1463 lines
56 KiB
C++
1463 lines
56 KiB
C++
//===--- ASTReaderDecl.cpp - Decl Deserialization ---------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the ASTReader::ReadDeclRecord method, which is the
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// entrypoint for loading a decl.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Serialization/ASTReader.h"
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#include "clang/AST/ASTConsumer.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/DeclVisitor.h"
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#include "clang/AST/DeclGroup.h"
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#include "clang/AST/DeclCXX.h"
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#include "clang/AST/DeclTemplate.h"
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#include "clang/AST/Expr.h"
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using namespace clang;
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using namespace clang::serialization;
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//===----------------------------------------------------------------------===//
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// Declaration deserialization
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//===----------------------------------------------------------------------===//
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namespace clang {
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class ASTDeclReader : public DeclVisitor<ASTDeclReader, void> {
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ASTReader &Reader;
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llvm::BitstreamCursor &Cursor;
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const DeclID ThisDeclID;
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const ASTReader::RecordData &Record;
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unsigned &Idx;
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TypeID TypeIDForTypeDecl;
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uint64_t GetCurrentCursorOffset();
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public:
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ASTDeclReader(ASTReader &Reader, llvm::BitstreamCursor &Cursor,
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DeclID thisDeclID, const ASTReader::RecordData &Record,
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unsigned &Idx)
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: Reader(Reader), Cursor(Cursor), ThisDeclID(thisDeclID), Record(Record),
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Idx(Idx), TypeIDForTypeDecl(0) { }
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void Visit(Decl *D);
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void VisitDecl(Decl *D);
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void VisitTranslationUnitDecl(TranslationUnitDecl *TU);
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void VisitNamedDecl(NamedDecl *ND);
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void VisitNamespaceDecl(NamespaceDecl *D);
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void VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
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void VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
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void VisitTypeDecl(TypeDecl *TD);
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void VisitTypedefDecl(TypedefDecl *TD);
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void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D);
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void VisitTagDecl(TagDecl *TD);
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void VisitEnumDecl(EnumDecl *ED);
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void VisitRecordDecl(RecordDecl *RD);
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void VisitCXXRecordDecl(CXXRecordDecl *D);
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void VisitClassTemplateSpecializationDecl(
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ClassTemplateSpecializationDecl *D);
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void VisitClassTemplatePartialSpecializationDecl(
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ClassTemplatePartialSpecializationDecl *D);
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void VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D);
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void VisitValueDecl(ValueDecl *VD);
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void VisitEnumConstantDecl(EnumConstantDecl *ECD);
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void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D);
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void VisitDeclaratorDecl(DeclaratorDecl *DD);
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void VisitFunctionDecl(FunctionDecl *FD);
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void VisitCXXMethodDecl(CXXMethodDecl *D);
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void VisitCXXConstructorDecl(CXXConstructorDecl *D);
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void VisitCXXDestructorDecl(CXXDestructorDecl *D);
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void VisitCXXConversionDecl(CXXConversionDecl *D);
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void VisitFieldDecl(FieldDecl *FD);
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void VisitVarDecl(VarDecl *VD);
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void VisitImplicitParamDecl(ImplicitParamDecl *PD);
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void VisitParmVarDecl(ParmVarDecl *PD);
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void VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D);
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void VisitTemplateDecl(TemplateDecl *D);
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void VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D);
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void VisitClassTemplateDecl(ClassTemplateDecl *D);
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void VisitFunctionTemplateDecl(FunctionTemplateDecl *D);
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void VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D);
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void VisitUsingDecl(UsingDecl *D);
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void VisitUsingShadowDecl(UsingShadowDecl *D);
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void VisitLinkageSpecDecl(LinkageSpecDecl *D);
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void VisitFileScopeAsmDecl(FileScopeAsmDecl *AD);
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void VisitAccessSpecDecl(AccessSpecDecl *D);
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void VisitFriendDecl(FriendDecl *D);
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void VisitFriendTemplateDecl(FriendTemplateDecl *D);
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void VisitStaticAssertDecl(StaticAssertDecl *D);
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void VisitBlockDecl(BlockDecl *BD);
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std::pair<uint64_t, uint64_t> VisitDeclContext(DeclContext *DC);
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template <typename T> void VisitRedeclarable(Redeclarable<T> *D);
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// FIXME: Reorder according to DeclNodes.td?
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void VisitObjCMethodDecl(ObjCMethodDecl *D);
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void VisitObjCContainerDecl(ObjCContainerDecl *D);
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void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
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void VisitObjCIvarDecl(ObjCIvarDecl *D);
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void VisitObjCProtocolDecl(ObjCProtocolDecl *D);
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void VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D);
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void VisitObjCClassDecl(ObjCClassDecl *D);
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void VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D);
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void VisitObjCCategoryDecl(ObjCCategoryDecl *D);
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void VisitObjCImplDecl(ObjCImplDecl *D);
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void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
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void VisitObjCImplementationDecl(ObjCImplementationDecl *D);
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void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D);
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void VisitObjCPropertyDecl(ObjCPropertyDecl *D);
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void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D);
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};
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}
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uint64_t ASTDeclReader::GetCurrentCursorOffset() {
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uint64_t Off = 0;
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for (unsigned I = 0, N = Reader.Chain.size(); I != N; ++I) {
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ASTReader::PerFileData &F = *Reader.Chain[N - I - 1];
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if (&Cursor == &F.DeclsCursor) {
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Off += F.DeclsCursor.GetCurrentBitNo();
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break;
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}
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Off += F.SizeInBits;
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}
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return Off;
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}
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void ASTDeclReader::Visit(Decl *D) {
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DeclVisitor<ASTDeclReader, void>::Visit(D);
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if (TypeDecl *TD = dyn_cast<TypeDecl>(D)) {
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// if we have a fully initialized TypeDecl, we can safely read its type now.
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TD->setTypeForDecl(Reader.GetType(TypeIDForTypeDecl).getTypePtr());
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} else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
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// FunctionDecl's body was written last after all other Stmts/Exprs.
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if (Record[Idx++])
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FD->setLazyBody(GetCurrentCursorOffset());
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}
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}
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void ASTDeclReader::VisitDecl(Decl *D) {
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D->setDeclContext(cast_or_null<DeclContext>(Reader.GetDecl(Record[Idx++])));
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D->setLexicalDeclContext(
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cast_or_null<DeclContext>(Reader.GetDecl(Record[Idx++])));
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D->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
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D->setInvalidDecl(Record[Idx++]);
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if (Record[Idx++]) {
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AttrVec Attrs;
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Reader.ReadAttributes(Cursor, Attrs);
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D->setAttrs(Attrs);
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}
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D->setImplicit(Record[Idx++]);
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D->setUsed(Record[Idx++]);
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D->setAccess((AccessSpecifier)Record[Idx++]);
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D->setPCHLevel(Record[Idx++] + 1);
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}
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void ASTDeclReader::VisitTranslationUnitDecl(TranslationUnitDecl *TU) {
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VisitDecl(TU);
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TU->setAnonymousNamespace(
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cast_or_null<NamespaceDecl>(Reader.GetDecl(Record[Idx++])));
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}
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void ASTDeclReader::VisitNamedDecl(NamedDecl *ND) {
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VisitDecl(ND);
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ND->setDeclName(Reader.ReadDeclarationName(Record, Idx));
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}
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void ASTDeclReader::VisitTypeDecl(TypeDecl *TD) {
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VisitNamedDecl(TD);
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// Delay type reading until after we have fully initialized the decl.
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TypeIDForTypeDecl = Record[Idx++];
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}
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void ASTDeclReader::VisitTypedefDecl(TypedefDecl *TD) {
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VisitTypeDecl(TD);
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TD->setTypeSourceInfo(Reader.GetTypeSourceInfo(Cursor, Record, Idx));
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}
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void ASTDeclReader::VisitTagDecl(TagDecl *TD) {
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VisitTypeDecl(TD);
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TD->IdentifierNamespace = Record[Idx++];
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VisitRedeclarable(TD);
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TD->setTagKind((TagDecl::TagKind)Record[Idx++]);
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TD->setDefinition(Record[Idx++]);
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TD->setEmbeddedInDeclarator(Record[Idx++]);
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TD->setRBraceLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
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TD->setTagKeywordLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
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// FIXME: maybe read optional qualifier and its range.
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TD->setTypedefForAnonDecl(
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cast_or_null<TypedefDecl>(Reader.GetDecl(Record[Idx++])));
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}
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void ASTDeclReader::VisitEnumDecl(EnumDecl *ED) {
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VisitTagDecl(ED);
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ED->setIntegerType(Reader.GetType(Record[Idx++]));
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ED->setPromotionType(Reader.GetType(Record[Idx++]));
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ED->setNumPositiveBits(Record[Idx++]);
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ED->setNumNegativeBits(Record[Idx++]);
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ED->setInstantiationOfMemberEnum(
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cast_or_null<EnumDecl>(Reader.GetDecl(Record[Idx++])));
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}
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void ASTDeclReader::VisitRecordDecl(RecordDecl *RD) {
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VisitTagDecl(RD);
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RD->setHasFlexibleArrayMember(Record[Idx++]);
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RD->setAnonymousStructOrUnion(Record[Idx++]);
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RD->setHasObjectMember(Record[Idx++]);
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}
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void ASTDeclReader::VisitValueDecl(ValueDecl *VD) {
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VisitNamedDecl(VD);
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VD->setType(Reader.GetType(Record[Idx++]));
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}
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void ASTDeclReader::VisitEnumConstantDecl(EnumConstantDecl *ECD) {
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VisitValueDecl(ECD);
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if (Record[Idx++])
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ECD->setInitExpr(Reader.ReadExpr(Cursor));
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ECD->setInitVal(Reader.ReadAPSInt(Record, Idx));
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}
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void ASTDeclReader::VisitDeclaratorDecl(DeclaratorDecl *DD) {
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VisitValueDecl(DD);
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TypeSourceInfo *TInfo = Reader.GetTypeSourceInfo(Cursor, Record, Idx);
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if (TInfo)
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DD->setTypeSourceInfo(TInfo);
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// FIXME: read optional qualifier and its range.
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}
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void ASTDeclReader::VisitFunctionDecl(FunctionDecl *FD) {
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VisitDeclaratorDecl(FD);
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// FIXME: read DeclarationNameLoc.
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FD->IdentifierNamespace = Record[Idx++];
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switch ((FunctionDecl::TemplatedKind)Record[Idx++]) {
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default: assert(false && "Unhandled TemplatedKind!");
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break;
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case FunctionDecl::TK_NonTemplate:
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break;
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case FunctionDecl::TK_FunctionTemplate:
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FD->setDescribedFunctionTemplate(
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cast<FunctionTemplateDecl>(Reader.GetDecl(Record[Idx++])));
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break;
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case FunctionDecl::TK_MemberSpecialization: {
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FunctionDecl *InstFD = cast<FunctionDecl>(Reader.GetDecl(Record[Idx++]));
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TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
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SourceLocation POI = Reader.ReadSourceLocation(Record, Idx);
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FD->setInstantiationOfMemberFunction(InstFD, TSK);
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FD->getMemberSpecializationInfo()->setPointOfInstantiation(POI);
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break;
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}
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case FunctionDecl::TK_FunctionTemplateSpecialization: {
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FunctionTemplateDecl *Template
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= cast<FunctionTemplateDecl>(Reader.GetDecl(Record[Idx++]));
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TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
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// Template arguments.
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llvm::SmallVector<TemplateArgument, 8> TemplArgs;
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Reader.ReadTemplateArgumentList(TemplArgs, Cursor, Record, Idx);
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// Template args as written.
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llvm::SmallVector<TemplateArgumentLoc, 8> TemplArgLocs;
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SourceLocation LAngleLoc, RAngleLoc;
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if (Record[Idx++]) { // TemplateArgumentsAsWritten != 0
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unsigned NumTemplateArgLocs = Record[Idx++];
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TemplArgLocs.reserve(NumTemplateArgLocs);
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for (unsigned i=0; i != NumTemplateArgLocs; ++i)
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TemplArgLocs.push_back(
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Reader.ReadTemplateArgumentLoc(Cursor, Record, Idx));
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LAngleLoc = Reader.ReadSourceLocation(Record, Idx);
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RAngleLoc = Reader.ReadSourceLocation(Record, Idx);
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}
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SourceLocation POI = Reader.ReadSourceLocation(Record, Idx);
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if (FD->isCanonicalDecl()) // if canonical add to template's set.
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FD->setFunctionTemplateSpecialization(Template, TemplArgs.size(),
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TemplArgs.data(), TSK,
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TemplArgLocs.size(),
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TemplArgLocs.data(),
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LAngleLoc, RAngleLoc, POI);
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break;
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}
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case FunctionDecl::TK_DependentFunctionTemplateSpecialization: {
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// Templates.
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UnresolvedSet<8> TemplDecls;
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unsigned NumTemplates = Record[Idx++];
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while (NumTemplates--)
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TemplDecls.addDecl(cast<NamedDecl>(Reader.GetDecl(Record[Idx++])));
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// Templates args.
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TemplateArgumentListInfo TemplArgs;
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unsigned NumArgs = Record[Idx++];
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while (NumArgs--)
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TemplArgs.addArgument(Reader.ReadTemplateArgumentLoc(Cursor,Record, Idx));
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TemplArgs.setLAngleLoc(Reader.ReadSourceLocation(Record, Idx));
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TemplArgs.setRAngleLoc(Reader.ReadSourceLocation(Record, Idx));
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FD->setDependentTemplateSpecialization(*Reader.getContext(),
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TemplDecls, TemplArgs);
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break;
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}
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}
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// FunctionDecl's body is handled last at ASTDeclReader::Visit,
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// after everything else is read.
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VisitRedeclarable(FD);
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FD->setStorageClass((StorageClass)Record[Idx++]);
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FD->setStorageClassAsWritten((StorageClass)Record[Idx++]);
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FD->setInlineSpecified(Record[Idx++]);
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FD->setVirtualAsWritten(Record[Idx++]);
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FD->setPure(Record[Idx++]);
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FD->setHasInheritedPrototype(Record[Idx++]);
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FD->setHasWrittenPrototype(Record[Idx++]);
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FD->setDeleted(Record[Idx++]);
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FD->setTrivial(Record[Idx++]);
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FD->setCopyAssignment(Record[Idx++]);
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FD->setHasImplicitReturnZero(Record[Idx++]);
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FD->setLocEnd(SourceLocation::getFromRawEncoding(Record[Idx++]));
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// Read in the parameters.
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unsigned NumParams = Record[Idx++];
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llvm::SmallVector<ParmVarDecl *, 16> Params;
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Params.reserve(NumParams);
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for (unsigned I = 0; I != NumParams; ++I)
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Params.push_back(cast<ParmVarDecl>(Reader.GetDecl(Record[Idx++])));
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FD->setParams(Params.data(), NumParams);
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}
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void ASTDeclReader::VisitObjCMethodDecl(ObjCMethodDecl *MD) {
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VisitNamedDecl(MD);
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if (Record[Idx++]) {
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// In practice, this won't be executed (since method definitions
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// don't occur in header files).
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MD->setBody(Reader.ReadStmt(Cursor));
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MD->setSelfDecl(cast<ImplicitParamDecl>(Reader.GetDecl(Record[Idx++])));
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MD->setCmdDecl(cast<ImplicitParamDecl>(Reader.GetDecl(Record[Idx++])));
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}
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MD->setInstanceMethod(Record[Idx++]);
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MD->setVariadic(Record[Idx++]);
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MD->setSynthesized(Record[Idx++]);
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MD->setDefined(Record[Idx++]);
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MD->setDeclImplementation((ObjCMethodDecl::ImplementationControl)Record[Idx++]);
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MD->setObjCDeclQualifier((Decl::ObjCDeclQualifier)Record[Idx++]);
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MD->setNumSelectorArgs(unsigned(Record[Idx++]));
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MD->setResultType(Reader.GetType(Record[Idx++]));
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MD->setResultTypeSourceInfo(Reader.GetTypeSourceInfo(Cursor, Record, Idx));
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MD->setEndLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
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unsigned NumParams = Record[Idx++];
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llvm::SmallVector<ParmVarDecl *, 16> Params;
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Params.reserve(NumParams);
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for (unsigned I = 0; I != NumParams; ++I)
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Params.push_back(cast<ParmVarDecl>(Reader.GetDecl(Record[Idx++])));
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MD->setMethodParams(*Reader.getContext(), Params.data(), NumParams,
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NumParams);
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}
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void ASTDeclReader::VisitObjCContainerDecl(ObjCContainerDecl *CD) {
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VisitNamedDecl(CD);
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SourceLocation A = SourceLocation::getFromRawEncoding(Record[Idx++]);
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SourceLocation B = SourceLocation::getFromRawEncoding(Record[Idx++]);
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CD->setAtEndRange(SourceRange(A, B));
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}
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void ASTDeclReader::VisitObjCInterfaceDecl(ObjCInterfaceDecl *ID) {
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VisitObjCContainerDecl(ID);
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ID->setTypeForDecl(Reader.GetType(Record[Idx++]).getTypePtr());
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ID->setSuperClass(cast_or_null<ObjCInterfaceDecl>
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(Reader.GetDecl(Record[Idx++])));
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// Read the directly referenced protocols and their SourceLocations.
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unsigned NumProtocols = Record[Idx++];
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llvm::SmallVector<ObjCProtocolDecl *, 16> Protocols;
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Protocols.reserve(NumProtocols);
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for (unsigned I = 0; I != NumProtocols; ++I)
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Protocols.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
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llvm::SmallVector<SourceLocation, 16> ProtoLocs;
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ProtoLocs.reserve(NumProtocols);
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for (unsigned I = 0; I != NumProtocols; ++I)
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ProtoLocs.push_back(SourceLocation::getFromRawEncoding(Record[Idx++]));
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ID->setProtocolList(Protocols.data(), NumProtocols, ProtoLocs.data(),
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*Reader.getContext());
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// Read the transitive closure of protocols referenced by this class.
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NumProtocols = Record[Idx++];
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Protocols.clear();
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Protocols.reserve(NumProtocols);
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for (unsigned I = 0; I != NumProtocols; ++I)
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Protocols.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
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ID->AllReferencedProtocols.set(Protocols.data(), NumProtocols,
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*Reader.getContext());
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// Read the ivars.
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unsigned NumIvars = Record[Idx++];
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llvm::SmallVector<ObjCIvarDecl *, 16> IVars;
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IVars.reserve(NumIvars);
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for (unsigned I = 0; I != NumIvars; ++I)
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IVars.push_back(cast<ObjCIvarDecl>(Reader.GetDecl(Record[Idx++])));
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ID->setCategoryList(
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cast_or_null<ObjCCategoryDecl>(Reader.GetDecl(Record[Idx++])));
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// We will rebuild this list lazily.
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ID->setIvarList(0);
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ID->setForwardDecl(Record[Idx++]);
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ID->setImplicitInterfaceDecl(Record[Idx++]);
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ID->setClassLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
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ID->setSuperClassLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
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ID->setLocEnd(SourceLocation::getFromRawEncoding(Record[Idx++]));
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}
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void ASTDeclReader::VisitObjCIvarDecl(ObjCIvarDecl *IVD) {
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VisitFieldDecl(IVD);
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IVD->setAccessControl((ObjCIvarDecl::AccessControl)Record[Idx++]);
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// This field will be built lazily.
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IVD->setNextIvar(0);
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bool synth = Record[Idx++];
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IVD->setSynthesize(synth);
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}
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void ASTDeclReader::VisitObjCProtocolDecl(ObjCProtocolDecl *PD) {
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VisitObjCContainerDecl(PD);
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PD->setForwardDecl(Record[Idx++]);
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PD->setLocEnd(SourceLocation::getFromRawEncoding(Record[Idx++]));
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unsigned NumProtoRefs = Record[Idx++];
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llvm::SmallVector<ObjCProtocolDecl *, 16> ProtoRefs;
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ProtoRefs.reserve(NumProtoRefs);
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for (unsigned I = 0; I != NumProtoRefs; ++I)
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ProtoRefs.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
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llvm::SmallVector<SourceLocation, 16> ProtoLocs;
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ProtoLocs.reserve(NumProtoRefs);
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for (unsigned I = 0; I != NumProtoRefs; ++I)
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ProtoLocs.push_back(SourceLocation::getFromRawEncoding(Record[Idx++]));
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PD->setProtocolList(ProtoRefs.data(), NumProtoRefs, ProtoLocs.data(),
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*Reader.getContext());
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}
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void ASTDeclReader::VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *FD) {
|
|
VisitFieldDecl(FD);
|
|
}
|
|
|
|
void ASTDeclReader::VisitObjCClassDecl(ObjCClassDecl *CD) {
|
|
VisitDecl(CD);
|
|
unsigned NumClassRefs = Record[Idx++];
|
|
llvm::SmallVector<ObjCInterfaceDecl *, 16> ClassRefs;
|
|
ClassRefs.reserve(NumClassRefs);
|
|
for (unsigned I = 0; I != NumClassRefs; ++I)
|
|
ClassRefs.push_back(cast<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
|
|
llvm::SmallVector<SourceLocation, 16> SLocs;
|
|
SLocs.reserve(NumClassRefs);
|
|
for (unsigned I = 0; I != NumClassRefs; ++I)
|
|
SLocs.push_back(SourceLocation::getFromRawEncoding(Record[Idx++]));
|
|
CD->setClassList(*Reader.getContext(), ClassRefs.data(), SLocs.data(),
|
|
NumClassRefs);
|
|
}
|
|
|
|
void ASTDeclReader::VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *FPD) {
|
|
VisitDecl(FPD);
|
|
unsigned NumProtoRefs = Record[Idx++];
|
|
llvm::SmallVector<ObjCProtocolDecl *, 16> ProtoRefs;
|
|
ProtoRefs.reserve(NumProtoRefs);
|
|
for (unsigned I = 0; I != NumProtoRefs; ++I)
|
|
ProtoRefs.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
|
|
llvm::SmallVector<SourceLocation, 16> ProtoLocs;
|
|
ProtoLocs.reserve(NumProtoRefs);
|
|
for (unsigned I = 0; I != NumProtoRefs; ++I)
|
|
ProtoLocs.push_back(SourceLocation::getFromRawEncoding(Record[Idx++]));
|
|
FPD->setProtocolList(ProtoRefs.data(), NumProtoRefs, ProtoLocs.data(),
|
|
*Reader.getContext());
|
|
}
|
|
|
|
void ASTDeclReader::VisitObjCCategoryDecl(ObjCCategoryDecl *CD) {
|
|
VisitObjCContainerDecl(CD);
|
|
CD->setClassInterface(cast<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
|
|
unsigned NumProtoRefs = Record[Idx++];
|
|
llvm::SmallVector<ObjCProtocolDecl *, 16> ProtoRefs;
|
|
ProtoRefs.reserve(NumProtoRefs);
|
|
for (unsigned I = 0; I != NumProtoRefs; ++I)
|
|
ProtoRefs.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
|
|
llvm::SmallVector<SourceLocation, 16> ProtoLocs;
|
|
ProtoLocs.reserve(NumProtoRefs);
|
|
for (unsigned I = 0; I != NumProtoRefs; ++I)
|
|
ProtoLocs.push_back(SourceLocation::getFromRawEncoding(Record[Idx++]));
|
|
CD->setProtocolList(ProtoRefs.data(), NumProtoRefs, ProtoLocs.data(),
|
|
*Reader.getContext());
|
|
CD->setNextClassCategory(cast_or_null<ObjCCategoryDecl>(Reader.GetDecl(Record[Idx++])));
|
|
CD->setHasSynthBitfield(Record[Idx++]);
|
|
CD->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
|
|
CD->setCategoryNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
|
|
}
|
|
|
|
void ASTDeclReader::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *CAD) {
|
|
VisitNamedDecl(CAD);
|
|
CAD->setClassInterface(cast<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
|
|
}
|
|
|
|
void ASTDeclReader::VisitObjCPropertyDecl(ObjCPropertyDecl *D) {
|
|
VisitNamedDecl(D);
|
|
D->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
|
|
D->setType(Reader.GetTypeSourceInfo(Cursor, Record, Idx));
|
|
// FIXME: stable encoding
|
|
D->setPropertyAttributes(
|
|
(ObjCPropertyDecl::PropertyAttributeKind)Record[Idx++]);
|
|
D->setPropertyAttributesAsWritten(
|
|
(ObjCPropertyDecl::PropertyAttributeKind)Record[Idx++]);
|
|
// FIXME: stable encoding
|
|
D->setPropertyImplementation(
|
|
(ObjCPropertyDecl::PropertyControl)Record[Idx++]);
|
|
D->setGetterName(Reader.ReadDeclarationName(Record, Idx).getObjCSelector());
|
|
D->setSetterName(Reader.ReadDeclarationName(Record, Idx).getObjCSelector());
|
|
D->setGetterMethodDecl(
|
|
cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++])));
|
|
D->setSetterMethodDecl(
|
|
cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++])));
|
|
D->setPropertyIvarDecl(
|
|
cast_or_null<ObjCIvarDecl>(Reader.GetDecl(Record[Idx++])));
|
|
}
|
|
|
|
void ASTDeclReader::VisitObjCImplDecl(ObjCImplDecl *D) {
|
|
VisitObjCContainerDecl(D);
|
|
D->setClassInterface(
|
|
cast_or_null<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
|
|
}
|
|
|
|
void ASTDeclReader::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
|
|
VisitObjCImplDecl(D);
|
|
D->setIdentifier(Reader.GetIdentifierInfo(Record, Idx));
|
|
}
|
|
|
|
void ASTDeclReader::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
|
|
VisitObjCImplDecl(D);
|
|
D->setSuperClass(
|
|
cast_or_null<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
|
|
llvm::tie(D->IvarInitializers, D->NumIvarInitializers)
|
|
= Reader.ReadCXXBaseOrMemberInitializers(Cursor, Record, Idx);
|
|
D->setHasSynthBitfield(Record[Idx++]);
|
|
}
|
|
|
|
|
|
void ASTDeclReader::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) {
|
|
VisitDecl(D);
|
|
D->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
|
|
D->setPropertyDecl(
|
|
cast_or_null<ObjCPropertyDecl>(Reader.GetDecl(Record[Idx++])));
|
|
D->setPropertyIvarDecl(
|
|
cast_or_null<ObjCIvarDecl>(Reader.GetDecl(Record[Idx++])));
|
|
D->setGetterCXXConstructor(Reader.ReadExpr(Cursor));
|
|
D->setSetterCXXAssignment(Reader.ReadExpr(Cursor));
|
|
}
|
|
|
|
void ASTDeclReader::VisitFieldDecl(FieldDecl *FD) {
|
|
VisitDeclaratorDecl(FD);
|
|
FD->setMutable(Record[Idx++]);
|
|
if (Record[Idx++])
|
|
FD->setBitWidth(Reader.ReadExpr(Cursor));
|
|
if (!FD->getDeclName()) {
|
|
FieldDecl *Tmpl = cast_or_null<FieldDecl>(Reader.GetDecl(Record[Idx++]));
|
|
if (Tmpl)
|
|
Reader.getContext()->setInstantiatedFromUnnamedFieldDecl(FD, Tmpl);
|
|
}
|
|
}
|
|
|
|
void ASTDeclReader::VisitVarDecl(VarDecl *VD) {
|
|
VisitDeclaratorDecl(VD);
|
|
VD->setStorageClass((StorageClass)Record[Idx++]);
|
|
VD->setStorageClassAsWritten((StorageClass)Record[Idx++]);
|
|
VD->setThreadSpecified(Record[Idx++]);
|
|
VD->setCXXDirectInitializer(Record[Idx++]);
|
|
VD->setExceptionVariable(Record[Idx++]);
|
|
VD->setNRVOVariable(Record[Idx++]);
|
|
VisitRedeclarable(VD);
|
|
if (Record[Idx++])
|
|
VD->setInit(Reader.ReadExpr(Cursor));
|
|
|
|
if (Record[Idx++]) { // HasMemberSpecializationInfo.
|
|
VarDecl *Tmpl = cast<VarDecl>(Reader.GetDecl(Record[Idx++]));
|
|
TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
|
|
SourceLocation POI = Reader.ReadSourceLocation(Record, Idx);
|
|
Reader.getContext()->setInstantiatedFromStaticDataMember(VD, Tmpl, TSK,POI);
|
|
}
|
|
}
|
|
|
|
void ASTDeclReader::VisitImplicitParamDecl(ImplicitParamDecl *PD) {
|
|
VisitVarDecl(PD);
|
|
}
|
|
|
|
void ASTDeclReader::VisitParmVarDecl(ParmVarDecl *PD) {
|
|
VisitVarDecl(PD);
|
|
PD->setObjCDeclQualifier((Decl::ObjCDeclQualifier)Record[Idx++]);
|
|
PD->setHasInheritedDefaultArg(Record[Idx++]);
|
|
if (Record[Idx++]) // hasUninstantiatedDefaultArg.
|
|
PD->setUninstantiatedDefaultArg(Reader.ReadExpr(Cursor));
|
|
}
|
|
|
|
void ASTDeclReader::VisitFileScopeAsmDecl(FileScopeAsmDecl *AD) {
|
|
VisitDecl(AD);
|
|
AD->setAsmString(cast<StringLiteral>(Reader.ReadExpr(Cursor)));
|
|
}
|
|
|
|
void ASTDeclReader::VisitBlockDecl(BlockDecl *BD) {
|
|
VisitDecl(BD);
|
|
BD->setBody(cast_or_null<CompoundStmt>(Reader.ReadStmt(Cursor)));
|
|
BD->setSignatureAsWritten(Reader.GetTypeSourceInfo(Cursor, Record, Idx));
|
|
unsigned NumParams = Record[Idx++];
|
|
llvm::SmallVector<ParmVarDecl *, 16> Params;
|
|
Params.reserve(NumParams);
|
|
for (unsigned I = 0; I != NumParams; ++I)
|
|
Params.push_back(cast<ParmVarDecl>(Reader.GetDecl(Record[Idx++])));
|
|
BD->setParams(Params.data(), NumParams);
|
|
}
|
|
|
|
void ASTDeclReader::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
|
|
VisitDecl(D);
|
|
D->setLanguage((LinkageSpecDecl::LanguageIDs)Record[Idx++]);
|
|
D->setHasBraces(Record[Idx++]);
|
|
}
|
|
|
|
void ASTDeclReader::VisitNamespaceDecl(NamespaceDecl *D) {
|
|
VisitNamedDecl(D);
|
|
D->setLBracLoc(Reader.ReadSourceLocation(Record, Idx));
|
|
D->setRBracLoc(Reader.ReadSourceLocation(Record, Idx));
|
|
D->setNextNamespace(
|
|
cast_or_null<NamespaceDecl>(Reader.GetDecl(Record[Idx++])));
|
|
|
|
bool IsOriginal = Record[Idx++];
|
|
D->OrigOrAnonNamespace.setInt(IsOriginal);
|
|
D->OrigOrAnonNamespace.setPointer(
|
|
cast_or_null<NamespaceDecl>(Reader.GetDecl(Record[Idx++])));
|
|
}
|
|
|
|
void ASTDeclReader::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
|
|
VisitNamedDecl(D);
|
|
D->NamespaceLoc = Reader.ReadSourceLocation(Record, Idx);
|
|
D->setQualifierRange(Reader.ReadSourceRange(Record, Idx));
|
|
D->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx));
|
|
D->IdentLoc = Reader.ReadSourceLocation(Record, Idx);
|
|
D->Namespace = cast<NamedDecl>(Reader.GetDecl(Record[Idx++]));
|
|
}
|
|
|
|
void ASTDeclReader::VisitUsingDecl(UsingDecl *D) {
|
|
VisitNamedDecl(D);
|
|
D->setUsingLocation(Reader.ReadSourceLocation(Record, Idx));
|
|
D->setNestedNameRange(Reader.ReadSourceRange(Record, Idx));
|
|
D->setTargetNestedNameDecl(Reader.ReadNestedNameSpecifier(Record, Idx));
|
|
// FIXME: read the DNLoc component.
|
|
|
|
// FIXME: It would probably be more efficient to read these into a vector
|
|
// and then re-cosntruct the shadow decl set over that vector since it
|
|
// would avoid existence checks.
|
|
unsigned NumShadows = Record[Idx++];
|
|
for(unsigned I = 0; I != NumShadows; ++I) {
|
|
// Avoid invariant checking of UsingDecl::addShadowDecl, the decl may still
|
|
// be initializing.
|
|
D->Shadows.insert(cast<UsingShadowDecl>(Reader.GetDecl(Record[Idx++])));
|
|
}
|
|
D->setTypeName(Record[Idx++]);
|
|
NamedDecl *Pattern = cast_or_null<NamedDecl>(Reader.GetDecl(Record[Idx++]));
|
|
if (Pattern)
|
|
Reader.getContext()->setInstantiatedFromUsingDecl(D, Pattern);
|
|
}
|
|
|
|
void ASTDeclReader::VisitUsingShadowDecl(UsingShadowDecl *D) {
|
|
VisitNamedDecl(D);
|
|
D->setTargetDecl(cast<NamedDecl>(Reader.GetDecl(Record[Idx++])));
|
|
D->setUsingDecl(cast<UsingDecl>(Reader.GetDecl(Record[Idx++])));
|
|
UsingShadowDecl *Pattern
|
|
= cast_or_null<UsingShadowDecl>(Reader.GetDecl(Record[Idx++]));
|
|
if (Pattern)
|
|
Reader.getContext()->setInstantiatedFromUsingShadowDecl(D, Pattern);
|
|
}
|
|
|
|
void ASTDeclReader::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
|
|
VisitNamedDecl(D);
|
|
D->UsingLoc = Reader.ReadSourceLocation(Record, Idx);
|
|
D->NamespaceLoc = Reader.ReadSourceLocation(Record, Idx);
|
|
D->QualifierRange = Reader.ReadSourceRange(Record, Idx);
|
|
D->Qualifier = Reader.ReadNestedNameSpecifier(Record, Idx);
|
|
D->NominatedNamespace = cast<NamedDecl>(Reader.GetDecl(Record[Idx++]));
|
|
D->CommonAncestor = cast_or_null<DeclContext>(Reader.GetDecl(Record[Idx++]));
|
|
}
|
|
|
|
void ASTDeclReader::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
|
|
VisitValueDecl(D);
|
|
D->setTargetNestedNameRange(Reader.ReadSourceRange(Record, Idx));
|
|
D->setUsingLoc(Reader.ReadSourceLocation(Record, Idx));
|
|
D->setTargetNestedNameSpecifier(Reader.ReadNestedNameSpecifier(Record, Idx));
|
|
// FIXME: read the DNLoc component.
|
|
}
|
|
|
|
void ASTDeclReader::VisitUnresolvedUsingTypenameDecl(
|
|
UnresolvedUsingTypenameDecl *D) {
|
|
VisitTypeDecl(D);
|
|
D->TargetNestedNameRange = Reader.ReadSourceRange(Record, Idx);
|
|
D->UsingLocation = Reader.ReadSourceLocation(Record, Idx);
|
|
D->TypenameLocation = Reader.ReadSourceLocation(Record, Idx);
|
|
D->TargetNestedNameSpecifier = Reader.ReadNestedNameSpecifier(Record, Idx);
|
|
}
|
|
|
|
void ASTDeclReader::VisitCXXRecordDecl(CXXRecordDecl *D) {
|
|
ASTContext &C = *Reader.getContext();
|
|
|
|
// We need to allocate the DefinitionData struct ahead of VisitRecordDecl
|
|
// so that the other CXXRecordDecls can get a pointer even when the owner
|
|
// is still initializing.
|
|
bool OwnsDefinitionData = false;
|
|
enum DataOwnership { Data_NoDefData, Data_Owner, Data_NotOwner };
|
|
switch ((DataOwnership)Record[Idx++]) {
|
|
default:
|
|
assert(0 && "Out of sync with ASTDeclWriter or messed up reading");
|
|
case Data_NoDefData:
|
|
break;
|
|
case Data_Owner:
|
|
OwnsDefinitionData = true;
|
|
D->DefinitionData = new (C) struct CXXRecordDecl::DefinitionData(D);
|
|
break;
|
|
case Data_NotOwner:
|
|
D->DefinitionData
|
|
= cast<CXXRecordDecl>(Reader.GetDecl(Record[Idx++]))->DefinitionData;
|
|
break;
|
|
}
|
|
|
|
VisitRecordDecl(D);
|
|
|
|
if (OwnsDefinitionData) {
|
|
assert(D->DefinitionData);
|
|
struct CXXRecordDecl::DefinitionData &Data = *D->DefinitionData;
|
|
|
|
Data.UserDeclaredConstructor = Record[Idx++];
|
|
Data.UserDeclaredCopyConstructor = Record[Idx++];
|
|
Data.UserDeclaredCopyAssignment = Record[Idx++];
|
|
Data.UserDeclaredDestructor = Record[Idx++];
|
|
Data.Aggregate = Record[Idx++];
|
|
Data.PlainOldData = Record[Idx++];
|
|
Data.Empty = Record[Idx++];
|
|
Data.Polymorphic = Record[Idx++];
|
|
Data.Abstract = Record[Idx++];
|
|
Data.HasTrivialConstructor = Record[Idx++];
|
|
Data.HasTrivialCopyConstructor = Record[Idx++];
|
|
Data.HasTrivialCopyAssignment = Record[Idx++];
|
|
Data.HasTrivialDestructor = Record[Idx++];
|
|
Data.ComputedVisibleConversions = Record[Idx++];
|
|
Data.DeclaredDefaultConstructor = Record[Idx++];
|
|
Data.DeclaredCopyConstructor = Record[Idx++];
|
|
Data.DeclaredCopyAssignment = Record[Idx++];
|
|
Data.DeclaredDestructor = Record[Idx++];
|
|
|
|
// setBases() is unsuitable since it may try to iterate the bases of an
|
|
// uninitialized base.
|
|
Data.NumBases = Record[Idx++];
|
|
Data.Bases = new(C) CXXBaseSpecifier [Data.NumBases];
|
|
for (unsigned i = 0; i != Data.NumBases; ++i)
|
|
Data.Bases[i] = Reader.ReadCXXBaseSpecifier(Cursor, Record, Idx);
|
|
|
|
// FIXME: Make VBases lazily computed when needed to avoid storing them.
|
|
Data.NumVBases = Record[Idx++];
|
|
Data.VBases = new(C) CXXBaseSpecifier [Data.NumVBases];
|
|
for (unsigned i = 0; i != Data.NumVBases; ++i)
|
|
Data.VBases[i] = Reader.ReadCXXBaseSpecifier(Cursor, Record, Idx);
|
|
|
|
Reader.ReadUnresolvedSet(Data.Conversions, Record, Idx);
|
|
Reader.ReadUnresolvedSet(Data.VisibleConversions, Record, Idx);
|
|
assert(Data.Definition && "Data.Definition should be already set!");
|
|
Data.FirstFriend
|
|
= cast_or_null<FriendDecl>(Reader.GetDecl(Record[Idx++]));
|
|
}
|
|
|
|
enum CXXRecKind {
|
|
CXXRecNotTemplate = 0, CXXRecTemplate, CXXRecMemberSpecialization
|
|
};
|
|
switch ((CXXRecKind)Record[Idx++]) {
|
|
default:
|
|
assert(false && "Out of sync with ASTDeclWriter::VisitCXXRecordDecl?");
|
|
case CXXRecNotTemplate:
|
|
break;
|
|
case CXXRecTemplate:
|
|
D->setDescribedClassTemplate(
|
|
cast<ClassTemplateDecl>(Reader.GetDecl(Record[Idx++])));
|
|
break;
|
|
case CXXRecMemberSpecialization: {
|
|
CXXRecordDecl *RD = cast<CXXRecordDecl>(Reader.GetDecl(Record[Idx++]));
|
|
TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
|
|
SourceLocation POI = Reader.ReadSourceLocation(Record, Idx);
|
|
D->setInstantiationOfMemberClass(RD, TSK);
|
|
D->getMemberSpecializationInfo()->setPointOfInstantiation(POI);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ASTDeclReader::VisitCXXMethodDecl(CXXMethodDecl *D) {
|
|
VisitFunctionDecl(D);
|
|
unsigned NumOverridenMethods = Record[Idx++];
|
|
while (NumOverridenMethods--) {
|
|
CXXMethodDecl *MD = cast<CXXMethodDecl>(Reader.GetDecl(Record[Idx++]));
|
|
// Avoid invariant checking of CXXMethodDecl::addOverriddenMethod,
|
|
// MD may be initializing.
|
|
Reader.getContext()->addOverriddenMethod(D, MD);
|
|
}
|
|
}
|
|
|
|
void ASTDeclReader::VisitCXXConstructorDecl(CXXConstructorDecl *D) {
|
|
VisitCXXMethodDecl(D);
|
|
|
|
D->IsExplicitSpecified = Record[Idx++];
|
|
D->ImplicitlyDefined = Record[Idx++];
|
|
llvm::tie(D->BaseOrMemberInitializers, D->NumBaseOrMemberInitializers)
|
|
= Reader.ReadCXXBaseOrMemberInitializers(Cursor, Record, Idx);
|
|
}
|
|
|
|
void ASTDeclReader::VisitCXXDestructorDecl(CXXDestructorDecl *D) {
|
|
VisitCXXMethodDecl(D);
|
|
|
|
D->ImplicitlyDefined = Record[Idx++];
|
|
D->OperatorDelete = cast_or_null<FunctionDecl>(Reader.GetDecl(Record[Idx++]));
|
|
}
|
|
|
|
void ASTDeclReader::VisitCXXConversionDecl(CXXConversionDecl *D) {
|
|
VisitCXXMethodDecl(D);
|
|
D->IsExplicitSpecified = Record[Idx++];
|
|
}
|
|
|
|
void ASTDeclReader::VisitAccessSpecDecl(AccessSpecDecl *D) {
|
|
VisitDecl(D);
|
|
D->setColonLoc(Reader.ReadSourceLocation(Record, Idx));
|
|
}
|
|
|
|
void ASTDeclReader::VisitFriendDecl(FriendDecl *D) {
|
|
VisitDecl(D);
|
|
if (Record[Idx++])
|
|
D->Friend = Reader.GetTypeSourceInfo(Cursor, Record, Idx);
|
|
else
|
|
D->Friend = cast<NamedDecl>(Reader.GetDecl(Record[Idx++]));
|
|
D->NextFriend = cast_or_null<FriendDecl>(Reader.GetDecl(Record[Idx++]));
|
|
D->FriendLoc = Reader.ReadSourceLocation(Record, Idx);
|
|
}
|
|
|
|
void ASTDeclReader::VisitFriendTemplateDecl(FriendTemplateDecl *D) {
|
|
VisitDecl(D);
|
|
unsigned NumParams = Record[Idx++];
|
|
D->NumParams = NumParams;
|
|
D->Params = new TemplateParameterList*[NumParams];
|
|
for (unsigned i = 0; i != NumParams; ++i)
|
|
D->Params[i] = Reader.ReadTemplateParameterList(Record, Idx);
|
|
if (Record[Idx++]) // HasFriendDecl
|
|
D->Friend = cast<NamedDecl>(Reader.GetDecl(Record[Idx++]));
|
|
else
|
|
D->Friend = Reader.GetTypeSourceInfo(Cursor, Record, Idx);
|
|
D->FriendLoc = Reader.ReadSourceLocation(Record, Idx);
|
|
}
|
|
|
|
void ASTDeclReader::VisitTemplateDecl(TemplateDecl *D) {
|
|
VisitNamedDecl(D);
|
|
|
|
NamedDecl *TemplatedDecl
|
|
= cast_or_null<NamedDecl>(Reader.GetDecl(Record[Idx++]));
|
|
TemplateParameterList* TemplateParams
|
|
= Reader.ReadTemplateParameterList(Record, Idx);
|
|
D->init(TemplatedDecl, TemplateParams);
|
|
}
|
|
|
|
void ASTDeclReader::VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D) {
|
|
VisitTemplateDecl(D);
|
|
|
|
D->IdentifierNamespace = Record[Idx++];
|
|
RedeclarableTemplateDecl *PrevDecl =
|
|
cast_or_null<RedeclarableTemplateDecl>(Reader.GetDecl(Record[Idx++]));
|
|
assert((PrevDecl == 0 || PrevDecl->getKind() == D->getKind()) &&
|
|
"PrevDecl kind mismatch");
|
|
if (PrevDecl)
|
|
D->CommonOrPrev = PrevDecl;
|
|
if (PrevDecl == 0) {
|
|
if (RedeclarableTemplateDecl *RTD
|
|
= cast_or_null<RedeclarableTemplateDecl>(Reader.GetDecl(Record[Idx++]))) {
|
|
assert(RTD->getKind() == D->getKind() &&
|
|
"InstantiatedFromMemberTemplate kind mismatch");
|
|
D->setInstantiatedFromMemberTemplateImpl(RTD);
|
|
if (Record[Idx++])
|
|
D->setMemberSpecialization();
|
|
}
|
|
|
|
RedeclarableTemplateDecl *LatestDecl =
|
|
cast_or_null<RedeclarableTemplateDecl>(Reader.GetDecl(Record[Idx++]));
|
|
|
|
// This decl is a first one and the latest declaration that it points to is
|
|
// in the same AST file. However, if this actually needs to point to a
|
|
// redeclaration in another AST file, we need to update it by checking
|
|
// the FirstLatestDeclIDs map which tracks this kind of decls.
|
|
assert(Reader.GetDecl(ThisDeclID) == D && "Invalid ThisDeclID ?");
|
|
ASTReader::FirstLatestDeclIDMap::iterator I
|
|
= Reader.FirstLatestDeclIDs.find(ThisDeclID);
|
|
if (I != Reader.FirstLatestDeclIDs.end()) {
|
|
Decl *NewLatest = Reader.GetDecl(I->second);
|
|
assert((LatestDecl->getLocation().isInvalid() ||
|
|
NewLatest->getLocation().isInvalid() ||
|
|
Reader.SourceMgr.isBeforeInTranslationUnit(
|
|
LatestDecl->getLocation(),
|
|
NewLatest->getLocation())) &&
|
|
"The new latest is supposed to come after the previous latest");
|
|
LatestDecl = cast<RedeclarableTemplateDecl>(NewLatest);
|
|
}
|
|
|
|
assert(LatestDecl->getKind() == D->getKind() && "Latest kind mismatch");
|
|
D->getCommonPtr()->Latest = LatestDecl;
|
|
}
|
|
}
|
|
|
|
void ASTDeclReader::VisitClassTemplateDecl(ClassTemplateDecl *D) {
|
|
VisitRedeclarableTemplateDecl(D);
|
|
|
|
if (D->getPreviousDeclaration() == 0) {
|
|
// This ClassTemplateDecl owns a CommonPtr; read it.
|
|
|
|
// FoldingSets are filled in VisitClassTemplateSpecializationDecl.
|
|
unsigned size = Record[Idx++];
|
|
while (size--)
|
|
cast<ClassTemplateSpecializationDecl>(Reader.GetDecl(Record[Idx++]));
|
|
|
|
size = Record[Idx++];
|
|
while (size--)
|
|
cast<ClassTemplatePartialSpecializationDecl>(
|
|
Reader.GetDecl(Record[Idx++]));
|
|
|
|
// InjectedClassNameType is computed.
|
|
}
|
|
}
|
|
|
|
void ASTDeclReader::VisitClassTemplateSpecializationDecl(
|
|
ClassTemplateSpecializationDecl *D) {
|
|
VisitCXXRecordDecl(D);
|
|
|
|
if (Decl *InstD = Reader.GetDecl(Record[Idx++])) {
|
|
if (ClassTemplateDecl *CTD = dyn_cast<ClassTemplateDecl>(InstD)) {
|
|
D->setInstantiationOf(CTD);
|
|
} else {
|
|
llvm::SmallVector<TemplateArgument, 8> TemplArgs;
|
|
Reader.ReadTemplateArgumentList(TemplArgs, Cursor, Record, Idx);
|
|
D->setInstantiationOf(cast<ClassTemplatePartialSpecializationDecl>(InstD),
|
|
TemplArgs.data(), TemplArgs.size());
|
|
}
|
|
}
|
|
|
|
// Explicit info.
|
|
if (TypeSourceInfo *TyInfo = Reader.GetTypeSourceInfo(Cursor, Record, Idx)) {
|
|
D->setTypeAsWritten(TyInfo);
|
|
D->setExternLoc(Reader.ReadSourceLocation(Record, Idx));
|
|
D->setTemplateKeywordLoc(Reader.ReadSourceLocation(Record, Idx));
|
|
}
|
|
|
|
llvm::SmallVector<TemplateArgument, 8> TemplArgs;
|
|
Reader.ReadTemplateArgumentList(TemplArgs, Cursor, Record, Idx);
|
|
D->initTemplateArgs(TemplArgs.data(), TemplArgs.size());
|
|
SourceLocation POI = Reader.ReadSourceLocation(Record, Idx);
|
|
if (POI.isValid())
|
|
D->setPointOfInstantiation(POI);
|
|
D->setSpecializationKind((TemplateSpecializationKind)Record[Idx++]);
|
|
|
|
if (D->isCanonicalDecl()) { // It's kept in the folding set.
|
|
ClassTemplateDecl *CanonPattern
|
|
= cast<ClassTemplateDecl>(Reader.GetDecl(Record[Idx++]));
|
|
if (ClassTemplatePartialSpecializationDecl *Partial
|
|
= dyn_cast<ClassTemplatePartialSpecializationDecl>(D)) {
|
|
CanonPattern->getPartialSpecializations().InsertNode(Partial);
|
|
} else {
|
|
CanonPattern->getSpecializations().InsertNode(D);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ASTDeclReader::VisitClassTemplatePartialSpecializationDecl(
|
|
ClassTemplatePartialSpecializationDecl *D) {
|
|
VisitClassTemplateSpecializationDecl(D);
|
|
|
|
D->initTemplateParameters(Reader.ReadTemplateParameterList(Record, Idx));
|
|
|
|
TemplateArgumentListInfo ArgInfos;
|
|
unsigned NumArgs = Record[Idx++];
|
|
while (NumArgs--)
|
|
ArgInfos.addArgument(Reader.ReadTemplateArgumentLoc(Cursor, Record, Idx));
|
|
D->initTemplateArgsAsWritten(ArgInfos);
|
|
|
|
D->setSequenceNumber(Record[Idx++]);
|
|
|
|
// These are read/set from/to the first declaration.
|
|
if (D->getPreviousDeclaration() == 0) {
|
|
D->setInstantiatedFromMember(
|
|
cast_or_null<ClassTemplatePartialSpecializationDecl>(
|
|
Reader.GetDecl(Record[Idx++])));
|
|
if (Record[Idx++])
|
|
D->setMemberSpecialization();
|
|
}
|
|
}
|
|
|
|
void ASTDeclReader::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
|
|
VisitRedeclarableTemplateDecl(D);
|
|
|
|
if (D->getPreviousDeclaration() == 0) {
|
|
// This FunctionTemplateDecl owns a CommonPtr; read it.
|
|
|
|
// Read the function specialization declarations.
|
|
// FunctionTemplateDecl's FunctionTemplateSpecializationInfos are filled
|
|
// through the specialized FunctionDecl's setFunctionTemplateSpecialization.
|
|
unsigned NumSpecs = Record[Idx++];
|
|
while (NumSpecs--)
|
|
Reader.GetDecl(Record[Idx++]);
|
|
}
|
|
}
|
|
|
|
void ASTDeclReader::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
|
|
VisitTypeDecl(D);
|
|
|
|
D->setDeclaredWithTypename(Record[Idx++]);
|
|
D->setParameterPack(Record[Idx++]);
|
|
|
|
bool Inherited = Record[Idx++];
|
|
TypeSourceInfo *DefArg = Reader.GetTypeSourceInfo(Cursor, Record, Idx);
|
|
D->setDefaultArgument(DefArg, Inherited);
|
|
}
|
|
|
|
void ASTDeclReader::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
|
|
VisitVarDecl(D);
|
|
// TemplateParmPosition.
|
|
D->setDepth(Record[Idx++]);
|
|
D->setPosition(Record[Idx++]);
|
|
// Rest of NonTypeTemplateParmDecl.
|
|
if (Record[Idx++]) {
|
|
Expr *DefArg = Reader.ReadExpr(Cursor);
|
|
bool Inherited = Record[Idx++];
|
|
D->setDefaultArgument(DefArg, Inherited);
|
|
}
|
|
}
|
|
|
|
void ASTDeclReader::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
|
|
VisitTemplateDecl(D);
|
|
// TemplateParmPosition.
|
|
D->setDepth(Record[Idx++]);
|
|
D->setPosition(Record[Idx++]);
|
|
// Rest of TemplateTemplateParmDecl.
|
|
TemplateArgumentLoc Arg = Reader.ReadTemplateArgumentLoc(Cursor, Record, Idx);
|
|
bool IsInherited = Record[Idx++];
|
|
D->setDefaultArgument(Arg, IsInherited);
|
|
}
|
|
|
|
void ASTDeclReader::VisitStaticAssertDecl(StaticAssertDecl *D) {
|
|
VisitDecl(D);
|
|
D->AssertExpr = Reader.ReadExpr(Cursor);
|
|
D->Message = cast<StringLiteral>(Reader.ReadExpr(Cursor));
|
|
}
|
|
|
|
std::pair<uint64_t, uint64_t>
|
|
ASTDeclReader::VisitDeclContext(DeclContext *DC) {
|
|
uint64_t LexicalOffset = Record[Idx++];
|
|
uint64_t VisibleOffset = Record[Idx++];
|
|
return std::make_pair(LexicalOffset, VisibleOffset);
|
|
}
|
|
|
|
template <typename T>
|
|
void ASTDeclReader::VisitRedeclarable(Redeclarable<T> *D) {
|
|
enum RedeclKind { NoRedeclaration = 0, PointsToPrevious, PointsToLatest };
|
|
RedeclKind Kind = (RedeclKind)Record[Idx++];
|
|
switch (Kind) {
|
|
default:
|
|
assert(0 && "Out of sync with ASTDeclWriter::VisitRedeclarable or messed up"
|
|
" reading");
|
|
case NoRedeclaration:
|
|
break;
|
|
case PointsToPrevious:
|
|
D->RedeclLink = typename Redeclarable<T>::PreviousDeclLink(
|
|
cast_or_null<T>(Reader.GetDecl(Record[Idx++])));
|
|
break;
|
|
case PointsToLatest:
|
|
D->RedeclLink = typename Redeclarable<T>::LatestDeclLink(
|
|
cast_or_null<T>(Reader.GetDecl(Record[Idx++])));
|
|
break;
|
|
}
|
|
|
|
assert(!(Kind == PointsToPrevious &&
|
|
Reader.FirstLatestDeclIDs.find(ThisDeclID) !=
|
|
Reader.FirstLatestDeclIDs.end()) &&
|
|
"This decl is not first, it should not be in the map");
|
|
if (Kind == PointsToPrevious)
|
|
return;
|
|
|
|
// This decl is a first one and the latest declaration that it points to is in
|
|
// the same AST file. However, if this actually needs to point to a
|
|
// redeclaration in another AST file, we need to update it by checking the
|
|
// FirstLatestDeclIDs map which tracks this kind of decls.
|
|
assert(Reader.GetDecl(ThisDeclID) == static_cast<T*>(D) &&
|
|
"Invalid ThisDeclID ?");
|
|
ASTReader::FirstLatestDeclIDMap::iterator I
|
|
= Reader.FirstLatestDeclIDs.find(ThisDeclID);
|
|
if (I != Reader.FirstLatestDeclIDs.end()) {
|
|
Decl *NewLatest = Reader.GetDecl(I->second);
|
|
assert((D->getMostRecentDeclaration()->getLocation().isInvalid() ||
|
|
NewLatest->getLocation().isInvalid() ||
|
|
Reader.SourceMgr.isBeforeInTranslationUnit(
|
|
D->getMostRecentDeclaration()->getLocation(),
|
|
NewLatest->getLocation())) &&
|
|
"The new latest is supposed to come after the previous latest");
|
|
D->RedeclLink
|
|
= typename Redeclarable<T>::LatestDeclLink(cast_or_null<T>(NewLatest));
|
|
}
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Attribute Reading
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
/// \brief Reads attributes from the current stream position.
|
|
void ASTReader::ReadAttributes(llvm::BitstreamCursor &DeclsCursor,
|
|
AttrVec &Attrs) {
|
|
unsigned Code = DeclsCursor.ReadCode();
|
|
assert(Code == llvm::bitc::UNABBREV_RECORD &&
|
|
"Expected unabbreviated record"); (void)Code;
|
|
|
|
RecordData Record;
|
|
unsigned Idx = 0;
|
|
unsigned RecCode = DeclsCursor.ReadRecord(Code, Record);
|
|
assert(RecCode == DECL_ATTR && "Expected attribute record");
|
|
(void)RecCode;
|
|
|
|
while (Idx < Record.size()) {
|
|
Attr *New = 0;
|
|
attr::Kind Kind = (attr::Kind)Record[Idx++];
|
|
SourceLocation Loc = SourceLocation::getFromRawEncoding(Record[Idx++]);
|
|
bool isInherited = Record[Idx++];
|
|
|
|
#include "clang/Serialization/AttrPCHRead.inc"
|
|
|
|
assert(New && "Unable to decode attribute?");
|
|
New->setInherited(isInherited);
|
|
Attrs.push_back(New);
|
|
}
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// ASTReader Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
/// \brief Note that we have loaded the declaration with the given
|
|
/// Index.
|
|
///
|
|
/// This routine notes that this declaration has already been loaded,
|
|
/// so that future GetDecl calls will return this declaration rather
|
|
/// than trying to load a new declaration.
|
|
inline void ASTReader::LoadedDecl(unsigned Index, Decl *D) {
|
|
assert(!DeclsLoaded[Index] && "Decl loaded twice?");
|
|
DeclsLoaded[Index] = D;
|
|
}
|
|
|
|
|
|
/// \brief Determine whether the consumer will be interested in seeing
|
|
/// this declaration (via HandleTopLevelDecl).
|
|
///
|
|
/// This routine should return true for anything that might affect
|
|
/// code generation, e.g., inline function definitions, Objective-C
|
|
/// declarations with metadata, etc.
|
|
static bool isConsumerInterestedIn(Decl *D) {
|
|
if (isa<FileScopeAsmDecl>(D))
|
|
return true;
|
|
if (VarDecl *Var = dyn_cast<VarDecl>(D))
|
|
return Var->isFileVarDecl() &&
|
|
Var->isThisDeclarationADefinition() == VarDecl::Definition;
|
|
if (FunctionDecl *Func = dyn_cast<FunctionDecl>(D))
|
|
return Func->isThisDeclarationADefinition();
|
|
return isa<ObjCProtocolDecl>(D) || isa<ObjCImplementationDecl>(D);
|
|
}
|
|
|
|
/// \brief Get the correct cursor and offset for loading a type.
|
|
ASTReader::RecordLocation
|
|
ASTReader::DeclCursorForIndex(unsigned Index, DeclID ID) {
|
|
// See if there's an override.
|
|
DeclReplacementMap::iterator It = ReplacedDecls.find(ID);
|
|
if (It != ReplacedDecls.end())
|
|
return RecordLocation(&It->second.first->DeclsCursor, It->second.second);
|
|
|
|
PerFileData *F = 0;
|
|
for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
|
|
F = Chain[N - I - 1];
|
|
if (Index < F->LocalNumDecls)
|
|
break;
|
|
Index -= F->LocalNumDecls;
|
|
}
|
|
assert(F && F->LocalNumDecls > Index && "Broken chain");
|
|
return RecordLocation(&F->DeclsCursor, F->DeclOffsets[Index]);
|
|
}
|
|
|
|
/// \brief Read the declaration at the given offset from the AST file.
|
|
Decl *ASTReader::ReadDeclRecord(unsigned Index, DeclID ID) {
|
|
RecordLocation Loc = DeclCursorForIndex(Index, ID);
|
|
llvm::BitstreamCursor &DeclsCursor = *Loc.first;
|
|
// Keep track of where we are in the stream, then jump back there
|
|
// after reading this declaration.
|
|
SavedStreamPosition SavedPosition(DeclsCursor);
|
|
|
|
ReadingKindTracker ReadingKind(Read_Decl, *this);
|
|
|
|
// Note that we are loading a declaration record.
|
|
Deserializing ADecl(this);
|
|
|
|
DeclsCursor.JumpToBit(Loc.second);
|
|
RecordData Record;
|
|
unsigned Code = DeclsCursor.ReadCode();
|
|
unsigned Idx = 0;
|
|
ASTDeclReader Reader(*this, DeclsCursor, ID, Record, Idx);
|
|
|
|
Decl *D = 0;
|
|
switch ((DeclCode)DeclsCursor.ReadRecord(Code, Record)) {
|
|
case DECL_ATTR:
|
|
case DECL_CONTEXT_LEXICAL:
|
|
case DECL_CONTEXT_VISIBLE:
|
|
assert(false && "Record cannot be de-serialized with ReadDeclRecord");
|
|
break;
|
|
case DECL_TRANSLATION_UNIT:
|
|
assert(Index == 0 && "Translation unit must be at index 0");
|
|
D = Context->getTranslationUnitDecl();
|
|
break;
|
|
case DECL_TYPEDEF:
|
|
D = TypedefDecl::Create(*Context, 0, SourceLocation(), 0, 0);
|
|
break;
|
|
case DECL_ENUM:
|
|
D = EnumDecl::Create(*Context, Decl::EmptyShell());
|
|
break;
|
|
case DECL_RECORD:
|
|
D = RecordDecl::Create(*Context, Decl::EmptyShell());
|
|
break;
|
|
case DECL_ENUM_CONSTANT:
|
|
D = EnumConstantDecl::Create(*Context, 0, SourceLocation(), 0, QualType(),
|
|
0, llvm::APSInt());
|
|
break;
|
|
case DECL_FUNCTION:
|
|
D = FunctionDecl::Create(*Context, 0, SourceLocation(), DeclarationName(),
|
|
QualType(), 0);
|
|
break;
|
|
case DECL_LINKAGE_SPEC:
|
|
D = LinkageSpecDecl::Create(*Context, 0, SourceLocation(),
|
|
(LinkageSpecDecl::LanguageIDs)0,
|
|
false);
|
|
break;
|
|
case DECL_NAMESPACE:
|
|
D = NamespaceDecl::Create(*Context, 0, SourceLocation(), 0);
|
|
break;
|
|
case DECL_NAMESPACE_ALIAS:
|
|
D = NamespaceAliasDecl::Create(*Context, 0, SourceLocation(),
|
|
SourceLocation(), 0, SourceRange(), 0,
|
|
SourceLocation(), 0);
|
|
break;
|
|
case DECL_USING:
|
|
D = UsingDecl::Create(*Context, 0, SourceRange(), SourceLocation(),
|
|
0, DeclarationNameInfo(), false);
|
|
break;
|
|
case DECL_USING_SHADOW:
|
|
D = UsingShadowDecl::Create(*Context, 0, SourceLocation(), 0, 0);
|
|
break;
|
|
case DECL_USING_DIRECTIVE:
|
|
D = UsingDirectiveDecl::Create(*Context, 0, SourceLocation(),
|
|
SourceLocation(), SourceRange(), 0,
|
|
SourceLocation(), 0, 0);
|
|
break;
|
|
case DECL_UNRESOLVED_USING_VALUE:
|
|
D = UnresolvedUsingValueDecl::Create(*Context, 0, SourceLocation(),
|
|
SourceRange(), 0,
|
|
DeclarationNameInfo());
|
|
break;
|
|
case DECL_UNRESOLVED_USING_TYPENAME:
|
|
D = UnresolvedUsingTypenameDecl::Create(*Context, 0, SourceLocation(),
|
|
SourceLocation(), SourceRange(),
|
|
0, SourceLocation(),
|
|
DeclarationName());
|
|
break;
|
|
case DECL_CXX_RECORD:
|
|
D = CXXRecordDecl::Create(*Context, Decl::EmptyShell());
|
|
break;
|
|
case DECL_CXX_METHOD:
|
|
D = CXXMethodDecl::Create(*Context, 0, DeclarationNameInfo(),
|
|
QualType(), 0);
|
|
break;
|
|
case DECL_CXX_CONSTRUCTOR:
|
|
D = CXXConstructorDecl::Create(*Context, Decl::EmptyShell());
|
|
break;
|
|
case DECL_CXX_DESTRUCTOR:
|
|
D = CXXDestructorDecl::Create(*Context, Decl::EmptyShell());
|
|
break;
|
|
case DECL_CXX_CONVERSION:
|
|
D = CXXConversionDecl::Create(*Context, Decl::EmptyShell());
|
|
break;
|
|
case DECL_ACCESS_SPEC:
|
|
D = AccessSpecDecl::Create(*Context, AS_none, 0, SourceLocation(),
|
|
SourceLocation());
|
|
break;
|
|
case DECL_FRIEND:
|
|
D = FriendDecl::Create(*Context, Decl::EmptyShell());
|
|
break;
|
|
case DECL_FRIEND_TEMPLATE:
|
|
D = FriendTemplateDecl::Create(*Context, Decl::EmptyShell());
|
|
break;
|
|
case DECL_CLASS_TEMPLATE:
|
|
D = ClassTemplateDecl::Create(*Context, 0, SourceLocation(),
|
|
DeclarationName(), 0, 0, 0);
|
|
break;
|
|
case DECL_CLASS_TEMPLATE_SPECIALIZATION:
|
|
D = ClassTemplateSpecializationDecl::Create(*Context, Decl::EmptyShell());
|
|
break;
|
|
case DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION:
|
|
D = ClassTemplatePartialSpecializationDecl::Create(*Context,
|
|
Decl::EmptyShell());
|
|
break;
|
|
case DECL_FUNCTION_TEMPLATE:
|
|
D = FunctionTemplateDecl::Create(*Context, 0, SourceLocation(),
|
|
DeclarationName(), 0, 0);
|
|
break;
|
|
case DECL_TEMPLATE_TYPE_PARM:
|
|
D = TemplateTypeParmDecl::Create(*Context, Decl::EmptyShell());
|
|
break;
|
|
case DECL_NON_TYPE_TEMPLATE_PARM:
|
|
D = NonTypeTemplateParmDecl::Create(*Context, 0, SourceLocation(), 0,0,0,
|
|
QualType(),0);
|
|
break;
|
|
case DECL_TEMPLATE_TEMPLATE_PARM:
|
|
D = TemplateTemplateParmDecl::Create(*Context, 0, SourceLocation(),0,0,0,0);
|
|
break;
|
|
case DECL_STATIC_ASSERT:
|
|
D = StaticAssertDecl::Create(*Context, 0, SourceLocation(), 0, 0);
|
|
break;
|
|
|
|
case DECL_OBJC_METHOD:
|
|
D = ObjCMethodDecl::Create(*Context, SourceLocation(), SourceLocation(),
|
|
Selector(), QualType(), 0, 0);
|
|
break;
|
|
case DECL_OBJC_INTERFACE:
|
|
D = ObjCInterfaceDecl::Create(*Context, 0, SourceLocation(), 0);
|
|
break;
|
|
case DECL_OBJC_IVAR:
|
|
D = ObjCIvarDecl::Create(*Context, 0, SourceLocation(), 0, QualType(), 0,
|
|
ObjCIvarDecl::None);
|
|
break;
|
|
case DECL_OBJC_PROTOCOL:
|
|
D = ObjCProtocolDecl::Create(*Context, 0, SourceLocation(), 0);
|
|
break;
|
|
case DECL_OBJC_AT_DEFS_FIELD:
|
|
D = ObjCAtDefsFieldDecl::Create(*Context, 0, SourceLocation(), 0,
|
|
QualType(), 0);
|
|
break;
|
|
case DECL_OBJC_CLASS:
|
|
D = ObjCClassDecl::Create(*Context, 0, SourceLocation());
|
|
break;
|
|
case DECL_OBJC_FORWARD_PROTOCOL:
|
|
D = ObjCForwardProtocolDecl::Create(*Context, 0, SourceLocation());
|
|
break;
|
|
case DECL_OBJC_CATEGORY:
|
|
D = ObjCCategoryDecl::Create(*Context, 0, SourceLocation(),
|
|
SourceLocation(), SourceLocation(), 0);
|
|
break;
|
|
case DECL_OBJC_CATEGORY_IMPL:
|
|
D = ObjCCategoryImplDecl::Create(*Context, 0, SourceLocation(), 0, 0);
|
|
break;
|
|
case DECL_OBJC_IMPLEMENTATION:
|
|
D = ObjCImplementationDecl::Create(*Context, 0, SourceLocation(), 0, 0);
|
|
break;
|
|
case DECL_OBJC_COMPATIBLE_ALIAS:
|
|
D = ObjCCompatibleAliasDecl::Create(*Context, 0, SourceLocation(), 0, 0);
|
|
break;
|
|
case DECL_OBJC_PROPERTY:
|
|
D = ObjCPropertyDecl::Create(*Context, 0, SourceLocation(), 0, SourceLocation(),
|
|
0);
|
|
break;
|
|
case DECL_OBJC_PROPERTY_IMPL:
|
|
D = ObjCPropertyImplDecl::Create(*Context, 0, SourceLocation(),
|
|
SourceLocation(), 0,
|
|
ObjCPropertyImplDecl::Dynamic, 0);
|
|
break;
|
|
case DECL_FIELD:
|
|
D = FieldDecl::Create(*Context, 0, SourceLocation(), 0, QualType(), 0, 0,
|
|
false);
|
|
break;
|
|
case DECL_VAR:
|
|
D = VarDecl::Create(*Context, 0, SourceLocation(), 0, QualType(), 0,
|
|
SC_None, SC_None);
|
|
break;
|
|
|
|
case DECL_IMPLICIT_PARAM:
|
|
D = ImplicitParamDecl::Create(*Context, 0, SourceLocation(), 0, QualType());
|
|
break;
|
|
|
|
case DECL_PARM_VAR:
|
|
D = ParmVarDecl::Create(*Context, 0, SourceLocation(), 0, QualType(), 0,
|
|
SC_None, SC_None, 0);
|
|
break;
|
|
case DECL_FILE_SCOPE_ASM:
|
|
D = FileScopeAsmDecl::Create(*Context, 0, SourceLocation(), 0);
|
|
break;
|
|
case DECL_BLOCK:
|
|
D = BlockDecl::Create(*Context, 0, SourceLocation());
|
|
break;
|
|
}
|
|
|
|
assert(D && "Unknown declaration reading AST file");
|
|
LoadedDecl(Index, D);
|
|
Reader.Visit(D);
|
|
|
|
// If this declaration is also a declaration context, get the
|
|
// offsets for its tables of lexical and visible declarations.
|
|
if (DeclContext *DC = dyn_cast<DeclContext>(D)) {
|
|
std::pair<uint64_t, uint64_t> Offsets = Reader.VisitDeclContext(DC);
|
|
if (Offsets.first || Offsets.second) {
|
|
DC->setHasExternalLexicalStorage(Offsets.first != 0);
|
|
DC->setHasExternalVisibleStorage(Offsets.second != 0);
|
|
DeclContextInfo Info;
|
|
if (ReadDeclContextStorage(DeclsCursor, Offsets, Info))
|
|
return 0;
|
|
DeclContextInfos &Infos = DeclContextOffsets[DC];
|
|
// Reading the TU will happen after reading its lexical update blocks,
|
|
// so we need to make sure we insert in front. For all other contexts,
|
|
// the vector is empty here anyway, so there's no loss in efficiency.
|
|
Infos.insert(Infos.begin(), Info);
|
|
|
|
// Now add the pending visible updates for this decl context, if it has
|
|
// any.
|
|
DeclContextVisibleUpdatesPending::iterator I =
|
|
PendingVisibleUpdates.find(ID);
|
|
if (I != PendingVisibleUpdates.end()) {
|
|
DeclContextVisibleUpdates &U = I->second;
|
|
Info.LexicalDecls = 0;
|
|
Info.NumLexicalDecls = 0;
|
|
for (DeclContextVisibleUpdates::iterator UI = U.begin(), UE = U.end();
|
|
UI != UE; ++UI) {
|
|
Info.NameLookupTableData = *UI;
|
|
Infos.push_back(Info);
|
|
}
|
|
PendingVisibleUpdates.erase(I);
|
|
}
|
|
}
|
|
}
|
|
|
|
// If this is a template, read additional specializations that may be in a
|
|
// different part of the chain.
|
|
if (isa<RedeclarableTemplateDecl>(D)) {
|
|
AdditionalTemplateSpecializationsMap::iterator F =
|
|
AdditionalTemplateSpecializationsPending.find(ID);
|
|
if (F != AdditionalTemplateSpecializationsPending.end()) {
|
|
for (AdditionalTemplateSpecializations::iterator I = F->second.begin(),
|
|
E = F->second.end();
|
|
I != E; ++I)
|
|
GetDecl(*I);
|
|
AdditionalTemplateSpecializationsPending.erase(F);
|
|
}
|
|
}
|
|
assert(Idx == Record.size());
|
|
|
|
// If we have deserialized a declaration that has a definition the
|
|
// AST consumer might need to know about, queue it.
|
|
// We don't pass it to the consumer immediately because we may be in recursive
|
|
// loading, and some declarations may still be initializing.
|
|
if (isConsumerInterestedIn(D))
|
|
InterestingDecls.push_back(D);
|
|
|
|
return D;
|
|
}
|