forked from OSchip/llvm-project
101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
//===--- LangStandard.h -----------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_FRONTEND_LANGSTANDARD_H
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#define LLVM_CLANG_FRONTEND_LANGSTANDARD_H
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#include "clang/Basic/LLVM.h"
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#include "llvm/ADT/StringRef.h"
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namespace clang {
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namespace frontend {
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enum LangFeatures {
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LineComment = (1 << 0),
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C89 = (1 << 1),
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C99 = (1 << 2),
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C11 = (1 << 3),
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CPlusPlus = (1 << 4),
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CPlusPlus11 = (1 << 5),
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CPlusPlus14 = (1 << 6),
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CPlusPlus1z = (1 << 7),
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Digraphs = (1 << 8),
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GNUMode = (1 << 9),
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HexFloat = (1 << 10),
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ImplicitInt = (1 << 11)
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};
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}
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/// LangStandard - Information about the properties of a particular language
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/// standard.
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struct LangStandard {
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enum Kind {
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#define LANGSTANDARD(id, name, desc, features) \
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lang_##id,
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#include "clang/Frontend/LangStandards.def"
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lang_unspecified
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};
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const char *ShortName;
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const char *Description;
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unsigned Flags;
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public:
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/// getName - Get the name of this standard.
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const char *getName() const { return ShortName; }
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/// getDescription - Get the description of this standard.
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const char *getDescription() const { return Description; }
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/// Language supports '//' comments.
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bool hasLineComments() const { return Flags & frontend::LineComment; }
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/// isC89 - Language is a superset of C89.
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bool isC89() const { return Flags & frontend::C89; }
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/// isC99 - Language is a superset of C99.
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bool isC99() const { return Flags & frontend::C99; }
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/// isC11 - Language is a superset of C11.
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bool isC11() const { return Flags & frontend::C11; }
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/// isCPlusPlus - Language is a C++ variant.
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bool isCPlusPlus() const { return Flags & frontend::CPlusPlus; }
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/// isCPlusPlus11 - Language is a C++11 variant (or later).
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bool isCPlusPlus11() const { return Flags & frontend::CPlusPlus11; }
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/// isCPlusPlus14 - Language is a C++14 variant (or later).
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bool isCPlusPlus14() const { return Flags & frontend::CPlusPlus14; }
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/// isCPlusPlus1z - Language is a C++17 variant (or later).
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bool isCPlusPlus1z() const { return Flags & frontend::CPlusPlus1z; }
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/// hasDigraphs - Language supports digraphs.
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bool hasDigraphs() const { return Flags & frontend::Digraphs; }
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/// isGNUMode - Language includes GNU extensions.
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bool isGNUMode() const { return Flags & frontend::GNUMode; }
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/// hasHexFloats - Language supports hexadecimal float constants.
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bool hasHexFloats() const { return Flags & frontend::HexFloat; }
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/// hasImplicitInt - Language allows variables to be typed as int implicitly.
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bool hasImplicitInt() const { return Flags & frontend::ImplicitInt; }
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static const LangStandard &getLangStandardForKind(Kind K);
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static const LangStandard *getLangStandardForName(StringRef Name);
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};
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} // end namespace clang
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#endif
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