/* Parse command line arguments for Bison.
Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007 Free Software Foundation, Inc.
+ 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
#include <config.h>
#include "system.h"
-#include "revision.h"
#include "output.h"
#include <argmatch.h>
fputs (_("\
Mandatory arguments to long options are mandatory for short options too.\n\
+"), stdout);
+ fputs (_("\
+The same is true for optional arguments.\n\
"), stdout);
fputs (_("\
--print-localedir output directory containing locale-dependent data\n\
--print-datadir output directory containing skeletons and XSLT\n\
-y, --yacc emulate POSIX Yacc\n\
- -W, --warnings=[CATEGORY] report the warnings falling in CATEGORY\n\
+ -W, --warnings[=CATEGORY] report the warnings falling in CATEGORY\n\
\n\
"), stdout);
fputs (_("\
Parser:\n\
+ -L, --language=LANGUAGE specify the output programming language\n\
+ (this is an experimental feature)\n\
-S, --skeleton=FILE specify the skeleton to use\n\
-t, --debug instrument the parser for debugging\n\
--locations enable locations computation\n\
\n\
"), stdout);
+ /* Keep -d and --defines separate so that ../build-aux/cross-options.pl
+ * won't assume that -d also takes an argument. */
fputs (_("\
Output:\n\
- -d, --defines[=FILE] also produce a header file\n\
+ --defines[=FILE] also produce a header file\n\
+ -d likewise but cannot specify FILE (for POSIX Yacc)\n\
-r, --report=THINGS also produce details on the automaton\n\
--report-file=FILE write report to FILE\n\
-v, --verbose same as `--report=state'\n\
-o, --output=FILE leave output to FILE\n\
-g, --graph[=FILE] also output a graph of the automaton\n\
-x, --xml[=FILE] also output an XML report of the automaton\n\
+ (the XML schema is experimental)\n\
\n\
"), stdout);
continue. */
printf (_("bison (GNU Bison) %s"), VERSION);
putc ('\n', stdout);
- printf ("%s", revision);
fputs (_("Written by Robert Corbett and Richard Stallman.\n"), stdout);
putc ('\n', stdout);
| Process the options. |
`----------------------*/
-/* Shorts options. */
-static char const short_options[] = "yvegxdhr:L:ltknVo:b:p:S:T::W";
+/* Shorts options.
+ Should be computed from long_options. */
+static char const short_options[] =
+ "L:"
+ "S:"
+ "T::"
+ "V"
+ "W::"
+ "b:"
+ "d"
+ "e"
+ "g::"
+ "h"
+ "k"
+ "l"
+ "n"
+ "o:"
+ "p:"
+ "r:"
+ "t"
+ "v"
+ "x::"
+ "y"
+ ;
/* Values for long options that do not have single-letter equivalents. */
enum
/* Certain long options cause getopt_long to return 0. */
break;
- case 'b':
- spec_file_prefix = AS_FILE_NAME (optarg);
- break;
-
- case 'g':
- /* Here, the -g and --graph=FILE options are differentiated. */
- graph_flag = true;
+ case 'd':
+ /* Here, the -d and --defines options are differentiated. */
+ defines_flag = true;
if (optarg)
- spec_graph_file = xstrdup (AS_FILE_NAME (optarg));
+ spec_defines_file = xstrdup (AS_FILE_NAME (optarg));
break;
- case 'x':
- /* Here, the -x and --xml=FILE options are differentiated. */
- xml_flag = true;
- if (optarg)
- spec_xml_file = xstrdup (AS_FILE_NAME (optarg));
+ case 'I':
+ include = AS_FILE_NAME (optarg);
break;
- case 'h':
- usage (EXIT_SUCCESS);
-
case 'L':
language_argmatch (optarg, 0, NULL);
break;
skeleton_arg (AS_FILE_NAME (optarg), 0, NULL);
break;
- case 'I':
- include = AS_FILE_NAME (optarg);
+ case 'T':
+ FLAGS_ARGMATCH (trace, optarg);
break;
- case 'd':
- /* Here, the -d and --defines options are differentiated. */
- defines_flag = true;
+ case 'V':
+ version ();
+ exit (EXIT_SUCCESS);
+
+ case 'W':
if (optarg)
- spec_defines_file = xstrdup (AS_FILE_NAME (optarg));
+ FLAGS_ARGMATCH (warnings, optarg);
+ else
+ warnings_flag |= warnings_all;
+ break;
+
+ case 'b':
+ spec_file_prefix = AS_FILE_NAME (optarg);
+ break;
+
+ case 'g':
+ graph_flag = true;
+ if (optarg)
+ spec_graph_file = xstrdup (AS_FILE_NAME (optarg));
break;
+ case 'h':
+ usage (EXIT_SUCCESS);
+
case 'k':
token_table_flag = true;
break;
FLAGS_ARGMATCH (report, optarg);
break;
- case REPORT_FILE_OPTION:
- spec_verbose_file = xstrdup (AS_FILE_NAME (optarg));
- break;
-
- case 'T':
- FLAGS_ARGMATCH (trace, optarg);
- break;
-
case 't':
debug_flag = true;
break;
- case 'V':
- version ();
- exit (EXIT_SUCCESS);
-
case 'v':
report_flag |= report_states;
break;
- case 'y':
- yacc_flag = true;
+ case 'x':
+ xml_flag = true;
+ if (optarg)
+ spec_xml_file = xstrdup (AS_FILE_NAME (optarg));
break;
- case 'W':
- if (optarg)
- FLAGS_ARGMATCH (warnings, optarg);
- else
- warnings_flag |= warnings_all;
+ case 'y':
+ yacc_flag = true;
break;
case LOCATIONS_OPTION:
printf ("%s\n", compute_pkgdatadir ());
exit (EXIT_SUCCESS);
+ case REPORT_FILE_OPTION:
+ spec_verbose_file = xstrdup (AS_FILE_NAME (optarg));
+ break;
+
default:
usage (EXIT_FAILURE);
}