/// <summary>Creates a new StackFrame.</summary>
/// <remarks>Creates a new StackFrame.</remarks>
private StackFrame(Context cx, Dim dim, Dim.FunctionSource fsource)
{
this.dim = dim;
this.contextData = Dim.ContextData.Get(cx);
this.fsource = fsource;
this.breakpoints = fsource.SourceInfo().breakpoints;
this.lineNumber = fsource.FirstLine();
}
/// <summary>Interrupts script execution.</summary>
/// <remarks>Interrupts script execution.</remarks>
private void Interrupted(Context cx, Dim.StackFrame frame, Exception scriptException)
{
Dim.ContextData contextData = frame.ContextData();
bool eventThreadFlag = callback.IsGuiEventThread();
contextData.eventThreadFlag = eventThreadFlag;
bool recursiveEventThreadCall = false;
lock (eventThreadMonitor)
{
if (eventThreadFlag)
{
if (interruptedContextData != null)
{
recursiveEventThreadCall = true;
goto interruptedCheck_break;
}
}
else
{
while (interruptedContextData != null)
{
try
{
System.Threading.Monitor.Wait(eventThreadMonitor);
}
catch (Exception)
{
return;
}
}
}
interruptedContextData = contextData;
}
interruptedCheck_break: ;
if (recursiveEventThreadCall)
{
// XXX: For now the following is commented out as on Linux
// too deep recursion of dispatchNextGuiEvent causes GUI lockout.
// Note: it can make GUI unresponsive if long-running script
// will be called on GUI thread while processing another interrupt
if (false)
{
// Run event dispatch until gui sets a flag to exit the initial
// call to interrupted.
while (this.returnValue == -1)
{
try
{
callback.DispatchNextGuiEvent();
}
catch (Exception)
{
}
}
}
return;
}
if (interruptedContextData == null)
{
Kit.CodeBug();
}
try
{
do
{
int frameCount = contextData.FrameCount();
this.frameIndex = frameCount - 1;
string threadTitle = Sharpen.Thread.CurrentThread().ToString();
string alertMessage;
if (scriptException == null)
{
alertMessage = null;
}
else
{
alertMessage = scriptException.ToString();
}
int returnValue = -1;
if (!eventThreadFlag)
{
lock (monitor)
{
if (insideInterruptLoop)
{
Kit.CodeBug();
}
this.insideInterruptLoop = true;
this.evalRequest = null;
this.returnValue = -1;
callback.EnterInterrupt(frame, threadTitle, alertMessage);
try
{
for (; ; )
{
try
{
System.Threading.Monitor.Wait(monitor);
}
catch (Exception)
{
Sharpen.Thread.CurrentThread().Interrupt();
break;
}
if (evalRequest != null)
{
this.evalResult = null;
try
{
evalResult = Do_eval(cx, evalFrame, evalRequest);
}
finally
{
evalRequest = null;
evalFrame = null;
System.Threading.Monitor.Pulse(monitor);
}
continue;
}
if (this.returnValue != -1)
{
returnValue = this.returnValue;
break;
}
}
}
finally
{
insideInterruptLoop = false;
}
}
}
else
{
this.returnValue = -1;
callback.EnterInterrupt(frame, threadTitle, alertMessage);
while (this.returnValue == -1)
{
try
{
callback.DispatchNextGuiEvent();
}
catch (Exception)
{
}
}
returnValue = this.returnValue;
}
switch (returnValue)
{
case STEP_OVER:
{
contextData.breakNextLine = true;
contextData.stopAtFrameDepth = contextData.FrameCount();
break;
}
case STEP_INTO:
{
contextData.breakNextLine = true;
contextData.stopAtFrameDepth = -1;
break;
}
case STEP_OUT:
{
if (contextData.FrameCount() > 1)
{
contextData.breakNextLine = true;
contextData.stopAtFrameDepth = contextData.FrameCount() - 1;
}
break;
}
}
}
while (false);
}
finally
{
lock (eventThreadMonitor)
{
interruptedContextData = null;
System.Threading.Monitor.PulseAll(eventThreadMonitor);
}
}
}
// ContextFactory.Listener
/// <summary>Called when a Context is created.</summary>
/// <remarks>Called when a Context is created.</remarks>
public virtual void ContextCreated(Context cx)
{
if (type != IPROXY_LISTEN)
{
Kit.CodeBug();
}
Dim.ContextData contextData = new Dim.ContextData();
Rhino.Debug.Debugger debugger = new Dim.DimIProxy(dim, IPROXY_DEBUG);
cx.SetDebugger(debugger, contextData);
cx.SetGeneratingDebug(true);
cx.SetOptimizationLevel(-1);
}
