#include "clang/Serialization/ASTWriter.h"
#include "clang/Serialization/ModuleFileExtension.h"
#include "ASTCommon.h"
#include "ASTReaderInternals.h"
#include "MultiOnDiskHashTable.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclContextInternals.h"
#include "clang/AST/DeclFriend.h"
#include "clang/AST/DeclLookups.h"
#include "clang/AST/DeclTemplate.h"
#include "clang/AST/Expr.h"
#include "clang/AST/ExprCXX.h"
#include "clang/AST/Type.h"
#include "clang/AST/TypeLocVisitor.h"
#include "clang/Basic/DiagnosticOptions.h"
#include "clang/Basic/FileManager.h"
#include "clang/Basic/FileSystemStatCache.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/SourceManagerInternals.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/TargetOptions.h"
#include "clang/Basic/Version.h"
#include "clang/Basic/VersionTuple.h"
#include "clang/Lex/HeaderSearch.h"
#include "clang/Lex/HeaderSearchOptions.h"
#include "clang/Lex/MacroInfo.h"
#include "clang/Lex/PreprocessingRecord.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Lex/PreprocessorOptions.h"
#include "clang/Sema/IdentifierResolver.h"
#include "clang/Sema/Sema.h"
#include "clang/Serialization/ASTReader.h"
#include "clang/Serialization/SerializationDiagnostic.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/Hashing.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Bitcode/BitstreamWriter.h"
#include "llvm/Support/EndianStream.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/OnDiskHashTable.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
#include <algorithm>
#include <cstdio>
#include <string.h>
#include <utility>
using namespace clang;
using namespace clang::serialization;
template <typename T, typename Allocator>
static StringRef bytes(const std::vector<T, Allocator> &v) {
if (v.empty()) return StringRef();
return StringRef(reinterpret_cast<const char*>(&v[0]),
sizeof(T) * v.size());
}
template <typename T>
static StringRef bytes(const SmallVectorImpl<T> &v) {
return StringRef(reinterpret_cast<const char*>(v.data()),
sizeof(T) * v.size());
}
namespace {
class ASTTypeWriter {
ASTWriter &Writer;
ASTWriter::RecordDataImpl &Record;
public:
TypeCode Code;
unsigned AbbrevToUse;
ASTTypeWriter(ASTWriter &Writer, ASTWriter::RecordDataImpl &Record)
: Writer(Writer), Record(Record), Code(TYPE_EXT_QUAL) { }
void VisitArrayType(const ArrayType *T);
void VisitFunctionType(const FunctionType *T);
void VisitTagType(const TagType *T);
#define TYPE(Class, Base) void Visit##Class##Type(const Class##Type *T);
#define ABSTRACT_TYPE(Class, Base)
#include "clang/AST/TypeNodes.def"
};
}
void ASTTypeWriter::VisitBuiltinType(const BuiltinType *T) {
llvm_unreachable("Built-in types are never serialized");
}
void ASTTypeWriter::VisitComplexType(const ComplexType *T) {
Writer.AddTypeRef(T->getElementType(), Record);
Code = TYPE_COMPLEX;
}
void ASTTypeWriter::VisitPointerType(const PointerType *T) {
Writer.AddTypeRef(T->getPointeeType(), Record);
Code = TYPE_POINTER;
}
void ASTTypeWriter::VisitDecayedType(const DecayedType *T) {
Writer.AddTypeRef(T->getOriginalType(), Record);
Code = TYPE_DECAYED;
}
void ASTTypeWriter::VisitAdjustedType(const AdjustedType *T) {
Writer.AddTypeRef(T->getOriginalType(), Record);
Writer.AddTypeRef(T->getAdjustedType(), Record);
Code = TYPE_ADJUSTED;
}
void ASTTypeWriter::VisitBlockPointerType(const BlockPointerType *T) {
Writer.AddTypeRef(T->getPointeeType(), Record);
Code = TYPE_BLOCK_POINTER;
}
void ASTTypeWriter::VisitLValueReferenceType(const LValueReferenceType *T) {
Writer.AddTypeRef(T->getPointeeTypeAsWritten(), Record);
Record.push_back(T->isSpelledAsLValue());
Code = TYPE_LVALUE_REFERENCE;
}
void ASTTypeWriter::VisitRValueReferenceType(const RValueReferenceType *T) {
Writer.AddTypeRef(T->getPointeeTypeAsWritten(), Record);
Code = TYPE_RVALUE_REFERENCE;
}
void ASTTypeWriter::VisitMemberPointerType(const MemberPointerType *T) {
Writer.AddTypeRef(T->getPointeeType(), Record);
Writer.AddTypeRef(QualType(T->getClass(), 0), Record);
Code = TYPE_MEMBER_POINTER;
}
void ASTTypeWriter::VisitArrayType(const ArrayType *T) {
Writer.AddTypeRef(T->getElementType(), Record);
Record.push_back(T->getSizeModifier()); Record.push_back(T->getIndexTypeCVRQualifiers()); }
void ASTTypeWriter::VisitConstantArrayType(const ConstantArrayType *T) {
VisitArrayType(T);
Writer.AddAPInt(T->getSize(), Record);
Code = TYPE_CONSTANT_ARRAY;
}
void ASTTypeWriter::VisitIncompleteArrayType(const IncompleteArrayType *T) {
VisitArrayType(T);
Code = TYPE_INCOMPLETE_ARRAY;
}
void ASTTypeWriter::VisitVariableArrayType(const VariableArrayType *T) {
VisitArrayType(T);
Writer.AddSourceLocation(T->getLBracketLoc(), Record);
Writer.AddSourceLocation(T->getRBracketLoc(), Record);
Writer.AddStmt(T->getSizeExpr());
Code = TYPE_VARIABLE_ARRAY;
}
void ASTTypeWriter::VisitVectorType(const VectorType *T) {
Writer.AddTypeRef(T->getElementType(), Record);
Record.push_back(T->getNumElements());
Record.push_back(T->getVectorKind());
Code = TYPE_VECTOR;
}
void ASTTypeWriter::VisitExtVectorType(const ExtVectorType *T) {
VisitVectorType(T);
Code = TYPE_EXT_VECTOR;
}
void ASTTypeWriter::VisitFunctionType(const FunctionType *T) {
Writer.AddTypeRef(T->getReturnType(), Record);
FunctionType::ExtInfo C = T->getExtInfo();
Record.push_back(C.getNoReturn());
Record.push_back(C.getHasRegParm());
Record.push_back(C.getRegParm());
Record.push_back(C.getCC());
Record.push_back(C.getProducesResult());
if (C.getHasRegParm() || C.getRegParm() || C.getProducesResult())
AbbrevToUse = 0;
}
void ASTTypeWriter::VisitFunctionNoProtoType(const FunctionNoProtoType *T) {
VisitFunctionType(T);
Code = TYPE_FUNCTION_NO_PROTO;
}
static void addExceptionSpec(ASTWriter &Writer, const FunctionProtoType *T,
ASTWriter::RecordDataImpl &Record) {
Record.push_back(T->getExceptionSpecType());
if (T->getExceptionSpecType() == EST_Dynamic) {
Record.push_back(T->getNumExceptions());
for (unsigned I = 0, N = T->getNumExceptions(); I != N; ++I)
Writer.AddTypeRef(T->getExceptionType(I), Record);
} else if (T->getExceptionSpecType() == EST_ComputedNoexcept) {
Writer.AddStmt(T->getNoexceptExpr());
} else if (T->getExceptionSpecType() == EST_Uninstantiated) {
Writer.AddDeclRef(T->getExceptionSpecDecl(), Record);
Writer.AddDeclRef(T->getExceptionSpecTemplate(), Record);
} else if (T->getExceptionSpecType() == EST_Unevaluated) {
Writer.AddDeclRef(T->getExceptionSpecDecl(), Record);
}
}
void ASTTypeWriter::VisitFunctionProtoType(const FunctionProtoType *T) {
VisitFunctionType(T);
Record.push_back(T->isVariadic());
Record.push_back(T->hasTrailingReturn());
Record.push_back(T->getTypeQuals());
Record.push_back(static_cast<unsigned>(T->getRefQualifier()));
addExceptionSpec(Writer, T, Record);
Record.push_back(T->getNumParams());
for (unsigned I = 0, N = T->getNumParams(); I != N; ++I)
Writer.AddTypeRef(T->getParamType(I), Record);
if (T->hasExtParameterInfos()) {
for (unsigned I = 0, N = T->getNumParams(); I != N; ++I)
Record.push_back(T->getExtParameterInfo(I).getOpaqueValue());
}
if (T->isVariadic() || T->hasTrailingReturn() || T->getTypeQuals() ||
T->getRefQualifier() || T->getExceptionSpecType() != EST_None ||
T->hasExtParameterInfos())
AbbrevToUse = 0;
Code = TYPE_FUNCTION_PROTO;
}
void ASTTypeWriter::VisitUnresolvedUsingType(const UnresolvedUsingType *T) {
Writer.AddDeclRef(T->getDecl(), Record);
Code = TYPE_UNRESOLVED_USING;
}
void ASTTypeWriter::VisitTypedefType(const TypedefType *T) {
Writer.AddDeclRef(T->getDecl(), Record);
assert(!T->isCanonicalUnqualified() && "Invalid typedef ?");
Writer.AddTypeRef(T->getCanonicalTypeInternal(), Record);
Code = TYPE_TYPEDEF;
}
void ASTTypeWriter::VisitTypeOfExprType(const TypeOfExprType *T) {
Writer.AddStmt(T->getUnderlyingExpr());
Code = TYPE_TYPEOF_EXPR;
}
void ASTTypeWriter::VisitTypeOfType(const TypeOfType *T) {
Writer.AddTypeRef(T->getUnderlyingType(), Record);
Code = TYPE_TYPEOF;
}
void ASTTypeWriter::VisitDecltypeType(const DecltypeType *T) {
Writer.AddTypeRef(T->getUnderlyingType(), Record);
Writer.AddStmt(T->getUnderlyingExpr());
Code = TYPE_DECLTYPE;
}
void ASTTypeWriter::VisitUnaryTransformType(const UnaryTransformType *T) {
Writer.AddTypeRef(T->getBaseType(), Record);
Writer.AddTypeRef(T->getUnderlyingType(), Record);
Record.push_back(T->getUTTKind());
Code = TYPE_UNARY_TRANSFORM;
}
void ASTTypeWriter::VisitAutoType(const AutoType *T) {
Writer.AddTypeRef(T->getDeducedType(), Record);
Record.push_back((unsigned)T->getKeyword());
if (T->getDeducedType().isNull())
Record.push_back(T->isDependentType());
Code = TYPE_AUTO;
}
void ASTTypeWriter::VisitTagType(const TagType *T) {
Record.push_back(T->isDependentType());
Writer.AddDeclRef(T->getDecl()->getCanonicalDecl(), Record);
assert(!T->isBeingDefined() &&
"Cannot serialize in the middle of a type definition");
}
void ASTTypeWriter::VisitRecordType(const RecordType *T) {
VisitTagType(T);
Code = TYPE_RECORD;
}
void ASTTypeWriter::VisitEnumType(const EnumType *T) {
VisitTagType(T);
Code = TYPE_ENUM;
}
void ASTTypeWriter::VisitAttributedType(const AttributedType *T) {
Writer.AddTypeRef(T->getModifiedType(), Record);
Writer.AddTypeRef(T->getEquivalentType(), Record);
Record.push_back(T->getAttrKind());
Code = TYPE_ATTRIBUTED;
}
void
ASTTypeWriter::VisitSubstTemplateTypeParmType(
const SubstTemplateTypeParmType *T) {
Writer.AddTypeRef(QualType(T->getReplacedParameter(), 0), Record);
Writer.AddTypeRef(T->getReplacementType(), Record);
Code = TYPE_SUBST_TEMPLATE_TYPE_PARM;
}
void
ASTTypeWriter::VisitSubstTemplateTypeParmPackType(
const SubstTemplateTypeParmPackType *T) {
Writer.AddTypeRef(QualType(T->getReplacedParameter(), 0), Record);
Writer.AddTemplateArgument(T->getArgumentPack(), Record);
Code = TYPE_SUBST_TEMPLATE_TYPE_PARM_PACK;
}
void
ASTTypeWriter::VisitTemplateSpecializationType(
const TemplateSpecializationType *T) {
Record.push_back(T->isDependentType());
Writer.AddTemplateName(T->getTemplateName(), Record);
Record.push_back(T->getNumArgs());
for (const auto &ArgI : *T)
Writer.AddTemplateArgument(ArgI, Record);
Writer.AddTypeRef(T->isTypeAlias() ? T->getAliasedType() :
T->isCanonicalUnqualified() ? QualType()
: T->getCanonicalTypeInternal(),
Record);
Code = TYPE_TEMPLATE_SPECIALIZATION;
}
void
ASTTypeWriter::VisitDependentSizedArrayType(const DependentSizedArrayType *T) {
VisitArrayType(T);
Writer.AddStmt(T->getSizeExpr());
Writer.AddSourceRange(T->getBracketsRange(), Record);
Code = TYPE_DEPENDENT_SIZED_ARRAY;
}
void
ASTTypeWriter::VisitDependentSizedExtVectorType(
const DependentSizedExtVectorType *T) {
llvm_unreachable("Cannot serialize dependent sized extended vector types");
}
void
ASTTypeWriter::VisitTemplateTypeParmType(const TemplateTypeParmType *T) {
Record.push_back(T->getDepth());
Record.push_back(T->getIndex());
Record.push_back(T->isParameterPack());
Writer.AddDeclRef(T->getDecl(), Record);
Code = TYPE_TEMPLATE_TYPE_PARM;
}
void
ASTTypeWriter::VisitDependentNameType(const DependentNameType *T) {
Record.push_back(T->getKeyword());
Writer.AddNestedNameSpecifier(T->getQualifier(), Record);
Writer.AddIdentifierRef(T->getIdentifier(), Record);
Writer.AddTypeRef(T->isCanonicalUnqualified() ? QualType()
: T->getCanonicalTypeInternal(),
Record);
Code = TYPE_DEPENDENT_NAME;
}
void
ASTTypeWriter::VisitDependentTemplateSpecializationType(
const DependentTemplateSpecializationType *T) {
Record.push_back(T->getKeyword());
Writer.AddNestedNameSpecifier(T->getQualifier(), Record);
Writer.AddIdentifierRef(T->getIdentifier(), Record);
Record.push_back(T->getNumArgs());
for (const auto &I : *T)
Writer.AddTemplateArgument(I, Record);
Code = TYPE_DEPENDENT_TEMPLATE_SPECIALIZATION;
}
void ASTTypeWriter::VisitPackExpansionType(const PackExpansionType *T) {
Writer.AddTypeRef(T->getPattern(), Record);
if (Optional<unsigned> NumExpansions = T->getNumExpansions())
Record.push_back(*NumExpansions + 1);
else
Record.push_back(0);
Code = TYPE_PACK_EXPANSION;
}
void ASTTypeWriter::VisitParenType(const ParenType *T) {
Writer.AddTypeRef(T->getInnerType(), Record);
Code = TYPE_PAREN;
}
void ASTTypeWriter::VisitElaboratedType(const ElaboratedType *T) {
Record.push_back(T->getKeyword());
Writer.AddNestedNameSpecifier(T->getQualifier(), Record);
Writer.AddTypeRef(T->getNamedType(), Record);
Code = TYPE_ELABORATED;
}
void ASTTypeWriter::VisitInjectedClassNameType(const InjectedClassNameType *T) {
Writer.AddDeclRef(T->getDecl()->getCanonicalDecl(), Record);
Writer.AddTypeRef(T->getInjectedSpecializationType(), Record);
Code = TYPE_INJECTED_CLASS_NAME;
}
void ASTTypeWriter::VisitObjCInterfaceType(const ObjCInterfaceType *T) {
Writer.AddDeclRef(T->getDecl()->getCanonicalDecl(), Record);
Code = TYPE_OBJC_INTERFACE;
}
void ASTTypeWriter::VisitObjCObjectType(const ObjCObjectType *T) {
Writer.AddTypeRef(T->getBaseType(), Record);
Record.push_back(T->getTypeArgsAsWritten().size());
for (auto TypeArg : T->getTypeArgsAsWritten())
Writer.AddTypeRef(TypeArg, Record);
Record.push_back(T->getNumProtocols());
for (const auto *I : T->quals())
Writer.AddDeclRef(I, Record);
Record.push_back(T->isKindOfTypeAsWritten());
Code = TYPE_OBJC_OBJECT;
}
void
ASTTypeWriter::VisitObjCObjectPointerType(const ObjCObjectPointerType *T) {
Writer.AddTypeRef(T->getPointeeType(), Record);
Code = TYPE_OBJC_OBJECT_POINTER;
}
void
ASTTypeWriter::VisitAtomicType(const AtomicType *T) {
Writer.AddTypeRef(T->getValueType(), Record);
Code = TYPE_ATOMIC;
}
void
ASTTypeWriter::VisitPipeType(const PipeType *T) {
Writer.AddTypeRef(T->getElementType(), Record);
Code = TYPE_PIPE;
}
namespace {
class TypeLocWriter : public TypeLocVisitor<TypeLocWriter> {
ASTWriter &Writer;
ASTWriter::RecordDataImpl &Record;
public:
TypeLocWriter(ASTWriter &Writer, ASTWriter::RecordDataImpl &Record)
: Writer(Writer), Record(Record) { }
#define ABSTRACT_TYPELOC(CLASS, PARENT)
#define TYPELOC(CLASS, PARENT) \
void Visit##CLASS##TypeLoc(CLASS##TypeLoc TyLoc);
#include "clang/AST/TypeLocNodes.def"
void VisitArrayTypeLoc(ArrayTypeLoc TyLoc);
void VisitFunctionTypeLoc(FunctionTypeLoc TyLoc);
};
}
void TypeLocWriter::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) {
}
void TypeLocWriter::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) {
Writer.AddSourceLocation(TL.getBuiltinLoc(), Record);
if (TL.needsExtraLocalData()) {
Record.push_back(TL.getWrittenTypeSpec());
Record.push_back(TL.getWrittenSignSpec());
Record.push_back(TL.getWrittenWidthSpec());
Record.push_back(TL.hasModeAttr());
}
}
void TypeLocWriter::VisitComplexTypeLoc(ComplexTypeLoc TL) {
Writer.AddSourceLocation(TL.getNameLoc(), Record);
}
void TypeLocWriter::VisitPointerTypeLoc(PointerTypeLoc TL) {
Writer.AddSourceLocation(TL.getStarLoc(), Record);
}
void TypeLocWriter::VisitDecayedTypeLoc(DecayedTypeLoc TL) {
}
void TypeLocWriter::VisitAdjustedTypeLoc(AdjustedTypeLoc TL) {
}
void TypeLocWriter::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
Writer.AddSourceLocation(TL.getCaretLoc(), Record);
}
void TypeLocWriter::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
Writer.AddSourceLocation(TL.getAmpLoc(), Record);
}
void TypeLocWriter::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
Writer.AddSourceLocation(TL.getAmpAmpLoc(), Record);
}
void TypeLocWriter::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
Writer.AddSourceLocation(TL.getStarLoc(), Record);
Writer.AddTypeSourceInfo(TL.getClassTInfo(), Record);
}
void TypeLocWriter::VisitArrayTypeLoc(ArrayTypeLoc TL) {
Writer.AddSourceLocation(TL.getLBracketLoc(), Record);
Writer.AddSourceLocation(TL.getRBracketLoc(), Record);
Record.push_back(TL.getSizeExpr() ? 1 : 0);
if (TL.getSizeExpr())
Writer.AddStmt(TL.getSizeExpr());
}
void TypeLocWriter::VisitConstantArrayTypeLoc(ConstantArrayTypeLoc TL) {
VisitArrayTypeLoc(TL);
}
void TypeLocWriter::VisitIncompleteArrayTypeLoc(IncompleteArrayTypeLoc TL) {
VisitArrayTypeLoc(TL);
}
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.getNumParams(); i != e; ++i)
Writer.AddDeclRef(TL.getParam(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.getTypeArgsLAngleLoc(), Record);
Writer.AddSourceLocation(TL.getTypeArgsRAngleLoc(), Record);
for (unsigned i = 0, e = TL.getNumTypeArgs(); i != e; ++i)
Writer.AddTypeSourceInfo(TL.getTypeArgTInfo(i), Record);
Writer.AddSourceLocation(TL.getProtocolLAngleLoc(), Record);
Writer.AddSourceLocation(TL.getProtocolRAngleLoc(), 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);
}
void TypeLocWriter::VisitPipeTypeLoc(PipeTypeLoc TL) {
Writer.AddSourceLocation(TL.getKWLoc(), Record);
}
void ASTWriter::WriteTypeAbbrevs() {
using namespace llvm;
BitCodeAbbrev *Abv;
Abv = new BitCodeAbbrev();
Abv->Add(BitCodeAbbrevOp(serialization::TYPE_EXT_QUAL));
Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 3)); TypeExtQualAbbrev = Stream.EmitAbbrev(Abv);
Abv = new BitCodeAbbrev();
Abv->Add(BitCodeAbbrevOp(serialization::TYPE_FUNCTION_PROTO));
Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); Abv->Add(BitCodeAbbrevOp(0)); Abv->Add(BitCodeAbbrevOp(0)); Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); Abv->Add(BitCodeAbbrevOp(0)); Abv->Add(BitCodeAbbrevOp(0)); Abv->Add(BitCodeAbbrevOp(0)); Abv->Add(BitCodeAbbrevOp(0)); Abv->Add(BitCodeAbbrevOp(0)); Abv->Add(BitCodeAbbrevOp(EST_None)); Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); TypeFunctionProtoAbbrev = Stream.EmitAbbrev(Abv);
}
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);
if (!Name || 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_REF_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_PAREN_LIST);
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_DESIGNATED_INIT_UPDATE);
RECORD(EXPR_IMPLICIT_VALUE_INIT);
RECORD(EXPR_NO_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(STMT_CXX_CATCH);
RECORD(STMT_CXX_TRY);
RECORD(STMT_CXX_FOR_RANGE);
RECORD(EXPR_CXX_OPERATOR_CALL);
RECORD(EXPR_CXX_MEMBER_CALL);
RECORD(EXPR_CXX_CONSTRUCT);
RECORD(EXPR_CXX_TEMPORARY_OBJECT);
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_STD_INITIALIZER_LIST);
RECORD(EXPR_CXX_BOOL_LITERAL);
RECORD(EXPR_CXX_NULL_PTR_LITERAL);
RECORD(EXPR_CXX_TYPEID_EXPR);
RECORD(EXPR_CXX_TYPEID_TYPE);
RECORD(EXPR_CXX_THIS);
RECORD(EXPR_CXX_THROW);
RECORD(EXPR_CXX_DEFAULT_ARG);
RECORD(EXPR_CXX_DEFAULT_INIT);
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_EXPRESSION_TRAIT);
RECORD(EXPR_CXX_NOEXCEPT);
RECORD(EXPR_OPAQUE_VALUE);
RECORD(EXPR_BINARY_CONDITIONAL_OPERATOR);
RECORD(EXPR_TYPE_TRAIT);
RECORD(EXPR_ARRAY_TYPE_TRAIT);
RECORD(EXPR_PACK_EXPANSION);
RECORD(EXPR_SIZEOF_PACK);
RECORD(EXPR_SUBST_NON_TYPE_TEMPLATE_PARM);
RECORD(EXPR_SUBST_NON_TYPE_TEMPLATE_PARM_PACK);
RECORD(EXPR_FUNCTION_PARM_PACK);
RECORD(EXPR_MATERIALIZE_TEMPORARY);
RECORD(EXPR_CUDA_KERNEL_CALL);
RECORD(EXPR_CXX_UUIDOF_EXPR);
RECORD(EXPR_CXX_UUIDOF_TYPE);
RECORD(EXPR_LAMBDA);
#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)
BLOCK(CONTROL_BLOCK);
RECORD(METADATA);
RECORD(SIGNATURE);
RECORD(MODULE_NAME);
RECORD(MODULE_DIRECTORY);
RECORD(MODULE_MAP_FILE);
RECORD(IMPORTS);
RECORD(ORIGINAL_FILE);
RECORD(ORIGINAL_PCH_DIR);
RECORD(ORIGINAL_FILE_ID);
RECORD(INPUT_FILE_OFFSETS);
BLOCK(OPTIONS_BLOCK);
RECORD(LANGUAGE_OPTIONS);
RECORD(TARGET_OPTIONS);
RECORD(DIAGNOSTIC_OPTIONS);
RECORD(FILE_SYSTEM_OPTIONS);
RECORD(HEADER_SEARCH_OPTIONS);
RECORD(PREPROCESSOR_OPTIONS);
BLOCK(INPUT_FILES_BLOCK);
RECORD(INPUT_FILE);
BLOCK(AST_BLOCK);
RECORD(TYPE_OFFSET);
RECORD(DECL_OFFSET);
RECORD(IDENTIFIER_OFFSET);
RECORD(IDENTIFIER_TABLE);
RECORD(EAGERLY_DESERIALIZED_DECLS);
RECORD(SPECIAL_TYPES);
RECORD(STATISTICS);
RECORD(TENTATIVE_DEFINITIONS);
RECORD(SELECTOR_OFFSETS);
RECORD(METHOD_POOL);
RECORD(PP_COUNTER_VALUE);
RECORD(SOURCE_LOCATION_OFFSETS);
RECORD(SOURCE_LOCATION_PRELOADS);
RECORD(EXT_VECTOR_DECLS);
RECORD(UNUSED_FILESCOPED_DECLS);
RECORD(PPD_ENTITIES_OFFSETS);
RECORD(VTABLE_USES);
RECORD(REFERENCED_SELECTOR_POOL);
RECORD(TU_UPDATE_LEXICAL);
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(OBJC_CATEGORIES);
RECORD(MACRO_OFFSET);
RECORD(INTERESTING_IDENTIFIERS);
RECORD(UNDEFINED_BUT_USED);
RECORD(LATE_PARSED_TEMPLATE);
RECORD(OPTIMIZE_PRAGMA_OPTIONS);
RECORD(UNUSED_LOCAL_TYPEDEF_NAME_CANDIDATES);
RECORD(CXX_CTOR_INITIALIZERS_OFFSETS);
RECORD(DELETE_EXPRS_TO_ANALYZE);
BLOCK(SOURCE_MANAGER_BLOCK);
RECORD(SM_SLOC_FILE_ENTRY);
RECORD(SM_SLOC_BUFFER_ENTRY);
RECORD(SM_SLOC_BUFFER_BLOB);
RECORD(SM_SLOC_EXPANSION_ENTRY);
BLOCK(PREPROCESSOR_BLOCK);
RECORD(PP_MACRO_DIRECTIVE_HISTORY);
RECORD(PP_MACRO_FUNCTION_LIKE);
RECORD(PP_MACRO_OBJECT_LIKE);
RECORD(PP_MODULE_MACRO);
RECORD(PP_TOKEN);
BLOCK(SUBMODULE_BLOCK);
RECORD(SUBMODULE_METADATA);
RECORD(SUBMODULE_DEFINITION);
RECORD(SUBMODULE_UMBRELLA_HEADER);
RECORD(SUBMODULE_HEADER);
RECORD(SUBMODULE_TOPHEADER);
RECORD(SUBMODULE_UMBRELLA_DIR);
RECORD(SUBMODULE_IMPORTS);
RECORD(SUBMODULE_EXPORTS);
RECORD(SUBMODULE_REQUIRES);
RECORD(SUBMODULE_EXCLUDED_HEADER);
RECORD(SUBMODULE_LINK_LIBRARY);
RECORD(SUBMODULE_CONFIG_MACRO);
RECORD(SUBMODULE_CONFLICT);
RECORD(SUBMODULE_PRIVATE_HEADER);
RECORD(SUBMODULE_TEXTUAL_HEADER);
RECORD(SUBMODULE_PRIVATE_TEXTUAL_HEADER);
BLOCK(COMMENTS_BLOCK);
RECORD(COMMENTS_RAW_COMMENT);
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_NO_PROTO);
RECORD(TYPE_FUNCTION_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_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_AUTO);
RECORD(TYPE_UNARY_TRANSFORM);
RECORD(TYPE_ATOMIC);
RECORD(TYPE_DECAYED);
RECORD(TYPE_ADJUSTED);
RECORD(LOCAL_REDECLARATIONS);
RECORD(DECL_TYPEDEF);
RECORD(DECL_TYPEALIAS);
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_MS_PROPERTY);
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_VAR_TEMPLATE);
RECORD(DECL_VAR_TEMPLATE_SPECIALIZATION);
RECORD(DECL_VAR_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);
AddStmtsExprs(Stream, Record);
BLOCK(PREPROCESSOR_DETAIL_BLOCK);
RECORD(PPD_MACRO_EXPANSION);
RECORD(PPD_MACRO_DEFINITION);
RECORD(PPD_INCLUSION_DIRECTIVE);
BLOCK(EXTENSION_BLOCK);
RECORD(EXTENSION_METADATA);
#undef RECORD
#undef BLOCK
Stream.ExitBlock();
}
static bool cleanPathForOutput(FileManager &FileMgr,
SmallVectorImpl<char> &Path) {
bool Changed = FileMgr.makeAbsolutePath(Path);
return Changed | llvm::sys::path::remove_dots(Path);
}
static const char *
adjustFilenameForRelocatableAST(const char *Filename, StringRef BaseDir) {
assert(Filename && "No file name to adjust?");
if (BaseDir.empty())
return Filename;
unsigned Pos = 0;
for (; Filename[Pos] && Pos < BaseDir.size(); ++Pos)
if (Filename[Pos] != BaseDir[Pos])
return Filename;
if (!Filename[Pos])
return Filename;
if (!llvm::sys::path::is_separator(Filename[Pos])) {
if (!llvm::sys::path::is_separator(BaseDir.back()))
return Filename;
} else {
++Pos;
}
return Filename + Pos;
}
static ASTFileSignature getSignature() {
while (1) {
if (ASTFileSignature S = llvm::sys::Process::GetRandomNumber())
return S;
}
}
uint64_t ASTWriter::WriteControlBlock(Preprocessor &PP,
ASTContext &Context,
StringRef isysroot,
const std::string &OutputFile) {
ASTFileSignature Signature = 0;
using namespace llvm;
Stream.EnterSubblock(CONTROL_BLOCK_ID, 5);
RecordData Record;
auto *MetadataAbbrev = new BitCodeAbbrev();
MetadataAbbrev->Add(BitCodeAbbrevOp(METADATA));
MetadataAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); MetadataAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); MetadataAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); MetadataAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); MetadataAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); MetadataAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); MetadataAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); MetadataAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned MetadataAbbrevCode = Stream.EmitAbbrev(MetadataAbbrev);
assert((!WritingModule || isysroot.empty()) &&
"writing module as a relocatable PCH?");
{
RecordData::value_type Record[] = {METADATA, VERSION_MAJOR, VERSION_MINOR,
CLANG_VERSION_MAJOR, CLANG_VERSION_MINOR,
!isysroot.empty(), IncludeTimestamps,
ASTHasCompilerErrors};
Stream.EmitRecordWithBlob(MetadataAbbrevCode, Record,
getClangFullRepositoryVersion());
}
if (WritingModule) {
if (Context.getLangOpts().ImplicitModules) {
Signature = getSignature();
RecordData::value_type Record[] = {Signature};
Stream.EmitRecord(SIGNATURE, Record);
}
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(MODULE_NAME));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned AbbrevCode = Stream.EmitAbbrev(Abbrev);
RecordData::value_type Record[] = {MODULE_NAME};
Stream.EmitRecordWithBlob(AbbrevCode, Record, WritingModule->Name);
}
if (WritingModule && WritingModule->Directory) {
SmallString<128> BaseDir(WritingModule->Directory->getName());
cleanPathForOutput(Context.getSourceManager().getFileManager(), BaseDir);
if (!PP.getHeaderSearchInfo()
.getHeaderSearchOpts()
.ModuleMapFileHomeIsCwd ||
WritingModule->Directory->getName() != StringRef(".")) {
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(MODULE_DIRECTORY));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned AbbrevCode = Stream.EmitAbbrev(Abbrev);
RecordData::value_type Record[] = {MODULE_DIRECTORY};
Stream.EmitRecordWithBlob(AbbrevCode, Record, BaseDir);
}
BaseDirectory.assign(BaseDir.begin(), BaseDir.end());
} else if (!isysroot.empty()) {
BaseDirectory = isysroot;
}
if (WritingModule) {
Record.clear();
auto &Map = PP.getHeaderSearchInfo().getModuleMap();
AddPath(Map.getModuleMapFileForUniquing(WritingModule)->getName(), Record);
if (auto *AdditionalModMaps =
Map.getAdditionalModuleMapFiles(WritingModule)) {
Record.push_back(AdditionalModMaps->size());
for (const FileEntry *F : *AdditionalModMaps)
AddPath(F->getName(), Record);
} else {
Record.push_back(0);
}
Stream.EmitRecord(MODULE_MAP_FILE, Record);
}
if (Chain) {
serialization::ModuleManager &Mgr = Chain->getModuleManager();
Record.clear();
for (auto *M : Mgr) {
if (!M->isDirectlyImported())
continue;
Record.push_back((unsigned)M->Kind); AddSourceLocation(M->ImportLoc, Record);
Record.push_back(M->File->getSize());
Record.push_back(getTimestampForOutput(M->File));
Record.push_back(M->Signature);
AddPath(M->FileName, Record);
}
Stream.EmitRecord(IMPORTS, Record);
}
Stream.EnterSubblock(OPTIONS_BLOCK_ID, 4);
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"
#define SANITIZER(NAME, ID) \
Record.push_back(LangOpts.Sanitize.has(SanitizerKind::ID));
#include "clang/Basic/Sanitizers.def"
Record.push_back(LangOpts.ModuleFeatures.size());
for (StringRef Feature : LangOpts.ModuleFeatures)
AddString(Feature, Record);
Record.push_back((unsigned) LangOpts.ObjCRuntime.getKind());
AddVersionTuple(LangOpts.ObjCRuntime.getVersion(), Record);
AddString(LangOpts.CurrentModule, Record);
Record.push_back(LangOpts.CommentOpts.BlockCommandNames.size());
for (const auto &I : LangOpts.CommentOpts.BlockCommandNames) {
AddString(I, Record);
}
Record.push_back(LangOpts.CommentOpts.ParseAllComments);
Record.push_back(LangOpts.OMPTargetTriples.size());
for (auto &T : LangOpts.OMPTargetTriples)
AddString(T.getTriple(), Record);
AddString(LangOpts.OMPHostIRFile, Record);
Stream.EmitRecord(LANGUAGE_OPTIONS, Record);
Record.clear();
const TargetInfo &Target = Context.getTargetInfo();
const TargetOptions &TargetOpts = Target.getTargetOpts();
AddString(TargetOpts.Triple, Record);
AddString(TargetOpts.CPU, Record);
AddString(TargetOpts.ABI, 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);
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);
Record.push_back(DiagOpts.Remarks.size());
for (unsigned I = 0, N = DiagOpts.Remarks.size(); I != N; ++I)
AddString(DiagOpts.Remarks[I], Record);
Stream.EmitRecord(DIAGNOSTIC_OPTIONS, Record);
Record.clear();
const FileSystemOptions &FSOpts =
Context.getSourceManager().getFileManager().getFileSystemOpts();
AddString(FSOpts.WorkingDir, Record);
Stream.EmitRecord(FILE_SYSTEM_OPTIONS, Record);
Record.clear();
const HeaderSearchOptions &HSOpts
= PP.getHeaderSearchInfo().getHeaderSearchOpts();
AddString(HSOpts.Sysroot, Record);
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.IsFramework);
Record.push_back(Entry.IgnoreSysRoot);
}
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);
AddString(HSOpts.ModuleUserBuildPath, 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);
AddString(PP.getHeaderSearchInfo().getModuleCachePath(), Record);
Stream.EmitRecord(HEADER_SEARCH_OPTIONS, Record);
Record.clear();
const PreprocessorOptions &PPOpts = PP.getPreprocessorOpts();
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);
}
Record.push_back(PPOpts.Includes.size());
for (unsigned I = 0, N = PPOpts.Includes.size(); I != N; ++I)
AddString(PPOpts.Includes[I], Record);
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);
Record.push_back(PPOpts.DetailedRecord);
AddString(PPOpts.ImplicitPCHInclude, Record);
AddString(PPOpts.ImplicitPTHInclude, Record);
Record.push_back(static_cast<unsigned>(PPOpts.ObjCXXARCStandardLibrary));
Stream.EmitRecord(PREPROCESSOR_OPTIONS, Record);
Stream.ExitBlock();
SourceManager &SM = Context.getSourceManager();
if (const FileEntry *MainFile = SM.getFileEntryForID(SM.getMainFileID())) {
auto *FileAbbrev = new BitCodeAbbrev();
FileAbbrev->Add(BitCodeAbbrevOp(ORIGINAL_FILE));
FileAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); FileAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned FileAbbrevCode = Stream.EmitAbbrev(FileAbbrev);
Record.clear();
Record.push_back(ORIGINAL_FILE);
Record.push_back(SM.getMainFileID().getOpaqueValue());
EmitRecordWithPath(FileAbbrevCode, Record, MainFile->getName());
}
Record.clear();
Record.push_back(SM.getMainFileID().getOpaqueValue());
Stream.EmitRecord(ORIGINAL_FILE_ID, Record);
if (!OutputFile.empty() && OutputFile != "-") {
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(ORIGINAL_PCH_DIR));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned AbbrevCode = Stream.EmitAbbrev(Abbrev);
SmallString<128> OutputPath(OutputFile);
SM.getFileManager().makeAbsolutePath(OutputPath);
StringRef origDir = llvm::sys::path::parent_path(OutputPath);
RecordData::value_type Record[] = {ORIGINAL_PCH_DIR};
Stream.EmitRecordWithBlob(AbbrevCode, Record, origDir);
}
WriteInputFiles(Context.SourceMgr,
PP.getHeaderSearchInfo().getHeaderSearchOpts(),
PP.getLangOpts().Modules);
Stream.ExitBlock();
return Signature;
}
namespace {
struct InputFileEntry {
const FileEntry *File;
bool IsSystemFile;
bool IsTransient;
bool BufferOverridden;
};
}
void ASTWriter::WriteInputFiles(SourceManager &SourceMgr,
HeaderSearchOptions &HSOpts,
bool Modules) {
using namespace llvm;
Stream.EnterSubblock(INPUT_FILES_BLOCK_ID, 4);
auto *IFAbbrev = new BitCodeAbbrev();
IFAbbrev->Add(BitCodeAbbrevOp(INPUT_FILE));
IFAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); IFAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 12)); IFAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 32)); IFAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); IFAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); IFAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned IFAbbrevCode = Stream.EmitAbbrev(IFAbbrev);
std::deque<InputFileEntry> SortedFiles;
for (unsigned I = 1, N = SourceMgr.local_sloc_entry_size(); I != N; ++I) {
const SrcMgr::SLocEntry *SLoc = &SourceMgr.getLocalSLocEntry(I);
assert(&SourceMgr.getSLocEntry(FileID::get(I)) == SLoc);
if (!SLoc->isFile())
continue;
const SrcMgr::ContentCache *Cache = SLoc->getFile().getContentCache();
if (!Cache->OrigEntry)
continue;
InputFileEntry Entry;
Entry.File = Cache->OrigEntry;
Entry.IsSystemFile = Cache->IsSystemFile;
Entry.IsTransient = Cache->IsTransient;
Entry.BufferOverridden = Cache->BufferOverridden;
if (Cache->IsSystemFile)
SortedFiles.push_back(Entry);
else
SortedFiles.push_front(Entry);
}
unsigned UserFilesNum = 0;
std::vector<uint64_t> InputFileOffsets;
for (const auto &Entry : SortedFiles) {
uint32_t &InputFileID = InputFileIDs[Entry.File];
if (InputFileID != 0)
continue;
InputFileOffsets.push_back(Stream.GetCurrentBitNo());
InputFileID = InputFileOffsets.size();
if (!Entry.IsSystemFile)
++UserFilesNum;
RecordData::value_type Record[] = {
INPUT_FILE,
InputFileOffsets.size(),
(uint64_t)Entry.File->getSize(),
(uint64_t)getTimestampForOutput(Entry.File),
Entry.BufferOverridden,
Entry.IsTransient};
EmitRecordWithPath(IFAbbrevCode, Record, Entry.File->getName());
}
Stream.ExitBlock();
auto *OffsetsAbbrev = new BitCodeAbbrev();
OffsetsAbbrev->Add(BitCodeAbbrevOp(INPUT_FILE_OFFSETS));
OffsetsAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); OffsetsAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); OffsetsAbbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned OffsetsAbbrevCode = Stream.EmitAbbrev(OffsetsAbbrev);
RecordData::value_type Record[] = {INPUT_FILE_OFFSETS,
InputFileOffsets.size(), UserFilesNum};
Stream.EmitRecordWithBlob(OffsetsAbbrevCode, Record, bytes(InputFileOffsets));
}
static unsigned CreateSLocFileAbbrev(llvm::BitstreamWriter &Stream) {
using namespace llvm;
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SM_SLOC_FILE_ENTRY));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 24)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); return Stream.EmitAbbrev(Abbrev);
}
static unsigned CreateSLocBufferAbbrev(llvm::BitstreamWriter &Stream) {
using namespace llvm;
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SM_SLOC_BUFFER_ENTRY));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); return Stream.EmitAbbrev(Abbrev);
}
static unsigned CreateSLocBufferBlobAbbrev(llvm::BitstreamWriter &Stream) {
using namespace llvm;
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SM_SLOC_BUFFER_BLOB));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); return Stream.EmitAbbrev(Abbrev);
}
static unsigned CreateSLocExpansionAbbrev(llvm::BitstreamWriter &Stream) {
using namespace llvm;
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SM_SLOC_EXPANSION_ENTRY));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); return Stream.EmitAbbrev(Abbrev);
}
namespace {
class HeaderFileInfoTrait {
ASTWriter &Writer;
const HeaderSearch &HS;
SmallVector<char, 128> FrameworkStringData;
llvm::StringMap<unsigned> FrameworkNameOffset;
public:
HeaderFileInfoTrait(ASTWriter &Writer, const HeaderSearch &HS)
: Writer(Writer), HS(HS) { }
struct key_type {
const FileEntry *FE;
const char *Filename;
};
typedef const key_type &key_type_ref;
typedef HeaderFileInfo data_type;
typedef const data_type &data_type_ref;
typedef unsigned hash_value_type;
typedef unsigned offset_type;
hash_value_type ComputeHash(key_type_ref key) {
return llvm::hash_combine(key.FE->getSize(),
Writer.getTimestampForOutput(key.FE));
}
std::pair<unsigned,unsigned>
EmitKeyDataLength(raw_ostream& Out, key_type_ref key, data_type_ref Data) {
using namespace llvm::support;
endian::Writer<little> LE(Out);
unsigned KeyLen = strlen(key.Filename) + 1 + 8 + 8;
LE.write<uint16_t>(KeyLen);
unsigned DataLen = 1 + 2 + 4 + 4;
for (auto ModInfo : HS.getModuleMap().findAllModulesForHeader(key.FE))
if (Writer.getLocalOrImportedSubmoduleID(ModInfo.getModule()))
DataLen += 4;
LE.write<uint8_t>(DataLen);
return std::make_pair(KeyLen, DataLen);
}
void EmitKey(raw_ostream& Out, key_type_ref key, unsigned KeyLen) {
using namespace llvm::support;
endian::Writer<little> LE(Out);
LE.write<uint64_t>(key.FE->getSize());
KeyLen -= 8;
LE.write<uint64_t>(Writer.getTimestampForOutput(key.FE));
KeyLen -= 8;
Out.write(key.Filename, KeyLen);
}
void EmitData(raw_ostream &Out, key_type_ref key,
data_type_ref Data, unsigned DataLen) {
using namespace llvm::support;
endian::Writer<little> LE(Out);
uint64_t Start = Out.tell(); (void)Start;
unsigned char Flags = (Data.isImport << 4)
| (Data.isPragmaOnce << 3)
| (Data.DirInfo << 1)
| Data.IndexHeaderMapHeader;
LE.write<uint8_t>(Flags);
LE.write<uint16_t>(Data.NumIncludes);
if (!Data.ControllingMacro)
LE.write<uint32_t>(Data.ControllingMacroID);
else
LE.write<uint32_t>(Writer.getIdentifierRef(Data.ControllingMacro));
unsigned Offset = 0;
if (!Data.Framework.empty()) {
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;
}
LE.write<uint32_t>(Offset);
for (auto ModInfo : HS.getModuleMap().findAllModulesForHeader(key.FE)) {
if (uint32_t ModID =
Writer.getLocalOrImportedSubmoduleID(ModInfo.getModule())) {
uint32_t Value = (ModID << 2) | (unsigned)ModInfo.getRole();
assert((Value >> 2) == ModID && "overflow in header module info");
LE.write<uint32_t>(Value);
}
}
assert(Out.tell() - Start == DataLen && "Wrong data length");
}
const char *strings_begin() const { return FrameworkStringData.begin(); }
const char *strings_end() const { return FrameworkStringData.end(); }
};
}
void ASTWriter::WriteHeaderSearch(const HeaderSearch &HS) {
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, HS);
llvm::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;
const HeaderFileInfo *HFI =
HS.getExistingFileInfo(File, !Chain);
if (!HFI || (HFI->isModuleHeader && !HFI->isCompilingModuleHeader))
continue;
const char *Filename = File->getName();
SmallString<128> FilenameTmp(Filename);
if (PreparePathForOutput(FilenameTmp)) {
Filename = strdup(FilenameTmp.c_str());
SavedStrings.push_back(Filename);
}
HeaderFileInfoTrait::key_type key = { File, Filename };
Generator.insert(key, *HFI, GeneratorTrait);
++NumHeaderSearchEntries;
}
SmallString<4096> TableData;
uint32_t BucketOffset;
{
using namespace llvm::support;
llvm::raw_svector_ostream Out(TableData);
endian::Writer<little>(Out).write<uint32_t>(0);
BucketOffset = Generator.Emit(Out, GeneratorTrait);
}
using namespace llvm;
auto *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);
RecordData::value_type Record[] = {HEADER_SEARCH_TABLE, BucketOffset,
NumHeaderSearchEntries, TableData.size()};
TableData.append(GeneratorTrait.strings_begin(),GeneratorTrait.strings_end());
Stream.EmitRecordWithBlob(TableAbbrev, Record, TableData);
for (unsigned I = 0, N = SavedStrings.size(); I != N; ++I)
free(const_cast<char *>(SavedStrings[I]));
}
void ASTWriter::WriteSourceManagerBlock(SourceManager &SourceMgr,
const Preprocessor &PP) {
RecordData Record;
Stream.EnterSubblock(SOURCE_MANAGER_BLOCK_ID, 3);
unsigned SLocFileAbbrv = CreateSLocFileAbbrev(Stream);
unsigned SLocBufferAbbrv = CreateSLocBufferAbbrev(Stream);
unsigned SLocBufferBlobAbbrv = CreateSLocBufferBlobAbbrev(Stream);
unsigned SLocExpansionAbbrv = CreateSLocExpansionAbbrev(Stream);
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) {
const SrcMgr::SLocEntry *SLoc = &SourceMgr.getLocalSLocEntry(I);
FileID FID = FileID::get(I);
assert(&SourceMgr.getSLocEntry(FID) == SLoc);
SLocEntryOffsets.push_back(Stream.GetCurrentBitNo());
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);
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()); 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");
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 || Content->IsTransient) {
RecordData::value_type Record[] = {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 {
const llvm::MemoryBuffer *Buffer
= Content->getBuffer(PP.getDiagnostics(), PP.getSourceManager());
const char *Name = Buffer->getBufferIdentifier();
Stream.EmitRecordWithBlob(SLocBufferAbbrv, Record,
StringRef(Name, strlen(Name) + 1));
RecordData::value_type Record[] = {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 {
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());
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;
using namespace llvm;
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SOURCE_LOCATION_OFFSETS));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 16)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 16)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned SLocOffsetsAbbrev = Stream.EmitAbbrev(Abbrev);
{
RecordData::value_type Record[] = {
SOURCE_LOCATION_OFFSETS, SLocEntryOffsets.size(),
SourceMgr.getNextLocalOffset() - 1 };
Stream.EmitRecordWithBlob(SLocOffsetsAbbrev, Record,
bytes(SLocEntryOffsets));
}
Stream.EmitRecord(SOURCE_LOCATION_PRELOADS, PreloadSLocs);
if (SourceMgr.hasLineTable()) {
LineTableInfo &LineTable = SourceMgr.getLineTable();
Record.clear();
llvm::DenseMap<int, int> FilenameMap;
for (const auto &L : LineTable) {
if (L.first.ID < 0)
continue;
for (auto &LE : L.second) {
if (FilenameMap.insert(std::make_pair(LE.FilenameID,
FilenameMap.size())).second)
AddPath(LineTable.getFilename(LE.FilenameID), Record);
}
}
Record.push_back(0);
for (const auto &L : LineTable) {
if (L.first.ID < 0)
continue;
Record.push_back(L.first.ID);
Record.push_back(L.second.size());
for (const auto &LE : L.second) {
Record.push_back(LE.FileOffset);
Record.push_back(LE.LineNo);
Record.push_back(FilenameMap[LE.FilenameID]);
Record.push_back((unsigned)LE.FileKind);
Record.push_back(LE.IncludeOffset);
}
}
Stream.EmitRecord(SOURCE_MANAGER_LINE_TABLE, Record);
}
}
static bool shouldIgnoreMacro(MacroDirective *MD, bool IsModule,
const Preprocessor &PP) {
if (MacroInfo *MI = MD->getMacroInfo())
if (MI->isBuiltinMacro())
return true;
if (IsModule) {
SourceLocation Loc = MD->getLocation();
if (Loc.isInvalid())
return true;
if (PP.getSourceManager().getFileID(Loc) == PP.getPredefinesFileID())
return true;
}
return false;
}
void ASTWriter::WritePreprocessor(const Preprocessor &PP, bool IsModule) {
PreprocessingRecord *PPRec = PP.getPreprocessingRecord();
if (PPRec)
WritePreprocessorDetail(*PPRec);
RecordData Record;
RecordData ModuleMacroRecord;
if (PP.getCounterValue() != 0) {
RecordData::value_type Record[] = {PP.getCounterValue()};
Stream.EmitRecord(PP_COUNTER_VALUE, Record);
}
Stream.EnterSubblock(PREPROCESSOR_BLOCK_ID, 3);
if (PP.SawDateOrTime())
PP.Diag(SourceLocation(), diag::warn_module_uses_date_time) << IsModule;
SmallVector<const IdentifierInfo *, 128> MacroIdentifiers;
for (auto &Id : PP.getIdentifierTable())
if (Id.second->hadMacroDefinition() &&
(!Id.second->isFromAST() ||
Id.second->hasChangedSinceDeserialization()))
MacroIdentifiers.push_back(Id.second);
std::sort(MacroIdentifiers.begin(), MacroIdentifiers.end(),
llvm::less_ptr<IdentifierInfo>());
for (const IdentifierInfo *Name : MacroIdentifiers) {
MacroDirective *MD = PP.getLocalMacroDirectiveHistory(Name);
auto StartOffset = Stream.GetCurrentBitNo();
for (; MD; MD = MD->getPrevious()) {
if (shouldIgnoreMacro(MD, IsModule, PP))
break;
AddSourceLocation(MD->getLocation(), Record);
Record.push_back(MD->getKind());
if (auto *DefMD = dyn_cast<DefMacroDirective>(MD)) {
Record.push_back(getMacroRef(DefMD->getInfo(), Name));
} else if (auto *VisMD = dyn_cast<VisibilityMacroDirective>(MD)) {
Record.push_back(VisMD->isPublic());
}
}
bool EmittedModuleMacros = false;
auto Leafs = PP.getLeafModuleMacros(Name);
SmallVector<ModuleMacro*, 8> Worklist(Leafs.begin(), Leafs.end());
llvm::DenseMap<ModuleMacro*, unsigned> Visits;
while (!Worklist.empty()) {
auto *Macro = Worklist.pop_back_val();
ModuleMacroRecord.push_back(
getSubmoduleID(Macro->getOwningModule()));
ModuleMacroRecord.push_back(getMacroRef(Macro->getMacroInfo(), Name));
for (auto *M : Macro->overrides())
ModuleMacroRecord.push_back(getSubmoduleID(M->getOwningModule()));
Stream.EmitRecord(PP_MODULE_MACRO, ModuleMacroRecord);
ModuleMacroRecord.clear();
for (auto *M : Macro->overrides())
if (++Visits[M] == M->getNumOverridingMacros())
Worklist.push_back(M);
EmittedModuleMacros = true;
}
if (Record.empty() && !EmittedModuleMacros)
continue;
IdentMacroDirectivesOffsetMap[Name] = StartOffset;
Stream.EmitRecord(PP_MACRO_DIRECTIVE_HISTORY, Record);
Record.clear();
}
std::vector<uint32_t> MacroOffsets;
for (unsigned I = 0, N = MacroInfosToEmit.size(); I != N; ++I) {
const IdentifierInfo *Name = MacroInfosToEmit[I].Name;
MacroInfo *MI = MacroInfosToEmit[I].MI;
MacroID ID = MacroInfosToEmit[I].ID;
if (ID < FirstMacroID) {
assert(0 && "Loaded MacroInfo entered MacroInfosToEmit ?");
continue;
}
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);
Record.push_back(inferSubmoduleIDFromLocation(MI->getDefinitionLoc()));
AddSourceLocation(MI->getDefinitionLoc(), Record);
AddSourceLocation(MI->getDefinitionEndLoc(), Record);
Record.push_back(MI->isUsed());
Record.push_back(MI->isUsedForHeaderGuard());
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 (const IdentifierInfo *Arg : MI->args())
AddIdentifierRef(Arg, Record);
}
if (PPRec)
Record.push_back(MacroDefinitions[PPRec->findMacroDefinition(MI)]);
Stream.EmitRecord(Code, Record);
Record.clear();
for (unsigned TokNo = 0, e = MI->getNumTokens(); TokNo != e; ++TokNo) {
const Token &Tok = MI->getReplacementToken(TokNo);
AddToken(Tok, Record);
Stream.EmitRecord(PP_TOKEN, Record);
Record.clear();
}
++NumMacros;
}
Stream.ExitBlock();
using namespace llvm;
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(MACRO_OFFSET));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
unsigned MacroOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
{
RecordData::value_type Record[] = {MACRO_OFFSET, MacroOffsets.size(),
FirstMacroID - NUM_PREDEF_MACRO_IDS};
Stream.EmitRecordWithBlob(MacroOffsetAbbrev, Record, bytes(MacroOffsets));
}
}
void ASTWriter::WritePreprocessorDetail(PreprocessingRecord &PPRec) {
if (PPRec.local_begin() == PPRec.local_end())
return;
SmallVector<PPEntityOffset, 64> PreprocessedEntityOffsets;
Stream.EnterSubblock(PREPROCESSOR_DETAIL_BLOCK_ID, 3);
unsigned NumPreprocessingRecords = 0;
using namespace llvm;
unsigned InclusionAbbrev = 0;
{
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(PPD_INCLUSION_DIRECTIVE));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 2)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); 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 (auto *MD = dyn_cast<MacroDefinitionRecord>(*E)) {
MacroDefinitions[MD] = NextPreprocessorEntityID;
AddIdentifierRef(MD->getName(), Record);
Stream.EmitRecord(PPD_MACRO_DEFINITION, Record);
continue;
}
if (auto *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 (auto *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();
if (ID->getFile())
Buffer += ID->getFile()->getName();
Stream.EmitRecordWithBlob(InclusionAbbrev, Record, Buffer);
continue;
}
llvm_unreachable("Unhandled PreprocessedEntity in ASTWriter");
}
Stream.ExitBlock();
if (NumPreprocessingRecords > 0) {
assert(PreprocessedEntityOffsets.size() == NumPreprocessingRecords);
using namespace llvm;
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(PPD_ENTITIES_OFFSETS));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
unsigned PPEOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
RecordData::value_type Record[] = {PPD_ENTITIES_OFFSETS,
FirstPreprocessorEntityID -
NUM_PREDEF_PP_ENTITY_IDS};
Stream.EmitRecordWithBlob(PPEOffsetAbbrev, Record,
bytes(PreprocessedEntityOffsets));
}
}
unsigned ASTWriter::getLocalOrImportedSubmoduleID(Module *Mod) {
if (!Mod)
return 0;
llvm::DenseMap<Module *, unsigned>::iterator Known = SubmoduleIDs.find(Mod);
if (Known != SubmoduleIDs.end())
return Known->second;
if (Mod->getTopLevelModule() != WritingModule)
return 0;
return SubmoduleIDs[Mod] = NextSubmoduleID++;
}
unsigned ASTWriter::getSubmoduleID(Module *Mod) {
unsigned ID = getLocalOrImportedSubmoduleID(Mod);
assert((ID || !Mod) &&
"asked for module ID for non-local, non-imported module");
return ID;
}
static unsigned getNumberOfModules(Module *Mod) {
unsigned ChildModules = 0;
for (auto Sub = Mod->submodule_begin(), SubEnd = Mod->submodule_end();
Sub != SubEnd; ++Sub)
ChildModules += getNumberOfModules(*Sub);
return ChildModules + 1;
}
void ASTWriter::WriteSubmodules(Module *WritingModule) {
Stream.EnterSubblock(SUBMODULE_BLOCK_ID, 5);
using namespace llvm;
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_DEFINITION));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned DefinitionAbbrev = Stream.EmitAbbrev(Abbrev);
Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_UMBRELLA_HEADER));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned UmbrellaAbbrev = Stream.EmitAbbrev(Abbrev);
Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_HEADER));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned HeaderAbbrev = Stream.EmitAbbrev(Abbrev);
Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_TOPHEADER));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned TopHeaderAbbrev = Stream.EmitAbbrev(Abbrev);
Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_UMBRELLA_DIR));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned UmbrellaDirAbbrev = Stream.EmitAbbrev(Abbrev);
Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_REQUIRES));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned RequiresAbbrev = Stream.EmitAbbrev(Abbrev);
Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_EXCLUDED_HEADER));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned ExcludedHeaderAbbrev = Stream.EmitAbbrev(Abbrev);
Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_TEXTUAL_HEADER));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned TextualHeaderAbbrev = Stream.EmitAbbrev(Abbrev);
Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_PRIVATE_HEADER));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned PrivateHeaderAbbrev = Stream.EmitAbbrev(Abbrev);
Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_PRIVATE_TEXTUAL_HEADER));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned PrivateTextualHeaderAbbrev = Stream.EmitAbbrev(Abbrev);
Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_LINK_LIBRARY));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned LinkLibraryAbbrev = Stream.EmitAbbrev(Abbrev);
Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_CONFIG_MACRO));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned ConfigMacroAbbrev = Stream.EmitAbbrev(Abbrev);
Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SUBMODULE_CONFLICT));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned ConflictAbbrev = Stream.EmitAbbrev(Abbrev);
RecordData::value_type Record[] = {getNumberOfModules(WritingModule),
FirstSubmoduleID -
NUM_PREDEF_SUBMODULE_IDS};
Stream.EmitRecord(SUBMODULE_METADATA, Record);
std::queue<Module *> Q;
Q.push(WritingModule);
while (!Q.empty()) {
Module *Mod = Q.front();
Q.pop();
unsigned ID = getSubmoduleID(Mod);
uint64_t ParentID = 0;
if (Mod->Parent) {
assert(SubmoduleIDs[Mod->Parent] && "Submodule parent not written?");
ParentID = SubmoduleIDs[Mod->Parent];
}
{
RecordData::value_type Record[] = {
SUBMODULE_DEFINITION, ID, ParentID, Mod->IsFramework, Mod->IsExplicit,
Mod->IsSystem, Mod->IsExternC, Mod->IsSwiftInferImportAsMember,
Mod->InferSubmodules, Mod->InferExplicitSubmodules,
Mod->InferExportWildcard, Mod->ConfigMacrosExhaustive};
Stream.EmitRecordWithBlob(DefinitionAbbrev, Record, Mod->Name);
}
for (const auto &R : Mod->Requirements) {
RecordData::value_type Record[] = {SUBMODULE_REQUIRES, R.second};
Stream.EmitRecordWithBlob(RequiresAbbrev, Record, R.first);
}
if (auto UmbrellaHeader = Mod->getUmbrellaHeader()) {
RecordData::value_type Record[] = {SUBMODULE_UMBRELLA_HEADER};
Stream.EmitRecordWithBlob(UmbrellaAbbrev, Record,
UmbrellaHeader.NameAsWritten);
} else if (auto UmbrellaDir = Mod->getUmbrellaDir()) {
RecordData::value_type Record[] = {SUBMODULE_UMBRELLA_DIR};
Stream.EmitRecordWithBlob(UmbrellaDirAbbrev, Record,
UmbrellaDir.NameAsWritten);
}
struct {
unsigned RecordKind;
unsigned Abbrev;
Module::HeaderKind HeaderKind;
} HeaderLists[] = {
{SUBMODULE_HEADER, HeaderAbbrev, Module::HK_Normal},
{SUBMODULE_TEXTUAL_HEADER, TextualHeaderAbbrev, Module::HK_Textual},
{SUBMODULE_PRIVATE_HEADER, PrivateHeaderAbbrev, Module::HK_Private},
{SUBMODULE_PRIVATE_TEXTUAL_HEADER, PrivateTextualHeaderAbbrev,
Module::HK_PrivateTextual},
{SUBMODULE_EXCLUDED_HEADER, ExcludedHeaderAbbrev, Module::HK_Excluded}
};
for (auto &HL : HeaderLists) {
RecordData::value_type Record[] = {HL.RecordKind};
for (auto &H : Mod->Headers[HL.HeaderKind])
Stream.EmitRecordWithBlob(HL.Abbrev, Record, H.NameAsWritten);
}
{
auto TopHeaders = Mod->getTopHeaders(PP->getFileManager());
RecordData::value_type Record[] = {SUBMODULE_TOPHEADER};
for (auto *H : TopHeaders)
Stream.EmitRecordWithBlob(TopHeaderAbbrev, Record, H->getName());
}
if (!Mod->Imports.empty()) {
RecordData Record;
for (auto *I : Mod->Imports)
Record.push_back(getSubmoduleID(I));
Stream.EmitRecord(SUBMODULE_IMPORTS, Record);
}
if (!Mod->Exports.empty()) {
RecordData Record;
for (const auto &E : Mod->Exports) {
Record.push_back(getSubmoduleID(E.getPointer()));
Record.push_back(E.getInt());
}
Stream.EmitRecord(SUBMODULE_EXPORTS, Record);
}
for (const auto &LL : Mod->LinkLibraries) {
RecordData::value_type Record[] = {SUBMODULE_LINK_LIBRARY,
LL.IsFramework};
Stream.EmitRecordWithBlob(LinkLibraryAbbrev, Record, LL.Library);
}
for (const auto &C : Mod->Conflicts) {
RecordData::value_type Record[] = {SUBMODULE_CONFLICT,
getSubmoduleID(C.Other)};
Stream.EmitRecordWithBlob(ConflictAbbrev, Record, C.Message);
}
for (const auto &CM : Mod->ConfigMacros) {
RecordData::value_type Record[] = {SUBMODULE_CONFIG_MACRO};
Stream.EmitRecordWithBlob(ConfigMacroAbbrev, Record, CM);
}
for (auto *M : Mod->submodules())
Q.push(M);
}
Stream.ExitBlock();
assert((NextSubmoduleID - FirstSubmoduleID ==
getNumberOfModules(WritingModule)) &&
"Wrong # of submodules; found a reference to a non-local, "
"non-imported submodule?");
}
serialization::SubmoduleID
ASTWriter::inferSubmoduleIDFromLocation(SourceLocation Loc) {
if (Loc.isInvalid() || !WritingModule)
return 0;
ModuleMap &ModMap = PP->getHeaderSearchInfo().getModuleMap();
Module *OwningMod
= ModMap.inferModuleFromLocation(FullSourceLoc(Loc,PP->getSourceManager()));
if (!OwningMod)
return 0;
if (WritingModule != OwningMod && !OwningMod->isSubModuleOf(WritingModule))
return 0;
return getSubmoduleID(OwningMod);
}
void ASTWriter::WritePragmaDiagnosticMappings(const DiagnosticsEngine &Diag,
bool isModule) {
if (isModule)
return;
llvm::SmallDenseMap<const DiagnosticsEngine::DiagState *, unsigned, 64>
DiagStateIDMap;
unsigned CurrID = 0;
DiagStateIDMap[&Diag.DiagStates.front()] = ++CurrID; 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 (const auto &I : *(point.State)) {
if (I.second.isPragma()) {
Record.push_back(I.first);
Record.push_back((unsigned)I.second.getSeverity());
}
}
Record.push_back(-1); }
}
if (!Record.empty())
Stream.EmitRecord(DIAG_PRAGMA_MAPPINGS, Record);
}
void ASTWriter::WriteCXXCtorInitializersOffsets() {
if (CXXCtorInitializersOffsets.empty())
return;
using namespace llvm;
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(CXX_CTOR_INITIALIZERS_OFFSETS));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
unsigned CtorInitializersOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
RecordData::value_type Record[] = {CXX_CTOR_INITIALIZERS_OFFSETS,
CXXCtorInitializersOffsets.size()};
Stream.EmitRecordWithBlob(CtorInitializersOffsetAbbrev, Record,
bytes(CXXCtorInitializersOffsets));
}
void ASTWriter::WriteCXXBaseSpecifiersOffsets() {
if (CXXBaseSpecifiersOffsets.empty())
return;
using namespace llvm;
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(CXX_BASE_SPECIFIER_OFFSETS));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
unsigned BaseSpecifierOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
RecordData::value_type Record[] = {CXX_BASE_SPECIFIER_OFFSETS,
CXXBaseSpecifiersOffsets.size()};
Stream.EmitRecordWithBlob(BaseSpecifierOffsetAbbrev, Record,
bytes(CXXBaseSpecifiersOffsets));
}
void ASTWriter::WriteType(QualType T) {
TypeIdx &Idx = TypeIdxs[T];
if (Idx.getIndex() == 0) Idx = TypeIdx(NextTypeID++);
assert(Idx.getIndex() >= FirstTypeID && "Re-writing a type from a prior AST");
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;
ASTTypeWriter W(*this, Record);
W.AbbrevToUse = 0;
if (T.hasLocalNonFastQualifiers()) {
Qualifiers Qs = T.getLocalQualifiers();
AddTypeRef(T.getLocalUnqualifiedType(), Record);
Record.push_back(Qs.getAsOpaqueValue());
W.Code = TYPE_EXT_QUAL;
W.AbbrevToUse = TypeExtQualAbbrev;
} else {
switch (T->getTypeClass()) {
#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"
}
}
Stream.EmitRecord(W.Code, Record, W.AbbrevToUse);
FlushStmts();
}
uint64_t ASTWriter::WriteDeclContextLexicalBlock(ASTContext &Context,
DeclContext *DC) {
if (DC->decls_empty())
return 0;
uint64_t Offset = Stream.GetCurrentBitNo();
SmallVector<uint32_t, 128> KindDeclPairs;
for (const auto *D : DC->decls()) {
KindDeclPairs.push_back(D->getKind());
KindDeclPairs.push_back(GetDeclRef(D));
}
++NumLexicalDeclContexts;
RecordData::value_type Record[] = {DECL_CONTEXT_LEXICAL};
Stream.EmitRecordWithBlob(DeclContextLexicalAbbrev, Record,
bytes(KindDeclPairs));
return Offset;
}
void ASTWriter::WriteTypeDeclOffsets() {
using namespace llvm;
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(TYPE_OFFSET));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned TypeOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
{
RecordData::value_type Record[] = {TYPE_OFFSET, TypeOffsets.size(),
FirstTypeID - NUM_PREDEF_TYPE_IDS};
Stream.EmitRecordWithBlob(TypeOffsetAbbrev, Record, bytes(TypeOffsets));
}
Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(DECL_OFFSET));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned DeclOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
{
RecordData::value_type Record[] = {DECL_OFFSET, DeclOffsets.size(),
FirstDeclID - NUM_PREDEF_DECL_IDS};
Stream.EmitRecordWithBlob(DeclOffsetAbbrev, Record, bytes(DeclOffsets));
}
}
void ASTWriter::WriteFileDeclIDsMap() {
using namespace llvm;
SmallVector<std::pair<FileID, DeclIDInFileInfo *>, 64> SortedFileDeclIDs(
FileDeclIDs.begin(), FileDeclIDs.end());
std::sort(SortedFileDeclIDs.begin(), SortedFileDeclIDs.end(),
llvm::less_first());
SmallVector<DeclID, 256> FileGroupedDeclIDs;
for (auto &FileDeclEntry : SortedFileDeclIDs) {
DeclIDInFileInfo &Info = *FileDeclEntry.second;
Info.FirstDeclIndex = FileGroupedDeclIDs.size();
for (auto &LocDeclEntry : Info.DeclIDs)
FileGroupedDeclIDs.push_back(LocDeclEntry.second);
}
auto *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);
RecordData::value_type Record[] = {FILE_SORTED_DECLS,
FileGroupedDeclIDs.size()};
Stream.EmitRecordWithBlob(AbbrevCode, Record, bytes(FileGroupedDeclIDs));
}
void ASTWriter::WriteComments() {
Stream.EnterSubblock(COMMENTS_BLOCK_ID, 3);
ArrayRef<RawComment *> RawComments = Context->Comments.getComments();
RecordData Record;
for (const auto *I : RawComments) {
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();
}
namespace {
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;
typedef unsigned hash_value_type;
typedef unsigned offset_type;
explicit ASTMethodPoolTrait(ASTWriter &Writer) : Writer(Writer) { }
static hash_value_type ComputeHash(Selector Sel) {
return serialization::ComputeHash(Sel);
}
std::pair<unsigned,unsigned>
EmitKeyDataLength(raw_ostream& Out, Selector Sel,
data_type_ref Methods) {
using namespace llvm::support;
endian::Writer<little> LE(Out);
unsigned KeyLen = 2 + (Sel.getNumArgs()? Sel.getNumArgs() * 4 : 4);
LE.write<uint16_t>(KeyLen);
unsigned DataLen = 4 + 2 + 2; for (const ObjCMethodList *Method = &Methods.Instance; Method;
Method = Method->getNext())
if (Method->getMethod())
DataLen += 4;
for (const ObjCMethodList *Method = &Methods.Factory; Method;
Method = Method->getNext())
if (Method->getMethod())
DataLen += 4;
LE.write<uint16_t>(DataLen);
return std::make_pair(KeyLen, DataLen);
}
void EmitKey(raw_ostream& Out, Selector Sel, unsigned) {
using namespace llvm::support;
endian::Writer<little> LE(Out);
uint64_t Start = Out.tell();
assert((Start >> 32) == 0 && "Selector key offset too large");
Writer.SetSelectorOffset(Sel, Start);
unsigned N = Sel.getNumArgs();
LE.write<uint16_t>(N);
if (N == 0)
N = 1;
for (unsigned I = 0; I != N; ++I)
LE.write<uint32_t>(
Writer.getIdentifierRef(Sel.getIdentifierInfoForSlot(I)));
}
void EmitData(raw_ostream& Out, key_type_ref,
data_type_ref Methods, unsigned DataLen) {
using namespace llvm::support;
endian::Writer<little> LE(Out);
uint64_t Start = Out.tell(); (void)Start;
LE.write<uint32_t>(Methods.ID);
unsigned NumInstanceMethods = 0;
for (const ObjCMethodList *Method = &Methods.Instance; Method;
Method = Method->getNext())
if (Method->getMethod())
++NumInstanceMethods;
unsigned NumFactoryMethods = 0;
for (const ObjCMethodList *Method = &Methods.Factory; Method;
Method = Method->getNext())
if (Method->getMethod())
++NumFactoryMethods;
unsigned InstanceBits = Methods.Instance.getBits();
assert(InstanceBits < 4);
unsigned InstanceHasMoreThanOneDeclBit =
Methods.Instance.hasMoreThanOneDecl();
unsigned FullInstanceBits = (NumInstanceMethods << 3) |
(InstanceHasMoreThanOneDeclBit << 2) |
InstanceBits;
unsigned FactoryBits = Methods.Factory.getBits();
assert(FactoryBits < 4);
unsigned FactoryHasMoreThanOneDeclBit =
Methods.Factory.hasMoreThanOneDecl();
unsigned FullFactoryBits = (NumFactoryMethods << 3) |
(FactoryHasMoreThanOneDeclBit << 2) |
FactoryBits;
LE.write<uint16_t>(FullInstanceBits);
LE.write<uint16_t>(FullFactoryBits);
for (const ObjCMethodList *Method = &Methods.Instance; Method;
Method = Method->getNext())
if (Method->getMethod())
LE.write<uint32_t>(Writer.getDeclID(Method->getMethod()));
for (const ObjCMethodList *Method = &Methods.Factory; Method;
Method = Method->getNext())
if (Method->getMethod())
LE.write<uint32_t>(Writer.getDeclID(Method->getMethod()));
assert(Out.tell() - Start == DataLen && "Data length is wrong");
}
};
}
void ASTWriter::WriteSelectors(Sema &SemaRef) {
using namespace llvm;
if (SemaRef.MethodPool.empty() && SelectorIDs.empty())
return;
unsigned NumTableEntries = 0;
{
llvm::OnDiskChainedHashTableGenerator<ASTMethodPoolTrait> Generator;
ASTMethodPoolTrait Trait(*this);
SelectorOffsets.resize(NextSelectorID - FirstSelectorID);
for (auto &SelectorAndID : SelectorIDs) {
Selector S = SelectorAndID.first;
SelectorID ID = SelectorAndID.second;
Sema::GlobalMethodPool::iterator F = SemaRef.MethodPool.find(S);
ASTMethodPoolTrait::data_type Data = {
ID,
ObjCMethodList(),
ObjCMethodList()
};
if (F != SemaRef.MethodPool.end()) {
Data.Instance = F->second.first;
Data.Factory = F->second.second;
}
if (Chain && ID < FirstSelectorID) {
bool changed = false;
for (ObjCMethodList *M = &Data.Instance;
!changed && M && M->getMethod(); M = M->getNext()) {
if (!M->getMethod()->isFromASTFile())
changed = true;
}
for (ObjCMethodList *M = &Data.Factory; !changed && M && M->getMethod();
M = M->getNext()) {
if (!M->getMethod()->isFromASTFile())
changed = true;
}
if (!changed)
continue;
} else if (Data.Instance.getMethod() || Data.Factory.getMethod()) {
++NumTableEntries;
}
Generator.insert(S, Data, Trait);
}
SmallString<4096> MethodPool;
uint32_t BucketOffset;
{
using namespace llvm::support;
ASTMethodPoolTrait Trait(*this);
llvm::raw_svector_ostream Out(MethodPool);
endian::Writer<little>(Out).write<uint32_t>(0);
BucketOffset = Generator.Emit(Out, Trait);
}
auto *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);
{
RecordData::value_type Record[] = {METHOD_POOL, BucketOffset,
NumTableEntries};
Stream.EmitRecordWithBlob(MethodPoolAbbrev, Record, MethodPool);
}
Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(SELECTOR_OFFSETS));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
unsigned SelectorOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
{
RecordData::value_type Record[] = {
SELECTOR_OFFSETS, SelectorOffsets.size(),
FirstSelectorID - NUM_PREDEF_SELECTOR_IDS};
Stream.EmitRecordWithBlob(SelectorOffsetAbbrev, Record,
bytes(SelectorOffsets));
}
}
}
void ASTWriter::WriteReferencedSelectorsPool(Sema &SemaRef) {
using namespace llvm;
if (SemaRef.ReferencedSelectors.empty())
return;
RecordData Record;
for (auto &SelectorAndLocation : SemaRef.ReferencedSelectors) {
Selector Sel = SelectorAndLocation.first;
SourceLocation Loc = SelectorAndLocation.second;
AddSelectorRef(Sel, Record);
AddSourceLocation(Loc, Record);
}
Stream.EmitRecord(REFERENCED_SELECTOR_POOL, Record);
}
static NamedDecl *getDeclForLocalLookup(const LangOptions &LangOpts,
NamedDecl *D) {
if (!LangOpts.Modules || !D->isFromASTFile())
return D;
if (Decl *Redecl = D->getPreviousDecl()) {
for (; Redecl; Redecl = Redecl->getPreviousDecl()) {
if (!Redecl->isFromASTFile())
return cast<NamedDecl>(Redecl);
if (D->getOwningModuleID() == 0)
break;
}
} else if (Decl *First = D->getCanonicalDecl()) {
if (!First->isFromASTFile())
return cast<NamedDecl>(First);
}
return D;
}
namespace {
class ASTIdentifierTableTrait {
ASTWriter &Writer;
Preprocessor &PP;
IdentifierResolver &IdResolver;
bool IsModule;
bool NeedDecls;
ASTWriter::RecordData *InterestingIdentifierOffsets;
bool isInterestingIdentifier(const IdentifierInfo *II, uint64_t MacroOffset) {
if (MacroOffset ||
II->isPoisoned() ||
(IsModule ? II->hasRevertedBuiltin() : II->getObjCOrBuiltinID()) ||
II->hasRevertedTokenIDToIdentifier() ||
(NeedDecls && II->getFETokenInfo<void>()))
return true;
return false;
}
public:
typedef IdentifierInfo* key_type;
typedef key_type key_type_ref;
typedef IdentID data_type;
typedef data_type data_type_ref;
typedef unsigned hash_value_type;
typedef unsigned offset_type;
ASTIdentifierTableTrait(ASTWriter &Writer, Preprocessor &PP,
IdentifierResolver &IdResolver, bool IsModule,
ASTWriter::RecordData *InterestingIdentifierOffsets)
: Writer(Writer), PP(PP), IdResolver(IdResolver), IsModule(IsModule),
NeedDecls(!IsModule || !Writer.getLangOpts().CPlusPlus),
InterestingIdentifierOffsets(InterestingIdentifierOffsets) {}
static hash_value_type ComputeHash(const IdentifierInfo* II) {
return llvm::HashString(II->getName());
}
bool isInterestingIdentifier(const IdentifierInfo *II) {
auto MacroOffset = Writer.getMacroDirectivesOffset(II);
return isInterestingIdentifier(II, MacroOffset);
}
bool isInterestingNonMacroIdentifier(const IdentifierInfo *II) {
return isInterestingIdentifier(II, 0);
}
std::pair<unsigned,unsigned>
EmitKeyDataLength(raw_ostream& Out, IdentifierInfo* II, IdentID ID) {
unsigned KeyLen = II->getLength() + 1;
unsigned DataLen = 4; auto MacroOffset = Writer.getMacroDirectivesOffset(II);
if (isInterestingIdentifier(II, MacroOffset)) {
DataLen += 2; DataLen += 2; if (MacroOffset)
DataLen += 4;
if (NeedDecls) {
for (IdentifierResolver::iterator D = IdResolver.begin(II),
DEnd = IdResolver.end();
D != DEnd; ++D)
DataLen += 4;
}
}
using namespace llvm::support;
endian::Writer<little> LE(Out);
assert((uint16_t)DataLen == DataLen && (uint16_t)KeyLen == KeyLen);
LE.write<uint16_t>(DataLen);
LE.write<uint16_t>(KeyLen);
return std::make_pair(KeyLen, DataLen);
}
void EmitKey(raw_ostream& Out, const IdentifierInfo* II,
unsigned KeyLen) {
Writer.SetIdentifierOffset(II, Out.tell());
if (InterestingIdentifierOffsets && isInterestingIdentifier(II))
InterestingIdentifierOffsets->push_back(Out.tell() - 4);
Out.write(II->getNameStart(), KeyLen);
}
void EmitData(raw_ostream& Out, IdentifierInfo* II,
IdentID ID, unsigned) {
using namespace llvm::support;
endian::Writer<little> LE(Out);
auto MacroOffset = Writer.getMacroDirectivesOffset(II);
if (!isInterestingIdentifier(II, MacroOffset)) {
LE.write<uint32_t>(ID << 1);
return;
}
LE.write<uint32_t>((ID << 1) | 0x01);
uint32_t Bits = (uint32_t)II->getObjCOrBuiltinID();
assert((Bits & 0xffff) == Bits && "ObjCOrBuiltinID too big for ASTReader.");
LE.write<uint16_t>(Bits);
Bits = 0;
bool HadMacroDefinition = MacroOffset != 0;
Bits = (Bits << 1) | unsigned(HadMacroDefinition);
Bits = (Bits << 1) | unsigned(II->isExtensionToken());
Bits = (Bits << 1) | unsigned(II->isPoisoned());
Bits = (Bits << 1) | unsigned(II->hasRevertedBuiltin());
Bits = (Bits << 1) | unsigned(II->hasRevertedTokenIDToIdentifier());
Bits = (Bits << 1) | unsigned(II->isCPlusPlusOperatorKeyword());
LE.write<uint16_t>(Bits);
if (HadMacroDefinition)
LE.write<uint32_t>(MacroOffset);
if (NeedDecls) {
SmallVector<NamedDecl *, 16> Decls(IdResolver.begin(II),
IdResolver.end());
for (SmallVectorImpl<NamedDecl *>::reverse_iterator D = Decls.rbegin(),
DEnd = Decls.rend();
D != DEnd; ++D)
LE.write<uint32_t>(
Writer.getDeclID(getDeclForLocalLookup(PP.getLangOpts(), *D)));
}
}
};
}
void ASTWriter::WriteIdentifierTable(Preprocessor &PP,
IdentifierResolver &IdResolver,
bool IsModule) {
using namespace llvm;
RecordData InterestingIdents;
{
llvm::OnDiskChainedHashTableGenerator<ASTIdentifierTableTrait> Generator;
ASTIdentifierTableTrait Trait(
*this, PP, IdResolver, IsModule,
(getLangOpts().CPlusPlus && IsModule) ? &InterestingIdents : nullptr);
SmallVector<const IdentifierInfo *, 128> IIs;
for (const auto &ID : PP.getIdentifierTable())
IIs.push_back(ID.second);
std::sort(IIs.begin(), IIs.end(), llvm::less_ptr<IdentifierInfo>());
for (const IdentifierInfo *II : IIs)
if (Trait.isInterestingNonMacroIdentifier(II))
getIdentifierRef(II);
IdentifierOffsets.resize(NextIdentID - FirstIdentID);
for (auto IdentIDPair : IdentifierIDs) {
auto *II = const_cast<IdentifierInfo *>(IdentIDPair.first);
IdentID ID = IdentIDPair.second;
assert(II && "NULL identifier in identifier table");
if (!Chain || !II->isFromAST() || II->hasChangedSinceDeserialization())
Generator.insert(II, ID, Trait);
}
SmallString<4096> IdentifierTable;
uint32_t BucketOffset;
{
using namespace llvm::support;
llvm::raw_svector_ostream Out(IdentifierTable);
endian::Writer<little>(Out).write<uint32_t>(0);
BucketOffset = Generator.Emit(Out, Trait);
}
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(IDENTIFIER_TABLE));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
unsigned IDTableAbbrev = Stream.EmitAbbrev(Abbrev);
RecordData::value_type Record[] = {IDENTIFIER_TABLE, BucketOffset};
Stream.EmitRecordWithBlob(IDTableAbbrev, Record, IdentifierTable);
}
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(IDENTIFIER_OFFSET));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
unsigned IdentifierOffsetAbbrev = Stream.EmitAbbrev(Abbrev);
#ifndef NDEBUG
for (unsigned I = 0, N = IdentifierOffsets.size(); I != N; ++I)
assert(IdentifierOffsets[I] && "Missing identifier offset?");
#endif
RecordData::value_type Record[] = {IDENTIFIER_OFFSET,
IdentifierOffsets.size(),
FirstIdentID - NUM_PREDEF_IDENT_IDS};
Stream.EmitRecordWithBlob(IdentifierOffsetAbbrev, Record,
bytes(IdentifierOffsets));
if (!InterestingIdents.empty())
Stream.EmitRecord(INTERESTING_IDENTIFIERS, InterestingIdents);
}
namespace {
class ASTDeclContextNameLookupTrait {
ASTWriter &Writer;
llvm::SmallVector<DeclID, 64> DeclIDs;
public:
typedef DeclarationNameKey key_type;
typedef key_type key_type_ref;
typedef std::pair<unsigned, unsigned> data_type;
typedef const data_type& data_type_ref;
typedef unsigned hash_value_type;
typedef unsigned offset_type;
explicit ASTDeclContextNameLookupTrait(ASTWriter &Writer) : Writer(Writer) { }
template<typename Coll>
data_type getData(const Coll &Decls) {
unsigned Start = DeclIDs.size();
for (NamedDecl *D : Decls) {
DeclIDs.push_back(
Writer.GetDeclRef(getDeclForLocalLookup(Writer.getLangOpts(), D)));
}
return std::make_pair(Start, DeclIDs.size());
}
data_type ImportData(const reader::ASTDeclContextNameLookupTrait::data_type &FromReader) {
unsigned Start = DeclIDs.size();
for (auto ID : FromReader)
DeclIDs.push_back(ID);
return std::make_pair(Start, DeclIDs.size());
}
static bool EqualKey(key_type_ref a, key_type_ref b) {
return a == b;
}
hash_value_type ComputeHash(DeclarationNameKey Name) {
return Name.getHash();
}
void EmitFileRef(raw_ostream &Out, ModuleFile *F) const {
assert(Writer.hasChain() &&
"have reference to loaded module file but no chain?");
using namespace llvm::support;
endian::Writer<little>(Out)
.write<uint32_t>(Writer.getChain()->getModuleFileID(F));
}
std::pair<unsigned, unsigned> EmitKeyDataLength(raw_ostream &Out,
DeclarationNameKey Name,
data_type_ref Lookup) {
using namespace llvm::support;
endian::Writer<little> LE(Out);
unsigned KeyLen = 1;
switch (Name.getKind()) {
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;
}
LE.write<uint16_t>(KeyLen);
unsigned DataLen = 4 * (Lookup.second - Lookup.first);
assert(uint16_t(DataLen) == DataLen &&
"too many decls for serialized lookup result");
LE.write<uint16_t>(DataLen);
return std::make_pair(KeyLen, DataLen);
}
void EmitKey(raw_ostream &Out, DeclarationNameKey Name, unsigned) {
using namespace llvm::support;
endian::Writer<little> LE(Out);
LE.write<uint8_t>(Name.getKind());
switch (Name.getKind()) {
case DeclarationName::Identifier:
case DeclarationName::CXXLiteralOperatorName:
LE.write<uint32_t>(Writer.getIdentifierRef(Name.getIdentifier()));
return;
case DeclarationName::ObjCZeroArgSelector:
case DeclarationName::ObjCOneArgSelector:
case DeclarationName::ObjCMultiArgSelector:
LE.write<uint32_t>(Writer.getSelectorRef(Name.getSelector()));
return;
case DeclarationName::CXXOperatorName:
assert(Name.getOperatorKind() < NUM_OVERLOADED_OPERATORS &&
"Invalid operator?");
LE.write<uint8_t>(Name.getOperatorKind());
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) {
using namespace llvm::support;
endian::Writer<little> LE(Out);
uint64_t Start = Out.tell(); (void)Start;
for (unsigned I = Lookup.first, N = Lookup.second; I != N; ++I)
LE.write<uint32_t>(DeclIDs[I]);
assert(Out.tell() - Start == DataLen && "Data length is wrong");
}
};
}
bool ASTWriter::isLookupResultExternal(StoredDeclsList &Result,
DeclContext *DC) {
return Result.hasExternalDecls() && DC->NeedToReconcileExternalVisibleStorage;
}
bool ASTWriter::isLookupResultEntirelyExternal(StoredDeclsList &Result,
DeclContext *DC) {
for (auto *D : Result.getLookupResult())
if (!getDeclForLocalLookup(getLangOpts(), D)->isFromASTFile())
return false;
return true;
}
void
ASTWriter::GenerateNameLookupTable(const DeclContext *ConstDC,
llvm::SmallVectorImpl<char> &LookupTable) {
assert(!ConstDC->HasLazyLocalLexicalLookups &&
!ConstDC->HasLazyExternalLexicalLookups &&
"must call buildLookups first");
auto *DC = const_cast<DeclContext*>(ConstDC);
assert(DC == DC->getPrimaryContext() && "only primary DC has lookup table");
MultiOnDiskHashTableGenerator<reader::ASTDeclContextNameLookupTrait,
ASTDeclContextNameLookupTrait> Generator;
ASTDeclContextNameLookupTrait Trait(*this);
SmallVector<DeclarationName, 16> Names;
llvm::SmallSet<DeclarationName, 8> ConstructorNameSet, ConversionNameSet;
for (auto &Lookup : *DC->buildLookup()) {
auto &Name = Lookup.first;
auto &Result = Lookup.second;
if (isLookupResultExternal(Result, DC) &&
isLookupResultEntirelyExternal(Result, DC))
continue;
if (Lookup.second.getLookupResult().empty())
continue;
switch (Lookup.first.getNameKind()) {
default:
Names.push_back(Lookup.first);
break;
case DeclarationName::CXXConstructorName:
assert(isa<CXXRecordDecl>(DC) &&
"Cannot have a constructor name outside of a class!");
ConstructorNameSet.insert(Name);
break;
case DeclarationName::CXXConversionFunctionName:
assert(isa<CXXRecordDecl>(DC) &&
"Cannot have a conversion function name outside of a class!");
ConversionNameSet.insert(Name);
break;
}
}
std::sort(Names.begin(), Names.end());
if (auto *D = dyn_cast<CXXRecordDecl>(DC)) {
auto ImplicitCtorName = Context->DeclarationNames.getCXXConstructorName(
Context->getCanonicalType(Context->getRecordType(D)));
if (ConstructorNameSet.erase(ImplicitCtorName))
Names.push_back(ImplicitCtorName);
if (!ConstructorNameSet.empty() || !ConversionNameSet.empty())
for (Decl *ChildD : cast<CXXRecordDecl>(DC)->decls())
if (auto *ChildND = dyn_cast<NamedDecl>(ChildD)) {
auto Name = ChildND->getDeclName();
switch (Name.getNameKind()) {
default:
continue;
case DeclarationName::CXXConstructorName:
if (ConstructorNameSet.erase(Name))
Names.push_back(Name);
break;
case DeclarationName::CXXConversionFunctionName:
if (ConversionNameSet.erase(Name))
Names.push_back(Name);
break;
}
if (ConstructorNameSet.empty() && ConversionNameSet.empty())
break;
}
assert(ConstructorNameSet.empty() && "Failed to find all of the visible "
"constructors by walking all the "
"lexical members of the context.");
assert(ConversionNameSet.empty() && "Failed to find all of the visible "
"conversion functions by walking all "
"the lexical members of the context.");
}
for (auto &Name : Names)
DC->lookup(Name);
SmallVector<NamedDecl *, 8> ConstructorDecls;
SmallVector<NamedDecl *, 8> ConversionDecls;
for (auto &Name : Names) {
DeclContext::lookup_result Result = DC->noload_lookup(Name);
switch (Name.getNameKind()) {
default:
Generator.insert(Name, Trait.getData(Result), Trait);
break;
case DeclarationName::CXXConstructorName:
ConstructorDecls.append(Result.begin(), Result.end());
break;
case DeclarationName::CXXConversionFunctionName:
ConversionDecls.append(Result.begin(), Result.end());
break;
}
}
if (!ConstructorDecls.empty())
Generator.insert(ConstructorDecls.front()->getDeclName(),
Trait.getData(ConstructorDecls), Trait);
if (!ConversionDecls.empty())
Generator.insert(ConversionDecls.front()->getDeclName(),
Trait.getData(ConversionDecls), Trait);
auto *Lookups = Chain ? Chain->getLoadedLookupTables(DC) : nullptr;
Generator.emit(LookupTable, Trait, Lookups ? &Lookups->Table : nullptr);
}
uint64_t ASTWriter::WriteDeclContextVisibleBlock(ASTContext &Context,
DeclContext *DC) {
if (isa<NamespaceDecl>(DC) && Chain &&
Chain->getKeyDeclaration(cast<Decl>(DC))->isFromASTFile()) {
for (auto *Prev = cast<NamespaceDecl>(DC)->getPreviousDecl(); Prev;
Prev = Prev->getPreviousDecl())
if (!Prev->isFromASTFile())
return 0;
UpdatedDeclContexts.insert(DC->getPrimaryContext());
StoredDeclsMap *Map = DC->getPrimaryContext()->buildLookup();
SmallVector<std::pair<DeclarationName, DeclContext::lookup_result>, 16>
LookupResults;
if (Map) {
LookupResults.reserve(Map->size());
for (auto &Entry : *Map)
LookupResults.push_back(
std::make_pair(Entry.first, Entry.second.getLookupResult()));
}
std::sort(LookupResults.begin(), LookupResults.end(), llvm::less_first());
for (auto &NameAndResult : LookupResults) {
DeclarationName Name = NameAndResult.first;
DeclContext::lookup_result Result = NameAndResult.second;
if (Name.getNameKind() == DeclarationName::CXXConstructorName ||
Name.getNameKind() == DeclarationName::CXXConversionFunctionName) {
assert(Result.empty() && "Cannot have a constructor or conversion "
"function name in a namespace!");
continue;
}
for (NamedDecl *ND : Result)
if (!ND->isFromASTFile())
GetDeclRef(ND);
}
return 0;
}
if (DC->getPrimaryContext() != DC)
return 0;
if (!DC->isLookupContext())
return 0;
if (DC->isTranslationUnit() && !Context.getLangOpts().CPlusPlus)
return 0;
uint64_t Offset = Stream.GetCurrentBitNo();
StoredDeclsMap *Map = DC->buildLookup();
if (!Map || Map->empty())
return 0;
SmallString<4096> LookupTable;
GenerateNameLookupTable(DC, LookupTable);
RecordData::value_type Record[] = {DECL_CONTEXT_VISIBLE};
Stream.EmitRecordWithBlob(DeclContextVisibleLookupAbbrev, Record,
LookupTable);
++NumVisibleDeclContexts;
return Offset;
}
void ASTWriter::WriteDeclContextVisibleUpdate(const DeclContext *DC) {
StoredDeclsMap *Map = DC->getLookupPtr();
if (!Map || Map->empty())
return;
SmallString<4096> LookupTable;
GenerateNameLookupTable(DC, LookupTable);
if (isa<NamespaceDecl>(DC))
DC = cast<DeclContext>(Chain->getKeyDeclaration(cast<Decl>(DC)));
RecordData::value_type Record[] = {UPDATE_VISIBLE, getDeclID(cast<Decl>(DC))};
Stream.EmitRecordWithBlob(UpdateVisibleAbbrev, Record, LookupTable);
}
void ASTWriter::WriteFPPragmaOptions(const FPOptions &Opts) {
RecordData::value_type Record[] = {Opts.fp_contract};
Stream.EmitRecord(FP_PRAGMA_OPTIONS, Record);
}
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::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];
Categories.push_back(0);
for (ObjCInterfaceDecl::known_categories_iterator
Cat = Class->known_categories_begin(),
CatEnd = Class->known_categories_end();
Cat != CatEnd; ++Cat, ++Size) {
assert(getDeclID(*Cat) != 0 && "Bogus category");
AddDeclRef(*Cat, Categories);
}
Categories[StartIndex] = Size;
ObjCCategoriesInfo CatInfo = { getDeclID(Class), StartIndex };
CategoriesMap.push_back(CatInfo);
}
llvm::array_pod_sort(CategoriesMap.begin(), CategoriesMap.end());
using namespace llvm;
auto *Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(OBJC_CATEGORIES_MAP));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
unsigned AbbrevID = Stream.EmitAbbrev(Abbrev);
RecordData::value_type Record[] = {OBJC_CATEGORIES_MAP, CategoriesMap.size()};
Stream.EmitRecordWithBlob(AbbrevID, Record,
reinterpret_cast<char *>(CategoriesMap.data()),
CategoriesMap.size() * sizeof(ObjCCategoriesInfo));
Stream.EmitRecord(OBJC_CATEGORIES, Categories);
}
void ASTWriter::WriteLateParsedTemplates(Sema &SemaRef) {
Sema::LateParsedTemplateMapT &LPTMap = SemaRef.LateParsedTemplateMap;
if (LPTMap.empty())
return;
RecordData Record;
for (auto LPTMapEntry : LPTMap) {
const FunctionDecl *FD = LPTMapEntry.first;
LateParsedTemplate *LPT = LPTMapEntry.second;
AddDeclRef(FD, Record);
AddDeclRef(LPT->D, Record);
Record.push_back(LPT->Toks.size());
for (const auto &Tok : LPT->Toks) {
AddToken(Tok, Record);
}
}
Stream.EmitRecord(LATE_PARSED_TEMPLATE, Record);
}
void ASTWriter::WriteOptimizePragmaOptions(Sema &SemaRef) {
RecordData Record;
SourceLocation PragmaLoc = SemaRef.getOptimizeOffPragmaLocation();
AddSourceLocation(PragmaLoc, Record);
Stream.EmitRecord(OPTIMIZE_PRAGMA_OPTIONS, Record);
}
void ASTWriter::WriteModuleFileExtension(Sema &SemaRef,
ModuleFileExtensionWriter &Writer) {
Stream.EnterSubblock(EXTENSION_BLOCK_ID, 4);
auto *Abv = new llvm::BitCodeAbbrev();
Abv->Add(llvm::BitCodeAbbrevOp(EXTENSION_METADATA));
Abv->Add(llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::VBR, 6));
Abv->Add(llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::VBR, 6));
Abv->Add(llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::VBR, 6));
Abv->Add(llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::VBR, 6));
Abv->Add(llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Blob));
unsigned Abbrev = Stream.EmitAbbrev(Abv);
RecordData Record;
auto Metadata = Writer.getExtension()->getExtensionMetadata();
Record.push_back(EXTENSION_METADATA);
Record.push_back(Metadata.MajorVersion);
Record.push_back(Metadata.MinorVersion);
Record.push_back(Metadata.BlockName.size());
Record.push_back(Metadata.UserInfo.size());
SmallString<64> Buffer;
Buffer += Metadata.BlockName;
Buffer += Metadata.UserInfo;
Stream.EmitRecordWithBlob(Abbrev, Record, Buffer);
Writer.writeExtensionContents(SemaRef, Stream);
Stream.ExitBlock();
}
void ASTWriter::WriteAttributes(ArrayRef<const Attr*> Attrs,
RecordDataImpl &Record) {
Record.push_back(Attrs.size());
for (const auto *A : Attrs) {
Record.push_back(A->getKind()); AddSourceRange(A->getRange(), Record);
#include "clang/Serialization/AttrPCHWrite.inc"
}
}
void ASTWriter::AddToken(const Token &Tok, RecordDataImpl &Record) {
AddSourceLocation(Tok.getLocation(), Record);
Record.push_back(Tok.getLength());
AddIdentifierRef(Tok.getIdentifierInfo(), Record);
Record.push_back(Tok.getKind());
Record.push_back(Tok.getFlags());
}
void ASTWriter::AddString(StringRef Str, RecordDataImpl &Record) {
Record.push_back(Str.size());
Record.insert(Record.end(), Str.begin(), Str.end());
}
bool ASTWriter::PreparePathForOutput(SmallVectorImpl<char> &Path) {
assert(Context && "should have context when outputting path");
bool Changed =
cleanPathForOutput(Context->getSourceManager().getFileManager(), Path);
const char *PathBegin = Path.data();
const char *PathPtr =
adjustFilenameForRelocatableAST(PathBegin, BaseDirectory);
if (PathPtr != PathBegin) {
Path.erase(Path.begin(), Path.begin() + (PathPtr - PathBegin));
Changed = true;
}
return Changed;
}
void ASTWriter::AddPath(StringRef Path, RecordDataImpl &Record) {
SmallString<128> FilePath(Path);
PreparePathForOutput(FilePath);
AddString(FilePath, Record);
}
void ASTWriter::EmitRecordWithPath(unsigned Abbrev, RecordDataRef Record,
StringRef Path) {
SmallString<128> FilePath(Path);
PreparePathForOutput(FilePath);
Stream.EmitRecordWithBlob(Abbrev, Record, FilePath);
}
void ASTWriter::AddVersionTuple(const VersionTuple &Version,
RecordDataImpl &Record) {
Record.push_back(Version.getMajor());
if (Optional<unsigned> Minor = Version.getMinor())
Record.push_back(*Minor + 1);
else
Record.push_back(0);
if (Optional<unsigned> Subminor = Version.getSubminor())
Record.push_back(*Subminor + 1);
else
Record.push_back(0);
}
void ASTWriter::SetIdentifierOffset(const IdentifierInfo *II, uint32_t Offset) {
IdentID ID = IdentifierIDs[II];
if (ID >= FirstIdentID)
IdentifierOffsets[ID - FirstIdentID] = Offset;
}
void ASTWriter::SetSelectorOffset(Selector Sel, uint32_t Offset) {
unsigned ID = SelectorIDs[Sel];
assert(ID && "Unknown selector");
if (ID < FirstSelectorID)
return;
SelectorOffsets[ID - FirstSelectorID] = Offset;
}
ASTWriter::ASTWriter(
llvm::BitstreamWriter &Stream,
ArrayRef<llvm::IntrusiveRefCntPtr<ModuleFileExtension>> Extensions,
bool IncludeTimestamps)
: Stream(Stream), Context(nullptr), PP(nullptr), Chain(nullptr),
WritingModule(nullptr), IncludeTimestamps(IncludeTimestamps),
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), NextCXXCtorInitializersID(1),
TypeExtQualAbbrev(0), TypeFunctionProtoAbbrev(0), DeclParmVarAbbrev(0),
DeclContextLexicalAbbrev(0), DeclContextVisibleLookupAbbrev(0),
UpdateVisibleAbbrev(0), DeclRecordAbbrev(0), DeclTypedefAbbrev(0),
DeclVarAbbrev(0), DeclFieldAbbrev(0), DeclEnumAbbrev(0),
DeclObjCIvarAbbrev(0), DeclCXXMethodAbbrev(0), DeclRefExprAbbrev(0),
CharacterLiteralAbbrev(0), IntegerLiteralAbbrev(0),
ExprImplicitCastAbbrev(0) {
for (const auto &Ext : Extensions) {
if (auto Writer = Ext->createExtensionWriter(*this))
ModuleFileExtensionWriters.push_back(std::move(Writer));
}
}
ASTWriter::~ASTWriter() {
llvm::DeleteContainerSeconds(FileDeclIDs);
}
const LangOptions &ASTWriter::getLangOpts() const {
assert(WritingAST && "can't determine lang opts when not writing AST");
return Context->getLangOpts();
}
time_t ASTWriter::getTimestampForOutput(const FileEntry *E) const {
return IncludeTimestamps ? E->getModificationTime() : 0;
}
uint64_t ASTWriter::WriteAST(Sema &SemaRef, const std::string &OutputFile,
Module *WritingModule, StringRef isysroot,
bool hasErrors) {
WritingAST = true;
ASTHasCompilerErrors = hasErrors;
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;
ASTFileSignature Signature =
WriteASTCore(SemaRef, isysroot, OutputFile, WritingModule);
Context = nullptr;
PP = nullptr;
this->WritingModule = nullptr;
this->BaseDirectory.clear();
WritingAST = false;
return Signature;
}
template<typename Vector>
static void AddLazyVectorDecls(ASTWriter &Writer, Vector &Vec,
ASTWriter::RecordData &Record) {
for (typename Vector::iterator I = Vec.begin(nullptr, true), E = Vec.end();
I != E; ++I) {
Writer.AddDeclRef(*I, Record);
}
}
uint64_t ASTWriter::WriteASTCore(Sema &SemaRef, StringRef isysroot,
const std::string &OutputFile,
Module *WritingModule) {
using namespace llvm;
bool isModule = WritingModule != nullptr;
if (Chain)
Chain->finalizeForWriting();
ASTContext &Context = SemaRef.Context;
Preprocessor &PP = SemaRef.PP;
auto RegisterPredefDecl = [&] (Decl *D, PredefinedDeclIDs ID) {
if (D) {
assert(D->isCanonicalDecl() && "predefined decl is not canonical");
DeclIDs[D] = ID;
}
};
RegisterPredefDecl(Context.getTranslationUnitDecl(),
PREDEF_DECL_TRANSLATION_UNIT_ID);
RegisterPredefDecl(Context.ObjCIdDecl, PREDEF_DECL_OBJC_ID_ID);
RegisterPredefDecl(Context.ObjCSelDecl, PREDEF_DECL_OBJC_SEL_ID);
RegisterPredefDecl(Context.ObjCClassDecl, PREDEF_DECL_OBJC_CLASS_ID);
RegisterPredefDecl(Context.ObjCProtocolClassDecl,
PREDEF_DECL_OBJC_PROTOCOL_ID);
RegisterPredefDecl(Context.Int128Decl, PREDEF_DECL_INT_128_ID);
RegisterPredefDecl(Context.UInt128Decl, PREDEF_DECL_UNSIGNED_INT_128_ID);
RegisterPredefDecl(Context.ObjCInstanceTypeDecl,
PREDEF_DECL_OBJC_INSTANCETYPE_ID);
RegisterPredefDecl(Context.BuiltinVaListDecl, PREDEF_DECL_BUILTIN_VA_LIST_ID);
RegisterPredefDecl(Context.VaListTagDecl, PREDEF_DECL_VA_LIST_TAG);
RegisterPredefDecl(Context.BuiltinMSVaListDecl,
PREDEF_DECL_BUILTIN_MS_VA_LIST_ID);
RegisterPredefDecl(Context.ExternCContext, PREDEF_DECL_EXTERN_C_CONTEXT_ID);
RegisterPredefDecl(Context.MakeIntegerSeqDecl,
PREDEF_DECL_MAKE_INTEGER_SEQ_ID);
RegisterPredefDecl(Context.CFConstantStringTypeDecl,
PREDEF_DECL_CF_CONSTANT_STRING_ID);
RegisterPredefDecl(Context.CFConstantStringTagDecl,
PREDEF_DECL_CF_CONSTANT_STRING_TAG_ID);
RecordData TentativeDefinitions;
AddLazyVectorDecls(*this, SemaRef.TentativeDefinitions, TentativeDefinitions);
RecordData UnusedFileScopedDecls;
if (!isModule)
AddLazyVectorDecls(*this, SemaRef.UnusedFileScopedDecls,
UnusedFileScopedDecls);
RecordData DelegatingCtorDecls;
if (!isModule)
AddLazyVectorDecls(*this, SemaRef.DelegatingCtorDecls, DelegatingCtorDecls);
RecordData WeakUndeclaredIdentifiers;
for (auto &WeakUndeclaredIdentifier : SemaRef.WeakUndeclaredIdentifiers) {
IdentifierInfo *II = WeakUndeclaredIdentifier.first;
WeakInfo &WI = WeakUndeclaredIdentifier.second;
AddIdentifierRef(II, WeakUndeclaredIdentifiers);
AddIdentifierRef(WI.getAlias(), WeakUndeclaredIdentifiers);
AddSourceLocation(WI.getLocation(), WeakUndeclaredIdentifiers);
WeakUndeclaredIdentifiers.push_back(WI.getUsed());
}
RecordData ExtVectorDecls;
AddLazyVectorDecls(*this, SemaRef.ExtVectorDecls, ExtVectorDecls);
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]);
}
}
RecordData UnusedLocalTypedefNameCandidates;
for (const TypedefNameDecl *TD : SemaRef.UnusedLocalTypedefNameCandidates)
AddDeclRef(TD, UnusedLocalTypedefNameCandidates);
RecordData PendingInstantiations;
for (const auto &I : SemaRef.PendingInstantiations) {
AddDeclRef(I.first, PendingInstantiations);
AddSourceLocation(I.second, PendingInstantiations);
}
assert(SemaRef.PendingLocalImplicitInstantiations.empty() &&
"There are local ones at end of translation unit!");
RecordData SemaDeclRefs;
if (SemaRef.StdNamespace || SemaRef.StdBadAlloc) {
AddDeclRef(SemaRef.getStdNamespace(), SemaDeclRefs);
AddDeclRef(SemaRef.getStdBadAlloc(), SemaDeclRefs);
}
RecordData CUDASpecialDeclRefs;
if (Context.getcudaConfigureCallDecl()) {
AddDeclRef(Context.getcudaConfigureCallDecl(), CUDASpecialDeclRefs);
}
RecordData KnownNamespaces;
for (const auto &I : SemaRef.KnownNamespaces) {
if (!I.second)
AddDeclRef(I.first, KnownNamespaces);
}
RecordData UndefinedButUsed;
SmallVector<std::pair<NamedDecl *, SourceLocation>, 16> Undefined;
SemaRef.getUndefinedButUsed(Undefined);
for (const auto &I : Undefined) {
AddDeclRef(I.first, UndefinedButUsed);
AddSourceLocation(I.second, UndefinedButUsed);
}
RecordData DeleteExprsToAnalyze;
for (const auto &DeleteExprsInfo :
SemaRef.getMismatchingDeleteExpressions()) {
AddDeclRef(DeleteExprsInfo.first, DeleteExprsToAnalyze);
DeleteExprsToAnalyze.push_back(DeleteExprsInfo.second.size());
for (const auto &DeleteLoc : DeleteExprsInfo.second) {
AddSourceLocation(DeleteLoc.first, DeleteExprsToAnalyze);
DeleteExprsToAnalyze.push_back(DeleteLoc.second);
}
}
uint64_t Signature = WriteControlBlock(PP, Context, isysroot, OutputFile);
Stream.EnterSubblock(AST_BLOCK_ID, 5);
{
RecordData Record = {VERSION_MAJOR};
Stream.EmitRecord(METADATA_OLD_FORMAT, Record);
}
const TranslationUnitDecl *TU = Context.getTranslationUnitDecl();
SmallVector<uint32_t, 128> NewGlobalKindDeclPairs;
for (const auto *D : TU->noload_decls()) {
if (!D->isFromASTFile()) {
NewGlobalKindDeclPairs.push_back(D->getKind());
NewGlobalKindDeclPairs.push_back(GetDeclRef(D));
}
}
auto *Abv = new llvm::BitCodeAbbrev();
Abv->Add(llvm::BitCodeAbbrevOp(TU_UPDATE_LEXICAL));
Abv->Add(llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Blob));
unsigned TuUpdateLexicalAbbrev = Stream.EmitAbbrev(Abv);
{
RecordData::value_type Record[] = {TU_UPDATE_LEXICAL};
Stream.EmitRecordWithBlob(TuUpdateLexicalAbbrev, Record,
bytes(NewGlobalKindDeclPairs));
}
Abv = new llvm::BitCodeAbbrev();
Abv->Add(llvm::BitCodeAbbrevOp(UPDATE_VISIBLE));
Abv->Add(llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::VBR, 6));
Abv->Add(llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Blob));
UpdateVisibleAbbrev = Stream.EmitAbbrev(Abv);
WriteDeclContextVisibleUpdate(TU);
if (Context.ExternCContext)
WriteDeclContextVisibleUpdate(Context.ExternCContext);
if (NamespaceDecl *NS = TU->getAnonymousNamespace()) {
ASTWriter::UpdateRecord &Record = DeclUpdates[TU];
if (Record.empty())
Record.push_back(DeclUpdate(UPD_CXX_ADDED_ANONYMOUS_NAMESPACE, NS));
}
for (const auto &Number : Context.MangleNumbers)
if (!Number.first->isFromASTFile())
DeclUpdates[Number.first].push_back(DeclUpdate(UPD_MANGLING_NUMBER,
Number.second));
for (const auto &Number : Context.StaticLocalNumbers)
if (!Number.first->isFromASTFile())
DeclUpdates[Number.first].push_back(DeclUpdate(UPD_STATIC_LOCAL_NUMBER,
Number.second));
for (const auto *I : UpdatingVisibleDecls) {
GetDeclRef(I);
}
if (!WritingModule || !getLangOpts().CPlusPlus) {
llvm::SmallVector<const IdentifierInfo*, 256> IIs;
for (const auto &ID : PP.getIdentifierTable()) {
const IdentifierInfo *II = ID.second;
if (!Chain || !II->isFromAST() || II->hasChangedSinceDeserialization())
IIs.push_back(II);
}
std::sort(IIs.begin(), IIs.end(), llvm::less_ptr<IdentifierInfo>());
for (const IdentifierInfo *II : IIs) {
for (IdentifierResolver::iterator D = SemaRef.IdResolver.begin(II),
DEnd = SemaRef.IdResolver.end();
D != DEnd; ++D) {
GetDeclRef(*D);
}
}
}
llvm::SmallVector<Selector, 256> AllSelectors;
for (auto &SelectorAndID : SelectorIDs)
AllSelectors.push_back(SelectorAndID.first);
for (auto &Selector : AllSelectors)
SemaRef.updateOutOfDateSelector(Selector);
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);
if (Chain) {
auto *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 (ModuleFile *M : Chain->ModuleMgr) {
using namespace llvm::support;
endian::Writer<little> LE(Out);
StringRef FileName = M->FileName;
LE.write<uint16_t>(FileName.size());
Out.write(FileName.data(), FileName.size());
uint32_t None = std::numeric_limits<uint32_t>::max();
auto writeBaseIDOrNone = [&](uint32_t BaseID, bool ShouldWrite) {
assert(BaseID < std::numeric_limits<uint32_t>::max() && "base id too high");
if (ShouldWrite)
LE.write<uint32_t>(BaseID);
else
LE.write<uint32_t>(None);
};
writeBaseIDOrNone(M->SLocEntryBaseOffset, M->LocalNumSLocEntries);
writeBaseIDOrNone(M->BaseIdentifierID, M->LocalNumIdentifiers);
writeBaseIDOrNone(M->BaseMacroID, M->LocalNumMacros);
writeBaseIDOrNone(M->BasePreprocessedEntityID,
M->NumPreprocessedEntities);
writeBaseIDOrNone(M->BaseSubmoduleID, M->LocalNumSubmodules);
writeBaseIDOrNone(M->BaseSelectorID, M->LocalNumSelectors);
writeBaseIDOrNone(M->BaseDeclID, M->LocalNumDecls);
writeBaseIDOrNone(M->BaseTypeIndex, M->LocalNumTypes);
}
}
RecordData::value_type Record[] = {MODULE_OFFSET_MAP};
Stream.EmitRecordWithBlob(ModuleOffsetMapAbbrev, Record,
Buffer.data(), Buffer.size());
}
RecordData DeclUpdatesOffsetsRecord;
Stream.EnterSubblock(DECLTYPES_BLOCK_ID, 5);
WriteTypeAbbrevs();
WriteDeclAbbrevs();
do {
WriteDeclUpdatesBlocks(DeclUpdatesOffsetsRecord);
while (!DeclTypesToEmit.empty()) {
DeclOrType DOT = DeclTypesToEmit.front();
DeclTypesToEmit.pop();
if (DOT.isType())
WriteType(DOT.getType());
else
WriteDecl(Context, DOT.getDecl());
}
} while (!DeclUpdates.empty());
Stream.ExitBlock();
DoneWritingDeclsAndTypes = true;
WriteTypeDeclOffsets();
if (!DeclUpdatesOffsetsRecord.empty())
Stream.EmitRecord(DECL_UPDATE_OFFSETS, DeclUpdatesOffsetsRecord);
WriteCXXBaseSpecifiersOffsets();
WriteCXXCtorInitializersOffsets();
WriteFileDeclIDsMap();
WriteSourceManagerBlock(Context.getSourceManager(), PP);
WriteComments();
WritePreprocessor(PP, isModule);
WriteHeaderSearch(PP.getHeaderSearchInfo());
WriteSelectors(SemaRef);
WriteReferencedSelectorsPool(SemaRef);
WriteLateParsedTemplates(SemaRef);
WriteIdentifierTable(PP, SemaRef.IdResolver, isModule);
WriteFPPragmaOptions(SemaRef.getFPOptions());
WriteOpenCLExtensions(SemaRef);
WritePragmaDiagnosticMappings(Context.getDiagnostics(), isModule);
if (WritingModule)
WriteSubmodules(WritingModule);
Stream.EmitRecord(SPECIAL_TYPES, SpecialTypes);
if (!EagerlyDeserializedDecls.empty())
Stream.EmitRecord(EAGERLY_DESERIALIZED_DECLS, EagerlyDeserializedDecls);
if (!TentativeDefinitions.empty())
Stream.EmitRecord(TENTATIVE_DEFINITIONS, TentativeDefinitions);
if (!UnusedFileScopedDecls.empty())
Stream.EmitRecord(UNUSED_FILESCOPED_DECLS, UnusedFileScopedDecls);
if (!WeakUndeclaredIdentifiers.empty())
Stream.EmitRecord(WEAK_UNDECLARED_IDENTIFIERS,
WeakUndeclaredIdentifiers);
if (!ExtVectorDecls.empty())
Stream.EmitRecord(EXT_VECTOR_DECLS, ExtVectorDecls);
if (!VTableUses.empty())
Stream.EmitRecord(VTABLE_USES, VTableUses);
if (!UnusedLocalTypedefNameCandidates.empty())
Stream.EmitRecord(UNUSED_LOCAL_TYPEDEF_NAME_CANDIDATES,
UnusedLocalTypedefNameCandidates);
if (!PendingInstantiations.empty())
Stream.EmitRecord(PENDING_IMPLICIT_INSTANTIATIONS, PendingInstantiations);
if (!SemaDeclRefs.empty())
Stream.EmitRecord(SEMA_DECL_REFS, SemaDeclRefs);
if (!CUDASpecialDeclRefs.empty())
Stream.EmitRecord(CUDA_SPECIAL_DECL_REFS, CUDASpecialDeclRefs);
if (!DelegatingCtorDecls.empty())
Stream.EmitRecord(DELEGATING_CTORS, DelegatingCtorDecls);
if (!KnownNamespaces.empty())
Stream.EmitRecord(KNOWN_NAMESPACES, KnownNamespaces);
if (!UndefinedButUsed.empty())
Stream.EmitRecord(UNDEFINED_BUT_USED, UndefinedButUsed);
if (!DeleteExprsToAnalyze.empty())
Stream.EmitRecord(DELETE_EXPRS_TO_ANALYZE, DeleteExprsToAnalyze);
for (auto *DC : UpdatedDeclContexts)
WriteDeclContextVisibleUpdate(DC);
if (!WritingModule) {
struct ModuleInfo {
uint64_t ID;
Module *M;
ModuleInfo(uint64_t ID, Module *M) : ID(ID), M(M) {}
};
llvm::SmallVector<ModuleInfo, 64> Imports;
for (const auto *I : Context.local_imports()) {
assert(SubmoduleIDs.find(I->getImportedModule()) != SubmoduleIDs.end());
Imports.push_back(ModuleInfo(SubmoduleIDs[I->getImportedModule()],
I->getImportedModule()));
}
if (!Imports.empty()) {
auto Cmp = [](const ModuleInfo &A, const ModuleInfo &B) {
return A.ID < B.ID;
};
auto Eq = [](const ModuleInfo &A, const ModuleInfo &B) {
return A.ID == B.ID;
};
std::sort(Imports.begin(), Imports.end(), Cmp);
Imports.erase(std::unique(Imports.begin(), Imports.end(), Eq),
Imports.end());
RecordData ImportedModules;
for (const auto &Import : Imports) {
ImportedModules.push_back(Import.ID);
AddSourceLocation(PP.getModuleImportLoc(Import.M), ImportedModules);
}
Stream.EmitRecord(IMPORTED_MODULES, ImportedModules);
}
}
WriteDeclReplacementsBlock();
WriteObjCCategories();
if(!WritingModule)
WriteOptimizePragmaOptions(SemaRef);
RecordData::value_type Record[] = {
NumStatements, NumMacros, NumLexicalDeclContexts, NumVisibleDeclContexts};
Stream.EmitRecord(STATISTICS, Record);
Stream.ExitBlock();
for (const auto &ExtWriter : ModuleFileExtensionWriters)
WriteModuleFileExtension(SemaRef, *ExtWriter);
return Signature;
}
void ASTWriter::WriteDeclUpdatesBlocks(RecordDataImpl &OffsetsRecord) {
if (DeclUpdates.empty())
return;
DeclUpdateMap LocalUpdates;
LocalUpdates.swap(DeclUpdates);
for (auto &DeclUpdate : LocalUpdates) {
const Decl *D = DeclUpdate.first;
bool HasUpdatedBody = false;
RecordData Record;
for (auto &Update : DeclUpdate.second) {
DeclUpdateKind Kind = (DeclUpdateKind)Update.getKind();
Record.push_back(Kind);
switch (Kind) {
case UPD_CXX_ADDED_IMPLICIT_MEMBER:
case UPD_CXX_ADDED_TEMPLATE_SPECIALIZATION:
case UPD_CXX_ADDED_ANONYMOUS_NAMESPACE:
assert(Update.getDecl() && "no decl to add?");
Record.push_back(GetDeclRef(Update.getDecl()));
break;
case UPD_CXX_ADDED_FUNCTION_DEFINITION:
Record.pop_back();
HasUpdatedBody = true;
break;
case UPD_CXX_INSTANTIATED_STATIC_DATA_MEMBER:
AddSourceLocation(Update.getLoc(), Record);
break;
case UPD_CXX_INSTANTIATED_DEFAULT_ARGUMENT:
AddStmt(const_cast<Expr*>(
cast<ParmVarDecl>(Update.getDecl())->getDefaultArg()));
break;
case UPD_CXX_INSTANTIATED_CLASS_DEFINITION: {
auto *RD = cast<CXXRecordDecl>(D);
UpdatedDeclContexts.insert(RD->getPrimaryContext());
AddCXXDefinitionData(RD, Record);
Record.push_back(WriteDeclContextLexicalBlock(
*Context, const_cast<CXXRecordDecl *>(RD)));
if (auto *MSInfo = RD->getMemberSpecializationInfo()) {
Record.push_back(MSInfo->getTemplateSpecializationKind());
AddSourceLocation(MSInfo->getPointOfInstantiation(), Record);
} else {
auto *Spec = cast<ClassTemplateSpecializationDecl>(RD);
Record.push_back(Spec->getTemplateSpecializationKind());
AddSourceLocation(Spec->getPointOfInstantiation(), Record);
auto From = Spec->getInstantiatedFrom();
if (auto PartialSpec =
From.dyn_cast<ClassTemplatePartialSpecializationDecl*>()) {
Record.push_back(true);
AddDeclRef(PartialSpec, Record);
AddTemplateArgumentList(&Spec->getTemplateInstantiationArgs(),
Record);
} else {
Record.push_back(false);
}
}
Record.push_back(RD->getTagKind());
AddSourceLocation(RD->getLocation(), Record);
AddSourceLocation(RD->getLocStart(), Record);
AddSourceRange(RD->getBraceRange(), Record);
Record.push_back(D->hasAttrs());
if (Record.back())
WriteAttributes(llvm::makeArrayRef(D->getAttrs().begin(),
D->getAttrs().size()), Record);
break;
}
case UPD_CXX_RESOLVED_DTOR_DELETE:
AddDeclRef(Update.getDecl(), Record);
break;
case UPD_CXX_RESOLVED_EXCEPTION_SPEC:
addExceptionSpec(
*this,
cast<FunctionDecl>(D)->getType()->castAs<FunctionProtoType>(),
Record);
break;
case UPD_CXX_DEDUCED_RETURN_TYPE:
Record.push_back(GetOrCreateTypeID(Update.getType()));
break;
case UPD_DECL_MARKED_USED:
break;
case UPD_MANGLING_NUMBER:
case UPD_STATIC_LOCAL_NUMBER:
Record.push_back(Update.getNumber());
break;
case UPD_DECL_MARKED_OPENMP_THREADPRIVATE:
AddSourceRange(D->getAttr<OMPThreadPrivateDeclAttr>()->getRange(),
Record);
break;
case UPD_DECL_EXPORTED:
Record.push_back(getSubmoduleID(Update.getModule()));
break;
case UPD_ADDED_ATTR_TO_RECORD:
WriteAttributes(llvm::makeArrayRef(Update.getAttr()), Record);
break;
}
}
if (HasUpdatedBody) {
const auto *Def = cast<FunctionDecl>(D);
Record.push_back(UPD_CXX_ADDED_FUNCTION_DEFINITION);
Record.push_back(Def->isInlined());
AddSourceLocation(Def->getInnerLocStart(), Record);
AddFunctionDefinition(Def, Record);
}
OffsetsRecord.push_back(GetDeclRef(D));
OffsetsRecord.push_back(Stream.GetCurrentBitNo());
Stream.EmitRecord(DECL_UPDATES, Record);
FlushPendingAfterDecl();
}
}
void ASTWriter::WriteDeclReplacementsBlock() {
if (ReplacedDecls.empty())
return;
RecordData Record;
for (const auto &I : ReplacedDecls) {
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));
}
IdentID ASTWriter::getIdentifierRef(const IdentifierInfo *II) {
if (!II)
return 0;
IdentID &ID = IdentifierIDs[II];
if (ID == 0)
ID = NextIdentID++;
return ID;
}
MacroID ASTWriter::getMacroRef(MacroInfo *MI, const IdentifierInfo *Name) {
if (!MI || MI->isBuiltinMacro())
return 0;
MacroID &ID = MacroIDs[MI];
if (ID == 0) {
ID = NextMacroID++;
MacroInfoToEmitData Info = { Name, MI, ID };
MacroInfosToEmit.push_back(Info);
}
return ID;
}
MacroID ASTWriter::getMacroID(MacroInfo *MI) {
if (!MI || MI->isBuiltinMacro())
return 0;
assert(MacroIDs.find(MI) != MacroIDs.end() && "Macro not emitted!");
return MacroIDs[MI];
}
uint64_t ASTWriter::getMacroDirectivesOffset(const IdentifierInfo *Name) {
return IdentMacroDirectivesOffsetMap.lookup(Name);
}
void ASTWriter::AddSelectorRef(const Selector SelRef, RecordDataImpl &Record) {
Record.push_back(getSelectorRef(SelRef));
}
SelectorID ASTWriter::getSelectorRef(Selector Sel) {
if (Sel.getAsOpaquePtr() == nullptr) {
return 0;
}
SelectorID SID = SelectorIDs[Sel];
if (SID == 0 && Chain) {
Chain->LoadSelector(Sel);
SID = SelectorIDs[Sel];
}
if (SID == 0) {
SID = NextSelectorID++;
SelectorIDs[Sel] = SID;
}
return SID;
}
void ASTWriter::AddCXXTemporary(const CXXTemporary *Temp, RecordDataImpl &Record) {
AddDeclRef(Temp->getDestructor(), Record);
}
void ASTWriter::AddCXXCtorInitializersRef(ArrayRef<CXXCtorInitializer *> Inits,
RecordDataImpl &Record) {
assert(!Inits.empty() && "Empty ctor initializer sets are not recorded");
CXXCtorInitializersToWrite.push_back(
QueuedCXXCtorInitializers(NextCXXCtorInitializersID, Inits));
Record.push_back(NextCXXCtorInitializersID++);
}
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:
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; }
AddTemplateArgumentLocInfo(Arg.getArgument().getKind(), Arg.getLocInfo(),
Record);
}
void ASTWriter::AddTypeSourceInfo(TypeSourceInfo *TInfo,
RecordDataImpl &Record) {
if (!TInfo) {
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) {
assert(Context);
return MakeTypeID(*Context, T, [&](QualType T) -> TypeIdx {
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();
}
Idx = TypeIdx(NextTypeID++);
DeclTypesToEmit.push(T);
}
return Idx;
});
}
TypeID ASTWriter::getTypeID(QualType T) const {
assert(Context);
return MakeTypeID(*Context, T, [&](QualType T) -> TypeIdx {
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) {
return 0;
}
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;
}
ID = NextDeclID++;
DeclTypesToEmit.push(const_cast<Decl *>(D));
}
return ID;
}
DeclID ASTWriter::getDeclID(const Decl *D) {
if (!D)
return 0;
if (D->isFromASTFile())
return D->getGlobalID();
assert(DeclIDs.find(D) != DeclIDs.end() && "Declaration not emitted!");
return DeclIDs[D];
}
void ASTWriter::associateDeclWithFile(const Decl *D, DeclID ID) {
assert(ID);
assert(D);
SourceLocation Loc = D->getLocation();
if (Loc.isInvalid())
return;
if (!D->getLexicalDeclContext()->isFileContext())
return;
if (isa<ParmVarDecl>(D))
return;
SourceManager &SM = Context->getSourceManager();
SourceLocation FileLoc = SM.getFileLoc(Loc);
assert(SM.isLocalSourceLocation(FileLoc));
FileID FID;
unsigned Offset;
std::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, llvm::less_first());
Decls.insert(I, LocDecl);
}
void ASTWriter::AddDeclarationName(DeclarationName Name, RecordDataImpl &Record) {
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:
break;
}
}
unsigned ASTWriter::getAnonymousDeclarationNumber(const NamedDecl *D) {
assert(needsAnonymousDeclarationNumber(D) &&
"expected an anonymous declaration");
auto It = AnonymousDeclarationNumbers.find(D);
if (It == AnonymousDeclarationNumbers.end()) {
auto *DC = D->getLexicalDeclContext();
numberAnonymousDeclsWithin(DC, [&](const NamedDecl *ND, unsigned Number) {
AnonymousDeclarationNumbers[ND] = Number;
});
It = AnonymousDeclarationNumbers.find(D);
assert(It != AnonymousDeclarationNumbers.end() &&
"declaration not found within its lexical context");
}
return It->second;
}
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) {
SmallVector<NestedNameSpecifier *, 8> NestedNames;
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:
break;
case NestedNameSpecifier::Super:
AddDeclRef(NNS->getAsRecordDecl(), Record);
break;
}
}
}
void ASTWriter::AddNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS,
RecordDataImpl &Record) {
SmallVector<NestedNameSpecifierLoc , 8> NestedNames;
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;
case NestedNameSpecifier::Super:
AddDeclRef(NNS.getNestedNameSpecifier()->getAsRecordDecl(), Record);
AddSourceRange(NNS.getLocalSourceRange(), 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 (const auto &I : *OvT)
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);
AddTypeRef(Arg.getParamTypeForDecl(), Record);
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 (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 (const auto &P : Arg.pack_elements())
AddTemplateArgument(P, 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 (const auto &P : *TemplateParams)
AddDeclRef(P, Record);
}
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::AddASTTemplateArgumentListInfo
(const ASTTemplateArgumentListInfo *ASTTemplArgList, RecordDataImpl &Record) {
assert(ASTTemplArgList && "No ASTTemplArgList!");
AddSourceLocation(ASTTemplArgList->LAngleLoc, Record);
AddSourceLocation(ASTTemplArgList->RAngleLoc, Record);
Record.push_back(ASTTemplArgList->NumTemplateArgs);
const TemplateArgumentLoc *TemplArgs = ASTTemplArgList->getTemplateArgs();
for (int i=0, e = ASTTemplArgList->NumTemplateArgs; i != e; ++i)
AddTemplateArgumentLoc(TemplArgs[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;
unsigned N = CXXBaseSpecifiersToWrite.size();
for (unsigned I = 0; I != N; ++I) {
Record.clear();
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);
FlushStmts();
}
assert(N == CXXBaseSpecifiersToWrite.size() &&
"added more base specifiers while writing base specifiers");
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::FlushCXXCtorInitializers() {
RecordData Record;
unsigned N = CXXCtorInitializersToWrite.size();
(void)N; for (auto &Init : CXXCtorInitializersToWrite) {
Record.clear();
unsigned Index = Init.ID - 1;
if (Index == CXXCtorInitializersOffsets.size())
CXXCtorInitializersOffsets.push_back(Stream.GetCurrentBitNo());
else {
if (Index > CXXCtorInitializersOffsets.size())
CXXCtorInitializersOffsets.resize(Index + 1);
CXXCtorInitializersOffsets[Index] = Stream.GetCurrentBitNo();
}
AddCXXCtorInitializers(Init.Inits.data(), Init.Inits.size(), Record);
Stream.EmitRecord(serialization::DECL_CXX_CTOR_INITIALIZERS, Record);
FlushStmts();
}
assert(N == CXXCtorInitializersToWrite.size() &&
"added more ctor initializers while writing ctor initializers");
CXXCtorInitializersToWrite.clear();
}
void ASTWriter::AddCXXDefinitionData(const CXXRecordDecl *D, RecordDataImpl &Record) {
auto &Data = D->data();
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.HasVariantMembers);
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.DeclaredNonTrivialSpecialMembers);
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.NumBases);
if (Data.NumBases > 0)
AddCXXBaseSpecifiersRef(Data.getBases(), Data.getBases() + Data.NumBases,
Record);
Record.push_back(Data.NumVBases);
if (Data.NumVBases > 0)
AddCXXBaseSpecifiersRef(Data.getVBases(), Data.getVBases() + Data.NumVBases,
Record);
AddUnresolvedSet(Data.Conversions.get(*Context), Record);
AddUnresolvedSet(Data.VisibleConversions.get(*Context), Record);
AddDeclRef(D->getFirstFriend(), Record);
if (Data.IsLambda) {
auto &Lambda = D->getLambdaData();
Record.push_back(Lambda.Dependent);
Record.push_back(Lambda.IsGenericLambda);
Record.push_back(Lambda.CaptureDefault);
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) {
const LambdaCapture &Capture = Lambda.Captures[I];
AddSourceLocation(Capture.getLocation(), Record);
Record.push_back(Capture.isImplicit());
Record.push_back(Capture.getCaptureKind());
switch (Capture.getCaptureKind()) {
case LCK_This:
case LCK_VLAType:
break;
case LCK_ByCopy:
case LCK_ByRef:
VarDecl *Var =
Capture.capturesVariable() ? Capture.getCapturedVar() : nullptr;
AddDeclRef(Var, Record);
AddSourceLocation(Capture.isPackExpansion() ? Capture.getEllipsisLoc()
: SourceLocation(),
Record);
break;
}
}
}
}
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) {
IdentID &StoredID = IdentifierIDs[II];
if (ID > StoredID)
StoredID = ID;
}
void ASTWriter::MacroRead(serialization::MacroID ID, MacroInfo *MI) {
MacroID &StoredID = MacroIDs[MI];
if (ID > StoredID)
StoredID = ID;
}
void ASTWriter::TypeRead(TypeIdx Idx, QualType T) {
TypeIdx &StoredIdx = TypeIdxs[T];
if (Idx.getIndex() >= StoredIdx.getIndex())
StoredIdx = Idx;
}
void ASTWriter::SelectorRead(SelectorID ID, Selector S) {
SelectorID &StoredID = SelectorIDs[S];
if (ID > StoredID)
StoredID = ID;
}
void ASTWriter::MacroDefinitionRead(serialization::PreprocessedEntityID ID,
MacroDefinitionRecord *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::CompletedTagDefinition(const TagDecl *D) {
assert(D->isCompleteDefinition());
assert(!WritingAST && "Already writing the AST!");
if (auto *RD = dyn_cast<CXXRecordDecl>(D)) {
if (RD->isFromASTFile()) {
assert(isTemplateInstantiation(RD->getTemplateSpecializationKind()) &&
"completed a tag from another module but not by instantiation?");
DeclUpdates[RD].push_back(
DeclUpdate(UPD_CXX_INSTANTIATED_CLASS_DEFINITION));
}
}
}
static bool isImportedDeclContext(ASTReader *Chain, const Decl *D) {
if (D->isFromASTFile())
return true;
if (!Chain || !Chain->getModuleManager().size())
return false;
return D == D->getASTContext().getVaListTagDecl();
}
void ASTWriter::AddedVisibleDecl(const DeclContext *DC, const Decl *D) {
assert(DC->isLookupContext() &&
"Should not add lookup results to non-lookup contexts!");
if (isa<TranslationUnitDecl>(DC))
return;
if (isa<NamespaceDecl>(DC) && D->getFriendObjectKind() == Decl::FOK_None &&
!isa<FunctionTemplateDecl>(D))
return;
if (D->isFromASTFile() || !isImportedDeclContext(Chain, cast<Decl>(DC)))
return;
assert(DC == DC->getPrimaryContext() && "added to non-primary context");
assert(!getDefinitiveDeclContext(DC) && "DeclContext not definitive!");
assert(!WritingAST && "Already writing the AST!");
if (UpdatedDeclContexts.insert(DC) && !cast<Decl>(DC)->isFromASTFile()) {
for (auto *Child : DC->decls())
UpdatingVisibleDecls.push_back(Child);
}
UpdatingVisibleDecls.push_back(D);
}
void ASTWriter::AddedCXXImplicitMember(const CXXRecordDecl *RD, const Decl *D) {
assert(D->isImplicit());
if (D->isFromASTFile() || !isImportedDeclContext(Chain, RD))
return;
if (!isa<CXXMethodDecl>(D))
return;
assert(RD->isCompleteDefinition());
assert(!WritingAST && "Already writing the AST!");
DeclUpdates[RD].push_back(DeclUpdate(UPD_CXX_ADDED_IMPLICIT_MEMBER, D));
}
void ASTWriter::ResolvedExceptionSpec(const FunctionDecl *FD) {
assert(!DoneWritingDeclsAndTypes && "Already done writing updates!");
if (!Chain) return;
Chain->forEachImportedKeyDecl(FD, [&](const Decl *D) {
if (isUnresolvedExceptionSpec(cast<FunctionDecl>(D)
->getType()
->castAs<FunctionProtoType>()
->getExceptionSpecType()))
DeclUpdates[D].push_back(UPD_CXX_RESOLVED_EXCEPTION_SPEC);
});
}
void ASTWriter::DeducedReturnType(const FunctionDecl *FD, QualType ReturnType) {
assert(!WritingAST && "Already writing the AST!");
if (!Chain) return;
Chain->forEachImportedKeyDecl(FD, [&](const Decl *D) {
DeclUpdates[D].push_back(
DeclUpdate(UPD_CXX_DEDUCED_RETURN_TYPE, ReturnType));
});
}
void ASTWriter::ResolvedOperatorDelete(const CXXDestructorDecl *DD,
const FunctionDecl *Delete) {
assert(!WritingAST && "Already writing the AST!");
assert(Delete && "Not given an operator delete");
if (!Chain) return;
Chain->forEachImportedKeyDecl(DD, [&](const Decl *D) {
DeclUpdates[D].push_back(DeclUpdate(UPD_CXX_RESOLVED_DTOR_DELETE, Delete));
});
}
void ASTWriter::CompletedImplicitDefinition(const FunctionDecl *D) {
assert(!WritingAST && "Already writing the AST!");
if (!D->isFromASTFile())
return;
DeclUpdates[D].push_back(DeclUpdate(UPD_CXX_ADDED_FUNCTION_DEFINITION));
}
void ASTWriter::FunctionDefinitionInstantiated(const FunctionDecl *D) {
assert(!WritingAST && "Already writing the AST!");
if (!D->isFromASTFile())
return;
DeclUpdates[D].push_back(DeclUpdate(UPD_CXX_ADDED_FUNCTION_DEFINITION));
}
void ASTWriter::StaticDataMemberInstantiated(const VarDecl *D) {
assert(!WritingAST && "Already writing the AST!");
if (!D->isFromASTFile())
return;
DeclUpdates[D].push_back(
DeclUpdate(UPD_CXX_INSTANTIATED_STATIC_DATA_MEMBER,
D->getMemberSpecializationInfo()->getPointOfInstantiation()));
}
void ASTWriter::DefaultArgumentInstantiated(const ParmVarDecl *D) {
assert(!WritingAST && "Already writing the AST!");
if (!D->isFromASTFile())
return;
DeclUpdates[D].push_back(
DeclUpdate(UPD_CXX_INSTANTIATED_DEFAULT_ARGUMENT, D));
}
void ASTWriter::AddedObjCCategoryToInterface(const ObjCCategoryDecl *CatD,
const ObjCInterfaceDecl *IFD) {
assert(!WritingAST && "Already writing the AST!");
if (!IFD->isFromASTFile())
return;
assert(IFD->getDefinition() && "Category on a class without a definition?");
ObjCClassesWithCategories.insert(
const_cast<ObjCInterfaceDecl *>(IFD->getDefinition()));
}
void ASTWriter::DeclarationMarkedUsed(const Decl *D) {
assert(!WritingAST && "Already writing the AST!");
if (!D->isFromASTFile())
return;
DeclUpdates[D].push_back(DeclUpdate(UPD_DECL_MARKED_USED));
}
void ASTWriter::DeclarationMarkedOpenMPThreadPrivate(const Decl *D) {
assert(!WritingAST && "Already writing the AST!");
if (!D->isFromASTFile())
return;
DeclUpdates[D].push_back(DeclUpdate(UPD_DECL_MARKED_OPENMP_THREADPRIVATE));
}
void ASTWriter::RedefinedHiddenDefinition(const NamedDecl *D, Module *M) {
assert(!WritingAST && "Already writing the AST!");
assert(D->isHidden() && "expected a hidden declaration");
DeclUpdates[D].push_back(DeclUpdate(UPD_DECL_EXPORTED, M));
}
void ASTWriter::AddedAttributeToRecord(const Attr *Attr,
const RecordDecl *Record) {
assert(!WritingAST && "Already writing the AST!");
if (!Record->isFromASTFile())
return;
DeclUpdates[Record].push_back(DeclUpdate(UPD_ADDED_ATTR_TO_RECORD, Attr));
}