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111
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1 /* Find near-matches for identifiers.
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145
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2 Copyright (C) 2015-2020 Free Software Foundation, Inc.
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111
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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 GCC_SPELLCHECK_TREE_H
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21 #define GCC_SPELLCHECK_TREE_H
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22
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23 #include "spellcheck.h"
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24
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25 /* spellcheck-tree.c */
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26
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27 extern edit_distance_t
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131
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28 get_edit_distance (tree ident_s, tree ident_t);
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111
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29
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30 extern tree
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31 find_closest_identifier (tree target, const auto_vec<tree> *candidates);
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32
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33 /* Specialization of edit_distance_traits for identifiers. */
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34
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35 template <>
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36 struct edit_distance_traits<tree>
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37 {
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38 static size_t get_length (tree id)
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39 {
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40 gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE);
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41 return IDENTIFIER_LENGTH (id);
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42 }
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43
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44 static const char *get_string (tree id)
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45 {
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46 gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE);
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47 return IDENTIFIER_POINTER (id);
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48 }
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49 };
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50
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51 #endif /* GCC_SPELLCHECK_TREE_H */
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