind &CastKind, |
11795 | ExprValueKind &VK, CXXCastPath &Path); |
11796 | |
11797 | |
11798 | |
11799 | ExprResult forceUnknownAnyToType(Expr *E, QualType ToType); |
11800 | |
11801 | |
11802 | |
11803 | ExprResult checkUnknownAnyArg(SourceLocation callLoc, |
11804 | Expr *result, QualType ¶mType); |
11805 | |
11806 | |
11807 | |
11808 | |
11809 | |
11810 | bool CheckMatrixCast(SourceRange R, QualType DestTy, QualType SrcTy, |
11811 | CastKind &Kind); |
11812 | |
11813 | |
11814 | |
11815 | |
11816 | |
11817 | bool CheckVectorCast(SourceRange R, QualType VectorTy, QualType Ty, |
11818 | CastKind &Kind); |
11819 | |
11820 | |
11821 | |
11822 | ExprResult prepareVectorSplat(QualType VectorTy, Expr *SplattedExpr); |
11823 | |
11824 | |
11825 | |
11826 | |
11827 | |
11828 | |
11829 | ExprResult CheckExtVectorCast(SourceRange R, QualType DestTy, Expr *CastExpr, |
11830 | CastKind &Kind); |
11831 | |
11832 | ExprResult BuildCXXFunctionalCastExpr(TypeSourceInfo *TInfo, QualType Type, |
11833 | SourceLocation LParenLoc, |
11834 | Expr *CastExpr, |
11835 | SourceLocation RParenLoc); |
11836 | |
11837 | enum ARCConversionResult { ACR_okay, ACR_unbridged, ACR_error }; |
11838 | |
11839 | |
11840 | |
11841 | ARCConversionResult CheckObjCConversion(SourceRange castRange, |
11842 | QualType castType, Expr *&op, |
11843 | CheckedConversionKind CCK, |
11844 | bool Diagnose = true, |
11845 | bool DiagnoseCFAudited = false, |
11846 | BinaryOperatorKind Opc = BO_PtrMemD |
11847 | ); |
11848 | |
11849 | Expr *stripARCUnbridgedCast(Expr *e); |
11850 | void diagnoseARCUnbridgedCast(Expr *e); |
11851 | |
11852 | bool CheckObjCARCUnavailableWeakConversion(QualType castType, |
11853 | QualType ExprType); |
11854 | |
11855 | |
11856 | |
11857 | void checkRetainCycles(ObjCMessageExpr *msg); |
11858 | void checkRetainCycles(Expr *receiver, Expr *argument); |
11859 | void checkRetainCycles(VarDecl *Var, Expr *Init); |
11860 | |
11861 | |
11862 | |
11863 | bool checkUnsafeAssigns(SourceLocation Loc, QualType LHS, Expr *RHS); |
11864 | |
11865 | |
11866 | |
11867 | void checkUnsafeExprAssigns(SourceLocation Loc, Expr *LHS, Expr *RHS); |
11868 | |
11869 | |
11870 | |
11871 | |
11872 | |
11873 | bool CheckMessageArgumentTypes(const Expr *Receiver, QualType ReceiverType, |
11874 | MultiExprArg Args, Selector Sel, |
11875 | ArrayRef<SourceLocation> SelectorLocs, |
11876 | ObjCMethodDecl *Method, bool isClassMessage, |
11877 | bool isSuperMessage, SourceLocation lbrac, |
11878 | SourceLocation rbrac, SourceRange RecRange, |
11879 | QualType &ReturnType, ExprValueKind &VK); |
11880 | |
11881 | |
11882 | |
11883 | |
11884 | QualType getMessageSendResultType(const Expr *Receiver, QualType ReceiverType, |
11885 | ObjCMethodDecl *Method, bool isClassMessage, |
11886 | bool isSuperMessage); |
11887 | |
11888 | |
11889 | |
11890 | void EmitRelatedResultTypeNote(const Expr *E); |
11891 | |
11892 | |
11893 | |
11894 | |
11895 | void EmitRelatedResultTypeNoteForReturn(QualType destType); |
11896 | |
11897 | class ConditionResult { |
11898 | Decl *ConditionVar; |
11899 | FullExprArg Condition; |
11900 | bool Invalid; |
11901 | bool HasKnownValue; |
11902 | bool KnownValue; |
11903 | |
11904 | friend class Sema; |
11905 | ConditionResult(Sema &S, Decl *ConditionVar, FullExprArg Condition, |
11906 | bool IsConstexpr) |
11907 | : ConditionVar(ConditionVar), Condition(Condition), Invalid(false), |
11908 | HasKnownValue(IsConstexpr && Condition.get() && |
11909 | !Condition.get()->isValueDependent()), |
11910 | KnownValue(HasKnownValue && |
11911 | !!Condition.get()->EvaluateKnownConstInt(S.Context)) {} |
11912 | explicit ConditionResult(bool Invalid) |
11913 | : ConditionVar(nullptr), Condition(nullptr), Invalid(Invalid), |
11914 | HasKnownValue(false), KnownValue(false) {} |
11915 | |
11916 | public: |
11917 | ConditionResult() : ConditionResult(false) {} |
11918 | bool isInvalid() const { return Invalid; } |
11919 | std::pair<VarDecl *, Expr *> get() const { |
11920 | return std::make_pair(cast_or_null<VarDecl>(ConditionVar), |
11921 | Condition.get()); |
11922 | } |
11923 | llvm::Optional<bool> getKnownValue() const { |
11924 | if (!HasKnownValue) |
11925 | return None; |
11926 | return KnownValue; |
11927 | } |
11928 | }; |
11929 | static ConditionResult ConditionError() { return ConditionResult(true); } |
11930 | |
11931 | enum class ConditionKind { |
11932 | Boolean, |
11933 | ConstexprIf, |
11934 | Switch |
11935 | }; |
11936 | |
11937 | ConditionResult ActOnCondition(Scope *S, SourceLocation Loc, |
11938 | Expr *SubExpr, ConditionKind CK); |
11939 | |
11940 | ConditionResult ActOnConditionVariable(Decl *ConditionVar, |
11941 | SourceLocation StmtLoc, |
11942 | ConditionKind CK); |
11943 | |
11944 | DeclResult ActOnCXXConditionDeclaration(Scope *S, Declarator &D); |
11945 | |
11946 | ExprResult CheckConditionVariable(VarDecl *ConditionVar, |
11947 | SourceLocation StmtLoc, |
11948 | ConditionKind CK); |
11949 | ExprResult CheckSwitchCondition(SourceLocation SwitchLoc, Expr *Cond); |
11950 | |
11951 | |
11952 | |
11953 | |
11954 | |
11955 | |
11956 | |
11957 | |
11958 | |
11959 | ExprResult CheckBooleanCondition(SourceLocation Loc, Expr *E, |
11960 | bool IsConstexpr = false); |
11961 | |
11962 | |
11963 | |
11964 | ExplicitSpecifier ActOnExplicitBoolSpecifier(Expr *E); |
11965 | |
11966 | |
11967 | |
11968 | bool tryResolveExplicitSpecifier(ExplicitSpecifier &ExplicitSpec); |
11969 | |
11970 | |
11971 | |
11972 | void DiagnoseAssignmentAsCondition(Expr *E); |
11973 | |
11974 | |
11975 | |
11976 | void DiagnoseEqualityWithExtraParens(ParenExpr *ParenE); |
11977 | |
11978 | |
11979 | ExprResult CheckCXXBooleanCondition(Expr *CondExpr, bool IsConstexpr = false); |
11980 | |
11981 | |
11982 | |
11983 | |
11984 | void ConvertIntegerToTypeWarnOnOverflow(llvm::APSInt &OldVal, |
11985 | unsigned NewWidth, bool NewSign, |
11986 | SourceLocation Loc, unsigned DiagID); |
11987 | |
11988 | |
11989 | |
11990 | |
11991 | bool CheckObjCDeclScope(Decl *D); |
11992 | |
11993 | |
11994 | |
11995 | class VerifyICEDiagnoser { |
11996 | public: |
11997 | bool Suppress; |
11998 | |
11999 | VerifyICEDiagnoser(bool Suppress = false) : Suppress(Suppress) { } |
12000 | |
12001 | virtual SemaDiagnosticBuilder |
12002 | diagnoseNotICEType(Sema &S, SourceLocation Loc, QualType T); |
12003 | virtual SemaDiagnosticBuilder diagnoseNotICE(Sema &S, |
12004 | SourceLocation Loc) = 0; |
12005 | virtual SemaDiagnosticBuilder diagnoseFold(Sema &S, SourceLocation Loc); |
12006 | virtual ~VerifyICEDiagnoser() {} |
12007 | }; |
12008 | |
12009 | enum AllowFoldKind { |
12010 | NoFold, |
12011 | AllowFold, |
12012 | }; |
12013 | |
12014 | |
12015 | |
12016 | |
12017 | ExprResult VerifyIntegerConstantExpression(Expr *E, llvm::APSInt *Result, |
12018 | VerifyICEDiagnoser &Diagnoser, |
12019 | AllowFoldKind CanFold = NoFold); |
12020 | ExprResult VerifyIntegerConstantExpression(Expr *E, llvm::APSInt *Result, |
12021 | unsigned DiagID, |
12022 | AllowFoldKind CanFold = NoFold); |
12023 | ExprResult VerifyIntegerConstantExpression(Expr *E, |
12024 | llvm::APSInt *Result = nullptr, |
12025 | AllowFoldKind CanFold = NoFold); |
12026 | ExprResult VerifyIntegerConstantExpression(Expr *E, |
12027 | AllowFoldKind CanFold = NoFold) { |
12028 | return VerifyIntegerConstantExpression(E, nullptr, CanFold); |
12029 | } |
12030 | |
12031 | |
12032 | |
12033 | |
12034 | |
12035 | ExprResult VerifyBitField(SourceLocation FieldLoc, IdentifierInfo *FieldName, |
12036 | QualType FieldTy, bool IsMsStruct, |
12037 | Expr *BitWidth, bool *ZeroWidth = nullptr); |
12038 | |
12039 | private: |
12040 | unsigned ForceCUDAHostDeviceDepth = 0; |
12041 | |
12042 | public: |
12043 | |
12044 | |
12045 | |
12046 | void PushForceCUDAHostDevice(); |
12047 | |
12048 | |
12049 | |
12050 | |
12051 | bool PopForceCUDAHostDevice(); |
12052 | |
12053 | |
12054 | |
12055 | |
12056 | llvm::DenseMap<CanonicalDeclPtr<FunctionDecl>, |
12057 | std::vector<PartialDiagnosticAt>> |
12058 | DeviceDeferredDiags; |
12059 | |
12060 | |
12061 | |
12062 | struct FunctionDeclAndLoc { |
12063 | CanonicalDeclPtr<FunctionDecl> FD; |
12064 | SourceLocation Loc; |
12065 | }; |
12066 | |
12067 | |
12068 | |
12069 | |
12070 | llvm::DenseSet<FunctionDeclAndLoc> LocsWithCUDACallDiags; |
12071 | |
12072 | |
12073 | |
12074 | |
12075 | |
12076 | |
12077 | llvm::DenseMap< CanonicalDeclPtr<FunctionDecl>, |
12078 | FunctionDeclAndLoc> |
12079 | DeviceKnownEmittedFns; |
12080 | |
12081 | |
12082 | |
12083 | |
12084 | |
12085 | |
12086 | |
12087 | |
12088 | |
12089 | |
12090 | |
12091 | |
12092 | |
12093 | |
12094 | |
12095 | |
12096 | |
12097 | |
12098 | SemaDiagnosticBuilder CUDADiagIfDeviceCode(SourceLocation Loc, |
12099 | unsigned DiagID); |
12100 | |
12101 | |
12102 | |
12103 | |
12104 | |
12105 | SemaDiagnosticBuilder CUDADiagIfHostCode(SourceLocation Loc, unsigned DiagID); |
12106 | |
12107 | |
12108 | |
12109 | |
12110 | |
12111 | |
12112 | |
12113 | |
12114 | |
12115 | |
12116 | |
12117 | |
12118 | |
12119 | |
12120 | |
12121 | |
12122 | SemaDiagnosticBuilder |
12123 | diagIfOpenMPDeviceCode(SourceLocation Loc, unsigned DiagID, FunctionDecl *FD); |
12124 | |
12125 | |
12126 | |
12127 | |
12128 | |
12129 | |
12130 | |
12131 | |
12132 | |
12133 | |
12134 | |
12135 | |
12136 | |
12137 | |
12138 | SemaDiagnosticBuilder diagIfOpenMPHostCode(SourceLocation Loc, |
12139 | unsigned DiagID, FunctionDecl *FD); |
12140 | |
12141 | SemaDiagnosticBuilder targetDiag(SourceLocation Loc, unsigned DiagID, |
12142 | FunctionDecl *FD = nullptr); |
12143 | SemaDiagnosticBuilder targetDiag(SourceLocation Loc, |
12144 | const PartialDiagnostic &PD, |
12145 | FunctionDecl *FD = nullptr) { |
12146 | return targetDiag(Loc, PD.getDiagID(), FD) << PD; |
12147 | } |
12148 | |
12149 | |
12150 | |
12151 | void checkDeviceDecl(ValueDecl *D, SourceLocation Loc); |
12152 | |
12153 | enum CUDAFunctionTarget { |
12154 | CFT_Device, |
12155 | CFT_Global, |
12156 | CFT_Host, |
12157 | CFT_HostDevice, |
12158 | CFT_InvalidTarget |
12159 | }; |
12160 | |
12161 | |
12162 | |
12163 | |
12164 | |
12165 | |
12166 | CUDAFunctionTarget IdentifyCUDATarget(const FunctionDecl *D, |
12167 | bool IgnoreImplicitHDAttr = false); |
12168 | CUDAFunctionTarget IdentifyCUDATarget(const ParsedAttributesView &Attrs); |
12169 | |
12170 | enum CUDAVariableTarget { |
12171 | CVT_Device, |
12172 | CVT_Host, |
12173 | CVT_Both, |
12174 | CVT_Unified, |
12175 | }; |
12176 | |
12177 | CUDAVariableTarget IdentifyCUDATarget(const VarDecl *D); |
12178 | |
12179 | |
12180 | CUDAFunctionTarget CurrentCUDATarget() { |
12181 | return IdentifyCUDATarget(dyn_cast<FunctionDecl>(CurContext)); |
12182 | } |
12183 | |
12184 | static bool isCUDAImplicitHostDeviceFunction(const FunctionDecl *D); |
12185 | |
12186 | |
12187 | |
12188 | enum CUDAFunctionPreference { |
12189 | CFP_Never, |
12190 | CFP_WrongSide, |
12191 | |
12192 | |
12193 | CFP_HostDevice, |
12194 | CFP_SameSide, |
12195 | |
12196 | CFP_Native, |
12197 | }; |
12198 | |
12199 | |
12200 | |
12201 | |
12202 | |
12203 | |
12204 | |
12205 | |
12206 | CUDAFunctionPreference IdentifyCUDAPreference(const FunctionDecl *Caller, |
12207 | const FunctionDecl *Callee); |
12208 | |
12209 | |
12210 | |
12211 | |
12212 | |
12213 | |
12214 | bool IsAllowedCUDACall(const FunctionDecl *Caller, |
12215 | const FunctionDecl *Callee) { |
12216 | return IdentifyCUDAPreference(Caller, Callee) != CFP_Never; |
12217 | } |
12218 | |
12219 | |
12220 | |
12221 | void maybeAddCUDAHostDeviceAttrs(FunctionDecl *FD, |
12222 | const LookupResult &Previous); |
12223 | |
12224 | |
12225 | |
12226 | void MaybeAddCUDAConstantAttr(VarDecl *VD); |
12227 | |
12228 | public: |
12229 | |
12230 | |
12231 | |
12232 | |
12233 | |
12234 | |
12235 | |
12236 | |
12237 | |
12238 | |
12239 | |
12240 | |
12241 | |
12242 | |
12243 | bool CheckCUDACall(SourceLocation Loc, FunctionDecl *Callee); |
12244 | |
12245 | void CUDACheckLambdaCapture(CXXMethodDecl *D, const sema::Capture &Capture); |
12246 | |
12247 | |
12248 | |
12249 | |
12250 | |
12251 | |
12252 | void CUDASetLambdaAttrs(CXXMethodDecl *Method); |
12253 | |
12254 | |
12255 | |
12256 | |
12257 | void EraseUnwantedCUDAMatches( |
12258 | const FunctionDecl *Caller, |
12259 | SmallVectorImpl<std::pair<DeclAccessPair, FunctionDecl *>> &Matches); |
12260 | |
12261 | |
12262 | |
12263 | |
12264 | |
12265 | |
12266 | |
12267 | |
12268 | |
12269 | |
12270 | |
12271 | |
12272 | bool inferCUDATargetForImplicitSpecialMember(CXXRecordDecl *ClassDecl, |
12273 | CXXSpecialMember CSM, |
12274 | CXXMethodDecl *MemberDecl, |
12275 | bool ConstRHS, |
12276 | bool Diagnose); |
12277 | |
12278 | |
12279 | |
12280 | bool isEmptyCudaConstructor(SourceLocation Loc, CXXConstructorDecl *CD); |
12281 | bool isEmptyCudaDestructor(SourceLocation Loc, CXXDestructorDecl *CD); |
12282 | |
12283 | |
12284 | |
12285 | |
12286 | |
12287 | |
12288 | |
12289 | |
12290 | |
12291 | void checkAllowedCUDAInitializer(VarDecl *VD); |
12292 | |
12293 | |
12294 | |
12295 | void checkCUDATargetOverload(FunctionDecl *NewFD, |
12296 | const LookupResult &Previous); |
12297 | |
12298 | void inheritCUDATargetAttrs(FunctionDecl *FD, const FunctionTemplateDecl &TD); |
12299 | |
12300 | |
12301 | |
12302 | |
12303 | std::string getCudaConfigureFuncName() const; |
12304 | |
12305 | |
12306 | |
12307 | |
12308 | enum ParserCompletionContext { |
12309 | |
12310 | PCC_Namespace, |
12311 | |
12312 | PCC_Class, |
12313 | |
12314 | |
12315 | PCC_ObjCInterface, |
12316 | |
12317 | |
12318 | PCC_ObjCImplementation, |
12319 | |
12320 | |
12321 | PCC_ObjCInstanceVariableList, |
12322 | |
12323 | |
12324 | PCC_Template, |
12325 | |
12326 | |
12327 | PCC_MemberTemplate, |
12328 | |
12329 | PCC_Expression, |
12330 | |
12331 | |
12332 | PCC_Statement, |
12333 | |
12334 | |
12335 | PCC_ForInit, |
12336 | |
12337 | |
12338 | PCC_Condition, |
12339 | |
12340 | |
12341 | |
12342 | PCC_RecoveryInFunction, |
12343 | |
12344 | PCC_Type, |
12345 | |
12346 | |
12347 | PCC_ParenthesizedExpression, |
12348 | |
12349 | |
12350 | PCC_LocalDeclarationSpecifiers |
12351 | }; |
12352 | |
12353 | void CodeCompleteModuleImport(SourceLocation ImportLoc, ModuleIdPath Path); |
12354 | void CodeCompleteOrdinaryName(Scope *S, |
12355 | ParserCompletionContext CompletionContext); |
12356 | void CodeCompleteDeclSpec(Scope *S, DeclSpec &DS, |
12357 | bool AllowNonIdentifiers, |
12358 | bool AllowNestedNameSpecifiers); |
12359 | |
12360 | struct CodeCompleteExpressionData; |
12361 | void CodeCompleteExpression(Scope *S, |
12362 | const CodeCompleteExpressionData &Data); |
12363 | void CodeCompleteExpression(Scope *S, QualType PreferredType, |
12364 | bool IsParenthesized = false); |
12365 | void CodeCompleteMemberReferenceExpr(Scope *S, Expr *Base, Expr *OtherOpBase, |
12366 | SourceLocation OpLoc, bool IsArrow, |
12367 | bool IsBaseExprStatement, |
12368 | QualType PreferredType); |
12369 | void CodeCompletePostfixExpression(Scope *S, ExprResult LHS, |
12370 | QualType PreferredType); |
12371 | void CodeCompleteTag(Scope *S, unsigned TagSpec); |
12372 | void CodeCompleteTypeQualifiers(DeclSpec &DS); |
12373 | void CodeCompleteFunctionQualifiers(DeclSpec &DS, Declarator &D, |
12374 | const VirtSpecifiers *VS = nullptr); |
12375 | void CodeCompleteBracketDeclarator(Scope *S); |
12376 | void CodeCompleteCase(Scope *S); |
12377 | |
12378 | |
12379 | |
12380 | |
12381 | |
12382 | |
12383 | |
12384 | |
12385 | QualType ProduceCallSignatureHelp(Scope *S, Expr *Fn, ArrayRef<Expr *> Args, |
12386 | SourceLocation OpenParLoc); |
12387 | QualType ProduceConstructorSignatureHelp(Scope *S, QualType Type, |
12388 | SourceLocation Loc, |
12389 | ArrayRef<Expr *> Args, |
12390 | SourceLocation OpenParLoc); |
12391 | QualType ProduceCtorInitMemberSignatureHelp(Scope *S, Decl *ConstructorDecl, |
12392 | CXXScopeSpec SS, |
12393 | ParsedType TemplateTypeTy, |
12394 | ArrayRef<Expr *> ArgExprs, |
12395 | IdentifierInfo *II, |
12396 | SourceLocation OpenParLoc); |
12397 | void CodeCompleteInitializer(Scope *S, Decl *D); |
12398 | |
12399 | |
12400 | |
12401 | void CodeCompleteDesignator(const QualType BaseType, |
12402 | llvm::ArrayRef<Expr *> InitExprs, |
12403 | const Designation &D); |
12404 | void CodeCompleteAfterIf(Scope *S, bool IsBracedThen); |
12405 | |
12406 | void CodeCompleteQualifiedId(Scope *S, CXXScopeSpec &SS, bool EnteringContext, |
12407 | bool IsUsingDeclaration, QualType BaseType, |
12408 | QualType PreferredType); |
12409 | void CodeCompleteUsing(Scope *S); |
12410 | void CodeCompleteUsingDirective(Scope *S); |
12411 | void CodeCompleteNamespaceDecl(Scope *S); |
12412 | void CodeCompleteNamespaceAliasDecl(Scope *S); |
12413 | void CodeCompleteOperatorName(Scope *S); |
12414 | void CodeCompleteConstructorInitializer( |
12415 | Decl *Constructor, |
12416 | ArrayRef<CXXCtorInitializer *> Initializers); |
12417 | |
12418 | void CodeCompleteLambdaIntroducer(Scope *S, LambdaIntroducer &Intro, |
12419 | bool AfterAmpersand); |
12420 | void CodeCompleteAfterFunctionEquals(Declarator &D); |
12421 | |
12422 | void CodeCompleteObjCAtDirective(Scope *S); |
12423 | void CodeCompleteObjCAtVisibility(Scope *S); |
12424 | void CodeCompleteObjCAtStatement(Scope *S); |
12425 | void CodeCompleteObjCAtExpression(Scope *S); |
12426 | void CodeCompleteObjCPropertyFlags(Scope *S, ObjCDeclSpec &ODS); |
12427 | void CodeCompleteObjCPropertyGetter(Scope *S); |
12428 | void CodeCompleteObjCPropertySetter(Scope *S); |
12429 | void CodeCompleteObjCPassingType(Scope *S, ObjCDeclSpec &DS, |
12430 | bool IsParameter); |
12431 | void CodeCompleteObjCMessageReceiver(Scope *S); |
12432 | void CodeCompleteObjCSuperMessage(Scope *S, SourceLocation SuperLoc, |
12433 | ArrayRef<IdentifierInfo *> SelIdents, |
12434 | bool AtArgumentExpression); |
12435 | void CodeCompleteObjCClassMessage(Scope *S, ParsedType Receiver, |
12436 | ArrayRef<IdentifierInfo *> SelIdents, |
12437 | bool AtArgumentExpression, |
12438 | bool IsSuper = false); |
12439 | void CodeCompleteObjCInstanceMessage(Scope *S, Expr *Receiver, |
12440 | ArrayRef<IdentifierInfo *> SelIdents, |
12441 | bool AtArgumentExpression, |
12442 | ObjCInterfaceDecl *Super = nullptr); |
12443 | void CodeCompleteObjCForCollection(Scope *S, |
12444 | DeclGroupPtrTy IterationVar); |
12445 | void CodeCompleteObjCSelector(Scope *S, |
12446 | ArrayRef<IdentifierInfo *> SelIdents); |
12447 | void CodeCompleteObjCProtocolReferences( |
12448 | ArrayRef<IdentifierLocPair> Protocols); |
12449 | void CodeCompleteObjCProtocolDecl(Scope *S); |
12450 | void CodeCompleteObjCInterfaceDecl(Scope *S); |
12451 | void CodeCompleteObjCSuperclass(Scope *S, |
12452 | IdentifierInfo *ClassName, |
12453 | SourceLocation ClassNameLoc); |
12454 | void CodeCompleteObjCImplementationDecl(Scope *S); |
12455 | void CodeCompleteObjCInterfaceCategory(Scope *S, |
12456 | IdentifierInfo *ClassName, |
12457 | SourceLocation ClassNameLoc); |
12458 | void CodeCompleteObjCImplementationCategory(Scope *S, |
12459 | IdentifierInfo *ClassName, |
12460 | SourceLocation ClassNameLoc); |
12461 | void CodeCompleteObjCPropertyDefinition(Scope *S); |
12462 | void CodeCompleteObjCPropertySynthesizeIvar(Scope *S, |
12463 | IdentifierInfo *PropertyName); |
12464 | void CodeCompleteObjCMethodDecl(Scope *S, Optional<bool> IsInstanceMethod, |
12465 | ParsedType ReturnType); |
12466 | void CodeCompleteObjCMethodDeclSelector(Scope *S, |
12467 | bool IsInstanceMethod, |
12468 | bool AtParameterName, |
12469 | ParsedType ReturnType, |
12470 | ArrayRef<IdentifierInfo *> SelIdents); |
12471 | void CodeCompleteObjCClassPropertyRefExpr(Scope *S, IdentifierInfo &ClassName, |
12472 | SourceLocation ClassNameLoc, |
12473 | bool IsBaseExprStatement); |
12474 | void CodeCompletePreprocessorDirective(bool InConditional); |
12475 | void CodeCompleteInPreprocessorConditionalExclusion(Scope *S); |
12476 | void CodeCompletePreprocessorMacroName(bool IsDefinition); |
12477 | void CodeCompletePreprocessorExpression(); |
12478 | void CodeCompletePreprocessorMacroArgument(Scope *S, |
12479 | IdentifierInfo *Macro, |
12480 | MacroInfo *MacroInfo, |
12481 | unsigned Argument); |
12482 | void CodeCompleteIncludedFile(llvm::StringRef Dir, bool IsAngled); |
12483 | void CodeCompleteNaturalLanguage(); |
12484 | void CodeCompleteAvailabilityPlatformName(); |
12485 | void GatherGlobalCodeCompletions(CodeCompletionAllocator &Allocator, |
12486 | CodeCompletionTUInfo &CCTUInfo, |
12487 | SmallVectorImpl<CodeCompletionResult> &Results); |
12488 | |
12489 | |
12490 | |
12491 | |
12492 | |
12493 | public: |
12494 | SourceLocation getLocationOfStringLiteralByte(const StringLiteral *SL, |
12495 | unsigned ByteNo) const; |
12496 | |
12497 | private: |
12498 | void CheckArrayAccess(const Expr *BaseExpr, const Expr *IndexExpr, |
12499 | const ArraySubscriptExpr *ASE=nullptr, |
12500 | bool AllowOnePastEnd=true, bool IndexNegated=false); |
12501 | void CheckArrayAccess(const Expr *E); |
12502 | |
12503 | |
12504 | struct FormatStringInfo { |
12505 | unsigned FormatIdx; |
12506 | unsigned FirstDataArg; |
12507 | bool HasVAListArg; |
12508 | }; |
12509 | |
12510 | static bool getFormatStringInfo(const FormatAttr *Format, bool IsCXXMember, |
12511 | FormatStringInfo *FSI); |
12512 | bool CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall, |
12513 | const FunctionProtoType *Proto); |
12514 | bool CheckObjCMethodCall(ObjCMethodDecl *Method, SourceLocation loc, |
12515 | ArrayRef<const Expr *> Args); |
12516 | bool CheckPointerCall(NamedDecl *NDecl, CallExpr *TheCall, |
12517 | const FunctionProtoType *Proto); |
12518 | bool CheckOtherCall(CallExpr *TheCall, const FunctionProtoType *Proto); |
12519 | void CheckConstructorCall(FunctionDecl *FDecl, QualType ThisType, |
12520 | ArrayRef<const Expr *> Args, |
12521 | const FunctionProtoType *Proto, SourceLocation Loc); |
12522 | |
12523 | void CheckArgAlignment(SourceLocation Loc, NamedDecl *FDecl, |
12524 | StringRef ParamName, QualType ArgTy, QualType ParamTy); |
12525 | |
12526 | void checkCall(NamedDecl *FDecl, const FunctionProtoType *Proto, |
12527 | const Expr *ThisArg, ArrayRef<const Expr *> Args, |
12528 | bool IsMemberFunction, SourceLocation Loc, SourceRange Range, |
12529 | VariadicCallType CallType); |
12530 | |
12531 | bool CheckObjCString(Expr *Arg); |
12532 | ExprResult CheckOSLogFormatStringArg(Expr *Arg); |
12533 | |
12534 | ExprResult CheckBuiltinFunctionCall(FunctionDecl *FDecl, |
12535 | unsigned BuiltinID, CallExpr *TheCall); |
12536 | |
12537 | bool CheckTSBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, |
12538 | CallExpr *TheCall); |
12539 | |
12540 | void checkFortifiedBuiltinMemoryFunction(FunctionDecl *FD, CallExpr *TheCall); |
12541 | |
12542 | bool CheckARMBuiltinExclusiveCall(unsigned BuiltinID, CallExpr *TheCall, |
12543 | unsigned MaxWidth); |
12544 | bool CheckNeonBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, |
12545 | CallExpr *TheCall); |
12546 | bool CheckMVEBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall); |
12547 | bool CheckSVEBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall); |
12548 | bool CheckCDEBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, |
12549 | CallExpr *TheCall); |
12550 | bool CheckARMCoprocessorImmediate(const TargetInfo &TI, const Expr *CoprocArg, |
12551 | bool WantCDE); |
12552 | bool CheckARMBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, |
12553 | CallExpr *TheCall); |
12554 | |
12555 | bool CheckAArch64BuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, |
12556 | CallExpr *TheCall); |
12557 | bool CheckBPFBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall); |
12558 | bool CheckHexagonBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall); |
12559 | bool CheckHexagonBuiltinArgument(unsigned BuiltinID, CallExpr *TheCall); |
12560 | bool CheckMipsBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, |
12561 | CallExpr *TheCall); |
12562 | bool CheckMipsBuiltinCpu(const TargetInfo &TI, unsigned BuiltinID, |
12563 | CallExpr *TheCall); |
12564 | bool CheckMipsBuiltinArgument(unsigned BuiltinID, CallExpr *TheCall); |
12565 | bool CheckSystemZBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall); |
12566 | bool CheckX86BuiltinRoundingOrSAE(unsigned BuiltinID, CallExpr *TheCall); |
12567 | bool CheckX86BuiltinGatherScatterScale(unsigned BuiltinID, CallExpr *TheCall); |
12568 | bool CheckX86BuiltinTileArguments(unsigned BuiltinID, CallExpr *TheCall); |
12569 | bool CheckX86BuiltinTileArgumentsRange(CallExpr *TheCall, |
12570 | ArrayRef<int> ArgNums); |
12571 | bool CheckX86BuiltinTileDuplicate(CallExpr *TheCall, ArrayRef<int> ArgNums); |
12572 | bool CheckX86BuiltinTileRangeAndDuplicate(CallExpr *TheCall, |
12573 | ArrayRef<int> ArgNums); |
12574 | bool CheckX86BuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, |
12575 | CallExpr *TheCall); |
12576 | bool CheckPPCBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, |
12577 | CallExpr *TheCall); |
12578 | bool CheckAMDGCNBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall); |
12579 | bool CheckRISCVLMUL(CallExpr *TheCall, unsigned ArgNum); |
12580 | bool CheckRISCVBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, |
12581 | CallExpr *TheCall); |
12582 | |
12583 | bool SemaBuiltinVAStart(unsigned BuiltinID, CallExpr *TheCall); |
12584 | bool SemaBuiltinVAStartARMMicrosoft(CallExpr *Call); |
12585 | bool SemaBuiltinUnorderedCompare(CallExpr *TheCall); |
12586 | bool SemaBuiltinFPClassification(CallExpr *TheCall, unsigned NumArgs); |
12587 | bool SemaBuiltinComplex(CallExpr *TheCall); |
12588 | bool SemaBuiltinVSX(CallExpr *TheCall); |
12589 | bool SemaBuiltinOSLogFormat(CallExpr *TheCall); |
12590 | bool SemaValueIsRunOfOnes(CallExpr *TheCall, unsigned ArgNum); |
12591 | |
12592 | public: |
12593 | |
12594 | ExprResult SemaBuiltinShuffleVector(CallExpr *TheCall); |
12595 | ExprResult SemaConvertVectorExpr(Expr *E, TypeSourceInfo *TInfo, |
12596 | SourceLocation BuiltinLoc, |
12597 | SourceLocation RParenLoc); |
12598 | |
12599 | private: |
12600 | bool SemaBuiltinPrefetch(CallExpr *TheCall); |
12601 | bool SemaBuiltinAllocaWithAlign(CallExpr *TheCall); |
12602 | bool SemaBuiltinArithmeticFence(CallExpr *TheCall); |
12603 | bool SemaBuiltinAssume(CallExpr *TheCall); |
12604 | bool SemaBuiltinAssumeAligned(CallExpr *TheCall); |
12605 | bool SemaBuiltinLongjmp(CallExpr *TheCall); |
12606 | bool SemaBuiltinSetjmp(CallExpr *TheCall); |
12607 | ExprResult SemaBuiltinAtomicOverloaded(ExprResult TheCallResult); |
12608 | ExprResult SemaBuiltinNontemporalOverloaded(ExprResult TheCallResult); |
12609 | ExprResult SemaAtomicOpsOverloaded(ExprResult TheCallResult, |
12610 | AtomicExpr::AtomicOp Op); |
12611 | ExprResult SemaBuiltinOperatorNewDeleteOverloaded(ExprResult TheCallResult, |
12612 | bool IsDelete); |
12613 | bool SemaBuiltinConstantArg(CallExpr *TheCall, int ArgNum, |
12614 | llvm::APSInt &Result); |
12615 | bool SemaBuiltinConstantArgRange(CallExpr *TheCall, int ArgNum, int Low, |
12616 | int High, bool RangeIsError = true); |
12617 | bool SemaBuiltinConstantArgMultiple(CallExpr *TheCall, int ArgNum, |
12618 | unsigned Multiple); |
12619 | bool SemaBuiltinConstantArgPower2(CallExpr *TheCall, int ArgNum); |
12620 | bool SemaBuiltinConstantArgShiftedByte(CallExpr *TheCall, int ArgNum, |
12621 | unsigned ArgBits); |
12622 | bool SemaBuiltinConstantArgShiftedByteOrXXFF(CallExpr *TheCall, int ArgNum, |
12623 | unsigned ArgBits); |
12624 | bool SemaBuiltinARMSpecialReg(unsigned BuiltinID, CallExpr *TheCall, |
12625 | int ArgNum, unsigned ExpectedFieldNum, |
12626 | bool AllowName); |
12627 | bool SemaBuiltinARMMemoryTaggingCall(unsigned BuiltinID, CallExpr *TheCall); |
12628 | bool SemaBuiltinPPCMMACall(CallExpr *TheCall, const char *TypeDesc); |
12629 | |
12630 | bool CheckPPCMMAType(QualType Type, SourceLocation TypeLoc); |
12631 | |
12632 | |
12633 | ExprResult SemaBuiltinMatrixTranspose(CallExpr *TheCall, |
12634 | ExprResult CallResult); |
12635 | ExprResult SemaBuiltinMatrixColumnMajorLoad(CallExpr *TheCall, |
12636 | ExprResult CallResult); |
12637 | ExprResult SemaBuiltinMatrixColumnMajorStore(CallExpr *TheCall, |
12638 | ExprResult CallResult); |
12639 | |
12640 | public: |
12641 | enum FormatStringType { |
12642 | FST_Scanf, |
12643 | FST_Printf, |
12644 | FST_NSString, |
12645 | FST_Strftime, |
12646 | FST_Strfmon, |
12647 | FST_Kprintf, |
12648 | FST_FreeBSDKPrintf, |
12649 | FST_OSTrace, |
12650 | FST_OSLog, |
12651 | FST_Syslog, |
12652 | FST_Unknown |
12653 | }; |
12654 | static FormatStringType GetFormatStringType(const FormatAttr *Format); |
12655 | |
12656 | bool FormatStringHasSArg(const StringLiteral *FExpr); |
12657 | |
12658 | static bool GetFormatNSStringIdx(const FormatAttr *Format, unsigned &Idx); |
12659 | |
12660 | private: |
12661 | bool CheckFormatArguments(const FormatAttr *Format, |
12662 | ArrayRef<const Expr *> Args, |
12663 | bool IsCXXMember, |
12664 | VariadicCallType CallType, |
12665 | SourceLocation Loc, SourceRange Range, |
12666 | llvm::SmallBitVector &CheckedVarArgs); |
12667 | bool CheckFormatArguments(ArrayRef<const Expr *> Args, |
12668 | bool HasVAListArg, unsigned format_idx, |
12669 | unsigned firstDataArg, FormatStringType Type, |
12670 | VariadicCallType CallType, |
12671 | SourceLocation Loc, SourceRange range, |
12672 | llvm::SmallBitVector &CheckedVarArgs); |
12673 | |
12674 | void CheckAbsoluteValueFunction(const CallExpr *Call, |
12675 | const FunctionDecl *FDecl); |
12676 | |
12677 | void CheckMaxUnsignedZero(const CallExpr *Call, const FunctionDecl *FDecl); |
12678 | |
12679 | void CheckMemaccessArguments(const CallExpr *Call, |
12680 | unsigned BId, |
12681 | IdentifierInfo *FnName); |
12682 | |
12683 | void CheckStrlcpycatArguments(const CallExpr *Call, |
12684 | IdentifierInfo *FnName); |
12685 | |
12686 | void CheckStrncatArguments(const CallExpr *Call, |
12687 | IdentifierInfo *FnName); |
12688 | |
12689 | void CheckFreeArguments(const CallExpr *E); |
12690 | |
12691 | void CheckReturnValExpr(Expr *RetValExp, QualType lhsType, |
12692 | SourceLocation ReturnLoc, |
12693 | bool isObjCMethod = false, |
12694 | const AttrVec *Attrs = nullptr, |
12695 | const FunctionDecl *FD = nullptr); |
12696 | |
12697 | public: |
12698 | void CheckFloatComparison(SourceLocation Loc, Expr *LHS, Expr *RHS); |
12699 | |
12700 | private: |
12701 | void CheckImplicitConversions(Expr *E, SourceLocation CC = SourceLocation()); |
12702 | void CheckBoolLikeConversion(Expr *E, SourceLocation CC); |
12703 | void CheckForIntOverflow(Expr *E); |
12704 | void CheckUnsequencedOperations(const Expr *E); |
12705 | |
12706 | |
12707 | |
12708 | void CheckCompletedExpr(Expr *E, SourceLocation CheckLoc = SourceLocation(), |
12709 | bool IsConstexpr = false); |
12710 | |
12711 | void CheckBitFieldInitialization(SourceLocation InitLoc, FieldDecl *Field, |
12712 | Expr *Init); |
12713 | |
12714 | |
12715 | void CheckShadowInheritedFields(const SourceLocation &Loc, |
12716 | DeclarationName FieldName, |
12717 | const CXXRecordDecl *RD, |
12718 | bool DeclIsField = true); |
12719 | |
12720 | |
12721 | |
12722 | void CheckBreakContinueBinding(Expr *E); |
12723 | |
12724 | |
12725 | |
12726 | void CheckObjCCircularContainer(ObjCMessageExpr *Message); |
12727 | |
12728 | void CheckTCBEnforcement(const CallExpr *TheCall, const FunctionDecl *Callee); |
12729 | |
12730 | void AnalyzeDeleteExprMismatch(const CXXDeleteExpr *DE); |
12731 | void AnalyzeDeleteExprMismatch(FieldDecl *Field, SourceLocation DeleteLoc, |
12732 | bool DeleteWasArrayForm); |
12733 | public: |
12734 | |
12735 | void RegisterTypeTagForDatatype(const IdentifierInfo *ArgumentKind, |
12736 | uint64_t MagicValue, QualType Type, |
12737 | bool LayoutCompatible, bool MustBeNull); |
12738 | |
12739 | struct TypeTagData { |
12740 | TypeTagData() {} |
12741 | |
12742 | TypeTagData(QualType Type, bool LayoutCompatible, bool MustBeNull) : |
12743 | Type(Type), LayoutCompatible(LayoutCompatible), |
12744 | MustBeNull(MustBeNull) |
12745 | {} |
12746 | |
12747 | QualType Type; |
12748 | |
12749 | |
12750 | |
12751 | unsigned LayoutCompatible : 1; |
12752 | unsigned MustBeNull : 1; |
12753 | }; |
12754 | |
12755 | |
12756 | |
12757 | typedef std::pair<const IdentifierInfo *, uint64_t> TypeTagMagicValue; |
12758 | |
12759 | private: |
12760 | |
12761 | std::unique_ptr<llvm::DenseMap<TypeTagMagicValue, TypeTagData>> |
12762 | TypeTagForDatatypeMagicValues; |
12763 | |
12764 | |
12765 | |
12766 | void CheckArgumentWithTypeTag(const ArgumentWithTypeTagAttr *Attr, |
12767 | const ArrayRef<const Expr *> ExprArgs, |
12768 | SourceLocation CallSiteLoc); |
12769 | |
12770 | |
12771 | |
12772 | void CheckAddressOfPackedMember(Expr *rhs); |
12773 | |
12774 | |
12775 | |
12776 | |
12777 | Scope *CurScope; |
12778 | |
12779 | mutable IdentifierInfo *Ident_super; |
12780 | mutable IdentifierInfo *Ident___float128; |
12781 | |
12782 | |
12783 | IdentifierInfo *Ident__Nonnull = nullptr; |
12784 | IdentifierInfo *Ident__Nullable = nullptr; |
12785 | IdentifierInfo *Ident__Nullable_result = nullptr; |
12786 | IdentifierInfo *Ident__Null_unspecified = nullptr; |
12787 | |
12788 | IdentifierInfo *Ident_NSError = nullptr; |
12789 | |
12790 | |
12791 | |
12792 | |
12793 | |
12794 | sema::SemaPPCallbacks *SemaPPCallbackHandler; |
12795 | |
12796 | protected: |
12797 | friend class Parser; |
12798 | friend class InitializationSequence; |
12799 | friend class ASTReader; |
12800 | friend class ASTDeclReader; |
12801 | friend class ASTWriter; |
12802 | |
12803 | public: |
12804 | |
12805 | IdentifierInfo *getNullabilityKeyword(NullabilityKind nullability); |
12806 | |
12807 | |
12808 | RecordDecl *CFError = nullptr; |
12809 | bool isCFError(RecordDecl *D); |
12810 | |
12811 | |
12812 | IdentifierInfo *getNSErrorIdent(); |
12813 | |
12814 | |
12815 | |
12816 | |
12817 | |
12818 | |
12819 | |
12820 | |
12821 | |
12822 | Scope *getCurScope() const { return CurScope; } |
12823 | |
12824 | void incrementMSManglingNumber() const { |
12825 | return CurScope->incrementMSManglingNumber(); |
12826 | } |
12827 | |
12828 | IdentifierInfo *getSuperIdentifier() const; |
12829 | IdentifierInfo *getFloat128Identifier() const; |
12830 | |
12831 | Decl *getObjCDeclContext() const; |
12832 | |
12833 | DeclContext *getCurLexicalContext() const { |
12834 | return OriginalLexicalContext ? OriginalLexicalContext : CurContext; |
12835 | } |
12836 | |
12837 | const DeclContext *getCurObjCLexicalContext() const { |
12838 | const DeclContext *DC = getCurLexicalContext(); |
12839 | |
12840 | if (const ObjCCategoryDecl *CatD = dyn_cast<ObjCCategoryDecl>(DC)) |
12841 | DC = CatD->getClassInterface(); |
12842 | return DC; |
12843 | } |
12844 | |
12845 | |
12846 | |
12847 | |
12848 | |
12849 | |
12850 | unsigned getTemplateDepth(Scope *S) const; |
12851 | |
12852 | |
12853 | |
12854 | static bool TooManyArguments(size_t NumParams, size_t NumArgs, |
12855 | bool PartialOverloading = false) { |
12856 | |
12857 | if (NumArgs > 0 && PartialOverloading) |
12858 | return NumArgs + 1 > NumParams; |
12859 | return NumArgs > NumParams; |
12860 | } |
12861 | |
12862 | |
12863 | |
12864 | SmallVector<CXXRecordDecl*, 4> DelayedDllExportClasses; |
12865 | SmallVector<CXXMethodDecl*, 4> DelayedDllExportMemberFunctions; |
12866 | |
12867 | private: |
12868 | int ParsingClassDepth = 0; |
12869 | |
12870 | class SavePendingParsedClassStateRAII { |
12871 | public: |
12872 | SavePendingParsedClassStateRAII(Sema &S) : S(S) { swapSavedState(); } |
12873 | |
12874 | ~SavePendingParsedClassStateRAII() { |
12875 | assert(S.DelayedOverridingExceptionSpecChecks.empty() && |
12876 | "there shouldn't be any pending delayed exception spec checks"); |
12877 | assert(S.DelayedEquivalentExceptionSpecChecks.empty() && |
12878 | "there shouldn't be any pending delayed exception spec checks"); |
12879 | swapSavedState(); |
12880 | } |
12881 | |
12882 | private: |
12883 | Sema &S; |
12884 | decltype(DelayedOverridingExceptionSpecChecks) |
12885 | SavedOverridingExceptionSpecChecks; |
12886 | decltype(DelayedEquivalentExceptionSpecChecks) |
12887 | SavedEquivalentExceptionSpecChecks; |
12888 | |
12889 | void swapSavedState() { |
12890 | SavedOverridingExceptionSpecChecks.swap( |
12891 | S.DelayedOverridingExceptionSpecChecks); |
12892 | SavedEquivalentExceptionSpecChecks.swap( |
12893 | S.DelayedEquivalentExceptionSpecChecks); |
12894 | } |
12895 | }; |
12896 | |
12897 | |
12898 | |
12899 | struct MisalignedMember { |
12900 | Expr *E; |
12901 | RecordDecl *RD; |
12902 | ValueDecl *MD; |
12903 | CharUnits Alignment; |
12904 | |
12905 | MisalignedMember() : E(), RD(), MD(), Alignment() {} |
12906 | MisalignedMember(Expr *E, RecordDecl *RD, ValueDecl *MD, |
12907 | CharUnits Alignment) |
12908 | : E(E), RD(RD), MD(MD), Alignment(Alignment) {} |
12909 | explicit MisalignedMember(Expr *E) |
12910 | : MisalignedMember(E, nullptr, nullptr, CharUnits()) {} |
12911 | |
12912 | bool operator==(const MisalignedMember &m) { return this->E == m.E; } |
12913 | }; |
12914 | |
12915 | |
12916 | SmallVector<MisalignedMember, 4> MisalignedMembers; |
12917 | |
12918 | |
12919 | void AddPotentialMisalignedMembers(Expr *E, RecordDecl *RD, ValueDecl *MD, |
12920 | CharUnits Alignment); |
12921 | |
12922 | public: |
12923 | |
12924 | |
12925 | |
12926 | void DiagnoseMisalignedMembers(); |
12927 | |
12928 | |
12929 | |
12930 | |
12931 | |
12932 | |
12933 | void DiscardMisalignedMemberAddress(const Type *T, Expr *E); |
12934 | |
12935 | |
12936 | |
12937 | |
12938 | void RefersToMemberWithReducedAlignment( |
12939 | Expr *E, |
12940 | llvm::function_ref<void(Expr *, RecordDecl *, FieldDecl *, CharUnits)> |
12941 | Action); |
12942 | |
12943 | |
12944 | |
12945 | enum class CallingConventionIgnoredReason { |
12946 | ForThisTarget = 0, |
12947 | VariadicFunction, |
12948 | ConstructorDestructor, |
12949 | BuiltinFunction |
12950 | }; |
12951 | |
12952 | |
12953 | |
12954 | |
12955 | |
12956 | |
12957 | |
12958 | |
12959 | |
12960 | |
12961 | |
12962 | |
12963 | |
12964 | |
12965 | |
12966 | |
12967 | |
12968 | |
12969 | SemaDiagnosticBuilder SYCLDiagIfDeviceCode(SourceLocation Loc, |
12970 | unsigned DiagID); |
12971 | |
12972 | |
12973 | |
12974 | |
12975 | |
12976 | |
12977 | |
12978 | |
12979 | |
12980 | |
12981 | |
12982 | |
12983 | |
12984 | |
12985 | bool checkSYCLDeviceFunction(SourceLocation Loc, FunctionDecl *Callee); |
12986 | }; |
12987 | |
12988 | |
12989 | class EnterExpressionEvaluationContext { |
12990 | Sema &Actions; |
12991 | bool Entered = true; |
12992 | |
12993 | public: |
12994 | EnterExpressionEvaluationContext( |
12995 | Sema &Actions, Sema::ExpressionEvaluationContext NewContext, |
12996 | Decl *LambdaContextDecl = nullptr, |
12997 | Sema::ExpressionEvaluationContextRecord::ExpressionKind ExprContext = |
12998 | Sema::ExpressionEvaluationContextRecord::EK_Other, |
12999 | bool ShouldEnter = true) |
13000 | : Actions(Actions), Entered(ShouldEnter) { |
13001 | if (Entered) |
13002 | Actions.PushExpressionEvaluationContext(NewContext, LambdaContextDecl, |
13003 | ExprContext); |
13004 | } |
13005 | EnterExpressionEvaluationContext( |
13006 | Sema &Actions, Sema::ExpressionEvaluationContext NewContext, |
13007 | Sema::ReuseLambdaContextDecl_t, |
13008 | Sema::ExpressionEvaluationContextRecord::ExpressionKind ExprContext = |
13009 | Sema::ExpressionEvaluationContextRecord::EK_Other) |
13010 | : Actions(Actions) { |
13011 | Actions.PushExpressionEvaluationContext( |
13012 | NewContext, Sema::ReuseLambdaContextDecl, ExprContext); |
13013 | } |
13014 | |
13015 | enum InitListTag { InitList }; |
13016 | EnterExpressionEvaluationContext(Sema &Actions, InitListTag, |
13017 | bool ShouldEnter = true) |
13018 | : Actions(Actions), Entered(false) { |
13019 | |
13020 | |
13021 | |
13022 | |
13023 | if (ShouldEnter && Actions.isUnevaluatedContext() && |
13024 | Actions.getLangOpts().CPlusPlus11) { |
13025 | Actions.PushExpressionEvaluationContext( |
13026 | Sema::ExpressionEvaluationContext::UnevaluatedList); |
13027 | Entered = true; |
13028 | } |
13029 | } |
13030 | |
13031 | ~EnterExpressionEvaluationContext() { |
13032 | if (Entered) |
13033 | Actions.PopExpressionEvaluationContext(); |
13034 | } |
13035 | }; |
13036 | |
13037 | DeductionFailureInfo |
13038 | MakeDeductionFailureInfo(ASTContext &Context, Sema::TemplateDeductionResult TDK, |
13039 | sema::TemplateDeductionInfo &Info); |
13040 | |
13041 | |
13042 | |
13043 | struct LateParsedTemplate { |
13044 | CachedTokens Toks; |
13045 | |
13046 | Decl *D; |
13047 | }; |
13048 | |
13049 | template <> |
13050 | void Sema::PragmaStack<Sema::AlignPackInfo>::Act(SourceLocation PragmaLocation, |
13051 | PragmaMsStackAction Action, |
13052 | llvm::StringRef StackSlotLabel, |
13053 | AlignPackInfo Value); |
13054 | |
13055 | } |
13056 | |
13057 | namespace llvm { |
13058 | |
13059 | |
13060 | template <> struct DenseMapInfo<clang::Sema::FunctionDeclAndLoc> { |
13061 | using FunctionDeclAndLoc = clang::Sema::FunctionDeclAndLoc; |
13062 | using FDBaseInfo = DenseMapInfo<clang::CanonicalDeclPtr<clang::FunctionDecl>>; |
13063 | |
13064 | static FunctionDeclAndLoc getEmptyKey() { |
13065 | return {FDBaseInfo::getEmptyKey(), clang::SourceLocation()}; |
13066 | } |
13067 | |
13068 | static FunctionDeclAndLoc getTombstoneKey() { |
13069 | return {FDBaseInfo::getTombstoneKey(), clang::SourceLocation()}; |
13070 | } |
13071 | |
13072 | static unsigned getHashValue(const FunctionDeclAndLoc &FDL) { |
13073 | return hash_combine(FDBaseInfo::getHashValue(FDL.FD), |
13074 | FDL.Loc.getHashValue()); |
13075 | } |
13076 | |
13077 | static bool isEqual(const FunctionDeclAndLoc &LHS, |
13078 | const FunctionDeclAndLoc &RHS) { |
13079 | return LHS.FD == RHS.FD && LHS.Loc == RHS.Loc; |
13080 | } |
13081 | }; |
13082 | } |
13083 | |
13084 | #endif |