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0e021770cc
Rewrite to simplify the logic. (language_argmatch): Likewise. * doc/bison.texinfo (Decl Summary, Bison Options): Don't claim Java is supported. * src/complain.c (program_name): Remove decl; no longer needed. * src/main.c (program_name): Remove; now belongs to getargs. 2006-12-18 Paolo Bonzini <bonzini@gnu.org> * NEWS: Document %language. * data/Makefile.am (dist_pkgdata_DATA): Add c-skel.m4, c++-skel.m4. * data/c-skel.m4, data/c++-skel.m4: New files. * data/glr.c: Complain on push parsers. * doc/bison.texinfo (C++ Parser Interface): Prefer %language over %skeleton. (Directives): Document %language and %skeleton. (Command line): Document -L. * examples/extexi: Rewrite %require directive. * examples/calc++/Makefile.am: Pass VERSION to extexi. * src/files.c (compute_exts_from_gc): Look in language structure for .y extension. (compute_file_name_parts): Check whether .tab should be added. * src/getargs.c (valid_languages, skeleton_prio, language_prio): (language, skeleton_arg, language_argmatch): New. (long_options): Add --language. (getargs): Use skeleton_arg, add -L/--language. * src/getargs.h: Include location.h. (struct bison_language, language, skeleton_arg, language_argmatch): New. * src/output.c (prepare): Pick default skeleton from struct language. Don't dispatch C skeletons here. * src/parse-gram.y (PERCENT_LANGUAGE): New. (prologue_declaration): Add "%language" rule, use skeleton_arg. * src/scan-gram.l ("%language"): New rule. * tests/calc.at: Test %skeleton and %language. * tests/local.at (AT_SKEL_CC_IF): Look for %language. (AT_GLR_IF): Look for %skeleton "glr.cc". (AT_LALR1_CC_IF, AT_GLR_CC_IF): Rewrite. (AT_YACC_IF): Reject %language. 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
142 lines
3.4 KiB
C
142 lines
3.4 KiB
C
/* Declaration for error-reporting function for Bison.
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Copyright (C) 2000, 2001, 2002, 2004, 2005, 2006
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Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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USA. */
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/* Based on error.c and error.h,
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written by David MacKenzie <djm@gnu.ai.mit.edu>. */
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#include <config.h>
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#include "system.h"
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#include <stdarg.h>
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#include "complain.h"
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#include "files.h"
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#include "getargs.h"
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bool complaint_issued;
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/** Report an error message.
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*
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* \param loc the location, defaulting to the current file,
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* or the program name.
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* \param prefix put before the message (e.g., "warning").
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* \param message the error message, a printf format string.
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* \param args the arguments of the format string.
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*/
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static
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void
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error_message (location *loc,
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const char *prefix,
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const char *message, va_list args)
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{
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if (loc)
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location_print (stderr, *loc);
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else
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fputs (current_file ? current_file : program_name, stderr);
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fputs (": ", stderr);
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if (prefix)
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fprintf (stderr, "%s: ", prefix);
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vfprintf (stderr, message, args);
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va_end (args);
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putc ('\n', stderr);
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fflush (stderr);
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}
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/** Wrap error_message() with varargs handling. */
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#define ERROR_MESSAGE(Loc, Prefix, Message) \
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{ \
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va_list args; \
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va_start (args, Message); \
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error_message (Loc, Prefix, Message, args); \
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}
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/*--------------------------------.
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| Report a warning, and proceed. |
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`--------------------------------*/
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static void
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set_warning_issued (void)
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{
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static bool warning_issued = false;
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if (!warning_issued && (warnings_flag & warnings_error))
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{
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fprintf (stderr, "%s: warnings being treated as errors\n", program_name);
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complaint_issued = true;
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}
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warning_issued = true;
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}
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void
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warn_at (location loc, const char *message, ...)
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{
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set_warning_issued ();
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ERROR_MESSAGE (&loc, _("warning"), message);
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}
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void
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warn (const char *message, ...)
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{
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set_warning_issued ();
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ERROR_MESSAGE (NULL, _("warning"), message);
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}
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/*-----------------------------------------------------------.
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| An error has occurred, but we can proceed, and die later. |
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`-----------------------------------------------------------*/
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void
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complain_at (location loc, const char *message, ...)
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{
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ERROR_MESSAGE (&loc, NULL, message);
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complaint_issued = true;
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}
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void
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complain (const char *message, ...)
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{
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ERROR_MESSAGE (NULL, NULL, message);
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complaint_issued = true;
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}
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/*-------------------------------------------------.
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| A severe error has occurred, we cannot proceed. |
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`-------------------------------------------------*/
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void
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fatal_at (location loc, const char *message, ...)
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{
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ERROR_MESSAGE (&loc, _("fatal error"), message);
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exit (EXIT_FAILURE);
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}
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void
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fatal (const char *message, ...)
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{
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ERROR_MESSAGE (NULL, _("fatal error"), message);
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exit (EXIT_FAILURE);
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}
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