X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/a083fbbf221545ea6e68a831da060d8834f36eca..10a9273b34548200a4e592093b8ba9bec4d980a8:/src/getargs.c diff --git a/src/getargs.c b/src/getargs.c index 80b4d149..647c0f70 100644 --- a/src/getargs.c +++ b/src/getargs.c @@ -1,22 +1,22 @@ -/* Parse command line arguments for bison, - Copyright (C) 1984, 1986, 1989, 1992 Free Software Foundation, Inc. +/* Parse command line arguments for bison. + Copyright (C) 1984, 1986, 1989, 1992, 2000 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 #include "getopt.h" @@ -33,11 +33,10 @@ 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 */ +extern void warns PARAMS((char *, char *)); /* main.c */ struct option longopts[] = { @@ -59,24 +58,61 @@ struct option longopts[] = {0, 0, 0, 0} }; +/*---------------------------. +| Display the help message. | +`---------------------------*/ void -usage (stream) - FILE *stream; +usage (FILE *stream) { + /* Some efforts were made to ease the translators' task, please + continue. */ + fprintf (stream, _("\ +GNU bison generates parsers for LALR(1) grammars.\n")); + putc ('\n', stream); + + fprintf (stream, _("\ +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); + + fprintf (stream, _("\ +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")); + putc ('\n', stream); + + fprintf (stream, _("\ +Parser:\n\ + -t, --debug instrument the parser for debugging\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\ + -r, --raw number the tokens from 3\n\ + -k, --token-table include a table of token names\n\ +")); + putc ('\n', stream); + + fprintf (stream, _("\ +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")); + 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"), +Report bugs to .\n"), program_name); } void -getargs(argc, argv) - int argc; - char *argv[]; +getargs (int argc, char *argv[]) { register int c; @@ -100,27 +136,27 @@ getargs(argc, argv) case 'y': fixed_outfiles = 1; break; - + case 'h': usage (stdout); exit (0); case 'V': - printf ("%s", version_string); + printf ("%s\n", VERSION_STRING); exit (0); - + case 'v': verboseflag = 1; break; - + case 'd': definesflag = 1; break; - + case 'l': nolinesflag = 1; break; - + case 'k': toknumflag = 1; break; @@ -128,27 +164,27 @@ getargs(argc, argv) 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); @@ -161,8 +197,8 @@ getargs(argc, argv) 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]; }