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			371 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			371 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===- MultiplexConsumer.cpp - AST Consumer for PCH Generation --*- C++ -*-===//
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| //
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| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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| // See https://llvm.org/LICENSE.txt for license information.
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| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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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| 
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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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| 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::MacroRead(
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|     serialization::MacroID ID, MacroInfo *MI) {
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|   for (auto &Listener : Listeners)
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|     Listener->MacroRead(ID, MI);
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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, MacroDefinitionRecord *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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| void MultiplexASTDeserializationListener::ModuleRead(
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|     serialization::SubmoduleID ID, Module *Mod) {
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|   for (auto &Listener : Listeners)
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|     Listener->ModuleRead(ID, Mod);
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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 ResolvedExceptionSpec(const FunctionDecl *FD) override;
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|   void DeducedReturnType(const FunctionDecl *FD, QualType ReturnType) override;
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|   void ResolvedOperatorDelete(const CXXDestructorDecl *DD,
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|                               const FunctionDecl *Delete,
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|                               Expr *ThisArg) override;
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|   void CompletedImplicitDefinition(const FunctionDecl *D) override;
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|   void InstantiationRequested(const ValueDecl *D) override;
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|   void VariableDefinitionInstantiated(const VarDecl *D) override;
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|   void FunctionDefinitionInstantiated(const FunctionDecl *D) override;
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|   void DefaultArgumentInstantiated(const ParmVarDecl *D) override;
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|   void DefaultMemberInitializerInstantiated(const FieldDecl *D) override;
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|   void AddedObjCCategoryToInterface(const ObjCCategoryDecl *CatD,
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|                                     const ObjCInterfaceDecl *IFD) override;
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|   void DeclarationMarkedUsed(const Decl *D) override;
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|   void DeclarationMarkedOpenMPThreadPrivate(const Decl *D) override;
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|   void DeclarationMarkedOpenMPAllocate(const Decl *D, const Attr *A) override;
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|   void DeclarationMarkedOpenMPDeclareTarget(const Decl *D,
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|                                             const Attr *Attr) override;
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|   void RedefinedHiddenDefinition(const NamedDecl *D, Module *M) override;
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|   void AddedAttributeToRecord(const Attr *Attr,
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|                               const RecordDecl *Record) 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::ResolvedExceptionSpec(
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|     const FunctionDecl *FD) {
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|   for (auto &Listener : Listeners)
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|     Listener->ResolvedExceptionSpec(FD);
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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::ResolvedOperatorDelete(
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|     const CXXDestructorDecl *DD, const FunctionDecl *Delete, Expr *ThisArg) {
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|   for (auto *L : Listeners)
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|     L->ResolvedOperatorDelete(DD, Delete, ThisArg);
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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::InstantiationRequested(const ValueDecl *D) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->InstantiationRequested(D);
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| }
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| void MultiplexASTMutationListener::VariableDefinitionInstantiated(
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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]->VariableDefinitionInstantiated(D);
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| }
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| void MultiplexASTMutationListener::FunctionDefinitionInstantiated(
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|     const FunctionDecl *D) {
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|   for (auto &Listener : Listeners)
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|     Listener->FunctionDefinitionInstantiated(D);
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| }
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| void MultiplexASTMutationListener::DefaultArgumentInstantiated(
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|                                                          const ParmVarDecl *D) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->DefaultArgumentInstantiated(D);
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| }
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| void MultiplexASTMutationListener::DefaultMemberInitializerInstantiated(
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|                                                            const FieldDecl *D) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->DefaultMemberInitializerInstantiated(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::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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| void MultiplexASTMutationListener::DeclarationMarkedOpenMPThreadPrivate(
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|     const Decl *D) {
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|   for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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|     Listeners[i]->DeclarationMarkedOpenMPThreadPrivate(D);
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| }
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| void MultiplexASTMutationListener::DeclarationMarkedOpenMPAllocate(
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|     const Decl *D, const Attr *A) {
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|   for (ASTMutationListener *L : Listeners)
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|     L->DeclarationMarkedOpenMPAllocate(D, A);
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| }
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| void MultiplexASTMutationListener::DeclarationMarkedOpenMPDeclareTarget(
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|     const Decl *D, const Attr *Attr) {
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|   for (auto *L : Listeners)
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|     L->DeclarationMarkedOpenMPDeclareTarget(D, Attr);
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| }
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| void MultiplexASTMutationListener::RedefinedHiddenDefinition(const NamedDecl *D,
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|                                                              Module *M) {
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|   for (auto *L : Listeners)
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|     L->RedefinedHiddenDefinition(D, M);
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| }
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| 
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| void MultiplexASTMutationListener::AddedAttributeToRecord(
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|                                                     const Attr *Attr,
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|                                                     const RecordDecl *Record) {
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|   for (auto *L : Listeners)
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|     L->AddedAttributeToRecord(Attr, Record);
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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(
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|     std::vector<std::unique_ptr<ASTConsumer>> C)
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|     : Consumers(std::move(C)), MutationListener(), 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 (auto &Consumer : Consumers) {
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|     if (auto *mutationListener = Consumer->GetASTMutationListener())
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|       mutationListeners.push_back(mutationListener);
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|     if (auto *serializationListener = Consumer->GetASTDeserializationListener())
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|       serializationListeners.push_back(serializationListener);
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|   }
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|   if (!mutationListeners.empty()) {
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|     MutationListener =
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|         std::make_unique<MultiplexASTMutationListener>(mutationListeners);
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|   }
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|   if (!serializationListeners.empty()) {
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|     DeserializationListener =
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|         std::make_unique<MultiplexASTDeserializationListener>(
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|             serializationListeners);
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|   }
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| }
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| 
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| MultiplexConsumer::~MultiplexConsumer() {}
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| 
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| void MultiplexConsumer::Initialize(ASTContext &Context) {
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|   for (auto &Consumer : Consumers)
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|     Consumer->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 (auto &Consumer : Consumers)
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|     Continue = Continue && Consumer->HandleTopLevelDecl(D);
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|   return Continue;
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| }
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| 
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| void MultiplexConsumer::HandleInlineFunctionDefinition(FunctionDecl *D) {
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|   for (auto &Consumer : Consumers)
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|     Consumer->HandleInlineFunctionDefinition(D);
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| }
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| 
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| void MultiplexConsumer::HandleCXXStaticMemberVarInstantiation(VarDecl *VD) {
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|   for (auto &Consumer : Consumers)
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|     Consumer->HandleCXXStaticMemberVarInstantiation(VD);
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| }
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| 
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| void MultiplexConsumer::HandleInterestingDecl(DeclGroupRef D) {
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|   for (auto &Consumer : Consumers)
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|     Consumer->HandleInterestingDecl(D);
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| }
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| 
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| void MultiplexConsumer::HandleTranslationUnit(ASTContext &Ctx) {
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|   for (auto &Consumer : Consumers)
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|     Consumer->HandleTranslationUnit(Ctx);
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| }
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| 
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| void MultiplexConsumer::HandleTagDeclDefinition(TagDecl *D) {
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|   for (auto &Consumer : Consumers)
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|     Consumer->HandleTagDeclDefinition(D);
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| }
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| 
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| void MultiplexConsumer::HandleTagDeclRequiredDefinition(const TagDecl *D) {
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|   for (auto &Consumer : Consumers)
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|     Consumer->HandleTagDeclRequiredDefinition(D);
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| }
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| 
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| void MultiplexConsumer::HandleCXXImplicitFunctionInstantiation(FunctionDecl *D){
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|   for (auto &Consumer : Consumers)
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|     Consumer->HandleCXXImplicitFunctionInstantiation(D);
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| }
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| 
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| void MultiplexConsumer::HandleTopLevelDeclInObjCContainer(DeclGroupRef D) {
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|   for (auto &Consumer : Consumers)
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|     Consumer->HandleTopLevelDeclInObjCContainer(D);
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| }
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| 
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| void MultiplexConsumer::HandleImplicitImportDecl(ImportDecl *D) {
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|   for (auto &Consumer : Consumers)
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|     Consumer->HandleImplicitImportDecl(D);
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| }
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| 
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| void MultiplexConsumer::CompleteTentativeDefinition(VarDecl *D) {
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|   for (auto &Consumer : Consumers)
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|     Consumer->CompleteTentativeDefinition(D);
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| }
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| 
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| void MultiplexConsumer::CompleteExternalDeclaration(VarDecl *D) {
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|   for (auto &Consumer : Consumers)
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|     Consumer->CompleteExternalDeclaration(D);
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| }
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| 
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| void MultiplexConsumer::AssignInheritanceModel(CXXRecordDecl *RD) {
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|   for (auto &Consumer : Consumers)
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|     Consumer->AssignInheritanceModel(RD);
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| }
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| 
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| void MultiplexConsumer::HandleVTable(CXXRecordDecl *RD) {
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|   for (auto &Consumer : Consumers)
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|     Consumer->HandleVTable(RD);
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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 (auto &Consumer : Consumers)
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|     Consumer->PrintStats();
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| }
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| 
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| bool MultiplexConsumer::shouldSkipFunctionBody(Decl *D) {
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|   bool Skip = true;
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|   for (auto &Consumer : Consumers)
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|     Skip = Skip && Consumer->shouldSkipFunctionBody(D);
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|   return Skip;
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| }
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| 
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| void MultiplexConsumer::InitializeSema(Sema &S) {
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|   for (auto &Consumer : Consumers)
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|     if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
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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 (auto &Consumer : Consumers)
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|     if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
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|       SC->ForgetSema();
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| }
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