pjs/js/jsdj/classes/com/netscape/jsdebugging/engine/local/ContextLocal.java

101 строка
3.0 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 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
package com.netscape.jsdebugging.engine.local;
import java.io.*;
import java.util.*;
import com.netscape.jsdebugging.engine.*;
public class ContextLocal
implements IContext,
com.netscape.nativejsengine.IPrintSink,
com.netscape.nativejsengine.IErrorSink
{
private ContextLocal(){}
ContextLocal(RuntimeLocal runtime, String[] args) {
_runtime = runtime;
_context = com.netscape.nativejsengine.JSContext.newContext(
_runtime.getNativeRuntime());
if(null == _context) {
_destroyed = true;
return;
}
_context.setPrintSink(this);
_context.setErrorSink(this);
}
public boolean isValid() {return ! _destroyed;}
// finalization not guaranteed to happen in right order - trust programmer
public void destroy() {
_destroyed = true;
_context.destroy();
}
public String evalString(String s, String filename, int lineno) {
_context.eval(s, filename, lineno);
return null;
}
public String loadFile(String filename) {
_context.load(filename);
return null;
}
public IErrorSink getErrorSink() {return _errorSink;}
public IErrorSink setErrorSink(IErrorSink sink) {
IErrorSink result = _errorSink;
_errorSink = sink;
return result;
}
public IPrintSink getPrintSink() {return _printSink;}
public IPrintSink setPrintSink(IPrintSink sink) {
IPrintSink result = _printSink;
_printSink = sink;
return result;
}
// implement com.netscape.nativejsengine.IPrintSink
public void print(String s) {
if(null != _printSink)
_printSink.print(s);
}
// implement com.netscape.nativejsengine.IErrorSink
public void error(String msg, String filename, int lineno,
String lineBuf, int offset)
{
if(null != _errorSink)
_errorSink.error(msg, filename, lineno, lineBuf, offset);
}
public IRuntime getRuntime() {return _runtime;}
private boolean _destroyed = false;
private RuntimeLocal _runtime;
private com.netscape.nativejsengine.JSContext _context;
private IErrorSink _errorSink;
private IPrintSink _printSink;
}