lib/Sema/MultiplexExternalSemaSource.cpp - fp2-dev/platform/external/clang - Gitiles

 //===--- MultiplexExternalSemaSource.cpp  ---------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file implements the event dispatching to the subscribed clients.
 //
 //===----------------------------------------------------------------------===//
 #include "clang/Sema/MultiplexExternalSemaSource.h"
 #include "clang/AST/DeclContextInternals.h"
 #include "clang/Sema/Lookup.h"

 using namespace clang;

 ///\brief Constructs a new multiplexing external sema source and appends the
 /// given element to it.
 ///
 ///\param[in] source - An ExternalSemaSource.
 ///
 MultiplexExternalSemaSource::MultiplexExternalSemaSource(ExternalSemaSource &s1,
                                                         ExternalSemaSource &s2){
   Sources.push_back(&s1);
   Sources.push_back(&s2);
 }

 // pin the vtable here.
 MultiplexExternalSemaSource::~MultiplexExternalSemaSource() {}

 ///\brief Appends new source to the source list.
 ///
 ///\param[in] source - An ExternalSemaSource.
 ///
 void MultiplexExternalSemaSource::addSource(ExternalSemaSource &source) {
   Sources.push_back(&source);
 }

 //===----------------------------------------------------------------------===//
 // ExternalASTSource.
 //===----------------------------------------------------------------------===//

 Decl *MultiplexExternalSemaSource::GetExternalDecl(uint32_t ID) {
   for(size_t i = 0; i < Sources.size(); ++i)
     if (Decl *Result = Sources[i]->GetExternalDecl(ID))
       return Result;
   return 0;
 }

 Selector MultiplexExternalSemaSource::GetExternalSelector(uint32_t ID) {
   Selector Sel;
   for(size_t i = 0; i < Sources.size(); ++i) {
     Sel = Sources[i]->GetExternalSelector(ID);
     if (!Sel.isNull())
       return Sel;
   }
   return Sel;
 }

 uint32_t MultiplexExternalSemaSource::GetNumExternalSelectors() {
   uint32_t total = 0;
   for(size_t i = 0; i < Sources.size(); ++i)
     total += Sources[i]->GetNumExternalSelectors();
   return total;
 }

 Stmt *MultiplexExternalSemaSource::GetExternalDeclStmt(uint64_t Offset) {
   for(size_t i = 0; i < Sources.size(); ++i)
     if (Stmt *Result = Sources[i]->GetExternalDeclStmt(Offset))
       return Result;
   return 0;
 }

 CXXBaseSpecifier *MultiplexExternalSemaSource::GetExternalCXXBaseSpecifiers(
                                                                uint64_t Offset){
   for(size_t i = 0; i < Sources.size(); ++i)
     if (CXXBaseSpecifier *R = Sources[i]->GetExternalCXXBaseSpecifiers(Offset))
       return R;
   return 0;
 }

 bool MultiplexExternalSemaSource::
 FindExternalVisibleDeclsByName(const DeclContext *DC, DeclarationName Name) {
   bool AnyDeclsFound = false;
   for (size_t i = 0; i < Sources.size(); ++i)
     AnyDeclsFound |= Sources[i]->FindExternalVisibleDeclsByName(DC, Name);
   return AnyDeclsFound;
 }

 void MultiplexExternalSemaSource::completeVisibleDeclsMap(const DeclContext *DC){
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->completeVisibleDeclsMap(DC);
 }

 ExternalLoadResult MultiplexExternalSemaSource::
 FindExternalLexicalDecls(const DeclContext *DC,
                          bool (*isKindWeWant)(Decl::Kind),
                          SmallVectorImpl<Decl*> &Result) {
   for(size_t i = 0; i < Sources.size(); ++i)
     // FIXME: The semantics of the return result is unclear to me...
     Sources[i]->FindExternalLexicalDecls(DC, isKindWeWant, Result);

   return ELR_Success;
 }

 void MultiplexExternalSemaSource::FindFileRegionDecls(FileID File,
                                                       unsigned Offset,
                                                       unsigned Length,
                                                 SmallVectorImpl<Decl *> &Decls){
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->FindFileRegionDecls(File, Offset, Length, Decls);
 }

 void MultiplexExternalSemaSource::CompleteType(TagDecl *Tag) {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->CompleteType(Tag);
 }

 void MultiplexExternalSemaSource::CompleteType(ObjCInterfaceDecl *Class) {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->CompleteType(Class);
 }

 void MultiplexExternalSemaSource::ReadComments() {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ReadComments();
 }

 void MultiplexExternalSemaSource::StartedDeserializing() {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->StartedDeserializing();
 }

 void MultiplexExternalSemaSource::FinishedDeserializing() {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->FinishedDeserializing();
 }

 void MultiplexExternalSemaSource::StartTranslationUnit(ASTConsumer *Consumer) {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->StartTranslationUnit(Consumer);
 }

 void MultiplexExternalSemaSource::PrintStats() {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->PrintStats();
 }

 bool MultiplexExternalSemaSource::layoutRecordType(const RecordDecl *Record,
                                                    uint64_t &Size,
                                                    uint64_t &Alignment,
                       llvm::DenseMap<const FieldDecl *, uint64_t> &FieldOffsets,
                   llvm::DenseMap<const CXXRecordDecl *, CharUnits> &BaseOffsets,
           llvm::DenseMap<const CXXRecordDecl *, CharUnits> &VirtualBaseOffsets){
   for(size_t i = 0; i < Sources.size(); ++i)
     if (Sources[i]->layoutRecordType(Record, Size, Alignment, FieldOffsets,
                                      BaseOffsets, VirtualBaseOffsets))
       return true;
   return false;
 }

 void MultiplexExternalSemaSource::
 getMemoryBufferSizes(MemoryBufferSizes &sizes) const {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->getMemoryBufferSizes(sizes);

 }

 //===----------------------------------------------------------------------===//
 // ExternalSemaSource.
 //===----------------------------------------------------------------------===//


 void MultiplexExternalSemaSource::InitializeSema(Sema &S) {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->InitializeSema(S);
 }

 void MultiplexExternalSemaSource::ForgetSema() {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ForgetSema();
 }

 void MultiplexExternalSemaSource::ReadMethodPool(Selector Sel) {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ReadMethodPool(Sel);
 }

 void MultiplexExternalSemaSource::ReadKnownNamespaces(
                                    SmallVectorImpl<NamespaceDecl*> &Namespaces){
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ReadKnownNamespaces(Namespaces);
 }

 void MultiplexExternalSemaSource::ReadUndefinedButUsed(
                          llvm::DenseMap<NamedDecl*, SourceLocation> &Undefined){
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ReadUndefinedButUsed(Undefined);
 }

 bool MultiplexExternalSemaSource::LookupUnqualified(LookupResult &R, Scope *S){
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->LookupUnqualified(R, S);

   return !R.empty();
 }

 void MultiplexExternalSemaSource::ReadTentativeDefinitions(
                                      SmallVectorImpl<VarDecl*> &TentativeDefs) {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ReadTentativeDefinitions(TentativeDefs);
 }

 void MultiplexExternalSemaSource::ReadUnusedFileScopedDecls(
                                 SmallVectorImpl<const DeclaratorDecl*> &Decls) {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ReadUnusedFileScopedDecls(Decls);
 }

 void MultiplexExternalSemaSource::ReadDelegatingConstructors(
                                   SmallVectorImpl<CXXConstructorDecl*> &Decls) {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ReadDelegatingConstructors(Decls);
 }

 void MultiplexExternalSemaSource::ReadExtVectorDecls(
                                      SmallVectorImpl<TypedefNameDecl*> &Decls) {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ReadExtVectorDecls(Decls);
 }

 void MultiplexExternalSemaSource::ReadDynamicClasses(
                                        SmallVectorImpl<CXXRecordDecl*> &Decls) {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ReadDynamicClasses(Decls);
 }

 void MultiplexExternalSemaSource::ReadLocallyScopedExternCDecls(
                                            SmallVectorImpl<NamedDecl*> &Decls) {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ReadLocallyScopedExternCDecls(Decls);
 }

 void MultiplexExternalSemaSource::ReadReferencedSelectors(
                   SmallVectorImpl<std::pair<Selector, SourceLocation> > &Sels) {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ReadReferencedSelectors(Sels);
 }

 void MultiplexExternalSemaSource::ReadWeakUndeclaredIdentifiers(
                    SmallVectorImpl<std::pair<IdentifierInfo*, WeakInfo> > &WI) {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ReadWeakUndeclaredIdentifiers(WI);
 }

 void MultiplexExternalSemaSource::ReadUsedVTables(
                                   SmallVectorImpl<ExternalVTableUse> &VTables) {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ReadUsedVTables(VTables);
 }

 void MultiplexExternalSemaSource::ReadPendingInstantiations(
                                            SmallVectorImpl<std::pair<ValueDecl*,
                                                    SourceLocation> > &Pending) {
   for(size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ReadPendingInstantiations(Pending);
 }

 void MultiplexExternalSemaSource::ReadLateParsedTemplates(
     llvm::DenseMap<const FunctionDecl *, LateParsedTemplate *> &LPTMap) {
   for (size_t i = 0; i < Sources.size(); ++i)
     Sources[i]->ReadLateParsedTemplates(LPTMap);
 }

 TypoCorrection MultiplexExternalSemaSource::CorrectTypo(
                                      const DeclarationNameInfo &Typo,
                                      int LookupKind, Scope *S, CXXScopeSpec *SS,
                                      CorrectionCandidateCallback &CCC,
                                      DeclContext *MemberContext,
                                      bool EnteringContext,
                                      const ObjCObjectPointerType *OPT) {
   for (size_t I = 0, E = Sources.size(); I < E; ++I) {
     if (TypoCorrection C = Sources[I]->CorrectTypo(Typo, LookupKind, S, SS, CCC,
                                                    MemberContext,
                                                    EnteringContext, OPT))
       return C;
   }
   return TypoCorrection();
 }

 bool MultiplexExternalSemaSource::MaybeDiagnoseMissingCompleteType(
     SourceLocation Loc, QualType T) {
   for (size_t I = 0, E = Sources.size(); I < E; ++I) {
     if (Sources[I]->MaybeDiagnoseMissingCompleteType(Loc, T))
       return true;
   }
   return false;
 }
	//===--- MultiplexExternalSemaSource.cpp ---------------------------------===//
	//
	// The LLVM Compiler Infrastructure
	//
	// This file is distributed under the University of Illinois Open Source
	// License. See LICENSE.TXT for details.
	//
	//===----------------------------------------------------------------------===//
	//
	// This file implements the event dispatching to the subscribed clients.
	//
	//===----------------------------------------------------------------------===//
	#include "clang/Sema/MultiplexExternalSemaSource.h"
	#include "clang/AST/DeclContextInternals.h"
	#include "clang/Sema/Lookup.h"

	using namespace clang;

	///\brief Constructs a new multiplexing external sema source and appends the
	/// given element to it.
	///
	///\param[in] source - An ExternalSemaSource.
	///
	MultiplexExternalSemaSource::MultiplexExternalSemaSource(ExternalSemaSource &s1,
	ExternalSemaSource &s2){
	Sources.push_back(&s1);
	Sources.push_back(&s2);
	}

	// pin the vtable here.
	MultiplexExternalSemaSource::~MultiplexExternalSemaSource() {}

	///\brief Appends new source to the source list.
	///
	///\param[in] source - An ExternalSemaSource.
	///
	void MultiplexExternalSemaSource::addSource(ExternalSemaSource &source) {
	Sources.push_back(&source);
	}

	//===----------------------------------------------------------------------===//
	// ExternalASTSource.
	//===----------------------------------------------------------------------===//

	Decl *MultiplexExternalSemaSource::GetExternalDecl(uint32_t ID) {
	for(size_t i = 0; i < Sources.size(); ++i)
	if (Decl *Result = Sources[i]->GetExternalDecl(ID))
	return Result;
	return 0;
	}

	Selector MultiplexExternalSemaSource::GetExternalSelector(uint32_t ID) {
	Selector Sel;
	for(size_t i = 0; i < Sources.size(); ++i) {
	Sel = Sources[i]->GetExternalSelector(ID);
	if (!Sel.isNull())
	return Sel;
	}
	return Sel;
	}

	uint32_t MultiplexExternalSemaSource::GetNumExternalSelectors() {
	uint32_t total = 0;
	for(size_t i = 0; i < Sources.size(); ++i)
	total += Sources[i]->GetNumExternalSelectors();
	return total;
	}

	Stmt *MultiplexExternalSemaSource::GetExternalDeclStmt(uint64_t Offset) {
	for(size_t i = 0; i < Sources.size(); ++i)
	if (Stmt *Result = Sources[i]->GetExternalDeclStmt(Offset))
	return Result;
	return 0;
	}

	CXXBaseSpecifier *MultiplexExternalSemaSource::GetExternalCXXBaseSpecifiers(
	uint64_t Offset){
	for(size_t i = 0; i < Sources.size(); ++i)
	if (CXXBaseSpecifier *R = Sources[i]->GetExternalCXXBaseSpecifiers(Offset))
	return R;
	return 0;
	}

	bool MultiplexExternalSemaSource::
	FindExternalVisibleDeclsByName(const DeclContext *DC, DeclarationName Name) {
	bool AnyDeclsFound = false;
	for (size_t i = 0; i < Sources.size(); ++i)
	AnyDeclsFound \|= Sources[i]->FindExternalVisibleDeclsByName(DC, Name);
	return AnyDeclsFound;
	}

	void MultiplexExternalSemaSource::completeVisibleDeclsMap(const DeclContext *DC){
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->completeVisibleDeclsMap(DC);
	}

	ExternalLoadResult MultiplexExternalSemaSource::
	FindExternalLexicalDecls(const DeclContext *DC,
	bool (*isKindWeWant)(Decl::Kind),
	SmallVectorImpl<Decl*> &Result) {
	for(size_t i = 0; i < Sources.size(); ++i)
	// FIXME: The semantics of the return result is unclear to me...
	Sources[i]->FindExternalLexicalDecls(DC, isKindWeWant, Result);

	return ELR_Success;
	}

	void MultiplexExternalSemaSource::FindFileRegionDecls(FileID File,
	unsigned Offset,
	unsigned Length,
	SmallVectorImpl<Decl *> &Decls){
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->FindFileRegionDecls(File, Offset, Length, Decls);
	}

	void MultiplexExternalSemaSource::CompleteType(TagDecl *Tag) {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->CompleteType(Tag);
	}

	void MultiplexExternalSemaSource::CompleteType(ObjCInterfaceDecl *Class) {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->CompleteType(Class);
	}

	void MultiplexExternalSemaSource::ReadComments() {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ReadComments();
	}

	void MultiplexExternalSemaSource::StartedDeserializing() {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->StartedDeserializing();
	}

	void MultiplexExternalSemaSource::FinishedDeserializing() {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->FinishedDeserializing();
	}

	void MultiplexExternalSemaSource::StartTranslationUnit(ASTConsumer *Consumer) {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->StartTranslationUnit(Consumer);
	}

	void MultiplexExternalSemaSource::PrintStats() {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->PrintStats();
	}

	bool MultiplexExternalSemaSource::layoutRecordType(const RecordDecl *Record,
	uint64_t &Size,
	uint64_t &Alignment,
	llvm::DenseMap<const FieldDecl *, uint64_t> &FieldOffsets,
	llvm::DenseMap<const CXXRecordDecl *, CharUnits> &BaseOffsets,
	llvm::DenseMap<const CXXRecordDecl *, CharUnits> &VirtualBaseOffsets){
	for(size_t i = 0; i < Sources.size(); ++i)
	if (Sources[i]->layoutRecordType(Record, Size, Alignment, FieldOffsets,
	BaseOffsets, VirtualBaseOffsets))
	return true;
	return false;
	}

	void MultiplexExternalSemaSource::
	getMemoryBufferSizes(MemoryBufferSizes &sizes) const {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->getMemoryBufferSizes(sizes);

	}

	//===----------------------------------------------------------------------===//
	// ExternalSemaSource.
	//===----------------------------------------------------------------------===//


	void MultiplexExternalSemaSource::InitializeSema(Sema &S) {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->InitializeSema(S);
	}

	void MultiplexExternalSemaSource::ForgetSema() {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ForgetSema();
	}

	void MultiplexExternalSemaSource::ReadMethodPool(Selector Sel) {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ReadMethodPool(Sel);
	}

	void MultiplexExternalSemaSource::ReadKnownNamespaces(
	SmallVectorImpl<NamespaceDecl*> &Namespaces){
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ReadKnownNamespaces(Namespaces);
	}

	void MultiplexExternalSemaSource::ReadUndefinedButUsed(
	llvm::DenseMap<NamedDecl*, SourceLocation> &Undefined){
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ReadUndefinedButUsed(Undefined);
	}

	bool MultiplexExternalSemaSource::LookupUnqualified(LookupResult &R, Scope *S){
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->LookupUnqualified(R, S);

	return !R.empty();
	}

	void MultiplexExternalSemaSource::ReadTentativeDefinitions(
	SmallVectorImpl<VarDecl*> &TentativeDefs) {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ReadTentativeDefinitions(TentativeDefs);
	}

	void MultiplexExternalSemaSource::ReadUnusedFileScopedDecls(
	SmallVectorImpl<const DeclaratorDecl*> &Decls) {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ReadUnusedFileScopedDecls(Decls);
	}

	void MultiplexExternalSemaSource::ReadDelegatingConstructors(
	SmallVectorImpl<CXXConstructorDecl*> &Decls) {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ReadDelegatingConstructors(Decls);
	}

	void MultiplexExternalSemaSource::ReadExtVectorDecls(
	SmallVectorImpl<TypedefNameDecl*> &Decls) {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ReadExtVectorDecls(Decls);
	}

	void MultiplexExternalSemaSource::ReadDynamicClasses(
	SmallVectorImpl<CXXRecordDecl*> &Decls) {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ReadDynamicClasses(Decls);
	}

	void MultiplexExternalSemaSource::ReadLocallyScopedExternCDecls(
	SmallVectorImpl<NamedDecl*> &Decls) {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ReadLocallyScopedExternCDecls(Decls);
	}

	void MultiplexExternalSemaSource::ReadReferencedSelectors(
	SmallVectorImpl<std::pair<Selector, SourceLocation> > &Sels) {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ReadReferencedSelectors(Sels);
	}

	void MultiplexExternalSemaSource::ReadWeakUndeclaredIdentifiers(
	SmallVectorImpl<std::pair<IdentifierInfo*, WeakInfo> > &WI) {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ReadWeakUndeclaredIdentifiers(WI);
	}

	void MultiplexExternalSemaSource::ReadUsedVTables(
	SmallVectorImpl<ExternalVTableUse> &VTables) {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ReadUsedVTables(VTables);
	}

	void MultiplexExternalSemaSource::ReadPendingInstantiations(
	SmallVectorImpl<std::pair<ValueDecl*,
	SourceLocation> > &Pending) {
	for(size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ReadPendingInstantiations(Pending);
	}

	void MultiplexExternalSemaSource::ReadLateParsedTemplates(
	llvm::DenseMap<const FunctionDecl , LateParsedTemplate > &LPTMap) {
	for (size_t i = 0; i < Sources.size(); ++i)
	Sources[i]->ReadLateParsedTemplates(LPTMap);
	}

	TypoCorrection MultiplexExternalSemaSource::CorrectTypo(
	const DeclarationNameInfo &Typo,
	int LookupKind, Scope S, CXXScopeSpec SS,
	CorrectionCandidateCallback &CCC,
	DeclContext *MemberContext,
	bool EnteringContext,
	const ObjCObjectPointerType *OPT) {
	for (size_t I = 0, E = Sources.size(); I < E; ++I) {
	if (TypoCorrection C = Sources[I]->CorrectTypo(Typo, LookupKind, S, SS, CCC,
	MemberContext,
	EnteringContext, OPT))
	return C;
	}
	return TypoCorrection();
	}

	bool MultiplexExternalSemaSource::MaybeDiagnoseMissingCompleteType(
	SourceLocation Loc, QualType T) {
	for (size_t I = 0, E = Sources.size(); I < E; ++I) {
	if (Sources[I]->MaybeDiagnoseMissingCompleteType(Loc, T))
	return true;
	}
	return false;
	}