+/* Concentrate all options use in bison,
+ Copyright 2001 Free Software Foundation, Inc.
+
+ 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 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 "xalloc.h"
+#include "system.h"
+#include "getopt.h"
+#include "getargs.h"
+#include "gram.h"
+#include "lex.h"
+#include "options.h"
+
+/* Shorts options. */
+const char *shortopts = "yvgdhrltknVo:b:p:S:";
+
+/* Long options. */
+struct option *longopts = NULL;
+
+struct percent_table_struct *percent_table = NULL;
+
+const struct option_table_struct option_table[] =
+{
+ /*
+ * Command line.
+ */
+
+ /* Operation modes. */
+ {opt_cmd_line, "help", no_argument, 0, 0, 'h'},
+ {opt_cmd_line, "version", no_argument, 0, 0, 'V'},
+
+ /* Parser. */
+ /* was 'a'; apparently unused -wjh */
+ {opt_cmd_line, "name-prefix", required_argument, 0, 0, 'p'},
+
+ /* Output. */
+ {opt_cmd_line, "file-prefix", required_argument, 0, 0, 'b'},
+ {opt_cmd_line, "output-file", required_argument, 0, 0, 'o'},
+ {opt_cmd_line, "graph", no_argument, 0, 0, 'g'},
+
+ /* Hidden. */
+ {opt_cmd_line, "statistics", no_argument, &statistics_flag, 0, 1},
+
+ /*
+ * Percent declarations.
+ */
+
+ {opt_percent, "token", 0, NULL, tok_token, 0},
+ {opt_percent, "term", 0, NULL, tok_token, 0},
+ {opt_percent, "nterm", 0, NULL, tok_nterm, 0},
+ {opt_percent, "type", 0, NULL, tok_type, 0},
+ {opt_percent, "guard", 0, NULL, tok_guard, 0},
+ {opt_percent, "union", 0, NULL, tok_union, 0},
+ {opt_percent, "expect", 0, NULL, tok_expect, 0},
+ {opt_percent, "thong", 0, NULL, tok_thong, 0},
+ {opt_percent, "start", 0, NULL, tok_start, 0},
+ {opt_percent, "left", 0, NULL, tok_left, 0},
+ {opt_percent, "right", 0, NULL, tok_right, 0},
+ {opt_percent, "nonassoc", 0, NULL, tok_nonassoc, 0},
+ {opt_percent, "binary", 0, NULL, tok_nonassoc, 0},
+ {opt_percent, "prec", 0, NULL, tok_prec, 0},
+#if 0
+ /* For the time being, this is not enabled yet, while it's possible
+ though, since we use obstacks. The only risk is with semantic
+ parsers which will output an `include' of an output file: be sure
+ that the naem included is indeed the name of the output file. */
+ /* FIXME Should we activate this options ? */
+ {opt_both, "output-file", required_argument, &spec_outfile, tok_setopt, 'o'},
+ {opt_both, "file-prefix", required_argument,&spec_file_prefix,tok_setopt,'b'},
+ {opt_both, "name-prefix", required_argument,&spec_name_prefix,tok_setopt,'p'},
+#endif
+ {opt_percent, "header_extension", 0, NULL, tok_hdrext, 0},
+ {opt_percent, "source_extension", 0, NULL, tok_srcext, 0},
+ {opt_percent, "define", 0, NULL, tok_define, 0},
+ {opt_percent, "semantic_parser", 0, &semantic_parser, tok_noop, 0},
+ {opt_percent, "pure_parser", 0, &pure_parser, tok_noop, 0},
+
+ /*
+ * Percent and command line declarations.
+ */
+
+ /* FIXME Usually option use `-' to separe words on command line
+ and `_' for percent option. But here the separator are always
+ the same, the char `-'. */
+
+ /* Output. */
+ {opt_both, "defines", no_argument, &defines_flag, tok_noop, 'd'},
+ {opt_both, "verbose", no_argument, &verbose_flag, tok_noop, 'v'},
+
+ /* Operation modes. */
+ {opt_both, "fixed-output-files", no_argument, &yacc_flag, tok_noop, 'y'},
+ {opt_both, "yacc", no_argument, &yacc_flag, tok_noop, 'y'},
+
+ /* Parser. */
+ {opt_both, "debug", no_argument, &debug_flag, tok_noop, 'd'},
+ {opt_both, "locations", no_argument, &locations_flag, tok_noop, 1},
+ {opt_both, "no-lines", no_argument, &no_lines_flag, tok_noop, 'l'},
+ {opt_both, "no-parser", no_argument, &no_parser_flag, tok_noop, 'n'},
+ {opt_both, "raw", no_argument, 0, tok_obsolete, 'r'},
+ {opt_both, "skeleton", required_argument, 0, tok_skel, 'S'},
+ {opt_both, "token-table", no_argument, &token_table_flag, tok_noop, 'k'},
+
+ {0, 0, 0, 0, 0, 0}
+};
+
+/*--------------------------------------------------------.
+| Create the longoptions structure from the option_table, |
+| for the getopt file. |
+`--------------------------------------------------------*/
+void
+create_long_option_table ()
+{
+ int i = 0;
+ int j = 0;
+ int number_options;
+
+ for (number_options = 0; option_table[i].name; i++)
+ if (option_table[i].access == opt_cmd_line
+ || option_table[i].access == opt_both)
+ ++number_options;
+
+ longopts = XMALLOC (struct option, number_options + 1);
+ for (i = 0; option_table[i].name; i++)
+ if (option_table[i].access == opt_cmd_line
+ || option_table[i].access == opt_both)
+ {
+ /* Copy the struct information in the longoptions. */
+ longopts[j].name = option_table[i].name;
+ longopts[j].has_arg = option_table[i].has_arg;
+ longopts[j].flag = option_table[i].set_flag;
+ longopts[j++].val = option_table[i].val;
+ }
+ longopts[number_options].name = NULL;
+ longopts[number_options].has_arg = 0;
+ longopts[number_options].flag = NULL;
+ longopts[number_options].val = 0;
+}