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//===- 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();
}