* src/lex.c (parse_percent_token): Change type of variable `tx', which

is now an option_table_struct*.
(option_strcmp): New function option_strcmp.
(parse_percent_token): Call option_strcmp.
* src/getargs.c (xalloc.h, options.h): Include it.
(getargs): Call create_long_option_table.
(getargs): Free longopts at the end of the function.
(shortopts): Move in options.c.
* src/options.c (create_long_option_table): New function.  Convert
information from option_table to option structure.
* src/reader.c (options.h): Include it.
* src/Makefile.am: Adjust.
* src/options.c (option_table): Create from longopts and percent_table.
* src/getargs.c (longopts): Delete.
* src/lex.c (struct percent_table_struct): Delete.
(percent_table): Delete.
(options.h): Include it.
* src/options.c: Create.
* src/options.h: Create.
Declare enum opt_access_e.
Define struct option_table_struct.

src/options.h

@@ -0,0 +1,62 @@
+/* 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.  */
+
+#ifndef OPTIONS_H_
+# define OPTIONS_H_
+
+/* opt_access_t and struct option_table_struct need to be declare 
+   here, for the parse_percent_token function in lex.c.  */
+
+/* Option accessibility.  */
+typedef enum opt_access_e
+{
+  opt_cmd_line = 1,
+  opt_percent,
+  opt_both
+} opt_access_t;
+
+/* This is the general struct, which contains user's options from
+   command line or in grammar with percent flag.  */
+struct option_table_struct
+{
+  /* Set the accessibility.  */
+  opt_access_t access;
+  /* This name is used for long option et percent directives.  */
+  const char *name;
+  /* Use for command line.  */
+  int has_arg;
+  /* A set_flag value causes the named flag to be set.  */
+  int *set_flag;
+  /* A retval action returns the code.  */
+  int ret_val;
+  /* The short option value, frequently a letter.  */
+  int val;
+};
+
+extern const char *shortopts;
+extern struct option *longopts;
+
+/* Table which contain all options.  */
+extern const struct option_table_struct option_table[];
+
+/* Set the longopts variable from option_table.  */
+void create_long_option_table PARAMS (());
+
+#endif /* !OPTIONS_H_ */