/*

 * replace.lex : A simple filter for renaming

 *               parts of flex of bison generated

 *               scanners or parsers.

 */

%{

#include <stdio.h>

char lower_replace[1024];

char upper_replace[1024];

%}

%%

"yy"   printf("%s",lower_replace); 

"YY"   printf("%s",upper_replace);

,      ECHO;

%%

int main(int argc, char *argv[])

{

   if(argc < 2){

     printf("Usage %s lower UPPER\n",argv[0]);

     exit(1);

   }

   strcpy(lower_replace,argv[1]);

   strcpy(upper_replace,argv[2]);

   yylex();

   return(0);

}