/*1* Copyright (c) 2004 Kungliga Tekniska Högskolan2* (Royal Institute of Technology, Stockholm, Sweden).3* All rights reserved.4*5* Redistribution and use in source and binary forms, with or without6* modification, are permitted provided that the following conditions7* are met:8*9* 1. Redistributions of source code must retain the above copyright10* notice, this list of conditions and the following disclaimer.11*12* 2. Redistributions in binary form must reproduce the above copyright13* notice, this list of conditions and the following disclaimer in the14* documentation and/or other materials provided with the distribution.15*16* 3. Neither the name of the Institute nor the names of its contributors17* may be used to endorse or promote products derived from this software18* without specific prior written permission.19*20* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND21* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE22* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE23* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE24* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL25* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS26* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)27* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT28* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY29* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF30* SUCH DAMAGE.31*/3233/* $Id$ */34#include <stdio.h>35#include <string.h>36#include <stdarg.h>3738struct assignment {39char *name;40enum { a_value, a_assignment } type;41union {42char *value;43struct assignment *assignment;44} u;45unsigned int lineno;46struct assignment *next;47};4849extern char *filename;50extern int error_flag;51void error_message (const char *format, ...);52int yylex(void);53void yyerror (char *s);54extern unsigned lineno;555657