%{
/*
 * This file and its contents are supplied under the terms of the
 * Common Development and Distribution License ("CDDL"), version 1.0.
 * You may only use this file in accordance with the terms of version
 * 1.0 of the CDDL.
 *
 * A full copy of the text of the CDDL should have accompanied this
 * source.  A copy of the CDDL is also available via the Internet at
 * http://www.illumos.org/license/CDDL.
 */

/*
 * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
 */

/*
 * POSIX iconv charmap grammar.
 */

#include <wchar.h>
#include <stdio.h>
#include <limits.h>
#include "charmap.h"

extern int yylex(void);

%}
%union {
        char            *token;
        int             num;
        char            mbs[MB_LEN_MAX + 2]; /* NB: [0] is length! */
}

%token          T_CODE_SET
%token          T_MB_CUR_MAX
%token          T_MB_CUR_MIN
%token          T_COM_CHAR
%token          T_ESC_CHAR
%token          T_LT
%token          T_GT
%token          T_NL
%token          T_SEMI
%token          T_COMMA
%token          T_ELLIPSIS
%token          T_RPAREN
%token          T_LPAREN
%token          T_QUOTE
%token          T_NULL
%token          T_END
%token          T_CHARMAP
%token          T_WIDTH
%token          T_WIDTH_DEFAULT
%token  <mbs>           T_CHAR
%token  <token>         T_NAME
%token  <num>           T_NUMBER
%token  <token>         T_SYMBOL

%%

goal            : setting_list charmap
                | charmap
                ;

string          : T_QUOTE charlist T_QUOTE
                | T_QUOTE T_QUOTE
                ;

charlist        : charlist T_CHAR
                | T_CHAR
                ;

setting_list    : setting_list setting
                | setting
                ;

setting         : T_COM_CHAR T_CHAR T_NL
                {
                        com_char = $2[1];
                }
                | T_ESC_CHAR T_CHAR T_NL
                {
                        esc_char = $2[1];
                }
                | T_MB_CUR_MAX T_NUMBER T_NL
                {
                        mb_cur_max = $2;
                }
                | T_MB_CUR_MIN T_NUMBER T_NL
                {
                        mb_cur_min = $2;
                }
                | T_CODE_SET T_NAME T_NL
                {
                        /* ignore */
                }
                | T_CODE_SET string T_NL
                {
                        /* ignore */
                }
                ;

charmap         : T_CHARMAP T_NL charmap_list T_END T_CHARMAP T_NL

charmap_list    : charmap_list charmap_entry
                | charmap_entry
                ;

charmap_entry   : T_SYMBOL T_CHAR
                {
                        add_charmap($1, $2);
                        scan_to_eol();
                }
                | T_SYMBOL T_ELLIPSIS T_SYMBOL T_CHAR
                {
                        add_charmap_range($1, $3, $4);
                        scan_to_eol();
                }
                | T_NL
                ;