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166 lines (148 loc) · 4.75 KB
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/* -*- 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 oqr
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Rhino code, released
* May 6, 1998.
*
* 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):
*
* 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.debug;
import org.mozilla.javascript.*;
import org.mozilla.javascript.debug.util.*;
final class Script
implements IScript, ICListElement
{
Script(NativeFunction fun)
{
_fun = fun;
if(fun instanceof INativeFunScript)
{
_fund = (INativeFunScript) fun;
_fund.set_debug_script(this);
}
CList.initCList(this);
}
// implements ICListElement
public final ICListElement getNext() {return _next;}
public final ICListElement getPrev() {return _prev;}
public final void setNext(ICListElement e) {_next = e;}
public final void setPrev(ICListElement e) {_prev = e;}
private ICListElement _next;
private ICListElement _prev;
public synchronized String getURL()
{
if( null == _fun )
return null;
return NativeDelegate.getSourceName(_fun);
}
public synchronized String getFunction()
{
if( null == _fun )
return null;
if( ! NativeDelegate.isFunction(_fun) )
return null;
return NativeDelegate.getFunctionName(_fun);
}
public synchronized int getBaseLineNumber()
{
if( null == _fund )
return 0;
return _fund.get_debug_baseLineno();
}
public synchronized int getLineExtent()
{
if( null == _fund )
return 0;
return 1 + _fund.get_debug_endLineno() - _fund.get_debug_baseLineno();
}
public synchronized boolean isValid()
{
return null != _fun;
}
public synchronized IPC getClosestPC(int line)
{
if( null == _fund )
return null;
int pc = _fund.lineno2pc(line);
if( 0 == pc )
return null;
return new PC(this, pc);
}
public synchronized org.mozilla.javascript.NativeFunction getWrappedFunction()
{
return _fun;
}
synchronized void invalidate()
{
if(null != _fund)
{
_fund.set_debug_script(null);
_fund = null;
}
_fun = null;
}
synchronized int incRefCount() {return ++refCount;}
synchronized int decRefCount() {return --refCount;}
synchronized int getRefCount() {return refCount;}
public String toString()
{
if( null == _fun )
return "Invalidated Script";
else
{
String range = null;
String flags = "";
if(null != _fund)
{
range = "["+_fund.get_debug_baseLineno()+","+_fund.get_debug_endLineno()+"]";
flags = " with stop flags "+ _fund.get_debug_stopFlags();
}
else
range = "[?,?]";
String fun = getFunction();
return "Script for "+getURL()+"::"+((null==fun?"<top_level>":fun)+
" "+range+flags);
}
}
public int hashCode()
{
return _fun.hashCode();
}
public boolean equals(Object obj)
{
if(!(obj instanceof Script))
return false;
Script o = (Script)obj;
if( (!isValid()) || (!o.isValid()))
return false;
return _fun == o._fun;
}
private NativeFunction _fun;
private INativeFunScript _fund;
private int refCount;
}