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(uint32_t 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:: 111 FindExternalVisibleDeclsByName(const DeclContext *DC, DeclarationName Name) { 112 bool AnyDeclsFound = false; 113 for (size_t i = 0; i < Sources.size(); ++i) 114 AnyDeclsFound |= Sources[i]->FindExternalVisibleDeclsByName(DC, Name); 115 return AnyDeclsFound; 116 } 117 118 void MultiplexExternalSemaSource::completeVisibleDeclsMap(const DeclContext *DC){ 119 for(size_t i = 0; i < Sources.size(); ++i) 120 Sources[i]->completeVisibleDeclsMap(DC); 121 } 122 123 void MultiplexExternalSemaSource::FindExternalLexicalDecls( 124 const DeclContext *DC, llvm::function_ref<bool(Decl::Kind)> IsKindWeWant, 125 SmallVectorImpl<Decl *> &Result) { 126 for(size_t i = 0; i < Sources.size(); ++i) 127 Sources[i]->FindExternalLexicalDecls(DC, IsKindWeWant, Result); 128 } 129 130 void MultiplexExternalSemaSource::FindFileRegionDecls(FileID File, 131 unsigned Offset, 132 unsigned Length, 133 SmallVectorImpl<Decl *> &Decls){ 134 for(size_t i = 0; i < Sources.size(); ++i) 135 Sources[i]->FindFileRegionDecls(File, Offset, Length, Decls); 136 } 137 138 void MultiplexExternalSemaSource::CompleteType(TagDecl *Tag) { 139 for(size_t i = 0; i < Sources.size(); ++i) 140 Sources[i]->CompleteType(Tag); 141 } 142 143 void MultiplexExternalSemaSource::CompleteType(ObjCInterfaceDecl *Class) { 144 for(size_t i = 0; i < Sources.size(); ++i) 145 Sources[i]->CompleteType(Class); 146 } 147 148 void MultiplexExternalSemaSource::ReadComments() { 149 for(size_t i = 0; i < Sources.size(); ++i) 150 Sources[i]->ReadComments(); 151 } 152 153 void MultiplexExternalSemaSource::StartedDeserializing() { 154 for(size_t i = 0; i < Sources.size(); ++i) 155 Sources[i]->StartedDeserializing(); 156 } 157 158 void MultiplexExternalSemaSource::FinishedDeserializing() { 159 for(size_t i = 0; i < Sources.size(); ++i) 160 Sources[i]->FinishedDeserializing(); 161 } 162 163 void MultiplexExternalSemaSource::StartTranslationUnit(ASTConsumer *Consumer) { 164 for(size_t i = 0; i < Sources.size(); ++i) 165 Sources[i]->StartTranslationUnit(Consumer); 166 } 167 168 void MultiplexExternalSemaSource::PrintStats() { 169 for(size_t i = 0; i < Sources.size(); ++i) 170 Sources[i]->PrintStats(); 171 } 172 173 Module *MultiplexExternalSemaSource::getModule(unsigned ID) { 174 for (size_t i = 0; i < Sources.size(); ++i) 175 if (auto M = Sources[i]->getModule(ID)) 176 return M; 177 return nullptr; 178 } 179 180 bool MultiplexExternalSemaSource::layoutRecordType(const RecordDecl *Record, 181 uint64_t &Size, 182 uint64_t &Alignment, 183 llvm::DenseMap<const FieldDecl *, uint64_t> &FieldOffsets, 184 llvm::DenseMap<const CXXRecordDecl *, CharUnits> &BaseOffsets, 185 llvm::DenseMap<const CXXRecordDecl *, CharUnits> &VirtualBaseOffsets){ 186 for(size_t i = 0; i < Sources.size(); ++i) 187 if (Sources[i]->layoutRecordType(Record, Size, Alignment, FieldOffsets, 188 BaseOffsets, VirtualBaseOffsets)) 189 return true; 190 return false; 191 } 192 193 void MultiplexExternalSemaSource:: 194 getMemoryBufferSizes(MemoryBufferSizes &sizes) const { 195 for(size_t i = 0; i < Sources.size(); ++i) 196 Sources[i]->getMemoryBufferSizes(sizes); 197 198 } 199 200 //===----------------------------------------------------------------------===// 201 // ExternalSemaSource. 202 //===----------------------------------------------------------------------===// 203 204 205 void MultiplexExternalSemaSource::InitializeSema(Sema &S) { 206 for(size_t i = 0; i < Sources.size(); ++i) 207 Sources[i]->InitializeSema(S); 208 } 209 210 void MultiplexExternalSemaSource::ForgetSema() { 211 for(size_t i = 0; i < Sources.size(); ++i) 212 Sources[i]->ForgetSema(); 213 } 214 215 void MultiplexExternalSemaSource::ReadMethodPool(Selector Sel) { 216 for(size_t i = 0; i < Sources.size(); ++i) 217 Sources[i]->ReadMethodPool(Sel); 218 } 219 220 void MultiplexExternalSemaSource::updateOutOfDateSelector(Selector Sel) { 221 for(size_t i = 0; i < Sources.size(); ++i) 222 Sources[i]->updateOutOfDateSelector(Sel); 223 } 224 225 void MultiplexExternalSemaSource::ReadKnownNamespaces( 226 SmallVectorImpl<NamespaceDecl*> &Namespaces){ 227 for(size_t i = 0; i < Sources.size(); ++i) 228 Sources[i]->ReadKnownNamespaces(Namespaces); 229 } 230 231 void MultiplexExternalSemaSource::ReadUndefinedButUsed( 232 llvm::MapVector<NamedDecl *, SourceLocation> &Undefined) { 233 for(size_t i = 0; i < Sources.size(); ++i) 234 Sources[i]->ReadUndefinedButUsed(Undefined); 235 } 236 237 void MultiplexExternalSemaSource::ReadMismatchingDeleteExpressions( 238 llvm::MapVector<FieldDecl *, 239 llvm::SmallVector<std::pair<SourceLocation, bool>, 4>> & 240 Exprs) { 241 for (auto &Source : Sources) 242 Source->ReadMismatchingDeleteExpressions(Exprs); 243 } 244 245 bool MultiplexExternalSemaSource::LookupUnqualified(LookupResult &R, Scope *S){ 246 for(size_t i = 0; i < Sources.size(); ++i) 247 Sources[i]->LookupUnqualified(R, S); 248 249 return !R.empty(); 250 } 251 252 void MultiplexExternalSemaSource::ReadTentativeDefinitions( 253 SmallVectorImpl<VarDecl*> &TentativeDefs) { 254 for(size_t i = 0; i < Sources.size(); ++i) 255 Sources[i]->ReadTentativeDefinitions(TentativeDefs); 256 } 257 258 void MultiplexExternalSemaSource::ReadUnusedFileScopedDecls( 259 SmallVectorImpl<const DeclaratorDecl*> &Decls) { 260 for(size_t i = 0; i < Sources.size(); ++i) 261 Sources[i]->ReadUnusedFileScopedDecls(Decls); 262 } 263 264 void MultiplexExternalSemaSource::ReadDelegatingConstructors( 265 SmallVectorImpl<CXXConstructorDecl*> &Decls) { 266 for(size_t i = 0; i < Sources.size(); ++i) 267 Sources[i]->ReadDelegatingConstructors(Decls); 268 } 269 270 void MultiplexExternalSemaSource::ReadExtVectorDecls( 271 SmallVectorImpl<TypedefNameDecl*> &Decls) { 272 for(size_t i = 0; i < Sources.size(); ++i) 273 Sources[i]->ReadExtVectorDecls(Decls); 274 } 275 276 void MultiplexExternalSemaSource::ReadDeclsToCheckForDeferredDiags( 277 llvm::SmallSetVector<Decl *, 4> &Decls) { 278 for(size_t i = 0; i < Sources.size(); ++i) 279 Sources[i]->ReadDeclsToCheckForDeferredDiags(Decls); 280 } 281 282 void MultiplexExternalSemaSource::ReadUnusedLocalTypedefNameCandidates( 283 llvm::SmallSetVector<const TypedefNameDecl *, 4> &Decls) { 284 for(size_t i = 0; i < Sources.size(); ++i) 285 Sources[i]->ReadUnusedLocalTypedefNameCandidates(Decls); 286 } 287 288 void MultiplexExternalSemaSource::ReadReferencedSelectors( 289 SmallVectorImpl<std::pair<Selector, SourceLocation> > &Sels) { 290 for(size_t i = 0; i < Sources.size(); ++i) 291 Sources[i]->ReadReferencedSelectors(Sels); 292 } 293 294 void MultiplexExternalSemaSource::ReadWeakUndeclaredIdentifiers( 295 SmallVectorImpl<std::pair<IdentifierInfo*, WeakInfo> > &WI) { 296 for(size_t i = 0; i < Sources.size(); ++i) 297 Sources[i]->ReadWeakUndeclaredIdentifiers(WI); 298 } 299 300 void MultiplexExternalSemaSource::ReadUsedVTables( 301 SmallVectorImpl<ExternalVTableUse> &VTables) { 302 for(size_t i = 0; i < Sources.size(); ++i) 303 Sources[i]->ReadUsedVTables(VTables); 304 } 305 306 void MultiplexExternalSemaSource::ReadPendingInstantiations( 307 SmallVectorImpl<std::pair<ValueDecl*, 308 SourceLocation> > &Pending) { 309 for(size_t i = 0; i < Sources.size(); ++i) 310 Sources[i]->ReadPendingInstantiations(Pending); 311 } 312 313 void MultiplexExternalSemaSource::ReadLateParsedTemplates( 314 llvm::MapVector<const FunctionDecl *, std::unique_ptr<LateParsedTemplate>> 315 &LPTMap) { 316 for (size_t i = 0; i < Sources.size(); ++i) 317 Sources[i]->ReadLateParsedTemplates(LPTMap); 318 } 319 320 TypoCorrection MultiplexExternalSemaSource::CorrectTypo( 321 const DeclarationNameInfo &Typo, 322 int LookupKind, Scope *S, CXXScopeSpec *SS, 323 CorrectionCandidateCallback &CCC, 324 DeclContext *MemberContext, 325 bool EnteringContext, 326 const ObjCObjectPointerType *OPT) { 327 for (size_t I = 0, E = Sources.size(); I < E; ++I) { 328 if (TypoCorrection C = Sources[I]->CorrectTypo(Typo, LookupKind, S, SS, CCC, 329 MemberContext, 330 EnteringContext, OPT)) 331 return C; 332 } 333 return TypoCorrection(); 334 } 335 336 bool MultiplexExternalSemaSource::MaybeDiagnoseMissingCompleteType( 337 SourceLocation Loc, QualType T) { 338 for (size_t I = 0, E = Sources.size(); I < E; ++I) { 339 if (Sources[I]->MaybeDiagnoseMissingCompleteType(Loc, T)) 340 return true; 341 } 342 return false; 343 } 344 345 void MultiplexExternalSemaSource::AssignedLambdaNumbering( 346 const CXXRecordDecl *Lambda) { 347 for (auto *Source : Sources) 348 Source->AssignedLambdaNumbering(Lambda); 349 } 350