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Implement PCH support for C++ namespaces. 

llvm-svn: 96738
This commit is contained in:
Douglas Gregor 2010-02-21 18:22:14 +00:00
parent e96503faa1
commit e31bbd904d
4 changed files with 33 additions and 3 deletions
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4
clang/include/clang/AST/Decl.h
View File

@ -267,8 +267,8 @@ public:
}
void setAnonymousNamespace(NamespaceDecl *D) {
assert(D->isAnonymousNamespace());
assert(D->getParent() == this);
assert(!D || D->isAnonymousNamespace());
assert(!D || D->getParent() == this);
AnonymousNamespace = D;
}

4
clang/include/clang/Frontend/PCHBitCodes.h
View File

@ -524,7 +524,9 @@ namespace clang {
/// associates a declaration name with one or more declaration
/// IDs. This data is used when performing qualified name lookup
/// into a DeclContext via DeclContext::lookup.
DECL_CONTEXT_VISIBLE
DECL_CONTEXT_VISIBLE,
/// \brief A NamespaceDecl record.
DECL_NAMESPACE
};
/// \brief Record codes for each kind of statement or expression.

17
clang/lib/Frontend/PCHReaderDecl.cpp
View File

@ -39,6 +39,7 @@ namespace {
void VisitDecl(Decl *D);
void VisitTranslationUnitDecl(TranslationUnitDecl *TU);
void VisitNamedDecl(NamedDecl *ND);
void VisitNamespaceDecl(NamespaceDecl *D);
void VisitTypeDecl(TypeDecl *TD);
void VisitTypedefDecl(TypedefDecl *TD);
void VisitTagDecl(TagDecl *TD);
@ -96,6 +97,18 @@ void PCHDeclReader::VisitNamedDecl(NamedDecl *ND) {
ND->setDeclName(Reader.ReadDeclarationName(Record, Idx));
}
void PCHDeclReader::VisitNamespaceDecl(NamespaceDecl *D) {
VisitNamedDecl(D);
D->setLBracLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
D->setRBracLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
D->setNextNamespace(
cast_or_null<NamespaceDecl>(Reader.GetDecl(Record[Idx++])));
D->setOriginalNamespace(
cast_or_null<NamespaceDecl>(Reader.GetDecl(Record[Idx++])));
D->setAnonymousNamespace(
cast_or_null<NamespaceDecl>(Reader.GetDecl(Record[Idx++])));
}
void PCHDeclReader::VisitTypeDecl(TypeDecl *TD) {
VisitNamedDecl(TD);
TD->setTypeForDecl(Reader.GetType(Record[Idx++]).getTypePtr());
@ -743,6 +756,10 @@ Decl *PCHReader::ReadDeclRecord(uint64_t Offset, unsigned Index) {
case pch::DECL_BLOCK:
D = BlockDecl::Create(*Context, 0, SourceLocation());
break;
case pch::DECL_NAMESPACE:
D = NamespaceDecl::Create(*Context, 0, SourceLocation(), 0);
break;
}
assert(D && "Unknown declaration reading PCH file");

11
clang/lib/Frontend/PCHWriterDecl.cpp
View File

@ -42,6 +42,7 @@ namespace {
void VisitDecl(Decl *D);
void VisitTranslationUnitDecl(TranslationUnitDecl *D);
void VisitNamedDecl(NamedDecl *D);
void VisitNamespaceDecl(NamespaceDecl *D);
void VisitTypeDecl(TypeDecl *D);
void VisitTypedefDecl(TypedefDecl *D);
void VisitTagDecl(TagDecl *D);
@ -99,6 +100,16 @@ void PCHDeclWriter::VisitNamedDecl(NamedDecl *D) {
Writer.AddDeclarationName(D->getDeclName(), Record);
}
void PCHDeclWriter::VisitNamespaceDecl(NamespaceDecl *D) {
VisitNamedDecl(D);
Writer.AddSourceLocation(D->getLBracLoc(), Record);
Writer.AddSourceLocation(D->getRBracLoc(), Record);
Writer.AddDeclRef(D->getNextNamespace(), Record);
Writer.AddDeclRef(D->getOriginalNamespace(), Record);
Writer.AddDeclRef(D->getAnonymousNamespace(), Record);
Code = pch::DECL_NAMESPACE;
}
void PCHDeclWriter::VisitTypeDecl(TypeDecl *D) {
VisitNamedDecl(D);
Writer.AddTypeRef(QualType(D->getTypeForDecl(), 0), Record);