/* 
 * The contents of this file are subject to the Netscape Public
 * License Version 1.1 (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.mozilla.org/NPL/
 * 
 * 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.
 * 
 * The Original Code is Rhino code, released
 * May 6, 1999.
 *
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1997-1999 Netscape Communications Corporation. All
 * Rights Reserved.
 * 
 * Contributor(s):
 * Norris Boyd
 * Roger Lawrence
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU Public License (the "GPL"), in which case the
 * provisions of the GPL are applicable instead of those above.
 * If you wish to allow use of your version of this file only
 * under the terms of the GPL and not to allow others to use your
 * version of this file under the NPL, indicate your decision by
 * deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL.  If you do not delete
 * the provisions above, a recipient may use your version of this
 * file under either the NPL or the GPL.
 */


package org.mozilla.javascript.optimizer;

import org.mozilla.javascript.*;
import java.io.*;
import java.util.*;

public class OptVariableTable extends VariableTable {

    public void print(PrintWriter pw)
    {
        System.out.println("Variable Table, size = " + itsVariables.size());
        for (int i = 0; i < itsVariables.size(); i++) {
            LocalVariable lVar = (LocalVariable)(itsVariables.elementAt(i));
            pw.println(lVar.toString());
        }
    }

    public void assignParameterJRegs()
    {
        // 0 is reserved for function Object 'this'
        // 1 is reserved for context
        // 2 is reserved for parentScope
        // 3 is reserved for script 'this'
        short jReg = 4;
        for (int i = 0; i < varStart; i++) {
            OptLocalVariable lVar = (OptLocalVariable)
                itsVariables.elementAt(i);
            lVar.assignJRegister(jReg);
            jReg += 3;  // 3 is 1 for Object parm and 2 for double parm
        }
    }
    
    public LocalVariable createLocalVariable(String name, boolean isParameter) 
    {
        return new OptLocalVariable(name, isParameter);
    }
    
}
