forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			1186 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			1186 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			C++
		
	
	
	
//===--- MicrosoftMangle.cpp - Microsoft Visual C++ Name Mangling ---------===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This provides C++ name mangling targeting the Microsoft Visual C++ ABI.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/AST/Mangle.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/CharUnits.h"
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#include "clang/AST/Decl.h"
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#include "clang/AST/DeclCXX.h"
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#include "clang/AST/DeclObjC.h"
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#include "clang/AST/DeclTemplate.h"
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#include "clang/AST/ExprCXX.h"
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#include "clang/Basic/ABI.h"
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using namespace clang;
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namespace {
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/// MicrosoftCXXNameMangler - Manage the mangling of a single name for the
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/// Microsoft Visual C++ ABI.
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class MicrosoftCXXNameMangler {
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  MangleContext &Context;
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  llvm::raw_ostream &Out;
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  ASTContext &getASTContext() const { return Context.getASTContext(); }
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public:
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  MicrosoftCXXNameMangler(MangleContext &C, llvm::raw_ostream &Out_)
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  : Context(C), Out(Out_) { }
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  void mangle(const NamedDecl *D, llvm::StringRef Prefix = "?");
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  void mangleName(const NamedDecl *ND);
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  void mangleFunctionEncoding(const FunctionDecl *FD);
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  void mangleVariableEncoding(const VarDecl *VD);
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  void mangleNumber(int64_t Number);
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  void mangleType(QualType T);
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private:
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  void mangleUnqualifiedName(const NamedDecl *ND) {
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    mangleUnqualifiedName(ND, ND->getDeclName());
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  }
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  void mangleUnqualifiedName(const NamedDecl *ND, DeclarationName Name);
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  void mangleSourceName(const IdentifierInfo *II);
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  void manglePostfix(const DeclContext *DC, bool NoFunction=false);
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  void mangleOperatorName(OverloadedOperatorKind OO);
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  void mangleQualifiers(Qualifiers Quals, bool IsMember);
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  void mangleObjCMethodName(const ObjCMethodDecl *MD);
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  // Declare manglers for every type class.
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#define ABSTRACT_TYPE(CLASS, PARENT)
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#define NON_CANONICAL_TYPE(CLASS, PARENT)
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#define TYPE(CLASS, PARENT) void mangleType(const CLASS##Type *T);
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#include "clang/AST/TypeNodes.def"
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  void mangleType(const TagType*);
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  void mangleType(const FunctionType *T, const FunctionDecl *D,
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                  bool IsStructor, bool IsInstMethod);
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  void mangleType(const ArrayType *T, bool IsGlobal);
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  void mangleExtraDimensions(QualType T);
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  void mangleFunctionClass(const FunctionDecl *FD);
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  void mangleCallingConvention(const FunctionType *T, bool IsInstMethod = false);
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  void mangleThrowSpecification(const FunctionProtoType *T);
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};
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/// MicrosoftMangleContext - Overrides the default MangleContext for the
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/// Microsoft Visual C++ ABI.
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class MicrosoftMangleContext : public MangleContext {
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public:
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  MicrosoftMangleContext(ASTContext &Context,
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                         Diagnostic &Diags) : MangleContext(Context, Diags) { }
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  virtual bool shouldMangleDeclName(const NamedDecl *D);
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  virtual void mangleName(const NamedDecl *D, llvm::raw_ostream &Out);
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  virtual void mangleThunk(const CXXMethodDecl *MD,
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                           const ThunkInfo &Thunk,
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                           llvm::raw_ostream &);
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  virtual void mangleCXXDtorThunk(const CXXDestructorDecl *DD, CXXDtorType Type,
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                                  const ThisAdjustment &ThisAdjustment,
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                                  llvm::raw_ostream &);
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  virtual void mangleCXXVTable(const CXXRecordDecl *RD,
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                               llvm::raw_ostream &);
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  virtual void mangleCXXVTT(const CXXRecordDecl *RD,
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                            llvm::raw_ostream &);
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  virtual void mangleCXXCtorVTable(const CXXRecordDecl *RD, int64_t Offset,
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                                   const CXXRecordDecl *Type,
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                                   llvm::raw_ostream &);
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  virtual void mangleCXXRTTI(QualType T, llvm::raw_ostream &);
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  virtual void mangleCXXRTTIName(QualType T, llvm::raw_ostream &);
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  virtual void mangleCXXCtor(const CXXConstructorDecl *D, CXXCtorType Type,
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                             llvm::raw_ostream &);
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  virtual void mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type,
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                             llvm::raw_ostream &);
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  virtual void mangleReferenceTemporary(const clang::VarDecl *,
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                                        llvm::raw_ostream &);
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};
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}
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static bool isInCLinkageSpecification(const Decl *D) {
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  D = D->getCanonicalDecl();
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  for (const DeclContext *DC = D->getDeclContext();
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       !DC->isTranslationUnit(); DC = DC->getParent()) {
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    if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC))
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      return Linkage->getLanguage() == LinkageSpecDecl::lang_c;
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  }
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  return false;
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}
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bool MicrosoftMangleContext::shouldMangleDeclName(const NamedDecl *D) {
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  // In C, functions with no attributes never need to be mangled. Fastpath them.
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  if (!getASTContext().getLangOptions().CPlusPlus && !D->hasAttrs())
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    return false;
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  // Any decl can be declared with __asm("foo") on it, and this takes precedence
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  // over all other naming in the .o file.
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  if (D->hasAttr<AsmLabelAttr>())
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    return true;
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  // Clang's "overloadable" attribute extension to C/C++ implies name mangling
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  // (always) as does passing a C++ member function and a function
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  // whose name is not a simple identifier.
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  const FunctionDecl *FD = dyn_cast<FunctionDecl>(D);
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  if (FD && (FD->hasAttr<OverloadableAttr>() || isa<CXXMethodDecl>(FD) ||
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             !FD->getDeclName().isIdentifier()))
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    return true;
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  // Otherwise, no mangling is done outside C++ mode.
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  if (!getASTContext().getLangOptions().CPlusPlus)
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    return false;
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  // Variables at global scope with internal linkage are not mangled.
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  if (!FD) {
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    const DeclContext *DC = D->getDeclContext();
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    if (DC->isTranslationUnit() && D->getLinkage() == InternalLinkage)
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      return false;
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  }
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  // C functions and "main" are not mangled.
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  if ((FD && FD->isMain()) || isInCLinkageSpecification(D))
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    return false;
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  return true;
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}
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void MicrosoftCXXNameMangler::mangle(const NamedDecl *D,
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                                     llvm::StringRef Prefix) {
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  // MSVC doesn't mangle C++ names the same way it mangles extern "C" names.
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  // Therefore it's really important that we don't decorate the
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  // name with leading underscores or leading/trailing at signs. So, emit a
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  // asm marker at the start so we get the name right.
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  Out << '\01';  // LLVM IR Marker for __asm("foo")
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  // Any decl can be declared with __asm("foo") on it, and this takes precedence
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  // over all other naming in the .o file.
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  if (const AsmLabelAttr *ALA = D->getAttr<AsmLabelAttr>()) {
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    // If we have an asm name, then we use it as the mangling.
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    Out << ALA->getLabel();
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    return;
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  }
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  // <mangled-name> ::= ? <name> <type-encoding>
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  Out << Prefix;
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  mangleName(D);
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  if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
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    mangleFunctionEncoding(FD);
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  else if (const VarDecl *VD = dyn_cast<VarDecl>(D))
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    mangleVariableEncoding(VD);
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  // TODO: Fields? Can MSVC even mangle them?
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}
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void MicrosoftCXXNameMangler::mangleFunctionEncoding(const FunctionDecl *FD) {
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  // <type-encoding> ::= <function-class> <function-type>
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  // Don't mangle in the type if this isn't a decl we should typically mangle.
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  if (!Context.shouldMangleDeclName(FD))
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    return;
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  // We should never ever see a FunctionNoProtoType at this point.
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  // We don't even know how to mangle their types anyway :).
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  const FunctionProtoType *FT = cast<FunctionProtoType>(FD->getType());
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  bool InStructor = false, InInstMethod = false;
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  const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD);
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  if (MD) {
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    if (MD->isInstance())
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      InInstMethod = true;
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    if (isa<CXXConstructorDecl>(MD) || isa<CXXDestructorDecl>(MD))
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      InStructor = true;
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  }
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  // First, the function class.
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  mangleFunctionClass(FD);
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  mangleType(FT, FD, InStructor, InInstMethod);
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}
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void MicrosoftCXXNameMangler::mangleVariableEncoding(const VarDecl *VD) {
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  // <type-encoding> ::= <storage-class> <variable-type>
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  // <storage-class> ::= 0  # private static member
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  //                 ::= 1  # protected static member
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  //                 ::= 2  # public static member
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  //                 ::= 3  # global
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  //                 ::= 4  # static local
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  // The first character in the encoding (after the name) is the storage class.
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  if (VD->isStaticDataMember()) {
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    // If it's a static member, it also encodes the access level.
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    switch (VD->getAccess()) {
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      default:
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      case AS_private: Out << '0'; break;
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      case AS_protected: Out << '1'; break;
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      case AS_public: Out << '2'; break;
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    }
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  }
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  else if (!VD->isStaticLocal())
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    Out << '3';
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  else
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    Out << '4';
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  // Now mangle the type.
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  // <variable-type> ::= <type> <cvr-qualifiers>
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  //                 ::= <type> A # pointers, references, arrays
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  // Pointers and references are odd. The type of 'int * const foo;' gets
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  // mangled as 'QAHA' instead of 'PAHB', for example.
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  QualType Ty = VD->getType();
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  if (Ty->isPointerType() || Ty->isReferenceType()) {
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    mangleType(Ty);
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    Out << 'A';
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  } else if (Ty->isArrayType()) {
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    // Global arrays are funny, too.
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    mangleType(cast<ArrayType>(Ty.getTypePtr()), true);
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    Out << 'A';
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  } else {
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    mangleType(Ty.getLocalUnqualifiedType());
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    mangleQualifiers(Ty.getLocalQualifiers(), false);
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  }
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}
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void MicrosoftCXXNameMangler::mangleName(const NamedDecl *ND) {
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  // <name> ::= <unscoped-name> {[<named-scope>]+ | [<nested-name>]}? @
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  const DeclContext *DC = ND->getDeclContext();
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  // Always start with the unqualified name.
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  mangleUnqualifiedName(ND);    
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  // If this is an extern variable declared locally, the relevant DeclContext
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  // is that of the containing namespace, or the translation unit.
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  if (isa<FunctionDecl>(DC) && ND->hasLinkage())
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    while (!DC->isNamespace() && !DC->isTranslationUnit())
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      DC = DC->getParent();
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  manglePostfix(DC);
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  // Terminate the whole name with an '@'.
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  Out << '@';
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}
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void MicrosoftCXXNameMangler::mangleNumber(int64_t Number) {
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  // <number> ::= [?] <decimal digit> # <= 9
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  //          ::= [?] <hex digit>+ @ # > 9; A = 0, B = 1, etc...
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  if (Number < 0) {
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    Out << '?';
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    Number = -Number;
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  }
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  if (Number >= 1 && Number <= 10) {
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    Out << Number-1;
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  } else {
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    // We have to build up the encoding in reverse order, so it will come
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    // out right when we write it out.
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    char Encoding[16];
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    char *EndPtr = Encoding+sizeof(Encoding);
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    char *CurPtr = EndPtr;
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    while (Number) {
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      *--CurPtr = 'A' + (Number % 16);
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      Number /= 16;
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    }
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    Out.write(CurPtr, EndPtr-CurPtr);
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    Out << '@';
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  }
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}
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void
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MicrosoftCXXNameMangler::mangleUnqualifiedName(const NamedDecl *ND,
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                                               DeclarationName Name) {
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  //  <unqualified-name> ::= <operator-name>
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  //                     ::= <ctor-dtor-name>
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  //                     ::= <source-name>
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  switch (Name.getNameKind()) {
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    case DeclarationName::Identifier: {
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      if (const IdentifierInfo *II = Name.getAsIdentifierInfo()) {
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        mangleSourceName(II);
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        break;
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      }
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      // Otherwise, an anonymous entity.  We must have a declaration.
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      assert(ND && "mangling empty name without declaration");
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      if (const NamespaceDecl *NS = dyn_cast<NamespaceDecl>(ND)) {
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        if (NS->isAnonymousNamespace()) {
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          Out << "?A";
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          break;
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        }
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      }
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      // We must have an anonymous struct.
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      const TagDecl *TD = cast<TagDecl>(ND);
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      if (const TypedefNameDecl *D = TD->getTypedefNameForAnonDecl()) {
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        assert(TD->getDeclContext() == D->getDeclContext() &&
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               "Typedef should not be in another decl context!");
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        assert(D->getDeclName().getAsIdentifierInfo() &&
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               "Typedef was not named!");
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        mangleSourceName(D->getDeclName().getAsIdentifierInfo());
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        break;
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      }
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      // When VC encounters an anonymous type with no tag and no typedef,
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      // it literally emits '<unnamed-tag>'.
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      Out << "<unnamed-tag>";
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      break;
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    }
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    case DeclarationName::ObjCZeroArgSelector:
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    case DeclarationName::ObjCOneArgSelector:
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    case DeclarationName::ObjCMultiArgSelector:
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      assert(false && "Can't mangle Objective-C selector names here!");
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      break;
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    case DeclarationName::CXXConstructorName:
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      assert(false && "Can't mangle constructors yet!");
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      break;
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 | 
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    case DeclarationName::CXXDestructorName:
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      assert(false && "Can't mangle destructors yet!");
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      break;
 | 
						|
      
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    case DeclarationName::CXXConversionFunctionName:
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      // <operator-name> ::= ?B # (cast)
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      // The target type is encoded as the return type.
 | 
						|
      Out << "?B";
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      break;
 | 
						|
      
 | 
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    case DeclarationName::CXXOperatorName:
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      mangleOperatorName(Name.getCXXOverloadedOperator());
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      break;
 | 
						|
      
 | 
						|
    case DeclarationName::CXXLiteralOperatorName:
 | 
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      // FIXME: Was this added in VS2010? Does MS even know how to mangle this?
 | 
						|
      assert(false && "Don't know how to mangle literal operators yet!");
 | 
						|
      break;
 | 
						|
      
 | 
						|
    case DeclarationName::CXXUsingDirective:
 | 
						|
      assert(false && "Can't mangle a using directive name!");
 | 
						|
      break;
 | 
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  }
 | 
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}
 | 
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 | 
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void MicrosoftCXXNameMangler::manglePostfix(const DeclContext *DC,
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                                            bool NoFunction) {
 | 
						|
  // <postfix> ::= <unqualified-name> [<postfix>]
 | 
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  //           ::= <template-postfix> <template-args> [<postfix>]
 | 
						|
  //           ::= <template-param>
 | 
						|
  //           ::= <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 << '@';
 | 
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    return manglePostfix(DC->getParent(), NoFunction);
 | 
						|
  }
 | 
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 | 
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  if (NoFunction && (isa<FunctionDecl>(DC) || isa<ObjCMethodDecl>(DC)))
 | 
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    return;
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  else if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(DC))
 | 
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    mangleObjCMethodName(Method);
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  else {
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    mangleUnqualifiedName(cast<NamedDecl>(DC));
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    manglePostfix(DC->getParent(), NoFunction);
 | 
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  }
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleOperatorName(OverloadedOperatorKind OO) {
 | 
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  switch (OO) {
 | 
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  //                     ?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 # =
 | 
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  case OO_Equal: Out << "?4"; break;
 | 
						|
  // <operator-name> ::= ?5 # >>
 | 
						|
  case OO_GreaterGreater: Out << "?5"; break;
 | 
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  // <operator-name> ::= ?6 # <<
 | 
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  case OO_LessLess: Out << "?6"; break;
 | 
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  // <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:
 | 
						|
    assert(false && "Don't know how to mangle ?:");
 | 
						|
    break;
 | 
						|
    
 | 
						|
  case OO_None:
 | 
						|
  case NUM_OVERLOADED_OPERATORS:
 | 
						|
    assert(false && "Not an overloaded operator");
 | 
						|
    break;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleSourceName(const IdentifierInfo *II) {
 | 
						|
  // <source name> ::= <identifier> @
 | 
						|
  Out << II->getName() << '@';
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleObjCMethodName(const ObjCMethodDecl *MD) {
 | 
						|
  Context.mangleObjCMethodName(MD, 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
 | 
						|
  if (!IsMember) {
 | 
						|
    if (!Quals.hasVolatile()) {
 | 
						|
      if (!Quals.hasConst())
 | 
						|
        Out << 'A';
 | 
						|
      else
 | 
						|
        Out << 'B';
 | 
						|
    } else {
 | 
						|
      if (!Quals.hasConst())
 | 
						|
        Out << 'C';
 | 
						|
      else
 | 
						|
        Out << 'D';
 | 
						|
    }
 | 
						|
  } else {
 | 
						|
    if (!Quals.hasVolatile()) {
 | 
						|
      if (!Quals.hasConst())
 | 
						|
        Out << 'Q';
 | 
						|
      else
 | 
						|
        Out << 'R';
 | 
						|
    } else {
 | 
						|
      if (!Quals.hasConst())
 | 
						|
        Out << 'S';
 | 
						|
      else
 | 
						|
        Out << 'T';
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  // FIXME: For now, just drop all extension qualifiers on the floor.
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(QualType T) {
 | 
						|
  // Only operate on the canonical type!
 | 
						|
  T = getASTContext().getCanonicalType(T);
 | 
						|
  
 | 
						|
  Qualifiers Quals = T.getLocalQualifiers();
 | 
						|
  if (Quals) {
 | 
						|
    // We have to mangle these now, while we still have enough information.
 | 
						|
    // <pointer-cvr-qualifiers> ::= P  # pointer
 | 
						|
    //                          ::= Q  # const pointer
 | 
						|
    //                          ::= R  # volatile pointer
 | 
						|
    //                          ::= S  # const volatile pointer
 | 
						|
    if (T->isAnyPointerType() || T->isMemberPointerType() ||
 | 
						|
        T->isBlockPointerType()) {
 | 
						|
      if (!Quals.hasVolatile())
 | 
						|
        Out << 'Q';
 | 
						|
      else {
 | 
						|
        if (!Quals.hasConst())
 | 
						|
          Out << 'R';
 | 
						|
        else
 | 
						|
          Out << 'S';
 | 
						|
      }
 | 
						|
    } else
 | 
						|
      // Just emit qualifiers like normal.
 | 
						|
      // NB: When we mangle a pointer/reference type, and the pointee
 | 
						|
      // type has no qualifiers, the lack of qualifier gets mangled
 | 
						|
      // in there.
 | 
						|
      mangleQualifiers(Quals, false);
 | 
						|
  } else if (T->isAnyPointerType() || T->isMemberPointerType() ||
 | 
						|
             T->isBlockPointerType()) {
 | 
						|
    Out << 'P';
 | 
						|
  }
 | 
						|
  switch (T->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(static_cast<const CLASS##Type*>(T.getTypePtr())); \
 | 
						|
break;
 | 
						|
#include "clang/AST/TypeNodes.def"
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const BuiltinType *T) {
 | 
						|
  //  <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;
 | 
						|
 | 
						|
  case BuiltinType::Overload:
 | 
						|
  case BuiltinType::Dependent:
 | 
						|
  case BuiltinType::UnknownAny:
 | 
						|
  case BuiltinType::BoundMember:
 | 
						|
    assert(false &&
 | 
						|
           "Overloaded and dependent types shouldn't get to name mangling");
 | 
						|
    break;
 | 
						|
  case BuiltinType::ObjCId: Out << "PAUobjc_object@@"; break;
 | 
						|
  case BuiltinType::ObjCClass: Out << "PAUobjc_class@@"; break;
 | 
						|
  case BuiltinType::ObjCSel: Out << "PAUobjc_selector@@"; break;
 | 
						|
 | 
						|
  case BuiltinType::Char16:
 | 
						|
  case BuiltinType::Char32:
 | 
						|
  case BuiltinType::NullPtr:
 | 
						|
    assert(false && "Don't know how to mangle this type");
 | 
						|
    break;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
// <type>          ::= <function-type>
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const FunctionProtoType *T) {
 | 
						|
  // Structors only appear in decls, so at this point we know it's not a
 | 
						|
  // structor type.
 | 
						|
  // I'll probably have mangleType(MemberPointerType) call the mangleType()
 | 
						|
  // method directly.
 | 
						|
  mangleType(T, NULL, false, false);
 | 
						|
}
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const FunctionNoProtoType *T) {
 | 
						|
  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
 | 
						|
    mangleType(Proto->getResultType());
 | 
						|
 | 
						|
  // <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 "types-as-written" to make sure arrays
 | 
						|
      // get mangled right.
 | 
						|
      for (FunctionDecl::param_const_iterator Parm = D->param_begin(),
 | 
						|
           ParmEnd = D->param_end();
 | 
						|
           Parm != ParmEnd; ++Parm)
 | 
						|
        mangleType((*Parm)->getTypeSourceInfo()->getType());
 | 
						|
    } else {
 | 
						|
      for (FunctionProtoType::arg_type_iterator Arg = Proto->arg_type_begin(),
 | 
						|
           ArgEnd = Proto->arg_type_end();
 | 
						|
           Arg != ArgEnd; ++Arg)
 | 
						|
        mangleType(*Arg);
 | 
						|
    }
 | 
						|
    // <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)
 | 
						|
    CC = IsInstMethod ? getASTContext().getDefaultMethodCallConv() : CC_C;
 | 
						|
  switch (CC) {
 | 
						|
    default:
 | 
						|
      assert(0 && "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) {
 | 
						|
  assert(false && "Don't know how to mangle UnresolvedUsingTypes yet!");
 | 
						|
}
 | 
						|
 | 
						|
// <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) {
 | 
						|
  mangleType(static_cast<const TagType*>(T));
 | 
						|
}
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const RecordType *T) {
 | 
						|
  mangleType(static_cast<const TagType*>(T));
 | 
						|
}
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const TagType *T) {
 | 
						|
  switch (T->getDecl()->getTagKind()) {
 | 
						|
    case TTK_Union:
 | 
						|
      Out << 'T';
 | 
						|
      break;
 | 
						|
    case TTK_Struct:
 | 
						|
      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> ::= P <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)
 | 
						|
    Out << 'P';
 | 
						|
  else
 | 
						|
    Out << 'Q';
 | 
						|
  mangleExtraDimensions(T->getElementType());
 | 
						|
}
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const ConstantArrayType *T) {
 | 
						|
  mangleType(static_cast<const ArrayType *>(T), false);
 | 
						|
}
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const VariableArrayType *T) {
 | 
						|
  mangleType(static_cast<const ArrayType *>(T), false);
 | 
						|
}
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const DependentSizedArrayType *T) {
 | 
						|
  mangleType(static_cast<const ArrayType *>(T), false);
 | 
						|
}
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const IncompleteArrayType *T) {
 | 
						|
  mangleType(static_cast<const ArrayType *>(T), false);
 | 
						|
}
 | 
						|
void MicrosoftCXXNameMangler::mangleExtraDimensions(QualType ElementTy) {
 | 
						|
  llvm::SmallVector<llvm::APInt, 3> Dimensions;
 | 
						|
  for (;;) {
 | 
						|
    if (ElementTy->isConstantArrayType()) {
 | 
						|
      const ConstantArrayType *CAT =
 | 
						|
      static_cast<const ConstantArrayType *>(ElementTy.getTypePtr());
 | 
						|
      Dimensions.push_back(CAT->getSize());
 | 
						|
      ElementTy = CAT->getElementType();
 | 
						|
    } else if (ElementTy->isVariableArrayType()) {
 | 
						|
      assert(false && "Don't know how to mangle VLAs!");
 | 
						|
    } else if (ElementTy->isDependentSizedArrayType()) {
 | 
						|
      // The dependent expression has to be folded into a constant (TODO).
 | 
						|
      assert(false && "Don't know how to mangle dependent-sized arrays!");
 | 
						|
    } 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());
 | 
						|
}
 | 
						|
 | 
						|
// <type>                   ::= <pointer-to-member-type>
 | 
						|
// <pointer-to-member-type> ::= <pointer-cvr-qualifiers> <cvr-qualifiers>
 | 
						|
//                                                          <class name> <type>
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const MemberPointerType *T) {
 | 
						|
  QualType PointeeType = T->getPointeeType();
 | 
						|
  if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(PointeeType)) {
 | 
						|
    Out << '8';
 | 
						|
    mangleName(cast<RecordType>(T->getClass())->getDecl());
 | 
						|
    mangleType(FPT, NULL, false, true);
 | 
						|
  } else {
 | 
						|
    mangleQualifiers(PointeeType.getQualifiers(), true);
 | 
						|
    mangleName(cast<RecordType>(T->getClass())->getDecl());
 | 
						|
    mangleType(PointeeType.getLocalUnqualifiedType());
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const TemplateTypeParmType *T) {
 | 
						|
  assert(false && "Don't know how to mangle TemplateTypeParmTypes yet!");
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(
 | 
						|
                                       const SubstTemplateTypeParmPackType *T) {
 | 
						|
  assert(false && 
 | 
						|
         "Don't know how to mangle SubstTemplateTypeParmPackTypes yet!");
 | 
						|
}
 | 
						|
 | 
						|
// <type> ::= <pointer-type>
 | 
						|
// <pointer-type> ::= <pointer-cvr-qualifiers> <cvr-qualifiers> <type>
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const PointerType *T) {
 | 
						|
  QualType PointeeTy = T->getPointeeType();
 | 
						|
  if (PointeeTy->isArrayType()) {
 | 
						|
    // Pointers to arrays are mangled like arrays.
 | 
						|
    mangleExtraDimensions(T->getPointeeType());
 | 
						|
  } else if (PointeeTy->isFunctionType()) {
 | 
						|
    // Function pointers are special.
 | 
						|
    Out << '6';
 | 
						|
    mangleType(static_cast<const FunctionType *>(PointeeTy.getTypePtr()),
 | 
						|
               NULL, false, false);
 | 
						|
  } else {
 | 
						|
    if (!PointeeTy.hasQualifiers())
 | 
						|
      // Lack of qualifiers is mangled as 'A'.
 | 
						|
      Out << 'A';
 | 
						|
    mangleType(PointeeTy);
 | 
						|
  }
 | 
						|
}
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const ObjCObjectPointerType *T) {
 | 
						|
  // Object pointers never have qualifiers.
 | 
						|
  Out << 'A';
 | 
						|
  mangleType(T->getPointeeType());
 | 
						|
}
 | 
						|
 | 
						|
// <type> ::= <reference-type>
 | 
						|
// <reference-type> ::= A <cvr-qualifiers> <type>
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const LValueReferenceType *T) {
 | 
						|
  Out << 'A';
 | 
						|
  QualType PointeeTy = T->getPointeeType();
 | 
						|
  if (!PointeeTy.hasQualifiers())
 | 
						|
    // Lack of qualifiers is mangled as 'A'.
 | 
						|
    Out << 'A';
 | 
						|
  mangleType(PointeeTy);
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const RValueReferenceType *T) {
 | 
						|
  assert(false && "Don't know how to mangle RValueReferenceTypes yet!");
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const ComplexType *T) {
 | 
						|
  assert(false && "Don't know how to mangle ComplexTypes yet!");
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const VectorType *T) {
 | 
						|
  assert(false && "Don't know how to mangle VectorTypes yet!");
 | 
						|
}
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const ExtVectorType *T) {
 | 
						|
  assert(false && "Don't know how to mangle ExtVectorTypes yet!");
 | 
						|
}
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const DependentSizedExtVectorType *T) {
 | 
						|
  assert(false && "Don't know how to mangle DependentSizedExtVectorTypes yet!");
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const ObjCInterfaceType *T) {
 | 
						|
  // ObjC interfaces have structs underlying them.
 | 
						|
  Out << 'U';
 | 
						|
  mangleName(T->getDecl());
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const ObjCObjectType *T) {
 | 
						|
  // We don't allow overloading by different protocol qualification,
 | 
						|
  // so mangling them isn't necessary.
 | 
						|
  mangleType(T->getBaseType());
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const BlockPointerType *T) {
 | 
						|
  Out << "_E";
 | 
						|
  mangleType(T->getPointeeType());
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const InjectedClassNameType *T) {
 | 
						|
  assert(false && "Don't know how to mangle InjectedClassNameTypes yet!");
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const TemplateSpecializationType *T) {
 | 
						|
  assert(false && "Don't know how to mangle TemplateSpecializationTypes yet!");
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const DependentNameType *T) {
 | 
						|
  assert(false && "Don't know how to mangle DependentNameTypes yet!");
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(
 | 
						|
                                 const DependentTemplateSpecializationType *T) {
 | 
						|
  assert(false &&
 | 
						|
         "Don't know how to mangle DependentTemplateSpecializationTypes yet!");
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const PackExpansionType *T) {
 | 
						|
  assert(false && "Don't know how to mangle PackExpansionTypes yet!");
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const TypeOfType *T) {
 | 
						|
  assert(false && "Don't know how to mangle TypeOfTypes yet!");
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const TypeOfExprType *T) {
 | 
						|
  assert(false && "Don't know how to mangle TypeOfExprTypes yet!");
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const DecltypeType *T) {
 | 
						|
  assert(false && "Don't know how to mangle DecltypeTypes yet!");
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftCXXNameMangler::mangleType(const AutoType *T) {
 | 
						|
  assert(false && "Don't know how to mangle AutoTypes yet!");
 | 
						|
}
 | 
						|
 | 
						|
void MicrosoftMangleContext::mangleName(const NamedDecl *D,
 | 
						|
                                        llvm::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,
 | 
						|
                                         llvm::raw_ostream &) {
 | 
						|
  assert(false && "Can't yet mangle thunks!");
 | 
						|
}
 | 
						|
void MicrosoftMangleContext::mangleCXXDtorThunk(const CXXDestructorDecl *DD,
 | 
						|
                                                CXXDtorType Type,
 | 
						|
                                                const ThisAdjustment &,
 | 
						|
                                                llvm::raw_ostream &) {
 | 
						|
  assert(false && "Can't yet mangle destructor thunks!");
 | 
						|
}
 | 
						|
void MicrosoftMangleContext::mangleCXXVTable(const CXXRecordDecl *RD,
 | 
						|
                                             llvm::raw_ostream &) {
 | 
						|
  assert(false && "Can't yet mangle virtual tables!");
 | 
						|
}
 | 
						|
void MicrosoftMangleContext::mangleCXXVTT(const CXXRecordDecl *RD,
 | 
						|
                                          llvm::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,
 | 
						|
                                                 llvm::raw_ostream &) {
 | 
						|
  llvm_unreachable("The MS C++ ABI does not have constructor vtables!");
 | 
						|
}
 | 
						|
void MicrosoftMangleContext::mangleCXXRTTI(QualType T,
 | 
						|
                                           llvm::raw_ostream &) {
 | 
						|
  assert(false && "Can't yet mangle RTTI!");
 | 
						|
}
 | 
						|
void MicrosoftMangleContext::mangleCXXRTTIName(QualType T,
 | 
						|
                                               llvm::raw_ostream &) {
 | 
						|
  assert(false && "Can't yet mangle RTTI names!");
 | 
						|
}
 | 
						|
void MicrosoftMangleContext::mangleCXXCtor(const CXXConstructorDecl *D,
 | 
						|
                                           CXXCtorType Type,
 | 
						|
                                           llvm::raw_ostream &) {
 | 
						|
  assert(false && "Can't yet mangle constructors!");
 | 
						|
}
 | 
						|
void MicrosoftMangleContext::mangleCXXDtor(const CXXDestructorDecl *D,
 | 
						|
                                           CXXDtorType Type,
 | 
						|
                                           llvm::raw_ostream &) {
 | 
						|
  assert(false && "Can't yet mangle destructors!");
 | 
						|
}
 | 
						|
void MicrosoftMangleContext::mangleReferenceTemporary(const clang::VarDecl *,
 | 
						|
                                                      llvm::raw_ostream &) {
 | 
						|
  assert(false && "Can't yet mangle reference temporaries!");
 | 
						|
}
 | 
						|
 | 
						|
MangleContext *clang::createMicrosoftMangleContext(ASTContext &Context,
 | 
						|
                                                   Diagnostic &Diags) {
 | 
						|
  return new MicrosoftMangleContext(Context, Diags);
 | 
						|
}
 |