view src/luan/interp/MulExpr.java @ 31:5cf15507d77e

separate interpreter from interface git-svn-id: https://luan-java.googlecode.com/svn/trunk@32 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Thu, 13 Dec 2012 02:50:04 +0000
parents b7d7069fee58
children e51906de0f11
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line source

package luan.interp;

import luan.Lua;
import luan.LuaNumber;
import luan.LuaException;


final class MulExpr extends BinaryOpExpr {

	MulExpr(Expr op1,Expr op2) {
		super(op1,op2);
	}

	@Override public Object eval(LuaStateImpl lua) throws LuaException {
		double n1 = Lua.checkNumber(op1.eval(lua)).value();
		double n2 = Lua.checkNumber(op2.eval(lua)).value();
		return new LuaNumber( n1 * n2 );
	}
}