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lex.l revision 1.1 
      1  1.1  cgd %{
      2  1.1  cgd /*-
      3  1.1  cgd  * Copyright (c) 1990 The Regents of the University of California.
      4  1.1  cgd  * All rights reserved.
      5  1.1  cgd  *
      6  1.1  cgd  * This code is derived from software contributed to Berkeley by
      7  1.1  cgd  * Ed James.
      8  1.1  cgd  *
      9  1.1  cgd  * Redistribution and use in source and binary forms, with or without
     10  1.1  cgd  * modification, are permitted provided that the following conditions
     11  1.1  cgd  * are met:
     12  1.1  cgd  * 1. Redistributions of source code must retain the above copyright
     13  1.1  cgd  *    notice, this list of conditions and the following disclaimer.
     14  1.1  cgd  * 2. Redistributions in binary form must reproduce the above copyright
     15  1.1  cgd  *    notice, this list of conditions and the following disclaimer in the
     16  1.1  cgd  *    documentation and/or other materials provided with the distribution.
     17  1.1  cgd  * 3. All advertising materials mentioning features or use of this software
     18  1.1  cgd  *    must display the following acknowledgement:
     19  1.1  cgd  *	This product includes software developed by the University of
     20  1.1  cgd  *	California, Berkeley and its contributors.
     21  1.1  cgd  * 4. Neither the name of the University nor the names of its contributors
     22  1.1  cgd  *    may be used to endorse or promote products derived from this software
     23  1.1  cgd  *    without specific prior written permission.
     24  1.1  cgd  *
     25  1.1  cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     26  1.1  cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     27  1.1  cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     28  1.1  cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     29  1.1  cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     30  1.1  cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     31  1.1  cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     32  1.1  cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     33  1.1  cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     34  1.1  cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     35  1.1  cgd  * SUCH DAMAGE.
     36  1.1  cgd  */
     37  1.1  cgd 
     38  1.1  cgd /*
     39  1.1  cgd  * Copyright (c) 1987 by Ed James, UC Berkeley.  All rights reserved.
     40  1.1  cgd  *
     41  1.1  cgd  * Copy permission is hereby granted provided that this notice is
     42  1.1  cgd  * retained on all partial or complete copies.
     43  1.1  cgd  *
     44  1.1  cgd  * For more info on this and all of my stuff, mail edjames (at) berkeley.edu.
     45  1.1  cgd  */
     46  1.1  cgd 
     47  1.1  cgd #ifndef lint
     48  1.1  cgd static char sccsid[] = "@(#)lex.l	5.2 (Berkeley) 4/30/90";
     49  1.1  cgd #endif /* not lint */
     50  1.1  cgd 
     51  1.1  cgd #include "y.tab.h"
     52  1.1  cgd extern int	line;
     53  1.1  cgd 
     54  1.1  cgd %}
     55  1.1  cgd %%
     56  1.1  cgd [0-9]+			{ yylval.ival = atoi(yytext);  return(ConstOp); }
     57  1.1  cgd height			{ return(HeightOp); }
     58  1.1  cgd width			{ return(WidthOp); }
     59  1.1  cgd newplane		{ return(NewplaneOp); }
     60  1.1  cgd update			{ return(UpdateOp); }
     61  1.1  cgd airport			{ return(AirportOp); }
     62  1.1  cgd line			{ return(LineOp); }
     63  1.1  cgd exit			{ return(ExitOp); }
     64  1.1  cgd beacon			{ return(BeaconOp); }
     65  1.1  cgd [wedcxzaq]		{ yylval.cval = *yytext; return (DirOp); }
     66  1.1  cgd [ \t]+			{ }
     67  1.1  cgd #[^\n]*\n		{ line++; }
     68  1.1  cgd \n			{ line++; }
     69  1.1  cgd .			{ return *yytext; }
     70