/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * 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) 1997-2000 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;

import java.io.Serializable;

import org.mozilla.javascript.debug.DebuggableScript;

final class InterpreterData implements Serializable, DebuggableScript {

    static final long serialVersionUID = 4815333329084415557L;

    static final int INITIAL_MAX_ICODE_LENGTH = 1024;
    static final int INITIAL_STRINGTABLE_SIZE = 64;
    static final int INITIAL_NUMBERTABLE_SIZE = 64;

    InterpreterData(Object securityDomain) {
        itsICodeTop = INITIAL_MAX_ICODE_LENGTH;
        itsICode = new byte[itsICodeTop];

        itsStringTable = new String[INITIAL_STRINGTABLE_SIZE];

        this.securityDomain = securityDomain;
    }

    String itsName;
    String itsSource;
    String itsSourceFile;
    boolean itsNeedsActivation;
    boolean itsFromEvalCode;
    boolean itsCheckThis;
    int itsFunctionType;

    String[] itsStringTable;
    double[] itsDoubleTable;
    InterpreterData[] itsNestedFunctions;
    Object[] itsRegExpLiterals;

    byte[] itsICode;
    int itsICodeTop;

    int itsMaxVars;
    int itsMaxLocals;
    int itsMaxTryDepth;
    int itsMaxStack;
    int itsMaxFrameArray;

    // see comments in NativeFuncion for definition of argNames and argCount
    String[] argNames;
    int argCount;

    int itsMaxCalleeArgs;

    Object securityDomain;

    public boolean isFunction() {
        return itsFunctionType != 0;
    }

    public String getFunctionName() {
        return itsName;
    }

    public String getSourceName() {
        return itsSourceFile;
    }

    public boolean isGeneratedScript() {
        return ScriptRuntime.isGeneratedScript(itsSourceFile);
    }

    public int[] getLineNumbers() {
        return Interpreter.getLineNumbers(this);
    }

}
