Fix warning with -Wsign-compare -Wsystem-headers
[official-gcc.git] / gcc / c-family / c-spellcheck.h
blob25229d5579246facffc27fea48f13385538334ab
1 /* Find near-matches for macros.
2 Copyright (C) 2016-2018 Free Software Foundation, Inc.
4 This file is part of GCC.
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.
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.
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/>. */
20 #ifndef C_SPELLCHECK_H
21 #define C_SPELLCHECK_H
23 #include "spellcheck.h"
25 extern bool name_reserved_for_implementation_p (const char *str);
27 /* Specialization of edit_distance_traits for preprocessor macros. */
29 template <>
30 struct edit_distance_traits<cpp_hashnode *>
32 static size_t get_length (cpp_hashnode *hashnode)
34 return hashnode->ident.len;
37 static const char *get_string (cpp_hashnode *hashnode)
39 return (const char *)hashnode->ident.str;
43 /* Specialization of best_match<> for finding the closest preprocessor
44 macro to a given identifier. */
46 class best_macro_match : public best_match<tree, cpp_hashnode *>
48 public:
49 best_macro_match (tree goal, edit_distance_t best_distance_so_far,
50 cpp_reader *reader);
53 #endif /* C_SPELLCHECK_H */