/* Language-independent diagnostic subroutines for the GNU Compiler Collection
Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
- 2009 Free Software Foundation, Inc.
+ 2009, 2010 Free Software Foundation, Inc.
Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
This file is part of GCC.
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 "version.h"
-#include "tm_p.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"
/* 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 void diagnostic_action_after_output (diagnostic_context *,
context->printer->wrapping.rule = DIAGNOSTICS_SHOW_PREFIX_ONCE;
memset (context->diagnostic_count, 0, sizeof context->diagnostic_count);
- context->issue_warnings_are_errors_message = true;
+ context->some_warnings_are_errors = false;
context->warning_as_error_requested = false;
memset (context->classify_diagnostic, DK_UNSPECIFIED,
sizeof context->classify_diagnostic);
diagnostic_starter (context) = default_diagnostic_starter;
diagnostic_finalizer (context) = default_diagnostic_finalizer;
context->last_module = 0;
- context->last_function = NULL;
+ context->x_data = NULL;
context->lock = 0;
+ context->inhibit_notes_p = false;
+}
+
+/* Do any cleaning up required after the last diagnostic is emitted. */
+
+void
+diagnostic_finish (diagnostic_context *context)
+{
+ /* Some of the errors may actually have been warnings. */
+ if (context->some_warnings_are_errors)
+ {
+ /* -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);
+ }
}
/* Initialize DIAGNOSTIC, where the message MSG has already been
if (flag_fatal_errors)
{
fnotice (stderr, "compilation terminated due to -Wfatal-errors.\n");
+ diagnostic_finish (context);
exit (FATAL_EXIT_CODE);
}
break;
case DK_FATAL:
if (context->abort_on_error)
real_abort ();
-
+ diagnostic_finish (context);
fnotice (stderr, "compilation terminated.\n");
exit (FATAL_EXIT_CODE);
}
}
-/* 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_info *diagnostic)
-{
- diagnostic_report_current_module (context);
- lang_hooks.print_error_function (context, input_filename, diagnostic);
-}
-
void
diagnostic_report_current_module (diagnostic_context *context)
{
}
}
-static void
+void
default_diagnostic_starter (diagnostic_context *context,
diagnostic_info *diagnostic)
{
- diagnostic_report_current_function (context, diagnostic);
+ 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)
{
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. */
bool
diagnostic_info *diagnostic)
{
location_t location = diagnostic->location;
- bool maybe_print_warnings_as_errors_message = false;
+ diagnostic_t orig_diag_kind = diagnostic->kind;
const char *saved_format_spec;
/* Give preference to being able to inhibit warnings, before they
&& !diagnostic_report_warnings_p (location))
return false;
- if (diagnostic->kind == DK_PEDWARN)
- diagnostic->kind = pedantic_warning_kind ();
-
+ if (diagnostic->kind == DK_PEDWARN)
+ {
+ 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,
&& 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
if (context->classify_diagnostic[diagnostic->option_index] != DK_UNSPECIFIED)
{
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. */
return false;
}
- /* 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;
- }
+ if (orig_diag_kind == DK_WARNING && diagnostic->kind == DK_ERROR)
+ context->some_warnings_are_errors = true;
context->lock++;
dump_active_plugins (stderr);
}
- if (diagnostic->kind == DK_ICE)
+ if (diagnostic->kind == DK_ICE)
{
#ifndef ENABLE_CHECKING
/* When not checking, ICEs are converted to fatal errors when an
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));
-
+ 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.abstract_origin = &diagnostic->abstract_origin;
- diagnostic->abstract_origin = NULL;
+ 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);
pp_flush (context->printer);
diagnostic_action_after_output (context, diagnostic);
diagnostic->message.format_spec = saved_format_spec;
- diagnostic->abstract_origin = NULL;
+ diagnostic->x_data = NULL;
context->lock--;
text.args_ptr = ≈
text.format_spec = _(gmsgid);
text.locus = NULL;
- text.abstract_origin = NULL;
+ text.x_data = NULL;
pp_format_verbatim (global_dc->printer, &text);
pp_flush (global_dc->printer);
va_end (ap);
}
bool
-emit_diagnostic (diagnostic_t kind, location_t location, int opt,
+emit_diagnostic (diagnostic_t kind, location_t location, int opt,
const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_end (ap);
}
+/* An informative note at LOCATION. Use this for additional details on an
+ error message. */
+void
+inform_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_NOTE);
+ report_diagnostic (&diagnostic);
+ va_end (ap);
+}
+
/* 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.
+ 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, ...)
va_end (ap);
}
+/* A hard error: the code is definitely ill-formed, and an object file
+ will not be produced. */
+void
+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, ...)
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