view core/src/luan/impl/MulExpr.java @ 372:f08cefa4594c

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author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 17 Apr 2015 07:58:20 -0600
parents 3dcb0f9bee82
children bbad2d06f728
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package luan.impl;

import luan.Luan;
import luan.LuanException;
import luan.LuanSource;


final class MulExpr extends BinaryOpExpr {

	MulExpr(LuanSource.Element se,Expr op1,Expr op2) {
		super(se,op1,op2);
	}

	@Override public Object eval(LuanStateImpl luan) throws LuanException {
		Object o1 = op1.eval(luan);
		Object o2 = op2.eval(luan);
		Number n1 = Luan.toNumber(o1);
		Number n2 = Luan.toNumber(o2);
		if( n1 != null && n2 != null )
			return n1.doubleValue() * n2.doubleValue();
		return arithmetic(luan,"__mul",o1,o2);
	}
}