1 //===--- MultiplexExternalSemaSource.cpp ---------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file implements the event dispatching to the subscribed clients. 10 // 11 //===----------------------------------------------------------------------===// 12 #include "clang/Sema/MultiplexExternalSemaSource.h" 13 #include "clang/Sema/Lookup.h" 14 15 using namespace clang; 16 17 char MultiplexExternalSemaSource::ID; 18 19 /// Constructs a new multiplexing external sema source and appends the 20 /// given element to it. 21 /// 22 MultiplexExternalSemaSource::MultiplexExternalSemaSource( 23 ExternalSemaSource *S1, ExternalSemaSource *S2) { 24 S1->Retain(); 25 S2->Retain(); 26 Sources.push_back(S1); 27 Sources.push_back(S2); 28 } 29 30 // pin the vtable here. 31 MultiplexExternalSemaSource::~MultiplexExternalSemaSource() { 32 for (auto *S : Sources) 33 S->Release(); 34 } 35 36 /// Appends new source to the source list. 37 /// 38 ///\param[in] source - An ExternalSemaSource. 39 /// 40 void MultiplexExternalSemaSource::AddSource(ExternalSemaSource *Source) { 41 Source->Retain(); 42 Sources.push_back(Source); 43 } 44 45 //===----------------------------------------------------------------------===// 46 // ExternalASTSource. 47 //===----------------------------------------------------------------------===// 48 49 Decl *MultiplexExternalSemaSource::GetExternalDecl(GlobalDeclID ID) { 50 for(size_t i = 0; i < Sources.size(); ++i) 51 if (Decl *Result = Sources[i]->GetExternalDecl(ID)) 52 return Result; 53 return nullptr; 54 } 55 56 void MultiplexExternalSemaSource::CompleteRedeclChain(const Decl *D) { 57 for (size_t i = 0; i < Sources.size(); ++i) 58 Sources[i]->CompleteRedeclChain(D); 59 } 60 61 Selector MultiplexExternalSemaSource::GetExternalSelector(uint32_t ID) { 62 Selector Sel; 63 for(size_t i = 0; i < Sources.size(); ++i) { 64 Sel = Sources[i]->GetExternalSelector(ID); 65 if (!Sel.isNull()) 66 return Sel; 67 } 68 return Sel; 69 } 70 71 uint32_t MultiplexExternalSemaSource::GetNumExternalSelectors() { 72 uint32_t total = 0; 73 for(size_t i = 0; i < Sources.size(); ++i) 74 total += Sources[i]->GetNumExternalSelectors(); 75 return total; 76 } 77 78 Stmt *MultiplexExternalSemaSource::GetExternalDeclStmt(uint64_t Offset) { 79 for(size_t i = 0; i < Sources.size(); ++i) 80 if (Stmt *Result = Sources[i]->GetExternalDeclStmt(Offset)) 81 return Result; 82 return nullptr; 83 } 84 85 CXXBaseSpecifier *MultiplexExternalSemaSource::GetExternalCXXBaseSpecifiers( 86 uint64_t Offset){ 87 for(size_t i = 0; i < Sources.size(); ++i) 88 if (CXXBaseSpecifier *R = Sources[i]->GetExternalCXXBaseSpecifiers(Offset)) 89 return R; 90 return nullptr; 91 } 92 93 CXXCtorInitializer ** 94 MultiplexExternalSemaSource::GetExternalCXXCtorInitializers(uint64_t Offset) { 95 for (auto *S : Sources) 96 if (auto *R = S->GetExternalCXXCtorInitializers(Offset)) 97 return R; 98 return nullptr; 99 } 100 101 ExternalASTSource::ExtKind 102 MultiplexExternalSemaSource::hasExternalDefinitions(const Decl *D) { 103 for (const auto &S : Sources) 104 if (auto EK = S->hasExternalDefinitions(D)) 105 if (EK != EK_ReplyHazy) 106 return EK; 107 return EK_ReplyHazy; 108 } 109 110 bool MultiplexExternalSemaSource::FindExternalVisibleDeclsByName( 111 const DeclContext *DC, DeclarationName Name, 112 const DeclContext *OriginalDC) { 113 bool AnyDeclsFound = false; 114 for (size_t i = 0; i < Sources.size(); ++i) 115 AnyDeclsFound |= 116 Sources[i]->FindExternalVisibleDeclsByName(DC, Name, OriginalDC); 117 return AnyDeclsFound; 118 } 119 120 bool MultiplexExternalSemaSource::LoadExternalSpecializations( 121 const Decl *D, bool OnlyPartial) { 122 bool Loaded = false; 123 for (size_t i = 0; i < Sources.size(); ++i) 124 Loaded |= Sources[i]->LoadExternalSpecializations(D, OnlyPartial); 125 return Loaded; 126 } 127 128 bool MultiplexExternalSemaSource::LoadExternalSpecializations( 129 const Decl *D, ArrayRef<TemplateArgument> TemplateArgs) { 130 bool AnyNewSpecsLoaded = false; 131 for (size_t i = 0; i < Sources.size(); ++i) 132 AnyNewSpecsLoaded |= 133 Sources[i]->LoadExternalSpecializations(D, TemplateArgs); 134 return AnyNewSpecsLoaded; 135 } 136 137 void MultiplexExternalSemaSource::completeVisibleDeclsMap(const DeclContext *DC){ 138 for(size_t i = 0; i < Sources.size(); ++i) 139 Sources[i]->completeVisibleDeclsMap(DC); 140 } 141 142 void MultiplexExternalSemaSource::FindExternalLexicalDecls( 143 const DeclContext *DC, llvm::function_ref<bool(Decl::Kind)> IsKindWeWant, 144 SmallVectorImpl<Decl *> &Result) { 145 for(size_t i = 0; i < Sources.size(); ++i) 146 Sources[i]->FindExternalLexicalDecls(DC, IsKindWeWant, Result); 147 } 148 149 void MultiplexExternalSemaSource::FindFileRegionDecls(FileID File, 150 unsigned Offset, 151 unsigned Length, 152 SmallVectorImpl<Decl *> &Decls){ 153 for(size_t i = 0; i < Sources.size(); ++i) 154 Sources[i]->FindFileRegionDecls(File, Offset, Length, Decls); 155 } 156 157 void MultiplexExternalSemaSource::CompleteType(TagDecl *Tag) { 158 for(size_t i = 0; i < Sources.size(); ++i) 159 Sources[i]->CompleteType(Tag); 160 } 161 162 void MultiplexExternalSemaSource::CompleteType(ObjCInterfaceDecl *Class) { 163 for(size_t i = 0; i < Sources.size(); ++i) 164 Sources[i]->CompleteType(Class); 165 } 166 167 void MultiplexExternalSemaSource::ReadComments() { 168 for(size_t i = 0; i < Sources.size(); ++i) 169 Sources[i]->ReadComments(); 170 } 171 172 void MultiplexExternalSemaSource::StartedDeserializing() { 173 for(size_t i = 0; i < Sources.size(); ++i) 174 Sources[i]->StartedDeserializing(); 175 } 176 177 void MultiplexExternalSemaSource::FinishedDeserializing() { 178 for(size_t i = 0; i < Sources.size(); ++i) 179 Sources[i]->FinishedDeserializing(); 180 } 181 182 void MultiplexExternalSemaSource::StartTranslationUnit(ASTConsumer *Consumer) { 183 for(size_t i = 0; i < Sources.size(); ++i) 184 Sources[i]->StartTranslationUnit(Consumer); 185 } 186 187 void MultiplexExternalSemaSource::PrintStats() { 188 for(size_t i = 0; i < Sources.size(); ++i) 189 Sources[i]->PrintStats(); 190 } 191 192 Module *MultiplexExternalSemaSource::getModule(unsigned ID) { 193 for (size_t i = 0; i < Sources.size(); ++i) 194 if (auto M = Sources[i]->getModule(ID)) 195 return M; 196 return nullptr; 197 } 198 199 bool MultiplexExternalSemaSource::layoutRecordType(const RecordDecl *Record, 200 uint64_t &Size, 201 uint64_t &Alignment, 202 llvm::DenseMap<const FieldDecl *, uint64_t> &FieldOffsets, 203 llvm::DenseMap<const CXXRecordDecl *, CharUnits> &BaseOffsets, 204 llvm::DenseMap<const CXXRecordDecl *, CharUnits> &VirtualBaseOffsets){ 205 for(size_t i = 0; i < Sources.size(); ++i) 206 if (Sources[i]->layoutRecordType(Record, Size, Alignment, FieldOffsets, 207 BaseOffsets, VirtualBaseOffsets)) 208 return true; 209 return false; 210 } 211 212 void MultiplexExternalSemaSource:: 213 getMemoryBufferSizes(MemoryBufferSizes &sizes) const { 214 for(size_t i = 0; i < Sources.size(); ++i) 215 Sources[i]->getMemoryBufferSizes(sizes); 216 217 } 218 219 //===----------------------------------------------------------------------===// 220 // ExternalSemaSource. 221 //===----------------------------------------------------------------------===// 222 223 224 void MultiplexExternalSemaSource::InitializeSema(Sema &S) { 225 for(size_t i = 0; i < Sources.size(); ++i) 226 Sources[i]->InitializeSema(S); 227 } 228 229 void MultiplexExternalSemaSource::ForgetSema() { 230 for(size_t i = 0; i < Sources.size(); ++i) 231 Sources[i]->ForgetSema(); 232 } 233 234 void MultiplexExternalSemaSource::ReadMethodPool(Selector Sel) { 235 for(size_t i = 0; i < Sources.size(); ++i) 236 Sources[i]->ReadMethodPool(Sel); 237 } 238 239 void MultiplexExternalSemaSource::updateOutOfDateSelector(Selector Sel) { 240 for(size_t i = 0; i < Sources.size(); ++i) 241 Sources[i]->updateOutOfDateSelector(Sel); 242 } 243 244 void MultiplexExternalSemaSource::ReadKnownNamespaces( 245 SmallVectorImpl<NamespaceDecl*> &Namespaces){ 246 for(size_t i = 0; i < Sources.size(); ++i) 247 Sources[i]->ReadKnownNamespaces(Namespaces); 248 } 249 250 void MultiplexExternalSemaSource::ReadUndefinedButUsed( 251 llvm::MapVector<NamedDecl *, SourceLocation> &Undefined) { 252 for(size_t i = 0; i < Sources.size(); ++i) 253 Sources[i]->ReadUndefinedButUsed(Undefined); 254 } 255 256 void MultiplexExternalSemaSource::ReadMismatchingDeleteExpressions( 257 llvm::MapVector<FieldDecl *, 258 llvm::SmallVector<std::pair<SourceLocation, bool>, 4>> & 259 Exprs) { 260 for (auto &Source : Sources) 261 Source->ReadMismatchingDeleteExpressions(Exprs); 262 } 263 264 bool MultiplexExternalSemaSource::LookupUnqualified(LookupResult &R, Scope *S){ 265 for(size_t i = 0; i < Sources.size(); ++i) 266 Sources[i]->LookupUnqualified(R, S); 267 268 return !R.empty(); 269 } 270 271 void MultiplexExternalSemaSource::ReadTentativeDefinitions( 272 SmallVectorImpl<VarDecl*> &TentativeDefs) { 273 for(size_t i = 0; i < Sources.size(); ++i) 274 Sources[i]->ReadTentativeDefinitions(TentativeDefs); 275 } 276 277 void MultiplexExternalSemaSource::ReadUnusedFileScopedDecls( 278 SmallVectorImpl<const DeclaratorDecl*> &Decls) { 279 for(size_t i = 0; i < Sources.size(); ++i) 280 Sources[i]->ReadUnusedFileScopedDecls(Decls); 281 } 282 283 void MultiplexExternalSemaSource::ReadDelegatingConstructors( 284 SmallVectorImpl<CXXConstructorDecl*> &Decls) { 285 for(size_t i = 0; i < Sources.size(); ++i) 286 Sources[i]->ReadDelegatingConstructors(Decls); 287 } 288 289 void MultiplexExternalSemaSource::ReadExtVectorDecls( 290 SmallVectorImpl<TypedefNameDecl*> &Decls) { 291 for(size_t i = 0; i < Sources.size(); ++i) 292 Sources[i]->ReadExtVectorDecls(Decls); 293 } 294 295 void MultiplexExternalSemaSource::ReadDeclsToCheckForDeferredDiags( 296 llvm::SmallSetVector<Decl *, 4> &Decls) { 297 for(size_t i = 0; i < Sources.size(); ++i) 298 Sources[i]->ReadDeclsToCheckForDeferredDiags(Decls); 299 } 300 301 void MultiplexExternalSemaSource::ReadUnusedLocalTypedefNameCandidates( 302 llvm::SmallSetVector<const TypedefNameDecl *, 4> &Decls) { 303 for(size_t i = 0; i < Sources.size(); ++i) 304 Sources[i]->ReadUnusedLocalTypedefNameCandidates(Decls); 305 } 306 307 void MultiplexExternalSemaSource::ReadReferencedSelectors( 308 SmallVectorImpl<std::pair<Selector, SourceLocation> > &Sels) { 309 for(size_t i = 0; i < Sources.size(); ++i) 310 Sources[i]->ReadReferencedSelectors(Sels); 311 } 312 313 void MultiplexExternalSemaSource::ReadWeakUndeclaredIdentifiers( 314 SmallVectorImpl<std::pair<IdentifierInfo*, WeakInfo> > &WI) { 315 for(size_t i = 0; i < Sources.size(); ++i) 316 Sources[i]->ReadWeakUndeclaredIdentifiers(WI); 317 } 318 319 void MultiplexExternalSemaSource::ReadUsedVTables( 320 SmallVectorImpl<ExternalVTableUse> &VTables) { 321 for(size_t i = 0; i < Sources.size(); ++i) 322 Sources[i]->ReadUsedVTables(VTables); 323 } 324 325 void MultiplexExternalSemaSource::ReadPendingInstantiations( 326 SmallVectorImpl<std::pair<ValueDecl*, 327 SourceLocation> > &Pending) { 328 for(size_t i = 0; i < Sources.size(); ++i) 329 Sources[i]->ReadPendingInstantiations(Pending); 330 } 331 332 void MultiplexExternalSemaSource::ReadLateParsedTemplates( 333 llvm::MapVector<const FunctionDecl *, std::unique_ptr<LateParsedTemplate>> 334 &LPTMap) { 335 for (size_t i = 0; i < Sources.size(); ++i) 336 Sources[i]->ReadLateParsedTemplates(LPTMap); 337 } 338 339 TypoCorrection MultiplexExternalSemaSource::CorrectTypo( 340 const DeclarationNameInfo &Typo, 341 int LookupKind, Scope *S, CXXScopeSpec *SS, 342 CorrectionCandidateCallback &CCC, 343 DeclContext *MemberContext, 344 bool EnteringContext, 345 const ObjCObjectPointerType *OPT) { 346 for (size_t I = 0, E = Sources.size(); I < E; ++I) { 347 if (TypoCorrection C = Sources[I]->CorrectTypo(Typo, LookupKind, S, SS, CCC, 348 MemberContext, 349 EnteringContext, OPT)) 350 return C; 351 } 352 return TypoCorrection(); 353 } 354 355 bool MultiplexExternalSemaSource::MaybeDiagnoseMissingCompleteType( 356 SourceLocation Loc, QualType T) { 357 for (size_t I = 0, E = Sources.size(); I < E; ++I) { 358 if (Sources[I]->MaybeDiagnoseMissingCompleteType(Loc, T)) 359 return true; 360 } 361 return false; 362 } 363 364 void MultiplexExternalSemaSource::AssignedLambdaNumbering( 365 CXXRecordDecl *Lambda) { 366 for (auto *Source : Sources) 367 Source->AssignedLambdaNumbering(Lambda); 368 } 369