forked from OSchip/llvm-project
1758 lines
68 KiB
C++
1758 lines
68 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 "ASTCommon.h"
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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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ASTReader::PerFileData &F;
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llvm::BitstreamCursor &Cursor;
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const DeclID ThisDeclID;
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typedef ASTReader::RecordData RecordData;
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const RecordData &Record;
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unsigned &Idx;
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TypeID TypeIDForTypeDecl;
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DeclID DeclContextIDForTemplateParmDecl;
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DeclID LexicalDeclContextIDForTemplateParmDecl;
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uint64_t GetCurrentCursorOffset();
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SourceLocation ReadSourceLocation(const RecordData &R, unsigned &I) {
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return Reader.ReadSourceLocation(F, R, I);
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}
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SourceRange ReadSourceRange(const RecordData &R, unsigned &I) {
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return Reader.ReadSourceRange(F, R, I);
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}
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TypeSourceInfo *GetTypeSourceInfo(const RecordData &R, unsigned &I) {
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return Reader.GetTypeSourceInfo(F, R, I);
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}
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void ReadQualifierInfo(QualifierInfo &Info,
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const RecordData &R, unsigned &I) {
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Reader.ReadQualifierInfo(F, Info, R, I);
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}
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void ReadDeclarationNameLoc(DeclarationNameLoc &DNLoc, DeclarationName Name,
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const RecordData &R, unsigned &I) {
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Reader.ReadDeclarationNameLoc(F, DNLoc, Name, R, I);
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}
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void ReadDeclarationNameInfo(DeclarationNameInfo &NameInfo,
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const RecordData &R, unsigned &I) {
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Reader.ReadDeclarationNameInfo(F, NameInfo, R, I);
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}
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void ReadCXXDefinitionData(struct CXXRecordDecl::DefinitionData &Data,
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const RecordData &R, unsigned &I);
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void InitializeCXXDefinitionData(CXXRecordDecl *D,
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CXXRecordDecl *DefinitionDecl,
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const RecordData &Record, unsigned &Idx);
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public:
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ASTDeclReader(ASTReader &Reader, ASTReader::PerFileData &F,
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llvm::BitstreamCursor &Cursor, DeclID thisDeclID,
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const RecordData &Record, unsigned &Idx)
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: Reader(Reader), F(F), Cursor(Cursor), ThisDeclID(thisDeclID),
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Record(Record), Idx(Idx), TypeIDForTypeDecl(0) { }
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static void attachPreviousDecl(Decl *D, Decl *previous);
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void Visit(Decl *D);
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void UpdateDecl(Decl *D, const RecordData &Record);
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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 VisitLabelDecl(LabelDecl *LD);
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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 VisitTypeAliasDecl(TypeAliasDecl *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 VisitIndirectFieldDecl(IndirectFieldDecl *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).getTypePtrOrNull());
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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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} else if (D->isTemplateParameter()) {
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// If we have a fully initialized template parameter, we can now
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// set its DeclContext.
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D->setDeclContext(
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cast_or_null<DeclContext>(
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Reader.GetDecl(DeclContextIDForTemplateParmDecl)));
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D->setLexicalDeclContext(
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cast_or_null<DeclContext>(
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Reader.GetDecl(LexicalDeclContextIDForTemplateParmDecl)));
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}
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}
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void ASTDeclReader::VisitDecl(Decl *D) {
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if (D->isTemplateParameter()) {
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// We don't want to deserialize the DeclContext of a template
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// parameter immediately, because the template parameter might be
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// used in the formulation of its DeclContext. Use the translation
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// unit DeclContext as a placeholder.
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DeclContextIDForTemplateParmDecl = Record[Idx++];
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LexicalDeclContextIDForTemplateParmDecl = Record[Idx++];
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D->setDeclContext(Reader.getContext()->getTranslationUnitDecl());
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} else {
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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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}
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D->setLocation(ReadSourceLocation(Record, Idx));
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D->setInvalidDecl(Record[Idx++]);
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if (Record[Idx++]) { // hasAttrs
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AttrVec Attrs;
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Reader.ReadAttributes(F, Attrs, Record, Idx);
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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->setReferenced(Record[Idx++]);
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D->setAccess((AccessSpecifier)Record[Idx++]);
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D->setPCHLevel(Record[Idx++] + (F.Type <= ASTReader::PCH));
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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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TD->setLocStart(ReadSourceLocation(Record, Idx));
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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(GetTypeSourceInfo(Record, Idx));
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}
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void ASTDeclReader::VisitTypeAliasDecl(TypeAliasDecl *TD) {
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VisitTypeDecl(TD);
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TD->setTypeSourceInfo(GetTypeSourceInfo(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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VisitRedeclarable(TD);
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TD->IdentifierNamespace = Record[Idx++];
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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(ReadSourceLocation(Record, Idx));
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if (Record[Idx++]) { // hasExtInfo
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TagDecl::ExtInfo *Info = new (*Reader.getContext()) TagDecl::ExtInfo();
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ReadQualifierInfo(*Info, Record, Idx);
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TD->TypedefNameDeclOrQualifier = Info;
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} else
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TD->setTypedefNameForAnonDecl(
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cast_or_null<TypedefNameDecl>(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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if (TypeSourceInfo *TI = Reader.GetTypeSourceInfo(F, Record, Idx))
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ED->setIntegerTypeSourceInfo(TI);
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else
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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->IsScoped = Record[Idx++];
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ED->IsScopedUsingClassTag = Record[Idx++];
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ED->IsFixed = 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(F));
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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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DD->setInnerLocStart(ReadSourceLocation(Record, Idx));
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if (Record[Idx++]) { // hasExtInfo
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DeclaratorDecl::ExtInfo *Info
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= new (*Reader.getContext()) DeclaratorDecl::ExtInfo();
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ReadQualifierInfo(*Info, Record, Idx);
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Info->TInfo = GetTypeSourceInfo(Record, Idx);
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DD->DeclInfo = Info;
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} else
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DD->DeclInfo = GetTypeSourceInfo(Record, Idx);
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}
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void ASTDeclReader::VisitFunctionDecl(FunctionDecl *FD) {
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VisitDeclaratorDecl(FD);
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VisitRedeclarable(FD);
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ReadDeclarationNameLoc(FD->DNLoc, FD->getDeclName(), Record, Idx);
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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 = ReadSourceLocation(Record, Idx);
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FD->setInstantiationOfMemberFunction(*Reader.getContext(), 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, F, 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(F, Record, Idx));
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LAngleLoc = ReadSourceLocation(Record, Idx);
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RAngleLoc = ReadSourceLocation(Record, Idx);
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}
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SourceLocation POI = ReadSourceLocation(Record, Idx);
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ASTContext &C = *Reader.getContext();
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TemplateArgumentList *TemplArgList
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= TemplateArgumentList::CreateCopy(C, TemplArgs.data(), TemplArgs.size());
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TemplateArgumentListInfo *TemplArgsInfo
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= new (C) TemplateArgumentListInfo(LAngleLoc, RAngleLoc);
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for (unsigned i=0, e = TemplArgLocs.size(); i != e; ++i)
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TemplArgsInfo->addArgument(TemplArgLocs[i]);
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FunctionTemplateSpecializationInfo *FTInfo
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= FunctionTemplateSpecializationInfo::Create(C, FD, Template, TSK,
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TemplArgList,
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TemplArgsInfo, POI);
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FD->TemplateOrSpecialization = FTInfo;
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if (FD->isCanonicalDecl()) { // if canonical add to template's set.
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// The template that contains the specializations set. It's not safe to
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// use getCanonicalDecl on Template since it may still be initializing.
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FunctionTemplateDecl *CanonTemplate
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= cast<FunctionTemplateDecl>(Reader.GetDecl(Record[Idx++]));
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// Get the InsertPos by FindNodeOrInsertPos() instead of calling
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// InsertNode(FTInfo) directly to avoid the getASTContext() call in
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// FunctionTemplateSpecializationInfo's Profile().
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// We avoid getASTContext because a decl in the parent hierarchy may
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// be initializing.
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llvm::FoldingSetNodeID ID;
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FunctionTemplateSpecializationInfo::Profile(ID, TemplArgs.data(),
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TemplArgs.size(), C);
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void *InsertPos = 0;
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CanonTemplate->getSpecializations().FindNodeOrInsertPos(ID, InsertPos);
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assert(InsertPos && "Another specialization already inserted!");
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CanonTemplate->getSpecializations().InsertNode(FTInfo, InsertPos);
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}
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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(F, Record, Idx));
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TemplArgs.setLAngleLoc(ReadSourceLocation(Record, Idx));
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TemplArgs.setRAngleLoc(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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FD->SClass = (StorageClass)Record[Idx++];
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FD->SClassAsWritten = (StorageClass)Record[Idx++];
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FD->IsInline = Record[Idx++];
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FD->IsInlineSpecified = Record[Idx++];
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FD->IsVirtualAsWritten = Record[Idx++];
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FD->IsPure = Record[Idx++];
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FD->HasInheritedPrototype = Record[Idx++];
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FD->HasWrittenPrototype = Record[Idx++];
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FD->IsDeleted = Record[Idx++];
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FD->IsTrivial = Record[Idx++];
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FD->HasImplicitReturnZero = Record[Idx++];
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FD->EndRangeLoc = ReadSourceLocation(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(*Reader.getContext(), 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(F));
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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++]);
|
|
MD->setSynthesized(Record[Idx++]);
|
|
MD->setDefined(Record[Idx++]);
|
|
MD->setDeclImplementation((ObjCMethodDecl::ImplementationControl)Record[Idx++]);
|
|
MD->setObjCDeclQualifier((Decl::ObjCDeclQualifier)Record[Idx++]);
|
|
MD->setNumSelectorArgs(unsigned(Record[Idx++]));
|
|
MD->setResultType(Reader.GetType(Record[Idx++]));
|
|
MD->setResultTypeSourceInfo(GetTypeSourceInfo(Record, Idx));
|
|
MD->setEndLoc(ReadSourceLocation(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++])));
|
|
MD->setMethodParams(*Reader.getContext(), Params.data(), NumParams,
|
|
NumParams);
|
|
}
|
|
|
|
void ASTDeclReader::VisitObjCContainerDecl(ObjCContainerDecl *CD) {
|
|
VisitNamedDecl(CD);
|
|
SourceLocation A = ReadSourceLocation(Record, Idx);
|
|
SourceLocation B = ReadSourceLocation(Record, Idx);
|
|
CD->setAtEndRange(SourceRange(A, B));
|
|
}
|
|
|
|
void ASTDeclReader::VisitObjCInterfaceDecl(ObjCInterfaceDecl *ID) {
|
|
VisitObjCContainerDecl(ID);
|
|
ID->setTypeForDecl(Reader.GetType(Record[Idx++]).getTypePtrOrNull());
|
|
ID->setSuperClass(cast_or_null<ObjCInterfaceDecl>
|
|
(Reader.GetDecl(Record[Idx++])));
|
|
|
|
// Read the directly referenced protocols and their SourceLocations.
|
|
unsigned NumProtocols = Record[Idx++];
|
|
llvm::SmallVector<ObjCProtocolDecl *, 16> Protocols;
|
|
Protocols.reserve(NumProtocols);
|
|
for (unsigned I = 0; I != NumProtocols; ++I)
|
|
Protocols.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
|
|
llvm::SmallVector<SourceLocation, 16> ProtoLocs;
|
|
ProtoLocs.reserve(NumProtocols);
|
|
for (unsigned I = 0; I != NumProtocols; ++I)
|
|
ProtoLocs.push_back(ReadSourceLocation(Record, Idx));
|
|
ID->setProtocolList(Protocols.data(), NumProtocols, ProtoLocs.data(),
|
|
*Reader.getContext());
|
|
|
|
// Read the transitive closure of protocols referenced by this class.
|
|
NumProtocols = Record[Idx++];
|
|
Protocols.clear();
|
|
Protocols.reserve(NumProtocols);
|
|
for (unsigned I = 0; I != NumProtocols; ++I)
|
|
Protocols.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
|
|
ID->AllReferencedProtocols.set(Protocols.data(), NumProtocols,
|
|
*Reader.getContext());
|
|
|
|
// Read the ivars.
|
|
unsigned NumIvars = Record[Idx++];
|
|
llvm::SmallVector<ObjCIvarDecl *, 16> IVars;
|
|
IVars.reserve(NumIvars);
|
|
for (unsigned I = 0; I != NumIvars; ++I)
|
|
IVars.push_back(cast<ObjCIvarDecl>(Reader.GetDecl(Record[Idx++])));
|
|
ID->setCategoryList(
|
|
cast_or_null<ObjCCategoryDecl>(Reader.GetDecl(Record[Idx++])));
|
|
// We will rebuild this list lazily.
|
|
ID->setIvarList(0);
|
|
ID->setForwardDecl(Record[Idx++]);
|
|
ID->setImplicitInterfaceDecl(Record[Idx++]);
|
|
ID->setClassLoc(ReadSourceLocation(Record, Idx));
|
|
ID->setSuperClassLoc(ReadSourceLocation(Record, Idx));
|
|
ID->setLocEnd(ReadSourceLocation(Record, Idx));
|
|
}
|
|
|
|
void ASTDeclReader::VisitObjCIvarDecl(ObjCIvarDecl *IVD) {
|
|
VisitFieldDecl(IVD);
|
|
IVD->setAccessControl((ObjCIvarDecl::AccessControl)Record[Idx++]);
|
|
// This field will be built lazily.
|
|
IVD->setNextIvar(0);
|
|
bool synth = Record[Idx++];
|
|
IVD->setSynthesize(synth);
|
|
}
|
|
|
|
void ASTDeclReader::VisitObjCProtocolDecl(ObjCProtocolDecl *PD) {
|
|
VisitObjCContainerDecl(PD);
|
|
PD->setForwardDecl(Record[Idx++]);
|
|
PD->setLocEnd(ReadSourceLocation(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(ReadSourceLocation(Record, Idx));
|
|
PD->setProtocolList(ProtoRefs.data(), NumProtoRefs, ProtoLocs.data(),
|
|
*Reader.getContext());
|
|
}
|
|
|
|
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(ReadSourceLocation(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(ReadSourceLocation(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(ReadSourceLocation(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(ReadSourceLocation(Record, Idx));
|
|
CD->setCategoryNameLoc(ReadSourceLocation(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(ReadSourceLocation(Record, Idx));
|
|
D->setType(GetTypeSourceInfo(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.ReadCXXCtorInitializers(F, Record, Idx);
|
|
D->setHasSynthBitfield(Record[Idx++]);
|
|
}
|
|
|
|
|
|
void ASTDeclReader::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) {
|
|
VisitDecl(D);
|
|
D->setAtLoc(ReadSourceLocation(Record, Idx));
|
|
D->setPropertyDecl(
|
|
cast_or_null<ObjCPropertyDecl>(Reader.GetDecl(Record[Idx++])));
|
|
D->PropertyIvarDecl =
|
|
cast_or_null<ObjCIvarDecl>(Reader.GetDecl(Record[Idx++]));
|
|
D->IvarLoc = ReadSourceLocation(Record, Idx);
|
|
D->setGetterCXXConstructor(Reader.ReadExpr(F));
|
|
D->setSetterCXXAssignment(Reader.ReadExpr(F));
|
|
}
|
|
|
|
void ASTDeclReader::VisitFieldDecl(FieldDecl *FD) {
|
|
VisitDeclaratorDecl(FD);
|
|
FD->setMutable(Record[Idx++]);
|
|
if (Record[Idx++])
|
|
FD->setBitWidth(Reader.ReadExpr(F));
|
|
if (!FD->getDeclName()) {
|
|
FieldDecl *Tmpl = cast_or_null<FieldDecl>(Reader.GetDecl(Record[Idx++]));
|
|
if (Tmpl)
|
|
Reader.getContext()->setInstantiatedFromUnnamedFieldDecl(FD, Tmpl);
|
|
}
|
|
}
|
|
|
|
void ASTDeclReader::VisitIndirectFieldDecl(IndirectFieldDecl *FD) {
|
|
VisitValueDecl(FD);
|
|
|
|
FD->ChainingSize = Record[Idx++];
|
|
assert(FD->ChainingSize >= 2 && "Anonymous chaining must be >= 2");
|
|
FD->Chaining = new (*Reader.getContext())NamedDecl*[FD->ChainingSize];
|
|
|
|
for (unsigned I = 0; I != FD->ChainingSize; ++I)
|
|
FD->Chaining[I] = cast<NamedDecl>(Reader.GetDecl(Record[Idx++]));
|
|
}
|
|
|
|
void ASTDeclReader::VisitVarDecl(VarDecl *VD) {
|
|
VisitDeclaratorDecl(VD);
|
|
VisitRedeclarable(VD);
|
|
VD->SClass = (StorageClass)Record[Idx++];
|
|
VD->setStorageClassAsWritten((StorageClass)Record[Idx++]);
|
|
VD->setThreadSpecified(Record[Idx++]);
|
|
VD->setCXXDirectInitializer(Record[Idx++]);
|
|
VD->setExceptionVariable(Record[Idx++]);
|
|
VD->setNRVOVariable(Record[Idx++]);
|
|
VD->setCXXForRangeDecl(Record[Idx++]);
|
|
if (Record[Idx++])
|
|
VD->setInit(Reader.ReadExpr(F));
|
|
|
|
if (Record[Idx++]) { // HasMemberSpecializationInfo.
|
|
VarDecl *Tmpl = cast<VarDecl>(Reader.GetDecl(Record[Idx++]));
|
|
TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
|
|
SourceLocation POI = 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->setKNRPromoted(Record[Idx++]);
|
|
PD->setHasInheritedDefaultArg(Record[Idx++]);
|
|
if (Record[Idx++]) // hasUninstantiatedDefaultArg.
|
|
PD->setUninstantiatedDefaultArg(Reader.ReadExpr(F));
|
|
}
|
|
|
|
void ASTDeclReader::VisitFileScopeAsmDecl(FileScopeAsmDecl *AD) {
|
|
VisitDecl(AD);
|
|
AD->setAsmString(cast<StringLiteral>(Reader.ReadExpr(F)));
|
|
AD->setRParenLoc(ReadSourceLocation(Record, Idx));
|
|
}
|
|
|
|
void ASTDeclReader::VisitBlockDecl(BlockDecl *BD) {
|
|
VisitDecl(BD);
|
|
BD->setBody(cast_or_null<CompoundStmt>(Reader.ReadStmt(F)));
|
|
BD->setSignatureAsWritten(GetTypeSourceInfo(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);
|
|
|
|
bool capturesCXXThis = Record[Idx++];
|
|
unsigned numCaptures = Record[Idx++];
|
|
llvm::SmallVector<BlockDecl::Capture, 16> captures;
|
|
captures.reserve(numCaptures);
|
|
for (unsigned i = 0; i != numCaptures; ++i) {
|
|
VarDecl *decl = cast<VarDecl>(Reader.GetDecl(Record[Idx++]));
|
|
unsigned flags = Record[Idx++];
|
|
bool byRef = (flags & 1);
|
|
bool nested = (flags & 2);
|
|
Expr *copyExpr = ((flags & 4) ? Reader.ReadExpr(F) : 0);
|
|
|
|
captures.push_back(BlockDecl::Capture(decl, byRef, nested, copyExpr));
|
|
}
|
|
BD->setCaptures(*Reader.getContext(), captures.begin(),
|
|
captures.end(), capturesCXXThis);
|
|
}
|
|
|
|
void ASTDeclReader::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
|
|
VisitDecl(D);
|
|
D->setLanguage((LinkageSpecDecl::LanguageIDs)Record[Idx++]);
|
|
D->setExternLoc(ReadSourceLocation(Record, Idx));
|
|
D->setRBraceLoc(ReadSourceLocation(Record, Idx));
|
|
}
|
|
|
|
void ASTDeclReader::VisitLabelDecl(LabelDecl *D) {
|
|
VisitNamedDecl(D);
|
|
D->setLocStart(ReadSourceLocation(Record, Idx));
|
|
}
|
|
|
|
|
|
void ASTDeclReader::VisitNamespaceDecl(NamespaceDecl *D) {
|
|
VisitNamedDecl(D);
|
|
D->IsInline = Record[Idx++];
|
|
D->LocStart = ReadSourceLocation(Record, Idx);
|
|
D->RBraceLoc = ReadSourceLocation(Record, Idx);
|
|
D->NextNamespace = 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 = ReadSourceLocation(Record, Idx);
|
|
D->IdentLoc = ReadSourceLocation(Record, Idx);
|
|
D->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
|
|
D->Namespace = cast<NamedDecl>(Reader.GetDecl(Record[Idx++]));
|
|
}
|
|
|
|
void ASTDeclReader::VisitUsingDecl(UsingDecl *D) {
|
|
VisitNamedDecl(D);
|
|
D->setUsingLocation(ReadSourceLocation(Record, Idx));
|
|
D->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
|
|
ReadDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record, Idx);
|
|
D->FirstUsingShadow = cast_or_null<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->UsingOrNextShadow = cast_or_null<NamedDecl>(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 = ReadSourceLocation(Record, Idx);
|
|
D->NamespaceLoc = ReadSourceLocation(Record, Idx);
|
|
D->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, 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->setUsingLoc(ReadSourceLocation(Record, Idx));
|
|
D->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
|
|
ReadDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record, Idx);
|
|
}
|
|
|
|
void ASTDeclReader::VisitUnresolvedUsingTypenameDecl(
|
|
UnresolvedUsingTypenameDecl *D) {
|
|
VisitTypeDecl(D);
|
|
D->TypenameLocation = ReadSourceLocation(Record, Idx);
|
|
D->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
|
|
}
|
|
|
|
void ASTDeclReader::ReadCXXDefinitionData(
|
|
struct CXXRecordDecl::DefinitionData &Data,
|
|
const RecordData &Record, unsigned &Idx) {
|
|
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.HasConstExprNonCopyMoveConstructor = Record[Idx++];
|
|
Data.HasTrivialCopyConstructor = Record[Idx++];
|
|
Data.HasTrivialMoveConstructor = Record[Idx++];
|
|
Data.HasTrivialCopyAssignment = Record[Idx++];
|
|
Data.HasTrivialMoveAssignment = Record[Idx++];
|
|
Data.HasTrivialDestructor = Record[Idx++];
|
|
Data.HasNonLiteralTypeFieldsOrBases = Record[Idx++];
|
|
Data.ComputedVisibleConversions = Record[Idx++];
|
|
Data.DeclaredDefaultConstructor = Record[Idx++];
|
|
Data.DeclaredCopyConstructor = Record[Idx++];
|
|
Data.DeclaredCopyAssignment = Record[Idx++];
|
|
Data.DeclaredDestructor = Record[Idx++];
|
|
|
|
Data.NumBases = Record[Idx++];
|
|
if (Data.NumBases)
|
|
Data.Bases = Reader.GetCXXBaseSpecifiersOffset(Record[Idx++]);
|
|
Data.NumVBases = Record[Idx++];
|
|
if (Data.NumVBases)
|
|
Data.VBases = Reader.GetCXXBaseSpecifiersOffset(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++]));
|
|
}
|
|
|
|
void ASTDeclReader::InitializeCXXDefinitionData(CXXRecordDecl *D,
|
|
CXXRecordDecl *DefinitionDecl,
|
|
const RecordData &Record,
|
|
unsigned &Idx) {
|
|
ASTContext &C = *Reader.getContext();
|
|
|
|
if (D == DefinitionDecl) {
|
|
D->DefinitionData = new (C) struct CXXRecordDecl::DefinitionData(D);
|
|
ReadCXXDefinitionData(*D->DefinitionData, Record, Idx);
|
|
// We read the definition info. Check if there are pending forward
|
|
// references that need to point to this DefinitionData pointer.
|
|
ASTReader::PendingForwardRefsMap::iterator
|
|
FindI = Reader.PendingForwardRefs.find(D);
|
|
if (FindI != Reader.PendingForwardRefs.end()) {
|
|
ASTReader::ForwardRefs &Refs = FindI->second;
|
|
for (ASTReader::ForwardRefs::iterator
|
|
I = Refs.begin(), E = Refs.end(); I != E; ++I)
|
|
(*I)->DefinitionData = D->DefinitionData;
|
|
#ifndef NDEBUG
|
|
// We later check whether PendingForwardRefs is empty to make sure all
|
|
// pending references were linked.
|
|
Reader.PendingForwardRefs.erase(D);
|
|
#endif
|
|
}
|
|
} else if (DefinitionDecl) {
|
|
if (DefinitionDecl->DefinitionData) {
|
|
D->DefinitionData = DefinitionDecl->DefinitionData;
|
|
} else {
|
|
// The definition is still initializing.
|
|
Reader.PendingForwardRefs[DefinitionDecl].push_back(D);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ASTDeclReader::VisitCXXRecordDecl(CXXRecordDecl *D) {
|
|
VisitRecordDecl(D);
|
|
|
|
CXXRecordDecl *DefinitionDecl
|
|
= cast_or_null<CXXRecordDecl>(Reader.GetDecl(Record[Idx++]));
|
|
InitializeCXXDefinitionData(D, DefinitionDecl, Record, Idx);
|
|
|
|
ASTContext &C = *Reader.getContext();
|
|
|
|
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->TemplateOrInstantiation
|
|
= cast<ClassTemplateDecl>(Reader.GetDecl(Record[Idx++]));
|
|
break;
|
|
case CXXRecMemberSpecialization: {
|
|
CXXRecordDecl *RD = cast<CXXRecordDecl>(Reader.GetDecl(Record[Idx++]));
|
|
TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
|
|
SourceLocation POI = ReadSourceLocation(Record, Idx);
|
|
MemberSpecializationInfo *MSI = new (C) MemberSpecializationInfo(RD, TSK);
|
|
MSI->setPointOfInstantiation(POI);
|
|
D->TemplateOrInstantiation = MSI;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Load the key function to avoid deserializing every method so we can
|
|
// compute it.
|
|
if (D->IsDefinition) {
|
|
CXXMethodDecl *Key
|
|
= cast_or_null<CXXMethodDecl>(Reader.GetDecl(Record[Idx++]));
|
|
if (Key)
|
|
C.KeyFunctions[D] = Key;
|
|
}
|
|
}
|
|
|
|
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->CtorInitializers, D->NumCtorInitializers)
|
|
= Reader.ReadCXXCtorInitializers(F, 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(ReadSourceLocation(Record, Idx));
|
|
}
|
|
|
|
void ASTDeclReader::VisitFriendDecl(FriendDecl *D) {
|
|
VisitDecl(D);
|
|
if (Record[Idx++])
|
|
D->Friend = GetTypeSourceInfo(Record, Idx);
|
|
else
|
|
D->Friend = cast<NamedDecl>(Reader.GetDecl(Record[Idx++]));
|
|
D->NextFriend = Record[Idx++];
|
|
D->UnsupportedFriend = (Record[Idx++] != 0);
|
|
D->FriendLoc = 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(F, Record, Idx);
|
|
if (Record[Idx++]) // HasFriendDecl
|
|
D->Friend = cast<NamedDecl>(Reader.GetDecl(Record[Idx++]));
|
|
else
|
|
D->Friend = GetTypeSourceInfo(Record, Idx);
|
|
D->FriendLoc = ReadSourceLocation(Record, Idx);
|
|
}
|
|
|
|
void ASTDeclReader::VisitTemplateDecl(TemplateDecl *D) {
|
|
VisitNamedDecl(D);
|
|
|
|
NamedDecl *TemplatedDecl
|
|
= cast_or_null<NamedDecl>(Reader.GetDecl(Record[Idx++]));
|
|
TemplateParameterList* TemplateParams
|
|
= Reader.ReadTemplateParameterList(F, Record, Idx);
|
|
D->init(TemplatedDecl, TemplateParams);
|
|
}
|
|
|
|
void ASTDeclReader::VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D) {
|
|
// Initialize CommonOrPrev before VisitTemplateDecl so that getCommonPtr()
|
|
// can be used while this is still initializing.
|
|
|
|
assert(D->CommonOrPrev.isNull() && "getCommonPtr was called earlier on this");
|
|
DeclID PreviousDeclID = Record[Idx++];
|
|
DeclID FirstDeclID = PreviousDeclID ? Record[Idx++] : 0;
|
|
// We delay loading of the redeclaration chain to avoid deeply nested calls.
|
|
// We temporarily set the first (canonical) declaration as the previous one
|
|
// which is the one that matters and mark the real previous DeclID to be
|
|
// loaded & attached later on.
|
|
RedeclarableTemplateDecl *FirstDecl =
|
|
cast_or_null<RedeclarableTemplateDecl>(Reader.GetDecl(FirstDeclID));
|
|
assert((FirstDecl == 0 || FirstDecl->getKind() == D->getKind()) &&
|
|
"FirstDecl kind mismatch");
|
|
if (FirstDecl) {
|
|
D->CommonOrPrev = FirstDecl;
|
|
// Mark the real previous DeclID to be loaded & attached later on.
|
|
if (PreviousDeclID != FirstDeclID)
|
|
Reader.PendingPreviousDecls.push_back(std::make_pair(D, PreviousDeclID));
|
|
} else {
|
|
D->CommonOrPrev = D->newCommon(*Reader.getContext());
|
|
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(
|
|
NewLatest->getLocation(),
|
|
LatestDecl->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;
|
|
}
|
|
|
|
VisitTemplateDecl(D);
|
|
D->IdentifierNamespace = Record[Idx++];
|
|
}
|
|
|
|
void ASTDeclReader::VisitClassTemplateDecl(ClassTemplateDecl *D) {
|
|
VisitRedeclarableTemplateDecl(D);
|
|
|
|
if (D->getPreviousDeclaration() == 0) {
|
|
// This ClassTemplateDecl owns a CommonPtr; read it to keep track of all of
|
|
// the specializations.
|
|
llvm::SmallVector<serialization::DeclID, 2> SpecIDs;
|
|
SpecIDs.push_back(0);
|
|
|
|
// Specializations.
|
|
unsigned Size = Record[Idx++];
|
|
SpecIDs[0] += Size;
|
|
SpecIDs.append(Record.begin() + Idx, Record.begin() + Idx + Size);
|
|
Idx += Size;
|
|
|
|
// Partial specializations.
|
|
Size = Record[Idx++];
|
|
SpecIDs[0] += Size;
|
|
SpecIDs.append(Record.begin() + Idx, Record.begin() + Idx + Size);
|
|
Idx += Size;
|
|
|
|
if (SpecIDs[0]) {
|
|
typedef serialization::DeclID DeclID;
|
|
|
|
ClassTemplateDecl::Common *CommonPtr = D->getCommonPtr();
|
|
CommonPtr->LazySpecializations
|
|
= new (*Reader.getContext()) DeclID [SpecIDs.size()];
|
|
memcpy(CommonPtr->LazySpecializations, SpecIDs.data(),
|
|
SpecIDs.size() * sizeof(DeclID));
|
|
}
|
|
|
|
// InjectedClassNameType is computed.
|
|
}
|
|
}
|
|
|
|
void ASTDeclReader::VisitClassTemplateSpecializationDecl(
|
|
ClassTemplateSpecializationDecl *D) {
|
|
VisitCXXRecordDecl(D);
|
|
|
|
ASTContext &C = *Reader.getContext();
|
|
if (Decl *InstD = Reader.GetDecl(Record[Idx++])) {
|
|
if (ClassTemplateDecl *CTD = dyn_cast<ClassTemplateDecl>(InstD)) {
|
|
D->SpecializedTemplate = CTD;
|
|
} else {
|
|
llvm::SmallVector<TemplateArgument, 8> TemplArgs;
|
|
Reader.ReadTemplateArgumentList(TemplArgs, F, Record, Idx);
|
|
TemplateArgumentList *ArgList
|
|
= TemplateArgumentList::CreateCopy(C, TemplArgs.data(),
|
|
TemplArgs.size());
|
|
ClassTemplateSpecializationDecl::SpecializedPartialSpecialization *PS
|
|
= new (C) ClassTemplateSpecializationDecl::
|
|
SpecializedPartialSpecialization();
|
|
PS->PartialSpecialization
|
|
= cast<ClassTemplatePartialSpecializationDecl>(InstD);
|
|
PS->TemplateArgs = ArgList;
|
|
D->SpecializedTemplate = PS;
|
|
}
|
|
}
|
|
|
|
// Explicit info.
|
|
if (TypeSourceInfo *TyInfo = GetTypeSourceInfo(Record, Idx)) {
|
|
ClassTemplateSpecializationDecl::ExplicitSpecializationInfo *ExplicitInfo
|
|
= new (C) ClassTemplateSpecializationDecl::ExplicitSpecializationInfo;
|
|
ExplicitInfo->TypeAsWritten = TyInfo;
|
|
ExplicitInfo->ExternLoc = ReadSourceLocation(Record, Idx);
|
|
ExplicitInfo->TemplateKeywordLoc = ReadSourceLocation(Record, Idx);
|
|
D->ExplicitInfo = ExplicitInfo;
|
|
}
|
|
|
|
llvm::SmallVector<TemplateArgument, 8> TemplArgs;
|
|
Reader.ReadTemplateArgumentList(TemplArgs, F, Record, Idx);
|
|
D->TemplateArgs = TemplateArgumentList::CreateCopy(C, TemplArgs.data(),
|
|
TemplArgs.size());
|
|
D->PointOfInstantiation = ReadSourceLocation(Record, Idx);
|
|
D->SpecializationKind = (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->getCommonPtr()->PartialSpecializations.InsertNode(Partial);
|
|
} else {
|
|
CanonPattern->getCommonPtr()->Specializations.InsertNode(D);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ASTDeclReader::VisitClassTemplatePartialSpecializationDecl(
|
|
ClassTemplatePartialSpecializationDecl *D) {
|
|
VisitClassTemplateSpecializationDecl(D);
|
|
|
|
ASTContext &C = *Reader.getContext();
|
|
D->TemplateParams = Reader.ReadTemplateParameterList(F, Record, Idx);
|
|
|
|
unsigned NumArgs = Record[Idx++];
|
|
if (NumArgs) {
|
|
D->NumArgsAsWritten = NumArgs;
|
|
D->ArgsAsWritten = new (C) TemplateArgumentLoc[NumArgs];
|
|
for (unsigned i=0; i != NumArgs; ++i)
|
|
D->ArgsAsWritten[i] = Reader.ReadTemplateArgumentLoc(F, Record, Idx);
|
|
}
|
|
|
|
D->SequenceNumber = Record[Idx++];
|
|
|
|
// These are read/set from/to the first declaration.
|
|
if (D->getPreviousDeclaration() == 0) {
|
|
D->InstantiatedFromMember.setPointer(
|
|
cast_or_null<ClassTemplatePartialSpecializationDecl>(
|
|
Reader.GetDecl(Record[Idx++])));
|
|
D->InstantiatedFromMember.setInt(Record[Idx++]);
|
|
}
|
|
}
|
|
|
|
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
|
|
// when reading the specialized FunctionDecl.
|
|
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 = GetTypeSourceInfo(Record, Idx);
|
|
D->setDefaultArgument(DefArg, Inherited);
|
|
}
|
|
|
|
void ASTDeclReader::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
|
|
VisitDeclaratorDecl(D);
|
|
// TemplateParmPosition.
|
|
D->setDepth(Record[Idx++]);
|
|
D->setPosition(Record[Idx++]);
|
|
if (D->isExpandedParameterPack()) {
|
|
void **Data = reinterpret_cast<void **>(D + 1);
|
|
for (unsigned I = 0, N = D->getNumExpansionTypes(); I != N; ++I) {
|
|
Data[2*I] = Reader.GetType(Record[Idx++]).getAsOpaquePtr();
|
|
Data[2*I + 1] = GetTypeSourceInfo(Record, Idx);
|
|
}
|
|
} else {
|
|
// Rest of NonTypeTemplateParmDecl.
|
|
D->ParameterPack = Record[Idx++];
|
|
if (Record[Idx++]) {
|
|
Expr *DefArg = Reader.ReadExpr(F);
|
|
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(F, Record, Idx);
|
|
bool IsInherited = Record[Idx++];
|
|
D->setDefaultArgument(Arg, IsInherited);
|
|
D->ParameterPack = Record[Idx++];
|
|
}
|
|
|
|
void ASTDeclReader::VisitStaticAssertDecl(StaticAssertDecl *D) {
|
|
VisitDecl(D);
|
|
D->AssertExpr = Reader.ReadExpr(F);
|
|
D->Message = cast<StringLiteral>(Reader.ReadExpr(F));
|
|
D->RParenLoc = ReadSourceLocation(Record, Idx);
|
|
}
|
|
|
|
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: {
|
|
DeclID PreviousDeclID = Record[Idx++];
|
|
DeclID FirstDeclID = Record[Idx++];
|
|
// We delay loading of the redeclaration chain to avoid deeply nested calls.
|
|
// We temporarily set the first (canonical) declaration as the previous one
|
|
// which is the one that matters and mark the real previous DeclID to be
|
|
// loaded & attached later on.
|
|
D->RedeclLink = typename Redeclarable<T>::PreviousDeclLink(
|
|
cast_or_null<T>(Reader.GetDecl(FirstDeclID)));
|
|
if (PreviousDeclID != FirstDeclID)
|
|
Reader.PendingPreviousDecls.push_back(std::make_pair(static_cast<T*>(D),
|
|
PreviousDeclID));
|
|
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);
|
|
D->RedeclLink
|
|
= typename Redeclarable<T>::LatestDeclLink(cast_or_null<T>(NewLatest));
|
|
}
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Attribute Reading
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
/// \brief Reads attributes from the current stream position.
|
|
void ASTReader::ReadAttributes(PerFileData &F, AttrVec &Attrs,
|
|
const RecordData &Record, unsigned &Idx) {
|
|
for (unsigned i = 0, e = Record[Idx++]; i != e; ++i) {
|
|
Attr *New = 0;
|
|
attr::Kind Kind = (attr::Kind)Record[Idx++];
|
|
SourceLocation Loc = ReadSourceLocation(F, Record, Idx);
|
|
|
|
#include "clang/Serialization/AttrPCHRead.inc"
|
|
|
|
assert(New && "Unable to decode attribute?");
|
|
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, 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, F->DeclOffsets[Index]);
|
|
}
|
|
|
|
void ASTDeclReader::attachPreviousDecl(Decl *D, Decl *previous) {
|
|
assert(D && previous);
|
|
if (TagDecl *TD = dyn_cast<TagDecl>(D)) {
|
|
TD->RedeclLink.setPointer(cast<TagDecl>(previous));
|
|
} else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
|
|
FD->RedeclLink.setPointer(cast<FunctionDecl>(previous));
|
|
} else if (VarDecl *VD = dyn_cast<VarDecl>(D)) {
|
|
VD->RedeclLink.setPointer(cast<VarDecl>(previous));
|
|
} else {
|
|
RedeclarableTemplateDecl *TD = cast<RedeclarableTemplateDecl>(D);
|
|
TD->CommonOrPrev = cast<RedeclarableTemplateDecl>(previous);
|
|
}
|
|
}
|
|
|
|
void ASTReader::loadAndAttachPreviousDecl(Decl *D, serialization::DeclID ID) {
|
|
Decl *previous = GetDecl(ID);
|
|
ASTDeclReader::attachPreviousDecl(D, previous);
|
|
}
|
|
|
|
/// \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.F->DeclsCursor;
|
|
// 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.Offset);
|
|
RecordData Record;
|
|
unsigned Code = DeclsCursor.ReadCode();
|
|
unsigned Idx = 0;
|
|
ASTDeclReader Reader(*this, *Loc.F, DeclsCursor, ID, Record, Idx);
|
|
|
|
Decl *D = 0;
|
|
switch ((DeclCode)DeclsCursor.ReadRecord(Code, Record)) {
|
|
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(), SourceLocation(),
|
|
0, 0);
|
|
break;
|
|
case DECL_TYPEALIAS:
|
|
D = TypeAliasDecl::Create(*Context, 0, SourceLocation(), 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(), SourceLocation(),
|
|
DeclarationName(), QualType(), 0);
|
|
break;
|
|
case DECL_LINKAGE_SPEC:
|
|
D = LinkageSpecDecl::Create(*Context, 0, SourceLocation(), SourceLocation(),
|
|
(LinkageSpecDecl::LanguageIDs)0,
|
|
SourceLocation());
|
|
break;
|
|
case DECL_LABEL:
|
|
D = LabelDecl::Create(*Context, 0, SourceLocation(), 0);
|
|
break;
|
|
case DECL_NAMESPACE:
|
|
D = NamespaceDecl::Create(*Context, 0, SourceLocation(),
|
|
SourceLocation(), 0);
|
|
break;
|
|
case DECL_NAMESPACE_ALIAS:
|
|
D = NamespaceAliasDecl::Create(*Context, 0, SourceLocation(),
|
|
SourceLocation(), 0,
|
|
NestedNameSpecifierLoc(),
|
|
SourceLocation(), 0);
|
|
break;
|
|
case DECL_USING:
|
|
D = UsingDecl::Create(*Context, 0, SourceLocation(),
|
|
NestedNameSpecifierLoc(), 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(), NestedNameSpecifierLoc(),
|
|
SourceLocation(), 0, 0);
|
|
break;
|
|
case DECL_UNRESOLVED_USING_VALUE:
|
|
D = UnresolvedUsingValueDecl::Create(*Context, 0, SourceLocation(),
|
|
NestedNameSpecifierLoc(),
|
|
DeclarationNameInfo());
|
|
break;
|
|
case DECL_UNRESOLVED_USING_TYPENAME:
|
|
D = UnresolvedUsingTypenameDecl::Create(*Context, 0, SourceLocation(),
|
|
SourceLocation(),
|
|
NestedNameSpecifierLoc(),
|
|
SourceLocation(),
|
|
DeclarationName());
|
|
break;
|
|
case DECL_CXX_RECORD:
|
|
D = CXXRecordDecl::Create(*Context, Decl::EmptyShell());
|
|
break;
|
|
case DECL_CXX_METHOD:
|
|
D = CXXMethodDecl::Create(*Context, 0, SourceLocation(),
|
|
DeclarationNameInfo(), QualType(), 0,
|
|
false, SC_None, false, SourceLocation());
|
|
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, Decl::EmptyShell());
|
|
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, Decl::EmptyShell());
|
|
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, Decl::EmptyShell());
|
|
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(),
|
|
SourceLocation(), 0, 0, 0, QualType(),
|
|
false, 0);
|
|
break;
|
|
case DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK:
|
|
D = NonTypeTemplateParmDecl::Create(*Context, 0, SourceLocation(),
|
|
SourceLocation(), 0, 0, 0, QualType(),
|
|
0, 0, Record[Idx++], 0);
|
|
break;
|
|
case DECL_TEMPLATE_TEMPLATE_PARM:
|
|
D = TemplateTemplateParmDecl::Create(*Context, 0, SourceLocation(), 0, 0,
|
|
false, 0, 0);
|
|
break;
|
|
case DECL_STATIC_ASSERT:
|
|
D = StaticAssertDecl::Create(*Context, 0, SourceLocation(), 0, 0,
|
|
SourceLocation());
|
|
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(), 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(),
|
|
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,
|
|
SourceLocation());
|
|
break;
|
|
case DECL_FIELD:
|
|
D = FieldDecl::Create(*Context, 0, SourceLocation(), SourceLocation(), 0,
|
|
QualType(), 0, 0, false);
|
|
break;
|
|
case DECL_INDIRECTFIELD:
|
|
D = IndirectFieldDecl::Create(*Context, 0, SourceLocation(), 0, QualType(),
|
|
0, 0);
|
|
break;
|
|
case DECL_VAR:
|
|
D = VarDecl::Create(*Context, 0, SourceLocation(), 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(), SourceLocation(), 0,
|
|
QualType(), 0, SC_None, SC_None, 0);
|
|
break;
|
|
case DECL_FILE_SCOPE_ASM:
|
|
D = FileScopeAsmDecl::Create(*Context, 0, 0, SourceLocation(),
|
|
SourceLocation());
|
|
break;
|
|
case DECL_BLOCK:
|
|
D = BlockDecl::Create(*Context, 0, SourceLocation());
|
|
break;
|
|
case DECL_CXX_BASE_SPECIFIERS:
|
|
Error("attempt to read a C++ base-specifier record as a declaration");
|
|
return 0;
|
|
}
|
|
|
|
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()) {
|
|
// There are updates. This means the context has external visible
|
|
// storage, even if the original stored version didn't.
|
|
DC->setHasExternalVisibleStorage(true);
|
|
DeclContextVisibleUpdates &U = I->second;
|
|
DeclContextInfos &Infos = DeclContextOffsets[DC];
|
|
DeclContextInfo Info;
|
|
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);
|
|
}
|
|
}
|
|
assert(Idx == Record.size());
|
|
|
|
// The declaration may have been modified by files later in the chain.
|
|
// If this is the case, read the record containing the updates from each file
|
|
// and pass it to ASTDeclReader to make the modifications.
|
|
DeclUpdateOffsetsMap::iterator UpdI = DeclUpdateOffsets.find(ID);
|
|
if (UpdI != DeclUpdateOffsets.end()) {
|
|
FileOffsetsTy &UpdateOffsets = UpdI->second;
|
|
for (FileOffsetsTy::iterator
|
|
I = UpdateOffsets.begin(), E = UpdateOffsets.end(); I != E; ++I) {
|
|
PerFileData *F = I->first;
|
|
uint64_t Offset = I->second;
|
|
llvm::BitstreamCursor &Cursor = F->DeclsCursor;
|
|
SavedStreamPosition SavedPosition(Cursor);
|
|
Cursor.JumpToBit(Offset);
|
|
RecordData Record;
|
|
unsigned Code = Cursor.ReadCode();
|
|
unsigned RecCode = Cursor.ReadRecord(Code, Record);
|
|
(void)RecCode;
|
|
assert(RecCode == DECL_UPDATES && "Expected DECL_UPDATES record!");
|
|
Reader.UpdateDecl(D, Record);
|
|
}
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
void ASTDeclReader::UpdateDecl(Decl *D, const RecordData &Record) {
|
|
unsigned Idx = 0;
|
|
while (Idx < Record.size()) {
|
|
switch ((DeclUpdateKind)Record[Idx++]) {
|
|
case UPD_CXX_SET_DEFINITIONDATA: {
|
|
CXXRecordDecl *RD = cast<CXXRecordDecl>(D);
|
|
CXXRecordDecl *
|
|
DefinitionDecl = cast<CXXRecordDecl>(Reader.GetDecl(Record[Idx++]));
|
|
assert(!RD->DefinitionData && "DefinitionData is already set!");
|
|
InitializeCXXDefinitionData(RD, DefinitionDecl, Record, Idx);
|
|
break;
|
|
}
|
|
|
|
case UPD_CXX_ADDED_IMPLICIT_MEMBER:
|
|
cast<CXXRecordDecl>(D)->addedMember(Reader.GetDecl(Record[Idx++]));
|
|
break;
|
|
|
|
case UPD_CXX_ADDED_TEMPLATE_SPECIALIZATION:
|
|
// It will be added to the template's specializations set when loaded.
|
|
Reader.GetDecl(Record[Idx++]);
|
|
break;
|
|
|
|
case UPD_CXX_ADDED_ANONYMOUS_NAMESPACE: {
|
|
NamespaceDecl *Anon = cast<NamespaceDecl>(Reader.GetDecl(Record[Idx++]));
|
|
// Guard against these being loaded out of original order. Don't use
|
|
// getNextNamespace(), since it tries to access the context and can't in
|
|
// the middle of deserialization.
|
|
if (!Anon->NextNamespace) {
|
|
if (TranslationUnitDecl *TU = dyn_cast<TranslationUnitDecl>(D))
|
|
TU->setAnonymousNamespace(Anon);
|
|
else
|
|
cast<NamespaceDecl>(D)->OrigOrAnonNamespace.setPointer(Anon);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|