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1 /* Declarations relating to class gcc_rich_location
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2 Copyright (C) 2014-2017 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 GCC_RICH_LOCATION_H
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21 #define GCC_RICH_LOCATION_H
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22
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23 /* A gcc_rich_location is libcpp's rich_location with additional
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24 helper methods for working with gcc's types. */
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25 class gcc_rich_location : public rich_location
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26 {
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27 public:
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28 /* Constructors. */
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29
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30 /* Constructing from a location. */
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31 gcc_rich_location (source_location loc) :
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32 rich_location (line_table, loc) {}
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33
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34 /* Methods for adding ranges via gcc entities. */
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35 void
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36 add_expr (tree expr);
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37
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38 void
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39 maybe_add_expr (tree t);
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40
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41 void add_fixit_misspelled_id (location_t misspelled_token_loc,
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42 tree hint_id);
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43
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44 /* If LOC is within the spans of lines that will already be printed for
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45 this gcc_rich_location, then add it as a secondary location
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46 and return true.
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47
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48 Otherwise return false.
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49
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50 This allows for a diagnostic to compactly print secondary locations
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51 in one diagnostic when these are near enough the primary locations for
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52 diagnostics-show-locus.c to cope with them, and to fall back to
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53 printing them via a note otherwise e.g.:
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54
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55 gcc_rich_location richloc (primary_loc);
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56 bool added secondary = richloc.add_location_if_nearby (secondary_loc);
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57 error_at_rich_loc (&richloc, "main message");
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58 if (!added secondary)
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59 inform (secondary_loc, "message for secondary");
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60
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61 Implemented in diagnostic-show-locus.c. */
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62
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63 bool add_location_if_nearby (location_t loc);
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64 };
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65
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66 #endif /* GCC_RICH_LOCATION_H */
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