gcc/analyzer/pending-diagnostic.cc

   1 /* Classes for analyzer diagnostics.
   2    Copyright (C) 2019-2021 Free Software Foundation, Inc.
   3    Contributed by David Malcolm <dmalcolm@redhat.com>.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it
   8 under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3, or (at your option)
  10 any later version.
  11
  12 GCC is distributed in the hope that it will be useful, but
  13 WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #include "config.h"
  22 #include "system.h"
  23 #include "coretypes.h"
  24 #include "tree.h"
  25 #include "intl.h"
  26 #include "diagnostic.h"
  27 #include "function.h"
  28 #include "json.h"
  29 #include "analyzer/analyzer.h"
  30 #include "diagnostic-event-id.h"
  31 #include "analyzer/analyzer-logging.h"
  32 #include "analyzer/sm.h"
  33 #include "diagnostic-event-id.h"
  34 #include "analyzer/sm.h"
  35 #include "analyzer/pending-diagnostic.h"
  36
  37 #if ENABLE_ANALYZER
  38
  39 namespace ana {
  40
  41 /* Generate a label_text by printing FMT.
  42
  43    Use a clone of the global_dc for formatting callbacks.
  44
  45    Use this evdesc::event_desc's m_colorize flag to control colorization
  46    (so that e.g. we can disable it for JSON output).  */
  47
  48 label_text
  49 evdesc::event_desc::formatted_print (const char *fmt, ...) const
  50 {
  51   pretty_printer *pp = global_dc->printer->clone ();
  52
  53   pp_show_color (pp) = m_colorize;
  54
  55   text_info ti;
  56   rich_location rich_loc (line_table, UNKNOWN_LOCATION);
  57   va_list ap;
  58   va_start (ap, fmt);
  59   ti.format_spec = _(fmt);
  60   ti.args_ptr = &ap;
  61   ti.err_no = 0;
  62   ti.x_data = NULL;
  63   ti.m_richloc = &rich_loc;
  64   pp_format (pp, &ti);
  65   pp_output_formatted_text (pp);
  66   va_end (ap);
  67
  68   label_text result = label_text::take (xstrdup (pp_formatted_text (pp)));
  69   delete pp;
  70   return result;
  71 }
  72
  73 /* Return true if T1 and T2 are "the same" for the purposes of
  74    diagnostic deduplication.  */
  75
  76 bool
  77 pending_diagnostic::same_tree_p (tree t1, tree t2)
  78 {
  79   return simple_cst_equal (t1, t2) == 1;
  80 }
  81
  82 } // namespace ana
  83
  84 #endif /* #if ENABLE_ANALYZER */