clang-1/lib/CodeGen/CGCall.h

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C++

//===----- CGCall.h - Encapsulate calling convention details ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// These classes wrap the information about a call or function
// definition used to handle ABI compliancy.
//
//===----------------------------------------------------------------------===//
#ifndef CLANG_CODEGEN_CGCALL_H
#define CLANG_CODEGEN_CGCALL_H
#include "clang/AST/Type.h"
#include "CGValue.h"
namespace llvm {
class Function;
struct AttributeWithIndex;
class Value;
template<typename T, unsigned> class SmallVector;
}
namespace clang {
class ASTContext;
class Decl;
class FunctionDecl;
class ObjCMethodDecl;
class VarDecl;
namespace CodeGen {
typedef llvm::SmallVector<llvm::AttributeWithIndex, 8> AttributeListType;
/// CallArgList - Type for representing both the value and type of
/// arguments in a call.
typedef llvm::SmallVector<std::pair<RValue, QualType>, 16> CallArgList;
/// FunctionArgList - Type for representing both the decl and type
/// of parameters to a function. The decl must be either a
/// ParmVarDecl or ImplicitParamDecl.
typedef llvm::SmallVector<std::pair<const VarDecl*, QualType>,
16> FunctionArgList;
// FIXME: This should be a better iterator type so that we can avoid
// construction of the ArgTypes smallvectors.
typedef llvm::SmallVector<QualType, 16>::const_iterator ArgTypeIterator;
/// CGFunctionInfo - Class to encapsulate the information about a
/// function definition.
class CGFunctionInfo {
bool IsVariadic;
llvm::SmallVector<QualType, 16> ArgTypes;
public:
CGFunctionInfo(const FunctionTypeNoProto *FTNP);
CGFunctionInfo(const FunctionTypeProto *FTP);
CGFunctionInfo(const FunctionDecl *FD);
CGFunctionInfo(const ObjCMethodDecl *MD,
const ASTContext &Context);
bool isVariadic() const { return IsVariadic; }
ArgTypeIterator argtypes_begin() const;
ArgTypeIterator argtypes_end() const;
};
/// CGCallInfo - Class to encapsulate the arguments and clang types
/// used in a call.
class CGCallInfo {
llvm::SmallVector<QualType, 16> ArgTypes;
public:
CGCallInfo(QualType _ResultType, const CallArgList &Args);
ArgTypeIterator argtypes_begin() const;
ArgTypeIterator argtypes_end() const;
};
} // end namespace CodeGen
} // end namespace clang
#endif