/*
File: woof7.l
This version splits up the program into 3 pieces: woof7.y, parser.h and
parser.c. Compile using:

% flex woof7.l
% gcc -c lex.yy.c
% gcc -c parser.c
% gcc parser.o lex.yy.o

*/

%option noyywrap

%{
#include <stdio.h>
#include "parser.h"
 
extern YYSTYPE yylval ;

%}

%%

<<EOF>> { 
   sprintf(yylval, "\nWoof! are we done talking?\n"); 
   return END; 
}

treat { 
   sprintf(yylval, "\n!!!%s!!! Woof! yummy!\n", yytext); 
   return HEARD;
}

walk { 
   sprintf(yylval, "\n!!!%s!!! Woof! where's the leash?\n", yytext); 
   return HEARD; 
}

dinner { 
   sprintf(yylval, "\n!!!%s!!! Woof! I'm hungry!\n", yytext); 
   return HEARD; 
}

good\ dog { 
   sprintf(yylval, "\n!!!%s!!! Woof! talking about me!\n", yytext); 
   return HEARD;
}

[@#%$^&] {
   return yytext[0] ;

}

\n { 
   yylval[0] = '\0' ;
   return NEWLINE; 
}

. { 
   yylval[0] = '\0' ;
   return IGNORED; 
}

%%