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/ASTContext.h" |
16 | #include "clang/AST/ASTDiagnostic.h" |
17 | #include "clang/AST/ASTImporterSharedState.h" |
18 | #include "clang/AST/ASTLambda.h" |
19 | #include "clang/AST/ASTStructuralEquivalence.h" |
20 | #include "clang/AST/Attr.h" |
21 | #include "clang/AST/Decl.h" |
22 | #include "clang/AST/DeclAccessPair.h" |
23 | #include "clang/AST/DeclBase.h" |
24 | #include "clang/AST/DeclCXX.h" |
25 | #include "clang/AST/DeclFriend.h" |
26 | #include "clang/AST/DeclGroup.h" |
27 | #include "clang/AST/DeclObjC.h" |
28 | #include "clang/AST/DeclTemplate.h" |
29 | #include "clang/AST/DeclVisitor.h" |
30 | #include "clang/AST/DeclarationName.h" |
31 | #include "clang/AST/Expr.h" |
32 | #include "clang/AST/ExprCXX.h" |
33 | #include "clang/AST/ExprObjC.h" |
34 | #include "clang/AST/ExternalASTSource.h" |
35 | #include "clang/AST/LambdaCapture.h" |
36 | #include "clang/AST/NestedNameSpecifier.h" |
37 | #include "clang/AST/OperationKinds.h" |
38 | #include "clang/AST/Stmt.h" |
39 | #include "clang/AST/StmtCXX.h" |
40 | #include "clang/AST/StmtObjC.h" |
41 | #include "clang/AST/StmtVisitor.h" |
42 | #include "clang/AST/TemplateBase.h" |
43 | #include "clang/AST/TemplateName.h" |
44 | #include "clang/AST/Type.h" |
45 | #include "clang/AST/TypeLoc.h" |
46 | #include "clang/AST/TypeVisitor.h" |
47 | #include "clang/AST/UnresolvedSet.h" |
48 | #include "clang/Basic/Builtins.h" |
49 | #include "clang/Basic/ExceptionSpecificationType.h" |
50 | #include "clang/Basic/FileManager.h" |
51 | #include "clang/Basic/IdentifierTable.h" |
52 | #include "clang/Basic/LLVM.h" |
53 | #include "clang/Basic/LangOptions.h" |
54 | #include "clang/Basic/SourceLocation.h" |
55 | #include "clang/Basic/SourceManager.h" |
56 | #include "clang/Basic/Specifiers.h" |
57 | #include "llvm/ADT/ArrayRef.h" |
58 | #include "llvm/ADT/DenseMap.h" |
59 | #include "llvm/ADT/STLExtras.h" |
60 | #include "llvm/ADT/ScopeExit.h" |
61 | #include "llvm/ADT/SmallVector.h" |
62 | #include "llvm/Support/ErrorHandling.h" |
63 | #include "llvm/Support/MemoryBuffer.h" |
64 | #include <algorithm> |
65 | #include <cassert> |
66 | #include <cstddef> |
67 | #include <memory> |
68 | #include <optional> |
69 | #include <type_traits> |
70 | #include <utility> |
71 | |
72 | namespace clang { |
73 | |
74 | using llvm::make_error; |
75 | using llvm::Error; |
76 | using llvm::Expected; |
77 | using ExpectedTypePtr = llvm::Expected<const Type *>; |
78 | using ExpectedType = llvm::Expected<QualType>; |
79 | using ExpectedStmt = llvm::Expected<Stmt *>; |
80 | using ExpectedExpr = llvm::Expected<Expr *>; |
81 | using ExpectedDecl = llvm::Expected<Decl *>; |
82 | using ExpectedSLoc = llvm::Expected<SourceLocation>; |
83 | using ExpectedName = llvm::Expected<DeclarationName>; |
84 | |
85 | std::string ASTImportError::toString() const { |
86 | // FIXME: Improve error texts. |
87 | switch (Error) { |
88 | case NameConflict: |
89 | return "NameConflict"; |
90 | case UnsupportedConstruct: |
91 | return "UnsupportedConstruct"; |
92 | case Unknown: |
93 | return "Unknown error"; |
94 | } |
95 | llvm_unreachable("Invalid error code."); |
96 | return "Invalid error code."; |
97 | } |
98 | |
99 | void ASTImportError::log(raw_ostream &OS) const { OS << toString(); } |
100 | |
101 | std::error_code ASTImportError::convertToErrorCode() const { |
102 | llvm_unreachable("Function not implemented."); |
103 | } |
104 | |
105 | char ASTImportError::ID; |
106 | |
107 | template <class T> |
108 | static SmallVector<Decl *, 2> |
109 | getCanonicalForwardRedeclChain(Redeclarable<T> *D) { |
110 | SmallVector<Decl *, 2> Redecls; |
111 | for (auto *R : D->getFirstDecl()->redecls()) { |
112 | if (R != D->getFirstDecl()) |
113 | Redecls.push_back(Elt: R); |
114 | } |
115 | Redecls.push_back(Elt: D->getFirstDecl()); |
116 | std::reverse(first: Redecls.begin(), last: Redecls.end()); |
117 | return Redecls; |
118 | } |
119 | |
120 | SmallVector<Decl*, 2> getCanonicalForwardRedeclChain(Decl* D) { |
121 | if (auto *FD = dyn_cast<FunctionDecl>(Val: D)) |
122 | return getCanonicalForwardRedeclChain<FunctionDecl>(FD); |
123 | if (auto *VD = dyn_cast<VarDecl>(Val: D)) |
124 | return getCanonicalForwardRedeclChain<VarDecl>(VD); |
125 | if (auto *TD = dyn_cast<TagDecl>(Val: D)) |
126 | return getCanonicalForwardRedeclChain<TagDecl>(TD); |
127 | llvm_unreachable("Bad declaration kind"); |
128 | } |
129 | |
130 | static void updateFlags(const Decl *From, Decl *To) { |
131 | // Check if some flags or attrs are new in 'From' and copy into 'To'. |
132 | // FIXME: Other flags or attrs? |
133 | if (From->isUsed(CheckUsedAttr: false) && !To->isUsed(CheckUsedAttr: false)) |
134 | To->setIsUsed(); |
135 | } |
136 | |
137 | /// How to handle import errors that occur when import of a child declaration |
138 | /// of a DeclContext fails. |
139 | class ChildErrorHandlingStrategy { |
140 | /// This context is imported (in the 'from' domain). |
141 | /// It is nullptr if a non-DeclContext is imported. |
142 | const DeclContext *const FromDC; |
143 | /// Ignore import errors of the children. |
144 | /// If true, the context can be imported successfully if a child |
145 | /// of it failed to import. Otherwise the import errors of the child nodes |
146 | /// are accumulated (joined) into the import error object of the parent. |
147 | /// (Import of a parent can fail in other ways.) |
148 | bool const IgnoreChildErrors; |
149 | |
150 | public: |
151 | ChildErrorHandlingStrategy(const DeclContext *FromDC) |
152 | : FromDC(FromDC), IgnoreChildErrors(!isa<TagDecl>(Val: FromDC)) {} |
153 | ChildErrorHandlingStrategy(const Decl *FromD) |
154 | : FromDC(dyn_cast<DeclContext>(Val: FromD)), |
155 | IgnoreChildErrors(!isa<TagDecl>(Val: FromD)) {} |
156 | |
157 | /// Process the import result of a child (of the current declaration). |
158 | /// \param ResultErr The import error that can be used as result of |
159 | /// importing the parent. This may be changed by the function. |
160 | /// \param ChildErr Result of importing a child. Can be success or error. |
161 | void handleChildImportResult(Error &ResultErr, Error &&ChildErr) { |
162 | if (ChildErr && !IgnoreChildErrors) |
163 | ResultErr = joinErrors(E1: std::move(ResultErr), E2: std::move(ChildErr)); |
164 | else |
165 | consumeError(Err: std::move(ChildErr)); |
166 | } |
167 | |
168 | /// Determine if import failure of a child does not cause import failure of |
169 | /// its parent. |
170 | bool ignoreChildErrorOnParent(Decl *FromChildD) const { |
171 | if (!IgnoreChildErrors || !FromDC) |
172 | return false; |
173 | return FromDC->containsDecl(D: FromChildD); |
174 | } |
175 | }; |
176 | |
177 | class ASTNodeImporter : public TypeVisitor<ASTNodeImporter, ExpectedType>, |
178 | public DeclVisitor<ASTNodeImporter, ExpectedDecl>, |
179 | public StmtVisitor<ASTNodeImporter, ExpectedStmt> { |
180 | ASTImporter &Importer; |
181 | |
182 | // Use this instead of Importer.importInto . |
183 | template <typename ImportT> |
184 | [[nodiscard]] Error importInto(ImportT &To, const ImportT &From) { |
185 | return Importer.importInto(To, From); |
186 | } |
187 | |
188 | // Use this to import pointers of specific type. |
189 | template <typename ImportT> |
190 | [[nodiscard]] Error importInto(ImportT *&To, ImportT *From) { |
191 | auto ToOrErr = Importer.Import(From); |
192 | if (ToOrErr) |
193 | To = cast_or_null<ImportT>(*ToOrErr); |
194 | return ToOrErr.takeError(); |
195 | } |
196 | |
197 | // Call the import function of ASTImporter for a baseclass of type `T` and |
198 | // cast the return value to `T`. |
199 | template <typename T> |
200 | auto import(T *From) |
201 | -> std::conditional_t<std::is_base_of_v<Type, T>, Expected<const T *>, |
202 | Expected<T *>> { |
203 | auto ToOrErr = Importer.Import(From); |
204 | if (!ToOrErr) |
205 | return ToOrErr.takeError(); |
206 | return cast_or_null<T>(*ToOrErr); |
207 | } |
208 | |
209 | template <typename T> |
210 | auto import(const T *From) { |
211 | return import(const_cast<T *>(From)); |
212 | } |
213 | |
214 | // Call the import function of ASTImporter for type `T`. |
215 | template <typename T> |
216 | Expected<T> import(const T &From) { |
217 | return Importer.Import(From); |
218 | } |
219 | |
220 | // Import an std::optional<T> by importing the contained T, if any. |
221 | template <typename T> |
222 | Expected<std::optional<T>> import(std::optional<T> From) { |
223 | if (!From) |
224 | return std::nullopt; |
225 | return import(*From); |
226 | } |
227 | |
228 | ExplicitSpecifier importExplicitSpecifier(Error &Err, |
229 | ExplicitSpecifier ESpec); |
230 | |
231 | // Wrapper for an overload set. |
232 | template <typename ToDeclT> struct CallOverloadedCreateFun { |
233 | template <typename... Args> decltype(auto) operator()(Args &&... args) { |
234 | return ToDeclT::Create(std::forward<Args>(args)...); |
235 | } |
236 | }; |
237 | |
238 | // Always use these functions to create a Decl during import. There are |
239 | // certain tasks which must be done after the Decl was created, e.g. we |
240 | // must immediately register that as an imported Decl. The parameter `ToD` |
241 | // will be set to the newly created Decl or if had been imported before |
242 | // then to the already imported Decl. Returns a bool value set to true if |
243 | // the `FromD` had been imported before. |
244 | template <typename ToDeclT, typename FromDeclT, typename... Args> |
245 | [[nodiscard]] bool GetImportedOrCreateDecl(ToDeclT *&ToD, FromDeclT *FromD, |
246 | Args &&...args) { |
247 | // There may be several overloads of ToDeclT::Create. We must make sure |
248 | // to call the one which would be chosen by the arguments, thus we use a |
249 | // wrapper for the overload set. |
250 | CallOverloadedCreateFun<ToDeclT> OC; |
251 | return GetImportedOrCreateSpecialDecl(ToD, OC, FromD, |
252 | std::forward<Args>(args)...); |
253 | } |
254 | // Use this overload if a special Type is needed to be created. E.g if we |
255 | // want to create a `TypeAliasDecl` and assign that to a `TypedefNameDecl` |
256 | // then: |
257 | // TypedefNameDecl *ToTypedef; |
258 | // GetImportedOrCreateDecl<TypeAliasDecl>(ToTypedef, FromD, ...); |
259 | template <typename NewDeclT, typename ToDeclT, typename FromDeclT, |
260 | typename... Args> |
261 | [[nodiscard]] bool GetImportedOrCreateDecl(ToDeclT *&ToD, FromDeclT *FromD, |
262 | Args &&...args) { |
263 | CallOverloadedCreateFun<NewDeclT> OC; |
264 | return GetImportedOrCreateSpecialDecl(ToD, OC, FromD, |
265 | std::forward<Args>(args)...); |
266 | } |
267 | // Use this version if a special create function must be |
268 | // used, e.g. CXXRecordDecl::CreateLambda . |
269 | template <typename ToDeclT, typename CreateFunT, typename FromDeclT, |
270 | typename... Args> |
271 | [[nodiscard]] bool |
272 | GetImportedOrCreateSpecialDecl(ToDeclT *&ToD, CreateFunT CreateFun, |
273 | FromDeclT *FromD, Args &&...args) { |
274 | if (Importer.getImportDeclErrorIfAny(FromD)) { |
275 | ToD = nullptr; |
276 | return true; // Already imported but with error. |
277 | } |
278 | ToD = cast_or_null<ToDeclT>(Importer.GetAlreadyImportedOrNull(FromD)); |
279 | if (ToD) |
280 | return true; // Already imported. |
281 | ToD = CreateFun(std::forward<Args>(args)...); |
282 | // Keep track of imported Decls. |
283 | Importer.RegisterImportedDecl(FromD, ToD); |
284 | Importer.SharedState->markAsNewDecl(ToD); |
285 | InitializeImportedDecl(FromD, ToD); |
286 | return false; // A new Decl is created. |
287 | } |
288 | |
289 | void InitializeImportedDecl(Decl *FromD, Decl *ToD) { |
290 | ToD->IdentifierNamespace = FromD->IdentifierNamespace; |
291 | if (FromD->isUsed()) |
292 | ToD->setIsUsed(); |
293 | if (FromD->isImplicit()) |
294 | ToD->setImplicit(); |
295 | } |
296 | |
297 | // Check if we have found an existing definition. Returns with that |
298 | // definition if yes, otherwise returns null. |
299 | Decl *FindAndMapDefinition(FunctionDecl *D, FunctionDecl *FoundFunction) { |
300 | const FunctionDecl *Definition = nullptr; |
301 | if (D->doesThisDeclarationHaveABody() && |
302 | FoundFunction->hasBody(Definition)) |
303 | return Importer.MapImported(D, const_cast<FunctionDecl *>(Definition)); |
304 | return nullptr; |
305 | } |
306 | |
307 | void addDeclToContexts(Decl *FromD, Decl *ToD) { |
308 | if (Importer.isMinimalImport()) { |
309 | // In minimal import case the decl must be added even if it is not |
310 | // contained in original context, for LLDB compatibility. |
311 | // FIXME: Check if a better solution is possible. |
312 | if (!FromD->getDescribedTemplate() && |
313 | FromD->getFriendObjectKind() == Decl::FOK_None) |
314 | ToD->getLexicalDeclContext()->addDeclInternal(D: ToD); |
315 | return; |
316 | } |
317 | |
318 | DeclContext *FromDC = FromD->getDeclContext(); |
319 | DeclContext *FromLexicalDC = FromD->getLexicalDeclContext(); |
320 | DeclContext *ToDC = ToD->getDeclContext(); |
321 | DeclContext *ToLexicalDC = ToD->getLexicalDeclContext(); |
322 | |
323 | bool Visible = false; |
324 | if (FromDC->containsDeclAndLoad(D: FromD)) { |
325 | ToDC->addDeclInternal(D: ToD); |
326 | Visible = true; |
327 | } |
328 | if (ToDC != ToLexicalDC && FromLexicalDC->containsDeclAndLoad(D: FromD)) { |
329 | ToLexicalDC->addDeclInternal(D: ToD); |
330 | Visible = true; |
331 | } |
332 | |
333 | // If the Decl was added to any context, it was made already visible. |
334 | // Otherwise it is still possible that it should be visible. |
335 | if (!Visible) { |
336 | if (auto *FromNamed = dyn_cast<NamedDecl>(FromD)) { |
337 | auto *ToNamed = cast<NamedDecl>(ToD); |
338 | DeclContextLookupResult FromLookup = |
339 | FromDC->lookup(Name: FromNamed->getDeclName()); |
340 | if (llvm::is_contained(FromLookup, FromNamed)) |
341 | ToDC->makeDeclVisibleInContext(D: ToNamed); |
342 | } |
343 | } |
344 | } |
345 | |
346 | void updateLookupTableForTemplateParameters(TemplateParameterList &Params, |
347 | DeclContext *OldDC) { |
348 | ASTImporterLookupTable *LT = Importer.SharedState->getLookupTable(); |
349 | if (!LT) |
350 | return; |
351 | |
352 | for (NamedDecl *TP : Params) |
353 | LT->update(ND: TP, OldDC); |
354 | } |
355 | |
356 | void updateLookupTableForTemplateParameters(TemplateParameterList &Params) { |
357 | updateLookupTableForTemplateParameters( |
358 | Params, Importer.getToContext().getTranslationUnitDecl()); |
359 | } |
360 | |
361 | template <typename TemplateParmDeclT> |
362 | Error importTemplateParameterDefaultArgument(const TemplateParmDeclT *D, |
363 | TemplateParmDeclT *ToD) { |
364 | if (D->hasDefaultArgument()) { |
365 | if (D->defaultArgumentWasInherited()) { |
366 | Expected<TemplateParmDeclT *> ToInheritedFromOrErr = |
367 | import(D->getDefaultArgStorage().getInheritedFrom()); |
368 | if (!ToInheritedFromOrErr) |
369 | return ToInheritedFromOrErr.takeError(); |
370 | TemplateParmDeclT *ToInheritedFrom = *ToInheritedFromOrErr; |
371 | if (!ToInheritedFrom->hasDefaultArgument()) { |
372 | // Resolve possible circular dependency between default value of the |
373 | // template argument and the template declaration. |
374 | Expected<TemplateArgumentLoc> ToInheritedDefaultArgOrErr = |
375 | import(D->getDefaultArgStorage() |
376 | .getInheritedFrom() |
377 | ->getDefaultArgument()); |
378 | if (!ToInheritedDefaultArgOrErr) |
379 | return ToInheritedDefaultArgOrErr.takeError(); |
380 | ToInheritedFrom->setDefaultArgument(Importer.getToContext(), |
381 | *ToInheritedDefaultArgOrErr); |
382 | } |
383 | ToD->setInheritedDefaultArgument(ToD->getASTContext(), |
384 | ToInheritedFrom); |
385 | } else { |
386 | Expected<TemplateArgumentLoc> ToDefaultArgOrErr = |
387 | import(D->getDefaultArgument()); |
388 | if (!ToDefaultArgOrErr) |
389 | return ToDefaultArgOrErr.takeError(); |
390 | // Default argument could have been set in the |
391 | // '!ToInheritedFrom->hasDefaultArgument()' branch above. |
392 | if (!ToD->hasDefaultArgument()) |
393 | ToD->setDefaultArgument(Importer.getToContext(), |
394 | *ToDefaultArgOrErr); |
395 | } |
396 | } |
397 | return Error::success(); |
398 | } |
399 | |
400 | public: |
401 | explicit ASTNodeImporter(ASTImporter &Importer) : Importer(Importer) {} |
402 | |
403 | using TypeVisitor<ASTNodeImporter, ExpectedType>::Visit; |
404 | using DeclVisitor<ASTNodeImporter, ExpectedDecl>::Visit; |
405 | using StmtVisitor<ASTNodeImporter, ExpectedStmt>::Visit; |
406 | |
407 | // Importing types |
408 | ExpectedType VisitType(const Type *T); |
409 | #define TYPE(Class, Base) \ |
410 | ExpectedType Visit##Class##Type(const Class##Type *T); |
411 | #include "clang/AST/TypeNodes.inc" |
412 | |
413 | // Importing declarations |
414 | Error ImportDeclParts(NamedDecl *D, DeclarationName &Name, NamedDecl *&ToD, |
415 | SourceLocation &Loc); |
416 | Error ImportDeclParts( |
417 | NamedDecl *D, DeclContext *&DC, DeclContext *&LexicalDC, |
418 | DeclarationName &Name, NamedDecl *&ToD, SourceLocation &Loc); |
419 | Error ImportDefinitionIfNeeded(Decl *FromD, Decl *ToD = nullptr); |
420 | Error ImportDeclarationNameLoc( |
421 | const DeclarationNameInfo &From, DeclarationNameInfo &To); |
422 | Error ImportDeclContext(DeclContext *FromDC, bool ForceImport = false); |
423 | Error ImportDeclContext( |
424 | Decl *From, DeclContext *&ToDC, DeclContext *&ToLexicalDC); |
425 | Error ImportImplicitMethods(const CXXRecordDecl *From, CXXRecordDecl *To); |
426 | |
427 | Error ImportFieldDeclDefinition(const FieldDecl *From, const FieldDecl *To); |
428 | Expected<CXXCastPath> ImportCastPath(CastExpr *E); |
429 | Expected<APValue> ImportAPValue(const APValue &FromValue); |
430 | |
431 | using Designator = DesignatedInitExpr::Designator; |
432 | |
433 | /// What we should import from the definition. |
434 | enum ImportDefinitionKind { |
435 | /// Import the default subset of the definition, which might be |
436 | /// nothing (if minimal import is set) or might be everything (if minimal |
437 | /// import is not set). |
438 | IDK_Default, |
439 | /// Import everything. |
440 | IDK_Everything, |
441 | /// Import only the bare bones needed to establish a valid |
442 | /// DeclContext. |
443 | IDK_Basic |
444 | }; |
445 | |
446 | bool shouldForceImportDeclContext(ImportDefinitionKind IDK) { |
447 | return IDK == IDK_Everything || |
448 | (IDK == IDK_Default && !Importer.isMinimalImport()); |
449 | } |
450 | |
451 | Error ImportInitializer(VarDecl *From, VarDecl *To); |
452 | Error ImportDefinition( |
453 | RecordDecl *From, RecordDecl *To, |
454 | ImportDefinitionKind Kind = IDK_Default); |
455 | Error ImportDefinition( |
456 | EnumDecl *From, EnumDecl *To, |
457 | ImportDefinitionKind Kind = IDK_Default); |
458 | Error ImportDefinition( |
459 | ObjCInterfaceDecl *From, ObjCInterfaceDecl *To, |
460 | ImportDefinitionKind Kind = IDK_Default); |
461 | Error ImportDefinition( |
462 | ObjCProtocolDecl *From, ObjCProtocolDecl *To, |
463 | ImportDefinitionKind Kind = IDK_Default); |
464 | Error ImportTemplateArguments(ArrayRef<TemplateArgument> FromArgs, |
465 | SmallVectorImpl<TemplateArgument> &ToArgs); |
466 | Expected<TemplateArgument> |
467 | ImportTemplateArgument(const TemplateArgument &From); |
468 | |
469 | template <typename InContainerTy> |
470 | Error ImportTemplateArgumentListInfo( |
471 | const InContainerTy &Container, TemplateArgumentListInfo &ToTAInfo); |
472 | |
473 | template<typename InContainerTy> |
474 | Error ImportTemplateArgumentListInfo( |
475 | SourceLocation FromLAngleLoc, SourceLocation FromRAngleLoc, |
476 | const InContainerTy &Container, TemplateArgumentListInfo &Result); |
477 | |
478 | using TemplateArgsTy = SmallVector<TemplateArgument, 8>; |
479 | using FunctionTemplateAndArgsTy = |
480 | std::tuple<FunctionTemplateDecl *, TemplateArgsTy>; |
481 | Expected<FunctionTemplateAndArgsTy> |
482 | ImportFunctionTemplateWithTemplateArgsFromSpecialization( |
483 | FunctionDecl *FromFD); |
484 | |
485 | template <typename DeclTy> |
486 | Error ImportTemplateParameterLists(const DeclTy *FromD, DeclTy *ToD); |
487 | |
488 | Error ImportTemplateInformation(FunctionDecl *FromFD, FunctionDecl *ToFD); |
489 | |
490 | Error ImportFunctionDeclBody(FunctionDecl *FromFD, FunctionDecl *ToFD); |
491 | |
492 | Error ImportDefaultArgOfParmVarDecl(const ParmVarDecl *FromParam, |
493 | ParmVarDecl *ToParam); |
494 | |
495 | Expected<InheritedConstructor> |
496 | ImportInheritedConstructor(const InheritedConstructor &From); |
497 | |
498 | template <typename T> |
499 | bool hasSameVisibilityContextAndLinkage(T *Found, T *From); |
500 | |
501 | bool IsStructuralMatch(Decl *From, Decl *To, bool Complain = true, |
502 | bool IgnoreTemplateParmDepth = false); |
503 | ExpectedDecl VisitDecl(Decl *D); |
504 | ExpectedDecl VisitImportDecl(ImportDecl *D); |
505 | ExpectedDecl VisitEmptyDecl(EmptyDecl *D); |
506 | ExpectedDecl VisitAccessSpecDecl(AccessSpecDecl *D); |
507 | ExpectedDecl VisitStaticAssertDecl(StaticAssertDecl *D); |
508 | ExpectedDecl VisitTranslationUnitDecl(TranslationUnitDecl *D); |
509 | ExpectedDecl VisitBindingDecl(BindingDecl *D); |
510 | ExpectedDecl VisitNamespaceDecl(NamespaceDecl *D); |
511 | ExpectedDecl VisitNamespaceAliasDecl(NamespaceAliasDecl *D); |
512 | ExpectedDecl VisitTypedefNameDecl(TypedefNameDecl *D, bool IsAlias); |
513 | ExpectedDecl VisitTypedefDecl(TypedefDecl *D); |
514 | ExpectedDecl VisitTypeAliasDecl(TypeAliasDecl *D); |
515 | ExpectedDecl VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D); |
516 | ExpectedDecl VisitLabelDecl(LabelDecl *D); |
517 | ExpectedDecl VisitEnumDecl(EnumDecl *D); |
518 | ExpectedDecl VisitRecordDecl(RecordDecl *D); |
519 | ExpectedDecl VisitEnumConstantDecl(EnumConstantDecl *D); |
520 | ExpectedDecl VisitFunctionDecl(FunctionDecl *D); |
521 | ExpectedDecl VisitCXXMethodDecl(CXXMethodDecl *D); |
522 | ExpectedDecl VisitCXXConstructorDecl(CXXConstructorDecl *D); |
523 | ExpectedDecl VisitCXXDestructorDecl(CXXDestructorDecl *D); |
524 | ExpectedDecl VisitCXXConversionDecl(CXXConversionDecl *D); |
525 | ExpectedDecl VisitCXXDeductionGuideDecl(CXXDeductionGuideDecl *D); |
526 | ExpectedDecl VisitFieldDecl(FieldDecl *D); |
527 | ExpectedDecl VisitIndirectFieldDecl(IndirectFieldDecl *D); |
528 | ExpectedDecl VisitFriendDecl(FriendDecl *D); |
529 | ExpectedDecl VisitObjCIvarDecl(ObjCIvarDecl *D); |
530 | ExpectedDecl VisitVarDecl(VarDecl *D); |
531 | ExpectedDecl VisitImplicitParamDecl(ImplicitParamDecl *D); |
532 | ExpectedDecl VisitParmVarDecl(ParmVarDecl *D); |
533 | ExpectedDecl VisitObjCMethodDecl(ObjCMethodDecl *D); |
534 | ExpectedDecl VisitObjCTypeParamDecl(ObjCTypeParamDecl *D); |
535 | ExpectedDecl VisitObjCCategoryDecl(ObjCCategoryDecl *D); |
536 | ExpectedDecl VisitObjCProtocolDecl(ObjCProtocolDecl *D); |
537 | ExpectedDecl VisitLinkageSpecDecl(LinkageSpecDecl *D); |
538 | ExpectedDecl VisitUsingDecl(UsingDecl *D); |
539 | ExpectedDecl VisitUsingShadowDecl(UsingShadowDecl *D); |
540 | ExpectedDecl VisitUsingDirectiveDecl(UsingDirectiveDecl *D); |
541 | ExpectedDecl VisitUsingPackDecl(UsingPackDecl *D); |
542 | ExpectedDecl ImportUsingShadowDecls(BaseUsingDecl *D, BaseUsingDecl *ToSI); |
543 | ExpectedDecl VisitUsingEnumDecl(UsingEnumDecl *D); |
544 | ExpectedDecl VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D); |
545 | ExpectedDecl VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D); |
546 | ExpectedDecl VisitBuiltinTemplateDecl(BuiltinTemplateDecl *D); |
547 | ExpectedDecl |
548 | VisitLifetimeExtendedTemporaryDecl(LifetimeExtendedTemporaryDecl *D); |
549 | |
550 | Expected<ObjCTypeParamList *> |
551 | ImportObjCTypeParamList(ObjCTypeParamList *list); |
552 | |
553 | ExpectedDecl VisitObjCInterfaceDecl(ObjCInterfaceDecl *D); |
554 | ExpectedDecl VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D); |
555 | ExpectedDecl VisitObjCImplementationDecl(ObjCImplementationDecl *D); |
556 | ExpectedDecl VisitObjCPropertyDecl(ObjCPropertyDecl *D); |
557 | ExpectedDecl VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D); |
558 | ExpectedDecl VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D); |
559 | ExpectedDecl VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D); |
560 | ExpectedDecl VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D); |
561 | ExpectedDecl VisitClassTemplateDecl(ClassTemplateDecl *D); |
562 | ExpectedDecl VisitClassTemplateSpecializationDecl( |
563 | ClassTemplateSpecializationDecl *D); |
564 | ExpectedDecl VisitVarTemplateDecl(VarTemplateDecl *D); |
565 | ExpectedDecl VisitVarTemplateSpecializationDecl(VarTemplateSpecializationDecl *D); |
566 | ExpectedDecl VisitFunctionTemplateDecl(FunctionTemplateDecl *D); |
567 | |
568 | // Importing statements |
569 | ExpectedStmt VisitStmt(Stmt *S); |
570 | ExpectedStmt VisitGCCAsmStmt(GCCAsmStmt *S); |
571 | ExpectedStmt VisitDeclStmt(DeclStmt *S); |
572 | ExpectedStmt VisitNullStmt(NullStmt *S); |
573 | ExpectedStmt VisitCompoundStmt(CompoundStmt *S); |
574 | ExpectedStmt VisitCaseStmt(CaseStmt *S); |
575 | ExpectedStmt VisitDefaultStmt(DefaultStmt *S); |
576 | ExpectedStmt VisitLabelStmt(LabelStmt *S); |
577 | ExpectedStmt VisitAttributedStmt(AttributedStmt *S); |
578 | ExpectedStmt VisitIfStmt(IfStmt *S); |
579 | ExpectedStmt VisitSwitchStmt(SwitchStmt *S); |
580 | ExpectedStmt VisitWhileStmt(WhileStmt *S); |
581 | ExpectedStmt VisitDoStmt(DoStmt *S); |
582 | ExpectedStmt VisitForStmt(ForStmt *S); |
583 | ExpectedStmt VisitGotoStmt(GotoStmt *S); |
584 | ExpectedStmt VisitIndirectGotoStmt(IndirectGotoStmt *S); |
585 | ExpectedStmt VisitContinueStmt(ContinueStmt *S); |
586 | ExpectedStmt VisitBreakStmt(BreakStmt *S); |
587 | ExpectedStmt VisitReturnStmt(ReturnStmt *S); |
588 | // FIXME: MSAsmStmt |
589 | // FIXME: SEHExceptStmt |
590 | // FIXME: SEHFinallyStmt |
591 | // FIXME: SEHTryStmt |
592 | // FIXME: SEHLeaveStmt |
593 | // FIXME: CapturedStmt |
594 | ExpectedStmt VisitCXXCatchStmt(CXXCatchStmt *S); |
595 | ExpectedStmt VisitCXXTryStmt(CXXTryStmt *S); |
596 | ExpectedStmt VisitCXXForRangeStmt(CXXForRangeStmt *S); |
597 | // FIXME: MSDependentExistsStmt |
598 | ExpectedStmt VisitObjCForCollectionStmt(ObjCForCollectionStmt *S); |
599 | ExpectedStmt VisitObjCAtCatchStmt(ObjCAtCatchStmt *S); |
600 | ExpectedStmt VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S); |
601 | ExpectedStmt VisitObjCAtTryStmt(ObjCAtTryStmt *S); |
602 | ExpectedStmt VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S); |
603 | ExpectedStmt VisitObjCAtThrowStmt(ObjCAtThrowStmt *S); |
604 | ExpectedStmt VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *S); |
605 | |
606 | // Importing expressions |
607 | ExpectedStmt VisitExpr(Expr *E); |
608 | ExpectedStmt VisitSourceLocExpr(SourceLocExpr *E); |
609 | ExpectedStmt VisitVAArgExpr(VAArgExpr *E); |
610 | ExpectedStmt VisitChooseExpr(ChooseExpr *E); |
611 | ExpectedStmt VisitConvertVectorExpr(ConvertVectorExpr *E); |
612 | ExpectedStmt VisitShuffleVectorExpr(ShuffleVectorExpr *E); |
613 | ExpectedStmt VisitGNUNullExpr(GNUNullExpr *E); |
614 | ExpectedStmt VisitGenericSelectionExpr(GenericSelectionExpr *E); |
615 | ExpectedStmt VisitPredefinedExpr(PredefinedExpr *E); |
616 | ExpectedStmt VisitDeclRefExpr(DeclRefExpr *E); |
617 | ExpectedStmt VisitImplicitValueInitExpr(ImplicitValueInitExpr *E); |
618 | ExpectedStmt VisitDesignatedInitExpr(DesignatedInitExpr *E); |
619 | ExpectedStmt VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E); |
620 | ExpectedStmt VisitIntegerLiteral(IntegerLiteral *E); |
621 | ExpectedStmt VisitFloatingLiteral(FloatingLiteral *E); |
622 | ExpectedStmt VisitImaginaryLiteral(ImaginaryLiteral *E); |
623 | ExpectedStmt VisitFixedPointLiteral(FixedPointLiteral *E); |
624 | ExpectedStmt VisitCharacterLiteral(CharacterLiteral *E); |
625 | ExpectedStmt VisitStringLiteral(StringLiteral *E); |
626 | ExpectedStmt VisitCompoundLiteralExpr(CompoundLiteralExpr *E); |
627 | ExpectedStmt VisitAtomicExpr(AtomicExpr *E); |
628 | ExpectedStmt VisitAddrLabelExpr(AddrLabelExpr *E); |
629 | ExpectedStmt VisitConstantExpr(ConstantExpr *E); |
630 | ExpectedStmt VisitParenExpr(ParenExpr *E); |
631 | ExpectedStmt VisitParenListExpr(ParenListExpr *E); |
632 | ExpectedStmt VisitStmtExpr(StmtExpr *E); |
633 | ExpectedStmt VisitUnaryOperator(UnaryOperator *E); |
634 | ExpectedStmt VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E); |
635 | ExpectedStmt VisitBinaryOperator(BinaryOperator *E); |
636 | ExpectedStmt VisitConditionalOperator(ConditionalOperator *E); |
637 | ExpectedStmt VisitBinaryConditionalOperator(BinaryConditionalOperator *E); |
638 | ExpectedStmt VisitCXXRewrittenBinaryOperator(CXXRewrittenBinaryOperator *E); |
639 | ExpectedStmt VisitOpaqueValueExpr(OpaqueValueExpr *E); |
640 | ExpectedStmt VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E); |
641 | ExpectedStmt VisitExpressionTraitExpr(ExpressionTraitExpr *E); |
642 | ExpectedStmt VisitArraySubscriptExpr(ArraySubscriptExpr *E); |
643 | ExpectedStmt VisitCompoundAssignOperator(CompoundAssignOperator *E); |
644 | ExpectedStmt VisitImplicitCastExpr(ImplicitCastExpr *E); |
645 | ExpectedStmt VisitExplicitCastExpr(ExplicitCastExpr *E); |
646 | ExpectedStmt VisitOffsetOfExpr(OffsetOfExpr *OE); |
647 | ExpectedStmt VisitCXXThrowExpr(CXXThrowExpr *E); |
648 | ExpectedStmt VisitCXXNoexceptExpr(CXXNoexceptExpr *E); |
649 | ExpectedStmt VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E); |
650 | ExpectedStmt VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E); |
651 | ExpectedStmt VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E); |
652 | ExpectedStmt VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E); |
653 | ExpectedStmt VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *E); |
654 | ExpectedStmt VisitPackExpansionExpr(PackExpansionExpr *E); |
655 | ExpectedStmt VisitSizeOfPackExpr(SizeOfPackExpr *E); |
656 | ExpectedStmt VisitCXXNewExpr(CXXNewExpr *E); |
657 | ExpectedStmt VisitCXXDeleteExpr(CXXDeleteExpr *E); |
658 | ExpectedStmt VisitCXXConstructExpr(CXXConstructExpr *E); |
659 | ExpectedStmt VisitCXXMemberCallExpr(CXXMemberCallExpr *E); |
660 | ExpectedStmt VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E); |
661 | ExpectedStmt VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E); |
662 | ExpectedStmt VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E); |
663 | ExpectedStmt VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E); |
664 | ExpectedStmt VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E); |
665 | ExpectedStmt VisitExprWithCleanups(ExprWithCleanups *E); |
666 | ExpectedStmt VisitCXXThisExpr(CXXThisExpr *E); |
667 | ExpectedStmt VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E); |
668 | ExpectedStmt VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E); |
669 | ExpectedStmt VisitMemberExpr(MemberExpr *E); |
670 | ExpectedStmt VisitCallExpr(CallExpr *E); |
671 | ExpectedStmt VisitLambdaExpr(LambdaExpr *LE); |
672 | ExpectedStmt VisitInitListExpr(InitListExpr *E); |
673 | ExpectedStmt VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr *E); |
674 | ExpectedStmt VisitCXXInheritedCtorInitExpr(CXXInheritedCtorInitExpr *E); |
675 | ExpectedStmt VisitArrayInitLoopExpr(ArrayInitLoopExpr *E); |
676 | ExpectedStmt VisitArrayInitIndexExpr(ArrayInitIndexExpr *E); |
677 | ExpectedStmt VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E); |
678 | ExpectedStmt VisitCXXNamedCastExpr(CXXNamedCastExpr *E); |
679 | ExpectedStmt VisitSubstNonTypeTemplateParmExpr(SubstNonTypeTemplateParmExpr *E); |
680 | ExpectedStmt VisitTypeTraitExpr(TypeTraitExpr *E); |
681 | ExpectedStmt VisitCXXTypeidExpr(CXXTypeidExpr *E); |
682 | ExpectedStmt VisitCXXFoldExpr(CXXFoldExpr *E); |
683 | |
684 | // Helper for chaining together multiple imports. If an error is detected, |
685 | // subsequent imports will return default constructed nodes, so that failure |
686 | // can be detected with a single conditional branch after a sequence of |
687 | // imports. |
688 | template <typename T> T importChecked(Error &Err, const T &From) { |
689 | // Don't attempt to import nodes if we hit an error earlier. |
690 | if (Err) |
691 | return T{}; |
692 | Expected<T> MaybeVal = import(From); |
693 | if (!MaybeVal) { |
694 | Err = MaybeVal.takeError(); |
695 | return T{}; |
696 | } |
697 | return *MaybeVal; |
698 | } |
699 | |
700 | template<typename IIter, typename OIter> |
701 | Error ImportArrayChecked(IIter Ibegin, IIter Iend, OIter Obegin) { |
702 | using ItemT = std::remove_reference_t<decltype(*Obegin)>; |
703 | for (; Ibegin != Iend; ++Ibegin, ++Obegin) { |
704 | Expected<ItemT> ToOrErr = import(*Ibegin); |
705 | if (!ToOrErr) |
706 | return ToOrErr.takeError(); |
707 | *Obegin = *ToOrErr; |
708 | } |
709 | return Error::success(); |
710 | } |
711 | |
712 | // Import every item from a container structure into an output container. |
713 | // If error occurs, stops at first error and returns the error. |
714 | // The output container should have space for all needed elements (it is not |
715 | // expanded, new items are put into from the beginning). |
716 | template<typename InContainerTy, typename OutContainerTy> |
717 | Error ImportContainerChecked( |
718 | const InContainerTy &InContainer, OutContainerTy &OutContainer) { |
719 | return ImportArrayChecked( |
720 | InContainer.begin(), InContainer.end(), OutContainer.begin()); |
721 | } |
722 | |
723 | template<typename InContainerTy, typename OIter> |
724 | Error ImportArrayChecked(const InContainerTy &InContainer, OIter Obegin) { |
725 | return ImportArrayChecked(InContainer.begin(), InContainer.end(), Obegin); |
726 | } |
727 | |
728 | Error ImportOverriddenMethods(CXXMethodDecl *ToMethod, |
729 | CXXMethodDecl *FromMethod); |
730 | |
731 | Expected<FunctionDecl *> FindFunctionTemplateSpecialization( |
732 | FunctionDecl *FromFD); |
733 | |
734 | // Returns true if the given function has a placeholder return type and |
735 | // that type is declared inside the body of the function. |
736 | // E.g. auto f() { struct X{}; return X(); } |
737 | bool hasReturnTypeDeclaredInside(FunctionDecl *D); |
738 | }; |
739 | |
740 | template <typename InContainerTy> |
741 | Error ASTNodeImporter::ImportTemplateArgumentListInfo( |
742 | SourceLocation FromLAngleLoc, SourceLocation FromRAngleLoc, |
743 | const InContainerTy &Container, TemplateArgumentListInfo &Result) { |
744 | auto ToLAngleLocOrErr = import(FromLAngleLoc); |
745 | if (!ToLAngleLocOrErr) |
746 | return ToLAngleLocOrErr.takeError(); |
747 | auto ToRAngleLocOrErr = import(FromRAngleLoc); |
748 | if (!ToRAngleLocOrErr) |
749 | return ToRAngleLocOrErr.takeError(); |
750 | |
751 | TemplateArgumentListInfo ToTAInfo(*ToLAngleLocOrErr, *ToRAngleLocOrErr); |
752 | if (auto Err = ImportTemplateArgumentListInfo(Container, ToTAInfo)) |
753 | return Err; |
754 | Result = ToTAInfo; |
755 | return Error::success(); |
756 | } |
757 | |
758 | template <> |
759 | Error ASTNodeImporter::ImportTemplateArgumentListInfo<TemplateArgumentListInfo>( |
760 | const TemplateArgumentListInfo &From, TemplateArgumentListInfo &Result) { |
761 | return ImportTemplateArgumentListInfo( |
762 | From.getLAngleLoc(), From.getRAngleLoc(), From.arguments(), Result); |
763 | } |
764 | |
765 | template <> |
766 | Error ASTNodeImporter::ImportTemplateArgumentListInfo< |
767 | ASTTemplateArgumentListInfo>( |
768 | const ASTTemplateArgumentListInfo &From, |
769 | TemplateArgumentListInfo &Result) { |
770 | return ImportTemplateArgumentListInfo( |
771 | From.LAngleLoc, From.RAngleLoc, From.arguments(), Result); |
772 | } |
773 | |
774 | Expected<ASTNodeImporter::FunctionTemplateAndArgsTy> |
775 | ASTNodeImporter::ImportFunctionTemplateWithTemplateArgsFromSpecialization( |
776 | FunctionDecl *FromFD) { |
777 | assert(FromFD->getTemplatedKind() == |
778 | FunctionDecl::TK_FunctionTemplateSpecialization); |
779 | |
780 | FunctionTemplateAndArgsTy Result; |
781 | |
782 | auto *FTSInfo = FromFD->getTemplateSpecializationInfo(); |
783 | if (Error Err = importInto(std::get<0>(Result), FTSInfo->getTemplate())) |
784 | return std::move(Err); |
785 | |
786 | // Import template arguments. |
787 | if (Error Err = ImportTemplateArguments(FromArgs: FTSInfo->TemplateArguments->asArray(), |
788 | ToArgs&: std::get<1>(Result))) |
789 | return std::move(Err); |
790 | |
791 | return Result; |
792 | } |
793 | |
794 | template <> |
795 | Expected<TemplateParameterList *> |
796 | ASTNodeImporter::import(TemplateParameterList *From) { |
797 | SmallVector<NamedDecl *, 4> To(From->size()); |
798 | if (Error Err = ImportContainerChecked(*From, To)) |
799 | return std::move(Err); |
800 | |
801 | ExpectedExpr ToRequiresClause = import(From->getRequiresClause()); |
802 | if (!ToRequiresClause) |
803 | return ToRequiresClause.takeError(); |
804 | |
805 | auto ToTemplateLocOrErr = import(From->getTemplateLoc()); |
806 | if (!ToTemplateLocOrErr) |
807 | return ToTemplateLocOrErr.takeError(); |
808 | auto ToLAngleLocOrErr = import(From->getLAngleLoc()); |
809 | if (!ToLAngleLocOrErr) |
810 | return ToLAngleLocOrErr.takeError(); |
811 | auto ToRAngleLocOrErr = import(From->getRAngleLoc()); |
812 | if (!ToRAngleLocOrErr) |
813 | return ToRAngleLocOrErr.takeError(); |
814 | |
815 | return TemplateParameterList::Create( |
816 | C: Importer.getToContext(), |
817 | TemplateLoc: *ToTemplateLocOrErr, |
818 | LAngleLoc: *ToLAngleLocOrErr, |
819 | Params: To, |
820 | RAngleLoc: *ToRAngleLocOrErr, |
821 | RequiresClause: *ToRequiresClause); |
822 | } |
823 | |
824 | template <> |
825 | Expected<TemplateArgument> |
826 | ASTNodeImporter::import(const TemplateArgument &From) { |
827 | switch (From.getKind()) { |
828 | case TemplateArgument::Null: |
829 | return TemplateArgument(); |
830 | |
831 | case TemplateArgument::Type: { |
832 | ExpectedType ToTypeOrErr = import(From.getAsType()); |
833 | if (!ToTypeOrErr) |
834 | return ToTypeOrErr.takeError(); |
835 | return TemplateArgument(*ToTypeOrErr, /*isNullPtr*/ false, |
836 | From.getIsDefaulted()); |
837 | } |
838 | |
839 | case TemplateArgument::Integral: { |
840 | ExpectedType ToTypeOrErr = import(From.getIntegralType()); |
841 | if (!ToTypeOrErr) |
842 | return ToTypeOrErr.takeError(); |
843 | return TemplateArgument(From, *ToTypeOrErr); |
844 | } |
845 | |
846 | case TemplateArgument::Declaration: { |
847 | Expected<ValueDecl *> ToOrErr = import(From.getAsDecl()); |
848 | if (!ToOrErr) |
849 | return ToOrErr.takeError(); |
850 | ExpectedType ToTypeOrErr = import(From.getParamTypeForDecl()); |
851 | if (!ToTypeOrErr) |
852 | return ToTypeOrErr.takeError(); |
853 | return TemplateArgument(dyn_cast<ValueDecl>((*ToOrErr)->getCanonicalDecl()), |
854 | *ToTypeOrErr, From.getIsDefaulted()); |
855 | } |
856 | |
857 | case TemplateArgument::NullPtr: { |
858 | ExpectedType ToTypeOrErr = import(From.getNullPtrType()); |
859 | if (!ToTypeOrErr) |
860 | return ToTypeOrErr.takeError(); |
861 | return TemplateArgument(*ToTypeOrErr, /*isNullPtr*/ true, |
862 | From.getIsDefaulted()); |
863 | } |
864 | |
865 | case TemplateArgument::StructuralValue: { |
866 | ExpectedType ToTypeOrErr = import(From.getStructuralValueType()); |
867 | if (!ToTypeOrErr) |
868 | return ToTypeOrErr.takeError(); |
869 | Expected<APValue> ToValueOrErr = import(From.getAsStructuralValue()); |
870 | if (!ToValueOrErr) |
871 | return ToValueOrErr.takeError(); |
872 | return TemplateArgument(Importer.getToContext(), *ToTypeOrErr, |
873 | *ToValueOrErr); |
874 | } |
875 | |
876 | case TemplateArgument::Template: { |
877 | Expected<TemplateName> ToTemplateOrErr = import(From.getAsTemplate()); |
878 | if (!ToTemplateOrErr) |
879 | return ToTemplateOrErr.takeError(); |
880 | |
881 | return TemplateArgument(*ToTemplateOrErr, From.getIsDefaulted()); |
882 | } |
883 | |
884 | case TemplateArgument::TemplateExpansion: { |
885 | Expected<TemplateName> ToTemplateOrErr = |
886 | import(From.getAsTemplateOrTemplatePattern()); |
887 | if (!ToTemplateOrErr) |
888 | return ToTemplateOrErr.takeError(); |
889 | |
890 | return TemplateArgument(*ToTemplateOrErr, From.getNumTemplateExpansions(), |
891 | From.getIsDefaulted()); |
892 | } |
893 | |
894 | case TemplateArgument::Expression: |
895 | if (ExpectedExpr ToExpr = import(From.getAsExpr())) |
896 | return TemplateArgument(*ToExpr, From.isCanonicalExpr(), |
897 | From.getIsDefaulted()); |
898 | else |
899 | return ToExpr.takeError(); |
900 | |
901 | case TemplateArgument::Pack: { |
902 | SmallVector<TemplateArgument, 2> ToPack; |
903 | ToPack.reserve(From.pack_size()); |
904 | if (Error Err = ImportTemplateArguments(FromArgs: From.pack_elements(), ToArgs&: ToPack)) |
905 | return std::move(Err); |
906 | |
907 | return TemplateArgument( |
908 | llvm::ArrayRef(ToPack).copy(Importer.getToContext())); |
909 | } |
910 | } |
911 | |
912 | llvm_unreachable("Invalid template argument kind"); |
913 | } |
914 | |
915 | template <> |
916 | Expected<TemplateArgumentLoc> |
917 | ASTNodeImporter::import(const TemplateArgumentLoc &TALoc) { |
918 | Expected<TemplateArgument> ArgOrErr = import(TALoc.getArgument()); |
919 | if (!ArgOrErr) |
920 | return ArgOrErr.takeError(); |
921 | TemplateArgument Arg = *ArgOrErr; |
922 | |
923 | TemplateArgumentLocInfo FromInfo = TALoc.getLocInfo(); |
924 | |
925 | TemplateArgumentLocInfo ToInfo; |
926 | if (Arg.getKind() == TemplateArgument::Expression) { |
927 | ExpectedExpr E = import(FromInfo.getAsExpr()); |
928 | if (!E) |
929 | return E.takeError(); |
930 | ToInfo = TemplateArgumentLocInfo(*E); |
931 | } else if (Arg.getKind() == TemplateArgument::Type) { |
932 | if (auto TSIOrErr = import(FromInfo.getAsTypeSourceInfo())) |
933 | ToInfo = TemplateArgumentLocInfo(*TSIOrErr); |
934 | else |
935 | return TSIOrErr.takeError(); |
936 | } else { |
937 | auto ToTemplateQualifierLocOrErr = |
938 | import(FromInfo.getTemplateQualifierLoc()); |
939 | if (!ToTemplateQualifierLocOrErr) |
940 | return ToTemplateQualifierLocOrErr.takeError(); |
941 | auto ToTemplateNameLocOrErr = import(FromInfo.getTemplateNameLoc()); |
942 | if (!ToTemplateNameLocOrErr) |
943 | return ToTemplateNameLocOrErr.takeError(); |
944 | auto ToTemplateEllipsisLocOrErr = |
945 | import(FromInfo.getTemplateEllipsisLoc()); |
946 | if (!ToTemplateEllipsisLocOrErr) |
947 | return ToTemplateEllipsisLocOrErr.takeError(); |
948 | ToInfo = TemplateArgumentLocInfo( |
949 | Importer.getToContext(), *ToTemplateQualifierLocOrErr, |
950 | *ToTemplateNameLocOrErr, *ToTemplateEllipsisLocOrErr); |
951 | } |
952 | |
953 | return TemplateArgumentLoc(Arg, ToInfo); |
954 | } |
955 | |
956 | template <> |
957 | Expected<DeclGroupRef> ASTNodeImporter::import(const DeclGroupRef &DG) { |
958 | if (DG.isNull()) |
959 | return DeclGroupRef::Create(C&: Importer.getToContext(), Decls: nullptr, NumDecls: 0); |
960 | size_t NumDecls = DG.end() - DG.begin(); |
961 | SmallVector<Decl *, 1> ToDecls; |
962 | ToDecls.reserve(NumDecls); |
963 | for (Decl *FromD : DG) { |
964 | if (auto ToDOrErr = import(FromD)) |
965 | ToDecls.push_back(*ToDOrErr); |
966 | else |
967 | return ToDOrErr.takeError(); |
968 | } |
969 | return DeclGroupRef::Create(C&: Importer.getToContext(), |
970 | Decls: ToDecls.begin(), |
971 | NumDecls); |
972 | } |
973 | |
974 | template <> |
975 | Expected<ASTNodeImporter::Designator> |
976 | ASTNodeImporter::import(const Designator &D) { |
977 | if (D.isFieldDesignator()) { |
978 | IdentifierInfo *ToFieldName = Importer.Import(FromId: D.getFieldName()); |
979 | |
980 | ExpectedSLoc ToDotLocOrErr = import(D.getDotLoc()); |
981 | if (!ToDotLocOrErr) |
982 | return ToDotLocOrErr.takeError(); |
983 | |
984 | ExpectedSLoc ToFieldLocOrErr = import(D.getFieldLoc()); |
985 | if (!ToFieldLocOrErr) |
986 | return ToFieldLocOrErr.takeError(); |
987 | |
988 | return DesignatedInitExpr::Designator::CreateFieldDesignator( |
989 | FieldName: ToFieldName, DotLoc: *ToDotLocOrErr, FieldLoc: *ToFieldLocOrErr); |
990 | } |
991 | |
992 | ExpectedSLoc ToLBracketLocOrErr = import(D.getLBracketLoc()); |
993 | if (!ToLBracketLocOrErr) |
994 | return ToLBracketLocOrErr.takeError(); |
995 | |
996 | ExpectedSLoc ToRBracketLocOrErr = import(D.getRBracketLoc()); |
997 | if (!ToRBracketLocOrErr) |
998 | return ToRBracketLocOrErr.takeError(); |
999 | |
1000 | if (D.isArrayDesignator()) |
1001 | return Designator::CreateArrayDesignator(Index: D.getArrayIndex(), |
1002 | LBracketLoc: *ToLBracketLocOrErr, |
1003 | RBracketLoc: *ToRBracketLocOrErr); |
1004 | |
1005 | ExpectedSLoc ToEllipsisLocOrErr = import(D.getEllipsisLoc()); |
1006 | if (!ToEllipsisLocOrErr) |
1007 | return ToEllipsisLocOrErr.takeError(); |
1008 | |
1009 | assert(D.isArrayRangeDesignator()); |
1010 | return Designator::CreateArrayRangeDesignator( |
1011 | Index: D.getArrayIndex(), LBracketLoc: *ToLBracketLocOrErr, EllipsisLoc: *ToEllipsisLocOrErr, |
1012 | RBracketLoc: *ToRBracketLocOrErr); |
1013 | } |
1014 | |
1015 | template <> |
1016 | Expected<ConceptReference *> ASTNodeImporter::import(ConceptReference *From) { |
1017 | Error Err = Error::success(); |
1018 | auto ToNNS = importChecked(Err, From->getNestedNameSpecifierLoc()); |
1019 | auto ToTemplateKWLoc = importChecked(Err, From->getTemplateKWLoc()); |
1020 | auto ToConceptNameLoc = |
1021 | importChecked(Err, From->getConceptNameInfo().getLoc()); |
1022 | auto ToConceptName = importChecked(Err, From->getConceptNameInfo().getName()); |
1023 | auto ToFoundDecl = importChecked(Err, From->getFoundDecl()); |
1024 | auto ToNamedConcept = importChecked(Err, From->getNamedConcept()); |
1025 | if (Err) |
1026 | return std::move(Err); |
1027 | TemplateArgumentListInfo ToTAInfo; |
1028 | const auto *ASTTemplateArgs = From->getTemplateArgsAsWritten(); |
1029 | if (ASTTemplateArgs) |
1030 | if (Error Err = ImportTemplateArgumentListInfo(*ASTTemplateArgs, ToTAInfo)) |
1031 | return std::move(Err); |
1032 | auto *ConceptRef = ConceptReference::Create( |
1033 | C: Importer.getToContext(), NNS: ToNNS, TemplateKWLoc: ToTemplateKWLoc, |
1034 | ConceptNameInfo: DeclarationNameInfo(ToConceptName, ToConceptNameLoc), FoundDecl: ToFoundDecl, |
1035 | NamedConcept: ToNamedConcept, |
1036 | ArgsAsWritten: ASTTemplateArgs ? ASTTemplateArgumentListInfo::Create( |
1037 | C: Importer.getToContext(), List: ToTAInfo) |
1038 | : nullptr); |
1039 | return ConceptRef; |
1040 | } |
1041 | |
1042 | template <> |
1043 | Expected<LambdaCapture> ASTNodeImporter::import(const LambdaCapture &From) { |
1044 | ValueDecl *Var = nullptr; |
1045 | if (From.capturesVariable()) { |
1046 | if (auto VarOrErr = import(From.getCapturedVar())) |
1047 | Var = *VarOrErr; |
1048 | else |
1049 | return VarOrErr.takeError(); |
1050 | } |
1051 | |
1052 | auto LocationOrErr = import(From.getLocation()); |
1053 | if (!LocationOrErr) |
1054 | return LocationOrErr.takeError(); |
1055 | |
1056 | SourceLocation EllipsisLoc; |
1057 | if (From.isPackExpansion()) |
1058 | if (Error Err = importInto(EllipsisLoc, From.getEllipsisLoc())) |
1059 | return std::move(Err); |
1060 | |
1061 | return LambdaCapture( |
1062 | *LocationOrErr, From.isImplicit(), From.getCaptureKind(), Var, |
1063 | EllipsisLoc); |
1064 | } |
1065 | |
1066 | template <typename T> |
1067 | bool ASTNodeImporter::hasSameVisibilityContextAndLinkage(T *Found, T *From) { |
1068 | if (Found->getLinkageInternal() != From->getLinkageInternal()) |
1069 | return false; |
1070 | |
1071 | if (From->hasExternalFormalLinkage()) |
1072 | return Found->hasExternalFormalLinkage(); |
1073 | if (Importer.GetFromTU(ToD: Found) != From->getTranslationUnitDecl()) |
1074 | return false; |
1075 | if (From->isInAnonymousNamespace()) |
1076 | return Found->isInAnonymousNamespace(); |
1077 | else |
1078 | return !Found->isInAnonymousNamespace() && |
1079 | !Found->hasExternalFormalLinkage(); |
1080 | } |
1081 | |
1082 | template <> |
1083 | bool ASTNodeImporter::hasSameVisibilityContextAndLinkage(TypedefNameDecl *Found, |
1084 | TypedefNameDecl *From) { |
1085 | if (Found->getLinkageInternal() != From->getLinkageInternal()) |
1086 | return false; |
1087 | |
1088 | if (From->isInAnonymousNamespace() && Found->isInAnonymousNamespace()) |
1089 | return Importer.GetFromTU(Found) == From->getTranslationUnitDecl(); |
1090 | return From->isInAnonymousNamespace() == Found->isInAnonymousNamespace(); |
1091 | } |
1092 | |
1093 | } // namespace clang |
1094 | |
1095 | //---------------------------------------------------------------------------- |
1096 | // Import Types |
1097 | //---------------------------------------------------------------------------- |
1098 | |
1099 | using namespace clang; |
1100 | |
1101 | ExpectedType ASTNodeImporter::VisitType(const Type *T) { |
1102 | Importer.FromDiag(SourceLocation(), diag::err_unsupported_ast_node) |
1103 | << T->getTypeClassName(); |
1104 | return make_error<ASTImportError>(Args: ASTImportError::UnsupportedConstruct); |
1105 | } |
1106 | |
1107 | ExpectedType ASTNodeImporter::VisitAtomicType(const AtomicType *T){ |
1108 | ExpectedType UnderlyingTypeOrErr = import(From: T->getValueType()); |
1109 | if (!UnderlyingTypeOrErr) |
1110 | return UnderlyingTypeOrErr.takeError(); |
1111 | |
1112 | return Importer.getToContext().getAtomicType(T: *UnderlyingTypeOrErr); |
1113 | } |
1114 | |
1115 | ExpectedType ASTNodeImporter::VisitBuiltinType(const BuiltinType *T) { |
1116 | switch (T->getKind()) { |
1117 | #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \ |
1118 | case BuiltinType::Id: \ |
1119 | return Importer.getToContext().SingletonId; |
1120 | #include "clang/Basic/OpenCLImageTypes.def" |
1121 | #define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \ |
1122 | case BuiltinType::Id: \ |
1123 | return Importer.getToContext().Id##Ty; |
1124 | #include "clang/Basic/OpenCLExtensionTypes.def" |
1125 | #define SVE_TYPE(Name, Id, SingletonId) \ |
1126 | case BuiltinType::Id: \ |
1127 | return Importer.getToContext().SingletonId; |
1128 | #include "clang/Basic/AArch64ACLETypes.def" |
1129 | #define PPC_VECTOR_TYPE(Name, Id, Size) \ |
1130 | case BuiltinType::Id: \ |
1131 | return Importer.getToContext().Id##Ty; |
1132 | #include "clang/Basic/PPCTypes.def" |
1133 | #define RVV_TYPE(Name, Id, SingletonId) \ |
1134 | case BuiltinType::Id: \ |
1135 | return Importer.getToContext().SingletonId; |
1136 | #include "clang/Basic/RISCVVTypes.def" |
1137 | #define WASM_TYPE(Name, Id, SingletonId) \ |
1138 | case BuiltinType::Id: \ |
1139 | return Importer.getToContext().SingletonId; |
1140 | #include "clang/Basic/WebAssemblyReferenceTypes.def" |
1141 | #define AMDGPU_TYPE(Name, Id, SingletonId, Width, Align) \ |
1142 | case BuiltinType::Id: \ |
1143 | return Importer.getToContext().SingletonId; |
1144 | #include "clang/Basic/AMDGPUTypes.def" |
1145 | #define HLSL_INTANGIBLE_TYPE(Name, Id, SingletonId) \ |
1146 | case BuiltinType::Id: \ |
1147 | return Importer.getToContext().SingletonId; |
1148 | #include "clang/Basic/HLSLIntangibleTypes.def" |
1149 | #define SHARED_SINGLETON_TYPE(Expansion) |
1150 | #define BUILTIN_TYPE(Id, SingletonId) \ |
1151 | case BuiltinType::Id: return Importer.getToContext().SingletonId; |
1152 | #include "clang/AST/BuiltinTypes.def" |
1153 | |
1154 | // FIXME: for Char16, Char32, and NullPtr, make sure that the "to" |
1155 | // context supports C++. |
1156 | |
1157 | // FIXME: for ObjCId, ObjCClass, and ObjCSel, make sure that the "to" |
1158 | // context supports ObjC. |
1159 | |
1160 | case BuiltinType::Char_U: |
1161 | // The context we're importing from has an unsigned 'char'. If we're |
1162 | // importing into a context with a signed 'char', translate to |
1163 | // 'unsigned char' instead. |
1164 | if (Importer.getToContext().getLangOpts().CharIsSigned) |
1165 | return Importer.getToContext().UnsignedCharTy; |
1166 | |
1167 | return Importer.getToContext().CharTy; |
1168 | |
1169 | case BuiltinType::Char_S: |
1170 | // The context we're importing from has an unsigned 'char'. If we're |
1171 | // importing into a context with a signed 'char', translate to |
1172 | // 'unsigned char' instead. |
1173 | if (!Importer.getToContext().getLangOpts().CharIsSigned) |
1174 | return Importer.getToContext().SignedCharTy; |
1175 | |
1176 | return Importer.getToContext().CharTy; |
1177 | |
1178 | case BuiltinType::WChar_S: |
1179 | case BuiltinType::WChar_U: |
1180 | // FIXME: If not in C++, shall we translate to the C equivalent of |
1181 | // wchar_t? |
1182 | return Importer.getToContext().WCharTy; |
1183 | } |
1184 | |
1185 | llvm_unreachable("Invalid BuiltinType Kind!"); |
1186 | } |
1187 | |
1188 | ExpectedType ASTNodeImporter::VisitDecayedType(const DecayedType *T) { |
1189 | ExpectedType ToOriginalTypeOrErr = import(T->getOriginalType()); |
1190 | if (!ToOriginalTypeOrErr) |
1191 | return ToOriginalTypeOrErr.takeError(); |
1192 | |
1193 | return Importer.getToContext().getDecayedType(T: *ToOriginalTypeOrErr); |
1194 | } |
1195 | |
1196 | ExpectedType ASTNodeImporter::VisitComplexType(const ComplexType *T) { |
1197 | ExpectedType ToElementTypeOrErr = import(From: T->getElementType()); |
1198 | if (!ToElementTypeOrErr) |
1199 | return ToElementTypeOrErr.takeError(); |
1200 | |
1201 | return Importer.getToContext().getComplexType(T: *ToElementTypeOrErr); |
1202 | } |
1203 | |
1204 | ExpectedType ASTNodeImporter::VisitPointerType(const PointerType *T) { |
1205 | ExpectedType ToPointeeTypeOrErr = import(From: T->getPointeeType()); |
1206 | if (!ToPointeeTypeOrErr) |
1207 | return ToPointeeTypeOrErr.takeError(); |
1208 | |
1209 | return Importer.getToContext().getPointerType(T: *ToPointeeTypeOrErr); |
1210 | } |
1211 | |
1212 | ExpectedType ASTNodeImporter::VisitBlockPointerType(const BlockPointerType *T) { |
1213 | // FIXME: Check for blocks support in "to" context. |
1214 | ExpectedType ToPointeeTypeOrErr = import(From: T->getPointeeType()); |
1215 | if (!ToPointeeTypeOrErr) |
1216 | return ToPointeeTypeOrErr.takeError(); |
1217 | |
1218 | return Importer.getToContext().getBlockPointerType(T: *ToPointeeTypeOrErr); |
1219 | } |
1220 | |
1221 | ExpectedType |
1222 | ASTNodeImporter::VisitLValueReferenceType(const LValueReferenceType *T) { |
1223 | // FIXME: Check for C++ support in "to" context. |
1224 | ExpectedType ToPointeeTypeOrErr = import(T->getPointeeTypeAsWritten()); |
1225 | if (!ToPointeeTypeOrErr) |
1226 | return ToPointeeTypeOrErr.takeError(); |
1227 | |
1228 | return Importer.getToContext().getLValueReferenceType(T: *ToPointeeTypeOrErr); |
1229 | } |
1230 | |
1231 | ExpectedType |
1232 | ASTNodeImporter::VisitRValueReferenceType(const RValueReferenceType *T) { |
1233 | // FIXME: Check for C++0x support in "to" context. |
1234 | ExpectedType ToPointeeTypeOrErr = import(T->getPointeeTypeAsWritten()); |
1235 | if (!ToPointeeTypeOrErr) |
1236 | return ToPointeeTypeOrErr.takeError(); |
1237 | |
1238 | return Importer.getToContext().getRValueReferenceType(T: *ToPointeeTypeOrErr); |
1239 | } |
1240 | |
1241 | ExpectedType |
1242 | ASTNodeImporter::VisitMemberPointerType(const MemberPointerType *T) { |
1243 | // FIXME: Check for C++ support in "to" context. |
1244 | ExpectedType ToPointeeTypeOrErr = import(From: T->getPointeeType()); |
1245 | if (!ToPointeeTypeOrErr) |
1246 | return ToPointeeTypeOrErr.takeError(); |
1247 | |
1248 | auto QualifierOrErr = import(From: T->getQualifier()); |
1249 | if (!QualifierOrErr) |
1250 | return QualifierOrErr.takeError(); |
1251 | |
1252 | auto ClsOrErr = import(From: T->getMostRecentCXXRecordDecl()); |
1253 | if (!ClsOrErr) |
1254 | return ClsOrErr.takeError(); |
1255 | |
1256 | return Importer.getToContext().getMemberPointerType( |
1257 | T: *ToPointeeTypeOrErr, Qualifier: *QualifierOrErr, Cls: *ClsOrErr); |
1258 | } |
1259 | |
1260 | ExpectedType |
1261 | ASTNodeImporter::VisitConstantArrayType(const ConstantArrayType *T) { |
1262 | Error Err = Error::success(); |
1263 | auto ToElementType = importChecked(Err, T->getElementType()); |
1264 | auto ToSizeExpr = importChecked(Err, From: T->getSizeExpr()); |
1265 | if (Err) |
1266 | return std::move(Err); |
1267 | |
1268 | return Importer.getToContext().getConstantArrayType( |
1269 | EltTy: ToElementType, ArySize: T->getSize(), SizeExpr: ToSizeExpr, ASM: T->getSizeModifier(), |
1270 | IndexTypeQuals: T->getIndexTypeCVRQualifiers()); |
1271 | } |
1272 | |
1273 | ExpectedType |
1274 | ASTNodeImporter::VisitArrayParameterType(const ArrayParameterType *T) { |
1275 | ExpectedType ToArrayTypeOrErr = VisitConstantArrayType(T); |
1276 | if (!ToArrayTypeOrErr) |
1277 | return ToArrayTypeOrErr.takeError(); |
1278 | |
1279 | return Importer.getToContext().getArrayParameterType(Ty: *ToArrayTypeOrErr); |
1280 | } |
1281 | |
1282 | ExpectedType |
1283 | ASTNodeImporter::VisitIncompleteArrayType(const IncompleteArrayType *T) { |
1284 | ExpectedType ToElementTypeOrErr = import(T->getElementType()); |
1285 | if (!ToElementTypeOrErr) |
1286 | return ToElementTypeOrErr.takeError(); |
1287 | |
1288 | return Importer.getToContext().getIncompleteArrayType(EltTy: *ToElementTypeOrErr, |
1289 | ASM: T->getSizeModifier(), |
1290 | IndexTypeQuals: T->getIndexTypeCVRQualifiers()); |
1291 | } |
1292 | |
1293 | ExpectedType |
1294 | ASTNodeImporter::VisitVariableArrayType(const VariableArrayType *T) { |
1295 | Error Err = Error::success(); |
1296 | QualType ToElementType = importChecked(Err, T->getElementType()); |
1297 | Expr *ToSizeExpr = importChecked(Err, From: T->getSizeExpr()); |
1298 | if (Err) |
1299 | return std::move(Err); |
1300 | return Importer.getToContext().getVariableArrayType( |
1301 | EltTy: ToElementType, NumElts: ToSizeExpr, ASM: T->getSizeModifier(), |
1302 | IndexTypeQuals: T->getIndexTypeCVRQualifiers()); |
1303 | } |
1304 | |
1305 | ExpectedType ASTNodeImporter::VisitDependentSizedArrayType( |
1306 | const DependentSizedArrayType *T) { |
1307 | Error Err = Error::success(); |
1308 | QualType ToElementType = importChecked(Err, T->getElementType()); |
1309 | Expr *ToSizeExpr = importChecked(Err, From: T->getSizeExpr()); |
1310 | if (Err) |
1311 | return std::move(Err); |
1312 | // SizeExpr may be null if size is not specified directly. |
1313 | // For example, 'int a[]'. |
1314 | |
1315 | return Importer.getToContext().getDependentSizedArrayType( |
1316 | EltTy: ToElementType, NumElts: ToSizeExpr, ASM: T->getSizeModifier(), |
1317 | IndexTypeQuals: T->getIndexTypeCVRQualifiers()); |
1318 | } |
1319 | |
1320 | ExpectedType ASTNodeImporter::VisitDependentSizedExtVectorType( |
1321 | const DependentSizedExtVectorType *T) { |
1322 | Error Err = Error::success(); |
1323 | QualType ToElementType = importChecked(Err, From: T->getElementType()); |
1324 | Expr *ToSizeExpr = importChecked(Err, From: T->getSizeExpr()); |
1325 | SourceLocation ToAttrLoc = importChecked(Err, From: T->getAttributeLoc()); |
1326 | if (Err) |
1327 | return std::move(Err); |
1328 | return Importer.getToContext().getDependentSizedExtVectorType( |
1329 | VectorType: ToElementType, SizeExpr: ToSizeExpr, AttrLoc: ToAttrLoc); |
1330 | } |
1331 | |
1332 | ExpectedType ASTNodeImporter::VisitVectorType(const VectorType *T) { |
1333 | ExpectedType ToElementTypeOrErr = import(From: T->getElementType()); |
1334 | if (!ToElementTypeOrErr) |
1335 | return ToElementTypeOrErr.takeError(); |
1336 | |
1337 | return Importer.getToContext().getVectorType(VectorType: *ToElementTypeOrErr, |
1338 | NumElts: T->getNumElements(), |
1339 | VecKind: T->getVectorKind()); |
1340 | } |
1341 | |
1342 | ExpectedType ASTNodeImporter::VisitExtVectorType(const ExtVectorType *T) { |
1343 | ExpectedType ToElementTypeOrErr = import(T->getElementType()); |
1344 | if (!ToElementTypeOrErr) |
1345 | return ToElementTypeOrErr.takeError(); |
1346 | |
1347 | return Importer.getToContext().getExtVectorType(VectorType: *ToElementTypeOrErr, |
1348 | NumElts: T->getNumElements()); |
1349 | } |
1350 | |
1351 | ExpectedType |
1352 | ASTNodeImporter::VisitFunctionNoProtoType(const FunctionNoProtoType *T) { |
1353 | // FIXME: What happens if we're importing a function without a prototype |
1354 | // into C++? Should we make it variadic? |
1355 | ExpectedType ToReturnTypeOrErr = import(T->getReturnType()); |
1356 | if (!ToReturnTypeOrErr) |
1357 | return ToReturnTypeOrErr.takeError(); |
1358 | |
1359 | return Importer.getToContext().getFunctionNoProtoType(*ToReturnTypeOrErr, |
1360 | T->getExtInfo()); |
1361 | } |
1362 | |
1363 | ExpectedType |
1364 | ASTNodeImporter::VisitFunctionProtoType(const FunctionProtoType *T) { |
1365 | ExpectedType ToReturnTypeOrErr = import(T->getReturnType()); |
1366 | if (!ToReturnTypeOrErr) |
1367 | return ToReturnTypeOrErr.takeError(); |
1368 | |
1369 | // Import argument types |
1370 | SmallVector<QualType, 4> ArgTypes; |
1371 | for (const auto &A : T->param_types()) { |
1372 | ExpectedType TyOrErr = import(From: A); |
1373 | if (!TyOrErr) |
1374 | return TyOrErr.takeError(); |
1375 | ArgTypes.push_back(Elt: *TyOrErr); |
1376 | } |
1377 | |
1378 | // Import exception types |
1379 | SmallVector<QualType, 4> ExceptionTypes; |
1380 | for (const auto &E : T->exceptions()) { |
1381 | ExpectedType TyOrErr = import(From: E); |
1382 | if (!TyOrErr) |
1383 | return TyOrErr.takeError(); |
1384 | ExceptionTypes.push_back(Elt: *TyOrErr); |
1385 | } |
1386 | |
1387 | FunctionProtoType::ExtProtoInfo FromEPI = T->getExtProtoInfo(); |
1388 | Error Err = Error::success(); |
1389 | FunctionProtoType::ExtProtoInfo ToEPI; |
1390 | ToEPI.ExtInfo = FromEPI.ExtInfo; |
1391 | ToEPI.Variadic = FromEPI.Variadic; |
1392 | ToEPI.HasTrailingReturn = FromEPI.HasTrailingReturn; |
1393 | ToEPI.TypeQuals = FromEPI.TypeQuals; |
1394 | ToEPI.RefQualifier = FromEPI.RefQualifier; |
1395 | ToEPI.ExceptionSpec.Type = FromEPI.ExceptionSpec.Type; |
1396 | ToEPI.ExceptionSpec.NoexceptExpr = |
1397 | importChecked(Err, FromEPI.ExceptionSpec.NoexceptExpr); |
1398 | ToEPI.ExceptionSpec.SourceDecl = |
1399 | importChecked(Err, FromEPI.ExceptionSpec.SourceDecl); |
1400 | ToEPI.ExceptionSpec.SourceTemplate = |
1401 | importChecked(Err, FromEPI.ExceptionSpec.SourceTemplate); |
1402 | ToEPI.ExceptionSpec.Exceptions = ExceptionTypes; |
1403 | |
1404 | if (Err) |
1405 | return std::move(Err); |
1406 | |
1407 | return Importer.getToContext().getFunctionType( |
1408 | ResultTy: *ToReturnTypeOrErr, Args: ArgTypes, EPI: ToEPI); |
1409 | } |
1410 | |
1411 | ExpectedType ASTNodeImporter::VisitUnresolvedUsingType( |
1412 | const UnresolvedUsingType *T) { |
1413 | Error Err = Error::success(); |
1414 | auto ToD = importChecked(Err, From: T->getDecl()); |
1415 | auto ToPrevD = importChecked(Err, T->getDecl()->getPreviousDecl()); |
1416 | if (Err) |
1417 | return std::move(Err); |
1418 | |
1419 | return Importer.getToContext().getTypeDeclType( |
1420 | Decl: ToD, PrevDecl: cast_or_null<TypeDecl>(ToPrevD)); |
1421 | } |
1422 | |
1423 | ExpectedType ASTNodeImporter::VisitParenType(const ParenType *T) { |
1424 | ExpectedType ToInnerTypeOrErr = import(From: T->getInnerType()); |
1425 | if (!ToInnerTypeOrErr) |
1426 | return ToInnerTypeOrErr.takeError(); |
1427 | |
1428 | return Importer.getToContext().getParenType(NamedType: *ToInnerTypeOrErr); |
1429 | } |
1430 | |
1431 | ExpectedType |
1432 | ASTNodeImporter::VisitPackIndexingType(clang::PackIndexingType const *T) { |
1433 | |
1434 | ExpectedType Pattern = import(From: T->getPattern()); |
1435 | if (!Pattern) |
1436 | return Pattern.takeError(); |
1437 | ExpectedExpr Index = import(From: T->getIndexExpr()); |
1438 | if (!Index) |
1439 | return Index.takeError(); |
1440 | return Importer.getToContext().getPackIndexingType(Pattern: *Pattern, IndexExpr: *Index); |
1441 | } |
1442 | |
1443 | ExpectedType ASTNodeImporter::VisitTypedefType(const TypedefType *T) { |
1444 | Expected<TypedefNameDecl *> ToDeclOrErr = import(From: T->getDecl()); |
1445 | if (!ToDeclOrErr) |
1446 | return ToDeclOrErr.takeError(); |
1447 | |
1448 | TypedefNameDecl *ToDecl = *ToDeclOrErr; |
1449 | if (ToDecl->getTypeForDecl()) |
1450 | return QualType(ToDecl->getTypeForDecl(), 0); |
1451 | |
1452 | ExpectedType ToUnderlyingTypeOrErr = import(From: T->desugar()); |
1453 | if (!ToUnderlyingTypeOrErr) |
1454 | return ToUnderlyingTypeOrErr.takeError(); |
1455 | |
1456 | return Importer.getToContext().getTypedefType(Decl: ToDecl, Underlying: *ToUnderlyingTypeOrErr); |
1457 | } |
1458 | |
1459 | ExpectedType ASTNodeImporter::VisitTypeOfExprType(const TypeOfExprType *T) { |
1460 | ExpectedExpr ToExprOrErr = import(From: T->getUnderlyingExpr()); |
1461 | if (!ToExprOrErr) |
1462 | return ToExprOrErr.takeError(); |
1463 | return Importer.getToContext().getTypeOfExprType(E: *ToExprOrErr, Kind: T->getKind()); |
1464 | } |
1465 | |
1466 | ExpectedType ASTNodeImporter::VisitTypeOfType(const TypeOfType *T) { |
1467 | ExpectedType ToUnderlyingTypeOrErr = import(From: T->getUnmodifiedType()); |
1468 | if (!ToUnderlyingTypeOrErr) |
1469 | return ToUnderlyingTypeOrErr.takeError(); |
1470 | return Importer.getToContext().getTypeOfType(QT: *ToUnderlyingTypeOrErr, |
1471 | Kind: T->getKind()); |
1472 | } |
1473 | |
1474 | ExpectedType ASTNodeImporter::VisitUsingType(const UsingType *T) { |
1475 | Expected<UsingShadowDecl *> FoundOrErr = import(From: T->getFoundDecl()); |
1476 | if (!FoundOrErr) |
1477 | return FoundOrErr.takeError(); |
1478 | Expected<QualType> UnderlyingOrErr = import(From: T->getUnderlyingType()); |
1479 | if (!UnderlyingOrErr) |
1480 | return UnderlyingOrErr.takeError(); |
1481 | |
1482 | return Importer.getToContext().getUsingType(Found: *FoundOrErr, Underlying: *UnderlyingOrErr); |
1483 | } |
1484 | |
1485 | ExpectedType ASTNodeImporter::VisitDecltypeType(const DecltypeType *T) { |
1486 | // FIXME: Make sure that the "to" context supports C++0x! |
1487 | ExpectedExpr ToExprOrErr = import(From: T->getUnderlyingExpr()); |
1488 | if (!ToExprOrErr) |
1489 | return ToExprOrErr.takeError(); |
1490 | |
1491 | ExpectedType ToUnderlyingTypeOrErr = import(From: T->getUnderlyingType()); |
1492 | if (!ToUnderlyingTypeOrErr) |
1493 | return ToUnderlyingTypeOrErr.takeError(); |
1494 | |
1495 | return Importer.getToContext().getDecltypeType( |
1496 | e: *ToExprOrErr, UnderlyingType: *ToUnderlyingTypeOrErr); |
1497 | } |
1498 | |
1499 | ExpectedType |
1500 | ASTNodeImporter::VisitUnaryTransformType(const UnaryTransformType *T) { |
1501 | ExpectedType ToBaseTypeOrErr = import(From: T->getBaseType()); |
1502 | if (!ToBaseTypeOrErr) |
1503 | return ToBaseTypeOrErr.takeError(); |
1504 | |
1505 | ExpectedType ToUnderlyingTypeOrErr = import(From: T->getUnderlyingType()); |
1506 | if (!ToUnderlyingTypeOrErr) |
1507 | return ToUnderlyingTypeOrErr.takeError(); |
1508 | |
1509 | return Importer.getToContext().getUnaryTransformType( |
1510 | BaseType: *ToBaseTypeOrErr, UnderlyingType: *ToUnderlyingTypeOrErr, UKind: T->getUTTKind()); |
1511 | } |
1512 | |
1513 | ExpectedType ASTNodeImporter::VisitAutoType(const AutoType *T) { |
1514 | // FIXME: Make sure that the "to" context supports C++11! |
1515 | ExpectedType ToDeducedTypeOrErr = import(T->getDeducedType()); |
1516 | if (!ToDeducedTypeOrErr) |
1517 | return ToDeducedTypeOrErr.takeError(); |
1518 | |
1519 | ExpectedDecl ToTypeConstraintConcept = import(From: T->getTypeConstraintConcept()); |
1520 | if (!ToTypeConstraintConcept) |
1521 | return ToTypeConstraintConcept.takeError(); |
1522 | |
1523 | SmallVector<TemplateArgument, 2> ToTemplateArgs; |
1524 | if (Error Err = ImportTemplateArguments(FromArgs: T->getTypeConstraintArguments(), |
1525 | ToArgs&: ToTemplateArgs)) |
1526 | return std::move(Err); |
1527 | |
1528 | return Importer.getToContext().getAutoType( |
1529 | DeducedType: *ToDeducedTypeOrErr, Keyword: T->getKeyword(), /*IsDependent*/false, |
1530 | /*IsPack=*/false, TypeConstraintConcept: cast_or_null<ConceptDecl>(Val: *ToTypeConstraintConcept), |
1531 | TypeConstraintArgs: ToTemplateArgs); |
1532 | } |
1533 | |
1534 | ExpectedType ASTNodeImporter::VisitDeducedTemplateSpecializationType( |
1535 | const DeducedTemplateSpecializationType *T) { |
1536 | // FIXME: Make sure that the "to" context supports C++17! |
1537 | Expected<TemplateName> ToTemplateNameOrErr = import(From: T->getTemplateName()); |
1538 | if (!ToTemplateNameOrErr) |
1539 | return ToTemplateNameOrErr.takeError(); |
1540 | ExpectedType ToDeducedTypeOrErr = import(T->getDeducedType()); |
1541 | if (!ToDeducedTypeOrErr) |
1542 | return ToDeducedTypeOrErr.takeError(); |
1543 | |
1544 | return Importer.getToContext().getDeducedTemplateSpecializationType( |
1545 | Template: *ToTemplateNameOrErr, DeducedType: *ToDeducedTypeOrErr, IsDependent: T->isDependentType()); |
1546 | } |
1547 | |
1548 | ExpectedType ASTNodeImporter::VisitInjectedClassNameType( |
1549 | const InjectedClassNameType *T) { |
1550 | Expected<CXXRecordDecl *> ToDeclOrErr = import(From: T->getDecl()); |
1551 | if (!ToDeclOrErr) |
1552 | return ToDeclOrErr.takeError(); |
1553 | |
1554 | // The InjectedClassNameType is created in VisitRecordDecl when the |
1555 | // T->getDecl() is imported. Here we can return the existing type. |
1556 | const Type *Ty = (*ToDeclOrErr)->getTypeForDecl(); |
1557 | assert(isa_and_nonnull<InjectedClassNameType>(Ty)); |
1558 | return QualType(Ty, 0); |
1559 | } |
1560 | |
1561 | ExpectedType ASTNodeImporter::VisitRecordType(const RecordType *T) { |
1562 | Expected<RecordDecl *> ToDeclOrErr = import(From: T->getDecl()); |
1563 | if (!ToDeclOrErr) |
1564 | return ToDeclOrErr.takeError(); |
1565 | |
1566 | return Importer.getToContext().getTagDeclType(*ToDeclOrErr); |
1567 | } |
1568 | |
1569 | ExpectedType ASTNodeImporter::VisitEnumType(const EnumType *T) { |
1570 | Expected<EnumDecl *> ToDeclOrErr = import(From: T->getDecl()); |
1571 | if (!ToDeclOrErr) |
1572 | return ToDeclOrErr.takeError(); |
1573 | |
1574 | return Importer.getToContext().getTagDeclType(*ToDeclOrErr); |
1575 | } |
1576 | |
1577 | ExpectedType ASTNodeImporter::VisitAttributedType(const AttributedType *T) { |
1578 | ExpectedType ToModifiedTypeOrErr = import(From: T->getModifiedType()); |
1579 | if (!ToModifiedTypeOrErr) |
1580 | return ToModifiedTypeOrErr.takeError(); |
1581 | ExpectedType ToEquivalentTypeOrErr = import(From: T->getEquivalentType()); |
1582 | if (!ToEquivalentTypeOrErr) |
1583 | return ToEquivalentTypeOrErr.takeError(); |
1584 | |
1585 | return Importer.getToContext().getAttributedType( |
1586 | attrKind: T->getAttrKind(), modifiedType: *ToModifiedTypeOrErr, equivalentType: *ToEquivalentTypeOrErr, |
1587 | attr: T->getAttr()); |
1588 | } |
1589 | |
1590 | ExpectedType |
1591 | ASTNodeImporter::VisitCountAttributedType(const CountAttributedType *T) { |
1592 | ExpectedType ToWrappedTypeOrErr = import(T->desugar()); |
1593 | if (!ToWrappedTypeOrErr) |
1594 | return ToWrappedTypeOrErr.takeError(); |
1595 | |
1596 | Error Err = Error::success(); |
1597 | Expr *CountExpr = importChecked(Err, From: T->getCountExpr()); |
1598 | |
1599 | SmallVector<TypeCoupledDeclRefInfo, 1> CoupledDecls; |
1600 | for (const TypeCoupledDeclRefInfo &TI : T->dependent_decls()) { |
1601 | Expected<ValueDecl *> ToDeclOrErr = import(TI.getDecl()); |
1602 | if (!ToDeclOrErr) |
1603 | return ToDeclOrErr.takeError(); |
1604 | CoupledDecls.emplace_back(*ToDeclOrErr, TI.isDeref()); |
1605 | } |
1606 | |
1607 | return Importer.getToContext().getCountAttributedType( |
1608 | T: *ToWrappedTypeOrErr, CountExpr, CountInBytes: T->isCountInBytes(), OrNull: T->isOrNull(), |
1609 | DependentDecls: ArrayRef(CoupledDecls.data(), CoupledDecls.size())); |
1610 | } |
1611 | |
1612 | ExpectedType ASTNodeImporter::VisitTemplateTypeParmType( |
1613 | const TemplateTypeParmType *T) { |
1614 | Expected<TemplateTypeParmDecl *> ToDeclOrErr = import(From: T->getDecl()); |
1615 | if (!ToDeclOrErr) |
1616 | return ToDeclOrErr.takeError(); |
1617 | |
1618 | return Importer.getToContext().getTemplateTypeParmType( |
1619 | Depth: T->getDepth(), Index: T->getIndex(), ParameterPack: T->isParameterPack(), ParmDecl: *ToDeclOrErr); |
1620 | } |
1621 | |
1622 | ExpectedType ASTNodeImporter::VisitSubstTemplateTypeParmType( |
1623 | const SubstTemplateTypeParmType *T) { |
1624 | Expected<Decl *> ReplacedOrErr = import(From: T->getAssociatedDecl()); |
1625 | if (!ReplacedOrErr) |
1626 | return ReplacedOrErr.takeError(); |
1627 | |
1628 | ExpectedType ToReplacementTypeOrErr = import(From: T->getReplacementType()); |
1629 | if (!ToReplacementTypeOrErr) |
1630 | return ToReplacementTypeOrErr.takeError(); |
1631 | |
1632 | return Importer.getToContext().getSubstTemplateTypeParmType( |
1633 | Replacement: *ToReplacementTypeOrErr, AssociatedDecl: *ReplacedOrErr, Index: T->getIndex(), PackIndex: T->getPackIndex(), |
1634 | Final: T->getFinal()); |
1635 | } |
1636 | |
1637 | ExpectedType ASTNodeImporter::VisitSubstTemplateTypeParmPackType( |
1638 | const SubstTemplateTypeParmPackType *T) { |
1639 | Expected<Decl *> ReplacedOrErr = import(From: T->getAssociatedDecl()); |
1640 | if (!ReplacedOrErr) |
1641 | return ReplacedOrErr.takeError(); |
1642 | |
1643 | Expected<TemplateArgument> ToArgumentPack = import(From: T->getArgumentPack()); |
1644 | if (!ToArgumentPack) |
1645 | return ToArgumentPack.takeError(); |
1646 | |
1647 | return Importer.getToContext().getSubstTemplateTypeParmPackType( |
1648 | AssociatedDecl: *ReplacedOrErr, Index: T->getIndex(), Final: T->getFinal(), ArgPack: *ToArgumentPack); |
1649 | } |
1650 | |
1651 | ExpectedType ASTNodeImporter::VisitTemplateSpecializationType( |
1652 | const TemplateSpecializationType *T) { |
1653 | auto ToTemplateOrErr = import(From: T->getTemplateName()); |
1654 | if (!ToTemplateOrErr) |
1655 | return ToTemplateOrErr.takeError(); |
1656 | |
1657 | SmallVector<TemplateArgument, 2> ToTemplateArgs; |
1658 | if (Error Err = |
1659 | ImportTemplateArguments(FromArgs: T->template_arguments(), ToArgs&: ToTemplateArgs)) |
1660 | return std::move(Err); |
1661 | |
1662 | ExpectedType ToUnderlyingOrErr = |
1663 | T->isCanonicalUnqualified() ? QualType() : import(From: T->desugar()); |
1664 | if (!ToUnderlyingOrErr) |
1665 | return ToUnderlyingOrErr.takeError(); |
1666 | return Importer.getToContext().getTemplateSpecializationType( |
1667 | T: *ToTemplateOrErr, SpecifiedArgs: ToTemplateArgs, CanonicalArgs: std::nullopt, Underlying: *ToUnderlyingOrErr); |
1668 | } |
1669 | |
1670 | ExpectedType ASTNodeImporter::VisitElaboratedType(const ElaboratedType *T) { |
1671 | // Note: the qualifier in an ElaboratedType is optional. |
1672 | auto ToQualifierOrErr = import(From: T->getQualifier()); |
1673 | if (!ToQualifierOrErr) |
1674 | return ToQualifierOrErr.takeError(); |
1675 | |
1676 | ExpectedType ToNamedTypeOrErr = import(From: T->getNamedType()); |
1677 | if (!ToNamedTypeOrErr) |
1678 | return ToNamedTypeOrErr.takeError(); |
1679 | |
1680 | Expected<TagDecl *> ToOwnedTagDeclOrErr = import(From: T->getOwnedTagDecl()); |
1681 | if (!ToOwnedTagDeclOrErr) |
1682 | return ToOwnedTagDeclOrErr.takeError(); |
1683 | |
1684 | return Importer.getToContext().getElaboratedType(Keyword: T->getKeyword(), |
1685 | NNS: *ToQualifierOrErr, |
1686 | NamedType: *ToNamedTypeOrErr, |
1687 | OwnedTagDecl: *ToOwnedTagDeclOrErr); |
1688 | } |
1689 | |
1690 | ExpectedType |
1691 | ASTNodeImporter::VisitPackExpansionType(const PackExpansionType *T) { |
1692 | ExpectedType ToPatternOrErr = import(From: T->getPattern()); |
1693 | if (!ToPatternOrErr) |
1694 | return ToPatternOrErr.takeError(); |
1695 | |
1696 | return Importer.getToContext().getPackExpansionType(Pattern: *ToPatternOrErr, |
1697 | NumExpansions: T->getNumExpansions(), |
1698 | /*ExpactPack=*/ExpectPackInType: false); |
1699 | } |
1700 | |
1701 | ExpectedType ASTNodeImporter::VisitDependentTemplateSpecializationType( |
1702 | const DependentTemplateSpecializationType *T) { |
1703 | const DependentTemplateStorage &DTN = T->getDependentTemplateName(); |
1704 | auto QualifierOrErr = import(From: DTN.getQualifier()); |
1705 | if (!QualifierOrErr) |
1706 | return QualifierOrErr.takeError(); |
1707 | |
1708 | SmallVector<TemplateArgument, 2> ToPack; |
1709 | ToPack.reserve(N: T->template_arguments().size()); |
1710 | if (Error Err = ImportTemplateArguments(FromArgs: T->template_arguments(), ToArgs&: ToPack)) |
1711 | return std::move(Err); |
1712 | |
1713 | return Importer.getToContext().getDependentTemplateSpecializationType( |
1714 | T->getKeyword(), |
1715 | {*QualifierOrErr, Importer.Import(FromIO: DTN.getName()), |
1716 | DTN.hasTemplateKeyword()}, |
1717 | ToPack); |
1718 | } |
1719 | |
1720 | ExpectedType |
1721 | ASTNodeImporter::VisitDependentNameType(const DependentNameType *T) { |
1722 | auto ToQualifierOrErr = import(From: T->getQualifier()); |
1723 | if (!ToQualifierOrErr) |
1724 | return ToQualifierOrErr.takeError(); |
1725 | |
1726 | IdentifierInfo *Name = Importer.Import(FromId: T->getIdentifier()); |
1727 | return Importer.getToContext().getDependentNameType(Keyword: T->getKeyword(), |
1728 | NNS: *ToQualifierOrErr, Name); |
1729 | } |
1730 | |
1731 | ExpectedType |
1732 | ASTNodeImporter::VisitObjCInterfaceType(const ObjCInterfaceType *T) { |
1733 | Expected<ObjCInterfaceDecl *> ToDeclOrErr = import(From: T->getDecl()); |
1734 | if (!ToDeclOrErr) |
1735 | return ToDeclOrErr.takeError(); |
1736 | |
1737 | return Importer.getToContext().getObjCInterfaceType(Decl: *ToDeclOrErr); |
1738 | } |
1739 | |
1740 | ExpectedType ASTNodeImporter::VisitObjCObjectType(const ObjCObjectType *T) { |
1741 | ExpectedType ToBaseTypeOrErr = import(From: T->getBaseType()); |
1742 | if (!ToBaseTypeOrErr) |
1743 | return ToBaseTypeOrErr.takeError(); |
1744 | |
1745 | SmallVector<QualType, 4> TypeArgs; |
1746 | for (auto TypeArg : T->getTypeArgsAsWritten()) { |
1747 | if (ExpectedType TyOrErr = import(From: TypeArg)) |
1748 | TypeArgs.push_back(Elt: *TyOrErr); |
1749 | else |
1750 | return TyOrErr.takeError(); |
1751 | } |
1752 | |
1753 | SmallVector<ObjCProtocolDecl *, 4> Protocols; |
1754 | for (auto *P : T->quals()) { |
1755 | if (Expected<ObjCProtocolDecl *> ProtocolOrErr = import(P)) |
1756 | Protocols.push_back(*ProtocolOrErr); |
1757 | else |
1758 | return ProtocolOrErr.takeError(); |
1759 | |
1760 | } |
1761 | |
1762 | return Importer.getToContext().getObjCObjectType(Base: *ToBaseTypeOrErr, typeArgs: TypeArgs, |
1763 | protocols: Protocols, |
1764 | isKindOf: T->isKindOfTypeAsWritten()); |
1765 | } |
1766 | |
1767 | ExpectedType |
1768 | ASTNodeImporter::VisitObjCObjectPointerType(const ObjCObjectPointerType *T) { |
1769 | ExpectedType ToPointeeTypeOrErr = import(From: T->getPointeeType()); |
1770 | if (!ToPointeeTypeOrErr) |
1771 | return ToPointeeTypeOrErr.takeError(); |
1772 | |
1773 | return Importer.getToContext().getObjCObjectPointerType(OIT: *ToPointeeTypeOrErr); |
1774 | } |
1775 | |
1776 | ExpectedType |
1777 | ASTNodeImporter::VisitMacroQualifiedType(const MacroQualifiedType *T) { |
1778 | ExpectedType ToUnderlyingTypeOrErr = import(From: T->getUnderlyingType()); |
1779 | if (!ToUnderlyingTypeOrErr) |
1780 | return ToUnderlyingTypeOrErr.takeError(); |
1781 | |
1782 | IdentifierInfo *ToIdentifier = Importer.Import(FromId: T->getMacroIdentifier()); |
1783 | return Importer.getToContext().getMacroQualifiedType(UnderlyingTy: *ToUnderlyingTypeOrErr, |
1784 | MacroII: ToIdentifier); |
1785 | } |
1786 | |
1787 | ExpectedType clang::ASTNodeImporter::VisitAdjustedType(const AdjustedType *T) { |
1788 | Error Err = Error::success(); |
1789 | QualType ToOriginalType = importChecked(Err, From: T->getOriginalType()); |
1790 | QualType ToAdjustedType = importChecked(Err, From: T->getAdjustedType()); |
1791 | if (Err) |
1792 | return std::move(Err); |
1793 | |
1794 | return Importer.getToContext().getAdjustedType(Orig: ToOriginalType, |
1795 | New: ToAdjustedType); |
1796 | } |
1797 | |
1798 | ExpectedType clang::ASTNodeImporter::VisitBitIntType(const BitIntType *T) { |
1799 | return Importer.getToContext().getBitIntType(Unsigned: T->isUnsigned(), |
1800 | NumBits: T->getNumBits()); |
1801 | } |
1802 | |
1803 | ExpectedType clang::ASTNodeImporter::VisitBTFTagAttributedType( |
1804 | const clang::BTFTagAttributedType *T) { |
1805 | Error Err = Error::success(); |
1806 | const BTFTypeTagAttr *ToBTFAttr = importChecked(Err, From: T->getAttr()); |
1807 | QualType ToWrappedType = importChecked(Err, From: T->getWrappedType()); |
1808 | if (Err) |
1809 | return std::move(Err); |
1810 | |
1811 | return Importer.getToContext().getBTFTagAttributedType(BTFAttr: ToBTFAttr, |
1812 | Wrapped: ToWrappedType); |
1813 | } |
1814 | |
1815 | ExpectedType clang::ASTNodeImporter::VisitHLSLAttributedResourceType( |
1816 | const clang::HLSLAttributedResourceType *T) { |
1817 | Error Err = Error::success(); |
1818 | const HLSLAttributedResourceType::Attributes &ToAttrs = T->getAttrs(); |
1819 | QualType ToWrappedType = importChecked(Err, From: T->getWrappedType()); |
1820 | QualType ToContainedType = importChecked(Err, From: T->getContainedType()); |
1821 | if (Err) |
1822 | return std::move(Err); |
1823 | |
1824 | return Importer.getToContext().getHLSLAttributedResourceType( |
1825 | Wrapped: ToWrappedType, Contained: ToContainedType, Attrs: ToAttrs); |
1826 | } |
1827 | |
1828 | ExpectedType clang::ASTNodeImporter::VisitHLSLInlineSpirvType( |
1829 | const clang::HLSLInlineSpirvType *T) { |
1830 | Error Err = Error::success(); |
1831 | |
1832 | uint32_t ToOpcode = T->getOpcode(); |
1833 | uint32_t ToSize = T->getSize(); |
1834 | uint32_t ToAlignment = T->getAlignment(); |
1835 | |
1836 | llvm::SmallVector<SpirvOperand> ToOperands; |
1837 | |
1838 | for (auto &Operand : T->getOperands()) { |
1839 | using SpirvOperandKind = SpirvOperand::SpirvOperandKind; |
1840 | |
1841 | switch (Operand.getKind()) { |
1842 | case SpirvOperandKind::ConstantId: |
1843 | ToOperands.push_back(Elt: SpirvOperand::createConstant( |
1844 | ResultType: importChecked(Err, From: Operand.getResultType()), Val: Operand.getValue())); |
1845 | break; |
1846 | case SpirvOperandKind::Literal: |
1847 | ToOperands.push_back(Elt: SpirvOperand::createLiteral(Val: Operand.getValue())); |
1848 | break; |
1849 | case SpirvOperandKind::TypeId: |
1850 | ToOperands.push_back(Elt: SpirvOperand::createType( |
1851 | T: importChecked(Err, From: Operand.getResultType()))); |
1852 | break; |
1853 | default: |
1854 | llvm_unreachable("Invalid SpirvOperand kind"); |
1855 | } |
1856 | |
1857 | if (Err) |
1858 | return std::move(Err); |
1859 | } |
1860 | |
1861 | return Importer.getToContext().getHLSLInlineSpirvType( |
1862 | Opcode: ToOpcode, Size: ToSize, Alignment: ToAlignment, Operands: ToOperands); |
1863 | } |
1864 | |
1865 | ExpectedType clang::ASTNodeImporter::VisitConstantMatrixType( |
1866 | const clang::ConstantMatrixType *T) { |
1867 | ExpectedType ToElementTypeOrErr = import(T->getElementType()); |
1868 | if (!ToElementTypeOrErr) |
1869 | return ToElementTypeOrErr.takeError(); |
1870 | |
1871 | return Importer.getToContext().getConstantMatrixType( |
1872 | ElementType: *ToElementTypeOrErr, NumRows: T->getNumRows(), NumColumns: T->getNumColumns()); |
1873 | } |
1874 | |
1875 | ExpectedType clang::ASTNodeImporter::VisitDependentAddressSpaceType( |
1876 | const clang::DependentAddressSpaceType *T) { |
1877 | Error Err = Error::success(); |
1878 | QualType ToPointeeType = importChecked(Err, From: T->getPointeeType()); |
1879 | Expr *ToAddrSpaceExpr = importChecked(Err, From: T->getAddrSpaceExpr()); |
1880 | SourceLocation ToAttrLoc = importChecked(Err, From: T->getAttributeLoc()); |
1881 | if (Err) |
1882 | return std::move(Err); |
1883 | |
1884 | return Importer.getToContext().getDependentAddressSpaceType( |
1885 | PointeeType: ToPointeeType, AddrSpaceExpr: ToAddrSpaceExpr, AttrLoc: ToAttrLoc); |
1886 | } |
1887 | |
1888 | ExpectedType clang::ASTNodeImporter::VisitDependentBitIntType( |
1889 | const clang::DependentBitIntType *T) { |
1890 | ExpectedExpr ToNumBitsExprOrErr = import(From: T->getNumBitsExpr()); |
1891 | if (!ToNumBitsExprOrErr) |
1892 | return ToNumBitsExprOrErr.takeError(); |
1893 | return Importer.getToContext().getDependentBitIntType(Unsigned: T->isUnsigned(), |
1894 | BitsExpr: *ToNumBitsExprOrErr); |
1895 | } |
1896 | |
1897 | ExpectedType clang::ASTNodeImporter::VisitDependentSizedMatrixType( |
1898 | const clang::DependentSizedMatrixType *T) { |
1899 | Error Err = Error::success(); |
1900 | QualType ToElementType = importChecked(Err, T->getElementType()); |
1901 | Expr *ToRowExpr = importChecked(Err, From: T->getRowExpr()); |
1902 | Expr *ToColumnExpr = importChecked(Err, From: T->getColumnExpr()); |
1903 | SourceLocation ToAttrLoc = importChecked(Err, From: T->getAttributeLoc()); |
1904 | if (Err) |
1905 | return std::move(Err); |
1906 | |
1907 | return Importer.getToContext().getDependentSizedMatrixType( |
1908 | ElementType: ToElementType, RowExpr: ToRowExpr, ColumnExpr: ToColumnExpr, AttrLoc: ToAttrLoc); |
1909 | } |
1910 | |
1911 | ExpectedType clang::ASTNodeImporter::VisitDependentVectorType( |
1912 | const clang::DependentVectorType *T) { |
1913 | Error Err = Error::success(); |
1914 | QualType ToElementType = importChecked(Err, From: T->getElementType()); |
1915 | Expr *ToSizeExpr = importChecked(Err, From: T->getSizeExpr()); |
1916 | SourceLocation ToAttrLoc = importChecked(Err, From: T->getAttributeLoc()); |
1917 | if (Err) |
1918 | return std::move(Err); |
1919 | |
1920 | return Importer.getToContext().getDependentVectorType( |
1921 | VectorType: ToElementType, SizeExpr: ToSizeExpr, AttrLoc: ToAttrLoc, VecKind: T->getVectorKind()); |
1922 | } |
1923 | |
1924 | ExpectedType clang::ASTNodeImporter::VisitObjCTypeParamType( |
1925 | const clang::ObjCTypeParamType *T) { |
1926 | Expected<ObjCTypeParamDecl *> ToDeclOrErr = import(From: T->getDecl()); |
1927 | if (!ToDeclOrErr) |
1928 | return ToDeclOrErr.takeError(); |
1929 | |
1930 | SmallVector<ObjCProtocolDecl *, 4> ToProtocols; |
1931 | for (ObjCProtocolDecl *FromProtocol : T->getProtocols()) { |
1932 | Expected<ObjCProtocolDecl *> ToProtocolOrErr = import(FromProtocol); |
1933 | if (!ToProtocolOrErr) |
1934 | return ToProtocolOrErr.takeError(); |
1935 | ToProtocols.push_back(*ToProtocolOrErr); |
1936 | } |
1937 | |
1938 | return Importer.getToContext().getObjCTypeParamType(Decl: *ToDeclOrErr, |
1939 | protocols: ToProtocols); |
1940 | } |
1941 | |
1942 | ExpectedType clang::ASTNodeImporter::VisitPipeType(const clang::PipeType *T) { |
1943 | ExpectedType ToElementTypeOrErr = import(From: T->getElementType()); |
1944 | if (!ToElementTypeOrErr) |
1945 | return ToElementTypeOrErr.takeError(); |
1946 | |
1947 | ASTContext &ToCtx = Importer.getToContext(); |
1948 | if (T->isReadOnly()) |
1949 | return ToCtx.getReadPipeType(T: *ToElementTypeOrErr); |
1950 | else |
1951 | return ToCtx.getWritePipeType(T: *ToElementTypeOrErr); |
1952 | } |
1953 | |
1954 | //---------------------------------------------------------------------------- |
1955 | // Import Declarations |
1956 | //---------------------------------------------------------------------------- |
1957 | Error ASTNodeImporter::ImportDeclParts( |
1958 | NamedDecl *D, DeclContext *&DC, DeclContext *&LexicalDC, |
1959 | DeclarationName &Name, NamedDecl *&ToD, SourceLocation &Loc) { |
1960 | // Check if RecordDecl is in FunctionDecl parameters to avoid infinite loop. |
1961 | // example: int struct_in_proto(struct data_t{int a;int b;} *d); |
1962 | // FIXME: We could support these constructs by importing a different type of |
1963 | // this parameter and by importing the original type of the parameter only |
1964 | // after the FunctionDecl is created. See |
1965 | // VisitFunctionDecl::UsedDifferentProtoType. |
1966 | DeclContext *OrigDC = D->getDeclContext(); |
1967 | FunctionDecl *FunDecl; |
1968 | if (isa<RecordDecl>(Val: D) && (FunDecl = dyn_cast<FunctionDecl>(Val: OrigDC)) && |
1969 | FunDecl->hasBody()) { |
1970 | auto getLeafPointeeType = [](const Type *T) { |
1971 | while (T->isPointerType() || T->isArrayType()) { |
1972 | T = T->getPointeeOrArrayElementType(); |
1973 | } |
1974 | return T; |
1975 | }; |
1976 | for (const ParmVarDecl *P : FunDecl->parameters()) { |
1977 | const Type *LeafT = |
1978 | getLeafPointeeType(P->getType().getCanonicalType().getTypePtr()); |
1979 | auto *RT = dyn_cast<RecordType>(Val: LeafT); |
1980 | if (RT && RT->getDecl() == D) { |
1981 | Importer.FromDiag(D->getLocation(), diag::err_unsupported_ast_node) |
1982 | << D->getDeclKindName(); |
1983 | return make_error<ASTImportError>(Args: ASTImportError::UnsupportedConstruct); |
1984 | } |
1985 | } |
1986 | } |
1987 | |
1988 | // Import the context of this declaration. |
1989 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) |
1990 | return Err; |
1991 | |
1992 | // Import the name of this declaration. |
1993 | if (Error Err = importInto(To&: Name, From: D->getDeclName())) |
1994 | return Err; |
1995 | |
1996 | // Import the location of this declaration. |
1997 | if (Error Err = importInto(Loc, D->getLocation())) |
1998 | return Err; |
1999 | |
2000 | ToD = cast_or_null<NamedDecl>(Val: Importer.GetAlreadyImportedOrNull(D)); |
2001 | if (ToD) |
2002 | if (Error Err = ASTNodeImporter(*this).ImportDefinitionIfNeeded(D, ToD)) |
2003 | return Err; |
2004 | |
2005 | return Error::success(); |
2006 | } |
2007 | |
2008 | Error ASTNodeImporter::ImportDeclParts(NamedDecl *D, DeclarationName &Name, |
2009 | NamedDecl *&ToD, SourceLocation &Loc) { |
2010 | |
2011 | // Import the name of this declaration. |
2012 | if (Error Err = importInto(To&: Name, From: D->getDeclName())) |
2013 | return Err; |
2014 | |
2015 | // Import the location of this declaration. |
2016 | if (Error Err = importInto(Loc, D->getLocation())) |
2017 | return Err; |
2018 | |
2019 | ToD = cast_or_null<NamedDecl>(Val: Importer.GetAlreadyImportedOrNull(D)); |
2020 | if (ToD) |
2021 | if (Error Err = ASTNodeImporter(*this).ImportDefinitionIfNeeded(D, ToD)) |
2022 | return Err; |
2023 | |
2024 | return Error::success(); |
2025 | } |
2026 | |
2027 | Error ASTNodeImporter::ImportDefinitionIfNeeded(Decl *FromD, Decl *ToD) { |
2028 | if (!FromD) |
2029 | return Error::success(); |
2030 | |
2031 | if (!ToD) |
2032 | if (Error Err = importInto(To&: ToD, From: FromD)) |
2033 | return Err; |
2034 | |
2035 | if (RecordDecl *FromRecord = dyn_cast<RecordDecl>(Val: FromD)) { |
2036 | if (RecordDecl *ToRecord = cast<RecordDecl>(Val: ToD)) { |
2037 | if (FromRecord->getDefinition() && FromRecord->isCompleteDefinition() && |
2038 | !ToRecord->getDefinition()) { |
2039 | if (Error Err = ImportDefinition(From: FromRecord, To: ToRecord)) |
2040 | return Err; |
2041 | } |
2042 | } |
2043 | return Error::success(); |
2044 | } |
2045 | |
2046 | if (EnumDecl *FromEnum = dyn_cast<EnumDecl>(Val: FromD)) { |
2047 | if (EnumDecl *ToEnum = cast<EnumDecl>(Val: ToD)) { |
2048 | if (FromEnum->getDefinition() && !ToEnum->getDefinition()) { |
2049 | if (Error Err = ImportDefinition(From: FromEnum, To: ToEnum)) |
2050 | return Err; |
2051 | } |
2052 | } |
2053 | return Error::success(); |
2054 | } |
2055 | |
2056 | return Error::success(); |
2057 | } |
2058 | |
2059 | Error |
2060 | ASTNodeImporter::ImportDeclarationNameLoc( |
2061 | const DeclarationNameInfo &From, DeclarationNameInfo& To) { |
2062 | // NOTE: To.Name and To.Loc are already imported. |
2063 | // We only have to import To.LocInfo. |
2064 | switch (To.getName().getNameKind()) { |
2065 | case DeclarationName::Identifier: |
2066 | case DeclarationName::ObjCZeroArgSelector: |
2067 | case DeclarationName::ObjCOneArgSelector: |
2068 | case DeclarationName::ObjCMultiArgSelector: |
2069 | case DeclarationName::CXXUsingDirective: |
2070 | case DeclarationName::CXXDeductionGuideName: |
2071 | return Error::success(); |
2072 | |
2073 | case DeclarationName::CXXOperatorName: { |
2074 | if (auto ToRangeOrErr = import(From: From.getCXXOperatorNameRange())) |
2075 | To.setCXXOperatorNameRange(*ToRangeOrErr); |
2076 | else |
2077 | return ToRangeOrErr.takeError(); |
2078 | return Error::success(); |
2079 | } |
2080 | case DeclarationName::CXXLiteralOperatorName: { |
2081 | if (ExpectedSLoc LocOrErr = import(From: From.getCXXLiteralOperatorNameLoc())) |
2082 | To.setCXXLiteralOperatorNameLoc(*LocOrErr); |
2083 | else |
2084 | return LocOrErr.takeError(); |
2085 | return Error::success(); |
2086 | } |
2087 | case DeclarationName::CXXConstructorName: |
2088 | case DeclarationName::CXXDestructorName: |
2089 | case DeclarationName::CXXConversionFunctionName: { |
2090 | if (auto ToTInfoOrErr = import(From: From.getNamedTypeInfo())) |
2091 | To.setNamedTypeInfo(*ToTInfoOrErr); |
2092 | else |
2093 | return ToTInfoOrErr.takeError(); |
2094 | return Error::success(); |
2095 | } |
2096 | } |
2097 | llvm_unreachable("Unknown name kind."); |
2098 | } |
2099 | |
2100 | Error |
2101 | ASTNodeImporter::ImportDeclContext(DeclContext *FromDC, bool ForceImport) { |
2102 | if (Importer.isMinimalImport() && !ForceImport) { |
2103 | auto ToDCOrErr = Importer.ImportContext(FromDC); |
2104 | return ToDCOrErr.takeError(); |
2105 | } |
2106 | |
2107 | // We use strict error handling in case of records and enums, but not |
2108 | // with e.g. namespaces. |
2109 | // |
2110 | // FIXME Clients of the ASTImporter should be able to choose an |
2111 | // appropriate error handling strategy for their needs. For instance, |
2112 | // they may not want to mark an entire namespace as erroneous merely |
2113 | // because there is an ODR error with two typedefs. As another example, |
2114 | // the client may allow EnumConstantDecls with same names but with |
2115 | // different values in two distinct translation units. |
2116 | ChildErrorHandlingStrategy HandleChildErrors(FromDC); |
2117 | |
2118 | auto MightNeedReordering = [](const Decl *D) { |
2119 | return isa<FieldDecl>(Val: D) || isa<IndirectFieldDecl>(Val: D) || isa<FriendDecl>(Val: D); |
2120 | }; |
2121 | |
2122 | // Import everything that might need reordering first. |
2123 | Error ChildErrors = Error::success(); |
2124 | for (auto *From : FromDC->decls()) { |
2125 | if (!MightNeedReordering(From)) |
2126 | continue; |
2127 | |
2128 | ExpectedDecl ImportedOrErr = import(From); |
2129 | |
2130 | // If we are in the process of ImportDefinition(...) for a RecordDecl we |
2131 | // want to make sure that we are also completing each FieldDecl. There |
2132 | // are currently cases where this does not happen and this is correctness |
2133 | // fix since operations such as code generation will expect this to be so. |
2134 | if (!ImportedOrErr) { |
2135 | HandleChildErrors.handleChildImportResult(ResultErr&: ChildErrors, |
2136 | ChildErr: ImportedOrErr.takeError()); |
2137 | continue; |
2138 | } |
2139 | FieldDecl *FieldFrom = dyn_cast_or_null<FieldDecl>(Val: From); |
2140 | Decl *ImportedDecl = *ImportedOrErr; |
2141 | FieldDecl *FieldTo = dyn_cast_or_null<FieldDecl>(Val: ImportedDecl); |
2142 | if (FieldFrom && FieldTo) { |
2143 | Error Err = ImportFieldDeclDefinition(From: FieldFrom, To: FieldTo); |
2144 | HandleChildErrors.handleChildImportResult(ResultErr&: ChildErrors, ChildErr: std::move(Err)); |
2145 | } |
2146 | } |
2147 | |
2148 | // We reorder declarations in RecordDecls because they may have another order |
2149 | // in the "to" context than they have in the "from" context. This may happen |
2150 | // e.g when we import a class like this: |
2151 | // struct declToImport { |
2152 | // int a = c + b; |
2153 | // int b = 1; |
2154 | // int c = 2; |
2155 | // }; |
2156 | // During the import of `a` we import first the dependencies in sequence, |
2157 | // thus the order would be `c`, `b`, `a`. We will get the normal order by |
2158 | // first removing the already imported members and then adding them in the |
2159 | // order as they appear in the "from" context. |
2160 | // |
2161 | // Keeping field order is vital because it determines structure layout. |
2162 | // |
2163 | // Here and below, we cannot call field_begin() method and its callers on |
2164 | // ToDC if it has an external storage. Calling field_begin() will |
2165 | // automatically load all the fields by calling |
2166 | // LoadFieldsFromExternalStorage(). LoadFieldsFromExternalStorage() would |
2167 | // call ASTImporter::Import(). This is because the ExternalASTSource |
2168 | // interface in LLDB is implemented by the means of the ASTImporter. However, |
2169 | // calling an import at this point would result in an uncontrolled import, we |
2170 | // must avoid that. |
2171 | |
2172 | auto ToDCOrErr = Importer.ImportContext(FromDC); |
2173 | if (!ToDCOrErr) { |
2174 | consumeError(Err: std::move(ChildErrors)); |
2175 | return ToDCOrErr.takeError(); |
2176 | } |
2177 | |
2178 | if (const auto *FromRD = dyn_cast<RecordDecl>(Val: FromDC)) { |
2179 | DeclContext *ToDC = *ToDCOrErr; |
2180 | // Remove all declarations, which may be in wrong order in the |
2181 | // lexical DeclContext and then add them in the proper order. |
2182 | for (auto *D : FromRD->decls()) { |
2183 | if (!MightNeedReordering(D)) |
2184 | continue; |
2185 | |
2186 | assert(D && "DC contains a null decl"); |
2187 | if (Decl *ToD = Importer.GetAlreadyImportedOrNull(D)) { |
2188 | // Remove only the decls which we successfully imported. |
2189 | assert(ToDC == ToD->getLexicalDeclContext() && ToDC->containsDecl(ToD)); |
2190 | // Remove the decl from its wrong place in the linked list. |
2191 | ToDC->removeDecl(ToD); |
2192 | // Add the decl to the end of the linked list. |
2193 | // This time it will be at the proper place because the enclosing for |
2194 | // loop iterates in the original (good) order of the decls. |
2195 | ToDC->addDeclInternal(ToD); |
2196 | } |
2197 | } |
2198 | } |
2199 | |
2200 | // Import everything else. |
2201 | for (auto *From : FromDC->decls()) { |
2202 | if (MightNeedReordering(From)) |
2203 | continue; |
2204 | |
2205 | ExpectedDecl ImportedOrErr = import(From); |
2206 | if (!ImportedOrErr) |
2207 | HandleChildErrors.handleChildImportResult(ResultErr&: ChildErrors, |
2208 | ChildErr: ImportedOrErr.takeError()); |
2209 | } |
2210 | |
2211 | return ChildErrors; |
2212 | } |
2213 | |
2214 | Error ASTNodeImporter::ImportFieldDeclDefinition(const FieldDecl *From, |
2215 | const FieldDecl *To) { |
2216 | RecordDecl *FromRecordDecl = nullptr; |
2217 | RecordDecl *ToRecordDecl = nullptr; |
2218 | // If we have a field that is an ArrayType we need to check if the array |
2219 | // element is a RecordDecl and if so we need to import the definition. |
2220 | QualType FromType = From->getType(); |
2221 | QualType ToType = To->getType(); |
2222 | if (FromType->isArrayType()) { |
2223 | // getBaseElementTypeUnsafe(...) handles multi-dimensional arrays for us. |
2224 | FromRecordDecl = FromType->getBaseElementTypeUnsafe()->getAsRecordDecl(); |
2225 | ToRecordDecl = ToType->getBaseElementTypeUnsafe()->getAsRecordDecl(); |
2226 | } |
2227 | |
2228 | if (!FromRecordDecl || !ToRecordDecl) { |
2229 | const RecordType *RecordFrom = FromType->getAs<RecordType>(); |
2230 | const RecordType *RecordTo = ToType->getAs<RecordType>(); |
2231 | |
2232 | if (RecordFrom && RecordTo) { |
2233 | FromRecordDecl = RecordFrom->getDecl(); |
2234 | ToRecordDecl = RecordTo->getDecl(); |
2235 | } |
2236 | } |
2237 | |
2238 | if (FromRecordDecl && ToRecordDecl) { |
2239 | if (FromRecordDecl->isCompleteDefinition() && |
2240 | !ToRecordDecl->isCompleteDefinition()) |
2241 | return ImportDefinition(From: FromRecordDecl, To: ToRecordDecl); |
2242 | } |
2243 | |
2244 | return Error::success(); |
2245 | } |
2246 | |
2247 | Error ASTNodeImporter::ImportDeclContext( |
2248 | Decl *FromD, DeclContext *&ToDC, DeclContext *&ToLexicalDC) { |
2249 | auto ToDCOrErr = Importer.ImportContext(FromDC: FromD->getDeclContext()); |
2250 | if (!ToDCOrErr) |
2251 | return ToDCOrErr.takeError(); |
2252 | ToDC = *ToDCOrErr; |
2253 | |
2254 | if (FromD->getDeclContext() != FromD->getLexicalDeclContext()) { |
2255 | auto ToLexicalDCOrErr = Importer.ImportContext( |
2256 | FromDC: FromD->getLexicalDeclContext()); |
2257 | if (!ToLexicalDCOrErr) |
2258 | return ToLexicalDCOrErr.takeError(); |
2259 | ToLexicalDC = *ToLexicalDCOrErr; |
2260 | } else |
2261 | ToLexicalDC = ToDC; |
2262 | |
2263 | return Error::success(); |
2264 | } |
2265 | |
2266 | Error ASTNodeImporter::ImportImplicitMethods( |
2267 | const CXXRecordDecl *From, CXXRecordDecl *To) { |
2268 | assert(From->isCompleteDefinition() && To->getDefinition() == To && |
2269 | "Import implicit methods to or from non-definition"); |
2270 | |
2271 | for (CXXMethodDecl *FromM : From->methods()) |
2272 | if (FromM->isImplicit()) { |
2273 | Expected<CXXMethodDecl *> ToMOrErr = import(From: FromM); |
2274 | if (!ToMOrErr) |
2275 | return ToMOrErr.takeError(); |
2276 | } |
2277 | |
2278 | return Error::success(); |
2279 | } |
2280 | |
2281 | static Error setTypedefNameForAnonDecl(TagDecl *From, TagDecl *To, |
2282 | ASTImporter &Importer) { |
2283 | if (TypedefNameDecl *FromTypedef = From->getTypedefNameForAnonDecl()) { |
2284 | if (ExpectedDecl ToTypedefOrErr = Importer.Import(FromTypedef)) |
2285 | To->setTypedefNameForAnonDecl(cast<TypedefNameDecl>(Val: *ToTypedefOrErr)); |
2286 | else |
2287 | return ToTypedefOrErr.takeError(); |
2288 | } |
2289 | return Error::success(); |
2290 | } |
2291 | |
2292 | Error ASTNodeImporter::ImportDefinition( |
2293 | RecordDecl *From, RecordDecl *To, ImportDefinitionKind Kind) { |
2294 | auto DefinitionCompleter = [To]() { |
2295 | // There are cases in LLDB when we first import a class without its |
2296 | // members. The class will have DefinitionData, but no members. Then, |
2297 | // importDefinition is called from LLDB, which tries to get the members, so |
2298 | // when we get here, the class already has the DefinitionData set, so we |
2299 | // must unset the CompleteDefinition here to be able to complete again the |
2300 | // definition. |
2301 | To->setCompleteDefinition(false); |
2302 | To->completeDefinition(); |
2303 | }; |
2304 | |
2305 | if (To->getDefinition() || To->isBeingDefined()) { |
2306 | if (Kind == IDK_Everything || |
2307 | // In case of lambdas, the class already has a definition ptr set, but |
2308 | // the contained decls are not imported yet. Also, isBeingDefined was |
2309 | // set in CXXRecordDecl::CreateLambda. We must import the contained |
2310 | // decls here and finish the definition. |
2311 | (To->isLambda() && shouldForceImportDeclContext(IDK: Kind))) { |
2312 | if (To->isLambda()) { |
2313 | auto *FromCXXRD = cast<CXXRecordDecl>(Val: From); |
2314 | SmallVector<LambdaCapture, 8> ToCaptures; |
2315 | ToCaptures.reserve(N: FromCXXRD->capture_size()); |
2316 | for (const auto &FromCapture : FromCXXRD->captures()) { |
2317 | if (auto ToCaptureOrErr = import(From: FromCapture)) |
2318 | ToCaptures.push_back(Elt: *ToCaptureOrErr); |
2319 | else |
2320 | return ToCaptureOrErr.takeError(); |
2321 | } |
2322 | cast<CXXRecordDecl>(Val: To)->setCaptures(Context&: Importer.getToContext(), |
2323 | Captures: ToCaptures); |
2324 | } |
2325 | |
2326 | Error Result = ImportDeclContext(From, /*ForceImport=*/true); |
2327 | // Finish the definition of the lambda, set isBeingDefined to false. |
2328 | if (To->isLambda()) |
2329 | DefinitionCompleter(); |
2330 | return Result; |
2331 | } |
2332 | |
2333 | return Error::success(); |
2334 | } |
2335 | |
2336 | To->startDefinition(); |
2337 | // Set the definition to complete even if it is really not complete during |
2338 | // import. Some AST constructs (expressions) require the record layout |
2339 | // to be calculated (see 'clang::computeDependence') at the time they are |
2340 | // constructed. Import of such AST node is possible during import of the |
2341 | // same record, there is no way to have a completely defined record (all |
2342 | // fields imported) at that time without multiple AST import passes. |
2343 | if (!Importer.isMinimalImport()) |
2344 | To->setCompleteDefinition(true); |
2345 | // Complete the definition even if error is returned. |
2346 | // The RecordDecl may be already part of the AST so it is better to |
2347 | // have it in complete state even if something is wrong with it. |
2348 | auto DefinitionCompleterScopeExit = |
2349 | llvm::make_scope_exit(F&: DefinitionCompleter); |
2350 | |
2351 | if (Error Err = setTypedefNameForAnonDecl(From, To, Importer)) |
2352 | return Err; |
2353 | |
2354 | // Add base classes. |
2355 | auto *ToCXX = dyn_cast<CXXRecordDecl>(Val: To); |
2356 | auto *FromCXX = dyn_cast<CXXRecordDecl>(Val: From); |
2357 | if (ToCXX && FromCXX && ToCXX->dataPtr() && FromCXX->dataPtr()) { |
2358 | |
2359 | struct CXXRecordDecl::DefinitionData &ToData = ToCXX->data(); |
2360 | struct CXXRecordDecl::DefinitionData &FromData = FromCXX->data(); |
2361 | |
2362 | #define FIELD(Name, Width, Merge) \ |
2363 | ToData.Name = FromData.Name; |
2364 | #include "clang/AST/CXXRecordDeclDefinitionBits.def" |
2365 | |
2366 | // Copy over the data stored in RecordDeclBits |
2367 | ToCXX->setArgPassingRestrictions(FromCXX->getArgPassingRestrictions()); |
2368 | |
2369 | SmallVector<CXXBaseSpecifier *, 4> Bases; |
2370 | for (const auto &Base1 : FromCXX->bases()) { |
2371 | ExpectedType TyOrErr = import(From: Base1.getType()); |
2372 | if (!TyOrErr) |
2373 | return TyOrErr.takeError(); |
2374 | |
2375 | SourceLocation EllipsisLoc; |
2376 | if (Base1.isPackExpansion()) { |
2377 | if (ExpectedSLoc LocOrErr = import(From: Base1.getEllipsisLoc())) |
2378 | EllipsisLoc = *LocOrErr; |
2379 | else |
2380 | return LocOrErr.takeError(); |
2381 | } |
2382 | |
2383 | // Ensure that we have a definition for the base. |
2384 | if (Error Err = |
2385 | ImportDefinitionIfNeeded(Base1.getType()->getAsCXXRecordDecl())) |
2386 | return Err; |
2387 | |
2388 | auto RangeOrErr = import(From: Base1.getSourceRange()); |
2389 | if (!RangeOrErr) |
2390 | return RangeOrErr.takeError(); |
2391 | |
2392 | auto TSIOrErr = import(From: Base1.getTypeSourceInfo()); |
2393 | if (!TSIOrErr) |
2394 | return TSIOrErr.takeError(); |
2395 | |
2396 | Bases.push_back( |
2397 | Elt: new (Importer.getToContext()) CXXBaseSpecifier( |
2398 | *RangeOrErr, |
2399 | Base1.isVirtual(), |
2400 | Base1.isBaseOfClass(), |
2401 | Base1.getAccessSpecifierAsWritten(), |
2402 | *TSIOrErr, |
2403 | EllipsisLoc)); |
2404 | } |
2405 | if (!Bases.empty()) |
2406 | ToCXX->setBases(Bases: Bases.data(), NumBases: Bases.size()); |
2407 | } |
2408 | |
2409 | if (shouldForceImportDeclContext(IDK: Kind)) { |
2410 | if (Error Err = ImportDeclContext(From, /*ForceImport=*/true)) |
2411 | return Err; |
2412 | } |
2413 | |
2414 | return Error::success(); |
2415 | } |
2416 | |
2417 | Error ASTNodeImporter::ImportInitializer(VarDecl *From, VarDecl *To) { |
2418 | if (To->getAnyInitializer()) |
2419 | return Error::success(); |
2420 | |
2421 | Expr *FromInit = From->getInit(); |
2422 | if (!FromInit) |
2423 | return Error::success(); |
2424 | |
2425 | ExpectedExpr ToInitOrErr = import(From: FromInit); |
2426 | if (!ToInitOrErr) |
2427 | return ToInitOrErr.takeError(); |
2428 | |
2429 | To->setInit(*ToInitOrErr); |
2430 | if (EvaluatedStmt *FromEval = From->getEvaluatedStmt()) { |
2431 | EvaluatedStmt *ToEval = To->ensureEvaluatedStmt(); |
2432 | ToEval->HasConstantInitialization = FromEval->HasConstantInitialization; |
2433 | ToEval->HasConstantDestruction = FromEval->HasConstantDestruction; |
2434 | // FIXME: Also import the initializer value. |
2435 | } |
2436 | |
2437 | // FIXME: Other bits to merge? |
2438 | return Error::success(); |
2439 | } |
2440 | |
2441 | Error ASTNodeImporter::ImportDefinition( |
2442 | EnumDecl *From, EnumDecl *To, ImportDefinitionKind Kind) { |
2443 | if (To->getDefinition() || To->isBeingDefined()) { |
2444 | if (Kind == IDK_Everything) |
2445 | return ImportDeclContext(From, /*ForceImport=*/true); |
2446 | return Error::success(); |
2447 | } |
2448 | |
2449 | To->startDefinition(); |
2450 | |
2451 | if (Error Err = setTypedefNameForAnonDecl(From, To, Importer)) |
2452 | return Err; |
2453 | |
2454 | ExpectedType ToTypeOrErr = |
2455 | import(From: Importer.getFromContext().getTypeDeclType(From)); |
2456 | if (!ToTypeOrErr) |
2457 | return ToTypeOrErr.takeError(); |
2458 | |
2459 | ExpectedType ToPromotionTypeOrErr = import(From: From->getPromotionType()); |
2460 | if (!ToPromotionTypeOrErr) |
2461 | return ToPromotionTypeOrErr.takeError(); |
2462 | |
2463 | if (shouldForceImportDeclContext(IDK: Kind)) |
2464 | if (Error Err = ImportDeclContext(From, /*ForceImport=*/true)) |
2465 | return Err; |
2466 | |
2467 | // FIXME: we might need to merge the number of positive or negative bits |
2468 | // if the enumerator lists don't match. |
2469 | To->completeDefinition(NewType: *ToTypeOrErr, PromotionType: *ToPromotionTypeOrErr, |
2470 | NumPositiveBits: From->getNumPositiveBits(), |
2471 | NumNegativeBits: From->getNumNegativeBits()); |
2472 | return Error::success(); |
2473 | } |
2474 | |
2475 | Error ASTNodeImporter::ImportTemplateArguments( |
2476 | ArrayRef<TemplateArgument> FromArgs, |
2477 | SmallVectorImpl<TemplateArgument> &ToArgs) { |
2478 | for (const auto &Arg : FromArgs) { |
2479 | if (auto ToOrErr = import(From: Arg)) |
2480 | ToArgs.push_back(Elt: *ToOrErr); |
2481 | else |
2482 | return ToOrErr.takeError(); |
2483 | } |
2484 | |
2485 | return Error::success(); |
2486 | } |
2487 | |
2488 | // FIXME: Do not forget to remove this and use only 'import'. |
2489 | Expected<TemplateArgument> |
2490 | ASTNodeImporter::ImportTemplateArgument(const TemplateArgument &From) { |
2491 | return import(From); |
2492 | } |
2493 | |
2494 | template <typename InContainerTy> |
2495 | Error ASTNodeImporter::ImportTemplateArgumentListInfo( |
2496 | const InContainerTy &Container, TemplateArgumentListInfo &ToTAInfo) { |
2497 | for (const auto &FromLoc : Container) { |
2498 | if (auto ToLocOrErr = import(FromLoc)) |
2499 | ToTAInfo.addArgument(Loc: *ToLocOrErr); |
2500 | else |
2501 | return ToLocOrErr.takeError(); |
2502 | } |
2503 | return Error::success(); |
2504 | } |
2505 | |
2506 | static StructuralEquivalenceKind |
2507 | getStructuralEquivalenceKind(const ASTImporter &Importer) { |
2508 | return Importer.isMinimalImport() ? StructuralEquivalenceKind::Minimal |
2509 | : StructuralEquivalenceKind::Default; |
2510 | } |
2511 | |
2512 | bool ASTNodeImporter::IsStructuralMatch(Decl *From, Decl *To, bool Complain, |
2513 | bool IgnoreTemplateParmDepth) { |
2514 | // Eliminate a potential failure point where we attempt to re-import |
2515 | // something we're trying to import while completing ToRecord. |
2516 | Decl *ToOrigin = Importer.GetOriginalDecl(To); |
2517 | if (ToOrigin) { |
2518 | To = ToOrigin; |
2519 | } |
2520 | |
2521 | StructuralEquivalenceContext Ctx( |
2522 | Importer.getToContext().getLangOpts(), Importer.getFromContext(), |
2523 | Importer.getToContext(), Importer.getNonEquivalentDecls(), |
2524 | getStructuralEquivalenceKind(Importer), |
2525 | /*StrictTypeSpelling=*/false, Complain, /*ErrorOnTagTypeMismatch=*/false, |
2526 | IgnoreTemplateParmDepth); |
2527 | return Ctx.IsEquivalent(D1: From, D2: To); |
2528 | } |
2529 | |
2530 | ExpectedDecl ASTNodeImporter::VisitDecl(Decl *D) { |
2531 | Importer.FromDiag(D->getLocation(), diag::err_unsupported_ast_node) |
2532 | << D->getDeclKindName(); |
2533 | return make_error<ASTImportError>(Args: ASTImportError::UnsupportedConstruct); |
2534 | } |
2535 | |
2536 | ExpectedDecl ASTNodeImporter::VisitImportDecl(ImportDecl *D) { |
2537 | Importer.FromDiag(D->getLocation(), diag::err_unsupported_ast_node) |
2538 | << D->getDeclKindName(); |
2539 | return make_error<ASTImportError>(Args: ASTImportError::UnsupportedConstruct); |
2540 | } |
2541 | |
2542 | ExpectedDecl ASTNodeImporter::VisitEmptyDecl(EmptyDecl *D) { |
2543 | // Import the context of this declaration. |
2544 | DeclContext *DC, *LexicalDC; |
2545 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) |
2546 | return std::move(Err); |
2547 | |
2548 | // Import the location of this declaration. |
2549 | ExpectedSLoc LocOrErr = import(D->getLocation()); |
2550 | if (!LocOrErr) |
2551 | return LocOrErr.takeError(); |
2552 | |
2553 | EmptyDecl *ToD; |
2554 | if (GetImportedOrCreateDecl(ToD, FromD: D, args&: Importer.getToContext(), args&: DC, args&: *LocOrErr)) |
2555 | return ToD; |
2556 | |
2557 | ToD->setLexicalDeclContext(LexicalDC); |
2558 | LexicalDC->addDeclInternal(ToD); |
2559 | return ToD; |
2560 | } |
2561 | |
2562 | ExpectedDecl ASTNodeImporter::VisitTranslationUnitDecl(TranslationUnitDecl *D) { |
2563 | TranslationUnitDecl *ToD = |
2564 | Importer.getToContext().getTranslationUnitDecl(); |
2565 | |
2566 | Importer.MapImported(D, ToD); |
2567 | |
2568 | return ToD; |
2569 | } |
2570 | |
2571 | ExpectedDecl ASTNodeImporter::VisitBindingDecl(BindingDecl *D) { |
2572 | DeclContext *DC, *LexicalDC; |
2573 | DeclarationName Name; |
2574 | SourceLocation Loc; |
2575 | NamedDecl *ToND; |
2576 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToND, Loc)) |
2577 | return std::move(Err); |
2578 | if (ToND) |
2579 | return ToND; |
2580 | |
2581 | BindingDecl *ToD; |
2582 | if (GetImportedOrCreateDecl(ToD, D, Importer.getToContext(), DC, Loc, |
2583 | Name.getAsIdentifierInfo(), D->getType())) |
2584 | return ToD; |
2585 | |
2586 | Error Err = Error::success(); |
2587 | QualType ToType = importChecked(Err, D->getType()); |
2588 | Expr *ToBinding = importChecked(Err, From: D->getBinding()); |
2589 | ValueDecl *ToDecomposedDecl = importChecked(Err, From: D->getDecomposedDecl()); |
2590 | if (Err) |
2591 | return std::move(Err); |
2592 | |
2593 | ToD->setBinding(DeclaredType: ToType, Binding: ToBinding); |
2594 | ToD->setDecomposedDecl(ToDecomposedDecl); |
2595 | addDeclToContexts(D, ToD); |
2596 | |
2597 | return ToD; |
2598 | } |
2599 | |
2600 | ExpectedDecl ASTNodeImporter::VisitAccessSpecDecl(AccessSpecDecl *D) { |
2601 | ExpectedSLoc LocOrErr = import(D->getLocation()); |
2602 | if (!LocOrErr) |
2603 | return LocOrErr.takeError(); |
2604 | auto ColonLocOrErr = import(From: D->getColonLoc()); |
2605 | if (!ColonLocOrErr) |
2606 | return ColonLocOrErr.takeError(); |
2607 | |
2608 | // Import the context of this declaration. |
2609 | auto DCOrErr = Importer.ImportContext(FromDC: D->getDeclContext()); |
2610 | if (!DCOrErr) |
2611 | return DCOrErr.takeError(); |
2612 | DeclContext *DC = *DCOrErr; |
2613 | |
2614 | AccessSpecDecl *ToD; |
2615 | if (GetImportedOrCreateDecl(ToD, D, Importer.getToContext(), D->getAccess(), |
2616 | DC, *LocOrErr, *ColonLocOrErr)) |
2617 | return ToD; |
2618 | |
2619 | // Lexical DeclContext and Semantic DeclContext |
2620 | // is always the same for the accessSpec. |
2621 | ToD->setLexicalDeclContext(DC); |
2622 | DC->addDeclInternal(ToD); |
2623 | |
2624 | return ToD; |
2625 | } |
2626 | |
2627 | ExpectedDecl ASTNodeImporter::VisitStaticAssertDecl(StaticAssertDecl *D) { |
2628 | auto DCOrErr = Importer.ImportContext(FromDC: D->getDeclContext()); |
2629 | if (!DCOrErr) |
2630 | return DCOrErr.takeError(); |
2631 | DeclContext *DC = *DCOrErr; |
2632 | DeclContext *LexicalDC = DC; |
2633 | |
2634 | Error Err = Error::success(); |
2635 | auto ToLocation = importChecked(Err, D->getLocation()); |
2636 | auto ToRParenLoc = importChecked(Err, From: D->getRParenLoc()); |
2637 | auto ToAssertExpr = importChecked(Err, From: D->getAssertExpr()); |
2638 | auto ToMessage = importChecked(Err, From: D->getMessage()); |
2639 | if (Err) |
2640 | return std::move(Err); |
2641 | |
2642 | StaticAssertDecl *ToD; |
2643 | if (GetImportedOrCreateDecl( |
2644 | ToD, D, Importer.getToContext(), DC, ToLocation, ToAssertExpr, ToMessage, |
2645 | ToRParenLoc, D->isFailed())) |
2646 | return ToD; |
2647 | |
2648 | ToD->setLexicalDeclContext(LexicalDC); |
2649 | LexicalDC->addDeclInternal(ToD); |
2650 | return ToD; |
2651 | } |
2652 | |
2653 | ExpectedDecl ASTNodeImporter::VisitNamespaceDecl(NamespaceDecl *D) { |
2654 | // Import the major distinguishing characteristics of this namespace. |
2655 | DeclContext *DC, *LexicalDC; |
2656 | DeclarationName Name; |
2657 | SourceLocation Loc; |
2658 | NamedDecl *ToD; |
2659 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
2660 | return std::move(Err); |
2661 | if (ToD) |
2662 | return ToD; |
2663 | |
2664 | NamespaceDecl *MergeWithNamespace = nullptr; |
2665 | if (!Name) { |
2666 | // This is an anonymous namespace. Adopt an existing anonymous |
2667 | // namespace if we can. |
2668 | DeclContext *EnclosingDC = DC->getEnclosingNamespaceContext(); |
2669 | if (auto *TU = dyn_cast<TranslationUnitDecl>(Val: EnclosingDC)) |
2670 | MergeWithNamespace = TU->getAnonymousNamespace(); |
2671 | else |
2672 | MergeWithNamespace = |
2673 | cast<NamespaceDecl>(Val: EnclosingDC)->getAnonymousNamespace(); |
2674 | } else { |
2675 | SmallVector<NamedDecl *, 4> ConflictingDecls; |
2676 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
2677 | for (auto *FoundDecl : FoundDecls) { |
2678 | if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Namespace)) |
2679 | continue; |
2680 | |
2681 | if (auto *FoundNS = dyn_cast<NamespaceDecl>(Val: FoundDecl)) { |
2682 | MergeWithNamespace = FoundNS; |
2683 | ConflictingDecls.clear(); |
2684 | break; |
2685 | } |
2686 | |
2687 | ConflictingDecls.push_back(Elt: FoundDecl); |
2688 | } |
2689 | |
2690 | if (!ConflictingDecls.empty()) { |
2691 | ExpectedName NameOrErr = Importer.HandleNameConflict( |
2692 | Name, DC, IDNS: Decl::IDNS_Namespace, Decls: ConflictingDecls.data(), |
2693 | NumDecls: ConflictingDecls.size()); |
2694 | if (NameOrErr) |
2695 | Name = NameOrErr.get(); |
2696 | else |
2697 | return NameOrErr.takeError(); |
2698 | } |
2699 | } |
2700 | |
2701 | ExpectedSLoc BeginLocOrErr = import(From: D->getBeginLoc()); |
2702 | if (!BeginLocOrErr) |
2703 | return BeginLocOrErr.takeError(); |
2704 | ExpectedSLoc RBraceLocOrErr = import(From: D->getRBraceLoc()); |
2705 | if (!RBraceLocOrErr) |
2706 | return RBraceLocOrErr.takeError(); |
2707 | |
2708 | // Create the "to" namespace, if needed. |
2709 | NamespaceDecl *ToNamespace = MergeWithNamespace; |
2710 | if (!ToNamespace) { |
2711 | if (GetImportedOrCreateDecl(ToD&: ToNamespace, FromD: D, args&: Importer.getToContext(), args&: DC, |
2712 | args: D->isInline(), args&: *BeginLocOrErr, args&: Loc, |
2713 | args: Name.getAsIdentifierInfo(), |
2714 | /*PrevDecl=*/args: nullptr, args: D->isNested())) |
2715 | return ToNamespace; |
2716 | ToNamespace->setRBraceLoc(*RBraceLocOrErr); |
2717 | ToNamespace->setLexicalDeclContext(LexicalDC); |
2718 | LexicalDC->addDeclInternal(ToNamespace); |
2719 | |
2720 | // If this is an anonymous namespace, register it as the anonymous |
2721 | // namespace within its context. |
2722 | if (!Name) { |
2723 | if (auto *TU = dyn_cast<TranslationUnitDecl>(Val: DC)) |
2724 | TU->setAnonymousNamespace(ToNamespace); |
2725 | else |
2726 | cast<NamespaceDecl>(Val: DC)->setAnonymousNamespace(ToNamespace); |
2727 | } |
2728 | } |
2729 | Importer.MapImported(D, ToNamespace); |
2730 | |
2731 | if (Error Err = ImportDeclContext(D)) |
2732 | return std::move(Err); |
2733 | |
2734 | return ToNamespace; |
2735 | } |
2736 | |
2737 | ExpectedDecl ASTNodeImporter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) { |
2738 | // Import the major distinguishing characteristics of this namespace. |
2739 | DeclContext *DC, *LexicalDC; |
2740 | DeclarationName Name; |
2741 | SourceLocation Loc; |
2742 | NamedDecl *LookupD; |
2743 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, LookupD, Loc)) |
2744 | return std::move(Err); |
2745 | if (LookupD) |
2746 | return LookupD; |
2747 | |
2748 | // NOTE: No conflict resolution is done for namespace aliases now. |
2749 | |
2750 | Error Err = Error::success(); |
2751 | auto ToNamespaceLoc = importChecked(Err, From: D->getNamespaceLoc()); |
2752 | auto ToAliasLoc = importChecked(Err, From: D->getAliasLoc()); |
2753 | auto ToQualifierLoc = importChecked(Err, From: D->getQualifierLoc()); |
2754 | auto ToTargetNameLoc = importChecked(Err, From: D->getTargetNameLoc()); |
2755 | auto ToNamespace = importChecked(Err, From: D->getNamespace()); |
2756 | if (Err) |
2757 | return std::move(Err); |
2758 | |
2759 | IdentifierInfo *ToIdentifier = Importer.Import(D->getIdentifier()); |
2760 | |
2761 | NamespaceAliasDecl *ToD; |
2762 | if (GetImportedOrCreateDecl( |
2763 | ToD, FromD: D, args&: Importer.getToContext(), args&: DC, args&: ToNamespaceLoc, args&: ToAliasLoc, |
2764 | args&: ToIdentifier, args&: ToQualifierLoc, args&: ToTargetNameLoc, args&: ToNamespace)) |
2765 | return ToD; |
2766 | |
2767 | ToD->setLexicalDeclContext(LexicalDC); |
2768 | LexicalDC->addDeclInternal(ToD); |
2769 | |
2770 | return ToD; |
2771 | } |
2772 | |
2773 | ExpectedDecl |
2774 | ASTNodeImporter::VisitTypedefNameDecl(TypedefNameDecl *D, bool IsAlias) { |
2775 | // Import the major distinguishing characteristics of this typedef. |
2776 | DeclarationName Name; |
2777 | SourceLocation Loc; |
2778 | NamedDecl *ToD; |
2779 | // Do not import the DeclContext, we will import it once the TypedefNameDecl |
2780 | // is created. |
2781 | if (Error Err = ImportDeclParts(D, Name, ToD, Loc)) |
2782 | return std::move(Err); |
2783 | if (ToD) |
2784 | return ToD; |
2785 | |
2786 | DeclContext *DC = cast_or_null<DeclContext>( |
2787 | Importer.GetAlreadyImportedOrNull(FromD: cast<Decl>(D->getDeclContext()))); |
2788 | DeclContext *LexicalDC = |
2789 | cast_or_null<DeclContext>(Importer.GetAlreadyImportedOrNull( |
2790 | FromD: cast<Decl>(D->getLexicalDeclContext()))); |
2791 | |
2792 | // If this typedef is not in block scope, determine whether we've |
2793 | // seen a typedef with the same name (that we can merge with) or any |
2794 | // other entity by that name (which name lookup could conflict with). |
2795 | // Note: Repeated typedefs are not valid in C99: |
2796 | // 'typedef int T; typedef int T;' is invalid |
2797 | // We do not care about this now. |
2798 | if (DC && !DC->isFunctionOrMethod()) { |
2799 | SmallVector<NamedDecl *, 4> ConflictingDecls; |
2800 | unsigned IDNS = Decl::IDNS_Ordinary; |
2801 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
2802 | for (auto *FoundDecl : FoundDecls) { |
2803 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) |
2804 | continue; |
2805 | if (auto *FoundTypedef = dyn_cast<TypedefNameDecl>(FoundDecl)) { |
2806 | if (!hasSameVisibilityContextAndLinkage(FoundTypedef, D)) |
2807 | continue; |
2808 | |
2809 | QualType FromUT = D->getUnderlyingType(); |
2810 | QualType FoundUT = FoundTypedef->getUnderlyingType(); |
2811 | if (Importer.IsStructurallyEquivalent(FromUT, FoundUT)) { |
2812 | // If the underlying declarations are unnamed records these can be |
2813 | // imported as different types. We should create a distinct typedef |
2814 | // node in this case. |
2815 | // If we found an existing underlying type with a record in a |
2816 | // different context (than the imported), this is already reason for |
2817 | // having distinct typedef nodes for these. |
2818 | // Again this can create situation like |
2819 | // 'typedef int T; typedef int T;' but this is hard to avoid without |
2820 | // a rename strategy at import. |
2821 | if (!FromUT.isNull() && !FoundUT.isNull()) { |
2822 | RecordDecl *FromR = FromUT->getAsRecordDecl(); |
2823 | RecordDecl *FoundR = FoundUT->getAsRecordDecl(); |
2824 | if (FromR && FoundR && |
2825 | !hasSameVisibilityContextAndLinkage(FoundR, FromR)) |
2826 | continue; |
2827 | } |
2828 | // If the "From" context has a complete underlying type but we |
2829 | // already have a complete underlying type then return with that. |
2830 | if (!FromUT->isIncompleteType() && !FoundUT->isIncompleteType()) |
2831 | return Importer.MapImported(D, FoundTypedef); |
2832 | // FIXME Handle redecl chain. When you do that make consistent changes |
2833 | // in ASTImporterLookupTable too. |
2834 | } else { |
2835 | ConflictingDecls.push_back(FoundDecl); |
2836 | } |
2837 | } |
2838 | } |
2839 | |
2840 | if (!ConflictingDecls.empty()) { |
2841 | ExpectedName NameOrErr = Importer.HandleNameConflict( |
2842 | Name, DC, IDNS, Decls: ConflictingDecls.data(), NumDecls: ConflictingDecls.size()); |
2843 | if (NameOrErr) |
2844 | Name = NameOrErr.get(); |
2845 | else |
2846 | return NameOrErr.takeError(); |
2847 | } |
2848 | } |
2849 | |
2850 | Error Err = Error::success(); |
2851 | auto ToUnderlyingType = importChecked(Err, From: D->getUnderlyingType()); |
2852 | auto ToTypeSourceInfo = importChecked(Err, From: D->getTypeSourceInfo()); |
2853 | auto ToBeginLoc = importChecked(Err, D->getBeginLoc()); |
2854 | if (Err) |
2855 | return std::move(Err); |
2856 | |
2857 | // Create the new typedef node. |
2858 | // FIXME: ToUnderlyingType is not used. |
2859 | (void)ToUnderlyingType; |
2860 | TypedefNameDecl *ToTypedef; |
2861 | if (IsAlias) { |
2862 | if (GetImportedOrCreateDecl<TypeAliasDecl>( |
2863 | ToTypedef, D, Importer.getToContext(), DC, ToBeginLoc, Loc, |
2864 | Name.getAsIdentifierInfo(), ToTypeSourceInfo)) |
2865 | return ToTypedef; |
2866 | } else if (GetImportedOrCreateDecl<TypedefDecl>( |
2867 | ToTypedef, D, Importer.getToContext(), DC, ToBeginLoc, Loc, |
2868 | Name.getAsIdentifierInfo(), ToTypeSourceInfo)) |
2869 | return ToTypedef; |
2870 | |
2871 | // Import the DeclContext and set it to the Typedef. |
2872 | if ((Err = ImportDeclContext(D, DC, LexicalDC))) |
2873 | return std::move(Err); |
2874 | ToTypedef->setDeclContext(DC); |
2875 | ToTypedef->setLexicalDeclContext(LexicalDC); |
2876 | // Add to the lookupTable because we could not do that in MapImported. |
2877 | Importer.AddToLookupTable(ToTypedef); |
2878 | |
2879 | ToTypedef->setAccess(D->getAccess()); |
2880 | |
2881 | // Templated declarations should not appear in DeclContext. |
2882 | TypeAliasDecl *FromAlias = IsAlias ? cast<TypeAliasDecl>(Val: D) : nullptr; |
2883 | if (!FromAlias || !FromAlias->getDescribedAliasTemplate()) |
2884 | LexicalDC->addDeclInternal(ToTypedef); |
2885 | |
2886 | return ToTypedef; |
2887 | } |
2888 | |
2889 | ExpectedDecl ASTNodeImporter::VisitTypedefDecl(TypedefDecl *D) { |
2890 | return VisitTypedefNameDecl(D, /*IsAlias=*/false); |
2891 | } |
2892 | |
2893 | ExpectedDecl ASTNodeImporter::VisitTypeAliasDecl(TypeAliasDecl *D) { |
2894 | return VisitTypedefNameDecl(D, /*IsAlias=*/true); |
2895 | } |
2896 | |
2897 | ExpectedDecl |
2898 | ASTNodeImporter::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) { |
2899 | // Import the major distinguishing characteristics of this typedef. |
2900 | DeclContext *DC, *LexicalDC; |
2901 | DeclarationName Name; |
2902 | SourceLocation Loc; |
2903 | NamedDecl *FoundD; |
2904 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, FoundD, Loc)) |
2905 | return std::move(Err); |
2906 | if (FoundD) |
2907 | return FoundD; |
2908 | |
2909 | // If this typedef is not in block scope, determine whether we've |
2910 | // seen a typedef with the same name (that we can merge with) or any |
2911 | // other entity by that name (which name lookup could conflict with). |
2912 | if (!DC->isFunctionOrMethod()) { |
2913 | SmallVector<NamedDecl *, 4> ConflictingDecls; |
2914 | unsigned IDNS = Decl::IDNS_Ordinary; |
2915 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
2916 | for (auto *FoundDecl : FoundDecls) { |
2917 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) |
2918 | continue; |
2919 | if (auto *FoundAlias = dyn_cast<TypeAliasTemplateDecl>(Val: FoundDecl)) { |
2920 | if (IsStructuralMatch(D, FoundAlias)) |
2921 | return Importer.MapImported(D, FoundAlias); |
2922 | ConflictingDecls.push_back(Elt: FoundDecl); |
2923 | } |
2924 | } |
2925 | |
2926 | if (!ConflictingDecls.empty()) { |
2927 | ExpectedName NameOrErr = Importer.HandleNameConflict( |
2928 | Name, DC, IDNS, Decls: ConflictingDecls.data(), NumDecls: ConflictingDecls.size()); |
2929 | if (NameOrErr) |
2930 | Name = NameOrErr.get(); |
2931 | else |
2932 | return NameOrErr.takeError(); |
2933 | } |
2934 | } |
2935 | |
2936 | Error Err = Error::success(); |
2937 | auto ToTemplateParameters = importChecked(Err, D->getTemplateParameters()); |
2938 | auto ToTemplatedDecl = importChecked(Err, From: D->getTemplatedDecl()); |
2939 | if (Err) |
2940 | return std::move(Err); |
2941 | |
2942 | TypeAliasTemplateDecl *ToAlias; |
2943 | if (GetImportedOrCreateDecl(ToAlias, D, Importer.getToContext(), DC, Loc, |
2944 | Name, ToTemplateParameters, ToTemplatedDecl)) |
2945 | return ToAlias; |
2946 | |
2947 | ToTemplatedDecl->setDescribedAliasTemplate(ToAlias); |
2948 | |
2949 | ToAlias->setAccess(D->getAccess()); |
2950 | ToAlias->setLexicalDeclContext(LexicalDC); |
2951 | LexicalDC->addDeclInternal(ToAlias); |
2952 | if (DC != Importer.getToContext().getTranslationUnitDecl()) |
2953 | updateLookupTableForTemplateParameters(*ToTemplateParameters); |
2954 | return ToAlias; |
2955 | } |
2956 | |
2957 | ExpectedDecl ASTNodeImporter::VisitLabelDecl(LabelDecl *D) { |
2958 | // Import the major distinguishing characteristics of this label. |
2959 | DeclContext *DC, *LexicalDC; |
2960 | DeclarationName Name; |
2961 | SourceLocation Loc; |
2962 | NamedDecl *ToD; |
2963 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
2964 | return std::move(Err); |
2965 | if (ToD) |
2966 | return ToD; |
2967 | |
2968 | assert(LexicalDC->isFunctionOrMethod()); |
2969 | |
2970 | LabelDecl *ToLabel; |
2971 | if (D->isGnuLocal()) { |
2972 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); |
2973 | if (!BeginLocOrErr) |
2974 | return BeginLocOrErr.takeError(); |
2975 | if (GetImportedOrCreateDecl(ToD&: ToLabel, FromD: D, args&: Importer.getToContext(), args&: DC, args&: Loc, |
2976 | args: Name.getAsIdentifierInfo(), args&: *BeginLocOrErr)) |
2977 | return ToLabel; |
2978 | |
2979 | } else { |
2980 | if (GetImportedOrCreateDecl(ToD&: ToLabel, FromD: D, args&: Importer.getToContext(), args&: DC, args&: Loc, |
2981 | args: Name.getAsIdentifierInfo())) |
2982 | return ToLabel; |
2983 | |
2984 | } |
2985 | |
2986 | Expected<LabelStmt *> ToStmtOrErr = import(From: D->getStmt()); |
2987 | if (!ToStmtOrErr) |
2988 | return ToStmtOrErr.takeError(); |
2989 | |
2990 | ToLabel->setStmt(*ToStmtOrErr); |
2991 | ToLabel->setLexicalDeclContext(LexicalDC); |
2992 | LexicalDC->addDeclInternal(ToLabel); |
2993 | return ToLabel; |
2994 | } |
2995 | |
2996 | ExpectedDecl ASTNodeImporter::VisitEnumDecl(EnumDecl *D) { |
2997 | // Import the major distinguishing characteristics of this enum. |
2998 | DeclContext *DC, *LexicalDC; |
2999 | DeclarationName Name; |
3000 | SourceLocation Loc; |
3001 | NamedDecl *ToD; |
3002 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
3003 | return std::move(Err); |
3004 | if (ToD) |
3005 | return ToD; |
3006 | |
3007 | // Figure out what enum name we're looking for. |
3008 | unsigned IDNS = Decl::IDNS_Tag; |
3009 | DeclarationName SearchName = Name; |
3010 | if (!SearchName && D->getTypedefNameForAnonDecl()) { |
3011 | if (Error Err = importInto( |
3012 | SearchName, D->getTypedefNameForAnonDecl()->getDeclName())) |
3013 | return std::move(Err); |
3014 | IDNS = Decl::IDNS_Ordinary; |
3015 | } else if (Importer.getToContext().getLangOpts().CPlusPlus) |
3016 | IDNS |= Decl::IDNS_Ordinary; |
3017 | |
3018 | // We may already have an enum of the same name; try to find and match it. |
3019 | EnumDecl *PrevDecl = nullptr; |
3020 | if (!DC->isFunctionOrMethod()) { |
3021 | SmallVector<NamedDecl *, 4> ConflictingDecls; |
3022 | auto FoundDecls = |
3023 | Importer.findDeclsInToCtx(DC, Name: SearchName); |
3024 | for (auto *FoundDecl : FoundDecls) { |
3025 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) |
3026 | continue; |
3027 | |
3028 | if (auto *Typedef = dyn_cast<TypedefNameDecl>(Val: FoundDecl)) { |
3029 | if (const auto *Tag = Typedef->getUnderlyingType()->getAs<TagType>()) |
3030 | FoundDecl = Tag->getDecl(); |
3031 | } |
3032 | |
3033 | if (auto *FoundEnum = dyn_cast<EnumDecl>(Val: FoundDecl)) { |
3034 | if (!hasSameVisibilityContextAndLinkage(Found: FoundEnum, From: D)) |
3035 | continue; |
3036 | if (IsStructuralMatch(D, FoundEnum, !SearchName.isEmpty())) { |
3037 | EnumDecl *FoundDef = FoundEnum->getDefinition(); |
3038 | if (D->isThisDeclarationADefinition() && FoundDef) |
3039 | return Importer.MapImported(D, FoundDef); |
3040 | PrevDecl = FoundEnum->getMostRecentDecl(); |
3041 | break; |
3042 | } |
3043 | ConflictingDecls.push_back(Elt: FoundDecl); |
3044 | } |
3045 | } |
3046 | |
3047 | // In case of unnamed enums, we try to find an existing similar one, if none |
3048 | // was found, perform the import always. |
3049 | // Structural in-equivalence is not detected in this way here, but it may |
3050 | // be found when the parent decl is imported (if the enum is part of a |
3051 | // class). To make this totally exact a more difficult solution is needed. |
3052 | if (SearchName && !ConflictingDecls.empty()) { |
3053 | ExpectedName NameOrErr = Importer.HandleNameConflict( |
3054 | Name: SearchName, DC, IDNS, Decls: ConflictingDecls.data(), |
3055 | NumDecls: ConflictingDecls.size()); |
3056 | if (NameOrErr) |
3057 | Name = NameOrErr.get(); |
3058 | else |
3059 | return NameOrErr.takeError(); |
3060 | } |
3061 | } |
3062 | |
3063 | Error Err = Error::success(); |
3064 | auto ToBeginLoc = importChecked(Err, D->getBeginLoc()); |
3065 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); |
3066 | auto ToIntegerType = importChecked(Err, From: D->getIntegerType()); |
3067 | auto ToBraceRange = importChecked(Err, D->getBraceRange()); |
3068 | if (Err) |
3069 | return std::move(Err); |
3070 | |
3071 | // Create the enum declaration. |
3072 | EnumDecl *D2; |
3073 | if (GetImportedOrCreateDecl( |
3074 | D2, D, Importer.getToContext(), DC, ToBeginLoc, |
3075 | Loc, Name.getAsIdentifierInfo(), PrevDecl, D->isScoped(), |
3076 | D->isScopedUsingClassTag(), D->isFixed())) |
3077 | return D2; |
3078 | |
3079 | D2->setQualifierInfo(ToQualifierLoc); |
3080 | D2->setIntegerType(ToIntegerType); |
3081 | D2->setBraceRange(ToBraceRange); |
3082 | D2->setAccess(D->getAccess()); |
3083 | D2->setLexicalDeclContext(LexicalDC); |
3084 | addDeclToContexts(D, D2); |
3085 | |
3086 | if (MemberSpecializationInfo *MemberInfo = D->getMemberSpecializationInfo()) { |
3087 | TemplateSpecializationKind SK = MemberInfo->getTemplateSpecializationKind(); |
3088 | EnumDecl *FromInst = D->getInstantiatedFromMemberEnum(); |
3089 | if (Expected<EnumDecl *> ToInstOrErr = import(From: FromInst)) |
3090 | D2->setInstantiationOfMemberEnum(ED: *ToInstOrErr, TSK: SK); |
3091 | else |
3092 | return ToInstOrErr.takeError(); |
3093 | if (ExpectedSLoc POIOrErr = import(From: MemberInfo->getPointOfInstantiation())) |
3094 | D2->getMemberSpecializationInfo()->setPointOfInstantiation(*POIOrErr); |
3095 | else |
3096 | return POIOrErr.takeError(); |
3097 | } |
3098 | |
3099 | // Import the definition |
3100 | if (D->isCompleteDefinition()) |
3101 | if (Error Err = ImportDefinition(From: D, To: D2)) |
3102 | return std::move(Err); |
3103 | |
3104 | return D2; |
3105 | } |
3106 | |
3107 | ExpectedDecl ASTNodeImporter::VisitRecordDecl(RecordDecl *D) { |
3108 | bool IsFriendTemplate = false; |
3109 | if (auto *DCXX = dyn_cast<CXXRecordDecl>(Val: D)) { |
3110 | IsFriendTemplate = |
3111 | DCXX->getDescribedClassTemplate() && |
3112 | DCXX->getDescribedClassTemplate()->getFriendObjectKind() != |
3113 | Decl::FOK_None; |
3114 | } |
3115 | |
3116 | // Import the major distinguishing characteristics of this record. |
3117 | DeclContext *DC = nullptr, *LexicalDC = nullptr; |
3118 | DeclarationName Name; |
3119 | SourceLocation Loc; |
3120 | NamedDecl *ToD = nullptr; |
3121 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
3122 | return std::move(Err); |
3123 | if (ToD) |
3124 | return ToD; |
3125 | |
3126 | // Figure out what structure name we're looking for. |
3127 | unsigned IDNS = Decl::IDNS_Tag; |
3128 | DeclarationName SearchName = Name; |
3129 | if (!SearchName && D->getTypedefNameForAnonDecl()) { |
3130 | if (Error Err = importInto( |
3131 | SearchName, D->getTypedefNameForAnonDecl()->getDeclName())) |
3132 | return std::move(Err); |
3133 | IDNS = Decl::IDNS_Ordinary; |
3134 | } else if (Importer.getToContext().getLangOpts().CPlusPlus) |
3135 | IDNS |= Decl::IDNS_Ordinary | Decl::IDNS_TagFriend; |
3136 | |
3137 | bool IsDependentContext = DC != LexicalDC ? LexicalDC->isDependentContext() |
3138 | : DC->isDependentContext(); |
3139 | bool DependentFriend = IsFriendTemplate && IsDependentContext; |
3140 | |
3141 | // We may already have a record of the same name; try to find and match it. |
3142 | RecordDecl *PrevDecl = nullptr; |
3143 | if (!DependentFriend && !DC->isFunctionOrMethod() && !D->isLambda()) { |
3144 | SmallVector<NamedDecl *, 4> ConflictingDecls; |
3145 | auto FoundDecls = |
3146 | Importer.findDeclsInToCtx(DC, Name: SearchName); |
3147 | if (!FoundDecls.empty()) { |
3148 | // We're going to have to compare D against potentially conflicting Decls, |
3149 | // so complete it. |
3150 | if (D->hasExternalLexicalStorage() && !D->isCompleteDefinition()) |
3151 | D->getASTContext().getExternalSource()->CompleteType(D); |
3152 | } |
3153 | |
3154 | for (auto *FoundDecl : FoundDecls) { |
3155 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) |
3156 | continue; |
3157 | |
3158 | Decl *Found = FoundDecl; |
3159 | if (auto *Typedef = dyn_cast<TypedefNameDecl>(Found)) { |
3160 | if (const auto *Tag = Typedef->getUnderlyingType()->getAs<TagType>()) |
3161 | Found = Tag->getDecl(); |
3162 | } |
3163 | |
3164 | if (auto *FoundRecord = dyn_cast<RecordDecl>(Found)) { |
3165 | // Do not emit false positive diagnostic in case of unnamed |
3166 | // struct/union and in case of anonymous structs. Would be false |
3167 | // because there may be several anonymous/unnamed structs in a class. |
3168 | // E.g. these are both valid: |
3169 | // struct A { // unnamed structs |
3170 | // struct { struct A *next; } entry0; |
3171 | // struct { struct A *next; } entry1; |
3172 | // }; |
3173 | // struct X { struct { int a; }; struct { int b; }; }; // anon structs |
3174 | if (!SearchName) |
3175 | if (!IsStructuralMatch(From: D, To: FoundRecord, Complain: false)) |
3176 | continue; |
3177 | |
3178 | if (!hasSameVisibilityContextAndLinkage(FoundRecord, D)) |
3179 | continue; |
3180 | |
3181 | if (IsStructuralMatch(From: D, To: FoundRecord)) { |
3182 | RecordDecl *FoundDef = FoundRecord->getDefinition(); |
3183 | if (D->isThisDeclarationADefinition() && FoundDef) { |
3184 | // FIXME: Structural equivalence check should check for same |
3185 | // user-defined methods. |
3186 | Importer.MapImported(D, FoundDef); |
3187 | if (const auto *DCXX = dyn_cast<CXXRecordDecl>(Val: D)) { |
3188 | auto *FoundCXX = dyn_cast<CXXRecordDecl>(Val: FoundDef); |
3189 | assert(FoundCXX && "Record type mismatch"); |
3190 | |
3191 | if (!Importer.isMinimalImport()) |
3192 | // FoundDef may not have every implicit method that D has |
3193 | // because implicit methods are created only if they are used. |
3194 | if (Error Err = ImportImplicitMethods(From: DCXX, To: FoundCXX)) |
3195 | return std::move(Err); |
3196 | } |
3197 | // FIXME: We can return FoundDef here. |
3198 | } |
3199 | PrevDecl = FoundRecord->getMostRecentDecl(); |
3200 | break; |
3201 | } |
3202 | ConflictingDecls.push_back(Elt: FoundDecl); |
3203 | } // kind is RecordDecl |
3204 | } // for |
3205 | |
3206 | if (!ConflictingDecls.empty() && SearchName) { |
3207 | ExpectedName NameOrErr = Importer.HandleNameConflict( |
3208 | Name: SearchName, DC, IDNS, Decls: ConflictingDecls.data(), |
3209 | NumDecls: ConflictingDecls.size()); |
3210 | if (NameOrErr) |
3211 | Name = NameOrErr.get(); |
3212 | else |
3213 | return NameOrErr.takeError(); |
3214 | } |
3215 | } |
3216 | |
3217 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); |
3218 | if (!BeginLocOrErr) |
3219 | return BeginLocOrErr.takeError(); |
3220 | |
3221 | // Create the record declaration. |
3222 | RecordDecl *D2 = nullptr; |
3223 | CXXRecordDecl *D2CXX = nullptr; |
3224 | if (auto *DCXX = dyn_cast<CXXRecordDecl>(Val: D)) { |
3225 | if (DCXX->isLambda()) { |
3226 | auto TInfoOrErr = import(From: DCXX->getLambdaTypeInfo()); |
3227 | if (!TInfoOrErr) |
3228 | return TInfoOrErr.takeError(); |
3229 | if (GetImportedOrCreateSpecialDecl( |
3230 | ToD&: D2CXX, CreateFun: CXXRecordDecl::CreateLambda, FromD: D, args&: Importer.getToContext(), |
3231 | args&: DC, args&: *TInfoOrErr, args&: Loc, args: DCXX->getLambdaDependencyKind(), |
3232 | args: DCXX->isGenericLambda(), args: DCXX->getLambdaCaptureDefault())) |
3233 | return D2CXX; |
3234 | CXXRecordDecl::LambdaNumbering Numbering = DCXX->getLambdaNumbering(); |
3235 | ExpectedDecl CDeclOrErr = import(From: Numbering.ContextDecl); |
3236 | if (!CDeclOrErr) |
3237 | return CDeclOrErr.takeError(); |
3238 | Numbering.ContextDecl = *CDeclOrErr; |
3239 | D2CXX->setLambdaNumbering(Numbering); |
3240 | } else if (DCXX->isInjectedClassName()) { |
3241 | // We have to be careful to do a similar dance to the one in |
3242 | // Sema::ActOnStartCXXMemberDeclarations |
3243 | const bool DelayTypeCreation = true; |
3244 | if (GetImportedOrCreateDecl( |
3245 | D2CXX, D, Importer.getToContext(), D->getTagKind(), DC, |
3246 | *BeginLocOrErr, Loc, Name.getAsIdentifierInfo(), |
3247 | cast_or_null<CXXRecordDecl>(Val: PrevDecl), DelayTypeCreation)) |
3248 | return D2CXX; |
3249 | Importer.getToContext().getTypeDeclType( |
3250 | D2CXX, dyn_cast<CXXRecordDecl>(Val: DC)); |
3251 | } else { |
3252 | if (GetImportedOrCreateDecl(D2CXX, D, Importer.getToContext(), |
3253 | D->getTagKind(), DC, *BeginLocOrErr, Loc, |
3254 | Name.getAsIdentifierInfo(), |
3255 | cast_or_null<CXXRecordDecl>(Val: PrevDecl))) |
3256 | return D2CXX; |
3257 | } |
3258 | |
3259 | D2 = D2CXX; |
3260 | D2->setAccess(D->getAccess()); |
3261 | D2->setLexicalDeclContext(LexicalDC); |
3262 | addDeclToContexts(D, D2); |
3263 | |
3264 | if (ClassTemplateDecl *FromDescribed = |
3265 | DCXX->getDescribedClassTemplate()) { |
3266 | ClassTemplateDecl *ToDescribed; |
3267 | if (Error Err = importInto(To&: ToDescribed, From: FromDescribed)) |
3268 | return std::move(Err); |
3269 | D2CXX->setDescribedClassTemplate(ToDescribed); |
3270 | if (!DCXX->isInjectedClassName() && !IsFriendTemplate) { |
3271 | // In a record describing a template the type should be an |
3272 | // InjectedClassNameType (see Sema::CheckClassTemplate). Update the |
3273 | // previously set type to the correct value here (ToDescribed is not |
3274 | // available at record create). |
3275 | CXXRecordDecl *Injected = nullptr; |
3276 | for (NamedDecl *Found : D2CXX->noload_lookup(Name)) { |
3277 | auto *Record = dyn_cast<CXXRecordDecl>(Found); |
3278 | if (Record && Record->isInjectedClassName()) { |
3279 | Injected = Record; |
3280 | break; |
3281 | } |
3282 | } |
3283 | // Create an injected type for the whole redecl chain. |
3284 | // The chain may contain an already existing injected type at the start, |
3285 | // if yes this should be reused. We must ensure that only one type |
3286 | // object exists for the injected type (including the injected record |
3287 | // declaration), ASTContext does not check it. |
3288 | SmallVector<Decl *, 2> Redecls = |
3289 | getCanonicalForwardRedeclChain(D2CXX); |
3290 | const Type *FrontTy = |
3291 | cast<CXXRecordDecl>(Val: Redecls.front())->getTypeForDecl(); |
3292 | QualType InjSpec; |
3293 | if (auto *InjTy = FrontTy->getAs<InjectedClassNameType>()) |
3294 | InjSpec = InjTy->getInjectedSpecializationType(); |
3295 | else |
3296 | InjSpec = ToDescribed->getInjectedClassNameSpecialization(); |
3297 | for (auto *R : Redecls) { |
3298 | auto *RI = cast<CXXRecordDecl>(R); |
3299 | if (R != Redecls.front() || |
3300 | !isa<InjectedClassNameType>(RI->getTypeForDecl())) |
3301 | RI->setTypeForDecl(nullptr); |
3302 | // This function tries to get the injected type from getTypeForDecl, |
3303 | // then from the previous declaration if possible. If not, it creates |
3304 | // a new type. |
3305 | Importer.getToContext().getInjectedClassNameType(RI, InjSpec); |
3306 | } |
3307 | // Set the new type for the injected decl too. |
3308 | if (Injected) { |
3309 | Injected->setTypeForDecl(nullptr); |
3310 | // This function will copy the injected type from D2CXX into Injected. |
3311 | // The injected decl does not have a previous decl to copy from. |
3312 | Importer.getToContext().getTypeDeclType(Injected, D2CXX); |
3313 | } |
3314 | } |
3315 | } else if (MemberSpecializationInfo *MemberInfo = |
3316 | DCXX->getMemberSpecializationInfo()) { |
3317 | TemplateSpecializationKind SK = |
3318 | MemberInfo->getTemplateSpecializationKind(); |
3319 | CXXRecordDecl *FromInst = DCXX->getInstantiatedFromMemberClass(); |
3320 | |
3321 | if (Expected<CXXRecordDecl *> ToInstOrErr = import(From: FromInst)) |
3322 | D2CXX->setInstantiationOfMemberClass(RD: *ToInstOrErr, TSK: SK); |
3323 | else |
3324 | return ToInstOrErr.takeError(); |
3325 | |
3326 | if (ExpectedSLoc POIOrErr = |
3327 | import(From: MemberInfo->getPointOfInstantiation())) |
3328 | D2CXX->getMemberSpecializationInfo()->setPointOfInstantiation( |
3329 | *POIOrErr); |
3330 | else |
3331 | return POIOrErr.takeError(); |
3332 | } |
3333 | |
3334 | } else { |
3335 | if (GetImportedOrCreateDecl(D2, D, Importer.getToContext(), |
3336 | D->getTagKind(), DC, *BeginLocOrErr, Loc, |
3337 | Name.getAsIdentifierInfo(), PrevDecl)) |
3338 | return D2; |
3339 | D2->setLexicalDeclContext(LexicalDC); |
3340 | addDeclToContexts(D, D2); |
3341 | } |
3342 | |
3343 | if (auto BraceRangeOrErr = import(D->getBraceRange())) |
3344 | D2->setBraceRange(*BraceRangeOrErr); |
3345 | else |
3346 | return BraceRangeOrErr.takeError(); |
3347 | if (auto QualifierLocOrErr = import(D->getQualifierLoc())) |
3348 | D2->setQualifierInfo(*QualifierLocOrErr); |
3349 | else |
3350 | return QualifierLocOrErr.takeError(); |
3351 | |
3352 | if (D->isAnonymousStructOrUnion()) |
3353 | D2->setAnonymousStructOrUnion(true); |
3354 | |
3355 | if (D->isCompleteDefinition()) |
3356 | if (Error Err = ImportDefinition(From: D, To: D2, Kind: IDK_Default)) |
3357 | return std::move(Err); |
3358 | |
3359 | return D2; |
3360 | } |
3361 | |
3362 | ExpectedDecl ASTNodeImporter::VisitEnumConstantDecl(EnumConstantDecl *D) { |
3363 | // Import the major distinguishing characteristics of this enumerator. |
3364 | DeclContext *DC, *LexicalDC; |
3365 | DeclarationName Name; |
3366 | SourceLocation Loc; |
3367 | NamedDecl *ToD; |
3368 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
3369 | return std::move(Err); |
3370 | if (ToD) |
3371 | return ToD; |
3372 | |
3373 | // Determine whether there are any other declarations with the same name and |
3374 | // in the same context. |
3375 | if (!LexicalDC->isFunctionOrMethod()) { |
3376 | SmallVector<NamedDecl *, 4> ConflictingDecls; |
3377 | unsigned IDNS = Decl::IDNS_Ordinary; |
3378 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
3379 | for (auto *FoundDecl : FoundDecls) { |
3380 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) |
3381 | continue; |
3382 | |
3383 | if (auto *FoundEnumConstant = dyn_cast<EnumConstantDecl>(Val: FoundDecl)) { |
3384 | if (IsStructuralMatch(D, FoundEnumConstant)) |
3385 | return Importer.MapImported(D, FoundEnumConstant); |
3386 | ConflictingDecls.push_back(Elt: FoundDecl); |
3387 | } |
3388 | } |
3389 | |
3390 | if (!ConflictingDecls.empty()) { |
3391 | ExpectedName NameOrErr = Importer.HandleNameConflict( |
3392 | Name, DC, IDNS, Decls: ConflictingDecls.data(), NumDecls: ConflictingDecls.size()); |
3393 | if (NameOrErr) |
3394 | Name = NameOrErr.get(); |
3395 | else |
3396 | return NameOrErr.takeError(); |
3397 | } |
3398 | } |
3399 | |
3400 | ExpectedType TypeOrErr = import(D->getType()); |
3401 | if (!TypeOrErr) |
3402 | return TypeOrErr.takeError(); |
3403 | |
3404 | ExpectedExpr InitOrErr = import(From: D->getInitExpr()); |
3405 | if (!InitOrErr) |
3406 | return InitOrErr.takeError(); |
3407 | |
3408 | EnumConstantDecl *ToEnumerator; |
3409 | if (GetImportedOrCreateDecl( |
3410 | ToD&: ToEnumerator, FromD: D, args&: Importer.getToContext(), args: cast<EnumDecl>(Val: DC), args&: Loc, |
3411 | args: Name.getAsIdentifierInfo(), args&: *TypeOrErr, args&: *InitOrErr, args: D->getInitVal())) |
3412 | return ToEnumerator; |
3413 | |
3414 | ToEnumerator->setAccess(D->getAccess()); |
3415 | ToEnumerator->setLexicalDeclContext(LexicalDC); |
3416 | LexicalDC->addDeclInternal(ToEnumerator); |
3417 | return ToEnumerator; |
3418 | } |
3419 | |
3420 | template <typename DeclTy> |
3421 | Error ASTNodeImporter::ImportTemplateParameterLists(const DeclTy *FromD, |
3422 | DeclTy *ToD) { |
3423 | unsigned int Num = FromD->getNumTemplateParameterLists(); |
3424 | if (Num == 0) |
3425 | return Error::success(); |
3426 | SmallVector<TemplateParameterList *, 2> ToTPLists(Num); |
3427 | for (unsigned int I = 0; I < Num; ++I) |
3428 | if (Expected<TemplateParameterList *> ToTPListOrErr = |
3429 | import(FromD->getTemplateParameterList(I))) |
3430 | ToTPLists[I] = *ToTPListOrErr; |
3431 | else |
3432 | return ToTPListOrErr.takeError(); |
3433 | ToD->setTemplateParameterListsInfo(Importer.ToContext, ToTPLists); |
3434 | return Error::success(); |
3435 | } |
3436 | |
3437 | Error ASTNodeImporter::ImportTemplateInformation( |
3438 | FunctionDecl *FromFD, FunctionDecl *ToFD) { |
3439 | switch (FromFD->getTemplatedKind()) { |
3440 | case FunctionDecl::TK_NonTemplate: |
3441 | case FunctionDecl::TK_FunctionTemplate: |
3442 | return Error::success(); |
3443 | |
3444 | case FunctionDecl::TK_DependentNonTemplate: |
3445 | if (Expected<FunctionDecl *> InstFDOrErr = |
3446 | import(From: FromFD->getInstantiatedFromDecl())) |
3447 | ToFD->setInstantiatedFromDecl(*InstFDOrErr); |
3448 | return Error::success(); |
3449 | case FunctionDecl::TK_MemberSpecialization: { |
3450 | TemplateSpecializationKind TSK = FromFD->getTemplateSpecializationKind(); |
3451 | |
3452 | if (Expected<FunctionDecl *> InstFDOrErr = |
3453 | import(From: FromFD->getInstantiatedFromMemberFunction())) |
3454 | ToFD->setInstantiationOfMemberFunction(FD: *InstFDOrErr, TSK); |
3455 | else |
3456 | return InstFDOrErr.takeError(); |
3457 | |
3458 | if (ExpectedSLoc POIOrErr = import( |
3459 | From: FromFD->getMemberSpecializationInfo()->getPointOfInstantiation())) |
3460 | ToFD->getMemberSpecializationInfo()->setPointOfInstantiation(*POIOrErr); |
3461 | else |
3462 | return POIOrErr.takeError(); |
3463 | |
3464 | return Error::success(); |
3465 | } |
3466 | |
3467 | case FunctionDecl::TK_FunctionTemplateSpecialization: { |
3468 | auto FunctionAndArgsOrErr = |
3469 | ImportFunctionTemplateWithTemplateArgsFromSpecialization(FromFD); |
3470 | if (!FunctionAndArgsOrErr) |
3471 | return FunctionAndArgsOrErr.takeError(); |
3472 | |
3473 | TemplateArgumentList *ToTAList = TemplateArgumentList::CreateCopy( |
3474 | Context&: Importer.getToContext(), Args: std::get<1>(*FunctionAndArgsOrErr)); |
3475 | |
3476 | auto *FTSInfo = FromFD->getTemplateSpecializationInfo(); |
3477 | TemplateArgumentListInfo ToTAInfo; |
3478 | const auto *FromTAArgsAsWritten = FTSInfo->TemplateArgumentsAsWritten; |
3479 | if (FromTAArgsAsWritten) |
3480 | if (Error Err = ImportTemplateArgumentListInfo( |
3481 | Container: *FromTAArgsAsWritten, ToTAInfo)) |
3482 | return Err; |
3483 | |
3484 | ExpectedSLoc POIOrErr = import(From: FTSInfo->getPointOfInstantiation()); |
3485 | if (!POIOrErr) |
3486 | return POIOrErr.takeError(); |
3487 | |
3488 | if (Error Err = ImportTemplateParameterLists(FromD: FromFD, ToD: ToFD)) |
3489 | return Err; |
3490 | |
3491 | TemplateSpecializationKind TSK = FTSInfo->getTemplateSpecializationKind(); |
3492 | ToFD->setFunctionTemplateSpecialization( |
3493 | std::get<0>(*FunctionAndArgsOrErr), ToTAList, /* InsertPos= */ nullptr, |
3494 | TSK, FromTAArgsAsWritten ? &ToTAInfo : nullptr, *POIOrErr); |
3495 | return Error::success(); |
3496 | } |
3497 | |
3498 | case FunctionDecl::TK_DependentFunctionTemplateSpecialization: { |
3499 | auto *FromInfo = FromFD->getDependentSpecializationInfo(); |
3500 | UnresolvedSet<8> Candidates; |
3501 | for (FunctionTemplateDecl *FTD : FromInfo->getCandidates()) { |
3502 | if (Expected<FunctionTemplateDecl *> ToFTDOrErr = import(From: FTD)) |
3503 | Candidates.addDecl(*ToFTDOrErr); |
3504 | else |
3505 | return ToFTDOrErr.takeError(); |
3506 | } |
3507 | |
3508 | // Import TemplateArgumentListInfo. |
3509 | TemplateArgumentListInfo ToTAInfo; |
3510 | const auto *FromTAArgsAsWritten = FromInfo->TemplateArgumentsAsWritten; |
3511 | if (FromTAArgsAsWritten) |
3512 | if (Error Err = |
3513 | ImportTemplateArgumentListInfo(Container: *FromTAArgsAsWritten, ToTAInfo)) |
3514 | return Err; |
3515 | |
3516 | ToFD->setDependentTemplateSpecialization( |
3517 | Context&: Importer.getToContext(), Templates: Candidates, |
3518 | TemplateArgs: FromTAArgsAsWritten ? &ToTAInfo : nullptr); |
3519 | return Error::success(); |
3520 | } |
3521 | } |
3522 | llvm_unreachable("All cases should be covered!"); |
3523 | } |
3524 | |
3525 | Expected<FunctionDecl *> |
3526 | ASTNodeImporter::FindFunctionTemplateSpecialization(FunctionDecl *FromFD) { |
3527 | auto FunctionAndArgsOrErr = |
3528 | ImportFunctionTemplateWithTemplateArgsFromSpecialization(FromFD); |
3529 | if (!FunctionAndArgsOrErr) |
3530 | return FunctionAndArgsOrErr.takeError(); |
3531 | |
3532 | FunctionTemplateDecl *Template; |
3533 | TemplateArgsTy ToTemplArgs; |
3534 | std::tie(args&: Template, args&: ToTemplArgs) = *FunctionAndArgsOrErr; |
3535 | void *InsertPos = nullptr; |
3536 | auto *FoundSpec = Template->findSpecialization(Args: ToTemplArgs, InsertPos); |
3537 | return FoundSpec; |
3538 | } |
3539 | |
3540 | Error ASTNodeImporter::ImportFunctionDeclBody(FunctionDecl *FromFD, |
3541 | FunctionDecl *ToFD) { |
3542 | if (Stmt *FromBody = FromFD->getBody()) { |
3543 | if (ExpectedStmt ToBodyOrErr = import(From: FromBody)) |
3544 | ToFD->setBody(*ToBodyOrErr); |
3545 | else |
3546 | return ToBodyOrErr.takeError(); |
3547 | } |
3548 | return Error::success(); |
3549 | } |
3550 | |
3551 | // Returns true if the given D has a DeclContext up to the TranslationUnitDecl |
3552 | // which is equal to the given DC, or D is equal to DC. |
3553 | static bool isAncestorDeclContextOf(const DeclContext *DC, const Decl *D) { |
3554 | const DeclContext *DCi = dyn_cast<DeclContext>(Val: D); |
3555 | if (!DCi) |
3556 | DCi = D->getDeclContext(); |
3557 | assert(DCi && "Declaration should have a context"); |
3558 | while (DCi != D->getTranslationUnitDecl()) { |
3559 | if (DCi == DC) |
3560 | return true; |
3561 | DCi = DCi->getParent(); |
3562 | } |
3563 | return false; |
3564 | } |
3565 | |
3566 | // Check if there is a declaration that has 'DC' as parent context and is |
3567 | // referenced from statement 'S' or one of its children. The search is done in |
3568 | // BFS order through children of 'S'. |
3569 | static bool isAncestorDeclContextOf(const DeclContext *DC, const Stmt *S) { |
3570 | SmallVector<const Stmt *> ToProcess; |
3571 | ToProcess.push_back(Elt: S); |
3572 | while (!ToProcess.empty()) { |
3573 | const Stmt *CurrentS = ToProcess.pop_back_val(); |
3574 | ToProcess.append(in_start: CurrentS->child_begin(), in_end: CurrentS->child_end()); |
3575 | if (const auto *DeclRef = dyn_cast<DeclRefExpr>(Val: CurrentS)) { |
3576 | if (const Decl *D = DeclRef->getDecl()) |
3577 | if (isAncestorDeclContextOf(DC, D)) |
3578 | return true; |
3579 | } else if (const auto *E = |
3580 | dyn_cast_or_null<SubstNonTypeTemplateParmExpr>(Val: CurrentS)) { |
3581 | if (const Decl *D = E->getAssociatedDecl()) |
3582 | if (isAncestorDeclContextOf(DC, D)) |
3583 | return true; |
3584 | } |
3585 | } |
3586 | return false; |
3587 | } |
3588 | |
3589 | namespace { |
3590 | /// Check if a type has any reference to a declaration that is inside the body |
3591 | /// of a function. |
3592 | /// The \c CheckType(QualType) function should be used to determine |
3593 | /// this property. |
3594 | /// |
3595 | /// The type visitor visits one type object only (not recursive). |
3596 | /// To find all referenced declarations we must discover all type objects until |
3597 | /// the canonical type is reached (walk over typedef and similar objects). This |
3598 | /// is done by loop over all "sugar" type objects. For every such type we must |
3599 | /// check all declarations that are referenced from it. For this check the |
3600 | /// visitor is used. In the visit functions all referenced declarations except |
3601 | /// the one that follows in the sugar chain (if any) must be checked. For this |
3602 | /// check the same visitor is re-used (it has no state-dependent data). |
3603 | /// |
3604 | /// The visit functions have 3 possible return values: |
3605 | /// - True, found a declaration inside \c ParentDC. |
3606 | /// - False, found declarations only outside \c ParentDC and it is not possible |
3607 | /// to find more declarations (the "sugar" chain does not continue). |
3608 | /// - Empty optional value, found no declarations or only outside \c ParentDC, |
3609 | /// but it is possible to find more declarations in the type "sugar" chain. |
3610 | /// The loop over the "sugar" types can be implemented by using type visit |
3611 | /// functions only (call \c CheckType with the desugared type). With the current |
3612 | /// solution no visit function is needed if the type has only a desugared type |
3613 | /// as data. |
3614 | class IsTypeDeclaredInsideVisitor |
3615 | : public TypeVisitor<IsTypeDeclaredInsideVisitor, std::optional<bool>> { |
3616 | public: |
3617 | IsTypeDeclaredInsideVisitor(const FunctionDecl *ParentDC) |
3618 | : ParentDC(ParentDC) {} |
3619 | |
3620 | bool CheckType(QualType T) { |
3621 | // Check the chain of "sugar" types. |
3622 | // The "sugar" types are typedef or similar types that have the same |
3623 | // canonical type. |
3624 | if (std::optional<bool> Res = Visit(T: T.getTypePtr())) |
3625 | return *Res; |
3626 | QualType DsT = |
3627 | T.getSingleStepDesugaredType(Context: ParentDC->getParentASTContext()); |
3628 | while (DsT != T) { |
3629 | if (std::optional<bool> Res = Visit(T: DsT.getTypePtr())) |
3630 | return *Res; |
3631 | T = DsT; |
3632 | DsT = T.getSingleStepDesugaredType(Context: ParentDC->getParentASTContext()); |
3633 | } |
3634 | return false; |
3635 | } |
3636 | |
3637 | std::optional<bool> VisitTagType(const TagType *T) { |
3638 | if (auto *Spec = dyn_cast<ClassTemplateSpecializationDecl>(Val: T->getDecl())) |
3639 | for (const auto &Arg : Spec->getTemplateArgs().asArray()) |
3640 | if (checkTemplateArgument(Arg)) |
3641 | return true; |
3642 | return isAncestorDeclContextOf(ParentDC, T->getDecl()); |
3643 | } |
3644 | |
3645 | std::optional<bool> VisitPointerType(const PointerType *T) { |
3646 | return CheckType(T: T->getPointeeType()); |
3647 | } |
3648 | |
3649 | std::optional<bool> VisitReferenceType(const ReferenceType *T) { |
3650 | return CheckType(T: T->getPointeeTypeAsWritten()); |
3651 | } |
3652 | |
3653 | std::optional<bool> VisitTypedefType(const TypedefType *T) { |
3654 | const TypedefNameDecl *TD = T->getDecl(); |
3655 | assert(TD); |
3656 | return isAncestorDeclContextOf(ParentDC, TD); |
3657 | } |
3658 | |
3659 | std::optional<bool> VisitUsingType(const UsingType *T) { |
3660 | if (T->getFoundDecl() && |
3661 | isAncestorDeclContextOf(ParentDC, T->getFoundDecl())) |
3662 | return true; |
3663 | |
3664 | return {}; |
3665 | } |
3666 | |
3667 | std::optional<bool> |
3668 | VisitTemplateSpecializationType(const TemplateSpecializationType *T) { |
3669 | for (const auto &Arg : T->template_arguments()) |
3670 | if (checkTemplateArgument(Arg)) |
3671 | return true; |
3672 | // This type is a "sugar" to a record type, it can have a desugared type. |
3673 | return {}; |
3674 | } |
3675 | |
3676 | std::optional<bool> VisitUnaryTransformType(const UnaryTransformType *T) { |
3677 | return CheckType(T: T->getBaseType()); |
3678 | } |
3679 | |
3680 | std::optional<bool> |
3681 | VisitSubstTemplateTypeParmType(const SubstTemplateTypeParmType *T) { |
3682 | // The "associated declaration" can be the same as ParentDC. |
3683 | if (isAncestorDeclContextOf(DC: ParentDC, D: T->getAssociatedDecl())) |
3684 | return true; |
3685 | return {}; |
3686 | } |
3687 | |
3688 | std::optional<bool> VisitConstantArrayType(const ConstantArrayType *T) { |
3689 | if (T->getSizeExpr() && isAncestorDeclContextOf(ParentDC, T->getSizeExpr())) |
3690 | return true; |
3691 | |
3692 | return CheckType(T: T->getElementType()); |
3693 | } |
3694 | |
3695 | std::optional<bool> VisitVariableArrayType(const VariableArrayType *T) { |
3696 | llvm_unreachable( |
3697 | "Variable array should not occur in deduced return type of a function"); |
3698 | } |
3699 | |
3700 | std::optional<bool> VisitIncompleteArrayType(const IncompleteArrayType *T) { |
3701 | llvm_unreachable("Incomplete array should not occur in deduced return type " |
3702 | "of a function"); |
3703 | } |
3704 | |
3705 | std::optional<bool> VisitDependentArrayType(const IncompleteArrayType *T) { |
3706 | llvm_unreachable("Dependent array should not occur in deduced return type " |
3707 | "of a function"); |
3708 | } |
3709 | |
3710 | private: |
3711 | const DeclContext *const ParentDC; |
3712 | |
3713 | bool checkTemplateArgument(const TemplateArgument &Arg) { |
3714 | switch (Arg.getKind()) { |
3715 | case TemplateArgument::Null: |
3716 | return false; |
3717 | case TemplateArgument::Integral: |
3718 | return CheckType(T: Arg.getIntegralType()); |
3719 | case TemplateArgument::Type: |
3720 | return CheckType(T: Arg.getAsType()); |
3721 | case TemplateArgument::Expression: |
3722 | return isAncestorDeclContextOf(ParentDC, Arg.getAsExpr()); |
3723 | case TemplateArgument::Declaration: |
3724 | // FIXME: The declaration in this case is not allowed to be in a function? |
3725 | return isAncestorDeclContextOf(ParentDC, Arg.getAsDecl()); |
3726 | case TemplateArgument::NullPtr: |
3727 | // FIXME: The type is not allowed to be in the function? |
3728 | return CheckType(T: Arg.getNullPtrType()); |
3729 | case TemplateArgument::StructuralValue: |
3730 | return CheckType(T: Arg.getStructuralValueType()); |
3731 | case TemplateArgument::Pack: |
3732 | for (const auto &PackArg : Arg.getPackAsArray()) |
3733 | if (checkTemplateArgument(Arg: PackArg)) |
3734 | return true; |
3735 | return false; |
3736 | case TemplateArgument::Template: |
3737 | // Templates can not be defined locally in functions. |
3738 | // A template passed as argument can be not in ParentDC. |
3739 | return false; |
3740 | case TemplateArgument::TemplateExpansion: |
3741 | // Templates can not be defined locally in functions. |
3742 | // A template passed as argument can be not in ParentDC. |
3743 | return false; |
3744 | } |
3745 | llvm_unreachable("Unknown TemplateArgument::ArgKind enum"); |
3746 | }; |
3747 | }; |
3748 | } // namespace |
3749 | |
3750 | /// This function checks if the given function has a return type that contains |
3751 | /// a reference (in any way) to a declaration inside the same function. |
3752 | bool ASTNodeImporter::hasReturnTypeDeclaredInside(FunctionDecl *D) { |
3753 | QualType FromTy = D->getType(); |
3754 | const auto *FromFPT = FromTy->getAs<FunctionProtoType>(); |
3755 | assert(FromFPT && "Must be called on FunctionProtoType"); |
3756 | |
3757 | auto IsCXX11Lambda = [&]() { |
3758 | if (Importer.FromContext.getLangOpts().CPlusPlus14) // C++14 or later |
3759 | return false; |
3760 | |
3761 | return isLambdaMethod(D); |
3762 | }; |
3763 | |
3764 | QualType RetT = FromFPT->getReturnType(); |
3765 | if (isa<AutoType>(Val: RetT.getTypePtr()) || IsCXX11Lambda()) { |
3766 | FunctionDecl *Def = D->getDefinition(); |
3767 | IsTypeDeclaredInsideVisitor Visitor(Def ? Def : D); |
3768 | return Visitor.CheckType(T: RetT); |
3769 | } |
3770 | |
3771 | return false; |
3772 | } |
3773 | |
3774 | ExplicitSpecifier |
3775 | ASTNodeImporter::importExplicitSpecifier(Error &Err, ExplicitSpecifier ESpec) { |
3776 | Expr *ExplicitExpr = ESpec.getExpr(); |
3777 | if (ExplicitExpr) |
3778 | ExplicitExpr = importChecked(Err, From: ESpec.getExpr()); |
3779 | return ExplicitSpecifier(ExplicitExpr, ESpec.getKind()); |
3780 | } |
3781 | |
3782 | ExpectedDecl ASTNodeImporter::VisitFunctionDecl(FunctionDecl *D) { |
3783 | |
3784 | SmallVector<Decl *, 2> Redecls = getCanonicalForwardRedeclChain(D); |
3785 | auto RedeclIt = Redecls.begin(); |
3786 | // Import the first part of the decl chain. I.e. import all previous |
3787 | // declarations starting from the canonical decl. |
3788 | for (; RedeclIt != Redecls.end() && *RedeclIt != D; ++RedeclIt) { |
3789 | ExpectedDecl ToRedeclOrErr = import(*RedeclIt); |
3790 | if (!ToRedeclOrErr) |
3791 | return ToRedeclOrErr.takeError(); |
3792 | } |
3793 | assert(*RedeclIt == D); |
3794 | |
3795 | // Import the major distinguishing characteristics of this function. |
3796 | DeclContext *DC, *LexicalDC; |
3797 | DeclarationName Name; |
3798 | SourceLocation Loc; |
3799 | NamedDecl *ToD; |
3800 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
3801 | return std::move(Err); |
3802 | if (ToD) |
3803 | return ToD; |
3804 | |
3805 | FunctionDecl *FoundByLookup = nullptr; |
3806 | FunctionTemplateDecl *FromFT = D->getDescribedFunctionTemplate(); |
3807 | |
3808 | // If this is a function template specialization, then try to find the same |
3809 | // existing specialization in the "to" context. The lookup below will not |
3810 | // find any specialization, but would find the primary template; thus, we |
3811 | // have to skip normal lookup in case of specializations. |
3812 | // FIXME handle member function templates (TK_MemberSpecialization) similarly? |
3813 | if (D->getTemplatedKind() == |
3814 | FunctionDecl::TK_FunctionTemplateSpecialization) { |
3815 | auto FoundFunctionOrErr = FindFunctionTemplateSpecialization(FromFD: D); |
3816 | if (!FoundFunctionOrErr) |
3817 | return FoundFunctionOrErr.takeError(); |
3818 | if (FunctionDecl *FoundFunction = *FoundFunctionOrErr) { |
3819 | if (Decl *Def = FindAndMapDefinition(D, FoundFunction)) |
3820 | return Def; |
3821 | FoundByLookup = FoundFunction; |
3822 | } |
3823 | } |
3824 | // Try to find a function in our own ("to") context with the same name, same |
3825 | // type, and in the same context as the function we're importing. |
3826 | else if (!LexicalDC->isFunctionOrMethod()) { |
3827 | SmallVector<NamedDecl *, 4> ConflictingDecls; |
3828 | unsigned IDNS = Decl::IDNS_Ordinary | Decl::IDNS_OrdinaryFriend; |
3829 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
3830 | for (auto *FoundDecl : FoundDecls) { |
3831 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) |
3832 | continue; |
3833 | |
3834 | if (auto *FoundFunction = dyn_cast<FunctionDecl>(Val: FoundDecl)) { |
3835 | if (!hasSameVisibilityContextAndLinkage(Found: FoundFunction, From: D)) |
3836 | continue; |
3837 | |
3838 | if (IsStructuralMatch(D, FoundFunction)) { |
3839 | if (Decl *Def = FindAndMapDefinition(D, FoundFunction)) |
3840 | return Def; |
3841 | FoundByLookup = FoundFunction; |
3842 | break; |
3843 | } |
3844 | // FIXME: Check for overloading more carefully, e.g., by boosting |
3845 | // Sema::IsOverload out to the AST library. |
3846 | |
3847 | // Function overloading is okay in C++. |
3848 | if (Importer.getToContext().getLangOpts().CPlusPlus) |
3849 | continue; |
3850 | |
3851 | // Complain about inconsistent function types. |
3852 | Importer.ToDiag(Loc, diag::warn_odr_function_type_inconsistent) |
3853 | << Name << D->getType() << FoundFunction->getType(); |
3854 | Importer.ToDiag(FoundFunction->getLocation(), diag::note_odr_value_here) |
3855 | << FoundFunction->getType(); |
3856 | ConflictingDecls.push_back(Elt: FoundDecl); |
3857 | } |
3858 | } |
3859 | |
3860 | if (!ConflictingDecls.empty()) { |
3861 | ExpectedName NameOrErr = Importer.HandleNameConflict( |
3862 | Name, DC, IDNS, Decls: ConflictingDecls.data(), NumDecls: ConflictingDecls.size()); |
3863 | if (NameOrErr) |
3864 | Name = NameOrErr.get(); |
3865 | else |
3866 | return NameOrErr.takeError(); |
3867 | } |
3868 | } |
3869 | |
3870 | // We do not allow more than one in-class declaration of a function. This is |
3871 | // because AST clients like VTableBuilder asserts on this. VTableBuilder |
3872 | // assumes there is only one in-class declaration. Building a redecl |
3873 | // chain would result in more than one in-class declaration for |
3874 | // overrides (even if they are part of the same redecl chain inside the |
3875 | // derived class.) |
3876 | if (FoundByLookup) { |
3877 | if (isa<CXXMethodDecl>(Val: FoundByLookup)) { |
3878 | if (D->getLexicalDeclContext() == D->getDeclContext()) { |
3879 | if (!D->doesThisDeclarationHaveABody()) { |
3880 | if (FunctionTemplateDecl *DescribedD = |
3881 | D->getDescribedFunctionTemplate()) { |
3882 | // Handle a "templated" function together with its described |
3883 | // template. This avoids need for a similar check at import of the |
3884 | // described template. |
3885 | assert(FoundByLookup->getDescribedFunctionTemplate() && |
3886 | "Templated function mapped to non-templated?"); |
3887 | Importer.MapImported(DescribedD, |
3888 | FoundByLookup->getDescribedFunctionTemplate()); |
3889 | } |
3890 | return Importer.MapImported(D, FoundByLookup); |
3891 | } else { |
3892 | // Let's continue and build up the redecl chain in this case. |
3893 | // FIXME Merge the functions into one decl. |
3894 | } |
3895 | } |
3896 | } |
3897 | } |
3898 | |
3899 | DeclarationNameInfo NameInfo(Name, Loc); |
3900 | // Import additional name location/type info. |
3901 | if (Error Err = ImportDeclarationNameLoc(From: D->getNameInfo(), To&: NameInfo)) |
3902 | return std::move(Err); |
3903 | |
3904 | QualType FromTy = D->getType(); |
3905 | TypeSourceInfo *FromTSI = D->getTypeSourceInfo(); |
3906 | // Set to true if we do not import the type of the function as is. There are |
3907 | // cases when the original type would result in an infinite recursion during |
3908 | // the import. To avoid an infinite recursion when importing, we create the |
3909 | // FunctionDecl with a simplified function type and update it only after the |
3910 | // relevant AST nodes are already imported. |
3911 | // The type is related to TypeSourceInfo (it references the type), so we must |
3912 | // do the same with TypeSourceInfo. |
3913 | bool UsedDifferentProtoType = false; |
3914 | if (const auto *FromFPT = FromTy->getAs<FunctionProtoType>()) { |
3915 | QualType FromReturnTy = FromFPT->getReturnType(); |
3916 | // Functions with auto return type may define a struct inside their body |
3917 | // and the return type could refer to that struct. |
3918 | // E.g.: auto foo() { struct X{}; return X(); } |
3919 | // To avoid an infinite recursion when importing, create the FunctionDecl |
3920 | // with a simplified return type. |
3921 | if (hasReturnTypeDeclaredInside(D)) { |
3922 | FromReturnTy = Importer.getFromContext().VoidTy; |
3923 | UsedDifferentProtoType = true; |
3924 | } |
3925 | FunctionProtoType::ExtProtoInfo FromEPI = FromFPT->getExtProtoInfo(); |
3926 | // FunctionProtoType::ExtProtoInfo's ExceptionSpecDecl can point to the |
3927 | // FunctionDecl that we are importing the FunctionProtoType for. |
3928 | // To avoid an infinite recursion when importing, create the FunctionDecl |
3929 | // with a simplified function type. |
3930 | if (FromEPI.ExceptionSpec.SourceDecl || |
3931 | FromEPI.ExceptionSpec.SourceTemplate || |
3932 | FromEPI.ExceptionSpec.NoexceptExpr) { |
3933 | FunctionProtoType::ExtProtoInfo DefaultEPI; |
3934 | FromEPI = DefaultEPI; |
3935 | UsedDifferentProtoType = true; |
3936 | } |
3937 | FromTy = Importer.getFromContext().getFunctionType( |
3938 | ResultTy: FromReturnTy, Args: FromFPT->getParamTypes(), EPI: FromEPI); |
3939 | FromTSI = Importer.getFromContext().getTrivialTypeSourceInfo( |
3940 | T: FromTy, Loc: D->getBeginLoc()); |
3941 | } |
3942 | |
3943 | Error Err = Error::success(); |
3944 | auto T = importChecked(Err, From: FromTy); |
3945 | auto TInfo = importChecked(Err, From: FromTSI); |
3946 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); |
3947 | auto ToEndLoc = importChecked(Err, D->getEndLoc()); |
3948 | auto ToDefaultLoc = importChecked(Err, From: D->getDefaultLoc()); |
3949 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); |
3950 | AssociatedConstraint TrailingRequiresClause = D->getTrailingRequiresClause(); |
3951 | TrailingRequiresClause.ConstraintExpr = |
3952 | importChecked(Err, From: TrailingRequiresClause.ConstraintExpr); |
3953 | if (Err) |
3954 | return std::move(Err); |
3955 | |
3956 | // Import the function parameters. |
3957 | SmallVector<ParmVarDecl *, 8> Parameters; |
3958 | for (auto *P : D->parameters()) { |
3959 | if (Expected<ParmVarDecl *> ToPOrErr = import(From: P)) |
3960 | Parameters.push_back(Elt: *ToPOrErr); |
3961 | else |
3962 | return ToPOrErr.takeError(); |
3963 | } |
3964 | |
3965 | // Create the imported function. |
3966 | FunctionDecl *ToFunction = nullptr; |
3967 | if (auto *FromConstructor = dyn_cast<CXXConstructorDecl>(Val: D)) { |
3968 | ExplicitSpecifier ESpec = |
3969 | importExplicitSpecifier(Err, ESpec: FromConstructor->getExplicitSpecifier()); |
3970 | if (Err) |
3971 | return std::move(Err); |
3972 | auto ToInheritedConstructor = InheritedConstructor(); |
3973 | if (FromConstructor->isInheritingConstructor()) { |
3974 | Expected<InheritedConstructor> ImportedInheritedCtor = |
3975 | import(From: FromConstructor->getInheritedConstructor()); |
3976 | if (!ImportedInheritedCtor) |
3977 | return ImportedInheritedCtor.takeError(); |
3978 | ToInheritedConstructor = *ImportedInheritedCtor; |
3979 | } |
3980 | if (GetImportedOrCreateDecl<CXXConstructorDecl>( |
3981 | ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(Val: DC), |
3982 | ToInnerLocStart, NameInfo, T, TInfo, ESpec, D->UsesFPIntrin(), |
3983 | D->isInlineSpecified(), D->isImplicit(), D->getConstexprKind(), |
3984 | ToInheritedConstructor, TrailingRequiresClause)) |
3985 | return ToFunction; |
3986 | } else if (CXXDestructorDecl *FromDtor = dyn_cast<CXXDestructorDecl>(Val: D)) { |
3987 | |
3988 | Error Err = Error::success(); |
3989 | auto ToOperatorDelete = importChecked( |
3990 | Err, From: const_cast<FunctionDecl *>(FromDtor->getOperatorDelete())); |
3991 | auto ToThisArg = importChecked(Err, From: FromDtor->getOperatorDeleteThisArg()); |
3992 | if (Err) |
3993 | return std::move(Err); |
3994 | |
3995 | if (GetImportedOrCreateDecl<CXXDestructorDecl>( |
3996 | ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(Val: DC), |
3997 | ToInnerLocStart, NameInfo, T, TInfo, D->UsesFPIntrin(), |
3998 | D->isInlineSpecified(), D->isImplicit(), D->getConstexprKind(), |
3999 | TrailingRequiresClause)) |
4000 | return ToFunction; |
4001 | |
4002 | CXXDestructorDecl *ToDtor = cast<CXXDestructorDecl>(Val: ToFunction); |
4003 | |
4004 | ToDtor->setOperatorDelete(OD: ToOperatorDelete, ThisArg: ToThisArg); |
4005 | } else if (CXXConversionDecl *FromConversion = |
4006 | dyn_cast<CXXConversionDecl>(Val: D)) { |
4007 | ExplicitSpecifier ESpec = |
4008 | importExplicitSpecifier(Err, ESpec: FromConversion->getExplicitSpecifier()); |
4009 | if (Err) |
4010 | return std::move(Err); |
4011 | if (GetImportedOrCreateDecl<CXXConversionDecl>( |
4012 | ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(Val: DC), |
4013 | ToInnerLocStart, NameInfo, T, TInfo, D->UsesFPIntrin(), |
4014 | D->isInlineSpecified(), ESpec, D->getConstexprKind(), |
4015 | SourceLocation(), TrailingRequiresClause)) |
4016 | return ToFunction; |
4017 | } else if (auto *Method = dyn_cast<CXXMethodDecl>(Val: D)) { |
4018 | if (GetImportedOrCreateDecl<CXXMethodDecl>( |
4019 | ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(Val: DC), |
4020 | ToInnerLocStart, NameInfo, T, TInfo, Method->getStorageClass(), |
4021 | Method->UsesFPIntrin(), Method->isInlineSpecified(), |
4022 | D->getConstexprKind(), SourceLocation(), TrailingRequiresClause)) |
4023 | return ToFunction; |
4024 | } else if (auto *Guide = dyn_cast<CXXDeductionGuideDecl>(Val: D)) { |
4025 | ExplicitSpecifier ESpec = |
4026 | importExplicitSpecifier(Err, ESpec: Guide->getExplicitSpecifier()); |
4027 | CXXConstructorDecl *Ctor = |
4028 | importChecked(Err, From: Guide->getCorrespondingConstructor()); |
4029 | const CXXDeductionGuideDecl *SourceDG = |
4030 | importChecked(Err, From: Guide->getSourceDeductionGuide()); |
4031 | if (Err) |
4032 | return std::move(Err); |
4033 | if (GetImportedOrCreateDecl<CXXDeductionGuideDecl>( |
4034 | ToFunction, D, Importer.getToContext(), DC, ToInnerLocStart, ESpec, |
4035 | NameInfo, T, TInfo, ToEndLoc, Ctor, |
4036 | Guide->getDeductionCandidateKind(), TrailingRequiresClause, |
4037 | SourceDG, Guide->getSourceDeductionGuideKind())) |
4038 | return ToFunction; |
4039 | } else { |
4040 | if (GetImportedOrCreateDecl( |
4041 | ToFunction, D, Importer.getToContext(), DC, ToInnerLocStart, |
4042 | NameInfo, T, TInfo, D->getStorageClass(), D->UsesFPIntrin(), |
4043 | D->isInlineSpecified(), D->hasWrittenPrototype(), |
4044 | D->getConstexprKind(), TrailingRequiresClause)) |
4045 | return ToFunction; |
4046 | } |
4047 | |
4048 | // Connect the redecl chain. |
4049 | if (FoundByLookup) { |
4050 | auto *Recent = const_cast<FunctionDecl *>( |
4051 | FoundByLookup->getMostRecentDecl()); |
4052 | ToFunction->setPreviousDecl(Recent); |
4053 | // FIXME Probably we should merge exception specifications. E.g. In the |
4054 | // "To" context the existing function may have exception specification with |
4055 | // noexcept-unevaluated, while the newly imported function may have an |
4056 | // evaluated noexcept. A call to adjustExceptionSpec() on the imported |
4057 | // decl and its redeclarations may be required. |
4058 | } |
4059 | |
4060 | StringLiteral *Msg = D->getDeletedMessage(); |
4061 | if (Msg) { |
4062 | auto Imported = import(From: Msg); |
4063 | if (!Imported) |
4064 | return Imported.takeError(); |
4065 | Msg = *Imported; |
4066 | } |
4067 | |
4068 | ToFunction->setQualifierInfo(ToQualifierLoc); |
4069 | ToFunction->setAccess(D->getAccess()); |
4070 | ToFunction->setLexicalDeclContext(LexicalDC); |
4071 | ToFunction->setVirtualAsWritten(D->isVirtualAsWritten()); |
4072 | ToFunction->setTrivial(D->isTrivial()); |
4073 | ToFunction->setIsPureVirtual(D->isPureVirtual()); |
4074 | ToFunction->setDefaulted(D->isDefaulted()); |
4075 | ToFunction->setExplicitlyDefaulted(D->isExplicitlyDefaulted()); |
4076 | ToFunction->setDeletedAsWritten(D: D->isDeletedAsWritten()); |
4077 | ToFunction->setFriendConstraintRefersToEnclosingTemplate( |
4078 | D->FriendConstraintRefersToEnclosingTemplate()); |
4079 | ToFunction->setIsDestroyingOperatorDelete(D->isDestroyingOperatorDelete()); |
4080 | ToFunction->setIsTypeAwareOperatorNewOrDelete( |
4081 | D->isTypeAwareOperatorNewOrDelete()); |
4082 | ToFunction->setRangeEnd(ToEndLoc); |
4083 | ToFunction->setDefaultLoc(ToDefaultLoc); |
4084 | |
4085 | if (Msg) |
4086 | ToFunction->setDefaultedOrDeletedInfo( |
4087 | FunctionDecl::DefaultedOrDeletedFunctionInfo::Create( |
4088 | Context&: Importer.getToContext(), Lookups: {}, DeletedMessage: Msg)); |
4089 | |
4090 | // Set the parameters. |
4091 | for (auto *Param : Parameters) { |
4092 | Param->setOwningFunction(ToFunction); |
4093 | ToFunction->addDeclInternal(Param); |
4094 | if (ASTImporterLookupTable *LT = Importer.SharedState->getLookupTable()) |
4095 | LT->update(Param, Importer.getToContext().getTranslationUnitDecl()); |
4096 | } |
4097 | ToFunction->setParams(Parameters); |
4098 | |
4099 | // We need to complete creation of FunctionProtoTypeLoc manually with setting |
4100 | // params it refers to. |
4101 | if (TInfo) { |
4102 | if (auto ProtoLoc = |
4103 | TInfo->getTypeLoc().IgnoreParens().getAs<FunctionProtoTypeLoc>()) { |
4104 | for (unsigned I = 0, N = Parameters.size(); I != N; ++I) |
4105 | ProtoLoc.setParam(I, Parameters[I]); |
4106 | } |
4107 | } |
4108 | |
4109 | // Import the describing template function, if any. |
4110 | if (FromFT) { |
4111 | auto ToFTOrErr = import(From: FromFT); |
4112 | if (!ToFTOrErr) |
4113 | return ToFTOrErr.takeError(); |
4114 | } |
4115 | |
4116 | // Import Ctor initializers. |
4117 | if (auto *FromConstructor = dyn_cast<CXXConstructorDecl>(Val: D)) { |
4118 | if (unsigned NumInitializers = FromConstructor->getNumCtorInitializers()) { |
4119 | SmallVector<CXXCtorInitializer *, 4> CtorInitializers(NumInitializers); |
4120 | // Import first, then allocate memory and copy if there was no error. |
4121 | if (Error Err = ImportContainerChecked( |
4122 | InContainer: FromConstructor->inits(), OutContainer&: CtorInitializers)) |
4123 | return std::move(Err); |
4124 | auto **Memory = |
4125 | new (Importer.getToContext()) CXXCtorInitializer *[NumInitializers]; |
4126 | std::copy(first: CtorInitializers.begin(), last: CtorInitializers.end(), result: Memory); |
4127 | auto *ToCtor = cast<CXXConstructorDecl>(Val: ToFunction); |
4128 | ToCtor->setCtorInitializers(Memory); |
4129 | ToCtor->setNumCtorInitializers(NumInitializers); |
4130 | } |
4131 | } |
4132 | |
4133 | // If it is a template, import all related things. |
4134 | if (Error Err = ImportTemplateInformation(FromFD: D, ToFD: ToFunction)) |
4135 | return std::move(Err); |
4136 | |
4137 | if (auto *FromCXXMethod = dyn_cast<CXXMethodDecl>(Val: D)) |
4138 | if (Error Err = ImportOverriddenMethods(ToMethod: cast<CXXMethodDecl>(Val: ToFunction), |
4139 | FromMethod: FromCXXMethod)) |
4140 | return std::move(Err); |
4141 | |
4142 | if (D->doesThisDeclarationHaveABody()) { |
4143 | Error Err = ImportFunctionDeclBody(FromFD: D, ToFD: ToFunction); |
4144 | |
4145 | if (Err) |
4146 | return std::move(Err); |
4147 | } |
4148 | |
4149 | // Import and set the original type in case we used another type. |
4150 | if (UsedDifferentProtoType) { |
4151 | if (ExpectedType TyOrErr = import(D->getType())) |
4152 | ToFunction->setType(*TyOrErr); |
4153 | else |
4154 | return TyOrErr.takeError(); |
4155 | if (Expected<TypeSourceInfo *> TSIOrErr = import(D->getTypeSourceInfo())) |
4156 | ToFunction->setTypeSourceInfo(*TSIOrErr); |
4157 | else |
4158 | return TSIOrErr.takeError(); |
4159 | } |
4160 | |
4161 | // FIXME: Other bits to merge? |
4162 | |
4163 | addDeclToContexts(D, ToFunction); |
4164 | |
4165 | // Import the rest of the chain. I.e. import all subsequent declarations. |
4166 | for (++RedeclIt; RedeclIt != Redecls.end(); ++RedeclIt) { |
4167 | ExpectedDecl ToRedeclOrErr = import(*RedeclIt); |
4168 | if (!ToRedeclOrErr) |
4169 | return ToRedeclOrErr.takeError(); |
4170 | } |
4171 | |
4172 | return ToFunction; |
4173 | } |
4174 | |
4175 | ExpectedDecl ASTNodeImporter::VisitCXXMethodDecl(CXXMethodDecl *D) { |
4176 | return VisitFunctionDecl(D); |
4177 | } |
4178 | |
4179 | ExpectedDecl ASTNodeImporter::VisitCXXConstructorDecl(CXXConstructorDecl *D) { |
4180 | return VisitCXXMethodDecl(D); |
4181 | } |
4182 | |
4183 | ExpectedDecl ASTNodeImporter::VisitCXXDestructorDecl(CXXDestructorDecl *D) { |
4184 | return VisitCXXMethodDecl(D); |
4185 | } |
4186 | |
4187 | ExpectedDecl ASTNodeImporter::VisitCXXConversionDecl(CXXConversionDecl *D) { |
4188 | return VisitCXXMethodDecl(D); |
4189 | } |
4190 | |
4191 | ExpectedDecl |
4192 | ASTNodeImporter::VisitCXXDeductionGuideDecl(CXXDeductionGuideDecl *D) { |
4193 | return VisitFunctionDecl(D); |
4194 | } |
4195 | |
4196 | ExpectedDecl ASTNodeImporter::VisitFieldDecl(FieldDecl *D) { |
4197 | // Import the major distinguishing characteristics of a variable. |
4198 | DeclContext *DC, *LexicalDC; |
4199 | DeclarationName Name; |
4200 | SourceLocation Loc; |
4201 | NamedDecl *ToD; |
4202 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
4203 | return std::move(Err); |
4204 | if (ToD) |
4205 | return ToD; |
4206 | |
4207 | // Determine whether we've already imported this field. |
4208 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
4209 | for (auto *FoundDecl : FoundDecls) { |
4210 | if (FieldDecl *FoundField = dyn_cast<FieldDecl>(Val: FoundDecl)) { |
4211 | // For anonymous fields, match up by index. |
4212 | if (!Name && |
4213 | ASTImporter::getFieldIndex(D) != |
4214 | ASTImporter::getFieldIndex(FoundField)) |
4215 | continue; |
4216 | |
4217 | if (Importer.IsStructurallyEquivalent(From: D->getType(), |
4218 | To: FoundField->getType())) { |
4219 | Importer.MapImported(D, FoundField); |
4220 | // In case of a FieldDecl of a ClassTemplateSpecializationDecl, the |
4221 | // initializer of a FieldDecl might not had been instantiated in the |
4222 | // "To" context. However, the "From" context might instantiated that, |
4223 | // thus we have to merge that. |
4224 | // Note: `hasInClassInitializer()` is not the same as non-null |
4225 | // `getInClassInitializer()` value. |
4226 | if (Expr *FromInitializer = D->getInClassInitializer()) { |
4227 | if (ExpectedExpr ToInitializerOrErr = import(From: FromInitializer)) { |
4228 | // Import of the FromInitializer may result in the setting of |
4229 | // InClassInitializer. If not, set it here. |
4230 | assert(FoundField->hasInClassInitializer() && |
4231 | "Field should have an in-class initializer if it has an " |
4232 | "expression for it."); |
4233 | if (!FoundField->getInClassInitializer()) |
4234 | FoundField->setInClassInitializer(*ToInitializerOrErr); |
4235 | } else { |
4236 | return ToInitializerOrErr.takeError(); |
4237 | } |
4238 | } |
4239 | return FoundField; |
4240 | } |
4241 | |
4242 | // FIXME: Why is this case not handled with calling HandleNameConflict? |
4243 | Importer.ToDiag(Loc, diag::warn_odr_field_type_inconsistent) |
4244 | << Name << D->getType() << FoundField->getType(); |
4245 | Importer.ToDiag(FoundField->getLocation(), diag::note_odr_value_here) |
4246 | << FoundField->getType(); |
4247 | |
4248 | return make_error<ASTImportError>(Args: ASTImportError::NameConflict); |
4249 | } |
4250 | } |
4251 | |
4252 | Error Err = Error::success(); |
4253 | auto ToType = importChecked(Err, D->getType()); |
4254 | auto ToTInfo = importChecked(Err, D->getTypeSourceInfo()); |
4255 | auto ToBitWidth = importChecked(Err, From: D->getBitWidth()); |
4256 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); |
4257 | if (Err) |
4258 | return std::move(Err); |
4259 | const Type *ToCapturedVLAType = nullptr; |
4260 | if (Error Err = Importer.importInto( |
4261 | To&: ToCapturedVLAType, From: cast_or_null<Type>(Val: D->getCapturedVLAType()))) |
4262 | return std::move(Err); |
4263 | |
4264 | FieldDecl *ToField; |
4265 | if (GetImportedOrCreateDecl(ToField, D, Importer.getToContext(), DC, |
4266 | ToInnerLocStart, Loc, Name.getAsIdentifierInfo(), |
4267 | ToType, ToTInfo, ToBitWidth, D->isMutable(), |
4268 | D->getInClassInitStyle())) |
4269 | return ToField; |
4270 | |
4271 | ToField->setAccess(D->getAccess()); |
4272 | ToField->setLexicalDeclContext(LexicalDC); |
4273 | ToField->setImplicit(D->isImplicit()); |
4274 | if (ToCapturedVLAType) |
4275 | ToField->setCapturedVLAType(cast<VariableArrayType>(Val: ToCapturedVLAType)); |
4276 | LexicalDC->addDeclInternal(ToField); |
4277 | // Import initializer only after the field was created, it may have recursive |
4278 | // reference to the field. |
4279 | auto ToInitializer = importChecked(Err, From: D->getInClassInitializer()); |
4280 | if (Err) |
4281 | return std::move(Err); |
4282 | if (ToInitializer) { |
4283 | auto *AlreadyImported = ToField->getInClassInitializer(); |
4284 | if (AlreadyImported) |
4285 | assert(ToInitializer == AlreadyImported && |
4286 | "Duplicate import of in-class initializer."); |
4287 | else |
4288 | ToField->setInClassInitializer(ToInitializer); |
4289 | } |
4290 | |
4291 | return ToField; |
4292 | } |
4293 | |
4294 | ExpectedDecl ASTNodeImporter::VisitIndirectFieldDecl(IndirectFieldDecl *D) { |
4295 | // Import the major distinguishing characteristics of a variable. |
4296 | DeclContext *DC, *LexicalDC; |
4297 | DeclarationName Name; |
4298 | SourceLocation Loc; |
4299 | NamedDecl *ToD; |
4300 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
4301 | return std::move(Err); |
4302 | if (ToD) |
4303 | return ToD; |
4304 | |
4305 | // Determine whether we've already imported this field. |
4306 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
4307 | for (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { |
4308 | if (auto *FoundField = dyn_cast<IndirectFieldDecl>(Val: FoundDecls[I])) { |
4309 | // For anonymous indirect fields, match up by index. |
4310 | if (!Name && |
4311 | ASTImporter::getFieldIndex(D) != |
4312 | ASTImporter::getFieldIndex(FoundField)) |
4313 | continue; |
4314 | |
4315 | if (Importer.IsStructurallyEquivalent(From: D->getType(), |
4316 | To: FoundField->getType(), |
4317 | Complain: !Name.isEmpty())) { |
4318 | Importer.MapImported(D, FoundField); |
4319 | return FoundField; |
4320 | } |
4321 | |
4322 | // If there are more anonymous fields to check, continue. |
4323 | if (!Name && I < N-1) |
4324 | continue; |
4325 | |
4326 | // FIXME: Why is this case not handled with calling HandleNameConflict? |
4327 | Importer.ToDiag(Loc, diag::warn_odr_field_type_inconsistent) |
4328 | << Name << D->getType() << FoundField->getType(); |
4329 | Importer.ToDiag(FoundField->getLocation(), diag::note_odr_value_here) |
4330 | << FoundField->getType(); |
4331 | |
4332 | return make_error<ASTImportError>(Args: ASTImportError::NameConflict); |
4333 | } |
4334 | } |
4335 | |
4336 | // Import the type. |
4337 | auto TypeOrErr = import(D->getType()); |
4338 | if (!TypeOrErr) |
4339 | return TypeOrErr.takeError(); |
4340 | |
4341 | auto **NamedChain = |
4342 | new (Importer.getToContext()) NamedDecl*[D->getChainingSize()]; |
4343 | |
4344 | unsigned i = 0; |
4345 | for (auto *PI : D->chain()) |
4346 | if (Expected<NamedDecl *> ToD = import(From: PI)) |
4347 | NamedChain[i++] = *ToD; |
4348 | else |
4349 | return ToD.takeError(); |
4350 | |
4351 | llvm::MutableArrayRef<NamedDecl *> CH = {NamedChain, D->getChainingSize()}; |
4352 | IndirectFieldDecl *ToIndirectField; |
4353 | if (GetImportedOrCreateDecl(ToIndirectField, D, Importer.getToContext(), DC, |
4354 | Loc, Name.getAsIdentifierInfo(), *TypeOrErr, CH)) |
4355 | // FIXME here we leak `NamedChain` which is allocated before |
4356 | return ToIndirectField; |
4357 | |
4358 | ToIndirectField->setAccess(D->getAccess()); |
4359 | ToIndirectField->setLexicalDeclContext(LexicalDC); |
4360 | LexicalDC->addDeclInternal(ToIndirectField); |
4361 | return ToIndirectField; |
4362 | } |
4363 | |
4364 | /// Used as return type of getFriendCountAndPosition. |
4365 | struct FriendCountAndPosition { |
4366 | /// Number of similar looking friends. |
4367 | unsigned int TotalCount; |
4368 | /// Index of the specific FriendDecl. |
4369 | unsigned int IndexOfDecl; |
4370 | }; |
4371 | |
4372 | static bool IsEquivalentFriend(ASTImporter &Importer, FriendDecl *FD1, |
4373 | FriendDecl *FD2) { |
4374 | if ((!FD1->getFriendType()) != (!FD2->getFriendType())) |
4375 | return false; |
4376 | |
4377 | if (const TypeSourceInfo *TSI = FD1->getFriendType()) |
4378 | return Importer.IsStructurallyEquivalent( |
4379 | From: TSI->getType(), To: FD2->getFriendType()->getType(), /*Complain=*/false); |
4380 | |
4381 | ASTImporter::NonEquivalentDeclSet NonEquivalentDecls; |
4382 | StructuralEquivalenceContext Ctx( |
4383 | Importer.getToContext().getLangOpts(), FD1->getASTContext(), |
4384 | FD2->getASTContext(), NonEquivalentDecls, |
4385 | StructuralEquivalenceKind::Default, |
4386 | /* StrictTypeSpelling = */ false, /* Complain = */ false); |
4387 | return Ctx.IsEquivalent(FD1, FD2); |
4388 | } |
4389 | |
4390 | static FriendCountAndPosition getFriendCountAndPosition(ASTImporter &Importer, |
4391 | FriendDecl *FD) { |
4392 | unsigned int FriendCount = 0; |
4393 | UnsignedOrNone FriendPosition = std::nullopt; |
4394 | const auto *RD = cast<CXXRecordDecl>(FD->getLexicalDeclContext()); |
4395 | |
4396 | for (FriendDecl *FoundFriend : RD->friends()) { |
4397 | if (FoundFriend == FD) { |
4398 | FriendPosition = FriendCount; |
4399 | ++FriendCount; |
4400 | } else if (IsEquivalentFriend(Importer, FD, FoundFriend)) { |
4401 | ++FriendCount; |
4402 | } |
4403 | } |
4404 | |
4405 | assert(FriendPosition && "Friend decl not found in own parent."); |
4406 | |
4407 | return {.TotalCount: FriendCount, .IndexOfDecl: *FriendPosition}; |
4408 | } |
4409 | |
4410 | ExpectedDecl ASTNodeImporter::VisitFriendDecl(FriendDecl *D) { |
4411 | // Import the major distinguishing characteristics of a declaration. |
4412 | DeclContext *DC, *LexicalDC; |
4413 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) |
4414 | return std::move(Err); |
4415 | |
4416 | // Determine whether we've already imported this decl. |
4417 | // FriendDecl is not a NamedDecl so we cannot use lookup. |
4418 | // We try to maintain order and count of redundant friend declarations. |
4419 | const auto *RD = cast<CXXRecordDecl>(Val: DC); |
4420 | SmallVector<FriendDecl *, 2> ImportedEquivalentFriends; |
4421 | for (FriendDecl *ImportedFriend : RD->friends()) |
4422 | if (IsEquivalentFriend(Importer, FD1: D, FD2: ImportedFriend)) |
4423 | ImportedEquivalentFriends.push_back(Elt: ImportedFriend); |
4424 | |
4425 | FriendCountAndPosition CountAndPosition = |
4426 | getFriendCountAndPosition(Importer, FD: D); |
4427 | |
4428 | assert(ImportedEquivalentFriends.size() <= CountAndPosition.TotalCount && |
4429 | "Class with non-matching friends is imported, ODR check wrong?"); |
4430 | if (ImportedEquivalentFriends.size() == CountAndPosition.TotalCount) |
4431 | return Importer.MapImported( |
4432 | D, ImportedEquivalentFriends[CountAndPosition.IndexOfDecl]); |
4433 | |
4434 | // Not found. Create it. |
4435 | // The declarations will be put into order later by ImportDeclContext. |
4436 | FriendDecl::FriendUnion ToFU; |
4437 | if (NamedDecl *FriendD = D->getFriendDecl()) { |
4438 | NamedDecl *ToFriendD; |
4439 | if (Error Err = importInto(To&: ToFriendD, From: FriendD)) |
4440 | return std::move(Err); |
4441 | |
4442 | if (FriendD->getFriendObjectKind() != Decl::FOK_None && |
4443 | !(FriendD->isInIdentifierNamespace(Decl::IDNS_NonMemberOperator))) |
4444 | ToFriendD->setObjectOfFriendDecl(false); |
4445 | |
4446 | ToFU = ToFriendD; |
4447 | } else { // The friend is a type, not a decl. |
4448 | if (auto TSIOrErr = import(From: D->getFriendType())) |
4449 | ToFU = *TSIOrErr; |
4450 | else |
4451 | return TSIOrErr.takeError(); |
4452 | } |
4453 | |
4454 | SmallVector<TemplateParameterList *, 1> ToTPLists(D->NumTPLists); |
4455 | auto **FromTPLists = D->getTrailingObjects<TemplateParameterList *>(); |
4456 | for (unsigned I = 0; I < D->NumTPLists; I++) { |
4457 | if (auto ListOrErr = import(FromTPLists[I])) |
4458 | ToTPLists[I] = *ListOrErr; |
4459 | else |
4460 | return ListOrErr.takeError(); |
4461 | } |
4462 | |
4463 | auto LocationOrErr = import(D->getLocation()); |
4464 | if (!LocationOrErr) |
4465 | return LocationOrErr.takeError(); |
4466 | auto FriendLocOrErr = import(From: D->getFriendLoc()); |
4467 | if (!FriendLocOrErr) |
4468 | return FriendLocOrErr.takeError(); |
4469 | auto EllipsisLocOrErr = import(From: D->getEllipsisLoc()); |
4470 | if (!EllipsisLocOrErr) |
4471 | return EllipsisLocOrErr.takeError(); |
4472 | |
4473 | FriendDecl *FrD; |
4474 | if (GetImportedOrCreateDecl(FrD, D, Importer.getToContext(), DC, |
4475 | *LocationOrErr, ToFU, *FriendLocOrErr, |
4476 | *EllipsisLocOrErr, ToTPLists)) |
4477 | return FrD; |
4478 | |
4479 | FrD->setAccess(D->getAccess()); |
4480 | FrD->setLexicalDeclContext(LexicalDC); |
4481 | LexicalDC->addDeclInternal(FrD); |
4482 | return FrD; |
4483 | } |
4484 | |
4485 | ExpectedDecl ASTNodeImporter::VisitObjCIvarDecl(ObjCIvarDecl *D) { |
4486 | // Import the major distinguishing characteristics of an ivar. |
4487 | DeclContext *DC, *LexicalDC; |
4488 | DeclarationName Name; |
4489 | SourceLocation Loc; |
4490 | NamedDecl *ToD; |
4491 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
4492 | return std::move(Err); |
4493 | if (ToD) |
4494 | return ToD; |
4495 | |
4496 | // Determine whether we've already imported this ivar |
4497 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
4498 | for (auto *FoundDecl : FoundDecls) { |
4499 | if (ObjCIvarDecl *FoundIvar = dyn_cast<ObjCIvarDecl>(Val: FoundDecl)) { |
4500 | if (Importer.IsStructurallyEquivalent(From: D->getType(), |
4501 | To: FoundIvar->getType())) { |
4502 | Importer.MapImported(D, FoundIvar); |
4503 | return FoundIvar; |
4504 | } |
4505 | |
4506 | Importer.ToDiag(Loc, diag::warn_odr_ivar_type_inconsistent) |
4507 | << Name << D->getType() << FoundIvar->getType(); |
4508 | Importer.ToDiag(FoundIvar->getLocation(), diag::note_odr_value_here) |
4509 | << FoundIvar->getType(); |
4510 | |
4511 | return make_error<ASTImportError>(Args: ASTImportError::NameConflict); |
4512 | } |
4513 | } |
4514 | |
4515 | Error Err = Error::success(); |
4516 | auto ToType = importChecked(Err, D->getType()); |
4517 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); |
4518 | auto ToBitWidth = importChecked(Err, D->getBitWidth()); |
4519 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); |
4520 | if (Err) |
4521 | return std::move(Err); |
4522 | |
4523 | ObjCIvarDecl *ToIvar; |
4524 | if (GetImportedOrCreateDecl( |
4525 | ToIvar, D, Importer.getToContext(), cast<ObjCContainerDecl>(Val: DC), |
4526 | ToInnerLocStart, Loc, Name.getAsIdentifierInfo(), |
4527 | ToType, ToTypeSourceInfo, |
4528 | D->getAccessControl(),ToBitWidth, D->getSynthesize())) |
4529 | return ToIvar; |
4530 | |
4531 | ToIvar->setLexicalDeclContext(LexicalDC); |
4532 | LexicalDC->addDeclInternal(ToIvar); |
4533 | return ToIvar; |
4534 | } |
4535 | |
4536 | ExpectedDecl ASTNodeImporter::VisitVarDecl(VarDecl *D) { |
4537 | |
4538 | SmallVector<Decl*, 2> Redecls = getCanonicalForwardRedeclChain(D); |
4539 | auto RedeclIt = Redecls.begin(); |
4540 | // Import the first part of the decl chain. I.e. import all previous |
4541 | // declarations starting from the canonical decl. |
4542 | for (; RedeclIt != Redecls.end() && *RedeclIt != D; ++RedeclIt) { |
4543 | ExpectedDecl RedeclOrErr = import(*RedeclIt); |
4544 | if (!RedeclOrErr) |
4545 | return RedeclOrErr.takeError(); |
4546 | } |
4547 | assert(*RedeclIt == D); |
4548 | |
4549 | // Import the major distinguishing characteristics of a variable. |
4550 | DeclContext *DC, *LexicalDC; |
4551 | DeclarationName Name; |
4552 | SourceLocation Loc; |
4553 | NamedDecl *ToD; |
4554 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
4555 | return std::move(Err); |
4556 | if (ToD) |
4557 | return ToD; |
4558 | |
4559 | // Try to find a variable in our own ("to") context with the same name and |
4560 | // in the same context as the variable we're importing. |
4561 | VarDecl *FoundByLookup = nullptr; |
4562 | if (D->isFileVarDecl()) { |
4563 | SmallVector<NamedDecl *, 4> ConflictingDecls; |
4564 | unsigned IDNS = Decl::IDNS_Ordinary; |
4565 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
4566 | for (auto *FoundDecl : FoundDecls) { |
4567 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) |
4568 | continue; |
4569 | |
4570 | if (auto *FoundVar = dyn_cast<VarDecl>(Val: FoundDecl)) { |
4571 | if (!hasSameVisibilityContextAndLinkage(Found: FoundVar, From: D)) |
4572 | continue; |
4573 | if (Importer.IsStructurallyEquivalent(From: D->getType(), |
4574 | To: FoundVar->getType())) { |
4575 | |
4576 | // The VarDecl in the "From" context has a definition, but in the |
4577 | // "To" context we already have a definition. |
4578 | VarDecl *FoundDef = FoundVar->getDefinition(); |
4579 | if (D->isThisDeclarationADefinition() && FoundDef) |
4580 | // FIXME Check for ODR error if the two definitions have |
4581 | // different initializers? |
4582 | return Importer.MapImported(D, FoundDef); |
4583 | |
4584 | // The VarDecl in the "From" context has an initializer, but in the |
4585 | // "To" context we already have an initializer. |
4586 | const VarDecl *FoundDInit = nullptr; |
4587 | if (D->getInit() && FoundVar->getAnyInitializer(D&: FoundDInit)) |
4588 | // FIXME Diagnose ODR error if the two initializers are different? |
4589 | return Importer.MapImported(D, const_cast<VarDecl*>(FoundDInit)); |
4590 | |
4591 | FoundByLookup = FoundVar; |
4592 | break; |
4593 | } |
4594 | |
4595 | const ArrayType *FoundArray |
4596 | = Importer.getToContext().getAsArrayType(T: FoundVar->getType()); |
4597 | const ArrayType *TArray |
4598 | = Importer.getToContext().getAsArrayType(T: D->getType()); |
4599 | if (FoundArray && TArray) { |
4600 | if (isa<IncompleteArrayType>(Val: FoundArray) && |
4601 | isa<ConstantArrayType>(Val: TArray)) { |
4602 | // Import the type. |
4603 | if (auto TyOrErr = import(D->getType())) |
4604 | FoundVar->setType(*TyOrErr); |
4605 | else |
4606 | return TyOrErr.takeError(); |
4607 | |
4608 | FoundByLookup = FoundVar; |
4609 | break; |
4610 | } else if (isa<IncompleteArrayType>(Val: TArray) && |
4611 | isa<ConstantArrayType>(Val: FoundArray)) { |
4612 | FoundByLookup = FoundVar; |
4613 | break; |
4614 | } |
4615 | } |
4616 | |
4617 | Importer.ToDiag(Loc, diag::warn_odr_variable_type_inconsistent) |
4618 | << Name << D->getType() << FoundVar->getType(); |
4619 | Importer.ToDiag(FoundVar->getLocation(), diag::note_odr_value_here) |
4620 | << FoundVar->getType(); |
4621 | ConflictingDecls.push_back(Elt: FoundDecl); |
4622 | } |
4623 | } |
4624 | |
4625 | if (!ConflictingDecls.empty()) { |
4626 | ExpectedName NameOrErr = Importer.HandleNameConflict( |
4627 | Name, DC, IDNS, Decls: ConflictingDecls.data(), NumDecls: ConflictingDecls.size()); |
4628 | if (NameOrErr) |
4629 | Name = NameOrErr.get(); |
4630 | else |
4631 | return NameOrErr.takeError(); |
4632 | } |
4633 | } |
4634 | |
4635 | Error Err = Error::success(); |
4636 | auto ToType = importChecked(Err, D->getType()); |
4637 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); |
4638 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); |
4639 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); |
4640 | if (Err) |
4641 | return std::move(Err); |
4642 | |
4643 | VarDecl *ToVar; |
4644 | if (auto *FromDecomp = dyn_cast<DecompositionDecl>(Val: D)) { |
4645 | SmallVector<BindingDecl *> Bindings(FromDecomp->bindings().size()); |
4646 | if (Error Err = |
4647 | ImportArrayChecked(InContainer: FromDecomp->bindings(), Obegin: Bindings.begin())) |
4648 | return std::move(Err); |
4649 | DecompositionDecl *ToDecomp; |
4650 | if (GetImportedOrCreateDecl( |
4651 | ToDecomp, FromDecomp, Importer.getToContext(), DC, ToInnerLocStart, |
4652 | Loc, ToType, ToTypeSourceInfo, D->getStorageClass(), Bindings)) |
4653 | return ToDecomp; |
4654 | ToVar = ToDecomp; |
4655 | } else { |
4656 | // Create the imported variable. |
4657 | if (GetImportedOrCreateDecl(ToVar, D, Importer.getToContext(), DC, |
4658 | ToInnerLocStart, Loc, |
4659 | Name.getAsIdentifierInfo(), ToType, |
4660 | ToTypeSourceInfo, D->getStorageClass())) |
4661 | return ToVar; |
4662 | } |
4663 | |
4664 | ToVar->setTSCSpec(D->getTSCSpec()); |
4665 | ToVar->setQualifierInfo(ToQualifierLoc); |
4666 | ToVar->setAccess(D->getAccess()); |
4667 | ToVar->setLexicalDeclContext(LexicalDC); |
4668 | if (D->isInlineSpecified()) |
4669 | ToVar->setInlineSpecified(); |
4670 | if (D->isInline()) |
4671 | ToVar->setImplicitlyInline(); |
4672 | |
4673 | if (FoundByLookup) { |
4674 | auto *Recent = const_cast<VarDecl *>(FoundByLookup->getMostRecentDecl()); |
4675 | ToVar->setPreviousDecl(Recent); |
4676 | } |
4677 | |
4678 | // Import the described template, if any. |
4679 | if (D->getDescribedVarTemplate()) { |
4680 | auto ToVTOrErr = import(From: D->getDescribedVarTemplate()); |
4681 | if (!ToVTOrErr) |
4682 | return ToVTOrErr.takeError(); |
4683 | } else if (MemberSpecializationInfo *MSI = D->getMemberSpecializationInfo()) { |
4684 | TemplateSpecializationKind SK = MSI->getTemplateSpecializationKind(); |
4685 | VarDecl *FromInst = D->getInstantiatedFromStaticDataMember(); |
4686 | if (Expected<VarDecl *> ToInstOrErr = import(From: FromInst)) |
4687 | ToVar->setInstantiationOfStaticDataMember(VD: *ToInstOrErr, TSK: SK); |
4688 | else |
4689 | return ToInstOrErr.takeError(); |
4690 | if (ExpectedSLoc POIOrErr = import(From: MSI->getPointOfInstantiation())) |
4691 | ToVar->getMemberSpecializationInfo()->setPointOfInstantiation(*POIOrErr); |
4692 | else |
4693 | return POIOrErr.takeError(); |
4694 | } |
4695 | |
4696 | if (Error Err = ImportInitializer(From: D, To: ToVar)) |
4697 | return std::move(Err); |
4698 | |
4699 | if (D->isConstexpr()) |
4700 | ToVar->setConstexpr(true); |
4701 | |
4702 | addDeclToContexts(D, ToVar); |
4703 | |
4704 | // Import the rest of the chain. I.e. import all subsequent declarations. |
4705 | for (++RedeclIt; RedeclIt != Redecls.end(); ++RedeclIt) { |
4706 | ExpectedDecl RedeclOrErr = import(*RedeclIt); |
4707 | if (!RedeclOrErr) |
4708 | return RedeclOrErr.takeError(); |
4709 | } |
4710 | |
4711 | return ToVar; |
4712 | } |
4713 | |
4714 | ExpectedDecl ASTNodeImporter::VisitImplicitParamDecl(ImplicitParamDecl *D) { |
4715 | // Parameters are created in the translation unit's context, then moved |
4716 | // into the function declaration's context afterward. |
4717 | DeclContext *DC = Importer.getToContext().getTranslationUnitDecl(); |
4718 | |
4719 | Error Err = Error::success(); |
4720 | auto ToDeclName = importChecked(Err, D->getDeclName()); |
4721 | auto ToLocation = importChecked(Err, D->getLocation()); |
4722 | auto ToType = importChecked(Err, D->getType()); |
4723 | if (Err) |
4724 | return std::move(Err); |
4725 | |
4726 | // Create the imported parameter. |
4727 | ImplicitParamDecl *ToParm = nullptr; |
4728 | if (GetImportedOrCreateDecl(ToParm, D, Importer.getToContext(), DC, |
4729 | ToLocation, ToDeclName.getAsIdentifierInfo(), |
4730 | ToType, D->getParameterKind())) |
4731 | return ToParm; |
4732 | return ToParm; |
4733 | } |
4734 | |
4735 | Error ASTNodeImporter::ImportDefaultArgOfParmVarDecl( |
4736 | const ParmVarDecl *FromParam, ParmVarDecl *ToParam) { |
4737 | |
4738 | if (auto LocOrErr = import(From: FromParam->getExplicitObjectParamThisLoc())) |
4739 | ToParam->setExplicitObjectParameterLoc(*LocOrErr); |
4740 | else |
4741 | return LocOrErr.takeError(); |
4742 | |
4743 | ToParam->setHasInheritedDefaultArg(FromParam->hasInheritedDefaultArg()); |
4744 | ToParam->setKNRPromoted(FromParam->isKNRPromoted()); |
4745 | |
4746 | if (FromParam->hasUninstantiatedDefaultArg()) { |
4747 | if (auto ToDefArgOrErr = import(From: FromParam->getUninstantiatedDefaultArg())) |
4748 | ToParam->setUninstantiatedDefaultArg(*ToDefArgOrErr); |
4749 | else |
4750 | return ToDefArgOrErr.takeError(); |
4751 | } else if (FromParam->hasUnparsedDefaultArg()) { |
4752 | ToParam->setUnparsedDefaultArg(); |
4753 | } else if (FromParam->hasDefaultArg()) { |
4754 | if (auto ToDefArgOrErr = import(From: FromParam->getDefaultArg())) |
4755 | ToParam->setDefaultArg(*ToDefArgOrErr); |
4756 | else |
4757 | return ToDefArgOrErr.takeError(); |
4758 | } |
4759 | |
4760 | return Error::success(); |
4761 | } |
4762 | |
4763 | Expected<InheritedConstructor> |
4764 | ASTNodeImporter::ImportInheritedConstructor(const InheritedConstructor &From) { |
4765 | Error Err = Error::success(); |
4766 | CXXConstructorDecl *ToBaseCtor = importChecked(Err, From: From.getConstructor()); |
4767 | ConstructorUsingShadowDecl *ToShadow = |
4768 | importChecked(Err, From: From.getShadowDecl()); |
4769 | if (Err) |
4770 | return std::move(Err); |
4771 | return InheritedConstructor(ToShadow, ToBaseCtor); |
4772 | } |
4773 | |
4774 | ExpectedDecl ASTNodeImporter::VisitParmVarDecl(ParmVarDecl *D) { |
4775 | // Parameters are created in the translation unit's context, then moved |
4776 | // into the function declaration's context afterward. |
4777 | DeclContext *DC = Importer.getToContext().getTranslationUnitDecl(); |
4778 | |
4779 | Error Err = Error::success(); |
4780 | auto ToDeclName = importChecked(Err, D->getDeclName()); |
4781 | auto ToLocation = importChecked(Err, D->getLocation()); |
4782 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); |
4783 | auto ToType = importChecked(Err, D->getType()); |
4784 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); |
4785 | if (Err) |
4786 | return std::move(Err); |
4787 | |
4788 | ParmVarDecl *ToParm; |
4789 | if (GetImportedOrCreateDecl(ToParm, D, Importer.getToContext(), DC, |
4790 | ToInnerLocStart, ToLocation, |
4791 | ToDeclName.getAsIdentifierInfo(), ToType, |
4792 | ToTypeSourceInfo, D->getStorageClass(), |
4793 | /*DefaultArg*/ nullptr)) |
4794 | return ToParm; |
4795 | |
4796 | // Set the default argument. It should be no problem if it was already done. |
4797 | // Do not import the default expression before GetImportedOrCreateDecl call |
4798 | // to avoid possible infinite import loop because circular dependency. |
4799 | if (Error Err = ImportDefaultArgOfParmVarDecl(FromParam: D, ToParam: ToParm)) |
4800 | return std::move(Err); |
4801 | |
4802 | if (D->isObjCMethodParameter()) { |
4803 | ToParm->setObjCMethodScopeInfo(D->getFunctionScopeIndex()); |
4804 | ToParm->setObjCDeclQualifier(D->getObjCDeclQualifier()); |
4805 | } else { |
4806 | ToParm->setScopeInfo(scopeDepth: D->getFunctionScopeDepth(), |
4807 | parameterIndex: D->getFunctionScopeIndex()); |
4808 | } |
4809 | |
4810 | return ToParm; |
4811 | } |
4812 | |
4813 | ExpectedDecl ASTNodeImporter::VisitObjCMethodDecl(ObjCMethodDecl *D) { |
4814 | // Import the major distinguishing characteristics of a method. |
4815 | DeclContext *DC, *LexicalDC; |
4816 | DeclarationName Name; |
4817 | SourceLocation Loc; |
4818 | NamedDecl *ToD; |
4819 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
4820 | return std::move(Err); |
4821 | if (ToD) |
4822 | return ToD; |
4823 | |
4824 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
4825 | for (auto *FoundDecl : FoundDecls) { |
4826 | if (auto *FoundMethod = dyn_cast<ObjCMethodDecl>(Val: FoundDecl)) { |
4827 | if (FoundMethod->isInstanceMethod() != D->isInstanceMethod()) |
4828 | continue; |
4829 | |
4830 | // Check return types. |
4831 | if (!Importer.IsStructurallyEquivalent(From: D->getReturnType(), |
4832 | To: FoundMethod->getReturnType())) { |
4833 | Importer.ToDiag(Loc, diag::warn_odr_objc_method_result_type_inconsistent) |
4834 | << D->isInstanceMethod() << Name << D->getReturnType() |
4835 | << FoundMethod->getReturnType(); |
4836 | Importer.ToDiag(FoundMethod->getLocation(), |
4837 | diag::note_odr_objc_method_here) |
4838 | << D->isInstanceMethod() << Name; |
4839 | |
4840 | return make_error<ASTImportError>(Args: ASTImportError::NameConflict); |
4841 | } |
4842 | |
4843 | // Check the number of parameters. |
4844 | if (D->param_size() != FoundMethod->param_size()) { |
4845 | Importer.ToDiag(Loc, diag::warn_odr_objc_method_num_params_inconsistent) |
4846 | << D->isInstanceMethod() << Name |
4847 | << D->param_size() << FoundMethod->param_size(); |
4848 | Importer.ToDiag(FoundMethod->getLocation(), |
4849 | diag::note_odr_objc_method_here) |
4850 | << D->isInstanceMethod() << Name; |
4851 | |
4852 | return make_error<ASTImportError>(Args: ASTImportError::NameConflict); |
4853 | } |
4854 | |
4855 | // Check parameter types. |
4856 | for (ObjCMethodDecl::param_iterator P = D->param_begin(), |
4857 | PEnd = D->param_end(), FoundP = FoundMethod->param_begin(); |
4858 | P != PEnd; ++P, ++FoundP) { |
4859 | if (!Importer.IsStructurallyEquivalent(From: (*P)->getType(), |
4860 | To: (*FoundP)->getType())) { |
4861 | Importer.FromDiag((*P)->getLocation(), |
4862 | diag::warn_odr_objc_method_param_type_inconsistent) |
4863 | << D->isInstanceMethod() << Name |
4864 | << (*P)->getType() << (*FoundP)->getType(); |
4865 | Importer.ToDiag((*FoundP)->getLocation(), diag::note_odr_value_here) |
4866 | << (*FoundP)->getType(); |
4867 | |
4868 | return make_error<ASTImportError>(Args: ASTImportError::NameConflict); |
4869 | } |
4870 | } |
4871 | |
4872 | // Check variadic/non-variadic. |
4873 | // Check the number of parameters. |
4874 | if (D->isVariadic() != FoundMethod->isVariadic()) { |
4875 | Importer.ToDiag(Loc, diag::warn_odr_objc_method_variadic_inconsistent) |
4876 | << D->isInstanceMethod() << Name; |
4877 | Importer.ToDiag(FoundMethod->getLocation(), |
4878 | diag::note_odr_objc_method_here) |
4879 | << D->isInstanceMethod() << Name; |
4880 | |
4881 | return make_error<ASTImportError>(Args: ASTImportError::NameConflict); |
4882 | } |
4883 | |
4884 | // FIXME: Any other bits we need to merge? |
4885 | return Importer.MapImported(D, FoundMethod); |
4886 | } |
4887 | } |
4888 | |
4889 | Error Err = Error::success(); |
4890 | auto ToEndLoc = importChecked(Err, From: D->getEndLoc()); |
4891 | auto ToReturnType = importChecked(Err, From: D->getReturnType()); |
4892 | auto ToReturnTypeSourceInfo = |
4893 | importChecked(Err, From: D->getReturnTypeSourceInfo()); |
4894 | if (Err) |
4895 | return std::move(Err); |
4896 | |
4897 | ObjCMethodDecl *ToMethod; |
4898 | if (GetImportedOrCreateDecl( |
4899 | ToMethod, D, Importer.getToContext(), Loc, ToEndLoc, |
4900 | Name.getObjCSelector(), ToReturnType, ToReturnTypeSourceInfo, DC, |
4901 | D->isInstanceMethod(), D->isVariadic(), D->isPropertyAccessor(), |
4902 | D->isSynthesizedAccessorStub(), D->isImplicit(), D->isDefined(), |
4903 | D->getImplementationControl(), D->hasRelatedResultType())) |
4904 | return ToMethod; |
4905 | |
4906 | // FIXME: When we decide to merge method definitions, we'll need to |
4907 | // deal with implicit parameters. |
4908 | |
4909 | // Import the parameters |
4910 | SmallVector<ParmVarDecl *, 5> ToParams; |
4911 | for (auto *FromP : D->parameters()) { |
4912 | if (Expected<ParmVarDecl *> ToPOrErr = import(From: FromP)) |
4913 | ToParams.push_back(Elt: *ToPOrErr); |
4914 | else |
4915 | return ToPOrErr.takeError(); |
4916 | } |
4917 | |
4918 | // Set the parameters. |
4919 | for (auto *ToParam : ToParams) { |
4920 | ToParam->setOwningFunction(ToMethod); |
4921 | ToMethod->addDeclInternal(ToParam); |
4922 | } |
4923 | |
4924 | SmallVector<SourceLocation, 12> FromSelLocs; |
4925 | D->getSelectorLocs(SelLocs&: FromSelLocs); |
4926 | SmallVector<SourceLocation, 12> ToSelLocs(FromSelLocs.size()); |
4927 | if (Error Err = ImportContainerChecked(InContainer: FromSelLocs, OutContainer&: ToSelLocs)) |
4928 | return std::move(Err); |
4929 | |
4930 | ToMethod->setMethodParams(C&: Importer.getToContext(), Params: ToParams, SelLocs: ToSelLocs); |
4931 | |
4932 | ToMethod->setLexicalDeclContext(LexicalDC); |
4933 | LexicalDC->addDeclInternal(ToMethod); |
4934 | |
4935 | // Implicit params are declared when Sema encounters the definition but this |
4936 | // never happens when the method is imported. Manually declare the implicit |
4937 | // params now that the MethodDecl knows its class interface. |
4938 | if (D->getSelfDecl()) |
4939 | ToMethod->createImplicitParams(Context&: Importer.getToContext(), |
4940 | ID: ToMethod->getClassInterface()); |
4941 | |
4942 | return ToMethod; |
4943 | } |
4944 | |
4945 | ExpectedDecl ASTNodeImporter::VisitObjCTypeParamDecl(ObjCTypeParamDecl *D) { |
4946 | // Import the major distinguishing characteristics of a category. |
4947 | DeclContext *DC, *LexicalDC; |
4948 | DeclarationName Name; |
4949 | SourceLocation Loc; |
4950 | NamedDecl *ToD; |
4951 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
4952 | return std::move(Err); |
4953 | if (ToD) |
4954 | return ToD; |
4955 | |
4956 | Error Err = Error::success(); |
4957 | auto ToVarianceLoc = importChecked(Err, From: D->getVarianceLoc()); |
4958 | auto ToLocation = importChecked(Err, D->getLocation()); |
4959 | auto ToColonLoc = importChecked(Err, From: D->getColonLoc()); |
4960 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); |
4961 | if (Err) |
4962 | return std::move(Err); |
4963 | |
4964 | ObjCTypeParamDecl *Result; |
4965 | if (GetImportedOrCreateDecl( |
4966 | Result, D, Importer.getToContext(), DC, D->getVariance(), |
4967 | ToVarianceLoc, D->getIndex(), |
4968 | ToLocation, Name.getAsIdentifierInfo(), |
4969 | ToColonLoc, ToTypeSourceInfo)) |
4970 | return Result; |
4971 | |
4972 | // Only import 'ObjCTypeParamType' after the decl is created. |
4973 | auto ToTypeForDecl = importChecked(Err, D->getTypeForDecl()); |
4974 | if (Err) |
4975 | return std::move(Err); |
4976 | Result->setTypeForDecl(ToTypeForDecl); |
4977 | Result->setLexicalDeclContext(LexicalDC); |
4978 | return Result; |
4979 | } |
4980 | |
4981 | ExpectedDecl ASTNodeImporter::VisitObjCCategoryDecl(ObjCCategoryDecl *D) { |
4982 | // Import the major distinguishing characteristics of a category. |
4983 | DeclContext *DC, *LexicalDC; |
4984 | DeclarationName Name; |
4985 | SourceLocation Loc; |
4986 | NamedDecl *ToD; |
4987 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
4988 | return std::move(Err); |
4989 | if (ToD) |
4990 | return ToD; |
4991 | |
4992 | ObjCInterfaceDecl *ToInterface; |
4993 | if (Error Err = importInto(To&: ToInterface, From: D->getClassInterface())) |
4994 | return std::move(Err); |
4995 | |
4996 | // Determine if we've already encountered this category. |
4997 | ObjCCategoryDecl *MergeWithCategory |
4998 | = ToInterface->FindCategoryDeclaration(CategoryId: Name.getAsIdentifierInfo()); |
4999 | ObjCCategoryDecl *ToCategory = MergeWithCategory; |
5000 | if (!ToCategory) { |
5001 | |
5002 | Error Err = Error::success(); |
5003 | auto ToAtStartLoc = importChecked(Err, D->getAtStartLoc()); |
5004 | auto ToCategoryNameLoc = importChecked(Err, From: D->getCategoryNameLoc()); |
5005 | auto ToIvarLBraceLoc = importChecked(Err, From: D->getIvarLBraceLoc()); |
5006 | auto ToIvarRBraceLoc = importChecked(Err, From: D->getIvarRBraceLoc()); |
5007 | if (Err) |
5008 | return std::move(Err); |
5009 | |
5010 | if (GetImportedOrCreateDecl(ToCategory, D, Importer.getToContext(), DC, |
5011 | ToAtStartLoc, Loc, |
5012 | ToCategoryNameLoc, |
5013 | Name.getAsIdentifierInfo(), ToInterface, |
5014 | /*TypeParamList=*/nullptr, |
5015 | ToIvarLBraceLoc, |
5016 | ToIvarRBraceLoc)) |
5017 | return ToCategory; |
5018 | |
5019 | ToCategory->setLexicalDeclContext(LexicalDC); |
5020 | LexicalDC->addDeclInternal(ToCategory); |
5021 | // Import the type parameter list after MapImported, to avoid |
5022 | // loops when bringing in their DeclContext. |
5023 | if (auto PListOrErr = ImportObjCTypeParamList(list: D->getTypeParamList())) |
5024 | ToCategory->setTypeParamList(*PListOrErr); |
5025 | else |
5026 | return PListOrErr.takeError(); |
5027 | |
5028 | // Import protocols |
5029 | SmallVector<ObjCProtocolDecl *, 4> Protocols; |
5030 | SmallVector<SourceLocation, 4> ProtocolLocs; |
5031 | ObjCCategoryDecl::protocol_loc_iterator FromProtoLoc |
5032 | = D->protocol_loc_begin(); |
5033 | for (ObjCCategoryDecl::protocol_iterator FromProto = D->protocol_begin(), |
5034 | FromProtoEnd = D->protocol_end(); |
5035 | FromProto != FromProtoEnd; |
5036 | ++FromProto, ++FromProtoLoc) { |
5037 | if (Expected<ObjCProtocolDecl *> ToProtoOrErr = import(From: *FromProto)) |
5038 | Protocols.push_back(Elt: *ToProtoOrErr); |
5039 | else |
5040 | return ToProtoOrErr.takeError(); |
5041 | |
5042 | if (ExpectedSLoc ToProtoLocOrErr = import(From: *FromProtoLoc)) |
5043 | ProtocolLocs.push_back(Elt: *ToProtoLocOrErr); |
5044 | else |
5045 | return ToProtoLocOrErr.takeError(); |
5046 | } |
5047 | |
5048 | // FIXME: If we're merging, make sure that the protocol list is the same. |
5049 | ToCategory->setProtocolList(List: Protocols.data(), Num: Protocols.size(), |
5050 | Locs: ProtocolLocs.data(), C&: Importer.getToContext()); |
5051 | |
5052 | } else { |
5053 | Importer.MapImported(D, ToCategory); |
5054 | } |
5055 | |
5056 | // Import all of the members of this category. |
5057 | if (Error Err = ImportDeclContext(D)) |
5058 | return std::move(Err); |
5059 | |
5060 | // If we have an implementation, import it as well. |
5061 | if (D->getImplementation()) { |
5062 | if (Expected<ObjCCategoryImplDecl *> ToImplOrErr = |
5063 | import(From: D->getImplementation())) |
5064 | ToCategory->setImplementation(*ToImplOrErr); |
5065 | else |
5066 | return ToImplOrErr.takeError(); |
5067 | } |
5068 | |
5069 | return ToCategory; |
5070 | } |
5071 | |
5072 | Error ASTNodeImporter::ImportDefinition( |
5073 | ObjCProtocolDecl *From, ObjCProtocolDecl *To, ImportDefinitionKind Kind) { |
5074 | if (To->getDefinition()) { |
5075 | if (shouldForceImportDeclContext(IDK: Kind)) |
5076 | if (Error Err = ImportDeclContext(From)) |
5077 | return Err; |
5078 | return Error::success(); |
5079 | } |
5080 | |
5081 | // Start the protocol definition |
5082 | To->startDefinition(); |
5083 | |
5084 | // Import protocols |
5085 | SmallVector<ObjCProtocolDecl *, 4> Protocols; |
5086 | SmallVector<SourceLocation, 4> ProtocolLocs; |
5087 | ObjCProtocolDecl::protocol_loc_iterator FromProtoLoc = |
5088 | From->protocol_loc_begin(); |
5089 | for (ObjCProtocolDecl::protocol_iterator FromProto = From->protocol_begin(), |
5090 | FromProtoEnd = From->protocol_end(); |
5091 | FromProto != FromProtoEnd; |
5092 | ++FromProto, ++FromProtoLoc) { |
5093 | if (Expected<ObjCProtocolDecl *> ToProtoOrErr = import(From: *FromProto)) |
5094 | Protocols.push_back(Elt: *ToProtoOrErr); |
5095 | else |
5096 | return ToProtoOrErr.takeError(); |
5097 | |
5098 | if (ExpectedSLoc ToProtoLocOrErr = import(From: *FromProtoLoc)) |
5099 | ProtocolLocs.push_back(Elt: *ToProtoLocOrErr); |
5100 | else |
5101 | return ToProtoLocOrErr.takeError(); |
5102 | |
5103 | } |
5104 | |
5105 | // FIXME: If we're merging, make sure that the protocol list is the same. |
5106 | To->setProtocolList(List: Protocols.data(), Num: Protocols.size(), |
5107 | Locs: ProtocolLocs.data(), C&: Importer.getToContext()); |
5108 | |
5109 | if (shouldForceImportDeclContext(IDK: Kind)) { |
5110 | // Import all of the members of this protocol. |
5111 | if (Error Err = ImportDeclContext(From, /*ForceImport=*/true)) |
5112 | return Err; |
5113 | } |
5114 | return Error::success(); |
5115 | } |
5116 | |
5117 | ExpectedDecl ASTNodeImporter::VisitObjCProtocolDecl(ObjCProtocolDecl *D) { |
5118 | // If this protocol has a definition in the translation unit we're coming |
5119 | // from, but this particular declaration is not that definition, import the |
5120 | // definition and map to that. |
5121 | ObjCProtocolDecl *Definition = D->getDefinition(); |
5122 | if (Definition && Definition != D) { |
5123 | if (ExpectedDecl ImportedDefOrErr = import(From: Definition)) |
5124 | return Importer.MapImported(D, *ImportedDefOrErr); |
5125 | else |
5126 | return ImportedDefOrErr.takeError(); |
5127 | } |
5128 | |
5129 | // Import the major distinguishing characteristics of a protocol. |
5130 | DeclContext *DC, *LexicalDC; |
5131 | DeclarationName Name; |
5132 | SourceLocation Loc; |
5133 | NamedDecl *ToD; |
5134 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
5135 | return std::move(Err); |
5136 | if (ToD) |
5137 | return ToD; |
5138 | |
5139 | ObjCProtocolDecl *MergeWithProtocol = nullptr; |
5140 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
5141 | for (auto *FoundDecl : FoundDecls) { |
5142 | if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_ObjCProtocol)) |
5143 | continue; |
5144 | |
5145 | if ((MergeWithProtocol = dyn_cast<ObjCProtocolDecl>(Val: FoundDecl))) |
5146 | break; |
5147 | } |
5148 | |
5149 | ObjCProtocolDecl *ToProto = MergeWithProtocol; |
5150 | if (!ToProto) { |
5151 | auto ToAtBeginLocOrErr = import(D->getAtStartLoc()); |
5152 | if (!ToAtBeginLocOrErr) |
5153 | return ToAtBeginLocOrErr.takeError(); |
5154 | |
5155 | if (GetImportedOrCreateDecl(ToProto, D, Importer.getToContext(), DC, |
5156 | Name.getAsIdentifierInfo(), Loc, |
5157 | *ToAtBeginLocOrErr, |
5158 | /*PrevDecl=*/nullptr)) |
5159 | return ToProto; |
5160 | ToProto->setLexicalDeclContext(LexicalDC); |
5161 | LexicalDC->addDeclInternal(ToProto); |
5162 | } |
5163 | |
5164 | Importer.MapImported(D, ToProto); |
5165 | |
5166 | if (D->isThisDeclarationADefinition()) |
5167 | if (Error Err = ImportDefinition(From: D, To: ToProto)) |
5168 | return std::move(Err); |
5169 | |
5170 | return ToProto; |
5171 | } |
5172 | |
5173 | ExpectedDecl ASTNodeImporter::VisitLinkageSpecDecl(LinkageSpecDecl *D) { |
5174 | DeclContext *DC, *LexicalDC; |
5175 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) |
5176 | return std::move(Err); |
5177 | |
5178 | ExpectedSLoc ExternLocOrErr = import(From: D->getExternLoc()); |
5179 | if (!ExternLocOrErr) |
5180 | return ExternLocOrErr.takeError(); |
5181 | |
5182 | ExpectedSLoc LangLocOrErr = import(D->getLocation()); |
5183 | if (!LangLocOrErr) |
5184 | return LangLocOrErr.takeError(); |
5185 | |
5186 | bool HasBraces = D->hasBraces(); |
5187 | |
5188 | LinkageSpecDecl *ToLinkageSpec; |
5189 | if (GetImportedOrCreateDecl(ToD&: ToLinkageSpec, FromD: D, args&: Importer.getToContext(), args&: DC, |
5190 | args&: *ExternLocOrErr, args&: *LangLocOrErr, |
5191 | args: D->getLanguage(), args&: HasBraces)) |
5192 | return ToLinkageSpec; |
5193 | |
5194 | if (HasBraces) { |
5195 | ExpectedSLoc RBraceLocOrErr = import(From: D->getRBraceLoc()); |
5196 | if (!RBraceLocOrErr) |
5197 | return RBraceLocOrErr.takeError(); |
5198 | ToLinkageSpec->setRBraceLoc(*RBraceLocOrErr); |
5199 | } |
5200 | |
5201 | ToLinkageSpec->setLexicalDeclContext(LexicalDC); |
5202 | LexicalDC->addDeclInternal(ToLinkageSpec); |
5203 | |
5204 | return ToLinkageSpec; |
5205 | } |
5206 | |
5207 | ExpectedDecl ASTNodeImporter::ImportUsingShadowDecls(BaseUsingDecl *D, |
5208 | BaseUsingDecl *ToSI) { |
5209 | for (UsingShadowDecl *FromShadow : D->shadows()) { |
5210 | if (Expected<UsingShadowDecl *> ToShadowOrErr = import(From: FromShadow)) |
5211 | ToSI->addShadowDecl(S: *ToShadowOrErr); |
5212 | else |
5213 | // FIXME: We return error here but the definition is already created |
5214 | // and available with lookups. How to fix this?.. |
5215 | return ToShadowOrErr.takeError(); |
5216 | } |
5217 | return ToSI; |
5218 | } |
5219 | |
5220 | ExpectedDecl ASTNodeImporter::VisitUsingDecl(UsingDecl *D) { |
5221 | DeclContext *DC, *LexicalDC; |
5222 | DeclarationName Name; |
5223 | SourceLocation Loc; |
5224 | NamedDecl *ToD = nullptr; |
5225 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
5226 | return std::move(Err); |
5227 | if (ToD) |
5228 | return ToD; |
5229 | |
5230 | Error Err = Error::success(); |
5231 | auto ToLoc = importChecked(Err, From: D->getNameInfo().getLoc()); |
5232 | auto ToUsingLoc = importChecked(Err, From: D->getUsingLoc()); |
5233 | auto ToQualifierLoc = importChecked(Err, From: D->getQualifierLoc()); |
5234 | if (Err) |
5235 | return std::move(Err); |
5236 | |
5237 | DeclarationNameInfo NameInfo(Name, ToLoc); |
5238 | if (Error Err = ImportDeclarationNameLoc(From: D->getNameInfo(), To&: NameInfo)) |
5239 | return std::move(Err); |
5240 | |
5241 | UsingDecl *ToUsing; |
5242 | if (GetImportedOrCreateDecl(ToD&: ToUsing, FromD: D, args&: Importer.getToContext(), args&: DC, |
5243 | args&: ToUsingLoc, args&: ToQualifierLoc, args&: NameInfo, |
5244 | args: D->hasTypename())) |
5245 | return ToUsing; |
5246 | |
5247 | ToUsing->setLexicalDeclContext(LexicalDC); |
5248 | LexicalDC->addDeclInternal(ToUsing); |
5249 | |
5250 | if (NamedDecl *FromPattern = |
5251 | Importer.getFromContext().getInstantiatedFromUsingDecl(D)) { |
5252 | if (Expected<NamedDecl *> ToPatternOrErr = import(From: FromPattern)) |
5253 | Importer.getToContext().setInstantiatedFromUsingDecl( |
5254 | ToUsing, *ToPatternOrErr); |
5255 | else |
5256 | return ToPatternOrErr.takeError(); |
5257 | } |
5258 | |
5259 | return ImportUsingShadowDecls(D, ToUsing); |
5260 | } |
5261 | |
5262 | ExpectedDecl ASTNodeImporter::VisitUsingEnumDecl(UsingEnumDecl *D) { |
5263 | DeclContext *DC, *LexicalDC; |
5264 | DeclarationName Name; |
5265 | SourceLocation Loc; |
5266 | NamedDecl *ToD = nullptr; |
5267 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
5268 | return std::move(Err); |
5269 | if (ToD) |
5270 | return ToD; |
5271 | |
5272 | Error Err = Error::success(); |
5273 | auto ToUsingLoc = importChecked(Err, From: D->getUsingLoc()); |
5274 | auto ToEnumLoc = importChecked(Err, From: D->getEnumLoc()); |
5275 | auto ToNameLoc = importChecked(Err, D->getLocation()); |
5276 | auto *ToEnumType = importChecked(Err, From: D->getEnumType()); |
5277 | if (Err) |
5278 | return std::move(Err); |
5279 | |
5280 | UsingEnumDecl *ToUsingEnum; |
5281 | if (GetImportedOrCreateDecl(ToUsingEnum, D, Importer.getToContext(), DC, |
5282 | ToUsingLoc, ToEnumLoc, ToNameLoc, ToEnumType)) |
5283 | return ToUsingEnum; |
5284 | |
5285 | ToUsingEnum->setLexicalDeclContext(LexicalDC); |
5286 | LexicalDC->addDeclInternal(ToUsingEnum); |
5287 | |
5288 | if (UsingEnumDecl *FromPattern = |
5289 | Importer.getFromContext().getInstantiatedFromUsingEnumDecl(Inst: D)) { |
5290 | if (Expected<UsingEnumDecl *> ToPatternOrErr = import(From: FromPattern)) |
5291 | Importer.getToContext().setInstantiatedFromUsingEnumDecl(Inst: ToUsingEnum, |
5292 | Pattern: *ToPatternOrErr); |
5293 | else |
5294 | return ToPatternOrErr.takeError(); |
5295 | } |
5296 | |
5297 | return ImportUsingShadowDecls(D, ToUsingEnum); |
5298 | } |
5299 | |
5300 | ExpectedDecl ASTNodeImporter::VisitUsingShadowDecl(UsingShadowDecl *D) { |
5301 | DeclContext *DC, *LexicalDC; |
5302 | DeclarationName Name; |
5303 | SourceLocation Loc; |
5304 | NamedDecl *ToD = nullptr; |
5305 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
5306 | return std::move(Err); |
5307 | if (ToD) |
5308 | return ToD; |
5309 | |
5310 | Expected<BaseUsingDecl *> ToIntroducerOrErr = import(From: D->getIntroducer()); |
5311 | if (!ToIntroducerOrErr) |
5312 | return ToIntroducerOrErr.takeError(); |
5313 | |
5314 | Expected<NamedDecl *> ToTargetOrErr = import(From: D->getTargetDecl()); |
5315 | if (!ToTargetOrErr) |
5316 | return ToTargetOrErr.takeError(); |
5317 | |
5318 | UsingShadowDecl *ToShadow; |
5319 | if (auto *FromConstructorUsingShadow = |
5320 | dyn_cast<ConstructorUsingShadowDecl>(Val: D)) { |
5321 | Error Err = Error::success(); |
5322 | ConstructorUsingShadowDecl *Nominated = importChecked( |
5323 | Err, From: FromConstructorUsingShadow->getNominatedBaseClassShadowDecl()); |
5324 | if (Err) |
5325 | return std::move(Err); |
5326 | // The 'Target' parameter of ConstructorUsingShadowDecl constructor |
5327 | // is really the "NominatedBaseClassShadowDecl" value if it exists |
5328 | // (see code of ConstructorUsingShadowDecl::ConstructorUsingShadowDecl). |
5329 | // We should pass the NominatedBaseClassShadowDecl to it (if non-null) to |
5330 | // get the correct values. |
5331 | if (GetImportedOrCreateDecl<ConstructorUsingShadowDecl>( |
5332 | ToShadow, D, Importer.getToContext(), DC, Loc, |
5333 | cast<UsingDecl>(Val: *ToIntroducerOrErr), |
5334 | Nominated ? Nominated : *ToTargetOrErr, |
5335 | FromConstructorUsingShadow->constructsVirtualBase())) |
5336 | return ToShadow; |
5337 | } else { |
5338 | if (GetImportedOrCreateDecl(ToD&: ToShadow, FromD: D, args&: Importer.getToContext(), args&: DC, args&: Loc, |
5339 | args&: Name, args&: *ToIntroducerOrErr, args&: *ToTargetOrErr)) |
5340 | return ToShadow; |
5341 | } |
5342 | |
5343 | ToShadow->setLexicalDeclContext(LexicalDC); |
5344 | ToShadow->setAccess(D->getAccess()); |
5345 | |
5346 | if (UsingShadowDecl *FromPattern = |
5347 | Importer.getFromContext().getInstantiatedFromUsingShadowDecl(Inst: D)) { |
5348 | if (Expected<UsingShadowDecl *> ToPatternOrErr = import(From: FromPattern)) |
5349 | Importer.getToContext().setInstantiatedFromUsingShadowDecl( |
5350 | Inst: ToShadow, Pattern: *ToPatternOrErr); |
5351 | else |
5352 | // FIXME: We return error here but the definition is already created |
5353 | // and available with lookups. How to fix this?.. |
5354 | return ToPatternOrErr.takeError(); |
5355 | } |
5356 | |
5357 | LexicalDC->addDeclInternal(ToShadow); |
5358 | |
5359 | return ToShadow; |
5360 | } |
5361 | |
5362 | ExpectedDecl ASTNodeImporter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { |
5363 | DeclContext *DC, *LexicalDC; |
5364 | DeclarationName Name; |
5365 | SourceLocation Loc; |
5366 | NamedDecl *ToD = nullptr; |
5367 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
5368 | return std::move(Err); |
5369 | if (ToD) |
5370 | return ToD; |
5371 | |
5372 | auto ToComAncestorOrErr = Importer.ImportContext(FromDC: D->getCommonAncestor()); |
5373 | if (!ToComAncestorOrErr) |
5374 | return ToComAncestorOrErr.takeError(); |
5375 | |
5376 | Error Err = Error::success(); |
5377 | auto ToNominatedNamespace = importChecked(Err, From: D->getNominatedNamespace()); |
5378 | auto ToUsingLoc = importChecked(Err, From: D->getUsingLoc()); |
5379 | auto ToNamespaceKeyLocation = |
5380 | importChecked(Err, From: D->getNamespaceKeyLocation()); |
5381 | auto ToQualifierLoc = importChecked(Err, From: D->getQualifierLoc()); |
5382 | auto ToIdentLocation = importChecked(Err, From: D->getIdentLocation()); |
5383 | if (Err) |
5384 | return std::move(Err); |
5385 | |
5386 | UsingDirectiveDecl *ToUsingDir; |
5387 | if (GetImportedOrCreateDecl(ToD&: ToUsingDir, FromD: D, args&: Importer.getToContext(), args&: DC, |
5388 | args&: ToUsingLoc, |
5389 | args&: ToNamespaceKeyLocation, |
5390 | args&: ToQualifierLoc, |
5391 | args&: ToIdentLocation, |
5392 | args&: ToNominatedNamespace, args&: *ToComAncestorOrErr)) |
5393 | return ToUsingDir; |
5394 | |
5395 | ToUsingDir->setLexicalDeclContext(LexicalDC); |
5396 | LexicalDC->addDeclInternal(ToUsingDir); |
5397 | |
5398 | return ToUsingDir; |
5399 | } |
5400 | |
5401 | ExpectedDecl ASTNodeImporter::VisitUsingPackDecl(UsingPackDecl *D) { |
5402 | DeclContext *DC, *LexicalDC; |
5403 | DeclarationName Name; |
5404 | SourceLocation Loc; |
5405 | NamedDecl *ToD = nullptr; |
5406 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
5407 | return std::move(Err); |
5408 | if (ToD) |
5409 | return ToD; |
5410 | |
5411 | auto ToInstantiatedFromUsingOrErr = |
5412 | Importer.Import(D->getInstantiatedFromUsingDecl()); |
5413 | if (!ToInstantiatedFromUsingOrErr) |
5414 | return ToInstantiatedFromUsingOrErr.takeError(); |
5415 | SmallVector<NamedDecl *, 4> Expansions(D->expansions().size()); |
5416 | if (Error Err = ImportArrayChecked(InContainer: D->expansions(), Obegin: Expansions.begin())) |
5417 | return std::move(Err); |
5418 | |
5419 | UsingPackDecl *ToUsingPack; |
5420 | if (GetImportedOrCreateDecl(ToUsingPack, D, Importer.getToContext(), DC, |
5421 | cast<NamedDecl>(*ToInstantiatedFromUsingOrErr), |
5422 | Expansions)) |
5423 | return ToUsingPack; |
5424 | |
5425 | addDeclToContexts(D, ToUsingPack); |
5426 | |
5427 | return ToUsingPack; |
5428 | } |
5429 | |
5430 | ExpectedDecl ASTNodeImporter::VisitUnresolvedUsingValueDecl( |
5431 | UnresolvedUsingValueDecl *D) { |
5432 | DeclContext *DC, *LexicalDC; |
5433 | DeclarationName Name; |
5434 | SourceLocation Loc; |
5435 | NamedDecl *ToD = nullptr; |
5436 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
5437 | return std::move(Err); |
5438 | if (ToD) |
5439 | return ToD; |
5440 | |
5441 | Error Err = Error::success(); |
5442 | auto ToLoc = importChecked(Err, From: D->getNameInfo().getLoc()); |
5443 | auto ToUsingLoc = importChecked(Err, From: D->getUsingLoc()); |
5444 | auto ToQualifierLoc = importChecked(Err, From: D->getQualifierLoc()); |
5445 | auto ToEllipsisLoc = importChecked(Err, From: D->getEllipsisLoc()); |
5446 | if (Err) |
5447 | return std::move(Err); |
5448 | |
5449 | DeclarationNameInfo NameInfo(Name, ToLoc); |
5450 | if (Error Err = ImportDeclarationNameLoc(From: D->getNameInfo(), To&: NameInfo)) |
5451 | return std::move(Err); |
5452 | |
5453 | UnresolvedUsingValueDecl *ToUsingValue; |
5454 | if (GetImportedOrCreateDecl(ToD&: ToUsingValue, FromD: D, args&: Importer.getToContext(), args&: DC, |
5455 | args&: ToUsingLoc, args&: ToQualifierLoc, args&: NameInfo, |
5456 | args&: ToEllipsisLoc)) |
5457 | return ToUsingValue; |
5458 | |
5459 | ToUsingValue->setAccess(D->getAccess()); |
5460 | ToUsingValue->setLexicalDeclContext(LexicalDC); |
5461 | LexicalDC->addDeclInternal(ToUsingValue); |
5462 | |
5463 | return ToUsingValue; |
5464 | } |
5465 | |
5466 | ExpectedDecl ASTNodeImporter::VisitUnresolvedUsingTypenameDecl( |
5467 | UnresolvedUsingTypenameDecl *D) { |
5468 | DeclContext *DC, *LexicalDC; |
5469 | DeclarationName Name; |
5470 | SourceLocation Loc; |
5471 | NamedDecl *ToD = nullptr; |
5472 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
5473 | return std::move(Err); |
5474 | if (ToD) |
5475 | return ToD; |
5476 | |
5477 | Error Err = Error::success(); |
5478 | auto ToUsingLoc = importChecked(Err, From: D->getUsingLoc()); |
5479 | auto ToTypenameLoc = importChecked(Err, From: D->getTypenameLoc()); |
5480 | auto ToQualifierLoc = importChecked(Err, From: D->getQualifierLoc()); |
5481 | auto ToEllipsisLoc = importChecked(Err, From: D->getEllipsisLoc()); |
5482 | if (Err) |
5483 | return std::move(Err); |
5484 | |
5485 | UnresolvedUsingTypenameDecl *ToUsing; |
5486 | if (GetImportedOrCreateDecl(ToD&: ToUsing, FromD: D, args&: Importer.getToContext(), args&: DC, |
5487 | args&: ToUsingLoc, args&: ToTypenameLoc, |
5488 | args&: ToQualifierLoc, args&: Loc, args&: Name, args&: ToEllipsisLoc)) |
5489 | return ToUsing; |
5490 | |
5491 | ToUsing->setAccess(D->getAccess()); |
5492 | ToUsing->setLexicalDeclContext(LexicalDC); |
5493 | LexicalDC->addDeclInternal(ToUsing); |
5494 | |
5495 | return ToUsing; |
5496 | } |
5497 | |
5498 | ExpectedDecl ASTNodeImporter::VisitBuiltinTemplateDecl(BuiltinTemplateDecl *D) { |
5499 | Decl* ToD = nullptr; |
5500 | switch (D->getBuiltinTemplateKind()) { |
5501 | #define BuiltinTemplate(BTName) \ |
5502 | case BuiltinTemplateKind::BTK##BTName: \ |
5503 | ToD = Importer.getToContext().get##BTName##Decl(); \ |
5504 | break; |
5505 | #include "clang/Basic/BuiltinTemplates.inc" |
5506 | } |
5507 | assert(ToD && "BuiltinTemplateDecl of unsupported kind!"); |
5508 | Importer.MapImported(D, ToD); |
5509 | return ToD; |
5510 | } |
5511 | |
5512 | Error ASTNodeImporter::ImportDefinition( |
5513 | ObjCInterfaceDecl *From, ObjCInterfaceDecl *To, ImportDefinitionKind Kind) { |
5514 | if (To->getDefinition()) { |
5515 | // Check consistency of superclass. |
5516 | ObjCInterfaceDecl *FromSuper = From->getSuperClass(); |
5517 | if (FromSuper) { |
5518 | if (auto FromSuperOrErr = import(From: FromSuper)) |
5519 | FromSuper = *FromSuperOrErr; |
5520 | else |
5521 | return FromSuperOrErr.takeError(); |
5522 | } |
5523 | |
5524 | ObjCInterfaceDecl *ToSuper = To->getSuperClass(); |
5525 | if ((bool)FromSuper != (bool)ToSuper || |
5526 | (FromSuper && !declaresSameEntity(FromSuper, ToSuper))) { |
5527 | Importer.ToDiag(To->getLocation(), |
5528 | diag::warn_odr_objc_superclass_inconsistent) |
5529 | << To->getDeclName(); |
5530 | if (ToSuper) |
5531 | Importer.ToDiag(To->getSuperClassLoc(), diag::note_odr_objc_superclass) |
5532 | << To->getSuperClass()->getDeclName(); |
5533 | else |
5534 | Importer.ToDiag(To->getLocation(), |
5535 | diag::note_odr_objc_missing_superclass); |
5536 | if (From->getSuperClass()) |
5537 | Importer.FromDiag(From->getSuperClassLoc(), |
5538 | diag::note_odr_objc_superclass) |
5539 | << From->getSuperClass()->getDeclName(); |
5540 | else |
5541 | Importer.FromDiag(From->getLocation(), |
5542 | diag::note_odr_objc_missing_superclass); |
5543 | } |
5544 | |
5545 | if (shouldForceImportDeclContext(IDK: Kind)) |
5546 | if (Error Err = ImportDeclContext(From)) |
5547 | return Err; |
5548 | return Error::success(); |
5549 | } |
5550 | |
5551 | // Start the definition. |
5552 | To->startDefinition(); |
5553 | |
5554 | // If this class has a superclass, import it. |
5555 | if (From->getSuperClass()) { |
5556 | if (auto SuperTInfoOrErr = import(From: From->getSuperClassTInfo())) |
5557 | To->setSuperClass(*SuperTInfoOrErr); |
5558 | else |
5559 | return SuperTInfoOrErr.takeError(); |
5560 | } |
5561 | |
5562 | // Import protocols |
5563 | SmallVector<ObjCProtocolDecl *, 4> Protocols; |
5564 | SmallVector<SourceLocation, 4> ProtocolLocs; |
5565 | ObjCInterfaceDecl::protocol_loc_iterator FromProtoLoc = |
5566 | From->protocol_loc_begin(); |
5567 | |
5568 | for (ObjCInterfaceDecl::protocol_iterator FromProto = From->protocol_begin(), |
5569 | FromProtoEnd = From->protocol_end(); |
5570 | FromProto != FromProtoEnd; |
5571 | ++FromProto, ++FromProtoLoc) { |
5572 | if (Expected<ObjCProtocolDecl *> ToProtoOrErr = import(From: *FromProto)) |
5573 | Protocols.push_back(Elt: *ToProtoOrErr); |
5574 | else |
5575 | return ToProtoOrErr.takeError(); |
5576 | |
5577 | if (ExpectedSLoc ToProtoLocOrErr = import(From: *FromProtoLoc)) |
5578 | ProtocolLocs.push_back(Elt: *ToProtoLocOrErr); |
5579 | else |
5580 | return ToProtoLocOrErr.takeError(); |
5581 | |
5582 | } |
5583 | |
5584 | // FIXME: If we're merging, make sure that the protocol list is the same. |
5585 | To->setProtocolList(List: Protocols.data(), Num: Protocols.size(), |
5586 | Locs: ProtocolLocs.data(), C&: Importer.getToContext()); |
5587 | |
5588 | // Import categories. When the categories themselves are imported, they'll |
5589 | // hook themselves into this interface. |
5590 | for (auto *Cat : From->known_categories()) { |
5591 | auto ToCatOrErr = import(From: Cat); |
5592 | if (!ToCatOrErr) |
5593 | return ToCatOrErr.takeError(); |
5594 | } |
5595 | |
5596 | // If we have an @implementation, import it as well. |
5597 | if (From->getImplementation()) { |
5598 | if (Expected<ObjCImplementationDecl *> ToImplOrErr = |
5599 | import(From: From->getImplementation())) |
5600 | To->setImplementation(*ToImplOrErr); |
5601 | else |
5602 | return ToImplOrErr.takeError(); |
5603 | } |
5604 | |
5605 | // Import all of the members of this class. |
5606 | if (Error Err = ImportDeclContext(From, /*ForceImport=*/true)) |
5607 | return Err; |
5608 | |
5609 | return Error::success(); |
5610 | } |
5611 | |
5612 | Expected<ObjCTypeParamList *> |
5613 | ASTNodeImporter::ImportObjCTypeParamList(ObjCTypeParamList *list) { |
5614 | if (!list) |
5615 | return nullptr; |
5616 | |
5617 | SmallVector<ObjCTypeParamDecl *, 4> toTypeParams; |
5618 | for (auto *fromTypeParam : *list) { |
5619 | if (auto toTypeParamOrErr = import(From: fromTypeParam)) |
5620 | toTypeParams.push_back(Elt: *toTypeParamOrErr); |
5621 | else |
5622 | return toTypeParamOrErr.takeError(); |
5623 | } |
5624 | |
5625 | auto LAngleLocOrErr = import(From: list->getLAngleLoc()); |
5626 | if (!LAngleLocOrErr) |
5627 | return LAngleLocOrErr.takeError(); |
5628 | |
5629 | auto RAngleLocOrErr = import(From: list->getRAngleLoc()); |
5630 | if (!RAngleLocOrErr) |
5631 | return RAngleLocOrErr.takeError(); |
5632 | |
5633 | return ObjCTypeParamList::create(ctx&: Importer.getToContext(), |
5634 | lAngleLoc: *LAngleLocOrErr, |
5635 | typeParams: toTypeParams, |
5636 | rAngleLoc: *RAngleLocOrErr); |
5637 | } |
5638 | |
5639 | ExpectedDecl ASTNodeImporter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) { |
5640 | // If this class has a definition in the translation unit we're coming from, |
5641 | // but this particular declaration is not that definition, import the |
5642 | // definition and map to that. |
5643 | ObjCInterfaceDecl *Definition = D->getDefinition(); |
5644 | if (Definition && Definition != D) { |
5645 | if (ExpectedDecl ImportedDefOrErr = import(From: Definition)) |
5646 | return Importer.MapImported(D, *ImportedDefOrErr); |
5647 | else |
5648 | return ImportedDefOrErr.takeError(); |
5649 | } |
5650 | |
5651 | // Import the major distinguishing characteristics of an @interface. |
5652 | DeclContext *DC, *LexicalDC; |
5653 | DeclarationName Name; |
5654 | SourceLocation Loc; |
5655 | NamedDecl *ToD; |
5656 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
5657 | return std::move(Err); |
5658 | if (ToD) |
5659 | return ToD; |
5660 | |
5661 | // Look for an existing interface with the same name. |
5662 | ObjCInterfaceDecl *MergeWithIface = nullptr; |
5663 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
5664 | for (auto *FoundDecl : FoundDecls) { |
5665 | if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary)) |
5666 | continue; |
5667 | |
5668 | if ((MergeWithIface = dyn_cast<ObjCInterfaceDecl>(Val: FoundDecl))) |
5669 | break; |
5670 | } |
5671 | |
5672 | // Create an interface declaration, if one does not already exist. |
5673 | ObjCInterfaceDecl *ToIface = MergeWithIface; |
5674 | if (!ToIface) { |
5675 | ExpectedSLoc AtBeginLocOrErr = import(D->getAtStartLoc()); |
5676 | if (!AtBeginLocOrErr) |
5677 | return AtBeginLocOrErr.takeError(); |
5678 | |
5679 | if (GetImportedOrCreateDecl( |
5680 | ToD&: ToIface, FromD: D, args&: Importer.getToContext(), args&: DC, |
5681 | args&: *AtBeginLocOrErr, args: Name.getAsIdentifierInfo(), |
5682 | /*TypeParamList=*/args: nullptr, |
5683 | /*PrevDecl=*/args: nullptr, args&: Loc, args: D->isImplicitInterfaceDecl())) |
5684 | return ToIface; |
5685 | ToIface->setLexicalDeclContext(LexicalDC); |
5686 | LexicalDC->addDeclInternal(ToIface); |
5687 | } |
5688 | Importer.MapImported(D, ToIface); |
5689 | // Import the type parameter list after MapImported, to avoid |
5690 | // loops when bringing in their DeclContext. |
5691 | if (auto ToPListOrErr = |
5692 | ImportObjCTypeParamList(list: D->getTypeParamListAsWritten())) |
5693 | ToIface->setTypeParamList(*ToPListOrErr); |
5694 | else |
5695 | return ToPListOrErr.takeError(); |
5696 | |
5697 | if (D->isThisDeclarationADefinition()) |
5698 | if (Error Err = ImportDefinition(From: D, To: ToIface)) |
5699 | return std::move(Err); |
5700 | |
5701 | return ToIface; |
5702 | } |
5703 | |
5704 | ExpectedDecl |
5705 | ASTNodeImporter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) { |
5706 | ObjCCategoryDecl *Category; |
5707 | if (Error Err = importInto(To&: Category, From: D->getCategoryDecl())) |
5708 | return std::move(Err); |
5709 | |
5710 | ObjCCategoryImplDecl *ToImpl = Category->getImplementation(); |
5711 | if (!ToImpl) { |
5712 | DeclContext *DC, *LexicalDC; |
5713 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) |
5714 | return std::move(Err); |
5715 | |
5716 | Error Err = Error::success(); |
5717 | auto ToLocation = importChecked(Err, D->getLocation()); |
5718 | auto ToAtStartLoc = importChecked(Err, D->getAtStartLoc()); |
5719 | auto ToCategoryNameLoc = importChecked(Err, From: D->getCategoryNameLoc()); |
5720 | if (Err) |
5721 | return std::move(Err); |
5722 | |
5723 | if (GetImportedOrCreateDecl( |
5724 | ToImpl, D, Importer.getToContext(), DC, |
5725 | Importer.Import(D->getIdentifier()), Category->getClassInterface(), |
5726 | ToLocation, ToAtStartLoc, ToCategoryNameLoc)) |
5727 | return ToImpl; |
5728 | |
5729 | ToImpl->setLexicalDeclContext(LexicalDC); |
5730 | LexicalDC->addDeclInternal(ToImpl); |
5731 | Category->setImplementation(ToImpl); |
5732 | } |
5733 | |
5734 | Importer.MapImported(D, ToImpl); |
5735 | if (Error Err = ImportDeclContext(D)) |
5736 | return std::move(Err); |
5737 | |
5738 | return ToImpl; |
5739 | } |
5740 | |
5741 | ExpectedDecl |
5742 | ASTNodeImporter::VisitObjCImplementationDecl(ObjCImplementationDecl *D) { |
5743 | // Find the corresponding interface. |
5744 | ObjCInterfaceDecl *Iface; |
5745 | if (Error Err = importInto(Iface, D->getClassInterface())) |
5746 | return std::move(Err); |
5747 | |
5748 | // Import the superclass, if any. |
5749 | ObjCInterfaceDecl *Super; |
5750 | if (Error Err = importInto(To&: Super, From: D->getSuperClass())) |
5751 | return std::move(Err); |
5752 | |
5753 | ObjCImplementationDecl *Impl = Iface->getImplementation(); |
5754 | if (!Impl) { |
5755 | // We haven't imported an implementation yet. Create a new @implementation |
5756 | // now. |
5757 | DeclContext *DC, *LexicalDC; |
5758 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) |
5759 | return std::move(Err); |
5760 | |
5761 | Error Err = Error::success(); |
5762 | auto ToLocation = importChecked(Err, D->getLocation()); |
5763 | auto ToAtStartLoc = importChecked(Err, D->getAtStartLoc()); |
5764 | auto ToSuperClassLoc = importChecked(Err, From: D->getSuperClassLoc()); |
5765 | auto ToIvarLBraceLoc = importChecked(Err, From: D->getIvarLBraceLoc()); |
5766 | auto ToIvarRBraceLoc = importChecked(Err, From: D->getIvarRBraceLoc()); |
5767 | if (Err) |
5768 | return std::move(Err); |
5769 | |
5770 | if (GetImportedOrCreateDecl(Impl, D, Importer.getToContext(), |
5771 | DC, Iface, Super, |
5772 | ToLocation, |
5773 | ToAtStartLoc, |
5774 | ToSuperClassLoc, |
5775 | ToIvarLBraceLoc, |
5776 | ToIvarRBraceLoc)) |
5777 | return Impl; |
5778 | |
5779 | Impl->setLexicalDeclContext(LexicalDC); |
5780 | |
5781 | // Associate the implementation with the class it implements. |
5782 | Iface->setImplementation(Impl); |
5783 | Importer.MapImported(D, Iface->getImplementation()); |
5784 | } else { |
5785 | Importer.MapImported(D, Iface->getImplementation()); |
5786 | |
5787 | // Verify that the existing @implementation has the same superclass. |
5788 | if ((Super && !Impl->getSuperClass()) || |
5789 | (!Super && Impl->getSuperClass()) || |
5790 | (Super && Impl->getSuperClass() && |
5791 | !declaresSameEntity(Super->getCanonicalDecl(), |
5792 | Impl->getSuperClass()))) { |
5793 | Importer.ToDiag(Impl->getLocation(), |
5794 | diag::warn_odr_objc_superclass_inconsistent) |
5795 | << Iface->getDeclName(); |
5796 | // FIXME: It would be nice to have the location of the superclass |
5797 | // below. |
5798 | if (Impl->getSuperClass()) |
5799 | Importer.ToDiag(Impl->getLocation(), |
5800 | diag::note_odr_objc_superclass) |
5801 | << Impl->getSuperClass()->getDeclName(); |
5802 | else |
5803 | Importer.ToDiag(Impl->getLocation(), |
5804 | diag::note_odr_objc_missing_superclass); |
5805 | if (D->getSuperClass()) |
5806 | Importer.FromDiag(D->getLocation(), |
5807 | diag::note_odr_objc_superclass) |
5808 | << D->getSuperClass()->getDeclName(); |
5809 | else |
5810 | Importer.FromDiag(D->getLocation(), |
5811 | diag::note_odr_objc_missing_superclass); |
5812 | |
5813 | return make_error<ASTImportError>(Args: ASTImportError::NameConflict); |
5814 | } |
5815 | } |
5816 | |
5817 | // Import all of the members of this @implementation. |
5818 | if (Error Err = ImportDeclContext(D)) |
5819 | return std::move(Err); |
5820 | |
5821 | return Impl; |
5822 | } |
5823 | |
5824 | ExpectedDecl ASTNodeImporter::VisitObjCPropertyDecl(ObjCPropertyDecl *D) { |
5825 | // Import the major distinguishing characteristics of an @property. |
5826 | DeclContext *DC, *LexicalDC; |
5827 | DeclarationName Name; |
5828 | SourceLocation Loc; |
5829 | NamedDecl *ToD; |
5830 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
5831 | return std::move(Err); |
5832 | if (ToD) |
5833 | return ToD; |
5834 | |
5835 | // Check whether we have already imported this property. |
5836 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
5837 | for (auto *FoundDecl : FoundDecls) { |
5838 | if (auto *FoundProp = dyn_cast<ObjCPropertyDecl>(Val: FoundDecl)) { |
5839 | // Instance and class properties can share the same name but are different |
5840 | // declarations. |
5841 | if (FoundProp->isInstanceProperty() != D->isInstanceProperty()) |
5842 | continue; |
5843 | |
5844 | // Check property types. |
5845 | if (!Importer.IsStructurallyEquivalent(From: D->getType(), |
5846 | To: FoundProp->getType())) { |
5847 | Importer.ToDiag(Loc, diag::warn_odr_objc_property_type_inconsistent) |
5848 | << Name << D->getType() << FoundProp->getType(); |
5849 | Importer.ToDiag(FoundProp->getLocation(), diag::note_odr_value_here) |
5850 | << FoundProp->getType(); |
5851 | |
5852 | return make_error<ASTImportError>(Args: ASTImportError::NameConflict); |
5853 | } |
5854 | |
5855 | // FIXME: Check property attributes, getters, setters, etc.? |
5856 | |
5857 | // Consider these properties to be equivalent. |
5858 | Importer.MapImported(D, FoundProp); |
5859 | return FoundProp; |
5860 | } |
5861 | } |
5862 | |
5863 | Error Err = Error::success(); |
5864 | auto ToType = importChecked(Err, From: D->getType()); |
5865 | auto ToTypeSourceInfo = importChecked(Err, From: D->getTypeSourceInfo()); |
5866 | auto ToAtLoc = importChecked(Err, From: D->getAtLoc()); |
5867 | auto ToLParenLoc = importChecked(Err, From: D->getLParenLoc()); |
5868 | if (Err) |
5869 | return std::move(Err); |
5870 | |
5871 | // Create the new property. |
5872 | ObjCPropertyDecl *ToProperty; |
5873 | if (GetImportedOrCreateDecl( |
5874 | ToD&: ToProperty, FromD: D, args&: Importer.getToContext(), args&: DC, args&: Loc, |
5875 | args: Name.getAsIdentifierInfo(), args&: ToAtLoc, |
5876 | args&: ToLParenLoc, args&: ToType, |
5877 | args&: ToTypeSourceInfo, args: D->getPropertyImplementation())) |
5878 | return ToProperty; |
5879 | |
5880 | auto ToGetterName = importChecked(Err, From: D->getGetterName()); |
5881 | auto ToSetterName = importChecked(Err, From: D->getSetterName()); |
5882 | auto ToGetterNameLoc = importChecked(Err, From: D->getGetterNameLoc()); |
5883 | auto ToSetterNameLoc = importChecked(Err, From: D->getSetterNameLoc()); |
5884 | auto ToGetterMethodDecl = importChecked(Err, From: D->getGetterMethodDecl()); |
5885 | auto ToSetterMethodDecl = importChecked(Err, From: D->getSetterMethodDecl()); |
5886 | auto ToPropertyIvarDecl = importChecked(Err, From: D->getPropertyIvarDecl()); |
5887 | if (Err) |
5888 | return std::move(Err); |
5889 | |
5890 | ToProperty->setLexicalDeclContext(LexicalDC); |
5891 | LexicalDC->addDeclInternal(ToProperty); |
5892 | |
5893 | ToProperty->setPropertyAttributes(D->getPropertyAttributes()); |
5894 | ToProperty->setPropertyAttributesAsWritten( |
5895 | D->getPropertyAttributesAsWritten()); |
5896 | ToProperty->setGetterName(Sel: ToGetterName, Loc: ToGetterNameLoc); |
5897 | ToProperty->setSetterName(Sel: ToSetterName, Loc: ToSetterNameLoc); |
5898 | ToProperty->setGetterMethodDecl(ToGetterMethodDecl); |
5899 | ToProperty->setSetterMethodDecl(ToSetterMethodDecl); |
5900 | ToProperty->setPropertyIvarDecl(ToPropertyIvarDecl); |
5901 | return ToProperty; |
5902 | } |
5903 | |
5904 | ExpectedDecl |
5905 | ASTNodeImporter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) { |
5906 | ObjCPropertyDecl *Property; |
5907 | if (Error Err = importInto(To&: Property, From: D->getPropertyDecl())) |
5908 | return std::move(Err); |
5909 | |
5910 | DeclContext *DC, *LexicalDC; |
5911 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) |
5912 | return std::move(Err); |
5913 | |
5914 | auto *InImpl = cast<ObjCImplDecl>(Val: LexicalDC); |
5915 | |
5916 | // Import the ivar (for an @synthesize). |
5917 | ObjCIvarDecl *Ivar = nullptr; |
5918 | if (Error Err = importInto(To&: Ivar, From: D->getPropertyIvarDecl())) |
5919 | return std::move(Err); |
5920 | |
5921 | ObjCPropertyImplDecl *ToImpl |
5922 | = InImpl->FindPropertyImplDecl(propertyId: Property->getIdentifier(), |
5923 | queryKind: Property->getQueryKind()); |
5924 | if (!ToImpl) { |
5925 | |
5926 | Error Err = Error::success(); |
5927 | auto ToBeginLoc = importChecked(Err, From: D->getBeginLoc()); |
5928 | auto ToLocation = importChecked(Err, D->getLocation()); |
5929 | auto ToPropertyIvarDeclLoc = |
5930 | importChecked(Err, From: D->getPropertyIvarDeclLoc()); |
5931 | if (Err) |
5932 | return std::move(Err); |
5933 | |
5934 | if (GetImportedOrCreateDecl(ToImpl, D, Importer.getToContext(), DC, |
5935 | ToBeginLoc, |
5936 | ToLocation, Property, |
5937 | D->getPropertyImplementation(), Ivar, |
5938 | ToPropertyIvarDeclLoc)) |
5939 | return ToImpl; |
5940 | |
5941 | ToImpl->setLexicalDeclContext(LexicalDC); |
5942 | LexicalDC->addDeclInternal(ToImpl); |
5943 | } else { |
5944 | // Check that we have the same kind of property implementation (@synthesize |
5945 | // vs. @dynamic). |
5946 | if (D->getPropertyImplementation() != ToImpl->getPropertyImplementation()) { |
5947 | Importer.ToDiag(ToImpl->getLocation(), |
5948 | diag::warn_odr_objc_property_impl_kind_inconsistent) |
5949 | << Property->getDeclName() |
5950 | << (ToImpl->getPropertyImplementation() |
5951 | == ObjCPropertyImplDecl::Dynamic); |
5952 | Importer.FromDiag(D->getLocation(), |
5953 | diag::note_odr_objc_property_impl_kind) |
5954 | << D->getPropertyDecl()->getDeclName() |
5955 | << (D->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic); |
5956 | |
5957 | return make_error<ASTImportError>(Args: ASTImportError::NameConflict); |
5958 | } |
5959 | |
5960 | // For @synthesize, check that we have the same |
5961 | if (D->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize && |
5962 | Ivar != ToImpl->getPropertyIvarDecl()) { |
5963 | Importer.ToDiag(ToImpl->getPropertyIvarDeclLoc(), |
5964 | diag::warn_odr_objc_synthesize_ivar_inconsistent) |
5965 | << Property->getDeclName() |
5966 | << ToImpl->getPropertyIvarDecl()->getDeclName() |
5967 | << Ivar->getDeclName(); |
5968 | Importer.FromDiag(D->getPropertyIvarDeclLoc(), |
5969 | diag::note_odr_objc_synthesize_ivar_here) |
5970 | << D->getPropertyIvarDecl()->getDeclName(); |
5971 | |
5972 | return make_error<ASTImportError>(Args: ASTImportError::NameConflict); |
5973 | } |
5974 | |
5975 | // Merge the existing implementation with the new implementation. |
5976 | Importer.MapImported(D, ToImpl); |
5977 | } |
5978 | |
5979 | return ToImpl; |
5980 | } |
5981 | |
5982 | ExpectedDecl |
5983 | ASTNodeImporter::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) { |
5984 | // For template arguments, we adopt the translation unit as our declaration |
5985 | // context. This context will be fixed when (during) the actual template |
5986 | // declaration is created. |
5987 | |
5988 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); |
5989 | if (!BeginLocOrErr) |
5990 | return BeginLocOrErr.takeError(); |
5991 | |
5992 | ExpectedSLoc LocationOrErr = import(D->getLocation()); |
5993 | if (!LocationOrErr) |
5994 | return LocationOrErr.takeError(); |
5995 | |
5996 | TemplateTypeParmDecl *ToD = nullptr; |
5997 | if (GetImportedOrCreateDecl( |
5998 | ToD, D, Importer.getToContext(), |
5999 | Importer.getToContext().getTranslationUnitDecl(), |
6000 | *BeginLocOrErr, *LocationOrErr, |
6001 | D->getDepth(), D->getIndex(), Importer.Import(D->getIdentifier()), |
6002 | D->wasDeclaredWithTypename(), D->isParameterPack(), |
6003 | D->hasTypeConstraint())) |
6004 | return ToD; |
6005 | |
6006 | // Import the type-constraint |
6007 | if (const TypeConstraint *TC = D->getTypeConstraint()) { |
6008 | |
6009 | Error Err = Error::success(); |
6010 | auto ToConceptRef = importChecked(Err, From: TC->getConceptReference()); |
6011 | auto ToIDC = importChecked(Err, From: TC->getImmediatelyDeclaredConstraint()); |
6012 | if (Err) |
6013 | return std::move(Err); |
6014 | |
6015 | ToD->setTypeConstraint(CR: ToConceptRef, ImmediatelyDeclaredConstraint: ToIDC, ArgPackSubstIndex: TC->getArgPackSubstIndex()); |
6016 | } |
6017 | |
6018 | if (Error Err = importTemplateParameterDefaultArgument(D, ToD)) |
6019 | return Err; |
6020 | |
6021 | return ToD; |
6022 | } |
6023 | |
6024 | ExpectedDecl |
6025 | ASTNodeImporter::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) { |
6026 | |
6027 | Error Err = Error::success(); |
6028 | auto ToDeclName = importChecked(Err, D->getDeclName()); |
6029 | auto ToLocation = importChecked(Err, D->getLocation()); |
6030 | auto ToType = importChecked(Err, D->getType()); |
6031 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); |
6032 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); |
6033 | if (Err) |
6034 | return std::move(Err); |
6035 | |
6036 | NonTypeTemplateParmDecl *ToD = nullptr; |
6037 | if (GetImportedOrCreateDecl(ToD, D, Importer.getToContext(), |
6038 | Importer.getToContext().getTranslationUnitDecl(), |
6039 | ToInnerLocStart, ToLocation, D->getDepth(), |
6040 | D->getPosition(), |
6041 | ToDeclName.getAsIdentifierInfo(), ToType, |
6042 | D->isParameterPack(), ToTypeSourceInfo)) |
6043 | return ToD; |
6044 | |
6045 | Err = importTemplateParameterDefaultArgument(D, ToD); |
6046 | if (Err) |
6047 | return Err; |
6048 | |
6049 | return ToD; |
6050 | } |
6051 | |
6052 | ExpectedDecl |
6053 | ASTNodeImporter::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) { |
6054 | bool IsCanonical = false; |
6055 | if (auto *CanonD = Importer.getFromContext() |
6056 | .findCanonicalTemplateTemplateParmDeclInternal(TTP: D); |
6057 | CanonD == D) |
6058 | IsCanonical = true; |
6059 | |
6060 | // Import the name of this declaration. |
6061 | auto NameOrErr = import(D->getDeclName()); |
6062 | if (!NameOrErr) |
6063 | return NameOrErr.takeError(); |
6064 | |
6065 | // Import the location of this declaration. |
6066 | ExpectedSLoc LocationOrErr = import(D->getLocation()); |
6067 | if (!LocationOrErr) |
6068 | return LocationOrErr.takeError(); |
6069 | |
6070 | // Import template parameters. |
6071 | auto TemplateParamsOrErr = import(D->getTemplateParameters()); |
6072 | if (!TemplateParamsOrErr) |
6073 | return TemplateParamsOrErr.takeError(); |
6074 | |
6075 | TemplateTemplateParmDecl *ToD = nullptr; |
6076 | if (GetImportedOrCreateDecl( |
6077 | ToD, D, Importer.getToContext(), |
6078 | Importer.getToContext().getTranslationUnitDecl(), *LocationOrErr, |
6079 | D->getDepth(), D->getPosition(), D->isParameterPack(), |
6080 | (*NameOrErr).getAsIdentifierInfo(), D->wasDeclaredWithTypename(), |
6081 | *TemplateParamsOrErr)) |
6082 | return ToD; |
6083 | |
6084 | if (Error Err = importTemplateParameterDefaultArgument(D, ToD)) |
6085 | return Err; |
6086 | |
6087 | if (IsCanonical) |
6088 | return Importer.getToContext() |
6089 | .insertCanonicalTemplateTemplateParmDeclInternal(CanonTTP: ToD); |
6090 | |
6091 | return ToD; |
6092 | } |
6093 | |
6094 | // Returns the definition for a (forward) declaration of a TemplateDecl, if |
6095 | // it has any definition in the redecl chain. |
6096 | template <typename T> static auto getTemplateDefinition(T *D) -> T * { |
6097 | assert(D->getTemplatedDecl() && "Should be called on templates only"); |
6098 | auto *ToTemplatedDef = D->getTemplatedDecl()->getDefinition(); |
6099 | if (!ToTemplatedDef) |
6100 | return nullptr; |
6101 | auto *TemplateWithDef = ToTemplatedDef->getDescribedTemplate(); |
6102 | return cast_or_null<T>(TemplateWithDef); |
6103 | } |
6104 | |
6105 | ExpectedDecl ASTNodeImporter::VisitClassTemplateDecl(ClassTemplateDecl *D) { |
6106 | |
6107 | // Import the major distinguishing characteristics of this class template. |
6108 | DeclContext *DC, *LexicalDC; |
6109 | DeclarationName Name; |
6110 | SourceLocation Loc; |
6111 | NamedDecl *ToD; |
6112 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
6113 | return std::move(Err); |
6114 | if (ToD) |
6115 | return ToD; |
6116 | |
6117 | // Should check if a declaration is friend in a dependent context. |
6118 | // Such templates are not linked together in a declaration chain. |
6119 | // The ASTImporter strategy is to map existing forward declarations to |
6120 | // imported ones only if strictly necessary, otherwise import these as new |
6121 | // forward declarations. In case of the "dependent friend" declarations, new |
6122 | // declarations are created, but not linked in a declaration chain. |
6123 | auto IsDependentFriend = [](ClassTemplateDecl *TD) { |
6124 | return TD->getFriendObjectKind() != Decl::FOK_None && |
6125 | TD->getLexicalDeclContext()->isDependentContext(); |
6126 | }; |
6127 | bool DependentFriend = IsDependentFriend(D); |
6128 | |
6129 | ClassTemplateDecl *FoundByLookup = nullptr; |
6130 | |
6131 | // We may already have a template of the same name; try to find and match it. |
6132 | if (!DC->isFunctionOrMethod()) { |
6133 | SmallVector<NamedDecl *, 4> ConflictingDecls; |
6134 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
6135 | for (auto *FoundDecl : FoundDecls) { |
6136 | if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary | |
6137 | Decl::IDNS_TagFriend)) |
6138 | continue; |
6139 | |
6140 | auto *FoundTemplate = dyn_cast<ClassTemplateDecl>(Val: FoundDecl); |
6141 | if (FoundTemplate) { |
6142 | if (!hasSameVisibilityContextAndLinkage(Found: FoundTemplate, From: D)) |
6143 | continue; |
6144 | |
6145 | // FIXME: sufficient condition for 'IgnoreTemplateParmDepth'? |
6146 | bool IgnoreTemplateParmDepth = |
6147 | (FoundTemplate->getFriendObjectKind() != Decl::FOK_None) != |
6148 | (D->getFriendObjectKind() != Decl::FOK_None); |
6149 | if (IsStructuralMatch(D, FoundTemplate, /*Complain=*/true, |
6150 | IgnoreTemplateParmDepth)) { |
6151 | if (DependentFriend || IsDependentFriend(FoundTemplate)) |
6152 | continue; |
6153 | |
6154 | ClassTemplateDecl *TemplateWithDef = |
6155 | getTemplateDefinition(D: FoundTemplate); |
6156 | if (D->isThisDeclarationADefinition() && TemplateWithDef) |
6157 | return Importer.MapImported(D, TemplateWithDef); |
6158 | if (!FoundByLookup) |
6159 | FoundByLookup = FoundTemplate; |
6160 | // Search in all matches because there may be multiple decl chains, |
6161 | // see ASTTests test ImportExistingFriendClassTemplateDef. |
6162 | continue; |
6163 | } |
6164 | // When importing a friend, it is possible that multiple declarations |
6165 | // with same name can co-exist in specific cases (if a template contains |
6166 | // a friend template and has a specialization). For this case the |
6167 | // declarations should match, except that the "template depth" is |
6168 | // different. No linking of previous declaration is needed in this case. |
6169 | // FIXME: This condition may need refinement. |
6170 | if (D->getFriendObjectKind() != Decl::FOK_None && |
6171 | FoundTemplate->getFriendObjectKind() != Decl::FOK_None && |
6172 | D->getFriendObjectKind() != FoundTemplate->getFriendObjectKind() && |
6173 | IsStructuralMatch(D, FoundTemplate, /*Complain=*/false, |
6174 | /*IgnoreTemplateParmDepth=*/true)) |
6175 | continue; |
6176 | |
6177 | ConflictingDecls.push_back(Elt: FoundDecl); |
6178 | } |
6179 | } |
6180 | |
6181 | if (!ConflictingDecls.empty()) { |
6182 | ExpectedName NameOrErr = Importer.HandleNameConflict( |
6183 | Name, DC, IDNS: Decl::IDNS_Ordinary, Decls: ConflictingDecls.data(), |
6184 | NumDecls: ConflictingDecls.size()); |
6185 | if (NameOrErr) |
6186 | Name = NameOrErr.get(); |
6187 | else |
6188 | return NameOrErr.takeError(); |
6189 | } |
6190 | } |
6191 | |
6192 | CXXRecordDecl *FromTemplated = D->getTemplatedDecl(); |
6193 | |
6194 | auto TemplateParamsOrErr = import(D->getTemplateParameters()); |
6195 | if (!TemplateParamsOrErr) |
6196 | return TemplateParamsOrErr.takeError(); |
6197 | |
6198 | // Create the declaration that is being templated. |
6199 | CXXRecordDecl *ToTemplated; |
6200 | if (Error Err = importInto(To&: ToTemplated, From: FromTemplated)) |
6201 | return std::move(Err); |
6202 | |
6203 | // Create the class template declaration itself. |
6204 | ClassTemplateDecl *D2; |
6205 | if (GetImportedOrCreateDecl(D2, D, Importer.getToContext(), DC, Loc, Name, |
6206 | *TemplateParamsOrErr, ToTemplated)) |
6207 | return D2; |
6208 | |
6209 | ToTemplated->setDescribedClassTemplate(D2); |
6210 | |
6211 | D2->setAccess(D->getAccess()); |
6212 | D2->setLexicalDeclContext(LexicalDC); |
6213 | |
6214 | addDeclToContexts(D, D2); |
6215 | updateLookupTableForTemplateParameters(**TemplateParamsOrErr); |
6216 | |
6217 | if (FoundByLookup) { |
6218 | auto *Recent = |
6219 | const_cast<ClassTemplateDecl *>(FoundByLookup->getMostRecentDecl()); |
6220 | |
6221 | // It is possible that during the import of the class template definition |
6222 | // we start the import of a fwd friend decl of the very same class template |
6223 | // and we add the fwd friend decl to the lookup table. But the ToTemplated |
6224 | // had been created earlier and by that time the lookup could not find |
6225 | // anything existing, so it has no previous decl. Later, (still during the |
6226 | // import of the fwd friend decl) we start to import the definition again |
6227 | // and this time the lookup finds the previous fwd friend class template. |
6228 | // In this case we must set up the previous decl for the templated decl. |
6229 | if (!ToTemplated->getPreviousDecl()) { |
6230 | assert(FoundByLookup->getTemplatedDecl() && |
6231 | "Found decl must have its templated decl set"); |
6232 | CXXRecordDecl *PrevTemplated = |
6233 | FoundByLookup->getTemplatedDecl()->getMostRecentDecl(); |
6234 | if (ToTemplated != PrevTemplated) |
6235 | ToTemplated->setPreviousDecl(PrevTemplated); |
6236 | } |
6237 | |
6238 | D2->setPreviousDecl(Recent); |
6239 | } |
6240 | |
6241 | return D2; |
6242 | } |
6243 | |
6244 | ExpectedDecl ASTNodeImporter::VisitClassTemplateSpecializationDecl( |
6245 | ClassTemplateSpecializationDecl *D) { |
6246 | ClassTemplateDecl *ClassTemplate; |
6247 | if (Error Err = importInto(To&: ClassTemplate, From: D->getSpecializedTemplate())) |
6248 | return std::move(Err); |
6249 | |
6250 | // Import the context of this declaration. |
6251 | DeclContext *DC, *LexicalDC; |
6252 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) |
6253 | return std::move(Err); |
6254 | |
6255 | // Import template arguments. |
6256 | SmallVector<TemplateArgument, 2> TemplateArgs; |
6257 | if (Error Err = |
6258 | ImportTemplateArguments(FromArgs: D->getTemplateArgs().asArray(), ToArgs&: TemplateArgs)) |
6259 | return std::move(Err); |
6260 | // Try to find an existing specialization with these template arguments and |
6261 | // template parameter list. |
6262 | void *InsertPos = nullptr; |
6263 | ClassTemplateSpecializationDecl *PrevDecl = nullptr; |
6264 | ClassTemplatePartialSpecializationDecl *PartialSpec = |
6265 | dyn_cast<ClassTemplatePartialSpecializationDecl>(Val: D); |
6266 | |
6267 | // Import template parameters. |
6268 | TemplateParameterList *ToTPList = nullptr; |
6269 | |
6270 | if (PartialSpec) { |
6271 | auto ToTPListOrErr = import(From: PartialSpec->getTemplateParameters()); |
6272 | if (!ToTPListOrErr) |
6273 | return ToTPListOrErr.takeError(); |
6274 | ToTPList = *ToTPListOrErr; |
6275 | PrevDecl = ClassTemplate->findPartialSpecialization(Args: TemplateArgs, |
6276 | TPL: *ToTPListOrErr, |
6277 | InsertPos); |
6278 | } else |
6279 | PrevDecl = ClassTemplate->findSpecialization(Args: TemplateArgs, InsertPos); |
6280 | |
6281 | if (PrevDecl) { |
6282 | if (IsStructuralMatch(D, PrevDecl)) { |
6283 | CXXRecordDecl *PrevDefinition = PrevDecl->getDefinition(); |
6284 | if (D->isThisDeclarationADefinition() && PrevDefinition) { |
6285 | Importer.MapImported(D, PrevDefinition); |
6286 | // Import those default field initializers which have been |
6287 | // instantiated in the "From" context, but not in the "To" context. |
6288 | for (auto *FromField : D->fields()) { |
6289 | auto ToOrErr = import(FromField); |
6290 | if (!ToOrErr) |
6291 | return ToOrErr.takeError(); |
6292 | } |
6293 | |
6294 | // Import those methods which have been instantiated in the |
6295 | // "From" context, but not in the "To" context. |
6296 | for (CXXMethodDecl *FromM : D->methods()) { |
6297 | auto ToOrErr = import(FromM); |
6298 | if (!ToOrErr) |
6299 | return ToOrErr.takeError(); |
6300 | } |
6301 | |
6302 | // TODO Import instantiated default arguments. |
6303 | // TODO Import instantiated exception specifications. |
6304 | // |
6305 | // Generally, ASTCommon.h/DeclUpdateKind enum gives a very good hint |
6306 | // what else could be fused during an AST merge. |
6307 | return PrevDefinition; |
6308 | } |
6309 | } else { // ODR violation. |
6310 | // FIXME HandleNameConflict |
6311 | return make_error<ASTImportError>(Args: ASTImportError::NameConflict); |
6312 | } |
6313 | } |
6314 | |
6315 | // Import the location of this declaration. |
6316 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); |
6317 | if (!BeginLocOrErr) |
6318 | return BeginLocOrErr.takeError(); |
6319 | ExpectedSLoc IdLocOrErr = import(D->getLocation()); |
6320 | if (!IdLocOrErr) |
6321 | return IdLocOrErr.takeError(); |
6322 | |
6323 | // Import TemplateArgumentListInfo. |
6324 | TemplateArgumentListInfo ToTAInfo; |
6325 | if (const auto *ASTTemplateArgs = D->getTemplateArgsAsWritten()) { |
6326 | if (Error Err = ImportTemplateArgumentListInfo(Container: *ASTTemplateArgs, ToTAInfo)) |
6327 | return std::move(Err); |
6328 | } |
6329 | |
6330 | // Create the specialization. |
6331 | ClassTemplateSpecializationDecl *D2 = nullptr; |
6332 | if (PartialSpec) { |
6333 | QualType CanonInjType; |
6334 | if (Error Err = importInto( |
6335 | To&: CanonInjType, From: PartialSpec->getInjectedSpecializationType())) |
6336 | return std::move(Err); |
6337 | CanonInjType = CanonInjType.getCanonicalType(); |
6338 | |
6339 | if (GetImportedOrCreateDecl<ClassTemplatePartialSpecializationDecl>( |
6340 | D2, D, Importer.getToContext(), D->getTagKind(), DC, *BeginLocOrErr, |
6341 | *IdLocOrErr, ToTPList, ClassTemplate, |
6342 | llvm::ArrayRef(TemplateArgs.data(), TemplateArgs.size()), |
6343 | CanonInjType, |
6344 | cast_or_null<ClassTemplatePartialSpecializationDecl>(Val: PrevDecl))) |
6345 | return D2; |
6346 | |
6347 | // Update InsertPos, because preceding import calls may have invalidated |
6348 | // it by adding new specializations. |
6349 | auto *PartSpec2 = cast<ClassTemplatePartialSpecializationDecl>(Val: D2); |
6350 | if (!ClassTemplate->findPartialSpecialization(Args: TemplateArgs, TPL: ToTPList, |
6351 | InsertPos)) |
6352 | // Add this partial specialization to the class template. |
6353 | ClassTemplate->AddPartialSpecialization(D: PartSpec2, InsertPos); |
6354 | if (Expected<ClassTemplatePartialSpecializationDecl *> ToInstOrErr = |
6355 | import(From: PartialSpec->getInstantiatedFromMember())) |
6356 | PartSpec2->setInstantiatedFromMember(*ToInstOrErr); |
6357 | else |
6358 | return ToInstOrErr.takeError(); |
6359 | |
6360 | updateLookupTableForTemplateParameters(Params&: *ToTPList); |
6361 | } else { // Not a partial specialization. |
6362 | if (GetImportedOrCreateDecl(D2, D, Importer.getToContext(), D->getTagKind(), |
6363 | DC, *BeginLocOrErr, *IdLocOrErr, ClassTemplate, |
6364 | TemplateArgs, D->hasStrictPackMatch(), |
6365 | PrevDecl)) |
6366 | return D2; |
6367 | |
6368 | // Update InsertPos, because preceding import calls may have invalidated |
6369 | // it by adding new specializations. |
6370 | if (!ClassTemplate->findSpecialization(Args: TemplateArgs, InsertPos)) |
6371 | // Add this specialization to the class template. |
6372 | ClassTemplate->AddSpecialization(D: D2, InsertPos); |
6373 | } |
6374 | |
6375 | D2->setSpecializationKind(D->getSpecializationKind()); |
6376 | |
6377 | // Set the context of this specialization/instantiation. |
6378 | D2->setLexicalDeclContext(LexicalDC); |
6379 | |
6380 | // Add to the DC only if it was an explicit specialization/instantiation. |
6381 | if (D2->isExplicitInstantiationOrSpecialization()) { |
6382 | LexicalDC->addDeclInternal(D2); |
6383 | } |
6384 | |
6385 | if (auto BraceRangeOrErr = import(D->getBraceRange())) |
6386 | D2->setBraceRange(*BraceRangeOrErr); |
6387 | else |
6388 | return BraceRangeOrErr.takeError(); |
6389 | |
6390 | if (Error Err = ImportTemplateParameterLists(FromD: D, ToD: D2)) |
6391 | return std::move(Err); |
6392 | |
6393 | // Import the qualifier, if any. |
6394 | if (auto LocOrErr = import(D->getQualifierLoc())) |
6395 | D2->setQualifierInfo(*LocOrErr); |
6396 | else |
6397 | return LocOrErr.takeError(); |
6398 | |
6399 | if (D->getTemplateArgsAsWritten()) |
6400 | D2->setTemplateArgsAsWritten(ToTAInfo); |
6401 | |
6402 | if (auto LocOrErr = import(From: D->getTemplateKeywordLoc())) |
6403 | D2->setTemplateKeywordLoc(*LocOrErr); |
6404 | else |
6405 | return LocOrErr.takeError(); |
6406 | |
6407 | if (auto LocOrErr = import(From: D->getExternKeywordLoc())) |
6408 | D2->setExternKeywordLoc(*LocOrErr); |
6409 | else |
6410 | return LocOrErr.takeError(); |
6411 | |
6412 | if (D->getPointOfInstantiation().isValid()) { |
6413 | if (auto POIOrErr = import(From: D->getPointOfInstantiation())) |
6414 | D2->setPointOfInstantiation(*POIOrErr); |
6415 | else |
6416 | return POIOrErr.takeError(); |
6417 | } |
6418 | |
6419 | D2->setTemplateSpecializationKind(D->getTemplateSpecializationKind()); |
6420 | |
6421 | if (auto P = D->getInstantiatedFrom()) { |
6422 | if (auto *CTD = dyn_cast<ClassTemplateDecl *>(Val&: P)) { |
6423 | if (auto CTDorErr = import(From: CTD)) |
6424 | D2->setInstantiationOf(*CTDorErr); |
6425 | } else { |
6426 | auto *CTPSD = cast<ClassTemplatePartialSpecializationDecl *>(Val&: P); |
6427 | auto CTPSDOrErr = import(From: CTPSD); |
6428 | if (!CTPSDOrErr) |
6429 | return CTPSDOrErr.takeError(); |
6430 | const TemplateArgumentList &DArgs = D->getTemplateInstantiationArgs(); |
6431 | SmallVector<TemplateArgument, 2> D2ArgsVec(DArgs.size()); |
6432 | for (unsigned I = 0; I < DArgs.size(); ++I) { |
6433 | const TemplateArgument &DArg = DArgs[I]; |
6434 | if (auto ArgOrErr = import(From: DArg)) |
6435 | D2ArgsVec[I] = *ArgOrErr; |
6436 | else |
6437 | return ArgOrErr.takeError(); |
6438 | } |
6439 | D2->setInstantiationOf( |
6440 | PartialSpec: *CTPSDOrErr, |
6441 | TemplateArgs: TemplateArgumentList::CreateCopy(Context&: Importer.getToContext(), Args: D2ArgsVec)); |
6442 | } |
6443 | } |
6444 | |
6445 | if (D->isCompleteDefinition()) |
6446 | if (Error Err = ImportDefinition(D, D2)) |
6447 | return std::move(Err); |
6448 | |
6449 | return D2; |
6450 | } |
6451 | |
6452 | ExpectedDecl ASTNodeImporter::VisitVarTemplateDecl(VarTemplateDecl *D) { |
6453 | // Import the major distinguishing characteristics of this variable template. |
6454 | DeclContext *DC, *LexicalDC; |
6455 | DeclarationName Name; |
6456 | SourceLocation Loc; |
6457 | NamedDecl *ToD; |
6458 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
6459 | return std::move(Err); |
6460 | if (ToD) |
6461 | return ToD; |
6462 | |
6463 | // We may already have a template of the same name; try to find and match it. |
6464 | assert(!DC->isFunctionOrMethod() && |
6465 | "Variable templates cannot be declared at function scope"); |
6466 | |
6467 | SmallVector<NamedDecl *, 4> ConflictingDecls; |
6468 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
6469 | VarTemplateDecl *FoundByLookup = nullptr; |
6470 | for (auto *FoundDecl : FoundDecls) { |
6471 | if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary)) |
6472 | continue; |
6473 | |
6474 | if (VarTemplateDecl *FoundTemplate = dyn_cast<VarTemplateDecl>(Val: FoundDecl)) { |
6475 | // Use the templated decl, some linkage flags are set only there. |
6476 | if (!hasSameVisibilityContextAndLinkage(Found: FoundTemplate->getTemplatedDecl(), |
6477 | From: D->getTemplatedDecl())) |
6478 | continue; |
6479 | if (IsStructuralMatch(D, FoundTemplate)) { |
6480 | // FIXME Check for ODR error if the two definitions have |
6481 | // different initializers? |
6482 | VarTemplateDecl *FoundDef = getTemplateDefinition(D: FoundTemplate); |
6483 | if (D->getDeclContext()->isRecord()) { |
6484 | assert(FoundTemplate->getDeclContext()->isRecord() && |
6485 | "Member variable template imported as non-member, " |
6486 | "inconsistent imported AST?"); |
6487 | if (FoundDef) |
6488 | return Importer.MapImported(D, FoundDef); |
6489 | if (!D->isThisDeclarationADefinition()) |
6490 | return Importer.MapImported(D, FoundTemplate); |
6491 | } else { |
6492 | if (FoundDef && D->isThisDeclarationADefinition()) |
6493 | return Importer.MapImported(D, FoundDef); |
6494 | } |
6495 | FoundByLookup = FoundTemplate; |
6496 | break; |
6497 | } |
6498 | ConflictingDecls.push_back(Elt: FoundDecl); |
6499 | } |
6500 | } |
6501 | |
6502 | if (!ConflictingDecls.empty()) { |
6503 | ExpectedName NameOrErr = Importer.HandleNameConflict( |
6504 | Name, DC, IDNS: Decl::IDNS_Ordinary, Decls: ConflictingDecls.data(), |
6505 | NumDecls: ConflictingDecls.size()); |
6506 | if (NameOrErr) |
6507 | Name = NameOrErr.get(); |
6508 | else |
6509 | return NameOrErr.takeError(); |
6510 | } |
6511 | |
6512 | VarDecl *DTemplated = D->getTemplatedDecl(); |
6513 | |
6514 | // Import the type. |
6515 | // FIXME: Value not used? |
6516 | ExpectedType TypeOrErr = import(DTemplated->getType()); |
6517 | if (!TypeOrErr) |
6518 | return TypeOrErr.takeError(); |
6519 | |
6520 | // Create the declaration that is being templated. |
6521 | VarDecl *ToTemplated; |
6522 | if (Error Err = importInto(To&: ToTemplated, From: DTemplated)) |
6523 | return std::move(Err); |
6524 | |
6525 | // Create the variable template declaration itself. |
6526 | auto TemplateParamsOrErr = import(D->getTemplateParameters()); |
6527 | if (!TemplateParamsOrErr) |
6528 | return TemplateParamsOrErr.takeError(); |
6529 | |
6530 | VarTemplateDecl *ToVarTD; |
6531 | if (GetImportedOrCreateDecl(ToVarTD, D, Importer.getToContext(), DC, Loc, |
6532 | Name, *TemplateParamsOrErr, ToTemplated)) |
6533 | return ToVarTD; |
6534 | |
6535 | ToTemplated->setDescribedVarTemplate(ToVarTD); |
6536 | |
6537 | ToVarTD->setAccess(D->getAccess()); |
6538 | ToVarTD->setLexicalDeclContext(LexicalDC); |
6539 | LexicalDC->addDeclInternal(ToVarTD); |
6540 | if (DC != Importer.getToContext().getTranslationUnitDecl()) |
6541 | updateLookupTableForTemplateParameters(**TemplateParamsOrErr); |
6542 | |
6543 | if (FoundByLookup) { |
6544 | auto *Recent = |
6545 | const_cast<VarTemplateDecl *>(FoundByLookup->getMostRecentDecl()); |
6546 | if (!ToTemplated->getPreviousDecl()) { |
6547 | auto *PrevTemplated = |
6548 | FoundByLookup->getTemplatedDecl()->getMostRecentDecl(); |
6549 | if (ToTemplated != PrevTemplated) |
6550 | ToTemplated->setPreviousDecl(PrevTemplated); |
6551 | } |
6552 | ToVarTD->setPreviousDecl(Recent); |
6553 | } |
6554 | |
6555 | return ToVarTD; |
6556 | } |
6557 | |
6558 | ExpectedDecl ASTNodeImporter::VisitVarTemplateSpecializationDecl( |
6559 | VarTemplateSpecializationDecl *D) { |
6560 | // A VarTemplateSpecializationDecl inherits from VarDecl, the import is done |
6561 | // in an analog way (but specialized for this case). |
6562 | |
6563 | SmallVector<Decl *, 2> Redecls = getCanonicalForwardRedeclChain(D); |
6564 | auto RedeclIt = Redecls.begin(); |
6565 | // Import the first part of the decl chain. I.e. import all previous |
6566 | // declarations starting from the canonical decl. |
6567 | for (; RedeclIt != Redecls.end() && *RedeclIt != D; ++RedeclIt) { |
6568 | ExpectedDecl RedeclOrErr = import(*RedeclIt); |
6569 | if (!RedeclOrErr) |
6570 | return RedeclOrErr.takeError(); |
6571 | } |
6572 | assert(*RedeclIt == D); |
6573 | |
6574 | VarTemplateDecl *VarTemplate = nullptr; |
6575 | if (Error Err = importInto(To&: VarTemplate, From: D->getSpecializedTemplate())) |
6576 | return std::move(Err); |
6577 | |
6578 | // Import the context of this declaration. |
6579 | DeclContext *DC, *LexicalDC; |
6580 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) |
6581 | return std::move(Err); |
6582 | |
6583 | // Import the location of this declaration. |
6584 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); |
6585 | if (!BeginLocOrErr) |
6586 | return BeginLocOrErr.takeError(); |
6587 | |
6588 | auto IdLocOrErr = import(D->getLocation()); |
6589 | if (!IdLocOrErr) |
6590 | return IdLocOrErr.takeError(); |
6591 | |
6592 | // Import template arguments. |
6593 | SmallVector<TemplateArgument, 2> TemplateArgs; |
6594 | if (Error Err = |
6595 | ImportTemplateArguments(FromArgs: D->getTemplateArgs().asArray(), ToArgs&: TemplateArgs)) |
6596 | return std::move(Err); |
6597 | |
6598 | // Try to find an existing specialization with these template arguments. |
6599 | void *InsertPos = nullptr; |
6600 | VarTemplateSpecializationDecl *FoundSpecialization = |
6601 | VarTemplate->findSpecialization(Args: TemplateArgs, InsertPos); |
6602 | if (FoundSpecialization) { |
6603 | if (IsStructuralMatch(D, FoundSpecialization)) { |
6604 | VarDecl *FoundDef = FoundSpecialization->getDefinition(); |
6605 | if (D->getDeclContext()->isRecord()) { |
6606 | // In a record, it is allowed only to have one optional declaration and |
6607 | // one definition of the (static or constexpr) variable template. |
6608 | assert( |
6609 | FoundSpecialization->getDeclContext()->isRecord() && |
6610 | "Member variable template specialization imported as non-member, " |
6611 | "inconsistent imported AST?"); |
6612 | if (FoundDef) |
6613 | return Importer.MapImported(D, FoundDef); |
6614 | if (!D->isThisDeclarationADefinition()) |
6615 | return Importer.MapImported(D, FoundSpecialization); |
6616 | } else { |
6617 | // If definition is imported and there is already one, map to it. |
6618 | // Otherwise create a new variable and link it to the existing. |
6619 | if (FoundDef && D->isThisDeclarationADefinition()) |
6620 | return Importer.MapImported(D, FoundDef); |
6621 | } |
6622 | } else { |
6623 | return make_error<ASTImportError>(Args: ASTImportError::NameConflict); |
6624 | } |
6625 | } |
6626 | |
6627 | VarTemplateSpecializationDecl *D2 = nullptr; |
6628 | |
6629 | TemplateArgumentListInfo ToTAInfo; |
6630 | if (const auto *Args = D->getTemplateArgsAsWritten()) { |
6631 | if (Error Err = ImportTemplateArgumentListInfo(Container: *Args, ToTAInfo)) |
6632 | return std::move(Err); |
6633 | } |
6634 | |
6635 | using PartVarSpecDecl = VarTemplatePartialSpecializationDecl; |
6636 | // Create a new specialization. |
6637 | if (auto *FromPartial = dyn_cast<PartVarSpecDecl>(Val: D)) { |
6638 | auto ToTPListOrErr = import(From: FromPartial->getTemplateParameters()); |
6639 | if (!ToTPListOrErr) |
6640 | return ToTPListOrErr.takeError(); |
6641 | |
6642 | PartVarSpecDecl *ToPartial; |
6643 | if (GetImportedOrCreateDecl(ToPartial, D, Importer.getToContext(), DC, |
6644 | *BeginLocOrErr, *IdLocOrErr, *ToTPListOrErr, |
6645 | VarTemplate, QualType(), nullptr, |
6646 | D->getStorageClass(), TemplateArgs)) |
6647 | return ToPartial; |
6648 | |
6649 | if (Expected<PartVarSpecDecl *> ToInstOrErr = |
6650 | import(From: FromPartial->getInstantiatedFromMember())) |
6651 | ToPartial->setInstantiatedFromMember(*ToInstOrErr); |
6652 | else |
6653 | return ToInstOrErr.takeError(); |
6654 | |
6655 | if (FromPartial->isMemberSpecialization()) |
6656 | ToPartial->setMemberSpecialization(); |
6657 | |
6658 | D2 = ToPartial; |
6659 | |
6660 | // FIXME: Use this update if VarTemplatePartialSpecializationDecl is fixed |
6661 | // to adopt template parameters. |
6662 | // updateLookupTableForTemplateParameters(**ToTPListOrErr); |
6663 | } else { // Full specialization |
6664 | if (GetImportedOrCreateDecl(D2, D, Importer.getToContext(), DC, |
6665 | *BeginLocOrErr, *IdLocOrErr, VarTemplate, |
6666 | QualType(), nullptr, D->getStorageClass(), |
6667 | TemplateArgs)) |
6668 | return D2; |
6669 | } |
6670 | |
6671 | // Update InsertPos, because preceding import calls may have invalidated |
6672 | // it by adding new specializations. |
6673 | if (!VarTemplate->findSpecialization(Args: TemplateArgs, InsertPos)) |
6674 | VarTemplate->AddSpecialization(D: D2, InsertPos); |
6675 | |
6676 | QualType T; |
6677 | if (Error Err = importInto(T, D->getType())) |
6678 | return std::move(Err); |
6679 | D2->setType(T); |
6680 | |
6681 | auto TInfoOrErr = import(D->getTypeSourceInfo()); |
6682 | if (!TInfoOrErr) |
6683 | return TInfoOrErr.takeError(); |
6684 | D2->setTypeSourceInfo(*TInfoOrErr); |
6685 | |
6686 | if (D->getPointOfInstantiation().isValid()) { |
6687 | if (ExpectedSLoc POIOrErr = import(From: D->getPointOfInstantiation())) |
6688 | D2->setPointOfInstantiation(*POIOrErr); |
6689 | else |
6690 | return POIOrErr.takeError(); |
6691 | } |
6692 | |
6693 | D2->setSpecializationKind(D->getSpecializationKind()); |
6694 | |
6695 | if (D->getTemplateArgsAsWritten()) |
6696 | D2->setTemplateArgsAsWritten(ToTAInfo); |
6697 | |
6698 | if (auto LocOrErr = import(D->getQualifierLoc())) |
6699 | D2->setQualifierInfo(*LocOrErr); |
6700 | else |
6701 | return LocOrErr.takeError(); |
6702 | |
6703 | if (D->isConstexpr()) |
6704 | D2->setConstexpr(true); |
6705 | |
6706 | D2->setAccess(D->getAccess()); |
6707 | |
6708 | if (Error Err = ImportInitializer(D, D2)) |
6709 | return std::move(Err); |
6710 | |
6711 | if (FoundSpecialization) |
6712 | D2->setPreviousDecl(FoundSpecialization->getMostRecentDecl()); |
6713 | |
6714 | addDeclToContexts(D, D2); |
6715 | |
6716 | // Import the rest of the chain. I.e. import all subsequent declarations. |
6717 | for (++RedeclIt; RedeclIt != Redecls.end(); ++RedeclIt) { |
6718 | ExpectedDecl RedeclOrErr = import(*RedeclIt); |
6719 | if (!RedeclOrErr) |
6720 | return RedeclOrErr.takeError(); |
6721 | } |
6722 | |
6723 | return D2; |
6724 | } |
6725 | |
6726 | ExpectedDecl |
6727 | ASTNodeImporter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { |
6728 | DeclContext *DC, *LexicalDC; |
6729 | DeclarationName Name; |
6730 | SourceLocation Loc; |
6731 | NamedDecl *ToD; |
6732 | |
6733 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) |
6734 | return std::move(Err); |
6735 | |
6736 | if (ToD) |
6737 | return ToD; |
6738 | |
6739 | const FunctionTemplateDecl *FoundByLookup = nullptr; |
6740 | |
6741 | // Try to find a function in our own ("to") context with the same name, same |
6742 | // type, and in the same context as the function we're importing. |
6743 | // FIXME Split this into a separate function. |
6744 | if (!LexicalDC->isFunctionOrMethod()) { |
6745 | unsigned IDNS = Decl::IDNS_Ordinary | Decl::IDNS_OrdinaryFriend; |
6746 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); |
6747 | for (auto *FoundDecl : FoundDecls) { |
6748 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) |
6749 | continue; |
6750 | |
6751 | if (auto *FoundTemplate = dyn_cast<FunctionTemplateDecl>(Val: FoundDecl)) { |
6752 | if (!hasSameVisibilityContextAndLinkage(Found: FoundTemplate, From: D)) |
6753 | continue; |
6754 | if (IsStructuralMatch(D, FoundTemplate)) { |
6755 | FunctionTemplateDecl *TemplateWithDef = |
6756 | getTemplateDefinition(D: FoundTemplate); |
6757 | if (D->isThisDeclarationADefinition() && TemplateWithDef) |
6758 | return Importer.MapImported(D, TemplateWithDef); |
6759 | |
6760 | FoundByLookup = FoundTemplate; |
6761 | break; |
6762 | // TODO: handle conflicting names |
6763 | } |
6764 | } |
6765 | } |
6766 | } |
6767 | |
6768 | auto ParamsOrErr = import(D->getTemplateParameters()); |
6769 | if (!ParamsOrErr) |
6770 | return ParamsOrErr.takeError(); |
6771 | TemplateParameterList *Params = *ParamsOrErr; |
6772 | |
6773 | FunctionDecl *TemplatedFD; |
6774 | if (Error Err = importInto(To&: TemplatedFD, From: D->getTemplatedDecl())) |
6775 | return std::move(Err); |
6776 | |
6777 | // At creation of the template the template parameters are "adopted" |
6778 | // (DeclContext is changed). After this possible change the lookup table |
6779 | // must be updated. |
6780 | // At deduction guides the DeclContext of the template parameters may be |
6781 | // different from what we would expect, it may be the class template, or a |
6782 | // probably different CXXDeductionGuideDecl. This may come from the fact that |
6783 | // the template parameter objects may be shared between deduction guides or |
6784 | // the class template, and at creation of multiple FunctionTemplateDecl |
6785 | // objects (for deduction guides) the same parameters are re-used. The |
6786 | // "adoption" happens multiple times with different parent, even recursively |
6787 | // for TemplateTemplateParmDecl. The same happens at import when the |
6788 | // FunctionTemplateDecl objects are created, but in different order. |
6789 | // In this way the DeclContext of these template parameters is not necessarily |
6790 | // the same as in the "from" context. |
6791 | SmallVector<DeclContext *, 2> OldParamDC; |
6792 | OldParamDC.reserve(N: Params->size()); |
6793 | llvm::transform(Range&: *Params, d_first: std::back_inserter(x&: OldParamDC), |
6794 | F: [](NamedDecl *ND) { return ND->getDeclContext(); }); |
6795 | |
6796 | FunctionTemplateDecl *ToFunc; |
6797 | if (GetImportedOrCreateDecl(ToD&: ToFunc, FromD: D, args&: Importer.getToContext(), args&: DC, args&: Loc, args&: Name, |
6798 | args&: Params, args&: TemplatedFD)) |
6799 | return ToFunc; |
6800 | |
6801 | // Fail if TemplatedFD is already part of a template. |
6802 | // The template should have been found by structural equivalence check before, |
6803 | // or ToFunc should be already imported. |
6804 | // If not, there is AST incompatibility that can be caused by previous import |
6805 | // errors. (NameConflict is not exact here.) |
6806 | if (TemplatedFD->getDescribedTemplate()) |
6807 | return make_error<ASTImportError>(Args: ASTImportError::NameConflict); |
6808 | |
6809 | TemplatedFD->setDescribedFunctionTemplate(ToFunc); |
6810 | |
6811 | ToFunc->setAccess(D->getAccess()); |
6812 | ToFunc->setLexicalDeclContext(LexicalDC); |
6813 | addDeclToContexts(D, ToFunc); |
6814 | |
6815 | ASTImporterLookupTable *LT = Importer.SharedState->getLookupTable(); |
6816 | if (LT && !OldParamDC.empty()) { |
6817 | for (unsigned int I = 0; I < OldParamDC.size(); ++I) |
6818 | LT->updateForced(ND: Params->getParam(Idx: I), OldDC: OldParamDC[I]); |
6819 | } |
6820 | |
6821 | if (FoundByLookup) { |
6822 | auto *Recent = |
6823 | const_cast<FunctionTemplateDecl *>(FoundByLookup->getMostRecentDecl()); |
6824 | if (!TemplatedFD->getPreviousDecl()) { |
6825 | assert(FoundByLookup->getTemplatedDecl() && |
6826 | "Found decl must have its templated decl set"); |
6827 | auto *PrevTemplated = |
6828 | FoundByLookup->getTemplatedDecl()->getMostRecentDecl(); |
6829 | if (TemplatedFD != PrevTemplated) |
6830 | TemplatedFD->setPreviousDecl(PrevTemplated); |
6831 | } |
6832 | ToFunc->setPreviousDecl(Recent); |
6833 | } |
6834 | |
6835 | return ToFunc; |
6836 | } |
6837 | |
6838 | //---------------------------------------------------------------------------- |
6839 | // Import Statements |
6840 | //---------------------------------------------------------------------------- |
6841 | |
6842 | ExpectedStmt ASTNodeImporter::VisitStmt(Stmt *S) { |
6843 | Importer.FromDiag(S->getBeginLoc(), diag::err_unsupported_ast_node) |
6844 | << S->getStmtClassName(); |
6845 | return make_error<ASTImportError>(Args: ASTImportError::UnsupportedConstruct); |
6846 | } |
6847 | |
6848 | |
6849 | ExpectedStmt ASTNodeImporter::VisitGCCAsmStmt(GCCAsmStmt *S) { |
6850 | if (Importer.returnWithErrorInTest()) |
6851 | return make_error<ASTImportError>(Args: ASTImportError::UnsupportedConstruct); |
6852 | SmallVector<IdentifierInfo *, 4> Names; |
6853 | for (unsigned I = 0, E = S->getNumOutputs(); I != E; I++) { |
6854 | IdentifierInfo *ToII = Importer.Import(FromId: S->getOutputIdentifier(i: I)); |
6855 | // ToII is nullptr when no symbolic name is given for output operand |
6856 | // see ParseStmtAsm::ParseAsmOperandsOpt |
6857 | Names.push_back(Elt: ToII); |
6858 | } |
6859 | |
6860 | for (unsigned I = 0, E = S->getNumInputs(); I != E; I++) { |
6861 | IdentifierInfo *ToII = Importer.Import(FromId: S->getInputIdentifier(i: I)); |
6862 | // ToII is nullptr when no symbolic name is given for input operand |
6863 | // see ParseStmtAsm::ParseAsmOperandsOpt |
6864 | Names.push_back(Elt: ToII); |
6865 | } |
6866 | |
6867 | SmallVector<Expr *, 4> Clobbers; |
6868 | for (unsigned I = 0, E = S->getNumClobbers(); I != E; I++) { |
6869 | if (auto ClobberOrErr = import(From: S->getClobberExpr(i: I))) |
6870 | Clobbers.push_back(Elt: *ClobberOrErr); |
6871 | else |
6872 | return ClobberOrErr.takeError(); |
6873 | |
6874 | } |
6875 | |
6876 | SmallVector<Expr *, 4> Constraints; |
6877 | for (unsigned I = 0, E = S->getNumOutputs(); I != E; I++) { |
6878 | if (auto OutputOrErr = import(From: S->getOutputConstraintExpr(i: I))) |
6879 | Constraints.push_back(Elt: *OutputOrErr); |
6880 | else |
6881 | return OutputOrErr.takeError(); |
6882 | } |
6883 | |
6884 | for (unsigned I = 0, E = S->getNumInputs(); I != E; I++) { |
6885 | if (auto InputOrErr = import(From: S->getInputConstraintExpr(i: I))) |
6886 | Constraints.push_back(Elt: *InputOrErr); |
6887 | else |
6888 | return InputOrErr.takeError(); |
6889 | } |
6890 | |
6891 | SmallVector<Expr *, 4> Exprs(S->getNumOutputs() + S->getNumInputs() + |
6892 | S->getNumLabels()); |
6893 | if (Error Err = ImportContainerChecked(S->outputs(), Exprs)) |
6894 | return std::move(Err); |
6895 | |
6896 | if (Error Err = |
6897 | ImportArrayChecked(S->inputs(), Exprs.begin() + S->getNumOutputs())) |
6898 | return std::move(Err); |
6899 | |
6900 | if (Error Err = ImportArrayChecked( |
6901 | S->labels(), Exprs.begin() + S->getNumOutputs() + S->getNumInputs())) |
6902 | return std::move(Err); |
6903 | |
6904 | ExpectedSLoc AsmLocOrErr = import(From: S->getAsmLoc()); |
6905 | if (!AsmLocOrErr) |
6906 | return AsmLocOrErr.takeError(); |
6907 | auto AsmStrOrErr = import(From: S->getAsmStringExpr()); |
6908 | if (!AsmStrOrErr) |
6909 | return AsmStrOrErr.takeError(); |
6910 | ExpectedSLoc RParenLocOrErr = import(From: S->getRParenLoc()); |
6911 | if (!RParenLocOrErr) |
6912 | return RParenLocOrErr.takeError(); |
6913 | |
6914 | return new (Importer.getToContext()) GCCAsmStmt( |
6915 | Importer.getToContext(), |
6916 | *AsmLocOrErr, |
6917 | S->isSimple(), |
6918 | S->isVolatile(), |
6919 | S->getNumOutputs(), |
6920 | S->getNumInputs(), |
6921 | Names.data(), |
6922 | Constraints.data(), |
6923 | Exprs.data(), |
6924 | *AsmStrOrErr, |
6925 | S->getNumClobbers(), |
6926 | Clobbers.data(), |
6927 | S->getNumLabels(), |
6928 | *RParenLocOrErr); |
6929 | } |
6930 | |
6931 | ExpectedStmt ASTNodeImporter::VisitDeclStmt(DeclStmt *S) { |
6932 | |
6933 | Error Err = Error::success(); |
6934 | auto ToDG = importChecked(Err, From: S->getDeclGroup()); |
6935 | auto ToBeginLoc = importChecked(Err, From: S->getBeginLoc()); |
6936 | auto ToEndLoc = importChecked(Err, From: S->getEndLoc()); |
6937 | if (Err) |
6938 | return std::move(Err); |
6939 | return new (Importer.getToContext()) DeclStmt(ToDG, ToBeginLoc, ToEndLoc); |
6940 | } |
6941 | |
6942 | ExpectedStmt ASTNodeImporter::VisitNullStmt(NullStmt *S) { |
6943 | ExpectedSLoc ToSemiLocOrErr = import(From: S->getSemiLoc()); |
6944 | if (!ToSemiLocOrErr) |
6945 | return ToSemiLocOrErr.takeError(); |
6946 | return new (Importer.getToContext()) NullStmt( |
6947 | *ToSemiLocOrErr, S->hasLeadingEmptyMacro()); |
6948 | } |
6949 | |
6950 | ExpectedStmt ASTNodeImporter::VisitCompoundStmt(CompoundStmt *S) { |
6951 | SmallVector<Stmt *, 8> ToStmts(S->size()); |
6952 | |
6953 | if (Error Err = ImportContainerChecked(InContainer: S->body(), OutContainer&: ToStmts)) |
6954 | return std::move(Err); |
6955 | |
6956 | ExpectedSLoc ToLBracLocOrErr = import(From: S->getLBracLoc()); |
6957 | if (!ToLBracLocOrErr) |
6958 | return ToLBracLocOrErr.takeError(); |
6959 | |
6960 | ExpectedSLoc ToRBracLocOrErr = import(From: S->getRBracLoc()); |
6961 | if (!ToRBracLocOrErr) |
6962 | return ToRBracLocOrErr.takeError(); |
6963 | |
6964 | FPOptionsOverride FPO = |
6965 | S->hasStoredFPFeatures() ? S->getStoredFPFeatures() : FPOptionsOverride(); |
6966 | return CompoundStmt::Create(C: Importer.getToContext(), Stmts: ToStmts, FPFeatures: FPO, |
6967 | LB: *ToLBracLocOrErr, RB: *ToRBracLocOrErr); |
6968 | } |
6969 | |
6970 | ExpectedStmt ASTNodeImporter::VisitCaseStmt(CaseStmt *S) { |
6971 | |
6972 | Error Err = Error::success(); |
6973 | auto ToLHS = importChecked(Err, From: S->getLHS()); |
6974 | auto ToRHS = importChecked(Err, From: S->getRHS()); |
6975 | auto ToSubStmt = importChecked(Err, From: S->getSubStmt()); |
6976 | auto ToCaseLoc = importChecked(Err, From: S->getCaseLoc()); |
6977 | auto ToEllipsisLoc = importChecked(Err, From: S->getEllipsisLoc()); |
6978 | auto ToColonLoc = importChecked(Err, S->getColonLoc()); |
6979 | if (Err) |
6980 | return std::move(Err); |
6981 | |
6982 | auto *ToStmt = CaseStmt::Create(Ctx: Importer.getToContext(), lhs: ToLHS, rhs: ToRHS, |
6983 | caseLoc: ToCaseLoc, ellipsisLoc: ToEllipsisLoc, colonLoc: ToColonLoc); |
6984 | ToStmt->setSubStmt(ToSubStmt); |
6985 | |
6986 | return ToStmt; |
6987 | } |
6988 | |
6989 | ExpectedStmt ASTNodeImporter::VisitDefaultStmt(DefaultStmt *S) { |
6990 | |
6991 | Error Err = Error::success(); |
6992 | auto ToDefaultLoc = importChecked(Err, From: S->getDefaultLoc()); |
6993 | auto ToColonLoc = importChecked(Err, From: S->getColonLoc()); |
6994 | auto ToSubStmt = importChecked(Err, From: S->getSubStmt()); |
6995 | if (Err) |
6996 | return std::move(Err); |
6997 | |
6998 | return new (Importer.getToContext()) DefaultStmt( |
6999 | ToDefaultLoc, ToColonLoc, ToSubStmt); |
7000 | } |
7001 | |
7002 | ExpectedStmt ASTNodeImporter::VisitLabelStmt(LabelStmt *S) { |
7003 | |
7004 | Error Err = Error::success(); |
7005 | auto ToIdentLoc = importChecked(Err, From: S->getIdentLoc()); |
7006 | auto ToLabelDecl = importChecked(Err, From: S->getDecl()); |
7007 | auto ToSubStmt = importChecked(Err, From: S->getSubStmt()); |
7008 | if (Err) |
7009 | return std::move(Err); |
7010 | |
7011 | return new (Importer.getToContext()) LabelStmt( |
7012 | ToIdentLoc, ToLabelDecl, ToSubStmt); |
7013 | } |
7014 | |
7015 | ExpectedStmt ASTNodeImporter::VisitAttributedStmt(AttributedStmt *S) { |
7016 | ExpectedSLoc ToAttrLocOrErr = import(From: S->getAttrLoc()); |
7017 | if (!ToAttrLocOrErr) |
7018 | return ToAttrLocOrErr.takeError(); |
7019 | ArrayRef<const Attr*> FromAttrs(S->getAttrs()); |
7020 | SmallVector<const Attr *, 1> ToAttrs(FromAttrs.size()); |
7021 | if (Error Err = ImportContainerChecked(InContainer: FromAttrs, OutContainer&: ToAttrs)) |
7022 | return std::move(Err); |
7023 | ExpectedStmt ToSubStmtOrErr = import(From: S->getSubStmt()); |
7024 | if (!ToSubStmtOrErr) |
7025 | return ToSubStmtOrErr.takeError(); |
7026 | |
7027 | return AttributedStmt::Create( |
7028 | C: Importer.getToContext(), Loc: *ToAttrLocOrErr, Attrs: ToAttrs, SubStmt: *ToSubStmtOrErr); |
7029 | } |
7030 | |
7031 | ExpectedStmt ASTNodeImporter::VisitIfStmt(IfStmt *S) { |
7032 | |
7033 | Error Err = Error::success(); |
7034 | auto ToIfLoc = importChecked(Err, From: S->getIfLoc()); |
7035 | auto ToInit = importChecked(Err, From: S->getInit()); |
7036 | auto ToConditionVariable = importChecked(Err, From: S->getConditionVariable()); |
7037 | auto ToCond = importChecked(Err, From: S->getCond()); |
7038 | auto ToLParenLoc = importChecked(Err, From: S->getLParenLoc()); |
7039 | auto ToRParenLoc = importChecked(Err, From: S->getRParenLoc()); |
7040 | auto ToThen = importChecked(Err, From: S->getThen()); |
7041 | auto ToElseLoc = importChecked(Err, From: S->getElseLoc()); |
7042 | auto ToElse = importChecked(Err, From: S->getElse()); |
7043 | if (Err) |
7044 | return std::move(Err); |
7045 | |
7046 | return IfStmt::Create(Ctx: Importer.getToContext(), IL: ToIfLoc, Kind: S->getStatementKind(), |
7047 | Init: ToInit, Var: ToConditionVariable, Cond: ToCond, LPL: ToLParenLoc, |
7048 | RPL: ToRParenLoc, Then: ToThen, EL: ToElseLoc, Else: ToElse); |
7049 | } |
7050 | |
7051 | ExpectedStmt ASTNodeImporter::VisitSwitchStmt(SwitchStmt *S) { |
7052 | |
7053 | Error Err = Error::success(); |
7054 | auto ToInit = importChecked(Err, From: S->getInit()); |
7055 | auto ToConditionVariable = importChecked(Err, From: S->getConditionVariable()); |
7056 | auto ToCond = importChecked(Err, From: S->getCond()); |
7057 | auto ToLParenLoc = importChecked(Err, From: S->getLParenLoc()); |
7058 | auto ToRParenLoc = importChecked(Err, From: S->getRParenLoc()); |
7059 | auto ToBody = importChecked(Err, From: S->getBody()); |
7060 | auto ToSwitchLoc = importChecked(Err, From: S->getSwitchLoc()); |
7061 | if (Err) |
7062 | return std::move(Err); |
7063 | |
7064 | auto *ToStmt = |
7065 | SwitchStmt::Create(Ctx: Importer.getToContext(), Init: ToInit, Var: ToConditionVariable, |
7066 | Cond: ToCond, LParenLoc: ToLParenLoc, RParenLoc: ToRParenLoc); |
7067 | ToStmt->setBody(ToBody); |
7068 | ToStmt->setSwitchLoc(ToSwitchLoc); |
7069 | |
7070 | // Now we have to re-chain the cases. |
7071 | SwitchCase *LastChainedSwitchCase = nullptr; |
7072 | for (SwitchCase *SC = S->getSwitchCaseList(); SC != nullptr; |
7073 | SC = SC->getNextSwitchCase()) { |
7074 | Expected<SwitchCase *> ToSCOrErr = import(From: SC); |
7075 | if (!ToSCOrErr) |
7076 | return ToSCOrErr.takeError(); |
7077 | if (LastChainedSwitchCase) |
7078 | LastChainedSwitchCase->setNextSwitchCase(*ToSCOrErr); |
7079 | else |
7080 | ToStmt->setSwitchCaseList(*ToSCOrErr); |
7081 | LastChainedSwitchCase = *ToSCOrErr; |
7082 | } |
7083 | |
7084 | return ToStmt; |
7085 | } |
7086 | |
7087 | ExpectedStmt ASTNodeImporter::VisitWhileStmt(WhileStmt *S) { |
7088 | |
7089 | Error Err = Error::success(); |
7090 | auto ToConditionVariable = importChecked(Err, From: S->getConditionVariable()); |
7091 | auto ToCond = importChecked(Err, From: S->getCond()); |
7092 | auto ToBody = importChecked(Err, From: S->getBody()); |
7093 | auto ToWhileLoc = importChecked(Err, From: S->getWhileLoc()); |
7094 | auto ToLParenLoc = importChecked(Err, From: S->getLParenLoc()); |
7095 | auto ToRParenLoc = importChecked(Err, From: S->getRParenLoc()); |
7096 | if (Err) |
7097 | return std::move(Err); |
7098 | |
7099 | return WhileStmt::Create(Ctx: Importer.getToContext(), Var: ToConditionVariable, Cond: ToCond, |
7100 | Body: ToBody, WL: ToWhileLoc, LParenLoc: ToLParenLoc, RParenLoc: ToRParenLoc); |
7101 | } |
7102 | |
7103 | ExpectedStmt ASTNodeImporter::VisitDoStmt(DoStmt *S) { |
7104 | |
7105 | Error Err = Error::success(); |
7106 | auto ToBody = importChecked(Err, From: S->getBody()); |
7107 | auto ToCond = importChecked(Err, From: S->getCond()); |
7108 | auto ToDoLoc = importChecked(Err, From: S->getDoLoc()); |
7109 | auto ToWhileLoc = importChecked(Err, From: S->getWhileLoc()); |
7110 | auto ToRParenLoc = importChecked(Err, From: S->getRParenLoc()); |
7111 | if (Err) |
7112 | return std::move(Err); |
7113 | |
7114 | return new (Importer.getToContext()) DoStmt( |
7115 | ToBody, ToCond, ToDoLoc, ToWhileLoc, ToRParenLoc); |
7116 | } |
7117 | |
7118 | ExpectedStmt ASTNodeImporter::VisitForStmt(ForStmt *S) { |
7119 | |
7120 | Error Err = Error::success(); |
7121 | auto ToInit = importChecked(Err, From: S->getInit()); |
7122 | auto ToCond = importChecked(Err, From: S->getCond()); |
7123 | auto ToConditionVariable = importChecked(Err, From: S->getConditionVariable()); |
7124 | auto ToInc = importChecked(Err, From: S->getInc()); |
7125 | auto ToBody = importChecked(Err, From: S->getBody()); |
7126 | auto ToForLoc = importChecked(Err, From: S->getForLoc()); |
7127 | auto ToLParenLoc = importChecked(Err, From: S->getLParenLoc()); |
7128 | auto ToRParenLoc = importChecked(Err, From: S->getRParenLoc()); |
7129 | if (Err) |
7130 | return std::move(Err); |
7131 | |
7132 | return new (Importer.getToContext()) ForStmt( |
7133 | Importer.getToContext(), |
7134 | ToInit, ToCond, ToConditionVariable, ToInc, ToBody, ToForLoc, ToLParenLoc, |
7135 | ToRParenLoc); |
7136 | } |
7137 | |
7138 | ExpectedStmt ASTNodeImporter::VisitGotoStmt(GotoStmt *S) { |
7139 | |
7140 | Error Err = Error::success(); |
7141 | auto ToLabel = importChecked(Err, From: S->getLabel()); |
7142 | auto ToGotoLoc = importChecked(Err, From: S->getGotoLoc()); |
7143 | auto ToLabelLoc = importChecked(Err, From: S->getLabelLoc()); |
7144 | if (Err) |
7145 | return std::move(Err); |
7146 | |
7147 | return new (Importer.getToContext()) GotoStmt( |
7148 | ToLabel, ToGotoLoc, ToLabelLoc); |
7149 | } |
7150 | |
7151 | ExpectedStmt ASTNodeImporter::VisitIndirectGotoStmt(IndirectGotoStmt *S) { |
7152 | |
7153 | Error Err = Error::success(); |
7154 | auto ToGotoLoc = importChecked(Err, From: S->getGotoLoc()); |
7155 | auto ToStarLoc = importChecked(Err, From: S->getStarLoc()); |
7156 | auto ToTarget = importChecked(Err, From: S->getTarget()); |
7157 | if (Err) |
7158 | return std::move(Err); |
7159 | |
7160 | return new (Importer.getToContext()) IndirectGotoStmt( |
7161 | ToGotoLoc, ToStarLoc, ToTarget); |
7162 | } |
7163 | |
7164 | ExpectedStmt ASTNodeImporter::VisitContinueStmt(ContinueStmt *S) { |
7165 | ExpectedSLoc ToContinueLocOrErr = import(From: S->getContinueLoc()); |
7166 | if (!ToContinueLocOrErr) |
7167 | return ToContinueLocOrErr.takeError(); |
7168 | return new (Importer.getToContext()) ContinueStmt(*ToContinueLocOrErr); |
7169 | } |
7170 | |
7171 | ExpectedStmt ASTNodeImporter::VisitBreakStmt(BreakStmt *S) { |
7172 | auto ToBreakLocOrErr = import(From: S->getBreakLoc()); |
7173 | if (!ToBreakLocOrErr) |
7174 | return ToBreakLocOrErr.takeError(); |
7175 | return new (Importer.getToContext()) BreakStmt(*ToBreakLocOrErr); |
7176 | } |
7177 | |
7178 | ExpectedStmt ASTNodeImporter::VisitReturnStmt(ReturnStmt *S) { |
7179 | |
7180 | Error Err = Error::success(); |
7181 | auto ToReturnLoc = importChecked(Err, From: S->getReturnLoc()); |
7182 | auto ToRetValue = importChecked(Err, From: S->getRetValue()); |
7183 | auto ToNRVOCandidate = importChecked(Err, From: S->getNRVOCandidate()); |
7184 | if (Err) |
7185 | return std::move(Err); |
7186 | |
7187 | return ReturnStmt::Create(Ctx: Importer.getToContext(), RL: ToReturnLoc, E: ToRetValue, |
7188 | NRVOCandidate: ToNRVOCandidate); |
7189 | } |
7190 | |
7191 | ExpectedStmt ASTNodeImporter::VisitCXXCatchStmt(CXXCatchStmt *S) { |
7192 | |
7193 | Error Err = Error::success(); |
7194 | auto ToCatchLoc = importChecked(Err, From: S->getCatchLoc()); |
7195 | auto ToExceptionDecl = importChecked(Err, From: S->getExceptionDecl()); |
7196 | auto ToHandlerBlock = importChecked(Err, From: S->getHandlerBlock()); |
7197 | if (Err) |
7198 | return std::move(Err); |
7199 | |
7200 | return new (Importer.getToContext()) CXXCatchStmt ( |
7201 | ToCatchLoc, ToExceptionDecl, ToHandlerBlock); |
7202 | } |
7203 | |
7204 | ExpectedStmt ASTNodeImporter::VisitCXXTryStmt(CXXTryStmt *S) { |
7205 | ExpectedSLoc ToTryLocOrErr = import(From: S->getTryLoc()); |
7206 | if (!ToTryLocOrErr) |
7207 | return ToTryLocOrErr.takeError(); |
7208 | |
7209 | ExpectedStmt ToTryBlockOrErr = import(From: S->getTryBlock()); |
7210 | if (!ToTryBlockOrErr) |
7211 | return ToTryBlockOrErr.takeError(); |
7212 | |
7213 | SmallVector<Stmt *, 1> ToHandlers(S->getNumHandlers()); |
7214 | for (unsigned HI = 0, HE = S->getNumHandlers(); HI != HE; ++HI) { |
7215 | CXXCatchStmt *FromHandler = S->getHandler(i: HI); |
7216 | if (auto ToHandlerOrErr = import(From: FromHandler)) |
7217 | ToHandlers[HI] = *ToHandlerOrErr; |
7218 | else |
7219 | return ToHandlerOrErr.takeError(); |
7220 | } |
7221 | |
7222 | return CXXTryStmt::Create(C: Importer.getToContext(), tryLoc: *ToTryLocOrErr, |
7223 | tryBlock: cast<CompoundStmt>(Val: *ToTryBlockOrErr), handlers: ToHandlers); |
7224 | } |
7225 | |
7226 | ExpectedStmt ASTNodeImporter::VisitCXXForRangeStmt(CXXForRangeStmt *S) { |
7227 | |
7228 | Error Err = Error::success(); |
7229 | auto ToInit = importChecked(Err, From: S->getInit()); |
7230 | auto ToRangeStmt = importChecked(Err, From: S->getRangeStmt()); |
7231 | auto ToBeginStmt = importChecked(Err, From: S->getBeginStmt()); |
7232 | auto ToEndStmt = importChecked(Err, From: S->getEndStmt()); |
7233 | auto ToCond = importChecked(Err, From: S->getCond()); |
7234 | auto ToInc = importChecked(Err, From: S->getInc()); |
7235 | auto ToLoopVarStmt = importChecked(Err, From: S->getLoopVarStmt()); |
7236 | auto ToBody = importChecked(Err, From: S->getBody()); |
7237 | auto ToForLoc = importChecked(Err, From: S->getForLoc()); |
7238 | auto ToCoawaitLoc = importChecked(Err, From: S->getCoawaitLoc()); |
7239 | auto ToColonLoc = importChecked(Err, From: S->getColonLoc()); |
7240 | auto ToRParenLoc = importChecked(Err, From: S->getRParenLoc()); |
7241 | if (Err) |
7242 | return std::move(Err); |
7243 | |
7244 | return new (Importer.getToContext()) CXXForRangeStmt( |
7245 | ToInit, ToRangeStmt, ToBeginStmt, ToEndStmt, ToCond, ToInc, ToLoopVarStmt, |
7246 | ToBody, ToForLoc, ToCoawaitLoc, ToColonLoc, ToRParenLoc); |
7247 | } |
7248 | |
7249 | ExpectedStmt |
7250 | ASTNodeImporter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) { |
7251 | Error Err = Error::success(); |
7252 | auto ToElement = importChecked(Err, From: S->getElement()); |
7253 | auto ToCollection = importChecked(Err, From: S->getCollection()); |
7254 | auto ToBody = importChecked(Err, From: S->getBody()); |
7255 | auto ToForLoc = importChecked(Err, From: S->getForLoc()); |
7256 | auto ToRParenLoc = importChecked(Err, From: S->getRParenLoc()); |
7257 | if (Err) |
7258 | return std::move(Err); |
7259 | |
7260 | return new (Importer.getToContext()) ObjCForCollectionStmt(ToElement, |
7261 | ToCollection, |
7262 | ToBody, |
7263 | ToForLoc, |
7264 | ToRParenLoc); |
7265 | } |
7266 | |
7267 | ExpectedStmt ASTNodeImporter::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) { |
7268 | |
7269 | Error Err = Error::success(); |
7270 | auto ToAtCatchLoc = importChecked(Err, From: S->getAtCatchLoc()); |
7271 | auto ToRParenLoc = importChecked(Err, From: S->getRParenLoc()); |
7272 | auto ToCatchParamDecl = importChecked(Err, From: S->getCatchParamDecl()); |
7273 | auto ToCatchBody = importChecked(Err, From: S->getCatchBody()); |
7274 | if (Err) |
7275 | return std::move(Err); |
7276 | |
7277 | return new (Importer.getToContext()) ObjCAtCatchStmt ( |
7278 | ToAtCatchLoc, ToRParenLoc, ToCatchParamDecl, ToCatchBody); |
7279 | } |
7280 | |
7281 | ExpectedStmt ASTNodeImporter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) { |
7282 | ExpectedSLoc ToAtFinallyLocOrErr = import(From: S->getAtFinallyLoc()); |
7283 | if (!ToAtFinallyLocOrErr) |
7284 | return ToAtFinallyLocOrErr.takeError(); |
7285 | ExpectedStmt ToAtFinallyStmtOrErr = import(From: S->getFinallyBody()); |
7286 | if (!ToAtFinallyStmtOrErr) |
7287 | return ToAtFinallyStmtOrErr.takeError(); |
7288 | return new (Importer.getToContext()) ObjCAtFinallyStmt(*ToAtFinallyLocOrErr, |
7289 | *ToAtFinallyStmtOrErr); |
7290 | } |
7291 | |
7292 | ExpectedStmt ASTNodeImporter::VisitObjCAtTryStmt(ObjCAtTryStmt *S) { |
7293 | |
7294 | Error Err = Error::success(); |
7295 | auto ToAtTryLoc = importChecked(Err, From: S->getAtTryLoc()); |
7296 | auto ToTryBody = importChecked(Err, From: S->getTryBody()); |
7297 | auto ToFinallyStmt = importChecked(Err, From: S->getFinallyStmt()); |
7298 | if (Err) |
7299 | return std::move(Err); |
7300 | |
7301 | SmallVector<Stmt *, 1> ToCatchStmts(S->getNumCatchStmts()); |
7302 | for (unsigned CI = 0, CE = S->getNumCatchStmts(); CI != CE; ++CI) { |
7303 | ObjCAtCatchStmt *FromCatchStmt = S->getCatchStmt(I: CI); |
7304 | if (ExpectedStmt ToCatchStmtOrErr = import(From: FromCatchStmt)) |
7305 | ToCatchStmts[CI] = *ToCatchStmtOrErr; |
7306 | else |
7307 | return ToCatchStmtOrErr.takeError(); |
7308 | } |
7309 | |
7310 | return ObjCAtTryStmt::Create(Context: Importer.getToContext(), |
7311 | atTryLoc: ToAtTryLoc, atTryStmt: ToTryBody, |
7312 | CatchStmts: ToCatchStmts.begin(), NumCatchStmts: ToCatchStmts.size(), |
7313 | atFinallyStmt: ToFinallyStmt); |
7314 | } |
7315 | |
7316 | ExpectedStmt |
7317 | ASTNodeImporter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) { |
7318 | |
7319 | Error Err = Error::success(); |
7320 | auto ToAtSynchronizedLoc = importChecked(Err, From: S->getAtSynchronizedLoc()); |
7321 | auto ToSynchExpr = importChecked(Err, From: S->getSynchExpr()); |
7322 | auto ToSynchBody = importChecked(Err, From: S->getSynchBody()); |
7323 | if (Err) |
7324 | return std::move(Err); |
7325 | |
7326 | return new (Importer.getToContext()) ObjCAtSynchronizedStmt( |
7327 | ToAtSynchronizedLoc, ToSynchExpr, ToSynchBody); |
7328 | } |
7329 | |
7330 | ExpectedStmt ASTNodeImporter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) { |
7331 | ExpectedSLoc ToThrowLocOrErr = import(From: S->getThrowLoc()); |
7332 | if (!ToThrowLocOrErr) |
7333 | return ToThrowLocOrErr.takeError(); |
7334 | ExpectedExpr ToThrowExprOrErr = import(From: S->getThrowExpr()); |
7335 | if (!ToThrowExprOrErr) |
7336 | return ToThrowExprOrErr.takeError(); |
7337 | return new (Importer.getToContext()) ObjCAtThrowStmt( |
7338 | *ToThrowLocOrErr, *ToThrowExprOrErr); |
7339 | } |
7340 | |
7341 | ExpectedStmt ASTNodeImporter::VisitObjCAutoreleasePoolStmt( |
7342 | ObjCAutoreleasePoolStmt *S) { |
7343 | ExpectedSLoc ToAtLocOrErr = import(From: S->getAtLoc()); |
7344 | if (!ToAtLocOrErr) |
7345 | return ToAtLocOrErr.takeError(); |
7346 | ExpectedStmt ToSubStmtOrErr = import(From: S->getSubStmt()); |
7347 | if (!ToSubStmtOrErr) |
7348 | return ToSubStmtOrErr.takeError(); |
7349 | return new (Importer.getToContext()) ObjCAutoreleasePoolStmt(*ToAtLocOrErr, |
7350 | *ToSubStmtOrErr); |
7351 | } |
7352 | |
7353 | //---------------------------------------------------------------------------- |
7354 | // Import Expressions |
7355 | //---------------------------------------------------------------------------- |
7356 | ExpectedStmt ASTNodeImporter::VisitExpr(Expr *E) { |
7357 | Importer.FromDiag(E->getBeginLoc(), diag::err_unsupported_ast_node) |
7358 | << E->getStmtClassName(); |
7359 | return make_error<ASTImportError>(Args: ASTImportError::UnsupportedConstruct); |
7360 | } |
7361 | |
7362 | ExpectedStmt ASTNodeImporter::VisitSourceLocExpr(SourceLocExpr *E) { |
7363 | Error Err = Error::success(); |
7364 | auto ToType = importChecked(Err, E->getType()); |
7365 | auto BLoc = importChecked(Err, From: E->getBeginLoc()); |
7366 | auto RParenLoc = importChecked(Err, From: E->getEndLoc()); |
7367 | if (Err) |
7368 | return std::move(Err); |
7369 | auto ParentContextOrErr = Importer.ImportContext(FromDC: E->getParentContext()); |
7370 | if (!ParentContextOrErr) |
7371 | return ParentContextOrErr.takeError(); |
7372 | |
7373 | return new (Importer.getToContext()) |
7374 | SourceLocExpr(Importer.getToContext(), E->getIdentKind(), ToType, BLoc, |
7375 | RParenLoc, *ParentContextOrErr); |
7376 | } |
7377 | |
7378 | ExpectedStmt ASTNodeImporter::VisitVAArgExpr(VAArgExpr *E) { |
7379 | |
7380 | Error Err = Error::success(); |
7381 | auto ToBuiltinLoc = importChecked(Err, From: E->getBuiltinLoc()); |
7382 | auto ToSubExpr = importChecked(Err, From: E->getSubExpr()); |
7383 | auto ToWrittenTypeInfo = importChecked(Err, From: E->getWrittenTypeInfo()); |
7384 | auto ToRParenLoc = importChecked(Err, From: E->getRParenLoc()); |
7385 | auto ToType = importChecked(Err, E->getType()); |
7386 | if (Err) |
7387 | return std::move(Err); |
7388 | |
7389 | return new (Importer.getToContext()) VAArgExpr( |
7390 | ToBuiltinLoc, ToSubExpr, ToWrittenTypeInfo, ToRParenLoc, ToType, |
7391 | E->isMicrosoftABI()); |
7392 | } |
7393 | |
7394 | ExpectedStmt ASTNodeImporter::VisitChooseExpr(ChooseExpr *E) { |
7395 | |
7396 | Error Err = Error::success(); |
7397 | auto ToCond = importChecked(Err, From: E->getCond()); |
7398 | auto ToLHS = importChecked(Err, From: E->getLHS()); |
7399 | auto ToRHS = importChecked(Err, From: E->getRHS()); |
7400 | auto ToBuiltinLoc = importChecked(Err, From: E->getBuiltinLoc()); |
7401 | auto ToRParenLoc = importChecked(Err, From: E->getRParenLoc()); |
7402 | auto ToType = importChecked(Err, E->getType()); |
7403 | if (Err) |
7404 | return std::move(Err); |
7405 | |
7406 | ExprValueKind VK = E->getValueKind(); |
7407 | ExprObjectKind OK = E->getObjectKind(); |
7408 | |
7409 | // The value of CondIsTrue only matters if the value is not |
7410 | // condition-dependent. |
7411 | bool CondIsTrue = !E->isConditionDependent() && E->isConditionTrue(); |
7412 | |
7413 | return new (Importer.getToContext()) |
7414 | ChooseExpr(ToBuiltinLoc, ToCond, ToLHS, ToRHS, ToType, VK, OK, |
7415 | ToRParenLoc, CondIsTrue); |
7416 | } |
7417 | |
7418 | ExpectedStmt ASTNodeImporter::VisitConvertVectorExpr(ConvertVectorExpr *E) { |
7419 | Error Err = Error::success(); |
7420 | auto *ToSrcExpr = importChecked(Err, From: E->getSrcExpr()); |
7421 | auto ToRParenLoc = importChecked(Err, From: E->getRParenLoc()); |
7422 | auto ToBuiltinLoc = importChecked(Err, From: E->getBuiltinLoc()); |
7423 | auto ToType = importChecked(Err, E->getType()); |
7424 | auto *ToTSI = importChecked(Err, From: E->getTypeSourceInfo()); |
7425 | if (Err) |
7426 | return std::move(Err); |
7427 | |
7428 | return ConvertVectorExpr::Create( |
7429 | C: Importer.getToContext(), SrcExpr: ToSrcExpr, TI: ToTSI, DstType: ToType, VK: E->getValueKind(), |
7430 | OK: E->getObjectKind(), BuiltinLoc: ToBuiltinLoc, RParenLoc: ToRParenLoc, |
7431 | FPFeatures: E->getStoredFPFeaturesOrDefault()); |
7432 | } |
7433 | |
7434 | ExpectedStmt ASTNodeImporter::VisitShuffleVectorExpr(ShuffleVectorExpr *E) { |
7435 | Error Err = Error::success(); |
7436 | auto ToRParenLoc = importChecked(Err, From: E->getRParenLoc()); |
7437 | auto ToBeginLoc = importChecked(Err, From: E->getBeginLoc()); |
7438 | auto ToType = importChecked(Err, E->getType()); |
7439 | const unsigned NumSubExprs = E->getNumSubExprs(); |
7440 | |
7441 | llvm::SmallVector<Expr *, 8> ToSubExprs; |
7442 | llvm::ArrayRef<Expr *> FromSubExprs(E->getSubExprs(), NumSubExprs); |
7443 | ToSubExprs.resize(N: NumSubExprs); |
7444 | |
7445 | if ((Err = ImportContainerChecked(InContainer: FromSubExprs, OutContainer&: ToSubExprs))) |
7446 | return std::move(Err); |
7447 | |
7448 | return new (Importer.getToContext()) ShuffleVectorExpr( |
7449 | Importer.getToContext(), ToSubExprs, ToType, ToBeginLoc, ToRParenLoc); |
7450 | } |
7451 | |
7452 | ExpectedStmt ASTNodeImporter::VisitGNUNullExpr(GNUNullExpr *E) { |
7453 | ExpectedType TypeOrErr = import(E->getType()); |
7454 | if (!TypeOrErr) |
7455 | return TypeOrErr.takeError(); |
7456 | |
7457 | ExpectedSLoc BeginLocOrErr = import(From: E->getBeginLoc()); |
7458 | if (!BeginLocOrErr) |
7459 | return BeginLocOrErr.takeError(); |
7460 | |
7461 | return new (Importer.getToContext()) GNUNullExpr(*TypeOrErr, *BeginLocOrErr); |
7462 | } |
7463 | |
7464 | ExpectedStmt |
7465 | ASTNodeImporter::VisitGenericSelectionExpr(GenericSelectionExpr *E) { |
7466 | Error Err = Error::success(); |
7467 | auto ToGenericLoc = importChecked(Err, From: E->getGenericLoc()); |
7468 | Expr *ToControllingExpr = nullptr; |
7469 | TypeSourceInfo *ToControllingType = nullptr; |
7470 | if (E->isExprPredicate()) |
7471 | ToControllingExpr = importChecked(Err, From: E->getControllingExpr()); |
7472 | else |
7473 | ToControllingType = importChecked(Err, From: E->getControllingType()); |
7474 | assert((ToControllingExpr || ToControllingType) && |
7475 | "Either the controlling expr or type must be nonnull"); |
7476 | auto ToDefaultLoc = importChecked(Err, From: E->getDefaultLoc()); |
7477 | auto ToRParenLoc = importChecked(Err, From: E->getRParenLoc()); |
7478 | if (Err) |
7479 | return std::move(Err); |
7480 | |
7481 | ArrayRef<const TypeSourceInfo *> FromAssocTypes(E->getAssocTypeSourceInfos()); |
7482 | SmallVector<TypeSourceInfo *, 1> ToAssocTypes(FromAssocTypes.size()); |
7483 | if (Error Err = ImportContainerChecked(InContainer: FromAssocTypes, OutContainer&: ToAssocTypes)) |
7484 | return std::move(Err); |
7485 | |
7486 | ArrayRef<const Expr *> FromAssocExprs(E->getAssocExprs()); |
7487 | SmallVector<Expr *, 1> ToAssocExprs(FromAssocExprs.size()); |
7488 | if (Error Err = ImportContainerChecked(InContainer: FromAssocExprs, OutContainer&: ToAssocExprs)) |
7489 | return std::move(Err); |
7490 | |
7491 | const ASTContext &ToCtx = Importer.getToContext(); |
7492 | if (E->isResultDependent()) { |
7493 | if (ToControllingExpr) { |
7494 | return GenericSelectionExpr::Create( |
7495 | ToCtx, ToGenericLoc, ToControllingExpr, llvm::ArrayRef(ToAssocTypes), |
7496 | llvm::ArrayRef(ToAssocExprs), ToDefaultLoc, ToRParenLoc, |
7497 | E->containsUnexpandedParameterPack()); |
7498 | } |
7499 | return GenericSelectionExpr::Create( |
7500 | ToCtx, ToGenericLoc, ToControllingType, llvm::ArrayRef(ToAssocTypes), |
7501 | llvm::ArrayRef(ToAssocExprs), ToDefaultLoc, ToRParenLoc, |
7502 | E->containsUnexpandedParameterPack()); |
7503 | } |
7504 | |
7505 | if (ToControllingExpr) { |
7506 | return GenericSelectionExpr::Create( |
7507 | ToCtx, ToGenericLoc, ToControllingExpr, llvm::ArrayRef(ToAssocTypes), |
7508 | llvm::ArrayRef(ToAssocExprs), ToDefaultLoc, ToRParenLoc, |
7509 | E->containsUnexpandedParameterPack(), E->getResultIndex()); |
7510 | } |
7511 | return GenericSelectionExpr::Create( |
7512 | ToCtx, ToGenericLoc, ToControllingType, llvm::ArrayRef(ToAssocTypes), |
7513 | llvm::ArrayRef(ToAssocExprs), ToDefaultLoc, ToRParenLoc, |
7514 | E->containsUnexpandedParameterPack(), E->getResultIndex()); |
7515 | } |
7516 | |
7517 | ExpectedStmt ASTNodeImporter::VisitPredefinedExpr(PredefinedExpr *E) { |
7518 | |
7519 | Error Err = Error::success(); |
7520 | auto ToBeginLoc = importChecked(Err, From: E->getBeginLoc()); |
7521 | auto ToType = importChecked(Err, E->getType()); |
7522 | auto ToFunctionName = importChecked(Err, From: E->getFunctionName()); |
7523 | if (Err) |
7524 | return std::move(Err); |
7525 | |
7526 | return PredefinedExpr::Create(Ctx: Importer.getToContext(), L: ToBeginLoc, FNTy: ToType, |
7527 | IK: E->getIdentKind(), IsTransparent: E->isTransparent(), |
7528 | SL: ToFunctionName); |
7529 | } |
7530 | |
7531 | ExpectedStmt ASTNodeImporter::VisitDeclRefExpr(DeclRefExpr *E) { |
7532 | |
7533 | Error Err = Error::success(); |
7534 | auto ToQualifierLoc = importChecked(Err, From: E->getQualifierLoc()); |
7535 | auto ToTemplateKeywordLoc = importChecked(Err, From: E->getTemplateKeywordLoc()); |
7536 | auto ToDecl = importChecked(Err, From: E->getDecl()); |
7537 | auto ToLocation = importChecked(Err, From: E->getLocation()); |
7538 | auto ToType = importChecked(Err, E->getType()); |
7539 | if (Err) |
7540 | return std::move(Err); |
7541 | |
7542 | NamedDecl *ToFoundD = nullptr; |
7543 | if (E->getDecl() != E->getFoundDecl()) { |
7544 | auto FoundDOrErr = import(From: E->getFoundDecl()); |
7545 | if (!FoundDOrErr) |
7546 | return FoundDOrErr.takeError(); |
7547 | ToFoundD = *FoundDOrErr; |
7548 | } |
7549 | |
7550 | TemplateArgumentListInfo ToTAInfo; |
7551 | TemplateArgumentListInfo *ToResInfo = nullptr; |
7552 | if (E->hasExplicitTemplateArgs()) { |
7553 | if (Error Err = |
7554 | ImportTemplateArgumentListInfo(FromLAngleLoc: E->getLAngleLoc(), FromRAngleLoc: E->getRAngleLoc(), |
7555 | Container: E->template_arguments(), Result&: ToTAInfo)) |
7556 | return std::move(Err); |
7557 | ToResInfo = &ToTAInfo; |
7558 | } |
7559 | |
7560 | auto *ToE = DeclRefExpr::Create( |
7561 | Importer.getToContext(), ToQualifierLoc, ToTemplateKeywordLoc, ToDecl, |
7562 | E->refersToEnclosingVariableOrCapture(), ToLocation, ToType, |
7563 | E->getValueKind(), ToFoundD, ToResInfo, E->isNonOdrUse()); |
7564 | if (E->hadMultipleCandidates()) |
7565 | ToE->setHadMultipleCandidates(true); |
7566 | ToE->setIsImmediateEscalating(E->isImmediateEscalating()); |
7567 | return ToE; |
7568 | } |
7569 | |
7570 | ExpectedStmt ASTNodeImporter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) { |
7571 | ExpectedType TypeOrErr = import(E->getType()); |
7572 | if (!TypeOrErr) |
7573 | return TypeOrErr.takeError(); |
7574 | |
7575 | return new (Importer.getToContext()) ImplicitValueInitExpr(*TypeOrErr); |
7576 | } |
7577 | |
7578 | ExpectedStmt ASTNodeImporter::VisitDesignatedInitExpr(DesignatedInitExpr *E) { |
7579 | ExpectedExpr ToInitOrErr = import(From: E->getInit()); |
7580 | if (!ToInitOrErr) |
7581 | return ToInitOrErr.takeError(); |
7582 | |
7583 | ExpectedSLoc ToEqualOrColonLocOrErr = import(From: E->getEqualOrColonLoc()); |
7584 | if (!ToEqualOrColonLocOrErr) |
7585 | return ToEqualOrColonLocOrErr.takeError(); |
7586 | |
7587 | SmallVector<Expr *, 4> ToIndexExprs(E->getNumSubExprs() - 1); |
7588 | // List elements from the second, the first is Init itself |
7589 | for (unsigned I = 1, N = E->getNumSubExprs(); I < N; I++) { |
7590 | if (ExpectedExpr ToArgOrErr = import(From: E->getSubExpr(Idx: I))) |
7591 | ToIndexExprs[I - 1] = *ToArgOrErr; |
7592 | else |
7593 | return ToArgOrErr.takeError(); |
7594 | } |
7595 | |
7596 | SmallVector<Designator, 4> ToDesignators(E->size()); |
7597 | if (Error Err = ImportContainerChecked(InContainer: E->designators(), OutContainer&: ToDesignators)) |
7598 | return std::move(Err); |
7599 | |
7600 | return DesignatedInitExpr::Create( |
7601 | C: Importer.getToContext(), Designators: ToDesignators, |
7602 | IndexExprs: ToIndexExprs, EqualOrColonLoc: *ToEqualOrColonLocOrErr, |
7603 | GNUSyntax: E->usesGNUSyntax(), Init: *ToInitOrErr); |
7604 | } |
7605 | |
7606 | ExpectedStmt |
7607 | ASTNodeImporter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) { |
7608 | ExpectedType ToTypeOrErr = import(E->getType()); |
7609 | if (!ToTypeOrErr) |
7610 | return ToTypeOrErr.takeError(); |
7611 | |
7612 | ExpectedSLoc ToLocationOrErr = import(From: E->getLocation()); |
7613 | if (!ToLocationOrErr) |
7614 | return ToLocationOrErr.takeError(); |
7615 | |
7616 | return new (Importer.getToContext()) CXXNullPtrLiteralExpr( |
7617 | *ToTypeOrErr, *ToLocationOrErr); |
7618 | } |
7619 | |
7620 | ExpectedStmt ASTNodeImporter::VisitIntegerLiteral(IntegerLiteral *E) { |
7621 | ExpectedType ToTypeOrErr = import(E->getType()); |
7622 | if (!ToTypeOrErr) |
7623 | return ToTypeOrErr.takeError(); |
7624 | |
7625 | ExpectedSLoc ToLocationOrErr = import(From: E->getLocation()); |
7626 | if (!ToLocationOrErr) |
7627 | return ToLocationOrErr.takeError(); |
7628 | |
7629 | return IntegerLiteral::Create( |
7630 | Importer.getToContext(), E->getValue(), *ToTypeOrErr, *ToLocationOrErr); |
7631 | } |
7632 | |
7633 | |
7634 | ExpectedStmt ASTNodeImporter::VisitFloatingLiteral(FloatingLiteral *E) { |
7635 | ExpectedType ToTypeOrErr = import(E->getType()); |
7636 | if (!ToTypeOrErr) |
7637 | return ToTypeOrErr.takeError(); |
7638 | |
7639 | ExpectedSLoc ToLocationOrErr = import(From: E->getLocation()); |
7640 | if (!ToLocationOrErr) |
7641 | return ToLocationOrErr.takeError(); |
7642 | |
7643 | return FloatingLiteral::Create( |
7644 | C: Importer.getToContext(), V: E->getValue(), isexact: E->isExact(), |
7645 | Type: *ToTypeOrErr, L: *ToLocationOrErr); |
7646 | } |
7647 | |
7648 | ExpectedStmt ASTNodeImporter::VisitImaginaryLiteral(ImaginaryLiteral *E) { |
7649 | auto ToTypeOrErr = import(E->getType()); |
7650 | if (!ToTypeOrErr) |
7651 | return ToTypeOrErr.takeError(); |
7652 | |
7653 | ExpectedExpr ToSubExprOrErr = import(From: E->getSubExpr()); |
7654 | if (!ToSubExprOrErr) |
7655 | return ToSubExprOrErr.takeError(); |
7656 | |
7657 | return new (Importer.getToContext()) ImaginaryLiteral( |
7658 | *ToSubExprOrErr, *ToTypeOrErr); |
7659 | } |
7660 | |
7661 | ExpectedStmt ASTNodeImporter::VisitFixedPointLiteral(FixedPointLiteral *E) { |
7662 | auto ToTypeOrErr = import(E->getType()); |
7663 | if (!ToTypeOrErr) |
7664 | return ToTypeOrErr.takeError(); |
7665 | |
7666 | ExpectedSLoc ToLocationOrErr = import(From: E->getLocation()); |
7667 | if (!ToLocationOrErr) |
7668 | return ToLocationOrErr.takeError(); |
7669 | |
7670 | return new (Importer.getToContext()) FixedPointLiteral( |
7671 | Importer.getToContext(), E->getValue(), *ToTypeOrErr, *ToLocationOrErr, |
7672 | Importer.getToContext().getFixedPointScale(Ty: *ToTypeOrErr)); |
7673 | } |
7674 | |
7675 | ExpectedStmt ASTNodeImporter::VisitCharacterLiteral(CharacterLiteral *E) { |
7676 | ExpectedType ToTypeOrErr = import(E->getType()); |
7677 | if (!ToTypeOrErr) |
7678 | return ToTypeOrErr.takeError(); |
7679 | |
7680 | ExpectedSLoc ToLocationOrErr = import(From: E->getLocation()); |
7681 | if (!ToLocationOrErr) |
7682 | return ToLocationOrErr.takeError(); |
7683 | |
7684 | return new (Importer.getToContext()) CharacterLiteral( |
7685 | E->getValue(), E->getKind(), *ToTypeOrErr, *ToLocationOrErr); |
7686 | } |
7687 | |
7688 | ExpectedStmt ASTNodeImporter::VisitStringLiteral(StringLiteral *E) { |
7689 | ExpectedType ToTypeOrErr = import(E->getType()); |
7690 | if (!ToTypeOrErr) |
7691 | return ToTypeOrErr.takeError(); |
7692 | |
7693 | SmallVector<SourceLocation, 4> ToLocations(E->getNumConcatenated()); |
7694 | if (Error Err = ImportArrayChecked( |
7695 | Ibegin: E->tokloc_begin(), Iend: E->tokloc_end(), Obegin: ToLocations.begin())) |
7696 | return std::move(Err); |
7697 | |
7698 | return StringLiteral::Create( |
7699 | Ctx: Importer.getToContext(), Str: E->getBytes(), Kind: E->getKind(), Pascal: E->isPascal(), |
7700 | Ty: *ToTypeOrErr, Loc: ToLocations.data(), NumConcatenated: ToLocations.size()); |
7701 | } |
7702 | |
7703 | ExpectedStmt ASTNodeImporter::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) { |
7704 | |
7705 | Error Err = Error::success(); |
7706 | auto ToLParenLoc = importChecked(Err, From: E->getLParenLoc()); |
7707 | auto ToTypeSourceInfo = importChecked(Err, From: E->getTypeSourceInfo()); |
7708 | auto ToType = importChecked(Err, E->getType()); |
7709 | auto ToInitializer = importChecked(Err, From: E->getInitializer()); |
7710 | if (Err) |
7711 | return std::move(Err); |
7712 | |
7713 | return new (Importer.getToContext()) CompoundLiteralExpr( |
7714 | ToLParenLoc, ToTypeSourceInfo, ToType, E->getValueKind(), |
7715 | ToInitializer, E->isFileScope()); |
7716 | } |
7717 | |
7718 | ExpectedStmt ASTNodeImporter::VisitAtomicExpr(AtomicExpr *E) { |
7719 | |
7720 | Error Err = Error::success(); |
7721 | auto ToBuiltinLoc = importChecked(Err, From: E->getBuiltinLoc()); |
7722 | auto ToType = importChecked(Err, E->getType()); |
7723 | auto ToRParenLoc = importChecked(Err, From: E->getRParenLoc()); |
7724 | if (Err) |
7725 | return std::move(Err); |
7726 | |
7727 | SmallVector<Expr *, 6> ToExprs(E->getNumSubExprs()); |
7728 | if (Error Err = ImportArrayChecked( |
7729 | Ibegin: E->getSubExprs(), Iend: E->getSubExprs() + E->getNumSubExprs(), |
7730 | Obegin: ToExprs.begin())) |
7731 | return std::move(Err); |
7732 | |
7733 | return new (Importer.getToContext()) AtomicExpr( |
7734 | |
7735 | ToBuiltinLoc, ToExprs, ToType, E->getOp(), ToRParenLoc); |
7736 | } |
7737 | |
7738 | ExpectedStmt ASTNodeImporter::VisitAddrLabelExpr(AddrLabelExpr *E) { |
7739 | Error Err = Error::success(); |
7740 | auto ToAmpAmpLoc = importChecked(Err, From: E->getAmpAmpLoc()); |
7741 | auto ToLabelLoc = importChecked(Err, From: E->getLabelLoc()); |
7742 | auto ToLabel = importChecked(Err, From: E->getLabel()); |
7743 | auto ToType = importChecked(Err, E->getType()); |
7744 | if (Err) |
7745 | return std::move(Err); |
7746 | |
7747 | return new (Importer.getToContext()) AddrLabelExpr( |
7748 | ToAmpAmpLoc, ToLabelLoc, ToLabel, ToType); |
7749 | } |
7750 | ExpectedStmt ASTNodeImporter::VisitConstantExpr(ConstantExpr *E) { |
7751 | Error Err = Error::success(); |
7752 | auto ToSubExpr = importChecked(Err, E->getSubExpr()); |
7753 | auto ToResult = importChecked(Err, From: E->getAPValueResult()); |
7754 | if (Err) |
7755 | return std::move(Err); |
7756 | |
7757 | return ConstantExpr::Create(Importer.getToContext(), ToSubExpr, ToResult); |
7758 | } |
7759 | ExpectedStmt ASTNodeImporter::VisitParenExpr(ParenExpr *E) { |
7760 | Error Err = Error::success(); |
7761 | auto ToLParen = importChecked(Err, From: E->getLParen()); |
7762 | auto ToRParen = importChecked(Err, From: E->getRParen()); |
7763 | auto ToSubExpr = importChecked(Err, From: E->getSubExpr()); |
7764 | if (Err) |
7765 | return std::move(Err); |
7766 | |
7767 | return new (Importer.getToContext()) |
7768 | ParenExpr(ToLParen, ToRParen, ToSubExpr); |
7769 | } |
7770 | |
7771 | ExpectedStmt ASTNodeImporter::VisitParenListExpr(ParenListExpr *E) { |
7772 | SmallVector<Expr *, 4> ToExprs(E->getNumExprs()); |
7773 | if (Error Err = ImportContainerChecked(InContainer: E->exprs(), OutContainer&: ToExprs)) |
7774 | return std::move(Err); |
7775 | |
7776 | ExpectedSLoc ToLParenLocOrErr = import(From: E->getLParenLoc()); |
7777 | if (!ToLParenLocOrErr) |
7778 | return ToLParenLocOrErr.takeError(); |
7779 | |
7780 | ExpectedSLoc ToRParenLocOrErr = import(From: E->getRParenLoc()); |
7781 | if (!ToRParenLocOrErr) |
7782 | return ToRParenLocOrErr.takeError(); |
7783 | |
7784 | return ParenListExpr::Create(Ctx: Importer.getToContext(), LParenLoc: *ToLParenLocOrErr, |
7785 | Exprs: ToExprs, RParenLoc: *ToRParenLocOrErr); |
7786 | } |
7787 | |
7788 | ExpectedStmt ASTNodeImporter::VisitStmtExpr(StmtExpr *E) { |
7789 | Error Err = Error::success(); |
7790 | auto ToSubStmt = importChecked(Err, From: E->getSubStmt()); |
7791 | auto ToType = importChecked(Err, E->getType()); |
7792 | auto ToLParenLoc = importChecked(Err, From: E->getLParenLoc()); |
7793 | auto ToRParenLoc = importChecked(Err, From: E->getRParenLoc()); |
7794 | if (Err) |
7795 | return std::move(Err); |
7796 | |
7797 | return new (Importer.getToContext()) |
7798 | StmtExpr(ToSubStmt, ToType, ToLParenLoc, ToRParenLoc, |
7799 | E->getTemplateDepth()); |
7800 | } |
7801 | |
7802 | ExpectedStmt ASTNodeImporter::VisitUnaryOperator(UnaryOperator *E) { |
7803 | Error Err = Error::success(); |
7804 | auto ToSubExpr = importChecked(Err, From: E->getSubExpr()); |
7805 | auto ToType = importChecked(Err, E->getType()); |
7806 | auto ToOperatorLoc = importChecked(Err, From: E->getOperatorLoc()); |
7807 | if (Err) |
7808 | return std::move(Err); |
7809 | |
7810 | auto *UO = UnaryOperator::CreateEmpty(C: Importer.getToContext(), |
7811 | hasFPFeatures: E->hasStoredFPFeatures()); |
7812 | UO->setType(ToType); |
7813 | UO->setSubExpr(ToSubExpr); |
7814 | UO->setOpcode(E->getOpcode()); |
7815 | UO->setOperatorLoc(ToOperatorLoc); |
7816 | UO->setCanOverflow(E->canOverflow()); |
7817 | if (E->hasStoredFPFeatures()) |
7818 | UO->setStoredFPFeatures(E->getStoredFPFeatures()); |
7819 | |
7820 | return UO; |
7821 | } |
7822 | |
7823 | ExpectedStmt |
7824 | |
7825 | ASTNodeImporter::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E) { |
7826 | Error Err = Error::success(); |
7827 | auto ToType = importChecked(Err, E->getType()); |
7828 | auto ToOperatorLoc = importChecked(Err, From: E->getOperatorLoc()); |
7829 | auto ToRParenLoc = importChecked(Err, From: E->getRParenLoc()); |
7830 | if (Err) |
7831 | return std::move(Err); |
7832 | |
7833 | if (E->isArgumentType()) { |
7834 | Expected<TypeSourceInfo *> ToArgumentTypeInfoOrErr = |
7835 | import(From: E->getArgumentTypeInfo()); |
7836 | if (!ToArgumentTypeInfoOrErr) |
7837 | return ToArgumentTypeInfoOrErr.takeError(); |
7838 | |
7839 | return new (Importer.getToContext()) UnaryExprOrTypeTraitExpr( |
7840 | E->getKind(), *ToArgumentTypeInfoOrErr, ToType, ToOperatorLoc, |
7841 | ToRParenLoc); |
7842 | } |
7843 | |
7844 | ExpectedExpr ToArgumentExprOrErr = import(From: E->getArgumentExpr()); |
7845 | if (!ToArgumentExprOrErr) |
7846 | return ToArgumentExprOrErr.takeError(); |
7847 | |
7848 | return new (Importer.getToContext()) UnaryExprOrTypeTraitExpr( |
7849 | E->getKind(), *ToArgumentExprOrErr, ToType, ToOperatorLoc, ToRParenLoc); |
7850 | } |
7851 | |
7852 | ExpectedStmt ASTNodeImporter::VisitBinaryOperator(BinaryOperator *E) { |
7853 | Error Err = Error::success(); |
7854 | auto ToLHS = importChecked(Err, From: E->getLHS()); |
7855 | auto ToRHS = importChecked(Err, From: E->getRHS()); |
7856 | auto ToType = importChecked(Err, E->getType()); |
7857 | auto ToOperatorLoc = importChecked(Err, From: E->getOperatorLoc()); |
7858 | if (Err) |
7859 | return std::move(Err); |
7860 | |
7861 | return BinaryOperator::Create( |
7862 | C: Importer.getToContext(), lhs: ToLHS, rhs: ToRHS, opc: E->getOpcode(), ResTy: ToType, |
7863 | VK: E->getValueKind(), OK: E->getObjectKind(), opLoc: ToOperatorLoc, |
7864 | FPFeatures: E->getFPFeatures()); |
7865 | } |
7866 | |
7867 | ExpectedStmt ASTNodeImporter::VisitConditionalOperator(ConditionalOperator *E) { |
7868 | Error Err = Error::success(); |
7869 | auto ToCond = importChecked(Err, From: E->getCond()); |
7870 | auto ToQuestionLoc = importChecked(Err, E->getQuestionLoc()); |
7871 | auto ToLHS = importChecked(Err, From: E->getLHS()); |
7872 | auto ToColonLoc = importChecked(Err, E->getColonLoc()); |
7873 | auto ToRHS = importChecked(Err, From: E->getRHS()); |
7874 | auto ToType = importChecked(Err, E->getType()); |
7875 | if (Err) |
7876 | return std::move(Err); |
7877 | |
7878 | return new (Importer.getToContext()) ConditionalOperator( |
7879 | ToCond, ToQuestionLoc, ToLHS, ToColonLoc, ToRHS, ToType, |
7880 | E->getValueKind(), E->getObjectKind()); |
7881 | } |
7882 | |
7883 | ExpectedStmt |
7884 | ASTNodeImporter::VisitBinaryConditionalOperator(BinaryConditionalOperator *E) { |
7885 | Error Err = Error::success(); |
7886 | auto ToCommon = importChecked(Err, From: E->getCommon()); |
7887 | auto ToOpaqueValue = importChecked(Err, From: E->getOpaqueValue()); |
7888 | auto ToCond = importChecked(Err, From: E->getCond()); |
7889 | auto ToTrueExpr = importChecked(Err, From: E->getTrueExpr()); |
7890 | auto ToFalseExpr = importChecked(Err, From: E->getFalseExpr()); |
7891 | auto ToQuestionLoc = importChecked(Err, E->getQuestionLoc()); |
7892 | auto ToColonLoc = importChecked(Err, E->getColonLoc()); |
7893 | auto ToType = importChecked(Err, E->getType()); |
7894 | if (Err) |
7895 | return std::move(Err); |
7896 | |
7897 | return new (Importer.getToContext()) BinaryConditionalOperator( |
7898 | ToCommon, ToOpaqueValue, ToCond, ToTrueExpr, ToFalseExpr, |
7899 | ToQuestionLoc, ToColonLoc, ToType, E->getValueKind(), |
7900 | E->getObjectKind()); |
7901 | } |
7902 | |
7903 | ExpectedStmt ASTNodeImporter::VisitCXXRewrittenBinaryOperator( |
7904 | CXXRewrittenBinaryOperator *E) { |
7905 | Error Err = Error::success(); |
7906 | auto ToSemanticForm = importChecked(Err, From: E->getSemanticForm()); |
7907 | if (Err) |
7908 | return std::move(Err); |
7909 | |
7910 | return new (Importer.getToContext()) |
7911 | CXXRewrittenBinaryOperator(ToSemanticForm, E->isReversed()); |
7912 | } |
7913 | |
7914 | ExpectedStmt ASTNodeImporter::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) { |
7915 | Error Err = Error::success(); |
7916 | auto ToBeginLoc = importChecked(Err, From: E->getBeginLoc()); |
7917 | auto ToQueriedTypeSourceInfo = |
7918 | importChecked(Err, From: E->getQueriedTypeSourceInfo()); |
7919 | auto ToDimensionExpression = importChecked(Err, From: E->getDimensionExpression()); |
7920 | auto ToEndLoc = importChecked(Err, From: E->getEndLoc()); |
7921 | auto ToType = importChecked(Err, E->getType()); |
7922 | if (Err) |
7923 | return std::move(Err); |
7924 | |
7925 | return new (Importer.getToContext()) ArrayTypeTraitExpr( |
7926 | ToBeginLoc, E->getTrait(), ToQueriedTypeSourceInfo, E->getValue(), |
7927 | ToDimensionExpression, ToEndLoc, ToType); |
7928 | } |
7929 | |
7930 | ExpectedStmt ASTNodeImporter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) { |
7931 | Error Err = Error::success(); |
7932 | auto ToBeginLoc = importChecked(Err, From: E->getBeginLoc()); |
7933 | auto ToQueriedExpression = importChecked(Err, From: E->getQueriedExpression()); |
7934 | auto ToEndLoc = importChecked(Err, From: E->getEndLoc()); |
7935 | auto ToType = importChecked(Err, E->getType()); |
7936 | if (Err) |
7937 | return std::move(Err); |
7938 | |
7939 | return new (Importer.getToContext()) ExpressionTraitExpr( |
7940 | ToBeginLoc, E->getTrait(), ToQueriedExpression, E->getValue(), |
7941 | ToEndLoc, ToType); |
7942 | } |
7943 | |
7944 | ExpectedStmt ASTNodeImporter::VisitOpaqueValueExpr(OpaqueValueExpr *E) { |
7945 | Error Err = Error::success(); |
7946 | auto ToLocation = importChecked(Err, From: E->getLocation()); |
7947 | auto ToType = importChecked(Err, E->getType()); |
7948 | auto ToSourceExpr = importChecked(Err, From: E->getSourceExpr()); |
7949 | if (Err) |
7950 | return std::move(Err); |
7951 | |
7952 | return new (Importer.getToContext()) OpaqueValueExpr( |
7953 | ToLocation, ToType, E->getValueKind(), E->getObjectKind(), ToSourceExpr); |
7954 | } |
7955 | |
7956 | ExpectedStmt ASTNodeImporter::VisitArraySubscriptExpr(ArraySubscriptExpr *E) { |
7957 | Error Err = Error::success(); |
7958 | auto ToLHS = importChecked(Err, From: E->getLHS()); |
7959 | auto ToRHS = importChecked(Err, From: E->getRHS()); |
7960 | auto ToType = importChecked(Err, E->getType()); |
7961 | auto ToRBracketLoc = importChecked(Err, From: E->getRBracketLoc()); |
7962 | if (Err) |
7963 | return std::move(Err); |
7964 | |
7965 | return new (Importer.getToContext()) ArraySubscriptExpr( |
7966 | ToLHS, ToRHS, ToType, E->getValueKind(), E->getObjectKind(), |
7967 | ToRBracketLoc); |
7968 | } |
7969 | |
7970 | ExpectedStmt |
7971 | ASTNodeImporter::VisitCompoundAssignOperator(CompoundAssignOperator *E) { |
7972 | Error Err = Error::success(); |
7973 | auto ToLHS = importChecked(Err, E->getLHS()); |
7974 | auto ToRHS = importChecked(Err, E->getRHS()); |
7975 | auto ToType = importChecked(Err, E->getType()); |
7976 | auto ToComputationLHSType = importChecked(Err, From: E->getComputationLHSType()); |
7977 | auto ToComputationResultType = |
7978 | importChecked(Err, From: E->getComputationResultType()); |
7979 | auto ToOperatorLoc = importChecked(Err, E->getOperatorLoc()); |
7980 | if (Err) |
7981 | return std::move(Err); |
7982 | |
7983 | return CompoundAssignOperator::Create( |
7984 | C: Importer.getToContext(), lhs: ToLHS, rhs: ToRHS, opc: E->getOpcode(), ResTy: ToType, |
7985 | VK: E->getValueKind(), OK: E->getObjectKind(), opLoc: ToOperatorLoc, |
7986 | FPFeatures: E->getFPFeatures(), |
7987 | CompLHSType: ToComputationLHSType, CompResultType: ToComputationResultType); |
7988 | } |
7989 | |
7990 | Expected<CXXCastPath> |
7991 | ASTNodeImporter::ImportCastPath(CastExpr *CE) { |
7992 | CXXCastPath Path; |
7993 | for (auto I = CE->path_begin(), E = CE->path_end(); I != E; ++I) { |
7994 | if (auto SpecOrErr = import(From: *I)) |
7995 | Path.push_back(Elt: *SpecOrErr); |
7996 | else |
7997 | return SpecOrErr.takeError(); |
7998 | } |
7999 | return Path; |
8000 | } |
8001 | |
8002 | ExpectedStmt ASTNodeImporter::VisitImplicitCastExpr(ImplicitCastExpr *E) { |
8003 | ExpectedType ToTypeOrErr = import(E->getType()); |
8004 | if (!ToTypeOrErr) |
8005 | return ToTypeOrErr.takeError(); |
8006 | |
8007 | ExpectedExpr ToSubExprOrErr = import(E->getSubExpr()); |
8008 | if (!ToSubExprOrErr) |
8009 | return ToSubExprOrErr.takeError(); |
8010 | |
8011 | Expected<CXXCastPath> ToBasePathOrErr = ImportCastPath(E); |
8012 | if (!ToBasePathOrErr) |
8013 | return ToBasePathOrErr.takeError(); |
8014 | |
8015 | return ImplicitCastExpr::Create( |
8016 | Context: Importer.getToContext(), T: *ToTypeOrErr, Kind: E->getCastKind(), Operand: *ToSubExprOrErr, |
8017 | BasePath: &(*ToBasePathOrErr), Cat: E->getValueKind(), FPO: E->getFPFeatures()); |
8018 | } |
8019 | |
8020 | ExpectedStmt ASTNodeImporter::VisitExplicitCastExpr(ExplicitCastExpr *E) { |
8021 | Error Err = Error::success(); |
8022 | auto ToType = importChecked(Err, E->getType()); |
8023 | auto ToSubExpr = importChecked(Err, E->getSubExpr()); |
8024 | auto ToTypeInfoAsWritten = importChecked(Err, From: E->getTypeInfoAsWritten()); |
8025 | if (Err) |
8026 | return std::move(Err); |
8027 | |
8028 | Expected<CXXCastPath> ToBasePathOrErr = ImportCastPath(E); |
8029 | if (!ToBasePathOrErr) |
8030 | return ToBasePathOrErr.takeError(); |
8031 | CXXCastPath *ToBasePath = &(*ToBasePathOrErr); |
8032 | |
8033 | switch (E->getStmtClass()) { |
8034 | case Stmt::CStyleCastExprClass: { |
8035 | auto *CCE = cast<CStyleCastExpr>(Val: E); |
8036 | ExpectedSLoc ToLParenLocOrErr = import(From: CCE->getLParenLoc()); |
8037 | if (!ToLParenLocOrErr) |
8038 | return ToLParenLocOrErr.takeError(); |
8039 | ExpectedSLoc ToRParenLocOrErr = import(From: CCE->getRParenLoc()); |
8040 | if (!ToRParenLocOrErr) |
8041 | return ToRParenLocOrErr.takeError(); |
8042 | return CStyleCastExpr::Create( |
8043 | Context: Importer.getToContext(), T: ToType, VK: E->getValueKind(), K: E->getCastKind(), |
8044 | Op: ToSubExpr, BasePath: ToBasePath, FPO: CCE->getFPFeatures(), WrittenTy: ToTypeInfoAsWritten, |
8045 | L: *ToLParenLocOrErr, R: *ToRParenLocOrErr); |
8046 | } |
8047 | |
8048 | case Stmt::CXXFunctionalCastExprClass: { |
8049 | auto *FCE = cast<CXXFunctionalCastExpr>(Val: E); |
8050 | ExpectedSLoc ToLParenLocOrErr = import(From: FCE->getLParenLoc()); |
8051 | if (!ToLParenLocOrErr) |
8052 | return ToLParenLocOrErr.takeError(); |
8053 | ExpectedSLoc ToRParenLocOrErr = import(From: FCE->getRParenLoc()); |
8054 | if (!ToRParenLocOrErr) |
8055 | return ToRParenLocOrErr.takeError(); |
8056 | return CXXFunctionalCastExpr::Create( |
8057 | Context: Importer.getToContext(), T: ToType, VK: E->getValueKind(), Written: ToTypeInfoAsWritten, |
8058 | Kind: E->getCastKind(), Op: ToSubExpr, Path: ToBasePath, FPO: FCE->getFPFeatures(), |
8059 | LPLoc: *ToLParenLocOrErr, RPLoc: *ToRParenLocOrErr); |
8060 | } |
8061 | |
8062 | case Stmt::ObjCBridgedCastExprClass: { |
8063 | auto *OCE = cast<ObjCBridgedCastExpr>(Val: E); |
8064 | ExpectedSLoc ToLParenLocOrErr = import(From: OCE->getLParenLoc()); |
8065 | if (!ToLParenLocOrErr) |
8066 | return ToLParenLocOrErr.takeError(); |
8067 | ExpectedSLoc ToBridgeKeywordLocOrErr = import(From: OCE->getBridgeKeywordLoc()); |
8068 | if (!ToBridgeKeywordLocOrErr) |
8069 | return ToBridgeKeywordLocOrErr.takeError(); |
8070 | return new (Importer.getToContext()) ObjCBridgedCastExpr( |
8071 | *ToLParenLocOrErr, OCE->getBridgeKind(), E->getCastKind(), |
8072 | *ToBridgeKeywordLocOrErr, ToTypeInfoAsWritten, ToSubExpr); |
8073 | } |
8074 | case Stmt::BuiltinBitCastExprClass: { |
8075 | auto *BBC = cast<BuiltinBitCastExpr>(Val: E); |
8076 | ExpectedSLoc ToKWLocOrErr = import(From: BBC->getBeginLoc()); |
8077 | if (!ToKWLocOrErr) |
8078 | return ToKWLocOrErr.takeError(); |
8079 | ExpectedSLoc ToRParenLocOrErr = import(From: BBC->getEndLoc()); |
8080 | if (!ToRParenLocOrErr) |
8081 | return ToRParenLocOrErr.takeError(); |
8082 | return new (Importer.getToContext()) BuiltinBitCastExpr( |
8083 | ToType, E->getValueKind(), E->getCastKind(), ToSubExpr, |
8084 | ToTypeInfoAsWritten, *ToKWLocOrErr, *ToRParenLocOrErr); |
8085 | } |
8086 | default: |
8087 | llvm_unreachable("Cast expression of unsupported type!"); |
8088 | return make_error<ASTImportError>(Args: ASTImportError::UnsupportedConstruct); |
8089 | } |
8090 | } |
8091 | |
8092 | ExpectedStmt ASTNodeImporter::VisitOffsetOfExpr(OffsetOfExpr *E) { |
8093 | SmallVector<OffsetOfNode, 4> ToNodes; |
8094 | for (int I = 0, N = E->getNumComponents(); I < N; ++I) { |
8095 | const OffsetOfNode &FromNode = E->getComponent(Idx: I); |
8096 | |
8097 | SourceLocation ToBeginLoc, ToEndLoc; |
8098 | |
8099 | if (FromNode.getKind() != OffsetOfNode::Base) { |
8100 | Error Err = Error::success(); |
8101 | ToBeginLoc = importChecked(Err, From: FromNode.getBeginLoc()); |
8102 | ToEndLoc = importChecked(Err, From: FromNode.getEndLoc()); |
8103 | if (Err) |
8104 | return std::move(Err); |
8105 | } |
8106 | |
8107 | switch (FromNode.getKind()) { |
8108 | case OffsetOfNode::Array: |
8109 | ToNodes.push_back( |
8110 | Elt: OffsetOfNode(ToBeginLoc, FromNode.getArrayExprIndex(), ToEndLoc)); |
8111 | break; |
8112 | case OffsetOfNode::Base: { |
8113 | auto ToBSOrErr = import(From: FromNode.getBase()); |
8114 | if (!ToBSOrErr) |
8115 | return ToBSOrErr.takeError(); |
8116 | ToNodes.push_back(Elt: OffsetOfNode(*ToBSOrErr)); |
8117 | break; |
8118 | } |
8119 | case OffsetOfNode::Field: { |
8120 | auto ToFieldOrErr = import(From: FromNode.getField()); |
8121 | if (!ToFieldOrErr) |
8122 | return ToFieldOrErr.takeError(); |
8123 | ToNodes.push_back(Elt: OffsetOfNode(ToBeginLoc, *ToFieldOrErr, ToEndLoc)); |
8124 | break; |
8125 | } |
8126 | case OffsetOfNode::Identifier: { |
8127 | IdentifierInfo *ToII = Importer.Import(FromId: FromNode.getFieldName()); |
8128 | ToNodes.push_back(Elt: OffsetOfNode(ToBeginLoc, ToII, ToEndLoc)); |
8129 | break; |
8130 | } |
8131 | } |
8132 | } |
8133 | |
8134 | SmallVector<Expr *, 4> ToExprs(E->getNumExpressions()); |
8135 | for (int I = 0, N = E->getNumExpressions(); I < N; ++I) { |
8136 | ExpectedExpr ToIndexExprOrErr = import(From: E->getIndexExpr(Idx: I)); |
8137 | if (!ToIndexExprOrErr) |
8138 | return ToIndexExprOrErr.takeError(); |
8139 | ToExprs[I] = *ToIndexExprOrErr; |
8140 | } |
8141 | |
8142 | Error Err = Error::success(); |
8143 | auto ToType = importChecked(Err, E->getType()); |
8144 | auto ToTypeSourceInfo = importChecked(Err, From: E->getTypeSourceInfo()); |
8145 | auto ToOperatorLoc = importChecked(Err, From: E->getOperatorLoc()); |
8146 | auto ToRParenLoc = importChecked(Err, From: E->getRParenLoc()); |
8147 | if (Err) |
8148 | return std::move(Err); |
8149 | |
8150 | return OffsetOfExpr::Create( |
8151 | C: Importer.getToContext(), type: ToType, OperatorLoc: ToOperatorLoc, tsi: ToTypeSourceInfo, comps: ToNodes, |
8152 | exprs: ToExprs, RParenLoc: ToRParenLoc); |
8153 | } |
8154 | |
8155 | ExpectedStmt ASTNodeImporter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) { |
8156 | Error Err = Error::success(); |
8157 | auto ToType = importChecked(Err, E->getType()); |
8158 | auto ToOperand = importChecked(Err, From: E->getOperand()); |
8159 | auto ToBeginLoc = importChecked(Err, From: E->getBeginLoc()); |
8160 | auto ToEndLoc = importChecked(Err, From: E->getEndLoc()); |
8161 | if (Err) |
8162 | return std::move(Err); |
8163 | |
8164 | CanThrowResult ToCanThrow; |
8165 | if (E->isValueDependent()) |
8166 | ToCanThrow = CT_Dependent; |
8167 | else |
8168 | ToCanThrow = E->getValue() ? CT_Can : CT_Cannot; |
8169 | |
8170 | return new (Importer.getToContext()) CXXNoexceptExpr( |
8171 | ToType, ToOperand, ToCanThrow, ToBeginLoc, ToEndLoc); |
8172 | } |
8173 | |
8174 | ExpectedStmt ASTNodeImporter::VisitCXXThrowExpr(CXXThrowExpr *E) { |
8175 | Error Err = Error::success(); |
8176 | auto ToSubExpr = importChecked(Err, From: E->getSubExpr()); |
8177 | auto ToType = importChecked(Err, E->getType()); |
8178 | auto ToThrowLoc = importChecked(Err, From: E->getThrowLoc()); |
8179 | if (Err) |
8180 | return std::move(Err); |
8181 | |
8182 | return new (Importer.getToContext()) CXXThrowExpr( |
8183 | ToSubExpr, ToType, ToThrowLoc, E->isThrownVariableInScope()); |
8184 | } |
8185 | |
8186 | ExpectedStmt ASTNodeImporter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) { |
8187 | ExpectedSLoc ToUsedLocOrErr = import(From: E->getUsedLocation()); |
8188 | if (!ToUsedLocOrErr) |
8189 | return ToUsedLocOrErr.takeError(); |
8190 | |
8191 | auto ToParamOrErr = import(From: E->getParam()); |
8192 | if (!ToParamOrErr) |
8193 | return ToParamOrErr.takeError(); |
8194 | |
8195 | auto UsedContextOrErr = Importer.ImportContext(FromDC: E->getUsedContext()); |
8196 | if (!UsedContextOrErr) |
8197 | return UsedContextOrErr.takeError(); |
8198 | |
8199 | // Import the default arg if it was not imported yet. |
8200 | // This is needed because it can happen that during the import of the |
8201 | // default expression (from VisitParmVarDecl) the same ParmVarDecl is |
8202 | // encountered here. The default argument for a ParmVarDecl is set in the |
8203 | // ParmVarDecl only after it is imported (set in VisitParmVarDecl if not here, |
8204 | // see VisitParmVarDecl). |
8205 | ParmVarDecl *ToParam = *ToParamOrErr; |
8206 | if (!ToParam->getDefaultArg()) { |
8207 | std::optional<ParmVarDecl *> FromParam = |
8208 | Importer.getImportedFromDecl(ToD: ToParam); |
8209 | assert(FromParam && "ParmVarDecl was not imported?"); |
8210 | |
8211 | if (Error Err = ImportDefaultArgOfParmVarDecl(FromParam: *FromParam, ToParam)) |
8212 | return std::move(Err); |
8213 | } |
8214 | Expr *RewrittenInit = nullptr; |
8215 | if (E->hasRewrittenInit()) { |
8216 | ExpectedExpr ExprOrErr = import(From: E->getRewrittenExpr()); |
8217 | if (!ExprOrErr) |
8218 | return ExprOrErr.takeError(); |
8219 | RewrittenInit = ExprOrErr.get(); |
8220 | } |
8221 | return CXXDefaultArgExpr::Create(C: Importer.getToContext(), Loc: *ToUsedLocOrErr, |
8222 | Param: *ToParamOrErr, RewrittenExpr: RewrittenInit, |
8223 | UsedContext: *UsedContextOrErr); |
8224 | } |
8225 | |
8226 | ExpectedStmt |
8227 | ASTNodeImporter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) { |
8228 | Error Err = Error::success(); |
8229 | auto ToType = importChecked(Err, E->getType()); |
8230 | auto ToTypeSourceInfo = importChecked(Err, From: E->getTypeSourceInfo()); |
8231 | auto ToRParenLoc = importChecked(Err, From: E->getRParenLoc()); |
8232 | if (Err) |
8233 | return std::move(Err); |
8234 | |
8235 | return new (Importer.getToContext()) CXXScalarValueInitExpr( |
8236 | ToType, ToTypeSourceInfo, ToRParenLoc); |
8237 | } |
8238 | |
8239 | ExpectedStmt |
8240 | ASTNodeImporter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) { |
8241 | ExpectedExpr ToSubExprOrErr = import(From: E->getSubExpr()); |
8242 | if (!ToSubExprOrErr) |
8243 | return ToSubExprOrErr.takeError(); |
8244 | |
8245 | auto ToDtorOrErr = import(From: E->getTemporary()->getDestructor()); |
8246 | if (!ToDtorOrErr) |
8247 | return ToDtorOrErr.takeError(); |
8248 | |
8249 | ASTContext &ToCtx = Importer.getToContext(); |
8250 | CXXTemporary *Temp = CXXTemporary::Create(C: ToCtx, Destructor: *ToDtorOrErr); |
8251 | return CXXBindTemporaryExpr::Create(C: ToCtx, Temp, SubExpr: *ToSubExprOrErr); |
8252 | } |
8253 | |
8254 | ExpectedStmt |
8255 | |
8256 | ASTNodeImporter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) { |
8257 | Error Err = Error::success(); |
8258 | auto ToConstructor = importChecked(Err, E->getConstructor()); |
8259 | auto ToType = importChecked(Err, E->getType()); |
8260 | auto ToTypeSourceInfo = importChecked(Err, From: E->getTypeSourceInfo()); |
8261 | auto ToParenOrBraceRange = importChecked(Err, E->getParenOrBraceRange()); |
8262 | if (Err) |
8263 | return std::move(Err); |
8264 | |
8265 | SmallVector<Expr *, 8> ToArgs(E->getNumArgs()); |
8266 | if (Error Err = ImportContainerChecked(E->arguments(), ToArgs)) |
8267 | return std::move(Err); |
8268 | |
8269 | return CXXTemporaryObjectExpr::Create( |
8270 | Ctx: Importer.getToContext(), Cons: ToConstructor, Ty: ToType, TSI: ToTypeSourceInfo, Args: ToArgs, |
8271 | ParenOrBraceRange: ToParenOrBraceRange, HadMultipleCandidates: E->hadMultipleCandidates(), |
8272 | ListInitialization: E->isListInitialization(), StdInitListInitialization: E->isStdInitListInitialization(), |
8273 | ZeroInitialization: E->requiresZeroInitialization()); |
8274 | } |
8275 | |
8276 | ExpectedDecl ASTNodeImporter::VisitLifetimeExtendedTemporaryDecl( |
8277 | LifetimeExtendedTemporaryDecl *D) { |
8278 | DeclContext *DC, *LexicalDC; |
8279 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) |
8280 | return std::move(Err); |
8281 | |
8282 | Error Err = Error::success(); |
8283 | auto Temporary = importChecked(Err, From: D->getTemporaryExpr()); |
8284 | auto ExtendingDecl = importChecked(Err, From: D->getExtendingDecl()); |
8285 | if (Err) |
8286 | return std::move(Err); |
8287 | // FIXME: Should ManglingNumber get numbers associated with 'to' context? |
8288 | |
8289 | LifetimeExtendedTemporaryDecl *To; |
8290 | if (GetImportedOrCreateDecl(ToD&: To, FromD: D, args&: Temporary, args&: ExtendingDecl, |
8291 | args: D->getManglingNumber())) |
8292 | return To; |
8293 | |
8294 | To->setLexicalDeclContext(LexicalDC); |
8295 | LexicalDC->addDeclInternal(To); |
8296 | return To; |
8297 | } |
8298 | |
8299 | ExpectedStmt |
8300 | ASTNodeImporter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *E) { |
8301 | Error Err = Error::success(); |
8302 | auto ToType = importChecked(Err, E->getType()); |
8303 | Expr *ToTemporaryExpr = importChecked( |
8304 | Err, From: E->getLifetimeExtendedTemporaryDecl() ? nullptr : E->getSubExpr()); |
8305 | auto ToMaterializedDecl = |
8306 | importChecked(Err, From: E->getLifetimeExtendedTemporaryDecl()); |
8307 | if (Err) |
8308 | return std::move(Err); |
8309 | |
8310 | if (!ToTemporaryExpr) |
8311 | ToTemporaryExpr = cast<Expr>(Val: ToMaterializedDecl->getTemporaryExpr()); |
8312 | |
8313 | auto *ToMTE = new (Importer.getToContext()) MaterializeTemporaryExpr( |
8314 | ToType, ToTemporaryExpr, E->isBoundToLvalueReference(), |
8315 | ToMaterializedDecl); |
8316 | |
8317 | return ToMTE; |
8318 | } |
8319 | |
8320 | ExpectedStmt ASTNodeImporter::VisitPackExpansionExpr(PackExpansionExpr *E) { |
8321 | Error Err = Error::success(); |
8322 | auto *ToPattern = importChecked(Err, From: E->getPattern()); |
8323 | auto ToEllipsisLoc = importChecked(Err, From: E->getEllipsisLoc()); |
8324 | if (Err) |
8325 | return std::move(Err); |
8326 | |
8327 | return new (Importer.getToContext()) |
8328 | PackExpansionExpr(ToPattern, ToEllipsisLoc, E->getNumExpansions()); |
8329 | } |
8330 | |
8331 | ExpectedStmt ASTNodeImporter::VisitSizeOfPackExpr(SizeOfPackExpr *E) { |
8332 | Error Err = Error::success(); |
8333 | auto ToOperatorLoc = importChecked(Err, From: E->getOperatorLoc()); |
8334 | auto ToPack = importChecked(Err, From: E->getPack()); |
8335 | auto ToPackLoc = importChecked(Err, From: E->getPackLoc()); |
8336 | auto ToRParenLoc = importChecked(Err, From: E->getRParenLoc()); |
8337 | if (Err) |
8338 | return std::move(Err); |
8339 | |
8340 | UnsignedOrNone Length = std::nullopt; |
8341 | if (!E->isValueDependent()) |
8342 | Length = E->getPackLength(); |
8343 | |
8344 | SmallVector<TemplateArgument, 8> ToPartialArguments; |
8345 | if (E->isPartiallySubstituted()) { |
8346 | if (Error Err = ImportTemplateArguments(FromArgs: E->getPartialArguments(), |
8347 | ToArgs&: ToPartialArguments)) |
8348 | return std::move(Err); |
8349 | } |
8350 | |
8351 | return SizeOfPackExpr::Create( |
8352 | Context&: Importer.getToContext(), OperatorLoc: ToOperatorLoc, Pack: ToPack, PackLoc: ToPackLoc, RParenLoc: ToRParenLoc, |
8353 | Length, PartialArgs: ToPartialArguments); |
8354 | } |
8355 | |
8356 | |
8357 | ExpectedStmt ASTNodeImporter::VisitCXXNewExpr(CXXNewExpr *E) { |
8358 | Error Err = Error::success(); |
8359 | auto ToOperatorNew = importChecked(Err, From: E->getOperatorNew()); |
8360 | auto ToOperatorDelete = importChecked(Err, From: E->getOperatorDelete()); |
8361 | auto ToTypeIdParens = importChecked(Err, From: E->getTypeIdParens()); |
8362 | auto ToArraySize = importChecked(Err, From: E->getArraySize()); |
8363 | auto ToInitializer = importChecked(Err, From: E->getInitializer()); |
8364 | auto ToType = importChecked(Err, E->getType()); |
8365 | auto ToAllocatedTypeSourceInfo = |
8366 | importChecked(Err, From: E->getAllocatedTypeSourceInfo()); |
8367 | auto ToSourceRange = importChecked(Err, From: E->getSourceRange()); |
8368 | auto ToDirectInitRange = importChecked(Err, From: E->getDirectInitRange()); |
8369 | if (Err) |
8370 | return std::move(Err); |
8371 | |
8372 | SmallVector<Expr *, 4> ToPlacementArgs(E->getNumPlacementArgs()); |
8373 | if (Error Err = |
8374 | ImportContainerChecked(InContainer: E->placement_arguments(), OutContainer&: ToPlacementArgs)) |
8375 | return std::move(Err); |
8376 | |
8377 | return CXXNewExpr::Create( |
8378 | Ctx: Importer.getToContext(), IsGlobalNew: E->isGlobalNew(), OperatorNew: ToOperatorNew, |
8379 | OperatorDelete: ToOperatorDelete, IAP: E->implicitAllocationParameters(), |
8380 | UsualArrayDeleteWantsSize: E->doesUsualArrayDeleteWantSize(), PlacementArgs: ToPlacementArgs, TypeIdParens: ToTypeIdParens, |
8381 | ArraySize: ToArraySize, InitializationStyle: E->getInitializationStyle(), Initializer: ToInitializer, Ty: ToType, |
8382 | AllocatedTypeInfo: ToAllocatedTypeSourceInfo, Range: ToSourceRange, DirectInitRange: ToDirectInitRange); |
8383 | } |
8384 | |
8385 | ExpectedStmt ASTNodeImporter::VisitCXXDeleteExpr(CXXDeleteExpr *E) { |
8386 | Error Err = Error::success(); |
8387 | auto ToType = importChecked(Err, E->getType()); |
8388 | auto ToOperatorDelete = importChecked(Err, From: E->getOperatorDelete()); |
8389 | auto ToArgument = importChecked(Err, From: E->getArgument()); |
8390 | auto ToBeginLoc = importChecked(Err, From: E->getBeginLoc()); |
8391 | if (Err) |
8392 | return std::move(Err); |
8393 | |
8394 | return new (Importer.getToContext()) CXXDeleteExpr( |
8395 | ToType, E->isGlobalDelete(), E->isArrayForm(), E->isArrayFormAsWritten(), |
8396 | E->doesUsualArrayDeleteWantSize(), ToOperatorDelete, ToArgument, |
8397 | ToBeginLoc); |
8398 | } |
8399 | |
8400 | ExpectedStmt ASTNodeImporter::VisitCXXConstructExpr(CXXConstructExpr *E) { |
8401 | Error Err = Error::success(); |
8402 | auto ToType = importChecked(Err, E->getType()); |
8403 | auto ToLocation = importChecked(Err, From: E->getLocation()); |
8404 | auto ToConstructor = importChecked(Err, From: E->getConstructor()); |
8405 | auto ToParenOrBraceRange = importChecked(Err, From: E->getParenOrBraceRange()); |
8406 | if (Err) |
8407 | return std::move(Err); |
8408 | |
8409 | SmallVector<Expr *, 6> ToArgs(E->getNumArgs()); |
8410 | if (Error Err = ImportContainerChecked(InContainer: E->arguments(), OutContainer&: ToArgs)) |
8411 | return std::move(Err); |
8412 | |
8413 | CXXConstructExpr *ToE = CXXConstructExpr::Create( |
8414 | Ctx: Importer.getToContext(), Ty: ToType, Loc: ToLocation, Ctor: ToConstructor, |
8415 | Elidable: E->isElidable(), Args: ToArgs, HadMultipleCandidates: E->hadMultipleCandidates(), |
8416 | ListInitialization: E->isListInitialization(), StdInitListInitialization: E->isStdInitListInitialization(), |
8417 | ZeroInitialization: E->requiresZeroInitialization(), ConstructKind: E->getConstructionKind(), |
8418 | ParenOrBraceRange: ToParenOrBraceRange); |
8419 | ToE->setIsImmediateEscalating(E->isImmediateEscalating()); |
8420 | return ToE; |
8421 | } |
8422 | |
8423 | ExpectedStmt ASTNodeImporter::VisitExprWithCleanups(ExprWithCleanups *E) { |
8424 | ExpectedExpr ToSubExprOrErr = import(E->getSubExpr()); |
8425 | if (!ToSubExprOrErr) |
8426 | return ToSubExprOrErr.takeError(); |
8427 | |
8428 | SmallVector<ExprWithCleanups::CleanupObject, 8> ToObjects(E->getNumObjects()); |
8429 | if (Error Err = ImportContainerChecked(InContainer: E->getObjects(), OutContainer&: ToObjects)) |
8430 | return std::move(Err); |
8431 | |
8432 | return ExprWithCleanups::Create( |
8433 | C: Importer.getToContext(), subexpr: *ToSubExprOrErr, CleanupsHaveSideEffects: E->cleanupsHaveSideEffects(), |
8434 | objects: ToObjects); |
8435 | } |
8436 | |
8437 | ExpectedStmt ASTNodeImporter::VisitCXXMemberCallExpr(CXXMemberCallExpr *E) { |
8438 | Error Err = Error::success(); |
8439 | auto ToCallee = importChecked(Err, E->getCallee()); |
8440 | auto ToType = importChecked(Err, E->getType()); |
8441 | auto ToRParenLoc = importChecked(Err, E->getRParenLoc()); |
8442 | if (Err) |
8443 | return std::move(Err); |
8444 | |
8445 | SmallVector<Expr *, 4> ToArgs(E->getNumArgs()); |
8446 | if (Error Err = ImportContainerChecked(E->arguments(), ToArgs)) |
8447 | return std::move(Err); |
8448 | |
8449 | return CXXMemberCallExpr::Create(Ctx: Importer.getToContext(), Fn: ToCallee, Args: ToArgs, |
8450 | Ty: ToType, VK: E->getValueKind(), RP: ToRParenLoc, |
8451 | FPFeatures: E->getFPFeatures()); |
8452 | } |
8453 | |
8454 | ExpectedStmt ASTNodeImporter::VisitCXXThisExpr(CXXThisExpr *E) { |
8455 | ExpectedType ToTypeOrErr = import(E->getType()); |
8456 | if (!ToTypeOrErr) |
8457 | return ToTypeOrErr.takeError(); |
8458 | |
8459 | ExpectedSLoc ToLocationOrErr = import(From: E->getLocation()); |
8460 | if (!ToLocationOrErr) |
8461 | return ToLocationOrErr.takeError(); |
8462 | |
8463 | return CXXThisExpr::Create(Ctx: Importer.getToContext(), L: *ToLocationOrErr, |
8464 | Ty: *ToTypeOrErr, IsImplicit: E->isImplicit()); |
8465 | } |
8466 | |
8467 | ExpectedStmt ASTNodeImporter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) { |
8468 | ExpectedType ToTypeOrErr = import(E->getType()); |
8469 | if (!ToTypeOrErr) |
8470 | return ToTypeOrErr.takeError(); |
8471 | |
8472 | ExpectedSLoc ToLocationOrErr = import(From: E->getLocation()); |
8473 | if (!ToLocationOrErr) |
8474 | return ToLocationOrErr.takeError(); |
8475 | |
8476 | return CXXBoolLiteralExpr::Create(C: Importer.getToContext(), Val: E->getValue(), |
8477 | Ty: *ToTypeOrErr, Loc: *ToLocationOrErr); |
8478 | } |
8479 | |
8480 | ExpectedStmt ASTNodeImporter::VisitMemberExpr(MemberExpr *E) { |
8481 | Error Err = Error::success(); |
8482 | auto ToBase = importChecked(Err, From: E->getBase()); |
8483 | auto ToOperatorLoc = importChecked(Err, From: E->getOperatorLoc()); |
8484 | auto ToQualifierLoc = importChecked(Err, From: E->getQualifierLoc()); |
8485 | auto ToTemplateKeywordLoc = importChecked(Err, From: E->getTemplateKeywordLoc()); |
8486 | auto ToMemberDecl = importChecked(Err, From: E->getMemberDecl()); |
8487 | auto ToType = importChecked(Err, E->getType()); |
8488 | auto ToDecl = importChecked(Err, From: E->getFoundDecl().getDecl()); |
8489 | auto ToName = importChecked(Err, From: E->getMemberNameInfo().getName()); |
8490 | auto ToLoc = importChecked(Err, From: E->getMemberNameInfo().getLoc()); |
8491 | if (Err) |
8492 | return std::move(Err); |
8493 | |
8494 | DeclAccessPair ToFoundDecl = |
8495 | DeclAccessPair::make(D: ToDecl, AS: E->getFoundDecl().getAccess()); |
8496 | |
8497 | DeclarationNameInfo ToMemberNameInfo(ToName, ToLoc); |
8498 | |
8499 | TemplateArgumentListInfo ToTAInfo, *ResInfo = nullptr; |
8500 | if (E->hasExplicitTemplateArgs()) { |
8501 | if (Error Err = |
8502 | ImportTemplateArgumentListInfo(FromLAngleLoc: E->getLAngleLoc(), FromRAngleLoc: E->getRAngleLoc(), |
8503 | Container: E->template_arguments(), Result&: ToTAInfo)) |
8504 | return std::move(Err); |
8505 | ResInfo = &ToTAInfo; |
8506 | } |
8507 | |
8508 | return MemberExpr::Create(C: Importer.getToContext(), Base: ToBase, IsArrow: E->isArrow(), |
8509 | OperatorLoc: ToOperatorLoc, QualifierLoc: ToQualifierLoc, TemplateKWLoc: ToTemplateKeywordLoc, |
8510 | MemberDecl: ToMemberDecl, FoundDecl: ToFoundDecl, MemberNameInfo: ToMemberNameInfo, |
8511 | TemplateArgs: ResInfo, T: ToType, VK: E->getValueKind(), |
8512 | OK: E->getObjectKind(), NOUR: E->isNonOdrUse()); |
8513 | } |
8514 | |
8515 | ExpectedStmt |
8516 | ASTNodeImporter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) { |
8517 | Error Err = Error::success(); |
8518 | auto ToBase = importChecked(Err, From: E->getBase()); |
8519 | auto ToOperatorLoc = importChecked(Err, From: E->getOperatorLoc()); |
8520 | auto ToQualifierLoc = importChecked(Err, From: E->getQualifierLoc()); |
8521 | auto ToScopeTypeInfo = importChecked(Err, From: E->getScopeTypeInfo()); |
8522 | auto ToColonColonLoc = importChecked(Err, From: E->getColonColonLoc()); |
8523 | auto ToTildeLoc = importChecked(Err, From: E->getTildeLoc()); |
8524 | if (Err) |
8525 | return std::move(Err); |
8526 | |
8527 | PseudoDestructorTypeStorage Storage; |
8528 | if (const IdentifierInfo *FromII = E->getDestroyedTypeIdentifier()) { |
8529 | const IdentifierInfo *ToII = Importer.Import(FromId: FromII); |
8530 | ExpectedSLoc ToDestroyedTypeLocOrErr = import(From: E->getDestroyedTypeLoc()); |
8531 | if (!ToDestroyedTypeLocOrErr) |
8532 | return ToDestroyedTypeLocOrErr.takeError(); |
8533 | Storage = PseudoDestructorTypeStorage(ToII, *ToDestroyedTypeLocOrErr); |
8534 | } else { |
8535 | if (auto ToTIOrErr = import(From: E->getDestroyedTypeInfo())) |
8536 | Storage = PseudoDestructorTypeStorage(*ToTIOrErr); |
8537 | else |
8538 | return ToTIOrErr.takeError(); |
8539 | } |
8540 | |
8541 | return new (Importer.getToContext()) CXXPseudoDestructorExpr( |
8542 | Importer.getToContext(), ToBase, E->isArrow(), ToOperatorLoc, |
8543 | ToQualifierLoc, ToScopeTypeInfo, ToColonColonLoc, ToTildeLoc, Storage); |
8544 | } |
8545 | |
8546 | ExpectedStmt ASTNodeImporter::VisitCXXDependentScopeMemberExpr( |
8547 | CXXDependentScopeMemberExpr *E) { |
8548 | Error Err = Error::success(); |
8549 | auto ToType = importChecked(Err, E->getType()); |
8550 | auto ToOperatorLoc = importChecked(Err, From: E->getOperatorLoc()); |
8551 | auto ToQualifierLoc = importChecked(Err, From: E->getQualifierLoc()); |
8552 | auto ToTemplateKeywordLoc = importChecked(Err, From: E->getTemplateKeywordLoc()); |
8553 | auto ToFirstQualifierFoundInScope = |
8554 | importChecked(Err, From: E->getFirstQualifierFoundInScope()); |
8555 | if (Err) |
8556 | return std::move(Err); |
8557 | |
8558 | Expr *ToBase = nullptr; |
8559 | if (!E->isImplicitAccess()) { |
8560 | if (ExpectedExpr ToBaseOrErr = import(From: E->getBase())) |
8561 | ToBase = *ToBaseOrErr; |
8562 | else |
8563 | return ToBaseOrErr.takeError(); |
8564 | } |
8565 | |
8566 | TemplateArgumentListInfo ToTAInfo, *ResInfo = nullptr; |
8567 | |
8568 | if (E->hasExplicitTemplateArgs()) { |
8569 | if (Error Err = |
8570 | ImportTemplateArgumentListInfo(FromLAngleLoc: E->getLAngleLoc(), FromRAngleLoc: E->getRAngleLoc(), |
8571 | Container: E->template_arguments(), Result&: ToTAInfo)) |
8572 | return std::move(Err); |
8573 | ResInfo = &ToTAInfo; |
8574 | } |
8575 | auto ToMember = importChecked(Err, From: E->getMember()); |
8576 | auto ToMemberLoc = importChecked(Err, From: E->getMemberLoc()); |
8577 | if (Err) |
8578 | return std::move(Err); |
8579 | DeclarationNameInfo ToMemberNameInfo(ToMember, ToMemberLoc); |
8580 | |
8581 | // Import additional name location/type info. |
8582 | if (Error Err = |
8583 | ImportDeclarationNameLoc(From: E->getMemberNameInfo(), To&: ToMemberNameInfo)) |
8584 | return std::move(Err); |
8585 | |
8586 | return CXXDependentScopeMemberExpr::Create( |
8587 | Ctx: Importer.getToContext(), Base: ToBase, BaseType: ToType, IsArrow: E->isArrow(), OperatorLoc: ToOperatorLoc, |
8588 | QualifierLoc: ToQualifierLoc, TemplateKWLoc: ToTemplateKeywordLoc, FirstQualifierFoundInScope: ToFirstQualifierFoundInScope, |
8589 | MemberNameInfo: ToMemberNameInfo, TemplateArgs: ResInfo); |
8590 | } |
8591 | |
8592 | ExpectedStmt |
8593 | ASTNodeImporter::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) { |
8594 | Error Err = Error::success(); |
8595 | auto ToQualifierLoc = importChecked(Err, From: E->getQualifierLoc()); |
8596 | auto ToTemplateKeywordLoc = importChecked(Err, From: E->getTemplateKeywordLoc()); |
8597 | auto ToDeclName = importChecked(Err, From: E->getDeclName()); |
8598 | auto ToNameLoc = importChecked(Err, From: E->getNameInfo().getLoc()); |
8599 | auto ToLAngleLoc = importChecked(Err, From: E->getLAngleLoc()); |
8600 | auto ToRAngleLoc = importChecked(Err, From: E->getRAngleLoc()); |
8601 | if (Err) |
8602 | return std::move(Err); |
8603 | |
8604 | DeclarationNameInfo ToNameInfo(ToDeclName, ToNameLoc); |
8605 | if (Error Err = ImportDeclarationNameLoc(From: E->getNameInfo(), To&: ToNameInfo)) |
8606 | return std::move(Err); |
8607 | |
8608 | TemplateArgumentListInfo ToTAInfo(ToLAngleLoc, ToRAngleLoc); |
8609 | TemplateArgumentListInfo *ResInfo = nullptr; |
8610 | if (E->hasExplicitTemplateArgs()) { |
8611 | if (Error Err = |
8612 | ImportTemplateArgumentListInfo(Container: E->template_arguments(), ToTAInfo)) |
8613 | return std::move(Err); |
8614 | ResInfo = &ToTAInfo; |
8615 | } |
8616 | |
8617 | return DependentScopeDeclRefExpr::Create( |
8618 | Context: Importer.getToContext(), QualifierLoc: ToQualifierLoc, TemplateKWLoc: ToTemplateKeywordLoc, |
8619 | NameInfo: ToNameInfo, TemplateArgs: ResInfo); |
8620 | } |
8621 | |
8622 | ExpectedStmt ASTNodeImporter::VisitCXXUnresolvedConstructExpr( |
8623 | CXXUnresolvedConstructExpr *E) { |
8624 | Error Err = Error::success(); |
8625 | auto ToLParenLoc = importChecked(Err, From: E->getLParenLoc()); |
8626 | auto ToRParenLoc = importChecked(Err, From: E->getRParenLoc()); |
8627 | auto ToType = importChecked(Err, E->getType()); |
8628 | auto ToTypeSourceInfo = importChecked(Err, From: E->getTypeSourceInfo()); |
8629 | if (Err) |
8630 | return std::move(Err); |
8631 | |
8632 | SmallVector<Expr *, 8> ToArgs(E->getNumArgs()); |
8633 | if (Error Err = |
8634 | ImportArrayChecked(Ibegin: E->arg_begin(), Iend: E->arg_end(), Obegin: ToArgs.begin())) |
8635 | return std::move(Err); |
8636 | |
8637 | return CXXUnresolvedConstructExpr::Create( |
8638 | Context: Importer.getToContext(), T: ToType, TSI: ToTypeSourceInfo, LParenLoc: ToLParenLoc, |
8639 | Args: llvm::ArrayRef(ToArgs), RParenLoc: ToRParenLoc, IsListInit: E->isListInitialization()); |
8640 | } |
8641 | |
8642 | ExpectedStmt |
8643 | ASTNodeImporter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) { |
8644 | Expected<CXXRecordDecl *> ToNamingClassOrErr = import(From: E->getNamingClass()); |
8645 | if (!ToNamingClassOrErr) |
8646 | return ToNamingClassOrErr.takeError(); |
8647 | |
8648 | auto ToQualifierLocOrErr = import(E->getQualifierLoc()); |
8649 | if (!ToQualifierLocOrErr) |
8650 | return ToQualifierLocOrErr.takeError(); |
8651 | |
8652 | Error Err = Error::success(); |
8653 | auto ToName = importChecked(Err, E->getName()); |
8654 | auto ToNameLoc = importChecked(Err, E->getNameLoc()); |
8655 | if (Err) |
8656 | return std::move(Err); |
8657 | DeclarationNameInfo ToNameInfo(ToName, ToNameLoc); |
8658 | |
8659 | // Import additional name location/type info. |
8660 | if (Error Err = ImportDeclarationNameLoc(From: E->getNameInfo(), To&: ToNameInfo)) |
8661 | return std::move(Err); |
8662 | |
8663 | UnresolvedSet<8> ToDecls; |
8664 | for (auto *D : E->decls()) |
8665 | if (auto ToDOrErr = import(D)) |
8666 | ToDecls.addDecl(cast<NamedDecl>(*ToDOrErr)); |
8667 | else |
8668 | return ToDOrErr.takeError(); |
8669 | |
8670 | if (E->hasExplicitTemplateArgs()) { |
8671 | TemplateArgumentListInfo ToTAInfo; |
8672 | if (Error Err = ImportTemplateArgumentListInfo( |
8673 | E->getLAngleLoc(), E->getRAngleLoc(), E->template_arguments(), |
8674 | ToTAInfo)) |
8675 | return std::move(Err); |
8676 | |
8677 | ExpectedSLoc ToTemplateKeywordLocOrErr = import(E->getTemplateKeywordLoc()); |
8678 | if (!ToTemplateKeywordLocOrErr) |
8679 | return ToTemplateKeywordLocOrErr.takeError(); |
8680 | |
8681 | const bool KnownDependent = |
8682 | (E->getDependence() & ExprDependence::TypeValue) == |
8683 | ExprDependence::TypeValue; |
8684 | return UnresolvedLookupExpr::Create( |
8685 | Importer.getToContext(), *ToNamingClassOrErr, *ToQualifierLocOrErr, |
8686 | *ToTemplateKeywordLocOrErr, ToNameInfo, E->requiresADL(), &ToTAInfo, |
8687 | ToDecls.begin(), ToDecls.end(), KnownDependent, |
8688 | /*KnownInstantiationDependent=*/E->isInstantiationDependent()); |
8689 | } |
8690 | |
8691 | return UnresolvedLookupExpr::Create( |
8692 | Importer.getToContext(), *ToNamingClassOrErr, *ToQualifierLocOrErr, |
8693 | ToNameInfo, E->requiresADL(), ToDecls.begin(), ToDecls.end(), |
8694 | /*KnownDependent=*/E->isTypeDependent(), |
8695 | /*KnownInstantiationDependent=*/E->isInstantiationDependent()); |
8696 | } |
8697 | |
8698 | ExpectedStmt |
8699 | ASTNodeImporter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) { |
8700 | Error Err = Error::success(); |
8701 | auto ToType = importChecked(Err, E->getType()); |
8702 | auto ToOperatorLoc = importChecked(Err, From: E->getOperatorLoc()); |
8703 | auto ToQualifierLoc = importChecked(Err, E->getQualifierLoc()); |
8704 | auto ToTemplateKeywordLoc = importChecked(Err, E->getTemplateKeywordLoc()); |
8705 | auto ToName = importChecked(Err, E->getName()); |
8706 | auto ToNameLoc = importChecked(Err, E->getNameLoc()); |
8707 | if (Err) |
8708 | return std::move(Err); |
8709 | |
8710 | DeclarationNameInfo ToNameInfo(ToName, ToNameLoc); |
8711 | // Import additional name location/type info. |
8712 | if (Error Err = ImportDeclarationNameLoc(From: E->getNameInfo(), To&: ToNameInfo)) |
8713 | return std::move(Err); |
8714 | |
8715 | UnresolvedSet<8> ToDecls; |
8716 | for (Decl *D : E->decls()) |
8717 | if (auto ToDOrErr = import(D)) |
8718 | ToDecls.addDecl(cast<NamedDecl>(*ToDOrErr)); |
8719 | else |
8720 | return ToDOrErr.takeError(); |
8721 | |
8722 | TemplateArgumentListInfo ToTAInfo; |
8723 | TemplateArgumentListInfo *ResInfo = nullptr; |
8724 | if (E->hasExplicitTemplateArgs()) { |
8725 | TemplateArgumentListInfo FromTAInfo; |
8726 | E->copyTemplateArgumentsInto(FromTAInfo); |
8727 | if (Error Err = ImportTemplateArgumentListInfo(Container: FromTAInfo, ToTAInfo)) |
8728 | return std::move(Err); |
8729 | ResInfo = &ToTAInfo; |
8730 | } |
8731 | |
8732 | Expr *ToBase = nullptr; |
8733 | if (!E->isImplicitAccess()) { |
8734 | if (ExpectedExpr ToBaseOrErr = import(From: E->getBase())) |
8735 | ToBase = *ToBaseOrErr; |
8736 | else |
8737 | return ToBaseOrErr.takeError(); |
8738 | } |
8739 | |
8740 | return UnresolvedMemberExpr::Create( |
8741 | Context: Importer.getToContext(), HasUnresolvedUsing: E->hasUnresolvedUsing(), Base: ToBase, BaseType: ToType, |
8742 | IsArrow: E->isArrow(), OperatorLoc: ToOperatorLoc, QualifierLoc: ToQualifierLoc, TemplateKWLoc: ToTemplateKeywordLoc, |
8743 | MemberNameInfo: ToNameInfo, TemplateArgs: ResInfo, Begin: ToDecls.begin(), End: ToDecls.end()); |
8744 | } |
8745 | |
8746 | ExpectedStmt ASTNodeImporter::VisitCallExpr(CallExpr *E) { |
8747 | Error Err = Error::success(); |
8748 | auto ToCallee = importChecked(Err, From: E->getCallee()); |
8749 | auto ToType = importChecked(Err, E->getType()); |
8750 | auto ToRParenLoc = importChecked(Err, From: E->getRParenLoc()); |
8751 | if (Err) |
8752 | return std::move(Err); |
8753 | |
8754 | unsigned NumArgs = E->getNumArgs(); |
8755 | llvm::SmallVector<Expr *, 2> ToArgs(NumArgs); |
8756 | if (Error Err = ImportContainerChecked(InContainer: E->arguments(), OutContainer&: ToArgs)) |
8757 | return std::move(Err); |
8758 | |
8759 | if (const auto *OCE = dyn_cast<CXXOperatorCallExpr>(Val: E)) { |
8760 | return CXXOperatorCallExpr::Create( |
8761 | Ctx: Importer.getToContext(), OpKind: OCE->getOperator(), Fn: ToCallee, Args: ToArgs, Ty: ToType, |
8762 | VK: OCE->getValueKind(), OperatorLoc: ToRParenLoc, FPFeatures: OCE->getFPFeatures(), |
8763 | UsesADL: OCE->getADLCallKind()); |
8764 | } |
8765 | |
8766 | return CallExpr::Create(Ctx: Importer.getToContext(), Fn: ToCallee, Args: ToArgs, Ty: ToType, |
8767 | VK: E->getValueKind(), RParenLoc: ToRParenLoc, FPFeatures: E->getFPFeatures(), |
8768 | /*MinNumArgs=*/0, UsesADL: E->getADLCallKind()); |
8769 | } |
8770 | |
8771 | ExpectedStmt ASTNodeImporter::VisitLambdaExpr(LambdaExpr *E) { |
8772 | CXXRecordDecl *FromClass = E->getLambdaClass(); |
8773 | auto ToClassOrErr = import(From: FromClass); |
8774 | if (!ToClassOrErr) |
8775 | return ToClassOrErr.takeError(); |
8776 | CXXRecordDecl *ToClass = *ToClassOrErr; |
8777 | |
8778 | auto ToCallOpOrErr = import(From: E->getCallOperator()); |
8779 | if (!ToCallOpOrErr) |
8780 | return ToCallOpOrErr.takeError(); |
8781 | |
8782 | SmallVector<Expr *, 8> ToCaptureInits(E->capture_size()); |
8783 | if (Error Err = ImportContainerChecked(InContainer: E->capture_inits(), OutContainer&: ToCaptureInits)) |
8784 | return std::move(Err); |
8785 | |
8786 | Error Err = Error::success(); |
8787 | auto ToIntroducerRange = importChecked(Err, From: E->getIntroducerRange()); |
8788 | auto ToCaptureDefaultLoc = importChecked(Err, From: E->getCaptureDefaultLoc()); |
8789 | auto ToEndLoc = importChecked(Err, From: E->getEndLoc()); |
8790 | if (Err) |
8791 | return std::move(Err); |
8792 | |
8793 | return LambdaExpr::Create(C: Importer.getToContext(), Class: ToClass, IntroducerRange: ToIntroducerRange, |
8794 | CaptureDefault: E->getCaptureDefault(), CaptureDefaultLoc: ToCaptureDefaultLoc, |
8795 | ExplicitParams: E->hasExplicitParameters(), |
8796 | ExplicitResultType: E->hasExplicitResultType(), CaptureInits: ToCaptureInits, |
8797 | ClosingBrace: ToEndLoc, ContainsUnexpandedParameterPack: E->containsUnexpandedParameterPack()); |
8798 | } |
8799 | |
8800 | |
8801 | ExpectedStmt ASTNodeImporter::VisitInitListExpr(InitListExpr *E) { |
8802 | Error Err = Error::success(); |
8803 | auto ToLBraceLoc = importChecked(Err, From: E->getLBraceLoc()); |
8804 | auto ToRBraceLoc = importChecked(Err, From: E->getRBraceLoc()); |
8805 | auto ToType = importChecked(Err, E->getType()); |
8806 | if (Err) |
8807 | return std::move(Err); |
8808 | |
8809 | SmallVector<Expr *, 4> ToExprs(E->getNumInits()); |
8810 | if (Error Err = ImportContainerChecked(InContainer: E->inits(), OutContainer&: ToExprs)) |
8811 | return std::move(Err); |
8812 | |
8813 | ASTContext &ToCtx = Importer.getToContext(); |
8814 | InitListExpr *To = new (ToCtx) InitListExpr( |
8815 | ToCtx, ToLBraceLoc, ToExprs, ToRBraceLoc); |
8816 | To->setType(ToType); |
8817 | |
8818 | if (E->hasArrayFiller()) { |
8819 | if (ExpectedExpr ToFillerOrErr = import(From: E->getArrayFiller())) |
8820 | To->setArrayFiller(*ToFillerOrErr); |
8821 | else |
8822 | return ToFillerOrErr.takeError(); |
8823 | } |
8824 | |
8825 | if (FieldDecl *FromFD = E->getInitializedFieldInUnion()) { |
8826 | if (auto ToFDOrErr = import(From: FromFD)) |
8827 | To->setInitializedFieldInUnion(*ToFDOrErr); |
8828 | else |
8829 | return ToFDOrErr.takeError(); |
8830 | } |
8831 | |
8832 | if (InitListExpr *SyntForm = E->getSyntacticForm()) { |
8833 | if (auto ToSyntFormOrErr = import(From: SyntForm)) |
8834 | To->setSyntacticForm(*ToSyntFormOrErr); |
8835 | else |
8836 | return ToSyntFormOrErr.takeError(); |
8837 | } |
8838 | |
8839 | // Copy InitListExprBitfields, which are not handled in the ctor of |
8840 | // InitListExpr. |
8841 | To->sawArrayRangeDesignator(ARD: E->hadArrayRangeDesignator()); |
8842 | |
8843 | return To; |
8844 | } |
8845 | |
8846 | ExpectedStmt ASTNodeImporter::VisitCXXStdInitializerListExpr( |
8847 | CXXStdInitializerListExpr *E) { |
8848 | ExpectedType ToTypeOrErr = import(E->getType()); |
8849 | if (!ToTypeOrErr) |
8850 | return ToTypeOrErr.takeError(); |
8851 | |
8852 | ExpectedExpr ToSubExprOrErr = import(From: E->getSubExpr()); |
8853 | if (!ToSubExprOrErr) |
8854 | return ToSubExprOrErr.takeError(); |
8855 | |
8856 | return new (Importer.getToContext()) CXXStdInitializerListExpr( |
8857 | *ToTypeOrErr, *ToSubExprOrErr); |
8858 | } |
8859 | |
8860 | ExpectedStmt ASTNodeImporter::VisitCXXInheritedCtorInitExpr( |
8861 | CXXInheritedCtorInitExpr *E) { |
8862 | Error Err = Error::success(); |
8863 | auto ToLocation = importChecked(Err, From: E->getLocation()); |
8864 | auto ToType = importChecked(Err, E->getType()); |
8865 | auto ToConstructor = importChecked(Err, From: E->getConstructor()); |
8866 | if (Err) |
8867 | return std::move(Err); |
8868 | |
8869 | return new (Importer.getToContext()) CXXInheritedCtorInitExpr( |
8870 | ToLocation, ToType, ToConstructor, E->constructsVBase(), |
8871 | E->inheritedFromVBase()); |
8872 | } |
8873 | |
8874 | ExpectedStmt ASTNodeImporter::VisitArrayInitLoopExpr(ArrayInitLoopExpr *E) { |
8875 | Error Err = Error::success(); |
8876 | auto ToType = importChecked(Err, E->getType()); |
8877 | auto ToCommonExpr = importChecked(Err, From: E->getCommonExpr()); |
8878 | auto ToSubExpr = importChecked(Err, From: E->getSubExpr()); |
8879 | if (Err) |
8880 | return std::move(Err); |
8881 | |
8882 | return new (Importer.getToContext()) ArrayInitLoopExpr( |
8883 | ToType, ToCommonExpr, ToSubExpr); |
8884 | } |
8885 | |
8886 | ExpectedStmt ASTNodeImporter::VisitArrayInitIndexExpr(ArrayInitIndexExpr *E) { |
8887 | ExpectedType ToTypeOrErr = import(E->getType()); |
8888 | if (!ToTypeOrErr) |
8889 | return ToTypeOrErr.takeError(); |
8890 | return new (Importer.getToContext()) ArrayInitIndexExpr(*ToTypeOrErr); |
8891 | } |
8892 | |
8893 | ExpectedStmt ASTNodeImporter::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E) { |
8894 | ExpectedSLoc ToBeginLocOrErr = import(From: E->getBeginLoc()); |
8895 | if (!ToBeginLocOrErr) |
8896 | return ToBeginLocOrErr.takeError(); |
8897 | |
8898 | auto ToFieldOrErr = import(From: E->getField()); |
8899 | if (!ToFieldOrErr) |
8900 | return ToFieldOrErr.takeError(); |
8901 | |
8902 | auto UsedContextOrErr = Importer.ImportContext(FromDC: E->getUsedContext()); |
8903 | if (!UsedContextOrErr) |
8904 | return UsedContextOrErr.takeError(); |
8905 | |
8906 | FieldDecl *ToField = *ToFieldOrErr; |
8907 | assert(ToField->hasInClassInitializer() && |
8908 | "Field should have in-class initializer if there is a default init " |
8909 | "expression that uses it."); |
8910 | if (!ToField->getInClassInitializer()) { |
8911 | // The in-class initializer may be not yet set in "To" AST even if the |
8912 | // field is already there. This must be set here to make construction of |
8913 | // CXXDefaultInitExpr work. |
8914 | auto ToInClassInitializerOrErr = |
8915 | import(From: E->getField()->getInClassInitializer()); |
8916 | if (!ToInClassInitializerOrErr) |
8917 | return ToInClassInitializerOrErr.takeError(); |
8918 | ToField->setInClassInitializer(*ToInClassInitializerOrErr); |
8919 | } |
8920 | |
8921 | Expr *RewrittenInit = nullptr; |
8922 | if (E->hasRewrittenInit()) { |
8923 | ExpectedExpr ExprOrErr = import(From: E->getRewrittenExpr()); |
8924 | if (!ExprOrErr) |
8925 | return ExprOrErr.takeError(); |
8926 | RewrittenInit = ExprOrErr.get(); |
8927 | } |
8928 | |
8929 | return CXXDefaultInitExpr::Create(Ctx: Importer.getToContext(), Loc: *ToBeginLocOrErr, |
8930 | Field: ToField, UsedContext: *UsedContextOrErr, RewrittenInitExpr: RewrittenInit); |
8931 | } |
8932 | |
8933 | ExpectedStmt ASTNodeImporter::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) { |
8934 | Error Err = Error::success(); |
8935 | auto ToType = importChecked(Err, E->getType()); |
8936 | auto ToSubExpr = importChecked(Err, E->getSubExpr()); |
8937 | auto ToTypeInfoAsWritten = importChecked(Err, E->getTypeInfoAsWritten()); |
8938 | auto ToOperatorLoc = importChecked(Err, From: E->getOperatorLoc()); |
8939 | auto ToRParenLoc = importChecked(Err, From: E->getRParenLoc()); |
8940 | auto ToAngleBrackets = importChecked(Err, From: E->getAngleBrackets()); |
8941 | if (Err) |
8942 | return std::move(Err); |
8943 | |
8944 | ExprValueKind VK = E->getValueKind(); |
8945 | CastKind CK = E->getCastKind(); |
8946 | auto ToBasePathOrErr = ImportCastPath(E); |
8947 | if (!ToBasePathOrErr) |
8948 | return ToBasePathOrErr.takeError(); |
8949 | |
8950 | if (auto CCE = dyn_cast<CXXStaticCastExpr>(Val: E)) { |
8951 | return CXXStaticCastExpr::Create( |
8952 | Context: Importer.getToContext(), T: ToType, VK, K: CK, Op: ToSubExpr, Path: &(*ToBasePathOrErr), |
8953 | Written: ToTypeInfoAsWritten, FPO: CCE->getFPFeatures(), L: ToOperatorLoc, RParenLoc: ToRParenLoc, |
8954 | AngleBrackets: ToAngleBrackets); |
8955 | } else if (isa<CXXDynamicCastExpr>(Val: E)) { |
8956 | return CXXDynamicCastExpr::Create( |
8957 | Context: Importer.getToContext(), T: ToType, VK, Kind: CK, Op: ToSubExpr, Path: &(*ToBasePathOrErr), |
8958 | Written: ToTypeInfoAsWritten, L: ToOperatorLoc, RParenLoc: ToRParenLoc, AngleBrackets: ToAngleBrackets); |
8959 | } else if (isa<CXXReinterpretCastExpr>(Val: E)) { |
8960 | return CXXReinterpretCastExpr::Create( |
8961 | Context: Importer.getToContext(), T: ToType, VK, Kind: CK, Op: ToSubExpr, Path: &(*ToBasePathOrErr), |
8962 | WrittenTy: ToTypeInfoAsWritten, L: ToOperatorLoc, RParenLoc: ToRParenLoc, AngleBrackets: ToAngleBrackets); |
8963 | } else if (isa<CXXConstCastExpr>(Val: E)) { |
8964 | return CXXConstCastExpr::Create( |
8965 | Context: Importer.getToContext(), T: ToType, VK, Op: ToSubExpr, WrittenTy: ToTypeInfoAsWritten, |
8966 | L: ToOperatorLoc, RParenLoc: ToRParenLoc, AngleBrackets: ToAngleBrackets); |
8967 | } else { |
8968 | llvm_unreachable("Unknown cast type"); |
8969 | return make_error<ASTImportError>(); |
8970 | } |
8971 | } |
8972 | |
8973 | ExpectedStmt ASTNodeImporter::VisitSubstNonTypeTemplateParmExpr( |
8974 | SubstNonTypeTemplateParmExpr *E) { |
8975 | Error Err = Error::success(); |
8976 | auto ToType = importChecked(Err, E->getType()); |
8977 | auto ToNameLoc = importChecked(Err, From: E->getNameLoc()); |
8978 | auto ToAssociatedDecl = importChecked(Err, From: E->getAssociatedDecl()); |
8979 | auto ToReplacement = importChecked(Err, From: E->getReplacement()); |
8980 | if (Err) |
8981 | return std::move(Err); |
8982 | |
8983 | return new (Importer.getToContext()) SubstNonTypeTemplateParmExpr( |
8984 | ToType, E->getValueKind(), ToNameLoc, ToReplacement, ToAssociatedDecl, |
8985 | E->getIndex(), E->getPackIndex(), E->isReferenceParameter(), |
8986 | E->getFinal()); |
8987 | } |
8988 | |
8989 | ExpectedStmt ASTNodeImporter::VisitTypeTraitExpr(TypeTraitExpr *E) { |
8990 | Error Err = Error::success(); |
8991 | auto ToType = importChecked(Err, E->getType()); |
8992 | auto ToBeginLoc = importChecked(Err, From: E->getBeginLoc()); |
8993 | auto ToEndLoc = importChecked(Err, From: E->getEndLoc()); |
8994 | if (Err) |
8995 | return std::move(Err); |
8996 | |
8997 | SmallVector<TypeSourceInfo *, 4> ToArgs(E->getNumArgs()); |
8998 | if (Error Err = ImportContainerChecked(InContainer: E->getArgs(), OutContainer&: ToArgs)) |
8999 | return std::move(Err); |
9000 | |
9001 | if (E->isStoredAsBoolean()) { |
9002 | // According to Sema::BuildTypeTrait(), if E is value-dependent, |
9003 | // Value is always false. |
9004 | bool ToValue = (E->isValueDependent() ? false : E->getBoolValue()); |
9005 | return TypeTraitExpr::Create(Importer.getToContext(), ToType, ToBeginLoc, |
9006 | E->getTrait(), ToArgs, ToEndLoc, ToValue); |
9007 | } |
9008 | return TypeTraitExpr::Create(Importer.getToContext(), ToType, ToBeginLoc, |
9009 | E->getTrait(), ToArgs, ToEndLoc, |
9010 | E->getAPValue()); |
9011 | } |
9012 | |
9013 | ExpectedStmt ASTNodeImporter::VisitCXXTypeidExpr(CXXTypeidExpr *E) { |
9014 | ExpectedType ToTypeOrErr = import(E->getType()); |
9015 | if (!ToTypeOrErr) |
9016 | return ToTypeOrErr.takeError(); |
9017 | |
9018 | auto ToSourceRangeOrErr = import(From: E->getSourceRange()); |
9019 | if (!ToSourceRangeOrErr) |
9020 | return ToSourceRangeOrErr.takeError(); |
9021 | |
9022 | if (E->isTypeOperand()) { |
9023 | if (auto ToTSIOrErr = import(From: E->getTypeOperandSourceInfo())) |
9024 | return new (Importer.getToContext()) CXXTypeidExpr( |
9025 | *ToTypeOrErr, *ToTSIOrErr, *ToSourceRangeOrErr); |
9026 | else |
9027 | return ToTSIOrErr.takeError(); |
9028 | } |
9029 | |
9030 | ExpectedExpr ToExprOperandOrErr = import(From: E->getExprOperand()); |
9031 | if (!ToExprOperandOrErr) |
9032 | return ToExprOperandOrErr.takeError(); |
9033 | |
9034 | return new (Importer.getToContext()) CXXTypeidExpr( |
9035 | *ToTypeOrErr, *ToExprOperandOrErr, *ToSourceRangeOrErr); |
9036 | } |
9037 | |
9038 | ExpectedStmt ASTNodeImporter::VisitCXXFoldExpr(CXXFoldExpr *E) { |
9039 | Error Err = Error::success(); |
9040 | |
9041 | QualType ToType = importChecked(Err, E->getType()); |
9042 | UnresolvedLookupExpr *ToCallee = importChecked(Err, From: E->getCallee()); |
9043 | SourceLocation ToLParenLoc = importChecked(Err, From: E->getLParenLoc()); |
9044 | Expr *ToLHS = importChecked(Err, From: E->getLHS()); |
9045 | SourceLocation ToEllipsisLoc = importChecked(Err, From: E->getEllipsisLoc()); |
9046 | Expr *ToRHS = importChecked(Err, From: E->getRHS()); |
9047 | SourceLocation ToRParenLoc = importChecked(Err, From: E->getRParenLoc()); |
9048 | |
9049 | if (Err) |
9050 | return std::move(Err); |
9051 | |
9052 | return new (Importer.getToContext()) |
9053 | CXXFoldExpr(ToType, ToCallee, ToLParenLoc, ToLHS, E->getOperator(), |
9054 | ToEllipsisLoc, ToRHS, ToRParenLoc, E->getNumExpansions()); |
9055 | } |
9056 | |
9057 | Error ASTNodeImporter::ImportOverriddenMethods(CXXMethodDecl *ToMethod, |
9058 | CXXMethodDecl *FromMethod) { |
9059 | Error ImportErrors = Error::success(); |
9060 | for (auto *FromOverriddenMethod : FromMethod->overridden_methods()) { |
9061 | if (auto ImportedOrErr = import(From: FromOverriddenMethod)) |
9062 | ToMethod->getCanonicalDecl()->addOverriddenMethod(MD: cast<CXXMethodDecl>( |
9063 | Val: (*ImportedOrErr)->getCanonicalDecl())); |
9064 | else |
9065 | ImportErrors = |
9066 | joinErrors(E1: std::move(ImportErrors), E2: ImportedOrErr.takeError()); |
9067 | } |
9068 | return ImportErrors; |
9069 | } |
9070 | |
9071 | ASTImporter::ASTImporter(ASTContext &ToContext, FileManager &ToFileManager, |
9072 | ASTContext &FromContext, FileManager &FromFileManager, |
9073 | bool MinimalImport, |
9074 | std::shared_ptr<ASTImporterSharedState> SharedState) |
9075 | : SharedState(SharedState), ToContext(ToContext), FromContext(FromContext), |
9076 | ToFileManager(ToFileManager), FromFileManager(FromFileManager), |
9077 | Minimal(MinimalImport), ODRHandling(ODRHandlingType::Conservative) { |
9078 | |
9079 | // Create a default state without the lookup table: LLDB case. |
9080 | if (!SharedState) { |
9081 | this->SharedState = std::make_shared<ASTImporterSharedState>(); |
9082 | } |
9083 | |
9084 | ImportedDecls[FromContext.getTranslationUnitDecl()] = |
9085 | ToContext.getTranslationUnitDecl(); |
9086 | } |
9087 | |
9088 | ASTImporter::~ASTImporter() = default; |
9089 | |
9090 | UnsignedOrNone ASTImporter::getFieldIndex(Decl *F) { |
9091 | assert(F && (isa<FieldDecl>(*F) || isa<IndirectFieldDecl>(*F)) && |
9092 | "Try to get field index for non-field."); |
9093 | |
9094 | auto *Owner = dyn_cast<RecordDecl>(Val: F->getDeclContext()); |
9095 | if (!Owner) |
9096 | return std::nullopt; |
9097 | |
9098 | unsigned Index = 0; |
9099 | for (const auto *D : Owner->decls()) { |
9100 | if (D == F) |
9101 | return Index; |
9102 | |
9103 | if (isa<FieldDecl>(*D) || isa<IndirectFieldDecl>(*D)) |
9104 | ++Index; |
9105 | } |
9106 | |
9107 | llvm_unreachable("Field was not found in its parent context."); |
9108 | |
9109 | return std::nullopt; |
9110 | } |
9111 | |
9112 | ASTImporter::FoundDeclsTy |
9113 | ASTImporter::findDeclsInToCtx(DeclContext *DC, DeclarationName Name) { |
9114 | // We search in the redecl context because of transparent contexts. |
9115 | // E.g. a simple C language enum is a transparent context: |
9116 | // enum E { A, B }; |
9117 | // Now if we had a global variable in the TU |
9118 | // int A; |
9119 | // then the enum constant 'A' and the variable 'A' violates ODR. |
9120 | // We can diagnose this only if we search in the redecl context. |
9121 | DeclContext *ReDC = DC->getRedeclContext(); |
9122 | if (SharedState->getLookupTable()) { |
9123 | if (ReDC->isNamespace()) { |
9124 | // Namespaces can be reopened. |
9125 | // Lookup table does not handle this, we must search here in all linked |
9126 | // namespaces. |
9127 | FoundDeclsTy Result; |
9128 | SmallVector<Decl *, 2> NSChain = |
9129 | getCanonicalForwardRedeclChain<NamespaceDecl>( |
9130 | dyn_cast<NamespaceDecl>(Val: ReDC)); |
9131 | for (auto *D : NSChain) { |
9132 | ASTImporterLookupTable::LookupResult LookupResult = |
9133 | SharedState->getLookupTable()->lookup(dyn_cast<NamespaceDecl>(D), |
9134 | Name); |
9135 | Result.append(LookupResult.begin(), LookupResult.end()); |
9136 | } |
9137 | return Result; |
9138 | } else { |
9139 | ASTImporterLookupTable::LookupResult LookupResult = |
9140 | SharedState->getLookupTable()->lookup(DC: ReDC, Name); |
9141 | return FoundDeclsTy(LookupResult.begin(), LookupResult.end()); |
9142 | } |
9143 | } else { |
9144 | DeclContext::lookup_result NoloadLookupResult = ReDC->noload_lookup(Name); |
9145 | FoundDeclsTy Result(NoloadLookupResult.begin(), NoloadLookupResult.end()); |
9146 | // We must search by the slow case of localUncachedLookup because that is |
9147 | // working even if there is no LookupPtr for the DC. We could use |
9148 | // DC::buildLookup() to create the LookupPtr, but that would load external |
9149 | // decls again, we must avoid that case. |
9150 | // Also, even if we had the LookupPtr, we must find Decls which are not |
9151 | // in the LookupPtr, so we need the slow case. |
9152 | // These cases are handled in ASTImporterLookupTable, but we cannot use |
9153 | // that with LLDB since that traverses through the AST which initiates the |
9154 | // load of external decls again via DC::decls(). And again, we must avoid |
9155 | // loading external decls during the import. |
9156 | if (Result.empty()) |
9157 | ReDC->localUncachedLookup(Name, Results&: Result); |
9158 | return Result; |
9159 | } |
9160 | } |
9161 | |
9162 | void ASTImporter::AddToLookupTable(Decl *ToD) { |
9163 | SharedState->addDeclToLookup(D: ToD); |
9164 | } |
9165 | |
9166 | Expected<Decl *> ASTImporter::ImportImpl(Decl *FromD) { |
9167 | // Import the decl using ASTNodeImporter. |
9168 | ASTNodeImporter Importer(*this); |
9169 | return Importer.Visit(FromD); |
9170 | } |
9171 | |
9172 | void ASTImporter::RegisterImportedDecl(Decl *FromD, Decl *ToD) { |
9173 | MapImported(From: FromD, To: ToD); |
9174 | } |
9175 | |
9176 | llvm::Expected<ExprWithCleanups::CleanupObject> |
9177 | ASTImporter::Import(ExprWithCleanups::CleanupObject From) { |
9178 | if (auto *CLE = From.dyn_cast<CompoundLiteralExpr *>()) { |
9179 | if (Expected<Expr *> R = Import(From: CLE)) |
9180 | return ExprWithCleanups::CleanupObject(cast<CompoundLiteralExpr>(Val: *R)); |
9181 | } |
9182 | |
9183 | // FIXME: Handle BlockDecl when we implement importing BlockExpr in |
9184 | // ASTNodeImporter. |
9185 | return make_error<ASTImportError>(Args: ASTImportError::UnsupportedConstruct); |
9186 | } |
9187 | |
9188 | ExpectedTypePtr ASTImporter::Import(const Type *FromT) { |
9189 | if (!FromT) |
9190 | return FromT; |
9191 | |
9192 | // Check whether we've already imported this type. |
9193 | llvm::DenseMap<const Type *, const Type *>::iterator Pos = |
9194 | ImportedTypes.find(Val: FromT); |
9195 | if (Pos != ImportedTypes.end()) |
9196 | return Pos->second; |
9197 | |
9198 | // Import the type. |
9199 | ASTNodeImporter Importer(*this); |
9200 | ExpectedType ToTOrErr = Importer.Visit(T: FromT); |
9201 | if (!ToTOrErr) |
9202 | return ToTOrErr.takeError(); |
9203 | |
9204 | // Record the imported type. |
9205 | ImportedTypes[FromT] = ToTOrErr->getTypePtr(); |
9206 | |
9207 | return ToTOrErr->getTypePtr(); |
9208 | } |
9209 | |
9210 | Expected<QualType> ASTImporter::Import(QualType FromT) { |
9211 | if (FromT.isNull()) |
9212 | return QualType{}; |
9213 | |
9214 | ExpectedTypePtr ToTyOrErr = Import(FromT: FromT.getTypePtr()); |
9215 | if (!ToTyOrErr) |
9216 | return ToTyOrErr.takeError(); |
9217 | |
9218 | return ToContext.getQualifiedType(T: *ToTyOrErr, Qs: FromT.getLocalQualifiers()); |
9219 | } |
9220 | |
9221 | Expected<TypeSourceInfo *> ASTImporter::Import(TypeSourceInfo *FromTSI) { |
9222 | if (!FromTSI) |
9223 | return FromTSI; |
9224 | |
9225 | // FIXME: For now we just create a "trivial" type source info based |
9226 | // on the type and a single location. Implement a real version of this. |
9227 | ExpectedType TOrErr = Import(FromT: FromTSI->getType()); |
9228 | if (!TOrErr) |
9229 | return TOrErr.takeError(); |
9230 | ExpectedSLoc BeginLocOrErr = Import(FromLoc: FromTSI->getTypeLoc().getBeginLoc()); |
9231 | if (!BeginLocOrErr) |
9232 | return BeginLocOrErr.takeError(); |
9233 | |
9234 | return ToContext.getTrivialTypeSourceInfo(T: *TOrErr, Loc: *BeginLocOrErr); |
9235 | } |
9236 | |
9237 | namespace { |
9238 | // To use this object, it should be created before the new attribute is created, |
9239 | // and destructed after it is created. The construction already performs the |
9240 | // import of the data. |
9241 | template <typename T> struct AttrArgImporter { |
9242 | AttrArgImporter(const AttrArgImporter<T> &) = delete; |
9243 | AttrArgImporter(AttrArgImporter<T> &&) = default; |
9244 | AttrArgImporter<T> &operator=(const AttrArgImporter<T> &) = delete; |
9245 | AttrArgImporter<T> &operator=(AttrArgImporter<T> &&) = default; |
9246 | |
9247 | AttrArgImporter(ASTNodeImporter &I, Error &Err, const T &From) |
9248 | : To(I.importChecked(Err, From)) {} |
9249 | |
9250 | const T &value() { return To; } |
9251 | |
9252 | private: |
9253 | T To; |
9254 | }; |
9255 | |
9256 | // To use this object, it should be created before the new attribute is created, |
9257 | // and destructed after it is created. The construction already performs the |
9258 | // import of the data. The array data is accessible in a pointer form, this form |
9259 | // is used by the attribute classes. This object should be created once for the |
9260 | // array data to be imported (the array size is not imported, just copied). |
9261 | template <typename T> struct AttrArgArrayImporter { |
9262 | AttrArgArrayImporter(const AttrArgArrayImporter<T> &) = delete; |
9263 | AttrArgArrayImporter(AttrArgArrayImporter<T> &&) = default; |
9264 | AttrArgArrayImporter<T> &operator=(const AttrArgArrayImporter<T> &) = delete; |
9265 | AttrArgArrayImporter<T> &operator=(AttrArgArrayImporter<T> &&) = default; |
9266 | |
9267 | AttrArgArrayImporter(ASTNodeImporter &I, Error &Err, |
9268 | const llvm::iterator_range<T *> &From, |
9269 | unsigned ArraySize) { |
9270 | if (Err) |
9271 | return; |
9272 | To.reserve(ArraySize); |
9273 | Err = I.ImportContainerChecked(From, To); |
9274 | } |
9275 | |
9276 | T *value() { return To.data(); } |
9277 | |
9278 | private: |
9279 | llvm::SmallVector<T, 2> To; |
9280 | }; |
9281 | |
9282 | class AttrImporter { |
9283 | Error Err{Error::success()}; |
9284 | Attr *ToAttr = nullptr; |
9285 | ASTImporter &Importer; |
9286 | ASTNodeImporter NImporter; |
9287 | |
9288 | public: |
9289 | AttrImporter(ASTImporter &I) : Importer(I), NImporter(I) {} |
9290 | |
9291 | // Useful for accessing the imported attribute. |
9292 | template <typename T> T *castAttrAs() { return cast<T>(ToAttr); } |
9293 | template <typename T> const T *castAttrAs() const { return cast<T>(ToAttr); } |
9294 | |
9295 | // Create an "importer" for an attribute parameter. |
9296 | // Result of the 'value()' of that object is to be passed to the function |
9297 | // 'importAttr', in the order that is expected by the attribute class. |
9298 | template <class T> AttrArgImporter<T> importArg(const T &From) { |
9299 | return AttrArgImporter<T>(NImporter, Err, From); |
9300 | } |
9301 | |
9302 | // Create an "importer" for an attribute parameter that has array type. |
9303 | // Result of the 'value()' of that object is to be passed to the function |
9304 | // 'importAttr', then the size of the array as next argument. |
9305 | template <typename T> |
9306 | AttrArgArrayImporter<T> importArrayArg(const llvm::iterator_range<T *> &From, |
9307 | unsigned ArraySize) { |
9308 | return AttrArgArrayImporter<T>(NImporter, Err, From, ArraySize); |
9309 | } |
9310 | |
9311 | // Create an attribute object with the specified arguments. |
9312 | // The 'FromAttr' is the original (not imported) attribute, the 'ImportedArg' |
9313 | // should be values that are passed to the 'Create' function of the attribute. |
9314 | // (The 'Create' with 'ASTContext' first and 'AttributeCommonInfo' last is |
9315 | // used here.) As much data is copied or imported from the old attribute |
9316 | // as possible. The passed arguments should be already imported. |
9317 | // If an import error happens, the internal error is set to it, and any |
9318 | // further import attempt is ignored. |
9319 | template <typename T, typename... Arg> |
9320 | void importAttr(const T *FromAttr, Arg &&...ImportedArg) { |
9321 | static_assert(std::is_base_of<Attr, T>::value, |
9322 | "T should be subclass of Attr."); |
9323 | assert(!ToAttr && "Use one AttrImporter to import one Attribute object."); |
9324 | |
9325 | const IdentifierInfo *ToAttrName = Importer.Import(FromAttr->getAttrName()); |
9326 | const IdentifierInfo *ToScopeName = |
9327 | Importer.Import(FromAttr->getScopeName()); |
9328 | SourceRange ToAttrRange = |
9329 | NImporter.importChecked(Err, FromAttr->getRange()); |
9330 | SourceLocation ToScopeLoc = |
9331 | NImporter.importChecked(Err, FromAttr->getScopeLoc()); |
9332 | |
9333 | if (Err) |
9334 | return; |
9335 | |
9336 | AttributeCommonInfo ToI(ToAttrName, ToScopeName, ToAttrRange, ToScopeLoc, |
9337 | FromAttr->getParsedKind(), FromAttr->getForm()); |
9338 | // The "SemanticSpelling" is not needed to be passed to the constructor. |
9339 | // That value is recalculated from the SpellingListIndex if needed. |
9340 | ToAttr = T::Create(Importer.getToContext(), |
9341 | std::forward<Arg>(ImportedArg)..., ToI); |
9342 | |
9343 | ToAttr->setImplicit(FromAttr->isImplicit()); |
9344 | ToAttr->setPackExpansion(FromAttr->isPackExpansion()); |
9345 | if (auto *ToInheritableAttr = dyn_cast<InheritableAttr>(Val: ToAttr)) |
9346 | ToInheritableAttr->setInherited(FromAttr->isInherited()); |
9347 | } |
9348 | |
9349 | // Create a clone of the 'FromAttr' and import its source range only. |
9350 | // This causes objects with invalid references to be created if the 'FromAttr' |
9351 | // contains other data that should be imported. |
9352 | void cloneAttr(const Attr *FromAttr) { |
9353 | assert(!ToAttr && "Use one AttrImporter to import one Attribute object."); |
9354 | |
9355 | SourceRange ToRange = NImporter.importChecked(Err, From: FromAttr->getRange()); |
9356 | if (Err) |
9357 | return; |
9358 | |
9359 | ToAttr = FromAttr->clone(C&: Importer.getToContext()); |
9360 | ToAttr->setRange(ToRange); |
9361 | ToAttr->setAttrName(Importer.Import(FromId: FromAttr->getAttrName())); |
9362 | } |
9363 | |
9364 | // Get the result of the previous import attempt (can be used only once). |
9365 | llvm::Expected<Attr *> getResult() && { |
9366 | if (Err) |
9367 | return std::move(Err); |
9368 | assert(ToAttr && "Attribute should be created."); |
9369 | return ToAttr; |
9370 | } |
9371 | }; |
9372 | } // namespace |
9373 | |
9374 | Expected<Attr *> ASTImporter::Import(const Attr *FromAttr) { |
9375 | AttrImporter AI(*this); |
9376 | |
9377 | // FIXME: Is there some kind of AttrVisitor to use here? |
9378 | switch (FromAttr->getKind()) { |
9379 | case attr::Aligned: { |
9380 | auto *From = cast<AlignedAttr>(FromAttr); |
9381 | if (From->isAlignmentExpr()) |
9382 | AI.importAttr(From, true, AI.importArg(From->getAlignmentExpr()).value()); |
9383 | else |
9384 | AI.importAttr(From, false, |
9385 | AI.importArg(From->getAlignmentType()).value()); |
9386 | break; |
9387 | } |
9388 | |
9389 | case attr::AlignValue: { |
9390 | auto *From = cast<AlignValueAttr>(FromAttr); |
9391 | AI.importAttr(From, AI.importArg(From->getAlignment()).value()); |
9392 | break; |
9393 | } |
9394 | |
9395 | case attr::Format: { |
9396 | const auto *From = cast<FormatAttr>(FromAttr); |
9397 | AI.importAttr(From, Import(From->getType()), From->getFormatIdx(), |
9398 | From->getFirstArg()); |
9399 | break; |
9400 | } |
9401 | |
9402 | case attr::EnableIf: { |
9403 | const auto *From = cast<EnableIfAttr>(FromAttr); |
9404 | AI.importAttr(From, AI.importArg(From->getCond()).value(), |
9405 | From->getMessage()); |
9406 | break; |
9407 | } |
9408 | |
9409 | case attr::AssertCapability: { |
9410 | const auto *From = cast<AssertCapabilityAttr>(FromAttr); |
9411 | AI.importAttr(From, |
9412 | AI.importArrayArg(From->args(), From->args_size()).value(), |
9413 | From->args_size()); |
9414 | break; |
9415 | } |
9416 | case attr::AcquireCapability: { |
9417 | const auto *From = cast<AcquireCapabilityAttr>(FromAttr); |
9418 | AI.importAttr(From, |
9419 | AI.importArrayArg(From->args(), From->args_size()).value(), |
9420 | From->args_size()); |
9421 | break; |
9422 | } |
9423 | case attr::TryAcquireCapability: { |
9424 | const auto *From = cast<TryAcquireCapabilityAttr>(FromAttr); |
9425 | AI.importAttr(From, AI.importArg(From->getSuccessValue()).value(), |
9426 | AI.importArrayArg(From->args(), From->args_size()).value(), |
9427 | From->args_size()); |
9428 | break; |
9429 | } |
9430 | case attr::ReleaseCapability: { |
9431 | const auto *From = cast<ReleaseCapabilityAttr>(FromAttr); |
9432 | AI.importAttr(From, |
9433 | AI.importArrayArg(From->args(), From->args_size()).value(), |
9434 | From->args_size()); |
9435 | break; |
9436 | } |
9437 | case attr::RequiresCapability: { |
9438 | const auto *From = cast<RequiresCapabilityAttr>(FromAttr); |
9439 | AI.importAttr(From, |
9440 | AI.importArrayArg(From->args(), From->args_size()).value(), |
9441 | From->args_size()); |
9442 | break; |
9443 | } |
9444 | case attr::GuardedBy: { |
9445 | const auto *From = cast<GuardedByAttr>(FromAttr); |
9446 | AI.importAttr(From, AI.importArg(From->getArg()).value()); |
9447 | break; |
9448 | } |
9449 | case attr::PtGuardedBy: { |
9450 | const auto *From = cast<PtGuardedByAttr>(FromAttr); |
9451 | AI.importAttr(From, AI.importArg(From->getArg()).value()); |
9452 | break; |
9453 | } |
9454 | case attr::AcquiredAfter: { |
9455 | const auto *From = cast<AcquiredAfterAttr>(FromAttr); |
9456 | AI.importAttr(From, |
9457 | AI.importArrayArg(From->args(), From->args_size()).value(), |
9458 | From->args_size()); |
9459 | break; |
9460 | } |
9461 | case attr::AcquiredBefore: { |
9462 | const auto *From = cast<AcquiredBeforeAttr>(FromAttr); |
9463 | AI.importAttr(From, |
9464 | AI.importArrayArg(From->args(), From->args_size()).value(), |
9465 | From->args_size()); |
9466 | break; |
9467 | } |
9468 | case attr::LockReturned: { |
9469 | const auto *From = cast<LockReturnedAttr>(FromAttr); |
9470 | AI.importAttr(From, AI.importArg(From->getArg()).value()); |
9471 | break; |
9472 | } |
9473 | case attr::LocksExcluded: { |
9474 | const auto *From = cast<LocksExcludedAttr>(FromAttr); |
9475 | AI.importAttr(From, |
9476 | AI.importArrayArg(From->args(), From->args_size()).value(), |
9477 | From->args_size()); |
9478 | break; |
9479 | } |
9480 | default: { |
9481 | // The default branch works for attributes that have no arguments to import. |
9482 | // FIXME: Handle every attribute type that has arguments of type to import |
9483 | // (most often Expr* or Decl* or type) in the switch above. |
9484 | AI.cloneAttr(FromAttr); |
9485 | break; |
9486 | } |
9487 | } |
9488 | |
9489 | return std::move(AI).getResult(); |
9490 | } |
9491 | |
9492 | Decl *ASTImporter::GetAlreadyImportedOrNull(const Decl *FromD) const { |
9493 | return ImportedDecls.lookup(Val: FromD); |
9494 | } |
9495 | |
9496 | TranslationUnitDecl *ASTImporter::GetFromTU(Decl *ToD) { |
9497 | auto FromDPos = ImportedFromDecls.find(Val: ToD); |
9498 | if (FromDPos == ImportedFromDecls.end()) |
9499 | return nullptr; |
9500 | return FromDPos->second->getTranslationUnitDecl(); |
9501 | } |
9502 | |
9503 | Expected<Decl *> ASTImporter::Import(Decl *FromD) { |
9504 | if (!FromD) |
9505 | return nullptr; |
9506 | |
9507 | // Push FromD to the stack, and remove that when we return. |
9508 | ImportPath.push(D: FromD); |
9509 | auto ImportPathBuilder = |
9510 | llvm::make_scope_exit(F: [this]() { ImportPath.pop(); }); |
9511 | |
9512 | // Check whether there was a previous failed import. |
9513 | // If yes return the existing error. |
9514 | if (auto Error = getImportDeclErrorIfAny(FromD)) |
9515 | return make_error<ASTImportError>(Args&: *Error); |
9516 | |
9517 | // Check whether we've already imported this declaration. |
9518 | Decl *ToD = GetAlreadyImportedOrNull(FromD); |
9519 | if (ToD) { |
9520 | // Already imported (possibly from another TU) and with an error. |
9521 | if (auto Error = SharedState->getImportDeclErrorIfAny(ToD)) { |
9522 | setImportDeclError(From: FromD, Error: *Error); |
9523 | return make_error<ASTImportError>(Args&: *Error); |
9524 | } |
9525 | |
9526 | // If FromD has some updated flags after last import, apply it. |
9527 | updateFlags(From: FromD, To: ToD); |
9528 | // If we encounter a cycle during an import then we save the relevant part |
9529 | // of the import path associated to the Decl. |
9530 | if (ImportPath.hasCycleAtBack()) |
9531 | SavedImportPaths[FromD].push_back(Elt: ImportPath.copyCycleAtBack()); |
9532 | return ToD; |
9533 | } |
9534 | |
9535 | // Import the declaration. |
9536 | ExpectedDecl ToDOrErr = ImportImpl(FromD); |
9537 | if (!ToDOrErr) { |
9538 | // Failed to import. |
9539 | |
9540 | auto Pos = ImportedDecls.find(Val: FromD); |
9541 | if (Pos != ImportedDecls.end()) { |
9542 | // Import failed after the object was created. |
9543 | // Remove all references to it. |
9544 | auto *ToD = Pos->second; |
9545 | ImportedDecls.erase(I: Pos); |
9546 | |
9547 | // ImportedDecls and ImportedFromDecls are not symmetric. It may happen |
9548 | // (e.g. with namespaces) that several decls from the 'from' context are |
9549 | // mapped to the same decl in the 'to' context. If we removed entries |
9550 | // from the LookupTable here then we may end up removing them multiple |
9551 | // times. |
9552 | |
9553 | // The Lookuptable contains decls only which are in the 'to' context. |
9554 | // Remove from the Lookuptable only if it is *imported* into the 'to' |
9555 | // context (and do not remove it if it was added during the initial |
9556 | // traverse of the 'to' context). |
9557 | auto PosF = ImportedFromDecls.find(Val: ToD); |
9558 | if (PosF != ImportedFromDecls.end()) { |
9559 | // In the case of TypedefNameDecl we create the Decl first and only |
9560 | // then we import and set its DeclContext. So, the DC might not be set |
9561 | // when we reach here. |
9562 | if (ToD->getDeclContext()) |
9563 | SharedState->removeDeclFromLookup(D: ToD); |
9564 | ImportedFromDecls.erase(I: PosF); |
9565 | } |
9566 | |
9567 | // FIXME: AST may contain remaining references to the failed object. |
9568 | // However, the ImportDeclErrors in the shared state contains all the |
9569 | // failed objects together with their error. |
9570 | } |
9571 | |
9572 | // Error encountered for the first time. |
9573 | // After takeError the error is not usable any more in ToDOrErr. |
9574 | // Get a copy of the error object (any more simple solution for this?). |
9575 | ASTImportError ErrOut; |
9576 | handleAllErrors(E: ToDOrErr.takeError(), |
9577 | Handlers: [&ErrOut](const ASTImportError &E) { ErrOut = E; }); |
9578 | setImportDeclError(From: FromD, Error: ErrOut); |
9579 | // Set the error for the mapped to Decl, which is in the "to" context. |
9580 | if (Pos != ImportedDecls.end()) |
9581 | SharedState->setImportDeclError(To: Pos->second, Error: ErrOut); |
9582 | |
9583 | // Set the error for all nodes which have been created before we |
9584 | // recognized the error. |
9585 | for (const auto &Path : SavedImportPaths[FromD]) { |
9586 | // The import path contains import-dependency nodes first. |
9587 | // Save the node that was imported as dependency of the current node. |
9588 | Decl *PrevFromDi = FromD; |
9589 | for (Decl *FromDi : Path) { |
9590 | // Begin and end of the path equals 'FromD', skip it. |
9591 | if (FromDi == FromD) |
9592 | continue; |
9593 | // We should not set import error on a node and all following nodes in |
9594 | // the path if child import errors are ignored. |
9595 | if (ChildErrorHandlingStrategy(FromDi).ignoreChildErrorOnParent( |
9596 | FromChildD: PrevFromDi)) |
9597 | break; |
9598 | PrevFromDi = FromDi; |
9599 | setImportDeclError(From: FromDi, Error: ErrOut); |
9600 | //FIXME Should we remove these Decls from ImportedDecls? |
9601 | // Set the error for the mapped to Decl, which is in the "to" context. |
9602 | auto Ii = ImportedDecls.find(Val: FromDi); |
9603 | if (Ii != ImportedDecls.end()) |
9604 | SharedState->setImportDeclError(To: Ii->second, Error: ErrOut); |
9605 | // FIXME Should we remove these Decls from the LookupTable, |
9606 | // and from ImportedFromDecls? |
9607 | } |
9608 | } |
9609 | SavedImportPaths.erase(Val: FromD); |
9610 | |
9611 | // Do not return ToDOrErr, error was taken out of it. |
9612 | return make_error<ASTImportError>(Args&: ErrOut); |
9613 | } |
9614 | |
9615 | ToD = *ToDOrErr; |
9616 | |
9617 | // FIXME: Handle the "already imported with error" case. We can get here |
9618 | // nullptr only if GetImportedOrCreateDecl returned nullptr (after a |
9619 | // previously failed create was requested). |
9620 | // Later GetImportedOrCreateDecl can be updated to return the error. |
9621 | if (!ToD) { |
9622 | auto Err = getImportDeclErrorIfAny(FromD); |
9623 | assert(Err); |
9624 | return make_error<ASTImportError>(Args&: *Err); |
9625 | } |
9626 | |
9627 | // We could import from the current TU without error. But previously we |
9628 | // already had imported a Decl as `ToD` from another TU (with another |
9629 | // ASTImporter object) and with an error. |
9630 | if (auto Error = SharedState->getImportDeclErrorIfAny(ToD)) { |
9631 | setImportDeclError(From: FromD, Error: *Error); |
9632 | return make_error<ASTImportError>(Args&: *Error); |
9633 | } |
9634 | // Make sure that ImportImpl registered the imported decl. |
9635 | assert(ImportedDecls.count(FromD) != 0 && "Missing call to MapImported?"); |
9636 | |
9637 | if (FromD->hasAttrs()) |
9638 | for (const Attr *FromAttr : FromD->getAttrs()) { |
9639 | auto ToAttrOrErr = Import(FromAttr); |
9640 | if (ToAttrOrErr) |
9641 | ToD->addAttr(A: *ToAttrOrErr); |
9642 | else |
9643 | return ToAttrOrErr.takeError(); |
9644 | } |
9645 | |
9646 | // Notify subclasses. |
9647 | Imported(From: FromD, To: ToD); |
9648 | |
9649 | updateFlags(From: FromD, To: ToD); |
9650 | SavedImportPaths.erase(Val: FromD); |
9651 | return ToDOrErr; |
9652 | } |
9653 | |
9654 | llvm::Expected<InheritedConstructor> |
9655 | ASTImporter::Import(const InheritedConstructor &From) { |
9656 | return ASTNodeImporter(*this).ImportInheritedConstructor(From); |
9657 | } |
9658 | |
9659 | Expected<DeclContext *> ASTImporter::ImportContext(DeclContext *FromDC) { |
9660 | if (!FromDC) |
9661 | return FromDC; |
9662 | |
9663 | ExpectedDecl ToDCOrErr = Import(FromD: cast<Decl>(Val: FromDC)); |
9664 | if (!ToDCOrErr) |
9665 | return ToDCOrErr.takeError(); |
9666 | auto *ToDC = cast<DeclContext>(Val: *ToDCOrErr); |
9667 | |
9668 | // When we're using a record/enum/Objective-C class/protocol as a context, we |
9669 | // need it to have a definition. |
9670 | if (auto *ToRecord = dyn_cast<RecordDecl>(Val: ToDC)) { |
9671 | auto *FromRecord = cast<RecordDecl>(Val: FromDC); |
9672 | if (ToRecord->isCompleteDefinition()) |
9673 | return ToDC; |
9674 | |
9675 | // If FromRecord is not defined we need to force it to be. |
9676 | // Simply calling CompleteDecl(...) for a RecordDecl will break some cases |
9677 | // it will start the definition but we never finish it. |
9678 | // If there are base classes they won't be imported and we will |
9679 | // be missing anything that we inherit from those bases. |
9680 | if (FromRecord->getASTContext().getExternalSource() && |
9681 | !FromRecord->isCompleteDefinition()) |
9682 | FromRecord->getASTContext().getExternalSource()->CompleteType(FromRecord); |
9683 | |
9684 | if (FromRecord->isCompleteDefinition()) |
9685 | if (Error Err = ASTNodeImporter(*this).ImportDefinition( |
9686 | From: FromRecord, To: ToRecord, Kind: ASTNodeImporter::IDK_Basic)) |
9687 | return std::move(Err); |
9688 | } else if (auto *ToEnum = dyn_cast<EnumDecl>(Val: ToDC)) { |
9689 | auto *FromEnum = cast<EnumDecl>(Val: FromDC); |
9690 | if (ToEnum->isCompleteDefinition()) { |
9691 | // Do nothing. |
9692 | } else if (FromEnum->isCompleteDefinition()) { |
9693 | if (Error Err = ASTNodeImporter(*this).ImportDefinition( |
9694 | From: FromEnum, To: ToEnum, Kind: ASTNodeImporter::IDK_Basic)) |
9695 | return std::move(Err); |
9696 | } else { |
9697 | CompleteDecl(ToEnum); |
9698 | } |
9699 | } else if (auto *ToClass = dyn_cast<ObjCInterfaceDecl>(Val: ToDC)) { |
9700 | auto *FromClass = cast<ObjCInterfaceDecl>(Val: FromDC); |
9701 | if (ToClass->getDefinition()) { |
9702 | // Do nothing. |
9703 | } else if (ObjCInterfaceDecl *FromDef = FromClass->getDefinition()) { |
9704 | if (Error Err = ASTNodeImporter(*this).ImportDefinition( |
9705 | From: FromDef, To: ToClass, Kind: ASTNodeImporter::IDK_Basic)) |
9706 | return std::move(Err); |
9707 | } else { |
9708 | CompleteDecl(ToClass); |
9709 | } |
9710 | } else if (auto *ToProto = dyn_cast<ObjCProtocolDecl>(Val: ToDC)) { |
9711 | auto *FromProto = cast<ObjCProtocolDecl>(Val: FromDC); |
9712 | if (ToProto->getDefinition()) { |
9713 | // Do nothing. |
9714 | } else if (ObjCProtocolDecl *FromDef = FromProto->getDefinition()) { |
9715 | if (Error Err = ASTNodeImporter(*this).ImportDefinition( |
9716 | From: FromDef, To: ToProto, Kind: ASTNodeImporter::IDK_Basic)) |
9717 | return std::move(Err); |
9718 | } else { |
9719 | CompleteDecl(ToProto); |
9720 | } |
9721 | } |
9722 | |
9723 | return ToDC; |
9724 | } |
9725 | |
9726 | Expected<Expr *> ASTImporter::Import(Expr *FromE) { |
9727 | if (ExpectedStmt ToSOrErr = Import(FromS: cast_or_null<Stmt>(Val: FromE))) |
9728 | return cast_or_null<Expr>(Val: *ToSOrErr); |
9729 | else |
9730 | return ToSOrErr.takeError(); |
9731 | } |
9732 | |
9733 | Expected<Stmt *> ASTImporter::Import(Stmt *FromS) { |
9734 | if (!FromS) |
9735 | return nullptr; |
9736 | |
9737 | // Check whether we've already imported this statement. |
9738 | llvm::DenseMap<Stmt *, Stmt *>::iterator Pos = ImportedStmts.find(Val: FromS); |
9739 | if (Pos != ImportedStmts.end()) |
9740 | return Pos->second; |
9741 | |
9742 | // Import the statement. |
9743 | ASTNodeImporter Importer(*this); |
9744 | ExpectedStmt ToSOrErr = Importer.Visit(FromS); |
9745 | if (!ToSOrErr) |
9746 | return ToSOrErr; |
9747 | |
9748 | if (auto *ToE = dyn_cast<Expr>(*ToSOrErr)) { |
9749 | auto *FromE = cast<Expr>(Val: FromS); |
9750 | // Copy ExprBitfields, which may not be handled in Expr subclasses |
9751 | // constructors. |
9752 | ToE->setValueKind(FromE->getValueKind()); |
9753 | ToE->setObjectKind(FromE->getObjectKind()); |
9754 | ToE->setDependence(FromE->getDependence()); |
9755 | } |
9756 | |
9757 | // Record the imported statement object. |
9758 | ImportedStmts[FromS] = *ToSOrErr; |
9759 | return ToSOrErr; |
9760 | } |
9761 | |
9762 | Expected<NestedNameSpecifier *> |
9763 | ASTImporter::Import(NestedNameSpecifier *FromNNS) { |
9764 | if (!FromNNS) |
9765 | return nullptr; |
9766 | |
9767 | NestedNameSpecifier *Prefix = nullptr; |
9768 | if (Error Err = importInto(To&: Prefix, From: FromNNS->getPrefix())) |
9769 | return std::move(Err); |
9770 | |
9771 | switch (FromNNS->getKind()) { |
9772 | case NestedNameSpecifier::Identifier: |
9773 | assert(FromNNS->getAsIdentifier() && "NNS should contain identifier."); |
9774 | return NestedNameSpecifier::Create(Context: ToContext, Prefix, |
9775 | II: Import(FromId: FromNNS->getAsIdentifier())); |
9776 | |
9777 | case NestedNameSpecifier::Namespace: |
9778 | if (ExpectedDecl NSOrErr = Import(FromNNS->getAsNamespace())) { |
9779 | return NestedNameSpecifier::Create(Context: ToContext, Prefix, |
9780 | NS: cast<NamespaceDecl>(Val: *NSOrErr)); |
9781 | } else |
9782 | return NSOrErr.takeError(); |
9783 | |
9784 | case NestedNameSpecifier::NamespaceAlias: |
9785 | if (ExpectedDecl NSADOrErr = Import(FromNNS->getAsNamespaceAlias())) |
9786 | return NestedNameSpecifier::Create(Context: ToContext, Prefix, |
9787 | Alias: cast<NamespaceAliasDecl>(Val: *NSADOrErr)); |
9788 | else |
9789 | return NSADOrErr.takeError(); |
9790 | |
9791 | case NestedNameSpecifier::Global: |
9792 | return NestedNameSpecifier::GlobalSpecifier(Context: ToContext); |
9793 | |
9794 | case NestedNameSpecifier::Super: |
9795 | if (ExpectedDecl RDOrErr = Import(FromNNS->getAsRecordDecl())) |
9796 | return NestedNameSpecifier::SuperSpecifier(Context: ToContext, |
9797 | RD: cast<CXXRecordDecl>(Val: *RDOrErr)); |
9798 | else |
9799 | return RDOrErr.takeError(); |
9800 | |
9801 | case NestedNameSpecifier::TypeSpec: |
9802 | if (ExpectedTypePtr TyOrErr = Import(FromT: FromNNS->getAsType())) { |
9803 | return NestedNameSpecifier::Create(Context: ToContext, Prefix, T: *TyOrErr); |
9804 | } else { |
9805 | return TyOrErr.takeError(); |
9806 | } |
9807 | } |
9808 | |
9809 | llvm_unreachable("Invalid nested name specifier kind"); |
9810 | } |
9811 | |
9812 | Expected<NestedNameSpecifierLoc> |
9813 | ASTImporter::Import(NestedNameSpecifierLoc FromNNS) { |
9814 | // Copied from NestedNameSpecifier mostly. |
9815 | SmallVector<NestedNameSpecifierLoc , 8> NestedNames; |
9816 | NestedNameSpecifierLoc NNS = FromNNS; |
9817 | |
9818 | // Push each of the nested-name-specifiers's onto a stack for |
9819 | // serialization in reverse order. |
9820 | while (NNS) { |
9821 | NestedNames.push_back(Elt: NNS); |
9822 | NNS = NNS.getPrefix(); |
9823 | } |
9824 | |
9825 | NestedNameSpecifierLocBuilder Builder; |
9826 | |
9827 | while (!NestedNames.empty()) { |
9828 | NNS = NestedNames.pop_back_val(); |
9829 | NestedNameSpecifier *Spec = nullptr; |
9830 | if (Error Err = importInto(To&: Spec, From: NNS.getNestedNameSpecifier())) |
9831 | return std::move(Err); |
9832 | |
9833 | NestedNameSpecifier::SpecifierKind Kind = Spec->getKind(); |
9834 | |
9835 | SourceLocation ToLocalBeginLoc, ToLocalEndLoc; |
9836 | if (Kind != NestedNameSpecifier::Super) { |
9837 | if (Error Err = importInto(To&: ToLocalBeginLoc, From: NNS.getLocalBeginLoc())) |
9838 | return std::move(Err); |
9839 | |
9840 | if (Kind != NestedNameSpecifier::Global) |
9841 | if (Error Err = importInto(To&: ToLocalEndLoc, From: NNS.getLocalEndLoc())) |
9842 | return std::move(Err); |
9843 | } |
9844 | |
9845 | switch (Kind) { |
9846 | case NestedNameSpecifier::Identifier: |
9847 | Builder.Extend(Context&: getToContext(), Identifier: Spec->getAsIdentifier(), IdentifierLoc: ToLocalBeginLoc, |
9848 | ColonColonLoc: ToLocalEndLoc); |
9849 | break; |
9850 | |
9851 | case NestedNameSpecifier::Namespace: |
9852 | Builder.Extend(Context&: getToContext(), Namespace: Spec->getAsNamespace(), NamespaceLoc: ToLocalBeginLoc, |
9853 | ColonColonLoc: ToLocalEndLoc); |
9854 | break; |
9855 | |
9856 | case NestedNameSpecifier::NamespaceAlias: |
9857 | Builder.Extend(Context&: getToContext(), Alias: Spec->getAsNamespaceAlias(), |
9858 | AliasLoc: ToLocalBeginLoc, ColonColonLoc: ToLocalEndLoc); |
9859 | break; |
9860 | |
9861 | case NestedNameSpecifier::TypeSpec: { |
9862 | SourceLocation ToTLoc; |
9863 | if (Error Err = importInto(To&: ToTLoc, From: NNS.getTypeLoc().getBeginLoc())) |
9864 | return std::move(Err); |
9865 | TypeSourceInfo *TSI = getToContext().getTrivialTypeSourceInfo( |
9866 | T: QualType(Spec->getAsType(), 0), Loc: ToTLoc); |
9867 | Builder.Extend(Context&: getToContext(), TL: TSI->getTypeLoc(), ColonColonLoc: ToLocalEndLoc); |
9868 | break; |
9869 | } |
9870 | |
9871 | case NestedNameSpecifier::Global: |
9872 | Builder.MakeGlobal(Context&: getToContext(), ColonColonLoc: ToLocalBeginLoc); |
9873 | break; |
9874 | |
9875 | case NestedNameSpecifier::Super: { |
9876 | auto ToSourceRangeOrErr = Import(FromRange: NNS.getSourceRange()); |
9877 | if (!ToSourceRangeOrErr) |
9878 | return ToSourceRangeOrErr.takeError(); |
9879 | |
9880 | Builder.MakeSuper(Context&: getToContext(), RD: Spec->getAsRecordDecl(), |
9881 | SuperLoc: ToSourceRangeOrErr->getBegin(), |
9882 | ColonColonLoc: ToSourceRangeOrErr->getEnd()); |
9883 | } |
9884 | } |
9885 | } |
9886 | |
9887 | return Builder.getWithLocInContext(Context&: getToContext()); |
9888 | } |
9889 | |
9890 | Expected<TemplateName> ASTImporter::Import(TemplateName From) { |
9891 | switch (From.getKind()) { |
9892 | case TemplateName::Template: |
9893 | if (ExpectedDecl ToTemplateOrErr = Import(From.getAsTemplateDecl())) |
9894 | return TemplateName(cast<TemplateDecl>(Val: (*ToTemplateOrErr)->getCanonicalDecl())); |
9895 | else |
9896 | return ToTemplateOrErr.takeError(); |
9897 | |
9898 | case TemplateName::OverloadedTemplate: { |
9899 | OverloadedTemplateStorage *FromStorage = From.getAsOverloadedTemplate(); |
9900 | UnresolvedSet<2> ToTemplates; |
9901 | for (auto *I : *FromStorage) { |
9902 | if (auto ToOrErr = Import(I)) |
9903 | ToTemplates.addDecl(cast<NamedDecl>(*ToOrErr)); |
9904 | else |
9905 | return ToOrErr.takeError(); |
9906 | } |
9907 | return ToContext.getOverloadedTemplateName(Begin: ToTemplates.begin(), |
9908 | End: ToTemplates.end()); |
9909 | } |
9910 | |
9911 | case TemplateName::AssumedTemplate: { |
9912 | AssumedTemplateStorage *FromStorage = From.getAsAssumedTemplateName(); |
9913 | auto DeclNameOrErr = Import(FromName: FromStorage->getDeclName()); |
9914 | if (!DeclNameOrErr) |
9915 | return DeclNameOrErr.takeError(); |
9916 | return ToContext.getAssumedTemplateName(Name: *DeclNameOrErr); |
9917 | } |
9918 | |
9919 | case TemplateName::QualifiedTemplate: { |
9920 | QualifiedTemplateName *QTN = From.getAsQualifiedTemplateName(); |
9921 | auto QualifierOrErr = Import(FromNNS: QTN->getQualifier()); |
9922 | if (!QualifierOrErr) |
9923 | return QualifierOrErr.takeError(); |
9924 | auto TNOrErr = Import(From: QTN->getUnderlyingTemplate()); |
9925 | if (!TNOrErr) |
9926 | return TNOrErr.takeError(); |
9927 | return ToContext.getQualifiedTemplateName( |
9928 | NNS: *QualifierOrErr, TemplateKeyword: QTN->hasTemplateKeyword(), Template: *TNOrErr); |
9929 | } |
9930 | |
9931 | case TemplateName::DependentTemplate: { |
9932 | DependentTemplateName *DTN = From.getAsDependentTemplateName(); |
9933 | auto QualifierOrErr = Import(FromNNS: DTN->getQualifier()); |
9934 | if (!QualifierOrErr) |
9935 | return QualifierOrErr.takeError(); |
9936 | return ToContext.getDependentTemplateName( |
9937 | Name: {*QualifierOrErr, Import(FromIO: DTN->getName()), DTN->hasTemplateKeyword()}); |
9938 | } |
9939 | |
9940 | case TemplateName::SubstTemplateTemplateParm: { |
9941 | SubstTemplateTemplateParmStorage *Subst = |
9942 | From.getAsSubstTemplateTemplateParm(); |
9943 | auto ReplacementOrErr = Import(From: Subst->getReplacement()); |
9944 | if (!ReplacementOrErr) |
9945 | return ReplacementOrErr.takeError(); |
9946 | |
9947 | auto AssociatedDeclOrErr = Import(FromD: Subst->getAssociatedDecl()); |
9948 | if (!AssociatedDeclOrErr) |
9949 | return AssociatedDeclOrErr.takeError(); |
9950 | |
9951 | return ToContext.getSubstTemplateTemplateParm( |
9952 | replacement: *ReplacementOrErr, AssociatedDecl: *AssociatedDeclOrErr, Index: Subst->getIndex(), |
9953 | PackIndex: Subst->getPackIndex(), Final: Subst->getFinal()); |
9954 | } |
9955 | |
9956 | case TemplateName::SubstTemplateTemplateParmPack: { |
9957 | SubstTemplateTemplateParmPackStorage *SubstPack = |
9958 | From.getAsSubstTemplateTemplateParmPack(); |
9959 | ASTNodeImporter Importer(*this); |
9960 | auto ArgPackOrErr = |
9961 | Importer.ImportTemplateArgument(From: SubstPack->getArgumentPack()); |
9962 | if (!ArgPackOrErr) |
9963 | return ArgPackOrErr.takeError(); |
9964 | |
9965 | auto AssociatedDeclOrErr = Import(FromD: SubstPack->getAssociatedDecl()); |
9966 | if (!AssociatedDeclOrErr) |
9967 | return AssociatedDeclOrErr.takeError(); |
9968 | |
9969 | return ToContext.getSubstTemplateTemplateParmPack( |
9970 | ArgPack: *ArgPackOrErr, AssociatedDecl: *AssociatedDeclOrErr, Index: SubstPack->getIndex(), |
9971 | Final: SubstPack->getFinal()); |
9972 | } |
9973 | case TemplateName::UsingTemplate: { |
9974 | auto UsingOrError = Import(From.getAsUsingShadowDecl()); |
9975 | if (!UsingOrError) |
9976 | return UsingOrError.takeError(); |
9977 | return TemplateName(cast<UsingShadowDecl>(*UsingOrError)); |
9978 | } |
9979 | case TemplateName::DeducedTemplate: |
9980 | llvm_unreachable("Unexpected DeducedTemplate"); |
9981 | } |
9982 | |
9983 | llvm_unreachable("Invalid template name kind"); |
9984 | } |
9985 | |
9986 | Expected<SourceLocation> ASTImporter::Import(SourceLocation FromLoc) { |
9987 | if (FromLoc.isInvalid()) |
9988 | return SourceLocation{}; |
9989 | |
9990 | SourceManager &FromSM = FromContext.getSourceManager(); |
9991 | bool IsBuiltin = FromSM.isWrittenInBuiltinFile(Loc: FromLoc); |
9992 | |
9993 | std::pair<FileID, unsigned> Decomposed = FromSM.getDecomposedLoc(Loc: FromLoc); |
9994 | Expected<FileID> ToFileIDOrErr = Import(Decomposed.first, IsBuiltin); |
9995 | if (!ToFileIDOrErr) |
9996 | return ToFileIDOrErr.takeError(); |
9997 | SourceManager &ToSM = ToContext.getSourceManager(); |
9998 | return ToSM.getComposedLoc(FID: *ToFileIDOrErr, Offset: Decomposed.second); |
9999 | } |
10000 | |
10001 | Expected<SourceRange> ASTImporter::Import(SourceRange FromRange) { |
10002 | SourceLocation ToBegin, ToEnd; |
10003 | if (Error Err = importInto(To&: ToBegin, From: FromRange.getBegin())) |
10004 | return std::move(Err); |
10005 | if (Error Err = importInto(To&: ToEnd, From: FromRange.getEnd())) |
10006 | return std::move(Err); |
10007 | |
10008 | return SourceRange(ToBegin, ToEnd); |
10009 | } |
10010 | |
10011 | Expected<FileID> ASTImporter::Import(FileID FromID, bool IsBuiltin) { |
10012 | llvm::DenseMap<FileID, FileID>::iterator Pos = ImportedFileIDs.find(Val: FromID); |
10013 | if (Pos != ImportedFileIDs.end()) |
10014 | return Pos->second; |
10015 | |
10016 | SourceManager &FromSM = FromContext.getSourceManager(); |
10017 | SourceManager &ToSM = ToContext.getSourceManager(); |
10018 | const SrcMgr::SLocEntry &FromSLoc = FromSM.getSLocEntry(FID: FromID); |
10019 | |
10020 | // Map the FromID to the "to" source manager. |
10021 | FileID ToID; |
10022 | if (FromSLoc.isExpansion()) { |
10023 | const SrcMgr::ExpansionInfo &FromEx = FromSLoc.getExpansion(); |
10024 | ExpectedSLoc ToSpLoc = Import(FromLoc: FromEx.getSpellingLoc()); |
10025 | if (!ToSpLoc) |
10026 | return ToSpLoc.takeError(); |
10027 | ExpectedSLoc ToExLocS = Import(FromLoc: FromEx.getExpansionLocStart()); |
10028 | if (!ToExLocS) |
10029 | return ToExLocS.takeError(); |
10030 | unsigned ExLength = FromSM.getFileIDSize(FID: FromID); |
10031 | SourceLocation MLoc; |
10032 | if (FromEx.isMacroArgExpansion()) { |
10033 | MLoc = ToSM.createMacroArgExpansionLoc(SpellingLoc: *ToSpLoc, ExpansionLoc: *ToExLocS, Length: ExLength); |
10034 | } else { |
10035 | if (ExpectedSLoc ToExLocE = Import(FromLoc: FromEx.getExpansionLocEnd())) |
10036 | MLoc = ToSM.createExpansionLoc(SpellingLoc: *ToSpLoc, ExpansionLocStart: *ToExLocS, ExpansionLocEnd: *ToExLocE, Length: ExLength, |
10037 | ExpansionIsTokenRange: FromEx.isExpansionTokenRange()); |
10038 | else |
10039 | return ToExLocE.takeError(); |
10040 | } |
10041 | ToID = ToSM.getFileID(SpellingLoc: MLoc); |
10042 | } else { |
10043 | const SrcMgr::ContentCache *Cache = &FromSLoc.getFile().getContentCache(); |
10044 | |
10045 | if (!IsBuiltin && !Cache->BufferOverridden) { |
10046 | // Include location of this file. |
10047 | ExpectedSLoc ToIncludeLoc = Import(FromLoc: FromSLoc.getFile().getIncludeLoc()); |
10048 | if (!ToIncludeLoc) |
10049 | return ToIncludeLoc.takeError(); |
10050 | |
10051 | // Every FileID that is not the main FileID needs to have a valid include |
10052 | // location so that the include chain points to the main FileID. When |
10053 | // importing the main FileID (which has no include location), we need to |
10054 | // create a fake include location in the main file to keep this property |
10055 | // intact. |
10056 | SourceLocation ToIncludeLocOrFakeLoc = *ToIncludeLoc; |
10057 | if (FromID == FromSM.getMainFileID()) |
10058 | ToIncludeLocOrFakeLoc = ToSM.getLocForStartOfFile(FID: ToSM.getMainFileID()); |
10059 | |
10060 | if (Cache->OrigEntry && Cache->OrigEntry->getDir()) { |
10061 | // FIXME: We probably want to use getVirtualFileRef(), so we don't hit |
10062 | // the disk again |
10063 | // FIXME: We definitely want to re-use the existing MemoryBuffer, rather |
10064 | // than mmap the files several times. |
10065 | auto Entry = |
10066 | ToFileManager.getOptionalFileRef(Filename: Cache->OrigEntry->getName()); |
10067 | // FIXME: The filename may be a virtual name that does probably not |
10068 | // point to a valid file and we get no Entry here. In this case try with |
10069 | // the memory buffer below. |
10070 | if (Entry) |
10071 | ToID = ToSM.createFileID(SourceFile: *Entry, IncludePos: ToIncludeLocOrFakeLoc, |
10072 | FileCharacter: FromSLoc.getFile().getFileCharacteristic()); |
10073 | } |
10074 | } |
10075 | |
10076 | if (ToID.isInvalid() || IsBuiltin) { |
10077 | // FIXME: We want to re-use the existing MemoryBuffer! |
10078 | std::optional<llvm::MemoryBufferRef> FromBuf = |
10079 | Cache->getBufferOrNone(Diag&: FromContext.getDiagnostics(), |
10080 | FM&: FromSM.getFileManager(), Loc: SourceLocation{}); |
10081 | if (!FromBuf) |
10082 | return llvm::make_error<ASTImportError>(Args: ASTImportError::Unknown); |
10083 | |
10084 | std::unique_ptr<llvm::MemoryBuffer> ToBuf = |
10085 | llvm::MemoryBuffer::getMemBufferCopy(InputData: FromBuf->getBuffer(), |
10086 | BufferName: FromBuf->getBufferIdentifier()); |
10087 | ToID = ToSM.createFileID(Buffer: std::move(ToBuf), |
10088 | FileCharacter: FromSLoc.getFile().getFileCharacteristic()); |
10089 | } |
10090 | } |
10091 | |
10092 | assert(ToID.isValid() && "Unexpected invalid fileID was created."); |
10093 | |
10094 | ImportedFileIDs[FromID] = ToID; |
10095 | return ToID; |
10096 | } |
10097 | |
10098 | Expected<CXXCtorInitializer *> ASTImporter::Import(CXXCtorInitializer *From) { |
10099 | ExpectedExpr ToExprOrErr = Import(FromE: From->getInit()); |
10100 | if (!ToExprOrErr) |
10101 | return ToExprOrErr.takeError(); |
10102 | |
10103 | auto LParenLocOrErr = Import(FromLoc: From->getLParenLoc()); |
10104 | if (!LParenLocOrErr) |
10105 | return LParenLocOrErr.takeError(); |
10106 | |
10107 | auto RParenLocOrErr = Import(FromLoc: From->getRParenLoc()); |
10108 | if (!RParenLocOrErr) |
10109 | return RParenLocOrErr.takeError(); |
10110 | |
10111 | if (From->isBaseInitializer()) { |
10112 | auto ToTInfoOrErr = Import(FromTSI: From->getTypeSourceInfo()); |
10113 | if (!ToTInfoOrErr) |
10114 | return ToTInfoOrErr.takeError(); |
10115 | |
10116 | SourceLocation EllipsisLoc; |
10117 | if (From->isPackExpansion()) |
10118 | if (Error Err = importInto(To&: EllipsisLoc, From: From->getEllipsisLoc())) |
10119 | return std::move(Err); |
10120 | |
10121 | return new (ToContext) CXXCtorInitializer( |
10122 | ToContext, *ToTInfoOrErr, From->isBaseVirtual(), *LParenLocOrErr, |
10123 | *ToExprOrErr, *RParenLocOrErr, EllipsisLoc); |
10124 | } else if (From->isMemberInitializer()) { |
10125 | ExpectedDecl ToFieldOrErr = Import(From->getMember()); |
10126 | if (!ToFieldOrErr) |
10127 | return ToFieldOrErr.takeError(); |
10128 | |
10129 | auto MemberLocOrErr = Import(FromLoc: From->getMemberLocation()); |
10130 | if (!MemberLocOrErr) |
10131 | return MemberLocOrErr.takeError(); |
10132 | |
10133 | return new (ToContext) CXXCtorInitializer( |
10134 | ToContext, cast_or_null<FieldDecl>(Val: *ToFieldOrErr), *MemberLocOrErr, |
10135 | *LParenLocOrErr, *ToExprOrErr, *RParenLocOrErr); |
10136 | } else if (From->isIndirectMemberInitializer()) { |
10137 | ExpectedDecl ToIFieldOrErr = Import(From->getIndirectMember()); |
10138 | if (!ToIFieldOrErr) |
10139 | return ToIFieldOrErr.takeError(); |
10140 | |
10141 | auto MemberLocOrErr = Import(FromLoc: From->getMemberLocation()); |
10142 | if (!MemberLocOrErr) |
10143 | return MemberLocOrErr.takeError(); |
10144 | |
10145 | return new (ToContext) CXXCtorInitializer( |
10146 | ToContext, cast_or_null<IndirectFieldDecl>(Val: *ToIFieldOrErr), |
10147 | *MemberLocOrErr, *LParenLocOrErr, *ToExprOrErr, *RParenLocOrErr); |
10148 | } else if (From->isDelegatingInitializer()) { |
10149 | auto ToTInfoOrErr = Import(FromTSI: From->getTypeSourceInfo()); |
10150 | if (!ToTInfoOrErr) |
10151 | return ToTInfoOrErr.takeError(); |
10152 | |
10153 | return new (ToContext) |
10154 | CXXCtorInitializer(ToContext, *ToTInfoOrErr, *LParenLocOrErr, |
10155 | *ToExprOrErr, *RParenLocOrErr); |
10156 | } else { |
10157 | // FIXME: assert? |
10158 | return make_error<ASTImportError>(); |
10159 | } |
10160 | } |
10161 | |
10162 | Expected<CXXBaseSpecifier *> |
10163 | ASTImporter::Import(const CXXBaseSpecifier *BaseSpec) { |
10164 | auto Pos = ImportedCXXBaseSpecifiers.find(Val: BaseSpec); |
10165 | if (Pos != ImportedCXXBaseSpecifiers.end()) |
10166 | return Pos->second; |
10167 | |
10168 | Expected<SourceRange> ToSourceRange = Import(FromRange: BaseSpec->getSourceRange()); |
10169 | if (!ToSourceRange) |
10170 | return ToSourceRange.takeError(); |
10171 | Expected<TypeSourceInfo *> ToTSI = Import(FromTSI: BaseSpec->getTypeSourceInfo()); |
10172 | if (!ToTSI) |
10173 | return ToTSI.takeError(); |
10174 | ExpectedSLoc ToEllipsisLoc = Import(FromLoc: BaseSpec->getEllipsisLoc()); |
10175 | if (!ToEllipsisLoc) |
10176 | return ToEllipsisLoc.takeError(); |
10177 | CXXBaseSpecifier *Imported = new (ToContext) CXXBaseSpecifier( |
10178 | *ToSourceRange, BaseSpec->isVirtual(), BaseSpec->isBaseOfClass(), |
10179 | BaseSpec->getAccessSpecifierAsWritten(), *ToTSI, *ToEllipsisLoc); |
10180 | ImportedCXXBaseSpecifiers[BaseSpec] = Imported; |
10181 | return Imported; |
10182 | } |
10183 | |
10184 | llvm::Expected<APValue> ASTImporter::Import(const APValue &FromValue) { |
10185 | ASTNodeImporter Importer(*this); |
10186 | return Importer.ImportAPValue(FromValue); |
10187 | } |
10188 | |
10189 | Error ASTImporter::ImportDefinition(Decl *From) { |
10190 | ExpectedDecl ToOrErr = Import(FromD: From); |
10191 | if (!ToOrErr) |
10192 | return ToOrErr.takeError(); |
10193 | Decl *To = *ToOrErr; |
10194 | |
10195 | auto *FromDC = cast<DeclContext>(Val: From); |
10196 | ASTNodeImporter Importer(*this); |
10197 | |
10198 | if (auto *ToRecord = dyn_cast<RecordDecl>(Val: To)) { |
10199 | if (!ToRecord->getDefinition()) { |
10200 | return Importer.ImportDefinition( |
10201 | From: cast<RecordDecl>(Val: FromDC), To: ToRecord, |
10202 | Kind: ASTNodeImporter::IDK_Everything); |
10203 | } |
10204 | } |
10205 | |
10206 | if (auto *ToEnum = dyn_cast<EnumDecl>(Val: To)) { |
10207 | if (!ToEnum->getDefinition()) { |
10208 | return Importer.ImportDefinition( |
10209 | From: cast<EnumDecl>(Val: FromDC), To: ToEnum, Kind: ASTNodeImporter::IDK_Everything); |
10210 | } |
10211 | } |
10212 | |
10213 | if (auto *ToIFace = dyn_cast<ObjCInterfaceDecl>(Val: To)) { |
10214 | if (!ToIFace->getDefinition()) { |
10215 | return Importer.ImportDefinition( |
10216 | From: cast<ObjCInterfaceDecl>(Val: FromDC), To: ToIFace, |
10217 | Kind: ASTNodeImporter::IDK_Everything); |
10218 | } |
10219 | } |
10220 | |
10221 | if (auto *ToProto = dyn_cast<ObjCProtocolDecl>(Val: To)) { |
10222 | if (!ToProto->getDefinition()) { |
10223 | return Importer.ImportDefinition( |
10224 | From: cast<ObjCProtocolDecl>(Val: FromDC), To: ToProto, |
10225 | Kind: ASTNodeImporter::IDK_Everything); |
10226 | } |
10227 | } |
10228 | |
10229 | return Importer.ImportDeclContext(FromDC, ForceImport: true); |
10230 | } |
10231 | |
10232 | Expected<DeclarationName> ASTImporter::Import(DeclarationName FromName) { |
10233 | if (!FromName) |
10234 | return DeclarationName{}; |
10235 | |
10236 | switch (FromName.getNameKind()) { |
10237 | case DeclarationName::Identifier: |
10238 | return DeclarationName(Import(FromId: FromName.getAsIdentifierInfo())); |
10239 | |
10240 | case DeclarationName::ObjCZeroArgSelector: |
10241 | case DeclarationName::ObjCOneArgSelector: |
10242 | case DeclarationName::ObjCMultiArgSelector: |
10243 | if (auto ToSelOrErr = Import(FromName.getObjCSelector())) |
10244 | return DeclarationName(*ToSelOrErr); |
10245 | else |
10246 | return ToSelOrErr.takeError(); |
10247 | |
10248 | case DeclarationName::CXXConstructorName: { |
10249 | if (auto ToTyOrErr = Import(FromT: FromName.getCXXNameType())) |
10250 | return ToContext.DeclarationNames.getCXXConstructorName( |
10251 | Ty: ToContext.getCanonicalType(T: *ToTyOrErr)); |
10252 | else |
10253 | return ToTyOrErr.takeError(); |
10254 | } |
10255 | |
10256 | case DeclarationName::CXXDestructorName: { |
10257 | if (auto ToTyOrErr = Import(FromT: FromName.getCXXNameType())) |
10258 | return ToContext.DeclarationNames.getCXXDestructorName( |
10259 | Ty: ToContext.getCanonicalType(T: *ToTyOrErr)); |
10260 | else |
10261 | return ToTyOrErr.takeError(); |
10262 | } |
10263 | |
10264 | case DeclarationName::CXXDeductionGuideName: { |
10265 | if (auto ToTemplateOrErr = Import(FromName.getCXXDeductionGuideTemplate())) |
10266 | return ToContext.DeclarationNames.getCXXDeductionGuideName( |
10267 | TD: cast<TemplateDecl>(*ToTemplateOrErr)); |
10268 | else |
10269 | return ToTemplateOrErr.takeError(); |
10270 | } |
10271 | |
10272 | case DeclarationName::CXXConversionFunctionName: { |
10273 | if (auto ToTyOrErr = Import(FromT: FromName.getCXXNameType())) |
10274 | return ToContext.DeclarationNames.getCXXConversionFunctionName( |
10275 | Ty: ToContext.getCanonicalType(T: *ToTyOrErr)); |
10276 | else |
10277 | return ToTyOrErr.takeError(); |
10278 | } |
10279 | |
10280 | case DeclarationName::CXXOperatorName: |
10281 | return ToContext.DeclarationNames.getCXXOperatorName( |
10282 | Op: FromName.getCXXOverloadedOperator()); |
10283 | |
10284 | case DeclarationName::CXXLiteralOperatorName: |
10285 | return ToContext.DeclarationNames.getCXXLiteralOperatorName( |
10286 | II: Import(FromId: FromName.getCXXLiteralIdentifier())); |
10287 | |
10288 | case DeclarationName::CXXUsingDirective: |
10289 | // FIXME: STATICS! |
10290 | return DeclarationName::getUsingDirectiveName(); |
10291 | } |
10292 | |
10293 | llvm_unreachable("Invalid DeclarationName Kind!"); |
10294 | } |
10295 | |
10296 | IdentifierInfo *ASTImporter::Import(const IdentifierInfo *FromId) { |
10297 | if (!FromId) |
10298 | return nullptr; |
10299 | |
10300 | IdentifierInfo *ToId = &ToContext.Idents.get(Name: FromId->getName()); |
10301 | |
10302 | if (!ToId->getBuiltinID() && FromId->getBuiltinID()) |
10303 | ToId->setBuiltinID(FromId->getBuiltinID()); |
10304 | |
10305 | return ToId; |
10306 | } |
10307 | |
10308 | IdentifierOrOverloadedOperator |
10309 | ASTImporter::Import(IdentifierOrOverloadedOperator FromIO) { |
10310 | if (const IdentifierInfo *FromII = FromIO.getIdentifier()) |
10311 | return Import(FromId: FromII); |
10312 | return FromIO.getOperator(); |
10313 | } |
10314 | |
10315 | Expected<Selector> ASTImporter::Import(Selector FromSel) { |
10316 | if (FromSel.isNull()) |
10317 | return Selector{}; |
10318 | |
10319 | SmallVector<const IdentifierInfo *, 4> Idents; |
10320 | Idents.push_back(Elt: Import(FromId: FromSel.getIdentifierInfoForSlot(argIndex: 0))); |
10321 | for (unsigned I = 1, N = FromSel.getNumArgs(); I < N; ++I) |
10322 | Idents.push_back(Elt: Import(FromId: FromSel.getIdentifierInfoForSlot(argIndex: I))); |
10323 | return ToContext.Selectors.getSelector(NumArgs: FromSel.getNumArgs(), IIV: Idents.data()); |
10324 | } |
10325 | |
10326 | llvm::Expected<APValue> |
10327 | ASTNodeImporter::ImportAPValue(const APValue &FromValue) { |
10328 | APValue Result; |
10329 | llvm::Error Err = llvm::Error::success(); |
10330 | auto ImportLoop = [&](const APValue *From, APValue *To, unsigned Size) { |
10331 | for (unsigned Idx = 0; Idx < Size; Idx++) { |
10332 | APValue Tmp = importChecked(Err, From: From[Idx]); |
10333 | To[Idx] = Tmp; |
10334 | } |
10335 | }; |
10336 | switch (FromValue.getKind()) { |
10337 | case APValue::None: |
10338 | case APValue::Indeterminate: |
10339 | case APValue::Int: |
10340 | case APValue::Float: |
10341 | case APValue::FixedPoint: |
10342 | case APValue::ComplexInt: |
10343 | case APValue::ComplexFloat: |
10344 | Result = FromValue; |
10345 | break; |
10346 | case APValue::Vector: { |
10347 | Result.MakeVector(); |
10348 | MutableArrayRef<APValue> Elts = |
10349 | Result.setVectorUninit(FromValue.getVectorLength()); |
10350 | ImportLoop(((const APValue::Vec *)(const char *)&FromValue.Data)->Elts, |
10351 | Elts.data(), FromValue.getVectorLength()); |
10352 | break; |
10353 | } |
10354 | case APValue::Array: |
10355 | Result.MakeArray(InitElts: FromValue.getArrayInitializedElts(), |
10356 | Size: FromValue.getArraySize()); |
10357 | ImportLoop(((const APValue::Arr *)(const char *)&FromValue.Data)->Elts, |
10358 | ((const APValue::Arr *)(const char *)&Result.Data)->Elts, |
10359 | FromValue.getArrayInitializedElts()); |
10360 | break; |
10361 | case APValue::Struct: |
10362 | Result.MakeStruct(B: FromValue.getStructNumBases(), |
10363 | M: FromValue.getStructNumFields()); |
10364 | ImportLoop( |
10365 | ((const APValue::StructData *)(const char *)&FromValue.Data)->Elts, |
10366 | ((const APValue::StructData *)(const char *)&Result.Data)->Elts, |
10367 | FromValue.getStructNumBases() + FromValue.getStructNumFields()); |
10368 | break; |
10369 | case APValue::Union: { |
10370 | Result.MakeUnion(); |
10371 | const Decl *ImpFDecl = importChecked(Err, From: FromValue.getUnionField()); |
10372 | APValue ImpValue = importChecked(Err, From: FromValue.getUnionValue()); |
10373 | if (Err) |
10374 | return std::move(Err); |
10375 | Result.setUnion(Field: cast<FieldDecl>(Val: ImpFDecl), Value: ImpValue); |
10376 | break; |
10377 | } |
10378 | case APValue::AddrLabelDiff: { |
10379 | Result.MakeAddrLabelDiff(); |
10380 | const Expr *ImpLHS = importChecked(Err, From: FromValue.getAddrLabelDiffLHS()); |
10381 | const Expr *ImpRHS = importChecked(Err, From: FromValue.getAddrLabelDiffRHS()); |
10382 | if (Err) |
10383 | return std::move(Err); |
10384 | Result.setAddrLabelDiff(LHSExpr: cast<AddrLabelExpr>(Val: ImpLHS), |
10385 | RHSExpr: cast<AddrLabelExpr>(Val: ImpRHS)); |
10386 | break; |
10387 | } |
10388 | case APValue::MemberPointer: { |
10389 | const Decl *ImpMemPtrDecl = |
10390 | importChecked(Err, From: FromValue.getMemberPointerDecl()); |
10391 | if (Err) |
10392 | return std::move(Err); |
10393 | MutableArrayRef<const CXXRecordDecl *> ToPath = |
10394 | Result.setMemberPointerUninit( |
10395 | Member: cast<const ValueDecl>(Val: ImpMemPtrDecl), |
10396 | IsDerivedMember: FromValue.isMemberPointerToDerivedMember(), |
10397 | Size: FromValue.getMemberPointerPath().size()); |
10398 | llvm::ArrayRef<const CXXRecordDecl *> FromPath = |
10399 | Result.getMemberPointerPath(); |
10400 | for (unsigned Idx = 0; Idx < FromValue.getMemberPointerPath().size(); |
10401 | Idx++) { |
10402 | const Decl *ImpDecl = importChecked(Err, From: FromPath[Idx]); |
10403 | if (Err) |
10404 | return std::move(Err); |
10405 | ToPath[Idx] = cast<const CXXRecordDecl>(Val: ImpDecl->getCanonicalDecl()); |
10406 | } |
10407 | break; |
10408 | } |
10409 | case APValue::LValue: |
10410 | APValue::LValueBase Base; |
10411 | QualType FromElemTy; |
10412 | if (FromValue.getLValueBase()) { |
10413 | assert(!FromValue.getLValueBase().is<DynamicAllocLValue>() && |
10414 | "in C++20 dynamic allocation are transient so they shouldn't " |
10415 | "appear in the AST"); |
10416 | if (!FromValue.getLValueBase().is<TypeInfoLValue>()) { |
10417 | if (const auto *E = |
10418 | FromValue.getLValueBase().dyn_cast<const Expr *>()) { |
10419 | FromElemTy = E->getType(); |
10420 | const Expr *ImpExpr = importChecked(Err, From: E); |
10421 | if (Err) |
10422 | return std::move(Err); |
10423 | Base = APValue::LValueBase(ImpExpr, |
10424 | FromValue.getLValueBase().getCallIndex(), |
10425 | FromValue.getLValueBase().getVersion()); |
10426 | } else { |
10427 | FromElemTy = |
10428 | FromValue.getLValueBase().get<const ValueDecl *>()->getType(); |
10429 | const Decl *ImpDecl = importChecked( |
10430 | Err, From: FromValue.getLValueBase().get<const ValueDecl *>()); |
10431 | if (Err) |
10432 | return std::move(Err); |
10433 | Base = APValue::LValueBase(cast<ValueDecl>(Val: ImpDecl), |
10434 | FromValue.getLValueBase().getCallIndex(), |
10435 | FromValue.getLValueBase().getVersion()); |
10436 | } |
10437 | } else { |
10438 | FromElemTy = FromValue.getLValueBase().getTypeInfoType(); |
10439 | const Type *ImpTypeInfo = importChecked( |
10440 | Err, From: FromValue.getLValueBase().get<TypeInfoLValue>().getType()); |
10441 | QualType ImpType = |
10442 | importChecked(Err, From: FromValue.getLValueBase().getTypeInfoType()); |
10443 | if (Err) |
10444 | return std::move(Err); |
10445 | Base = APValue::LValueBase::getTypeInfo(LV: TypeInfoLValue(ImpTypeInfo), |
10446 | TypeInfo: ImpType); |
10447 | } |
10448 | } |
10449 | CharUnits Offset = FromValue.getLValueOffset(); |
10450 | unsigned PathLength = FromValue.getLValuePath().size(); |
10451 | Result.MakeLValue(); |
10452 | if (FromValue.hasLValuePath()) { |
10453 | MutableArrayRef<APValue::LValuePathEntry> ToPath = Result.setLValueUninit( |
10454 | B: Base, O: Offset, Size: PathLength, OnePastTheEnd: FromValue.isLValueOnePastTheEnd(), |
10455 | IsNullPtr: FromValue.isNullPointer()); |
10456 | llvm::ArrayRef<APValue::LValuePathEntry> FromPath = |
10457 | FromValue.getLValuePath(); |
10458 | for (unsigned LoopIdx = 0; LoopIdx < PathLength; LoopIdx++) { |
10459 | if (FromElemTy->isRecordType()) { |
10460 | const Decl *FromDecl = |
10461 | FromPath[LoopIdx].getAsBaseOrMember().getPointer(); |
10462 | const Decl *ImpDecl = importChecked(Err, From: FromDecl); |
10463 | if (Err) |
10464 | return std::move(Err); |
10465 | if (auto *RD = dyn_cast<CXXRecordDecl>(Val: FromDecl)) |
10466 | FromElemTy = Importer.FromContext.getRecordType(RD); |
10467 | else |
10468 | FromElemTy = cast<ValueDecl>(Val: FromDecl)->getType(); |
10469 | ToPath[LoopIdx] = APValue::LValuePathEntry(APValue::BaseOrMemberType( |
10470 | ImpDecl, FromPath[LoopIdx].getAsBaseOrMember().getInt())); |
10471 | } else { |
10472 | FromElemTy = |
10473 | Importer.FromContext.getAsArrayType(T: FromElemTy)->getElementType(); |
10474 | ToPath[LoopIdx] = APValue::LValuePathEntry::ArrayIndex( |
10475 | Index: FromPath[LoopIdx].getAsArrayIndex()); |
10476 | } |
10477 | } |
10478 | } else |
10479 | Result.setLValue(B: Base, O: Offset, APValue::NoLValuePath{}, |
10480 | IsNullPtr: FromValue.isNullPointer()); |
10481 | } |
10482 | if (Err) |
10483 | return std::move(Err); |
10484 | return Result; |
10485 | } |
10486 | |
10487 | Expected<DeclarationName> ASTImporter::HandleNameConflict(DeclarationName Name, |
10488 | DeclContext *DC, |
10489 | unsigned IDNS, |
10490 | NamedDecl **Decls, |
10491 | unsigned NumDecls) { |
10492 | if (ODRHandling == ODRHandlingType::Conservative) |
10493 | // Report error at any name conflict. |
10494 | return make_error<ASTImportError>(Args: ASTImportError::NameConflict); |
10495 | else |
10496 | // Allow to create the new Decl with the same name. |
10497 | return Name; |
10498 | } |
10499 | |
10500 | DiagnosticBuilder ASTImporter::ToDiag(SourceLocation Loc, unsigned DiagID) { |
10501 | if (LastDiagFromFrom) |
10502 | ToContext.getDiagnostics().notePriorDiagnosticFrom( |
10503 | Other: FromContext.getDiagnostics()); |
10504 | LastDiagFromFrom = false; |
10505 | return ToContext.getDiagnostics().Report(Loc, DiagID); |
10506 | } |
10507 | |
10508 | DiagnosticBuilder ASTImporter::FromDiag(SourceLocation Loc, unsigned DiagID) { |
10509 | if (!LastDiagFromFrom) |
10510 | FromContext.getDiagnostics().notePriorDiagnosticFrom( |
10511 | Other: ToContext.getDiagnostics()); |
10512 | LastDiagFromFrom = true; |
10513 | return FromContext.getDiagnostics().Report(Loc, DiagID); |
10514 | } |
10515 | |
10516 | void ASTImporter::CompleteDecl (Decl *D) { |
10517 | if (auto *ID = dyn_cast<ObjCInterfaceDecl>(Val: D)) { |
10518 | if (!ID->getDefinition()) |
10519 | ID->startDefinition(); |
10520 | } |
10521 | else if (auto *PD = dyn_cast<ObjCProtocolDecl>(Val: D)) { |
10522 | if (!PD->getDefinition()) |
10523 | PD->startDefinition(); |
10524 | } |
10525 | else if (auto *TD = dyn_cast<TagDecl>(Val: D)) { |
10526 | if (!TD->getDefinition() && !TD->isBeingDefined()) { |
10527 | TD->startDefinition(); |
10528 | TD->setCompleteDefinition(true); |
10529 | } |
10530 | } |
10531 | else { |
10532 | assert(0 && "CompleteDecl called on a Decl that can't be completed"); |
10533 | } |
10534 | } |
10535 | |
10536 | Decl *ASTImporter::MapImported(Decl *From, Decl *To) { |
10537 | auto [Pos, Inserted] = ImportedDecls.try_emplace(Key: From, Args&: To); |
10538 | assert((Inserted || Pos->second == To) && |
10539 | "Try to import an already imported Decl"); |
10540 | if (!Inserted) |
10541 | return Pos->second; |
10542 | // This mapping should be maintained only in this function. Therefore do not |
10543 | // check for additional consistency. |
10544 | ImportedFromDecls[To] = From; |
10545 | // In the case of TypedefNameDecl we create the Decl first and only then we |
10546 | // import and set its DeclContext. So, the DC is still not set when we reach |
10547 | // here from GetImportedOrCreateDecl. |
10548 | if (To->getDeclContext()) |
10549 | AddToLookupTable(ToD: To); |
10550 | return To; |
10551 | } |
10552 | |
10553 | std::optional<ASTImportError> |
10554 | ASTImporter::getImportDeclErrorIfAny(Decl *FromD) const { |
10555 | auto Pos = ImportDeclErrors.find(Val: FromD); |
10556 | if (Pos != ImportDeclErrors.end()) |
10557 | return Pos->second; |
10558 | else |
10559 | return std::nullopt; |
10560 | } |
10561 | |
10562 | void ASTImporter::setImportDeclError(Decl *From, ASTImportError Error) { |
10563 | auto InsertRes = ImportDeclErrors.insert(KV: {From, Error}); |
10564 | (void)InsertRes; |
10565 | // Either we set the error for the first time, or we already had set one and |
10566 | // now we want to set the same error. |
10567 | assert(InsertRes.second || InsertRes.first->second.Error == Error.Error); |
10568 | } |
10569 | |
10570 | bool ASTImporter::IsStructurallyEquivalent(QualType From, QualType To, |
10571 | bool Complain) { |
10572 | llvm::DenseMap<const Type *, const Type *>::iterator Pos = |
10573 | ImportedTypes.find(Val: From.getTypePtr()); |
10574 | if (Pos != ImportedTypes.end()) { |
10575 | if (ExpectedType ToFromOrErr = Import(FromT: From)) { |
10576 | if (ToContext.hasSameType(T1: *ToFromOrErr, T2: To)) |
10577 | return true; |
10578 | } else { |
10579 | llvm::consumeError(Err: ToFromOrErr.takeError()); |
10580 | } |
10581 | } |
10582 | |
10583 | StructuralEquivalenceContext Ctx( |
10584 | getToContext().getLangOpts(), FromContext, ToContext, NonEquivalentDecls, |
10585 | getStructuralEquivalenceKind(Importer: *this), false, Complain); |
10586 | return Ctx.IsEquivalent(T1: From, T2: To); |
10587 | } |
10588 |
Definitions
- toString
- log
- convertToErrorCode
- ID
- getCanonicalForwardRedeclChain
- getCanonicalForwardRedeclChain
- updateFlags
- ChildErrorHandlingStrategy
- ChildErrorHandlingStrategy
- ChildErrorHandlingStrategy
- handleChildImportResult
- ignoreChildErrorOnParent
- ASTNodeImporter
- importInto
- importInto
- import
- import
- import
- import
- CallOverloadedCreateFun
- operator()
- GetImportedOrCreateDecl
- GetImportedOrCreateDecl
- GetImportedOrCreateSpecialDecl
- InitializeImportedDecl
- FindAndMapDefinition
- addDeclToContexts
- updateLookupTableForTemplateParameters
- updateLookupTableForTemplateParameters
- importTemplateParameterDefaultArgument
- ASTNodeImporter
- ImportDefinitionKind
- shouldForceImportDeclContext
- importChecked
- ImportArrayChecked
- ImportContainerChecked
- ImportArrayChecked
- ImportTemplateArgumentListInfo
- ImportTemplateArgumentListInfo
- ImportTemplateArgumentListInfo
- ImportFunctionTemplateWithTemplateArgsFromSpecialization
- import
- import
- import
- import
- import
- import
- import
- hasSameVisibilityContextAndLinkage
- hasSameVisibilityContextAndLinkage
- VisitType
- VisitAtomicType
- VisitBuiltinType
- VisitDecayedType
- VisitComplexType
- VisitPointerType
- VisitBlockPointerType
- VisitLValueReferenceType
- VisitRValueReferenceType
- VisitMemberPointerType
- VisitConstantArrayType
- VisitArrayParameterType
- VisitIncompleteArrayType
- VisitVariableArrayType
- VisitDependentSizedArrayType
- VisitDependentSizedExtVectorType
- VisitVectorType
- VisitExtVectorType
- VisitFunctionNoProtoType
- VisitFunctionProtoType
- VisitUnresolvedUsingType
- VisitParenType
- VisitPackIndexingType
- VisitTypedefType
- VisitTypeOfExprType
- VisitTypeOfType
- VisitUsingType
- VisitDecltypeType
- VisitUnaryTransformType
- VisitAutoType
- VisitDeducedTemplateSpecializationType
- VisitInjectedClassNameType
- VisitRecordType
- VisitEnumType
- VisitAttributedType
- VisitCountAttributedType
- VisitTemplateTypeParmType
- VisitSubstTemplateTypeParmType
- VisitSubstTemplateTypeParmPackType
- VisitTemplateSpecializationType
- VisitElaboratedType
- VisitPackExpansionType
- VisitDependentTemplateSpecializationType
- VisitDependentNameType
- VisitObjCInterfaceType
- VisitObjCObjectType
- VisitObjCObjectPointerType
- VisitMacroQualifiedType
- VisitAdjustedType
- VisitBitIntType
- VisitBTFTagAttributedType
- VisitHLSLAttributedResourceType
- VisitHLSLInlineSpirvType
- VisitConstantMatrixType
- VisitDependentAddressSpaceType
- VisitDependentBitIntType
- VisitDependentSizedMatrixType
- VisitDependentVectorType
- VisitObjCTypeParamType
- VisitPipeType
- ImportDeclParts
- ImportDeclParts
- ImportDefinitionIfNeeded
- ImportDeclarationNameLoc
- ImportDeclContext
- ImportFieldDeclDefinition
- ImportDeclContext
- ImportImplicitMethods
- setTypedefNameForAnonDecl
- ImportDefinition
- ImportInitializer
- ImportDefinition
- ImportTemplateArguments
- ImportTemplateArgument
- ImportTemplateArgumentListInfo
- getStructuralEquivalenceKind
- IsStructuralMatch
- VisitDecl
- VisitImportDecl
- VisitEmptyDecl
- VisitTranslationUnitDecl
- VisitBindingDecl
- VisitAccessSpecDecl
- VisitStaticAssertDecl
- VisitNamespaceDecl
- VisitNamespaceAliasDecl
- VisitTypedefNameDecl
- VisitTypedefDecl
- VisitTypeAliasDecl
- VisitTypeAliasTemplateDecl
- VisitLabelDecl
- VisitEnumDecl
- VisitRecordDecl
- VisitEnumConstantDecl
- ImportTemplateParameterLists
- ImportTemplateInformation
- FindFunctionTemplateSpecialization
- ImportFunctionDeclBody
- isAncestorDeclContextOf
- isAncestorDeclContextOf
- IsTypeDeclaredInsideVisitor
- IsTypeDeclaredInsideVisitor
- CheckType
- VisitTagType
- VisitPointerType
- VisitReferenceType
- VisitTypedefType
- VisitUsingType
- VisitTemplateSpecializationType
- VisitUnaryTransformType
- VisitSubstTemplateTypeParmType
- VisitConstantArrayType
- VisitVariableArrayType
- VisitIncompleteArrayType
- VisitDependentArrayType
- checkTemplateArgument
- hasReturnTypeDeclaredInside
- importExplicitSpecifier
- VisitFunctionDecl
- VisitCXXMethodDecl
- VisitCXXConstructorDecl
- VisitCXXDestructorDecl
- VisitCXXConversionDecl
- VisitCXXDeductionGuideDecl
- VisitFieldDecl
- VisitIndirectFieldDecl
- FriendCountAndPosition
- IsEquivalentFriend
- getFriendCountAndPosition
- VisitFriendDecl
- VisitObjCIvarDecl
- VisitVarDecl
- VisitImplicitParamDecl
- ImportDefaultArgOfParmVarDecl
- ImportInheritedConstructor
- VisitParmVarDecl
- VisitObjCMethodDecl
- VisitObjCTypeParamDecl
- VisitObjCCategoryDecl
- ImportDefinition
- VisitObjCProtocolDecl
- VisitLinkageSpecDecl
- ImportUsingShadowDecls
- VisitUsingDecl
- VisitUsingEnumDecl
- VisitUsingShadowDecl
- VisitUsingDirectiveDecl
- VisitUsingPackDecl
- VisitUnresolvedUsingValueDecl
- VisitUnresolvedUsingTypenameDecl
- VisitBuiltinTemplateDecl
- ImportDefinition
- ImportObjCTypeParamList
- VisitObjCInterfaceDecl
- VisitObjCCategoryImplDecl
- VisitObjCImplementationDecl
- VisitObjCPropertyDecl
- VisitObjCPropertyImplDecl
- VisitTemplateTypeParmDecl
- VisitNonTypeTemplateParmDecl
- VisitTemplateTemplateParmDecl
- getTemplateDefinition
- VisitClassTemplateDecl
- VisitClassTemplateSpecializationDecl
- VisitVarTemplateDecl
- VisitVarTemplateSpecializationDecl
- VisitFunctionTemplateDecl
- VisitStmt
- VisitGCCAsmStmt
- VisitDeclStmt
- VisitNullStmt
- VisitCompoundStmt
- VisitCaseStmt
- VisitDefaultStmt
- VisitLabelStmt
- VisitAttributedStmt
- VisitIfStmt
- VisitSwitchStmt
- VisitWhileStmt
- VisitDoStmt
- VisitForStmt
- VisitGotoStmt
- VisitIndirectGotoStmt
- VisitContinueStmt
- VisitBreakStmt
- VisitReturnStmt
- VisitCXXCatchStmt
- VisitCXXTryStmt
- VisitCXXForRangeStmt
- VisitObjCForCollectionStmt
- VisitObjCAtCatchStmt
- VisitObjCAtFinallyStmt
- VisitObjCAtTryStmt
- VisitObjCAtSynchronizedStmt
- VisitObjCAtThrowStmt
- VisitObjCAutoreleasePoolStmt
- VisitExpr
- VisitSourceLocExpr
- VisitVAArgExpr
- VisitChooseExpr
- VisitConvertVectorExpr
- VisitShuffleVectorExpr
- VisitGNUNullExpr
- VisitGenericSelectionExpr
- VisitPredefinedExpr
- VisitDeclRefExpr
- VisitImplicitValueInitExpr
- VisitDesignatedInitExpr
- VisitCXXNullPtrLiteralExpr
- VisitIntegerLiteral
- VisitFloatingLiteral
- VisitImaginaryLiteral
- VisitFixedPointLiteral
- VisitCharacterLiteral
- VisitStringLiteral
- VisitCompoundLiteralExpr
- VisitAtomicExpr
- VisitAddrLabelExpr
- VisitConstantExpr
- VisitParenExpr
- VisitParenListExpr
- VisitStmtExpr
- VisitUnaryOperator
- VisitUnaryExprOrTypeTraitExpr
- VisitBinaryOperator
- VisitConditionalOperator
- VisitBinaryConditionalOperator
- VisitCXXRewrittenBinaryOperator
- VisitArrayTypeTraitExpr
- VisitExpressionTraitExpr
- VisitOpaqueValueExpr
- VisitArraySubscriptExpr
- VisitCompoundAssignOperator
- ImportCastPath
- VisitImplicitCastExpr
- VisitExplicitCastExpr
- VisitOffsetOfExpr
- VisitCXXNoexceptExpr
- VisitCXXThrowExpr
- VisitCXXDefaultArgExpr
- VisitCXXScalarValueInitExpr
- VisitCXXBindTemporaryExpr
- VisitCXXTemporaryObjectExpr
- VisitLifetimeExtendedTemporaryDecl
- VisitMaterializeTemporaryExpr
- VisitPackExpansionExpr
- VisitSizeOfPackExpr
- VisitCXXNewExpr
- VisitCXXDeleteExpr
- VisitCXXConstructExpr
- VisitExprWithCleanups
- VisitCXXMemberCallExpr
- VisitCXXThisExpr
- VisitCXXBoolLiteralExpr
- VisitMemberExpr
- VisitCXXPseudoDestructorExpr
- VisitCXXDependentScopeMemberExpr
- VisitDependentScopeDeclRefExpr
- VisitCXXUnresolvedConstructExpr
- VisitUnresolvedLookupExpr
- VisitUnresolvedMemberExpr
- VisitCallExpr
- VisitLambdaExpr
- VisitInitListExpr
- VisitCXXStdInitializerListExpr
- VisitCXXInheritedCtorInitExpr
- VisitArrayInitLoopExpr
- VisitArrayInitIndexExpr
- VisitCXXDefaultInitExpr
- VisitCXXNamedCastExpr
- VisitSubstNonTypeTemplateParmExpr
- VisitTypeTraitExpr
- VisitCXXTypeidExpr
- VisitCXXFoldExpr
- ImportOverriddenMethods
- ASTImporter
- ~ASTImporter
- getFieldIndex
- findDeclsInToCtx
- AddToLookupTable
- ImportImpl
- RegisterImportedDecl
- Import
- Import
- Import
- Import
- AttrArgImporter
- AttrArgImporter
- AttrArgImporter
- operator=
- operator=
- AttrArgImporter
- value
- AttrArgArrayImporter
- AttrArgArrayImporter
- AttrArgArrayImporter
- operator=
- operator=
- AttrArgArrayImporter
- value
- AttrImporter
- AttrImporter
- castAttrAs
- castAttrAs
- importArg
- importArrayArg
- importAttr
- cloneAttr
- getResult
- Import
- GetAlreadyImportedOrNull
- GetFromTU
- Import
- Import
- ImportContext
- Import
- Import
- Import
- Import
- Import
- Import
- Import
- Import
- Import
- Import
- Import
- ImportDefinition
- Import
- Import
- Import
- Import
- ImportAPValue
- HandleNameConflict
- ToDiag
- FromDiag
- CompleteDecl
- MapImported
- getImportDeclErrorIfAny
- setImportDeclError
Learn to use CMake with our Intro Training
Find out more