hanchenye-llvm-project/clang/lib/CodeGen/MicrosoftCXXABI.cpp

//===--- MicrosoftCXXABI.cpp - Emit LLVM Code from ASTs for a Module ------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This provides C++ code generation targetting the Microsoft Visual C++ ABI.
// The class in this file generates structures that follow the Microsoft
// Visual C++ ABI, which is actually not very well documented at all outside
// of Microsoft.
//
//===----------------------------------------------------------------------===//

#include "CGCXXABI.h"
#include "CodeGenModule.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"

using namespace clang;
using namespace CodeGen;

namespace {

class MicrosoftCXXABI : public CGCXXABI {
public:
  MicrosoftCXXABI(CodeGenModule &CGM) : CGCXXABI(CGM) {}

  void BuildConstructorSignature(const CXXConstructorDecl *Ctor,
                                 CXXCtorType Type,
                                 CanQualType &ResTy,
                                 llvm::SmallVectorImpl<CanQualType> &ArgTys) {
    // 'this' is already in place
    // TODO: 'for base' flag
  }  

  void BuildDestructorSignature(const CXXDestructorDecl *Ctor,
                                CXXDtorType Type,
                                CanQualType &ResTy,
                                llvm::SmallVectorImpl<CanQualType> &ArgTys) {
    // 'this' is already in place
    // TODO: 'for base' flag
  }

  void BuildInstanceFunctionParams(CodeGenFunction &CGF,
                                   QualType &ResTy,
                                   FunctionArgList &Params) {
    BuildThisParam(CGF, Params);
    // TODO: 'for base' flag
  }

  void EmitInstanceFunctionProlog(CodeGenFunction &CGF) {
    EmitThisParam(CGF);
    // TODO: 'for base' flag
  }
};

}

CGCXXABI *clang::CodeGen::CreateMicrosoftCXXABI(CodeGenModule &CGM) {
  return new MicrosoftCXXABI(CGM);
}