%{
#include <stdio.h>
#include "p5.tab.h"
%}
binaryOperation     UINION|INTERSECT|MINUS|TIMES|JOIN|DIVIDEBY
compare         <|>|<=|>=|=|<>
attribute       CNO|CITY|CNAME|SNO|PNO|TQTY|SNAME|QUOTA|PNAME|COST|AVQTY|S#|STATUS|P#|COLOR|WEIGHT|QTY
relation        S|P|SP|PRDCT|CUST|ORDERS
%%
[ \t\n]+        ;
{binaryOperation}   return binaryOperation;
{compare}       return compare;
[0-9]+          return val;
{attribute}     return attribute;
{relation}      return relation;
"RENAME"        return RENAME;
"AS"            return AS;
"WHERE"         return WHERE;
"("         return '(';
")"         return ')';
"["         return '[';
"]"         return ']';
","         return ',';
.           {printf("REJECT\n");
                exit(0);}
%%