%{
/*
 * Copyright (C) 1999, 2000, 2001 Lorenzo Bettini <http://www.lorenzobettini.it>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <iostream>
#include "my_sstream.h"
#include "tags.h"
#include "colors.h"
#include "keys.h"
#include "messages.h"
#include "parsetags.h"
#include "fileutil.h"
using std::cerr;
static int yyparse() ;
static void yyerror( char *s ) ;
int line = 1 ;
static void add_tag(Tags *tags, Tag *t);
extern int opsc_lex() ;
extern FILE *opsc_in ;
%}
%union {
 int tok ; /* command */
 char * string ; /* string : id, ... */
 int flag ;
 Tag *tag ;
 Tags *tags ;
} ;
%token <flag> BOLD ITALICS UNDERLINE
%token <string> KEY COLOR
%type <tag> option
%type <tags> options
%type <flag> values value
%%
globaltags : options { setTags( 1ドル ) ; }
;
options : options option { add_tag( 1,ドル 2ドル ) ; }
 | option { $$ = new Tags() ; $$->AddTag( 1ドル ) ; }
 ;
option : KEY COLOR
 {
 printMessage( 1ドル ) ;
 printMessage( 2ドル ) ;
 }
 values ';'
 {
	 $$ = new Tag( 1,ドル 2ドル ) ;
 $$->SetFlags(4ドル) ;
	 }
 ;
values : values ',' value { $$ = 1ドル | 3ドル ; }
 | value
 ;
value : { $$ = 0 ; printMessage( " (no options) " ) ; }
 | BOLD { printMessage( " - bold" ) ; $$ = ISBOLD ; }
 | ITALICS { printMessage( " - italics" ) ; $$ = ISITALIC ; }
 | UNDERLINE { printMessage( " - underline" ) ; $$ = ISUNDERLINE ; }
 ;
%%
char *current_file = 0;
void
parseTags(const string &path, const string &name)
{
 // opens the file for yylex
 opsc_in = open_data_file_stream(path, name);
 printMessage_noln( "Parsing ", cerr ) ;
 printMessage_noln (name, cerr);
 printMessage( " file ...", cerr ) ;
 yyparse() ;
 printMessage( "Parsing done!", cerr ) ;
}
void
yyerror( char *s )
{
 ostringstream str ;
 str << current_file << ":" << line << ": " << s << ", in option declaration";
 printError( str.str().c_str(), cerr ) ;
 exit(EXIT_FAILURE);
}
void
add_tag(Tags *tags, Tag *t)
{
 if (! tags->AddTag(t))
 {
 yyerror("already defined");
 }
}

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