clang -cc1 -cc1 -triple amd64-unknown-openbsd7.0 -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name CGObjCGNU.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/libclangCodeGen/obj -resource-dir /usr/local/lib/clang/13.0.0 -I /usr/src/gnu/usr.bin/clang/libclangCodeGen/../../../llvm/clang/include -I /usr/src/gnu/usr.bin/clang/libclangCodeGen/../../../llvm/llvm/include -I /usr/src/gnu/usr.bin/clang/libclangCodeGen/../include -I /usr/src/gnu/usr.bin/clang/libclangCodeGen/obj -I /usr/src/gnu/usr.bin/clang/libclangCodeGen/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/libclangCodeGen/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/libclangCodeGen/../../../llvm/clang/lib/CodeGen/CGObjCGNU.cpp
1 | |
2 | |
3 | |
4 | |
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6 | |
7 | |
8 | |
9 | |
10 | |
11 | |
12 | |
13 | |
14 | |
15 | |
16 | #include "CGCXXABI.h" |
17 | #include "CGCleanup.h" |
18 | #include "CGObjCRuntime.h" |
19 | #include "CodeGenFunction.h" |
20 | #include "CodeGenModule.h" |
21 | #include "clang/AST/ASTContext.h" |
22 | #include "clang/AST/Attr.h" |
23 | #include "clang/AST/Decl.h" |
24 | #include "clang/AST/DeclObjC.h" |
25 | #include "clang/AST/RecordLayout.h" |
26 | #include "clang/AST/StmtObjC.h" |
27 | #include "clang/Basic/FileManager.h" |
28 | #include "clang/Basic/SourceManager.h" |
29 | #include "clang/CodeGen/ConstantInitBuilder.h" |
30 | #include "llvm/ADT/SmallVector.h" |
31 | #include "llvm/ADT/StringMap.h" |
32 | #include "llvm/IR/DataLayout.h" |
33 | #include "llvm/IR/Intrinsics.h" |
34 | #include "llvm/IR/LLVMContext.h" |
35 | #include "llvm/IR/Module.h" |
36 | #include "llvm/Support/Compiler.h" |
37 | #include "llvm/Support/ConvertUTF.h" |
38 | #include <cctype> |
39 | |
40 | using namespace clang; |
41 | using namespace CodeGen; |
42 | |
43 | namespace { |
44 | |
45 | |
46 | |
47 | |
48 | class LazyRuntimeFunction { |
49 | CodeGenModule *CGM; |
50 | llvm::FunctionType *FTy; |
51 | const char *FunctionName; |
52 | llvm::FunctionCallee Function; |
53 | |
54 | public: |
55 | |
56 | |
57 | |
58 | LazyRuntimeFunction() |
59 | : CGM(nullptr), FunctionName(nullptr), Function(nullptr) {} |
60 | |
61 | |
62 | |
63 | template <typename... Tys> |
64 | void init(CodeGenModule *Mod, const char *name, llvm::Type *RetTy, |
65 | Tys *... Types) { |
66 | CGM = Mod; |
67 | FunctionName = name; |
68 | Function = nullptr; |
69 | if(sizeof...(Tys)) { |
70 | SmallVector<llvm::Type *, 8> ArgTys({Types...}); |
71 | FTy = llvm::FunctionType::get(RetTy, ArgTys, false); |
72 | } |
73 | else { |
74 | FTy = llvm::FunctionType::get(RetTy, None, false); |
75 | } |
76 | } |
77 | |
78 | llvm::FunctionType *getType() { return FTy; } |
79 | |
80 | |
81 | |
82 | operator llvm::FunctionCallee() { |
83 | if (!Function) { |
84 | if (!FunctionName) |
85 | return nullptr; |
86 | Function = CGM->CreateRuntimeFunction(FTy, FunctionName); |
87 | } |
88 | return Function; |
89 | } |
90 | }; |
91 | |
92 | |
93 | |
94 | |
95 | |
96 | class CGObjCGNU : public CGObjCRuntime { |
97 | protected: |
98 | |
99 | llvm::Module &TheModule; |
100 | |
101 | |
102 | llvm::StructType *ObjCSuperTy; |
103 | |
104 | |
105 | llvm::PointerType *PtrToObjCSuperTy; |
106 | |
107 | |
108 | |
109 | llvm::PointerType *SelectorTy; |
110 | |
111 | |
112 | llvm::IntegerType *Int8Ty; |
113 | |
114 | |
115 | llvm::PointerType *PtrToInt8Ty; |
116 | |
117 | llvm::StructType *ProtocolTy; |
118 | |
119 | llvm::PointerType *ProtocolPtrTy; |
120 | |
121 | |
122 | |
123 | |
124 | |
125 | llvm::PointerType *IMPTy; |
126 | |
127 | |
128 | |
129 | |
130 | llvm::PointerType *IdTy; |
131 | |
132 | |
133 | llvm::PointerType *PtrToIdTy; |
134 | |
135 | |
136 | CanQualType ASTIdTy; |
137 | |
138 | llvm::IntegerType *IntTy; |
139 | |
140 | |
141 | |
142 | llvm::PointerType *PtrTy; |
143 | |
144 | |
145 | |
146 | llvm::IntegerType *LongTy; |
147 | |
148 | llvm::IntegerType *SizeTy; |
149 | |
150 | llvm::IntegerType *IntPtrTy; |
151 | |
152 | llvm::IntegerType *PtrDiffTy; |
153 | |
154 | |
155 | llvm::PointerType *PtrToIntTy; |
156 | |
157 | llvm::Type *BoolTy; |
158 | |
159 | llvm::IntegerType *Int32Ty; |
160 | |
161 | llvm::IntegerType *Int64Ty; |
162 | |
163 | llvm::StructType *PropertyMetadataTy; |
164 | |
165 | |
166 | |
167 | unsigned msgSendMDKind; |
168 | |
169 | |
170 | bool usesSEHExceptions; |
171 | |
172 | |
173 | bool isRuntime(ObjCRuntime::Kind kind, unsigned major, unsigned minor=0) { |
174 | const ObjCRuntime &R = CGM.getLangOpts().ObjCRuntime; |
175 | return (R.getKind() == kind) && |
176 | (R.getVersion() >= VersionTuple(major, minor)); |
177 | } |
178 | |
179 | std::string ManglePublicSymbol(StringRef Name) { |
180 | return (StringRef(CGM.getTriple().isOSBinFormatCOFF() ? "$_" : "._") + Name).str(); |
181 | } |
182 | |
183 | std::string SymbolForProtocol(Twine Name) { |
184 | return (ManglePublicSymbol("OBJC_PROTOCOL_") + Name).str(); |
185 | } |
186 | |
187 | std::string SymbolForProtocolRef(StringRef Name) { |
188 | return (ManglePublicSymbol("OBJC_REF_PROTOCOL_") + Name).str(); |
189 | } |
190 | |
191 | |
192 | |
193 | |
194 | |
195 | llvm::Constant *MakeConstantString(StringRef Str, const char *Name = "") { |
196 | ConstantAddress Array = |
197 | CGM.GetAddrOfConstantCString(std::string(Str), Name); |
198 | return llvm::ConstantExpr::getGetElementPtr(Array.getElementType(), |
199 | Array.getPointer(), Zeros); |
200 | } |
201 | |
202 | |
203 | |
204 | |
205 | |
206 | llvm::Constant *ExportUniqueString(const std::string &Str, |
207 | const std::string &prefix, |
208 | bool Private=false) { |
209 | std::string name = prefix + Str; |
210 | auto *ConstStr = TheModule.getGlobalVariable(name); |
211 | if (!ConstStr) { |
212 | llvm::Constant *value = llvm::ConstantDataArray::getString(VMContext,Str); |
213 | auto *GV = new llvm::GlobalVariable(TheModule, value->getType(), true, |
214 | llvm::GlobalValue::LinkOnceODRLinkage, value, name); |
215 | GV->setComdat(TheModule.getOrInsertComdat(name)); |
216 | if (Private) |
217 | GV->setVisibility(llvm::GlobalValue::HiddenVisibility); |
218 | ConstStr = GV; |
219 | } |
220 | return llvm::ConstantExpr::getGetElementPtr(ConstStr->getValueType(), |
221 | ConstStr, Zeros); |
222 | } |
223 | |
224 | |
225 | llvm::Constant *MakePropertyEncodingString(const ObjCPropertyDecl *PD, |
226 | const Decl *Container) { |
227 | assert(!isRuntime(ObjCRuntime::GNUstep, 2)); |
228 | if (isRuntime(ObjCRuntime::GNUstep, 1, 6)) { |
229 | std::string NameAndAttributes; |
230 | std::string TypeStr = |
231 | CGM.getContext().getObjCEncodingForPropertyDecl(PD, Container); |
232 | NameAndAttributes += '\0'; |
233 | NameAndAttributes += TypeStr.length() + 3; |
234 | NameAndAttributes += TypeStr; |
235 | NameAndAttributes += '\0'; |
236 | NameAndAttributes += PD->getNameAsString(); |
237 | return MakeConstantString(NameAndAttributes); |
238 | } |
239 | return MakeConstantString(PD->getNameAsString()); |
240 | } |
241 | |
242 | |
243 | void PushPropertyAttributes(ConstantStructBuilder &Fields, |
244 | const ObjCPropertyDecl *property, bool isSynthesized=true, bool |
245 | isDynamic=true) { |
246 | int attrs = property->getPropertyAttributes(); |
247 | |
248 | if (attrs & ObjCPropertyAttribute::kind_readonly) { |
249 | attrs &= ~ObjCPropertyAttribute::kind_copy; |
250 | attrs &= ~ObjCPropertyAttribute::kind_retain; |
251 | attrs &= ~ObjCPropertyAttribute::kind_weak; |
252 | attrs &= ~ObjCPropertyAttribute::kind_strong; |
253 | } |
254 | |
255 | Fields.addInt(Int8Ty, attrs & 0xff); |
256 | attrs >>= 8; |
257 | attrs <<= 2; |
258 | |
259 | |
260 | |
261 | attrs |= isSynthesized ? (1<<0) : 0; |
262 | attrs |= isDynamic ? (1<<1) : 0; |
263 | |
264 | |
265 | Fields.addInt(Int8Ty, attrs & 0xff); |
266 | |
267 | Fields.addInt(Int8Ty, 0); |
268 | Fields.addInt(Int8Ty, 0); |
269 | } |
270 | |
271 | virtual llvm::Constant *GenerateCategoryProtocolList(const |
272 | ObjCCategoryDecl *OCD); |
273 | virtual ConstantArrayBuilder PushPropertyListHeader(ConstantStructBuilder &Fields, |
274 | int count) { |
275 | |
276 | Fields.addInt(IntTy, count); |
277 | |
278 | if (isRuntime(ObjCRuntime::GNUstep, 2)) { |
279 | llvm::DataLayout td(&TheModule); |
280 | Fields.addInt(IntTy, td.getTypeSizeInBits(PropertyMetadataTy) / |
281 | CGM.getContext().getCharWidth()); |
282 | } |
283 | |
284 | Fields.add(NULLPtr); |
285 | |
286 | return Fields.beginArray(PropertyMetadataTy); |
287 | } |
288 | virtual void PushProperty(ConstantArrayBuilder &PropertiesArray, |
289 | const ObjCPropertyDecl *property, |
290 | const Decl *OCD, |
291 | bool isSynthesized=true, bool |
292 | isDynamic=true) { |
293 | auto Fields = PropertiesArray.beginStruct(PropertyMetadataTy); |
294 | ASTContext &Context = CGM.getContext(); |
295 | Fields.add(MakePropertyEncodingString(property, OCD)); |
296 | PushPropertyAttributes(Fields, property, isSynthesized, isDynamic); |
297 | auto addPropertyMethod = [&](const ObjCMethodDecl *accessor) { |
298 | if (accessor) { |
299 | std::string TypeStr = Context.getObjCEncodingForMethodDecl(accessor); |
300 | llvm::Constant *TypeEncoding = MakeConstantString(TypeStr); |
301 | Fields.add(MakeConstantString(accessor->getSelector().getAsString())); |
302 | Fields.add(TypeEncoding); |
303 | } else { |
304 | Fields.add(NULLPtr); |
305 | Fields.add(NULLPtr); |
306 | } |
307 | }; |
308 | addPropertyMethod(property->getGetterMethodDecl()); |
309 | addPropertyMethod(property->getSetterMethodDecl()); |
310 | Fields.finishAndAddTo(PropertiesArray); |
311 | } |
312 | |
313 | |
314 | |
315 | |
316 | llvm::Value* EnforceType(CGBuilderTy &B, llvm::Value *V, llvm::Type *Ty) { |
317 | if (V->getType() == Ty) return V; |
318 | return B.CreateBitCast(V, Ty); |
319 | } |
320 | Address EnforceType(CGBuilderTy &B, Address V, llvm::Type *Ty) { |
321 | if (V.getType() == Ty) return V; |
322 | return B.CreateBitCast(V, Ty); |
323 | } |
324 | |
325 | |
326 | llvm::Constant *Zeros[2]; |
327 | |
328 | llvm::Constant *NULLPtr; |
329 | |
330 | llvm::LLVMContext &VMContext; |
331 | |
332 | protected: |
333 | |
334 | |
335 | |
336 | |
337 | |
338 | llvm::GlobalAlias *ClassPtrAlias; |
339 | |
340 | |
341 | |
342 | |
343 | llvm::GlobalAlias *MetaClassPtrAlias; |
344 | |
345 | std::vector<llvm::Constant*> Classes; |
346 | |
347 | std::vector<llvm::Constant*> Categories; |
348 | |
349 | |
350 | std::vector<llvm::Constant*> ConstantStrings; |
351 | |
352 | |
353 | |
354 | llvm::StringMap<llvm::Constant*> ObjCStrings; |
355 | |
356 | llvm::StringMap<llvm::Constant*> ExistingProtocols; |
357 | |
358 | |
359 | |
360 | |
361 | |
362 | typedef std::pair<std::string, llvm::GlobalAlias*> TypedSelector; |
363 | |
364 | |
365 | |
366 | typedef llvm::DenseMap<Selector, SmallVector<TypedSelector, 2> > |
367 | SelectorMap; |
368 | |
369 | |
370 | SelectorMap SelectorTable; |
371 | |
372 | |
373 | |
374 | Selector RetainSel, ReleaseSel, AutoreleaseSel; |
375 | |
376 | |
377 | |
378 | LazyRuntimeFunction IvarAssignFn, StrongCastAssignFn, MemMoveFn, WeakReadFn, |
379 | WeakAssignFn, GlobalAssignFn; |
380 | |
381 | typedef std::pair<std::string, std::string> ClassAliasPair; |
382 | |
383 | std::vector<ClassAliasPair> ClassAliases; |
384 | |
385 | protected: |
386 | |
387 | LazyRuntimeFunction ExceptionThrowFn; |
388 | |
389 | |
390 | LazyRuntimeFunction ExceptionReThrowFn; |
391 | |
392 | |
393 | LazyRuntimeFunction EnterCatchFn; |
394 | |
395 | |
396 | LazyRuntimeFunction ExitCatchFn; |
397 | |
398 | LazyRuntimeFunction SyncEnterFn; |
399 | |
400 | LazyRuntimeFunction SyncExitFn; |
401 | |
402 | private: |
403 | |
404 | |
405 | LazyRuntimeFunction EnumerationMutationFn; |
406 | |
407 | |
408 | LazyRuntimeFunction GetPropertyFn; |
409 | |
410 | |
411 | LazyRuntimeFunction SetPropertyFn; |
412 | |
413 | LazyRuntimeFunction GetStructPropertyFn; |
414 | |
415 | LazyRuntimeFunction SetStructPropertyFn; |
416 | |
417 | protected: |
418 | |
419 | |
420 | int RuntimeVersion; |
421 | |
422 | |
423 | |
424 | |
425 | |
426 | |
427 | const int ProtocolVersion; |
428 | |
429 | |
430 | const int ClassABIVersion; |
431 | |
432 | |
433 | |
434 | |
435 | virtual llvm::Constant *GenerateIvarList(ArrayRef<llvm::Constant *> IvarNames, |
436 | ArrayRef<llvm::Constant *> IvarTypes, |
437 | ArrayRef<llvm::Constant *> IvarOffsets, |
438 | ArrayRef<llvm::Constant *> IvarAlign, |
439 | ArrayRef<Qualifiers::ObjCLifetime> IvarOwnership); |
440 | |
441 | |
442 | |
443 | |
444 | |
445 | |
446 | llvm::Constant *GenerateMethodList(StringRef ClassName, |
447 | StringRef CategoryName, |
448 | ArrayRef<const ObjCMethodDecl*> Methods, |
449 | bool isClassMethodList); |
450 | |
451 | |
452 | |
453 | |
454 | virtual llvm::Constant *GenerateEmptyProtocol(StringRef ProtocolName); |
455 | |
456 | |
457 | |
458 | llvm::Constant *GeneratePropertyList(const Decl *Container, |
459 | const ObjCContainerDecl *OCD, |
460 | bool isClassProperty=false, |
461 | bool protocolOptionalProperties=false); |
462 | |
463 | |
464 | |
465 | llvm::Constant *GenerateProtocolList(ArrayRef<std::string> Protocols); |
466 | |
467 | |
468 | |
469 | |
470 | |
471 | void GenerateProtocolHolderCategory(); |
472 | |
473 | |
474 | llvm::Constant *GenerateClassStructure( |
475 | llvm::Constant *MetaClass, |
476 | llvm::Constant *SuperClass, |
477 | unsigned info, |
478 | const char *Name, |
479 | llvm::Constant *Version, |
480 | llvm::Constant *InstanceSize, |
481 | llvm::Constant *IVars, |
482 | llvm::Constant *Methods, |
483 | llvm::Constant *Protocols, |
484 | llvm::Constant *IvarOffsets, |
485 | llvm::Constant *Properties, |
486 | llvm::Constant *StrongIvarBitmap, |
487 | llvm::Constant *WeakIvarBitmap, |
488 | bool isMeta=false); |
489 | |
490 | |
491 | |
492 | virtual llvm::Constant *GenerateProtocolMethodList( |
493 | ArrayRef<const ObjCMethodDecl*> Methods); |
494 | |
495 | template<class T> |
496 | void EmitProtocolMethodList(T &&Methods, llvm::Constant *&Required, |
497 | llvm::Constant *&Optional) { |
498 | SmallVector<const ObjCMethodDecl*, 16> RequiredMethods; |
499 | SmallVector<const ObjCMethodDecl*, 16> OptionalMethods; |
500 | for (const auto *I : Methods) |
501 | if (I->isOptional()) |
502 | OptionalMethods.push_back(I); |
503 | else |
504 | RequiredMethods.push_back(I); |
505 | Required = GenerateProtocolMethodList(RequiredMethods); |
506 | Optional = GenerateProtocolMethodList(OptionalMethods); |
507 | } |
508 | |
509 | |
510 | |
511 | virtual llvm::Value *GetTypedSelector(CodeGenFunction &CGF, Selector Sel, |
512 | const std::string &TypeEncoding); |
513 | |
514 | |
515 | |
516 | |
517 | virtual std::string GetIVarOffsetVariableName(const ObjCInterfaceDecl *ID, |
518 | const ObjCIvarDecl *Ivar) { |
519 | const std::string Name = "__objc_ivar_offset_" + ID->getNameAsString() |
520 | + '.' + Ivar->getNameAsString(); |
521 | return Name; |
522 | } |
523 | |
524 | llvm::GlobalVariable *ObjCIvarOffsetVariable(const ObjCInterfaceDecl *ID, |
525 | const ObjCIvarDecl *Ivar); |
526 | |
527 | |
528 | void EmitClassRef(const std::string &className); |
529 | |
530 | |
531 | virtual llvm::Value *GetClassNamed(CodeGenFunction &CGF, |
532 | const std::string &Name, bool isWeak); |
533 | |
534 | |
535 | |
536 | |
537 | virtual llvm::Value *LookupIMP(CodeGenFunction &CGF, |
538 | llvm::Value *&Receiver, |
539 | llvm::Value *cmd, |
540 | llvm::MDNode *node, |
541 | MessageSendInfo &MSI) = 0; |
542 | |
543 | |
544 | |
545 | |
546 | virtual llvm::Value *LookupIMPSuper(CodeGenFunction &CGF, |
547 | Address ObjCSuper, |
548 | llvm::Value *cmd, |
549 | MessageSendInfo &MSI) = 0; |
550 | |
551 | |
552 | |
553 | |
554 | |
555 | |
556 | |
557 | |
558 | |
559 | |
560 | |
561 | |
562 | llvm::Constant *MakeBitField(ArrayRef<bool> bits); |
563 | |
564 | public: |
565 | CGObjCGNU(CodeGenModule &cgm, unsigned runtimeABIVersion, |
566 | unsigned protocolClassVersion, unsigned classABI=1); |
567 | |
568 | ConstantAddress GenerateConstantString(const StringLiteral *) override; |
569 | |
570 | RValue |
571 | GenerateMessageSend(CodeGenFunction &CGF, ReturnValueSlot Return, |
572 | QualType ResultType, Selector Sel, |
573 | llvm::Value *Receiver, const CallArgList &CallArgs, |
574 | const ObjCInterfaceDecl *Class, |
575 | const ObjCMethodDecl *Method) override; |
576 | RValue |
577 | GenerateMessageSendSuper(CodeGenFunction &CGF, ReturnValueSlot Return, |
578 | QualType ResultType, Selector Sel, |
579 | const ObjCInterfaceDecl *Class, |
580 | bool isCategoryImpl, llvm::Value *Receiver, |
581 | bool IsClassMessage, const CallArgList &CallArgs, |
582 | const ObjCMethodDecl *Method) override; |
583 | llvm::Value *GetClass(CodeGenFunction &CGF, |
584 | const ObjCInterfaceDecl *OID) override; |
585 | llvm::Value *GetSelector(CodeGenFunction &CGF, Selector Sel) override; |
586 | Address GetAddrOfSelector(CodeGenFunction &CGF, Selector Sel) override; |
587 | llvm::Value *GetSelector(CodeGenFunction &CGF, |
588 | const ObjCMethodDecl *Method) override; |
589 | virtual llvm::Constant *GetConstantSelector(Selector Sel, |
590 | const std::string &TypeEncoding) { |
591 | llvm_unreachable("Runtime unable to generate constant selector"); |
592 | } |
593 | llvm::Constant *GetConstantSelector(const ObjCMethodDecl *M) { |
594 | return GetConstantSelector(M->getSelector(), |
595 | CGM.getContext().getObjCEncodingForMethodDecl(M)); |
596 | } |
597 | llvm::Constant *GetEHType(QualType T) override; |
598 | |
599 | llvm::Function *GenerateMethod(const ObjCMethodDecl *OMD, |
600 | const ObjCContainerDecl *CD) override; |
601 | void GenerateDirectMethodPrologue(CodeGenFunction &CGF, llvm::Function *Fn, |
602 | const ObjCMethodDecl *OMD, |
603 | const ObjCContainerDecl *CD) override; |
604 | void GenerateCategory(const ObjCCategoryImplDecl *CMD) override; |
605 | void GenerateClass(const ObjCImplementationDecl *ClassDecl) override; |
606 | void RegisterAlias(const ObjCCompatibleAliasDecl *OAD) override; |
607 | llvm::Value *GenerateProtocolRef(CodeGenFunction &CGF, |
608 | const ObjCProtocolDecl *PD) override; |
609 | void GenerateProtocol(const ObjCProtocolDecl *PD) override; |
610 | |
611 | virtual llvm::Constant *GenerateProtocolRef(const ObjCProtocolDecl *PD); |
612 | |
613 | llvm::Constant *GetOrEmitProtocol(const ObjCProtocolDecl *PD) override { |
614 | return GenerateProtocolRef(PD); |
615 | } |
616 | |
617 | llvm::Function *ModuleInitFunction() override; |
618 | llvm::FunctionCallee GetPropertyGetFunction() override; |
619 | llvm::FunctionCallee GetPropertySetFunction() override; |
620 | llvm::FunctionCallee GetOptimizedPropertySetFunction(bool atomic, |
621 | bool copy) override; |
622 | llvm::FunctionCallee GetSetStructFunction() override; |
623 | llvm::FunctionCallee GetGetStructFunction() override; |
624 | llvm::FunctionCallee GetCppAtomicObjectGetFunction() override; |
625 | llvm::FunctionCallee GetCppAtomicObjectSetFunction() override; |
626 | llvm::FunctionCallee EnumerationMutationFunction() override; |
627 | |
628 | void EmitTryStmt(CodeGenFunction &CGF, |
629 | const ObjCAtTryStmt &S) override; |
630 | void EmitSynchronizedStmt(CodeGenFunction &CGF, |
631 | const ObjCAtSynchronizedStmt &S) override; |
632 | void EmitThrowStmt(CodeGenFunction &CGF, |
633 | const ObjCAtThrowStmt &S, |
634 | bool ClearInsertionPoint=true) override; |
635 | llvm::Value * EmitObjCWeakRead(CodeGenFunction &CGF, |
636 | Address AddrWeakObj) override; |
637 | void EmitObjCWeakAssign(CodeGenFunction &CGF, |
638 | llvm::Value *src, Address dst) override; |
639 | void EmitObjCGlobalAssign(CodeGenFunction &CGF, |
640 | llvm::Value *src, Address dest, |
641 | bool threadlocal=false) override; |
642 | void EmitObjCIvarAssign(CodeGenFunction &CGF, llvm::Value *src, |
643 | Address dest, llvm::Value *ivarOffset) override; |
644 | void EmitObjCStrongCastAssign(CodeGenFunction &CGF, |
645 | llvm::Value *src, Address dest) override; |
646 | void EmitGCMemmoveCollectable(CodeGenFunction &CGF, Address DestPtr, |
647 | Address SrcPtr, |
648 | llvm::Value *Size) override; |
649 | LValue EmitObjCValueForIvar(CodeGenFunction &CGF, QualType ObjectTy, |
650 | llvm::Value *BaseValue, const ObjCIvarDecl *Ivar, |
651 | unsigned CVRQualifiers) override; |
652 | llvm::Value *EmitIvarOffset(CodeGenFunction &CGF, |
653 | const ObjCInterfaceDecl *Interface, |
654 | const ObjCIvarDecl *Ivar) override; |
655 | llvm::Value *EmitNSAutoreleasePoolClassRef(CodeGenFunction &CGF) override; |
656 | llvm::Constant *BuildGCBlockLayout(CodeGenModule &CGM, |
657 | const CGBlockInfo &blockInfo) override { |
658 | return NULLPtr; |
659 | } |
660 | llvm::Constant *BuildRCBlockLayout(CodeGenModule &CGM, |
661 | const CGBlockInfo &blockInfo) override { |
662 | return NULLPtr; |
663 | } |
664 | |
665 | llvm::Constant *BuildByrefLayout(CodeGenModule &CGM, QualType T) override { |
666 | return NULLPtr; |
667 | } |
668 | }; |
669 | |
670 | |
671 | |
672 | |
673 | |
674 | |
675 | |
676 | |
677 | |
678 | class CGObjCGCC : public CGObjCGNU { |
679 | |
680 | |
681 | LazyRuntimeFunction MsgLookupFn; |
682 | |
683 | |
684 | |
685 | LazyRuntimeFunction MsgLookupSuperFn; |
686 | |
687 | protected: |
688 | llvm::Value *LookupIMP(CodeGenFunction &CGF, llvm::Value *&Receiver, |
689 | llvm::Value *cmd, llvm::MDNode *node, |
690 | MessageSendInfo &MSI) override { |
691 | CGBuilderTy &Builder = CGF.Builder; |
692 | llvm::Value *args[] = { |
693 | EnforceType(Builder, Receiver, IdTy), |
694 | EnforceType(Builder, cmd, SelectorTy) }; |
695 | llvm::CallBase *imp = CGF.EmitRuntimeCallOrInvoke(MsgLookupFn, args); |
696 | imp->setMetadata(msgSendMDKind, node); |
697 | return imp; |
698 | } |
699 | |
700 | llvm::Value *LookupIMPSuper(CodeGenFunction &CGF, Address ObjCSuper, |
701 | llvm::Value *cmd, MessageSendInfo &MSI) override { |
702 | CGBuilderTy &Builder = CGF.Builder; |
703 | llvm::Value *lookupArgs[] = {EnforceType(Builder, ObjCSuper, |
704 | PtrToObjCSuperTy).getPointer(), cmd}; |
705 | return CGF.EmitNounwindRuntimeCall(MsgLookupSuperFn, lookupArgs); |
706 | } |
707 | |
708 | public: |
709 | CGObjCGCC(CodeGenModule &Mod) : CGObjCGNU(Mod, 8, 2) { |
710 | |
711 | MsgLookupFn.init(&CGM, "objc_msg_lookup", IMPTy, IdTy, SelectorTy); |
712 | |
713 | MsgLookupSuperFn.init(&CGM, "objc_msg_lookup_super", IMPTy, |
714 | PtrToObjCSuperTy, SelectorTy); |
715 | } |
716 | }; |
717 | |
718 | |
719 | class CGObjCGNUstep : public CGObjCGNU { |
720 | |
721 | |
722 | LazyRuntimeFunction SlotLookupFn; |
723 | |
724 | |
725 | |
726 | |
727 | LazyRuntimeFunction SlotLookupSuperFn; |
728 | |
729 | LazyRuntimeFunction SetPropertyAtomic; |
730 | |
731 | LazyRuntimeFunction SetPropertyAtomicCopy; |
732 | |
733 | LazyRuntimeFunction SetPropertyNonAtomic; |
734 | |
735 | LazyRuntimeFunction SetPropertyNonAtomicCopy; |
736 | |
737 | |
738 | LazyRuntimeFunction CxxAtomicObjectGetFn; |
739 | |
740 | |
741 | LazyRuntimeFunction CxxAtomicObjectSetFn; |
742 | |
743 | |
744 | llvm::Type *SlotTy; |
745 | |
746 | llvm::Type *SlotStructTy; |
747 | |
748 | public: |
749 | llvm::Constant *GetEHType(QualType T) override; |
750 | |
751 | protected: |
752 | llvm::Value *LookupIMP(CodeGenFunction &CGF, llvm::Value *&Receiver, |
753 | llvm::Value *cmd, llvm::MDNode *node, |
754 | MessageSendInfo &MSI) override { |
755 | CGBuilderTy &Builder = CGF.Builder; |
756 | llvm::FunctionCallee LookupFn = SlotLookupFn; |
757 | |
758 | |
759 | Address ReceiverPtr = |
760 | CGF.CreateTempAlloca(Receiver->getType(), CGF.getPointerAlign()); |
761 | Builder.CreateStore(Receiver, ReceiverPtr); |
762 | |
763 | llvm::Value *self; |
764 | |
765 | if (isa<ObjCMethodDecl>(CGF.CurCodeDecl)) { |
766 | self = CGF.LoadObjCSelf(); |
767 | } else { |
768 | self = llvm::ConstantPointerNull::get(IdTy); |
769 | } |
770 | |
771 | |
772 | if (auto *LookupFn2 = dyn_cast<llvm::Function>(LookupFn.getCallee())) |
773 | LookupFn2->addParamAttr(0, llvm::Attribute::NoCapture); |
774 | |
775 | llvm::Value *args[] = { |
776 | EnforceType(Builder, ReceiverPtr.getPointer(), PtrToIdTy), |
777 | EnforceType(Builder, cmd, SelectorTy), |
778 | EnforceType(Builder, self, IdTy) }; |
779 | llvm::CallBase *slot = CGF.EmitRuntimeCallOrInvoke(LookupFn, args); |
780 | slot->setOnlyReadsMemory(); |
781 | slot->setMetadata(msgSendMDKind, node); |
782 | |
783 | |
784 | llvm::Value *imp = Builder.CreateAlignedLoad( |
785 | IMPTy, Builder.CreateStructGEP(SlotStructTy, slot, 4), |
786 | CGF.getPointerAlign()); |
787 | |
788 | |
789 | |
790 | Receiver = Builder.CreateLoad(ReceiverPtr, true); |
791 | return imp; |
792 | } |
793 | |
794 | llvm::Value *LookupIMPSuper(CodeGenFunction &CGF, Address ObjCSuper, |
795 | llvm::Value *cmd, |
796 | MessageSendInfo &MSI) override { |
797 | CGBuilderTy &Builder = CGF.Builder; |
798 | llvm::Value *lookupArgs[] = {ObjCSuper.getPointer(), cmd}; |
799 | |
800 | llvm::CallInst *slot = |
801 | CGF.EmitNounwindRuntimeCall(SlotLookupSuperFn, lookupArgs); |
802 | slot->setOnlyReadsMemory(); |
803 | |
804 | return Builder.CreateAlignedLoad( |
805 | IMPTy, Builder.CreateStructGEP(SlotStructTy, slot, 4), |
806 | CGF.getPointerAlign()); |
807 | } |
808 | |
809 | public: |
810 | CGObjCGNUstep(CodeGenModule &Mod) : CGObjCGNUstep(Mod, 9, 3, 1) {} |
811 | CGObjCGNUstep(CodeGenModule &Mod, unsigned ABI, unsigned ProtocolABI, |
812 | unsigned ClassABI) : |
813 | CGObjCGNU(Mod, ABI, ProtocolABI, ClassABI) { |
814 | const ObjCRuntime &R = CGM.getLangOpts().ObjCRuntime; |
815 | |
816 | SlotStructTy = llvm::StructType::get(PtrTy, PtrTy, PtrTy, IntTy, IMPTy); |
817 | SlotTy = llvm::PointerType::getUnqual(SlotStructTy); |
818 | |
819 | SlotLookupFn.init(&CGM, "objc_msg_lookup_sender", SlotTy, PtrToIdTy, |
820 | SelectorTy, IdTy); |
821 | |
822 | SlotLookupSuperFn.init(&CGM, "objc_slot_lookup_super", SlotTy, |
823 | PtrToObjCSuperTy, SelectorTy); |
824 | |
825 | if (usesSEHExceptions) { |
826 | llvm::Type *VoidTy = llvm::Type::getVoidTy(VMContext); |
827 | |
828 | ExceptionReThrowFn.init(&CGM, "objc_exception_rethrow", VoidTy); |
829 | } else if (CGM.getLangOpts().CPlusPlus) { |
830 | llvm::Type *VoidTy = llvm::Type::getVoidTy(VMContext); |
831 | |
832 | EnterCatchFn.init(&CGM, "__cxa_begin_catch", PtrTy, PtrTy); |
833 | |
834 | ExitCatchFn.init(&CGM, "__cxa_end_catch", VoidTy); |
835 | |
836 | ExceptionReThrowFn.init(&CGM, "_Unwind_Resume_or_Rethrow", VoidTy, |
837 | PtrTy); |
838 | } else if (R.getVersion() >= VersionTuple(1, 7)) { |
839 | llvm::Type *VoidTy = llvm::Type::getVoidTy(VMContext); |
840 | |
841 | EnterCatchFn.init(&CGM, "objc_begin_catch", IdTy, PtrTy); |
842 | |
843 | ExitCatchFn.init(&CGM, "objc_end_catch", VoidTy); |
844 | |
845 | ExceptionReThrowFn.init(&CGM, "objc_exception_rethrow", VoidTy, PtrTy); |
846 | } |
847 | llvm::Type *VoidTy = llvm::Type::getVoidTy(VMContext); |
848 | SetPropertyAtomic.init(&CGM, "objc_setProperty_atomic", VoidTy, IdTy, |
849 | SelectorTy, IdTy, PtrDiffTy); |
850 | SetPropertyAtomicCopy.init(&CGM, "objc_setProperty_atomic_copy", VoidTy, |
851 | IdTy, SelectorTy, IdTy, PtrDiffTy); |
852 | SetPropertyNonAtomic.init(&CGM, "objc_setProperty_nonatomic", VoidTy, |
853 | IdTy, SelectorTy, IdTy, PtrDiffTy); |
854 | SetPropertyNonAtomicCopy.init(&CGM, "objc_setProperty_nonatomic_copy", |
855 | VoidTy, IdTy, SelectorTy, IdTy, PtrDiffTy); |
856 | |
857 | |
858 | CxxAtomicObjectSetFn.init(&CGM, "objc_setCppObjectAtomic", VoidTy, PtrTy, |
859 | PtrTy, PtrTy); |
860 | |
861 | |
862 | CxxAtomicObjectGetFn.init(&CGM, "objc_getCppObjectAtomic", VoidTy, PtrTy, |
863 | PtrTy, PtrTy); |
864 | } |
865 | |
866 | llvm::FunctionCallee GetCppAtomicObjectGetFunction() override { |
867 | |
868 | |
869 | assert (CGM.getLangOpts().ObjCRuntime.getVersion() >= |
870 | VersionTuple(1, 7)); |
871 | return CxxAtomicObjectGetFn; |
872 | } |
873 | |
874 | llvm::FunctionCallee GetCppAtomicObjectSetFunction() override { |
875 | |
876 | |
877 | assert (CGM.getLangOpts().ObjCRuntime.getVersion() >= |
878 | VersionTuple(1, 7)); |
879 | return CxxAtomicObjectSetFn; |
880 | } |
881 | |
882 | llvm::FunctionCallee GetOptimizedPropertySetFunction(bool atomic, |
883 | bool copy) override { |
884 | |
885 | |
886 | |
887 | assert ((CGM.getLangOpts().getGC() == LangOptions::NonGC)); |
888 | |
889 | |
890 | assert (CGM.getLangOpts().ObjCRuntime.getVersion() >= |
891 | VersionTuple(1, 7)); |
892 | |
893 | if (atomic) { |
894 | if (copy) return SetPropertyAtomicCopy; |
895 | return SetPropertyAtomic; |
896 | } |
897 | |
898 | return copy ? SetPropertyNonAtomicCopy : SetPropertyNonAtomic; |
899 | } |
900 | }; |
901 | |
902 | |
903 | |
904 | |
905 | class CGObjCGNUstep2 : public CGObjCGNUstep { |
906 | enum SectionKind |
907 | { |
908 | SelectorSection = 0, |
909 | ClassSection, |
910 | ClassReferenceSection, |
911 | CategorySection, |
912 | ProtocolSection, |
913 | ProtocolReferenceSection, |
914 | ClassAliasSection, |
915 | ConstantStringSection |
916 | }; |
917 | static const char *const SectionsBaseNames[8]; |
918 | static const char *const PECOFFSectionsBaseNames[8]; |
919 | template<SectionKind K> |
920 | std::string sectionName() { |
921 | if (CGM.getTriple().isOSBinFormatCOFF()) { |
922 | std::string name(PECOFFSectionsBaseNames[K]); |
923 | name += "$m"; |
924 | return name; |
925 | } |
926 | return SectionsBaseNames[K]; |
927 | } |
928 | |
929 | |
930 | |
931 | LazyRuntimeFunction MsgLookupSuperFn; |
932 | |
933 | |
934 | |
935 | bool EmittedProtocol = false; |
936 | |
937 | |
938 | |
939 | |
940 | bool EmittedProtocolRef = false; |
941 | |
942 | |
943 | |
944 | bool EmittedClass = false; |
945 | |
946 | |
947 | |
948 | typedef std::pair<std::string, std::pair<llvm::GlobalVariable*, int>> |
949 | EarlyInitPair; |
950 | std::vector<EarlyInitPair> EarlyInitList; |
951 | |
952 | std::string SymbolForClassRef(StringRef Name, bool isWeak) { |
953 | if (isWeak) |
954 | return (ManglePublicSymbol("OBJC_WEAK_REF_CLASS_") + Name).str(); |
955 | else |
956 | return (ManglePublicSymbol("OBJC_REF_CLASS_") + Name).str(); |
957 | } |
958 | |
959 | std::string SymbolForClass(StringRef Name) { |
960 | return (ManglePublicSymbol("OBJC_CLASS_") + Name).str(); |
961 | } |
962 | void CallRuntimeFunction(CGBuilderTy &B, StringRef FunctionName, |
963 | ArrayRef<llvm::Value*> Args) { |
964 | SmallVector<llvm::Type *,8> Types; |
965 | for (auto *Arg : Args) |
966 | Types.push_back(Arg->getType()); |
967 | llvm::FunctionType *FT = llvm::FunctionType::get(B.getVoidTy(), Types, |
968 | false); |
969 | llvm::FunctionCallee Fn = CGM.CreateRuntimeFunction(FT, FunctionName); |
970 | B.CreateCall(Fn, Args); |
971 | } |
972 | |
973 | ConstantAddress GenerateConstantString(const StringLiteral *SL) override { |
974 | |
975 | auto Str = SL->getString(); |
976 | CharUnits Align = CGM.getPointerAlign(); |
977 | |
978 | |
979 | llvm::StringMap<llvm::Constant*>::iterator old = ObjCStrings.find(Str); |
980 | if (old != ObjCStrings.end()) |
981 | return ConstantAddress(old->getValue(), Align); |
982 | |
983 | bool isNonASCII = SL->containsNonAscii(); |
984 | |
985 | auto LiteralLength = SL->getLength(); |
986 | |
987 | if ((CGM.getTarget().getPointerWidth(0) == 64) && |
988 | (LiteralLength < 9) && !isNonASCII) { |
989 | |
990 | |
991 | |
992 | uint64_t str = 0; |
993 | |
994 | for (unsigned i=0 ; i<LiteralLength ; i++) |
995 | str |= ((uint64_t)SL->getCodeUnit(i)) << ((64 - 4 - 3) - (i*7)); |
996 | |
997 | str |= LiteralLength << 3; |
998 | |
999 | str |= 4; |
1000 | auto *ObjCStr = llvm::ConstantExpr::getIntToPtr( |
1001 | llvm::ConstantInt::get(Int64Ty, str), IdTy); |
1002 | ObjCStrings[Str] = ObjCStr; |
1003 | return ConstantAddress(ObjCStr, Align); |
1004 | } |
1005 | |
1006 | StringRef StringClass = CGM.getLangOpts().ObjCConstantStringClass; |
1007 | |
1008 | if (StringClass.empty()) StringClass = "NSConstantString"; |
1009 | |
1010 | std::string Sym = SymbolForClass(StringClass); |
1011 | |
1012 | llvm::Constant *isa = TheModule.getNamedGlobal(Sym); |
1013 | |
1014 | if (!isa) { |
1015 | isa = new llvm::GlobalVariable(TheModule, IdTy, false, |
1016 | llvm::GlobalValue::ExternalLinkage, nullptr, Sym); |
1017 | if (CGM.getTriple().isOSBinFormatCOFF()) { |
1018 | cast<llvm::GlobalValue>(isa)->setDLLStorageClass(llvm::GlobalValue::DLLImportStorageClass); |
1019 | } |
1020 | } else if (isa->getType() != PtrToIdTy) |
1021 | isa = llvm::ConstantExpr::getBitCast(isa, PtrToIdTy); |
1022 | |
1023 | |
1024 | |
1025 | |
1026 | |
1027 | |
1028 | |
1029 | |
1030 | |
1031 | |
1032 | |
1033 | ConstantInitBuilder Builder(CGM); |
1034 | auto Fields = Builder.beginStruct(); |
1035 | if (!CGM.getTriple().isOSBinFormatCOFF()) { |
1036 | Fields.add(isa); |
1037 | } else { |
1038 | Fields.addNullPointer(PtrTy); |
1039 | } |
1040 | |
1041 | |
1042 | |
1043 | |
1044 | if (isNonASCII) { |
1045 | unsigned NumU8CodeUnits = Str.size(); |
1046 | |
1047 | |
1048 | |
1049 | SmallVector<llvm::UTF16, 128> ToBuf(NumU8CodeUnits + 1); |
1050 | const llvm::UTF8 *FromPtr = (const llvm::UTF8 *)Str.data(); |
1051 | llvm::UTF16 *ToPtr = &ToBuf[0]; |
1052 | (void)llvm::ConvertUTF8toUTF16(&FromPtr, FromPtr + NumU8CodeUnits, |
1053 | &ToPtr, ToPtr + NumU8CodeUnits, llvm::strictConversion); |
1054 | uint32_t StringLength = ToPtr - &ToBuf[0]; |
1055 | |
1056 | *ToPtr = 0; |
1057 | |
1058 | Fields.addInt(Int32Ty, 2); |
1059 | |
1060 | Fields.addInt(Int32Ty, StringLength); |
1061 | |
1062 | Fields.addInt(Int32Ty, StringLength * 2); |
1063 | |
1064 | Fields.addInt(Int32Ty, 0); |
1065 | |
1066 | auto Arr = llvm::makeArrayRef(&ToBuf[0], ToPtr+1); |
1067 | auto *C = llvm::ConstantDataArray::get(VMContext, Arr); |
1068 | auto *Buffer = new llvm::GlobalVariable(TheModule, C->getType(), |
1069 | true, llvm::GlobalValue::PrivateLinkage, C, ".str"); |
1070 | Buffer->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global); |
1071 | Fields.add(Buffer); |
1072 | } else { |
1073 | |
1074 | Fields.addInt(Int32Ty, 0); |
1075 | |
1076 | Fields.addInt(Int32Ty, Str.size()); |
1077 | |
1078 | Fields.addInt(Int32Ty, Str.size()); |
1079 | |
1080 | Fields.addInt(Int32Ty, 0); |
1081 | |
1082 | Fields.add(MakeConstantString(Str)); |
1083 | } |
1084 | std::string StringName; |
1085 | bool isNamed = !isNonASCII; |
1086 | if (isNamed) { |
1087 | StringName = ".objc_str_"; |
1088 | for (int i=0,e=Str.size() ; i<e ; ++i) { |
1089 | unsigned char c = Str[i]; |
1090 | if (isalnum(c)) |
1091 | StringName += c; |
1092 | else if (c == ' ') |
1093 | StringName += '_'; |
1094 | else { |
1095 | isNamed = false; |
1096 | break; |
1097 | } |
1098 | } |
1099 | } |
1100 | llvm::GlobalVariable *ObjCStrGV = |
1101 | Fields.finishAndCreateGlobal( |
1102 | isNamed ? StringRef(StringName) : ".objc_string", |
1103 | Align, false, isNamed ? llvm::GlobalValue::LinkOnceODRLinkage |
1104 | : llvm::GlobalValue::PrivateLinkage); |
1105 | ObjCStrGV->setSection(sectionName<ConstantStringSection>()); |
1106 | if (isNamed) { |
1107 | ObjCStrGV->setComdat(TheModule.getOrInsertComdat(StringName)); |
1108 | ObjCStrGV->setVisibility(llvm::GlobalValue::HiddenVisibility); |
1109 | } |
1110 | if (CGM.getTriple().isOSBinFormatCOFF()) { |
1111 | std::pair<llvm::GlobalVariable*, int> v{ObjCStrGV, 0}; |
1112 | EarlyInitList.emplace_back(Sym, v); |
1113 | } |
1114 | llvm::Constant *ObjCStr = llvm::ConstantExpr::getBitCast(ObjCStrGV, IdTy); |
1115 | ObjCStrings[Str] = ObjCStr; |
1116 | ConstantStrings.push_back(ObjCStr); |
1117 | return ConstantAddress(ObjCStr, Align); |
1118 | } |
1119 | |
1120 | void PushProperty(ConstantArrayBuilder &PropertiesArray, |
1121 | const ObjCPropertyDecl *property, |
1122 | const Decl *OCD, |
1123 | bool isSynthesized=true, bool |
1124 | isDynamic=true) override { |
1125 | |
1126 | |
1127 | |
1128 | |
1129 | |
1130 | |
1131 | |
1132 | |
1133 | auto Fields = PropertiesArray.beginStruct(PropertyMetadataTy); |
1134 | ASTContext &Context = CGM.getContext(); |
1135 | Fields.add(MakeConstantString(property->getNameAsString())); |
1136 | std::string TypeStr = |
1137 | CGM.getContext().getObjCEncodingForPropertyDecl(property, OCD); |
1138 | Fields.add(MakeConstantString(TypeStr)); |
1139 | std::string typeStr; |
1140 | Context.getObjCEncodingForType(property->getType(), typeStr); |
1141 | Fields.add(MakeConstantString(typeStr)); |
1142 | auto addPropertyMethod = [&](const ObjCMethodDecl *accessor) { |
1143 | if (accessor) { |
1144 | std::string TypeStr = Context.getObjCEncodingForMethodDecl(accessor); |
1145 | Fields.add(GetConstantSelector(accessor->getSelector(), TypeStr)); |
1146 | } else { |
1147 | Fields.add(NULLPtr); |
1148 | } |
1149 | }; |
1150 | addPropertyMethod(property->getGetterMethodDecl()); |
1151 | addPropertyMethod(property->getSetterMethodDecl()); |
1152 | Fields.finishAndAddTo(PropertiesArray); |
1153 | } |
1154 | |
1155 | llvm::Constant * |
1156 | GenerateProtocolMethodList(ArrayRef<const ObjCMethodDecl*> Methods) override { |
1157 | |
1158 | |
1159 | |
1160 | |
1161 | |
1162 | llvm::StructType *ObjCMethodDescTy = |
1163 | llvm::StructType::get(CGM.getLLVMContext(), |
1164 | { PtrToInt8Ty, PtrToInt8Ty }); |
1165 | ASTContext &Context = CGM.getContext(); |
1166 | ConstantInitBuilder Builder(CGM); |
1167 | |
1168 | |
1169 | |
1170 | |
1171 | |
1172 | |
1173 | auto MethodList = Builder.beginStruct(); |
1174 | |
1175 | MethodList.addInt(IntTy, Methods.size()); |
1176 | |
1177 | llvm::DataLayout td(&TheModule); |
1178 | MethodList.addInt(IntTy, td.getTypeSizeInBits(ObjCMethodDescTy) / |
1179 | CGM.getContext().getCharWidth()); |
1180 | |
1181 | auto MethodArray = MethodList.beginArray(ObjCMethodDescTy); |
1182 | for (auto *M : Methods) { |
1183 | auto Method = MethodArray.beginStruct(ObjCMethodDescTy); |
1184 | Method.add(CGObjCGNU::GetConstantSelector(M)); |
1185 | Method.add(GetTypeString(Context.getObjCEncodingForMethodDecl(M, true))); |
1186 | Method.finishAndAddTo(MethodArray); |
1187 | } |
1188 | MethodArray.finishAndAddTo(MethodList); |
1189 | return MethodList.finishAndCreateGlobal(".objc_protocol_method_list", |
1190 | CGM.getPointerAlign()); |
1191 | } |
1192 | llvm::Constant *GenerateCategoryProtocolList(const ObjCCategoryDecl *OCD) |
1193 | override { |
1194 | const auto &ReferencedProtocols = OCD->getReferencedProtocols(); |
1195 | auto RuntimeProtocols = GetRuntimeProtocolList(ReferencedProtocols.begin(), |
1196 | ReferencedProtocols.end()); |
1197 | SmallVector<llvm::Constant *, 16> Protocols; |
1198 | for (const auto *PI : RuntimeProtocols) |
1199 | Protocols.push_back( |
1200 | llvm::ConstantExpr::getBitCast(GenerateProtocolRef(PI), |
1201 | ProtocolPtrTy)); |
1202 | return GenerateProtocolList(Protocols); |
1203 | } |
1204 | |
1205 | llvm::Value *LookupIMPSuper(CodeGenFunction &CGF, Address ObjCSuper, |
1206 | llvm::Value *cmd, MessageSendInfo &MSI) override { |
1207 | |
1208 | CGBuilderTy &Builder = CGF.Builder; |
1209 | llvm::Value *lookupArgs[] = {CGObjCGNU::EnforceType(Builder, ObjCSuper, |
1210 | PtrToObjCSuperTy).getPointer(), cmd}; |
1211 | return CGF.EmitNounwindRuntimeCall(MsgLookupSuperFn, lookupArgs); |
1212 | } |
1213 | |
1214 | llvm::GlobalVariable *GetClassVar(StringRef Name, bool isWeak=false) { |
1215 | std::string SymbolName = SymbolForClassRef(Name, isWeak); |
1216 | auto *ClassSymbol = TheModule.getNamedGlobal(SymbolName); |
1217 | if (ClassSymbol) |
1218 | return ClassSymbol; |
1219 | ClassSymbol = new llvm::GlobalVariable(TheModule, |
1220 | IdTy, false, llvm::GlobalValue::ExternalLinkage, |
1221 | nullptr, SymbolName); |
1222 | |
1223 | |
1224 | |
1225 | |
1226 | if (isWeak) |
1227 | ClassSymbol->setInitializer(new llvm::GlobalVariable(TheModule, |
1228 | Int8Ty, false, llvm::GlobalValue::ExternalWeakLinkage, |
1229 | nullptr, SymbolForClass(Name))); |
1230 | else { |
1231 | if (CGM.getTriple().isOSBinFormatCOFF()) { |
1232 | IdentifierInfo &II = CGM.getContext().Idents.get(Name); |
1233 | TranslationUnitDecl *TUDecl = CGM.getContext().getTranslationUnitDecl(); |
1234 | DeclContext *DC = TranslationUnitDecl::castToDeclContext(TUDecl); |
1235 | |
1236 | const ObjCInterfaceDecl *OID = nullptr; |
1237 | for (const auto *Result : DC->lookup(&II)) |
1238 | if ((OID = dyn_cast<ObjCInterfaceDecl>(Result))) |
1239 | break; |
1240 | |
1241 | |
1242 | |
1243 | |
1244 | assert(OID && "Failed to find ObjCInterfaceDecl"); |
1245 | const ObjCInterfaceDecl *OIDDef = OID->getDefinition(); |
1246 | if (OIDDef != nullptr) |
1247 | OID = OIDDef; |
1248 | |
1249 | auto Storage = llvm::GlobalValue::DefaultStorageClass; |
1250 | if (OID->hasAttr<DLLImportAttr>()) |
1251 | Storage = llvm::GlobalValue::DLLImportStorageClass; |
1252 | else if (OID->hasAttr<DLLExportAttr>()) |
1253 | Storage = llvm::GlobalValue::DLLExportStorageClass; |
1254 | |
1255 | cast<llvm::GlobalValue>(ClassSymbol)->setDLLStorageClass(Storage); |
1256 | } |
1257 | } |
1258 | assert(ClassSymbol->getName() == SymbolName); |
1259 | return ClassSymbol; |
1260 | } |
1261 | llvm::Value *GetClassNamed(CodeGenFunction &CGF, |
1262 | const std::string &Name, |
1263 | bool isWeak) override { |
1264 | return CGF.Builder.CreateLoad(Address(GetClassVar(Name, isWeak), |
1265 | CGM.getPointerAlign())); |
1266 | } |
1267 | int32_t FlagsForOwnership(Qualifiers::ObjCLifetime Ownership) { |
1268 | |
1269 | |
1270 | |
1271 | |
1272 | |
1273 | |
1274 | int Flag; |
1275 | switch (Ownership) { |
1276 | case Qualifiers::OCL_Strong: |
1277 | Flag = 1; |
1278 | break; |
1279 | case Qualifiers::OCL_Weak: |
1280 | Flag = 2; |
1281 | break; |
1282 | case Qualifiers::OCL_ExplicitNone: |
1283 | Flag = 3; |
1284 | break; |
1285 | case Qualifiers::OCL_None: |
1286 | case Qualifiers::OCL_Autoreleasing: |
1287 | assert(Ownership != Qualifiers::OCL_Autoreleasing); |
1288 | Flag = 0; |
1289 | } |
1290 | return Flag; |
1291 | } |
1292 | llvm::Constant *GenerateIvarList(ArrayRef<llvm::Constant *> IvarNames, |
1293 | ArrayRef<llvm::Constant *> IvarTypes, |
1294 | ArrayRef<llvm::Constant *> IvarOffsets, |
1295 | ArrayRef<llvm::Constant *> IvarAlign, |
1296 | ArrayRef<Qualifiers::ObjCLifetime> IvarOwnership) override { |
1297 | llvm_unreachable("Method should not be called!"); |
1298 | } |
1299 | |
1300 | llvm::Constant *GenerateEmptyProtocol(StringRef ProtocolName) override { |
1301 | std::string Name = SymbolForProtocol(ProtocolName); |
1302 | auto *GV = TheModule.getGlobalVariable(Name); |
1303 | if (!GV) { |
1304 | |
1305 | GV = new llvm::GlobalVariable(TheModule, ProtocolTy, false, |
1306 | llvm::GlobalValue::ExternalLinkage, nullptr, Name); |
1307 | GV->setAlignment(CGM.getPointerAlign().getAsAlign()); |
1308 | } |
1309 | return llvm::ConstantExpr::getBitCast(GV, ProtocolPtrTy); |
1310 | } |
1311 | |
1312 | |
1313 | llvm::StringMap<llvm::Constant*> ExistingProtocolRefs; |
1314 | |
1315 | llvm::Value *GenerateProtocolRef(CodeGenFunction &CGF, |
1316 | const ObjCProtocolDecl *PD) override { |
1317 | auto Name = PD->getNameAsString(); |
1318 | auto *&Ref = ExistingProtocolRefs[Name]; |
1319 | if (!Ref) { |
1320 | auto *&Protocol = ExistingProtocols[Name]; |
1321 | if (!Protocol) |
1322 | Protocol = GenerateProtocolRef(PD); |
1323 | std::string RefName = SymbolForProtocolRef(Name); |
1324 | assert(!TheModule.getGlobalVariable(RefName)); |
1325 | |
1326 | auto GV = new llvm::GlobalVariable(TheModule, ProtocolPtrTy, |
1327 | false, llvm::GlobalValue::LinkOnceODRLinkage, |
1328 | llvm::ConstantExpr::getBitCast(Protocol, ProtocolPtrTy), RefName); |
1329 | GV->setComdat(TheModule.getOrInsertComdat(RefName)); |
1330 | GV->setSection(sectionName<ProtocolReferenceSection>()); |
1331 | GV->setAlignment(CGM.getPointerAlign().getAsAlign()); |
1332 | Ref = GV; |
1333 | } |
1334 | EmittedProtocolRef = true; |
1335 | return CGF.Builder.CreateAlignedLoad(ProtocolPtrTy, Ref, |
1336 | CGM.getPointerAlign()); |
1337 | } |
1338 | |
1339 | llvm::Constant *GenerateProtocolList(ArrayRef<llvm::Constant*> Protocols) { |
1340 | llvm::ArrayType *ProtocolArrayTy = llvm::ArrayType::get(ProtocolPtrTy, |
1341 | Protocols.size()); |
1342 | llvm::Constant * ProtocolArray = llvm::ConstantArray::get(ProtocolArrayTy, |
1343 | Protocols); |
1344 | ConstantInitBuilder builder(CGM); |
1345 | auto ProtocolBuilder = builder.beginStruct(); |
1346 | ProtocolBuilder.addNullPointer(PtrTy); |
1347 | ProtocolBuilder.addInt(SizeTy, Protocols.size()); |
1348 | ProtocolBuilder.add(ProtocolArray); |
1349 | return ProtocolBuilder.finishAndCreateGlobal(".objc_protocol_list", |
1350 | CGM.getPointerAlign(), false, llvm::GlobalValue::InternalLinkage); |
1351 | } |
1352 | |
1353 | void GenerateProtocol(const ObjCProtocolDecl *PD) override { |
1354 | |
1355 | } |
1356 | llvm::Constant *GenerateProtocolRef(const ObjCProtocolDecl *PD) override { |
1357 | std::string ProtocolName = PD->getNameAsString(); |
1358 | auto *&Protocol = ExistingProtocols[ProtocolName]; |
1359 | if (Protocol) |
1360 | return Protocol; |
1361 | |
1362 | EmittedProtocol = true; |
1363 | |
1364 | auto SymName = SymbolForProtocol(ProtocolName); |
1365 | auto *OldGV = TheModule.getGlobalVariable(SymName); |
1366 | |
1367 | |
1368 | if (const ObjCProtocolDecl *Def = PD->getDefinition()) |
1369 | PD = Def; |
1370 | else { |
1371 | |
1372 | |
1373 | |
1374 | assert(!OldGV); |
1375 | Protocol = new llvm::GlobalVariable(TheModule, ProtocolTy, |
1376 | false, |
1377 | llvm::GlobalValue::ExternalLinkage, nullptr, SymName); |
1378 | return Protocol; |
1379 | } |
1380 | |
1381 | SmallVector<llvm::Constant*, 16> Protocols; |
1382 | auto RuntimeProtocols = |
1383 | GetRuntimeProtocolList(PD->protocol_begin(), PD->protocol_end()); |
1384 | for (const auto *PI : RuntimeProtocols) |
1385 | Protocols.push_back( |
1386 | llvm::ConstantExpr::getBitCast(GenerateProtocolRef(PI), |
1387 | ProtocolPtrTy)); |
1388 | llvm::Constant *ProtocolList = GenerateProtocolList(Protocols); |
1389 | |
1390 | |
1391 | llvm::Constant *InstanceMethodList, *OptionalInstanceMethodList; |
1392 | llvm::Constant *ClassMethodList, *OptionalClassMethodList; |
1393 | EmitProtocolMethodList(PD->instance_methods(), InstanceMethodList, |
1394 | OptionalInstanceMethodList); |
1395 | EmitProtocolMethodList(PD->class_methods(), ClassMethodList, |
1396 | OptionalClassMethodList); |
1397 | |
1398 | |
1399 | |
1400 | ConstantInitBuilder builder(CGM); |
1401 | auto ProtocolBuilder = builder.beginStruct(); |
1402 | ProtocolBuilder.add(llvm::ConstantExpr::getIntToPtr( |
1403 | llvm::ConstantInt::get(Int32Ty, ProtocolVersion), IdTy)); |
1404 | ProtocolBuilder.add(MakeConstantString(ProtocolName)); |
1405 | ProtocolBuilder.add(ProtocolList); |
1406 | ProtocolBuilder.add(InstanceMethodList); |
1407 | ProtocolBuilder.add(ClassMethodList); |
1408 | ProtocolBuilder.add(OptionalInstanceMethodList); |
1409 | ProtocolBuilder.add(OptionalClassMethodList); |
1410 | |
1411 | ProtocolBuilder.add(GeneratePropertyList(nullptr, PD, false, false)); |
1412 | |
1413 | ProtocolBuilder.add(GeneratePropertyList(nullptr, PD, false, true)); |
1414 | |
1415 | ProtocolBuilder.add(GeneratePropertyList(nullptr, PD, true, false)); |
1416 | |
1417 | ProtocolBuilder.add(GeneratePropertyList(nullptr, PD, true, true)); |
1418 | |
1419 | auto *GV = ProtocolBuilder.finishAndCreateGlobal(SymName, |
1420 | CGM.getPointerAlign(), false, llvm::GlobalValue::ExternalLinkage); |
1421 | GV->setSection(sectionName<ProtocolSection>()); |
1422 | GV->setComdat(TheModule.getOrInsertComdat(SymName)); |
1423 | if (OldGV) { |
1424 | OldGV->replaceAllUsesWith(llvm::ConstantExpr::getBitCast(GV, |
1425 | OldGV->getType())); |
1426 | OldGV->removeFromParent(); |
1427 | GV->setName(SymName); |
1428 | } |
1429 | Protocol = GV; |
1430 | return GV; |
1431 | } |
1432 | llvm::Constant *EnforceType(llvm::Constant *Val, llvm::Type *Ty) { |
1433 | if (Val->getType() == Ty) |
1434 | return Val; |
1435 | return llvm::ConstantExpr::getBitCast(Val, Ty); |
1436 | } |
1437 | llvm::Value *GetTypedSelector(CodeGenFunction &CGF, Selector Sel, |
1438 | const std::string &TypeEncoding) override { |
1439 | return GetConstantSelector(Sel, TypeEncoding); |
1440 | } |
1441 | llvm::Constant *GetTypeString(llvm::StringRef TypeEncoding) { |
1442 | if (TypeEncoding.empty()) |
1443 | return NULLPtr; |
1444 | std::string MangledTypes = std::string(TypeEncoding); |
1445 | std::replace(MangledTypes.begin(), MangledTypes.end(), |
1446 | '@', '\1'); |
1447 | std::string TypesVarName = ".objc_sel_types_" + MangledTypes; |
1448 | auto *TypesGlobal = TheModule.getGlobalVariable(TypesVarName); |
1449 | if (!TypesGlobal) { |
1450 | llvm::Constant *Init = llvm::ConstantDataArray::getString(VMContext, |
1451 | TypeEncoding); |
1452 | auto *GV = new llvm::GlobalVariable(TheModule, Init->getType(), |
1453 | true, llvm::GlobalValue::LinkOnceODRLinkage, Init, TypesVarName); |
1454 | GV->setComdat(TheModule.getOrInsertComdat(TypesVarName)); |
1455 | GV->setVisibility(llvm::GlobalValue::HiddenVisibility); |
1456 | TypesGlobal = GV; |
1457 | } |
1458 | return llvm::ConstantExpr::getGetElementPtr(TypesGlobal->getValueType(), |
1459 | TypesGlobal, Zeros); |
1460 | } |
1461 | llvm::Constant *GetConstantSelector(Selector Sel, |
1462 | const std::string &TypeEncoding) override { |
1463 | |
1464 | |
1465 | |
1466 | |
1467 | std::string MangledTypes = TypeEncoding; |
1468 | std::replace(MangledTypes.begin(), MangledTypes.end(), |
1469 | '@', '\1'); |
1470 | auto SelVarName = (StringRef(".objc_selector_") + Sel.getAsString() + "_" + |
1471 | MangledTypes).str(); |
1472 | if (auto *GV = TheModule.getNamedGlobal(SelVarName)) |
1473 | return EnforceType(GV, SelectorTy); |
1474 | ConstantInitBuilder builder(CGM); |
1475 | auto SelBuilder = builder.beginStruct(); |
1476 | SelBuilder.add(ExportUniqueString(Sel.getAsString(), ".objc_sel_name_", |
1477 | true)); |
1478 | SelBuilder.add(GetTypeString(TypeEncoding)); |
1479 | auto *GV = SelBuilder.finishAndCreateGlobal(SelVarName, |
1480 | CGM.getPointerAlign(), false, llvm::GlobalValue::LinkOnceODRLinkage); |
1481 | GV->setComdat(TheModule.getOrInsertComdat(SelVarName)); |
1482 | GV->setVisibility(llvm::GlobalValue::HiddenVisibility); |
1483 | GV->setSection(sectionName<SelectorSection>()); |
1484 | auto *SelVal = EnforceType(GV, SelectorTy); |
1485 | return SelVal; |
1486 | } |
1487 | llvm::StructType *emptyStruct = nullptr; |
1488 | |
1489 | |
1490 | |
1491 | |
1492 | |
1493 | |
1494 | |
1495 | |
1496 | std::pair<llvm::Constant*,llvm::Constant*> |
1497 | GetSectionBounds(StringRef Section) { |
1498 | if (CGM.getTriple().isOSBinFormatCOFF()) { |
1499 | if (emptyStruct == nullptr) { |
1500 | emptyStruct = llvm::StructType::create(VMContext, ".objc_section_sentinel"); |
1501 | emptyStruct->setBody({}, true); |
1502 | } |
1503 | auto ZeroInit = llvm::Constant::getNullValue(emptyStruct); |
1504 | auto Sym = [&](StringRef Prefix, StringRef SecSuffix) { |
1505 | auto *Sym = new llvm::GlobalVariable(TheModule, emptyStruct, |
1506 | false, |
1507 | llvm::GlobalValue::LinkOnceODRLinkage, ZeroInit, Prefix + |
1508 | Section); |
1509 | Sym->setVisibility(llvm::GlobalValue::HiddenVisibility); |
1510 | Sym->setSection((Section + SecSuffix).str()); |
1511 | Sym->setComdat(TheModule.getOrInsertComdat((Prefix + |
1512 | Section).str())); |
1513 | Sym->setAlignment(CGM.getPointerAlign().getAsAlign()); |
1514 | return Sym; |
1515 | }; |
1516 | return { Sym("__start_", "$a"), Sym("__stop", "$z") }; |
1517 | } |
1518 | auto *Start = new llvm::GlobalVariable(TheModule, PtrTy, |
1519 | false, |
1520 | llvm::GlobalValue::ExternalLinkage, nullptr, StringRef("__start_") + |
1521 | Section); |
1522 | Start->setVisibility(llvm::GlobalValue::HiddenVisibility); |
1523 | auto *Stop = new llvm::GlobalVariable(TheModule, PtrTy, |
1524 | false, |
1525 | llvm::GlobalValue::ExternalLinkage, nullptr, StringRef("__stop_") + |
1526 | Section); |
1527 | Stop->setVisibility(llvm::GlobalValue::HiddenVisibility); |
1528 | return { Start, Stop }; |
1529 | } |
1530 | CatchTypeInfo getCatchAllTypeInfo() override { |
1531 | return CGM.getCXXABI().getCatchAllTypeInfo(); |
1532 | } |
1533 | llvm::Function *ModuleInitFunction() override { |
1534 | llvm::Function *LoadFunction = llvm::Function::Create( |
1535 | llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext), false), |
1536 | llvm::GlobalValue::LinkOnceODRLinkage, ".objcv2_load_function", |
1537 | &TheModule); |
1538 | LoadFunction->setVisibility(llvm::GlobalValue::HiddenVisibility); |
1539 | LoadFunction->setComdat(TheModule.getOrInsertComdat(".objcv2_load_function")); |
1540 | |
1541 | llvm::BasicBlock *EntryBB = |
1542 | llvm::BasicBlock::Create(VMContext, "entry", LoadFunction); |
1543 | CGBuilderTy B(CGM, VMContext); |
1544 | B.SetInsertPoint(EntryBB); |
1545 | ConstantInitBuilder builder(CGM); |
1546 | auto InitStructBuilder = builder.beginStruct(); |
1547 | InitStructBuilder.addInt(Int64Ty, 0); |
1548 | auto §ionVec = CGM.getTriple().isOSBinFormatCOFF() ? PECOFFSectionsBaseNames : SectionsBaseNames; |
1549 | for (auto *s : sectionVec) { |
1550 | auto bounds = GetSectionBounds(s); |
1551 | InitStructBuilder.add(bounds.first); |
1552 | InitStructBuilder.add(bounds.second); |
1553 | } |
1554 | auto *InitStruct = InitStructBuilder.finishAndCreateGlobal(".objc_init", |
1555 | CGM.getPointerAlign(), false, llvm::GlobalValue::LinkOnceODRLinkage); |
1556 | InitStruct->setVisibility(llvm::GlobalValue::HiddenVisibility); |
1557 | InitStruct->setComdat(TheModule.getOrInsertComdat(".objc_init")); |
1558 | |
1559 | CallRuntimeFunction(B, "__objc_load", {InitStruct});; |
1560 | B.CreateRetVoid(); |
1561 | |
1562 | CGM.addCompilerUsedGlobal(LoadFunction); |
1563 | |
1564 | |
1565 | |
1566 | auto *InitVar = new llvm::GlobalVariable(TheModule, LoadFunction->getType(), |
1567 | false, llvm::GlobalValue::LinkOnceAnyLinkage, |
1568 | LoadFunction, ".objc_ctor"); |
1569 | |
1570 | |
1571 | assert(InitVar->getName() == ".objc_ctor"); |
1572 | |
1573 | |
1574 | |
1575 | |
1576 | |
1577 | if (CGM.getTriple().isOSBinFormatCOFF()) |
1578 | InitVar->setSection(".CRT$XCLz"); |
1579 | else |
1580 | { |
1581 | if (CGM.getCodeGenOpts().UseInitArray) |
1582 | InitVar->setSection(".init_array"); |
1583 | else |
1584 | InitVar->setSection(".ctors"); |
1585 | } |
1586 | InitVar->setVisibility(llvm::GlobalValue::HiddenVisibility); |
1587 | InitVar->setComdat(TheModule.getOrInsertComdat(".objc_ctor")); |
1588 | CGM.addUsedGlobal(InitVar); |
1589 | for (auto *C : Categories) { |
1590 | auto *Cat = cast<llvm::GlobalVariable>(C->stripPointerCasts()); |
1591 | Cat->setSection(sectionName<CategorySection>()); |
1592 | CGM.addUsedGlobal(Cat); |
1593 | } |
1594 | auto createNullGlobal = [&](StringRef Name, ArrayRef<llvm::Constant*> Init, |
1595 | StringRef Section) { |
1596 | auto nullBuilder = builder.beginStruct(); |
1597 | for (auto *F : Init) |
1598 | nullBuilder.add(F); |
1599 | auto GV = nullBuilder.finishAndCreateGlobal(Name, CGM.getPointerAlign(), |
1600 | false, llvm::GlobalValue::LinkOnceODRLinkage); |
1601 | GV->setSection(Section); |
1602 | GV->setComdat(TheModule.getOrInsertComdat(Name)); |
1603 | GV->setVisibility(llvm::GlobalValue::HiddenVisibility); |
1604 | CGM.addUsedGlobal(GV); |
1605 | return GV; |
1606 | }; |
1607 | for (auto clsAlias : ClassAliases) |
1608 | createNullGlobal(std::string(".objc_class_alias") + |
1609 | clsAlias.second, { MakeConstantString(clsAlias.second), |
1610 | GetClassVar(clsAlias.first) }, sectionName<ClassAliasSection>()); |
1611 | |
1612 | |
1613 | |
1614 | |
1615 | if (!CGM.getTriple().isOSBinFormatCOFF()) { |
1616 | createNullGlobal(".objc_null_selector", {NULLPtr, NULLPtr}, |
1617 | sectionName<SelectorSection>()); |
1618 | if (Categories.empty()) |
1619 | createNullGlobal(".objc_null_category", {NULLPtr, NULLPtr, |
1620 | NULLPtr, NULLPtr, NULLPtr, NULLPtr, NULLPtr}, |
1621 | sectionName<CategorySection>()); |
1622 | if (!EmittedClass) { |
1623 | createNullGlobal(".objc_null_cls_init_ref", NULLPtr, |
1624 | sectionName<ClassSection>()); |
1625 | createNullGlobal(".objc_null_class_ref", { NULLPtr, NULLPtr }, |
1626 | sectionName<ClassReferenceSection>()); |
1627 | } |
1628 | if (!EmittedProtocol) |
1629 | createNullGlobal(".objc_null_protocol", {NULLPtr, NULLPtr, NULLPtr, |
1630 | NULLPtr, NULLPtr, NULLPtr, NULLPtr, NULLPtr, NULLPtr, NULLPtr, |
1631 | NULLPtr}, sectionName<ProtocolSection>()); |
1632 | if (!EmittedProtocolRef) |
1633 | createNullGlobal(".objc_null_protocol_ref", {NULLPtr}, |
1634 | sectionName<ProtocolReferenceSection>()); |
1635 | if (ClassAliases.empty()) |
1636 | createNullGlobal(".objc_null_class_alias", { NULLPtr, NULLPtr }, |
1637 | sectionName<ClassAliasSection>()); |
1638 | if (ConstantStrings.empty()) { |
1639 | auto i32Zero = llvm::ConstantInt::get(Int32Ty, 0); |
1640 | createNullGlobal(".objc_null_constant_string", { NULLPtr, i32Zero, |
1641 | i32Zero, i32Zero, i32Zero, NULLPtr }, |
1642 | sectionName<ConstantStringSection>()); |
1643 | } |
1644 | } |
1645 | ConstantStrings.clear(); |
1646 | Categories.clear(); |
1647 | Classes.clear(); |
1648 | |
1649 | if (EarlyInitList.size() > 0) { |
1650 | auto *Init = llvm::Function::Create(llvm::FunctionType::get(CGM.VoidTy, |
1651 | {}), llvm::GlobalValue::InternalLinkage, ".objc_early_init", |
1652 | &CGM.getModule()); |
1653 | llvm::IRBuilder<> b(llvm::BasicBlock::Create(CGM.getLLVMContext(), "entry", |
1654 | Init)); |
1655 | for (const auto &lateInit : EarlyInitList) { |
1656 | auto *global = TheModule.getGlobalVariable(lateInit.first); |
1657 | if (global) { |
1658 | llvm::GlobalVariable *GV = lateInit.second.first; |
1659 | b.CreateAlignedStore( |
1660 | global, |
1661 | b.CreateStructGEP(GV->getValueType(), GV, lateInit.second.second), |
1662 | CGM.getPointerAlign().getAsAlign()); |
1663 | } |
1664 | } |
1665 | b.CreateRetVoid(); |
1666 | |
1667 | |
1668 | auto *InitVar = new llvm::GlobalVariable(CGM.getModule(), Init->getType(), |
1669 | true, llvm::GlobalValue::InternalLinkage, |
1670 | Init, ".objc_early_init_ptr"); |
1671 | InitVar->setSection(".CRT$XCLb"); |
1672 | CGM.addUsedGlobal(InitVar); |
1673 | } |
1674 | return nullptr; |
1675 | } |
1676 | |
1677 | |
1678 | std::string GetIVarOffsetVariableName(const ObjCInterfaceDecl *ID, |
1679 | const ObjCIvarDecl *Ivar) override { |
1680 | std::string TypeEncoding; |
1681 | CGM.getContext().getObjCEncodingForType(Ivar->getType(), TypeEncoding); |
1682 | |
1683 | std::replace(TypeEncoding.begin(), TypeEncoding.end(), |
1684 | '@', '\1'); |
1685 | const std::string Name = "__objc_ivar_offset_" + ID->getNameAsString() |
1686 | + '.' + Ivar->getNameAsString() + '.' + TypeEncoding; |
1687 | return Name; |
1688 | } |
1689 | llvm::Value *EmitIvarOffset(CodeGenFunction &CGF, |
1690 | const ObjCInterfaceDecl *Interface, |
1691 | const ObjCIvarDecl *Ivar) override { |
1692 | const std::string Name = GetIVarOffsetVariableName(Ivar->getContainingInterface(), Ivar); |
1693 | llvm::GlobalVariable *IvarOffsetPointer = TheModule.getNamedGlobal(Name); |
1694 | if (!IvarOffsetPointer) |
1695 | IvarOffsetPointer = new llvm::GlobalVariable(TheModule, IntTy, false, |
1696 | llvm::GlobalValue::ExternalLinkage, nullptr, Name); |
1697 | CharUnits Align = CGM.getIntAlign(); |
1698 | llvm::Value *Offset = |
1699 | CGF.Builder.CreateAlignedLoad(IntTy, IvarOffsetPointer, Align); |
1700 | if (Offset->getType() != PtrDiffTy) |
1701 | Offset = CGF.Builder.CreateZExtOrBitCast(Offset, PtrDiffTy); |
1702 | return Offset; |
1703 | } |
1704 | void GenerateClass(const ObjCImplementationDecl *OID) override { |
1705 | ASTContext &Context = CGM.getContext(); |
1706 | bool IsCOFF = CGM.getTriple().isOSBinFormatCOFF(); |
1707 | |
1708 | |
1709 | ObjCInterfaceDecl *classDecl = |
1710 | const_cast<ObjCInterfaceDecl *>(OID->getClassInterface()); |
1711 | std::string className = classDecl->getNameAsString(); |
1712 | auto *classNameConstant = MakeConstantString(className); |
1713 | |
1714 | ConstantInitBuilder builder(CGM); |
1715 | auto metaclassFields = builder.beginStruct(); |
1716 | |
1717 | metaclassFields.addNullPointer(PtrTy); |
1718 | |
1719 | metaclassFields.addNullPointer(PtrTy); |
1720 | |
1721 | metaclassFields.add(classNameConstant); |
1722 | |
1723 | metaclassFields.addInt(LongTy, 0); |
1724 | |
1725 | |
1726 | metaclassFields.addInt(LongTy, 1); |
1727 | |
1728 | |
1729 | |
1730 | metaclassFields.addInt(LongTy, 0); |
1731 | |
1732 | metaclassFields.addNullPointer(PtrTy); |
1733 | |
1734 | |
1735 | |
1736 | if (OID->classmeth_begin() == OID->classmeth_end()) |
1737 | metaclassFields.addNullPointer(PtrTy); |
1738 | else { |
1739 | SmallVector<ObjCMethodDecl*, 16> ClassMethods; |
1740 | ClassMethods.insert(ClassMethods.begin(), OID->classmeth_begin(), |
1741 | OID->classmeth_end()); |
1742 | metaclassFields.addBitCast( |
1743 | GenerateMethodList(className, "", ClassMethods, true), |
1744 | PtrTy); |
1745 | } |
1746 | |
1747 | metaclassFields.addNullPointer(PtrTy); |
1748 | |
1749 | metaclassFields.addNullPointer(PtrTy); |
1750 | |
1751 | metaclassFields.addNullPointer(PtrTy); |
1752 | |
1753 | metaclassFields.addNullPointer(PtrTy); |
1754 | |
1755 | metaclassFields.addNullPointer(PtrTy); |
1756 | |
1757 | metaclassFields.addNullPointer(PtrTy); |
1758 | |
1759 | metaclassFields.addNullPointer(PtrTy); |
1760 | |
1761 | metaclassFields.addInt(LongTy, 0); |
1762 | |
1763 | metaclassFields.add(GeneratePropertyList(OID, classDecl, true)); |
1764 | |
1765 | auto *metaclass = metaclassFields.finishAndCreateGlobal( |
1766 | ManglePublicSymbol("OBJC_METACLASS_") + className, |
1767 | CGM.getPointerAlign()); |
1768 | |
1769 | auto classFields = builder.beginStruct(); |
1770 | |
1771 | classFields.add(metaclass); |
1772 | |
1773 | |
1774 | const ObjCInterfaceDecl * SuperClassDecl = |
1775 | OID->getClassInterface()->getSuperClass(); |
1776 | llvm::Constant *SuperClass = nullptr; |
1777 | if (SuperClassDecl) { |
1778 | auto SuperClassName = SymbolForClass(SuperClassDecl->getNameAsString()); |
1779 | SuperClass = TheModule.getNamedGlobal(SuperClassName); |
1780 | if (!SuperClass) |
1781 | { |
1782 | SuperClass = new llvm::GlobalVariable(TheModule, PtrTy, false, |
1783 | llvm::GlobalValue::ExternalLinkage, nullptr, SuperClassName); |
1784 | if (IsCOFF) { |
1785 | auto Storage = llvm::GlobalValue::DefaultStorageClass; |
1786 | if (SuperClassDecl->hasAttr<DLLImportAttr>()) |
1787 | Storage = llvm::GlobalValue::DLLImportStorageClass; |
1788 | else if (SuperClassDecl->hasAttr<DLLExportAttr>()) |
1789 | Storage = llvm::GlobalValue::DLLExportStorageClass; |
1790 | |
1791 | cast<llvm::GlobalValue>(SuperClass)->setDLLStorageClass(Storage); |
1792 | } |
1793 | } |
1794 | if (!IsCOFF) |
1795 | classFields.add(llvm::ConstantExpr::getBitCast(SuperClass, PtrTy)); |
1796 | else |
1797 | classFields.addNullPointer(PtrTy); |
1798 | } else |
1799 | classFields.addNullPointer(PtrTy); |
1800 | |
1801 | classFields.add(classNameConstant); |
1802 | |
1803 | classFields.addInt(LongTy, 0); |
1804 | |
1805 | |
1806 | classFields.addInt(LongTy, 0); |
1807 | |
1808 | int superInstanceSize = !SuperClassDecl ? 0 : |
1809 | Context.getASTObjCInterfaceLayout(SuperClassDecl).getSize().getQuantity(); |
1810 | |
1811 | |
1812 | classFields.addInt(LongTy, |
1813 | 0 - (Context.getASTObjCImplementationLayout(OID).getSize().getQuantity() - |
1814 | superInstanceSize)); |
1815 | |
1816 | if (classDecl->all_declared_ivar_begin() == nullptr) |
1817 | classFields.addNullPointer(PtrTy); |
1818 | else { |
1819 | int ivar_count = 0; |
1820 | for (const ObjCIvarDecl *IVD = classDecl->all_declared_ivar_begin(); IVD; |
1821 | IVD = IVD->getNextIvar()) ivar_count++; |
1822 | llvm::DataLayout td(&TheModule); |
1823 | |
1824 | ConstantInitBuilder b(CGM); |
1825 | auto ivarListBuilder = b.beginStruct(); |
1826 | |
1827 | ivarListBuilder.addInt(IntTy, ivar_count); |
1828 | |
1829 | llvm::StructType *ObjCIvarTy = llvm::StructType::get( |
1830 | PtrToInt8Ty, |
1831 | PtrToInt8Ty, |
1832 | PtrToInt8Ty, |
1833 | Int32Ty, |
1834 | Int32Ty); |
1835 | ivarListBuilder.addInt(SizeTy, td.getTypeSizeInBits(ObjCIvarTy) / |
1836 | CGM.getContext().getCharWidth()); |
1837 | |
1838 | auto ivarArrayBuilder = ivarListBuilder.beginArray(); |
1839 | for (const ObjCIvarDecl *IVD = classDecl->all_declared_ivar_begin(); IVD; |
1840 | IVD = IVD->getNextIvar()) { |
1841 | auto ivarTy = IVD->getType(); |
1842 | auto ivarBuilder = ivarArrayBuilder.beginStruct(); |
1843 | |
1844 | ivarBuilder.add(MakeConstantString(IVD->getNameAsString())); |
1845 | |
1846 | std::string TypeStr; |
1847 | |
1848 | Context.getObjCEncodingForMethodParameter(Decl::OBJC_TQ_None, ivarTy, TypeStr, true); |
1849 | ivarBuilder.add(MakeConstantString(TypeStr)); |
1850 | |
1851 | uint64_t BaseOffset = ComputeIvarBaseOffset(CGM, OID, IVD); |
1852 | uint64_t Offset = BaseOffset - superInstanceSize; |
1853 | llvm::Constant *OffsetValue = llvm::ConstantInt::get(IntTy, Offset); |
1854 | std::string OffsetName = GetIVarOffsetVariableName(classDecl, IVD); |
1855 | llvm::GlobalVariable *OffsetVar = TheModule.getGlobalVariable(OffsetName); |
1856 | if (OffsetVar) |
1857 | OffsetVar->setInitializer(OffsetValue); |
1858 | else |
1859 | OffsetVar = new llvm::GlobalVariable(TheModule, IntTy, |
1860 | false, llvm::GlobalValue::ExternalLinkage, |
1861 | OffsetValue, OffsetName); |
1862 | auto ivarVisibility = |
1863 | (IVD->getAccessControl() == ObjCIvarDecl::Private || |
1864 | IVD->getAccessControl() == ObjCIvarDecl::Package || |
1865 | classDecl->getVisibility() == HiddenVisibility) ? |
1866 | llvm::GlobalValue::HiddenVisibility : |
1867 | llvm::GlobalValue::DefaultVisibility; |
1868 | OffsetVar->setVisibility(ivarVisibility); |
1869 | ivarBuilder.add(OffsetVar); |
1870 | |
1871 | ivarBuilder.addInt(Int32Ty, |
1872 | CGM.getContext().getTypeSizeInChars(ivarTy).getQuantity()); |
1873 | |
1874 | unsigned align = |
1875 | llvm::Log2_32(Context.getTypeAlignInChars(ivarTy).getQuantity()); |
1876 | |
1877 | assert(align < 64); |
1878 | |
1879 | |
1880 | |
1881 | |
1882 | ivarBuilder.addInt(Int32Ty, |
1883 | (align << 3) | (1<<2) | |
1884 | FlagsForOwnership(ivarTy.getQualifiers().getObjCLifetime())); |
1885 | ivarBuilder.finishAndAddTo(ivarArrayBuilder); |
1886 | } |
1887 | ivarArrayBuilder.finishAndAddTo(ivarListBuilder); |
1888 | auto ivarList = ivarListBuilder.finishAndCreateGlobal(".objc_ivar_list", |
1889 | CGM.getPointerAlign(), false, |
1890 | llvm::GlobalValue::PrivateLinkage); |
1891 | classFields.add(ivarList); |
1892 | } |
1893 | |
1894 | SmallVector<const ObjCMethodDecl*, 16> InstanceMethods; |
1895 | InstanceMethods.insert(InstanceMethods.begin(), OID->instmeth_begin(), |
1896 | OID->instmeth_end()); |
1897 | for (auto *propImpl : OID->property_impls()) |
1898 | if (propImpl->getPropertyImplementation() == |
1899 | ObjCPropertyImplDecl::Synthesize) { |
1900 | auto addIfExists = [&](const ObjCMethodDecl *OMD) { |
1901 | if (OMD && OMD->hasBody()) |
1902 | InstanceMethods.push_back(OMD); |
1903 | }; |
1904 | addIfExists(propImpl->getGetterMethodDecl()); |
1905 | addIfExists(propImpl->getSetterMethodDecl()); |
1906 | } |
1907 | |
1908 | if (InstanceMethods.size() == 0) |
1909 | classFields.addNullPointer(PtrTy); |
1910 | else |
1911 | classFields.addBitCast( |
1912 | GenerateMethodList(className, "", InstanceMethods, false), |
1913 | PtrTy); |
1914 | |
1915 | classFields.addNullPointer(PtrTy); |
1916 | |
1917 | classFields.addNullPointer(PtrTy); |
1918 | |
1919 | classFields.addNullPointer(PtrTy); |
1920 | |
1921 | classFields.addNullPointer(PtrTy); |
1922 | |
1923 | classFields.addNullPointer(PtrTy); |
1924 | |
1925 | auto RuntimeProtocols = GetRuntimeProtocolList(classDecl->protocol_begin(), |
1926 | classDecl->protocol_end()); |
1927 | SmallVector<llvm::Constant *, 16> Protocols; |
1928 | for (const auto *I : RuntimeProtocols) |
1929 | Protocols.push_back( |
1930 | llvm::ConstantExpr::getBitCast(GenerateProtocolRef(I), |
1931 | ProtocolPtrTy)); |
1932 | if (Protocols.empty()) |
1933 | classFields.addNullPointer(PtrTy); |
1934 | else |
1935 | classFields.add(GenerateProtocolList(Protocols)); |
1936 | |
1937 | classFields.addNullPointer(PtrTy); |
1938 | |
1939 | classFields.addInt(LongTy, 0); |
1940 | |
1941 | classFields.add(GeneratePropertyList(OID, classDecl)); |
1942 | |
1943 | llvm::GlobalVariable *classStruct = |
1944 | classFields.finishAndCreateGlobal(SymbolForClass(className), |
1945 | CGM.getPointerAlign(), false, llvm::GlobalValue::ExternalLinkage); |
1946 | |
1947 | auto *classRefSymbol = GetClassVar(className); |
1948 | classRefSymbol->setSection(sectionName<ClassReferenceSection>()); |
1949 | classRefSymbol->setInitializer(llvm::ConstantExpr::getBitCast(classStruct, IdTy)); |
1950 | |
1951 | if (IsCOFF) { |
1952 | |
1953 | if (OID->getClassInterface()->hasAttr<DLLExportAttr>()) { |
1954 | classStruct->setDLLStorageClass(llvm::GlobalValue::DLLExportStorageClass); |
1955 | cast<llvm::GlobalValue>(classRefSymbol)->setDLLStorageClass(llvm::GlobalValue::DLLExportStorageClass); |
1956 | } |
1957 | |
1958 | if (SuperClass) { |
1959 | std::pair<llvm::GlobalVariable*, int> v{classStruct, 1}; |
1960 | EarlyInitList.emplace_back(std::string(SuperClass->getName()), |
1961 | std::move(v)); |
1962 | } |
1963 | |
1964 | } |
1965 | |
1966 | |
1967 | |
1968 | |
1969 | if (ClassPtrAlias) { |
1970 | ClassPtrAlias->replaceAllUsesWith( |
1971 | llvm::ConstantExpr::getBitCast(classStruct, IdTy)); |
1972 | ClassPtrAlias->eraseFromParent(); |
1973 | ClassPtrAlias = nullptr; |
1974 | } |
1975 | if (auto Placeholder = |
1976 | TheModule.getNamedGlobal(SymbolForClass(className))) |
1977 | if (Placeholder != classStruct) { |
1978 | Placeholder->replaceAllUsesWith( |
1979 | llvm::ConstantExpr::getBitCast(classStruct, Placeholder->getType())); |
1980 | Placeholder->eraseFromParent(); |
1981 | classStruct->setName(SymbolForClass(className)); |
1982 | } |
1983 | if (MetaClassPtrAlias) { |
1984 | MetaClassPtrAlias->replaceAllUsesWith( |
1985 | llvm::ConstantExpr::getBitCast(metaclass, IdTy)); |
1986 | MetaClassPtrAlias->eraseFromParent(); |
1987 | MetaClassPtrAlias = nullptr; |
1988 | } |
1989 | assert(classStruct->getName() == SymbolForClass(className)); |
1990 | |
1991 | auto classInitRef = new llvm::GlobalVariable(TheModule, |
1992 | classStruct->getType(), false, llvm::GlobalValue::ExternalLinkage, |
1993 | classStruct, ManglePublicSymbol("OBJC_INIT_CLASS_") + className); |
1994 | classInitRef->setSection(sectionName<ClassSection>()); |
1995 | CGM.addUsedGlobal(classInitRef); |
1996 | |
1997 | EmittedClass = true; |
1998 | } |
1999 | public: |
2000 | CGObjCGNUstep2(CodeGenModule &Mod) : CGObjCGNUstep(Mod, 10, 4, 2) { |
2001 | MsgLookupSuperFn.init(&CGM, "objc_msg_lookup_super", IMPTy, |
2002 | PtrToObjCSuperTy, SelectorTy); |
2003 | |
2004 | |
2005 | |
2006 | |
2007 | |
2008 | |
2009 | |
2010 | |
2011 | PropertyMetadataTy = |
2012 | llvm::StructType::get(CGM.getLLVMContext(), |
2013 | { PtrToInt8Ty, PtrToInt8Ty, PtrToInt8Ty, PtrToInt8Ty, PtrToInt8Ty }); |
2014 | } |
2015 | |
2016 | }; |
2017 | |
2018 | const char *const CGObjCGNUstep2::SectionsBaseNames[8] = |
2019 | { |
2020 | "__objc_selectors", |
2021 | "__objc_classes", |
2022 | "__objc_class_refs", |
2023 | "__objc_cats", |
2024 | "__objc_protocols", |
2025 | "__objc_protocol_refs", |
2026 | "__objc_class_aliases", |
2027 | "__objc_constant_string" |
2028 | }; |
2029 | |
2030 | const char *const CGObjCGNUstep2::PECOFFSectionsBaseNames[8] = |
2031 | { |
2032 | ".objcrt$SEL", |
2033 | ".objcrt$CLS", |
2034 | ".objcrt$CLR", |
2035 | ".objcrt$CAT", |
2036 | ".objcrt$PCL", |
2037 | ".objcrt$PCR", |
2038 | ".objcrt$CAL", |
2039 | ".objcrt$STR" |
2040 | }; |
2041 | |
2042 | |
2043 | class CGObjCObjFW: public CGObjCGNU { |
2044 | protected: |
2045 | |
2046 | |
2047 | LazyRuntimeFunction MsgLookupFn; |
2048 | |
2049 | |
2050 | LazyRuntimeFunction MsgLookupFnSRet; |
2051 | |
2052 | |
2053 | |
2054 | LazyRuntimeFunction MsgLookupSuperFn, MsgLookupSuperFnSRet; |
2055 | |
2056 | llvm::Value *LookupIMP(CodeGenFunction &CGF, llvm::Value *&Receiver, |
2057 | llvm::Value *cmd, llvm::MDNode *node, |
2058 | MessageSendInfo &MSI) override { |
2059 | CGBuilderTy &Builder = CGF.Builder; |
2060 | llvm::Value *args[] = { |
2061 | EnforceType(Builder, Receiver, IdTy), |
2062 | EnforceType(Builder, cmd, SelectorTy) }; |
2063 | |
2064 | llvm::CallBase *imp; |
2065 | if (CGM.ReturnTypeUsesSRet(MSI.CallInfo)) |
2066 | imp = CGF.EmitRuntimeCallOrInvoke(MsgLookupFnSRet, args); |
2067 | else |
2068 | imp = CGF.EmitRuntimeCallOrInvoke(MsgLookupFn, args); |
2069 | |
2070 | imp->setMetadata(msgSendMDKind, node); |
2071 | return imp; |
2072 | } |
2073 | |
2074 | llvm::Value *LookupIMPSuper(CodeGenFunction &CGF, Address ObjCSuper, |
2075 | llvm::Value *cmd, MessageSendInfo &MSI) override { |
2076 | CGBuilderTy &Builder = CGF.Builder; |
2077 | llvm::Value *lookupArgs[] = { |
2078 | EnforceType(Builder, ObjCSuper.getPointer(), PtrToObjCSuperTy), cmd, |
2079 | }; |
2080 | |
2081 | if (CGM.ReturnTypeUsesSRet(MSI.CallInfo)) |
2082 | return CGF.EmitNounwindRuntimeCall(MsgLookupSuperFnSRet, lookupArgs); |
2083 | else |
2084 | return CGF.EmitNounwindRuntimeCall(MsgLookupSuperFn, lookupArgs); |
2085 | } |
2086 | |
2087 | llvm::Value *GetClassNamed(CodeGenFunction &CGF, const std::string &Name, |
2088 | bool isWeak) override { |
2089 | if (isWeak) |
2090 | return CGObjCGNU::GetClassNamed(CGF, Name, isWeak); |
2091 | |
2092 | EmitClassRef(Name); |
2093 | std::string SymbolName = "_OBJC_CLASS_" + Name; |
2094 | llvm::GlobalVariable *ClassSymbol = TheModule.getGlobalVariable(SymbolName); |
2095 | if (!ClassSymbol) |
2096 | ClassSymbol = new llvm::GlobalVariable(TheModule, LongTy, false, |
2097 | llvm::GlobalValue::ExternalLinkage, |
2098 | nullptr, SymbolName); |
2099 | return ClassSymbol; |
2100 | } |
2101 | |
2102 | public: |
2103 | CGObjCObjFW(CodeGenModule &Mod): CGObjCGNU(Mod, 9, 3) { |
2104 | |
2105 | MsgLookupFn.init(&CGM, "objc_msg_lookup", IMPTy, IdTy, SelectorTy); |
2106 | MsgLookupFnSRet.init(&CGM, "objc_msg_lookup_stret", IMPTy, IdTy, |
2107 | SelectorTy); |
2108 | |
2109 | MsgLookupSuperFn.init(&CGM, "objc_msg_lookup_super", IMPTy, |
2110 | PtrToObjCSuperTy, SelectorTy); |
2111 | MsgLookupSuperFnSRet.init(&CGM, "objc_msg_lookup_super_stret", IMPTy, |
2112 | PtrToObjCSuperTy, SelectorTy); |
2113 | } |
2114 | }; |
2115 | } |
2116 | |
2117 | |
2118 | |
2119 | |
2120 | void CGObjCGNU::EmitClassRef(const std::string &className) { |
2121 | std::string symbolRef = "__objc_class_ref_" + className; |
2122 | |
2123 | if (TheModule.getGlobalVariable(symbolRef)) |
2124 | return; |
2125 | std::string symbolName = "__objc_class_name_" + className; |
2126 | llvm::GlobalVariable *ClassSymbol = TheModule.getGlobalVariable(symbolName); |
2127 | if (!ClassSymbol) { |
2128 | ClassSymbol = new llvm::GlobalVariable(TheModule, LongTy, false, |
2129 | llvm::GlobalValue::ExternalLinkage, |
2130 | nullptr, symbolName); |
2131 | } |
2132 | new llvm::GlobalVariable(TheModule, ClassSymbol->getType(), true, |
2133 | llvm::GlobalValue::WeakAnyLinkage, ClassSymbol, symbolRef); |
2134 | } |
2135 | |
2136 | CGObjCGNU::CGObjCGNU(CodeGenModule &cgm, unsigned runtimeABIVersion, |
2137 | unsigned protocolClassVersion, unsigned classABI) |
2138 | : CGObjCRuntime(cgm), TheModule(CGM.getModule()), |
2139 | VMContext(cgm.getLLVMContext()), ClassPtrAlias(nullptr), |
2140 | MetaClassPtrAlias(nullptr), RuntimeVersion(runtimeABIVersion), |
2141 | ProtocolVersion(protocolClassVersion), ClassABIVersion(classABI) { |
2142 | |
2143 | msgSendMDKind = VMContext.getMDKindID("GNUObjCMessageSend"); |
2144 | usesSEHExceptions = |
2145 | cgm.getContext().getTargetInfo().getTriple().isWindowsMSVCEnvironment(); |
2146 | |
2147 | CodeGenTypes &Types = CGM.getTypes(); |
2148 | IntTy = cast<llvm::IntegerType>( |
2149 | Types.ConvertType(CGM.getContext().IntTy)); |
2150 | LongTy = cast<llvm::IntegerType>( |
2151 | Types.ConvertType(CGM.getContext().LongTy)); |
2152 | SizeTy = cast<llvm::IntegerType>( |
2153 | Types.ConvertType(CGM.getContext().getSizeType())); |
2154 | PtrDiffTy = cast<llvm::IntegerType>( |
2155 | Types.ConvertType(CGM.getContext().getPointerDiffType())); |
2156 | BoolTy = CGM.getTypes().ConvertType(CGM.getContext().BoolTy); |
2157 | |
2158 | Int8Ty = llvm::Type::getInt8Ty(VMContext); |
2159 | |
2160 | PtrToInt8Ty = llvm::PointerType::getUnqual(Int8Ty); |
2161 | ProtocolPtrTy = llvm::PointerType::getUnqual( |
2162 | Types.ConvertType(CGM.getContext().getObjCProtoType())); |
2163 | |
2164 | Zeros[0] = llvm::ConstantInt::get(LongTy, 0); |
2165 | Zeros[1] = Zeros[0]; |
2166 | NULLPtr = llvm::ConstantPointerNull::get(PtrToInt8Ty); |
2167 | |
2168 | QualType selTy = CGM.getContext().getObjCSelType(); |
2169 | if (QualType() == selTy) { |
2170 | SelectorTy = PtrToInt8Ty; |
2171 | } else { |
2172 | SelectorTy = cast<llvm::PointerType>(CGM.getTypes().ConvertType(selTy)); |
2173 | } |
2174 | |
2175 | PtrToIntTy = llvm::PointerType::getUnqual(IntTy); |
2176 | PtrTy = PtrToInt8Ty; |
2177 | |
2178 | Int32Ty = llvm::Type::getInt32Ty(VMContext); |
2179 | Int64Ty = llvm::Type::getInt64Ty(VMContext); |
2180 | |
2181 | IntPtrTy = |
2182 | CGM.getDataLayout().getPointerSizeInBits() == 32 ? Int32Ty : Int64Ty; |
2183 | |
2184 | |
2185 | QualType UnqualIdTy = CGM.getContext().getObjCIdType(); |
2186 | ASTIdTy = CanQualType(); |
2187 | if (UnqualIdTy != QualType()) { |
2188 | ASTIdTy = CGM.getContext().getCanonicalType(UnqualIdTy); |
2189 | IdTy = cast<llvm::PointerType>(CGM.getTypes().ConvertType(ASTIdTy)); |
2190 | } else { |
2191 | IdTy = PtrToInt8Ty; |
2192 | } |
2193 | PtrToIdTy = llvm::PointerType::getUnqual(IdTy); |
2194 | ProtocolTy = llvm::StructType::get(IdTy, |
2195 | PtrToInt8Ty, |
2196 | PtrToInt8Ty, |
2197 | PtrToInt8Ty, |
2198 | PtrToInt8Ty, |
2199 | PtrToInt8Ty, |
2200 | PtrToInt8Ty, |
2201 | PtrToInt8Ty, |
2202 | PtrToInt8Ty); |
2203 | |
2204 | |
2205 | |
2206 | |
2207 | |
2208 | |
2209 | |
2210 | |
2211 | |
2212 | |
2213 | |
2214 | |
2215 | |
2216 | PropertyMetadataTy = llvm::StructType::get(CGM.getLLVMContext(), { |
2217 | PtrToInt8Ty, Int8Ty, Int8Ty, Int8Ty, Int8Ty, PtrToInt8Ty, PtrToInt8Ty, |
2218 | PtrToInt8Ty, PtrToInt8Ty }); |
2219 | |
2220 | ObjCSuperTy = llvm::StructType::get(IdTy, IdTy); |
2221 | PtrToObjCSuperTy = llvm::PointerType::getUnqual(ObjCSuperTy); |
2222 | |
2223 | llvm::Type *VoidTy = llvm::Type::getVoidTy(VMContext); |
2224 | |
2225 | |
2226 | ExceptionThrowFn.init(&CGM, "objc_exception_throw", VoidTy, IdTy); |
2227 | ExceptionReThrowFn.init(&CGM, "objc_exception_throw", VoidTy, IdTy); |
2228 | |
2229 | SyncEnterFn.init(&CGM, "objc_sync_enter", IntTy, IdTy); |
2230 | |
2231 | SyncExitFn.init(&CGM, "objc_sync_exit", IntTy, IdTy); |
2232 | |
2233 | |
2234 | EnumerationMutationFn.init(&CGM, "objc_enumerationMutation", VoidTy, IdTy); |
2235 | |
2236 | |
2237 | GetPropertyFn.init(&CGM, "objc_getProperty", IdTy, IdTy, SelectorTy, |
2238 | PtrDiffTy, BoolTy); |
2239 | |
2240 | SetPropertyFn.init(&CGM, "objc_setProperty", VoidTy, IdTy, SelectorTy, |
2241 | PtrDiffTy, IdTy, BoolTy, BoolTy); |
2242 | |
2243 | GetStructPropertyFn.init(&CGM, "objc_getPropertyStruct", VoidTy, PtrTy, PtrTy, |
2244 | PtrDiffTy, BoolTy, BoolTy); |
2245 | |
2246 | SetStructPropertyFn.init(&CGM, "objc_setPropertyStruct", VoidTy, PtrTy, PtrTy, |
2247 | PtrDiffTy, BoolTy, BoolTy); |
2248 | |
2249 | |
2250 | llvm::Type *IMPArgs[] = { IdTy, SelectorTy }; |
2251 | IMPTy = llvm::PointerType::getUnqual(llvm::FunctionType::get(IdTy, IMPArgs, |
2252 | true)); |
2253 | |
2254 | const LangOptions &Opts = CGM.getLangOpts(); |
2255 | if ((Opts.getGC() != LangOptions::NonGC) || Opts.ObjCAutoRefCount) |
2256 | RuntimeVersion = 10; |
2257 | |
2258 | |
2259 | if (Opts.getGC() != LangOptions::NonGC) { |
2260 | |
2261 | |
2262 | |
2263 | |
2264 | RetainSel = GetNullarySelector("retain", CGM.getContext()); |
2265 | ReleaseSel = GetNullarySelector("release", CGM.getContext()); |
2266 | AutoreleaseSel = GetNullarySelector("autorelease", CGM.getContext()); |
2267 | |
2268 | |
2269 | |
2270 | |
2271 | IvarAssignFn.init(&CGM, "objc_assign_ivar", IdTy, IdTy, IdTy, PtrDiffTy); |
2272 | |
2273 | StrongCastAssignFn.init(&CGM, "objc_assign_strongCast", IdTy, IdTy, |
2274 | PtrToIdTy); |
2275 | |
2276 | GlobalAssignFn.init(&CGM, "objc_assign_global", IdTy, IdTy, PtrToIdTy); |
2277 | |
2278 | WeakAssignFn.init(&CGM, "objc_assign_weak", IdTy, IdTy, PtrToIdTy); |
2279 | |
2280 | WeakReadFn.init(&CGM, "objc_read_weak", IdTy, PtrToIdTy); |
2281 | |
2282 | MemMoveFn.init(&CGM, "objc_memmove_collectable", PtrTy, PtrTy, PtrTy, |
2283 | SizeTy); |
2284 | } |
2285 | } |
2286 | |
2287 | llvm::Value *CGObjCGNU::GetClassNamed(CodeGenFunction &CGF, |
2288 | const std::string &Name, bool isWeak) { |
2289 | llvm::Constant *ClassName = MakeConstantString(Name); |
2290 | |
2291 | |
2292 | |
2293 | |
2294 | |
2295 | |
2296 | |
2297 | if (!isWeak) |
2298 | EmitClassRef(Name); |
2299 | |
2300 | llvm::FunctionCallee ClassLookupFn = CGM.CreateRuntimeFunction( |
2301 | llvm::FunctionType::get(IdTy, PtrToInt8Ty, true), "objc_lookup_class"); |
2302 | return CGF.EmitNounwindRuntimeCall(ClassLookupFn, ClassName); |
2303 | } |
2304 | |
2305 | |
2306 | |
2307 | llvm::Value *CGObjCGNU::GetClass(CodeGenFunction &CGF, |
2308 | const ObjCInterfaceDecl *OID) { |
2309 | auto *Value = |
2310 | GetClassNamed(CGF, OID->getNameAsString(), OID->isWeakImported()); |
2311 | if (auto *ClassSymbol = dyn_cast<llvm::GlobalVariable>(Value)) |
2312 | CGM.setGVProperties(ClassSymbol, OID); |
2313 | return Value; |
2314 | } |
2315 | |
2316 | llvm::Value *CGObjCGNU::EmitNSAutoreleasePoolClassRef(CodeGenFunction &CGF) { |
2317 | auto *Value = GetClassNamed(CGF, "NSAutoreleasePool", false); |
2318 | if (CGM.getTriple().isOSBinFormatCOFF()) { |
2319 | if (auto *ClassSymbol = dyn_cast<llvm::GlobalVariable>(Value)) { |
2320 | IdentifierInfo &II = CGF.CGM.getContext().Idents.get("NSAutoreleasePool"); |
2321 | TranslationUnitDecl *TUDecl = CGM.getContext().getTranslationUnitDecl(); |
2322 | DeclContext *DC = TranslationUnitDecl::castToDeclContext(TUDecl); |
2323 | |
2324 | const VarDecl *VD = nullptr; |
2325 | for (const auto *Result : DC->lookup(&II)) |
2326 | if ((VD = dyn_cast<VarDecl>(Result))) |
2327 | break; |
2328 | |
2329 | CGM.setGVProperties(ClassSymbol, VD); |
2330 | } |
2331 | } |
2332 | return Value; |
2333 | } |
2334 | |
2335 | llvm::Value *CGObjCGNU::GetTypedSelector(CodeGenFunction &CGF, Selector Sel, |
2336 | const std::string &TypeEncoding) { |
2337 | SmallVectorImpl<TypedSelector> &Types = SelectorTable[Sel]; |
2338 | llvm::GlobalAlias *SelValue = nullptr; |
2339 | |
2340 | for (SmallVectorImpl<TypedSelector>::iterator i = Types.begin(), |
2341 | e = Types.end() ; i!=e ; i++) { |
2342 | if (i->first == TypeEncoding) { |
2343 | SelValue = i->second; |
2344 | break; |
2345 | } |
2346 | } |
2347 | if (!SelValue) { |
2348 | SelValue = llvm::GlobalAlias::create( |
2349 | SelectorTy->getElementType(), 0, llvm::GlobalValue::PrivateLinkage, |
2350 | ".objc_selector_" + Sel.getAsString(), &TheModule); |
2351 | Types.emplace_back(TypeEncoding, SelValue); |
2352 | } |
2353 | |
2354 | return SelValue; |
2355 | } |
2356 | |
2357 | Address CGObjCGNU::GetAddrOfSelector(CodeGenFunction &CGF, Selector Sel) { |
2358 | llvm::Value *SelValue = GetSelector(CGF, Sel); |
2359 | |
2360 | |
2361 | |
2362 | Address tmp = CGF.CreateTempAlloca(SelValue->getType(), |
2363 | CGF.getPointerAlign()); |
2364 | CGF.Builder.CreateStore(SelValue, tmp); |
2365 | return tmp; |
2366 | } |
2367 | |
2368 | llvm::Value *CGObjCGNU::GetSelector(CodeGenFunction &CGF, Selector Sel) { |
2369 | return GetTypedSelector(CGF, Sel, std::string()); |
2370 | } |
2371 | |
2372 | llvm::Value *CGObjCGNU::GetSelector(CodeGenFunction &CGF, |
2373 | const ObjCMethodDecl *Method) { |
2374 | std::string SelTypes = CGM.getContext().getObjCEncodingForMethodDecl(Method); |
2375 | return GetTypedSelector(CGF, Method->getSelector(), SelTypes); |
2376 | } |
2377 | |
2378 | llvm::Constant *CGObjCGNU::GetEHType(QualType T) { |
2379 | if (T->isObjCIdType() || T->isObjCQualifiedIdType()) { |
| 6 | | Calling 'Type::isObjCIdType' | |
|
| 10 | | Returning from 'Type::isObjCIdType' | |
|
| 11 | | Calling 'Type::isObjCQualifiedIdType' | |
|
| 15 | | Returning from 'Type::isObjCQualifiedIdType' | |
|
| |
2380 | |
2381 | |
2382 | |
2383 | |
2384 | if (CGM.getLangOpts().ObjCRuntime.isNonFragile()) { |
2385 | return MakeConstantString("@id"); |
2386 | } else { |
2387 | return nullptr; |
2388 | } |
2389 | } |
2390 | |
2391 | |
2392 | const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>(); |
| 17 | | Assuming the object is not a 'ObjCObjectPointerType' | |
|
| 18 | | 'OPT' initialized to a null pointer value | |
|
2393 | assert(OPT && "Invalid @catch type."); |
2394 | const ObjCInterfaceDecl *IDecl = OPT->getObjectType()->getInterface(); |
| 19 | | Called C++ object pointer is null |
|
2395 | assert(IDecl && "Invalid @catch type."); |
2396 | return MakeConstantString(IDecl->getIdentifier()->getName()); |
2397 | } |
2398 | |
2399 | llvm::Constant *CGObjCGNUstep::GetEHType(QualType T) { |
2400 | if (usesSEHExceptions) |
| 1 | Assuming field 'usesSEHExceptions' is false | |
|
| |
2401 | return CGM.getCXXABI().getAddrOfRTTIDescriptor(T); |
2402 | |
2403 | if (!CGM.getLangOpts().CPlusPlus) |
| 3 | | Assuming field 'CPlusPlus' is 0 | |
|
| |
2404 | return CGObjCGNU::GetEHType(T); |
| 5 | | Calling 'CGObjCGNU::GetEHType' | |
|
2405 | |
2406 | |
2407 | |
2408 | |
2409 | |
2410 | if (T->isObjCIdType() || |
2411 | T->isObjCQualifiedIdType()) { |
2412 | llvm::Constant *IDEHType = |
2413 | CGM.getModule().getGlobalVariable("__objc_id_type_info"); |
2414 | if (!IDEHType) |
2415 | IDEHType = |
2416 | new llvm::GlobalVariable(CGM.getModule(), PtrToInt8Ty, |
2417 | false, |
2418 | llvm::GlobalValue::ExternalLinkage, |
2419 | nullptr, "__objc_id_type_info"); |
2420 | return llvm::ConstantExpr::getBitCast(IDEHType, PtrToInt8Ty); |
2421 | } |
2422 | |
2423 | const ObjCObjectPointerType *PT = |
2424 | T->getAs<ObjCObjectPointerType>(); |
2425 | assert(PT && "Invalid @catch type."); |
2426 | const ObjCInterfaceType *IT = PT->getInterfaceType(); |
2427 | assert(IT && "Invalid @catch type."); |
2428 | std::string className = |
2429 | std::string(IT->getDecl()->getIdentifier()->getName()); |
2430 | |
2431 | std::string typeinfoName = "__objc_eh_typeinfo_" + className; |
2432 | |
2433 | |
2434 | llvm::Constant *typeinfo = TheModule.getGlobalVariable(typeinfoName); |
2435 | if (typeinfo) |
2436 | return llvm::ConstantExpr::getBitCast(typeinfo, PtrToInt8Ty); |
2437 | |
2438 | |
2439 | |
2440 | |
2441 | |
2442 | |
2443 | const char *vtableName = "_ZTVN7gnustep7libobjc22__objc_class_type_infoE"; |
2444 | auto *Vtable = TheModule.getGlobalVariable(vtableName); |
2445 | if (!Vtable) { |
2446 | Vtable = new llvm::GlobalVariable(TheModule, PtrToInt8Ty, true, |
2447 | llvm::GlobalValue::ExternalLinkage, |
2448 | nullptr, vtableName); |
2449 | } |
2450 | llvm::Constant *Two = llvm::ConstantInt::get(IntTy, 2); |
2451 | auto *BVtable = llvm::ConstantExpr::getBitCast( |
2452 | llvm::ConstantExpr::getGetElementPtr(Vtable->getValueType(), Vtable, Two), |
2453 | PtrToInt8Ty); |
2454 | |
2455 | llvm::Constant *typeName = |
2456 | ExportUniqueString(className, "__objc_eh_typename_"); |
2457 | |
2458 | ConstantInitBuilder builder(CGM); |
2459 | auto fields = builder.beginStruct(); |
2460 | fields.add(BVtable); |
2461 | fields.add(typeName); |
2462 | llvm::Constant *TI = |
2463 | fields.finishAndCreateGlobal("__objc_eh_typeinfo_" + className, |
2464 | CGM.getPointerAlign(), |
2465 | false, |
2466 | llvm::GlobalValue::LinkOnceODRLinkage); |
2467 | return llvm::ConstantExpr::getBitCast(TI, PtrToInt8Ty); |
2468 | } |
2469 | |
2470 | |
2471 | ConstantAddress CGObjCGNU::GenerateConstantString(const StringLiteral *SL) { |
2472 | |
2473 | std::string Str = SL->getString().str(); |
2474 | CharUnits Align = CGM.getPointerAlign(); |
2475 | |
2476 | |
2477 | llvm::StringMap<llvm::Constant*>::iterator old = ObjCStrings.find(Str); |
2478 | if (old != ObjCStrings.end()) |
2479 | return ConstantAddress(old->getValue(), Align); |
2480 | |
2481 | StringRef StringClass = CGM.getLangOpts().ObjCConstantStringClass; |
2482 | |
2483 | if (StringClass.empty()) StringClass = "NSConstantString"; |
2484 | |
2485 | std::string Sym = "_OBJC_CLASS_"; |
2486 | Sym += StringClass; |
2487 | |
2488 | llvm::Constant *isa = TheModule.getNamedGlobal(Sym); |
2489 | |
2490 | if (!isa) |
2491 | isa = new llvm::GlobalVariable(TheModule, IdTy, false, |
2492 | llvm::GlobalValue::ExternalWeakLinkage, nullptr, Sym); |
2493 | else if (isa->getType() != PtrToIdTy) |
2494 | isa = llvm::ConstantExpr::getBitCast(isa, PtrToIdTy); |
2495 | |
2496 | ConstantInitBuilder Builder(CGM); |
2497 | auto Fields = Builder.beginStruct(); |
2498 | Fields.add(isa); |
2499 | Fields.add(MakeConstantString(Str)); |
2500 | Fields.addInt(IntTy, Str.size()); |
2501 | llvm::Constant *ObjCStr = |
2502 | Fields.finishAndCreateGlobal(".objc_str", Align); |
2503 | ObjCStr = llvm::ConstantExpr::getBitCast(ObjCStr, PtrToInt8Ty); |
2504 | ObjCStrings[Str] = ObjCStr; |
2505 | ConstantStrings.push_back(ObjCStr); |
2506 | return ConstantAddress(ObjCStr, Align); |
2507 | } |
2508 | |
2509 | |
2510 | |
2511 | |
2512 | RValue |
2513 | CGObjCGNU::GenerateMessageSendSuper(CodeGenFunction &CGF, |
2514 | ReturnValueSlot Return, |
2515 | QualType ResultType, |
2516 | Selector Sel, |
2517 | const ObjCInterfaceDecl *Class, |
2518 | bool isCategoryImpl, |
2519 | llvm::Value *Receiver, |
2520 | bool IsClassMessage, |
2521 | const CallArgList &CallArgs, |
2522 | const ObjCMethodDecl *Method) { |
2523 | CGBuilderTy &Builder = CGF.Builder; |
2524 | if (CGM.getLangOpts().getGC() == LangOptions::GCOnly) { |
2525 | if (Sel == RetainSel || Sel == AutoreleaseSel) { |
2526 | return RValue::get(EnforceType(Builder, Receiver, |
2527 | CGM.getTypes().ConvertType(ResultType))); |
2528 | } |
2529 | if (Sel == ReleaseSel) { |
2530 | return RValue::get(nullptr); |
2531 | } |
2532 | } |
2533 | |
2534 | llvm::Value *cmd = GetSelector(CGF, Sel); |
2535 | CallArgList ActualArgs; |
2536 | |
2537 | ActualArgs.add(RValue::get(EnforceType(Builder, Receiver, IdTy)), ASTIdTy); |
2538 | ActualArgs.add(RValue::get(cmd), CGF.getContext().getObjCSelType()); |
2539 | ActualArgs.addFrom(CallArgs); |
2540 | |
2541 | MessageSendInfo MSI = getMessageSendInfo(Method, ResultType, ActualArgs); |
2542 | |
2543 | llvm::Value *ReceiverClass = nullptr; |
2544 | bool isV2ABI = isRuntime(ObjCRuntime::GNUstep, 2); |
2545 | if (isV2ABI) { |
2546 | ReceiverClass = GetClassNamed(CGF, |
2547 | Class->getSuperClass()->getNameAsString(), false); |
2548 | if (IsClassMessage) { |
2549 | |
2550 | ReceiverClass = Builder.CreateBitCast(ReceiverClass, |
2551 | llvm::PointerType::getUnqual(IdTy)); |
2552 | ReceiverClass = |
2553 | Builder.CreateAlignedLoad(IdTy, ReceiverClass, CGF.getPointerAlign()); |
2554 | } |
2555 | ReceiverClass = EnforceType(Builder, ReceiverClass, IdTy); |
2556 | } else { |
2557 | if (isCategoryImpl) { |
2558 | llvm::FunctionCallee classLookupFunction = nullptr; |
2559 | if (IsClassMessage) { |
2560 | classLookupFunction = CGM.CreateRuntimeFunction(llvm::FunctionType::get( |
2561 | IdTy, PtrTy, true), "objc_get_meta_class"); |
2562 | } else { |
2563 | classLookupFunction = CGM.CreateRuntimeFunction(llvm::FunctionType::get( |
2564 | IdTy, PtrTy, true), "objc_get_class"); |
2565 | } |
2566 | ReceiverClass = Builder.CreateCall(classLookupFunction, |
2567 | MakeConstantString(Class->getNameAsString())); |
2568 | } else { |
2569 | |
2570 | |
2571 | |
2572 | |
2573 | |
2574 | if (IsClassMessage) { |
2575 | if (!MetaClassPtrAlias) { |
2576 | MetaClassPtrAlias = llvm::GlobalAlias::create( |
2577 | IdTy->getElementType(), 0, llvm::GlobalValue::InternalLinkage, |
2578 | ".objc_metaclass_ref" + Class->getNameAsString(), &TheModule); |
2579 | } |
2580 | ReceiverClass = MetaClassPtrAlias; |
2581 | } else { |
2582 | if (!ClassPtrAlias) { |
2583 | ClassPtrAlias = llvm::GlobalAlias::create( |
2584 | IdTy->getElementType(), 0, llvm::GlobalValue::InternalLinkage, |
2585 | ".objc_class_ref" + Class->getNameAsString(), &TheModule); |
2586 | } |
2587 | ReceiverClass = ClassPtrAlias; |
2588 | } |
2589 | } |
2590 | |
2591 | llvm::Type *CastTy = llvm::StructType::get(IdTy, IdTy); |
2592 | ReceiverClass = Builder.CreateBitCast(ReceiverClass, |
2593 | llvm::PointerType::getUnqual(CastTy)); |
2594 | |
2595 | ReceiverClass = Builder.CreateStructGEP(CastTy, ReceiverClass, 1); |
2596 | |
2597 | ReceiverClass = |
2598 | Builder.CreateAlignedLoad(IdTy, ReceiverClass, CGF.getPointerAlign()); |
2599 | } |
2600 | |
2601 | llvm::StructType *ObjCSuperTy = |
2602 | llvm::StructType::get(Receiver->getType(), IdTy); |
2603 | |
2604 | Address ObjCSuper = CGF.CreateTempAlloca(ObjCSuperTy, |
2605 | CGF.getPointerAlign()); |
2606 | |
2607 | Builder.CreateStore(Receiver, Builder.CreateStructGEP(ObjCSuper, 0)); |
2608 | Builder.CreateStore(ReceiverClass, Builder.CreateStructGEP(ObjCSuper, 1)); |
2609 | |
2610 | ObjCSuper = EnforceType(Builder, ObjCSuper, PtrToObjCSuperTy); |
2611 | |
2612 | |
2613 | llvm::Value *imp = LookupIMPSuper(CGF, ObjCSuper, cmd, MSI); |
2614 | imp = EnforceType(Builder, imp, MSI.MessengerType); |
2615 | |
2616 | llvm::Metadata *impMD[] = { |
2617 | llvm::MDString::get(VMContext, Sel.getAsString()), |
2618 | llvm::MDString::get(VMContext, Class->getSuperClass()->getNameAsString()), |
2619 | llvm::ConstantAsMetadata::get(llvm::ConstantInt::get( |
2620 | llvm::Type::getInt1Ty(VMContext), IsClassMessage))}; |
2621 | llvm::MDNode *node = llvm::MDNode::get(VMContext, impMD); |
2622 | |
2623 | CGCallee callee(CGCalleeInfo(), imp); |
2624 | |
2625 | llvm::CallBase *call; |
2626 | RValue msgRet = CGF.EmitCall(MSI.CallInfo, callee, Return, ActualArgs, &call); |
2627 | call->setMetadata(msgSendMDKind, node); |
2628 | return msgRet; |
2629 | } |
2630 | |
2631 | |
2632 | RValue |
2633 | CGObjCGNU::GenerateMessageSend(CodeGenFunction &CGF, |
2634 | ReturnValueSlot Return, |
2635 | QualType ResultType, |
2636 | Selector Sel, |
2637 | llvm::Value *Receiver, |
2638 | const CallArgList &CallArgs, |
2639 | const ObjCInterfaceDecl *Class, |
2640 | const ObjCMethodDecl *Method) { |
2641 | CGBuilderTy &Builder = CGF.Builder; |
2642 | |
2643 | |
2644 | if (CGM.getLangOpts().getGC() == LangOptions::GCOnly) { |
2645 | if (Sel == RetainSel || Sel == AutoreleaseSel) { |
2646 | return RValue::get(EnforceType(Builder, Receiver, |
2647 | CGM.getTypes().ConvertType(ResultType))); |
2648 | } |
2649 | if (Sel == ReleaseSel) { |
2650 | return RValue::get(nullptr); |
2651 | } |
2652 | } |
2653 | |
2654 | |
2655 | |
2656 | |
2657 | |
2658 | |
2659 | |
2660 | |
2661 | |
2662 | |
2663 | |
2664 | |
2665 | bool isPointerSizedReturn = (ResultType->isAnyPointerType() || |
2666 | ResultType->isIntegralOrEnumerationType() || ResultType->isVoidType()); |
2667 | |
2668 | llvm::BasicBlock *startBB = nullptr; |
2669 | llvm::BasicBlock *messageBB = nullptr; |
2670 | llvm::BasicBlock *continueBB = nullptr; |
2671 | |
2672 | if (!isPointerSizedReturn) { |
2673 | startBB = Builder.GetInsertBlock(); |
2674 | messageBB = CGF.createBasicBlock("msgSend"); |
2675 | continueBB = CGF.createBasicBlock("continue"); |
2676 | |
2677 | llvm::Value *isNil = Builder.CreateICmpEQ(Receiver, |
2678 | llvm::Constant::getNullValue(Receiver->getType())); |
2679 | Builder.CreateCondBr(isNil, continueBB, messageBB); |
2680 | CGF.EmitBlock(messageBB); |
2681 | } |
2682 | |
2683 | IdTy = cast<llvm::PointerType>(CGM.getTypes().ConvertType(ASTIdTy)); |
2684 | llvm::Value *cmd; |
2685 | if (Method) |
2686 | cmd = GetSelector(CGF, Method); |
2687 | else |
2688 | cmd = GetSelector(CGF, Sel); |
2689 | cmd = EnforceType(Builder, cmd, SelectorTy); |
2690 | Receiver = EnforceType(Builder, Receiver, IdTy); |
2691 | |
2692 | llvm::Metadata *impMD[] = { |
2693 | llvm::MDString::get(VMContext, Sel.getAsString()), |
2694 | llvm::MDString::get(VMContext, Class ? Class->getNameAsString() : ""), |
2695 | llvm::ConstantAsMetadata::get(llvm::ConstantInt::get( |
2696 | llvm::Type::getInt1Ty(VMContext), Class != nullptr))}; |
2697 | llvm::MDNode *node = llvm::MDNode::get(VMContext, impMD); |
2698 | |
2699 | CallArgList ActualArgs; |
2700 | ActualArgs.add(RValue::get(Receiver), ASTIdTy); |
2701 | ActualArgs.add(RValue::get(cmd), CGF.getContext().getObjCSelType()); |
2702 | ActualArgs.addFrom(CallArgs); |
2703 | |
2704 | MessageSendInfo MSI = getMessageSendInfo(Method, ResultType, ActualArgs); |
2705 | |
2706 | |
2707 | llvm::Value *imp; |
2708 | |
2709 | |
2710 | |
2711 | |
2712 | switch (CGM.getCodeGenOpts().getObjCDispatchMethod()) { |
2713 | case CodeGenOptions::Legacy: |
2714 | imp = LookupIMP(CGF, Receiver, cmd, node, MSI); |
2715 | break; |
2716 | case CodeGenOptions::Mixed: |
2717 | case CodeGenOptions::NonLegacy: |
2718 | if (CGM.ReturnTypeUsesFPRet(ResultType)) { |
2719 | imp = |
2720 | CGM.CreateRuntimeFunction(llvm::FunctionType::get(IdTy, IdTy, true), |
2721 | "objc_msgSend_fpret") |
2722 | .getCallee(); |
2723 | } else if (CGM.ReturnTypeUsesSRet(MSI.CallInfo)) { |
2724 | |
2725 | |
2726 | imp = |
2727 | CGM.CreateRuntimeFunction(llvm::FunctionType::get(IdTy, IdTy, true), |
2728 | "objc_msgSend_stret") |
2729 | .getCallee(); |
2730 | } else { |
2731 | imp = CGM.CreateRuntimeFunction( |
2732 | llvm::FunctionType::get(IdTy, IdTy, true), "objc_msgSend") |
2733 | .getCallee(); |
2734 | } |
2735 | } |
2736 | |
2737 | |
2738 | ActualArgs[0] = CallArg(RValue::get(Receiver), ASTIdTy); |
2739 | |
2740 | imp = EnforceType(Builder, imp, MSI.MessengerType); |
2741 | |
2742 | llvm::CallBase *call; |
2743 | CGCallee callee(CGCalleeInfo(), imp); |
2744 | RValue msgRet = CGF.EmitCall(MSI.CallInfo, callee, Return, ActualArgs, &call); |
2745 | call->setMetadata(msgSendMDKind, node); |
2746 | |
2747 | |
2748 | if (!isPointerSizedReturn) { |
2749 | messageBB = CGF.Builder.GetInsertBlock(); |
2750 | CGF.Builder.CreateBr(continueBB); |
2751 | CGF.EmitBlock(continueBB); |
2752 | if (msgRet.isScalar()) { |
2753 | llvm::Value *v = msgRet.getScalarVal(); |
2754 | llvm::PHINode *phi = Builder.CreatePHI(v->getType(), 2); |
2755 | phi->addIncoming(v, messageBB); |
2756 | phi->addIncoming(llvm::Constant::getNullValue(v->getType()), startBB); |
2757 | msgRet = RValue::get(phi); |
2758 | } else if (msgRet.isAggregate()) { |
2759 | Address v = msgRet.getAggregateAddress(); |
2760 | llvm::PHINode *phi = Builder.CreatePHI(v.getType(), 2); |
2761 | llvm::Type *RetTy = v.getElementType(); |
2762 | Address NullVal = CGF.CreateTempAlloca(RetTy, v.getAlignment(), "null"); |
2763 | CGF.InitTempAlloca(NullVal, llvm::Constant::getNullValue(RetTy)); |
2764 | phi->addIncoming(v.getPointer(), messageBB); |
2765 | phi->addIncoming(NullVal.getPointer(), startBB); |
2766 | msgRet = RValue::getAggregate(Address(phi, v.getAlignment())); |
2767 | } else { |
2768 | std::pair<llvm::Value*,llvm::Value*> v = msgRet.getComplexVal(); |
2769 | llvm::PHINode *phi = Builder.CreatePHI(v.first->getType(), 2); |
2770 | phi->addIncoming(v.first, messageBB); |
2771 | phi->addIncoming(llvm::Constant::getNullValue(v.first->getType()), |
2772 | startBB); |
2773 | llvm::PHINode *phi2 = Builder.CreatePHI(v.second->getType(), 2); |
2774 | phi2->addIncoming(v.second, messageBB); |
2775 | phi2->addIncoming(llvm::Constant::getNullValue(v.second->getType()), |
2776 | startBB); |
2777 | msgRet = RValue::getComplex(phi, phi2); |
2778 | } |
2779 | } |
2780 | return msgRet; |
2781 | } |
2782 | |
2783 | |
2784 | |
2785 | llvm::Constant *CGObjCGNU:: |
2786 | GenerateMethodList(StringRef ClassName, |
2787 | StringRef CategoryName, |
2788 | ArrayRef<const ObjCMethodDecl*> Methods, |
2789 | bool isClassMethodList) { |
2790 | if (Methods.empty()) |
2791 | return NULLPtr; |
2792 | |
2793 | ConstantInitBuilder Builder(CGM); |
2794 | |
2795 | auto MethodList = Builder.beginStruct(); |
2796 | MethodList.addNullPointer(CGM.Int8PtrTy); |
2797 | MethodList.addInt(Int32Ty, Methods.size()); |
2798 | |
2799 | |
2800 | llvm::StructType *ObjCMethodTy = |
2801 | llvm::StructType::get(CGM.getLLVMContext(), { |
2802 | PtrToInt8Ty, |
2803 | PtrToInt8Ty, |
2804 | IMPTy |
2805 | }); |
2806 | bool isV2ABI = isRuntime(ObjCRuntime::GNUstep, 2); |
2807 | if (isV2ABI) { |
2808 | |
2809 | llvm::DataLayout td(&TheModule); |
2810 | MethodList.addInt(SizeTy, td.getTypeSizeInBits(ObjCMethodTy) / |
2811 | CGM.getContext().getCharWidth()); |
2812 | ObjCMethodTy = |
2813 | llvm::StructType::get(CGM.getLLVMContext(), { |
2814 | IMPTy, |
2815 | PtrToInt8Ty, |
2816 | PtrToInt8Ty |
2817 | }); |
2818 | } else { |
2819 | ObjCMethodTy = |
2820 | llvm::StructType::get(CGM.getLLVMContext(), { |
2821 | PtrToInt8Ty, |
2822 | PtrToInt8Ty, |
2823 | IMPTy |
2824 | }); |
2825 | } |
2826 | auto MethodArray = MethodList.beginArray(); |
2827 | ASTContext &Context = CGM.getContext(); |
2828 | for (const auto *OMD : Methods) { |
2829 | llvm::Constant *FnPtr = |
2830 | TheModule.getFunction(getSymbolNameForMethod(OMD)); |
2831 | assert(FnPtr && "Can't generate metadata for method that doesn't exist"); |
2832 | auto Method = MethodArray.beginStruct(ObjCMethodTy); |
2833 | if (isV2ABI) { |
2834 | Method.addBitCast(FnPtr, IMPTy); |
2835 | Method.add(GetConstantSelector(OMD->getSelector(), |
2836 | Context.getObjCEncodingForMethodDecl(OMD))); |
2837 | Method.add(MakeConstantString(Context.getObjCEncodingForMethodDecl(OMD, true))); |
2838 | } else { |
2839 | Method.add(MakeConstantString(OMD->getSelector().getAsString())); |
2840 | Method.add(MakeConstantString(Context.getObjCEncodingForMethodDecl(OMD))); |
2841 | Method.addBitCast(FnPtr, IMPTy); |
2842 | } |
2843 | Method.finishAndAddTo(MethodArray); |
2844 | } |
2845 | MethodArray.finishAndAddTo(MethodList); |
2846 | |
2847 | |
2848 | return MethodList.finishAndCreateGlobal(".objc_method_list", |
2849 | CGM.getPointerAlign()); |
2850 | } |
2851 | |
2852 | |
2853 | llvm::Constant *CGObjCGNU:: |
2854 | GenerateIvarList(ArrayRef<llvm::Constant *> IvarNames, |
2855 | ArrayRef<llvm::Constant *> IvarTypes, |
2856 | ArrayRef<llvm::Constant *> IvarOffsets, |
2857 | ArrayRef<llvm::Constant *> IvarAlign, |
2858 | ArrayRef<Qualifiers::ObjCLifetime> IvarOwnership) { |
2859 | if (IvarNames.empty()) |
2860 | return NULLPtr; |
2861 | |
2862 | ConstantInitBuilder Builder(CGM); |
2863 | |
2864 | |
2865 | auto IvarList = Builder.beginStruct(); |
2866 | IvarList.addInt(IntTy, (int)IvarNames.size()); |
2867 | |
2868 | |
2869 | llvm::StructType *ObjCIvarTy = |
2870 | llvm::StructType::get(PtrToInt8Ty, PtrToInt8Ty, IntTy); |
2871 | |
2872 | |
2873 | auto Ivars = IvarList.beginArray(ObjCIvarTy); |
2874 | for (unsigned int i = 0, e = IvarNames.size() ; i < e ; i++) { |
2875 | auto Ivar = Ivars.beginStruct(ObjCIvarTy); |
2876 | Ivar.add(IvarNames[i]); |
2877 | Ivar.add(IvarTypes[i]); |
2878 | Ivar.add(IvarOffsets[i]); |
2879 | Ivar.finishAndAddTo(Ivars); |
2880 | } |
2881 | Ivars.finishAndAddTo(IvarList); |
2882 | |
2883 | |
2884 | return IvarList.finishAndCreateGlobal(".objc_ivar_list", |
2885 | CGM.getPointerAlign()); |
2886 | } |
2887 | |
2888 | |
2889 | llvm::Constant *CGObjCGNU::GenerateClassStructure( |
2890 | llvm::Constant *MetaClass, |
2891 | llvm::Constant *SuperClass, |
2892 | unsigned info, |
2893 | const char *Name, |
2894 | llvm::Constant *Version, |
2895 | llvm::Constant *InstanceSize, |
2896 | llvm::Constant *IVars, |
2897 | llvm::Constant *Methods, |
2898 | llvm::Constant *Protocols, |
2899 | llvm::Constant *IvarOffsets, |
2900 | llvm::Constant *Properties, |
2901 | llvm::Constant *StrongIvarBitmap, |
2902 | llvm::Constant *WeakIvarBitmap, |
2903 | bool isMeta) { |
2904 | |
2905 | |
2906 | |
2907 | |
2908 | |
2909 | |
2910 | |
2911 | llvm::StructType *ClassTy = llvm::StructType::get( |
2912 | PtrToInt8Ty, |
2913 | PtrToInt8Ty, |
2914 | PtrToInt8Ty, |
2915 | LongTy, |
2916 | LongTy, |
2917 | LongTy, |
2918 | IVars->getType(), |
2919 | Methods->getType(), |
2920 | |
2921 | PtrTy, |
2922 | PtrTy, |
2923 | PtrTy, |
2924 | PtrTy, |
2925 | PtrTy, |
2926 | |
2927 | LongTy, |
2928 | IvarOffsets->getType(), |
2929 | Properties->getType(), |
2930 | IntPtrTy, |
2931 | IntPtrTy |
2932 | ); |
2933 | |
2934 | ConstantInitBuilder Builder(CGM); |
2935 | auto Elements = Builder.beginStruct(ClassTy); |
2936 | |
2937 | |
2938 | |
2939 | |
2940 | Elements.addBitCast(MetaClass, PtrToInt8Ty); |
2941 | |
2942 | Elements.add(SuperClass); |
2943 | |
2944 | Elements.add(MakeConstantString(Name, ".class_name")); |
2945 | |
2946 | Elements.addInt(LongTy, 0); |
2947 | |
2948 | Elements.addInt(LongTy, info); |
2949 | |
2950 | if (isMeta) { |
2951 | llvm::DataLayout td(&TheModule); |
2952 | Elements.addInt(LongTy, |
2953 | td.getTypeSizeInBits(ClassTy) / |
2954 | CGM.getContext().getCharWidth()); |
2955 | } else |
2956 | Elements.add(InstanceSize); |
2957 | |
2958 | Elements.add(IVars); |
2959 | |
2960 | Elements.add(Methods); |
2961 | |
2962 | |
2963 | Elements.add(NULLPtr); |
2964 | |
2965 | Elements.add(NULLPtr); |
2966 | |
2967 | Elements.add(NULLPtr); |
2968 | |
2969 | Elements.addBitCast(Protocols, PtrTy); |
2970 | |
2971 | Elements.add(NULLPtr); |
2972 | |
2973 | Elements.addInt(LongTy, ClassABIVersion); |
2974 | |
2975 | Elements.add(IvarOffsets); |
2976 | |
2977 | Elements.add(Properties); |
2978 | |
2979 | Elements.add(StrongIvarBitmap); |
2980 | |
2981 | Elements.add(WeakIvarBitmap); |
2982 | |
2983 | |
2984 | |
2985 | |
2986 | std::string ClassSym((isMeta ? "_OBJC_METACLASS_": "_OBJC_CLASS_") + |
2987 | std::string(Name)); |
2988 | llvm::GlobalVariable *ClassRef = TheModule.getNamedGlobal(ClassSym); |
2989 | llvm::Constant *Class = |
2990 | Elements.finishAndCreateGlobal(ClassSym, CGM.getPointerAlign(), false, |
2991 | llvm::GlobalValue::ExternalLinkage); |
2992 | if (ClassRef) { |
2993 | ClassRef->replaceAllUsesWith(llvm::ConstantExpr::getBitCast(Class, |
2994 | ClassRef->getType())); |
2995 | ClassRef->removeFromParent(); |
2996 | Class->setName(ClassSym); |
2997 | } |
2998 | return Class; |
2999 | } |
3000 | |
3001 | llvm::Constant *CGObjCGNU:: |
3002 | GenerateProtocolMethodList(ArrayRef<const ObjCMethodDecl*> Methods) { |
3003 | |
3004 | llvm::StructType *ObjCMethodDescTy = |
3005 | llvm::StructType::get(CGM.getLLVMContext(), { PtrToInt8Ty, PtrToInt8Ty }); |
3006 | ASTContext &Context = CGM.getContext(); |
3007 | ConstantInitBuilder Builder(CGM); |
3008 | auto MethodList = Builder.beginStruct(); |
3009 | MethodList.addInt(IntTy, Methods.size()); |
3010 | auto MethodArray = MethodList.beginArray(ObjCMethodDescTy); |
3011 | for (auto *M : Methods) { |
3012 | auto Method = MethodArray.beginStruct(ObjCMethodDescTy); |
3013 | Method.add(MakeConstantString(M->getSelector().getAsString())); |
3014 | Method.add(MakeConstantString(Context.getObjCEncodingForMethodDecl(M))); |
3015 | Method.finishAndAddTo(MethodArray); |
3016 | } |
3017 | MethodArray.finishAndAddTo(MethodList); |
3018 | return MethodList.finishAndCreateGlobal(".objc_method_list", |
3019 | CGM.getPointerAlign()); |
3020 | } |
3021 | |
3022 | |
3023 | llvm::Constant * |
3024 | CGObjCGNU::GenerateProtocolList(ArrayRef<std::string> Protocols) { |
3025 | |
3026 | ConstantInitBuilder Builder(CGM); |
3027 | auto ProtocolList = Builder.beginStruct(); |
3028 | ProtocolList.add(NULLPtr); |
3029 | ProtocolList.addInt(LongTy, Protocols.size()); |
3030 | |
3031 | auto Elements = ProtocolList.beginArray(PtrToInt8Ty); |
3032 | for (const std::string *iter = Protocols.begin(), *endIter = Protocols.end(); |
3033 | iter != endIter ; iter++) { |
3034 | llvm::Constant *protocol = nullptr; |
3035 | llvm::StringMap<llvm::Constant*>::iterator value = |
3036 | ExistingProtocols.find(*iter); |
3037 | if (value == ExistingProtocols.end()) { |
3038 | protocol = GenerateEmptyProtocol(*iter); |
3039 | } else { |
3040 | protocol = value->getValue(); |
3041 | } |
3042 | Elements.addBitCast(protocol, PtrToInt8Ty); |
3043 | } |
3044 | Elements.finishAndAddTo(ProtocolList); |
3045 | return ProtocolList.finishAndCreateGlobal(".objc_protocol_list", |
3046 | CGM.getPointerAlign()); |
3047 | } |
3048 | |
3049 | llvm::Value *CGObjCGNU::GenerateProtocolRef(CodeGenFunction &CGF, |
3050 | const ObjCProtocolDecl *PD) { |
3051 | auto protocol = GenerateProtocolRef(PD); |
3052 | llvm::Type *T = |
3053 | CGM.getTypes().ConvertType(CGM.getContext().getObjCProtoType()); |
3054 | return CGF.Builder.CreateBitCast(protocol, llvm::PointerType::getUnqual(T)); |
3055 | } |
3056 | |
3057 | llvm::Constant *CGObjCGNU::GenerateProtocolRef(const ObjCProtocolDecl *PD) { |
3058 | llvm::Constant *&protocol = ExistingProtocols[PD->getNameAsString()]; |
3059 | if (!protocol) |
3060 | GenerateProtocol(PD); |
3061 | assert(protocol && "Unknown protocol"); |
3062 | return protocol; |
3063 | } |
3064 | |
3065 | llvm::Constant * |
3066 | CGObjCGNU::GenerateEmptyProtocol(StringRef ProtocolName) { |
3067 | llvm::Constant *ProtocolList = GenerateProtocolList({}); |
3068 | llvm::Constant *MethodList = GenerateProtocolMethodList({}); |
3069 | MethodList = llvm::ConstantExpr::getBitCast(MethodList, PtrToInt8Ty); |
3070 | |
3071 | |
3072 | ConstantInitBuilder Builder(CGM); |
3073 | auto Elements = Builder.beginStruct(); |
3074 | |
3075 | |
3076 | |
3077 | Elements.add(llvm::ConstantExpr::getIntToPtr( |
3078 | llvm::ConstantInt::get(Int32Ty, ProtocolVersion), IdTy)); |
3079 | |
3080 | Elements.add(MakeConstantString(ProtocolName, ".objc_protocol_name")); |
3081 | Elements.add(ProtocolList); |
3082 | Elements.add(MethodList); |
3083 | Elements.add(MethodList); |
3084 | Elements.add(MethodList); |
3085 | Elements.add(MethodList); |
3086 | Elements.add(NULLPtr); |
3087 | Elements.add(NULLPtr); |
3088 | return Elements.finishAndCreateGlobal(SymbolForProtocol(ProtocolName), |
3089 | CGM.getPointerAlign()); |
3090 | } |
3091 | |
3092 | void CGObjCGNU::GenerateProtocol(const ObjCProtocolDecl *PD) { |
3093 | if (PD->isNonRuntimeProtocol()) |
3094 | return; |
3095 | |
3096 | std::string ProtocolName = PD->getNameAsString(); |
3097 | |
3098 | |
3099 | if (const ObjCProtocolDecl *Def = PD->getDefinition()) |
3100 | PD = Def; |
3101 | |
3102 | SmallVector<std::string, 16> Protocols; |
3103 | for (const auto *PI : PD->protocols()) |
3104 | Protocols.push_back(PI->getNameAsString()); |
3105 | SmallVector<const ObjCMethodDecl*, 16> InstanceMethods; |
3106 | SmallVector<const ObjCMethodDecl*, 16> OptionalInstanceMethods; |
3107 | for (const auto *I : PD->instance_methods()) |
3108 | if (I->isOptional()) |
3109 | OptionalInstanceMethods.push_back(I); |
3110 | else |
3111 | InstanceMethods.push_back(I); |
3112 | |
3113 | SmallVector<const ObjCMethodDecl*, 16> ClassMethods; |
3114 | SmallVector<const ObjCMethodDecl*, 16> OptionalClassMethods; |
3115 | for (const auto *I : PD->class_methods()) |
3116 | if (I->isOptional()) |
3117 | OptionalClassMethods.push_back(I); |
3118 | else |
3119 | ClassMethods.push_back(I); |
3120 | |
3121 | llvm::Constant *ProtocolList = GenerateProtocolList(Protocols); |
3122 | llvm::Constant *InstanceMethodList = |
3123 | GenerateProtocolMethodList(InstanceMethods); |
3124 | llvm::Constant *ClassMethodList = |
3125 | GenerateProtocolMethodList(ClassMethods); |
3126 | llvm::Constant *OptionalInstanceMethodList = |
3127 | GenerateProtocolMethodList(OptionalInstanceMethods); |
3128 | llvm::Constant *OptionalClassMethodList = |
3129 | GenerateProtocolMethodList(OptionalClassMethods); |
3130 | |
3131 | |
3132 | |
3133 | |
3134 | |
3135 | |
3136 | |
3137 | llvm::Constant *PropertyList = |
3138 | GeneratePropertyList(nullptr, PD, false, false); |
3139 | llvm::Constant *OptionalPropertyList = |
3140 | GeneratePropertyList(nullptr, PD, false, true); |
3141 | |
3142 | |
3143 | |
3144 | |
3145 | |
3146 | ConstantInitBuilder Builder(CGM); |
3147 | auto Elements = Builder.beginStruct(); |
3148 | Elements.add( |
3149 | llvm::ConstantExpr::getIntToPtr( |
3150 | llvm::ConstantInt::get(Int32Ty, ProtocolVersion), IdTy)); |
3151 | Elements.add(MakeConstantString(ProtocolName)); |
3152 | Elements.add(ProtocolList); |
3153 | Elements.add(InstanceMethodList); |
3154 | Elements.add(ClassMethodList); |
3155 | Elements.add(OptionalInstanceMethodList); |
3156 | Elements.add(OptionalClassMethodList); |
3157 | Elements.add(PropertyList); |
3158 | Elements.add(OptionalPropertyList); |
3159 | ExistingProtocols[ProtocolName] = |
3160 | llvm::ConstantExpr::getBitCast( |
3161 | Elements.finishAndCreateGlobal(".objc_protocol", CGM.getPointerAlign()), |
3162 | IdTy); |
3163 | } |
3164 | void CGObjCGNU::GenerateProtocolHolderCategory() { |
3165 | |
3166 | |
3167 | ConstantInitBuilder Builder(CGM); |
3168 | auto Elements = Builder.beginStruct(); |
3169 | |
3170 | const std::string ClassName = "__ObjC_Protocol_Holder_Ugly_Hack"; |
3171 | const std::string CategoryName = "AnotherHack"; |
3172 | Elements.add(MakeConstantString(CategoryName)); |
3173 | Elements.add(MakeConstantString(ClassName)); |
3174 | |
3175 | Elements.addBitCast(GenerateMethodList( |
3176 | ClassName, CategoryName, {}, false), PtrTy); |
3177 | |
3178 | Elements.addBitCast(GenerateMethodList( |
3179 | ClassName, CategoryName, {}, true), PtrTy); |
3180 | |
3181 | |
3182 | ConstantInitBuilder ProtocolListBuilder(CGM); |
3183 | auto ProtocolList = ProtocolListBuilder.beginStruct(); |
3184 | ProtocolList.add(NULLPtr); |
3185 | ProtocolList.addInt(LongTy, ExistingProtocols.size()); |
3186 | auto ProtocolElements = ProtocolList.beginArray(PtrTy); |
3187 | for (auto iter = ExistingProtocols.begin(), endIter = ExistingProtocols.end(); |
3188 | iter != endIter ; iter++) { |
3189 | ProtocolElements.addBitCast(iter->getValue(), PtrTy); |
3190 | } |
3191 | ProtocolElements.finishAndAddTo(ProtocolList); |
3192 | Elements.addBitCast( |
3193 | ProtocolList.finishAndCreateGlobal(".objc_protocol_list", |
3194 | CGM.getPointerAlign()), |
3195 | PtrTy); |
3196 | Categories.push_back(llvm::ConstantExpr::getBitCast( |
3197 | Elements.finishAndCreateGlobal("", CGM.getPointerAlign()), |
3198 | PtrTy)); |
3199 | } |
3200 | |
3201 | |
3202 | |
3203 | |
3204 | |
3205 | |
3206 | |
3207 | |
3208 | |
3209 | |
3210 | |
3211 | |
3212 | llvm::Constant *CGObjCGNU::MakeBitField(ArrayRef<bool> bits) { |
3213 | int bitCount = bits.size(); |
3214 | int ptrBits = CGM.getDataLayout().getPointerSizeInBits(); |
3215 | if (bitCount < ptrBits) { |
3216 | uint64_t val = 1; |
3217 | for (int i=0 ; i<bitCount ; ++i) { |
3218 | if (bits[i]) val |= 1ULL<<(i+1); |
3219 | } |
3220 | return llvm::ConstantInt::get(IntPtrTy, val); |
3221 | } |
3222 | SmallVector<llvm::Constant *, 8> values; |
3223 | int v=0; |
3224 | while (v < bitCount) { |
3225 | int32_t word = 0; |
3226 | for (int i=0 ; (i<32) && (v<bitCount) ; ++i) { |
3227 | if (bits[v]) word |= 1<<i; |
3228 | v++; |
3229 | } |
3230 | values.push_back(llvm::ConstantInt::get(Int32Ty, word)); |
3231 | } |
3232 | |
3233 | ConstantInitBuilder builder(CGM); |
3234 | auto fields = builder.beginStruct(); |
3235 | fields.addInt(Int32Ty, values.size()); |
3236 | auto array = fields.beginArray(); |
3237 | for (auto v : values) array.add(v); |
3238 | array.finishAndAddTo(fields); |
3239 | |
3240 | llvm::Constant *GS = |
3241 | fields.finishAndCreateGlobal("", CharUnits::fromQuantity(4)); |
3242 | llvm::Constant *ptr = llvm::ConstantExpr::getPtrToInt(GS, IntPtrTy); |
3243 | return ptr; |
3244 | } |
3245 | |
3246 | llvm::Constant *CGObjCGNU::GenerateCategoryProtocolList(const |
3247 | ObjCCategoryDecl *OCD) { |
3248 | const auto &RefPro = OCD->getReferencedProtocols(); |
3249 | const auto RuntimeProtos = |
3250 | GetRuntimeProtocolList(RefPro.begin(), RefPro.end()); |
3251 | SmallVector<std::string, 16> Protocols; |
3252 | for (const auto *PD : RuntimeProtos) |
3253 | Protocols.push_back(PD->getNameAsString()); |
3254 | return GenerateProtocolList(Protocols); |
3255 | } |
3256 | |
3257 | void CGObjCGNU::GenerateCategory(const ObjCCategoryImplDecl *OCD) { |
3258 | const ObjCInterfaceDecl *Class = OCD->getClassInterface(); |
3259 | std::string ClassName = Class->getNameAsString(); |
3260 | std::string CategoryName = OCD->getNameAsString(); |
3261 | |
3262 | |
3263 | const ObjCCategoryDecl *CatDecl = OCD->getCategoryDecl(); |
3264 | |
3265 | ConstantInitBuilder Builder(CGM); |
3266 | auto Elements = Builder.beginStruct(); |
3267 | Elements.add(MakeConstantString(CategoryName)); |
3268 | Elements.add(MakeConstantString(ClassName)); |
3269 | |
3270 | SmallVector<ObjCMethodDecl*, 16> InstanceMethods; |
3271 | InstanceMethods.insert(InstanceMethods.begin(), OCD->instmeth_begin(), |
3272 | OCD->instmeth_end()); |
3273 | Elements.addBitCast( |
3274 | GenerateMethodList(ClassName, CategoryName, InstanceMethods, false), |
3275 | PtrTy); |
3276 | |
3277 | |
3278 | SmallVector<ObjCMethodDecl*, 16> ClassMethods; |
3279 | ClassMethods.insert(ClassMethods.begin(), OCD->classmeth_begin(), |
3280 | OCD->classmeth_end()); |
3281 | Elements.addBitCast( |
3282 | GenerateMethodList(ClassName, CategoryName, ClassMethods, true), |
3283 | PtrTy); |
3284 | |
3285 | Elements.addBitCast(GenerateCategoryProtocolList(CatDecl), PtrTy); |
3286 | if (isRuntime(ObjCRuntime::GNUstep, 2)) { |
3287 | const ObjCCategoryDecl *Category = |
3288 | Class->FindCategoryDeclaration(OCD->getIdentifier()); |
3289 | if (Category) { |
3290 | |
3291 | Elements.addBitCast(GeneratePropertyList(OCD, Category, false), PtrTy); |
3292 | |
3293 | Elements.addBitCast(GeneratePropertyList(OCD, Category, true), PtrTy); |
3294 | } else { |
3295 | Elements.addNullPointer(PtrTy); |
3296 | Elements.addNullPointer(PtrTy); |
3297 | } |
3298 | } |
3299 | |
3300 | Categories.push_back(llvm::ConstantExpr::getBitCast( |
3301 | Elements.finishAndCreateGlobal( |
3302 | std::string(".objc_category_")+ClassName+CategoryName, |
3303 | CGM.getPointerAlign()), |
3304 | PtrTy)); |
3305 | } |
3306 | |
3307 | llvm::Constant *CGObjCGNU::GeneratePropertyList(const Decl *Container, |
3308 | const ObjCContainerDecl *OCD, |
3309 | bool isClassProperty, |
3310 | bool protocolOptionalProperties) { |
3311 | |
3312 | SmallVector<const ObjCPropertyDecl *, 16> Properties; |
3313 | llvm::SmallPtrSet<const IdentifierInfo*, 16> PropertySet; |
3314 | bool isProtocol = isa<ObjCProtocolDecl>(OCD); |
3315 | ASTContext &Context = CGM.getContext(); |
3316 | |
3317 | std::function<void(const ObjCProtocolDecl *Proto)> collectProtocolProperties |
3318 | = [&](const ObjCProtocolDecl *Proto) { |
3319 | for (const auto *P : Proto->protocols()) |
3320 | collectProtocolProperties(P); |
3321 | for (const auto *PD : Proto->properties()) { |
3322 | if (isClassProperty != PD->isClassProperty()) |
3323 | continue; |
3324 | |
3325 | |
3326 | if (!isProtocol && !Context.getObjCPropertyImplDeclForPropertyDecl(PD, Container)) |
3327 | continue; |
3328 | if (!PropertySet.insert(PD->getIdentifier()).second) |
3329 | continue; |
3330 | Properties.push_back(PD); |
3331 | } |
3332 | }; |
3333 | |
3334 | if (const ObjCInterfaceDecl *OID = dyn_cast<ObjCInterfaceDecl>(OCD)) |
3335 | for (const ObjCCategoryDecl *ClassExt : OID->known_extensions()) |
3336 | for (auto *PD : ClassExt->properties()) { |
3337 | if (isClassProperty != PD->isClassProperty()) |
3338 | continue; |
3339 | PropertySet.insert(PD->getIdentifier()); |
3340 | Properties.push_back(PD); |
3341 | } |
3342 | |
3343 | for (const auto *PD : OCD->properties()) { |
3344 | if (isClassProperty != PD->isClassProperty()) |
3345 | continue; |
3346 | |
3347 | |
3348 | if (isProtocol && (protocolOptionalProperties != PD->isOptional())) |
3349 | continue; |
3350 | |
3351 | |
3352 | if (!PropertySet.insert(PD->getIdentifier()).second) |
3353 | continue; |
3354 | |
3355 | Properties.push_back(PD); |
3356 | } |
3357 | |
3358 | if (const ObjCInterfaceDecl *OID = dyn_cast<ObjCInterfaceDecl>(OCD)) |
3359 | for (const auto *P : OID->all_referenced_protocols()) |
3360 | collectProtocolProperties(P); |
3361 | else if (const ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(OCD)) |
3362 | for (const auto *P : CD->protocols()) |
3363 | collectProtocolProperties(P); |
3364 | |
3365 | auto numProperties = Properties.size(); |
3366 | |
3367 | if (numProperties == 0) |
3368 | return NULLPtr; |
3369 | |
3370 | ConstantInitBuilder builder(CGM); |
3371 | auto propertyList = builder.beginStruct(); |
3372 | auto properties = PushPropertyListHeader(propertyList, numProperties); |
3373 | |
3374 | |
3375 | |
3376 | for (auto *property : Properties) { |
3377 | bool isSynthesized = false; |
3378 | bool isDynamic = false; |
3379 | if (!isProtocol) { |
3380 | auto *propertyImpl = Context.getObjCPropertyImplDeclForPropertyDecl(property, Container); |
3381 | if (propertyImpl) { |
3382 | isSynthesized = (propertyImpl->getPropertyImplementation() == |
3383 | ObjCPropertyImplDecl::Synthesize); |
3384 | isDynamic = (propertyImpl->getPropertyImplementation() == |
3385 | ObjCPropertyImplDecl::Dynamic); |
3386 | } |
3387 | } |
3388 | PushProperty(properties, property, Container, isSynthesized, isDynamic); |
3389 | } |
3390 | properties.finishAndAddTo(propertyList); |
3391 | |
3392 | return propertyList.finishAndCreateGlobal(".objc_property_list", |
3393 | CGM.getPointerAlign()); |
3394 | } |
3395 | |
3396 | void CGObjCGNU::RegisterAlias(const ObjCCompatibleAliasDecl *OAD) { |
3397 | |
3398 | ObjCInterfaceDecl *ClassDecl = |
3399 | const_cast<ObjCInterfaceDecl *>(OAD->getClassInterface()); |
3400 | ClassAliases.emplace_back(ClassDecl->getNameAsString(), |
3401 | OAD->getNameAsString()); |
3402 | } |
3403 | |
3404 | void CGObjCGNU::GenerateClass(const ObjCImplementationDecl *OID) { |
3405 | ASTContext &Context = CGM.getContext(); |
3406 | |
3407 | |
3408 | const ObjCInterfaceDecl * SuperClassDecl = |
3409 | OID->getClassInterface()->getSuperClass(); |
3410 | std::string SuperClassName; |
3411 | if (SuperClassDecl) { |
3412 | SuperClassName = SuperClassDecl->getNameAsString(); |
3413 | EmitClassRef(SuperClassName); |
3414 | } |
3415 | |
3416 | |
3417 | ObjCInterfaceDecl *ClassDecl = |
3418 | const_cast<ObjCInterfaceDecl *>(OID->getClassInterface()); |
3419 | std::string ClassName = ClassDecl->getNameAsString(); |
3420 | |
3421 | |
3422 | |
3423 | std::string classSymbolName = "__objc_class_name_" + ClassName; |
3424 | if (auto *symbol = TheModule.getGlobalVariable(classSymbolName)) { |
3425 | symbol->setInitializer(llvm::ConstantInt::get(LongTy, 0)); |
3426 | } else { |
3427 | new llvm::GlobalVariable(TheModule, LongTy, false, |
3428 | llvm::GlobalValue::ExternalLinkage, |
3429 | llvm::ConstantInt::get(LongTy, 0), |
3430 | classSymbolName); |
3431 | } |
3432 | |
3433 | |
3434 | int instanceSize = |
3435 | Context.getASTObjCImplementationLayout(OID).getSize().getQuantity(); |
3436 | |
3437 | |
3438 | SmallVector<llvm::Constant*, 16> IvarNames; |
3439 | SmallVector<llvm::Constant*, 16> IvarTypes; |
3440 | SmallVector<llvm::Constant*, 16> IvarOffsets; |
3441 | SmallVector<llvm::Constant*, 16> IvarAligns; |
3442 | SmallVector<Qualifiers::ObjCLifetime, 16> IvarOwnership; |
3443 | |
3444 | ConstantInitBuilder IvarOffsetBuilder(CGM); |
3445 | auto IvarOffsetValues = IvarOffsetBuilder.beginArray(PtrToIntTy); |
3446 | SmallVector<bool, 16> WeakIvars; |
3447 | SmallVector<bool, 16> StrongIvars; |
3448 | |
3449 | int superInstanceSize = !SuperClassDecl ? 0 : |
3450 | Context.getASTObjCInterfaceLayout(SuperClassDecl).getSize().getQuantity(); |
3451 | |
3452 | |
3453 | if (CGM.getLangOpts().ObjCRuntime.isNonFragile()) { |
3454 | instanceSize = 0 - (instanceSize - superInstanceSize); |
3455 | } |
3456 | |
3457 | for (const ObjCIvarDecl *IVD = ClassDecl->all_declared_ivar_begin(); IVD; |
3458 | IVD = IVD->getNextIvar()) { |
3459 | |
3460 | IvarNames.push_back(MakeConstantString(IVD->getNameAsString())); |
3461 | |
3462 | std::string TypeStr; |
3463 | Context.getObjCEncodingForType(IVD->getType(), TypeStr, IVD); |
3464 | IvarTypes.push_back(MakeConstantString(TypeStr)); |
3465 | IvarAligns.push_back(llvm::ConstantInt::get(IntTy, |
3466 | Context.getTypeSize(IVD->getType()))); |
3467 | |
3468 | uint64_t BaseOffset = ComputeIvarBaseOffset(CGM, OID, IVD); |
3469 | uint64_t Offset = BaseOffset; |
3470 | if (CGM.getLangOpts().ObjCRuntime.isNonFragile()) { |
3471 | Offset = BaseOffset - superInstanceSize; |
3472 | } |
3473 | llvm::Constant *OffsetValue = llvm::ConstantInt::get(IntTy, Offset); |
3474 | |
3475 | std::string OffsetName = "__objc_ivar_offset_value_" + ClassName +"." + |
3476 | IVD->getNameAsString(); |
3477 | |
3478 | llvm::GlobalVariable *OffsetVar = TheModule.getGlobalVariable(OffsetName); |
3479 | if (OffsetVar) { |
3480 | OffsetVar->setInitializer(OffsetValue); |
3481 | |
3482 | |
3483 | |
3484 | OffsetVar->setLinkage(llvm::GlobalValue::ExternalLinkage); |
3485 | } else |
3486 | OffsetVar = new llvm::GlobalVariable(TheModule, Int32Ty, |
3487 | false, llvm::GlobalValue::ExternalLinkage, |
3488 | OffsetValue, OffsetName); |
3489 | IvarOffsets.push_back(OffsetValue); |
3490 | IvarOffsetValues.add(OffsetVar); |
3491 | Qualifiers::ObjCLifetime lt = IVD->getType().getQualifiers().getObjCLifetime(); |
3492 | IvarOwnership.push_back(lt); |
3493 | switch (lt) { |
3494 | case Qualifiers::OCL_Strong: |
3495 | StrongIvars.push_back(true); |
3496 | WeakIvars.push_back(false); |
3497 | break; |
3498 | case Qualifiers::OCL_Weak: |
3499 | StrongIvars.push_back(false); |
3500 | WeakIvars.push_back(true); |
3501 | break; |
3502 | default: |
3503 | StrongIvars.push_back(false); |
3504 | WeakIvars.push_back(false); |
3505 | } |
3506 | } |
3507 | llvm::Constant *StrongIvarBitmap = MakeBitField(StrongIvars); |
3508 | llvm::Constant *WeakIvarBitmap = MakeBitField(WeakIvars); |
3509 | llvm::GlobalVariable *IvarOffsetArray = |
3510 | IvarOffsetValues.finishAndCreateGlobal(".ivar.offsets", |
3511 | CGM.getPointerAlign()); |
3512 | |
3513 | |
3514 | SmallVector<const ObjCMethodDecl*, 16> InstanceMethods; |
3515 | InstanceMethods.insert(InstanceMethods.begin(), OID->instmeth_begin(), |
3516 | OID->instmeth_end()); |
3517 | |
3518 | SmallVector<const ObjCMethodDecl*, 16> ClassMethods; |
3519 | ClassMethods.insert(ClassMethods.begin(), OID->classmeth_begin(), |
3520 | OID->classmeth_end()); |
3521 | |
3522 | llvm::Constant *Properties = GeneratePropertyList(OID, ClassDecl); |
3523 | |
3524 | |
3525 | auto RefProtocols = ClassDecl->protocols(); |
3526 | auto RuntimeProtocols = |
3527 | GetRuntimeProtocolList(RefProtocols.begin(), RefProtocols.end()); |
3528 | SmallVector<std::string, 16> Protocols; |
3529 | for (const auto *I : RuntimeProtocols) |
3530 | Protocols.push_back(I->getNameAsString()); |
3531 | |
3532 | |
3533 | llvm::Constant *SuperClass; |
3534 | if (!SuperClassName.empty()) { |
3535 | SuperClass = MakeConstantString(SuperClassName, ".super_class_name"); |
3536 | } else { |
3537 | SuperClass = llvm::ConstantPointerNull::get(PtrToInt8Ty); |
3538 | } |
3539 | |
3540 | SmallVector<llvm::Constant*, 1> empty; |
3541 | |
3542 | llvm::Constant *MethodList = GenerateMethodList(ClassName, "", |
3543 | InstanceMethods, false); |
3544 | llvm::Constant *ClassMethodList = GenerateMethodList(ClassName, "", |
3545 | ClassMethods, true); |
3546 | llvm::Constant *IvarList = GenerateIvarList(IvarNames, IvarTypes, |
3547 | IvarOffsets, IvarAligns, IvarOwnership); |
3548 | |
3549 | |
3550 | |
3551 | |
3552 | |
3553 | |
3554 | |
3555 | |
3556 | |
3557 | |
3558 | llvm::Type *IndexTy = Int32Ty; |
3559 | llvm::Constant *offsetPointerIndexes[] = {Zeros[0], |
3560 | llvm::ConstantInt::get(IndexTy, ClassABIVersion > 1 ? 2 : 1), nullptr, |
3561 | llvm::ConstantInt::get(IndexTy, ClassABIVersion > 1 ? 3 : 2) }; |
3562 | |
3563 | unsigned ivarIndex = 0; |
3564 | for (const ObjCIvarDecl *IVD = ClassDecl->all_declared_ivar_begin(); IVD; |
3565 | IVD = IVD->getNextIvar()) { |
3566 | const std::string Name = GetIVarOffsetVariableName(ClassDecl, IVD); |
3567 | offsetPointerIndexes[2] = llvm::ConstantInt::get(IndexTy, ivarIndex); |
3568 | |
3569 | llvm::Constant *offsetValue = llvm::ConstantExpr::getGetElementPtr( |
3570 | cast<llvm::GlobalVariable>(IvarList)->getValueType(), IvarList, |
3571 | offsetPointerIndexes); |
3572 | |
3573 | llvm::GlobalVariable *offset = TheModule.getNamedGlobal(Name); |
3574 | if (offset) { |
3575 | offset->setInitializer(offsetValue); |
3576 | |
3577 | |
3578 | |
3579 | offset->setLinkage(llvm::GlobalValue::ExternalLinkage); |
3580 | } else |
3581 | |
3582 | new llvm::GlobalVariable(TheModule, offsetValue->getType(), |
3583 | false, llvm::GlobalValue::ExternalLinkage, offsetValue, Name); |
3584 | ++ivarIndex; |
3585 | } |
3586 | llvm::Constant *ZeroPtr = llvm::ConstantInt::get(IntPtrTy, 0); |
3587 | |
3588 | |
3589 | llvm::Constant *MetaClassStruct = GenerateClassStructure( |
3590 | NULLPtr, NULLPtr, 0x12L, ClassName.c_str(), nullptr, Zeros[0], |
3591 | NULLPtr, ClassMethodList, NULLPtr, NULLPtr, |
3592 | GeneratePropertyList(OID, ClassDecl, true), ZeroPtr, ZeroPtr, true); |
3593 | CGM.setGVProperties(cast<llvm::GlobalValue>(MetaClassStruct), |
3594 | OID->getClassInterface()); |
3595 | |
3596 | |
3597 | llvm::Constant *ClassStruct = GenerateClassStructure( |
3598 | MetaClassStruct, SuperClass, 0x11L, ClassName.c_str(), nullptr, |
3599 | llvm::ConstantInt::get(LongTy, instanceSize), IvarList, MethodList, |
3600 | GenerateProtocolList(Protocols), IvarOffsetArray, Properties, |
3601 | StrongIvarBitmap, WeakIvarBitmap); |
3602 | CGM.setGVProperties(cast<llvm::GlobalValue>(ClassStruct), |
3603 | OID->getClassInterface()); |
3604 | |
3605 | |
3606 | if (ClassPtrAlias) { |
3607 | ClassPtrAlias->replaceAllUsesWith( |
3608 | llvm::ConstantExpr::getBitCast(ClassStruct, IdTy)); |
3609 | ClassPtrAlias->eraseFromParent(); |
3610 | ClassPtrAlias = nullptr; |
3611 | } |
3612 | if (MetaClassPtrAlias) { |
3613 | MetaClassPtrAlias->replaceAllUsesWith( |
3614 | llvm::ConstantExpr::getBitCast(MetaClassStruct, IdTy)); |
3615 | MetaClassPtrAlias->eraseFromParent(); |
3616 | MetaClassPtrAlias = nullptr; |
3617 | } |
3618 | |
3619 | |
3620 | ClassStruct = llvm::ConstantExpr::getBitCast(ClassStruct, PtrToInt8Ty); |
3621 | Classes.push_back(ClassStruct); |
3622 | } |
3623 | |
3624 | llvm::Function *CGObjCGNU::ModuleInitFunction() { |
3625 | |
3626 | if (Classes.empty() && Categories.empty() && ConstantStrings.empty() && |
3627 | ExistingProtocols.empty() && SelectorTable.empty()) |
3628 | return nullptr; |
3629 | |
3630 | |
3631 | GenerateProtocolHolderCategory(); |
3632 | |
3633 | llvm::StructType *selStructTy = |
3634 | dyn_cast<llvm::StructType>(SelectorTy->getElementType()); |
3635 | llvm::Type *selStructPtrTy = SelectorTy; |
3636 | if (!selStructTy) { |
3637 | selStructTy = llvm::StructType::get(CGM.getLLVMContext(), |
3638 | { PtrToInt8Ty, PtrToInt8Ty }); |
3639 | selStructPtrTy = llvm::PointerType::getUnqual(selStructTy); |
3640 | } |
3641 | |
3642 | |
3643 | llvm::Constant *statics = NULLPtr; |
3644 | if (!ConstantStrings.empty()) { |
3645 | llvm::GlobalVariable *fileStatics = [&] { |
3646 | ConstantInitBuilder builder(CGM); |
3647 | auto staticsStruct = builder.beginStruct(); |
3648 | |
3649 | StringRef stringClass = CGM.getLangOpts().ObjCConstantStringClass; |
3650 | if (stringClass.empty()) stringClass = "NXConstantString"; |
3651 | staticsStruct.add(MakeConstantString(stringClass, |
3652 | ".objc_static_class_name")); |
3653 | |
3654 | auto array = staticsStruct.beginArray(); |
3655 | array.addAll(ConstantStrings); |
3656 | array.add(NULLPtr); |
3657 | array.finishAndAddTo(staticsStruct); |
3658 | |
3659 | return staticsStruct.finishAndCreateGlobal(".objc_statics", |
3660 | CGM.getPointerAlign()); |
3661 | }(); |
3662 | |
3663 | ConstantInitBuilder builder(CGM); |
3664 | auto allStaticsArray = builder.beginArray(fileStatics->getType()); |
3665 | allStaticsArray.add(fileStatics); |
3666 | allStaticsArray.addNullPointer(fileStatics->getType()); |
3667 | |
3668 | statics = allStaticsArray.finishAndCreateGlobal(".objc_statics_ptr", |
3669 | CGM.getPointerAlign()); |
3670 | statics = llvm::ConstantExpr::getBitCast(statics, PtrTy); |
3671 | } |
3672 | |
3673 | |
3674 | |
3675 | SmallVector<llvm::GlobalAlias*, 16> selectorAliases; |
3676 | unsigned selectorCount; |
3677 | |
3678 | |
3679 | llvm::GlobalVariable *selectorList = [&] { |
3680 | ConstantInitBuilder builder(CGM); |
3681 | auto selectors = builder.beginArray(selStructTy); |
3682 | auto &table = SelectorTable; |
3683 | std::vector<Selector> allSelectors; |
3684 | for (auto &entry : table) |
3685 | allSelectors.push_back(entry.first); |
3686 | llvm::sort(allSelectors); |
3687 | |
3688 | for (auto &untypedSel : allSelectors) { |
3689 | std::string selNameStr = untypedSel.getAsString(); |
3690 | llvm::Constant *selName = ExportUniqueString(selNameStr, ".objc_sel_name"); |
3691 | |
3692 | for (TypedSelector &sel : table[untypedSel]) { |
3693 | llvm::Constant *selectorTypeEncoding = NULLPtr; |
3694 | if (!sel.first.empty()) |
3695 | selectorTypeEncoding = |
3696 | MakeConstantString(sel.first, ".objc_sel_types"); |
3697 | |
3698 | auto selStruct = selectors.beginStruct(selStructTy); |
3699 | selStruct.add(selName); |
3700 | selStruct.add(selectorTypeEncoding); |
3701 | selStruct.finishAndAddTo(selectors); |
3702 | |
3703 | |
3704 | selectorAliases.push_back(sel.second); |
3705 | } |
3706 | } |
3707 | |
3708 | |
3709 | selectorCount = selectors.size(); |
3710 | |
3711 | |
3712 | |
3713 | |
3714 | |
3715 | auto selStruct = selectors.beginStruct(selStructTy); |
3716 | selStruct.add(NULLPtr); |
3717 | selStruct.add(NULLPtr); |
3718 | selStruct.finishAndAddTo(selectors); |
3719 | |
3720 | return selectors.finishAndCreateGlobal(".objc_selector_list", |
3721 | CGM.getPointerAlign()); |
3722 | }(); |
3723 | |
3724 | |
3725 | for (unsigned i = 0; i < selectorCount; ++i) { |
3726 | llvm::Constant *idxs[] = { |
3727 | Zeros[0], |
3728 | llvm::ConstantInt::get(Int32Ty, i) |
3729 | }; |
3730 | |
3731 | llvm::Constant *selPtr = llvm::ConstantExpr::getGetElementPtr( |
3732 | selectorList->getValueType(), selectorList, idxs); |
3733 | |
3734 | |
3735 | selPtr = llvm::ConstantExpr::getBitCast(selPtr, SelectorTy); |
3736 | selectorAliases[i]->replaceAllUsesWith(selPtr); |
3737 | selectorAliases[i]->eraseFromParent(); |
3738 | } |
3739 | |
3740 | llvm::GlobalVariable *symtab = [&] { |
3741 | ConstantInitBuilder builder(CGM); |
3742 | auto symtab = builder.beginStruct(); |
3743 | |
3744 | |
3745 | symtab.addInt(LongTy, selectorCount); |
3746 | |
3747 | symtab.addBitCast(selectorList, selStructPtrTy); |
3748 | |
3749 | |
3750 | symtab.addInt(CGM.Int16Ty, Classes.size()); |
3751 | |
3752 | symtab.addInt(CGM.Int16Ty, Categories.size()); |
3753 | |
3754 | |
3755 | auto classList = symtab.beginArray(PtrToInt8Ty); |
3756 | classList.addAll(Classes); |
3757 | classList.addAll(Categories); |
3758 | |
3759 | classList.add(statics); |
3760 | classList.add(NULLPtr); |
3761 | classList.finishAndAddTo(symtab); |
3762 | |
3763 | |
3764 | return symtab.finishAndCreateGlobal("", CGM.getPointerAlign()); |
3765 | }(); |
3766 | |
3767 | |
3768 | |
3769 | llvm::Constant *module = [&] { |
3770 | llvm::Type *moduleEltTys[] = { |
3771 | LongTy, LongTy, PtrToInt8Ty, symtab->getType(), IntTy |
3772 | }; |
3773 | llvm::StructType *moduleTy = |
3774 | llvm::StructType::get(CGM.getLLVMContext(), |
3775 | makeArrayRef(moduleEltTys).drop_back(unsigned(RuntimeVersion < 10))); |
3776 | |
3777 | ConstantInitBuilder builder(CGM); |
3778 | auto module = builder.beginStruct(moduleTy); |
3779 | |
3780 | module.addInt(LongTy, RuntimeVersion); |
3781 | |
3782 | module.addInt(LongTy, CGM.getDataLayout().getTypeStoreSize(moduleTy)); |
3783 | |
3784 | |
3785 | SourceManager &SM = CGM.getContext().getSourceManager(); |
3786 | const FileEntry *mainFile = SM.getFileEntryForID(SM.getMainFileID()); |
3787 | std::string path = |
3788 | (Twine(mainFile->getDir()->getName()) + "/" + mainFile->getName()).str(); |
3789 | module.add(MakeConstantString(path, ".objc_source_file_name")); |
3790 | module.add(symtab); |
3791 | |
3792 | if (RuntimeVersion >= 10) { |
3793 | switch (CGM.getLangOpts().getGC()) { |
3794 | case LangOptions::GCOnly: |
3795 | module.addInt(IntTy, 2); |
3796 | break; |
3797 | case LangOptions::NonGC: |
3798 | if (CGM.getLangOpts().ObjCAutoRefCount) |
3799 | module.addInt(IntTy, 1); |
3800 | else |
3801 | module.addInt(IntTy, 0); |
3802 | break; |
3803 | case LangOptions::HybridGC: |
3804 | module.addInt(IntTy, 1); |
3805 | break; |
3806 | } |
3807 | } |
3808 | |
3809 | return module.finishAndCreateGlobal("", CGM.getPointerAlign()); |
3810 | }(); |
3811 | |
3812 | |
3813 | |
3814 | llvm::Function * LoadFunction = llvm::Function::Create( |
3815 | llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext), false), |
3816 | llvm::GlobalValue::InternalLinkage, ".objc_load_function", |
3817 | &TheModule); |
3818 | llvm::BasicBlock *EntryBB = |
3819 | llvm::BasicBlock::Create(VMContext, "entry", LoadFunction); |
3820 | CGBuilderTy Builder(CGM, VMContext); |
3821 | Builder.SetInsertPoint(EntryBB); |
3822 | |
3823 | llvm::FunctionType *FT = |
3824 | llvm::FunctionType::get(Builder.getVoidTy(), module->getType(), true); |
3825 | llvm::FunctionCallee Register = |
3826 | CGM.CreateRuntimeFunction(FT, "__objc_exec_class"); |
3827 | Builder.CreateCall(Register, module); |
3828 | |
3829 | if (!ClassAliases.empty()) { |
3830 | llvm::Type *ArgTypes[2] = {PtrTy, PtrToInt8Ty}; |
3831 | llvm::FunctionType *RegisterAliasTy = |
3832 | llvm::FunctionType::get(Builder.getVoidTy(), |
3833 | ArgTypes, false); |
3834 | llvm::Function *RegisterAlias = llvm::Function::Create( |
3835 | RegisterAliasTy, |
3836 | llvm::GlobalValue::ExternalWeakLinkage, "class_registerAlias_np", |
3837 | &TheModule); |
3838 | llvm::BasicBlock *AliasBB = |
3839 | llvm::BasicBlock::Create(VMContext, "alias", LoadFunction); |
3840 | llvm::BasicBlock *NoAliasBB = |
3841 | llvm::BasicBlock::Create(VMContext, "no_alias", LoadFunction); |
3842 | |
3843 | |
3844 | llvm::Value *HasRegisterAlias = Builder.CreateICmpNE(RegisterAlias, |
3845 | llvm::Constant::getNullValue(RegisterAlias->getType())); |
3846 | Builder.CreateCondBr(HasRegisterAlias, AliasBB, NoAliasBB); |
3847 | |
3848 | |
3849 | Builder.SetInsertPoint(AliasBB); |
3850 | |
3851 | for (std::vector<ClassAliasPair>::iterator iter = ClassAliases.begin(); |
3852 | iter != ClassAliases.end(); ++iter) { |
3853 | llvm::Constant *TheClass = |
3854 | TheModule.getGlobalVariable("_OBJC_CLASS_" + iter->first, true); |
3855 | if (TheClass) { |
3856 | TheClass = llvm::ConstantExpr::getBitCast(TheClass, PtrTy); |
3857 | Builder.CreateCall(RegisterAlias, |
3858 | {TheClass, MakeConstantString(iter->second)}); |
3859 | } |
3860 | } |
3861 | |
3862 | Builder.CreateBr(NoAliasBB); |
3863 | |
3864 | |
3865 | Builder.SetInsertPoint(NoAliasBB); |
3866 | } |
3867 | Builder.CreateRetVoid(); |
3868 | |
3869 | return LoadFunction; |
3870 | } |
3871 | |
3872 | llvm::Function *CGObjCGNU::GenerateMethod(const ObjCMethodDecl *OMD, |
3873 | const ObjCContainerDecl *CD) { |
3874 | CodeGenTypes &Types = CGM.getTypes(); |
3875 | llvm::FunctionType *MethodTy = |
3876 | Types.GetFunctionType(Types.arrangeObjCMethodDeclaration(OMD)); |
3877 | std::string FunctionName = getSymbolNameForMethod(OMD); |
3878 | |
3879 | llvm::Function *Method |
3880 | = llvm::Function::Create(MethodTy, |
3881 | llvm::GlobalValue::InternalLinkage, |
3882 | FunctionName, |
3883 | &TheModule); |
3884 | return Method; |
3885 | } |
3886 | |
3887 | void CGObjCGNU::GenerateDirectMethodPrologue(CodeGenFunction &CGF, |
3888 | llvm::Function *Fn, |
3889 | const ObjCMethodDecl *OMD, |
3890 | const ObjCContainerDecl *CD) { |
3891 | |
3892 | } |
3893 | |
3894 | llvm::FunctionCallee CGObjCGNU::GetPropertyGetFunction() { |
3895 | return GetPropertyFn; |
3896 | } |
3897 | |
3898 | llvm::FunctionCallee CGObjCGNU::GetPropertySetFunction() { |
3899 | return SetPropertyFn; |
3900 | } |
3901 | |
3902 | llvm::FunctionCallee CGObjCGNU::GetOptimizedPropertySetFunction(bool atomic, |
3903 | bool copy) { |
3904 | return nullptr; |
3905 | } |
3906 | |
3907 | llvm::FunctionCallee CGObjCGNU::GetGetStructFunction() { |
3908 | return GetStructPropertyFn; |
3909 | } |
3910 | |
3911 | llvm::FunctionCallee CGObjCGNU::GetSetStructFunction() { |
3912 | return SetStructPropertyFn; |
3913 | } |
3914 | |
3915 | llvm::FunctionCallee CGObjCGNU::GetCppAtomicObjectGetFunction() { |
3916 | return nullptr; |
3917 | } |
3918 | |
3919 | llvm::FunctionCallee CGObjCGNU::GetCppAtomicObjectSetFunction() { |
3920 | return nullptr; |
3921 | } |
3922 | |
3923 | llvm::FunctionCallee CGObjCGNU::EnumerationMutationFunction() { |
3924 | return EnumerationMutationFn; |
3925 | } |
3926 | |
3927 | void CGObjCGNU::EmitSynchronizedStmt(CodeGenFunction &CGF, |
3928 | const ObjCAtSynchronizedStmt &S) { |
3929 | EmitAtSynchronizedStmt(CGF, S, SyncEnterFn, SyncExitFn); |
3930 | } |
3931 | |
3932 | |
3933 | void CGObjCGNU::EmitTryStmt(CodeGenFunction &CGF, |
3934 | const ObjCAtTryStmt &S) { |
3935 | |
3936 | |
3937 | |
3938 | |
3939 | |
3940 | |
3941 | |
3942 | |
3943 | |
3944 | |
3945 | |
3946 | EmitTryCatchStmt(CGF, S, EnterCatchFn, ExitCatchFn, ExceptionReThrowFn); |
3947 | } |
3948 | |
3949 | void CGObjCGNU::EmitThrowStmt(CodeGenFunction &CGF, |
3950 | const ObjCAtThrowStmt &S, |
3951 | bool ClearInsertionPoint) { |
3952 | llvm::Value *ExceptionAsObject; |
3953 | bool isRethrow = false; |
3954 | |
3955 | if (const Expr *ThrowExpr = S.getThrowExpr()) { |
3956 | llvm::Value *Exception = CGF.EmitObjCThrowOperand(ThrowExpr); |
3957 | ExceptionAsObject = Exception; |
3958 | } else { |
3959 | assert((!CGF.ObjCEHValueStack.empty() && CGF.ObjCEHValueStack.back()) && |
3960 | "Unexpected rethrow outside @catch block."); |
3961 | ExceptionAsObject = CGF.ObjCEHValueStack.back(); |
3962 | isRethrow = true; |
3963 | } |
3964 | if (isRethrow && usesSEHExceptions) { |
3965 | |
3966 | |
3967 | |
3968 | |
3969 | |
3970 | |
3971 | |
3972 | llvm::CallBase *Throw = CGF.EmitRuntimeCallOrInvoke(ExceptionReThrowFn); |
3973 | Throw->setDoesNotReturn(); |
3974 | } |
3975 | else { |
3976 | ExceptionAsObject = CGF.Builder.CreateBitCast(ExceptionAsObject, IdTy); |
3977 | llvm::CallBase *Throw = |
3978 | CGF.EmitRuntimeCallOrInvoke(ExceptionThrowFn, ExceptionAsObject); |
3979 | Throw->setDoesNotReturn(); |
3980 | } |
3981 | CGF.Builder.CreateUnreachable(); |
3982 | if (ClearInsertionPoint) |
3983 | CGF.Builder.ClearInsertionPoint(); |
3984 | } |
3985 | |
3986 | llvm::Value * CGObjCGNU::EmitObjCWeakRead(CodeGenFunction &CGF, |
3987 | Address AddrWeakObj) { |
3988 | CGBuilderTy &B = CGF.Builder; |
3989 | AddrWeakObj = EnforceType(B, AddrWeakObj, PtrToIdTy); |
3990 | return B.CreateCall(WeakReadFn, AddrWeakObj.getPointer()); |
3991 | } |
3992 | |
3993 | void CGObjCGNU::EmitObjCWeakAssign(CodeGenFunction &CGF, |
3994 | llvm::Value *src, Address dst) { |
3995 | CGBuilderTy &B = CGF.Builder; |
3996 | src = EnforceType(B, src, IdTy); |
3997 | dst = EnforceType(B, dst, PtrToIdTy); |
3998 | B.CreateCall(WeakAssignFn, {src, dst.getPointer()}); |
3999 | } |
4000 | |
4001 | void CGObjCGNU::EmitObjCGlobalAssign(CodeGenFunction &CGF, |
4002 | llvm::Value *src, Address dst, |
4003 | bool threadlocal) { |
4004 | CGBuilderTy &B = CGF.Builder; |
4005 | src = EnforceType(B, src, IdTy); |
4006 | dst = EnforceType(B, dst, PtrToIdTy); |
4007 | |
4008 | assert(!threadlocal && "EmitObjCGlobalAssign - Threal Local API NYI"); |
4009 | B.CreateCall(GlobalAssignFn, {src, dst.getPointer()}); |
4010 | } |
4011 | |
4012 | void CGObjCGNU::EmitObjCIvarAssign(CodeGenFunction &CGF, |
4013 | llvm::Value *src, Address dst, |
4014 | llvm::Value *ivarOffset) { |
4015 | CGBuilderTy &B = CGF.Builder; |
4016 | src = EnforceType(B, src, IdTy); |
4017 | dst = EnforceType(B, dst, IdTy); |
4018 | B.CreateCall(IvarAssignFn, {src, dst.getPointer(), ivarOffset}); |
4019 | } |
4020 | |
4021 | void CGObjCGNU::EmitObjCStrongCastAssign(CodeGenFunction &CGF, |
4022 | llvm::Value *src, Address dst) { |
4023 | CGBuilderTy &B = CGF.Builder; |
4024 | src = EnforceType(B, src, IdTy); |
4025 | dst = EnforceType(B, dst, PtrToIdTy); |
4026 | B.CreateCall(StrongCastAssignFn, {src, dst.getPointer()}); |
4027 | } |
4028 | |
4029 | void CGObjCGNU::EmitGCMemmoveCollectable(CodeGenFunction &CGF, |
4030 | Address DestPtr, |
4031 | Address SrcPtr, |
4032 | llvm::Value *Size) { |
4033 | CGBuilderTy &B = CGF.Builder; |
4034 | DestPtr = EnforceType(B, DestPtr, PtrTy); |
4035 | SrcPtr = EnforceType(B, SrcPtr, PtrTy); |
4036 | |
4037 | B.CreateCall(MemMoveFn, {DestPtr.getPointer(), SrcPtr.getPointer(), Size}); |
4038 | } |
4039 | |
4040 | llvm::GlobalVariable *CGObjCGNU::ObjCIvarOffsetVariable( |
4041 | const ObjCInterfaceDecl *ID, |
4042 | const ObjCIvarDecl *Ivar) { |
4043 | const std::string Name = GetIVarOffsetVariableName(ID, Ivar); |
4044 | |
4045 | |
4046 | |
4047 | llvm::GlobalVariable *IvarOffsetPointer = TheModule.getNamedGlobal(Name); |
4048 | if (!IvarOffsetPointer) |
4049 | IvarOffsetPointer = new llvm::GlobalVariable(TheModule, |
4050 | llvm::Type::getInt32PtrTy(VMContext), false, |
4051 | llvm::GlobalValue::ExternalLinkage, nullptr, Name); |
4052 | return IvarOffsetPointer; |
4053 | } |
4054 | |
4055 | LValue CGObjCGNU::EmitObjCValueForIvar(CodeGenFunction &CGF, |
4056 | QualType ObjectTy, |
4057 | llvm::Value *BaseValue, |
4058 | const ObjCIvarDecl *Ivar, |
4059 | unsigned CVRQualifiers) { |
4060 | const ObjCInterfaceDecl *ID = |
4061 | ObjectTy->castAs<ObjCObjectType>()->getInterface(); |
4062 | return EmitValueForIvarAtOffset(CGF, ID, BaseValue, Ivar, CVRQualifiers, |
4063 | EmitIvarOffset(CGF, ID, Ivar)); |
4064 | } |
4065 | |
4066 | static const ObjCInterfaceDecl *FindIvarInterface(ASTContext &Context, |
4067 | const ObjCInterfaceDecl *OID, |
4068 | const ObjCIvarDecl *OIVD) { |
4069 | for (const ObjCIvarDecl *next = OID->all_declared_ivar_begin(); next; |
4070 | next = next->getNextIvar()) { |
4071 | if (OIVD == next) |
4072 | return OID; |
4073 | } |
4074 | |
4075 | |
4076 | if (const ObjCInterfaceDecl *Super = OID->getSuperClass()) |
4077 | return FindIvarInterface(Context, Super, OIVD); |
4078 | |
4079 | return nullptr; |
4080 | } |
4081 | |
4082 | llvm::Value *CGObjCGNU::EmitIvarOffset(CodeGenFunction &CGF, |
4083 | const ObjCInterfaceDecl *Interface, |
4084 | const ObjCIvarDecl *Ivar) { |
4085 | if (CGM.getLangOpts().ObjCRuntime.isNonFragile()) { |
4086 | Interface = FindIvarInterface(CGM.getContext(), Interface, Ivar); |
4087 | |
4088 | |
4089 | |
4090 | |
4091 | if (RuntimeVersion < 10 || |
4092 | CGF.CGM.getTarget().getTriple().isKnownWindowsMSVCEnvironment()) |
4093 | return CGF.Builder.CreateZExtOrBitCast( |
4094 | CGF.Builder.CreateAlignedLoad( |
4095 | Int32Ty, CGF.Builder.CreateAlignedLoad( |
4096 | llvm::Type::getInt32PtrTy(VMContext), |
4097 | ObjCIvarOffsetVariable(Interface, Ivar), |
4098 | CGF.getPointerAlign(), "ivar"), |
4099 | CharUnits::fromQuantity(4)), |
4100 | PtrDiffTy); |
4101 | std::string name = "__objc_ivar_offset_value_" + |
4102 | Interface->getNameAsString() +"." + Ivar->getNameAsString(); |
4103 | CharUnits Align = CGM.getIntAlign(); |
4104 | llvm::Value *Offset = TheModule.getGlobalVariable(name); |
4105 | if (!Offset) { |
4106 | auto GV = new llvm::GlobalVariable(TheModule, IntTy, |
4107 | false, llvm::GlobalValue::LinkOnceAnyLinkage, |
4108 | llvm::Constant::getNullValue(IntTy), name); |
4109 | GV->setAlignment(Align.getAsAlign()); |
4110 | Offset = GV; |
4111 | } |
4112 | Offset = CGF.Builder.CreateAlignedLoad(IntTy, Offset, Align); |
4113 | if (Offset->getType() != PtrDiffTy) |
4114 | Offset = CGF.Builder.CreateZExtOrBitCast(Offset, PtrDiffTy); |
4115 | return Offset; |
4116 | } |
4117 | uint64_t Offset = ComputeIvarBaseOffset(CGF.CGM, Interface, Ivar); |
4118 | return llvm::ConstantInt::get(PtrDiffTy, Offset, true); |
4119 | } |
4120 | |
4121 | CGObjCRuntime * |
4122 | clang::CodeGen::CreateGNUObjCRuntime(CodeGenModule &CGM) { |
4123 | auto Runtime = CGM.getLangOpts().ObjCRuntime; |
4124 | switch (Runtime.getKind()) { |
4125 | case ObjCRuntime::GNUstep: |
4126 | if (Runtime.getVersion() >= VersionTuple(2, 0)) |
4127 | return new CGObjCGNUstep2(CGM); |
4128 | return new CGObjCGNUstep(CGM); |
4129 | |
4130 | case ObjCRuntime::GCC: |
4131 | return new CGObjCGCC(CGM); |
4132 | |
4133 | case ObjCRuntime::ObjFW: |
4134 | return new CGObjCObjFW(CGM); |
4135 | |
4136 | case ObjCRuntime::FragileMacOSX: |
4137 | case ObjCRuntime::MacOSX: |
4138 | case ObjCRuntime::iOS: |
4139 | case ObjCRuntime::WatchOS: |
4140 | llvm_unreachable("these runtimes are not GNU runtimes"); |
4141 | } |
4142 | llvm_unreachable("bad runtime"); |
4143 | } |
1 | |
2 | |
3 | |
4 | |
5 | |
6 | |
7 | |
8 | |
9 | |
10 | |
11 | |
12 | |
13 | |
14 | |
15 | |
16 | |
17 | #ifndef LLVM_CLANG_AST_TYPE_H |
18 | #define LLVM_CLANG_AST_TYPE_H |
19 | |
20 | #include "clang/AST/DependenceFlags.h" |
21 | #include "clang/AST/NestedNameSpecifier.h" |
22 | #include "clang/AST/TemplateName.h" |
23 | #include "clang/Basic/AddressSpaces.h" |
24 | #include "clang/Basic/AttrKinds.h" |
25 | #include "clang/Basic/Diagnostic.h" |
26 | #include "clang/Basic/ExceptionSpecificationType.h" |
27 | #include "clang/Basic/LLVM.h" |
28 | #include "clang/Basic/Linkage.h" |
29 | #include "clang/Basic/PartialDiagnostic.h" |
30 | #include "clang/Basic/SourceLocation.h" |
31 | #include "clang/Basic/Specifiers.h" |
32 | #include "clang/Basic/Visibility.h" |
33 | #include "llvm/ADT/APInt.h" |
34 | #include "llvm/ADT/APSInt.h" |
35 | #include "llvm/ADT/ArrayRef.h" |
36 | #include "llvm/ADT/FoldingSet.h" |
37 | #include "llvm/ADT/None.h" |
38 | #include "llvm/ADT/Optional.h" |
39 | #include "llvm/ADT/PointerIntPair.h" |
40 | #include "llvm/ADT/PointerUnion.h" |
41 | #include "llvm/ADT/StringRef.h" |
42 | #include "llvm/ADT/Twine.h" |
43 | #include "llvm/ADT/iterator_range.h" |
44 | #include "llvm/Support/Casting.h" |
45 | #include "llvm/Support/Compiler.h" |
46 | #include "llvm/Support/ErrorHandling.h" |
47 | #include "llvm/Support/PointerLikeTypeTraits.h" |
48 | #include "llvm/Support/TrailingObjects.h" |
49 | #include "llvm/Support/type_traits.h" |
50 | #include <cassert> |
51 | #include <cstddef> |
52 | #include <cstdint> |
53 | #include <cstring> |
54 | #include <string> |
55 | #include <type_traits> |
56 | #include <utility> |
57 | |
58 | namespace clang { |
59 | |
60 | class ExtQuals; |
61 | class QualType; |
62 | class ConceptDecl; |
63 | class TagDecl; |
64 | class TemplateParameterList; |
65 | class Type; |
66 | |
67 | enum { |
68 | TypeAlignmentInBits = 4, |
69 | TypeAlignment = 1 << TypeAlignmentInBits |
70 | }; |
71 | |
72 | namespace serialization { |
73 | template <class T> class AbstractTypeReader; |
74 | template <class T> class AbstractTypeWriter; |
75 | } |
76 | |
77 | } |
78 | |
79 | namespace llvm { |
80 | |
81 | template <typename T> |
82 | struct PointerLikeTypeTraits; |
83 | template<> |
84 | struct PointerLikeTypeTraits< ::clang::Type*> { |
85 | static inline void *getAsVoidPointer(::clang::Type *P) { return P; } |
86 | |
87 | static inline ::clang::Type *getFromVoidPointer(void *P) { |
88 | return static_cast< ::clang::Type*>(P); |
89 | } |
90 | |
91 | static constexpr int NumLowBitsAvailable = clang::TypeAlignmentInBits; |
92 | }; |
93 | |
94 | template<> |
95 | struct PointerLikeTypeTraits< ::clang::ExtQuals*> { |
96 | static inline void *getAsVoidPointer(::clang::ExtQuals *P) { return P; } |
97 | |
98 | static inline ::clang::ExtQuals *getFromVoidPointer(void *P) { |
99 | return static_cast< ::clang::ExtQuals*>(P); |
100 | } |
101 | |
102 | static constexpr int NumLowBitsAvailable = clang::TypeAlignmentInBits; |
103 | }; |
104 | |
105 | } |
106 | |
107 | namespace clang { |
108 | |
109 | class ASTContext; |
110 | template <typename> class CanQual; |
111 | class CXXRecordDecl; |
112 | class DeclContext; |
113 | class EnumDecl; |
114 | class Expr; |
115 | class ExtQualsTypeCommonBase; |
116 | class FunctionDecl; |
117 | class IdentifierInfo; |
118 | class NamedDecl; |
119 | class ObjCInterfaceDecl; |
120 | class ObjCProtocolDecl; |
121 | class ObjCTypeParamDecl; |
122 | struct PrintingPolicy; |
123 | class RecordDecl; |
124 | class Stmt; |
125 | class TagDecl; |
126 | class TemplateArgument; |
127 | class TemplateArgumentListInfo; |
128 | class TemplateArgumentLoc; |
129 | class TemplateTypeParmDecl; |
130 | class TypedefNameDecl; |
131 | class UnresolvedUsingTypenameDecl; |
132 | |
133 | using CanQualType = CanQual<Type>; |
134 | |
135 | |
136 | #define TYPE(Class, Base) class Class##Type; |
137 | #include "clang/AST/TypeNodes.inc" |
138 | |
139 | |
140 | |
141 | |
142 | |
143 | |
144 | |
145 | class Qualifiers { |
146 | public: |
147 | enum TQ { |
148 | Const = 0x1, |
149 | Restrict = 0x2, |
150 | Volatile = 0x4, |
151 | CVRMask = Const | Volatile | Restrict |
152 | }; |
153 | |
154 | enum GC { |
155 | GCNone = 0, |
156 | Weak, |
157 | Strong |
158 | }; |
159 | |
160 | enum ObjCLifetime { |
161 | |
162 | OCL_None, |
163 | |
164 | |
165 | |
166 | OCL_ExplicitNone, |
167 | |
168 | |
169 | |
170 | |
171 | |
172 | |
173 | OCL_Strong, |
174 | |
175 | |
176 | OCL_Weak, |
177 | |
178 | |
179 | OCL_Autoreleasing |
180 | }; |
181 | |
182 | enum { |
183 | |
184 | |
185 | MaxAddressSpace = 0x7fffffu, |
186 | |
187 | |
188 | FastWidth = 3, |
189 | |
190 | |
191 | FastMask = (1 << FastWidth) - 1 |
192 | }; |
193 | |
194 | |
195 | |
196 | static Qualifiers removeCommonQualifiers(Qualifiers &L, Qualifiers &R) { |
197 | |
198 | if (!(L.Mask & ~CVRMask) && !(R.Mask & ~CVRMask)) { |
199 | Qualifiers Q; |
200 | Q.Mask = L.Mask & R.Mask; |
201 | L.Mask &= ~Q.Mask; |
202 | R.Mask &= ~Q.Mask; |
203 | return Q; |
204 | } |
205 | |
206 | Qualifiers Q; |
207 | unsigned CommonCRV = L.getCVRQualifiers() & R.getCVRQualifiers(); |
208 | Q.addCVRQualifiers(CommonCRV); |
209 | L.removeCVRQualifiers(CommonCRV); |
210 | R.removeCVRQualifiers(CommonCRV); |
211 | |
212 | if (L.getObjCGCAttr() == R.getObjCGCAttr()) { |
213 | Q.setObjCGCAttr(L.getObjCGCAttr()); |
214 | L.removeObjCGCAttr(); |
215 | R.removeObjCGCAttr(); |
216 | } |
217 | |
218 | if (L.getObjCLifetime() == R.getObjCLifetime()) { |
219 | Q.setObjCLifetime(L.getObjCLifetime()); |
220 | L.removeObjCLifetime(); |
221 | R.removeObjCLifetime(); |
222 | } |
223 | |
224 | if (L.getAddressSpace() == R.getAddressSpace()) { |
225 | Q.setAddressSpace(L.getAddressSpace()); |
226 | L.removeAddressSpace(); |
227 | R.removeAddressSpace(); |
228 | } |
229 | return Q; |
230 | } |
231 | |
232 | static Qualifiers fromFastMask(unsigned Mask) { |
233 | Qualifiers Qs; |
234 | Qs.addFastQualifiers(Mask); |
235 | return Qs; |
236 | } |
237 | |
238 | static Qualifiers fromCVRMask(unsigned CVR) { |
239 | Qualifiers Qs; |
240 | Qs.addCVRQualifiers(CVR); |
241 | return Qs; |
242 | } |
243 | |
244 | static Qualifiers fromCVRUMask(unsigned CVRU) { |
245 | Qualifiers Qs; |
246 | Qs.addCVRUQualifiers(CVRU); |
247 | return Qs; |
248 | } |
249 | |
250 | |
251 | static Qualifiers fromOpaqueValue(unsigned opaque) { |
252 | Qualifiers Qs; |
253 | Qs.Mask = opaque; |
254 | return Qs; |
255 | } |
256 | |
257 | |
258 | unsigned getAsOpaqueValue() const { |
259 | return Mask; |
260 | } |
261 | |
262 | bool hasConst() const { return Mask & Const; } |
263 | bool hasOnlyConst() const { return Mask == Const; } |
264 | void removeConst() { Mask &= ~Const; } |
265 | void addConst() { Mask |= Const; } |
266 | |
267 | bool hasVolatile() const { return Mask & Volatile; } |
268 | bool hasOnlyVolatile() const { return Mask == Volatile; } |
269 | void removeVolatile() { Mask &= ~Volatile; } |
270 | void addVolatile() { Mask |= Volatile; } |
271 | |
272 | bool hasRestrict() const { return Mask & Restrict; } |
273 | bool hasOnlyRestrict() const { return Mask == Restrict; } |
274 | void removeRestrict() { Mask &= ~Restrict; } |
275 | void addRestrict() { Mask |= Restrict; } |
276 | |
277 | bool hasCVRQualifiers() const { return getCVRQualifiers(); } |
278 | unsigned getCVRQualifiers() const { return Mask & CVRMask; } |
279 | unsigned getCVRUQualifiers() const { return Mask & (CVRMask | UMask); } |
280 | |
281 | void setCVRQualifiers(unsigned mask) { |
282 | assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); |
283 | Mask = (Mask & ~CVRMask) | mask; |
284 | } |
285 | void removeCVRQualifiers(unsigned mask) { |
286 | assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); |
287 | Mask &= ~mask; |
288 | } |
289 | void removeCVRQualifiers() { |
290 | removeCVRQualifiers(CVRMask); |
291 | } |
292 | void addCVRQualifiers(unsigned mask) { |
293 | assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); |
294 | Mask |= mask; |
295 | } |
296 | void addCVRUQualifiers(unsigned mask) { |
297 | assert(!(mask & ~CVRMask & ~UMask) && "bitmask contains non-CVRU bits"); |
298 | Mask |= mask; |
299 | } |
300 | |
301 | bool hasUnaligned() const { return Mask & UMask; } |
302 | void setUnaligned(bool flag) { |
303 | Mask = (Mask & ~UMask) | (flag ? UMask : 0); |
304 | } |
305 | void removeUnaligned() { Mask &= ~UMask; } |
306 | void addUnaligned() { Mask |= UMask; } |
307 | |
308 | bool hasObjCGCAttr() const { return Mask & GCAttrMask; } |
309 | GC getObjCGCAttr() const { return GC((Mask & GCAttrMask) >> GCAttrShift); } |
310 | void setObjCGCAttr(GC type) { |
311 | Mask = (Mask & ~GCAttrMask) | (type << GCAttrShift); |
312 | } |
313 | void removeObjCGCAttr() { setObjCGCAttr(GCNone); } |
314 | void addObjCGCAttr(GC type) { |
315 | assert(type); |
316 | setObjCGCAttr(type); |
317 | } |
318 | Qualifiers withoutObjCGCAttr() const { |
319 | Qualifiers qs = *this; |
320 | qs.removeObjCGCAttr(); |
321 | return qs; |
322 | } |
323 | Qualifiers withoutObjCLifetime() const { |
324 | Qualifiers qs = *this; |
325 | qs.removeObjCLifetime(); |
326 | return qs; |
327 | } |
328 | Qualifiers withoutAddressSpace() const { |
329 | Qualifiers qs = *this; |
330 | qs.removeAddressSpace(); |
331 | return qs; |
332 | } |
333 | |
334 | bool hasObjCLifetime() const { return Mask & LifetimeMask; } |
335 | ObjCLifetime getObjCLifetime() const { |
336 | return ObjCLifetime((Mask & LifetimeMask) >> LifetimeShift); |
337 | } |
338 | void setObjCLifetime(ObjCLifetime type) { |
339 | Mask = (Mask & ~LifetimeMask) | (type << LifetimeShift); |
340 | } |
341 | void removeObjCLifetime() { setObjCLifetime(OCL_None); } |
342 | void addObjCLifetime(ObjCLifetime type) { |
343 | assert(type); |
344 | assert(!hasObjCLifetime()); |
345 | Mask |= (type << LifetimeShift); |
346 | } |
347 | |
348 | |
349 | bool hasNonTrivialObjCLifetime() const { |
350 | ObjCLifetime lifetime = getObjCLifetime(); |
351 | return (lifetime > OCL_ExplicitNone); |
352 | } |
353 | |
354 | |
355 | bool hasStrongOrWeakObjCLifetime() const { |
356 | ObjCLifetime lifetime = getObjCLifetime(); |
357 | return (lifetime == OCL_Strong || lifetime == OCL_Weak); |
358 | } |
359 | |
360 | bool hasAddressSpace() const { return Mask & AddressSpaceMask; } |
361 | LangAS getAddressSpace() const { |
362 | return static_cast<LangAS>(Mask >> AddressSpaceShift); |
363 | } |
364 | bool hasTargetSpecificAddressSpace() const { |
365 | return isTargetAddressSpace(getAddressSpace()); |
366 | } |
367 | |
368 | unsigned getAddressSpaceAttributePrintValue() const { |
369 | auto Addr = getAddressSpace(); |
370 | |
371 | |
372 | |
373 | assert(Addr == LangAS::Default || hasTargetSpecificAddressSpace()); |
374 | if (Addr != LangAS::Default) |
375 | return toTargetAddressSpace(Addr); |
376 | |
377 | |
378 | |
379 | return 0; |
380 | } |
381 | void setAddressSpace(LangAS space) { |
382 | assert((unsigned)space <= MaxAddressSpace); |
383 | Mask = (Mask & ~AddressSpaceMask) |
384 | | (((uint32_t) space) << AddressSpaceShift); |
385 | } |
386 | void removeAddressSpace() { setAddressSpace(LangAS::Default); } |
387 | void addAddressSpace(LangAS space) { |
388 | assert(space != LangAS::Default); |
389 | setAddressSpace(space); |
390 | } |
391 | |
392 | |
393 | |
394 | bool hasFastQualifiers() const { return getFastQualifiers(); } |
395 | unsigned getFastQualifiers() const { return Mask & FastMask; } |
396 | void setFastQualifiers(unsigned mask) { |
397 | assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); |
398 | Mask = (Mask & ~FastMask) | mask; |
399 | } |
400 | void removeFastQualifiers(unsigned mask) { |
401 | assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); |
402 | Mask &= ~mask; |
403 | } |
404 | void removeFastQualifiers() { |
405 | removeFastQualifiers(FastMask); |
406 | } |
407 | void addFastQualifiers(unsigned mask) { |
408 | assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); |
409 | Mask |= mask; |
410 | } |
411 | |
412 | |
413 | |
414 | bool hasNonFastQualifiers() const { return Mask & ~FastMask; } |
415 | Qualifiers getNonFastQualifiers() const { |
416 | Qualifiers Quals = *this; |
417 | Quals.setFastQualifiers(0); |
418 | return Quals; |
419 | } |
420 | |
421 | |
422 | bool hasQualifiers() const { return Mask; } |
423 | bool empty() const { return !Mask; } |
424 | |
425 | |
426 | void addQualifiers(Qualifiers Q) { |
427 | |
428 | |
429 | if (!(Q.Mask & ~CVRMask)) |
430 | Mask |= Q.Mask; |
431 | else { |
432 | Mask |= (Q.Mask & CVRMask); |
433 | if (Q.hasAddressSpace()) |
434 | addAddressSpace(Q.getAddressSpace()); |
435 | if (Q.hasObjCGCAttr()) |
436 | addObjCGCAttr(Q.getObjCGCAttr()); |
437 | if (Q.hasObjCLifetime()) |
438 | addObjCLifetime(Q.getObjCLifetime()); |
439 | } |
440 | } |
441 | |
442 | |
443 | void removeQualifiers(Qualifiers Q) { |
444 | |
445 | |
446 | if (!(Q.Mask & ~CVRMask)) |
447 | Mask &= ~Q.Mask; |
448 | else { |
449 | Mask &= ~(Q.Mask & CVRMask); |
450 | if (getObjCGCAttr() == Q.getObjCGCAttr()) |
451 | removeObjCGCAttr(); |
452 | if (getObjCLifetime() == Q.getObjCLifetime()) |
453 | removeObjCLifetime(); |
454 | if (getAddressSpace() == Q.getAddressSpace()) |
455 | removeAddressSpace(); |
456 | } |
457 | } |
458 | |
459 | |
460 | |
461 | void addConsistentQualifiers(Qualifiers qs) { |
462 | assert(getAddressSpace() == qs.getAddressSpace() || |
463 | !hasAddressSpace() || !qs.hasAddressSpace()); |
464 | assert(getObjCGCAttr() == qs.getObjCGCAttr() || |
465 | !hasObjCGCAttr() || !qs.hasObjCGCAttr()); |
466 | assert(getObjCLifetime() == qs.getObjCLifetime() || |
467 | !hasObjCLifetime() || !qs.hasObjCLifetime()); |
468 | Mask |= qs.Mask; |
469 | } |
470 | |
471 | |
472 | |
473 | |
474 | |
475 | |
476 | |
477 | |
478 | static bool isAddressSpaceSupersetOf(LangAS A, LangAS B) { |
479 | |
480 | return A == B || |
481 | |
482 | |
483 | (A == LangAS::opencl_generic && B != LangAS::opencl_constant) || |
484 | |
485 | |
486 | |
487 | (A == LangAS::opencl_global && (B == LangAS::opencl_global_device || |
488 | B == LangAS::opencl_global_host)) || |
489 | (A == LangAS::sycl_global && (B == LangAS::sycl_global_device || |
490 | B == LangAS::sycl_global_host)) || |
491 | |
492 | ((isPtrSizeAddressSpace(A) || A == LangAS::Default) && |
493 | (isPtrSizeAddressSpace(B) || B == LangAS::Default)) || |
494 | |
495 | (A == LangAS::Default && |
496 | (B == LangAS::sycl_private || B == LangAS::sycl_local || |
497 | B == LangAS::sycl_global || B == LangAS::sycl_global_device || |
498 | B == LangAS::sycl_global_host)); |
499 | } |
500 | |
501 | |
502 | |
503 | bool isAddressSpaceSupersetOf(Qualifiers other) const { |
504 | return isAddressSpaceSupersetOf(getAddressSpace(), other.getAddressSpace()); |
505 | } |
506 | |
507 | |
508 | |
509 | |
510 | bool compatiblyIncludes(Qualifiers other) const { |
511 | return isAddressSpaceSupersetOf(other) && |
512 | |
513 | |
514 | (getObjCGCAttr() == other.getObjCGCAttr() || !hasObjCGCAttr() || |
515 | !other.hasObjCGCAttr()) && |
516 | |
517 | getObjCLifetime() == other.getObjCLifetime() && |
518 | |
519 | (((Mask & CVRMask) | (other.Mask & CVRMask)) == (Mask & CVRMask)) && |
520 | |
521 | (!other.hasUnaligned() || hasUnaligned()); |
522 | } |
523 | |
524 | |
525 | |
526 | |
527 | |
528 | |
529 | |
530 | |
531 | bool compatiblyIncludesObjCLifetime(Qualifiers other) const { |
532 | if (getObjCLifetime() == other.getObjCLifetime()) |
533 | return true; |
534 | |
535 | if (getObjCLifetime() == OCL_Weak || other.getObjCLifetime() == OCL_Weak) |
536 | return false; |
537 | |
538 | if (getObjCLifetime() == OCL_None || other.getObjCLifetime() == OCL_None) |
539 | return true; |
540 | |
541 | return hasConst(); |
542 | } |
543 | |
544 | |
545 | |
546 | bool isStrictSupersetOf(Qualifiers Other) const; |
547 | |
548 | bool operator==(Qualifiers Other) const { return Mask == Other.Mask; } |
549 | bool operator!=(Qualifiers Other) const { return Mask != Other.Mask; } |
550 | |
551 | explicit operator bool() const { return hasQualifiers(); } |
552 | |
553 | Qualifiers &operator+=(Qualifiers R) { |
554 | addQualifiers(R); |
555 | return *this; |
556 | } |
557 | |
558 | |
559 | |
560 | friend Qualifiers operator+(Qualifiers L, Qualifiers R) { |
561 | L += R; |
562 | return L; |
563 | } |
564 | |
565 | Qualifiers &operator-=(Qualifiers R) { |
566 | removeQualifiers(R); |
567 | return *this; |
568 | } |
569 | |
570 | |
571 | friend Qualifiers operator-(Qualifiers L, Qualifiers R) { |
572 | L -= R; |
573 | return L; |
574 | } |
575 | |
576 | std::string getAsString() const; |
577 | std::string getAsString(const PrintingPolicy &Policy) const; |
578 | |
579 | static std::string getAddrSpaceAsString(LangAS AS); |
580 | |
581 | bool isEmptyWhenPrinted(const PrintingPolicy &Policy) const; |
582 | void print(raw_ostream &OS, const PrintingPolicy &Policy, |
583 | bool appendSpaceIfNonEmpty = false) const; |
584 | |
585 | void Profile(llvm::FoldingSetNodeID &ID) const { |
586 | ID.AddInteger(Mask); |
587 | } |
588 | |
589 | private: |
590 | |
591 | |
592 | uint32_t Mask = 0; |
593 | |
594 | static const uint32_t UMask = 0x8; |
595 | static const uint32_t UShift = 3; |
596 | static const uint32_t GCAttrMask = 0x30; |
597 | static const uint32_t GCAttrShift = 4; |
598 | static const uint32_t LifetimeMask = 0x1C0; |
599 | static const uint32_t LifetimeShift = 6; |
600 | static const uint32_t AddressSpaceMask = |
601 | ~(CVRMask | UMask | GCAttrMask | LifetimeMask); |
602 | static const uint32_t AddressSpaceShift = 9; |
603 | }; |
604 | |
605 | |
606 | |
607 | struct SplitQualType { |
608 | |
609 | const Type *Ty = nullptr; |
610 | |
611 | |
612 | Qualifiers Quals; |
613 | |
614 | SplitQualType() = default; |
615 | SplitQualType(const Type *ty, Qualifiers qs) : Ty(ty), Quals(qs) {} |
616 | |
617 | SplitQualType getSingleStepDesugaredType() const; |
618 | |
619 | |
620 | std::pair<const Type *,Qualifiers> asPair() const { |
621 | return std::pair<const Type *, Qualifiers>(Ty, Quals); |
622 | } |
623 | |
624 | friend bool operator==(SplitQualType a, SplitQualType b) { |
625 | return a.Ty == b.Ty && a.Quals == b.Quals; |
626 | } |
627 | friend bool operator!=(SplitQualType a, SplitQualType b) { |
628 | return a.Ty != b.Ty || a.Quals != b.Quals; |
629 | } |
630 | }; |
631 | |
632 | |
633 | |
634 | |
635 | |
636 | |
637 | enum class ObjCSubstitutionContext { |
638 | |
639 | Ordinary, |
640 | |
641 | |
642 | Result, |
643 | |
644 | |
645 | Parameter, |
646 | |
647 | |
648 | Property, |
649 | |
650 | |
651 | Superclass, |
652 | }; |
653 | |
654 | |
655 | |
656 | |
657 | |
658 | |
659 | |
660 | |
661 | |
662 | |
663 | |
664 | |
665 | |
666 | |
667 | |
668 | class QualType { |
669 | friend class QualifierCollector; |
670 | |
671 | |
672 | llvm::PointerIntPair<llvm::PointerUnion<const Type *, const ExtQuals *>, |
673 | Qualifiers::FastWidth> Value; |
674 | |
675 | const ExtQuals *getExtQualsUnsafe() const { |
676 | return Value.getPointer().get<const ExtQuals*>(); |
677 | } |
678 | |
679 | const Type *getTypePtrUnsafe() const { |
680 | return Value.getPointer().get<const Type*>(); |
681 | } |
682 | |
683 | const ExtQualsTypeCommonBase *getCommonPtr() const { |
684 | assert(!isNull() && "Cannot retrieve a NULL type pointer"); |
685 | auto CommonPtrVal = reinterpret_cast<uintptr_t>(Value.getOpaqueValue()); |
686 | CommonPtrVal &= ~(uintptr_t)((1 << TypeAlignmentInBits) - 1); |
687 | return reinterpret_cast<ExtQualsTypeCommonBase*>(CommonPtrVal); |
688 | } |
689 | |
690 | public: |
691 | QualType() = default; |
692 | QualType(const Type *Ptr, unsigned Quals) : Value(Ptr, Quals) {} |
693 | QualType(const ExtQuals *Ptr, unsigned Quals) : Value(Ptr, Quals) {} |
694 | |
695 | unsigned getLocalFastQualifiers() const { return Value.getInt(); } |
696 | void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } |
697 | |
698 | |
699 | |
700 | |
701 | |
702 | const Type *getTypePtr() const; |
703 | |
704 | const Type *getTypePtrOrNull() const; |
705 | |
706 | |
707 | const IdentifierInfo *getBaseTypeIdentifier() const; |
708 | |
709 | |
710 | |
711 | SplitQualType split() const; |
712 | |
713 | void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } |
714 | |
715 | static QualType getFromOpaquePtr(const void *Ptr) { |
716 | QualType T; |
717 | T.Value.setFromOpaqueValue(const_cast<void*>(Ptr)); |
718 | return T; |
719 | } |
720 | |
721 | const Type &operator*() const { |
722 | return *getTypePtr(); |
723 | } |
724 | |
725 | const Type *operator->() const { |
726 | return getTypePtr(); |
727 | } |
728 | |
729 | bool isCanonical() const; |
730 | bool isCanonicalAsParam() const; |
731 | |
732 | |
733 | bool isNull() const { |
734 | return Value.getPointer().isNull(); |
735 | } |
736 | |
737 | |
738 | |
739 | |
740 | bool isLocalConstQualified() const { |
741 | return (getLocalFastQualifiers() & Qualifiers::Const); |
742 | } |
743 | |
744 | |
745 | bool isConstQualified() const; |
746 | |
747 | |
748 | |
749 | |
750 | bool isLocalRestrictQualified() const { |
751 | return (getLocalFastQualifiers() & Qualifiers::Restrict); |
752 | } |
753 | |
754 | |
755 | bool isRestrictQualified() const; |
756 | |
757 | |
758 | |
759 | |
760 | bool isLocalVolatileQualified() const { |
761 | return (getLocalFastQualifiers() & Qualifiers::Volatile); |
762 | } |
763 | |
764 | |
765 | bool isVolatileQualified() const; |
766 | |
767 | |
768 | |
769 | |
770 | bool hasLocalQualifiers() const { |
771 | return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); |
772 | } |
773 | |
774 | |
775 | bool hasQualifiers() const; |
776 | |
777 | |
778 | |
779 | |
780 | bool hasLocalNonFastQualifiers() const { |
781 | return Value.getPointer().is<const ExtQuals*>(); |
782 | } |
783 | |
784 | |
785 | |
786 | |
787 | Qualifiers getLocalQualifiers() const; |
788 | |
789 | |
790 | Qualifiers getQualifiers() const; |
791 | |
792 | |
793 | |
794 | |
795 | unsigned getLocalCVRQualifiers() const { |
796 | return getLocalFastQualifiers(); |
797 | } |
798 | |
799 | |
800 | |
801 | unsigned getCVRQualifiers() const; |
802 | |
803 | bool isConstant(const ASTContext& Ctx) const { |
804 | return QualType::isConstant(*this, Ctx); |
805 | } |
806 | |
807 | |
808 | bool isPODType(const ASTContext &Context) const; |
809 | |
810 | |
811 | |
812 | bool isCXX98PODType(const ASTContext &Context) const; |
813 | |
814 | |
815 | |
816 | |
817 | |
818 | bool isCXX11PODType(const ASTContext &Context) const; |
819 | |
820 | |
821 | bool isTrivialType(const ASTContext &Context) const; |
822 | |
823 | |
824 | bool isTriviallyCopyableType(const ASTContext &Context) const; |
825 | |
826 | |
827 | |
828 | bool mayBeDynamicClass() const; |
829 | |
830 | |
831 | bool mayBeNotDynamicClass() const; |
832 | |
833 | |
834 | |
835 | |
836 | |
837 | void addConst() { |
838 | addFastQualifiers(Qualifiers::Const); |
839 | } |
840 | QualType withConst() const { |
841 | return withFastQualifiers(Qualifiers::Const); |
842 | } |
843 | |
844 | |
845 | void addVolatile() { |
846 | addFastQualifiers(Qualifiers::Volatile); |
847 | } |
848 | QualType withVolatile() const { |
849 | return withFastQualifiers(Qualifiers::Volatile); |
850 | } |
851 | |
852 | |
853 | void addRestrict() { |
854 | addFastQualifiers(Qualifiers::Restrict); |
855 | } |
856 | QualType withRestrict() const { |
857 | return withFastQualifiers(Qualifiers::Restrict); |
858 | } |
859 | |
860 | QualType withCVRQualifiers(unsigned CVR) const { |
861 | return withFastQualifiers(CVR); |
862 | } |
863 | |
864 | void addFastQualifiers(unsigned TQs) { |
865 | assert(!(TQs & ~Qualifiers::FastMask) |
866 | && "non-fast qualifier bits set in mask!"); |
867 | Value.setInt(Value.getInt() | TQs); |
868 | } |
869 | |
870 | void removeLocalConst(); |
871 | void removeLocalVolatile(); |
872 | void removeLocalRestrict(); |
873 | void removeLocalCVRQualifiers(unsigned Mask); |
874 | |
875 | void removeLocalFastQualifiers() { Value.setInt(0); } |
876 | void removeLocalFastQualifiers(unsigned Mask) { |
877 | assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); |
878 | Value.setInt(Value.getInt() & ~Mask); |
879 | } |
880 | |
881 | |
882 | |
883 | QualType withFastQualifiers(unsigned TQs) const { |
884 | QualType T = *this; |
885 | T.addFastQualifiers(TQs); |
886 | return T; |
887 | } |
888 | |
889 | |
890 | |
891 | QualType withExactLocalFastQualifiers(unsigned TQs) const { |
892 | return withoutLocalFastQualifiers().withFastQualifiers(TQs); |
893 | } |
894 | |
895 | |
896 | QualType withoutLocalFastQualifiers() const { |
897 | QualType T = *this; |
898 | T.removeLocalFastQualifiers(); |
899 | return T; |
900 | } |
901 | |
902 | QualType getCanonicalType() const; |
903 | |
904 | |
905 | |
906 | |
907 | QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } |
908 | |
909 | |
910 | |
911 | |
912 | |
913 | |
914 | |
915 | |
916 | |
917 | |
918 | |
919 | |
920 | |
921 | |
922 | |
923 | |
924 | |
925 | |
926 | |
927 | inline QualType getUnqualifiedType() const; |
928 | |
929 | |
930 | |
931 | |
932 | |
933 | |
934 | |
935 | |
936 | |
937 | |
938 | inline SplitQualType getSplitUnqualifiedType() const; |
939 | |
940 | |
941 | |
942 | bool isMoreQualifiedThan(QualType Other) const; |
943 | |
944 | |
945 | |
946 | bool isAtLeastAsQualifiedAs(QualType Other) const; |
947 | |
948 | QualType getNonReferenceType() const; |
949 | |
950 | |
951 | |
952 | |
953 | |
954 | |
955 | |
956 | |
957 | |
958 | QualType getNonLValueExprType(const ASTContext &Context) const; |
959 | |
960 | |
961 | |
962 | |
963 | |
964 | QualType getNonPackExpansionType() const; |
965 | |
966 | |
967 | |
968 | |
969 | |
970 | |
971 | |
972 | |
973 | |
974 | QualType getDesugaredType(const ASTContext &Context) const { |
975 | return getDesugaredType(*this, Context); |
976 | } |
977 | |
978 | SplitQualType getSplitDesugaredType() const { |
979 | return getSplitDesugaredType(*this); |
980 | } |
981 | |
982 | |
983 | |
984 | |
985 | |
986 | |
987 | QualType getSingleStepDesugaredType(const ASTContext &Context) const { |
988 | return getSingleStepDesugaredTypeImpl(*this, Context); |
989 | } |
990 | |
991 | |
992 | |
993 | QualType IgnoreParens() const { |
994 | if (isa<ParenType>(*this)) |
995 | return QualType::IgnoreParens(*this); |
996 | return *this; |
997 | } |
998 | |
999 | |
1000 | friend bool operator==(const QualType &LHS, const QualType &RHS) { |
1001 | return LHS.Value == RHS.Value; |
1002 | } |
1003 | friend bool operator!=(const QualType &LHS, const QualType &RHS) { |
1004 | return LHS.Value != RHS.Value; |
1005 | } |
1006 | friend bool operator<(const QualType &LHS, const QualType &RHS) { |
1007 | return LHS.Value < RHS.Value; |
1008 | } |
1009 | |
1010 | static std::string getAsString(SplitQualType split, |
1011 | const PrintingPolicy &Policy) { |
1012 | return getAsString(split.Ty, split.Quals, Policy); |
1013 | } |
1014 | static std::string getAsString(const Type *ty, Qualifiers qs, |
1015 | const PrintingPolicy &Policy); |
1016 | |
1017 | std::string getAsString() const; |
1018 | std::string getAsString(const PrintingPolicy &Policy) const; |
1019 | |
1020 | void print(raw_ostream &OS, const PrintingPolicy &Policy, |
1021 | const Twine &PlaceHolder = Twine(), |
1022 | unsigned Indentation = 0) const; |
1023 | |
1024 | static void print(SplitQualType split, raw_ostream &OS, |
1025 | const PrintingPolicy &policy, const Twine &PlaceHolder, |
1026 | unsigned Indentation = 0) { |
1027 | return print(split.Ty, split.Quals, OS, policy, PlaceHolder, Indentation); |
1028 | } |
1029 | |
1030 | static void print(const Type *ty, Qualifiers qs, |
1031 | raw_ostream &OS, const PrintingPolicy &policy, |
1032 | const Twine &PlaceHolder, |
1033 | unsigned Indentation = 0); |
1034 | |
1035 | void getAsStringInternal(std::string &Str, |
1036 | const PrintingPolicy &Policy) const; |
1037 | |
1038 | static void getAsStringInternal(SplitQualType split, std::string &out, |
1039 | const PrintingPolicy &policy) { |
1040 | return getAsStringInternal(split.Ty, split.Quals, out, policy); |
1041 | } |
1042 | |
1043 | static void getAsStringInternal(const Type *ty, Qualifiers qs, |
1044 | std::string &out, |
1045 | const PrintingPolicy &policy); |
1046 | |
1047 | class StreamedQualTypeHelper { |
1048 | const QualType &T; |
1049 | const PrintingPolicy &Policy; |
1050 | const Twine &PlaceHolder; |
1051 | unsigned Indentation; |
1052 | |
1053 | public: |
1054 | StreamedQualTypeHelper(const QualType &T, const PrintingPolicy &Policy, |
1055 | const Twine &PlaceHolder, unsigned Indentation) |
1056 | : T(T), Policy(Policy), PlaceHolder(PlaceHolder), |
1057 | Indentation(Indentation) {} |
1058 | |
1059 | friend raw_ostream &operator<<(raw_ostream &OS, |
1060 | const StreamedQualTypeHelper &SQT) { |
1061 | SQT.T.print(OS, SQT.Policy, SQT.PlaceHolder, SQT.Indentation); |
1062 | return OS; |
1063 | } |
1064 | }; |
1065 | |
1066 | StreamedQualTypeHelper stream(const PrintingPolicy &Policy, |
1067 | const Twine &PlaceHolder = Twine(), |
1068 | unsigned Indentation = 0) const { |
1069 | return StreamedQualTypeHelper(*this, Policy, PlaceHolder, Indentation); |
1070 | } |
1071 | |
1072 | void dump(const char *s) const; |
1073 | void dump() const; |
1074 | void dump(llvm::raw_ostream &OS, const ASTContext &Context) const; |
1075 | |
1076 | void Profile(llvm::FoldingSetNodeID &ID) const { |
1077 | ID.AddPointer(getAsOpaquePtr()); |
1078 | } |
1079 | |
1080 | |
1081 | inline bool hasAddressSpace() const; |
1082 | |
1083 | |
1084 | inline LangAS getAddressSpace() const; |
1085 | |
1086 | |
1087 | |
1088 | |
1089 | |
1090 | |
1091 | |
1092 | |
1093 | |
1094 | bool isAddressSpaceOverlapping(QualType T) const { |
1095 | Qualifiers Q = getQualifiers(); |
1096 | Qualifiers TQ = T.getQualifiers(); |
1097 | |
1098 | return Q.isAddressSpaceSupersetOf(TQ) || TQ.isAddressSpaceSupersetOf(Q); |
1099 | } |
1100 | |
1101 | |
1102 | inline Qualifiers::GC getObjCGCAttr() const; |
1103 | |
1104 | |
1105 | bool isObjCGCWeak() const { |
1106 | return getObjCGCAttr() == Qualifiers::Weak; |
1107 | } |
1108 | |
1109 | |
1110 | bool isObjCGCStrong() const { |
1111 | return getObjCGCAttr() == Qualifiers::Strong; |
1112 | } |
1113 | |
1114 | |
1115 | Qualifiers::ObjCLifetime getObjCLifetime() const { |
1116 | return getQualifiers().getObjCLifetime(); |
1117 | } |
1118 | |
1119 | bool hasNonTrivialObjCLifetime() const { |
1120 | return getQualifiers().hasNonTrivialObjCLifetime(); |
1121 | } |
1122 | |
1123 | bool hasStrongOrWeakObjCLifetime() const { |
1124 | return getQualifiers().hasStrongOrWeakObjCLifetime(); |
1125 | } |
1126 | |
1127 | |
1128 | bool isNonWeakInMRRWithObjCWeak(const ASTContext &Context) const; |
1129 | |
1130 | enum PrimitiveDefaultInitializeKind { |
1131 | |
1132 | |
1133 | |
1134 | PDIK_Trivial, |
1135 | |
1136 | |
1137 | |
1138 | PDIK_ARCStrong, |
1139 | |
1140 | |
1141 | |
1142 | PDIK_ARCWeak, |
1143 | |
1144 | |
1145 | PDIK_Struct |
1146 | }; |
1147 | |
1148 | |
1149 | |
1150 | |
1151 | |
1152 | |
1153 | PrimitiveDefaultInitializeKind |
1154 | isNonTrivialToPrimitiveDefaultInitialize() const; |
1155 | |
1156 | enum PrimitiveCopyKind { |
1157 | |
1158 | |
1159 | |
1160 | PCK_Trivial, |
1161 | |
1162 | |
1163 | |
1164 | |
1165 | PCK_VolatileTrivial, |
1166 | |
1167 | |
1168 | |
1169 | PCK_ARCStrong, |
1170 | |
1171 | |
1172 | |
1173 | PCK_ARCWeak, |
1174 | |
1175 | |
1176 | |
1177 | |
1178 | |
1179 | |
1180 | |
1181 | PCK_Struct |
1182 | }; |
1183 | |
1184 | |
1185 | |
1186 | |
1187 | PrimitiveCopyKind isNonTrivialToPrimitiveCopy() const; |
1188 | |
1189 | |
1190 | |
1191 | |
1192 | |
1193 | |
1194 | |
1195 | PrimitiveCopyKind isNonTrivialToPrimitiveDestructiveMove() const; |
1196 | |
1197 | enum DestructionKind { |
1198 | DK_none, |
1199 | DK_cxx_destructor, |
1200 | DK_objc_strong_lifetime, |
1201 | DK_objc_weak_lifetime, |
1202 | DK_nontrivial_c_struct |
1203 | }; |
1204 | |
1205 | |
1206 | |
1207 | |
1208 | |
1209 | DestructionKind isDestructedType() const { |
1210 | return isDestructedTypeImpl(*this); |
1211 | } |
1212 | |
1213 | |
1214 | |
1215 | |
1216 | |
1217 | bool hasNonTrivialToPrimitiveDefaultInitializeCUnion() const; |
1218 | |
1219 | |
1220 | |
1221 | |
1222 | bool hasNonTrivialToPrimitiveDestructCUnion() const; |
1223 | |
1224 | |
1225 | |
1226 | |
1227 | bool hasNonTrivialToPrimitiveCopyCUnion() const; |
1228 | |
1229 | |
1230 | |
1231 | |
1232 | |
1233 | |
1234 | |
1235 | |
1236 | |
1237 | |
1238 | |
1239 | bool isCForbiddenLValueType() const; |
1240 | |
1241 | |
1242 | |
1243 | |
1244 | |
1245 | |
1246 | |
1247 | |
1248 | |
1249 | |
1250 | |
1251 | |
1252 | |
1253 | |
1254 | |
1255 | QualType substObjCTypeArgs(ASTContext &ctx, |
1256 | ArrayRef<QualType> typeArgs, |
1257 | ObjCSubstitutionContext context) const; |
1258 | |
1259 | |
1260 | |
1261 | |
1262 | |
1263 | |
1264 | |
1265 | |
1266 | |
1267 | |
1268 | |
1269 | |
1270 | |
1271 | |
1272 | |
1273 | |
1274 | |
1275 | |
1276 | |
1277 | |
1278 | |
1279 | QualType substObjCMemberType(QualType objectType, |
1280 | const DeclContext *dc, |
1281 | ObjCSubstitutionContext context) const; |
1282 | |
1283 | |
1284 | QualType stripObjCKindOfType(const ASTContext &ctx) const; |
1285 | |
1286 | |
1287 | QualType getAtomicUnqualifiedType() const; |
1288 | |
1289 | private: |
1290 | |
1291 | |
1292 | |
1293 | static bool isConstant(QualType T, const ASTContext& Ctx); |
1294 | static QualType getDesugaredType(QualType T, const ASTContext &Context); |
1295 | static SplitQualType getSplitDesugaredType(QualType T); |
1296 | static SplitQualType getSplitUnqualifiedTypeImpl(QualType type); |
1297 | static QualType getSingleStepDesugaredTypeImpl(QualType type, |
1298 | const ASTContext &C); |
1299 | static QualType IgnoreParens(QualType T); |
1300 | static DestructionKind isDestructedTypeImpl(QualType type); |
1301 | |
1302 | |
1303 | static bool hasNonTrivialToPrimitiveDefaultInitializeCUnion(const RecordDecl *RD); |
1304 | static bool hasNonTrivialToPrimitiveDestructCUnion(const RecordDecl *RD); |
1305 | static bool hasNonTrivialToPrimitiveCopyCUnion(const RecordDecl *RD); |
1306 | }; |
1307 | |
1308 | } |
1309 | |
1310 | namespace llvm { |
1311 | |
1312 | |
1313 | |
1314 | template<> struct simplify_type< ::clang::QualType> { |
1315 | using SimpleType = const ::clang::Type *; |
1316 | |
1317 | static SimpleType getSimplifiedValue(::clang::QualType Val) { |
1318 | return Val.getTypePtr(); |
1319 | } |
1320 | }; |
1321 | |
1322 | |
1323 | template<> |
1324 | struct PointerLikeTypeTraits<clang::QualType> { |
1325 | static inline void *getAsVoidPointer(clang::QualType P) { |
1326 | return P.getAsOpaquePtr(); |
1327 | } |
1328 | |
1329 | static inline clang::QualType getFromVoidPointer(void *P) { |
1330 | return clang::QualType::getFromOpaquePtr(P); |
1331 | } |
1332 | |
1333 | |
1334 | static constexpr int NumLowBitsAvailable = 0; |
1335 | }; |
1336 | |
1337 | } |
1338 | |
1339 | namespace clang { |
1340 | |
1341 | |
1342 | |
1343 | |
1344 | class ExtQualsTypeCommonBase { |
1345 | friend class ExtQuals; |
1346 | friend class QualType; |
1347 | friend class Type; |
1348 | |
1349 | |
1350 | |
1351 | |
1352 | |
1353 | |
1354 | const Type *const BaseType; |
1355 | |
1356 | |
1357 | QualType CanonicalType; |
1358 | |
1359 | ExtQualsTypeCommonBase(const Type *baseType, QualType canon) |
1360 | : BaseType(baseType), CanonicalType(canon) {} |
1361 | }; |
1362 | |
1363 | |
1364 | |
1365 | |
1366 | |
1367 | |
1368 | |
1369 | |
1370 | |
1371 | |
1372 | |
1373 | class ExtQuals : public ExtQualsTypeCommonBase, public llvm::FoldingSetNode { |
1374 | |
1375 | |
1376 | |
1377 | |
1378 | |
1379 | |
1380 | |
1381 | |
1382 | |
1383 | |
1384 | |
1385 | |
1386 | |
1387 | |
1388 | |
1389 | Qualifiers Quals; |
1390 | |
1391 | ExtQuals *this_() { return this; } |
1392 | |
1393 | public: |
1394 | ExtQuals(const Type *baseType, QualType canon, Qualifiers quals) |
1395 | : ExtQualsTypeCommonBase(baseType, |
1396 | canon.isNull() ? QualType(this_(), 0) : canon), |
1397 | Quals(quals) { |
1398 | assert(Quals.hasNonFastQualifiers() |
1399 | && "ExtQuals created with no fast qualifiers"); |
1400 | assert(!Quals.hasFastQualifiers() |
1401 | && "ExtQuals created with fast qualifiers"); |
1402 | } |
1403 | |
1404 | Qualifiers getQualifiers() const { return Quals; } |
1405 | |
1406 | bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } |
1407 | Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } |
1408 | |
1409 | bool hasObjCLifetime() const { return Quals.hasObjCLifetime(); } |
1410 | Qualifiers::ObjCLifetime getObjCLifetime() const { |
1411 | return Quals.getObjCLifetime(); |
1412 | } |
1413 | |
1414 | bool hasAddressSpace() const { return Quals.hasAddressSpace(); } |
1415 | LangAS getAddressSpace() const { return Quals.getAddressSpace(); } |
1416 | |
1417 | const Type *getBaseType() const { return BaseType; } |
1418 | |
1419 | public: |
1420 | void Profile(llvm::FoldingSetNodeID &ID) const { |
1421 | Profile(ID, getBaseType(), Quals); |
1422 | } |
1423 | |
1424 | static void Profile(llvm::FoldingSetNodeID &ID, |
1425 | const Type *BaseType, |
1426 | Qualifiers Quals) { |
1427 | assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); |
1428 | ID.AddPointer(BaseType); |
1429 | Quals.Profile(ID); |
1430 | } |
1431 | }; |
1432 | |
1433 | |
1434 | |
1435 | |
1436 | enum RefQualifierKind { |
1437 | |
1438 | RQ_None = 0, |
1439 | |
1440 | |
1441 | RQ_LValue, |
1442 | |
1443 | |
1444 | RQ_RValue |
1445 | }; |
1446 | |
1447 | |
1448 | enum class AutoTypeKeyword { |
1449 | |
1450 | Auto, |
1451 | |
1452 | |
1453 | DecltypeAuto, |
1454 | |
1455 | |
1456 | GNUAutoType |
1457 | }; |
1458 | |
1459 | |
1460 | |
1461 | |
1462 | |
1463 | |
1464 | |
1465 | |
1466 | |
1467 | |
1468 | |
1469 | |
1470 | |
1471 | |
1472 | |
1473 | |
1474 | |
1475 | |
1476 | |
1477 | |
1478 | |
1479 | |
1480 | |
1481 | |
1482 | |
1483 | |
1484 | |
1485 | class alignas(8) Type : public ExtQualsTypeCommonBase { |
1486 | public: |
1487 | enum TypeClass { |
1488 | #define TYPE(Class, Base) Class, |
1489 | #define LAST_TYPE(Class) TypeLast = Class |
1490 | #define ABSTRACT_TYPE(Class, Base) |
1491 | #include "clang/AST/TypeNodes.inc" |
1492 | }; |
1493 | |
1494 | private: |
1495 | |
1496 | class TypeBitfields { |
1497 | friend class Type; |
1498 | template <class T> friend class TypePropertyCache; |
1499 | |
1500 | |
1501 | unsigned TC : 8; |
1502 | |
1503 | |
1504 | unsigned Dependence : llvm::BitWidth<TypeDependence>; |
1505 | |
1506 | |
1507 | |
1508 | mutable unsigned CacheValid : 1; |
1509 | |
1510 | |
1511 | mutable unsigned CachedLinkage : 3; |
1512 | |
1513 | |
1514 | mutable unsigned CachedLocalOrUnnamed : 1; |
1515 | |
1516 | |
1517 | mutable unsigned FromAST : 1; |
1518 | |
1519 | bool isCacheValid() const { |
1520 | return CacheValid; |
1521 | } |
1522 | |
1523 | Linkage getLinkage() const { |
1524 | assert(isCacheValid() && "getting linkage from invalid cache"); |
1525 | return static_cast<Linkage>(CachedLinkage); |
1526 | } |
1527 | |
1528 | bool hasLocalOrUnnamedType() const { |
1529 | assert(isCacheValid() && "getting linkage from invalid cache"); |
1530 | return CachedLocalOrUnnamed; |
1531 | } |
1532 | }; |
1533 | enum { NumTypeBits = 8 + llvm::BitWidth<TypeDependence> + 6 }; |
1534 | |
1535 | protected: |
1536 | |
1537 | |
1538 | |
1539 | class ArrayTypeBitfields { |
1540 | friend class ArrayType; |
1541 | |
1542 | unsigned : NumTypeBits; |
1543 | |
1544 | |
1545 | |
1546 | unsigned IndexTypeQuals : 3; |
1547 | |
1548 | |
1549 | |
1550 | |
1551 | unsigned SizeModifier : 3; |
1552 | }; |
1553 | |
1554 | class ConstantArrayTypeBitfields { |
1555 | friend class ConstantArrayType; |
1556 | |
1557 | unsigned : NumTypeBits + 3 + 3; |
1558 | |
1559 | |
1560 | unsigned HasStoredSizeExpr : 1; |
1561 | }; |
1562 | |
1563 | class BuiltinTypeBitfields { |
1564 | friend class BuiltinType; |
1565 | |
1566 | unsigned : NumTypeBits; |
1567 | |
1568 | |
1569 | unsigned Kind : 8; |
1570 | }; |
1571 | |
1572 | |
1573 | |
1574 | |
1575 | class FunctionTypeBitfields { |
1576 | friend class FunctionProtoType; |
1577 | friend class FunctionType; |
1578 | |
1579 | unsigned : NumTypeBits; |
1580 | |
1581 | |
1582 | |
1583 | unsigned ExtInfo : 13; |
1584 | |
1585 | |
1586 | |
1587 | |
1588 | unsigned RefQualifier : 2; |
1589 | |
1590 | |
1591 | |
1592 | |
1593 | |
1594 | |
1595 | |
1596 | unsigned FastTypeQuals : Qualifiers::FastWidth; |
1597 | |
1598 | unsigned HasExtQuals : 1; |
1599 | |
1600 | |
1601 | |
1602 | |
1603 | |
1604 | unsigned NumParams : 16; |
1605 | |
1606 | |
1607 | unsigned ExceptionSpecType : 4; |
1608 | |
1609 | |
1610 | unsigned HasExtParameterInfos : 1; |
1611 | |
1612 | |
1613 | unsigned Variadic : 1; |
1614 | |
1615 | |
1616 | unsigned HasTrailingReturn : 1; |
1617 | }; |
1618 | |
1619 | class ObjCObjectTypeBitfields { |
1620 | friend class ObjCObjectType; |
1621 | |
1622 | unsigned : NumTypeBits; |
1623 | |
1624 | |
1625 | unsigned NumTypeArgs : 7; |
1626 | |
1627 | |
1628 | unsigned NumProtocols : 6; |
1629 | |
1630 | |
1631 | unsigned IsKindOf : 1; |
1632 | }; |
1633 | |
1634 | class ReferenceTypeBitfields { |
1635 | friend class ReferenceType; |
1636 | |
1637 | unsigned : NumTypeBits; |
1638 | |
1639 | |
1640 | |
1641 | |
1642 | |
1643 | |
1644 | |
1645 | |
1646 | |
1647 | |
1648 | |
1649 | |
1650 | unsigned SpelledAsLValue : 1; |
1651 | |
1652 | |
1653 | |
1654 | unsigned InnerRef : 1; |
1655 | }; |
1656 | |
1657 | class TypeWithKeywordBitfields { |
1658 | friend class TypeWithKeyword; |
1659 | |
1660 | unsigned : NumTypeBits; |
1661 | |
1662 | |
1663 | unsigned Keyword : 8; |
1664 | }; |
1665 | |
1666 | enum { NumTypeWithKeywordBits = 8 }; |
1667 | |
1668 | class ElaboratedTypeBitfields { |
1669 | friend class ElaboratedType; |
1670 | |
1671 | unsigned : NumTypeBits; |
1672 | unsigned : NumTypeWithKeywordBits; |
1673 | |
1674 | |
1675 | unsigned HasOwnedTagDecl : 1; |
1676 | }; |
1677 | |
1678 | class VectorTypeBitfields { |
1679 | friend class VectorType; |
1680 | friend class DependentVectorType; |
1681 | |
1682 | unsigned : NumTypeBits; |
1683 | |
1684 | |
1685 | |
1686 | unsigned VecKind : 3; |
1687 | |
1688 | uint32_t NumElements; |
1689 | }; |
1690 | |
1691 | class AttributedTypeBitfields { |
1692 | friend class AttributedType; |
1693 | |
1694 | unsigned : NumTypeBits; |
1695 | |
1696 | |
1697 | unsigned AttrKind : 32 - NumTypeBits; |
1698 | }; |
1699 | |
1700 | class AutoTypeBitfields { |
1701 | friend class AutoType; |
1702 | |
1703 | unsigned : NumTypeBits; |
1704 | |
1705 | |
1706 | |
1707 | unsigned Keyword : 2; |
1708 | |
1709 | |
1710 | |
1711 | |
1712 | |
1713 | |
1714 | |
1715 | |
1716 | unsigned NumArgs; |
1717 | }; |
1718 | |
1719 | class SubstTemplateTypeParmPackTypeBitfields { |
1720 | friend class SubstTemplateTypeParmPackType; |
1721 | |
1722 | unsigned : NumTypeBits; |
1723 | |
1724 | |
1725 | |
1726 | |
1727 | |
1728 | |
1729 | |
1730 | |
1731 | unsigned NumArgs; |
1732 | }; |
1733 | |
1734 | class TemplateSpecializationTypeBitfields { |
1735 | friend class TemplateSpecializationType; |
1736 | |
1737 | unsigned : NumTypeBits; |
1738 | |
1739 | |
1740 | unsigned TypeAlias : 1; |
1741 | |
1742 | |
1743 | |
1744 | |
1745 | |
1746 | |
1747 | |
1748 | |
1749 | unsigned NumArgs; |
1750 | }; |
1751 | |
1752 | class DependentTemplateSpecializationTypeBitfields { |
1753 | friend class DependentTemplateSpecializationType; |
1754 | |
1755 | unsigned : NumTypeBits; |
1756 | unsigned : NumTypeWithKeywordBits; |
1757 | |
1758 | |
1759 | |
1760 | |
1761 | |
1762 | |
1763 | |
1764 | |
1765 | unsigned NumArgs; |
1766 | }; |
1767 | |
1768 | class PackExpansionTypeBitfields { |
1769 | friend class PackExpansionType; |
1770 | |
1771 | unsigned : NumTypeBits; |
1772 | |
1773 | |
1774 | |
1775 | |
1776 | |
1777 | |
1778 | |
1779 | |
1780 | |
1781 | |
1782 | |
1783 | |
1784 | unsigned NumExpansions; |
1785 | }; |
1786 | |
1787 | union { |
1788 | TypeBitfields TypeBits; |
1789 | ArrayTypeBitfields ArrayTypeBits; |
1790 | ConstantArrayTypeBitfields ConstantArrayTypeBits; |
1791 | AttributedTypeBitfields AttributedTypeBits; |
1792 | AutoTypeBitfields AutoTypeBits; |
1793 | BuiltinTypeBitfields BuiltinTypeBits; |
1794 | FunctionTypeBitfields FunctionTypeBits; |
1795 | ObjCObjectTypeBitfields ObjCObjectTypeBits; |
1796 | ReferenceTypeBitfields ReferenceTypeBits; |
1797 | TypeWithKeywordBitfields TypeWithKeywordBits; |
1798 | ElaboratedTypeBitfields ElaboratedTypeBits; |
1799 | VectorTypeBitfields VectorTypeBits; |
1800 | SubstTemplateTypeParmPackTypeBitfields SubstTemplateTypeParmPackTypeBits; |
1801 | TemplateSpecializationTypeBitfields TemplateSpecializationTypeBits; |
1802 | DependentTemplateSpecializationTypeBitfields |
1803 | DependentTemplateSpecializationTypeBits; |
1804 | PackExpansionTypeBitfields PackExpansionTypeBits; |
1805 | }; |
1806 | |
1807 | private: |
1808 | template <class T> friend class TypePropertyCache; |
1809 | |
1810 | |
1811 | void setFromAST(bool V = true) const { |
1812 | TypeBits.FromAST = V; |
1813 | } |
1814 | |
1815 | protected: |
1816 | friend class ASTContext; |
1817 | |
1818 | Type(TypeClass tc, QualType canon, TypeDependence Dependence) |
1819 | : ExtQualsTypeCommonBase(this, |
1820 | canon.isNull() ? QualType(this_(), 0) : canon) { |
1821 | static_assert(sizeof(*this) <= 8 + sizeof(ExtQualsTypeCommonBase), |
1822 | "changing bitfields changed sizeof(Type)!"); |
1823 | static_assert(alignof(decltype(*this)) % sizeof(void *) == 0, |
1824 | "Insufficient alignment!"); |
1825 | TypeBits.TC = tc; |
1826 | TypeBits.Dependence = static_cast<unsigned>(Dependence); |
1827 | TypeBits.CacheValid = false; |
1828 | TypeBits.CachedLocalOrUnnamed = false; |
1829 | TypeBits.CachedLinkage = NoLinkage; |
1830 | TypeBits.FromAST = false; |
1831 | } |
1832 | |
1833 | |
1834 | Type *this_() { return this; } |
1835 | |
1836 | void setDependence(TypeDependence D) { |
1837 | TypeBits.Dependence = static_cast<unsigned>(D); |
1838 | } |
1839 | |
1840 | void addDependence(TypeDependence D) { setDependence(getDependence() | D); } |
1841 | |
1842 | public: |
1843 | friend class ASTReader; |
1844 | friend class ASTWriter; |
1845 | template <class T> friend class serialization::AbstractTypeReader; |
1846 | template <class T> friend class serialization::AbstractTypeWriter; |
1847 | |
1848 | Type(const Type &) = delete; |
1849 | Type(Type &&) = delete; |
1850 | Type &operator=(const Type &) = delete; |
1851 | Type &operator=(Type &&) = delete; |
1852 | |
1853 | TypeClass getTypeClass() const { return static_cast<TypeClass>(TypeBits.TC); } |
1854 | |
1855 | |
1856 | bool isFromAST() const { return TypeBits.FromAST; } |
1857 | |
1858 | |
1859 | |
1860 | |
1861 | |
1862 | |
1863 | |
1864 | |
1865 | |
1866 | |
1867 | |
1868 | |
1869 | |
1870 | |
1871 | |
1872 | |
1873 | bool containsUnexpandedParameterPack() const { |
1874 | return getDependence() & TypeDependence::UnexpandedPack; |
1875 | } |
1876 | |
1877 | |
1878 | |
1879 | bool isCanonicalUnqualified() const { |
1880 | return CanonicalType == QualType(this, 0); |
1881 | } |
1882 | |
1883 | |
1884 | |
1885 | |
1886 | QualType getLocallyUnqualifiedSingleStepDesugaredType() const; |
1887 | |
1888 | |
1889 | |
1890 | |
1891 | |
1892 | |
1893 | |
1894 | bool isSizelessType() const; |
1895 | bool isSizelessBuiltinType() const; |
1896 | |
1897 | |
1898 | |
1899 | |
1900 | bool isVLSTBuiltinType() const; |
1901 | |
1902 | |
1903 | |
1904 | |
1905 | QualType getSveEltType(const ASTContext &Ctx) const; |
1906 | |
1907 | |
1908 | |
1909 | |
1910 | |
1911 | |
1912 | |
1913 | |
1914 | |
1915 | |
1916 | |
1917 | |
1918 | bool isIncompleteType(NamedDecl **Def = nullptr) const; |
1919 | |
1920 | |
1921 | |
1922 | bool isIncompleteOrObjectType() const { |
1923 | return !isFunctionType(); |
1924 | } |
1925 | |
1926 | |
1927 | bool isObjectType() const { |
1928 | |
1929 | |
1930 | |
1931 | return !isReferenceType() && !isFunctionType() && !isVoidType(); |
1932 | } |
1933 | |
1934 | |
1935 | |
1936 | bool isLiteralType(const ASTContext &Ctx) const; |
1937 | |
1938 | |
1939 | bool isStructuralType() const; |
1940 | |
1941 | |
1942 | |
1943 | bool isStandardLayoutType() const; |
1944 | |
1945 | |
1946 | |
1947 | |
1948 | |
1949 | bool isBuiltinType() const; |
1950 | |
1951 | |
1952 | bool isSpecificBuiltinType(unsigned K) const; |
1953 | |
1954 | |
1955 | |
1956 | |
1957 | bool isPlaceholderType() const; |
1958 | const BuiltinType *getAsPlaceholderType() const; |
1959 | |
1960 | |
1961 | bool isSpecificPlaceholderType(unsigned K) const; |
1962 | |
1963 | |
1964 | |
1965 | bool isNonOverloadPlaceholderType() const; |
1966 | |
1967 | |
1968 | |
1969 | bool isIntegerType() const; |
1970 | bool isEnumeralType() const; |
1971 | |
1972 | |
1973 | bool isScopedEnumeralType() const; |
1974 | bool isBooleanType() const; |
1975 | bool isCharType() const; |
1976 | bool isWideCharType() const; |
1977 | bool isChar8Type() const; |
1978 | bool isChar16Type() const; |
1979 | bool isChar32Type() const; |
1980 | bool isAnyCharacterType() const; |
1981 | bool isIntegralType(const ASTContext &Ctx) const; |
1982 | |
1983 | |
1984 | bool isIntegralOrEnumerationType() const; |
1985 | |
1986 | |
1987 | bool isIntegralOrUnscopedEnumerationType() const; |
1988 | bool isUnscopedEnumerationType() const; |
1989 | |
1990 | |
1991 | bool isRealFloatingType() const; |
1992 | |
1993 | |
1994 | bool isComplexType() const; |
1995 | bool isAnyComplexType() const; |
1996 | bool isFloatingType() const; |
1997 | bool isHalfType() const; |
1998 | bool isFloat16Type() const; |
1999 | bool isBFloat16Type() const; |
2000 | bool isFloat128Type() const; |
2001 | bool isRealType() const; |
2002 | bool isArithmeticType() const; |
2003 | bool isVoidType() const; |
2004 | bool isScalarType() const; |
2005 | bool isAggregateType() const; |
2006 | bool isFundamentalType() const; |
2007 | bool isCompoundType() const; |
2008 | |
2009 | |
2010 | |
2011 | bool isFunctionType() const; |
2012 | bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } |
2013 | bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } |
2014 | bool isPointerType() const; |
2015 | bool isAnyPointerType() const; |
2016 | bool isBlockPointerType() const; |
2017 | bool isVoidPointerType() const; |
2018 | bool isReferenceType() const; |
2019 | bool isLValueReferenceType() const; |
2020 | bool isRValueReferenceType() const; |
2021 | bool isObjectPointerType() const; |
2022 | bool isFunctionPointerType() const; |
2023 | bool isFunctionReferenceType() const; |
2024 | bool isMemberPointerType() const; |
2025 | bool isMemberFunctionPointerType() const; |
2026 | bool isMemberDataPointerType() const; |
2027 | bool isArrayType() const; |
2028 | bool isConstantArrayType() const; |
2029 | bool isIncompleteArrayType() const; |
2030 | bool isVariableArrayType() const; |
2031 | bool isDependentSizedArrayType() const; |
2032 | bool isRecordType() const; |
2033 | bool isClassType() const; |
2034 | bool isStructureType() const; |
2035 | bool isObjCBoxableRecordType() const; |
2036 | bool isInterfaceType() const; |
2037 | bool isStructureOrClassType() const; |
2038 | bool isUnionType() const; |
2039 | bool isComplexIntegerType() const; |
2040 | bool isVectorType() const; |
2041 | bool isExtVectorType() const; |
2042 | bool isMatrixType() const; |
2043 | bool isConstantMatrixType() const; |
2044 | bool isDependentAddressSpaceType() const; |
2045 | bool isObjCObjectPointerType() const; |
2046 | bool isObjCRetainableType() const; |
2047 | bool isObjCLifetimeType() const; |
2048 | bool isObjCIndirectLifetimeType() const; |
2049 | bool isObjCNSObjectType() const; |
2050 | bool isObjCIndependentClassType() const; |
2051 | |
2052 | |
2053 | bool isObjCObjectType() const; |
2054 | bool isObjCQualifiedInterfaceType() const; |
2055 | bool isObjCQualifiedIdType() const; |
2056 | bool isObjCQualifiedClassType() const; |
2057 | bool isObjCObjectOrInterfaceType() const; |
2058 | bool isObjCIdType() const; |
2059 | bool isDecltypeType() const; |
2060 | |
2061 | |
2062 | |
2063 | |
2064 | |
2065 | |
2066 | bool isObjCInertUnsafeUnretainedType() const { |
2067 | return hasAttr(attr::ObjCInertUnsafeUnretained); |
2068 | } |
2069 | |
2070 | |
2071 | |
2072 | |
2073 | |
2074 | |
2075 | |
2076 | |
2077 | bool isObjCIdOrObjectKindOfType(const ASTContext &ctx, |
2078 | const ObjCObjectType *&bound) const; |
2079 | |
2080 | bool isObjCClassType() const; |
2081 | |
2082 | |
2083 | |
2084 | |
2085 | |
2086 | |
2087 | |
2088 | bool isObjCClassOrClassKindOfType() const; |
2089 | |
2090 | bool isBlockCompatibleObjCPointerType(ASTContext &ctx) const; |
2091 | bool isObjCSelType() const; |
2092 | bool isObjCBuiltinType() const; |
2093 | bool isObjCARCBridgableType() const; |
2094 | bool isCARCBridgableType() const; |
2095 | bool isTemplateTypeParmType() const; |
2096 | bool isNullPtrType() const; |
2097 | bool isNothrowT() const; |
2098 | bool isAlignValT() const; |
2099 | bool isStdByteType() const; |
2100 | bool isAtomicType() const; |
2101 | bool isUndeducedAutoType() const; |
2102 | |
2103 | bool isTypedefNameType() const; |
2104 | |
2105 | #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \ |
2106 | bool is##Id##Type() const; |
2107 | #include "clang/Basic/OpenCLImageTypes.def" |
2108 | |
2109 | bool isImageType() const; |
2110 | |
2111 | bool isSamplerT() const; |
2112 | bool isEventT() const; |
2113 | bool isClkEventT() const; |
2114 | bool isQueueT() const; |
2115 | bool isReserveIDT() const; |
2116 | |
2117 | #define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \ |
2118 | bool is##Id##Type() const; |
2119 | #include "clang/Basic/OpenCLExtensionTypes.def" |
2120 | |
2121 | bool isOCLIntelSubgroupAVCType() const; |
2122 | bool isOCLExtOpaqueType() const; |
2123 | |
2124 | bool isPipeType() const; |
2125 | bool isExtIntType() const; |
2126 | bool isOpenCLSpecificType() const; |
2127 | |
2128 | |
2129 | |
2130 | |
2131 | bool isObjCARCImplicitlyUnretainedType() const; |
2132 | |
2133 | |
2134 | bool isCUDADeviceBuiltinSurfaceType() const; |
2135 | |
2136 | bool isCUDADeviceBuiltinTextureType() const; |
2137 | |
2138 | |
2139 | Qualifiers::ObjCLifetime getObjCARCImplicitLifetime() const; |
2140 | |
2141 | enum ScalarTypeKind { |
2142 | STK_CPointer, |
2143 | STK_BlockPointer, |
2144 | STK_ObjCObjectPointer, |
2145 | STK_MemberPointer, |
2146 | STK_Bool, |
2147 | STK_Integral, |
2148 | STK_Floating, |
2149 | STK_IntegralComplex, |
2150 | STK_FloatingComplex, |
2151 | STK_FixedPoint |
2152 | }; |
2153 | |
2154 | |
2155 | ScalarTypeKind getScalarTypeKind() const; |
2156 | |
2157 | TypeDependence getDependence() const { |
2158 | return static_cast<TypeDependence>(TypeBits.Dependence); |
2159 | } |
2160 | |
2161 | |
2162 | bool containsErrors() const { |
2163 | return getDependence() & TypeDependence::Error; |
2164 | } |
2165 | |
2166 | |
2167 | |
2168 | bool isDependentType() const { |
2169 | return getDependence() & TypeDependence::Dependent; |
2170 | } |
2171 | |
2172 | |
2173 | |
2174 | |
2175 | |
2176 | bool isInstantiationDependentType() const { |
2177 | return getDependence() & TypeDependence::Instantiation; |
2178 | } |
2179 | |
2180 | |
2181 | |
2182 | |
2183 | bool isUndeducedType() const; |
2184 | |
2185 | |
2186 | bool isVariablyModifiedType() const { |
2187 | return getDependence() & TypeDependence::VariablyModified; |
2188 | } |
2189 | |
2190 | |
2191 | |
2192 | bool hasSizedVLAType() const; |
2193 | |
2194 | |
2195 | bool hasUnnamedOrLocalType() const; |
2196 | |
2197 | bool isOverloadableType() const; |
2198 | |
2199 | |
2200 | bool isElaboratedTypeSpecifier() const; |
2201 | |
2202 | bool canDecayToPointerType() const; |
2203 | |
2204 | |
2205 | |
2206 | |
2207 | bool hasPointerRepresentation() const; |
2208 | |
2209 | |
2210 | |
2211 | bool hasObjCPointerRepresentation() const; |
2212 | |
2213 | |
2214 | |
2215 | bool hasIntegerRepresentation() const; |
2216 | |
2217 | |
2218 | |
2219 | bool hasSignedIntegerRepresentation() const; |
2220 | |
2221 | |
2222 | |
2223 | bool hasUnsignedIntegerRepresentation() const; |
2224 | |
2225 | |
2226 | |
2227 | bool hasFloatingRepresentation() const; |
2228 | |
2229 | |
2230 | |
2231 | |
2232 | const RecordType *getAsStructureType() const; |
2233 | |
2234 | const RecordType *getAsUnionType() const; |
2235 | const ComplexType *getAsComplexIntegerType() const; |
2236 | const ObjCObjectType *getAsObjCInterfaceType() const; |
2237 | |
2238 | |
2239 | |
2240 | const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; |
2241 | const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; |
2242 | const ObjCObjectPointerType *getAsObjCQualifiedClassType() const; |
2243 | const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; |
2244 | |
2245 | |
2246 | |
2247 | |
2248 | CXXRecordDecl *getAsCXXRecordDecl() const; |
2249 | |
2250 | |
2251 | RecordDecl *getAsRecordDecl() const; |
2252 | |
2253 | |
2254 | |
2255 | |
2256 | TagDecl *getAsTagDecl() const; |
2257 | |
2258 | |
2259 | |
2260 | |
2261 | |
2262 | |
2263 | const CXXRecordDecl *getPointeeCXXRecordDecl() const; |
2264 | |
2265 | |
2266 | |
2267 | |
2268 | DeducedType *getContainedDeducedType() const; |
2269 | |
2270 | |
2271 | |
2272 | |
2273 | AutoType *getContainedAutoType() const { |
2274 | return dyn_cast_or_null<AutoType>(getContainedDeducedType()); |
2275 | } |
2276 | |
2277 | |
2278 | |
2279 | |
2280 | bool hasAutoForTrailingReturnType() const; |
2281 | |
2282 | |
2283 | |
2284 | |
2285 | |
2286 | |
2287 | |
2288 | template <typename T> const T *getAs() const; |
2289 | |
2290 | |
2291 | |
2292 | |
2293 | |
2294 | |
2295 | template <typename T> const T *getAsAdjusted() const; |
2296 | |
2297 | |
2298 | |
2299 | const ArrayType *getAsArrayTypeUnsafe() const; |
2300 | |
2301 | |
2302 | |
2303 | |
2304 | |
2305 | |
2306 | |
2307 | template <typename T> const T *castAs() const; |
2308 | |
2309 | |
2310 | |
2311 | const ArrayType *castAsArrayTypeUnsafe() const; |
2312 | |
2313 | |
2314 | |
2315 | bool hasAttr(attr::Kind AK) const; |
2316 | |
2317 | |
2318 | |
2319 | |
2320 | const Type *getBaseElementTypeUnsafe() const; |
2321 | |
2322 | |
2323 | |
2324 | |
2325 | const Type *getArrayElementTypeNoTypeQual() const; |
2326 | |
2327 | |
2328 | |
2329 | |
2330 | const Type *getPointeeOrArrayElementType() const; |
2331 | |
2332 | |
2333 | |
2334 | QualType getPointeeType() const; |
2335 | |
2336 | |
2337 | |
2338 | const Type *getUnqualifiedDesugaredType() const; |
2339 | |
2340 | |
2341 | bool isPromotableIntegerType() const; |
2342 | |
2343 | |
2344 | |
2345 | |
2346 | bool isSignedIntegerType() const; |
2347 | |
2348 | |
2349 | |
2350 | |
2351 | bool isUnsignedIntegerType() const; |
2352 | |
2353 | |
2354 | |
2355 | bool isSignedIntegerOrEnumerationType() const; |
2356 | |
2357 | |
2358 | |
2359 | bool isUnsignedIntegerOrEnumerationType() const; |
2360 | |
2361 | |
2362 | |
2363 | bool isFixedPointType() const; |
2364 | |
2365 | |
2366 | bool isFixedPointOrIntegerType() const; |
2367 | |
2368 | |
2369 | |
2370 | bool isSaturatedFixedPointType() const; |
2371 | |
2372 | |
2373 | |
2374 | bool isUnsaturatedFixedPointType() const; |
2375 | |
2376 | |
2377 | |
2378 | bool isSignedFixedPointType() const; |
2379 | |
2380 | |
2381 | |
2382 | bool isUnsignedFixedPointType() const; |
2383 | |
2384 | |
2385 | |
2386 | |
2387 | bool isConstantSizeType() const; |
2388 | |
2389 | |
2390 | |
2391 | bool isSpecifierType() const; |
2392 | |
2393 | |
2394 | Linkage getLinkage() const; |
2395 | |
2396 | |
2397 | Visibility getVisibility() const { |
2398 | return getLinkageAndVisibility().getVisibility(); |
2399 | } |
2400 | |
2401 | |
2402 | bool isVisibilityExplicit() const { |
2403 | return getLinkageAndVisibility().isVisibilityExplicit(); |
2404 | } |
2405 | |
2406 | |
2407 | LinkageInfo getLinkageAndVisibility() const; |
2408 | |
2409 | |
2410 | |
2411 | bool isLinkageValid() const; |
2412 | |
2413 | |
2414 | |
2415 | |
2416 | |
2417 | |
2418 | Optional<NullabilityKind> getNullability(const ASTContext &context) const; |
2419 | |
2420 | |
2421 | |
2422 | |
2423 | |
2424 | |
2425 | bool canHaveNullability(bool ResultIfUnknown = true) const; |
2426 | |
2427 | |
2428 | |
2429 | |
2430 | |
2431 | |
2432 | |
2433 | |
2434 | |
2435 | |
2436 | |
2437 | |
2438 | |
2439 | |
2440 | |
2441 | |
2442 | Optional<ArrayRef<QualType>> |
2443 | getObjCSubstitutions(const DeclContext *dc) const; |
2444 | |
2445 | |
2446 | |
2447 | bool acceptsObjCTypeParams() const; |
2448 | |
2449 | const char *getTypeClassName() const; |
2450 | |
2451 | QualType getCanonicalTypeInternal() const { |
2452 | return CanonicalType; |
2453 | } |
2454 | |
2455 | CanQualType getCanonicalTypeUnqualified() const; |
2456 | void dump() const; |
2457 | void dump(llvm::raw_ostream &OS, const ASTContext &Context) const; |
2458 | }; |
2459 | |
2460 | |
2461 | |
2462 | template <> const TypedefType *Type::getAs() const; |
2463 | |
2464 | |
2465 | |
2466 | |
2467 | template <> const TemplateSpecializationType *Type::getAs() const; |
2468 | |
2469 | |
2470 | |
2471 | template <> const AttributedType *Type::getAs() const; |
2472 | |
2473 | |
2474 | |
2475 | #define TYPE(Class, Base) |
2476 | #define LEAF_TYPE(Class) \ |
2477 | template <> inline const Class##Type *Type::getAs() const { \ |
2478 | return dyn_cast<Class##Type>(CanonicalType); \ |
2479 | } \ |
2480 | template <> inline const Class##Type *Type::castAs() const { \ |
2481 | return cast<Class##Type>(CanonicalType); \ |
2482 | } |
2483 | #include "clang/AST/TypeNodes.inc" |
2484 | |
2485 | |
2486 | |
2487 | class BuiltinType : public Type { |
2488 | public: |
2489 | enum Kind { |
2490 | |
2491 | #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) Id, |
2492 | #include "clang/Basic/OpenCLImageTypes.def" |
2493 | |
2494 | #define EXT_OPAQUE_TYPE(ExtType, Id, Ext) Id, |
2495 | #include "clang/Basic/OpenCLExtensionTypes.def" |
2496 | |
2497 | #define SVE_TYPE(Name, Id, SingletonId) Id, |
2498 | #include "clang/Basic/AArch64SVEACLETypes.def" |
2499 | |
2500 | #define PPC_VECTOR_TYPE(Name, Id, Size) Id, |
2501 | #include "clang/Basic/PPCTypes.def" |
2502 | |
2503 | #define RVV_TYPE(Name, Id, SingletonId) Id, |
2504 | #include "clang/Basic/RISCVVTypes.def" |
2505 | |
2506 | #define BUILTIN_TYPE(Id, SingletonId) Id, |
2507 | #define LAST_BUILTIN_TYPE(Id) LastKind = Id |
2508 | #include "clang/AST/BuiltinTypes.def" |
2509 | }; |
2510 | |
2511 | private: |
2512 | friend class ASTContext; |
2513 | |
2514 | BuiltinType(Kind K) |
2515 | : Type(Builtin, QualType(), |
2516 | K == Dependent ? TypeDependence::DependentInstantiation |
2517 | : TypeDependence::None) { |
2518 | BuiltinTypeBits.Kind = K; |
2519 | } |
2520 | |
2521 | public: |
2522 | Kind getKind() const { return static_cast<Kind>(BuiltinTypeBits.Kind); } |
2523 | StringRef getName(const PrintingPolicy &Policy) const; |
2524 | |
2525 | const char *getNameAsCString(const PrintingPolicy &Policy) const { |
2526 | |
2527 | StringRef str = getName(Policy); |
2528 | assert(!str.empty() && str.data()[str.size()] == '\0'); |
2529 | return str.data(); |
2530 | } |
2531 | |
2532 | bool isSugared() const { return false; } |
2533 | QualType desugar() const { return QualType(this, 0); } |
2534 | |
2535 | bool isInteger() const { |
2536 | return getKind() >= Bool && getKind() <= Int128; |
2537 | } |
2538 | |
2539 | bool isSignedInteger() const { |
2540 | return getKind() >= Char_S && getKind() <= Int128; |
2541 | } |
2542 | |
2543 | bool isUnsignedInteger() const { |
2544 | return getKind() >= Bool && getKind() <= UInt128; |
2545 | } |
2546 | |
2547 | bool isFloatingPoint() const { |
2548 | return getKind() >= Half && getKind() <= Float128; |
2549 | } |
2550 | |
2551 | |
2552 | static bool isPlaceholderTypeKind(Kind K) { |
2553 | return K >= Overload; |
2554 | } |
2555 | |
2556 | |
2557 | |
2558 | |
2559 | bool isPlaceholderType() const { |
2560 | return isPlaceholderTypeKind(getKind()); |
2561 | } |
2562 | |
2563 | |
2564 | |
2565 | |
2566 | |
2567 | |
2568 | |
2569 | |
2570 | |
2571 | |
2572 | bool isNonOverloadPlaceholderType() const { |
2573 | return getKind() > Overload; |
2574 | } |
2575 | |
2576 | static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } |
2577 | }; |
2578 | |
2579 | |
2580 | |
2581 | class ComplexType : public Type, public llvm::FoldingSetNode { |
2582 | friend class ASTContext; |
2583 | |
2584 | QualType ElementType; |
2585 | |
2586 | ComplexType(QualType Element, QualType CanonicalPtr) |
2587 | : Type(Complex, CanonicalPtr, Element->getDependence()), |
2588 | ElementType(Element) {} |
2589 | |
2590 | public: |
2591 | QualType getElementType() const { return ElementType; } |
2592 | |
2593 | bool isSugared() const { return false; } |
2594 | QualType desugar() const { return QualType(this, 0); } |
2595 | |
2596 | void Profile(llvm::FoldingSetNodeID &ID) { |
2597 | Profile(ID, getElementType()); |
2598 | } |
2599 | |
2600 | static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { |
2601 | ID.AddPointer(Element.getAsOpaquePtr()); |
2602 | } |
2603 | |
2604 | static bool classof(const Type *T) { return T->getTypeClass() == Complex; } |
2605 | }; |
2606 | |
2607 | |
2608 | class ParenType : public Type, public llvm::FoldingSetNode { |
2609 | friend class ASTContext; |
2610 | |
2611 | QualType Inner; |
2612 | |
2613 | ParenType(QualType InnerType, QualType CanonType) |
2614 | : Type(Paren, CanonType, InnerType->getDependence()), Inner(InnerType) {} |
2615 | |
2616 | public: |
2617 | QualType getInnerType() const { return Inner; } |
2618 | |
2619 | bool isSugared() const { return true; } |
2620 | QualType desugar() const { return getInnerType(); } |
2621 | |
2622 | void Profile(llvm::FoldingSetNodeID &ID) { |
2623 | Profile(ID, getInnerType()); |
2624 | } |
2625 | |
2626 | static void Profile(llvm::FoldingSetNodeID &ID, QualType Inner) { |
2627 | Inner.Profile(ID); |
2628 | } |
2629 | |
2630 | static bool classof(const Type *T) { return T->getTypeClass() == Paren; } |
2631 | }; |
2632 | |
2633 | |
2634 | class PointerType : public Type, public llvm::FoldingSetNode { |
2635 | friend class ASTContext; |
2636 | |
2637 | QualType PointeeType; |
2638 | |
2639 | PointerType(QualType Pointee, QualType CanonicalPtr) |
2640 | : Type(Pointer, CanonicalPtr, Pointee->getDependence()), |
2641 | PointeeType(Pointee) {} |
2642 | |
2643 | public: |
2644 | QualType getPointeeType() const { return PointeeType; } |
2645 | |
2646 | bool isSugared() const { return false; } |
2647 | QualType desugar() const { return QualType(this, 0); } |
2648 | |
2649 | void Profile(llvm::FoldingSetNodeID &ID) { |
2650 | Profile(ID, getPointeeType()); |
2651 | } |
2652 | |
2653 | static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { |
2654 | ID.AddPointer(Pointee.getAsOpaquePtr()); |
2655 | } |
2656 | |
2657 | static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } |
2658 | }; |
2659 | |
2660 | |
2661 | |
2662 | |
2663 | class AdjustedType : public Type, public llvm::FoldingSetNode { |
2664 | QualType OriginalTy; |
2665 | QualType AdjustedTy; |
2666 | |
2667 | protected: |
2668 | friend class ASTContext; |
2669 | |
2670 | AdjustedType(TypeClass TC, QualType OriginalTy, QualType AdjustedTy, |
2671 | QualType CanonicalPtr) |
2672 | : Type(TC, CanonicalPtr, OriginalTy->getDependence()), |
2673 | OriginalTy(OriginalTy), AdjustedTy(AdjustedTy) {} |
2674 | |
2675 | public: |
2676 | QualType getOriginalType() const { return OriginalTy; } |
2677 | QualType getAdjustedType() const { return AdjustedTy; } |
2678 | |
2679 | bool isSugared() const { return true; } |
2680 | QualType desugar() const { return AdjustedTy; } |
2681 | |
2682 | void Profile(llvm::FoldingSetNodeID &ID) { |
2683 | Profile(ID, OriginalTy, AdjustedTy); |
2684 | } |
2685 | |
2686 | static void Profile(llvm::FoldingSetNodeID &ID, QualType Orig, QualType New) { |
2687 | ID.AddPointer(Orig.getAsOpaquePtr()); |
2688 | ID.AddPointer(New.getAsOpaquePtr()); |
2689 | } |
2690 | |
2691 | static bool classof(const Type *T) { |
2692 | return T->getTypeClass() == Adjusted || T->getTypeClass() == Decayed; |
2693 | } |
2694 | }; |
2695 | |
2696 | |
2697 | class DecayedType : public AdjustedType { |
2698 | friend class ASTContext; |
2699 | |
2700 | inline |
2701 | DecayedType(QualType OriginalType, QualType Decayed, QualType Canonical); |
2702 | |
2703 | public: |
2704 | QualType getDecayedType() const { return getAdjustedType(); } |
2705 | |
2706 | inline QualType getPointeeType() const; |
2707 | |
2708 | static bool classof(const Type *T) { return T->getTypeClass() == Decayed; } |
2709 | }; |
2710 | |
2711 | |
2712 | |
2713 | |
2714 | class BlockPointerType : public Type, public llvm::FoldingSetNode { |
2715 | friend class ASTContext; |
2716 | |
2717 | |
2718 | QualType PointeeType; |
2719 | |
2720 | BlockPointerType(QualType Pointee, QualType CanonicalCls) |
2721 | : Type(BlockPointer, CanonicalCls, Pointee->getDependence()), |
2722 | PointeeType(Pointee) {} |
2723 | |
2724 | public: |
2725 | |
2726 | QualType getPointeeType() const { return PointeeType; } |
2727 | |
2728 | bool isSugared() const { return false; } |
2729 | QualType desugar() const { return QualType(this, 0); } |
2730 | |
2731 | void Profile(llvm::FoldingSetNodeID &ID) { |
2732 | Profile(ID, getPointeeType()); |
2733 | } |
2734 | |
2735 | static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { |
2736 | ID.AddPointer(Pointee.getAsOpaquePtr()); |
2737 | } |
2738 | |
2739 | static bool classof(const Type *T) { |
2740 | return T->getTypeClass() == BlockPointer; |
2741 | } |
2742 | }; |
2743 | |
2744 | |
2745 | class ReferenceType : public Type, public llvm::FoldingSetNode { |
2746 | QualType PointeeType; |
2747 | |
2748 | protected: |
2749 | ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, |
2750 | bool SpelledAsLValue) |
2751 | : Type(tc, CanonicalRef, Referencee->getDependence()), |
2752 | PointeeType(Referencee) { |
2753 | ReferenceTypeBits.SpelledAsLValue = SpelledAsLValue; |
2754 | ReferenceTypeBits.InnerRef = Referencee->isReferenceType(); |
2755 | } |
2756 | |
2757 | public: |
2758 | bool isSpelledAsLValue() const { return ReferenceTypeBits.SpelledAsLValue; } |
2759 | bool isInnerRef() const { return ReferenceTypeBits.InnerRef; } |
2760 | |
2761 | QualType getPointeeTypeAsWritten() const { return PointeeType; } |
2762 | |
2763 | QualType getPointeeType() const { |
2764 | |
2765 | const ReferenceType *T = this; |
2766 | while (T->isInnerRef()) |
2767 | T = T->PointeeType->castAs<ReferenceType>(); |
2768 | return T->PointeeType; |
2769 | } |
2770 | |
2771 | void Profile(llvm::FoldingSetNodeID &ID) { |
2772 | Profile(ID, PointeeType, isSpelledAsLValue()); |
2773 | } |
2774 | |
2775 | static void Profile(llvm::FoldingSetNodeID &ID, |
2776 | QualType Referencee, |
2777 | bool SpelledAsLValue) { |
2778 | ID.AddPointer(Referencee.getAsOpaquePtr()); |
2779 | ID.AddBoolean(SpelledAsLValue); |
2780 | } |
2781 | |
2782 | static bool classof(const Type *T) { |
2783 | return T->getTypeClass() == LValueReference || |
2784 | T->getTypeClass() == RValueReference; |
2785 | } |
2786 | }; |
2787 | |
2788 | |
2789 | class LValueReferenceType : public ReferenceType { |
2790 | friend class ASTContext; |
2791 | |
2792 | LValueReferenceType(QualType Referencee, QualType CanonicalRef, |
2793 | bool SpelledAsLValue) |
2794 | : ReferenceType(LValueReference, Referencee, CanonicalRef, |
2795 | SpelledAsLValue) {} |
2796 | |
2797 | public: |
2798 | bool isSugared() const { return false; } |
2799 | QualType desugar() const { return QualType(this, 0); } |
2800 | |
2801 | static bool classof(const Type *T) { |
2802 | return T->getTypeClass() == LValueReference; |
2803 | } |
2804 | }; |
2805 | |
2806 | |
2807 | class RValueReferenceType : public ReferenceType { |
2808 | friend class ASTContext; |
2809 | |
2810 | RValueReferenceType(QualType Referencee, QualType CanonicalRef) |
2811 | : ReferenceType(RValueReference, Referencee, CanonicalRef, false) {} |
2812 | |
2813 | public: |
2814 | bool isSugared() const { return false; } |
2815 | QualType desugar() const { return QualType(this, 0); } |
2816 | |
2817 | static bool classof(const Type *T) { |
2818 | return T->getTypeClass() == RValueReference; |
2819 | } |
2820 | }; |
2821 | |
2822 | |
2823 | |
2824 | |
2825 | class MemberPointerType : public Type, public llvm::FoldingSetNode { |
2826 | friend class ASTContext; |
2827 | |
2828 | QualType PointeeType; |
2829 | |
2830 | |
2831 | |
2832 | const Type *Class; |
2833 | |
2834 | MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) |
2835 | : Type(MemberPointer, CanonicalPtr, |
2836 | (Cls->getDependence() & ~TypeDependence::VariablyModified) | |
2837 | Pointee->getDependence()), |
2838 | PointeeType(Pointee), Class(Cls) {} |
2839 | |
2840 | public: |
2841 | QualType getPointeeType() const { return PointeeType; } |
2842 | |
2843 | |
2844 | |
2845 | bool isMemberFunctionPointer() const { |
2846 | return PointeeType->isFunctionProtoType(); |
2847 | } |
2848 | |
2849 | |
2850 | |
2851 | bool isMemberDataPointer() const { |
2852 | return !PointeeType->isFunctionProtoType(); |
2853 | } |
2854 | |
2855 | const Type *getClass() const { return Class; } |
2856 | CXXRecordDecl *getMostRecentCXXRecordDecl() const; |
2857 | |
2858 | bool isSugared() const { return false; } |
2859 | QualType desugar() const { return QualType(this, 0); } |
2860 | |
2861 | void Profile(llvm::FoldingSetNodeID &ID) { |
2862 | Profile(ID, getPointeeType(), getClass()); |
2863 | } |
2864 | |
2865 | static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, |
2866 | const Type *Class) { |
2867 | ID.AddPointer(Pointee.getAsOpaquePtr()); |
2868 | ID.AddPointer(Class); |
2869 | } |
2870 | |
2871 | static bool classof(const Type *T) { |
2872 | return T->getTypeClass() == MemberPointer; |
2873 | } |
2874 | }; |
2875 | |
2876 | |
2877 | class ArrayType : public Type, public llvm::FoldingSetNode { |
2878 | public: |
2879 | |
2880 | |
2881 | |
2882 | |
2883 | enum ArraySizeModifier { |
2884 | Normal, Static, Star |
2885 | }; |
2886 | |
2887 | private: |
2888 | |
2889 | QualType ElementType; |
2890 | |
2891 | protected: |
2892 | friend class ASTContext; |
2893 | |
2894 | ArrayType(TypeClass tc, QualType et, QualType can, ArraySizeModifier sm, |
2895 | unsigned tq, const Expr *sz = nullptr); |
2896 | |
2897 | public: |
2898 | QualType getElementType() const { return ElementType; } |
2899 | |
2900 | ArraySizeModifier getSizeModifier() const { |
2901 | return ArraySizeModifier(ArrayTypeBits.SizeModifier); |
2902 | } |
2903 | |
2904 | Qualifiers getIndexTypeQualifiers() const { |
2905 | return Qualifiers::fromCVRMask(getIndexTypeCVRQualifiers()); |
2906 | } |
2907 | |
2908 | unsigned getIndexTypeCVRQualifiers() const { |
2909 | return ArrayTypeBits.IndexTypeQuals; |
2910 | } |
2911 | |
2912 | static bool classof(const Type *T) { |
2913 | return T->getTypeClass() == ConstantArray || |
2914 | T->getTypeClass() == VariableArray || |
2915 | T->getTypeClass() == IncompleteArray || |
2916 | T->getTypeClass() == DependentSizedArray; |
2917 | } |
2918 | }; |
2919 | |
2920 | |
2921 | |
2922 | |
2923 | class ConstantArrayType final |
2924 | : public ArrayType, |
2925 | private llvm::TrailingObjects<ConstantArrayType, const Expr *> { |
2926 | friend class ASTContext; |
2927 | friend TrailingObjects; |
2928 | |
2929 | llvm::APInt Size; |
2930 | |
2931 | ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, |
2932 | const Expr *sz, ArraySizeModifier sm, unsigned tq) |
2933 | : ArrayType(ConstantArray, et, can, sm, tq, sz), Size(size) { |
2934 | ConstantArrayTypeBits.HasStoredSizeExpr = sz != nullptr; |
2935 | if (ConstantArrayTypeBits.HasStoredSizeExpr) { |
2936 | assert(!can.isNull() && "canonical constant array should not have size"); |
2937 | *getTrailingObjects<const Expr*>() = sz; |
2938 | } |
2939 | } |
2940 | |
2941 | unsigned numTrailingObjects(OverloadToken<const Expr*>) const { |
2942 | return ConstantArrayTypeBits.HasStoredSizeExpr; |
2943 | } |
2944 | |
2945 | public: |
2946 | const llvm::APInt &getSize() const { return Size; } |
2947 | const Expr *getSizeExpr() const { |
2948 | return ConstantArrayTypeBits.HasStoredSizeExpr |
2949 | ? *getTrailingObjects<const Expr *>() |
2950 | : nullptr; |
2951 | } |
2952 | bool isSugared() const { return false; } |
2953 | QualType desugar() const { return QualType(this, 0); } |
2954 | |
2955 | |
2956 | |
2957 | static unsigned getNumAddressingBits(const ASTContext &Context, |
2958 | QualType ElementType, |
2959 | const llvm::APInt &NumElements); |
2960 | |
2961 | |
2962 | |
2963 | static unsigned getMaxSizeBits(const ASTContext &Context); |
2964 | |
2965 | void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx) { |
2966 | Profile(ID, Ctx, getElementType(), getSize(), getSizeExpr(), |
2967 | getSizeModifier(), getIndexTypeCVRQualifiers()); |
2968 | } |
2969 | |
2970 | static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx, |
2971 | QualType ET, const llvm::APInt &ArraySize, |
2972 | const Expr *SizeExpr, ArraySizeModifier SizeMod, |
2973 | unsigned TypeQuals); |
2974 | |
2975 | static bool classof(const Type *T) { |
2976 | return T->getTypeClass() == ConstantArray; |
2977 | } |
2978 | }; |
2979 | |
2980 | |
2981 | |
2982 | |
2983 | class IncompleteArrayType : public ArrayType { |
2984 | friend class ASTContext; |
2985 | |
2986 | IncompleteArrayType(QualType et, QualType can, |
2987 | ArraySizeModifier sm, unsigned tq) |
2988 | : ArrayType(IncompleteArray, et, can, sm, tq) {} |
2989 | |
2990 | public: |
2991 | friend class StmtIteratorBase; |
2992 | |
2993 | bool isSugared() const { return false; } |
2994 | QualType desugar() const { return QualType(this, 0); } |
2995 | |
2996 | static bool classof(const Type *T) { |
2997 | return T->getTypeClass() == IncompleteArray; |
2998 | } |
2999 | |
3000 | void Profile(llvm::FoldingSetNodeID &ID) { |
3001 | Profile(ID, getElementType(), getSizeModifier(), |
3002 | getIndexTypeCVRQualifiers()); |
3003 | } |
3004 | |
3005 | static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, |
3006 | ArraySizeModifier SizeMod, unsigned TypeQuals) { |
3007 | ID.AddPointer(ET.getAsOpaquePtr()); |
3008 | ID.AddInteger(SizeMod); |
3009 | ID.AddInteger(TypeQuals); |
3010 | } |
3011 | }; |
3012 | |
3013 | |
3014 | |
3015 | |
3016 | |
3017 | |
3018 | |
3019 | |
3020 | |
3021 | |
3022 | |
3023 | |
3024 | |
3025 | |
3026 | |
3027 | class VariableArrayType : public ArrayType { |
3028 | friend class ASTContext; |
3029 | |
3030 | |
3031 | |
3032 | Stmt *SizeExpr; |
3033 | |
3034 | |
3035 | SourceRange Brackets; |
3036 | |
3037 | VariableArrayType(QualType et, QualType can, Expr *e, |
3038 | ArraySizeModifier sm, unsigned tq, |
3039 | SourceRange brackets) |
3040 | : ArrayType(VariableArray, et, can, sm, tq, e), |
3041 | SizeExpr((Stmt*) e), Brackets(brackets) {} |
3042 | |
3043 | public: |
3044 | friend class StmtIteratorBase; |
3045 | |
3046 | Expr *getSizeExpr() const { |
3047 | |
3048 | |
3049 | return (Expr*) SizeExpr; |
3050 | } |
3051 | |
3052 | SourceRange getBracketsRange() const { return Brackets; } |
3053 | SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } |
3054 | SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } |
3055 | |
3056 | bool isSugared() const { return false; } |
3057 | QualType desugar() const { return QualType(this, 0); } |
3058 | |
3059 | static bool classof(const Type *T) { |
3060 | return T->getTypeClass() == VariableArray; |
3061 | } |
3062 | |
3063 | void Profile(llvm::FoldingSetNodeID &ID) { |
3064 | llvm_unreachable("Cannot unique VariableArrayTypes."); |
3065 | } |
3066 | }; |
3067 | |
3068 | |
3069 | |
3070 | |
3071 | |
3072 | |
3073 | |
3074 | |
3075 | |
3076 | |
3077 | |
3078 | |
3079 | |
3080 | |
3081 | class DependentSizedArrayType : public ArrayType { |
3082 | friend class ASTContext; |
3083 | |
3084 | const ASTContext &Context; |
3085 | |
3086 | |
3087 | |
3088 | |
3089 | |
3090 | |
3091 | Stmt *SizeExpr; |
3092 | |
3093 | |
3094 | SourceRange Brackets; |
3095 | |
3096 | DependentSizedArrayType(const ASTContext &Context, QualType et, QualType can, |
3097 | Expr *e, ArraySizeModifier sm, unsigned tq, |
3098 | SourceRange brackets); |
3099 | |
3100 | public: |
3101 | friend class StmtIteratorBase; |
3102 | |
3103 | Expr *getSizeExpr() const { |
3104 | |
3105 | |
3106 | return (Expr*) SizeExpr; |
3107 | } |
3108 | |
3109 | SourceRange getBracketsRange() const { return Brackets; } |
3110 | SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } |
3111 | SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } |
3112 | |
3113 | bool isSugared() const { return false; } |
3114 | QualType desugar() const { return QualType(this, 0); } |
3115 | |
3116 | static bool classof(const Type *T) { |
3117 | return T->getTypeClass() == DependentSizedArray; |
3118 | } |
3119 | |
3120 | void Profile(llvm::FoldingSetNodeID &ID) { |
3121 | Profile(ID, Context, getElementType(), |
3122 | getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); |
3123 | } |
3124 | |
3125 | static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, |
3126 | QualType ET, ArraySizeModifier SizeMod, |
3127 | unsigned TypeQuals, Expr *E); |
3128 | }; |
3129 | |
3130 | |
3131 | |
3132 | |
3133 | |
3134 | |
3135 | |
3136 | |
3137 | |
3138 | |
3139 | |
3140 | |
3141 | class DependentAddressSpaceType : public Type, public llvm::FoldingSetNode { |
3142 | friend class ASTContext; |
3143 | |
3144 | const ASTContext &Context; |
3145 | Expr *AddrSpaceExpr; |
3146 | QualType PointeeType; |
3147 | SourceLocation loc; |
3148 | |
3149 | DependentAddressSpaceType(const ASTContext &Context, QualType PointeeType, |
3150 | QualType can, Expr *AddrSpaceExpr, |
3151 | SourceLocation loc); |
3152 | |
3153 | public: |
3154 | Expr *getAddrSpaceExpr() const { return AddrSpaceExpr; } |
3155 | QualType getPointeeType() const { return PointeeType; } |
3156 | SourceLocation getAttributeLoc() const { return loc; } |
3157 | |
3158 | bool isSugared() const { return false; } |
3159 | QualType desugar() const { return QualType(this, 0); } |
3160 | |
3161 | static bool classof(const Type *T) { |
3162 | return T->getTypeClass() == DependentAddressSpace; |
3163 | } |
3164 | |
3165 | void Profile(llvm::FoldingSetNodeID &ID) { |
3166 | Profile(ID, Context, getPointeeType(), getAddrSpaceExpr()); |
3167 | } |
3168 | |
3169 | static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, |
3170 | QualType PointeeType, Expr *AddrSpaceExpr); |
3171 | }; |
3172 | |
3173 | |
3174 | |
3175 | |
3176 | |
3177 | |
3178 | |
3179 | |
3180 | |
3181 | |
3182 | |
3183 | class DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { |
3184 | friend class ASTContext; |
3185 | |
3186 | const ASTContext &Context; |
3187 | Expr *SizeExpr; |
3188 | |
3189 | |
3190 | QualType ElementType; |
3191 | |
3192 | SourceLocation loc; |
3193 | |
3194 | DependentSizedExtVectorType(const ASTContext &Context, QualType ElementType, |
3195 | QualType can, Expr *SizeExpr, SourceLocation loc); |
3196 | |
3197 | public: |
3198 | Expr *getSizeExpr() const { return SizeExpr; } |
3199 | QualType getElementType() const { return ElementType; } |
3200 | SourceLocation getAttributeLoc() const { return loc; } |
3201 | |
3202 | bool isSugared() const { return false; } |
3203 | QualType desugar() const { return QualType(this, 0); } |
3204 | |
3205 | static bool classof(const Type *T) { |
3206 | return T->getTypeClass() == DependentSizedExtVector; |
3207 | } |
3208 | |
3209 | void Profile(llvm::FoldingSetNodeID &ID) { |
3210 | Profile(ID, Context, getElementType(), getSizeExpr()); |
3211 | } |
3212 | |
3213 | static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, |
3214 | QualType ElementType, Expr *SizeExpr); |
3215 | }; |
3216 | |
3217 | |
3218 | |
3219 | |
3220 | |
3221 | |
3222 | |
3223 | class VectorType : public Type, public llvm::FoldingSetNode { |
3224 | public: |
3225 | enum VectorKind { |
3226 | |
3227 | GenericVector, |
3228 | |
3229 | |
3230 | AltiVecVector, |
3231 | |
3232 | |
3233 | AltiVecPixel, |
3234 | |
3235 | |
3236 | AltiVecBool, |
3237 | |
3238 | |
3239 | NeonVector, |
3240 | |
3241 | |
3242 | NeonPolyVector, |
3243 | |
3244 | |
3245 | SveFixedLengthDataVector, |
3246 | |
3247 | |
3248 | SveFixedLengthPredicateVector |
3249 | }; |
3250 | |
3251 | protected: |
3252 | friend class ASTContext; |
3253 | |
3254 | |
3255 | QualType ElementType; |
3256 | |
3257 | VectorType(QualType vecType, unsigned nElements, QualType canonType, |
3258 | VectorKind vecKind); |
3259 | |
3260 | VectorType(TypeClass tc, QualType vecType, unsigned nElements, |
3261 | QualType canonType, VectorKind vecKind); |
3262 | |
3263 | public: |
3264 | QualType getElementType() const { return ElementType; } |
3265 | unsigned getNumElements() const { return VectorTypeBits.NumElements; } |
3266 | |
3267 | bool isSugared() const { return false; } |
3268 | QualType desugar() const { return QualType(this, 0); } |
3269 | |
3270 | VectorKind getVectorKind() const { |
3271 | return VectorKind(VectorTypeBits.VecKind); |
3272 | } |
3273 | |
3274 | void Profile(llvm::FoldingSetNodeID &ID) { |
3275 | Profile(ID, getElementType(), getNumElements(), |
3276 | getTypeClass(), getVectorKind()); |
3277 | } |
3278 | |
3279 | static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, |
3280 | unsigned NumElements, TypeClass TypeClass, |
3281 | VectorKind VecKind) { |
3282 | ID.AddPointer(ElementType.getAsOpaquePtr()); |
3283 | ID.AddInteger(NumElements); |
3284 | ID.AddInteger(TypeClass); |
3285 | ID.AddInteger(VecKind); |
3286 | } |
3287 | |
3288 | static bool classof(const Type *T) { |
3289 | return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; |
3290 | } |
3291 | }; |
3292 | |
3293 | |
3294 | |
3295 | |
3296 | |
3297 | |
3298 | |
3299 | |
3300 | |
3301 | |
3302 | class DependentVectorType : public Type, public llvm::FoldingSetNode { |
3303 | friend class ASTContext; |
3304 | |
3305 | const ASTContext &Context; |
3306 | QualType ElementType; |
3307 | Expr *SizeExpr; |
3308 | SourceLocation Loc; |
3309 | |
3310 | DependentVectorType(const ASTContext &Context, QualType ElementType, |
3311 | QualType CanonType, Expr *SizeExpr, |
3312 | SourceLocation Loc, VectorType::VectorKind vecKind); |
3313 | |
3314 | public: |
3315 | Expr *getSizeExpr() const { return SizeExpr; } |
3316 | QualType getElementType() const { return ElementType; } |
3317 | SourceLocation getAttributeLoc() const { return Loc; } |
3318 | VectorType::VectorKind getVectorKind() const { |
3319 | return VectorType::VectorKind(VectorTypeBits.VecKind); |
3320 | } |
3321 | |
3322 | bool isSugared() const { return false; } |
3323 | QualType desugar() const { return QualType(this, 0); } |
3324 | |
3325 | static bool classof(const Type *T) { |
3326 | return T->getTypeClass() == DependentVector; |
3327 | } |
3328 | |
3329 | void Profile(llvm::FoldingSetNodeID &ID) { |
3330 | Profile(ID, Context, getElementType(), getSizeExpr(), getVectorKind()); |
3331 | } |
3332 | |
3333 | static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, |
3334 | QualType ElementType, const Expr *SizeExpr, |
3335 | VectorType::VectorKind VecKind); |
3336 | }; |
3337 | |
3338 | |
3339 | |
3340 | |
3341 | |
3342 | |
3343 | |
3344 | class ExtVectorType : public VectorType { |
3345 | friend class ASTContext; |
3346 | |
3347 | ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) |
3348 | : VectorType(ExtVector, vecType, nElements, canonType, GenericVector) {} |
3349 | |
3350 | public: |
3351 | static int getPointAccessorIdx(char c) { |
3352 | switch (c) { |
3353 | default: return -1; |
3354 | case 'x': case 'r': return 0; |
3355 | case 'y': case 'g': return 1; |
3356 | case 'z': case 'b': return 2; |
3357 | case 'w': case 'a': return 3; |
3358 | } |
3359 | } |
3360 | |
3361 | static int getNumericAccessorIdx(char c) { |
3362 | switch (c) { |
3363 | default: return -1; |
3364 | case '0': return 0; |
3365 | case '1': return 1; |
3366 | case '2': return 2; |
3367 | case '3': return 3; |
3368 | case '4': return 4; |
3369 | case '5': return 5; |
3370 | case '6': return 6; |
3371 | case '7': return 7; |
3372 | case '8': return 8; |
3373 | case '9': return 9; |
3374 | case 'A': |
3375 | case 'a': return 10; |
3376 | case 'B': |
3377 | case 'b': return 11; |
3378 | case 'C': |
3379 | case 'c': return 12; |
3380 | case 'D': |
3381 | case 'd': return 13; |
3382 | case 'E': |
3383 | case 'e': return 14; |
3384 | case 'F': |
3385 | case 'f': return 15; |
3386 | } |
3387 | } |
3388 | |
3389 | static int getAccessorIdx(char c, bool isNumericAccessor) { |
3390 | if (isNumericAccessor) |
3391 | return getNumericAccessorIdx(c); |
3392 | else |
3393 | return getPointAccessorIdx(c); |
3394 | } |
3395 | |
3396 | bool isAccessorWithinNumElements(char c, bool isNumericAccessor) const { |
3397 | if (int idx = getAccessorIdx(c, isNumericAccessor)+1) |
3398 | return unsigned(idx-1) < getNumElements(); |
3399 | return false; |
3400 | } |
3401 | |
3402 | bool isSugared() const { return false; } |
3403 | QualType desugar() const { return QualType(this, 0); } |
3404 | |
3405 | static bool classof(const Type *T) { |
3406 | return T->getTypeClass() == ExtVector; |
3407 | } |
3408 | }; |
3409 | |
3410 | |
3411 | |
3412 | |
3413 | class MatrixType : public Type, public llvm::FoldingSetNode { |
3414 | protected: |
3415 | friend class ASTContext; |
3416 | |
3417 | |
3418 | QualType ElementType; |
3419 | |
3420 | MatrixType(QualType ElementTy, QualType CanonElementTy); |
3421 | |
3422 | MatrixType(TypeClass TypeClass, QualType ElementTy, QualType CanonElementTy, |
3423 | const Expr *RowExpr = nullptr, const Expr *ColumnExpr = nullptr); |
3424 | |
3425 | public: |
3426 | |
3427 | QualType getElementType() const { return ElementType; } |
3428 | |
3429 | |
3430 | |
3431 | |
3432 | |
3433 | |
3434 | static bool isValidElementType(QualType T) { |
3435 | return T->isDependentType() || |
3436 | (T->isRealType() && !T->isBooleanType() && !T->isEnumeralType()); |
3437 | } |
3438 | |
3439 | bool isSugared() const { return false; } |
3440 | QualType desugar() const { return QualType(this, 0); } |
3441 | |
3442 | static bool classof(const Type *T) { |
3443 | return T->getTypeClass() == ConstantMatrix || |
3444 | T->getTypeClass() == DependentSizedMatrix; |
3445 | } |
3446 | }; |
3447 | |
3448 | |
3449 | class ConstantMatrixType final : public MatrixType { |
3450 | protected: |
3451 | friend class ASTContext; |
3452 | |
3453 | |
3454 | |
3455 | QualType ElementType; |
3456 | |
3457 | |
3458 | unsigned NumRows; |
3459 | unsigned NumColumns; |
3460 | |
3461 | static constexpr unsigned MaxElementsPerDimension = (1 << 20) - 1; |
3462 | |
3463 | ConstantMatrixType(QualType MatrixElementType, unsigned NRows, |
3464 | unsigned NColumns, QualType CanonElementType); |
3465 | |
3466 | ConstantMatrixType(TypeClass typeClass, QualType MatrixType, unsigned NRows, |
3467 | unsigned NColumns, QualType CanonElementType); |
3468 | |
3469 | public: |
3470 | |
3471 | unsigned getNumRows() const { return NumRows; } |
3472 | |
3473 | |
3474 | unsigned getNumColumns() const { return NumColumns; } |
3475 | |
3476 | |
3477 | unsigned getNumElementsFlattened() const { |
3478 | return getNumRows() * getNumColumns(); |
3479 | } |
3480 | |
3481 | |
3482 | static constexpr bool isDimensionValid(size_t NumElements) { |
3483 | return NumElements > 0 && NumElements <= MaxElementsPerDimension; |
3484 | } |
3485 | |
3486 | |
3487 | static constexpr unsigned getMaxElementsPerDimension() { |
3488 | return MaxElementsPerDimension; |
3489 | } |
3490 | |
3491 | void Profile(llvm::FoldingSetNodeID &ID) { |
3492 | Profile(ID, getElementType(), getNumRows(), getNumColumns(), |
3493 | getTypeClass()); |
3494 | } |
3495 | |
3496 | static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, |
3497 | unsigned NumRows, unsigned NumColumns, |
3498 | TypeClass TypeClass) { |
3499 | ID.AddPointer(ElementType.getAsOpaquePtr()); |
3500 | ID.AddInteger(NumRows); |
3501 | ID.AddInteger(NumColumns); |
3502 | ID.AddInteger(TypeClass); |
3503 | } |
3504 | |
3505 | static bool classof(const Type *T) { |
3506 | return T->getTypeClass() == ConstantMatrix; |
3507 | } |
3508 | }; |
3509 | |
3510 | |
3511 | |
3512 | class DependentSizedMatrixType final : public MatrixType { |
3513 | friend class ASTContext; |
3514 | |
3515 | const ASTContext &Context; |
3516 | Expr *RowExpr; |
3517 | Expr *ColumnExpr; |
3518 | |
3519 | SourceLocation loc; |
3520 | |
3521 | DependentSizedMatrixType(const ASTContext &Context, QualType ElementType, |
3522 | QualType CanonicalType, Expr *RowExpr, |
3523 | Expr *ColumnExpr, SourceLocation loc); |
3524 | |
3525 | public: |
3526 | QualType getElementType() const { return ElementType; } |
3527 | Expr *getRowExpr() const { return RowExpr; } |
3528 | Expr *getColumnExpr() const { return ColumnExpr; } |
3529 | SourceLocation getAttributeLoc() const { return loc; } |
3530 | |
3531 | bool isSugared() const { return false; } |
3532 | QualType desugar() const { return QualType(this, 0); } |
3533 | |
3534 | static bool classof(const Type *T) { |
3535 | return T->getTypeClass() == DependentSizedMatrix; |
3536 | } |
3537 | |
3538 | void Profile(llvm::FoldingSetNodeID &ID) { |
3539 | Profile(ID, Context, getElementType(), getRowExpr(), getColumnExpr()); |
3540 | } |
3541 | |
3542 | static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, |
3543 | QualType ElementType, Expr *RowExpr, Expr *ColumnExpr); |
3544 | }; |
3545 | |
3546 | |
3547 | |
3548 | class FunctionType : public Type { |
3549 | |
3550 | QualType ResultType; |
3551 | |
3552 | public: |
3553 | |
3554 | |
3555 | |
3556 | |
3557 | |
3558 | |
3559 | |
3560 | |
3561 | |
3562 | |
3563 | |
3564 | |
3565 | |
3566 | |
3567 | |
3568 | |
3569 | |
3570 | |
3571 | |
3572 | |
3573 | |
3574 | class ExtParameterInfo { |
3575 | enum { |
3576 | ABIMask = 0x0F, |
3577 | IsConsumed = 0x10, |
3578 | HasPassObjSize = 0x20, |
3579 | IsNoEscape = 0x40, |
3580 | }; |
3581 | unsigned char Data = 0; |
3582 | |
3583 | public: |
3584 | ExtParameterInfo() = default; |
3585 | |
3586 | |
3587 | ParameterABI getABI() const { return ParameterABI(Data & ABIMask); } |
3588 | ExtParameterInfo withABI(ParameterABI kind) const { |
3589 | ExtParameterInfo copy = *this; |
3590 | copy.Data = (copy.Data & ~ABIMask) | unsigned(kind); |
3591 | return copy; |
3592 | } |
3593 | |
3594 | |
3595 | |
3596 | bool isConsumed() const { return (Data & IsConsumed); } |
3597 | ExtParameterInfo withIsConsumed(bool consumed) const { |
3598 | ExtParameterInfo copy = *this; |
3599 | if (consumed) |
3600 | copy.Data |= IsConsumed; |
3601 | else |
3602 | copy.Data &= ~IsConsumed; |
3603 | return copy; |
3604 | } |
3605 | |
3606 | bool hasPassObjectSize() const { return Data & HasPassObjSize; } |
3607 | ExtParameterInfo withHasPassObjectSize() const { |
3608 | ExtParameterInfo Copy = *this; |
3609 | Copy.Data |= HasPassObjSize; |
3610 | return Copy; |
3611 | } |
3612 | |
3613 | bool isNoEscape() const { return Data & IsNoEscape; } |
3614 | ExtParameterInfo withIsNoEscape(bool NoEscape) const { |
3615 | ExtParameterInfo Copy = *this; |
3616 | if (NoEscape) |
3617 | Copy.Data |= IsNoEscape; |
3618 | else |
3619 | Copy.Data &= ~IsNoEscape; |
3620 | return Copy; |
3621 | } |
3622 | |
3623 | unsigned char getOpaqueValue() const { return Data; } |
3624 | static ExtParameterInfo getFromOpaqueValue(unsigned char data) { |
3625 | ExtParameterInfo result; |
3626 | result.Data = data; |
3627 | return result; |
3628 | } |
3629 | |
3630 | friend bool operator==(ExtParameterInfo lhs, ExtParameterInfo rhs) { |
3631 | return lhs.Data == rhs.Data; |
3632 | } |
3633 | |
3634 | friend bool operator!=(ExtParameterInfo lhs, ExtParameterInfo rhs) { |
3635 | return lhs.Data != rhs.Data; |
3636 | } |
3637 | }; |
3638 | |
3639 | |
3640 | |
3641 | |
3642 | |
3643 | |
3644 | |
3645 | |
3646 | |
3647 | |
3648 | |
3649 | |
3650 | |
3651 | |
3652 | |
3653 | |
3654 | |
3655 | |
3656 | |
3657 | |
3658 | |
3659 | class ExtInfo { |
3660 | friend class FunctionType; |
3661 | |
3662 | |
3663 | |
3664 | |
3665 | |
3666 | |
3667 | |
3668 | |
3669 | |
3670 | enum { CallConvMask = 0x1F }; |
3671 | enum { NoReturnMask = 0x20 }; |
3672 | enum { ProducesResultMask = 0x40 }; |
3673 | enum { NoCallerSavedRegsMask = 0x80 }; |
3674 | enum { |
3675 | RegParmMask = 0x700, |
3676 | RegParmOffset = 8 |
3677 | }; |
3678 | enum { NoCfCheckMask = 0x800 }; |
3679 | enum { CmseNSCallMask = 0x1000 }; |
3680 | uint16_t Bits = CC_C; |
3681 | |
3682 | ExtInfo(unsigned Bits) : Bits(static_cast<uint16_t>(Bits)) {} |
3683 | |
3684 | public: |
3685 | |
3686 | |
3687 | ExtInfo(bool noReturn, bool hasRegParm, unsigned regParm, CallingConv cc, |
3688 | bool producesResult, bool noCallerSavedRegs, bool NoCfCheck, |
3689 | bool cmseNSCall) { |
3690 | assert((!hasRegParm || regParm < 7) && "Invalid regparm value"); |
3691 | Bits = ((unsigned)cc) | (noReturn ? NoReturnMask : 0) | |
3692 | (producesResult ? ProducesResultMask : 0) | |
3693 | (noCallerSavedRegs ? NoCallerSavedRegsMask : 0) | |
3694 | (hasRegParm ? ((regParm + 1) << RegParmOffset) : 0) | |
3695 | (NoCfCheck ? NoCfCheckMask : 0) | |
3696 | (cmseNSCall ? CmseNSCallMask : 0); |
3697 | } |
3698 | |
3699 | |
3700 | |
3701 | ExtInfo() = default; |
3702 | |
3703 | |
3704 | |
3705 | ExtInfo(CallingConv CC) : Bits(CC) {} |
3706 | |
3707 | bool getNoReturn() const { return Bits & NoReturnMask; } |
3708 | bool getProducesResult() const { return Bits & ProducesResultMask; } |
3709 | bool getCmseNSCall() const { return Bits & CmseNSCallMask; } |
3710 | bool getNoCallerSavedRegs() const { return Bits & NoCallerSavedRegsMask; } |
3711 | bool getNoCfCheck() const { return Bits & NoCfCheckMask; } |
3712 | bool getHasRegParm() const { return ((Bits & RegParmMask) >> RegParmOffset) != 0; } |
3713 | |
3714 | unsigned getRegParm() const { |
3715 | unsigned RegParm = (Bits & RegParmMask) >> RegParmOffset; |
3716 | if (RegParm > 0) |
3717 | --RegParm; |
3718 | return RegParm; |
3719 | } |
3720 | |
3721 | CallingConv getCC() const { return CallingConv(Bits & CallConvMask); } |
3722 | |
3723 | bool operator==(ExtInfo Other) const { |
3724 | return Bits == Other.Bits; |
3725 | } |
3726 | bool operator!=(ExtInfo Other) const { |
3727 | return Bits != Other.Bits; |
3728 | } |
3729 | |
3730 | |
3731 | |
3732 | |
3733 | ExtInfo withNoReturn(bool noReturn) const { |
3734 | if (noReturn) |
3735 | return ExtInfo(Bits | NoReturnMask); |
3736 | else |
3737 | return ExtInfo(Bits & ~NoReturnMask); |
3738 | } |
3739 | |
3740 | ExtInfo withProducesResult(bool producesResult) const { |
3741 | if (producesResult) |
3742 | return ExtInfo(Bits | ProducesResultMask); |
3743 | else |
3744 | return ExtInfo(Bits & ~ProducesResultMask); |
3745 | } |
3746 | |
3747 | ExtInfo withCmseNSCall(bool cmseNSCall) const { |
3748 | if (cmseNSCall) |
3749 | return ExtInfo(Bits | CmseNSCallMask); |
3750 | else |
3751 | return ExtInfo(Bits & ~CmseNSCallMask); |
3752 | } |
3753 | |
3754 | ExtInfo withNoCallerSavedRegs(bool noCallerSavedRegs) const { |
3755 | if (noCallerSavedRegs) |
3756 | return ExtInfo(Bits | NoCallerSavedRegsMask); |
3757 | else |
3758 | return ExtInfo(Bits & ~NoCallerSavedRegsMask); |
3759 | } |
3760 | |
3761 | ExtInfo withNoCfCheck(bool noCfCheck) const { |
3762 | if (noCfCheck) |
3763 | return ExtInfo(Bits | NoCfCheckMask); |
3764 | else |
3765 | return ExtInfo(Bits & ~NoCfCheckMask); |
3766 | } |
3767 | |
3768 | ExtInfo withRegParm(unsigned RegParm) const { |
3769 | assert(RegParm < 7 && "Invalid regparm value"); |
3770 | return ExtInfo((Bits & ~RegParmMask) | |
3771 | ((RegParm + 1) << RegParmOffset)); |
3772 | } |
3773 | |
3774 | ExtInfo withCallingConv(CallingConv cc) const { |
3775 | return ExtInfo((Bits & ~CallConvMask) | (unsigned) cc); |
3776 | } |
3777 | |
3778 | void Profile(llvm::FoldingSetNodeID &ID) const { |
3779 | ID.AddInteger(Bits); |
3780 | } |
3781 | }; |
3782 | |
3783 | |
3784 | |
3785 | |
3786 | struct ExceptionType { QualType Type; }; |
3787 | |
3788 | |
3789 | |
3790 | |
3791 | |
3792 | struct alignas(void *) FunctionTypeExtraBitfields { |
3793 | |
3794 | |
3795 | |
3796 | unsigned NumExceptionType; |
3797 | }; |
3798 | |
3799 | protected: |
3800 | FunctionType(TypeClass tc, QualType res, QualType Canonical, |
3801 | TypeDependence Dependence, ExtInfo Info) |
3802 | : Type(tc, Canonical, Dependence), ResultType(res) { |
3803 | FunctionTypeBits.ExtInfo = Info.Bits; |
3804 | } |
3805 | |
3806 | Qualifiers getFastTypeQuals() const { |
3807 | return Qualifiers::fromFastMask(FunctionTypeBits.FastTypeQuals); |
3808 | } |
3809 | |
3810 | public: |
3811 | QualType getReturnType() const { return ResultType; } |
3812 | |
3813 | bool getHasRegParm() const { return getExtInfo().getHasRegParm(); } |
3814 | unsigned getRegParmType() const { return getExtInfo().getRegParm(); } |
3815 | |
3816 | |
3817 | |
3818 | |
3819 | bool getNoReturnAttr() const { return getExtInfo().getNoReturn(); } |
3820 | |
3821 | bool getCmseNSCallAttr() const { return getExtInfo().getCmseNSCall(); } |
3822 | CallingConv getCallConv() const { return getExtInfo().getCC(); } |
3823 | ExtInfo getExtInfo() const { return ExtInfo(FunctionTypeBits.ExtInfo); } |
3824 | |
3825 | static_assert((~Qualifiers::FastMask & Qualifiers::CVRMask) == 0, |
3826 | "Const, volatile and restrict are assumed to be a subset of " |
3827 | "the fast qualifiers."); |
3828 | |
3829 | bool isConst() const { return getFastTypeQuals().hasConst(); } |
3830 | bool isVolatile() const { return getFastTypeQuals().hasVolatile(); } |
3831 | bool isRestrict() const { return getFastTypeQuals().hasRestrict(); } |
3832 | |
3833 | |
3834 | |
3835 | QualType getCallResultType(const ASTContext &Context) const { |
3836 | return getReturnType().getNonLValueExprType(Context); |
3837 | } |
3838 | |
3839 | static StringRef getNameForCallConv(CallingConv CC); |
3840 | |
3841 | static bool classof(const Type *T) { |
3842 | return T->getTypeClass() == FunctionNoProto || |
3843 | T->getTypeClass() == FunctionProto; |
3844 | } |
3845 | }; |
3846 | |
3847 | |
3848 | |
3849 | class FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { |
3850 | friend class ASTContext; |
3851 | |
3852 | FunctionNoProtoType(QualType Result, QualType Canonical, ExtInfo Info) |
3853 | : FunctionType(FunctionNoProto, Result, Canonical, |
3854 | Result->getDependence() & |
3855 | ~(TypeDependence::DependentInstantiation | |
3856 | TypeDependence::UnexpandedPack), |
3857 | Info) {} |
3858 | |
3859 | public: |
3860 | |
3861 | |
3862 | bool isSugared() const { return false; } |
3863 | QualType desugar() const { return QualType(this, 0); } |
3864 | |
3865 | void Profile(llvm::FoldingSetNodeID &ID) { |
3866 | Profile(ID, getReturnType(), getExtInfo()); |
3867 | } |
3868 | |
3869 | static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, |
3870 | ExtInfo Info) { |
3871 | Info.Profile(ID); |
3872 | ID.AddPointer(ResultType.getAsOpaquePtr()); |
3873 | } |
3874 | |
3875 | static bool classof(const Type *T) { |
3876 | return T->getTypeClass() == FunctionNoProto; |
3877 | } |
3878 | }; |
3879 | |
3880 | |
3881 | |
3882 | |
3883 | |
3884 | |
3885 | |
3886 | |
3887 | class FunctionProtoType final |
3888 | : public FunctionType, |
3889 | public llvm::FoldingSetNode, |
3890 | private llvm::TrailingObjects< |
3891 | FunctionProtoType, QualType, SourceLocation, |
3892 | FunctionType::FunctionTypeExtraBitfields, FunctionType::ExceptionType, |
3893 | Expr *, FunctionDecl *, FunctionType::ExtParameterInfo, Qualifiers> { |
3894 | friend class ASTContext; |
3895 | friend TrailingObjects; |
3896 | |
3897 | |
3898 | |
3899 | |
3900 | |
3901 | |
3902 | |
3903 | |
3904 | |
3905 | |
3906 | |
3907 | |
3908 | |
3909 | |
3910 | |
3911 | |
3912 | |
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 | public: |
3940 | |
3941 | |
3942 | |
3943 | |
3944 | struct ExceptionSpecInfo { |
3945 | |
3946 | ExceptionSpecificationType Type = EST_None; |
3947 | |
3948 | |
3949 | ArrayRef<QualType> Exceptions; |
3950 | |
3951 | |
3952 | Expr *NoexceptExpr = nullptr; |
3953 | |
3954 | |
3955 | |
3956 | FunctionDecl *SourceDecl = nullptr; |
3957 | |
3958 | |
3959 | |
3960 | FunctionDecl *SourceTemplate = nullptr; |
3961 | |
3962 | ExceptionSpecInfo() = default; |
3963 | |
3964 | ExceptionSpecInfo(ExceptionSpecificationType EST) : Type(EST) {} |
3965 | }; |
3966 | |
3967 | |
3968 | |
3969 | |
3970 | struct ExtProtoInfo { |
3971 | FunctionType::ExtInfo ExtInfo; |
3972 | bool Variadic : 1; |
3973 | bool HasTrailingReturn : 1; |
3974 | Qualifiers TypeQuals; |
3975 | RefQualifierKind RefQualifier = RQ_None; |
3976 | ExceptionSpecInfo ExceptionSpec; |
3977 | const ExtParameterInfo *ExtParameterInfos = nullptr; |
3978 | SourceLocation EllipsisLoc; |
3979 | |
3980 | ExtProtoInfo() : Variadic(false), HasTrailingReturn(false) {} |
3981 | |
3982 | ExtProtoInfo(CallingConv CC) |
3983 | : ExtInfo(CC), Variadic(false), HasTrailingReturn(false) {} |
3984 | |
3985 | ExtProtoInfo withExceptionSpec(const ExceptionSpecInfo &ESI) { |
3986 | ExtProtoInfo Result(*this); |
3987 | Result.ExceptionSpec = ESI; |
3988 | return Result; |
3989 | } |
3990 | }; |
3991 | |
3992 | private: |
3993 | unsigned numTrailingObjects(OverloadToken<QualType>) const { |
3994 | return getNumParams(); |
3995 | } |
3996 | |
3997 | unsigned numTrailingObjects(OverloadToken<SourceLocation>) const { |
3998 | return isVariadic(); |
3999 | } |
4000 | |
4001 | unsigned numTrailingObjects(OverloadToken<FunctionTypeExtraBitfields>) const { |
4002 | return hasExtraBitfields(); |
4003 | } |
4004 | |
4005 | unsigned numTrailingObjects(OverloadToken<ExceptionType>) const { |
4006 | return getExceptionSpecSize().NumExceptionType; |
4007 | } |
4008 | |
4009 | unsigned numTrailingObjects(OverloadToken<Expr *>) const { |
4010 | return getExceptionSpecSize().NumExprPtr; |
4011 | } |
4012 | |
4013 | unsigned numTrailingObjects(OverloadToken<FunctionDecl *>) const { |
4014 | return getExceptionSpecSize().NumFunctionDeclPtr; |
4015 | } |
4016 | |
4017 | unsigned numTrailingObjects(OverloadToken<ExtParameterInfo>) const { |
4018 | return hasExtParameterInfos() ? getNumParams() : 0; |
4019 | } |
4020 | |
4021 | |
4022 | |
4023 | static bool containsAnyUnexpandedParameterPack(const QualType *ArgArray, |
4024 | unsigned numArgs) { |
4025 | for (unsigned Idx = 0; Idx < numArgs; ++Idx) |
4026 | if (ArgArray[Idx]->containsUnexpandedParameterPack()) |
4027 | return true; |
4028 | |
4029 | return false; |
4030 | } |
4031 | |
4032 | FunctionProtoType(QualType result, ArrayRef<QualType> params, |
4033 | QualType canonical, const ExtProtoInfo &epi); |
4034 | |
4035 | |
4036 | |
4037 | |
4038 | struct ExceptionSpecSizeHolder { |
4039 | unsigned NumExceptionType; |
4040 | unsigned NumExprPtr; |
4041 | unsigned NumFunctionDeclPtr; |
4042 | }; |
4043 | |
4044 | |
4045 | |
4046 | static ExceptionSpecSizeHolder |
4047 | getExceptionSpecSize(ExceptionSpecificationType EST, unsigned NumExceptions) { |
4048 | switch (EST) { |
4049 | case EST_None: |
4050 | case EST_DynamicNone: |
4051 | case EST_MSAny: |
4052 | case EST_BasicNoexcept: |
4053 | case EST_Unparsed: |
4054 | case EST_NoThrow: |
4055 | return {0, 0, 0}; |
4056 | |
4057 | case EST_Dynamic: |
4058 | return {NumExceptions, 0, 0}; |
4059 | |
4060 | case EST_DependentNoexcept: |
4061 | case EST_NoexceptFalse: |
4062 | case EST_NoexceptTrue: |
4063 | return {0, 1, 0}; |
4064 | |
4065 | case EST_Uninstantiated: |
4066 | return {0, 0, 2}; |
4067 | |
4068 | case EST_Unevaluated: |
4069 | return {0, 0, 1}; |
4070 | } |
4071 | llvm_unreachable("bad exception specification kind"); |
4072 | } |
4073 | |
4074 | |
4075 | |
4076 | ExceptionSpecSizeHolder getExceptionSpecSize() const { |
4077 | return getExceptionSpecSize(getExceptionSpecType(), getNumExceptions()); |
4078 | } |
4079 | |
4080 | |
4081 | static bool hasExtraBitfields(ExceptionSpecificationType EST) { |
4082 | |
4083 | |
4084 | return EST == EST_Dynamic; |
4085 | } |
4086 | |
4087 | |
4088 | bool hasExtraBitfields() const { |
4089 | return hasExtraBitfields(getExceptionSpecType()); |
4090 | } |
4091 | |
4092 | bool hasExtQualifiers() const { |
4093 | return FunctionTypeBits.HasExtQuals; |
4094 | } |
4095 | |
4096 | public: |
4097 | unsigned getNumParams() const { return FunctionTypeBits.NumParams; } |
4098 | |
4099 | QualType getParamType(unsigned i) const { |
4100 | assert(i < getNumParams() && "invalid parameter index"); |
4101 | return param_type_begin()[i]; |
4102 | } |
4103 | |
4104 | ArrayRef<QualType> getParamTypes() const { |
4105 | return llvm::makeArrayRef(param_type_begin(), param_type_end()); |
4106 | } |
4107 | |
4108 | ExtProtoInfo getExtProtoInfo() const { |
4109 | ExtProtoInfo EPI; |
4110 | EPI.ExtInfo = getExtInfo(); |
4111 | EPI.Variadic = isVariadic(); |
4112 | EPI.EllipsisLoc = getEllipsisLoc(); |
4113 | EPI.HasTrailingReturn = hasTrailingReturn(); |
4114 | EPI.ExceptionSpec = getExceptionSpecInfo(); |
4115 | EPI.TypeQuals = getMethodQuals(); |
4116 | EPI.RefQualifier = getRefQualifier(); |
4117 | EPI.ExtParameterInfos = getExtParameterInfosOrNull(); |
4118 | return EPI; |
4119 | } |
4120 | |
4121 | |
4122 | ExceptionSpecificationType getExceptionSpecType() const { |
4123 | return static_cast<ExceptionSpecificationType>( |
4124 | FunctionTypeBits.ExceptionSpecType); |
4125 | } |
4126 | |
4127 | |
4128 | bool hasExceptionSpec() const { return getExceptionSpecType() != EST_None; } |
4129 | |
4130 | |
4131 | bool hasDynamicExceptionSpec() const { |
4132 | return isDynamicExceptionSpec(getExceptionSpecType()); |
4133 | } |
4134 | |
4135 | |
4136 | bool hasNoexceptExceptionSpec() const { |
4137 | return isNoexceptExceptionSpec(getExceptionSpecType()); |
4138 | } |
4139 | |
4140 | |
4141 | bool hasDependentExceptionSpec() const; |
4142 | |
4143 | |
4144 | |
4145 | bool hasInstantiationDependentExceptionSpec() const; |
4146 | |
4147 | |
4148 | ExceptionSpecInfo getExceptionSpecInfo() const { |
4149 | ExceptionSpecInfo Result; |
4150 | Result.Type = getExceptionSpecType(); |
4151 | if (Result.Type == EST_Dynamic) { |
4152 | Result.Exceptions = exceptions(); |
4153 | } else if (isComputedNoexcept(Result.Type)) { |
4154 | Result.NoexceptExpr = getNoexceptExpr(); |
4155 | } else if (Result.Type == EST_Uninstantiated) { |
4156 | Result.SourceDecl = getExceptionSpecDecl(); |
4157 | Result.SourceTemplate = getExceptionSpecTemplate(); |
4158 | } else if (Result.Type == EST_Unevaluated) { |
4159 | Result.SourceDecl = getExceptionSpecDecl(); |
4160 | } |
4161 | return Result; |
4162 | } |
4163 | |
4164 | |
4165 | unsigned getNumExceptions() const { |
4166 | return getExceptionSpecType() == EST_Dynamic |
4167 | ? getTrailingObjects<FunctionTypeExtraBitfields>() |
4168 | ->NumExceptionType |
4169 | : 0; |
4170 | } |
4171 | |
4172 | |
4173 | QualType getExceptionType(unsigned i) const { |
4174 | assert(i < getNumExceptions() && "Invalid exception number!"); |
4175 | return exception_begin()[i]; |
4176 | } |
4177 | |
4178 | |
4179 | |
4180 | Expr *getNoexceptExpr() const { |
4181 | if (!isComputedNoexcept(getExceptionSpecType())) |
4182 | return nullptr; |
4183 | return *getTrailingObjects<Expr *>(); |
4184 | } |
4185 | |
4186 | |
4187 | |
4188 | |
4189 | |
4190 | FunctionDecl *getExceptionSpecDecl() const { |
4191 | if (getExceptionSpecType() != EST_Uninstantiated && |
4192 | getExceptionSpecType() != EST_Unevaluated) |
4193 | return nullptr; |
4194 | return getTrailingObjects<FunctionDecl *>()[0]; |
4195 | } |
4196 | |
4197 | |
4198 | |
4199 | |
4200 | |
4201 | FunctionDecl *getExceptionSpecTemplate() const { |
4202 | if (getExceptionSpecType() != EST_Uninstantiated) |
4203 | return nullptr; |
4204 | return getTrailingObjects<FunctionDecl *>()[1]; |
4205 | } |
4206 | |
4207 | |
4208 | |
4209 | CanThrowResult canThrow() const; |
4210 | |
4211 | |
4212 | |
4213 | |
4214 | bool isNothrow(bool ResultIfDependent = false) const { |
4215 | return ResultIfDependent ? canThrow() != CT_Can : canThrow() == CT_Cannot; |
4216 | } |
4217 | |
4218 | |
4219 | bool isVariadic() const { return FunctionTypeBits.Variadic; } |
4220 | |
4221 | SourceLocation getEllipsisLoc() const { |
4222 | return isVariadic() ? *getTrailingObjects<SourceLocation>() |
4223 | : SourceLocation(); |
4224 | } |
4225 | |
4226 | |
4227 | |
4228 | |
4229 | |
4230 | |
4231 | |
4232 | bool isTemplateVariadic() const; |
4233 | |
4234 | |
4235 | bool hasTrailingReturn() const { return FunctionTypeBits.HasTrailingReturn; } |
4236 | |
4237 | Qualifiers getMethodQuals() const { |
4238 | if (hasExtQualifiers()) |
4239 | return *getTrailingObjects<Qualifiers>(); |
4240 | else |
4241 | return getFastTypeQuals(); |
4242 | } |
4243 | |
4244 | |
4245 | RefQualifierKind getRefQualifier() const { |
4246 | return static_cast<RefQualifierKind>(FunctionTypeBits.RefQualifier); |
4247 | } |
4248 | |
4249 | using param_type_iterator = const QualType *; |
4250 | using param_type_range = llvm::iterator_range<param_type_iterator>; |
4251 | |
4252 | param_type_range param_types() const { |
4253 | return param_type_range(param_type_begin(), param_type_end()); |
4254 | } |
4255 | |
4256 | param_type_iterator param_type_begin() const { |
4257 | return getTrailingObjects<QualType>(); |
4258 | } |
4259 | |
4260 | param_type_iterator param_type_end() const { |
4261 | return param_type_begin() + getNumParams(); |
4262 | } |
4263 | |
4264 | using exception_iterator = const QualType *; |
4265 | |
4266 | ArrayRef<QualType> exceptions() const { |
4267 | return llvm::makeArrayRef(exception_begin(), exception_end()); |
4268 | } |
4269 | |
4270 | exception_iterator exception_begin() const { |
4271 | return reinterpret_cast<exception_iterator>( |
4272 | getTrailingObjects<ExceptionType>()); |
4273 | } |
4274 | |
4275 | exception_iterator exception_end() const { |
4276 | return exception_begin() + getNumExceptions(); |
4277 | } |
4278 | |
4279 | |
4280 | |
4281 | bool hasExtParameterInfos() const { |
4282 | return FunctionTypeBits.HasExtParameterInfos; |
4283 | } |
4284 | |
4285 | ArrayRef<ExtParameterInfo> getExtParameterInfos() const { |
4286 | assert(hasExtParameterInfos()); |
4287 | return ArrayRef<ExtParameterInfo>(getTrailingObjects<ExtParameterInfo>(), |
4288 | getNumParams()); |
4289 | } |
4290 | |
4291 | |
4292 | |
4293 | |
4294 | const ExtParameterInfo *getExtParameterInfosOrNull() const { |
4295 | if (!hasExtParameterInfos()) |
4296 | return nullptr; |
4297 | return getTrailingObjects<ExtParameterInfo>(); |
4298 | } |
4299 | |
4300 | ExtParameterInfo getExtParameterInfo(unsigned I) const { |
4301 | assert(I < getNumParams() && "parameter index out of range"); |
4302 | if (hasExtParameterInfos()) |
4303 | return getTrailingObjects<ExtParameterInfo>()[I]; |
4304 | return ExtParameterInfo(); |
4305 | } |
4306 | |
4307 | ParameterABI getParameterABI(unsigned I) const { |
4308 | assert(I < getNumParams() && "parameter index out of range"); |
4309 | if (hasExtParameterInfos()) |
4310 | return getTrailingObjects<ExtParameterInfo>()[I].getABI(); |
4311 | return ParameterABI::Ordinary; |
4312 | } |
4313 | |
4314 | bool isParamConsumed(unsigned I) const { |
4315 | assert(I < getNumParams() && "parameter index out of range"); |
4316 | if (hasExtParameterInfos()) |
4317 | return getTrailingObjects<ExtParameterInfo>()[I].isConsumed(); |
4318 | return false; |
4319 | } |
4320 | |
4321 | bool isSugared() const { return false; } |
4322 | QualType desugar() const { return QualType(this, 0); } |
4323 | |
4324 | void printExceptionSpecification(raw_ostream &OS, |
4325 | const PrintingPolicy &Policy) const; |
4326 | |
4327 | static bool classof(const Type *T) { |
4328 | return T->getTypeClass() == FunctionProto; |
4329 | } |
4330 | |
4331 | void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx); |
4332 | static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, |
4333 | param_type_iterator ArgTys, unsigned NumArgs, |
4334 | const ExtProtoInfo &EPI, const ASTContext &Context, |
4335 | bool Canonical); |
4336 | }; |
4337 | |
4338 | |
4339 | |
4340 | |
4341 | |
4342 | |
4343 | class UnresolvedUsingType : public Type { |
4344 | friend class ASTContext; |
4345 | |
4346 | UnresolvedUsingTypenameDecl *Decl; |
4347 | |
4348 | UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) |
4349 | : Type(UnresolvedUsing, QualType(), |
4350 | TypeDependence::DependentInstantiation), |
4351 | Decl(const_cast<UnresolvedUsingTypenameDecl *>(D)) {} |
4352 | |
4353 | public: |
4354 | UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } |
4355 | |
4356 | bool isSugared() const { return false; } |
4357 | QualType desugar() const { return QualType(this, 0); } |
4358 | |
4359 | static bool classof(const Type *T) { |
4360 | return T->getTypeClass() == UnresolvedUsing; |
4361 | } |
4362 | |
4363 | void Profile(llvm::FoldingSetNodeID &ID) { |
4364 | return Profile(ID, Decl); |
4365 | } |
4366 | |
4367 | static void Profile(llvm::FoldingSetNodeID &ID, |
4368 | UnresolvedUsingTypenameDecl *D) { |
4369 | ID.AddPointer(D); |
4370 | } |
4371 | }; |
4372 | |
4373 | class TypedefType : public Type { |
4374 | TypedefNameDecl *Decl; |
4375 | |
4376 | private: |
4377 | friend class ASTContext; |
4378 | |
4379 | TypedefType(TypeClass tc, const TypedefNameDecl *D, QualType underlying, |
4380 | QualType can); |
4381 | |
4382 | public: |
4383 | TypedefNameDecl *getDecl() const { return Decl; } |
4384 | |
4385 | bool isSugared() const { return true; } |
4386 | QualType desugar() const; |
4387 | |
4388 | static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } |
4389 | }; |
4390 | |
4391 | |
4392 | |
4393 | class MacroQualifiedType : public Type { |
4394 | friend class ASTContext; |
4395 | |
4396 | QualType UnderlyingTy; |
4397 | const IdentifierInfo *MacroII; |
4398 | |
4399 | MacroQualifiedType(QualType UnderlyingTy, QualType CanonTy, |
4400 | const IdentifierInfo *MacroII) |
4401 | : Type(MacroQualified, CanonTy, UnderlyingTy->getDependence()), |
4402 | UnderlyingTy(UnderlyingTy), MacroII(MacroII) { |
4403 | assert(isa<AttributedType>(UnderlyingTy) && |
4404 | "Expected a macro qualified type to only wrap attributed types."); |
4405 | } |
4406 | |
4407 | public: |
4408 | const IdentifierInfo *getMacroIdentifier() const { return MacroII; } |
4409 | QualType getUnderlyingType() const { return UnderlyingTy; } |
4410 | |
4411 | |
4412 | |
4413 | QualType getModifiedType() const; |
4414 | |
4415 | bool isSugared() const { return true; } |
4416 | QualType desugar() const; |
4417 | |
4418 | static bool classof(const Type *T) { |
4419 | return T->getTypeClass() == MacroQualified; |
4420 | } |
4421 | }; |
4422 | |
4423 | |
4424 | class TypeOfExprType : public Type { |
4425 | Expr *TOExpr; |
4426 | |
4427 | protected: |
4428 | friend class ASTContext; |
4429 | |
4430 | TypeOfExprType(Expr *E, QualType can = QualType()); |
4431 | |
4432 | public: |
4433 | Expr *getUnderlyingExpr() const { return TOExpr; } |
4434 | |
4435 | |
4436 | QualType desugar() const; |
4437 | |
4438 | |
4439 | bool isSugared() const; |
4440 | |
4441 | static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } |
4442 | }; |
4443 | |
4444 | |
4445 | |
4446 | |
4447 | |
4448 | |
4449 | |
4450 | class DependentTypeOfExprType |
4451 | : public TypeOfExprType, public llvm::FoldingSetNode { |
4452 | const ASTContext &Context; |
4453 | |
4454 | public: |
4455 | DependentTypeOfExprType(const ASTContext &Context, Expr *E) |
4456 | : TypeOfExprType(E), Context(Context) {} |
4457 | |
4458 | void Profile(llvm::FoldingSetNodeID &ID) { |
4459 | Profile(ID, Context, getUnderlyingExpr()); |
4460 | } |
4461 | |
4462 | static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, |
4463 | Expr *E); |
4464 | }; |
4465 | |
4466 | |
4467 | class TypeOfType : public Type { |
4468 | friend class ASTContext; |
4469 | |
4470 | QualType TOType; |
4471 | |
4472 | TypeOfType(QualType T, QualType can) |
4473 | : Type(TypeOf, can, T->getDependence()), TOType(T) { |
4474 | assert(!isa<TypedefType>(can) && "Invalid canonical type"); |
4475 | } |
4476 | |
4477 | public: |
4478 | QualType getUnderlyingType() const { return TOType; } |
4479 | |
4480 | |
4481 | QualType desugar() const { return getUnderlyingType(); } |
4482 | |
4483 | |
4484 | bool isSugared() const { return true; } |
4485 | |
4486 | static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } |
4487 | }; |
4488 | |
4489 | |
4490 | class DecltypeType : public Type { |
4491 | Expr *E; |
4492 | QualType UnderlyingType; |
4493 | |
4494 | protected: |
4495 | friend class ASTContext; |
4496 | |
4497 | DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); |
4498 | |
4499 | public: |
4500 | Expr *getUnderlyingExpr() const { return E; } |
4501 | QualType getUnderlyingType() const { return UnderlyingType; } |
4502 | |
4503 | |
4504 | QualType desugar() const; |
4505 | |
4506 | |
4507 | bool isSugared() const; |
4508 | |
4509 | static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } |
4510 | }; |
4511 | |
4512 | |
4513 | |
4514 | |
4515 | |
4516 | |
4517 | |
4518 | class DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { |
4519 | const ASTContext &Context; |
4520 | |
4521 | public: |
4522 | DependentDecltypeType(const ASTContext &Context, Expr *E); |
4523 | |
4524 | void Profile(llvm::FoldingSetNodeID &ID) { |
4525 | Profile(ID, Context, getUnderlyingExpr()); |
4526 | } |
4527 | |
4528 | static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, |
4529 | Expr *E); |
4530 | }; |
4531 | |
4532 | |
4533 | class UnaryTransformType : public Type { |
4534 | public: |
4535 | enum UTTKind { |
4536 | EnumUnderlyingType |
4537 | }; |
4538 | |
4539 | private: |
4540 | |
4541 | QualType BaseType; |
4542 | |
4543 | |
4544 | QualType UnderlyingType; |
4545 | |
4546 | UTTKind UKind; |
4547 | |
4548 | protected: |
4549 | friend class ASTContext; |
4550 | |
4551 | UnaryTransformType(QualType BaseTy, QualType UnderlyingTy, UTTKind UKind, |
4552 | QualType CanonicalTy); |
4553 | |
4554 | public: |
4555 | bool isSugared() const { return !isDependentType(); } |
4556 | QualType desugar() const { return UnderlyingType; } |
4557 | |
4558 | QualType getUnderlyingType() const { return UnderlyingType; } |
4559 | QualType getBaseType() const { return BaseType; } |
4560 | |
4561 | UTTKind getUTTKind() const { return UKind; } |
4562 | |
4563 | static bool classof(const Type *T) { |
4564 | return T->getTypeClass() == UnaryTransform; |
4565 | } |
4566 | }; |
4567 | |
4568 | |
4569 | |
4570 | |
4571 | |
4572 | |
4573 | |
4574 | class DependentUnaryTransformType : public UnaryTransformType, |
4575 | public llvm::FoldingSetNode { |
4576 | public: |
4577 | DependentUnaryTransformType(const ASTContext &C, QualType BaseType, |
4578 | UTTKind UKind); |
4579 | |
4580 | void Profile(llvm::FoldingSetNodeID &ID) { |
4581 | Profile(ID, getBaseType(), getUTTKind()); |
4582 | } |
4583 | |
4584 | static void Profile(llvm::FoldingSetNodeID &ID, QualType BaseType, |
4585 | UTTKind UKind) { |
4586 | ID.AddPointer(BaseType.getAsOpaquePtr()); |
4587 | ID.AddInteger((unsigned)UKind); |
4588 | } |
4589 | }; |
4590 | |
4591 | class TagType : public Type { |
4592 | friend class ASTReader; |
4593 | template <class T> friend class serialization::AbstractTypeReader; |
4594 | |
4595 | |
4596 | |
4597 | TagDecl *decl; |
4598 | |
4599 | protected: |
4600 | TagType(TypeClass TC, const TagDecl *D, QualType can); |
4601 | |
4602 | public: |
4603 | TagDecl *getDecl() const; |
4604 | |
4605 | |
4606 | bool isBeingDefined() const; |
4607 | |
4608 | static bool classof(const Type *T) { |
4609 | return T->getTypeClass() == Enum || T->getTypeClass() == Record; |
4610 | } |
4611 | }; |
4612 | |
4613 | |
4614 | |
4615 | class RecordType : public TagType { |
4616 | protected: |
4617 | friend class ASTContext; |
4618 | |
4619 | explicit RecordType(const RecordDecl *D) |
4620 | : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) {} |
4621 | explicit RecordType(TypeClass TC, RecordDecl *D) |
4622 | : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) {} |
4623 | |
4624 | public: |
4625 | RecordDecl *getDecl() const { |
4626 | return reinterpret_cast<RecordDecl*>(TagType::getDecl()); |
4627 | } |
4628 | |
4629 | |
4630 | |
4631 | bool hasConstFields() const; |
4632 | |
4633 | bool isSugared() const { return false; } |
4634 | QualType desugar() const { return QualType(this, 0); } |
4635 | |
4636 | static bool classof(const Type *T) { return T->getTypeClass() == Record; } |
4637 | }; |
4638 | |
4639 | |
4640 | |
4641 | class EnumType : public TagType { |
4642 | friend class ASTContext; |
4643 | |
4644 | explicit EnumType(const EnumDecl *D) |
4645 | : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) {} |
4646 | |
4647 | public: |
4648 | EnumDecl *getDecl() const { |
4649 | return reinterpret_cast<EnumDecl*>(TagType::getDecl()); |
4650 | } |
4651 | |
4652 | bool isSugared() const { return false; } |
4653 | QualType desugar() const { return QualType(this, 0); } |
4654 | |
4655 | static bool classof(const Type *T) { return T->getTypeClass() == Enum; } |
4656 | }; |
4657 | |
4658 | |
4659 | |
4660 | |
4661 | |
4662 | |
4663 | |
4664 | |
4665 | |
4666 | |
4667 | |
4668 | |
4669 | |
4670 | class AttributedType : public Type, public llvm::FoldingSetNode { |
4671 | public: |
4672 | using Kind = attr::Kind; |
4673 | |
4674 | private: |
4675 | friend class ASTContext; |
4676 | |
4677 | QualType ModifiedType; |
4678 | QualType EquivalentType; |
4679 | |
4680 | AttributedType(QualType canon, attr::Kind attrKind, QualType modified, |
4681 | QualType equivalent) |
4682 | : Type(Attributed, canon, equivalent->getDependence()), |
4683 | ModifiedType(modified), EquivalentType(equivalent) { |
4684 | AttributedTypeBits.AttrKind = attrKind; |
4685 | } |
4686 | |
4687 | public: |
4688 | Kind getAttrKind() const { |
4689 | return static_cast<Kind>(AttributedTypeBits.AttrKind); |
4690 | } |
4691 | |
4692 | QualType getModifiedType() const { return ModifiedType; } |
4693 | QualType getEquivalentType() const { return EquivalentType; } |
4694 | |
4695 | bool isSugared() const { return true; } |
4696 | QualType desugar() const { return getEquivalentType(); } |
4697 | |
4698 | |
4699 | |
4700 | |
4701 | |
4702 | |
4703 | |
4704 | |
4705 | |
4706 | |
4707 | |
4708 | |
4709 | |
4710 | |
4711 | |
4712 | |
4713 | bool isQualifier() const; |
4714 | |
4715 | bool isMSTypeSpec() const; |
4716 | |
4717 | bool isCallingConv() const; |
4718 | |
4719 | llvm::Optional<NullabilityKind> getImmediateNullability() const; |
4720 | |
4721 | |
4722 | |
4723 | static Kind getNullabilityAttrKind(NullabilityKind kind) { |
4724 | switch (kind) { |
4725 | case NullabilityKind::NonNull: |
4726 | return attr::TypeNonNull; |
4727 | |
4728 | case NullabilityKind::Nullable: |
4729 | return attr::TypeNullable; |
4730 | |
4731 | case NullabilityKind::NullableResult: |
4732 | return attr::TypeNullableResult; |
4733 | |
4734 | case NullabilityKind::Unspecified: |
4735 | return attr::TypeNullUnspecified; |
4736 | } |
4737 | llvm_unreachable("Unknown nullability kind."); |
4738 | } |
4739 | |
4740 | |
4741 | |
4742 | |
4743 | |
4744 | |
4745 | |
4746 | |
4747 | |
4748 | |
4749 | static Optional<NullabilityKind> stripOuterNullability(QualType &T); |
4750 | |
4751 | void Profile(llvm::FoldingSetNodeID &ID) { |
4752 | Profile(ID, getAttrKind(), ModifiedType, EquivalentType); |
4753 | } |
4754 | |
4755 | static void Profile(llvm::FoldingSetNodeID &ID, Kind attrKind, |
4756 | QualType modified, QualType equivalent) { |
4757 | ID.AddInteger(attrKind); |
4758 | ID.AddPointer(modified.getAsOpaquePtr()); |
4759 | ID.AddPointer(equivalent.getAsOpaquePtr()); |
4760 | } |
4761 | |
4762 | static bool classof(const Type *T) { |
4763 | return T->getTypeClass() == Attributed; |
4764 | } |
4765 | }; |
4766 | |
4767 | class TemplateTypeParmType : public Type, public llvm::FoldingSetNode { |
4768 | friend class ASTContext; |
4769 | |
4770 | |
4771 | struct CanonicalTTPTInfo { |
4772 | unsigned Depth : 15; |
4773 | unsigned ParameterPack : 1; |
4774 | unsigned Index : 16; |
4775 | }; |
4776 | |
4777 | union { |
4778 | |
4779 | CanonicalTTPTInfo CanTTPTInfo; |
4780 | |
4781 | |
4782 | TemplateTypeParmDecl *TTPDecl; |
4783 | }; |
4784 | |
4785 | |
4786 | TemplateTypeParmType(TemplateTypeParmDecl *TTPDecl, QualType Canon) |
4787 | : Type(TemplateTypeParm, Canon, |
4788 | TypeDependence::DependentInstantiation | |
4789 | (Canon->getDependence() & TypeDependence::UnexpandedPack)), |
4790 | TTPDecl(TTPDecl) {} |
4791 | |
4792 | |
4793 | TemplateTypeParmType(unsigned D, unsigned I, bool PP) |
4794 | : Type(TemplateTypeParm, QualType(this, 0), |
4795 | TypeDependence::DependentInstantiation | |
4796 | (PP ? TypeDependence::UnexpandedPack : TypeDependence::None)) { |
4797 | CanTTPTInfo.Depth = D; |
4798 | CanTTPTInfo.Index = I; |
4799 | CanTTPTInfo.ParameterPack = PP; |
4800 | } |
4801 | |
4802 | const CanonicalTTPTInfo& getCanTTPTInfo() const { |
4803 | QualType Can = getCanonicalTypeInternal(); |
4804 | return Can->castAs<TemplateTypeParmType>()->CanTTPTInfo; |
4805 | } |
4806 | |
4807 | public: |
4808 | unsigned getDepth() const { return getCanTTPTInfo().Depth; } |
4809 | unsigned getIndex() const { return getCanTTPTInfo().Index; } |
4810 | bool isParameterPack() const { return getCanTTPTInfo().ParameterPack; } |
4811 | |
4812 | TemplateTypeParmDecl *getDecl() const { |
4813 | return isCanonicalUnqualified() ? nullptr : TTPDecl; |
4814 | } |
4815 | |
4816 | IdentifierInfo *getIdentifier() const; |
4817 | |
4818 | bool isSugared() const { return false; } |
4819 | QualType desugar() const { return QualType(this, 0); } |
4820 | |
4821 | void Profile(llvm::FoldingSetNodeID &ID) { |
4822 | Profile(ID, getDepth(), getIndex(), isParameterPack(), getDecl()); |
4823 | } |
4824 | |
4825 | static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, |
4826 | unsigned Index, bool ParameterPack, |
4827 | TemplateTypeParmDecl *TTPDecl) { |
4828 | ID.AddInteger(Depth); |
4829 | ID.AddInteger(Index); |
4830 | ID.AddBoolean(ParameterPack); |
4831 | ID.AddPointer(TTPDecl); |
4832 | } |
4833 | |
4834 | static bool classof(const Type *T) { |
4835 | return T->getTypeClass() == TemplateTypeParm; |
4836 | } |
4837 | }; |
4838 | |
4839 | |
4840 | |
4841 | |
4842 | |
4843 | |
4844 | |
4845 | |
4846 | class SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { |
4847 | friend class ASTContext; |
4848 | |
4849 | |
4850 | const TemplateTypeParmType *Replaced; |
4851 | |
4852 | SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) |
4853 | : Type(SubstTemplateTypeParm, Canon, Canon->getDependence()), |
4854 | Replaced(Param) {} |
4855 | |
4856 | public: |
4857 | |
4858 | const TemplateTypeParmType *getReplacedParameter() const { |
4859 | return Replaced; |
4860 | } |
4861 | |
4862 | |
4863 | |
4864 | QualType getReplacementType() const { |
4865 | return getCanonicalTypeInternal(); |
4866 | } |
4867 | |
4868 | bool isSugared() const { return true; } |
4869 | QualType desugar() const { return getReplacementType(); } |
4870 | |
4871 | void Profile(llvm::FoldingSetNodeID &ID) { |
4872 | Profile(ID, getReplacedParameter(), getReplacementType()); |
4873 | } |
4874 | |
4875 | static void Profile(llvm::FoldingSetNodeID &ID, |
4876 | const TemplateTypeParmType *Replaced, |
4877 | QualType Replacement) { |
4878 | ID.AddPointer(Replaced); |
4879 | ID.AddPointer(Replacement.getAsOpaquePtr()); |
4880 | } |
4881 | |
4882 | static bool classof(const Type *T) { |
4883 | return T->getTypeClass() == SubstTemplateTypeParm; |
4884 | } |
4885 | }; |
4886 | |
4887 | |
4888 | |
4889 | |
4890 | |
4891 | |
4892 | |
4893 | |
4894 | |
4895 | |
4896 | |
4897 | |
4898 | |
4899 | class SubstTemplateTypeParmPackType : public Type, public llvm::FoldingSetNode { |
4900 | friend class ASTContext; |
4901 | |
4902 | |
4903 | const TemplateTypeParmType *Replaced; |
4904 | |
4905 | |
4906 | |
4907 | const TemplateArgument *Arguments; |
4908 | |
4909 | SubstTemplateTypeParmPackType(const TemplateTypeParmType *Param, |
4910 | QualType Canon, |
4911 | const TemplateArgument &ArgPack); |
4912 | |
4913 | public: |
4914 | IdentifierInfo *getIdentifier() const { return Replaced->getIdentifier(); } |
4915 | |
4916 | |
4917 | const TemplateTypeParmType *getReplacedParameter() const { |
4918 | return Replaced; |
4919 | } |
4920 | |
4921 | unsigned getNumArgs() const { |
4922 | return SubstTemplateTypeParmPackTypeBits.NumArgs; |
4923 | } |
4924 | |
4925 | bool isSugared() const { return false; } |
4926 | QualType desugar() const { return QualType(this, 0); } |
4927 | |
4928 | TemplateArgument getArgumentPack() const; |
4929 | |
4930 | void Profile(llvm::FoldingSetNodeID &ID); |
4931 | static void Profile(llvm::FoldingSetNodeID &ID, |
4932 | const TemplateTypeParmType *Replaced, |
4933 | const TemplateArgument &ArgPack); |
4934 | |
4935 | static bool classof(const Type *T) { |
4936 | return T->getTypeClass() == SubstTemplateTypeParmPack; |
4937 | } |
4938 | }; |
4939 | |
4940 | |
4941 | |
4942 | |
4943 | |
4944 | |
4945 | |
4946 | |
4947 | |
4948 | class DeducedType : public Type { |
4949 | protected: |
4950 | DeducedType(TypeClass TC, QualType DeducedAsType, |
4951 | TypeDependence ExtraDependence) |
4952 | : Type(TC, |
4953 | |
4954 | DeducedAsType.isNull() ? QualType(this, 0) |
4955 | : DeducedAsType.getCanonicalType(), |
4956 | ExtraDependence | (DeducedAsType.isNull() |
4957 | ? TypeDependence::None |
4958 | : DeducedAsType->getDependence() & |
4959 | ~TypeDependence::VariablyModified)) {} |
4960 | |
4961 | public: |
4962 | bool isSugared() const { return !isCanonicalUnqualified(); } |
4963 | QualType desugar() const { return getCanonicalTypeInternal(); } |
4964 | |
4965 | |
4966 | |
4967 | QualType getDeducedType() const { |
4968 | return !isCanonicalUnqualified() ? getCanonicalTypeInternal() : QualType(); |
4969 | } |
4970 | bool isDeduced() const { |
4971 | return !isCanonicalUnqualified() || isDependentType(); |
4972 | } |
4973 | |
4974 | static bool classof(const Type *T) { |
4975 | return T->getTypeClass() == Auto || |
4976 | T->getTypeClass() == DeducedTemplateSpecialization; |
4977 | } |
4978 | }; |
4979 | |
4980 | |
4981 | |
4982 | class alignas(8) AutoType : public DeducedType, public llvm::FoldingSetNode { |
4983 | friend class ASTContext; |
4984 | |
4985 | ConceptDecl *TypeConstraintConcept; |
4986 | |
4987 | AutoType(QualType DeducedAsType, AutoTypeKeyword Keyword, |
4988 | TypeDependence ExtraDependence, ConceptDecl *CD, |
4989 | ArrayRef<TemplateArgument> TypeConstraintArgs); |
4990 | |
4991 | const TemplateArgument *getArgBuffer() const { |
4992 | return reinterpret_cast<const TemplateArgument*>(this+1); |
4993 | } |
4994 | |
4995 | TemplateArgument *getArgBuffer() { |
4996 | return reinterpret_cast<TemplateArgument*>(this+1); |
4997 | } |
4998 | |
4999 | public: |
5000 | |
5001 | const TemplateArgument *getArgs() const { |
5002 | return getArgBuffer(); |
5003 | } |
5004 | |
5005 | |
5006 | unsigned getNumArgs() const { |
5007 | return AutoTypeBits.NumArgs; |
5008 | } |
5009 | |
5010 | const TemplateArgument &getArg(unsigned Idx) const; |
5011 | |
5012 | ArrayRef<TemplateArgument> getTypeConstraintArguments() const { |
5013 | return {getArgs(), getNumArgs()}; |
5014 | } |
5015 | |
5016 | ConceptDecl *getTypeConstraintConcept() const { |
5017 | return TypeConstraintConcept; |
5018 | } |
5019 | |
5020 | bool isConstrained() const { |
5021 | return TypeConstraintConcept != nullptr; |
5022 | } |
5023 | |
5024 | bool isDecltypeAuto() const { |
5025 | return getKeyword() == AutoTypeKeyword::DecltypeAuto; |
5026 | } |
5027 | |
5028 | AutoTypeKeyword getKeyword() const { |
5029 | return (AutoTypeKeyword)AutoTypeBits.Keyword; |
5030 | } |
5031 | |
5032 | void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context) { |
5033 | Profile(ID, Context, getDeducedType(), getKeyword(), isDependentType(), |
5034 | getTypeConstraintConcept(), getTypeConstraintArguments()); |
5035 | } |
5036 | |
5037 | static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, |
5038 | QualType Deduced, AutoTypeKeyword Keyword, |
5039 | bool IsDependent, ConceptDecl *CD, |
5040 | ArrayRef<TemplateArgument> Arguments); |
5041 | |
5042 | static bool classof(const Type *T) { |
5043 | return T->getTypeClass() == Auto; |
5044 | } |
5045 | }; |
5046 | |
5047 | |
5048 | class DeducedTemplateSpecializationType : public DeducedType, |
5049 | public llvm::FoldingSetNode { |
5050 | friend class ASTContext; |
5051 | |
5052 | |
5053 | TemplateName Template; |
5054 | |
5055 | DeducedTemplateSpecializationType(TemplateName Template, |
5056 | QualType DeducedAsType, |
5057 | bool IsDeducedAsDependent) |
5058 | : DeducedType(DeducedTemplateSpecialization, DeducedAsType, |
5059 | toTypeDependence(Template.getDependence()) | |
5060 | (IsDeducedAsDependent |
5061 | ? TypeDependence::DependentInstantiation |
5062 | : TypeDependence::None)), |
5063 | Template(Template) {} |
5064 | |
5065 | public: |
5066 | |
5067 | TemplateName getTemplateName() const { return Template;} |
5068 | |
5069 | void Profile(llvm::FoldingSetNodeID &ID) { |
5070 | Profile(ID, getTemplateName(), getDeducedType(), isDependentType()); |
5071 | } |
5072 | |
5073 | static void Profile(llvm::FoldingSetNodeID &ID, TemplateName Template, |
5074 | QualType Deduced, bool IsDependent) { |
5075 | Template.Profile(ID); |
5076 | ID.AddPointer(Deduced.getAsOpaquePtr()); |
5077 | ID.AddBoolean(IsDependent); |
5078 | } |
5079 | |
5080 | static bool classof(const Type *T) { |
5081 | return T->getTypeClass() == DeducedTemplateSpecialization; |
5082 | } |
5083 | }; |
5084 | |
5085 | |
5086 | |
5087 | |
5088 | |
5089 | |
5090 | |
5091 | |
5092 | |
5093 | |
5094 | |
5095 | |
5096 | |
5097 | |
5098 | |
5099 | |
5100 | |
5101 | |
5102 | |
5103 | |
5104 | |
5105 | class alignas(8) TemplateSpecializationType |
5106 | : public Type, |
5107 | public llvm::FoldingSetNode { |
5108 | friend class ASTContext; |
5109 | |
5110 | |
5111 | |
5112 | |
5113 | |
5114 | |
5115 | |
5116 | |
5117 | TemplateName Template; |
5118 | |
5119 | TemplateSpecializationType(TemplateName T, |
5120 | ArrayRef<TemplateArgument> Args, |
5121 | QualType Canon, |
5122 | QualType Aliased); |
5123 | |
5124 | public: |
5125 | |
5126 | |
5127 | |
5128 | |
5129 | |
5130 | |
5131 | |
5132 | |
5133 | |
5134 | |
5135 | |
5136 | static bool |
5137 | anyDependentTemplateArguments(ArrayRef<TemplateArgumentLoc> Args, |
5138 | ArrayRef<TemplateArgument> Converted); |
5139 | static bool |
5140 | anyDependentTemplateArguments(const TemplateArgumentListInfo &, |
5141 | ArrayRef<TemplateArgument> Converted); |
5142 | static bool anyInstantiationDependentTemplateArguments( |
5143 | ArrayRef<TemplateArgumentLoc> Args); |
5144 | |
5145 | |
5146 | |
5147 | bool isCurrentInstantiation() const { |
5148 | return isa<InjectedClassNameType>(getCanonicalTypeInternal()); |
5149 | } |
5150 | |
5151 | |
5152 | |
5153 | |
5154 | |
5155 | |
5156 | |
5157 | |
5158 | |
5159 | |
5160 | |
5161 | |
5162 | |
5163 | |
5164 | |
5165 | |
5166 | bool isTypeAlias() const { return TemplateSpecializationTypeBits.TypeAlias; } |
5167 | |
5168 | |
5169 | |
5170 | QualType getAliasedType() const { |
5171 | assert(isTypeAlias() && "not a type alias template specialization"); |
5172 | return *reinterpret_cast<const QualType*>(end()); |
5173 | } |
5174 | |
5175 | using iterator = const TemplateArgument *; |
5176 | |
5177 | iterator begin() const { return getArgs(); } |
5178 | iterator end() const; |
5179 | |
5180 | |
5181 | TemplateName getTemplateName() const { return Template; } |
5182 | |
5183 | |
5184 | const TemplateArgument *getArgs() const { |
5185 | return reinterpret_cast<const TemplateArgument *>(this + 1); |
5186 | } |
5187 | |
5188 | |
5189 | unsigned getNumArgs() const { |
5190 | return TemplateSpecializationTypeBits.NumArgs; |
5191 | } |
5192 | |
5193 | |
5194 | |
5195 | const TemplateArgument &getArg(unsigned Idx) const; |
5196 | |
5197 | ArrayRef<TemplateArgument> template_arguments() const { |
5198 | return {getArgs(), getNumArgs()}; |
5199 | } |
5200 | |
5201 | bool isSugared() const { |
5202 | return !isDependentType() || isCurrentInstantiation() || isTypeAlias(); |
5203 | } |
5204 | |
5205 | QualType desugar() const { |
5206 | return isTypeAlias() ? getAliasedType() : getCanonicalTypeInternal(); |
5207 | } |
5208 | |
5209 | void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx) { |
5210 | Profile(ID, Template, template_arguments(), Ctx); |
5211 | if (isTypeAlias()) |
5212 | getAliasedType().Profile(ID); |
5213 | } |
5214 | |
5215 | static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, |
5216 | ArrayRef<TemplateArgument> Args, |
5217 | const ASTContext &Context); |
5218 | |
5219 | static bool classof(const Type *T) { |
5220 | return T->getTypeClass() == TemplateSpecialization; |
5221 | } |
5222 | }; |
5223 | |
5224 | |
5225 | |
5226 | void printTemplateArgumentList(raw_ostream &OS, |
5227 | ArrayRef<TemplateArgument> Args, |
5228 | const PrintingPolicy &Policy, |
5229 | const TemplateParameterList *TPL = nullptr); |
5230 | |
5231 | void printTemplateArgumentList(raw_ostream &OS, |
5232 | ArrayRef<TemplateArgumentLoc> Args, |
5233 | const PrintingPolicy &Policy, |
5234 | const TemplateParameterList *TPL = nullptr); |
5235 | |
5236 | void printTemplateArgumentList(raw_ostream &OS, |
5237 | const TemplateArgumentListInfo &Args, |
5238 | const PrintingPolicy &Policy, |
5239 | const TemplateParameterList *TPL = nullptr); |
5240 | |
5241 | |
5242 | |
5243 | |
5244 | |
5245 | |
5246 | |
5247 | |
5248 | |
5249 | |
5250 | |
5251 | |
5252 | |
5253 | |
5254 | |
5255 | |
5256 | |
5257 | |
5258 | class InjectedClassNameType : public Type { |
5259 | friend class ASTContext; |
5260 | friend class ASTNodeImporter; |
5261 | friend class ASTReader; |
5262 | |
5263 | |
5264 | template <class T> friend class serialization::AbstractTypeReader; |
5265 | |
5266 | CXXRecordDecl *Decl; |
5267 | |
5268 | |
5269 | |
5270 | |
5271 | |
5272 | |
5273 | |
5274 | |
5275 | |
5276 | |
5277 | QualType InjectedType; |
5278 | |
5279 | InjectedClassNameType(CXXRecordDecl *D, QualType TST) |
5280 | : Type(InjectedClassName, QualType(), |
5281 | TypeDependence::DependentInstantiation), |
5282 | Decl(D), InjectedType(TST) { |
5283 | assert(isa<TemplateSpecializationType>(TST)); |
5284 | assert(!TST.hasQualifiers()); |
5285 | assert(TST->isDependentType()); |
5286 | } |
5287 | |
5288 | public: |
5289 | QualType getInjectedSpecializationType() const { return InjectedType; } |
5290 | |
5291 | const TemplateSpecializationType *getInjectedTST() const { |
5292 | return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); |
5293 | } |
5294 | |
5295 | TemplateName getTemplateName() const { |
5296 | return getInjectedTST()->getTemplateName(); |
5297 | } |
5298 | |
5299 | CXXRecordDecl *getDecl() const; |
5300 | |
5301 | bool isSugared() const { return false; } |
5302 | QualType desugar() const { return QualType(this, 0); } |
5303 | |
5304 | static bool classof(const Type *T) { |
5305 | return T->getTypeClass() == InjectedClassName; |
5306 | } |
5307 | }; |
5308 | |
5309 | |
5310 | enum TagTypeKind { |
5311 | |
5312 | TTK_Struct, |
5313 | |
5314 | |
5315 | TTK_Interface, |
5316 | |
5317 | |
5318 | TTK_Union, |
5319 | |
5320 | |
5321 | TTK_Class, |
5322 | |
5323 | |
5324 | TTK_Enum |
5325 | }; |
5326 | |
5327 | |
5328 | |
5329 | enum ElaboratedTypeKeyword { |
5330 | |
5331 | ETK_Struct, |
5332 | |
5333 | |
5334 | ETK_Interface, |
5335 | |
5336 | |
5337 | ETK_Union, |
5338 | |
5339 | |
5340 | ETK_Class, |
5341 | |
5342 | |
5343 | ETK_Enum, |
5344 | |
5345 | |
5346 | |
5347 | ETK_Typename, |
5348 | |
5349 | |
5350 | ETK_None |
5351 | }; |
5352 | |
5353 | |
5354 | |
5355 | |
5356 | |
5357 | class TypeWithKeyword : public Type { |
5358 | protected: |
5359 | TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, |
5360 | QualType Canonical, TypeDependence Dependence) |
5361 | : Type(tc, Canonical, Dependence) { |
5362 | TypeWithKeywordBits.Keyword = Keyword; |
5363 | } |
5364 | |
5365 | public: |
5366 | ElaboratedTypeKeyword getKeyword() const { |
5367 | return static_cast<ElaboratedTypeKeyword>(TypeWithKeywordBits.Keyword); |
5368 | } |
5369 | |
5370 | |
5371 | static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); |
5372 | |
5373 | |
5374 | |
5375 | static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); |
5376 | |
5377 | |
5378 | static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); |
5379 | |
5380 | |
5381 | |
5382 | |
5383 | static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); |
5384 | |
5385 | static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); |
5386 | |
5387 | static StringRef getKeywordName(ElaboratedTypeKeyword Keyword); |
5388 | |
5389 | static StringRef getTagTypeKindName(TagTypeKind Kind) { |
5390 | return getKeywordName(getKeywordForTagTypeKind(Kind)); |
5391 | } |
5392 | |
5393 | class CannotCastToThisType {}; |
5394 | static CannotCastToThisType classof(const Type *); |
5395 | }; |
5396 | |
5397 | |
5398 | |
5399 | |
5400 | |
5401 | |
5402 | |
5403 | |
5404 | |
5405 | class ElaboratedType final |
5406 | : public TypeWithKeyword, |
5407 | public llvm::FoldingSetNode, |
5408 | private llvm::TrailingObjects<ElaboratedType, TagDecl *> { |
5409 | friend class ASTContext; |
5410 | friend TrailingObjects; |
5411 | |
5412 | |
5413 | NestedNameSpecifier *NNS; |
5414 | |
5415 | |
5416 | QualType NamedType; |
5417 | |
5418 | |
5419 | |
5420 | |
5421 | |
5422 | ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, |
5423 | QualType NamedType, QualType CanonType, TagDecl *OwnedTagDecl) |
5424 | : TypeWithKeyword(Keyword, Elaborated, CanonType, |
5425 | |
5426 | |
5427 | |
5428 | |
5429 | NamedType->getDependence() | |
5430 | (NNS ? toSyntacticDependence( |
5431 | toTypeDependence(NNS->getDependence())) |
5432 | : TypeDependence::None)), |
5433 | NNS(NNS), NamedType(NamedType) { |
5434 | ElaboratedTypeBits.HasOwnedTagDecl = false; |
5435 | if (OwnedTagDecl) { |
5436 | ElaboratedTypeBits.HasOwnedTagDecl = true; |
5437 | *getTrailingObjects<TagDecl *>() = OwnedTagDecl; |
5438 | } |
5439 | assert(!(Keyword == ETK_None && NNS == nullptr) && |
5440 | "ElaboratedType cannot have elaborated type keyword " |
5441 | "and name qualifier both null."); |
5442 | } |
5443 | |
5444 | public: |
5445 | |
5446 | NestedNameSpecifier *getQualifier() const { return NNS; } |
5447 | |
5448 | |
5449 | QualType getNamedType() const { return NamedType; } |
5450 | |
5451 | |
5452 | QualType desugar() const { return getNamedType(); } |
5453 | |
5454 | |
5455 | bool isSugared() const { return true; } |
5456 | |
5457 | |
5458 | |
5459 | TagDecl *getOwnedTagDecl() const { |
5460 | return ElaboratedTypeBits.HasOwnedTagDecl ? *getTrailingObjects<TagDecl *>() |
5461 | : nullptr; |
5462 | } |
5463 | |
5464 | void Profile(llvm::FoldingSetNodeID &ID) { |
5465 | Profile(ID, getKeyword(), NNS, NamedType, getOwnedTagDecl()); |
5466 | } |
5467 | |
5468 | static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, |
5469 | NestedNameSpecifier *NNS, QualType NamedType, |
5470 | TagDecl *OwnedTagDecl) { |
5471 | ID.AddInteger(Keyword); |
5472 | ID.AddPointer(NNS); |
5473 | NamedType.Profile(ID); |
5474 | ID.AddPointer(OwnedTagDecl); |
5475 | } |
5476 | |
5477 | static bool classof(const Type *T) { return T->getTypeClass() == Elaborated; } |
5478 | }; |
5479 | |
5480 | |
5481 | |
5482 | |
5483 | |
5484 | |
5485 | |
5486 | |
5487 | |
5488 | |
5489 | |
5490 | |
5491 | |
5492 | class DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { |
5493 | friend class ASTContext; |
5494 | |
5495 | |
5496 | NestedNameSpecifier *NNS; |
5497 | |
5498 | |
5499 | const IdentifierInfo *Name; |
5500 | |
5501 | DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, |
5502 | const IdentifierInfo *Name, QualType CanonType) |
5503 | : TypeWithKeyword(Keyword, DependentName, CanonType, |
5504 | TypeDependence::DependentInstantiation | |
5505 | toTypeDependence(NNS->getDependence())), |
5506 | NNS(NNS), Name(Name) {} |
5507 | |
5508 | public: |
5509 | |
5510 | NestedNameSpecifier *getQualifier() const { return NNS; } |
5511 | |
5512 | |
5513 | |
5514 | |
5515 | |
5516 | |
5517 | const IdentifierInfo *getIdentifier() const { |
5518 | return Name; |
5519 | } |
5520 | |
5521 | bool isSugared() const { return false; } |
5522 | QualType desugar() const { return QualType(this, 0); } |
5523 | |
5524 | void Profile(llvm::FoldingSetNodeID &ID) { |
5525 | Profile(ID, getKeyword(), NNS, Name); |
5526 | } |
5527 | |
5528 | static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, |
5529 | NestedNameSpecifier *NNS, const IdentifierInfo *Name) { |
5530 | ID.AddInteger(Keyword); |
5531 | ID.AddPointer(NNS); |
5532 | ID.AddPointer(Name); |
5533 | } |
5534 | |
5535 | static bool classof(const Type *T) { |
5536 | return T->getTypeClass() == DependentName; |
5537 | } |
5538 | }; |
5539 | |
5540 | |
5541 | |
5542 | |
5543 | class alignas(8) DependentTemplateSpecializationType |
5544 | : public TypeWithKeyword, |
5545 | public llvm::FoldingSetNode { |
5546 | friend class ASTContext; |
5547 | |
5548 | |
5549 | NestedNameSpecifier *NNS; |
5550 | |
5551 | |
5552 | const IdentifierInfo *Name; |
5553 | |
5554 | DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, |
5555 | NestedNameSpecifier *NNS, |
5556 | const IdentifierInfo *Name, |
5557 | ArrayRef<TemplateArgument> Args, |
5558 | QualType Canon); |
5559 | |
5560 | const TemplateArgument *getArgBuffer() const { |
5561 | return reinterpret_cast<const TemplateArgument*>(this+1); |
5562 | } |
5563 | |
5564 | TemplateArgument *getArgBuffer() { |
5565 | return reinterpret_cast<TemplateArgument*>(this+1); |
5566 | } |
5567 | |
5568 | public: |
5569 | NestedNameSpecifier *getQualifier() const { return NNS; } |
5570 | const IdentifierInfo *getIdentifier() const { return Name; } |
5571 | |
5572 | |
5573 | const TemplateArgument *getArgs() const { |
5574 | return getArgBuffer(); |
5575 | } |
5576 | |
5577 | |
5578 | unsigned getNumArgs() const { |
5579 | return DependentTemplateSpecializationTypeBits.NumArgs; |
5580 | } |
5581 | |
5582 | const TemplateArgument &getArg(unsigned Idx) const; |
5583 | |
5584 | ArrayRef<TemplateArgument> template_arguments() const { |
5585 | return {getArgs(), getNumArgs()}; |
5586 | } |
5587 | |
5588 | using iterator = const TemplateArgument *; |
5589 | |
5590 | iterator begin() const { return getArgs(); } |
5591 | iterator end() const; |
5592 | |
5593 | bool isSugared() const { return false; } |
5594 | QualType desugar() const { return QualType(this, 0); } |
5595 | |
5596 | void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context) { |
5597 | Profile(ID, Context, getKeyword(), NNS, Name, {getArgs(), getNumArgs()}); |
5598 | } |
5599 | |
5600 | static void Profile(llvm::FoldingSetNodeID &ID, |
5601 | const ASTContext &Context, |
5602 | ElaboratedTypeKeyword Keyword, |
5603 | NestedNameSpecifier *Qualifier, |
5604 | const IdentifierInfo *Name, |
5605 | ArrayRef<TemplateArgument> Args); |
5606 | |
5607 | static bool classof(const Type *T) { |
5608 | return T->getTypeClass() == DependentTemplateSpecialization; |
5609 | } |
5610 | }; |
5611 | |
5612 | |
5613 | |
5614 | |
5615 | |
5616 | |
5617 | |
5618 | |
5619 | |
5620 | |
5621 | |
5622 | |
5623 | |
5624 | |
5625 | |
5626 | |
5627 | |
5628 | |
5629 | |
5630 | |
5631 | |
5632 | |
5633 | |
5634 | class PackExpansionType : public Type, public llvm::FoldingSetNode { |
5635 | friend class ASTContext; |
5636 | |
5637 | |
5638 | QualType Pattern; |
5639 | |
5640 | PackExpansionType(QualType Pattern, QualType Canon, |
5641 | Optional<unsigned> NumExpansions) |
5642 | : Type(PackExpansion, Canon, |
5643 | (Pattern->getDependence() | TypeDependence::Dependent | |
5644 | TypeDependence::Instantiation) & |
5645 | ~TypeDependence::UnexpandedPack), |
5646 | Pattern(Pattern) { |
5647 | PackExpansionTypeBits.NumExpansions = |
5648 | NumExpansions ? *NumExpansions + 1 : 0; |
5649 | } |
5650 | |
5651 | public: |
5652 | |
5653 | |
5654 | |
5655 | QualType getPattern() const { return Pattern; } |
5656 | |
5657 | |
5658 | |
5659 | Optional<unsigned> getNumExpansions() const { |
5660 | if (PackExpansionTypeBits.NumExpansions) |
5661 | return PackExpansionTypeBits.NumExpansions - 1; |
5662 | return None; |
5663 | } |
5664 | |
5665 | bool isSugared() const { return false; } |
5666 | QualType desugar() const { return QualType(this, 0); } |
5667 | |
5668 | void Profile(llvm::FoldingSetNodeID &ID) { |
5669 | Profile(ID, getPattern(), getNumExpansions()); |
5670 | } |
5671 | |
5672 | static void Profile(llvm::FoldingSetNodeID &ID, QualType Pattern, |
5673 | Optional<unsigned> NumExpansions) { |
5674 | ID.AddPointer(Pattern.getAsOpaquePtr()); |
5675 | ID.AddBoolean(NumExpansions.hasValue()); |
5676 | if (NumExpansions) |
5677 | ID.AddInteger(*NumExpansions); |
5678 | } |
5679 | |
5680 | static bool classof(const Type *T) { |
5681 | return T->getTypeClass() == PackExpansion; |
5682 | } |
5683 | }; |
5684 | |
5685 | |
5686 | |
5687 | template <class T> |
5688 | class ObjCProtocolQualifiers { |
5689 | protected: |
5690 | ObjCProtocolQualifiers() = default; |
5691 | |
5692 | ObjCProtocolDecl * const *getProtocolStorage() const { |
5693 | return const_cast<ObjCProtocolQualifiers*>(this)->getProtocolStorage(); |
5694 | } |
5695 | |
5696 | ObjCProtocolDecl **getProtocolStorage() { |
5697 | return static_cast<T*>(this)->getProtocolStorageImpl(); |
5698 | } |
5699 | |
5700 | void setNumProtocols(unsigned N) { |
5701 | static_cast<T*>(this)->setNumProtocolsImpl(N); |
5702 | } |
5703 | |
5704 | void initialize(ArrayRef<ObjCProtocolDecl *> protocols) { |
5705 | setNumProtocols(protocols.size()); |
5706 | assert(getNumProtocols() == protocols.size() && |
5707 | "bitfield overflow in protocol count"); |
5708 | if (!protocols.empty()) |
5709 | memcpy(getProtocolStorage(), protocols.data(), |
5710 | protocols.size() * sizeof(ObjCProtocolDecl*)); |
5711 | } |
5712 | |
5713 | public: |
5714 | using qual_iterator = ObjCProtocolDecl * const *; |
5715 | using qual_range = llvm::iterator_range<qual_iterator>; |
5716 | |
5717 | qual_range quals() const { return qual_range(qual_begin(), qual_end()); } |
5718 | qual_iterator qual_begin() const { return getProtocolStorage(); } |
5719 | qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } |
5720 | |
5721 | bool qual_empty() const { return getNumProtocols() == 0; } |
5722 | |
5723 | |
5724 | |
5725 | unsigned getNumProtocols() const { |
5726 | return static_cast<const T*>(this)->getNumProtocolsImpl(); |
5727 | } |
5728 | |
5729 | |
5730 | ObjCProtocolDecl *getProtocol(unsigned I) const { |
5731 | assert(I < getNumProtocols() && "Out-of-range protocol access"); |
5732 | return qual_begin()[I]; |
5733 | } |
5734 | |
5735 | |
5736 | ArrayRef<ObjCProtocolDecl *> getProtocols() const { |
5737 | return ArrayRef<ObjCProtocolDecl *>(qual_begin(), getNumProtocols()); |
5738 | } |
5739 | }; |
5740 | |
5741 | |
5742 | |
5743 | class ObjCTypeParamType : public Type, |
5744 | public ObjCProtocolQualifiers<ObjCTypeParamType>, |
5745 | public llvm::FoldingSetNode { |
5746 | friend class ASTContext; |
5747 | friend class ObjCProtocolQualifiers<ObjCTypeParamType>; |
5748 | |
5749 | |
5750 | unsigned NumProtocols : 6; |
5751 | |
5752 | ObjCTypeParamDecl *OTPDecl; |
5753 | |
5754 | |
5755 | |
5756 | |
5757 | ObjCProtocolDecl **getProtocolStorageImpl(); |
5758 | |
5759 | |
5760 | |
5761 | unsigned getNumProtocolsImpl() const { |
5762 | return NumProtocols; |
5763 | } |
5764 | |
5765 | void setNumProtocolsImpl(unsigned N) { |
5766 | NumProtocols = N; |
5767 | } |
5768 | |
5769 | ObjCTypeParamType(const ObjCTypeParamDecl *D, |
5770 | QualType can, |
5771 | ArrayRef<ObjCProtocolDecl *> protocols); |
5772 | |
5773 | public: |
5774 | bool isSugared() const { return true; } |
5775 | QualType desugar() const { return getCanonicalTypeInternal(); } |
5776 | |
5777 | static bool classof(const Type *T) { |
5778 | return T->getTypeClass() == ObjCTypeParam; |
5779 | } |
5780 | |
5781 | void Profile(llvm::FoldingSetNodeID &ID); |
5782 | static void Profile(llvm::FoldingSetNodeID &ID, |
5783 | const ObjCTypeParamDecl *OTPDecl, |
5784 | QualType CanonicalType, |
5785 | ArrayRef<ObjCProtocolDecl *> protocols); |
5786 | |
5787 | ObjCTypeParamDecl *getDecl() const { return OTPDecl; } |
5788 | }; |
5789 | |
5790 | |
5791 | |
5792 | |
5793 | |
5794 | |
5795 | |
5796 | |
5797 | |
5798 | |
5799 | |
5800 | |
5801 | |
5802 | |
5803 | |
5804 | |
5805 | |
5806 | |
5807 | |
5808 | |
5809 | |
5810 | |
5811 | |
5812 | |
5813 | |
5814 | |
5815 | |
5816 | |
5817 | |
5818 | class ObjCObjectType : public Type, |
5819 | public ObjCProtocolQualifiers<ObjCObjectType> { |
5820 | friend class ObjCProtocolQualifiers<ObjCObjectType>; |
5821 | |
5822 | |
5823 | |
5824 | |
5825 | |
5826 | |
5827 | |
5828 | |
5829 | |
5830 | |
5831 | |
5832 | |
5833 | |
5834 | |
5835 | QualType BaseType; |
5836 | |
5837 | |
5838 | mutable llvm::PointerIntPair<const ObjCObjectType *, 1, bool> |
5839 | CachedSuperClassType; |
5840 | |
5841 | QualType *getTypeArgStorage(); |
5842 | const QualType *getTypeArgStorage() const { |
5843 | return const_cast<ObjCObjectType *>(this)->getTypeArgStorage(); |
5844 | } |
5845 | |
5846 | ObjCProtocolDecl **getProtocolStorageImpl(); |
5847 | |
5848 | |
5849 | unsigned getNumProtocolsImpl() const { |
5850 | return ObjCObjectTypeBits.NumProtocols; |
5851 | } |
5852 | void setNumProtocolsImpl(unsigned N) { |
5853 | ObjCObjectTypeBits.NumProtocols = N; |
5854 | } |
5855 | |
5856 | protected: |
5857 | enum Nonce_ObjCInterface { Nonce_ObjCInterface }; |
5858 | |
5859 | ObjCObjectType(QualType Canonical, QualType Base, |
5860 | ArrayRef<QualType> typeArgs, |
5861 | ArrayRef<ObjCProtocolDecl *> protocols, |
5862 | bool isKindOf); |
5863 | |
5864 | ObjCObjectType(enum Nonce_ObjCInterface) |
5865 | : Type(ObjCInterface, QualType(), TypeDependence::None), |
5866 | BaseType(QualType(this_(), 0)) { |
5867 | ObjCObjectTypeBits.NumProtocols = 0; |
5868 | ObjCObjectTypeBits.NumTypeArgs = 0; |
5869 | ObjCObjectTypeBits.IsKindOf = 0; |
5870 | } |
5871 | |
5872 | void computeSuperClassTypeSlow() const; |
5873 | |
5874 | public: |
5875 | |
5876 | |
5877 | |
5878 | |
5879 | |
5880 | |
5881 | QualType getBaseType() const { return BaseType; } |
5882 | |
5883 | bool isObjCId() const { |
5884 | return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); |
5885 | } |
5886 | |
5887 | bool isObjCClass() const { |
5888 | return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); |
5889 | } |
5890 | |
5891 | bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } |
5892 | bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } |
5893 | bool isObjCUnqualifiedIdOrClass() const { |
5894 | if (!qual_empty()) return false; |
5895 | if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) |
5896 | return T->getKind() == BuiltinType::ObjCId || |
5897 | T->getKind() == BuiltinType::ObjCClass; |
5898 | return false; |
5899 | } |
5900 | bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } |
5901 | bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } |
5902 | |
5903 | |
5904 | |
5905 | ObjCInterfaceDecl *getInterface() const; |
5906 | |
5907 | |
5908 | |
5909 | bool isSpecialized() const; |
5910 | |
5911 | |
5912 | bool isSpecializedAsWritten() const { |
5913 | return ObjCObjectTypeBits.NumTypeArgs > 0; |
5914 | } |
5915 | |
5916 | |
5917 | |
5918 | bool isUnspecialized() const { return !isSpecialized(); } |
5919 | |
5920 | |
5921 | |
5922 | bool isUnspecializedAsWritten() const { return !isSpecializedAsWritten(); } |
5923 | |
5924 | |
5925 | ArrayRef<QualType> getTypeArgs() const; |
5926 | |
5927 | |
5928 | |
5929 | ArrayRef<QualType> getTypeArgsAsWritten() const { |
5930 | return llvm::makeArrayRef(getTypeArgStorage(), |
5931 | ObjCObjectTypeBits.NumTypeArgs); |
5932 | } |
5933 | |
5934 | |
5935 | bool isKindOfTypeAsWritten() const { return ObjCObjectTypeBits.IsKindOf; } |
5936 | |
5937 | |
5938 | bool isKindOfType() const; |
5939 | |
5940 | |
5941 | |
5942 | |
5943 | |
5944 | |
5945 | |
5946 | QualType getSuperClassType() const { |
5947 | if (!CachedSuperClassType.getInt()) |
5948 | computeSuperClassTypeSlow(); |
5949 | |
5950 | assert(CachedSuperClassType.getInt() && "Superclass not set?"); |
5951 | return QualType(CachedSuperClassType.getPointer(), 0); |
5952 | } |
5953 | |
5954 | |
5955 | |
5956 | QualType stripObjCKindOfTypeAndQuals(const ASTContext &ctx) const; |
5957 | |
5958 | bool isSugared() const { return false; } |
5959 | QualType desugar() const { return QualType(this, 0); } |
5960 | |
5961 | static bool classof(const Type *T) { |
5962 | return T->getTypeClass() == ObjCObject || |
5963 | T->getTypeClass() == ObjCInterface; |
5964 | } |
5965 | }; |
5966 | |
5967 | |
5968 | |
5969 | |
5970 | |
5971 | class ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { |
5972 | friend class ASTContext; |
5973 | |
5974 | |
5975 | |
5976 | |
5977 | ObjCObjectTypeImpl(QualType Canonical, QualType Base, |
5978 | ArrayRef<QualType> typeArgs, |
5979 | ArrayRef<ObjCProtocolDecl *> protocols, |
5980 | bool isKindOf) |
5981 | : ObjCObjectType(Canonical, Base, typeArgs, protocols, isKindOf) {} |
5982 | |
5983 | public: |
5984 | void Profile(llvm::FoldingSetNodeID &ID); |
5985 | static void Profile(llvm::FoldingSetNodeID &ID, |
5986 | QualType Base, |
5987 | ArrayRef<QualType> typeArgs, |
5988 | ArrayRef<ObjCProtocolDecl *> protocols, |
5989 | bool isKindOf); |
5990 | }; |
5991 | |
5992 | inline QualType *ObjCObjectType::getTypeArgStorage() { |
5993 | return reinterpret_cast<QualType *>(static_cast<ObjCObjectTypeImpl*>(this)+1); |
5994 | } |
5995 | |
5996 | inline ObjCProtocolDecl **ObjCObjectType::getProtocolStorageImpl() { |
5997 | return reinterpret_cast<ObjCProtocolDecl**>( |
5998 | getTypeArgStorage() + ObjCObjectTypeBits.NumTypeArgs); |
5999 | } |
6000 | |
6001 | inline ObjCProtocolDecl **ObjCTypeParamType::getProtocolStorageImpl() { |
6002 | return reinterpret_cast<ObjCProtocolDecl**>( |
6003 | static_cast<ObjCTypeParamType*>(this)+1); |
6004 | } |
6005 | |
6006 | |
6007 | |
6008 | |
6009 | |
6010 | |
6011 | |
6012 | |
6013 | |
6014 | |
6015 | |
6016 | |
6017 | |
6018 | class ObjCInterfaceType : public ObjCObjectType { |
6019 | friend class ASTContext; |
6020 | friend class ASTReader; |
6021 | friend class ObjCInterfaceDecl; |
6022 | template <class T> friend class serialization::AbstractTypeReader; |
6023 | |
6024 | mutable ObjCInterfaceDecl *Decl; |
6025 | |
6026 | ObjCInterfaceType(const ObjCInterfaceDecl *D) |
6027 | : ObjCObjectType(Nonce_ObjCInterface), |
6028 | Decl(const_cast<ObjCInterfaceDecl*>(D)) {} |
6029 | |
6030 | public: |
6031 | |
6032 | ObjCInterfaceDecl *getDecl() const { return Decl; } |
6033 | |
6034 | bool isSugared() const { return false; } |
6035 | QualType desugar() const { return QualType(this, 0); } |
6036 | |
6037 | static bool classof(const Type *T) { |
6038 | return T->getTypeClass() == ObjCInterface; |
6039 | } |
6040 | |
6041 | |
6042 | |
6043 | |
6044 | |
6045 | enum { |
6046 | qual_iterator, |
6047 | qual_begin, |
6048 | qual_end, |
6049 | getNumProtocols, |
6050 | getProtocol |
6051 | }; |
6052 | }; |
6053 | |
6054 | inline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { |
6055 | QualType baseType = getBaseType(); |
6056 | while (const auto *ObjT = baseType->getAs<ObjCObjectType>()) { |
6057 | if (const auto *T = dyn_cast<ObjCInterfaceType>(ObjT)) |
6058 | return T->getDecl(); |
6059 | |
6060 | baseType = ObjT->getBaseType(); |
6061 | } |
6062 | |
6063 | return nullptr; |
6064 | } |
6065 | |
6066 | |
6067 | |
6068 | |
6069 | |
6070 | |
6071 | |
6072 | |
6073 | |
6074 | |
6075 | class ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { |
6076 | friend class ASTContext; |
6077 | |
6078 | QualType PointeeType; |
6079 | |
6080 | ObjCObjectPointerType(QualType Canonical, QualType Pointee) |
6081 | : Type(ObjCObjectPointer, Canonical, Pointee->getDependence()), |
6082 | PointeeType(Pointee) {} |
6083 | |
6084 | public: |
6085 | |
6086 | |
6087 | QualType getPointeeType() const { return PointeeType; } |
6088 | |
6089 | |
6090 | |
6091 | |
6092 | |
6093 | |
6094 | |
6095 | |
6096 | |
6097 | |
6098 | |
6099 | |
6100 | |
6101 | |
6102 | |
6103 | |
6104 | |
6105 | |
6106 | |
6107 | |
6108 | |
6109 | |
6110 | |
6111 | |
6112 | const ObjCObjectType *getObjectType() const { |
6113 | return PointeeType->castAs<ObjCObjectType>(); |
6114 | } |
6115 | |
6116 | |
6117 | |
6118 | |
6119 | |
6120 | |
6121 | const ObjCInterfaceType *getInterfaceType() const; |
6122 | |
6123 | |
6124 | |
6125 | |
6126 | |
6127 | ObjCInterfaceDecl *getInterfaceDecl() const { |
6128 | return getObjectType()->getInterface(); |
6129 | } |
6130 | |
6131 | |
6132 | |
6133 | bool isObjCIdType() const { |
6134 | return getObjectType()->isObjCUnqualifiedId(); |
6135 | } |
6136 | |
6137 | |
6138 | |
6139 | bool isObjCClassType() const { |
6140 | return getObjectType()->isObjCUnqualifiedClass(); |
6141 | } |
6142 | |
6143 | |
6144 | bool isObjCIdOrClassType() const { |
6145 | return getObjectType()->isObjCUnqualifiedIdOrClass(); |
6146 | } |
6147 | |
6148 | |
6149 | |
6150 | bool isObjCQualifiedIdType() const { |
6151 | return getObjectType()->isObjCQualifiedId(); |
6152 | } |
6153 | |
6154 | |
6155 | |
6156 | bool isObjCQualifiedClassType() const { |
6157 | return getObjectType()->isObjCQualifiedClass(); |
6158 | } |
6159 | |
6160 | |
6161 | bool isKindOfType() const { return getObjectType()->isKindOfType(); } |
6162 | |
6163 | |
6164 | bool isSpecialized() const { return getObjectType()->isSpecialized(); } |
6165 | |
6166 | |
6167 | bool isSpecializedAsWritten() const { |
6168 | return getObjectType()->isSpecializedAsWritten(); |
6169 | } |
6170 | |
6171 | |
6172 | bool isUnspecialized() const { return getObjectType()->isUnspecialized(); } |
6173 | |
6174 | |
6175 | |
6176 | bool isUnspecializedAsWritten() const { return !isSpecializedAsWritten(); } |
6177 | |
6178 | |
6179 | ArrayRef<QualType> getTypeArgs() const { |
6180 | return getObjectType()->getTypeArgs(); |
6181 | } |
6182 | |
6183 | |
6184 | ArrayRef<QualType> getTypeArgsAsWritten() const { |
6185 | return getObjectType()->getTypeArgsAsWritten(); |
6186 | } |
6187 | |
6188 | |
6189 | |
6190 | |
6191 | using qual_iterator = ObjCObjectType::qual_iterator; |
6192 | using qual_range = llvm::iterator_range<qual_iterator>; |
6193 | |
6194 | qual_range quals() const { return qual_range(qual_begin(), qual_end()); } |
6195 | |
6196 | qual_iterator qual_begin() const { |
6197 | return getObjectType()->qual_begin(); |
6198 | } |
6199 | |
6200 | qual_iterator qual_end() const { |
6201 | return getObjectType()->qual_end(); |
6202 | } |
6203 | |
6204 | bool qual_empty() const { return getObjectType()->qual_empty(); } |
6205 | |
6206 | |
6207 | unsigned getNumProtocols() const { |
6208 | return getObjectType()->getNumProtocols(); |
6209 | } |
6210 | |
6211 | |
6212 | ObjCProtocolDecl *getProtocol(unsigned I) const { |
6213 | return getObjectType()->getProtocol(I); |
6214 | } |
6215 | |
6216 | bool isSugared() const { return false; } |
6217 | QualType desugar() const { return QualType(this, 0); } |
6218 | |
6219 | |
6220 | |
6221 | |
6222 | |
6223 | |
6224 | |
6225 | QualType getSuperClassType() const; |
6226 | |
6227 | |
6228 | |
6229 | const ObjCObjectPointerType *stripObjCKindOfTypeAndQuals( |
6230 | const ASTContext &ctx) const; |
6231 | |
6232 | void Profile(llvm::FoldingSetNodeID &ID) { |
6233 | Profile(ID, getPointeeType()); |
6234 | } |
6235 | |
6236 | static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { |
6237 | ID.AddPointer(T.getAsOpaquePtr()); |
6238 | } |
6239 | |
6240 | static bool classof(const Type *T) { |
6241 | return T->getTypeClass() == ObjCObjectPointer; |
6242 | } |
6243 | }; |
6244 | |
6245 | class AtomicType : public Type, public llvm::FoldingSetNode { |
6246 | friend class ASTContext; |
6247 | |
6248 | QualType ValueType; |
6249 | |
6250 | AtomicType(QualType ValTy, QualType Canonical) |
6251 | : Type(Atomic, Canonical, ValTy->getDependence()), ValueType(ValTy) {} |
6252 | |
6253 | public: |
6254 | |
6255 | |
6256 | QualType getValueType() const { return ValueType; } |
6257 | |
6258 | bool isSugared() const { return false; } |
6259 | QualType desugar() const { return QualType(this, 0); } |
6260 | |
6261 | void Profile(llvm::FoldingSetNodeID &ID) { |
6262 | Profile(ID, getValueType()); |
6263 | } |
6264 | |
6265 | static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { |
6266 | ID.AddPointer(T.getAsOpaquePtr()); |
6267 | } |
6268 | |
6269 | static bool classof(const Type *T) { |
6270 | return T->getTypeClass() == Atomic; |
6271 | } |
6272 | }; |
6273 | |
6274 | |
6275 | class PipeType : public Type, public llvm::FoldingSetNode { |
6276 | friend class ASTContext; |
6277 | |
6278 | QualType ElementType; |
6279 | bool isRead; |
6280 | |
6281 | PipeType(QualType elemType, QualType CanonicalPtr, bool isRead) |
6282 | : Type(Pipe, CanonicalPtr, elemType->getDependence()), |
6283 | ElementType(elemType), isRead(isRead) {} |
6284 | |
6285 | public: |
6286 | QualType getElementType() const { return ElementType; } |
6287 | |
6288 | bool isSugared() const { return false; } |
6289 | |
6290 | QualType desugar() const { return QualType(this, 0); } |
6291 | |
6292 | void Profile(llvm::FoldingSetNodeID &ID) { |
6293 | Profile(ID, getElementType(), isReadOnly()); |
6294 | } |
6295 | |
6296 | static void Profile(llvm::FoldingSetNodeID &ID, QualType T, bool isRead) { |
6297 | ID.AddPointer(T.getAsOpaquePtr()); |
6298 | ID.AddBoolean(isRead); |
6299 | } |
6300 | |
6301 | static bool classof(const Type *T) { |
6302 | return T->getTypeClass() == Pipe; |
6303 | } |
6304 | |
6305 | bool isReadOnly() const { return isRead; } |
6306 | }; |
6307 | |
6308 | |
6309 | class ExtIntType final : public Type, public llvm::FoldingSetNode { |
6310 | friend class ASTContext; |
6311 | unsigned IsUnsigned : 1; |
6312 | unsigned NumBits : 24; |
6313 | |
6314 | protected: |
6315 | ExtIntType(bool isUnsigned, unsigned NumBits); |
6316 | |
6317 | public: |
6318 | bool isUnsigned() const { return IsUnsigned; } |
6319 | bool isSigned() const { return !IsUnsigned; } |
6320 | unsigned getNumBits() const { return NumBits; } |
6321 | |
6322 | bool isSugared() const { return false; } |
6323 | QualType desugar() const { return QualType(this, 0); } |
6324 | |
6325 | void Profile(llvm::FoldingSetNodeID &ID) { |
6326 | Profile(ID, isUnsigned(), getNumBits()); |
6327 | } |
6328 | |
6329 | static void Profile(llvm::FoldingSetNodeID &ID, bool IsUnsigned, |
6330 | unsigned NumBits) { |
6331 | ID.AddBoolean(IsUnsigned); |
6332 | ID.AddInteger(NumBits); |
6333 | } |
6334 | |
6335 | static bool classof(const Type *T) { return T->getTypeClass() == ExtInt; } |
6336 | }; |
6337 | |
6338 | class DependentExtIntType final : public Type, public llvm::FoldingSetNode { |
6339 | friend class ASTContext; |
6340 | const ASTContext &Context; |
6341 | llvm::PointerIntPair<Expr*, 1, bool> ExprAndUnsigned; |
6342 | |
6343 | protected: |
6344 | DependentExtIntType(const ASTContext &Context, bool IsUnsigned, |
6345 | Expr *NumBits); |
6346 | |
6347 | public: |
6348 | bool isUnsigned() const; |
6349 | bool isSigned() const { return !isUnsigned(); } |
6350 | Expr *getNumBitsExpr() const; |
6351 | |
6352 | bool isSugared() const { return false; } |
6353 | QualType desugar() const { return QualType(this, 0); } |
6354 | |
6355 | void Profile(llvm::FoldingSetNodeID &ID) { |
6356 | Profile(ID, Context, isUnsigned(), getNumBitsExpr()); |
6357 | } |
6358 | static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, |
6359 | bool IsUnsigned, Expr *NumBitsExpr); |
6360 | |
6361 | static bool classof(const Type *T) { |
6362 | return T->getTypeClass() == DependentExtInt; |
6363 | } |
6364 | }; |
6365 | |
6366 | |
6367 | class QualifierCollector : public Qualifiers { |
6368 | public: |
6369 | QualifierCollector(Qualifiers Qs = Qualifiers()) : Qualifiers(Qs) {} |
6370 | |
6371 | |
6372 | |
6373 | |
6374 | const Type *strip(QualType type) { |
6375 | addFastQualifiers(type.getLocalFastQualifiers()); |
6376 | if (!type.hasLocalNonFastQualifiers()) |
6377 | return type.getTypePtrUnsafe(); |
6378 | |
6379 | const ExtQuals *extQuals = type.getExtQualsUnsafe(); |
6380 | addConsistentQualifiers(extQuals->getQualifiers()); |
6381 | return extQuals->getBaseType(); |
6382 | } |
6383 | |
6384 | |
6385 | QualType apply(const ASTContext &Context, QualType QT) const; |
6386 | |
6387 | |
6388 | QualType apply(const ASTContext &Context, const Type* T) const; |
6389 | }; |
6390 | |
6391 | |
6392 | |
6393 | |
6394 | |
6395 | |
6396 | |
6397 | |
6398 | class alignas(8) TypeSourceInfo { |
6399 | |
6400 | |
6401 | friend class ASTContext; |
6402 | |
6403 | QualType Ty; |
6404 | |
6405 | TypeSourceInfo(QualType ty) : Ty(ty) {} |
6406 | |
6407 | public: |
6408 | |
6409 | QualType getType() const { return Ty; } |
6410 | |
6411 | |
6412 | TypeLoc getTypeLoc() const; |
6413 | |
6414 | |
6415 | void overrideType(QualType T) { Ty = T; } |
6416 | }; |
6417 | |
6418 | |
6419 | |
6420 | inline SplitQualType SplitQualType::getSingleStepDesugaredType() const { |
6421 | SplitQualType desugar = |
6422 | Ty->getLocallyUnqualifiedSingleStepDesugaredType().split(); |
6423 | desugar.Quals.addConsistentQualifiers(Quals); |
6424 | return desugar; |
6425 | } |
6426 | |
6427 | inline const Type *QualType::getTypePtr() const { |
6428 | return getCommonPtr()->BaseType; |
6429 | } |
6430 | |
6431 | inline const Type *QualType::getTypePtrOrNull() const { |
6432 | return (isNull() ? nullptr : getCommonPtr()->BaseType); |
6433 | } |
6434 | |
6435 | inline SplitQualType QualType::split() const { |
6436 | if (!hasLocalNonFastQualifiers()) |
6437 | return SplitQualType(getTypePtrUnsafe(), |
6438 | Qualifiers::fromFastMask(getLocalFastQualifiers())); |
6439 | |
6440 | const ExtQuals *eq = getExtQualsUnsafe(); |
6441 | Qualifiers qs = eq->getQualifiers(); |
6442 | qs.addFastQualifiers(getLocalFastQualifiers()); |
6443 | return SplitQualType(eq->getBaseType(), qs); |
6444 | } |
6445 | |
6446 | inline Qualifiers QualType::getLocalQualifiers() const { |
6447 | Qualifiers Quals; |
6448 | if (hasLocalNonFastQualifiers()) |
6449 | Quals = getExtQualsUnsafe()->getQualifiers(); |
6450 | Quals.addFastQualifiers(getLocalFastQualifiers()); |
6451 | return Quals; |
6452 | } |
6453 | |
6454 | inline Qualifiers QualType::getQualifiers() const { |
6455 | Qualifiers quals = getCommonPtr()->CanonicalType.getLocalQualifiers(); |
6456 | quals.addFastQualifiers(getLocalFastQualifiers()); |
6457 | return quals; |
6458 | } |
6459 | |
6460 | inline unsigned QualType::getCVRQualifiers() const { |
6461 | unsigned cvr = getCommonPtr()->CanonicalType.getLocalCVRQualifiers(); |
6462 | cvr |= getLocalCVRQualifiers(); |
6463 | return cvr; |
6464 | } |
6465 | |
6466 | inline QualType QualType::getCanonicalType() const { |
6467 | QualType canon = getCommonPtr()->CanonicalType; |
6468 | return canon.withFastQualifiers(getLocalFastQualifiers()); |
6469 | } |
6470 | |
6471 | inline bool QualType::isCanonical() const { |
6472 | return getTypePtr()->isCanonicalUnqualified(); |
6473 | } |
6474 | |
6475 | inline bool QualType::isCanonicalAsParam() const { |
6476 | if (!isCanonical()) return false; |
6477 | if (hasLocalQualifiers()) return false; |
6478 | |
6479 | const Type *T = getTypePtr(); |
6480 | if (T->isVariablyModifiedType() && T->hasSizedVLAType()) |
6481 | return false; |
6482 | |
6483 | return !isa<FunctionType>(T) && !isa<ArrayType>(T); |
6484 | } |
6485 | |
6486 | inline bool QualType::isConstQualified() const { |
6487 | return isLocalConstQualified() || |
6488 | getCommonPtr()->CanonicalType.isLocalConstQualified(); |
6489 | } |
6490 | |
6491 | inline bool QualType::isRestrictQualified() const { |
6492 | return isLocalRestrictQualified() || |
6493 | getCommonPtr()->CanonicalType.isLocalRestrictQualified(); |
6494 | } |
6495 | |
6496 | |
6497 | inline bool QualType::isVolatileQualified() const { |
6498 | return isLocalVolatileQualified() || |
6499 | getCommonPtr()->CanonicalType.isLocalVolatileQualified(); |
6500 | } |
6501 | |
6502 | inline bool QualType::hasQualifiers() const { |
6503 | return hasLocalQualifiers() || |
6504 | getCommonPtr()->CanonicalType.hasLocalQualifiers(); |
6505 | } |
6506 | |
6507 | inline QualType QualType::getUnqualifiedType() const { |
6508 | if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) |
6509 | return QualType(getTypePtr(), 0); |
6510 | |
6511 | return QualType(getSplitUnqualifiedTypeImpl(*this).Ty, 0); |
6512 | } |
6513 | |
6514 | inline SplitQualType QualType::getSplitUnqualifiedType() const { |
6515 | if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) |
6516 | return split(); |
6517 | |
6518 | return getSplitUnqualifiedTypeImpl(*this); |
6519 | } |
6520 | |
6521 | inline void QualType::removeLocalConst() { |
6522 | removeLocalFastQualifiers(Qualifiers::Const); |
6523 | } |
6524 | |
6525 | inline void QualType::removeLocalRestrict() { |
6526 | removeLocalFastQualifiers(Qualifiers::Restrict); |
6527 | } |
6528 | |
6529 | inline void QualType::removeLocalVolatile() { |
6530 | removeLocalFastQualifiers(Qualifiers::Volatile); |
6531 | } |
6532 | |
6533 | inline void QualType::removeLocalCVRQualifiers(unsigned Mask) { |
6534 | assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); |
6535 | static_assert((int)Qualifiers::CVRMask == (int)Qualifiers::FastMask, |
6536 | "Fast bits differ from CVR bits!"); |
6537 | |
6538 | |
6539 | removeLocalFastQualifiers(Mask); |
6540 | } |
6541 | |
6542 | |
6543 | inline bool QualType::hasAddressSpace() const { |
6544 | return getQualifiers().hasAddressSpace(); |
6545 | } |
6546 | |
6547 | |
6548 | inline LangAS QualType::getAddressSpace() const { |
6549 | return getQualifiers().getAddressSpace(); |
6550 | } |
6551 | |
6552 | |
6553 | inline Qualifiers::GC QualType::getObjCGCAttr() const { |
6554 | return getQualifiers().getObjCGCAttr(); |
6555 | } |
6556 | |
6557 | inline bool QualType::hasNonTrivialToPrimitiveDefaultInitializeCUnion() const { |
6558 | if (auto *RD = getTypePtr()->getBaseElementTypeUnsafe()->getAsRecordDecl()) |
6559 | return hasNonTrivialToPrimitiveDefaultInitializeCUnion(RD); |
6560 | return false; |
6561 | } |
6562 | |
6563 | inline bool QualType::hasNonTrivialToPrimitiveDestructCUnion() const { |
6564 | if (auto *RD = getTypePtr()->getBaseElementTypeUnsafe()->getAsRecordDecl()) |
6565 | return hasNonTrivialToPrimitiveDestructCUnion(RD); |
6566 | return false; |
6567 | } |
6568 | |
6569 | inline bool QualType::hasNonTrivialToPrimitiveCopyCUnion() const { |
6570 | if (auto *RD = getTypePtr()->getBaseElementTypeUnsafe()->getAsRecordDecl()) |
6571 | return hasNonTrivialToPrimitiveCopyCUnion(RD); |
6572 | return false; |
6573 | } |
6574 | |
6575 | inline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { |
6576 | if (const auto *PT = t.getAs<PointerType>()) { |
6577 | if (const auto *FT = PT->getPointeeType()->getAs<FunctionType>()) |
6578 | return FT->getExtInfo(); |
6579 | } else if (const auto *FT = t.getAs<FunctionType>()) |
6580 | return FT->getExtInfo(); |
6581 | |
6582 | return FunctionType::ExtInfo(); |
6583 | } |
6584 | |
6585 | inline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { |
6586 | return getFunctionExtInfo(*t); |
6587 | } |
6588 | |
6589 | |
6590 | |
6591 | |
6592 | |
6593 | |
6594 | inline bool QualType::isMoreQualifiedThan(QualType other) const { |
6595 | Qualifiers MyQuals = getQualifiers(); |
6596 | Qualifiers OtherQuals = other.getQualifiers(); |
6597 | return (MyQuals != OtherQuals && MyQuals.compatiblyIncludes(OtherQuals)); |
6598 | } |
6599 | |
6600 | |
6601 | |
6602 | |
6603 | |
6604 | inline bool QualType::isAtLeastAsQualifiedAs(QualType other) const { |
6605 | Qualifiers OtherQuals = other.getQualifiers(); |
6606 | |
6607 | |
6608 | if (getUnqualifiedType()->isVoidType()) |
6609 | OtherQuals.removeUnaligned(); |
6610 | |
6611 | return getQualifiers().compatiblyIncludes(OtherQuals); |
6612 | } |
6613 | |
6614 | |
6615 | |
6616 | |
6617 | |
6618 | |
6619 | |
6620 | |
6621 | |
6622 | |
6623 | inline QualType QualType::getNonReferenceType() const { |
6624 | if (const auto *RefType = (*this)->getAs<ReferenceType>()) |
6625 | return RefType->getPointeeType(); |
6626 | else |
6627 | return *this; |
6628 | } |
6629 | |
6630 | inline bool QualType::isCForbiddenLValueType() const { |
6631 | return ((getTypePtr()->isVoidType() && !hasQualifiers()) || |
6632 | getTypePtr()->isFunctionType()); |
6633 | } |
6634 | |
6635 | |
6636 | |
6637 | |
6638 | inline bool Type::isFundamentalType() const { |
6639 | return isVoidType() || |
6640 | isNullPtrType() || |
6641 | |
6642 | |
6643 | (isArithmeticType() && !isEnumeralType()); |
6644 | } |
6645 | |
6646 | |
6647 | |
6648 | |
6649 | inline bool Type::isCompoundType() const { |
6650 | |
6651 | |
6652 | |
6653 | return isArrayType() || |
6654 | |
6655 | isFunctionType() || |
6656 | |
6657 | isPointerType() || |
6658 | |
6659 | isReferenceType() || |
6660 | |
6661 | isRecordType() || |
6662 | |
6663 | |
6664 | isUnionType() || |
6665 | |
6666 | isEnumeralType() || |
6667 | |
6668 | isMemberPointerType(); |
6669 | } |
6670 | |
6671 | inline bool Type::isFunctionType() const { |
6672 | return isa<FunctionType>(CanonicalType); |
6673 | } |
6674 | |
6675 | inline bool Type::isPointerType() const { |
6676 | return isa<PointerType>(CanonicalType); |
6677 | } |
6678 | |
6679 | inline bool Type::isAnyPointerType() const { |
6680 | return isPointerType() || isObjCObjectPointerType(); |
6681 | } |
6682 | |
6683 | inline bool Type::isBlockPointerType() const { |
6684 | return isa<BlockPointerType>(CanonicalType); |
6685 | } |
6686 | |
6687 | inline bool Type::isReferenceType() const { |
6688 | return isa<ReferenceType>(CanonicalType); |
6689 | } |
6690 | |
6691 | inline bool Type::isLValueReferenceType() const { |
6692 | return isa<LValueReferenceType>(CanonicalType); |
6693 | } |
6694 | |
6695 | inline bool Type::isRValueReferenceType() const { |
6696 | return isa<RValueReferenceType>(CanonicalType); |
6697 | } |
6698 | |
6699 | inline bool Type::isObjectPointerType() const { |
6700 | |
6701 | |
6702 | |
6703 | if (const auto *T = getAs<PointerType>()) |
6704 | return !T->getPointeeType()->isFunctionType(); |
6705 | else |
6706 | return false; |
6707 | } |
6708 | |
6709 | inline bool Type::isFunctionPointerType() const { |
6710 | if (const auto *T = getAs<PointerType>()) |
6711 | return T->getPointeeType()->isFunctionType(); |
6712 | else |
6713 | return false; |
6714 | } |
6715 | |
6716 | inline bool Type::isFunctionReferenceType() const { |
6717 | if (const auto *T = getAs<ReferenceType>()) |
6718 | return T->getPointeeType()->isFunctionType(); |
6719 | else |
6720 | return false; |
6721 | } |
6722 | |
6723 | inline bool Type::isMemberPointerType() const { |
6724 | return isa<MemberPointerType>(CanonicalType); |
6725 | } |
6726 | |
6727 | inline bool Type::isMemberFunctionPointerType() const { |
6728 | if (const auto *T = getAs<MemberPointerType>()) |
6729 | return T->isMemberFunctionPointer(); |
6730 | else |
6731 | return false; |
6732 | } |
6733 | |
6734 | inline bool Type::isMemberDataPointerType() const { |
6735 | if (const auto *T = getAs<MemberPointerType>()) |
6736 | return T->isMemberDataPointer(); |
6737 | else |
6738 | return false; |
6739 | } |
6740 | |
6741 | inline bool Type::isArrayType() const { |
6742 | return isa<ArrayType>(CanonicalType); |
6743 | } |
6744 | |
6745 | inline bool Type::isConstantArrayType() const { |
6746 | return isa<ConstantArrayType>(CanonicalType); |
6747 | } |
6748 | |
6749 | inline bool Type::isIncompleteArrayType() const { |
6750 | return isa<IncompleteArrayType>(CanonicalType); |
6751 | } |
6752 | |
6753 | inline bool Type::isVariableArrayType() const { |
6754 | return isa<VariableArrayType>(CanonicalType); |
6755 | } |
6756 | |
6757 | inline bool Type::isDependentSizedArrayType() const { |
6758 | return isa<DependentSizedArrayType>(CanonicalType); |
6759 | } |
6760 | |
6761 | inline bool Type::isBuiltinType() const { |
6762 | return isa<BuiltinType>(CanonicalType); |
6763 | } |
6764 | |
6765 | inline bool Type::isRecordType() const { |
6766 | return isa<RecordType>(CanonicalType); |
6767 | } |
6768 | |
6769 | inline bool Type::isEnumeralType() const { |
6770 | return isa<EnumType>(CanonicalType); |
6771 | } |
6772 | |
6773 | inline bool Type::isAnyComplexType() const { |
6774 | return isa<ComplexType>(CanonicalType); |
6775 | } |
6776 | |
6777 | inline bool Type::isVectorType() const { |
6778 | return isa<VectorType>(CanonicalType); |
6779 | } |
6780 | |
6781 | inline bool Type::isExtVectorType() const { |
6782 | return isa<ExtVectorType>(CanonicalType); |
6783 | } |
6784 | |
6785 | inline bool Type::isMatrixType() const { |
6786 | return isa<MatrixType>(CanonicalType); |
6787 | } |
6788 | |
6789 | inline bool Type::isConstantMatrixType() const { |
6790 | return isa<ConstantMatrixType>(CanonicalType); |
6791 | } |
6792 | |
6793 | inline bool Type::isDependentAddressSpaceType() const { |
6794 | return isa<DependentAddressSpaceType>(CanonicalType); |
6795 | } |
6796 | |
6797 | inline bool Type::isObjCObjectPointerType() const { |
6798 | return isa<ObjCObjectPointerType>(CanonicalType); |
6799 | } |
6800 | |
6801 | inline bool Type::isObjCObjectType() const { |
6802 | return isa<ObjCObjectType>(CanonicalType); |
6803 | } |
6804 | |
6805 | inline bool Type::isObjCObjectOrInterfaceType() const { |
6806 | return isa<ObjCInterfaceType>(CanonicalType) || |
6807 | isa<ObjCObjectType>(CanonicalType); |
6808 | } |
6809 | |
6810 | inline bool Type::isAtomicType() const { |
6811 | return isa<AtomicType>(CanonicalType); |
6812 | } |
6813 | |
6814 | inline bool Type::isUndeducedAutoType() const { |
6815 | return isa<AutoType>(CanonicalType); |
6816 | } |
6817 | |
6818 | inline bool Type::isObjCQualifiedIdType() const { |
6819 | if (const auto *OPT = getAs<ObjCObjectPointerType>()) |
| 12 | | Assuming the object is not a 'ObjCObjectPointerType' | |
|
| |
6820 | return OPT->isObjCQualifiedIdType(); |
6821 | return false; |
| 14 | | Returning zero, which participates in a condition later | |
|
6822 | } |
6823 | |
6824 | inline bool Type::isObjCQualifiedClassType() const { |
6825 | if (const auto *OPT = getAs<ObjCObjectPointerType>()) |
6826 | return OPT->isObjCQualifiedClassType(); |
6827 | return false; |
6828 | } |
6829 | |
6830 | inline bool Type::isObjCIdType() const { |
6831 | if (const auto *OPT = getAs<ObjCObjectPointerType>()) |
| 7 | | Assuming the object is not a 'ObjCObjectPointerType' | |
|
| |
6832 | return OPT->isObjCIdType(); |
6833 | return false; |
| 9 | | Returning zero, which participates in a condition later | |
|
6834 | } |
6835 | |
6836 | inline bool Type::isObjCClassType() const { |
6837 | if (const auto *OPT = getAs<ObjCObjectPointerType>()) |
6838 | return OPT->isObjCClassType(); |
6839 | return false; |
6840 | } |
6841 | |
6842 | inline bool Type::isObjCSelType() const { |
6843 | if (const auto *OPT = getAs<PointerType>()) |
6844 | return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); |
6845 | return false; |
6846 | } |
6847 | |
6848 | inline bool Type::isObjCBuiltinType() const { |
6849 | return isObjCIdType() || isObjCClassType() || isObjCSelType(); |
6850 | } |
6851 | |
6852 | inline bool Type::isDecltypeType() const { |
6853 | return isa<DecltypeType>(this); |
6854 | } |
6855 | |
6856 | #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \ |
6857 | inline bool Type::is##Id##Type() const { \ |
6858 | return isSpecificBuiltinType(BuiltinType::Id); \ |
6859 | } |
6860 | #include "clang/Basic/OpenCLImageTypes.def" |
6861 | |
6862 | inline bool Type::isSamplerT() const { |
6863 | return isSpecificBuiltinType(BuiltinType::OCLSampler); |
6864 | } |
6865 | |
6866 | inline bool Type::isEventT() const { |
6867 | return isSpecificBuiltinType(BuiltinType::OCLEvent); |
6868 | } |
6869 | |
6870 | inline bool Type::isClkEventT() const { |
6871 | return isSpecificBuiltinType(BuiltinType::OCLClkEvent); |
6872 | } |
6873 | |
6874 | inline bool Type::isQueueT() const { |
6875 | return isSpecificBuiltinType(BuiltinType::OCLQueue); |
6876 | } |
6877 | |
6878 | inline bool Type::isReserveIDT() const { |
6879 | return isSpecificBuiltinType(BuiltinType::OCLReserveID); |
6880 | } |
6881 | |
6882 | inline bool Type::isImageType() const { |
6883 | #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) is##Id##Type() || |
6884 | return |
6885 | #include "clang/Basic/OpenCLImageTypes.def" |
6886 | false; |
6887 | } |
6888 | |
6889 | inline bool Type::isPipeType() const { |
6890 | return isa<PipeType>(CanonicalType); |
6891 | } |
6892 | |
6893 | inline bool Type::isExtIntType() const { |
6894 | return isa<ExtIntType>(CanonicalType); |
6895 | } |
6896 | |
6897 | #define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \ |
6898 | inline bool Type::is##Id##Type() const { \ |
6899 | return isSpecificBuiltinType(BuiltinType::Id); \ |
6900 | } |
6901 | #include "clang/Basic/OpenCLExtensionTypes.def" |
6902 | |
6903 | inline bool Type::isOCLIntelSubgroupAVCType() const { |
6904 | #define INTEL_SUBGROUP_AVC_TYPE(ExtType, Id) \ |
6905 | isOCLIntelSubgroupAVC##Id##Type() || |
6906 | return |
6907 | #include "clang/Basic/OpenCLExtensionTypes.def" |
6908 | false; |
6909 | } |
6910 | |
6911 | inline bool Type::isOCLExtOpaqueType() const { |
6912 | #define EXT_OPAQUE_TYPE(ExtType, Id, Ext) is##Id##Type() || |
6913 | return |
6914 | #include "clang/Basic/OpenCLExtensionTypes.def" |
6915 | false; |
6916 | } |
6917 | |
6918 | inline bool Type::isOpenCLSpecificType() const { |
6919 | return isSamplerT() || isEventT() || isImageType() || isClkEventT() || |
6920 | isQueueT() || isReserveIDT() || isPipeType() || isOCLExtOpaqueType(); |
6921 | } |
6922 | |
6923 | inline bool Type::isTemplateTypeParmType() const { |
6924 | return isa<TemplateTypeParmType>(CanonicalType); |
6925 | } |
6926 | |
6927 | inline bool Type::isSpecificBuiltinType(unsigned K) const { |
6928 | if (const BuiltinType *BT = getAs<BuiltinType>()) { |
6929 | return BT->getKind() == static_cast<BuiltinType::Kind>(K); |
6930 | } |
6931 | return false; |
6932 | } |
6933 | |
6934 | inline bool Type::isPlaceholderType() const { |
6935 | if (const auto *BT = dyn_cast<BuiltinType>(this)) |
6936 | return BT->isPlaceholderType(); |
6937 | return false; |
6938 | } |
6939 | |
6940 | inline const BuiltinType *Type::getAsPlaceholderType() const { |
6941 | if (const auto *BT = dyn_cast<BuiltinType>(this)) |
6942 | if (BT->isPlaceholderType()) |
6943 | return BT; |
6944 | return nullptr; |
6945 | } |
6946 | |
6947 | inline bool Type::isSpecificPlaceholderType(unsigned K) const { |
6948 | assert(BuiltinType::isPlaceholderTypeKind((BuiltinType::Kind) K)); |
6949 | return isSpecificBuiltinType(K); |
6950 | } |
6951 | |
6952 | inline bool Type::isNonOverloadPlaceholderType() const { |
6953 | if (const auto *BT = dyn_cast<BuiltinType>(this)) |
6954 | return BT->isNonOverloadPlaceholderType(); |
6955 | return false; |
6956 | } |
6957 | |
6958 | inline bool Type::isVoidType() const { |
6959 | return isSpecificBuiltinType(BuiltinType::Void); |
6960 | } |
6961 | |
6962 | inline bool Type::isHalfType() const { |
6963 | |
6964 | return isSpecificBuiltinType(BuiltinType::Half); |
6965 | } |
6966 | |
6967 | inline bool Type::isFloat16Type() const { |
6968 | return isSpecificBuiltinType(BuiltinType::Float16); |
6969 | } |
6970 | |
6971 | inline bool Type::isBFloat16Type() const { |
6972 | return isSpecificBuiltinType(BuiltinType::BFloat16); |
6973 | } |
6974 | |
6975 | inline bool Type::isFloat128Type() const { |
6976 | return isSpecificBuiltinType(BuiltinType::Float128); |
6977 | } |
6978 | |
6979 | inline bool Type::isNullPtrType() const { |
6980 | return isSpecificBuiltinType(BuiltinType::NullPtr); |
6981 | } |
6982 | |
6983 | bool IsEnumDeclComplete(EnumDecl *); |
6984 | bool IsEnumDeclScoped(EnumDecl *); |
6985 | |
6986 | inline bool Type::isIntegerType() const { |
6987 | if (const auto *BT = dyn_cast<BuiltinType>(CanonicalType)) |
6988 | return BT->getKind() >= BuiltinType::Bool && |
6989 | BT->getKind() <= BuiltinType::Int128; |
6990 | if (const EnumType *ET = dyn_cast<EnumType>(CanonicalType)) { |
6991 | |
6992 | |
6993 | return IsEnumDeclComplete(ET->getDecl()) && |
6994 | !IsEnumDeclScoped(ET->getDecl()); |
6995 | } |
6996 | return isExtIntType(); |
6997 | } |
6998 | |
6999 | inline bool Type::isFixedPointType() const { |
7000 | if (const auto *BT = dyn_cast<BuiltinType>(CanonicalType)) { |
7001 | return BT->getKind() >= BuiltinType::ShortAccum && |
7002 | BT->getKind() <= BuiltinType::SatULongFract; |
7003 | } |
7004 | return false; |
7005 | } |
7006 | |
7007 | inline bool Type::isFixedPointOrIntegerType() const { |
7008 | return isFixedPointType() || isIntegerType(); |
7009 | } |
7010 | |
7011 | inline bool Type::isSaturatedFixedPointType() const { |
7012 | if (const auto *BT = dyn_cast<BuiltinType>(CanonicalType)) { |
7013 | return BT->getKind() >= BuiltinType::SatShortAccum && |
7014 | BT->getKind() <= BuiltinType::SatULongFract; |
7015 | } |
7016 | return false; |
7017 | } |
7018 | |
7019 | inline bool Type::isUnsaturatedFixedPointType() const { |
7020 | return isFixedPointType() && !isSaturatedFixedPointType(); |
7021 | } |
7022 | |
7023 | inline bool Type::isSignedFixedPointType() const { |
7024 | if (const auto *BT = dyn_cast<BuiltinType>(CanonicalType)) { |
7025 | return ((BT->getKind() >= BuiltinType::ShortAccum && |
7026 | BT->getKind() <= BuiltinType::LongAccum) || |
7027 | (BT->getKind() >= BuiltinType::ShortFract && |
7028 | BT->getKind() <= BuiltinType::LongFract) || |
7029 | (BT->getKind() >= BuiltinType::SatShortAccum && |
7030 | BT->getKind() <= BuiltinType::SatLongAccum) || |
7031 | (BT->getKind() >= BuiltinType::SatShortFract && |
7032 | BT->getKind() <= BuiltinType::SatLongFract)); |
7033 | } |
7034 | return false; |
7035 | } |
7036 | |
7037 | inline bool Type::isUnsignedFixedPointType() const { |
7038 | return isFixedPointType() && !isSignedFixedPointType(); |
7039 | } |
7040 | |
7041 | inline bool Type::isScalarType() const { |
7042 | if (const auto *BT = dyn_cast<BuiltinType>(CanonicalType)) |
7043 | return BT->getKind() > BuiltinType::Void && |
7044 | BT->getKind() <= BuiltinType::NullPtr; |
7045 | if (const EnumType *ET = dyn_cast<EnumType>(CanonicalType)) |
7046 | |
7047 | |
7048 | return IsEnumDeclComplete(ET->getDecl()); |
7049 | return isa<PointerType>(CanonicalType) || |
7050 | isa<BlockPointerType>(CanonicalType) || |
7051 | isa<MemberPointerType>(CanonicalType) || |
7052 | isa<ComplexType>(CanonicalType) || |
7053 | isa<ObjCObjectPointerType>(CanonicalType) || |
7054 | isExtIntType(); |
7055 | } |
7056 | |
7057 | inline bool Type::isIntegralOrEnumerationType() const { |
7058 | if (const auto *BT = dyn_cast<BuiltinType>(CanonicalType)) |
7059 | return BT->getKind() >= BuiltinType::Bool && |
7060 | BT->getKind() <= BuiltinType::Int128; |
7061 | |
7062 | |
7063 | |
7064 | if (const auto *ET = dyn_cast<EnumType>(CanonicalType)) |
7065 | return IsEnumDeclComplete(ET->getDecl()); |
7066 | |
7067 | return isExtIntType(); |
7068 | } |
7069 | |
7070 | inline bool Type::isBooleanType() const { |
7071 | if (const auto *BT = dyn_cast<BuiltinType>(CanonicalType)) |
7072 | return BT->getKind() == BuiltinType::Bool; |
7073 | return false; |
7074 | } |
7075 | |
7076 | inline bool Type::isUndeducedType() const { |
7077 | auto *DT = getContainedDeducedType(); |
7078 | return DT && !DT->isDeduced(); |
7079 | } |
7080 | |
7081 | |
7082 | |
7083 | inline bool Type::isOverloadableType() const { |
7084 | return isDependentType() || isRecordType() || isEnumeralType(); |
7085 | } |
7086 | |
7087 | |
7088 | inline bool Type::isTypedefNameType() const { |
7089 | if (getAs<TypedefType>()) |
7090 | return true; |
7091 | if (auto *TST = getAs<TemplateSpecializationType>()) |
7092 | return TST->isTypeAlias(); |
7093 | return false; |
7094 | } |
7095 | |
7096 | |
7097 | inline bool Type::canDecayToPointerType() const { |
7098 | return isFunctionType() || isArrayType(); |
7099 | } |
7100 | |
7101 | inline bool Type::hasPointerRepresentation() const { |
7102 | return (isPointerType() || isReferenceType() || isBlockPointerType() || |
7103 | isObjCObjectPointerType() || isNullPtrType()); |
7104 | } |
7105 | |
7106 | inline bool Type::hasObjCPointerRepresentation() const { |
7107 | return isObjCObjectPointerType(); |
7108 | } |
7109 | |
7110 | inline const Type *Type::getBaseElementTypeUnsafe() const { |
7111 | const Type *type = this; |
7112 | while (const ArrayType *arrayType = type->getAsArrayTypeUnsafe()) |
7113 | type = arrayType->getElementType().getTypePtr(); |
7114 | return type; |
7115 | } |
7116 | |
7117 | inline const Type *Type::getPointeeOrArrayElementType() const { |
7118 | const Type *type = this; |
7119 | if (type->isAnyPointerType()) |
7120 | return type->getPointeeType().getTypePtr(); |
7121 | else if (type->isArrayType()) |
7122 | return type->getBaseElementTypeUnsafe(); |
7123 | return type; |
7124 | } |
7125 | |
7126 | |
7127 | inline const StreamingDiagnostic &operator<<(const StreamingDiagnostic &PD, |
7128 | LangAS AS) { |
7129 | PD.AddTaggedVal(static_cast<std::underlying_type_t<LangAS>>(AS), |
7130 | DiagnosticsEngine::ArgumentKind::ak_addrspace); |
7131 | return PD; |
7132 | } |
7133 | |
7134 | |
7135 | |
7136 | inline const StreamingDiagnostic &operator<<(const StreamingDiagnostic &PD, |
7137 | Qualifiers Q) { |
7138 | PD.AddTaggedVal(Q.getAsOpaqueValue(), |
7139 | DiagnosticsEngine::ArgumentKind::ak_qual); |
7140 | return PD; |
7141 | } |
7142 | |
7143 | |
7144 | |
7145 | inline const StreamingDiagnostic &operator<<(const StreamingDiagnostic &PD, |
7146 | QualType T) { |
7147 | PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), |
7148 | DiagnosticsEngine::ak_qualtype); |
7149 | return PD; |
7150 | } |
7151 | |
7152 | |
7153 | |
7154 | template <typename T> |
7155 | using TypeIsArrayType = |
7156 | std::integral_constant<bool, std::is_same<T, ArrayType>::value || |
7157 | std::is_base_of<ArrayType, T>::value>; |
7158 | |
7159 | |
7160 | template <typename T> const T *Type::getAs() const { |
7161 | static_assert(!TypeIsArrayType<T>::value, |
7162 | "ArrayType cannot be used with getAs!"); |
7163 | |
7164 | |
7165 | if (const auto *Ty = dyn_cast<T>(this)) |
7166 | return Ty; |
7167 | |
7168 | |
7169 | if (!isa<T>(CanonicalType)) |
7170 | return nullptr; |
7171 | |
7172 | |
7173 | |
7174 | return cast<T>(getUnqualifiedDesugaredType()); |
7175 | } |
7176 | |
7177 | template <typename T> const T *Type::getAsAdjusted() const { |
7178 | static_assert(!TypeIsArrayType<T>::value, "ArrayType cannot be used with getAsAdjusted!"); |
7179 | |
7180 | |
7181 | if (const auto *Ty = dyn_cast<T>(this)) |
7182 | return Ty; |
7183 | |
7184 | |
7185 | if (!isa<T>(CanonicalType)) |
7186 | return nullptr; |
7187 | |
7188 | |
7189 | |
7190 | const Type *Ty = this; |
7191 | while (Ty) { |
7192 | if (const auto *A = dyn_cast<AttributedType>(Ty)) |
7193 | Ty = A->getModifiedType().getTypePtr(); |
7194 | else if (const auto *E = dyn_cast<ElaboratedType>(Ty)) |
7195 | Ty = E->desugar().getTypePtr(); |
7196 | else if (const auto *P = dyn_cast<ParenType>(Ty)) |
7197 | Ty = P->desugar().getTypePtr(); |
7198 | else if (const auto *A = dyn_cast<AdjustedType>(Ty)) |
7199 | Ty = A->desugar().getTypePtr(); |
7200 | else if (const auto *M = dyn_cast<MacroQualifiedType>(Ty)) |
7201 | Ty = M->desugar().getTypePtr(); |
7202 | else |
7203 | break; |
7204 | } |
7205 | |
7206 | |
7207 | |
7208 | return dyn_cast<T>(Ty); |
7209 | } |
7210 | |
7211 | inline const ArrayType *Type::getAsArrayTypeUnsafe() const { |
7212 | |
7213 | if (const auto *arr = dyn_cast<ArrayType>(this)) |
7214 | return arr; |
7215 | |
7216 | |
7217 | if (!isa<ArrayType>(CanonicalType)) |
7218 | return nullptr; |
7219 | |
7220 | |
7221 | |
7222 | return cast<ArrayType>(getUnqualifiedDesugaredType()); |
7223 | } |
7224 | |
7225 | template <typename T> const T *Type::castAs() const { |
7226 | static_assert(!TypeIsArrayType<T>::value, |
7227 | "ArrayType cannot be used with castAs!"); |
7228 | |
7229 | if (const auto *ty = dyn_cast<T>(this)) return ty; |
7230 | assert(isa<T>(CanonicalType)); |
7231 | return cast<T>(getUnqualifiedDesugaredType()); |
7232 | } |
7233 | |
7234 | inline const ArrayType *Type::castAsArrayTypeUnsafe() const { |
7235 | assert(isa<ArrayType>(CanonicalType)); |
7236 | if (const auto *arr = dyn_cast<ArrayType>(this)) return arr; |
7237 | return cast<ArrayType>(getUnqualifiedDesugaredType()); |
7238 | } |
7239 | |
7240 | DecayedType::DecayedType(QualType OriginalType, QualType DecayedPtr, |
7241 | QualType CanonicalPtr) |
7242 | : AdjustedType(Decayed, OriginalType, DecayedPtr, CanonicalPtr) { |
7243 | #ifndef NDEBUG |
7244 | QualType Adjusted = getAdjustedType(); |
7245 | (void)AttributedType::stripOuterNullability(Adjusted); |
7246 | assert(isa<PointerType>(Adjusted)); |
7247 | #endif |
7248 | } |
7249 | |
7250 | QualType DecayedType::getPointeeType() const { |
7251 | QualType Decayed = getDecayedType(); |
7252 | (void)AttributedType::stripOuterNullability(Decayed); |
7253 | return cast<PointerType>(Decayed)->getPointeeType(); |
7254 | } |
7255 | |
7256 | |
7257 | |
7258 | |
7259 | |
7260 | void FixedPointValueToString(SmallVectorImpl<char> &Str, llvm::APSInt Val, |
7261 | unsigned Scale); |
7262 | |
7263 | } |
7264 | |
7265 | #endif // LLVM_CLANG_AST_TYPE_H |