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//===--- LangStandard.h -----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_FRONTEND_LANGSTANDARD_H
#define LLVM_CLANG_FRONTEND_LANGSTANDARD_H
#include "clang/Basic/LLVM.h"
#include "llvm/ADT/StringRef.h"
namespace clang {
namespace frontend {
enum LangFeatures {
BCPLComment = (1 << 0),
C89 = (1 << 1),
C99 = (1 << 2),
C1X = (1 << 3),
CPlusPlus = (1 << 4),
CPlusPlus0x = (1 << 5),
Digraphs = (1 << 6),
GNUMode = (1 << 7),
HexFloat = (1 << 8),
ImplicitInt = (1 << 9)
};
}
/// LangStandard - Information about the properties of a particular language
/// standard.
struct LangStandard {
enum Kind {
#define LANGSTANDARD(id, name, desc, features) \
lang_##id,
#include "clang/Frontend/LangStandards.def"
lang_unspecified
};
const char *ShortName;
const char *Description;
unsigned Flags;
public:
/// getName - Get the name of this standard.
const char *getName() const { return ShortName; }
/// getDescription - Get the description of this standard.
const char *getDescription() const { return Description; }
/// hasBCPLComments - Language supports '//' comments.
bool hasBCPLComments() const { return Flags & frontend::BCPLComment; }
/// isC89 - Language is a superset of C89.
bool isC89() const { return Flags & frontend::C89; }
/// isC99 - Language is a superset of C99.
bool isC99() const { return Flags & frontend::C99; }
/// isC1X - Language is a superset of C1X.
bool isC1X() const { return Flags & frontend::C1X; }
/// isCPlusPlus - Language is a C++ variant.
bool isCPlusPlus() const { return Flags & frontend::CPlusPlus; }
/// isCPlusPlus0x - Language is a C++0x variant.
bool isCPlusPlus0x() const { return Flags & frontend::CPlusPlus0x; }
/// hasDigraphs - Language supports digraphs.
bool hasDigraphs() const { return Flags & frontend::Digraphs; }
/// isGNUMode - Language includes GNU extensions.
bool isGNUMode() const { return Flags & frontend::GNUMode; }
/// hasHexFloats - Language supports hexadecimal float constants.
bool hasHexFloats() const { return Flags & frontend::HexFloat; }
/// hasImplicitInt - Language allows variables to be typed as int implicitly.
bool hasImplicitInt() const { return Flags & frontend::ImplicitInt; }
static const LangStandard &getLangStandardForKind(Kind K);
static const LangStandard *getLangStandardForName(StringRef Name);
};
} // end namespace clang
#endif
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