-/* Parse command line arguments for bison,
- Copyright (C) 1984, 1986, 1989, 1992 Free Software Foundation, Inc.
+/* Parse command line arguments for bison.
+ Copyright 1984, 1986, 1989, 1992, 2000, 2001 Free Software Foundation, Inc.
-This file is part of Bison, the GNU Compiler Compiler.
+ This file is part of Bison, the GNU Compiler Compiler.
-Bison 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 version.
+ Bison 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 version.
-Bison is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with Bison; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ Bison is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+ You should have received a copy of the GNU General Public License
+ along with Bison; see the file COPYING. If not, write to the Free
+ Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
#include <stdio.h>
#include "getopt.h"
#include "system.h"
#include "files.h"
+#include "complain.h"
+#include "getargs.h"
+
+int debug_flag = 0;
+int defines_flag = 0;
+int locations_flag = 0;
+int no_lines_flag = 0;
+int no_parser_flag = 0;
+int token_table_flag = 0;
+int verbose_flag = 0;
+int statistics_flag = 0;
+int yacc_flag = 0; /* for -y */
+int graph_flag = 0;
+
+const char *skeleton = NULL;
-int verboseflag;
-int definesflag;
-int debugflag;
-int nolinesflag;
-int noparserflag = 0;
-int toknumflag = 0;
-int rawtoknumflag = 0;
-char *spec_name_prefix; /* for -p. */
-char *spec_file_prefix; /* for -b. */
-extern int fixed_outfiles;/* for -y */
-
extern char *program_name;
-extern char *version_string;
-
-extern void warns(); /* main.c */
-
-struct option longopts[] =
+const char *shortopts = "yvgdhrltknVo:b:p:S:";
+static struct option longopts[] =
{
- {"debug", 0, &debugflag, 1},
- {"defines", 0, &definesflag, 1},
- {"file-prefix", 1, 0, 'b'},
- {"fixed-output-files", 0, &fixed_outfiles, 1},
- {"help", 0, 0, 'h'},
- {"name-prefix", 1, 0, 'p'}, /* was 'a'; apparently unused -wjh */
- {"no-lines", 0, &nolinesflag, 1},
- {"no-parser", 0, &noparserflag, 1},
- {"output", 1, 0, 'o'},
- {"output-file", 1, 0, 'o'},
- {"raw", 0, &rawtoknumflag, 1},
- {"token-table", 0, &toknumflag, 1},
- {"verbose", 0, &verboseflag, 1},
- {"version", 0, 0, 'V'},
- {"yacc", 0, &fixed_outfiles, 1},
+ /* Operation modes. */
+ {"help", no_argument, 0, 'h'},
+ {"version", no_argument, 0, 'V'},
+ {"yacc", no_argument, 0, 'y'},
+ {"fixed-output-files",no_argument, 0, 'y'},
+
+ /* Parser. */
+ {"skeleton", required_argument, 0, 'S'},
+ {"debug", no_argument, 0, 'd'},
+ {"locations", no_argument, &locations_flag, 1},
+ /* was 'a'; apparently unused -wjh */
+ {"name-prefix", required_argument, 0, 'p'},
+ {"no-lines", no_argument, 0, 'l'},
+ {"no-parser", no_argument, 0, 'n'},
+ {"raw", no_argument, 0, 'r'},
+ {"token-table", no_argument, 0, 'k'},
+
+ /* Output. */
+ {"defines", no_argument, 0, 'd'},
+ {"verbose", no_argument, 0, 'v'},
+ {"file-prefix", required_argument, 0, 'b'},
+ {"output-file", required_argument, 0, 'o'},
+ {"graph", no_argument, 0, 'g'},
+
+ /* Hidden. */
+ {"statistics", no_argument, &statistics_flag, 1},
{0, 0, 0, 0}
};
-void
-usage (stream)
- FILE *stream;
+/*---------------------------.
+| Display the help message. |
+`---------------------------*/
+
+static void
+usage (FILE *stream)
{
+ /* Some efforts were made to ease the translators' task, please
+ continue. */
+ fputs (_("\
+GNU bison generates parsers for LALR(1) grammars.\n"), stream);
+ putc ('\n', stream);
+
fprintf (stream, _("\
-Usage: %s [-dhklntvyV] [-b file-prefix] [-o outfile] [-p name-prefix]\n\
- [--debug] [--defines] [--fixed-output-files] [--no-lines]\n\
- [--verbose] [--version] [--help] [--yacc]\n\
- [--no-parser] [--token-table]\n\
- [--file-prefix=prefix] [--name-prefix=prefix]\n\
- [--output=outfile] grammar-file\n\n\
-Report bugs to bug-bison@gnu.org\n"),
- program_name);
+Usage: %s [OPTION]... FILE\n"), program_name);
+ putc ('\n', stream);
+
+ fputs (_("\
+If a long option shows an argument as mandatory, then it is mandatory\n\
+for the equivalent short option also. Similarly for optional arguments.\n"),
+ stream);
+ putc ('\n', stream);
+
+ fputs (_("\
+Operation modes:\n\
+ -h, --help display this help and exit\n\
+ -V, --version output version information and exit\n\
+ -y, --yacc emulate POSIX yacc\n"), stream);
+ putc ('\n', stream);
+
+ fputs (_("\
+Parser:\n\
+ -S, --skeleton=FILE specify the skeleton to use\n\
+ -t, --debug instrument the parser for debugging\n\
+ --locations enable locations computation\n\
+ -p, --name-prefix=PREFIX prepend PREFIX to the external symbols\n\
+ -l, --no-lines don't generate `#line' directives\n\
+ -n, --no-parser generate the tables only\n\
+ -k, --token-table include a table of token names\n\
+"), stream);
+ putc ('\n', stream);
+
+ fputs (_("\
+Output:\n\
+ -d, --defines also produce a header file\n\
+ -v, --verbose also produce an explanation of the automaton\n\
+ -b, --file-prefix=PREFIX specify a PREFIX for output files\n\
+ -o, --output-file=FILE leave output to FILE\n"), stream);
+ putc ('\n', stream);
+
+ fputs (_("\
+Report bugs to <bug-bison@gnu.org>.\n"), stream);
}
+
+/*------------------------------.
+| Display the version message. |
+`------------------------------*/
+
+static void
+version (FILE *stream)
+{
+ /* Some efforts were made to ease the translators' task, please
+ continue. */
+ fprintf (stream, _("\
+bison (GNU Bison) %s"), VERSION);
+ putc ('\n', stream);
+ putc ('\n', stream);
+
+ fputs (_("\
+Copyright 1984, 1986, 1989, 1992, 2000, 2001 Free Software Foundation, Inc.\n"),
+ stream);
+
+ fputs (_("\
+This is free software; see the source for copying conditions. There is NO\n\
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
+"),
+ stream);
+}
+
+
+/*----------------------.
+| Process the options. |
+`----------------------*/
+
void
-getargs(argc, argv)
- int argc;
- char *argv[];
+getargs (int argc, char *argv[])
{
- register int c;
-
- verboseflag = 0;
- definesflag = 0;
- debugflag = 0;
- noparserflag = 0;
- rawtoknumflag = 0;
- toknumflag = 0;
- fixed_outfiles = 0;
-
- while ((c = getopt_long (argc, argv, "yvdhrltknVo:b:p:", longopts, (int *)0))
- != EOF)
- {
- switch (c)
- {
- case 0:
- /* Certain long options cause getopt_long to return 0. */
- break;
-
- case 'y':
- fixed_outfiles = 1;
- break;
-
- case 'h':
- usage (stdout);
- exit (0);
-
- case 'V':
- printf ("%s", version_string);
- exit (0);
-
- case 'v':
- verboseflag = 1;
- break;
-
- case 'd':
- definesflag = 1;
- break;
-
- case 'l':
- nolinesflag = 1;
- break;
-
- case 'k':
- toknumflag = 1;
- break;
-
- case 'r':
- rawtoknumflag = 1;
- break;
-
- case 'n':
- noparserflag = 1;
- break;
-
- case 't':
- debugflag = 1;
- break;
-
- case 'o':
- spec_outfile = optarg;
- break;
-
- case 'b':
- spec_file_prefix = optarg;
- break;
-
- case 'p':
- spec_name_prefix = optarg;
- break;
-
- default:
- usage (stderr);
- exit (1);
- }
- }
+ int c;
+
+ while ((c = getopt_long (argc, argv, shortopts, longopts, NULL)) != EOF)
+ switch (c)
+ {
+ case 0:
+ /* Certain long options cause getopt_long to return 0. */
+ break;
+
+ case 'y':
+ yacc_flag = 1;
+ break;
+
+ case 'h':
+ usage (stdout);
+ exit (0);
+
+ case 'V':
+ version (stdout);
+ exit (0);
+
+ case 'g':
+ graph_flag = 1;
+ break;
+
+ case 'v':
+ verbose_flag = 1;
+ break;
+
+ case 'S':
+ skeleton = optarg;
+ break;
+
+ case 'd':
+ defines_flag = 1;
+ break;
+
+ case 'l':
+ no_lines_flag = 1;
+ break;
+
+ case 'k':
+ token_table_flag = 1;
+ break;
+
+ case 'r':
+ fatal (_("`%s' is no longer supported"), "--raw");
+ break;
+
+ case 'n':
+ no_parser_flag = 1;
+ break;
+
+ case 't':
+ debug_flag = 1;
+ break;
+
+ case 'o':
+ spec_outfile = optarg;
+ break;
+
+ case 'b':
+ spec_file_prefix = optarg;
+ break;
+
+ case 'p':
+ spec_name_prefix = optarg;
+ break;
+
+ default:
+ fprintf (stderr, _("Try `%s --help' for more information.\n"),
+ program_name);
+ exit (1);
+ }
if (optind == argc)
{
- fprintf(stderr, _("%s: no grammar file given\n"), program_name);
- exit(1);
+ fprintf (stderr, _("%s: no grammar file given\n"), program_name);
+ exit (1);
}
if (optind < argc - 1)
- fprintf(stderr, _("%s: extra arguments ignored after '%s'\n"),
- program_name, argv[optind]);
+ fprintf (stderr, _("%s: extra arguments ignored after `%s'\n"),
+ program_name, argv[optind]);
infile = argv[optind];
}
projects / bison.git / blobdiff