1  /* This file is part of GCC.
       2  
       3  GCC is free software; you can redistribute it and/or modify
       4  it under the terms of the GNU General Public License as published by
       5  the Free Software Foundation; either version 3, or (at your option)
       6  any later version.
       7  
       8  GCC is distributed in the hope that it will be useful,
       9  but WITHOUT ANY WARRANTY; without even the implied warranty of
      10  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      11  GNU General Public License for more details.
      12  
      13  You should have received a copy of the GNU General Public License
      14  along with GCC; see the file COPYING3.  If not see
      15  <http://www.gnu.org/licenses/>. */
      16  
      17  #ifndef RUST_CFG_PARSER_H
      18  #define RUST_CFG_PARSER_H
      19  
      20  #include "rust-system.h"
      21  
      22  namespace Rust {
      23  /**
      24   * Parse a `key` or `key="value"` pair given to the `-frust-cfg` compiler
      25   * option.
      26   *
      27   * The format is as follows:
      28   *
      29   * -frust-cfg=<input>
      30   *
      31   * cfg_input: identifier | identifier '=' '"' identifier '"'
      32   *
      33   * @param input User input given to the -frust-cfg option
      34   * @param key String in which to store the parsed `key`.
      35   * @param value String in which to store the parsed `value` if it exists
      36   *
      37   * @return false if the given input was invalid, true otherwise
      38   */
      39  bool
      40  parse_cfg_option (std::string &input, std::string &key, std::string &value);
      41  } // namespace Rust
      42  
      43  #if CHECKING_P
      44  
      45  namespace selftest {
      46  extern void
      47  rust_cfg_parser_test (void);
      48  } // namespace selftest
      49  
      50  #endif // CHECKING_P
      51  
      52  #endif // RUST_CFG_PARSER_H