gcc/selftest-diagnostic.cc

   1 /* Selftest support for diagnostics.
   2    Copyright (C) 2016-2024 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 3, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 #include "config.h"
  21 #include "system.h"
  22 #include "coretypes.h"
  23 #include "diagnostic.h"
  24 #include "selftest.h"
  25 #include "selftest-diagnostic.h"
  26
  27 /* The selftest code should entirely disappear in a production
  28    configuration, hence we guard all of it with #if CHECKING_P.  */
  29
  30 #if CHECKING_P
  31
  32 namespace selftest {
  33
  34 /* Implementation of class selftest::test_diagnostic_context.  */
  35
  36 test_diagnostic_context::test_diagnostic_context ()
  37 {
  38   diagnostic_initialize (this, 0);
  39   pp_show_color (m_printer) = false;
  40   m_source_printing.enabled = true;
  41   m_source_printing.show_labels_p = true;
  42   m_show_column = true;
  43   diagnostic_start_span (this) = start_span_cb;
  44   m_source_printing.min_margin_width = 6;
  45   m_source_printing.max_width = 80;
  46 }
  47
  48 test_diagnostic_context::~test_diagnostic_context ()
  49 {
  50   diagnostic_finish (this);
  51 }
  52
  53 /* Implementation of diagnostic_start_span_fn, hiding the
  54    real filename (to avoid printing the names of tempfiles).  */
  55
  56 void
  57 test_diagnostic_context::
  58 start_span_cb (const diagnostic_location_print_policy &loc_policy,
  59                pretty_printer *pp,
  60                expanded_location exploc)
  61 {
  62   exploc.file = "FILENAME";
  63   default_diagnostic_start_span_fn (loc_policy, pp, exploc);
  64 }
  65
  66 bool
  67 test_diagnostic_context::report (diagnostic_t kind,
  68                                  rich_location &richloc,
  69                                  const diagnostic_metadata *metadata,
  70                                  int option,
  71                                  const char * fmt, ...)
  72 {
  73   va_list ap;
  74   va_start (ap, fmt);
  75   begin_group ();
  76   bool result = diagnostic_impl (&richloc, metadata, option, fmt, &ap, kind);
  77   end_group ();
  78   va_end (ap);
  79   return result;
  80 }
  81
  82 /* Print RICHLOC's source and annotations to this context's m_printer.
  83    Return the text buffer from the printer.  */
  84
  85 const char *
  86 test_diagnostic_context::test_show_locus (rich_location &richloc)
  87 {
  88   gcc_assert (m_printer);
  89   diagnostic_source_print_policy source_policy (*this);
  90   source_policy.print (*m_printer, richloc, DK_ERROR, nullptr);
  91   return pp_formatted_text (m_printer);
  92 }
  93
  94 } // namespace selftest
  95
  96 #endif /* #if CHECKING_P */