1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
|
/*
M O D U L O . C
*/
#include "iccomp.h"
ESTRUC_ *modulo (lval, rval)
ESTRUC_
*lval,
*rval;
{
if (test_binop(op_mod, lval, rval))
return (lval); /* test for correct types */
btoi(lval); /* convert pending booleans */
btoi(rval);
if (conflict(lval, rval, op_mod)) /* test type conflict */
return(lval);
if (test_type(rval, e_const))
{
if (!rval->evalue) /* no "E / 0" */
{
semantic("modulo 0: undefined");
clearbin(lval, rval);
return (lval);
}
if (test_type(lval, e_const))
{
lval->evalue %= rval->evalue;
return (lval);
}
}
defcode(lval, rval, op_mod);
return (lval); /* return new expression */
}
|