internal async Task <bool> AsynchronousBreak(RemoteBreakpointInfo info)
{
using SemaphoreSlim semaphore = new SemaphoreSlim(0, 1);
void resumeHandler(object sender, EventArgs e)
{
semaphore.Release();
}
await Dispatcher.UIThread.InvokeAsync(() =>
{
EditorControl.ActiveBreakpoint = info.BreakpointSpan.Start - PreSource.Length - 1;
EditorControl.SetSelection(info.BreakpointSpan.End - PreSource.Length - 1, 0);
BreakpointPanel.SetContent(info);
BreakpointPanel.ResumeClicked += resumeHandler;
this.FindAncestorOfType <Window>().Closing += resumeHandler;
OpenSidePanel();
});
await semaphore.WaitAsync();
bool tbr = false;
await Dispatcher.UIThread.InvokeAsync(() =>
{
tbr = BreakpointPanel.IgnoreFurtherOccurrences;
CloseSidePanel();
BreakpointPanel.ResumeClicked -= resumeHandler;
this.FindAncestorOfType <Window>().Closing -= resumeHandler;
EditorControl.ActiveBreakpoint = -1;
});
semaphore.Dispose();
return(tbr);
}
/// <summary>
/// A function to handle breakpoints in synchronous methods. Pass this as an argument to <see cref="Compile(Func{BreakpointInfo, bool}, Func{BreakpointInfo, Task{bool}})"/>. To prevent deadlocks, this function will have no effect if called from the UI thread.
/// </summary>
/// <param name="info">A <see cref="BreakpointInfo"/> object containing information about the location of the breakpoint and the current value of local variables.</param>
/// <returns><see langword="true" /> if further occurrences of the same breakpoint should be ignored; <see langword="false"/> otherwise.</returns>
public bool SynchronousBreak(BreakpointInfo info)
{
if (!CheckAccess())
{
EventWaitHandle waitHandle = new EventWaitHandle(false, EventResetMode.ManualReset);
bool tbr = false;
async void resumeHandler(object sender, EventArgs e)
{
await Dispatcher.UIThread.InvokeAsync(() => tbr = BreakpointPanel.IgnoreFurtherOccurrences);
waitHandle.Set();
}
Dispatcher.UIThread.InvokeAsync(() =>
{
EditorControl.ActiveBreakpoint = info.BreakpointSpan.Start - PreSource.Length - 1;
EditorControl.SetSelection(info.BreakpointSpan.End - PreSource.Length - 1, 0);
BreakpointPanel.SetContent(info);
BreakpointPanel.ResumeClicked += resumeHandler;
this.FindAncestorOfType <Window>().Closing += resumeHandler;
OpenSidePanel();
});
waitHandle.WaitOne();
Dispatcher.UIThread.InvokeAsync(() =>
{
CloseSidePanel();
BreakpointPanel.ResumeClicked -= resumeHandler;
this.FindAncestorOfType <Window>().Closing -= resumeHandler;
EditorControl.ActiveBreakpoint = -1;
});
return(tbr);
}
else
{
return(false);
}
}
