public void OnAsyncBreakComplete(DebuggedThread thread)
{
// This will get called when the engine receives the breakpoint event that is created when the user
// hits the pause button in vs.
//Debug.Assert(Worker.CurrentThreadId == m_engine.DebuggedProcess.PollThreadId);
Send(new AD7AsyncBreakCompleteEvent(), thread.Client);
}
public void OnBreakpoint(DebuggedThread thread, ReadOnlyCollection<object> clients, uint address)
{
// An engine that supports more advanced breakpoint features such as hit counts, conditions and filters
// should notify each bound breakpoint that it has been hit and evaluate conditions here.
// The sample engine does not support these features.
var boundBreakpointsEnum = new AD7BoundBreakpointsEnum(clients.Select(c => (IDebugBoundBreakpoint2)c));
Send(new AD7BreakpointEvent(boundBreakpointsEnum), thread.Client);
}
public void OnLoadComplete(DebuggedThread thread)
{
Send(new AD7LoadCompleteEvent(), thread.Client);
}
public void OnException(DebuggedThread thread, uint code)
{
// Exception events are sent when an exception occurs in the debuggee that the debugger was not expecting.
// The sample engine does not support these.
throw new Exception("The method or operation is not implemented.");
}
public void OnThreadExit(DebuggedThread debuggedThread, uint exitCode)
{
//Debug.Assert(Worker.CurrentThreadId == m_engine.DebuggedProcess.PollThreadId);
var ad7Thread = debuggedThread.Client;
Debug.Assert(ad7Thread != null);
Send(new AD7ThreadDestroyEvent(exitCode), ad7Thread);
}
public void OnThreadStart(DebuggedThread debuggedThread)
{
// This will get called when the entrypoint breakpoint is fired because the engine sends a thread start event
// for the main thread of the application.
if (m_engine.DebuggedProcess != null) {
//Debug.Assert(Worker.CurrentThreadId == m_engine.DebuggedProcess.PollThreadId);
}
var ad7Thread = new AD7Thread(m_engine, debuggedThread);
debuggedThread.Client = ad7Thread;
Send(new AD7ThreadCreateEvent(), ad7Thread);
}
private bool FetchFrames(DebuggedThread debuggedThread, int fromFrame, int count, ref int totalFrames)
{
// we have a problem here: http://code.google.com/p/v8/issues/detail?id=1705
// better use inlineRefs = true (https://github.com/joyent/node/pull/2379/files)
var resp = dbg.RequestSync("backtrace", new { fromFrame, toFrame = fromFrame + count, inlineRefs = true }, 1000);
if (resp == null)
return false;
totalFrames = (int)resp["body"]["totalFrames"];
var frames = (JArray)resp["body"]["frames"];
if (frames != null)
debuggedThread.StackFrames.AddRange(frames.Select(x => new NodeThreadContext((JObject)x, this)));
return true;
}
public void OnStepComplete(DebuggedThread thread)
{
// Step complete is sent when a step has finished. The sample engine does not support stepping.
throw new Exception("The method or operation is not implemented.");
}
internal void Step(DebuggedThread debuggedThread, Microsoft.VisualStudio.Debugger.Interop.enum_STEPKIND sk)
{
MyLogger.Trace("DebuggedProcess.Step");
var stepaction = "next";
switch (sk) {
case Microsoft.VisualStudio.Debugger.Interop.enum_STEPKIND.STEP_INTO:
stepaction = "in";
break;
case Microsoft.VisualStudio.Debugger.Interop.enum_STEPKIND.STEP_OUT:
stepaction = "out";
break;
}
dbg.Request("continue", new { stepaction, stepcount = 1 });
}
internal void DoStackWalk(DebuggedThread debuggedThread)
{
MyLogger.Trace("< DebuggedProcess.DoStackWalk");
debuggedThread.StackFrames = new List<NodeThreadContext>();
var frameId = 0;
var totalFrames = int.MaxValue;
var maxTicks = DateTime.Now.AddSeconds(5).Ticks;
while (frameId < totalFrames && DateTime.Now.Ticks < maxTicks) {
if (!FetchFrames(debuggedThread, frameId, 5, ref totalFrames))
break;
frameId += 5;
}
MyLogger.Trace("> DebuggedProcess.DoStackWalk");
}
public void Execute(DebuggedThread thread)
{
MyLogger.Trace("DebuggedProcess.Execute");
dbg.Request("continue", "");
}
public AD7Thread(AD7Engine engine, DebuggedThread debuggedThread)
{
m_engine = engine;
m_debuggedThread = debuggedThread;
}
public void Execute(DebuggedThread thread)
{
dbg.Request("continue", "");
}