freebsd-dev/usr.bin/localedef/parser.y
Baptiste Daroussin 057ca2d437 Add localedef(1), a locale definition generator tool
The localedef tool can read entire (and unmodified) CLDR posix definition
files, and generate all 6 LC categories: LC_COLLATE, LC_CTYPE, LC_TIME,
LC_NUMERIC, LC_MONETARY and LC_MESSAGES.

This tool has a long history with Solaris.  The Nexenta developers
modified it to read CLDR files and created the much richer collation
formats.  The libc collation functions have to be modified to read the
new format (called "BSD-1.0") and to handle the new data structures.

The result will be that locale-sensitive tools and functions will now
properly sort multibyte and unicode strings.

Obtained from:	Dragonfly
2015-08-07 23:53:31 +00:00

707 lines
12 KiB
Plaintext

%{
/*
* Copyright 2010 Nexenta Systems, Inc. All rights reserved.
* Copyright 2015 John Marino <draco@marino.st>
*
* This source code is derived from the illumos localedef command, and
* provided under BSD-style license terms by Nexenta Systems, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* 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());
}
;