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       1                 :             : /* Find near-matches for macros.
       2                 :             :    Copyright (C) 2016-2024 Free Software Foundation, Inc.
       3                 :             : 
       4                 :             : This file is part of GCC.
       5                 :             : 
       6                 :             : GCC is free software; you can redistribute it and/or modify it under
       7                 :             : the terms of the GNU General Public License as published by the Free
       8                 :             : Software Foundation; either version 3, or (at your option) any later
       9                 :             : version.
      10                 :             : 
      11                 :             : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      12                 :             : WARRANTY; without even the implied warranty of MERCHANTABILITY or
      13                 :             : FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      14                 :             : for more details.
      15                 :             : 
      16                 :             : You should have received a copy of the GNU General Public License
      17                 :             : along with GCC; see the file COPYING3.  If not see
      18                 :             : <http://www.gnu.org/licenses/>.  */
      19                 :             : 
      20                 :             : #ifndef C_SPELLCHECK_H
      21                 :             : #define C_SPELLCHECK_H
      22                 :             : 
      23                 :             : #include "spellcheck.h"
      24                 :             : 
      25                 :             : extern bool name_reserved_for_implementation_p (const char *str);
      26                 :             : 
      27                 :             : /* Specialization of edit_distance_traits for preprocessor macros.  */
      28                 :             : 
      29                 :             : template <>
      30                 :             : struct edit_distance_traits<cpp_hashnode *>
      31                 :             : {
      32                 :      317123 :   static size_t get_length (cpp_hashnode *hashnode)
      33                 :             :   {
      34                 :      317123 :     return hashnode->ident.len;
      35                 :             :   }
      36                 :             : 
      37                 :      253145 :   static const char *get_string (cpp_hashnode *hashnode)
      38                 :             :   {
      39                 :      253145 :     return (const char *)hashnode->ident.str;
      40                 :             :   }
      41                 :             : };
      42                 :             : 
      43                 :             : /* Specialization of best_match<> for finding the closest preprocessor
      44                 :             :    macro to a given identifier.  */
      45                 :             : 
      46                 :             : class best_macro_match : public best_match<tree, cpp_hashnode *>
      47                 :             : {
      48                 :             :  public:
      49                 :             :   best_macro_match (tree goal, edit_distance_t best_distance_so_far,
      50                 :             :                     cpp_reader *reader);
      51                 :             : };
      52                 :             : 
      53                 :             : #endif  /* C_SPELLCHECK_H  */