internal void EnterNestedPrompt(InternalCommand callingCommand)
{
LocalRunspace localRunspace = (LocalRunspace)null;
try
{
localRunspace = this.Runspace as LocalRunspace;
}
catch (PSNotImplementedException ex)
{
}
if (localRunspace != null)
{
Pipeline currentlyRunningPipeline = this.Runspace.GetCurrentlyRunningPipeline();
if (currentlyRunningPipeline != null && currentlyRunningPipeline == localRunspace.PulsePipeline)
{
throw new InvalidOperationException();
}
}
if (this.nestedPromptCount < 0)
{
throw InternalHost.tracer.NewInvalidOperationException("InternalHostStrings", "EnterExitNestedPromptOutOfSync");
}
++this.nestedPromptCount;
this.executionContext.SetVariable("global:NestedPromptLevel", (object)this.nestedPromptCount);
InternalHost.PromptContextData promptContextData = new InternalHost.PromptContextData();
promptContextData.SavedContextData = this.executionContext.SaveContextData();
promptContextData.SavedCurrentlyExecutingCommandVarValue = this.executionContext.GetVariable("CurrentlyExecutingCommand");
promptContextData.SavedPSBoundParametersVarValue = this.executionContext.GetVariable("PSBoundParameters");
promptContextData.RunspaceAvailability = this.Context.CurrentRunspace.RunspaceAvailability;
if (callingCommand != null)
{
PSObject psObject = PSObject.AsPSObject((object)callingCommand);
psObject.Properties.Add((PSPropertyInfo) new PSNoteProperty("CommandInfo", (object)callingCommand.CommandInfo));
psObject.Properties.Add((PSPropertyInfo) new PSNoteProperty("StackTrace", (object)new StackTrace()));
this.executionContext.SetVariable("CurrentlyExecutingCommand", (object)psObject);
}
this.contextStack.Push(promptContextData);
this.executionContext.StepScript = false;
this.executionContext.PSDebug = 0;
this.executionContext.ResetShellFunctionErrorOutputPipe();
this.Context.CurrentRunspace.UpdateRunspaceAvailability(RunspaceAvailability.AvailableForNestedCommand, true);
try
{
this.externalHostRef.Value.EnterNestedPrompt();
}
catch
{
this.ExitNestedPromptHelper();
throw;
}
}
private void ExitNestedPromptHelper()
{
--this.nestedPromptCount;
this.executionContext.SetVariable("global:NestedPromptLevel", (object)this.nestedPromptCount);
if (this.contextStack.Count <= 0)
{
return;
}
InternalHost.PromptContextData promptContextData = this.contextStack.Pop();
promptContextData.SavedContextData.RestoreContextData(this.executionContext);
this.executionContext.SetVariable("CurrentlyExecutingCommand", promptContextData.SavedCurrentlyExecutingCommandVarValue);
this.executionContext.SetVariable("PSBoundParameters", promptContextData.SavedPSBoundParametersVarValue);
this.Context.CurrentRunspace.UpdateRunspaceAvailability(promptContextData.RunspaceAvailability, true);
}
