299 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			299 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===- MultiplexConsumer.cpp - AST Consumer for PCH Generation --*- C++ -*-===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // License. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| //
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| //  This file defines the MultiplexConsumer class. It also declares and defines
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| //  MultiplexASTDeserializationListener and  MultiplexASTMutationListener, which
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| //  are implementation details of MultiplexConsumer.
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #include "clang/Frontend/MultiplexConsumer.h"
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| #include "clang/AST/ASTMutationListener.h"
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| #include "clang/AST/DeclGroup.h"
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| #include "clang/Serialization/ASTDeserializationListener.h"
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| 
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| using namespace clang;
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| 
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| namespace clang {
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| 
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| // This ASTDeserializationListener forwards its notifications to a set of
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| // child listeners.
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| class MultiplexASTDeserializationListener
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|     : public ASTDeserializationListener {
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| public:
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|   // Does NOT take ownership of the elements in L.
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|   MultiplexASTDeserializationListener(
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|       const std::vector<ASTDeserializationListener*>& L);
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|   void ReaderInitialized(ASTReader *Reader) override;
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|   void IdentifierRead(serialization::IdentID ID,
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|                       IdentifierInfo *II) override;
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|   void TypeRead(serialization::TypeIdx Idx, QualType T) override;
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|   void DeclRead(serialization::DeclID ID, const Decl *D) override;
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|   void SelectorRead(serialization::SelectorID iD, Selector Sel) override;
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|   void MacroDefinitionRead(serialization::PreprocessedEntityID,
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|                            MacroDefinition *MD) override;
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| private:
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|   std::vector<ASTDeserializationListener*> Listeners;
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| };
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| 
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| MultiplexASTDeserializationListener::MultiplexASTDeserializationListener(
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|       const std::vector<ASTDeserializationListener*>& L)
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|     : Listeners(L) {
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| }
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| 
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| void MultiplexASTDeserializationListener::ReaderInitialized(
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|     ASTReader *Reader) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->ReaderInitialized(Reader);
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| }
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| 
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| void MultiplexASTDeserializationListener::IdentifierRead(
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|     serialization::IdentID ID, IdentifierInfo *II) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->IdentifierRead(ID, II);
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| }
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| 
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| void MultiplexASTDeserializationListener::TypeRead(
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|     serialization::TypeIdx Idx, QualType T) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->TypeRead(Idx, T);
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| }
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| 
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| void MultiplexASTDeserializationListener::DeclRead(
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|     serialization::DeclID ID, const Decl *D) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->DeclRead(ID, D);
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| }
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| 
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| void MultiplexASTDeserializationListener::SelectorRead(
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|     serialization::SelectorID ID, Selector Sel) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->SelectorRead(ID, Sel);
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| }
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| 
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| void MultiplexASTDeserializationListener::MacroDefinitionRead(
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|     serialization::PreprocessedEntityID ID, MacroDefinition *MD) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->MacroDefinitionRead(ID, MD);
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| }
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| 
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| // This ASTMutationListener forwards its notifications to a set of
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| // child listeners.
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| class MultiplexASTMutationListener : public ASTMutationListener {
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| public:
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|   // Does NOT take ownership of the elements in L.
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|   MultiplexASTMutationListener(ArrayRef<ASTMutationListener*> L);
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|   void CompletedTagDefinition(const TagDecl *D) override;
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|   void AddedVisibleDecl(const DeclContext *DC, const Decl *D) override;
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|   void AddedCXXImplicitMember(const CXXRecordDecl *RD, const Decl *D) override;
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|   void AddedCXXTemplateSpecialization(const ClassTemplateDecl *TD,
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|                             const ClassTemplateSpecializationDecl *D) override;
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|   void AddedCXXTemplateSpecialization(const VarTemplateDecl *TD,
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|                                const VarTemplateSpecializationDecl *D) override;
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|   void AddedCXXTemplateSpecialization(const FunctionTemplateDecl *TD,
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|                                       const FunctionDecl *D) override;
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|   void DeducedReturnType(const FunctionDecl *FD, QualType ReturnType) override;
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|   void CompletedImplicitDefinition(const FunctionDecl *D) override;
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|   void StaticDataMemberInstantiated(const VarDecl *D) override;
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|   void AddedObjCCategoryToInterface(const ObjCCategoryDecl *CatD,
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|                                     const ObjCInterfaceDecl *IFD) override;
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|   void AddedObjCPropertyInClassExtension(const ObjCPropertyDecl *Prop,
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|                                     const ObjCPropertyDecl *OrigProp,
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|                                     const ObjCCategoryDecl *ClassExt) override;
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|   void DeclarationMarkedUsed(const Decl *D) override;
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| 
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| private:
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|   std::vector<ASTMutationListener*> Listeners;
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| };
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| 
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| MultiplexASTMutationListener::MultiplexASTMutationListener(
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|     ArrayRef<ASTMutationListener*> L)
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|     : Listeners(L.begin(), L.end()) {
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| }
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| 
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| void MultiplexASTMutationListener::CompletedTagDefinition(const TagDecl *D) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->CompletedTagDefinition(D);
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| }
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| 
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| void MultiplexASTMutationListener::AddedVisibleDecl(
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|     const DeclContext *DC, const Decl *D) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->AddedVisibleDecl(DC, D);
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| }
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| 
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| void MultiplexASTMutationListener::AddedCXXImplicitMember(
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|     const CXXRecordDecl *RD, const Decl *D) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->AddedCXXImplicitMember(RD, D);
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| }
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| void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
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|     const ClassTemplateDecl *TD, const ClassTemplateSpecializationDecl *D) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
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| }
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| void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
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|     const VarTemplateDecl *TD, const VarTemplateSpecializationDecl *D) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
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| }
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| void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
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|     const FunctionTemplateDecl *TD, const FunctionDecl *D) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
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| }
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| void MultiplexASTMutationListener::DeducedReturnType(const FunctionDecl *FD,
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|                                                      QualType ReturnType) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->DeducedReturnType(FD, ReturnType);
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| }
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| void MultiplexASTMutationListener::CompletedImplicitDefinition(
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|                                                         const FunctionDecl *D) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->CompletedImplicitDefinition(D);
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| }
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| void MultiplexASTMutationListener::StaticDataMemberInstantiated(
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|                                                              const VarDecl *D) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->StaticDataMemberInstantiated(D);
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| }
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| void MultiplexASTMutationListener::AddedObjCCategoryToInterface(
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|                                                  const ObjCCategoryDecl *CatD,
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|                                                  const ObjCInterfaceDecl *IFD) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->AddedObjCCategoryToInterface(CatD, IFD);
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| }
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| void MultiplexASTMutationListener::AddedObjCPropertyInClassExtension(
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|                                              const ObjCPropertyDecl *Prop,
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|                                              const ObjCPropertyDecl *OrigProp,
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|                                              const ObjCCategoryDecl *ClassExt) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->AddedObjCPropertyInClassExtension(Prop, OrigProp, ClassExt);
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| }
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| void MultiplexASTMutationListener::DeclarationMarkedUsed(const Decl *D) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->DeclarationMarkedUsed(D);
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| }
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| 
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| }  // end namespace clang
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| 
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| MultiplexConsumer::MultiplexConsumer(ArrayRef<ASTConsumer *> C)
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|     : Consumers(C.begin(), C.end()), MutationListener(),
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|       DeserializationListener() {
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|   // Collect the mutation listeners and deserialization listeners of all
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|   // children, and create a multiplex listener each if so.
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|   std::vector<ASTMutationListener*> mutationListeners;
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|   std::vector<ASTDeserializationListener*> serializationListeners;
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i) {
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|     ASTMutationListener* mutationListener =
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|         Consumers[i]->GetASTMutationListener();
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|     if (mutationListener)
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|       mutationListeners.push_back(mutationListener);
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|     ASTDeserializationListener* serializationListener =
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|         Consumers[i]->GetASTDeserializationListener();
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|     if (serializationListener)
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|       serializationListeners.push_back(serializationListener);
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|   }
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|   if (mutationListeners.size()) {
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|     MutationListener.reset(new MultiplexASTMutationListener(mutationListeners));
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|   }
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|   if (serializationListeners.size()) {
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|     DeserializationListener.reset(
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|         new MultiplexASTDeserializationListener(serializationListeners));
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|   }
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| }
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| 
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| MultiplexConsumer::~MultiplexConsumer() {
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i)
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|     delete Consumers[i];
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| }
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| 
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| void MultiplexConsumer::Initialize(ASTContext &Context) {
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i)
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|     Consumers[i]->Initialize(Context);
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| }
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| 
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| bool MultiplexConsumer::HandleTopLevelDecl(DeclGroupRef D) {
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|   bool Continue = true;
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i)
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|     Continue = Continue && Consumers[i]->HandleTopLevelDecl(D);
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|   return Continue;
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| }
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| 
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| void MultiplexConsumer::HandleInlineMethodDefinition(CXXMethodDecl *D) {
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i)
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|     Consumers[i]->HandleInlineMethodDefinition(D);
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| }
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| 
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| void  MultiplexConsumer::HandleCXXStaticMemberVarInstantiation(VarDecl *VD) {
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i)
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|     Consumers[i]->HandleCXXStaticMemberVarInstantiation(VD);
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| }
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| 
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| void MultiplexConsumer::HandleInterestingDecl(DeclGroupRef D) {
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i)
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|     Consumers[i]->HandleInterestingDecl(D);
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| }
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| 
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| void MultiplexConsumer::HandleTranslationUnit(ASTContext &Ctx) {
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i)
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|     Consumers[i]->HandleTranslationUnit(Ctx);
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| }
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| 
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| void MultiplexConsumer::HandleTagDeclDefinition(TagDecl *D) {
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i)
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|     Consumers[i]->HandleTagDeclDefinition(D);
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| }
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| 
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| void MultiplexConsumer::HandleCXXImplicitFunctionInstantiation(FunctionDecl *D){
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i)
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|     Consumers[i]->HandleCXXImplicitFunctionInstantiation(D);
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| }
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| 
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| void MultiplexConsumer::HandleTopLevelDeclInObjCContainer(DeclGroupRef D) {
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i)
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|     Consumers[i]->HandleTopLevelDeclInObjCContainer(D);
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| }
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| 
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| void MultiplexConsumer::CompleteTentativeDefinition(VarDecl *D) {
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i)
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|     Consumers[i]->CompleteTentativeDefinition(D);
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| }
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| 
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| void MultiplexConsumer::HandleVTable(
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|     CXXRecordDecl *RD, bool DefinitionRequired) {
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i)
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|     Consumers[i]->HandleVTable(RD, DefinitionRequired);
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| }
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| 
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| ASTMutationListener *MultiplexConsumer::GetASTMutationListener() {
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|   return MutationListener.get();
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| }
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| 
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| ASTDeserializationListener *MultiplexConsumer::GetASTDeserializationListener() {
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|   return DeserializationListener.get();
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| }
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| 
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| void MultiplexConsumer::PrintStats() {
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i)
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|     Consumers[i]->PrintStats();
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| }
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| 
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| void MultiplexConsumer::InitializeSema(Sema &S) {
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i)
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|     if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumers[i]))
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|       SC->InitializeSema(S);
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| }
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| 
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| void MultiplexConsumer::ForgetSema() {
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|   for (size_t i = 0, e = Consumers.size(); i != e; ++i)
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|     if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumers[i]))
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|       SC->ForgetSema();
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| }
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