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-rw-r--r--lib/Sema/MultiplexExternalSemaSource.cpp271
1 files changed, 271 insertions, 0 deletions
diff --git a/lib/Sema/MultiplexExternalSemaSource.cpp b/lib/Sema/MultiplexExternalSemaSource.cpp
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+//===--- 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;
+}
+
+DeclContextLookupResult MultiplexExternalSemaSource::
+FindExternalVisibleDeclsByName(const DeclContext *DC, DeclarationName Name) {
+ StoredDeclsList DeclsFound;
+ DeclContextLookupResult lookup;
+ for(size_t i = 0; i < Sources.size(); ++i) {
+ lookup = Sources[i]->FindExternalVisibleDeclsByName(DC, Name);
+ while(lookup.first != lookup.second) {
+ if (!DeclsFound.HandleRedeclaration(*lookup.first))
+ DeclsFound.AddSubsequentDecl(*lookup.first);
+ lookup.first++;
+ }
+ }
+ return DeclsFound.getLookupResult();
+}
+
+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);
+}
+
+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::ReadLocallyScopedExternalDecls(
+ SmallVectorImpl<NamedDecl*> &Decls) {
+ for(size_t i = 0; i < Sources.size(); ++i)
+ Sources[i]->ReadLocallyScopedExternalDecls(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);
+}
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