320 lines
8.2 KiB
Plaintext
320 lines
8.2 KiB
Plaintext
%{
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/*-
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* Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua>
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* at Electronni Visti IA, Kiev, Ukraine.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <err.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sysexits.h>
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#include "collate.h"
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#include "common.h"
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extern FILE *yyin;
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void yyerror(const char *fmt, ...) __printflike(1, 2);
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int yyparse(void);
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int yylex(void);
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static void usage(void);
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static void collate_print_tables(void);
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char map_name[FILENAME_MAX] = ".";
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char __collate_version[STR_LEN];
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u_char charmap_table[UCHAR_MAX + 1][CHARMAP_SYMBOL_LEN];
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#undef __collate_substitute_table
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u_char __collate_substitute_table[UCHAR_MAX + 1][STR_LEN];
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#undef __collate_char_pri_table
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struct __collate_st_char_pri __collate_char_pri_table[UCHAR_MAX + 1];
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#undef __collate_chain_pri_table
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struct __collate_st_chain_pri __collate_chain_pri_table[TABLE_SIZE];
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int chain_index;
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int prim_pri = 1, sec_pri = 1;
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#ifdef COLLATE_DEBUG
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int debug;
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#endif
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const char *out_file = "LC_COLLATE";
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%}
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%union {
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u_char ch;
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u_char str[BUFSIZE];
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}
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%token SUBSTITUTE WITH ORDER RANGE
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%token <str> STRING
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%token <str> CHAIN
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%token <str> DEFN
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%token <ch> CHAR
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%%
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collate : statment_list
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;
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statment_list : statment
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| statment_list '\n' statment
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;
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statment :
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| charmap
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| substitute
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| order
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;
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charmap : DEFN CHAR {
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if (strlen($1) + 1 > CHARMAP_SYMBOL_LEN)
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yyerror("Charmap symbol name '%s' is too long", $1);
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strcpy(charmap_table[$2], $1);
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}
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;
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substitute : SUBSTITUTE CHAR WITH STRING {
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if ($2 == '\0')
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yyerror("NUL character can't be substituted");
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if (strchr($4, $2) != NULL)
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yyerror("Char 0x%02x substitution is recursive", $2);
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if (strlen($4) + 1 > STR_LEN)
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yyerror("Char 0x%02x substitution is too long", $2);
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strcpy(__collate_substitute_table[$2], $4);
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}
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;
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order : ORDER order_list {
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FILE *fp;
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int ch, substed, ordered;
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for (ch = 0; ch < UCHAR_MAX + 1; ch++) {
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substed = (__collate_substitute_table[ch][0] != ch);
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ordered = !!__collate_char_pri_table[ch].prim;
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if (!ordered && !substed)
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yyerror("Char 0x%02x not found", ch);
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if (substed && ordered)
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yyerror("Char 0x%02x can't be ordered since substituted", ch);
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}
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fp = fopen(out_file, "w");
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if(!fp)
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err(EX_UNAVAILABLE, "can't open destination file %s",
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out_file);
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strcpy(__collate_version, COLLATE_VERSION);
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fwrite(__collate_version, sizeof(__collate_version), 1, fp);
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fwrite(__collate_substitute_table, sizeof(__collate_substitute_table), 1, fp);
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fwrite(__collate_char_pri_table, sizeof(__collate_char_pri_table), 1, fp);
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fwrite(__collate_chain_pri_table, sizeof(__collate_chain_pri_table), 1, fp);
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if (fflush(fp))
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err(EX_UNAVAILABLE, "IO error writting to destination file %s",
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out_file);
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fclose(fp);
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#ifdef COLLATE_DEBUG
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if (debug)
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collate_print_tables();
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#endif
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exit(EX_OK);
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}
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;
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order_list : item
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| order_list ';' item
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;
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item : CHAR {
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if (__collate_char_pri_table[$1].prim)
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yyerror("Char 0x%02x duplicated", $1);
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__collate_char_pri_table[$1].prim = prim_pri++;
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}
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| CHAIN {
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if (chain_index >= TABLE_SIZE - 1)
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yyerror("__collate_chain_pri_table overflow");
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if (strlen($1) + 1 > STR_LEN)
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yyerror("Chain %d is too long", chain_index);
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strcpy(__collate_chain_pri_table[chain_index].str, $1);
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__collate_chain_pri_table[chain_index++].prim = prim_pri++;
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}
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| CHAR RANGE CHAR {
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u_int i;
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if ($3 <= $1)
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yyerror("Illegal range 0x%02x -- 0x%02x", $1, $3);
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for (i = $1; i <= $3; i++) {
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if (__collate_char_pri_table[(u_char)i].prim)
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yyerror("Char 0x%02x duplicated", (u_char)i);
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__collate_char_pri_table[(u_char)i].prim = prim_pri++;
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}
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}
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| '{' prim_order_list '}' {
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prim_pri++;
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}
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| '(' sec_order_list ')' {
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prim_pri++;
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sec_pri = 1;
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}
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;
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prim_order_list : prim_sub_item
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| prim_order_list ',' prim_sub_item
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;
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sec_order_list : sec_sub_item
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| sec_order_list ',' sec_sub_item
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;
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prim_sub_item : CHAR {
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if (__collate_char_pri_table[$1].prim)
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yyerror("Char 0x%02x duplicated", $1);
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__collate_char_pri_table[$1].prim = prim_pri;
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}
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| CHAR RANGE CHAR {
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u_int i;
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if ($3 <= $1)
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yyerror("Illegal range 0x%02x -- 0x%02x",
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$1, $3);
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for (i = $1; i <= $3; i++) {
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if (__collate_char_pri_table[(u_char)i].prim)
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yyerror("Char 0x%02x duplicated", (u_char)i);
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__collate_char_pri_table[(u_char)i].prim = prim_pri;
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}
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}
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| CHAIN {
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if (chain_index >= TABLE_SIZE - 1)
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yyerror("__collate_chain_pri_table overflow");
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if (strlen($1) + 1 > STR_LEN)
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yyerror("Chain %d is too long", chain_index);
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strcpy(__collate_chain_pri_table[chain_index].str, $1);
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__collate_chain_pri_table[chain_index++].prim = prim_pri;
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}
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;
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sec_sub_item : CHAR {
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if (__collate_char_pri_table[$1].prim)
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yyerror("Char 0x%02x duplicated", $1);
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__collate_char_pri_table[$1].prim = prim_pri;
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__collate_char_pri_table[$1].sec = sec_pri++;
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}
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| CHAR RANGE CHAR {
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u_int i;
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if ($3 <= $1)
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yyerror("Illegal range 0x%02x -- 0x%02x",
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$1, $3);
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for (i = $1; i <= $3; i++) {
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if (__collate_char_pri_table[(u_char)i].prim)
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yyerror("Char 0x%02x duplicated", (u_char)i);
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__collate_char_pri_table[(u_char)i].prim = prim_pri;
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__collate_char_pri_table[(u_char)i].sec = sec_pri++;
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}
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}
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| CHAIN {
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if (chain_index >= TABLE_SIZE - 1)
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yyerror("__collate_chain_pri_table overflow");
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if (strlen($1) + 1 > STR_LEN)
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yyerror("Chain %d is too long", chain_index);
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strcpy(__collate_chain_pri_table[chain_index].str, $1);
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__collate_chain_pri_table[chain_index].prim = prim_pri;
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__collate_chain_pri_table[chain_index++].sec = sec_pri++;
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}
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;
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%%
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int
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main(int ac, char **av)
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{
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int ch;
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#ifdef COLLATE_DEBUG
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while((ch = getopt(ac, av, ":do:I:")) != EOF) {
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#else
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while((ch = getopt(ac, av, ":o:I:")) != EOF) {
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#endif
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switch (ch)
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{
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#ifdef COLLATE_DEBUG
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case 'd':
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debug++;
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break;
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#endif
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case 'o':
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out_file = optarg;
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break;
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case 'I':
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strlcpy(map_name, optarg, sizeof(map_name));
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break;
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default:
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usage();
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}
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}
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ac -= optind;
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av += optind;
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if(ac > 0) {
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if((yyin = fopen(*av, "r")) == 0)
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err(EX_UNAVAILABLE, "can't open source file %s", *av);
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}
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for(ch = 0; ch <= UCHAR_MAX; ch++)
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__collate_substitute_table[ch][0] = ch;
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yyparse();
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return 0;
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}
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static void
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usage(void)
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{
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fprintf(stderr, "usage: colldef [-o out_file] [-I map_dir] [filename]\n");
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exit(EX_USAGE);
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}
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void
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yyerror(const char *fmt, ...)
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{
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va_list ap;
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char msg[128];
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va_start(ap, fmt);
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vsnprintf(msg, sizeof(msg), fmt, ap);
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va_end(ap);
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errx(EX_UNAVAILABLE, "%s near line %d", msg, line_no);
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}
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#ifdef COLLATE_DEBUG
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static void
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collate_print_tables(void)
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{
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int i;
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struct __collate_st_chain_pri *p2;
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printf("Substitute table:\n");
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for (i = 0; i < UCHAR_MAX + 1; i++)
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if (i != *__collate_substitute_table[i])
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printf("\t'%c' --> \"%s\"\n", i,
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__collate_substitute_table[i]);
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printf("Chain priority table:\n");
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for (p2 = __collate_chain_pri_table; p2->str[0]; p2++)
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printf("\t\"%s\" : %d %d\n\n", p2->str, p2->prim, p2->sec);
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printf("Char priority table:\n");
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for (i = 0; i < UCHAR_MAX + 1; i++)
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printf("\t'%c' : %d %d\n", i, __collate_char_pri_table[i].prim,
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__collate_char_pri_table[i].sec);
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}
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#endif
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