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 BCPLComment = (1 << 0), 22 C89 = (1 << 1), 23 C99 = (1 << 2), 24 C11 = (1 << 3), 25 CPlusPlus = (1 << 4), 26 CPlusPlus0x = (1 << 5), 27 Digraphs = (1 << 6), 28 GNUMode = (1 << 7), 29 HexFloat = (1 << 8), 30 ImplicitInt = (1 << 9) 31 }; 32 33 } 34 35 /// LangStandard - Information about the properties of a particular language 36 /// standard. 37 struct LangStandard { 38 enum Kind { 39 #define LANGSTANDARD(id, name, desc, features) \ 40 lang_##id, 41 #include "clang/Frontend/LangStandards.def" 42 lang_unspecified 43 }; 44 45 const char *ShortName; 46 const char *Description; 47 unsigned Flags; 48 49 public: 50 /// getName - Get the name of this standard. 51 const char *getName() const { return ShortName; } 52 53 /// getDescription - Get the description of this standard. 54 const char *getDescription() const { return Description; } 55 56 /// hasBCPLComments - Language supports '//' comments. 57 bool hasBCPLComments() const { return Flags & frontend::BCPLComment; } 58 59 /// isC89 - Language is a superset of C89. 60 bool isC89() const { return Flags & frontend::C89; } 61 62 /// isC99 - Language is a superset of C99. 63 bool isC99() const { return Flags & frontend::C99; } 64 65 /// isC11 - Language is a superset of C11. 66 bool isC11() const { return Flags & frontend::C11; } 67 68 /// isCPlusPlus - Language is a C++ variant. 69 bool isCPlusPlus() const { return Flags & frontend::CPlusPlus; } 70 71 /// isCPlusPlus0x - Language is a C++0x variant. 72 bool isCPlusPlus0x() const { return Flags & frontend::CPlusPlus0x; } 73 74 /// hasDigraphs - Language supports digraphs. 75 bool hasDigraphs() const { return Flags & frontend::Digraphs; } 76 77 /// isGNUMode - Language includes GNU extensions. 78 bool isGNUMode() const { return Flags & frontend::GNUMode; } 79 80 /// hasHexFloats - Language supports hexadecimal float constants. 81 bool hasHexFloats() const { return Flags & frontend::HexFloat; } 82 83 /// hasImplicitInt - Language allows variables to be typed as int implicitly. 84 bool hasImplicitInt() const { return Flags & frontend::ImplicitInt; } 85 86 static const LangStandard &getLangStandardForKind(Kind K); 87 static const LangStandard *getLangStandardForName(StringRef Name); 88 }; 89 90 } // end namespace clang 91 92 #endif 93
