Lionel Sambuc 0a6a1f1d05 NetBSD re-synchronization of the source tree
This brings our tree to NetBSD 7.0, as found on -current on the
10-10-2015.

This updates:
 - LLVM to 3.6.1
 - GCC to GCC 5.1
 - Replace minix/commands/zdump with usr.bin/zdump
 - external/bsd/libelf has moved to /external/bsd/elftoolchain/
 - Import ctwm
 - Drop sprintf from libminc

Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
2016-01-13 20:32:14 +01:00

52 lines
1.6 KiB
C++

//===----- CXXABI.h - Interface to C++ ABIs ---------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This provides an abstract class for C++ AST support. Concrete
// subclasses of this implement AST support for specific C++ ABIs.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_LIB_AST_CXXABI_H
#define LLVM_CLANG_LIB_AST_CXXABI_H
#include "clang/AST/Type.h"
namespace clang {
class ASTContext;
class MemberPointerType;
class MangleNumberingContext;
/// Implements C++ ABI-specific semantic analysis functions.
class CXXABI {
public:
virtual ~CXXABI();
/// Returns the width and alignment of a member pointer in bits.
virtual std::pair<uint64_t, unsigned>
getMemberPointerWidthAndAlign(const MemberPointerType *MPT) const = 0;
/// Returns the default calling convention for C++ methods.
virtual CallingConv getDefaultMethodCallConv(bool isVariadic) const = 0;
/// Returns whether the given class is nearly empty, with just virtual
/// pointers and no data except possibly virtual bases.
virtual bool isNearlyEmpty(const CXXRecordDecl *RD) const = 0;
/// Returns a new mangling number context for this C++ ABI.
virtual MangleNumberingContext *createMangleNumberingContext() const = 0;
};
/// Creates an instance of a C++ ABI class.
CXXABI *CreateItaniumCXXABI(ASTContext &Ctx);
CXXABI *CreateMicrosoftCXXABI(ASTContext &Ctx);
}
#endif