1 //===--- LangStandard.h -----------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_CLANG_FRONTEND_LANGSTANDARD_H 11 #define LLVM_CLANG_FRONTEND_LANGSTANDARD_H 12 13 #include "llvm/ADT/StringRef.h" 14 15 namespace clang { 16 17 namespace frontend { 18 19 enum LangFeatures { 20 BCPLComment = (1 << 0), 21 C89 = (1 << 1), 22 C99 = (1 << 2), 23 C1X = (1 << 3), 24 CPlusPlus = (1 << 4), 25 CPlusPlus0x = (1 << 5), 26 Digraphs = (1 << 6), 27 GNUMode = (1 << 7), 28 HexFloat = (1 << 8), 29 ImplicitInt = (1 << 9) 30 }; 31 32 } 33 34 /// LangStandard - Information about the properties of a particular language 35 /// standard. 36 struct LangStandard { 37 enum Kind { 38 #define LANGSTANDARD(id, name, desc, features) \ 39 lang_##id, 40 #include "clang/Frontend/LangStandards.def" 41 lang_unspecified 42 }; 43 44 const char *ShortName; 45 const char *Description; 46 unsigned Flags; 47 48 public: 49 /// getName - Get the name of this standard. getNameLangStandard50 const char *getName() const { return ShortName; } 51 52 /// getDescription - Get the description of this standard. getDescriptionLangStandard53 const char *getDescription() const { return Description; } 54 55 /// hasBCPLComments - Language supports '//' comments. hasBCPLCommentsLangStandard56 bool hasBCPLComments() const { return Flags & frontend::BCPLComment; } 57 58 /// isC89 - Language is a superset of C89. isC89LangStandard59 bool isC89() const { return Flags & frontend::C89; } 60 61 /// isC99 - Language is a superset of C99. isC99LangStandard62 bool isC99() const { return Flags & frontend::C99; } 63 64 /// isC1X - Language is a superset of C1X. isC1XLangStandard65 bool isC1X() const { return Flags & frontend::C1X; } 66 67 /// isCPlusPlus - Language is a C++ variant. isCPlusPlusLangStandard68 bool isCPlusPlus() const { return Flags & frontend::CPlusPlus; } 69 70 /// isCPlusPlus0x - Language is a C++0x variant. isCPlusPlus0xLangStandard71 bool isCPlusPlus0x() const { return Flags & frontend::CPlusPlus0x; } 72 73 /// hasDigraphs - Language supports digraphs. hasDigraphsLangStandard74 bool hasDigraphs() const { return Flags & frontend::Digraphs; } 75 76 /// isGNUMode - Language includes GNU extensions. isGNUModeLangStandard77 bool isGNUMode() const { return Flags & frontend::GNUMode; } 78 79 /// hasHexFloats - Language supports hexadecimal float constants. hasHexFloatsLangStandard80 bool hasHexFloats() const { return Flags & frontend::HexFloat; } 81 82 /// hasImplicitInt - Language allows variables to be typed as int implicitly. hasImplicitIntLangStandard83 bool hasImplicitInt() const { return Flags & frontend::ImplicitInt; } 84 85 static const LangStandard &getLangStandardForKind(Kind K); 86 static const LangStandard *getLangStandardForName(llvm::StringRef Name); 87 }; 88 89 } // end namespace clang 90 91 #endif 92