/* Language-independent diagnostic subroutines for the GNU Compiler Collection
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/* Language-independent diagnostic subroutines for the GNU Compiler Collection
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Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
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Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
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Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
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This file is part of GCC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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Software Foundation; either version 3, or (at your option) any later
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version.
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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/* This file implements the language independent aspect of diagnostic
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/* This file implements the language independent aspect of diagnostic
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message module. */
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message module. */
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#include "config.h"
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#include "config.h"
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#undef FLOAT /* This is for hpux. They should change hpux. */
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#undef FLOAT /* This is for hpux. They should change hpux. */
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#undef FFS /* Some systems define this in param.h. */
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#undef FFS /* Some systems define this in param.h. */
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#include "system.h"
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#include "system.h"
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#include "coretypes.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "tm.h"
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#include "tree.h"
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#include "tree.h"
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#include "version.h"
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#include "version.h"
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#include "tm_p.h"
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#include "tm_p.h"
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#include "flags.h"
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#include "flags.h"
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#include "input.h"
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#include "input.h"
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#include "toplev.h"
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#include "toplev.h"
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#include "intl.h"
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#include "intl.h"
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#include "diagnostic.h"
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#include "diagnostic.h"
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#include "langhooks.h"
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#include "langhooks.h"
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#include "langhooks-def.h"
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#include "langhooks-def.h"
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#include "opts.h"
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#include "opts.h"
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/* Prototypes. */
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/* Prototypes. */
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static char *build_message_string (const char *, ...) ATTRIBUTE_PRINTF_1;
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static char *build_message_string (const char *, ...) ATTRIBUTE_PRINTF_1;
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static void default_diagnostic_starter (diagnostic_context *,
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static void default_diagnostic_starter (diagnostic_context *,
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diagnostic_info *);
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diagnostic_info *);
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static void default_diagnostic_finalizer (diagnostic_context *,
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static void default_diagnostic_finalizer (diagnostic_context *,
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diagnostic_info *);
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diagnostic_info *);
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|
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static void error_recursion (diagnostic_context *) ATTRIBUTE_NORETURN;
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static void error_recursion (diagnostic_context *) ATTRIBUTE_NORETURN;
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static bool diagnostic_count_diagnostic (diagnostic_context *,
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static bool diagnostic_count_diagnostic (diagnostic_context *,
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diagnostic_info *);
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diagnostic_info *);
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static void diagnostic_action_after_output (diagnostic_context *,
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static void diagnostic_action_after_output (diagnostic_context *,
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diagnostic_info *);
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diagnostic_info *);
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static void real_abort (void) ATTRIBUTE_NORETURN;
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static void real_abort (void) ATTRIBUTE_NORETURN;
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|
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/* A diagnostic_context surrogate for stderr. */
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/* A diagnostic_context surrogate for stderr. */
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static diagnostic_context global_diagnostic_context;
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static diagnostic_context global_diagnostic_context;
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diagnostic_context *global_dc = &global_diagnostic_context;
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diagnostic_context *global_dc = &global_diagnostic_context;
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/* Return a malloc'd string containing MSG formatted a la printf. The
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/* Return a malloc'd string containing MSG formatted a la printf. The
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caller is responsible for freeing the memory. */
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caller is responsible for freeing the memory. */
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static char *
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static char *
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build_message_string (const char *msg, ...)
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build_message_string (const char *msg, ...)
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{
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{
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char *str;
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char *str;
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va_list ap;
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va_list ap;
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|
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va_start (ap, msg);
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va_start (ap, msg);
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vasprintf (&str, msg, ap);
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vasprintf (&str, msg, ap);
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va_end (ap);
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va_end (ap);
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return str;
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return str;
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}
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}
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/* Same as diagnostic_build_prefix, but only the source FILE is given. */
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/* Same as diagnostic_build_prefix, but only the source FILE is given. */
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char *
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char *
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file_name_as_prefix (const char *f)
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file_name_as_prefix (const char *f)
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{
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{
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return build_message_string ("%s: ", f);
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return build_message_string ("%s: ", f);
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}
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}
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/* Initialize the diagnostic message outputting machinery. */
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/* Initialize the diagnostic message outputting machinery. */
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void
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void
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diagnostic_initialize (diagnostic_context *context)
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diagnostic_initialize (diagnostic_context *context)
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{
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{
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/* Allocate a basic pretty-printer. Clients will replace this a
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/* Allocate a basic pretty-printer. Clients will replace this a
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much more elaborated pretty-printer if they wish. */
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much more elaborated pretty-printer if they wish. */
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context->printer = XNEW (pretty_printer);
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context->printer = XNEW (pretty_printer);
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pp_construct (context->printer, NULL, 0);
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pp_construct (context->printer, NULL, 0);
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/* By default, diagnostics are sent to stderr. */
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/* By default, diagnostics are sent to stderr. */
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context->printer->buffer->stream = stderr;
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context->printer->buffer->stream = stderr;
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/* By default, we emit prefixes once per message. */
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/* By default, we emit prefixes once per message. */
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context->printer->wrapping.rule = DIAGNOSTICS_SHOW_PREFIX_ONCE;
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context->printer->wrapping.rule = DIAGNOSTICS_SHOW_PREFIX_ONCE;
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memset (context->diagnostic_count, 0, sizeof context->diagnostic_count);
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memset (context->diagnostic_count, 0, sizeof context->diagnostic_count);
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context->issue_warnings_are_errors_message = true;
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context->issue_warnings_are_errors_message = true;
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context->warning_as_error_requested = false;
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context->warning_as_error_requested = false;
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memset (context->classify_diagnostic, DK_UNSPECIFIED,
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memset (context->classify_diagnostic, DK_UNSPECIFIED,
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sizeof context->classify_diagnostic);
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sizeof context->classify_diagnostic);
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context->show_option_requested = false;
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context->show_option_requested = false;
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context->abort_on_error = false;
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context->abort_on_error = false;
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context->internal_error = NULL;
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context->internal_error = NULL;
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diagnostic_starter (context) = default_diagnostic_starter;
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diagnostic_starter (context) = default_diagnostic_starter;
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diagnostic_finalizer (context) = default_diagnostic_finalizer;
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diagnostic_finalizer (context) = default_diagnostic_finalizer;
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context->last_module = 0;
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context->last_module = 0;
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context->last_function = NULL;
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context->last_function = NULL;
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context->lock = 0;
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context->lock = 0;
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}
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}
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/* Initialize DIAGNOSTIC, where the message MSG has already been
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/* Initialize DIAGNOSTIC, where the message MSG has already been
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translated. */
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translated. */
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void
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void
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diagnostic_set_info_translated (diagnostic_info *diagnostic, const char *msg,
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diagnostic_set_info_translated (diagnostic_info *diagnostic, const char *msg,
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va_list *args, location_t location,
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va_list *args, location_t location,
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diagnostic_t kind)
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diagnostic_t kind)
|
{
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{
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diagnostic->message.err_no = errno;
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diagnostic->message.err_no = errno;
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diagnostic->message.args_ptr = args;
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diagnostic->message.args_ptr = args;
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diagnostic->message.format_spec = msg;
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diagnostic->message.format_spec = msg;
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diagnostic->location = location;
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diagnostic->location = location;
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diagnostic->kind = kind;
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diagnostic->kind = kind;
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diagnostic->option_index = 0;
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diagnostic->option_index = 0;
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}
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}
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/* Initialize DIAGNOSTIC, where the message GMSGID has not yet been
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/* Initialize DIAGNOSTIC, where the message GMSGID has not yet been
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translated. */
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translated. */
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void
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void
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diagnostic_set_info (diagnostic_info *diagnostic, const char *gmsgid,
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diagnostic_set_info (diagnostic_info *diagnostic, const char *gmsgid,
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va_list *args, location_t location,
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va_list *args, location_t location,
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diagnostic_t kind)
|
diagnostic_t kind)
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{
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{
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diagnostic_set_info_translated (diagnostic, _(gmsgid), args, location, kind);
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diagnostic_set_info_translated (diagnostic, _(gmsgid), args, location, kind);
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}
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}
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|
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/* Return a malloc'd string describing a location. The caller is
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/* Return a malloc'd string describing a location. The caller is
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responsible for freeing the memory. */
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responsible for freeing the memory. */
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char *
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char *
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diagnostic_build_prefix (diagnostic_info *diagnostic)
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diagnostic_build_prefix (diagnostic_info *diagnostic)
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{
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{
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static const char *const diagnostic_kind_text[] = {
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static const char *const diagnostic_kind_text[] = {
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#define DEFINE_DIAGNOSTIC_KIND(K, T) (T),
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#define DEFINE_DIAGNOSTIC_KIND(K, T) (T),
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#include "diagnostic.def"
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#include "diagnostic.def"
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#undef DEFINE_DIAGNOSTIC_KIND
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#undef DEFINE_DIAGNOSTIC_KIND
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"must-not-happen"
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"must-not-happen"
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};
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};
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const char *text = _(diagnostic_kind_text[diagnostic->kind]);
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const char *text = _(diagnostic_kind_text[diagnostic->kind]);
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expanded_location s = expand_location (diagnostic->location);
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expanded_location s = expand_location (diagnostic->location);
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gcc_assert (diagnostic->kind < DK_LAST_DIAGNOSTIC_KIND);
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gcc_assert (diagnostic->kind < DK_LAST_DIAGNOSTIC_KIND);
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return
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return
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(s.file == NULL
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(s.file == NULL
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? build_message_string ("%s: %s", progname, text)
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? build_message_string ("%s: %s", progname, text)
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#ifdef USE_MAPPED_LOCATION
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#ifdef USE_MAPPED_LOCATION
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: flag_show_column && s.column != 0
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: flag_show_column && s.column != 0
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? build_message_string ("%s:%d:%d: %s", s.file, s.line, s.column, text)
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? build_message_string ("%s:%d:%d: %s", s.file, s.line, s.column, text)
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#endif
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#endif
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: build_message_string ("%s:%d: %s", s.file, s.line, text));
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: build_message_string ("%s:%d: %s", s.file, s.line, text));
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}
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}
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/* Count a diagnostic. Return true if the message should be printed. */
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/* Count a diagnostic. Return true if the message should be printed. */
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static bool
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static bool
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diagnostic_count_diagnostic (diagnostic_context *context,
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diagnostic_count_diagnostic (diagnostic_context *context,
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diagnostic_info *diagnostic)
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diagnostic_info *diagnostic)
|
{
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{
|
diagnostic_t kind = diagnostic->kind;
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diagnostic_t kind = diagnostic->kind;
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switch (kind)
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switch (kind)
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{
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{
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default:
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default:
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gcc_unreachable ();
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gcc_unreachable ();
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|
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case DK_ICE:
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case DK_ICE:
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#ifndef ENABLE_CHECKING
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#ifndef ENABLE_CHECKING
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/* When not checking, ICEs are converted to fatal errors when an
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/* When not checking, ICEs are converted to fatal errors when an
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error has already occurred. This is counteracted by
|
error has already occurred. This is counteracted by
|
abort_on_error. */
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abort_on_error. */
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if ((diagnostic_kind_count (context, DK_ERROR) > 0
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if ((diagnostic_kind_count (context, DK_ERROR) > 0
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|| diagnostic_kind_count (context, DK_SORRY) > 0)
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|| diagnostic_kind_count (context, DK_SORRY) > 0)
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&& !context->abort_on_error)
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&& !context->abort_on_error)
|
{
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{
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expanded_location s = expand_location (diagnostic->location);
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expanded_location s = expand_location (diagnostic->location);
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fnotice (stderr, "%s:%d: confused by earlier errors, bailing out\n",
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fnotice (stderr, "%s:%d: confused by earlier errors, bailing out\n",
|
s.file, s.line);
|
s.file, s.line);
|
exit (ICE_EXIT_CODE);
|
exit (ICE_EXIT_CODE);
|
}
|
}
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#endif
|
#endif
|
if (context->internal_error)
|
if (context->internal_error)
|
(*context->internal_error) (diagnostic->message.format_spec,
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(*context->internal_error) (diagnostic->message.format_spec,
|
diagnostic->message.args_ptr);
|
diagnostic->message.args_ptr);
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/* Fall through. */
|
/* Fall through. */
|
|
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case DK_FATAL: case DK_SORRY:
|
case DK_FATAL: case DK_SORRY:
|
case DK_ANACHRONISM: case DK_NOTE:
|
case DK_ANACHRONISM: case DK_NOTE:
|
++diagnostic_kind_count (context, kind);
|
++diagnostic_kind_count (context, kind);
|
break;
|
break;
|
|
|
case DK_WARNING:
|
case DK_WARNING:
|
if (!diagnostic_report_warnings_p ())
|
if (!diagnostic_report_warnings_p ())
|
return false;
|
return false;
|
|
|
/* -Werror can reclassify warnings as errors, but
|
/* -Werror can reclassify warnings as errors, but
|
classify_diagnostic can reclassify it back to a warning. The
|
classify_diagnostic can reclassify it back to a warning. The
|
second part of this test detects that case. */
|
second part of this test detects that case. */
|
if (!context->warning_as_error_requested
|
if (!context->warning_as_error_requested
|
|| (context->classify_diagnostic[diagnostic->option_index]
|
|| (context->classify_diagnostic[diagnostic->option_index]
|
== DK_WARNING))
|
== DK_WARNING))
|
{
|
{
|
++diagnostic_kind_count (context, DK_WARNING);
|
++diagnostic_kind_count (context, DK_WARNING);
|
break;
|
break;
|
}
|
}
|
else if (context->issue_warnings_are_errors_message)
|
else if (context->issue_warnings_are_errors_message)
|
{
|
{
|
pp_verbatim (context->printer,
|
pp_verbatim (context->printer,
|
"%s: warnings being treated as errors\n", progname);
|
"%s: warnings being treated as errors\n", progname);
|
context->issue_warnings_are_errors_message = false;
|
context->issue_warnings_are_errors_message = false;
|
}
|
}
|
|
|
/* And fall through. */
|
/* And fall through. */
|
case DK_ERROR:
|
case DK_ERROR:
|
++diagnostic_kind_count (context, DK_ERROR);
|
++diagnostic_kind_count (context, DK_ERROR);
|
break;
|
break;
|
}
|
}
|
|
|
return true;
|
return true;
|
}
|
}
|
|
|
/* Take any action which is expected to happen after the diagnostic
|
/* Take any action which is expected to happen after the diagnostic
|
is written out. This function does not always return. */
|
is written out. This function does not always return. */
|
static void
|
static void
|
diagnostic_action_after_output (diagnostic_context *context,
|
diagnostic_action_after_output (diagnostic_context *context,
|
diagnostic_info *diagnostic)
|
diagnostic_info *diagnostic)
|
{
|
{
|
switch (diagnostic->kind)
|
switch (diagnostic->kind)
|
{
|
{
|
case DK_DEBUG:
|
case DK_DEBUG:
|
case DK_NOTE:
|
case DK_NOTE:
|
case DK_ANACHRONISM:
|
case DK_ANACHRONISM:
|
case DK_WARNING:
|
case DK_WARNING:
|
break;
|
break;
|
|
|
case DK_ERROR:
|
case DK_ERROR:
|
case DK_SORRY:
|
case DK_SORRY:
|
if (context->abort_on_error)
|
if (context->abort_on_error)
|
real_abort ();
|
real_abort ();
|
if (flag_fatal_errors)
|
if (flag_fatal_errors)
|
{
|
{
|
fnotice (stderr, "compilation terminated due to -Wfatal-errors.\n");
|
fnotice (stderr, "compilation terminated due to -Wfatal-errors.\n");
|
exit (FATAL_EXIT_CODE);
|
exit (FATAL_EXIT_CODE);
|
}
|
}
|
break;
|
break;
|
|
|
case DK_ICE:
|
case DK_ICE:
|
if (context->abort_on_error)
|
if (context->abort_on_error)
|
real_abort ();
|
real_abort ();
|
|
|
fnotice (stderr, "Please submit a full bug report,\n"
|
fnotice (stderr, "Please submit a full bug report,\n"
|
"with preprocessed source if appropriate.\n"
|
"with preprocessed source if appropriate.\n"
|
"See %s for instructions.\n", bug_report_url);
|
"See %s for instructions.\n", bug_report_url);
|
exit (ICE_EXIT_CODE);
|
exit (ICE_EXIT_CODE);
|
|
|
case DK_FATAL:
|
case DK_FATAL:
|
if (context->abort_on_error)
|
if (context->abort_on_error)
|
real_abort ();
|
real_abort ();
|
|
|
fnotice (stderr, "compilation terminated.\n");
|
fnotice (stderr, "compilation terminated.\n");
|
exit (FATAL_EXIT_CODE);
|
exit (FATAL_EXIT_CODE);
|
|
|
default:
|
default:
|
gcc_unreachable ();
|
gcc_unreachable ();
|
}
|
}
|
}
|
}
|
|
|
/* Prints out, if necessary, the name of the current function
|
/* Prints out, if necessary, the name of the current function
|
that caused an error. Called from all error and warning functions. */
|
that caused an error. Called from all error and warning functions. */
|
void
|
void
|
diagnostic_report_current_function (diagnostic_context *context)
|
diagnostic_report_current_function (diagnostic_context *context)
|
{
|
{
|
diagnostic_report_current_module (context);
|
diagnostic_report_current_module (context);
|
lang_hooks.print_error_function (context, input_filename);
|
lang_hooks.print_error_function (context, input_filename);
|
}
|
}
|
|
|
void
|
void
|
diagnostic_report_current_module (diagnostic_context *context)
|
diagnostic_report_current_module (diagnostic_context *context)
|
{
|
{
|
struct file_stack *p;
|
struct file_stack *p;
|
|
|
if (pp_needs_newline (context->printer))
|
if (pp_needs_newline (context->printer))
|
{
|
{
|
pp_newline (context->printer);
|
pp_newline (context->printer);
|
pp_needs_newline (context->printer) = false;
|
pp_needs_newline (context->printer) = false;
|
}
|
}
|
|
|
p = input_file_stack;
|
p = input_file_stack;
|
if (p && diagnostic_last_module_changed (context))
|
if (p && diagnostic_last_module_changed (context))
|
{
|
{
|
expanded_location xloc = expand_location (p->location);
|
expanded_location xloc = expand_location (p->location);
|
pp_verbatim (context->printer,
|
pp_verbatim (context->printer,
|
"In file included from %s:%d",
|
"In file included from %s:%d",
|
xloc.file, xloc.line);
|
xloc.file, xloc.line);
|
while ((p = p->next) != NULL)
|
while ((p = p->next) != NULL)
|
{
|
{
|
xloc = expand_location (p->location);
|
xloc = expand_location (p->location);
|
pp_verbatim (context->printer,
|
pp_verbatim (context->printer,
|
",\n from %s:%d",
|
",\n from %s:%d",
|
xloc.file, xloc.line);
|
xloc.file, xloc.line);
|
}
|
}
|
pp_verbatim (context->printer, ":");
|
pp_verbatim (context->printer, ":");
|
diagnostic_set_last_module (context);
|
diagnostic_set_last_module (context);
|
pp_newline (context->printer);
|
pp_newline (context->printer);
|
}
|
}
|
}
|
}
|
|
|
static void
|
static void
|
default_diagnostic_starter (diagnostic_context *context,
|
default_diagnostic_starter (diagnostic_context *context,
|
diagnostic_info *diagnostic)
|
diagnostic_info *diagnostic)
|
{
|
{
|
diagnostic_report_current_function (context);
|
diagnostic_report_current_function (context);
|
pp_set_prefix (context->printer, diagnostic_build_prefix (diagnostic));
|
pp_set_prefix (context->printer, diagnostic_build_prefix (diagnostic));
|
}
|
}
|
|
|
static void
|
static void
|
default_diagnostic_finalizer (diagnostic_context *context,
|
default_diagnostic_finalizer (diagnostic_context *context,
|
diagnostic_info *diagnostic ATTRIBUTE_UNUSED)
|
diagnostic_info *diagnostic ATTRIBUTE_UNUSED)
|
{
|
{
|
pp_destroy_prefix (context->printer);
|
pp_destroy_prefix (context->printer);
|
}
|
}
|
|
|
/* Interface to specify diagnostic kind overrides. Returns the
|
/* Interface to specify diagnostic kind overrides. Returns the
|
previous setting, or DK_UNSPECIFIED if the parameters are out of
|
previous setting, or DK_UNSPECIFIED if the parameters are out of
|
range. */
|
range. */
|
diagnostic_t
|
diagnostic_t
|
diagnostic_classify_diagnostic (diagnostic_context *context,
|
diagnostic_classify_diagnostic (diagnostic_context *context,
|
int option_index,
|
int option_index,
|
diagnostic_t new_kind)
|
diagnostic_t new_kind)
|
{
|
{
|
diagnostic_t old_kind;
|
diagnostic_t old_kind;
|
|
|
if (option_index <= 0
|
if (option_index <= 0
|
|| option_index >= N_OPTS
|
|| option_index >= N_OPTS
|
|| new_kind >= DK_LAST_DIAGNOSTIC_KIND)
|
|| new_kind >= DK_LAST_DIAGNOSTIC_KIND)
|
return DK_UNSPECIFIED;
|
return DK_UNSPECIFIED;
|
|
|
old_kind = context->classify_diagnostic[option_index];
|
old_kind = context->classify_diagnostic[option_index];
|
context->classify_diagnostic[option_index] = new_kind;
|
context->classify_diagnostic[option_index] = new_kind;
|
return old_kind;
|
return old_kind;
|
}
|
}
|
|
|
/* Report a diagnostic message (an error or a warning) as specified by
|
/* Report a diagnostic message (an error or a warning) as specified by
|
DC. This function is *the* subroutine in terms of which front-ends
|
DC. This function is *the* subroutine in terms of which front-ends
|
should implement their specific diagnostic handling modules. The
|
should implement their specific diagnostic handling modules. The
|
front-end independent format specifiers are exactly those described
|
front-end independent format specifiers are exactly those described
|
in the documentation of output_format. */
|
in the documentation of output_format. */
|
|
|
void
|
void
|
diagnostic_report_diagnostic (diagnostic_context *context,
|
diagnostic_report_diagnostic (diagnostic_context *context,
|
diagnostic_info *diagnostic)
|
diagnostic_info *diagnostic)
|
{
|
{
|
if (context->lock > 0)
|
if (context->lock > 0)
|
{
|
{
|
/* If we're reporting an ICE in the middle of some other error,
|
/* If we're reporting an ICE in the middle of some other error,
|
try to flush out the previous error, then let this one
|
try to flush out the previous error, then let this one
|
through. Don't do this more than once. */
|
through. Don't do this more than once. */
|
if (diagnostic->kind == DK_ICE && context->lock == 1)
|
if (diagnostic->kind == DK_ICE && context->lock == 1)
|
pp_flush (context->printer);
|
pp_flush (context->printer);
|
else
|
else
|
error_recursion (context);
|
error_recursion (context);
|
}
|
}
|
|
|
if (diagnostic->option_index)
|
if (diagnostic->option_index)
|
{
|
{
|
/* This tests if the user provided the appropriate -Wfoo or
|
/* This tests if the user provided the appropriate -Wfoo or
|
-Wno-foo option. */
|
-Wno-foo option. */
|
if (! option_enabled (diagnostic->option_index))
|
if (! option_enabled (diagnostic->option_index))
|
return;
|
return;
|
/* This tests if the user provided the appropriate -Werror=foo
|
/* This tests if the user provided the appropriate -Werror=foo
|
option. */
|
option. */
|
if (context->classify_diagnostic[diagnostic->option_index] != DK_UNSPECIFIED)
|
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];
|
/* This allows for future extensions, like temporarily disabling
|
/* This allows for future extensions, like temporarily disabling
|
warnings for ranges of source code. */
|
warnings for ranges of source code. */
|
if (diagnostic->kind == DK_IGNORED)
|
if (diagnostic->kind == DK_IGNORED)
|
return;
|
return;
|
}
|
}
|
|
|
context->lock++;
|
context->lock++;
|
|
|
if (diagnostic_count_diagnostic (context, diagnostic))
|
if (diagnostic_count_diagnostic (context, diagnostic))
|
{
|
{
|
const char *saved_format_spec = diagnostic->message.format_spec;
|
const char *saved_format_spec = diagnostic->message.format_spec;
|
|
|
if (context->show_option_requested && diagnostic->option_index)
|
if (context->show_option_requested && diagnostic->option_index)
|
diagnostic->message.format_spec
|
diagnostic->message.format_spec
|
= ACONCAT ((diagnostic->message.format_spec,
|
= ACONCAT ((diagnostic->message.format_spec,
|
" [", cl_options[diagnostic->option_index].opt_text, "]", NULL));
|
" [", cl_options[diagnostic->option_index].opt_text, "]", NULL));
|
|
|
diagnostic->message.locus = &diagnostic->location;
|
diagnostic->message.locus = &diagnostic->location;
|
pp_format (context->printer, &diagnostic->message);
|
pp_format (context->printer, &diagnostic->message);
|
(*diagnostic_starter (context)) (context, diagnostic);
|
(*diagnostic_starter (context)) (context, diagnostic);
|
pp_output_formatted_text (context->printer);
|
pp_output_formatted_text (context->printer);
|
(*diagnostic_finalizer (context)) (context, diagnostic);
|
(*diagnostic_finalizer (context)) (context, diagnostic);
|
pp_flush (context->printer);
|
pp_flush (context->printer);
|
diagnostic_action_after_output (context, diagnostic);
|
diagnostic_action_after_output (context, diagnostic);
|
diagnostic->message.format_spec = saved_format_spec;
|
diagnostic->message.format_spec = saved_format_spec;
|
}
|
}
|
|
|
context->lock--;
|
context->lock--;
|
}
|
}
|
|
|
/* Given a partial pathname as input, return another pathname that
|
/* Given a partial pathname as input, return another pathname that
|
shares no directory elements with the pathname of __FILE__. This
|
shares no directory elements with the pathname of __FILE__. This
|
is used by fancy_abort() to print `Internal compiler error in expr.c'
|
is used by fancy_abort() to print `Internal compiler error in expr.c'
|
instead of `Internal compiler error in ../../GCC/gcc/expr.c'. */
|
instead of `Internal compiler error in ../../GCC/gcc/expr.c'. */
|
|
|
const char *
|
const char *
|
trim_filename (const char *name)
|
trim_filename (const char *name)
|
{
|
{
|
static const char this_file[] = __FILE__;
|
static const char this_file[] = __FILE__;
|
const char *p = name, *q = this_file;
|
const char *p = name, *q = this_file;
|
|
|
/* First skip any "../" in each filename. This allows us to give a proper
|
/* First skip any "../" in each filename. This allows us to give a proper
|
reference to a file in a subdirectory. */
|
reference to a file in a subdirectory. */
|
while (p[0] == '.' && p[1] == '.' && IS_DIR_SEPARATOR (p[2]))
|
while (p[0] == '.' && p[1] == '.' && IS_DIR_SEPARATOR (p[2]))
|
p += 3;
|
p += 3;
|
|
|
while (q[0] == '.' && q[1] == '.' && IS_DIR_SEPARATOR (q[2]))
|
while (q[0] == '.' && q[1] == '.' && IS_DIR_SEPARATOR (q[2]))
|
q += 3;
|
q += 3;
|
|
|
/* Now skip any parts the two filenames have in common. */
|
/* Now skip any parts the two filenames have in common. */
|
while (*p == *q && *p != 0 && *q != 0)
|
while (*p == *q && *p != 0 && *q != 0)
|
p++, q++;
|
p++, q++;
|
|
|
/* Now go backwards until the previous directory separator. */
|
/* Now go backwards until the previous directory separator. */
|
while (p > name && !IS_DIR_SEPARATOR (p[-1]))
|
while (p > name && !IS_DIR_SEPARATOR (p[-1]))
|
p--;
|
p--;
|
|
|
return p;
|
return p;
|
}
|
}
|
|
|
/* Standard error reporting routines in increasing order of severity.
|
/* Standard error reporting routines in increasing order of severity.
|
All of these take arguments like printf. */
|
All of these take arguments like printf. */
|
|
|
/* Text to be emitted verbatim to the error message stream; this
|
/* Text to be emitted verbatim to the error message stream; this
|
produces no prefix and disables line-wrapping. Use rarely. */
|
produces no prefix and disables line-wrapping. Use rarely. */
|
void
|
void
|
verbatim (const char *gmsgid, ...)
|
verbatim (const char *gmsgid, ...)
|
{
|
{
|
text_info text;
|
text_info text;
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, gmsgid);
|
va_start (ap, gmsgid);
|
text.err_no = errno;
|
text.err_no = errno;
|
text.args_ptr = ≈
|
text.args_ptr = ≈
|
text.format_spec = _(gmsgid);
|
text.format_spec = _(gmsgid);
|
text.locus = NULL;
|
text.locus = NULL;
|
pp_format_verbatim (global_dc->printer, &text);
|
pp_format_verbatim (global_dc->printer, &text);
|
pp_flush (global_dc->printer);
|
pp_flush (global_dc->printer);
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
/* An informative note. Use this for additional details on an error
|
/* An informative note. Use this for additional details on an error
|
message. */
|
message. */
|
void
|
void
|
inform (const char *gmsgid, ...)
|
inform (const char *gmsgid, ...)
|
{
|
{
|
diagnostic_info diagnostic;
|
diagnostic_info diagnostic;
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, gmsgid);
|
va_start (ap, gmsgid);
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_NOTE);
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_NOTE);
|
report_diagnostic (&diagnostic);
|
report_diagnostic (&diagnostic);
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
/* A warning. Use this for code which is correct according to the
|
/* A warning. Use this for code which is correct according to the
|
relevant language specification but is likely to be buggy anyway. */
|
relevant language specification but is likely to be buggy anyway. */
|
void
|
void
|
warning (int opt, const char *gmsgid, ...)
|
warning (int opt, const char *gmsgid, ...)
|
{
|
{
|
diagnostic_info diagnostic;
|
diagnostic_info diagnostic;
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, gmsgid);
|
va_start (ap, gmsgid);
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_WARNING);
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_WARNING);
|
diagnostic.option_index = opt;
|
diagnostic.option_index = opt;
|
|
|
report_diagnostic (&diagnostic);
|
report_diagnostic (&diagnostic);
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
void
|
void
|
warning0 (const char *gmsgid, ...)
|
warning0 (const char *gmsgid, ...)
|
{
|
{
|
diagnostic_info diagnostic;
|
diagnostic_info diagnostic;
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, gmsgid);
|
va_start (ap, gmsgid);
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_WARNING);
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_WARNING);
|
report_diagnostic (&diagnostic);
|
report_diagnostic (&diagnostic);
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
/* A "pedantic" warning: issues a warning unless -pedantic-errors was
|
/* A "pedantic" warning: issues a warning unless -pedantic-errors was
|
given on the command line, in which case it issues an error. Use
|
given on the command line, in which case it issues an error. Use
|
this for diagnostics required by the relevant language standard,
|
this for diagnostics required by the relevant language standard,
|
if you have chosen not to make them errors.
|
if you have chosen not to make them errors.
|
|
|
Note that these diagnostics are issued independent of the setting
|
Note that these diagnostics are issued independent of the setting
|
of the -pedantic command-line switch. To get a warning enabled
|
of the -pedantic command-line switch. To get a warning enabled
|
only with that switch, write "if (pedantic) pedwarn (...);" */
|
only with that switch, write "if (pedantic) pedwarn (...);" */
|
void
|
void
|
pedwarn (const char *gmsgid, ...)
|
pedwarn (const char *gmsgid, ...)
|
{
|
{
|
diagnostic_info diagnostic;
|
diagnostic_info diagnostic;
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, gmsgid);
|
va_start (ap, gmsgid);
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location,
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location,
|
pedantic_error_kind ());
|
pedantic_error_kind ());
|
report_diagnostic (&diagnostic);
|
report_diagnostic (&diagnostic);
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
/* A hard error: the code is definitely ill-formed, and an object file
|
/* A hard error: the code is definitely ill-formed, and an object file
|
will not be produced. */
|
will not be produced. */
|
void
|
void
|
error (const char *gmsgid, ...)
|
error (const char *gmsgid, ...)
|
{
|
{
|
diagnostic_info diagnostic;
|
diagnostic_info diagnostic;
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, gmsgid);
|
va_start (ap, gmsgid);
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_ERROR);
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_ERROR);
|
report_diagnostic (&diagnostic);
|
report_diagnostic (&diagnostic);
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
/* "Sorry, not implemented." Use for a language feature which is
|
/* "Sorry, not implemented." Use for a language feature which is
|
required by the relevant specification but not implemented by GCC.
|
required by the relevant specification but not implemented by GCC.
|
An object file will not be produced. */
|
An object file will not be produced. */
|
void
|
void
|
sorry (const char *gmsgid, ...)
|
sorry (const char *gmsgid, ...)
|
{
|
{
|
diagnostic_info diagnostic;
|
diagnostic_info diagnostic;
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, gmsgid);
|
va_start (ap, gmsgid);
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_SORRY);
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_SORRY);
|
report_diagnostic (&diagnostic);
|
report_diagnostic (&diagnostic);
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
/* An error which is severe enough that we make no attempt to
|
/* An error which is severe enough that we make no attempt to
|
continue. Do not use this for internal consistency checks; that's
|
continue. Do not use this for internal consistency checks; that's
|
internal_error. Use of this function should be rare. */
|
internal_error. Use of this function should be rare. */
|
void
|
void
|
fatal_error (const char *gmsgid, ...)
|
fatal_error (const char *gmsgid, ...)
|
{
|
{
|
diagnostic_info diagnostic;
|
diagnostic_info diagnostic;
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, gmsgid);
|
va_start (ap, gmsgid);
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_FATAL);
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_FATAL);
|
report_diagnostic (&diagnostic);
|
report_diagnostic (&diagnostic);
|
va_end (ap);
|
va_end (ap);
|
|
|
gcc_unreachable ();
|
gcc_unreachable ();
|
}
|
}
|
|
|
/* An internal consistency check has failed. We make no attempt to
|
/* An internal consistency check has failed. We make no attempt to
|
continue. Note that unless there is debugging value to be had from
|
continue. Note that unless there is debugging value to be had from
|
a more specific message, or some other good reason, you should use
|
a more specific message, or some other good reason, you should use
|
abort () instead of calling this function directly. */
|
abort () instead of calling this function directly. */
|
void
|
void
|
internal_error (const char *gmsgid, ...)
|
internal_error (const char *gmsgid, ...)
|
{
|
{
|
diagnostic_info diagnostic;
|
diagnostic_info diagnostic;
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, gmsgid);
|
va_start (ap, gmsgid);
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_ICE);
|
diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_ICE);
|
report_diagnostic (&diagnostic);
|
report_diagnostic (&diagnostic);
|
va_end (ap);
|
va_end (ap);
|
|
|
gcc_unreachable ();
|
gcc_unreachable ();
|
}
|
}
|
|
|
/* Special case error functions. Most are implemented in terms of the
|
/* Special case error functions. Most are implemented in terms of the
|
above, or should be. */
|
above, or should be. */
|
|
|
/* Print a diagnostic MSGID on FILE. This is just fprintf, except it
|
/* Print a diagnostic MSGID on FILE. This is just fprintf, except it
|
runs its second argument through gettext. */
|
runs its second argument through gettext. */
|
void
|
void
|
fnotice (FILE *file, const char *cmsgid, ...)
|
fnotice (FILE *file, const char *cmsgid, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, cmsgid);
|
va_start (ap, cmsgid);
|
vfprintf (file, _(cmsgid), ap);
|
vfprintf (file, _(cmsgid), ap);
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
/* Inform the user that an error occurred while trying to report some
|
/* Inform the user that an error occurred while trying to report some
|
other error. This indicates catastrophic internal inconsistencies,
|
other error. This indicates catastrophic internal inconsistencies,
|
so give up now. But do try to flush out the previous error.
|
so give up now. But do try to flush out the previous error.
|
This mustn't use internal_error, that will cause infinite recursion. */
|
This mustn't use internal_error, that will cause infinite recursion. */
|
|
|
static void
|
static void
|
error_recursion (diagnostic_context *context)
|
error_recursion (diagnostic_context *context)
|
{
|
{
|
diagnostic_info diagnostic;
|
diagnostic_info diagnostic;
|
|
|
if (context->lock < 3)
|
if (context->lock < 3)
|
pp_flush (context->printer);
|
pp_flush (context->printer);
|
|
|
fnotice (stderr,
|
fnotice (stderr,
|
"Internal compiler error: Error reporting routines re-entered.\n");
|
"Internal compiler error: Error reporting routines re-entered.\n");
|
|
|
/* Call diagnostic_action_after_output to get the "please submit a bug
|
/* Call diagnostic_action_after_output to get the "please submit a bug
|
report" message. It only looks at the kind field of diagnostic_info. */
|
report" message. It only looks at the kind field of diagnostic_info. */
|
diagnostic.kind = DK_ICE;
|
diagnostic.kind = DK_ICE;
|
diagnostic_action_after_output (context, &diagnostic);
|
diagnostic_action_after_output (context, &diagnostic);
|
|
|
/* Do not use gcc_unreachable here; that goes through internal_error
|
/* Do not use gcc_unreachable here; that goes through internal_error
|
and therefore would cause infinite recursion. */
|
and therefore would cause infinite recursion. */
|
real_abort ();
|
real_abort ();
|
}
|
}
|
|
|
/* Report an internal compiler error in a friendly manner. This is
|
/* Report an internal compiler error in a friendly manner. This is
|
the function that gets called upon use of abort() in the source
|
the function that gets called upon use of abort() in the source
|
code generally, thanks to a special macro. */
|
code generally, thanks to a special macro. */
|
|
|
void
|
void
|
fancy_abort (const char *file, int line, const char *function)
|
fancy_abort (const char *file, int line, const char *function)
|
{
|
{
|
internal_error ("in %s, at %s:%d", function, trim_filename (file), line);
|
internal_error ("in %s, at %s:%d", function, trim_filename (file), line);
|
}
|
}
|
|
|
/* Really call the system 'abort'. This has to go right at the end of
|
/* Really call the system 'abort'. This has to go right at the end of
|
this file, so that there are no functions after it that call abort
|
this file, so that there are no functions after it that call abort
|
and get the system abort instead of our macro. */
|
and get the system abort instead of our macro. */
|
#undef abort
|
#undef abort
|
static void
|
static void
|
real_abort (void)
|
real_abort (void)
|
{
|
{
|
abort ();
|
abort ();
|
}
|
}
|
|
|
