/* Language-independent diagnostic subroutines for the GNU Compiler Collection
- Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
+ 2009, 2010 Free Software Foundation, Inc.
Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
This file is part of GCC.
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, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, 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
message module. */
#include "config.h"
-#undef FLOAT /* This is for hpux. They should change hpux. */
-#undef FFS /* Some systems define this in param.h. */
#include "system.h"
#include "coretypes.h"
-#include "tm.h"
-#include "tree.h"
-#include "tm_p.h"
+#include "version.h"
#include "flags.h"
#include "input.h"
#include "toplev.h"
#include "intl.h"
#include "diagnostic.h"
-#include "langhooks.h"
-#include "langhooks-def.h"
+#include "opts.h"
+#include "plugin.h"
+#define pedantic_warning_kind() (flag_pedantic_errors ? DK_ERROR : DK_WARNING)
+#define permissive_error_kind() (flag_permissive ? DK_WARNING : DK_ERROR)
/* Prototypes. */
static char *build_message_string (const char *, ...) ATTRIBUTE_PRINTF_1;
-static void default_diagnostic_starter (diagnostic_context *,
- diagnostic_info *);
-static void default_diagnostic_finalizer (diagnostic_context *,
- diagnostic_info *);
-
static void error_recursion (diagnostic_context *) ATTRIBUTE_NORETURN;
-static bool text_specifies_location (text_info *, location_t *);
-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;
-extern int rtl_dump_and_exit;
-
/* A diagnostic_context surrogate for stderr. */
static diagnostic_context global_diagnostic_context;
diagnostic_context *global_dc = &global_diagnostic_context;
-/* Boilerplate text used in two locations. */
-#define bug_report_request \
-"Please submit a full bug report,\n\
-with preprocessed source if appropriate.\n\
-See %s for instructions.\n"
-
\f
/* Return a malloc'd string containing MSG formatted a la printf. The
caller is responsible for freeing the memory. */
{
/* Allocate a basic pretty-printer. Clients will replace this a
much more elaborated pretty-printer if they wish. */
- context->printer = xmalloc (sizeof (pretty_printer));
+ context->printer = XNEW (pretty_printer);
pp_construct (context->printer, NULL, 0);
/* By default, diagnostics are sent to stderr. */
context->printer->buffer->stream = stderr;
/* By default, we emit prefixes once per message. */
- context->printer->prefixing_rule = DIAGNOSTICS_SHOW_PREFIX_ONCE;
+ context->printer->wrapping.rule = DIAGNOSTICS_SHOW_PREFIX_ONCE;
memset (context->diagnostic_count, 0, sizeof context->diagnostic_count);
- context->warnings_are_errors_message = warnings_are_errors;
+ context->some_warnings_are_errors = false;
+ context->warning_as_error_requested = false;
+ memset (context->classify_diagnostic, DK_UNSPECIFIED,
+ sizeof context->classify_diagnostic);
+ context->show_option_requested = false;
context->abort_on_error = false;
context->internal_error = NULL;
diagnostic_starter (context) = default_diagnostic_starter;
diagnostic_finalizer (context) = default_diagnostic_finalizer;
context->last_module = 0;
- context->last_function = NULL;
- context->lock = 0;
context->x_data = NULL;
+ context->lock = 0;
+ context->inhibit_notes_p = false;
}
-/* Returns true if the next format specifier in TEXT is a format specifier
- for a location_t. If so, update the object pointed by LOCUS to reflect
- the specified location in *TEXT->args_ptr. */
-static bool
-text_specifies_location (text_info *text, location_t *locus)
-{
- const char *p;
- /* Skip any leading text. */
- for (p = text->format_spec; *p && *p != '%'; ++p)
- ;
+/* Do any cleaning up required after the last diagnostic is emitted. */
- /* Extract the location information if any. */
- if (*p == '%' && *++p == 'H')
+void
+diagnostic_finish (diagnostic_context *context)
+{
+ /* Some of the errors may actually have been warnings. */
+ if (context->some_warnings_are_errors)
{
- *locus = *va_arg (*text->args_ptr, location_t *);
- text->format_spec = p + 1;
- return true;
+ /* -Werror was given. */
+ if (context->warning_as_error_requested)
+ pp_verbatim (context->printer,
+ _("%s: all warnings being treated as errors\n"),
+ progname);
+ /* At least one -Werror= was given. */
+ else
+ pp_verbatim (context->printer,
+ _("%s: some warnings being treated as errors\n"),
+ progname);
+ pp_flush (context->printer);
}
-
- return false;
}
+/* Initialize DIAGNOSTIC, where the message MSG has already been
+ translated. */
void
-diagnostic_set_info (diagnostic_info *diagnostic, const char *msgid,
- va_list *args, location_t location,
- diagnostic_t kind)
+diagnostic_set_info_translated (diagnostic_info *diagnostic, const char *msg,
+ va_list *args, location_t location,
+ diagnostic_t kind)
{
diagnostic->message.err_no = errno;
diagnostic->message.args_ptr = args;
- diagnostic->message.format_spec = _(msgid);
- /* If the diagnostic message doesn't specify a location,
- use LOCATION. */
- if (!text_specifies_location (&diagnostic->message, &diagnostic->location))
- diagnostic->location = location;
+ diagnostic->message.format_spec = msg;
+ diagnostic->location = location;
+ diagnostic->override_column = 0;
diagnostic->kind = kind;
+ diagnostic->option_index = 0;
+}
+
+/* Initialize DIAGNOSTIC, where the message GMSGID has not yet been
+ translated. */
+void
+diagnostic_set_info (diagnostic_info *diagnostic, const char *gmsgid,
+ va_list *args, location_t location,
+ diagnostic_t kind)
+{
+ diagnostic_set_info_translated (diagnostic, _(gmsgid), args, location, kind);
}
/* Return a malloc'd string describing a location. The caller is
#undef DEFINE_DIAGNOSTIC_KIND
"must-not-happen"
};
- if (diagnostic->kind >= DK_LAST_DIAGNOSTIC_KIND)
- abort();
-
- return diagnostic->location.file
- ? build_message_string ("%s:%d: %s",
- diagnostic->location.file,
- diagnostic->location.line,
- _(diagnostic_kind_text[diagnostic->kind]))
- : build_message_string ("%s: %s", progname,
- _(diagnostic_kind_text[diagnostic->kind]));
-}
-
-/* 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:
- abort();
- break;
-
- 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)
- {
- fnotice (stderr, "%s:%d: confused by earlier errors, bailing out\n",
- diagnostic->location.file, diagnostic->location.line);
- exit (FATAL_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;
-
- if (!warnings_are_errors)
- {
- ++diagnostic_kind_count (context, DK_WARNING);
- break;
- }
-
- if (context->warnings_are_errors_message)
- {
- pp_verbatim (context->printer,
- "%s: warnings being treated as errors\n", progname);
- context->warnings_are_errors_message = false;
- }
-
- /* And fall through. */
- case DK_ERROR:
- ++diagnostic_kind_count (context, DK_ERROR);
- break;
- }
-
- return true;
+ const char *text = _(diagnostic_kind_text[diagnostic->kind]);
+ expanded_location s = expand_location (diagnostic->location);
+ if (diagnostic->override_column)
+ s.column = diagnostic->override_column;
+ gcc_assert (diagnostic->kind < DK_LAST_DIAGNOSTIC_KIND);
+
+ return
+ (s.file == NULL
+ ? build_message_string ("%s: %s", progname, text)
+ : flag_show_column
+ ? build_message_string ("%s:%d:%d: %s", s.file, s.line, s.column, text)
+ : build_message_string ("%s:%d: %s", s.file, s.line, text));
}
/* Take any action which is expected to happen after the diagnostic
case DK_SORRY:
if (context->abort_on_error)
real_abort ();
+ if (flag_fatal_errors)
+ {
+ fnotice (stderr, "compilation terminated due to -Wfatal-errors.\n");
+ diagnostic_finish (context);
+ exit (FATAL_EXIT_CODE);
+ }
break;
case DK_ICE:
if (context->abort_on_error)
real_abort ();
- fnotice (stderr, bug_report_request, bug_report_url);
- exit (FATAL_EXIT_CODE);
+ fnotice (stderr, "Please submit a full bug report,\n"
+ "with preprocessed source if appropriate.\n"
+ "See %s for instructions.\n", bug_report_url);
+ exit (ICE_EXIT_CODE);
case DK_FATAL:
if (context->abort_on_error)
real_abort ();
-
+ diagnostic_finish (context);
fnotice (stderr, "compilation terminated.\n");
exit (FATAL_EXIT_CODE);
default:
- real_abort ();
- }
-}
-
-/* Called when the start of a function definition is parsed,
- this function prints on stderr the name of the function. */
-void
-announce_function (tree decl)
-{
- if (!quiet_flag)
- {
- if (rtl_dump_and_exit)
- verbatim ("%s ", IDENTIFIER_POINTER (DECL_NAME (decl)));
- else
- verbatim (" %s", (*lang_hooks.decl_printable_name) (decl, 2));
- fflush (stderr);
- global_dc->printer->need_newline = true;
- diagnostic_set_last_function (global_dc);
+ gcc_unreachable ();
}
}
-/* The default function to print out name of current function that caused
- an error. */
-void
-lhd_print_error_function (diagnostic_context *context, const char *file)
-{
- if (diagnostic_last_function_changed (context))
- {
- const char *old_prefix = context->printer->prefix;
- char *new_prefix = file ? build_message_string ("%s: ", file) : NULL;
-
- pp_set_prefix (context->printer, new_prefix);
-
- if (current_function_decl == NULL)
- pp_string (context->printer, _("At top level:"));
- else
- {
- if (TREE_CODE (TREE_TYPE (current_function_decl)) == METHOD_TYPE)
- pp_printf
- (context->printer, "In member function `%s':",
- (*lang_hooks.decl_printable_name) (current_function_decl, 2));
- else
- pp_printf
- (context->printer, "In function `%s':",
- (*lang_hooks.decl_printable_name) (current_function_decl, 2));
- }
- pp_newline (context->printer);
-
- diagnostic_set_last_function (context);
- pp_flush (context->printer);
- context->printer->prefix = old_prefix;
- free ((char*) new_prefix);
- }
-}
-
-/* Prints out, if necessary, the name of the current function
- that caused an error. Called from all error and warning functions.
- We ignore the FILE parameter, as it cannot be relied upon. */
-
-void
-diagnostic_report_current_function (diagnostic_context *context)
-{
- diagnostic_report_current_module (context);
- (*lang_hooks.print_error_function) (context, input_filename);
-}
-
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;
}
- if (input_file_stack && 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))
{
- p = input_file_stack;
- pp_verbatim (context->printer,
- "In file included from %s:%d",
- p->location.file, p->location.line);
- while ((p = p->next) != NULL)
- pp_verbatim (context->printer,
- ",\n from %s:%d",
- p->location.file, p->location.line);
- pp_verbatim (context->printer, ":\n");
- diagnostic_set_last_module (context);
+ diagnostic_set_last_module (context, map);
+ if (! MAIN_FILE_P (map))
+ {
+ map = INCLUDED_FROM (line_table, map);
+ if (flag_show_column)
+ pp_verbatim (context->printer,
+ "In file included from %s:%d:%d",
+ map->to_file,
+ LAST_SOURCE_LINE (map), LAST_SOURCE_COLUMN (map));
+ else
+ pp_verbatim (context->printer,
+ "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);
+ }
}
}
-static void
+void
default_diagnostic_starter (diagnostic_context *context,
diagnostic_info *diagnostic)
{
- diagnostic_report_current_function (context);
+ diagnostic_report_current_module (context);
pp_set_prefix (context->printer, diagnostic_build_prefix (diagnostic));
}
-static void
+void
default_diagnostic_finalizer (diagnostic_context *context,
- diagnostic_info *diagnostic __attribute__((unused)))
+ diagnostic_info *diagnostic ATTRIBUTE_UNUSED)
{
pp_destroy_prefix (context->printer);
}
+/* Interface to specify diagnostic kind overrides. Returns the
+ previous setting, or DK_UNSPECIFIED if the parameters are out of
+ range. */
+diagnostic_t
+diagnostic_classify_diagnostic (diagnostic_context *context,
+ int option_index,
+ diagnostic_t new_kind)
+{
+ diagnostic_t old_kind;
+
+ if (option_index <= 0
+ || option_index >= N_OPTS
+ || new_kind >= DK_LAST_DIAGNOSTIC_KIND)
+ return DK_UNSPECIFIED;
+
+ old_kind = context->classify_diagnostic[option_index];
+ context->classify_diagnostic[option_index] = new_kind;
+ return old_kind;
+}
+
/* Report a diagnostic message (an error or a warning) as specified by
DC. This function is *the* subroutine in terms of which front-ends
should implement their specific diagnostic handling modules. The
front-end independent format specifiers are exactly those described
- in the documentation of output_format. */
+ in the documentation of output_format.
+ Return true if a diagnostic was printed, false otherwise. */
-void
+bool
diagnostic_report_diagnostic (diagnostic_context *context,
diagnostic_info *diagnostic)
{
- if (context->lock++ && diagnostic->kind < DK_SORRY)
- error_recursion (context);
+ location_t location = diagnostic->location;
+ diagnostic_t orig_diag_kind = diagnostic->kind;
+ const char *saved_format_spec;
- if (diagnostic_count_diagnostic (context, diagnostic))
+ /* Give preference to being able to inhibit warnings, before they
+ get reclassified to something else. */
+ if ((diagnostic->kind == DK_WARNING || diagnostic->kind == DK_PEDWARN)
+ && !diagnostic_report_warnings_p (location))
+ return false;
+
+ if (diagnostic->kind == DK_PEDWARN)
{
- (*diagnostic_starter (context)) (context, diagnostic);
- pp_format_text (context->printer, &diagnostic->message);
- (*diagnostic_finalizer (context)) (context, diagnostic);
- pp_flush (context->printer);
- diagnostic_action_after_output (context, diagnostic);
+ diagnostic->kind = pedantic_warning_kind ();
+ /* We do this to avoid giving the message for -pedantic-errors. */
+ orig_diag_kind = diagnostic->kind;
+ }
+
+ if (diagnostic->kind == DK_NOTE && context->inhibit_notes_p)
+ return false;
+
+ if (context->lock > 0)
+ {
+ /* If we're reporting an ICE in the middle of some other error,
+ try to flush out the previous error, then let this one
+ through. Don't do this more than once. */
+ if (diagnostic->kind == DK_ICE && context->lock == 1)
+ pp_flush (context->printer);
+ else
+ 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;
}
+ if (diagnostic->option_index)
+ {
+ /* This tests if the user provided the appropriate -Wfoo or
+ -Wno-foo option. */
+ if (! option_enabled (diagnostic->option_index))
+ return false;
+ /* 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];
+ }
+ /* This allows for future extensions, like temporarily disabling
+ warnings for ranges of source code. */
+ if (diagnostic->kind == DK_IGNORED)
+ return false;
+ }
+
+ if (orig_diag_kind == DK_WARNING && diagnostic->kind == DK_ERROR)
+ context->some_warnings_are_errors = true;
+
+ context->lock++;
+
+ if (diagnostic->kind == DK_ICE && plugins_active_p ())
+ {
+ fnotice (stderr, "*** WARNING *** there are active plugins, do not report"
+ " this as a bug unless you can reproduce it without enabling"
+ " any plugins.\n");
+ dump_active_plugins (stderr);
+ }
+
+ if (diagnostic->kind == 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);
+ }
+ ++diagnostic_kind_count (context, diagnostic->kind);
+
+ saved_format_spec = diagnostic->message.format_spec;
+ if (context->show_option_requested)
+ {
+ const char * option_text = NULL;
+
+ if (diagnostic->option_index)
+ {
+ /* A warning classified as an error. */
+ if ((orig_diag_kind == DK_WARNING || orig_diag_kind == DK_PEDWARN)
+ && diagnostic->kind == DK_ERROR)
+ option_text
+ = ACONCAT ((cl_options[OPT_Werror_].opt_text,
+ /* Skip over "-W". */
+ cl_options[diagnostic->option_index].opt_text + 2,
+ NULL));
+ /* A warning with option. */
+ else
+ option_text = cl_options[diagnostic->option_index].opt_text;
+ }
+ /* A warning without option classified as an error. */
+ else if (orig_diag_kind == DK_WARNING || orig_diag_kind == DK_PEDWARN
+ || diagnostic->kind == DK_WARNING)
+ {
+ if (context->warning_as_error_requested)
+ option_text = cl_options[OPT_Werror].opt_text;
+ else
+ option_text = _("enabled by default");
+ }
+
+ if (option_text)
+ diagnostic->message.format_spec
+ = ACONCAT ((diagnostic->message.format_spec,
+ " ",
+ "[", option_text, "]",
+ NULL));
+ }
+ diagnostic->message.locus = &diagnostic->location;
+ diagnostic->message.x_data = &diagnostic->x_data;
+ diagnostic->x_data = 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->x_data = NULL;
+
context->lock--;
+
+ return true;
}
/* Given a partial pathname as input, return another pathname that
/* First skip any "../" in each filename. This allows us to give a proper
reference to a file in a subdirectory. */
- while (p[0] == '.' && p[1] == '.'
- && (p[2] == DIR_SEPARATOR
-#ifdef DIR_SEPARATOR_2
- || p[2] == DIR_SEPARATOR_2
-#endif
- ))
+ while (p[0] == '.' && p[1] == '.' && IS_DIR_SEPARATOR (p[2]))
p += 3;
- while (q[0] == '.' && q[1] == '.'
- && (q[2] == DIR_SEPARATOR
-#ifdef DIR_SEPARATOR_2
- || p[2] == DIR_SEPARATOR_2
-#endif
- ))
+ while (q[0] == '.' && q[1] == '.' && IS_DIR_SEPARATOR (q[2]))
q += 3;
/* Now skip any parts the two filenames have in common. */
p++, q++;
/* Now go backwards until the previous directory separator. */
- while (p > name && p[-1] != DIR_SEPARATOR
-#ifdef DIR_SEPARATOR_2
- && p[-1] != DIR_SEPARATOR_2
-#endif
- )
+ while (p > name && !IS_DIR_SEPARATOR (p[-1]))
p--;
return p;
/* Text to be emitted verbatim to the error message stream; this
produces no prefix and disables line-wrapping. Use rarely. */
void
-verbatim (const char *msgid, ...)
+verbatim (const char *gmsgid, ...)
{
text_info text;
va_list ap;
- va_start (ap, msgid);
+ va_start (ap, gmsgid);
text.err_no = errno;
text.args_ptr = ≈
- text.format_spec = _(msgid);
+ text.format_spec = _(gmsgid);
+ text.locus = NULL;
+ text.x_data = NULL;
pp_format_verbatim (global_dc->printer, &text);
pp_flush (global_dc->printer);
va_end (ap);
}
-/* An informative note. Use this for additional details on an error
+bool
+emit_diagnostic (diagnostic_t kind, location_t location, int opt,
+ const char *gmsgid, ...)
+{
+ diagnostic_info diagnostic;
+ va_list ap;
+
+ va_start (ap, gmsgid);
+ if (kind == DK_PERMERROR)
+ {
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, location,
+ permissive_error_kind ());
+ diagnostic.option_index = OPT_fpermissive;
+ }
+ else {
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, location, kind);
+ if (kind == DK_WARNING || kind == DK_PEDWARN)
+ diagnostic.option_index = opt;
+ }
+ va_end (ap);
+
+ return report_diagnostic (&diagnostic);
+}
+
+/* An informative note at LOCATION. Use this for additional details on an error
message. */
void
-inform (const char *msgid, ...)
+inform (location_t location, const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_location, DK_NOTE);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, location, DK_NOTE);
report_diagnostic (&diagnostic);
va_end (ap);
}
-/* A warning. Use this for code which is correct according to the
- relevant language specification but is likely to be buggy anyway. */
+/* An informative note at LOCATION. Use this for additional details on an
+ error message. */
void
-warning (const char *msgid, ...)
+inform_n (location_t location, int n, const char *singular_gmsgid,
+ const char *plural_gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_location, DK_WARNING);
+ va_start (ap, plural_gmsgid);
+ diagnostic_set_info_translated (&diagnostic,
+ ngettext (singular_gmsgid, plural_gmsgid, n),
+ &ap, location, DK_NOTE);
report_diagnostic (&diagnostic);
va_end (ap);
}
-/* A "pedantic" warning: issues a warning unless -pedantic-errors was
- given on the command line, in which case it issues an error. Use
- this for diagnostics required by the relevant language standard,
- if you have chosen not to make them errors.
+/* A warning at INPUT_LOCATION. Use this for code which is correct according
+ to the relevant language specification but is likely to be buggy anyway.
+ Returns true if the warning was printed, false if it was inhibited. */
+bool
+warning (int opt, const char *gmsgid, ...)
+{
+ diagnostic_info diagnostic;
+ va_list ap;
+
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_WARNING);
+ diagnostic.option_index = opt;
+
+ va_end (ap);
+ return report_diagnostic (&diagnostic);
+}
+
+/* A warning at LOCATION. Use this for code which is correct according to the
+ relevant language specification but is likely to be buggy anyway.
+ Returns true if the warning was printed, false if it was inhibited. */
+
+bool
+warning_at (location_t location, int opt, const char *gmsgid, ...)
+{
+ diagnostic_info diagnostic;
+ va_list ap;
+
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, location, DK_WARNING);
+ diagnostic.option_index = opt;
+ va_end (ap);
+ return report_diagnostic (&diagnostic);
+}
+
+/* A "pedantic" warning at LOCATION: issues a warning unless
+ -pedantic-errors was given on the command line, in which case it
+ issues an error. Use this for diagnostics required by the relevant
+ language standard, if you have chosen not to make them errors.
Note that these diagnostics are issued independent of the setting
of the -pedantic command-line switch. To get a warning enabled
- only with that switch, write "if (pedantic) pedwarn (...);" */
+ only with that switch, use either "if (pedantic) pedwarn
+ (OPT_pedantic,...)" or just "pedwarn (OPT_pedantic,..)". To get a
+ pedwarn independently of the -pedantic switch use "pedwarn (0,...)".
+
+ Returns true if the warning was printed, false if it was inhibited. */
+
+bool
+pedwarn (location_t location, int opt, const char *gmsgid, ...)
+{
+ diagnostic_info diagnostic;
+ va_list ap;
+
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, location, DK_PEDWARN);
+ diagnostic.option_index = opt;
+ va_end (ap);
+ return report_diagnostic (&diagnostic);
+}
+
+/* A "permissive" error at LOCATION: 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.
+
+ Returns true if the warning was printed, false if it was inhibited. */
+
+bool
+permerror (location_t location, const char *gmsgid, ...)
+{
+ diagnostic_info diagnostic;
+ va_list ap;
+
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, location,
+ permissive_error_kind ());
+ diagnostic.option_index = OPT_fpermissive;
+ va_end (ap);
+ return report_diagnostic (&diagnostic);
+}
+
+/* A hard error: the code is definitely ill-formed, and an object file
+ will not be produced. */
void
-pedwarn (const char *msgid, ...)
+error (const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_location,
- pedantic_error_kind ());
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_ERROR);
report_diagnostic (&diagnostic);
va_end (ap);
}
/* A hard error: the code is definitely ill-formed, and an object file
will not be produced. */
void
-error (const char *msgid, ...)
+error_n (location_t location, int n, const char *singular_gmsgid,
+ const char *plural_gmsgid, ...)
+{
+ diagnostic_info diagnostic;
+ va_list ap;
+
+ va_start (ap, plural_gmsgid);
+ diagnostic_set_info_translated (&diagnostic,
+ ngettext (singular_gmsgid, plural_gmsgid, n),
+ &ap, location, DK_ERROR);
+ report_diagnostic (&diagnostic);
+ va_end (ap);
+}
+
+/* Same as ebove, but use location LOC instead of input_location. */
+void
+error_at (location_t loc, const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_location, DK_ERROR);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, loc, DK_ERROR);
report_diagnostic (&diagnostic);
va_end (ap);
}
required by the relevant specification but not implemented by GCC.
An object file will not be produced. */
void
-sorry (const char *msgid, ...)
+sorry (const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_location, DK_SORRY);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_SORRY);
report_diagnostic (&diagnostic);
va_end (ap);
}
continue. Do not use this for internal consistency checks; that's
internal_error. Use of this function should be rare. */
void
-fatal_error (const char *msgid, ...)
+fatal_error (const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_location, DK_FATAL);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_FATAL);
report_diagnostic (&diagnostic);
va_end (ap);
- /* NOTREACHED */
- real_abort ();
+ gcc_unreachable ();
}
/* An internal consistency check has failed. We make no attempt to
a more specific message, or some other good reason, you should use
abort () instead of calling this function directly. */
void
-internal_error (const char *msgid, ...)
+internal_error (const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_location, DK_ICE);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_ICE);
report_diagnostic (&diagnostic);
va_end (ap);
- /* NOTREACHED */
- real_abort ();
+ gcc_unreachable ();
}
\f
/* Special case error functions. Most are implemented in terms of the
/* Print a diagnostic MSGID on FILE. This is just fprintf, except it
runs its second argument through gettext. */
void
-fnotice (FILE *file, const char *msgid, ...)
+fnotice (FILE *file, const char *cmsgid, ...)
{
va_list ap;
- va_start (ap, msgid);
- vfprintf (file, _(msgid), ap);
+ va_start (ap, cmsgid);
+ vfprintf (file, _(cmsgid), ap);
va_end (ap);
}
-/* Warn about a use of an identifier which was marked deprecated. */
-void
-warn_deprecated_use (tree node)
-{
- if (node == 0 || !warn_deprecated_decl)
- return;
-
- if (DECL_P (node))
- warning ("`%s' is deprecated (declared at %s:%d)",
- IDENTIFIER_POINTER (DECL_NAME (node)),
- DECL_SOURCE_FILE (node), DECL_SOURCE_LINE (node));
- else if (TYPE_P (node))
- {
- const char *what = NULL;
- tree decl = TYPE_STUB_DECL (node);
-
- if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
- what = IDENTIFIER_POINTER (TYPE_NAME (node));
- else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
- && DECL_NAME (TYPE_NAME (node)))
- what = IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node)));
-
- if (what)
- {
- if (decl)
- warning ("`%s' is deprecated (declared at %s:%d)", what,
- DECL_SOURCE_FILE (decl), DECL_SOURCE_LINE (decl));
- else
- warning ("`%s' is deprecated", what);
- }
- else if (decl)
- warning ("type is deprecated (declared at %s:%d)",
- DECL_SOURCE_FILE (decl), DECL_SOURCE_LINE (decl));
- else
- warning ("type is deprecated");
- }
-}
-
/* Inform the user that an error occurred while trying to report some
other error. This indicates catastrophic internal inconsistencies,
so give up now. But do try to flush out the previous error.
static void
error_recursion (diagnostic_context *context)
{
+ diagnostic_info diagnostic;
+
if (context->lock < 3)
pp_flush (context->printer);
fnotice (stderr,
"Internal compiler error: Error reporting routines re-entered.\n");
- fnotice (stderr, bug_report_request, bug_report_url);
- exit (FATAL_EXIT_CODE);
+
+ /* Call diagnostic_action_after_output to get the "please submit a bug
+ report" message. It only looks at the kind field of diagnostic_info. */
+ diagnostic.kind = DK_ICE;
+ diagnostic_action_after_output (context, &diagnostic);
+
+ /* Do not use gcc_unreachable here; that goes through internal_error
+ and therefore would cause infinite recursion. */
+ real_abort ();
}
/* Report an internal compiler error in a friendly manner. This is
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