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 AddedObjCCategoryToInterface(const ObjCCategoryDecl *CatD, 123 const ObjCInterfaceDecl *IFD) override; 124 void FunctionDefinitionInstantiated(const FunctionDecl *D) override; 125 void DeclarationMarkedUsed(const Decl *D) override; 126 void DeclarationMarkedOpenMPThreadPrivate(const Decl *D) override; 127 void RedefinedHiddenDefinition(const NamedDecl *D, Module *M) override; 128 void AddedAttributeToRecord(const Attr *Attr, 129 const RecordDecl *Record) override; 130 131 private: 132 std::vector<ASTMutationListener*> Listeners; 133 }; 134 135 MultiplexASTMutationListener::MultiplexASTMutationListener( 136 ArrayRef<ASTMutationListener*> L) 137 : Listeners(L.begin(), L.end()) { 138 } 139 140 void MultiplexASTMutationListener::CompletedTagDefinition(const TagDecl *D) { 141 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 142 Listeners[i]->CompletedTagDefinition(D); 143 } 144 145 void MultiplexASTMutationListener::AddedVisibleDecl( 146 const DeclContext *DC, const Decl *D) { 147 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 148 Listeners[i]->AddedVisibleDecl(DC, D); 149 } 150 151 void MultiplexASTMutationListener::AddedCXXImplicitMember( 152 const CXXRecordDecl *RD, const Decl *D) { 153 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 154 Listeners[i]->AddedCXXImplicitMember(RD, D); 155 } 156 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization( 157 const ClassTemplateDecl *TD, const ClassTemplateSpecializationDecl *D) { 158 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 159 Listeners[i]->AddedCXXTemplateSpecialization(TD, D); 160 } 161 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization( 162 const VarTemplateDecl *TD, const VarTemplateSpecializationDecl *D) { 163 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 164 Listeners[i]->AddedCXXTemplateSpecialization(TD, D); 165 } 166 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization( 167 const FunctionTemplateDecl *TD, const FunctionDecl *D) { 168 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 169 Listeners[i]->AddedCXXTemplateSpecialization(TD, D); 170 } 171 void MultiplexASTMutationListener::ResolvedExceptionSpec( 172 const FunctionDecl *FD) { 173 for (auto &Listener : Listeners) 174 Listener->ResolvedExceptionSpec(FD); 175 } 176 void MultiplexASTMutationListener::DeducedReturnType(const FunctionDecl *FD, 177 QualType ReturnType) { 178 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 179 Listeners[i]->DeducedReturnType(FD, ReturnType); 180 } 181 void MultiplexASTMutationListener::ResolvedOperatorDelete( 182 const CXXDestructorDecl *DD, const FunctionDecl *Delete) { 183 for (auto *L : Listeners) 184 L->ResolvedOperatorDelete(DD, Delete); 185 } 186 void MultiplexASTMutationListener::CompletedImplicitDefinition( 187 const FunctionDecl *D) { 188 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 189 Listeners[i]->CompletedImplicitDefinition(D); 190 } 191 void MultiplexASTMutationListener::StaticDataMemberInstantiated( 192 const VarDecl *D) { 193 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 194 Listeners[i]->StaticDataMemberInstantiated(D); 195 } 196 void MultiplexASTMutationListener::AddedObjCCategoryToInterface( 197 const ObjCCategoryDecl *CatD, 198 const ObjCInterfaceDecl *IFD) { 199 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 200 Listeners[i]->AddedObjCCategoryToInterface(CatD, IFD); 201 } 202 void MultiplexASTMutationListener::FunctionDefinitionInstantiated( 203 const FunctionDecl *D) { 204 for (auto &Listener : Listeners) 205 Listener->FunctionDefinitionInstantiated(D); 206 } 207 void MultiplexASTMutationListener::DeclarationMarkedUsed(const Decl *D) { 208 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 209 Listeners[i]->DeclarationMarkedUsed(D); 210 } 211 void MultiplexASTMutationListener::DeclarationMarkedOpenMPThreadPrivate( 212 const Decl *D) { 213 for (size_t i = 0, e = Listeners.size(); i != e; ++i) 214 Listeners[i]->DeclarationMarkedOpenMPThreadPrivate(D); 215 } 216 void MultiplexASTMutationListener::RedefinedHiddenDefinition(const NamedDecl *D, 217 Module *M) { 218 for (auto *L : Listeners) 219 L->RedefinedHiddenDefinition(D, M); 220 } 221 222 void MultiplexASTMutationListener::AddedAttributeToRecord( 223 const Attr *Attr, 224 const RecordDecl *Record) { 225 for (auto *L : Listeners) 226 L->AddedAttributeToRecord(Attr, Record); 227 } 228 229 } // end namespace clang 230 231 MultiplexConsumer::MultiplexConsumer( 232 std::vector<std::unique_ptr<ASTConsumer>> C) 233 : Consumers(std::move(C)), MutationListener(), DeserializationListener() { 234 // Collect the mutation listeners and deserialization listeners of all 235 // children, and create a multiplex listener each if so. 236 std::vector<ASTMutationListener*> mutationListeners; 237 std::vector<ASTDeserializationListener*> serializationListeners; 238 for (auto &Consumer : Consumers) { 239 if (auto *mutationListener = Consumer->GetASTMutationListener()) 240 mutationListeners.push_back(mutationListener); 241 if (auto *serializationListener = Consumer->GetASTDeserializationListener()) 242 serializationListeners.push_back(serializationListener); 243 } 244 if (!mutationListeners.empty()) { 245 MutationListener = 246 llvm::make_unique<MultiplexASTMutationListener>(mutationListeners); 247 } 248 if (!serializationListeners.empty()) { 249 DeserializationListener = 250 llvm::make_unique<MultiplexASTDeserializationListener>( 251 serializationListeners); 252 } 253 } 254 255 MultiplexConsumer::~MultiplexConsumer() {} 256 257 void MultiplexConsumer::Initialize(ASTContext &Context) { 258 for (auto &Consumer : Consumers) 259 Consumer->Initialize(Context); 260 } 261 262 bool MultiplexConsumer::HandleTopLevelDecl(DeclGroupRef D) { 263 bool Continue = true; 264 for (auto &Consumer : Consumers) 265 Continue = Continue && Consumer->HandleTopLevelDecl(D); 266 return Continue; 267 } 268 269 void MultiplexConsumer::HandleInlineMethodDefinition(CXXMethodDecl *D) { 270 for (auto &Consumer : Consumers) 271 Consumer->HandleInlineMethodDefinition(D); 272 } 273 274 void MultiplexConsumer::HandleCXXStaticMemberVarInstantiation(VarDecl *VD) { 275 for (auto &Consumer : Consumers) 276 Consumer->HandleCXXStaticMemberVarInstantiation(VD); 277 } 278 279 void MultiplexConsumer::HandleInterestingDecl(DeclGroupRef D) { 280 for (auto &Consumer : Consumers) 281 Consumer->HandleInterestingDecl(D); 282 } 283 284 void MultiplexConsumer::HandleTranslationUnit(ASTContext &Ctx) { 285 for (auto &Consumer : Consumers) 286 Consumer->HandleTranslationUnit(Ctx); 287 } 288 289 void MultiplexConsumer::HandleTagDeclDefinition(TagDecl *D) { 290 for (auto &Consumer : Consumers) 291 Consumer->HandleTagDeclDefinition(D); 292 } 293 294 void MultiplexConsumer::HandleTagDeclRequiredDefinition(const TagDecl *D) { 295 for (auto &Consumer : Consumers) 296 Consumer->HandleTagDeclRequiredDefinition(D); 297 } 298 299 void MultiplexConsumer::HandleCXXImplicitFunctionInstantiation(FunctionDecl *D){ 300 for (auto &Consumer : Consumers) 301 Consumer->HandleCXXImplicitFunctionInstantiation(D); 302 } 303 304 void MultiplexConsumer::HandleTopLevelDeclInObjCContainer(DeclGroupRef D) { 305 for (auto &Consumer : Consumers) 306 Consumer->HandleTopLevelDeclInObjCContainer(D); 307 } 308 309 void MultiplexConsumer::HandleImplicitImportDecl(ImportDecl *D) { 310 for (auto &Consumer : Consumers) 311 Consumer->HandleImplicitImportDecl(D); 312 } 313 314 void MultiplexConsumer::HandleLinkerOptionPragma(llvm::StringRef Opts) { 315 for (auto &Consumer : Consumers) 316 Consumer->HandleLinkerOptionPragma(Opts); 317 } 318 319 void MultiplexConsumer::HandleDetectMismatch(llvm::StringRef Name, llvm::StringRef Value) { 320 for (auto &Consumer : Consumers) 321 Consumer->HandleDetectMismatch(Name, Value); 322 } 323 324 void MultiplexConsumer::HandleDependentLibrary(llvm::StringRef Lib) { 325 for (auto &Consumer : Consumers) 326 Consumer->HandleDependentLibrary(Lib); 327 } 328 329 void MultiplexConsumer::CompleteTentativeDefinition(VarDecl *D) { 330 for (auto &Consumer : Consumers) 331 Consumer->CompleteTentativeDefinition(D); 332 } 333 334 void MultiplexConsumer::HandleVTable(CXXRecordDecl *RD) { 335 for (auto &Consumer : Consumers) 336 Consumer->HandleVTable(RD); 337 } 338 339 ASTMutationListener *MultiplexConsumer::GetASTMutationListener() { 340 return MutationListener.get(); 341 } 342 343 ASTDeserializationListener *MultiplexConsumer::GetASTDeserializationListener() { 344 return DeserializationListener.get(); 345 } 346 347 void MultiplexConsumer::PrintStats() { 348 for (auto &Consumer : Consumers) 349 Consumer->PrintStats(); 350 } 351 352 void MultiplexConsumer::InitializeSema(Sema &S) { 353 for (auto &Consumer : Consumers) 354 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get())) 355 SC->InitializeSema(S); 356 } 357 358 void MultiplexConsumer::ForgetSema() { 359 for (auto &Consumer : Consumers) 360 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get())) 361 SC->ForgetSema(); 362 } 363
