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 | using namespace clang; |
27 | using namespace serialization; |
28 | |
29 | //===----------------------------------------------------------------------===// |
30 | // Utility functions |
31 | //===----------------------------------------------------------------------===// |
32 | |
33 | namespace { |
34 | |
35 | // Helper function that returns true if the decl passed in the argument is |
36 | // a defintion in dependent contxt. |
37 | template <typename DT> bool isDefinitionInDependentContext(DT *D) { |
38 | return D->isDependentContext() && D->isThisDeclarationADefinition(); |
39 | } |
40 | |
41 | } // namespace |
42 | |
43 | //===----------------------------------------------------------------------===// |
44 | // Declaration serialization |
45 | //===----------------------------------------------------------------------===// |
46 | |
47 | namespace clang { |
48 | class ASTDeclWriter : public DeclVisitor<ASTDeclWriter, void> { |
49 | ASTWriter &Writer; |
50 | ASTRecordWriter Record; |
51 | |
52 | serialization::DeclCode Code; |
53 | unsigned AbbrevToUse; |
54 | |
55 | bool GeneratingReducedBMI = false; |
56 | |
57 | public: |
58 | ASTDeclWriter(ASTWriter &Writer, ASTContext &Context, |
59 | ASTWriter::RecordDataImpl &Record, bool GeneratingReducedBMI) |
60 | : Writer(Writer), Record(Context, Writer, Record), |
61 | Code((serialization::DeclCode)0), AbbrevToUse(0), |
62 | GeneratingReducedBMI(GeneratingReducedBMI) {} |
63 | |
64 | uint64_t Emit(Decl *D) { |
65 | if (!Code) |
66 | llvm::report_fatal_error(reason: StringRef("unexpected declaration kind '" ) + |
67 | D->getDeclKindName() + "'" ); |
68 | return Record.Emit(Code, Abbrev: AbbrevToUse); |
69 | } |
70 | |
71 | void Visit(Decl *D); |
72 | |
73 | void VisitDecl(Decl *D); |
74 | void VisitPragmaCommentDecl(PragmaCommentDecl *D); |
75 | void VisitPragmaDetectMismatchDecl(PragmaDetectMismatchDecl *D); |
76 | void VisitTranslationUnitDecl(TranslationUnitDecl *D); |
77 | void VisitNamedDecl(NamedDecl *D); |
78 | void VisitLabelDecl(LabelDecl *LD); |
79 | void VisitNamespaceDecl(NamespaceDecl *D); |
80 | void VisitUsingDirectiveDecl(UsingDirectiveDecl *D); |
81 | void VisitNamespaceAliasDecl(NamespaceAliasDecl *D); |
82 | void VisitTypeDecl(TypeDecl *D); |
83 | void VisitTypedefNameDecl(TypedefNameDecl *D); |
84 | void VisitTypedefDecl(TypedefDecl *D); |
85 | void VisitTypeAliasDecl(TypeAliasDecl *D); |
86 | void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D); |
87 | void VisitUnresolvedUsingIfExistsDecl(UnresolvedUsingIfExistsDecl *D); |
88 | void VisitTagDecl(TagDecl *D); |
89 | void VisitEnumDecl(EnumDecl *D); |
90 | void VisitRecordDecl(RecordDecl *D); |
91 | void VisitCXXRecordDecl(CXXRecordDecl *D); |
92 | void VisitClassTemplateSpecializationDecl( |
93 | ClassTemplateSpecializationDecl *D); |
94 | void VisitClassTemplatePartialSpecializationDecl( |
95 | ClassTemplatePartialSpecializationDecl *D); |
96 | void VisitVarTemplateSpecializationDecl(VarTemplateSpecializationDecl *D); |
97 | void VisitVarTemplatePartialSpecializationDecl( |
98 | VarTemplatePartialSpecializationDecl *D); |
99 | void VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D); |
100 | void VisitValueDecl(ValueDecl *D); |
101 | void VisitEnumConstantDecl(EnumConstantDecl *D); |
102 | void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D); |
103 | void VisitDeclaratorDecl(DeclaratorDecl *D); |
104 | void VisitFunctionDecl(FunctionDecl *D); |
105 | void VisitCXXDeductionGuideDecl(CXXDeductionGuideDecl *D); |
106 | void VisitCXXMethodDecl(CXXMethodDecl *D); |
107 | void VisitCXXConstructorDecl(CXXConstructorDecl *D); |
108 | void VisitCXXDestructorDecl(CXXDestructorDecl *D); |
109 | void VisitCXXConversionDecl(CXXConversionDecl *D); |
110 | void VisitFieldDecl(FieldDecl *D); |
111 | void VisitMSPropertyDecl(MSPropertyDecl *D); |
112 | void VisitMSGuidDecl(MSGuidDecl *D); |
113 | void VisitUnnamedGlobalConstantDecl(UnnamedGlobalConstantDecl *D); |
114 | void VisitTemplateParamObjectDecl(TemplateParamObjectDecl *D); |
115 | void VisitIndirectFieldDecl(IndirectFieldDecl *D); |
116 | void VisitVarDecl(VarDecl *D); |
117 | void VisitImplicitParamDecl(ImplicitParamDecl *D); |
118 | void VisitParmVarDecl(ParmVarDecl *D); |
119 | void VisitDecompositionDecl(DecompositionDecl *D); |
120 | void VisitBindingDecl(BindingDecl *D); |
121 | void VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D); |
122 | void VisitTemplateDecl(TemplateDecl *D); |
123 | void VisitConceptDecl(ConceptDecl *D); |
124 | void VisitImplicitConceptSpecializationDecl( |
125 | ImplicitConceptSpecializationDecl *D); |
126 | void VisitRequiresExprBodyDecl(RequiresExprBodyDecl *D); |
127 | void VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D); |
128 | void VisitClassTemplateDecl(ClassTemplateDecl *D); |
129 | void VisitVarTemplateDecl(VarTemplateDecl *D); |
130 | void VisitFunctionTemplateDecl(FunctionTemplateDecl *D); |
131 | void VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D); |
132 | void VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D); |
133 | void VisitUsingDecl(UsingDecl *D); |
134 | void VisitUsingEnumDecl(UsingEnumDecl *D); |
135 | void VisitUsingPackDecl(UsingPackDecl *D); |
136 | void VisitUsingShadowDecl(UsingShadowDecl *D); |
137 | void VisitConstructorUsingShadowDecl(ConstructorUsingShadowDecl *D); |
138 | void VisitLinkageSpecDecl(LinkageSpecDecl *D); |
139 | void VisitExportDecl(ExportDecl *D); |
140 | void VisitFileScopeAsmDecl(FileScopeAsmDecl *D); |
141 | void VisitTopLevelStmtDecl(TopLevelStmtDecl *D); |
142 | void VisitImportDecl(ImportDecl *D); |
143 | void VisitAccessSpecDecl(AccessSpecDecl *D); |
144 | void VisitFriendDecl(FriendDecl *D); |
145 | void VisitFriendTemplateDecl(FriendTemplateDecl *D); |
146 | void VisitStaticAssertDecl(StaticAssertDecl *D); |
147 | void VisitBlockDecl(BlockDecl *D); |
148 | void VisitOutlinedFunctionDecl(OutlinedFunctionDecl *D); |
149 | void VisitCapturedDecl(CapturedDecl *D); |
150 | void VisitEmptyDecl(EmptyDecl *D); |
151 | void VisitLifetimeExtendedTemporaryDecl(LifetimeExtendedTemporaryDecl *D); |
152 | void VisitDeclContext(DeclContext *DC); |
153 | template <typename T> void VisitRedeclarable(Redeclarable<T> *D); |
154 | void VisitHLSLBufferDecl(HLSLBufferDecl *D); |
155 | |
156 | // FIXME: Put in the same order is DeclNodes.td? |
157 | void VisitObjCMethodDecl(ObjCMethodDecl *D); |
158 | void VisitObjCTypeParamDecl(ObjCTypeParamDecl *D); |
159 | void VisitObjCContainerDecl(ObjCContainerDecl *D); |
160 | void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D); |
161 | void VisitObjCIvarDecl(ObjCIvarDecl *D); |
162 | void VisitObjCProtocolDecl(ObjCProtocolDecl *D); |
163 | void VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D); |
164 | void VisitObjCCategoryDecl(ObjCCategoryDecl *D); |
165 | void VisitObjCImplDecl(ObjCImplDecl *D); |
166 | void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D); |
167 | void VisitObjCImplementationDecl(ObjCImplementationDecl *D); |
168 | void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D); |
169 | void VisitObjCPropertyDecl(ObjCPropertyDecl *D); |
170 | void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D); |
171 | void VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D); |
172 | void VisitOMPAllocateDecl(OMPAllocateDecl *D); |
173 | void VisitOMPRequiresDecl(OMPRequiresDecl *D); |
174 | void VisitOMPDeclareReductionDecl(OMPDeclareReductionDecl *D); |
175 | void VisitOMPDeclareMapperDecl(OMPDeclareMapperDecl *D); |
176 | void VisitOMPCapturedExprDecl(OMPCapturedExprDecl *D); |
177 | |
178 | void VisitOpenACCDeclareDecl(OpenACCDeclareDecl *D); |
179 | void VisitOpenACCRoutineDecl(OpenACCRoutineDecl *D); |
180 | |
181 | /// Add an Objective-C type parameter list to the given record. |
182 | void AddObjCTypeParamList(ObjCTypeParamList *typeParams) { |
183 | // Empty type parameter list. |
184 | if (!typeParams) { |
185 | Record.push_back(N: 0); |
186 | return; |
187 | } |
188 | |
189 | Record.push_back(N: typeParams->size()); |
190 | for (auto *typeParam : *typeParams) { |
191 | Record.AddDeclRef(D: typeParam); |
192 | } |
193 | Record.AddSourceLocation(Loc: typeParams->getLAngleLoc()); |
194 | Record.AddSourceLocation(Loc: typeParams->getRAngleLoc()); |
195 | } |
196 | |
197 | /// Collect the first declaration from each module file that provides a |
198 | /// declaration of D. |
199 | void CollectFirstDeclFromEachModule( |
200 | const Decl *D, bool IncludeLocal, |
201 | llvm::MapVector<ModuleFile *, const Decl *> &Firsts) { |
202 | |
203 | // FIXME: We can skip entries that we know are implied by others. |
204 | for (const Decl *R = D->getMostRecentDecl(); R; R = R->getPreviousDecl()) { |
205 | if (R->isFromASTFile()) |
206 | Firsts[Writer.Chain->getOwningModuleFile(D: R)] = R; |
207 | else if (IncludeLocal) |
208 | Firsts[nullptr] = R; |
209 | } |
210 | } |
211 | |
212 | /// Add to the record the first declaration from each module file that |
213 | /// provides a declaration of D. The intent is to provide a sufficient |
214 | /// set such that reloading this set will load all current redeclarations. |
215 | void AddFirstDeclFromEachModule(const Decl *D, bool IncludeLocal) { |
216 | llvm::MapVector<ModuleFile *, const Decl *> Firsts; |
217 | CollectFirstDeclFromEachModule(D, IncludeLocal, Firsts); |
218 | |
219 | for (const auto &F : Firsts) |
220 | Record.AddDeclRef(D: F.second); |
221 | } |
222 | |
223 | template <typename T> bool shouldSkipWritingSpecializations(T *Spec) { |
224 | // Now we will only avoid writing specializations if we're generating |
225 | // reduced BMI. |
226 | if (!GeneratingReducedBMI) |
227 | return false; |
228 | |
229 | assert((isa<FunctionDecl, ClassTemplateSpecializationDecl, |
230 | VarTemplateSpecializationDecl>(Spec))); |
231 | |
232 | ArrayRef<TemplateArgument> Args; |
233 | if (auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(Spec)) |
234 | Args = CTSD->getTemplateArgs().asArray(); |
235 | else if (auto *VTSD = dyn_cast<VarTemplateSpecializationDecl>(Spec)) |
236 | Args = VTSD->getTemplateArgs().asArray(); |
237 | else |
238 | Args = cast<FunctionDecl>(Spec) |
239 | ->getTemplateSpecializationArgs() |
240 | ->asArray(); |
241 | |
242 | // If there is any template argument is TULocal, we can avoid writing the |
243 | // specialization since the consumers of reduced BMI won't get the |
244 | // specialization anyway. |
245 | for (const TemplateArgument &TA : Args) { |
246 | switch (TA.getKind()) { |
247 | case TemplateArgument::Type: { |
248 | Linkage L = TA.getAsType()->getLinkage(); |
249 | if (!isExternallyVisible(L)) |
250 | return true; |
251 | break; |
252 | } |
253 | case TemplateArgument::Declaration: |
254 | if (!TA.getAsDecl()->isExternallyVisible()) |
255 | return true; |
256 | break; |
257 | default: |
258 | break; |
259 | } |
260 | } |
261 | |
262 | return false; |
263 | } |
264 | |
265 | /// Add to the record the first template specialization from each module |
266 | /// file that provides a declaration of D. We store the DeclId and an |
267 | /// ODRHash of the template arguments of D which should provide enough |
268 | /// information to load D only if the template instantiator needs it. |
269 | void AddFirstSpecializationDeclFromEachModule( |
270 | const Decl *D, llvm::SmallVectorImpl<const Decl *> &SpecsInMap, |
271 | llvm::SmallVectorImpl<const Decl *> &PartialSpecsInMap) { |
272 | assert((isa<ClassTemplateSpecializationDecl>(D) || |
273 | isa<VarTemplateSpecializationDecl>(D) || isa<FunctionDecl>(D)) && |
274 | "Must not be called with other decls" ); |
275 | llvm::MapVector<ModuleFile *, const Decl *> Firsts; |
276 | CollectFirstDeclFromEachModule(D, /*IncludeLocal*/ true, Firsts); |
277 | |
278 | for (const auto &F : Firsts) { |
279 | if (shouldSkipWritingSpecializations(Spec: F.second)) |
280 | continue; |
281 | |
282 | if (isa<ClassTemplatePartialSpecializationDecl, |
283 | VarTemplatePartialSpecializationDecl>(Val: F.second)) |
284 | PartialSpecsInMap.push_back(Elt: F.second); |
285 | else |
286 | SpecsInMap.push_back(Elt: F.second); |
287 | } |
288 | } |
289 | |
290 | /// Get the specialization decl from an entry in the specialization list. |
291 | template <typename EntryType> |
292 | typename RedeclarableTemplateDecl::SpecEntryTraits<EntryType>::DeclType * |
293 | getSpecializationDecl(EntryType &T) { |
294 | return RedeclarableTemplateDecl::SpecEntryTraits<EntryType>::getDecl(&T); |
295 | } |
296 | |
297 | /// Get the list of partial specializations from a template's common ptr. |
298 | template<typename T> |
299 | decltype(T::PartialSpecializations) &getPartialSpecializations(T *Common) { |
300 | return Common->PartialSpecializations; |
301 | } |
302 | MutableArrayRef<FunctionTemplateSpecializationInfo> |
303 | getPartialSpecializations(FunctionTemplateDecl::Common *) { |
304 | return {}; |
305 | } |
306 | |
307 | template<typename DeclTy> |
308 | void AddTemplateSpecializations(DeclTy *D) { |
309 | auto *Common = D->getCommonPtr(); |
310 | |
311 | // If we have any lazy specializations, and the external AST source is |
312 | // our chained AST reader, we can just write out the DeclIDs. Otherwise, |
313 | // we need to resolve them to actual declarations. |
314 | if (Writer.Chain != Record.getASTContext().getExternalSource() && |
315 | Writer.Chain && Writer.Chain->haveUnloadedSpecializations(D)) { |
316 | D->LoadLazySpecializations(); |
317 | assert(!Writer.Chain->haveUnloadedSpecializations(D)); |
318 | } |
319 | |
320 | // AddFirstSpecializationDeclFromEachModule might trigger deserialization, |
321 | // invalidating *Specializations iterators. |
322 | llvm::SmallVector<const Decl *, 16> AllSpecs; |
323 | for (auto &Entry : Common->Specializations) |
324 | AllSpecs.push_back(Elt: getSpecializationDecl(Entry)); |
325 | for (auto &Entry : getPartialSpecializations(Common)) |
326 | AllSpecs.push_back(Elt: getSpecializationDecl(Entry)); |
327 | |
328 | llvm::SmallVector<const Decl *, 16> Specs; |
329 | llvm::SmallVector<const Decl *, 16> PartialSpecs; |
330 | for (auto *D : AllSpecs) { |
331 | assert(D->isCanonicalDecl() && "non-canonical decl in set" ); |
332 | AddFirstSpecializationDeclFromEachModule(D, SpecsInMap&: Specs, PartialSpecsInMap&: PartialSpecs); |
333 | } |
334 | |
335 | Record.AddOffset(BitOffset: Writer.WriteSpecializationInfoLookupTable( |
336 | D, Specializations&: Specs, /*IsPartial=*/false)); |
337 | |
338 | // Function Template Decl doesn't have partial decls. |
339 | if (isa<FunctionTemplateDecl>(D)) { |
340 | assert(PartialSpecs.empty()); |
341 | return; |
342 | } |
343 | |
344 | Record.AddOffset(BitOffset: Writer.WriteSpecializationInfoLookupTable( |
345 | D, Specializations&: PartialSpecs, /*IsPartial=*/true)); |
346 | } |
347 | |
348 | /// Ensure that this template specialization is associated with the specified |
349 | /// template on reload. |
350 | void RegisterTemplateSpecialization(const Decl *Template, |
351 | const Decl *Specialization) { |
352 | Template = Template->getCanonicalDecl(); |
353 | |
354 | // If the canonical template is local, we'll write out this specialization |
355 | // when we emit it. |
356 | // FIXME: We can do the same thing if there is any local declaration of |
357 | // the template, to avoid emitting an update record. |
358 | if (!Template->isFromASTFile()) |
359 | return; |
360 | |
361 | // We only need to associate the first local declaration of the |
362 | // specialization. The other declarations will get pulled in by it. |
363 | if (Writer.getFirstLocalDecl(D: Specialization) != Specialization) |
364 | return; |
365 | |
366 | if (isa<ClassTemplatePartialSpecializationDecl, |
367 | VarTemplatePartialSpecializationDecl>(Val: Specialization)) |
368 | Writer.PartialSpecializationsUpdates[cast<NamedDecl>(Val: Template)] |
369 | .push_back(Elt: cast<NamedDecl>(Val: Specialization)); |
370 | else |
371 | Writer.SpecializationsUpdates[cast<NamedDecl>(Val: Template)].push_back( |
372 | Elt: cast<NamedDecl>(Val: Specialization)); |
373 | } |
374 | }; |
375 | } |
376 | |
377 | // When building a C++20 module interface unit or a partition unit, a |
378 | // strong definition in the module interface is provided by the |
379 | // compilation of that unit, not by its users. (Inline variables are still |
380 | // emitted in module users.) |
381 | static bool shouldVarGenerateHereOnly(const VarDecl *VD) { |
382 | if (VD->getStorageDuration() != SD_Static) |
383 | return false; |
384 | |
385 | if (VD->getDescribedVarTemplate()) |
386 | return false; |
387 | |
388 | Module *M = VD->getOwningModule(); |
389 | if (!M) |
390 | return false; |
391 | |
392 | M = M->getTopLevelModule(); |
393 | ASTContext &Ctx = VD->getASTContext(); |
394 | if (!M->isInterfaceOrPartition() && |
395 | (!VD->hasAttr<DLLExportAttr>() || |
396 | !Ctx.getLangOpts().BuildingPCHWithObjectFile)) |
397 | return false; |
398 | |
399 | return Ctx.GetGVALinkageForVariable(VD) >= GVA_StrongExternal; |
400 | } |
401 | |
402 | static bool shouldFunctionGenerateHereOnly(const FunctionDecl *FD) { |
403 | if (FD->isDependentContext()) |
404 | return false; |
405 | |
406 | ASTContext &Ctx = FD->getASTContext(); |
407 | auto Linkage = Ctx.GetGVALinkageForFunction(FD); |
408 | if (Ctx.getLangOpts().ModulesCodegen || |
409 | (FD->hasAttr<DLLExportAttr>() && |
410 | Ctx.getLangOpts().BuildingPCHWithObjectFile)) |
411 | // Under -fmodules-codegen, codegen is performed for all non-internal, |
412 | // non-always_inline functions, unless they are available elsewhere. |
413 | if (!FD->hasAttr<AlwaysInlineAttr>() && Linkage != GVA_Internal && |
414 | Linkage != GVA_AvailableExternally) |
415 | return true; |
416 | |
417 | Module *M = FD->getOwningModule(); |
418 | if (!M) |
419 | return false; |
420 | |
421 | M = M->getTopLevelModule(); |
422 | if (M->isInterfaceOrPartition()) |
423 | if (Linkage >= GVA_StrongExternal) |
424 | return true; |
425 | |
426 | return false; |
427 | } |
428 | |
429 | bool clang::CanElideDeclDef(const Decl *D) { |
430 | if (auto *FD = dyn_cast<FunctionDecl>(Val: D)) { |
431 | if (FD->isInlined() || FD->isConstexpr() || FD->isConsteval()) |
432 | return false; |
433 | |
434 | // If the function should be generated somewhere else, we shouldn't elide |
435 | // it. |
436 | if (!shouldFunctionGenerateHereOnly(FD)) |
437 | return false; |
438 | } |
439 | |
440 | if (auto *VD = dyn_cast<VarDecl>(Val: D)) { |
441 | if (VD->getDeclContext()->isDependentContext()) |
442 | return false; |
443 | |
444 | // Constant initialized variable may not affect the ABI, but they |
445 | // may be used in constant evaluation in the frontend, so we have |
446 | // to remain them. |
447 | if (VD->hasConstantInitialization() || VD->isConstexpr()) |
448 | return false; |
449 | |
450 | // If the variable should be generated somewhere else, we shouldn't elide |
451 | // it. |
452 | if (!shouldVarGenerateHereOnly(VD)) |
453 | return false; |
454 | } |
455 | |
456 | return true; |
457 | } |
458 | |
459 | void ASTDeclWriter::Visit(Decl *D) { |
460 | DeclVisitor<ASTDeclWriter>::Visit(D); |
461 | |
462 | // Source locations require array (variable-length) abbreviations. The |
463 | // abbreviation infrastructure requires that arrays are encoded last, so |
464 | // we handle it here in the case of those classes derived from DeclaratorDecl |
465 | if (auto *DD = dyn_cast<DeclaratorDecl>(Val: D)) { |
466 | if (auto *TInfo = DD->getTypeSourceInfo()) |
467 | Record.AddTypeLoc(TL: TInfo->getTypeLoc()); |
468 | } |
469 | |
470 | // Handle FunctionDecl's body here and write it after all other Stmts/Exprs |
471 | // have been written. We want it last because we will not read it back when |
472 | // retrieving it from the AST, we'll just lazily set the offset. |
473 | if (auto *FD = dyn_cast<FunctionDecl>(Val: D)) { |
474 | if (!GeneratingReducedBMI || !CanElideDeclDef(D: FD)) { |
475 | Record.push_back(N: FD->doesThisDeclarationHaveABody()); |
476 | if (FD->doesThisDeclarationHaveABody()) |
477 | Record.AddFunctionDefinition(FD); |
478 | } else |
479 | Record.push_back(N: 0); |
480 | } |
481 | |
482 | // Similar to FunctionDecls, handle VarDecl's initializer here and write it |
483 | // after all other Stmts/Exprs. We will not read the initializer until after |
484 | // we have finished recursive deserialization, because it can recursively |
485 | // refer back to the variable. |
486 | if (auto *VD = dyn_cast<VarDecl>(Val: D)) { |
487 | if (!GeneratingReducedBMI || !CanElideDeclDef(D: VD)) |
488 | Record.AddVarDeclInit(VD); |
489 | else |
490 | Record.push_back(N: 0); |
491 | } |
492 | |
493 | // And similarly for FieldDecls. We already serialized whether there is a |
494 | // default member initializer. |
495 | if (auto *FD = dyn_cast<FieldDecl>(Val: D)) { |
496 | if (FD->hasInClassInitializer()) { |
497 | if (Expr *Init = FD->getInClassInitializer()) { |
498 | Record.push_back(N: 1); |
499 | Record.AddStmt(S: Init); |
500 | } else { |
501 | Record.push_back(N: 0); |
502 | // Initializer has not been instantiated yet. |
503 | } |
504 | } |
505 | } |
506 | |
507 | // If this declaration is also a DeclContext, write blocks for the |
508 | // declarations that lexically stored inside its context and those |
509 | // declarations that are visible from its context. |
510 | if (auto *DC = dyn_cast<DeclContext>(Val: D)) |
511 | VisitDeclContext(DC); |
512 | } |
513 | |
514 | void ASTDeclWriter::VisitDecl(Decl *D) { |
515 | BitsPacker DeclBits; |
516 | |
517 | // The order matters here. It will be better to put the bit with higher |
518 | // probability to be 0 in the end of the bits. |
519 | // |
520 | // Since we're using VBR6 format to store it. |
521 | // It will be pretty effient if all the higher bits are 0. |
522 | // For example, if we need to pack 8 bits into a value and the stored value |
523 | // is 0xf0, the actual stored value will be 0b000111'110000, which takes 12 |
524 | // bits actually. However, if we changed the order to be 0x0f, then we can |
525 | // store it as 0b001111, which takes 6 bits only now. |
526 | DeclBits.addBits(Value: (uint64_t)D->getModuleOwnershipKind(), /*BitWidth=*/BitsWidth: 3); |
527 | DeclBits.addBit(Value: D->isReferenced()); |
528 | DeclBits.addBit(Value: D->isUsed(CheckUsedAttr: false)); |
529 | DeclBits.addBits(Value: D->getAccess(), /*BitWidth=*/BitsWidth: 2); |
530 | DeclBits.addBit(Value: D->isImplicit()); |
531 | DeclBits.addBit(Value: D->getDeclContext() != D->getLexicalDeclContext()); |
532 | DeclBits.addBit(Value: D->hasAttrs()); |
533 | DeclBits.addBit(Value: D->isTopLevelDeclInObjCContainer()); |
534 | DeclBits.addBit(Value: D->isInvalidDecl()); |
535 | Record.push_back(N: DeclBits); |
536 | |
537 | Record.AddDeclRef(D: cast_or_null<Decl>(Val: D->getDeclContext())); |
538 | if (D->getDeclContext() != D->getLexicalDeclContext()) |
539 | Record.AddDeclRef(D: cast_or_null<Decl>(Val: D->getLexicalDeclContext())); |
540 | |
541 | if (D->hasAttrs()) |
542 | Record.AddAttributes(Attrs: D->getAttrs()); |
543 | |
544 | Record.push_back(N: Writer.getSubmoduleID(Mod: D->getOwningModule())); |
545 | |
546 | // If this declaration injected a name into a context different from its |
547 | // lexical context, and that context is an imported namespace, we need to |
548 | // update its visible declarations to include this name. |
549 | // |
550 | // This happens when we instantiate a class with a friend declaration or a |
551 | // function with a local extern declaration, for instance. |
552 | // |
553 | // FIXME: Can we handle this in AddedVisibleDecl instead? |
554 | if (D->isOutOfLine()) { |
555 | auto *DC = D->getDeclContext(); |
556 | while (auto *NS = dyn_cast<NamespaceDecl>(Val: DC->getRedeclContext())) { |
557 | if (!NS->isFromASTFile()) |
558 | break; |
559 | Writer.UpdatedDeclContexts.insert(X: NS->getPrimaryContext()); |
560 | if (!NS->isInlineNamespace()) |
561 | break; |
562 | DC = NS->getParent(); |
563 | } |
564 | } |
565 | } |
566 | |
567 | void ASTDeclWriter::(PragmaCommentDecl *D) { |
568 | StringRef Arg = D->getArg(); |
569 | Record.push_back(N: Arg.size()); |
570 | VisitDecl(D); |
571 | Record.AddSourceLocation(Loc: D->getBeginLoc()); |
572 | Record.push_back(N: D->getCommentKind()); |
573 | Record.AddString(Str: Arg); |
574 | Code = serialization::DECL_PRAGMA_COMMENT; |
575 | } |
576 | |
577 | void ASTDeclWriter::VisitPragmaDetectMismatchDecl( |
578 | PragmaDetectMismatchDecl *D) { |
579 | StringRef Name = D->getName(); |
580 | StringRef Value = D->getValue(); |
581 | Record.push_back(N: Name.size() + 1 + Value.size()); |
582 | VisitDecl(D); |
583 | Record.AddSourceLocation(Loc: D->getBeginLoc()); |
584 | Record.AddString(Str: Name); |
585 | Record.AddString(Str: Value); |
586 | Code = serialization::DECL_PRAGMA_DETECT_MISMATCH; |
587 | } |
588 | |
589 | void ASTDeclWriter::VisitTranslationUnitDecl(TranslationUnitDecl *D) { |
590 | llvm_unreachable("Translation units aren't directly serialized" ); |
591 | } |
592 | |
593 | void ASTDeclWriter::VisitNamedDecl(NamedDecl *D) { |
594 | VisitDecl(D); |
595 | Record.AddDeclarationName(Name: D->getDeclName()); |
596 | Record.push_back(N: needsAnonymousDeclarationNumber(D) |
597 | ? Writer.getAnonymousDeclarationNumber(D) |
598 | : 0); |
599 | } |
600 | |
601 | void ASTDeclWriter::VisitTypeDecl(TypeDecl *D) { |
602 | VisitNamedDecl(D); |
603 | Record.AddSourceLocation(Loc: D->getBeginLoc()); |
604 | Record.AddTypeRef(T: QualType(D->getTypeForDecl(), 0)); |
605 | } |
606 | |
607 | void ASTDeclWriter::VisitTypedefNameDecl(TypedefNameDecl *D) { |
608 | VisitRedeclarable(D); |
609 | VisitTypeDecl(D); |
610 | Record.AddTypeSourceInfo(TInfo: D->getTypeSourceInfo()); |
611 | Record.push_back(N: D->isModed()); |
612 | if (D->isModed()) |
613 | Record.AddTypeRef(T: D->getUnderlyingType()); |
614 | Record.AddDeclRef(D: D->getAnonDeclWithTypedefName(AnyRedecl: false)); |
615 | } |
616 | |
617 | void ASTDeclWriter::VisitTypedefDecl(TypedefDecl *D) { |
618 | VisitTypedefNameDecl(D); |
619 | if (D->getDeclContext() == D->getLexicalDeclContext() && |
620 | !D->hasAttrs() && |
621 | !D->isImplicit() && |
622 | D->getFirstDecl() == D->getMostRecentDecl() && |
623 | !D->isInvalidDecl() && |
624 | !D->isTopLevelDeclInObjCContainer() && |
625 | !D->isModulePrivate() && |
626 | !needsAnonymousDeclarationNumber(D) && |
627 | D->getDeclName().getNameKind() == DeclarationName::Identifier) |
628 | AbbrevToUse = Writer.getDeclTypedefAbbrev(); |
629 | |
630 | Code = serialization::DECL_TYPEDEF; |
631 | } |
632 | |
633 | void ASTDeclWriter::VisitTypeAliasDecl(TypeAliasDecl *D) { |
634 | VisitTypedefNameDecl(D); |
635 | Record.AddDeclRef(D: D->getDescribedAliasTemplate()); |
636 | Code = serialization::DECL_TYPEALIAS; |
637 | } |
638 | |
639 | void ASTDeclWriter::VisitTagDecl(TagDecl *D) { |
640 | static_assert(DeclContext::NumTagDeclBits == 23, |
641 | "You need to update the serializer after you change the " |
642 | "TagDeclBits" ); |
643 | |
644 | VisitRedeclarable(D); |
645 | VisitTypeDecl(D); |
646 | Record.push_back(N: D->getIdentifierNamespace()); |
647 | |
648 | BitsPacker TagDeclBits; |
649 | TagDeclBits.addBits(Value: llvm::to_underlying(E: D->getTagKind()), /*BitWidth=*/BitsWidth: 3); |
650 | TagDeclBits.addBit(Value: !isa<CXXRecordDecl>(Val: D) ? D->isCompleteDefinition() : 0); |
651 | TagDeclBits.addBit(Value: D->isEmbeddedInDeclarator()); |
652 | TagDeclBits.addBit(Value: D->isFreeStanding()); |
653 | TagDeclBits.addBit(Value: D->isCompleteDefinitionRequired()); |
654 | TagDeclBits.addBits( |
655 | Value: D->hasExtInfo() ? 1 : (D->getTypedefNameForAnonDecl() ? 2 : 0), |
656 | /*BitWidth=*/BitsWidth: 2); |
657 | Record.push_back(N: TagDeclBits); |
658 | |
659 | Record.AddSourceRange(Range: D->getBraceRange()); |
660 | |
661 | if (D->hasExtInfo()) { |
662 | Record.AddQualifierInfo(Info: *D->getExtInfo()); |
663 | } else if (auto *TD = D->getTypedefNameForAnonDecl()) { |
664 | Record.AddDeclRef(D: TD); |
665 | Record.AddIdentifierRef(II: TD->getDeclName().getAsIdentifierInfo()); |
666 | } |
667 | } |
668 | |
669 | void ASTDeclWriter::VisitEnumDecl(EnumDecl *D) { |
670 | static_assert(DeclContext::NumEnumDeclBits == 43, |
671 | "You need to update the serializer after you change the " |
672 | "EnumDeclBits" ); |
673 | |
674 | VisitTagDecl(D); |
675 | Record.AddTypeSourceInfo(TInfo: D->getIntegerTypeSourceInfo()); |
676 | if (!D->getIntegerTypeSourceInfo()) |
677 | Record.AddTypeRef(T: D->getIntegerType()); |
678 | Record.AddTypeRef(T: D->getPromotionType()); |
679 | |
680 | BitsPacker EnumDeclBits; |
681 | EnumDeclBits.addBits(Value: D->getNumPositiveBits(), /*BitWidth=*/BitsWidth: 8); |
682 | EnumDeclBits.addBits(Value: D->getNumNegativeBits(), /*BitWidth=*/BitsWidth: 8); |
683 | EnumDeclBits.addBit(Value: D->isScoped()); |
684 | EnumDeclBits.addBit(Value: D->isScopedUsingClassTag()); |
685 | EnumDeclBits.addBit(Value: D->isFixed()); |
686 | Record.push_back(N: EnumDeclBits); |
687 | |
688 | Record.push_back(N: D->getODRHash()); |
689 | |
690 | if (MemberSpecializationInfo *MemberInfo = D->getMemberSpecializationInfo()) { |
691 | Record.AddDeclRef(D: MemberInfo->getInstantiatedFrom()); |
692 | Record.push_back(N: MemberInfo->getTemplateSpecializationKind()); |
693 | Record.AddSourceLocation(Loc: MemberInfo->getPointOfInstantiation()); |
694 | } else { |
695 | Record.AddDeclRef(D: nullptr); |
696 | } |
697 | |
698 | if (D->getDeclContext() == D->getLexicalDeclContext() && !D->hasAttrs() && |
699 | !D->isInvalidDecl() && !D->isImplicit() && !D->hasExtInfo() && |
700 | !D->getTypedefNameForAnonDecl() && |
701 | D->getFirstDecl() == D->getMostRecentDecl() && |
702 | !D->isTopLevelDeclInObjCContainer() && |
703 | !CXXRecordDecl::classofKind(K: D->getKind()) && |
704 | !D->getIntegerTypeSourceInfo() && !D->getMemberSpecializationInfo() && |
705 | !needsAnonymousDeclarationNumber(D) && |
706 | D->getDeclName().getNameKind() == DeclarationName::Identifier) |
707 | AbbrevToUse = Writer.getDeclEnumAbbrev(); |
708 | |
709 | Code = serialization::DECL_ENUM; |
710 | } |
711 | |
712 | void ASTDeclWriter::VisitRecordDecl(RecordDecl *D) { |
713 | static_assert(DeclContext::NumRecordDeclBits == 64, |
714 | "You need to update the serializer after you change the " |
715 | "RecordDeclBits" ); |
716 | |
717 | VisitTagDecl(D); |
718 | |
719 | BitsPacker RecordDeclBits; |
720 | RecordDeclBits.addBit(Value: D->hasFlexibleArrayMember()); |
721 | RecordDeclBits.addBit(Value: D->isAnonymousStructOrUnion()); |
722 | RecordDeclBits.addBit(Value: D->hasObjectMember()); |
723 | RecordDeclBits.addBit(Value: D->hasVolatileMember()); |
724 | RecordDeclBits.addBit(Value: D->isNonTrivialToPrimitiveDefaultInitialize()); |
725 | RecordDeclBits.addBit(Value: D->isNonTrivialToPrimitiveCopy()); |
726 | RecordDeclBits.addBit(Value: D->isNonTrivialToPrimitiveDestroy()); |
727 | RecordDeclBits.addBit(Value: D->hasNonTrivialToPrimitiveDefaultInitializeCUnion()); |
728 | RecordDeclBits.addBit(Value: D->hasNonTrivialToPrimitiveDestructCUnion()); |
729 | RecordDeclBits.addBit(Value: D->hasNonTrivialToPrimitiveCopyCUnion()); |
730 | RecordDeclBits.addBit(Value: D->hasUninitializedExplicitInitFields()); |
731 | RecordDeclBits.addBit(Value: D->isParamDestroyedInCallee()); |
732 | RecordDeclBits.addBits(Value: llvm::to_underlying(E: D->getArgPassingRestrictions()), BitsWidth: 2); |
733 | Record.push_back(N: RecordDeclBits); |
734 | |
735 | // Only compute this for C/Objective-C, in C++ this is computed as part |
736 | // of CXXRecordDecl. |
737 | if (!isa<CXXRecordDecl>(Val: D)) |
738 | Record.push_back(N: D->getODRHash()); |
739 | |
740 | if (D->getDeclContext() == D->getLexicalDeclContext() && !D->hasAttrs() && |
741 | !D->isImplicit() && !D->isInvalidDecl() && !D->hasExtInfo() && |
742 | !D->getTypedefNameForAnonDecl() && |
743 | D->getFirstDecl() == D->getMostRecentDecl() && |
744 | !D->isTopLevelDeclInObjCContainer() && |
745 | !CXXRecordDecl::classofKind(K: D->getKind()) && |
746 | !needsAnonymousDeclarationNumber(D) && |
747 | D->getDeclName().getNameKind() == DeclarationName::Identifier) |
748 | AbbrevToUse = Writer.getDeclRecordAbbrev(); |
749 | |
750 | Code = serialization::DECL_RECORD; |
751 | } |
752 | |
753 | void ASTDeclWriter::VisitValueDecl(ValueDecl *D) { |
754 | VisitNamedDecl(D); |
755 | Record.AddTypeRef(T: D->getType()); |
756 | } |
757 | |
758 | void ASTDeclWriter::VisitEnumConstantDecl(EnumConstantDecl *D) { |
759 | VisitValueDecl(D); |
760 | Record.push_back(N: D->getInitExpr()? 1 : 0); |
761 | if (D->getInitExpr()) |
762 | Record.AddStmt(S: D->getInitExpr()); |
763 | Record.AddAPSInt(Value: D->getInitVal()); |
764 | |
765 | Code = serialization::DECL_ENUM_CONSTANT; |
766 | } |
767 | |
768 | void ASTDeclWriter::VisitDeclaratorDecl(DeclaratorDecl *D) { |
769 | VisitValueDecl(D); |
770 | Record.AddSourceLocation(Loc: D->getInnerLocStart()); |
771 | Record.push_back(N: D->hasExtInfo()); |
772 | if (D->hasExtInfo()) { |
773 | DeclaratorDecl::ExtInfo *Info = D->getExtInfo(); |
774 | Record.AddQualifierInfo(Info: *Info); |
775 | Record.AddStmt( |
776 | S: const_cast<Expr *>(Info->TrailingRequiresClause.ConstraintExpr)); |
777 | Record.writeUnsignedOrNone(Value: Info->TrailingRequiresClause.ArgPackSubstIndex); |
778 | } |
779 | // The location information is deferred until the end of the record. |
780 | Record.AddTypeRef(T: D->getTypeSourceInfo() ? D->getTypeSourceInfo()->getType() |
781 | : QualType()); |
782 | } |
783 | |
784 | void ASTDeclWriter::VisitFunctionDecl(FunctionDecl *D) { |
785 | static_assert(DeclContext::NumFunctionDeclBits == 45, |
786 | "You need to update the serializer after you change the " |
787 | "FunctionDeclBits" ); |
788 | |
789 | VisitRedeclarable(D); |
790 | |
791 | Record.push_back(N: D->getTemplatedKind()); |
792 | switch (D->getTemplatedKind()) { |
793 | case FunctionDecl::TK_NonTemplate: |
794 | break; |
795 | case FunctionDecl::TK_DependentNonTemplate: |
796 | Record.AddDeclRef(D: D->getInstantiatedFromDecl()); |
797 | break; |
798 | case FunctionDecl::TK_FunctionTemplate: |
799 | Record.AddDeclRef(D: D->getDescribedFunctionTemplate()); |
800 | break; |
801 | case FunctionDecl::TK_MemberSpecialization: { |
802 | MemberSpecializationInfo *MemberInfo = D->getMemberSpecializationInfo(); |
803 | Record.AddDeclRef(D: MemberInfo->getInstantiatedFrom()); |
804 | Record.push_back(N: MemberInfo->getTemplateSpecializationKind()); |
805 | Record.AddSourceLocation(Loc: MemberInfo->getPointOfInstantiation()); |
806 | break; |
807 | } |
808 | case FunctionDecl::TK_FunctionTemplateSpecialization: { |
809 | FunctionTemplateSpecializationInfo * |
810 | FTSInfo = D->getTemplateSpecializationInfo(); |
811 | |
812 | RegisterTemplateSpecialization(Template: FTSInfo->getTemplate(), Specialization: D); |
813 | |
814 | Record.AddDeclRef(D: FTSInfo->getTemplate()); |
815 | Record.push_back(N: FTSInfo->getTemplateSpecializationKind()); |
816 | |
817 | // Template arguments. |
818 | Record.AddTemplateArgumentList(TemplateArgs: FTSInfo->TemplateArguments); |
819 | |
820 | // Template args as written. |
821 | Record.push_back(N: FTSInfo->TemplateArgumentsAsWritten != nullptr); |
822 | if (FTSInfo->TemplateArgumentsAsWritten) |
823 | Record.AddASTTemplateArgumentListInfo( |
824 | ASTTemplArgList: FTSInfo->TemplateArgumentsAsWritten); |
825 | |
826 | Record.AddSourceLocation(Loc: FTSInfo->getPointOfInstantiation()); |
827 | |
828 | if (MemberSpecializationInfo *MemberInfo = |
829 | FTSInfo->getMemberSpecializationInfo()) { |
830 | Record.push_back(N: 1); |
831 | Record.AddDeclRef(D: MemberInfo->getInstantiatedFrom()); |
832 | Record.push_back(N: MemberInfo->getTemplateSpecializationKind()); |
833 | Record.AddSourceLocation(Loc: MemberInfo->getPointOfInstantiation()); |
834 | } else { |
835 | Record.push_back(N: 0); |
836 | } |
837 | |
838 | if (D->isCanonicalDecl()) { |
839 | // Write the template that contains the specializations set. We will |
840 | // add a FunctionTemplateSpecializationInfo to it when reading. |
841 | Record.AddDeclRef(D: FTSInfo->getTemplate()->getCanonicalDecl()); |
842 | } |
843 | break; |
844 | } |
845 | case FunctionDecl::TK_DependentFunctionTemplateSpecialization: { |
846 | DependentFunctionTemplateSpecializationInfo * |
847 | DFTSInfo = D->getDependentSpecializationInfo(); |
848 | |
849 | // Candidates. |
850 | Record.push_back(N: DFTSInfo->getCandidates().size()); |
851 | for (FunctionTemplateDecl *FTD : DFTSInfo->getCandidates()) |
852 | Record.AddDeclRef(D: FTD); |
853 | |
854 | // Templates args. |
855 | Record.push_back(N: DFTSInfo->TemplateArgumentsAsWritten != nullptr); |
856 | if (DFTSInfo->TemplateArgumentsAsWritten) |
857 | Record.AddASTTemplateArgumentListInfo( |
858 | ASTTemplArgList: DFTSInfo->TemplateArgumentsAsWritten); |
859 | break; |
860 | } |
861 | } |
862 | |
863 | VisitDeclaratorDecl(D); |
864 | Record.AddDeclarationNameLoc(DNLoc: D->DNLoc, Name: D->getDeclName()); |
865 | Record.push_back(N: D->getIdentifierNamespace()); |
866 | |
867 | // The order matters here. It will be better to put the bit with higher |
868 | // probability to be 0 in the end of the bits. See the comments in VisitDecl |
869 | // for details. |
870 | BitsPacker FunctionDeclBits; |
871 | // FIXME: stable encoding |
872 | FunctionDeclBits.addBits(Value: llvm::to_underlying(E: D->getLinkageInternal()), BitsWidth: 3); |
873 | FunctionDeclBits.addBits(Value: (uint32_t)D->getStorageClass(), /*BitWidth=*/BitsWidth: 3); |
874 | FunctionDeclBits.addBit(Value: D->isInlineSpecified()); |
875 | FunctionDeclBits.addBit(Value: D->isInlined()); |
876 | FunctionDeclBits.addBit(Value: D->hasSkippedBody()); |
877 | FunctionDeclBits.addBit(Value: D->isVirtualAsWritten()); |
878 | FunctionDeclBits.addBit(Value: D->isPureVirtual()); |
879 | FunctionDeclBits.addBit(Value: D->hasInheritedPrototype()); |
880 | FunctionDeclBits.addBit(Value: D->hasWrittenPrototype()); |
881 | FunctionDeclBits.addBit(Value: D->isDeletedBit()); |
882 | FunctionDeclBits.addBit(Value: D->isTrivial()); |
883 | FunctionDeclBits.addBit(Value: D->isTrivialForCall()); |
884 | FunctionDeclBits.addBit(Value: D->isDefaulted()); |
885 | FunctionDeclBits.addBit(Value: D->isExplicitlyDefaulted()); |
886 | FunctionDeclBits.addBit(Value: D->isIneligibleOrNotSelected()); |
887 | FunctionDeclBits.addBits(Value: (uint64_t)(D->getConstexprKind()), /*BitWidth=*/BitsWidth: 2); |
888 | FunctionDeclBits.addBit(Value: D->hasImplicitReturnZero()); |
889 | FunctionDeclBits.addBit(Value: D->isMultiVersion()); |
890 | FunctionDeclBits.addBit(Value: D->isLateTemplateParsed()); |
891 | FunctionDeclBits.addBit(Value: D->isInstantiatedFromMemberTemplate()); |
892 | FunctionDeclBits.addBit(Value: D->FriendConstraintRefersToEnclosingTemplate()); |
893 | FunctionDeclBits.addBit(Value: D->usesSEHTry()); |
894 | FunctionDeclBits.addBit(Value: D->isDestroyingOperatorDelete()); |
895 | FunctionDeclBits.addBit(Value: D->isTypeAwareOperatorNewOrDelete()); |
896 | Record.push_back(N: FunctionDeclBits); |
897 | |
898 | Record.AddSourceLocation(Loc: D->getEndLoc()); |
899 | if (D->isExplicitlyDefaulted()) |
900 | Record.AddSourceLocation(Loc: D->getDefaultLoc()); |
901 | |
902 | Record.push_back(N: D->getODRHash()); |
903 | |
904 | if (D->isDefaulted() || D->isDeletedAsWritten()) { |
905 | if (auto *FDI = D->getDefalutedOrDeletedInfo()) { |
906 | // Store both that there is an DefaultedOrDeletedInfo and whether it |
907 | // contains a DeletedMessage. |
908 | StringLiteral *DeletedMessage = FDI->getDeletedMessage(); |
909 | Record.push_back(N: 1 | (DeletedMessage ? 2 : 0)); |
910 | if (DeletedMessage) |
911 | Record.AddStmt(S: DeletedMessage); |
912 | |
913 | Record.push_back(N: FDI->getUnqualifiedLookups().size()); |
914 | for (DeclAccessPair P : FDI->getUnqualifiedLookups()) { |
915 | Record.AddDeclRef(D: P.getDecl()); |
916 | Record.push_back(N: P.getAccess()); |
917 | } |
918 | } else { |
919 | Record.push_back(N: 0); |
920 | } |
921 | } |
922 | |
923 | if (D->getFriendObjectKind()) { |
924 | // For a friend function defined inline within a class template, we have to |
925 | // force the definition to be the one inside the definition of the template |
926 | // class. Remember this relation to deserialize them together. |
927 | if (auto *RD = dyn_cast<CXXRecordDecl>(Val: D->getLexicalParent()); |
928 | RD && isDefinitionInDependentContext(D: RD)) { |
929 | Writer.RelatedDeclsMap[Writer.GetDeclRef(D: RD)].push_back( |
930 | Elt: Writer.GetDeclRef(D)); |
931 | } |
932 | } |
933 | |
934 | Record.push_back(N: D->param_size()); |
935 | for (auto *P : D->parameters()) |
936 | Record.AddDeclRef(D: P); |
937 | Code = serialization::DECL_FUNCTION; |
938 | } |
939 | |
940 | static void addExplicitSpecifier(ExplicitSpecifier ES, |
941 | ASTRecordWriter &Record) { |
942 | uint64_t Kind = static_cast<uint64_t>(ES.getKind()); |
943 | Kind = Kind << 1 | static_cast<bool>(ES.getExpr()); |
944 | Record.push_back(N: Kind); |
945 | if (ES.getExpr()) { |
946 | Record.AddStmt(S: ES.getExpr()); |
947 | } |
948 | } |
949 | |
950 | void ASTDeclWriter::VisitCXXDeductionGuideDecl(CXXDeductionGuideDecl *D) { |
951 | addExplicitSpecifier(ES: D->getExplicitSpecifier(), Record); |
952 | Record.AddDeclRef(D: D->Ctor); |
953 | VisitFunctionDecl(D); |
954 | Record.push_back(N: static_cast<unsigned char>(D->getDeductionCandidateKind())); |
955 | Record.AddDeclRef(D: D->getSourceDeductionGuide()); |
956 | Record.push_back( |
957 | N: static_cast<unsigned char>(D->getSourceDeductionGuideKind())); |
958 | Code = serialization::DECL_CXX_DEDUCTION_GUIDE; |
959 | } |
960 | |
961 | void ASTDeclWriter::VisitObjCMethodDecl(ObjCMethodDecl *D) { |
962 | static_assert(DeclContext::NumObjCMethodDeclBits == 37, |
963 | "You need to update the serializer after you change the " |
964 | "ObjCMethodDeclBits" ); |
965 | |
966 | VisitNamedDecl(D); |
967 | // FIXME: convert to LazyStmtPtr? |
968 | // Unlike C/C++, method bodies will never be in header files. |
969 | bool HasBodyStuff = D->getBody() != nullptr; |
970 | Record.push_back(N: HasBodyStuff); |
971 | if (HasBodyStuff) { |
972 | Record.AddStmt(S: D->getBody()); |
973 | } |
974 | Record.AddDeclRef(D: D->getSelfDecl()); |
975 | Record.AddDeclRef(D: D->getCmdDecl()); |
976 | Record.push_back(N: D->isInstanceMethod()); |
977 | Record.push_back(N: D->isVariadic()); |
978 | Record.push_back(N: D->isPropertyAccessor()); |
979 | Record.push_back(N: D->isSynthesizedAccessorStub()); |
980 | Record.push_back(N: D->isDefined()); |
981 | Record.push_back(N: D->isOverriding()); |
982 | Record.push_back(N: D->hasSkippedBody()); |
983 | |
984 | Record.push_back(N: D->isRedeclaration()); |
985 | Record.push_back(N: D->hasRedeclaration()); |
986 | if (D->hasRedeclaration()) { |
987 | assert(Record.getASTContext().getObjCMethodRedeclaration(D)); |
988 | Record.AddDeclRef(D: Record.getASTContext().getObjCMethodRedeclaration(MD: D)); |
989 | } |
990 | |
991 | // FIXME: stable encoding for @required/@optional |
992 | Record.push_back(N: llvm::to_underlying(E: D->getImplementationControl())); |
993 | // FIXME: stable encoding for in/out/inout/bycopy/byref/oneway/nullability |
994 | Record.push_back(N: D->getObjCDeclQualifier()); |
995 | Record.push_back(N: D->hasRelatedResultType()); |
996 | Record.AddTypeRef(T: D->getReturnType()); |
997 | Record.AddTypeSourceInfo(TInfo: D->getReturnTypeSourceInfo()); |
998 | Record.AddSourceLocation(Loc: D->getEndLoc()); |
999 | Record.push_back(N: D->param_size()); |
1000 | for (const auto *P : D->parameters()) |
1001 | Record.AddDeclRef(D: P); |
1002 | |
1003 | Record.push_back(N: D->getSelLocsKind()); |
1004 | unsigned NumStoredSelLocs = D->getNumStoredSelLocs(); |
1005 | SourceLocation *SelLocs = D->getStoredSelLocs(); |
1006 | Record.push_back(N: NumStoredSelLocs); |
1007 | for (unsigned i = 0; i != NumStoredSelLocs; ++i) |
1008 | Record.AddSourceLocation(Loc: SelLocs[i]); |
1009 | |
1010 | Code = serialization::DECL_OBJC_METHOD; |
1011 | } |
1012 | |
1013 | void ASTDeclWriter::VisitObjCTypeParamDecl(ObjCTypeParamDecl *D) { |
1014 | VisitTypedefNameDecl(D); |
1015 | Record.push_back(N: D->Variance); |
1016 | Record.push_back(N: D->Index); |
1017 | Record.AddSourceLocation(Loc: D->VarianceLoc); |
1018 | Record.AddSourceLocation(Loc: D->ColonLoc); |
1019 | |
1020 | Code = serialization::DECL_OBJC_TYPE_PARAM; |
1021 | } |
1022 | |
1023 | void ASTDeclWriter::VisitObjCContainerDecl(ObjCContainerDecl *D) { |
1024 | static_assert(DeclContext::NumObjCContainerDeclBits == 64, |
1025 | "You need to update the serializer after you change the " |
1026 | "ObjCContainerDeclBits" ); |
1027 | |
1028 | VisitNamedDecl(D); |
1029 | Record.AddSourceLocation(Loc: D->getAtStartLoc()); |
1030 | Record.AddSourceRange(Range: D->getAtEndRange()); |
1031 | // Abstract class (no need to define a stable serialization::DECL code). |
1032 | } |
1033 | |
1034 | void ASTDeclWriter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) { |
1035 | VisitRedeclarable(D); |
1036 | VisitObjCContainerDecl(D); |
1037 | Record.AddTypeRef(T: QualType(D->getTypeForDecl(), 0)); |
1038 | AddObjCTypeParamList(typeParams: D->TypeParamList); |
1039 | |
1040 | Record.push_back(N: D->isThisDeclarationADefinition()); |
1041 | if (D->isThisDeclarationADefinition()) { |
1042 | // Write the DefinitionData |
1043 | ObjCInterfaceDecl::DefinitionData &Data = D->data(); |
1044 | |
1045 | Record.AddTypeSourceInfo(TInfo: D->getSuperClassTInfo()); |
1046 | Record.AddSourceLocation(Loc: D->getEndOfDefinitionLoc()); |
1047 | Record.push_back(N: Data.HasDesignatedInitializers); |
1048 | Record.push_back(N: D->getODRHash()); |
1049 | |
1050 | // Write out the protocols that are directly referenced by the @interface. |
1051 | Record.push_back(N: Data.ReferencedProtocols.size()); |
1052 | for (const auto *P : D->protocols()) |
1053 | Record.AddDeclRef(D: P); |
1054 | for (const auto &PL : D->protocol_locs()) |
1055 | Record.AddSourceLocation(Loc: PL); |
1056 | |
1057 | // Write out the protocols that are transitively referenced. |
1058 | Record.push_back(N: Data.AllReferencedProtocols.size()); |
1059 | for (ObjCList<ObjCProtocolDecl>::iterator |
1060 | P = Data.AllReferencedProtocols.begin(), |
1061 | PEnd = Data.AllReferencedProtocols.end(); |
1062 | P != PEnd; ++P) |
1063 | Record.AddDeclRef(D: *P); |
1064 | |
1065 | |
1066 | if (ObjCCategoryDecl *Cat = D->getCategoryListRaw()) { |
1067 | // Ensure that we write out the set of categories for this class. |
1068 | Writer.ObjCClassesWithCategories.insert(X: D); |
1069 | |
1070 | // Make sure that the categories get serialized. |
1071 | for (; Cat; Cat = Cat->getNextClassCategoryRaw()) |
1072 | (void)Writer.GetDeclRef(D: Cat); |
1073 | } |
1074 | } |
1075 | |
1076 | Code = serialization::DECL_OBJC_INTERFACE; |
1077 | } |
1078 | |
1079 | void ASTDeclWriter::VisitObjCIvarDecl(ObjCIvarDecl *D) { |
1080 | VisitFieldDecl(D); |
1081 | // FIXME: stable encoding for @public/@private/@protected/@package |
1082 | Record.push_back(N: D->getAccessControl()); |
1083 | Record.push_back(N: D->getSynthesize()); |
1084 | |
1085 | if (D->getDeclContext() == D->getLexicalDeclContext() && |
1086 | !D->hasAttrs() && |
1087 | !D->isImplicit() && |
1088 | !D->isUsed(CheckUsedAttr: false) && |
1089 | !D->isInvalidDecl() && |
1090 | !D->isReferenced() && |
1091 | !D->isModulePrivate() && |
1092 | !D->getBitWidth() && |
1093 | !D->hasExtInfo() && |
1094 | D->getDeclName()) |
1095 | AbbrevToUse = Writer.getDeclObjCIvarAbbrev(); |
1096 | |
1097 | Code = serialization::DECL_OBJC_IVAR; |
1098 | } |
1099 | |
1100 | void ASTDeclWriter::VisitObjCProtocolDecl(ObjCProtocolDecl *D) { |
1101 | VisitRedeclarable(D); |
1102 | VisitObjCContainerDecl(D); |
1103 | |
1104 | Record.push_back(N: D->isThisDeclarationADefinition()); |
1105 | if (D->isThisDeclarationADefinition()) { |
1106 | Record.push_back(N: D->protocol_size()); |
1107 | for (const auto *I : D->protocols()) |
1108 | Record.AddDeclRef(D: I); |
1109 | for (const auto &PL : D->protocol_locs()) |
1110 | Record.AddSourceLocation(Loc: PL); |
1111 | Record.push_back(N: D->getODRHash()); |
1112 | } |
1113 | |
1114 | Code = serialization::DECL_OBJC_PROTOCOL; |
1115 | } |
1116 | |
1117 | void ASTDeclWriter::VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D) { |
1118 | VisitFieldDecl(D); |
1119 | Code = serialization::DECL_OBJC_AT_DEFS_FIELD; |
1120 | } |
1121 | |
1122 | void ASTDeclWriter::VisitObjCCategoryDecl(ObjCCategoryDecl *D) { |
1123 | VisitObjCContainerDecl(D); |
1124 | Record.AddSourceLocation(Loc: D->getCategoryNameLoc()); |
1125 | Record.AddSourceLocation(Loc: D->getIvarLBraceLoc()); |
1126 | Record.AddSourceLocation(Loc: D->getIvarRBraceLoc()); |
1127 | Record.AddDeclRef(D: D->getClassInterface()); |
1128 | AddObjCTypeParamList(typeParams: D->TypeParamList); |
1129 | Record.push_back(N: D->protocol_size()); |
1130 | for (const auto *I : D->protocols()) |
1131 | Record.AddDeclRef(D: I); |
1132 | for (const auto &PL : D->protocol_locs()) |
1133 | Record.AddSourceLocation(Loc: PL); |
1134 | Code = serialization::DECL_OBJC_CATEGORY; |
1135 | } |
1136 | |
1137 | void ASTDeclWriter::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D) { |
1138 | VisitNamedDecl(D); |
1139 | Record.AddDeclRef(D: D->getClassInterface()); |
1140 | Code = serialization::DECL_OBJC_COMPATIBLE_ALIAS; |
1141 | } |
1142 | |
1143 | void ASTDeclWriter::VisitObjCPropertyDecl(ObjCPropertyDecl *D) { |
1144 | VisitNamedDecl(D); |
1145 | Record.AddSourceLocation(Loc: D->getAtLoc()); |
1146 | Record.AddSourceLocation(Loc: D->getLParenLoc()); |
1147 | Record.AddTypeRef(T: D->getType()); |
1148 | Record.AddTypeSourceInfo(TInfo: D->getTypeSourceInfo()); |
1149 | // FIXME: stable encoding |
1150 | Record.push_back(N: (unsigned)D->getPropertyAttributes()); |
1151 | Record.push_back(N: (unsigned)D->getPropertyAttributesAsWritten()); |
1152 | // FIXME: stable encoding |
1153 | Record.push_back(N: (unsigned)D->getPropertyImplementation()); |
1154 | Record.AddDeclarationName(Name: D->getGetterName()); |
1155 | Record.AddSourceLocation(Loc: D->getGetterNameLoc()); |
1156 | Record.AddDeclarationName(Name: D->getSetterName()); |
1157 | Record.AddSourceLocation(Loc: D->getSetterNameLoc()); |
1158 | Record.AddDeclRef(D: D->getGetterMethodDecl()); |
1159 | Record.AddDeclRef(D: D->getSetterMethodDecl()); |
1160 | Record.AddDeclRef(D: D->getPropertyIvarDecl()); |
1161 | Code = serialization::DECL_OBJC_PROPERTY; |
1162 | } |
1163 | |
1164 | void ASTDeclWriter::VisitObjCImplDecl(ObjCImplDecl *D) { |
1165 | VisitObjCContainerDecl(D); |
1166 | Record.AddDeclRef(D: D->getClassInterface()); |
1167 | // Abstract class (no need to define a stable serialization::DECL code). |
1168 | } |
1169 | |
1170 | void ASTDeclWriter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) { |
1171 | VisitObjCImplDecl(D); |
1172 | Record.AddSourceLocation(Loc: D->getCategoryNameLoc()); |
1173 | Code = serialization::DECL_OBJC_CATEGORY_IMPL; |
1174 | } |
1175 | |
1176 | void ASTDeclWriter::VisitObjCImplementationDecl(ObjCImplementationDecl *D) { |
1177 | VisitObjCImplDecl(D); |
1178 | Record.AddDeclRef(D: D->getSuperClass()); |
1179 | Record.AddSourceLocation(Loc: D->getSuperClassLoc()); |
1180 | Record.AddSourceLocation(Loc: D->getIvarLBraceLoc()); |
1181 | Record.AddSourceLocation(Loc: D->getIvarRBraceLoc()); |
1182 | Record.push_back(N: D->hasNonZeroConstructors()); |
1183 | Record.push_back(N: D->hasDestructors()); |
1184 | Record.push_back(N: D->NumIvarInitializers); |
1185 | if (D->NumIvarInitializers) |
1186 | Record.AddCXXCtorInitializers( |
1187 | CtorInits: llvm::ArrayRef(D->init_begin(), D->init_end())); |
1188 | Code = serialization::DECL_OBJC_IMPLEMENTATION; |
1189 | } |
1190 | |
1191 | void ASTDeclWriter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) { |
1192 | VisitDecl(D); |
1193 | Record.AddSourceLocation(Loc: D->getBeginLoc()); |
1194 | Record.AddDeclRef(D: D->getPropertyDecl()); |
1195 | Record.AddDeclRef(D: D->getPropertyIvarDecl()); |
1196 | Record.AddSourceLocation(Loc: D->getPropertyIvarDeclLoc()); |
1197 | Record.AddDeclRef(D: D->getGetterMethodDecl()); |
1198 | Record.AddDeclRef(D: D->getSetterMethodDecl()); |
1199 | Record.AddStmt(S: D->getGetterCXXConstructor()); |
1200 | Record.AddStmt(S: D->getSetterCXXAssignment()); |
1201 | Code = serialization::DECL_OBJC_PROPERTY_IMPL; |
1202 | } |
1203 | |
1204 | void ASTDeclWriter::VisitFieldDecl(FieldDecl *D) { |
1205 | VisitDeclaratorDecl(D); |
1206 | Record.push_back(N: D->isMutable()); |
1207 | |
1208 | Record.push_back(N: (D->StorageKind << 1) | D->BitField); |
1209 | if (D->StorageKind == FieldDecl::ISK_CapturedVLAType) |
1210 | Record.AddTypeRef(T: QualType(D->getCapturedVLAType(), 0)); |
1211 | else if (D->BitField) |
1212 | Record.AddStmt(S: D->getBitWidth()); |
1213 | |
1214 | if (!D->getDeclName() || D->isPlaceholderVar(LangOpts: Writer.getLangOpts())) |
1215 | Record.AddDeclRef( |
1216 | D: Record.getASTContext().getInstantiatedFromUnnamedFieldDecl(Field: D)); |
1217 | |
1218 | if (D->getDeclContext() == D->getLexicalDeclContext() && |
1219 | !D->hasAttrs() && |
1220 | !D->isImplicit() && |
1221 | !D->isUsed(CheckUsedAttr: false) && |
1222 | !D->isInvalidDecl() && |
1223 | !D->isReferenced() && |
1224 | !D->isTopLevelDeclInObjCContainer() && |
1225 | !D->isModulePrivate() && |
1226 | !D->getBitWidth() && |
1227 | !D->hasInClassInitializer() && |
1228 | !D->hasCapturedVLAType() && |
1229 | !D->hasExtInfo() && |
1230 | !ObjCIvarDecl::classofKind(K: D->getKind()) && |
1231 | !ObjCAtDefsFieldDecl::classofKind(K: D->getKind()) && |
1232 | D->getDeclName()) |
1233 | AbbrevToUse = Writer.getDeclFieldAbbrev(); |
1234 | |
1235 | Code = serialization::DECL_FIELD; |
1236 | } |
1237 | |
1238 | void ASTDeclWriter::VisitMSPropertyDecl(MSPropertyDecl *D) { |
1239 | VisitDeclaratorDecl(D); |
1240 | Record.AddIdentifierRef(II: D->getGetterId()); |
1241 | Record.AddIdentifierRef(II: D->getSetterId()); |
1242 | Code = serialization::DECL_MS_PROPERTY; |
1243 | } |
1244 | |
1245 | void ASTDeclWriter::VisitMSGuidDecl(MSGuidDecl *D) { |
1246 | VisitValueDecl(D); |
1247 | MSGuidDecl::Parts Parts = D->getParts(); |
1248 | Record.push_back(N: Parts.Part1); |
1249 | Record.push_back(N: Parts.Part2); |
1250 | Record.push_back(N: Parts.Part3); |
1251 | Record.append(begin: std::begin(arr&: Parts.Part4And5), end: std::end(arr&: Parts.Part4And5)); |
1252 | Code = serialization::DECL_MS_GUID; |
1253 | } |
1254 | |
1255 | void ASTDeclWriter::VisitUnnamedGlobalConstantDecl( |
1256 | UnnamedGlobalConstantDecl *D) { |
1257 | VisitValueDecl(D); |
1258 | Record.AddAPValue(Value: D->getValue()); |
1259 | Code = serialization::DECL_UNNAMED_GLOBAL_CONSTANT; |
1260 | } |
1261 | |
1262 | void ASTDeclWriter::VisitTemplateParamObjectDecl(TemplateParamObjectDecl *D) { |
1263 | VisitValueDecl(D); |
1264 | Record.AddAPValue(Value: D->getValue()); |
1265 | Code = serialization::DECL_TEMPLATE_PARAM_OBJECT; |
1266 | } |
1267 | |
1268 | void ASTDeclWriter::VisitIndirectFieldDecl(IndirectFieldDecl *D) { |
1269 | VisitValueDecl(D); |
1270 | Record.push_back(N: D->getChainingSize()); |
1271 | |
1272 | for (const auto *P : D->chain()) |
1273 | Record.AddDeclRef(D: P); |
1274 | Code = serialization::DECL_INDIRECTFIELD; |
1275 | } |
1276 | |
1277 | void ASTDeclWriter::VisitVarDecl(VarDecl *D) { |
1278 | VisitRedeclarable(D); |
1279 | VisitDeclaratorDecl(D); |
1280 | |
1281 | // The order matters here. It will be better to put the bit with higher |
1282 | // probability to be 0 in the end of the bits. See the comments in VisitDecl |
1283 | // for details. |
1284 | BitsPacker VarDeclBits; |
1285 | VarDeclBits.addBits(Value: llvm::to_underlying(E: D->getLinkageInternal()), |
1286 | /*BitWidth=*/BitsWidth: 3); |
1287 | |
1288 | bool ModulesCodegen = shouldVarGenerateHereOnly(VD: D); |
1289 | VarDeclBits.addBit(Value: ModulesCodegen); |
1290 | |
1291 | VarDeclBits.addBits(Value: D->getStorageClass(), /*BitWidth=*/BitsWidth: 3); |
1292 | VarDeclBits.addBits(Value: D->getTSCSpec(), /*BitWidth=*/BitsWidth: 2); |
1293 | VarDeclBits.addBits(Value: D->getInitStyle(), /*BitWidth=*/BitsWidth: 2); |
1294 | VarDeclBits.addBit(Value: D->isARCPseudoStrong()); |
1295 | |
1296 | bool HasDeducedType = false; |
1297 | if (!isa<ParmVarDecl>(Val: D)) { |
1298 | VarDeclBits.addBit(Value: D->isThisDeclarationADemotedDefinition()); |
1299 | VarDeclBits.addBit(Value: D->isExceptionVariable()); |
1300 | VarDeclBits.addBit(Value: D->isNRVOVariable()); |
1301 | VarDeclBits.addBit(Value: D->isCXXForRangeDecl()); |
1302 | |
1303 | VarDeclBits.addBit(Value: D->isInline()); |
1304 | VarDeclBits.addBit(Value: D->isInlineSpecified()); |
1305 | VarDeclBits.addBit(Value: D->isConstexpr()); |
1306 | VarDeclBits.addBit(Value: D->isInitCapture()); |
1307 | VarDeclBits.addBit(Value: D->isPreviousDeclInSameBlockScope()); |
1308 | |
1309 | VarDeclBits.addBit(Value: D->isEscapingByref()); |
1310 | HasDeducedType = D->getType()->getContainedDeducedType(); |
1311 | VarDeclBits.addBit(Value: HasDeducedType); |
1312 | |
1313 | if (const auto *IPD = dyn_cast<ImplicitParamDecl>(Val: D)) |
1314 | VarDeclBits.addBits(Value: llvm::to_underlying(E: IPD->getParameterKind()), |
1315 | /*Width=*/BitsWidth: 3); |
1316 | else |
1317 | VarDeclBits.addBits(Value: 0, /*Width=*/BitsWidth: 3); |
1318 | |
1319 | VarDeclBits.addBit(Value: D->isObjCForDecl()); |
1320 | } |
1321 | |
1322 | Record.push_back(N: VarDeclBits); |
1323 | |
1324 | if (ModulesCodegen) |
1325 | Writer.AddDeclRef(D, Record&: Writer.ModularCodegenDecls); |
1326 | |
1327 | if (D->hasAttr<BlocksAttr>()) { |
1328 | BlockVarCopyInit Init = Record.getASTContext().getBlockVarCopyInit(VD: D); |
1329 | Record.AddStmt(S: Init.getCopyExpr()); |
1330 | if (Init.getCopyExpr()) |
1331 | Record.push_back(N: Init.canThrow()); |
1332 | } |
1333 | |
1334 | enum { |
1335 | VarNotTemplate = 0, VarTemplate, StaticDataMemberSpecialization |
1336 | }; |
1337 | if (VarTemplateDecl *TemplD = D->getDescribedVarTemplate()) { |
1338 | Record.push_back(N: VarTemplate); |
1339 | Record.AddDeclRef(D: TemplD); |
1340 | } else if (MemberSpecializationInfo *SpecInfo |
1341 | = D->getMemberSpecializationInfo()) { |
1342 | Record.push_back(N: StaticDataMemberSpecialization); |
1343 | Record.AddDeclRef(D: SpecInfo->getInstantiatedFrom()); |
1344 | Record.push_back(N: SpecInfo->getTemplateSpecializationKind()); |
1345 | Record.AddSourceLocation(Loc: SpecInfo->getPointOfInstantiation()); |
1346 | } else { |
1347 | Record.push_back(N: VarNotTemplate); |
1348 | } |
1349 | |
1350 | if (D->getDeclContext() == D->getLexicalDeclContext() && !D->hasAttrs() && |
1351 | !D->isTopLevelDeclInObjCContainer() && |
1352 | !needsAnonymousDeclarationNumber(D) && |
1353 | D->getDeclName().getNameKind() == DeclarationName::Identifier && |
1354 | !D->hasExtInfo() && D->getFirstDecl() == D->getMostRecentDecl() && |
1355 | D->getKind() == Decl::Var && !D->isInline() && !D->isConstexpr() && |
1356 | !D->isInitCapture() && !D->isPreviousDeclInSameBlockScope() && |
1357 | !D->hasInitWithSideEffects() && !D->isEscapingByref() && |
1358 | !HasDeducedType && D->getStorageDuration() != SD_Static && |
1359 | !D->getDescribedVarTemplate() && !D->getMemberSpecializationInfo() && |
1360 | !D->isObjCForDecl() && !isa<ImplicitParamDecl>(Val: D) && |
1361 | !D->isEscapingByref()) |
1362 | AbbrevToUse = Writer.getDeclVarAbbrev(); |
1363 | |
1364 | Code = serialization::DECL_VAR; |
1365 | } |
1366 | |
1367 | void ASTDeclWriter::VisitImplicitParamDecl(ImplicitParamDecl *D) { |
1368 | VisitVarDecl(D); |
1369 | Code = serialization::DECL_IMPLICIT_PARAM; |
1370 | } |
1371 | |
1372 | void ASTDeclWriter::VisitParmVarDecl(ParmVarDecl *D) { |
1373 | VisitVarDecl(D); |
1374 | |
1375 | // See the implementation of `ParmVarDecl::getParameterIndex()`, which may |
1376 | // exceed the size of the normal bitfield. So it may be better to not pack |
1377 | // these bits. |
1378 | Record.push_back(N: D->getFunctionScopeIndex()); |
1379 | |
1380 | BitsPacker ParmVarDeclBits; |
1381 | ParmVarDeclBits.addBit(Value: D->isObjCMethodParameter()); |
1382 | ParmVarDeclBits.addBits(Value: D->getFunctionScopeDepth(), /*BitsWidth=*/7); |
1383 | // FIXME: stable encoding |
1384 | ParmVarDeclBits.addBits(Value: D->getObjCDeclQualifier(), /*BitsWidth=*/7); |
1385 | ParmVarDeclBits.addBit(Value: D->isKNRPromoted()); |
1386 | ParmVarDeclBits.addBit(Value: D->hasInheritedDefaultArg()); |
1387 | ParmVarDeclBits.addBit(Value: D->hasUninstantiatedDefaultArg()); |
1388 | ParmVarDeclBits.addBit(Value: D->getExplicitObjectParamThisLoc().isValid()); |
1389 | Record.push_back(N: ParmVarDeclBits); |
1390 | |
1391 | if (D->hasUninstantiatedDefaultArg()) |
1392 | Record.AddStmt(S: D->getUninstantiatedDefaultArg()); |
1393 | if (D->getExplicitObjectParamThisLoc().isValid()) |
1394 | Record.AddSourceLocation(Loc: D->getExplicitObjectParamThisLoc()); |
1395 | Code = serialization::DECL_PARM_VAR; |
1396 | |
1397 | // If the assumptions about the DECL_PARM_VAR abbrev are true, use it. Here |
1398 | // we dynamically check for the properties that we optimize for, but don't |
1399 | // know are true of all PARM_VAR_DECLs. |
1400 | if (D->getDeclContext() == D->getLexicalDeclContext() && !D->hasAttrs() && |
1401 | !D->hasExtInfo() && D->getStorageClass() == 0 && !D->isInvalidDecl() && |
1402 | !D->isTopLevelDeclInObjCContainer() && |
1403 | D->getInitStyle() == VarDecl::CInit && // Can params have anything else? |
1404 | D->getInit() == nullptr) // No default expr. |
1405 | AbbrevToUse = Writer.getDeclParmVarAbbrev(); |
1406 | |
1407 | // Check things we know are true of *every* PARM_VAR_DECL, which is more than |
1408 | // just us assuming it. |
1409 | assert(!D->getTSCSpec() && "PARM_VAR_DECL can't use TLS" ); |
1410 | assert(!D->isThisDeclarationADemotedDefinition() |
1411 | && "PARM_VAR_DECL can't be demoted definition." ); |
1412 | assert(D->getAccess() == AS_none && "PARM_VAR_DECL can't be public/private" ); |
1413 | assert(!D->isExceptionVariable() && "PARM_VAR_DECL can't be exception var" ); |
1414 | assert(D->getPreviousDecl() == nullptr && "PARM_VAR_DECL can't be redecl" ); |
1415 | assert(!D->isStaticDataMember() && |
1416 | "PARM_VAR_DECL can't be static data member" ); |
1417 | } |
1418 | |
1419 | void ASTDeclWriter::VisitDecompositionDecl(DecompositionDecl *D) { |
1420 | // Record the number of bindings first to simplify deserialization. |
1421 | Record.push_back(N: D->bindings().size()); |
1422 | |
1423 | VisitVarDecl(D); |
1424 | for (auto *B : D->bindings()) |
1425 | Record.AddDeclRef(D: B); |
1426 | Code = serialization::DECL_DECOMPOSITION; |
1427 | } |
1428 | |
1429 | void ASTDeclWriter::VisitBindingDecl(BindingDecl *D) { |
1430 | VisitValueDecl(D); |
1431 | Record.AddStmt(S: D->getBinding()); |
1432 | Code = serialization::DECL_BINDING; |
1433 | } |
1434 | |
1435 | void ASTDeclWriter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) { |
1436 | VisitDecl(D); |
1437 | Record.AddStmt(S: D->getAsmStringExpr()); |
1438 | Record.AddSourceLocation(Loc: D->getRParenLoc()); |
1439 | Code = serialization::DECL_FILE_SCOPE_ASM; |
1440 | } |
1441 | |
1442 | void ASTDeclWriter::VisitTopLevelStmtDecl(TopLevelStmtDecl *D) { |
1443 | VisitDecl(D); |
1444 | Record.AddStmt(S: D->getStmt()); |
1445 | Code = serialization::DECL_TOP_LEVEL_STMT_DECL; |
1446 | } |
1447 | |
1448 | void ASTDeclWriter::VisitEmptyDecl(EmptyDecl *D) { |
1449 | VisitDecl(D); |
1450 | Code = serialization::DECL_EMPTY; |
1451 | } |
1452 | |
1453 | void ASTDeclWriter::VisitLifetimeExtendedTemporaryDecl( |
1454 | LifetimeExtendedTemporaryDecl *D) { |
1455 | VisitDecl(D); |
1456 | Record.AddDeclRef(D: D->getExtendingDecl()); |
1457 | Record.AddStmt(S: D->getTemporaryExpr()); |
1458 | Record.push_back(N: static_cast<bool>(D->getValue())); |
1459 | if (D->getValue()) |
1460 | Record.AddAPValue(Value: *D->getValue()); |
1461 | Record.push_back(N: D->getManglingNumber()); |
1462 | Code = serialization::DECL_LIFETIME_EXTENDED_TEMPORARY; |
1463 | } |
1464 | void ASTDeclWriter::VisitBlockDecl(BlockDecl *D) { |
1465 | VisitDecl(D); |
1466 | Record.AddStmt(S: D->getBody()); |
1467 | Record.AddTypeSourceInfo(TInfo: D->getSignatureAsWritten()); |
1468 | Record.push_back(N: D->param_size()); |
1469 | for (ParmVarDecl *P : D->parameters()) |
1470 | Record.AddDeclRef(D: P); |
1471 | Record.push_back(N: D->isVariadic()); |
1472 | Record.push_back(N: D->blockMissingReturnType()); |
1473 | Record.push_back(N: D->isConversionFromLambda()); |
1474 | Record.push_back(N: D->doesNotEscape()); |
1475 | Record.push_back(N: D->canAvoidCopyToHeap()); |
1476 | Record.push_back(N: D->capturesCXXThis()); |
1477 | Record.push_back(N: D->getNumCaptures()); |
1478 | for (const auto &capture : D->captures()) { |
1479 | Record.AddDeclRef(D: capture.getVariable()); |
1480 | |
1481 | unsigned flags = 0; |
1482 | if (capture.isByRef()) flags |= 1; |
1483 | if (capture.isNested()) flags |= 2; |
1484 | if (capture.hasCopyExpr()) flags |= 4; |
1485 | Record.push_back(N: flags); |
1486 | |
1487 | if (capture.hasCopyExpr()) Record.AddStmt(S: capture.getCopyExpr()); |
1488 | } |
1489 | |
1490 | Code = serialization::DECL_BLOCK; |
1491 | } |
1492 | |
1493 | void ASTDeclWriter::VisitOutlinedFunctionDecl(OutlinedFunctionDecl *D) { |
1494 | Record.push_back(N: D->getNumParams()); |
1495 | VisitDecl(D); |
1496 | for (unsigned I = 0; I < D->getNumParams(); ++I) |
1497 | Record.AddDeclRef(D: D->getParam(i: I)); |
1498 | Record.push_back(N: D->isNothrow() ? 1 : 0); |
1499 | Record.AddStmt(S: D->getBody()); |
1500 | Code = serialization::DECL_OUTLINEDFUNCTION; |
1501 | } |
1502 | |
1503 | void ASTDeclWriter::VisitCapturedDecl(CapturedDecl *CD) { |
1504 | Record.push_back(N: CD->getNumParams()); |
1505 | VisitDecl(D: CD); |
1506 | Record.push_back(N: CD->getContextParamPosition()); |
1507 | Record.push_back(N: CD->isNothrow() ? 1 : 0); |
1508 | // Body is stored by VisitCapturedStmt. |
1509 | for (unsigned I = 0; I < CD->getNumParams(); ++I) |
1510 | Record.AddDeclRef(D: CD->getParam(i: I)); |
1511 | Code = serialization::DECL_CAPTURED; |
1512 | } |
1513 | |
1514 | void ASTDeclWriter::VisitLinkageSpecDecl(LinkageSpecDecl *D) { |
1515 | static_assert(DeclContext::NumLinkageSpecDeclBits == 17, |
1516 | "You need to update the serializer after you change the" |
1517 | "LinkageSpecDeclBits" ); |
1518 | |
1519 | VisitDecl(D); |
1520 | Record.push_back(N: llvm::to_underlying(E: D->getLanguage())); |
1521 | Record.AddSourceLocation(Loc: D->getExternLoc()); |
1522 | Record.AddSourceLocation(Loc: D->getRBraceLoc()); |
1523 | Code = serialization::DECL_LINKAGE_SPEC; |
1524 | } |
1525 | |
1526 | void ASTDeclWriter::VisitExportDecl(ExportDecl *D) { |
1527 | VisitDecl(D); |
1528 | Record.AddSourceLocation(Loc: D->getRBraceLoc()); |
1529 | Code = serialization::DECL_EXPORT; |
1530 | } |
1531 | |
1532 | void ASTDeclWriter::VisitLabelDecl(LabelDecl *D) { |
1533 | VisitNamedDecl(D); |
1534 | Record.AddSourceLocation(Loc: D->getBeginLoc()); |
1535 | Code = serialization::DECL_LABEL; |
1536 | } |
1537 | |
1538 | |
1539 | void ASTDeclWriter::VisitNamespaceDecl(NamespaceDecl *D) { |
1540 | VisitRedeclarable(D); |
1541 | VisitNamedDecl(D); |
1542 | |
1543 | BitsPacker NamespaceDeclBits; |
1544 | NamespaceDeclBits.addBit(Value: D->isInline()); |
1545 | NamespaceDeclBits.addBit(Value: D->isNested()); |
1546 | Record.push_back(N: NamespaceDeclBits); |
1547 | |
1548 | Record.AddSourceLocation(Loc: D->getBeginLoc()); |
1549 | Record.AddSourceLocation(Loc: D->getRBraceLoc()); |
1550 | |
1551 | if (D->isFirstDecl()) |
1552 | Record.AddDeclRef(D: D->getAnonymousNamespace()); |
1553 | Code = serialization::DECL_NAMESPACE; |
1554 | |
1555 | if (Writer.hasChain() && D->isAnonymousNamespace() && |
1556 | D == D->getMostRecentDecl()) { |
1557 | // This is a most recent reopening of the anonymous namespace. If its parent |
1558 | // is in a previous PCH (or is the TU), mark that parent for update, because |
1559 | // the original namespace always points to the latest re-opening of its |
1560 | // anonymous namespace. |
1561 | Decl *Parent = cast<Decl>( |
1562 | Val: D->getParent()->getRedeclContext()->getPrimaryContext()); |
1563 | if (Parent->isFromASTFile() || isa<TranslationUnitDecl>(Val: Parent)) { |
1564 | Writer.DeclUpdates[Parent].push_back( |
1565 | Elt: ASTWriter::DeclUpdate(DeclUpdateKind::CXXAddedAnonymousNamespace, D)); |
1566 | } |
1567 | } |
1568 | } |
1569 | |
1570 | void ASTDeclWriter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) { |
1571 | VisitRedeclarable(D); |
1572 | VisitNamedDecl(D); |
1573 | Record.AddSourceLocation(Loc: D->getNamespaceLoc()); |
1574 | Record.AddSourceLocation(Loc: D->getTargetNameLoc()); |
1575 | Record.AddNestedNameSpecifierLoc(NNS: D->getQualifierLoc()); |
1576 | Record.AddDeclRef(D: D->getNamespace()); |
1577 | Code = serialization::DECL_NAMESPACE_ALIAS; |
1578 | } |
1579 | |
1580 | void ASTDeclWriter::VisitUsingDecl(UsingDecl *D) { |
1581 | VisitNamedDecl(D); |
1582 | Record.AddSourceLocation(Loc: D->getUsingLoc()); |
1583 | Record.AddNestedNameSpecifierLoc(NNS: D->getQualifierLoc()); |
1584 | Record.AddDeclarationNameLoc(DNLoc: D->DNLoc, Name: D->getDeclName()); |
1585 | Record.AddDeclRef(D: D->FirstUsingShadow.getPointer()); |
1586 | Record.push_back(N: D->hasTypename()); |
1587 | Record.AddDeclRef(D: Record.getASTContext().getInstantiatedFromUsingDecl(Inst: D)); |
1588 | Code = serialization::DECL_USING; |
1589 | } |
1590 | |
1591 | void ASTDeclWriter::VisitUsingEnumDecl(UsingEnumDecl *D) { |
1592 | VisitNamedDecl(D); |
1593 | Record.AddSourceLocation(Loc: D->getUsingLoc()); |
1594 | Record.AddSourceLocation(Loc: D->getEnumLoc()); |
1595 | Record.AddTypeSourceInfo(TInfo: D->getEnumType()); |
1596 | Record.AddDeclRef(D: D->FirstUsingShadow.getPointer()); |
1597 | Record.AddDeclRef(D: Record.getASTContext().getInstantiatedFromUsingEnumDecl(Inst: D)); |
1598 | Code = serialization::DECL_USING_ENUM; |
1599 | } |
1600 | |
1601 | void ASTDeclWriter::VisitUsingPackDecl(UsingPackDecl *D) { |
1602 | Record.push_back(N: D->NumExpansions); |
1603 | VisitNamedDecl(D); |
1604 | Record.AddDeclRef(D: D->getInstantiatedFromUsingDecl()); |
1605 | for (auto *E : D->expansions()) |
1606 | Record.AddDeclRef(D: E); |
1607 | Code = serialization::DECL_USING_PACK; |
1608 | } |
1609 | |
1610 | void ASTDeclWriter::VisitUsingShadowDecl(UsingShadowDecl *D) { |
1611 | VisitRedeclarable(D); |
1612 | VisitNamedDecl(D); |
1613 | Record.AddDeclRef(D: D->getTargetDecl()); |
1614 | Record.push_back(N: D->getIdentifierNamespace()); |
1615 | Record.AddDeclRef(D: D->UsingOrNextShadow); |
1616 | Record.AddDeclRef( |
1617 | D: Record.getASTContext().getInstantiatedFromUsingShadowDecl(Inst: D)); |
1618 | |
1619 | if (D->getDeclContext() == D->getLexicalDeclContext() && |
1620 | D->getFirstDecl() == D->getMostRecentDecl() && !D->hasAttrs() && |
1621 | !needsAnonymousDeclarationNumber(D) && |
1622 | D->getDeclName().getNameKind() == DeclarationName::Identifier) |
1623 | AbbrevToUse = Writer.getDeclUsingShadowAbbrev(); |
1624 | |
1625 | Code = serialization::DECL_USING_SHADOW; |
1626 | } |
1627 | |
1628 | void ASTDeclWriter::VisitConstructorUsingShadowDecl( |
1629 | ConstructorUsingShadowDecl *D) { |
1630 | VisitUsingShadowDecl(D); |
1631 | Record.AddDeclRef(D: D->NominatedBaseClassShadowDecl); |
1632 | Record.AddDeclRef(D: D->ConstructedBaseClassShadowDecl); |
1633 | Record.push_back(N: D->IsVirtual); |
1634 | Code = serialization::DECL_CONSTRUCTOR_USING_SHADOW; |
1635 | } |
1636 | |
1637 | void ASTDeclWriter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { |
1638 | VisitNamedDecl(D); |
1639 | Record.AddSourceLocation(Loc: D->getUsingLoc()); |
1640 | Record.AddSourceLocation(Loc: D->getNamespaceKeyLocation()); |
1641 | Record.AddNestedNameSpecifierLoc(NNS: D->getQualifierLoc()); |
1642 | Record.AddDeclRef(D: D->getNominatedNamespace()); |
1643 | Record.AddDeclRef(D: dyn_cast<Decl>(Val: D->getCommonAncestor())); |
1644 | Code = serialization::DECL_USING_DIRECTIVE; |
1645 | } |
1646 | |
1647 | void ASTDeclWriter::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) { |
1648 | VisitValueDecl(D); |
1649 | Record.AddSourceLocation(Loc: D->getUsingLoc()); |
1650 | Record.AddNestedNameSpecifierLoc(NNS: D->getQualifierLoc()); |
1651 | Record.AddDeclarationNameLoc(DNLoc: D->DNLoc, Name: D->getDeclName()); |
1652 | Record.AddSourceLocation(Loc: D->getEllipsisLoc()); |
1653 | Code = serialization::DECL_UNRESOLVED_USING_VALUE; |
1654 | } |
1655 | |
1656 | void ASTDeclWriter::VisitUnresolvedUsingTypenameDecl( |
1657 | UnresolvedUsingTypenameDecl *D) { |
1658 | VisitTypeDecl(D); |
1659 | Record.AddSourceLocation(Loc: D->getTypenameLoc()); |
1660 | Record.AddNestedNameSpecifierLoc(NNS: D->getQualifierLoc()); |
1661 | Record.AddSourceLocation(Loc: D->getEllipsisLoc()); |
1662 | Code = serialization::DECL_UNRESOLVED_USING_TYPENAME; |
1663 | } |
1664 | |
1665 | void ASTDeclWriter::VisitUnresolvedUsingIfExistsDecl( |
1666 | UnresolvedUsingIfExistsDecl *D) { |
1667 | VisitNamedDecl(D); |
1668 | Code = serialization::DECL_UNRESOLVED_USING_IF_EXISTS; |
1669 | } |
1670 | |
1671 | void ASTDeclWriter::VisitCXXRecordDecl(CXXRecordDecl *D) { |
1672 | VisitRecordDecl(D); |
1673 | |
1674 | enum { |
1675 | CXXRecNotTemplate = 0, |
1676 | CXXRecTemplate, |
1677 | CXXRecMemberSpecialization, |
1678 | CXXLambda |
1679 | }; |
1680 | if (ClassTemplateDecl *TemplD = D->getDescribedClassTemplate()) { |
1681 | Record.push_back(N: CXXRecTemplate); |
1682 | Record.AddDeclRef(D: TemplD); |
1683 | } else if (MemberSpecializationInfo *MSInfo |
1684 | = D->getMemberSpecializationInfo()) { |
1685 | Record.push_back(N: CXXRecMemberSpecialization); |
1686 | Record.AddDeclRef(D: MSInfo->getInstantiatedFrom()); |
1687 | Record.push_back(N: MSInfo->getTemplateSpecializationKind()); |
1688 | Record.AddSourceLocation(Loc: MSInfo->getPointOfInstantiation()); |
1689 | } else if (D->isLambda()) { |
1690 | // For a lambda, we need some information early for merging. |
1691 | Record.push_back(N: CXXLambda); |
1692 | if (auto *Context = D->getLambdaContextDecl()) { |
1693 | Record.AddDeclRef(D: Context); |
1694 | Record.push_back(N: D->getLambdaIndexInContext()); |
1695 | } else { |
1696 | Record.push_back(N: 0); |
1697 | } |
1698 | // For lambdas inside template functions, remember the mapping to |
1699 | // deserialize them together. |
1700 | if (auto *FD = llvm::dyn_cast_or_null<FunctionDecl>(Val: D->getDeclContext()); |
1701 | FD && isDefinitionInDependentContext(D: FD)) { |
1702 | Writer.RelatedDeclsMap[Writer.GetDeclRef(D: FD)].push_back( |
1703 | Elt: Writer.GetDeclRef(D: D->getLambdaCallOperator())); |
1704 | } |
1705 | } else { |
1706 | Record.push_back(N: CXXRecNotTemplate); |
1707 | } |
1708 | |
1709 | Record.push_back(N: D->isThisDeclarationADefinition()); |
1710 | if (D->isThisDeclarationADefinition()) |
1711 | Record.AddCXXDefinitionData(D); |
1712 | |
1713 | if (D->isCompleteDefinition() && D->isInNamedModule()) |
1714 | Writer.AddDeclRef(D, Record&: Writer.ModularCodegenDecls); |
1715 | |
1716 | // Store (what we currently believe to be) the key function to avoid |
1717 | // deserializing every method so we can compute it. |
1718 | // |
1719 | // FIXME: Avoid adding the key function if the class is defined in |
1720 | // module purview since in that case the key function is meaningless. |
1721 | if (D->isCompleteDefinition()) |
1722 | Record.AddDeclRef(D: Record.getASTContext().getCurrentKeyFunction(RD: D)); |
1723 | |
1724 | Code = serialization::DECL_CXX_RECORD; |
1725 | } |
1726 | |
1727 | void ASTDeclWriter::VisitCXXMethodDecl(CXXMethodDecl *D) { |
1728 | VisitFunctionDecl(D); |
1729 | if (D->isCanonicalDecl()) { |
1730 | Record.push_back(N: D->size_overridden_methods()); |
1731 | for (const CXXMethodDecl *MD : D->overridden_methods()) |
1732 | Record.AddDeclRef(D: MD); |
1733 | } else { |
1734 | // We only need to record overridden methods once for the canonical decl. |
1735 | Record.push_back(N: 0); |
1736 | } |
1737 | |
1738 | if (D->getDeclContext() == D->getLexicalDeclContext() && |
1739 | D->getFirstDecl() == D->getMostRecentDecl() && !D->isInvalidDecl() && |
1740 | !D->hasAttrs() && !D->isTopLevelDeclInObjCContainer() && |
1741 | D->getDeclName().getNameKind() == DeclarationName::Identifier && |
1742 | !D->hasExtInfo() && !D->isExplicitlyDefaulted()) { |
1743 | if (D->getTemplatedKind() == FunctionDecl::TK_NonTemplate || |
1744 | D->getTemplatedKind() == FunctionDecl::TK_FunctionTemplate || |
1745 | D->getTemplatedKind() == FunctionDecl::TK_MemberSpecialization || |
1746 | D->getTemplatedKind() == FunctionDecl::TK_DependentNonTemplate) |
1747 | AbbrevToUse = Writer.getDeclCXXMethodAbbrev(Kind: D->getTemplatedKind()); |
1748 | else if (D->getTemplatedKind() == |
1749 | FunctionDecl::TK_FunctionTemplateSpecialization) { |
1750 | FunctionTemplateSpecializationInfo *FTSInfo = |
1751 | D->getTemplateSpecializationInfo(); |
1752 | |
1753 | if (FTSInfo->TemplateArguments->size() == 1) { |
1754 | const TemplateArgument &TA = FTSInfo->TemplateArguments->get(Idx: 0); |
1755 | if (TA.getKind() == TemplateArgument::Type && |
1756 | !FTSInfo->TemplateArgumentsAsWritten && |
1757 | !FTSInfo->getMemberSpecializationInfo()) |
1758 | AbbrevToUse = Writer.getDeclCXXMethodAbbrev(Kind: D->getTemplatedKind()); |
1759 | } |
1760 | } else if (D->getTemplatedKind() == |
1761 | FunctionDecl::TK_DependentFunctionTemplateSpecialization) { |
1762 | DependentFunctionTemplateSpecializationInfo *DFTSInfo = |
1763 | D->getDependentSpecializationInfo(); |
1764 | if (!DFTSInfo->TemplateArgumentsAsWritten) |
1765 | AbbrevToUse = Writer.getDeclCXXMethodAbbrev(Kind: D->getTemplatedKind()); |
1766 | } |
1767 | } |
1768 | |
1769 | Code = serialization::DECL_CXX_METHOD; |
1770 | } |
1771 | |
1772 | void ASTDeclWriter::VisitCXXConstructorDecl(CXXConstructorDecl *D) { |
1773 | static_assert(DeclContext::NumCXXConstructorDeclBits == 64, |
1774 | "You need to update the serializer after you change the " |
1775 | "CXXConstructorDeclBits" ); |
1776 | |
1777 | Record.push_back(N: D->getTrailingAllocKind()); |
1778 | addExplicitSpecifier(ES: D->getExplicitSpecifierInternal(), Record); |
1779 | if (auto Inherited = D->getInheritedConstructor()) { |
1780 | Record.AddDeclRef(D: Inherited.getShadowDecl()); |
1781 | Record.AddDeclRef(D: Inherited.getConstructor()); |
1782 | } |
1783 | |
1784 | VisitCXXMethodDecl(D); |
1785 | Code = serialization::DECL_CXX_CONSTRUCTOR; |
1786 | } |
1787 | |
1788 | void ASTDeclWriter::VisitCXXDestructorDecl(CXXDestructorDecl *D) { |
1789 | VisitCXXMethodDecl(D); |
1790 | |
1791 | Record.AddDeclRef(D: D->getOperatorDelete()); |
1792 | if (D->getOperatorDelete()) |
1793 | Record.AddStmt(S: D->getOperatorDeleteThisArg()); |
1794 | |
1795 | Code = serialization::DECL_CXX_DESTRUCTOR; |
1796 | } |
1797 | |
1798 | void ASTDeclWriter::VisitCXXConversionDecl(CXXConversionDecl *D) { |
1799 | addExplicitSpecifier(ES: D->getExplicitSpecifier(), Record); |
1800 | VisitCXXMethodDecl(D); |
1801 | Code = serialization::DECL_CXX_CONVERSION; |
1802 | } |
1803 | |
1804 | void ASTDeclWriter::VisitImportDecl(ImportDecl *D) { |
1805 | VisitDecl(D); |
1806 | Record.push_back(N: Writer.getSubmoduleID(Mod: D->getImportedModule())); |
1807 | ArrayRef<SourceLocation> IdentifierLocs = D->getIdentifierLocs(); |
1808 | Record.push_back(N: !IdentifierLocs.empty()); |
1809 | if (IdentifierLocs.empty()) { |
1810 | Record.AddSourceLocation(Loc: D->getEndLoc()); |
1811 | Record.push_back(N: 1); |
1812 | } else { |
1813 | for (unsigned I = 0, N = IdentifierLocs.size(); I != N; ++I) |
1814 | Record.AddSourceLocation(Loc: IdentifierLocs[I]); |
1815 | Record.push_back(N: IdentifierLocs.size()); |
1816 | } |
1817 | // Note: the number of source locations must always be the last element in |
1818 | // the record. |
1819 | Code = serialization::DECL_IMPORT; |
1820 | } |
1821 | |
1822 | void ASTDeclWriter::VisitAccessSpecDecl(AccessSpecDecl *D) { |
1823 | VisitDecl(D); |
1824 | Record.AddSourceLocation(Loc: D->getColonLoc()); |
1825 | Code = serialization::DECL_ACCESS_SPEC; |
1826 | } |
1827 | |
1828 | void ASTDeclWriter::VisitFriendDecl(FriendDecl *D) { |
1829 | // Record the number of friend type template parameter lists here |
1830 | // so as to simplify memory allocation during deserialization. |
1831 | Record.push_back(N: D->NumTPLists); |
1832 | VisitDecl(D); |
1833 | bool hasFriendDecl = isa<NamedDecl *>(Val: D->Friend); |
1834 | Record.push_back(N: hasFriendDecl); |
1835 | if (hasFriendDecl) |
1836 | Record.AddDeclRef(D: D->getFriendDecl()); |
1837 | else |
1838 | Record.AddTypeSourceInfo(TInfo: D->getFriendType()); |
1839 | for (unsigned i = 0; i < D->NumTPLists; ++i) |
1840 | Record.AddTemplateParameterList(TemplateParams: D->getFriendTypeTemplateParameterList(N: i)); |
1841 | Record.AddDeclRef(D: D->getNextFriend()); |
1842 | Record.push_back(N: D->UnsupportedFriend); |
1843 | Record.AddSourceLocation(Loc: D->FriendLoc); |
1844 | Record.AddSourceLocation(Loc: D->EllipsisLoc); |
1845 | Code = serialization::DECL_FRIEND; |
1846 | } |
1847 | |
1848 | void ASTDeclWriter::VisitFriendTemplateDecl(FriendTemplateDecl *D) { |
1849 | VisitDecl(D); |
1850 | Record.push_back(N: D->getNumTemplateParameters()); |
1851 | for (unsigned i = 0, e = D->getNumTemplateParameters(); i != e; ++i) |
1852 | Record.AddTemplateParameterList(TemplateParams: D->getTemplateParameterList(i)); |
1853 | Record.push_back(N: D->getFriendDecl() != nullptr); |
1854 | if (D->getFriendDecl()) |
1855 | Record.AddDeclRef(D: D->getFriendDecl()); |
1856 | else |
1857 | Record.AddTypeSourceInfo(TInfo: D->getFriendType()); |
1858 | Record.AddSourceLocation(Loc: D->getFriendLoc()); |
1859 | Code = serialization::DECL_FRIEND_TEMPLATE; |
1860 | } |
1861 | |
1862 | void ASTDeclWriter::VisitTemplateDecl(TemplateDecl *D) { |
1863 | VisitNamedDecl(D); |
1864 | |
1865 | Record.AddTemplateParameterList(TemplateParams: D->getTemplateParameters()); |
1866 | Record.AddDeclRef(D: D->getTemplatedDecl()); |
1867 | } |
1868 | |
1869 | void ASTDeclWriter::VisitConceptDecl(ConceptDecl *D) { |
1870 | VisitTemplateDecl(D); |
1871 | Record.AddStmt(S: D->getConstraintExpr()); |
1872 | Code = serialization::DECL_CONCEPT; |
1873 | } |
1874 | |
1875 | void ASTDeclWriter::VisitImplicitConceptSpecializationDecl( |
1876 | ImplicitConceptSpecializationDecl *D) { |
1877 | Record.push_back(N: D->getTemplateArguments().size()); |
1878 | VisitDecl(D); |
1879 | for (const TemplateArgument &Arg : D->getTemplateArguments()) |
1880 | Record.AddTemplateArgument(Arg); |
1881 | Code = serialization::DECL_IMPLICIT_CONCEPT_SPECIALIZATION; |
1882 | } |
1883 | |
1884 | void ASTDeclWriter::VisitRequiresExprBodyDecl(RequiresExprBodyDecl *D) { |
1885 | Code = serialization::DECL_REQUIRES_EXPR_BODY; |
1886 | } |
1887 | |
1888 | void ASTDeclWriter::VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D) { |
1889 | VisitRedeclarable(D); |
1890 | |
1891 | // Emit data to initialize CommonOrPrev before VisitTemplateDecl so that |
1892 | // getCommonPtr() can be used while this is still initializing. |
1893 | if (D->isFirstDecl()) { |
1894 | // This declaration owns the 'common' pointer, so serialize that data now. |
1895 | Record.AddDeclRef(D: D->getInstantiatedFromMemberTemplate()); |
1896 | if (D->getInstantiatedFromMemberTemplate()) |
1897 | Record.push_back(N: D->isMemberSpecialization()); |
1898 | } |
1899 | |
1900 | VisitTemplateDecl(D); |
1901 | Record.push_back(N: D->getIdentifierNamespace()); |
1902 | } |
1903 | |
1904 | void ASTDeclWriter::VisitClassTemplateDecl(ClassTemplateDecl *D) { |
1905 | VisitRedeclarableTemplateDecl(D); |
1906 | |
1907 | if (D->isFirstDecl()) |
1908 | AddTemplateSpecializations(D); |
1909 | |
1910 | // Force emitting the corresponding deduction guide in reduced BMI mode. |
1911 | // Otherwise, the deduction guide may be optimized out incorrectly. |
1912 | if (Writer.isGeneratingReducedBMI()) { |
1913 | auto Name = |
1914 | Record.getASTContext().DeclarationNames.getCXXDeductionGuideName(TD: D); |
1915 | for (auto *DG : D->getDeclContext()->noload_lookup(Name)) |
1916 | Writer.GetDeclRef(D: DG->getCanonicalDecl()); |
1917 | } |
1918 | |
1919 | Code = serialization::DECL_CLASS_TEMPLATE; |
1920 | } |
1921 | |
1922 | void ASTDeclWriter::VisitClassTemplateSpecializationDecl( |
1923 | ClassTemplateSpecializationDecl *D) { |
1924 | RegisterTemplateSpecialization(Template: D->getSpecializedTemplate(), Specialization: D); |
1925 | |
1926 | VisitCXXRecordDecl(D); |
1927 | |
1928 | llvm::PointerUnion<ClassTemplateDecl *, |
1929 | ClassTemplatePartialSpecializationDecl *> InstFrom |
1930 | = D->getSpecializedTemplateOrPartial(); |
1931 | if (Decl *InstFromD = InstFrom.dyn_cast<ClassTemplateDecl *>()) { |
1932 | Record.AddDeclRef(D: InstFromD); |
1933 | } else { |
1934 | Record.AddDeclRef(D: cast<ClassTemplatePartialSpecializationDecl *>(Val&: InstFrom)); |
1935 | Record.AddTemplateArgumentList(TemplateArgs: &D->getTemplateInstantiationArgs()); |
1936 | } |
1937 | |
1938 | Record.AddTemplateArgumentList(TemplateArgs: &D->getTemplateArgs()); |
1939 | Record.AddSourceLocation(Loc: D->getPointOfInstantiation()); |
1940 | Record.push_back(N: D->getSpecializationKind()); |
1941 | Record.push_back(N: D->hasStrictPackMatch()); |
1942 | Record.push_back(N: D->isCanonicalDecl()); |
1943 | |
1944 | if (D->isCanonicalDecl()) { |
1945 | // When reading, we'll add it to the folding set of the following template. |
1946 | Record.AddDeclRef(D: D->getSpecializedTemplate()->getCanonicalDecl()); |
1947 | } |
1948 | |
1949 | bool ExplicitInstantiation = |
1950 | D->getTemplateSpecializationKind() == |
1951 | TSK_ExplicitInstantiationDeclaration || |
1952 | D->getTemplateSpecializationKind() == TSK_ExplicitInstantiationDefinition; |
1953 | Record.push_back(N: ExplicitInstantiation); |
1954 | if (ExplicitInstantiation) { |
1955 | Record.AddSourceLocation(Loc: D->getExternKeywordLoc()); |
1956 | Record.AddSourceLocation(Loc: D->getTemplateKeywordLoc()); |
1957 | } |
1958 | |
1959 | const ASTTemplateArgumentListInfo *ArgsWritten = |
1960 | D->getTemplateArgsAsWritten(); |
1961 | Record.push_back(N: !!ArgsWritten); |
1962 | if (ArgsWritten) |
1963 | Record.AddASTTemplateArgumentListInfo(ASTTemplArgList: ArgsWritten); |
1964 | |
1965 | // Mention the implicitly generated C++ deduction guide to make sure the |
1966 | // deduction guide will be rewritten as expected. |
1967 | // |
1968 | // FIXME: Would it be more efficient to add a callback register function |
1969 | // in sema to register the deduction guide? |
1970 | if (Writer.isWritingStdCXXNamedModules()) { |
1971 | auto Name = |
1972 | Record.getASTContext().DeclarationNames.getCXXDeductionGuideName( |
1973 | TD: D->getSpecializedTemplate()); |
1974 | for (auto *DG : D->getDeclContext()->noload_lookup(Name)) |
1975 | Writer.GetDeclRef(D: DG->getCanonicalDecl()); |
1976 | } |
1977 | |
1978 | Code = serialization::DECL_CLASS_TEMPLATE_SPECIALIZATION; |
1979 | } |
1980 | |
1981 | void ASTDeclWriter::VisitClassTemplatePartialSpecializationDecl( |
1982 | ClassTemplatePartialSpecializationDecl *D) { |
1983 | Record.AddTemplateParameterList(TemplateParams: D->getTemplateParameters()); |
1984 | |
1985 | VisitClassTemplateSpecializationDecl(D); |
1986 | |
1987 | // These are read/set from/to the first declaration. |
1988 | if (D->getPreviousDecl() == nullptr) { |
1989 | Record.AddDeclRef(D: D->getInstantiatedFromMember()); |
1990 | Record.push_back(N: D->isMemberSpecialization()); |
1991 | } |
1992 | |
1993 | Code = serialization::DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION; |
1994 | } |
1995 | |
1996 | void ASTDeclWriter::VisitVarTemplateDecl(VarTemplateDecl *D) { |
1997 | VisitRedeclarableTemplateDecl(D); |
1998 | |
1999 | if (D->isFirstDecl()) |
2000 | AddTemplateSpecializations(D); |
2001 | Code = serialization::DECL_VAR_TEMPLATE; |
2002 | } |
2003 | |
2004 | void ASTDeclWriter::VisitVarTemplateSpecializationDecl( |
2005 | VarTemplateSpecializationDecl *D) { |
2006 | RegisterTemplateSpecialization(Template: D->getSpecializedTemplate(), Specialization: D); |
2007 | |
2008 | llvm::PointerUnion<VarTemplateDecl *, VarTemplatePartialSpecializationDecl *> |
2009 | InstFrom = D->getSpecializedTemplateOrPartial(); |
2010 | if (Decl *InstFromD = InstFrom.dyn_cast<VarTemplateDecl *>()) { |
2011 | Record.AddDeclRef(D: InstFromD); |
2012 | } else { |
2013 | Record.AddDeclRef(D: cast<VarTemplatePartialSpecializationDecl *>(Val&: InstFrom)); |
2014 | Record.AddTemplateArgumentList(TemplateArgs: &D->getTemplateInstantiationArgs()); |
2015 | } |
2016 | |
2017 | bool ExplicitInstantiation = |
2018 | D->getTemplateSpecializationKind() == |
2019 | TSK_ExplicitInstantiationDeclaration || |
2020 | D->getTemplateSpecializationKind() == TSK_ExplicitInstantiationDefinition; |
2021 | Record.push_back(N: ExplicitInstantiation); |
2022 | if (ExplicitInstantiation) { |
2023 | Record.AddSourceLocation(Loc: D->getExternKeywordLoc()); |
2024 | Record.AddSourceLocation(Loc: D->getTemplateKeywordLoc()); |
2025 | } |
2026 | |
2027 | const ASTTemplateArgumentListInfo *ArgsWritten = |
2028 | D->getTemplateArgsAsWritten(); |
2029 | Record.push_back(N: !!ArgsWritten); |
2030 | if (ArgsWritten) |
2031 | Record.AddASTTemplateArgumentListInfo(ASTTemplArgList: ArgsWritten); |
2032 | |
2033 | Record.AddTemplateArgumentList(TemplateArgs: &D->getTemplateArgs()); |
2034 | Record.AddSourceLocation(Loc: D->getPointOfInstantiation()); |
2035 | Record.push_back(N: D->getSpecializationKind()); |
2036 | Record.push_back(N: D->IsCompleteDefinition); |
2037 | |
2038 | VisitVarDecl(D); |
2039 | |
2040 | Record.push_back(N: D->isCanonicalDecl()); |
2041 | |
2042 | if (D->isCanonicalDecl()) { |
2043 | // When reading, we'll add it to the folding set of the following template. |
2044 | Record.AddDeclRef(D: D->getSpecializedTemplate()->getCanonicalDecl()); |
2045 | } |
2046 | |
2047 | Code = serialization::DECL_VAR_TEMPLATE_SPECIALIZATION; |
2048 | } |
2049 | |
2050 | void ASTDeclWriter::VisitVarTemplatePartialSpecializationDecl( |
2051 | VarTemplatePartialSpecializationDecl *D) { |
2052 | Record.AddTemplateParameterList(TemplateParams: D->getTemplateParameters()); |
2053 | |
2054 | VisitVarTemplateSpecializationDecl(D); |
2055 | |
2056 | // These are read/set from/to the first declaration. |
2057 | if (D->getPreviousDecl() == nullptr) { |
2058 | Record.AddDeclRef(D: D->getInstantiatedFromMember()); |
2059 | Record.push_back(N: D->isMemberSpecialization()); |
2060 | } |
2061 | |
2062 | Code = serialization::DECL_VAR_TEMPLATE_PARTIAL_SPECIALIZATION; |
2063 | } |
2064 | |
2065 | void ASTDeclWriter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { |
2066 | VisitRedeclarableTemplateDecl(D); |
2067 | |
2068 | if (D->isFirstDecl()) |
2069 | AddTemplateSpecializations(D); |
2070 | Code = serialization::DECL_FUNCTION_TEMPLATE; |
2071 | } |
2072 | |
2073 | void ASTDeclWriter::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) { |
2074 | Record.push_back(N: D->hasTypeConstraint()); |
2075 | VisitTypeDecl(D); |
2076 | |
2077 | Record.push_back(N: D->wasDeclaredWithTypename()); |
2078 | |
2079 | const TypeConstraint *TC = D->getTypeConstraint(); |
2080 | if (D->hasTypeConstraint()) |
2081 | Record.push_back(/*TypeConstraintInitialized=*/N: TC != nullptr); |
2082 | if (TC) { |
2083 | auto *CR = TC->getConceptReference(); |
2084 | Record.push_back(N: CR != nullptr); |
2085 | if (CR) |
2086 | Record.AddConceptReference(CR); |
2087 | Record.AddStmt(S: TC->getImmediatelyDeclaredConstraint()); |
2088 | Record.writeUnsignedOrNone(Value: TC->getArgPackSubstIndex()); |
2089 | Record.writeUnsignedOrNone(Value: D->getNumExpansionParameters()); |
2090 | } |
2091 | |
2092 | bool OwnsDefaultArg = D->hasDefaultArgument() && |
2093 | !D->defaultArgumentWasInherited(); |
2094 | Record.push_back(N: OwnsDefaultArg); |
2095 | if (OwnsDefaultArg) |
2096 | Record.AddTemplateArgumentLoc(Arg: D->getDefaultArgument()); |
2097 | |
2098 | if (!D->hasTypeConstraint() && !OwnsDefaultArg && |
2099 | D->getDeclContext() == D->getLexicalDeclContext() && |
2100 | !D->isInvalidDecl() && !D->hasAttrs() && |
2101 | !D->isTopLevelDeclInObjCContainer() && !D->isImplicit() && |
2102 | D->getDeclName().getNameKind() == DeclarationName::Identifier) |
2103 | AbbrevToUse = Writer.getDeclTemplateTypeParmAbbrev(); |
2104 | |
2105 | Code = serialization::DECL_TEMPLATE_TYPE_PARM; |
2106 | } |
2107 | |
2108 | void ASTDeclWriter::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) { |
2109 | // For an expanded parameter pack, record the number of expansion types here |
2110 | // so that it's easier for deserialization to allocate the right amount of |
2111 | // memory. |
2112 | Record.push_back(N: D->hasPlaceholderTypeConstraint()); |
2113 | if (D->isExpandedParameterPack()) |
2114 | Record.push_back(N: D->getNumExpansionTypes()); |
2115 | |
2116 | VisitDeclaratorDecl(D); |
2117 | // TemplateParmPosition. |
2118 | Record.push_back(N: D->getDepth()); |
2119 | Record.push_back(N: D->getPosition()); |
2120 | |
2121 | if (D->hasPlaceholderTypeConstraint()) |
2122 | Record.AddStmt(S: D->getPlaceholderTypeConstraint()); |
2123 | |
2124 | if (D->isExpandedParameterPack()) { |
2125 | for (unsigned I = 0, N = D->getNumExpansionTypes(); I != N; ++I) { |
2126 | Record.AddTypeRef(T: D->getExpansionType(I)); |
2127 | Record.AddTypeSourceInfo(TInfo: D->getExpansionTypeSourceInfo(I)); |
2128 | } |
2129 | |
2130 | Code = serialization::DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK; |
2131 | } else { |
2132 | // Rest of NonTypeTemplateParmDecl. |
2133 | Record.push_back(N: D->isParameterPack()); |
2134 | bool OwnsDefaultArg = D->hasDefaultArgument() && |
2135 | !D->defaultArgumentWasInherited(); |
2136 | Record.push_back(N: OwnsDefaultArg); |
2137 | if (OwnsDefaultArg) |
2138 | Record.AddTemplateArgumentLoc(Arg: D->getDefaultArgument()); |
2139 | Code = serialization::DECL_NON_TYPE_TEMPLATE_PARM; |
2140 | } |
2141 | } |
2142 | |
2143 | void ASTDeclWriter::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) { |
2144 | // For an expanded parameter pack, record the number of expansion types here |
2145 | // so that it's easier for deserialization to allocate the right amount of |
2146 | // memory. |
2147 | if (D->isExpandedParameterPack()) |
2148 | Record.push_back(N: D->getNumExpansionTemplateParameters()); |
2149 | |
2150 | VisitTemplateDecl(D); |
2151 | Record.push_back(N: D->wasDeclaredWithTypename()); |
2152 | // TemplateParmPosition. |
2153 | Record.push_back(N: D->getDepth()); |
2154 | Record.push_back(N: D->getPosition()); |
2155 | |
2156 | if (D->isExpandedParameterPack()) { |
2157 | for (unsigned I = 0, N = D->getNumExpansionTemplateParameters(); |
2158 | I != N; ++I) |
2159 | Record.AddTemplateParameterList(TemplateParams: D->getExpansionTemplateParameters(I)); |
2160 | Code = serialization::DECL_EXPANDED_TEMPLATE_TEMPLATE_PARM_PACK; |
2161 | } else { |
2162 | // Rest of TemplateTemplateParmDecl. |
2163 | Record.push_back(N: D->isParameterPack()); |
2164 | bool OwnsDefaultArg = D->hasDefaultArgument() && |
2165 | !D->defaultArgumentWasInherited(); |
2166 | Record.push_back(N: OwnsDefaultArg); |
2167 | if (OwnsDefaultArg) |
2168 | Record.AddTemplateArgumentLoc(Arg: D->getDefaultArgument()); |
2169 | Code = serialization::DECL_TEMPLATE_TEMPLATE_PARM; |
2170 | } |
2171 | } |
2172 | |
2173 | void ASTDeclWriter::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) { |
2174 | VisitRedeclarableTemplateDecl(D); |
2175 | Code = serialization::DECL_TYPE_ALIAS_TEMPLATE; |
2176 | } |
2177 | |
2178 | void ASTDeclWriter::VisitStaticAssertDecl(StaticAssertDecl *D) { |
2179 | VisitDecl(D); |
2180 | Record.AddStmt(S: D->getAssertExpr()); |
2181 | Record.push_back(N: D->isFailed()); |
2182 | Record.AddStmt(S: D->getMessage()); |
2183 | Record.AddSourceLocation(Loc: D->getRParenLoc()); |
2184 | Code = serialization::DECL_STATIC_ASSERT; |
2185 | } |
2186 | |
2187 | /// Emit the DeclContext part of a declaration context decl. |
2188 | void ASTDeclWriter::VisitDeclContext(DeclContext *DC) { |
2189 | static_assert(DeclContext::NumDeclContextBits == 13, |
2190 | "You need to update the serializer after you change the " |
2191 | "DeclContextBits" ); |
2192 | LookupBlockOffsets Offsets; |
2193 | |
2194 | if (Writer.isGeneratingReducedBMI() && isa<NamespaceDecl>(Val: DC) && |
2195 | cast<NamespaceDecl>(Val: DC)->isFromExplicitGlobalModule()) { |
2196 | // In reduced BMI, delay writing lexical and visible block for namespace |
2197 | // in the global module fragment. See the comments of DelayedNamespace for |
2198 | // details. |
2199 | Writer.DelayedNamespace.push_back(Elt: cast<NamespaceDecl>(Val: DC)); |
2200 | } else { |
2201 | Offsets.LexicalOffset = |
2202 | Writer.WriteDeclContextLexicalBlock(Context&: Record.getASTContext(), DC); |
2203 | Writer.WriteDeclContextVisibleBlock(Context&: Record.getASTContext(), DC, Offsets); |
2204 | } |
2205 | |
2206 | Record.AddLookupOffsets(Offsets); |
2207 | } |
2208 | |
2209 | const Decl *ASTWriter::getFirstLocalDecl(const Decl *D) { |
2210 | assert(IsLocalDecl(D) && "expected a local declaration" ); |
2211 | |
2212 | const Decl *Canon = D->getCanonicalDecl(); |
2213 | if (IsLocalDecl(D: Canon)) |
2214 | return Canon; |
2215 | |
2216 | const Decl *&CacheEntry = FirstLocalDeclCache[Canon]; |
2217 | if (CacheEntry) |
2218 | return CacheEntry; |
2219 | |
2220 | for (const Decl *Redecl = D; Redecl; Redecl = Redecl->getPreviousDecl()) |
2221 | if (IsLocalDecl(D: Redecl)) |
2222 | D = Redecl; |
2223 | return CacheEntry = D; |
2224 | } |
2225 | |
2226 | template <typename T> |
2227 | void ASTDeclWriter::VisitRedeclarable(Redeclarable<T> *D) { |
2228 | T *First = D->getFirstDecl(); |
2229 | T *MostRecent = First->getMostRecentDecl(); |
2230 | T *DAsT = static_cast<T *>(D); |
2231 | if (MostRecent != First) { |
2232 | assert(isRedeclarableDeclKind(DAsT->getKind()) && |
2233 | "Not considered redeclarable?" ); |
2234 | |
2235 | Record.AddDeclRef(D: First); |
2236 | |
2237 | // Write out a list of local redeclarations of this declaration if it's the |
2238 | // first local declaration in the chain. |
2239 | const Decl *FirstLocal = Writer.getFirstLocalDecl(D: DAsT); |
2240 | if (DAsT == FirstLocal) { |
2241 | // Emit a list of all imported first declarations so that we can be sure |
2242 | // that all redeclarations visible to this module are before D in the |
2243 | // redecl chain. |
2244 | unsigned I = Record.size(); |
2245 | Record.push_back(N: 0); |
2246 | if (Writer.Chain) |
2247 | AddFirstDeclFromEachModule(D: DAsT, /*IncludeLocal*/false); |
2248 | // This is the number of imported first declarations + 1. |
2249 | Record[I] = Record.size() - I; |
2250 | |
2251 | // Collect the set of local redeclarations of this declaration, from |
2252 | // newest to oldest. |
2253 | ASTWriter::RecordData LocalRedecls; |
2254 | ASTRecordWriter LocalRedeclWriter(Record, LocalRedecls); |
2255 | for (const Decl *Prev = FirstLocal->getMostRecentDecl(); |
2256 | Prev != FirstLocal; Prev = Prev->getPreviousDecl()) |
2257 | if (!Prev->isFromASTFile()) |
2258 | LocalRedeclWriter.AddDeclRef(D: Prev); |
2259 | |
2260 | // If we have any redecls, write them now as a separate record preceding |
2261 | // the declaration itself. |
2262 | if (LocalRedecls.empty()) |
2263 | Record.push_back(N: 0); |
2264 | else |
2265 | Record.AddOffset(BitOffset: LocalRedeclWriter.Emit(Code: LOCAL_REDECLARATIONS)); |
2266 | } else { |
2267 | Record.push_back(N: 0); |
2268 | Record.AddDeclRef(D: FirstLocal); |
2269 | } |
2270 | |
2271 | // Make sure that we serialize both the previous and the most-recent |
2272 | // declarations, which (transitively) ensures that all declarations in the |
2273 | // chain get serialized. |
2274 | // |
2275 | // FIXME: This is not correct; when we reach an imported declaration we |
2276 | // won't emit its previous declaration. |
2277 | (void)Writer.GetDeclRef(D: D->getPreviousDecl()); |
2278 | (void)Writer.GetDeclRef(D: MostRecent); |
2279 | } else { |
2280 | // We use the sentinel value 0 to indicate an only declaration. |
2281 | Record.push_back(N: 0); |
2282 | } |
2283 | } |
2284 | |
2285 | void ASTDeclWriter::VisitHLSLBufferDecl(HLSLBufferDecl *D) { |
2286 | VisitNamedDecl(D); |
2287 | VisitDeclContext(DC: D); |
2288 | Record.push_back(N: D->isCBuffer()); |
2289 | Record.AddSourceLocation(Loc: D->getLocStart()); |
2290 | Record.AddSourceLocation(Loc: D->getLBraceLoc()); |
2291 | Record.AddSourceLocation(Loc: D->getRBraceLoc()); |
2292 | |
2293 | Code = serialization::DECL_HLSL_BUFFER; |
2294 | } |
2295 | |
2296 | void ASTDeclWriter::VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D) { |
2297 | Record.writeOMPChildren(Data: D->Data); |
2298 | VisitDecl(D); |
2299 | Code = serialization::DECL_OMP_THREADPRIVATE; |
2300 | } |
2301 | |
2302 | void ASTDeclWriter::VisitOMPAllocateDecl(OMPAllocateDecl *D) { |
2303 | Record.writeOMPChildren(Data: D->Data); |
2304 | VisitDecl(D); |
2305 | Code = serialization::DECL_OMP_ALLOCATE; |
2306 | } |
2307 | |
2308 | void ASTDeclWriter::VisitOMPRequiresDecl(OMPRequiresDecl *D) { |
2309 | Record.writeOMPChildren(Data: D->Data); |
2310 | VisitDecl(D); |
2311 | Code = serialization::DECL_OMP_REQUIRES; |
2312 | } |
2313 | |
2314 | void ASTDeclWriter::VisitOMPDeclareReductionDecl(OMPDeclareReductionDecl *D) { |
2315 | static_assert(DeclContext::NumOMPDeclareReductionDeclBits == 15, |
2316 | "You need to update the serializer after you change the " |
2317 | "NumOMPDeclareReductionDeclBits" ); |
2318 | |
2319 | VisitValueDecl(D); |
2320 | Record.AddSourceLocation(Loc: D->getBeginLoc()); |
2321 | Record.AddStmt(S: D->getCombinerIn()); |
2322 | Record.AddStmt(S: D->getCombinerOut()); |
2323 | Record.AddStmt(S: D->getCombiner()); |
2324 | Record.AddStmt(S: D->getInitOrig()); |
2325 | Record.AddStmt(S: D->getInitPriv()); |
2326 | Record.AddStmt(S: D->getInitializer()); |
2327 | Record.push_back(N: llvm::to_underlying(E: D->getInitializerKind())); |
2328 | Record.AddDeclRef(D: D->getPrevDeclInScope()); |
2329 | Code = serialization::DECL_OMP_DECLARE_REDUCTION; |
2330 | } |
2331 | |
2332 | void ASTDeclWriter::VisitOMPDeclareMapperDecl(OMPDeclareMapperDecl *D) { |
2333 | Record.writeOMPChildren(Data: D->Data); |
2334 | VisitValueDecl(D); |
2335 | Record.AddDeclarationName(Name: D->getVarName()); |
2336 | Record.AddDeclRef(D: D->getPrevDeclInScope()); |
2337 | Code = serialization::DECL_OMP_DECLARE_MAPPER; |
2338 | } |
2339 | |
2340 | void ASTDeclWriter::VisitOMPCapturedExprDecl(OMPCapturedExprDecl *D) { |
2341 | VisitVarDecl(D); |
2342 | Code = serialization::DECL_OMP_CAPTUREDEXPR; |
2343 | } |
2344 | |
2345 | void ASTDeclWriter::VisitOpenACCDeclareDecl(OpenACCDeclareDecl *D) { |
2346 | Record.writeUInt32(Value: D->clauses().size()); |
2347 | VisitDecl(D); |
2348 | Record.writeEnum(value: D->DirKind); |
2349 | Record.AddSourceLocation(Loc: D->DirectiveLoc); |
2350 | Record.AddSourceLocation(Loc: D->EndLoc); |
2351 | Record.writeOpenACCClauseList(Clauses: D->clauses()); |
2352 | Code = serialization::DECL_OPENACC_DECLARE; |
2353 | } |
2354 | void ASTDeclWriter::VisitOpenACCRoutineDecl(OpenACCRoutineDecl *D) { |
2355 | Record.writeUInt32(Value: D->clauses().size()); |
2356 | VisitDecl(D); |
2357 | Record.writeEnum(value: D->DirKind); |
2358 | Record.AddSourceLocation(Loc: D->DirectiveLoc); |
2359 | Record.AddSourceLocation(Loc: D->EndLoc); |
2360 | Record.AddSourceRange(Range: D->ParensLoc); |
2361 | Record.AddStmt(S: D->FuncRef); |
2362 | Record.writeOpenACCClauseList(Clauses: D->clauses()); |
2363 | Code = serialization::DECL_OPENACC_ROUTINE; |
2364 | } |
2365 | |
2366 | //===----------------------------------------------------------------------===// |
2367 | // ASTWriter Implementation |
2368 | //===----------------------------------------------------------------------===// |
2369 | |
2370 | namespace { |
2371 | template <FunctionDecl::TemplatedKind Kind> |
2372 | std::shared_ptr<llvm::BitCodeAbbrev> |
2373 | getFunctionDeclAbbrev(serialization::DeclCode Code) { |
2374 | using namespace llvm; |
2375 | |
2376 | auto Abv = std::make_shared<BitCodeAbbrev>(); |
2377 | Abv->Add(OpInfo: BitCodeAbbrevOp(Code)); |
2378 | // RedeclarableDecl |
2379 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // CanonicalDecl |
2380 | Abv->Add(OpInfo: BitCodeAbbrevOp(Kind)); |
2381 | if constexpr (Kind == FunctionDecl::TK_NonTemplate) { |
2382 | |
2383 | } else if constexpr (Kind == FunctionDecl::TK_FunctionTemplate) { |
2384 | // DescribedFunctionTemplate |
2385 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
2386 | } else if constexpr (Kind == FunctionDecl::TK_DependentNonTemplate) { |
2387 | // Instantiated From Decl |
2388 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
2389 | } else if constexpr (Kind == FunctionDecl::TK_MemberSpecialization) { |
2390 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InstantiatedFrom |
2391 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
2392 | 3)); // TemplateSpecializationKind |
2393 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Specialized Location |
2394 | } else if constexpr (Kind == |
2395 | FunctionDecl::TK_FunctionTemplateSpecialization) { |
2396 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Template |
2397 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
2398 | 3)); // TemplateSpecializationKind |
2399 | Abv->Add(OpInfo: BitCodeAbbrevOp(1)); // Template Argument Size |
2400 | Abv->Add(OpInfo: BitCodeAbbrevOp(TemplateArgument::Type)); // Template Argument Kind |
2401 | Abv->Add( |
2402 | OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Template Argument Type |
2403 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Is Defaulted |
2404 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // TemplateArgumentsAsWritten |
2405 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation |
2406 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); |
2407 | Abv->Add( |
2408 | OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Canonical Decl of template |
2409 | } else if constexpr (Kind == FunctionDecl:: |
2410 | TK_DependentFunctionTemplateSpecialization) { |
2411 | // Candidates of specialization |
2412 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
2413 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // TemplateArgumentsAsWritten |
2414 | } else { |
2415 | llvm_unreachable("Unknown templated kind?" ); |
2416 | } |
2417 | // Decl |
2418 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
2419 | 8)); // Packed DeclBits: ModuleOwnershipKind, |
2420 | // isUsed, isReferenced, AccessSpecifier, |
2421 | // isImplicit |
2422 | // |
2423 | // The following bits should be 0: |
2424 | // HasStandaloneLexicalDC, HasAttrs, |
2425 | // TopLevelDeclInObjCContainer, |
2426 | // isInvalidDecl |
2427 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext |
2428 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID |
2429 | // NamedDecl |
2430 | Abv->Add(OpInfo: BitCodeAbbrevOp(DeclarationName::Identifier)); // NameKind |
2431 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Identifier |
2432 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // AnonDeclNumber |
2433 | // ValueDecl |
2434 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type |
2435 | // DeclaratorDecl |
2436 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerLocStart |
2437 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // HasExtInfo |
2438 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TSIType |
2439 | // FunctionDecl |
2440 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 11)); // IDNS |
2441 | Abv->Add(OpInfo: BitCodeAbbrevOp( |
2442 | BitCodeAbbrevOp::Fixed, |
2443 | 28)); // Packed Function Bits: StorageClass, Inline, InlineSpecified, |
2444 | // VirtualAsWritten, Pure, HasInheritedProto, HasWrittenProto, |
2445 | // Deleted, Trivial, TrivialForCall, Defaulted, ExplicitlyDefaulted, |
2446 | // IsIneligibleOrNotSelected, ImplicitReturnZero, Constexpr, |
2447 | // UsesSEHTry, SkippedBody, MultiVersion, LateParsed, |
2448 | // FriendConstraintRefersToEnclosingTemplate, Linkage, |
2449 | // ShouldSkipCheckingODR |
2450 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LocEnd |
2451 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // ODRHash |
2452 | // This Array slurps the rest of the record. Fortunately we want to encode |
2453 | // (nearly) all the remaining (variable number of) fields in the same way. |
2454 | // |
2455 | // This is: |
2456 | // NumParams and Params[] from FunctionDecl, and |
2457 | // NumOverriddenMethods, OverriddenMethods[] from CXXMethodDecl. |
2458 | // |
2459 | // Add an AbbrevOp for 'size then elements' and use it here. |
2460 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
2461 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); |
2462 | return Abv; |
2463 | } |
2464 | |
2465 | template <FunctionDecl::TemplatedKind Kind> |
2466 | std::shared_ptr<llvm::BitCodeAbbrev> getCXXMethodAbbrev() { |
2467 | return getFunctionDeclAbbrev<Kind>(serialization::DECL_CXX_METHOD); |
2468 | } |
2469 | } // namespace |
2470 | |
2471 | void ASTWriter::WriteDeclAbbrevs() { |
2472 | using namespace llvm; |
2473 | |
2474 | std::shared_ptr<BitCodeAbbrev> Abv; |
2475 | |
2476 | // Abbreviation for DECL_FIELD |
2477 | Abv = std::make_shared<BitCodeAbbrev>(); |
2478 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::DECL_FIELD)); |
2479 | // Decl |
2480 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
2481 | 7)); // Packed DeclBits: ModuleOwnershipKind, |
2482 | // isUsed, isReferenced, AccessSpecifier, |
2483 | // |
2484 | // The following bits should be 0: |
2485 | // isImplicit, HasStandaloneLexicalDC, HasAttrs, |
2486 | // TopLevelDeclInObjCContainer, |
2487 | // isInvalidDecl |
2488 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext |
2489 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID |
2490 | // NamedDecl |
2491 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // NameKind = Identifier |
2492 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name |
2493 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // AnonDeclNumber |
2494 | // ValueDecl |
2495 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type |
2496 | // DeclaratorDecl |
2497 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc |
2498 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // hasExtInfo |
2499 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TSIType |
2500 | // FieldDecl |
2501 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isMutable |
2502 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // StorageKind |
2503 | // Type Source Info |
2504 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
2505 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc |
2506 | DeclFieldAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2507 | |
2508 | // Abbreviation for DECL_OBJC_IVAR |
2509 | Abv = std::make_shared<BitCodeAbbrev>(); |
2510 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::DECL_OBJC_IVAR)); |
2511 | // Decl |
2512 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
2513 | 12)); // Packed DeclBits: HasStandaloneLexicalDC, |
2514 | // isInvalidDecl, HasAttrs, isImplicit, isUsed, |
2515 | // isReferenced, TopLevelDeclInObjCContainer, |
2516 | // AccessSpecifier, ModuleOwnershipKind |
2517 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext |
2518 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID |
2519 | // NamedDecl |
2520 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // NameKind = Identifier |
2521 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name |
2522 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // AnonDeclNumber |
2523 | // ValueDecl |
2524 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type |
2525 | // DeclaratorDecl |
2526 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc |
2527 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // hasExtInfo |
2528 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TSIType |
2529 | // FieldDecl |
2530 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isMutable |
2531 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // InitStyle |
2532 | // ObjC Ivar |
2533 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getAccessControl |
2534 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getSynthesize |
2535 | // Type Source Info |
2536 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
2537 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc |
2538 | DeclObjCIvarAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2539 | |
2540 | // Abbreviation for DECL_ENUM |
2541 | Abv = std::make_shared<BitCodeAbbrev>(); |
2542 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::DECL_ENUM)); |
2543 | // Redeclarable |
2544 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // No redeclaration |
2545 | // Decl |
2546 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
2547 | 7)); // Packed DeclBits: ModuleOwnershipKind, |
2548 | // isUsed, isReferenced, AccessSpecifier, |
2549 | // |
2550 | // The following bits should be 0: |
2551 | // isImplicit, HasStandaloneLexicalDC, HasAttrs, |
2552 | // TopLevelDeclInObjCContainer, |
2553 | // isInvalidDecl |
2554 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext |
2555 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID |
2556 | // NamedDecl |
2557 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // NameKind = Identifier |
2558 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name |
2559 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // AnonDeclNumber |
2560 | // TypeDecl |
2561 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location |
2562 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref |
2563 | // TagDecl |
2564 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IdentifierNamespace |
2565 | Abv->Add(OpInfo: BitCodeAbbrevOp( |
2566 | BitCodeAbbrevOp::Fixed, |
2567 | 9)); // Packed Tag Decl Bits: getTagKind, isCompleteDefinition, |
2568 | // EmbeddedInDeclarator, IsFreeStanding, |
2569 | // isCompleteDefinitionRequired, ExtInfoKind |
2570 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation |
2571 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation |
2572 | // EnumDecl |
2573 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // AddTypeRef |
2574 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IntegerType |
2575 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getPromotionType |
2576 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 20)); // Enum Decl Bits |
2577 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));// ODRHash |
2578 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InstantiatedMembEnum |
2579 | // DC |
2580 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalOffset |
2581 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // VisibleOffset |
2582 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ModuleLocalOffset |
2583 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TULocalOffset |
2584 | DeclEnumAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2585 | |
2586 | // Abbreviation for DECL_RECORD |
2587 | Abv = std::make_shared<BitCodeAbbrev>(); |
2588 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::DECL_RECORD)); |
2589 | // Redeclarable |
2590 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // No redeclaration |
2591 | // Decl |
2592 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
2593 | 7)); // Packed DeclBits: ModuleOwnershipKind, |
2594 | // isUsed, isReferenced, AccessSpecifier, |
2595 | // |
2596 | // The following bits should be 0: |
2597 | // isImplicit, HasStandaloneLexicalDC, HasAttrs, |
2598 | // TopLevelDeclInObjCContainer, |
2599 | // isInvalidDecl |
2600 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext |
2601 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID |
2602 | // NamedDecl |
2603 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // NameKind = Identifier |
2604 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name |
2605 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // AnonDeclNumber |
2606 | // TypeDecl |
2607 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location |
2608 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref |
2609 | // TagDecl |
2610 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // IdentifierNamespace |
2611 | Abv->Add(OpInfo: BitCodeAbbrevOp( |
2612 | BitCodeAbbrevOp::Fixed, |
2613 | 9)); // Packed Tag Decl Bits: getTagKind, isCompleteDefinition, |
2614 | // EmbeddedInDeclarator, IsFreeStanding, |
2615 | // isCompleteDefinitionRequired, ExtInfoKind |
2616 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation |
2617 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SourceLocation |
2618 | // RecordDecl |
2619 | Abv->Add(OpInfo: BitCodeAbbrevOp( |
2620 | BitCodeAbbrevOp::Fixed, |
2621 | 14)); // Packed Record Decl Bits: FlexibleArrayMember, |
2622 | // AnonymousStructUnion, hasObjectMember, hasVolatileMember, |
2623 | // isNonTrivialToPrimitiveDefaultInitialize, |
2624 | // isNonTrivialToPrimitiveCopy, isNonTrivialToPrimitiveDestroy, |
2625 | // hasNonTrivialToPrimitiveDefaultInitializeCUnion, |
2626 | // hasNonTrivialToPrimitiveDestructCUnion, |
2627 | // hasNonTrivialToPrimitiveCopyCUnion, |
2628 | // hasUninitializedExplicitInitFields, isParamDestroyedInCallee, |
2629 | // getArgPassingRestrictions |
2630 | // ODRHash |
2631 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 26)); |
2632 | |
2633 | // DC |
2634 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalOffset |
2635 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // VisibleOffset |
2636 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ModuleLocalOffset |
2637 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TULocalOffset |
2638 | DeclRecordAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2639 | |
2640 | // Abbreviation for DECL_PARM_VAR |
2641 | Abv = std::make_shared<BitCodeAbbrev>(); |
2642 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::DECL_PARM_VAR)); |
2643 | // Redeclarable |
2644 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // No redeclaration |
2645 | // Decl |
2646 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
2647 | 8)); // Packed DeclBits: ModuleOwnershipKind, isUsed, |
2648 | // isReferenced, AccessSpecifier, |
2649 | // HasStandaloneLexicalDC, HasAttrs, isImplicit, |
2650 | // TopLevelDeclInObjCContainer, |
2651 | // isInvalidDecl, |
2652 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext |
2653 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID |
2654 | // NamedDecl |
2655 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // NameKind = Identifier |
2656 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name |
2657 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // AnonDeclNumber |
2658 | // ValueDecl |
2659 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type |
2660 | // DeclaratorDecl |
2661 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc |
2662 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // hasExtInfo |
2663 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TSIType |
2664 | // VarDecl |
2665 | Abv->Add( |
2666 | OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
2667 | 12)); // Packed Var Decl bits: SClass, TSCSpec, InitStyle, |
2668 | // isARCPseudoStrong, Linkage, ModulesCodegen |
2669 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // VarKind (local enum) |
2670 | // ParmVarDecl |
2671 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ScopeIndex |
2672 | Abv->Add(OpInfo: BitCodeAbbrevOp( |
2673 | BitCodeAbbrevOp::Fixed, |
2674 | 19)); // Packed Parm Var Decl bits: IsObjCMethodParameter, ScopeDepth, |
2675 | // ObjCDeclQualifier, KNRPromoted, |
2676 | // HasInheritedDefaultArg, HasUninstantiatedDefaultArg |
2677 | // Type Source Info |
2678 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
2679 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc |
2680 | DeclParmVarAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2681 | |
2682 | // Abbreviation for DECL_TYPEDEF |
2683 | Abv = std::make_shared<BitCodeAbbrev>(); |
2684 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::DECL_TYPEDEF)); |
2685 | // Redeclarable |
2686 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // No redeclaration |
2687 | // Decl |
2688 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
2689 | 7)); // Packed DeclBits: ModuleOwnershipKind, |
2690 | // isReferenced, isUsed, AccessSpecifier. Other |
2691 | // higher bits should be 0: isImplicit, |
2692 | // HasStandaloneLexicalDC, HasAttrs, |
2693 | // TopLevelDeclInObjCContainer, isInvalidDecl |
2694 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext |
2695 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID |
2696 | // NamedDecl |
2697 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // NameKind = Identifier |
2698 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name |
2699 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // AnonDeclNumber |
2700 | // TypeDecl |
2701 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location |
2702 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref |
2703 | // TypedefDecl |
2704 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
2705 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc |
2706 | DeclTypedefAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2707 | |
2708 | // Abbreviation for DECL_VAR |
2709 | Abv = std::make_shared<BitCodeAbbrev>(); |
2710 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::DECL_VAR)); |
2711 | // Redeclarable |
2712 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // No redeclaration |
2713 | // Decl |
2714 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
2715 | 12)); // Packed DeclBits: HasStandaloneLexicalDC, |
2716 | // isInvalidDecl, HasAttrs, isImplicit, isUsed, |
2717 | // isReferenced, TopLevelDeclInObjCContainer, |
2718 | // AccessSpecifier, ModuleOwnershipKind |
2719 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext |
2720 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID |
2721 | // NamedDecl |
2722 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // NameKind = Identifier |
2723 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name |
2724 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // AnonDeclNumber |
2725 | // ValueDecl |
2726 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type |
2727 | // DeclaratorDecl |
2728 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // InnerStartLoc |
2729 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // hasExtInfo |
2730 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TSIType |
2731 | // VarDecl |
2732 | Abv->Add(OpInfo: BitCodeAbbrevOp( |
2733 | BitCodeAbbrevOp::Fixed, |
2734 | 22)); // Packed Var Decl bits: Linkage, ModulesCodegen, |
2735 | // SClass, TSCSpec, InitStyle, |
2736 | // isARCPseudoStrong, IsThisDeclarationADemotedDefinition, |
2737 | // isExceptionVariable, isNRVOVariable, isCXXForRangeDecl, |
2738 | // isInline, isInlineSpecified, isConstexpr, |
2739 | // isInitCapture, isPrevDeclInSameScope, hasInitWithSideEffects, |
2740 | // EscapingByref, HasDeducedType, ImplicitParamKind, isObjCForDecl |
2741 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // VarKind (local enum) |
2742 | // Type Source Info |
2743 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Array)); |
2744 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TypeLoc |
2745 | DeclVarAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2746 | |
2747 | // Abbreviation for DECL_CXX_METHOD |
2748 | DeclCXXMethodAbbrev = |
2749 | Stream.EmitAbbrev(Abbv: getCXXMethodAbbrev<FunctionDecl::TK_NonTemplate>()); |
2750 | DeclTemplateCXXMethodAbbrev = Stream.EmitAbbrev( |
2751 | Abbv: getCXXMethodAbbrev<FunctionDecl::TK_FunctionTemplate>()); |
2752 | DeclDependentNonTemplateCXXMethodAbbrev = Stream.EmitAbbrev( |
2753 | Abbv: getCXXMethodAbbrev<FunctionDecl::TK_DependentNonTemplate>()); |
2754 | DeclMemberSpecializedCXXMethodAbbrev = Stream.EmitAbbrev( |
2755 | Abbv: getCXXMethodAbbrev<FunctionDecl::TK_MemberSpecialization>()); |
2756 | DeclTemplateSpecializedCXXMethodAbbrev = Stream.EmitAbbrev( |
2757 | Abbv: getCXXMethodAbbrev<FunctionDecl::TK_FunctionTemplateSpecialization>()); |
2758 | DeclDependentSpecializationCXXMethodAbbrev = Stream.EmitAbbrev( |
2759 | Abbv: getCXXMethodAbbrev< |
2760 | FunctionDecl::TK_DependentFunctionTemplateSpecialization>()); |
2761 | |
2762 | // Abbreviation for DECL_TEMPLATE_TYPE_PARM |
2763 | Abv = std::make_shared<BitCodeAbbrev>(); |
2764 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::DECL_TEMPLATE_TYPE_PARM)); |
2765 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // hasTypeConstraint |
2766 | // Decl |
2767 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
2768 | 7)); // Packed DeclBits: ModuleOwnershipKind, |
2769 | // isReferenced, isUsed, AccessSpecifier. Other |
2770 | // higher bits should be 0: isImplicit, |
2771 | // HasStandaloneLexicalDC, HasAttrs, |
2772 | // TopLevelDeclInObjCContainer, isInvalidDecl |
2773 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext |
2774 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID |
2775 | // NamedDecl |
2776 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // NameKind = Identifier |
2777 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name |
2778 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); |
2779 | // TypeDecl |
2780 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location |
2781 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type Ref |
2782 | // TemplateTypeParmDecl |
2783 | Abv->Add( |
2784 | OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // wasDeclaredWithTypename |
2785 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // OwnsDefaultArg |
2786 | DeclTemplateTypeParmAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2787 | |
2788 | // Abbreviation for DECL_USING_SHADOW |
2789 | Abv = std::make_shared<BitCodeAbbrev>(); |
2790 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::DECL_USING_SHADOW)); |
2791 | // Redeclarable |
2792 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // No redeclaration |
2793 | // Decl |
2794 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, |
2795 | 12)); // Packed DeclBits: HasStandaloneLexicalDC, |
2796 | // isInvalidDecl, HasAttrs, isImplicit, isUsed, |
2797 | // isReferenced, TopLevelDeclInObjCContainer, |
2798 | // AccessSpecifier, ModuleOwnershipKind |
2799 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclContext |
2800 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // SubmoduleID |
2801 | // NamedDecl |
2802 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // NameKind = Identifier |
2803 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Name |
2804 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); |
2805 | // UsingShadowDecl |
2806 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // TargetDecl |
2807 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 11)); // IDNS |
2808 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // UsingOrNextShadow |
2809 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, |
2810 | 6)); // InstantiatedFromUsingShadowDecl |
2811 | DeclUsingShadowAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2812 | |
2813 | // Abbreviation for EXPR_DECL_REF |
2814 | Abv = std::make_shared<BitCodeAbbrev>(); |
2815 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::EXPR_DECL_REF)); |
2816 | // Stmt |
2817 | // Expr |
2818 | // PackingBits: DependenceKind, ValueKind. ObjectKind should be 0. |
2819 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 7)); |
2820 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type |
2821 | // DeclRefExpr |
2822 | // Packing Bits: , HadMultipleCandidates, RefersToEnclosingVariableOrCapture, |
2823 | // IsImmediateEscalating, NonOdrUseReason. |
2824 | // GetDeclFound, HasQualifier and ExplicitTemplateArgs should be 0. |
2825 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 5)); |
2826 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // DeclRef |
2827 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location |
2828 | DeclRefExprAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2829 | |
2830 | // Abbreviation for EXPR_INTEGER_LITERAL |
2831 | Abv = std::make_shared<BitCodeAbbrev>(); |
2832 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::EXPR_INTEGER_LITERAL)); |
2833 | //Stmt |
2834 | // Expr |
2835 | // DependenceKind, ValueKind, ObjectKind |
2836 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 10)); |
2837 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type |
2838 | // Integer Literal |
2839 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location |
2840 | Abv->Add(OpInfo: BitCodeAbbrevOp(32)); // Bit Width |
2841 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Value |
2842 | IntegerLiteralAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2843 | |
2844 | // Abbreviation for EXPR_CHARACTER_LITERAL |
2845 | Abv = std::make_shared<BitCodeAbbrev>(); |
2846 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::EXPR_CHARACTER_LITERAL)); |
2847 | //Stmt |
2848 | // Expr |
2849 | // DependenceKind, ValueKind, ObjectKind |
2850 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 10)); |
2851 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type |
2852 | // Character Literal |
2853 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // getValue |
2854 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Location |
2855 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // getKind |
2856 | CharacterLiteralAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2857 | |
2858 | // Abbreviation for EXPR_IMPLICIT_CAST |
2859 | Abv = std::make_shared<BitCodeAbbrev>(); |
2860 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::EXPR_IMPLICIT_CAST)); |
2861 | // Stmt |
2862 | // Expr |
2863 | // Packing Bits: DependenceKind, ValueKind, ObjectKind, |
2864 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 10)); |
2865 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type |
2866 | // CastExpr |
2867 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // PathSize |
2868 | // Packing Bits: CastKind, StoredFPFeatures, isPartOfExplicitCast |
2869 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 9)); |
2870 | // ImplicitCastExpr |
2871 | ExprImplicitCastAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2872 | |
2873 | // Abbreviation for EXPR_BINARY_OPERATOR |
2874 | Abv = std::make_shared<BitCodeAbbrev>(); |
2875 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::EXPR_BINARY_OPERATOR)); |
2876 | // Stmt |
2877 | // Expr |
2878 | // Packing Bits: DependenceKind. ValueKind and ObjectKind should |
2879 | // be 0 in this case. |
2880 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 5)); |
2881 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type |
2882 | // BinaryOperator |
2883 | Abv->Add( |
2884 | OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // OpCode and HasFPFeatures |
2885 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location |
2886 | BinaryOperatorAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2887 | |
2888 | // Abbreviation for EXPR_COMPOUND_ASSIGN_OPERATOR |
2889 | Abv = std::make_shared<BitCodeAbbrev>(); |
2890 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::EXPR_COMPOUND_ASSIGN_OPERATOR)); |
2891 | // Stmt |
2892 | // Expr |
2893 | // Packing Bits: DependenceKind. ValueKind and ObjectKind should |
2894 | // be 0 in this case. |
2895 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 5)); |
2896 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type |
2897 | // BinaryOperator |
2898 | // Packing Bits: OpCode. The HasFPFeatures bit should be 0 |
2899 | Abv->Add( |
2900 | OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // OpCode and HasFPFeatures |
2901 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location |
2902 | // CompoundAssignOperator |
2903 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LHSType |
2904 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Result Type |
2905 | CompoundAssignOperatorAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2906 | |
2907 | // Abbreviation for EXPR_CALL |
2908 | Abv = std::make_shared<BitCodeAbbrev>(); |
2909 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::EXPR_CALL)); |
2910 | // Stmt |
2911 | // Expr |
2912 | // Packing Bits: DependenceKind, ValueKind, ObjectKind, |
2913 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 10)); |
2914 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type |
2915 | // CallExpr |
2916 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // NumArgs |
2917 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // ADLCallKind |
2918 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location |
2919 | CallExprAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2920 | |
2921 | // Abbreviation for EXPR_CXX_OPERATOR_CALL |
2922 | Abv = std::make_shared<BitCodeAbbrev>(); |
2923 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::EXPR_CXX_OPERATOR_CALL)); |
2924 | // Stmt |
2925 | // Expr |
2926 | // Packing Bits: DependenceKind, ValueKind, ObjectKind, |
2927 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 10)); |
2928 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type |
2929 | // CallExpr |
2930 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // NumArgs |
2931 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // ADLCallKind |
2932 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location |
2933 | // CXXOperatorCallExpr |
2934 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Operator Kind |
2935 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location |
2936 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location |
2937 | CXXOperatorCallExprAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2938 | |
2939 | // Abbreviation for EXPR_CXX_MEMBER_CALL |
2940 | Abv = std::make_shared<BitCodeAbbrev>(); |
2941 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::EXPR_CXX_MEMBER_CALL)); |
2942 | // Stmt |
2943 | // Expr |
2944 | // Packing Bits: DependenceKind, ValueKind, ObjectKind, |
2945 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 10)); |
2946 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Type |
2947 | // CallExpr |
2948 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // NumArgs |
2949 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // ADLCallKind |
2950 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location |
2951 | // CXXMemberCallExpr |
2952 | CXXMemberCallExprAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2953 | |
2954 | // Abbreviation for STMT_COMPOUND |
2955 | Abv = std::make_shared<BitCodeAbbrev>(); |
2956 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::STMT_COMPOUND)); |
2957 | // Stmt |
2958 | // CompoundStmt |
2959 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Num Stmts |
2960 | Abv->Add(OpInfo: BitCodeAbbrevOp(0)); // hasStoredFPFeatures |
2961 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location |
2962 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Source Location |
2963 | CompoundStmtAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2964 | |
2965 | Abv = std::make_shared<BitCodeAbbrev>(); |
2966 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::DECL_CONTEXT_LEXICAL)); |
2967 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); |
2968 | DeclContextLexicalAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2969 | |
2970 | Abv = std::make_shared<BitCodeAbbrev>(); |
2971 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::DECL_CONTEXT_VISIBLE)); |
2972 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); |
2973 | DeclContextVisibleLookupAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2974 | |
2975 | Abv = std::make_shared<BitCodeAbbrev>(); |
2976 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::DECL_CONTEXT_MODULE_LOCAL_VISIBLE)); |
2977 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); |
2978 | DeclModuleLocalVisibleLookupAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2979 | |
2980 | Abv = std::make_shared<BitCodeAbbrev>(); |
2981 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::DECL_CONTEXT_TU_LOCAL_VISIBLE)); |
2982 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); |
2983 | DeclTULocalLookupAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2984 | |
2985 | Abv = std::make_shared<BitCodeAbbrev>(); |
2986 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::DECL_SPECIALIZATIONS)); |
2987 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); |
2988 | DeclSpecializationsAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2989 | |
2990 | Abv = std::make_shared<BitCodeAbbrev>(); |
2991 | Abv->Add(OpInfo: BitCodeAbbrevOp(serialization::DECL_PARTIAL_SPECIALIZATIONS)); |
2992 | Abv->Add(OpInfo: BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); |
2993 | DeclPartialSpecializationsAbbrev = Stream.EmitAbbrev(Abbv: std::move(Abv)); |
2994 | } |
2995 | |
2996 | /// isRequiredDecl - Check if this is a "required" Decl, which must be seen by |
2997 | /// consumers of the AST. |
2998 | /// |
2999 | /// Such decls will always be deserialized from the AST file, so we would like |
3000 | /// this to be as restrictive as possible. Currently the predicate is driven by |
3001 | /// code generation requirements, if other clients have a different notion of |
3002 | /// what is "required" then we may have to consider an alternate scheme where |
3003 | /// clients can iterate over the top-level decls and get information on them, |
3004 | /// without necessary deserializing them. We could explicitly require such |
3005 | /// clients to use a separate API call to "realize" the decl. This should be |
3006 | /// relatively painless since they would presumably only do it for top-level |
3007 | /// decls. |
3008 | static bool isRequiredDecl(const Decl *D, ASTContext &Context, |
3009 | Module *WritingModule) { |
3010 | // Named modules have different semantics than header modules. Every named |
3011 | // module units owns a translation unit. So the importer of named modules |
3012 | // doesn't need to deserilize everything ahead of time. |
3013 | if (WritingModule && WritingModule->isNamedModule()) { |
3014 | // The PragmaCommentDecl and PragmaDetectMismatchDecl are MSVC's extension. |
3015 | // And the behavior of MSVC for such cases will leak this to the module |
3016 | // users. Given pragma is not a standard thing, the compiler has the space |
3017 | // to do their own decision. Let's follow MSVC here. |
3018 | if (isa<PragmaCommentDecl, PragmaDetectMismatchDecl>(Val: D)) |
3019 | return true; |
3020 | return false; |
3021 | } |
3022 | |
3023 | // An ObjCMethodDecl is never considered as "required" because its |
3024 | // implementation container always is. |
3025 | |
3026 | // File scoped assembly or obj-c or OMP declare target implementation must be |
3027 | // seen. |
3028 | if (isa<FileScopeAsmDecl, TopLevelStmtDecl, ObjCImplDecl>(Val: D)) |
3029 | return true; |
3030 | |
3031 | if (WritingModule && isPartOfPerModuleInitializer(D)) { |
3032 | // These declarations are part of the module initializer, and are emitted |
3033 | // if and when the module is imported, rather than being emitted eagerly. |
3034 | return false; |
3035 | } |
3036 | |
3037 | return Context.DeclMustBeEmitted(D); |
3038 | } |
3039 | |
3040 | void ASTWriter::WriteDecl(ASTContext &Context, Decl *D) { |
3041 | PrettyDeclStackTraceEntry CrashInfo(Context, D, SourceLocation(), |
3042 | "serializing" ); |
3043 | |
3044 | // Determine the ID for this declaration. |
3045 | LocalDeclID ID; |
3046 | assert(!D->isFromASTFile() && "should not be emitting imported decl" ); |
3047 | LocalDeclID &IDR = DeclIDs[D]; |
3048 | if (IDR.isInvalid()) |
3049 | IDR = NextDeclID++; |
3050 | |
3051 | ID = IDR; |
3052 | |
3053 | assert(ID >= FirstDeclID && "invalid decl ID" ); |
3054 | |
3055 | RecordData Record; |
3056 | ASTDeclWriter W(*this, Context, Record, GeneratingReducedBMI); |
3057 | |
3058 | // Build a record for this declaration |
3059 | W.Visit(D); |
3060 | |
3061 | // Emit this declaration to the bitstream. |
3062 | uint64_t Offset = W.Emit(D); |
3063 | |
3064 | // Record the offset for this declaration |
3065 | SourceLocation Loc = D->getLocation(); |
3066 | SourceLocationEncoding::RawLocEncoding RawLoc = |
3067 | getRawSourceLocationEncoding(Loc: getAdjustedLocation(Loc)); |
3068 | |
3069 | unsigned Index = ID.getRawValue() - FirstDeclID.getRawValue(); |
3070 | if (DeclOffsets.size() == Index) |
3071 | DeclOffsets.emplace_back(args&: RawLoc, args&: Offset, args&: DeclTypesBlockStartOffset); |
3072 | else if (DeclOffsets.size() < Index) { |
3073 | // FIXME: Can/should this happen? |
3074 | DeclOffsets.resize(new_size: Index+1); |
3075 | DeclOffsets[Index].setRawLoc(RawLoc); |
3076 | DeclOffsets[Index].setBitOffset(Offset, DeclTypesBlockStartOffset); |
3077 | } else { |
3078 | llvm_unreachable("declarations should be emitted in ID order" ); |
3079 | } |
3080 | |
3081 | SourceManager &SM = Context.getSourceManager(); |
3082 | if (Loc.isValid() && SM.isLocalSourceLocation(Loc)) |
3083 | associateDeclWithFile(D, ID); |
3084 | |
3085 | // Note declarations that should be deserialized eagerly so that we can add |
3086 | // them to a record in the AST file later. |
3087 | if (isRequiredDecl(D, Context, WritingModule)) |
3088 | AddDeclRef(D, Record&: EagerlyDeserializedDecls); |
3089 | } |
3090 | |
3091 | void ASTRecordWriter::AddFunctionDefinition(const FunctionDecl *FD) { |
3092 | // Switch case IDs are per function body. |
3093 | Writer->ClearSwitchCaseIDs(); |
3094 | |
3095 | assert(FD->doesThisDeclarationHaveABody()); |
3096 | bool ModulesCodegen = shouldFunctionGenerateHereOnly(FD); |
3097 | Record->push_back(Elt: ModulesCodegen); |
3098 | if (ModulesCodegen) |
3099 | Writer->AddDeclRef(D: FD, Record&: Writer->ModularCodegenDecls); |
3100 | if (auto *CD = dyn_cast<CXXConstructorDecl>(Val: FD)) { |
3101 | Record->push_back(Elt: CD->getNumCtorInitializers()); |
3102 | if (CD->getNumCtorInitializers()) |
3103 | AddCXXCtorInitializers(CtorInits: llvm::ArrayRef(CD->init_begin(), CD->init_end())); |
3104 | } |
3105 | AddStmt(S: FD->getBody()); |
3106 | } |
3107 | |