1  // Copyright (C) 2021-2023 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  
      24  namespace Rust {
      25  
      26  enum Mutability
      27  {
      28    Imm,
      29    Mut
      30  };
      31  
      32  enum Unsafety
      33  {
      34    Unsafe,
      35    Normal
      36  };
      37  
      38  enum Polarity
      39  {
      40    Positive,
      41    Negative
      42  };
      43  
      44  enum AsyncConstStatus
      45  {
      46    NONE,
      47    CONST_FN,
      48    ASYNC_FN
      49  };
      50  
      51  } // namespace Rust
      52  
      53  #endif // RUST_COMMON