1 //===--- ASTWriterDecl.cpp - Declaration Serialization --------------------===//
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 serialization for Declarations.
10 //
11 //===----------------------------------------------------------------------===//
12
13 #include "ASTCommon.h"
14 #include "clang/AST/Attr.h"
15 #include "clang/AST/DeclCXX.h"
16 #include "clang/AST/DeclTemplate.h"
17 #include "clang/AST/DeclVisitor.h"
18 #include "clang/AST/Expr.h"
19 #include "clang/AST/OpenMPClause.h"
20 #include "clang/AST/PrettyDeclStackTrace.h"
21 #include "clang/Basic/SourceManager.h"
22 #include "clang/Serialization/ASTReader.h"
23 #include "clang/Serialization/ASTRecordWriter.h"
24 #include "llvm/Bitstream/BitstreamWriter.h"
25 #include "llvm/Support/ErrorHandling.h"
26 #include <optional>
27 using namespace clang;
28 using namespace serialization;
29
30 //===----------------------------------------------------------------------===//
31 // Declaration serialization
32 //===----------------------------------------------------------------------===//
33
34 namespace clang {
35 class ASTDeclWriter : public DeclVisitor<ASTDeclWriter, void> {
36 ASTWriter &Writer;
37 ASTContext &Context;
38 ASTRecordWriter Record;
39
40 serialization::DeclCode Code;
41 unsigned AbbrevToUse;
42
43 public:
ASTDeclWriter(ASTWriter & Writer,ASTContext & Context,ASTWriter::RecordDataImpl & Record)44 ASTDeclWriter(ASTWriter &Writer, ASTContext &Context,
45 ASTWriter::RecordDataImpl &Record)
46 : Writer(Writer), Context(Context), Record(Writer, Record),
47 Code((serialization::DeclCode)0), AbbrevToUse(0) {}
48
Emit(Decl * D)49 uint64_t Emit(Decl *D) {
50 if (!Code)
51 llvm::report_fatal_error(StringRef("unexpected declaration kind '") +
52 D->getDeclKindName() + "'");
53 return Record.Emit(Code, AbbrevToUse);
54 }
55
56 void Visit(Decl *D);
57
58 void VisitDecl(Decl *D);
59 void VisitPragmaCommentDecl(PragmaCommentDecl *D);
60 void VisitPragmaDetectMismatchDecl(PragmaDetectMismatchDecl *D);
61 void VisitTranslationUnitDecl(TranslationUnitDecl *D);
62 void VisitNamedDecl(NamedDecl *D);
63 void VisitLabelDecl(LabelDecl *LD);
64 void VisitNamespaceDecl(NamespaceDecl *D);
65 void VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
66 void VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
67 void VisitTypeDecl(TypeDecl *D);
68 void VisitTypedefNameDecl(TypedefNameDecl *D);
69 void VisitTypedefDecl(TypedefDecl *D);
70 void VisitTypeAliasDecl(TypeAliasDecl *D);
71 void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D);
72 void VisitUnresolvedUsingIfExistsDecl(UnresolvedUsingIfExistsDecl *D);
73 void VisitTagDecl(TagDecl *D);
74 void VisitEnumDecl(EnumDecl *D);
75 void VisitRecordDecl(RecordDecl *D);
76 void VisitCXXRecordDecl(CXXRecordDecl *D);
77 void VisitClassTemplateSpecializationDecl(
78 ClassTemplateSpecializationDecl *D);
79 void VisitClassTemplatePartialSpecializationDecl(
80 ClassTemplatePartialSpecializationDecl *D);
81 void VisitVarTemplateSpecializationDecl(VarTemplateSpecializationDecl *D);
82 void VisitVarTemplatePartialSpecializationDecl(
83 VarTemplatePartialSpecializationDecl *D);
84 void VisitClassScopeFunctionSpecializationDecl(
85 ClassScopeFunctionSpecializationDecl *D);
86 void VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D);
87 void VisitValueDecl(ValueDecl *D);
88 void VisitEnumConstantDecl(EnumConstantDecl *D);
89 void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D);
90 void VisitDeclaratorDecl(DeclaratorDecl *D);
91 void VisitFunctionDecl(FunctionDecl *D);
92 void VisitCXXDeductionGuideDecl(CXXDeductionGuideDecl *D);
93 void VisitCXXMethodDecl(CXXMethodDecl *D);
94 void VisitCXXConstructorDecl(CXXConstructorDecl *D);
95 void VisitCXXDestructorDecl(CXXDestructorDecl *D);
96 void VisitCXXConversionDecl(CXXConversionDecl *D);
97 void VisitFieldDecl(FieldDecl *D);
98 void VisitMSPropertyDecl(MSPropertyDecl *D);
99 void VisitMSGuidDecl(MSGuidDecl *D);
100 void VisitUnnamedGlobalConstantDecl(UnnamedGlobalConstantDecl *D);
101 void VisitTemplateParamObjectDecl(TemplateParamObjectDecl *D);
102 void VisitIndirectFieldDecl(IndirectFieldDecl *D);
103 void VisitVarDecl(VarDecl *D);
104 void VisitImplicitParamDecl(ImplicitParamDecl *D);
105 void VisitParmVarDecl(ParmVarDecl *D);
106 void VisitDecompositionDecl(DecompositionDecl *D);
107 void VisitBindingDecl(BindingDecl *D);
108 void VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D);
109 void VisitTemplateDecl(TemplateDecl *D);
110 void VisitConceptDecl(ConceptDecl *D);
111 void VisitImplicitConceptSpecializationDecl(
112 ImplicitConceptSpecializationDecl *D);
113 void VisitRequiresExprBodyDecl(RequiresExprBodyDecl *D);
114 void VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D);
115 void VisitClassTemplateDecl(ClassTemplateDecl *D);
116 void VisitVarTemplateDecl(VarTemplateDecl *D);
117 void VisitFunctionTemplateDecl(FunctionTemplateDecl *D);
118 void VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D);
119 void VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D);
120 void VisitUsingDecl(UsingDecl *D);
121 void VisitUsingEnumDecl(UsingEnumDecl *D);
122 void VisitUsingPackDecl(UsingPackDecl *D);
123 void VisitUsingShadowDecl(UsingShadowDecl *D);
124 void VisitConstructorUsingShadowDecl(ConstructorUsingShadowDecl *D);
125 void VisitLinkageSpecDecl(LinkageSpecDecl *D);
126 void VisitExportDecl(ExportDecl *D);
127 void VisitFileScopeAsmDecl(FileScopeAsmDecl *D);
128 void VisitTopLevelStmtDecl(TopLevelStmtDecl *D);
129 void VisitImportDecl(ImportDecl *D);
130 void VisitAccessSpecDecl(AccessSpecDecl *D);
131 void VisitFriendDecl(FriendDecl *D);
132 void VisitFriendTemplateDecl(FriendTemplateDecl *D);
133 void VisitStaticAssertDecl(StaticAssertDecl *D);
134 void VisitBlockDecl(BlockDecl *D);
135 void VisitCapturedDecl(CapturedDecl *D);
136 void VisitEmptyDecl(EmptyDecl *D);
137 void VisitLifetimeExtendedTemporaryDecl(LifetimeExtendedTemporaryDecl *D);
138 void VisitDeclContext(DeclContext *DC);
139 template <typename T> void VisitRedeclarable(Redeclarable<T> *D);
140 void VisitHLSLBufferDecl(HLSLBufferDecl *D);
141
142 // FIXME: Put in the same order is DeclNodes.td?
143 void VisitObjCMethodDecl(ObjCMethodDecl *D);
144 void VisitObjCTypeParamDecl(ObjCTypeParamDecl *D);
145 void VisitObjCContainerDecl(ObjCContainerDecl *D);
146 void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
147 void VisitObjCIvarDecl(ObjCIvarDecl *D);
148 void VisitObjCProtocolDecl(ObjCProtocolDecl *D);
149 void VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D);
150 void VisitObjCCategoryDecl(ObjCCategoryDecl *D);
151 void VisitObjCImplDecl(ObjCImplDecl *D);
152 void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
153 void VisitObjCImplementationDecl(ObjCImplementationDecl *D);
154 void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D);
155 void VisitObjCPropertyDecl(ObjCPropertyDecl *D);
156 void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D);
157 void VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D);
158 void VisitOMPAllocateDecl(OMPAllocateDecl *D);
159 void VisitOMPRequiresDecl(OMPRequiresDecl *D);
160 void VisitOMPDeclareReductionDecl(OMPDeclareReductionDecl *D);
161 void VisitOMPDeclareMapperDecl(OMPDeclareMapperDecl *D);
162 void VisitOMPCapturedExprDecl(OMPCapturedExprDecl *D);
163
164 /// Add an Objective-C type parameter list to the given record.
AddObjCTypeParamList(ObjCTypeParamList * typeParams)165 void AddObjCTypeParamList(ObjCTypeParamList *typeParams) {
166 // Empty type parameter list.
167 if (!typeParams) {
168 Record.push_back(0);
169 return;
170 }
171
172 Record.push_back(typeParams->size());
173 for (auto *typeParam : *typeParams) {
174 Record.AddDeclRef(typeParam);
175 }
176 Record.AddSourceLocation(typeParams->getLAngleLoc());
177 Record.AddSourceLocation(typeParams->getRAngleLoc());
178 }
179
180 /// Add to the record the first declaration from each module file that
181 /// provides a declaration of D. The intent is to provide a sufficient
182 /// set such that reloading this set will load all current redeclarations.
AddFirstDeclFromEachModule(const Decl * D,bool IncludeLocal)183 void AddFirstDeclFromEachModule(const Decl *D, bool IncludeLocal) {
184 llvm::MapVector<ModuleFile*, const Decl*> Firsts;
185 // FIXME: We can skip entries that we know are implied by others.
186 for (const Decl *R = D->getMostRecentDecl(); R; R = R->getPreviousDecl()) {
187 if (R->isFromASTFile())
188 Firsts[Writer.Chain->getOwningModuleFile(R)] = R;
189 else if (IncludeLocal)
190 Firsts[nullptr] = R;
191 }
192 for (const auto &F : Firsts)
193 Record.AddDeclRef(F.second);
194 }
195
196 /// Get the specialization decl from an entry in the specialization list.
197 template <typename EntryType>
198 typename RedeclarableTemplateDecl::SpecEntryTraits<EntryType>::DeclType *
getSpecializationDecl(EntryType & T)199 getSpecializationDecl(EntryType &T) {
200 return RedeclarableTemplateDecl::SpecEntryTraits<EntryType>::getDecl(&T);
201 }
202
203 /// Get the list of partial specializations from a template's common ptr.
204 template<typename T>
getPartialSpecializations(T * Common)205 decltype(T::PartialSpecializations) &getPartialSpecializations(T *Common) {
206 return Common->PartialSpecializations;
207 }
getPartialSpecializations(FunctionTemplateDecl::Common *)208 ArrayRef<Decl> getPartialSpecializations(FunctionTemplateDecl::Common *) {
209 return std::nullopt;
210 }
211
212 template<typename DeclTy>
AddTemplateSpecializations(DeclTy * D)213 void AddTemplateSpecializations(DeclTy *D) {
214 auto *Common = D->getCommonPtr();
215
216 // If we have any lazy specializations, and the external AST source is
217 // our chained AST reader, we can just write out the DeclIDs. Otherwise,
218 // we need to resolve them to actual declarations.
219 if (Writer.Chain != Writer.Context->getExternalSource() &&
220 Common->LazySpecializations) {
221 D->LoadLazySpecializations();
222 assert(!Common->LazySpecializations);
223 }
224
225 ArrayRef<DeclID> LazySpecializations;
226 if (auto *LS = Common->LazySpecializations)
227 LazySpecializations = llvm::ArrayRef(LS + 1, LS[0]);
228
229 // Add a slot to the record for the number of specializations.
230 unsigned I = Record.size();
231 Record.push_back(0);
232
233 // AddFirstDeclFromEachModule might trigger deserialization, invalidating
234 // *Specializations iterators.
235 llvm::SmallVector<const Decl*, 16> Specs;
236 for (auto &Entry : Common->Specializations)
237 Specs.push_back(getSpecializationDecl(Entry));
238 for (auto &Entry : getPartialSpecializations(Common))
239 Specs.push_back(getSpecializationDecl(Entry));
240
241 for (auto *D : Specs) {
242 assert(D->isCanonicalDecl() && "non-canonical decl in set");
243 AddFirstDeclFromEachModule(D, /*IncludeLocal*/true);
244 }
245 Record.append(LazySpecializations.begin(), LazySpecializations.end());
246
247 // Update the size entry we added earlier.
248 Record[I] = Record.size() - I - 1;
249 }
250
251 /// Ensure that this template specialization is associated with the specified
252 /// template on reload.
RegisterTemplateSpecialization(const Decl * Template,const Decl * Specialization)253 void RegisterTemplateSpecialization(const Decl *Template,
254 const Decl *Specialization) {
255 Template = Template->getCanonicalDecl();
256
257 // If the canonical template is local, we'll write out this specialization
258 // when we emit it.
259 // FIXME: We can do the same thing if there is any local declaration of
260 // the template, to avoid emitting an update record.
261 if (!Template->isFromASTFile())
262 return;
263
264 // We only need to associate the first local declaration of the
265 // specialization. The other declarations will get pulled in by it.
266 if (Writer.getFirstLocalDecl(Specialization) != Specialization)
267 return;
268
269 Writer.DeclUpdates[Template].push_back(ASTWriter::DeclUpdate(
270 UPD_CXX_ADDED_TEMPLATE_SPECIALIZATION, Specialization));
271 }
272 };
273 }
274
Visit(Decl * D)275 void ASTDeclWriter::Visit(Decl *D) {
276 DeclVisitor<ASTDeclWriter>::Visit(D);
277
278 // Source locations require array (variable-length) abbreviations. The
279 // abbreviation infrastructure requires that arrays are encoded last, so
280 // we handle it here in the case of those classes derived from DeclaratorDecl
281 if (DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
282 if (auto *TInfo = DD->getTypeSourceInfo())
283 Record.AddTypeLoc(TInfo->getTypeLoc());
284 }
285
286 // Handle FunctionDecl's body here and write it after all other Stmts/Exprs
287 // have been written. We want it last because we will not read it back when
288 // retrieving it from the AST, we'll just lazily set the offset.
289 if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
290 Record.push_back(FD->doesThisDeclarationHaveABody());
291 if (FD->doesThisDeclarationHaveABody())
292 Record.AddFunctionDefinition(FD);
293 }
294
295 // If this declaration is also a DeclContext, write blocks for the
296 // declarations that lexically stored inside its context and those
297 // declarations that are visible from its context.
298 if (DeclContext *DC = dyn_cast<DeclContext>(D))
299 VisitDeclContext(DC);
300 }
301
VisitDecl(Decl * D)302 void ASTDeclWriter::VisitDecl(Decl *D) {
303 Record.AddDeclRef(cast_or_null<Decl>(D->getDeclContext()));
304 if (D->getDeclContext() != D->getLexicalDeclContext())
305 Record.AddDeclRef(cast_or_null<Decl>(D->getLexicalDeclContext()));
306 else
307 Record.push_back(0);
308 Record.push_back(D->isInvalidDecl());
309 Record.push_back(D->hasAttrs());
310 if (D->hasAttrs())
311 Record.AddAttributes(D->getAttrs());
312 Record.push_back(D->isImplicit());
313 Record.push_back(D->isUsed(false));
314 Record.push_back(D->isReferenced());
315 Record.push_back(D->isTopLevelDeclInObjCContainer());
316 Record.push_back(D->getAccess());
317 Record.push_back((uint64_t)D->getModuleOwnershipKind());
318 Record.push_back(Writer.getSubmoduleID(D->getOwningModule()));
319
320 // If this declaration injected a name into a context different from its
321 // lexical context, and that context is an imported namespace, we need to
322 // update its visible declarations to include this name.
323 //
324 // This happens when we instantiate a class with a friend declaration or a
325 // function with a local extern declaration, for instance.
326 //
327 // FIXME: Can we handle this in AddedVisibleDecl instead?
328 if (D->isOutOfLine()) {
329 auto *DC = D->getDeclContext();
330 while (auto *NS = dyn_cast<NamespaceDecl>(DC->getRedeclContext())) {
331 if (!NS->isFromASTFile())
332 break;
333 Writer.UpdatedDeclContexts.insert(NS->getPrimaryContext());
334 if (!NS->isInlineNamespace())
335 break;
336 DC = NS->getParent();
337 }
338 }
339 }
340
VisitPragmaCommentDecl(PragmaCommentDecl * D)341 void ASTDeclWriter::VisitPragmaCommentDecl(PragmaCommentDecl *D) {
342 StringRef Arg = D->getArg();
343 Record.push_back(Arg.size());
344 VisitDecl(D);
345 Record.AddSourceLocation(D->getBeginLoc());
346 Record.push_back(D->getCommentKind());
347 Record.AddString(Arg);
348 Code = serialization::DECL_PRAGMA_COMMENT;
349 }
350
VisitPragmaDetectMismatchDecl(PragmaDetectMismatchDecl * D)351 void ASTDeclWriter::VisitPragmaDetectMismatchDecl(
352 PragmaDetectMismatchDecl *D) {
353 StringRef Name = D->getName();
354 StringRef Value = D->getValue();
355 Record.push_back(Name.size() + 1 + Value.size());
356 VisitDecl(D);
357 Record.AddSourceLocation(D->getBeginLoc());
358 Record.AddString(Name);
359 Record.AddString(Value);
360 Code = serialization::DECL_PRAGMA_DETECT_MISMATCH;
361 }
362
VisitTranslationUnitDecl(TranslationUnitDecl * D)363 void ASTDeclWriter::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
364 llvm_unreachable("Translation units aren't directly serialized");
365 }
366
VisitNamedDecl(NamedDecl * D)367 void ASTDeclWriter::VisitNamedDecl(NamedDecl *D) {
368 VisitDecl(D);
369 Record.AddDeclarationName(D->getDeclName());
370 Record.push_back(needsAnonymousDeclarationNumber(D)
371 ? Writer.getAnonymousDeclarationNumber(D)
372 : 0);
373 }
374
VisitTypeDecl(TypeDecl * D)375 void ASTDeclWriter::VisitTypeDecl(TypeDecl *D) {
376 VisitNamedDecl(D);
377 Record.AddSourceLocation(D->getBeginLoc());
378 Record.AddTypeRef(QualType(D->getTypeForDecl(), 0));
379 }
380
VisitTypedefNameDecl(TypedefNameDecl * D)381 void ASTDeclWriter::VisitTypedefNameDecl(TypedefNameDecl *D) {
382 VisitRedeclarable(D);
383 VisitTypeDecl(D);
384 Record.AddTypeSourceInfo(D->getTypeSourceInfo());
385 Record.push_back(D->isModed());
386 if (D->isModed())
387 Record.AddTypeRef(D->getUnderlyingType());
388 Record.AddDeclRef(D->getAnonDeclWithTypedefName(false));
389 }
390
VisitTypedefDecl(TypedefDecl * D)391 void ASTDeclWriter::VisitTypedefDecl(TypedefDecl *D) {
392 VisitTypedefNameDecl(D);
393 if (D->getDeclContext() == D->getLexicalDeclContext() &&
394 !D->hasAttrs() &&
395 !D->isImplicit() &&
396 D->getFirstDecl() == D->getMostRecentDecl() &&
397 !D->isInvalidDecl() &&
398 !D->isTopLevelDeclInObjCContainer() &&
399 !D->isModulePrivate() &&
400 !needsAnonymousDeclarationNumber(D) &&
401 D->getDeclName().getNameKind() == DeclarationName::Identifier)
402 AbbrevToUse = Writer.getDeclTypedefAbbrev();
403
404 Code = serialization::DECL_TYPEDEF;
405 }
406
VisitTypeAliasDecl(TypeAliasDecl * D)407 void ASTDeclWriter::VisitTypeAliasDecl(TypeAliasDecl *D) {
408 VisitTypedefNameDecl(D);
409 Record.AddDeclRef(D->getDescribedAliasTemplate());
410 Code = serialization::DECL_TYPEALIAS;
411 }
412
VisitTagDecl(TagDecl * D)413 void ASTDeclWriter::VisitTagDecl(TagDecl *D) {
414 VisitRedeclarable(D);
415 VisitTypeDecl(D);
416 Record.push_back(D->getIdentifierNamespace());
417 Record.push_back((unsigned)D->getTagKind()); // FIXME: stable encoding
418 if (!isa<CXXRecordDecl>(D))
419 Record.push_back(D->isCompleteDefinition());
420 Record.push_back(D->isEmbeddedInDeclarator());
421 Record.push_back(D->isFreeStanding());
422 Record.push_back(D->isCompleteDefinitionRequired());
423 Record.AddSourceRange(D->getBraceRange());
424
425 if (D->hasExtInfo()) {
426 Record.push_back(1);
427 Record.AddQualifierInfo(*D->getExtInfo());
428 } else if (auto *TD = D->getTypedefNameForAnonDecl()) {
429 Record.push_back(2);
430 Record.AddDeclRef(TD);
431 Record.AddIdentifierRef(TD->getDeclName().getAsIdentifierInfo());
432 } else {
433 Record.push_back(0);
434 }
435 }
436
VisitEnumDecl(EnumDecl * D)437 void ASTDeclWriter::VisitEnumDecl(EnumDecl *D) {
438 VisitTagDecl(D);
439 Record.AddTypeSourceInfo(D->getIntegerTypeSourceInfo());
440 if (!D->getIntegerTypeSourceInfo())
441 Record.AddTypeRef(D->getIntegerType());
442 Record.AddTypeRef(D->getPromotionType());
443 Record.push_back(D->getNumPositiveBits());
444 Record.push_back(D->getNumNegativeBits());
445 Record.push_back(D->isScoped());
446 Record.push_back(D->isScopedUsingClassTag());
447 Record.push_back(D->isFixed());
448 Record.push_back(D->getODRHash());
449
450 if (MemberSpecializationInfo *MemberInfo = D->getMemberSpecializationInfo()) {
451 Record.AddDeclRef(MemberInfo->getInstantiatedFrom());
452 Record.push_back(MemberInfo->getTemplateSpecializationKind());
453 Record.AddSourceLocation(MemberInfo->getPointOfInstantiation());
454 } else {
455 Record.AddDeclRef(nullptr);
456 }
457
458 if (D->getDeclContext() == D->getLexicalDeclContext() &&
459 !D->hasAttrs() &&
460 !D->isImplicit() &&
461 !D->isUsed(false) &&
462 !D->hasExtInfo() &&
463 !D->getTypedefNameForAnonDecl() &&
464 D->getFirstDecl() == D->getMostRecentDecl() &&
465 !D->isInvalidDecl() &&
466 !D->isReferenced() &&
467 !D->isTopLevelDeclInObjCContainer() &&
468 D->getAccess() == AS_none &&
469 !D->isModulePrivate() &&
470 !CXXRecordDecl::classofKind(D->getKind()) &&
471 !D->getIntegerTypeSourceInfo() &&
472 !D->getMemberSpecializationInfo() &&
473 !needsAnonymousDeclarationNumber(D) &&
474 D->getDeclName().getNameKind() == DeclarationName::Identifier)
475 AbbrevToUse = Writer.getDeclEnumAbbrev();
476
477 Code = serialization::DECL_ENUM;
478 }
479
VisitRecordDecl(RecordDecl * D)480 void ASTDeclWriter::VisitRecordDecl(RecordDecl *D) {
481 VisitTagDecl(D);
482 Record.push_back(D->hasFlexibleArrayMember());
483 Record.push_back(D->isAnonymousStructOrUnion());
484 Record.push_back(D->hasObjectMember());
485 Record.push_back(D->hasVolatileMember());
486 Record.push_back(D->isNonTrivialToPrimitiveDefaultInitialize());
487 Record.push_back(D->isNonTrivialToPrimitiveCopy());
488 Record.push_back(D->isNonTrivialToPrimitiveDestroy());
489 Record.push_back(D->hasNonTrivialToPrimitiveDefaultInitializeCUnion());
490 Record.push_back(D->hasNonTrivialToPrimitiveDestructCUnion());
491 Record.push_back(D->hasNonTrivialToPrimitiveCopyCUnion());
492 Record.push_back(D->isParamDestroyedInCallee());
493 Record.push_back(D->getArgPassingRestrictions());
494 // Only compute this for C/Objective-C, in C++ this is computed as part
495 // of CXXRecordDecl.
496 if (!isa<CXXRecordDecl>(D))
497 Record.push_back(D->getODRHash());
498
499 if (D->getDeclContext() == D->getLexicalDeclContext() &&
500 !D->hasAttrs() &&
501 !D->isImplicit() &&
502 !D->isUsed(false) &&
503 !D->hasExtInfo() &&
504 !D->getTypedefNameForAnonDecl() &&
505 D->getFirstDecl() == D->getMostRecentDecl() &&
506 !D->isInvalidDecl() &&
507 !D->isReferenced() &&
508 !D->isTopLevelDeclInObjCContainer() &&
509 D->getAccess() == AS_none &&
510 !D->isModulePrivate() &&
511 !CXXRecordDecl::classofKind(D->getKind()) &&
512 !needsAnonymousDeclarationNumber(D) &&
513 D->getDeclName().getNameKind() == DeclarationName::Identifier)
514 AbbrevToUse = Writer.getDeclRecordAbbrev();
515
516 Code = serialization::DECL_RECORD;
517 }
518
VisitValueDecl(ValueDecl * D)519 void ASTDeclWriter::VisitValueDecl(ValueDecl *D) {
520 VisitNamedDecl(D);
521 Record.AddTypeRef(D->getType());
522 }
523
VisitEnumConstantDecl(EnumConstantDecl * D)524 void ASTDeclWriter::VisitEnumConstantDecl(EnumConstantDecl *D) {
525 VisitValueDecl(D);
526 Record.push_back(D->getInitExpr()? 1 : 0);
527 if (D->getInitExpr())
528 Record.AddStmt(D->getInitExpr());
529 Record.AddAPSInt(D->getInitVal());
530
531 Code = serialization::DECL_ENUM_CONSTANT;
532 }
533
VisitDeclaratorDecl(DeclaratorDecl * D)534 void ASTDeclWriter::VisitDeclaratorDecl(DeclaratorDecl *D) {
535 VisitValueDecl(D);
536 Record.AddSourceLocation(D->getInnerLocStart());
537 Record.push_back(D->hasExtInfo());
538 if (D->hasExtInfo()) {
539 DeclaratorDecl::ExtInfo *Info = D->getExtInfo();
540 Record.AddQualifierInfo(*Info);
541 Record.AddStmt(Info->TrailingRequiresClause);
542 }
543 // The location information is deferred until the end of the record.
544 Record.AddTypeRef(D->getTypeSourceInfo() ? D->getTypeSourceInfo()->getType()
545 : QualType());
546 }
547
VisitFunctionDecl(FunctionDecl * D)548 void ASTDeclWriter::VisitFunctionDecl(FunctionDecl *D) {
549 VisitRedeclarable(D);
550
551 Record.push_back(D->getTemplatedKind());
552 switch (D->getTemplatedKind()) {
553 case FunctionDecl::TK_NonTemplate:
554 break;
555 case FunctionDecl::TK_DependentNonTemplate:
556 Record.AddDeclRef(D->getInstantiatedFromDecl());
557 break;
558 case FunctionDecl::TK_FunctionTemplate:
559 Record.AddDeclRef(D->getDescribedFunctionTemplate());
560 break;
561 case FunctionDecl::TK_MemberSpecialization: {
562 MemberSpecializationInfo *MemberInfo = D->getMemberSpecializationInfo();
563 Record.AddDeclRef(MemberInfo->getInstantiatedFrom());
564 Record.push_back(MemberInfo->getTemplateSpecializationKind());
565 Record.AddSourceLocation(MemberInfo->getPointOfInstantiation());
566 break;
567 }
568 case FunctionDecl::TK_FunctionTemplateSpecialization: {
569 FunctionTemplateSpecializationInfo *
570 FTSInfo = D->getTemplateSpecializationInfo();
571
572 RegisterTemplateSpecialization(FTSInfo->getTemplate(), D);
573
574 Record.AddDeclRef(FTSInfo->getTemplate());
575 Record.push_back(FTSInfo->getTemplateSpecializationKind());
576
577 // Template arguments.
578 Record.AddTemplateArgumentList(FTSInfo->TemplateArguments);
579
580 // Template args as written.
581 Record.push_back(FTSInfo->TemplateArgumentsAsWritten != nullptr);
582 if (FTSInfo->TemplateArgumentsAsWritten) {
583 Record.push_back(FTSInfo->TemplateArgumentsAsWritten->NumTemplateArgs);
584 for (int i=0, e = FTSInfo->TemplateArgumentsAsWritten->NumTemplateArgs;
585 i!=e; ++i)
586 Record.AddTemplateArgumentLoc(
587 (*FTSInfo->TemplateArgumentsAsWritten)[i]);
588 Record.AddSourceLocation(FTSInfo->TemplateArgumentsAsWritten->LAngleLoc);
589 Record.AddSourceLocation(FTSInfo->TemplateArgumentsAsWritten->RAngleLoc);
590 }
591
592 Record.AddSourceLocation(FTSInfo->getPointOfInstantiation());
593
594 if (MemberSpecializationInfo *MemberInfo =
595 FTSInfo->getMemberSpecializationInfo()) {
596 Record.push_back(1);
597 Record.AddDeclRef(MemberInfo->getInstantiatedFrom());
598 Record.push_back(MemberInfo->getTemplateSpecializationKind());
599 Record.AddSourceLocation(MemberInfo->getPointOfInstantiation());
600 } else {
601 Record.push_back(0);
602 }
603
604 if (D->isCanonicalDecl()) {
605 // Write the template that contains the specializations set. We will
606 // add a FunctionTemplateSpecializationInfo to it when reading.
607 Record.AddDeclRef(FTSInfo->getTemplate()->getCanonicalDecl());
608 }
609 break;
610 }
611 case FunctionDecl::TK_DependentFunctionTemplateSpecialization: {
612 DependentFunctionTemplateSpecializationInfo *
613 DFTSInfo = D->getDependentSpecializationInfo();
614
615 // Templates.
616 Record.push_back(DFTSInfo->getNumTemplates());
617 for (int i=0, e = DFTSInfo->getNumTemplates(); i != e; ++i)
618 Record.AddDeclRef(DFTSInfo->getTemplate(i));
619
620 // Templates args.
621 Record.push_back(DFTSInfo->getNumTemplateArgs());
622 for (int i=0, e = DFTSInfo->getNumTemplateArgs(); i != e; ++i)
623 Record.AddTemplateArgumentLoc(DFTSInfo->getTemplateArg(i));
624 Record.AddSourceLocation(DFTSInfo->getLAngleLoc());
625 Record.AddSourceLocation(DFTSInfo->getRAngleLoc());
626 break;
627 }
628 }
629
630 VisitDeclaratorDecl(D);
631 Record.AddDeclarationNameLoc(D->DNLoc, D->getDeclName());
632 Record.push_back(D->getIdentifierNamespace());
633
634 // FunctionDecl's body is handled last at ASTWriterDecl::Visit,
635 // after everything else is written.
636 Record.push_back(
637 static_cast<int>(D->getStorageClass())); // FIXME: stable encoding
638 Record.push_back(D->isInlineSpecified());
639 Record.push_back(D->isInlined());
640 Record.push_back(D->isVirtualAsWritten());
641 Record.push_back(D->isPure());
642 Record.push_back(D->hasInheritedPrototype());
643 Record.push_back(D->hasWrittenPrototype());
644 Record.push_back(D->isDeletedBit());
645 Record.push_back(D->isTrivial());
646 Record.push_back(D->isTrivialForCall());
647 Record.push_back(D->isDefaulted());
648 Record.push_back(D->isExplicitlyDefaulted());
649 Record.push_back(D->isIneligibleOrNotSelected());
650 Record.push_back(D->hasImplicitReturnZero());
651 Record.push_back(static_cast<uint64_t>(D->getConstexprKind()));
652 Record.push_back(D->usesSEHTry());
653 Record.push_back(D->hasSkippedBody());
654 Record.push_back(D->isMultiVersion());
655 Record.push_back(D->isLateTemplateParsed());
656 Record.push_back(D->FriendConstraintRefersToEnclosingTemplate());
657 Record.push_back(D->getLinkageInternal());
658 Record.AddSourceLocation(D->getEndLoc());
659 Record.AddSourceLocation(D->getDefaultLoc());
660
661 Record.push_back(D->getODRHash());
662
663 if (D->isDefaulted()) {
664 if (auto *FDI = D->getDefaultedFunctionInfo()) {
665 Record.push_back(FDI->getUnqualifiedLookups().size());
666 for (DeclAccessPair P : FDI->getUnqualifiedLookups()) {
667 Record.AddDeclRef(P.getDecl());
668 Record.push_back(P.getAccess());
669 }
670 } else {
671 Record.push_back(0);
672 }
673 }
674
675 Record.push_back(D->param_size());
676 for (auto *P : D->parameters())
677 Record.AddDeclRef(P);
678 Code = serialization::DECL_FUNCTION;
679 }
680
addExplicitSpecifier(ExplicitSpecifier ES,ASTRecordWriter & Record)681 static void addExplicitSpecifier(ExplicitSpecifier ES,
682 ASTRecordWriter &Record) {
683 uint64_t Kind = static_cast<uint64_t>(ES.getKind());
684 Kind = Kind << 1 | static_cast<bool>(ES.getExpr());
685 Record.push_back(Kind);
686 if (ES.getExpr()) {
687 Record.AddStmt(ES.getExpr());
688 }
689 }
690
VisitCXXDeductionGuideDecl(CXXDeductionGuideDecl * D)691 void ASTDeclWriter::VisitCXXDeductionGuideDecl(CXXDeductionGuideDecl *D) {
692 addExplicitSpecifier(D->getExplicitSpecifier(), Record);
693 Record.AddDeclRef(D->Ctor);
694 VisitFunctionDecl(D);
695 Record.push_back(D->isCopyDeductionCandidate());
696 Code = serialization::DECL_CXX_DEDUCTION_GUIDE;
697 }
698
VisitObjCMethodDecl(ObjCMethodDecl * D)699 void ASTDeclWriter::VisitObjCMethodDecl(ObjCMethodDecl *D) {
700 VisitNamedDecl(D);
701 // FIXME: convert to LazyStmtPtr?
702 // Unlike C/C++, method bodies will never be in header files.
703 bool HasBodyStuff = D->getBody() != nullptr;
704 Record.push_back(HasBodyStuff);
705 if (HasBodyStuff) {
706 Record.AddStmt(D->getBody());
707 }
708 Record.AddDeclRef(D->getSelfDecl());
709 Record.AddDeclRef(D->getCmdDecl());
710 Record.push_back(D->isInstanceMethod());
711 Record.push_back(D->isVariadic());
712 Record.push_back(D->isPropertyAccessor());
713 Record.push_back(D->isSynthesizedAccessorStub());
714 Record.push_back(D->isDefined());
715 Record.push_back(D->isOverriding());
716 Record.push_back(D->hasSkippedBody());
717
718 Record.push_back(D->isRedeclaration());
719 Record.push_back(D->hasRedeclaration());
720 if (D->hasRedeclaration()) {
721 assert(Context.getObjCMethodRedeclaration(D));
722 Record.AddDeclRef(Context.getObjCMethodRedeclaration(D));
723 }
724
725 // FIXME: stable encoding for @required/@optional
726 Record.push_back(D->getImplementationControl());
727 // FIXME: stable encoding for in/out/inout/bycopy/byref/oneway/nullability
728 Record.push_back(D->getObjCDeclQualifier());
729 Record.push_back(D->hasRelatedResultType());
730 Record.AddTypeRef(D->getReturnType());
731 Record.AddTypeSourceInfo(D->getReturnTypeSourceInfo());
732 Record.AddSourceLocation(D->getEndLoc());
733 Record.push_back(D->param_size());
734 for (const auto *P : D->parameters())
735 Record.AddDeclRef(P);
736
737 Record.push_back(D->getSelLocsKind());
738 unsigned NumStoredSelLocs = D->getNumStoredSelLocs();
739 SourceLocation *SelLocs = D->getStoredSelLocs();
740 Record.push_back(NumStoredSelLocs);
741 for (unsigned i = 0; i != NumStoredSelLocs; ++i)
742 Record.AddSourceLocation(SelLocs[i]);
743
744 Code = serialization::DECL_OBJC_METHOD;
745 }
746
VisitObjCTypeParamDecl(ObjCTypeParamDecl * D)747 void ASTDeclWriter::VisitObjCTypeParamDecl(ObjCTypeParamDecl *D) {
748 VisitTypedefNameDecl(D);
749 Record.push_back(D->Variance);
750 Record.push_back(D->Index);
751 Record.AddSourceLocation(D->VarianceLoc);
752 Record.AddSourceLocation(D->ColonLoc);
753
754 Code = serialization::DECL_OBJC_TYPE_PARAM;
755 }
756
VisitObjCContainerDecl(ObjCContainerDecl * D)757 void ASTDeclWriter::VisitObjCContainerDecl(ObjCContainerDecl *D) {
758 VisitNamedDecl(D);
759 Record.AddSourceLocation(D->getAtStartLoc());
760 Record.AddSourceRange(D->getAtEndRange());
761 // Abstract class (no need to define a stable serialization::DECL code).
762 }
763
VisitObjCInterfaceDecl(ObjCInterfaceDecl * D)764 void ASTDeclWriter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) {
765 VisitRedeclarable(D);
766 VisitObjCContainerDecl(D);
767 Record.AddTypeRef(QualType(D->getTypeForDecl(), 0));
768 AddObjCTypeParamList(D->TypeParamList);
769
770 Record.push_back(D->isThisDeclarationADefinition());
771 if (D->isThisDeclarationADefinition()) {
772 // Write the DefinitionData
773 ObjCInterfaceDecl::DefinitionData &Data = D->data();
774
775 Record.AddTypeSourceInfo(D->getSuperClassTInfo());
776 Record.AddSourceLocation(D->getEndOfDefinitionLoc());
777 Record.push_back(Data.HasDesignatedInitializers);
778 Record.push_back(D->getODRHash());
779
780 // Write out the protocols that are directly referenced by the @interface.
781 Record.push_back(Data.ReferencedProtocols.size());
782 for (const auto *P : D->protocols())
783 Record.AddDeclRef(P);
784 for (const auto &PL : D->protocol_locs())
785 Record.AddSourceLocation(PL);
786
787 // Write out the protocols that are transitively referenced.
788 Record.push_back(Data.AllReferencedProtocols.size());
789 for (ObjCList<ObjCProtocolDecl>::iterator
790 P = Data.AllReferencedProtocols.begin(),
791 PEnd = Data.AllReferencedProtocols.end();
792 P != PEnd; ++P)
793 Record.AddDeclRef(*P);
794
795
796 if (ObjCCategoryDecl *Cat = D->getCategoryListRaw()) {
797 // Ensure that we write out the set of categories for this class.
798 Writer.ObjCClassesWithCategories.insert(D);
799
800 // Make sure that the categories get serialized.
801 for (; Cat; Cat = Cat->getNextClassCategoryRaw())
802 (void)Writer.GetDeclRef(Cat);
803 }
804 }
805
806 Code = serialization::DECL_OBJC_INTERFACE;
807 }
808
VisitObjCIvarDecl(ObjCIvarDecl * D)809 void ASTDeclWriter::VisitObjCIvarDecl(ObjCIvarDecl *D) {
810 VisitFieldDecl(D);
811 // FIXME: stable encoding for @public/@private/@protected/@package
812 Record.push_back(D->getAccessControl());
813 Record.push_back(D->getSynthesize());
814
815 if (D->getDeclContext() == D->getLexicalDeclContext() &&
816 !D->hasAttrs() &&
817 !D->isImplicit() &&
818 !D->isUsed(false) &&
819 !D->isInvalidDecl() &&
820 !D->isReferenced() &&
821 !D->isModulePrivate() &&
822 !D->getBitWidth() &&
823 !D->hasExtInfo() &&
824 D->getDeclName())
825 AbbrevToUse = Writer.getDeclObjCIvarAbbrev();
826
827 Code = serialization::DECL_OBJC_IVAR;
828 }
829
VisitObjCProtocolDecl(ObjCProtocolDecl * D)830 void ASTDeclWriter::VisitObjCProtocolDecl(ObjCProtocolDecl *D) {
831 VisitRedeclarable(D);
832 VisitObjCContainerDecl(D);
833
834 Record.push_back(D->isThisDeclarationADefinition());
835 if (D->isThisDeclarationADefinition()) {
836 Record.push_back(D->protocol_size());
837 for (const auto *I : D->protocols())
838 Record.AddDeclRef(I);
839 for (const auto &PL : D->protocol_locs())
840 Record.AddSourceLocation(PL);
841 Record.push_back(D->getODRHash());
842 }
843
844 Code = serialization::DECL_OBJC_PROTOCOL;
845 }
846
VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl * D)847 void ASTDeclWriter::VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D) {
848 VisitFieldDecl(D);
849 Code = serialization::DECL_OBJC_AT_DEFS_FIELD;
850 }
851
VisitObjCCategoryDecl(ObjCCategoryDecl * D)852 void ASTDeclWriter::VisitObjCCategoryDecl(ObjCCategoryDecl *D) {
853 VisitObjCContainerDecl(D);
854 Record.AddSourceLocation(D->getCategoryNameLoc());
855 Record.AddSourceLocation(D->getIvarLBraceLoc());
856 Record.AddSourceLocation(D->getIvarRBraceLoc());
857 Record.AddDeclRef(D->getClassInterface());
858 AddObjCTypeParamList(D->TypeParamList);
859 Record.push_back(D->protocol_size());
860 for (const auto *I : D->protocols())
861 Record.AddDeclRef(I);
862 for (const auto &PL : D->protocol_locs())
863 Record.AddSourceLocation(PL);
864 Code = serialization::DECL_OBJC_CATEGORY;
865 }
866
VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl * D)867 void ASTDeclWriter::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D) {
868 VisitNamedDecl(D);
869 Record.AddDeclRef(D->getClassInterface());
870 Code = serialization::DECL_OBJC_COMPATIBLE_ALIAS;
871 }
872
VisitObjCPropertyDecl(ObjCPropertyDecl * D)873 void ASTDeclWriter::VisitObjCPropertyDecl(ObjCPropertyDecl *D) {
874 VisitNamedDecl(D);
875 Record.AddSourceLocation(D->getAtLoc());
876 Record.AddSourceLocation(D->getLParenLoc());
877 Record.AddTypeRef(D->getType());
878 Record.AddTypeSourceInfo(D->getTypeSourceInfo());
879 // FIXME: stable encoding
880 Record.push_back((unsigned)D->getPropertyAttributes());
881 Record.push_back((unsigned)D->getPropertyAttributesAsWritten());
882 // FIXME: stable encoding
883 Record.push_back((unsigned)D->getPropertyImplementation());
884 Record.AddDeclarationName(D->getGetterName());
885 Record.AddSourceLocation(D->getGetterNameLoc());
886 Record.AddDeclarationName(D->getSetterName());
887 Record.AddSourceLocation(D->getSetterNameLoc());
888 Record.AddDeclRef(D->getGetterMethodDecl());
889 Record.AddDeclRef(D->getSetterMethodDecl());
890 Record.AddDeclRef(D->getPropertyIvarDecl());
891 Code = serialization::DECL_OBJC_PROPERTY;
892 }
893
VisitObjCImplDecl(ObjCImplDecl * D)894 void ASTDeclWriter::VisitObjCImplDecl(ObjCImplDecl *D) {
895 VisitObjCContainerDecl(D);
896 Record.AddDeclRef(D->getClassInterface());
897 // Abstract class (no need to define a stable serialization::DECL code).
898 }
899
VisitObjCCategoryImplDecl(ObjCCategoryImplDecl * D)900 void ASTDeclWriter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
901 VisitObjCImplDecl(D);
902 Record.AddSourceLocation(D->getCategoryNameLoc());
903 Code = serialization::DECL_OBJC_CATEGORY_IMPL;
904 }
905
VisitObjCImplementationDecl(ObjCImplementationDecl * D)906 void ASTDeclWriter::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
907 VisitObjCImplDecl(D);
908 Record.AddDeclRef(D->getSuperClass());
909 Record.AddSourceLocation(D->getSuperClassLoc());
910 Record.AddSourceLocation(D->getIvarLBraceLoc());
911 Record.AddSourceLocation(D->getIvarRBraceLoc());
912 Record.push_back(D->hasNonZeroConstructors());
913 Record.push_back(D->hasDestructors());
914 Record.push_back(D->NumIvarInitializers);
915 if (D->NumIvarInitializers)
916 Record.AddCXXCtorInitializers(
917 llvm::ArrayRef(D->init_begin(), D->init_end()));
918 Code = serialization::DECL_OBJC_IMPLEMENTATION;
919 }
920
VisitObjCPropertyImplDecl(ObjCPropertyImplDecl * D)921 void ASTDeclWriter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) {
922 VisitDecl(D);
923 Record.AddSourceLocation(D->getBeginLoc());
924 Record.AddDeclRef(D->getPropertyDecl());
925 Record.AddDeclRef(D->getPropertyIvarDecl());
926 Record.AddSourceLocation(D->getPropertyIvarDeclLoc());
927 Record.AddDeclRef(D->getGetterMethodDecl());
928 Record.AddDeclRef(D->getSetterMethodDecl());
929 Record.AddStmt(D->getGetterCXXConstructor());
930 Record.AddStmt(D->getSetterCXXAssignment());
931 Code = serialization::DECL_OBJC_PROPERTY_IMPL;
932 }
933
VisitFieldDecl(FieldDecl * D)934 void ASTDeclWriter::VisitFieldDecl(FieldDecl *D) {
935 VisitDeclaratorDecl(D);
936 Record.push_back(D->isMutable());
937
938 FieldDecl::InitStorageKind ISK = D->InitStorage.getInt();
939 Record.push_back(ISK);
940 if (ISK == FieldDecl::ISK_CapturedVLAType)
941 Record.AddTypeRef(QualType(D->getCapturedVLAType(), 0));
942 else if (ISK)
943 Record.AddStmt(D->getInClassInitializer());
944
945 Record.AddStmt(D->getBitWidth());
946
947 if (!D->getDeclName())
948 Record.AddDeclRef(Context.getInstantiatedFromUnnamedFieldDecl(D));
949
950 if (D->getDeclContext() == D->getLexicalDeclContext() &&
951 !D->hasAttrs() &&
952 !D->isImplicit() &&
953 !D->isUsed(false) &&
954 !D->isInvalidDecl() &&
955 !D->isReferenced() &&
956 !D->isTopLevelDeclInObjCContainer() &&
957 !D->isModulePrivate() &&
958 !D->getBitWidth() &&
959 !D->hasInClassInitializer() &&
960 !D->hasCapturedVLAType() &&
961 !D->hasExtInfo() &&
962 !ObjCIvarDecl::classofKind(D->getKind()) &&
963 !ObjCAtDefsFieldDecl::classofKind(D->getKind()) &&
964 D->getDeclName())
965 AbbrevToUse = Writer.getDeclFieldAbbrev();
966
967 Code = serialization::DECL_FIELD;
968 }
969
VisitMSPropertyDecl(MSPropertyDecl * D)970 void ASTDeclWriter::VisitMSPropertyDecl(MSPropertyDecl *D) {
971 VisitDeclaratorDecl(D);
972 Record.AddIdentifierRef(D->getGetterId());
973 Record.AddIdentifierRef(D->getSetterId());
974 Code = serialization::DECL_MS_PROPERTY;
975 }
976
VisitMSGuidDecl(MSGuidDecl * D)977 void ASTDeclWriter::VisitMSGuidDecl(MSGuidDecl *D) {
978 VisitValueDecl(D);
979 MSGuidDecl::Parts Parts = D->getParts();
980 Record.push_back(Parts.Part1);
981 Record.push_back(Parts.Part2);
982 Record.push_back(Parts.Part3);
983 Record.append(std::begin(Parts.Part4And5), std::end(Parts.Part4And5));
984 Code = serialization::DECL_MS_GUID;
985 }
986
VisitUnnamedGlobalConstantDecl(UnnamedGlobalConstantDecl * D)987 void ASTDeclWriter::VisitUnnamedGlobalConstantDecl(
988 UnnamedGlobalConstantDecl *D) {
989 VisitValueDecl(D);
990 Record.AddAPValue(D->getValue());
991 Code = serialization::DECL_UNNAMED_GLOBAL_CONSTANT;
992 }
993
VisitTemplateParamObjectDecl(TemplateParamObjectDecl * D)994 void ASTDeclWriter::VisitTemplateParamObjectDecl(TemplateParamObjectDecl *D) {
995 VisitValueDecl(D);
996 Record.AddAPValue(D->getValue());
997 Code = serialization::DECL_TEMPLATE_PARAM_OBJECT;
998 }
999
VisitIndirectFieldDecl(IndirectFieldDecl * D)1000 void ASTDeclWriter::VisitIndirectFieldDecl(IndirectFieldDecl *D) {
1001 VisitValueDecl(D);
1002 Record.push_back(D->getChainingSize());
1003
1004 for (const auto *P : D->chain())
1005 Record.AddDeclRef(P);
1006 Code = serialization::DECL_INDIRECTFIELD;
1007 }
1008
VisitVarDecl(VarDecl * D)1009 void ASTDeclWriter::VisitVarDecl(VarDecl *D) {
1010 VisitRedeclarable(D);
1011 VisitDeclaratorDecl(D);
1012 Record.push_back(D->getStorageClass());
1013 Record.push_back(D->getTSCSpec());
1014 Record.push_back(D->getInitStyle());
1015 Record.push_back(D->isARCPseudoStrong());
1016 if (!isa<ParmVarDecl>(D)) {
1017 Record.push_back(D->isThisDeclarationADemotedDefinition());
1018 Record.push_back(D->isExceptionVariable());
1019 Record.push_back(D->isNRVOVariable());
1020 Record.push_back(D->isCXXForRangeDecl());
1021 Record.push_back(D->isObjCForDecl());
1022 Record.push_back(D->isInline());
1023 Record.push_back(D->isInlineSpecified());
1024 Record.push_back(D->isConstexpr());
1025 Record.push_back(D->isInitCapture());
1026 Record.push_back(D->isPreviousDeclInSameBlockScope());
1027 if (const auto *IPD = dyn_cast<ImplicitParamDecl>(D))
1028 Record.push_back(static_cast<unsigned>(IPD->getParameterKind()));
1029 else
1030 Record.push_back(0);
1031 Record.push_back(D->isEscapingByref());
1032 }
1033 Record.push_back(D->getLinkageInternal());
1034
1035 Record.AddVarDeclInit(D);
1036
1037 if (D->hasAttr<BlocksAttr>() && D->getType()->getAsCXXRecordDecl()) {
1038 BlockVarCopyInit Init = Writer.Context->getBlockVarCopyInit(D);
1039 Record.AddStmt(Init.getCopyExpr());
1040 if (Init.getCopyExpr())
1041 Record.push_back(Init.canThrow());
1042 }
1043
1044 if (D->getStorageDuration() == SD_Static) {
1045 bool ModulesCodegen = false;
1046 if (Writer.WritingModule &&
1047 !D->getDescribedVarTemplate() && !D->getMemberSpecializationInfo()) {
1048 // When building a C++20 module interface unit or a partition unit, a
1049 // strong definition in the module interface is provided by the
1050 // compilation of that unit, not by its users. (Inline variables are still
1051 // emitted in module users.)
1052 ModulesCodegen =
1053 (Writer.WritingModule->isInterfaceOrPartition() ||
1054 (D->hasAttr<DLLExportAttr>() &&
1055 Writer.Context->getLangOpts().BuildingPCHWithObjectFile)) &&
1056 Writer.Context->GetGVALinkageForVariable(D) == GVA_StrongExternal;
1057 }
1058 Record.push_back(ModulesCodegen);
1059 if (ModulesCodegen)
1060 Writer.ModularCodegenDecls.push_back(Writer.GetDeclRef(D));
1061 }
1062
1063 enum {
1064 VarNotTemplate = 0, VarTemplate, StaticDataMemberSpecialization
1065 };
1066 if (VarTemplateDecl *TemplD = D->getDescribedVarTemplate()) {
1067 Record.push_back(VarTemplate);
1068 Record.AddDeclRef(TemplD);
1069 } else if (MemberSpecializationInfo *SpecInfo
1070 = D->getMemberSpecializationInfo()) {
1071 Record.push_back(StaticDataMemberSpecialization);
1072 Record.AddDeclRef(SpecInfo->getInstantiatedFrom());
1073 Record.push_back(SpecInfo->getTemplateSpecializationKind());
1074 Record.AddSourceLocation(SpecInfo->getPointOfInstantiation());
1075 } else {
1076 Record.push_back(VarNotTemplate);
1077 }
1078
1079 if (D->getDeclContext() == D->getLexicalDeclContext() &&
1080 !D->hasAttrs() &&
1081 !D->isImplicit() &&
1082 !D->isUsed(false) &&
1083 !D->isInvalidDecl() &&
1084 !D->isReferenced() &&
1085 !D->isTopLevelDeclInObjCContainer() &&
1086 D->getAccess() == AS_none &&
1087 !D->isModulePrivate() &&
1088 !needsAnonymousDeclarationNumber(D) &&
1089 D->getDeclName().getNameKind() == DeclarationName::Identifier &&
1090 !D->hasExtInfo() &&
1091 D->getFirstDecl() == D->getMostRecentDecl() &&
1092 D->getKind() == Decl::Var &&
1093 !D->isInline() &&
1094 !D->isConstexpr() &&
1095 !D->isInitCapture() &&
1096 !D->isPreviousDeclInSameBlockScope() &&
1097 !(D->hasAttr<BlocksAttr>() && D->getType()->getAsCXXRecordDecl()) &&
1098 !D->isEscapingByref() &&
1099 D->getStorageDuration() != SD_Static &&
1100 !D->getMemberSpecializationInfo())
1101 AbbrevToUse = Writer.getDeclVarAbbrev();
1102
1103 Code = serialization::DECL_VAR;
1104 }
1105
VisitImplicitParamDecl(ImplicitParamDecl * D)1106 void ASTDeclWriter::VisitImplicitParamDecl(ImplicitParamDecl *D) {
1107 VisitVarDecl(D);
1108 Code = serialization::DECL_IMPLICIT_PARAM;
1109 }
1110
VisitParmVarDecl(ParmVarDecl * D)1111 void ASTDeclWriter::VisitParmVarDecl(ParmVarDecl *D) {
1112 VisitVarDecl(D);
1113 Record.push_back(D->isObjCMethodParameter());
1114 Record.push_back(D->getFunctionScopeDepth());
1115 Record.push_back(D->getFunctionScopeIndex());
1116 Record.push_back(D->getObjCDeclQualifier()); // FIXME: stable encoding
1117 Record.push_back(D->isKNRPromoted());
1118 Record.push_back(D->hasInheritedDefaultArg());
1119 Record.push_back(D->hasUninstantiatedDefaultArg());
1120 if (D->hasUninstantiatedDefaultArg())
1121 Record.AddStmt(D->getUninstantiatedDefaultArg());
1122 Code = serialization::DECL_PARM_VAR;
1123
1124 // If the assumptions about the DECL_PARM_VAR abbrev are true, use it. Here
1125 // we dynamically check for the properties that we optimize for, but don't
1126 // know are true of all PARM_VAR_DECLs.
1127 if (D->getDeclContext() == D->getLexicalDeclContext() &&
1128 !D->hasAttrs() &&
1129 !D->hasExtInfo() &&
1130 !D->isImplicit() &&
1131 !D->isUsed(false) &&
1132 !D->isInvalidDecl() &&
1133 !D->isReferenced() &&
1134 D->getAccess() == AS_none &&
1135 !D->isModulePrivate() &&
1136 D->getStorageClass() == 0 &&
1137 D->getInitStyle() == VarDecl::CInit && // Can params have anything else?
1138 D->getFunctionScopeDepth() == 0 &&
1139 D->getObjCDeclQualifier() == 0 &&
1140 !D->isKNRPromoted() &&
1141 !D->hasInheritedDefaultArg() &&
1142 D->getInit() == nullptr &&
1143 !D->hasUninstantiatedDefaultArg()) // No default expr.
1144 AbbrevToUse = Writer.getDeclParmVarAbbrev();
1145
1146 // Check things we know are true of *every* PARM_VAR_DECL, which is more than
1147 // just us assuming it.
1148 assert(!D->getTSCSpec() && "PARM_VAR_DECL can't use TLS");
1149 assert(!D->isThisDeclarationADemotedDefinition()
1150 && "PARM_VAR_DECL can't be demoted definition.");
1151 assert(D->getAccess() == AS_none && "PARM_VAR_DECL can't be public/private");
1152 assert(!D->isExceptionVariable() && "PARM_VAR_DECL can't be exception var");
1153 assert(D->getPreviousDecl() == nullptr && "PARM_VAR_DECL can't be redecl");
1154 assert(!D->isStaticDataMember() &&
1155 "PARM_VAR_DECL can't be static data member");
1156 }
1157
VisitDecompositionDecl(DecompositionDecl * D)1158 void ASTDeclWriter::VisitDecompositionDecl(DecompositionDecl *D) {
1159 // Record the number of bindings first to simplify deserialization.
1160 Record.push_back(D->bindings().size());
1161
1162 VisitVarDecl(D);
1163 for (auto *B : D->bindings())
1164 Record.AddDeclRef(B);
1165 Code = serialization::DECL_DECOMPOSITION;
1166 }
1167
VisitBindingDecl(BindingDecl * D)1168 void ASTDeclWriter::VisitBindingDecl(BindingDecl *D) {
1169 VisitValueDecl(D);
1170 Record.AddStmt(D->getBinding());
1171 Code = serialization::DECL_BINDING;
1172 }
1173
VisitFileScopeAsmDecl(FileScopeAsmDecl * D)1174 void ASTDeclWriter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) {
1175 VisitDecl(D);
1176 Record.AddStmt(D->getAsmString());
1177 Record.AddSourceLocation(D->getRParenLoc());
1178 Code = serialization::DECL_FILE_SCOPE_ASM;
1179 }
1180
VisitTopLevelStmtDecl(TopLevelStmtDecl * D)1181 void ASTDeclWriter::VisitTopLevelStmtDecl(TopLevelStmtDecl *D) {
1182 VisitDecl(D);
1183 Record.AddStmt(D->getStmt());
1184 Code = serialization::DECL_TOP_LEVEL_STMT_DECL;
1185 }
1186
VisitEmptyDecl(EmptyDecl * D)1187 void ASTDeclWriter::VisitEmptyDecl(EmptyDecl *D) {
1188 VisitDecl(D);
1189 Code = serialization::DECL_EMPTY;
1190 }
1191
VisitLifetimeExtendedTemporaryDecl(LifetimeExtendedTemporaryDecl * D)1192 void ASTDeclWriter::VisitLifetimeExtendedTemporaryDecl(
1193 LifetimeExtendedTemporaryDecl *D) {
1194 VisitDecl(D);
1195 Record.AddDeclRef(D->getExtendingDecl());
1196 Record.AddStmt(D->getTemporaryExpr());
1197 Record.push_back(static_cast<bool>(D->getValue()));
1198 if (D->getValue())
1199 Record.AddAPValue(*D->getValue());
1200 Record.push_back(D->getManglingNumber());
1201 Code = serialization::DECL_LIFETIME_EXTENDED_TEMPORARY;
1202 }
VisitBlockDecl(BlockDecl * D)1203 void ASTDeclWriter::VisitBlockDecl(BlockDecl *D) {
1204 VisitDecl(D);
1205 Record.AddStmt(D->getBody());
1206 Record.AddTypeSourceInfo(D->getSignatureAsWritten());
1207 Record.push_back(D->param_size());
1208 for (ParmVarDecl *P : D->parameters())
1209 Record.AddDeclRef(P);
1210 Record.push_back(D->isVariadic());
1211 Record.push_back(D->blockMissingReturnType());
1212 Record.push_back(D->isConversionFromLambda());
1213 Record.push_back(D->doesNotEscape());
1214 Record.push_back(D->canAvoidCopyToHeap());
1215 Record.push_back(D->capturesCXXThis());
1216 Record.push_back(D->getNumCaptures());
1217 for (const auto &capture : D->captures()) {
1218 Record.AddDeclRef(capture.getVariable());
1219
1220 unsigned flags = 0;
1221 if (capture.isByRef()) flags |= 1;
1222 if (capture.isNested()) flags |= 2;
1223 if (capture.hasCopyExpr()) flags |= 4;
1224 Record.push_back(flags);
1225
1226 if (capture.hasCopyExpr()) Record.AddStmt(capture.getCopyExpr());
1227 }
1228
1229 Code = serialization::DECL_BLOCK;
1230 }
1231
VisitCapturedDecl(CapturedDecl * CD)1232 void ASTDeclWriter::VisitCapturedDecl(CapturedDecl *CD) {
1233 Record.push_back(CD->getNumParams());
1234 VisitDecl(CD);
1235 Record.push_back(CD->getContextParamPosition());
1236 Record.push_back(CD->isNothrow() ? 1 : 0);
1237 // Body is stored by VisitCapturedStmt.
1238 for (unsigned I = 0; I < CD->getNumParams(); ++I)
1239 Record.AddDeclRef(CD->getParam(I));
1240 Code = serialization::DECL_CAPTURED;
1241 }
1242
VisitLinkageSpecDecl(LinkageSpecDecl * D)1243 void ASTDeclWriter::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
1244 VisitDecl(D);
1245 Record.push_back(D->getLanguage());
1246 Record.AddSourceLocation(D->getExternLoc());
1247 Record.AddSourceLocation(D->getRBraceLoc());
1248 Code = serialization::DECL_LINKAGE_SPEC;
1249 }
1250
VisitExportDecl(ExportDecl * D)1251 void ASTDeclWriter::VisitExportDecl(ExportDecl *D) {
1252 VisitDecl(D);
1253 Record.AddSourceLocation(D->getRBraceLoc());
1254 Code = serialization::DECL_EXPORT;
1255 }
1256
VisitLabelDecl(LabelDecl * D)1257 void ASTDeclWriter::VisitLabelDecl(LabelDecl *D) {
1258 VisitNamedDecl(D);
1259 Record.AddSourceLocation(D->getBeginLoc());
1260 Code = serialization::DECL_LABEL;
1261 }
1262
1263
VisitNamespaceDecl(NamespaceDecl * D)1264 void ASTDeclWriter::VisitNamespaceDecl(NamespaceDecl *D) {
1265 VisitRedeclarable(D);
1266 VisitNamedDecl(D);
1267 Record.push_back(D->isInline());
1268 Record.push_back(D->isNested());
1269 Record.AddSourceLocation(D->getBeginLoc());
1270 Record.AddSourceLocation(D->getRBraceLoc());
1271
1272 if (D->isOriginalNamespace())
1273 Record.AddDeclRef(D->getAnonymousNamespace());
1274 Code = serialization::DECL_NAMESPACE;
1275
1276 if (Writer.hasChain() && D->isAnonymousNamespace() &&
1277 D == D->getMostRecentDecl()) {
1278 // This is a most recent reopening of the anonymous namespace. If its parent
1279 // is in a previous PCH (or is the TU), mark that parent for update, because
1280 // the original namespace always points to the latest re-opening of its
1281 // anonymous namespace.
1282 Decl *Parent = cast<Decl>(
1283 D->getParent()->getRedeclContext()->getPrimaryContext());
1284 if (Parent->isFromASTFile() || isa<TranslationUnitDecl>(Parent)) {
1285 Writer.DeclUpdates[Parent].push_back(
1286 ASTWriter::DeclUpdate(UPD_CXX_ADDED_ANONYMOUS_NAMESPACE, D));
1287 }
1288 }
1289 }
1290
VisitNamespaceAliasDecl(NamespaceAliasDecl * D)1291 void ASTDeclWriter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
1292 VisitRedeclarable(D);
1293 VisitNamedDecl(D);
1294 Record.AddSourceLocation(D->getNamespaceLoc());
1295 Record.AddSourceLocation(D->getTargetNameLoc());
1296 Record.AddNestedNameSpecifierLoc(D->getQualifierLoc());
1297 Record.AddDeclRef(D->getNamespace());
1298 Code = serialization::DECL_NAMESPACE_ALIAS;
1299 }
1300
VisitUsingDecl(UsingDecl * D)1301 void ASTDeclWriter::VisitUsingDecl(UsingDecl *D) {
1302 VisitNamedDecl(D);
1303 Record.AddSourceLocation(D->getUsingLoc());
1304 Record.AddNestedNameSpecifierLoc(D->getQualifierLoc());
1305 Record.AddDeclarationNameLoc(D->DNLoc, D->getDeclName());
1306 Record.AddDeclRef(D->FirstUsingShadow.getPointer());
1307 Record.push_back(D->hasTypename());
1308 Record.AddDeclRef(Context.getInstantiatedFromUsingDecl(D));
1309 Code = serialization::DECL_USING;
1310 }
1311
VisitUsingEnumDecl(UsingEnumDecl * D)1312 void ASTDeclWriter::VisitUsingEnumDecl(UsingEnumDecl *D) {
1313 VisitNamedDecl(D);
1314 Record.AddSourceLocation(D->getUsingLoc());
1315 Record.AddSourceLocation(D->getEnumLoc());
1316 Record.AddTypeSourceInfo(D->getEnumType());
1317 Record.AddDeclRef(D->FirstUsingShadow.getPointer());
1318 Record.AddDeclRef(Context.getInstantiatedFromUsingEnumDecl(D));
1319 Code = serialization::DECL_USING_ENUM;
1320 }
1321
VisitUsingPackDecl(UsingPackDecl * D)1322 void ASTDeclWriter::VisitUsingPackDecl(UsingPackDecl *D) {
1323 Record.push_back(D->NumExpansions);
1324 VisitNamedDecl(D);
1325 Record.AddDeclRef(D->getInstantiatedFromUsingDecl());
1326 for (auto *E : D->expansions())
1327 Record.AddDeclRef(E);
1328 Code = serialization::DECL_USING_PACK;
1329 }
1330
VisitUsingShadowDecl(UsingShadowDecl * D)1331 void ASTDeclWriter::VisitUsingShadowDecl(UsingShadowDecl *D) {
1332 VisitRedeclarable(D);
1333 VisitNamedDecl(D);
1334 Record.AddDeclRef(D->getTargetDecl());
1335 Record.push_back(D->getIdentifierNamespace());
1336 Record.AddDeclRef(D->UsingOrNextShadow);
1337 Record.AddDeclRef(Context.getInstantiatedFromUsingShadowDecl(D));
1338 Code = serialization::DECL_USING_SHADOW;
1339 }
1340
VisitConstructorUsingShadowDecl(ConstructorUsingShadowDecl * D)1341 void ASTDeclWriter::VisitConstructorUsingShadowDecl(
1342 ConstructorUsingShadowDecl *D) {
1343 VisitUsingShadowDecl(D);
1344 Record.AddDeclRef(D->NominatedBaseClassShadowDecl);
1345 Record.AddDeclRef(D->ConstructedBaseClassShadowDecl);
1346 Record.push_back(D->IsVirtual);
1347 Code = serialization::DECL_CONSTRUCTOR_USING_SHADOW;
1348 }
1349
VisitUsingDirectiveDecl(UsingDirectiveDecl * D)1350 void ASTDeclWriter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
1351 VisitNamedDecl(D);
1352 Record.AddSourceLocation(D->getUsingLoc());
1353 Record.AddSourceLocation(D->getNamespaceKeyLocation());
1354 Record.AddNestedNameSpecifierLoc(D->getQualifierLoc());
1355 Record.AddDeclRef(D->getNominatedNamespace());
1356 Record.AddDeclRef(dyn_cast<Decl>(D->getCommonAncestor()));
1357 Code = serialization::DECL_USING_DIRECTIVE;
1358 }
1359
VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl * D)1360 void ASTDeclWriter::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
1361 VisitValueDecl(D);
1362 Record.AddSourceLocation(D->getUsingLoc());
1363 Record.AddNestedNameSpecifierLoc(D->getQualifierLoc());
1364 Record.AddDeclarationNameLoc(D->DNLoc, D->getDeclName());
1365 Record.AddSourceLocation(D->getEllipsisLoc());
1366 Code = serialization::DECL_UNRESOLVED_USING_VALUE;
1367 }
1368
VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl * D)1369 void ASTDeclWriter::VisitUnresolvedUsingTypenameDecl(
1370 UnresolvedUsingTypenameDecl *D) {
1371 VisitTypeDecl(D);
1372 Record.AddSourceLocation(D->getTypenameLoc());
1373 Record.AddNestedNameSpecifierLoc(D->getQualifierLoc());
1374 Record.AddSourceLocation(D->getEllipsisLoc());
1375 Code = serialization::DECL_UNRESOLVED_USING_TYPENAME;
1376 }
1377
VisitUnresolvedUsingIfExistsDecl(UnresolvedUsingIfExistsDecl * D)1378 void ASTDeclWriter::VisitUnresolvedUsingIfExistsDecl(
1379 UnresolvedUsingIfExistsDecl *D) {
1380 VisitNamedDecl(D);
1381 Code = serialization::DECL_UNRESOLVED_USING_IF_EXISTS;
1382 }
1383
VisitCXXRecordDecl(CXXRecordDecl * D)1384 void ASTDeclWriter::VisitCXXRecordDecl(CXXRecordDecl *D) {
1385 VisitRecordDecl(D);
1386
1387 enum {
1388 CXXRecNotTemplate = 0, CXXRecTemplate, CXXRecMemberSpecialization
1389 };
1390 if (ClassTemplateDecl *TemplD = D->getDescribedClassTemplate()) {
1391 Record.push_back(CXXRecTemplate);
1392 Record.AddDeclRef(TemplD);
1393 } else if (MemberSpecializationInfo *MSInfo
1394 = D->getMemberSpecializationInfo()) {
1395 Record.push_back(CXXRecMemberSpecialization);
1396 Record.AddDeclRef(MSInfo->getInstantiatedFrom());
1397 Record.push_back(MSInfo->getTemplateSpecializationKind());
1398 Record.AddSourceLocation(MSInfo->getPointOfInstantiation());
1399 } else {
1400 Record.push_back(CXXRecNotTemplate);
1401 }
1402
1403 Record.push_back(D->isThisDeclarationADefinition());
1404 if (D->isThisDeclarationADefinition())
1405 Record.AddCXXDefinitionData(D);
1406
1407 // Store (what we currently believe to be) the key function to avoid
1408 // deserializing every method so we can compute it.
1409 if (D->isCompleteDefinition())
1410 Record.AddDeclRef(Context.getCurrentKeyFunction(D));
1411
1412 Code = serialization::DECL_CXX_RECORD;
1413 }
1414
VisitCXXMethodDecl(CXXMethodDecl * D)1415 void ASTDeclWriter::VisitCXXMethodDecl(CXXMethodDecl *D) {
1416 VisitFunctionDecl(D);
1417 if (D->isCanonicalDecl()) {
1418 Record.push_back(D->size_overridden_methods());
1419 for (const CXXMethodDecl *MD : D->overridden_methods())
1420 Record.AddDeclRef(MD);
1421 } else {
1422 // We only need to record overridden methods once for the canonical decl.
1423 Record.push_back(0);
1424 }
1425
1426 if (D->getDeclContext() == D->getLexicalDeclContext() &&
1427 D->getFirstDecl() == D->getMostRecentDecl() && !D->isInvalidDecl() &&
1428 !D->hasAttrs() && !D->isTopLevelDeclInObjCContainer() &&
1429 D->getDeclName().getNameKind() == DeclarationName::Identifier &&
1430 !D->hasExtInfo() && !D->hasInheritedPrototype() &&
1431 D->hasWrittenPrototype() &&
1432 D->getTemplatedKind() == FunctionDecl::TK_NonTemplate)
1433 AbbrevToUse = Writer.getDeclCXXMethodAbbrev();
1434
1435 Code = serialization::DECL_CXX_METHOD;
1436 }
1437
VisitCXXConstructorDecl(CXXConstructorDecl * D)1438 void ASTDeclWriter::VisitCXXConstructorDecl(CXXConstructorDecl *D) {
1439 Record.push_back(D->getTrailingAllocKind());
1440 addExplicitSpecifier(D->getExplicitSpecifier(), Record);
1441 if (auto Inherited = D->getInheritedConstructor()) {
1442 Record.AddDeclRef(Inherited.getShadowDecl());
1443 Record.AddDeclRef(Inherited.getConstructor());
1444 }
1445
1446 VisitCXXMethodDecl(D);
1447 Code = serialization::DECL_CXX_CONSTRUCTOR;
1448 }
1449
VisitCXXDestructorDecl(CXXDestructorDecl * D)1450 void ASTDeclWriter::VisitCXXDestructorDecl(CXXDestructorDecl *D) {
1451 VisitCXXMethodDecl(D);
1452
1453 Record.AddDeclRef(D->getOperatorDelete());
1454 if (D->getOperatorDelete())
1455 Record.AddStmt(D->getOperatorDeleteThisArg());
1456
1457 Code = serialization::DECL_CXX_DESTRUCTOR;
1458 }
1459
VisitCXXConversionDecl(CXXConversionDecl * D)1460 void ASTDeclWriter::VisitCXXConversionDecl(CXXConversionDecl *D) {
1461 addExplicitSpecifier(D->getExplicitSpecifier(), Record);
1462 VisitCXXMethodDecl(D);
1463 Code = serialization::DECL_CXX_CONVERSION;
1464 }
1465
VisitImportDecl(ImportDecl * D)1466 void ASTDeclWriter::VisitImportDecl(ImportDecl *D) {
1467 VisitDecl(D);
1468 Record.push_back(Writer.getSubmoduleID(D->getImportedModule()));
1469 ArrayRef<SourceLocation> IdentifierLocs = D->getIdentifierLocs();
1470 Record.push_back(!IdentifierLocs.empty());
1471 if (IdentifierLocs.empty()) {
1472 Record.AddSourceLocation(D->getEndLoc());
1473 Record.push_back(1);
1474 } else {
1475 for (unsigned I = 0, N = IdentifierLocs.size(); I != N; ++I)
1476 Record.AddSourceLocation(IdentifierLocs[I]);
1477 Record.push_back(IdentifierLocs.size());
1478 }
1479 // Note: the number of source locations must always be the last element in
1480 // the record.
1481 Code = serialization::DECL_IMPORT;
1482 }
1483
VisitAccessSpecDecl(AccessSpecDecl * D)1484 void ASTDeclWriter::VisitAccessSpecDecl(AccessSpecDecl *D) {
1485 VisitDecl(D);
1486 Record.AddSourceLocation(D->getColonLoc());
1487 Code = serialization::DECL_ACCESS_SPEC;
1488 }
1489
VisitFriendDecl(FriendDecl * D)1490 void ASTDeclWriter::VisitFriendDecl(FriendDecl *D) {
1491 // Record the number of friend type template parameter lists here
1492 // so as to simplify memory allocation during deserialization.
1493 Record.push_back(D->NumTPLists);
1494 VisitDecl(D);
1495 bool hasFriendDecl = D->Friend.is<NamedDecl*>();
1496 Record.push_back(hasFriendDecl);
1497 if (hasFriendDecl)
1498 Record.AddDeclRef(D->getFriendDecl());
1499 else
1500 Record.AddTypeSourceInfo(D->getFriendType());
1501 for (unsigned i = 0; i < D->NumTPLists; ++i)
1502 Record.AddTemplateParameterList(D->getFriendTypeTemplateParameterList(i));
1503 Record.AddDeclRef(D->getNextFriend());
1504 Record.push_back(D->UnsupportedFriend);
1505 Record.AddSourceLocation(D->FriendLoc);
1506 Code = serialization::DECL_FRIEND;
1507 }
1508
VisitFriendTemplateDecl(FriendTemplateDecl * D)1509 void ASTDeclWriter::VisitFriendTemplateDecl(FriendTemplateDecl *D) {
1510 VisitDecl(D);
1511 Record.push_back(D->getNumTemplateParameters());
1512 for (unsigned i = 0, e = D->getNumTemplateParameters(); i != e; ++i)
1513 Record.AddTemplateParameterList(D->getTemplateParameterList(i));
1514 Record.push_back(D->getFriendDecl() != nullptr);
1515 if (D->getFriendDecl())
1516 Record.AddDeclRef(D->getFriendDecl());
1517 else
1518 Record.AddTypeSourceInfo(D->getFriendType());
1519 Record.AddSourceLocation(D->getFriendLoc());
1520 Code = serialization::DECL_FRIEND_TEMPLATE;
1521 }
1522
VisitTemplateDecl(TemplateDecl * D)1523 void ASTDeclWriter::VisitTemplateDecl(TemplateDecl *D) {
1524 VisitNamedDecl(D);
1525
1526 Record.AddTemplateParameterList(D->getTemplateParameters());
1527 Record.AddDeclRef(D->getTemplatedDecl());
1528 }
1529
VisitConceptDecl(ConceptDecl * D)1530 void ASTDeclWriter::VisitConceptDecl(ConceptDecl *D) {
1531 VisitTemplateDecl(D);
1532 Record.AddStmt(D->getConstraintExpr());
1533 Code = serialization::DECL_CONCEPT;
1534 }
1535
VisitImplicitConceptSpecializationDecl(ImplicitConceptSpecializationDecl * D)1536 void ASTDeclWriter::VisitImplicitConceptSpecializationDecl(
1537 ImplicitConceptSpecializationDecl *D) {
1538 Record.push_back(D->getTemplateArguments().size());
1539 VisitDecl(D);
1540 for (const TemplateArgument &Arg : D->getTemplateArguments())
1541 Record.AddTemplateArgument(Arg);
1542 Code = serialization::DECL_IMPLICIT_CONCEPT_SPECIALIZATION;
1543 }
1544
VisitRequiresExprBodyDecl(RequiresExprBodyDecl * D)1545 void ASTDeclWriter::VisitRequiresExprBodyDecl(RequiresExprBodyDecl *D) {
1546 Code = serialization::DECL_REQUIRES_EXPR_BODY;
1547 }
1548
VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl * D)1549 void ASTDeclWriter::VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D) {
1550 VisitRedeclarable(D);
1551
1552 // Emit data to initialize CommonOrPrev before VisitTemplateDecl so that
1553 // getCommonPtr() can be used while this is still initializing.
1554 if (D->isFirstDecl()) {
1555 // This declaration owns the 'common' pointer, so serialize that data now.
1556 Record.AddDeclRef(D->getInstantiatedFromMemberTemplate());
1557 if (D->getInstantiatedFromMemberTemplate())
1558 Record.push_back(D->isMemberSpecialization());
1559 }
1560
1561 VisitTemplateDecl(D);
1562 Record.push_back(D->getIdentifierNamespace());
1563 }
1564
VisitClassTemplateDecl(ClassTemplateDecl * D)1565 void ASTDeclWriter::VisitClassTemplateDecl(ClassTemplateDecl *D) {
1566 VisitRedeclarableTemplateDecl(D);
1567
1568 if (D->isFirstDecl())
1569 AddTemplateSpecializations(D);
1570 Code = serialization::DECL_CLASS_TEMPLATE;
1571 }
1572
VisitClassTemplateSpecializationDecl(ClassTemplateSpecializationDecl * D)1573 void ASTDeclWriter::VisitClassTemplateSpecializationDecl(
1574 ClassTemplateSpecializationDecl *D) {
1575 RegisterTemplateSpecialization(D->getSpecializedTemplate(), D);
1576
1577 VisitCXXRecordDecl(D);
1578
1579 llvm::PointerUnion<ClassTemplateDecl *,
1580 ClassTemplatePartialSpecializationDecl *> InstFrom
1581 = D->getSpecializedTemplateOrPartial();
1582 if (Decl *InstFromD = InstFrom.dyn_cast<ClassTemplateDecl *>()) {
1583 Record.AddDeclRef(InstFromD);
1584 } else {
1585 Record.AddDeclRef(InstFrom.get<ClassTemplatePartialSpecializationDecl *>());
1586 Record.AddTemplateArgumentList(&D->getTemplateInstantiationArgs());
1587 }
1588
1589 Record.AddTemplateArgumentList(&D->getTemplateArgs());
1590 Record.AddSourceLocation(D->getPointOfInstantiation());
1591 Record.push_back(D->getSpecializationKind());
1592 Record.push_back(D->isCanonicalDecl());
1593
1594 if (D->isCanonicalDecl()) {
1595 // When reading, we'll add it to the folding set of the following template.
1596 Record.AddDeclRef(D->getSpecializedTemplate()->getCanonicalDecl());
1597 }
1598
1599 // Explicit info.
1600 Record.AddTypeSourceInfo(D->getTypeAsWritten());
1601 if (D->getTypeAsWritten()) {
1602 Record.AddSourceLocation(D->getExternLoc());
1603 Record.AddSourceLocation(D->getTemplateKeywordLoc());
1604 }
1605
1606 Code = serialization::DECL_CLASS_TEMPLATE_SPECIALIZATION;
1607 }
1608
VisitClassTemplatePartialSpecializationDecl(ClassTemplatePartialSpecializationDecl * D)1609 void ASTDeclWriter::VisitClassTemplatePartialSpecializationDecl(
1610 ClassTemplatePartialSpecializationDecl *D) {
1611 Record.AddTemplateParameterList(D->getTemplateParameters());
1612 Record.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten());
1613
1614 VisitClassTemplateSpecializationDecl(D);
1615
1616 // These are read/set from/to the first declaration.
1617 if (D->getPreviousDecl() == nullptr) {
1618 Record.AddDeclRef(D->getInstantiatedFromMember());
1619 Record.push_back(D->isMemberSpecialization());
1620 }
1621
1622 Code = serialization::DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION;
1623 }
1624
VisitVarTemplateDecl(VarTemplateDecl * D)1625 void ASTDeclWriter::VisitVarTemplateDecl(VarTemplateDecl *D) {
1626 VisitRedeclarableTemplateDecl(D);
1627
1628 if (D->isFirstDecl())
1629 AddTemplateSpecializations(D);
1630 Code = serialization::DECL_VAR_TEMPLATE;
1631 }
1632
VisitVarTemplateSpecializationDecl(VarTemplateSpecializationDecl * D)1633 void ASTDeclWriter::VisitVarTemplateSpecializationDecl(
1634 VarTemplateSpecializationDecl *D) {
1635 RegisterTemplateSpecialization(D->getSpecializedTemplate(), D);
1636
1637 llvm::PointerUnion<VarTemplateDecl *, VarTemplatePartialSpecializationDecl *>
1638 InstFrom = D->getSpecializedTemplateOrPartial();
1639 if (Decl *InstFromD = InstFrom.dyn_cast<VarTemplateDecl *>()) {
1640 Record.AddDeclRef(InstFromD);
1641 } else {
1642 Record.AddDeclRef(InstFrom.get<VarTemplatePartialSpecializationDecl *>());
1643 Record.AddTemplateArgumentList(&D->getTemplateInstantiationArgs());
1644 }
1645
1646 // Explicit info.
1647 Record.AddTypeSourceInfo(D->getTypeAsWritten());
1648 if (D->getTypeAsWritten()) {
1649 Record.AddSourceLocation(D->getExternLoc());
1650 Record.AddSourceLocation(D->getTemplateKeywordLoc());
1651 }
1652
1653 Record.AddTemplateArgumentList(&D->getTemplateArgs());
1654 Record.AddSourceLocation(D->getPointOfInstantiation());
1655 Record.push_back(D->getSpecializationKind());
1656 Record.push_back(D->IsCompleteDefinition);
1657
1658 VisitVarDecl(D);
1659
1660 Record.push_back(D->isCanonicalDecl());
1661
1662 if (D->isCanonicalDecl()) {
1663 // When reading, we'll add it to the folding set of the following template.
1664 Record.AddDeclRef(D->getSpecializedTemplate()->getCanonicalDecl());
1665 }
1666
1667 Code = serialization::DECL_VAR_TEMPLATE_SPECIALIZATION;
1668 }
1669
VisitVarTemplatePartialSpecializationDecl(VarTemplatePartialSpecializationDecl * D)1670 void ASTDeclWriter::VisitVarTemplatePartialSpecializationDecl(
1671 VarTemplatePartialSpecializationDecl *D) {
1672 Record.AddTemplateParameterList(D->getTemplateParameters());
1673 Record.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten());
1674
1675 VisitVarTemplateSpecializationDecl(D);
1676
1677 // These are read/set from/to the first declaration.
1678 if (D->getPreviousDecl() == nullptr) {
1679 Record.AddDeclRef(D->getInstantiatedFromMember());
1680 Record.push_back(D->isMemberSpecialization());
1681 }
1682
1683 Code = serialization::DECL_VAR_TEMPLATE_PARTIAL_SPECIALIZATION;
1684 }
1685
VisitClassScopeFunctionSpecializationDecl(ClassScopeFunctionSpecializationDecl * D)1686 void ASTDeclWriter::VisitClassScopeFunctionSpecializationDecl(
1687 ClassScopeFunctionSpecializationDecl *D) {
1688 VisitDecl(D);
1689 Record.AddDeclRef(D->getSpecialization());
1690 Record.push_back(D->hasExplicitTemplateArgs());
1691 if (D->hasExplicitTemplateArgs())
1692 Record.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten());
1693 Code = serialization::DECL_CLASS_SCOPE_FUNCTION_SPECIALIZATION;
1694 }
1695
1696
VisitFunctionTemplateDecl(FunctionTemplateDecl * D)1697 void ASTDeclWriter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
1698 VisitRedeclarableTemplateDecl(D);
1699
1700 if (D->isFirstDecl())
1701 AddTemplateSpecializations(D);
1702 Code = serialization::DECL_FUNCTION_TEMPLATE;
1703 }
1704
VisitTemplateTypeParmDecl(TemplateTypeParmDecl * D)1705 void ASTDeclWriter::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
1706 Record.push_back(D->hasTypeConstraint());
1707 VisitTypeDecl(D);
1708
1709 Record.push_back(D->wasDeclaredWithTypename());
1710
1711 const TypeConstraint *TC = D->getTypeConstraint();
1712 Record.push_back(TC != nullptr);
1713 if (TC) {
1714 Record.AddNestedNameSpecifierLoc(TC->getNestedNameSpecifierLoc());
1715 Record.AddDeclarationNameInfo(TC->getConceptNameInfo());
1716 Record.AddDeclRef(TC->getNamedConcept());
1717 Record.push_back(TC->getTemplateArgsAsWritten() != nullptr);
1718 if (TC->getTemplateArgsAsWritten())
1719 Record.AddASTTemplateArgumentListInfo(TC->getTemplateArgsAsWritten());
1720 Record.AddStmt(TC->getImmediatelyDeclaredConstraint());
1721 Record.push_back(D->isExpandedParameterPack());
1722 if (D->isExpandedParameterPack())
1723 Record.push_back(D->getNumExpansionParameters());
1724 }
1725
1726 bool OwnsDefaultArg = D->hasDefaultArgument() &&
1727 !D->defaultArgumentWasInherited();
1728 Record.push_back(OwnsDefaultArg);
1729 if (OwnsDefaultArg)
1730 Record.AddTypeSourceInfo(D->getDefaultArgumentInfo());
1731
1732 Code = serialization::DECL_TEMPLATE_TYPE_PARM;
1733 }
1734
VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl * D)1735 void ASTDeclWriter::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
1736 // For an expanded parameter pack, record the number of expansion types here
1737 // so that it's easier for deserialization to allocate the right amount of
1738 // memory.
1739 Expr *TypeConstraint = D->getPlaceholderTypeConstraint();
1740 Record.push_back(!!TypeConstraint);
1741 if (D->isExpandedParameterPack())
1742 Record.push_back(D->getNumExpansionTypes());
1743
1744 VisitDeclaratorDecl(D);
1745 // TemplateParmPosition.
1746 Record.push_back(D->getDepth());
1747 Record.push_back(D->getPosition());
1748 if (TypeConstraint)
1749 Record.AddStmt(TypeConstraint);
1750
1751 if (D->isExpandedParameterPack()) {
1752 for (unsigned I = 0, N = D->getNumExpansionTypes(); I != N; ++I) {
1753 Record.AddTypeRef(D->getExpansionType(I));
1754 Record.AddTypeSourceInfo(D->getExpansionTypeSourceInfo(I));
1755 }
1756
1757 Code = serialization::DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK;
1758 } else {
1759 // Rest of NonTypeTemplateParmDecl.
1760 Record.push_back(D->isParameterPack());
1761 bool OwnsDefaultArg = D->hasDefaultArgument() &&
1762 !D->defaultArgumentWasInherited();
1763 Record.push_back(OwnsDefaultArg);
1764 if (OwnsDefaultArg)
1765 Record.AddStmt(D->getDefaultArgument());
1766 Code = serialization::DECL_NON_TYPE_TEMPLATE_PARM;
1767 }
1768 }
1769
VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl * D)1770 void ASTDeclWriter::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
1771 // For an expanded parameter pack, record the number of expansion types here
1772 // so that it's easier for deserialization to allocate the right amount of
1773 // memory.
1774 if (D->isExpandedParameterPack())
1775 Record.push_back(D->getNumExpansionTemplateParameters());
1776
1777 VisitTemplateDecl(D);
1778 // TemplateParmPosition.
1779 Record.push_back(D->getDepth());
1780 Record.push_back(D->getPosition());
1781
1782 if (D->isExpandedParameterPack()) {
1783 for (unsigned I = 0, N = D->getNumExpansionTemplateParameters();
1784 I != N; ++I)
1785 Record.AddTemplateParameterList(D->getExpansionTemplateParameters(I));
1786 Code = serialization::DECL_EXPANDED_TEMPLATE_TEMPLATE_PARM_PACK;
1787 } else {
1788 // Rest of TemplateTemplateParmDecl.
1789 Record.push_back(D->isParameterPack());
1790 bool OwnsDefaultArg = D->hasDefaultArgument() &&
1791 !D->defaultArgumentWasInherited();
1792 Record.push_back(OwnsDefaultArg);
1793 if (OwnsDefaultArg)
1794 Record.AddTemplateArgumentLoc(D->getDefaultArgument());
1795 Code = serialization::DECL_TEMPLATE_TEMPLATE_PARM;
1796 }
1797 }
1798
VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl * D)1799 void ASTDeclWriter::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) {
1800 VisitRedeclarableTemplateDecl(D);
1801 Code = serialization::DECL_TYPE_ALIAS_TEMPLATE;
1802 }
1803
VisitStaticAssertDecl(StaticAssertDecl * D)1804 void ASTDeclWriter::VisitStaticAssertDecl(StaticAssertDecl *D) {
1805 VisitDecl(D);
1806 Record.AddStmt(D->getAssertExpr());
1807 Record.push_back(D->isFailed());
1808 Record.AddStmt(D->getMessage());
1809 Record.AddSourceLocation(D->getRParenLoc());
1810 Code = serialization::DECL_STATIC_ASSERT;
1811 }
1812
1813 /// Emit the DeclContext part of a declaration context decl.
VisitDeclContext(DeclContext * DC)1814 void ASTDeclWriter::VisitDeclContext(DeclContext *DC) {
1815 Record.AddOffset(Writer.WriteDeclContextLexicalBlock(Context, DC));
1816 Record.AddOffset(Writer.WriteDeclContextVisibleBlock(Context, DC));
1817 }
1818
getFirstLocalDecl(const Decl * D)1819 const Decl *ASTWriter::getFirstLocalDecl(const Decl *D) {
1820 assert(IsLocalDecl(D) && "expected a local declaration");
1821
1822 const Decl *Canon = D->getCanonicalDecl();
1823 if (IsLocalDecl(Canon))
1824 return Canon;
1825
1826 const Decl *&CacheEntry = FirstLocalDeclCache[Canon];
1827 if (CacheEntry)
1828 return CacheEntry;
1829
1830 for (const Decl *Redecl = D; Redecl; Redecl = Redecl->getPreviousDecl())
1831 if (IsLocalDecl(Redecl))
1832 D = Redecl;
1833 return CacheEntry = D;
1834 }
1835
1836 template <typename T>
VisitRedeclarable(Redeclarable<T> * D)1837 void ASTDeclWriter::VisitRedeclarable(Redeclarable<T> *D) {
1838 T *First = D->getFirstDecl();
1839 T *MostRecent = First->getMostRecentDecl();
1840 T *DAsT = static_cast<T *>(D);
1841 if (MostRecent != First) {
1842 assert(isRedeclarableDeclKind(DAsT->getKind()) &&
1843 "Not considered redeclarable?");
1844
1845 Record.AddDeclRef(First);
1846
1847 // Write out a list of local redeclarations of this declaration if it's the
1848 // first local declaration in the chain.
1849 const Decl *FirstLocal = Writer.getFirstLocalDecl(DAsT);
1850 if (DAsT == FirstLocal) {
1851 // Emit a list of all imported first declarations so that we can be sure
1852 // that all redeclarations visible to this module are before D in the
1853 // redecl chain.
1854 unsigned I = Record.size();
1855 Record.push_back(0);
1856 if (Writer.Chain)
1857 AddFirstDeclFromEachModule(DAsT, /*IncludeLocal*/false);
1858 // This is the number of imported first declarations + 1.
1859 Record[I] = Record.size() - I;
1860
1861 // Collect the set of local redeclarations of this declaration, from
1862 // newest to oldest.
1863 ASTWriter::RecordData LocalRedecls;
1864 ASTRecordWriter LocalRedeclWriter(Record, LocalRedecls);
1865 for (const Decl *Prev = FirstLocal->getMostRecentDecl();
1866 Prev != FirstLocal; Prev = Prev->getPreviousDecl())
1867 if (!Prev->isFromASTFile())
1868 LocalRedeclWriter.AddDeclRef(Prev);
1869
1870 // If we have any redecls, write them now as a separate record preceding
1871 // the declaration itself.
1872 if (LocalRedecls.empty())
1873 Record.push_back(0);
1874 else
1875 Record.AddOffset(LocalRedeclWriter.Emit(LOCAL_REDECLARATIONS));
1876 } else {
1877 Record.push_back(0);
1878 Record.AddDeclRef(FirstLocal);
1879 }
1880
1881 // Make sure that we serialize both the previous and the most-recent
1882 // declarations, which (transitively) ensures that all declarations in the
1883 // chain get serialized.
1884 //
1885 // FIXME: This is not correct; when we reach an imported declaration we
1886 // won't emit its previous declaration.
1887 (void)Writer.GetDeclRef(D->getPreviousDecl());
1888 (void)Writer.GetDeclRef(MostRecent);
1889 } else {
1890 // We use the sentinel value 0 to indicate an only declaration.
1891 Record.push_back(0);
1892 }
1893 }
1894
VisitHLSLBufferDecl(HLSLBufferDecl * D)1895 void ASTDeclWriter::VisitHLSLBufferDecl(HLSLBufferDecl *D) {
1896 VisitNamedDecl(D);
1897 VisitDeclContext(D);
1898 Record.push_back(D->isCBuffer());
1899 Record.AddSourceLocation(D->getLocStart());
1900 Record.AddSourceLocation(D->getLBraceLoc());
1901 Record.AddSourceLocation(D->getRBraceLoc());
1902
1903 Code = serialization::DECL_HLSL_BUFFER;
1904 }
1905
VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl * D)1906 void ASTDeclWriter::VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D) {
1907 Record.writeOMPChildren(D->Data);
1908 VisitDecl(D);
1909 Code = serialization::DECL_OMP_THREADPRIVATE;
1910 }
1911
VisitOMPAllocateDecl(OMPAllocateDecl * D)1912 void ASTDeclWriter::VisitOMPAllocateDecl(OMPAllocateDecl *D) {
1913 Record.writeOMPChildren(D->Data);
1914 VisitDecl(D);
1915 Code = serialization::DECL_OMP_ALLOCATE;
1916 }
1917
VisitOMPRequiresDecl(OMPRequiresDecl * D)1918 void ASTDeclWriter::VisitOMPRequiresDecl(OMPRequiresDecl *D) {
1919 Record.writeOMPChildren(D->Data);
1920 VisitDecl(D);
1921 Code = serialization::DECL_OMP_REQUIRES;
1922 }
1923
VisitOMPDeclareReductionDecl(OMPDeclareReductionDecl * D)1924 void ASTDeclWriter::VisitOMPDeclareReductionDecl(OMPDeclareReductionDecl *D) {
1925 VisitValueDecl(D);
1926 Record.AddSourceLocation(D->getBeginLoc());
1927 Record.AddStmt(D->getCombinerIn());
1928 Record.AddStmt(D->getCombinerOut());
1929 Record.AddStmt(D->getCombiner());
1930 Record.AddStmt(D->getInitOrig());
1931 Record.AddStmt(D->getInitPriv());
1932 Record.AddStmt(D->getInitializer());
1933 Record.push_back(D->getInitializerKind());
1934 Record.AddDeclRef(D->getPrevDeclInScope());
1935 Code = serialization::DECL_OMP_DECLARE_REDUCTION;
1936 }
1937
VisitOMPDeclareMapperDecl(OMPDeclareMapperDecl * D)1938 void ASTDeclWriter::VisitOMPDeclareMapperDecl(OMPDeclareMapperDecl *D) {
1939 Record.writeOMPChildren(D->Data);
1940 VisitValueDecl(D);
1941 Record.AddDeclarationName(D->getVarName());
1942 Record.AddDeclRef(D->getPrevDeclInScope());
1943 Code = serialization::DECL_OMP_DECLARE_MAPPER;
1944 }
1945
VisitOMPCapturedExprDecl(OMPCapturedExprDecl * D)1946 void ASTDeclWriter::VisitOMPCapturedExprDecl(OMPCapturedExprDecl *D) {
1947 VisitVarDecl(D);
1948 Code = serialization::DECL_OMP_CAPTUREDEXPR;
1949 }
1950
1951 //===----------------------------------------------------------------------===//
1952 // ASTWriter Implementation
1953 //===----------------------------------------------------------------------===//
1954
WriteDeclAbbrevs()1955 void ASTWriter::WriteDeclAbbrevs() {
1956 using namespace llvm;
1957
1958 std::shared_ptr<BitCodeAbbrev> Abv;
1959
1960 // Abbreviation for DECL_FIELD
1961 Abv = std::make_shared<BitCodeAbbrev>();
1962 Abv->Add(BitCodeAbbrevOp(serialization::DECL_FIELD));
1963 // Decl
1964 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext
1965 Abv->Add(BitCodeAbbrevOp(0)); // LexicalDeclContext
1966 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl
1967 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs
1968 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit
1969 Abv->Add(BitCodeAbbrevOp(0)); // isUsed
1970 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced
1971 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer
1972 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // AccessSpecifier
1973 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // ModuleOwnershipKind
1974 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID
1975 // NamedDecl
1976 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier
1977 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name
1978 Abv->Add(BitCodeAbbrevOp(0)); // AnonDeclNumber
1979 // ValueDecl
1980 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type
1981 // DeclaratorDecl
1982 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc
1983 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo
1984 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TSIType
1985 // FieldDecl
1986 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isMutable
1987 Abv->Add(BitCodeAbbrevOp(0)); // InitStyle
1988 // Type Source Info
1989 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
1990 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc
1991 DeclFieldAbbrev = Stream.EmitAbbrev(std::move(Abv));
1992
1993 // Abbreviation for DECL_OBJC_IVAR
1994 Abv = std::make_shared<BitCodeAbbrev>();
1995 Abv->Add(BitCodeAbbrevOp(serialization::DECL_OBJC_IVAR));
1996 // Decl
1997 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext
1998 Abv->Add(BitCodeAbbrevOp(0)); // LexicalDeclContext
1999 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl
2000 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs
2001 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit
2002 Abv->Add(BitCodeAbbrevOp(0)); // isUsed
2003 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced
2004 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer
2005 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // AccessSpecifier
2006 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // ModuleOwnershipKind
2007 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID
2008 // NamedDecl
2009 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier
2010 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name
2011 Abv->Add(BitCodeAbbrevOp(0)); // AnonDeclNumber
2012 // ValueDecl
2013 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type
2014 // DeclaratorDecl
2015 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc
2016 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo
2017 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TSIType
2018 // FieldDecl
2019 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isMutable
2020 Abv->Add(BitCodeAbbrevOp(0)); // InitStyle
2021 // ObjC Ivar
2022 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getAccessControl
2023 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getSynthesize
2024 // Type Source Info
2025 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
2026 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc
2027 DeclObjCIvarAbbrev = Stream.EmitAbbrev(std::move(Abv));
2028
2029 // Abbreviation for DECL_ENUM
2030 Abv = std::make_shared<BitCodeAbbrev>();
2031 Abv->Add(BitCodeAbbrevOp(serialization::DECL_ENUM));
2032 // Redeclarable
2033 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration
2034 // Decl
2035 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext
2036 Abv->Add(BitCodeAbbrevOp(0)); // LexicalDeclContext
2037 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl
2038 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs
2039 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit
2040 Abv->Add(BitCodeAbbrevOp(0)); // isUsed
2041 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced
2042 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer
2043 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier
2044 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // ModuleOwnershipKind
2045 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID
2046 // NamedDecl
2047 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier
2048 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name
2049 Abv->Add(BitCodeAbbrevOp(0)); // AnonDeclNumber
2050 // TypeDecl
2051 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location
2052 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref
2053 // TagDecl
2054 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IdentifierNamespace
2055 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getTagKind
2056 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isCompleteDefinition
2057 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // EmbeddedInDeclarator
2058 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsFreeStanding
2059 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsCompleteDefinitionRequired
2060 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation
2061 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation
2062 Abv->Add(BitCodeAbbrevOp(0)); // ExtInfoKind
2063 // EnumDecl
2064 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // AddTypeRef
2065 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IntegerType
2066 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getPromotionType
2067 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getNumPositiveBits
2068 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getNumNegativeBits
2069 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isScoped
2070 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isScopedUsingClassTag
2071 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isFixed
2072 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));// ODRHash
2073 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InstantiatedMembEnum
2074 // DC
2075 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalOffset
2076 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // VisibleOffset
2077 DeclEnumAbbrev = Stream.EmitAbbrev(std::move(Abv));
2078
2079 // Abbreviation for DECL_RECORD
2080 Abv = std::make_shared<BitCodeAbbrev>();
2081 Abv->Add(BitCodeAbbrevOp(serialization::DECL_RECORD));
2082 // Redeclarable
2083 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration
2084 // Decl
2085 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext
2086 Abv->Add(BitCodeAbbrevOp(0)); // LexicalDeclContext
2087 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl
2088 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs
2089 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit
2090 Abv->Add(BitCodeAbbrevOp(0)); // isUsed
2091 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced
2092 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer
2093 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier
2094 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // ModuleOwnershipKind
2095 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID
2096 // NamedDecl
2097 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier
2098 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name
2099 Abv->Add(BitCodeAbbrevOp(0)); // AnonDeclNumber
2100 // TypeDecl
2101 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location
2102 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref
2103 // TagDecl
2104 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IdentifierNamespace
2105 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getTagKind
2106 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isCompleteDefinition
2107 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // EmbeddedInDeclarator
2108 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsFreeStanding
2109 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsCompleteDefinitionRequired
2110 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation
2111 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation
2112 Abv->Add(BitCodeAbbrevOp(0)); // ExtInfoKind
2113 // RecordDecl
2114 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // FlexibleArrayMember
2115 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // AnonymousStructUnion
2116 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // hasObjectMember
2117 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // hasVolatileMember
2118
2119 // isNonTrivialToPrimitiveDefaultInitialize
2120 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1));
2121 // isNonTrivialToPrimitiveCopy
2122 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1));
2123 // isNonTrivialToPrimitiveDestroy
2124 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1));
2125 // hasNonTrivialToPrimitiveDefaultInitializeCUnion
2126 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1));
2127 // hasNonTrivialToPrimitiveDestructCUnion
2128 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1));
2129 // hasNonTrivialToPrimitiveCopyCUnion
2130 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1));
2131 // isParamDestroyedInCallee
2132 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1));
2133 // getArgPassingRestrictions
2134 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2));
2135 // ODRHash
2136 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 26));
2137
2138 // DC
2139 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalOffset
2140 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // VisibleOffset
2141 DeclRecordAbbrev = Stream.EmitAbbrev(std::move(Abv));
2142
2143 // Abbreviation for DECL_PARM_VAR
2144 Abv = std::make_shared<BitCodeAbbrev>();
2145 Abv->Add(BitCodeAbbrevOp(serialization::DECL_PARM_VAR));
2146 // Redeclarable
2147 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration
2148 // Decl
2149 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext
2150 Abv->Add(BitCodeAbbrevOp(0)); // LexicalDeclContext
2151 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl
2152 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs
2153 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit
2154 Abv->Add(BitCodeAbbrevOp(0)); // isUsed
2155 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced
2156 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer
2157 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier
2158 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // ModuleOwnershipKind
2159 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID
2160 // NamedDecl
2161 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier
2162 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name
2163 Abv->Add(BitCodeAbbrevOp(0)); // AnonDeclNumber
2164 // ValueDecl
2165 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type
2166 // DeclaratorDecl
2167 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc
2168 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo
2169 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TSIType
2170 // VarDecl
2171 Abv->Add(BitCodeAbbrevOp(0)); // SClass
2172 Abv->Add(BitCodeAbbrevOp(0)); // TSCSpec
2173 Abv->Add(BitCodeAbbrevOp(0)); // InitStyle
2174 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isARCPseudoStrong
2175 Abv->Add(BitCodeAbbrevOp(0)); // Linkage
2176 Abv->Add(BitCodeAbbrevOp(0)); // HasInit
2177 Abv->Add(BitCodeAbbrevOp(0)); // HasMemberSpecializationInfo
2178 // ParmVarDecl
2179 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsObjCMethodParameter
2180 Abv->Add(BitCodeAbbrevOp(0)); // ScopeDepth
2181 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ScopeIndex
2182 Abv->Add(BitCodeAbbrevOp(0)); // ObjCDeclQualifier
2183 Abv->Add(BitCodeAbbrevOp(0)); // KNRPromoted
2184 Abv->Add(BitCodeAbbrevOp(0)); // HasInheritedDefaultArg
2185 Abv->Add(BitCodeAbbrevOp(0)); // HasUninstantiatedDefaultArg
2186 // Type Source Info
2187 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
2188 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc
2189 DeclParmVarAbbrev = Stream.EmitAbbrev(std::move(Abv));
2190
2191 // Abbreviation for DECL_TYPEDEF
2192 Abv = std::make_shared<BitCodeAbbrev>();
2193 Abv->Add(BitCodeAbbrevOp(serialization::DECL_TYPEDEF));
2194 // Redeclarable
2195 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration
2196 // Decl
2197 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext
2198 Abv->Add(BitCodeAbbrevOp(0)); // LexicalDeclContext
2199 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl
2200 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs
2201 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit
2202 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isUsed
2203 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isReferenced
2204 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer
2205 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // C++ AccessSpecifier
2206 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // ModuleOwnershipKind
2207 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID
2208 // NamedDecl
2209 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier
2210 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name
2211 Abv->Add(BitCodeAbbrevOp(0)); // AnonDeclNumber
2212 // TypeDecl
2213 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location
2214 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref
2215 // TypedefDecl
2216 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
2217 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc
2218 DeclTypedefAbbrev = Stream.EmitAbbrev(std::move(Abv));
2219
2220 // Abbreviation for DECL_VAR
2221 Abv = std::make_shared<BitCodeAbbrev>();
2222 Abv->Add(BitCodeAbbrevOp(serialization::DECL_VAR));
2223 // Redeclarable
2224 Abv->Add(BitCodeAbbrevOp(0)); // No redeclaration
2225 // Decl
2226 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext
2227 Abv->Add(BitCodeAbbrevOp(0)); // LexicalDeclContext
2228 Abv->Add(BitCodeAbbrevOp(0)); // isInvalidDecl
2229 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs
2230 Abv->Add(BitCodeAbbrevOp(0)); // isImplicit
2231 Abv->Add(BitCodeAbbrevOp(0)); // isUsed
2232 Abv->Add(BitCodeAbbrevOp(0)); // isReferenced
2233 Abv->Add(BitCodeAbbrevOp(0)); // TopLevelDeclInObjCContainer
2234 Abv->Add(BitCodeAbbrevOp(AS_none)); // C++ AccessSpecifier
2235 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // ModuleOwnershipKind
2236 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID
2237 // NamedDecl
2238 Abv->Add(BitCodeAbbrevOp(0)); // NameKind = Identifier
2239 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name
2240 Abv->Add(BitCodeAbbrevOp(0)); // AnonDeclNumber
2241 // ValueDecl
2242 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type
2243 // DeclaratorDecl
2244 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc
2245 Abv->Add(BitCodeAbbrevOp(0)); // hasExtInfo
2246 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TSIType
2247 // VarDecl
2248 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // SClass
2249 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // TSCSpec
2250 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // InitStyle
2251 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isARCPseudoStrong
2252 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsThisDeclarationADemotedDefinition
2253 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isExceptionVariable
2254 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isNRVOVariable
2255 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isCXXForRangeDecl
2256 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isObjCForDecl
2257 Abv->Add(BitCodeAbbrevOp(0)); // isInline
2258 Abv->Add(BitCodeAbbrevOp(0)); // isInlineSpecified
2259 Abv->Add(BitCodeAbbrevOp(0)); // isConstexpr
2260 Abv->Add(BitCodeAbbrevOp(0)); // isInitCapture
2261 Abv->Add(BitCodeAbbrevOp(0)); // isPrevDeclInSameScope
2262 Abv->Add(BitCodeAbbrevOp(0)); // ImplicitParamKind
2263 Abv->Add(BitCodeAbbrevOp(0)); // EscapingByref
2264 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // Linkage
2265 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // HasConstant*
2266 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // VarKind (local enum)
2267 // Type Source Info
2268 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
2269 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc
2270 DeclVarAbbrev = Stream.EmitAbbrev(std::move(Abv));
2271
2272 // Abbreviation for DECL_CXX_METHOD
2273 Abv = std::make_shared<BitCodeAbbrev>();
2274 Abv->Add(BitCodeAbbrevOp(serialization::DECL_CXX_METHOD));
2275 // RedeclarableDecl
2276 Abv->Add(BitCodeAbbrevOp(0)); // CanonicalDecl
2277 // FIXME: Implement abbreviation for other template kinds.
2278 Abv->Add(BitCodeAbbrevOp(FunctionDecl::TK_NonTemplate)); // TemplateKind
2279 // Decl
2280 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext
2281 Abv->Add(BitCodeAbbrevOp(0)); // LexicalDeclContext
2282 Abv->Add(BitCodeAbbrevOp(0)); // Invalid
2283 Abv->Add(BitCodeAbbrevOp(0)); // HasAttrs
2284 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Implicit
2285 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Used
2286 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Referenced
2287 Abv->Add(BitCodeAbbrevOp(0)); // InObjCContainer
2288 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // Access
2289 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // ModuleOwnershipKind
2290 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID
2291 // NamedDecl
2292 Abv->Add(BitCodeAbbrevOp(DeclarationName::Identifier)); // NameKind
2293 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Identifier
2294 Abv->Add(BitCodeAbbrevOp(0)); // AnonDeclNumber
2295 // ValueDecl
2296 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type
2297 // DeclaratorDecl
2298 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerLocStart
2299 Abv->Add(BitCodeAbbrevOp(0)); // HasExtInfo
2300 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TSIType
2301 // FunctionDecl
2302 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 11)); // IDNS
2303 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // StorageClass
2304 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Inline
2305 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // InlineSpecified
2306 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // VirtualAsWritten
2307 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Pure
2308 Abv->Add(BitCodeAbbrevOp(0)); // HasInheritedProto
2309 Abv->Add(BitCodeAbbrevOp(1)); // HasWrittenProto
2310 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Deleted
2311 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Trivial
2312 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // TrivialForCall
2313 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Defaulted
2314 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ExplicitlyDefaulted
2315 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsIneligibleOrNotSelected
2316 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // ImplicitReturnZero
2317 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // Constexpr
2318 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // UsesSEHTry
2319 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // SkippedBody
2320 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // MultiVersion
2321 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // LateParsed
2322 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // FriendConstraintRefersToEnclosingTemplate
2323 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // Linkage
2324 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LocEnd
2325 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Default
2326 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // ODRHash
2327 // This Array slurps the rest of the record. Fortunately we want to encode
2328 // (nearly) all the remaining (variable number of) fields in the same way.
2329 //
2330 // This is:
2331 // NumParams and Params[] from FunctionDecl, and
2332 // NumOverriddenMethods, OverriddenMethods[] from CXXMethodDecl.
2333 //
2334 // Add an AbbrevOp for 'size then elements' and use it here.
2335 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
2336 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6));
2337 DeclCXXMethodAbbrev = Stream.EmitAbbrev(std::move(Abv));
2338
2339 unsigned ExprDependenceBits = llvm::BitWidth<ExprDependence>;
2340 // Abbreviation for EXPR_DECL_REF
2341 Abv = std::make_shared<BitCodeAbbrev>();
2342 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_DECL_REF));
2343 //Stmt
2344 // Expr
2345 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type
2346 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, ExprDependenceBits));
2347 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind
2348 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind
2349 //DeclRefExpr
2350 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //HasQualifier
2351 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //GetDeclFound
2352 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //ExplicitTemplateArgs
2353 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); //HadMultipleCandidates
2354 Abv->Add(BitCodeAbbrevOp(0)); // RefersToEnclosingVariableOrCapture
2355 Abv->Add(BitCodeAbbrevOp(0)); // NonOdrUseReason
2356 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclRef
2357 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location
2358 DeclRefExprAbbrev = Stream.EmitAbbrev(std::move(Abv));
2359
2360 // Abbreviation for EXPR_INTEGER_LITERAL
2361 Abv = std::make_shared<BitCodeAbbrev>();
2362 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_INTEGER_LITERAL));
2363 //Stmt
2364 // Expr
2365 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type
2366 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, ExprDependenceBits));
2367 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind
2368 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind
2369 //Integer Literal
2370 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location
2371 Abv->Add(BitCodeAbbrevOp(32)); // Bit Width
2372 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Value
2373 IntegerLiteralAbbrev = Stream.EmitAbbrev(std::move(Abv));
2374
2375 // Abbreviation for EXPR_CHARACTER_LITERAL
2376 Abv = std::make_shared<BitCodeAbbrev>();
2377 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_CHARACTER_LITERAL));
2378 //Stmt
2379 // Expr
2380 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type
2381 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, ExprDependenceBits));
2382 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind
2383 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind
2384 //Character Literal
2385 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getValue
2386 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location
2387 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // getKind
2388 CharacterLiteralAbbrev = Stream.EmitAbbrev(std::move(Abv));
2389
2390 // Abbreviation for EXPR_IMPLICIT_CAST
2391 Abv = std::make_shared<BitCodeAbbrev>();
2392 Abv->Add(BitCodeAbbrevOp(serialization::EXPR_IMPLICIT_CAST));
2393 // Stmt
2394 // Expr
2395 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type
2396 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, ExprDependenceBits));
2397 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetValueKind
2398 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); //GetObjectKind
2399 // CastExpr
2400 Abv->Add(BitCodeAbbrevOp(0)); // PathSize
2401 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // HasFPFeatures
2402 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 6)); // CastKind
2403 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // PartOfExplicitCast
2404 // ImplicitCastExpr
2405 ExprImplicitCastAbbrev = Stream.EmitAbbrev(std::move(Abv));
2406
2407 Abv = std::make_shared<BitCodeAbbrev>();
2408 Abv->Add(BitCodeAbbrevOp(serialization::DECL_CONTEXT_LEXICAL));
2409 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
2410 DeclContextLexicalAbbrev = Stream.EmitAbbrev(std::move(Abv));
2411
2412 Abv = std::make_shared<BitCodeAbbrev>();
2413 Abv->Add(BitCodeAbbrevOp(serialization::DECL_CONTEXT_VISIBLE));
2414 Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
2415 DeclContextVisibleLookupAbbrev = Stream.EmitAbbrev(std::move(Abv));
2416 }
2417
2418 /// isRequiredDecl - Check if this is a "required" Decl, which must be seen by
2419 /// consumers of the AST.
2420 ///
2421 /// Such decls will always be deserialized from the AST file, so we would like
2422 /// this to be as restrictive as possible. Currently the predicate is driven by
2423 /// code generation requirements, if other clients have a different notion of
2424 /// what is "required" then we may have to consider an alternate scheme where
2425 /// clients can iterate over the top-level decls and get information on them,
2426 /// without necessary deserializing them. We could explicitly require such
2427 /// clients to use a separate API call to "realize" the decl. This should be
2428 /// relatively painless since they would presumably only do it for top-level
2429 /// decls.
isRequiredDecl(const Decl * D,ASTContext & Context,bool WritingModule)2430 static bool isRequiredDecl(const Decl *D, ASTContext &Context,
2431 bool WritingModule) {
2432 // An ObjCMethodDecl is never considered as "required" because its
2433 // implementation container always is.
2434
2435 // File scoped assembly or obj-c or OMP declare target implementation must be
2436 // seen.
2437 if (isa<FileScopeAsmDecl, TopLevelStmtDecl, ObjCImplDecl>(D))
2438 return true;
2439
2440 if (WritingModule && isPartOfPerModuleInitializer(D)) {
2441 // These declarations are part of the module initializer, and are emitted
2442 // if and when the module is imported, rather than being emitted eagerly.
2443 return false;
2444 }
2445
2446 return Context.DeclMustBeEmitted(D);
2447 }
2448
WriteDecl(ASTContext & Context,Decl * D)2449 void ASTWriter::WriteDecl(ASTContext &Context, Decl *D) {
2450 PrettyDeclStackTraceEntry CrashInfo(Context, D, SourceLocation(),
2451 "serializing");
2452
2453 // Determine the ID for this declaration.
2454 serialization::DeclID ID;
2455 assert(!D->isFromASTFile() && "should not be emitting imported decl");
2456 serialization::DeclID &IDR = DeclIDs[D];
2457 if (IDR == 0)
2458 IDR = NextDeclID++;
2459
2460 ID = IDR;
2461
2462 assert(ID >= FirstDeclID && "invalid decl ID");
2463
2464 RecordData Record;
2465 ASTDeclWriter W(*this, Context, Record);
2466
2467 // Build a record for this declaration
2468 W.Visit(D);
2469
2470 // Emit this declaration to the bitstream.
2471 uint64_t Offset = W.Emit(D);
2472
2473 // Record the offset for this declaration
2474 SourceLocation Loc = D->getLocation();
2475 unsigned Index = ID - FirstDeclID;
2476 if (DeclOffsets.size() == Index)
2477 DeclOffsets.emplace_back(getAdjustedLocation(Loc), Offset,
2478 DeclTypesBlockStartOffset);
2479 else if (DeclOffsets.size() < Index) {
2480 // FIXME: Can/should this happen?
2481 DeclOffsets.resize(Index+1);
2482 DeclOffsets[Index].setLocation(getAdjustedLocation(Loc));
2483 DeclOffsets[Index].setBitOffset(Offset, DeclTypesBlockStartOffset);
2484 } else {
2485 llvm_unreachable("declarations should be emitted in ID order");
2486 }
2487
2488 SourceManager &SM = Context.getSourceManager();
2489 if (Loc.isValid() && SM.isLocalSourceLocation(Loc))
2490 associateDeclWithFile(D, ID);
2491
2492 // Note declarations that should be deserialized eagerly so that we can add
2493 // them to a record in the AST file later.
2494 if (isRequiredDecl(D, Context, WritingModule))
2495 EagerlyDeserializedDecls.push_back(ID);
2496 }
2497
AddFunctionDefinition(const FunctionDecl * FD)2498 void ASTRecordWriter::AddFunctionDefinition(const FunctionDecl *FD) {
2499 // Switch case IDs are per function body.
2500 Writer->ClearSwitchCaseIDs();
2501
2502 assert(FD->doesThisDeclarationHaveABody());
2503 bool ModulesCodegen = false;
2504 if (!FD->isDependentContext()) {
2505 std::optional<GVALinkage> Linkage;
2506 if (Writer->WritingModule &&
2507 Writer->WritingModule->isInterfaceOrPartition()) {
2508 // When building a C++20 module interface unit or a partition unit, a
2509 // strong definition in the module interface is provided by the
2510 // compilation of that unit, not by its users. (Inline functions are still
2511 // emitted in module users.)
2512 Linkage = Writer->Context->GetGVALinkageForFunction(FD);
2513 ModulesCodegen = *Linkage == GVA_StrongExternal;
2514 }
2515 if (Writer->Context->getLangOpts().ModulesCodegen ||
2516 (FD->hasAttr<DLLExportAttr>() &&
2517 Writer->Context->getLangOpts().BuildingPCHWithObjectFile)) {
2518
2519 // Under -fmodules-codegen, codegen is performed for all non-internal,
2520 // non-always_inline functions, unless they are available elsewhere.
2521 if (!FD->hasAttr<AlwaysInlineAttr>()) {
2522 if (!Linkage)
2523 Linkage = Writer->Context->GetGVALinkageForFunction(FD);
2524 ModulesCodegen =
2525 *Linkage != GVA_Internal && *Linkage != GVA_AvailableExternally;
2526 }
2527 }
2528 }
2529 Record->push_back(ModulesCodegen);
2530 if (ModulesCodegen)
2531 Writer->ModularCodegenDecls.push_back(Writer->GetDeclRef(FD));
2532 if (auto *CD = dyn_cast<CXXConstructorDecl>(FD)) {
2533 Record->push_back(CD->getNumCtorInitializers());
2534 if (CD->getNumCtorInitializers())
2535 AddCXXCtorInitializers(llvm::ArrayRef(CD->init_begin(), CD->init_end()));
2536 }
2537 AddStmt(FD->getBody());
2538 }
2539