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Code Issues Pull Requests Actions Packages Projects Releases 2 Wiki Activity

1. added stepping debug support

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2. added debugger error handling
This commit is contained in:
Shu Lei
2007-10-24 20:21:16 +00:00
parent b86e06ab1c
commit e97b842b45
11 changed files with 245 additions and 119 deletions
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44
src/main/java/lua/debug/DebugSupport.java
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@@ -44,8 +44,10 @@ public class DebugSupport implements DebugRequestListener, DebugEventListener {
this.vm = vm;
}
protected void releaseServer() {
DebugUtils.println("shutting down the debug server...");
protected void dispose() {
if (DebugUtils.IS_DEBUG)
DebugUtils.println("releasing the networkig resources...");
if (requestReader != null) {
try {
requestReader.close();
@@ -83,11 +85,8 @@ public class DebugSupport implements DebugRequestListener, DebugEventListener {
this.requestWatcherThread = new Thread(new Runnable() {
public void run() {
if (getState() != STOPPED) {
handleRequest();
} else {
releaseServer();
}
loopForRequests();
cleanup();
}
});
this.requestWatcherThread.start();
@@ -104,11 +103,12 @@ public class DebugSupport implements DebugRequestListener, DebugEventListener {
* @see lua.debug.j2se.DebugSupport#stop()
*/
public synchronized void stop() {
DebugUtils.println("stopping the debug support...");
if (DebugUtils.IS_DEBUG)
DebugUtils.println("stopping the debug support...");
this.state = STOPPED;
}
protected void handleRequest() {
protected void loopForRequests() {
try {
while (getState() != STOPPED) {
int size = requestReader.readInt();
@@ -116,29 +116,29 @@ public class DebugSupport implements DebugRequestListener, DebugEventListener {
requestReader.readFully(data);
DebugRequest request
= (DebugRequest) SerializationHelper.deserialize(data);
DebugUtils.println("SERVER receives request: " + request.toString());
if (DebugUtils.IS_DEBUG)
DebugUtils.println("SERVER receives request: " + request.toString());
DebugResponse response = handleRequest(request);
data = SerializationHelper.serialize(response);
requestWriter.writeInt(data.length);
requestWriter.write(data);
requestWriter.flush();
DebugUtils.println("SERVER sends response: " + response);
}
if (getState() == STOPPED) {
cleanup();
}
if (DebugUtils.IS_DEBUG)
DebugUtils.println("SERVER sends response: " + response);
}
} catch (EOFException e) {
cleanup();
} catch (IOException e) {
// expected during shutdown
} catch (Exception e) {
e.printStackTrace();
}
}
private void cleanup() {
DebugUtils.println("SERVER terminated...");
releaseServer();
if (DebugUtils.IS_DEBUG)
DebugUtils.println("SERVER terminated...");
dispose();
System.exit(0);
}
@@ -160,7 +160,9 @@ public class DebugSupport implements DebugRequestListener, DebugEventListener {
* @param event
*/
protected void sendEvent(DebugEvent event) {
DebugUtils.println("SERVER sending event: " + event.toString());
if (DebugUtils.IS_DEBUG)
DebugUtils.println("SERVER sending event: " + event.toString());
try {
byte[] data = SerializationHelper.serialize(event);
eventWriter.writeInt(data.length);