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 "llvm/ADT/StringRef.h" 15 16 namespace clang { 17 18 namespace frontend { 19 20 enum LangFeatures { 21 LineComment = (1 << 0), 22 C89 = (1 << 1), 23 C99 = (1 << 2), 24 C11 = (1 << 3), 25 CPlusPlus = (1 << 4), 26 CPlusPlus11 = (1 << 5), 27 CPlusPlus1y = (1 << 6), 28 Digraphs = (1 << 7), 29 GNUMode = (1 << 8), 30 HexFloat = (1 << 9), 31 ImplicitInt = (1 << 10) 32 }; 33 34 } 35 36 /// LangStandard - Information about the properties of a particular language 37 /// standard. 38 struct LangStandard { 39 enum Kind { 40 #define LANGSTANDARD(id, name, desc, features) \ 41 lang_##id, 42 #include "clang/Frontend/LangStandards.def" 43 lang_unspecified 44 }; 45 46 const char *ShortName; 47 const char *Description; 48 unsigned Flags; 49 50 public: 51 /// getName - Get the name of this standard. 52 const char *getName() const { return ShortName; } 53 54 /// getDescription - Get the description of this standard. 55 const char *getDescription() const { return Description; } 56 57 /// Language supports '//' comments. 58 bool hasLineComments() const { return Flags & frontend::LineComment; } 59 60 /// isC89 - Language is a superset of C89. 61 bool isC89() const { return Flags & frontend::C89; } 62 63 /// isC99 - Language is a superset of C99. 64 bool isC99() const { return Flags & frontend::C99; } 65 66 /// isC11 - Language is a superset of C11. 67 bool isC11() const { return Flags & frontend::C11; } 68 69 /// isCPlusPlus - Language is a C++ variant. 70 bool isCPlusPlus() const { return Flags & frontend::CPlusPlus; } 71 72 /// isCPlusPlus11 - Language is a C++0x variant. 73 bool isCPlusPlus11() const { return Flags & frontend::CPlusPlus11; } 74 75 /// isCPlusPlus1y - Language is a C++1y variant. 76 bool isCPlusPlus1y() const { return Flags & frontend::CPlusPlus1y; } 77 78 /// hasDigraphs - Language supports digraphs. 79 bool hasDigraphs() const { return Flags & frontend::Digraphs; } 80 81 /// isGNUMode - Language includes GNU extensions. 82 bool isGNUMode() const { return Flags & frontend::GNUMode; } 83 84 /// hasHexFloats - Language supports hexadecimal float constants. 85 bool hasHexFloats() const { return Flags & frontend::HexFloat; } 86 87 /// hasImplicitInt - Language allows variables to be typed as int implicitly. 88 bool hasImplicitInt() const { return Flags & frontend::ImplicitInt; } 89 90 static const LangStandard &getLangStandardForKind(Kind K); 91 static const LangStandard *getLangStandardForName(StringRef Name); 92 }; 93 94 } // end namespace clang 95 96 #endif 97
