forked from OSchip/llvm-project
4857 lines
174 KiB
C++
4857 lines
174 KiB
C++
//===--- ASTWriter.cpp - AST File Writer ----------------------------------===//
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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 defines the ASTWriter class, which writes AST files.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Serialization/ASTWriter.h"
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#include "ASTCommon.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/Decl.h"
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#include "clang/AST/DeclContextInternals.h"
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#include "clang/AST/DeclFriend.h"
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#include "clang/AST/DeclTemplate.h"
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#include "clang/AST/Expr.h"
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#include "clang/AST/ExprCXX.h"
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#include "clang/AST/Type.h"
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#include "clang/AST/TypeLocVisitor.h"
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#include "clang/Basic/FileManager.h"
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#include "clang/Basic/FileSystemStatCache.h"
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#include "clang/Basic/OnDiskHashTable.h"
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#include "clang/Basic/SourceManager.h"
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#include "clang/Basic/SourceManagerInternals.h"
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#include "clang/Basic/TargetInfo.h"
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#include "clang/Basic/TargetOptions.h"
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#include "clang/Basic/Version.h"
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#include "clang/Basic/VersionTuple.h"
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#include "clang/Lex/HeaderSearch.h"
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#include "clang/Lex/HeaderSearchOptions.h"
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#include "clang/Lex/MacroInfo.h"
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#include "clang/Lex/PreprocessingRecord.h"
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#include "clang/Lex/Preprocessor.h"
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#include "clang/Lex/PreprocessorOptions.h"
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#include "clang/Sema/IdentifierResolver.h"
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#include "clang/Sema/Sema.h"
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#include "clang/Serialization/ASTReader.h"
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#include "llvm/ADT/APFloat.h"
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#include "llvm/ADT/APInt.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/Bitcode/BitstreamWriter.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/Path.h"
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#include <algorithm>
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#include <cstdio>
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#include <string.h>
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#include <utility>
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using namespace clang;
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using namespace clang::serialization;
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template <typename T, typename Allocator>
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static StringRef data(const std::vector<T, Allocator> &v) {
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if (v.empty()) return StringRef();
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return StringRef(reinterpret_cast<const char*>(&v[0]),
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sizeof(T) * v.size());
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}
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template <typename T>
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static StringRef data(const SmallVectorImpl<T> &v) {
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return StringRef(reinterpret_cast<const char*>(v.data()),
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sizeof(T) * v.size());
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}
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//===----------------------------------------------------------------------===//
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// Type serialization
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//===----------------------------------------------------------------------===//
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namespace {
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class ASTTypeWriter {
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ASTWriter &Writer;
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ASTWriter::RecordDataImpl &Record;
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public:
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/// \brief Type code that corresponds to the record generated.
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TypeCode Code;
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ASTTypeWriter(ASTWriter &Writer, ASTWriter::RecordDataImpl &Record)
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: Writer(Writer), Record(Record), Code(TYPE_EXT_QUAL) { }
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void VisitArrayType(const ArrayType *T);
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void VisitFunctionType(const FunctionType *T);
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void VisitTagType(const TagType *T);
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#define TYPE(Class, Base) void Visit##Class##Type(const Class##Type *T);
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#define ABSTRACT_TYPE(Class, Base)
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#include "clang/AST/TypeNodes.def"
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};
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}
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void ASTTypeWriter::VisitBuiltinType(const BuiltinType *T) {
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llvm_unreachable("Built-in types are never serialized");
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}
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void ASTTypeWriter::VisitComplexType(const ComplexType *T) {
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Writer.AddTypeRef(T->getElementType(), Record);
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Code = TYPE_COMPLEX;
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}
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void ASTTypeWriter::VisitPointerType(const PointerType *T) {
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Writer.AddTypeRef(T->getPointeeType(), Record);
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Code = TYPE_POINTER;
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}
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void ASTTypeWriter::VisitBlockPointerType(const BlockPointerType *T) {
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Writer.AddTypeRef(T->getPointeeType(), Record);
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Code = TYPE_BLOCK_POINTER;
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}
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void ASTTypeWriter::VisitLValueReferenceType(const LValueReferenceType *T) {
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Writer.AddTypeRef(T->getPointeeTypeAsWritten(), Record);
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Record.push_back(T->isSpelledAsLValue());
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Code = TYPE_LVALUE_REFERENCE;
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}
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void ASTTypeWriter::VisitRValueReferenceType(const RValueReferenceType *T) {
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Writer.AddTypeRef(T->getPointeeTypeAsWritten(), Record);
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Code = TYPE_RVALUE_REFERENCE;
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}
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void ASTTypeWriter::VisitMemberPointerType(const MemberPointerType *T) {
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Writer.AddTypeRef(T->getPointeeType(), Record);
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Writer.AddTypeRef(QualType(T->getClass(), 0), Record);
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Code = TYPE_MEMBER_POINTER;
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}
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void ASTTypeWriter::VisitArrayType(const ArrayType *T) {
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Writer.AddTypeRef(T->getElementType(), Record);
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Record.push_back(T->getSizeModifier()); // FIXME: stable values
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Record.push_back(T->getIndexTypeCVRQualifiers()); // FIXME: stable values
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}
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void ASTTypeWriter::VisitConstantArrayType(const ConstantArrayType *T) {
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VisitArrayType(T);
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Writer.AddAPInt(T->getSize(), Record);
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Code = TYPE_CONSTANT_ARRAY;
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}
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void ASTTypeWriter::VisitIncompleteArrayType(const IncompleteArrayType *T) {
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VisitArrayType(T);
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Code = TYPE_INCOMPLETE_ARRAY;
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}
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void ASTTypeWriter::VisitVariableArrayType(const VariableArrayType *T) {
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VisitArrayType(T);
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Writer.AddSourceLocation(T->getLBracketLoc(), Record);
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Writer.AddSourceLocation(T->getRBracketLoc(), Record);
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Writer.AddStmt(T->getSizeExpr());
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Code = TYPE_VARIABLE_ARRAY;
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}
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void ASTTypeWriter::VisitVectorType(const VectorType *T) {
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Writer.AddTypeRef(T->getElementType(), Record);
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Record.push_back(T->getNumElements());
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Record.push_back(T->getVectorKind());
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Code = TYPE_VECTOR;
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}
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void ASTTypeWriter::VisitExtVectorType(const ExtVectorType *T) {
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VisitVectorType(T);
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Code = TYPE_EXT_VECTOR;
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}
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void ASTTypeWriter::VisitFunctionType(const FunctionType *T) {
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Writer.AddTypeRef(T->getResultType(), Record);
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FunctionType::ExtInfo C = T->getExtInfo();
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Record.push_back(C.getNoReturn());
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Record.push_back(C.getHasRegParm());
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Record.push_back(C.getRegParm());
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// FIXME: need to stabilize encoding of calling convention...
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Record.push_back(C.getCC());
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Record.push_back(C.getProducesResult());
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}
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void ASTTypeWriter::VisitFunctionNoProtoType(const FunctionNoProtoType *T) {
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VisitFunctionType(T);
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Code = TYPE_FUNCTION_NO_PROTO;
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}
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void ASTTypeWriter::VisitFunctionProtoType(const FunctionProtoType *T) {
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VisitFunctionType(T);
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Record.push_back(T->getNumArgs());
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for (unsigned I = 0, N = T->getNumArgs(); I != N; ++I)
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Writer.AddTypeRef(T->getArgType(I), Record);
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Record.push_back(T->isVariadic());
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Record.push_back(T->hasTrailingReturn());
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Record.push_back(T->getTypeQuals());
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Record.push_back(static_cast<unsigned>(T->getRefQualifier()));
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Record.push_back(T->getExceptionSpecType());
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if (T->getExceptionSpecType() == EST_Dynamic) {
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Record.push_back(T->getNumExceptions());
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for (unsigned I = 0, N = T->getNumExceptions(); I != N; ++I)
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Writer.AddTypeRef(T->getExceptionType(I), Record);
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} else if (T->getExceptionSpecType() == EST_ComputedNoexcept) {
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Writer.AddStmt(T->getNoexceptExpr());
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} else if (T->getExceptionSpecType() == EST_Uninstantiated) {
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Writer.AddDeclRef(T->getExceptionSpecDecl(), Record);
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Writer.AddDeclRef(T->getExceptionSpecTemplate(), Record);
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} else if (T->getExceptionSpecType() == EST_Unevaluated) {
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Writer.AddDeclRef(T->getExceptionSpecDecl(), Record);
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}
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Code = TYPE_FUNCTION_PROTO;
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}
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void ASTTypeWriter::VisitUnresolvedUsingType(const UnresolvedUsingType *T) {
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Writer.AddDeclRef(T->getDecl(), Record);
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Code = TYPE_UNRESOLVED_USING;
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}
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void ASTTypeWriter::VisitTypedefType(const TypedefType *T) {
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Writer.AddDeclRef(T->getDecl(), Record);
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assert(!T->isCanonicalUnqualified() && "Invalid typedef ?");
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Writer.AddTypeRef(T->getCanonicalTypeInternal(), Record);
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Code = TYPE_TYPEDEF;
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}
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void ASTTypeWriter::VisitTypeOfExprType(const TypeOfExprType *T) {
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Writer.AddStmt(T->getUnderlyingExpr());
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Code = TYPE_TYPEOF_EXPR;
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}
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void ASTTypeWriter::VisitTypeOfType(const TypeOfType *T) {
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Writer.AddTypeRef(T->getUnderlyingType(), Record);
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Code = TYPE_TYPEOF;
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}
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void ASTTypeWriter::VisitDecltypeType(const DecltypeType *T) {
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Writer.AddTypeRef(T->getUnderlyingType(), Record);
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Writer.AddStmt(T->getUnderlyingExpr());
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Code = TYPE_DECLTYPE;
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}
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void ASTTypeWriter::VisitUnaryTransformType(const UnaryTransformType *T) {
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Writer.AddTypeRef(T->getBaseType(), Record);
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Writer.AddTypeRef(T->getUnderlyingType(), Record);
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Record.push_back(T->getUTTKind());
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Code = TYPE_UNARY_TRANSFORM;
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}
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void ASTTypeWriter::VisitAutoType(const AutoType *T) {
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Writer.AddTypeRef(T->getDeducedType(), Record);
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Code = TYPE_AUTO;
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}
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void ASTTypeWriter::VisitTagType(const TagType *T) {
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Record.push_back(T->isDependentType());
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Writer.AddDeclRef(T->getDecl()->getCanonicalDecl(), Record);
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assert(!T->isBeingDefined() &&
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"Cannot serialize in the middle of a type definition");
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}
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void ASTTypeWriter::VisitRecordType(const RecordType *T) {
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VisitTagType(T);
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Code = TYPE_RECORD;
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}
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void ASTTypeWriter::VisitEnumType(const EnumType *T) {
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VisitTagType(T);
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Code = TYPE_ENUM;
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}
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void ASTTypeWriter::VisitAttributedType(const AttributedType *T) {
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Writer.AddTypeRef(T->getModifiedType(), Record);
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Writer.AddTypeRef(T->getEquivalentType(), Record);
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Record.push_back(T->getAttrKind());
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Code = TYPE_ATTRIBUTED;
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}
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void
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ASTTypeWriter::VisitSubstTemplateTypeParmType(
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const SubstTemplateTypeParmType *T) {
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Writer.AddTypeRef(QualType(T->getReplacedParameter(), 0), Record);
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Writer.AddTypeRef(T->getReplacementType(), Record);
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Code = TYPE_SUBST_TEMPLATE_TYPE_PARM;
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}
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void
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ASTTypeWriter::VisitSubstTemplateTypeParmPackType(
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const SubstTemplateTypeParmPackType *T) {
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Writer.AddTypeRef(QualType(T->getReplacedParameter(), 0), Record);
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Writer.AddTemplateArgument(T->getArgumentPack(), Record);
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Code = TYPE_SUBST_TEMPLATE_TYPE_PARM_PACK;
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}
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void
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ASTTypeWriter::VisitTemplateSpecializationType(
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const TemplateSpecializationType *T) {
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Record.push_back(T->isDependentType());
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Writer.AddTemplateName(T->getTemplateName(), Record);
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Record.push_back(T->getNumArgs());
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for (TemplateSpecializationType::iterator ArgI = T->begin(), ArgE = T->end();
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ArgI != ArgE; ++ArgI)
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Writer.AddTemplateArgument(*ArgI, Record);
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Writer.AddTypeRef(T->isTypeAlias() ? T->getAliasedType() :
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T->isCanonicalUnqualified() ? QualType()
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: T->getCanonicalTypeInternal(),
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Record);
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Code = TYPE_TEMPLATE_SPECIALIZATION;
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}
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void
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ASTTypeWriter::VisitDependentSizedArrayType(const DependentSizedArrayType *T) {
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VisitArrayType(T);
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Writer.AddStmt(T->getSizeExpr());
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Writer.AddSourceRange(T->getBracketsRange(), Record);
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Code = TYPE_DEPENDENT_SIZED_ARRAY;
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}
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void
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ASTTypeWriter::VisitDependentSizedExtVectorType(
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const DependentSizedExtVectorType *T) {
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// FIXME: Serialize this type (C++ only)
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llvm_unreachable("Cannot serialize dependent sized extended vector types");
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}
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void
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ASTTypeWriter::VisitTemplateTypeParmType(const TemplateTypeParmType *T) {
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Record.push_back(T->getDepth());
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Record.push_back(T->getIndex());
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Record.push_back(T->isParameterPack());
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Writer.AddDeclRef(T->getDecl(), Record);
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Code = TYPE_TEMPLATE_TYPE_PARM;
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}
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void
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ASTTypeWriter::VisitDependentNameType(const DependentNameType *T) {
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Record.push_back(T->getKeyword());
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Writer.AddNestedNameSpecifier(T->getQualifier(), Record);
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Writer.AddIdentifierRef(T->getIdentifier(), Record);
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Writer.AddTypeRef(T->isCanonicalUnqualified() ? QualType()
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: T->getCanonicalTypeInternal(),
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Record);
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Code = TYPE_DEPENDENT_NAME;
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}
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void
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ASTTypeWriter::VisitDependentTemplateSpecializationType(
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const DependentTemplateSpecializationType *T) {
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Record.push_back(T->getKeyword());
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Writer.AddNestedNameSpecifier(T->getQualifier(), Record);
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Writer.AddIdentifierRef(T->getIdentifier(), Record);
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Record.push_back(T->getNumArgs());
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for (DependentTemplateSpecializationType::iterator
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I = T->begin(), E = T->end(); I != E; ++I)
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Writer.AddTemplateArgument(*I, Record);
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Code = TYPE_DEPENDENT_TEMPLATE_SPECIALIZATION;
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}
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void ASTTypeWriter::VisitPackExpansionType(const PackExpansionType *T) {
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Writer.AddTypeRef(T->getPattern(), Record);
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if (llvm::Optional<unsigned> NumExpansions = T->getNumExpansions())
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Record.push_back(*NumExpansions + 1);
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else
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Record.push_back(0);
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Code = TYPE_PACK_EXPANSION;
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}
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void ASTTypeWriter::VisitParenType(const ParenType *T) {
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Writer.AddTypeRef(T->getInnerType(), Record);
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Code = TYPE_PAREN;
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}
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void ASTTypeWriter::VisitElaboratedType(const ElaboratedType *T) {
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Record.push_back(T->getKeyword());
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Writer.AddNestedNameSpecifier(T->getQualifier(), Record);
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Writer.AddTypeRef(T->getNamedType(), Record);
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Code = TYPE_ELABORATED;
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}
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void ASTTypeWriter::VisitInjectedClassNameType(const InjectedClassNameType *T) {
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Writer.AddDeclRef(T->getDecl()->getCanonicalDecl(), Record);
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Writer.AddTypeRef(T->getInjectedSpecializationType(), Record);
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Code = TYPE_INJECTED_CLASS_NAME;
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}
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void ASTTypeWriter::VisitObjCInterfaceType(const ObjCInterfaceType *T) {
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Writer.AddDeclRef(T->getDecl()->getCanonicalDecl(), Record);
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Code = TYPE_OBJC_INTERFACE;
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}
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void ASTTypeWriter::VisitObjCObjectType(const ObjCObjectType *T) {
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Writer.AddTypeRef(T->getBaseType(), Record);
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Record.push_back(T->getNumProtocols());
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for (ObjCObjectType::qual_iterator I = T->qual_begin(),
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E = T->qual_end(); I != E; ++I)
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Writer.AddDeclRef(*I, Record);
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Code = TYPE_OBJC_OBJECT;
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}
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void
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ASTTypeWriter::VisitObjCObjectPointerType(const ObjCObjectPointerType *T) {
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Writer.AddTypeRef(T->getPointeeType(), Record);
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Code = TYPE_OBJC_OBJECT_POINTER;
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}
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void
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ASTTypeWriter::VisitAtomicType(const AtomicType *T) {
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Writer.AddTypeRef(T->getValueType(), Record);
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Code = TYPE_ATOMIC;
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}
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namespace {
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class TypeLocWriter : public TypeLocVisitor<TypeLocWriter> {
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ASTWriter &Writer;
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ASTWriter::RecordDataImpl &Record;
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public:
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TypeLocWriter(ASTWriter &Writer, ASTWriter::RecordDataImpl &Record)
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: Writer(Writer), Record(Record) { }
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#define ABSTRACT_TYPELOC(CLASS, PARENT)
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#define TYPELOC(CLASS, PARENT) \
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void Visit##CLASS##TypeLoc(CLASS##TypeLoc TyLoc);
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#include "clang/AST/TypeLocNodes.def"
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void VisitArrayTypeLoc(ArrayTypeLoc TyLoc);
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void VisitFunctionTypeLoc(FunctionTypeLoc TyLoc);
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};
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}
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void TypeLocWriter::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) {
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// nothing to do
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}
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void TypeLocWriter::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) {
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Writer.AddSourceLocation(TL.getBuiltinLoc(), Record);
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if (TL.needsExtraLocalData()) {
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Record.push_back(TL.getWrittenTypeSpec());
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Record.push_back(TL.getWrittenSignSpec());
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Record.push_back(TL.getWrittenWidthSpec());
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Record.push_back(TL.hasModeAttr());
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}
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}
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void TypeLocWriter::VisitComplexTypeLoc(ComplexTypeLoc TL) {
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Writer.AddSourceLocation(TL.getNameLoc(), Record);
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}
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void TypeLocWriter::VisitPointerTypeLoc(PointerTypeLoc TL) {
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Writer.AddSourceLocation(TL.getStarLoc(), Record);
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}
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void TypeLocWriter::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
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Writer.AddSourceLocation(TL.getCaretLoc(), Record);
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}
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void TypeLocWriter::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
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Writer.AddSourceLocation(TL.getAmpLoc(), Record);
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}
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void TypeLocWriter::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
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Writer.AddSourceLocation(TL.getAmpAmpLoc(), Record);
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}
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void TypeLocWriter::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
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Writer.AddSourceLocation(TL.getStarLoc(), Record);
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Writer.AddTypeSourceInfo(TL.getClassTInfo(), Record);
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}
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void TypeLocWriter::VisitArrayTypeLoc(ArrayTypeLoc TL) {
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Writer.AddSourceLocation(TL.getLBracketLoc(), Record);
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Writer.AddSourceLocation(TL.getRBracketLoc(), Record);
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Record.push_back(TL.getSizeExpr() ? 1 : 0);
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if (TL.getSizeExpr())
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Writer.AddStmt(TL.getSizeExpr());
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}
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void TypeLocWriter::VisitConstantArrayTypeLoc(ConstantArrayTypeLoc TL) {
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VisitArrayTypeLoc(TL);
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}
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void TypeLocWriter::VisitIncompleteArrayTypeLoc(IncompleteArrayTypeLoc TL) {
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VisitArrayTypeLoc(TL);
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}
|
|
void TypeLocWriter::VisitVariableArrayTypeLoc(VariableArrayTypeLoc TL) {
|
|
VisitArrayTypeLoc(TL);
|
|
}
|
|
void TypeLocWriter::VisitDependentSizedArrayTypeLoc(
|
|
DependentSizedArrayTypeLoc TL) {
|
|
VisitArrayTypeLoc(TL);
|
|
}
|
|
void TypeLocWriter::VisitDependentSizedExtVectorTypeLoc(
|
|
DependentSizedExtVectorTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getNameLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitVectorTypeLoc(VectorTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getNameLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitExtVectorTypeLoc(ExtVectorTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getNameLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitFunctionTypeLoc(FunctionTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getLocalRangeBegin(), Record);
|
|
Writer.AddSourceLocation(TL.getLParenLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getRParenLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getLocalRangeEnd(), Record);
|
|
for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i)
|
|
Writer.AddDeclRef(TL.getArg(i), Record);
|
|
}
|
|
void TypeLocWriter::VisitFunctionProtoTypeLoc(FunctionProtoTypeLoc TL) {
|
|
VisitFunctionTypeLoc(TL);
|
|
}
|
|
void TypeLocWriter::VisitFunctionNoProtoTypeLoc(FunctionNoProtoTypeLoc TL) {
|
|
VisitFunctionTypeLoc(TL);
|
|
}
|
|
void TypeLocWriter::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getNameLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getNameLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getTypeofLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getLParenLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getRParenLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getTypeofLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getLParenLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getRParenLoc(), Record);
|
|
Writer.AddTypeSourceInfo(TL.getUnderlyingTInfo(), Record);
|
|
}
|
|
void TypeLocWriter::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getNameLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getKWLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getLParenLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getRParenLoc(), Record);
|
|
Writer.AddTypeSourceInfo(TL.getUnderlyingTInfo(), Record);
|
|
}
|
|
void TypeLocWriter::VisitAutoTypeLoc(AutoTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getNameLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitRecordTypeLoc(RecordTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getNameLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitEnumTypeLoc(EnumTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getNameLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitAttributedTypeLoc(AttributedTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getAttrNameLoc(), Record);
|
|
if (TL.hasAttrOperand()) {
|
|
SourceRange range = TL.getAttrOperandParensRange();
|
|
Writer.AddSourceLocation(range.getBegin(), Record);
|
|
Writer.AddSourceLocation(range.getEnd(), Record);
|
|
}
|
|
if (TL.hasAttrExprOperand()) {
|
|
Expr *operand = TL.getAttrExprOperand();
|
|
Record.push_back(operand ? 1 : 0);
|
|
if (operand) Writer.AddStmt(operand);
|
|
} else if (TL.hasAttrEnumOperand()) {
|
|
Writer.AddSourceLocation(TL.getAttrEnumOperandLoc(), Record);
|
|
}
|
|
}
|
|
void TypeLocWriter::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getNameLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitSubstTemplateTypeParmTypeLoc(
|
|
SubstTemplateTypeParmTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getNameLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitSubstTemplateTypeParmPackTypeLoc(
|
|
SubstTemplateTypeParmPackTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getNameLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitTemplateSpecializationTypeLoc(
|
|
TemplateSpecializationTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getTemplateKeywordLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getTemplateNameLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getLAngleLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getRAngleLoc(), Record);
|
|
for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i)
|
|
Writer.AddTemplateArgumentLocInfo(TL.getArgLoc(i).getArgument().getKind(),
|
|
TL.getArgLoc(i).getLocInfo(), Record);
|
|
}
|
|
void TypeLocWriter::VisitParenTypeLoc(ParenTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getLParenLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getRParenLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getElaboratedKeywordLoc(), Record);
|
|
Writer.AddNestedNameSpecifierLoc(TL.getQualifierLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getNameLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getElaboratedKeywordLoc(), Record);
|
|
Writer.AddNestedNameSpecifierLoc(TL.getQualifierLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getNameLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitDependentTemplateSpecializationTypeLoc(
|
|
DependentTemplateSpecializationTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getElaboratedKeywordLoc(), Record);
|
|
Writer.AddNestedNameSpecifierLoc(TL.getQualifierLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getTemplateKeywordLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getTemplateNameLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getLAngleLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getRAngleLoc(), Record);
|
|
for (unsigned I = 0, E = TL.getNumArgs(); I != E; ++I)
|
|
Writer.AddTemplateArgumentLocInfo(TL.getArgLoc(I).getArgument().getKind(),
|
|
TL.getArgLoc(I).getLocInfo(), Record);
|
|
}
|
|
void TypeLocWriter::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getEllipsisLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getNameLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
|
|
Record.push_back(TL.hasBaseTypeAsWritten());
|
|
Writer.AddSourceLocation(TL.getLAngleLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getRAngleLoc(), Record);
|
|
for (unsigned i = 0, e = TL.getNumProtocols(); i != e; ++i)
|
|
Writer.AddSourceLocation(TL.getProtocolLoc(i), Record);
|
|
}
|
|
void TypeLocWriter::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getStarLoc(), Record);
|
|
}
|
|
void TypeLocWriter::VisitAtomicTypeLoc(AtomicTypeLoc TL) {
|
|
Writer.AddSourceLocation(TL.getKWLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getLParenLoc(), Record);
|
|
Writer.AddSourceLocation(TL.getRParenLoc(), Record);
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// ASTWriter Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
static void EmitBlockID(unsigned ID, const char *Name,
|
|
llvm::BitstreamWriter &Stream,
|
|
ASTWriter::RecordDataImpl &Record) {
|
|
Record.clear();
|
|
Record.push_back(ID);
|
|
Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_SETBID, Record);
|
|
|
|
// Emit the block name if present.
|
|
if (Name == 0 || Name[0] == 0) return;
|
|
Record.clear();
|
|
while (*Name)
|
|
Record.push_back(*Name++);
|
|
Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_BLOCKNAME, Record);
|
|
}
|
|
|
|
static void EmitRecordID(unsigned ID, const char *Name,
|
|
llvm::BitstreamWriter &Stream,
|
|
ASTWriter::RecordDataImpl &Record) {
|
|
Record.clear();
|
|
Record.push_back(ID);
|
|
while (*Name)
|
|
Record.push_back(*Name++);
|
|
Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_SETRECORDNAME, Record);
|
|
}
|
|
|
|
static void AddStmtsExprs(llvm::BitstreamWriter &Stream,
|
|
ASTWriter::RecordDataImpl &Record) {
|
|
#define RECORD(X) EmitRecordID(X, #X, Stream, Record)
|
|
RECORD(STMT_STOP);
|
|
RECORD(STMT_NULL_PTR);
|
|
RECORD(STMT_NULL);
|
|
RECORD(STMT_COMPOUND);
|
|
RECORD(STMT_CASE);
|
|
RECORD(STMT_DEFAULT);
|
|
RECORD(STMT_LABEL);
|
|
RECORD(STMT_ATTRIBUTED);
|
|
RECORD(STMT_IF);
|
|
RECORD(STMT_SWITCH);
|
|
RECORD(STMT_WHILE);
|
|
RECORD(STMT_DO);
|
|
RECORD(STMT_FOR);
|
|
RECORD(STMT_GOTO);
|
|
RECORD(STMT_INDIRECT_GOTO);
|
|
RECORD(STMT_CONTINUE);
|
|
RECORD(STMT_BREAK);
|
|
RECORD(STMT_RETURN);
|
|
RECORD(STMT_DECL);
|
|
RECORD(STMT_GCCASM);
|
|
RECORD(STMT_MSASM);
|
|
RECORD(EXPR_PREDEFINED);
|
|
RECORD(EXPR_DECL_REF);
|
|
RECORD(EXPR_INTEGER_LITERAL);
|
|
RECORD(EXPR_FLOATING_LITERAL);
|
|
RECORD(EXPR_IMAGINARY_LITERAL);
|
|
RECORD(EXPR_STRING_LITERAL);
|
|
RECORD(EXPR_CHARACTER_LITERAL);
|
|
RECORD(EXPR_PAREN);
|
|
RECORD(EXPR_UNARY_OPERATOR);
|
|
RECORD(EXPR_SIZEOF_ALIGN_OF);
|
|
RECORD(EXPR_ARRAY_SUBSCRIPT);
|
|
RECORD(EXPR_CALL);
|
|
RECORD(EXPR_MEMBER);
|
|
RECORD(EXPR_BINARY_OPERATOR);
|
|
RECORD(EXPR_COMPOUND_ASSIGN_OPERATOR);
|
|
RECORD(EXPR_CONDITIONAL_OPERATOR);
|
|
RECORD(EXPR_IMPLICIT_CAST);
|
|
RECORD(EXPR_CSTYLE_CAST);
|
|
RECORD(EXPR_COMPOUND_LITERAL);
|
|
RECORD(EXPR_EXT_VECTOR_ELEMENT);
|
|
RECORD(EXPR_INIT_LIST);
|
|
RECORD(EXPR_DESIGNATED_INIT);
|
|
RECORD(EXPR_IMPLICIT_VALUE_INIT);
|
|
RECORD(EXPR_VA_ARG);
|
|
RECORD(EXPR_ADDR_LABEL);
|
|
RECORD(EXPR_STMT);
|
|
RECORD(EXPR_CHOOSE);
|
|
RECORD(EXPR_GNU_NULL);
|
|
RECORD(EXPR_SHUFFLE_VECTOR);
|
|
RECORD(EXPR_BLOCK);
|
|
RECORD(EXPR_GENERIC_SELECTION);
|
|
RECORD(EXPR_OBJC_STRING_LITERAL);
|
|
RECORD(EXPR_OBJC_BOXED_EXPRESSION);
|
|
RECORD(EXPR_OBJC_ARRAY_LITERAL);
|
|
RECORD(EXPR_OBJC_DICTIONARY_LITERAL);
|
|
RECORD(EXPR_OBJC_ENCODE);
|
|
RECORD(EXPR_OBJC_SELECTOR_EXPR);
|
|
RECORD(EXPR_OBJC_PROTOCOL_EXPR);
|
|
RECORD(EXPR_OBJC_IVAR_REF_EXPR);
|
|
RECORD(EXPR_OBJC_PROPERTY_REF_EXPR);
|
|
RECORD(EXPR_OBJC_KVC_REF_EXPR);
|
|
RECORD(EXPR_OBJC_MESSAGE_EXPR);
|
|
RECORD(STMT_OBJC_FOR_COLLECTION);
|
|
RECORD(STMT_OBJC_CATCH);
|
|
RECORD(STMT_OBJC_FINALLY);
|
|
RECORD(STMT_OBJC_AT_TRY);
|
|
RECORD(STMT_OBJC_AT_SYNCHRONIZED);
|
|
RECORD(STMT_OBJC_AT_THROW);
|
|
RECORD(EXPR_OBJC_BOOL_LITERAL);
|
|
RECORD(EXPR_CXX_OPERATOR_CALL);
|
|
RECORD(EXPR_CXX_CONSTRUCT);
|
|
RECORD(EXPR_CXX_STATIC_CAST);
|
|
RECORD(EXPR_CXX_DYNAMIC_CAST);
|
|
RECORD(EXPR_CXX_REINTERPRET_CAST);
|
|
RECORD(EXPR_CXX_CONST_CAST);
|
|
RECORD(EXPR_CXX_FUNCTIONAL_CAST);
|
|
RECORD(EXPR_USER_DEFINED_LITERAL);
|
|
RECORD(EXPR_CXX_BOOL_LITERAL);
|
|
RECORD(EXPR_CXX_NULL_PTR_LITERAL);
|
|
RECORD(EXPR_CXX_TYPEID_EXPR);
|
|
RECORD(EXPR_CXX_TYPEID_TYPE);
|
|
RECORD(EXPR_CXX_UUIDOF_EXPR);
|
|
RECORD(EXPR_CXX_UUIDOF_TYPE);
|
|
RECORD(EXPR_CXX_THIS);
|
|
RECORD(EXPR_CXX_THROW);
|
|
RECORD(EXPR_CXX_DEFAULT_ARG);
|
|
RECORD(EXPR_CXX_BIND_TEMPORARY);
|
|
RECORD(EXPR_CXX_SCALAR_VALUE_INIT);
|
|
RECORD(EXPR_CXX_NEW);
|
|
RECORD(EXPR_CXX_DELETE);
|
|
RECORD(EXPR_CXX_PSEUDO_DESTRUCTOR);
|
|
RECORD(EXPR_EXPR_WITH_CLEANUPS);
|
|
RECORD(EXPR_CXX_DEPENDENT_SCOPE_MEMBER);
|
|
RECORD(EXPR_CXX_DEPENDENT_SCOPE_DECL_REF);
|
|
RECORD(EXPR_CXX_UNRESOLVED_CONSTRUCT);
|
|
RECORD(EXPR_CXX_UNRESOLVED_MEMBER);
|
|
RECORD(EXPR_CXX_UNRESOLVED_LOOKUP);
|
|
RECORD(EXPR_CXX_UNARY_TYPE_TRAIT);
|
|
RECORD(EXPR_CXX_NOEXCEPT);
|
|
RECORD(EXPR_OPAQUE_VALUE);
|
|
RECORD(EXPR_BINARY_TYPE_TRAIT);
|
|
RECORD(EXPR_PACK_EXPANSION);
|
|
RECORD(EXPR_SIZEOF_PACK);
|
|
RECORD(EXPR_SUBST_NON_TYPE_TEMPLATE_PARM_PACK);
|
|
RECORD(EXPR_CUDA_KERNEL_CALL);
|
|
#undef RECORD
|
|
}
|
|
|
|
void ASTWriter::WriteBlockInfoBlock() {
|
|
RecordData Record;
|
|
Stream.EnterSubblock(llvm::bitc::BLOCKINFO_BLOCK_ID, 3);
|
|
|
|
#define BLOCK(X) EmitBlockID(X ## _ID, #X, Stream, Record)
|
|
#define RECORD(X) EmitRecordID(X, #X, Stream, Record)
|
|
|
|
// Control Block.
|
|
BLOCK(CONTROL_BLOCK);
|
|
RECORD(METADATA);
|
|
RECORD(IMPORTS);
|
|
RECORD(LANGUAGE_OPTIONS);
|
|
RECORD(TARGET_OPTIONS);
|
|
RECORD(ORIGINAL_FILE);
|
|
RECORD(ORIGINAL_PCH_DIR);
|
|
RECORD(ORIGINAL_FILE_ID);
|
|
RECORD(INPUT_FILE_OFFSETS);
|
|
RECORD(DIAGNOSTIC_OPTIONS);
|
|
RECORD(FILE_SYSTEM_OPTIONS);
|
|
RECORD(HEADER_SEARCH_OPTIONS);
|
|
RECORD(PREPROCESSOR_OPTIONS);
|
|
|
|
BLOCK(INPUT_FILES_BLOCK);
|
|
RECORD(INPUT_FILE);
|
|
|
|
// AST Top-Level Block.
|
|
BLOCK(AST_BLOCK);
|
|
RECORD(TYPE_OFFSET);
|
|
RECORD(DECL_OFFSET);
|
|
RECORD(IDENTIFIER_OFFSET);
|
|
RECORD(IDENTIFIER_TABLE);
|
|
RECORD(EXTERNAL_DEFINITIONS);
|
|
RECORD(SPECIAL_TYPES);
|
|
RECORD(STATISTICS);
|
|
RECORD(TENTATIVE_DEFINITIONS);
|
|
RECORD(UNUSED_FILESCOPED_DECLS);
|
|
RECORD(LOCALLY_SCOPED_EXTERN_C_DECLS);
|
|
RECORD(SELECTOR_OFFSETS);
|
|
RECORD(METHOD_POOL);
|
|
RECORD(PP_COUNTER_VALUE);
|
|
RECORD(SOURCE_LOCATION_OFFSETS);
|
|
RECORD(SOURCE_LOCATION_PRELOADS);
|
|
RECORD(EXT_VECTOR_DECLS);
|
|
RECORD(PPD_ENTITIES_OFFSETS);
|
|
RECORD(REFERENCED_SELECTOR_POOL);
|
|
RECORD(TU_UPDATE_LEXICAL);
|
|
RECORD(LOCAL_REDECLARATIONS_MAP);
|
|
RECORD(SEMA_DECL_REFS);
|
|
RECORD(WEAK_UNDECLARED_IDENTIFIERS);
|
|
RECORD(PENDING_IMPLICIT_INSTANTIATIONS);
|
|
RECORD(DECL_REPLACEMENTS);
|
|
RECORD(UPDATE_VISIBLE);
|
|
RECORD(DECL_UPDATE_OFFSETS);
|
|
RECORD(DECL_UPDATES);
|
|
RECORD(CXX_BASE_SPECIFIER_OFFSETS);
|
|
RECORD(DIAG_PRAGMA_MAPPINGS);
|
|
RECORD(CUDA_SPECIAL_DECL_REFS);
|
|
RECORD(HEADER_SEARCH_TABLE);
|
|
RECORD(FP_PRAGMA_OPTIONS);
|
|
RECORD(OPENCL_EXTENSIONS);
|
|
RECORD(DELEGATING_CTORS);
|
|
RECORD(KNOWN_NAMESPACES);
|
|
RECORD(MODULE_OFFSET_MAP);
|
|
RECORD(SOURCE_MANAGER_LINE_TABLE);
|
|
RECORD(OBJC_CATEGORIES_MAP);
|
|
RECORD(FILE_SORTED_DECLS);
|
|
RECORD(IMPORTED_MODULES);
|
|
RECORD(MERGED_DECLARATIONS);
|
|
RECORD(LOCAL_REDECLARATIONS);
|
|
RECORD(OBJC_CATEGORIES);
|
|
RECORD(MACRO_OFFSET);
|
|
RECORD(MACRO_UPDATES);
|
|
|
|
// SourceManager Block.
|
|
BLOCK(SOURCE_MANAGER_BLOCK);
|
|
RECORD(SM_SLOC_FILE_ENTRY);
|
|
RECORD(SM_SLOC_BUFFER_ENTRY);
|
|
RECORD(SM_SLOC_BUFFER_BLOB);
|
|
RECORD(SM_SLOC_EXPANSION_ENTRY);
|
|
|
|
// Preprocessor Block.
|
|
BLOCK(PREPROCESSOR_BLOCK);
|
|
RECORD(PP_MACRO_OBJECT_LIKE);
|
|
RECORD(PP_MACRO_FUNCTION_LIKE);
|
|
RECORD(PP_TOKEN);
|
|
|
|
// Decls and Types block.
|
|
BLOCK(DECLTYPES_BLOCK);
|
|
RECORD(TYPE_EXT_QUAL);
|
|
RECORD(TYPE_COMPLEX);
|
|
RECORD(TYPE_POINTER);
|
|
RECORD(TYPE_BLOCK_POINTER);
|
|
RECORD(TYPE_LVALUE_REFERENCE);
|
|
RECORD(TYPE_RVALUE_REFERENCE);
|
|
RECORD(TYPE_MEMBER_POINTER);
|
|
RECORD(TYPE_CONSTANT_ARRAY);
|
|
RECORD(TYPE_INCOMPLETE_ARRAY);
|
|
RECORD(TYPE_VARIABLE_ARRAY);
|
|
RECORD(TYPE_VECTOR);
|
|
RECORD(TYPE_EXT_VECTOR);
|
|
RECORD(TYPE_FUNCTION_PROTO);
|
|
RECORD(TYPE_FUNCTION_NO_PROTO);
|
|
RECORD(TYPE_TYPEDEF);
|
|
RECORD(TYPE_TYPEOF_EXPR);
|
|
RECORD(TYPE_TYPEOF);
|
|
RECORD(TYPE_RECORD);
|
|
RECORD(TYPE_ENUM);
|
|
RECORD(TYPE_OBJC_INTERFACE);
|
|
RECORD(TYPE_OBJC_OBJECT);
|
|
RECORD(TYPE_OBJC_OBJECT_POINTER);
|
|
RECORD(TYPE_DECLTYPE);
|
|
RECORD(TYPE_ELABORATED);
|
|
RECORD(TYPE_SUBST_TEMPLATE_TYPE_PARM);
|
|
RECORD(TYPE_UNRESOLVED_USING);
|
|
RECORD(TYPE_INJECTED_CLASS_NAME);
|
|
RECORD(TYPE_OBJC_OBJECT);
|
|
RECORD(TYPE_TEMPLATE_TYPE_PARM);
|
|
RECORD(TYPE_TEMPLATE_SPECIALIZATION);
|
|
RECORD(TYPE_DEPENDENT_NAME);
|
|
RECORD(TYPE_DEPENDENT_TEMPLATE_SPECIALIZATION);
|
|
RECORD(TYPE_DEPENDENT_SIZED_ARRAY);
|
|
RECORD(TYPE_PAREN);
|
|
RECORD(TYPE_PACK_EXPANSION);
|
|
RECORD(TYPE_ATTRIBUTED);
|
|
RECORD(TYPE_SUBST_TEMPLATE_TYPE_PARM_PACK);
|
|
RECORD(TYPE_ATOMIC);
|
|
RECORD(DECL_TYPEDEF);
|
|
RECORD(DECL_ENUM);
|
|
RECORD(DECL_RECORD);
|
|
RECORD(DECL_ENUM_CONSTANT);
|
|
RECORD(DECL_FUNCTION);
|
|
RECORD(DECL_OBJC_METHOD);
|
|
RECORD(DECL_OBJC_INTERFACE);
|
|
RECORD(DECL_OBJC_PROTOCOL);
|
|
RECORD(DECL_OBJC_IVAR);
|
|
RECORD(DECL_OBJC_AT_DEFS_FIELD);
|
|
RECORD(DECL_OBJC_CATEGORY);
|
|
RECORD(DECL_OBJC_CATEGORY_IMPL);
|
|
RECORD(DECL_OBJC_IMPLEMENTATION);
|
|
RECORD(DECL_OBJC_COMPATIBLE_ALIAS);
|
|
RECORD(DECL_OBJC_PROPERTY);
|
|
RECORD(DECL_OBJC_PROPERTY_IMPL);
|
|
RECORD(DECL_FIELD);
|
|
RECORD(DECL_VAR);
|
|
RECORD(DECL_IMPLICIT_PARAM);
|
|
RECORD(DECL_PARM_VAR);
|
|
RECORD(DECL_FILE_SCOPE_ASM);
|
|
RECORD(DECL_BLOCK);
|
|
RECORD(DECL_CONTEXT_LEXICAL);
|
|
RECORD(DECL_CONTEXT_VISIBLE);
|
|
RECORD(DECL_NAMESPACE);
|
|
RECORD(DECL_NAMESPACE_ALIAS);
|
|
RECORD(DECL_USING);
|
|
RECORD(DECL_USING_SHADOW);
|
|
RECORD(DECL_USING_DIRECTIVE);
|
|
RECORD(DECL_UNRESOLVED_USING_VALUE);
|
|
RECORD(DECL_UNRESOLVED_USING_TYPENAME);
|
|
RECORD(DECL_LINKAGE_SPEC);
|
|
RECORD(DECL_CXX_RECORD);
|
|
RECORD(DECL_CXX_METHOD);
|
|
RECORD(DECL_CXX_CONSTRUCTOR);
|
|
RECORD(DECL_CXX_DESTRUCTOR);
|
|
RECORD(DECL_CXX_CONVERSION);
|
|
RECORD(DECL_ACCESS_SPEC);
|
|
RECORD(DECL_FRIEND);
|
|
RECORD(DECL_FRIEND_TEMPLATE);
|
|
RECORD(DECL_CLASS_TEMPLATE);
|
|
RECORD(DECL_CLASS_TEMPLATE_SPECIALIZATION);
|
|
RECORD(DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION);
|
|
RECORD(DECL_FUNCTION_TEMPLATE);
|
|
RECORD(DECL_TEMPLATE_TYPE_PARM);
|
|
RECORD(DECL_NON_TYPE_TEMPLATE_PARM);
|
|
RECORD(DECL_TEMPLATE_TEMPLATE_PARM);
|
|
RECORD(DECL_STATIC_ASSERT);
|
|
RECORD(DECL_CXX_BASE_SPECIFIERS);
|
|
RECORD(DECL_INDIRECTFIELD);
|
|
RECORD(DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK);
|
|
|
|
// Statements and Exprs can occur in the Decls and Types block.
|
|
AddStmtsExprs(Stream, Record);
|
|
|
|
BLOCK(PREPROCESSOR_DETAIL_BLOCK);
|
|
RECORD(PPD_MACRO_EXPANSION);
|
|
RECORD(PPD_MACRO_DEFINITION);
|
|
RECORD(PPD_INCLUSION_DIRECTIVE);
|
|
|
|
#undef RECORD
|
|
#undef BLOCK
|
|
Stream.ExitBlock();
|
|
}
|
|
|
|
/// \brief Adjusts the given filename to only write out the portion of the
|
|
/// filename that is not part of the system root directory.
|
|
///
|
|
/// \param Filename the file name to adjust.
|
|
///
|
|
/// \param isysroot When non-NULL, the PCH file is a relocatable PCH file and
|
|
/// the returned filename will be adjusted by this system root.
|
|
///
|
|
/// \returns either the original filename (if it needs no adjustment) or the
|
|
/// adjusted filename (which points into the @p Filename parameter).
|
|
static const char *
|
|
adjustFilenameForRelocatablePCH(const char *Filename, StringRef isysroot) {
|
|
assert(Filename && "No file name to adjust?");
|
|
|
|
if (isysroot.empty())
|
|
return Filename;
|
|
|
|
// Verify that the filename and the system root have the same prefix.
|
|
unsigned Pos = 0;
|
|
for (; Filename[Pos] && Pos < isysroot.size(); ++Pos)
|
|
if (Filename[Pos] != isysroot[Pos])
|
|
return Filename; // Prefixes don't match.
|
|
|
|
// We hit the end of the filename before we hit the end of the system root.
|
|
if (!Filename[Pos])
|
|
return Filename;
|
|
|
|
// If the file name has a '/' at the current position, skip over the '/'.
|
|
// We distinguish sysroot-based includes from absolute includes by the
|
|
// absence of '/' at the beginning of sysroot-based includes.
|
|
if (Filename[Pos] == '/')
|
|
++Pos;
|
|
|
|
return Filename + Pos;
|
|
}
|
|
|
|
/// \brief Write the control block.
|
|
void ASTWriter::WriteControlBlock(Preprocessor &PP, ASTContext &Context,
|
|
StringRef isysroot,
|
|
const std::string &OutputFile) {
|
|
using namespace llvm;
|
|
Stream.EnterSubblock(CONTROL_BLOCK_ID, 5);
|
|
RecordData Record;
|
|
|
|
// Metadata
|
|
BitCodeAbbrev *MetadataAbbrev = new BitCodeAbbrev();
|
|
MetadataAbbrev->Add(BitCodeAbbrevOp(METADATA));
|
|
MetadataAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); // Major
|
|
MetadataAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); // Minor
|
|
MetadataAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); // Clang maj.
|
|
MetadataAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); // Clang min.
|
|
MetadataAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Relocatable
|
|
MetadataAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Errors
|
|
MetadataAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // SVN branch/tag
|
|
unsigned MetadataAbbrevCode = Stream.EmitAbbrev(MetadataAbbrev);
|
|
Record.push_back(METADATA);
|
|
Record.push_back(VERSION_MAJOR);
|
|
Record.push_back(VERSION_MINOR);
|
|
Record.push_back(CLANG_VERSION_MAJOR);
|
|
Record.push_back(CLANG_VERSION_MINOR);
|
|
Record.push_back(!isysroot.empty());
|
|
Record.push_back(ASTHasCompilerErrors);
|
|
Stream.EmitRecordWithBlob(MetadataAbbrevCode, Record,
|
|
getClangFullRepositoryVersion());
|
|
|
|
// Imports
|
|
if (Chain) {
|
|
serialization::ModuleManager &Mgr = Chain->getModuleManager();
|
|
SmallVector<char, 128> ModulePaths;
|
|
Record.clear();
|
|
|
|
for (ModuleManager::ModuleIterator M = Mgr.begin(), MEnd = Mgr.end();
|
|
M != MEnd; ++M) {
|
|
// Skip modules that weren't directly imported.
|
|
if (!(*M)->isDirectlyImported())
|
|
continue;
|
|
|
|
Record.push_back((unsigned)(*M)->Kind); // FIXME: Stable encoding
|
|
AddSourceLocation((*M)->ImportLoc, Record);
|
|
// FIXME: This writes the absolute path for AST files we depend on.
|
|
const std::string &FileName = (*M)->FileName;
|
|
Record.push_back(FileName.size());
|
|
Record.append(FileName.begin(), FileName.end());
|
|
}
|
|
Stream.EmitRecord(IMPORTS, Record);
|
|
}
|
|
|
|
// Language options.
|
|
Record.clear();
|
|
const LangOptions &LangOpts = Context.getLangOpts();
|
|
#define LANGOPT(Name, Bits, Default, Description) \
|
|
Record.push_back(LangOpts.Name);
|
|
#define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
|
|
Record.push_back(static_cast<unsigned>(LangOpts.get##Name()));
|
|
#include "clang/Basic/LangOptions.def"
|
|
|
|
Record.push_back((unsigned) LangOpts.ObjCRuntime.getKind());
|
|
AddVersionTuple(LangOpts.ObjCRuntime.getVersion(), Record);
|
|
|
|
Record.push_back(LangOpts.CurrentModule.size());
|
|
Record.append(LangOpts.CurrentModule.begin(), LangOpts.CurrentModule.end());
|
|
Stream.EmitRecord(LANGUAGE_OPTIONS, Record);
|
|
|
|
// Target options.
|
|
Record.clear();
|
|
const TargetInfo &Target = Context.getTargetInfo();
|
|
const TargetOptions &TargetOpts = Target.getTargetOpts();
|
|
AddString(TargetOpts.Triple, Record);
|
|
AddString(TargetOpts.CPU, Record);
|
|
AddString(TargetOpts.ABI, Record);
|
|
AddString(TargetOpts.CXXABI, Record);
|
|
AddString(TargetOpts.LinkerVersion, Record);
|
|
Record.push_back(TargetOpts.FeaturesAsWritten.size());
|
|
for (unsigned I = 0, N = TargetOpts.FeaturesAsWritten.size(); I != N; ++I) {
|
|
AddString(TargetOpts.FeaturesAsWritten[I], Record);
|
|
}
|
|
Record.push_back(TargetOpts.Features.size());
|
|
for (unsigned I = 0, N = TargetOpts.Features.size(); I != N; ++I) {
|
|
AddString(TargetOpts.Features[I], Record);
|
|
}
|
|
Stream.EmitRecord(TARGET_OPTIONS, Record);
|
|
|
|
// Diagnostic options.
|
|
Record.clear();
|
|
const DiagnosticOptions &DiagOpts
|
|
= Context.getDiagnostics().getDiagnosticOptions();
|
|
#define DIAGOPT(Name, Bits, Default) Record.push_back(DiagOpts.Name);
|
|
#define ENUM_DIAGOPT(Name, Type, Bits, Default) \
|
|
Record.push_back(static_cast<unsigned>(DiagOpts.get##Name()));
|
|
#include "clang/Basic/DiagnosticOptions.def"
|
|
Record.push_back(DiagOpts.Warnings.size());
|
|
for (unsigned I = 0, N = DiagOpts.Warnings.size(); I != N; ++I)
|
|
AddString(DiagOpts.Warnings[I], Record);
|
|
// Note: we don't serialize the log or serialization file names, because they
|
|
// are generally transient files and will almost always be overridden.
|
|
Stream.EmitRecord(DIAGNOSTIC_OPTIONS, Record);
|
|
|
|
// File system options.
|
|
Record.clear();
|
|
const FileSystemOptions &FSOpts
|
|
= Context.getSourceManager().getFileManager().getFileSystemOptions();
|
|
AddString(FSOpts.WorkingDir, Record);
|
|
Stream.EmitRecord(FILE_SYSTEM_OPTIONS, Record);
|
|
|
|
// Header search options.
|
|
Record.clear();
|
|
const HeaderSearchOptions &HSOpts
|
|
= PP.getHeaderSearchInfo().getHeaderSearchOpts();
|
|
AddString(HSOpts.Sysroot, Record);
|
|
|
|
// Include entries.
|
|
Record.push_back(HSOpts.UserEntries.size());
|
|
for (unsigned I = 0, N = HSOpts.UserEntries.size(); I != N; ++I) {
|
|
const HeaderSearchOptions::Entry &Entry = HSOpts.UserEntries[I];
|
|
AddString(Entry.Path, Record);
|
|
Record.push_back(static_cast<unsigned>(Entry.Group));
|
|
Record.push_back(Entry.IsUserSupplied);
|
|
Record.push_back(Entry.IsFramework);
|
|
Record.push_back(Entry.IgnoreSysRoot);
|
|
Record.push_back(Entry.IsInternal);
|
|
Record.push_back(Entry.ImplicitExternC);
|
|
}
|
|
|
|
// System header prefixes.
|
|
Record.push_back(HSOpts.SystemHeaderPrefixes.size());
|
|
for (unsigned I = 0, N = HSOpts.SystemHeaderPrefixes.size(); I != N; ++I) {
|
|
AddString(HSOpts.SystemHeaderPrefixes[I].Prefix, Record);
|
|
Record.push_back(HSOpts.SystemHeaderPrefixes[I].IsSystemHeader);
|
|
}
|
|
|
|
AddString(HSOpts.ResourceDir, Record);
|
|
AddString(HSOpts.ModuleCachePath, Record);
|
|
Record.push_back(HSOpts.DisableModuleHash);
|
|
Record.push_back(HSOpts.UseBuiltinIncludes);
|
|
Record.push_back(HSOpts.UseStandardSystemIncludes);
|
|
Record.push_back(HSOpts.UseStandardCXXIncludes);
|
|
Record.push_back(HSOpts.UseLibcxx);
|
|
Stream.EmitRecord(HEADER_SEARCH_OPTIONS, Record);
|
|
|
|
// Preprocessor options.
|
|
Record.clear();
|
|
const PreprocessorOptions &PPOpts = PP.getPreprocessorOpts();
|
|
|
|
// Macro definitions.
|
|
Record.push_back(PPOpts.Macros.size());
|
|
for (unsigned I = 0, N = PPOpts.Macros.size(); I != N; ++I) {
|
|
AddString(PPOpts.Macros[I].first, Record);
|
|
Record.push_back(PPOpts.Macros[I].second);
|
|
}
|
|
|
|
// Includes
|
|
Record.push_back(PPOpts.Includes.size());
|
|
for (unsigned I = 0, N = PPOpts.Includes.size(); I != N; ++I)
|
|
AddString(PPOpts.Includes[I], Record);
|
|
|
|
// Macro includes
|
|
Record.push_back(PPOpts.MacroIncludes.size());
|
|
for (unsigned I = 0, N = PPOpts.MacroIncludes.size(); I != N; ++I)
|
|
AddString(PPOpts.MacroIncludes[I], Record);
|
|
|
|
Record.push_back(PPOpts.UsePredefines);
|
|
AddString(PPOpts.ImplicitPCHInclude, Record);
|
|
AddString(PPOpts.ImplicitPTHInclude, Record);
|
|
Record.push_back(static_cast<unsigned>(PPOpts.ObjCXXARCStandardLibrary));
|
|
Stream.EmitRecord(PREPROCESSOR_OPTIONS, Record);
|
|
|
|
// Original file name and file ID
|
|
SourceManager &SM = Context.getSourceManager();
|
|
if (const FileEntry *MainFile = SM.getFileEntryForID(SM.getMainFileID())) {
|
|
BitCodeAbbrev *FileAbbrev = new BitCodeAbbrev();
|
|
FileAbbrev->Add(BitCodeAbbrevOp(ORIGINAL_FILE));
|
|
FileAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // File ID
|
|
FileAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // File name
|
|
unsigned FileAbbrevCode = Stream.EmitAbbrev(FileAbbrev);
|
|
|
|
SmallString<128> MainFilePath(MainFile->getName());
|
|
|
|
llvm::sys::fs::make_absolute(MainFilePath);
|
|
|
|
const char *MainFileNameStr = MainFilePath.c_str();
|
|
MainFileNameStr = adjustFilenameForRelocatablePCH(MainFileNameStr,
|
|
isysroot);
|
|
Record.clear();
|
|
Record.push_back(ORIGINAL_FILE);
|
|
Record.push_back(SM.getMainFileID().getOpaqueValue());
|
|
Stream.EmitRecordWithBlob(FileAbbrevCode, Record, MainFileNameStr);
|
|
}
|
|
|
|
Record.clear();
|
|
Record.push_back(SM.getMainFileID().getOpaqueValue());
|
|
Stream.EmitRecord(ORIGINAL_FILE_ID, Record);
|
|
|
|
// Original PCH directory
|
|
if (!OutputFile.empty() && OutputFile != "-") {
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(ORIGINAL_PCH_DIR));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // File name
|
|
unsigned AbbrevCode = Stream.EmitAbbrev(Abbrev);
|
|
|
|
SmallString<128> OutputPath(OutputFile);
|
|
|
|
llvm::sys::fs::make_absolute(OutputPath);
|
|
StringRef origDir = llvm::sys::path::parent_path(OutputPath);
|
|
|
|
RecordData Record;
|
|
Record.push_back(ORIGINAL_PCH_DIR);
|
|
Stream.EmitRecordWithBlob(AbbrevCode, Record, origDir);
|
|
}
|
|
|
|
WriteInputFiles(Context.SourceMgr, isysroot);
|
|
Stream.ExitBlock();
|
|
}
|
|
|
|
void ASTWriter::WriteInputFiles(SourceManager &SourceMgr, StringRef isysroot) {
|
|
using namespace llvm;
|
|
Stream.EnterSubblock(INPUT_FILES_BLOCK_ID, 4);
|
|
RecordData Record;
|
|
|
|
// Create input-file abbreviation.
|
|
BitCodeAbbrev *IFAbbrev = new BitCodeAbbrev();
|
|
IFAbbrev->Add(BitCodeAbbrevOp(INPUT_FILE));
|
|
IFAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ID
|
|
IFAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 12)); // Size
|
|
IFAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 32)); // Modification time
|
|
IFAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Overridden
|
|
IFAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // File name
|
|
unsigned IFAbbrevCode = Stream.EmitAbbrev(IFAbbrev);
|
|
|
|
// Write out all of the input files.
|
|
std::vector<uint32_t> InputFileOffsets;
|
|
for (unsigned I = 1, N = SourceMgr.local_sloc_entry_size(); I != N; ++I) {
|
|
// Get this source location entry.
|
|
const SrcMgr::SLocEntry *SLoc = &SourceMgr.getLocalSLocEntry(I);
|
|
assert(&SourceMgr.getSLocEntry(FileID::get(I)) == SLoc);
|
|
|
|
// We only care about file entries that were not overridden.
|
|
if (!SLoc->isFile())
|
|
continue;
|
|
const SrcMgr::ContentCache *Cache = SLoc->getFile().getContentCache();
|
|
if (!Cache->OrigEntry)
|
|
continue;
|
|
|
|
uint32_t &InputFileID = InputFileIDs[Cache->OrigEntry];
|
|
if (InputFileID != 0)
|
|
continue; // already recorded this file.
|
|
|
|
// Record this entry's offset.
|
|
InputFileOffsets.push_back(Stream.GetCurrentBitNo());
|
|
|
|
InputFileID = InputFileOffsets.size();
|
|
|
|
Record.clear();
|
|
Record.push_back(INPUT_FILE);
|
|
Record.push_back(InputFileOffsets.size());
|
|
|
|
// Emit size/modification time for this file.
|
|
Record.push_back(Cache->OrigEntry->getSize());
|
|
Record.push_back(Cache->OrigEntry->getModificationTime());
|
|
|
|
// Whether this file was overridden.
|
|
Record.push_back(Cache->BufferOverridden);
|
|
|
|
// Turn the file name into an absolute path, if it isn't already.
|
|
const char *Filename = Cache->OrigEntry->getName();
|
|
SmallString<128> FilePath(Filename);
|
|
|
|
// Ask the file manager to fixup the relative path for us. This will
|
|
// honor the working directory.
|
|
SourceMgr.getFileManager().FixupRelativePath(FilePath);
|
|
|
|
// FIXME: This call to make_absolute shouldn't be necessary, the
|
|
// call to FixupRelativePath should always return an absolute path.
|
|
llvm::sys::fs::make_absolute(FilePath);
|
|
Filename = FilePath.c_str();
|
|
|
|
Filename = adjustFilenameForRelocatablePCH(Filename, isysroot);
|
|
|
|
Stream.EmitRecordWithBlob(IFAbbrevCode, Record, Filename);
|
|
}
|
|
|
|
Stream.ExitBlock();
|
|
|
|
// Create input file offsets abbreviation.
|
|
BitCodeAbbrev *OffsetsAbbrev = new BitCodeAbbrev();
|
|
OffsetsAbbrev->Add(BitCodeAbbrevOp(INPUT_FILE_OFFSETS));
|
|
OffsetsAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // # input files
|
|
OffsetsAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Array
|
|
unsigned OffsetsAbbrevCode = Stream.EmitAbbrev(OffsetsAbbrev);
|
|
|
|
// Write input file offsets.
|
|
Record.clear();
|
|
Record.push_back(INPUT_FILE_OFFSETS);
|
|
Record.push_back(InputFileOffsets.size());
|
|
Stream.EmitRecordWithBlob(OffsetsAbbrevCode, Record, data(InputFileOffsets));
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// stat cache Serialization
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
namespace {
|
|
// Trait used for the on-disk hash table of stat cache results.
|
|
class ASTStatCacheTrait {
|
|
public:
|
|
typedef const char * key_type;
|
|
typedef key_type key_type_ref;
|
|
|
|
typedef struct stat data_type;
|
|
typedef const data_type &data_type_ref;
|
|
|
|
static unsigned ComputeHash(const char *path) {
|
|
return llvm::HashString(path);
|
|
}
|
|
|
|
std::pair<unsigned,unsigned>
|
|
EmitKeyDataLength(raw_ostream& Out, const char *path,
|
|
data_type_ref Data) {
|
|
unsigned StrLen = strlen(path);
|
|
clang::io::Emit16(Out, StrLen);
|
|
unsigned DataLen = 4 + 4 + 2 + 8 + 8;
|
|
clang::io::Emit8(Out, DataLen);
|
|
return std::make_pair(StrLen + 1, DataLen);
|
|
}
|
|
|
|
void EmitKey(raw_ostream& Out, const char *path, unsigned KeyLen) {
|
|
Out.write(path, KeyLen);
|
|
}
|
|
|
|
void EmitData(raw_ostream &Out, key_type_ref,
|
|
data_type_ref Data, unsigned DataLen) {
|
|
using namespace clang::io;
|
|
uint64_t Start = Out.tell(); (void)Start;
|
|
|
|
Emit32(Out, (uint32_t) Data.st_ino);
|
|
Emit32(Out, (uint32_t) Data.st_dev);
|
|
Emit16(Out, (uint16_t) Data.st_mode);
|
|
Emit64(Out, (uint64_t) Data.st_mtime);
|
|
Emit64(Out, (uint64_t) Data.st_size);
|
|
|
|
assert(Out.tell() - Start == DataLen && "Wrong data length");
|
|
}
|
|
};
|
|
} // end anonymous namespace
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Source Manager Serialization
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
/// \brief Create an abbreviation for the SLocEntry that refers to a
|
|
/// file.
|
|
static unsigned CreateSLocFileAbbrev(llvm::BitstreamWriter &Stream) {
|
|
using namespace llvm;
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(SM_SLOC_FILE_ENTRY));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // Offset
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // Include location
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // Characteristic
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Line directives
|
|
// FileEntry fields.
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Input File ID
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // NumCreatedFIDs
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 24)); // FirstDeclIndex
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // NumDecls
|
|
return Stream.EmitAbbrev(Abbrev);
|
|
}
|
|
|
|
/// \brief Create an abbreviation for the SLocEntry that refers to a
|
|
/// buffer.
|
|
static unsigned CreateSLocBufferAbbrev(llvm::BitstreamWriter &Stream) {
|
|
using namespace llvm;
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(SM_SLOC_BUFFER_ENTRY));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // Offset
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // Include location
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // Characteristic
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // Line directives
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Buffer name blob
|
|
return Stream.EmitAbbrev(Abbrev);
|
|
}
|
|
|
|
/// \brief Create an abbreviation for the SLocEntry that refers to a
|
|
/// buffer's blob.
|
|
static unsigned CreateSLocBufferBlobAbbrev(llvm::BitstreamWriter &Stream) {
|
|
using namespace llvm;
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(SM_SLOC_BUFFER_BLOB));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Blob
|
|
return Stream.EmitAbbrev(Abbrev);
|
|
}
|
|
|
|
/// \brief Create an abbreviation for the SLocEntry that refers to a macro
|
|
/// expansion.
|
|
static unsigned CreateSLocExpansionAbbrev(llvm::BitstreamWriter &Stream) {
|
|
using namespace llvm;
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(SM_SLOC_EXPANSION_ENTRY));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // Offset
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // Spelling location
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // Start location
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); // End location
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Token length
|
|
return Stream.EmitAbbrev(Abbrev);
|
|
}
|
|
|
|
namespace {
|
|
// Trait used for the on-disk hash table of header search information.
|
|
class HeaderFileInfoTrait {
|
|
ASTWriter &Writer;
|
|
|
|
// Keep track of the framework names we've used during serialization.
|
|
SmallVector<char, 128> FrameworkStringData;
|
|
llvm::StringMap<unsigned> FrameworkNameOffset;
|
|
|
|
public:
|
|
HeaderFileInfoTrait(ASTWriter &Writer)
|
|
: Writer(Writer) { }
|
|
|
|
typedef const char *key_type;
|
|
typedef key_type key_type_ref;
|
|
|
|
typedef HeaderFileInfo data_type;
|
|
typedef const data_type &data_type_ref;
|
|
|
|
static unsigned ComputeHash(const char *path) {
|
|
// The hash is based only on the filename portion of the key, so that the
|
|
// reader can match based on filenames when symlinking or excess path
|
|
// elements ("foo/../", "../") change the form of the name. However,
|
|
// complete path is still the key.
|
|
return llvm::HashString(llvm::sys::path::filename(path));
|
|
}
|
|
|
|
std::pair<unsigned,unsigned>
|
|
EmitKeyDataLength(raw_ostream& Out, const char *path,
|
|
data_type_ref Data) {
|
|
unsigned StrLen = strlen(path);
|
|
clang::io::Emit16(Out, StrLen);
|
|
unsigned DataLen = 1 + 2 + 4 + 4;
|
|
clang::io::Emit8(Out, DataLen);
|
|
return std::make_pair(StrLen + 1, DataLen);
|
|
}
|
|
|
|
void EmitKey(raw_ostream& Out, const char *path, unsigned KeyLen) {
|
|
Out.write(path, KeyLen);
|
|
}
|
|
|
|
void EmitData(raw_ostream &Out, key_type_ref,
|
|
data_type_ref Data, unsigned DataLen) {
|
|
using namespace clang::io;
|
|
uint64_t Start = Out.tell(); (void)Start;
|
|
|
|
unsigned char Flags = (Data.isImport << 5)
|
|
| (Data.isPragmaOnce << 4)
|
|
| (Data.DirInfo << 2)
|
|
| (Data.Resolved << 1)
|
|
| Data.IndexHeaderMapHeader;
|
|
Emit8(Out, (uint8_t)Flags);
|
|
Emit16(Out, (uint16_t) Data.NumIncludes);
|
|
|
|
if (!Data.ControllingMacro)
|
|
Emit32(Out, (uint32_t)Data.ControllingMacroID);
|
|
else
|
|
Emit32(Out, (uint32_t)Writer.getIdentifierRef(Data.ControllingMacro));
|
|
|
|
unsigned Offset = 0;
|
|
if (!Data.Framework.empty()) {
|
|
// If this header refers into a framework, save the framework name.
|
|
llvm::StringMap<unsigned>::iterator Pos
|
|
= FrameworkNameOffset.find(Data.Framework);
|
|
if (Pos == FrameworkNameOffset.end()) {
|
|
Offset = FrameworkStringData.size() + 1;
|
|
FrameworkStringData.append(Data.Framework.begin(),
|
|
Data.Framework.end());
|
|
FrameworkStringData.push_back(0);
|
|
|
|
FrameworkNameOffset[Data.Framework] = Offset;
|
|
} else
|
|
Offset = Pos->second;
|
|
}
|
|
Emit32(Out, Offset);
|
|
|
|
assert(Out.tell() - Start == DataLen && "Wrong data length");
|
|
}
|
|
|
|
const char *strings_begin() const { return FrameworkStringData.begin(); }
|
|
const char *strings_end() const { return FrameworkStringData.end(); }
|
|
};
|
|
} // end anonymous namespace
|
|
|
|
/// \brief Write the header search block for the list of files that
|
|
///
|
|
/// \param HS The header search structure to save.
|
|
void ASTWriter::WriteHeaderSearch(const HeaderSearch &HS, StringRef isysroot) {
|
|
SmallVector<const FileEntry *, 16> FilesByUID;
|
|
HS.getFileMgr().GetUniqueIDMapping(FilesByUID);
|
|
|
|
if (FilesByUID.size() > HS.header_file_size())
|
|
FilesByUID.resize(HS.header_file_size());
|
|
|
|
HeaderFileInfoTrait GeneratorTrait(*this);
|
|
OnDiskChainedHashTableGenerator<HeaderFileInfoTrait> Generator;
|
|
SmallVector<const char *, 4> SavedStrings;
|
|
unsigned NumHeaderSearchEntries = 0;
|
|
for (unsigned UID = 0, LastUID = FilesByUID.size(); UID != LastUID; ++UID) {
|
|
const FileEntry *File = FilesByUID[UID];
|
|
if (!File)
|
|
continue;
|
|
|
|
// Use HeaderSearch's getFileInfo to make sure we get the HeaderFileInfo
|
|
// from the external source if it was not provided already.
|
|
const HeaderFileInfo &HFI = HS.getFileInfo(File);
|
|
if (HFI.External && Chain)
|
|
continue;
|
|
|
|
// Turn the file name into an absolute path, if it isn't already.
|
|
const char *Filename = File->getName();
|
|
Filename = adjustFilenameForRelocatablePCH(Filename, isysroot);
|
|
|
|
// If we performed any translation on the file name at all, we need to
|
|
// save this string, since the generator will refer to it later.
|
|
if (Filename != File->getName()) {
|
|
Filename = strdup(Filename);
|
|
SavedStrings.push_back(Filename);
|
|
}
|
|
|
|
Generator.insert(Filename, HFI, GeneratorTrait);
|
|
++NumHeaderSearchEntries;
|
|
}
|
|
|
|
// Create the on-disk hash table in a buffer.
|
|
SmallString<4096> TableData;
|
|
uint32_t BucketOffset;
|
|
{
|
|
llvm::raw_svector_ostream Out(TableData);
|
|
// Make sure that no bucket is at offset 0
|
|
clang::io::Emit32(Out, 0);
|
|
BucketOffset = Generator.Emit(Out, GeneratorTrait);
|
|
}
|
|
|
|
// Create a blob abbreviation
|
|
using namespace llvm;
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(HEADER_SEARCH_TABLE));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
|
|
unsigned TableAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
|
|
// Write the header search table
|
|
RecordData Record;
|
|
Record.push_back(HEADER_SEARCH_TABLE);
|
|
Record.push_back(BucketOffset);
|
|
Record.push_back(NumHeaderSearchEntries);
|
|
Record.push_back(TableData.size());
|
|
TableData.append(GeneratorTrait.strings_begin(),GeneratorTrait.strings_end());
|
|
Stream.EmitRecordWithBlob(TableAbbrev, Record, TableData.str());
|
|
|
|
// Free all of the strings we had to duplicate.
|
|
for (unsigned I = 0, N = SavedStrings.size(); I != N; ++I)
|
|
free((void*)SavedStrings[I]);
|
|
}
|
|
|
|
/// \brief Writes the block containing the serialized form of the
|
|
/// source manager.
|
|
///
|
|
/// TODO: We should probably use an on-disk hash table (stored in a
|
|
/// blob), indexed based on the file name, so that we only create
|
|
/// entries for files that we actually need. In the common case (no
|
|
/// errors), we probably won't have to create file entries for any of
|
|
/// the files in the AST.
|
|
void ASTWriter::WriteSourceManagerBlock(SourceManager &SourceMgr,
|
|
const Preprocessor &PP,
|
|
StringRef isysroot) {
|
|
RecordData Record;
|
|
|
|
// Enter the source manager block.
|
|
Stream.EnterSubblock(SOURCE_MANAGER_BLOCK_ID, 3);
|
|
|
|
// Abbreviations for the various kinds of source-location entries.
|
|
unsigned SLocFileAbbrv = CreateSLocFileAbbrev(Stream);
|
|
unsigned SLocBufferAbbrv = CreateSLocBufferAbbrev(Stream);
|
|
unsigned SLocBufferBlobAbbrv = CreateSLocBufferBlobAbbrev(Stream);
|
|
unsigned SLocExpansionAbbrv = CreateSLocExpansionAbbrev(Stream);
|
|
|
|
// Write out the source location entry table. We skip the first
|
|
// entry, which is always the same dummy entry.
|
|
std::vector<uint32_t> SLocEntryOffsets;
|
|
RecordData PreloadSLocs;
|
|
SLocEntryOffsets.reserve(SourceMgr.local_sloc_entry_size() - 1);
|
|
for (unsigned I = 1, N = SourceMgr.local_sloc_entry_size();
|
|
I != N; ++I) {
|
|
// Get this source location entry.
|
|
const SrcMgr::SLocEntry *SLoc = &SourceMgr.getLocalSLocEntry(I);
|
|
FileID FID = FileID::get(I);
|
|
assert(&SourceMgr.getSLocEntry(FID) == SLoc);
|
|
|
|
// Record the offset of this source-location entry.
|
|
SLocEntryOffsets.push_back(Stream.GetCurrentBitNo());
|
|
|
|
// Figure out which record code to use.
|
|
unsigned Code;
|
|
if (SLoc->isFile()) {
|
|
const SrcMgr::ContentCache *Cache = SLoc->getFile().getContentCache();
|
|
if (Cache->OrigEntry) {
|
|
Code = SM_SLOC_FILE_ENTRY;
|
|
} else
|
|
Code = SM_SLOC_BUFFER_ENTRY;
|
|
} else
|
|
Code = SM_SLOC_EXPANSION_ENTRY;
|
|
Record.clear();
|
|
Record.push_back(Code);
|
|
|
|
// Starting offset of this entry within this module, so skip the dummy.
|
|
Record.push_back(SLoc->getOffset() - 2);
|
|
if (SLoc->isFile()) {
|
|
const SrcMgr::FileInfo &File = SLoc->getFile();
|
|
Record.push_back(File.getIncludeLoc().getRawEncoding());
|
|
Record.push_back(File.getFileCharacteristic()); // FIXME: stable encoding
|
|
Record.push_back(File.hasLineDirectives());
|
|
|
|
const SrcMgr::ContentCache *Content = File.getContentCache();
|
|
if (Content->OrigEntry) {
|
|
assert(Content->OrigEntry == Content->ContentsEntry &&
|
|
"Writing to AST an overridden file is not supported");
|
|
|
|
// The source location entry is a file. Emit input file ID.
|
|
assert(InputFileIDs[Content->OrigEntry] != 0 && "Missed file entry");
|
|
Record.push_back(InputFileIDs[Content->OrigEntry]);
|
|
|
|
Record.push_back(File.NumCreatedFIDs);
|
|
|
|
FileDeclIDsTy::iterator FDI = FileDeclIDs.find(FID);
|
|
if (FDI != FileDeclIDs.end()) {
|
|
Record.push_back(FDI->second->FirstDeclIndex);
|
|
Record.push_back(FDI->second->DeclIDs.size());
|
|
} else {
|
|
Record.push_back(0);
|
|
Record.push_back(0);
|
|
}
|
|
|
|
Stream.EmitRecordWithAbbrev(SLocFileAbbrv, Record);
|
|
|
|
if (Content->BufferOverridden) {
|
|
Record.clear();
|
|
Record.push_back(SM_SLOC_BUFFER_BLOB);
|
|
const llvm::MemoryBuffer *Buffer
|
|
= Content->getBuffer(PP.getDiagnostics(), PP.getSourceManager());
|
|
Stream.EmitRecordWithBlob(SLocBufferBlobAbbrv, Record,
|
|
StringRef(Buffer->getBufferStart(),
|
|
Buffer->getBufferSize() + 1));
|
|
}
|
|
} else {
|
|
// The source location entry is a buffer. The blob associated
|
|
// with this entry contains the contents of the buffer.
|
|
|
|
// We add one to the size so that we capture the trailing NULL
|
|
// that is required by llvm::MemoryBuffer::getMemBuffer (on
|
|
// the reader side).
|
|
const llvm::MemoryBuffer *Buffer
|
|
= Content->getBuffer(PP.getDiagnostics(), PP.getSourceManager());
|
|
const char *Name = Buffer->getBufferIdentifier();
|
|
Stream.EmitRecordWithBlob(SLocBufferAbbrv, Record,
|
|
StringRef(Name, strlen(Name) + 1));
|
|
Record.clear();
|
|
Record.push_back(SM_SLOC_BUFFER_BLOB);
|
|
Stream.EmitRecordWithBlob(SLocBufferBlobAbbrv, Record,
|
|
StringRef(Buffer->getBufferStart(),
|
|
Buffer->getBufferSize() + 1));
|
|
|
|
if (strcmp(Name, "<built-in>") == 0) {
|
|
PreloadSLocs.push_back(SLocEntryOffsets.size());
|
|
}
|
|
}
|
|
} else {
|
|
// The source location entry is a macro expansion.
|
|
const SrcMgr::ExpansionInfo &Expansion = SLoc->getExpansion();
|
|
Record.push_back(Expansion.getSpellingLoc().getRawEncoding());
|
|
Record.push_back(Expansion.getExpansionLocStart().getRawEncoding());
|
|
Record.push_back(Expansion.isMacroArgExpansion() ? 0
|
|
: Expansion.getExpansionLocEnd().getRawEncoding());
|
|
|
|
// Compute the token length for this macro expansion.
|
|
unsigned NextOffset = SourceMgr.getNextLocalOffset();
|
|
if (I + 1 != N)
|
|
NextOffset = SourceMgr.getLocalSLocEntry(I + 1).getOffset();
|
|
Record.push_back(NextOffset - SLoc->getOffset() - 1);
|
|
Stream.EmitRecordWithAbbrev(SLocExpansionAbbrv, Record);
|
|
}
|
|
}
|
|
|
|
Stream.ExitBlock();
|
|
|
|
if (SLocEntryOffsets.empty())
|
|
return;
|
|
|
|
// Write the source-location offsets table into the AST block. This
|
|
// table is used for lazily loading source-location information.
|
|
using namespace llvm;
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(SOURCE_LOCATION_OFFSETS));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 16)); // # of slocs
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 16)); // total size
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // offsets
|
|
unsigned SLocOffsetsAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
|
|
Record.clear();
|
|
Record.push_back(SOURCE_LOCATION_OFFSETS);
|
|
Record.push_back(SLocEntryOffsets.size());
|
|
Record.push_back(SourceMgr.getNextLocalOffset() - 1); // skip dummy
|
|
Stream.EmitRecordWithBlob(SLocOffsetsAbbrev, Record, data(SLocEntryOffsets));
|
|
|
|
// Write the source location entry preloads array, telling the AST
|
|
// reader which source locations entries it should load eagerly.
|
|
Stream.EmitRecord(SOURCE_LOCATION_PRELOADS, PreloadSLocs);
|
|
|
|
// Write the line table. It depends on remapping working, so it must come
|
|
// after the source location offsets.
|
|
if (SourceMgr.hasLineTable()) {
|
|
LineTableInfo &LineTable = SourceMgr.getLineTable();
|
|
|
|
Record.clear();
|
|
// Emit the file names
|
|
Record.push_back(LineTable.getNumFilenames());
|
|
for (unsigned I = 0, N = LineTable.getNumFilenames(); I != N; ++I) {
|
|
// Emit the file name
|
|
const char *Filename = LineTable.getFilename(I);
|
|
Filename = adjustFilenameForRelocatablePCH(Filename, isysroot);
|
|
unsigned FilenameLen = Filename? strlen(Filename) : 0;
|
|
Record.push_back(FilenameLen);
|
|
if (FilenameLen)
|
|
Record.insert(Record.end(), Filename, Filename + FilenameLen);
|
|
}
|
|
|
|
// Emit the line entries
|
|
for (LineTableInfo::iterator L = LineTable.begin(), LEnd = LineTable.end();
|
|
L != LEnd; ++L) {
|
|
// Only emit entries for local files.
|
|
if (L->first.ID < 0)
|
|
continue;
|
|
|
|
// Emit the file ID
|
|
Record.push_back(L->first.ID);
|
|
|
|
// Emit the line entries
|
|
Record.push_back(L->second.size());
|
|
for (std::vector<LineEntry>::iterator LE = L->second.begin(),
|
|
LEEnd = L->second.end();
|
|
LE != LEEnd; ++LE) {
|
|
Record.push_back(LE->FileOffset);
|
|
Record.push_back(LE->LineNo);
|
|
Record.push_back(LE->FilenameID);
|
|
Record.push_back((unsigned)LE->FileKind);
|
|
Record.push_back(LE->IncludeOffset);
|
|
}
|
|
}
|
|
Stream.EmitRecord(SOURCE_MANAGER_LINE_TABLE, Record);
|
|
}
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Preprocessor Serialization
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
static int compareMacroDefinitions(const void *XPtr, const void *YPtr) {
|
|
const std::pair<const IdentifierInfo *, MacroInfo *> &X =
|
|
*(const std::pair<const IdentifierInfo *, MacroInfo *>*)XPtr;
|
|
const std::pair<const IdentifierInfo *, MacroInfo *> &Y =
|
|
*(const std::pair<const IdentifierInfo *, MacroInfo *>*)YPtr;
|
|
return X.first->getName().compare(Y.first->getName());
|
|
}
|
|
|
|
/// \brief Writes the block containing the serialized form of the
|
|
/// preprocessor.
|
|
///
|
|
void ASTWriter::WritePreprocessor(const Preprocessor &PP, bool IsModule) {
|
|
PreprocessingRecord *PPRec = PP.getPreprocessingRecord();
|
|
if (PPRec)
|
|
WritePreprocessorDetail(*PPRec);
|
|
|
|
RecordData Record;
|
|
|
|
// If the preprocessor __COUNTER__ value has been bumped, remember it.
|
|
if (PP.getCounterValue() != 0) {
|
|
Record.push_back(PP.getCounterValue());
|
|
Stream.EmitRecord(PP_COUNTER_VALUE, Record);
|
|
Record.clear();
|
|
}
|
|
|
|
// Enter the preprocessor block.
|
|
Stream.EnterSubblock(PREPROCESSOR_BLOCK_ID, 3);
|
|
|
|
// If the AST file contains __DATE__ or __TIME__ emit a warning about this.
|
|
// FIXME: use diagnostics subsystem for localization etc.
|
|
if (PP.SawDateOrTime())
|
|
fprintf(stderr, "warning: precompiled header used __DATE__ or __TIME__.\n");
|
|
|
|
|
|
// Loop over all the macro definitions that are live at the end of the file,
|
|
// emitting each to the PP section.
|
|
|
|
// Construct the list of macro definitions that need to be serialized.
|
|
SmallVector<std::pair<const IdentifierInfo *, MacroInfo *>, 2>
|
|
MacrosToEmit;
|
|
llvm::SmallPtrSet<const IdentifierInfo*, 4> MacroDefinitionsSeen;
|
|
for (Preprocessor::macro_iterator I = PP.macro_begin(Chain == 0),
|
|
E = PP.macro_end(Chain == 0);
|
|
I != E; ++I) {
|
|
if (!IsModule || I->second->isPublic()) {
|
|
MacroDefinitionsSeen.insert(I->first);
|
|
MacrosToEmit.push_back(std::make_pair(I->first, I->second));
|
|
}
|
|
}
|
|
|
|
// Sort the set of macro definitions that need to be serialized by the
|
|
// name of the macro, to provide a stable ordering.
|
|
llvm::array_pod_sort(MacrosToEmit.begin(), MacrosToEmit.end(),
|
|
&compareMacroDefinitions);
|
|
|
|
/// \brief Offsets of each of the macros into the bitstream, indexed by
|
|
/// the local macro ID
|
|
///
|
|
/// For each identifier that is associated with a macro, this map
|
|
/// provides the offset into the bitstream where that macro is
|
|
/// defined.
|
|
std::vector<uint32_t> MacroOffsets;
|
|
|
|
for (unsigned I = 0, N = MacrosToEmit.size(); I != N; ++I) {
|
|
const IdentifierInfo *Name = MacrosToEmit[I].first;
|
|
|
|
for (MacroInfo *MI = MacrosToEmit[I].second; MI;
|
|
MI = MI->getPreviousDefinition()) {
|
|
MacroID ID = getMacroRef(MI);
|
|
if (!ID)
|
|
continue;
|
|
|
|
// Skip macros from a AST file if we're chaining.
|
|
if (Chain && MI->isFromAST() && !MI->hasChangedAfterLoad())
|
|
continue;
|
|
|
|
if (ID < FirstMacroID) {
|
|
// This will have been dealt with via an update record.
|
|
assert(MacroUpdates.count(MI) > 0 && "Missing macro update");
|
|
continue;
|
|
}
|
|
|
|
// Record the local offset of this macro.
|
|
unsigned Index = ID - FirstMacroID;
|
|
if (Index == MacroOffsets.size())
|
|
MacroOffsets.push_back(Stream.GetCurrentBitNo());
|
|
else {
|
|
if (Index > MacroOffsets.size())
|
|
MacroOffsets.resize(Index + 1);
|
|
|
|
MacroOffsets[Index] = Stream.GetCurrentBitNo();
|
|
}
|
|
|
|
AddIdentifierRef(Name, Record);
|
|
addMacroRef(MI, Record);
|
|
Record.push_back(inferSubmoduleIDFromLocation(MI->getDefinitionLoc()));
|
|
AddSourceLocation(MI->getDefinitionLoc(), Record);
|
|
AddSourceLocation(MI->getDefinitionEndLoc(), Record);
|
|
AddSourceLocation(MI->getUndefLoc(), Record);
|
|
Record.push_back(MI->isUsed());
|
|
Record.push_back(MI->isPublic());
|
|
AddSourceLocation(MI->getVisibilityLocation(), Record);
|
|
unsigned Code;
|
|
if (MI->isObjectLike()) {
|
|
Code = PP_MACRO_OBJECT_LIKE;
|
|
} else {
|
|
Code = PP_MACRO_FUNCTION_LIKE;
|
|
|
|
Record.push_back(MI->isC99Varargs());
|
|
Record.push_back(MI->isGNUVarargs());
|
|
Record.push_back(MI->hasCommaPasting());
|
|
Record.push_back(MI->getNumArgs());
|
|
for (MacroInfo::arg_iterator I = MI->arg_begin(), E = MI->arg_end();
|
|
I != E; ++I)
|
|
AddIdentifierRef(*I, Record);
|
|
}
|
|
|
|
// If we have a detailed preprocessing record, record the macro definition
|
|
// ID that corresponds to this macro.
|
|
if (PPRec)
|
|
Record.push_back(MacroDefinitions[PPRec->findMacroDefinition(MI)]);
|
|
|
|
Stream.EmitRecord(Code, Record);
|
|
Record.clear();
|
|
|
|
// Emit the tokens array.
|
|
for (unsigned TokNo = 0, e = MI->getNumTokens(); TokNo != e; ++TokNo) {
|
|
// Note that we know that the preprocessor does not have any annotation
|
|
// tokens in it because they are created by the parser, and thus can't
|
|
// be in a macro definition.
|
|
const Token &Tok = MI->getReplacementToken(TokNo);
|
|
|
|
Record.push_back(Tok.getLocation().getRawEncoding());
|
|
Record.push_back(Tok.getLength());
|
|
|
|
// FIXME: When reading literal tokens, reconstruct the literal pointer
|
|
// if it is needed.
|
|
AddIdentifierRef(Tok.getIdentifierInfo(), Record);
|
|
// FIXME: Should translate token kind to a stable encoding.
|
|
Record.push_back(Tok.getKind());
|
|
// FIXME: Should translate token flags to a stable encoding.
|
|
Record.push_back(Tok.getFlags());
|
|
|
|
Stream.EmitRecord(PP_TOKEN, Record);
|
|
Record.clear();
|
|
}
|
|
++NumMacros;
|
|
}
|
|
}
|
|
Stream.ExitBlock();
|
|
|
|
// Write the offsets table for macro IDs.
|
|
using namespace llvm;
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(MACRO_OFFSET));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // # of macros
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // first ID
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
|
|
|
|
unsigned MacroOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
Record.clear();
|
|
Record.push_back(MACRO_OFFSET);
|
|
Record.push_back(MacroOffsets.size());
|
|
Record.push_back(FirstMacroID - NUM_PREDEF_MACRO_IDS);
|
|
Stream.EmitRecordWithBlob(MacroOffsetAbbrev, Record,
|
|
data(MacroOffsets));
|
|
}
|
|
|
|
void ASTWriter::WritePreprocessorDetail(PreprocessingRecord &PPRec) {
|
|
if (PPRec.local_begin() == PPRec.local_end())
|
|
return;
|
|
|
|
SmallVector<PPEntityOffset, 64> PreprocessedEntityOffsets;
|
|
|
|
// Enter the preprocessor block.
|
|
Stream.EnterSubblock(PREPROCESSOR_DETAIL_BLOCK_ID, 3);
|
|
|
|
// If the preprocessor has a preprocessing record, emit it.
|
|
unsigned NumPreprocessingRecords = 0;
|
|
using namespace llvm;
|
|
|
|
// Set up the abbreviation for
|
|
unsigned InclusionAbbrev = 0;
|
|
{
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(PPD_INCLUSION_DIRECTIVE));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // filename length
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // in quotes
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); // kind
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // imported module
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
|
|
InclusionAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
}
|
|
|
|
unsigned FirstPreprocessorEntityID
|
|
= (Chain ? PPRec.getNumLoadedPreprocessedEntities() : 0)
|
|
+ NUM_PREDEF_PP_ENTITY_IDS;
|
|
unsigned NextPreprocessorEntityID = FirstPreprocessorEntityID;
|
|
RecordData Record;
|
|
for (PreprocessingRecord::iterator E = PPRec.local_begin(),
|
|
EEnd = PPRec.local_end();
|
|
E != EEnd;
|
|
(void)++E, ++NumPreprocessingRecords, ++NextPreprocessorEntityID) {
|
|
Record.clear();
|
|
|
|
PreprocessedEntityOffsets.push_back(PPEntityOffset((*E)->getSourceRange(),
|
|
Stream.GetCurrentBitNo()));
|
|
|
|
if (MacroDefinition *MD = dyn_cast<MacroDefinition>(*E)) {
|
|
// Record this macro definition's ID.
|
|
MacroDefinitions[MD] = NextPreprocessorEntityID;
|
|
|
|
AddIdentifierRef(MD->getName(), Record);
|
|
Stream.EmitRecord(PPD_MACRO_DEFINITION, Record);
|
|
continue;
|
|
}
|
|
|
|
if (MacroExpansion *ME = dyn_cast<MacroExpansion>(*E)) {
|
|
Record.push_back(ME->isBuiltinMacro());
|
|
if (ME->isBuiltinMacro())
|
|
AddIdentifierRef(ME->getName(), Record);
|
|
else
|
|
Record.push_back(MacroDefinitions[ME->getDefinition()]);
|
|
Stream.EmitRecord(PPD_MACRO_EXPANSION, Record);
|
|
continue;
|
|
}
|
|
|
|
if (InclusionDirective *ID = dyn_cast<InclusionDirective>(*E)) {
|
|
Record.push_back(PPD_INCLUSION_DIRECTIVE);
|
|
Record.push_back(ID->getFileName().size());
|
|
Record.push_back(ID->wasInQuotes());
|
|
Record.push_back(static_cast<unsigned>(ID->getKind()));
|
|
Record.push_back(ID->importedModule());
|
|
SmallString<64> Buffer;
|
|
Buffer += ID->getFileName();
|
|
// Check that the FileEntry is not null because it was not resolved and
|
|
// we create a PCH even with compiler errors.
|
|
if (ID->getFile())
|
|
Buffer += ID->getFile()->getName();
|
|
Stream.EmitRecordWithBlob(InclusionAbbrev, Record, Buffer);
|
|
continue;
|
|
}
|
|
|
|
llvm_unreachable("Unhandled PreprocessedEntity in ASTWriter");
|
|
}
|
|
Stream.ExitBlock();
|
|
|
|
// Write the offsets table for the preprocessing record.
|
|
if (NumPreprocessingRecords > 0) {
|
|
assert(PreprocessedEntityOffsets.size() == NumPreprocessingRecords);
|
|
|
|
// Write the offsets table for identifier IDs.
|
|
using namespace llvm;
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(PPD_ENTITIES_OFFSETS));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // first pp entity
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
|
|
unsigned PPEOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
|
|
Record.clear();
|
|
Record.push_back(PPD_ENTITIES_OFFSETS);
|
|
Record.push_back(FirstPreprocessorEntityID - NUM_PREDEF_PP_ENTITY_IDS);
|
|
Stream.EmitRecordWithBlob(PPEOffsetAbbrev, Record,
|
|
data(PreprocessedEntityOffsets));
|
|
}
|
|
}
|
|
|
|
unsigned ASTWriter::getSubmoduleID(Module *Mod) {
|
|
llvm::DenseMap<Module *, unsigned>::iterator Known = SubmoduleIDs.find(Mod);
|
|
if (Known != SubmoduleIDs.end())
|
|
return Known->second;
|
|
|
|
return SubmoduleIDs[Mod] = NextSubmoduleID++;
|
|
}
|
|
|
|
/// \brief Compute the number of modules within the given tree (including the
|
|
/// given module).
|
|
static unsigned getNumberOfModules(Module *Mod) {
|
|
unsigned ChildModules = 0;
|
|
for (Module::submodule_iterator Sub = Mod->submodule_begin(),
|
|
SubEnd = Mod->submodule_end();
|
|
Sub != SubEnd; ++Sub)
|
|
ChildModules += getNumberOfModules(*Sub);
|
|
|
|
return ChildModules + 1;
|
|
}
|
|
|
|
void ASTWriter::WriteSubmodules(Module *WritingModule) {
|
|
// Determine the dependencies of our module and each of it's submodules.
|
|
// FIXME: This feels like it belongs somewhere else, but there are no
|
|
// other consumers of this information.
|
|
SourceManager &SrcMgr = PP->getSourceManager();
|
|
ModuleMap &ModMap = PP->getHeaderSearchInfo().getModuleMap();
|
|
for (ASTContext::import_iterator I = Context->local_import_begin(),
|
|
IEnd = Context->local_import_end();
|
|
I != IEnd; ++I) {
|
|
if (Module *ImportedFrom
|
|
= ModMap.inferModuleFromLocation(FullSourceLoc(I->getLocation(),
|
|
SrcMgr))) {
|
|
ImportedFrom->Imports.push_back(I->getImportedModule());
|
|
}
|
|
}
|
|
|
|
// Enter the submodule description block.
|
|
Stream.EnterSubblock(SUBMODULE_BLOCK_ID, NUM_ALLOWED_ABBREVS_SIZE);
|
|
|
|
// Write the abbreviations needed for the submodules block.
|
|
using namespace llvm;
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_DEFINITION));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // ID
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Parent
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsFramework
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsExplicit
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsSystem
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // InferSubmodules...
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // InferExplicit...
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // InferExportWild...
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Name
|
|
unsigned DefinitionAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
|
|
Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_UMBRELLA_HEADER));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Name
|
|
unsigned UmbrellaAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
|
|
Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_HEADER));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Name
|
|
unsigned HeaderAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
|
|
Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_TOPHEADER));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Name
|
|
unsigned TopHeaderAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
|
|
Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_UMBRELLA_DIR));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Name
|
|
unsigned UmbrellaDirAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
|
|
Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_REQUIRES));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Feature
|
|
unsigned RequiresAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
|
|
Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_EXCLUDED_HEADER));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Name
|
|
unsigned ExcludedHeaderAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
|
|
// Write the submodule metadata block.
|
|
RecordData Record;
|
|
Record.push_back(getNumberOfModules(WritingModule));
|
|
Record.push_back(FirstSubmoduleID - NUM_PREDEF_SUBMODULE_IDS);
|
|
Stream.EmitRecord(SUBMODULE_METADATA, Record);
|
|
|
|
// Write all of the submodules.
|
|
std::queue<Module *> Q;
|
|
Q.push(WritingModule);
|
|
while (!Q.empty()) {
|
|
Module *Mod = Q.front();
|
|
Q.pop();
|
|
unsigned ID = getSubmoduleID(Mod);
|
|
|
|
// Emit the definition of the block.
|
|
Record.clear();
|
|
Record.push_back(SUBMODULE_DEFINITION);
|
|
Record.push_back(ID);
|
|
if (Mod->Parent) {
|
|
assert(SubmoduleIDs[Mod->Parent] && "Submodule parent not written?");
|
|
Record.push_back(SubmoduleIDs[Mod->Parent]);
|
|
} else {
|
|
Record.push_back(0);
|
|
}
|
|
Record.push_back(Mod->IsFramework);
|
|
Record.push_back(Mod->IsExplicit);
|
|
Record.push_back(Mod->IsSystem);
|
|
Record.push_back(Mod->InferSubmodules);
|
|
Record.push_back(Mod->InferExplicitSubmodules);
|
|
Record.push_back(Mod->InferExportWildcard);
|
|
Stream.EmitRecordWithBlob(DefinitionAbbrev, Record, Mod->Name);
|
|
|
|
// Emit the requirements.
|
|
for (unsigned I = 0, N = Mod->Requires.size(); I != N; ++I) {
|
|
Record.clear();
|
|
Record.push_back(SUBMODULE_REQUIRES);
|
|
Stream.EmitRecordWithBlob(RequiresAbbrev, Record,
|
|
Mod->Requires[I].data(),
|
|
Mod->Requires[I].size());
|
|
}
|
|
|
|
// Emit the umbrella header, if there is one.
|
|
if (const FileEntry *UmbrellaHeader = Mod->getUmbrellaHeader()) {
|
|
Record.clear();
|
|
Record.push_back(SUBMODULE_UMBRELLA_HEADER);
|
|
Stream.EmitRecordWithBlob(UmbrellaAbbrev, Record,
|
|
UmbrellaHeader->getName());
|
|
} else if (const DirectoryEntry *UmbrellaDir = Mod->getUmbrellaDir()) {
|
|
Record.clear();
|
|
Record.push_back(SUBMODULE_UMBRELLA_DIR);
|
|
Stream.EmitRecordWithBlob(UmbrellaDirAbbrev, Record,
|
|
UmbrellaDir->getName());
|
|
}
|
|
|
|
// Emit the headers.
|
|
for (unsigned I = 0, N = Mod->Headers.size(); I != N; ++I) {
|
|
Record.clear();
|
|
Record.push_back(SUBMODULE_HEADER);
|
|
Stream.EmitRecordWithBlob(HeaderAbbrev, Record,
|
|
Mod->Headers[I]->getName());
|
|
}
|
|
// Emit the excluded headers.
|
|
for (unsigned I = 0, N = Mod->ExcludedHeaders.size(); I != N; ++I) {
|
|
Record.clear();
|
|
Record.push_back(SUBMODULE_EXCLUDED_HEADER);
|
|
Stream.EmitRecordWithBlob(ExcludedHeaderAbbrev, Record,
|
|
Mod->ExcludedHeaders[I]->getName());
|
|
}
|
|
for (unsigned I = 0, N = Mod->TopHeaders.size(); I != N; ++I) {
|
|
Record.clear();
|
|
Record.push_back(SUBMODULE_TOPHEADER);
|
|
Stream.EmitRecordWithBlob(TopHeaderAbbrev, Record,
|
|
Mod->TopHeaders[I]->getName());
|
|
}
|
|
|
|
// Emit the imports.
|
|
if (!Mod->Imports.empty()) {
|
|
Record.clear();
|
|
for (unsigned I = 0, N = Mod->Imports.size(); I != N; ++I) {
|
|
unsigned ImportedID = getSubmoduleID(Mod->Imports[I]);
|
|
assert(ImportedID && "Unknown submodule!");
|
|
Record.push_back(ImportedID);
|
|
}
|
|
Stream.EmitRecord(SUBMODULE_IMPORTS, Record);
|
|
}
|
|
|
|
// Emit the exports.
|
|
if (!Mod->Exports.empty()) {
|
|
Record.clear();
|
|
for (unsigned I = 0, N = Mod->Exports.size(); I != N; ++I) {
|
|
if (Module *Exported = Mod->Exports[I].getPointer()) {
|
|
unsigned ExportedID = SubmoduleIDs[Exported];
|
|
assert(ExportedID > 0 && "Unknown submodule ID?");
|
|
Record.push_back(ExportedID);
|
|
} else {
|
|
Record.push_back(0);
|
|
}
|
|
|
|
Record.push_back(Mod->Exports[I].getInt());
|
|
}
|
|
Stream.EmitRecord(SUBMODULE_EXPORTS, Record);
|
|
}
|
|
|
|
// Queue up the submodules of this module.
|
|
for (Module::submodule_iterator Sub = Mod->submodule_begin(),
|
|
SubEnd = Mod->submodule_end();
|
|
Sub != SubEnd; ++Sub)
|
|
Q.push(*Sub);
|
|
}
|
|
|
|
Stream.ExitBlock();
|
|
|
|
assert((NextSubmoduleID - FirstSubmoduleID
|
|
== getNumberOfModules(WritingModule)) && "Wrong # of submodules");
|
|
}
|
|
|
|
serialization::SubmoduleID
|
|
ASTWriter::inferSubmoduleIDFromLocation(SourceLocation Loc) {
|
|
if (Loc.isInvalid() || !WritingModule)
|
|
return 0; // No submodule
|
|
|
|
// Find the module that owns this location.
|
|
ModuleMap &ModMap = PP->getHeaderSearchInfo().getModuleMap();
|
|
Module *OwningMod
|
|
= ModMap.inferModuleFromLocation(FullSourceLoc(Loc,PP->getSourceManager()));
|
|
if (!OwningMod)
|
|
return 0;
|
|
|
|
// Check whether this submodule is part of our own module.
|
|
if (WritingModule != OwningMod && !OwningMod->isSubModuleOf(WritingModule))
|
|
return 0;
|
|
|
|
return getSubmoduleID(OwningMod);
|
|
}
|
|
|
|
void ASTWriter::WritePragmaDiagnosticMappings(const DiagnosticsEngine &Diag) {
|
|
// FIXME: Make it work properly with modules.
|
|
llvm::SmallDenseMap<const DiagnosticsEngine::DiagState *, unsigned, 64>
|
|
DiagStateIDMap;
|
|
unsigned CurrID = 0;
|
|
DiagStateIDMap[&Diag.DiagStates.front()] = ++CurrID; // the command-line one.
|
|
RecordData Record;
|
|
for (DiagnosticsEngine::DiagStatePointsTy::const_iterator
|
|
I = Diag.DiagStatePoints.begin(), E = Diag.DiagStatePoints.end();
|
|
I != E; ++I) {
|
|
const DiagnosticsEngine::DiagStatePoint &point = *I;
|
|
if (point.Loc.isInvalid())
|
|
continue;
|
|
|
|
Record.push_back(point.Loc.getRawEncoding());
|
|
unsigned &DiagStateID = DiagStateIDMap[point.State];
|
|
Record.push_back(DiagStateID);
|
|
|
|
if (DiagStateID == 0) {
|
|
DiagStateID = ++CurrID;
|
|
for (DiagnosticsEngine::DiagState::const_iterator
|
|
I = point.State->begin(), E = point.State->end(); I != E; ++I) {
|
|
if (I->second.isPragma()) {
|
|
Record.push_back(I->first);
|
|
Record.push_back(I->second.getMapping());
|
|
}
|
|
}
|
|
Record.push_back(-1); // mark the end of the diag/map pairs for this
|
|
// location.
|
|
}
|
|
}
|
|
|
|
if (!Record.empty())
|
|
Stream.EmitRecord(DIAG_PRAGMA_MAPPINGS, Record);
|
|
}
|
|
|
|
void ASTWriter::WriteCXXBaseSpecifiersOffsets() {
|
|
if (CXXBaseSpecifiersOffsets.empty())
|
|
return;
|
|
|
|
RecordData Record;
|
|
|
|
// Create a blob abbreviation for the C++ base specifiers offsets.
|
|
using namespace llvm;
|
|
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(CXX_BASE_SPECIFIER_OFFSETS));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // size
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
|
|
unsigned BaseSpecifierOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
|
|
// Write the base specifier offsets table.
|
|
Record.clear();
|
|
Record.push_back(CXX_BASE_SPECIFIER_OFFSETS);
|
|
Record.push_back(CXXBaseSpecifiersOffsets.size());
|
|
Stream.EmitRecordWithBlob(BaseSpecifierOffsetAbbrev, Record,
|
|
data(CXXBaseSpecifiersOffsets));
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Type Serialization
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
/// \brief Write the representation of a type to the AST stream.
|
|
void ASTWriter::WriteType(QualType T) {
|
|
TypeIdx &Idx = TypeIdxs[T];
|
|
if (Idx.getIndex() == 0) // we haven't seen this type before.
|
|
Idx = TypeIdx(NextTypeID++);
|
|
|
|
assert(Idx.getIndex() >= FirstTypeID && "Re-writing a type from a prior AST");
|
|
|
|
// Record the offset for this type.
|
|
unsigned Index = Idx.getIndex() - FirstTypeID;
|
|
if (TypeOffsets.size() == Index)
|
|
TypeOffsets.push_back(Stream.GetCurrentBitNo());
|
|
else if (TypeOffsets.size() < Index) {
|
|
TypeOffsets.resize(Index + 1);
|
|
TypeOffsets[Index] = Stream.GetCurrentBitNo();
|
|
}
|
|
|
|
RecordData Record;
|
|
|
|
// Emit the type's representation.
|
|
ASTTypeWriter W(*this, Record);
|
|
|
|
if (T.hasLocalNonFastQualifiers()) {
|
|
Qualifiers Qs = T.getLocalQualifiers();
|
|
AddTypeRef(T.getLocalUnqualifiedType(), Record);
|
|
Record.push_back(Qs.getAsOpaqueValue());
|
|
W.Code = TYPE_EXT_QUAL;
|
|
} else {
|
|
switch (T->getTypeClass()) {
|
|
// For all of the concrete, non-dependent types, call the
|
|
// appropriate visitor function.
|
|
#define TYPE(Class, Base) \
|
|
case Type::Class: W.Visit##Class##Type(cast<Class##Type>(T)); break;
|
|
#define ABSTRACT_TYPE(Class, Base)
|
|
#include "clang/AST/TypeNodes.def"
|
|
}
|
|
}
|
|
|
|
// Emit the serialized record.
|
|
Stream.EmitRecord(W.Code, Record);
|
|
|
|
// Flush any expressions that were written as part of this type.
|
|
FlushStmts();
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Declaration Serialization
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
/// \brief Write the block containing all of the declaration IDs
|
|
/// lexically declared within the given DeclContext.
|
|
///
|
|
/// \returns the offset of the DECL_CONTEXT_LEXICAL block within the
|
|
/// bistream, or 0 if no block was written.
|
|
uint64_t ASTWriter::WriteDeclContextLexicalBlock(ASTContext &Context,
|
|
DeclContext *DC) {
|
|
if (DC->decls_empty())
|
|
return 0;
|
|
|
|
uint64_t Offset = Stream.GetCurrentBitNo();
|
|
RecordData Record;
|
|
Record.push_back(DECL_CONTEXT_LEXICAL);
|
|
SmallVector<KindDeclIDPair, 64> Decls;
|
|
for (DeclContext::decl_iterator D = DC->decls_begin(), DEnd = DC->decls_end();
|
|
D != DEnd; ++D)
|
|
Decls.push_back(std::make_pair((*D)->getKind(), GetDeclRef(*D)));
|
|
|
|
++NumLexicalDeclContexts;
|
|
Stream.EmitRecordWithBlob(DeclContextLexicalAbbrev, Record, data(Decls));
|
|
return Offset;
|
|
}
|
|
|
|
void ASTWriter::WriteTypeDeclOffsets() {
|
|
using namespace llvm;
|
|
RecordData Record;
|
|
|
|
// Write the type offsets array
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(TYPE_OFFSET));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // # of types
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // base type index
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // types block
|
|
unsigned TypeOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
Record.clear();
|
|
Record.push_back(TYPE_OFFSET);
|
|
Record.push_back(TypeOffsets.size());
|
|
Record.push_back(FirstTypeID - NUM_PREDEF_TYPE_IDS);
|
|
Stream.EmitRecordWithBlob(TypeOffsetAbbrev, Record, data(TypeOffsets));
|
|
|
|
// Write the declaration offsets array
|
|
Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(DECL_OFFSET));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // # of declarations
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // base decl ID
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // declarations block
|
|
unsigned DeclOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
Record.clear();
|
|
Record.push_back(DECL_OFFSET);
|
|
Record.push_back(DeclOffsets.size());
|
|
Record.push_back(FirstDeclID - NUM_PREDEF_DECL_IDS);
|
|
Stream.EmitRecordWithBlob(DeclOffsetAbbrev, Record, data(DeclOffsets));
|
|
}
|
|
|
|
void ASTWriter::WriteFileDeclIDsMap() {
|
|
using namespace llvm;
|
|
RecordData Record;
|
|
|
|
// Join the vectors of DeclIDs from all files.
|
|
SmallVector<DeclID, 256> FileSortedIDs;
|
|
for (FileDeclIDsTy::iterator
|
|
FI = FileDeclIDs.begin(), FE = FileDeclIDs.end(); FI != FE; ++FI) {
|
|
DeclIDInFileInfo &Info = *FI->second;
|
|
Info.FirstDeclIndex = FileSortedIDs.size();
|
|
for (LocDeclIDsTy::iterator
|
|
DI = Info.DeclIDs.begin(), DE = Info.DeclIDs.end(); DI != DE; ++DI)
|
|
FileSortedIDs.push_back(DI->second);
|
|
}
|
|
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(FILE_SORTED_DECLS));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
|
|
unsigned AbbrevCode = Stream.EmitAbbrev(Abbrev);
|
|
Record.push_back(FILE_SORTED_DECLS);
|
|
Record.push_back(FileSortedIDs.size());
|
|
Stream.EmitRecordWithBlob(AbbrevCode, Record, data(FileSortedIDs));
|
|
}
|
|
|
|
void ASTWriter::WriteComments() {
|
|
Stream.EnterSubblock(COMMENTS_BLOCK_ID, 3);
|
|
ArrayRef<RawComment *> RawComments = Context->Comments.getComments();
|
|
RecordData Record;
|
|
for (ArrayRef<RawComment *>::iterator I = RawComments.begin(),
|
|
E = RawComments.end();
|
|
I != E; ++I) {
|
|
Record.clear();
|
|
AddSourceRange((*I)->getSourceRange(), Record);
|
|
Record.push_back((*I)->getKind());
|
|
Record.push_back((*I)->isTrailingComment());
|
|
Record.push_back((*I)->isAlmostTrailingComment());
|
|
Stream.EmitRecord(COMMENTS_RAW_COMMENT, Record);
|
|
}
|
|
Stream.ExitBlock();
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Global Method Pool and Selector Serialization
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
namespace {
|
|
// Trait used for the on-disk hash table used in the method pool.
|
|
class ASTMethodPoolTrait {
|
|
ASTWriter &Writer;
|
|
|
|
public:
|
|
typedef Selector key_type;
|
|
typedef key_type key_type_ref;
|
|
|
|
struct data_type {
|
|
SelectorID ID;
|
|
ObjCMethodList Instance, Factory;
|
|
};
|
|
typedef const data_type& data_type_ref;
|
|
|
|
explicit ASTMethodPoolTrait(ASTWriter &Writer) : Writer(Writer) { }
|
|
|
|
static unsigned ComputeHash(Selector Sel) {
|
|
return serialization::ComputeHash(Sel);
|
|
}
|
|
|
|
std::pair<unsigned,unsigned>
|
|
EmitKeyDataLength(raw_ostream& Out, Selector Sel,
|
|
data_type_ref Methods) {
|
|
unsigned KeyLen = 2 + (Sel.getNumArgs()? Sel.getNumArgs() * 4 : 4);
|
|
clang::io::Emit16(Out, KeyLen);
|
|
unsigned DataLen = 4 + 2 + 2; // 2 bytes for each of the method counts
|
|
for (const ObjCMethodList *Method = &Methods.Instance; Method;
|
|
Method = Method->Next)
|
|
if (Method->Method)
|
|
DataLen += 4;
|
|
for (const ObjCMethodList *Method = &Methods.Factory; Method;
|
|
Method = Method->Next)
|
|
if (Method->Method)
|
|
DataLen += 4;
|
|
clang::io::Emit16(Out, DataLen);
|
|
return std::make_pair(KeyLen, DataLen);
|
|
}
|
|
|
|
void EmitKey(raw_ostream& Out, Selector Sel, unsigned) {
|
|
uint64_t Start = Out.tell();
|
|
assert((Start >> 32) == 0 && "Selector key offset too large");
|
|
Writer.SetSelectorOffset(Sel, Start);
|
|
unsigned N = Sel.getNumArgs();
|
|
clang::io::Emit16(Out, N);
|
|
if (N == 0)
|
|
N = 1;
|
|
for (unsigned I = 0; I != N; ++I)
|
|
clang::io::Emit32(Out,
|
|
Writer.getIdentifierRef(Sel.getIdentifierInfoForSlot(I)));
|
|
}
|
|
|
|
void EmitData(raw_ostream& Out, key_type_ref,
|
|
data_type_ref Methods, unsigned DataLen) {
|
|
uint64_t Start = Out.tell(); (void)Start;
|
|
clang::io::Emit32(Out, Methods.ID);
|
|
unsigned NumInstanceMethods = 0;
|
|
for (const ObjCMethodList *Method = &Methods.Instance; Method;
|
|
Method = Method->Next)
|
|
if (Method->Method)
|
|
++NumInstanceMethods;
|
|
|
|
unsigned NumFactoryMethods = 0;
|
|
for (const ObjCMethodList *Method = &Methods.Factory; Method;
|
|
Method = Method->Next)
|
|
if (Method->Method)
|
|
++NumFactoryMethods;
|
|
|
|
clang::io::Emit16(Out, NumInstanceMethods);
|
|
clang::io::Emit16(Out, NumFactoryMethods);
|
|
for (const ObjCMethodList *Method = &Methods.Instance; Method;
|
|
Method = Method->Next)
|
|
if (Method->Method)
|
|
clang::io::Emit32(Out, Writer.getDeclID(Method->Method));
|
|
for (const ObjCMethodList *Method = &Methods.Factory; Method;
|
|
Method = Method->Next)
|
|
if (Method->Method)
|
|
clang::io::Emit32(Out, Writer.getDeclID(Method->Method));
|
|
|
|
assert(Out.tell() - Start == DataLen && "Data length is wrong");
|
|
}
|
|
};
|
|
} // end anonymous namespace
|
|
|
|
/// \brief Write ObjC data: selectors and the method pool.
|
|
///
|
|
/// The method pool contains both instance and factory methods, stored
|
|
/// in an on-disk hash table indexed by the selector. The hash table also
|
|
/// contains an empty entry for every other selector known to Sema.
|
|
void ASTWriter::WriteSelectors(Sema &SemaRef) {
|
|
using namespace llvm;
|
|
|
|
// Do we have to do anything at all?
|
|
if (SemaRef.MethodPool.empty() && SelectorIDs.empty())
|
|
return;
|
|
unsigned NumTableEntries = 0;
|
|
// Create and write out the blob that contains selectors and the method pool.
|
|
{
|
|
OnDiskChainedHashTableGenerator<ASTMethodPoolTrait> Generator;
|
|
ASTMethodPoolTrait Trait(*this);
|
|
|
|
// Create the on-disk hash table representation. We walk through every
|
|
// selector we've seen and look it up in the method pool.
|
|
SelectorOffsets.resize(NextSelectorID - FirstSelectorID);
|
|
for (llvm::DenseMap<Selector, SelectorID>::iterator
|
|
I = SelectorIDs.begin(), E = SelectorIDs.end();
|
|
I != E; ++I) {
|
|
Selector S = I->first;
|
|
Sema::GlobalMethodPool::iterator F = SemaRef.MethodPool.find(S);
|
|
ASTMethodPoolTrait::data_type Data = {
|
|
I->second,
|
|
ObjCMethodList(),
|
|
ObjCMethodList()
|
|
};
|
|
if (F != SemaRef.MethodPool.end()) {
|
|
Data.Instance = F->second.first;
|
|
Data.Factory = F->second.second;
|
|
}
|
|
// Only write this selector if it's not in an existing AST or something
|
|
// changed.
|
|
if (Chain && I->second < FirstSelectorID) {
|
|
// Selector already exists. Did it change?
|
|
bool changed = false;
|
|
for (ObjCMethodList *M = &Data.Instance; !changed && M && M->Method;
|
|
M = M->Next) {
|
|
if (!M->Method->isFromASTFile())
|
|
changed = true;
|
|
}
|
|
for (ObjCMethodList *M = &Data.Factory; !changed && M && M->Method;
|
|
M = M->Next) {
|
|
if (!M->Method->isFromASTFile())
|
|
changed = true;
|
|
}
|
|
if (!changed)
|
|
continue;
|
|
} else if (Data.Instance.Method || Data.Factory.Method) {
|
|
// A new method pool entry.
|
|
++NumTableEntries;
|
|
}
|
|
Generator.insert(S, Data, Trait);
|
|
}
|
|
|
|
// Create the on-disk hash table in a buffer.
|
|
SmallString<4096> MethodPool;
|
|
uint32_t BucketOffset;
|
|
{
|
|
ASTMethodPoolTrait Trait(*this);
|
|
llvm::raw_svector_ostream Out(MethodPool);
|
|
// Make sure that no bucket is at offset 0
|
|
clang::io::Emit32(Out, 0);
|
|
BucketOffset = Generator.Emit(Out, Trait);
|
|
}
|
|
|
|
// Create a blob abbreviation
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(METHOD_POOL));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
|
|
unsigned MethodPoolAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
|
|
// Write the method pool
|
|
RecordData Record;
|
|
Record.push_back(METHOD_POOL);
|
|
Record.push_back(BucketOffset);
|
|
Record.push_back(NumTableEntries);
|
|
Stream.EmitRecordWithBlob(MethodPoolAbbrev, Record, MethodPool.str());
|
|
|
|
// Create a blob abbreviation for the selector table offsets.
|
|
Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(SELECTOR_OFFSETS));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // size
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // first ID
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
|
|
unsigned SelectorOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
|
|
// Write the selector offsets table.
|
|
Record.clear();
|
|
Record.push_back(SELECTOR_OFFSETS);
|
|
Record.push_back(SelectorOffsets.size());
|
|
Record.push_back(FirstSelectorID - NUM_PREDEF_SELECTOR_IDS);
|
|
Stream.EmitRecordWithBlob(SelectorOffsetAbbrev, Record,
|
|
data(SelectorOffsets));
|
|
}
|
|
}
|
|
|
|
/// \brief Write the selectors referenced in @selector expression into AST file.
|
|
void ASTWriter::WriteReferencedSelectorsPool(Sema &SemaRef) {
|
|
using namespace llvm;
|
|
if (SemaRef.ReferencedSelectors.empty())
|
|
return;
|
|
|
|
RecordData Record;
|
|
|
|
// Note: this writes out all references even for a dependent AST. But it is
|
|
// very tricky to fix, and given that @selector shouldn't really appear in
|
|
// headers, probably not worth it. It's not a correctness issue.
|
|
for (DenseMap<Selector, SourceLocation>::iterator S =
|
|
SemaRef.ReferencedSelectors.begin(),
|
|
E = SemaRef.ReferencedSelectors.end(); S != E; ++S) {
|
|
Selector Sel = (*S).first;
|
|
SourceLocation Loc = (*S).second;
|
|
AddSelectorRef(Sel, Record);
|
|
AddSourceLocation(Loc, Record);
|
|
}
|
|
Stream.EmitRecord(REFERENCED_SELECTOR_POOL, Record);
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Identifier Table Serialization
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
namespace {
|
|
class ASTIdentifierTableTrait {
|
|
ASTWriter &Writer;
|
|
Preprocessor &PP;
|
|
IdentifierResolver &IdResolver;
|
|
bool IsModule;
|
|
|
|
/// \brief Determines whether this is an "interesting" identifier
|
|
/// that needs a full IdentifierInfo structure written into the hash
|
|
/// table.
|
|
bool isInterestingIdentifier(IdentifierInfo *II, MacroInfo *&Macro) {
|
|
if (II->isPoisoned() ||
|
|
II->isExtensionToken() ||
|
|
II->getObjCOrBuiltinID() ||
|
|
II->hasRevertedTokenIDToIdentifier() ||
|
|
II->getFETokenInfo<void>())
|
|
return true;
|
|
|
|
return hadMacroDefinition(II, Macro);
|
|
}
|
|
|
|
bool hadMacroDefinition(IdentifierInfo *II, MacroInfo *&Macro) {
|
|
if (!II->hadMacroDefinition())
|
|
return false;
|
|
|
|
if (Macro || (Macro = PP.getMacroInfoHistory(II)))
|
|
return !Macro->isBuiltinMacro() && (!IsModule || Macro->isPublic());
|
|
|
|
return false;
|
|
}
|
|
|
|
public:
|
|
typedef IdentifierInfo* key_type;
|
|
typedef key_type key_type_ref;
|
|
|
|
typedef IdentID data_type;
|
|
typedef data_type data_type_ref;
|
|
|
|
ASTIdentifierTableTrait(ASTWriter &Writer, Preprocessor &PP,
|
|
IdentifierResolver &IdResolver, bool IsModule)
|
|
: Writer(Writer), PP(PP), IdResolver(IdResolver), IsModule(IsModule) { }
|
|
|
|
static unsigned ComputeHash(const IdentifierInfo* II) {
|
|
return llvm::HashString(II->getName());
|
|
}
|
|
|
|
std::pair<unsigned,unsigned>
|
|
EmitKeyDataLength(raw_ostream& Out, IdentifierInfo* II, IdentID ID) {
|
|
unsigned KeyLen = II->getLength() + 1;
|
|
unsigned DataLen = 4; // 4 bytes for the persistent ID << 1
|
|
MacroInfo *Macro = 0;
|
|
if (isInterestingIdentifier(II, Macro)) {
|
|
DataLen += 2; // 2 bytes for builtin ID
|
|
DataLen += 2; // 2 bytes for flags
|
|
if (hadMacroDefinition(II, Macro)) {
|
|
for (MacroInfo *M = Macro; M; M = M->getPreviousDefinition()) {
|
|
if (Writer.getMacroRef(M) != 0)
|
|
DataLen += 4;
|
|
}
|
|
|
|
DataLen += 4;
|
|
}
|
|
|
|
for (IdentifierResolver::iterator D = IdResolver.begin(II),
|
|
DEnd = IdResolver.end();
|
|
D != DEnd; ++D)
|
|
DataLen += sizeof(DeclID);
|
|
}
|
|
clang::io::Emit16(Out, DataLen);
|
|
// We emit the key length after the data length so that every
|
|
// string is preceded by a 16-bit length. This matches the PTH
|
|
// format for storing identifiers.
|
|
clang::io::Emit16(Out, KeyLen);
|
|
return std::make_pair(KeyLen, DataLen);
|
|
}
|
|
|
|
void EmitKey(raw_ostream& Out, const IdentifierInfo* II,
|
|
unsigned KeyLen) {
|
|
// Record the location of the key data. This is used when generating
|
|
// the mapping from persistent IDs to strings.
|
|
Writer.SetIdentifierOffset(II, Out.tell());
|
|
Out.write(II->getNameStart(), KeyLen);
|
|
}
|
|
|
|
void EmitData(raw_ostream& Out, IdentifierInfo* II,
|
|
IdentID ID, unsigned) {
|
|
MacroInfo *Macro = 0;
|
|
if (!isInterestingIdentifier(II, Macro)) {
|
|
clang::io::Emit32(Out, ID << 1);
|
|
return;
|
|
}
|
|
|
|
clang::io::Emit32(Out, (ID << 1) | 0x01);
|
|
uint32_t Bits = (uint32_t)II->getObjCOrBuiltinID();
|
|
assert((Bits & 0xffff) == Bits && "ObjCOrBuiltinID too big for ASTReader.");
|
|
clang::io::Emit16(Out, Bits);
|
|
Bits = 0;
|
|
bool HadMacroDefinition = hadMacroDefinition(II, Macro);
|
|
Bits = (Bits << 1) | unsigned(HadMacroDefinition);
|
|
Bits = (Bits << 1) | unsigned(II->isExtensionToken());
|
|
Bits = (Bits << 1) | unsigned(II->isPoisoned());
|
|
Bits = (Bits << 1) | unsigned(II->hasRevertedTokenIDToIdentifier());
|
|
Bits = (Bits << 1) | unsigned(II->isCPlusPlusOperatorKeyword());
|
|
clang::io::Emit16(Out, Bits);
|
|
|
|
if (HadMacroDefinition) {
|
|
// Write all of the macro IDs associated with this identifier.
|
|
for (MacroInfo *M = Macro; M; M = M->getPreviousDefinition()) {
|
|
if (MacroID ID = Writer.getMacroRef(M))
|
|
clang::io::Emit32(Out, ID);
|
|
}
|
|
|
|
clang::io::Emit32(Out, 0);
|
|
}
|
|
|
|
// Emit the declaration IDs in reverse order, because the
|
|
// IdentifierResolver provides the declarations as they would be
|
|
// visible (e.g., the function "stat" would come before the struct
|
|
// "stat"), but the ASTReader adds declarations to the end of the list
|
|
// (so we need to see the struct "status" before the function "status").
|
|
// Only emit declarations that aren't from a chained PCH, though.
|
|
SmallVector<Decl *, 16> Decls(IdResolver.begin(II),
|
|
IdResolver.end());
|
|
for (SmallVector<Decl *, 16>::reverse_iterator D = Decls.rbegin(),
|
|
DEnd = Decls.rend();
|
|
D != DEnd; ++D)
|
|
clang::io::Emit32(Out, Writer.getDeclID(*D));
|
|
}
|
|
};
|
|
} // end anonymous namespace
|
|
|
|
/// \brief Write the identifier table into the AST file.
|
|
///
|
|
/// The identifier table consists of a blob containing string data
|
|
/// (the actual identifiers themselves) and a separate "offsets" index
|
|
/// that maps identifier IDs to locations within the blob.
|
|
void ASTWriter::WriteIdentifierTable(Preprocessor &PP,
|
|
IdentifierResolver &IdResolver,
|
|
bool IsModule) {
|
|
using namespace llvm;
|
|
|
|
// Create and write out the blob that contains the identifier
|
|
// strings.
|
|
{
|
|
OnDiskChainedHashTableGenerator<ASTIdentifierTableTrait> Generator;
|
|
ASTIdentifierTableTrait Trait(*this, PP, IdResolver, IsModule);
|
|
|
|
// Look for any identifiers that were named while processing the
|
|
// headers, but are otherwise not needed. We add these to the hash
|
|
// table to enable checking of the predefines buffer in the case
|
|
// where the user adds new macro definitions when building the AST
|
|
// file.
|
|
for (IdentifierTable::iterator ID = PP.getIdentifierTable().begin(),
|
|
IDEnd = PP.getIdentifierTable().end();
|
|
ID != IDEnd; ++ID)
|
|
getIdentifierRef(ID->second);
|
|
|
|
// Create the on-disk hash table representation. We only store offsets
|
|
// for identifiers that appear here for the first time.
|
|
IdentifierOffsets.resize(NextIdentID - FirstIdentID);
|
|
for (llvm::DenseMap<const IdentifierInfo *, IdentID>::iterator
|
|
ID = IdentifierIDs.begin(), IDEnd = IdentifierIDs.end();
|
|
ID != IDEnd; ++ID) {
|
|
assert(ID->first && "NULL identifier in identifier table");
|
|
if (!Chain || !ID->first->isFromAST() ||
|
|
ID->first->hasChangedSinceDeserialization())
|
|
Generator.insert(const_cast<IdentifierInfo *>(ID->first), ID->second,
|
|
Trait);
|
|
}
|
|
|
|
// Create the on-disk hash table in a buffer.
|
|
SmallString<4096> IdentifierTable;
|
|
uint32_t BucketOffset;
|
|
{
|
|
ASTIdentifierTableTrait Trait(*this, PP, IdResolver, IsModule);
|
|
llvm::raw_svector_ostream Out(IdentifierTable);
|
|
// Make sure that no bucket is at offset 0
|
|
clang::io::Emit32(Out, 0);
|
|
BucketOffset = Generator.Emit(Out, Trait);
|
|
}
|
|
|
|
// Create a blob abbreviation
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(IDENTIFIER_TABLE));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
|
|
unsigned IDTableAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
|
|
// Write the identifier table
|
|
RecordData Record;
|
|
Record.push_back(IDENTIFIER_TABLE);
|
|
Record.push_back(BucketOffset);
|
|
Stream.EmitRecordWithBlob(IDTableAbbrev, Record, IdentifierTable.str());
|
|
}
|
|
|
|
// Write the offsets table for identifier IDs.
|
|
BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(IDENTIFIER_OFFSET));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // # of identifiers
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // first ID
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
|
|
unsigned IdentifierOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
|
|
RecordData Record;
|
|
Record.push_back(IDENTIFIER_OFFSET);
|
|
Record.push_back(IdentifierOffsets.size());
|
|
Record.push_back(FirstIdentID - NUM_PREDEF_IDENT_IDS);
|
|
Stream.EmitRecordWithBlob(IdentifierOffsetAbbrev, Record,
|
|
data(IdentifierOffsets));
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// DeclContext's Name Lookup Table Serialization
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
namespace {
|
|
// Trait used for the on-disk hash table used in the method pool.
|
|
class ASTDeclContextNameLookupTrait {
|
|
ASTWriter &Writer;
|
|
|
|
public:
|
|
typedef DeclarationName key_type;
|
|
typedef key_type key_type_ref;
|
|
|
|
typedef DeclContext::lookup_result data_type;
|
|
typedef const data_type& data_type_ref;
|
|
|
|
explicit ASTDeclContextNameLookupTrait(ASTWriter &Writer) : Writer(Writer) { }
|
|
|
|
unsigned ComputeHash(DeclarationName Name) {
|
|
llvm::FoldingSetNodeID ID;
|
|
ID.AddInteger(Name.getNameKind());
|
|
|
|
switch (Name.getNameKind()) {
|
|
case DeclarationName::Identifier:
|
|
ID.AddString(Name.getAsIdentifierInfo()->getName());
|
|
break;
|
|
case DeclarationName::ObjCZeroArgSelector:
|
|
case DeclarationName::ObjCOneArgSelector:
|
|
case DeclarationName::ObjCMultiArgSelector:
|
|
ID.AddInteger(serialization::ComputeHash(Name.getObjCSelector()));
|
|
break;
|
|
case DeclarationName::CXXConstructorName:
|
|
case DeclarationName::CXXDestructorName:
|
|
case DeclarationName::CXXConversionFunctionName:
|
|
break;
|
|
case DeclarationName::CXXOperatorName:
|
|
ID.AddInteger(Name.getCXXOverloadedOperator());
|
|
break;
|
|
case DeclarationName::CXXLiteralOperatorName:
|
|
ID.AddString(Name.getCXXLiteralIdentifier()->getName());
|
|
case DeclarationName::CXXUsingDirective:
|
|
break;
|
|
}
|
|
|
|
return ID.ComputeHash();
|
|
}
|
|
|
|
std::pair<unsigned,unsigned>
|
|
EmitKeyDataLength(raw_ostream& Out, DeclarationName Name,
|
|
data_type_ref Lookup) {
|
|
unsigned KeyLen = 1;
|
|
switch (Name.getNameKind()) {
|
|
case DeclarationName::Identifier:
|
|
case DeclarationName::ObjCZeroArgSelector:
|
|
case DeclarationName::ObjCOneArgSelector:
|
|
case DeclarationName::ObjCMultiArgSelector:
|
|
case DeclarationName::CXXLiteralOperatorName:
|
|
KeyLen += 4;
|
|
break;
|
|
case DeclarationName::CXXOperatorName:
|
|
KeyLen += 1;
|
|
break;
|
|
case DeclarationName::CXXConstructorName:
|
|
case DeclarationName::CXXDestructorName:
|
|
case DeclarationName::CXXConversionFunctionName:
|
|
case DeclarationName::CXXUsingDirective:
|
|
break;
|
|
}
|
|
clang::io::Emit16(Out, KeyLen);
|
|
|
|
// 2 bytes for num of decls and 4 for each DeclID.
|
|
unsigned DataLen = 2 + 4 * Lookup.size();
|
|
clang::io::Emit16(Out, DataLen);
|
|
|
|
return std::make_pair(KeyLen, DataLen);
|
|
}
|
|
|
|
void EmitKey(raw_ostream& Out, DeclarationName Name, unsigned) {
|
|
using namespace clang::io;
|
|
|
|
Emit8(Out, Name.getNameKind());
|
|
switch (Name.getNameKind()) {
|
|
case DeclarationName::Identifier:
|
|
Emit32(Out, Writer.getIdentifierRef(Name.getAsIdentifierInfo()));
|
|
return;
|
|
case DeclarationName::ObjCZeroArgSelector:
|
|
case DeclarationName::ObjCOneArgSelector:
|
|
case DeclarationName::ObjCMultiArgSelector:
|
|
Emit32(Out, Writer.getSelectorRef(Name.getObjCSelector()));
|
|
return;
|
|
case DeclarationName::CXXOperatorName:
|
|
assert(Name.getCXXOverloadedOperator() < NUM_OVERLOADED_OPERATORS &&
|
|
"Invalid operator?");
|
|
Emit8(Out, Name.getCXXOverloadedOperator());
|
|
return;
|
|
case DeclarationName::CXXLiteralOperatorName:
|
|
Emit32(Out, Writer.getIdentifierRef(Name.getCXXLiteralIdentifier()));
|
|
return;
|
|
case DeclarationName::CXXConstructorName:
|
|
case DeclarationName::CXXDestructorName:
|
|
case DeclarationName::CXXConversionFunctionName:
|
|
case DeclarationName::CXXUsingDirective:
|
|
return;
|
|
}
|
|
|
|
llvm_unreachable("Invalid name kind?");
|
|
}
|
|
|
|
void EmitData(raw_ostream& Out, key_type_ref,
|
|
data_type Lookup, unsigned DataLen) {
|
|
uint64_t Start = Out.tell(); (void)Start;
|
|
clang::io::Emit16(Out, Lookup.size());
|
|
for (DeclContext::lookup_iterator I = Lookup.begin(), E = Lookup.end();
|
|
I != E; ++I)
|
|
clang::io::Emit32(Out, Writer.GetDeclRef(*I));
|
|
|
|
assert(Out.tell() - Start == DataLen && "Data length is wrong");
|
|
}
|
|
};
|
|
} // end anonymous namespace
|
|
|
|
/// \brief Write the block containing all of the declaration IDs
|
|
/// visible from the given DeclContext.
|
|
///
|
|
/// \returns the offset of the DECL_CONTEXT_VISIBLE block within the
|
|
/// bitstream, or 0 if no block was written.
|
|
uint64_t ASTWriter::WriteDeclContextVisibleBlock(ASTContext &Context,
|
|
DeclContext *DC) {
|
|
if (DC->getPrimaryContext() != DC)
|
|
return 0;
|
|
|
|
// Since there is no name lookup into functions or methods, don't bother to
|
|
// build a visible-declarations table for these entities.
|
|
if (DC->isFunctionOrMethod())
|
|
return 0;
|
|
|
|
// If not in C++, we perform name lookup for the translation unit via the
|
|
// IdentifierInfo chains, don't bother to build a visible-declarations table.
|
|
// FIXME: In C++ we need the visible declarations in order to "see" the
|
|
// friend declarations, is there a way to do this without writing the table ?
|
|
if (DC->isTranslationUnit() && !Context.getLangOpts().CPlusPlus)
|
|
return 0;
|
|
|
|
// Serialize the contents of the mapping used for lookup. Note that,
|
|
// although we have two very different code paths, the serialized
|
|
// representation is the same for both cases: a declaration name,
|
|
// followed by a size, followed by references to the visible
|
|
// declarations that have that name.
|
|
uint64_t Offset = Stream.GetCurrentBitNo();
|
|
StoredDeclsMap *Map = DC->buildLookup();
|
|
if (!Map || Map->empty())
|
|
return 0;
|
|
|
|
OnDiskChainedHashTableGenerator<ASTDeclContextNameLookupTrait> Generator;
|
|
ASTDeclContextNameLookupTrait Trait(*this);
|
|
|
|
// Create the on-disk hash table representation.
|
|
DeclarationName ConversionName;
|
|
SmallVector<NamedDecl *, 4> ConversionDecls;
|
|
for (StoredDeclsMap::iterator D = Map->begin(), DEnd = Map->end();
|
|
D != DEnd; ++D) {
|
|
DeclarationName Name = D->first;
|
|
DeclContext::lookup_result Result = D->second.getLookupResult();
|
|
if (!Result.empty()) {
|
|
if (Name.getNameKind() == DeclarationName::CXXConversionFunctionName) {
|
|
// Hash all conversion function names to the same name. The actual
|
|
// type information in conversion function name is not used in the
|
|
// key (since such type information is not stable across different
|
|
// modules), so the intended effect is to coalesce all of the conversion
|
|
// functions under a single key.
|
|
if (!ConversionName)
|
|
ConversionName = Name;
|
|
ConversionDecls.append(Result.begin(), Result.end());
|
|
continue;
|
|
}
|
|
|
|
Generator.insert(Name, Result, Trait);
|
|
}
|
|
}
|
|
|
|
// Add the conversion functions
|
|
if (!ConversionDecls.empty()) {
|
|
Generator.insert(ConversionName,
|
|
DeclContext::lookup_result(ConversionDecls.begin(),
|
|
ConversionDecls.end()),
|
|
Trait);
|
|
}
|
|
|
|
// Create the on-disk hash table in a buffer.
|
|
SmallString<4096> LookupTable;
|
|
uint32_t BucketOffset;
|
|
{
|
|
llvm::raw_svector_ostream Out(LookupTable);
|
|
// Make sure that no bucket is at offset 0
|
|
clang::io::Emit32(Out, 0);
|
|
BucketOffset = Generator.Emit(Out, Trait);
|
|
}
|
|
|
|
// Write the lookup table
|
|
RecordData Record;
|
|
Record.push_back(DECL_CONTEXT_VISIBLE);
|
|
Record.push_back(BucketOffset);
|
|
Stream.EmitRecordWithBlob(DeclContextVisibleLookupAbbrev, Record,
|
|
LookupTable.str());
|
|
|
|
Stream.EmitRecord(DECL_CONTEXT_VISIBLE, Record);
|
|
++NumVisibleDeclContexts;
|
|
return Offset;
|
|
}
|
|
|
|
/// \brief Write an UPDATE_VISIBLE block for the given context.
|
|
///
|
|
/// UPDATE_VISIBLE blocks contain the declarations that are added to an existing
|
|
/// DeclContext in a dependent AST file. As such, they only exist for the TU
|
|
/// (in C++), for namespaces, and for classes with forward-declared unscoped
|
|
/// enumeration members (in C++11).
|
|
void ASTWriter::WriteDeclContextVisibleUpdate(const DeclContext *DC) {
|
|
StoredDeclsMap *Map = static_cast<StoredDeclsMap*>(DC->getLookupPtr());
|
|
if (!Map || Map->empty())
|
|
return;
|
|
|
|
OnDiskChainedHashTableGenerator<ASTDeclContextNameLookupTrait> Generator;
|
|
ASTDeclContextNameLookupTrait Trait(*this);
|
|
|
|
// Create the hash table.
|
|
for (StoredDeclsMap::iterator D = Map->begin(), DEnd = Map->end();
|
|
D != DEnd; ++D) {
|
|
DeclarationName Name = D->first;
|
|
DeclContext::lookup_result Result = D->second.getLookupResult();
|
|
// For any name that appears in this table, the results are complete, i.e.
|
|
// they overwrite results from previous PCHs. Merging is always a mess.
|
|
if (!Result.empty())
|
|
Generator.insert(Name, Result, Trait);
|
|
}
|
|
|
|
// Create the on-disk hash table in a buffer.
|
|
SmallString<4096> LookupTable;
|
|
uint32_t BucketOffset;
|
|
{
|
|
llvm::raw_svector_ostream Out(LookupTable);
|
|
// Make sure that no bucket is at offset 0
|
|
clang::io::Emit32(Out, 0);
|
|
BucketOffset = Generator.Emit(Out, Trait);
|
|
}
|
|
|
|
// Write the lookup table
|
|
RecordData Record;
|
|
Record.push_back(UPDATE_VISIBLE);
|
|
Record.push_back(getDeclID(cast<Decl>(DC)));
|
|
Record.push_back(BucketOffset);
|
|
Stream.EmitRecordWithBlob(UpdateVisibleAbbrev, Record, LookupTable.str());
|
|
}
|
|
|
|
/// \brief Write an FP_PRAGMA_OPTIONS block for the given FPOptions.
|
|
void ASTWriter::WriteFPPragmaOptions(const FPOptions &Opts) {
|
|
RecordData Record;
|
|
Record.push_back(Opts.fp_contract);
|
|
Stream.EmitRecord(FP_PRAGMA_OPTIONS, Record);
|
|
}
|
|
|
|
/// \brief Write an OPENCL_EXTENSIONS block for the given OpenCLOptions.
|
|
void ASTWriter::WriteOpenCLExtensions(Sema &SemaRef) {
|
|
if (!SemaRef.Context.getLangOpts().OpenCL)
|
|
return;
|
|
|
|
const OpenCLOptions &Opts = SemaRef.getOpenCLOptions();
|
|
RecordData Record;
|
|
#define OPENCLEXT(nm) Record.push_back(Opts.nm);
|
|
#include "clang/Basic/OpenCLExtensions.def"
|
|
Stream.EmitRecord(OPENCL_EXTENSIONS, Record);
|
|
}
|
|
|
|
void ASTWriter::WriteRedeclarations() {
|
|
RecordData LocalRedeclChains;
|
|
SmallVector<serialization::LocalRedeclarationsInfo, 2> LocalRedeclsMap;
|
|
|
|
for (unsigned I = 0, N = Redeclarations.size(); I != N; ++I) {
|
|
Decl *First = Redeclarations[I];
|
|
assert(First->getPreviousDecl() == 0 && "Not the first declaration?");
|
|
|
|
Decl *MostRecent = First->getMostRecentDecl();
|
|
|
|
// If we only have a single declaration, there is no point in storing
|
|
// a redeclaration chain.
|
|
if (First == MostRecent)
|
|
continue;
|
|
|
|
unsigned Offset = LocalRedeclChains.size();
|
|
unsigned Size = 0;
|
|
LocalRedeclChains.push_back(0); // Placeholder for the size.
|
|
|
|
// Collect the set of local redeclarations of this declaration.
|
|
for (Decl *Prev = MostRecent; Prev != First;
|
|
Prev = Prev->getPreviousDecl()) {
|
|
if (!Prev->isFromASTFile()) {
|
|
AddDeclRef(Prev, LocalRedeclChains);
|
|
++Size;
|
|
}
|
|
}
|
|
LocalRedeclChains[Offset] = Size;
|
|
|
|
// Reverse the set of local redeclarations, so that we store them in
|
|
// order (since we found them in reverse order).
|
|
std::reverse(LocalRedeclChains.end() - Size, LocalRedeclChains.end());
|
|
|
|
// Add the mapping from the first ID to the set of local declarations.
|
|
LocalRedeclarationsInfo Info = { getDeclID(First), Offset };
|
|
LocalRedeclsMap.push_back(Info);
|
|
|
|
assert(N == Redeclarations.size() &&
|
|
"Deserialized a declaration we shouldn't have");
|
|
}
|
|
|
|
if (LocalRedeclChains.empty())
|
|
return;
|
|
|
|
// Sort the local redeclarations map by the first declaration ID,
|
|
// since the reader will be performing binary searches on this information.
|
|
llvm::array_pod_sort(LocalRedeclsMap.begin(), LocalRedeclsMap.end());
|
|
|
|
// Emit the local redeclarations map.
|
|
using namespace llvm;
|
|
llvm::BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(LOCAL_REDECLARATIONS_MAP));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // # of entries
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
|
|
unsigned AbbrevID = Stream.EmitAbbrev(Abbrev);
|
|
|
|
RecordData Record;
|
|
Record.push_back(LOCAL_REDECLARATIONS_MAP);
|
|
Record.push_back(LocalRedeclsMap.size());
|
|
Stream.EmitRecordWithBlob(AbbrevID, Record,
|
|
reinterpret_cast<char*>(LocalRedeclsMap.data()),
|
|
LocalRedeclsMap.size() * sizeof(LocalRedeclarationsInfo));
|
|
|
|
// Emit the redeclaration chains.
|
|
Stream.EmitRecord(LOCAL_REDECLARATIONS, LocalRedeclChains);
|
|
}
|
|
|
|
void ASTWriter::WriteObjCCategories() {
|
|
SmallVector<ObjCCategoriesInfo, 2> CategoriesMap;
|
|
RecordData Categories;
|
|
|
|
for (unsigned I = 0, N = ObjCClassesWithCategories.size(); I != N; ++I) {
|
|
unsigned Size = 0;
|
|
unsigned StartIndex = Categories.size();
|
|
|
|
ObjCInterfaceDecl *Class = ObjCClassesWithCategories[I];
|
|
|
|
// Allocate space for the size.
|
|
Categories.push_back(0);
|
|
|
|
// Add the categories.
|
|
for (ObjCCategoryDecl *Cat = Class->getCategoryList();
|
|
Cat; Cat = Cat->getNextClassCategory(), ++Size) {
|
|
assert(getDeclID(Cat) != 0 && "Bogus category");
|
|
AddDeclRef(Cat, Categories);
|
|
}
|
|
|
|
// Update the size.
|
|
Categories[StartIndex] = Size;
|
|
|
|
// Record this interface -> category map.
|
|
ObjCCategoriesInfo CatInfo = { getDeclID(Class), StartIndex };
|
|
CategoriesMap.push_back(CatInfo);
|
|
}
|
|
|
|
// Sort the categories map by the definition ID, since the reader will be
|
|
// performing binary searches on this information.
|
|
llvm::array_pod_sort(CategoriesMap.begin(), CategoriesMap.end());
|
|
|
|
// Emit the categories map.
|
|
using namespace llvm;
|
|
llvm::BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(OBJC_CATEGORIES_MAP));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // # of entries
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
|
|
unsigned AbbrevID = Stream.EmitAbbrev(Abbrev);
|
|
|
|
RecordData Record;
|
|
Record.push_back(OBJC_CATEGORIES_MAP);
|
|
Record.push_back(CategoriesMap.size());
|
|
Stream.EmitRecordWithBlob(AbbrevID, Record,
|
|
reinterpret_cast<char*>(CategoriesMap.data()),
|
|
CategoriesMap.size() * sizeof(ObjCCategoriesInfo));
|
|
|
|
// Emit the category lists.
|
|
Stream.EmitRecord(OBJC_CATEGORIES, Categories);
|
|
}
|
|
|
|
void ASTWriter::WriteMergedDecls() {
|
|
if (!Chain || Chain->MergedDecls.empty())
|
|
return;
|
|
|
|
RecordData Record;
|
|
for (ASTReader::MergedDeclsMap::iterator I = Chain->MergedDecls.begin(),
|
|
IEnd = Chain->MergedDecls.end();
|
|
I != IEnd; ++I) {
|
|
DeclID CanonID = I->first->isFromASTFile()? I->first->getGlobalID()
|
|
: getDeclID(I->first);
|
|
assert(CanonID && "Merged declaration not known?");
|
|
|
|
Record.push_back(CanonID);
|
|
Record.push_back(I->second.size());
|
|
Record.append(I->second.begin(), I->second.end());
|
|
}
|
|
Stream.EmitRecord(MERGED_DECLARATIONS, Record);
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// General Serialization Routines
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
/// \brief Write a record containing the given attributes.
|
|
void ASTWriter::WriteAttributes(ArrayRef<const Attr*> Attrs,
|
|
RecordDataImpl &Record) {
|
|
Record.push_back(Attrs.size());
|
|
for (ArrayRef<const Attr *>::iterator i = Attrs.begin(),
|
|
e = Attrs.end(); i != e; ++i){
|
|
const Attr *A = *i;
|
|
Record.push_back(A->getKind()); // FIXME: stable encoding, target attrs
|
|
AddSourceRange(A->getRange(), Record);
|
|
|
|
#include "clang/Serialization/AttrPCHWrite.inc"
|
|
|
|
}
|
|
}
|
|
|
|
void ASTWriter::AddString(StringRef Str, RecordDataImpl &Record) {
|
|
Record.push_back(Str.size());
|
|
Record.insert(Record.end(), Str.begin(), Str.end());
|
|
}
|
|
|
|
void ASTWriter::AddVersionTuple(const VersionTuple &Version,
|
|
RecordDataImpl &Record) {
|
|
Record.push_back(Version.getMajor());
|
|
if (llvm::Optional<unsigned> Minor = Version.getMinor())
|
|
Record.push_back(*Minor + 1);
|
|
else
|
|
Record.push_back(0);
|
|
if (llvm::Optional<unsigned> Subminor = Version.getSubminor())
|
|
Record.push_back(*Subminor + 1);
|
|
else
|
|
Record.push_back(0);
|
|
}
|
|
|
|
/// \brief Note that the identifier II occurs at the given offset
|
|
/// within the identifier table.
|
|
void ASTWriter::SetIdentifierOffset(const IdentifierInfo *II, uint32_t Offset) {
|
|
IdentID ID = IdentifierIDs[II];
|
|
// Only store offsets new to this AST file. Other identifier names are looked
|
|
// up earlier in the chain and thus don't need an offset.
|
|
if (ID >= FirstIdentID)
|
|
IdentifierOffsets[ID - FirstIdentID] = Offset;
|
|
}
|
|
|
|
/// \brief Note that the selector Sel occurs at the given offset
|
|
/// within the method pool/selector table.
|
|
void ASTWriter::SetSelectorOffset(Selector Sel, uint32_t Offset) {
|
|
unsigned ID = SelectorIDs[Sel];
|
|
assert(ID && "Unknown selector");
|
|
// Don't record offsets for selectors that are also available in a different
|
|
// file.
|
|
if (ID < FirstSelectorID)
|
|
return;
|
|
SelectorOffsets[ID - FirstSelectorID] = Offset;
|
|
}
|
|
|
|
ASTWriter::ASTWriter(llvm::BitstreamWriter &Stream)
|
|
: Stream(Stream), Context(0), PP(0), Chain(0), WritingModule(0),
|
|
WritingAST(false), DoneWritingDeclsAndTypes(false),
|
|
ASTHasCompilerErrors(false),
|
|
FirstDeclID(NUM_PREDEF_DECL_IDS), NextDeclID(FirstDeclID),
|
|
FirstTypeID(NUM_PREDEF_TYPE_IDS), NextTypeID(FirstTypeID),
|
|
FirstIdentID(NUM_PREDEF_IDENT_IDS), NextIdentID(FirstIdentID),
|
|
FirstMacroID(NUM_PREDEF_MACRO_IDS), NextMacroID(FirstMacroID),
|
|
FirstSubmoduleID(NUM_PREDEF_SUBMODULE_IDS),
|
|
NextSubmoduleID(FirstSubmoduleID),
|
|
FirstSelectorID(NUM_PREDEF_SELECTOR_IDS), NextSelectorID(FirstSelectorID),
|
|
CollectedStmts(&StmtsToEmit),
|
|
NumStatements(0), NumMacros(0), NumLexicalDeclContexts(0),
|
|
NumVisibleDeclContexts(0),
|
|
NextCXXBaseSpecifiersID(1),
|
|
DeclParmVarAbbrev(0), DeclContextLexicalAbbrev(0),
|
|
DeclContextVisibleLookupAbbrev(0), UpdateVisibleAbbrev(0),
|
|
DeclRefExprAbbrev(0), CharacterLiteralAbbrev(0),
|
|
DeclRecordAbbrev(0), IntegerLiteralAbbrev(0),
|
|
DeclTypedefAbbrev(0),
|
|
DeclVarAbbrev(0), DeclFieldAbbrev(0),
|
|
DeclEnumAbbrev(0), DeclObjCIvarAbbrev(0)
|
|
{
|
|
}
|
|
|
|
ASTWriter::~ASTWriter() {
|
|
for (FileDeclIDsTy::iterator
|
|
I = FileDeclIDs.begin(), E = FileDeclIDs.end(); I != E; ++I)
|
|
delete I->second;
|
|
}
|
|
|
|
void ASTWriter::WriteAST(Sema &SemaRef,
|
|
const std::string &OutputFile,
|
|
Module *WritingModule, StringRef isysroot,
|
|
bool hasErrors) {
|
|
WritingAST = true;
|
|
|
|
ASTHasCompilerErrors = hasErrors;
|
|
|
|
// Emit the file header.
|
|
Stream.Emit((unsigned)'C', 8);
|
|
Stream.Emit((unsigned)'P', 8);
|
|
Stream.Emit((unsigned)'C', 8);
|
|
Stream.Emit((unsigned)'H', 8);
|
|
|
|
WriteBlockInfoBlock();
|
|
|
|
Context = &SemaRef.Context;
|
|
PP = &SemaRef.PP;
|
|
this->WritingModule = WritingModule;
|
|
WriteASTCore(SemaRef, isysroot, OutputFile, WritingModule);
|
|
Context = 0;
|
|
PP = 0;
|
|
this->WritingModule = 0;
|
|
|
|
WritingAST = false;
|
|
}
|
|
|
|
template<typename Vector>
|
|
static void AddLazyVectorDecls(ASTWriter &Writer, Vector &Vec,
|
|
ASTWriter::RecordData &Record) {
|
|
for (typename Vector::iterator I = Vec.begin(0, true), E = Vec.end();
|
|
I != E; ++I) {
|
|
Writer.AddDeclRef(*I, Record);
|
|
}
|
|
}
|
|
|
|
void ASTWriter::WriteASTCore(Sema &SemaRef,
|
|
StringRef isysroot,
|
|
const std::string &OutputFile,
|
|
Module *WritingModule) {
|
|
using namespace llvm;
|
|
|
|
// Make sure that the AST reader knows to finalize itself.
|
|
if (Chain)
|
|
Chain->finalizeForWriting();
|
|
|
|
ASTContext &Context = SemaRef.Context;
|
|
Preprocessor &PP = SemaRef.PP;
|
|
|
|
// Set up predefined declaration IDs.
|
|
DeclIDs[Context.getTranslationUnitDecl()] = PREDEF_DECL_TRANSLATION_UNIT_ID;
|
|
if (Context.ObjCIdDecl)
|
|
DeclIDs[Context.ObjCIdDecl] = PREDEF_DECL_OBJC_ID_ID;
|
|
if (Context.ObjCSelDecl)
|
|
DeclIDs[Context.ObjCSelDecl] = PREDEF_DECL_OBJC_SEL_ID;
|
|
if (Context.ObjCClassDecl)
|
|
DeclIDs[Context.ObjCClassDecl] = PREDEF_DECL_OBJC_CLASS_ID;
|
|
if (Context.ObjCProtocolClassDecl)
|
|
DeclIDs[Context.ObjCProtocolClassDecl] = PREDEF_DECL_OBJC_PROTOCOL_ID;
|
|
if (Context.Int128Decl)
|
|
DeclIDs[Context.Int128Decl] = PREDEF_DECL_INT_128_ID;
|
|
if (Context.UInt128Decl)
|
|
DeclIDs[Context.UInt128Decl] = PREDEF_DECL_UNSIGNED_INT_128_ID;
|
|
if (Context.ObjCInstanceTypeDecl)
|
|
DeclIDs[Context.ObjCInstanceTypeDecl] = PREDEF_DECL_OBJC_INSTANCETYPE_ID;
|
|
if (Context.BuiltinVaListDecl)
|
|
DeclIDs[Context.getBuiltinVaListDecl()] = PREDEF_DECL_BUILTIN_VA_LIST_ID;
|
|
|
|
if (!Chain) {
|
|
// Make sure that we emit IdentifierInfos (and any attached
|
|
// declarations) for builtins. We don't need to do this when we're
|
|
// emitting chained PCH files, because all of the builtins will be
|
|
// in the original PCH file.
|
|
// FIXME: Modules won't like this at all.
|
|
IdentifierTable &Table = PP.getIdentifierTable();
|
|
SmallVector<const char *, 32> BuiltinNames;
|
|
Context.BuiltinInfo.GetBuiltinNames(BuiltinNames,
|
|
Context.getLangOpts().NoBuiltin);
|
|
for (unsigned I = 0, N = BuiltinNames.size(); I != N; ++I)
|
|
getIdentifierRef(&Table.get(BuiltinNames[I]));
|
|
}
|
|
|
|
// If there are any out-of-date identifiers, bring them up to date.
|
|
if (ExternalPreprocessorSource *ExtSource = PP.getExternalSource()) {
|
|
// Find out-of-date identifiers.
|
|
SmallVector<IdentifierInfo *, 4> OutOfDate;
|
|
for (IdentifierTable::iterator ID = PP.getIdentifierTable().begin(),
|
|
IDEnd = PP.getIdentifierTable().end();
|
|
ID != IDEnd; ++ID) {
|
|
if (ID->second->isOutOfDate())
|
|
OutOfDate.push_back(ID->second);
|
|
}
|
|
|
|
// Update the out-of-date identifiers.
|
|
for (unsigned I = 0, N = OutOfDate.size(); I != N; ++I) {
|
|
ExtSource->updateOutOfDateIdentifier(*OutOfDate[I]);
|
|
}
|
|
}
|
|
|
|
// Build a record containing all of the tentative definitions in this file, in
|
|
// TentativeDefinitions order. Generally, this record will be empty for
|
|
// headers.
|
|
RecordData TentativeDefinitions;
|
|
AddLazyVectorDecls(*this, SemaRef.TentativeDefinitions, TentativeDefinitions);
|
|
|
|
// Build a record containing all of the file scoped decls in this file.
|
|
RecordData UnusedFileScopedDecls;
|
|
AddLazyVectorDecls(*this, SemaRef.UnusedFileScopedDecls,
|
|
UnusedFileScopedDecls);
|
|
|
|
// Build a record containing all of the delegating constructors we still need
|
|
// to resolve.
|
|
RecordData DelegatingCtorDecls;
|
|
AddLazyVectorDecls(*this, SemaRef.DelegatingCtorDecls, DelegatingCtorDecls);
|
|
|
|
// Write the set of weak, undeclared identifiers. We always write the
|
|
// entire table, since later PCH files in a PCH chain are only interested in
|
|
// the results at the end of the chain.
|
|
RecordData WeakUndeclaredIdentifiers;
|
|
if (!SemaRef.WeakUndeclaredIdentifiers.empty()) {
|
|
for (llvm::DenseMap<IdentifierInfo*,WeakInfo>::iterator
|
|
I = SemaRef.WeakUndeclaredIdentifiers.begin(),
|
|
E = SemaRef.WeakUndeclaredIdentifiers.end(); I != E; ++I) {
|
|
AddIdentifierRef(I->first, WeakUndeclaredIdentifiers);
|
|
AddIdentifierRef(I->second.getAlias(), WeakUndeclaredIdentifiers);
|
|
AddSourceLocation(I->second.getLocation(), WeakUndeclaredIdentifiers);
|
|
WeakUndeclaredIdentifiers.push_back(I->second.getUsed());
|
|
}
|
|
}
|
|
|
|
// Build a record containing all of the locally-scoped extern "C"
|
|
// declarations in this header file. Generally, this record will be
|
|
// empty.
|
|
RecordData LocallyScopedExternCDecls;
|
|
// FIXME: This is filling in the AST file in densemap order which is
|
|
// nondeterminstic!
|
|
for (llvm::DenseMap<DeclarationName, NamedDecl *>::iterator
|
|
TD = SemaRef.LocallyScopedExternCDecls.begin(),
|
|
TDEnd = SemaRef.LocallyScopedExternCDecls.end();
|
|
TD != TDEnd; ++TD) {
|
|
if (!TD->second->isFromASTFile())
|
|
AddDeclRef(TD->second, LocallyScopedExternCDecls);
|
|
}
|
|
|
|
// Build a record containing all of the ext_vector declarations.
|
|
RecordData ExtVectorDecls;
|
|
AddLazyVectorDecls(*this, SemaRef.ExtVectorDecls, ExtVectorDecls);
|
|
|
|
// Build a record containing all of the VTable uses information.
|
|
RecordData VTableUses;
|
|
if (!SemaRef.VTableUses.empty()) {
|
|
for (unsigned I = 0, N = SemaRef.VTableUses.size(); I != N; ++I) {
|
|
AddDeclRef(SemaRef.VTableUses[I].first, VTableUses);
|
|
AddSourceLocation(SemaRef.VTableUses[I].second, VTableUses);
|
|
VTableUses.push_back(SemaRef.VTablesUsed[SemaRef.VTableUses[I].first]);
|
|
}
|
|
}
|
|
|
|
// Build a record containing all of dynamic classes declarations.
|
|
RecordData DynamicClasses;
|
|
AddLazyVectorDecls(*this, SemaRef.DynamicClasses, DynamicClasses);
|
|
|
|
// Build a record containing all of pending implicit instantiations.
|
|
RecordData PendingInstantiations;
|
|
for (std::deque<Sema::PendingImplicitInstantiation>::iterator
|
|
I = SemaRef.PendingInstantiations.begin(),
|
|
N = SemaRef.PendingInstantiations.end(); I != N; ++I) {
|
|
AddDeclRef(I->first, PendingInstantiations);
|
|
AddSourceLocation(I->second, PendingInstantiations);
|
|
}
|
|
assert(SemaRef.PendingLocalImplicitInstantiations.empty() &&
|
|
"There are local ones at end of translation unit!");
|
|
|
|
// Build a record containing some declaration references.
|
|
RecordData SemaDeclRefs;
|
|
if (SemaRef.StdNamespace || SemaRef.StdBadAlloc) {
|
|
AddDeclRef(SemaRef.getStdNamespace(), SemaDeclRefs);
|
|
AddDeclRef(SemaRef.getStdBadAlloc(), SemaDeclRefs);
|
|
}
|
|
|
|
RecordData CUDASpecialDeclRefs;
|
|
if (Context.getcudaConfigureCallDecl()) {
|
|
AddDeclRef(Context.getcudaConfigureCallDecl(), CUDASpecialDeclRefs);
|
|
}
|
|
|
|
// Build a record containing all of the known namespaces.
|
|
RecordData KnownNamespaces;
|
|
for (llvm::DenseMap<NamespaceDecl*, bool>::iterator
|
|
I = SemaRef.KnownNamespaces.begin(),
|
|
IEnd = SemaRef.KnownNamespaces.end();
|
|
I != IEnd; ++I) {
|
|
if (!I->second)
|
|
AddDeclRef(I->first, KnownNamespaces);
|
|
}
|
|
|
|
// Write the control block
|
|
WriteControlBlock(PP, Context, isysroot, OutputFile);
|
|
|
|
// Write the remaining AST contents.
|
|
RecordData Record;
|
|
Stream.EnterSubblock(AST_BLOCK_ID, 5);
|
|
|
|
// This is so that older clang versions, before the introduction
|
|
// of the control block, can read and reject the newer PCH format.
|
|
Record.clear();
|
|
Record.push_back(VERSION_MAJOR);
|
|
Stream.EmitRecord(METADATA_OLD_FORMAT, Record);
|
|
|
|
// Create a lexical update block containing all of the declarations in the
|
|
// translation unit that do not come from other AST files.
|
|
const TranslationUnitDecl *TU = Context.getTranslationUnitDecl();
|
|
SmallVector<KindDeclIDPair, 64> NewGlobalDecls;
|
|
for (DeclContext::decl_iterator I = TU->noload_decls_begin(),
|
|
E = TU->noload_decls_end();
|
|
I != E; ++I) {
|
|
if (!(*I)->isFromASTFile())
|
|
NewGlobalDecls.push_back(std::make_pair((*I)->getKind(), GetDeclRef(*I)));
|
|
}
|
|
|
|
llvm::BitCodeAbbrev *Abv = new llvm::BitCodeAbbrev();
|
|
Abv->Add(llvm::BitCodeAbbrevOp(TU_UPDATE_LEXICAL));
|
|
Abv->Add(llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Blob));
|
|
unsigned TuUpdateLexicalAbbrev = Stream.EmitAbbrev(Abv);
|
|
Record.clear();
|
|
Record.push_back(TU_UPDATE_LEXICAL);
|
|
Stream.EmitRecordWithBlob(TuUpdateLexicalAbbrev, Record,
|
|
data(NewGlobalDecls));
|
|
|
|
// And a visible updates block for the translation unit.
|
|
Abv = new llvm::BitCodeAbbrev();
|
|
Abv->Add(llvm::BitCodeAbbrevOp(UPDATE_VISIBLE));
|
|
Abv->Add(llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::VBR, 6));
|
|
Abv->Add(llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed, 32));
|
|
Abv->Add(llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Blob));
|
|
UpdateVisibleAbbrev = Stream.EmitAbbrev(Abv);
|
|
WriteDeclContextVisibleUpdate(TU);
|
|
|
|
// If the translation unit has an anonymous namespace, and we don't already
|
|
// have an update block for it, write it as an update block.
|
|
if (NamespaceDecl *NS = TU->getAnonymousNamespace()) {
|
|
ASTWriter::UpdateRecord &Record = DeclUpdates[TU];
|
|
if (Record.empty()) {
|
|
Record.push_back(UPD_CXX_ADDED_ANONYMOUS_NAMESPACE);
|
|
Record.push_back(reinterpret_cast<uint64_t>(NS));
|
|
}
|
|
}
|
|
|
|
// Make sure visible decls, added to DeclContexts previously loaded from
|
|
// an AST file, are registered for serialization.
|
|
for (SmallVector<const Decl *, 16>::iterator
|
|
I = UpdatingVisibleDecls.begin(),
|
|
E = UpdatingVisibleDecls.end(); I != E; ++I) {
|
|
GetDeclRef(*I);
|
|
}
|
|
|
|
// Resolve any declaration pointers within the declaration updates block.
|
|
ResolveDeclUpdatesBlocks();
|
|
|
|
// Form the record of special types.
|
|
RecordData SpecialTypes;
|
|
AddTypeRef(Context.getRawCFConstantStringType(), SpecialTypes);
|
|
AddTypeRef(Context.getFILEType(), SpecialTypes);
|
|
AddTypeRef(Context.getjmp_bufType(), SpecialTypes);
|
|
AddTypeRef(Context.getsigjmp_bufType(), SpecialTypes);
|
|
AddTypeRef(Context.ObjCIdRedefinitionType, SpecialTypes);
|
|
AddTypeRef(Context.ObjCClassRedefinitionType, SpecialTypes);
|
|
AddTypeRef(Context.ObjCSelRedefinitionType, SpecialTypes);
|
|
AddTypeRef(Context.getucontext_tType(), SpecialTypes);
|
|
|
|
// Keep writing types and declarations until all types and
|
|
// declarations have been written.
|
|
Stream.EnterSubblock(DECLTYPES_BLOCK_ID, NUM_ALLOWED_ABBREVS_SIZE);
|
|
WriteDeclsBlockAbbrevs();
|
|
for (DeclsToRewriteTy::iterator I = DeclsToRewrite.begin(),
|
|
E = DeclsToRewrite.end();
|
|
I != E; ++I)
|
|
DeclTypesToEmit.push(const_cast<Decl*>(*I));
|
|
while (!DeclTypesToEmit.empty()) {
|
|
DeclOrType DOT = DeclTypesToEmit.front();
|
|
DeclTypesToEmit.pop();
|
|
if (DOT.isType())
|
|
WriteType(DOT.getType());
|
|
else
|
|
WriteDecl(Context, DOT.getDecl());
|
|
}
|
|
Stream.ExitBlock();
|
|
|
|
DoneWritingDeclsAndTypes = true;
|
|
|
|
WriteFileDeclIDsMap();
|
|
WriteSourceManagerBlock(Context.getSourceManager(), PP, isysroot);
|
|
WriteComments();
|
|
|
|
if (Chain) {
|
|
// Write the mapping information describing our module dependencies and how
|
|
// each of those modules were mapped into our own offset/ID space, so that
|
|
// the reader can build the appropriate mapping to its own offset/ID space.
|
|
// The map consists solely of a blob with the following format:
|
|
// *(module-name-len:i16 module-name:len*i8
|
|
// source-location-offset:i32
|
|
// identifier-id:i32
|
|
// preprocessed-entity-id:i32
|
|
// macro-definition-id:i32
|
|
// submodule-id:i32
|
|
// selector-id:i32
|
|
// declaration-id:i32
|
|
// c++-base-specifiers-id:i32
|
|
// type-id:i32)
|
|
//
|
|
llvm::BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
|
|
Abbrev->Add(BitCodeAbbrevOp(MODULE_OFFSET_MAP));
|
|
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
|
|
unsigned ModuleOffsetMapAbbrev = Stream.EmitAbbrev(Abbrev);
|
|
SmallString<2048> Buffer;
|
|
{
|
|
llvm::raw_svector_ostream Out(Buffer);
|
|
for (ModuleManager::ModuleConstIterator M = Chain->ModuleMgr.begin(),
|
|
MEnd = Chain->ModuleMgr.end();
|
|
M != MEnd; ++M) {
|
|
StringRef FileName = (*M)->FileName;
|
|
io::Emit16(Out, FileName.size());
|
|
Out.write(FileName.data(), FileName.size());
|
|
io::Emit32(Out, (*M)->SLocEntryBaseOffset);
|
|
io::Emit32(Out, (*M)->BaseIdentifierID);
|
|
io::Emit32(Out, (*M)->BaseMacroID);
|
|
io::Emit32(Out, (*M)->BasePreprocessedEntityID);
|
|
io::Emit32(Out, (*M)->BaseSubmoduleID);
|
|
io::Emit32(Out, (*M)->BaseSelectorID);
|
|
io::Emit32(Out, (*M)->BaseDeclID);
|
|
io::Emit32(Out, (*M)->BaseTypeIndex);
|
|
}
|
|
}
|
|
Record.clear();
|
|
Record.push_back(MODULE_OFFSET_MAP);
|
|
Stream.EmitRecordWithBlob(ModuleOffsetMapAbbrev, Record,
|
|
Buffer.data(), Buffer.size());
|
|
}
|
|
WritePreprocessor(PP, WritingModule != 0);
|
|
WriteHeaderSearch(PP.getHeaderSearchInfo(), isysroot);
|
|
WriteSelectors(SemaRef);
|
|
WriteReferencedSelectorsPool(SemaRef);
|
|
WriteIdentifierTable(PP, SemaRef.IdResolver, WritingModule != 0);
|
|
WriteFPPragmaOptions(SemaRef.getFPOptions());
|
|
WriteOpenCLExtensions(SemaRef);
|
|
|
|
WriteTypeDeclOffsets();
|
|
WritePragmaDiagnosticMappings(Context.getDiagnostics());
|
|
|
|
WriteCXXBaseSpecifiersOffsets();
|
|
|
|
// If we're emitting a module, write out the submodule information.
|
|
if (WritingModule)
|
|
WriteSubmodules(WritingModule);
|
|
|
|
Stream.EmitRecord(SPECIAL_TYPES, SpecialTypes);
|
|
|
|
// Write the record containing external, unnamed definitions.
|
|
if (!ExternalDefinitions.empty())
|
|
Stream.EmitRecord(EXTERNAL_DEFINITIONS, ExternalDefinitions);
|
|
|
|
// Write the record containing tentative definitions.
|
|
if (!TentativeDefinitions.empty())
|
|
Stream.EmitRecord(TENTATIVE_DEFINITIONS, TentativeDefinitions);
|
|
|
|
// Write the record containing unused file scoped decls.
|
|
if (!UnusedFileScopedDecls.empty())
|
|
Stream.EmitRecord(UNUSED_FILESCOPED_DECLS, UnusedFileScopedDecls);
|
|
|
|
// Write the record containing weak undeclared identifiers.
|
|
if (!WeakUndeclaredIdentifiers.empty())
|
|
Stream.EmitRecord(WEAK_UNDECLARED_IDENTIFIERS,
|
|
WeakUndeclaredIdentifiers);
|
|
|
|
// Write the record containing locally-scoped extern "C" definitions.
|
|
if (!LocallyScopedExternCDecls.empty())
|
|
Stream.EmitRecord(LOCALLY_SCOPED_EXTERN_C_DECLS,
|
|
LocallyScopedExternCDecls);
|
|
|
|
// Write the record containing ext_vector type names.
|
|
if (!ExtVectorDecls.empty())
|
|
Stream.EmitRecord(EXT_VECTOR_DECLS, ExtVectorDecls);
|
|
|
|
// Write the record containing VTable uses information.
|
|
if (!VTableUses.empty())
|
|
Stream.EmitRecord(VTABLE_USES, VTableUses);
|
|
|
|
// Write the record containing dynamic classes declarations.
|
|
if (!DynamicClasses.empty())
|
|
Stream.EmitRecord(DYNAMIC_CLASSES, DynamicClasses);
|
|
|
|
// Write the record containing pending implicit instantiations.
|
|
if (!PendingInstantiations.empty())
|
|
Stream.EmitRecord(PENDING_IMPLICIT_INSTANTIATIONS, PendingInstantiations);
|
|
|
|
// Write the record containing declaration references of Sema.
|
|
if (!SemaDeclRefs.empty())
|
|
Stream.EmitRecord(SEMA_DECL_REFS, SemaDeclRefs);
|
|
|
|
// Write the record containing CUDA-specific declaration references.
|
|
if (!CUDASpecialDeclRefs.empty())
|
|
Stream.EmitRecord(CUDA_SPECIAL_DECL_REFS, CUDASpecialDeclRefs);
|
|
|
|
// Write the delegating constructors.
|
|
if (!DelegatingCtorDecls.empty())
|
|
Stream.EmitRecord(DELEGATING_CTORS, DelegatingCtorDecls);
|
|
|
|
// Write the known namespaces.
|
|
if (!KnownNamespaces.empty())
|
|
Stream.EmitRecord(KNOWN_NAMESPACES, KnownNamespaces);
|
|
|
|
// Write the visible updates to DeclContexts.
|
|
for (llvm::SmallPtrSet<const DeclContext *, 16>::iterator
|
|
I = UpdatedDeclContexts.begin(),
|
|
E = UpdatedDeclContexts.end();
|
|
I != E; ++I)
|
|
WriteDeclContextVisibleUpdate(*I);
|
|
|
|
if (!WritingModule) {
|
|
// Write the submodules that were imported, if any.
|
|
RecordData ImportedModules;
|
|
for (ASTContext::import_iterator I = Context.local_import_begin(),
|
|
IEnd = Context.local_import_end();
|
|
I != IEnd; ++I) {
|
|
assert(SubmoduleIDs.find(I->getImportedModule()) != SubmoduleIDs.end());
|
|
ImportedModules.push_back(SubmoduleIDs[I->getImportedModule()]);
|
|
}
|
|
if (!ImportedModules.empty()) {
|
|
// Sort module IDs.
|
|
llvm::array_pod_sort(ImportedModules.begin(), ImportedModules.end());
|
|
|
|
// Unique module IDs.
|
|
ImportedModules.erase(std::unique(ImportedModules.begin(),
|
|
ImportedModules.end()),
|
|
ImportedModules.end());
|
|
|
|
Stream.EmitRecord(IMPORTED_MODULES, ImportedModules);
|
|
}
|
|
}
|
|
|
|
WriteMacroUpdates();
|
|
WriteDeclUpdatesBlocks();
|
|
WriteDeclReplacementsBlock();
|
|
WriteMergedDecls();
|
|
WriteRedeclarations();
|
|
WriteObjCCategories();
|
|
|
|
// Some simple statistics
|
|
Record.clear();
|
|
Record.push_back(NumStatements);
|
|
Record.push_back(NumMacros);
|
|
Record.push_back(NumLexicalDeclContexts);
|
|
Record.push_back(NumVisibleDeclContexts);
|
|
Stream.EmitRecord(STATISTICS, Record);
|
|
Stream.ExitBlock();
|
|
}
|
|
|
|
void ASTWriter::WriteMacroUpdates() {
|
|
if (MacroUpdates.empty())
|
|
return;
|
|
|
|
RecordData Record;
|
|
for (MacroUpdatesMap::iterator I = MacroUpdates.begin(),
|
|
E = MacroUpdates.end();
|
|
I != E; ++I) {
|
|
addMacroRef(I->first, Record);
|
|
AddSourceLocation(I->second.UndefLoc, Record);
|
|
Record.push_back(inferSubmoduleIDFromLocation(I->second.UndefLoc));
|
|
}
|
|
Stream.EmitRecord(MACRO_UPDATES, Record);
|
|
}
|
|
|
|
/// \brief Go through the declaration update blocks and resolve declaration
|
|
/// pointers into declaration IDs.
|
|
void ASTWriter::ResolveDeclUpdatesBlocks() {
|
|
for (DeclUpdateMap::iterator
|
|
I = DeclUpdates.begin(), E = DeclUpdates.end(); I != E; ++I) {
|
|
const Decl *D = I->first;
|
|
UpdateRecord &URec = I->second;
|
|
|
|
if (isRewritten(D))
|
|
continue; // The decl will be written completely
|
|
|
|
unsigned Idx = 0, N = URec.size();
|
|
while (Idx < N) {
|
|
switch ((DeclUpdateKind)URec[Idx++]) {
|
|
case UPD_CXX_ADDED_IMPLICIT_MEMBER:
|
|
case UPD_CXX_ADDED_TEMPLATE_SPECIALIZATION:
|
|
case UPD_CXX_ADDED_ANONYMOUS_NAMESPACE:
|
|
URec[Idx] = GetDeclRef(reinterpret_cast<Decl *>(URec[Idx]));
|
|
++Idx;
|
|
break;
|
|
|
|
case UPD_CXX_INSTANTIATED_STATIC_DATA_MEMBER:
|
|
++Idx;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void ASTWriter::WriteDeclUpdatesBlocks() {
|
|
if (DeclUpdates.empty())
|
|
return;
|
|
|
|
RecordData OffsetsRecord;
|
|
Stream.EnterSubblock(DECL_UPDATES_BLOCK_ID, NUM_ALLOWED_ABBREVS_SIZE);
|
|
for (DeclUpdateMap::iterator
|
|
I = DeclUpdates.begin(), E = DeclUpdates.end(); I != E; ++I) {
|
|
const Decl *D = I->first;
|
|
UpdateRecord &URec = I->second;
|
|
|
|
if (isRewritten(D))
|
|
continue; // The decl will be written completely,no need to store updates.
|
|
|
|
uint64_t Offset = Stream.GetCurrentBitNo();
|
|
Stream.EmitRecord(DECL_UPDATES, URec);
|
|
|
|
OffsetsRecord.push_back(GetDeclRef(D));
|
|
OffsetsRecord.push_back(Offset);
|
|
}
|
|
Stream.ExitBlock();
|
|
Stream.EmitRecord(DECL_UPDATE_OFFSETS, OffsetsRecord);
|
|
}
|
|
|
|
void ASTWriter::WriteDeclReplacementsBlock() {
|
|
if (ReplacedDecls.empty())
|
|
return;
|
|
|
|
RecordData Record;
|
|
for (SmallVector<ReplacedDeclInfo, 16>::iterator
|
|
I = ReplacedDecls.begin(), E = ReplacedDecls.end(); I != E; ++I) {
|
|
Record.push_back(I->ID);
|
|
Record.push_back(I->Offset);
|
|
Record.push_back(I->Loc);
|
|
}
|
|
Stream.EmitRecord(DECL_REPLACEMENTS, Record);
|
|
}
|
|
|
|
void ASTWriter::AddSourceLocation(SourceLocation Loc, RecordDataImpl &Record) {
|
|
Record.push_back(Loc.getRawEncoding());
|
|
}
|
|
|
|
void ASTWriter::AddSourceRange(SourceRange Range, RecordDataImpl &Record) {
|
|
AddSourceLocation(Range.getBegin(), Record);
|
|
AddSourceLocation(Range.getEnd(), Record);
|
|
}
|
|
|
|
void ASTWriter::AddAPInt(const llvm::APInt &Value, RecordDataImpl &Record) {
|
|
Record.push_back(Value.getBitWidth());
|
|
const uint64_t *Words = Value.getRawData();
|
|
Record.append(Words, Words + Value.getNumWords());
|
|
}
|
|
|
|
void ASTWriter::AddAPSInt(const llvm::APSInt &Value, RecordDataImpl &Record) {
|
|
Record.push_back(Value.isUnsigned());
|
|
AddAPInt(Value, Record);
|
|
}
|
|
|
|
void ASTWriter::AddAPFloat(const llvm::APFloat &Value, RecordDataImpl &Record) {
|
|
AddAPInt(Value.bitcastToAPInt(), Record);
|
|
}
|
|
|
|
void ASTWriter::AddIdentifierRef(const IdentifierInfo *II, RecordDataImpl &Record) {
|
|
Record.push_back(getIdentifierRef(II));
|
|
}
|
|
|
|
void ASTWriter::addMacroRef(MacroInfo *MI, RecordDataImpl &Record) {
|
|
Record.push_back(getMacroRef(MI));
|
|
}
|
|
|
|
IdentID ASTWriter::getIdentifierRef(const IdentifierInfo *II) {
|
|
if (II == 0)
|
|
return 0;
|
|
|
|
IdentID &ID = IdentifierIDs[II];
|
|
if (ID == 0)
|
|
ID = NextIdentID++;
|
|
return ID;
|
|
}
|
|
|
|
MacroID ASTWriter::getMacroRef(MacroInfo *MI) {
|
|
// Don't emit builtin macros like __LINE__ to the AST file unless they
|
|
// have been redefined by the header (in which case they are not
|
|
// isBuiltinMacro).
|
|
if (MI == 0 || MI->isBuiltinMacro())
|
|
return 0;
|
|
|
|
MacroID &ID = MacroIDs[MI];
|
|
if (ID == 0)
|
|
ID = NextMacroID++;
|
|
return ID;
|
|
}
|
|
|
|
void ASTWriter::AddSelectorRef(const Selector SelRef, RecordDataImpl &Record) {
|
|
Record.push_back(getSelectorRef(SelRef));
|
|
}
|
|
|
|
SelectorID ASTWriter::getSelectorRef(Selector Sel) {
|
|
if (Sel.getAsOpaquePtr() == 0) {
|
|
return 0;
|
|
}
|
|
|
|
SelectorID &SID = SelectorIDs[Sel];
|
|
if (SID == 0 && Chain) {
|
|
// This might trigger a ReadSelector callback, which will set the ID for
|
|
// this selector.
|
|
Chain->LoadSelector(Sel);
|
|
}
|
|
if (SID == 0) {
|
|
SID = NextSelectorID++;
|
|
}
|
|
return SID;
|
|
}
|
|
|
|
void ASTWriter::AddCXXTemporary(const CXXTemporary *Temp, RecordDataImpl &Record) {
|
|
AddDeclRef(Temp->getDestructor(), Record);
|
|
}
|
|
|
|
void ASTWriter::AddCXXBaseSpecifiersRef(CXXBaseSpecifier const *Bases,
|
|
CXXBaseSpecifier const *BasesEnd,
|
|
RecordDataImpl &Record) {
|
|
assert(Bases != BasesEnd && "Empty base-specifier sets are not recorded");
|
|
CXXBaseSpecifiersToWrite.push_back(
|
|
QueuedCXXBaseSpecifiers(NextCXXBaseSpecifiersID,
|
|
Bases, BasesEnd));
|
|
Record.push_back(NextCXXBaseSpecifiersID++);
|
|
}
|
|
|
|
void ASTWriter::AddTemplateArgumentLocInfo(TemplateArgument::ArgKind Kind,
|
|
const TemplateArgumentLocInfo &Arg,
|
|
RecordDataImpl &Record) {
|
|
switch (Kind) {
|
|
case TemplateArgument::Expression:
|
|
AddStmt(Arg.getAsExpr());
|
|
break;
|
|
case TemplateArgument::Type:
|
|
AddTypeSourceInfo(Arg.getAsTypeSourceInfo(), Record);
|
|
break;
|
|
case TemplateArgument::Template:
|
|
AddNestedNameSpecifierLoc(Arg.getTemplateQualifierLoc(), Record);
|
|
AddSourceLocation(Arg.getTemplateNameLoc(), Record);
|
|
break;
|
|
case TemplateArgument::TemplateExpansion:
|
|
AddNestedNameSpecifierLoc(Arg.getTemplateQualifierLoc(), Record);
|
|
AddSourceLocation(Arg.getTemplateNameLoc(), Record);
|
|
AddSourceLocation(Arg.getTemplateEllipsisLoc(), Record);
|
|
break;
|
|
case TemplateArgument::Null:
|
|
case TemplateArgument::Integral:
|
|
case TemplateArgument::Declaration:
|
|
case TemplateArgument::NullPtr:
|
|
case TemplateArgument::Pack:
|
|
// FIXME: Is this right?
|
|
break;
|
|
}
|
|
}
|
|
|
|
void ASTWriter::AddTemplateArgumentLoc(const TemplateArgumentLoc &Arg,
|
|
RecordDataImpl &Record) {
|
|
AddTemplateArgument(Arg.getArgument(), Record);
|
|
|
|
if (Arg.getArgument().getKind() == TemplateArgument::Expression) {
|
|
bool InfoHasSameExpr
|
|
= Arg.getArgument().getAsExpr() == Arg.getLocInfo().getAsExpr();
|
|
Record.push_back(InfoHasSameExpr);
|
|
if (InfoHasSameExpr)
|
|
return; // Avoid storing the same expr twice.
|
|
}
|
|
AddTemplateArgumentLocInfo(Arg.getArgument().getKind(), Arg.getLocInfo(),
|
|
Record);
|
|
}
|
|
|
|
void ASTWriter::AddTypeSourceInfo(TypeSourceInfo *TInfo,
|
|
RecordDataImpl &Record) {
|
|
if (TInfo == 0) {
|
|
AddTypeRef(QualType(), Record);
|
|
return;
|
|
}
|
|
|
|
AddTypeLoc(TInfo->getTypeLoc(), Record);
|
|
}
|
|
|
|
void ASTWriter::AddTypeLoc(TypeLoc TL, RecordDataImpl &Record) {
|
|
AddTypeRef(TL.getType(), Record);
|
|
|
|
TypeLocWriter TLW(*this, Record);
|
|
for (; !TL.isNull(); TL = TL.getNextTypeLoc())
|
|
TLW.Visit(TL);
|
|
}
|
|
|
|
void ASTWriter::AddTypeRef(QualType T, RecordDataImpl &Record) {
|
|
Record.push_back(GetOrCreateTypeID(T));
|
|
}
|
|
|
|
TypeID ASTWriter::GetOrCreateTypeID( QualType T) {
|
|
return MakeTypeID(*Context, T,
|
|
std::bind1st(std::mem_fun(&ASTWriter::GetOrCreateTypeIdx), this));
|
|
}
|
|
|
|
TypeID ASTWriter::getTypeID(QualType T) const {
|
|
return MakeTypeID(*Context, T,
|
|
std::bind1st(std::mem_fun(&ASTWriter::getTypeIdx), this));
|
|
}
|
|
|
|
TypeIdx ASTWriter::GetOrCreateTypeIdx(QualType T) {
|
|
if (T.isNull())
|
|
return TypeIdx();
|
|
assert(!T.getLocalFastQualifiers());
|
|
|
|
TypeIdx &Idx = TypeIdxs[T];
|
|
if (Idx.getIndex() == 0) {
|
|
if (DoneWritingDeclsAndTypes) {
|
|
assert(0 && "New type seen after serializing all the types to emit!");
|
|
return TypeIdx();
|
|
}
|
|
|
|
// We haven't seen this type before. Assign it a new ID and put it
|
|
// into the queue of types to emit.
|
|
Idx = TypeIdx(NextTypeID++);
|
|
DeclTypesToEmit.push(T);
|
|
}
|
|
return Idx;
|
|
}
|
|
|
|
TypeIdx ASTWriter::getTypeIdx(QualType T) const {
|
|
if (T.isNull())
|
|
return TypeIdx();
|
|
assert(!T.getLocalFastQualifiers());
|
|
|
|
TypeIdxMap::const_iterator I = TypeIdxs.find(T);
|
|
assert(I != TypeIdxs.end() && "Type not emitted!");
|
|
return I->second;
|
|
}
|
|
|
|
void ASTWriter::AddDeclRef(const Decl *D, RecordDataImpl &Record) {
|
|
Record.push_back(GetDeclRef(D));
|
|
}
|
|
|
|
DeclID ASTWriter::GetDeclRef(const Decl *D) {
|
|
assert(WritingAST && "Cannot request a declaration ID before AST writing");
|
|
|
|
if (D == 0) {
|
|
return 0;
|
|
}
|
|
|
|
// If D comes from an AST file, its declaration ID is already known and
|
|
// fixed.
|
|
if (D->isFromASTFile())
|
|
return D->getGlobalID();
|
|
|
|
assert(!(reinterpret_cast<uintptr_t>(D) & 0x01) && "Invalid decl pointer");
|
|
DeclID &ID = DeclIDs[D];
|
|
if (ID == 0) {
|
|
if (DoneWritingDeclsAndTypes) {
|
|
assert(0 && "New decl seen after serializing all the decls to emit!");
|
|
return 0;
|
|
}
|
|
|
|
// We haven't seen this declaration before. Give it a new ID and
|
|
// enqueue it in the list of declarations to emit.
|
|
ID = NextDeclID++;
|
|
DeclTypesToEmit.push(const_cast<Decl *>(D));
|
|
}
|
|
|
|
return ID;
|
|
}
|
|
|
|
DeclID ASTWriter::getDeclID(const Decl *D) {
|
|
if (D == 0)
|
|
return 0;
|
|
|
|
// If D comes from an AST file, its declaration ID is already known and
|
|
// fixed.
|
|
if (D->isFromASTFile())
|
|
return D->getGlobalID();
|
|
|
|
assert(DeclIDs.find(D) != DeclIDs.end() && "Declaration not emitted!");
|
|
return DeclIDs[D];
|
|
}
|
|
|
|
static inline bool compLocDecl(std::pair<unsigned, serialization::DeclID> L,
|
|
std::pair<unsigned, serialization::DeclID> R) {
|
|
return L.first < R.first;
|
|
}
|
|
|
|
void ASTWriter::associateDeclWithFile(const Decl *D, DeclID ID) {
|
|
assert(ID);
|
|
assert(D);
|
|
|
|
SourceLocation Loc = D->getLocation();
|
|
if (Loc.isInvalid())
|
|
return;
|
|
|
|
// We only keep track of the file-level declarations of each file.
|
|
if (!D->getLexicalDeclContext()->isFileContext())
|
|
return;
|
|
// FIXME: ParmVarDecls that are part of a function type of a parameter of
|
|
// a function/objc method, should not have TU as lexical context.
|
|
if (isa<ParmVarDecl>(D))
|
|
return;
|
|
|
|
SourceManager &SM = Context->getSourceManager();
|
|
SourceLocation FileLoc = SM.getFileLoc(Loc);
|
|
assert(SM.isLocalSourceLocation(FileLoc));
|
|
FileID FID;
|
|
unsigned Offset;
|
|
llvm::tie(FID, Offset) = SM.getDecomposedLoc(FileLoc);
|
|
if (FID.isInvalid())
|
|
return;
|
|
assert(SM.getSLocEntry(FID).isFile());
|
|
|
|
DeclIDInFileInfo *&Info = FileDeclIDs[FID];
|
|
if (!Info)
|
|
Info = new DeclIDInFileInfo();
|
|
|
|
std::pair<unsigned, serialization::DeclID> LocDecl(Offset, ID);
|
|
LocDeclIDsTy &Decls = Info->DeclIDs;
|
|
|
|
if (Decls.empty() || Decls.back().first <= Offset) {
|
|
Decls.push_back(LocDecl);
|
|
return;
|
|
}
|
|
|
|
LocDeclIDsTy::iterator
|
|
I = std::upper_bound(Decls.begin(), Decls.end(), LocDecl, compLocDecl);
|
|
|
|
Decls.insert(I, LocDecl);
|
|
}
|
|
|
|
void ASTWriter::AddDeclarationName(DeclarationName Name, RecordDataImpl &Record) {
|
|
// FIXME: Emit a stable enum for NameKind. 0 = Identifier etc.
|
|
Record.push_back(Name.getNameKind());
|
|
switch (Name.getNameKind()) {
|
|
case DeclarationName::Identifier:
|
|
AddIdentifierRef(Name.getAsIdentifierInfo(), Record);
|
|
break;
|
|
|
|
case DeclarationName::ObjCZeroArgSelector:
|
|
case DeclarationName::ObjCOneArgSelector:
|
|
case DeclarationName::ObjCMultiArgSelector:
|
|
AddSelectorRef(Name.getObjCSelector(), Record);
|
|
break;
|
|
|
|
case DeclarationName::CXXConstructorName:
|
|
case DeclarationName::CXXDestructorName:
|
|
case DeclarationName::CXXConversionFunctionName:
|
|
AddTypeRef(Name.getCXXNameType(), Record);
|
|
break;
|
|
|
|
case DeclarationName::CXXOperatorName:
|
|
Record.push_back(Name.getCXXOverloadedOperator());
|
|
break;
|
|
|
|
case DeclarationName::CXXLiteralOperatorName:
|
|
AddIdentifierRef(Name.getCXXLiteralIdentifier(), Record);
|
|
break;
|
|
|
|
case DeclarationName::CXXUsingDirective:
|
|
// No extra data to emit
|
|
break;
|
|
}
|
|
}
|
|
|
|
void ASTWriter::AddDeclarationNameLoc(const DeclarationNameLoc &DNLoc,
|
|
DeclarationName Name, RecordDataImpl &Record) {
|
|
switch (Name.getNameKind()) {
|
|
case DeclarationName::CXXConstructorName:
|
|
case DeclarationName::CXXDestructorName:
|
|
case DeclarationName::CXXConversionFunctionName:
|
|
AddTypeSourceInfo(DNLoc.NamedType.TInfo, Record);
|
|
break;
|
|
|
|
case DeclarationName::CXXOperatorName:
|
|
AddSourceLocation(
|
|
SourceLocation::getFromRawEncoding(DNLoc.CXXOperatorName.BeginOpNameLoc),
|
|
Record);
|
|
AddSourceLocation(
|
|
SourceLocation::getFromRawEncoding(DNLoc.CXXOperatorName.EndOpNameLoc),
|
|
Record);
|
|
break;
|
|
|
|
case DeclarationName::CXXLiteralOperatorName:
|
|
AddSourceLocation(
|
|
SourceLocation::getFromRawEncoding(DNLoc.CXXLiteralOperatorName.OpNameLoc),
|
|
Record);
|
|
break;
|
|
|
|
case DeclarationName::Identifier:
|
|
case DeclarationName::ObjCZeroArgSelector:
|
|
case DeclarationName::ObjCOneArgSelector:
|
|
case DeclarationName::ObjCMultiArgSelector:
|
|
case DeclarationName::CXXUsingDirective:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void ASTWriter::AddDeclarationNameInfo(const DeclarationNameInfo &NameInfo,
|
|
RecordDataImpl &Record) {
|
|
AddDeclarationName(NameInfo.getName(), Record);
|
|
AddSourceLocation(NameInfo.getLoc(), Record);
|
|
AddDeclarationNameLoc(NameInfo.getInfo(), NameInfo.getName(), Record);
|
|
}
|
|
|
|
void ASTWriter::AddQualifierInfo(const QualifierInfo &Info,
|
|
RecordDataImpl &Record) {
|
|
AddNestedNameSpecifierLoc(Info.QualifierLoc, Record);
|
|
Record.push_back(Info.NumTemplParamLists);
|
|
for (unsigned i=0, e=Info.NumTemplParamLists; i != e; ++i)
|
|
AddTemplateParameterList(Info.TemplParamLists[i], Record);
|
|
}
|
|
|
|
void ASTWriter::AddNestedNameSpecifier(NestedNameSpecifier *NNS,
|
|
RecordDataImpl &Record) {
|
|
// Nested name specifiers usually aren't too long. I think that 8 would
|
|
// typically accommodate the vast majority.
|
|
SmallVector<NestedNameSpecifier *, 8> NestedNames;
|
|
|
|
// Push each of the NNS's onto a stack for serialization in reverse order.
|
|
while (NNS) {
|
|
NestedNames.push_back(NNS);
|
|
NNS = NNS->getPrefix();
|
|
}
|
|
|
|
Record.push_back(NestedNames.size());
|
|
while(!NestedNames.empty()) {
|
|
NNS = NestedNames.pop_back_val();
|
|
NestedNameSpecifier::SpecifierKind Kind = NNS->getKind();
|
|
Record.push_back(Kind);
|
|
switch (Kind) {
|
|
case NestedNameSpecifier::Identifier:
|
|
AddIdentifierRef(NNS->getAsIdentifier(), Record);
|
|
break;
|
|
|
|
case NestedNameSpecifier::Namespace:
|
|
AddDeclRef(NNS->getAsNamespace(), Record);
|
|
break;
|
|
|
|
case NestedNameSpecifier::NamespaceAlias:
|
|
AddDeclRef(NNS->getAsNamespaceAlias(), Record);
|
|
break;
|
|
|
|
case NestedNameSpecifier::TypeSpec:
|
|
case NestedNameSpecifier::TypeSpecWithTemplate:
|
|
AddTypeRef(QualType(NNS->getAsType(), 0), Record);
|
|
Record.push_back(Kind == NestedNameSpecifier::TypeSpecWithTemplate);
|
|
break;
|
|
|
|
case NestedNameSpecifier::Global:
|
|
// Don't need to write an associated value.
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ASTWriter::AddNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS,
|
|
RecordDataImpl &Record) {
|
|
// Nested name specifiers usually aren't too long. I think that 8 would
|
|
// typically accommodate the vast majority.
|
|
SmallVector<NestedNameSpecifierLoc , 8> NestedNames;
|
|
|
|
// Push each of the nested-name-specifiers's onto a stack for
|
|
// serialization in reverse order.
|
|
while (NNS) {
|
|
NestedNames.push_back(NNS);
|
|
NNS = NNS.getPrefix();
|
|
}
|
|
|
|
Record.push_back(NestedNames.size());
|
|
while(!NestedNames.empty()) {
|
|
NNS = NestedNames.pop_back_val();
|
|
NestedNameSpecifier::SpecifierKind Kind
|
|
= NNS.getNestedNameSpecifier()->getKind();
|
|
Record.push_back(Kind);
|
|
switch (Kind) {
|
|
case NestedNameSpecifier::Identifier:
|
|
AddIdentifierRef(NNS.getNestedNameSpecifier()->getAsIdentifier(), Record);
|
|
AddSourceRange(NNS.getLocalSourceRange(), Record);
|
|
break;
|
|
|
|
case NestedNameSpecifier::Namespace:
|
|
AddDeclRef(NNS.getNestedNameSpecifier()->getAsNamespace(), Record);
|
|
AddSourceRange(NNS.getLocalSourceRange(), Record);
|
|
break;
|
|
|
|
case NestedNameSpecifier::NamespaceAlias:
|
|
AddDeclRef(NNS.getNestedNameSpecifier()->getAsNamespaceAlias(), Record);
|
|
AddSourceRange(NNS.getLocalSourceRange(), Record);
|
|
break;
|
|
|
|
case NestedNameSpecifier::TypeSpec:
|
|
case NestedNameSpecifier::TypeSpecWithTemplate:
|
|
Record.push_back(Kind == NestedNameSpecifier::TypeSpecWithTemplate);
|
|
AddTypeLoc(NNS.getTypeLoc(), Record);
|
|
AddSourceLocation(NNS.getLocalSourceRange().getEnd(), Record);
|
|
break;
|
|
|
|
case NestedNameSpecifier::Global:
|
|
AddSourceLocation(NNS.getLocalSourceRange().getEnd(), Record);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ASTWriter::AddTemplateName(TemplateName Name, RecordDataImpl &Record) {
|
|
TemplateName::NameKind Kind = Name.getKind();
|
|
Record.push_back(Kind);
|
|
switch (Kind) {
|
|
case TemplateName::Template:
|
|
AddDeclRef(Name.getAsTemplateDecl(), Record);
|
|
break;
|
|
|
|
case TemplateName::OverloadedTemplate: {
|
|
OverloadedTemplateStorage *OvT = Name.getAsOverloadedTemplate();
|
|
Record.push_back(OvT->size());
|
|
for (OverloadedTemplateStorage::iterator I = OvT->begin(), E = OvT->end();
|
|
I != E; ++I)
|
|
AddDeclRef(*I, Record);
|
|
break;
|
|
}
|
|
|
|
case TemplateName::QualifiedTemplate: {
|
|
QualifiedTemplateName *QualT = Name.getAsQualifiedTemplateName();
|
|
AddNestedNameSpecifier(QualT->getQualifier(), Record);
|
|
Record.push_back(QualT->hasTemplateKeyword());
|
|
AddDeclRef(QualT->getTemplateDecl(), Record);
|
|
break;
|
|
}
|
|
|
|
case TemplateName::DependentTemplate: {
|
|
DependentTemplateName *DepT = Name.getAsDependentTemplateName();
|
|
AddNestedNameSpecifier(DepT->getQualifier(), Record);
|
|
Record.push_back(DepT->isIdentifier());
|
|
if (DepT->isIdentifier())
|
|
AddIdentifierRef(DepT->getIdentifier(), Record);
|
|
else
|
|
Record.push_back(DepT->getOperator());
|
|
break;
|
|
}
|
|
|
|
case TemplateName::SubstTemplateTemplateParm: {
|
|
SubstTemplateTemplateParmStorage *subst
|
|
= Name.getAsSubstTemplateTemplateParm();
|
|
AddDeclRef(subst->getParameter(), Record);
|
|
AddTemplateName(subst->getReplacement(), Record);
|
|
break;
|
|
}
|
|
|
|
case TemplateName::SubstTemplateTemplateParmPack: {
|
|
SubstTemplateTemplateParmPackStorage *SubstPack
|
|
= Name.getAsSubstTemplateTemplateParmPack();
|
|
AddDeclRef(SubstPack->getParameterPack(), Record);
|
|
AddTemplateArgument(SubstPack->getArgumentPack(), Record);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ASTWriter::AddTemplateArgument(const TemplateArgument &Arg,
|
|
RecordDataImpl &Record) {
|
|
Record.push_back(Arg.getKind());
|
|
switch (Arg.getKind()) {
|
|
case TemplateArgument::Null:
|
|
break;
|
|
case TemplateArgument::Type:
|
|
AddTypeRef(Arg.getAsType(), Record);
|
|
break;
|
|
case TemplateArgument::Declaration:
|
|
AddDeclRef(Arg.getAsDecl(), Record);
|
|
Record.push_back(Arg.isDeclForReferenceParam());
|
|
break;
|
|
case TemplateArgument::NullPtr:
|
|
AddTypeRef(Arg.getNullPtrType(), Record);
|
|
break;
|
|
case TemplateArgument::Integral:
|
|
AddAPSInt(Arg.getAsIntegral(), Record);
|
|
AddTypeRef(Arg.getIntegralType(), Record);
|
|
break;
|
|
case TemplateArgument::Template:
|
|
AddTemplateName(Arg.getAsTemplateOrTemplatePattern(), Record);
|
|
break;
|
|
case TemplateArgument::TemplateExpansion:
|
|
AddTemplateName(Arg.getAsTemplateOrTemplatePattern(), Record);
|
|
if (llvm::Optional<unsigned> NumExpansions = Arg.getNumTemplateExpansions())
|
|
Record.push_back(*NumExpansions + 1);
|
|
else
|
|
Record.push_back(0);
|
|
break;
|
|
case TemplateArgument::Expression:
|
|
AddStmt(Arg.getAsExpr());
|
|
break;
|
|
case TemplateArgument::Pack:
|
|
Record.push_back(Arg.pack_size());
|
|
for (TemplateArgument::pack_iterator I=Arg.pack_begin(), E=Arg.pack_end();
|
|
I != E; ++I)
|
|
AddTemplateArgument(*I, Record);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
ASTWriter::AddTemplateParameterList(const TemplateParameterList *TemplateParams,
|
|
RecordDataImpl &Record) {
|
|
assert(TemplateParams && "No TemplateParams!");
|
|
AddSourceLocation(TemplateParams->getTemplateLoc(), Record);
|
|
AddSourceLocation(TemplateParams->getLAngleLoc(), Record);
|
|
AddSourceLocation(TemplateParams->getRAngleLoc(), Record);
|
|
Record.push_back(TemplateParams->size());
|
|
for (TemplateParameterList::const_iterator
|
|
P = TemplateParams->begin(), PEnd = TemplateParams->end();
|
|
P != PEnd; ++P)
|
|
AddDeclRef(*P, Record);
|
|
}
|
|
|
|
/// \brief Emit a template argument list.
|
|
void
|
|
ASTWriter::AddTemplateArgumentList(const TemplateArgumentList *TemplateArgs,
|
|
RecordDataImpl &Record) {
|
|
assert(TemplateArgs && "No TemplateArgs!");
|
|
Record.push_back(TemplateArgs->size());
|
|
for (int i=0, e = TemplateArgs->size(); i != e; ++i)
|
|
AddTemplateArgument(TemplateArgs->get(i), Record);
|
|
}
|
|
|
|
|
|
void
|
|
ASTWriter::AddUnresolvedSet(const ASTUnresolvedSet &Set, RecordDataImpl &Record) {
|
|
Record.push_back(Set.size());
|
|
for (ASTUnresolvedSet::const_iterator
|
|
I = Set.begin(), E = Set.end(); I != E; ++I) {
|
|
AddDeclRef(I.getDecl(), Record);
|
|
Record.push_back(I.getAccess());
|
|
}
|
|
}
|
|
|
|
void ASTWriter::AddCXXBaseSpecifier(const CXXBaseSpecifier &Base,
|
|
RecordDataImpl &Record) {
|
|
Record.push_back(Base.isVirtual());
|
|
Record.push_back(Base.isBaseOfClass());
|
|
Record.push_back(Base.getAccessSpecifierAsWritten());
|
|
Record.push_back(Base.getInheritConstructors());
|
|
AddTypeSourceInfo(Base.getTypeSourceInfo(), Record);
|
|
AddSourceRange(Base.getSourceRange(), Record);
|
|
AddSourceLocation(Base.isPackExpansion()? Base.getEllipsisLoc()
|
|
: SourceLocation(),
|
|
Record);
|
|
}
|
|
|
|
void ASTWriter::FlushCXXBaseSpecifiers() {
|
|
RecordData Record;
|
|
for (unsigned I = 0, N = CXXBaseSpecifiersToWrite.size(); I != N; ++I) {
|
|
Record.clear();
|
|
|
|
// Record the offset of this base-specifier set.
|
|
unsigned Index = CXXBaseSpecifiersToWrite[I].ID - 1;
|
|
if (Index == CXXBaseSpecifiersOffsets.size())
|
|
CXXBaseSpecifiersOffsets.push_back(Stream.GetCurrentBitNo());
|
|
else {
|
|
if (Index > CXXBaseSpecifiersOffsets.size())
|
|
CXXBaseSpecifiersOffsets.resize(Index + 1);
|
|
CXXBaseSpecifiersOffsets[Index] = Stream.GetCurrentBitNo();
|
|
}
|
|
|
|
const CXXBaseSpecifier *B = CXXBaseSpecifiersToWrite[I].Bases,
|
|
*BEnd = CXXBaseSpecifiersToWrite[I].BasesEnd;
|
|
Record.push_back(BEnd - B);
|
|
for (; B != BEnd; ++B)
|
|
AddCXXBaseSpecifier(*B, Record);
|
|
Stream.EmitRecord(serialization::DECL_CXX_BASE_SPECIFIERS, Record);
|
|
|
|
// Flush any expressions that were written as part of the base specifiers.
|
|
FlushStmts();
|
|
}
|
|
|
|
CXXBaseSpecifiersToWrite.clear();
|
|
}
|
|
|
|
void ASTWriter::AddCXXCtorInitializers(
|
|
const CXXCtorInitializer * const *CtorInitializers,
|
|
unsigned NumCtorInitializers,
|
|
RecordDataImpl &Record) {
|
|
Record.push_back(NumCtorInitializers);
|
|
for (unsigned i=0; i != NumCtorInitializers; ++i) {
|
|
const CXXCtorInitializer *Init = CtorInitializers[i];
|
|
|
|
if (Init->isBaseInitializer()) {
|
|
Record.push_back(CTOR_INITIALIZER_BASE);
|
|
AddTypeSourceInfo(Init->getTypeSourceInfo(), Record);
|
|
Record.push_back(Init->isBaseVirtual());
|
|
} else if (Init->isDelegatingInitializer()) {
|
|
Record.push_back(CTOR_INITIALIZER_DELEGATING);
|
|
AddTypeSourceInfo(Init->getTypeSourceInfo(), Record);
|
|
} else if (Init->isMemberInitializer()){
|
|
Record.push_back(CTOR_INITIALIZER_MEMBER);
|
|
AddDeclRef(Init->getMember(), Record);
|
|
} else {
|
|
Record.push_back(CTOR_INITIALIZER_INDIRECT_MEMBER);
|
|
AddDeclRef(Init->getIndirectMember(), Record);
|
|
}
|
|
|
|
AddSourceLocation(Init->getMemberLocation(), Record);
|
|
AddStmt(Init->getInit());
|
|
AddSourceLocation(Init->getLParenLoc(), Record);
|
|
AddSourceLocation(Init->getRParenLoc(), Record);
|
|
Record.push_back(Init->isWritten());
|
|
if (Init->isWritten()) {
|
|
Record.push_back(Init->getSourceOrder());
|
|
} else {
|
|
Record.push_back(Init->getNumArrayIndices());
|
|
for (unsigned i=0, e=Init->getNumArrayIndices(); i != e; ++i)
|
|
AddDeclRef(Init->getArrayIndex(i), Record);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ASTWriter::AddCXXDefinitionData(const CXXRecordDecl *D, RecordDataImpl &Record) {
|
|
assert(D->DefinitionData);
|
|
struct CXXRecordDecl::DefinitionData &Data = *D->DefinitionData;
|
|
Record.push_back(Data.IsLambda);
|
|
Record.push_back(Data.UserDeclaredConstructor);
|
|
Record.push_back(Data.UserDeclaredSpecialMembers);
|
|
Record.push_back(Data.Aggregate);
|
|
Record.push_back(Data.PlainOldData);
|
|
Record.push_back(Data.Empty);
|
|
Record.push_back(Data.Polymorphic);
|
|
Record.push_back(Data.Abstract);
|
|
Record.push_back(Data.IsStandardLayout);
|
|
Record.push_back(Data.HasNoNonEmptyBases);
|
|
Record.push_back(Data.HasPrivateFields);
|
|
Record.push_back(Data.HasProtectedFields);
|
|
Record.push_back(Data.HasPublicFields);
|
|
Record.push_back(Data.HasMutableFields);
|
|
Record.push_back(Data.HasOnlyCMembers);
|
|
Record.push_back(Data.HasInClassInitializer);
|
|
Record.push_back(Data.HasUninitializedReferenceMember);
|
|
Record.push_back(Data.NeedOverloadResolutionForMoveConstructor);
|
|
Record.push_back(Data.NeedOverloadResolutionForMoveAssignment);
|
|
Record.push_back(Data.NeedOverloadResolutionForDestructor);
|
|
Record.push_back(Data.DefaultedMoveConstructorIsDeleted);
|
|
Record.push_back(Data.DefaultedMoveAssignmentIsDeleted);
|
|
Record.push_back(Data.DefaultedDestructorIsDeleted);
|
|
Record.push_back(Data.HasTrivialSpecialMembers);
|
|
Record.push_back(Data.HasIrrelevantDestructor);
|
|
Record.push_back(Data.HasConstexprNonCopyMoveConstructor);
|
|
Record.push_back(Data.DefaultedDefaultConstructorIsConstexpr);
|
|
Record.push_back(Data.HasConstexprDefaultConstructor);
|
|
Record.push_back(Data.HasNonLiteralTypeFieldsOrBases);
|
|
Record.push_back(Data.ComputedVisibleConversions);
|
|
Record.push_back(Data.UserProvidedDefaultConstructor);
|
|
Record.push_back(Data.DeclaredSpecialMembers);
|
|
Record.push_back(Data.ImplicitCopyConstructorHasConstParam);
|
|
Record.push_back(Data.ImplicitCopyAssignmentHasConstParam);
|
|
Record.push_back(Data.HasDeclaredCopyConstructorWithConstParam);
|
|
Record.push_back(Data.HasDeclaredCopyAssignmentWithConstParam);
|
|
Record.push_back(Data.FailedImplicitMoveConstructor);
|
|
Record.push_back(Data.FailedImplicitMoveAssignment);
|
|
// IsLambda bit is already saved.
|
|
|
|
Record.push_back(Data.NumBases);
|
|
if (Data.NumBases > 0)
|
|
AddCXXBaseSpecifiersRef(Data.getBases(), Data.getBases() + Data.NumBases,
|
|
Record);
|
|
|
|
// FIXME: Make VBases lazily computed when needed to avoid storing them.
|
|
Record.push_back(Data.NumVBases);
|
|
if (Data.NumVBases > 0)
|
|
AddCXXBaseSpecifiersRef(Data.getVBases(), Data.getVBases() + Data.NumVBases,
|
|
Record);
|
|
|
|
AddUnresolvedSet(Data.Conversions, Record);
|
|
AddUnresolvedSet(Data.VisibleConversions, Record);
|
|
// Data.Definition is the owning decl, no need to write it.
|
|
AddDeclRef(Data.FirstFriend, Record);
|
|
|
|
// Add lambda-specific data.
|
|
if (Data.IsLambda) {
|
|
CXXRecordDecl::LambdaDefinitionData &Lambda = D->getLambdaData();
|
|
Record.push_back(Lambda.Dependent);
|
|
Record.push_back(Lambda.NumCaptures);
|
|
Record.push_back(Lambda.NumExplicitCaptures);
|
|
Record.push_back(Lambda.ManglingNumber);
|
|
AddDeclRef(Lambda.ContextDecl, Record);
|
|
AddTypeSourceInfo(Lambda.MethodTyInfo, Record);
|
|
for (unsigned I = 0, N = Lambda.NumCaptures; I != N; ++I) {
|
|
LambdaExpr::Capture &Capture = Lambda.Captures[I];
|
|
AddSourceLocation(Capture.getLocation(), Record);
|
|
Record.push_back(Capture.isImplicit());
|
|
Record.push_back(Capture.getCaptureKind()); // FIXME: stable!
|
|
VarDecl *Var = Capture.capturesVariable()? Capture.getCapturedVar() : 0;
|
|
AddDeclRef(Var, Record);
|
|
AddSourceLocation(Capture.isPackExpansion()? Capture.getEllipsisLoc()
|
|
: SourceLocation(),
|
|
Record);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ASTWriter::ReaderInitialized(ASTReader *Reader) {
|
|
assert(Reader && "Cannot remove chain");
|
|
assert((!Chain || Chain == Reader) && "Cannot replace chain");
|
|
assert(FirstDeclID == NextDeclID &&
|
|
FirstTypeID == NextTypeID &&
|
|
FirstIdentID == NextIdentID &&
|
|
FirstMacroID == NextMacroID &&
|
|
FirstSubmoduleID == NextSubmoduleID &&
|
|
FirstSelectorID == NextSelectorID &&
|
|
"Setting chain after writing has started.");
|
|
|
|
Chain = Reader;
|
|
|
|
FirstDeclID = NUM_PREDEF_DECL_IDS + Chain->getTotalNumDecls();
|
|
FirstTypeID = NUM_PREDEF_TYPE_IDS + Chain->getTotalNumTypes();
|
|
FirstIdentID = NUM_PREDEF_IDENT_IDS + Chain->getTotalNumIdentifiers();
|
|
FirstMacroID = NUM_PREDEF_MACRO_IDS + Chain->getTotalNumMacros();
|
|
FirstSubmoduleID = NUM_PREDEF_SUBMODULE_IDS + Chain->getTotalNumSubmodules();
|
|
FirstSelectorID = NUM_PREDEF_SELECTOR_IDS + Chain->getTotalNumSelectors();
|
|
NextDeclID = FirstDeclID;
|
|
NextTypeID = FirstTypeID;
|
|
NextIdentID = FirstIdentID;
|
|
NextMacroID = FirstMacroID;
|
|
NextSelectorID = FirstSelectorID;
|
|
NextSubmoduleID = FirstSubmoduleID;
|
|
}
|
|
|
|
void ASTWriter::IdentifierRead(IdentID ID, IdentifierInfo *II) {
|
|
IdentifierIDs[II] = ID;
|
|
}
|
|
|
|
void ASTWriter::MacroRead(serialization::MacroID ID, MacroInfo *MI) {
|
|
MacroIDs[MI] = ID;
|
|
}
|
|
|
|
void ASTWriter::TypeRead(TypeIdx Idx, QualType T) {
|
|
// Always take the highest-numbered type index. This copes with an interesting
|
|
// case for chained AST writing where we schedule writing the type and then,
|
|
// later, deserialize the type from another AST. In this case, we want to
|
|
// keep the higher-numbered entry so that we can properly write it out to
|
|
// the AST file.
|
|
TypeIdx &StoredIdx = TypeIdxs[T];
|
|
if (Idx.getIndex() >= StoredIdx.getIndex())
|
|
StoredIdx = Idx;
|
|
}
|
|
|
|
void ASTWriter::SelectorRead(SelectorID ID, Selector S) {
|
|
SelectorIDs[S] = ID;
|
|
}
|
|
|
|
void ASTWriter::MacroDefinitionRead(serialization::PreprocessedEntityID ID,
|
|
MacroDefinition *MD) {
|
|
assert(MacroDefinitions.find(MD) == MacroDefinitions.end());
|
|
MacroDefinitions[MD] = ID;
|
|
}
|
|
|
|
void ASTWriter::ModuleRead(serialization::SubmoduleID ID, Module *Mod) {
|
|
assert(SubmoduleIDs.find(Mod) == SubmoduleIDs.end());
|
|
SubmoduleIDs[Mod] = ID;
|
|
}
|
|
|
|
void ASTWriter::UndefinedMacro(MacroInfo *MI) {
|
|
MacroUpdates[MI].UndefLoc = MI->getUndefLoc();
|
|
}
|
|
|
|
void ASTWriter::CompletedTagDefinition(const TagDecl *D) {
|
|
assert(D->isCompleteDefinition());
|
|
assert(!WritingAST && "Already writing the AST!");
|
|
if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D)) {
|
|
// We are interested when a PCH decl is modified.
|
|
if (RD->isFromASTFile()) {
|
|
// A forward reference was mutated into a definition. Rewrite it.
|
|
// FIXME: This happens during template instantiation, should we
|
|
// have created a new definition decl instead ?
|
|
RewriteDecl(RD);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ASTWriter::AddedVisibleDecl(const DeclContext *DC, const Decl *D) {
|
|
assert(!WritingAST && "Already writing the AST!");
|
|
|
|
// TU and namespaces are handled elsewhere.
|
|
if (isa<TranslationUnitDecl>(DC) || isa<NamespaceDecl>(DC))
|
|
return;
|
|
|
|
if (!(!D->isFromASTFile() && cast<Decl>(DC)->isFromASTFile()))
|
|
return; // Not a source decl added to a DeclContext from PCH.
|
|
|
|
AddUpdatedDeclContext(DC);
|
|
UpdatingVisibleDecls.push_back(D);
|
|
}
|
|
|
|
void ASTWriter::AddedCXXImplicitMember(const CXXRecordDecl *RD, const Decl *D) {
|
|
assert(!WritingAST && "Already writing the AST!");
|
|
assert(D->isImplicit());
|
|
if (!(!D->isFromASTFile() && RD->isFromASTFile()))
|
|
return; // Not a source member added to a class from PCH.
|
|
if (!isa<CXXMethodDecl>(D))
|
|
return; // We are interested in lazily declared implicit methods.
|
|
|
|
// A decl coming from PCH was modified.
|
|
assert(RD->isCompleteDefinition());
|
|
UpdateRecord &Record = DeclUpdates[RD];
|
|
Record.push_back(UPD_CXX_ADDED_IMPLICIT_MEMBER);
|
|
Record.push_back(reinterpret_cast<uint64_t>(D));
|
|
}
|
|
|
|
void ASTWriter::AddedCXXTemplateSpecialization(const ClassTemplateDecl *TD,
|
|
const ClassTemplateSpecializationDecl *D) {
|
|
// The specializations set is kept in the canonical template.
|
|
assert(!WritingAST && "Already writing the AST!");
|
|
TD = TD->getCanonicalDecl();
|
|
if (!(!D->isFromASTFile() && TD->isFromASTFile()))
|
|
return; // Not a source specialization added to a template from PCH.
|
|
|
|
UpdateRecord &Record = DeclUpdates[TD];
|
|
Record.push_back(UPD_CXX_ADDED_TEMPLATE_SPECIALIZATION);
|
|
Record.push_back(reinterpret_cast<uint64_t>(D));
|
|
}
|
|
|
|
void ASTWriter::AddedCXXTemplateSpecialization(const FunctionTemplateDecl *TD,
|
|
const FunctionDecl *D) {
|
|
// The specializations set is kept in the canonical template.
|
|
assert(!WritingAST && "Already writing the AST!");
|
|
TD = TD->getCanonicalDecl();
|
|
if (!(!D->isFromASTFile() && TD->isFromASTFile()))
|
|
return; // Not a source specialization added to a template from PCH.
|
|
|
|
UpdateRecord &Record = DeclUpdates[TD];
|
|
Record.push_back(UPD_CXX_ADDED_TEMPLATE_SPECIALIZATION);
|
|
Record.push_back(reinterpret_cast<uint64_t>(D));
|
|
}
|
|
|
|
void ASTWriter::CompletedImplicitDefinition(const FunctionDecl *D) {
|
|
assert(!WritingAST && "Already writing the AST!");
|
|
if (!D->isFromASTFile())
|
|
return; // Declaration not imported from PCH.
|
|
|
|
// Implicit decl from a PCH was defined.
|
|
// FIXME: Should implicit definition be a separate FunctionDecl?
|
|
RewriteDecl(D);
|
|
}
|
|
|
|
void ASTWriter::StaticDataMemberInstantiated(const VarDecl *D) {
|
|
assert(!WritingAST && "Already writing the AST!");
|
|
if (!D->isFromASTFile())
|
|
return;
|
|
|
|
// Since the actual instantiation is delayed, this really means that we need
|
|
// to update the instantiation location.
|
|
UpdateRecord &Record = DeclUpdates[D];
|
|
Record.push_back(UPD_CXX_INSTANTIATED_STATIC_DATA_MEMBER);
|
|
AddSourceLocation(
|
|
D->getMemberSpecializationInfo()->getPointOfInstantiation(), Record);
|
|
}
|
|
|
|
void ASTWriter::AddedObjCCategoryToInterface(const ObjCCategoryDecl *CatD,
|
|
const ObjCInterfaceDecl *IFD) {
|
|
assert(!WritingAST && "Already writing the AST!");
|
|
if (!IFD->isFromASTFile())
|
|
return; // Declaration not imported from PCH.
|
|
|
|
assert(IFD->getDefinition() && "Category on a class without a definition?");
|
|
ObjCClassesWithCategories.insert(
|
|
const_cast<ObjCInterfaceDecl *>(IFD->getDefinition()));
|
|
}
|
|
|
|
|
|
void ASTWriter::AddedObjCPropertyInClassExtension(const ObjCPropertyDecl *Prop,
|
|
const ObjCPropertyDecl *OrigProp,
|
|
const ObjCCategoryDecl *ClassExt) {
|
|
const ObjCInterfaceDecl *D = ClassExt->getClassInterface();
|
|
if (!D)
|
|
return;
|
|
|
|
assert(!WritingAST && "Already writing the AST!");
|
|
if (!D->isFromASTFile())
|
|
return; // Declaration not imported from PCH.
|
|
|
|
RewriteDecl(D);
|
|
}
|