%{
 
#include <stdio.h>
 
#define COMM_L 257
#define COMM_T 258
#define STRING 259
 
%}
 
%x COMMENT
 
%%
 
\"(\\.|[^\"])*\" { return STRING;}
\/\/[^\n]* { return COMM_L;}
"/*" { BEGIN( COMMENT); yymore();}
<COMMENT>.|\n { yymore();}
<COMMENT>"*/" { BEGIN( INITIAL); return COMM_T;}
 
%%
 
int yywrap( void){ return 1;}
 
int main( int argc,char **argv)
{
  int tokentype;
  while( tokentype = yylex()){
    printf("%d %s\n",tokentype,yytext);
  }
  return 0;
}
 

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