freebsd-dev/usr.bin/colldef/parse.y
Andrey A. Chernov a1c128ae2a collate tables compiler
Submitted by: alex@elvisti.kiev.ua
1995-02-17 17:29:50 +00:00

249 lines
6.4 KiB
Plaintext

%{
/*-
* Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua>
* at Electronni Visti IA, Kiev, Ukraine.
* All rights reserved.
*
* 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 AUTHOR ``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 AUTHOR 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.
*
* $Id: parse.y,v 1.2 1995/01/24 11:15:47 alex Exp alex $
*/
#include <err.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sysexits.h>
#include "collate.h"
extern int line_no;
extern FILE *yyin;
u_char __collate_charmap_table[UCHAR_MAX + 1][STR_LEN];
u_char __collate_substitute_table[UCHAR_MAX + 1][STR_LEN];
struct __collate_st_char_pri __collate_char_pri_table[UCHAR_MAX + 1];
struct __collate_st_name_pri __collate_name_pri_table[TABLE_SIZE];
struct __collate_st_chain_pri __collate_chain_pri_table[TABLE_SIZE];
int name_index, chain_index;
int prim_pri = 1, sec_pri = 1;
#ifdef COLLATE_DEBUG
int debug;
#endif
char *out_file = "LC_COLLATE";
%}
%union {
u_char ch;
u_char str[STR_LEN];
}
%token SUBSTITUTE WITH ORDER RANGE
%token <str> STRING
%token <str> NAME
%token <str> CHAIN
%token <ch> CHAR
%%
collate : statment_list
;
statment_list : statment
| statment_list '\n' statment
;
statment :
| charmap
| substitute
| order
;
charmap : CHAIN CHAR {
strcpy(__collate_charmap_table[$2], $1);
}
| CHAR CHAR {
__collate_charmap_table[$2][0] = $1;
__collate_charmap_table[$2][1] = '\0';
}
;
substitute : SUBSTITUTE STRING WITH STRING {
strcpy(__collate_substitute_table[$2[0]], $4);
}
;
order : ORDER order_list {
FILE *fp = fopen(out_file, "w");
if(!fp)
err(EX_UNAVAILABLE, "con't open destination file %s",
out_file);
fwrite(__collate_charmap_table, sizeof(__collate_charmap_table), 1, fp);
fwrite(__collate_substitute_table, sizeof(__collate_substitute_table), 1, fp);
fwrite(__collate_char_pri_table, sizeof(__collate_char_pri_table), 1, fp);
fwrite(__collate_chain_pri_table, sizeof(__collate_chain_pri_table), 1, fp);
fwrite(__collate_name_pri_table, sizeof(__collate_name_pri_table), 1, fp);
#ifdef COLLATE_DEBUG
if (debug)
__collate_print_tables();
#endif
exit(EX_OK);
}
;
order_list : item
| order_list ';' item
;
item : CHAR { __collate_char_pri_table[$1].prim = prim_pri++; }
| CHAIN {
if (chain_index >= TABLE_SIZE - 1)
yyerror("__collate_chain_pri_table overflow");
strcpy(__collate_chain_pri_table[chain_index].str, $1);
__collate_chain_pri_table[chain_index++].prim = prim_pri++;
}
| NAME {
if (name_index >= TABLE_SIZE - 1)
yyerror("__collate_name_pri_table overflow");
strcpy(__collate_name_pri_table[name_index].str, $1);
__collate_name_pri_table[name_index++].prim = prim_pri++;
}
| CHAR RANGE CHAR {
u_int i;
if ($3 <= $1)
yyerror("Illegal range %c -- %c near line %d\n",
$1, $3, line_no);
for (i = $1; i <= $3; i++) {
__collate_char_pri_table[(u_char)i].prim = prim_pri++;
}
}
| '{' prim_order_list '}' {
prim_pri++;
}
| '(' sec_order_list ')' {
prim_pri++;
sec_pri = 1;
}
;
prim_order_list : prim_sub_item
| prim_order_list ',' prim_sub_item
;
sec_order_list : sec_sub_item
| sec_order_list ',' sec_sub_item
;
prim_sub_item : CHAR {
__collate_char_pri_table[$1].prim = prim_pri;
}
| CHAR RANGE CHAR {
u_int i;
if ($3 <= $1)
yyerror("Illegal range %c -- %c near line %d\n",
$1, $3, line_no);
for (i = $1; i <= $3; i++) {
__collate_char_pri_table[(u_char)i].prim = prim_pri;
}
}
| NAME {
if (name_index >= TABLE_SIZE - 1)
yyerror("__collate_name_pri_table overflow");
strcpy(__collate_name_pri_table[name_index].str, $1);
__collate_name_pri_table[name_index++].prim = prim_pri;
}
| CHAIN {
if (chain_index >= TABLE_SIZE - 1)
yyerror("__collate_chain_pri_table overflow");
strcpy(__collate_chain_pri_table[chain_index].str, $1);
__collate_chain_pri_table[chain_index++].prim = prim_pri;
}
;
sec_sub_item : CHAR {
__collate_char_pri_table[$1].prim = prim_pri;
__collate_char_pri_table[$1].sec = sec_pri++;
}
| CHAR RANGE CHAR {
u_int i;
if ($3 <= $1)
yyerror("Illegal range %c -- %c near line %d\n",
$1, $3, line_no);
for (i = $1; i <= $3; i++) {
__collate_char_pri_table[(u_char)i].prim = prim_pri;
__collate_char_pri_table[(u_char)i].sec = sec_pri++;
}
}
| NAME {
if (name_index >= TABLE_SIZE - 1)
yyerror("__collate_name_pri_table overflow");
strcpy(__collate_name_pri_table[name_index].str, $1);
__collate_name_pri_table[name_index].prim = prim_pri;
__collate_name_pri_table[name_index++].sec = sec_pri++;
}
| CHAIN {
if (chain_index >= TABLE_SIZE - 1)
yyerror("__collate_chain_pri_table overflow");
strcpy(__collate_chain_pri_table[chain_index].str, $1);
__collate_chain_pri_table[chain_index].prim = prim_pri;
__collate_chain_pri_table[chain_index++].sec = sec_pri++;
}
;
%%
main(ac, av)
char **av;
{
int ch;
#ifdef COLLATE_DEBUG
while((ch = getopt(ac, av, ":do:")) != EOF) {
#else
while((ch = getopt(ac, av, ":o:")) != EOF) {
#endif
switch (ch)
{
#ifdef COLLATE_DEBUG
case 'd':
debug++;
break;
#endif
case 'o':
out_file = optarg;
break;
default:
fprintf(stderr, "Usage: %s [-o out_file] [in_file]\n",
av[0]);
exit(EX_OK);
}
}
ac -= optind;
av += optind;
if(ac > 0) {
if((yyin = fopen(*av, "r")) == 0)
err(EX_UNAVAILABLE, "can't open source file %s", *av);
}
for(ch = 0; ch <= UCHAR_MAX; ch++)
__collate_substitute_table[ch][0] = ch;
yyparse();
return 0;
}
yyerror(msg)
char *msg;
{
errx(EX_UNAVAILABLE, "%s near line %d", msg, line_no);
}