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//===--- LangStandard.h -----------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_FRONTEND_LANGSTANDARD_H
#define LLVM_CLANG_FRONTEND_LANGSTANDARD_H
#include "clang/Basic/LLVM.h"
#include "clang/Frontend/FrontendOptions.h"
#include "llvm/ADT/StringRef.h"
namespace clang {
namespace frontend {
enum LangFeatures {
LineComment = (1 << 0),
C99 = (1 << 1),
C11 = (1 << 2),
C17 = (1 << 3),
CPlusPlus = (1 << 4),
CPlusPlus11 = (1 << 5),
CPlusPlus14 = (1 << 6),
CPlusPlus17 = (1 << 7),
CPlusPlus2a = (1 << 8),
Digraphs = (1 << 9),
GNUMode = (1 << 10),
HexFloat = (1 << 11),
ImplicitInt = (1 << 12),
OpenCL = (1 << 13)
};
}
/// LangStandard - Information about the properties of a particular language
/// standard.
struct LangStandard {
enum Kind {
#define LANGSTANDARD(id, name, lang, desc, features) \
lang_##id,
#include "clang/Frontend/LangStandards.def"
lang_unspecified
};
const char *ShortName;
const char *Description;
unsigned Flags;
InputKind::Language Language;
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; }
/// Get the language that this standard describes.
InputKind::Language getLanguage() const { return Language; }
/// Language supports '//' comments.
bool hasLineComments() const { return Flags & frontend::LineComment; }
/// isC99 - Language is a superset of C99.
bool isC99() const { return Flags & frontend::C99; }
/// isC11 - Language is a superset of C11.
bool isC11() const { return Flags & frontend::C11; }
/// isC17 - Language is a superset of C17.
bool isC17() const { return Flags & frontend::C17; }
/// isCPlusPlus - Language is a C++ variant.
bool isCPlusPlus() const { return Flags & frontend::CPlusPlus; }
/// isCPlusPlus11 - Language is a C++11 variant (or later).
bool isCPlusPlus11() const { return Flags & frontend::CPlusPlus11; }
/// isCPlusPlus14 - Language is a C++14 variant (or later).
bool isCPlusPlus14() const { return Flags & frontend::CPlusPlus14; }
/// isCPlusPlus17 - Language is a C++17 variant (or later).
bool isCPlusPlus17() const { return Flags & frontend::CPlusPlus17; }
/// isCPlusPlus2a - Language is a post-C++17 variant (or later).
bool isCPlusPlus2a() const { return Flags & frontend::CPlusPlus2a; }
/// 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; }
/// isOpenCL - Language is a OpenCL variant.
bool isOpenCL() const { return Flags & frontend::OpenCL; }
static const LangStandard &getLangStandardForKind(Kind K);
static const LangStandard *getLangStandardForName(StringRef Name);
};
} // end namespace clang
#endif
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