/// ComputeQualifierFlags - Compute the pointer type info flags from the
/// given qualifier.
static unsigned ComputeQualifierFlags(Qualifiers Quals) {
unsigned Flags = 0;
if (Quals.hasConst())
Flags |= RTTIBuilder::PTI_Const;
if (Quals.hasVolatile())
Flags |= RTTIBuilder::PTI_Volatile;
if (Quals.hasRestrict())
Flags |= RTTIBuilder::PTI_Restrict;
return Flags;
}
void USRGenerator::VisitType(QualType T) {
// This method mangles in USR information for types. It can possibly
// just reuse the naming-mangling logic used by codegen, although the
// requirements for USRs might not be the same.
ASTContext &Ctx = *Context;
do {
T = Ctx.getCanonicalType(T);
Qualifiers Q = T.getQualifiers();
unsigned qVal = 0;
if (Q.hasConst())
qVal |= 0x1;
if (Q.hasVolatile())
qVal |= 0x2;
if (Q.hasRestrict())
qVal |= 0x4;
if(qVal)
Out << ((char) ('0' + qVal));
// Mangle in ObjC GC qualifiers?
if (const PackExpansionType *Expansion = T->getAs<PackExpansionType>()) {
Out << 'P';
T = Expansion->getPattern();
}
if (const BuiltinType *BT = T->getAs<BuiltinType>()) {
unsigned char c = '\0';
switch (BT->getKind()) {
case BuiltinType::Void:
c = 'v'; break;
case BuiltinType::Bool:
c = 'b'; break;
case BuiltinType::Char_U:
case BuiltinType::UChar:
c = 'c'; break;
case BuiltinType::Char16:
c = 'q'; break;
case BuiltinType::Char32:
c = 'w'; break;
case BuiltinType::UShort:
c = 's'; break;
case BuiltinType::UInt:
c = 'i'; break;
case BuiltinType::ULong:
c = 'l'; break;
case BuiltinType::ULongLong:
c = 'k'; break;
case BuiltinType::UInt128:
c = 'j'; break;
case BuiltinType::Char_S:
case BuiltinType::SChar:
c = 'C'; break;
case BuiltinType::WChar_S:
case BuiltinType::WChar_U:
c = 'W'; break;
case BuiltinType::Short:
c = 'S'; break;
case BuiltinType::Int:
c = 'I'; break;
case BuiltinType::Long:
c = 'L'; break;
case BuiltinType::LongLong:
c = 'K'; break;
case BuiltinType::Int128:
c = 'J'; break;
case BuiltinType::Half:
c = 'h'; break;
case BuiltinType::Float:
c = 'f'; break;
case BuiltinType::Double:
c = 'd'; break;
case BuiltinType::LongDouble:
c = 'D'; break;
case BuiltinType::NullPtr:
c = 'n'; break;
#define BUILTIN_TYPE(Id, SingletonId)
#define PLACEHOLDER_TYPE(Id, SingletonId) case BuiltinType::Id:
#include "clang/AST/BuiltinTypes.def"
case BuiltinType::Dependent:
case BuiltinType::OCLImage1d:
case BuiltinType::OCLImage1dArray:
case BuiltinType::OCLImage1dBuffer:
case BuiltinType::OCLImage2d:
case BuiltinType::OCLImage2dArray:
case BuiltinType::OCLImage3d:
case BuiltinType::OCLEvent:
case BuiltinType::OCLSampler:
IgnoreResults = true;
return;
case BuiltinType::ObjCId:
c = 'o'; break;
case BuiltinType::ObjCClass:
c = 'O'; break;
case BuiltinType::ObjCSel:
c = 'e'; break;
}
Out << c;
return;
}
// If we have already seen this (non-built-in) type, use a substitution
// encoding.
llvm::DenseMap<const Type *, unsigned>::iterator Substitution
= TypeSubstitutions.find(T.getTypePtr());
if (Substitution != TypeSubstitutions.end()) {
Out << 'S' << Substitution->second << '_';
return;
} else {
// Record this as a substitution.
unsigned Number = TypeSubstitutions.size();
TypeSubstitutions[T.getTypePtr()] = Number;
}
if (const PointerType *PT = T->getAs<PointerType>()) {
Out << '*';
T = PT->getPointeeType();
continue;
}
if (const ReferenceType *RT = T->getAs<ReferenceType>()) {
Out << '&';
T = RT->getPointeeType();
continue;
}
if (const FunctionProtoType *FT = T->getAs<FunctionProtoType>()) {
Out << 'F';
VisitType(FT->getResultType());
for (FunctionProtoType::arg_type_iterator
I = FT->arg_type_begin(), E = FT->arg_type_end(); I!=E; ++I) {
VisitType(*I);
}
if (FT->isVariadic())
Out << '.';
return;
}
if (const BlockPointerType *BT = T->getAs<BlockPointerType>()) {
Out << 'B';
T = BT->getPointeeType();
continue;
}
if (const ComplexType *CT = T->getAs<ComplexType>()) {
Out << '<';
T = CT->getElementType();
continue;
}
if (const TagType *TT = T->getAs<TagType>()) {
Out << '$';
VisitTagDecl(TT->getDecl());
return;
}
if (const TemplateTypeParmType *TTP = T->getAs<TemplateTypeParmType>()) {
Out << 't' << TTP->getDepth() << '.' << TTP->getIndex();
return;
}
if (const TemplateSpecializationType *Spec
= T->getAs<TemplateSpecializationType>()) {
Out << '>';
VisitTemplateName(Spec->getTemplateName());
Out << Spec->getNumArgs();
for (unsigned I = 0, N = Spec->getNumArgs(); I != N; ++I)
VisitTemplateArgument(Spec->getArg(I));
return;
}
// Unhandled type.
Out << ' ';
break;
} while (true);
}
void USRGenerator::VisitType(QualType T) {
// This method mangles in USR information for types. It can possibly
// just reuse the naming-mangling logic used by codegen, although the
// requirements for USRs might not be the same.
ASTContext &Ctx = *Context;
do {
T = Ctx.getCanonicalType(T);
Qualifiers Q = T.getQualifiers();
unsigned qVal = 0;
if (Q.hasConst())
qVal |= 0x1;
if (Q.hasVolatile())
qVal |= 0x2;
if (Q.hasRestrict())
qVal |= 0x4;
if(qVal)
Out << ((char) ('0' + qVal));
// Mangle in ObjC GC qualifiers?
if (const PackExpansionType *Expansion = T->getAs<PackExpansionType>()) {
Out << 'P';
T = Expansion->getPattern();
}
if (const BuiltinType *BT = T->getAs<BuiltinType>()) {
unsigned char c = '\0';
switch (BT->getKind()) {
case BuiltinType::Void:
c = 'v'; break;
case BuiltinType::Bool:
c = 'b'; break;
case BuiltinType::UChar:
c = 'c'; break;
case BuiltinType::Char16:
c = 'q'; break;
case BuiltinType::Char32:
c = 'w'; break;
case BuiltinType::UShort:
c = 's'; break;
case BuiltinType::UInt:
c = 'i'; break;
case BuiltinType::ULong:
c = 'l'; break;
case BuiltinType::ULongLong:
c = 'k'; break;
case BuiltinType::UInt128:
c = 'j'; break;
case BuiltinType::Char_U:
case BuiltinType::Char_S:
c = 'C'; break;
case BuiltinType::SChar:
c = 'r'; break;
case BuiltinType::WChar_S:
case BuiltinType::WChar_U:
c = 'W'; break;
case BuiltinType::Short:
c = 'S'; break;
case BuiltinType::Int:
c = 'I'; break;
case BuiltinType::Long:
c = 'L'; break;
case BuiltinType::LongLong:
c = 'K'; break;
case BuiltinType::Int128:
c = 'J'; break;
case BuiltinType::Half:
c = 'h'; break;
case BuiltinType::Float:
c = 'f'; break;
case BuiltinType::Double:
c = 'd'; break;
case BuiltinType::LongDouble:
c = 'D'; break;
case BuiltinType::NullPtr:
c = 'n'; break;
#define BUILTIN_TYPE(Id, SingletonId)
#define PLACEHOLDER_TYPE(Id, SingletonId) case BuiltinType::Id:
#include "clang/AST/BuiltinTypes.def"
case BuiltinType::Dependent:
#define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
case BuiltinType::Id:
#include "clang/AST/OpenCLImageTypes.def"
case BuiltinType::OCLEvent:
case BuiltinType::OCLClkEvent:
case BuiltinType::OCLQueue:
case BuiltinType::OCLNDRange:
case BuiltinType::OCLReserveID:
case BuiltinType::OCLSampler:
IgnoreResults = true;
return;
case BuiltinType::ObjCId:
c = 'o'; break;
case BuiltinType::ObjCClass:
c = 'O'; break;
case BuiltinType::ObjCSel:
c = 'e'; break;
}
Out << c;
return;
}
// If we have already seen this (non-built-in) type, use a substitution
// encoding.
llvm::DenseMap<const Type *, unsigned>::iterator Substitution
= TypeSubstitutions.find(T.getTypePtr());
if (Substitution != TypeSubstitutions.end()) {
Out << 'S' << Substitution->second << '_';
return;
} else {
// Record this as a substitution.
unsigned Number = TypeSubstitutions.size();
TypeSubstitutions[T.getTypePtr()] = Number;
}
if (const PointerType *PT = T->getAs<PointerType>()) {
Out << '*';
T = PT->getPointeeType();
continue;
}
if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) {
Out << '*';
T = OPT->getPointeeType();
continue;
}
if (const RValueReferenceType *RT = T->getAs<RValueReferenceType>()) {
Out << "&&";
T = RT->getPointeeType();
continue;
}
if (const ReferenceType *RT = T->getAs<ReferenceType>()) {
Out << '&';
T = RT->getPointeeType();
continue;
}
if (const FunctionProtoType *FT = T->getAs<FunctionProtoType>()) {
Out << 'F';
VisitType(FT->getReturnType());
for (const auto &I : FT->param_types())
VisitType(I);
if (FT->isVariadic())
Out << '.';
return;
}
if (const BlockPointerType *BT = T->getAs<BlockPointerType>()) {
Out << 'B';
T = BT->getPointeeType();
continue;
}
if (const ComplexType *CT = T->getAs<ComplexType>()) {
Out << '<';
T = CT->getElementType();
continue;
}
if (const TagType *TT = T->getAs<TagType>()) {
Out << '$';
VisitTagDecl(TT->getDecl());
return;
}
if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) {
Out << '$';
VisitObjCInterfaceDecl(OIT->getDecl());
return;
}
if (const ObjCObjectType *OIT = T->getAs<ObjCObjectType>()) {
Out << 'Q';
VisitType(OIT->getBaseType());
for (auto *Prot : OIT->getProtocols())
VisitObjCProtocolDecl(Prot);
return;
}
if (const TemplateTypeParmType *TTP = T->getAs<TemplateTypeParmType>()) {
Out << 't' << TTP->getDepth() << '.' << TTP->getIndex();
return;
}
if (const TemplateSpecializationType *Spec
= T->getAs<TemplateSpecializationType>()) {
Out << '>';
VisitTemplateName(Spec->getTemplateName());
Out << Spec->getNumArgs();
for (unsigned I = 0, N = Spec->getNumArgs(); I != N; ++I)
VisitTemplateArgument(Spec->getArg(I));
return;
}
if (const DependentNameType *DNT = T->getAs<DependentNameType>()) {
Out << '^';
// FIXME: Encode the qualifier, don't just print it.
PrintingPolicy PO(Ctx.getLangOpts());
PO.SuppressTagKeyword = true;
PO.SuppressUnwrittenScope = true;
PO.ConstantArraySizeAsWritten = false;
PO.AnonymousTagLocations = false;
DNT->getQualifier()->print(Out, PO);
Out << ':' << DNT->getIdentifier()->getName();
return;
}
if (const InjectedClassNameType *InjT = T->getAs<InjectedClassNameType>()) {
T = InjT->getInjectedSpecializationType();
continue;
}
// Unhandled type.
Out << ' ';
break;
} while (true);
}