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