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131
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1 /* Find near-matches for macros.
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2 Copyright (C) 2016-2018 Free Software Foundation, Inc.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify it under
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7 the terms of the GNU General Public License as published by the Free
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8 Software Foundation; either version 3, or (at your option) any later
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9 version.
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10
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11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 #ifndef C_SPELLCHECK_H
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21 #define C_SPELLCHECK_H
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22
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23 #include "spellcheck.h"
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24
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25 extern bool name_reserved_for_implementation_p (const char *str);
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26
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27 /* Specialization of edit_distance_traits for preprocessor macros. */
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28
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29 template <>
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30 struct edit_distance_traits<cpp_hashnode *>
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31 {
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32 static size_t get_length (cpp_hashnode *hashnode)
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33 {
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34 return hashnode->ident.len;
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35 }
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36
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37 static const char *get_string (cpp_hashnode *hashnode)
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38 {
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39 return (const char *)hashnode->ident.str;
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40 }
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41 };
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42
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43 /* Specialization of best_match<> for finding the closest preprocessor
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44 macro to a given identifier. */
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45
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46 class best_macro_match : public best_match<tree, cpp_hashnode *>
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47 {
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48 public:
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49 best_macro_match (tree goal, edit_distance_t best_distance_so_far,
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50 cpp_reader *reader);
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51 };
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52
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53 #endif /* C_SPELLCHECK_H */
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