| //===--- TypeTraits.h - C++ Type Traits Support Enumerations ----*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// Defines enumerations for the type traits support. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_BASIC_TYPETRAITS_H |
| #define LLVM_CLANG_BASIC_TYPETRAITS_H |
| |
| #include "llvm/Support/Compiler.h" |
| |
| namespace clang { |
| /// Names for traits that operate specifically on types. |
| enum TypeTrait { |
| #define TYPE_TRAIT_1(Spelling, Name, Key) UTT_##Name, |
| #include "clang/Basic/TokenKinds.def" |
| UTT_Last = -1 // UTT_Last == last UTT_XX in the enum. |
| #define TYPE_TRAIT_1(Spelling, Name, Key) +1 |
| #include "clang/Basic/TokenKinds.def" |
| , |
| #define TYPE_TRAIT_2(Spelling, Name, Key) BTT_##Name, |
| #include "clang/Basic/TokenKinds.def" |
| BTT_Last = UTT_Last // BTT_Last == last BTT_XX in the enum. |
| #define TYPE_TRAIT_2(Spelling, Name, Key) +1 |
| #include "clang/Basic/TokenKinds.def" |
| , |
| #define TYPE_TRAIT_N(Spelling, Name, Key) TT_##Name, |
| #include "clang/Basic/TokenKinds.def" |
| TT_Last = BTT_Last // TT_Last == last TT_XX in the enum. |
| #define TYPE_TRAIT_N(Spelling, Name, Key) +1 |
| #include "clang/Basic/TokenKinds.def" |
| }; |
| |
| /// Names for the array type traits. |
| enum ArrayTypeTrait { |
| #define ARRAY_TYPE_TRAIT(Spelling, Name, Key) ATT_##Name, |
| #include "clang/Basic/TokenKinds.def" |
| ATT_Last = -1 // ATT_Last == last ATT_XX in the enum. |
| #define ARRAY_TYPE_TRAIT(Spelling, Name, Key) +1 |
| #include "clang/Basic/TokenKinds.def" |
| }; |
| |
| /// Names for the "expression or type" traits. |
| enum UnaryExprOrTypeTrait { |
| #define UNARY_EXPR_OR_TYPE_TRAIT(Spelling, Name, Key) UETT_##Name, |
| #define CXX11_UNARY_EXPR_OR_TYPE_TRAIT(Spelling, Name, Key) UETT_##Name, |
| #include "clang/Basic/TokenKinds.def" |
| UETT_Last = -1 // UETT_Last == last UETT_XX in the enum. |
| #define UNARY_EXPR_OR_TYPE_TRAIT(Spelling, Name, Key) +1 |
| #define CXX11_UNARY_EXPR_OR_TYPE_TRAIT(Spelling, Name, Key) +1 |
| #include "clang/Basic/TokenKinds.def" |
| }; |
| |
| /// Return the internal name of type trait \p T. Never null. |
| const char *getTraitName(TypeTrait T) LLVM_READONLY; |
| const char *getTraitName(ArrayTypeTrait T) LLVM_READONLY; |
| const char *getTraitName(UnaryExprOrTypeTrait T) LLVM_READONLY; |
| |
| /// Return the spelling of the type trait \p TT. Never null. |
| const char *getTraitSpelling(TypeTrait T) LLVM_READONLY; |
| const char *getTraitSpelling(ArrayTypeTrait T) LLVM_READONLY; |
| const char *getTraitSpelling(UnaryExprOrTypeTrait T) LLVM_READONLY; |
| } // namespace clang |
| |
| #endif |