Pirama Arumuga Nainar | d285ad0 | 2022-02-08 09:26:56 -0800 | [diff] [blame] | 1 | //===--- TypeTraits.h - C++ Type Traits Support Enumerations ----*- C++ -*-===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | /// |
| 9 | /// \file |
| 10 | /// Defines enumerations for the type traits support. |
| 11 | /// |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #ifndef LLVM_CLANG_BASIC_TYPETRAITS_H |
| 15 | #define LLVM_CLANG_BASIC_TYPETRAITS_H |
| 16 | |
| 17 | #include "llvm/Support/Compiler.h" |
| 18 | |
| 19 | namespace clang { |
| 20 | /// Names for traits that operate specifically on types. |
| 21 | enum TypeTrait { |
| 22 | #define TYPE_TRAIT_1(Spelling, Name, Key) UTT_##Name, |
| 23 | #include "clang/Basic/TokenKinds.def" |
| 24 | UTT_Last = -1 // UTT_Last == last UTT_XX in the enum. |
| 25 | #define TYPE_TRAIT_1(Spelling, Name, Key) +1 |
| 26 | #include "clang/Basic/TokenKinds.def" |
| 27 | , |
| 28 | #define TYPE_TRAIT_2(Spelling, Name, Key) BTT_##Name, |
| 29 | #include "clang/Basic/TokenKinds.def" |
| 30 | BTT_Last = UTT_Last // BTT_Last == last BTT_XX in the enum. |
| 31 | #define TYPE_TRAIT_2(Spelling, Name, Key) +1 |
| 32 | #include "clang/Basic/TokenKinds.def" |
| 33 | , |
| 34 | #define TYPE_TRAIT_N(Spelling, Name, Key) TT_##Name, |
| 35 | #include "clang/Basic/TokenKinds.def" |
| 36 | TT_Last = BTT_Last // TT_Last == last TT_XX in the enum. |
| 37 | #define TYPE_TRAIT_N(Spelling, Name, Key) +1 |
| 38 | #include "clang/Basic/TokenKinds.def" |
| 39 | }; |
| 40 | |
| 41 | /// Names for the array type traits. |
| 42 | enum ArrayTypeTrait { |
| 43 | #define ARRAY_TYPE_TRAIT(Spelling, Name, Key) ATT_##Name, |
| 44 | #include "clang/Basic/TokenKinds.def" |
| 45 | ATT_Last = -1 // ATT_Last == last ATT_XX in the enum. |
| 46 | #define ARRAY_TYPE_TRAIT(Spelling, Name, Key) +1 |
| 47 | #include "clang/Basic/TokenKinds.def" |
| 48 | }; |
| 49 | |
| 50 | /// Names for the "expression or type" traits. |
| 51 | enum UnaryExprOrTypeTrait { |
| 52 | #define UNARY_EXPR_OR_TYPE_TRAIT(Spelling, Name, Key) UETT_##Name, |
| 53 | #define CXX11_UNARY_EXPR_OR_TYPE_TRAIT(Spelling, Name, Key) UETT_##Name, |
| 54 | #include "clang/Basic/TokenKinds.def" |
| 55 | UETT_Last = -1 // UETT_Last == last UETT_XX in the enum. |
| 56 | #define UNARY_EXPR_OR_TYPE_TRAIT(Spelling, Name, Key) +1 |
| 57 | #define CXX11_UNARY_EXPR_OR_TYPE_TRAIT(Spelling, Name, Key) +1 |
| 58 | #include "clang/Basic/TokenKinds.def" |
| 59 | }; |
| 60 | |
| 61 | /// Return the internal name of type trait \p T. Never null. |
| 62 | const char *getTraitName(TypeTrait T) LLVM_READONLY; |
| 63 | const char *getTraitName(ArrayTypeTrait T) LLVM_READONLY; |
| 64 | const char *getTraitName(UnaryExprOrTypeTrait T) LLVM_READONLY; |
| 65 | |
| 66 | /// Return the spelling of the type trait \p TT. Never null. |
| 67 | const char *getTraitSpelling(TypeTrait T) LLVM_READONLY; |
| 68 | const char *getTraitSpelling(ArrayTypeTrait T) LLVM_READONLY; |
| 69 | const char *getTraitSpelling(UnaryExprOrTypeTrait T) LLVM_READONLY; |
| 70 | } // namespace clang |
| 71 | |
| 72 | #endif |