clang/lib/Frontend/MultiplexConsumer.cpp - rust-lang/llvm-project - Git at Google

 //===- MultiplexConsumer.cpp - AST Consumer for PCH Generation --*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
 //  This file defines the MultiplexConsumer class. It also declares and defines
 //  MultiplexASTDeserializationListener and  MultiplexASTMutationListener, which
 //  are implementation details of MultiplexConsumer.
 //
 //===----------------------------------------------------------------------===//

 #include "clang/Frontend/MultiplexConsumer.h"
 #include "clang/AST/ASTMutationListener.h"
 #include "clang/AST/DeclGroup.h"

 using namespace clang;

 namespace clang {

 MultiplexASTDeserializationListener::MultiplexASTDeserializationListener(
       const std::vector<ASTDeserializationListener*>& L)
     : Listeners(L) {
 }

 void MultiplexASTDeserializationListener::ReaderInitialized(
     ASTReader *Reader) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->ReaderInitialized(Reader);
 }

 void MultiplexASTDeserializationListener::IdentifierRead(
     serialization::IdentID ID, IdentifierInfo *II) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->IdentifierRead(ID, II);
 }

 void MultiplexASTDeserializationListener::MacroRead(
     serialization::MacroID ID, MacroInfo *MI) {
   for (auto &Listener : Listeners)
     Listener->MacroRead(ID, MI);
 }

 void MultiplexASTDeserializationListener::TypeRead(
     serialization::TypeIdx Idx, QualType T) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->TypeRead(Idx, T);
 }

 void MultiplexASTDeserializationListener::DeclRead(
     serialization::DeclID ID, const Decl *D) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->DeclRead(ID, D);
 }

 void MultiplexASTDeserializationListener::SelectorRead(
     serialization::SelectorID ID, Selector Sel) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->SelectorRead(ID, Sel);
 }

 void MultiplexASTDeserializationListener::MacroDefinitionRead(
     serialization::PreprocessedEntityID ID, MacroDefinitionRecord *MD) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->MacroDefinitionRead(ID, MD);
 }

 void MultiplexASTDeserializationListener::ModuleRead(
     serialization::SubmoduleID ID, Module *Mod) {
   for (auto &Listener : Listeners)
     Listener->ModuleRead(ID, Mod);
 }

 // This ASTMutationListener forwards its notifications to a set of
 // child listeners.
 class MultiplexASTMutationListener : public ASTMutationListener {
 public:
   // Does NOT take ownership of the elements in L.
   MultiplexASTMutationListener(ArrayRef<ASTMutationListener*> L);
   void CompletedTagDefinition(const TagDecl *D) override;
   void AddedVisibleDecl(const DeclContext *DC, const Decl *D) override;
   void AddedCXXImplicitMember(const CXXRecordDecl *RD, const Decl *D) override;
   void AddedCXXTemplateSpecialization(const ClassTemplateDecl *TD,
                             const ClassTemplateSpecializationDecl *D) override;
   void AddedCXXTemplateSpecialization(const VarTemplateDecl *TD,
                                const VarTemplateSpecializationDecl *D) override;
   void AddedCXXTemplateSpecialization(const FunctionTemplateDecl *TD,
                                       const FunctionDecl *D) override;
   void ResolvedExceptionSpec(const FunctionDecl *FD) override;
   void DeducedReturnType(const FunctionDecl *FD, QualType ReturnType) override;
   void ResolvedOperatorDelete(const CXXDestructorDecl *DD,
                               const FunctionDecl *Delete,
                               Expr *ThisArg) override;
   void CompletedImplicitDefinition(const FunctionDecl *D) override;
   void InstantiationRequested(const ValueDecl *D) override;
   void VariableDefinitionInstantiated(const VarDecl *D) override;
   void FunctionDefinitionInstantiated(const FunctionDecl *D) override;
   void DefaultArgumentInstantiated(const ParmVarDecl *D) override;
   void DefaultMemberInitializerInstantiated(const FieldDecl *D) override;
   void AddedObjCCategoryToInterface(const ObjCCategoryDecl *CatD,
                                     const ObjCInterfaceDecl *IFD) override;
   void DeclarationMarkedUsed(const Decl *D) override;
   void DeclarationMarkedOpenMPThreadPrivate(const Decl *D) override;
   void DeclarationMarkedOpenMPAllocate(const Decl *D, const Attr *A) override;
   void DeclarationMarkedOpenMPDeclareTarget(const Decl *D,
                                             const Attr *Attr) override;
   void RedefinedHiddenDefinition(const NamedDecl *D, Module *M) override;
   void AddedAttributeToRecord(const Attr *Attr,
                               const RecordDecl *Record) override;

 private:
   std::vector<ASTMutationListener*> Listeners;
 };

 MultiplexASTMutationListener::MultiplexASTMutationListener(
     ArrayRef<ASTMutationListener*> L)
     : Listeners(L.begin(), L.end()) {
 }

 void MultiplexASTMutationListener::CompletedTagDefinition(const TagDecl *D) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->CompletedTagDefinition(D);
 }

 void MultiplexASTMutationListener::AddedVisibleDecl(
     const DeclContext *DC, const Decl *D) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->AddedVisibleDecl(DC, D);
 }

 void MultiplexASTMutationListener::AddedCXXImplicitMember(
     const CXXRecordDecl *RD, const Decl *D) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->AddedCXXImplicitMember(RD, D);
 }
 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
     const ClassTemplateDecl *TD, const ClassTemplateSpecializationDecl *D) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
 }
 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
     const VarTemplateDecl *TD, const VarTemplateSpecializationDecl *D) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
 }
 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
     const FunctionTemplateDecl *TD, const FunctionDecl *D) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
 }
 void MultiplexASTMutationListener::ResolvedExceptionSpec(
     const FunctionDecl *FD) {
   for (auto &Listener : Listeners)
     Listener->ResolvedExceptionSpec(FD);
 }
 void MultiplexASTMutationListener::DeducedReturnType(const FunctionDecl *FD,
                                                      QualType ReturnType) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->DeducedReturnType(FD, ReturnType);
 }
 void MultiplexASTMutationListener::ResolvedOperatorDelete(
     const CXXDestructorDecl *DD, const FunctionDecl *Delete, Expr *ThisArg) {
   for (auto *L : Listeners)
     L->ResolvedOperatorDelete(DD, Delete, ThisArg);
 }
 void MultiplexASTMutationListener::CompletedImplicitDefinition(
                                                         const FunctionDecl *D) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->CompletedImplicitDefinition(D);
 }
 void MultiplexASTMutationListener::InstantiationRequested(const ValueDecl *D) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->InstantiationRequested(D);
 }
 void MultiplexASTMutationListener::VariableDefinitionInstantiated(
     const VarDecl *D) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->VariableDefinitionInstantiated(D);
 }
 void MultiplexASTMutationListener::FunctionDefinitionInstantiated(
     const FunctionDecl *D) {
   for (auto &Listener : Listeners)
     Listener->FunctionDefinitionInstantiated(D);
 }
 void MultiplexASTMutationListener::DefaultArgumentInstantiated(
                                                          const ParmVarDecl *D) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->DefaultArgumentInstantiated(D);
 }
 void MultiplexASTMutationListener::DefaultMemberInitializerInstantiated(
                                                            const FieldDecl *D) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->DefaultMemberInitializerInstantiated(D);
 }
 void MultiplexASTMutationListener::AddedObjCCategoryToInterface(
                                                  const ObjCCategoryDecl *CatD,
                                                  const ObjCInterfaceDecl *IFD) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->AddedObjCCategoryToInterface(CatD, IFD);
 }
 void MultiplexASTMutationListener::DeclarationMarkedUsed(const Decl *D) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->DeclarationMarkedUsed(D);
 }
 void MultiplexASTMutationListener::DeclarationMarkedOpenMPThreadPrivate(
     const Decl *D) {
   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
     Listeners[i]->DeclarationMarkedOpenMPThreadPrivate(D);
 }
 void MultiplexASTMutationListener::DeclarationMarkedOpenMPAllocate(
     const Decl *D, const Attr *A) {
   for (ASTMutationListener *L : Listeners)
     L->DeclarationMarkedOpenMPAllocate(D, A);
 }
 void MultiplexASTMutationListener::DeclarationMarkedOpenMPDeclareTarget(
     const Decl *D, const Attr *Attr) {
   for (auto *L : Listeners)
     L->DeclarationMarkedOpenMPDeclareTarget(D, Attr);
 }
 void MultiplexASTMutationListener::RedefinedHiddenDefinition(const NamedDecl *D,
                                                              Module *M) {
   for (auto *L : Listeners)
     L->RedefinedHiddenDefinition(D, M);
 }

 void MultiplexASTMutationListener::AddedAttributeToRecord(
                                                     const Attr *Attr,
                                                     const RecordDecl *Record) {
   for (auto *L : Listeners)
     L->AddedAttributeToRecord(Attr, Record);
 }

 }  // end namespace clang

 MultiplexConsumer::MultiplexConsumer(
     std::vector<std::unique_ptr<ASTConsumer>> C)
     : Consumers(std::move(C)), MutationListener(), DeserializationListener() {
   // Collect the mutation listeners and deserialization listeners of all
   // children, and create a multiplex listener each if so.
   std::vector<ASTMutationListener*> mutationListeners;
   std::vector<ASTDeserializationListener*> serializationListeners;
   for (auto &Consumer : Consumers) {
     if (auto *mutationListener = Consumer->GetASTMutationListener())
       mutationListeners.push_back(mutationListener);
     if (auto *serializationListener = Consumer->GetASTDeserializationListener())
       serializationListeners.push_back(serializationListener);
   }
   if (!mutationListeners.empty()) {
     MutationListener =
         std::make_unique<MultiplexASTMutationListener>(mutationListeners);
   }
   if (!serializationListeners.empty()) {
     DeserializationListener =
         std::make_unique<MultiplexASTDeserializationListener>(
             serializationListeners);
   }
 }

 MultiplexConsumer::~MultiplexConsumer() {}

 void MultiplexConsumer::Initialize(ASTContext &Context) {
   for (auto &Consumer : Consumers)
     Consumer->Initialize(Context);
 }

 bool MultiplexConsumer::HandleTopLevelDecl(DeclGroupRef D) {
   bool Continue = true;
   for (auto &Consumer : Consumers)
     Continue = Continue && Consumer->HandleTopLevelDecl(D);
   return Continue;
 }

 void MultiplexConsumer::HandleInlineFunctionDefinition(FunctionDecl *D) {
   for (auto &Consumer : Consumers)
     Consumer->HandleInlineFunctionDefinition(D);
 }

 void MultiplexConsumer::HandleCXXStaticMemberVarInstantiation(VarDecl *VD) {
   for (auto &Consumer : Consumers)
     Consumer->HandleCXXStaticMemberVarInstantiation(VD);
 }

 void MultiplexConsumer::HandleInterestingDecl(DeclGroupRef D) {
   for (auto &Consumer : Consumers)
     Consumer->HandleInterestingDecl(D);
 }

 void MultiplexConsumer::HandleTranslationUnit(ASTContext &Ctx) {
   for (auto &Consumer : Consumers)
     Consumer->HandleTranslationUnit(Ctx);
 }

 void MultiplexConsumer::HandleTagDeclDefinition(TagDecl *D) {
   for (auto &Consumer : Consumers)
     Consumer->HandleTagDeclDefinition(D);
 }

 void MultiplexConsumer::HandleTagDeclRequiredDefinition(const TagDecl *D) {
   for (auto &Consumer : Consumers)
     Consumer->HandleTagDeclRequiredDefinition(D);
 }

 void MultiplexConsumer::HandleCXXImplicitFunctionInstantiation(FunctionDecl *D){
   for (auto &Consumer : Consumers)
     Consumer->HandleCXXImplicitFunctionInstantiation(D);
 }

 void MultiplexConsumer::HandleTopLevelDeclInObjCContainer(DeclGroupRef D) {
   for (auto &Consumer : Consumers)
     Consumer->HandleTopLevelDeclInObjCContainer(D);
 }

 void MultiplexConsumer::HandleImplicitImportDecl(ImportDecl *D) {
   for (auto &Consumer : Consumers)
     Consumer->HandleImplicitImportDecl(D);
 }

 void MultiplexConsumer::CompleteTentativeDefinition(VarDecl *D) {
   for (auto &Consumer : Consumers)
     Consumer->CompleteTentativeDefinition(D);
 }

 void MultiplexConsumer::CompleteExternalDeclaration(VarDecl *D) {
   for (auto &Consumer : Consumers)
     Consumer->CompleteExternalDeclaration(D);
 }

 void MultiplexConsumer::AssignInheritanceModel(CXXRecordDecl *RD) {
   for (auto &Consumer : Consumers)
     Consumer->AssignInheritanceModel(RD);
 }

 void MultiplexConsumer::HandleVTable(CXXRecordDecl *RD) {
   for (auto &Consumer : Consumers)
     Consumer->HandleVTable(RD);
 }

 ASTMutationListener *MultiplexConsumer::GetASTMutationListener() {
   return MutationListener.get();
 }

 ASTDeserializationListener *MultiplexConsumer::GetASTDeserializationListener() {
   return DeserializationListener.get();
 }

 void MultiplexConsumer::PrintStats() {
   for (auto &Consumer : Consumers)
     Consumer->PrintStats();
 }

 bool MultiplexConsumer::shouldSkipFunctionBody(Decl *D) {
   bool Skip = true;
   for (auto &Consumer : Consumers)
     Skip = Skip && Consumer->shouldSkipFunctionBody(D);
   return Skip;
 }

 void MultiplexConsumer::InitializeSema(Sema &S) {
   for (auto &Consumer : Consumers)
     if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
       SC->InitializeSema(S);
 }

 void MultiplexConsumer::ForgetSema() {
   for (auto &Consumer : Consumers)
     if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
       SC->ForgetSema();
 }
	//===- MultiplexConsumer.cpp - AST Consumer for PCH Generation --- C++ --===//
	//
	// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
	// See https://llvm.org/LICENSE.txt for license information.
	// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
	//
	//===----------------------------------------------------------------------===//
	//
	// This file defines the MultiplexConsumer class. It also declares and defines
	// MultiplexASTDeserializationListener and MultiplexASTMutationListener, which
	// are implementation details of MultiplexConsumer.
	//
	//===----------------------------------------------------------------------===//

	#include "clang/Frontend/MultiplexConsumer.h"
	#include "clang/AST/ASTMutationListener.h"
	#include "clang/AST/DeclGroup.h"

	using namespace clang;

	namespace clang {

	MultiplexASTDeserializationListener::MultiplexASTDeserializationListener(
	const std::vector<ASTDeserializationListener*>& L)
	: Listeners(L) {
	}

	void MultiplexASTDeserializationListener::ReaderInitialized(
	ASTReader *Reader) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->ReaderInitialized(Reader);
	}

	void MultiplexASTDeserializationListener::IdentifierRead(
	serialization::IdentID ID, IdentifierInfo *II) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->IdentifierRead(ID, II);
	}

	void MultiplexASTDeserializationListener::MacroRead(
	serialization::MacroID ID, MacroInfo *MI) {
	for (auto &Listener : Listeners)
	Listener->MacroRead(ID, MI);
	}

	void MultiplexASTDeserializationListener::TypeRead(
	serialization::TypeIdx Idx, QualType T) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->TypeRead(Idx, T);
	}

	void MultiplexASTDeserializationListener::DeclRead(
	serialization::DeclID ID, const Decl *D) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->DeclRead(ID, D);
	}

	void MultiplexASTDeserializationListener::SelectorRead(
	serialization::SelectorID ID, Selector Sel) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->SelectorRead(ID, Sel);
	}

	void MultiplexASTDeserializationListener::MacroDefinitionRead(
	serialization::PreprocessedEntityID ID, MacroDefinitionRecord *MD) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->MacroDefinitionRead(ID, MD);
	}

	void MultiplexASTDeserializationListener::ModuleRead(
	serialization::SubmoduleID ID, Module *Mod) {
	for (auto &Listener : Listeners)
	Listener->ModuleRead(ID, Mod);
	}

	// This ASTMutationListener forwards its notifications to a set of
	// child listeners.
	class MultiplexASTMutationListener : public ASTMutationListener {
	public:
	// Does NOT take ownership of the elements in L.
	MultiplexASTMutationListener(ArrayRef<ASTMutationListener*> L);
	void CompletedTagDefinition(const TagDecl *D) override;
	void AddedVisibleDecl(const DeclContext DC, const Decl D) override;
	void AddedCXXImplicitMember(const CXXRecordDecl RD, const Decl D) override;
	void AddedCXXTemplateSpecialization(const ClassTemplateDecl *TD,
	const ClassTemplateSpecializationDecl *D) override;
	void AddedCXXTemplateSpecialization(const VarTemplateDecl *TD,
	const VarTemplateSpecializationDecl *D) override;
	void AddedCXXTemplateSpecialization(const FunctionTemplateDecl *TD,
	const FunctionDecl *D) override;
	void ResolvedExceptionSpec(const FunctionDecl *FD) override;
	void DeducedReturnType(const FunctionDecl *FD, QualType ReturnType) override;
	void ResolvedOperatorDelete(const CXXDestructorDecl *DD,
	const FunctionDecl *Delete,
	Expr *ThisArg) override;
	void CompletedImplicitDefinition(const FunctionDecl *D) override;
	void InstantiationRequested(const ValueDecl *D) override;
	void VariableDefinitionInstantiated(const VarDecl *D) override;
	void FunctionDefinitionInstantiated(const FunctionDecl *D) override;
	void DefaultArgumentInstantiated(const ParmVarDecl *D) override;
	void DefaultMemberInitializerInstantiated(const FieldDecl *D) override;
	void AddedObjCCategoryToInterface(const ObjCCategoryDecl *CatD,
	const ObjCInterfaceDecl *IFD) override;
	void DeclarationMarkedUsed(const Decl *D) override;
	void DeclarationMarkedOpenMPThreadPrivate(const Decl *D) override;
	void DeclarationMarkedOpenMPAllocate(const Decl D, const Attr A) override;
	void DeclarationMarkedOpenMPDeclareTarget(const Decl *D,
	const Attr *Attr) override;
	void RedefinedHiddenDefinition(const NamedDecl D, Module M) override;
	void AddedAttributeToRecord(const Attr *Attr,
	const RecordDecl *Record) override;

	private:
	std::vector<ASTMutationListener*> Listeners;
	};

	MultiplexASTMutationListener::MultiplexASTMutationListener(
	ArrayRef<ASTMutationListener*> L)
	: Listeners(L.begin(), L.end()) {
	}

	void MultiplexASTMutationListener::CompletedTagDefinition(const TagDecl *D) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->CompletedTagDefinition(D);
	}

	void MultiplexASTMutationListener::AddedVisibleDecl(
	const DeclContext DC, const Decl D) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->AddedVisibleDecl(DC, D);
	}

	void MultiplexASTMutationListener::AddedCXXImplicitMember(
	const CXXRecordDecl RD, const Decl D) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->AddedCXXImplicitMember(RD, D);
	}
	void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
	const ClassTemplateDecl TD, const ClassTemplateSpecializationDecl D) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
	}
	void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
	const VarTemplateDecl TD, const VarTemplateSpecializationDecl D) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
	}
	void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
	const FunctionTemplateDecl TD, const FunctionDecl D) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
	}
	void MultiplexASTMutationListener::ResolvedExceptionSpec(
	const FunctionDecl *FD) {
	for (auto &Listener : Listeners)
	Listener->ResolvedExceptionSpec(FD);
	}
	void MultiplexASTMutationListener::DeducedReturnType(const FunctionDecl *FD,
	QualType ReturnType) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->DeducedReturnType(FD, ReturnType);
	}
	void MultiplexASTMutationListener::ResolvedOperatorDelete(
	const CXXDestructorDecl DD, const FunctionDecl Delete, Expr *ThisArg) {
	for (auto *L : Listeners)
	L->ResolvedOperatorDelete(DD, Delete, ThisArg);
	}
	void MultiplexASTMutationListener::CompletedImplicitDefinition(
	const FunctionDecl *D) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->CompletedImplicitDefinition(D);
	}
	void MultiplexASTMutationListener::InstantiationRequested(const ValueDecl *D) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->InstantiationRequested(D);
	}
	void MultiplexASTMutationListener::VariableDefinitionInstantiated(
	const VarDecl *D) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->VariableDefinitionInstantiated(D);
	}
	void MultiplexASTMutationListener::FunctionDefinitionInstantiated(
	const FunctionDecl *D) {
	for (auto &Listener : Listeners)
	Listener->FunctionDefinitionInstantiated(D);
	}
	void MultiplexASTMutationListener::DefaultArgumentInstantiated(
	const ParmVarDecl *D) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->DefaultArgumentInstantiated(D);
	}
	void MultiplexASTMutationListener::DefaultMemberInitializerInstantiated(
	const FieldDecl *D) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->DefaultMemberInitializerInstantiated(D);
	}
	void MultiplexASTMutationListener::AddedObjCCategoryToInterface(
	const ObjCCategoryDecl *CatD,
	const ObjCInterfaceDecl *IFD) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->AddedObjCCategoryToInterface(CatD, IFD);
	}
	void MultiplexASTMutationListener::DeclarationMarkedUsed(const Decl *D) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->DeclarationMarkedUsed(D);
	}
	void MultiplexASTMutationListener::DeclarationMarkedOpenMPThreadPrivate(
	const Decl *D) {
	for (size_t i = 0, e = Listeners.size(); i != e; ++i)
	Listeners[i]->DeclarationMarkedOpenMPThreadPrivate(D);
	}
	void MultiplexASTMutationListener::DeclarationMarkedOpenMPAllocate(
	const Decl D, const Attr A) {
	for (ASTMutationListener *L : Listeners)
	L->DeclarationMarkedOpenMPAllocate(D, A);
	}
	void MultiplexASTMutationListener::DeclarationMarkedOpenMPDeclareTarget(
	const Decl D, const Attr Attr) {
	for (auto *L : Listeners)
	L->DeclarationMarkedOpenMPDeclareTarget(D, Attr);
	}
	void MultiplexASTMutationListener::RedefinedHiddenDefinition(const NamedDecl *D,
	Module *M) {
	for (auto *L : Listeners)
	L->RedefinedHiddenDefinition(D, M);
	}

	void MultiplexASTMutationListener::AddedAttributeToRecord(
	const Attr *Attr,
	const RecordDecl *Record) {
	for (auto *L : Listeners)
	L->AddedAttributeToRecord(Attr, Record);
	}

	} // end namespace clang

	MultiplexConsumer::MultiplexConsumer(
	std::vector<std::unique_ptr<ASTConsumer>> C)
	: Consumers(std::move(C)), MutationListener(), DeserializationListener() {
	// Collect the mutation listeners and deserialization listeners of all
	// children, and create a multiplex listener each if so.
	std::vector<ASTMutationListener*> mutationListeners;
	std::vector<ASTDeserializationListener*> serializationListeners;
	for (auto &Consumer : Consumers) {
	if (auto *mutationListener = Consumer->GetASTMutationListener())
	mutationListeners.push_back(mutationListener);
	if (auto *serializationListener = Consumer->GetASTDeserializationListener())
	serializationListeners.push_back(serializationListener);
	}
	if (!mutationListeners.empty()) {
	MutationListener =
	std::make_unique<MultiplexASTMutationListener>(mutationListeners);
	}
	if (!serializationListeners.empty()) {
	DeserializationListener =
	std::make_unique<MultiplexASTDeserializationListener>(
	serializationListeners);
	}
	}

	MultiplexConsumer::~MultiplexConsumer() {}

	void MultiplexConsumer::Initialize(ASTContext &Context) {
	for (auto &Consumer : Consumers)
	Consumer->Initialize(Context);
	}

	bool MultiplexConsumer::HandleTopLevelDecl(DeclGroupRef D) {
	bool Continue = true;
	for (auto &Consumer : Consumers)
	Continue = Continue && Consumer->HandleTopLevelDecl(D);
	return Continue;
	}

	void MultiplexConsumer::HandleInlineFunctionDefinition(FunctionDecl *D) {
	for (auto &Consumer : Consumers)
	Consumer->HandleInlineFunctionDefinition(D);
	}

	void MultiplexConsumer::HandleCXXStaticMemberVarInstantiation(VarDecl *VD) {
	for (auto &Consumer : Consumers)
	Consumer->HandleCXXStaticMemberVarInstantiation(VD);
	}

	void MultiplexConsumer::HandleInterestingDecl(DeclGroupRef D) {
	for (auto &Consumer : Consumers)
	Consumer->HandleInterestingDecl(D);
	}

	void MultiplexConsumer::HandleTranslationUnit(ASTContext &Ctx) {
	for (auto &Consumer : Consumers)
	Consumer->HandleTranslationUnit(Ctx);
	}

	void MultiplexConsumer::HandleTagDeclDefinition(TagDecl *D) {
	for (auto &Consumer : Consumers)
	Consumer->HandleTagDeclDefinition(D);
	}

	void MultiplexConsumer::HandleTagDeclRequiredDefinition(const TagDecl *D) {
	for (auto &Consumer : Consumers)
	Consumer->HandleTagDeclRequiredDefinition(D);
	}

	void MultiplexConsumer::HandleCXXImplicitFunctionInstantiation(FunctionDecl *D){
	for (auto &Consumer : Consumers)
	Consumer->HandleCXXImplicitFunctionInstantiation(D);
	}

	void MultiplexConsumer::HandleTopLevelDeclInObjCContainer(DeclGroupRef D) {
	for (auto &Consumer : Consumers)
	Consumer->HandleTopLevelDeclInObjCContainer(D);
	}

	void MultiplexConsumer::HandleImplicitImportDecl(ImportDecl *D) {
	for (auto &Consumer : Consumers)
	Consumer->HandleImplicitImportDecl(D);
	}

	void MultiplexConsumer::CompleteTentativeDefinition(VarDecl *D) {
	for (auto &Consumer : Consumers)
	Consumer->CompleteTentativeDefinition(D);
	}

	void MultiplexConsumer::CompleteExternalDeclaration(VarDecl *D) {
	for (auto &Consumer : Consumers)
	Consumer->CompleteExternalDeclaration(D);
	}

	void MultiplexConsumer::AssignInheritanceModel(CXXRecordDecl *RD) {
	for (auto &Consumer : Consumers)
	Consumer->AssignInheritanceModel(RD);
	}

	void MultiplexConsumer::HandleVTable(CXXRecordDecl *RD) {
	for (auto &Consumer : Consumers)
	Consumer->HandleVTable(RD);
	}

	ASTMutationListener *MultiplexConsumer::GetASTMutationListener() {
	return MutationListener.get();
	}

	ASTDeserializationListener *MultiplexConsumer::GetASTDeserializationListener() {
	return DeserializationListener.get();
	}

	void MultiplexConsumer::PrintStats() {
	for (auto &Consumer : Consumers)
	Consumer->PrintStats();
	}

	bool MultiplexConsumer::shouldSkipFunctionBody(Decl *D) {
	bool Skip = true;
	for (auto &Consumer : Consumers)
	Skip = Skip && Consumer->shouldSkipFunctionBody(D);
	return Skip;
	}

	void MultiplexConsumer::InitializeSema(Sema &S) {
	for (auto &Consumer : Consumers)
	if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
	SC->InitializeSema(S);
	}

	void MultiplexConsumer::ForgetSema() {
	for (auto &Consumer : Consumers)
	if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
	SC->ForgetSema();
	}