1 //===- MultiplexConsumer.cpp - AST Consumer for PCH Generation --*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file defines the MultiplexConsumer class. It also declares and defines 11 // MultiplexASTDeserializationListener and MultiplexASTMutationListener, which 12 // are implementation details of MultiplexConsumer. 13 // 14 //===----------------------------------------------------------------------===// 15 16 #include "clang/Frontend/MultiplexConsumer.h" 17 #include "clang/AST/ASTMutationListener.h" 18 #include "clang/AST/DeclGroup.h" 19 #include "clang/Serialization/ASTDeserializationListener.h" 20 21 using namespace clang; 22 23 namespace clang { 24 25 // This ASTDeserializationListener forwards its notifications to a set of 26 // child listeners. 27 class MultiplexASTDeserializationListener 28 : public ASTDeserializationListener { 29 public: 30 // Does NOT take ownership of the elements in L. 31 MultiplexASTDeserializationListener( 32 const std::vector<ASTDeserializationListener*>& L); 33 void ReaderInitialized(ASTReader *Reader) override; 34 void IdentifierRead(serialization::IdentID ID, 35 IdentifierInfo *II) override; 36 void MacroRead(serialization::MacroID ID, MacroInfo *MI) override; 37 void TypeRead(serialization::TypeIdx Idx, QualType T) override; 38 void DeclRead(serialization::DeclID ID, const Decl *D) override; 39 void SelectorRead(serialization::SelectorID iD, Selector Sel) override; 40 void MacroDefinitionRead(serialization::PreprocessedEntityID, 41 MacroDefinitionRecord *MD) override; 42 void ModuleRead(serialization::SubmoduleID ID, Module *Mod) override; 43 44 private: 45 std::vector<ASTDeserializationListener *> Listeners; 46 }; 47 48 MultiplexASTDeserializationListener::MultiplexASTDeserializationListener( 49 const std::vector<ASTDeserializationListener*>& L) 50 : Listeners(L) { 51 } 52 53 void MultiplexASTDeserializationListener::ReaderInitialized( 54 ASTReader *Reader) { 55 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 56 Listeners[i]->ReaderInitialized(Reader); 57 } 58 59 void MultiplexASTDeserializationListener::IdentifierRead( 60 serialization::IdentID ID, IdentifierInfo *II) { 61 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 62 Listeners[i]->IdentifierRead(ID, II); 63 } 64 65 void MultiplexASTDeserializationListener::MacroRead( 66 serialization::MacroID ID, MacroInfo *MI) { 67 for (auto &Listener : Listeners) 68 Listener->MacroRead(ID, MI); 69 } 70 71 void MultiplexASTDeserializationListener::TypeRead( 72 serialization::TypeIdx Idx, QualType T) { 73 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 74 Listeners[i]->TypeRead(Idx, T); 75 } 76 77 void MultiplexASTDeserializationListener::DeclRead( 78 serialization::DeclID ID, const Decl *D) { 79 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 80 Listeners[i]->DeclRead(ID, D); 81 } 82 83 void MultiplexASTDeserializationListener::SelectorRead( 84 serialization::SelectorID ID, Selector Sel) { 85 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 86 Listeners[i]->SelectorRead(ID, Sel); 87 } 88 89 void MultiplexASTDeserializationListener::MacroDefinitionRead( 90 serialization::PreprocessedEntityID ID, MacroDefinitionRecord *MD) { 91 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 92 Listeners[i]->MacroDefinitionRead(ID, MD); 93 } 94 95 void MultiplexASTDeserializationListener::ModuleRead( 96 serialization::SubmoduleID ID, Module *Mod) { 97 for (auto &Listener : Listeners) 98 Listener->ModuleRead(ID, Mod); 99 } 100 101 // This ASTMutationListener forwards its notifications to a set of 102 // child listeners. 103 class MultiplexASTMutationListener : public ASTMutationListener { 104 public: 105 // Does NOT take ownership of the elements in L. 106 MultiplexASTMutationListener(ArrayRef<ASTMutationListener*> L); 107 void CompletedTagDefinition(const TagDecl *D) override; 108 void AddedVisibleDecl(const DeclContext *DC, const Decl *D) override; 109 void AddedCXXImplicitMember(const CXXRecordDecl *RD, const Decl *D) override; 110 void AddedCXXTemplateSpecialization(const ClassTemplateDecl *TD, 111 const ClassTemplateSpecializationDecl *D) override; 112 void AddedCXXTemplateSpecialization(const VarTemplateDecl *TD, 113 const VarTemplateSpecializationDecl *D) override; 114 void AddedCXXTemplateSpecialization(const FunctionTemplateDecl *TD, 115 const FunctionDecl *D) override; 116 void ResolvedExceptionSpec(const FunctionDecl *FD) override; 117 void DeducedReturnType(const FunctionDecl *FD, QualType ReturnType) override; 118 void ResolvedOperatorDelete(const CXXDestructorDecl *DD, 119 const FunctionDecl *Delete) override; 120 void CompletedImplicitDefinition(const FunctionDecl *D) override; 121 void StaticDataMemberInstantiated(const VarDecl *D) override; 122 void DefaultArgumentInstantiated(const ParmVarDecl *D) override; 123 void AddedObjCCategoryToInterface(const ObjCCategoryDecl *CatD, 124 const ObjCInterfaceDecl *IFD) override; 125 void FunctionDefinitionInstantiated(const FunctionDecl *D) override; 126 void DeclarationMarkedUsed(const Decl *D) override; 127 void DeclarationMarkedOpenMPThreadPrivate(const Decl *D) override; 128 void DeclarationMarkedOpenMPDeclareTarget(const Decl *D, 129 const Attr *Attr) override; 130 void RedefinedHiddenDefinition(const NamedDecl *D, Module *M) override; 131 void AddedAttributeToRecord(const Attr *Attr, 132 const RecordDecl *Record) override; 133 134 private: 135 std::vector<ASTMutationListener*> Listeners; 136 }; 137 138 MultiplexASTMutationListener::MultiplexASTMutationListener( 139 ArrayRef<ASTMutationListener*> L) 140 : Listeners(L.begin(), L.end()) { 141 } 142 143 void MultiplexASTMutationListener::CompletedTagDefinition(const TagDecl *D) { 144 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 145 Listeners[i]->CompletedTagDefinition(D); 146 } 147 148 void MultiplexASTMutationListener::AddedVisibleDecl( 149 const DeclContext *DC, const Decl *D) { 150 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 151 Listeners[i]->AddedVisibleDecl(DC, D); 152 } 153 154 void MultiplexASTMutationListener::AddedCXXImplicitMember( 155 const CXXRecordDecl *RD, const Decl *D) { 156 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 157 Listeners[i]->AddedCXXImplicitMember(RD, D); 158 } 159 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization( 160 const ClassTemplateDecl *TD, const ClassTemplateSpecializationDecl *D) { 161 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 162 Listeners[i]->AddedCXXTemplateSpecialization(TD, D); 163 } 164 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization( 165 const VarTemplateDecl *TD, const VarTemplateSpecializationDecl *D) { 166 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 167 Listeners[i]->AddedCXXTemplateSpecialization(TD, D); 168 } 169 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization( 170 const FunctionTemplateDecl *TD, const FunctionDecl *D) { 171 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 172 Listeners[i]->AddedCXXTemplateSpecialization(TD, D); 173 } 174 void MultiplexASTMutationListener::ResolvedExceptionSpec( 175 const FunctionDecl *FD) { 176 for (auto &Listener : Listeners) 177 Listener->ResolvedExceptionSpec(FD); 178 } 179 void MultiplexASTMutationListener::DeducedReturnType(const FunctionDecl *FD, 180 QualType ReturnType) { 181 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 182 Listeners[i]->DeducedReturnType(FD, ReturnType); 183 } 184 void MultiplexASTMutationListener::ResolvedOperatorDelete( 185 const CXXDestructorDecl *DD, const FunctionDecl *Delete) { 186 for (auto *L : Listeners) 187 L->ResolvedOperatorDelete(DD, Delete); 188 } 189 void MultiplexASTMutationListener::CompletedImplicitDefinition( 190 const FunctionDecl *D) { 191 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 192 Listeners[i]->CompletedImplicitDefinition(D); 193 } 194 void MultiplexASTMutationListener::StaticDataMemberInstantiated( 195 const VarDecl *D) { 196 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 197 Listeners[i]->StaticDataMemberInstantiated(D); 198 } 199 void MultiplexASTMutationListener::DefaultArgumentInstantiated( 200 const ParmVarDecl *D) { 201 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 202 Listeners[i]->DefaultArgumentInstantiated(D); 203 } 204 void MultiplexASTMutationListener::AddedObjCCategoryToInterface( 205 const ObjCCategoryDecl *CatD, 206 const ObjCInterfaceDecl *IFD) { 207 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 208 Listeners[i]->AddedObjCCategoryToInterface(CatD, IFD); 209 } 210 void MultiplexASTMutationListener::FunctionDefinitionInstantiated( 211 const FunctionDecl *D) { 212 for (auto &Listener : Listeners) 213 Listener->FunctionDefinitionInstantiated(D); 214 } 215 void MultiplexASTMutationListener::DeclarationMarkedUsed(const Decl *D) { 216 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 217 Listeners[i]->DeclarationMarkedUsed(D); 218 } 219 void MultiplexASTMutationListener::DeclarationMarkedOpenMPThreadPrivate( 220 const Decl *D) { 221 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 222 Listeners[i]->DeclarationMarkedOpenMPThreadPrivate(D); 223 } 224 void MultiplexASTMutationListener::DeclarationMarkedOpenMPDeclareTarget( 225 const Decl *D, const Attr *Attr) { 226 for (auto *L : Listeners) 227 L->DeclarationMarkedOpenMPDeclareTarget(D, Attr); 228 } 229 void MultiplexASTMutationListener::RedefinedHiddenDefinition(const NamedDecl *D, 230 Module *M) { 231 for (auto *L : Listeners) 232 L->RedefinedHiddenDefinition(D, M); 233 } 234 235 void MultiplexASTMutationListener::AddedAttributeToRecord( 236 const Attr *Attr, 237 const RecordDecl *Record) { 238 for (auto *L : Listeners) 239 L->AddedAttributeToRecord(Attr, Record); 240 } 241 242 } // end namespace clang 243 244 MultiplexConsumer::MultiplexConsumer( 245 std::vector<std::unique_ptr<ASTConsumer>> C) 246 : Consumers(std::move(C)), MutationListener(), DeserializationListener() { 247 // Collect the mutation listeners and deserialization listeners of all 248 // children, and create a multiplex listener each if so. 249 std::vector<ASTMutationListener*> mutationListeners; 250 std::vector<ASTDeserializationListener*> serializationListeners; 251 for (auto &Consumer : Consumers) { 252 if (auto *mutationListener = Consumer->GetASTMutationListener()) 253 mutationListeners.push_back(mutationListener); 254 if (auto *serializationListener = Consumer->GetASTDeserializationListener()) 255 serializationListeners.push_back(serializationListener); 256 } 257 if (!mutationListeners.empty()) { 258 MutationListener = 259 llvm::make_unique<MultiplexASTMutationListener>(mutationListeners); 260 } 261 if (!serializationListeners.empty()) { 262 DeserializationListener = 263 llvm::make_unique<MultiplexASTDeserializationListener>( 264 serializationListeners); 265 } 266 } 267 268 MultiplexConsumer::~MultiplexConsumer() {} 269 270 void MultiplexConsumer::Initialize(ASTContext &Context) { 271 for (auto &Consumer : Consumers) 272 Consumer->Initialize(Context); 273 } 274 275 bool MultiplexConsumer::HandleTopLevelDecl(DeclGroupRef D) { 276 bool Continue = true; 277 for (auto &Consumer : Consumers) 278 Continue = Continue && Consumer->HandleTopLevelDecl(D); 279 return Continue; 280 } 281 282 void MultiplexConsumer::HandleInlineFunctionDefinition(FunctionDecl *D) { 283 for (auto &Consumer : Consumers) 284 Consumer->HandleInlineFunctionDefinition(D); 285 } 286 287 void MultiplexConsumer::HandleCXXStaticMemberVarInstantiation(VarDecl *VD) { 288 for (auto &Consumer : Consumers) 289 Consumer->HandleCXXStaticMemberVarInstantiation(VD); 290 } 291 292 void MultiplexConsumer::HandleInterestingDecl(DeclGroupRef D) { 293 for (auto &Consumer : Consumers) 294 Consumer->HandleInterestingDecl(D); 295 } 296 297 void MultiplexConsumer::HandleTranslationUnit(ASTContext &Ctx) { 298 for (auto &Consumer : Consumers) 299 Consumer->HandleTranslationUnit(Ctx); 300 } 301 302 void MultiplexConsumer::HandleTagDeclDefinition(TagDecl *D) { 303 for (auto &Consumer : Consumers) 304 Consumer->HandleTagDeclDefinition(D); 305 } 306 307 void MultiplexConsumer::HandleTagDeclRequiredDefinition(const TagDecl *D) { 308 for (auto &Consumer : Consumers) 309 Consumer->HandleTagDeclRequiredDefinition(D); 310 } 311 312 void MultiplexConsumer::HandleCXXImplicitFunctionInstantiation(FunctionDecl *D){ 313 for (auto &Consumer : Consumers) 314 Consumer->HandleCXXImplicitFunctionInstantiation(D); 315 } 316 317 void MultiplexConsumer::HandleTopLevelDeclInObjCContainer(DeclGroupRef D) { 318 for (auto &Consumer : Consumers) 319 Consumer->HandleTopLevelDeclInObjCContainer(D); 320 } 321 322 void MultiplexConsumer::HandleImplicitImportDecl(ImportDecl *D) { 323 for (auto &Consumer : Consumers) 324 Consumer->HandleImplicitImportDecl(D); 325 } 326 327 void MultiplexConsumer::CompleteTentativeDefinition(VarDecl *D) { 328 for (auto &Consumer : Consumers) 329 Consumer->CompleteTentativeDefinition(D); 330 } 331 332 void MultiplexConsumer::AssignInheritanceModel(CXXRecordDecl *RD) { 333 for (auto &Consumer : Consumers) 334 Consumer->AssignInheritanceModel(RD); 335 } 336 337 void MultiplexConsumer::HandleVTable(CXXRecordDecl *RD) { 338 for (auto &Consumer : Consumers) 339 Consumer->HandleVTable(RD); 340 } 341 342 ASTMutationListener *MultiplexConsumer::GetASTMutationListener() { 343 return MutationListener.get(); 344 } 345 346 ASTDeserializationListener *MultiplexConsumer::GetASTDeserializationListener() { 347 return DeserializationListener.get(); 348 } 349 350 void MultiplexConsumer::PrintStats() { 351 for (auto &Consumer : Consumers) 352 Consumer->PrintStats(); 353 } 354 355 bool MultiplexConsumer::shouldSkipFunctionBody(Decl *D) { 356 bool Skip = true; 357 for (auto &Consumer : Consumers) 358 Skip = Skip && Consumer->shouldSkipFunctionBody(D); 359 return Skip; 360 } 361 362 void MultiplexConsumer::InitializeSema(Sema &S) { 363 for (auto &Consumer : Consumers) 364 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get())) 365 SC->InitializeSema(S); 366 } 367 368 void MultiplexConsumer::ForgetSema() { 369 for (auto &Consumer : Consumers) 370 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get())) 371 SC->ForgetSema(); 372 } 373