/* Language-independent diagnostic subroutines for the GNU Compiler Collection
- Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
Free Software Foundation, Inc.
Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* This file implements the language independent aspect of diagnostic
diagnostic_info *);
static void error_recursion (diagnostic_context *) ATTRIBUTE_NORETURN;
-static bool diagnostic_count_diagnostic (diagnostic_context *,
- diagnostic_info *);
+
static void diagnostic_action_after_output (diagnostic_context *,
diagnostic_info *);
static void real_abort (void) ATTRIBUTE_NORETURN;
return
(s.file == NULL
? build_message_string ("%s: %s", progname, text)
-#ifdef USE_MAPPED_LOCATION
: flag_show_column && s.column != 0
? build_message_string ("%s:%d:%d: %s", s.file, s.line, s.column, text)
-#endif
: build_message_string ("%s:%d: %s", s.file, s.line, text));
}
-/* Count a diagnostic. Return true if the message should be printed. */
-static bool
-diagnostic_count_diagnostic (diagnostic_context *context,
- diagnostic_info *diagnostic)
-{
- diagnostic_t kind = diagnostic->kind;
- switch (kind)
- {
- default:
- gcc_unreachable ();
-
- case DK_ICE:
-#ifndef ENABLE_CHECKING
- /* When not checking, ICEs are converted to fatal errors when an
- error has already occurred. This is counteracted by
- abort_on_error. */
- if ((diagnostic_kind_count (context, DK_ERROR) > 0
- || diagnostic_kind_count (context, DK_SORRY) > 0)
- && !context->abort_on_error)
- {
- expanded_location s = expand_location (diagnostic->location);
- fnotice (stderr, "%s:%d: confused by earlier errors, bailing out\n",
- s.file, s.line);
- exit (ICE_EXIT_CODE);
- }
-#endif
- if (context->internal_error)
- (*context->internal_error) (diagnostic->message.format_spec,
- diagnostic->message.args_ptr);
- /* Fall through. */
-
- case DK_FATAL: case DK_SORRY:
- case DK_ANACHRONISM: case DK_NOTE:
- ++diagnostic_kind_count (context, kind);
- break;
-
- case DK_WARNING:
- if (!diagnostic_report_warnings_p ())
- return false;
-
- /* -Werror can reclassify warnings as errors, but
- classify_diagnostic can reclassify it back to a warning. The
- second part of this test detects that case. */
- if (!context->warning_as_error_requested
- || (context->classify_diagnostic[diagnostic->option_index]
- == DK_WARNING))
- {
- ++diagnostic_kind_count (context, DK_WARNING);
- break;
- }
- else if (context->issue_warnings_are_errors_message)
- {
- pp_verbatim (context->printer,
- "%s: warnings being treated as errors\n", progname);
- context->issue_warnings_are_errors_message = false;
- }
-
- /* And fall through. */
- case DK_ERROR:
- ++diagnostic_kind_count (context, DK_ERROR);
- break;
- }
-
- return true;
-}
-
/* Take any action which is expected to happen after the diagnostic
is written out. This function does not always return. */
static void
/* Prints out, if necessary, the name of the current function
that caused an error. Called from all error and warning functions. */
void
-diagnostic_report_current_function (diagnostic_context *context)
+diagnostic_report_current_function (diagnostic_context *context,
+ diagnostic_info *diagnostic)
{
diagnostic_report_current_module (context);
- lang_hooks.print_error_function (context, input_filename);
+ lang_hooks.print_error_function (context, input_filename, diagnostic);
}
void
diagnostic_report_current_module (diagnostic_context *context)
{
- struct file_stack *p;
+ const struct line_map *map;
if (pp_needs_newline (context->printer))
{
pp_needs_newline (context->printer) = false;
}
- p = input_file_stack;
- if (p && diagnostic_last_module_changed (context))
+ if (input_location <= BUILTINS_LOCATION)
+ return;
+
+ map = linemap_lookup (line_table, input_location);
+ if (map && diagnostic_last_module_changed (context, map))
{
- expanded_location xloc = expand_location (p->location);
- pp_verbatim (context->printer,
- "In file included from %s:%d",
- xloc.file, xloc.line);
- while ((p = p->next) != NULL)
+ diagnostic_set_last_module (context, map);
+ if (! MAIN_FILE_P (map))
{
- xloc = expand_location (p->location);
+ map = INCLUDED_FROM (line_table, map);
pp_verbatim (context->printer,
- ",\n from %s:%d",
- xloc.file, xloc.line);
+ "In file included from %s:%d",
+ map->to_file, LAST_SOURCE_LINE (map));
+ while (! MAIN_FILE_P (map))
+ {
+ map = INCLUDED_FROM (line_table, map);
+ pp_verbatim (context->printer,
+ ",\n from %s:%d",
+ map->to_file, LAST_SOURCE_LINE (map));
+ }
+ pp_verbatim (context->printer, ":");
+ pp_newline (context->printer);
}
- pp_verbatim (context->printer, ":");
- diagnostic_set_last_module (context);
- pp_newline (context->printer);
}
}
default_diagnostic_starter (diagnostic_context *context,
diagnostic_info *diagnostic)
{
- diagnostic_report_current_function (context);
+ diagnostic_report_current_function (context, diagnostic);
pp_set_prefix (context->printer, diagnostic_build_prefix (diagnostic));
}
diagnostic_report_diagnostic (diagnostic_context *context,
diagnostic_info *diagnostic)
{
+ bool maybe_print_warnings_as_errors_message = false;
+ const char *saved_format_spec;
+
+ /* Give preference to being able to inhibit warnings, before they
+ get reclassified to something else. */
+ if (diagnostic->kind == DK_WARNING
+ && !diagnostic_report_warnings_p ())
+ return;
+
if (context->lock > 0)
{
/* If we're reporting an ICE in the middle of some other error,
error_recursion (context);
}
+ /* If the user requested that warnings be treated as errors, so be
+ it. Note that we do this before the next block so that
+ individual warnings can be overridden back to warnings with
+ -Wno-error=*. */
+ if (context->warning_as_error_requested
+ && diagnostic->kind == DK_WARNING)
+ {
+ diagnostic->kind = DK_ERROR;
+ maybe_print_warnings_as_errors_message = true;
+ }
+
if (diagnostic->option_index)
{
/* This tests if the user provided the appropriate -Wfoo or
/* This tests if the user provided the appropriate -Werror=foo
option. */
if (context->classify_diagnostic[diagnostic->option_index] != DK_UNSPECIFIED)
- diagnostic->kind = context->classify_diagnostic[diagnostic->option_index];
+ {
+ diagnostic->kind = context->classify_diagnostic[diagnostic->option_index];
+ maybe_print_warnings_as_errors_message = false;
+ }
/* This allows for future extensions, like temporarily disabling
warnings for ranges of source code. */
if (diagnostic->kind == DK_IGNORED)
return;
}
+ /* If we changed the kind due to -Werror, and didn't override it, we
+ need to print this message. */
+ if (context->issue_warnings_are_errors_message
+ && maybe_print_warnings_as_errors_message)
+ {
+ pp_verbatim (context->printer,
+ "%s: warnings being treated as errors\n", progname);
+ context->issue_warnings_are_errors_message = false;
+ }
+
context->lock++;
- if (diagnostic_count_diagnostic (context, diagnostic))
+ if (diagnostic->kind == DK_ICE)
{
- const char *saved_format_spec = diagnostic->message.format_spec;
-
- if (context->show_option_requested && diagnostic->option_index)
- diagnostic->message.format_spec
- = ACONCAT ((diagnostic->message.format_spec,
- " [", cl_options[diagnostic->option_index].opt_text, "]", NULL));
-
- diagnostic->message.locus = &diagnostic->location;
- pp_format (context->printer, &diagnostic->message);
- (*diagnostic_starter (context)) (context, diagnostic);
- pp_output_formatted_text (context->printer);
- (*diagnostic_finalizer (context)) (context, diagnostic);
- pp_flush (context->printer);
- diagnostic_action_after_output (context, diagnostic);
- diagnostic->message.format_spec = saved_format_spec;
+#ifndef ENABLE_CHECKING
+ /* When not checking, ICEs are converted to fatal errors when an
+ error has already occurred. This is counteracted by
+ abort_on_error. */
+ if ((diagnostic_kind_count (context, DK_ERROR) > 0
+ || diagnostic_kind_count (context, DK_SORRY) > 0)
+ && !context->abort_on_error)
+ {
+ expanded_location s = expand_location (diagnostic->location);
+ fnotice (stderr, "%s:%d: confused by earlier errors, bailing out\n",
+ s.file, s.line);
+ exit (ICE_EXIT_CODE);
+ }
+#endif
+ if (context->internal_error)
+ (*context->internal_error) (diagnostic->message.format_spec,
+ diagnostic->message.args_ptr);
}
+ ++diagnostic_kind_count (context, diagnostic->kind);
+
+ saved_format_spec = diagnostic->message.format_spec;
+ if (context->show_option_requested && diagnostic->option_index)
+ diagnostic->message.format_spec
+ = ACONCAT ((diagnostic->message.format_spec,
+ " [", cl_options[diagnostic->option_index].opt_text, "]", NULL));
+
+ diagnostic->message.locus = &diagnostic->location;
+ diagnostic->message.abstract_origin = &diagnostic->abstract_origin;
+ diagnostic->abstract_origin = NULL;
+ pp_format (context->printer, &diagnostic->message);
+ (*diagnostic_starter (context)) (context, diagnostic);
+ pp_output_formatted_text (context->printer);
+ (*diagnostic_finalizer (context)) (context, diagnostic);
+ pp_flush (context->printer);
+ diagnostic_action_after_output (context, diagnostic);
+ diagnostic->message.format_spec = saved_format_spec;
+ diagnostic->abstract_origin = NULL;
context->lock--;
}
text.args_ptr = ≈
text.format_spec = _(gmsgid);
text.locus = NULL;
+ text.abstract_origin = NULL;
pp_format_verbatim (global_dc->printer, &text);
pp_flush (global_dc->printer);
va_end (ap);
va_start (ap, gmsgid);
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location,
- pedantic_error_kind ());
+ pedantic_warning_kind ());
report_diagnostic (&diagnostic);
va_end (ap);
}
+/* A "permissive" error: issues an error unless -fpermissive was given
+ on the command line, in which case it issues a warning. Use this
+ for things that really should be errors but we want to support
+ legacy code. */
+
+void
+permerror (const char *gmsgid, ...)
+{
+ diagnostic_info diagnostic;
+ va_list ap;
+
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location,
+ permissive_error_kind ());
+ diagnostic.option_index = OPT_fpermissive;
+ report_diagnostic (&diagnostic);
+ va_end (ap);
+}
+
+
/* A hard error: the code is definitely ill-formed, and an object file
will not be produced. */
void