spellcheck-tree.h

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/* Find near-matches for identifiers.
   Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
This file is part of GCC.
 
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
 
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.
 
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */
 
#ifndef GCC_SPELLCHECK_TREE_H
#define GCC_SPELLCHECK_TREE_H
 
#include "spellcheck.h"
 
/* spellcheck-tree.cc  */
 
extern edit_distance_t
get_edit_distance (tree ident_s, tree ident_t);
 
extern tree
find_closest_identifier (tree target, const auto_vec<tree> *candidates);
 
/* Specialization of edit_distance_traits for identifiers.  */
 
template <>
struct edit_distance_traits<tree>
{
  static size_t get_length (tree id)
  {
    gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE);
    return IDENTIFIER_LENGTH (id);
  }
 
  static const char *get_string (tree id)
  {
    gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE);
    return IDENTIFIER_POINTER (id);
  }
};
 
#endif  /* GCC_SPELLCHECK_TREE_H  */