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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===--- LangStandard.h -----------------------------------------*- C++ -*-===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |||
| 9 | #ifndef LLVM_CLANG_BASIC_LANGSTANDARD_H |
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| 10 | #define LLVM_CLANG_BASIC_LANGSTANDARD_H |
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| 11 | |||
| 12 | #include "clang/Basic/LLVM.h" |
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| 13 | #include "llvm/ADT/StringRef.h" |
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| 14 | |||
| 15 | namespace llvm { |
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| 16 | class Triple; |
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| 17 | } |
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| 18 | |||
| 19 | namespace clang { |
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| 20 | |||
| 21 | /// The language for the input, used to select and validate the language |
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| 22 | /// standard and possible actions. |
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| 23 | enum class Language : uint8_t { |
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| 24 | Unknown, |
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| 25 | |||
| 26 | /// Assembly: we accept this only so that we can preprocess it. |
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| 27 | Asm, |
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| 28 | |||
| 29 | /// LLVM IR: we accept this so that we can run the optimizer on it, |
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| 30 | /// and compile it to assembly or object code. |
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| 31 | LLVM_IR, |
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| 32 | |||
| 33 | ///@{ Languages that the frontend can parse and compile. |
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| 34 | C, |
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| 35 | CXX, |
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| 36 | ObjC, |
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| 37 | ObjCXX, |
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| 38 | OpenCL, |
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| 39 | OpenCLCXX, |
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| 40 | CUDA, |
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| 41 | RenderScript, |
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| 42 | HIP, |
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| 43 | HLSL, |
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| 44 | ///@} |
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| 45 | }; |
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| 46 | |||
| 47 | enum LangFeatures { |
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| 48 | LineComment = (1 << 0), |
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| 49 | C99 = (1 << 1), |
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| 50 | C11 = (1 << 2), |
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| 51 | C17 = (1 << 3), |
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| 52 | C2x = (1 << 4), |
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| 53 | CPlusPlus = (1 << 5), |
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| 54 | CPlusPlus11 = (1 << 6), |
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| 55 | CPlusPlus14 = (1 << 7), |
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| 56 | CPlusPlus17 = (1 << 8), |
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| 57 | CPlusPlus20 = (1 << 9), |
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| 58 | CPlusPlus2b = (1 << 10), |
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| 59 | Digraphs = (1 << 11), |
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| 60 | GNUMode = (1 << 12), |
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| 61 | HexFloat = (1 << 13), |
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| 62 | OpenCL = (1 << 14), |
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| 63 | HLSL = (1 << 15) |
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| 64 | }; |
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| 65 | |||
| 66 | /// LangStandard - Information about the properties of a particular language |
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| 67 | /// standard. |
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| 68 | struct LangStandard { |
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| 69 | enum Kind { |
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| 70 | #define LANGSTANDARD(id, name, lang, desc, features) \ |
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| 71 | lang_##id, |
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| 72 | #include "clang/Basic/LangStandards.def" |
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| 73 | lang_unspecified |
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| 74 | }; |
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| 75 | |||
| 76 | const char *ShortName; |
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| 77 | const char *Description; |
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| 78 | unsigned Flags; |
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| 79 | clang::Language Language; |
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| 80 | |||
| 81 | public: |
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| 82 | /// getName - Get the name of this standard. |
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| 83 | const char *getName() const { return ShortName; } |
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| 84 | |||
| 85 | /// getDescription - Get the description of this standard. |
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| 86 | const char *getDescription() const { return Description; } |
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| 87 | |||
| 88 | /// Get the language that this standard describes. |
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| 89 | clang::Language getLanguage() const { return Language; } |
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| 90 | |||
| 91 | /// Language supports '//' comments. |
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| 92 | bool hasLineComments() const { return Flags & LineComment; } |
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| 93 | |||
| 94 | /// isC99 - Language is a superset of C99. |
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| 95 | bool isC99() const { return Flags & C99; } |
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| 96 | |||
| 97 | /// isC11 - Language is a superset of C11. |
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| 98 | bool isC11() const { return Flags & C11; } |
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| 99 | |||
| 100 | /// isC17 - Language is a superset of C17. |
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| 101 | bool isC17() const { return Flags & C17; } |
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| 102 | |||
| 103 | /// isC2x - Language is a superset of C2x. |
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| 104 | bool isC2x() const { return Flags & C2x; } |
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| 105 | |||
| 106 | /// isCPlusPlus - Language is a C++ variant. |
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| 107 | bool isCPlusPlus() const { return Flags & CPlusPlus; } |
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| 108 | |||
| 109 | /// isCPlusPlus11 - Language is a C++11 variant (or later). |
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| 110 | bool isCPlusPlus11() const { return Flags & CPlusPlus11; } |
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| 111 | |||
| 112 | /// isCPlusPlus14 - Language is a C++14 variant (or later). |
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| 113 | bool isCPlusPlus14() const { return Flags & CPlusPlus14; } |
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| 114 | |||
| 115 | /// isCPlusPlus17 - Language is a C++17 variant (or later). |
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| 116 | bool isCPlusPlus17() const { return Flags & CPlusPlus17; } |
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| 117 | |||
| 118 | /// isCPlusPlus20 - Language is a C++20 variant (or later). |
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| 119 | bool isCPlusPlus20() const { return Flags & CPlusPlus20; } |
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| 120 | |||
| 121 | /// isCPlusPlus2b - Language is a post-C++20 variant (or later). |
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| 122 | bool isCPlusPlus2b() const { return Flags & CPlusPlus2b; } |
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| 123 | |||
| 124 | /// hasDigraphs - Language supports digraphs. |
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| 125 | bool hasDigraphs() const { return Flags & Digraphs; } |
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| 126 | |||
| 127 | /// isGNUMode - Language includes GNU extensions. |
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| 128 | bool isGNUMode() const { return Flags & GNUMode; } |
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| 129 | |||
| 130 | /// hasHexFloats - Language supports hexadecimal float constants. |
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| 131 | bool hasHexFloats() const { return Flags & HexFloat; } |
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| 132 | |||
| 133 | /// isOpenCL - Language is a OpenCL variant. |
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| 134 | bool isOpenCL() const { return Flags & OpenCL; } |
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| 135 | |||
| 136 | static Kind getLangKind(StringRef Name); |
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| 137 | static const LangStandard &getLangStandardForKind(Kind K); |
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| 138 | static const LangStandard *getLangStandardForName(StringRef Name); |
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| 139 | }; |
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| 140 | |||
| 141 | LangStandard::Kind getDefaultLanguageStandard(clang::Language Lang, |
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| 142 | const llvm::Triple &T); |
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| 143 | |||
| 144 | } // end namespace clang |
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| 145 | |||
| 146 | #endif |