gcc/rust/util/rust-keyword-values.h

   1 // Copyright (C) 2020-2024 Free Software Foundation, Inc.
   2
   3 // This file is part of GCC.
   4
   5 // GCC is free software; you can redistribute it and/or modify it under
   6 // the terms of the GNU General Public License as published by the Free
   7 // Software Foundation; either version 3, or (at your option) any later
   8 // version.
   9
  10 // GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  11 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13 // for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with GCC; see the file COPYING3.  If not see
  17 // <http://www.gnu.org/licenses/>.
  18
  19 #ifndef RUST_KEYWORD_VALUES_H
  20 #define RUST_KEYWORD_VALUES_H
  21
  22 #include "rust-token.h"
  23
  24 // Append keywords made from multiple tokens to the existing token-keyword list
  25 #define RS_KEYWORD_LIST                                                        \
  26   RS_TOKEN_LIST                                                                \
  27   RS_TOKEN_KEYWORD_2015 (DOLLAR_CRATE, "$crate")                               \
  28   RS_TOKEN_KEYWORD_2015 (PATH_ROOT, "{{root}}")                                \
  29   RS_TOKEN_KEYWORD_2015 (STATIC_LIFETIME, "'static")                           \
  30   RS_TOKEN_KEYWORD_2015 (UNDERSCORE_LIFETIME, "'_")
  31
  32 namespace Rust {
  33 namespace Values {
  34
  35 // TODO: Change this to a namespace + inline constexpr in the future
  36 class Keywords
  37 {
  38 public:
  39   const static std::map<std::string, TokenId> keywords_tokens;
  40
  41   const static std::set<std::string> keywords;
  42   // Rust keyword values
  43 public:
  44 #define RS_TOKEN(x, y)
  45 #define RS_TOKEN_KEYWORD_2015(tok, key) static constexpr auto &tok = key;
  46 #define RS_TOKEN_KEYWORD_2018 RS_TOKEN_KEYWORD_2015
  47   RS_KEYWORD_LIST
  48 #undef RS_TOKEN_KEYWORD_2015
  49 #undef RS_TOKEN_KEYWORD_2018
  50 #undef RS_TOKEN
  51 };
  52
  53 class WeakKeywords
  54 {
  55 public:
  56   static constexpr auto &AUTO = "auto";
  57   static constexpr auto &BUILTIN = "builtin";
  58   static constexpr auto &CATCH = "catch";
  59   static constexpr auto &DEFAULT = "default";
  60   static constexpr auto &GEN = "gen";
  61   static constexpr auto &MACRO_RULES = "macro_rules";
  62   static constexpr auto &RAW = "raw";
  63   static constexpr auto &UNION = "union";
  64   static constexpr auto &YEET = "yeet";
  65 };
  66
  67 } // namespace Values
  68 } // namespace Rust
  69
  70 #endif /* !RUST_KEYWORD_VALUES_H */