cmd/localedef/parser.y

	parser.y revision 33cf071bf2879e2693faa899bc1c16776dcbf897
%{
/*
 * 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 2010 Nexenta Systems, Inc.  All rights reserved.
 * Copyright 2013 DEY Storage Systems, Inc.
 */

/*
 * POSIX localedef grammar.
 */

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

%}
%union {
    int     num;
    wchar_t     wc;
    char        *token;
    collsym_t   *collsym;
    collelem_t  *collelem;
}

%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_WS
%token      T_END
%token      T_COPY
%token      T_CHARMAP
%token      T_WIDTH
%token      T_CTYPE
%token      T_ISUPPER
%token      T_ISLOWER
%token      T_ISALPHA
%token      T_ISDIGIT
%token      T_ISPUNCT
%token      T_ISXDIGIT
%token      T_ISSPACE
%token      T_ISPRINT
%token      T_ISGRAPH
%token      T_ISBLANK
%token      T_ISCNTRL
%token      T_ISALNUM
%token      T_ISSPECIAL
%token      T_ISPHONOGRAM
%token      T_ISIDEOGRAM
%token      T_ISENGLISH
%token      T_ISNUMBER
%token      T_TOUPPER
%token      T_TOLOWER
%token      T_COLLATE
%token      T_COLLATING_SYMBOL
%token      T_COLLATING_ELEMENT
%token      T_ORDER_START
%token      T_ORDER_END
%token      T_FORWARD
%token      T_BACKWARD
%token      T_POSITION
%token      T_FROM
%token      T_UNDEFINED
%token      T_IGNORE
%token      T_MESSAGES
%token      T_YESSTR
%token      T_NOSTR
%token      T_YESEXPR
%token      T_NOEXPR
%token      T_MONETARY
%token      T_INT_CURR_SYMBOL
%token      T_CURRENCY_SYMBOL
%token      T_MON_DECIMAL_POINT
%token      T_MON_THOUSANDS_SEP
%token      T_POSITIVE_SIGN
%token      T_NEGATIVE_SIGN
%token      T_MON_GROUPING
%token      T_INT_FRAC_DIGITS
%token      T_FRAC_DIGITS
%token      T_P_CS_PRECEDES
%token      T_P_SEP_BY_SPACE
%token      T_N_CS_PRECEDES
%token      T_N_SEP_BY_SPACE
%token      T_P_SIGN_POSN
%token      T_N_SIGN_POSN
%token      T_INT_P_CS_PRECEDES
%token      T_INT_N_CS_PRECEDES
%token      T_INT_P_SEP_BY_SPACE
%token      T_INT_N_SEP_BY_SPACE
%token      T_INT_P_SIGN_POSN
%token      T_INT_N_SIGN_POSN
%token      T_NUMERIC
%token      T_DECIMAL_POINT
%token      T_THOUSANDS_SEP
%token      T_GROUPING
%token      T_TIME
%token      T_ABDAY
%token      T_DAY
%token      T_ABMON
%token      T_MON
%token      T_ERA
%token      T_ERA_D_FMT
%token      T_ERA_T_FMT
%token      T_ERA_D_T_FMT
%token      T_ALT_DIGITS
%token      T_D_T_FMT
%token      T_D_FMT
%token      T_T_FMT
%token      T_AM_PM
%token      T_T_FMT_AMPM
%token      T_DATE_FMT
%token  <wc>        T_CHAR
%token  <token>     T_NAME
%token  <num>       T_NUMBER
%token  <token>     T_SYMBOL
%token  <collsym>   T_COLLSYM
%token  <collelem>  T_COLLELEM

%%

localedef   : setting_list categories
        | categories
        ;

string      : T_QUOTE charlist T_QUOTE
        | T_QUOTE T_QUOTE
        ;

charlist    : charlist T_CHAR
        {
            add_wcs($2);
        }
        | T_CHAR
        {
            add_wcs($1);
        }
        ;

setting_list    : setting_list setting
        | setting
        ;


setting     : T_COM_CHAR T_CHAR T_NL
        {
            com_char = $2;
        }
        | T_ESC_CHAR T_CHAR T_NL
        {
            esc_char = $2;
        }
        | 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 string T_NL
        {
            wchar_t *w = get_wcs();
            set_wide_encoding(to_mb_string(w));
            free(w);
        }
        | T_CODE_SET T_NAME T_NL
        {
            set_wide_encoding($2);
        }
        ;

copycat     : T_COPY T_NAME T_NL
        {
            copy_category($2);
        }
        | T_COPY string T_NL
        {
            wchar_t *w = get_wcs();
            copy_category(to_mb_string(w));
            free(w);
        }
        ;

categories  : categories category
        | category
        ;


category    : charmap
        | messages
        | monetary
        | ctype
        | collate
        | numeric
        | time
        ;


charmap     : T_CHARMAP T_NL charmap_list T_END T_CHARMAP T_NL
        | T_WIDTH T_NL width_list T_END T_WIDTH 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
        ;

width_list  : width_list width_entry
        | width_entry
        ;

width_entry : T_CHAR T_NUMBER T_NL
        {
            add_width($1, $2);
        }
        | T_SYMBOL T_NUMBER T_NL
        {
            add_charmap_undefined($1);
        }
        | T_CHAR T_ELLIPSIS T_CHAR T_NUMBER T_NL
        {
            add_width_range($1, $3, $4);
        }
        | T_SYMBOL T_ELLIPSIS T_SYMBOL T_NUMBER T_NL
        {
            add_charmap_undefined($1);
            add_charmap_undefined($3);
        }
        | T_CHAR T_ELLIPSIS T_SYMBOL T_NUMBER T_NL
        {
            add_width($1, $4);
            add_charmap_undefined($3);
        }
        | T_SYMBOL T_ELLIPSIS T_CHAR T_NUMBER T_NL
        {
            add_width($3, $4);
            add_charmap_undefined($1);
        }
        | T_NL
        ;

ctype       : T_CTYPE T_NL ctype_list T_END T_CTYPE T_NL
        {
            dump_ctype();
        }
        | T_CTYPE T_NL copycat  T_END T_CTYPE T_NL
        ;

ctype_list  : ctype_list ctype_kw
        | ctype_kw
        ;

ctype_kw    : T_ISUPPER cc_list T_NL
        | T_ISLOWER cc_list T_NL
        | T_ISALPHA cc_list T_NL
        | T_ISDIGIT cc_list T_NL
        | T_ISPUNCT cc_list T_NL
        | T_ISXDIGIT cc_list T_NL
        | T_ISSPACE cc_list T_NL
        | T_ISPRINT cc_list T_NL
        | T_ISGRAPH cc_list T_NL
        | T_ISBLANK cc_list T_NL
        | T_ISCNTRL cc_list T_NL
        | T_ISALNUM cc_list T_NL
        | T_ISSPECIAL cc_list T_NL
        | T_ISENGLISH cc_list T_NL
        | T_ISNUMBER cc_list T_NL
        | T_ISIDEOGRAM cc_list T_NL
        | T_ISPHONOGRAM cc_list T_NL
        | T_TOUPPER conv_list T_NL
        | T_TOLOWER conv_list T_NL
        ;


cc_list     : cc_list T_SEMI T_CHAR
        {
            add_ctype($3);
        }
        | cc_list T_SEMI T_SYMBOL
        {
            add_charmap_undefined($3);
        }
        | cc_list T_SEMI T_ELLIPSIS T_SEMI T_CHAR
        {
            /* note that the endpoints *must* be characters */
            add_ctype_range($5);
        }
        | T_CHAR
        {
            add_ctype($1);
        }
        | T_SYMBOL
        {
            add_charmap_undefined($1);
        }
        ;

conv_list   : conv_list T_SEMI conv_pair
        | conv_pair
        ;


conv_pair   : T_LPAREN T_CHAR T_COMMA T_CHAR T_RPAREN
        {
            add_caseconv($2, $4);
        }
        | T_LPAREN T_SYMBOL T_COMMA T_CHAR T_RPAREN
        {
            add_charmap_undefined($2);
        }
        | T_LPAREN T_SYMBOL T_COMMA T_SYMBOL T_RPAREN
        {
            add_charmap_undefined($2);
            add_charmap_undefined($4);
        }
        | T_LPAREN T_CHAR T_COMMA T_SYMBOL T_RPAREN
        {
            add_charmap_undefined($4);
        }
        ;

collate     : T_COLLATE T_NL coll_order T_END T_COLLATE T_NL
        {
            dump_collate();
        }
        | T_COLLATE T_NL coll_optional coll_order T_END T_COLLATE T_NL
        {
            dump_collate();
        }
        | T_COLLATE T_NL copycat T_END T_COLLATE T_NL
        ;


coll_optional   : coll_optional coll_symbols
        | coll_optional coll_elements
        | coll_symbols
        | coll_elements
        ;


coll_symbols    : T_COLLATING_SYMBOL T_SYMBOL T_NL
        {
            define_collsym($2);
        }
        ;


coll_elements   : T_COLLATING_ELEMENT T_SYMBOL T_FROM string T_NL
        {
            define_collelem($2, get_wcs());
        }
        ;

coll_order  : T_ORDER_START T_NL order_list T_ORDER_END T_NL
        {
            /* If no order list supplied default to one forward */
            add_order_bit(T_FORWARD);
            add_order_directive();
        }
        | T_ORDER_START order_args T_NL order_list T_ORDER_END T_NL
        ;


order_args  : order_args T_SEMI order_arg
        {
            add_order_directive();
        }
        | order_arg
        {
            add_order_directive();
        }
        ;

order_arg   : order_arg T_COMMA order_dir
        | order_dir
        ;

order_dir   : T_FORWARD
        {
            add_order_bit(T_FORWARD);
        }
        | T_BACKWARD
        {
            add_order_bit(T_BACKWARD);
        }
        | T_POSITION
        {
            add_order_bit(T_POSITION);
        }
        ;

order_list  : order_list order_item
        | order_item
        ;

order_item  : T_COLLSYM T_NL
        {
            end_order_collsym($1);
        }
        | order_itemkw T_NL
        {
            end_order();
        }
        | order_itemkw order_weights T_NL
        {
            end_order();
        }
        ;

order_itemkw    : T_CHAR
        {
            start_order_char($1);
        }
        | T_ELLIPSIS
        {
            start_order_ellipsis();
        }
        | T_COLLELEM
        {
            start_order_collelem($1);
        }
        | T_UNDEFINED
        {
            start_order_undefined();
        }
        | T_SYMBOL
        {
            start_order_symbol($1);
        }
        ;

order_weights   : order_weights T_SEMI order_weight
        | order_weights T_SEMI
        | order_weight
        ;

order_weight    : T_COLLELEM
        {
            add_order_collelem($1);
        }
        | T_COLLSYM
        {
            add_order_collsym($1);
        }
        | T_CHAR
        {
            add_order_char($1);
        }
        | T_ELLIPSIS
        {
            add_order_ellipsis();
        }
        | T_IGNORE
        {
            add_order_ignore();
        }
        | T_SYMBOL
        {
            add_order_symbol($1);
        }
        | T_QUOTE order_str T_QUOTE
        {
            add_order_subst();
        }
        ;

order_str   : order_str order_stritem
        | order_stritem
        ;

order_stritem   : T_CHAR
        {
            add_subst_char($1);
        }
        | T_COLLSYM
        {
            add_subst_collsym($1);
        }
        | T_COLLELEM
        {
            add_subst_collelem($1);
        }
        | T_SYMBOL
        {
            add_subst_symbol($1);
        }
        ;

messages    : T_MESSAGES T_NL messages_list T_END T_MESSAGES T_NL
        {
            dump_messages();
        }
        | T_MESSAGES T_NL copycat T_END T_MESSAGES T_NL
        ;

messages_list   : messages_list messages_item
        | messages_item
        ;

messages_kw : T_YESSTR
        | T_NOSTR
        | T_YESEXPR
        | T_NOEXPR
        ;

messages_item   : messages_kw string T_NL
        {
            add_message(get_wcs());
        }
        ;

monetary    : T_MONETARY T_NL monetary_list T_END T_MONETARY T_NL
        {
            dump_monetary();
        }
        | T_MONETARY T_NL copycat T_END T_MONETARY T_NL
        ;

monetary_list   : monetary_list monetary_kw
        | monetary_kw
        ;

monetary_strkw  : T_INT_CURR_SYMBOL
        | T_CURRENCY_SYMBOL
        | T_MON_DECIMAL_POINT
        | T_MON_THOUSANDS_SEP
        | T_POSITIVE_SIGN
        | T_NEGATIVE_SIGN
        ;

monetary_numkw  : T_INT_FRAC_DIGITS
        | T_FRAC_DIGITS
        | T_P_CS_PRECEDES
        | T_P_SEP_BY_SPACE
        | T_N_CS_PRECEDES
        | T_N_SEP_BY_SPACE
        | T_P_SIGN_POSN
        | T_N_SIGN_POSN
        | T_INT_P_CS_PRECEDES
        | T_INT_N_CS_PRECEDES
        | T_INT_P_SEP_BY_SPACE
        | T_INT_N_SEP_BY_SPACE
        | T_INT_P_SIGN_POSN
        | T_INT_N_SIGN_POSN
        ;

monetary_kw : monetary_strkw string T_NL
        {
            add_monetary_str(get_wcs());
        }
        | monetary_numkw T_NUMBER T_NL
        {
            add_monetary_num($2);
        }
        | T_MON_GROUPING mon_group_list T_NL
        ;

mon_group_list  : T_NUMBER
        {
            reset_monetary_group();
            add_monetary_group($1);
        }
        | mon_group_list T_SEMI T_NUMBER
        {
            add_monetary_group($3);
        }
        ;


numeric     : T_NUMERIC T_NL numeric_list T_END T_NUMERIC T_NL
        {
            dump_numeric();
        }
        | T_NUMERIC T_NL copycat T_END T_NUMERIC T_NL
        ;


numeric_list    : numeric_list numeric_item
        | numeric_item
        ;


numeric_item    : numeric_strkw string T_NL
        {
            add_numeric_str(get_wcs());
        }
        | T_GROUPING group_list T_NL
        ;

numeric_strkw   : T_DECIMAL_POINT
        | T_THOUSANDS_SEP
        ;


group_list  : T_NUMBER
        {
            reset_numeric_group();
            add_numeric_group($1);
        }
        | group_list T_SEMI T_NUMBER
        {
            add_numeric_group($3);
        }
        ;


time        : T_TIME T_NL time_kwlist T_END T_TIME T_NL
        {
            dump_time();
        }
        | T_TIME T_NL copycat T_END T_NUMERIC T_NL
        ;

time_kwlist : time_kwlist time_kw
        | time_kw
        ;

time_kw     : time_strkw string T_NL
        {
            add_time_str(get_wcs());
        }
        | time_listkw time_list T_NL
        {
            check_time_list();
        }
        ;

time_listkw : T_ABDAY
        | T_DAY
        | T_ABMON
        | T_MON
        | T_ERA
        | T_ALT_DIGITS
        | T_AM_PM
        ;

time_strkw  : T_ERA_D_T_FMT
        | T_ERA_T_FMT
        | T_ERA_D_FMT
        | T_D_T_FMT
        | T_D_FMT
        | T_T_FMT
        | T_T_FMT_AMPM
        | T_DATE_FMT
        ;

time_list   : time_list T_SEMI string
        {
            add_time_list(get_wcs());
        }
        | string
        {
            reset_time_list();
            add_time_list(get_wcs());
        }
        ;