view src/luan/interp/ExpressionsExpr.java @ 21:c93d8c781853

add functions git-svn-id: https://luan-java.googlecode.com/svn/trunk@22 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Tue, 04 Dec 2012 09:16:03 +0000
parents 3b22ffbdb83a
children 5cf15507d77e
line wrap: on
line source

package luan.interp;

import java.util.List;
import luan.Lua;
import luan.LuaException;
import luan.LuaState;


final class ExpressionsExpr implements Expr {
	private final Expressions expressions;

	ExpressionsExpr(Expressions expressions) {
		this.expressions = expressions;
	}

	@Override public Object eval(LuaState lua) throws LuaException {
		Object[] a = expressions.eval(lua);
		return a.length==0 ? null : a[0];
	}
}