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145
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1 /* Classes for analyzer diagnostics.
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2 Copyright (C) 2019-2020 Free Software Foundation, Inc.
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3 Contributed by David Malcolm <dmalcolm@redhat.com>.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful, but
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #include "config.h"
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22 #include "system.h"
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23 #include "coretypes.h"
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24 #include "tree.h"
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25 #include "intl.h"
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26 #include "diagnostic.h"
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27 #include "function.h"
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28 #include "analyzer/analyzer.h"
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29 #include "diagnostic-event-id.h"
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30 #include "analyzer/analyzer-logging.h"
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31 #include "analyzer/sm.h"
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32 #include "diagnostic-event-id.h"
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33 #include "analyzer/sm.h"
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34 #include "analyzer/pending-diagnostic.h"
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35
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36 #if ENABLE_ANALYZER
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37
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38 namespace ana {
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39
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40 /* Generate a label_text by printing FMT.
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41
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42 Use a clone of the global_dc for formatting callbacks.
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43
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44 Use this evdesc::event_desc's m_colorize flag to control colorization
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45 (so that e.g. we can disable it for JSON output). */
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46
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47 label_text
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48 evdesc::event_desc::formatted_print (const char *fmt, ...) const
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49 {
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50 pretty_printer *pp = global_dc->printer->clone ();
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51
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52 pp_show_color (pp) = m_colorize;
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53
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54 text_info ti;
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55 rich_location rich_loc (line_table, UNKNOWN_LOCATION);
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56 va_list ap;
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57 va_start (ap, fmt);
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58 ti.format_spec = _(fmt);
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59 ti.args_ptr = ≈
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60 ti.err_no = 0;
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61 ti.x_data = NULL;
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62 ti.m_richloc = &rich_loc;
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63 pp_format (pp, &ti);
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64 pp_output_formatted_text (pp);
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65 va_end (ap);
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66
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67 label_text result = label_text::take (xstrdup (pp_formatted_text (pp)));
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68 delete pp;
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69 return result;
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70 }
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71
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72 /* Return true if T1 and T2 are "the same" for the purposes of
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73 diagnostic deduplication. */
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74
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75 bool
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76 pending_diagnostic::same_tree_p (tree t1, tree t2)
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77 {
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78 return simple_cst_equal (t1, t2) == 1;
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79 }
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80
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81 } // namespace ana
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82
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83 #endif /* #if ENABLE_ANALYZER */
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