/***** BEGIN LICENSE BLOCK *****
 * Version: CPL 1.0/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Common Public
 * License Version 1.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.eclipse.org/legal/cpl-v10.html
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * Copyright (C) 2008 Thomas E Enebo <enebo@acm.org>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
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 * decision by deleting the provisions above and replace them with the notice
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 * the provisions above, a recipient may use your version of this file under
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 ***** END LICENSE BLOCK *****/
package org.jruby.ast;

import org.jruby.Ruby;
import org.jruby.lexer.yacc.ISourcePosition;
import org.jruby.runtime.Block;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.builtin.IRubyObject;
/**
 *
 * @author enebo
 */
public class ArgsPreTwoArgNode extends ArgsNode {
    public ArgsPreTwoArgNode(ISourcePosition position, ListNode pre) {
        super(position, pre, null, null, null, null);
    }

    @Override
    public void checkArgCount(Ruby runtime, int length) {
        if (length != 2) throw runtime.newArgumentError(length, 2);
    }


    @Override
    public void prepare(ThreadContext context, Ruby runtime, IRubyObject self,
            IRubyObject[] args, Block block) {
        super.prepare(context, runtime, self, args, block);
    }

    @Override
    public void prepare(ThreadContext context, Ruby runtime, IRubyObject self,
            IRubyObject arg0, Block block) {
        context.getCurrentScope().setArgValues(arg0);
    }

    @Override
    public void prepare(ThreadContext context, Ruby runtime, IRubyObject self, IRubyObject arg0,
            IRubyObject arg1, Block block) {
        context.getCurrentScope().setArgValues(arg0, arg1);
    }

    @Override
    public void prepare(ThreadContext context, Ruby runtime, IRubyObject self, IRubyObject arg0,
            IRubyObject arg1, IRubyObject arg2, Block block) {
        throw runtime.newArgumentError(3, 2);
    }

    @Override
    public void prepare(ThreadContext context, Ruby runtime, IRubyObject self, IRubyObject arg0,
            IRubyObject arg1, IRubyObject arg2, IRubyObject arg3, Block block) {
        throw runtime.newArgumentError(4, 2);
    }
}
