//===--- MicrosoftMangle.cpp - Microsoft Visual C++ Name Mangling ---------===// | |
// | |
// The LLVM Compiler Infrastructure | |
// | |
// This file is distributed under the University of Illinois Open Source | |
// License. See LICENSE.TXT for details. | |
// | |
//===----------------------------------------------------------------------===// | |
// | |
// This provides C++ name mangling targeting the Microsoft Visual C++ ABI. | |
// | |
//===----------------------------------------------------------------------===// | |
#include "clang/AST/Mangle.h" | |
#include "clang/AST/ASTContext.h" | |
#include "clang/AST/Attr.h" | |
#include "clang/AST/CharUnits.h" | |
#include "clang/AST/Decl.h" | |
#include "clang/AST/DeclCXX.h" | |
#include "clang/AST/DeclObjC.h" | |
#include "clang/AST/DeclTemplate.h" | |
#include "clang/AST/ExprCXX.h" | |
#include "clang/Basic/ABI.h" | |
#include "clang/Basic/DiagnosticOptions.h" | |
#include <map> | |
using namespace clang; | |
namespace { | |
/// MicrosoftCXXNameMangler - Manage the mangling of a single name for the | |
/// Microsoft Visual C++ ABI. | |
class MicrosoftCXXNameMangler { | |
MangleContext &Context; | |
raw_ostream &Out; | |
// FIXME: audit the performance of BackRefMap as it might do way too many | |
// copying of strings. | |
typedef std::map<std::string, unsigned> BackRefMap; | |
BackRefMap NameBackReferences; | |
bool UseNameBackReferences; | |
typedef llvm::DenseMap<void*, unsigned> ArgBackRefMap; | |
ArgBackRefMap TypeBackReferences; | |
ASTContext &getASTContext() const { return Context.getASTContext(); } | |
public: | |
MicrosoftCXXNameMangler(MangleContext &C, raw_ostream &Out_) | |
: Context(C), Out(Out_), UseNameBackReferences(true) { } | |
raw_ostream &getStream() const { return Out; } | |
void mangle(const NamedDecl *D, StringRef Prefix = "\01?"); | |
void mangleName(const NamedDecl *ND); | |
void mangleFunctionEncoding(const FunctionDecl *FD); | |
void mangleVariableEncoding(const VarDecl *VD); | |
void mangleNumber(int64_t Number); | |
void mangleNumber(const llvm::APSInt &Value); | |
void mangleType(QualType T, SourceRange Range, bool MangleQualifiers = true); | |
private: | |
void disableBackReferences() { UseNameBackReferences = false; } | |
void mangleUnqualifiedName(const NamedDecl *ND) { | |
mangleUnqualifiedName(ND, ND->getDeclName()); | |
} | |
void mangleUnqualifiedName(const NamedDecl *ND, DeclarationName Name); | |
void mangleSourceName(const IdentifierInfo *II); | |
void manglePostfix(const DeclContext *DC, bool NoFunction=false); | |
void mangleOperatorName(OverloadedOperatorKind OO, SourceLocation Loc); | |
void mangleQualifiers(Qualifiers Quals, bool IsMember); | |
void manglePointerQualifiers(Qualifiers Quals); | |
void mangleUnscopedTemplateName(const TemplateDecl *ND); | |
void mangleTemplateInstantiationName(const TemplateDecl *TD, | |
const SmallVectorImpl<TemplateArgumentLoc> &TemplateArgs); | |
void mangleObjCMethodName(const ObjCMethodDecl *MD); | |
void mangleLocalName(const FunctionDecl *FD); | |
void mangleArgumentType(QualType T, SourceRange Range); | |
// Declare manglers for every type class. | |
#define ABSTRACT_TYPE(CLASS, PARENT) | |
#define NON_CANONICAL_TYPE(CLASS, PARENT) | |
#define TYPE(CLASS, PARENT) void mangleType(const CLASS##Type *T, \ | |
SourceRange Range); | |
#include "clang/AST/TypeNodes.def" | |
#undef ABSTRACT_TYPE | |
#undef NON_CANONICAL_TYPE | |
#undef TYPE | |
void mangleType(const TagType*); | |
void mangleType(const FunctionType *T, const FunctionDecl *D, | |
bool IsStructor, bool IsInstMethod); | |
void mangleType(const ArrayType *T, bool IsGlobal); | |
void mangleExtraDimensions(QualType T); | |
void mangleFunctionClass(const FunctionDecl *FD); | |
void mangleCallingConvention(const FunctionType *T, bool IsInstMethod = false); | |
void mangleIntegerLiteral(const llvm::APSInt &Number, bool IsBoolean); | |
void mangleExpression(const Expr *E); | |
void mangleThrowSpecification(const FunctionProtoType *T); | |
void mangleTemplateArgs( | |
const SmallVectorImpl<TemplateArgumentLoc> &TemplateArgs); | |
}; | |
/// MicrosoftMangleContext - Overrides the default MangleContext for the | |
/// Microsoft Visual C++ ABI. | |
class MicrosoftMangleContext : public MangleContext { | |
public: | |
MicrosoftMangleContext(ASTContext &Context, | |
DiagnosticsEngine &Diags) : MangleContext(Context, Diags) { } | |
virtual bool shouldMangleDeclName(const NamedDecl *D); | |
virtual void mangleName(const NamedDecl *D, raw_ostream &Out); | |
virtual void mangleThunk(const CXXMethodDecl *MD, | |
const ThunkInfo &Thunk, | |
raw_ostream &); | |
virtual void mangleCXXDtorThunk(const CXXDestructorDecl *DD, CXXDtorType Type, | |
const ThisAdjustment &ThisAdjustment, | |
raw_ostream &); | |
virtual void mangleCXXVTable(const CXXRecordDecl *RD, | |
raw_ostream &); | |
virtual void mangleCXXVTT(const CXXRecordDecl *RD, | |
raw_ostream &); | |
virtual void mangleCXXCtorVTable(const CXXRecordDecl *RD, int64_t Offset, | |
const CXXRecordDecl *Type, | |
raw_ostream &); | |
virtual void mangleCXXRTTI(QualType T, raw_ostream &); | |
virtual void mangleCXXRTTIName(QualType T, raw_ostream &); | |
virtual void mangleCXXCtor(const CXXConstructorDecl *D, CXXCtorType Type, | |
raw_ostream &); | |
virtual void mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type, | |
raw_ostream &); | |
virtual void mangleReferenceTemporary(const clang::VarDecl *, | |
raw_ostream &); | |
}; | |
} | |
static bool isInCLinkageSpecification(const Decl *D) { | |
D = D->getCanonicalDecl(); | |
for (const DeclContext *DC = D->getDeclContext(); | |
!DC->isTranslationUnit(); DC = DC->getParent()) { | |
if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) | |
return Linkage->getLanguage() == LinkageSpecDecl::lang_c; | |
} | |
return false; | |
} | |
bool MicrosoftMangleContext::shouldMangleDeclName(const NamedDecl *D) { | |
// In C, functions with no attributes never need to be mangled. Fastpath them. | |
if (!getASTContext().getLangOpts().CPlusPlus && !D->hasAttrs()) | |
return false; | |
// Any decl can be declared with __asm("foo") on it, and this takes precedence | |
// over all other naming in the .o file. | |
if (D->hasAttr<AsmLabelAttr>()) | |
return true; | |
// Clang's "overloadable" attribute extension to C/C++ implies name mangling | |
// (always) as does passing a C++ member function and a function | |
// whose name is not a simple identifier. | |
const FunctionDecl *FD = dyn_cast<FunctionDecl>(D); | |
if (FD && (FD->hasAttr<OverloadableAttr>() || isa<CXXMethodDecl>(FD) || | |
!FD->getDeclName().isIdentifier())) | |
return true; | |
// Otherwise, no mangling is done outside C++ mode. | |
if (!getASTContext().getLangOpts().CPlusPlus) | |
return false; | |
// Variables at global scope with internal linkage are not mangled. | |
if (!FD) { | |
const DeclContext *DC = D->getDeclContext(); | |
if (DC->isTranslationUnit() && D->getLinkage() == InternalLinkage) | |
return false; | |
} | |
// C functions and "main" are not mangled. | |
if ((FD && FD->isMain()) || isInCLinkageSpecification(D)) | |
return false; | |
return true; | |
} | |
void MicrosoftCXXNameMangler::mangle(const NamedDecl *D, | |
StringRef Prefix) { | |
// MSVC doesn't mangle C++ names the same way it mangles extern "C" names. | |
// Therefore it's really important that we don't decorate the | |
// name with leading underscores or leading/trailing at signs. So, by | |
// default, we emit an asm marker at the start so we get the name right. | |
// Callers can override this with a custom prefix. | |
// Any decl can be declared with __asm("foo") on it, and this takes precedence | |
// over all other naming in the .o file. | |
if (const AsmLabelAttr *ALA = D->getAttr<AsmLabelAttr>()) { | |
// If we have an asm name, then we use it as the mangling. | |
Out << '\01' << ALA->getLabel(); | |
return; | |
} | |
// <mangled-name> ::= ? <name> <type-encoding> | |
Out << Prefix; | |
mangleName(D); | |
if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) | |
mangleFunctionEncoding(FD); | |
else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) | |
mangleVariableEncoding(VD); | |
else { | |
// TODO: Fields? Can MSVC even mangle them? | |
// Issue a diagnostic for now. | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this declaration yet"); | |
Diags.Report(D->getLocation(), DiagID) | |
<< D->getSourceRange(); | |
} | |
} | |
void MicrosoftCXXNameMangler::mangleFunctionEncoding(const FunctionDecl *FD) { | |
// <type-encoding> ::= <function-class> <function-type> | |
// Don't mangle in the type if this isn't a decl we should typically mangle. | |
if (!Context.shouldMangleDeclName(FD)) | |
return; | |
// We should never ever see a FunctionNoProtoType at this point. | |
// We don't even know how to mangle their types anyway :). | |
const FunctionProtoType *FT = FD->getType()->castAs<FunctionProtoType>(); | |
bool InStructor = false, InInstMethod = false; | |
const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD); | |
if (MD) { | |
if (MD->isInstance()) | |
InInstMethod = true; | |
if (isa<CXXConstructorDecl>(MD) || isa<CXXDestructorDecl>(MD)) | |
InStructor = true; | |
} | |
// First, the function class. | |
mangleFunctionClass(FD); | |
mangleType(FT, FD, InStructor, InInstMethod); | |
} | |
void MicrosoftCXXNameMangler::mangleVariableEncoding(const VarDecl *VD) { | |
// <type-encoding> ::= <storage-class> <variable-type> | |
// <storage-class> ::= 0 # private static member | |
// ::= 1 # protected static member | |
// ::= 2 # public static member | |
// ::= 3 # global | |
// ::= 4 # static local | |
// The first character in the encoding (after the name) is the storage class. | |
if (VD->isStaticDataMember()) { | |
// If it's a static member, it also encodes the access level. | |
switch (VD->getAccess()) { | |
default: | |
case AS_private: Out << '0'; break; | |
case AS_protected: Out << '1'; break; | |
case AS_public: Out << '2'; break; | |
} | |
} | |
else if (!VD->isStaticLocal()) | |
Out << '3'; | |
else | |
Out << '4'; | |
// Now mangle the type. | |
// <variable-type> ::= <type> <cvr-qualifiers> | |
// ::= <type> <pointee-cvr-qualifiers> # pointers, references | |
// Pointers and references are odd. The type of 'int * const foo;' gets | |
// mangled as 'QAHA' instead of 'PAHB', for example. | |
TypeLoc TL = VD->getTypeSourceInfo()->getTypeLoc(); | |
QualType Ty = TL.getType(); | |
if (Ty->isPointerType() || Ty->isReferenceType()) { | |
mangleType(Ty, TL.getSourceRange()); | |
mangleQualifiers(Ty->getPointeeType().getQualifiers(), false); | |
} else if (const ArrayType *AT = getASTContext().getAsArrayType(Ty)) { | |
// Global arrays are funny, too. | |
mangleType(AT, true); | |
mangleQualifiers(Ty.getQualifiers(), false); | |
} else { | |
mangleType(Ty.getLocalUnqualifiedType(), TL.getSourceRange()); | |
mangleQualifiers(Ty.getLocalQualifiers(), false); | |
} | |
} | |
void MicrosoftCXXNameMangler::mangleName(const NamedDecl *ND) { | |
// <name> ::= <unscoped-name> {[<named-scope>]+ | [<nested-name>]}? @ | |
const DeclContext *DC = ND->getDeclContext(); | |
// Always start with the unqualified name. | |
mangleUnqualifiedName(ND); | |
// If this is an extern variable declared locally, the relevant DeclContext | |
// is that of the containing namespace, or the translation unit. | |
if (isa<FunctionDecl>(DC) && ND->hasLinkage()) | |
while (!DC->isNamespace() && !DC->isTranslationUnit()) | |
DC = DC->getParent(); | |
manglePostfix(DC); | |
// Terminate the whole name with an '@'. | |
Out << '@'; | |
} | |
void MicrosoftCXXNameMangler::mangleNumber(int64_t Number) { | |
llvm::APSInt APSNumber(/*BitWidth=*/64, /*isUnsigned=*/false); | |
APSNumber = Number; | |
mangleNumber(APSNumber); | |
} | |
void MicrosoftCXXNameMangler::mangleNumber(const llvm::APSInt &Value) { | |
// <number> ::= [?] <decimal digit> # 1 <= Number <= 10 | |
// ::= [?] <hex digit>+ @ # 0 or > 9; A = 0, B = 1, etc... | |
// ::= [?] @ # 0 (alternate mangling, not emitted by VC) | |
if (Value.isSigned() && Value.isNegative()) { | |
Out << '?'; | |
mangleNumber(llvm::APSInt(Value.abs())); | |
return; | |
} | |
llvm::APSInt Temp(Value); | |
// There's a special shorter mangling for 0, but Microsoft | |
// chose not to use it. Instead, 0 gets mangled as "A@". Oh well... | |
if (Value.uge(1) && Value.ule(10)) { | |
--Temp; | |
Temp.print(Out, false); | |
} else { | |
// We have to build up the encoding in reverse order, so it will come | |
// out right when we write it out. | |
char Encoding[64]; | |
char *EndPtr = Encoding+sizeof(Encoding); | |
char *CurPtr = EndPtr; | |
llvm::APSInt NibbleMask(Value.getBitWidth(), Value.isUnsigned()); | |
NibbleMask = 0xf; | |
do { | |
*--CurPtr = 'A' + Temp.And(NibbleMask).getLimitedValue(0xf); | |
Temp = Temp.lshr(4); | |
} while (Temp != 0); | |
Out.write(CurPtr, EndPtr-CurPtr); | |
Out << '@'; | |
} | |
} | |
static const TemplateDecl * | |
isTemplate(const NamedDecl *ND, | |
SmallVectorImpl<TemplateArgumentLoc> &TemplateArgs) { | |
// Check if we have a function template. | |
if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)){ | |
if (const TemplateDecl *TD = FD->getPrimaryTemplate()) { | |
if (FD->getTemplateSpecializationArgsAsWritten()) { | |
const ASTTemplateArgumentListInfo *ArgList = | |
FD->getTemplateSpecializationArgsAsWritten(); | |
TemplateArgs.append(ArgList->getTemplateArgs(), | |
ArgList->getTemplateArgs() + | |
ArgList->NumTemplateArgs); | |
} else { | |
const TemplateArgumentList *ArgList = | |
FD->getTemplateSpecializationArgs(); | |
TemplateArgumentListInfo LI; | |
for (unsigned i = 0, e = ArgList->size(); i != e; ++i) | |
TemplateArgs.push_back(TemplateArgumentLoc(ArgList->get(i), | |
FD->getTypeSourceInfo())); | |
} | |
return TD; | |
} | |
} | |
// Check if we have a class template. | |
if (const ClassTemplateSpecializationDecl *Spec = | |
dyn_cast<ClassTemplateSpecializationDecl>(ND)) { | |
TypeSourceInfo *TSI = Spec->getTypeAsWritten(); | |
if (TSI) { | |
TemplateSpecializationTypeLoc TSTL = | |
cast<TemplateSpecializationTypeLoc>(TSI->getTypeLoc()); | |
TemplateArgumentListInfo LI(TSTL.getLAngleLoc(), TSTL.getRAngleLoc()); | |
for (unsigned i = 0, e = TSTL.getNumArgs(); i != e; ++i) | |
TemplateArgs.push_back(TSTL.getArgLoc(i)); | |
} else { | |
TemplateArgumentListInfo LI; | |
const TemplateArgumentList &ArgList = | |
Spec->getTemplateArgs(); | |
for (unsigned i = 0, e = ArgList.size(); i != e; ++i) | |
TemplateArgs.push_back(TemplateArgumentLoc(ArgList[i], | |
TemplateArgumentLocInfo())); | |
} | |
return Spec->getSpecializedTemplate(); | |
} | |
return 0; | |
} | |
void | |
MicrosoftCXXNameMangler::mangleUnqualifiedName(const NamedDecl *ND, | |
DeclarationName Name) { | |
// <unqualified-name> ::= <operator-name> | |
// ::= <ctor-dtor-name> | |
// ::= <source-name> | |
// ::= <template-name> | |
SmallVector<TemplateArgumentLoc, 2> TemplateArgs; | |
// Check if we have a template. | |
if (const TemplateDecl *TD = isTemplate(ND, TemplateArgs)) { | |
// We have a template. | |
// Here comes the tricky thing: if we need to mangle something like | |
// void foo(A::X<Y>, B::X<Y>), | |
// the X<Y> part is aliased. However, if you need to mangle | |
// void foo(A::X<A::Y>, A::X<B::Y>), | |
// the A::X<> part is not aliased. | |
// That said, from the mangler's perspective we have a structure like this: | |
// namespace[s] -> type[ -> template-parameters] | |
// but from the Clang perspective we have | |
// type [ -> template-parameters] | |
// \-> namespace[s] | |
// What we do is we create a new mangler, mangle the same type (without | |
// a namespace suffix) using the extra mangler with back references | |
// disabled (to avoid infinite recursion) and then use the mangled type | |
// name as a key to check the mangling of different types for aliasing. | |
std::string BackReferenceKey; | |
BackRefMap::iterator Found; | |
if (UseNameBackReferences) { | |
llvm::raw_string_ostream Stream(BackReferenceKey); | |
MicrosoftCXXNameMangler Extra(Context, Stream); | |
Extra.disableBackReferences(); | |
Extra.mangleUnqualifiedName(ND, Name); | |
Stream.flush(); | |
Found = NameBackReferences.find(BackReferenceKey); | |
} | |
if (!UseNameBackReferences || Found == NameBackReferences.end()) { | |
mangleTemplateInstantiationName(TD, TemplateArgs); | |
if (UseNameBackReferences && NameBackReferences.size() < 10) { | |
size_t Size = NameBackReferences.size(); | |
NameBackReferences[BackReferenceKey] = Size; | |
} | |
} else { | |
Out << Found->second; | |
} | |
return; | |
} | |
switch (Name.getNameKind()) { | |
case DeclarationName::Identifier: { | |
if (const IdentifierInfo *II = Name.getAsIdentifierInfo()) { | |
mangleSourceName(II); | |
break; | |
} | |
// Otherwise, an anonymous entity. We must have a declaration. | |
assert(ND && "mangling empty name without declaration"); | |
if (const NamespaceDecl *NS = dyn_cast<NamespaceDecl>(ND)) { | |
if (NS->isAnonymousNamespace()) { | |
Out << "?A@"; | |
break; | |
} | |
} | |
// We must have an anonymous struct. | |
const TagDecl *TD = cast<TagDecl>(ND); | |
if (const TypedefNameDecl *D = TD->getTypedefNameForAnonDecl()) { | |
assert(TD->getDeclContext() == D->getDeclContext() && | |
"Typedef should not be in another decl context!"); | |
assert(D->getDeclName().getAsIdentifierInfo() && | |
"Typedef was not named!"); | |
mangleSourceName(D->getDeclName().getAsIdentifierInfo()); | |
break; | |
} | |
// When VC encounters an anonymous type with no tag and no typedef, | |
// it literally emits '<unnamed-tag>'. | |
Out << "<unnamed-tag>"; | |
break; | |
} | |
case DeclarationName::ObjCZeroArgSelector: | |
case DeclarationName::ObjCOneArgSelector: | |
case DeclarationName::ObjCMultiArgSelector: | |
llvm_unreachable("Can't mangle Objective-C selector names here!"); | |
case DeclarationName::CXXConstructorName: | |
Out << "?0"; | |
break; | |
case DeclarationName::CXXDestructorName: | |
Out << "?1"; | |
break; | |
case DeclarationName::CXXConversionFunctionName: | |
// <operator-name> ::= ?B # (cast) | |
// The target type is encoded as the return type. | |
Out << "?B"; | |
break; | |
case DeclarationName::CXXOperatorName: | |
mangleOperatorName(Name.getCXXOverloadedOperator(), ND->getLocation()); | |
break; | |
case DeclarationName::CXXLiteralOperatorName: { | |
// FIXME: Was this added in VS2010? Does MS even know how to mangle this? | |
DiagnosticsEngine Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this literal operator yet"); | |
Diags.Report(ND->getLocation(), DiagID); | |
break; | |
} | |
case DeclarationName::CXXUsingDirective: | |
llvm_unreachable("Can't mangle a using directive name!"); | |
} | |
} | |
void MicrosoftCXXNameMangler::manglePostfix(const DeclContext *DC, | |
bool NoFunction) { | |
// <postfix> ::= <unqualified-name> [<postfix>] | |
// ::= <substitution> [<postfix>] | |
if (!DC) return; | |
while (isa<LinkageSpecDecl>(DC)) | |
DC = DC->getParent(); | |
if (DC->isTranslationUnit()) | |
return; | |
if (const BlockDecl *BD = dyn_cast<BlockDecl>(DC)) { | |
Context.mangleBlock(BD, Out); | |
Out << '@'; | |
return manglePostfix(DC->getParent(), NoFunction); | |
} | |
if (NoFunction && (isa<FunctionDecl>(DC) || isa<ObjCMethodDecl>(DC))) | |
return; | |
else if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(DC)) | |
mangleObjCMethodName(Method); | |
else if (const FunctionDecl *Func = dyn_cast<FunctionDecl>(DC)) | |
mangleLocalName(Func); | |
else { | |
mangleUnqualifiedName(cast<NamedDecl>(DC)); | |
manglePostfix(DC->getParent(), NoFunction); | |
} | |
} | |
void MicrosoftCXXNameMangler::mangleOperatorName(OverloadedOperatorKind OO, | |
SourceLocation Loc) { | |
switch (OO) { | |
// ?0 # constructor | |
// ?1 # destructor | |
// <operator-name> ::= ?2 # new | |
case OO_New: Out << "?2"; break; | |
// <operator-name> ::= ?3 # delete | |
case OO_Delete: Out << "?3"; break; | |
// <operator-name> ::= ?4 # = | |
case OO_Equal: Out << "?4"; break; | |
// <operator-name> ::= ?5 # >> | |
case OO_GreaterGreater: Out << "?5"; break; | |
// <operator-name> ::= ?6 # << | |
case OO_LessLess: Out << "?6"; break; | |
// <operator-name> ::= ?7 # ! | |
case OO_Exclaim: Out << "?7"; break; | |
// <operator-name> ::= ?8 # == | |
case OO_EqualEqual: Out << "?8"; break; | |
// <operator-name> ::= ?9 # != | |
case OO_ExclaimEqual: Out << "?9"; break; | |
// <operator-name> ::= ?A # [] | |
case OO_Subscript: Out << "?A"; break; | |
// ?B # conversion | |
// <operator-name> ::= ?C # -> | |
case OO_Arrow: Out << "?C"; break; | |
// <operator-name> ::= ?D # * | |
case OO_Star: Out << "?D"; break; | |
// <operator-name> ::= ?E # ++ | |
case OO_PlusPlus: Out << "?E"; break; | |
// <operator-name> ::= ?F # -- | |
case OO_MinusMinus: Out << "?F"; break; | |
// <operator-name> ::= ?G # - | |
case OO_Minus: Out << "?G"; break; | |
// <operator-name> ::= ?H # + | |
case OO_Plus: Out << "?H"; break; | |
// <operator-name> ::= ?I # & | |
case OO_Amp: Out << "?I"; break; | |
// <operator-name> ::= ?J # ->* | |
case OO_ArrowStar: Out << "?J"; break; | |
// <operator-name> ::= ?K # / | |
case OO_Slash: Out << "?K"; break; | |
// <operator-name> ::= ?L # % | |
case OO_Percent: Out << "?L"; break; | |
// <operator-name> ::= ?M # < | |
case OO_Less: Out << "?M"; break; | |
// <operator-name> ::= ?N # <= | |
case OO_LessEqual: Out << "?N"; break; | |
// <operator-name> ::= ?O # > | |
case OO_Greater: Out << "?O"; break; | |
// <operator-name> ::= ?P # >= | |
case OO_GreaterEqual: Out << "?P"; break; | |
// <operator-name> ::= ?Q # , | |
case OO_Comma: Out << "?Q"; break; | |
// <operator-name> ::= ?R # () | |
case OO_Call: Out << "?R"; break; | |
// <operator-name> ::= ?S # ~ | |
case OO_Tilde: Out << "?S"; break; | |
// <operator-name> ::= ?T # ^ | |
case OO_Caret: Out << "?T"; break; | |
// <operator-name> ::= ?U # | | |
case OO_Pipe: Out << "?U"; break; | |
// <operator-name> ::= ?V # && | |
case OO_AmpAmp: Out << "?V"; break; | |
// <operator-name> ::= ?W # || | |
case OO_PipePipe: Out << "?W"; break; | |
// <operator-name> ::= ?X # *= | |
case OO_StarEqual: Out << "?X"; break; | |
// <operator-name> ::= ?Y # += | |
case OO_PlusEqual: Out << "?Y"; break; | |
// <operator-name> ::= ?Z # -= | |
case OO_MinusEqual: Out << "?Z"; break; | |
// <operator-name> ::= ?_0 # /= | |
case OO_SlashEqual: Out << "?_0"; break; | |
// <operator-name> ::= ?_1 # %= | |
case OO_PercentEqual: Out << "?_1"; break; | |
// <operator-name> ::= ?_2 # >>= | |
case OO_GreaterGreaterEqual: Out << "?_2"; break; | |
// <operator-name> ::= ?_3 # <<= | |
case OO_LessLessEqual: Out << "?_3"; break; | |
// <operator-name> ::= ?_4 # &= | |
case OO_AmpEqual: Out << "?_4"; break; | |
// <operator-name> ::= ?_5 # |= | |
case OO_PipeEqual: Out << "?_5"; break; | |
// <operator-name> ::= ?_6 # ^= | |
case OO_CaretEqual: Out << "?_6"; break; | |
// ?_7 # vftable | |
// ?_8 # vbtable | |
// ?_9 # vcall | |
// ?_A # typeof | |
// ?_B # local static guard | |
// ?_C # string | |
// ?_D # vbase destructor | |
// ?_E # vector deleting destructor | |
// ?_F # default constructor closure | |
// ?_G # scalar deleting destructor | |
// ?_H # vector constructor iterator | |
// ?_I # vector destructor iterator | |
// ?_J # vector vbase constructor iterator | |
// ?_K # virtual displacement map | |
// ?_L # eh vector constructor iterator | |
// ?_M # eh vector destructor iterator | |
// ?_N # eh vector vbase constructor iterator | |
// ?_O # copy constructor closure | |
// ?_P<name> # udt returning <name> | |
// ?_Q # <unknown> | |
// ?_R0 # RTTI Type Descriptor | |
// ?_R1 # RTTI Base Class Descriptor at (a,b,c,d) | |
// ?_R2 # RTTI Base Class Array | |
// ?_R3 # RTTI Class Hierarchy Descriptor | |
// ?_R4 # RTTI Complete Object Locator | |
// ?_S # local vftable | |
// ?_T # local vftable constructor closure | |
// <operator-name> ::= ?_U # new[] | |
case OO_Array_New: Out << "?_U"; break; | |
// <operator-name> ::= ?_V # delete[] | |
case OO_Array_Delete: Out << "?_V"; break; | |
case OO_Conditional: { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this conditional operator yet"); | |
Diags.Report(Loc, DiagID); | |
break; | |
} | |
case OO_None: | |
case NUM_OVERLOADED_OPERATORS: | |
llvm_unreachable("Not an overloaded operator"); | |
} | |
} | |
void MicrosoftCXXNameMangler::mangleSourceName(const IdentifierInfo *II) { | |
// <source name> ::= <identifier> @ | |
std::string key = II->getNameStart(); | |
BackRefMap::iterator Found; | |
if (UseNameBackReferences) | |
Found = NameBackReferences.find(key); | |
if (!UseNameBackReferences || Found == NameBackReferences.end()) { | |
Out << II->getName() << '@'; | |
if (UseNameBackReferences && NameBackReferences.size() < 10) { | |
size_t Size = NameBackReferences.size(); | |
NameBackReferences[key] = Size; | |
} | |
} else { | |
Out << Found->second; | |
} | |
} | |
void MicrosoftCXXNameMangler::mangleObjCMethodName(const ObjCMethodDecl *MD) { | |
Context.mangleObjCMethodName(MD, Out); | |
} | |
// Find out how many function decls live above this one and return an integer | |
// suitable for use as the number in a numbered anonymous scope. | |
// TODO: Memoize. | |
static unsigned getLocalNestingLevel(const FunctionDecl *FD) { | |
const DeclContext *DC = FD->getParent(); | |
int level = 1; | |
while (DC && !DC->isTranslationUnit()) { | |
if (isa<FunctionDecl>(DC) || isa<ObjCMethodDecl>(DC)) level++; | |
DC = DC->getParent(); | |
} | |
return 2*level; | |
} | |
void MicrosoftCXXNameMangler::mangleLocalName(const FunctionDecl *FD) { | |
// <nested-name> ::= <numbered-anonymous-scope> ? <mangled-name> | |
// <numbered-anonymous-scope> ::= ? <number> | |
// Even though the name is rendered in reverse order (e.g. | |
// A::B::C is rendered as C@B@A), VC numbers the scopes from outermost to | |
// innermost. So a method bar in class C local to function foo gets mangled | |
// as something like: | |
// ?bar@C@?1??foo@@YAXXZ@QAEXXZ | |
// This is more apparent when you have a type nested inside a method of a | |
// type nested inside a function. A method baz in class D local to method | |
// bar of class C local to function foo gets mangled as: | |
// ?baz@D@?3??bar@C@?1??foo@@YAXXZ@QAEXXZ@QAEXXZ | |
// This scheme is general enough to support GCC-style nested | |
// functions. You could have a method baz of class C inside a function bar | |
// inside a function foo, like so: | |
// ?baz@C@?3??bar@?1??foo@@YAXXZ@YAXXZ@QAEXXZ | |
int NestLevel = getLocalNestingLevel(FD); | |
Out << '?'; | |
mangleNumber(NestLevel); | |
Out << '?'; | |
mangle(FD, "?"); | |
} | |
void MicrosoftCXXNameMangler::mangleTemplateInstantiationName( | |
const TemplateDecl *TD, | |
const SmallVectorImpl<TemplateArgumentLoc> &TemplateArgs) { | |
// <template-name> ::= <unscoped-template-name> <template-args> | |
// ::= <substitution> | |
// Always start with the unqualified name. | |
// Templates have their own context for back references. | |
ArgBackRefMap OuterArgsContext; | |
BackRefMap OuterTemplateContext; | |
NameBackReferences.swap(OuterTemplateContext); | |
TypeBackReferences.swap(OuterArgsContext); | |
mangleUnscopedTemplateName(TD); | |
mangleTemplateArgs(TemplateArgs); | |
// Restore the previous back reference contexts. | |
NameBackReferences.swap(OuterTemplateContext); | |
TypeBackReferences.swap(OuterArgsContext); | |
} | |
void | |
MicrosoftCXXNameMangler::mangleUnscopedTemplateName(const TemplateDecl *TD) { | |
// <unscoped-template-name> ::= ?$ <unqualified-name> | |
Out << "?$"; | |
mangleUnqualifiedName(TD); | |
} | |
void | |
MicrosoftCXXNameMangler::mangleIntegerLiteral(const llvm::APSInt &Value, | |
bool IsBoolean) { | |
// <integer-literal> ::= $0 <number> | |
Out << "$0"; | |
// Make sure booleans are encoded as 0/1. | |
if (IsBoolean && Value.getBoolValue()) | |
mangleNumber(1); | |
else | |
mangleNumber(Value); | |
} | |
void | |
MicrosoftCXXNameMangler::mangleExpression(const Expr *E) { | |
// See if this is a constant expression. | |
llvm::APSInt Value; | |
if (E->isIntegerConstantExpr(Value, Context.getASTContext())) { | |
mangleIntegerLiteral(Value, E->getType()->isBooleanType()); | |
return; | |
} | |
// As bad as this diagnostic is, it's better than crashing. | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot yet mangle expression type %0"); | |
Diags.Report(E->getExprLoc(), DiagID) | |
<< E->getStmtClassName() << E->getSourceRange(); | |
} | |
void | |
MicrosoftCXXNameMangler::mangleTemplateArgs( | |
const SmallVectorImpl<TemplateArgumentLoc> &TemplateArgs) { | |
// <template-args> ::= {<type> | <integer-literal>}+ @ | |
unsigned NumTemplateArgs = TemplateArgs.size(); | |
for (unsigned i = 0; i < NumTemplateArgs; ++i) { | |
const TemplateArgumentLoc &TAL = TemplateArgs[i]; | |
const TemplateArgument &TA = TAL.getArgument(); | |
switch (TA.getKind()) { | |
case TemplateArgument::Null: | |
llvm_unreachable("Can't mangle null template arguments!"); | |
case TemplateArgument::Type: | |
mangleType(TA.getAsType(), TAL.getSourceRange()); | |
break; | |
case TemplateArgument::Integral: | |
mangleIntegerLiteral(TA.getAsIntegral(), | |
TA.getIntegralType()->isBooleanType()); | |
break; | |
case TemplateArgument::Expression: | |
mangleExpression(TA.getAsExpr()); | |
break; | |
case TemplateArgument::Template: | |
case TemplateArgument::TemplateExpansion: | |
case TemplateArgument::Declaration: | |
case TemplateArgument::NullPtr: | |
case TemplateArgument::Pack: { | |
// Issue a diagnostic. | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this %select{ERROR|ERROR|pointer/reference|nullptr|" | |
"integral|template|template pack expansion|ERROR|parameter pack}0 " | |
"template argument yet"); | |
Diags.Report(TAL.getLocation(), DiagID) | |
<< TA.getKind() | |
<< TAL.getSourceRange(); | |
} | |
} | |
} | |
Out << '@'; | |
} | |
void MicrosoftCXXNameMangler::mangleQualifiers(Qualifiers Quals, | |
bool IsMember) { | |
// <cvr-qualifiers> ::= [E] [F] [I] <base-cvr-qualifiers> | |
// 'E' means __ptr64 (32-bit only); 'F' means __unaligned (32/64-bit only); | |
// 'I' means __restrict (32/64-bit). | |
// Note that the MSVC __restrict keyword isn't the same as the C99 restrict | |
// keyword! | |
// <base-cvr-qualifiers> ::= A # near | |
// ::= B # near const | |
// ::= C # near volatile | |
// ::= D # near const volatile | |
// ::= E # far (16-bit) | |
// ::= F # far const (16-bit) | |
// ::= G # far volatile (16-bit) | |
// ::= H # far const volatile (16-bit) | |
// ::= I # huge (16-bit) | |
// ::= J # huge const (16-bit) | |
// ::= K # huge volatile (16-bit) | |
// ::= L # huge const volatile (16-bit) | |
// ::= M <basis> # based | |
// ::= N <basis> # based const | |
// ::= O <basis> # based volatile | |
// ::= P <basis> # based const volatile | |
// ::= Q # near member | |
// ::= R # near const member | |
// ::= S # near volatile member | |
// ::= T # near const volatile member | |
// ::= U # far member (16-bit) | |
// ::= V # far const member (16-bit) | |
// ::= W # far volatile member (16-bit) | |
// ::= X # far const volatile member (16-bit) | |
// ::= Y # huge member (16-bit) | |
// ::= Z # huge const member (16-bit) | |
// ::= 0 # huge volatile member (16-bit) | |
// ::= 1 # huge const volatile member (16-bit) | |
// ::= 2 <basis> # based member | |
// ::= 3 <basis> # based const member | |
// ::= 4 <basis> # based volatile member | |
// ::= 5 <basis> # based const volatile member | |
// ::= 6 # near function (pointers only) | |
// ::= 7 # far function (pointers only) | |
// ::= 8 # near method (pointers only) | |
// ::= 9 # far method (pointers only) | |
// ::= _A <basis> # based function (pointers only) | |
// ::= _B <basis> # based function (far?) (pointers only) | |
// ::= _C <basis> # based method (pointers only) | |
// ::= _D <basis> # based method (far?) (pointers only) | |
// ::= _E # block (Clang) | |
// <basis> ::= 0 # __based(void) | |
// ::= 1 # __based(segment)? | |
// ::= 2 <name> # __based(name) | |
// ::= 3 # ? | |
// ::= 4 # ? | |
// ::= 5 # not really based | |
bool HasConst = Quals.hasConst(), | |
HasVolatile = Quals.hasVolatile(); | |
if (!IsMember) { | |
if (HasConst && HasVolatile) { | |
Out << 'D'; | |
} else if (HasVolatile) { | |
Out << 'C'; | |
} else if (HasConst) { | |
Out << 'B'; | |
} else { | |
Out << 'A'; | |
} | |
} else { | |
if (HasConst && HasVolatile) { | |
Out << 'T'; | |
} else if (HasVolatile) { | |
Out << 'S'; | |
} else if (HasConst) { | |
Out << 'R'; | |
} else { | |
Out << 'Q'; | |
} | |
} | |
// FIXME: For now, just drop all extension qualifiers on the floor. | |
} | |
void MicrosoftCXXNameMangler::manglePointerQualifiers(Qualifiers Quals) { | |
// <pointer-cvr-qualifiers> ::= P # no qualifiers | |
// ::= Q # const | |
// ::= R # volatile | |
// ::= S # const volatile | |
bool HasConst = Quals.hasConst(), | |
HasVolatile = Quals.hasVolatile(); | |
if (HasConst && HasVolatile) { | |
Out << 'S'; | |
} else if (HasVolatile) { | |
Out << 'R'; | |
} else if (HasConst) { | |
Out << 'Q'; | |
} else { | |
Out << 'P'; | |
} | |
} | |
void MicrosoftCXXNameMangler::mangleArgumentType(QualType T, | |
SourceRange Range) { | |
void *TypePtr = getASTContext().getCanonicalType(T).getAsOpaquePtr(); | |
ArgBackRefMap::iterator Found = TypeBackReferences.find(TypePtr); | |
if (Found == TypeBackReferences.end()) { | |
size_t OutSizeBefore = Out.GetNumBytesInBuffer(); | |
mangleType(T, Range, false); | |
// See if it's worth creating a back reference. | |
// Only types longer than 1 character are considered | |
// and only 10 back references slots are available: | |
bool LongerThanOneChar = (Out.GetNumBytesInBuffer() - OutSizeBefore > 1); | |
if (LongerThanOneChar && TypeBackReferences.size() < 10) { | |
size_t Size = TypeBackReferences.size(); | |
TypeBackReferences[TypePtr] = Size; | |
} | |
} else { | |
Out << Found->second; | |
} | |
} | |
void MicrosoftCXXNameMangler::mangleType(QualType T, SourceRange Range, | |
bool MangleQualifiers) { | |
// Only operate on the canonical type! | |
T = getASTContext().getCanonicalType(T); | |
Qualifiers Quals = T.getLocalQualifiers(); | |
// We have to mangle these now, while we still have enough information. | |
if (T->isAnyPointerType() || T->isMemberPointerType() || | |
T->isBlockPointerType()) { | |
manglePointerQualifiers(Quals); | |
} else if (Quals && MangleQualifiers) { | |
mangleQualifiers(Quals, false); | |
} | |
SplitQualType split = T.split(); | |
const Type *ty = split.Ty; | |
// If we're mangling a qualified array type, push the qualifiers to | |
// the element type. | |
if (split.Quals && isa<ArrayType>(T)) { | |
ty = Context.getASTContext().getAsArrayType(T); | |
} | |
switch (ty->getTypeClass()) { | |
#define ABSTRACT_TYPE(CLASS, PARENT) | |
#define NON_CANONICAL_TYPE(CLASS, PARENT) \ | |
case Type::CLASS: \ | |
llvm_unreachable("can't mangle non-canonical type " #CLASS "Type"); \ | |
return; | |
#define TYPE(CLASS, PARENT) \ | |
case Type::CLASS: \ | |
mangleType(cast<CLASS##Type>(ty), Range); \ | |
break; | |
#include "clang/AST/TypeNodes.def" | |
#undef ABSTRACT_TYPE | |
#undef NON_CANONICAL_TYPE | |
#undef TYPE | |
} | |
} | |
void MicrosoftCXXNameMangler::mangleType(const BuiltinType *T, | |
SourceRange Range) { | |
// <type> ::= <builtin-type> | |
// <builtin-type> ::= X # void | |
// ::= C # signed char | |
// ::= D # char | |
// ::= E # unsigned char | |
// ::= F # short | |
// ::= G # unsigned short (or wchar_t if it's not a builtin) | |
// ::= H # int | |
// ::= I # unsigned int | |
// ::= J # long | |
// ::= K # unsigned long | |
// L # <none> | |
// ::= M # float | |
// ::= N # double | |
// ::= O # long double (__float80 is mangled differently) | |
// ::= _J # long long, __int64 | |
// ::= _K # unsigned long long, __int64 | |
// ::= _L # __int128 | |
// ::= _M # unsigned __int128 | |
// ::= _N # bool | |
// _O # <array in parameter> | |
// ::= _T # __float80 (Intel) | |
// ::= _W # wchar_t | |
// ::= _Z # __float80 (Digital Mars) | |
switch (T->getKind()) { | |
case BuiltinType::Void: Out << 'X'; break; | |
case BuiltinType::SChar: Out << 'C'; break; | |
case BuiltinType::Char_U: case BuiltinType::Char_S: Out << 'D'; break; | |
case BuiltinType::UChar: Out << 'E'; break; | |
case BuiltinType::Short: Out << 'F'; break; | |
case BuiltinType::UShort: Out << 'G'; break; | |
case BuiltinType::Int: Out << 'H'; break; | |
case BuiltinType::UInt: Out << 'I'; break; | |
case BuiltinType::Long: Out << 'J'; break; | |
case BuiltinType::ULong: Out << 'K'; break; | |
case BuiltinType::Float: Out << 'M'; break; | |
case BuiltinType::Double: Out << 'N'; break; | |
// TODO: Determine size and mangle accordingly | |
case BuiltinType::LongDouble: Out << 'O'; break; | |
case BuiltinType::LongLong: Out << "_J"; break; | |
case BuiltinType::ULongLong: Out << "_K"; break; | |
case BuiltinType::Int128: Out << "_L"; break; | |
case BuiltinType::UInt128: Out << "_M"; break; | |
case BuiltinType::Bool: Out << "_N"; break; | |
case BuiltinType::WChar_S: | |
case BuiltinType::WChar_U: Out << "_W"; break; | |
#define BUILTIN_TYPE(Id, SingletonId) | |
#define PLACEHOLDER_TYPE(Id, SingletonId) \ | |
case BuiltinType::Id: | |
#include "clang/AST/BuiltinTypes.def" | |
case BuiltinType::Dependent: | |
llvm_unreachable("placeholder types shouldn't get to name mangling"); | |
case BuiltinType::ObjCId: Out << "PAUobjc_object@@"; break; | |
case BuiltinType::ObjCClass: Out << "PAUobjc_class@@"; break; | |
case BuiltinType::ObjCSel: Out << "PAUobjc_selector@@"; break; | |
case BuiltinType::OCLImage1d: Out << "PAUocl_image1d@@"; break; | |
case BuiltinType::OCLImage1dArray: Out << "PAUocl_image1darray@@"; break; | |
case BuiltinType::OCLImage1dBuffer: Out << "PAUocl_image1dbuffer@@"; break; | |
case BuiltinType::OCLImage2d: Out << "PAUocl_image2d@@"; break; | |
case BuiltinType::OCLImage2dArray: Out << "PAUocl_image2darray@@"; break; | |
case BuiltinType::OCLImage3d: Out << "PAUocl_image3d@@"; break; | |
case BuiltinType::NullPtr: Out << "$$T"; break; | |
case BuiltinType::Char16: | |
case BuiltinType::Char32: | |
case BuiltinType::Half: { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this built-in %0 type yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< T->getName(Context.getASTContext().getPrintingPolicy()) | |
<< Range; | |
break; | |
} | |
} | |
} | |
// <type> ::= <function-type> | |
void MicrosoftCXXNameMangler::mangleType(const FunctionProtoType *T, | |
SourceRange) { | |
// Structors only appear in decls, so at this point we know it's not a | |
// structor type. | |
// FIXME: This may not be lambda-friendly. | |
Out << "$$A6"; | |
mangleType(T, NULL, false, false); | |
} | |
void MicrosoftCXXNameMangler::mangleType(const FunctionNoProtoType *T, | |
SourceRange) { | |
llvm_unreachable("Can't mangle K&R function prototypes"); | |
} | |
void MicrosoftCXXNameMangler::mangleType(const FunctionType *T, | |
const FunctionDecl *D, | |
bool IsStructor, | |
bool IsInstMethod) { | |
// <function-type> ::= <this-cvr-qualifiers> <calling-convention> | |
// <return-type> <argument-list> <throw-spec> | |
const FunctionProtoType *Proto = cast<FunctionProtoType>(T); | |
// If this is a C++ instance method, mangle the CVR qualifiers for the | |
// this pointer. | |
if (IsInstMethod) | |
mangleQualifiers(Qualifiers::fromCVRMask(Proto->getTypeQuals()), false); | |
mangleCallingConvention(T, IsInstMethod); | |
// <return-type> ::= <type> | |
// ::= @ # structors (they have no declared return type) | |
if (IsStructor) | |
Out << '@'; | |
else { | |
QualType Result = Proto->getResultType(); | |
const Type* RT = Result.getTypePtr(); | |
if (!RT->isAnyPointerType() && !RT->isReferenceType()) { | |
if (Result.hasQualifiers() || !RT->isBuiltinType()) | |
Out << '?'; | |
if (!RT->isBuiltinType() && !Result.hasQualifiers()) { | |
// Lack of qualifiers for user types is mangled as 'A'. | |
Out << 'A'; | |
} | |
} | |
// FIXME: Get the source range for the result type. Or, better yet, | |
// implement the unimplemented stuff so we don't need accurate source | |
// location info anymore :). | |
mangleType(Result, SourceRange()); | |
} | |
// <argument-list> ::= X # void | |
// ::= <type>+ @ | |
// ::= <type>* Z # varargs | |
if (Proto->getNumArgs() == 0 && !Proto->isVariadic()) { | |
Out << 'X'; | |
} else { | |
if (D) { | |
// If we got a decl, use the type-as-written to make sure arrays | |
// get mangled right. Note that we can't rely on the TSI | |
// existing if (for example) the parameter was synthesized. | |
for (FunctionDecl::param_const_iterator Parm = D->param_begin(), | |
ParmEnd = D->param_end(); Parm != ParmEnd; ++Parm) { | |
TypeSourceInfo *TSI = (*Parm)->getTypeSourceInfo(); | |
QualType Type = TSI ? TSI->getType() : (*Parm)->getType(); | |
mangleArgumentType(Type, (*Parm)->getSourceRange()); | |
} | |
} else { | |
// Happens for function pointer type arguments for example. | |
for (FunctionProtoType::arg_type_iterator Arg = Proto->arg_type_begin(), | |
ArgEnd = Proto->arg_type_end(); | |
Arg != ArgEnd; ++Arg) | |
mangleArgumentType(*Arg, SourceRange()); | |
} | |
// <builtin-type> ::= Z # ellipsis | |
if (Proto->isVariadic()) | |
Out << 'Z'; | |
else | |
Out << '@'; | |
} | |
mangleThrowSpecification(Proto); | |
} | |
void MicrosoftCXXNameMangler::mangleFunctionClass(const FunctionDecl *FD) { | |
// <function-class> ::= A # private: near | |
// ::= B # private: far | |
// ::= C # private: static near | |
// ::= D # private: static far | |
// ::= E # private: virtual near | |
// ::= F # private: virtual far | |
// ::= G # private: thunk near | |
// ::= H # private: thunk far | |
// ::= I # protected: near | |
// ::= J # protected: far | |
// ::= K # protected: static near | |
// ::= L # protected: static far | |
// ::= M # protected: virtual near | |
// ::= N # protected: virtual far | |
// ::= O # protected: thunk near | |
// ::= P # protected: thunk far | |
// ::= Q # public: near | |
// ::= R # public: far | |
// ::= S # public: static near | |
// ::= T # public: static far | |
// ::= U # public: virtual near | |
// ::= V # public: virtual far | |
// ::= W # public: thunk near | |
// ::= X # public: thunk far | |
// ::= Y # global near | |
// ::= Z # global far | |
if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { | |
switch (MD->getAccess()) { | |
default: | |
case AS_private: | |
if (MD->isStatic()) | |
Out << 'C'; | |
else if (MD->isVirtual()) | |
Out << 'E'; | |
else | |
Out << 'A'; | |
break; | |
case AS_protected: | |
if (MD->isStatic()) | |
Out << 'K'; | |
else if (MD->isVirtual()) | |
Out << 'M'; | |
else | |
Out << 'I'; | |
break; | |
case AS_public: | |
if (MD->isStatic()) | |
Out << 'S'; | |
else if (MD->isVirtual()) | |
Out << 'U'; | |
else | |
Out << 'Q'; | |
} | |
} else | |
Out << 'Y'; | |
} | |
void MicrosoftCXXNameMangler::mangleCallingConvention(const FunctionType *T, | |
bool IsInstMethod) { | |
// <calling-convention> ::= A # __cdecl | |
// ::= B # __export __cdecl | |
// ::= C # __pascal | |
// ::= D # __export __pascal | |
// ::= E # __thiscall | |
// ::= F # __export __thiscall | |
// ::= G # __stdcall | |
// ::= H # __export __stdcall | |
// ::= I # __fastcall | |
// ::= J # __export __fastcall | |
// The 'export' calling conventions are from a bygone era | |
// (*cough*Win16*cough*) when functions were declared for export with | |
// that keyword. (It didn't actually export them, it just made them so | |
// that they could be in a DLL and somebody from another module could call | |
// them.) | |
CallingConv CC = T->getCallConv(); | |
if (CC == CC_Default) { | |
if (IsInstMethod) { | |
const FunctionProtoType *FPT = | |
T->getCanonicalTypeUnqualified().castAs<FunctionProtoType>(); | |
bool isVariadic = FPT->isVariadic(); | |
CC = getASTContext().getDefaultCXXMethodCallConv(isVariadic); | |
} else { | |
CC = CC_C; | |
} | |
} | |
switch (CC) { | |
default: | |
llvm_unreachable("Unsupported CC for mangling"); | |
case CC_Default: | |
case CC_C: Out << 'A'; break; | |
case CC_X86Pascal: Out << 'C'; break; | |
case CC_X86ThisCall: Out << 'E'; break; | |
case CC_X86StdCall: Out << 'G'; break; | |
case CC_X86FastCall: Out << 'I'; break; | |
} | |
} | |
void MicrosoftCXXNameMangler::mangleThrowSpecification( | |
const FunctionProtoType *FT) { | |
// <throw-spec> ::= Z # throw(...) (default) | |
// ::= @ # throw() or __declspec/__attribute__((nothrow)) | |
// ::= <type>+ | |
// NOTE: Since the Microsoft compiler ignores throw specifications, they are | |
// all actually mangled as 'Z'. (They're ignored because their associated | |
// functionality isn't implemented, and probably never will be.) | |
Out << 'Z'; | |
} | |
void MicrosoftCXXNameMangler::mangleType(const UnresolvedUsingType *T, | |
SourceRange Range) { | |
// Probably should be mangled as a template instantiation; need to see what | |
// VC does first. | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this unresolved dependent type yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
// <type> ::= <union-type> | <struct-type> | <class-type> | <enum-type> | |
// <union-type> ::= T <name> | |
// <struct-type> ::= U <name> | |
// <class-type> ::= V <name> | |
// <enum-type> ::= W <size> <name> | |
void MicrosoftCXXNameMangler::mangleType(const EnumType *T, SourceRange) { | |
mangleType(cast<TagType>(T)); | |
} | |
void MicrosoftCXXNameMangler::mangleType(const RecordType *T, SourceRange) { | |
mangleType(cast<TagType>(T)); | |
} | |
void MicrosoftCXXNameMangler::mangleType(const TagType *T) { | |
switch (T->getDecl()->getTagKind()) { | |
case TTK_Union: | |
Out << 'T'; | |
break; | |
case TTK_Struct: | |
case TTK_Interface: | |
Out << 'U'; | |
break; | |
case TTK_Class: | |
Out << 'V'; | |
break; | |
case TTK_Enum: | |
Out << 'W'; | |
Out << getASTContext().getTypeSizeInChars( | |
cast<EnumDecl>(T->getDecl())->getIntegerType()).getQuantity(); | |
break; | |
} | |
mangleName(T->getDecl()); | |
} | |
// <type> ::= <array-type> | |
// <array-type> ::= <pointer-cvr-qualifiers> <cvr-qualifiers> | |
// [Y <dimension-count> <dimension>+] | |
// <element-type> # as global | |
// ::= Q <cvr-qualifiers> [Y <dimension-count> <dimension>+] | |
// <element-type> # as param | |
// It's supposed to be the other way around, but for some strange reason, it | |
// isn't. Today this behavior is retained for the sole purpose of backwards | |
// compatibility. | |
void MicrosoftCXXNameMangler::mangleType(const ArrayType *T, bool IsGlobal) { | |
// This isn't a recursive mangling, so now we have to do it all in this | |
// one call. | |
if (IsGlobal) { | |
manglePointerQualifiers(T->getElementType().getQualifiers()); | |
} else { | |
Out << 'Q'; | |
} | |
mangleExtraDimensions(T->getElementType()); | |
} | |
void MicrosoftCXXNameMangler::mangleType(const ConstantArrayType *T, | |
SourceRange) { | |
mangleType(cast<ArrayType>(T), false); | |
} | |
void MicrosoftCXXNameMangler::mangleType(const VariableArrayType *T, | |
SourceRange) { | |
mangleType(cast<ArrayType>(T), false); | |
} | |
void MicrosoftCXXNameMangler::mangleType(const DependentSizedArrayType *T, | |
SourceRange) { | |
mangleType(cast<ArrayType>(T), false); | |
} | |
void MicrosoftCXXNameMangler::mangleType(const IncompleteArrayType *T, | |
SourceRange) { | |
mangleType(cast<ArrayType>(T), false); | |
} | |
void MicrosoftCXXNameMangler::mangleExtraDimensions(QualType ElementTy) { | |
SmallVector<llvm::APInt, 3> Dimensions; | |
for (;;) { | |
if (const ConstantArrayType *CAT = | |
getASTContext().getAsConstantArrayType(ElementTy)) { | |
Dimensions.push_back(CAT->getSize()); | |
ElementTy = CAT->getElementType(); | |
} else if (ElementTy->isVariableArrayType()) { | |
const VariableArrayType *VAT = | |
getASTContext().getAsVariableArrayType(ElementTy); | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this variable-length array yet"); | |
Diags.Report(VAT->getSizeExpr()->getExprLoc(), DiagID) | |
<< VAT->getBracketsRange(); | |
return; | |
} else if (ElementTy->isDependentSizedArrayType()) { | |
// The dependent expression has to be folded into a constant (TODO). | |
const DependentSizedArrayType *DSAT = | |
getASTContext().getAsDependentSizedArrayType(ElementTy); | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this dependent-length array yet"); | |
Diags.Report(DSAT->getSizeExpr()->getExprLoc(), DiagID) | |
<< DSAT->getBracketsRange(); | |
return; | |
} else if (ElementTy->isIncompleteArrayType()) continue; | |
else break; | |
} | |
mangleQualifiers(ElementTy.getQualifiers(), false); | |
// If there are any additional dimensions, mangle them now. | |
if (Dimensions.size() > 0) { | |
Out << 'Y'; | |
// <dimension-count> ::= <number> # number of extra dimensions | |
mangleNumber(Dimensions.size()); | |
for (unsigned Dim = 0; Dim < Dimensions.size(); ++Dim) { | |
mangleNumber(Dimensions[Dim].getLimitedValue()); | |
} | |
} | |
mangleType(ElementTy.getLocalUnqualifiedType(), SourceRange()); | |
} | |
// <type> ::= <pointer-to-member-type> | |
// <pointer-to-member-type> ::= <pointer-cvr-qualifiers> <cvr-qualifiers> | |
// <class name> <type> | |
void MicrosoftCXXNameMangler::mangleType(const MemberPointerType *T, | |
SourceRange Range) { | |
QualType PointeeType = T->getPointeeType(); | |
if (const FunctionProtoType *FPT = PointeeType->getAs<FunctionProtoType>()) { | |
Out << '8'; | |
mangleName(T->getClass()->castAs<RecordType>()->getDecl()); | |
mangleType(FPT, NULL, false, true); | |
} else { | |
mangleQualifiers(PointeeType.getQualifiers(), true); | |
mangleName(T->getClass()->castAs<RecordType>()->getDecl()); | |
mangleType(PointeeType.getLocalUnqualifiedType(), Range); | |
} | |
} | |
void MicrosoftCXXNameMangler::mangleType(const TemplateTypeParmType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this template type parameter type yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftCXXNameMangler::mangleType( | |
const SubstTemplateTypeParmPackType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this substituted parameter pack yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
// <type> ::= <pointer-type> | |
// <pointer-type> ::= <pointer-cvr-qualifiers> <cvr-qualifiers> <type> | |
void MicrosoftCXXNameMangler::mangleType(const PointerType *T, | |
SourceRange Range) { | |
QualType PointeeTy = T->getPointeeType(); | |
if (PointeeTy->isArrayType()) { | |
// Pointers to arrays are mangled like arrays. | |
mangleExtraDimensions(PointeeTy); | |
} else if (const FunctionType *FT = PointeeTy->getAs<FunctionType>()) { | |
// Function pointers are special. | |
Out << '6'; | |
mangleType(FT, NULL, false, false); | |
} else { | |
mangleQualifiers(PointeeTy.getQualifiers(), false); | |
mangleType(PointeeTy, Range, false); | |
} | |
} | |
void MicrosoftCXXNameMangler::mangleType(const ObjCObjectPointerType *T, | |
SourceRange Range) { | |
// Object pointers never have qualifiers. | |
Out << 'A'; | |
mangleType(T->getPointeeType(), Range); | |
} | |
// <type> ::= <reference-type> | |
// <reference-type> ::= A <cvr-qualifiers> <type> | |
void MicrosoftCXXNameMangler::mangleType(const LValueReferenceType *T, | |
SourceRange Range) { | |
Out << 'A'; | |
QualType PointeeTy = T->getPointeeType(); | |
if (!PointeeTy.hasQualifiers()) | |
// Lack of qualifiers is mangled as 'A'. | |
Out << 'A'; | |
mangleType(PointeeTy, Range); | |
} | |
// <type> ::= <r-value-reference-type> | |
// <r-value-reference-type> ::= $$Q <cvr-qualifiers> <type> | |
void MicrosoftCXXNameMangler::mangleType(const RValueReferenceType *T, | |
SourceRange Range) { | |
Out << "$$Q"; | |
QualType PointeeTy = T->getPointeeType(); | |
if (!PointeeTy.hasQualifiers()) | |
// Lack of qualifiers is mangled as 'A'. | |
Out << 'A'; | |
mangleType(PointeeTy, Range); | |
} | |
void MicrosoftCXXNameMangler::mangleType(const ComplexType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this complex number type yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftCXXNameMangler::mangleType(const VectorType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this vector type yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftCXXNameMangler::mangleType(const ExtVectorType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this extended vector type yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftCXXNameMangler::mangleType(const DependentSizedExtVectorType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this dependent-sized extended vector type yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftCXXNameMangler::mangleType(const ObjCInterfaceType *T, | |
SourceRange) { | |
// ObjC interfaces have structs underlying them. | |
Out << 'U'; | |
mangleName(T->getDecl()); | |
} | |
void MicrosoftCXXNameMangler::mangleType(const ObjCObjectType *T, | |
SourceRange Range) { | |
// We don't allow overloading by different protocol qualification, | |
// so mangling them isn't necessary. | |
mangleType(T->getBaseType(), Range); | |
} | |
void MicrosoftCXXNameMangler::mangleType(const BlockPointerType *T, | |
SourceRange Range) { | |
Out << "_E"; | |
QualType pointee = T->getPointeeType(); | |
mangleType(pointee->castAs<FunctionProtoType>(), NULL, false, false); | |
} | |
void MicrosoftCXXNameMangler::mangleType(const InjectedClassNameType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this injected class name type yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftCXXNameMangler::mangleType(const TemplateSpecializationType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this template specialization type yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftCXXNameMangler::mangleType(const DependentNameType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this dependent name type yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftCXXNameMangler::mangleType( | |
const DependentTemplateSpecializationType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this dependent template specialization type yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftCXXNameMangler::mangleType(const PackExpansionType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this pack expansion yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftCXXNameMangler::mangleType(const TypeOfType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this typeof(type) yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftCXXNameMangler::mangleType(const TypeOfExprType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this typeof(expression) yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftCXXNameMangler::mangleType(const DecltypeType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this decltype() yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftCXXNameMangler::mangleType(const UnaryTransformType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this unary transform type yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftCXXNameMangler::mangleType(const AutoType *T, SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this 'auto' type yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftCXXNameMangler::mangleType(const AtomicType *T, | |
SourceRange Range) { | |
DiagnosticsEngine &Diags = Context.getDiags(); | |
unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this C11 atomic type yet"); | |
Diags.Report(Range.getBegin(), DiagID) | |
<< Range; | |
} | |
void MicrosoftMangleContext::mangleName(const NamedDecl *D, | |
raw_ostream &Out) { | |
assert((isa<FunctionDecl>(D) || isa<VarDecl>(D)) && | |
"Invalid mangleName() call, argument is not a variable or function!"); | |
assert(!isa<CXXConstructorDecl>(D) && !isa<CXXDestructorDecl>(D) && | |
"Invalid mangleName() call on 'structor decl!"); | |
PrettyStackTraceDecl CrashInfo(D, SourceLocation(), | |
getASTContext().getSourceManager(), | |
"Mangling declaration"); | |
MicrosoftCXXNameMangler Mangler(*this, Out); | |
return Mangler.mangle(D); | |
} | |
void MicrosoftMangleContext::mangleThunk(const CXXMethodDecl *MD, | |
const ThunkInfo &Thunk, | |
raw_ostream &) { | |
unsigned DiagID = getDiags().getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle thunk for this method yet"); | |
getDiags().Report(MD->getLocation(), DiagID); | |
} | |
void MicrosoftMangleContext::mangleCXXDtorThunk(const CXXDestructorDecl *DD, | |
CXXDtorType Type, | |
const ThisAdjustment &, | |
raw_ostream &) { | |
unsigned DiagID = getDiags().getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle thunk for this destructor yet"); | |
getDiags().Report(DD->getLocation(), DiagID); | |
} | |
void MicrosoftMangleContext::mangleCXXVTable(const CXXRecordDecl *RD, | |
raw_ostream &Out) { | |
// <mangled-name> ::= ? <operator-name> <class-name> <storage-class> | |
// <cvr-qualifiers> [<name>] @ | |
// <operator-name> ::= _7 # vftable | |
// ::= _8 # vbtable | |
// NOTE: <cvr-qualifiers> here is always 'B' (const). <storage-class> | |
// is always '6' for vftables and '7' for vbtables. (The difference is | |
// beyond me.) | |
// TODO: vbtables. | |
MicrosoftCXXNameMangler Mangler(*this, Out); | |
Mangler.getStream() << "\01??_7"; | |
Mangler.mangleName(RD); | |
Mangler.getStream() << "6B"; | |
// TODO: If the class has more than one vtable, mangle in the class it came | |
// from. | |
Mangler.getStream() << '@'; | |
} | |
void MicrosoftMangleContext::mangleCXXVTT(const CXXRecordDecl *RD, | |
raw_ostream &) { | |
llvm_unreachable("The MS C++ ABI does not have virtual table tables!"); | |
} | |
void MicrosoftMangleContext::mangleCXXCtorVTable(const CXXRecordDecl *RD, | |
int64_t Offset, | |
const CXXRecordDecl *Type, | |
raw_ostream &) { | |
llvm_unreachable("The MS C++ ABI does not have constructor vtables!"); | |
} | |
void MicrosoftMangleContext::mangleCXXRTTI(QualType T, | |
raw_ostream &) { | |
// FIXME: Give a location... | |
unsigned DiagID = getDiags().getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle RTTI descriptors for type %0 yet"); | |
getDiags().Report(DiagID) | |
<< T.getBaseTypeIdentifier(); | |
} | |
void MicrosoftMangleContext::mangleCXXRTTIName(QualType T, | |
raw_ostream &) { | |
// FIXME: Give a location... | |
unsigned DiagID = getDiags().getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle the name of type %0 into RTTI descriptors yet"); | |
getDiags().Report(DiagID) | |
<< T.getBaseTypeIdentifier(); | |
} | |
void MicrosoftMangleContext::mangleCXXCtor(const CXXConstructorDecl *D, | |
CXXCtorType Type, | |
raw_ostream & Out) { | |
MicrosoftCXXNameMangler mangler(*this, Out); | |
mangler.mangle(D); | |
} | |
void MicrosoftMangleContext::mangleCXXDtor(const CXXDestructorDecl *D, | |
CXXDtorType Type, | |
raw_ostream & Out) { | |
MicrosoftCXXNameMangler mangler(*this, Out); | |
mangler.mangle(D); | |
} | |
void MicrosoftMangleContext::mangleReferenceTemporary(const clang::VarDecl *VD, | |
raw_ostream &) { | |
unsigned DiagID = getDiags().getCustomDiagID(DiagnosticsEngine::Error, | |
"cannot mangle this reference temporary yet"); | |
getDiags().Report(VD->getLocation(), DiagID); | |
} | |
MangleContext *clang::createMicrosoftMangleContext(ASTContext &Context, | |
DiagnosticsEngine &Diags) { | |
return new MicrosoftMangleContext(Context, Diags); | |
} |