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/*******************************************************************************
* Copyright (c) 2009 Luaj.org. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
******************************************************************************/
package org.luaj.vm2.lib;

import org.luaj.vm2.LuaValue;
import org.luaj.vm2.Varargs;

abstract public class OneArgFunction extends LibFunction {

	abstract public LuaValue call(LuaValue arg);
	
	public OneArgFunction() {
	}
	
	public OneArgFunction( LuaValue env ) {
		this.env = env;
	}
	
	public final LuaValue call() {
		return call(NIL);
	}

	public final LuaValue call(LuaValue arg1, LuaValue arg2) {
		return call(arg1);
	}

	public LuaValue call(LuaValue arg1, LuaValue arg2, LuaValue arg3) {
		return call(arg1);
	}

	public Varargs invoke(Varargs varargs) {
		return call(varargs.arg1());
	}
}