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 "clang/Basic/LLVM.h" 14 #include "clang/Frontend/FrontendOptions.h" 15 #include "llvm/ADT/StringRef.h" 16 17 namespace clang { 18 19 namespace frontend { 20 21 enum LangFeatures { 22 LineComment = (1 << 0), 23 C99 = (1 << 1), 24 C11 = (1 << 2), 25 CPlusPlus = (1 << 3), 26 CPlusPlus11 = (1 << 4), 27 CPlusPlus14 = (1 << 5), 28 CPlusPlus1z = (1 << 6), 29 CPlusPlus2a = (1 << 7), 30 Digraphs = (1 << 8), 31 GNUMode = (1 << 9), 32 HexFloat = (1 << 10), 33 ImplicitInt = (1 << 11), 34 OpenCL = (1 << 12) 35 }; 36 37 } 38 39 /// LangStandard - Information about the properties of a particular language 40 /// standard. 41 struct LangStandard { 42 enum Kind { 43 #define LANGSTANDARD(id, name, lang, desc, features) \ 44 lang_##id, 45 #include "clang/Frontend/LangStandards.def" 46 lang_unspecified 47 }; 48 49 const char *ShortName; 50 const char *Description; 51 unsigned Flags; 52 InputKind::Language Language; 53 54 public: 55 /// getName - Get the name of this standard. 56 const char *getName() const { return ShortName; } 57 58 /// getDescription - Get the description of this standard. 59 const char *getDescription() const { return Description; } 60 61 /// Get the language that this standard describes. 62 InputKind::Language getLanguage() const { return Language; } 63 64 /// Language supports '//' comments. 65 bool hasLineComments() const { return Flags & frontend::LineComment; } 66 67 /// isC99 - Language is a superset of C99. 68 bool isC99() const { return Flags & frontend::C99; } 69 70 /// isC11 - Language is a superset of C11. 71 bool isC11() const { return Flags & frontend::C11; } 72 73 /// isCPlusPlus - Language is a C++ variant. 74 bool isCPlusPlus() const { return Flags & frontend::CPlusPlus; } 75 76 /// isCPlusPlus11 - Language is a C++11 variant (or later). 77 bool isCPlusPlus11() const { return Flags & frontend::CPlusPlus11; } 78 79 /// isCPlusPlus14 - Language is a C++14 variant (or later). 80 bool isCPlusPlus14() const { return Flags & frontend::CPlusPlus14; } 81 82 /// isCPlusPlus1z - Language is a C++17 variant (or later). 83 bool isCPlusPlus1z() const { return Flags & frontend::CPlusPlus1z; } 84 85 /// isCPlusPlus2a - Language is a post-C++17 variant (or later). 86 bool isCPlusPlus2a() const { return Flags & frontend::CPlusPlus2a; } 87 88 89 /// hasDigraphs - Language supports digraphs. 90 bool hasDigraphs() const { return Flags & frontend::Digraphs; } 91 92 /// isGNUMode - Language includes GNU extensions. 93 bool isGNUMode() const { return Flags & frontend::GNUMode; } 94 95 /// hasHexFloats - Language supports hexadecimal float constants. 96 bool hasHexFloats() const { return Flags & frontend::HexFloat; } 97 98 /// hasImplicitInt - Language allows variables to be typed as int implicitly. 99 bool hasImplicitInt() const { return Flags & frontend::ImplicitInt; } 100 101 /// isOpenCL - Language is a OpenCL variant. 102 bool isOpenCL() const { return Flags & frontend::OpenCL; } 103 104 static const LangStandard &getLangStandardForKind(Kind K); 105 static const LangStandard *getLangStandardForName(StringRef Name); 106 }; 107 108 } // end namespace clang 109 110 #endif 111
