gecko-dev/js/jsdj/classes/netscape/jsdebug/JSPC.java

81 строка
2.0 KiB
Java

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
package netscape.jsdebug;
/**
* This subclass of PC provides JavaScript-specific information.
*
* @author John Bandhauer
* @version 1.0
* @since 1.0
*/
public final class JSPC extends PC {
private Script script;
private int pc;
public JSPC(Script script, int pc) {
this.script = script;
this.pc = pc;
}
public Script getScript() {
return script;
}
public int getPC() {
return pc;
}
public boolean isValid()
{
return script.isValid();
}
/**
* Get the SourceLocation associated with this PC value.
* returns null if the source location is unavailable.
*/
public native SourceLocation getSourceLocation();
/**
* Ask whether two program counter values are equal.
*/
public boolean equals(Object obj) {
if (this == obj)
return true;
if (!(obj instanceof JSPC))
return false;
JSPC jspc = (JSPC) obj;
return (jspc.script == script && jspc.pc == pc);
}
public int hashCode() {
return script.hashCode() + pc;
}
public String toString() {
return "<PC "+script+"+"+pc+">";
}
}