view core/src/luan/impl/AndExpr.java @ 460:b48cfa14ba60

improve stack trace
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 06 May 2015 14:32:29 -0600
parents bf5e62a9090c
children 859c0dedc8b6
line wrap: on
line source

package luan.impl;

import luan.Luan;
import luan.LuanException;
import luan.LuanElement;


final class AndExpr extends BinaryOpExpr {

	AndExpr(LuanElement se,Expr op1,Expr op2) {
		super(se,op1,op2);
	}

	@Override public Object eval(LuanStateImpl luan) throws LuanException {
		Object v1 = op1.eval(luan);
		return v1 == null || Boolean.FALSE.equals(v1) ? v1 : op2.eval(luan);
	}
}