1 /* Find near-matches for macros. 2 Copyright (C) 2016-2018 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 static size_t get_length (cpp_hashnode *hashnode) 33 { 34 return hashnode->ident.len; 35 } 36 37 static const char *get_string (cpp_hashnode *hashnode) 38 { 39 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 */ 54