clang 10.0.0git

ASTReaderDecl.cpp
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1 //===- ASTReaderDecl.cpp - Decl Deserialization ---------------------------===//
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 implements the ASTReader::readDeclRecord method, which is the
10 // entrypoint for loading a decl.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "ASTCommon.h"
15 #include "ASTReaderInternals.h"
16 #include "clang/AST/ASTContext.h"
17 #include "clang/AST/Attr.h"
18 #include "clang/AST/AttrIterator.h"
19 #include "clang/AST/Decl.h"
20 #include "clang/AST/DeclBase.h"
21 #include "clang/AST/DeclCXX.h"
22 #include "clang/AST/DeclFriend.h"
23 #include "clang/AST/DeclObjC.h"
24 #include "clang/AST/DeclOpenMP.h"
25 #include "clang/AST/DeclTemplate.h"
26 #include "clang/AST/DeclVisitor.h"
27 #include "clang/AST/DeclarationName.h"
28 #include "clang/AST/Expr.h"
29 #include "clang/AST/ExternalASTSource.h"
30 #include "clang/AST/LambdaCapture.h"
31 #include "clang/AST/NestedNameSpecifier.h"
32 #include "clang/AST/OpenMPClause.h"
33 #include "clang/AST/Redeclarable.h"
34 #include "clang/AST/Stmt.h"
35 #include "clang/AST/TemplateBase.h"
36 #include "clang/AST/Type.h"
37 #include "clang/AST/UnresolvedSet.h"
38 #include "clang/Basic/AttrKinds.h"
39 #include "clang/Basic/ExceptionSpecificationType.h"
40 #include "clang/Basic/IdentifierTable.h"
41 #include "clang/Basic/LLVM.h"
42 #include "clang/Basic/Lambda.h"
43 #include "clang/Basic/LangOptions.h"
44 #include "clang/Basic/Linkage.h"
45 #include "clang/Basic/Module.h"
46 #include "clang/Basic/PragmaKinds.h"
47 #include "clang/Basic/SourceLocation.h"
48 #include "clang/Basic/Specifiers.h"
49 #include "clang/Sema/IdentifierResolver.h"
50 #include "clang/Serialization/ASTBitCodes.h"
51 #include "clang/Serialization/ASTRecordReader.h"
52 #include "clang/Serialization/ContinuousRangeMap.h"
53 #include "clang/Serialization/ModuleFile.h"
54 #include "llvm/ADT/DenseMap.h"
55 #include "llvm/ADT/FoldingSet.h"
56 #include "llvm/ADT/STLExtras.h"
57 #include "llvm/ADT/SmallPtrSet.h"
58 #include "llvm/ADT/SmallVector.h"
59 #include "llvm/ADT/iterator_range.h"
60 #include "llvm/Bitstream/BitstreamReader.h"
61 #include "llvm/Support/Casting.h"
62 #include "llvm/Support/ErrorHandling.h"
63 #include "llvm/Support/SaveAndRestore.h"
64 #include <algorithm>
65 #include <cassert>
66 #include <cstdint>
67 #include <cstring>
68 #include <string>
69 #include <utility>
70
71 using namespace clang;
72 using namespace serialization;
73
74 //===----------------------------------------------------------------------===//
75 // Declaration deserialization
76 //===----------------------------------------------------------------------===//
77
78 namespace clang {
79
80 class ASTDeclReader : public DeclVisitor<ASTDeclReader, void> {
81 ASTReader &Reader;
82 ASTRecordReader &Record;
83 ASTReader::RecordLocation Loc;
84 const DeclID ThisDeclID;
85 const SourceLocation ThisDeclLoc;
86
87 using RecordData = ASTReader::RecordData;
88
89 TypeID DeferredTypeID = 0;
90 unsigned AnonymousDeclNumber;
91 GlobalDeclID NamedDeclForTagDecl = 0;
92 IdentifierInfo *TypedefNameForLinkage = nullptr;
93
94 bool HasPendingBody = false;
95
96 ///A flag to carry the information for a decl from the entity is
97 /// used. We use it to delay the marking of the canonical decl as used until
98 /// the entire declaration is deserialized and merged.
99 bool IsDeclMarkedUsed = false;
100
101 uint64_t GetCurrentCursorOffset();
102
103 uint64_t ReadLocalOffset() {
104 uint64_t LocalOffset = Record.readInt();
105 assert(LocalOffset < Loc.Offset && "offset point after current record");
106 return LocalOffset ? Loc.Offset - LocalOffset : 0;
107 }
108
109 uint64_t ReadGlobalOffset() {
110 uint64_t Local = ReadLocalOffset();
111 return Local ? Record.getGlobalBitOffset(Local) : 0;
112 }
113
114 SourceLocation readSourceLocation() {
115 return Record.readSourceLocation();
116 }
117
118 SourceRange readSourceRange() {
119 return Record.readSourceRange();
120 }
121
122 TypeSourceInfo *readTypeSourceInfo() {
123 return Record.readTypeSourceInfo();
124 }
125
126 serialization::DeclID readDeclID() {
127 return Record.readDeclID();
128 }
129
130 std::string readString() {
131 return Record.readString();
132 }
133
134 void readDeclIDList(SmallVectorImpl<DeclID> &IDs) {
135 for (unsigned I = 0, Size = Record.readInt(); I != Size; ++I)
136 IDs.push_back(readDeclID());
137 }
138
139 Decl *readDecl() {
140 return Record.readDecl();
141 }
142
143 template<typename T>
144 T *readDeclAs() {
145 return Record.readDeclAs<T>();
146 }
147
148 serialization::SubmoduleID readSubmoduleID() {
149 if (Record.getIdx() == Record.size())
150 return 0;
151
152 return Record.getGlobalSubmoduleID(Record.readInt());
153 }
154
155 Module *readModule() {
156 return Record.getSubmodule(readSubmoduleID());
157 }
158
159 void ReadCXXRecordDefinition(CXXRecordDecl *D, bool Update);
160 void ReadCXXDefinitionData(struct CXXRecordDecl::DefinitionData &Data,
161 const CXXRecordDecl *D);
162 void MergeDefinitionData(CXXRecordDecl *D,
163 struct CXXRecordDecl::DefinitionData &&NewDD);
164 void ReadObjCDefinitionData(struct ObjCInterfaceDecl::DefinitionData &Data);
165 void MergeDefinitionData(ObjCInterfaceDecl *D,
166 struct ObjCInterfaceDecl::DefinitionData &&NewDD);
167 void ReadObjCDefinitionData(struct ObjCProtocolDecl::DefinitionData &Data);
168 void MergeDefinitionData(ObjCProtocolDecl *D,
169 struct ObjCProtocolDecl::DefinitionData &&NewDD);
170
171 static DeclContext *getPrimaryDCForAnonymousDecl(DeclContext *LexicalDC);
172
173 static NamedDecl *getAnonymousDeclForMerging(ASTReader &Reader,
174 DeclContext *DC,
175 unsigned Index);
176 static void setAnonymousDeclForMerging(ASTReader &Reader, DeclContext *DC,
177 unsigned Index, NamedDecl *D);
178
179 /// Results from loading a RedeclarableDecl.
180 class RedeclarableResult {
181 Decl *MergeWith;
182 GlobalDeclID FirstID;
183 bool IsKeyDecl;
184
185 public:
186 RedeclarableResult(Decl *MergeWith, GlobalDeclID FirstID, bool IsKeyDecl)
187 : MergeWith(MergeWith), FirstID(FirstID), IsKeyDecl(IsKeyDecl) {}
188
189 /// Retrieve the first ID.
190 GlobalDeclID getFirstID() const { return FirstID; }
191
192 /// Is this declaration a key declaration?
193 bool isKeyDecl() const { return IsKeyDecl; }
194
195 /// Get a known declaration that this should be merged with, if
196 /// any.
197 Decl *getKnownMergeTarget() const { return MergeWith; }
198 };
199
200 /// Class used to capture the result of searching for an existing
201 /// declaration of a specific kind and name, along with the ability
202 /// to update the place where this result was found (the declaration
203 /// chain hanging off an identifier or the DeclContext we searched in)
204 /// if requested.
205 class FindExistingResult {
206 ASTReader &Reader;
207 NamedDecl *New = nullptr;
208 NamedDecl *Existing = nullptr;
209 bool AddResult = false;
210 unsigned AnonymousDeclNumber = 0;
211 IdentifierInfo *TypedefNameForLinkage = nullptr;
212
213 public:
214 FindExistingResult(ASTReader &Reader) : Reader(Reader) {}
215
216 FindExistingResult(ASTReader &Reader, NamedDecl *New, NamedDecl *Existing,
217 unsigned AnonymousDeclNumber,
218 IdentifierInfo *TypedefNameForLinkage)
219 : Reader(Reader), New(New), Existing(Existing), AddResult(true),
220 AnonymousDeclNumber(AnonymousDeclNumber),
221 TypedefNameForLinkage(TypedefNameForLinkage) {}
222
223 FindExistingResult(FindExistingResult &&Other)
224 : Reader(Other.Reader), New(Other.New), Existing(Other.Existing),
225 AddResult(Other.AddResult),
226 AnonymousDeclNumber(Other.AnonymousDeclNumber),
227 TypedefNameForLinkage(Other.TypedefNameForLinkage) {
228 Other.AddResult = false;
229 }
230
231 FindExistingResult &operator=(FindExistingResult &&) = delete;
232 ~FindExistingResult();
233
234 /// Suppress the addition of this result into the known set of
235 /// names.
236 void suppress() { AddResult = false; }
237
238 operator NamedDecl*() const { return Existing; }
239
240 template<typename T>
241 operator T*() const { return dyn_cast_or_null<T>(Existing); }
242 };
243
244 static DeclContext *getPrimaryContextForMerging(ASTReader &Reader,
245 DeclContext *DC);
246 FindExistingResult findExisting(NamedDecl *D);
247
248 public:
249 ASTDeclReader(ASTReader &Reader, ASTRecordReader &Record,
250 ASTReader::RecordLocation Loc,
251 DeclID thisDeclID, SourceLocation ThisDeclLoc)
252 : Reader(Reader), Record(Record), Loc(Loc), ThisDeclID(thisDeclID),
253 ThisDeclLoc(ThisDeclLoc) {}
254
255 template <typename T> static
256 void AddLazySpecializations(T *D,
257 SmallVectorImpl<serialization::DeclID>& IDs) {
258 if (IDs.empty())
259 return;
260
261 // FIXME: We should avoid this pattern of getting the ASTContext.
262 ASTContext &C = D->getASTContext();
263
264 auto *&LazySpecializations = D->getCommonPtr()->LazySpecializations;
265
266 if (auto &Old = LazySpecializations) {
267 IDs.insert(IDs.end(), Old + 1, Old + 1 + Old[0]);
268 llvm::sort(IDs);
269 IDs.erase(std::unique(IDs.begin(), IDs.end()), IDs.end());
270 }
271
272 auto *Result = new (C) serialization::DeclID[1 + IDs.size()];
273 *Result = IDs.size();
274 std::copy(IDs.begin(), IDs.end(), Result + 1);
275
276 LazySpecializations = Result;
277 }
278
279 template <typename DeclT>
280 static Decl *getMostRecentDeclImpl(Redeclarable<DeclT> *D);
281 static Decl *getMostRecentDeclImpl(...);
282 static Decl *getMostRecentDecl(Decl *D);
283
284 template <typename DeclT>
285 static void attachPreviousDeclImpl(ASTReader &Reader,
286 Redeclarable<DeclT> *D, Decl *Previous,
287 Decl *Canon);
288 static void attachPreviousDeclImpl(ASTReader &Reader, ...);
289 static void attachPreviousDecl(ASTReader &Reader, Decl *D, Decl *Previous,
290 Decl *Canon);
291
292 template <typename DeclT>
293 static void attachLatestDeclImpl(Redeclarable<DeclT> *D, Decl *Latest);
294 static void attachLatestDeclImpl(...);
295 static void attachLatestDecl(Decl *D, Decl *latest);
296
297 template <typename DeclT>
298 static void markIncompleteDeclChainImpl(Redeclarable<DeclT> *D);
299 static void markIncompleteDeclChainImpl(...);
300
301 /// Determine whether this declaration has a pending body.
302 bool hasPendingBody() const { return HasPendingBody; }
303
304 void ReadFunctionDefinition(FunctionDecl *FD);
305 void Visit(Decl *D);
306
307 void UpdateDecl(Decl *D, SmallVectorImpl<serialization::DeclID> &);
308
309 static void setNextObjCCategory(ObjCCategoryDecl *Cat,
310 ObjCCategoryDecl *Next) {
311 Cat->NextClassCategory = Next;
312 }
313
314 void VisitDecl(Decl *D);
315 void VisitPragmaCommentDecl(PragmaCommentDecl *D);
316 void VisitPragmaDetectMismatchDecl(PragmaDetectMismatchDecl *D);
317 void VisitTranslationUnitDecl(TranslationUnitDecl *TU);
318 void VisitNamedDecl(NamedDecl *ND);
319 void VisitLabelDecl(LabelDecl *LD);
320 void VisitNamespaceDecl(NamespaceDecl *D);
321 void VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
322 void VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
323 void VisitTypeDecl(TypeDecl *TD);
324 RedeclarableResult VisitTypedefNameDecl(TypedefNameDecl *TD);
325 void VisitTypedefDecl(TypedefDecl *TD);
326 void VisitTypeAliasDecl(TypeAliasDecl *TD);
327 void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D);
328 RedeclarableResult VisitTagDecl(TagDecl *TD);
329 void VisitEnumDecl(EnumDecl *ED);
330 RedeclarableResult VisitRecordDeclImpl(RecordDecl *RD);
331 void VisitRecordDecl(RecordDecl *RD) { VisitRecordDeclImpl(RD); }
332 RedeclarableResult VisitCXXRecordDeclImpl(CXXRecordDecl *D);
333 void VisitCXXRecordDecl(CXXRecordDecl *D) { VisitCXXRecordDeclImpl(D); }
334 RedeclarableResult VisitClassTemplateSpecializationDeclImpl(
335 ClassTemplateSpecializationDecl *D);
336
337 void VisitClassTemplateSpecializationDecl(
338 ClassTemplateSpecializationDecl *D) {
339 VisitClassTemplateSpecializationDeclImpl(D);
340 }
341
342 void VisitClassTemplatePartialSpecializationDecl(
343 ClassTemplatePartialSpecializationDecl *D);
344 void VisitClassScopeFunctionSpecializationDecl(
345 ClassScopeFunctionSpecializationDecl *D);
346 RedeclarableResult
347 VisitVarTemplateSpecializationDeclImpl(VarTemplateSpecializationDecl *D);
348
349 void VisitVarTemplateSpecializationDecl(VarTemplateSpecializationDecl *D) {
350 VisitVarTemplateSpecializationDeclImpl(D);
351 }
352
353 void VisitVarTemplatePartialSpecializationDecl(
354 VarTemplatePartialSpecializationDecl *D);
355 void VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D);
356 void VisitValueDecl(ValueDecl *VD);
357 void VisitEnumConstantDecl(EnumConstantDecl *ECD);
358 void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D);
359 void VisitDeclaratorDecl(DeclaratorDecl *DD);
360 void VisitFunctionDecl(FunctionDecl *FD);
361 void VisitCXXDeductionGuideDecl(CXXDeductionGuideDecl *GD);
362 void VisitCXXMethodDecl(CXXMethodDecl *D);
363 void VisitCXXConstructorDecl(CXXConstructorDecl *D);
364 void VisitCXXDestructorDecl(CXXDestructorDecl *D);
365 void VisitCXXConversionDecl(CXXConversionDecl *D);
366 void VisitFieldDecl(FieldDecl *FD);
367 void VisitMSPropertyDecl(MSPropertyDecl *FD);
368 void VisitIndirectFieldDecl(IndirectFieldDecl *FD);
369 RedeclarableResult VisitVarDeclImpl(VarDecl *D);
370 void VisitVarDecl(VarDecl *VD) { VisitVarDeclImpl(VD); }
371 void VisitImplicitParamDecl(ImplicitParamDecl *PD);
372 void VisitParmVarDecl(ParmVarDecl *PD);
373 void VisitDecompositionDecl(DecompositionDecl *DD);
374 void VisitBindingDecl(BindingDecl *BD);
375 void VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D);
376 DeclID VisitTemplateDecl(TemplateDecl *D);
377 void VisitConceptDecl(ConceptDecl *D);
378 void VisitRequiresExprBodyDecl(RequiresExprBodyDecl *D);
379 RedeclarableResult VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D);
380 void VisitClassTemplateDecl(ClassTemplateDecl *D);
381 void VisitBuiltinTemplateDecl(BuiltinTemplateDecl *D);
382 void VisitVarTemplateDecl(VarTemplateDecl *D);
383 void VisitFunctionTemplateDecl(FunctionTemplateDecl *D);
384 void VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D);
385 void VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D);
386 void VisitUsingDecl(UsingDecl *D);
387 void VisitUsingPackDecl(UsingPackDecl *D);
388 void VisitUsingShadowDecl(UsingShadowDecl *D);
389 void VisitConstructorUsingShadowDecl(ConstructorUsingShadowDecl *D);
390 void VisitLinkageSpecDecl(LinkageSpecDecl *D);
391 void VisitExportDecl(ExportDecl *D);
392 void VisitFileScopeAsmDecl(FileScopeAsmDecl *AD);
393 void VisitImportDecl(ImportDecl *D);
394 void VisitAccessSpecDecl(AccessSpecDecl *D);
395 void VisitFriendDecl(FriendDecl *D);
396 void VisitFriendTemplateDecl(FriendTemplateDecl *D);
397 void VisitStaticAssertDecl(StaticAssertDecl *D);
398 void VisitBlockDecl(BlockDecl *BD);
399 void VisitCapturedDecl(CapturedDecl *CD);
400 void VisitEmptyDecl(EmptyDecl *D);
401 void VisitLifetimeExtendedTemporaryDecl(LifetimeExtendedTemporaryDecl *D);
402
403 std::pair<uint64_t, uint64_t> VisitDeclContext(DeclContext *DC);
404
405 template<typename T>
406 RedeclarableResult VisitRedeclarable(Redeclarable<T> *D);
407
408 template<typename T>
409 void mergeRedeclarable(Redeclarable<T> *D, RedeclarableResult &Redecl,
410 DeclID TemplatePatternID = 0);
411
412 template<typename T>
413 void mergeRedeclarable(Redeclarable<T> *D, T *Existing,
414 RedeclarableResult &Redecl,
415 DeclID TemplatePatternID = 0);
416
417 template<typename T>
418 void mergeMergeable(Mergeable<T> *D);
419
420 void mergeMergeable(LifetimeExtendedTemporaryDecl *D);
421
422 void mergeTemplatePattern(RedeclarableTemplateDecl *D,
423 RedeclarableTemplateDecl *Existing,
424 DeclID DsID, bool IsKeyDecl);
425
426 ObjCTypeParamList *ReadObjCTypeParamList();
427
428 // FIXME: Reorder according to DeclNodes.td?
429 void VisitObjCMethodDecl(ObjCMethodDecl *D);
430 void VisitObjCTypeParamDecl(ObjCTypeParamDecl *D);
431 void VisitObjCContainerDecl(ObjCContainerDecl *D);
432 void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
433 void VisitObjCIvarDecl(ObjCIvarDecl *D);
434 void VisitObjCProtocolDecl(ObjCProtocolDecl *D);
435 void VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D);
436 void VisitObjCCategoryDecl(ObjCCategoryDecl *D);
437 void VisitObjCImplDecl(ObjCImplDecl *D);
438 void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
439 void VisitObjCImplementationDecl(ObjCImplementationDecl *D);
440 void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D);
441 void VisitObjCPropertyDecl(ObjCPropertyDecl *D);
442 void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D);
443 void VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D);
444 void VisitOMPAllocateDecl(OMPAllocateDecl *D);
445 void VisitOMPDeclareReductionDecl(OMPDeclareReductionDecl *D);
446 void VisitOMPDeclareMapperDecl(OMPDeclareMapperDecl *D);
447 void VisitOMPRequiresDecl(OMPRequiresDecl *D);
448 void VisitOMPCapturedExprDecl(OMPCapturedExprDecl *D);
449 };
450
451 } // namespace clang
452
453 namespace {
454
455 /// Iterator over the redeclarations of a declaration that have already
456 /// been merged into the same redeclaration chain.
457 template<typename DeclT>
458 class MergedRedeclIterator {
459 DeclT *Start;
460 DeclT *Canonical = nullptr;
461 DeclT *Current = nullptr;
462
463 public:
464 MergedRedeclIterator() = default;
465 MergedRedeclIterator(DeclT *Start) : Start(Start), Current(Start) {}
466
467 DeclT *operator*() { return Current; }
468
469 MergedRedeclIterator &operator++() {
470 if (Current->isFirstDecl()) {
471 Canonical = Current;
472 Current = Current->getMostRecentDecl();
473 } else
474 Current = Current->getPreviousDecl();
475
476 // If we started in the merged portion, we'll reach our start position
477 // eventually. Otherwise, we'll never reach it, but the second declaration
478 // we reached was the canonical declaration, so stop when we see that one
479 // again.
480 if (Current == Start || Current == Canonical)
481 Current = nullptr;
482 return *this;
483 }
484
485 friend bool operator!=(const MergedRedeclIterator &A,
486 const MergedRedeclIterator &B) {
487 return A.Current != B.Current;
488 }
489 };
490
491 } // namespace
492
493 template <typename DeclT>
494 static llvm::iterator_range<MergedRedeclIterator<DeclT>>
495 merged_redecls(DeclT *D) {
496 return llvm::make_range(MergedRedeclIterator<DeclT>(D),
497 MergedRedeclIterator<DeclT>());
498 }
499
500 uint64_t ASTDeclReader::GetCurrentCursorOffset() {
501 return Loc.F->DeclsCursor.GetCurrentBitNo() + Loc.F->GlobalBitOffset;
502 }
503
504 void ASTDeclReader::ReadFunctionDefinition(FunctionDecl *FD) {
505 if (Record.readInt()) {
506 Reader.DefinitionSource[FD] = Loc.F->Kind == ModuleKind::MK_MainFile;
507 if (Reader.getContext().getLangOpts().BuildingPCHWithObjectFile &&
508 Reader.DeclIsFromPCHWithObjectFile(FD))
509 Reader.DefinitionSource[FD] = true;
510 }
511 if (auto *CD = dyn_cast<CXXConstructorDecl>(FD)) {
512 CD->setNumCtorInitializers(Record.readInt());
513 if (CD->getNumCtorInitializers())
514 CD->CtorInitializers = ReadGlobalOffset();
515 }
516 // Store the offset of the body so we can lazily load it later.
517 Reader.PendingBodies[FD] = GetCurrentCursorOffset();
518 HasPendingBody = true;
519 }
520
521 void ASTDeclReader::Visit(Decl *D) {
522 DeclVisitor<ASTDeclReader, void>::Visit(D);
523
524 // At this point we have deserialized and merged the decl and it is safe to
525 // update its canonical decl to signal that the entire entity is used.
526 D->getCanonicalDecl()->Used |= IsDeclMarkedUsed;
527 IsDeclMarkedUsed = false;
528
529 if (auto *DD = dyn_cast<DeclaratorDecl>(D)) {
530 if (auto *TInfo = DD->getTypeSourceInfo())
531 Record.readTypeLoc(TInfo->getTypeLoc());
532 }
533
534 if (auto *TD = dyn_cast<TypeDecl>(D)) {
535 // We have a fully initialized TypeDecl. Read its type now.
536 TD->setTypeForDecl(Reader.GetType(DeferredTypeID).getTypePtrOrNull());
537
538 // If this is a tag declaration with a typedef name for linkage, it's safe
539 // to load that typedef now.
540 if (NamedDeclForTagDecl)
541 cast<TagDecl>(D)->TypedefNameDeclOrQualifier =
542 cast<TypedefNameDecl>(Reader.GetDecl(NamedDeclForTagDecl));
543 } else if (auto *ID = dyn_cast<ObjCInterfaceDecl>(D)) {
544 // if we have a fully initialized TypeDecl, we can safely read its type now.
545 ID->TypeForDecl = Reader.GetType(DeferredTypeID).getTypePtrOrNull();
546 } else if (auto *FD = dyn_cast<FunctionDecl>(D)) {
547 // FunctionDecl's body was written last after all other Stmts/Exprs.
548 // We only read it if FD doesn't already have a body (e.g., from another
549 // module).
550 // FIXME: Can we diagnose ODR violations somehow?
551 if (Record.readInt())
552 ReadFunctionDefinition(FD);
553 }
554 }
555
556 void ASTDeclReader::VisitDecl(Decl *D) {
557 if (D->isTemplateParameter() || D->isTemplateParameterPack() ||
558 isa<ParmVarDecl>(D)) {
559 // We don't want to deserialize the DeclContext of a template
560 // parameter or of a parameter of a function template immediately. These
561 // entities might be used in the formulation of its DeclContext (for
562 // example, a function parameter can be used in decltype() in trailing
563 // return type of the function). Use the translation unit DeclContext as a
564 // placeholder.
565 GlobalDeclID SemaDCIDForTemplateParmDecl = readDeclID();
566 GlobalDeclID LexicalDCIDForTemplateParmDecl = readDeclID();
567 if (!LexicalDCIDForTemplateParmDecl)
568 LexicalDCIDForTemplateParmDecl = SemaDCIDForTemplateParmDecl;
569 Reader.addPendingDeclContextInfo(D,
570 SemaDCIDForTemplateParmDecl,
571 LexicalDCIDForTemplateParmDecl);
572 D->setDeclContext(Reader.getContext().getTranslationUnitDecl());
573 } else {
574 auto *SemaDC = readDeclAs<DeclContext>();
575 auto *LexicalDC = readDeclAs<DeclContext>();
576 if (!LexicalDC)
577 LexicalDC = SemaDC;
578 DeclContext *MergedSemaDC = Reader.MergedDeclContexts.lookup(SemaDC);
579 // Avoid calling setLexicalDeclContext() directly because it uses
580 // Decl::getASTContext() internally which is unsafe during derialization.
581 D->setDeclContextsImpl(MergedSemaDC ? MergedSemaDC : SemaDC, LexicalDC,
582 Reader.getContext());
583 }
584 D->setLocation(ThisDeclLoc);
585 D->setInvalidDecl(Record.readInt());
586 if (Record.readInt()) { // hasAttrs
587 AttrVec Attrs;
588 Record.readAttributes(Attrs);
589 // Avoid calling setAttrs() directly because it uses Decl::getASTContext()
590 // internally which is unsafe during derialization.
591 D->setAttrsImpl(Attrs, Reader.getContext());
592 }
593 D->setImplicit(Record.readInt());
594 D->Used = Record.readInt();
595 IsDeclMarkedUsed |= D->Used;
596 D->setReferenced(Record.readInt());
597 D->setTopLevelDeclInObjCContainer(Record.readInt());
598 D->setAccess((AccessSpecifier)Record.readInt());
599 D->FromASTFile = true;
600 bool ModulePrivate = Record.readInt();
601
602 // Determine whether this declaration is part of a (sub)module. If so, it
603 // may not yet be visible.
604 if (unsigned SubmoduleID = readSubmoduleID()) {
605 // Store the owning submodule ID in the declaration.
606 D->setModuleOwnershipKind(
607 ModulePrivate ? Decl::ModuleOwnershipKind::ModulePrivate
608 : Decl::ModuleOwnershipKind::VisibleWhenImported);
609 D->setOwningModuleID(SubmoduleID);
610
611 if (ModulePrivate) {
612 // Module-private declarations are never visible, so there is no work to
613 // do.
614 } else if (Reader.getContext().getLangOpts().ModulesLocalVisibility) {
615 // If local visibility is being tracked, this declaration will become
616 // hidden and visible as the owning module does.
617 } else if (Module *Owner = Reader.getSubmodule(SubmoduleID)) {
618 // Mark the declaration as visible when its owning module becomes visible.
619 if (Owner->NameVisibility == Module::AllVisible)
620 D->setVisibleDespiteOwningModule();
621 else
622 Reader.HiddenNamesMap[Owner].push_back(D);
623 }
624 } else if (ModulePrivate) {
625 D->setModuleOwnershipKind(Decl::ModuleOwnershipKind::ModulePrivate);
626 }
627 }
628
629 void ASTDeclReader::VisitPragmaCommentDecl(PragmaCommentDecl *D) {
630 VisitDecl(D);
631 D->setLocation(readSourceLocation());
632 D->CommentKind = (PragmaMSCommentKind)Record.readInt();
633 std::string Arg = readString();
634 memcpy(D->getTrailingObjects<char>(), Arg.data(), Arg.size());
635 D->getTrailingObjects<char>()[Arg.size()] = '\0';
636 }
637
638 void ASTDeclReader::VisitPragmaDetectMismatchDecl(PragmaDetectMismatchDecl *D) {
639 VisitDecl(D);
640 D->setLocation(readSourceLocation());
641 std::string Name = readString();
642 memcpy(D->getTrailingObjects<char>(), Name.data(), Name.size());
643 D->getTrailingObjects<char>()[Name.size()] = '\0';
644
645 D->ValueStart = Name.size() + 1;
646 std::string Value = readString();
647 memcpy(D->getTrailingObjects<char>() + D->ValueStart, Value.data(),
648 Value.size());
649 D->getTrailingObjects<char>()[D->ValueStart + Value.size()] = '\0';
650 }
651
652 void ASTDeclReader::VisitTranslationUnitDecl(TranslationUnitDecl *TU) {
653 llvm_unreachable("Translation units are not serialized");
654 }
655
656 void ASTDeclReader::VisitNamedDecl(NamedDecl *ND) {
657 VisitDecl(ND);
658 ND->setDeclName(Record.readDeclarationName());
659 AnonymousDeclNumber = Record.readInt();
660 }
661
662 void ASTDeclReader::VisitTypeDecl(TypeDecl *TD) {
663 VisitNamedDecl(TD);
664 TD->setLocStart(readSourceLocation());
665 // Delay type reading until after we have fully initialized the decl.
666 DeferredTypeID = Record.getGlobalTypeID(Record.readInt());
667 }
668
669 ASTDeclReader::RedeclarableResult
670 ASTDeclReader::VisitTypedefNameDecl(TypedefNameDecl *TD) {
671 RedeclarableResult Redecl = VisitRedeclarable(TD);
672 VisitTypeDecl(TD);
673 TypeSourceInfo *TInfo = readTypeSourceInfo();
674 if (Record.readInt()) { // isModed
675 QualType modedT = Record.readType();
676 TD->setModedTypeSourceInfo(TInfo, modedT);
677 } else
678 TD->setTypeSourceInfo(TInfo);
679 // Read and discard the declaration for which this is a typedef name for
680 // linkage, if it exists. We cannot rely on our type to pull in this decl,
681 // because it might have been merged with a type from another module and
682 // thus might not refer to our version of the declaration.
683 readDecl();
684 return Redecl;
685 }
686
687 void ASTDeclReader::VisitTypedefDecl(TypedefDecl *TD) {
688 RedeclarableResult Redecl = VisitTypedefNameDecl(TD);
689 mergeRedeclarable(TD, Redecl);
690 }
691
692 void ASTDeclReader::VisitTypeAliasDecl(TypeAliasDecl *TD) {
693 RedeclarableResult Redecl = VisitTypedefNameDecl(TD);
694 if (auto *Template = readDeclAs<TypeAliasTemplateDecl>())
695 // Merged when we merge the template.
696 TD->setDescribedAliasTemplate(Template);
697 else
698 mergeRedeclarable(TD, Redecl);
699 }
700
701 ASTDeclReader::RedeclarableResult ASTDeclReader::VisitTagDecl(TagDecl *TD) {
702 RedeclarableResult Redecl = VisitRedeclarable(TD);
703 VisitTypeDecl(TD);
704
705 TD->IdentifierNamespace = Record.readInt();
706 TD->setTagKind((TagDecl::TagKind)Record.readInt());
707 if (!isa<CXXRecordDecl>(TD))
708 TD->setCompleteDefinition(Record.readInt());
709 TD->setEmbeddedInDeclarator(Record.readInt());
710 TD->setFreeStanding(Record.readInt());
711 TD->setCompleteDefinitionRequired(Record.readInt());
712 TD->setBraceRange(readSourceRange());
713
714 switch (Record.readInt()) {
715 case 0:
716 break;
717 case 1: { // ExtInfo
718 auto *Info = new (Reader.getContext()) TagDecl::ExtInfo();
719 Record.readQualifierInfo(*Info);
720 TD->TypedefNameDeclOrQualifier = Info;
721 break;
722 }
723 case 2: // TypedefNameForAnonDecl
724 NamedDeclForTagDecl = readDeclID();
725 TypedefNameForLinkage = Record.readIdentifier();
726 break;
727 default:
728 llvm_unreachable("unexpected tag info kind");
729 }
730
731 if (!isa<CXXRecordDecl>(TD))
732 mergeRedeclarable(TD, Redecl);
733 return Redecl;
734 }
735
736 void ASTDeclReader::VisitEnumDecl(EnumDecl *ED) {
737 VisitTagDecl(ED);
738 if (TypeSourceInfo *TI = readTypeSourceInfo())
739 ED->setIntegerTypeSourceInfo(TI);
740 else
741 ED->setIntegerType(Record.readType());
742 ED->setPromotionType(Record.readType());
743 ED->setNumPositiveBits(Record.readInt());
744 ED->setNumNegativeBits(Record.readInt());
745 ED->setScoped(Record.readInt());
746 ED->setScopedUsingClassTag(Record.readInt());
747 ED->setFixed(Record.readInt());
748
749 ED->setHasODRHash(true);
750 ED->ODRHash = Record.readInt();
751
752 // If this is a definition subject to the ODR, and we already have a
753 // definition, merge this one into it.
754 if (ED->isCompleteDefinition() &&
755 Reader.getContext().getLangOpts().Modules &&
756 Reader.getContext().getLangOpts().CPlusPlus) {
757 EnumDecl *&OldDef = Reader.EnumDefinitions[ED->getCanonicalDecl()];
758 if (!OldDef) {
759 // This is the first time we've seen an imported definition. Look for a
760 // local definition before deciding that we are the first definition.
761 for (auto *D : merged_redecls(ED->getCanonicalDecl())) {
762 if (!D->isFromASTFile() && D->isCompleteDefinition()) {
763 OldDef = D;
764 break;
765 }
766 }
767 }
768 if (OldDef) {
769 Reader.MergedDeclContexts.insert(std::make_pair(ED, OldDef));
770 ED->setCompleteDefinition(false);
771 Reader.mergeDefinitionVisibility(OldDef, ED);
772 if (OldDef->getODRHash() != ED->getODRHash())
773 Reader.PendingEnumOdrMergeFailures[OldDef].push_back(ED);
774 } else {
775 OldDef = ED;
776 }
777 }
778
779 if (auto *InstED = readDeclAs<EnumDecl>()) {
780 auto TSK = (TemplateSpecializationKind)Record.readInt();
781 SourceLocation POI = readSourceLocation();
782 ED->setInstantiationOfMemberEnum(Reader.getContext(), InstED, TSK);
783 ED->getMemberSpecializationInfo()->setPointOfInstantiation(POI);
784 }
785 }
786
787 ASTDeclReader::RedeclarableResult
788 ASTDeclReader::VisitRecordDeclImpl(RecordDecl *RD) {
789 RedeclarableResult Redecl = VisitTagDecl(RD);
790 RD->setHasFlexibleArrayMember(Record.readInt());
791 RD->setAnonymousStructOrUnion(Record.readInt());
792 RD->setHasObjectMember(Record.readInt());
793 RD->setHasVolatileMember(Record.readInt());
794 RD->setNonTrivialToPrimitiveDefaultInitialize(Record.readInt());
795 RD->setNonTrivialToPrimitiveCopy(Record.readInt());
796 RD->setNonTrivialToPrimitiveDestroy(Record.readInt());
797 RD->setHasNonTrivialToPrimitiveDefaultInitializeCUnion(Record.readInt());
798 RD->setHasNonTrivialToPrimitiveDestructCUnion(Record.readInt());
799 RD->setHasNonTrivialToPrimitiveCopyCUnion(Record.readInt());
800 RD->setParamDestroyedInCallee(Record.readInt());
801 RD->setArgPassingRestrictions((RecordDecl::ArgPassingKind)Record.readInt());
802 return Redecl;
803 }
804
805 void ASTDeclReader::VisitValueDecl(ValueDecl *VD) {
806 VisitNamedDecl(VD);
807 // For function declarations, defer reading the type in case the function has
808 // a deduced return type that references an entity declared within the
809 // function.
810 if (isa<FunctionDecl>(VD))
811 DeferredTypeID = Record.getGlobalTypeID(Record.readInt());
812 else
813 VD->setType(Record.readType());
814 }
815
816 void ASTDeclReader::VisitEnumConstantDecl(EnumConstantDecl *ECD) {
817 VisitValueDecl(ECD);
818 if (Record.readInt())
819 ECD->setInitExpr(Record.readExpr());
820 ECD->setInitVal(Record.readAPSInt());
821 mergeMergeable(ECD);
822 }
823
824 void ASTDeclReader::VisitDeclaratorDecl(DeclaratorDecl *DD) {
825 VisitValueDecl(DD);
826 DD->setInnerLocStart(readSourceLocation());
827 if (Record.readInt()) { // hasExtInfo
828 auto *Info = new (Reader.getContext()) DeclaratorDecl::ExtInfo();
829 Record.readQualifierInfo(*Info);
830 Info->TrailingRequiresClause = Record.readExpr();
831 DD->DeclInfo = Info;
832 }
833 QualType TSIType = Record.readType();
834 DD->setTypeSourceInfo(
835 TSIType.isNull() ? nullptr
836 : Reader.getContext().CreateTypeSourceInfo(TSIType));
837 }
838
839 void ASTDeclReader::VisitFunctionDecl(FunctionDecl *FD) {
840 RedeclarableResult Redecl = VisitRedeclarable(FD);
841 VisitDeclaratorDecl(FD);
842
843 // Attach a type to this function. Use the real type if possible, but fall
844 // back to the type as written if it involves a deduced return type.
845 if (FD->getTypeSourceInfo() &&
846 FD->getTypeSourceInfo()->getType()->castAs<FunctionType>()
847 ->getReturnType()->getContainedAutoType()) {
848 // We'll set up the real type in Visit, once we've finished loading the
849 // function.
850 FD->setType(FD->getTypeSourceInfo()->getType());
851 Reader.PendingFunctionTypes.push_back({FD, DeferredTypeID});
852 } else {
853 FD->setType(Reader.GetType(DeferredTypeID));
854 }
855 DeferredTypeID = 0;
856
857 FD->DNLoc = Record.readDeclarationNameLoc(FD->getDeclName());
858 FD->IdentifierNamespace = Record.readInt();
859
860 // FunctionDecl's body is handled last at ASTDeclReader::Visit,
861 // after everything else is read.
862
863 FD->setStorageClass(static_cast<StorageClass>(Record.readInt()));
864 FD->setInlineSpecified(Record.readInt());
865 FD->setImplicitlyInline(Record.readInt());
866 FD->setVirtualAsWritten(Record.readInt());
867 FD->setPure(Record.readInt());
868 FD->setHasInheritedPrototype(Record.readInt());
869 FD->setHasWrittenPrototype(Record.readInt());
870 FD->setDeletedAsWritten(Record.readInt());
871 FD->setTrivial(Record.readInt());
872 FD->setTrivialForCall(Record.readInt());
873 FD->setDefaulted(Record.readInt());
874 FD->setExplicitlyDefaulted(Record.readInt());
875 FD->setHasImplicitReturnZero(Record.readInt());
876 FD->setConstexprKind(static_cast<ConstexprSpecKind>(Record.readInt()));
877 FD->setUsesSEHTry(Record.readInt());
878 FD->setHasSkippedBody(Record.readInt());
879 FD->setIsMultiVersion(Record.readInt());
880 FD->setLateTemplateParsed(Record.readInt());
881
882 FD->setCachedLinkage(static_cast<Linkage>(Record.readInt()));
883 FD->EndRangeLoc = readSourceLocation();
884
885 FD->ODRHash = Record.readInt();
886 FD->setHasODRHash(true);
887 FD->setUsesFPIntrin(Record.readInt());
888
889 if (FD->isDefaulted()) {
890 if (unsigned NumLookups = Record.readInt()) {
891 SmallVector<DeclAccessPair, 8> Lookups;
892 for (unsigned I = 0; I != NumLookups; ++I) {
893 NamedDecl *ND = Record.readDeclAs<NamedDecl>();
894 AccessSpecifier AS = (AccessSpecifier)Record.readInt();
895 Lookups.push_back(DeclAccessPair::make(ND, AS));
896 }
897 FD->setDefaultedFunctionInfo(FunctionDecl::DefaultedFunctionInfo::Create(
898 Reader.getContext(), Lookups));
899 }
900 }
901
902 switch ((FunctionDecl::TemplatedKind)Record.readInt()) {
903 case FunctionDecl::TK_NonTemplate:
904 mergeRedeclarable(FD, Redecl);
905 break;
906 case FunctionDecl::TK_FunctionTemplate:
907 // Merged when we merge the template.
908 FD->setDescribedFunctionTemplate(readDeclAs<FunctionTemplateDecl>());
909 break;
910 case FunctionDecl::TK_MemberSpecialization: {
911 auto *InstFD = readDeclAs<FunctionDecl>();
912 auto TSK = (TemplateSpecializationKind)Record.readInt();
913 SourceLocation POI = readSourceLocation();
914 FD->setInstantiationOfMemberFunction(Reader.getContext(), InstFD, TSK);
915 FD->getMemberSpecializationInfo()->setPointOfInstantiation(POI);
916 mergeRedeclarable(FD, Redecl);
917 break;
918 }
919 case FunctionDecl::TK_FunctionTemplateSpecialization: {
920 auto *Template = readDeclAs<FunctionTemplateDecl>();
921 auto TSK = (TemplateSpecializationKind)Record.readInt();
922
923 // Template arguments.
924 SmallVector<TemplateArgument, 8> TemplArgs;
925 Record.readTemplateArgumentList(TemplArgs, /*Canonicalize*/ true);
926
927 // Template args as written.
928 SmallVector<TemplateArgumentLoc, 8> TemplArgLocs;
929 SourceLocation LAngleLoc, RAngleLoc;
930 bool HasTemplateArgumentsAsWritten = Record.readInt();
931 if (HasTemplateArgumentsAsWritten) {
932 unsigned NumTemplateArgLocs = Record.readInt();
933 TemplArgLocs.reserve(NumTemplateArgLocs);
934 for (unsigned i = 0; i != NumTemplateArgLocs; ++i)
935 TemplArgLocs.push_back(Record.readTemplateArgumentLoc());
936
937 LAngleLoc = readSourceLocation();
938 RAngleLoc = readSourceLocation();
939 }
940
941 SourceLocation POI = readSourceLocation();
942
943 ASTContext &C = Reader.getContext();
944 TemplateArgumentList *TemplArgList
945 = TemplateArgumentList::CreateCopy(C, TemplArgs);
946 TemplateArgumentListInfo TemplArgsInfo(LAngleLoc, RAngleLoc);
947 for (unsigned i = 0, e = TemplArgLocs.size(); i != e; ++i)
948 TemplArgsInfo.addArgument(TemplArgLocs[i]);
949
950 MemberSpecializationInfo *MSInfo = nullptr;
951 if (Record.readInt()) {
952 auto *FD = readDeclAs<FunctionDecl>();
953 auto TSK = (TemplateSpecializationKind)Record.readInt();
954 SourceLocation POI = readSourceLocation();
955
956 MSInfo = new (C) MemberSpecializationInfo(FD, TSK);
957 MSInfo->setPointOfInstantiation(POI);
958 }
959
960 FunctionTemplateSpecializationInfo *FTInfo =
961 FunctionTemplateSpecializationInfo::Create(
962 C, FD, Template, TSK, TemplArgList,
963 HasTemplateArgumentsAsWritten ? &TemplArgsInfo : nullptr, POI,
964 MSInfo);
965 FD->TemplateOrSpecialization = FTInfo;
966
967 if (FD->isCanonicalDecl()) { // if canonical add to template's set.
968 // The template that contains the specializations set. It's not safe to
969 // use getCanonicalDecl on Template since it may still be initializing.
970 auto *CanonTemplate = readDeclAs<FunctionTemplateDecl>();
971 // Get the InsertPos by FindNodeOrInsertPos() instead of calling
972 // InsertNode(FTInfo) directly to avoid the getASTContext() call in
973 // FunctionTemplateSpecializationInfo's Profile().
974 // We avoid getASTContext because a decl in the parent hierarchy may
975 // be initializing.
976 llvm::FoldingSetNodeID ID;
977 FunctionTemplateSpecializationInfo::Profile(ID, TemplArgs, C);
978 void *InsertPos = nullptr;
979 FunctionTemplateDecl::Common *CommonPtr = CanonTemplate->getCommonPtr();
980 FunctionTemplateSpecializationInfo *ExistingInfo =
981 CommonPtr->Specializations.FindNodeOrInsertPos(ID, InsertPos);
982 if (InsertPos)
983 CommonPtr->Specializations.InsertNode(FTInfo, InsertPos);
984 else {
985 assert(Reader.getContext().getLangOpts().Modules &&
986 "already deserialized this template specialization");
987 mergeRedeclarable(FD, ExistingInfo->getFunction(), Redecl);
988 }
989 }
990 break;
991 }
992 case FunctionDecl::TK_DependentFunctionTemplateSpecialization: {
993 // Templates.
994 UnresolvedSet<8> TemplDecls;
995 unsigned NumTemplates = Record.readInt();
996 while (NumTemplates--)
997 TemplDecls.addDecl(readDeclAs<NamedDecl>());
998
999 // Templates args.
1000 TemplateArgumentListInfo TemplArgs;
1001 unsigned NumArgs = Record.readInt();
1002 while (NumArgs--)
1003 TemplArgs.addArgument(Record.readTemplateArgumentLoc());
1004 TemplArgs.setLAngleLoc(readSourceLocation());
1005 TemplArgs.setRAngleLoc(readSourceLocation());
1006
1007 FD->setDependentTemplateSpecialization(Reader.getContext(),
1008 TemplDecls, TemplArgs);
1009 // These are not merged; we don't need to merge redeclarations of dependent
1010 // template friends.
1011 break;
1012 }
1013 }
1014
1015 // Read in the parameters.
1016 unsigned NumParams = Record.readInt();
1017 SmallVector<ParmVarDecl *, 16> Params;
1018 Params.reserve(NumParams);
1019 for (unsigned I = 0; I != NumParams; ++I)
1020 Params.push_back(readDeclAs<ParmVarDecl>());
1021 FD->setParams(Reader.getContext(), Params);
1022 }
1023
1024 void ASTDeclReader::VisitObjCMethodDecl(ObjCMethodDecl *MD) {
1025 VisitNamedDecl(MD);
1026 if (Record.readInt()) {
1027 // Load the body on-demand. Most clients won't care, because method
1028 // definitions rarely show up in headers.
1029 Reader.PendingBodies[MD] = GetCurrentCursorOffset();
1030 HasPendingBody = true;
1031 }
1032 MD->setSelfDecl(readDeclAs<ImplicitParamDecl>());
1033 MD->setCmdDecl(readDeclAs<ImplicitParamDecl>());
1034 MD->setInstanceMethod(Record.readInt());
1035 MD->setVariadic(Record.readInt());
1036 MD->setPropertyAccessor(Record.readInt());
1037 MD->setSynthesizedAccessorStub(Record.readInt());
1038 MD->setDefined(Record.readInt());
1039 MD->setOverriding(Record.readInt());
1040 MD->setHasSkippedBody(Record.readInt());
1041
1042 MD->setIsRedeclaration(Record.readInt());
1043 MD->setHasRedeclaration(Record.readInt());
1044 if (MD->hasRedeclaration())
1045 Reader.getContext().setObjCMethodRedeclaration(MD,
1046 readDeclAs<ObjCMethodDecl>());
1047
1048 MD->setDeclImplementation((ObjCMethodDecl::ImplementationControl)Record.readInt());
1049 MD->setObjCDeclQualifier((Decl::ObjCDeclQualifier)Record.readInt());
1050 MD->setRelatedResultType(Record.readInt());
1051 MD->setReturnType(Record.readType());
1052 MD->setReturnTypeSourceInfo(readTypeSourceInfo());
1053 MD->DeclEndLoc = readSourceLocation();
1054 unsigned NumParams = Record.readInt();
1055 SmallVector<ParmVarDecl *, 16> Params;
1056 Params.reserve(NumParams);
1057 for (unsigned I = 0; I != NumParams; ++I)
1058 Params.push_back(readDeclAs<ParmVarDecl>());
1059
1060 MD->setSelLocsKind((SelectorLocationsKind)Record.readInt());
1061 unsigned NumStoredSelLocs = Record.readInt();
1062 SmallVector<SourceLocation, 16> SelLocs;
1063 SelLocs.reserve(NumStoredSelLocs);
1064 for (unsigned i = 0; i != NumStoredSelLocs; ++i)
1065 SelLocs.push_back(readSourceLocation());
1066
1067 MD->setParamsAndSelLocs(Reader.getContext(), Params, SelLocs);
1068 }
1069
1070 void ASTDeclReader::VisitObjCTypeParamDecl(ObjCTypeParamDecl *D) {
1071 VisitTypedefNameDecl(D);
1072
1073 D->Variance = Record.readInt();
1074 D->Index = Record.readInt();
1075 D->VarianceLoc = readSourceLocation();
1076 D->ColonLoc = readSourceLocation();
1077 }
1078
1079 void ASTDeclReader::VisitObjCContainerDecl(ObjCContainerDecl *CD) {
1080 VisitNamedDecl(CD);
1081 CD->setAtStartLoc(readSourceLocation());
1082 CD->setAtEndRange(readSourceRange());
1083 }
1084
1085 ObjCTypeParamList *ASTDeclReader::ReadObjCTypeParamList() {
1086 unsigned numParams = Record.readInt();
1087 if (numParams == 0)
1088 return nullptr;
1089
1090 SmallVector<ObjCTypeParamDecl *, 4> typeParams;
1091 typeParams.reserve(numParams);
1092 for (unsigned i = 0; i != numParams; ++i) {
1093 auto *typeParam = readDeclAs<ObjCTypeParamDecl>();
1094 if (!typeParam)
1095 return nullptr;
1096
1097 typeParams.push_back(typeParam);
1098 }
1099
1100 SourceLocation lAngleLoc = readSourceLocation();
1101 SourceLocation rAngleLoc = readSourceLocation();
1102
1103 return ObjCTypeParamList::create(Reader.getContext(), lAngleLoc,
1104 typeParams, rAngleLoc);
1105 }
1106
1107 void ASTDeclReader::ReadObjCDefinitionData(
1108 struct ObjCInterfaceDecl::DefinitionData &Data) {
1109 // Read the superclass.
1110 Data.SuperClassTInfo = readTypeSourceInfo();
1111
1112 Data.EndLoc = readSourceLocation();
1113 Data.HasDesignatedInitializers = Record.readInt();
1114
1115 // Read the directly referenced protocols and their SourceLocations.
1116 unsigned NumProtocols = Record.readInt();
1117 SmallVector<ObjCProtocolDecl *, 16> Protocols;
1118 Protocols.reserve(NumProtocols);
1119 for (unsigned I = 0; I != NumProtocols; ++I)
1120 Protocols.push_back(readDeclAs<ObjCProtocolDecl>());
1121 SmallVector<SourceLocation, 16> ProtoLocs;
1122 ProtoLocs.reserve(NumProtocols);
1123 for (unsigned I = 0; I != NumProtocols; ++I)
1124 ProtoLocs.push_back(readSourceLocation());
1125 Data.ReferencedProtocols.set(Protocols.data(), NumProtocols, ProtoLocs.data(),
1126 Reader.getContext());
1127
1128 // Read the transitive closure of protocols referenced by this class.
1129 NumProtocols = Record.readInt();
1130 Protocols.clear();
1131 Protocols.reserve(NumProtocols);
1132 for (unsigned I = 0; I != NumProtocols; ++I)
1133 Protocols.push_back(readDeclAs<ObjCProtocolDecl>());
1134 Data.AllReferencedProtocols.set(Protocols.data(), NumProtocols,
1135 Reader.getContext());
1136 }
1137
1138 void ASTDeclReader::MergeDefinitionData(ObjCInterfaceDecl *D,
1139 struct ObjCInterfaceDecl::DefinitionData &&NewDD) {
1140 // FIXME: odr checking?
1141 }
1142
1143 void ASTDeclReader::VisitObjCInterfaceDecl(ObjCInterfaceDecl *ID) {
1144 RedeclarableResult Redecl = VisitRedeclarable(ID);
1145 VisitObjCContainerDecl(ID);
1146 DeferredTypeID = Record.getGlobalTypeID(Record.readInt());
1147 mergeRedeclarable(ID, Redecl);
1148
1149 ID->TypeParamList = ReadObjCTypeParamList();
1150 if (Record.readInt()) {
1151 // Read the definition.
1152 ID->allocateDefinitionData();
1153
1154 ReadObjCDefinitionData(ID->data());
1155 ObjCInterfaceDecl *Canon = ID->getCanonicalDecl();
1156 if (Canon->Data.getPointer()) {
1157 // If we already have a definition, keep the definition invariant and
1158 // merge the data.
1159 MergeDefinitionData(Canon, std::move(ID->data()));
1160 ID->Data = Canon->Data;
1161 } else {
1162 // Set the definition data of the canonical declaration, so other
1163 // redeclarations will see it.
1164 ID->getCanonicalDecl()->Data = ID->Data;
1165
1166 // We will rebuild this list lazily.
1167 ID->setIvarList(nullptr);
1168 }
1169
1170 // Note that we have deserialized a definition.
1171 Reader.PendingDefinitions.insert(ID);
1172
1173 // Note that we've loaded this Objective-C class.
1174 Reader.ObjCClassesLoaded.push_back(ID);
1175 } else {
1176 ID->Data = ID->getCanonicalDecl()->Data;
1177 }
1178 }
1179
1180 void ASTDeclReader::VisitObjCIvarDecl(ObjCIvarDecl *IVD) {
1181 VisitFieldDecl(IVD);
1182 IVD->setAccessControl((ObjCIvarDecl::AccessControl)Record.readInt());
1183 // This field will be built lazily.
1184 IVD->setNextIvar(nullptr);
1185 bool synth = Record.readInt();
1186 IVD->setSynthesize(synth);
1187 }
1188
1189 void ASTDeclReader::ReadObjCDefinitionData(
1190 struct ObjCProtocolDecl::DefinitionData &Data) {
1191 unsigned NumProtoRefs = Record.readInt();
1192 SmallVector<ObjCProtocolDecl *, 16> ProtoRefs;
1193 ProtoRefs.reserve(NumProtoRefs);
1194 for (unsigned I = 0; I != NumProtoRefs; ++I)
1195 ProtoRefs.push_back(readDeclAs<ObjCProtocolDecl>());
1196 SmallVector<SourceLocation, 16> ProtoLocs;
1197 ProtoLocs.reserve(NumProtoRefs);
1198 for (unsigned I = 0; I != NumProtoRefs; ++I)
1199 ProtoLocs.push_back(readSourceLocation());
1200 Data.ReferencedProtocols.set(ProtoRefs.data(), NumProtoRefs,
1201 ProtoLocs.data(), Reader.getContext());
1202 }
1203
1204 void ASTDeclReader::MergeDefinitionData(ObjCProtocolDecl *D,
1205 struct ObjCProtocolDecl::DefinitionData &&NewDD) {
1206 // FIXME: odr checking?
1207 }
1208
1209 void ASTDeclReader::VisitObjCProtocolDecl(ObjCProtocolDecl *PD) {
1210 RedeclarableResult Redecl = VisitRedeclarable(PD);
1211 VisitObjCContainerDecl(PD);
1212 mergeRedeclarable(PD, Redecl);
1213
1214 if (Record.readInt()) {
1215 // Read the definition.
1216 PD->allocateDefinitionData();
1217
1218 ReadObjCDefinitionData(PD->data());
1219
1220 ObjCProtocolDecl *Canon = PD->getCanonicalDecl();
1221 if (Canon->Data.getPointer()) {
1222 // If we already have a definition, keep the definition invariant and
1223 // merge the data.
1224 MergeDefinitionData(Canon, std::move(PD->data()));
1225 PD->Data = Canon->Data;
1226 } else {
1227 // Set the definition data of the canonical declaration, so other
1228 // redeclarations will see it.
1229 PD->getCanonicalDecl()->Data = PD->Data;
1230 }
1231 // Note that we have deserialized a definition.
1232 Reader.PendingDefinitions.insert(PD);
1233 } else {
1234 PD->Data = PD->getCanonicalDecl()->Data;
1235 }
1236 }
1237
1238 void ASTDeclReader::VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *FD) {
1239 VisitFieldDecl(FD);
1240 }
1241
1242 void ASTDeclReader::VisitObjCCategoryDecl(ObjCCategoryDecl *CD) {
1243 VisitObjCContainerDecl(CD);
1244 CD->setCategoryNameLoc(readSourceLocation());
1245 CD->setIvarLBraceLoc(readSourceLocation());
1246 CD->setIvarRBraceLoc(readSourceLocation());
1247
1248 // Note that this category has been deserialized. We do this before
1249 // deserializing the interface declaration, so that it will consider this
1250 /// category.
1251 Reader.CategoriesDeserialized.insert(CD);
1252
1253 CD->ClassInterface = readDeclAs<ObjCInterfaceDecl>();
1254 CD->TypeParamList = ReadObjCTypeParamList();
1255 unsigned NumProtoRefs = Record.readInt();
1256 SmallVector<ObjCProtocolDecl *, 16> ProtoRefs;
1257 ProtoRefs.reserve(NumProtoRefs);
1258 for (unsigned I = 0; I != NumProtoRefs; ++I)
1259 ProtoRefs.push_back(readDeclAs<ObjCProtocolDecl>());
1260 SmallVector<SourceLocation, 16> ProtoLocs;
1261 ProtoLocs.reserve(NumProtoRefs);
1262 for (unsigned I = 0; I != NumProtoRefs; ++I)
1263 ProtoLocs.push_back(readSourceLocation());
1264 CD->setProtocolList(ProtoRefs.data(), NumProtoRefs, ProtoLocs.data(),
1265 Reader.getContext());
1266
1267 // Protocols in the class extension belong to the class.
1268 if (NumProtoRefs > 0 && CD->ClassInterface && CD->IsClassExtension())
1269 CD->ClassInterface->mergeClassExtensionProtocolList(
1270 (ObjCProtocolDecl *const *)ProtoRefs.data(), NumProtoRefs,
1271 Reader.getContext());
1272 }
1273
1274 void ASTDeclReader::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *CAD) {
1275 VisitNamedDecl(CAD);
1276 CAD->setClassInterface(readDeclAs<ObjCInterfaceDecl>());
1277 }
1278
1279 void ASTDeclReader::VisitObjCPropertyDecl(ObjCPropertyDecl *D) {
1280 VisitNamedDecl(D);
1281 D->setAtLoc(readSourceLocation());
1282 D->setLParenLoc(readSourceLocation());
1283 QualType T = Record.readType();
1284 TypeSourceInfo *TSI = readTypeSourceInfo();
1285 D->setType(T, TSI);
1286 D->setPropertyAttributes(
1287 (ObjCPropertyDecl::PropertyAttributeKind)Record.readInt());
1288 D->setPropertyAttributesAsWritten(
1289 (ObjCPropertyDecl::PropertyAttributeKind)Record.readInt());
1290 D->setPropertyImplementation(
1291 (ObjCPropertyDecl::PropertyControl)Record.readInt());
1292 DeclarationName GetterName = Record.readDeclarationName();
1293 SourceLocation GetterLoc = readSourceLocation();
1294 D->setGetterName(GetterName.getObjCSelector(), GetterLoc);
1295 DeclarationName SetterName = Record.readDeclarationName();
1296 SourceLocation SetterLoc = readSourceLocation();
1297 D->setSetterName(SetterName.getObjCSelector(), SetterLoc);
1298 D->setGetterMethodDecl(readDeclAs<ObjCMethodDecl>());
1299 D->setSetterMethodDecl(readDeclAs<ObjCMethodDecl>());
1300 D->setPropertyIvarDecl(readDeclAs<ObjCIvarDecl>());
1301 }
1302
1303 void ASTDeclReader::VisitObjCImplDecl(ObjCImplDecl *D) {
1304 VisitObjCContainerDecl(D);
1305 D->setClassInterface(readDeclAs<ObjCInterfaceDecl>());
1306 }
1307
1308 void ASTDeclReader::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
1309 VisitObjCImplDecl(D);
1310 D->CategoryNameLoc = readSourceLocation();
1311 }
1312
1313 void ASTDeclReader::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
1314 VisitObjCImplDecl(D);
1315 D->setSuperClass(readDeclAs<ObjCInterfaceDecl>());
1316 D->SuperLoc = readSourceLocation();
1317 D->setIvarLBraceLoc(readSourceLocation());
1318 D->setIvarRBraceLoc(readSourceLocation());
1319 D->setHasNonZeroConstructors(Record.readInt());
1320 D->setHasDestructors(Record.readInt());
1321 D->NumIvarInitializers = Record.readInt();
1322 if (D->NumIvarInitializers)
1323 D->IvarInitializers = ReadGlobalOffset();
1324 }
1325
1326 void ASTDeclReader::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) {
1327 VisitDecl(D);
1328 D->setAtLoc(readSourceLocation());
1329 D->setPropertyDecl(readDeclAs<ObjCPropertyDecl>());
1330 D->PropertyIvarDecl = readDeclAs<ObjCIvarDecl>();
1331 D->IvarLoc = readSourceLocation();
1332 D->setGetterMethodDecl(readDeclAs<ObjCMethodDecl>());
1333 D->setSetterMethodDecl(readDeclAs<ObjCMethodDecl>());
1334 D->setGetterCXXConstructor(Record.readExpr());
1335 D->setSetterCXXAssignment(Record.readExpr());
1336 }
1337
1338 void ASTDeclReader::VisitFieldDecl(FieldDecl *FD) {
1339 VisitDeclaratorDecl(FD);
1340 FD->Mutable = Record.readInt();
1341
1342 if (auto ISK = static_cast<FieldDecl::InitStorageKind>(Record.readInt())) {
1343 FD->InitStorage.setInt(ISK);
1344 FD->InitStorage.setPointer(ISK == FieldDecl::ISK_CapturedVLAType
1345 ? Record.readType().getAsOpaquePtr()
1346 : Record.readExpr());
1347 }
1348
1349 if (auto *BW = Record.readExpr())
1350 FD->setBitWidth(BW);
1351
1352 if (!FD->getDeclName()) {
1353 if (auto *Tmpl = readDeclAs<FieldDecl>())
1354 Reader.getContext().setInstantiatedFromUnnamedFieldDecl(FD, Tmpl);
1355 }
1356 mergeMergeable(FD);
1357 }
1358
1359 void ASTDeclReader::VisitMSPropertyDecl(MSPropertyDecl *PD) {
1360 VisitDeclaratorDecl(PD);
1361 PD->GetterId = Record.readIdentifier();
1362 PD->SetterId = Record.readIdentifier();
1363 }
1364
1365 void ASTDeclReader::VisitIndirectFieldDecl(IndirectFieldDecl *FD) {
1366 VisitValueDecl(FD);
1367
1368 FD->ChainingSize = Record.readInt();
1369 assert(FD->ChainingSize >= 2 && "Anonymous chaining must be >= 2");
1370 FD->Chaining = new (Reader.getContext())NamedDecl*[FD->ChainingSize];
1371
1372 for (unsigned I = 0; I != FD->ChainingSize; ++I)
1373 FD->Chaining[I] = readDeclAs<NamedDecl>();
1374
1375 mergeMergeable(FD);
1376 }
1377
1378 ASTDeclReader::RedeclarableResult ASTDeclReader::VisitVarDeclImpl(VarDecl *VD) {
1379 RedeclarableResult Redecl = VisitRedeclarable(VD);
1380 VisitDeclaratorDecl(VD);
1381
1382 VD->VarDeclBits.SClass = (StorageClass)Record.readInt();
1383 VD->VarDeclBits.TSCSpec = Record.readInt();
1384 VD->VarDeclBits.InitStyle = Record.readInt();
1385 VD->VarDeclBits.ARCPseudoStrong = Record.readInt();
1386 if (!isa<ParmVarDecl>(VD)) {
1387 VD->NonParmVarDeclBits.IsThisDeclarationADemotedDefinition =
1388 Record.readInt();
1389 VD->NonParmVarDeclBits.ExceptionVar = Record.readInt();
1390 VD->NonParmVarDeclBits.NRVOVariable = Record.readInt();
1391 VD->NonParmVarDeclBits.CXXForRangeDecl = Record.readInt();
1392 VD->NonParmVarDeclBits.ObjCForDecl = Record.readInt();
1393 VD->NonParmVarDeclBits.IsInline = Record.readInt();
1394 VD->NonParmVarDeclBits.IsInlineSpecified = Record.readInt();
1395 VD->NonParmVarDeclBits.IsConstexpr = Record.readInt();
1396 VD->NonParmVarDeclBits.IsInitCapture = Record.readInt();
1397 VD->NonParmVarDeclBits.PreviousDeclInSameBlockScope = Record.readInt();
1398 VD->NonParmVarDeclBits.ImplicitParamKind = Record.readInt();
1399 VD->NonParmVarDeclBits.EscapingByref = Record.readInt();
1400 }
1401 auto VarLinkage = Linkage(Record.readInt());
1402 VD->setCachedLinkage(VarLinkage);
1403
1404 // Reconstruct the one piece of the IdentifierNamespace that we need.
1405 if (VD->getStorageClass() == SC_Extern && VarLinkage != NoLinkage &&
1406 VD->getLexicalDeclContext()->isFunctionOrMethod())
1407 VD->setLocalExternDecl();
1408
1409 if (uint64_t Val = Record.readInt()) {
1410 VD->setInit(Record.readExpr());
1411 if (Val > 1) {
1412 EvaluatedStmt *Eval = VD->ensureEvaluatedStmt();
1413 Eval->CheckedICE = true;
1414 Eval->IsICE = (Val & 1) != 0;
1415 Eval->HasConstantDestruction = (Val & 4) != 0;
1416 }
1417 }
1418
1419 if (VD->hasAttr<BlocksAttr>() && VD->getType()->getAsCXXRecordDecl()) {
1420 Expr *CopyExpr = Record.readExpr();
1421 if (CopyExpr)
1422 Reader.getContext().setBlockVarCopyInit(VD, CopyExpr, Record.readInt());
1423 }
1424
1425 if (VD->getStorageDuration() == SD_Static && Record.readInt()) {
1426 Reader.DefinitionSource[VD] = Loc.F->Kind == ModuleKind::MK_MainFile;
1427 if (Reader.getContext().getLangOpts().BuildingPCHWithObjectFile &&
1428 Reader.DeclIsFromPCHWithObjectFile(VD))
1429 Reader.DefinitionSource[VD] = true;
1430 }
1431
1432 enum VarKind {
1433 VarNotTemplate = 0, VarTemplate, StaticDataMemberSpecialization
1434 };
1435 switch ((VarKind)Record.readInt()) {
1436 case VarNotTemplate:
1437 // Only true variables (not parameters or implicit parameters) can be
1438 // merged; the other kinds are not really redeclarable at all.
1439 if (!isa<ParmVarDecl>(VD) && !isa<ImplicitParamDecl>(VD) &&
1440 !isa<VarTemplateSpecializationDecl>(VD))
1441 mergeRedeclarable(VD, Redecl);
1442 break;
1443 case VarTemplate:
1444 // Merged when we merge the template.
1445 VD->setDescribedVarTemplate(readDeclAs<VarTemplateDecl>());
1446 break;
1447 case StaticDataMemberSpecialization: { // HasMemberSpecializationInfo.
1448 auto *Tmpl = readDeclAs<VarDecl>();
1449 auto TSK = (TemplateSpecializationKind)Record.readInt();
1450 SourceLocation POI = readSourceLocation();
1451 Reader.getContext().setInstantiatedFromStaticDataMember(VD, Tmpl, TSK,POI);
1452 mergeRedeclarable(VD, Redecl);
1453 break;
1454 }
1455 }
1456
1457 return Redecl;
1458 }
1459
1460 void ASTDeclReader::VisitImplicitParamDecl(ImplicitParamDecl *PD) {
1461 VisitVarDecl(PD);
1462 }
1463
1464 void ASTDeclReader::VisitParmVarDecl(ParmVarDecl *PD) {
1465 VisitVarDecl(PD);
1466 unsigned isObjCMethodParam = Record.readInt();
1467 unsigned scopeDepth = Record.readInt();
1468 unsigned scopeIndex = Record.readInt();
1469 unsigned declQualifier = Record.readInt();
1470 if (isObjCMethodParam) {
1471 assert(scopeDepth == 0);
1472 PD->setObjCMethodScopeInfo(scopeIndex);
1473 PD->ParmVarDeclBits.ScopeDepthOrObjCQuals = declQualifier;
1474 } else {
1475 PD->setScopeInfo(scopeDepth, scopeIndex);
1476 }
1477 PD->ParmVarDeclBits.IsKNRPromoted = Record.readInt();
1478 PD->ParmVarDeclBits.HasInheritedDefaultArg = Record.readInt();
1479 if (Record.readInt()) // hasUninstantiatedDefaultArg.
1480 PD->setUninstantiatedDefaultArg(Record.readExpr());
1481
1482 // FIXME: If this is a redeclaration of a function from another module, handle
1483 // inheritance of default arguments.
1484 }
1485
1486 void ASTDeclReader::VisitDecompositionDecl(DecompositionDecl *DD) {
1487 VisitVarDecl(DD);
1488 auto **BDs = DD->getTrailingObjects<BindingDecl *>();
1489 for (unsigned I = 0; I != DD->NumBindings; ++I) {
1490 BDs[I] = readDeclAs<BindingDecl>();
1491 BDs[I]->setDecomposedDecl(DD);
1492 }
1493 }
1494
1495 void ASTDeclReader::VisitBindingDecl(BindingDecl *BD) {
1496 VisitValueDecl(BD);
1497 BD->Binding = Record.readExpr();
1498 }
1499
1500 void ASTDeclReader::VisitFileScopeAsmDecl(FileScopeAsmDecl *AD) {
1501 VisitDecl(AD);
1502 AD->setAsmString(cast<StringLiteral>(Record.readExpr()));
1503 AD->setRParenLoc(readSourceLocation());
1504 }
1505
1506 void ASTDeclReader::VisitBlockDecl(BlockDecl *BD) {
1507 VisitDecl(BD);
1508 BD->setBody(cast_or_null<CompoundStmt>(Record.readStmt()));
1509 BD->setSignatureAsWritten(readTypeSourceInfo());
1510 unsigned NumParams = Record.readInt();
1511 SmallVector<ParmVarDecl *, 16> Params;
1512 Params.reserve(NumParams);
1513 for (unsigned I = 0; I != NumParams; ++I)
1514 Params.push_back(readDeclAs<ParmVarDecl>());
1515 BD->setParams(Params);
1516
1517 BD->setIsVariadic(Record.readInt());
1518 BD->setBlockMissingReturnType(Record.readInt());
1519 BD->setIsConversionFromLambda(Record.readInt());
1520 BD->setDoesNotEscape(Record.readInt());
1521 BD->setCanAvoidCopyToHeap(Record.readInt());
1522
1523 bool capturesCXXThis = Record.readInt();
1524 unsigned numCaptures = Record.readInt();
1525 SmallVector<BlockDecl::Capture, 16> captures;
1526 captures.reserve(numCaptures);
1527 for (unsigned i = 0; i != numCaptures; ++i) {
1528 auto *decl = readDeclAs<VarDecl>();
1529 unsigned flags = Record.readInt();
1530 bool byRef = (flags & 1);
1531 bool nested = (flags & 2);
1532 Expr *copyExpr = ((flags & 4) ? Record.readExpr() : nullptr);
1533
1534 captures.push_back(BlockDecl::Capture(decl, byRef, nested, copyExpr));
1535 }
1536 BD->setCaptures(Reader.getContext(), captures, capturesCXXThis);
1537 }
1538
1539 void ASTDeclReader::VisitCapturedDecl(CapturedDecl *CD) {
1540 VisitDecl(CD);
1541 unsigned ContextParamPos = Record.readInt();
1542 CD->setNothrow(Record.readInt() != 0);
1543 // Body is set by VisitCapturedStmt.
1544 for (unsigned I = 0; I < CD->NumParams; ++I) {
1545 if (I != ContextParamPos)
1546 CD->setParam(I, readDeclAs<ImplicitParamDecl>());
1547 else
1548 CD->setContextParam(I, readDeclAs<ImplicitParamDecl>());
1549 }
1550 }
1551
1552 void ASTDeclReader::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
1553 VisitDecl(D);
1554 D->setLanguage((LinkageSpecDecl::LanguageIDs)Record.readInt());
1555 D->setExternLoc(readSourceLocation());
1556 D->setRBraceLoc(readSourceLocation());
1557 }
1558
1559 void ASTDeclReader::VisitExportDecl(ExportDecl *D) {
1560 VisitDecl(D);
1561 D->RBraceLoc = readSourceLocation();
1562 }
1563
1564 void ASTDeclReader::VisitLabelDecl(LabelDecl *D) {
1565 VisitNamedDecl(D);
1566 D->setLocStart(readSourceLocation());
1567 }
1568
1569 void ASTDeclReader::VisitNamespaceDecl(NamespaceDecl *D) {
1570 RedeclarableResult Redecl = VisitRedeclarable(D);
1571 VisitNamedDecl(D);
1572 D->setInline(Record.readInt());
1573 D->LocStart = readSourceLocation();
1574 D->RBraceLoc = readSourceLocation();
1575
1576 // Defer loading the anonymous namespace until we've finished merging
1577 // this namespace; loading it might load a later declaration of the
1578 // same namespace, and we have an invariant that older declarations
1579 // get merged before newer ones try to merge.
1580 GlobalDeclID AnonNamespace = 0;
1581 if (Redecl.getFirstID() == ThisDeclID) {
1582 AnonNamespace = readDeclID();
1583 } else {
1584 // Link this namespace back to the first declaration, which has already
1585 // been deserialized.
1586 D->AnonOrFirstNamespaceAndInline.setPointer(D->getFirstDecl());
1587 }
1588
1589 mergeRedeclarable(D, Redecl);
1590
1591 if (AnonNamespace) {
1592 // Each module has its own anonymous namespace, which is disjoint from
1593 // any other module's anonymous namespaces, so don't attach the anonymous
1594 // namespace at all.
1595 auto *Anon = cast<NamespaceDecl>(Reader.GetDecl(AnonNamespace));
1596 if (!Record.isModule())
1597 D->setAnonymousNamespace(Anon);
1598 }
1599 }
1600
1601 void ASTDeclReader::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
1602 RedeclarableResult Redecl = VisitRedeclarable(D);
1603 VisitNamedDecl(D);
1604 D->NamespaceLoc = readSourceLocation();
1605 D->IdentLoc = readSourceLocation();
1606 D->QualifierLoc = Record.readNestedNameSpecifierLoc();
1607 D->Namespace = readDeclAs<NamedDecl>();
1608 mergeRedeclarable(D, Redecl);
1609 }
1610
1611 void ASTDeclReader::VisitUsingDecl(UsingDecl *D) {
1612 VisitNamedDecl(D);
1613 D->setUsingLoc(readSourceLocation());
1614 D->QualifierLoc = Record.readNestedNameSpecifierLoc();
1615 D->DNLoc = Record.readDeclarationNameLoc(D->getDeclName());
1616 D->FirstUsingShadow.setPointer(readDeclAs<UsingShadowDecl>());
1617 D->setTypename(Record.readInt());
1618 if (auto *Pattern = readDeclAs<NamedDecl>())
1619 Reader.getContext().setInstantiatedFromUsingDecl(D, Pattern);
1620 mergeMergeable(D);
1621 }
1622
1623 void ASTDeclReader::VisitUsingPackDecl(UsingPackDecl *D) {
1624 VisitNamedDecl(D);
1625 D->InstantiatedFrom = readDeclAs<NamedDecl>();
1626 auto **Expansions = D->getTrailingObjects<NamedDecl *>();
1627 for (unsigned I = 0; I != D->NumExpansions; ++I)
1628 Expansions[I] = readDeclAs<NamedDecl>();
1629 mergeMergeable(D);
1630 }
1631
1632 void ASTDeclReader::VisitUsingShadowDecl(UsingShadowDecl *D) {
1633 RedeclarableResult Redecl = VisitRedeclarable(D);
1634 VisitNamedDecl(D);
1635 D->Underlying = readDeclAs<NamedDecl>();
1636 D->IdentifierNamespace = Record.readInt();
1637 D->UsingOrNextShadow = readDeclAs<NamedDecl>();
1638 auto *Pattern = readDeclAs<UsingShadowDecl>();
1639 if (Pattern)
1640 Reader.getContext().setInstantiatedFromUsingShadowDecl(D, Pattern);
1641 mergeRedeclarable(D, Redecl);
1642 }
1643
1644 void ASTDeclReader::VisitConstructorUsingShadowDecl(
1645 ConstructorUsingShadowDecl *D) {
1646 VisitUsingShadowDecl(D);
1647 D->NominatedBaseClassShadowDecl = readDeclAs<ConstructorUsingShadowDecl>();
1648 D->ConstructedBaseClassShadowDecl = readDeclAs<ConstructorUsingShadowDecl>();
1649 D->IsVirtual = Record.readInt();
1650 }
1651
1652 void ASTDeclReader::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
1653 VisitNamedDecl(D);
1654 D->UsingLoc = readSourceLocation();
1655 D->NamespaceLoc = readSourceLocation();
1656 D->QualifierLoc = Record.readNestedNameSpecifierLoc();
1657 D->NominatedNamespace = readDeclAs<NamedDecl>();
1658 D->CommonAncestor = readDeclAs<DeclContext>();
1659 }
1660
1661 void ASTDeclReader::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
1662 VisitValueDecl(D);
1663 D->setUsingLoc(readSourceLocation());
1664 D->QualifierLoc = Record.readNestedNameSpecifierLoc();
1665 D->DNLoc = Record.readDeclarationNameLoc(D->getDeclName());
1666 D->EllipsisLoc = readSourceLocation();
1667 mergeMergeable(D);
1668 }
1669
1670 void ASTDeclReader::VisitUnresolvedUsingTypenameDecl(
1671 UnresolvedUsingTypenameDecl *D) {
1672 VisitTypeDecl(D);
1673 D->TypenameLocation = readSourceLocation();
1674 D->QualifierLoc = Record.readNestedNameSpecifierLoc();
1675 D->EllipsisLoc = readSourceLocation();
1676 mergeMergeable(D);
1677 }
1678
1679 void ASTDeclReader::ReadCXXDefinitionData(
1680 struct CXXRecordDecl::DefinitionData &Data, const CXXRecordDecl *D) {
1681 #define FIELD(Name, Width, Merge) \
1682 Data.Name = Record.readInt();
1683 #include "clang/AST/CXXRecordDeclDefinitionBits.def"
1684
1685 // Note: the caller has deserialized the IsLambda bit already.
1686 Data.ODRHash = Record.readInt();
1687 Data.HasODRHash = true;
1688
1689 if (Record.readInt()) {
1690 Reader.DefinitionSource[D] = Loc.F->Kind == ModuleKind::MK_MainFile;
1691 if (Reader.getContext().getLangOpts().BuildingPCHWithObjectFile &&
1692 Reader.DeclIsFromPCHWithObjectFile(D))
1693 Reader.DefinitionSource[D] = true;
1694 }
1695
1696 Data.NumBases = Record.readInt();
1697 if (Data.NumBases)
1698 Data.Bases = ReadGlobalOffset();
1699 Data.NumVBases = Record.readInt();
1700 if (Data.NumVBases)
1701 Data.VBases = ReadGlobalOffset();
1702
1703 Record.readUnresolvedSet(Data.Conversions);
1704 Data.ComputedVisibleConversions = Record.readInt();
1705 if (Data.ComputedVisibleConversions)
1706 Record.readUnresolvedSet(Data.VisibleConversions);
1707 assert(Data.Definition && "Data.Definition should be already set!");
1708 Data.FirstFriend = readDeclID();
1709
1710 if (Data.IsLambda) {
1711 using Capture = LambdaCapture;
1712
1713 auto &Lambda = static_cast<CXXRecordDecl::LambdaDefinitionData &>(Data);
1714 Lambda.Dependent = Record.readInt();
1715 Lambda.IsGenericLambda = Record.readInt();
1716 Lambda.CaptureDefault = Record.readInt();
1717 Lambda.NumCaptures = Record.readInt();
1718 Lambda.NumExplicitCaptures = Record.readInt();
1719 Lambda.HasKnownInternalLinkage = Record.readInt();
1720 Lambda.ManglingNumber = Record.readInt();
1721 Lambda.ContextDecl = readDeclID();
1722 Lambda.Captures = (Capture *)Reader.getContext().Allocate(
1723 sizeof(Capture) * Lambda.NumCaptures);
1724 Capture *ToCapture = Lambda.Captures;
1725 Lambda.MethodTyInfo = readTypeSourceInfo();
1726 for (unsigned I = 0, N = Lambda.NumCaptures; I != N; ++I) {
1727 SourceLocation Loc = readSourceLocation();
1728 bool IsImplicit = Record.readInt();
1729 auto Kind = static_cast<LambdaCaptureKind>(Record.readInt());
1730 switch (Kind) {
1731 case LCK_StarThis:
1732 case LCK_This:
1733 case LCK_VLAType:
1734 *ToCapture++ = Capture(Loc, IsImplicit, Kind, nullptr,SourceLocation());
1735 break;
1736 case LCK_ByCopy:
1737 case LCK_ByRef:
1738 auto *Var = readDeclAs<VarDecl>();
1739 SourceLocation EllipsisLoc = readSourceLocation();
1740 *ToCapture++ = Capture(Loc, IsImplicit, Kind, Var, EllipsisLoc);
1741 break;
1742 }
1743 }
1744 }
1745 }
1746
1747 void ASTDeclReader::MergeDefinitionData(
1748 CXXRecordDecl *D, struct CXXRecordDecl::DefinitionData &&MergeDD) {
1749 assert(D->DefinitionData &&
1750 "merging class definition into non-definition");
1751 auto &DD = *D->DefinitionData;
1752
1753 if (DD.Definition != MergeDD.Definition) {
1754 // Track that we merged the definitions.
1755 Reader.MergedDeclContexts.insert(std::make_pair(MergeDD.Definition,
1756 DD.Definition));
1757 Reader.PendingDefinitions.erase(MergeDD.Definition);
1758 MergeDD.Definition->setCompleteDefinition(false);
1759 Reader.mergeDefinitionVisibility(DD.Definition, MergeDD.Definition);
1760 assert(Reader.Lookups.find(MergeDD.Definition) == Reader.Lookups.end() &&
1761 "already loaded pending lookups for merged definition");
1762 }
1763
1764 auto PFDI = Reader.PendingFakeDefinitionData.find(&DD);
1765 if (PFDI != Reader.PendingFakeDefinitionData.end() &&
1766 PFDI->second == ASTReader::PendingFakeDefinitionKind::Fake) {
1767 // We faked up this definition data because we found a class for which we'd
1768 // not yet loaded the definition. Replace it with the real thing now.
1769 assert(!DD.IsLambda && !MergeDD.IsLambda && "faked up lambda definition?");
1770 PFDI->second = ASTReader::PendingFakeDefinitionKind::FakeLoaded;
1771
1772 // Don't change which declaration is the definition; that is required
1773 // to be invariant once we select it.
1774 auto *Def = DD.Definition;
1775 DD = std::move(MergeDD);
1776 DD.Definition = Def;
1777 return;
1778 }
1779
1780 bool DetectedOdrViolation = false;
1781
1782 #define FIELD(Name, Width, Merge) Merge(Name)
1783 #define MERGE_OR(Field) DD.Field |= MergeDD.Field;
1784 #define NO_MERGE(Field) \
1785 DetectedOdrViolation |= DD.Field != MergeDD.Field; \
1786 MERGE_OR(Field)
1787 #include "clang/AST/CXXRecordDeclDefinitionBits.def"
1788 NO_MERGE(IsLambda)
1789 #undef NO_MERGE
1790 #undef MERGE_OR
1791
1792 if (DD.NumBases != MergeDD.NumBases || DD.NumVBases != MergeDD.NumVBases)
1793 DetectedOdrViolation = true;
1794 // FIXME: Issue a diagnostic if the base classes don't match when we come
1795 // to lazily load them.
1796
1797 // FIXME: Issue a diagnostic if the list of conversion functions doesn't
1798 // match when we come to lazily load them.
1799 if (MergeDD.ComputedVisibleConversions && !DD.ComputedVisibleConversions) {
1800 DD.VisibleConversions = std::move(MergeDD.VisibleConversions);
1801 DD.ComputedVisibleConversions = true;
1802 }
1803
1804 // FIXME: Issue a diagnostic if FirstFriend doesn't match when we come to
1805 // lazily load it.
1806
1807 if (DD.IsLambda) {
1808 // FIXME: ODR-checking for merging lambdas (this happens, for instance,
1809 // when they occur within the body of a function template specialization).
1810 }
1811
1812 if (D->getODRHash() != MergeDD.ODRHash) {
1813 DetectedOdrViolation = true;
1814 }
1815
1816 if (DetectedOdrViolation)
1817 Reader.PendingOdrMergeFailures[DD.Definition].push_back(
1818 {MergeDD.Definition, &MergeDD});
1819 }
1820
1821 void ASTDeclReader::ReadCXXRecordDefinition(CXXRecordDecl *D, bool Update) {
1822 struct CXXRecordDecl::DefinitionData *DD;
1823 ASTContext &C = Reader.getContext();
1824
1825 // Determine whether this is a lambda closure type, so that we can
1826 // allocate the appropriate DefinitionData structure.
1827 bool IsLambda = Record.readInt();
1828 if (IsLambda)
1829 DD = new (C) CXXRecordDecl::LambdaDefinitionData(D, nullptr, false, false,
1830 LCD_None);
1831 else
1832 DD = new (C) struct CXXRecordDecl::DefinitionData(D);
1833
1834 CXXRecordDecl *Canon = D->getCanonicalDecl();
1835 // Set decl definition data before reading it, so that during deserialization
1836 // when we read CXXRecordDecl, it already has definition data and we don't
1837 // set fake one.
1838 if (!Canon->DefinitionData)
1839 Canon->DefinitionData = DD;
1840 D->DefinitionData = Canon->DefinitionData;
1841 ReadCXXDefinitionData(*DD, D);
1842
1843 // We might already have a different definition for this record. This can
1844 // happen either because we're reading an update record, or because we've
1845 // already done some merging. Either way, just merge into it.
1846 if (Canon->DefinitionData != DD) {
1847 MergeDefinitionData(Canon, std::move(*DD));
1848 return;
1849 }
1850
1851 // Mark this declaration as being a definition.
1852 D->setCompleteDefinition(true);
1853
1854 // If this is not the first declaration or is an update record, we can have
1855 // other redeclarations already. Make a note that we need to propagate the
1856 // DefinitionData pointer onto them.
1857 if (Update || Canon != D)
1858 Reader.PendingDefinitions.insert(D);
1859 }
1860
1861 ASTDeclReader::RedeclarableResult
1862 ASTDeclReader::VisitCXXRecordDeclImpl(CXXRecordDecl *D) {
1863 RedeclarableResult Redecl = VisitRecordDeclImpl(D);
1864
1865 ASTContext &C = Reader.getContext();
1866
1867 enum CXXRecKind {
1868 CXXRecNotTemplate = 0, CXXRecTemplate, CXXRecMemberSpecialization
1869 };
1870 switch ((CXXRecKind)Record.readInt()) {
1871 case CXXRecNotTemplate:
1872 // Merged when we merge the folding set entry in the primary template.
1873 if (!isa<ClassTemplateSpecializationDecl>(D))
1874 mergeRedeclarable(D, Redecl);
1875 break;
1876 case CXXRecTemplate: {
1877 // Merged when we merge the template.
1878 auto *Template = readDeclAs<ClassTemplateDecl>();
1879 D->TemplateOrInstantiation = Template;
1880 if (!Template->getTemplatedDecl()) {
1881 // We've not actually loaded the ClassTemplateDecl yet, because we're
1882 // currently being loaded as its pattern. Rely on it to set up our
1883 // TypeForDecl (see VisitClassTemplateDecl).
1884 //
1885 // Beware: we do not yet know our canonical declaration, and may still
1886 // get merged once the surrounding class template has got off the ground.
1887 DeferredTypeID = 0;
1888 }
1889 break;
1890 }
1891 case CXXRecMemberSpecialization: {
1892 auto *RD = readDeclAs<CXXRecordDecl>();
1893 auto TSK = (TemplateSpecializationKind)Record.readInt();
1894 SourceLocation POI = readSourceLocation();
1895 MemberSpecializationInfo *MSI = new (C) MemberSpecializationInfo(RD, TSK);
1896 MSI->setPointOfInstantiation(POI);
1897 D->TemplateOrInstantiation = MSI;
1898 mergeRedeclarable(D, Redecl);
1899 break;
1900 }
1901 }
1902
1903 bool WasDefinition = Record.readInt();
1904 if (WasDefinition)
1905 ReadCXXRecordDefinition(D, /*Update*/false);
1906 else
1907 // Propagate DefinitionData pointer from the canonical declaration.
1908 D->DefinitionData = D->getCanonicalDecl()->DefinitionData;
1909
1910 // Lazily load the key function to avoid deserializing every method so we can
1911 // compute it.
1912 if (WasDefinition) {
1913 DeclID KeyFn = readDeclID();
1914 if (KeyFn && D->isCompleteDefinition())
1915 // FIXME: This is wrong for the ARM ABI, where some other module may have
1916 // made this function no longer be a key function. We need an update
1917 // record or similar for that case.
1918 C.KeyFunctions[D] = KeyFn;
1919 }
1920
1921 return Redecl;
1922 }
1923
1924 void ASTDeclReader::VisitCXXDeductionGuideDecl(CXXDeductionGuideDecl *D) {
1925 D->setExplicitSpecifier(Record.readExplicitSpec());
1926 VisitFunctionDecl(D);
1927 D->setIsCopyDeductionCandidate(Record.readInt());
1928 }
1929
1930 void ASTDeclReader::VisitCXXMethodDecl(CXXMethodDecl *D) {
1931 VisitFunctionDecl(D);
1932
1933 unsigned NumOverridenMethods = Record.readInt();
1934 if (D->isCanonicalDecl()) {
1935 while (NumOverridenMethods--) {
1936 // Avoid invariant checking of CXXMethodDecl::addOverriddenMethod,
1937 // MD may be initializing.
1938 if (auto *MD = readDeclAs<CXXMethodDecl>())
1939 Reader.getContext().addOverriddenMethod(D, MD->getCanonicalDecl());
1940 }
1941 } else {
1942 // We don't care about which declarations this used to override; we get
1943 // the relevant information from the canonical declaration.
1944 Record.skipInts(NumOverridenMethods);
1945 }
1946 }
1947
1948 void ASTDeclReader::VisitCXXConstructorDecl(CXXConstructorDecl *D) {
1949 // We need the inherited constructor information to merge the declaration,
1950 // so we have to read it before we call VisitCXXMethodDecl.
1951 D->setExplicitSpecifier(Record.readExplicitSpec());
1952 if (D->isInheritingConstructor()) {
1953 auto *Shadow = readDeclAs<ConstructorUsingShadowDecl>();
1954 auto *Ctor = readDeclAs<CXXConstructorDecl>();
1955 *D->getTrailingObjects<InheritedConstructor>() =
1956 InheritedConstructor(Shadow, Ctor);
1957 }
1958
1959 VisitCXXMethodDecl(D);
1960 }
1961
1962 void ASTDeclReader::VisitCXXDestructorDecl(CXXDestructorDecl *D) {
1963 VisitCXXMethodDecl(D);
1964
1965 if (auto *OperatorDelete = readDeclAs<FunctionDecl>()) {
1966 CXXDestructorDecl *Canon = D->getCanonicalDecl();
1967 auto *ThisArg = Record.readExpr();
1968 // FIXME: Check consistency if we have an old and new operator delete.
1969 if (!Canon->OperatorDelete) {
1970 Canon->OperatorDelete = OperatorDelete;
1971 Canon->OperatorDeleteThisArg = ThisArg;
1972 }
1973 }
1974 }
1975
1976 void ASTDeclReader::VisitCXXConversionDecl(CXXConversionDecl *D) {
1977 D->setExplicitSpecifier(Record.readExplicitSpec());
1978 VisitCXXMethodDecl(D);
1979 }
1980
1981 void ASTDeclReader::VisitImportDecl(ImportDecl *D) {
1982 VisitDecl(D);
1983 D->ImportedAndComplete.setPointer(readModule());
1984 D->ImportedAndComplete.setInt(Record.readInt());
1985 auto *StoredLocs = D->getTrailingObjects<SourceLocation>();
1986 for (unsigned I = 0, N = Record.back(); I != N; ++I)
1987 StoredLocs[I] = readSourceLocation();
1988 Record.skipInts(1); // The number of stored source locations.
1989 }
1990
1991 void ASTDeclReader::VisitAccessSpecDecl(AccessSpecDecl *D) {
1992 VisitDecl(D);
1993 D->setColonLoc(readSourceLocation());
1994 }
1995
1996 void ASTDeclReader::VisitFriendDecl(FriendDecl *D) {
1997 VisitDecl(D);
1998 if (Record.readInt()) // hasFriendDecl
1999 D->Friend = readDeclAs<NamedDecl>();
2000 else
2001 D->Friend = readTypeSourceInfo();
2002 for (unsigned i = 0; i != D->NumTPLists; ++i)
2003 D->getTrailingObjects<TemplateParameterList *>()[i] =
2004 Record.readTemplateParameterList();
2005 D->NextFriend = readDeclID();
2006 D->UnsupportedFriend = (Record.readInt() != 0);
2007 D->FriendLoc = readSourceLocation();
2008 }
2009
2010 void ASTDeclReader::VisitFriendTemplateDecl(FriendTemplateDecl *D) {
2011 VisitDecl(D);
2012 unsigned NumParams = Record.readInt();
2013 D->NumParams = NumParams;
2014 D->Params = new TemplateParameterList*[NumParams];
2015 for (unsigned i = 0; i != NumParams; ++i)
2016 D->Params[i] = Record.readTemplateParameterList();
2017 if (Record.readInt()) // HasFriendDecl
2018 D->Friend = readDeclAs<NamedDecl>();
2019 else
2020 D->Friend = readTypeSourceInfo();
2021 D->FriendLoc = readSourceLocation();
2022 }
2023
2024 DeclID ASTDeclReader::VisitTemplateDecl(TemplateDecl *D) {
2025 VisitNamedDecl(D);
2026
2027 DeclID PatternID = readDeclID();
2028 auto *TemplatedDecl = cast_or_null<NamedDecl>(Reader.GetDecl(PatternID));
2029 TemplateParameterList *TemplateParams = Record.readTemplateParameterList();
2030 D->init(TemplatedDecl, TemplateParams);
2031
2032 return PatternID;
2033 }
2034
2035 void ASTDeclReader::VisitConceptDecl(ConceptDecl *D) {
2036 VisitTemplateDecl(D);
2037 D->ConstraintExpr = Record.readExpr();
2038 mergeMergeable(D);
2039 }
2040
2041 void ASTDeclReader::VisitRequiresExprBodyDecl(RequiresExprBodyDecl *D) {
2042 }
2043
2044 ASTDeclReader::RedeclarableResult
2045 ASTDeclReader::VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D) {
2046 RedeclarableResult Redecl = VisitRedeclarable(D);
2047
2048 // Make sure we've allocated the Common pointer first. We do this before
2049 // VisitTemplateDecl so that getCommonPtr() can be used during initialization.
2050 RedeclarableTemplateDecl *CanonD = D->getCanonicalDecl();
2051 if (!CanonD->Common) {
2052 CanonD->Common = CanonD->newCommon(Reader.getContext());
2053 Reader.PendingDefinitions.insert(CanonD);
2054 }
2055 D->Common = CanonD->Common;
2056
2057 // If this is the first declaration of the template, fill in the information
2058 // for the 'common' pointer.
2059 if (ThisDeclID == Redecl.getFirstID()) {
2060 if (auto *RTD = readDeclAs<RedeclarableTemplateDecl>()) {
2061 assert(RTD->getKind() == D->getKind() &&
2062 "InstantiatedFromMemberTemplate kind mismatch");
2063 D->setInstantiatedFromMemberTemplate(RTD);
2064 if (Record.readInt())
2065 D->setMemberSpecialization();
2066 }
2067 }
2068
2069 DeclID PatternID = VisitTemplateDecl(D);
2070 D->IdentifierNamespace = Record.readInt();
2071
2072 mergeRedeclarable(D, Redecl, PatternID);
2073
2074 // If we merged the template with a prior declaration chain, merge the common
2075 // pointer.
2076 // FIXME: Actually merge here, don't just overwrite.
2077 D->Common = D->getCanonicalDecl()->Common;
2078
2079 return Redecl;
2080 }
2081
2082 void ASTDeclReader::VisitClassTemplateDecl(ClassTemplateDecl *D) {
2083 RedeclarableResult Redecl = VisitRedeclarableTemplateDecl(D);
2084
2085 if (ThisDeclID == Redecl.getFirstID()) {
2086 // This ClassTemplateDecl owns a CommonPtr; read it to keep track of all of
2087 // the specializations.
2088 SmallVector<serialization::DeclID, 32> SpecIDs;
2089 readDeclIDList(SpecIDs);
2090 ASTDeclReader::AddLazySpecializations(D, SpecIDs);
2091 }
2092
2093 if (D->getTemplatedDecl()->TemplateOrInstantiation) {
2094 // We were loaded before our templated declaration was. We've not set up
2095 // its corresponding type yet (see VisitCXXRecordDeclImpl), so reconstruct
2096 // it now.
2097 Reader.getContext().getInjectedClassNameType(
2098 D->getTemplatedDecl(), D->getInjectedClassNameSpecialization());
2099 }
2100 }
2101
2102 void ASTDeclReader::VisitBuiltinTemplateDecl(BuiltinTemplateDecl *D) {
2103 llvm_unreachable("BuiltinTemplates are not serialized");
2104 }
2105
2106 /// TODO: Unify with ClassTemplateDecl version?
2107 /// May require unifying ClassTemplateDecl and
2108 /// VarTemplateDecl beyond TemplateDecl...
2109 void ASTDeclReader::VisitVarTemplateDecl(VarTemplateDecl *D) {
2110 RedeclarableResult Redecl = VisitRedeclarableTemplateDecl(D);
2111
2112 if (ThisDeclID == Redecl.getFirstID()) {
2113 // This VarTemplateDecl owns a CommonPtr; read it to keep track of all of
2114 // the specializations.
2115 SmallVector<serialization::DeclID, 32> SpecIDs;
2116 readDeclIDList(SpecIDs);
2117 ASTDeclReader::AddLazySpecializations(D, SpecIDs);
2118 }
2119 }
2120
2121 ASTDeclReader::RedeclarableResult
2122 ASTDeclReader::VisitClassTemplateSpecializationDeclImpl(
2123 ClassTemplateSpecializationDecl *D) {
2124 RedeclarableResult Redecl = VisitCXXRecordDeclImpl(D);
2125
2126 ASTContext &C = Reader.getContext();
2127 if (Decl *InstD = readDecl()) {
2128 if (auto *CTD = dyn_cast<ClassTemplateDecl>(InstD)) {
2129 D->SpecializedTemplate = CTD;
2130 } else {
2131 SmallVector<TemplateArgument, 8> TemplArgs;
2132 Record.readTemplateArgumentList(TemplArgs);
2133 TemplateArgumentList *ArgList
2134 = TemplateArgumentList::CreateCopy(C, TemplArgs);
2135 auto *PS =
2136 new (C) ClassTemplateSpecializationDecl::
2137 SpecializedPartialSpecialization();
2138 PS->PartialSpecialization
2139 = cast<ClassTemplatePartialSpecializationDecl>(InstD);
2140 PS->TemplateArgs = ArgList;
2141 D->SpecializedTemplate = PS;
2142 }
2143 }
2144
2145 SmallVector<TemplateArgument, 8> TemplArgs;
2146 Record.readTemplateArgumentList(TemplArgs, /*Canonicalize*/ true);
2147 D->TemplateArgs = TemplateArgumentList::CreateCopy(C, TemplArgs);
2148 D->PointOfInstantiation = readSourceLocation();
2149 D->SpecializationKind = (TemplateSpecializationKind)Record.readInt();
2150
2151 bool writtenAsCanonicalDecl = Record.readInt();
2152 if (writtenAsCanonicalDecl) {
2153 auto *CanonPattern = readDeclAs<ClassTemplateDecl>();
2154 if (D->isCanonicalDecl()) { // It's kept in the folding set.
2155 // Set this as, or find, the canonical declaration for this specialization
2156 ClassTemplateSpecializationDecl *CanonSpec;
2157 if (auto *Partial = dyn_cast<ClassTemplatePartialSpecializationDecl>(D)) {
2158 CanonSpec = CanonPattern->getCommonPtr()->PartialSpecializations
2159 .GetOrInsertNode(Partial);
2160 } else {
2161 CanonSpec =
2162 CanonPattern->getCommonPtr()->Specializations.GetOrInsertNode(D);
2163 }
2164 // If there was already a canonical specialization, merge into it.
2165 if (CanonSpec != D) {
2166 mergeRedeclarable<TagDecl>(D, CanonSpec, Redecl);
2167
2168 // This declaration might be a definition. Merge with any existing
2169 // definition.
2170 if (auto *DDD = D->DefinitionData) {
2171 if (CanonSpec->DefinitionData)
2172 MergeDefinitionData(CanonSpec, std::move(*DDD));
2173 else
2174 CanonSpec->DefinitionData = D->DefinitionData;
2175 }
2176 D->DefinitionData = CanonSpec->DefinitionData;
2177 }
2178 }
2179 }
2180
2181 // Explicit info.
2182 if (TypeSourceInfo *TyInfo = readTypeSourceInfo()) {
2183 auto *ExplicitInfo =
2184 new (C) ClassTemplateSpecializationDecl::ExplicitSpecializationInfo;
2185 ExplicitInfo->TypeAsWritten = TyInfo;
2186 ExplicitInfo->ExternLoc = readSourceLocation();
2187 ExplicitInfo->TemplateKeywordLoc = readSourceLocation();
2188 D->ExplicitInfo = ExplicitInfo;
2189 }
2190
2191 return Redecl;
2192 }
2193
2194 void ASTDeclReader::VisitClassTemplatePartialSpecializationDecl(
2195 ClassTemplatePartialSpecializationDecl *D) {
2196 // We need to read the template params first because redeclarable is going to
2197 // need them for profiling
2198 TemplateParameterList *Params = Record.readTemplateParameterList();
2199 D->TemplateParams = Params;
2200 D->ArgsAsWritten = Record.readASTTemplateArgumentListInfo();
2201
2202 RedeclarableResult Redecl = VisitClassTemplateSpecializationDeclImpl(D);
2203
2204 // These are read/set from/to the first declaration.
2205 if (ThisDeclID == Redecl.getFirstID()) {
2206 D->InstantiatedFromMember.setPointer(
2207 readDeclAs<ClassTemplatePartialSpecializationDecl>());
2208 D->InstantiatedFromMember.setInt(Record.readInt());
2209 }
2210 }
2211
2212 void ASTDeclReader::VisitClassScopeFunctionSpecializationDecl(
2213 ClassScopeFunctionSpecializationDecl *D) {
2214 VisitDecl(D);
2215 D->Specialization = readDeclAs<CXXMethodDecl>();
2216 if (Record.readInt())
2217 D->TemplateArgs = Record.readASTTemplateArgumentListInfo();
2218 }
2219
2220 void ASTDeclReader::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
2221 RedeclarableResult Redecl = VisitRedeclarableTemplateDecl(D);
2222
2223 if (ThisDeclID == Redecl.getFirstID()) {
2224 // This FunctionTemplateDecl owns a CommonPtr; read it.
2225 SmallVector<serialization::DeclID, 32> SpecIDs;
2226 readDeclIDList(SpecIDs);
2227 ASTDeclReader::AddLazySpecializations(D, SpecIDs);
2228 }
2229 }
2230
2231 /// TODO: Unify with ClassTemplateSpecializationDecl version?
2232 /// May require unifying ClassTemplate(Partial)SpecializationDecl and
2233 /// VarTemplate(Partial)SpecializationDecl with a new data
2234 /// structure Template(Partial)SpecializationDecl, and
2235 /// using Template(Partial)SpecializationDecl as input type.
2236 ASTDeclReader::RedeclarableResult
2237 ASTDeclReader::VisitVarTemplateSpecializationDeclImpl(
2238 VarTemplateSpecializationDecl *D) {
2239 RedeclarableResult Redecl = VisitVarDeclImpl(D);
2240
2241 ASTContext &C = Reader.getContext();
2242 if (Decl *InstD = readDecl()) {
2243 if (auto *VTD = dyn_cast<VarTemplateDecl>(InstD)) {
2244 D->SpecializedTemplate = VTD;
2245 } else {
2246 SmallVector<TemplateArgument, 8> TemplArgs;
2247 Record.readTemplateArgumentList(TemplArgs);
2248 TemplateArgumentList *ArgList = TemplateArgumentList::CreateCopy(
2249 C, TemplArgs);
2250 auto *PS =
2251 new (C)
2252 VarTemplateSpecializationDecl::SpecializedPartialSpecialization();
2253 PS->PartialSpecialization =
2254 cast<VarTemplatePartialSpecializationDecl>(InstD);
2255 PS->TemplateArgs = ArgList;
2256 D->SpecializedTemplate = PS;
2257 }
2258 }
2259
2260 // Explicit info.
2261 if (TypeSourceInfo *TyInfo = readTypeSourceInfo()) {
2262 auto *ExplicitInfo =
2263 new (C) VarTemplateSpecializationDecl::ExplicitSpecializationInfo;
2264 ExplicitInfo->TypeAsWritten = TyInfo;
2265 ExplicitInfo->ExternLoc = readSourceLocation();
2266 ExplicitInfo->TemplateKeywordLoc = readSourceLocation();
2267 D->ExplicitInfo = ExplicitInfo;
2268 }
2269
2270 SmallVector<TemplateArgument, 8> TemplArgs;
2271 Record.readTemplateArgumentList(TemplArgs, /*Canonicalize*/ true);
2272 D->TemplateArgs = TemplateArgumentList::CreateCopy(C, TemplArgs);
2273 D->PointOfInstantiation = readSourceLocation();
2274 D->SpecializationKind = (TemplateSpecializationKind)Record.readInt();
2275 D->IsCompleteDefinition = Record.readInt();
2276
2277 bool writtenAsCanonicalDecl = Record.readInt();
2278 if (writtenAsCanonicalDecl) {
2279 auto *CanonPattern = readDeclAs<VarTemplateDecl>();
2280 if (D->isCanonicalDecl()) { // It's kept in the folding set.
2281 // FIXME: If it's already present, merge it.
2282 if (auto *Partial = dyn_cast<VarTemplatePartialSpecializationDecl>(D)) {
2283 CanonPattern->getCommonPtr()->PartialSpecializations
2284 .GetOrInsertNode(Partial);
2285 } else {
2286 CanonPattern->getCommonPtr()->Specializations.GetOrInsertNode(D);
2287 }
2288 }
2289 }
2290
2291 return Redecl;
2292 }
2293
2294 /// TODO: Unify with ClassTemplatePartialSpecializationDecl version?
2295 /// May require unifying ClassTemplate(Partial)SpecializationDecl and
2296 /// VarTemplate(Partial)SpecializationDecl with a new data
2297 /// structure Template(Partial)SpecializationDecl, and
2298 /// using Template(Partial)SpecializationDecl as input type.
2299 void ASTDeclReader::VisitVarTemplatePartialSpecializationDecl(
2300 VarTemplatePartialSpecializationDecl *D) {
2301 TemplateParameterList *Params = Record.readTemplateParameterList();
2302 D->TemplateParams = Params;
2303 D->ArgsAsWritten = Record.readASTTemplateArgumentListInfo();
2304
2305 RedeclarableResult Redecl = VisitVarTemplateSpecializationDeclImpl(D);
2306
2307 // These are read/set from/to the first declaration.
2308 if (ThisDeclID == Redecl.getFirstID()) {
2309 D->InstantiatedFromMember.setPointer(
2310 readDeclAs<VarTemplatePartialSpecializationDecl>());
2311 D->InstantiatedFromMember.setInt(Record.readInt());
2312 }
2313 }
2314
2315 void ASTDeclReader::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
2316 VisitTypeDecl(D);
2317
2318 D->setDeclaredWithTypename(Record.readInt());
2319
2320 if (Record.readBool()) {
2321 NestedNameSpecifierLoc NNS = Record.readNestedNameSpecifierLoc();
2322 DeclarationNameInfo DN = Record.readDeclarationNameInfo();
2323 ConceptDecl *NamedConcept = Record.readDeclAs<ConceptDecl>();
2324 const ASTTemplateArgumentListInfo *ArgsAsWritten = nullptr;
2325 if (Record.readBool())
2326 ArgsAsWritten = Record.readASTTemplateArgumentListInfo();
2327 Expr *ImmediatelyDeclaredConstraint = Record.readExpr();
2328 D->setTypeConstraint(NNS, DN, /*FoundDecl=*/nullptr, NamedConcept,
2329 ArgsAsWritten, ImmediatelyDeclaredConstraint);
2330 if ((D->ExpandedParameterPack = Record.readInt()))
2331 D->NumExpanded = Record.readInt();
2332 }
2333
2334 if (Record.readInt())
2335 D->setDefaultArgument(readTypeSourceInfo());
2336 }
2337
2338 void ASTDeclReader::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
2339 VisitDeclaratorDecl(D);
2340 // TemplateParmPosition.
2341 D->setDepth(Record.readInt());
2342 D->setPosition(Record.readInt());
2343 if (D->hasPlaceholderTypeConstraint())
2344 D->setPlaceholderTypeConstraint(Record.readExpr());
2345 if (D->isExpandedParameterPack()) {
2346 auto TypesAndInfos =
2347 D->getTrailingObjects<std::pair<QualType, TypeSourceInfo *>>();
2348 for (unsigned I = 0, N = D->getNumExpansionTypes(); I != N; ++I) {
2349 new (&TypesAndInfos[I].first) QualType(Record.readType());
2350 TypesAndInfos[I].second = readTypeSourceInfo();
2351 }
2352 } else {
2353 // Rest of NonTypeTemplateParmDecl.
2354 D->ParameterPack = Record.readInt();
2355 if (Record.readInt())
2356 D->setDefaultArgument(Record.readExpr());
2357 }
2358 }
2359
2360 void ASTDeclReader::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
2361 VisitTemplateDecl(D);
2362 // TemplateParmPosition.
2363 D->setDepth(Record.readInt());
2364 D->setPosition(Record.readInt());
2365 if (D->isExpandedParameterPack()) {
2366 auto **Data = D->getTrailingObjects<TemplateParameterList *>();
2367 for (unsigned I = 0, N = D->getNumExpansionTemplateParameters();
2368 I != N; ++I)
2369 Data[I] = Record.readTemplateParameterList();
2370 } else {
2371 // Rest of TemplateTemplateParmDecl.
2372 D->ParameterPack = Record.readInt();
2373 if (Record.readInt())
2374 D->setDefaultArgument(Reader.getContext(),
2375 Record.readTemplateArgumentLoc());
2376 }
2377 }
2378
2379 void ASTDeclReader::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) {
2380 VisitRedeclarableTemplateDecl(D);
2381 }
2382
2383 void ASTDeclReader::VisitStaticAssertDecl(StaticAssertDecl *D) {
2384 VisitDecl(D);
2385 D->AssertExprAndFailed.setPointer(Record.readExpr());
2386 D->AssertExprAndFailed.setInt(Record.readInt());
2387 D->Message = cast_or_null<StringLiteral>(Record.readExpr());
2388 D->RParenLoc = readSourceLocation();
2389 }
2390
2391 void ASTDeclReader::VisitEmptyDecl(EmptyDecl *D) {
2392 VisitDecl(D);
2393 }
2394
2395 void ASTDeclReader::VisitLifetimeExtendedTemporaryDecl(
2396 LifetimeExtendedTemporaryDecl *D) {
2397 VisitDecl(D);
2398 D->ExtendingDecl = readDeclAs<ValueDecl>();
2399 D->ExprWithTemporary = Record.readStmt();
2400 if (Record.readInt())
2401 D->Value = new (D->getASTContext()) APValue(Record.readAPValue());
2402 D->ManglingNumber = Record.readInt();
2403 mergeMergeable(D);
2404 }
2405
2406 std::pair<uint64_t, uint64_t>
2407 ASTDeclReader::VisitDeclContext(DeclContext *DC) {
2408 uint64_t LexicalOffset = ReadLocalOffset();
2409 uint64_t VisibleOffset = ReadLocalOffset();
2410 return std::make_pair(LexicalOffset, VisibleOffset);
2411 }
2412
2413 template <typename T>
2414 ASTDeclReader::RedeclarableResult
2415 ASTDeclReader::VisitRedeclarable(Redeclarable<T> *D) {
2416 DeclID FirstDeclID = readDeclID();
2417 Decl *MergeWith = nullptr;
2418
2419 bool IsKeyDecl = ThisDeclID == FirstDeclID;
2420 bool IsFirstLocalDecl = false;
2421
2422 uint64_t RedeclOffset = 0;
2423
2424 // 0 indicates that this declaration was the only declaration of its entity,
2425 // and is used for space optimization.
2426 if (FirstDeclID == 0) {
2427 FirstDeclID = ThisDeclID;
2428 IsKeyDecl = true;
2429 IsFirstLocalDecl = true;
2430 } else if (unsigned N = Record.readInt()) {
2431 // This declaration was the first local declaration, but may have imported
2432 // other declarations.
2433 IsKeyDecl = N == 1;
2434 IsFirstLocalDecl = true;
2435
2436 // We have some declarations that must be before us in our redeclaration
2437 // chain. Read them now, and remember that we ought to merge with one of
2438 // them.
2439 // FIXME: Provide a known merge target to the second and subsequent such
2440 // declaration.
2441 for (unsigned I = 0; I != N - 1; ++I)
2442 MergeWith = readDecl();
2443
2444 RedeclOffset = ReadLocalOffset();
2445 } else {
2446 // This declaration was not the first local declaration. Read the first
2447 // local declaration now, to trigger the import of other redeclarations.
2448 (void)readDecl();
2449 }
2450
2451 auto *FirstDecl = cast_or_null<T>(Reader.GetDecl(FirstDeclID));
2452 if (FirstDecl != D) {
2453 // We delay loading of the redeclaration chain to avoid deeply nested calls.
2454 // We temporarily set the first (canonical) declaration as the previous one
2455 // which is the one that matters and mark the real previous DeclID to be
2456 // loaded & attached later on.
2457 D->RedeclLink = Redeclarable<T>::PreviousDeclLink(FirstDecl);
2458 D->First = FirstDecl->getCanonicalDecl();
2459 }
2460
2461 auto *DAsT = static_cast<T *>(D);
2462
2463 // Note that we need to load local redeclarations of this decl and build a
2464 // decl chain for them. This must happen *after* we perform the preloading
2465 // above; this ensures that the redeclaration chain is built in the correct
2466 // order.
2467 if (IsFirstLocalDecl)
2468 Reader.PendingDeclChains.push_back(std::make_pair(DAsT, RedeclOffset));
2469
2470 return RedeclarableResult(MergeWith, FirstDeclID, IsKeyDecl);
2471 }
2472
2473 /// Attempts to merge the given declaration (D) with another declaration
2474 /// of the same entity.
2475 template<typename T>
2476 void ASTDeclReader::mergeRedeclarable(Redeclarable<T> *DBase,
2477 RedeclarableResult &Redecl,
2478 DeclID TemplatePatternID) {
2479 // If modules are not available, there is no reason to perform this merge.
2480 if (!Reader.getContext().getLangOpts().Modules)
2481 return;
2482
2483 // If we're not the canonical declaration, we don't need to merge.
2484 if (!DBase->isFirstDecl())
2485 return;
2486
2487 auto *D = static_cast<T *>(DBase);
2488
2489 if (auto *Existing = Redecl.getKnownMergeTarget())
2490 // We already know of an existing declaration we should merge with.
2491 mergeRedeclarable(D, cast<T>(Existing), Redecl, TemplatePatternID);
2492 else if (FindExistingResult ExistingRes = findExisting(D))
2493 if (T *Existing = ExistingRes)
2494 mergeRedeclarable(D, Existing, Redecl, TemplatePatternID);
2495 }
2496
2497 /// "Cast" to type T, asserting if we don't have an implicit conversion.
2498 /// We use this to put code in a template that will only be valid for certain
2499 /// instantiations.
2500 template<typename T> static T assert_cast(T t) { return t; }
2501 template<typename T> static T assert_cast(...) {
2502 llvm_unreachable("bad assert_cast");
2503 }
2504
2505 /// Merge together the pattern declarations from two template
2506 /// declarations.
2507 void ASTDeclReader::mergeTemplatePattern(RedeclarableTemplateDecl *D,
2508 RedeclarableTemplateDecl *Existing,
2509 DeclID DsID, bool IsKeyDecl) {
2510 auto *DPattern = D->getTemplatedDecl();
2511 auto *ExistingPattern = Existing->getTemplatedDecl();
2512 RedeclarableResult Result(/*MergeWith*/ ExistingPattern,
2513 DPattern->getCanonicalDecl()->getGlobalID(),
2514 IsKeyDecl);
2515
2516 if (auto *DClass = dyn_cast<CXXRecordDecl>(DPattern)) {
2517 // Merge with any existing definition.
2518 // FIXME: This is duplicated in several places. Refactor.
2519 auto *ExistingClass =
2520 cast<CXXRecordDecl>(ExistingPattern)->getCanonicalDecl();
2521 if (auto *DDD = DClass->DefinitionData) {
2522 if (ExistingClass->DefinitionData) {
2523 MergeDefinitionData(ExistingClass, std::move(*DDD));
2524 } else {
2525 ExistingClass->DefinitionData = DClass->DefinitionData;
2526 // We may have skipped this before because we thought that DClass
2527 // was the canonical declaration.
2528 Reader.PendingDefinitions.insert(DClass);
2529 }
2530 }
2531 DClass->DefinitionData = ExistingClass->DefinitionData;
2532
2533 return mergeRedeclarable(DClass, cast<TagDecl>(ExistingPattern),
2534 Result);
2535 }
2536 if (auto *DFunction = dyn_cast<FunctionDecl>(DPattern))
2537 return mergeRedeclarable(DFunction, cast<FunctionDecl>(ExistingPattern),
2538 Result);
2539 if (auto *DVar = dyn_cast<VarDecl>(DPattern))
2540 return mergeRedeclarable(DVar, cast<VarDecl>(ExistingPattern), Result);
2541 if (auto *DAlias = dyn_cast<TypeAliasDecl>(DPattern))
2542 return mergeRedeclarable(DAlias, cast<TypedefNameDecl>(ExistingPattern),
2543 Result);
2544 llvm_unreachable("merged an unknown kind of redeclarable template");
2545 }
2546
2547 /// Attempts to merge the given declaration (D) with another declaration
2548 /// of the same entity.
2549 template<typename T>
2550 void ASTDeclReader::mergeRedeclarable(Redeclarable<T> *DBase, T *Existing,
2551 RedeclarableResult &Redecl,
2552 DeclID TemplatePatternID) {
2553 auto *D = static_cast<T *>(DBase);
2554 T *ExistingCanon = Existing->getCanonicalDecl();
2555 T *DCanon = D->getCanonicalDecl();
2556 if (ExistingCanon != DCanon) {
2557 assert(DCanon->getGlobalID() == Redecl.getFirstID() &&
2558 "already merged this declaration");
2559
2560 // Have our redeclaration link point back at the canonical declaration
2561 // of the existing declaration, so that this declaration has the
2562 // appropriate canonical declaration.
2563 D->RedeclLink = Redeclarable<T>::PreviousDeclLink(ExistingCanon);
2564 D->First = ExistingCanon;
2565 ExistingCanon->Used |= D->Used;
2566 D->Used = false;
2567
2568 // When we merge a namespace, update its pointer to the first namespace.
2569 // We cannot have loaded any redeclarations of this declaration yet, so
2570 // there's nothing else that needs to be updated.
2571 if (auto *Namespace = dyn_cast<NamespaceDecl>(D))
2572 Namespace->AnonOrFirstNamespaceAndInline.setPointer(
2573 assert_cast<NamespaceDecl*>(ExistingCanon));
2574
2575 // When we merge a template, merge its pattern.
2576 if (auto *DTemplate = dyn_cast<RedeclarableTemplateDecl>(D))
2577 mergeTemplatePattern(
2578 DTemplate, assert_cast<RedeclarableTemplateDecl*>(ExistingCanon),
2579 TemplatePatternID, Redecl.isKeyDecl());
2580
2581 // If this declaration is a key declaration, make a note of that.
2582 if (Redecl.isKeyDecl())
2583 Reader.KeyDecls[ExistingCanon].push_back(Redecl.getFirstID());
2584 }
2585 }
2586
2587 /// ODR-like semantics for C/ObjC allow us to merge tag types and a structural
2588 /// check in Sema guarantees the types can be merged (see C11 6.2.7/1 or C89
2589 /// 6.1.2.6/1). Although most merging is done in Sema, we need to guarantee
2590 /// that some types are mergeable during deserialization, otherwise name
2591 /// lookup fails. This is the case for EnumConstantDecl.
2592 static bool allowODRLikeMergeInC(NamedDecl *ND) {
2593 if (!ND)
2594 return false;
2595 // TODO: implement merge for other necessary decls.
2596 if (isa<EnumConstantDecl>(ND))
2597 return true;
2598 return false;
2599 }
2600
2601 /// Attempts to merge LifetimeExtendedTemporaryDecl with
2602 /// identical class definitions from two different modules.
2603 void ASTDeclReader::mergeMergeable(LifetimeExtendedTemporaryDecl *D) {
2604 // If modules are not available, there is no reason to perform this merge.
2605 if (!Reader.getContext().getLangOpts().Modules)
2606 return;
2607
2608 LifetimeExtendedTemporaryDecl *LETDecl = D;
2609
2610 LifetimeExtendedTemporaryDecl *&LookupResult =
2611 Reader.LETemporaryForMerging[std::make_pair(
2612 LETDecl->getExtendingDecl(), LETDecl->getManglingNumber())];
2613 if (LookupResult)
2614 Reader.getContext().setPrimaryMergedDecl(LETDecl,
2615 LookupResult->getCanonicalDecl());
2616 else
2617 LookupResult = LETDecl;
2618 }
2619
2620 /// Attempts to merge the given declaration (D) with another declaration
2621 /// of the same entity, for the case where the entity is not actually
2622 /// redeclarable. This happens, for instance, when merging the fields of
2623 /// identical class definitions from two different modules.
2624 template<typename T>
2625 void ASTDeclReader::mergeMergeable(Mergeable<T> *D) {
2626 // If modules are not available, there is no reason to perform this merge.
2627 if (!Reader.getContext().getLangOpts().Modules)
2628 return;
2629
2630 // ODR-based merging is performed in C++ and in some cases (tag types) in C.
2631 // Note that C identically-named things in different translation units are
2632 // not redeclarations, but may still have compatible types, where ODR-like
2633 // semantics may apply.
2634 if (!Reader.getContext().getLangOpts().CPlusPlus &&
2635 !allowODRLikeMergeInC(dyn_cast<NamedDecl>(static_cast<T*>(D))))
2636 return;
2637
2638 if (FindExistingResult ExistingRes = findExisting(static_cast<T*>(D)))
2639 if (T *Existing = ExistingRes)
2640 Reader.getContext().setPrimaryMergedDecl(static_cast<T *>(D),
2641 Existing->getCanonicalDecl());
2642 }
2643
2644 void ASTDeclReader::VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D) {
2645 VisitDecl(D);
2646 unsigned NumVars = D->varlist_size();
2647 SmallVector<Expr *, 16> Vars;
2648 Vars.reserve(NumVars);
2649 for (unsigned i = 0; i != NumVars; ++i) {
2650 Vars.push_back(Record.readExpr());
2651 }
2652 D->setVars(Vars);
2653 }
2654
2655 void ASTDeclReader::VisitOMPAllocateDecl(OMPAllocateDecl *D) {
2656 VisitDecl(D);
2657 unsigned NumVars = D->varlist_size();
2658 unsigned NumClauses = D->clauselist_size();
2659 SmallVector<Expr *, 16> Vars;
2660 Vars.reserve(NumVars);
2661 for (unsigned i = 0; i != NumVars; ++i) {
2662 Vars.push_back(Record.readExpr());
2663 }
2664 D->setVars(Vars);
2665 SmallVector<OMPClause *, 8> Clauses;
2666 Clauses.reserve(NumClauses);
2667 for (unsigned I = 0; I != NumClauses; ++I)
2668 Clauses.push_back(Record.readOMPClause());
2669 D->setClauses(Clauses);
2670 }
2671
2672 void ASTDeclReader::VisitOMPRequiresDecl(OMPRequiresDecl * D) {
2673 VisitDecl(D);
2674 unsigned NumClauses = D->clauselist_size();
2675 SmallVector<OMPClause *, 8> Clauses;
2676 Clauses.reserve(NumClauses);
2677 for (unsigned I = 0; I != NumClauses; ++I)
2678 Clauses.push_back(Record.readOMPClause());
2679 D->setClauses(Clauses);
2680 }
2681
2682 void ASTDeclReader::VisitOMPDeclareReductionDecl(OMPDeclareReductionDecl *D) {
2683 VisitValueDecl(D);
2684 D->setLocation(readSourceLocation());
2685 Expr *In = Record.readExpr();
2686 Expr *Out = Record.readExpr();
2687 D->setCombinerData(In, Out);
2688 Expr *Combiner = Record.readExpr();
2689 D->setCombiner(Combiner);
2690 Expr *Orig = Record.readExpr();
2691 Expr *Priv = Record.readExpr();
2692 D->setInitializerData(Orig, Priv);
2693 Expr *Init = Record.readExpr();
2694 auto IK = static_cast<OMPDeclareReductionDecl::InitKind>(Record.readInt());
2695 D->setInitializer(Init, IK);
2696 D->PrevDeclInScope = readDeclID();
2697 }
2698
2699 void ASTDeclReader::VisitOMPDeclareMapperDecl(OMPDeclareMapperDecl *D) {
2700 VisitValueDecl(D);
2701 D->setLocation(readSourceLocation());
2702 Expr *MapperVarRefE = Record.readExpr();
2703 D->setMapperVarRef(MapperVarRefE);
2704 D->VarName = Record.readDeclarationName();
2705 D->PrevDeclInScope = readDeclID();
2706 unsigned NumClauses = D->clauselist_size();
2707 SmallVector<OMPClause *, 8> Clauses;
2708 Clauses.reserve(NumClauses);
2709 for (unsigned I = 0; I != NumClauses; ++I)
2710 Clauses.push_back(Record.readOMPClause());
2711 D->setClauses(Clauses);
2712 }
2713
2714 void ASTDeclReader::VisitOMPCapturedExprDecl(OMPCapturedExprDecl *D) {
2715 VisitVarDecl(D);
2716 }
2717
2718 //===----------------------------------------------------------------------===//
2719 // Attribute Reading
2720 //===----------------------------------------------------------------------===//
2721
2722 namespace {
2723 class AttrReader {
2724 ASTRecordReader &Reader;
2725
2726 public:
2727 AttrReader(ASTRecordReader &Reader) : Reader(Reader) {}
2728
2729 uint64_t readInt() {
2730 return Reader.readInt();
2731 }
2732
2733 SourceRange readSourceRange() {
2734 return Reader.readSourceRange();
2735 }
2736
2737 SourceLocation readSourceLocation() {
2738 return Reader.readSourceLocation();
2739 }
2740
2741 Expr *readExpr() { return Reader.readExpr(); }
2742
2743 std::string readString() {
2744 return Reader.readString();
2745 }
2746
2747 TypeSourceInfo *readTypeSourceInfo() {
2748 return Reader.readTypeSourceInfo();
2749 }
2750
2751 IdentifierInfo *readIdentifier() {
2752 return Reader.readIdentifier();
2753 }
2754
2755 VersionTuple readVersionTuple() {
2756 return Reader.readVersionTuple();
2757 }
2758
2759 template <typename T> T *GetLocalDeclAs(uint32_t LocalID) {
2760 return Reader.GetLocalDeclAs<T>(LocalID);
2761 }
2762 };
2763 }
2764
2765 Attr *ASTRecordReader::readAttr() {
2766 AttrReader Record(*this);
2767 auto V = Record.readInt();
2768 if (!V)
2769 return nullptr;
2770
2771 Attr *New = nullptr;
2772 // Kind is stored as a 1-based integer because 0 is used to indicate a null
2773 // Attr pointer.
2774 auto Kind = static_cast<attr::Kind>(V - 1);
2775 ASTContext &Context = getContext();
2776
2777 IdentifierInfo *AttrName = Record.readIdentifier();
2778 IdentifierInfo *ScopeName = Record.readIdentifier();
2779 SourceRange AttrRange = Record.readSourceRange();
2780 SourceLocation ScopeLoc = Record.readSourceLocation();
2781 unsigned ParsedKind = Record.readInt();
2782 unsigned Syntax = Record.readInt();
2783 unsigned SpellingIndex = Record.readInt();
2784
2785 AttributeCommonInfo Info(AttrName, ScopeName, AttrRange, ScopeLoc,
2786 AttributeCommonInfo::Kind(ParsedKind),
2787 AttributeCommonInfo::Syntax(Syntax), SpellingIndex);
2788
2789 #include "clang/Serialization/AttrPCHRead.inc"
2790
2791 assert(New && "Unable to decode attribute?");
2792 return New;
2793 }
2794
2795 /// Reads attributes from the current stream position.
2796 void ASTRecordReader::readAttributes(AttrVec &Attrs) {
2797 for (unsigned I = 0, E = readInt(); I != E; ++I)
2798 Attrs.push_back(readAttr());
2799 }
2800
2801 //===----------------------------------------------------------------------===//
2802 // ASTReader Implementation
2803 //===----------------------------------------------------------------------===//
2804
2805 /// Note that we have loaded the declaration with the given
2806 /// Index.
2807 ///
2808 /// This routine notes that this declaration has already been loaded,
2809 /// so that future GetDecl calls will return this declaration rather
2810 /// than trying to load a new declaration.
2811 inline void ASTReader::LoadedDecl(unsigned Index, Decl *D) {
2812 assert(!DeclsLoaded[Index] && "Decl loaded twice?");
2813 DeclsLoaded[Index] = D;
2814 }
2815
2816 /// Determine whether the consumer will be interested in seeing
2817 /// this declaration (via HandleTopLevelDecl).
2818 ///
2819 /// This routine should return true for anything that might affect
2820 /// code generation, e.g., inline function definitions, Objective-C
2821 /// declarations with metadata, etc.
2822 static bool isConsumerInterestedIn(ASTContext &Ctx, Decl *D, bool HasBody) {
2823 // An ObjCMethodDecl is never considered as "interesting" because its
2824 // implementation container always is.
2825
2826 // An ImportDecl or VarDecl imported from a module map module will get
2827 // emitted when we import the relevant module.
2828 if (isPartOfPerModuleInitializer(D)) {
2829 auto *M = D->getImportedOwningModule();
2830 if (M && M->Kind == Module::ModuleMapModule &&
2831 Ctx.DeclMustBeEmitted(D))
2832 return false;
2833 }
2834
2835 if (isa<FileScopeAsmDecl>(D) ||
2836 isa<ObjCProtocolDecl>(D) ||
2837 isa<ObjCImplDecl>(D) ||
2838 isa<ImportDecl>(D) ||
2839 isa<PragmaCommentDecl>(D) ||
2840 isa<PragmaDetectMismatchDecl>(D))
2841 return true;
2842 if (isa<OMPThreadPrivateDecl>(D) || isa<OMPDeclareReductionDecl>(D) ||
2843 isa<OMPDeclareMapperDecl>(D) || isa<OMPAllocateDecl>(D))
2844 return !D->getDeclContext()->isFunctionOrMethod();
2845 if (const auto *Var = dyn_cast<VarDecl>(D))
2846 return Var->isFileVarDecl() &&
2847 (Var->isThisDeclarationADefinition() == VarDecl::Definition ||
2848 OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(Var));
2849 if (const auto *Func = dyn_cast<FunctionDecl>(D))
2850 return Func->doesThisDeclarationHaveABody() || HasBody;
2851
2852 if (auto *ES = D->getASTContext().getExternalSource())
2853 if (ES->hasExternalDefinitions(D) == ExternalASTSource::EK_Never)
2854 return true;
2855
2856 return false;
2857 }
2858
2859 /// Get the correct cursor and offset for loading a declaration.
2860 ASTReader::RecordLocation
2861 ASTReader::DeclCursorForID(DeclID ID, SourceLocation &Loc) {
2862 GlobalDeclMapType::iterator I = GlobalDeclMap.find(ID);
2863 assert(I != GlobalDeclMap.end() && "Corrupted global declaration map");
2864 ModuleFile *M = I->second;
2865 const DeclOffset &DOffs =
2866 M->DeclOffsets[ID - M->BaseDeclID - NUM_PREDEF_DECL_IDS];
2867 Loc = TranslateSourceLocation(*M, DOffs.getLocation());
2868 return RecordLocation(M, DOffs.BitOffset);
2869 }
2870
2871 ASTReader::RecordLocation ASTReader::getLocalBitOffset(uint64_t GlobalOffset) {
2872 auto I = GlobalBitOffsetsMap.find(GlobalOffset);
2873
2874 assert(I != GlobalBitOffsetsMap.end() && "Corrupted global bit offsets map");
2875 return RecordLocation(I->second, GlobalOffset - I->second->GlobalBitOffset);
2876 }
2877
2878 uint64_t ASTReader::getGlobalBitOffset(ModuleFile &M, uint32_t LocalOffset) {
2879 return LocalOffset + M.GlobalBitOffset;
2880 }
2881
2882 static bool isSameTemplateParameterList(const TemplateParameterList *X,
2883 const TemplateParameterList *Y);
2884
2885 /// Determine whether two template parameters are similar enough
2886 /// that they may be used in declarations of the same template.
2887 static bool isSameTemplateParameter(const NamedDecl *X,
2888 const NamedDecl *Y) {
2889 if (X->getKind() != Y->getKind())
2890 return false;
2891
2892 if (const auto *TX = dyn_cast<TemplateTypeParmDecl>(X)) {
2893 const auto *TY = cast<TemplateTypeParmDecl>(Y);
2894 return TX->isParameterPack() == TY->isParameterPack();
2895 }
2896
2897 if (const auto *TX = dyn_cast<NonTypeTemplateParmDecl>(X)) {
2898 const auto *TY = cast<NonTypeTemplateParmDecl>(Y);
2899 return TX->isParameterPack() == TY->isParameterPack() &&
2900 TX->getASTContext().hasSameType(TX->getType(), TY->getType());
2901 }
2902
2903 const auto *TX = cast<TemplateTemplateParmDecl>(X);
2904 const auto *TY = cast<TemplateTemplateParmDecl>(Y);
2905 return TX->isParameterPack() == TY->isParameterPack() &&
2906 isSameTemplateParameterList(TX->getTemplateParameters(),
2907 TY->getTemplateParameters());
2908 }
2909
2910 static NamespaceDecl *getNamespace(const NestedNameSpecifier *X) {
2911 if (auto *NS = X->getAsNamespace())
2912 return NS;
2913 if (auto *NAS = X->getAsNamespaceAlias())
2914 return NAS->getNamespace();
2915 return nullptr;
2916 }
2917
2918 static bool isSameQualifier(const NestedNameSpecifier *X,
2919 const NestedNameSpecifier *Y) {
2920 if (auto *NSX = getNamespace(X)) {
2921 auto *NSY = getNamespace(Y);
2922 if (!NSY || NSX->getCanonicalDecl() != NSY->getCanonicalDecl())
2923 return false;
2924 } else if (X->getKind() != Y->getKind())
2925 return false;
2926
2927 // FIXME: For namespaces and types, we're permitted to check that the entity
2928 // is named via the same tokens. We should probably do so.
2929 switch (X->getKind()) {
2930 case NestedNameSpecifier::Identifier:
2931 if (X->getAsIdentifier() != Y->getAsIdentifier())
2932 return false;
2933 break;
2934 case NestedNameSpecifier::Namespace:
2935 case NestedNameSpecifier::NamespaceAlias:
2936 // We've already checked that we named the same namespace.
2937 break;
2938 case NestedNameSpecifier::TypeSpec:
2939 case NestedNameSpecifier::TypeSpecWithTemplate:
2940 if (X->getAsType()->getCanonicalTypeInternal() !=
2941 Y->getAsType()->getCanonicalTypeInternal())
2942 return false;
2943 break;
2944 case NestedNameSpecifier::Global:
2945 case NestedNameSpecifier::Super:
2946 return true;
2947 }
2948
2949 // Recurse into earlier portion of NNS, if any.
2950 auto *PX = X->getPrefix();
2951 auto *PY = Y->getPrefix();
2952 if (PX && PY)
2953 return isSameQualifier(PX, PY);
2954 return !PX && !PY;
2955 }
2956
2957 /// Determine whether two template parameter lists are similar enough
2958 /// that they may be used in declarations of the same template.
2959 static bool isSameTemplateParameterList(const TemplateParameterList *X,
2960 const TemplateParameterList *Y) {
2961 if (X->size() != Y->size())
2962 return false;
2963
2964 for (unsigned I = 0, N = X->size(); I != N; ++I)
2965 if (!isSameTemplateParameter(X->getParam(I), Y->getParam(I)))
2966 return false;
2967
2968 return true;
2969 }
2970
2971 /// Determine whether the attributes we can overload on are identical for A and
2972 /// B. Will ignore any overloadable attrs represented in the type of A and B.
2973 static bool hasSameOverloadableAttrs(const FunctionDecl *A,
2974 const FunctionDecl *B) {
2975 // Note that pass_object_size attributes are represented in the function's
2976 // ExtParameterInfo, so we don't need to check them here.
2977
2978 llvm::FoldingSetNodeID Cand1ID, Cand2ID;
2979 auto AEnableIfAttrs = A->specific_attrs<EnableIfAttr>();
2980 auto BEnableIfAttrs = B->specific_attrs<EnableIfAttr>();
2981
2982 for (auto Pair : zip_longest(AEnableIfAttrs, BEnableIfAttrs)) {
2983 Optional<EnableIfAttr *> Cand1A = std::get<0>(Pair);
2984 Optional<EnableIfAttr *> Cand2A = std::get<1>(Pair);
2985
2986 // Return false if the number of enable_if attributes is different.
2987 if (!Cand1A || !Cand2A)
2988 return false;
2989
2990 Cand1ID.clear();
2991 Cand2ID.clear();
2992
2993 (*Cand1A)->getCond()->Profile(Cand1ID, A->getASTContext(), true);
2994 (*Cand2A)->getCond()->Profile(Cand2ID, B->getASTContext(), true);
2995
2996 // Return false if any of the enable_if expressions of A and B are
2997 // different.
2998 if (Cand1ID != Cand2ID)
2999 return false;
3000 }
3001 return true;
3002 }
3003
3004 /// Determine whether the two declarations refer to the same entity.
3005 static bool isSameEntity(NamedDecl *X, NamedDecl *Y) {
3006 assert(X->getDeclName() == Y->getDeclName() && "Declaration name mismatch!");
3007
3008 if (X == Y)
3009 return true;
3010
3011 // Must be in the same context.
3012 //
3013 // Note that we can't use DeclContext::Equals here, because the DeclContexts
3014 // could be two different declarations of the same function. (We will fix the
3015 // semantic DC to refer to the primary definition after merging.)
3016 if (!declaresSameEntity(cast<Decl>(X->getDeclContext()->getRedeclContext()),
3017 cast<Decl>(Y->getDeclContext()->getRedeclContext())))
3018 return false;
3019
3020 // Two typedefs refer to the same entity if they have the same underlying
3021 // type.
3022 if (const auto *TypedefX = dyn_cast<TypedefNameDecl>(X))
3023 if (const auto *TypedefY = dyn_cast<TypedefNameDecl>(Y))
3024 return X->getASTContext().hasSameType(TypedefX->getUnderlyingType(),
3025 TypedefY->getUnderlyingType());
3026
3027 // Must have the same kind.
3028 if (X->getKind() != Y->getKind())
3029 return false;
3030
3031 // Objective-C classes and protocols with the same name always match.
3032 if (isa<ObjCInterfaceDecl>(X) || isa<ObjCProtocolDecl>(X))
3033 return true;
3034
3035 if (isa<ClassTemplateSpecializationDecl>(X)) {
3036 // No need to handle these here: we merge them when adding them to the
3037 // template.
3038 return false;
3039 }
3040
3041 // Compatible tags match.
3042 if (const auto *TagX = dyn_cast<TagDecl>(X)) {
3043 const auto *TagY = cast<TagDecl>(Y);
3044 return (TagX->getTagKind() == TagY->getTagKind()) ||
3045 ((TagX->getTagKind() == TTK_Struct || TagX->getTagKind() == TTK_Class ||
3046 TagX->getTagKind() == TTK_Interface) &&
3047 (TagY->getTagKind() == TTK_Struct || TagY->getTagKind() == TTK_Class ||
3048 TagY->getTagKind() == TTK_Interface));
3049 }
3050
3051 // Functions with the same type and linkage match.
3052 // FIXME: This needs to cope with merging of prototyped/non-prototyped
3053 // functions, etc.
3054 if (const auto *FuncX = dyn_cast<FunctionDecl>(X)) {
3055 const auto *FuncY = cast<FunctionDecl>(Y);
3056 if (const auto *CtorX = dyn_cast<CXXConstructorDecl>(X)) {
3057 const auto *CtorY = cast<CXXConstructorDecl>(Y);
3058 if (CtorX->getInheritedConstructor() &&
3059 !isSameEntity(CtorX->getInheritedConstructor().getConstructor(),
3060 CtorY->getInheritedConstructor().getConstructor()))
3061 return false;
3062 }
3063
3064 if (FuncX->isMultiVersion() != FuncY->isMultiVersion())
3065 return false;
3066
3067 // Multiversioned functions with different feature strings are represented
3068 // as separate declarations.
3069 if (FuncX->isMultiVersion()) {
3070 const auto *TAX = FuncX->getAttr<TargetAttr>();
3071 const auto *TAY = FuncY->getAttr<TargetAttr>();
3072 assert(TAX && TAY && "Multiversion Function without target attribute");
3073
3074 if (TAX->getFeaturesStr() != TAY->getFeaturesStr())
3075 return false;
3076 }
3077
3078 ASTContext &C = FuncX->getASTContext();
3079 auto GetTypeAsWritten = [](const FunctionDecl *FD) {
3080 // Map to the first declaration that we've already merged into this one.
3081 // The TSI of redeclarations might not match (due to calling conventions
3082 // being inherited onto the type but not the TSI), but the TSI type of
3083 // the first declaration of the function should match across modules.
3084 FD = FD->getCanonicalDecl();
3085 return FD->getTypeSourceInfo() ? FD->getTypeSourceInfo()->getType()
3086 : FD->getType();
3087 };
3088 QualType XT = GetTypeAsWritten(FuncX), YT = GetTypeAsWritten(FuncY);
3089 if (!C.hasSameType(XT, YT)) {
3090 // We can get functions with different types on the redecl chain in C++17
3091 // if they have differing exception specifications and at least one of
3092 // the excpetion specs is unresolved.
3093 auto *XFPT = XT->getAs<FunctionProtoType>();
3094 auto *YFPT = YT->getAs<FunctionProtoType>();
3095 if (C.getLangOpts().CPlusPlus17 && XFPT && YFPT &&
3096 (isUnresolvedExceptionSpec(XFPT->getExceptionSpecType()) ||
3097 isUnresolvedExceptionSpec(YFPT->getExceptionSpecType())) &&
3098 C.hasSameFunctionTypeIgnoringExceptionSpec(XT, YT))
3099 return true;
3100 return false;
3101 }
3102 return FuncX->getLinkageInternal() == FuncY->getLinkageInternal() &&
3103 hasSameOverloadableAttrs(FuncX, FuncY);
3104 }
3105
3106 // Variables with the same type and linkage match.
3107 if (const auto *VarX = dyn_cast<VarDecl>(X)) {
3108 const auto *VarY = cast<VarDecl>(Y);
3109 if (VarX->getLinkageInternal() == VarY->getLinkageInternal()) {
3110 ASTContext &C = VarX->getASTContext();
3111 if (C.hasSameType(VarX->getType(), VarY->getType()))
3112 return true;
3113
3114 // We can get decls with different types on the redecl chain. Eg.
3115 // template <typename T> struct S { static T Var[]; }; // #1
3116 // template <typename T> T S<T>::Var[sizeof(T)]; // #2
3117 // Only? happens when completing an incomplete array type. In this case
3118 // when comparing #1 and #2 we should go through their element type.
3119 const ArrayType *VarXTy = C.getAsArrayType(VarX->getType());
3120 const ArrayType *VarYTy = C.getAsArrayType(VarY->getType());
3121 if (!VarXTy || !VarYTy)
3122 return false;
3123 if (VarXTy->isIncompleteArrayType() || VarYTy->isIncompleteArrayType())
3124 return C.hasSameType(VarXTy->getElementType(), VarYTy->getElementType());
3125 }
3126 return false;
3127 }
3128
3129 // Namespaces with the same name and inlinedness match.
3130 if (const auto *NamespaceX = dyn_cast<NamespaceDecl>(X)) {
3131 const auto *NamespaceY = cast<NamespaceDecl>(Y);
3132 return NamespaceX->isInline() == NamespaceY->isInline();
3133 }
3134
3135 // Identical template names and kinds match if their template parameter lists
3136 // and patterns match.
3137 if (const auto *TemplateX = dyn_cast<TemplateDecl>(X)) {
3138 const auto *TemplateY = cast<TemplateDecl>(Y);
3139 return isSameEntity(TemplateX->getTemplatedDecl(),
3140 TemplateY->getTemplatedDecl()) &&
3141 isSameTemplateParameterList(TemplateX->getTemplateParameters(),
3142 TemplateY->getTemplateParameters());
3143 }
3144
3145 // Fields with the same name and the same type match.
3146 if (const auto *FDX = dyn_cast<FieldDecl>(X)) {
3147 const auto *FDY = cast<FieldDecl>(Y);
3148 // FIXME: Also check the bitwidth is odr-equivalent, if any.
3149 return X->getASTContext().hasSameType(FDX->getType(), FDY->getType());
3150 }
3151
3152 // Indirect fields with the same target field match.
3153 if (const auto *IFDX = dyn_cast<IndirectFieldDecl>(X)) {
3154 const auto *IFDY = cast<IndirectFieldDecl>(Y);
3155 return IFDX->getAnonField()->getCanonicalDecl() ==
3156 IFDY->getAnonField()->getCanonicalDecl();
3157 }
3158
3159 // Enumerators with the same name match.
3160 if (isa<EnumConstantDecl>(X))
3161 // FIXME: Also check the value is odr-equivalent.
3162 return true;
3163
3164 // Using shadow declarations with the same target match.
3165 if (const auto *USX = dyn_cast<UsingShadowDecl>(X)) {
3166 const auto *USY = cast<UsingShadowDecl>(Y);
3167 return USX->getTargetDecl() == USY->getTargetDecl();
3168 }
3169
3170 // Using declarations with the same qualifier match. (We already know that
3171 // the name matches.)
3172 if (const auto *UX = dyn_cast<UsingDecl>(X)) {
3173 const auto *UY = cast<UsingDecl>(Y);
3174 return isSameQualifier(UX->getQualifier(), UY->getQualifier()) &&
3175 UX->hasTypename() == UY->hasTypename() &&
3176 UX->isAccessDeclaration() == UY->isAccessDeclaration();
3177 }
3178 if (const auto *UX = dyn_cast<UnresolvedUsingValueDecl>(X)) {
3179 const auto *UY = cast<UnresolvedUsingValueDecl>(Y);
3180 return isSameQualifier(UX->getQualifier(), UY->getQualifier()) &&
3181 UX->isAccessDeclaration() == UY->isAccessDeclaration();
3182 }
3183 if (const auto *UX = dyn_cast<UnresolvedUsingTypenameDecl>(X))
3184 return isSameQualifier(
3185 UX->getQualifier(),
3186 cast<UnresolvedUsingTypenameDecl>(Y)->getQualifier());
3187
3188 // Namespace alias definitions with the same target match.
3189 if (const auto *NAX = dyn_cast<NamespaceAliasDecl>(X)) {
3190 const auto *NAY = cast<NamespaceAliasDecl>(Y);
3191 return NAX->getNamespace()->Equals(NAY->getNamespace());
3192 }
3193
3194 return false;
3195 }
3196
3197 /// Find the context in which we should search for previous declarations when
3198 /// looking for declarations to merge.
3199 DeclContext *ASTDeclReader::getPrimaryContextForMerging(ASTReader &Reader,
3200 DeclContext *DC) {
3201 if (auto *ND = dyn_cast<NamespaceDecl>(DC))
3202 return ND->getOriginalNamespace();
3203
3204 if (auto *RD = dyn_cast<CXXRecordDecl>(DC)) {
3205 // Try to dig out the definition.
3206 auto *DD = RD->DefinitionData;
3207 if (!DD)
3208 DD = RD->getCanonicalDecl()->DefinitionData;
3209
3210 // If there's no definition yet, then DC's definition is added by an update
3211 // record, but we've not yet loaded that update record. In this case, we
3212 // commit to DC being the canonical definition now, and will fix this when
3213 // we load the update record.
3214 if (!DD) {
3215 DD = new (Reader.getContext()) struct CXXRecordDecl::DefinitionData(RD);
3216 RD->setCompleteDefinition(true);
3217 RD->DefinitionData = DD;
3218 RD->getCanonicalDecl()->DefinitionData = DD;
3219
3220 // Track that we did this horrible thing so that we can fix it later.
3221 Reader.PendingFakeDefinitionData.insert(
3222 std::make_pair(DD, ASTReader::PendingFakeDefinitionKind::Fake));
3223 }
3224
3225 return DD->Definition;
3226 }
3227
3228 if (auto *ED = dyn_cast<EnumDecl>(DC))
3229 return ED->getASTContext().getLangOpts().CPlusPlus? ED->getDefinition()
3230 : nullptr;
3231
3232 // We can see the TU here only if we have no Sema object. In that case,
3233 // there's no TU scope to look in, so using the DC alone is sufficient.
3234 if (auto *TU = dyn_cast<TranslationUnitDecl>(DC))
3235 return TU;
3236
3237 return nullptr;
3238 }
3239
3240 ASTDeclReader::FindExistingResult::~FindExistingResult() {
3241 // Record that we had a typedef name for linkage whether or not we merge
3242 // with that declaration.
3243 if (TypedefNameForLinkage) {
3244 DeclContext *DC = New->getDeclContext()->getRedeclContext();
3245 Reader.ImportedTypedefNamesForLinkage.insert(
3246 std::make_pair(std::make_pair(DC, TypedefNameForLinkage), New));
3247 return;
3248 }
3249
3250 if (!AddResult || Existing)
3251 return;
3252
3253 DeclarationName Name = New->getDeclName();
3254 DeclContext *DC = New->getDeclContext()->getRedeclContext();
3255 if (needsAnonymousDeclarationNumber(New)) {
3256 setAnonymousDeclForMerging(Reader, New->getLexicalDeclContext(),
3257 AnonymousDeclNumber, New);
3258 } else if (DC->isTranslationUnit() &&
3259 !Reader.getContext().getLangOpts().CPlusPlus) {
3260 if (Reader.getIdResolver().tryAddTopLevelDecl(New, Name))
3261 Reader.PendingFakeLookupResults[Name.getAsIdentifierInfo()]
3262 .push_back(New);
3263 } else if (DeclContext *MergeDC = getPrimaryContextForMerging(Reader, DC)) {
3264 // Add the declaration to its redeclaration context so later merging
3265 // lookups will find it.
3266 MergeDC->makeDeclVisibleInContextImpl(New, /*Internal*/true);
3267 }
3268 }
3269
3270 /// Find the declaration that should be merged into, given the declaration found
3271 /// by name lookup. If we're merging an anonymous declaration within a typedef,
3272 /// we need a matching typedef, and we merge with the type inside it.
3273 static NamedDecl *getDeclForMerging(NamedDecl *Found,
3274 bool IsTypedefNameForLinkage) {
3275 if (!IsTypedefNameForLinkage)
3276 return Found;
3277
3278 // If we found a typedef declaration that gives a name to some other
3279 // declaration, then we want that inner declaration. Declarations from
3280 // AST files are handled via ImportedTypedefNamesForLinkage.
3281 if (Found->isFromASTFile())
3282 return nullptr;
3283
3284 if (auto *TND = dyn_cast<TypedefNameDecl>(Found))
3285 return TND->getAnonDeclWithTypedefName(/*AnyRedecl*/true);
3286
3287 return nullptr;
3288 }
3289
3290 /// Find the declaration to use to populate the anonymous declaration table
3291 /// for the given lexical DeclContext. We only care about finding local
3292 /// definitions of the context; we'll merge imported ones as we go.
3293 DeclContext *
3294 ASTDeclReader::getPrimaryDCForAnonymousDecl(DeclContext *LexicalDC) {
3295 // For classes, we track the definition as we merge.
3296 if (auto *RD = dyn_cast<CXXRecordDecl>(LexicalDC)) {
3297 auto *DD = RD->getCanonicalDecl()->DefinitionData;
3298 return DD ? DD->Definition : nullptr;
3299 }
3300
3301 // For anything else, walk its merged redeclarations looking for a definition.
3302 // Note that we can't just call getDefinition here because the redeclaration
3303 // chain isn't wired up.
3304 for (auto *D : merged_redecls(cast<Decl>(LexicalDC))) {
3305 if (auto *FD = dyn_cast<FunctionDecl>(D))
3306 if (FD->isThisDeclarationADefinition())
3307 return FD;
3308 if (auto *MD = dyn_cast<ObjCMethodDecl>(D))
3309 if (MD->isThisDeclarationADefinition())
3310 return MD;
3311 }
3312
3313 // No merged definition yet.
3314 return nullptr;
3315 }
3316
3317 NamedDecl *ASTDeclReader::getAnonymousDeclForMerging(ASTReader &Reader,
3318 DeclContext *DC,
3319 unsigned Index) {
3320 // If the lexical context has been merged, look into the now-canonical
3321 // definition.
3322 auto *CanonDC = cast<Decl>(DC)->getCanonicalDecl();
3323
3324 // If we've seen this before, return the canonical declaration.
3325 auto &Previous = Reader.AnonymousDeclarationsForMerging[CanonDC];
3326 if (Index < Previous.size() && Previous[Index])
3327 return Previous[Index];
3328
3329 // If this is the first time, but we have parsed a declaration of the context,
3330 // build the anonymous declaration list from the parsed declaration.
3331 auto *PrimaryDC = getPrimaryDCForAnonymousDecl(DC);
3332 if (PrimaryDC && !cast<Decl>(PrimaryDC)->isFromASTFile()) {
3333 numberAnonymousDeclsWithin(PrimaryDC, [&](NamedDecl *ND, unsigned Number) {
3334 if (Previous.size() == Number)
3335 Previous.push_back(cast<NamedDecl>(ND->getCanonicalDecl()));
3336 else
3337 Previous[Number] = cast<NamedDecl>(ND->getCanonicalDecl());
3338 });
3339 }
3340
3341 return Index < Previous.size() ? Previous[Index] : nullptr;
3342 }
3343
3344 void ASTDeclReader::setAnonymousDeclForMerging(ASTReader &Reader,
3345 DeclContext *DC, unsigned Index,
3346 NamedDecl *D) {
3347 auto *CanonDC = cast<Decl>(DC)->getCanonicalDecl();
3348
3349 auto &Previous = Reader.AnonymousDeclarationsForMerging[CanonDC];
3350 if (Index >= Previous.size())
3351 Previous.resize(Index + 1);
3352 if (!Previous[Index])
3353 Previous[Index] = D;
3354 }
3355
3356 ASTDeclReader::FindExistingResult ASTDeclReader::findExisting(NamedDecl *D) {
3357 DeclarationName Name = TypedefNameForLinkage ? TypedefNameForLinkage
3358 : D->getDeclName();
3359
3360 if (!Name && !needsAnonymousDeclarationNumber(D)) {
3361 // Don't bother trying to find unnamed declarations that are in
3362 // unmergeable contexts.
3363 FindExistingResult Result(Reader, D, /*Existing=*/nullptr,
3364 AnonymousDeclNumber, TypedefNameForLinkage);
3365 Result.suppress();
3366 return Result;
3367 }
3368
3369 DeclContext *DC = D->getDeclContext()->getRedeclContext();
3370 if (TypedefNameForLinkage) {
3371 auto It = Reader.ImportedTypedefNamesForLinkage.find(
3372 std::make_pair(DC, TypedefNameForLinkage));
3373 if (It != Reader.ImportedTypedefNamesForLinkage.end())
3374 if (isSameEntity(It->second, D))
3375 return FindExistingResult(Reader, D, It->second, AnonymousDeclNumber,
3376 TypedefNameForLinkage);
3377 // Go on to check in other places in case an existing typedef name
3378 // was not imported.
3379 }
3380
3381 if (needsAnonymousDeclarationNumber(D)) {
3382 // This is an anonymous declaration that we may need to merge. Look it up
3383 // in its context by number.
3384 if (auto *Existing = getAnonymousDeclForMerging(
3385 Reader, D->getLexicalDeclContext(), AnonymousDeclNumber))
3386 if (isSameEntity(Existing, D))
3387 return FindExistingResult(Reader, D, Existing, AnonymousDeclNumber,
3388 TypedefNameForLinkage);
3389 } else if (DC->isTranslationUnit() &&
3390 !Reader.getContext().getLangOpts().CPlusPlus) {
3391 IdentifierResolver &IdResolver = Reader.getIdResolver();
3392
3393 // Temporarily consider the identifier to be up-to-date. We don't want to
3394 // cause additional lookups here.
3395 class UpToDateIdentifierRAII {
3396 IdentifierInfo *II;
3397 bool WasOutToDate = false;
3398
3399 public:
3400 explicit UpToDateIdentifierRAII(IdentifierInfo *II) : II(II) {
3401 if (II) {
3402 WasOutToDate = II->isOutOfDate();
3403 if (WasOutToDate)
3404 II->setOutOfDate(false);
3405 }
3406 }
3407
3408 ~UpToDateIdentifierRAII() {
3409 if (WasOutToDate)
3410 II->setOutOfDate(true);
3411 }
3412 } UpToDate(Name.getAsIdentifierInfo());
3413
3414 for (IdentifierResolver::iterator I = IdResolver.begin(Name),
3415 IEnd = IdResolver.end();
3416 I != IEnd; ++I) {
3417 if (NamedDecl *Existing = getDeclForMerging(*I, TypedefNameForLinkage))
3418 if (isSameEntity(Existing, D))
3419 return FindExistingResult(Reader, D, Existing, AnonymousDeclNumber,
3420 TypedefNameForLinkage);
3421 }
3422 } else if (DeclContext *MergeDC = getPrimaryContextForMerging(Reader, DC)) {
3423 DeclContext::lookup_result R = MergeDC->noload_lookup(Name);
3424 for (DeclContext::lookup_iterator I = R.begin(), E = R.end(); I != E; ++I) {
3425 if (NamedDecl *Existing = getDeclForMerging(*I, TypedefNameForLinkage))
3426 if (isSameEntity(Existing, D))
3427 return FindExistingResult(Reader, D, Existing, AnonymousDeclNumber,
3428 TypedefNameForLinkage);
3429 }
3430 } else {
3431 // Not in a mergeable context.
3432 return FindExistingResult(Reader);
3433 }
3434
3435 // If this declaration is from a merged context, make a note that we need to
3436 // check that the canonical definition of that context contains the decl.
3437 //
3438 // FIXME: We should do something similar if we merge two definitions of the
3439 // same template specialization into the same CXXRecordDecl.
3440 auto MergedDCIt = Reader.MergedDeclContexts.find(D->getLexicalDeclContext());
3441 if (MergedDCIt != Reader.MergedDeclContexts.end() &&
3442 MergedDCIt->second == D->getDeclContext())
3443 Reader.PendingOdrMergeChecks.push_back(D);
3444
3445 return FindExistingResult(Reader, D, /*Existing=*/nullptr,
3446 AnonymousDeclNumber, TypedefNameForLinkage);
3447 }
3448
3449 template<typename DeclT>
3450 Decl *ASTDeclReader::getMostRecentDeclImpl(Redeclarable<DeclT> *D) {
3451 return D->RedeclLink.getLatestNotUpdated();
3452 }
3453
3454 Decl *ASTDeclReader::getMostRecentDeclImpl(...) {
3455 llvm_unreachable("getMostRecentDecl on non-redeclarable declaration");
3456 }
3457
3458 Decl *ASTDeclReader::getMostRecentDecl(Decl *D) {
3459 assert(D);
3460
3461 switch (D->getKind()) {
3462 #define ABSTRACT_DECL(TYPE)
3463 #define DECL(TYPE, BASE) \
3464 case Decl::TYPE: \
3465 return getMostRecentDeclImpl(cast<TYPE##Decl>(D));
3466 #include "clang/AST/DeclNodes.inc"
3467 }
3468 llvm_unreachable("unknown decl kind");
3469 }
3470
3471 Decl *ASTReader::getMostRecentExistingDecl(Decl *D) {
3472 return ASTDeclReader::getMostRecentDecl(D->getCanonicalDecl());
3473 }
3474
3475 template<typename DeclT>
3476 void ASTDeclReader::attachPreviousDeclImpl(ASTReader &Reader,
3477 Redeclarable<DeclT> *D,
3478 Decl *Previous, Decl *Canon) {
3479 D->RedeclLink.setPrevious(cast<DeclT>(Previous));
3480 D->First = cast<DeclT>(Previous)->First;
3481 }
3482
3483 namespace clang {
3484
3485 template<>
3486 void ASTDeclReader::attachPreviousDeclImpl(ASTReader &Reader,
3487 Redeclarable<VarDecl> *D,
3488 Decl *Previous, Decl *Canon) {
3489 auto *VD = static_cast<VarDecl *>(D);
3490 auto *PrevVD = cast<VarDecl>(Previous);
3491 D->RedeclLink.setPrevious(PrevVD);
3492 D->First = PrevVD->First;
3493
3494 // We should keep at most one definition on the chain.
3495 // FIXME: Cache the definition once we've found it. Building a chain with
3496 // N definitions currently takes O(N^2) time here.
3497 if (VD->isThisDeclarationADefinition() == VarDecl::Definition) {
3498 for (VarDecl *CurD = PrevVD; CurD; CurD = CurD->getPreviousDecl()) {
3499 if (CurD->isThisDeclarationADefinition() == VarDecl::Definition) {
3500 Reader.mergeDefinitionVisibility(CurD, VD);
3501 VD->demoteThisDefinitionToDeclaration();
3502 break;
3503 }
3504 }
3505 }
3506 }
3507
3508 static bool isUndeducedReturnType(QualType T) {
3509 auto *DT = T->getContainedDeducedType();
3510 return DT && !DT->isDeduced();
3511 }
3512
3513 template<>
3514 void ASTDeclReader::attachPreviousDeclImpl(ASTReader &Reader,
3515 Redeclarable<FunctionDecl> *D,
3516 Decl *Previous, Decl *Canon) {
3517 auto *FD = static_cast<FunctionDecl *>(D);
3518 auto *PrevFD = cast<FunctionDecl>(Previous);
3519
3520 FD->RedeclLink.setPrevious(PrevFD);
3521 FD->First = PrevFD->First;
3522
3523 // If the previous declaration is an inline function declaration, then this
3524 // declaration is too.
3525 if (PrevFD->isInlined() != FD->isInlined()) {
3526 // FIXME: [dcl.fct.spec]p4:
3527 // If a function with external linkage is declared inline in one
3528 // translation unit, it shall be declared inline in all translation
3529 // units in which it appears.
3530 //
3531 // Be careful of this case:
3532 //
3533 // module A:
3534 // template<typename T> struct X { void f(); };
3535 // template<typename T> inline void X<T>::f() {}
3536 //
3537 // module B instantiates the declaration of X<int>::f
3538 // module C instantiates the definition of X<int>::f
3539 //
3540 // If module B and C are merged, we do not have a violation of this rule.
3541 FD->setImplicitlyInline(true);
3542 }
3543
3544 auto *FPT = FD->getType()->getAs<FunctionProtoType>();
3545 auto *PrevFPT = PrevFD->getType()->getAs<FunctionProtoType>();
3546 if (FPT && PrevFPT) {
3547 // If we need to propagate an exception specification along the redecl
3548 // chain, make a note of that so that we can do so later.
3549 bool IsUnresolved = isUnresolvedExceptionSpec(FPT->getExceptionSpecType());
3550 bool WasUnresolved =
3551 isUnresolvedExceptionSpec(PrevFPT->getExceptionSpecType());
3552 if (IsUnresolved != WasUnresolved)
3553 Reader.PendingExceptionSpecUpdates.insert(
3554 {Canon, IsUnresolved ? PrevFD : FD});
3555
3556 // If we need to propagate a deduced return type along the redecl chain,
3557 // make a note of that so that we can do it later.
3558 bool IsUndeduced = isUndeducedReturnType(FPT->getReturnType());
3559 bool WasUndeduced = isUndeducedReturnType(PrevFPT->getReturnType());
3560 if (IsUndeduced != WasUndeduced)
3561 Reader.PendingDeducedTypeUpdates.insert(
3562 {cast<FunctionDecl>(Canon),
3563 (IsUndeduced ? PrevFPT : FPT)->getReturnType()});
3564 }
3565 }
3566
3567 } // namespace clang
3568
3569 void ASTDeclReader::attachPreviousDeclImpl(ASTReader &Reader, ...) {
3570 llvm_unreachable("attachPreviousDecl on non-redeclarable declaration");
3571 }
3572
3573 /// Inherit the default template argument from \p From to \p To. Returns
3574 /// \c false if there is no default template for \p From.
3575 template <typename ParmDecl>
3576 static bool inheritDefaultTemplateArgument(ASTContext &Context, ParmDecl *From,
3577 Decl *ToD) {
3578 auto *To = cast<ParmDecl>(ToD);
3579 if (!From->hasDefaultArgument())
3580 return false;
3581 To->setInheritedDefaultArgument(Context, From);
3582 return true;
3583 }
3584
3585 static void inheritDefaultTemplateArguments(ASTContext &Context,
3586 TemplateDecl *From,
3587 TemplateDecl *To) {
3588 auto *FromTP = From->getTemplateParameters();
3589 auto *ToTP = To->getTemplateParameters();
3590 assert(FromTP->size() == ToTP->size() && "merged mismatched templates?");
3591
3592 for (unsigned I = 0, N = FromTP->size(); I != N; ++I) {
3593 NamedDecl *FromParam = FromTP->getParam(I);
3594 NamedDecl *ToParam = ToTP->getParam(I);
3595
3596 if (auto *FTTP = dyn_cast<TemplateTypeParmDecl>(FromParam))
3597 inheritDefaultTemplateArgument(Context, FTTP, ToParam);
3598 else if (auto *FNTTP = dyn_cast<NonTypeTemplateParmDecl>(FromParam))
3599 inheritDefaultTemplateArgument(Context, FNTTP, ToParam);
3600 else
3601 inheritDefaultTemplateArgument(
3602 Context, cast<TemplateTemplateParmDecl>(FromParam), ToParam);
3603 }
3604 }
3605
3606 void ASTDeclReader::attachPreviousDecl(ASTReader &Reader, Decl *D,
3607 Decl *Previous, Decl *Canon) {
3608 assert(D && Previous);
3609
3610 switch (D->getKind()) {
3611 #define ABSTRACT_DECL(TYPE)
3612 #define DECL(TYPE, BASE) \
3613 case Decl::TYPE: \
3614 attachPreviousDeclImpl(Reader, cast<TYPE##Decl>(D), Previous, Canon); \
3615 break;
3616 #include "clang/AST/DeclNodes.inc"
3617 }
3618
3619 // If the declaration was visible in one module, a redeclaration of it in
3620 // another module remains visible even if it wouldn't be visible by itself.
3621 //
3622 // FIXME: In this case, the declaration should only be visible if a module
3623 // that makes it visible has been imported.
3624 D->IdentifierNamespace |=
3625 Previous->IdentifierNamespace &
3626 (Decl::IDNS_Ordinary | Decl::IDNS_Tag | Decl::IDNS_Type);
3627
3628 // If the declaration declares a template, it may inherit default arguments
3629 // from the previous declaration.
3630 if (auto *TD = dyn_cast<TemplateDecl>(D))
3631 inheritDefaultTemplateArguments(Reader.getContext(),
3632 cast<TemplateDecl>(Previous), TD);
3633 }
3634
3635 template<typename DeclT>
3636 void ASTDeclReader::attachLatestDeclImpl(Redeclarable<DeclT> *D, Decl *Latest) {
3637 D->RedeclLink.setLatest(cast<DeclT>(Latest));
3638 }
3639
3640 void ASTDeclReader::attachLatestDeclImpl(...) {
3641 llvm_unreachable("attachLatestDecl on non-redeclarable declaration");
3642 }
3643
3644 void ASTDeclReader::attachLatestDecl(Decl *D, Decl *Latest) {
3645 assert(D && Latest);
3646
3647 switch (D->getKind()) {
3648 #define ABSTRACT_DECL(TYPE)
3649 #define DECL(TYPE, BASE) \
3650 case Decl::TYPE: \
3651 attachLatestDeclImpl(cast<TYPE##Decl>(D), Latest); \
3652 break;
3653 #include "clang/AST/DeclNodes.inc"
3654 }
3655 }
3656
3657 template<typename DeclT>
3658 void ASTDeclReader::markIncompleteDeclChainImpl(Redeclarable<DeclT> *D) {
3659 D->RedeclLink.markIncomplete();
3660 }
3661
3662 void ASTDeclReader::markIncompleteDeclChainImpl(...) {
3663 llvm_unreachable("markIncompleteDeclChain on non-redeclarable declaration");
3664 }
3665
3666 void ASTReader::markIncompleteDeclChain(Decl *D) {
3667 switch (D->getKind()) {
3668 #define ABSTRACT_DECL(TYPE)
3669 #define DECL(TYPE, BASE) \
3670 case Decl::TYPE: \
3671 ASTDeclReader::markIncompleteDeclChainImpl(cast<TYPE##Decl>(D)); \
3672 break;
3673 #include "clang/AST/DeclNodes.inc"
3674 }
3675 }
3676
3677 /// Read the declaration at the given offset from the AST file.
3678 Decl *ASTReader::ReadDeclRecord(DeclID ID) {
3679 unsigned Index = ID - NUM_PREDEF_DECL_IDS;
3680 SourceLocation DeclLoc;
3681 RecordLocation Loc = DeclCursorForID(ID, DeclLoc);
3682 llvm::BitstreamCursor &DeclsCursor = Loc.F->DeclsCursor;
3683 // Keep track of where we are in the stream, then jump back there
3684 // after reading this declaration.
3685 SavedStreamPosition SavedPosition(DeclsCursor);
3686
3687 ReadingKindTracker ReadingKind(Read_Decl, *this);
3688
3689 // Note that we are loading a declaration record.
3690 Deserializing ADecl(this);
3691
3692 auto Fail = [](const char *what, llvm::Error &&Err) {
3693 llvm::report_fatal_error(Twine("ASTReader::readDeclRecord failed ") + what +
3694 ": " + toString(std::move(Err)));
3695 };
3696
3697 if (llvm::Error JumpFailed = DeclsCursor.JumpToBit(Loc.Offset))
3698 Fail("jumping", std::move(JumpFailed));
3699 ASTRecordReader Record(*this, *Loc.F);
3700 ASTDeclReader Reader(*this, Record, Loc, ID, DeclLoc);
3701 Expected<unsigned> MaybeCode = DeclsCursor.ReadCode();
3702 if (!MaybeCode)
3703 Fail("reading code", MaybeCode.takeError());
3704 unsigned Code = MaybeCode.get();
3705
3706 ASTContext &Context = getContext();
3707 Decl *D = nullptr;
3708 Expected<unsigned> MaybeDeclCode = Record.readRecord(DeclsCursor, Code);
3709 if (!MaybeDeclCode)
3710 llvm::report_fatal_error(
3711 "ASTReader::readDeclRecord failed reading decl code: " +
3712 toString(MaybeDeclCode.takeError()));
3713 switch ((DeclCode)MaybeDeclCode.get()) {
3714 case DECL_CONTEXT_LEXICAL:
3715 case DECL_CONTEXT_VISIBLE:
3716 llvm_unreachable("Record cannot be de-serialized with readDeclRecord");
3717 case DECL_TYPEDEF:
3718 D = TypedefDecl::CreateDeserialized(Context, ID);
3719 break;
3720 case DECL_TYPEALIAS:
3721 D = TypeAliasDecl::CreateDeserialized(Context, ID);
3722 break;
3723 case DECL_ENUM:
3724 D = EnumDecl::CreateDeserialized(Context, ID);
3725 break;
3726 case DECL_RECORD:
3727 D = RecordDecl::CreateDeserialized(Context, ID);
3728 break;
3729 case DECL_ENUM_CONSTANT:
3730 D = EnumConstantDecl::CreateDeserialized(Context, ID);
3731 break;
3732 case DECL_FUNCTION:
3733 D = FunctionDecl::CreateDeserialized(Context, ID);
3734 break;
3735 case DECL_LINKAGE_SPEC:
3736 D = LinkageSpecDecl::CreateDeserialized(Context, ID);
3737 break;
3738 case DECL_EXPORT:
3739 D = ExportDecl::CreateDeserialized(Context, ID);
3740 break;
3741 case DECL_LABEL:
3742 D = LabelDecl::CreateDeserialized(Context, ID);
3743 break;
3744 case DECL_NAMESPACE:
3745 D = NamespaceDecl::CreateDeserialized(Context, ID);
3746 break;
3747 case DECL_NAMESPACE_ALIAS:
3748 D = NamespaceAliasDecl::CreateDeserialized(Context, ID);
3749 break;
3750 case DECL_USING:
3751 D = UsingDecl::CreateDeserialized(Context, ID);
3752 break;
3753 case DECL_USING_PACK:
3754 D = UsingPackDecl::CreateDeserialized(Context, ID, Record.readInt());
3755 break;
3756 case DECL_USING_SHADOW:
3757 D = UsingShadowDecl::CreateDeserialized(Context, ID);
3758 break;
3759 case DECL_CONSTRUCTOR_USING_SHADOW:
3760 D = ConstructorUsingShadowDecl::CreateDeserialized(Context, ID);
3761 break;
3762 case DECL_USING_DIRECTIVE:
3763 D = UsingDirectiveDecl::CreateDeserialized(Context, ID);
3764 break;
3765 case DECL_UNRESOLVED_USING_VALUE:
3766 D = UnresolvedUsingValueDecl::CreateDeserialized(Context, ID);
3767 break;
3768 case DECL_UNRESOLVED_USING_TYPENAME:
3769 D = UnresolvedUsingTypenameDecl::CreateDeserialized(Context, ID);
3770 break;
3771 case DECL_CXX_RECORD:
3772 D = CXXRecordDecl::CreateDeserialized(Context, ID);
3773 break;
3774 case DECL_CXX_DEDUCTION_GUIDE:
3775 D = CXXDeductionGuideDecl::CreateDeserialized(Context, ID);
3776 break;
3777 case DECL_CXX_METHOD:
3778 D = CXXMethodDecl::CreateDeserialized(Context, ID);
3779 break;
3780 case DECL_CXX_CONSTRUCTOR:
3781 D = CXXConstructorDecl::CreateDeserialized(Context, ID, Record.readInt());
3782 break;
3783 case DECL_CXX_DESTRUCTOR:
3784 D = CXXDestructorDecl::CreateDeserialized(Context, ID);
3785 break;
3786 case DECL_CXX_CONVERSION:
3787 D = CXXConversionDecl::CreateDeserialized(Context, ID);
3788 break;
3789 case DECL_ACCESS_SPEC:
3790 D = AccessSpecDecl::CreateDeserialized(Context, ID);
3791 break;
3792 case DECL_FRIEND:
3793 D = FriendDecl::CreateDeserialized(Context, ID, Record.readInt());
3794 break;
3795 case DECL_FRIEND_TEMPLATE:
3796 D = FriendTemplateDecl::CreateDeserialized(Context, ID);
3797 break;
3798 case DECL_CLASS_TEMPLATE:
3799 D = ClassTemplateDecl::CreateDeserialized(Context, ID);
3800 break;
3801 case DECL_CLASS_TEMPLATE_SPECIALIZATION:
3802 D = ClassTemplateSpecializationDecl::CreateDeserialized(Context, ID);
3803 break;
3804 case DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION:
3805 D = ClassTemplatePartialSpecializationDecl::CreateDeserialized(Context, ID);
3806 break;
3807 case DECL_VAR_TEMPLATE:
3808 D = VarTemplateDecl::CreateDeserialized(Context, ID);
3809 break;
3810 case DECL_VAR_TEMPLATE_SPECIALIZATION:
3811 D = VarTemplateSpecializationDecl::CreateDeserialized(Context, ID);
3812 break;
3813 case DECL_VAR_TEMPLATE_PARTIAL_SPECIALIZATION:
3814 D = VarTemplatePartialSpecializationDecl::CreateDeserialized(Context, ID);
3815 break;
3816 case DECL_CLASS_SCOPE_FUNCTION_SPECIALIZATION:
3817 D = ClassScopeFunctionSpecializationDecl::CreateDeserialized(Context, ID);
3818 break;
3819 case DECL_FUNCTION_TEMPLATE:
3820 D = FunctionTemplateDecl::CreateDeserialized(Context, ID);
3821 break;
3822 case DECL_TEMPLATE_TYPE_PARM: {
3823 bool HasTypeConstraint = Record.readInt();
3824 D = TemplateTypeParmDecl::CreateDeserialized(Context, ID,
3825 HasTypeConstraint);
3826 break;
3827 }
3828 case DECL_NON_TYPE_TEMPLATE_PARM: {
3829 bool HasTypeConstraint = Record.readInt();
3830 D = NonTypeTemplateParmDecl::CreateDeserialized(Context, ID,
3831 HasTypeConstraint);
3832 break;
3833 }
3834 case DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK: {
3835 bool HasTypeConstraint = Record.readInt();
3836 D = NonTypeTemplateParmDecl::CreateDeserialized(Context, ID,
3837 Record.readInt(),
3838 HasTypeConstraint);
3839 break;
3840 }
3841 case DECL_TEMPLATE_TEMPLATE_PARM:
3842 D = TemplateTemplateParmDecl::CreateDeserialized(Context, ID);
3843 break;
3844 case DECL_EXPANDED_TEMPLATE_TEMPLATE_PARM_PACK:
3845 D = TemplateTemplateParmDecl::CreateDeserialized(Context, ID,
3846 Record.readInt());
3847 break;
3848 case DECL_TYPE_ALIAS_TEMPLATE:
3849 D = TypeAliasTemplateDecl::CreateDeserialized(Context, ID);
3850 break;
3851 case DECL_CONCEPT:
3852 D = ConceptDecl::CreateDeserialized(Context, ID);
3853 break;
3854 case DECL_REQUIRES_EXPR_BODY:
3855 D = RequiresExprBodyDecl::CreateDeserialized(Context, ID);
3856 break;
3857 case DECL_STATIC_ASSERT:
3858 D = StaticAssertDecl::CreateDeserialized(Context, ID);
3859 break;
3860 case DECL_OBJC_METHOD:
3861 D = ObjCMethodDecl::CreateDeserialized(Context, ID);
3862 break;
3863 case DECL_OBJC_INTERFACE:
3864 D = ObjCInterfaceDecl::CreateDeserialized(Context, ID);
3865 break;
3866 case DECL_OBJC_IVAR:
3867 D = ObjCIvarDecl::CreateDeserialized(Context, ID);
3868 break;
3869 case DECL_OBJC_PROTOCOL:
3870 D = ObjCProtocolDecl::CreateDeserialized(Context, ID);
3871 break;
3872 case DECL_OBJC_AT_DEFS_FIELD:
3873 D = ObjCAtDefsFieldDecl::CreateDeserialized(Context, ID);
3874 break;
3875 case DECL_OBJC_CATEGORY:
3876 D = ObjCCategoryDecl::CreateDeserialized(Context, ID);
3877 break;
3878 case DECL_OBJC_CATEGORY_IMPL:
3879 D = ObjCCategoryImplDecl::CreateDeserialized(Context, ID);
3880 break;
3881 case DECL_OBJC_IMPLEMENTATION:
3882 D = ObjCImplementationDecl::CreateDeserialized(Context, ID);
3883 break;
3884 case DECL_OBJC_COMPATIBLE_ALIAS:
3885 D = ObjCCompatibleAliasDecl::CreateDeserialized(Context, ID);
3886 break;
3887 case DECL_OBJC_PROPERTY:
3888 D = ObjCPropertyDecl::CreateDeserialized(Context, ID);
3889 break;
3890 case DECL_OBJC_PROPERTY_IMPL:
3891 D = ObjCPropertyImplDecl::CreateDeserialized(Context, ID);
3892 break;
3893 case DECL_FIELD:
3894 D = FieldDecl::CreateDeserialized(Context, ID);
3895 break;
3896 case DECL_INDIRECTFIELD:
3897 D = IndirectFieldDecl::CreateDeserialized(Context, ID);
3898 break;
3899 case DECL_VAR:
3900 D = VarDecl::CreateDeserialized(Context, ID);
3901 break;
3902 case DECL_IMPLICIT_PARAM:
3903 D = ImplicitParamDecl::CreateDeserialized(Context, ID);
3904 break;
3905 case DECL_PARM_VAR:
3906 D = ParmVarDecl::CreateDeserialized(Context, ID);
3907 break;
3908 case DECL_DECOMPOSITION:
3909 D = DecompositionDecl::CreateDeserialized(Context, ID, Record.readInt());
3910 break;
3911 case DECL_BINDING:
3912 D = BindingDecl::CreateDeserialized(Context, ID);
3913 break;
3914 case DECL_FILE_SCOPE_ASM:
3915 D = FileScopeAsmDecl::CreateDeserialized(Context, ID);
3916 break;
3917 case DECL_BLOCK:
3918 D = BlockDecl::CreateDeserialized(Context, ID);
3919 break;
3920 case DECL_MS_PROPERTY:
3921 D = MSPropertyDecl::CreateDeserialized(Context, ID);
3922 break;
3923 case DECL_CAPTURED:
3924 D = CapturedDecl::CreateDeserialized(Context, ID, Record.readInt());
3925 break;
3926 case DECL_CXX_BASE_SPECIFIERS:
3927 Error("attempt to read a C++ base-specifier record as a declaration");
3928 return nullptr;
3929 case DECL_CXX_CTOR_INITIALIZERS:
3930 Error("attempt to read a C++ ctor initializer record as a declaration");
3931 return nullptr;
3932 case DECL_IMPORT:
3933 // Note: last entry of the ImportDecl record is the number of stored source
3934 // locations.
3935 D = ImportDecl::CreateDeserialized(Context, ID, Record.back());
3936 break;
3937 case DECL_OMP_THREADPRIVATE:
3938 D = OMPThreadPrivateDecl::CreateDeserialized(Context, ID, Record.readInt());
3939 break;
3940 case DECL_OMP_ALLOCATE: {
3941 unsigned NumVars = Record.readInt();
3942 unsigned NumClauses = Record.readInt();
3943 D = OMPAllocateDecl::CreateDeserialized(Context, ID, NumVars, NumClauses);
3944 break;
3945 }
3946 case DECL_OMP_REQUIRES:
3947 D = OMPRequiresDecl::CreateDeserialized(Context, ID, Record.readInt());
3948 break;
3949 case DECL_OMP_DECLARE_REDUCTION:
3950 D = OMPDeclareReductionDecl::CreateDeserialized(Context, ID);
3951 break;
3952 case DECL_OMP_DECLARE_MAPPER:
3953 D = OMPDeclareMapperDecl::CreateDeserialized(Context, ID, Record.readInt());
3954 break;
3955 case DECL_OMP_CAPTUREDEXPR:
3956 D = OMPCapturedExprDecl::CreateDeserialized(Context, ID);
3957 break;
3958 case DECL_PRAGMA_COMMENT:
3959 D = PragmaCommentDecl::CreateDeserialized(Context, ID, Record.readInt());
3960 break;
3961 case DECL_PRAGMA_DETECT_MISMATCH:
3962 D = PragmaDetectMismatchDecl::CreateDeserialized(Context, ID,
3963 Record.readInt());
3964 break;
3965 case DECL_EMPTY:
3966 D = EmptyDecl::CreateDeserialized(Context, ID);
3967 break;
3968 case DECL_LIFETIME_EXTENDED_TEMPORARY:
3969 D = LifetimeExtendedTemporaryDecl::CreateDeserialized(Context, ID);
3970 break;
3971 case DECL_OBJC_TYPE_PARAM:
3972 D = ObjCTypeParamDecl::CreateDeserialized(Context, ID);
3973 break;
3974 }
3975
3976 assert(D && "Unknown declaration reading AST file");
3977 LoadedDecl(Index, D);
3978 // Set the DeclContext before doing any deserialization, to make sure internal
3979 // calls to Decl::getASTContext() by Decl's methods will find the
3980 // TranslationUnitDecl without crashing.
3981 D->setDeclContext(Context.getTranslationUnitDecl());
3982 Reader.Visit(D);
3983
3984 // If this declaration is also a declaration context, get the
3985 // offsets for its tables of lexical and visible declarations.
3986 if (auto *DC = dyn_cast<DeclContext>(D)) {
3987 std::pair<uint64_t, uint64_t> Offsets = Reader.VisitDeclContext(DC);
3988 if (Offsets.first &&
3989 ReadLexicalDeclContextStorage(*Loc.F, DeclsCursor, Offsets.first, DC))
3990 return nullptr;
3991 if (Offsets.second &&
3992 ReadVisibleDeclContextStorage(*Loc.F, DeclsCursor, Offsets.second, ID))
3993 return nullptr;
3994 }
3995 assert(Record.getIdx() == Record.size());
3996
3997 // Load any relevant update records.
3998 PendingUpdateRecords.push_back(
3999 PendingUpdateRecord(ID, D, /*JustLoaded=*/true));
4000
4001 // Load the categories after recursive loading is finished.
4002 if (auto *Class = dyn_cast<ObjCInterfaceDecl>(D))
4003 // If we already have a definition when deserializing the ObjCInterfaceDecl,
4004 // we put the Decl in PendingDefinitions so we can pull the categories here.
4005 if (Class->isThisDeclarationADefinition() ||
4006 PendingDefinitions.count(Class))
4007 loadObjCCategories(ID, Class);
4008
4009 // If we have deserialized a declaration that has a definition the
4010 // AST consumer might need to know about, queue it.
4011 // We don't pass it to the consumer immediately because we may be in recursive
4012 // loading, and some declarations may still be initializing.
4013 PotentiallyInterestingDecls.push_back(
4014 InterestingDecl(D, Reader.hasPendingBody()));
4015
4016 return D;
4017 }
4018
4019 void ASTReader::PassInterestingDeclsToConsumer() {
4020 assert(Consumer);
4021
4022 if (PassingDeclsToConsumer)
4023 return;
4024
4025 // Guard variable to avoid recursively redoing the process of passing
4026 // decls to consumer.
4027 SaveAndRestore<bool> GuardPassingDeclsToConsumer(PassingDeclsToConsumer,
4028 true);
4029
4030 // Ensure that we've loaded all potentially-interesting declarations
4031 // that need to be eagerly loaded.
4032 for (auto ID : EagerlyDeserializedDecls)
4033 GetDecl(ID);
4034 EagerlyDeserializedDecls.clear();
4035
4036 while (!PotentiallyInterestingDecls.empty()) {
4037 InterestingDecl D = PotentiallyInterestingDecls.front();
4038 PotentiallyInterestingDecls.pop_front();
4039 if (isConsumerInterestedIn(getContext(), D.getDecl(), D.hasPendingBody()))
4040 PassInterestingDeclToConsumer(D.getDecl());
4041 }
4042 }
4043
4044 void ASTReader::loadDeclUpdateRecords(PendingUpdateRecord &Record) {
4045 // The declaration may have been modified by files later in the chain.
4046 // If this is the case, read the record containing the updates from each file
4047 // and pass it to ASTDeclReader to make the modifications.
4048 serialization::GlobalDeclID ID = Record.ID;
4049 Decl *D = Record.D;
4050 ProcessingUpdatesRAIIObj ProcessingUpdates(*this);
4051 DeclUpdateOffsetsMap::iterator UpdI = DeclUpdateOffsets.find(ID);
4052
4053 SmallVector<serialization::DeclID, 8> PendingLazySpecializationIDs;
4054
4055 if (UpdI != DeclUpdateOffsets.end()) {
4056 auto UpdateOffsets = std::move(UpdI->second);
4057 DeclUpdateOffsets.erase(UpdI);
4058
4059 // Check if this decl was interesting to the consumer. If we just loaded
4060 // the declaration, then we know it was interesting and we skip the call
4061 // to isConsumerInterestedIn because it is unsafe to call in the
4062 // current ASTReader state.
4063 bool WasInteresting =
4064 Record.JustLoaded || isConsumerInterestedIn(getContext(), D, false);
4065 for (auto &FileAndOffset : UpdateOffsets) {
4066 ModuleFile *F = FileAndOffset.first;
4067 uint64_t Offset = FileAndOffset.second;
4068 llvm::BitstreamCursor &Cursor = F->DeclsCursor;
4069 SavedStreamPosition SavedPosition(Cursor);
4070 if (llvm::Error JumpFailed = Cursor.JumpToBit(Offset))
4071 // FIXME don't do a fatal error.
4072 llvm::report_fatal_error(
4073 "ASTReader::loadDeclUpdateRecords failed jumping: " +
4074 toString(std::move(JumpFailed)));
4075 Expected<unsigned> MaybeCode = Cursor.ReadCode();
4076 if (!MaybeCode)
4077 llvm::report_fatal_error(
4078 "ASTReader::loadDeclUpdateRecords failed reading code: " +
4079 toString(MaybeCode.takeError()));
4080 unsigned Code = MaybeCode.get();
4081 ASTRecordReader Record(*this, *F);
4082 if (Expected<unsigned> MaybeRecCode = Record.readRecord(Cursor, Code))
4083 assert(MaybeRecCode.get() == DECL_UPDATES &&
4084 "Expected DECL_UPDATES record!");
4085 else
4086 llvm::report_fatal_error(
4087 "ASTReader::loadDeclUpdateRecords failed reading rec code: " +
4088 toString(MaybeCode.takeError()));
4089
4090 ASTDeclReader Reader(*this, Record, RecordLocation(F, Offset), ID,
4091 SourceLocation());
4092 Reader.UpdateDecl(D, PendingLazySpecializationIDs);
4093
4094 // We might have made this declaration interesting. If so, remember that
4095 // we need to hand it off to the consumer.
4096 if (!WasInteresting &&
4097 isConsumerInterestedIn(getContext(), D, Reader.hasPendingBody())) {
4098 PotentiallyInterestingDecls.push_back(
4099 InterestingDecl(D, Reader.hasPendingBody()));
4100 WasInteresting = true;
4101 }
4102 }
4103 }
4104 // Add the lazy specializations to the template.
4105 assert((PendingLazySpecializationIDs.empty() || isa<ClassTemplateDecl>(D) ||
4106 isa<FunctionTemplateDecl>(D) || isa<VarTemplateDecl>(D)) &&
4107 "Must not have pending specializations");
4108 if (auto *CTD = dyn_cast<ClassTemplateDecl>(D))
4109 ASTDeclReader::AddLazySpecializations(CTD, PendingLazySpecializationIDs);
4110 else if (auto *FTD = dyn_cast<FunctionTemplateDecl>(D))
4111 ASTDeclReader::AddLazySpecializations(FTD, PendingLazySpecializationIDs);
4112 else if (auto *VTD = dyn_cast<VarTemplateDecl>(D))
4113 ASTDeclReader::AddLazySpecializations(VTD, PendingLazySpecializationIDs);
4114 PendingLazySpecializationIDs.clear();
4115
4116 // Load the pending visible updates for this decl context, if it has any.
4117 auto I = PendingVisibleUpdates.find(ID);
4118 if (I != PendingVisibleUpdates.end()) {
4119 auto VisibleUpdates = std::move(I->second);
4120 PendingVisibleUpdates.erase(I);
4121
4122 auto *DC = cast<DeclContext>(D)->getPrimaryContext();
4123 for (const auto &Update : VisibleUpdates)
4124 Lookups[DC].Table.add(
4125 Update.Mod, Update.Data,
4126 reader::ASTDeclContextNameLookupTrait(*this, *Update.Mod));
4127 DC->setHasExternalVisibleStorage(true);
4128 }
4129 }
4130
4131 void ASTReader::loadPendingDeclChain(Decl *FirstLocal, uint64_t LocalOffset) {
4132 // Attach FirstLocal to the end of the decl chain.
4133 Decl *CanonDecl = FirstLocal->getCanonicalDecl();
4134 if (FirstLocal != CanonDecl) {
4135 Decl *PrevMostRecent = ASTDeclReader::getMostRecentDecl(CanonDecl);
4136 ASTDeclReader::attachPreviousDecl(
4137 *this, FirstLocal, PrevMostRecent ? PrevMostRecent : CanonDecl,
4138 CanonDecl);
4139 }
4140
4141 if (!LocalOffset) {
4142 ASTDeclReader::attachLatestDecl(CanonDecl, FirstLocal);
4143 return;
4144 }
4145
4146 // Load the list of other redeclarations from this module file.
4147 ModuleFile *M = getOwningModuleFile(FirstLocal);
4148 assert(M && "imported decl from no module file");
4149
4150 llvm::BitstreamCursor &Cursor = M->DeclsCursor;
4151 SavedStreamPosition SavedPosition(Cursor);
4152 if (llvm::Error JumpFailed = Cursor.JumpToBit(LocalOffset))
4153 llvm::report_fatal_error(
4154 "ASTReader::loadPendingDeclChain failed jumping: " +
4155 toString(std::move(JumpFailed)));
4156
4157 RecordData Record;
4158 Expected<unsigned> MaybeCode = Cursor.ReadCode();
4159 if (!MaybeCode)
4160 llvm::report_fatal_error(
4161 "ASTReader::loadPendingDeclChain failed reading code: " +
4162 toString(MaybeCode.takeError()));
4163 unsigned Code = MaybeCode.get();
4164 if (Expected<unsigned> MaybeRecCode = Cursor.readRecord(Code, Record))
4165 assert(MaybeRecCode.get() == LOCAL_REDECLARATIONS &&
4166 "expected LOCAL_REDECLARATIONS record!");
4167 else
4168 llvm::report_fatal_error(
4169 "ASTReader::loadPendingDeclChain failed reading rec code: " +
4170 toString(MaybeCode.takeError()));
4171
4172 // FIXME: We have several different dispatches on decl kind here; maybe
4173 // we should instead generate one loop per kind and dispatch up-front?
4174 Decl *MostRecent = FirstLocal;
4175 for (unsigned I = 0, N = Record.size(); I != N; ++I) {
4176 auto *D = GetLocalDecl(*M, Record[N - I - 1]);
4177 ASTDeclReader::attachPreviousDecl(*this, D, MostRecent, CanonDecl);
4178 MostRecent = D;
4179 }
4180 ASTDeclReader::attachLatestDecl(CanonDecl, MostRecent);
4181 }
4182
4183 namespace {
4184
4185 /// Given an ObjC interface, goes through the modules and links to the
4186 /// interface all the categories for it.
4187 class ObjCCategoriesVisitor {
4188 ASTReader &Reader;
4189 ObjCInterfaceDecl *Interface;
4190 llvm::SmallPtrSetImpl<ObjCCategoryDecl *> &Deserialized;
4191 ObjCCategoryDecl *Tail = nullptr;
4192 llvm::DenseMap<DeclarationName, ObjCCategoryDecl *> NameCategoryMap;
4193 serialization::GlobalDeclID InterfaceID;
4194 unsigned PreviousGeneration;
4195
4196 void add(ObjCCategoryDecl *Cat) {
4197 // Only process each category once.
4198 if (!Deserialized.erase(Cat))
4199 return;
4200
4201 // Check for duplicate categories.
4202 if (Cat->getDeclName()) {
4203 ObjCCategoryDecl *&Existing = NameCategoryMap[Cat->getDeclName()];
4204 if (Existing &&
4205 Reader.getOwningModuleFile(Existing)
4206 != Reader.getOwningModuleFile(Cat)) {
4207 // FIXME: We should not warn for duplicates in diamond:
4208 //
4209 // MT //
4210 // / \ //
4211 // ML MR //
4212 // \ / //
4213 // MB //
4214 //
4215 // If there are duplicates in ML/MR, there will be warning when
4216 // creating MB *and* when importing MB. We should not warn when
4217 // importing.
4218 Reader.Diag(Cat->getLocation(), diag::warn_dup_category_def)
4219 << Interface->getDeclName() << Cat->getDeclName();
4220 Reader.Diag(Existing->getLocation(), diag::note_previous_definition);
4221 } else if (!Existing) {
4222 // Record this category.
4223 Existing = Cat;
4224 }
4225 }
4226
4227 // Add this category to the end of the chain.
4228 if (Tail)
4229 ASTDeclReader::setNextObjCCategory(Tail, Cat);
4230 else
4231 Interface->setCategoryListRaw(Cat);
4232 Tail = Cat;
4233 }
4234
4235 public:
4236 ObjCCategoriesVisitor(ASTReader &Reader,
4237 ObjCInterfaceDecl *Interface,
4238 llvm::SmallPtrSetImpl<ObjCCategoryDecl *> &Deserialized,
4239 serialization::GlobalDeclID InterfaceID,
4240 unsigned PreviousGeneration)
4241 : Reader(Reader), Interface(Interface), Deserialized(Deserialized),
4242 InterfaceID(InterfaceID), PreviousGeneration(PreviousGeneration) {
4243 // Populate the name -> category map with the set of known categories.
4244 for (auto *Cat : Interface->known_categories()) {
4245 if (Cat->getDeclName())
4246 NameCategoryMap[Cat->getDeclName()] = Cat;
4247
4248 // Keep track of the tail of the category list.
4249 Tail = Cat;
4250 }
4251 }
4252
4253 bool operator()(ModuleFile &M) {
4254 // If we've loaded all of the category information we care about from
4255 // this module file, we're done.
4256 if (M.Generation <= PreviousGeneration)
4257 return true;
4258
4259 // Map global ID of the definition down to the local ID used in this
4260 // module file. If there is no such mapping, we'll find nothing here
4261 // (or in any module it imports).
4262 DeclID LocalID = Reader.mapGlobalIDToModuleFileGlobalID(M, InterfaceID);
4263 if (!LocalID)
4264 return true;
4265
4266 // Perform a binary search to find the local redeclarations for this
4267 // declaration (if any).
4268 const ObjCCategoriesInfo Compare = { LocalID, 0 };
4269 const ObjCCategoriesInfo *Result
4270 = std::lower_bound(M.ObjCCategoriesMap,
4271 M.ObjCCategoriesMap + M.LocalNumObjCCategoriesInMap,
4272 Compare);
4273 if (Result == M.ObjCCategoriesMap + M.LocalNumObjCCategoriesInMap ||
4274 Result->DefinitionID != LocalID) {
4275 // We didn't find anything. If the class definition is in this module
4276 // file, then the module files it depends on cannot have any categories,
4277 // so suppress further lookup.
4278 return Reader.isDeclIDFromModule(InterfaceID, M);
4279 }
4280
4281 // We found something. Dig out all of the categories.
4282 unsigned Offset = Result->Offset;
4283 unsigned N = M.ObjCCategories[Offset];
4284 M.ObjCCategories[Offset++] = 0; // Don't try to deserialize again
4285 for (unsigned I = 0; I != N; ++I)
4286 add(cast_or_null<ObjCCategoryDecl>(
4287 Reader.GetLocalDecl(M, M.ObjCCategories[Offset++])));
4288 return true;
4289 }
4290 };
4291
4292 } // namespace
4293
4294 void ASTReader::loadObjCCategories(serialization::GlobalDeclID ID,
4295 ObjCInterfaceDecl *D,
4296 unsigned PreviousGeneration) {
4297 ObjCCategoriesVisitor Visitor(*this, D, CategoriesDeserialized, ID,
4298 PreviousGeneration);
4299 ModuleMgr.visit(Visitor);
4300 }
4301
4302 template<typename DeclT, typename Fn>
4303 static void forAllLaterRedecls(DeclT *D, Fn F) {
4304 F(D);
4305
4306 // Check whether we've already merged D into its redeclaration chain.
4307 // MostRecent may or may not be nullptr if D has not been merged. If
4308 // not, walk the merged redecl chain and see if it's there.
4309 auto *MostRecent = D->getMostRecentDecl();
4310 bool Found = false;
4311 for (auto *Redecl = MostRecent; Redecl && !Found;
4312 Redecl = Redecl->getPreviousDecl())
4313 Found = (Redecl == D);
4314
4315 // If this declaration is merged, apply the functor to all later decls.
4316 if (Found) {
4317 for (auto *Redecl = MostRecent; Redecl != D;
4318 Redecl = Redecl->getPreviousDecl())
4319 F(Redecl);
4320 }
4321 }
4322
4323 void ASTDeclReader::UpdateDecl(Decl *D,
4324 llvm::SmallVectorImpl<serialization::DeclID> &PendingLazySpecializationIDs) {
4325 while (Record.getIdx() < Record.size()) {
4326 switch ((DeclUpdateKind)Record.readInt()) {
4327 case UPD_CXX_ADDED_IMPLICIT_MEMBER: {
4328 auto *RD = cast<CXXRecordDecl>(D);
4329 // FIXME: If we also have an update record for instantiating the
4330 // definition of D, we need that to happen before we get here.
4331 Decl *MD = Record.readDecl();
4332 assert(MD && "couldn't read decl from update record");
4333 // FIXME: We should call addHiddenDecl instead, to add the member
4334 // to its DeclContext.
4335 RD->addedMember(MD);
4336 break;
4337 }
4338
4339 case UPD_CXX_ADDED_TEMPLATE_SPECIALIZATION:
4340 // It will be added to the template's lazy specialization set.
4341 PendingLazySpecializationIDs.push_back(readDeclID());
4342 break;
4343
4344 case UPD_CXX_ADDED_ANONYMOUS_NAMESPACE: {
4345 auto *Anon = readDeclAs<NamespaceDecl>();
4346
4347 // Each module has its own anonymous namespace, which is disjoint from
4348 // any other module's anonymous namespaces, so don't attach the anonymous
4349 // namespace at all.
4350 if (!Record.isModule()) {
4351 if (auto *TU = dyn_cast<TranslationUnitDecl>(D))
4352 TU->setAnonymousNamespace(Anon);
4353 else
4354 cast<NamespaceDecl>(D)->setAnonymousNamespace(Anon);
4355 }
4356 break;
4357 }
4358
4359 case UPD_CXX_ADDED_VAR_DEFINITION: {
4360 auto *VD = cast<VarDecl>(D);
4361 VD->NonParmVarDeclBits.IsInline = Record.readInt();
4362 VD->NonParmVarDeclBits.IsInlineSpecified = Record.readInt();
4363 uint64_t Val = Record.readInt();
4364 if (Val && !VD->getInit()) {
4365 VD->setInit(Record.readExpr());
4366 if (Val > 1) { // IsInitKnownICE = 1, IsInitNotICE = 2, IsInitICE = 3
4367 EvaluatedStmt *Eval = VD->ensureEvaluatedStmt();
4368 Eval->CheckedICE = true;
4369 Eval->IsICE = Val == 3;
4370 }
4371 }
4372 break;
4373 }
4374
4375 case UPD_CXX_POINT_OF_INSTANTIATION: {
4376 SourceLocation POI = Record.readSourceLocation();
4377 if (auto *VTSD = dyn_cast<VarTemplateSpecializationDecl>(D)) {
4378 VTSD->setPointOfInstantiation(POI);
4379 } else if (auto *VD = dyn_cast<VarDecl>(D)) {
4380 VD->getMemberSpecializationInfo()->setPointOfInstantiation(POI);
4381 } else {
4382 auto *FD = cast<FunctionDecl>(D);
4383 if (auto *FTSInfo = FD->TemplateOrSpecialization
4384 .dyn_cast<FunctionTemplateSpecializationInfo *>())
4385 FTSInfo->setPointOfInstantiation(POI);
4386 else
4387 FD->TemplateOrSpecialization.get<MemberSpecializationInfo *>()
4388 ->setPointOfInstantiation(POI);
4389 }
4390 break;
4391 }
4392
4393 case UPD_CXX_INSTANTIATED_DEFAULT_ARGUMENT: {
4394 auto *Param = cast<ParmVarDecl>(D);
4395
4396 // We have to read the default argument regardless of whether we use it
4397 // so that hypothetical further update records aren't messed up.
4398 // TODO: Add a function to skip over the next expr record.
4399 auto *DefaultArg = Record.readExpr();
4400
4401 // Only apply the update if the parameter still has an uninstantiated
4402 // default argument.
4403 if (Param->hasUninstantiatedDefaultArg())
4404 Param->setDefaultArg(DefaultArg);
4405 break;
4406 }
4407
4408 case UPD_CXX_INSTANTIATED_DEFAULT_MEMBER_INITIALIZER: {
4409 auto *FD = cast<FieldDecl>(D);
4410 auto *DefaultInit = Record.readExpr();
4411
4412 // Only apply the update if the field still has an uninstantiated
4413 // default member initializer.
4414 if (FD->hasInClassInitializer() && !FD->getInClassInitializer()) {
4415 if (DefaultInit)
4416 FD->setInClassInitializer(DefaultInit);
4417 else
4418 // Instantiation failed. We can get here if we serialized an AST for
4419 // an invalid program.
4420 FD->removeInClassInitializer();
4421 }
4422 break;
4423 }
4424
4425 case UPD_CXX_ADDED_FUNCTION_DEFINITION: {
4426 auto *FD = cast<FunctionDecl>(D);
4427 if (Reader.PendingBodies[FD]) {
4428 // FIXME: Maybe check for ODR violations.
4429 // It's safe to stop now because this update record is always last.
4430 return;
4431 }
4432
4433 if (Record.readInt()) {
4434 // Maintain AST consistency: any later redeclarations of this function
4435 // are inline if this one is. (We might have merged another declaration
4436 // into this one.)
4437 forAllLaterRedecls(FD, [](FunctionDecl *FD) {
4438 FD->setImplicitlyInline();
4439 });
4440 }
4441 FD->setInnerLocStart(readSourceLocation());
4442 ReadFunctionDefinition(FD);
4443 assert(Record.getIdx() == Record.size() && "lazy body must be last");
4444 break;
4445 }
4446
4447 case UPD_CXX_INSTANTIATED_CLASS_DEFINITION: {
4448 auto *RD = cast<CXXRecordDecl>(D);
4449 auto *OldDD = RD->getCanonicalDecl()->DefinitionData;
4450 bool HadRealDefinition =
4451 OldDD && (OldDD->Definition != RD ||
4452 !Reader.PendingFakeDefinitionData.count(OldDD));
4453 RD->setParamDestroyedInCallee(Record.readInt());
4454 RD->setArgPassingRestrictions(
4455 (RecordDecl::ArgPassingKind)Record.readInt());
4456 ReadCXXRecordDefinition(RD, /*Update*/true);
4457
4458 // Visible update is handled separately.
4459 uint64_t LexicalOffset = ReadLocalOffset();
4460 if (!HadRealDefinition && LexicalOffset) {
4461 Record.readLexicalDeclContextStorage(LexicalOffset, RD);
4462 Reader.PendingFakeDefinitionData.erase(OldDD);
4463 }
4464
4465 auto TSK = (TemplateSpecializationKind)Record.readInt();
4466 SourceLocation POI = readSourceLocation();
4467 if (MemberSpecializationInfo *MSInfo =
4468 RD->getMemberSpecializationInfo()) {
4469 MSInfo->setTemplateSpecializationKind(TSK);
4470 MSInfo->setPointOfInstantiation(POI);
4471 } else {
4472 auto *Spec = cast<ClassTemplateSpecializationDecl>(RD);
4473 Spec->setTemplateSpecializationKind(TSK);
4474 Spec->setPointOfInstantiation(POI);
4475
4476 if (Record.readInt()) {
4477 auto *PartialSpec =
4478 readDeclAs<ClassTemplatePartialSpecializationDecl>();
4479 SmallVector<TemplateArgument, 8> TemplArgs;
4480 Record.readTemplateArgumentList(TemplArgs);
4481 auto *TemplArgList = TemplateArgumentList::CreateCopy(
4482 Reader.getContext(), TemplArgs);
4483
4484 // FIXME: If we already have a partial specialization set,
4485 // check that it matches.
4486 if (!Spec->getSpecializedTemplateOrPartial()
4487 .is<ClassTemplatePartialSpecializationDecl *>())
4488 Spec->setInstantiationOf(PartialSpec, TemplArgList);
4489 }
4490 }
4491
4492 RD->setTagKind((TagTypeKind)Record.readInt());
4493 RD->setLocation(readSourceLocation());
4494 RD->setLocStart(readSourceLocation());
4495 RD->setBraceRange(readSourceRange());
4496
4497 if (Record.readInt()) {
4498 AttrVec Attrs;
4499 Record.readAttributes(Attrs);
4500 // If the declaration already has attributes, we assume that some other
4501 // AST file already loaded them.
4502 if (!D->hasAttrs())
4503 D->setAttrsImpl(Attrs, Reader.getContext());
4504 }
4505 break;
4506 }
4507
4508 case UPD_CXX_RESOLVED_DTOR_DELETE: {
4509 // Set the 'operator delete' directly to avoid emitting another update
4510 // record.
4511 auto *Del = readDeclAs<FunctionDecl>();
4512 auto *First = cast<CXXDestructorDecl>(D->getCanonicalDecl());
4513 auto *ThisArg = Record.readExpr();
4514 // FIXME: Check consistency if we have an old and new operator delete.
4515 if (!First->OperatorDelete) {
4516 First->OperatorDelete = Del;
4517 First->OperatorDeleteThisArg = ThisArg;
4518 }
4519 break;
4520 }
4521
4522 case UPD_CXX_RESOLVED_EXCEPTION_SPEC: {
4523 SmallVector<QualType, 8> ExceptionStorage;
4524 auto ESI = Record.readExceptionSpecInfo(ExceptionStorage);
4525
4526 // Update this declaration's exception specification, if needed.
4527 auto *FD = cast<FunctionDecl>(D);
4528 auto *FPT = FD->getType()->castAs<FunctionProtoType>();
4529 // FIXME: If the exception specification is already present, check that it
4530 // matches.
4531 if (isUnresolvedExceptionSpec(FPT->getExceptionSpecType())) {
4532 FD->setType(Reader.getContext().getFunctionType(
4533 FPT->getReturnType(), FPT->getParamTypes(),
4534 FPT->getExtProtoInfo().withExceptionSpec(ESI)));
4535
4536 // When we get to the end of deserializing, see if there are other decls
4537 // that we need to propagate this exception specification onto.
4538 Reader.PendingExceptionSpecUpdates.insert(
4539 std::make_pair(FD->getCanonicalDecl(), FD));
4540 }
4541 break;
4542 }
4543
4544 case UPD_CXX_DEDUCED_RETURN_TYPE: {
4545 auto *FD = cast<FunctionDecl>(D);
4546 QualType DeducedResultType = Record.readType();
4547 Reader.PendingDeducedTypeUpdates.insert(
4548 {FD->getCanonicalDecl(), DeducedResultType});
4549 break;
4550 }
4551
4552 case UPD_DECL_MARKED_USED:
4553 // Maintain AST consistency: any later redeclarations are used too.
4554 D->markUsed(Reader.getContext());
4555 break;
4556
4557 case UPD_MANGLING_NUMBER:
4558 Reader.getContext().setManglingNumber(cast<NamedDecl>(D),
4559 Record.readInt());
4560 break;
4561
4562 case UPD_STATIC_LOCAL_NUMBER:
4563 Reader.getContext().setStaticLocalNumber(cast<VarDecl>(D),
4564 Record.readInt());
4565 break;
4566
4567 case UPD_DECL_MARKED_OPENMP_THREADPRIVATE:
4568 D->addAttr(OMPThreadPrivateDeclAttr::CreateImplicit(
4569 Reader.getContext(), readSourceRange(),
4570 AttributeCommonInfo::AS_Pragma));
4571 break;
4572
4573 case UPD_DECL_MARKED_OPENMP_ALLOCATE: {
4574 auto AllocatorKind =
4575 static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(Record.readInt());
4576 Expr *Allocator = Record.readExpr();
4577 SourceRange SR = readSourceRange();
4578 D->addAttr(OMPAllocateDeclAttr::CreateImplicit(
4579 Reader.getContext(), AllocatorKind, Allocator, SR,
4580 AttributeCommonInfo::AS_Pragma));
4581 break;
4582 }
4583
4584 case UPD_DECL_EXPORTED: {
4585 unsigned SubmoduleID = readSubmoduleID();
4586 auto *Exported = cast<NamedDecl>(D);
4587 Module *Owner = SubmoduleID ? Reader.getSubmodule(SubmoduleID) : nullptr;
4588 Reader.getContext().mergeDefinitionIntoModule(Exported, Owner);
4589 Reader.PendingMergedDefinitionsToDeduplicate.insert(Exported);
4590 break;
4591 }
4592
4593 case UPD_DECL_MARKED_OPENMP_DECLARETARGET: {
4594 OMPDeclareTargetDeclAttr::MapTypeTy MapType =
4595 static_cast<OMPDeclareTargetDeclAttr::MapTypeTy>(Record.readInt());
4596 OMPDeclareTargetDeclAttr::DevTypeTy DevType =
4597 static_cast<OMPDeclareTargetDeclAttr::DevTypeTy>(Record.readInt());
4598 D->addAttr(OMPDeclareTargetDeclAttr::CreateImplicit(
4599 Reader.getContext(), MapType, DevType, readSourceRange(),
4600 AttributeCommonInfo::AS_Pragma));
4601 break;
4602 }
4603
4604 case UPD_ADDED_ATTR_TO_RECORD:
4605 AttrVec Attrs;
4606 Record.readAttributes(Attrs);
4607 assert(Attrs.size() == 1);
4608 D->addAttr(Attrs[0]);
4609 break;
4610 }
4611 }
4612 }
clang::serialization::DECL_EMPTY
An EmptyDecl record.
Definition: ASTBitCodes.h:1401
clang::ASTDeclReader::VisitTypedefNameDecl
RedeclarableResult VisitTypedefNameDecl(TypedefNameDecl *TD)
Definition: ASTReaderDecl.cpp:670
clang::ASTDeclReader::VisitTypeDecl
void VisitTypeDecl(TypeDecl *TD)
Definition: ASTReaderDecl.cpp:662
clang::ObjCCategoryDecl::setCategoryNameLoc
void setCategoryNameLoc(SourceLocation Loc)
Definition: DeclObjC.h:2428
clang::serialization::DECL_FRIEND_TEMPLATE
A FriendTemplateDecl record.
Definition: ASTBitCodes.h:1326
clang::FunctionDecl::setHasSkippedBody
void setHasSkippedBody(bool Skipped=true)
Definition: Decl.h:2342
clang::Builtin::ID
ID
Definition: Builtins.h:46
ASTContext.h
Defines the clang::ASTContext interface.
clang::serialization::DECL_NON_TYPE_TEMPLATE_PARM
A NonTypeTemplateParmDecl record.
Definition: ASTBitCodes.h:1353
ASTReaderInternals.h
clang::isUndeducedReturnType
static bool isUndeducedReturnType(QualType T)
Definition: ASTReaderDecl.cpp:3508
clang::ParmVarDecl::setScopeInfo
void setScopeInfo(unsigned scopeDepth, unsigned parameterIndex)
Definition: Decl.h:1628
clang::ASTReader::GetLocalDecl
Decl * GetLocalDecl(ModuleFile &F, uint32_t LocalID)
Reads a declaration with the given local ID in the given module.
Definition: ASTReader.h:1813
clang::ASTRecordReader::readSourceLocation
SourceLocation readSourceLocation()
Read a source location, advancing Idx.
Definition: ASTRecordReader.h:265
clang::ASTDeclReader::VisitClassScopeFunctionSpecializationDecl
void VisitClassScopeFunctionSpecializationDecl(ClassScopeFunctionSpecializationDecl *D)
Definition: ASTReaderDecl.cpp:2212
getCanonicalDecl
static const Decl * getCanonicalDecl(const Decl *D)
Definition: IndexingContext.cpp:292
clang::Decl::setImplicit
void setImplicit(bool I=true)
Definition: DeclBase.h:559
clang::FunctionDecl
Represents a function declaration or definition.
Definition: Decl.h:1783
clang::ObjCPropertyImplDecl::setGetterMethodDecl
void setGetterMethodDecl(ObjCMethodDecl *MD)
Definition: DeclObjC.h:2869
clang::OMPDeclareReductionDecl::setInitializerData
void setInitializerData(Expr *OrigE, Expr *PrivE)
Set initializer Orig and Priv vars.
Definition: DeclOpenMP.h:188
clang::RecordDecl::setNonTrivialToPrimitiveDestroy
void setNonTrivialToPrimitiveDestroy(bool V)
Definition: Decl.h:3867
clang::ASTDeclReader::VisitVarDecl
void VisitVarDecl(VarDecl *VD)
Definition: ASTReaderDecl.cpp:370
clang::RecordDecl::setAnonymousStructOrUnion
void setAnonymousStructOrUnion(bool Anon)
Definition: Decl.h:3825
clang::BlockDecl::Capture
A class which contains all the information about a particular captured value.
Definition: Decl.h:4043
clang::ImportDecl::CreateDeserialized
static ImportDecl * CreateDeserialized(ASTContext &C, unsigned ID, unsigned NumLocations)
Create a new, deserialized module import declaration.
Definition: Decl.cpp:4955
clang::ASTDeclReader::VisitImportDecl
void VisitImportDecl(ImportDecl *D)
Definition: ASTReaderDecl.cpp:1981
clang::QualType
A (possibly-)qualified type.
Definition: Type.h:654
clang::ASTDeclReader::mergeMergeable
void mergeMergeable(Mergeable< T > *D)
Attempts to merge the given declaration (D) with another declaration of the same entity, for the case where the entity is not actually redeclarable.
Definition: ASTReaderDecl.cpp:2625
clang::ObjCIvarDecl::CreateDeserialized
static ObjCIvarDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclObjC.cpp:1809
clang::SD_Static
Static storage duration.
Definition: Specifiers.h:310
clang::TemplateTypeParmDecl::setDefaultArgument
void setDefaultArgument(TypeSourceInfo *DefArg)
Set the default argument for this template parameter.
Definition: DeclTemplate.h:1270
clang::TagDecl::setCompleteDefinition
void setCompleteDefinition(bool V=true)
True if this decl has its body fully specified.
Definition: Decl.h:3327
clang::ASTDeclReader::VisitUsingDecl
void VisitUsingDecl(UsingDecl *D)
Definition: ASTReaderDecl.cpp:1611
clang::serialization::DECL_TYPEDEF
A TypedefDecl record.
Definition: ASTBitCodes.h:1166
clang::UnresolvedUsingValueDecl::CreateDeserialized
static UnresolvedUsingValueDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:2988
clang::VarDecl::CreateDeserialized
static VarDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: Decl.cpp:1987
clang::ObjCPropertyDecl::setLParenLoc
void setLParenLoc(SourceLocation L)
Definition: DeclObjC.h:838
clang::IdentifierResolver::tryAddTopLevelDecl
bool tryAddTopLevelDecl(NamedDecl *D, DeclarationName Name)
Try to add the given declaration to the top level scope, if it (or a redeclaration of it) hasn&#39;t alre...
Definition: IdentifierResolver.cpp:302
clang::ASTDeclReader::VisitFieldDecl
void VisitFieldDecl(FieldDecl *FD)
Definition: ASTReaderDecl.cpp:1338
clang::ASTDeclReader::VisitImplicitParamDecl
void VisitImplicitParamDecl(ImplicitParamDecl *PD)
Definition: ASTReaderDecl.cpp:1460
clang::diff::Update
Definition: ASTDiff.h:30
clang::Decl::ModuleOwnershipKind::ModulePrivate
This declaration has an owning module, but is only visible to lookups that occur within that module...
clang::serialization::DECL_OMP_THREADPRIVATE
An OMPThreadPrivateDecl record.
Definition: ASTBitCodes.h:1392
clang::RecordDecl::setNonTrivialToPrimitiveDefaultInitialize
void setNonTrivialToPrimitiveDefaultInitialize(bool V)
Definition: Decl.h:3851
clang::ASTDeclReader::VisitObjCIvarDecl
void VisitObjCIvarDecl(ObjCIvarDecl *D)
Definition: ASTReaderDecl.cpp:1180
clang::ASTDeclReader::VisitOMPThreadPrivateDecl
void VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D)
Definition: ASTReaderDecl.cpp:2644
clang::serialization::DECL_OBJC_IVAR
A ObjCIvarDecl record.
Definition: ASTBitCodes.h:1193
clang::FunctionType
FunctionType - C99 6.7.5.3 - Function Declarators.
Definition: Type.h:3422
clang::OMPAllocateDecl
This represents &#39;#pragma omp allocate ...&#39; directive.
Definition: DeclOpenMP.h:422
clang::ASTDeclReader::setNextObjCCategory
static void setNextObjCCategory(ObjCCategoryDecl *Cat, ObjCCategoryDecl *Next)
Definition: ASTReaderDecl.cpp:309
clang::EvaluatedStmt::IsICE
bool IsICE
Whether this statement is an integral constant expression, or in C++11, whether the statement is a co...
Definition: Decl.h:802
clang::LifetimeExtendedTemporaryDecl::CreateDeserialized
static LifetimeExtendedTemporaryDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.h:3107
clang::serialization::DECL_FRIEND
A FriendDecl record.
Definition: ASTBitCodes.h:1323
clang::ASTDeclReader::VisitClassTemplateSpecializationDeclImpl
RedeclarableResult VisitClassTemplateSpecializationDeclImpl(ClassTemplateSpecializationDecl *D)
Definition: ASTReaderDecl.cpp:2122
clang::EnumConstantDecl
An instance of this object exists for each enum constant that is defined.
Definition: Decl.h:2941
clang::TagDecl::setEmbeddedInDeclarator
void setEmbeddedInDeclarator(bool isInDeclarator)
True if this tag declaration is "embedded" (i.e., defined or declared for the very first time) in the...
Definition: Decl.h:3354
clang::NoLinkage
No linkage, which means that the entity is unique and can only be referred to from within its scope...
Definition: Linkage.h:26
clang::VarDecl::getStorageClass
StorageClass getStorageClass() const
Returns the storage class as written in the source.
Definition: Decl.h:1029
clang::serialization::DECL_CAPTURED
A CapturedDecl record.
Definition: ASTBitCodes.h:1244
clang::serialization::ModuleFile::Generation
unsigned Generation
The generation of which this module file is a part.
Definition: ModuleFile.h:177
clang::AccessSpecDecl::CreateDeserialized
static AccessSpecDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:59
clang::TypedefDecl
Represents the declaration of a typedef-name via the &#39;typedef&#39; type specifier.
Definition: Decl.h:3173
Type.h
C Language Family Type Representation.
clang::CapturedDecl::setParam
void setParam(unsigned i, ImplicitParamDecl *P)
Definition: Decl.h:4277
clang::NestedNameSpecifier::Super
Microsoft&#39;s &#39;__super&#39; specifier, stored as a CXXRecordDecl* of the class it appeared in...
Definition: NestedNameSpecifier.h:99
clang::OMPAllocateDecl::clauselist_size
unsigned clauselist_size() const
Definition: DeclOpenMP.h:488
clang::serialization::DECL_OMP_DECLARE_REDUCTION
An OMPDeclareReductionDecl record.
Definition: ASTBitCodes.h:1425
clang::ASTDeclReader::VisitEnumConstantDecl
void VisitEnumConstantDecl(EnumConstantDecl *ECD)
Definition: ASTReaderDecl.cpp:816
clang::PragmaCommentDecl::CreateDeserialized
static PragmaCommentDecl * CreateDeserialized(ASTContext &C, unsigned ID, unsigned ArgSize)
Definition: Decl.cpp:4608
clang::ASTDeclReader::attachLatestDeclImpl
static void attachLatestDeclImpl(Redeclarable< DeclT > *D, Decl *Latest)
Definition: ASTReaderDecl.cpp:3636
clang::NonTypeTemplateParmDecl::getNumExpansionTypes
unsigned getNumExpansionTypes() const
Retrieves the number of expansion types in an expanded parameter pack.
Definition: DeclTemplate.h:1536
clang::ASTReader::getSubmodule
Module * getSubmodule(serialization::SubmoduleID GlobalID)
Retrieve the submodule that corresponds to a global submodule ID.
Definition: ASTReader.cpp:8444
clang::Decl
Decl - This represents one declaration (or definition), e.g.
Definition: DeclBase.h:88
clang::serialization::DECL_FIELD
A FieldDecl record.
Definition: ASTBitCodes.h:1217
clang::AttributeCommonInfo::Syntax
Syntax
The style used to specify an attribute.
Definition: AttributeCommonInfo.h:25
clang::serialization::UPD_CXX_ADDED_ANONYMOUS_NAMESPACE
Definition: ASTCommon.h:27
getDeclForMerging
static NamedDecl * getDeclForMerging(NamedDecl *Found, bool IsTypedefNameForLinkage)
Find the declaration that should be merged into, given the declaration found by name lookup...
Definition: ASTReaderDecl.cpp:3273
Cursor
Cursor
Definition: SerializedDiagnosticReader.cpp:109
clang::serialization::DECL_VAR_TEMPLATE_PARTIAL_SPECIALIZATION
A VarTemplatePartialSpecializationDecl record.
Definition: ASTBitCodes.h:1344
clang::RecordDecl::setArgPassingRestrictions
void setArgPassingRestrictions(ArgPassingKind Kind)
Definition: Decl.h:3906
clang::DeclarationName::getObjCSelector
Selector getObjCSelector() const
Get the Objective-C selector stored in this declaration name.
Definition: DeclarationName.h:481
clang::NestedNameSpecifier::getPrefix
NestedNameSpecifier * getPrefix() const
Return the prefix of this nested name specifier.
Definition: NestedNameSpecifier.h:167
clang::TemplateTemplateParmDecl::setDefaultArgument
void setDefaultArgument(const ASTContext &C, const TemplateArgumentLoc &DefArg)
Set the default argument for this template parameter, and whether that default argument was inherited...
Definition: DeclTemplate.cpp:818
DeclTemplate.h
Defines the C++ template declaration subclasses.
clang::TemplateDecl::getTemplatedDecl
NamedDecl * getTemplatedDecl() const
Get the underlying, templated declaration.
Definition: DeclTemplate.h:434
clang::FunctionDecl::setPure
void setPure(bool P=true)
Definition: Decl.cpp:2913
clang::ASTDeclReader::getMostRecentDecl
static Decl * getMostRecentDecl(Decl *D)
Definition: ASTReaderDecl.cpp:3458
clang::serialization::UPD_CXX_ADDED_VAR_DEFINITION
Definition: ASTCommon.h:29
clang::ObjCInterfaceDecl::known_categories
known_categories_range known_categories() const
Definition: DeclObjC.h:1701
clang::ConceptDecl::ConstraintExpr
Expr * ConstraintExpr
Definition: DeclTemplate.h:3228
clang::ASTDeclReader::VisitCXXDestructorDecl
void VisitCXXDestructorDecl(CXXDestructorDecl *D)
Definition: ASTReaderDecl.cpp:1962
clang::ASTDeclReader::VisitClassTemplateSpecializationDecl
void VisitClassTemplateSpecializationDecl(ClassTemplateSpecializationDecl *D)
Definition: ASTReaderDecl.cpp:337
clang::serialization::DECL_CONTEXT_LEXICAL
A record that stores the set of declarations that are lexically stored within a given DeclContext...
Definition: ASTBitCodes.h:1254
clang::ASTDeclReader::VisitObjCCategoryDecl
void VisitObjCCategoryDecl(ObjCCategoryDecl *D)
Definition: ASTReaderDecl.cpp:1242
clang::TemplateTemplateParmDecl::isExpandedParameterPack
bool isExpandedParameterPack() const
Whether this parameter is a template template parameter pack that has a known list of different templ...
Definition: DeclTemplate.h:1698
clang::EmptyDecl
Represents an empty-declaration.
Definition: Decl.h:4443
clang::IdentifierInfo::isOutOfDate
bool isOutOfDate() const
Determine whether the information for this identifier is out of date with respect to the external sou...
Definition: IdentifierTable.h:350
clang::BlockDecl::setParams
void setParams(ArrayRef< ParmVarDecl *> NewParamInfo)
Definition: Decl.cpp:4546
clang::serialization::ModuleFile::LocalNumObjCCategoriesInMap
unsigned LocalNumObjCCategoriesInMap
The number of redeclaration info entries in ObjCCategoriesMap.
Definition: ModuleFile.h:441
clang::serialization::reader::ASTDeclContextNameLookupTrait
Class that performs name lookup into a DeclContext stored in an AST file.
Definition: ASTReaderInternals.h:44
clang::ArrayType
Represents an array type, per C99 6.7.5.2 - Array Declarators.
Definition: Type.h:2889
clang::VarTemplateDecl
Declaration of a variable template.
Definition: DeclTemplate.h:3070
clang::NamespaceDecl
Represent a C++ namespace.
Definition: Decl.h:497
clang::FunctionTemplateSpecializationInfo::Create
static FunctionTemplateSpecializationInfo * Create(ASTContext &C, FunctionDecl *FD, FunctionTemplateDecl *Template, TemplateSpecializationKind TSK, const TemplateArgumentList *TemplateArgs, const TemplateArgumentListInfo *TemplateArgsAsWritten, SourceLocation POI, MemberSpecializationInfo *MSInfo)
Definition: DeclTemplate.cpp:843
clang::serialization::DECL_OBJC_PROPERTY
A ObjCPropertyDecl record.
Definition: ASTBitCodes.h:1211
clang::ObjCPropertyDecl::setPropertyImplementation
void setPropertyImplementation(PropertyControl pc)
Definition: DeclObjC.h:943
clang::ObjCMethodDecl::hasRedeclaration
bool hasRedeclaration() const
True if redeclared in the same interface.
Definition: DeclObjC.h:273
hasSameOverloadableAttrs
static bool hasSameOverloadableAttrs(const FunctionDecl *A, const FunctionDecl *B)
Determine whether the attributes we can overload on are identical for A and B.
Definition: ASTReaderDecl.cpp:2973
clang::TemplateParameterList::getParam
NamedDecl * getParam(unsigned Idx)
Definition: DeclTemplate.h:138
clang::FriendDecl::CreateDeserialized
static FriendDecl * CreateDeserialized(ASTContext &C, unsigned ID, unsigned FriendTypeNumTPLists)
Definition: DeclFriend.cpp:65
clang::AccessSpecifier
AccessSpecifier
A C++ access specifier (public, private, protected), plus the special value "none" which means differ...
Definition: Specifiers.h:113
DeclObjC.h
clang::TypeSourceInfo
A container of type source information.
Definition: Type.h:6227
clang::LCD_None
Definition: Lambda.h:23
clang::serialization::ModuleFile::GlobalBitOffset
uint64_t GlobalBitOffset
The global bit offset (or base) of this module.
Definition: ModuleFile.h:187
clang::ObjCMethodDecl::setPropertyAccessor
void setPropertyAccessor(bool isAccessor)
Definition: DeclObjC.h:437
inheritDefaultTemplateArguments
static void inheritDefaultTemplateArguments(ASTContext &Context, TemplateDecl *From, TemplateDecl *To)
Definition: ASTReaderDecl.cpp:3585
clang::ASTDeclReader::ASTDeclReader
ASTDeclReader(ASTReader &Reader, ASTRecordReader &Record, ASTReader::RecordLocation Loc, DeclID thisDeclID, SourceLocation ThisDeclLoc)
Definition: ASTReaderDecl.cpp:249
ASTRecordReader.h
clang::LambdaCapture
Describes the capture of a variable or of this, or of a C++1y init-capture.
Definition: LambdaCapture.h:25
clang::serialization::DECL_OMP_REQUIRES
An OMPRequiresDecl record.
Definition: ASTBitCodes.h:1395
clang::CXXConstructorDecl
Represents a C++ constructor within a class.
Definition: DeclCXX.h:2383
clang::Module::ModuleMapModule
This is a module that was defined by a module map and built out of header files.
Definition: Module.h:75
clang::CapturedDecl::CreateDeserialized
static CapturedDecl * CreateDeserialized(ASTContext &C, unsigned ID, unsigned NumParams)
Definition: Decl.cpp:4742
clang::ArrayType::getElementType
QualType getElementType() const
Definition: Type.h:2910
clang::TagDecl::isCompleteDefinition
bool isCompleteDefinition() const
Return true if this decl has its body fully specified.
Definition: Decl.h:3324
clang::PragmaCommentDecl
Represents a #pragma comment line.
Definition: Decl.h:114
Value
Value
Definition: UninitializedValues.cpp:101
clang::serialization::DECL_CLASS_TEMPLATE
A ClassTemplateDecl record.
Definition: ASTBitCodes.h:1329
clang::ASTDeclReader::VisitStaticAssertDecl
void VisitStaticAssertDecl(StaticAssertDecl *D)
Definition: ASTReaderDecl.cpp:2383
clang::serialization::DECL_PRAGMA_DETECT_MISMATCH
A PragmaDetectMismatchDecl record.
Definition: ASTBitCodes.h:1419
clang::serialization::DECL_UNRESOLVED_USING_TYPENAME
An UnresolvedUsingTypenameDecl record.
Definition: ASTBitCodes.h:1293
clang::NestedNameSpecifier::Identifier
An identifier, stored as an IdentifierInfo*.
Definition: NestedNameSpecifier.h:79
clang::CapturedDecl::setNothrow
void setNothrow(bool Nothrow=true)
Definition: Decl.cpp:4752
clang::TemplateArgumentListInfo::setRAngleLoc
void setRAngleLoc(SourceLocation Loc)
Definition: TemplateBase.h:574
clang::FriendDecl
FriendDecl - Represents the declaration of a friend entity, which can be a function, a type, or a templated function or type.
Definition: DeclFriend.h:53
clang::EnumDecl::getODRHash
unsigned getODRHash()
Definition: Decl.cpp:4351
clang::VarDecl
Represents a variable declaration or definition.
Definition: Decl.h:820
clang::ASTDeclReader::VisitNamedDecl
void VisitNamedDecl(NamedDecl *ND)
Definition: ASTReaderDecl.cpp:656
clang::RedeclarableTemplateDecl
Declaration of a redeclarable template.
Definition: DeclTemplate.h:751
clang::for
for(auto typeArg :T->getTypeArgsAsWritten())
Definition: RecursiveASTVisitor.h:1106
clang::serialization::DECL_OMP_CAPTUREDEXPR
An OMPCapturedExprDecl record.
Definition: ASTBitCodes.h:1413
clang::FunctionDecl::TK_FunctionTemplate
Definition: Decl.h:1794
clang::ObjCPropertyDecl::PropertyAttributeKind
PropertyAttributeKind
Definition: DeclObjC.h:745
clang::Type::getAs
const T * getAs() const
Member-template getAs<specific type>&#39;.
Definition: Type.h:7002
clang::serialization::DECL_USING_SHADOW
A UsingShadowDecl record.
Definition: ASTBitCodes.h:1281
clang::serialization::DeclUpdateKind
DeclUpdateKind
Definition: ASTCommon.h:24
clang::serialization::NUM_PREDEF_DECL_IDS
const unsigned int NUM_PREDEF_DECL_IDS
The number of declaration IDs that are predefined.
Definition: ASTBitCodes.h:1148
clang::TTK_Interface
The "__interface" keyword.
Definition: Type.h:5192
clang::VarTemplateSpecializationDecl
Represents a variable template specialization, which refers to a variable template with a given set o...
Definition: DeclTemplate.h:2655
clang::ObjCMethodDecl
ObjCMethodDecl - Represents an instance or class method declaration.
Definition: DeclObjC.h:138
clang::serialization::DECL_EXPANDED_TEMPLATE_TEMPLATE_PARM_PACK
A TemplateTemplateParmDecl record that stores an expanded template template parameter pack...
Definition: ASTBitCodes.h:1382
clang::ASTTemplateArgumentListInfo
Represents an explicit template argument list in C++, e.g., the "<int>" in "sort<int>".
Definition: TemplateBase.h:603
clang::NestedNameSpecifier::Namespace
A namespace, stored as a NamespaceDecl*.
Definition: NestedNameSpecifier.h:82
clang::ASTDeclReader::VisitClassTemplateDecl
void VisitClassTemplateDecl(ClassTemplateDecl *D)
Definition: ASTReaderDecl.cpp:2082
clang::TemplateParameterList
Stores a list of template parameters for a TemplateDecl and its derived classes.
Definition: DeclTemplate.h:69
clang::CXXRecordDecl::getODRHash
unsigned getODRHash() const
Definition: DeclCXX.cpp:479
clang::ObjCMethodDecl::setSelfDecl
void setSelfDecl(ImplicitParamDecl *SD)
Definition: DeclObjC.h:416
clang::ASTDeclReader::VisitTypeAliasDecl
void VisitTypeAliasDecl(TypeAliasDecl *TD)
Definition: ASTReaderDecl.cpp:692
clang::NestedNameSpecifier::getKind
SpecifierKind getKind() const
Determine what kind of nested name specifier is stored.
Definition: NestedNameSpecifier.cpp:142
clang::OMPDeclareReductionDecl::setCombinerData
void setCombinerData(Expr *InE, Expr *OutE)
Set combiner In and Out vars.
Definition: DeclOpenMP.h:163
clang::serialization::DECL_TEMPLATE_TEMPLATE_PARM
A TemplateTemplateParmDecl record.
Definition: ASTBitCodes.h:1356
clang::ParmVarDecl
Represents a parameter to a function.
Definition: Decl.h:1595
clang::Linkage
Linkage
Describes the different kinds of linkage (C++ [basic.link], C99 6.2.2) that an entity may have...
Definition: Linkage.h:23
clang::OMPDeclareMapperDecl::CreateDeserialized
static OMPDeclareMapperDecl * CreateDeserialized(ASTContext &C, unsigned ID, unsigned N)
Creates deserialized declare mapper node.
Definition: DeclOpenMP.cpp:183
clang::serialization::DECL_OBJC_INTERFACE
A ObjCInterfaceDecl record.
Definition: ASTBitCodes.h:1187
clang::ASTRecordReader::getSubmodule
Module * getSubmodule(serialization::SubmoduleID GlobalID)
Retrieve the submodule that corresponds to a global submodule ID.
Definition: ASTRecordReader.h:90
clang::serialization::UPD_DECL_MARKED_OPENMP_THREADPRIVATE
Definition: ASTCommon.h:40
clang::BuiltinTemplateDecl
Represents the builtin template declaration which is used to implement __make_integer_seq and other b...
Definition: DeclTemplate.h:1763
clang::ASTDeclReader::VisitTagDecl
RedeclarableResult VisitTagDecl(TagDecl *TD)
Definition: ASTReaderDecl.cpp:701
clang::IdentifierResolver::begin
iterator begin(DeclarationName Name)
begin - Returns an iterator for decls with the name &#39;Name&#39;.
Definition: IdentifierResolver.cpp:230
clang::ASTDeclReader::attachPreviousDeclImpl
static void attachPreviousDeclImpl(ASTReader &Reader, Redeclarable< DeclT > *D, Decl *Previous, Decl *Canon)
Definition: ASTReaderDecl.cpp:3476
clang::Decl::IDNS_Type
Types, declared with &#39;struct foo&#39;, typedefs, etc.
Definition: DeclBase.h:132
clang::RecordDecl
Represents a struct/union/class.
Definition: Decl.h:3748
clang::InheritedConstructor
Description of a constructor that was inherited from a base class.
Definition: DeclCXX.h:2357
clang::NamedDecl::getDeclName
DeclarationName getDeclName() const
Get the actual, stored name of the declaration, which may be a special name.
Definition: Decl.h:272
clang::Redeclarable
Provides common interface for the Decls that can be redeclared.
Definition: Redeclarable.h:84
clang::ObjCProtocolDecl::getCanonicalDecl
ObjCProtocolDecl * getCanonicalDecl() override
Retrieves the canonical declaration of this Objective-C protocol.
Definition: DeclObjC.h:2264
clang::ClassTemplateSpecializationDecl
Represents a class template specialization, which refers to a class template with a given set of temp...
Definition: DeclTemplate.h:1802
clang::IdentifierInfo
One of these records is kept for each identifier that is lexed.
Definition: IdentifierTable.h:57
clang::EnumDecl::setIntegerType
void setIntegerType(QualType T)
Set the underlying integer type.
Definition: Decl.h:3644
clang::ASTRecordReader::readDeclAs
T * readDeclAs()
Reads a declaration from the given position in the record, advancing Idx.
Definition: ASTRecordReader.h:202
clang::ASTDeclReader::VisitBuiltinTemplateDecl
void VisitBuiltinTemplateDecl(BuiltinTemplateDecl *D)
Definition: ASTReaderDecl.cpp:2102
clang::ASTDeclReader::mergeRedeclarable
void mergeRedeclarable(Redeclarable< T > *D, RedeclarableResult &Redecl, DeclID TemplatePatternID=0)
Attempts to merge the given declaration (D) with another declaration of the same entity.
Definition: ASTReaderDecl.cpp:2476
clang::LifetimeExtendedTemporaryDecl::getExtendingDecl
ValueDecl * getExtendingDecl()
Definition: DeclCXX.h:3112
clang::OMPThreadPrivateDecl::CreateDeserialized
static OMPThreadPrivateDecl * CreateDeserialized(ASTContext &C, unsigned ID, unsigned N)
Definition: DeclOpenMP.cpp:40
clang::ASTContext::setManglingNumber
void setManglingNumber(const NamedDecl *ND, unsigned Number)
Definition: ASTContext.cpp:10407
clang::ParmVarDecl::setUninstantiatedDefaultArg
void setUninstantiatedDefaultArg(Expr *arg)
Definition: Decl.cpp:2747
clang::IndirectFieldDecl::CreateDeserialized
static IndirectFieldDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: Decl.cpp:4788
clang::ASTContext
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
Definition: ASTContext.h:168
clang::NestedNameSpecifierLoc
A C++ nested-name-specifier augmented with source location information.
Definition: NestedNameSpecifier.h:236
llvm::Optional
Definition: LLVM.h:37
clang::DeclContextLookupResult
The results of name lookup within a DeclContext.
Definition: DeclBase.h:1195
clang::EvaluatedStmt::CheckedICE
bool CheckedICE
Whether we already checked whether this statement was an integral constant expression.
Definition: Decl.h:793
clang::ASTDeclReader::VisitFriendTemplateDecl
void VisitFriendTemplateDecl(FriendTemplateDecl *D)
Definition: ASTReaderDecl.cpp:2010
clang::LinkageSpecDecl::setLanguage
void setLanguage(LanguageIDs L)
Set the language specified by this linkage specification.
Definition: DeclCXX.h:2812
toString
static std::string toString(const clang::SanitizerSet &Sanitizers)
Produce a string containing comma-separated names of sanitizers in Sanitizers set.
Definition: SanitizerArgs.cpp:856
clang::serialization::UPD_CXX_DEDUCED_RETURN_TYPE
Definition: ASTCommon.h:36
clang::LambdaCaptureKind
LambdaCaptureKind
The different capture forms in a lambda introducer.
Definition: Lambda.h:33
clang::FieldDecl
Represents a member of a struct/union/class.
Definition: Decl.h:2729
clang::NestedNameSpecifier::getAsType
const Type * getAsType() const
Retrieve the type stored in this nested name specifier.
Definition: NestedNameSpecifier.h:194
clang::OMPDeclareReductionDecl::InitKind
InitKind
Definition: DeclOpenMP.h:106
ExceptionSpecificationType.h
Defines the ExceptionSpecificationType enumeration and various utility functions. ...
clang::LabelDecl::setLocStart
void setLocStart(SourceLocation L)
Definition: Decl.h:479
clang::ASTRecordReader::readExpr
Expr * readExpr()
Reads an expression.
Definition: ASTRecordReader.h:129
clang::CXXRecordDecl::CreateDeserialized
static CXXRecordDecl * CreateDeserialized(const ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:159
clang::Decl::setVisibleDespiteOwningModule
void setVisibleDespiteOwningModule()
Set that this declaration is globally visible, even if it came from a module that is not visible...
Definition: DeclBase.h:780
clang::RecordDecl::ArgPassingKind
ArgPassingKind
Enum that represents the different ways arguments are passed to and returned from function calls...
Definition: Decl.h:3757
clang::ASTDeclReader::VisitVarTemplateSpecializationDeclImpl
RedeclarableResult VisitVarTemplateSpecializationDeclImpl(VarTemplateSpecializationDecl *D)
TODO: Unify with ClassTemplateSpecializationDecl version? May require unifying ClassTemplate(Partial)...
Definition: ASTReaderDecl.cpp:2237
clang::ASTDeclReader::VisitPragmaDetectMismatchDecl
void VisitPragmaDetectMismatchDecl(PragmaDetectMismatchDecl *D)
Definition: ASTReaderDecl.cpp:638
clang::TemplateArgumentList::CreateCopy
static TemplateArgumentList * CreateCopy(ASTContext &Context, ArrayRef< TemplateArgument > Args)
Create a new template argument list that copies the given set of template arguments.
Definition: DeclTemplate.cpp:837
clang::CXXMethodDecl::getCanonicalDecl
CXXMethodDecl * getCanonicalDecl() override
Retrieves the "canonical" declaration of the given declaration.
Definition: DeclCXX.h:2017
clang::SavedStreamPosition
Helper class that saves the current stream position and then restores it when destroyed.
Definition: ASTRecordReader.h:337
clang::DeclContextLookupResult::end
iterator end() const
Definition: DeclBase.h:1237
getNamespace
static NamespaceDecl * getNamespace(const NestedNameSpecifier *X)
Definition: ASTReaderDecl.cpp:2910
clang::Decl::setOwningModuleID
void setOwningModuleID(unsigned ID)
Set the owning module ID.
Definition: DeclBase.h:630
clang::ASTContext::setStaticLocalNumber
void setStaticLocalNumber(const VarDecl *VD, unsigned Number)
Definition: ASTContext.cpp:10417
clang::ASTDeclReader::VisitFileScopeAsmDecl
void VisitFileScopeAsmDecl(FileScopeAsmDecl *AD)
Definition: ASTReaderDecl.cpp:1500
clang::VarDecl::Definition
This declaration is definitely a definition.
Definition: Decl.h:1162
clang::Decl::FromASTFile
unsigned FromASTFile
Whether this declaration was loaded from an AST file.
Definition: DeclBase.h:328
clang::FunctionTemplateSpecializationInfo::Profile
void Profile(llvm::FoldingSetNodeID &ID)
Definition: DeclTemplate.h:606
AttrKinds.h
Defines the clang::attr::Kind enum.
operator*
clang::CharUnits operator*(clang::CharUnits::QuantityType Scale, const clang::CharUnits &CU)
Definition: CharUnits.h:212
clang::serialization::ObjCCategoriesInfo::Offset
unsigned Offset
Definition: ASTBitCodes.h:1937
clang::ExternalASTSource::EK_Never
Definition: ExternalASTSource.h:196
clang::AccessSpecDecl
Represents an access specifier followed by colon &#39;:&#39;.
Definition: DeclCXX.h:85
clang::ObjCMethodDecl::setReturnType
void setReturnType(QualType T)
Definition: DeclObjC.h:325
clang::ClassScopeFunctionSpecializationDecl
Declaration of a function specialization at template class scope.
Definition: DeclTemplate.h:2595
clang::StaticAssertDecl::CreateDeserialized
static StaticAssertDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:3036
clang::serialization::UPD_CXX_ADDED_IMPLICIT_MEMBER
Definition: ASTCommon.h:25
clang::ASTDeclReader::VisitLabelDecl
void VisitLabelDecl(LabelDecl *LD)
Definition: ASTReaderDecl.cpp:1564
clang::NamespaceDecl::CreateDeserialized
static NamespaceDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:2755
clang::ObjCMethodDecl::setDeclImplementation
void setDeclImplementation(ImplementationControl ic)
Definition: DeclObjC.h:490
clang::Module
Describes a module or submodule.
Definition: Module.h:64
llvm::SmallVectorImpl
Definition: LLVM.h:36
clang::NonTypeTemplateParmDecl::setDefaultArgument
void setDefaultArgument(Expr *DefArg)
Set the default argument for this template parameter, and whether that default argument was inherited...
Definition: DeclTemplate.h:1479
clang::serialization::DECL_INDIRECTFIELD
A IndirectFieldDecl record.
Definition: ASTBitCodes.h:1374
clang::ObjCIvarDecl::AccessControl
AccessControl
Definition: DeclObjC.h:1963
clang::ASTRecordReader::size
size_t size() const
The length of this record.
Definition: ASTRecordReader.h:59
clang::OMPCapturedExprDecl::CreateDeserialized
static OMPCapturedExprDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclOpenMP.cpp:241
clang::IdentifierResolver::end
iterator end()
end - Returns an iterator that has &#39;finished&#39;.
Definition: IdentifierResolver.h:141
clang::FunctionTemplateSpecializationInfo
Provides information about a function template specialization, which is a FunctionDecl that has been ...
Definition: DeclTemplate.h:470
clang::FunctionDecl::setUsesFPIntrin
void setUsesFPIntrin(bool Val)
Definition: Decl.h:2238
clang::serialization::UPD_DECL_MARKED_OPENMP_ALLOCATE
Definition: ASTCommon.h:41
clang::UsingDecl
Represents a C++ using-declaration.
Definition: DeclCXX.h:3369
clang::serialization::DECL_REQUIRES_EXPR_BODY
A RequiresExprBodyDecl record.
Definition: ASTBitCodes.h:1407
clang::UsingDecl::setUsingLoc
void setUsingLoc(SourceLocation L)
Set the source location of the &#39;using&#39; keyword.
Definition: DeclCXX.h:3405
clang::ASTDeclReader::VisitUnresolvedUsingTypenameDecl
void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D)
Definition: ASTReaderDecl.cpp:1670
clang::NestedNameSpecifier::getAsIdentifier
IdentifierInfo * getAsIdentifier() const
Retrieve the identifier stored in this nested name specifier.
Definition: NestedNameSpecifier.h:174
clang::SelectorLocationsKind
SelectorLocationsKind
Whether all locations of the selector identifiers are in a "standard" position.
Definition: SelectorLocationsKind.h:27
llvm::Expected
Definition: LLVM.h:38
clang::LookupResult
Represents the results of name lookup.
Definition: Lookup.h:46
merged_redecls
static llvm::iterator_range< MergedRedeclIterator< DeclT > > merged_redecls(DeclT *D)
Definition: ASTReaderDecl.cpp:495
clang::DeclAccessPair::make
static DeclAccessPair make(NamedDecl *D, AccessSpecifier AS)
Definition: DeclAccessPair.h:35
clang::ObjCContainerDecl
ObjCContainerDecl - Represents a container for method declarations.
Definition: DeclObjC.h:983
clang::ObjCIvarDecl::setAccessControl
void setAccessControl(AccessControl ac)
Definition: DeclObjC.h:1996
clang::ASTDeclReader::attachLatestDecl
static void attachLatestDecl(Decl *D, Decl *latest)
Definition: ASTReaderDecl.cpp:3644
clang::LCK_ByCopy
< Capturing the *this object by copy
Definition: Lambda.h:36
ModuleFile.h
clang::ASTDeclReader::VisitVarDeclImpl
RedeclarableResult VisitVarDeclImpl(VarDecl *D)
Definition: ASTReaderDecl.cpp:1378
clang::Redeclarable::RedeclLink
DeclLink RedeclLink
Points to the next redeclaration in the chain.
Definition: Redeclarable.h:185
clang::serialization::DECL_ACCESS_SPEC
An AccessSpecDecl record.
Definition: ASTBitCodes.h:1320
clang::ObjCPropertyDecl::setAtLoc
void setAtLoc(SourceLocation L)
Definition: DeclObjC.h:835
clang::TemplateArgumentListInfo
A convenient class for passing around template argument information.
Definition: TemplateBase.h:554
clang::TemplateParmPosition::setDepth
void setDepth(unsigned D)
Definition: DeclTemplate.h:1161
clang::RecordDecl::setParamDestroyedInCallee
void setParamDestroyedInCallee(bool V)
Definition: Decl.h:3914
LLVM.h
Forward-declares and imports various common LLVM datatypes that clang wants to use unqualified...
clang::FunctionDecl::setDefaultedFunctionInfo
void setDefaultedFunctionInfo(DefaultedFunctionInfo *Info)
Definition: Decl.cpp:2846
clang::serialization::UPD_CXX_ADDED_TEMPLATE_SPECIALIZATION
Definition: ASTCommon.h:26
clang::serialization::DECL_CONSTRUCTOR_USING_SHADOW
A ConstructorUsingShadowDecl record.
Definition: ASTBitCodes.h:1284
clang::ComparisonCategoryType::First
clang::serialization::DECL_USING_DIRECTIVE
A UsingDirecitveDecl record.
Definition: ASTBitCodes.h:1287
clang::serialization::UPD_DECL_MARKED_OPENMP_DECLARETARGET
Definition: ASTCommon.h:42
clang::ASTDeclReader::ReadFunctionDefinition
void ReadFunctionDefinition(FunctionDecl *FD)
Definition: ASTReaderDecl.cpp:504
clang::NestedNameSpecifier::getAsNamespaceAlias
NamespaceAliasDecl * getAsNamespaceAlias() const
Retrieve the namespace alias stored in this nested name specifier.
Definition: NestedNameSpecifier.cpp:176
clang::UnresolvedUsingTypenameDecl::CreateDeserialized
static UnresolvedUsingTypenameDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:3018
clang::ASTDeclReader::VisitCXXRecordDecl
void VisitCXXRecordDecl(CXXRecordDecl *D)
Definition: ASTReaderDecl.cpp:333
clang::ClassTemplateSpecializationDecl::CreateDeserialized
static ClassTemplateSpecializationDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclTemplate.cpp:902
clang::AttributeCommonInfo::Kind
Kind
Definition: AttributeCommonInfo.h:52
clang::ObjCImplementationDecl::setSuperClass
void setSuperClass(ObjCInterfaceDecl *superCls)
Definition: DeclObjC.h:2707
clang::serialization::DECL_DECOMPOSITION
A DecompositionDecl record.
Definition: ASTBitCodes.h:1232
clang::TypeDecl
Represents a declaration of a type.
Definition: Decl.h:3029
clang::RecordDecl::setHasObjectMember
void setHasObjectMember(bool val)
Definition: Decl.h:3830
clang::ASTDeclReader::VisitOMPCapturedExprDecl
void VisitOMPCapturedExprDecl(OMPCapturedExprDecl *D)
Definition: ASTReaderDecl.cpp:2714
clang::ASTDeclReader::VisitMSPropertyDecl
void VisitMSPropertyDecl(MSPropertyDecl *FD)
Definition: ASTReaderDecl.cpp:1359
clang::ObjCCategoryImplDecl::CreateDeserialized
static ObjCCategoryImplDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclObjC.cpp:2082
clang::AttributeCommonInfo::AS_Pragma
#pragma ...
Definition: AttributeCommonInfo.h:45
clang::ASTDeclReader::VisitUnresolvedUsingValueDecl
void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D)
Definition: ASTReaderDecl.cpp:1661
clang::ASTReader::getContext
ASTContext & getContext()
Retrieve the AST context that this AST reader supplements.
Definition: ASTReader.h:2214
clang::FunctionDecl::setHasImplicitReturnZero
void setHasImplicitReturnZero(bool IRZ)
State that falling off this function implicitly returns null/zero.
Definition: Decl.h:2165
clang::EnumDecl::getMemberSpecializationInfo
MemberSpecializationInfo * getMemberSpecializationInfo() const
If this enumeration is an instantiation of a member enumeration of a class template specialization...
Definition: Decl.h:3729
clang::ASTDeclReader::VisitTemplateDecl
DeclID VisitTemplateDecl(TemplateDecl *D)
Definition: ASTReaderDecl.cpp:2024
Error
llvm::Error Error
Definition: ByteCodeEmitter.cpp:19
clang::ASTRecordReader::readSourceRange
SourceRange readSourceRange()
Read a source range, advancing Idx.
Definition: ASTRecordReader.h:270
clang::ObjCCompatibleAliasDecl::setClassInterface
void setClassInterface(ObjCInterfaceDecl *D)
Definition: DeclObjC.h:2763
ASTCommon.h
clang::serialization::isPartOfPerModuleInitializer
bool isPartOfPerModuleInitializer(const Decl *D)
Determine whether the given declaration will be included in the per-module initializer if it needs to...
Definition: ASTCommon.h:116
clang::CXXRecordDecl::getCanonicalDecl
CXXRecordDecl * getCanonicalDecl() override
Retrieves the "canonical" declaration of the given declaration.
Definition: DeclCXX.h:492
clang::declaresSameEntity
bool declaresSameEntity(const Decl *D1, const Decl *D2)
Determine whether two declarations declare the same entity.
Definition: DeclBase.h:1166
clang::FileScopeAsmDecl::CreateDeserialized
static FileScopeAsmDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: Decl.cpp:4890
clang::ASTDeclReader::VisitCXXMethodDecl
void VisitCXXMethodDecl(CXXMethodDecl *D)
Definition: ASTReaderDecl.cpp:1930
clang::FunctionDecl::setTrivial
void setTrivial(bool IT)
Definition: Decl.h:2123
clang::FunctionDecl::TK_FunctionTemplateSpecialization
Definition: Decl.h:1801
clang::ASTDeclReader::UpdateDecl
void UpdateDecl(Decl *D, SmallVectorImpl< serialization::DeclID > &)
Definition: ASTReaderDecl.cpp:4323
Linkage.h
Defines the Linkage enumeration and various utility functions.
clang::TypeAliasDecl::CreateDeserialized
static TypeAliasDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: Decl.cpp:4860
clang::serialization::DECL_CLASS_TEMPLATE_SPECIALIZATION
A ClassTemplateSpecializationDecl record.
Definition: ASTBitCodes.h:1332
clang::ObjCProtocolDecl
Represents an Objective-C protocol declaration.
Definition: DeclObjC.h:2078
clang::Decl::getLexicalDeclContext
DeclContext * getLexicalDeclContext()
getLexicalDeclContext - The declaration context where this Decl was lexically declared (LexicalDC)...
Definition: DeclBase.h:828
isSameEntity
static bool isSameEntity(NamedDecl *X, NamedDecl *Y)
Determine whether the two declarations refer to the same entity.
Definition: ASTReaderDecl.cpp:3005
clang::CapturedDecl
Represents the body of a CapturedStmt, and serves as its DeclContext.
Definition: Decl.h:4226
clang::ObjCInterfaceDecl
Represents an ObjC class declaration.
Definition: DeclObjC.h:1186
clang::LinkageSpecDecl
Represents a linkage specification.
Definition: DeclCXX.h:2778
clang::ParmVarDecl::CreateDeserialized
static ParmVarDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: Decl.cpp:2689
clang::ASTDeclReader::VisitOMPDeclareReductionDecl
void VisitOMPDeclareReductionDecl(OMPDeclareReductionDecl *D)
Definition: ASTReaderDecl.cpp:2682
clang::ClassTemplateDecl::getTemplatedDecl
CXXRecordDecl * getTemplatedDecl() const
Get the underlying class declarations of the template.
Definition: DeclTemplate.h:2286
clang::BindingDecl
A binding in a decomposition declaration.
Definition: DeclCXX.h:3812
clang::FunctionDecl::getMemberSpecializationInfo
MemberSpecializationInfo * getMemberSpecializationInfo() const
If this function is an instantiation of a member function of a class template specialization, retrieves the member specialization information.
Definition: Decl.cpp:3540
clang::EnumConstantDecl::setInitVal
void setInitVal(const llvm::APSInt &V)
Definition: Decl.h:2965
clang::Decl::IDNS_Ordinary
Ordinary names.
Definition: DeclBase.h:146
clang::EnumConstantDecl::setInitExpr
void setInitExpr(Expr *E)
Definition: Decl.h:2964
clang::Decl::setCachedLinkage
void setCachedLinkage(Linkage L) const
Definition: DeclBase.h:407
clang::TypeDecl::setLocStart
void setLocStart(SourceLocation L)
Definition: Decl.h:3057
clang::Decl::getCanonicalDecl
virtual Decl * getCanonicalDecl()
Retrieves the "canonical" declaration of the given declaration.
Definition: DeclBase.h:877
clang::FunctionDecl::setHasInheritedPrototype
void setHasInheritedPrototype(bool P=true)
State that this function inherited its prototype from a previous declaration.
Definition: Decl.h:2195
clang::ASTRecordReader::back
uint64_t back()
Returns the last value in this record.
Definition: ASTRecordReader.h:65
clang::ObjCPropertyImplDecl::setGetterCXXConstructor
void setGetterCXXConstructor(Expr *getterCXXConstructor)
Definition: DeclObjC.h:2878
clang::DeclContext::lookup
lookup_result lookup(DeclarationName Name) const
lookup - Find the declarations (if any) with the given Name in this context.
Definition: DeclBase.cpp:1612
clang::VarDecl::getStorageDuration
StorageDuration getStorageDuration() const
Get the storage duration of this variable, per C++ [basic.stc].
Definition: Decl.h:1090
clang::NonTypeTemplateParmDecl::isExpandedParameterPack
bool isExpandedParameterPack() const
Whether this parameter is a non-type template parameter pack that has a known list of different types...
Definition: DeclTemplate.h:1532
clang::NamespaceDecl::setInline
void setInline(bool Inline)
Set whether this is an inline namespace declaration.
Definition: Decl.h:563
ExternalASTSource.h
clang::CXXDeductionGuideDecl::CreateDeserialized
static CXXDeductionGuideDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:1964
clang::ObjCPropertyImplDecl
ObjCPropertyImplDecl - Represents implementation declaration of a property in a class or category imp...
Definition: DeclObjC.h:2773
clang::FunctionTemplateDecl::Common::Specializations
llvm::FoldingSetVector< FunctionTemplateSpecializationInfo > Specializations
The function template specializations for this function template, including explicit specializations ...
Definition: DeclTemplate.h:986
clang::ObjCMethodDecl::setVariadic
void setVariadic(bool isVar)
Definition: DeclObjC.h:429
clang::TemplateTypeParmDecl::CreateDeserialized
static TemplateTypeParmDecl * CreateDeserialized(const ASTContext &C, unsigned ID)
Definition: DeclTemplate.cpp:609
clang::Decl::hasAttr
bool hasAttr() const
Definition: DeclBase.h:542
clang::OMPAllocateDecl::varlist_size
unsigned varlist_size() const
Definition: DeclOpenMP.h:486
clang::ASTRecordReader::readTypeSourceInfo
TypeSourceInfo * readTypeSourceInfo()
Reads a declarator info from the given record, advancing Idx.
Definition: ASTReader.cpp:6720
clang::TypeAliasDecl
Represents the declaration of a typedef-name via a C++11 alias-declaration.
Definition: Decl.h:3193
clang::Type::getAsCXXRecordDecl
CXXRecordDecl * getAsCXXRecordDecl() const
Retrieves the CXXRecordDecl that this type refers to, either because the type is a RecordType or beca...
Definition: Type.cpp:1690
clang::FunctionProtoType
Represents a prototype with parameter type info, e.g.
Definition: Type.h:3754
clang::ASTDeclReader::VisitRedeclarable
RedeclarableResult VisitRedeclarable(Redeclarable< T > *D)
Definition: ASTReaderDecl.cpp:2415
clang::ObjCImplementationDecl::setHasDestructors
void setHasDestructors(bool val)
Definition: DeclObjC.h:2674
clang::ASTDeclReader::VisitObjCContainerDecl
void VisitObjCContainerDecl(ObjCContainerDecl *D)
Definition: ASTReaderDecl.cpp:1079
clang::FunctionDecl::setImplicitlyInline
void setImplicitlyInline(bool I=true)
Flag that this function is implicitly inline.
Definition: Decl.h:2508
clang::ObjCCompatibleAliasDecl::CreateDeserialized
static ObjCCompatibleAliasDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclObjC.cpp:2233
clang::ASTDeclReader::VisitTemplateTemplateParmDecl
void VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D)
Definition: ASTReaderDecl.cpp:2360
clang::CXXDestructorDecl::getCanonicalDecl
CXXDestructorDecl * getCanonicalDecl() override
Retrieves the "canonical" declaration of the given declaration.
Definition: DeclCXX.h:2691
clang::DeclaratorDecl
Represents a ValueDecl that came out of a declarator.
Definition: Decl.h:671
clang::serialization::DECL_CXX_DEDUCTION_GUIDE
A CXXDeductionGuideDecl record.
Definition: ASTBitCodes.h:1305
clang::ASTDeclReader::VisitParmVarDecl
void VisitParmVarDecl(ParmVarDecl *PD)
Definition: ASTReaderDecl.cpp:1464
clang::AttributeCommonInfo
Definition: AttributeCommonInfo.h:22
clang::FunctionDecl::setStorageClass
void setStorageClass(StorageClass SClass)
Sets the storage class as written in the source.
Definition: Decl.h:2493
clang::serialization::DECL_ENUM
An EnumDecl record.
Definition: ASTBitCodes.h:1172
clang::serialization::UPD_CXX_RESOLVED_EXCEPTION_SPEC
Definition: ASTCommon.h:35
clang::ASTDeclReader::VisitLinkageSpecDecl
void VisitLinkageSpecDecl(LinkageSpecDecl *D)
Definition: ASTReaderDecl.cpp:1552
clang::OMPRequiresDecl::CreateDeserialized
static OMPRequiresDecl * CreateDeserialized(ASTContext &C, unsigned ID, unsigned N)
Create deserialized requires node.
Definition: DeclOpenMP.cpp:115
clang::ObjCImplementationDecl::setIvarRBraceLoc
void setIvarRBraceLoc(SourceLocation Loc)
Definition: DeclObjC.h:2711
clang::serialization::DECL_STATIC_ASSERT
A StaticAssertDecl record.
Definition: ASTBitCodes.h:1365
clang::ASTDeclReader::Visit
void Visit(Decl *D)
Definition: ASTReaderDecl.cpp:521
clang::serialization::DECL_VAR_TEMPLATE_SPECIALIZATION
A VarTemplateSpecializationDecl record.
Definition: ASTBitCodes.h:1341
clang::ASTDeclReader::VisitUsingPackDecl
void VisitUsingPackDecl(UsingPackDecl *D)
Definition: ASTReaderDecl.cpp:1623
clang::ASTDeclReader::VisitUsingShadowDecl
void VisitUsingShadowDecl(UsingShadowDecl *D)
Definition: ASTReaderDecl.cpp:1632
clang::ASTDeclReader::VisitVarTemplatePartialSpecializationDecl
void VisitVarTemplatePartialSpecializationDecl(VarTemplatePartialSpecializationDecl *D)
TODO: Unify with ClassTemplatePartialSpecializationDecl version? May require unifying ClassTemplate(P...
Definition: ASTReaderDecl.cpp:2299
clang::ObjCIvarDecl::setNextIvar
void setNextIvar(ObjCIvarDecl *ivar)
Definition: DeclObjC.h:1994
clang::serialization::UPD_CXX_POINT_OF_INSTANTIATION
Definition: ASTCommon.h:30
clang::serialization::UPD_CXX_INSTANTIATED_CLASS_DEFINITION
Definition: ASTCommon.h:31
clang::ObjCIvarDecl::setSynthesize
void setSynthesize(bool synth)
Definition: DeclObjC.h:2004
clang::OMPRequiresDecl
This represents &#39;#pragma omp requires...&#39; directive.
Definition: DeclOpenMP.h:345
clang::ASTDeclReader::VisitFriendDecl
void VisitFriendDecl(FriendDecl *D)
Definition: ASTReaderDecl.cpp:1996
Offset
unsigned Offset
Definition: Format.cpp:1827
clang::serialization::DECL_OBJC_TYPE_PARAM
An ObjCTypeParamDecl record.
Definition: ASTBitCodes.h:1410
clang::ASTDeclReader::VisitDecl
void VisitDecl(Decl *D)
Definition: ASTReaderDecl.cpp:556
clang::serialization::DECL_CXX_BASE_SPECIFIERS
A record containing CXXBaseSpecifiers.
Definition: ASTBitCodes.h:1368
clang::ASTReader::Diag
DiagnosticBuilder Diag(unsigned DiagID) const
Report a diagnostic.
Definition: ASTReader.cpp:8925
clang::attr::Kind
Kind
Definition: AttrKinds.h:22
clang::FunctionDecl::setTrivialForCall
void setTrivialForCall(bool IT)
Definition: Decl.h:2126
clang::ObjCPropertyDecl::setType
void setType(QualType T, TypeSourceInfo *TSI)
Definition: DeclObjC.h:844
clang::TemplateDecl::getTemplateParameters
TemplateParameterList * getTemplateParameters() const
Get the list of template parameters.
Definition: DeclTemplate.h:421
clang::Decl::isCanonicalDecl
bool isCanonicalDecl() const
Whether this particular Decl is a canonical one.
Definition: DeclBase.h:883
clang::ObjCPropertyDecl::setGetterMethodDecl
void setGetterMethodDecl(ObjCMethodDecl *gDecl)
Definition: DeclObjC.h:937
clang::ConstructorUsingShadowDecl
Represents a shadow constructor declaration introduced into a class by a C++11 using-declaration that...
Definition: DeclCXX.h:3263
clang::BlockDecl
Represents a block literal declaration, which is like an unnamed FunctionDecl.
Definition: Decl.h:4037
clang::NestedNameSpecifier::getAsNamespace
NamespaceDecl * getAsNamespace() const
Retrieve the namespace stored in this nested name specifier.
Definition: NestedNameSpecifier.cpp:168
clang::ValueDecl
Represent the declaration of a variable (in which case it is an lvalue) a function (in which case it ...
Definition: Decl.h:619
clang::Expr
This represents one expression.
Definition: Expr.h:108
clang::serialization::DECL_OBJC_CATEGORY_IMPL
A ObjCCategoryImplDecl record.
Definition: ASTBitCodes.h:1202
LangOptions.h
Defines the clang::LangOptions interface.
clang::ASTDeclReader::VisitCXXDeductionGuideDecl
void VisitCXXDeductionGuideDecl(CXXDeductionGuideDecl *GD)
Definition: ASTReaderDecl.cpp:1924
Redeclarable.h
clang::FieldDecl::setBitWidth
void setBitWidth(Expr *Width)
Set the bit-field width for this member.
Definition: Decl.h:2831
clang::RequiresExprBodyDecl
Represents the body of a requires-expression.
Definition: DeclCXX.h:1909
clang::FunctionDecl::isDefaulted
bool isDefaulted() const
Whether this function is defaulted per C++0x.
Definition: Decl.h:2130
clang::LinkageSpecDecl::CreateDeserialized
static LinkageSpecDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:2700
clang::serialization::DECL_OBJC_PROPERTY_IMPL
A ObjCPropertyImplDecl record.
Definition: ASTBitCodes.h:1214
Previous
StateNode * Previous
Definition: UnwrappedLineFormatter.cpp:934
clang::TemplateTypeParmDecl
Declaration of a template type parameter.
Definition: DeclTemplate.h:1177
clang::ObjCPropertyDecl::setSetterMethodDecl
void setSetterMethodDecl(ObjCMethodDecl *gDecl)
Definition: DeclObjC.h:940
clang::FunctionDecl::TK_DependentFunctionTemplateSpecialization
Definition: Decl.h:1804
clang::Type::castAs
const T * castAs() const
Member-template castAs<specific type>.
Definition: Type.h:7067
V
#define V(N, I)
Definition: ASTContext.h:2941
clang::CXXDestructorDecl
Represents a C++ destructor within a class.
Definition: DeclCXX.h:2649
clang::ASTRecordReader::readRecord
Expected< unsigned > readRecord(llvm::BitstreamCursor &Cursor, unsigned AbbrevID)
Reads a record with id AbbrevID from Cursor, resetting the internal state.
Definition: ASTReader.cpp:11486
clang::ast_matchers::decl
const internal::VariadicAllOfMatcher< Decl > decl
Matches declarations.
Definition: ASTMatchersInternal.cpp:607
clang::VarDecl::setInit
void setInit(Expr *I)
Definition: Decl.cpp:2283
clang::Decl::setInvalidDecl
void setInvalidDecl(bool Invalid=true)
setInvalidDecl - Indicates the Decl had a semantic error.
Definition: DeclBase.cpp:132
clang::serialization::DECL_CXX_CONSTRUCTOR
A CXXConstructorDecl record.
Definition: ASTBitCodes.h:1311
DeclBase.h
clang::ASTDeclReader::VisitTypedefDecl
void VisitTypedefDecl(TypedefDecl *TD)
Definition: ASTReaderDecl.cpp:687
clang::Decl::getImportedOwningModule
Module * getImportedOwningModule() const
Get the imported owning module, if this decl is from an imported (non-local) module.
Definition: DeclBase.h:729
clang::CapturedDecl::setContextParam
void setContextParam(unsigned i, ImplicitParamDecl *P)
Definition: Decl.h:4295
clang::ObjCContainerDecl::setAtEndRange
void setAtEndRange(SourceRange atEnd)
Definition: DeclObjC.h:1138
clang::LinkageSpecDecl::setRBraceLoc
void setRBraceLoc(SourceLocation L)
Definition: DeclCXX.h:2824
clang::FunctionDecl::TK_MemberSpecialization
Definition: Decl.h:1797
clang::Redeclarable::PreviousDeclLink
static DeclLink PreviousDeclLink(decl_type *D)
Definition: Redeclarable.h:166
clang::ObjCMethodDecl::setRelatedResultType
void setRelatedResultType(bool RRT=true)
Note whether this method has a related result type.
Definition: DeclObjC.h:263
clang::serialization::UPD_DECL_EXPORTED
Definition: ASTCommon.h:43
clang::Decl::getDeclContext
DeclContext * getDeclContext()
Definition: DeclBase.h:438
clang::serialization::DECL_CXX_CTOR_INITIALIZERS
A record containing CXXCtorInitializers.
Definition: ASTBitCodes.h:1371
clang::serialization::DECL_VAR_TEMPLATE
A VarTemplateDecl record.
Definition: ASTBitCodes.h:1338
clang::IdentifierResolver
IdentifierResolver - Keeps track of shadowed decls on enclosing scopes.
Definition: IdentifierResolver.h:38
clang::ObjCTypeParamList::create
static ObjCTypeParamList * create(ASTContext &ctx, SourceLocation lAngleLoc, ArrayRef< ObjCTypeParamDecl *> typeParams, SourceLocation rAngleLoc)
Create a new Objective-C type parameter list.
Definition: DeclObjC.cpp:1459
clang::RedeclarableTemplateDecl::setMemberSpecialization
void setMemberSpecialization()
Note that this member template is a specialization.
Definition: DeclTemplate.h:893
clang::ASTRecordReader::readDecl
Decl * readDecl()
Reads a declaration from the given position in a record in the given module, advancing Idx...
Definition: ASTRecordReader.h:189
clang::NonTypeTemplateParmDecl
NonTypeTemplateParmDecl - Declares a non-type template parameter, e.g., "Size" in.
Definition: DeclTemplate.h:1383
clang::Decl::isTemplateParameter
bool isTemplateParameter() const
isTemplateParameter - Determines whether this declaration is a template parameter.
Definition: DeclBase.h:2458
DeclVisitor.h
clang::ObjCMethodDecl::setDefined
void setDefined(bool isDefined)
Definition: DeclObjC.h:450
clang::Decl::isTemplateParameterPack
bool isTemplateParameterPack() const
isTemplateParameter - Determines whether this declaration is a template parameter pack...
Definition: DeclBase.cpp:201
clang::ASTDeclReader::VisitConceptDecl
void VisitConceptDecl(ConceptDecl *D)
Definition: ASTReaderDecl.cpp:2035
clang::TagDecl::setCompleteDefinitionRequired
void setCompleteDefinitionRequired(bool V=true)
True if this complete decl is required to be complete for some existing use.
Definition: Decl.h:3339
clang::ASTDeclReader::VisitRedeclarableTemplateDecl
RedeclarableResult VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D)
Definition: ASTReaderDecl.cpp:2045
clang::serialization::ModuleFile
Information about a module that has been loaded by the ASTReader.
Definition: ModuleFile.h:107
clang::FunctionDecl::DefaultedFunctionInfo::Create
static DefaultedFunctionInfo * Create(ASTContext &Context, ArrayRef< DeclAccessPair > Lookups)
Definition: Decl.cpp:2834
clang::NestedNameSpecifier::NamespaceAlias
A namespace alias, stored as a NamespaceAliasDecl*.
Definition: NestedNameSpecifier.h:85
clang::FunctionDecl::setLateTemplateParsed
void setLateTemplateParsed(bool ILT=true)
State that this templated function will be late parsed.
Definition: Decl.h:2114
clang::ASTDeclReader::attachPreviousDecl
static void attachPreviousDecl(ASTReader &Reader, Decl *D, Decl *Previous, Decl *Canon)
Definition: ASTReaderDecl.cpp:3606
clang::Type::getContainedAutoType
AutoType * getContainedAutoType() const
Get the AutoType whose type will be deduced for a variable with an initializer of this type...
Definition: Type.h:2251
clang::DeclarationName::getAsIdentifierInfo
IdentifierInfo * getAsIdentifierInfo() const
Retrieve the IdentifierInfo * stored in this declaration name, or null if this declaration name isn&#39;t...
Definition: DeclarationName.h:410
clang::serialization::DECL_USING
A UsingDecl record.
Definition: ASTBitCodes.h:1275
clang::serialization::DECL_CXX_DESTRUCTOR
A CXXDestructorDecl record.
Definition: ASTBitCodes.h:1314
clang::ASTDeclReader::VisitOMPRequiresDecl
void VisitOMPRequiresDecl(OMPRequiresDecl *D)
Definition: ASTReaderDecl.cpp:2672
clang::serialization::ModuleFile::ObjCCategories
SmallVector< uint64_t, 1 > ObjCCategories
The Objective-C category lists for categories known to this module.
Definition: ModuleFile.h:445
clang::serialization::DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK
A NonTypeTemplateParmDecl record that stores an expanded non-type template parameter pack...
Definition: ASTBitCodes.h:1378
IdentifierTable.h
Defines the clang::IdentifierInfo, clang::IdentifierTable, and clang::Selector interfaces.
clang::NamespaceAliasDecl::CreateDeserialized
static NamespaceAliasDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:2817
clang::DeclContext::isFunctionOrMethod
bool isFunctionOrMethod() const
Definition: DeclBase.h:1836
ASTBitCodes.h
clang::StorageClass
StorageClass
Storage classes.
Definition: Specifiers.h:235
clang::ObjCInterfaceDecl::mergeClassExtensionProtocolList
void mergeClassExtensionProtocolList(ObjCProtocolDecl *const *List, unsigned Num, ASTContext &C)
mergeClassExtensionProtocolList - Merge class extension&#39;s protocol list into the protocol list for th...
Definition: DeclObjC.cpp:432
isConsumerInterestedIn
static bool isConsumerInterestedIn(ASTContext &Ctx, Decl *D, bool HasBody)
Determine whether the consumer will be interested in seeing this declaration (via HandleTopLevelDecl)...
Definition: ASTReaderDecl.cpp:2822
clang::serialization::UPD_ADDED_ATTR_TO_RECORD
Definition: ASTCommon.h:44
clang::DiagnosticLevelMask::Error
clang::PragmaMSCommentKind
PragmaMSCommentKind
Definition: PragmaKinds.h:14
Stmt.h
clang::Decl::ModuleOwnershipKind::VisibleWhenImported
This declaration has an owning module, and is visible when that module is imported.
clang::serialization::DECL_NAMESPACE_ALIAS
A NamespaceAliasDecl record.
Definition: ASTBitCodes.h:1272
clang::UsingDecl::setTypename
void setTypename(bool TN)
Sets whether the using declaration has &#39;typename&#39;.
Definition: DeclCXX.h:3427
clang::TypeAliasTemplateDecl
Declaration of an alias template.
Definition: DeclTemplate.h:2511
clang::TemplateTypeParmDecl::setTypeConstraint
void setTypeConstraint(NestedNameSpecifierLoc NNS, DeclarationNameInfo NameInfo, NamedDecl *FoundDecl, ConceptDecl *CD, const ASTTemplateArgumentListInfo *ArgsAsWritten, Expr *ImmediatelyDeclaredConstraint)
Definition: DeclTemplate.cpp:654
clang::TypedefNameDecl::setModedTypeSourceInfo
void setModedTypeSourceInfo(TypeSourceInfo *unmodedTSI, QualType modedTy)
Definition: Decl.h:3137
clang::TemplateTemplateParmDecl::getNumExpansionTemplateParameters
unsigned getNumExpansionTemplateParameters() const
Retrieves the number of expansion template parameters in an expanded parameter pack.
Definition: DeclTemplate.h:1702
clang::NonTypeTemplateParmDecl::CreateDeserialized
static NonTypeTemplateParmDecl * CreateDeserialized(ASTContext &C, unsigned ID, bool HasTypeConstraint)
Definition: DeclTemplate.cpp:720
clang::ASTContext::getFunctionType
QualType getFunctionType(QualType ResultTy, ArrayRef< QualType > Args, const FunctionProtoType::ExtProtoInfo &EPI) const
Return a normal function type with a typed argument list.
Definition: ASTContext.h:1401
clang::Decl::setLocation
void setLocation(SourceLocation L)
Definition: DeclBase.h:430
clang::TemplateTemplateParmDecl
TemplateTemplateParmDecl - Declares a template template parameter, e.g., "T" in.
Definition: DeclTemplate.h:1600
clang::ASTDeclReader::VisitTemplateTypeParmDecl
void VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D)
Definition: ASTReaderDecl.cpp:2315
clang::serialization::DECL_IMPLICIT_PARAM
An ImplicitParamDecl record.
Definition: ASTBitCodes.h:1226
clang::ObjCCategoryDecl::setIvarRBraceLoc
void setIvarRBraceLoc(SourceLocation Loc)
Definition: DeclObjC.h:2432
clang::sema::Capture
Definition: ScopeInfo.h:496
clang::ASTDeclReader::VisitDecompositionDecl
void VisitDecompositionDecl(DecompositionDecl *DD)
Definition: ASTReaderDecl.cpp:1486
clang::ObjCMethodDecl::setIsRedeclaration
void setIsRedeclaration(bool RD)
Definition: DeclObjC.h:269
clang::CXXDeductionGuideDecl
Represents a C++ deduction guide declaration.
Definition: DeclCXX.h:1842
clang::CXXConversionDecl
Represents a C++ conversion function within a class.
Definition: DeclCXX.h:2713
clang::UsingDirectiveDecl::CreateDeserialized
static UsingDirectiveDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:2721
clang::serialization::DECL_ENUM_CONSTANT
An EnumConstantDecl record.
Definition: ASTBitCodes.h:1178
clang::ObjCTypeParamDecl::CreateDeserialized
static ObjCTypeParamDecl * CreateDeserialized(ASTContext &ctx, unsigned ID)
Definition: DeclObjC.cpp:1426
clang::LCK_StarThis
Definition: Lambda.h:35
clang::ASTRecordReader::readString
std::string readString()
Read a string, advancing Idx.
Definition: ASTRecordReader.h:300
clang::QualType::isNull
bool isNull() const
Return true if this QualType doesn&#39;t point to a type yet.
Definition: Type.h:719
clang::NestedNameSpecifier::TypeSpec
A type, stored as a Type*.
Definition: NestedNameSpecifier.h:88
clang::ASTDeclReader::VisitNamespaceAliasDecl
void VisitNamespaceAliasDecl(NamespaceAliasDecl *D)
Definition: ASTReaderDecl.cpp:1601
clang::ObjCMethodDecl::setHasSkippedBody
void setHasSkippedBody(bool Skipped=true)
Definition: DeclObjC.h:475
clang::serialization::DECL_IMPORT
An ImportDecl recording a module import.
Definition: ASTBitCodes.h:1389
clang::serialization::DECL_OBJC_CATEGORY
A ObjCCategoryDecl record.
Definition: ASTBitCodes.h:1199
clang::BlockDecl::setDoesNotEscape
void setDoesNotEscape(bool B=true)
Definition: Decl.h:4189
clang::Decl::setDeclContext
void setDeclContext(DeclContext *DC)
setDeclContext - Set both the semantic and lexical DeclContext to DC.
Definition: DeclBase.cpp:295
clang::ObjCMethodDecl::CreateDeserialized
static ObjCMethodDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclObjC.cpp:821
OpenMPClause.h
This file defines OpenMP AST classes for clauses.
clang::serialization::DECL_CONCEPT
A ConceptDecl record.
Definition: ASTBitCodes.h:1362
clang::ASTDeclReader::AddLazySpecializations
static void AddLazySpecializations(T *D, SmallVectorImpl< serialization::DeclID > &IDs)
Definition: ASTReaderDecl.cpp:256
clang::Redeclarable::getFirstDecl
decl_type * getFirstDecl()
Return the first declaration of this declaration or itself if this is the only declaration.
Definition: Redeclarable.h:215
clang::OMPAllocateDecl::CreateDeserialized
static OMPAllocateDecl * CreateDeserialized(ASTContext &C, unsigned ID, unsigned NVars, unsigned NClauses)
Definition: DeclOpenMP.cpp:74
clang::ASTDeclReader::VisitObjCTypeParamDecl
void VisitObjCTypeParamDecl(ObjCTypeParamDecl *D)
Definition: ASTReaderDecl.cpp:1070
clang::ASTDeclReader::VisitObjCProtocolDecl
void VisitObjCProtocolDecl(ObjCProtocolDecl *D)
Definition: ASTReaderDecl.cpp:1209
clang::serialization::DECL_FILE_SCOPE_ASM
A FileScopeAsmDecl record.
Definition: ASTBitCodes.h:1238
clang::serialization::DECL_OBJC_COMPATIBLE_ALIAS
A ObjCCompatibleAliasDecl record.
Definition: ASTBitCodes.h:1208
clang::DeclContext::setHasExternalVisibleStorage
void setHasExternalVisibleStorage(bool ES=true) const
State whether this DeclContext has external storage for declarations visible in this context...
Definition: DeclBase.h:2366
clang::serialization::DECL_LIFETIME_EXTENDED_TEMPORARY
An LifetimeExtendedTemporaryDecl record.
Definition: ASTBitCodes.h:1404
clang::Decl::hasAttrs
bool hasAttrs() const
Definition: DeclBase.h:484
clang::ASTDeclReader::VisitPragmaCommentDecl
void VisitPragmaCommentDecl(PragmaCommentDecl *D)
Definition: ASTReaderDecl.cpp:629
clang::ASTReader::mergeDefinitionVisibility
void mergeDefinitionVisibility(NamedDecl *Def, NamedDecl *MergedDef)
Note that MergedDef is a redefinition of the canonical definition Def, so Def should be visible whene...
Definition: ASTReader.cpp:4061
clang::FunctionDecl::TK_NonTemplate
Definition: Decl.h:1792
clang::TypeAliasTemplateDecl::CreateDeserialized
static TypeAliasTemplateDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Create an empty alias template node.
Definition: DeclTemplate.cpp:1080
clang::BlockDecl::setIsVariadic
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Definition: Decl.h:4113
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Definition: ASTReaderDecl.cpp:2918
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Definition: ASTReaderDecl.cpp:1948
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static PragmaDetectMismatchDecl * CreateDeserialized(ASTContext &C, unsigned ID, unsigned NameValueSize)
Definition: Decl.cpp:4634
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uint32_t SubmoduleID
An ID number that refers to a submodule in a module file.
Definition: ASTBitCodes.h:171
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Represents a C++ Modules TS module export declaration.
Definition: Decl.h:4396
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PropertyControl
Definition: DeclObjC.h:774
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Definition: Decl.h:644
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Sets the location of the colon.
Definition: DeclCXX.h:110
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An UnresolvedUsingValueDecl record.
Definition: ASTBitCodes.h:1290
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The "struct" keyword.
Definition: Type.h:5189
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Definition: ChrootChecker.cpp:29
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Return the previous declaration of this declaration or NULL if this is the first declaration.
Definition: Redeclarable.h:203
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static void markIncompleteDeclChainImpl(Redeclarable< DeclT > *D)
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static CXXDestructorDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:2622
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Encodes a location in the source.
Definition: SourceLocation.h:86
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static EmptyDecl * CreateDeserialized(ASTContext &C, unsigned ID)
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Definition: Type.h:3680
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static TemplateTemplateParmDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclTemplate.cpp:797
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Set whether this declaration is hidden from name lookup.
Definition: DeclBase.h:791
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This represents &#39;#pragma omp declare reduction ...&#39; directive.
Definition: DeclOpenMP.h:102
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A record that stores the set of declarations that are visible from a given DeclContext.
Definition: ASTBitCodes.h:1263
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Pseudo declaration for capturing expressions.
Definition: DeclOpenMP.h:312
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void setIvarLBraceLoc(SourceLocation Loc)
Definition: DeclObjC.h:2430
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Definition: ASTBitCodes.h:73
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Definition: ASTCommon.h:28
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Definition: DeclObjC.h:1131
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Definition: ASTReaderDecl.cpp:2391
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Definition: ASTReaderDecl.cpp:2041
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Definition: Decl.h:584
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A UsingPackDecl record.
Definition: ASTBitCodes.h:1278
clang::TagDecl::setFreeStanding
void setFreeStanding(bool isFreeStanding=true)
True if this tag is free standing, e.g. "struct foo;".
Definition: Decl.h:3362
clang::ObjCMethodDecl::setObjCDeclQualifier
void setObjCDeclQualifier(ObjCDeclQualifier QV)
Definition: DeclObjC.h:252
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Represents the declaration of a struct/union/class/enum.
Definition: Decl.h:3219
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ASTContext & getASTContext() const LLVM_READONLY
Definition: DeclBase.cpp:377
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static DecompositionDecl * CreateDeserialized(ASTContext &C, unsigned ID, unsigned NumBindings)
Definition: DeclCXX.cpp:3085
Lambda.h
Defines several types used to describe C++ lambda expressions that are shared between the parser and ...
clang::ASTRecordReader::readAttributes
void readAttributes(AttrVec &Attrs)
Reads attributes from the current stream position, advancing Idx.
Definition: ASTReaderDecl.cpp:2796
clang::Decl::setReferenced
void setReferenced(bool R=true)
Definition: DeclBase.h:588
clang::LabelDecl
Represents the declaration of a label.
Definition: Decl.h:451
clang::ASTDeclReader::mergeTemplatePattern
void mergeTemplatePattern(RedeclarableTemplateDecl *D, RedeclarableTemplateDecl *Existing, DeclID DsID, bool IsKeyDecl)
Merge together the pattern declarations from two template declarations.
Definition: ASTReaderDecl.cpp:2507
clang::ObjCPropertyDecl::setPropertyAttributesAsWritten
void setPropertyAttributesAsWritten(PropertyAttributeKind PRVal)
Definition: DeclObjC.h:869
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Represents a dependent using declaration which was not marked with typename.
Definition: DeclCXX.h:3588
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void setPosition(unsigned P)
Definition: DeclTemplate.h:1165
clang::CXXDeductionGuideDecl::setIsCopyDeductionCandidate
void setIsCopyDeductionCandidate(bool isCDC=true)
Definition: DeclCXX.h:1883
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void VisitObjCImplDecl(ObjCImplDecl *D)
Definition: ASTReaderDecl.cpp:1303
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void setSetterMethodDecl(ObjCMethodDecl *MD)
Definition: DeclObjC.h:2872
DeclarationName.h
clang::CXXMethodDecl
Represents a static or instance method of a struct/union/class.
Definition: DeclCXX.h:1931
clang::ASTRecordReader::readAttr
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Reads one attribute from the current stream position, advancing Idx.
Definition: ASTReaderDecl.cpp:2765
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void setDefaulted(bool D=true)
Definition: Decl.h:2131
clang::RecordDecl::setHasFlexibleArrayMember
void setHasFlexibleArrayMember(bool V)
Definition: Decl.h:3806
clang::EnumDecl::getCanonicalDecl
EnumDecl * getCanonicalDecl() override
Retrieves the "canonical" declaration of the given declaration.
Definition: Decl.h:3560
clang::ASTRecordReader::GetLocalDeclAs
T * GetLocalDeclAs(uint32_t LocalID)
Reads a declaration with the given local ID in the given module.
Definition: ASTRecordReader.h:141
clang::NestedNameSpecifier
Represents a C++ nested name specifier, such as "\::std::vector<int>::".
Definition: NestedNameSpecifier.h:48
clang::Redeclarable::First
decl_type * First
Definition: Redeclarable.h:187
clang::ASTDeclReader::VisitBindingDecl
void VisitBindingDecl(BindingDecl *BD)
Definition: ASTReaderDecl.cpp:1495
AttrIterator.h
clang::serialization::DECL_TEMPLATE_TYPE_PARM
A TemplateTypeParmDecl record.
Definition: ASTBitCodes.h:1350
DeclOpenMP.h
This file defines OpenMP nodes for declarative directives.
clang::Redeclarable::isFirstDecl
bool isFirstDecl() const
True if this is the first declaration in its redeclaration chain.
Definition: Redeclarable.h:222
clang::FunctionTemplateDecl::Common
Data that is common to all of the declarations of a given function template.
Definition: DeclTemplate.h:983
clang::ASTContext::getAsArrayType
const ArrayType * getAsArrayType(QualType T) const
Type Query functions.
Definition: ASTContext.cpp:5711
clang::ObjCCategoryDecl
ObjCCategoryDecl - Represents a category declaration.
Definition: DeclObjC.h:2294
clang::ClassTemplateDecl::getInjectedClassNameSpecialization
QualType getInjectedClassNameSpecialization()
Retrieve the template specialization type of the injected-class-name for this class template...
Definition: DeclTemplate.cpp:565
clang::serialization::DECL_OBJC_METHOD
A ObjCMethodDecl record.
Definition: ASTBitCodes.h:1184
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static ConceptDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclTemplate.cpp:982
clang::FunctionTemplateSpecializationInfo::getFunction
FunctionDecl * getFunction() const
Retrieve the declaration of the function template specialization.
Definition: DeclTemplate.h:526
clang::UnresolvedSetImpl::addDecl
void addDecl(NamedDecl *D)
Definition: UnresolvedSet.h:91
clang::NamedDecl::setDeclName
void setDeclName(DeclarationName N)
Set the name of this declaration.
Definition: Decl.h:275
clang::MSPropertyDecl::CreateDeserialized
static MSPropertyDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:3123
clang::serialization::DeclOffset::getLocation
SourceLocation getLocation() const
Definition: ASTBitCodes.h:235
clang::ObjCMethodDecl::setOverriding
void setOverriding(bool IsOver)
Definition: DeclObjC.h:460
PragmaKinds.h
clang::ConstructorUsingShadowDecl::CreateDeserialized
static ConstructorUsingShadowDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:2894
clang::serialization::ObjCCategoriesInfo
Describes the categories of an Objective-C class.
Definition: ASTBitCodes.h:1932
llvm::SmallVector< uint64_t, 64 >
clang::ASTReader::isDeclIDFromModule
bool isDeclIDFromModule(serialization::GlobalDeclID ID, ModuleFile &M) const
Returns true if global DeclID ID originated from module M.
Definition: ASTReader.cpp:7205
clang::TemplateDecl::init
void init(NamedDecl *templatedDecl, TemplateParameterList *templateParams)
Initialize the underlying templated declaration and template parameters.
Definition: DeclTemplate.h:459
clang::TagDecl::setTagKind
void setTagKind(TagKind TK)
Definition: Decl.h:3402
clang::ASTRecordReader::getIdx
unsigned getIdx() const
The current position in this record.
Definition: ASTRecordReader.h:56
clang::RedeclarableTemplateDecl::Common
CommonBase * Common
Pointer to the common data shared by all declarations of this template.
Definition: DeclTemplate.h:841
clang::TemplateParameterList::size
unsigned size() const
Definition: DeclTemplate.h:129
Module.h
Defines the clang::Module class, which describes a module in the source code.
clang::FunctionDecl::CreateDeserialized
static FunctionDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: Decl.cpp:4718
clang::ObjCPropertyDecl
Represents one property declaration in an Objective-C interface.
Definition: DeclObjC.h:741
clang::ObjCCategoryDecl::setProtocolList
void setProtocolList(ObjCProtocolDecl *const *List, unsigned Num, const SourceLocation *Locs, ASTContext &C)
setProtocolList - Set the list of protocols that this interface implements.
Definition: DeclObjC.h:2358
clang::Decl::isFromASTFile
bool isFromASTFile() const
Determine whether this declaration came from an AST file (such as a precompiled header or module) rat...
Definition: DeclBase.h:702
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An ID number that refers to a type in an AST file.
Definition: ASTBitCodes.h:85
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void setInitializer(Expr *E, InitKind IK)
Set initializer expression for the declare reduction construct.
Definition: DeclOpenMP.h:183
UnresolvedSet.h
clang::OMPDeclareMapperDecl::setMapperVarRef
void setMapperVarRef(Expr *MapperVarRefE)
Set the variable declared in the mapper.
Definition: DeclOpenMP.h:285
clang::DeclVisitor
A simple visitor class that helps create declaration visitors.
Definition: DeclVisitor.h:66
clang::serialization::DECL_UPDATES
const unsigned int DECL_UPDATES
Record of updates for a declaration that was modified after being deserialized.
Definition: ASTBitCodes.h:1152
clang::ASTDeclReader::VisitObjCInterfaceDecl
void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D)
Definition: ASTReaderDecl.cpp:1143
clang::ASTDeclReader::VisitObjCPropertyImplDecl
void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D)
Definition: ASTReaderDecl.cpp:1326
clang::ASTDeclReader::VisitRecordDecl
void VisitRecordDecl(RecordDecl *RD)
Definition: ASTReaderDecl.cpp:331
clang::serialization::ObjCCategoriesInfo::DefinitionID
DeclID DefinitionID
Definition: ASTBitCodes.h:1934
assert_cast
static T assert_cast(T t)
"Cast" to type T, asserting if we don&#39;t have an implicit conversion.
Definition: ASTReaderDecl.cpp:2500
clang::ASTRecordReader::getGlobalSubmoduleID
serialization::SubmoduleID getGlobalSubmoduleID(unsigned LocalID)
Retrieve the global submodule ID its local ID number.
Definition: ASTRecordReader.h:85
clang::serialization::DECL_OMP_DECLARE_MAPPER
An OMPDeclareMapperDecl record.
Definition: ASTBitCodes.h:1422
clang::serialization::DECL_VAR
A VarDecl record.
Definition: ASTBitCodes.h:1223
clang::VarTemplateDecl::CreateDeserialized
static VarTemplateDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Create an empty variable template node.
Definition: DeclTemplate.cpp:1128
clang::serialization::DECL_NAMESPACE
A NamespaceDecl record.
Definition: ASTBitCodes.h:1269
clang::StaticAssertDecl
Represents a C++11 static_assert declaration.
Definition: DeclCXX.h:3763
memcpy
__DEVICE__ void * memcpy(void *__a, const void *__b, size_t __c)
Definition: __clang_cuda_device_functions.h:1632
clang::serialization::UPD_CXX_RESOLVED_DTOR_DELETE
Definition: ASTCommon.h:34
clang::serialization::DeclOffset::BitOffset
uint32_t BitOffset
Offset in the AST file.
Definition: ASTBitCodes.h:225
clang::serialization::DECL_OMP_ALLOCATE
An OMPAllocateDcl record.
Definition: ASTBitCodes.h:1398
clang::FunctionDecl::setExplicitlyDefaulted
void setExplicitlyDefaulted(bool ED=true)
State that this function is explicitly defaulted per C++0x.
Definition: Decl.h:2141
clang::TemplateArgumentListInfo::setLAngleLoc
void setLAngleLoc(SourceLocation Loc)
Definition: TemplateBase.h:573
clang::ASTDeclReader::VisitExportDecl
void VisitExportDecl(ExportDecl *D)
Definition: ASTReaderDecl.cpp:1559
clang::TemplateArgumentListInfo::addArgument
void addArgument(const TemplateArgumentLoc &Loc)
Definition: TemplateBase.h:594
clang::serialization::MK_MainFile
File is a PCH file treated as the actual main file.
Definition: ModuleFile.h:56
clang::FunctionProtoType::getExceptionSpecType
ExceptionSpecificationType getExceptionSpecType() const
Get the kind of exception specification on this function.
Definition: Type.h:3989
clang::ImportDecl
Describes a module import declaration, which makes the contents of the named module visible in the cu...
Definition: Decl.h:4331
clang::ASTRecordReader::readDeclID
serialization::DeclID readDeclID()
Reads a declaration ID from the given position in this record.
Definition: ASTRecordReader.h:183
clang::VarTemplatePartialSpecializationDecl
Definition: DeclTemplate.h:2916
clang::ASTDeclReader::VisitValueDecl
void VisitValueDecl(ValueDecl *VD)
Definition: ASTReaderDecl.cpp:805
clang::FunctionDecl::setVirtualAsWritten
void setVirtualAsWritten(bool V)
State that this function is marked as virtual explicitly.
Definition: Decl.h:2101
clang::serialization::DECL_OBJC_PROTOCOL
A ObjCProtocolDecl record.
Definition: ASTBitCodes.h:1190
clang::TemplateTypeParmDecl::setDeclaredWithTypename
void setDeclaredWithTypename(bool withTypename)
Set whether this template type parameter was declared with the &#39;typename&#39; or &#39;class&#39; keyword...
Definition: DeclTemplate.h:1288
clang::FunctionDecl::setHasWrittenPrototype
void setHasWrittenPrototype(bool P=true)
State that this function has a written prototype.
Definition: Decl.h:2183
clang::ASTDeclReader::hasPendingBody
bool hasPendingBody() const
Determine whether this declaration has a pending body.
Definition: ASTReaderDecl.cpp:302
Specifiers.h
Defines various enumerations that describe declaration and type specifiers.
clang::ImplicitParamDecl
Definition: Decl.h:1531
NestedNameSpecifier.h
clang::NonTypeTemplateParmDecl::hasPlaceholderTypeConstraint
bool hasPlaceholderTypeConstraint() const
Determine whether this non-type template parameter&#39;s type has a placeholder with a type-constraint...
Definition: DeclTemplate.h:1572
clang::ObjCPropertyImplDecl::setSetterCXXAssignment
void setSetterCXXAssignment(Expr *setterCXXAssignment)
Definition: DeclObjC.h:2886
clang::ASTDeclReader::VisitEnumDecl
void VisitEnumDecl(EnumDecl *ED)
Definition: ASTReaderDecl.cpp:736
clang::TypedefDecl::CreateDeserialized
static TypedefDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: Decl.cpp:4848
clang::TypedefNameDecl
Base class for declarations which introduce a typedef-name.
Definition: Decl.h:3071
clang::ObjCPropertyImplDecl::setPropertyDecl
void setPropertyDecl(ObjCPropertyDecl *Prop)
Definition: DeclObjC.h:2840
clang::serialization::DECL_CXX_CONVERSION
A CXXConversionDecl record.
Definition: ASTBitCodes.h:1317
clang::DeducedType::isDeduced
bool isDeduced() const
Definition: Type.h:4862
clang::TagTypeKind
TagTypeKind
The kind of a tag type.
Definition: Type.h:5187
clang::ASTDeclReader::ReadObjCTypeParamList
ObjCTypeParamList * ReadObjCTypeParamList()
Definition: ASTReaderDecl.cpp:1085
clang::NonTypeTemplateParmDecl::setPlaceholderTypeConstraint
void setPlaceholderTypeConstraint(Expr *E)
Definition: DeclTemplate.h:1566
Decl.h
clang::interp::Compare
ComparisonCategoryResult Compare(const T &X, const T &Y)
Helper to compare two comparable types.
Definition: Integral.h:32
clang
Dataflow Directional Tag Classes.
Definition: CFGReachabilityAnalysis.h:21
clang::ASTDeclReader::VisitCXXConversionDecl
void VisitCXXConversionDecl(CXXConversionDecl *D)
Definition: ASTReaderDecl.cpp:1976
clang::TypeAliasDecl::setDescribedAliasTemplate
void setDescribedAliasTemplate(TypeAliasTemplateDecl *TAT)
Definition: Decl.h:3211
clang::BlockDecl::setBody
void setBody(CompoundStmt *B)
Definition: Decl.h:4117
clang::LifetimeExtendedTemporaryDecl::getManglingNumber
unsigned getManglingNumber() const
Definition: DeclCXX.h:3126
clang::CXXConversionDecl::CreateDeserialized
static CXXConversionDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:2656
clang::serialization::ModuleFile::DeclsCursor
llvm::BitstreamCursor DeclsCursor
DeclsCursor - This is a cursor to the start of the DECLS_BLOCK block.
Definition: ModuleFile.h:408
clang::Type::getContainedDeducedType
DeducedType * getContainedDeducedType() const
Get the DeducedType whose type will be deduced for a variable with an initializer of this type...
Definition: Type.cpp:1808
clang::serialization::UPD_CXX_INSTANTIATED_DEFAULT_MEMBER_INITIALIZER
Definition: ASTCommon.h:33
clang::ClassScopeFunctionSpecializationDecl::CreateDeserialized
static ClassScopeFunctionSpecializationDecl * CreateDeserialized(ASTContext &Context, unsigned ID)
Definition: DeclTemplate.cpp:1100
isSameTemplateParameterList
static bool isSameTemplateParameterList(const TemplateParameterList *X, const TemplateParameterList *Y)
Determine whether two template parameter lists are similar enough that they may be used in declaratio...
Definition: ASTReaderDecl.cpp:2959
clang::RecordDecl::setHasVolatileMember
void setHasVolatileMember(bool val)
Definition: Decl.h:3834
clang::ConceptDecl
Definition: DeclTemplate.h:3226
clang::ObjCPropertyDecl::setGetterName
void setGetterName(Selector Sel, SourceLocation Loc=SourceLocation())
Definition: DeclObjC.h:923
clang::DeclContext
DeclContext - This is used only as base class of specific decl types that can act as declaration cont...
Definition: DeclBase.h:1271
clang::ClassTemplateDecl::CreateDeserialized
static ClassTemplateDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Create an empty class template node.
Definition: DeclTemplate.cpp:426
clang::serialization::UPD_MANGLING_NUMBER
Definition: ASTCommon.h:38
clang::TemplateDecl
The base class of all kinds of template declarations (e.g., class, function, etc.).
Definition: DeclTemplate.h:402
clang::ASTDeclReader::VisitFunctionDecl
void VisitFunctionDecl(FunctionDecl *FD)
Definition: ASTReaderDecl.cpp:839
clang::ObjCImplDecl
Definition: DeclObjC.h:2439
clang::serialization::DECL_RECORD
A RecordDecl record.
Definition: ASTBitCodes.h:1175
clang::EvaluatedStmt::HasConstantDestruction
bool HasConstantDestruction
Whether this variable is known to have constant destruction.
Definition: Decl.h:809
clang::serialization::UPD_DECL_MARKED_USED
Definition: ASTCommon.h:37
llvm::SaveAndRestore< bool >
clang::serialization::DECL_LABEL
A LabelDecl record.
Definition: ASTBitCodes.h:1266
clang::ASTReader
Reads an AST files chain containing the contents of a translation unit.
Definition: ASTReader.h:340
clang::IndirectFieldDecl
Represents a field injected from an anonymous union/struct into the parent scope. ...
Definition: Decl.h:2980
clang::ASTRecordReader::readIdentifier
IdentifierInfo * readIdentifier()
Definition: ASTRecordReader.h:206
clang::SC_Extern
Definition: Specifiers.h:238
clang::serialization::DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION
A ClassTemplatePartialSpecializationDecl record.
Definition: ASTBitCodes.h:1335
clang::ClassTemplatePartialSpecializationDecl
Definition: DeclTemplate.h:2066
clang::UnresolvedUsingValueDecl::setUsingLoc
void setUsingLoc(SourceLocation L)
Set the source location of the &#39;using&#39; keyword.
Definition: DeclCXX.h:3623
clang::serialization::DeclCode
DeclCode
Record codes for each kind of declaration.
Definition: ASTBitCodes.h:1164
clang::DecompositionDecl
A decomposition declaration.
Definition: DeclCXX.h:3869
clang::ASTDeclReader::VisitCXXRecordDeclImpl
RedeclarableResult VisitCXXRecordDeclImpl(CXXRecordDecl *D)
Definition: ASTReaderDecl.cpp:1862
clang::ObjCInterfaceDecl::setIvarList
void setIvarList(ObjCIvarDecl *ivar)
Definition: DeclObjC.h:1502
clang::Decl::IdentifierNamespace
IdentifierNamespace
IdentifierNamespace - The different namespaces in which declarations may appear.
Definition: DeclBase.h:117
clang::VarTemplatePartialSpecializationDecl::CreateDeserialized
static VarTemplatePartialSpecializationDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclTemplate.cpp:1326
clang::UnresolvedUsingTypenameDecl
Represents a dependent using declaration which was marked with typename.
Definition: DeclCXX.h:3684
IdentifierResolver.h
clang::serialization::DECL_CLASS_SCOPE_FUNCTION_SPECIALIZATION
A ClassScopeFunctionSpecializationDecl record a class scope function specialization.
Definition: ASTBitCodes.h:1386
clang::DeclarationName
The name of a declaration.
Definition: DeclarationName.h:145
clang::ObjCTypeParamDecl
Represents the declaration of an Objective-C type parameter.
Definition: DeclObjC.h:571
clang::Decl::getKind
Kind getKind() const
Definition: DeclBase.h:432
clang::ASTDeclReader::VisitObjCMethodDecl
void VisitObjCMethodDecl(ObjCMethodDecl *D)
Definition: ASTReaderDecl.cpp:1024
clang::serialization::DECL_MS_PROPERTY
A MSPropertyDecl record.
Definition: ASTBitCodes.h:1220
clang::FunctionDecl::setDependentTemplateSpecialization
void setDependentTemplateSpecialization(ASTContext &Context, const UnresolvedSetImpl &Templates, const TemplateArgumentListInfo &TemplateArgs)
Specifies that this function declaration is actually a dependent function template specialization...
Definition: Decl.cpp:3714
clang::serialization::DECL_LINKAGE_SPEC
A LinkageSpecDecl record.
Definition: ASTBitCodes.h:1296
clang::ASTDeclReader::VisitRecordDeclImpl
RedeclarableResult VisitRecordDeclImpl(RecordDecl *RD)
Definition: ASTReaderDecl.cpp:788
clang::serialization::DECL_CXX_RECORD
A CXXRecordDecl record.
Definition: ASTBitCodes.h:1302
clang::VarDecl::ParmVarDeclBits
ParmVarDeclBitfields ParmVarDeclBits
Definition: Decl.h:985
clang::ObjCCategoryDecl::CreateDeserialized
static ObjCCategoryDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclObjC.cpp:2038
clang::UnresolvedSet< 8 >
clang::ASTDeclReader::VisitObjCCategoryImplDecl
void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D)
Definition: ASTReaderDecl.cpp:1308
clang::ASTDeclReader::VisitObjCImplementationDecl
void VisitObjCImplementationDecl(ObjCImplementationDecl *D)
Definition: ASTReaderDecl.cpp:1313
clang::EnumDecl
Represents an enum.
Definition: Decl.h:3481
clang::ASTDeclReader::VisitObjCCompatibleAliasDecl
void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D)
Definition: ASTReaderDecl.cpp:1274
allowODRLikeMergeInC
static bool allowODRLikeMergeInC(NamedDecl *ND)
ODR-like semantics for C/ObjC allow us to merge tag types and a structural check in Sema guarantees t...
Definition: ASTReaderDecl.cpp:2592
clang::TemplateSpecializationKind
TemplateSpecializationKind
Describes the kind of template specialization that a particular template specialization declaration r...
Definition: Specifiers.h:175
forAllLaterRedecls
static void forAllLaterRedecls(DeclT *D, Fn F)
Definition: ASTReaderDecl.cpp:4303
clang::LinkageSpecDecl::setExternLoc
void setExternLoc(SourceLocation L)
Definition: DeclCXX.h:2823
inheritDefaultTemplateArgument
static bool inheritDefaultTemplateArgument(ASTContext &Context, ParmDecl *From, Decl *ToD)
Inherit the default template argument from From to To.
Definition: ASTReaderDecl.cpp:3576
clang::DeclarationNameInfo
DeclarationNameInfo - A collector data type for bundling together a DeclarationName and the correspnd...
Definition: DeclarationName.h:690
clang::Decl::IDNS_Tag
Tags, declared with &#39;struct foo;&#39; and referenced with &#39;struct foo&#39;.
Definition: DeclBase.h:127
clang::NestedNameSpecifier::TypeSpecWithTemplate
A type that was preceded by the &#39;template&#39; keyword, stored as a Type*.
Definition: NestedNameSpecifier.h:92
clang::ASTContext::getExternalSource
ExternalASTSource * getExternalSource() const
Retrieve a pointer to the external AST source associated with this AST context, if any...
Definition: ASTContext.h:1086
clang::FriendTemplateDecl::CreateDeserialized
static FriendTemplateDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclTemplate.cpp:1061
clang::LabelDecl::CreateDeserialized
static LabelDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: Decl.cpp:4661
clang::serialization::DeclID
uint32_t DeclID
An ID number that refers to a declaration in an AST file.
Definition: ASTBitCodes.h:68
clang::ASTRecordReader::readVersionTuple
VersionTuple readVersionTuple()
Read a version tuple, advancing Idx.
Definition: ASTRecordReader.h:310
clang::Module::AllVisible
All of the names in this module are visible.
Definition: Module.h:277
clang::ASTRecordReader::readInt
uint64_t readInt()
Returns the current value in this record, and advances to the next value.
Definition: ASTRecordReader.h:69
clang::Decl::setLocalExternDecl
void setLocalExternDecl()
Changes the namespace of this declaration to reflect that it&#39;s a function-local extern declaration...
Definition: DeclBase.h:1042
clang::LCK_VLAType
Capturing variable-length array type.
Definition: Lambda.h:38
clang::ASTReader::RecordData
SmallVector< uint64_t, 64 > RecordData
Definition: ASTReader.h:360
clang::serialization::DECL_PRAGMA_COMMENT
A PragmaCommentDecl record.
Definition: ASTBitCodes.h:1416
clang::ASTReader::getIdResolver
IdentifierResolver & getIdResolver()
Get the identifier resolver used for name lookup / updates in the translation unit scope...
Definition: ASTReader.cpp:11482
clang::ObjCAtDefsFieldDecl::CreateDeserialized
static ObjCAtDefsFieldDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclObjC.cpp:1857
clang::ObjCImplementationDecl
ObjCImplementationDecl - Represents a class definition - this is where method definitions are specifi...
Definition: DeclObjC.h:2566
clang::ASTDeclReader::VisitObjCPropertyDecl
void VisitObjCPropertyDecl(ObjCPropertyDecl *D)
Definition: ASTReaderDecl.cpp:1279
clang::Type::isIncompleteArrayType
bool isIncompleteArrayType() const
Definition: Type.h:6578
clang::Mergeable
Provides common interface for the Decls that cannot be redeclared, but can be merged if the same decl...
Definition: Redeclarable.h:312
clang::ExportDecl::CreateDeserialized
static ExportDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: Decl.cpp:4988
clang::declvisitor::Base< std::add_pointer, ImplClass, RetTy >::Visit
RetTy Visit(PTR(Decl) D)
Definition: DeclVisitor.h:37
clang::VarDecl::NonParmVarDeclBits
NonParmVarDeclBitfields NonParmVarDeclBits
Definition: Decl.h:986
TemplateBase.h
clang::ASTDeclReader::VisitOMPDeclareMapperDecl
void VisitOMPDeclareMapperDecl(OMPDeclareMapperDecl *D)
Definition: ASTReaderDecl.cpp:2699
clang::serialization::DECL_FUNCTION
A FunctionDecl record.
Definition: ASTBitCodes.h:1181
clang::RedeclarableTemplateDecl::setInstantiatedFromMemberTemplate
void setInstantiatedFromMemberTemplate(RedeclarableTemplateDecl *TD)
Definition: DeclTemplate.h:939
DeclFriend.h
clang::ASTDeclReader
Definition: ASTReaderDecl.cpp:80
clang::Type::getCanonicalTypeInternal
QualType getCanonicalTypeInternal() const
Definition: Type.h:2429
clang::serialization::DECL_BLOCK
A BlockDecl record.
Definition: ASTBitCodes.h:1241
clang::ObjCImplementationDecl::setHasNonZeroConstructors
void setHasNonZeroConstructors(bool val)
Definition: DeclObjC.h:2669
clang::ClassTemplatePartialSpecializationDecl::CreateDeserialized
static ClassTemplatePartialSpecializationDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclTemplate.cpp:1040
clang::LinkageSpecDecl::LanguageIDs
LanguageIDs
Represents the language in a linkage specification.
Definition: DeclCXX.h:2787
clang::ASTRecordReader::getGlobalBitOffset
uint64_t getGlobalBitOffset(uint32_t LocalOffset)
Read information about an exception specification (inherited).
Definition: ASTRecordReader.h:120
clang::ImplicitParamDecl::CreateDeserialized
static ImplicitParamDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: Decl.cpp:4697
clang::FunctionDecl::setConstexprKind
void setConstexprKind(ConstexprSpecKind CSK)
Definition: Decl.h:2203
clang::RecordDecl::CreateDeserialized
static RecordDecl * CreateDeserialized(const ASTContext &C, unsigned ID)
Definition: Decl.cpp:4398
clang::OMPDeclareReductionDecl::setCombiner
void setCombiner(Expr *E)
Set combiner expression for the declare reduction construct.
Definition: DeclOpenMP.h:161
clang::CXXMethodDecl::CreateDeserialized
static CXXMethodDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:2068
clang::DeclaratorDecl::setTypeSourceInfo
void setTypeSourceInfo(TypeSourceInfo *TI)
Definition: Decl.h:706
clang::DeclaratorDecl::getTypeSourceInfo
TypeSourceInfo * getTypeSourceInfo() const
Definition: Decl.h:700
clang::FunctionDecl::setUsesSEHTry
void setUsesSEHTry(bool UST)
Definition: Decl.h:2234
clang::RedeclarableTemplateDecl::getCanonicalDecl
RedeclarableTemplateDecl * getCanonicalDecl() override
Retrieves the canonical declaration of this template.
Definition: DeclTemplate.h:863
clang::EnumDecl::CreateDeserialized
static EnumDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: Decl.cpp:4264
clang::DeclContext::getRedeclContext
DeclContext * getRedeclContext()
getRedeclContext - Retrieve the context in which an entity conflicts with other entities of the same ...
Definition: DeclBase.cpp:1747
clang::ASTContext::hasSameType
bool hasSameType(QualType T1, QualType T2) const
Determine whether the given types T1 and T2 are equivalent.
Definition: ASTContext.h:2321
clang::ASTDeclReader::VisitNamespaceDecl
void VisitNamespaceDecl(NamespaceDecl *D)
Definition: ASTReaderDecl.cpp:1569
clang::FunctionTemplateDecl::CreateDeserialized
static FunctionTemplateDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Create an empty function template node.
Definition: DeclTemplate.cpp:326
clang::ObjCInterfaceDecl::getCanonicalDecl
ObjCInterfaceDecl * getCanonicalDecl() override
Retrieves the canonical declaration of this Objective-C class.
Definition: DeclObjC.h:1929
clang::RecordDecl::setHasNonTrivialToPrimitiveDestructCUnion
void setHasNonTrivialToPrimitiveDestructCUnion(bool V)
Definition: Decl.h:3883
clang::ObjCInterfaceDecl::setCategoryListRaw
void setCategoryListRaw(ObjCCategoryDecl *category)
Set the raw pointer to the start of the category/extension list.
Definition: DeclObjC.h:1811
clang::ObjCPropertyDecl::setSetterName
void setSetterName(Selector Sel, SourceLocation Loc=SourceLocation())
Definition: DeclObjC.h:931
clang::TTK_Class
The "class" keyword.
Definition: Type.h:5198
clang::APValue
APValue - This class implements a discriminated union of [uninitialized] [APSInt] [APFloat]...
Definition: APValue.h:115
NO_MERGE
#define NO_MERGE(Field)
clang::LCK_This
Capturing the *this object by reference.
Definition: Lambda.h:34
clang::OMPDeclareMapperDecl::clauselist_size
unsigned clauselist_size() const
Definition: DeclOpenMP.h:267
clang::ASTDeclReader::VisitUsingDirectiveDecl
void VisitUsingDirectiveDecl(UsingDirectiveDecl *D)
Definition: ASTReaderDecl.cpp:1652
clang::Decl::markUsed
void markUsed(ASTContext &C)
Mark the declaration used, in the sense of odr-use.
Definition: DeclBase.cpp:413
clang::CXXConstructorDecl::CreateDeserialized
static CXXConstructorDecl * CreateDeserialized(ASTContext &C, unsigned ID, uint64_t AllocKind)
Definition: DeclCXX.cpp:2469
clang::DeclaratorDecl::setInnerLocStart
void setInnerLocStart(SourceLocation L)
Definition: Decl.h:715
clang::ParmVarDecl::setObjCMethodScopeInfo
void setObjCMethodScopeInfo(unsigned parameterIndex)
Definition: Decl.h:1623
clang::ObjCCategoryDecl::IsClassExtension
bool IsClassExtension() const
Definition: DeclObjC.h:2404
clang::Decl::specific_attrs
llvm::iterator_range< specific_attr_iterator< T > > specific_attrs() const
Definition: DeclBase.h:524
clang::BlockDecl::setSignatureAsWritten
void setSignatureAsWritten(TypeSourceInfo *Sig)
Definition: Decl.h:4119
clang::EnumDecl::setPromotionType
void setPromotionType(QualType T)
Set the promotion type.
Definition: Decl.h:3630
isSameTemplateParameter
static bool isSameTemplateParameter(const NamedDecl *X, const NamedDecl *Y)
Determine whether two template parameters are similar enough that they may be used in declarations of...
Definition: ASTReaderDecl.cpp:2887
clang::FileScopeAsmDecl::setAsmString
void setAsmString(StringLiteral *Asm)
Definition: Decl.h:4028
clang::VarTemplateSpecializationDecl::CreateDeserialized
static VarTemplateSpecializationDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclTemplate.cpp:1252
clang::FileScopeAsmDecl::setRParenLoc
void setRParenLoc(SourceLocation L)
Definition: Decl.h:4021
clang::TemplateArgumentList
A template argument list.
Definition: DeclTemplate.h:239
clang::ASTContext::mergeDefinitionIntoModule
void mergeDefinitionIntoModule(NamedDecl *ND, Module *M, bool NotifyListeners=true)
Note that the definition ND has been merged into module M, and should be visible whenever M is visibl...
Definition: ASTContext.cpp:1161
X
X
Add a minimal nested name specifier fixit hint to allow lookup of a tag name from an outer enclosing ...
Definition: SemaDecl.cpp:14780
clang::FieldDecl::CreateDeserialized
static FieldDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: Decl.cpp:4015
DeclCXX.h
Defines the C++ Decl subclasses, other than those for templates (found in DeclTemplate.h) and friends (in DeclFriend.h).
clang::ASTDeclReader::VisitCapturedDecl
void VisitCapturedDecl(CapturedDecl *CD)
Definition: ASTReaderDecl.cpp:1539
clang::ObjCAtDefsFieldDecl
Represents a field declaration created by an @defs(...).
Definition: DeclObjC.h:2026
clang::ASTContext::getTranslationUnitDecl
TranslationUnitDecl * getTranslationUnitDecl() const
Definition: ASTContext.h:1009
clang::ASTDeclReader::getMostRecentDeclImpl
static Decl * getMostRecentDeclImpl(Redeclarable< DeclT > *D)
Definition: ASTReaderDecl.cpp:3450
SourceLocation.h
Defines the clang::SourceLocation class and associated facilities.
clang::CXXRecordDecl
Represents a C++ struct/union/class.
Definition: DeclCXX.h:253
clang::OMPDeclareReductionDecl::CreateDeserialized
static OMPDeclareReductionDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Create deserialized declare reduction node.
Definition: DeclOpenMP.cpp:152
clang::ObjCImplementationDecl::CreateDeserialized
static ObjCImplementationDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclObjC.cpp:2190
clang::Decl::ObjCDeclQualifier
ObjCDeclQualifier
ObjCDeclQualifier - &#39;Qualifiers&#39; written next to the return and parameter types in method declaration...
Definition: DeclBase.h:200
clang::FileScopeAsmDecl
Definition: Decl.h:4002
clang::VarDecl::setDescribedVarTemplate
void setDescribedVarTemplate(VarTemplateDecl *Template)
Definition: Decl.cpp:2585
clang::ObjCMethodDecl::setInstanceMethod
void setInstanceMethod(bool isInst)
Definition: DeclObjC.h:424
clang::ObjCMethodDecl::setHasRedeclaration
void setHasRedeclaration(bool HRD) const
Definition: DeclObjC.h:274
clang::ObjCMethodDecl::setSynthesizedAccessorStub
void setSynthesizedAccessorStub(bool isSynthesizedAccessorStub)
Definition: DeclObjC.h:445
clang::ObjCImplDecl::setClassInterface
void setClassInterface(ObjCInterfaceDecl *IFace)
Definition: DeclObjC.cpp:2104
clang::BindingDecl::setDecomposedDecl
void setDecomposedDecl(ValueDecl *Decomposed)
Set the decomposed variable for this BindingDecl.
Definition: DeclCXX.h:3855
clang::ObjCIvarDecl
ObjCIvarDecl - Represents an ObjC instance variable.
Definition: DeclObjC.h:1959
clang::operator!=
bool operator!=(CanQual< T > x, CanQual< U > y)
Definition: CanonicalType.h:207
clang::serialization::needsAnonymousDeclarationNumber
bool needsAnonymousDeclarationNumber(const NamedDecl *D)
Determine whether the given declaration needs an anonymous declaration number.
Definition: ASTCommon.cpp:419
clang::MemberSpecializationInfo
Provides information a specialization of a member of a class template, which may be a member function...
Definition: DeclTemplate.h:622
clang::serialization::DECL_OBJC_IMPLEMENTATION
A ObjCImplementationDecl record.
Definition: ASTBitCodes.h:1205
clang::LCK_ByRef
Capturing by reference.
Definition: Lambda.h:37
clang::IdentifierInfo::setOutOfDate
void setOutOfDate(bool OOD)
Set whether the information for this identifier is out of date with respect to the external source...
Definition: IdentifierTable.h:354
clang::BlockDecl::setCanAvoidCopyToHeap
void setCanAvoidCopyToHeap(bool B=true)
Definition: Decl.h:4194
clang::ASTDeclReader::VisitNonTypeTemplateParmDecl
void VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D)
Definition: ASTReaderDecl.cpp:2338
clang::ASTDeclReader::VisitVarTemplateSpecializationDecl
void VisitVarTemplateSpecializationDecl(VarTemplateSpecializationDecl *D)
Definition: ASTReaderDecl.cpp:349
clang::ObjCMethodDecl::setReturnTypeSourceInfo
void setReturnTypeSourceInfo(TypeSourceInfo *TInfo)
Definition: DeclObjC.h:339
clang::RecordDecl::setHasNonTrivialToPrimitiveCopyCUnion
void setHasNonTrivialToPrimitiveCopyCUnion(bool V)
Definition: Decl.h:3891
clang::serialization::DECL_OBJC_AT_DEFS_FIELD
A ObjCAtDefsFieldDecl record.
Definition: ASTBitCodes.h:1196
clang::RequiresExprBodyDecl::CreateDeserialized
static RequiresExprBodyDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:1976
clang::ClassTemplateDecl
Declaration of a class template.
Definition: DeclTemplate.h:2238
clang::ASTDeclReader::VisitOMPAllocateDecl
void VisitOMPAllocateDecl(OMPAllocateDecl *D)
Definition: ASTReaderDecl.cpp:2655
Expr.h
clang::ObjCImplementationDecl::setIvarLBraceLoc
void setIvarLBraceLoc(SourceLocation Loc)
Definition: DeclObjC.h:2709
clang::ObjCTypeParamList
Stores a list of Objective-C type parameters for a parameterized class or a category/extension thereo...
Definition: DeclObjC.h:649
clang::ASTDeclReader::VisitAccessSpecDecl
void VisitAccessSpecDecl(AccessSpecDecl *D)
Definition: ASTReaderDecl.cpp:1991
clang::Decl::addAttr
void addAttr(Attr *A)
Definition: DeclBase.cpp:832
clang::ObjCPropertyDecl::setPropertyAttributes
void setPropertyAttributes(PropertyAttributeKind PRVal)
Definition: DeclObjC.h:857
clang::BlockDecl::CreateDeserialized
static BlockDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: Decl.cpp:4728
clang::OMPDeclareMapperDecl
This represents &#39;#pragma omp declare mapper ...&#39; directive.
Definition: DeclOpenMP.h:217
clang::serialization::LOCAL_REDECLARATIONS
const unsigned int LOCAL_REDECLARATIONS
Record code for a list of local redeclarations of a declaration.
Definition: ASTBitCodes.h:1156
clang::DeclContextLookupResult::begin
iterator begin() const
Definition: DeclBase.h:1236
clang::serialization::DECL_TYPEALIAS
A TypeAliasDecl record.
Definition: ASTBitCodes.h:1169
clang::ASTDeclReader::VisitClassTemplatePartialSpecializationDecl
void VisitClassTemplatePartialSpecializationDecl(ClassTemplatePartialSpecializationDecl *D)
Definition: ASTReaderDecl.cpp:2194
clang::serialization::DECL_PARM_VAR
A ParmVarDecl record.
Definition: ASTBitCodes.h:1229
clang::OMPRequiresDecl::clauselist_size
unsigned clauselist_size() const
Definition: DeclOpenMP.h:387
clang::LifetimeExtendedTemporaryDecl
Implicit declaration of a temporary that was materialized by a MaterializeTemporaryExpr and lifetime-...
Definition: DeclCXX.h:3075
clang::ASTContext::hasSameFunctionTypeIgnoringExceptionSpec
bool hasSameFunctionTypeIgnoringExceptionSpec(QualType T, QualType U)
Determine whether two function types are the same, ignoring exception specifications in cases where t...
Definition: ASTContext.cpp:3013
clang::ASTRecordReader
An object for streaming information from a record.
Definition: ASTRecordReader.h:27
clang::ASTDeclReader::VisitBlockDecl
void VisitBlockDecl(BlockDecl *BD)
Definition: ASTReaderDecl.cpp:1506
clang::FunctionDecl::setDescribedFunctionTemplate
void setDescribedFunctionTemplate(FunctionTemplateDecl *Template)
Definition: Decl.cpp:3565
clang::serialization::DECL_BINDING
A BindingDecl record.
Definition: ASTBitCodes.h:1235
clang::serialization::DECL_EXPORT
An ExportDecl record.
Definition: ASTBitCodes.h:1299
clang::ASTDeclReader::VisitIndirectFieldDecl
void VisitIndirectFieldDecl(IndirectFieldDecl *FD)
Definition: ASTReaderDecl.cpp:1365
clang::OMPThreadPrivateDecl::varlist_size
unsigned varlist_size() const
Definition: DeclOpenMP.h:74
clang::VarDecl::VarDeclBits
VarDeclBitfields VarDeclBits
Definition: Decl.h:984
clang::UsingPackDecl::CreateDeserialized
static UsingPackDecl * CreateDeserialized(ASTContext &C, unsigned ID, unsigned NumExpansions)
Definition: DeclCXX.cpp:2963
clang::RedeclarableTemplateDecl::newCommon
virtual CommonBase * newCommon(ASTContext &C) const =0
clang::serialization::UPD_CXX_INSTANTIATED_DEFAULT_ARGUMENT
Definition: ASTCommon.h:32
clang::TranslationUnitDecl
The top declaration context.
Definition: Decl.h:82
clang::ObjCInterfaceDecl::CreateDeserialized
static ObjCInterfaceDecl * CreateDeserialized(const ASTContext &C, unsigned ID)
Definition: DeclObjC.cpp:1497
clang::serialization::UPD_STATIC_LOCAL_NUMBER
Definition: ASTCommon.h:39
clang::ASTDeclReader::VisitTypeAliasTemplateDecl
void VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D)
Definition: ASTReaderDecl.cpp:2379
clang::ASTDeclReader::VisitConstructorUsingShadowDecl
void VisitConstructorUsingShadowDecl(ConstructorUsingShadowDecl *D)
Definition: ASTReaderDecl.cpp:1644
AttributeLangSupport::C
Definition: SemaDeclAttr.cpp:45
clang::serialization::DECL_FUNCTION_TEMPLATE
A FunctionTemplateDecl record.
Definition: ASTBitCodes.h:1347
clang::ASTDeclReader::VisitDeclContext
std::pair< uint64_t, uint64_t > VisitDeclContext(DeclContext *DC)
Definition: ASTReaderDecl.cpp:2407
clang::ObjCPropertyImplDecl::CreateDeserialized
static ObjCPropertyImplDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclObjC.cpp:2284
clang::ASTReader::getOwningModuleFile
ModuleFile * getOwningModuleFile(const Decl *D)
Retrieve the module file that owns the given declaration, or NULL if the declaration is not from a mo...
Definition: ASTReader.cpp:7215
clang::serialization::DECL_TYPE_ALIAS_TEMPLATE
A TypeAliasTemplateDecl record.
Definition: ASTBitCodes.h:1359
clang::serialization::DECL_CXX_METHOD
A CXXMethodDecl record.
Definition: ASTBitCodes.h:1308
clang::FunctionDecl::setIsMultiVersion
void setIsMultiVersion(bool V=true)
Sets the multiversion state for this declaration and all of its redeclarations.
Definition: Decl.h:2357
clang::MSPropertyDecl
An instance of this class represents the declaration of a property member.
Definition: DeclCXX.h:3940
clang::ObjCPropertyImplDecl::setAtLoc
void setAtLoc(SourceLocation Loc)
Definition: DeclObjC.h:2835
clang::ASTDeclReader::VisitFunctionTemplateDecl
void VisitFunctionTemplateDecl(FunctionTemplateDecl *D)
Definition: ASTReaderDecl.cpp:2220
clang::ValueDecl::getType
QualType getType() const
Definition: Decl.h:630
clang::isUnresolvedExceptionSpec
bool isUnresolvedExceptionSpec(ExceptionSpecificationType ESpecType)
Definition: ExceptionSpecificationType.h:49
clang::BlockDecl::setCaptures
void setCaptures(ASTContext &Context, ArrayRef< Capture > Captures, bool CapturesCXXThis)
Definition: Decl.cpp:4557
clang::SourceRange
A trivial tuple used to represent a source range.
Definition: SourceLocation.h:207
clang::DeclContextLookupResult::iterator
Definition: DeclBase.h:1220
clang::EnumDecl::setIntegerTypeSourceInfo
void setIntegerTypeSourceInfo(TypeSourceInfo *TInfo)
Set the underlying integer type source info.
Definition: Decl.h:3647
clang::RecordDecl::setHasNonTrivialToPrimitiveDefaultInitializeCUnion
void setHasNonTrivialToPrimitiveDefaultInitializeCUnion(bool V)
Definition: Decl.h:3875
clang::NamedDecl
This represents a decl that may have a name.
Definition: Decl.h:223
clang::ASTDeclReader::VisitVarTemplateDecl
void VisitVarTemplateDecl(VarTemplateDecl *D)
TODO: Unify with ClassTemplateDecl version? May require unifying ClassTemplateDecl and VarTemplateDec...
Definition: ASTReaderDecl.cpp:2109
clang::DeclContext::isTranslationUnit
bool isTranslationUnit() const
Definition: DeclBase.h:1859
clang::TypedefNameDecl::setTypeSourceInfo
void setTypeSourceInfo(TypeSourceInfo *newType)
Definition: Decl.h:3133
clang::Decl::setAccess
void setAccess(AccessSpecifier AS)
Definition: DeclBase.h:468
clang::serialization::numberAnonymousDeclsWithin
void numberAnonymousDeclsWithin(const DeclContext *DC, Fn Visit)
Visit each declaration within DC that needs an anonymous declaration number and call Visit with the d...
Definition: ASTCommon.h:96
clang::NamespaceAliasDecl
Represents a C++ namespace alias.
Definition: DeclCXX.h:2967
clang::ASTContext::DeclMustBeEmitted
bool DeclMustBeEmitted(const Decl *D)
Determines if the decl can be CodeGen&#39;ed or deserialized from PCH lazily, only when used; this is onl...
Definition: ASTContext.cpp:10120
clang::UsingDecl::CreateDeserialized
static UsingDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:2942
clang::ASTReader::mapGlobalIDToModuleFileGlobalID
serialization::DeclID mapGlobalIDToModuleFileGlobalID(ModuleFile &M, serialization::DeclID GlobalID)
Map a global declaration ID into the declaration ID used to refer to this declaration within the give...
Definition: ASTReader.cpp:7344
clang::FriendTemplateDecl
Declaration of a friend template.
Definition: DeclTemplate.h:2435
clang::UsingDirectiveDecl
Represents C++ using-directive.
Definition: DeclCXX.h:2863
clang::PragmaDetectMismatchDecl
Represents a #pragma detect_mismatch line.
Definition: Decl.h:148
clang::BlockDecl::setBlockMissingReturnType
void setBlockMissingReturnType(bool val=true)
Definition: Decl.h:4176
clang::ObjCPropertyDecl::CreateDeserialized
static ObjCPropertyDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclObjC.cpp:2256
clang::MemberSpecializationInfo::setPointOfInstantiation
void setPointOfInstantiation(SourceLocation POI)
Set the first point of instantiation.
Definition: DeclTemplate.h:667
clang::NestedNameSpecifier::Global
The global specifier &#39;::&#39;. There is no stored value.
Definition: NestedNameSpecifier.h:95
clang::ASTDeclReader::VisitTranslationUnitDecl
void VisitTranslationUnitDecl(TranslationUnitDecl *TU)
Definition: ASTReaderDecl.cpp:652
clang::BindingDecl::CreateDeserialized
static BindingDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Definition: DeclCXX.cpp:3049
clang::ValueDecl::setType
void setType(QualType newType)
Definition: Decl.h:631
clang::ASTContext::getLangOpts
const LangOptions & getLangOpts() const
Definition: ASTContext.h:724
clang::RecordDecl::setNonTrivialToPrimitiveCopy
void setNonTrivialToPrimitiveCopy(bool V)
Definition: Decl.h:3859
clang::FunctionDecl::setDeletedAsWritten
void setDeletedAsWritten(bool D=true)
Definition: Decl.h:2267
clang::ObjCMethodDecl::setCmdDecl
void setCmdDecl(ImplicitParamDecl *CD)
Definition: DeclObjC.h:418
clang::OMPThreadPrivateDecl
This represents &#39;#pragma omp threadprivate ...&#39; directive.
Definition: DeclOpenMP.h:39
clang::ObjCCategoryImplDecl
ObjCCategoryImplDecl - An object of this class encapsulates a category @implementation declaration...
Definition: DeclObjC.h:2513
clang::FunctionDecl::setInlineSpecified
void setInlineSpecified(bool I)
Set whether the "inline" keyword was specified for this function.
Definition: Decl.h:2502
clang::FunctionTemplateDecl
Declaration of a template function.
Definition: DeclTemplate.h:977
clang::IdentifierResolver::iterator
iterator - Iterate over the decls of a specified declaration name.
Definition: IdentifierResolver.h:69
clang::ObjCPropertyDecl::setPropertyIvarDecl
void setPropertyIvarDecl(ObjCIvarDecl *Ivar)
Definition: DeclObjC.h:955
clang::serialization::DeclOffset
Source range/offset of a preprocessed entity.
Definition: ASTBitCodes.h:220
clang::Attr
Attr - This represents one attribute.
Definition: Attr.h:45
clang::Decl::getLocation
SourceLocation getLocation() const
Definition: DeclBase.h:429
clang::serialization::ModuleFile::ObjCCategoriesMap
const serialization::ObjCCategoriesInfo * ObjCCategoriesMap
Array of category list location information within this module file, sorted by the definition ID...
Definition: ModuleFile.h:438
clang::UsingShadowDecl
Represents a shadow declaration introduced into a scope by a (resolved) using declaration.
Definition: DeclCXX.h:3162
clang::UsingPackDecl
Represents a pack of using declarations that a single using-declarator pack-expanded into...
Definition: DeclCXX.h:3519
clang::TypeSourceInfo::getType
QualType getType() const
Return the type wrapped by this type source info.
Definition: Type.h:6238
LambdaCapture.h
Defines the LambdaCapture class.
clang::ObjCCompatibleAliasDecl
ObjCCompatibleAliasDecl - Represents alias of a class.
Definition: DeclObjC.h:2743
clang::VarDecl::ensureEvaluatedStmt
EvaluatedStmt * ensureEvaluatedStmt() const
Convert the initializer for this declaration to the elaborated EvaluatedStmt form, which contains extra information on the evaluated value of the initializer.
Definition: Decl.cpp:2342
ContinuousRangeMap.h
clang::CXXConstructorDecl::isInheritingConstructor
bool isInheritingConstructor() const
Determine whether this is an implicit constructor synthesized to model a call to a constructor inheri...
Definition: DeclCXX.h:2611
clang::ObjCMethodDecl::ImplementationControl
ImplementationControl
Definition: DeclObjC.h:143
clang::EvaluatedStmt
Structure used to store a statement, the constant value to which it was evaluated (if any)...
Definition: Decl.h:784
clang::ASTDeclReader::VisitObjCAtDefsFieldDecl
void VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D)
Definition: ASTReaderDecl.cpp:1238
clang::FunctionDecl::TemplatedKind
TemplatedKind
The kind of templated function a FunctionDecl can be.
Definition: Decl.h:1790