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       1              : // Copyright (C) 2021-2026 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              : // Common definitions useful throughout the Rust frontend.
      20              : 
      21              : #ifndef RUST_COMMON
      22              : #define RUST_COMMON
      23              : #include "rust-system.h"
      24              : 
      25              : namespace Rust {
      26              : 
      27              : enum class Mutability
      28              : {
      29              :   Imm,
      30              :   Mut
      31              : };
      32              : 
      33              : enum class Unsafety
      34              : {
      35              :   Unsafe,
      36              :   Normal
      37              : };
      38              : 
      39              : enum class Const
      40              : {
      41              :   Yes,
      42              :   No,
      43              : };
      44              : 
      45              : enum class Async
      46              : {
      47              :   Yes,
      48              :   No
      49              : };
      50              : 
      51              : enum BoundPolarity
      52              : {
      53              :   RegularBound,
      54              :   NegativeBound,
      55              :   AntiBound,
      56              : };
      57              : 
      58              : enum AsyncConstStatus
      59              : {
      60              :   NONE,
      61              :   CONST_FN,
      62              :   ASYNC_FN
      63              : };
      64              : 
      65              : inline std::string
      66            0 : enum_to_str (Mutability mut)
      67              : {
      68            0 :   std::string str;
      69            0 :   switch (mut)
      70              :     {
      71            0 :     case Mutability::Imm:
      72            0 :       return "Imm";
      73            0 :     case Mutability::Mut:
      74            0 :       return "Mut";
      75              :     }
      76            0 :   gcc_unreachable ();
      77            0 : }
      78              : 
      79              : } // namespace Rust
      80              : 
      81              : #endif // RUST_COMMON