File: | src/gnu/usr.bin/clang/libclangAST/../../../llvm/clang/lib/AST/ASTImporter.cpp |
Warning: | line 5125, column 34 Called C++ object pointer is uninitialized |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
1 | //===- ASTImporter.cpp - Importing ASTs from other Contexts ---------------===// | |||
2 | // | |||
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |||
4 | // See https://llvm.org/LICENSE.txt for license information. | |||
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |||
6 | // | |||
7 | //===----------------------------------------------------------------------===// | |||
8 | // | |||
9 | // This file defines the ASTImporter class which imports AST nodes from one | |||
10 | // context into another context. | |||
11 | // | |||
12 | //===----------------------------------------------------------------------===// | |||
13 | ||||
14 | #include "clang/AST/ASTImporter.h" | |||
15 | #include "clang/AST/ASTImporterSharedState.h" | |||
16 | #include "clang/AST/ASTContext.h" | |||
17 | #include "clang/AST/ASTDiagnostic.h" | |||
18 | #include "clang/AST/ASTStructuralEquivalence.h" | |||
19 | #include "clang/AST/Attr.h" | |||
20 | #include "clang/AST/Decl.h" | |||
21 | #include "clang/AST/DeclAccessPair.h" | |||
22 | #include "clang/AST/DeclBase.h" | |||
23 | #include "clang/AST/DeclCXX.h" | |||
24 | #include "clang/AST/DeclFriend.h" | |||
25 | #include "clang/AST/DeclGroup.h" | |||
26 | #include "clang/AST/DeclObjC.h" | |||
27 | #include "clang/AST/DeclTemplate.h" | |||
28 | #include "clang/AST/DeclVisitor.h" | |||
29 | #include "clang/AST/DeclarationName.h" | |||
30 | #include "clang/AST/Expr.h" | |||
31 | #include "clang/AST/ExprCXX.h" | |||
32 | #include "clang/AST/ExprObjC.h" | |||
33 | #include "clang/AST/ExternalASTSource.h" | |||
34 | #include "clang/AST/LambdaCapture.h" | |||
35 | #include "clang/AST/NestedNameSpecifier.h" | |||
36 | #include "clang/AST/OperationKinds.h" | |||
37 | #include "clang/AST/Stmt.h" | |||
38 | #include "clang/AST/StmtCXX.h" | |||
39 | #include "clang/AST/StmtObjC.h" | |||
40 | #include "clang/AST/StmtVisitor.h" | |||
41 | #include "clang/AST/TemplateBase.h" | |||
42 | #include "clang/AST/TemplateName.h" | |||
43 | #include "clang/AST/Type.h" | |||
44 | #include "clang/AST/TypeLoc.h" | |||
45 | #include "clang/AST/TypeVisitor.h" | |||
46 | #include "clang/AST/UnresolvedSet.h" | |||
47 | #include "clang/Basic/Builtins.h" | |||
48 | #include "clang/Basic/ExceptionSpecificationType.h" | |||
49 | #include "clang/Basic/FileManager.h" | |||
50 | #include "clang/Basic/IdentifierTable.h" | |||
51 | #include "clang/Basic/LLVM.h" | |||
52 | #include "clang/Basic/LangOptions.h" | |||
53 | #include "clang/Basic/SourceLocation.h" | |||
54 | #include "clang/Basic/SourceManager.h" | |||
55 | #include "clang/Basic/Specifiers.h" | |||
56 | #include "llvm/ADT/APSInt.h" | |||
57 | #include "llvm/ADT/ArrayRef.h" | |||
58 | #include "llvm/ADT/DenseMap.h" | |||
59 | #include "llvm/ADT/None.h" | |||
60 | #include "llvm/ADT/Optional.h" | |||
61 | #include "llvm/ADT/ScopeExit.h" | |||
62 | #include "llvm/ADT/STLExtras.h" | |||
63 | #include "llvm/ADT/SmallVector.h" | |||
64 | #include "llvm/Support/Casting.h" | |||
65 | #include "llvm/Support/ErrorHandling.h" | |||
66 | #include "llvm/Support/MemoryBuffer.h" | |||
67 | #include <algorithm> | |||
68 | #include <cassert> | |||
69 | #include <cstddef> | |||
70 | #include <memory> | |||
71 | #include <type_traits> | |||
72 | #include <utility> | |||
73 | ||||
74 | namespace clang { | |||
75 | ||||
76 | using llvm::make_error; | |||
77 | using llvm::Error; | |||
78 | using llvm::Expected; | |||
79 | using ExpectedType = llvm::Expected<QualType>; | |||
80 | using ExpectedStmt = llvm::Expected<Stmt *>; | |||
81 | using ExpectedExpr = llvm::Expected<Expr *>; | |||
82 | using ExpectedDecl = llvm::Expected<Decl *>; | |||
83 | using ExpectedSLoc = llvm::Expected<SourceLocation>; | |||
84 | using ExpectedName = llvm::Expected<DeclarationName>; | |||
85 | ||||
86 | std::string ImportError::toString() const { | |||
87 | // FIXME: Improve error texts. | |||
88 | switch (Error) { | |||
89 | case NameConflict: | |||
90 | return "NameConflict"; | |||
91 | case UnsupportedConstruct: | |||
92 | return "UnsupportedConstruct"; | |||
93 | case Unknown: | |||
94 | return "Unknown error"; | |||
95 | } | |||
96 | llvm_unreachable("Invalid error code.")__builtin_unreachable(); | |||
97 | return "Invalid error code."; | |||
98 | } | |||
99 | ||||
100 | void ImportError::log(raw_ostream &OS) const { | |||
101 | OS << toString(); | |||
102 | } | |||
103 | ||||
104 | std::error_code ImportError::convertToErrorCode() const { | |||
105 | llvm_unreachable("Function not implemented.")__builtin_unreachable(); | |||
106 | } | |||
107 | ||||
108 | char ImportError::ID; | |||
109 | ||||
110 | template <class T> | |||
111 | SmallVector<Decl *, 2> | |||
112 | getCanonicalForwardRedeclChain(Redeclarable<T>* D) { | |||
113 | SmallVector<Decl *, 2> Redecls; | |||
114 | for (auto *R : D->getFirstDecl()->redecls()) { | |||
115 | if (R != D->getFirstDecl()) | |||
116 | Redecls.push_back(R); | |||
117 | } | |||
118 | Redecls.push_back(D->getFirstDecl()); | |||
119 | std::reverse(Redecls.begin(), Redecls.end()); | |||
120 | return Redecls; | |||
121 | } | |||
122 | ||||
123 | SmallVector<Decl*, 2> getCanonicalForwardRedeclChain(Decl* D) { | |||
124 | if (auto *FD = dyn_cast<FunctionDecl>(D)) | |||
125 | return getCanonicalForwardRedeclChain<FunctionDecl>(FD); | |||
126 | if (auto *VD = dyn_cast<VarDecl>(D)) | |||
127 | return getCanonicalForwardRedeclChain<VarDecl>(VD); | |||
128 | if (auto *TD = dyn_cast<TagDecl>(D)) | |||
129 | return getCanonicalForwardRedeclChain<TagDecl>(TD); | |||
130 | llvm_unreachable("Bad declaration kind")__builtin_unreachable(); | |||
131 | } | |||
132 | ||||
133 | void updateFlags(const Decl *From, Decl *To) { | |||
134 | // Check if some flags or attrs are new in 'From' and copy into 'To'. | |||
135 | // FIXME: Other flags or attrs? | |||
136 | if (From->isUsed(false) && !To->isUsed(false)) | |||
137 | To->setIsUsed(); | |||
138 | } | |||
139 | ||||
140 | class ASTNodeImporter : public TypeVisitor<ASTNodeImporter, ExpectedType>, | |||
141 | public DeclVisitor<ASTNodeImporter, ExpectedDecl>, | |||
142 | public StmtVisitor<ASTNodeImporter, ExpectedStmt> { | |||
143 | ASTImporter &Importer; | |||
144 | ||||
145 | // Use this instead of Importer.importInto . | |||
146 | template <typename ImportT> | |||
147 | LLVM_NODISCARD[[clang::warn_unused_result]] Error importInto(ImportT &To, const ImportT &From) { | |||
148 | return Importer.importInto(To, From); | |||
149 | } | |||
150 | ||||
151 | // Use this to import pointers of specific type. | |||
152 | template <typename ImportT> | |||
153 | LLVM_NODISCARD[[clang::warn_unused_result]] Error importInto(ImportT *&To, ImportT *From) { | |||
154 | auto ToOrErr = Importer.Import(From); | |||
155 | if (ToOrErr) | |||
156 | To = cast_or_null<ImportT>(*ToOrErr); | |||
157 | return ToOrErr.takeError(); | |||
158 | } | |||
159 | ||||
160 | // Call the import function of ASTImporter for a baseclass of type `T` and | |||
161 | // cast the return value to `T`. | |||
162 | template <typename T> | |||
163 | Expected<T *> import(T *From) { | |||
164 | auto ToOrErr = Importer.Import(From); | |||
165 | if (!ToOrErr) | |||
166 | return ToOrErr.takeError(); | |||
167 | return cast_or_null<T>(*ToOrErr); | |||
168 | } | |||
169 | ||||
170 | template <typename T> | |||
171 | Expected<T *> import(const T *From) { | |||
172 | return import(const_cast<T *>(From)); | |||
173 | } | |||
174 | ||||
175 | // Call the import function of ASTImporter for type `T`. | |||
176 | template <typename T> | |||
177 | Expected<T> import(const T &From) { | |||
178 | return Importer.Import(From); | |||
179 | } | |||
180 | ||||
181 | // Import an Optional<T> by importing the contained T, if any. | |||
182 | template<typename T> | |||
183 | Expected<Optional<T>> import(Optional<T> From) { | |||
184 | if (!From) | |||
185 | return Optional<T>(); | |||
186 | return import(*From); | |||
187 | } | |||
188 | ||||
189 | // Helper for chaining together multiple imports. If an error is detected, | |||
190 | // subsequent imports will return default constructed nodes, so that failure | |||
191 | // can be detected with a single conditional branch after a sequence of | |||
192 | // imports. | |||
193 | template <typename T> T importChecked(Error &Err, const T &From) { | |||
194 | // Don't attempt to import nodes if we hit an error earlier. | |||
195 | if (Err) | |||
196 | return T{}; | |||
197 | Expected<T> MaybeVal = import(From); | |||
198 | if (!MaybeVal) { | |||
199 | Err = MaybeVal.takeError(); | |||
200 | return T{}; | |||
201 | } | |||
202 | return *MaybeVal; | |||
203 | } | |||
204 | ||||
205 | ExplicitSpecifier importExplicitSpecifier(Error &Err, | |||
206 | ExplicitSpecifier ESpec); | |||
207 | ||||
208 | // Wrapper for an overload set. | |||
209 | template <typename ToDeclT> struct CallOverloadedCreateFun { | |||
210 | template <typename... Args> decltype(auto) operator()(Args &&... args) { | |||
211 | return ToDeclT::Create(std::forward<Args>(args)...); | |||
212 | } | |||
213 | }; | |||
214 | ||||
215 | // Always use these functions to create a Decl during import. There are | |||
216 | // certain tasks which must be done after the Decl was created, e.g. we | |||
217 | // must immediately register that as an imported Decl. The parameter `ToD` | |||
218 | // will be set to the newly created Decl or if had been imported before | |||
219 | // then to the already imported Decl. Returns a bool value set to true if | |||
220 | // the `FromD` had been imported before. | |||
221 | template <typename ToDeclT, typename FromDeclT, typename... Args> | |||
222 | LLVM_NODISCARD[[clang::warn_unused_result]] bool GetImportedOrCreateDecl(ToDeclT *&ToD, FromDeclT *FromD, | |||
223 | Args &&... args) { | |||
224 | // There may be several overloads of ToDeclT::Create. We must make sure | |||
225 | // to call the one which would be chosen by the arguments, thus we use a | |||
226 | // wrapper for the overload set. | |||
227 | CallOverloadedCreateFun<ToDeclT> OC; | |||
228 | return GetImportedOrCreateSpecialDecl(ToD, OC, FromD, | |||
229 | std::forward<Args>(args)...); | |||
230 | } | |||
231 | // Use this overload if a special Type is needed to be created. E.g if we | |||
232 | // want to create a `TypeAliasDecl` and assign that to a `TypedefNameDecl` | |||
233 | // then: | |||
234 | // TypedefNameDecl *ToTypedef; | |||
235 | // GetImportedOrCreateDecl<TypeAliasDecl>(ToTypedef, FromD, ...); | |||
236 | template <typename NewDeclT, typename ToDeclT, typename FromDeclT, | |||
237 | typename... Args> | |||
238 | LLVM_NODISCARD[[clang::warn_unused_result]] bool GetImportedOrCreateDecl(ToDeclT *&ToD, FromDeclT *FromD, | |||
239 | Args &&... args) { | |||
240 | CallOverloadedCreateFun<NewDeclT> OC; | |||
241 | return GetImportedOrCreateSpecialDecl(ToD, OC, FromD, | |||
242 | std::forward<Args>(args)...); | |||
243 | } | |||
244 | // Use this version if a special create function must be | |||
245 | // used, e.g. CXXRecordDecl::CreateLambda . | |||
246 | template <typename ToDeclT, typename CreateFunT, typename FromDeclT, | |||
247 | typename... Args> | |||
248 | LLVM_NODISCARD[[clang::warn_unused_result]] bool | |||
249 | GetImportedOrCreateSpecialDecl(ToDeclT *&ToD, CreateFunT CreateFun, | |||
250 | FromDeclT *FromD, Args &&... args) { | |||
251 | if (Importer.getImportDeclErrorIfAny(FromD)) { | |||
252 | ToD = nullptr; | |||
253 | return true; // Already imported but with error. | |||
254 | } | |||
255 | ToD = cast_or_null<ToDeclT>(Importer.GetAlreadyImportedOrNull(FromD)); | |||
256 | if (ToD) | |||
257 | return true; // Already imported. | |||
258 | ToD = CreateFun(std::forward<Args>(args)...); | |||
259 | // Keep track of imported Decls. | |||
260 | Importer.RegisterImportedDecl(FromD, ToD); | |||
261 | InitializeImportedDecl(FromD, ToD); | |||
262 | return false; // A new Decl is created. | |||
263 | } | |||
264 | ||||
265 | void InitializeImportedDecl(Decl *FromD, Decl *ToD) { | |||
266 | ToD->IdentifierNamespace = FromD->IdentifierNamespace; | |||
267 | if (FromD->isUsed()) | |||
268 | ToD->setIsUsed(); | |||
269 | if (FromD->isImplicit()) | |||
270 | ToD->setImplicit(); | |||
271 | } | |||
272 | ||||
273 | // Check if we have found an existing definition. Returns with that | |||
274 | // definition if yes, otherwise returns null. | |||
275 | Decl *FindAndMapDefinition(FunctionDecl *D, FunctionDecl *FoundFunction) { | |||
276 | const FunctionDecl *Definition = nullptr; | |||
277 | if (D->doesThisDeclarationHaveABody() && | |||
278 | FoundFunction->hasBody(Definition)) | |||
279 | return Importer.MapImported(D, const_cast<FunctionDecl *>(Definition)); | |||
280 | return nullptr; | |||
281 | } | |||
282 | ||||
283 | void addDeclToContexts(Decl *FromD, Decl *ToD) { | |||
284 | if (Importer.isMinimalImport()) { | |||
285 | // In minimal import case the decl must be added even if it is not | |||
286 | // contained in original context, for LLDB compatibility. | |||
287 | // FIXME: Check if a better solution is possible. | |||
288 | if (!FromD->getDescribedTemplate() && | |||
289 | FromD->getFriendObjectKind() == Decl::FOK_None) | |||
290 | ToD->getLexicalDeclContext()->addDeclInternal(ToD); | |||
291 | return; | |||
292 | } | |||
293 | ||||
294 | DeclContext *FromDC = FromD->getDeclContext(); | |||
295 | DeclContext *FromLexicalDC = FromD->getLexicalDeclContext(); | |||
296 | DeclContext *ToDC = ToD->getDeclContext(); | |||
297 | DeclContext *ToLexicalDC = ToD->getLexicalDeclContext(); | |||
298 | ||||
299 | bool Visible = false; | |||
300 | if (FromDC->containsDeclAndLoad(FromD)) { | |||
301 | ToDC->addDeclInternal(ToD); | |||
302 | Visible = true; | |||
303 | } | |||
304 | if (ToDC != ToLexicalDC && FromLexicalDC->containsDeclAndLoad(FromD)) { | |||
305 | ToLexicalDC->addDeclInternal(ToD); | |||
306 | Visible = true; | |||
307 | } | |||
308 | ||||
309 | // If the Decl was added to any context, it was made already visible. | |||
310 | // Otherwise it is still possible that it should be visible. | |||
311 | if (!Visible) { | |||
312 | if (auto *FromNamed = dyn_cast<NamedDecl>(FromD)) { | |||
313 | auto *ToNamed = cast<NamedDecl>(ToD); | |||
314 | DeclContextLookupResult FromLookup = | |||
315 | FromDC->lookup(FromNamed->getDeclName()); | |||
316 | for (NamedDecl *ND : FromLookup) | |||
317 | if (ND == FromNamed) { | |||
318 | ToDC->makeDeclVisibleInContext(ToNamed); | |||
319 | break; | |||
320 | } | |||
321 | } | |||
322 | } | |||
323 | } | |||
324 | ||||
325 | void updateLookupTableForTemplateParameters(TemplateParameterList &Params, | |||
326 | DeclContext *OldDC) { | |||
327 | ASTImporterLookupTable *LT = Importer.SharedState->getLookupTable(); | |||
328 | if (!LT) | |||
329 | return; | |||
330 | ||||
331 | for (NamedDecl *TP : Params) | |||
332 | LT->update(TP, OldDC); | |||
333 | } | |||
334 | ||||
335 | void updateLookupTableForTemplateParameters(TemplateParameterList &Params) { | |||
336 | updateLookupTableForTemplateParameters( | |||
337 | Params, Importer.getToContext().getTranslationUnitDecl()); | |||
338 | } | |||
339 | ||||
340 | public: | |||
341 | explicit ASTNodeImporter(ASTImporter &Importer) : Importer(Importer) {} | |||
342 | ||||
343 | using TypeVisitor<ASTNodeImporter, ExpectedType>::Visit; | |||
344 | using DeclVisitor<ASTNodeImporter, ExpectedDecl>::Visit; | |||
345 | using StmtVisitor<ASTNodeImporter, ExpectedStmt>::Visit; | |||
346 | ||||
347 | // Importing types | |||
348 | ExpectedType VisitType(const Type *T); | |||
349 | ExpectedType VisitAtomicType(const AtomicType *T); | |||
350 | ExpectedType VisitBuiltinType(const BuiltinType *T); | |||
351 | ExpectedType VisitDecayedType(const DecayedType *T); | |||
352 | ExpectedType VisitComplexType(const ComplexType *T); | |||
353 | ExpectedType VisitPointerType(const PointerType *T); | |||
354 | ExpectedType VisitBlockPointerType(const BlockPointerType *T); | |||
355 | ExpectedType VisitLValueReferenceType(const LValueReferenceType *T); | |||
356 | ExpectedType VisitRValueReferenceType(const RValueReferenceType *T); | |||
357 | ExpectedType VisitMemberPointerType(const MemberPointerType *T); | |||
358 | ExpectedType VisitConstantArrayType(const ConstantArrayType *T); | |||
359 | ExpectedType VisitIncompleteArrayType(const IncompleteArrayType *T); | |||
360 | ExpectedType VisitVariableArrayType(const VariableArrayType *T); | |||
361 | ExpectedType VisitDependentSizedArrayType(const DependentSizedArrayType *T); | |||
362 | // FIXME: DependentSizedExtVectorType | |||
363 | ExpectedType VisitVectorType(const VectorType *T); | |||
364 | ExpectedType VisitExtVectorType(const ExtVectorType *T); | |||
365 | ExpectedType VisitFunctionNoProtoType(const FunctionNoProtoType *T); | |||
366 | ExpectedType VisitFunctionProtoType(const FunctionProtoType *T); | |||
367 | ExpectedType VisitUnresolvedUsingType(const UnresolvedUsingType *T); | |||
368 | ExpectedType VisitParenType(const ParenType *T); | |||
369 | ExpectedType VisitTypedefType(const TypedefType *T); | |||
370 | ExpectedType VisitTypeOfExprType(const TypeOfExprType *T); | |||
371 | // FIXME: DependentTypeOfExprType | |||
372 | ExpectedType VisitTypeOfType(const TypeOfType *T); | |||
373 | ExpectedType VisitDecltypeType(const DecltypeType *T); | |||
374 | ExpectedType VisitUnaryTransformType(const UnaryTransformType *T); | |||
375 | ExpectedType VisitAutoType(const AutoType *T); | |||
376 | ExpectedType VisitDeducedTemplateSpecializationType( | |||
377 | const DeducedTemplateSpecializationType *T); | |||
378 | ExpectedType VisitInjectedClassNameType(const InjectedClassNameType *T); | |||
379 | // FIXME: DependentDecltypeType | |||
380 | ExpectedType VisitRecordType(const RecordType *T); | |||
381 | ExpectedType VisitEnumType(const EnumType *T); | |||
382 | ExpectedType VisitAttributedType(const AttributedType *T); | |||
383 | ExpectedType VisitTemplateTypeParmType(const TemplateTypeParmType *T); | |||
384 | ExpectedType VisitSubstTemplateTypeParmType( | |||
385 | const SubstTemplateTypeParmType *T); | |||
386 | ExpectedType VisitTemplateSpecializationType( | |||
387 | const TemplateSpecializationType *T); | |||
388 | ExpectedType VisitElaboratedType(const ElaboratedType *T); | |||
389 | ExpectedType VisitDependentNameType(const DependentNameType *T); | |||
390 | ExpectedType VisitPackExpansionType(const PackExpansionType *T); | |||
391 | ExpectedType VisitDependentTemplateSpecializationType( | |||
392 | const DependentTemplateSpecializationType *T); | |||
393 | ExpectedType VisitObjCInterfaceType(const ObjCInterfaceType *T); | |||
394 | ExpectedType VisitObjCObjectType(const ObjCObjectType *T); | |||
395 | ExpectedType VisitObjCObjectPointerType(const ObjCObjectPointerType *T); | |||
396 | ||||
397 | // Importing declarations | |||
398 | Error ImportDeclParts(NamedDecl *D, DeclarationName &Name, NamedDecl *&ToD, | |||
399 | SourceLocation &Loc); | |||
400 | Error ImportDeclParts( | |||
401 | NamedDecl *D, DeclContext *&DC, DeclContext *&LexicalDC, | |||
402 | DeclarationName &Name, NamedDecl *&ToD, SourceLocation &Loc); | |||
403 | Error ImportDefinitionIfNeeded(Decl *FromD, Decl *ToD = nullptr); | |||
404 | Error ImportDeclarationNameLoc( | |||
405 | const DeclarationNameInfo &From, DeclarationNameInfo &To); | |||
406 | Error ImportDeclContext(DeclContext *FromDC, bool ForceImport = false); | |||
407 | Error ImportDeclContext( | |||
408 | Decl *From, DeclContext *&ToDC, DeclContext *&ToLexicalDC); | |||
409 | Error ImportImplicitMethods(const CXXRecordDecl *From, CXXRecordDecl *To); | |||
410 | ||||
411 | Expected<CXXCastPath> ImportCastPath(CastExpr *E); | |||
412 | Expected<APValue> ImportAPValue(const APValue &FromValue); | |||
413 | ||||
414 | using Designator = DesignatedInitExpr::Designator; | |||
415 | ||||
416 | /// What we should import from the definition. | |||
417 | enum ImportDefinitionKind { | |||
418 | /// Import the default subset of the definition, which might be | |||
419 | /// nothing (if minimal import is set) or might be everything (if minimal | |||
420 | /// import is not set). | |||
421 | IDK_Default, | |||
422 | /// Import everything. | |||
423 | IDK_Everything, | |||
424 | /// Import only the bare bones needed to establish a valid | |||
425 | /// DeclContext. | |||
426 | IDK_Basic | |||
427 | }; | |||
428 | ||||
429 | bool shouldForceImportDeclContext(ImportDefinitionKind IDK) { | |||
430 | return IDK == IDK_Everything || | |||
431 | (IDK == IDK_Default && !Importer.isMinimalImport()); | |||
432 | } | |||
433 | ||||
434 | Error ImportInitializer(VarDecl *From, VarDecl *To); | |||
435 | Error ImportDefinition( | |||
436 | RecordDecl *From, RecordDecl *To, | |||
437 | ImportDefinitionKind Kind = IDK_Default); | |||
438 | Error ImportDefinition( | |||
439 | EnumDecl *From, EnumDecl *To, | |||
440 | ImportDefinitionKind Kind = IDK_Default); | |||
441 | Error ImportDefinition( | |||
442 | ObjCInterfaceDecl *From, ObjCInterfaceDecl *To, | |||
443 | ImportDefinitionKind Kind = IDK_Default); | |||
444 | Error ImportDefinition( | |||
445 | ObjCProtocolDecl *From, ObjCProtocolDecl *To, | |||
446 | ImportDefinitionKind Kind = IDK_Default); | |||
447 | Error ImportTemplateArguments( | |||
448 | const TemplateArgument *FromArgs, unsigned NumFromArgs, | |||
449 | SmallVectorImpl<TemplateArgument> &ToArgs); | |||
450 | Expected<TemplateArgument> | |||
451 | ImportTemplateArgument(const TemplateArgument &From); | |||
452 | ||||
453 | template <typename InContainerTy> | |||
454 | Error ImportTemplateArgumentListInfo( | |||
455 | const InContainerTy &Container, TemplateArgumentListInfo &ToTAInfo); | |||
456 | ||||
457 | template<typename InContainerTy> | |||
458 | Error ImportTemplateArgumentListInfo( | |||
459 | SourceLocation FromLAngleLoc, SourceLocation FromRAngleLoc, | |||
460 | const InContainerTy &Container, TemplateArgumentListInfo &Result); | |||
461 | ||||
462 | using TemplateArgsTy = SmallVector<TemplateArgument, 8>; | |||
463 | using FunctionTemplateAndArgsTy = | |||
464 | std::tuple<FunctionTemplateDecl *, TemplateArgsTy>; | |||
465 | Expected<FunctionTemplateAndArgsTy> | |||
466 | ImportFunctionTemplateWithTemplateArgsFromSpecialization( | |||
467 | FunctionDecl *FromFD); | |||
468 | Error ImportTemplateParameterLists(const DeclaratorDecl *FromD, | |||
469 | DeclaratorDecl *ToD); | |||
470 | ||||
471 | Error ImportTemplateInformation(FunctionDecl *FromFD, FunctionDecl *ToFD); | |||
472 | ||||
473 | Error ImportFunctionDeclBody(FunctionDecl *FromFD, FunctionDecl *ToFD); | |||
474 | ||||
475 | Error ImportDefaultArgOfParmVarDecl(const ParmVarDecl *FromParam, | |||
476 | ParmVarDecl *ToParam); | |||
477 | ||||
478 | template <typename T> | |||
479 | bool hasSameVisibilityContextAndLinkage(T *Found, T *From); | |||
480 | ||||
481 | bool IsStructuralMatch(Decl *From, Decl *To, bool Complain); | |||
482 | bool IsStructuralMatch(RecordDecl *FromRecord, RecordDecl *ToRecord, | |||
483 | bool Complain = true); | |||
484 | bool IsStructuralMatch(VarDecl *FromVar, VarDecl *ToVar, | |||
485 | bool Complain = true); | |||
486 | bool IsStructuralMatch(EnumDecl *FromEnum, EnumDecl *ToRecord); | |||
487 | bool IsStructuralMatch(EnumConstantDecl *FromEC, EnumConstantDecl *ToEC); | |||
488 | bool IsStructuralMatch(FunctionTemplateDecl *From, | |||
489 | FunctionTemplateDecl *To); | |||
490 | bool IsStructuralMatch(FunctionDecl *From, FunctionDecl *To); | |||
491 | bool IsStructuralMatch(ClassTemplateDecl *From, ClassTemplateDecl *To); | |||
492 | bool IsStructuralMatch(VarTemplateDecl *From, VarTemplateDecl *To); | |||
493 | ExpectedDecl VisitDecl(Decl *D); | |||
494 | ExpectedDecl VisitImportDecl(ImportDecl *D); | |||
495 | ExpectedDecl VisitEmptyDecl(EmptyDecl *D); | |||
496 | ExpectedDecl VisitAccessSpecDecl(AccessSpecDecl *D); | |||
497 | ExpectedDecl VisitStaticAssertDecl(StaticAssertDecl *D); | |||
498 | ExpectedDecl VisitTranslationUnitDecl(TranslationUnitDecl *D); | |||
499 | ExpectedDecl VisitBindingDecl(BindingDecl *D); | |||
500 | ExpectedDecl VisitNamespaceDecl(NamespaceDecl *D); | |||
501 | ExpectedDecl VisitNamespaceAliasDecl(NamespaceAliasDecl *D); | |||
502 | ExpectedDecl VisitTypedefNameDecl(TypedefNameDecl *D, bool IsAlias); | |||
503 | ExpectedDecl VisitTypedefDecl(TypedefDecl *D); | |||
504 | ExpectedDecl VisitTypeAliasDecl(TypeAliasDecl *D); | |||
505 | ExpectedDecl VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D); | |||
506 | ExpectedDecl VisitLabelDecl(LabelDecl *D); | |||
507 | ExpectedDecl VisitEnumDecl(EnumDecl *D); | |||
508 | ExpectedDecl VisitRecordDecl(RecordDecl *D); | |||
509 | ExpectedDecl VisitEnumConstantDecl(EnumConstantDecl *D); | |||
510 | ExpectedDecl VisitFunctionDecl(FunctionDecl *D); | |||
511 | ExpectedDecl VisitCXXMethodDecl(CXXMethodDecl *D); | |||
512 | ExpectedDecl VisitCXXConstructorDecl(CXXConstructorDecl *D); | |||
513 | ExpectedDecl VisitCXXDestructorDecl(CXXDestructorDecl *D); | |||
514 | ExpectedDecl VisitCXXConversionDecl(CXXConversionDecl *D); | |||
515 | ExpectedDecl VisitCXXDeductionGuideDecl(CXXDeductionGuideDecl *D); | |||
516 | ExpectedDecl VisitFieldDecl(FieldDecl *D); | |||
517 | ExpectedDecl VisitIndirectFieldDecl(IndirectFieldDecl *D); | |||
518 | ExpectedDecl VisitFriendDecl(FriendDecl *D); | |||
519 | ExpectedDecl VisitObjCIvarDecl(ObjCIvarDecl *D); | |||
520 | ExpectedDecl VisitVarDecl(VarDecl *D); | |||
521 | ExpectedDecl VisitImplicitParamDecl(ImplicitParamDecl *D); | |||
522 | ExpectedDecl VisitParmVarDecl(ParmVarDecl *D); | |||
523 | ExpectedDecl VisitObjCMethodDecl(ObjCMethodDecl *D); | |||
524 | ExpectedDecl VisitObjCTypeParamDecl(ObjCTypeParamDecl *D); | |||
525 | ExpectedDecl VisitObjCCategoryDecl(ObjCCategoryDecl *D); | |||
526 | ExpectedDecl VisitObjCProtocolDecl(ObjCProtocolDecl *D); | |||
527 | ExpectedDecl VisitLinkageSpecDecl(LinkageSpecDecl *D); | |||
528 | ExpectedDecl VisitUsingDecl(UsingDecl *D); | |||
529 | ExpectedDecl VisitUsingShadowDecl(UsingShadowDecl *D); | |||
530 | ExpectedDecl VisitUsingDirectiveDecl(UsingDirectiveDecl *D); | |||
531 | ExpectedDecl ImportUsingShadowDecls(BaseUsingDecl *D, BaseUsingDecl *ToSI); | |||
532 | ExpectedDecl VisitUsingEnumDecl(UsingEnumDecl *D); | |||
533 | ExpectedDecl VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D); | |||
534 | ExpectedDecl VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D); | |||
535 | ExpectedDecl VisitBuiltinTemplateDecl(BuiltinTemplateDecl *D); | |||
536 | ExpectedDecl | |||
537 | VisitLifetimeExtendedTemporaryDecl(LifetimeExtendedTemporaryDecl *D); | |||
538 | ||||
539 | Expected<ObjCTypeParamList *> | |||
540 | ImportObjCTypeParamList(ObjCTypeParamList *list); | |||
541 | ||||
542 | ExpectedDecl VisitObjCInterfaceDecl(ObjCInterfaceDecl *D); | |||
543 | ExpectedDecl VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D); | |||
544 | ExpectedDecl VisitObjCImplementationDecl(ObjCImplementationDecl *D); | |||
545 | ExpectedDecl VisitObjCPropertyDecl(ObjCPropertyDecl *D); | |||
546 | ExpectedDecl VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D); | |||
547 | ExpectedDecl VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D); | |||
548 | ExpectedDecl VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D); | |||
549 | ExpectedDecl VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D); | |||
550 | ExpectedDecl VisitClassTemplateDecl(ClassTemplateDecl *D); | |||
551 | ExpectedDecl VisitClassTemplateSpecializationDecl( | |||
552 | ClassTemplateSpecializationDecl *D); | |||
553 | ExpectedDecl VisitVarTemplateDecl(VarTemplateDecl *D); | |||
554 | ExpectedDecl VisitVarTemplateSpecializationDecl(VarTemplateSpecializationDecl *D); | |||
555 | ExpectedDecl VisitFunctionTemplateDecl(FunctionTemplateDecl *D); | |||
556 | ||||
557 | // Importing statements | |||
558 | ExpectedStmt VisitStmt(Stmt *S); | |||
559 | ExpectedStmt VisitGCCAsmStmt(GCCAsmStmt *S); | |||
560 | ExpectedStmt VisitDeclStmt(DeclStmt *S); | |||
561 | ExpectedStmt VisitNullStmt(NullStmt *S); | |||
562 | ExpectedStmt VisitCompoundStmt(CompoundStmt *S); | |||
563 | ExpectedStmt VisitCaseStmt(CaseStmt *S); | |||
564 | ExpectedStmt VisitDefaultStmt(DefaultStmt *S); | |||
565 | ExpectedStmt VisitLabelStmt(LabelStmt *S); | |||
566 | ExpectedStmt VisitAttributedStmt(AttributedStmt *S); | |||
567 | ExpectedStmt VisitIfStmt(IfStmt *S); | |||
568 | ExpectedStmt VisitSwitchStmt(SwitchStmt *S); | |||
569 | ExpectedStmt VisitWhileStmt(WhileStmt *S); | |||
570 | ExpectedStmt VisitDoStmt(DoStmt *S); | |||
571 | ExpectedStmt VisitForStmt(ForStmt *S); | |||
572 | ExpectedStmt VisitGotoStmt(GotoStmt *S); | |||
573 | ExpectedStmt VisitIndirectGotoStmt(IndirectGotoStmt *S); | |||
574 | ExpectedStmt VisitContinueStmt(ContinueStmt *S); | |||
575 | ExpectedStmt VisitBreakStmt(BreakStmt *S); | |||
576 | ExpectedStmt VisitReturnStmt(ReturnStmt *S); | |||
577 | // FIXME: MSAsmStmt | |||
578 | // FIXME: SEHExceptStmt | |||
579 | // FIXME: SEHFinallyStmt | |||
580 | // FIXME: SEHTryStmt | |||
581 | // FIXME: SEHLeaveStmt | |||
582 | // FIXME: CapturedStmt | |||
583 | ExpectedStmt VisitCXXCatchStmt(CXXCatchStmt *S); | |||
584 | ExpectedStmt VisitCXXTryStmt(CXXTryStmt *S); | |||
585 | ExpectedStmt VisitCXXForRangeStmt(CXXForRangeStmt *S); | |||
586 | // FIXME: MSDependentExistsStmt | |||
587 | ExpectedStmt VisitObjCForCollectionStmt(ObjCForCollectionStmt *S); | |||
588 | ExpectedStmt VisitObjCAtCatchStmt(ObjCAtCatchStmt *S); | |||
589 | ExpectedStmt VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S); | |||
590 | ExpectedStmt VisitObjCAtTryStmt(ObjCAtTryStmt *S); | |||
591 | ExpectedStmt VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S); | |||
592 | ExpectedStmt VisitObjCAtThrowStmt(ObjCAtThrowStmt *S); | |||
593 | ExpectedStmt VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *S); | |||
594 | ||||
595 | // Importing expressions | |||
596 | ExpectedStmt VisitExpr(Expr *E); | |||
597 | ExpectedStmt VisitSourceLocExpr(SourceLocExpr *E); | |||
598 | ExpectedStmt VisitVAArgExpr(VAArgExpr *E); | |||
599 | ExpectedStmt VisitChooseExpr(ChooseExpr *E); | |||
600 | ExpectedStmt VisitGNUNullExpr(GNUNullExpr *E); | |||
601 | ExpectedStmt VisitGenericSelectionExpr(GenericSelectionExpr *E); | |||
602 | ExpectedStmt VisitPredefinedExpr(PredefinedExpr *E); | |||
603 | ExpectedStmt VisitDeclRefExpr(DeclRefExpr *E); | |||
604 | ExpectedStmt VisitImplicitValueInitExpr(ImplicitValueInitExpr *E); | |||
605 | ExpectedStmt VisitDesignatedInitExpr(DesignatedInitExpr *E); | |||
606 | ExpectedStmt VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E); | |||
607 | ExpectedStmt VisitIntegerLiteral(IntegerLiteral *E); | |||
608 | ExpectedStmt VisitFloatingLiteral(FloatingLiteral *E); | |||
609 | ExpectedStmt VisitImaginaryLiteral(ImaginaryLiteral *E); | |||
610 | ExpectedStmt VisitFixedPointLiteral(FixedPointLiteral *E); | |||
611 | ExpectedStmt VisitCharacterLiteral(CharacterLiteral *E); | |||
612 | ExpectedStmt VisitStringLiteral(StringLiteral *E); | |||
613 | ExpectedStmt VisitCompoundLiteralExpr(CompoundLiteralExpr *E); | |||
614 | ExpectedStmt VisitAtomicExpr(AtomicExpr *E); | |||
615 | ExpectedStmt VisitAddrLabelExpr(AddrLabelExpr *E); | |||
616 | ExpectedStmt VisitConstantExpr(ConstantExpr *E); | |||
617 | ExpectedStmt VisitParenExpr(ParenExpr *E); | |||
618 | ExpectedStmt VisitParenListExpr(ParenListExpr *E); | |||
619 | ExpectedStmt VisitStmtExpr(StmtExpr *E); | |||
620 | ExpectedStmt VisitUnaryOperator(UnaryOperator *E); | |||
621 | ExpectedStmt VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E); | |||
622 | ExpectedStmt VisitBinaryOperator(BinaryOperator *E); | |||
623 | ExpectedStmt VisitConditionalOperator(ConditionalOperator *E); | |||
624 | ExpectedStmt VisitBinaryConditionalOperator(BinaryConditionalOperator *E); | |||
625 | ExpectedStmt VisitOpaqueValueExpr(OpaqueValueExpr *E); | |||
626 | ExpectedStmt VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E); | |||
627 | ExpectedStmt VisitExpressionTraitExpr(ExpressionTraitExpr *E); | |||
628 | ExpectedStmt VisitArraySubscriptExpr(ArraySubscriptExpr *E); | |||
629 | ExpectedStmt VisitCompoundAssignOperator(CompoundAssignOperator *E); | |||
630 | ExpectedStmt VisitImplicitCastExpr(ImplicitCastExpr *E); | |||
631 | ExpectedStmt VisitExplicitCastExpr(ExplicitCastExpr *E); | |||
632 | ExpectedStmt VisitOffsetOfExpr(OffsetOfExpr *OE); | |||
633 | ExpectedStmt VisitCXXThrowExpr(CXXThrowExpr *E); | |||
634 | ExpectedStmt VisitCXXNoexceptExpr(CXXNoexceptExpr *E); | |||
635 | ExpectedStmt VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E); | |||
636 | ExpectedStmt VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E); | |||
637 | ExpectedStmt VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E); | |||
638 | ExpectedStmt VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E); | |||
639 | ExpectedStmt VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *E); | |||
640 | ExpectedStmt VisitPackExpansionExpr(PackExpansionExpr *E); | |||
641 | ExpectedStmt VisitSizeOfPackExpr(SizeOfPackExpr *E); | |||
642 | ExpectedStmt VisitCXXNewExpr(CXXNewExpr *E); | |||
643 | ExpectedStmt VisitCXXDeleteExpr(CXXDeleteExpr *E); | |||
644 | ExpectedStmt VisitCXXConstructExpr(CXXConstructExpr *E); | |||
645 | ExpectedStmt VisitCXXMemberCallExpr(CXXMemberCallExpr *E); | |||
646 | ExpectedStmt VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E); | |||
647 | ExpectedStmt VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E); | |||
648 | ExpectedStmt VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E); | |||
649 | ExpectedStmt VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E); | |||
650 | ExpectedStmt VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E); | |||
651 | ExpectedStmt VisitExprWithCleanups(ExprWithCleanups *E); | |||
652 | ExpectedStmt VisitCXXThisExpr(CXXThisExpr *E); | |||
653 | ExpectedStmt VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E); | |||
654 | ExpectedStmt VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E); | |||
655 | ExpectedStmt VisitMemberExpr(MemberExpr *E); | |||
656 | ExpectedStmt VisitCallExpr(CallExpr *E); | |||
657 | ExpectedStmt VisitLambdaExpr(LambdaExpr *LE); | |||
658 | ExpectedStmt VisitInitListExpr(InitListExpr *E); | |||
659 | ExpectedStmt VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr *E); | |||
660 | ExpectedStmt VisitCXXInheritedCtorInitExpr(CXXInheritedCtorInitExpr *E); | |||
661 | ExpectedStmt VisitArrayInitLoopExpr(ArrayInitLoopExpr *E); | |||
662 | ExpectedStmt VisitArrayInitIndexExpr(ArrayInitIndexExpr *E); | |||
663 | ExpectedStmt VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E); | |||
664 | ExpectedStmt VisitCXXNamedCastExpr(CXXNamedCastExpr *E); | |||
665 | ExpectedStmt VisitSubstNonTypeTemplateParmExpr(SubstNonTypeTemplateParmExpr *E); | |||
666 | ExpectedStmt VisitTypeTraitExpr(TypeTraitExpr *E); | |||
667 | ExpectedStmt VisitCXXTypeidExpr(CXXTypeidExpr *E); | |||
668 | ExpectedStmt VisitCXXFoldExpr(CXXFoldExpr *E); | |||
669 | ||||
670 | template<typename IIter, typename OIter> | |||
671 | Error ImportArrayChecked(IIter Ibegin, IIter Iend, OIter Obegin) { | |||
672 | using ItemT = std::remove_reference_t<decltype(*Obegin)>; | |||
673 | for (; Ibegin != Iend; ++Ibegin, ++Obegin) { | |||
674 | Expected<ItemT> ToOrErr = import(*Ibegin); | |||
675 | if (!ToOrErr) | |||
676 | return ToOrErr.takeError(); | |||
677 | *Obegin = *ToOrErr; | |||
678 | } | |||
679 | return Error::success(); | |||
680 | } | |||
681 | ||||
682 | // Import every item from a container structure into an output container. | |||
683 | // If error occurs, stops at first error and returns the error. | |||
684 | // The output container should have space for all needed elements (it is not | |||
685 | // expanded, new items are put into from the beginning). | |||
686 | template<typename InContainerTy, typename OutContainerTy> | |||
687 | Error ImportContainerChecked( | |||
688 | const InContainerTy &InContainer, OutContainerTy &OutContainer) { | |||
689 | return ImportArrayChecked( | |||
690 | InContainer.begin(), InContainer.end(), OutContainer.begin()); | |||
691 | } | |||
692 | ||||
693 | template<typename InContainerTy, typename OIter> | |||
694 | Error ImportArrayChecked(const InContainerTy &InContainer, OIter Obegin) { | |||
695 | return ImportArrayChecked(InContainer.begin(), InContainer.end(), Obegin); | |||
696 | } | |||
697 | ||||
698 | Error ImportOverriddenMethods(CXXMethodDecl *ToMethod, | |||
699 | CXXMethodDecl *FromMethod); | |||
700 | ||||
701 | Expected<FunctionDecl *> FindFunctionTemplateSpecialization( | |||
702 | FunctionDecl *FromFD); | |||
703 | ||||
704 | // Returns true if the given function has a placeholder return type and | |||
705 | // that type is declared inside the body of the function. | |||
706 | // E.g. auto f() { struct X{}; return X(); } | |||
707 | bool hasAutoReturnTypeDeclaredInside(FunctionDecl *D); | |||
708 | }; | |||
709 | ||||
710 | template <typename InContainerTy> | |||
711 | Error ASTNodeImporter::ImportTemplateArgumentListInfo( | |||
712 | SourceLocation FromLAngleLoc, SourceLocation FromRAngleLoc, | |||
713 | const InContainerTy &Container, TemplateArgumentListInfo &Result) { | |||
714 | auto ToLAngleLocOrErr = import(FromLAngleLoc); | |||
715 | if (!ToLAngleLocOrErr) | |||
716 | return ToLAngleLocOrErr.takeError(); | |||
717 | auto ToRAngleLocOrErr = import(FromRAngleLoc); | |||
718 | if (!ToRAngleLocOrErr) | |||
719 | return ToRAngleLocOrErr.takeError(); | |||
720 | ||||
721 | TemplateArgumentListInfo ToTAInfo(*ToLAngleLocOrErr, *ToRAngleLocOrErr); | |||
722 | if (auto Err = ImportTemplateArgumentListInfo(Container, ToTAInfo)) | |||
723 | return Err; | |||
724 | Result = ToTAInfo; | |||
725 | return Error::success(); | |||
726 | } | |||
727 | ||||
728 | template <> | |||
729 | Error ASTNodeImporter::ImportTemplateArgumentListInfo<TemplateArgumentListInfo>( | |||
730 | const TemplateArgumentListInfo &From, TemplateArgumentListInfo &Result) { | |||
731 | return ImportTemplateArgumentListInfo( | |||
732 | From.getLAngleLoc(), From.getRAngleLoc(), From.arguments(), Result); | |||
733 | } | |||
734 | ||||
735 | template <> | |||
736 | Error ASTNodeImporter::ImportTemplateArgumentListInfo< | |||
737 | ASTTemplateArgumentListInfo>( | |||
738 | const ASTTemplateArgumentListInfo &From, | |||
739 | TemplateArgumentListInfo &Result) { | |||
740 | return ImportTemplateArgumentListInfo( | |||
741 | From.LAngleLoc, From.RAngleLoc, From.arguments(), Result); | |||
742 | } | |||
743 | ||||
744 | Expected<ASTNodeImporter::FunctionTemplateAndArgsTy> | |||
745 | ASTNodeImporter::ImportFunctionTemplateWithTemplateArgsFromSpecialization( | |||
746 | FunctionDecl *FromFD) { | |||
747 | assert(FromFD->getTemplatedKind() ==((void)0) | |||
748 | FunctionDecl::TK_FunctionTemplateSpecialization)((void)0); | |||
749 | ||||
750 | FunctionTemplateAndArgsTy Result; | |||
751 | ||||
752 | auto *FTSInfo = FromFD->getTemplateSpecializationInfo(); | |||
753 | if (Error Err = importInto(std::get<0>(Result), FTSInfo->getTemplate())) | |||
754 | return std::move(Err); | |||
755 | ||||
756 | // Import template arguments. | |||
757 | auto TemplArgs = FTSInfo->TemplateArguments->asArray(); | |||
758 | if (Error Err = ImportTemplateArguments(TemplArgs.data(), TemplArgs.size(), | |||
759 | std::get<1>(Result))) | |||
760 | return std::move(Err); | |||
761 | ||||
762 | return Result; | |||
763 | } | |||
764 | ||||
765 | template <> | |||
766 | Expected<TemplateParameterList *> | |||
767 | ASTNodeImporter::import(TemplateParameterList *From) { | |||
768 | SmallVector<NamedDecl *, 4> To(From->size()); | |||
769 | if (Error Err = ImportContainerChecked(*From, To)) | |||
770 | return std::move(Err); | |||
771 | ||||
772 | ExpectedExpr ToRequiresClause = import(From->getRequiresClause()); | |||
773 | if (!ToRequiresClause) | |||
774 | return ToRequiresClause.takeError(); | |||
775 | ||||
776 | auto ToTemplateLocOrErr = import(From->getTemplateLoc()); | |||
777 | if (!ToTemplateLocOrErr) | |||
778 | return ToTemplateLocOrErr.takeError(); | |||
779 | auto ToLAngleLocOrErr = import(From->getLAngleLoc()); | |||
780 | if (!ToLAngleLocOrErr) | |||
781 | return ToLAngleLocOrErr.takeError(); | |||
782 | auto ToRAngleLocOrErr = import(From->getRAngleLoc()); | |||
783 | if (!ToRAngleLocOrErr) | |||
784 | return ToRAngleLocOrErr.takeError(); | |||
785 | ||||
786 | return TemplateParameterList::Create( | |||
787 | Importer.getToContext(), | |||
788 | *ToTemplateLocOrErr, | |||
789 | *ToLAngleLocOrErr, | |||
790 | To, | |||
791 | *ToRAngleLocOrErr, | |||
792 | *ToRequiresClause); | |||
793 | } | |||
794 | ||||
795 | template <> | |||
796 | Expected<TemplateArgument> | |||
797 | ASTNodeImporter::import(const TemplateArgument &From) { | |||
798 | switch (From.getKind()) { | |||
799 | case TemplateArgument::Null: | |||
800 | return TemplateArgument(); | |||
801 | ||||
802 | case TemplateArgument::Type: { | |||
803 | ExpectedType ToTypeOrErr = import(From.getAsType()); | |||
804 | if (!ToTypeOrErr) | |||
805 | return ToTypeOrErr.takeError(); | |||
806 | return TemplateArgument(*ToTypeOrErr); | |||
807 | } | |||
808 | ||||
809 | case TemplateArgument::Integral: { | |||
810 | ExpectedType ToTypeOrErr = import(From.getIntegralType()); | |||
811 | if (!ToTypeOrErr) | |||
812 | return ToTypeOrErr.takeError(); | |||
813 | return TemplateArgument(From, *ToTypeOrErr); | |||
814 | } | |||
815 | ||||
816 | case TemplateArgument::Declaration: { | |||
817 | Expected<ValueDecl *> ToOrErr = import(From.getAsDecl()); | |||
818 | if (!ToOrErr) | |||
819 | return ToOrErr.takeError(); | |||
820 | ExpectedType ToTypeOrErr = import(From.getParamTypeForDecl()); | |||
821 | if (!ToTypeOrErr) | |||
822 | return ToTypeOrErr.takeError(); | |||
823 | return TemplateArgument(*ToOrErr, *ToTypeOrErr); | |||
824 | } | |||
825 | ||||
826 | case TemplateArgument::NullPtr: { | |||
827 | ExpectedType ToTypeOrErr = import(From.getNullPtrType()); | |||
828 | if (!ToTypeOrErr) | |||
829 | return ToTypeOrErr.takeError(); | |||
830 | return TemplateArgument(*ToTypeOrErr, /*isNullPtr*/true); | |||
831 | } | |||
832 | ||||
833 | case TemplateArgument::Template: { | |||
834 | Expected<TemplateName> ToTemplateOrErr = import(From.getAsTemplate()); | |||
835 | if (!ToTemplateOrErr) | |||
836 | return ToTemplateOrErr.takeError(); | |||
837 | ||||
838 | return TemplateArgument(*ToTemplateOrErr); | |||
839 | } | |||
840 | ||||
841 | case TemplateArgument::TemplateExpansion: { | |||
842 | Expected<TemplateName> ToTemplateOrErr = | |||
843 | import(From.getAsTemplateOrTemplatePattern()); | |||
844 | if (!ToTemplateOrErr) | |||
845 | return ToTemplateOrErr.takeError(); | |||
846 | ||||
847 | return TemplateArgument( | |||
848 | *ToTemplateOrErr, From.getNumTemplateExpansions()); | |||
849 | } | |||
850 | ||||
851 | case TemplateArgument::Expression: | |||
852 | if (ExpectedExpr ToExpr = import(From.getAsExpr())) | |||
853 | return TemplateArgument(*ToExpr); | |||
854 | else | |||
855 | return ToExpr.takeError(); | |||
856 | ||||
857 | case TemplateArgument::Pack: { | |||
858 | SmallVector<TemplateArgument, 2> ToPack; | |||
859 | ToPack.reserve(From.pack_size()); | |||
860 | if (Error Err = ImportTemplateArguments( | |||
861 | From.pack_begin(), From.pack_size(), ToPack)) | |||
862 | return std::move(Err); | |||
863 | ||||
864 | return TemplateArgument( | |||
865 | llvm::makeArrayRef(ToPack).copy(Importer.getToContext())); | |||
866 | } | |||
867 | } | |||
868 | ||||
869 | llvm_unreachable("Invalid template argument kind")__builtin_unreachable(); | |||
870 | } | |||
871 | ||||
872 | template <> | |||
873 | Expected<TemplateArgumentLoc> | |||
874 | ASTNodeImporter::import(const TemplateArgumentLoc &TALoc) { | |||
875 | Expected<TemplateArgument> ArgOrErr = import(TALoc.getArgument()); | |||
876 | if (!ArgOrErr) | |||
877 | return ArgOrErr.takeError(); | |||
878 | TemplateArgument Arg = *ArgOrErr; | |||
879 | ||||
880 | TemplateArgumentLocInfo FromInfo = TALoc.getLocInfo(); | |||
881 | ||||
882 | TemplateArgumentLocInfo ToInfo; | |||
883 | if (Arg.getKind() == TemplateArgument::Expression) { | |||
884 | ExpectedExpr E = import(FromInfo.getAsExpr()); | |||
885 | if (!E) | |||
886 | return E.takeError(); | |||
887 | ToInfo = TemplateArgumentLocInfo(*E); | |||
888 | } else if (Arg.getKind() == TemplateArgument::Type) { | |||
889 | if (auto TSIOrErr = import(FromInfo.getAsTypeSourceInfo())) | |||
890 | ToInfo = TemplateArgumentLocInfo(*TSIOrErr); | |||
891 | else | |||
892 | return TSIOrErr.takeError(); | |||
893 | } else { | |||
894 | auto ToTemplateQualifierLocOrErr = | |||
895 | import(FromInfo.getTemplateQualifierLoc()); | |||
896 | if (!ToTemplateQualifierLocOrErr) | |||
897 | return ToTemplateQualifierLocOrErr.takeError(); | |||
898 | auto ToTemplateNameLocOrErr = import(FromInfo.getTemplateNameLoc()); | |||
899 | if (!ToTemplateNameLocOrErr) | |||
900 | return ToTemplateNameLocOrErr.takeError(); | |||
901 | auto ToTemplateEllipsisLocOrErr = | |||
902 | import(FromInfo.getTemplateEllipsisLoc()); | |||
903 | if (!ToTemplateEllipsisLocOrErr) | |||
904 | return ToTemplateEllipsisLocOrErr.takeError(); | |||
905 | ToInfo = TemplateArgumentLocInfo( | |||
906 | Importer.getToContext(), *ToTemplateQualifierLocOrErr, | |||
907 | *ToTemplateNameLocOrErr, *ToTemplateEllipsisLocOrErr); | |||
908 | } | |||
909 | ||||
910 | return TemplateArgumentLoc(Arg, ToInfo); | |||
911 | } | |||
912 | ||||
913 | template <> | |||
914 | Expected<DeclGroupRef> ASTNodeImporter::import(const DeclGroupRef &DG) { | |||
915 | if (DG.isNull()) | |||
916 | return DeclGroupRef::Create(Importer.getToContext(), nullptr, 0); | |||
917 | size_t NumDecls = DG.end() - DG.begin(); | |||
918 | SmallVector<Decl *, 1> ToDecls; | |||
919 | ToDecls.reserve(NumDecls); | |||
920 | for (Decl *FromD : DG) { | |||
921 | if (auto ToDOrErr = import(FromD)) | |||
922 | ToDecls.push_back(*ToDOrErr); | |||
923 | else | |||
924 | return ToDOrErr.takeError(); | |||
925 | } | |||
926 | return DeclGroupRef::Create(Importer.getToContext(), | |||
927 | ToDecls.begin(), | |||
928 | NumDecls); | |||
929 | } | |||
930 | ||||
931 | template <> | |||
932 | Expected<ASTNodeImporter::Designator> | |||
933 | ASTNodeImporter::import(const Designator &D) { | |||
934 | if (D.isFieldDesignator()) { | |||
935 | IdentifierInfo *ToFieldName = Importer.Import(D.getFieldName()); | |||
936 | ||||
937 | ExpectedSLoc ToDotLocOrErr = import(D.getDotLoc()); | |||
938 | if (!ToDotLocOrErr) | |||
939 | return ToDotLocOrErr.takeError(); | |||
940 | ||||
941 | ExpectedSLoc ToFieldLocOrErr = import(D.getFieldLoc()); | |||
942 | if (!ToFieldLocOrErr) | |||
943 | return ToFieldLocOrErr.takeError(); | |||
944 | ||||
945 | return Designator(ToFieldName, *ToDotLocOrErr, *ToFieldLocOrErr); | |||
946 | } | |||
947 | ||||
948 | ExpectedSLoc ToLBracketLocOrErr = import(D.getLBracketLoc()); | |||
949 | if (!ToLBracketLocOrErr) | |||
950 | return ToLBracketLocOrErr.takeError(); | |||
951 | ||||
952 | ExpectedSLoc ToRBracketLocOrErr = import(D.getRBracketLoc()); | |||
953 | if (!ToRBracketLocOrErr) | |||
954 | return ToRBracketLocOrErr.takeError(); | |||
955 | ||||
956 | if (D.isArrayDesignator()) | |||
957 | return Designator(D.getFirstExprIndex(), | |||
958 | *ToLBracketLocOrErr, *ToRBracketLocOrErr); | |||
959 | ||||
960 | ExpectedSLoc ToEllipsisLocOrErr = import(D.getEllipsisLoc()); | |||
961 | if (!ToEllipsisLocOrErr) | |||
962 | return ToEllipsisLocOrErr.takeError(); | |||
963 | ||||
964 | assert(D.isArrayRangeDesignator())((void)0); | |||
965 | return Designator( | |||
966 | D.getFirstExprIndex(), *ToLBracketLocOrErr, *ToEllipsisLocOrErr, | |||
967 | *ToRBracketLocOrErr); | |||
968 | } | |||
969 | ||||
970 | template <> | |||
971 | Expected<LambdaCapture> ASTNodeImporter::import(const LambdaCapture &From) { | |||
972 | VarDecl *Var = nullptr; | |||
973 | if (From.capturesVariable()) { | |||
974 | if (auto VarOrErr = import(From.getCapturedVar())) | |||
975 | Var = *VarOrErr; | |||
976 | else | |||
977 | return VarOrErr.takeError(); | |||
978 | } | |||
979 | ||||
980 | auto LocationOrErr = import(From.getLocation()); | |||
981 | if (!LocationOrErr) | |||
982 | return LocationOrErr.takeError(); | |||
983 | ||||
984 | SourceLocation EllipsisLoc; | |||
985 | if (From.isPackExpansion()) | |||
986 | if (Error Err = importInto(EllipsisLoc, From.getEllipsisLoc())) | |||
987 | return std::move(Err); | |||
988 | ||||
989 | return LambdaCapture( | |||
990 | *LocationOrErr, From.isImplicit(), From.getCaptureKind(), Var, | |||
991 | EllipsisLoc); | |||
992 | } | |||
993 | ||||
994 | template <typename T> | |||
995 | bool ASTNodeImporter::hasSameVisibilityContextAndLinkage(T *Found, T *From) { | |||
996 | if (Found->getLinkageInternal() != From->getLinkageInternal()) | |||
997 | return false; | |||
998 | ||||
999 | if (From->hasExternalFormalLinkage()) | |||
1000 | return Found->hasExternalFormalLinkage(); | |||
1001 | if (Importer.GetFromTU(Found) != From->getTranslationUnitDecl()) | |||
1002 | return false; | |||
1003 | if (From->isInAnonymousNamespace()) | |||
1004 | return Found->isInAnonymousNamespace(); | |||
1005 | else | |||
1006 | return !Found->isInAnonymousNamespace() && | |||
1007 | !Found->hasExternalFormalLinkage(); | |||
1008 | } | |||
1009 | ||||
1010 | template <> | |||
1011 | bool ASTNodeImporter::hasSameVisibilityContextAndLinkage(TypedefNameDecl *Found, | |||
1012 | TypedefNameDecl *From) { | |||
1013 | if (Found->getLinkageInternal() != From->getLinkageInternal()) | |||
1014 | return false; | |||
1015 | ||||
1016 | if (From->isInAnonymousNamespace() && Found->isInAnonymousNamespace()) | |||
1017 | return Importer.GetFromTU(Found) == From->getTranslationUnitDecl(); | |||
1018 | return From->isInAnonymousNamespace() == Found->isInAnonymousNamespace(); | |||
1019 | } | |||
1020 | ||||
1021 | } // namespace clang | |||
1022 | ||||
1023 | //---------------------------------------------------------------------------- | |||
1024 | // Import Types | |||
1025 | //---------------------------------------------------------------------------- | |||
1026 | ||||
1027 | using namespace clang; | |||
1028 | ||||
1029 | ExpectedType ASTNodeImporter::VisitType(const Type *T) { | |||
1030 | Importer.FromDiag(SourceLocation(), diag::err_unsupported_ast_node) | |||
1031 | << T->getTypeClassName(); | |||
1032 | return make_error<ImportError>(ImportError::UnsupportedConstruct); | |||
1033 | } | |||
1034 | ||||
1035 | ExpectedType ASTNodeImporter::VisitAtomicType(const AtomicType *T){ | |||
1036 | ExpectedType UnderlyingTypeOrErr = import(T->getValueType()); | |||
1037 | if (!UnderlyingTypeOrErr) | |||
1038 | return UnderlyingTypeOrErr.takeError(); | |||
1039 | ||||
1040 | return Importer.getToContext().getAtomicType(*UnderlyingTypeOrErr); | |||
1041 | } | |||
1042 | ||||
1043 | ExpectedType ASTNodeImporter::VisitBuiltinType(const BuiltinType *T) { | |||
1044 | switch (T->getKind()) { | |||
1045 | #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \ | |||
1046 | case BuiltinType::Id: \ | |||
1047 | return Importer.getToContext().SingletonId; | |||
1048 | #include "clang/Basic/OpenCLImageTypes.def" | |||
1049 | #define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \ | |||
1050 | case BuiltinType::Id: \ | |||
1051 | return Importer.getToContext().Id##Ty; | |||
1052 | #include "clang/Basic/OpenCLExtensionTypes.def" | |||
1053 | #define SVE_TYPE(Name, Id, SingletonId) \ | |||
1054 | case BuiltinType::Id: \ | |||
1055 | return Importer.getToContext().SingletonId; | |||
1056 | #include "clang/Basic/AArch64SVEACLETypes.def" | |||
1057 | #define PPC_VECTOR_TYPE(Name, Id, Size) \ | |||
1058 | case BuiltinType::Id: \ | |||
1059 | return Importer.getToContext().Id##Ty; | |||
1060 | #include "clang/Basic/PPCTypes.def" | |||
1061 | #define RVV_TYPE(Name, Id, SingletonId) \ | |||
1062 | case BuiltinType::Id: \ | |||
1063 | return Importer.getToContext().SingletonId; | |||
1064 | #include "clang/Basic/RISCVVTypes.def" | |||
1065 | #define SHARED_SINGLETON_TYPE(Expansion) | |||
1066 | #define BUILTIN_TYPE(Id, SingletonId) \ | |||
1067 | case BuiltinType::Id: return Importer.getToContext().SingletonId; | |||
1068 | #include "clang/AST/BuiltinTypes.def" | |||
1069 | ||||
1070 | // FIXME: for Char16, Char32, and NullPtr, make sure that the "to" | |||
1071 | // context supports C++. | |||
1072 | ||||
1073 | // FIXME: for ObjCId, ObjCClass, and ObjCSel, make sure that the "to" | |||
1074 | // context supports ObjC. | |||
1075 | ||||
1076 | case BuiltinType::Char_U: | |||
1077 | // The context we're importing from has an unsigned 'char'. If we're | |||
1078 | // importing into a context with a signed 'char', translate to | |||
1079 | // 'unsigned char' instead. | |||
1080 | if (Importer.getToContext().getLangOpts().CharIsSigned) | |||
1081 | return Importer.getToContext().UnsignedCharTy; | |||
1082 | ||||
1083 | return Importer.getToContext().CharTy; | |||
1084 | ||||
1085 | case BuiltinType::Char_S: | |||
1086 | // The context we're importing from has an unsigned 'char'. If we're | |||
1087 | // importing into a context with a signed 'char', translate to | |||
1088 | // 'unsigned char' instead. | |||
1089 | if (!Importer.getToContext().getLangOpts().CharIsSigned) | |||
1090 | return Importer.getToContext().SignedCharTy; | |||
1091 | ||||
1092 | return Importer.getToContext().CharTy; | |||
1093 | ||||
1094 | case BuiltinType::WChar_S: | |||
1095 | case BuiltinType::WChar_U: | |||
1096 | // FIXME: If not in C++, shall we translate to the C equivalent of | |||
1097 | // wchar_t? | |||
1098 | return Importer.getToContext().WCharTy; | |||
1099 | } | |||
1100 | ||||
1101 | llvm_unreachable("Invalid BuiltinType Kind!")__builtin_unreachable(); | |||
1102 | } | |||
1103 | ||||
1104 | ExpectedType ASTNodeImporter::VisitDecayedType(const DecayedType *T) { | |||
1105 | ExpectedType ToOriginalTypeOrErr = import(T->getOriginalType()); | |||
1106 | if (!ToOriginalTypeOrErr) | |||
1107 | return ToOriginalTypeOrErr.takeError(); | |||
1108 | ||||
1109 | return Importer.getToContext().getDecayedType(*ToOriginalTypeOrErr); | |||
1110 | } | |||
1111 | ||||
1112 | ExpectedType ASTNodeImporter::VisitComplexType(const ComplexType *T) { | |||
1113 | ExpectedType ToElementTypeOrErr = import(T->getElementType()); | |||
1114 | if (!ToElementTypeOrErr) | |||
1115 | return ToElementTypeOrErr.takeError(); | |||
1116 | ||||
1117 | return Importer.getToContext().getComplexType(*ToElementTypeOrErr); | |||
1118 | } | |||
1119 | ||||
1120 | ExpectedType ASTNodeImporter::VisitPointerType(const PointerType *T) { | |||
1121 | ExpectedType ToPointeeTypeOrErr = import(T->getPointeeType()); | |||
1122 | if (!ToPointeeTypeOrErr) | |||
1123 | return ToPointeeTypeOrErr.takeError(); | |||
1124 | ||||
1125 | return Importer.getToContext().getPointerType(*ToPointeeTypeOrErr); | |||
1126 | } | |||
1127 | ||||
1128 | ExpectedType ASTNodeImporter::VisitBlockPointerType(const BlockPointerType *T) { | |||
1129 | // FIXME: Check for blocks support in "to" context. | |||
1130 | ExpectedType ToPointeeTypeOrErr = import(T->getPointeeType()); | |||
1131 | if (!ToPointeeTypeOrErr) | |||
1132 | return ToPointeeTypeOrErr.takeError(); | |||
1133 | ||||
1134 | return Importer.getToContext().getBlockPointerType(*ToPointeeTypeOrErr); | |||
1135 | } | |||
1136 | ||||
1137 | ExpectedType | |||
1138 | ASTNodeImporter::VisitLValueReferenceType(const LValueReferenceType *T) { | |||
1139 | // FIXME: Check for C++ support in "to" context. | |||
1140 | ExpectedType ToPointeeTypeOrErr = import(T->getPointeeTypeAsWritten()); | |||
1141 | if (!ToPointeeTypeOrErr) | |||
1142 | return ToPointeeTypeOrErr.takeError(); | |||
1143 | ||||
1144 | return Importer.getToContext().getLValueReferenceType(*ToPointeeTypeOrErr); | |||
1145 | } | |||
1146 | ||||
1147 | ExpectedType | |||
1148 | ASTNodeImporter::VisitRValueReferenceType(const RValueReferenceType *T) { | |||
1149 | // FIXME: Check for C++0x support in "to" context. | |||
1150 | ExpectedType ToPointeeTypeOrErr = import(T->getPointeeTypeAsWritten()); | |||
1151 | if (!ToPointeeTypeOrErr) | |||
1152 | return ToPointeeTypeOrErr.takeError(); | |||
1153 | ||||
1154 | return Importer.getToContext().getRValueReferenceType(*ToPointeeTypeOrErr); | |||
1155 | } | |||
1156 | ||||
1157 | ExpectedType | |||
1158 | ASTNodeImporter::VisitMemberPointerType(const MemberPointerType *T) { | |||
1159 | // FIXME: Check for C++ support in "to" context. | |||
1160 | ExpectedType ToPointeeTypeOrErr = import(T->getPointeeType()); | |||
1161 | if (!ToPointeeTypeOrErr) | |||
1162 | return ToPointeeTypeOrErr.takeError(); | |||
1163 | ||||
1164 | ExpectedType ClassTypeOrErr = import(QualType(T->getClass(), 0)); | |||
1165 | if (!ClassTypeOrErr) | |||
1166 | return ClassTypeOrErr.takeError(); | |||
1167 | ||||
1168 | return Importer.getToContext().getMemberPointerType( | |||
1169 | *ToPointeeTypeOrErr, (*ClassTypeOrErr).getTypePtr()); | |||
1170 | } | |||
1171 | ||||
1172 | ExpectedType | |||
1173 | ASTNodeImporter::VisitConstantArrayType(const ConstantArrayType *T) { | |||
1174 | Error Err = Error::success(); | |||
1175 | auto ToElementType = importChecked(Err, T->getElementType()); | |||
1176 | auto ToSizeExpr = importChecked(Err, T->getSizeExpr()); | |||
1177 | if (Err) | |||
1178 | return std::move(Err); | |||
1179 | ||||
1180 | return Importer.getToContext().getConstantArrayType( | |||
1181 | ToElementType, T->getSize(), ToSizeExpr, T->getSizeModifier(), | |||
1182 | T->getIndexTypeCVRQualifiers()); | |||
1183 | } | |||
1184 | ||||
1185 | ExpectedType | |||
1186 | ASTNodeImporter::VisitIncompleteArrayType(const IncompleteArrayType *T) { | |||
1187 | ExpectedType ToElementTypeOrErr = import(T->getElementType()); | |||
1188 | if (!ToElementTypeOrErr) | |||
1189 | return ToElementTypeOrErr.takeError(); | |||
1190 | ||||
1191 | return Importer.getToContext().getIncompleteArrayType(*ToElementTypeOrErr, | |||
1192 | T->getSizeModifier(), | |||
1193 | T->getIndexTypeCVRQualifiers()); | |||
1194 | } | |||
1195 | ||||
1196 | ExpectedType | |||
1197 | ASTNodeImporter::VisitVariableArrayType(const VariableArrayType *T) { | |||
1198 | Error Err = Error::success(); | |||
1199 | QualType ToElementType = importChecked(Err, T->getElementType()); | |||
1200 | Expr *ToSizeExpr = importChecked(Err, T->getSizeExpr()); | |||
1201 | SourceRange ToBracketsRange = importChecked(Err, T->getBracketsRange()); | |||
1202 | if (Err) | |||
1203 | return std::move(Err); | |||
1204 | return Importer.getToContext().getVariableArrayType( | |||
1205 | ToElementType, ToSizeExpr, T->getSizeModifier(), | |||
1206 | T->getIndexTypeCVRQualifiers(), ToBracketsRange); | |||
1207 | } | |||
1208 | ||||
1209 | ExpectedType ASTNodeImporter::VisitDependentSizedArrayType( | |||
1210 | const DependentSizedArrayType *T) { | |||
1211 | Error Err = Error::success(); | |||
1212 | QualType ToElementType = importChecked(Err, T->getElementType()); | |||
1213 | Expr *ToSizeExpr = importChecked(Err, T->getSizeExpr()); | |||
1214 | SourceRange ToBracketsRange = importChecked(Err, T->getBracketsRange()); | |||
1215 | if (Err) | |||
1216 | return std::move(Err); | |||
1217 | // SizeExpr may be null if size is not specified directly. | |||
1218 | // For example, 'int a[]'. | |||
1219 | ||||
1220 | return Importer.getToContext().getDependentSizedArrayType( | |||
1221 | ToElementType, ToSizeExpr, T->getSizeModifier(), | |||
1222 | T->getIndexTypeCVRQualifiers(), ToBracketsRange); | |||
1223 | } | |||
1224 | ||||
1225 | ExpectedType ASTNodeImporter::VisitVectorType(const VectorType *T) { | |||
1226 | ExpectedType ToElementTypeOrErr = import(T->getElementType()); | |||
1227 | if (!ToElementTypeOrErr) | |||
1228 | return ToElementTypeOrErr.takeError(); | |||
1229 | ||||
1230 | return Importer.getToContext().getVectorType(*ToElementTypeOrErr, | |||
1231 | T->getNumElements(), | |||
1232 | T->getVectorKind()); | |||
1233 | } | |||
1234 | ||||
1235 | ExpectedType ASTNodeImporter::VisitExtVectorType(const ExtVectorType *T) { | |||
1236 | ExpectedType ToElementTypeOrErr = import(T->getElementType()); | |||
1237 | if (!ToElementTypeOrErr) | |||
1238 | return ToElementTypeOrErr.takeError(); | |||
1239 | ||||
1240 | return Importer.getToContext().getExtVectorType(*ToElementTypeOrErr, | |||
1241 | T->getNumElements()); | |||
1242 | } | |||
1243 | ||||
1244 | ExpectedType | |||
1245 | ASTNodeImporter::VisitFunctionNoProtoType(const FunctionNoProtoType *T) { | |||
1246 | // FIXME: What happens if we're importing a function without a prototype | |||
1247 | // into C++? Should we make it variadic? | |||
1248 | ExpectedType ToReturnTypeOrErr = import(T->getReturnType()); | |||
1249 | if (!ToReturnTypeOrErr) | |||
1250 | return ToReturnTypeOrErr.takeError(); | |||
1251 | ||||
1252 | return Importer.getToContext().getFunctionNoProtoType(*ToReturnTypeOrErr, | |||
1253 | T->getExtInfo()); | |||
1254 | } | |||
1255 | ||||
1256 | ExpectedType | |||
1257 | ASTNodeImporter::VisitFunctionProtoType(const FunctionProtoType *T) { | |||
1258 | ExpectedType ToReturnTypeOrErr = import(T->getReturnType()); | |||
1259 | if (!ToReturnTypeOrErr) | |||
1260 | return ToReturnTypeOrErr.takeError(); | |||
1261 | ||||
1262 | // Import argument types | |||
1263 | SmallVector<QualType, 4> ArgTypes; | |||
1264 | for (const auto &A : T->param_types()) { | |||
1265 | ExpectedType TyOrErr = import(A); | |||
1266 | if (!TyOrErr) | |||
1267 | return TyOrErr.takeError(); | |||
1268 | ArgTypes.push_back(*TyOrErr); | |||
1269 | } | |||
1270 | ||||
1271 | // Import exception types | |||
1272 | SmallVector<QualType, 4> ExceptionTypes; | |||
1273 | for (const auto &E : T->exceptions()) { | |||
1274 | ExpectedType TyOrErr = import(E); | |||
1275 | if (!TyOrErr) | |||
1276 | return TyOrErr.takeError(); | |||
1277 | ExceptionTypes.push_back(*TyOrErr); | |||
1278 | } | |||
1279 | ||||
1280 | FunctionProtoType::ExtProtoInfo FromEPI = T->getExtProtoInfo(); | |||
1281 | Error Err = Error::success(); | |||
1282 | FunctionProtoType::ExtProtoInfo ToEPI; | |||
1283 | ToEPI.ExtInfo = FromEPI.ExtInfo; | |||
1284 | ToEPI.Variadic = FromEPI.Variadic; | |||
1285 | ToEPI.HasTrailingReturn = FromEPI.HasTrailingReturn; | |||
1286 | ToEPI.TypeQuals = FromEPI.TypeQuals; | |||
1287 | ToEPI.RefQualifier = FromEPI.RefQualifier; | |||
1288 | ToEPI.ExceptionSpec.Type = FromEPI.ExceptionSpec.Type; | |||
1289 | ToEPI.ExceptionSpec.NoexceptExpr = | |||
1290 | importChecked(Err, FromEPI.ExceptionSpec.NoexceptExpr); | |||
1291 | ToEPI.ExceptionSpec.SourceDecl = | |||
1292 | importChecked(Err, FromEPI.ExceptionSpec.SourceDecl); | |||
1293 | ToEPI.ExceptionSpec.SourceTemplate = | |||
1294 | importChecked(Err, FromEPI.ExceptionSpec.SourceTemplate); | |||
1295 | ToEPI.ExceptionSpec.Exceptions = ExceptionTypes; | |||
1296 | ||||
1297 | if (Err) | |||
1298 | return std::move(Err); | |||
1299 | ||||
1300 | return Importer.getToContext().getFunctionType( | |||
1301 | *ToReturnTypeOrErr, ArgTypes, ToEPI); | |||
1302 | } | |||
1303 | ||||
1304 | ExpectedType ASTNodeImporter::VisitUnresolvedUsingType( | |||
1305 | const UnresolvedUsingType *T) { | |||
1306 | Error Err = Error::success(); | |||
1307 | auto ToD = importChecked(Err, T->getDecl()); | |||
1308 | auto ToPrevD = importChecked(Err, T->getDecl()->getPreviousDecl()); | |||
1309 | if (Err) | |||
1310 | return std::move(Err); | |||
1311 | ||||
1312 | return Importer.getToContext().getTypeDeclType( | |||
1313 | ToD, cast_or_null<TypeDecl>(ToPrevD)); | |||
1314 | } | |||
1315 | ||||
1316 | ExpectedType ASTNodeImporter::VisitParenType(const ParenType *T) { | |||
1317 | ExpectedType ToInnerTypeOrErr = import(T->getInnerType()); | |||
1318 | if (!ToInnerTypeOrErr) | |||
1319 | return ToInnerTypeOrErr.takeError(); | |||
1320 | ||||
1321 | return Importer.getToContext().getParenType(*ToInnerTypeOrErr); | |||
1322 | } | |||
1323 | ||||
1324 | ExpectedType ASTNodeImporter::VisitTypedefType(const TypedefType *T) { | |||
1325 | Expected<TypedefNameDecl *> ToDeclOrErr = import(T->getDecl()); | |||
1326 | if (!ToDeclOrErr) | |||
1327 | return ToDeclOrErr.takeError(); | |||
1328 | ||||
1329 | return Importer.getToContext().getTypeDeclType(*ToDeclOrErr); | |||
1330 | } | |||
1331 | ||||
1332 | ExpectedType ASTNodeImporter::VisitTypeOfExprType(const TypeOfExprType *T) { | |||
1333 | ExpectedExpr ToExprOrErr = import(T->getUnderlyingExpr()); | |||
1334 | if (!ToExprOrErr) | |||
1335 | return ToExprOrErr.takeError(); | |||
1336 | ||||
1337 | return Importer.getToContext().getTypeOfExprType(*ToExprOrErr); | |||
1338 | } | |||
1339 | ||||
1340 | ExpectedType ASTNodeImporter::VisitTypeOfType(const TypeOfType *T) { | |||
1341 | ExpectedType ToUnderlyingTypeOrErr = import(T->getUnderlyingType()); | |||
1342 | if (!ToUnderlyingTypeOrErr) | |||
1343 | return ToUnderlyingTypeOrErr.takeError(); | |||
1344 | ||||
1345 | return Importer.getToContext().getTypeOfType(*ToUnderlyingTypeOrErr); | |||
1346 | } | |||
1347 | ||||
1348 | ExpectedType ASTNodeImporter::VisitDecltypeType(const DecltypeType *T) { | |||
1349 | // FIXME: Make sure that the "to" context supports C++0x! | |||
1350 | ExpectedExpr ToExprOrErr = import(T->getUnderlyingExpr()); | |||
1351 | if (!ToExprOrErr) | |||
1352 | return ToExprOrErr.takeError(); | |||
1353 | ||||
1354 | ExpectedType ToUnderlyingTypeOrErr = import(T->getUnderlyingType()); | |||
1355 | if (!ToUnderlyingTypeOrErr) | |||
1356 | return ToUnderlyingTypeOrErr.takeError(); | |||
1357 | ||||
1358 | return Importer.getToContext().getDecltypeType( | |||
1359 | *ToExprOrErr, *ToUnderlyingTypeOrErr); | |||
1360 | } | |||
1361 | ||||
1362 | ExpectedType | |||
1363 | ASTNodeImporter::VisitUnaryTransformType(const UnaryTransformType *T) { | |||
1364 | ExpectedType ToBaseTypeOrErr = import(T->getBaseType()); | |||
1365 | if (!ToBaseTypeOrErr) | |||
1366 | return ToBaseTypeOrErr.takeError(); | |||
1367 | ||||
1368 | ExpectedType ToUnderlyingTypeOrErr = import(T->getUnderlyingType()); | |||
1369 | if (!ToUnderlyingTypeOrErr) | |||
1370 | return ToUnderlyingTypeOrErr.takeError(); | |||
1371 | ||||
1372 | return Importer.getToContext().getUnaryTransformType( | |||
1373 | *ToBaseTypeOrErr, *ToUnderlyingTypeOrErr, T->getUTTKind()); | |||
1374 | } | |||
1375 | ||||
1376 | ExpectedType ASTNodeImporter::VisitAutoType(const AutoType *T) { | |||
1377 | // FIXME: Make sure that the "to" context supports C++11! | |||
1378 | ExpectedType ToDeducedTypeOrErr = import(T->getDeducedType()); | |||
1379 | if (!ToDeducedTypeOrErr) | |||
1380 | return ToDeducedTypeOrErr.takeError(); | |||
1381 | ||||
1382 | ExpectedDecl ToTypeConstraintConcept = import(T->getTypeConstraintConcept()); | |||
1383 | if (!ToTypeConstraintConcept) | |||
1384 | return ToTypeConstraintConcept.takeError(); | |||
1385 | ||||
1386 | SmallVector<TemplateArgument, 2> ToTemplateArgs; | |||
1387 | ArrayRef<TemplateArgument> FromTemplateArgs = T->getTypeConstraintArguments(); | |||
1388 | if (Error Err = ImportTemplateArguments(FromTemplateArgs.data(), | |||
1389 | FromTemplateArgs.size(), | |||
1390 | ToTemplateArgs)) | |||
1391 | return std::move(Err); | |||
1392 | ||||
1393 | return Importer.getToContext().getAutoType( | |||
1394 | *ToDeducedTypeOrErr, T->getKeyword(), /*IsDependent*/false, | |||
1395 | /*IsPack=*/false, cast_or_null<ConceptDecl>(*ToTypeConstraintConcept), | |||
1396 | ToTemplateArgs); | |||
1397 | } | |||
1398 | ||||
1399 | ExpectedType ASTNodeImporter::VisitDeducedTemplateSpecializationType( | |||
1400 | const DeducedTemplateSpecializationType *T) { | |||
1401 | // FIXME: Make sure that the "to" context supports C++17! | |||
1402 | Expected<TemplateName> ToTemplateNameOrErr = import(T->getTemplateName()); | |||
1403 | if (!ToTemplateNameOrErr) | |||
1404 | return ToTemplateNameOrErr.takeError(); | |||
1405 | ExpectedType ToDeducedTypeOrErr = import(T->getDeducedType()); | |||
1406 | if (!ToDeducedTypeOrErr) | |||
1407 | return ToDeducedTypeOrErr.takeError(); | |||
1408 | ||||
1409 | return Importer.getToContext().getDeducedTemplateSpecializationType( | |||
1410 | *ToTemplateNameOrErr, *ToDeducedTypeOrErr, T->isDependentType()); | |||
1411 | } | |||
1412 | ||||
1413 | ExpectedType ASTNodeImporter::VisitInjectedClassNameType( | |||
1414 | const InjectedClassNameType *T) { | |||
1415 | Expected<CXXRecordDecl *> ToDeclOrErr = import(T->getDecl()); | |||
1416 | if (!ToDeclOrErr) | |||
1417 | return ToDeclOrErr.takeError(); | |||
1418 | ||||
1419 | ExpectedType ToInjTypeOrErr = import(T->getInjectedSpecializationType()); | |||
1420 | if (!ToInjTypeOrErr) | |||
1421 | return ToInjTypeOrErr.takeError(); | |||
1422 | ||||
1423 | // FIXME: ASTContext::getInjectedClassNameType is not suitable for AST reading | |||
1424 | // See comments in InjectedClassNameType definition for details | |||
1425 | // return Importer.getToContext().getInjectedClassNameType(D, InjType); | |||
1426 | enum { | |||
1427 | TypeAlignmentInBits = 4, | |||
1428 | TypeAlignment = 1 << TypeAlignmentInBits | |||
1429 | }; | |||
1430 | ||||
1431 | return QualType(new (Importer.getToContext(), TypeAlignment) | |||
1432 | InjectedClassNameType(*ToDeclOrErr, *ToInjTypeOrErr), 0); | |||
1433 | } | |||
1434 | ||||
1435 | ExpectedType ASTNodeImporter::VisitRecordType(const RecordType *T) { | |||
1436 | Expected<RecordDecl *> ToDeclOrErr = import(T->getDecl()); | |||
1437 | if (!ToDeclOrErr) | |||
1438 | return ToDeclOrErr.takeError(); | |||
1439 | ||||
1440 | return Importer.getToContext().getTagDeclType(*ToDeclOrErr); | |||
1441 | } | |||
1442 | ||||
1443 | ExpectedType ASTNodeImporter::VisitEnumType(const EnumType *T) { | |||
1444 | Expected<EnumDecl *> ToDeclOrErr = import(T->getDecl()); | |||
1445 | if (!ToDeclOrErr) | |||
1446 | return ToDeclOrErr.takeError(); | |||
1447 | ||||
1448 | return Importer.getToContext().getTagDeclType(*ToDeclOrErr); | |||
1449 | } | |||
1450 | ||||
1451 | ExpectedType ASTNodeImporter::VisitAttributedType(const AttributedType *T) { | |||
1452 | ExpectedType ToModifiedTypeOrErr = import(T->getModifiedType()); | |||
1453 | if (!ToModifiedTypeOrErr) | |||
1454 | return ToModifiedTypeOrErr.takeError(); | |||
1455 | ExpectedType ToEquivalentTypeOrErr = import(T->getEquivalentType()); | |||
1456 | if (!ToEquivalentTypeOrErr) | |||
1457 | return ToEquivalentTypeOrErr.takeError(); | |||
1458 | ||||
1459 | return Importer.getToContext().getAttributedType(T->getAttrKind(), | |||
1460 | *ToModifiedTypeOrErr, *ToEquivalentTypeOrErr); | |||
1461 | } | |||
1462 | ||||
1463 | ExpectedType ASTNodeImporter::VisitTemplateTypeParmType( | |||
1464 | const TemplateTypeParmType *T) { | |||
1465 | Expected<TemplateTypeParmDecl *> ToDeclOrErr = import(T->getDecl()); | |||
1466 | if (!ToDeclOrErr) | |||
1467 | return ToDeclOrErr.takeError(); | |||
1468 | ||||
1469 | return Importer.getToContext().getTemplateTypeParmType( | |||
1470 | T->getDepth(), T->getIndex(), T->isParameterPack(), *ToDeclOrErr); | |||
1471 | } | |||
1472 | ||||
1473 | ExpectedType ASTNodeImporter::VisitSubstTemplateTypeParmType( | |||
1474 | const SubstTemplateTypeParmType *T) { | |||
1475 | ExpectedType ReplacedOrErr = import(QualType(T->getReplacedParameter(), 0)); | |||
1476 | if (!ReplacedOrErr) | |||
1477 | return ReplacedOrErr.takeError(); | |||
1478 | const TemplateTypeParmType *Replaced = | |||
1479 | cast<TemplateTypeParmType>((*ReplacedOrErr).getTypePtr()); | |||
1480 | ||||
1481 | ExpectedType ToReplacementTypeOrErr = import(T->getReplacementType()); | |||
1482 | if (!ToReplacementTypeOrErr) | |||
1483 | return ToReplacementTypeOrErr.takeError(); | |||
1484 | ||||
1485 | return Importer.getToContext().getSubstTemplateTypeParmType( | |||
1486 | Replaced, (*ToReplacementTypeOrErr).getCanonicalType()); | |||
1487 | } | |||
1488 | ||||
1489 | ExpectedType ASTNodeImporter::VisitTemplateSpecializationType( | |||
1490 | const TemplateSpecializationType *T) { | |||
1491 | auto ToTemplateOrErr = import(T->getTemplateName()); | |||
1492 | if (!ToTemplateOrErr) | |||
1493 | return ToTemplateOrErr.takeError(); | |||
1494 | ||||
1495 | SmallVector<TemplateArgument, 2> ToTemplateArgs; | |||
1496 | if (Error Err = ImportTemplateArguments( | |||
1497 | T->getArgs(), T->getNumArgs(), ToTemplateArgs)) | |||
1498 | return std::move(Err); | |||
1499 | ||||
1500 | QualType ToCanonType; | |||
1501 | if (!QualType(T, 0).isCanonical()) { | |||
1502 | QualType FromCanonType | |||
1503 | = Importer.getFromContext().getCanonicalType(QualType(T, 0)); | |||
1504 | if (ExpectedType TyOrErr = import(FromCanonType)) | |||
1505 | ToCanonType = *TyOrErr; | |||
1506 | else | |||
1507 | return TyOrErr.takeError(); | |||
1508 | } | |||
1509 | return Importer.getToContext().getTemplateSpecializationType(*ToTemplateOrErr, | |||
1510 | ToTemplateArgs, | |||
1511 | ToCanonType); | |||
1512 | } | |||
1513 | ||||
1514 | ExpectedType ASTNodeImporter::VisitElaboratedType(const ElaboratedType *T) { | |||
1515 | // Note: the qualifier in an ElaboratedType is optional. | |||
1516 | auto ToQualifierOrErr = import(T->getQualifier()); | |||
1517 | if (!ToQualifierOrErr) | |||
1518 | return ToQualifierOrErr.takeError(); | |||
1519 | ||||
1520 | ExpectedType ToNamedTypeOrErr = import(T->getNamedType()); | |||
1521 | if (!ToNamedTypeOrErr) | |||
1522 | return ToNamedTypeOrErr.takeError(); | |||
1523 | ||||
1524 | Expected<TagDecl *> ToOwnedTagDeclOrErr = import(T->getOwnedTagDecl()); | |||
1525 | if (!ToOwnedTagDeclOrErr) | |||
1526 | return ToOwnedTagDeclOrErr.takeError(); | |||
1527 | ||||
1528 | return Importer.getToContext().getElaboratedType(T->getKeyword(), | |||
1529 | *ToQualifierOrErr, | |||
1530 | *ToNamedTypeOrErr, | |||
1531 | *ToOwnedTagDeclOrErr); | |||
1532 | } | |||
1533 | ||||
1534 | ExpectedType | |||
1535 | ASTNodeImporter::VisitPackExpansionType(const PackExpansionType *T) { | |||
1536 | ExpectedType ToPatternOrErr = import(T->getPattern()); | |||
1537 | if (!ToPatternOrErr) | |||
1538 | return ToPatternOrErr.takeError(); | |||
1539 | ||||
1540 | return Importer.getToContext().getPackExpansionType(*ToPatternOrErr, | |||
1541 | T->getNumExpansions(), | |||
1542 | /*ExpactPack=*/false); | |||
1543 | } | |||
1544 | ||||
1545 | ExpectedType ASTNodeImporter::VisitDependentTemplateSpecializationType( | |||
1546 | const DependentTemplateSpecializationType *T) { | |||
1547 | auto ToQualifierOrErr = import(T->getQualifier()); | |||
1548 | if (!ToQualifierOrErr) | |||
1549 | return ToQualifierOrErr.takeError(); | |||
1550 | ||||
1551 | IdentifierInfo *ToName = Importer.Import(T->getIdentifier()); | |||
1552 | ||||
1553 | SmallVector<TemplateArgument, 2> ToPack; | |||
1554 | ToPack.reserve(T->getNumArgs()); | |||
1555 | if (Error Err = ImportTemplateArguments( | |||
1556 | T->getArgs(), T->getNumArgs(), ToPack)) | |||
1557 | return std::move(Err); | |||
1558 | ||||
1559 | return Importer.getToContext().getDependentTemplateSpecializationType( | |||
1560 | T->getKeyword(), *ToQualifierOrErr, ToName, ToPack); | |||
1561 | } | |||
1562 | ||||
1563 | ExpectedType | |||
1564 | ASTNodeImporter::VisitDependentNameType(const DependentNameType *T) { | |||
1565 | auto ToQualifierOrErr = import(T->getQualifier()); | |||
1566 | if (!ToQualifierOrErr) | |||
1567 | return ToQualifierOrErr.takeError(); | |||
1568 | ||||
1569 | IdentifierInfo *Name = Importer.Import(T->getIdentifier()); | |||
1570 | ||||
1571 | QualType Canon; | |||
1572 | if (T != T->getCanonicalTypeInternal().getTypePtr()) { | |||
1573 | if (ExpectedType TyOrErr = import(T->getCanonicalTypeInternal())) | |||
1574 | Canon = (*TyOrErr).getCanonicalType(); | |||
1575 | else | |||
1576 | return TyOrErr.takeError(); | |||
1577 | } | |||
1578 | ||||
1579 | return Importer.getToContext().getDependentNameType(T->getKeyword(), | |||
1580 | *ToQualifierOrErr, | |||
1581 | Name, Canon); | |||
1582 | } | |||
1583 | ||||
1584 | ExpectedType | |||
1585 | ASTNodeImporter::VisitObjCInterfaceType(const ObjCInterfaceType *T) { | |||
1586 | Expected<ObjCInterfaceDecl *> ToDeclOrErr = import(T->getDecl()); | |||
1587 | if (!ToDeclOrErr) | |||
1588 | return ToDeclOrErr.takeError(); | |||
1589 | ||||
1590 | return Importer.getToContext().getObjCInterfaceType(*ToDeclOrErr); | |||
1591 | } | |||
1592 | ||||
1593 | ExpectedType ASTNodeImporter::VisitObjCObjectType(const ObjCObjectType *T) { | |||
1594 | ExpectedType ToBaseTypeOrErr = import(T->getBaseType()); | |||
1595 | if (!ToBaseTypeOrErr) | |||
1596 | return ToBaseTypeOrErr.takeError(); | |||
1597 | ||||
1598 | SmallVector<QualType, 4> TypeArgs; | |||
1599 | for (auto TypeArg : T->getTypeArgsAsWritten()) { | |||
1600 | if (ExpectedType TyOrErr = import(TypeArg)) | |||
1601 | TypeArgs.push_back(*TyOrErr); | |||
1602 | else | |||
1603 | return TyOrErr.takeError(); | |||
1604 | } | |||
1605 | ||||
1606 | SmallVector<ObjCProtocolDecl *, 4> Protocols; | |||
1607 | for (auto *P : T->quals()) { | |||
1608 | if (Expected<ObjCProtocolDecl *> ProtocolOrErr = import(P)) | |||
1609 | Protocols.push_back(*ProtocolOrErr); | |||
1610 | else | |||
1611 | return ProtocolOrErr.takeError(); | |||
1612 | ||||
1613 | } | |||
1614 | ||||
1615 | return Importer.getToContext().getObjCObjectType(*ToBaseTypeOrErr, TypeArgs, | |||
1616 | Protocols, | |||
1617 | T->isKindOfTypeAsWritten()); | |||
1618 | } | |||
1619 | ||||
1620 | ExpectedType | |||
1621 | ASTNodeImporter::VisitObjCObjectPointerType(const ObjCObjectPointerType *T) { | |||
1622 | ExpectedType ToPointeeTypeOrErr = import(T->getPointeeType()); | |||
1623 | if (!ToPointeeTypeOrErr) | |||
1624 | return ToPointeeTypeOrErr.takeError(); | |||
1625 | ||||
1626 | return Importer.getToContext().getObjCObjectPointerType(*ToPointeeTypeOrErr); | |||
1627 | } | |||
1628 | ||||
1629 | //---------------------------------------------------------------------------- | |||
1630 | // Import Declarations | |||
1631 | //---------------------------------------------------------------------------- | |||
1632 | Error ASTNodeImporter::ImportDeclParts( | |||
1633 | NamedDecl *D, DeclContext *&DC, DeclContext *&LexicalDC, | |||
1634 | DeclarationName &Name, NamedDecl *&ToD, SourceLocation &Loc) { | |||
1635 | // Check if RecordDecl is in FunctionDecl parameters to avoid infinite loop. | |||
1636 | // example: int struct_in_proto(struct data_t{int a;int b;} *d); | |||
1637 | // FIXME: We could support these constructs by importing a different type of | |||
1638 | // this parameter and by importing the original type of the parameter only | |||
1639 | // after the FunctionDecl is created. See | |||
1640 | // VisitFunctionDecl::UsedDifferentProtoType. | |||
1641 | DeclContext *OrigDC = D->getDeclContext(); | |||
1642 | FunctionDecl *FunDecl; | |||
1643 | if (isa<RecordDecl>(D) && (FunDecl = dyn_cast<FunctionDecl>(OrigDC)) && | |||
1644 | FunDecl->hasBody()) { | |||
1645 | auto getLeafPointeeType = [](const Type *T) { | |||
1646 | while (T->isPointerType() || T->isArrayType()) { | |||
1647 | T = T->getPointeeOrArrayElementType(); | |||
1648 | } | |||
1649 | return T; | |||
1650 | }; | |||
1651 | for (const ParmVarDecl *P : FunDecl->parameters()) { | |||
1652 | const Type *LeafT = | |||
1653 | getLeafPointeeType(P->getType().getCanonicalType().getTypePtr()); | |||
1654 | auto *RT = dyn_cast<RecordType>(LeafT); | |||
1655 | if (RT && RT->getDecl() == D) { | |||
1656 | Importer.FromDiag(D->getLocation(), diag::err_unsupported_ast_node) | |||
1657 | << D->getDeclKindName(); | |||
1658 | return make_error<ImportError>(ImportError::UnsupportedConstruct); | |||
1659 | } | |||
1660 | } | |||
1661 | } | |||
1662 | ||||
1663 | // Import the context of this declaration. | |||
1664 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | |||
1665 | return Err; | |||
1666 | ||||
1667 | // Import the name of this declaration. | |||
1668 | if (Error Err = importInto(Name, D->getDeclName())) | |||
1669 | return Err; | |||
1670 | ||||
1671 | // Import the location of this declaration. | |||
1672 | if (Error Err = importInto(Loc, D->getLocation())) | |||
1673 | return Err; | |||
1674 | ||||
1675 | ToD = cast_or_null<NamedDecl>(Importer.GetAlreadyImportedOrNull(D)); | |||
1676 | if (ToD) | |||
1677 | if (Error Err = ASTNodeImporter(*this).ImportDefinitionIfNeeded(D, ToD)) | |||
1678 | return Err; | |||
1679 | ||||
1680 | return Error::success(); | |||
1681 | } | |||
1682 | ||||
1683 | Error ASTNodeImporter::ImportDeclParts(NamedDecl *D, DeclarationName &Name, | |||
1684 | NamedDecl *&ToD, SourceLocation &Loc) { | |||
1685 | ||||
1686 | // Import the name of this declaration. | |||
1687 | if (Error Err = importInto(Name, D->getDeclName())) | |||
1688 | return Err; | |||
1689 | ||||
1690 | // Import the location of this declaration. | |||
1691 | if (Error Err = importInto(Loc, D->getLocation())) | |||
1692 | return Err; | |||
1693 | ||||
1694 | ToD = cast_or_null<NamedDecl>(Importer.GetAlreadyImportedOrNull(D)); | |||
1695 | if (ToD) | |||
1696 | if (Error Err = ASTNodeImporter(*this).ImportDefinitionIfNeeded(D, ToD)) | |||
1697 | return Err; | |||
1698 | ||||
1699 | return Error::success(); | |||
1700 | } | |||
1701 | ||||
1702 | Error ASTNodeImporter::ImportDefinitionIfNeeded(Decl *FromD, Decl *ToD) { | |||
1703 | if (!FromD) | |||
1704 | return Error::success(); | |||
1705 | ||||
1706 | if (!ToD) | |||
1707 | if (Error Err = importInto(ToD, FromD)) | |||
1708 | return Err; | |||
1709 | ||||
1710 | if (RecordDecl *FromRecord = dyn_cast<RecordDecl>(FromD)) { | |||
1711 | if (RecordDecl *ToRecord = cast<RecordDecl>(ToD)) { | |||
1712 | if (FromRecord->getDefinition() && FromRecord->isCompleteDefinition() && | |||
1713 | !ToRecord->getDefinition()) { | |||
1714 | if (Error Err = ImportDefinition(FromRecord, ToRecord)) | |||
1715 | return Err; | |||
1716 | } | |||
1717 | } | |||
1718 | return Error::success(); | |||
1719 | } | |||
1720 | ||||
1721 | if (EnumDecl *FromEnum = dyn_cast<EnumDecl>(FromD)) { | |||
1722 | if (EnumDecl *ToEnum = cast<EnumDecl>(ToD)) { | |||
1723 | if (FromEnum->getDefinition() && !ToEnum->getDefinition()) { | |||
1724 | if (Error Err = ImportDefinition(FromEnum, ToEnum)) | |||
1725 | return Err; | |||
1726 | } | |||
1727 | } | |||
1728 | return Error::success(); | |||
1729 | } | |||
1730 | ||||
1731 | return Error::success(); | |||
1732 | } | |||
1733 | ||||
1734 | Error | |||
1735 | ASTNodeImporter::ImportDeclarationNameLoc( | |||
1736 | const DeclarationNameInfo &From, DeclarationNameInfo& To) { | |||
1737 | // NOTE: To.Name and To.Loc are already imported. | |||
1738 | // We only have to import To.LocInfo. | |||
1739 | switch (To.getName().getNameKind()) { | |||
1740 | case DeclarationName::Identifier: | |||
1741 | case DeclarationName::ObjCZeroArgSelector: | |||
1742 | case DeclarationName::ObjCOneArgSelector: | |||
1743 | case DeclarationName::ObjCMultiArgSelector: | |||
1744 | case DeclarationName::CXXUsingDirective: | |||
1745 | case DeclarationName::CXXDeductionGuideName: | |||
1746 | return Error::success(); | |||
1747 | ||||
1748 | case DeclarationName::CXXOperatorName: { | |||
1749 | if (auto ToRangeOrErr = import(From.getCXXOperatorNameRange())) | |||
1750 | To.setCXXOperatorNameRange(*ToRangeOrErr); | |||
1751 | else | |||
1752 | return ToRangeOrErr.takeError(); | |||
1753 | return Error::success(); | |||
1754 | } | |||
1755 | case DeclarationName::CXXLiteralOperatorName: { | |||
1756 | if (ExpectedSLoc LocOrErr = import(From.getCXXLiteralOperatorNameLoc())) | |||
1757 | To.setCXXLiteralOperatorNameLoc(*LocOrErr); | |||
1758 | else | |||
1759 | return LocOrErr.takeError(); | |||
1760 | return Error::success(); | |||
1761 | } | |||
1762 | case DeclarationName::CXXConstructorName: | |||
1763 | case DeclarationName::CXXDestructorName: | |||
1764 | case DeclarationName::CXXConversionFunctionName: { | |||
1765 | if (auto ToTInfoOrErr = import(From.getNamedTypeInfo())) | |||
1766 | To.setNamedTypeInfo(*ToTInfoOrErr); | |||
1767 | else | |||
1768 | return ToTInfoOrErr.takeError(); | |||
1769 | return Error::success(); | |||
1770 | } | |||
1771 | } | |||
1772 | llvm_unreachable("Unknown name kind.")__builtin_unreachable(); | |||
1773 | } | |||
1774 | ||||
1775 | Error | |||
1776 | ASTNodeImporter::ImportDeclContext(DeclContext *FromDC, bool ForceImport) { | |||
1777 | if (Importer.isMinimalImport() && !ForceImport) { | |||
1778 | auto ToDCOrErr = Importer.ImportContext(FromDC); | |||
1779 | return ToDCOrErr.takeError(); | |||
1780 | } | |||
1781 | ||||
1782 | // We use strict error handling in case of records and enums, but not | |||
1783 | // with e.g. namespaces. | |||
1784 | // | |||
1785 | // FIXME Clients of the ASTImporter should be able to choose an | |||
1786 | // appropriate error handling strategy for their needs. For instance, | |||
1787 | // they may not want to mark an entire namespace as erroneous merely | |||
1788 | // because there is an ODR error with two typedefs. As another example, | |||
1789 | // the client may allow EnumConstantDecls with same names but with | |||
1790 | // different values in two distinct translation units. | |||
1791 | bool AccumulateChildErrors = isa<TagDecl>(FromDC); | |||
1792 | ||||
1793 | Error ChildErrors = Error::success(); | |||
1794 | for (auto *From : FromDC->decls()) { | |||
1795 | ExpectedDecl ImportedOrErr = import(From); | |||
1796 | ||||
1797 | // If we are in the process of ImportDefinition(...) for a RecordDecl we | |||
1798 | // want to make sure that we are also completing each FieldDecl. There | |||
1799 | // are currently cases where this does not happen and this is correctness | |||
1800 | // fix since operations such as code generation will expect this to be so. | |||
1801 | if (ImportedOrErr) { | |||
1802 | FieldDecl *FieldFrom = dyn_cast_or_null<FieldDecl>(From); | |||
1803 | Decl *ImportedDecl = *ImportedOrErr; | |||
1804 | FieldDecl *FieldTo = dyn_cast_or_null<FieldDecl>(ImportedDecl); | |||
1805 | if (FieldFrom && FieldTo) { | |||
1806 | RecordDecl *FromRecordDecl = nullptr; | |||
1807 | RecordDecl *ToRecordDecl = nullptr; | |||
1808 | // If we have a field that is an ArrayType we need to check if the array | |||
1809 | // element is a RecordDecl and if so we need to import the defintion. | |||
1810 | if (FieldFrom->getType()->isArrayType()) { | |||
1811 | // getBaseElementTypeUnsafe(...) handles multi-dimensonal arrays for us. | |||
1812 | FromRecordDecl = FieldFrom->getType()->getBaseElementTypeUnsafe()->getAsRecordDecl(); | |||
1813 | ToRecordDecl = FieldTo->getType()->getBaseElementTypeUnsafe()->getAsRecordDecl(); | |||
1814 | } | |||
1815 | ||||
1816 | if (!FromRecordDecl || !ToRecordDecl) { | |||
1817 | const RecordType *RecordFrom = | |||
1818 | FieldFrom->getType()->getAs<RecordType>(); | |||
1819 | const RecordType *RecordTo = FieldTo->getType()->getAs<RecordType>(); | |||
1820 | ||||
1821 | if (RecordFrom && RecordTo) { | |||
1822 | FromRecordDecl = RecordFrom->getDecl(); | |||
1823 | ToRecordDecl = RecordTo->getDecl(); | |||
1824 | } | |||
1825 | } | |||
1826 | ||||
1827 | if (FromRecordDecl && ToRecordDecl) { | |||
1828 | if (FromRecordDecl->isCompleteDefinition() && | |||
1829 | !ToRecordDecl->isCompleteDefinition()) { | |||
1830 | Error Err = ImportDefinition(FromRecordDecl, ToRecordDecl); | |||
1831 | ||||
1832 | if (Err && AccumulateChildErrors) | |||
1833 | ChildErrors = joinErrors(std::move(ChildErrors), std::move(Err)); | |||
1834 | else | |||
1835 | consumeError(std::move(Err)); | |||
1836 | } | |||
1837 | } | |||
1838 | } | |||
1839 | } else { | |||
1840 | if (AccumulateChildErrors) | |||
1841 | ChildErrors = | |||
1842 | joinErrors(std::move(ChildErrors), ImportedOrErr.takeError()); | |||
1843 | else | |||
1844 | consumeError(ImportedOrErr.takeError()); | |||
1845 | } | |||
1846 | } | |||
1847 | ||||
1848 | // We reorder declarations in RecordDecls because they may have another order | |||
1849 | // in the "to" context than they have in the "from" context. This may happen | |||
1850 | // e.g when we import a class like this: | |||
1851 | // struct declToImport { | |||
1852 | // int a = c + b; | |||
1853 | // int b = 1; | |||
1854 | // int c = 2; | |||
1855 | // }; | |||
1856 | // During the import of `a` we import first the dependencies in sequence, | |||
1857 | // thus the order would be `c`, `b`, `a`. We will get the normal order by | |||
1858 | // first removing the already imported members and then adding them in the | |||
1859 | // order as they apper in the "from" context. | |||
1860 | // | |||
1861 | // Keeping field order is vital because it determines structure layout. | |||
1862 | // | |||
1863 | // Here and below, we cannot call field_begin() method and its callers on | |||
1864 | // ToDC if it has an external storage. Calling field_begin() will | |||
1865 | // automatically load all the fields by calling | |||
1866 | // LoadFieldsFromExternalStorage(). LoadFieldsFromExternalStorage() would | |||
1867 | // call ASTImporter::Import(). This is because the ExternalASTSource | |||
1868 | // interface in LLDB is implemented by the means of the ASTImporter. However, | |||
1869 | // calling an import at this point would result in an uncontrolled import, we | |||
1870 | // must avoid that. | |||
1871 | const auto *FromRD = dyn_cast<RecordDecl>(FromDC); | |||
1872 | if (!FromRD) | |||
1873 | return ChildErrors; | |||
1874 | ||||
1875 | auto ToDCOrErr = Importer.ImportContext(FromDC); | |||
1876 | if (!ToDCOrErr) { | |||
1877 | consumeError(std::move(ChildErrors)); | |||
1878 | return ToDCOrErr.takeError(); | |||
1879 | } | |||
1880 | ||||
1881 | DeclContext *ToDC = *ToDCOrErr; | |||
1882 | // Remove all declarations, which may be in wrong order in the | |||
1883 | // lexical DeclContext and then add them in the proper order. | |||
1884 | for (auto *D : FromRD->decls()) { | |||
1885 | if (isa<FieldDecl>(D) || isa<IndirectFieldDecl>(D) || isa<FriendDecl>(D)) { | |||
1886 | assert(D && "DC contains a null decl")((void)0); | |||
1887 | Decl *ToD = Importer.GetAlreadyImportedOrNull(D); | |||
1888 | // Remove only the decls which we successfully imported. | |||
1889 | if (ToD) { | |||
1890 | assert(ToDC == ToD->getLexicalDeclContext() && ToDC->containsDecl(ToD))((void)0); | |||
1891 | // Remove the decl from its wrong place in the linked list. | |||
1892 | ToDC->removeDecl(ToD); | |||
1893 | // Add the decl to the end of the linked list. | |||
1894 | // This time it will be at the proper place because the enclosing for | |||
1895 | // loop iterates in the original (good) order of the decls. | |||
1896 | ToDC->addDeclInternal(ToD); | |||
1897 | } | |||
1898 | } | |||
1899 | } | |||
1900 | ||||
1901 | return ChildErrors; | |||
1902 | } | |||
1903 | ||||
1904 | Error ASTNodeImporter::ImportDeclContext( | |||
1905 | Decl *FromD, DeclContext *&ToDC, DeclContext *&ToLexicalDC) { | |||
1906 | auto ToDCOrErr = Importer.ImportContext(FromD->getDeclContext()); | |||
1907 | if (!ToDCOrErr) | |||
1908 | return ToDCOrErr.takeError(); | |||
1909 | ToDC = *ToDCOrErr; | |||
1910 | ||||
1911 | if (FromD->getDeclContext() != FromD->getLexicalDeclContext()) { | |||
1912 | auto ToLexicalDCOrErr = Importer.ImportContext( | |||
1913 | FromD->getLexicalDeclContext()); | |||
1914 | if (!ToLexicalDCOrErr) | |||
1915 | return ToLexicalDCOrErr.takeError(); | |||
1916 | ToLexicalDC = *ToLexicalDCOrErr; | |||
1917 | } else | |||
1918 | ToLexicalDC = ToDC; | |||
1919 | ||||
1920 | return Error::success(); | |||
1921 | } | |||
1922 | ||||
1923 | Error ASTNodeImporter::ImportImplicitMethods( | |||
1924 | const CXXRecordDecl *From, CXXRecordDecl *To) { | |||
1925 | assert(From->isCompleteDefinition() && To->getDefinition() == To &&((void)0) | |||
1926 | "Import implicit methods to or from non-definition")((void)0); | |||
1927 | ||||
1928 | for (CXXMethodDecl *FromM : From->methods()) | |||
1929 | if (FromM->isImplicit()) { | |||
1930 | Expected<CXXMethodDecl *> ToMOrErr = import(FromM); | |||
1931 | if (!ToMOrErr) | |||
1932 | return ToMOrErr.takeError(); | |||
1933 | } | |||
1934 | ||||
1935 | return Error::success(); | |||
1936 | } | |||
1937 | ||||
1938 | static Error setTypedefNameForAnonDecl(TagDecl *From, TagDecl *To, | |||
1939 | ASTImporter &Importer) { | |||
1940 | if (TypedefNameDecl *FromTypedef = From->getTypedefNameForAnonDecl()) { | |||
1941 | if (ExpectedDecl ToTypedefOrErr = Importer.Import(FromTypedef)) | |||
1942 | To->setTypedefNameForAnonDecl(cast<TypedefNameDecl>(*ToTypedefOrErr)); | |||
1943 | else | |||
1944 | return ToTypedefOrErr.takeError(); | |||
1945 | } | |||
1946 | return Error::success(); | |||
1947 | } | |||
1948 | ||||
1949 | Error ASTNodeImporter::ImportDefinition( | |||
1950 | RecordDecl *From, RecordDecl *To, ImportDefinitionKind Kind) { | |||
1951 | auto DefinitionCompleter = [To]() { | |||
1952 | // There are cases in LLDB when we first import a class without its | |||
1953 | // members. The class will have DefinitionData, but no members. Then, | |||
1954 | // importDefinition is called from LLDB, which tries to get the members, so | |||
1955 | // when we get here, the class already has the DefinitionData set, so we | |||
1956 | // must unset the CompleteDefinition here to be able to complete again the | |||
1957 | // definition. | |||
1958 | To->setCompleteDefinition(false); | |||
1959 | To->completeDefinition(); | |||
1960 | }; | |||
1961 | ||||
1962 | if (To->getDefinition() || To->isBeingDefined()) { | |||
1963 | if (Kind == IDK_Everything || | |||
1964 | // In case of lambdas, the class already has a definition ptr set, but | |||
1965 | // the contained decls are not imported yet. Also, isBeingDefined was | |||
1966 | // set in CXXRecordDecl::CreateLambda. We must import the contained | |||
1967 | // decls here and finish the definition. | |||
1968 | (To->isLambda() && shouldForceImportDeclContext(Kind))) { | |||
1969 | if (To->isLambda()) { | |||
1970 | auto *FromCXXRD = cast<CXXRecordDecl>(From); | |||
1971 | SmallVector<LambdaCapture, 8> ToCaptures; | |||
1972 | ToCaptures.reserve(FromCXXRD->capture_size()); | |||
1973 | for (const auto &FromCapture : FromCXXRD->captures()) { | |||
1974 | if (auto ToCaptureOrErr = import(FromCapture)) | |||
1975 | ToCaptures.push_back(*ToCaptureOrErr); | |||
1976 | else | |||
1977 | return ToCaptureOrErr.takeError(); | |||
1978 | } | |||
1979 | cast<CXXRecordDecl>(To)->setCaptures(Importer.getToContext(), | |||
1980 | ToCaptures); | |||
1981 | } | |||
1982 | ||||
1983 | Error Result = ImportDeclContext(From, /*ForceImport=*/true); | |||
1984 | // Finish the definition of the lambda, set isBeingDefined to false. | |||
1985 | if (To->isLambda()) | |||
1986 | DefinitionCompleter(); | |||
1987 | return Result; | |||
1988 | } | |||
1989 | ||||
1990 | return Error::success(); | |||
1991 | } | |||
1992 | ||||
1993 | To->startDefinition(); | |||
1994 | // Complete the definition even if error is returned. | |||
1995 | // The RecordDecl may be already part of the AST so it is better to | |||
1996 | // have it in complete state even if something is wrong with it. | |||
1997 | auto DefinitionCompleterScopeExit = | |||
1998 | llvm::make_scope_exit(DefinitionCompleter); | |||
1999 | ||||
2000 | if (Error Err = setTypedefNameForAnonDecl(From, To, Importer)) | |||
2001 | return Err; | |||
2002 | ||||
2003 | // Add base classes. | |||
2004 | auto *ToCXX = dyn_cast<CXXRecordDecl>(To); | |||
2005 | auto *FromCXX = dyn_cast<CXXRecordDecl>(From); | |||
2006 | if (ToCXX && FromCXX && ToCXX->dataPtr() && FromCXX->dataPtr()) { | |||
2007 | ||||
2008 | struct CXXRecordDecl::DefinitionData &ToData = ToCXX->data(); | |||
2009 | struct CXXRecordDecl::DefinitionData &FromData = FromCXX->data(); | |||
2010 | ||||
2011 | #define FIELD(Name, Width, Merge) \ | |||
2012 | ToData.Name = FromData.Name; | |||
2013 | #include "clang/AST/CXXRecordDeclDefinitionBits.def" | |||
2014 | ||||
2015 | // Copy over the data stored in RecordDeclBits | |||
2016 | ToCXX->setArgPassingRestrictions(FromCXX->getArgPassingRestrictions()); | |||
2017 | ||||
2018 | SmallVector<CXXBaseSpecifier *, 4> Bases; | |||
2019 | for (const auto &Base1 : FromCXX->bases()) { | |||
2020 | ExpectedType TyOrErr = import(Base1.getType()); | |||
2021 | if (!TyOrErr) | |||
2022 | return TyOrErr.takeError(); | |||
2023 | ||||
2024 | SourceLocation EllipsisLoc; | |||
2025 | if (Base1.isPackExpansion()) { | |||
2026 | if (ExpectedSLoc LocOrErr = import(Base1.getEllipsisLoc())) | |||
2027 | EllipsisLoc = *LocOrErr; | |||
2028 | else | |||
2029 | return LocOrErr.takeError(); | |||
2030 | } | |||
2031 | ||||
2032 | // Ensure that we have a definition for the base. | |||
2033 | if (Error Err = | |||
2034 | ImportDefinitionIfNeeded(Base1.getType()->getAsCXXRecordDecl())) | |||
2035 | return Err; | |||
2036 | ||||
2037 | auto RangeOrErr = import(Base1.getSourceRange()); | |||
2038 | if (!RangeOrErr) | |||
2039 | return RangeOrErr.takeError(); | |||
2040 | ||||
2041 | auto TSIOrErr = import(Base1.getTypeSourceInfo()); | |||
2042 | if (!TSIOrErr) | |||
2043 | return TSIOrErr.takeError(); | |||
2044 | ||||
2045 | Bases.push_back( | |||
2046 | new (Importer.getToContext()) CXXBaseSpecifier( | |||
2047 | *RangeOrErr, | |||
2048 | Base1.isVirtual(), | |||
2049 | Base1.isBaseOfClass(), | |||
2050 | Base1.getAccessSpecifierAsWritten(), | |||
2051 | *TSIOrErr, | |||
2052 | EllipsisLoc)); | |||
2053 | } | |||
2054 | if (!Bases.empty()) | |||
2055 | ToCXX->setBases(Bases.data(), Bases.size()); | |||
2056 | } | |||
2057 | ||||
2058 | if (shouldForceImportDeclContext(Kind)) | |||
2059 | if (Error Err = ImportDeclContext(From, /*ForceImport=*/true)) | |||
2060 | return Err; | |||
2061 | ||||
2062 | return Error::success(); | |||
2063 | } | |||
2064 | ||||
2065 | Error ASTNodeImporter::ImportInitializer(VarDecl *From, VarDecl *To) { | |||
2066 | if (To->getAnyInitializer()) | |||
2067 | return Error::success(); | |||
2068 | ||||
2069 | Expr *FromInit = From->getInit(); | |||
2070 | if (!FromInit) | |||
2071 | return Error::success(); | |||
2072 | ||||
2073 | ExpectedExpr ToInitOrErr = import(FromInit); | |||
2074 | if (!ToInitOrErr) | |||
2075 | return ToInitOrErr.takeError(); | |||
2076 | ||||
2077 | To->setInit(*ToInitOrErr); | |||
2078 | if (EvaluatedStmt *FromEval = From->getEvaluatedStmt()) { | |||
2079 | EvaluatedStmt *ToEval = To->ensureEvaluatedStmt(); | |||
2080 | ToEval->HasConstantInitialization = FromEval->HasConstantInitialization; | |||
2081 | ToEval->HasConstantDestruction = FromEval->HasConstantDestruction; | |||
2082 | // FIXME: Also import the initializer value. | |||
2083 | } | |||
2084 | ||||
2085 | // FIXME: Other bits to merge? | |||
2086 | return Error::success(); | |||
2087 | } | |||
2088 | ||||
2089 | Error ASTNodeImporter::ImportDefinition( | |||
2090 | EnumDecl *From, EnumDecl *To, ImportDefinitionKind Kind) { | |||
2091 | if (To->getDefinition() || To->isBeingDefined()) { | |||
2092 | if (Kind == IDK_Everything) | |||
2093 | return ImportDeclContext(From, /*ForceImport=*/true); | |||
2094 | return Error::success(); | |||
2095 | } | |||
2096 | ||||
2097 | To->startDefinition(); | |||
2098 | ||||
2099 | if (Error Err = setTypedefNameForAnonDecl(From, To, Importer)) | |||
2100 | return Err; | |||
2101 | ||||
2102 | ExpectedType ToTypeOrErr = | |||
2103 | import(Importer.getFromContext().getTypeDeclType(From)); | |||
2104 | if (!ToTypeOrErr) | |||
2105 | return ToTypeOrErr.takeError(); | |||
2106 | ||||
2107 | ExpectedType ToPromotionTypeOrErr = import(From->getPromotionType()); | |||
2108 | if (!ToPromotionTypeOrErr) | |||
2109 | return ToPromotionTypeOrErr.takeError(); | |||
2110 | ||||
2111 | if (shouldForceImportDeclContext(Kind)) | |||
2112 | if (Error Err = ImportDeclContext(From, /*ForceImport=*/true)) | |||
2113 | return Err; | |||
2114 | ||||
2115 | // FIXME: we might need to merge the number of positive or negative bits | |||
2116 | // if the enumerator lists don't match. | |||
2117 | To->completeDefinition(*ToTypeOrErr, *ToPromotionTypeOrErr, | |||
2118 | From->getNumPositiveBits(), | |||
2119 | From->getNumNegativeBits()); | |||
2120 | return Error::success(); | |||
2121 | } | |||
2122 | ||||
2123 | Error ASTNodeImporter::ImportTemplateArguments( | |||
2124 | const TemplateArgument *FromArgs, unsigned NumFromArgs, | |||
2125 | SmallVectorImpl<TemplateArgument> &ToArgs) { | |||
2126 | for (unsigned I = 0; I != NumFromArgs; ++I) { | |||
2127 | if (auto ToOrErr = import(FromArgs[I])) | |||
2128 | ToArgs.push_back(*ToOrErr); | |||
2129 | else | |||
2130 | return ToOrErr.takeError(); | |||
2131 | } | |||
2132 | ||||
2133 | return Error::success(); | |||
2134 | } | |||
2135 | ||||
2136 | // FIXME: Do not forget to remove this and use only 'import'. | |||
2137 | Expected<TemplateArgument> | |||
2138 | ASTNodeImporter::ImportTemplateArgument(const TemplateArgument &From) { | |||
2139 | return import(From); | |||
2140 | } | |||
2141 | ||||
2142 | template <typename InContainerTy> | |||
2143 | Error ASTNodeImporter::ImportTemplateArgumentListInfo( | |||
2144 | const InContainerTy &Container, TemplateArgumentListInfo &ToTAInfo) { | |||
2145 | for (const auto &FromLoc : Container) { | |||
2146 | if (auto ToLocOrErr = import(FromLoc)) | |||
2147 | ToTAInfo.addArgument(*ToLocOrErr); | |||
2148 | else | |||
2149 | return ToLocOrErr.takeError(); | |||
2150 | } | |||
2151 | return Error::success(); | |||
2152 | } | |||
2153 | ||||
2154 | static StructuralEquivalenceKind | |||
2155 | getStructuralEquivalenceKind(const ASTImporter &Importer) { | |||
2156 | return Importer.isMinimalImport() ? StructuralEquivalenceKind::Minimal | |||
2157 | : StructuralEquivalenceKind::Default; | |||
2158 | } | |||
2159 | ||||
2160 | bool ASTNodeImporter::IsStructuralMatch(Decl *From, Decl *To, bool Complain) { | |||
2161 | StructuralEquivalenceContext Ctx( | |||
2162 | Importer.getFromContext(), Importer.getToContext(), | |||
2163 | Importer.getNonEquivalentDecls(), getStructuralEquivalenceKind(Importer), | |||
2164 | false, Complain); | |||
2165 | return Ctx.IsEquivalent(From, To); | |||
2166 | } | |||
2167 | ||||
2168 | bool ASTNodeImporter::IsStructuralMatch(RecordDecl *FromRecord, | |||
2169 | RecordDecl *ToRecord, bool Complain) { | |||
2170 | // Eliminate a potential failure point where we attempt to re-import | |||
2171 | // something we're trying to import while completing ToRecord. | |||
2172 | Decl *ToOrigin = Importer.GetOriginalDecl(ToRecord); | |||
2173 | if (ToOrigin) { | |||
2174 | auto *ToOriginRecord = dyn_cast<RecordDecl>(ToOrigin); | |||
2175 | if (ToOriginRecord) | |||
2176 | ToRecord = ToOriginRecord; | |||
2177 | } | |||
2178 | ||||
2179 | StructuralEquivalenceContext Ctx(Importer.getFromContext(), | |||
2180 | ToRecord->getASTContext(), | |||
2181 | Importer.getNonEquivalentDecls(), | |||
2182 | getStructuralEquivalenceKind(Importer), | |||
2183 | false, Complain); | |||
2184 | return Ctx.IsEquivalent(FromRecord, ToRecord); | |||
2185 | } | |||
2186 | ||||
2187 | bool ASTNodeImporter::IsStructuralMatch(VarDecl *FromVar, VarDecl *ToVar, | |||
2188 | bool Complain) { | |||
2189 | StructuralEquivalenceContext Ctx( | |||
2190 | Importer.getFromContext(), Importer.getToContext(), | |||
2191 | Importer.getNonEquivalentDecls(), getStructuralEquivalenceKind(Importer), | |||
2192 | false, Complain); | |||
2193 | return Ctx.IsEquivalent(FromVar, ToVar); | |||
2194 | } | |||
2195 | ||||
2196 | bool ASTNodeImporter::IsStructuralMatch(EnumDecl *FromEnum, EnumDecl *ToEnum) { | |||
2197 | // Eliminate a potential failure point where we attempt to re-import | |||
2198 | // something we're trying to import while completing ToEnum. | |||
2199 | if (Decl *ToOrigin = Importer.GetOriginalDecl(ToEnum)) | |||
2200 | if (auto *ToOriginEnum = dyn_cast<EnumDecl>(ToOrigin)) | |||
2201 | ToEnum = ToOriginEnum; | |||
2202 | ||||
2203 | StructuralEquivalenceContext Ctx( | |||
2204 | Importer.getFromContext(), Importer.getToContext(), | |||
2205 | Importer.getNonEquivalentDecls(), getStructuralEquivalenceKind(Importer)); | |||
2206 | return Ctx.IsEquivalent(FromEnum, ToEnum); | |||
2207 | } | |||
2208 | ||||
2209 | bool ASTNodeImporter::IsStructuralMatch(FunctionTemplateDecl *From, | |||
2210 | FunctionTemplateDecl *To) { | |||
2211 | StructuralEquivalenceContext Ctx( | |||
2212 | Importer.getFromContext(), Importer.getToContext(), | |||
2213 | Importer.getNonEquivalentDecls(), getStructuralEquivalenceKind(Importer), | |||
2214 | false, false); | |||
2215 | return Ctx.IsEquivalent(From, To); | |||
2216 | } | |||
2217 | ||||
2218 | bool ASTNodeImporter::IsStructuralMatch(FunctionDecl *From, FunctionDecl *To) { | |||
2219 | StructuralEquivalenceContext Ctx( | |||
2220 | Importer.getFromContext(), Importer.getToContext(), | |||
2221 | Importer.getNonEquivalentDecls(), getStructuralEquivalenceKind(Importer), | |||
2222 | false, false); | |||
2223 | return Ctx.IsEquivalent(From, To); | |||
2224 | } | |||
2225 | ||||
2226 | bool ASTNodeImporter::IsStructuralMatch(EnumConstantDecl *FromEC, | |||
2227 | EnumConstantDecl *ToEC) { | |||
2228 | const llvm::APSInt &FromVal = FromEC->getInitVal(); | |||
2229 | const llvm::APSInt &ToVal = ToEC->getInitVal(); | |||
2230 | ||||
2231 | return FromVal.isSigned() == ToVal.isSigned() && | |||
2232 | FromVal.getBitWidth() == ToVal.getBitWidth() && | |||
2233 | FromVal == ToVal; | |||
2234 | } | |||
2235 | ||||
2236 | bool ASTNodeImporter::IsStructuralMatch(ClassTemplateDecl *From, | |||
2237 | ClassTemplateDecl *To) { | |||
2238 | StructuralEquivalenceContext Ctx(Importer.getFromContext(), | |||
2239 | Importer.getToContext(), | |||
2240 | Importer.getNonEquivalentDecls(), | |||
2241 | getStructuralEquivalenceKind(Importer)); | |||
2242 | return Ctx.IsEquivalent(From, To); | |||
2243 | } | |||
2244 | ||||
2245 | bool ASTNodeImporter::IsStructuralMatch(VarTemplateDecl *From, | |||
2246 | VarTemplateDecl *To) { | |||
2247 | StructuralEquivalenceContext Ctx(Importer.getFromContext(), | |||
2248 | Importer.getToContext(), | |||
2249 | Importer.getNonEquivalentDecls(), | |||
2250 | getStructuralEquivalenceKind(Importer)); | |||
2251 | return Ctx.IsEquivalent(From, To); | |||
2252 | } | |||
2253 | ||||
2254 | ExpectedDecl ASTNodeImporter::VisitDecl(Decl *D) { | |||
2255 | Importer.FromDiag(D->getLocation(), diag::err_unsupported_ast_node) | |||
2256 | << D->getDeclKindName(); | |||
2257 | return make_error<ImportError>(ImportError::UnsupportedConstruct); | |||
2258 | } | |||
2259 | ||||
2260 | ExpectedDecl ASTNodeImporter::VisitImportDecl(ImportDecl *D) { | |||
2261 | Importer.FromDiag(D->getLocation(), diag::err_unsupported_ast_node) | |||
2262 | << D->getDeclKindName(); | |||
2263 | return make_error<ImportError>(ImportError::UnsupportedConstruct); | |||
2264 | } | |||
2265 | ||||
2266 | ExpectedDecl ASTNodeImporter::VisitEmptyDecl(EmptyDecl *D) { | |||
2267 | // Import the context of this declaration. | |||
2268 | DeclContext *DC, *LexicalDC; | |||
2269 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | |||
2270 | return std::move(Err); | |||
2271 | ||||
2272 | // Import the location of this declaration. | |||
2273 | ExpectedSLoc LocOrErr = import(D->getLocation()); | |||
2274 | if (!LocOrErr) | |||
2275 | return LocOrErr.takeError(); | |||
2276 | ||||
2277 | EmptyDecl *ToD; | |||
2278 | if (GetImportedOrCreateDecl(ToD, D, Importer.getToContext(), DC, *LocOrErr)) | |||
2279 | return ToD; | |||
2280 | ||||
2281 | ToD->setLexicalDeclContext(LexicalDC); | |||
2282 | LexicalDC->addDeclInternal(ToD); | |||
2283 | return ToD; | |||
2284 | } | |||
2285 | ||||
2286 | ExpectedDecl ASTNodeImporter::VisitTranslationUnitDecl(TranslationUnitDecl *D) { | |||
2287 | TranslationUnitDecl *ToD = | |||
2288 | Importer.getToContext().getTranslationUnitDecl(); | |||
2289 | ||||
2290 | Importer.MapImported(D, ToD); | |||
2291 | ||||
2292 | return ToD; | |||
2293 | } | |||
2294 | ||||
2295 | ExpectedDecl ASTNodeImporter::VisitBindingDecl(BindingDecl *D) { | |||
2296 | DeclContext *DC, *LexicalDC; | |||
2297 | DeclarationName Name; | |||
2298 | SourceLocation Loc; | |||
2299 | NamedDecl *ToND; | |||
2300 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToND, Loc)) | |||
2301 | return std::move(Err); | |||
2302 | if (ToND) | |||
2303 | return ToND; | |||
2304 | ||||
2305 | BindingDecl *ToD; | |||
2306 | if (GetImportedOrCreateDecl(ToD, D, Importer.getToContext(), DC, Loc, | |||
2307 | Name.getAsIdentifierInfo())) | |||
2308 | return ToD; | |||
2309 | ||||
2310 | Error Err = Error::success(); | |||
2311 | QualType ToType = importChecked(Err, D->getType()); | |||
2312 | Expr *ToBinding = importChecked(Err, D->getBinding()); | |||
2313 | ValueDecl *ToDecomposedDecl = importChecked(Err, D->getDecomposedDecl()); | |||
2314 | if (Err) | |||
2315 | return std::move(Err); | |||
2316 | ||||
2317 | ToD->setBinding(ToType, ToBinding); | |||
2318 | ToD->setDecomposedDecl(ToDecomposedDecl); | |||
2319 | addDeclToContexts(D, ToD); | |||
2320 | ||||
2321 | return ToD; | |||
2322 | } | |||
2323 | ||||
2324 | ExpectedDecl ASTNodeImporter::VisitAccessSpecDecl(AccessSpecDecl *D) { | |||
2325 | ExpectedSLoc LocOrErr = import(D->getLocation()); | |||
2326 | if (!LocOrErr) | |||
2327 | return LocOrErr.takeError(); | |||
2328 | auto ColonLocOrErr = import(D->getColonLoc()); | |||
2329 | if (!ColonLocOrErr) | |||
2330 | return ColonLocOrErr.takeError(); | |||
2331 | ||||
2332 | // Import the context of this declaration. | |||
2333 | auto DCOrErr = Importer.ImportContext(D->getDeclContext()); | |||
2334 | if (!DCOrErr) | |||
2335 | return DCOrErr.takeError(); | |||
2336 | DeclContext *DC = *DCOrErr; | |||
2337 | ||||
2338 | AccessSpecDecl *ToD; | |||
2339 | if (GetImportedOrCreateDecl(ToD, D, Importer.getToContext(), D->getAccess(), | |||
2340 | DC, *LocOrErr, *ColonLocOrErr)) | |||
2341 | return ToD; | |||
2342 | ||||
2343 | // Lexical DeclContext and Semantic DeclContext | |||
2344 | // is always the same for the accessSpec. | |||
2345 | ToD->setLexicalDeclContext(DC); | |||
2346 | DC->addDeclInternal(ToD); | |||
2347 | ||||
2348 | return ToD; | |||
2349 | } | |||
2350 | ||||
2351 | ExpectedDecl ASTNodeImporter::VisitStaticAssertDecl(StaticAssertDecl *D) { | |||
2352 | auto DCOrErr = Importer.ImportContext(D->getDeclContext()); | |||
2353 | if (!DCOrErr) | |||
2354 | return DCOrErr.takeError(); | |||
2355 | DeclContext *DC = *DCOrErr; | |||
2356 | DeclContext *LexicalDC = DC; | |||
2357 | ||||
2358 | Error Err = Error::success(); | |||
2359 | auto ToLocation = importChecked(Err, D->getLocation()); | |||
2360 | auto ToRParenLoc = importChecked(Err, D->getRParenLoc()); | |||
2361 | auto ToAssertExpr = importChecked(Err, D->getAssertExpr()); | |||
2362 | auto ToMessage = importChecked(Err, D->getMessage()); | |||
2363 | if (Err) | |||
2364 | return std::move(Err); | |||
2365 | ||||
2366 | StaticAssertDecl *ToD; | |||
2367 | if (GetImportedOrCreateDecl( | |||
2368 | ToD, D, Importer.getToContext(), DC, ToLocation, ToAssertExpr, ToMessage, | |||
2369 | ToRParenLoc, D->isFailed())) | |||
2370 | return ToD; | |||
2371 | ||||
2372 | ToD->setLexicalDeclContext(LexicalDC); | |||
2373 | LexicalDC->addDeclInternal(ToD); | |||
2374 | return ToD; | |||
2375 | } | |||
2376 | ||||
2377 | ExpectedDecl ASTNodeImporter::VisitNamespaceDecl(NamespaceDecl *D) { | |||
2378 | // Import the major distinguishing characteristics of this namespace. | |||
2379 | DeclContext *DC, *LexicalDC; | |||
2380 | DeclarationName Name; | |||
2381 | SourceLocation Loc; | |||
2382 | NamedDecl *ToD; | |||
2383 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
2384 | return std::move(Err); | |||
2385 | if (ToD) | |||
2386 | return ToD; | |||
2387 | ||||
2388 | NamespaceDecl *MergeWithNamespace = nullptr; | |||
2389 | if (!Name) { | |||
2390 | // This is an anonymous namespace. Adopt an existing anonymous | |||
2391 | // namespace if we can. | |||
2392 | // FIXME: Not testable. | |||
2393 | if (auto *TU = dyn_cast<TranslationUnitDecl>(DC)) | |||
2394 | MergeWithNamespace = TU->getAnonymousNamespace(); | |||
2395 | else | |||
2396 | MergeWithNamespace = cast<NamespaceDecl>(DC)->getAnonymousNamespace(); | |||
2397 | } else { | |||
2398 | SmallVector<NamedDecl *, 4> ConflictingDecls; | |||
2399 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
2400 | for (auto *FoundDecl : FoundDecls) { | |||
2401 | if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Namespace)) | |||
2402 | continue; | |||
2403 | ||||
2404 | if (auto *FoundNS = dyn_cast<NamespaceDecl>(FoundDecl)) { | |||
2405 | MergeWithNamespace = FoundNS; | |||
2406 | ConflictingDecls.clear(); | |||
2407 | break; | |||
2408 | } | |||
2409 | ||||
2410 | ConflictingDecls.push_back(FoundDecl); | |||
2411 | } | |||
2412 | ||||
2413 | if (!ConflictingDecls.empty()) { | |||
2414 | ExpectedName NameOrErr = Importer.HandleNameConflict( | |||
2415 | Name, DC, Decl::IDNS_Namespace, ConflictingDecls.data(), | |||
2416 | ConflictingDecls.size()); | |||
2417 | if (NameOrErr) | |||
2418 | Name = NameOrErr.get(); | |||
2419 | else | |||
2420 | return NameOrErr.takeError(); | |||
2421 | } | |||
2422 | } | |||
2423 | ||||
2424 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); | |||
2425 | if (!BeginLocOrErr) | |||
2426 | return BeginLocOrErr.takeError(); | |||
2427 | ExpectedSLoc RBraceLocOrErr = import(D->getRBraceLoc()); | |||
2428 | if (!RBraceLocOrErr) | |||
2429 | return RBraceLocOrErr.takeError(); | |||
2430 | ||||
2431 | // Create the "to" namespace, if needed. | |||
2432 | NamespaceDecl *ToNamespace = MergeWithNamespace; | |||
2433 | if (!ToNamespace) { | |||
2434 | if (GetImportedOrCreateDecl( | |||
2435 | ToNamespace, D, Importer.getToContext(), DC, D->isInline(), | |||
2436 | *BeginLocOrErr, Loc, Name.getAsIdentifierInfo(), | |||
2437 | /*PrevDecl=*/nullptr)) | |||
2438 | return ToNamespace; | |||
2439 | ToNamespace->setRBraceLoc(*RBraceLocOrErr); | |||
2440 | ToNamespace->setLexicalDeclContext(LexicalDC); | |||
2441 | LexicalDC->addDeclInternal(ToNamespace); | |||
2442 | ||||
2443 | // If this is an anonymous namespace, register it as the anonymous | |||
2444 | // namespace within its context. | |||
2445 | if (!Name) { | |||
2446 | if (auto *TU = dyn_cast<TranslationUnitDecl>(DC)) | |||
2447 | TU->setAnonymousNamespace(ToNamespace); | |||
2448 | else | |||
2449 | cast<NamespaceDecl>(DC)->setAnonymousNamespace(ToNamespace); | |||
2450 | } | |||
2451 | } | |||
2452 | Importer.MapImported(D, ToNamespace); | |||
2453 | ||||
2454 | if (Error Err = ImportDeclContext(D)) | |||
2455 | return std::move(Err); | |||
2456 | ||||
2457 | return ToNamespace; | |||
2458 | } | |||
2459 | ||||
2460 | ExpectedDecl ASTNodeImporter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) { | |||
2461 | // Import the major distinguishing characteristics of this namespace. | |||
2462 | DeclContext *DC, *LexicalDC; | |||
2463 | DeclarationName Name; | |||
2464 | SourceLocation Loc; | |||
2465 | NamedDecl *LookupD; | |||
2466 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, LookupD, Loc)) | |||
2467 | return std::move(Err); | |||
2468 | if (LookupD) | |||
2469 | return LookupD; | |||
2470 | ||||
2471 | // NOTE: No conflict resolution is done for namespace aliases now. | |||
2472 | ||||
2473 | Error Err = Error::success(); | |||
2474 | auto ToNamespaceLoc = importChecked(Err, D->getNamespaceLoc()); | |||
2475 | auto ToAliasLoc = importChecked(Err, D->getAliasLoc()); | |||
2476 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | |||
2477 | auto ToTargetNameLoc = importChecked(Err, D->getTargetNameLoc()); | |||
2478 | auto ToNamespace = importChecked(Err, D->getNamespace()); | |||
2479 | if (Err) | |||
2480 | return std::move(Err); | |||
2481 | ||||
2482 | IdentifierInfo *ToIdentifier = Importer.Import(D->getIdentifier()); | |||
2483 | ||||
2484 | NamespaceAliasDecl *ToD; | |||
2485 | if (GetImportedOrCreateDecl( | |||
2486 | ToD, D, Importer.getToContext(), DC, ToNamespaceLoc, ToAliasLoc, | |||
2487 | ToIdentifier, ToQualifierLoc, ToTargetNameLoc, ToNamespace)) | |||
2488 | return ToD; | |||
2489 | ||||
2490 | ToD->setLexicalDeclContext(LexicalDC); | |||
2491 | LexicalDC->addDeclInternal(ToD); | |||
2492 | ||||
2493 | return ToD; | |||
2494 | } | |||
2495 | ||||
2496 | ExpectedDecl | |||
2497 | ASTNodeImporter::VisitTypedefNameDecl(TypedefNameDecl *D, bool IsAlias) { | |||
2498 | // Import the major distinguishing characteristics of this typedef. | |||
2499 | DeclarationName Name; | |||
2500 | SourceLocation Loc; | |||
2501 | NamedDecl *ToD; | |||
2502 | // Do not import the DeclContext, we will import it once the TypedefNameDecl | |||
2503 | // is created. | |||
2504 | if (Error Err = ImportDeclParts(D, Name, ToD, Loc)) | |||
2505 | return std::move(Err); | |||
2506 | if (ToD) | |||
2507 | return ToD; | |||
2508 | ||||
2509 | DeclContext *DC = cast_or_null<DeclContext>( | |||
2510 | Importer.GetAlreadyImportedOrNull(cast<Decl>(D->getDeclContext()))); | |||
2511 | DeclContext *LexicalDC = | |||
2512 | cast_or_null<DeclContext>(Importer.GetAlreadyImportedOrNull( | |||
2513 | cast<Decl>(D->getLexicalDeclContext()))); | |||
2514 | ||||
2515 | // If this typedef is not in block scope, determine whether we've | |||
2516 | // seen a typedef with the same name (that we can merge with) or any | |||
2517 | // other entity by that name (which name lookup could conflict with). | |||
2518 | // Note: Repeated typedefs are not valid in C99: | |||
2519 | // 'typedef int T; typedef int T;' is invalid | |||
2520 | // We do not care about this now. | |||
2521 | if (DC && !DC->isFunctionOrMethod()) { | |||
2522 | SmallVector<NamedDecl *, 4> ConflictingDecls; | |||
2523 | unsigned IDNS = Decl::IDNS_Ordinary; | |||
2524 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
2525 | for (auto *FoundDecl : FoundDecls) { | |||
2526 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | |||
2527 | continue; | |||
2528 | if (auto *FoundTypedef = dyn_cast<TypedefNameDecl>(FoundDecl)) { | |||
2529 | if (!hasSameVisibilityContextAndLinkage(FoundTypedef, D)) | |||
2530 | continue; | |||
2531 | ||||
2532 | QualType FromUT = D->getUnderlyingType(); | |||
2533 | QualType FoundUT = FoundTypedef->getUnderlyingType(); | |||
2534 | if (Importer.IsStructurallyEquivalent(FromUT, FoundUT)) { | |||
2535 | // If the "From" context has a complete underlying type but we | |||
2536 | // already have a complete underlying type then return with that. | |||
2537 | if (!FromUT->isIncompleteType() && !FoundUT->isIncompleteType()) | |||
2538 | return Importer.MapImported(D, FoundTypedef); | |||
2539 | // FIXME Handle redecl chain. When you do that make consistent changes | |||
2540 | // in ASTImporterLookupTable too. | |||
2541 | } else { | |||
2542 | ConflictingDecls.push_back(FoundDecl); | |||
2543 | } | |||
2544 | } | |||
2545 | } | |||
2546 | ||||
2547 | if (!ConflictingDecls.empty()) { | |||
2548 | ExpectedName NameOrErr = Importer.HandleNameConflict( | |||
2549 | Name, DC, IDNS, ConflictingDecls.data(), ConflictingDecls.size()); | |||
2550 | if (NameOrErr) | |||
2551 | Name = NameOrErr.get(); | |||
2552 | else | |||
2553 | return NameOrErr.takeError(); | |||
2554 | } | |||
2555 | } | |||
2556 | ||||
2557 | Error Err = Error::success(); | |||
2558 | auto ToUnderlyingType = importChecked(Err, D->getUnderlyingType()); | |||
2559 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); | |||
2560 | auto ToBeginLoc = importChecked(Err, D->getBeginLoc()); | |||
2561 | if (Err) | |||
2562 | return std::move(Err); | |||
2563 | ||||
2564 | // Create the new typedef node. | |||
2565 | // FIXME: ToUnderlyingType is not used. | |||
2566 | (void)ToUnderlyingType; | |||
2567 | TypedefNameDecl *ToTypedef; | |||
2568 | if (IsAlias) { | |||
2569 | if (GetImportedOrCreateDecl<TypeAliasDecl>( | |||
2570 | ToTypedef, D, Importer.getToContext(), DC, ToBeginLoc, Loc, | |||
2571 | Name.getAsIdentifierInfo(), ToTypeSourceInfo)) | |||
2572 | return ToTypedef; | |||
2573 | } else if (GetImportedOrCreateDecl<TypedefDecl>( | |||
2574 | ToTypedef, D, Importer.getToContext(), DC, ToBeginLoc, Loc, | |||
2575 | Name.getAsIdentifierInfo(), ToTypeSourceInfo)) | |||
2576 | return ToTypedef; | |||
2577 | ||||
2578 | // Import the DeclContext and set it to the Typedef. | |||
2579 | if ((Err = ImportDeclContext(D, DC, LexicalDC))) | |||
2580 | return std::move(Err); | |||
2581 | ToTypedef->setDeclContext(DC); | |||
2582 | ToTypedef->setLexicalDeclContext(LexicalDC); | |||
2583 | // Add to the lookupTable because we could not do that in MapImported. | |||
2584 | Importer.AddToLookupTable(ToTypedef); | |||
2585 | ||||
2586 | ToTypedef->setAccess(D->getAccess()); | |||
2587 | ||||
2588 | // Templated declarations should not appear in DeclContext. | |||
2589 | TypeAliasDecl *FromAlias = IsAlias ? cast<TypeAliasDecl>(D) : nullptr; | |||
2590 | if (!FromAlias || !FromAlias->getDescribedAliasTemplate()) | |||
2591 | LexicalDC->addDeclInternal(ToTypedef); | |||
2592 | ||||
2593 | return ToTypedef; | |||
2594 | } | |||
2595 | ||||
2596 | ExpectedDecl ASTNodeImporter::VisitTypedefDecl(TypedefDecl *D) { | |||
2597 | return VisitTypedefNameDecl(D, /*IsAlias=*/false); | |||
2598 | } | |||
2599 | ||||
2600 | ExpectedDecl ASTNodeImporter::VisitTypeAliasDecl(TypeAliasDecl *D) { | |||
2601 | return VisitTypedefNameDecl(D, /*IsAlias=*/true); | |||
2602 | } | |||
2603 | ||||
2604 | ExpectedDecl | |||
2605 | ASTNodeImporter::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) { | |||
2606 | // Import the major distinguishing characteristics of this typedef. | |||
2607 | DeclContext *DC, *LexicalDC; | |||
2608 | DeclarationName Name; | |||
2609 | SourceLocation Loc; | |||
2610 | NamedDecl *FoundD; | |||
2611 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, FoundD, Loc)) | |||
2612 | return std::move(Err); | |||
2613 | if (FoundD) | |||
2614 | return FoundD; | |||
2615 | ||||
2616 | // If this typedef is not in block scope, determine whether we've | |||
2617 | // seen a typedef with the same name (that we can merge with) or any | |||
2618 | // other entity by that name (which name lookup could conflict with). | |||
2619 | if (!DC->isFunctionOrMethod()) { | |||
2620 | SmallVector<NamedDecl *, 4> ConflictingDecls; | |||
2621 | unsigned IDNS = Decl::IDNS_Ordinary; | |||
2622 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
2623 | for (auto *FoundDecl : FoundDecls) { | |||
2624 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | |||
2625 | continue; | |||
2626 | if (auto *FoundAlias = dyn_cast<TypeAliasTemplateDecl>(FoundDecl)) | |||
2627 | return Importer.MapImported(D, FoundAlias); | |||
2628 | ConflictingDecls.push_back(FoundDecl); | |||
2629 | } | |||
2630 | ||||
2631 | if (!ConflictingDecls.empty()) { | |||
2632 | ExpectedName NameOrErr = Importer.HandleNameConflict( | |||
2633 | Name, DC, IDNS, ConflictingDecls.data(), ConflictingDecls.size()); | |||
2634 | if (NameOrErr) | |||
2635 | Name = NameOrErr.get(); | |||
2636 | else | |||
2637 | return NameOrErr.takeError(); | |||
2638 | } | |||
2639 | } | |||
2640 | ||||
2641 | Error Err = Error::success(); | |||
2642 | auto ToTemplateParameters = importChecked(Err, D->getTemplateParameters()); | |||
2643 | auto ToTemplatedDecl = importChecked(Err, D->getTemplatedDecl()); | |||
2644 | if (Err) | |||
2645 | return std::move(Err); | |||
2646 | ||||
2647 | TypeAliasTemplateDecl *ToAlias; | |||
2648 | if (GetImportedOrCreateDecl(ToAlias, D, Importer.getToContext(), DC, Loc, | |||
2649 | Name, ToTemplateParameters, ToTemplatedDecl)) | |||
2650 | return ToAlias; | |||
2651 | ||||
2652 | ToTemplatedDecl->setDescribedAliasTemplate(ToAlias); | |||
2653 | ||||
2654 | ToAlias->setAccess(D->getAccess()); | |||
2655 | ToAlias->setLexicalDeclContext(LexicalDC); | |||
2656 | LexicalDC->addDeclInternal(ToAlias); | |||
2657 | if (DC != Importer.getToContext().getTranslationUnitDecl()) | |||
2658 | updateLookupTableForTemplateParameters(*ToTemplateParameters); | |||
2659 | return ToAlias; | |||
2660 | } | |||
2661 | ||||
2662 | ExpectedDecl ASTNodeImporter::VisitLabelDecl(LabelDecl *D) { | |||
2663 | // Import the major distinguishing characteristics of this label. | |||
2664 | DeclContext *DC, *LexicalDC; | |||
2665 | DeclarationName Name; | |||
2666 | SourceLocation Loc; | |||
2667 | NamedDecl *ToD; | |||
2668 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
2669 | return std::move(Err); | |||
2670 | if (ToD) | |||
2671 | return ToD; | |||
2672 | ||||
2673 | assert(LexicalDC->isFunctionOrMethod())((void)0); | |||
2674 | ||||
2675 | LabelDecl *ToLabel; | |||
2676 | if (D->isGnuLocal()) { | |||
2677 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); | |||
2678 | if (!BeginLocOrErr) | |||
2679 | return BeginLocOrErr.takeError(); | |||
2680 | if (GetImportedOrCreateDecl(ToLabel, D, Importer.getToContext(), DC, Loc, | |||
2681 | Name.getAsIdentifierInfo(), *BeginLocOrErr)) | |||
2682 | return ToLabel; | |||
2683 | ||||
2684 | } else { | |||
2685 | if (GetImportedOrCreateDecl(ToLabel, D, Importer.getToContext(), DC, Loc, | |||
2686 | Name.getAsIdentifierInfo())) | |||
2687 | return ToLabel; | |||
2688 | ||||
2689 | } | |||
2690 | ||||
2691 | Expected<LabelStmt *> ToStmtOrErr = import(D->getStmt()); | |||
2692 | if (!ToStmtOrErr) | |||
2693 | return ToStmtOrErr.takeError(); | |||
2694 | ||||
2695 | ToLabel->setStmt(*ToStmtOrErr); | |||
2696 | ToLabel->setLexicalDeclContext(LexicalDC); | |||
2697 | LexicalDC->addDeclInternal(ToLabel); | |||
2698 | return ToLabel; | |||
2699 | } | |||
2700 | ||||
2701 | ExpectedDecl ASTNodeImporter::VisitEnumDecl(EnumDecl *D) { | |||
2702 | // Import the major distinguishing characteristics of this enum. | |||
2703 | DeclContext *DC, *LexicalDC; | |||
2704 | DeclarationName Name; | |||
2705 | SourceLocation Loc; | |||
2706 | NamedDecl *ToD; | |||
2707 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
2708 | return std::move(Err); | |||
2709 | if (ToD) | |||
2710 | return ToD; | |||
2711 | ||||
2712 | // Figure out what enum name we're looking for. | |||
2713 | unsigned IDNS = Decl::IDNS_Tag; | |||
2714 | DeclarationName SearchName = Name; | |||
2715 | if (!SearchName && D->getTypedefNameForAnonDecl()) { | |||
2716 | if (Error Err = importInto( | |||
2717 | SearchName, D->getTypedefNameForAnonDecl()->getDeclName())) | |||
2718 | return std::move(Err); | |||
2719 | IDNS = Decl::IDNS_Ordinary; | |||
2720 | } else if (Importer.getToContext().getLangOpts().CPlusPlus) | |||
2721 | IDNS |= Decl::IDNS_Ordinary; | |||
2722 | ||||
2723 | // We may already have an enum of the same name; try to find and match it. | |||
2724 | EnumDecl *PrevDecl = nullptr; | |||
2725 | if (!DC->isFunctionOrMethod() && SearchName) { | |||
2726 | SmallVector<NamedDecl *, 4> ConflictingDecls; | |||
2727 | auto FoundDecls = | |||
2728 | Importer.findDeclsInToCtx(DC, SearchName); | |||
2729 | for (auto *FoundDecl : FoundDecls) { | |||
2730 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | |||
2731 | continue; | |||
2732 | ||||
2733 | if (auto *Typedef = dyn_cast<TypedefNameDecl>(FoundDecl)) { | |||
2734 | if (const auto *Tag = Typedef->getUnderlyingType()->getAs<TagType>()) | |||
2735 | FoundDecl = Tag->getDecl(); | |||
2736 | } | |||
2737 | ||||
2738 | if (auto *FoundEnum = dyn_cast<EnumDecl>(FoundDecl)) { | |||
2739 | if (!hasSameVisibilityContextAndLinkage(FoundEnum, D)) | |||
2740 | continue; | |||
2741 | if (IsStructuralMatch(D, FoundEnum)) { | |||
2742 | EnumDecl *FoundDef = FoundEnum->getDefinition(); | |||
2743 | if (D->isThisDeclarationADefinition() && FoundDef) | |||
2744 | return Importer.MapImported(D, FoundDef); | |||
2745 | PrevDecl = FoundEnum->getMostRecentDecl(); | |||
2746 | break; | |||
2747 | } | |||
2748 | ConflictingDecls.push_back(FoundDecl); | |||
2749 | } | |||
2750 | } | |||
2751 | ||||
2752 | if (!ConflictingDecls.empty()) { | |||
2753 | ExpectedName NameOrErr = Importer.HandleNameConflict( | |||
2754 | SearchName, DC, IDNS, ConflictingDecls.data(), | |||
2755 | ConflictingDecls.size()); | |||
2756 | if (NameOrErr) | |||
2757 | Name = NameOrErr.get(); | |||
2758 | else | |||
2759 | return NameOrErr.takeError(); | |||
2760 | } | |||
2761 | } | |||
2762 | ||||
2763 | Error Err = Error::success(); | |||
2764 | auto ToBeginLoc = importChecked(Err, D->getBeginLoc()); | |||
2765 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | |||
2766 | auto ToIntegerType = importChecked(Err, D->getIntegerType()); | |||
2767 | auto ToBraceRange = importChecked(Err, D->getBraceRange()); | |||
2768 | if (Err) | |||
2769 | return std::move(Err); | |||
2770 | ||||
2771 | // Create the enum declaration. | |||
2772 | EnumDecl *D2; | |||
2773 | if (GetImportedOrCreateDecl( | |||
2774 | D2, D, Importer.getToContext(), DC, ToBeginLoc, | |||
2775 | Loc, Name.getAsIdentifierInfo(), PrevDecl, D->isScoped(), | |||
2776 | D->isScopedUsingClassTag(), D->isFixed())) | |||
2777 | return D2; | |||
2778 | ||||
2779 | D2->setQualifierInfo(ToQualifierLoc); | |||
2780 | D2->setIntegerType(ToIntegerType); | |||
2781 | D2->setBraceRange(ToBraceRange); | |||
2782 | D2->setAccess(D->getAccess()); | |||
2783 | D2->setLexicalDeclContext(LexicalDC); | |||
2784 | addDeclToContexts(D, D2); | |||
2785 | ||||
2786 | if (MemberSpecializationInfo *MemberInfo = D->getMemberSpecializationInfo()) { | |||
2787 | TemplateSpecializationKind SK = MemberInfo->getTemplateSpecializationKind(); | |||
2788 | EnumDecl *FromInst = D->getInstantiatedFromMemberEnum(); | |||
2789 | if (Expected<EnumDecl *> ToInstOrErr = import(FromInst)) | |||
2790 | D2->setInstantiationOfMemberEnum(*ToInstOrErr, SK); | |||
2791 | else | |||
2792 | return ToInstOrErr.takeError(); | |||
2793 | if (ExpectedSLoc POIOrErr = import(MemberInfo->getPointOfInstantiation())) | |||
2794 | D2->getMemberSpecializationInfo()->setPointOfInstantiation(*POIOrErr); | |||
2795 | else | |||
2796 | return POIOrErr.takeError(); | |||
2797 | } | |||
2798 | ||||
2799 | // Import the definition | |||
2800 | if (D->isCompleteDefinition()) | |||
2801 | if (Error Err = ImportDefinition(D, D2)) | |||
2802 | return std::move(Err); | |||
2803 | ||||
2804 | return D2; | |||
2805 | } | |||
2806 | ||||
2807 | ExpectedDecl ASTNodeImporter::VisitRecordDecl(RecordDecl *D) { | |||
2808 | bool IsFriendTemplate = false; | |||
2809 | if (auto *DCXX = dyn_cast<CXXRecordDecl>(D)) { | |||
2810 | IsFriendTemplate = | |||
2811 | DCXX->getDescribedClassTemplate() && | |||
2812 | DCXX->getDescribedClassTemplate()->getFriendObjectKind() != | |||
2813 | Decl::FOK_None; | |||
2814 | } | |||
2815 | ||||
2816 | // Import the major distinguishing characteristics of this record. | |||
2817 | DeclContext *DC = nullptr, *LexicalDC = nullptr; | |||
2818 | DeclarationName Name; | |||
2819 | SourceLocation Loc; | |||
2820 | NamedDecl *ToD = nullptr; | |||
2821 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
2822 | return std::move(Err); | |||
2823 | if (ToD) | |||
2824 | return ToD; | |||
2825 | ||||
2826 | // Figure out what structure name we're looking for. | |||
2827 | unsigned IDNS = Decl::IDNS_Tag; | |||
2828 | DeclarationName SearchName = Name; | |||
2829 | if (!SearchName && D->getTypedefNameForAnonDecl()) { | |||
2830 | if (Error Err = importInto( | |||
2831 | SearchName, D->getTypedefNameForAnonDecl()->getDeclName())) | |||
2832 | return std::move(Err); | |||
2833 | IDNS = Decl::IDNS_Ordinary; | |||
2834 | } else if (Importer.getToContext().getLangOpts().CPlusPlus) | |||
2835 | IDNS |= Decl::IDNS_Ordinary | Decl::IDNS_TagFriend; | |||
2836 | ||||
2837 | // We may already have a record of the same name; try to find and match it. | |||
2838 | RecordDecl *PrevDecl = nullptr; | |||
2839 | if (!DC->isFunctionOrMethod() && !D->isLambda()) { | |||
2840 | SmallVector<NamedDecl *, 4> ConflictingDecls; | |||
2841 | auto FoundDecls = | |||
2842 | Importer.findDeclsInToCtx(DC, SearchName); | |||
2843 | if (!FoundDecls.empty()) { | |||
2844 | // We're going to have to compare D against potentially conflicting Decls, | |||
2845 | // so complete it. | |||
2846 | if (D->hasExternalLexicalStorage() && !D->isCompleteDefinition()) | |||
2847 | D->getASTContext().getExternalSource()->CompleteType(D); | |||
2848 | } | |||
2849 | ||||
2850 | for (auto *FoundDecl : FoundDecls) { | |||
2851 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | |||
2852 | continue; | |||
2853 | ||||
2854 | Decl *Found = FoundDecl; | |||
2855 | if (auto *Typedef = dyn_cast<TypedefNameDecl>(Found)) { | |||
2856 | if (const auto *Tag = Typedef->getUnderlyingType()->getAs<TagType>()) | |||
2857 | Found = Tag->getDecl(); | |||
2858 | } | |||
2859 | ||||
2860 | if (auto *FoundRecord = dyn_cast<RecordDecl>(Found)) { | |||
2861 | // Do not emit false positive diagnostic in case of unnamed | |||
2862 | // struct/union and in case of anonymous structs. Would be false | |||
2863 | // because there may be several anonymous/unnamed structs in a class. | |||
2864 | // E.g. these are both valid: | |||
2865 | // struct A { // unnamed structs | |||
2866 | // struct { struct A *next; } entry0; | |||
2867 | // struct { struct A *next; } entry1; | |||
2868 | // }; | |||
2869 | // struct X { struct { int a; }; struct { int b; }; }; // anon structs | |||
2870 | if (!SearchName) | |||
2871 | if (!IsStructuralMatch(D, FoundRecord, false)) | |||
2872 | continue; | |||
2873 | ||||
2874 | if (!hasSameVisibilityContextAndLinkage(FoundRecord, D)) | |||
2875 | continue; | |||
2876 | ||||
2877 | if (IsStructuralMatch(D, FoundRecord)) { | |||
2878 | RecordDecl *FoundDef = FoundRecord->getDefinition(); | |||
2879 | if (D->isThisDeclarationADefinition() && FoundDef) { | |||
2880 | // FIXME: Structural equivalence check should check for same | |||
2881 | // user-defined methods. | |||
2882 | Importer.MapImported(D, FoundDef); | |||
2883 | if (const auto *DCXX = dyn_cast<CXXRecordDecl>(D)) { | |||
2884 | auto *FoundCXX = dyn_cast<CXXRecordDecl>(FoundDef); | |||
2885 | assert(FoundCXX && "Record type mismatch")((void)0); | |||
2886 | ||||
2887 | if (!Importer.isMinimalImport()) | |||
2888 | // FoundDef may not have every implicit method that D has | |||
2889 | // because implicit methods are created only if they are used. | |||
2890 | if (Error Err = ImportImplicitMethods(DCXX, FoundCXX)) | |||
2891 | return std::move(Err); | |||
2892 | } | |||
2893 | } | |||
2894 | PrevDecl = FoundRecord->getMostRecentDecl(); | |||
2895 | break; | |||
2896 | } | |||
2897 | ConflictingDecls.push_back(FoundDecl); | |||
2898 | } // kind is RecordDecl | |||
2899 | } // for | |||
2900 | ||||
2901 | if (!ConflictingDecls.empty() && SearchName) { | |||
2902 | ExpectedName NameOrErr = Importer.HandleNameConflict( | |||
2903 | SearchName, DC, IDNS, ConflictingDecls.data(), | |||
2904 | ConflictingDecls.size()); | |||
2905 | if (NameOrErr) | |||
2906 | Name = NameOrErr.get(); | |||
2907 | else | |||
2908 | return NameOrErr.takeError(); | |||
2909 | } | |||
2910 | } | |||
2911 | ||||
2912 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); | |||
2913 | if (!BeginLocOrErr) | |||
2914 | return BeginLocOrErr.takeError(); | |||
2915 | ||||
2916 | // Create the record declaration. | |||
2917 | RecordDecl *D2 = nullptr; | |||
2918 | CXXRecordDecl *D2CXX = nullptr; | |||
2919 | if (auto *DCXX = dyn_cast<CXXRecordDecl>(D)) { | |||
2920 | if (DCXX->isLambda()) { | |||
2921 | auto TInfoOrErr = import(DCXX->getLambdaTypeInfo()); | |||
2922 | if (!TInfoOrErr) | |||
2923 | return TInfoOrErr.takeError(); | |||
2924 | if (GetImportedOrCreateSpecialDecl( | |||
2925 | D2CXX, CXXRecordDecl::CreateLambda, D, Importer.getToContext(), | |||
2926 | DC, *TInfoOrErr, Loc, DCXX->isDependentLambda(), | |||
2927 | DCXX->isGenericLambda(), DCXX->getLambdaCaptureDefault())) | |||
2928 | return D2CXX; | |||
2929 | ExpectedDecl CDeclOrErr = import(DCXX->getLambdaContextDecl()); | |||
2930 | if (!CDeclOrErr) | |||
2931 | return CDeclOrErr.takeError(); | |||
2932 | D2CXX->setLambdaMangling(DCXX->getLambdaManglingNumber(), *CDeclOrErr, | |||
2933 | DCXX->hasKnownLambdaInternalLinkage()); | |||
2934 | D2CXX->setDeviceLambdaManglingNumber( | |||
2935 | DCXX->getDeviceLambdaManglingNumber()); | |||
2936 | } else if (DCXX->isInjectedClassName()) { | |||
2937 | // We have to be careful to do a similar dance to the one in | |||
2938 | // Sema::ActOnStartCXXMemberDeclarations | |||
2939 | const bool DelayTypeCreation = true; | |||
2940 | if (GetImportedOrCreateDecl( | |||
2941 | D2CXX, D, Importer.getToContext(), D->getTagKind(), DC, | |||
2942 | *BeginLocOrErr, Loc, Name.getAsIdentifierInfo(), | |||
2943 | cast_or_null<CXXRecordDecl>(PrevDecl), DelayTypeCreation)) | |||
2944 | return D2CXX; | |||
2945 | Importer.getToContext().getTypeDeclType( | |||
2946 | D2CXX, dyn_cast<CXXRecordDecl>(DC)); | |||
2947 | } else { | |||
2948 | if (GetImportedOrCreateDecl(D2CXX, D, Importer.getToContext(), | |||
2949 | D->getTagKind(), DC, *BeginLocOrErr, Loc, | |||
2950 | Name.getAsIdentifierInfo(), | |||
2951 | cast_or_null<CXXRecordDecl>(PrevDecl))) | |||
2952 | return D2CXX; | |||
2953 | } | |||
2954 | ||||
2955 | D2 = D2CXX; | |||
2956 | D2->setAccess(D->getAccess()); | |||
2957 | D2->setLexicalDeclContext(LexicalDC); | |||
2958 | addDeclToContexts(D, D2); | |||
2959 | ||||
2960 | if (ClassTemplateDecl *FromDescribed = | |||
2961 | DCXX->getDescribedClassTemplate()) { | |||
2962 | ClassTemplateDecl *ToDescribed; | |||
2963 | if (Error Err = importInto(ToDescribed, FromDescribed)) | |||
2964 | return std::move(Err); | |||
2965 | D2CXX->setDescribedClassTemplate(ToDescribed); | |||
2966 | if (!DCXX->isInjectedClassName() && !IsFriendTemplate) { | |||
2967 | // In a record describing a template the type should be an | |||
2968 | // InjectedClassNameType (see Sema::CheckClassTemplate). Update the | |||
2969 | // previously set type to the correct value here (ToDescribed is not | |||
2970 | // available at record create). | |||
2971 | // FIXME: The previous type is cleared but not removed from | |||
2972 | // ASTContext's internal storage. | |||
2973 | CXXRecordDecl *Injected = nullptr; | |||
2974 | for (NamedDecl *Found : D2CXX->noload_lookup(Name)) { | |||
2975 | auto *Record = dyn_cast<CXXRecordDecl>(Found); | |||
2976 | if (Record && Record->isInjectedClassName()) { | |||
2977 | Injected = Record; | |||
2978 | break; | |||
2979 | } | |||
2980 | } | |||
2981 | // Create an injected type for the whole redecl chain. | |||
2982 | SmallVector<Decl *, 2> Redecls = | |||
2983 | getCanonicalForwardRedeclChain(D2CXX); | |||
2984 | for (auto *R : Redecls) { | |||
2985 | auto *RI = cast<CXXRecordDecl>(R); | |||
2986 | RI->setTypeForDecl(nullptr); | |||
2987 | // Below we create a new injected type and assign that to the | |||
2988 | // canonical decl, subsequent declarations in the chain will reuse | |||
2989 | // that type. | |||
2990 | Importer.getToContext().getInjectedClassNameType( | |||
2991 | RI, ToDescribed->getInjectedClassNameSpecialization()); | |||
2992 | } | |||
2993 | // Set the new type for the previous injected decl too. | |||
2994 | if (Injected) { | |||
2995 | Injected->setTypeForDecl(nullptr); | |||
2996 | Importer.getToContext().getTypeDeclType(Injected, D2CXX); | |||
2997 | } | |||
2998 | } | |||
2999 | } else if (MemberSpecializationInfo *MemberInfo = | |||
3000 | DCXX->getMemberSpecializationInfo()) { | |||
3001 | TemplateSpecializationKind SK = | |||
3002 | MemberInfo->getTemplateSpecializationKind(); | |||
3003 | CXXRecordDecl *FromInst = DCXX->getInstantiatedFromMemberClass(); | |||
3004 | ||||
3005 | if (Expected<CXXRecordDecl *> ToInstOrErr = import(FromInst)) | |||
3006 | D2CXX->setInstantiationOfMemberClass(*ToInstOrErr, SK); | |||
3007 | else | |||
3008 | return ToInstOrErr.takeError(); | |||
3009 | ||||
3010 | if (ExpectedSLoc POIOrErr = | |||
3011 | import(MemberInfo->getPointOfInstantiation())) | |||
3012 | D2CXX->getMemberSpecializationInfo()->setPointOfInstantiation( | |||
3013 | *POIOrErr); | |||
3014 | else | |||
3015 | return POIOrErr.takeError(); | |||
3016 | } | |||
3017 | ||||
3018 | } else { | |||
3019 | if (GetImportedOrCreateDecl(D2, D, Importer.getToContext(), | |||
3020 | D->getTagKind(), DC, *BeginLocOrErr, Loc, | |||
3021 | Name.getAsIdentifierInfo(), PrevDecl)) | |||
3022 | return D2; | |||
3023 | D2->setLexicalDeclContext(LexicalDC); | |||
3024 | addDeclToContexts(D, D2); | |||
3025 | } | |||
3026 | ||||
3027 | if (auto BraceRangeOrErr = import(D->getBraceRange())) | |||
3028 | D2->setBraceRange(*BraceRangeOrErr); | |||
3029 | else | |||
3030 | return BraceRangeOrErr.takeError(); | |||
3031 | if (auto QualifierLocOrErr = import(D->getQualifierLoc())) | |||
3032 | D2->setQualifierInfo(*QualifierLocOrErr); | |||
3033 | else | |||
3034 | return QualifierLocOrErr.takeError(); | |||
3035 | ||||
3036 | if (D->isAnonymousStructOrUnion()) | |||
3037 | D2->setAnonymousStructOrUnion(true); | |||
3038 | ||||
3039 | if (D->isCompleteDefinition()) | |||
3040 | if (Error Err = ImportDefinition(D, D2, IDK_Default)) | |||
3041 | return std::move(Err); | |||
3042 | ||||
3043 | return D2; | |||
3044 | } | |||
3045 | ||||
3046 | ExpectedDecl ASTNodeImporter::VisitEnumConstantDecl(EnumConstantDecl *D) { | |||
3047 | // Import the major distinguishing characteristics of this enumerator. | |||
3048 | DeclContext *DC, *LexicalDC; | |||
3049 | DeclarationName Name; | |||
3050 | SourceLocation Loc; | |||
3051 | NamedDecl *ToD; | |||
3052 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
3053 | return std::move(Err); | |||
3054 | if (ToD) | |||
3055 | return ToD; | |||
3056 | ||||
3057 | // Determine whether there are any other declarations with the same name and | |||
3058 | // in the same context. | |||
3059 | if (!LexicalDC->isFunctionOrMethod()) { | |||
3060 | SmallVector<NamedDecl *, 4> ConflictingDecls; | |||
3061 | unsigned IDNS = Decl::IDNS_Ordinary; | |||
3062 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
3063 | for (auto *FoundDecl : FoundDecls) { | |||
3064 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | |||
3065 | continue; | |||
3066 | ||||
3067 | if (auto *FoundEnumConstant = dyn_cast<EnumConstantDecl>(FoundDecl)) { | |||
3068 | if (IsStructuralMatch(D, FoundEnumConstant)) | |||
3069 | return Importer.MapImported(D, FoundEnumConstant); | |||
3070 | ConflictingDecls.push_back(FoundDecl); | |||
3071 | } | |||
3072 | } | |||
3073 | ||||
3074 | if (!ConflictingDecls.empty()) { | |||
3075 | ExpectedName NameOrErr = Importer.HandleNameConflict( | |||
3076 | Name, DC, IDNS, ConflictingDecls.data(), ConflictingDecls.size()); | |||
3077 | if (NameOrErr) | |||
3078 | Name = NameOrErr.get(); | |||
3079 | else | |||
3080 | return NameOrErr.takeError(); | |||
3081 | } | |||
3082 | } | |||
3083 | ||||
3084 | ExpectedType TypeOrErr = import(D->getType()); | |||
3085 | if (!TypeOrErr) | |||
3086 | return TypeOrErr.takeError(); | |||
3087 | ||||
3088 | ExpectedExpr InitOrErr = import(D->getInitExpr()); | |||
3089 | if (!InitOrErr) | |||
3090 | return InitOrErr.takeError(); | |||
3091 | ||||
3092 | EnumConstantDecl *ToEnumerator; | |||
3093 | if (GetImportedOrCreateDecl( | |||
3094 | ToEnumerator, D, Importer.getToContext(), cast<EnumDecl>(DC), Loc, | |||
3095 | Name.getAsIdentifierInfo(), *TypeOrErr, *InitOrErr, D->getInitVal())) | |||
3096 | return ToEnumerator; | |||
3097 | ||||
3098 | ToEnumerator->setAccess(D->getAccess()); | |||
3099 | ToEnumerator->setLexicalDeclContext(LexicalDC); | |||
3100 | LexicalDC->addDeclInternal(ToEnumerator); | |||
3101 | return ToEnumerator; | |||
3102 | } | |||
3103 | ||||
3104 | Error ASTNodeImporter::ImportTemplateParameterLists(const DeclaratorDecl *FromD, | |||
3105 | DeclaratorDecl *ToD) { | |||
3106 | unsigned int Num = FromD->getNumTemplateParameterLists(); | |||
3107 | if (Num == 0) | |||
3108 | return Error::success(); | |||
3109 | SmallVector<TemplateParameterList *, 2> ToTPLists(Num); | |||
3110 | for (unsigned int I = 0; I < Num; ++I) | |||
3111 | if (Expected<TemplateParameterList *> ToTPListOrErr = | |||
3112 | import(FromD->getTemplateParameterList(I))) | |||
3113 | ToTPLists[I] = *ToTPListOrErr; | |||
3114 | else | |||
3115 | return ToTPListOrErr.takeError(); | |||
3116 | ToD->setTemplateParameterListsInfo(Importer.ToContext, ToTPLists); | |||
3117 | return Error::success(); | |||
3118 | } | |||
3119 | ||||
3120 | Error ASTNodeImporter::ImportTemplateInformation( | |||
3121 | FunctionDecl *FromFD, FunctionDecl *ToFD) { | |||
3122 | switch (FromFD->getTemplatedKind()) { | |||
3123 | case FunctionDecl::TK_NonTemplate: | |||
3124 | case FunctionDecl::TK_FunctionTemplate: | |||
3125 | return Error::success(); | |||
3126 | ||||
3127 | case FunctionDecl::TK_MemberSpecialization: { | |||
3128 | TemplateSpecializationKind TSK = FromFD->getTemplateSpecializationKind(); | |||
3129 | ||||
3130 | if (Expected<FunctionDecl *> InstFDOrErr = | |||
3131 | import(FromFD->getInstantiatedFromMemberFunction())) | |||
3132 | ToFD->setInstantiationOfMemberFunction(*InstFDOrErr, TSK); | |||
3133 | else | |||
3134 | return InstFDOrErr.takeError(); | |||
3135 | ||||
3136 | if (ExpectedSLoc POIOrErr = import( | |||
3137 | FromFD->getMemberSpecializationInfo()->getPointOfInstantiation())) | |||
3138 | ToFD->getMemberSpecializationInfo()->setPointOfInstantiation(*POIOrErr); | |||
3139 | else | |||
3140 | return POIOrErr.takeError(); | |||
3141 | ||||
3142 | return Error::success(); | |||
3143 | } | |||
3144 | ||||
3145 | case FunctionDecl::TK_FunctionTemplateSpecialization: { | |||
3146 | auto FunctionAndArgsOrErr = | |||
3147 | ImportFunctionTemplateWithTemplateArgsFromSpecialization(FromFD); | |||
3148 | if (!FunctionAndArgsOrErr) | |||
3149 | return FunctionAndArgsOrErr.takeError(); | |||
3150 | ||||
3151 | TemplateArgumentList *ToTAList = TemplateArgumentList::CreateCopy( | |||
3152 | Importer.getToContext(), std::get<1>(*FunctionAndArgsOrErr)); | |||
3153 | ||||
3154 | auto *FTSInfo = FromFD->getTemplateSpecializationInfo(); | |||
3155 | TemplateArgumentListInfo ToTAInfo; | |||
3156 | const auto *FromTAArgsAsWritten = FTSInfo->TemplateArgumentsAsWritten; | |||
3157 | if (FromTAArgsAsWritten) | |||
3158 | if (Error Err = ImportTemplateArgumentListInfo( | |||
3159 | *FromTAArgsAsWritten, ToTAInfo)) | |||
3160 | return Err; | |||
3161 | ||||
3162 | ExpectedSLoc POIOrErr = import(FTSInfo->getPointOfInstantiation()); | |||
3163 | if (!POIOrErr) | |||
3164 | return POIOrErr.takeError(); | |||
3165 | ||||
3166 | if (Error Err = ImportTemplateParameterLists(FromFD, ToFD)) | |||
3167 | return Err; | |||
3168 | ||||
3169 | TemplateSpecializationKind TSK = FTSInfo->getTemplateSpecializationKind(); | |||
3170 | ToFD->setFunctionTemplateSpecialization( | |||
3171 | std::get<0>(*FunctionAndArgsOrErr), ToTAList, /* InsertPos= */ nullptr, | |||
3172 | TSK, FromTAArgsAsWritten ? &ToTAInfo : nullptr, *POIOrErr); | |||
3173 | return Error::success(); | |||
3174 | } | |||
3175 | ||||
3176 | case FunctionDecl::TK_DependentFunctionTemplateSpecialization: { | |||
3177 | auto *FromInfo = FromFD->getDependentSpecializationInfo(); | |||
3178 | UnresolvedSet<8> TemplDecls; | |||
3179 | unsigned NumTemplates = FromInfo->getNumTemplates(); | |||
3180 | for (unsigned I = 0; I < NumTemplates; I++) { | |||
3181 | if (Expected<FunctionTemplateDecl *> ToFTDOrErr = | |||
3182 | import(FromInfo->getTemplate(I))) | |||
3183 | TemplDecls.addDecl(*ToFTDOrErr); | |||
3184 | else | |||
3185 | return ToFTDOrErr.takeError(); | |||
3186 | } | |||
3187 | ||||
3188 | // Import TemplateArgumentListInfo. | |||
3189 | TemplateArgumentListInfo ToTAInfo; | |||
3190 | if (Error Err = ImportTemplateArgumentListInfo( | |||
3191 | FromInfo->getLAngleLoc(), FromInfo->getRAngleLoc(), | |||
3192 | llvm::makeArrayRef( | |||
3193 | FromInfo->getTemplateArgs(), FromInfo->getNumTemplateArgs()), | |||
3194 | ToTAInfo)) | |||
3195 | return Err; | |||
3196 | ||||
3197 | ToFD->setDependentTemplateSpecialization(Importer.getToContext(), | |||
3198 | TemplDecls, ToTAInfo); | |||
3199 | return Error::success(); | |||
3200 | } | |||
3201 | } | |||
3202 | llvm_unreachable("All cases should be covered!")__builtin_unreachable(); | |||
3203 | } | |||
3204 | ||||
3205 | Expected<FunctionDecl *> | |||
3206 | ASTNodeImporter::FindFunctionTemplateSpecialization(FunctionDecl *FromFD) { | |||
3207 | auto FunctionAndArgsOrErr = | |||
3208 | ImportFunctionTemplateWithTemplateArgsFromSpecialization(FromFD); | |||
3209 | if (!FunctionAndArgsOrErr) | |||
3210 | return FunctionAndArgsOrErr.takeError(); | |||
3211 | ||||
3212 | FunctionTemplateDecl *Template; | |||
3213 | TemplateArgsTy ToTemplArgs; | |||
3214 | std::tie(Template, ToTemplArgs) = *FunctionAndArgsOrErr; | |||
3215 | void *InsertPos = nullptr; | |||
3216 | auto *FoundSpec = Template->findSpecialization(ToTemplArgs, InsertPos); | |||
3217 | return FoundSpec; | |||
3218 | } | |||
3219 | ||||
3220 | Error ASTNodeImporter::ImportFunctionDeclBody(FunctionDecl *FromFD, | |||
3221 | FunctionDecl *ToFD) { | |||
3222 | if (Stmt *FromBody = FromFD->getBody()) { | |||
3223 | if (ExpectedStmt ToBodyOrErr = import(FromBody)) | |||
3224 | ToFD->setBody(*ToBodyOrErr); | |||
3225 | else | |||
3226 | return ToBodyOrErr.takeError(); | |||
3227 | } | |||
3228 | return Error::success(); | |||
3229 | } | |||
3230 | ||||
3231 | // Returns true if the given D has a DeclContext up to the TranslationUnitDecl | |||
3232 | // which is equal to the given DC. | |||
3233 | static bool isAncestorDeclContextOf(const DeclContext *DC, const Decl *D) { | |||
3234 | const DeclContext *DCi = D->getDeclContext(); | |||
3235 | while (DCi != D->getTranslationUnitDecl()) { | |||
3236 | if (DCi == DC) | |||
3237 | return true; | |||
3238 | DCi = DCi->getParent(); | |||
3239 | } | |||
3240 | return false; | |||
3241 | } | |||
3242 | ||||
3243 | bool ASTNodeImporter::hasAutoReturnTypeDeclaredInside(FunctionDecl *D) { | |||
3244 | QualType FromTy = D->getType(); | |||
3245 | const FunctionProtoType *FromFPT = FromTy->getAs<FunctionProtoType>(); | |||
3246 | assert(FromFPT && "Must be called on FunctionProtoType")((void)0); | |||
3247 | if (AutoType *AutoT = FromFPT->getReturnType()->getContainedAutoType()) { | |||
3248 | QualType DeducedT = AutoT->getDeducedType(); | |||
3249 | if (const RecordType *RecordT = | |||
3250 | DeducedT.isNull() ? nullptr : dyn_cast<RecordType>(DeducedT)) { | |||
3251 | RecordDecl *RD = RecordT->getDecl(); | |||
3252 | assert(RD)((void)0); | |||
3253 | if (isAncestorDeclContextOf(D, RD)) { | |||
3254 | assert(RD->getLexicalDeclContext() == RD->getDeclContext())((void)0); | |||
3255 | return true; | |||
3256 | } | |||
3257 | } | |||
3258 | } | |||
3259 | if (const TypedefType *TypedefT = | |||
3260 | dyn_cast<TypedefType>(FromFPT->getReturnType())) { | |||
3261 | TypedefNameDecl *TD = TypedefT->getDecl(); | |||
3262 | assert(TD)((void)0); | |||
3263 | if (isAncestorDeclContextOf(D, TD)) { | |||
3264 | assert(TD->getLexicalDeclContext() == TD->getDeclContext())((void)0); | |||
3265 | return true; | |||
3266 | } | |||
3267 | } | |||
3268 | return false; | |||
3269 | } | |||
3270 | ||||
3271 | ExplicitSpecifier | |||
3272 | ASTNodeImporter::importExplicitSpecifier(Error &Err, ExplicitSpecifier ESpec) { | |||
3273 | Expr *ExplicitExpr = ESpec.getExpr(); | |||
3274 | if (ExplicitExpr) | |||
3275 | ExplicitExpr = importChecked(Err, ESpec.getExpr()); | |||
3276 | return ExplicitSpecifier(ExplicitExpr, ESpec.getKind()); | |||
3277 | } | |||
3278 | ||||
3279 | ExpectedDecl ASTNodeImporter::VisitFunctionDecl(FunctionDecl *D) { | |||
3280 | ||||
3281 | SmallVector<Decl *, 2> Redecls = getCanonicalForwardRedeclChain(D); | |||
3282 | auto RedeclIt = Redecls.begin(); | |||
3283 | // Import the first part of the decl chain. I.e. import all previous | |||
3284 | // declarations starting from the canonical decl. | |||
3285 | for (; RedeclIt != Redecls.end() && *RedeclIt != D; ++RedeclIt) { | |||
3286 | ExpectedDecl ToRedeclOrErr = import(*RedeclIt); | |||
3287 | if (!ToRedeclOrErr) | |||
3288 | return ToRedeclOrErr.takeError(); | |||
3289 | } | |||
3290 | assert(*RedeclIt == D)((void)0); | |||
3291 | ||||
3292 | // Import the major distinguishing characteristics of this function. | |||
3293 | DeclContext *DC, *LexicalDC; | |||
3294 | DeclarationName Name; | |||
3295 | SourceLocation Loc; | |||
3296 | NamedDecl *ToD; | |||
3297 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
3298 | return std::move(Err); | |||
3299 | if (ToD) | |||
3300 | return ToD; | |||
3301 | ||||
3302 | FunctionDecl *FoundByLookup = nullptr; | |||
3303 | FunctionTemplateDecl *FromFT = D->getDescribedFunctionTemplate(); | |||
3304 | ||||
3305 | // If this is a function template specialization, then try to find the same | |||
3306 | // existing specialization in the "to" context. The lookup below will not | |||
3307 | // find any specialization, but would find the primary template; thus, we | |||
3308 | // have to skip normal lookup in case of specializations. | |||
3309 | // FIXME handle member function templates (TK_MemberSpecialization) similarly? | |||
3310 | if (D->getTemplatedKind() == | |||
3311 | FunctionDecl::TK_FunctionTemplateSpecialization) { | |||
3312 | auto FoundFunctionOrErr = FindFunctionTemplateSpecialization(D); | |||
3313 | if (!FoundFunctionOrErr) | |||
3314 | return FoundFunctionOrErr.takeError(); | |||
3315 | if (FunctionDecl *FoundFunction = *FoundFunctionOrErr) { | |||
3316 | if (Decl *Def = FindAndMapDefinition(D, FoundFunction)) | |||
3317 | return Def; | |||
3318 | FoundByLookup = FoundFunction; | |||
3319 | } | |||
3320 | } | |||
3321 | // Try to find a function in our own ("to") context with the same name, same | |||
3322 | // type, and in the same context as the function we're importing. | |||
3323 | else if (!LexicalDC->isFunctionOrMethod()) { | |||
3324 | SmallVector<NamedDecl *, 4> ConflictingDecls; | |||
3325 | unsigned IDNS = Decl::IDNS_Ordinary | Decl::IDNS_OrdinaryFriend; | |||
3326 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
3327 | for (auto *FoundDecl : FoundDecls) { | |||
3328 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | |||
3329 | continue; | |||
3330 | ||||
3331 | if (auto *FoundFunction = dyn_cast<FunctionDecl>(FoundDecl)) { | |||
3332 | if (!hasSameVisibilityContextAndLinkage(FoundFunction, D)) | |||
3333 | continue; | |||
3334 | ||||
3335 | if (IsStructuralMatch(D, FoundFunction)) { | |||
3336 | if (Decl *Def = FindAndMapDefinition(D, FoundFunction)) | |||
3337 | return Def; | |||
3338 | FoundByLookup = FoundFunction; | |||
3339 | break; | |||
3340 | } | |||
3341 | // FIXME: Check for overloading more carefully, e.g., by boosting | |||
3342 | // Sema::IsOverload out to the AST library. | |||
3343 | ||||
3344 | // Function overloading is okay in C++. | |||
3345 | if (Importer.getToContext().getLangOpts().CPlusPlus) | |||
3346 | continue; | |||
3347 | ||||
3348 | // Complain about inconsistent function types. | |||
3349 | Importer.ToDiag(Loc, diag::warn_odr_function_type_inconsistent) | |||
3350 | << Name << D->getType() << FoundFunction->getType(); | |||
3351 | Importer.ToDiag(FoundFunction->getLocation(), diag::note_odr_value_here) | |||
3352 | << FoundFunction->getType(); | |||
3353 | ConflictingDecls.push_back(FoundDecl); | |||
3354 | } | |||
3355 | } | |||
3356 | ||||
3357 | if (!ConflictingDecls.empty()) { | |||
3358 | ExpectedName NameOrErr = Importer.HandleNameConflict( | |||
3359 | Name, DC, IDNS, ConflictingDecls.data(), ConflictingDecls.size()); | |||
3360 | if (NameOrErr) | |||
3361 | Name = NameOrErr.get(); | |||
3362 | else | |||
3363 | return NameOrErr.takeError(); | |||
3364 | } | |||
3365 | } | |||
3366 | ||||
3367 | // We do not allow more than one in-class declaration of a function. This is | |||
3368 | // because AST clients like VTableBuilder asserts on this. VTableBuilder | |||
3369 | // assumes there is only one in-class declaration. Building a redecl | |||
3370 | // chain would result in more than one in-class declaration for | |||
3371 | // overrides (even if they are part of the same redecl chain inside the | |||
3372 | // derived class.) | |||
3373 | if (FoundByLookup) { | |||
3374 | if (isa<CXXMethodDecl>(FoundByLookup)) { | |||
3375 | if (D->getLexicalDeclContext() == D->getDeclContext()) { | |||
3376 | if (!D->doesThisDeclarationHaveABody()) { | |||
3377 | if (FunctionTemplateDecl *DescribedD = | |||
3378 | D->getDescribedFunctionTemplate()) { | |||
3379 | // Handle a "templated" function together with its described | |||
3380 | // template. This avoids need for a similar check at import of the | |||
3381 | // described template. | |||
3382 | assert(FoundByLookup->getDescribedFunctionTemplate() &&((void)0) | |||
3383 | "Templated function mapped to non-templated?")((void)0); | |||
3384 | Importer.MapImported(DescribedD, | |||
3385 | FoundByLookup->getDescribedFunctionTemplate()); | |||
3386 | } | |||
3387 | return Importer.MapImported(D, FoundByLookup); | |||
3388 | } else { | |||
3389 | // Let's continue and build up the redecl chain in this case. | |||
3390 | // FIXME Merge the functions into one decl. | |||
3391 | } | |||
3392 | } | |||
3393 | } | |||
3394 | } | |||
3395 | ||||
3396 | DeclarationNameInfo NameInfo(Name, Loc); | |||
3397 | // Import additional name location/type info. | |||
3398 | if (Error Err = ImportDeclarationNameLoc(D->getNameInfo(), NameInfo)) | |||
3399 | return std::move(Err); | |||
3400 | ||||
3401 | QualType FromTy = D->getType(); | |||
3402 | // Set to true if we do not import the type of the function as is. There are | |||
3403 | // cases when the original type would result in an infinite recursion during | |||
3404 | // the import. To avoid an infinite recursion when importing, we create the | |||
3405 | // FunctionDecl with a simplified function type and update it only after the | |||
3406 | // relevant AST nodes are already imported. | |||
3407 | bool UsedDifferentProtoType = false; | |||
3408 | if (const auto *FromFPT = FromTy->getAs<FunctionProtoType>()) { | |||
3409 | QualType FromReturnTy = FromFPT->getReturnType(); | |||
3410 | // Functions with auto return type may define a struct inside their body | |||
3411 | // and the return type could refer to that struct. | |||
3412 | // E.g.: auto foo() { struct X{}; return X(); } | |||
3413 | // To avoid an infinite recursion when importing, create the FunctionDecl | |||
3414 | // with a simplified return type. | |||
3415 | if (hasAutoReturnTypeDeclaredInside(D)) { | |||
3416 | FromReturnTy = Importer.getFromContext().VoidTy; | |||
3417 | UsedDifferentProtoType = true; | |||
3418 | } | |||
3419 | FunctionProtoType::ExtProtoInfo FromEPI = FromFPT->getExtProtoInfo(); | |||
3420 | // FunctionProtoType::ExtProtoInfo's ExceptionSpecDecl can point to the | |||
3421 | // FunctionDecl that we are importing the FunctionProtoType for. | |||
3422 | // To avoid an infinite recursion when importing, create the FunctionDecl | |||
3423 | // with a simplified function type. | |||
3424 | if (FromEPI.ExceptionSpec.SourceDecl || | |||
3425 | FromEPI.ExceptionSpec.SourceTemplate || | |||
3426 | FromEPI.ExceptionSpec.NoexceptExpr) { | |||
3427 | FunctionProtoType::ExtProtoInfo DefaultEPI; | |||
3428 | FromEPI = DefaultEPI; | |||
3429 | UsedDifferentProtoType = true; | |||
3430 | } | |||
3431 | FromTy = Importer.getFromContext().getFunctionType( | |||
3432 | FromReturnTy, FromFPT->getParamTypes(), FromEPI); | |||
3433 | } | |||
3434 | ||||
3435 | Error Err = Error::success(); | |||
3436 | auto T = importChecked(Err, FromTy); | |||
3437 | auto TInfo = importChecked(Err, D->getTypeSourceInfo()); | |||
3438 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); | |||
3439 | auto ToEndLoc = importChecked(Err, D->getEndLoc()); | |||
3440 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | |||
3441 | auto TrailingRequiresClause = | |||
3442 | importChecked(Err, D->getTrailingRequiresClause()); | |||
3443 | if (Err) | |||
3444 | return std::move(Err); | |||
3445 | ||||
3446 | // Import the function parameters. | |||
3447 | SmallVector<ParmVarDecl *, 8> Parameters; | |||
3448 | for (auto P : D->parameters()) { | |||
3449 | if (Expected<ParmVarDecl *> ToPOrErr = import(P)) | |||
3450 | Parameters.push_back(*ToPOrErr); | |||
3451 | else | |||
3452 | return ToPOrErr.takeError(); | |||
3453 | } | |||
3454 | ||||
3455 | // Create the imported function. | |||
3456 | FunctionDecl *ToFunction = nullptr; | |||
3457 | if (auto *FromConstructor = dyn_cast<CXXConstructorDecl>(D)) { | |||
3458 | ExplicitSpecifier ESpec = | |||
3459 | importExplicitSpecifier(Err, FromConstructor->getExplicitSpecifier()); | |||
3460 | if (Err) | |||
3461 | return std::move(Err); | |||
3462 | if (GetImportedOrCreateDecl<CXXConstructorDecl>( | |||
3463 | ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(DC), | |||
3464 | ToInnerLocStart, NameInfo, T, TInfo, ESpec, D->isInlineSpecified(), | |||
3465 | D->isImplicit(), D->getConstexprKind(), | |||
3466 | InheritedConstructor(), // FIXME: Properly import inherited | |||
3467 | // constructor info | |||
3468 | TrailingRequiresClause)) | |||
3469 | return ToFunction; | |||
3470 | } else if (CXXDestructorDecl *FromDtor = dyn_cast<CXXDestructorDecl>(D)) { | |||
3471 | ||||
3472 | Error Err = Error::success(); | |||
3473 | auto ToOperatorDelete = importChecked( | |||
3474 | Err, const_cast<FunctionDecl *>(FromDtor->getOperatorDelete())); | |||
3475 | auto ToThisArg = importChecked(Err, FromDtor->getOperatorDeleteThisArg()); | |||
3476 | if (Err) | |||
3477 | return std::move(Err); | |||
3478 | ||||
3479 | if (GetImportedOrCreateDecl<CXXDestructorDecl>( | |||
3480 | ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(DC), | |||
3481 | ToInnerLocStart, NameInfo, T, TInfo, D->isInlineSpecified(), | |||
3482 | D->isImplicit(), D->getConstexprKind(), TrailingRequiresClause)) | |||
3483 | return ToFunction; | |||
3484 | ||||
3485 | CXXDestructorDecl *ToDtor = cast<CXXDestructorDecl>(ToFunction); | |||
3486 | ||||
3487 | ToDtor->setOperatorDelete(ToOperatorDelete, ToThisArg); | |||
3488 | } else if (CXXConversionDecl *FromConversion = | |||
3489 | dyn_cast<CXXConversionDecl>(D)) { | |||
3490 | ExplicitSpecifier ESpec = | |||
3491 | importExplicitSpecifier(Err, FromConversion->getExplicitSpecifier()); | |||
3492 | if (Err) | |||
3493 | return std::move(Err); | |||
3494 | if (GetImportedOrCreateDecl<CXXConversionDecl>( | |||
3495 | ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(DC), | |||
3496 | ToInnerLocStart, NameInfo, T, TInfo, D->isInlineSpecified(), ESpec, | |||
3497 | D->getConstexprKind(), SourceLocation(), TrailingRequiresClause)) | |||
3498 | return ToFunction; | |||
3499 | } else if (auto *Method = dyn_cast<CXXMethodDecl>(D)) { | |||
3500 | if (GetImportedOrCreateDecl<CXXMethodDecl>( | |||
3501 | ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(DC), | |||
3502 | ToInnerLocStart, NameInfo, T, TInfo, Method->getStorageClass(), | |||
3503 | Method->isInlineSpecified(), D->getConstexprKind(), | |||
3504 | SourceLocation(), TrailingRequiresClause)) | |||
3505 | return ToFunction; | |||
3506 | } else if (auto *Guide = dyn_cast<CXXDeductionGuideDecl>(D)) { | |||
3507 | ExplicitSpecifier ESpec = | |||
3508 | importExplicitSpecifier(Err, Guide->getExplicitSpecifier()); | |||
3509 | CXXConstructorDecl *Ctor = | |||
3510 | importChecked(Err, Guide->getCorrespondingConstructor()); | |||
3511 | if (Err) | |||
3512 | return std::move(Err); | |||
3513 | if (GetImportedOrCreateDecl<CXXDeductionGuideDecl>( | |||
3514 | ToFunction, D, Importer.getToContext(), DC, ToInnerLocStart, ESpec, | |||
3515 | NameInfo, T, TInfo, ToEndLoc, Ctor)) | |||
3516 | return ToFunction; | |||
3517 | cast<CXXDeductionGuideDecl>(ToFunction) | |||
3518 | ->setIsCopyDeductionCandidate(Guide->isCopyDeductionCandidate()); | |||
3519 | } else { | |||
3520 | if (GetImportedOrCreateDecl( | |||
3521 | ToFunction, D, Importer.getToContext(), DC, ToInnerLocStart, | |||
3522 | NameInfo, T, TInfo, D->getStorageClass(), D->isInlineSpecified(), | |||
3523 | D->hasWrittenPrototype(), D->getConstexprKind(), | |||
3524 | TrailingRequiresClause)) | |||
3525 | return ToFunction; | |||
3526 | } | |||
3527 | ||||
3528 | // Connect the redecl chain. | |||
3529 | if (FoundByLookup) { | |||
3530 | auto *Recent = const_cast<FunctionDecl *>( | |||
3531 | FoundByLookup->getMostRecentDecl()); | |||
3532 | ToFunction->setPreviousDecl(Recent); | |||
3533 | // FIXME Probably we should merge exception specifications. E.g. In the | |||
3534 | // "To" context the existing function may have exception specification with | |||
3535 | // noexcept-unevaluated, while the newly imported function may have an | |||
3536 | // evaluated noexcept. A call to adjustExceptionSpec() on the imported | |||
3537 | // decl and its redeclarations may be required. | |||
3538 | } | |||
3539 | ||||
3540 | ToFunction->setQualifierInfo(ToQualifierLoc); | |||
3541 | ToFunction->setAccess(D->getAccess()); | |||
3542 | ToFunction->setLexicalDeclContext(LexicalDC); | |||
3543 | ToFunction->setVirtualAsWritten(D->isVirtualAsWritten()); | |||
3544 | ToFunction->setTrivial(D->isTrivial()); | |||
3545 | ToFunction->setPure(D->isPure()); | |||
3546 | ToFunction->setDefaulted(D->isDefaulted()); | |||
3547 | ToFunction->setExplicitlyDefaulted(D->isExplicitlyDefaulted()); | |||
3548 | ToFunction->setDeletedAsWritten(D->isDeletedAsWritten()); | |||
3549 | ToFunction->setRangeEnd(ToEndLoc); | |||
3550 | ||||
3551 | // Set the parameters. | |||
3552 | for (auto *Param : Parameters) { | |||
3553 | Param->setOwningFunction(ToFunction); | |||
3554 | ToFunction->addDeclInternal(Param); | |||
3555 | if (ASTImporterLookupTable *LT = Importer.SharedState->getLookupTable()) | |||
3556 | LT->update(Param, Importer.getToContext().getTranslationUnitDecl()); | |||
3557 | } | |||
3558 | ToFunction->setParams(Parameters); | |||
3559 | ||||
3560 | // We need to complete creation of FunctionProtoTypeLoc manually with setting | |||
3561 | // params it refers to. | |||
3562 | if (TInfo) { | |||
3563 | if (auto ProtoLoc = | |||
3564 | TInfo->getTypeLoc().IgnoreParens().getAs<FunctionProtoTypeLoc>()) { | |||
3565 | for (unsigned I = 0, N = Parameters.size(); I != N; ++I) | |||
3566 | ProtoLoc.setParam(I, Parameters[I]); | |||
3567 | } | |||
3568 | } | |||
3569 | ||||
3570 | // Import the describing template function, if any. | |||
3571 | if (FromFT) { | |||
3572 | auto ToFTOrErr = import(FromFT); | |||
3573 | if (!ToFTOrErr) | |||
3574 | return ToFTOrErr.takeError(); | |||
3575 | } | |||
3576 | ||||
3577 | // Import Ctor initializers. | |||
3578 | if (auto *FromConstructor = dyn_cast<CXXConstructorDecl>(D)) { | |||
3579 | if (unsigned NumInitializers = FromConstructor->getNumCtorInitializers()) { | |||
3580 | SmallVector<CXXCtorInitializer *, 4> CtorInitializers(NumInitializers); | |||
3581 | // Import first, then allocate memory and copy if there was no error. | |||
3582 | if (Error Err = ImportContainerChecked( | |||
3583 | FromConstructor->inits(), CtorInitializers)) | |||
3584 | return std::move(Err); | |||
3585 | auto **Memory = | |||
3586 | new (Importer.getToContext()) CXXCtorInitializer *[NumInitializers]; | |||
3587 | std::copy(CtorInitializers.begin(), CtorInitializers.end(), Memory); | |||
3588 | auto *ToCtor = cast<CXXConstructorDecl>(ToFunction); | |||
3589 | ToCtor->setCtorInitializers(Memory); | |||
3590 | ToCtor->setNumCtorInitializers(NumInitializers); | |||
3591 | } | |||
3592 | } | |||
3593 | ||||
3594 | if (D->doesThisDeclarationHaveABody()) { | |||
3595 | Error Err = ImportFunctionDeclBody(D, ToFunction); | |||
3596 | ||||
3597 | if (Err) | |||
3598 | return std::move(Err); | |||
3599 | } | |||
3600 | ||||
3601 | // Import and set the original type in case we used another type. | |||
3602 | if (UsedDifferentProtoType) { | |||
3603 | if (ExpectedType TyOrErr = import(D->getType())) | |||
3604 | ToFunction->setType(*TyOrErr); | |||
3605 | else | |||
3606 | return TyOrErr.takeError(); | |||
3607 | } | |||
3608 | ||||
3609 | // FIXME: Other bits to merge? | |||
3610 | ||||
3611 | // If it is a template, import all related things. | |||
3612 | if (Error Err = ImportTemplateInformation(D, ToFunction)) | |||
3613 | return std::move(Err); | |||
3614 | ||||
3615 | addDeclToContexts(D, ToFunction); | |||
3616 | ||||
3617 | if (auto *FromCXXMethod = dyn_cast<CXXMethodDecl>(D)) | |||
3618 | if (Error Err = ImportOverriddenMethods(cast<CXXMethodDecl>(ToFunction), | |||
3619 | FromCXXMethod)) | |||
3620 | return std::move(Err); | |||
3621 | ||||
3622 | // Import the rest of the chain. I.e. import all subsequent declarations. | |||
3623 | for (++RedeclIt; RedeclIt != Redecls.end(); ++RedeclIt) { | |||
3624 | ExpectedDecl ToRedeclOrErr = import(*RedeclIt); | |||
3625 | if (!ToRedeclOrErr) | |||
3626 | return ToRedeclOrErr.takeError(); | |||
3627 | } | |||
3628 | ||||
3629 | return ToFunction; | |||
3630 | } | |||
3631 | ||||
3632 | ExpectedDecl ASTNodeImporter::VisitCXXMethodDecl(CXXMethodDecl *D) { | |||
3633 | return VisitFunctionDecl(D); | |||
3634 | } | |||
3635 | ||||
3636 | ExpectedDecl ASTNodeImporter::VisitCXXConstructorDecl(CXXConstructorDecl *D) { | |||
3637 | return VisitCXXMethodDecl(D); | |||
3638 | } | |||
3639 | ||||
3640 | ExpectedDecl ASTNodeImporter::VisitCXXDestructorDecl(CXXDestructorDecl *D) { | |||
3641 | return VisitCXXMethodDecl(D); | |||
3642 | } | |||
3643 | ||||
3644 | ExpectedDecl ASTNodeImporter::VisitCXXConversionDecl(CXXConversionDecl *D) { | |||
3645 | return VisitCXXMethodDecl(D); | |||
3646 | } | |||
3647 | ||||
3648 | ExpectedDecl | |||
3649 | ASTNodeImporter::VisitCXXDeductionGuideDecl(CXXDeductionGuideDecl *D) { | |||
3650 | return VisitFunctionDecl(D); | |||
3651 | } | |||
3652 | ||||
3653 | ExpectedDecl ASTNodeImporter::VisitFieldDecl(FieldDecl *D) { | |||
3654 | // Import the major distinguishing characteristics of a variable. | |||
3655 | DeclContext *DC, *LexicalDC; | |||
3656 | DeclarationName Name; | |||
3657 | SourceLocation Loc; | |||
3658 | NamedDecl *ToD; | |||
3659 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
3660 | return std::move(Err); | |||
3661 | if (ToD) | |||
3662 | return ToD; | |||
3663 | ||||
3664 | // Determine whether we've already imported this field. | |||
3665 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
3666 | for (auto *FoundDecl : FoundDecls) { | |||
3667 | if (FieldDecl *FoundField = dyn_cast<FieldDecl>(FoundDecl)) { | |||
3668 | // For anonymous fields, match up by index. | |||
3669 | if (!Name && | |||
3670 | ASTImporter::getFieldIndex(D) != | |||
3671 | ASTImporter::getFieldIndex(FoundField)) | |||
3672 | continue; | |||
3673 | ||||
3674 | if (Importer.IsStructurallyEquivalent(D->getType(), | |||
3675 | FoundField->getType())) { | |||
3676 | Importer.MapImported(D, FoundField); | |||
3677 | // In case of a FieldDecl of a ClassTemplateSpecializationDecl, the | |||
3678 | // initializer of a FieldDecl might not had been instantiated in the | |||
3679 | // "To" context. However, the "From" context might instantiated that, | |||
3680 | // thus we have to merge that. | |||
3681 | if (Expr *FromInitializer = D->getInClassInitializer()) { | |||
3682 | // We don't have yet the initializer set. | |||
3683 | if (FoundField->hasInClassInitializer() && | |||
3684 | !FoundField->getInClassInitializer()) { | |||
3685 | if (ExpectedExpr ToInitializerOrErr = import(FromInitializer)) | |||
3686 | FoundField->setInClassInitializer(*ToInitializerOrErr); | |||
3687 | else { | |||
3688 | // We can't return error here, | |||
3689 | // since we already mapped D as imported. | |||
3690 | // FIXME: warning message? | |||
3691 | consumeError(ToInitializerOrErr.takeError()); | |||
3692 | return FoundField; | |||
3693 | } | |||
3694 | } | |||
3695 | } | |||
3696 | return FoundField; | |||
3697 | } | |||
3698 | ||||
3699 | // FIXME: Why is this case not handled with calling HandleNameConflict? | |||
3700 | Importer.ToDiag(Loc, diag::warn_odr_field_type_inconsistent) | |||
3701 | << Name << D->getType() << FoundField->getType(); | |||
3702 | Importer.ToDiag(FoundField->getLocation(), diag::note_odr_value_here) | |||
3703 | << FoundField->getType(); | |||
3704 | ||||
3705 | return make_error<ImportError>(ImportError::NameConflict); | |||
3706 | } | |||
3707 | } | |||
3708 | ||||
3709 | Error Err = Error::success(); | |||
3710 | auto ToType = importChecked(Err, D->getType()); | |||
3711 | auto ToTInfo = importChecked(Err, D->getTypeSourceInfo()); | |||
3712 | auto ToBitWidth = importChecked(Err, D->getBitWidth()); | |||
3713 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); | |||
3714 | auto ToInitializer = importChecked(Err, D->getInClassInitializer()); | |||
3715 | if (Err) | |||
3716 | return std::move(Err); | |||
3717 | const Type *ToCapturedVLAType = nullptr; | |||
3718 | if (Error Err = Importer.importInto( | |||
3719 | ToCapturedVLAType, cast_or_null<Type>(D->getCapturedVLAType()))) | |||
3720 | return std::move(Err); | |||
3721 | ||||
3722 | FieldDecl *ToField; | |||
3723 | if (GetImportedOrCreateDecl(ToField, D, Importer.getToContext(), DC, | |||
3724 | ToInnerLocStart, Loc, Name.getAsIdentifierInfo(), | |||
3725 | ToType, ToTInfo, ToBitWidth, D->isMutable(), | |||
3726 | D->getInClassInitStyle())) | |||
3727 | return ToField; | |||
3728 | ||||
3729 | ToField->setAccess(D->getAccess()); | |||
3730 | ToField->setLexicalDeclContext(LexicalDC); | |||
3731 | if (ToInitializer) | |||
3732 | ToField->setInClassInitializer(ToInitializer); | |||
3733 | ToField->setImplicit(D->isImplicit()); | |||
3734 | if (ToCapturedVLAType) | |||
3735 | ToField->setCapturedVLAType(cast<VariableArrayType>(ToCapturedVLAType)); | |||
3736 | LexicalDC->addDeclInternal(ToField); | |||
3737 | return ToField; | |||
3738 | } | |||
3739 | ||||
3740 | ExpectedDecl ASTNodeImporter::VisitIndirectFieldDecl(IndirectFieldDecl *D) { | |||
3741 | // Import the major distinguishing characteristics of a variable. | |||
3742 | DeclContext *DC, *LexicalDC; | |||
3743 | DeclarationName Name; | |||
3744 | SourceLocation Loc; | |||
3745 | NamedDecl *ToD; | |||
3746 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
3747 | return std::move(Err); | |||
3748 | if (ToD) | |||
3749 | return ToD; | |||
3750 | ||||
3751 | // Determine whether we've already imported this field. | |||
3752 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
3753 | for (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { | |||
3754 | if (auto *FoundField = dyn_cast<IndirectFieldDecl>(FoundDecls[I])) { | |||
3755 | // For anonymous indirect fields, match up by index. | |||
3756 | if (!Name && | |||
3757 | ASTImporter::getFieldIndex(D) != | |||
3758 | ASTImporter::getFieldIndex(FoundField)) | |||
3759 | continue; | |||
3760 | ||||
3761 | if (Importer.IsStructurallyEquivalent(D->getType(), | |||
3762 | FoundField->getType(), | |||
3763 | !Name.isEmpty())) { | |||
3764 | Importer.MapImported(D, FoundField); | |||
3765 | return FoundField; | |||
3766 | } | |||
3767 | ||||
3768 | // If there are more anonymous fields to check, continue. | |||
3769 | if (!Name && I < N-1) | |||
3770 | continue; | |||
3771 | ||||
3772 | // FIXME: Why is this case not handled with calling HandleNameConflict? | |||
3773 | Importer.ToDiag(Loc, diag::warn_odr_field_type_inconsistent) | |||
3774 | << Name << D->getType() << FoundField->getType(); | |||
3775 | Importer.ToDiag(FoundField->getLocation(), diag::note_odr_value_here) | |||
3776 | << FoundField->getType(); | |||
3777 | ||||
3778 | return make_error<ImportError>(ImportError::NameConflict); | |||
3779 | } | |||
3780 | } | |||
3781 | ||||
3782 | // Import the type. | |||
3783 | auto TypeOrErr = import(D->getType()); | |||
3784 | if (!TypeOrErr) | |||
3785 | return TypeOrErr.takeError(); | |||
3786 | ||||
3787 | auto **NamedChain = | |||
3788 | new (Importer.getToContext()) NamedDecl*[D->getChainingSize()]; | |||
3789 | ||||
3790 | unsigned i = 0; | |||
3791 | for (auto *PI : D->chain()) | |||
3792 | if (Expected<NamedDecl *> ToD = import(PI)) | |||
3793 | NamedChain[i++] = *ToD; | |||
3794 | else | |||
3795 | return ToD.takeError(); | |||
3796 | ||||
3797 | llvm::MutableArrayRef<NamedDecl *> CH = {NamedChain, D->getChainingSize()}; | |||
3798 | IndirectFieldDecl *ToIndirectField; | |||
3799 | if (GetImportedOrCreateDecl(ToIndirectField, D, Importer.getToContext(), DC, | |||
3800 | Loc, Name.getAsIdentifierInfo(), *TypeOrErr, CH)) | |||
3801 | // FIXME here we leak `NamedChain` which is allocated before | |||
3802 | return ToIndirectField; | |||
3803 | ||||
3804 | ToIndirectField->setAccess(D->getAccess()); | |||
3805 | ToIndirectField->setLexicalDeclContext(LexicalDC); | |||
3806 | LexicalDC->addDeclInternal(ToIndirectField); | |||
3807 | return ToIndirectField; | |||
3808 | } | |||
3809 | ||||
3810 | /// Used as return type of getFriendCountAndPosition. | |||
3811 | struct FriendCountAndPosition { | |||
3812 | /// Number of similar looking friends. | |||
3813 | unsigned int TotalCount; | |||
3814 | /// Index of the specific FriendDecl. | |||
3815 | unsigned int IndexOfDecl; | |||
3816 | }; | |||
3817 | ||||
3818 | template <class T> | |||
3819 | static FriendCountAndPosition getFriendCountAndPosition( | |||
3820 | const FriendDecl *FD, | |||
3821 | llvm::function_ref<T(const FriendDecl *)> GetCanTypeOrDecl) { | |||
3822 | unsigned int FriendCount = 0; | |||
3823 | llvm::Optional<unsigned int> FriendPosition; | |||
3824 | const auto *RD = cast<CXXRecordDecl>(FD->getLexicalDeclContext()); | |||
3825 | ||||
3826 | T TypeOrDecl = GetCanTypeOrDecl(FD); | |||
3827 | ||||
3828 | for (const FriendDecl *FoundFriend : RD->friends()) { | |||
3829 | if (FoundFriend == FD) { | |||
3830 | FriendPosition = FriendCount; | |||
3831 | ++FriendCount; | |||
3832 | } else if (!FoundFriend->getFriendDecl() == !FD->getFriendDecl() && | |||
3833 | GetCanTypeOrDecl(FoundFriend) == TypeOrDecl) { | |||
3834 | ++FriendCount; | |||
3835 | } | |||
3836 | } | |||
3837 | ||||
3838 | assert(FriendPosition && "Friend decl not found in own parent.")((void)0); | |||
3839 | ||||
3840 | return {FriendCount, *FriendPosition}; | |||
3841 | } | |||
3842 | ||||
3843 | static FriendCountAndPosition getFriendCountAndPosition(const FriendDecl *FD) { | |||
3844 | if (FD->getFriendType()) | |||
3845 | return getFriendCountAndPosition<QualType>(FD, [](const FriendDecl *F) { | |||
3846 | if (TypeSourceInfo *TSI = F->getFriendType()) | |||
3847 | return TSI->getType().getCanonicalType(); | |||
3848 | llvm_unreachable("Wrong friend object type.")__builtin_unreachable(); | |||
3849 | }); | |||
3850 | else | |||
3851 | return getFriendCountAndPosition<Decl *>(FD, [](const FriendDecl *F) { | |||
3852 | if (Decl *D = F->getFriendDecl()) | |||
3853 | return D->getCanonicalDecl(); | |||
3854 | llvm_unreachable("Wrong friend object type.")__builtin_unreachable(); | |||
3855 | }); | |||
3856 | } | |||
3857 | ||||
3858 | ExpectedDecl ASTNodeImporter::VisitFriendDecl(FriendDecl *D) { | |||
3859 | // Import the major distinguishing characteristics of a declaration. | |||
3860 | DeclContext *DC, *LexicalDC; | |||
3861 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | |||
3862 | return std::move(Err); | |||
3863 | ||||
3864 | // Determine whether we've already imported this decl. | |||
3865 | // FriendDecl is not a NamedDecl so we cannot use lookup. | |||
3866 | // We try to maintain order and count of redundant friend declarations. | |||
3867 | const auto *RD = cast<CXXRecordDecl>(DC); | |||
3868 | FriendDecl *ImportedFriend = RD->getFirstFriend(); | |||
3869 | SmallVector<FriendDecl *, 2> ImportedEquivalentFriends; | |||
3870 | ||||
3871 | while (ImportedFriend) { | |||
3872 | bool Match = false; | |||
3873 | if (D->getFriendDecl() && ImportedFriend->getFriendDecl()) { | |||
3874 | Match = | |||
3875 | IsStructuralMatch(D->getFriendDecl(), ImportedFriend->getFriendDecl(), | |||
3876 | /*Complain=*/false); | |||
3877 | } else if (D->getFriendType() && ImportedFriend->getFriendType()) { | |||
3878 | Match = Importer.IsStructurallyEquivalent( | |||
3879 | D->getFriendType()->getType(), | |||
3880 | ImportedFriend->getFriendType()->getType(), /*Complain=*/false); | |||
3881 | } | |||
3882 | if (Match) | |||
3883 | ImportedEquivalentFriends.push_back(ImportedFriend); | |||
3884 | ||||
3885 | ImportedFriend = ImportedFriend->getNextFriend(); | |||
3886 | } | |||
3887 | FriendCountAndPosition CountAndPosition = getFriendCountAndPosition(D); | |||
3888 | ||||
3889 | assert(ImportedEquivalentFriends.size() <= CountAndPosition.TotalCount &&((void)0) | |||
3890 | "Class with non-matching friends is imported, ODR check wrong?")((void)0); | |||
3891 | if (ImportedEquivalentFriends.size() == CountAndPosition.TotalCount) | |||
3892 | return Importer.MapImported( | |||
3893 | D, ImportedEquivalentFriends[CountAndPosition.IndexOfDecl]); | |||
3894 | ||||
3895 | // Not found. Create it. | |||
3896 | // The declarations will be put into order later by ImportDeclContext. | |||
3897 | FriendDecl::FriendUnion ToFU; | |||
3898 | if (NamedDecl *FriendD = D->getFriendDecl()) { | |||
3899 | NamedDecl *ToFriendD; | |||
3900 | if (Error Err = importInto(ToFriendD, FriendD)) | |||
3901 | return std::move(Err); | |||
3902 | ||||
3903 | if (FriendD->getFriendObjectKind() != Decl::FOK_None && | |||
3904 | !(FriendD->isInIdentifierNamespace(Decl::IDNS_NonMemberOperator))) | |||
3905 | ToFriendD->setObjectOfFriendDecl(false); | |||
3906 | ||||
3907 | ToFU = ToFriendD; | |||
3908 | } else { // The friend is a type, not a decl. | |||
3909 | if (auto TSIOrErr = import(D->getFriendType())) | |||
3910 | ToFU = *TSIOrErr; | |||
3911 | else | |||
3912 | return TSIOrErr.takeError(); | |||
3913 | } | |||
3914 | ||||
3915 | SmallVector<TemplateParameterList *, 1> ToTPLists(D->NumTPLists); | |||
3916 | auto **FromTPLists = D->getTrailingObjects<TemplateParameterList *>(); | |||
3917 | for (unsigned I = 0; I < D->NumTPLists; I++) { | |||
3918 | if (auto ListOrErr = import(FromTPLists[I])) | |||
3919 | ToTPLists[I] = *ListOrErr; | |||
3920 | else | |||
3921 | return ListOrErr.takeError(); | |||
3922 | } | |||
3923 | ||||
3924 | auto LocationOrErr = import(D->getLocation()); | |||
3925 | if (!LocationOrErr) | |||
3926 | return LocationOrErr.takeError(); | |||
3927 | auto FriendLocOrErr = import(D->getFriendLoc()); | |||
3928 | if (!FriendLocOrErr) | |||
3929 | return FriendLocOrErr.takeError(); | |||
3930 | ||||
3931 | FriendDecl *FrD; | |||
3932 | if (GetImportedOrCreateDecl(FrD, D, Importer.getToContext(), DC, | |||
3933 | *LocationOrErr, ToFU, | |||
3934 | *FriendLocOrErr, ToTPLists)) | |||
3935 | return FrD; | |||
3936 | ||||
3937 | FrD->setAccess(D->getAccess()); | |||
3938 | FrD->setLexicalDeclContext(LexicalDC); | |||
3939 | LexicalDC->addDeclInternal(FrD); | |||
3940 | return FrD; | |||
3941 | } | |||
3942 | ||||
3943 | ExpectedDecl ASTNodeImporter::VisitObjCIvarDecl(ObjCIvarDecl *D) { | |||
3944 | // Import the major distinguishing characteristics of an ivar. | |||
3945 | DeclContext *DC, *LexicalDC; | |||
3946 | DeclarationName Name; | |||
3947 | SourceLocation Loc; | |||
3948 | NamedDecl *ToD; | |||
3949 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
3950 | return std::move(Err); | |||
3951 | if (ToD) | |||
3952 | return ToD; | |||
3953 | ||||
3954 | // Determine whether we've already imported this ivar | |||
3955 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
3956 | for (auto *FoundDecl : FoundDecls) { | |||
3957 | if (ObjCIvarDecl *FoundIvar = dyn_cast<ObjCIvarDecl>(FoundDecl)) { | |||
3958 | if (Importer.IsStructurallyEquivalent(D->getType(), | |||
3959 | FoundIvar->getType())) { | |||
3960 | Importer.MapImported(D, FoundIvar); | |||
3961 | return FoundIvar; | |||
3962 | } | |||
3963 | ||||
3964 | Importer.ToDiag(Loc, diag::warn_odr_ivar_type_inconsistent) | |||
3965 | << Name << D->getType() << FoundIvar->getType(); | |||
3966 | Importer.ToDiag(FoundIvar->getLocation(), diag::note_odr_value_here) | |||
3967 | << FoundIvar->getType(); | |||
3968 | ||||
3969 | return make_error<ImportError>(ImportError::NameConflict); | |||
3970 | } | |||
3971 | } | |||
3972 | ||||
3973 | Error Err = Error::success(); | |||
3974 | auto ToType = importChecked(Err, D->getType()); | |||
3975 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); | |||
3976 | auto ToBitWidth = importChecked(Err, D->getBitWidth()); | |||
3977 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); | |||
3978 | if (Err) | |||
3979 | return std::move(Err); | |||
3980 | ||||
3981 | ObjCIvarDecl *ToIvar; | |||
3982 | if (GetImportedOrCreateDecl( | |||
3983 | ToIvar, D, Importer.getToContext(), cast<ObjCContainerDecl>(DC), | |||
3984 | ToInnerLocStart, Loc, Name.getAsIdentifierInfo(), | |||
3985 | ToType, ToTypeSourceInfo, | |||
3986 | D->getAccessControl(),ToBitWidth, D->getSynthesize())) | |||
3987 | return ToIvar; | |||
3988 | ||||
3989 | ToIvar->setLexicalDeclContext(LexicalDC); | |||
3990 | LexicalDC->addDeclInternal(ToIvar); | |||
3991 | return ToIvar; | |||
3992 | } | |||
3993 | ||||
3994 | ExpectedDecl ASTNodeImporter::VisitVarDecl(VarDecl *D) { | |||
3995 | ||||
3996 | SmallVector<Decl*, 2> Redecls = getCanonicalForwardRedeclChain(D); | |||
3997 | auto RedeclIt = Redecls.begin(); | |||
3998 | // Import the first part of the decl chain. I.e. import all previous | |||
3999 | // declarations starting from the canonical decl. | |||
4000 | for (; RedeclIt != Redecls.end() && *RedeclIt != D; ++RedeclIt) { | |||
4001 | ExpectedDecl RedeclOrErr = import(*RedeclIt); | |||
4002 | if (!RedeclOrErr) | |||
4003 | return RedeclOrErr.takeError(); | |||
4004 | } | |||
4005 | assert(*RedeclIt == D)((void)0); | |||
4006 | ||||
4007 | // Import the major distinguishing characteristics of a variable. | |||
4008 | DeclContext *DC, *LexicalDC; | |||
4009 | DeclarationName Name; | |||
4010 | SourceLocation Loc; | |||
4011 | NamedDecl *ToD; | |||
4012 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
4013 | return std::move(Err); | |||
4014 | if (ToD) | |||
4015 | return ToD; | |||
4016 | ||||
4017 | // Try to find a variable in our own ("to") context with the same name and | |||
4018 | // in the same context as the variable we're importing. | |||
4019 | VarDecl *FoundByLookup = nullptr; | |||
4020 | if (D->isFileVarDecl()) { | |||
4021 | SmallVector<NamedDecl *, 4> ConflictingDecls; | |||
4022 | unsigned IDNS = Decl::IDNS_Ordinary; | |||
4023 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
4024 | for (auto *FoundDecl : FoundDecls) { | |||
4025 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | |||
4026 | continue; | |||
4027 | ||||
4028 | if (auto *FoundVar = dyn_cast<VarDecl>(FoundDecl)) { | |||
4029 | if (!hasSameVisibilityContextAndLinkage(FoundVar, D)) | |||
4030 | continue; | |||
4031 | if (Importer.IsStructurallyEquivalent(D->getType(), | |||
4032 | FoundVar->getType())) { | |||
4033 | ||||
4034 | // The VarDecl in the "From" context has a definition, but in the | |||
4035 | // "To" context we already have a definition. | |||
4036 | VarDecl *FoundDef = FoundVar->getDefinition(); | |||
4037 | if (D->isThisDeclarationADefinition() && FoundDef) | |||
4038 | // FIXME Check for ODR error if the two definitions have | |||
4039 | // different initializers? | |||
4040 | return Importer.MapImported(D, FoundDef); | |||
4041 | ||||
4042 | // The VarDecl in the "From" context has an initializer, but in the | |||
4043 | // "To" context we already have an initializer. | |||
4044 | const VarDecl *FoundDInit = nullptr; | |||
4045 | if (D->getInit() && FoundVar->getAnyInitializer(FoundDInit)) | |||
4046 | // FIXME Diagnose ODR error if the two initializers are different? | |||
4047 | return Importer.MapImported(D, const_cast<VarDecl*>(FoundDInit)); | |||
4048 | ||||
4049 | FoundByLookup = FoundVar; | |||
4050 | break; | |||
4051 | } | |||
4052 | ||||
4053 | const ArrayType *FoundArray | |||
4054 | = Importer.getToContext().getAsArrayType(FoundVar->getType()); | |||
4055 | const ArrayType *TArray | |||
4056 | = Importer.getToContext().getAsArrayType(D->getType()); | |||
4057 | if (FoundArray && TArray) { | |||
4058 | if (isa<IncompleteArrayType>(FoundArray) && | |||
4059 | isa<ConstantArrayType>(TArray)) { | |||
4060 | // Import the type. | |||
4061 | if (auto TyOrErr = import(D->getType())) | |||
4062 | FoundVar->setType(*TyOrErr); | |||
4063 | else | |||
4064 | return TyOrErr.takeError(); | |||
4065 | ||||
4066 | FoundByLookup = FoundVar; | |||
4067 | break; | |||
4068 | } else if (isa<IncompleteArrayType>(TArray) && | |||
4069 | isa<ConstantArrayType>(FoundArray)) { | |||
4070 | FoundByLookup = FoundVar; | |||
4071 | break; | |||
4072 | } | |||
4073 | } | |||
4074 | ||||
4075 | Importer.ToDiag(Loc, diag::warn_odr_variable_type_inconsistent) | |||
4076 | << Name << D->getType() << FoundVar->getType(); | |||
4077 | Importer.ToDiag(FoundVar->getLocation(), diag::note_odr_value_here) | |||
4078 | << FoundVar->getType(); | |||
4079 | ConflictingDecls.push_back(FoundDecl); | |||
4080 | } | |||
4081 | } | |||
4082 | ||||
4083 | if (!ConflictingDecls.empty()) { | |||
4084 | ExpectedName NameOrErr = Importer.HandleNameConflict( | |||
4085 | Name, DC, IDNS, ConflictingDecls.data(), ConflictingDecls.size()); | |||
4086 | if (NameOrErr) | |||
4087 | Name = NameOrErr.get(); | |||
4088 | else | |||
4089 | return NameOrErr.takeError(); | |||
4090 | } | |||
4091 | } | |||
4092 | ||||
4093 | Error Err = Error::success(); | |||
4094 | auto ToType = importChecked(Err, D->getType()); | |||
4095 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); | |||
4096 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); | |||
4097 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | |||
4098 | if (Err) | |||
4099 | return std::move(Err); | |||
4100 | ||||
4101 | VarDecl *ToVar; | |||
4102 | if (auto *FromDecomp = dyn_cast<DecompositionDecl>(D)) { | |||
4103 | SmallVector<BindingDecl *> Bindings(FromDecomp->bindings().size()); | |||
4104 | if (Error Err = | |||
4105 | ImportArrayChecked(FromDecomp->bindings(), Bindings.begin())) | |||
4106 | return std::move(Err); | |||
4107 | DecompositionDecl *ToDecomp; | |||
4108 | if (GetImportedOrCreateDecl( | |||
4109 | ToDecomp, FromDecomp, Importer.getToContext(), DC, ToInnerLocStart, | |||
4110 | Loc, ToType, ToTypeSourceInfo, D->getStorageClass(), Bindings)) | |||
4111 | return ToDecomp; | |||
4112 | ToVar = ToDecomp; | |||
4113 | } else { | |||
4114 | // Create the imported variable. | |||
4115 | if (GetImportedOrCreateDecl(ToVar, D, Importer.getToContext(), DC, | |||
4116 | ToInnerLocStart, Loc, | |||
4117 | Name.getAsIdentifierInfo(), ToType, | |||
4118 | ToTypeSourceInfo, D->getStorageClass())) | |||
4119 | return ToVar; | |||
4120 | } | |||
4121 | ||||
4122 | ToVar->setTSCSpec(D->getTSCSpec()); | |||
4123 | ToVar->setQualifierInfo(ToQualifierLoc); | |||
4124 | ToVar->setAccess(D->getAccess()); | |||
4125 | ToVar->setLexicalDeclContext(LexicalDC); | |||
4126 | ||||
4127 | if (FoundByLookup) { | |||
4128 | auto *Recent = const_cast<VarDecl *>(FoundByLookup->getMostRecentDecl()); | |||
4129 | ToVar->setPreviousDecl(Recent); | |||
4130 | } | |||
4131 | ||||
4132 | // Import the described template, if any. | |||
4133 | if (D->getDescribedVarTemplate()) { | |||
4134 | auto ToVTOrErr = import(D->getDescribedVarTemplate()); | |||
4135 | if (!ToVTOrErr) | |||
4136 | return ToVTOrErr.takeError(); | |||
4137 | } | |||
4138 | ||||
4139 | if (Error Err = ImportInitializer(D, ToVar)) | |||
4140 | return std::move(Err); | |||
4141 | ||||
4142 | if (D->isConstexpr()) | |||
4143 | ToVar->setConstexpr(true); | |||
4144 | ||||
4145 | addDeclToContexts(D, ToVar); | |||
4146 | ||||
4147 | // Import the rest of the chain. I.e. import all subsequent declarations. | |||
4148 | for (++RedeclIt; RedeclIt != Redecls.end(); ++RedeclIt) { | |||
4149 | ExpectedDecl RedeclOrErr = import(*RedeclIt); | |||
4150 | if (!RedeclOrErr) | |||
4151 | return RedeclOrErr.takeError(); | |||
4152 | } | |||
4153 | ||||
4154 | return ToVar; | |||
4155 | } | |||
4156 | ||||
4157 | ExpectedDecl ASTNodeImporter::VisitImplicitParamDecl(ImplicitParamDecl *D) { | |||
4158 | // Parameters are created in the translation unit's context, then moved | |||
4159 | // into the function declaration's context afterward. | |||
4160 | DeclContext *DC = Importer.getToContext().getTranslationUnitDecl(); | |||
4161 | ||||
4162 | Error Err = Error::success(); | |||
4163 | auto ToDeclName = importChecked(Err, D->getDeclName()); | |||
4164 | auto ToLocation = importChecked(Err, D->getLocation()); | |||
4165 | auto ToType = importChecked(Err, D->getType()); | |||
4166 | if (Err) | |||
4167 | return std::move(Err); | |||
4168 | ||||
4169 | // Create the imported parameter. | |||
4170 | ImplicitParamDecl *ToParm = nullptr; | |||
4171 | if (GetImportedOrCreateDecl(ToParm, D, Importer.getToContext(), DC, | |||
4172 | ToLocation, ToDeclName.getAsIdentifierInfo(), | |||
4173 | ToType, D->getParameterKind())) | |||
4174 | return ToParm; | |||
4175 | return ToParm; | |||
4176 | } | |||
4177 | ||||
4178 | Error ASTNodeImporter::ImportDefaultArgOfParmVarDecl( | |||
4179 | const ParmVarDecl *FromParam, ParmVarDecl *ToParam) { | |||
4180 | ToParam->setHasInheritedDefaultArg(FromParam->hasInheritedDefaultArg()); | |||
4181 | ToParam->setKNRPromoted(FromParam->isKNRPromoted()); | |||
4182 | ||||
4183 | if (FromParam->hasUninstantiatedDefaultArg()) { | |||
4184 | if (auto ToDefArgOrErr = import(FromParam->getUninstantiatedDefaultArg())) | |||
4185 | ToParam->setUninstantiatedDefaultArg(*ToDefArgOrErr); | |||
4186 | else | |||
4187 | return ToDefArgOrErr.takeError(); | |||
4188 | } else if (FromParam->hasUnparsedDefaultArg()) { | |||
4189 | ToParam->setUnparsedDefaultArg(); | |||
4190 | } else if (FromParam->hasDefaultArg()) { | |||
4191 | if (auto ToDefArgOrErr = import(FromParam->getDefaultArg())) | |||
4192 | ToParam->setDefaultArg(*ToDefArgOrErr); | |||
4193 | else | |||
4194 | return ToDefArgOrErr.takeError(); | |||
4195 | } | |||
4196 | ||||
4197 | return Error::success(); | |||
4198 | } | |||
4199 | ||||
4200 | ExpectedDecl ASTNodeImporter::VisitParmVarDecl(ParmVarDecl *D) { | |||
4201 | // Parameters are created in the translation unit's context, then moved | |||
4202 | // into the function declaration's context afterward. | |||
4203 | DeclContext *DC = Importer.getToContext().getTranslationUnitDecl(); | |||
4204 | ||||
4205 | Error Err = Error::success(); | |||
4206 | auto ToDeclName = importChecked(Err, D->getDeclName()); | |||
4207 | auto ToLocation = importChecked(Err, D->getLocation()); | |||
4208 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); | |||
4209 | auto ToType = importChecked(Err, D->getType()); | |||
4210 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); | |||
4211 | if (Err) | |||
4212 | return std::move(Err); | |||
4213 | ||||
4214 | ParmVarDecl *ToParm; | |||
4215 | if (GetImportedOrCreateDecl(ToParm, D, Importer.getToContext(), DC, | |||
4216 | ToInnerLocStart, ToLocation, | |||
4217 | ToDeclName.getAsIdentifierInfo(), ToType, | |||
4218 | ToTypeSourceInfo, D->getStorageClass(), | |||
4219 | /*DefaultArg*/ nullptr)) | |||
4220 | return ToParm; | |||
4221 | ||||
4222 | // Set the default argument. It should be no problem if it was already done. | |||
4223 | // Do not import the default expression before GetImportedOrCreateDecl call | |||
4224 | // to avoid possible infinite import loop because circular dependency. | |||
4225 | if (Error Err = ImportDefaultArgOfParmVarDecl(D, ToParm)) | |||
4226 | return std::move(Err); | |||
4227 | ||||
4228 | if (D->isObjCMethodParameter()) { | |||
4229 | ToParm->setObjCMethodScopeInfo(D->getFunctionScopeIndex()); | |||
4230 | ToParm->setObjCDeclQualifier(D->getObjCDeclQualifier()); | |||
4231 | } else { | |||
4232 | ToParm->setScopeInfo(D->getFunctionScopeDepth(), | |||
4233 | D->getFunctionScopeIndex()); | |||
4234 | } | |||
4235 | ||||
4236 | return ToParm; | |||
4237 | } | |||
4238 | ||||
4239 | ExpectedDecl ASTNodeImporter::VisitObjCMethodDecl(ObjCMethodDecl *D) { | |||
4240 | // Import the major distinguishing characteristics of a method. | |||
4241 | DeclContext *DC, *LexicalDC; | |||
4242 | DeclarationName Name; | |||
4243 | SourceLocation Loc; | |||
4244 | NamedDecl *ToD; | |||
4245 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
4246 | return std::move(Err); | |||
4247 | if (ToD) | |||
4248 | return ToD; | |||
4249 | ||||
4250 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
4251 | for (auto *FoundDecl : FoundDecls) { | |||
4252 | if (auto *FoundMethod = dyn_cast<ObjCMethodDecl>(FoundDecl)) { | |||
4253 | if (FoundMethod->isInstanceMethod() != D->isInstanceMethod()) | |||
4254 | continue; | |||
4255 | ||||
4256 | // Check return types. | |||
4257 | if (!Importer.IsStructurallyEquivalent(D->getReturnType(), | |||
4258 | FoundMethod->getReturnType())) { | |||
4259 | Importer.ToDiag(Loc, diag::warn_odr_objc_method_result_type_inconsistent) | |||
4260 | << D->isInstanceMethod() << Name << D->getReturnType() | |||
4261 | << FoundMethod->getReturnType(); | |||
4262 | Importer.ToDiag(FoundMethod->getLocation(), | |||
4263 | diag::note_odr_objc_method_here) | |||
4264 | << D->isInstanceMethod() << Name; | |||
4265 | ||||
4266 | return make_error<ImportError>(ImportError::NameConflict); | |||
4267 | } | |||
4268 | ||||
4269 | // Check the number of parameters. | |||
4270 | if (D->param_size() != FoundMethod->param_size()) { | |||
4271 | Importer.ToDiag(Loc, diag::warn_odr_objc_method_num_params_inconsistent) | |||
4272 | << D->isInstanceMethod() << Name | |||
4273 | << D->param_size() << FoundMethod->param_size(); | |||
4274 | Importer.ToDiag(FoundMethod->getLocation(), | |||
4275 | diag::note_odr_objc_method_here) | |||
4276 | << D->isInstanceMethod() << Name; | |||
4277 | ||||
4278 | return make_error<ImportError>(ImportError::NameConflict); | |||
4279 | } | |||
4280 | ||||
4281 | // Check parameter types. | |||
4282 | for (ObjCMethodDecl::param_iterator P = D->param_begin(), | |||
4283 | PEnd = D->param_end(), FoundP = FoundMethod->param_begin(); | |||
4284 | P != PEnd; ++P, ++FoundP) { | |||
4285 | if (!Importer.IsStructurallyEquivalent((*P)->getType(), | |||
4286 | (*FoundP)->getType())) { | |||
4287 | Importer.FromDiag((*P)->getLocation(), | |||
4288 | diag::warn_odr_objc_method_param_type_inconsistent) | |||
4289 | << D->isInstanceMethod() << Name | |||
4290 | << (*P)->getType() << (*FoundP)->getType(); | |||
4291 | Importer.ToDiag((*FoundP)->getLocation(), diag::note_odr_value_here) | |||
4292 | << (*FoundP)->getType(); | |||
4293 | ||||
4294 | return make_error<ImportError>(ImportError::NameConflict); | |||
4295 | } | |||
4296 | } | |||
4297 | ||||
4298 | // Check variadic/non-variadic. | |||
4299 | // Check the number of parameters. | |||
4300 | if (D->isVariadic() != FoundMethod->isVariadic()) { | |||
4301 | Importer.ToDiag(Loc, diag::warn_odr_objc_method_variadic_inconsistent) | |||
4302 | << D->isInstanceMethod() << Name; | |||
4303 | Importer.ToDiag(FoundMethod->getLocation(), | |||
4304 | diag::note_odr_objc_method_here) | |||
4305 | << D->isInstanceMethod() << Name; | |||
4306 | ||||
4307 | return make_error<ImportError>(ImportError::NameConflict); | |||
4308 | } | |||
4309 | ||||
4310 | // FIXME: Any other bits we need to merge? | |||
4311 | return Importer.MapImported(D, FoundMethod); | |||
4312 | } | |||
4313 | } | |||
4314 | ||||
4315 | Error Err = Error::success(); | |||
4316 | auto ToEndLoc = importChecked(Err, D->getEndLoc()); | |||
4317 | auto ToReturnType = importChecked(Err, D->getReturnType()); | |||
4318 | auto ToReturnTypeSourceInfo = | |||
4319 | importChecked(Err, D->getReturnTypeSourceInfo()); | |||
4320 | if (Err) | |||
4321 | return std::move(Err); | |||
4322 | ||||
4323 | ObjCMethodDecl *ToMethod; | |||
4324 | if (GetImportedOrCreateDecl( | |||
4325 | ToMethod, D, Importer.getToContext(), Loc, ToEndLoc, | |||
4326 | Name.getObjCSelector(), ToReturnType, ToReturnTypeSourceInfo, DC, | |||
4327 | D->isInstanceMethod(), D->isVariadic(), D->isPropertyAccessor(), | |||
4328 | D->isSynthesizedAccessorStub(), D->isImplicit(), D->isDefined(), | |||
4329 | D->getImplementationControl(), D->hasRelatedResultType())) | |||
4330 | return ToMethod; | |||
4331 | ||||
4332 | // FIXME: When we decide to merge method definitions, we'll need to | |||
4333 | // deal with implicit parameters. | |||
4334 | ||||
4335 | // Import the parameters | |||
4336 | SmallVector<ParmVarDecl *, 5> ToParams; | |||
4337 | for (auto *FromP : D->parameters()) { | |||
4338 | if (Expected<ParmVarDecl *> ToPOrErr = import(FromP)) | |||
4339 | ToParams.push_back(*ToPOrErr); | |||
4340 | else | |||
4341 | return ToPOrErr.takeError(); | |||
4342 | } | |||
4343 | ||||
4344 | // Set the parameters. | |||
4345 | for (auto *ToParam : ToParams) { | |||
4346 | ToParam->setOwningFunction(ToMethod); | |||
4347 | ToMethod->addDeclInternal(ToParam); | |||
4348 | } | |||
4349 | ||||
4350 | SmallVector<SourceLocation, 12> FromSelLocs; | |||
4351 | D->getSelectorLocs(FromSelLocs); | |||
4352 | SmallVector<SourceLocation, 12> ToSelLocs(FromSelLocs.size()); | |||
4353 | if (Error Err = ImportContainerChecked(FromSelLocs, ToSelLocs)) | |||
4354 | return std::move(Err); | |||
4355 | ||||
4356 | ToMethod->setMethodParams(Importer.getToContext(), ToParams, ToSelLocs); | |||
4357 | ||||
4358 | ToMethod->setLexicalDeclContext(LexicalDC); | |||
4359 | LexicalDC->addDeclInternal(ToMethod); | |||
4360 | ||||
4361 | // Implicit params are declared when Sema encounters the definition but this | |||
4362 | // never happens when the method is imported. Manually declare the implicit | |||
4363 | // params now that the MethodDecl knows its class interface. | |||
4364 | if (D->getSelfDecl()) | |||
4365 | ToMethod->createImplicitParams(Importer.getToContext(), | |||
4366 | ToMethod->getClassInterface()); | |||
4367 | ||||
4368 | return ToMethod; | |||
4369 | } | |||
4370 | ||||
4371 | ExpectedDecl ASTNodeImporter::VisitObjCTypeParamDecl(ObjCTypeParamDecl *D) { | |||
4372 | // Import the major distinguishing characteristics of a category. | |||
4373 | DeclContext *DC, *LexicalDC; | |||
4374 | DeclarationName Name; | |||
4375 | SourceLocation Loc; | |||
4376 | NamedDecl *ToD; | |||
4377 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
4378 | return std::move(Err); | |||
4379 | if (ToD) | |||
4380 | return ToD; | |||
4381 | ||||
4382 | Error Err = Error::success(); | |||
4383 | auto ToVarianceLoc = importChecked(Err, D->getVarianceLoc()); | |||
4384 | auto ToLocation = importChecked(Err, D->getLocation()); | |||
4385 | auto ToColonLoc = importChecked(Err, D->getColonLoc()); | |||
4386 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); | |||
4387 | if (Err) | |||
4388 | return std::move(Err); | |||
4389 | ||||
4390 | ObjCTypeParamDecl *Result; | |||
4391 | if (GetImportedOrCreateDecl( | |||
4392 | Result, D, Importer.getToContext(), DC, D->getVariance(), | |||
4393 | ToVarianceLoc, D->getIndex(), | |||
4394 | ToLocation, Name.getAsIdentifierInfo(), | |||
4395 | ToColonLoc, ToTypeSourceInfo)) | |||
4396 | return Result; | |||
4397 | ||||
4398 | Result->setLexicalDeclContext(LexicalDC); | |||
4399 | return Result; | |||
4400 | } | |||
4401 | ||||
4402 | ExpectedDecl ASTNodeImporter::VisitObjCCategoryDecl(ObjCCategoryDecl *D) { | |||
4403 | // Import the major distinguishing characteristics of a category. | |||
4404 | DeclContext *DC, *LexicalDC; | |||
4405 | DeclarationName Name; | |||
4406 | SourceLocation Loc; | |||
4407 | NamedDecl *ToD; | |||
4408 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
4409 | return std::move(Err); | |||
4410 | if (ToD) | |||
4411 | return ToD; | |||
4412 | ||||
4413 | ObjCInterfaceDecl *ToInterface; | |||
4414 | if (Error Err = importInto(ToInterface, D->getClassInterface())) | |||
4415 | return std::move(Err); | |||
4416 | ||||
4417 | // Determine if we've already encountered this category. | |||
4418 | ObjCCategoryDecl *MergeWithCategory | |||
4419 | = ToInterface->FindCategoryDeclaration(Name.getAsIdentifierInfo()); | |||
4420 | ObjCCategoryDecl *ToCategory = MergeWithCategory; | |||
4421 | if (!ToCategory) { | |||
4422 | ||||
4423 | Error Err = Error::success(); | |||
4424 | auto ToAtStartLoc = importChecked(Err, D->getAtStartLoc()); | |||
4425 | auto ToCategoryNameLoc = importChecked(Err, D->getCategoryNameLoc()); | |||
4426 | auto ToIvarLBraceLoc = importChecked(Err, D->getIvarLBraceLoc()); | |||
4427 | auto ToIvarRBraceLoc = importChecked(Err, D->getIvarRBraceLoc()); | |||
4428 | if (Err) | |||
4429 | return std::move(Err); | |||
4430 | ||||
4431 | if (GetImportedOrCreateDecl(ToCategory, D, Importer.getToContext(), DC, | |||
4432 | ToAtStartLoc, Loc, | |||
4433 | ToCategoryNameLoc, | |||
4434 | Name.getAsIdentifierInfo(), ToInterface, | |||
4435 | /*TypeParamList=*/nullptr, | |||
4436 | ToIvarLBraceLoc, | |||
4437 | ToIvarRBraceLoc)) | |||
4438 | return ToCategory; | |||
4439 | ||||
4440 | ToCategory->setLexicalDeclContext(LexicalDC); | |||
4441 | LexicalDC->addDeclInternal(ToCategory); | |||
4442 | // Import the type parameter list after MapImported, to avoid | |||
4443 | // loops when bringing in their DeclContext. | |||
4444 | if (auto PListOrErr = ImportObjCTypeParamList(D->getTypeParamList())) | |||
4445 | ToCategory->setTypeParamList(*PListOrErr); | |||
4446 | else | |||
4447 | return PListOrErr.takeError(); | |||
4448 | ||||
4449 | // Import protocols | |||
4450 | SmallVector<ObjCProtocolDecl *, 4> Protocols; | |||
4451 | SmallVector<SourceLocation, 4> ProtocolLocs; | |||
4452 | ObjCCategoryDecl::protocol_loc_iterator FromProtoLoc | |||
4453 | = D->protocol_loc_begin(); | |||
4454 | for (ObjCCategoryDecl::protocol_iterator FromProto = D->protocol_begin(), | |||
4455 | FromProtoEnd = D->protocol_end(); | |||
4456 | FromProto != FromProtoEnd; | |||
4457 | ++FromProto, ++FromProtoLoc) { | |||
4458 | if (Expected<ObjCProtocolDecl *> ToProtoOrErr = import(*FromProto)) | |||
4459 | Protocols.push_back(*ToProtoOrErr); | |||
4460 | else | |||
4461 | return ToProtoOrErr.takeError(); | |||
4462 | ||||
4463 | if (ExpectedSLoc ToProtoLocOrErr = import(*FromProtoLoc)) | |||
4464 | ProtocolLocs.push_back(*ToProtoLocOrErr); | |||
4465 | else | |||
4466 | return ToProtoLocOrErr.takeError(); | |||
4467 | } | |||
4468 | ||||
4469 | // FIXME: If we're merging, make sure that the protocol list is the same. | |||
4470 | ToCategory->setProtocolList(Protocols.data(), Protocols.size(), | |||
4471 | ProtocolLocs.data(), Importer.getToContext()); | |||
4472 | ||||
4473 | } else { | |||
4474 | Importer.MapImported(D, ToCategory); | |||
4475 | } | |||
4476 | ||||
4477 | // Import all of the members of this category. | |||
4478 | if (Error Err = ImportDeclContext(D)) | |||
4479 | return std::move(Err); | |||
4480 | ||||
4481 | // If we have an implementation, import it as well. | |||
4482 | if (D->getImplementation()) { | |||
4483 | if (Expected<ObjCCategoryImplDecl *> ToImplOrErr = | |||
4484 | import(D->getImplementation())) | |||
4485 | ToCategory->setImplementation(*ToImplOrErr); | |||
4486 | else | |||
4487 | return ToImplOrErr.takeError(); | |||
4488 | } | |||
4489 | ||||
4490 | return ToCategory; | |||
4491 | } | |||
4492 | ||||
4493 | Error ASTNodeImporter::ImportDefinition( | |||
4494 | ObjCProtocolDecl *From, ObjCProtocolDecl *To, ImportDefinitionKind Kind) { | |||
4495 | if (To->getDefinition()) { | |||
4496 | if (shouldForceImportDeclContext(Kind)) | |||
4497 | if (Error Err = ImportDeclContext(From)) | |||
4498 | return Err; | |||
4499 | return Error::success(); | |||
4500 | } | |||
4501 | ||||
4502 | // Start the protocol definition | |||
4503 | To->startDefinition(); | |||
4504 | ||||
4505 | // Import protocols | |||
4506 | SmallVector<ObjCProtocolDecl *, 4> Protocols; | |||
4507 | SmallVector<SourceLocation, 4> ProtocolLocs; | |||
4508 | ObjCProtocolDecl::protocol_loc_iterator FromProtoLoc = | |||
4509 | From->protocol_loc_begin(); | |||
4510 | for (ObjCProtocolDecl::protocol_iterator FromProto = From->protocol_begin(), | |||
4511 | FromProtoEnd = From->protocol_end(); | |||
4512 | FromProto != FromProtoEnd; | |||
4513 | ++FromProto, ++FromProtoLoc) { | |||
4514 | if (Expected<ObjCProtocolDecl *> ToProtoOrErr = import(*FromProto)) | |||
4515 | Protocols.push_back(*ToProtoOrErr); | |||
4516 | else | |||
4517 | return ToProtoOrErr.takeError(); | |||
4518 | ||||
4519 | if (ExpectedSLoc ToProtoLocOrErr = import(*FromProtoLoc)) | |||
4520 | ProtocolLocs.push_back(*ToProtoLocOrErr); | |||
4521 | else | |||
4522 | return ToProtoLocOrErr.takeError(); | |||
4523 | ||||
4524 | } | |||
4525 | ||||
4526 | // FIXME: If we're merging, make sure that the protocol list is the same. | |||
4527 | To->setProtocolList(Protocols.data(), Protocols.size(), | |||
4528 | ProtocolLocs.data(), Importer.getToContext()); | |||
4529 | ||||
4530 | if (shouldForceImportDeclContext(Kind)) { | |||
4531 | // Import all of the members of this protocol. | |||
4532 | if (Error Err = ImportDeclContext(From, /*ForceImport=*/true)) | |||
4533 | return Err; | |||
4534 | } | |||
4535 | return Error::success(); | |||
4536 | } | |||
4537 | ||||
4538 | ExpectedDecl ASTNodeImporter::VisitObjCProtocolDecl(ObjCProtocolDecl *D) { | |||
4539 | // If this protocol has a definition in the translation unit we're coming | |||
4540 | // from, but this particular declaration is not that definition, import the | |||
4541 | // definition and map to that. | |||
4542 | ObjCProtocolDecl *Definition = D->getDefinition(); | |||
4543 | if (Definition && Definition != D) { | |||
4544 | if (ExpectedDecl ImportedDefOrErr = import(Definition)) | |||
4545 | return Importer.MapImported(D, *ImportedDefOrErr); | |||
4546 | else | |||
4547 | return ImportedDefOrErr.takeError(); | |||
4548 | } | |||
4549 | ||||
4550 | // Import the major distinguishing characteristics of a protocol. | |||
4551 | DeclContext *DC, *LexicalDC; | |||
4552 | DeclarationName Name; | |||
4553 | SourceLocation Loc; | |||
4554 | NamedDecl *ToD; | |||
4555 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
4556 | return std::move(Err); | |||
4557 | if (ToD) | |||
4558 | return ToD; | |||
4559 | ||||
4560 | ObjCProtocolDecl *MergeWithProtocol = nullptr; | |||
4561 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
4562 | for (auto *FoundDecl : FoundDecls) { | |||
4563 | if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_ObjCProtocol)) | |||
4564 | continue; | |||
4565 | ||||
4566 | if ((MergeWithProtocol = dyn_cast<ObjCProtocolDecl>(FoundDecl))) | |||
4567 | break; | |||
4568 | } | |||
4569 | ||||
4570 | ObjCProtocolDecl *ToProto = MergeWithProtocol; | |||
4571 | if (!ToProto) { | |||
4572 | auto ToAtBeginLocOrErr = import(D->getAtStartLoc()); | |||
4573 | if (!ToAtBeginLocOrErr) | |||
4574 | return ToAtBeginLocOrErr.takeError(); | |||
4575 | ||||
4576 | if (GetImportedOrCreateDecl(ToProto, D, Importer.getToContext(), DC, | |||
4577 | Name.getAsIdentifierInfo(), Loc, | |||
4578 | *ToAtBeginLocOrErr, | |||
4579 | /*PrevDecl=*/nullptr)) | |||
4580 | return ToProto; | |||
4581 | ToProto->setLexicalDeclContext(LexicalDC); | |||
4582 | LexicalDC->addDeclInternal(ToProto); | |||
4583 | } | |||
4584 | ||||
4585 | Importer.MapImported(D, ToProto); | |||
4586 | ||||
4587 | if (D->isThisDeclarationADefinition()) | |||
4588 | if (Error Err = ImportDefinition(D, ToProto)) | |||
4589 | return std::move(Err); | |||
4590 | ||||
4591 | return ToProto; | |||
4592 | } | |||
4593 | ||||
4594 | ExpectedDecl ASTNodeImporter::VisitLinkageSpecDecl(LinkageSpecDecl *D) { | |||
4595 | DeclContext *DC, *LexicalDC; | |||
4596 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | |||
4597 | return std::move(Err); | |||
4598 | ||||
4599 | ExpectedSLoc ExternLocOrErr = import(D->getExternLoc()); | |||
4600 | if (!ExternLocOrErr) | |||
4601 | return ExternLocOrErr.takeError(); | |||
4602 | ||||
4603 | ExpectedSLoc LangLocOrErr = import(D->getLocation()); | |||
4604 | if (!LangLocOrErr) | |||
4605 | return LangLocOrErr.takeError(); | |||
4606 | ||||
4607 | bool HasBraces = D->hasBraces(); | |||
4608 | ||||
4609 | LinkageSpecDecl *ToLinkageSpec; | |||
4610 | if (GetImportedOrCreateDecl(ToLinkageSpec, D, Importer.getToContext(), DC, | |||
4611 | *ExternLocOrErr, *LangLocOrErr, | |||
4612 | D->getLanguage(), HasBraces)) | |||
4613 | return ToLinkageSpec; | |||
4614 | ||||
4615 | if (HasBraces) { | |||
4616 | ExpectedSLoc RBraceLocOrErr = import(D->getRBraceLoc()); | |||
4617 | if (!RBraceLocOrErr) | |||
4618 | return RBraceLocOrErr.takeError(); | |||
4619 | ToLinkageSpec->setRBraceLoc(*RBraceLocOrErr); | |||
4620 | } | |||
4621 | ||||
4622 | ToLinkageSpec->setLexicalDeclContext(LexicalDC); | |||
4623 | LexicalDC->addDeclInternal(ToLinkageSpec); | |||
4624 | ||||
4625 | return ToLinkageSpec; | |||
4626 | } | |||
4627 | ||||
4628 | ExpectedDecl ASTNodeImporter::ImportUsingShadowDecls(BaseUsingDecl *D, | |||
4629 | BaseUsingDecl *ToSI) { | |||
4630 | for (UsingShadowDecl *FromShadow : D->shadows()) { | |||
4631 | if (Expected<UsingShadowDecl *> ToShadowOrErr = import(FromShadow)) | |||
4632 | ToSI->addShadowDecl(*ToShadowOrErr); | |||
4633 | else | |||
4634 | // FIXME: We return error here but the definition is already created | |||
4635 | // and available with lookups. How to fix this?.. | |||
4636 | return ToShadowOrErr.takeError(); | |||
4637 | } | |||
4638 | return ToSI; | |||
4639 | } | |||
4640 | ||||
4641 | ExpectedDecl ASTNodeImporter::VisitUsingDecl(UsingDecl *D) { | |||
4642 | DeclContext *DC, *LexicalDC; | |||
4643 | DeclarationName Name; | |||
4644 | SourceLocation Loc; | |||
4645 | NamedDecl *ToD = nullptr; | |||
4646 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
4647 | return std::move(Err); | |||
4648 | if (ToD) | |||
4649 | return ToD; | |||
4650 | ||||
4651 | Error Err = Error::success(); | |||
4652 | auto ToLoc = importChecked(Err, D->getNameInfo().getLoc()); | |||
4653 | auto ToUsingLoc = importChecked(Err, D->getUsingLoc()); | |||
4654 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | |||
4655 | if (Err) | |||
4656 | return std::move(Err); | |||
4657 | ||||
4658 | DeclarationNameInfo NameInfo(Name, ToLoc); | |||
4659 | if (Error Err = ImportDeclarationNameLoc(D->getNameInfo(), NameInfo)) | |||
4660 | return std::move(Err); | |||
4661 | ||||
4662 | UsingDecl *ToUsing; | |||
4663 | if (GetImportedOrCreateDecl(ToUsing, D, Importer.getToContext(), DC, | |||
4664 | ToUsingLoc, ToQualifierLoc, NameInfo, | |||
4665 | D->hasTypename())) | |||
4666 | return ToUsing; | |||
4667 | ||||
4668 | ToUsing->setLexicalDeclContext(LexicalDC); | |||
4669 | LexicalDC->addDeclInternal(ToUsing); | |||
4670 | ||||
4671 | if (NamedDecl *FromPattern = | |||
4672 | Importer.getFromContext().getInstantiatedFromUsingDecl(D)) { | |||
4673 | if (Expected<NamedDecl *> ToPatternOrErr = import(FromPattern)) | |||
4674 | Importer.getToContext().setInstantiatedFromUsingDecl( | |||
4675 | ToUsing, *ToPatternOrErr); | |||
4676 | else | |||
4677 | return ToPatternOrErr.takeError(); | |||
4678 | } | |||
4679 | ||||
4680 | return ImportUsingShadowDecls(D, ToUsing); | |||
4681 | } | |||
4682 | ||||
4683 | ExpectedDecl ASTNodeImporter::VisitUsingEnumDecl(UsingEnumDecl *D) { | |||
4684 | DeclContext *DC, *LexicalDC; | |||
4685 | DeclarationName Name; | |||
4686 | SourceLocation Loc; | |||
4687 | NamedDecl *ToD = nullptr; | |||
4688 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
4689 | return std::move(Err); | |||
4690 | if (ToD) | |||
4691 | return ToD; | |||
4692 | ||||
4693 | Error Err = Error::success(); | |||
4694 | auto ToUsingLoc = importChecked(Err, D->getUsingLoc()); | |||
4695 | auto ToEnumLoc = importChecked(Err, D->getEnumLoc()); | |||
4696 | auto ToEnumDecl = importChecked(Err, D->getEnumDecl()); | |||
4697 | if (Err) | |||
4698 | return std::move(Err); | |||
4699 | ||||
4700 | UsingEnumDecl *ToUsingEnum; | |||
4701 | if (GetImportedOrCreateDecl(ToUsingEnum, D, Importer.getToContext(), DC, | |||
4702 | ToUsingLoc, ToEnumLoc, Loc, ToEnumDecl)) | |||
4703 | return ToUsingEnum; | |||
4704 | ||||
4705 | ToUsingEnum->setLexicalDeclContext(LexicalDC); | |||
4706 | LexicalDC->addDeclInternal(ToUsingEnum); | |||
4707 | ||||
4708 | if (UsingEnumDecl *FromPattern = | |||
4709 | Importer.getFromContext().getInstantiatedFromUsingEnumDecl(D)) { | |||
4710 | if (Expected<UsingEnumDecl *> ToPatternOrErr = import(FromPattern)) | |||
4711 | Importer.getToContext().setInstantiatedFromUsingEnumDecl(ToUsingEnum, | |||
4712 | *ToPatternOrErr); | |||
4713 | else | |||
4714 | return ToPatternOrErr.takeError(); | |||
4715 | } | |||
4716 | ||||
4717 | return ImportUsingShadowDecls(D, ToUsingEnum); | |||
4718 | } | |||
4719 | ||||
4720 | ExpectedDecl ASTNodeImporter::VisitUsingShadowDecl(UsingShadowDecl *D) { | |||
4721 | DeclContext *DC, *LexicalDC; | |||
4722 | DeclarationName Name; | |||
4723 | SourceLocation Loc; | |||
4724 | NamedDecl *ToD = nullptr; | |||
4725 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
4726 | return std::move(Err); | |||
4727 | if (ToD) | |||
4728 | return ToD; | |||
4729 | ||||
4730 | Expected<BaseUsingDecl *> ToIntroducerOrErr = import(D->getIntroducer()); | |||
4731 | if (!ToIntroducerOrErr) | |||
4732 | return ToIntroducerOrErr.takeError(); | |||
4733 | ||||
4734 | Expected<NamedDecl *> ToTargetOrErr = import(D->getTargetDecl()); | |||
4735 | if (!ToTargetOrErr) | |||
4736 | return ToTargetOrErr.takeError(); | |||
4737 | ||||
4738 | UsingShadowDecl *ToShadow; | |||
4739 | if (GetImportedOrCreateDecl(ToShadow, D, Importer.getToContext(), DC, Loc, | |||
4740 | Name, *ToIntroducerOrErr, *ToTargetOrErr)) | |||
4741 | return ToShadow; | |||
4742 | ||||
4743 | ToShadow->setLexicalDeclContext(LexicalDC); | |||
4744 | ToShadow->setAccess(D->getAccess()); | |||
4745 | ||||
4746 | if (UsingShadowDecl *FromPattern = | |||
4747 | Importer.getFromContext().getInstantiatedFromUsingShadowDecl(D)) { | |||
4748 | if (Expected<UsingShadowDecl *> ToPatternOrErr = import(FromPattern)) | |||
4749 | Importer.getToContext().setInstantiatedFromUsingShadowDecl( | |||
4750 | ToShadow, *ToPatternOrErr); | |||
4751 | else | |||
4752 | // FIXME: We return error here but the definition is already created | |||
4753 | // and available with lookups. How to fix this?.. | |||
4754 | return ToPatternOrErr.takeError(); | |||
4755 | } | |||
4756 | ||||
4757 | LexicalDC->addDeclInternal(ToShadow); | |||
4758 | ||||
4759 | return ToShadow; | |||
4760 | } | |||
4761 | ||||
4762 | ExpectedDecl ASTNodeImporter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { | |||
4763 | DeclContext *DC, *LexicalDC; | |||
4764 | DeclarationName Name; | |||
4765 | SourceLocation Loc; | |||
4766 | NamedDecl *ToD = nullptr; | |||
4767 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
4768 | return std::move(Err); | |||
4769 | if (ToD) | |||
4770 | return ToD; | |||
4771 | ||||
4772 | auto ToComAncestorOrErr = Importer.ImportContext(D->getCommonAncestor()); | |||
4773 | if (!ToComAncestorOrErr) | |||
4774 | return ToComAncestorOrErr.takeError(); | |||
4775 | ||||
4776 | Error Err = Error::success(); | |||
4777 | auto ToNominatedNamespace = importChecked(Err, D->getNominatedNamespace()); | |||
4778 | auto ToUsingLoc = importChecked(Err, D->getUsingLoc()); | |||
4779 | auto ToNamespaceKeyLocation = | |||
4780 | importChecked(Err, D->getNamespaceKeyLocation()); | |||
4781 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | |||
4782 | auto ToIdentLocation = importChecked(Err, D->getIdentLocation()); | |||
4783 | if (Err) | |||
4784 | return std::move(Err); | |||
4785 | ||||
4786 | UsingDirectiveDecl *ToUsingDir; | |||
4787 | if (GetImportedOrCreateDecl(ToUsingDir, D, Importer.getToContext(), DC, | |||
4788 | ToUsingLoc, | |||
4789 | ToNamespaceKeyLocation, | |||
4790 | ToQualifierLoc, | |||
4791 | ToIdentLocation, | |||
4792 | ToNominatedNamespace, *ToComAncestorOrErr)) | |||
4793 | return ToUsingDir; | |||
4794 | ||||
4795 | ToUsingDir->setLexicalDeclContext(LexicalDC); | |||
4796 | LexicalDC->addDeclInternal(ToUsingDir); | |||
4797 | ||||
4798 | return ToUsingDir; | |||
4799 | } | |||
4800 | ||||
4801 | ExpectedDecl ASTNodeImporter::VisitUnresolvedUsingValueDecl( | |||
4802 | UnresolvedUsingValueDecl *D) { | |||
4803 | DeclContext *DC, *LexicalDC; | |||
4804 | DeclarationName Name; | |||
4805 | SourceLocation Loc; | |||
4806 | NamedDecl *ToD = nullptr; | |||
4807 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
4808 | return std::move(Err); | |||
4809 | if (ToD) | |||
4810 | return ToD; | |||
4811 | ||||
4812 | Error Err = Error::success(); | |||
4813 | auto ToLoc = importChecked(Err, D->getNameInfo().getLoc()); | |||
4814 | auto ToUsingLoc = importChecked(Err, D->getUsingLoc()); | |||
4815 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | |||
4816 | auto ToEllipsisLoc = importChecked(Err, D->getEllipsisLoc()); | |||
4817 | if (Err) | |||
4818 | return std::move(Err); | |||
4819 | ||||
4820 | DeclarationNameInfo NameInfo(Name, ToLoc); | |||
4821 | if (Error Err = ImportDeclarationNameLoc(D->getNameInfo(), NameInfo)) | |||
4822 | return std::move(Err); | |||
4823 | ||||
4824 | UnresolvedUsingValueDecl *ToUsingValue; | |||
4825 | if (GetImportedOrCreateDecl(ToUsingValue, D, Importer.getToContext(), DC, | |||
4826 | ToUsingLoc, ToQualifierLoc, NameInfo, | |||
4827 | ToEllipsisLoc)) | |||
4828 | return ToUsingValue; | |||
4829 | ||||
4830 | ToUsingValue->setAccess(D->getAccess()); | |||
4831 | ToUsingValue->setLexicalDeclContext(LexicalDC); | |||
4832 | LexicalDC->addDeclInternal(ToUsingValue); | |||
4833 | ||||
4834 | return ToUsingValue; | |||
4835 | } | |||
4836 | ||||
4837 | ExpectedDecl ASTNodeImporter::VisitUnresolvedUsingTypenameDecl( | |||
4838 | UnresolvedUsingTypenameDecl *D) { | |||
4839 | DeclContext *DC, *LexicalDC; | |||
4840 | DeclarationName Name; | |||
4841 | SourceLocation Loc; | |||
4842 | NamedDecl *ToD = nullptr; | |||
4843 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
4844 | return std::move(Err); | |||
4845 | if (ToD) | |||
4846 | return ToD; | |||
4847 | ||||
4848 | Error Err = Error::success(); | |||
4849 | auto ToUsingLoc = importChecked(Err, D->getUsingLoc()); | |||
4850 | auto ToTypenameLoc = importChecked(Err, D->getTypenameLoc()); | |||
4851 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | |||
4852 | auto ToEllipsisLoc = importChecked(Err, D->getEllipsisLoc()); | |||
4853 | if (Err) | |||
4854 | return std::move(Err); | |||
4855 | ||||
4856 | UnresolvedUsingTypenameDecl *ToUsing; | |||
4857 | if (GetImportedOrCreateDecl(ToUsing, D, Importer.getToContext(), DC, | |||
4858 | ToUsingLoc, ToTypenameLoc, | |||
4859 | ToQualifierLoc, Loc, Name, ToEllipsisLoc)) | |||
4860 | return ToUsing; | |||
4861 | ||||
4862 | ToUsing->setAccess(D->getAccess()); | |||
4863 | ToUsing->setLexicalDeclContext(LexicalDC); | |||
4864 | LexicalDC->addDeclInternal(ToUsing); | |||
4865 | ||||
4866 | return ToUsing; | |||
4867 | } | |||
4868 | ||||
4869 | ExpectedDecl ASTNodeImporter::VisitBuiltinTemplateDecl(BuiltinTemplateDecl *D) { | |||
4870 | Decl* ToD = nullptr; | |||
4871 | switch (D->getBuiltinTemplateKind()) { | |||
4872 | case BuiltinTemplateKind::BTK__make_integer_seq: | |||
4873 | ToD = Importer.getToContext().getMakeIntegerSeqDecl(); | |||
4874 | break; | |||
4875 | case BuiltinTemplateKind::BTK__type_pack_element: | |||
4876 | ToD = Importer.getToContext().getTypePackElementDecl(); | |||
4877 | break; | |||
4878 | } | |||
4879 | assert(ToD && "BuiltinTemplateDecl of unsupported kind!")((void)0); | |||
4880 | Importer.MapImported(D, ToD); | |||
4881 | return ToD; | |||
4882 | } | |||
4883 | ||||
4884 | Error ASTNodeImporter::ImportDefinition( | |||
4885 | ObjCInterfaceDecl *From, ObjCInterfaceDecl *To, ImportDefinitionKind Kind) { | |||
4886 | if (To->getDefinition()) { | |||
4887 | // Check consistency of superclass. | |||
4888 | ObjCInterfaceDecl *FromSuper = From->getSuperClass(); | |||
4889 | if (FromSuper) { | |||
4890 | if (auto FromSuperOrErr = import(FromSuper)) | |||
4891 | FromSuper = *FromSuperOrErr; | |||
4892 | else | |||
4893 | return FromSuperOrErr.takeError(); | |||
4894 | } | |||
4895 | ||||
4896 | ObjCInterfaceDecl *ToSuper = To->getSuperClass(); | |||
4897 | if ((bool)FromSuper != (bool)ToSuper || | |||
4898 | (FromSuper && !declaresSameEntity(FromSuper, ToSuper))) { | |||
4899 | Importer.ToDiag(To->getLocation(), | |||
4900 | diag::warn_odr_objc_superclass_inconsistent) | |||
4901 | << To->getDeclName(); | |||
4902 | if (ToSuper) | |||
4903 | Importer.ToDiag(To->getSuperClassLoc(), diag::note_odr_objc_superclass) | |||
4904 | << To->getSuperClass()->getDeclName(); | |||
4905 | else | |||
4906 | Importer.ToDiag(To->getLocation(), | |||
4907 | diag::note_odr_objc_missing_superclass); | |||
4908 | if (From->getSuperClass()) | |||
4909 | Importer.FromDiag(From->getSuperClassLoc(), | |||
4910 | diag::note_odr_objc_superclass) | |||
4911 | << From->getSuperClass()->getDeclName(); | |||
4912 | else | |||
4913 | Importer.FromDiag(From->getLocation(), | |||
4914 | diag::note_odr_objc_missing_superclass); | |||
4915 | } | |||
4916 | ||||
4917 | if (shouldForceImportDeclContext(Kind)) | |||
4918 | if (Error Err = ImportDeclContext(From)) | |||
4919 | return Err; | |||
4920 | return Error::success(); | |||
4921 | } | |||
4922 | ||||
4923 | // Start the definition. | |||
4924 | To->startDefinition(); | |||
4925 | ||||
4926 | // If this class has a superclass, import it. | |||
4927 | if (From->getSuperClass()) { | |||
4928 | if (auto SuperTInfoOrErr = import(From->getSuperClassTInfo())) | |||
4929 | To->setSuperClass(*SuperTInfoOrErr); | |||
4930 | else | |||
4931 | return SuperTInfoOrErr.takeError(); | |||
4932 | } | |||
4933 | ||||
4934 | // Import protocols | |||
4935 | SmallVector<ObjCProtocolDecl *, 4> Protocols; | |||
4936 | SmallVector<SourceLocation, 4> ProtocolLocs; | |||
4937 | ObjCInterfaceDecl::protocol_loc_iterator FromProtoLoc = | |||
4938 | From->protocol_loc_begin(); | |||
4939 | ||||
4940 | for (ObjCInterfaceDecl::protocol_iterator FromProto = From->protocol_begin(), | |||
4941 | FromProtoEnd = From->protocol_end(); | |||
4942 | FromProto != FromProtoEnd; | |||
4943 | ++FromProto, ++FromProtoLoc) { | |||
4944 | if (Expected<ObjCProtocolDecl *> ToProtoOrErr = import(*FromProto)) | |||
4945 | Protocols.push_back(*ToProtoOrErr); | |||
4946 | else | |||
4947 | return ToProtoOrErr.takeError(); | |||
4948 | ||||
4949 | if (ExpectedSLoc ToProtoLocOrErr = import(*FromProtoLoc)) | |||
4950 | ProtocolLocs.push_back(*ToProtoLocOrErr); | |||
4951 | else | |||
4952 | return ToProtoLocOrErr.takeError(); | |||
4953 | ||||
4954 | } | |||
4955 | ||||
4956 | // FIXME: If we're merging, make sure that the protocol list is the same. | |||
4957 | To->setProtocolList(Protocols.data(), Protocols.size(), | |||
4958 | ProtocolLocs.data(), Importer.getToContext()); | |||
4959 | ||||
4960 | // Import categories. When the categories themselves are imported, they'll | |||
4961 | // hook themselves into this interface. | |||
4962 | for (auto *Cat : From->known_categories()) { | |||
4963 | auto ToCatOrErr = import(Cat); | |||
4964 | if (!ToCatOrErr) | |||
4965 | return ToCatOrErr.takeError(); | |||
4966 | } | |||
4967 | ||||
4968 | // If we have an @implementation, import it as well. | |||
4969 | if (From->getImplementation()) { | |||
4970 | if (Expected<ObjCImplementationDecl *> ToImplOrErr = | |||
4971 | import(From->getImplementation())) | |||
4972 | To->setImplementation(*ToImplOrErr); | |||
4973 | else | |||
4974 | return ToImplOrErr.takeError(); | |||
4975 | } | |||
4976 | ||||
4977 | // Import all of the members of this class. | |||
4978 | if (Error Err = ImportDeclContext(From, /*ForceImport=*/true)) | |||
4979 | return Err; | |||
4980 | ||||
4981 | return Error::success(); | |||
4982 | } | |||
4983 | ||||
4984 | Expected<ObjCTypeParamList *> | |||
4985 | ASTNodeImporter::ImportObjCTypeParamList(ObjCTypeParamList *list) { | |||
4986 | if (!list) | |||
4987 | return nullptr; | |||
4988 | ||||
4989 | SmallVector<ObjCTypeParamDecl *, 4> toTypeParams; | |||
4990 | for (auto *fromTypeParam : *list) { | |||
4991 | if (auto toTypeParamOrErr = import(fromTypeParam)) | |||
4992 | toTypeParams.push_back(*toTypeParamOrErr); | |||
4993 | else | |||
4994 | return toTypeParamOrErr.takeError(); | |||
4995 | } | |||
4996 | ||||
4997 | auto LAngleLocOrErr = import(list->getLAngleLoc()); | |||
4998 | if (!LAngleLocOrErr) | |||
4999 | return LAngleLocOrErr.takeError(); | |||
5000 | ||||
5001 | auto RAngleLocOrErr = import(list->getRAngleLoc()); | |||
5002 | if (!RAngleLocOrErr) | |||
5003 | return RAngleLocOrErr.takeError(); | |||
5004 | ||||
5005 | return ObjCTypeParamList::create(Importer.getToContext(), | |||
5006 | *LAngleLocOrErr, | |||
5007 | toTypeParams, | |||
5008 | *RAngleLocOrErr); | |||
5009 | } | |||
5010 | ||||
5011 | ExpectedDecl ASTNodeImporter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) { | |||
5012 | // If this class has a definition in the translation unit we're coming from, | |||
5013 | // but this particular declaration is not that definition, import the | |||
5014 | // definition and map to that. | |||
5015 | ObjCInterfaceDecl *Definition = D->getDefinition(); | |||
5016 | if (Definition && Definition != D) { | |||
5017 | if (ExpectedDecl ImportedDefOrErr = import(Definition)) | |||
5018 | return Importer.MapImported(D, *ImportedDefOrErr); | |||
5019 | else | |||
5020 | return ImportedDefOrErr.takeError(); | |||
5021 | } | |||
5022 | ||||
5023 | // Import the major distinguishing characteristics of an @interface. | |||
5024 | DeclContext *DC, *LexicalDC; | |||
5025 | DeclarationName Name; | |||
5026 | SourceLocation Loc; | |||
5027 | NamedDecl *ToD; | |||
5028 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
5029 | return std::move(Err); | |||
5030 | if (ToD) | |||
5031 | return ToD; | |||
5032 | ||||
5033 | // Look for an existing interface with the same name. | |||
5034 | ObjCInterfaceDecl *MergeWithIface = nullptr; | |||
5035 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
5036 | for (auto *FoundDecl : FoundDecls) { | |||
5037 | if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary)) | |||
5038 | continue; | |||
5039 | ||||
5040 | if ((MergeWithIface = dyn_cast<ObjCInterfaceDecl>(FoundDecl))) | |||
5041 | break; | |||
5042 | } | |||
5043 | ||||
5044 | // Create an interface declaration, if one does not already exist. | |||
5045 | ObjCInterfaceDecl *ToIface = MergeWithIface; | |||
5046 | if (!ToIface) { | |||
5047 | ExpectedSLoc AtBeginLocOrErr = import(D->getAtStartLoc()); | |||
5048 | if (!AtBeginLocOrErr) | |||
5049 | return AtBeginLocOrErr.takeError(); | |||
5050 | ||||
5051 | if (GetImportedOrCreateDecl( | |||
5052 | ToIface, D, Importer.getToContext(), DC, | |||
5053 | *AtBeginLocOrErr, Name.getAsIdentifierInfo(), | |||
5054 | /*TypeParamList=*/nullptr, | |||
5055 | /*PrevDecl=*/nullptr, Loc, D->isImplicitInterfaceDecl())) | |||
5056 | return ToIface; | |||
5057 | ToIface->setLexicalDeclContext(LexicalDC); | |||
5058 | LexicalDC->addDeclInternal(ToIface); | |||
5059 | } | |||
5060 | Importer.MapImported(D, ToIface); | |||
5061 | // Import the type parameter list after MapImported, to avoid | |||
5062 | // loops when bringing in their DeclContext. | |||
5063 | if (auto ToPListOrErr = | |||
5064 | ImportObjCTypeParamList(D->getTypeParamListAsWritten())) | |||
5065 | ToIface->setTypeParamList(*ToPListOrErr); | |||
5066 | else | |||
5067 | return ToPListOrErr.takeError(); | |||
5068 | ||||
5069 | if (D->isThisDeclarationADefinition()) | |||
5070 | if (Error Err = ImportDefinition(D, ToIface)) | |||
5071 | return std::move(Err); | |||
5072 | ||||
5073 | return ToIface; | |||
5074 | } | |||
5075 | ||||
5076 | ExpectedDecl | |||
5077 | ASTNodeImporter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) { | |||
5078 | ObjCCategoryDecl *Category; | |||
5079 | if (Error Err = importInto(Category, D->getCategoryDecl())) | |||
5080 | return std::move(Err); | |||
5081 | ||||
5082 | ObjCCategoryImplDecl *ToImpl = Category->getImplementation(); | |||
5083 | if (!ToImpl) { | |||
5084 | DeclContext *DC, *LexicalDC; | |||
5085 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | |||
5086 | return std::move(Err); | |||
5087 | ||||
5088 | Error Err = Error::success(); | |||
5089 | auto ToLocation = importChecked(Err, D->getLocation()); | |||
5090 | auto ToAtStartLoc = importChecked(Err, D->getAtStartLoc()); | |||
5091 | auto ToCategoryNameLoc = importChecked(Err, D->getCategoryNameLoc()); | |||
5092 | if (Err) | |||
5093 | return std::move(Err); | |||
5094 | ||||
5095 | if (GetImportedOrCreateDecl( | |||
5096 | ToImpl, D, Importer.getToContext(), DC, | |||
5097 | Importer.Import(D->getIdentifier()), Category->getClassInterface(), | |||
5098 | ToLocation, ToAtStartLoc, ToCategoryNameLoc)) | |||
5099 | return ToImpl; | |||
5100 | ||||
5101 | ToImpl->setLexicalDeclContext(LexicalDC); | |||
5102 | LexicalDC->addDeclInternal(ToImpl); | |||
5103 | Category->setImplementation(ToImpl); | |||
5104 | } | |||
5105 | ||||
5106 | Importer.MapImported(D, ToImpl); | |||
5107 | if (Error Err = ImportDeclContext(D)) | |||
5108 | return std::move(Err); | |||
5109 | ||||
5110 | return ToImpl; | |||
5111 | } | |||
5112 | ||||
5113 | ExpectedDecl | |||
5114 | ASTNodeImporter::VisitObjCImplementationDecl(ObjCImplementationDecl *D) { | |||
5115 | // Find the corresponding interface. | |||
5116 | ObjCInterfaceDecl *Iface; | |||
5117 | if (Error Err = importInto(Iface, D->getClassInterface())) | |||
5118 | return std::move(Err); | |||
5119 | ||||
5120 | // Import the superclass, if any. | |||
5121 | ObjCInterfaceDecl *Super; | |||
5122 | if (Error Err = importInto(Super, D->getSuperClass())) | |||
5123 | return std::move(Err); | |||
5124 | ||||
5125 | ObjCImplementationDecl *Impl = Iface->getImplementation(); | |||
| ||||
5126 | if (!Impl) { | |||
5127 | // We haven't imported an implementation yet. Create a new @implementation | |||
5128 | // now. | |||
5129 | DeclContext *DC, *LexicalDC; | |||
5130 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | |||
5131 | return std::move(Err); | |||
5132 | ||||
5133 | Error Err = Error::success(); | |||
5134 | auto ToLocation = importChecked(Err, D->getLocation()); | |||
5135 | auto ToAtStartLoc = importChecked(Err, D->getAtStartLoc()); | |||
5136 | auto ToSuperClassLoc = importChecked(Err, D->getSuperClassLoc()); | |||
5137 | auto ToIvarLBraceLoc = importChecked(Err, D->getIvarLBraceLoc()); | |||
5138 | auto ToIvarRBraceLoc = importChecked(Err, D->getIvarRBraceLoc()); | |||
5139 | if (Err) | |||
5140 | return std::move(Err); | |||
5141 | ||||
5142 | if (GetImportedOrCreateDecl(Impl, D, Importer.getToContext(), | |||
5143 | DC, Iface, Super, | |||
5144 | ToLocation, | |||
5145 | ToAtStartLoc, | |||
5146 | ToSuperClassLoc, | |||
5147 | ToIvarLBraceLoc, | |||
5148 | ToIvarRBraceLoc)) | |||
5149 | return Impl; | |||
5150 | ||||
5151 | Impl->setLexicalDeclContext(LexicalDC); | |||
5152 | ||||
5153 | // Associate the implementation with the class it implements. | |||
5154 | Iface->setImplementation(Impl); | |||
5155 | Importer.MapImported(D, Iface->getImplementation()); | |||
5156 | } else { | |||
5157 | Importer.MapImported(D, Iface->getImplementation()); | |||
5158 | ||||
5159 | // Verify that the existing @implementation has the same superclass. | |||
5160 | if ((Super && !Impl->getSuperClass()) || | |||
5161 | (!Super && Impl->getSuperClass()) || | |||
5162 | (Super && Impl->getSuperClass() && | |||
5163 | !declaresSameEntity(Super->getCanonicalDecl(), | |||
5164 | Impl->getSuperClass()))) { | |||
5165 | Importer.ToDiag(Impl->getLocation(), | |||
5166 | diag::warn_odr_objc_superclass_inconsistent) | |||
5167 | << Iface->getDeclName(); | |||
5168 | // FIXME: It would be nice to have the location of the superclass | |||
5169 | // below. | |||
5170 | if (Impl->getSuperClass()) | |||
5171 | Importer.ToDiag(Impl->getLocation(), | |||
5172 | diag::note_odr_objc_superclass) | |||
5173 | << Impl->getSuperClass()->getDeclName(); | |||
5174 | else | |||
5175 | Importer.ToDiag(Impl->getLocation(), | |||
5176 | diag::note_odr_objc_missing_superclass); | |||
5177 | if (D->getSuperClass()) | |||
5178 | Importer.FromDiag(D->getLocation(), | |||
5179 | diag::note_odr_objc_superclass) | |||
5180 | << D->getSuperClass()->getDeclName(); | |||
5181 | else | |||
5182 | Importer.FromDiag(D->getLocation(), | |||
5183 | diag::note_odr_objc_missing_superclass); | |||
5184 | ||||
5185 | return make_error<ImportError>(ImportError::NameConflict); | |||
5186 | } | |||
5187 | } | |||
5188 | ||||
5189 | // Import all of the members of this @implementation. | |||
5190 | if (Error Err = ImportDeclContext(D)) | |||
5191 | return std::move(Err); | |||
5192 | ||||
5193 | return Impl; | |||
5194 | } | |||
5195 | ||||
5196 | ExpectedDecl ASTNodeImporter::VisitObjCPropertyDecl(ObjCPropertyDecl *D) { | |||
5197 | // Import the major distinguishing characteristics of an @property. | |||
5198 | DeclContext *DC, *LexicalDC; | |||
5199 | DeclarationName Name; | |||
5200 | SourceLocation Loc; | |||
5201 | NamedDecl *ToD; | |||
5202 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
5203 | return std::move(Err); | |||
5204 | if (ToD) | |||
5205 | return ToD; | |||
5206 | ||||
5207 | // Check whether we have already imported this property. | |||
5208 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
5209 | for (auto *FoundDecl : FoundDecls) { | |||
5210 | if (auto *FoundProp = dyn_cast<ObjCPropertyDecl>(FoundDecl)) { | |||
5211 | // Instance and class properties can share the same name but are different | |||
5212 | // declarations. | |||
5213 | if (FoundProp->isInstanceProperty() != D->isInstanceProperty()) | |||
5214 | continue; | |||
5215 | ||||
5216 | // Check property types. | |||
5217 | if (!Importer.IsStructurallyEquivalent(D->getType(), | |||
5218 | FoundProp->getType())) { | |||
5219 | Importer.ToDiag(Loc, diag::warn_odr_objc_property_type_inconsistent) | |||
5220 | << Name << D->getType() << FoundProp->getType(); | |||
5221 | Importer.ToDiag(FoundProp->getLocation(), diag::note_odr_value_here) | |||
5222 | << FoundProp->getType(); | |||
5223 | ||||
5224 | return make_error<ImportError>(ImportError::NameConflict); | |||
5225 | } | |||
5226 | ||||
5227 | // FIXME: Check property attributes, getters, setters, etc.? | |||
5228 | ||||
5229 | // Consider these properties to be equivalent. | |||
5230 | Importer.MapImported(D, FoundProp); | |||
5231 | return FoundProp; | |||
5232 | } | |||
5233 | } | |||
5234 | ||||
5235 | Error Err = Error::success(); | |||
5236 | auto ToType = importChecked(Err, D->getType()); | |||
5237 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); | |||
5238 | auto ToAtLoc = importChecked(Err, D->getAtLoc()); | |||
5239 | auto ToLParenLoc = importChecked(Err, D->getLParenLoc()); | |||
5240 | if (Err) | |||
5241 | return std::move(Err); | |||
5242 | ||||
5243 | // Create the new property. | |||
5244 | ObjCPropertyDecl *ToProperty; | |||
5245 | if (GetImportedOrCreateDecl( | |||
5246 | ToProperty, D, Importer.getToContext(), DC, Loc, | |||
5247 | Name.getAsIdentifierInfo(), ToAtLoc, | |||
5248 | ToLParenLoc, ToType, | |||
5249 | ToTypeSourceInfo, D->getPropertyImplementation())) | |||
5250 | return ToProperty; | |||
5251 | ||||
5252 | auto ToGetterName = importChecked(Err, D->getGetterName()); | |||
5253 | auto ToSetterName = importChecked(Err, D->getSetterName()); | |||
5254 | auto ToGetterNameLoc = importChecked(Err, D->getGetterNameLoc()); | |||
5255 | auto ToSetterNameLoc = importChecked(Err, D->getSetterNameLoc()); | |||
5256 | auto ToGetterMethodDecl = importChecked(Err, D->getGetterMethodDecl()); | |||
5257 | auto ToSetterMethodDecl = importChecked(Err, D->getSetterMethodDecl()); | |||
5258 | auto ToPropertyIvarDecl = importChecked(Err, D->getPropertyIvarDecl()); | |||
5259 | if (Err) | |||
5260 | return std::move(Err); | |||
5261 | ||||
5262 | ToProperty->setLexicalDeclContext(LexicalDC); | |||
5263 | LexicalDC->addDeclInternal(ToProperty); | |||
5264 | ||||
5265 | ToProperty->setPropertyAttributes(D->getPropertyAttributes()); | |||
5266 | ToProperty->setPropertyAttributesAsWritten( | |||
5267 | D->getPropertyAttributesAsWritten()); | |||
5268 | ToProperty->setGetterName(ToGetterName, ToGetterNameLoc); | |||
5269 | ToProperty->setSetterName(ToSetterName, ToSetterNameLoc); | |||
5270 | ToProperty->setGetterMethodDecl(ToGetterMethodDecl); | |||
5271 | ToProperty->setSetterMethodDecl(ToSetterMethodDecl); | |||
5272 | ToProperty->setPropertyIvarDecl(ToPropertyIvarDecl); | |||
5273 | return ToProperty; | |||
5274 | } | |||
5275 | ||||
5276 | ExpectedDecl | |||
5277 | ASTNodeImporter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) { | |||
5278 | ObjCPropertyDecl *Property; | |||
5279 | if (Error Err = importInto(Property, D->getPropertyDecl())) | |||
5280 | return std::move(Err); | |||
5281 | ||||
5282 | DeclContext *DC, *LexicalDC; | |||
5283 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | |||
5284 | return std::move(Err); | |||
5285 | ||||
5286 | auto *InImpl = cast<ObjCImplDecl>(LexicalDC); | |||
5287 | ||||
5288 | // Import the ivar (for an @synthesize). | |||
5289 | ObjCIvarDecl *Ivar = nullptr; | |||
5290 | if (Error Err = importInto(Ivar, D->getPropertyIvarDecl())) | |||
5291 | return std::move(Err); | |||
5292 | ||||
5293 | ObjCPropertyImplDecl *ToImpl | |||
5294 | = InImpl->FindPropertyImplDecl(Property->getIdentifier(), | |||
5295 | Property->getQueryKind()); | |||
5296 | if (!ToImpl) { | |||
5297 | ||||
5298 | Error Err = Error::success(); | |||
5299 | auto ToBeginLoc = importChecked(Err, D->getBeginLoc()); | |||
5300 | auto ToLocation = importChecked(Err, D->getLocation()); | |||
5301 | auto ToPropertyIvarDeclLoc = | |||
5302 | importChecked(Err, D->getPropertyIvarDeclLoc()); | |||
5303 | if (Err) | |||
5304 | return std::move(Err); | |||
5305 | ||||
5306 | if (GetImportedOrCreateDecl(ToImpl, D, Importer.getToContext(), DC, | |||
5307 | ToBeginLoc, | |||
5308 | ToLocation, Property, | |||
5309 | D->getPropertyImplementation(), Ivar, | |||
5310 | ToPropertyIvarDeclLoc)) | |||
5311 | return ToImpl; | |||
5312 | ||||
5313 | ToImpl->setLexicalDeclContext(LexicalDC); | |||
5314 | LexicalDC->addDeclInternal(ToImpl); | |||
5315 | } else { | |||
5316 | // Check that we have the same kind of property implementation (@synthesize | |||
5317 | // vs. @dynamic). | |||
5318 | if (D->getPropertyImplementation() != ToImpl->getPropertyImplementation()) { | |||
5319 | Importer.ToDiag(ToImpl->getLocation(), | |||
5320 | diag::warn_odr_objc_property_impl_kind_inconsistent) | |||
5321 | << Property->getDeclName() | |||
5322 | << (ToImpl->getPropertyImplementation() | |||
5323 | == ObjCPropertyImplDecl::Dynamic); | |||
5324 | Importer.FromDiag(D->getLocation(), | |||
5325 | diag::note_odr_objc_property_impl_kind) | |||
5326 | << D->getPropertyDecl()->getDeclName() | |||
5327 | << (D->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic); | |||
5328 | ||||
5329 | return make_error<ImportError>(ImportError::NameConflict); | |||
5330 | } | |||
5331 | ||||
5332 | // For @synthesize, check that we have the same | |||
5333 | if (D->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize && | |||
5334 | Ivar != ToImpl->getPropertyIvarDecl()) { | |||
5335 | Importer.ToDiag(ToImpl->getPropertyIvarDeclLoc(), | |||
5336 | diag::warn_odr_objc_synthesize_ivar_inconsistent) | |||
5337 | << Property->getDeclName() | |||
5338 | << ToImpl->getPropertyIvarDecl()->getDeclName() | |||
5339 | << Ivar->getDeclName(); | |||
5340 | Importer.FromDiag(D->getPropertyIvarDeclLoc(), | |||
5341 | diag::note_odr_objc_synthesize_ivar_here) | |||
5342 | << D->getPropertyIvarDecl()->getDeclName(); | |||
5343 | ||||
5344 | return make_error<ImportError>(ImportError::NameConflict); | |||
5345 | } | |||
5346 | ||||
5347 | // Merge the existing implementation with the new implementation. | |||
5348 | Importer.MapImported(D, ToImpl); | |||
5349 | } | |||
5350 | ||||
5351 | return ToImpl; | |||
5352 | } | |||
5353 | ||||
5354 | ExpectedDecl | |||
5355 | ASTNodeImporter::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) { | |||
5356 | // For template arguments, we adopt the translation unit as our declaration | |||
5357 | // context. This context will be fixed when the actual template declaration | |||
5358 | // is created. | |||
5359 | ||||
5360 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); | |||
5361 | if (!BeginLocOrErr) | |||
5362 | return BeginLocOrErr.takeError(); | |||
5363 | ||||
5364 | ExpectedSLoc LocationOrErr = import(D->getLocation()); | |||
5365 | if (!LocationOrErr) | |||
5366 | return LocationOrErr.takeError(); | |||
5367 | ||||
5368 | TemplateTypeParmDecl *ToD = nullptr; | |||
5369 | if (GetImportedOrCreateDecl( | |||
5370 | ToD, D, Importer.getToContext(), | |||
5371 | Importer.getToContext().getTranslationUnitDecl(), | |||
5372 | *BeginLocOrErr, *LocationOrErr, | |||
5373 | D->getDepth(), D->getIndex(), Importer.Import(D->getIdentifier()), | |||
5374 | D->wasDeclaredWithTypename(), D->isParameterPack(), | |||
5375 | D->hasTypeConstraint())) | |||
5376 | return ToD; | |||
5377 | ||||
5378 | // Import the type-constraint | |||
5379 | if (const TypeConstraint *TC = D->getTypeConstraint()) { | |||
5380 | ||||
5381 | Error Err = Error::success(); | |||
5382 | auto ToNNS = importChecked(Err, TC->getNestedNameSpecifierLoc()); | |||
5383 | auto ToName = importChecked(Err, TC->getConceptNameInfo().getName()); | |||
5384 | auto ToNameLoc = importChecked(Err, TC->getConceptNameInfo().getLoc()); | |||
5385 | auto ToFoundDecl = importChecked(Err, TC->getFoundDecl()); | |||
5386 | auto ToNamedConcept = importChecked(Err, TC->getNamedConcept()); | |||
5387 | auto ToIDC = importChecked(Err, TC->getImmediatelyDeclaredConstraint()); | |||
5388 | if (Err) | |||
5389 | return std::move(Err); | |||
5390 | ||||
5391 | TemplateArgumentListInfo ToTAInfo; | |||
5392 | const auto *ASTTemplateArgs = TC->getTemplateArgsAsWritten(); | |||
5393 | if (ASTTemplateArgs) | |||
5394 | if (Error Err = ImportTemplateArgumentListInfo(*ASTTemplateArgs, | |||
5395 | ToTAInfo)) | |||
5396 | return std::move(Err); | |||
5397 | ||||
5398 | ToD->setTypeConstraint(ToNNS, DeclarationNameInfo(ToName, ToNameLoc), | |||
5399 | ToFoundDecl, ToNamedConcept, | |||
5400 | ASTTemplateArgs ? | |||
5401 | ASTTemplateArgumentListInfo::Create(Importer.getToContext(), | |||
5402 | ToTAInfo) : nullptr, | |||
5403 | ToIDC); | |||
5404 | } | |||
5405 | ||||
5406 | if (D->hasDefaultArgument()) { | |||
5407 | Expected<TypeSourceInfo *> ToDefaultArgOrErr = | |||
5408 | import(D->getDefaultArgumentInfo()); | |||
5409 | if (!ToDefaultArgOrErr) | |||
5410 | return ToDefaultArgOrErr.takeError(); | |||
5411 | ToD->setDefaultArgument(*ToDefaultArgOrErr); | |||
5412 | } | |||
5413 | ||||
5414 | return ToD; | |||
5415 | } | |||
5416 | ||||
5417 | ExpectedDecl | |||
5418 | ASTNodeImporter::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) { | |||
5419 | ||||
5420 | Error Err = Error::success(); | |||
5421 | auto ToDeclName = importChecked(Err, D->getDeclName()); | |||
5422 | auto ToLocation = importChecked(Err, D->getLocation()); | |||
5423 | auto ToType = importChecked(Err, D->getType()); | |||
5424 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); | |||
5425 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); | |||
5426 | if (Err) | |||
5427 | return std::move(Err); | |||
5428 | ||||
5429 | NonTypeTemplateParmDecl *ToD = nullptr; | |||
5430 | if (GetImportedOrCreateDecl(ToD, D, Importer.getToContext(), | |||
5431 | Importer.getToContext().getTranslationUnitDecl(), | |||
5432 | ToInnerLocStart, ToLocation, D->getDepth(), | |||
5433 | D->getPosition(), | |||
5434 | ToDeclName.getAsIdentifierInfo(), ToType, | |||
5435 | D->isParameterPack(), ToTypeSourceInfo)) | |||
5436 | return ToD; | |||
5437 | ||||
5438 | if (D->hasDefaultArgument()) { | |||
5439 | ExpectedExpr ToDefaultArgOrErr = import(D->getDefaultArgument()); | |||
5440 | if (!ToDefaultArgOrErr) | |||
5441 | return ToDefaultArgOrErr.takeError(); | |||
5442 | ToD->setDefaultArgument(*ToDefaultArgOrErr); | |||
5443 | } | |||
5444 | ||||
5445 | return ToD; | |||
5446 | } | |||
5447 | ||||
5448 | ExpectedDecl | |||
5449 | ASTNodeImporter::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) { | |||
5450 | // Import the name of this declaration. | |||
5451 | auto NameOrErr = import(D->getDeclName()); | |||
5452 | if (!NameOrErr) | |||
5453 | return NameOrErr.takeError(); | |||
5454 | ||||
5455 | // Import the location of this declaration. | |||
5456 | ExpectedSLoc LocationOrErr = import(D->getLocation()); | |||
5457 | if (!LocationOrErr) | |||
5458 | return LocationOrErr.takeError(); | |||
5459 | ||||
5460 | // Import template parameters. | |||
5461 | auto TemplateParamsOrErr = import(D->getTemplateParameters()); | |||
5462 | if (!TemplateParamsOrErr) | |||
5463 | return TemplateParamsOrErr.takeError(); | |||
5464 | ||||
5465 | TemplateTemplateParmDecl *ToD = nullptr; | |||
5466 | if (GetImportedOrCreateDecl( | |||
5467 | ToD, D, Importer.getToContext(), | |||
5468 | Importer.getToContext().getTranslationUnitDecl(), *LocationOrErr, | |||
5469 | D->getDepth(), D->getPosition(), D->isParameterPack(), | |||
5470 | (*NameOrErr).getAsIdentifierInfo(), *TemplateParamsOrErr)) | |||
5471 | return ToD; | |||
5472 | ||||
5473 | if (D->hasDefaultArgument()) { | |||
5474 | Expected<TemplateArgumentLoc> ToDefaultArgOrErr = | |||
5475 | import(D->getDefaultArgument()); | |||
5476 | if (!ToDefaultArgOrErr) | |||
5477 | return ToDefaultArgOrErr.takeError(); | |||
5478 | ToD->setDefaultArgument(Importer.getToContext(), *ToDefaultArgOrErr); | |||
5479 | } | |||
5480 | ||||
5481 | return ToD; | |||
5482 | } | |||
5483 | ||||
5484 | // Returns the definition for a (forward) declaration of a TemplateDecl, if | |||
5485 | // it has any definition in the redecl chain. | |||
5486 | template <typename T> static auto getTemplateDefinition(T *D) -> T * { | |||
5487 | assert(D->getTemplatedDecl() && "Should be called on templates only")((void)0); | |||
5488 | auto *ToTemplatedDef = D->getTemplatedDecl()->getDefinition(); | |||
5489 | if (!ToTemplatedDef) | |||
5490 | return nullptr; | |||
5491 | auto *TemplateWithDef = ToTemplatedDef->getDescribedTemplate(); | |||
5492 | return cast_or_null<T>(TemplateWithDef); | |||
5493 | } | |||
5494 | ||||
5495 | ExpectedDecl ASTNodeImporter::VisitClassTemplateDecl(ClassTemplateDecl *D) { | |||
5496 | ||||
5497 | // Import the major distinguishing characteristics of this class template. | |||
5498 | DeclContext *DC, *LexicalDC; | |||
5499 | DeclarationName Name; | |||
5500 | SourceLocation Loc; | |||
5501 | NamedDecl *ToD; | |||
5502 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
5503 | return std::move(Err); | |||
5504 | if (ToD) | |||
5505 | return ToD; | |||
5506 | ||||
5507 | ClassTemplateDecl *FoundByLookup = nullptr; | |||
5508 | ||||
5509 | // We may already have a template of the same name; try to find and match it. | |||
5510 | if (!DC->isFunctionOrMethod()) { | |||
5511 | SmallVector<NamedDecl *, 4> ConflictingDecls; | |||
5512 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
5513 | for (auto *FoundDecl : FoundDecls) { | |||
5514 | if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary | | |||
5515 | Decl::IDNS_TagFriend)) | |||
5516 | continue; | |||
5517 | ||||
5518 | Decl *Found = FoundDecl; | |||
5519 | auto *FoundTemplate = dyn_cast<ClassTemplateDecl>(Found); | |||
5520 | if (FoundTemplate) { | |||
5521 | if (!hasSameVisibilityContextAndLinkage(FoundTemplate, D)) | |||
5522 | continue; | |||
5523 | ||||
5524 | if (IsStructuralMatch(D, FoundTemplate)) { | |||
5525 | ClassTemplateDecl *TemplateWithDef = | |||
5526 | getTemplateDefinition(FoundTemplate); | |||
5527 | if (D->isThisDeclarationADefinition() && TemplateWithDef) | |||
5528 | return Importer.MapImported(D, TemplateWithDef); | |||
5529 | if (!FoundByLookup) | |||
5530 | FoundByLookup = FoundTemplate; | |||
5531 | // Search in all matches because there may be multiple decl chains, | |||
5532 | // see ASTTests test ImportExistingFriendClassTemplateDef. | |||
5533 | continue; | |||
5534 | } | |||
5535 | ConflictingDecls.push_back(FoundDecl); | |||
5536 | } | |||
5537 | } | |||
5538 | ||||
5539 | if (!ConflictingDecls.empty()) { | |||
5540 | ExpectedName NameOrErr = Importer.HandleNameConflict( | |||
5541 | Name, DC, Decl::IDNS_Ordinary, ConflictingDecls.data(), | |||
5542 | ConflictingDecls.size()); | |||
5543 | if (NameOrErr) | |||
5544 | Name = NameOrErr.get(); | |||
5545 | else | |||
5546 | return NameOrErr.takeError(); | |||
5547 | } | |||
5548 | } | |||
5549 | ||||
5550 | CXXRecordDecl *FromTemplated = D->getTemplatedDecl(); | |||
5551 | ||||
5552 | auto TemplateParamsOrErr = import(D->getTemplateParameters()); | |||
5553 | if (!TemplateParamsOrErr) | |||
5554 | return TemplateParamsOrErr.takeError(); | |||
5555 | ||||
5556 | // Create the declaration that is being templated. | |||
5557 | CXXRecordDecl *ToTemplated; | |||
5558 | if (Error Err = importInto(ToTemplated, FromTemplated)) | |||
5559 | return std::move(Err); | |||
5560 | ||||
5561 | // Create the class template declaration itself. | |||
5562 | ClassTemplateDecl *D2; | |||
5563 | if (GetImportedOrCreateDecl(D2, D, Importer.getToContext(), DC, Loc, Name, | |||
5564 | *TemplateParamsOrErr, ToTemplated)) | |||
5565 | return D2; | |||
5566 | ||||
5567 | ToTemplated->setDescribedClassTemplate(D2); | |||
5568 | ||||
5569 | D2->setAccess(D->getAccess()); | |||
5570 | D2->setLexicalDeclContext(LexicalDC); | |||
5571 | ||||
5572 | addDeclToContexts(D, D2); | |||
5573 | updateLookupTableForTemplateParameters(**TemplateParamsOrErr); | |||
5574 | ||||
5575 | if (FoundByLookup) { | |||
5576 | auto *Recent = | |||
5577 | const_cast<ClassTemplateDecl *>(FoundByLookup->getMostRecentDecl()); | |||
5578 | ||||
5579 | // It is possible that during the import of the class template definition | |||
5580 | // we start the import of a fwd friend decl of the very same class template | |||
5581 | // and we add the fwd friend decl to the lookup table. But the ToTemplated | |||
5582 | // had been created earlier and by that time the lookup could not find | |||
5583 | // anything existing, so it has no previous decl. Later, (still during the | |||
5584 | // import of the fwd friend decl) we start to import the definition again | |||
5585 | // and this time the lookup finds the previous fwd friend class template. | |||
5586 | // In this case we must set up the previous decl for the templated decl. | |||
5587 | if (!ToTemplated->getPreviousDecl()) { | |||
5588 | assert(FoundByLookup->getTemplatedDecl() &&((void)0) | |||
5589 | "Found decl must have its templated decl set")((void)0); | |||
5590 | CXXRecordDecl *PrevTemplated = | |||
5591 | FoundByLookup->getTemplatedDecl()->getMostRecentDecl(); | |||
5592 | if (ToTemplated != PrevTemplated) | |||
5593 | ToTemplated->setPreviousDecl(PrevTemplated); | |||
5594 | } | |||
5595 | ||||
5596 | D2->setPreviousDecl(Recent); | |||
5597 | } | |||
5598 | ||||
5599 | if (FromTemplated->isCompleteDefinition() && | |||
5600 | !ToTemplated->isCompleteDefinition()) { | |||
5601 | // FIXME: Import definition! | |||
5602 | } | |||
5603 | ||||
5604 | return D2; | |||
5605 | } | |||
5606 | ||||
5607 | ExpectedDecl ASTNodeImporter::VisitClassTemplateSpecializationDecl( | |||
5608 | ClassTemplateSpecializationDecl *D) { | |||
5609 | ClassTemplateDecl *ClassTemplate; | |||
5610 | if (Error Err = importInto(ClassTemplate, D->getSpecializedTemplate())) | |||
5611 | return std::move(Err); | |||
5612 | ||||
5613 | // Import the context of this declaration. | |||
5614 | DeclContext *DC, *LexicalDC; | |||
5615 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | |||
5616 | return std::move(Err); | |||
5617 | ||||
5618 | // Import template arguments. | |||
5619 | SmallVector<TemplateArgument, 2> TemplateArgs; | |||
5620 | if (Error Err = ImportTemplateArguments( | |||
5621 | D->getTemplateArgs().data(), D->getTemplateArgs().size(), TemplateArgs)) | |||
5622 | return std::move(Err); | |||
5623 | // Try to find an existing specialization with these template arguments and | |||
5624 | // template parameter list. | |||
5625 | void *InsertPos = nullptr; | |||
5626 | ClassTemplateSpecializationDecl *PrevDecl = nullptr; | |||
5627 | ClassTemplatePartialSpecializationDecl *PartialSpec = | |||
5628 | dyn_cast<ClassTemplatePartialSpecializationDecl>(D); | |||
5629 | ||||
5630 | // Import template parameters. | |||
5631 | TemplateParameterList *ToTPList = nullptr; | |||
5632 | ||||
5633 | if (PartialSpec) { | |||
5634 | auto ToTPListOrErr = import(PartialSpec->getTemplateParameters()); | |||
5635 | if (!ToTPListOrErr) | |||
5636 | return ToTPListOrErr.takeError(); | |||
5637 | ToTPList = *ToTPListOrErr; | |||
5638 | PrevDecl = ClassTemplate->findPartialSpecialization(TemplateArgs, | |||
5639 | *ToTPListOrErr, | |||
5640 | InsertPos); | |||
5641 | } else | |||
5642 | PrevDecl = ClassTemplate->findSpecialization(TemplateArgs, InsertPos); | |||
5643 | ||||
5644 | if (PrevDecl) { | |||
5645 | if (IsStructuralMatch(D, PrevDecl)) { | |||
5646 | CXXRecordDecl *PrevDefinition = PrevDecl->getDefinition(); | |||
5647 | if (D->isThisDeclarationADefinition() && PrevDefinition) { | |||
5648 | Importer.MapImported(D, PrevDefinition); | |||
5649 | // Import those default field initializers which have been | |||
5650 | // instantiated in the "From" context, but not in the "To" context. | |||
5651 | for (auto *FromField : D->fields()) { | |||
5652 | auto ToOrErr = import(FromField); | |||
5653 | if (!ToOrErr) | |||
5654 | return ToOrErr.takeError(); | |||
5655 | } | |||
5656 | ||||
5657 | // Import those methods which have been instantiated in the | |||
5658 | // "From" context, but not in the "To" context. | |||
5659 | for (CXXMethodDecl *FromM : D->methods()) { | |||
5660 | auto ToOrErr = import(FromM); | |||
5661 | if (!ToOrErr) | |||
5662 | return ToOrErr.takeError(); | |||
5663 | } | |||
5664 | ||||
5665 | // TODO Import instantiated default arguments. | |||
5666 | // TODO Import instantiated exception specifications. | |||
5667 | // | |||
5668 | // Generally, ASTCommon.h/DeclUpdateKind enum gives a very good hint | |||
5669 | // what else could be fused during an AST merge. | |||
5670 | return PrevDefinition; | |||
5671 | } | |||
5672 | } else { // ODR violation. | |||
5673 | // FIXME HandleNameConflict | |||
5674 | return make_error<ImportError>(ImportError::NameConflict); | |||
5675 | } | |||
5676 | } | |||
5677 | ||||
5678 | // Import the location of this declaration. | |||
5679 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); | |||
5680 | if (!BeginLocOrErr) | |||
5681 | return BeginLocOrErr.takeError(); | |||
5682 | ExpectedSLoc IdLocOrErr = import(D->getLocation()); | |||
5683 | if (!IdLocOrErr) | |||
5684 | return IdLocOrErr.takeError(); | |||
5685 | ||||
5686 | // Create the specialization. | |||
5687 | ClassTemplateSpecializationDecl *D2 = nullptr; | |||
5688 | if (PartialSpec) { | |||
5689 | // Import TemplateArgumentListInfo. | |||
5690 | TemplateArgumentListInfo ToTAInfo; | |||
5691 | const auto &ASTTemplateArgs = *PartialSpec->getTemplateArgsAsWritten(); | |||
5692 | if (Error Err = ImportTemplateArgumentListInfo(ASTTemplateArgs, ToTAInfo)) | |||
5693 | return std::move(Err); | |||
5694 | ||||
5695 | QualType CanonInjType; | |||
5696 | if (Error Err = importInto( | |||
5697 | CanonInjType, PartialSpec->getInjectedSpecializationType())) | |||
5698 | return std::move(Err); | |||
5699 | CanonInjType = CanonInjType.getCanonicalType(); | |||
5700 | ||||
5701 | if (GetImportedOrCreateDecl<ClassTemplatePartialSpecializationDecl>( | |||
5702 | D2, D, Importer.getToContext(), D->getTagKind(), DC, | |||
5703 | *BeginLocOrErr, *IdLocOrErr, ToTPList, ClassTemplate, | |||
5704 | llvm::makeArrayRef(TemplateArgs.data(), TemplateArgs.size()), | |||
5705 | ToTAInfo, CanonInjType, | |||
5706 | cast_or_null<ClassTemplatePartialSpecializationDecl>(PrevDecl))) | |||
5707 | return D2; | |||
5708 | ||||
5709 | // Update InsertPos, because preceding import calls may have invalidated | |||
5710 | // it by adding new specializations. | |||
5711 | auto *PartSpec2 = cast<ClassTemplatePartialSpecializationDecl>(D2); | |||
5712 | if (!ClassTemplate->findPartialSpecialization(TemplateArgs, ToTPList, | |||
5713 | InsertPos)) | |||
5714 | // Add this partial specialization to the class template. | |||
5715 | ClassTemplate->AddPartialSpecialization(PartSpec2, InsertPos); | |||
5716 | ||||
5717 | updateLookupTableForTemplateParameters(*ToTPList); | |||
5718 | } else { // Not a partial specialization. | |||
5719 | if (GetImportedOrCreateDecl( | |||
5720 | D2, D, Importer.getToContext(), D->getTagKind(), DC, | |||
5721 | *BeginLocOrErr, *IdLocOrErr, ClassTemplate, TemplateArgs, | |||
5722 | PrevDecl)) | |||
5723 | return D2; | |||
5724 | ||||
5725 | // Update InsertPos, because preceding import calls may have invalidated | |||
5726 | // it by adding new specializations. | |||
5727 | if (!ClassTemplate->findSpecialization(TemplateArgs, InsertPos)) | |||
5728 | // Add this specialization to the class template. | |||
5729 | ClassTemplate->AddSpecialization(D2, InsertPos); | |||
5730 | } | |||
5731 | ||||
5732 | D2->setSpecializationKind(D->getSpecializationKind()); | |||
5733 | ||||
5734 | // Set the context of this specialization/instantiation. | |||
5735 | D2->setLexicalDeclContext(LexicalDC); | |||
5736 | ||||
5737 | // Add to the DC only if it was an explicit specialization/instantiation. | |||
5738 | if (D2->isExplicitInstantiationOrSpecialization()) { | |||
5739 | LexicalDC->addDeclInternal(D2); | |||
5740 | } | |||
5741 | ||||
5742 | if (auto BraceRangeOrErr = import(D->getBraceRange())) | |||
5743 | D2->setBraceRange(*BraceRangeOrErr); | |||
5744 | else | |||
5745 | return BraceRangeOrErr.takeError(); | |||
5746 | ||||
5747 | // Import the qualifier, if any. | |||
5748 | if (auto LocOrErr = import(D->getQualifierLoc())) | |||
5749 | D2->setQualifierInfo(*LocOrErr); | |||
5750 | else | |||
5751 | return LocOrErr.takeError(); | |||
5752 | ||||
5753 | if (auto *TSI = D->getTypeAsWritten()) { | |||
5754 | if (auto TInfoOrErr = import(TSI)) | |||
5755 | D2->setTypeAsWritten(*TInfoOrErr); | |||
5756 | else | |||
5757 | return TInfoOrErr.takeError(); | |||
5758 | ||||
5759 | if (auto LocOrErr = import(D->getTemplateKeywordLoc())) | |||
5760 | D2->setTemplateKeywordLoc(*LocOrErr); | |||
5761 | else | |||
5762 | return LocOrErr.takeError(); | |||
5763 | ||||
5764 | if (auto LocOrErr = import(D->getExternLoc())) | |||
5765 | D2->setExternLoc(*LocOrErr); | |||
5766 | else | |||
5767 | return LocOrErr.takeError(); | |||
5768 | } | |||
5769 | ||||
5770 | if (D->getPointOfInstantiation().isValid()) { | |||
5771 | if (auto POIOrErr = import(D->getPointOfInstantiation())) | |||
5772 | D2->setPointOfInstantiation(*POIOrErr); | |||
5773 | else | |||
5774 | return POIOrErr.takeError(); | |||
5775 | } | |||
5776 | ||||
5777 | D2->setTemplateSpecializationKind(D->getTemplateSpecializationKind()); | |||
5778 | ||||
5779 | if (D->isCompleteDefinition()) | |||
5780 | if (Error Err = ImportDefinition(D, D2)) | |||
5781 | return std::move(Err); | |||
5782 | ||||
5783 | return D2; | |||
5784 | } | |||
5785 | ||||
5786 | ExpectedDecl ASTNodeImporter::VisitVarTemplateDecl(VarTemplateDecl *D) { | |||
5787 | // Import the major distinguishing characteristics of this variable template. | |||
5788 | DeclContext *DC, *LexicalDC; | |||
5789 | DeclarationName Name; | |||
5790 | SourceLocation Loc; | |||
5791 | NamedDecl *ToD; | |||
5792 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
5793 | return std::move(Err); | |||
5794 | if (ToD) | |||
5795 | return ToD; | |||
5796 | ||||
5797 | // We may already have a template of the same name; try to find and match it. | |||
5798 | assert(!DC->isFunctionOrMethod() &&((void)0) | |||
5799 | "Variable templates cannot be declared at function scope")((void)0); | |||
5800 | ||||
5801 | SmallVector<NamedDecl *, 4> ConflictingDecls; | |||
5802 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
5803 | VarTemplateDecl *FoundByLookup = nullptr; | |||
5804 | for (auto *FoundDecl : FoundDecls) { | |||
5805 | if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary)) | |||
5806 | continue; | |||
5807 | ||||
5808 | if (VarTemplateDecl *FoundTemplate = dyn_cast<VarTemplateDecl>(FoundDecl)) { | |||
5809 | // Use the templated decl, some linkage flags are set only there. | |||
5810 | if (!hasSameVisibilityContextAndLinkage(FoundTemplate->getTemplatedDecl(), | |||
5811 | D->getTemplatedDecl())) | |||
5812 | continue; | |||
5813 | if (IsStructuralMatch(D, FoundTemplate)) { | |||
5814 | // The Decl in the "From" context has a definition, but in the | |||
5815 | // "To" context we already have a definition. | |||
5816 | VarTemplateDecl *FoundDef = getTemplateDefinition(FoundTemplate); | |||
5817 | if (D->isThisDeclarationADefinition() && FoundDef) | |||
5818 | // FIXME Check for ODR error if the two definitions have | |||
5819 | // different initializers? | |||
5820 | return Importer.MapImported(D, FoundDef); | |||
5821 | ||||
5822 | FoundByLookup = FoundTemplate; | |||
5823 | break; | |||
5824 | } | |||
5825 | ConflictingDecls.push_back(FoundDecl); | |||
5826 | } | |||
5827 | } | |||
5828 | ||||
5829 | if (!ConflictingDecls.empty()) { | |||
5830 | ExpectedName NameOrErr = Importer.HandleNameConflict( | |||
5831 | Name, DC, Decl::IDNS_Ordinary, ConflictingDecls.data(), | |||
5832 | ConflictingDecls.size()); | |||
5833 | if (NameOrErr) | |||
5834 | Name = NameOrErr.get(); | |||
5835 | else | |||
5836 | return NameOrErr.takeError(); | |||
5837 | } | |||
5838 | ||||
5839 | VarDecl *DTemplated = D->getTemplatedDecl(); | |||
5840 | ||||
5841 | // Import the type. | |||
5842 | // FIXME: Value not used? | |||
5843 | ExpectedType TypeOrErr = import(DTemplated->getType()); | |||
5844 | if (!TypeOrErr) | |||
5845 | return TypeOrErr.takeError(); | |||
5846 | ||||
5847 | // Create the declaration that is being templated. | |||
5848 | VarDecl *ToTemplated; | |||
5849 | if (Error Err = importInto(ToTemplated, DTemplated)) | |||
5850 | return std::move(Err); | |||
5851 | ||||
5852 | // Create the variable template declaration itself. | |||
5853 | auto TemplateParamsOrErr = import(D->getTemplateParameters()); | |||
5854 | if (!TemplateParamsOrErr) | |||
5855 | return TemplateParamsOrErr.takeError(); | |||
5856 | ||||
5857 | VarTemplateDecl *ToVarTD; | |||
5858 | if (GetImportedOrCreateDecl(ToVarTD, D, Importer.getToContext(), DC, Loc, | |||
5859 | Name, *TemplateParamsOrErr, ToTemplated)) | |||
5860 | return ToVarTD; | |||
5861 | ||||
5862 | ToTemplated->setDescribedVarTemplate(ToVarTD); | |||
5863 | ||||
5864 | ToVarTD->setAccess(D->getAccess()); | |||
5865 | ToVarTD->setLexicalDeclContext(LexicalDC); | |||
5866 | LexicalDC->addDeclInternal(ToVarTD); | |||
5867 | if (DC != Importer.getToContext().getTranslationUnitDecl()) | |||
5868 | updateLookupTableForTemplateParameters(**TemplateParamsOrErr); | |||
5869 | ||||
5870 | if (FoundByLookup) { | |||
5871 | auto *Recent = | |||
5872 | const_cast<VarTemplateDecl *>(FoundByLookup->getMostRecentDecl()); | |||
5873 | if (!ToTemplated->getPreviousDecl()) { | |||
5874 | auto *PrevTemplated = | |||
5875 | FoundByLookup->getTemplatedDecl()->getMostRecentDecl(); | |||
5876 | if (ToTemplated != PrevTemplated) | |||
5877 | ToTemplated->setPreviousDecl(PrevTemplated); | |||
5878 | } | |||
5879 | ToVarTD->setPreviousDecl(Recent); | |||
5880 | } | |||
5881 | ||||
5882 | if (DTemplated->isThisDeclarationADefinition() && | |||
5883 | !ToTemplated->isThisDeclarationADefinition()) { | |||
5884 | // FIXME: Import definition! | |||
5885 | } | |||
5886 | ||||
5887 | return ToVarTD; | |||
5888 | } | |||
5889 | ||||
5890 | ExpectedDecl ASTNodeImporter::VisitVarTemplateSpecializationDecl( | |||
5891 | VarTemplateSpecializationDecl *D) { | |||
5892 | // If this record has a definition in the translation unit we're coming from, | |||
5893 | // but this particular declaration is not that definition, import the | |||
5894 | // definition and map to that. | |||
5895 | VarDecl *Definition = D->getDefinition(); | |||
5896 | if (Definition && Definition != D) { | |||
5897 | if (ExpectedDecl ImportedDefOrErr = import(Definition)) | |||
5898 | return Importer.MapImported(D, *ImportedDefOrErr); | |||
5899 | else | |||
5900 | return ImportedDefOrErr.takeError(); | |||
5901 | } | |||
5902 | ||||
5903 | VarTemplateDecl *VarTemplate = nullptr; | |||
5904 | if (Error Err = importInto(VarTemplate, D->getSpecializedTemplate())) | |||
5905 | return std::move(Err); | |||
5906 | ||||
5907 | // Import the context of this declaration. | |||
5908 | DeclContext *DC, *LexicalDC; | |||
5909 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | |||
5910 | return std::move(Err); | |||
5911 | ||||
5912 | // Import the location of this declaration. | |||
5913 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); | |||
5914 | if (!BeginLocOrErr) | |||
5915 | return BeginLocOrErr.takeError(); | |||
5916 | ||||
5917 | auto IdLocOrErr = import(D->getLocation()); | |||
5918 | if (!IdLocOrErr) | |||
5919 | return IdLocOrErr.takeError(); | |||
5920 | ||||
5921 | // Import template arguments. | |||
5922 | SmallVector<TemplateArgument, 2> TemplateArgs; | |||
5923 | if (Error Err = ImportTemplateArguments( | |||
5924 | D->getTemplateArgs().data(), D->getTemplateArgs().size(), TemplateArgs)) | |||
5925 | return std::move(Err); | |||
5926 | ||||
5927 | // Try to find an existing specialization with these template arguments. | |||
5928 | void *InsertPos = nullptr; | |||
5929 | VarTemplateSpecializationDecl *D2 = VarTemplate->findSpecialization( | |||
5930 | TemplateArgs, InsertPos); | |||
5931 | if (D2) { | |||
5932 | // We already have a variable template specialization with these template | |||
5933 | // arguments. | |||
5934 | ||||
5935 | // FIXME: Check for specialization vs. instantiation errors. | |||
5936 | ||||
5937 | if (VarDecl *FoundDef = D2->getDefinition()) { | |||
5938 | if (!D->isThisDeclarationADefinition() || | |||
5939 | IsStructuralMatch(D, FoundDef)) { | |||
5940 | // The record types structurally match, or the "from" translation | |||
5941 | // unit only had a forward declaration anyway; call it the same | |||
5942 | // variable. | |||
5943 | return Importer.MapImported(D, FoundDef); | |||
5944 | } | |||
5945 | } | |||
5946 | } else { | |||
5947 | // Import the type. | |||
5948 | QualType T; | |||
5949 | if (Error Err = importInto(T, D->getType())) | |||
5950 | return std::move(Err); | |||
5951 | ||||
5952 | auto TInfoOrErr = import(D->getTypeSourceInfo()); | |||
5953 | if (!TInfoOrErr) | |||
5954 | return TInfoOrErr.takeError(); | |||
5955 | ||||
5956 | TemplateArgumentListInfo ToTAInfo; | |||
5957 | if (Error Err = ImportTemplateArgumentListInfo( | |||
5958 | D->getTemplateArgsInfo(), ToTAInfo)) | |||
5959 | return std::move(Err); | |||
5960 | ||||
5961 | using PartVarSpecDecl = VarTemplatePartialSpecializationDecl; | |||
5962 | // Create a new specialization. | |||
5963 | if (auto *FromPartial = dyn_cast<PartVarSpecDecl>(D)) { | |||
5964 | // Import TemplateArgumentListInfo | |||
5965 | TemplateArgumentListInfo ArgInfos; | |||
5966 | const auto *FromTAArgsAsWritten = FromPartial->getTemplateArgsAsWritten(); | |||
5967 | // NOTE: FromTAArgsAsWritten and template parameter list are non-null. | |||
5968 | if (Error Err = ImportTemplateArgumentListInfo( | |||
5969 | *FromTAArgsAsWritten, ArgInfos)) | |||
5970 | return std::move(Err); | |||
5971 | ||||
5972 | auto ToTPListOrErr = import(FromPartial->getTemplateParameters()); | |||
5973 | if (!ToTPListOrErr) | |||
5974 | return ToTPListOrErr.takeError(); | |||
5975 | ||||
5976 | PartVarSpecDecl *ToPartial; | |||
5977 | if (GetImportedOrCreateDecl(ToPartial, D, Importer.getToContext(), DC, | |||
5978 | *BeginLocOrErr, *IdLocOrErr, *ToTPListOrErr, | |||
5979 | VarTemplate, T, *TInfoOrErr, | |||
5980 | D->getStorageClass(), TemplateArgs, ArgInfos)) | |||
5981 | return ToPartial; | |||
5982 | ||||
5983 | if (Expected<PartVarSpecDecl *> ToInstOrErr = import( | |||
5984 | FromPartial->getInstantiatedFromMember())) | |||
5985 | ToPartial->setInstantiatedFromMember(*ToInstOrErr); | |||
5986 | else | |||
5987 | return ToInstOrErr.takeError(); | |||
5988 | ||||
5989 | if (FromPartial->isMemberSpecialization()) | |||
5990 | ToPartial->setMemberSpecialization(); | |||
5991 | ||||
5992 | D2 = ToPartial; | |||
5993 | ||||
5994 | // FIXME: Use this update if VarTemplatePartialSpecializationDecl is fixed | |||
5995 | // to adopt template parameters. | |||
5996 | // updateLookupTableForTemplateParameters(**ToTPListOrErr); | |||
5997 | } else { // Full specialization | |||
5998 | if (GetImportedOrCreateDecl(D2, D, Importer.getToContext(), DC, | |||
5999 | *BeginLocOrErr, *IdLocOrErr, VarTemplate, | |||
6000 | T, *TInfoOrErr, | |||
6001 | D->getStorageClass(), TemplateArgs)) | |||
6002 | return D2; | |||
6003 | } | |||
6004 | ||||
6005 | if (D->getPointOfInstantiation().isValid()) { | |||
6006 | if (ExpectedSLoc POIOrErr = import(D->getPointOfInstantiation())) | |||
6007 | D2->setPointOfInstantiation(*POIOrErr); | |||
6008 | else | |||
6009 | return POIOrErr.takeError(); | |||
6010 | } | |||
6011 | ||||
6012 | D2->setSpecializationKind(D->getSpecializationKind()); | |||
6013 | D2->setTemplateArgsInfo(ToTAInfo); | |||
6014 | ||||
6015 | // Add this specialization to the class template. | |||
6016 | VarTemplate->AddSpecialization(D2, InsertPos); | |||
6017 | ||||
6018 | // Import the qualifier, if any. | |||
6019 | if (auto LocOrErr = import(D->getQualifierLoc())) | |||
6020 | D2->setQualifierInfo(*LocOrErr); | |||
6021 | else | |||
6022 | return LocOrErr.takeError(); | |||
6023 | ||||
6024 | if (D->isConstexpr()) | |||
6025 | D2->setConstexpr(true); | |||
6026 | ||||
6027 | // Add the specialization to this context. | |||
6028 | D2->setLexicalDeclContext(LexicalDC); | |||
6029 | LexicalDC->addDeclInternal(D2); | |||
6030 | ||||
6031 | D2->setAccess(D->getAccess()); | |||
6032 | } | |||
6033 | ||||
6034 | if (Error Err = ImportInitializer(D, D2)) | |||
6035 | return std::move(Err); | |||
6036 | ||||
6037 | return D2; | |||
6038 | } | |||
6039 | ||||
6040 | ExpectedDecl | |||
6041 | ASTNodeImporter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { | |||
6042 | DeclContext *DC, *LexicalDC; | |||
6043 | DeclarationName Name; | |||
6044 | SourceLocation Loc; | |||
6045 | NamedDecl *ToD; | |||
6046 | ||||
6047 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | |||
6048 | return std::move(Err); | |||
6049 | ||||
6050 | if (ToD) | |||
6051 | return ToD; | |||
6052 | ||||
6053 | const FunctionTemplateDecl *FoundByLookup = nullptr; | |||
6054 | ||||
6055 | // Try to find a function in our own ("to") context with the same name, same | |||
6056 | // type, and in the same context as the function we're importing. | |||
6057 | // FIXME Split this into a separate function. | |||
6058 | if (!LexicalDC->isFunctionOrMethod()) { | |||
6059 | unsigned IDNS = Decl::IDNS_Ordinary | Decl::IDNS_OrdinaryFriend; | |||
6060 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | |||
6061 | for (auto *FoundDecl : FoundDecls) { | |||
6062 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | |||
6063 | continue; | |||
6064 | ||||
6065 | if (auto *FoundTemplate = dyn_cast<FunctionTemplateDecl>(FoundDecl)) { | |||
6066 | if (!hasSameVisibilityContextAndLinkage(FoundTemplate, D)) | |||
6067 | continue; | |||
6068 | if (IsStructuralMatch(D, FoundTemplate)) { | |||
6069 | FunctionTemplateDecl *TemplateWithDef = | |||
6070 | getTemplateDefinition(FoundTemplate); | |||
6071 | if (D->isThisDeclarationADefinition() && TemplateWithDef) | |||
6072 | return Importer.MapImported(D, TemplateWithDef); | |||
6073 | ||||
6074 | FoundByLookup = FoundTemplate; | |||
6075 | break; | |||
6076 | // TODO: handle conflicting names | |||
6077 | } | |||
6078 | } | |||
6079 | } | |||
6080 | } | |||
6081 | ||||
6082 | auto ParamsOrErr = import(D->getTemplateParameters()); | |||
6083 | if (!ParamsOrErr) | |||
6084 | return ParamsOrErr.takeError(); | |||
6085 | TemplateParameterList *Params = *ParamsOrErr; | |||
6086 | ||||
6087 | FunctionDecl *TemplatedFD; | |||
6088 | if (Error Err = importInto(TemplatedFD, D->getTemplatedDecl())) | |||
6089 | return std::move(Err); | |||
6090 | ||||
6091 | // Template parameters of the ClassTemplateDecl and FunctionTemplateDecl are | |||
6092 | // shared, if the FunctionTemplateDecl is a deduction guide for the class. | |||
6093 | // At import the ClassTemplateDecl object is always created first (FIXME: is | |||
6094 | // this really true?) because the dependency, then the FunctionTemplateDecl. | |||
6095 | // The DeclContext of the template parameters is changed when the | |||
6096 | // FunctionTemplateDecl is created, but was set already when the class | |||
6097 | // template was created. So here it is not the TU (default value) any more. | |||
6098 | // FIXME: The DeclContext of the parameters is now set finally to the | |||
6099 | // CXXDeductionGuideDecl object that was imported later. This may not be the | |||
6100 | // same that is in the original AST, specially if there are multiple deduction | |||
6101 | // guides. | |||
6102 | DeclContext *OldParamDC = nullptr; | |||
6103 | if (Params->size() > 0) | |||
6104 | OldParamDC = Params->getParam(0)->getDeclContext(); | |||
6105 | ||||
6106 | FunctionTemplateDecl *ToFunc; | |||
6107 | if (GetImportedOrCreateDecl(ToFunc, D, Importer.getToContext(), DC, Loc, Name, | |||
6108 | Params, TemplatedFD)) | |||
6109 | return ToFunc; | |||
6110 | ||||
6111 | TemplatedFD->setDescribedFunctionTemplate(ToFunc); | |||
6112 | ||||
6113 | ToFunc->setAccess(D->getAccess()); | |||
6114 | ToFunc->setLexicalDeclContext(LexicalDC); | |||
6115 | LexicalDC->addDeclInternal(ToFunc); | |||
6116 | updateLookupTableForTemplateParameters(*Params, OldParamDC); | |||
6117 | ||||
6118 | if (FoundByLookup) { | |||
6119 | auto *Recent = | |||
6120 | const_cast<FunctionTemplateDecl *>(FoundByLookup->getMostRecentDecl()); | |||
6121 | if (!TemplatedFD->getPreviousDecl()) { | |||
6122 | assert(FoundByLookup->getTemplatedDecl() &&((void)0) | |||
6123 | "Found decl must have its templated decl set")((void)0); | |||
6124 | auto *PrevTemplated = | |||
6125 | FoundByLookup->getTemplatedDecl()->getMostRecentDecl(); | |||
6126 | if (TemplatedFD != PrevTemplated) | |||
6127 | TemplatedFD->setPreviousDecl(PrevTemplated); | |||
6128 | } | |||
6129 | ToFunc->setPreviousDecl(Recent); | |||
6130 | } | |||
6131 | ||||
6132 | return ToFunc; | |||
6133 | } | |||
6134 | ||||
6135 | //---------------------------------------------------------------------------- | |||
6136 | // Import Statements | |||
6137 | //---------------------------------------------------------------------------- | |||
6138 | ||||
6139 | ExpectedStmt ASTNodeImporter::VisitStmt(Stmt *S) { | |||
6140 | Importer.FromDiag(S->getBeginLoc(), diag::err_unsupported_ast_node) | |||
6141 | << S->getStmtClassName(); | |||
6142 | return make_error<ImportError>(ImportError::UnsupportedConstruct); | |||
6143 | } | |||
6144 | ||||
6145 | ||||
6146 | ExpectedStmt ASTNodeImporter::VisitGCCAsmStmt(GCCAsmStmt *S) { | |||
6147 | if (Importer.returnWithErrorInTest()) | |||
6148 | return make_error<ImportError>(ImportError::UnsupportedConstruct); | |||
6149 | SmallVector<IdentifierInfo *, 4> Names; | |||
6150 | for (unsigned I = 0, E = S->getNumOutputs(); I != E; I++) { | |||
6151 | IdentifierInfo *ToII = Importer.Import(S->getOutputIdentifier(I)); | |||
6152 | // ToII is nullptr when no symbolic name is given for output operand | |||
6153 | // see ParseStmtAsm::ParseAsmOperandsOpt | |||
6154 | Names.push_back(ToII); | |||
6155 | } | |||
6156 | ||||
6157 | for (unsigned I = 0, E = S->getNumInputs(); I != E; I++) { | |||
6158 | IdentifierInfo *ToII = Importer.Import(S->getInputIdentifier(I)); | |||
6159 | // ToII is nullptr when no symbolic name is given for input operand | |||
6160 | // see ParseStmtAsm::ParseAsmOperandsOpt | |||
6161 | Names.push_back(ToII); | |||
6162 | } | |||
6163 | ||||
6164 | SmallVector<StringLiteral *, 4> Clobbers; | |||
6165 | for (unsigned I = 0, E = S->getNumClobbers(); I != E; I++) { | |||
6166 | if (auto ClobberOrErr = import(S->getClobberStringLiteral(I))) | |||
6167 | Clobbers.push_back(*ClobberOrErr); | |||
6168 | else | |||
6169 | return ClobberOrErr.takeError(); | |||
6170 | ||||
6171 | } | |||
6172 | ||||
6173 | SmallVector<StringLiteral *, 4> Constraints; | |||
6174 | for (unsigned I = 0, E = S->getNumOutputs(); I != E; I++) { | |||
6175 | if (auto OutputOrErr = import(S->getOutputConstraintLiteral(I))) | |||
6176 | Constraints.push_back(*OutputOrErr); | |||
6177 | else | |||
6178 | return OutputOrErr.takeError(); | |||
6179 | } | |||
6180 | ||||
6181 | for (unsigned I = 0, E = S->getNumInputs(); I != E; I++) { | |||
6182 | if (auto InputOrErr = import(S->getInputConstraintLiteral(I))) | |||
6183 | Constraints.push_back(*InputOrErr); | |||
6184 | else | |||
6185 | return InputOrErr.takeError(); | |||
6186 | } | |||
6187 | ||||
6188 | SmallVector<Expr *, 4> Exprs(S->getNumOutputs() + S->getNumInputs() + | |||
6189 | S->getNumLabels()); | |||
6190 | if (Error Err = ImportContainerChecked(S->outputs(), Exprs)) | |||
6191 | return std::move(Err); | |||
6192 | ||||
6193 | if (Error Err = | |||
6194 | ImportArrayChecked(S->inputs(), Exprs.begin() + S->getNumOutputs())) | |||
6195 | return std::move(Err); | |||
6196 | ||||
6197 | if (Error Err = ImportArrayChecked( | |||
6198 | S->labels(), Exprs.begin() + S->getNumOutputs() + S->getNumInputs())) | |||
6199 | return std::move(Err); | |||
6200 | ||||
6201 | ExpectedSLoc AsmLocOrErr = import(S->getAsmLoc()); | |||
6202 | if (!AsmLocOrErr) | |||
6203 | return AsmLocOrErr.takeError(); | |||
6204 | auto AsmStrOrErr = import(S->getAsmString()); | |||
6205 | if (!AsmStrOrErr) | |||
6206 | return AsmStrOrErr.takeError(); | |||
6207 | ExpectedSLoc RParenLocOrErr = import(S->getRParenLoc()); | |||
6208 | if (!RParenLocOrErr) | |||
6209 | return RParenLocOrErr.takeError(); | |||
6210 | ||||
6211 | return new (Importer.getToContext()) GCCAsmStmt( | |||
6212 | Importer.getToContext(), | |||
6213 | *AsmLocOrErr, | |||
6214 | S->isSimple(), | |||
6215 | S->isVolatile(), | |||
6216 | S->getNumOutputs(), | |||
6217 | S->getNumInputs(), | |||
6218 | Names.data(), | |||
6219 | Constraints.data(), | |||
6220 | Exprs.data(), | |||
6221 | *AsmStrOrErr, | |||
6222 | S->getNumClobbers(), | |||
6223 | Clobbers.data(), | |||
6224 | S->getNumLabels(), | |||
6225 | *RParenLocOrErr); | |||
6226 | } | |||
6227 | ||||
6228 | ExpectedStmt ASTNodeImporter::VisitDeclStmt(DeclStmt *S) { | |||
6229 | ||||
6230 | Error Err = Error::success(); | |||
6231 | auto ToDG = importChecked(Err, S->getDeclGroup()); | |||
6232 | auto ToBeginLoc = importChecked(Err, S->getBeginLoc()); | |||
6233 | auto ToEndLoc = importChecked(Err, S->getEndLoc()); | |||
6234 | if (Err) | |||
6235 | return std::move(Err); | |||
6236 | return new (Importer.getToContext()) DeclStmt(ToDG, ToBeginLoc, ToEndLoc); | |||
6237 | } | |||
6238 | ||||
6239 | ExpectedStmt ASTNodeImporter::VisitNullStmt(NullStmt *S) { | |||
6240 | ExpectedSLoc ToSemiLocOrErr = import(S->getSemiLoc()); | |||
6241 | if (!ToSemiLocOrErr) | |||
6242 | return ToSemiLocOrErr.takeError(); | |||
6243 | return new (Importer.getToContext()) NullStmt( | |||
6244 | *ToSemiLocOrErr, S->hasLeadingEmptyMacro()); | |||
6245 | } | |||
6246 | ||||
6247 | ExpectedStmt ASTNodeImporter::VisitCompoundStmt(CompoundStmt *S) { | |||
6248 | SmallVector<Stmt *, 8> ToStmts(S->size()); | |||
6249 | ||||
6250 | if (Error Err = ImportContainerChecked(S->body(), ToStmts)) | |||
6251 | return std::move(Err); | |||
6252 | ||||
6253 | ExpectedSLoc ToLBracLocOrErr = import(S->getLBracLoc()); | |||
6254 | if (!ToLBracLocOrErr) | |||
6255 | return ToLBracLocOrErr.takeError(); | |||
6256 | ||||
6257 | ExpectedSLoc ToRBracLocOrErr = import(S->getRBracLoc()); | |||
6258 | if (!ToRBracLocOrErr) | |||
6259 | return ToRBracLocOrErr.takeError(); | |||
6260 | ||||
6261 | return CompoundStmt::Create( | |||
6262 | Importer.getToContext(), ToStmts, | |||
6263 | *ToLBracLocOrErr, *ToRBracLocOrErr); | |||
6264 | } | |||
6265 | ||||
6266 | ExpectedStmt ASTNodeImporter::VisitCaseStmt(CaseStmt *S) { | |||
6267 | ||||
6268 | Error Err = Error::success(); | |||
6269 | auto ToLHS = importChecked(Err, S->getLHS()); | |||
6270 | auto ToRHS = importChecked(Err, S->getRHS()); | |||
6271 | auto ToSubStmt = importChecked(Err, S->getSubStmt()); | |||
6272 | auto ToCaseLoc = importChecked(Err, S->getCaseLoc()); | |||
6273 | auto ToEllipsisLoc = importChecked(Err, S->getEllipsisLoc()); | |||
6274 | auto ToColonLoc = importChecked(Err, S->getColonLoc()); | |||
6275 | if (Err) | |||
6276 | return std::move(Err); | |||
6277 | ||||
6278 | auto *ToStmt = CaseStmt::Create(Importer.getToContext(), ToLHS, ToRHS, | |||
6279 | ToCaseLoc, ToEllipsisLoc, ToColonLoc); | |||
6280 | ToStmt->setSubStmt(ToSubStmt); | |||
6281 | ||||
6282 | return ToStmt; | |||
6283 | } | |||
6284 | ||||
6285 | ExpectedStmt ASTNodeImporter::VisitDefaultStmt(DefaultStmt *S) { | |||
6286 | ||||
6287 | Error Err = Error::success(); | |||
6288 | auto ToDefaultLoc = importChecked(Err, S->getDefaultLoc()); | |||
6289 | auto ToColonLoc = importChecked(Err, S->getColonLoc()); | |||
6290 | auto ToSubStmt = importChecked(Err, S->getSubStmt()); | |||
6291 | if (Err) | |||
6292 | return std::move(Err); | |||
6293 | ||||
6294 | return new (Importer.getToContext()) DefaultStmt( | |||
6295 | ToDefaultLoc, ToColonLoc, ToSubStmt); | |||
6296 | } | |||
6297 | ||||
6298 | ExpectedStmt ASTNodeImporter::VisitLabelStmt(LabelStmt *S) { | |||
6299 | ||||
6300 | Error Err = Error::success(); | |||
6301 | auto ToIdentLoc = importChecked(Err, S->getIdentLoc()); | |||
6302 | auto ToLabelDecl = importChecked(Err, S->getDecl()); | |||
6303 | auto ToSubStmt = importChecked(Err, S->getSubStmt()); | |||
6304 | if (Err) | |||
6305 | return std::move(Err); | |||
6306 | ||||
6307 | return new (Importer.getToContext()) LabelStmt( | |||
6308 | ToIdentLoc, ToLabelDecl, ToSubStmt); | |||
6309 | } | |||
6310 | ||||
6311 | ExpectedStmt ASTNodeImporter::VisitAttributedStmt(AttributedStmt *S) { | |||
6312 | ExpectedSLoc ToAttrLocOrErr = import(S->getAttrLoc()); | |||
6313 | if (!ToAttrLocOrErr) | |||
6314 | return ToAttrLocOrErr.takeError(); | |||
6315 | ArrayRef<const Attr*> FromAttrs(S->getAttrs()); | |||
6316 | SmallVector<const Attr *, 1> ToAttrs(FromAttrs.size()); | |||
6317 | if (Error Err = ImportContainerChecked(FromAttrs, ToAttrs)) | |||
6318 | return std::move(Err); | |||
6319 | ExpectedStmt ToSubStmtOrErr = import(S->getSubStmt()); | |||
6320 | if (!ToSubStmtOrErr) | |||
6321 | return ToSubStmtOrErr.takeError(); | |||
6322 | ||||
6323 | return AttributedStmt::Create( | |||
6324 | Importer.getToContext(), *ToAttrLocOrErr, ToAttrs, *ToSubStmtOrErr); | |||
6325 | } | |||
6326 | ||||
6327 | ExpectedStmt ASTNodeImporter::VisitIfStmt(IfStmt *S) { | |||
6328 | ||||
6329 | Error Err = Error::success(); | |||
6330 | auto ToIfLoc = importChecked(Err, S->getIfLoc()); | |||
6331 | auto ToInit = importChecked(Err, S->getInit()); | |||
6332 | auto ToConditionVariable = importChecked(Err, S->getConditionVariable()); | |||
6333 | auto ToCond = importChecked(Err, S->getCond()); | |||
6334 | auto ToLParenLoc = importChecked(Err, S->getLParenLoc()); | |||
6335 | auto ToRParenLoc = importChecked(Err, S->getRParenLoc()); | |||
6336 | auto ToThen = importChecked(Err, S->getThen()); | |||
6337 | auto ToElseLoc = importChecked(Err, S->getElseLoc()); | |||
6338 | auto ToElse = importChecked(Err, S->getElse()); | |||
6339 | if (Err) | |||
6340 | return std::move(Err); | |||
6341 | ||||
6342 | return IfStmt::Create(Importer.getToContext(), ToIfLoc, S->isConstexpr(), | |||
6343 | ToInit, ToConditionVariable, ToCond, ToLParenLoc, | |||
6344 | ToRParenLoc, ToThen, ToElseLoc, ToElse); | |||
6345 | } | |||
6346 | ||||
6347 | ExpectedStmt ASTNodeImporter::VisitSwitchStmt(SwitchStmt *S) { | |||
6348 |