internal Debugger(System.Management.Automation.ExecutionContext context)
{
this._context = context;
this.InBreakpoint = false;
this._idToBreakpoint = new Dictionary<int, Breakpoint>();
this._pendingBreakpoints = new List<LineBreakpoint>();
this._boundBreakpoints = new Dictionary<string, Tuple<WeakReference, List<LineBreakpoint>>>(StringComparer.OrdinalIgnoreCase);
this._commandBreakpoints = new List<CommandBreakpoint>();
this._variableBreakpoints = new Dictionary<string, List<VariableBreakpoint>>(StringComparer.OrdinalIgnoreCase);
this._steppingMode = SteppingMode.None;
this._callStack = new List<CallStackInfo>();
}
private void StepperMotorTest(StepperMotorIndex motorIndex, SteppingMode steppingMode = SteppingMode.FullSteps)
{
if (stepperMotor.IsInitialized)
{
// Configure steps, and RPM
const uint steps = 200;
const byte rpm = 20;
// Set speed
stepperMotor.SetSpeed(rpm);
// Move motor forward
stepperMotor.Move(motorIndex, MotorDirection.Forward, steps, steppingMode);
//stepperMotor.MoveWithSpeedAdjustment(motorIndex, MotorDirection.Forward, steps, steppingMode);
// ... and go back to initial position
stepperMotor.Move(motorIndex, MotorDirection.Backward, steps, steppingMode);
//stepperMotor.MoveWithSpeedAdjustment(motorIndex, MotorDirection.Backward, steps, steppingMode);
}
}
private void ResumeExecution(DebuggerResumeAction action)
{
switch (action)
{
case DebuggerResumeAction.Continue:
break;
case DebuggerResumeAction.StepInto:
this._steppingMode = SteppingMode.StepIn;
this._overOrOutFrame = null;
return;
case DebuggerResumeAction.StepOut:
if (this._callStack.Count <= 1)
{
break;
}
this._steppingMode = SteppingMode.StepIn;
this._overOrOutFrame = this._callStack[this._callStack.Count - 2];
return;
case DebuggerResumeAction.StepOver:
this._steppingMode = SteppingMode.StepIn;
this._overOrOutFrame = this._callStack.Last <CallStackInfo>();
return;
case DebuggerResumeAction.Stop:
this._steppingMode = SteppingMode.None;
this._overOrOutFrame = null;
throw new TerminateException();
default:
return;
}
this._steppingMode = SteppingMode.None;
this._overOrOutFrame = null;
}
private void UpdateChannels(SteppingMode steppingMode = SteppingMode.FullSteps)
{
StepperMotorPhase currentPhase = null;
switch (steppingMode)
{
case SteppingMode.MicroSteps:
currentPhase = GetMicroStepControlPhase();
break;
default:
currentPhase = GetFullStepControlPhase();
break;
}
pcaPwmDriver.SetChannelValue(channels.PwmA, currentPhase.PwmA);
pcaPwmDriver.SetChannelValue(channels.PwmB, currentPhase.PwmB);
pcaPwmDriver.SetChannelValue(channels.AIn1, currentPhase.AIn1);
pcaPwmDriver.SetChannelValue(channels.AIn2, currentPhase.AIn2);
pcaPwmDriver.SetChannelValue(channels.BIn1, currentPhase.BIn1);
pcaPwmDriver.SetChannelValue(channels.BIn2, currentPhase.BIn2);
}
private void OnDebuggerStop(InvocationInfo invocationInfo, List <Breakpoint> breakpoints)
{
LocalRunspace currentRunspace = this._context.CurrentRunspace as LocalRunspace;
if ((currentRunspace.PulsePipeline != null) && (currentRunspace.PulsePipeline == currentRunspace.GetCurrentlyRunningPipeline()))
{
this._context.EngineHostInterface.UI.WriteWarningLine((breakpoints.Count > 0) ? string.Format(CultureInfo.CurrentCulture, DebuggerStrings.WarningBreakpointWillNotBeHit, new object[] { breakpoints[0] }) : new InvalidOperationException().Message);
}
else
{
this._steppingMode = SteppingMode.None;
EventHandler <DebuggerStopEventArgs> debuggerStop = this.DebuggerStop;
if (debuggerStop != null)
{
this.InBreakpoint = true;
this._context.SetVariable(SpecialVariables.PSDebugContextVarPath, new PSDebugContext(invocationInfo, breakpoints));
FunctionInfo baseObject = null;
bool flag = false;
try
{
Collection <PSObject> collection = this._context.SessionState.InvokeProvider.Item.Get(@"function:\prompt");
if ((collection != null) && (collection.Count > 0))
{
baseObject = collection[0].BaseObject as FunctionInfo;
if (string.Equals(baseObject.Definition, InitialSessionState.DefaultPromptString, StringComparison.OrdinalIgnoreCase))
{
flag = true;
}
}
}
catch (ItemNotFoundException)
{
}
if (flag)
{
string script = "\"[DBG]: PS $($executionContext.SessionState.Path.CurrentLocation)$('>' * ($nestedPromptLevel + 1)) \"";
baseObject.Update(ScriptBlock.Create(script), true, ScopedItemOptions.Unspecified);
}
PSLanguageMode languageMode = this._context.LanguageMode;
PSLanguageMode?nullable = null;
if (this._context.UseFullLanguageModeInDebugger && (this._context.LanguageMode != PSLanguageMode.FullLanguage))
{
nullable = new PSLanguageMode?(this._context.LanguageMode);
this._context.LanguageMode = PSLanguageMode.FullLanguage;
}
else if (SystemPolicy.GetSystemLockdownPolicy() == SystemEnforcementMode.Enforce)
{
nullable = new PSLanguageMode?(this._context.LanguageMode);
this._context.LanguageMode = PSLanguageMode.ConstrainedLanguage;
}
RunspaceAvailability runspaceAvailability = this._context.CurrentRunspace.RunspaceAvailability;
this._context.CurrentRunspace.UpdateRunspaceAvailability((this._context.CurrentRunspace.GetCurrentlyRunningPipeline() != null) ? RunspaceAvailability.AvailableForNestedCommand : RunspaceAvailability.Available, true);
try
{
this._context._debuggingMode = -1;
if (this._callStack.Any <CallStackInfo>())
{
this._callStack.Last <CallStackInfo>().TopFrameAtBreakpoint = true;
}
DebuggerStopEventArgs e = new DebuggerStopEventArgs(invocationInfo, breakpoints);
debuggerStop(this, e);
this.ResumeExecution(e.ResumeAction);
}
finally
{
this._context._debuggingMode = 1;
if (this._callStack.Any <CallStackInfo>())
{
this._callStack.Last <CallStackInfo>().TopFrameAtBreakpoint = false;
}
this._context.CurrentRunspace.UpdateRunspaceAvailability(runspaceAvailability, true);
if (nullable.HasValue)
{
this._context.LanguageMode = nullable.Value;
}
this._context.EngineSessionState.RemoveVariable("PSDebugContext");
if (flag)
{
baseObject.Update(ScriptBlock.Create(InitialSessionState.DefaultPromptString), true, ScopedItemOptions.Unspecified);
}
this.InBreakpoint = false;
}
}
}
}
private void ResumeExecution(DebuggerResumeAction action)
{
switch (action)
{
case DebuggerResumeAction.Continue:
break;
case DebuggerResumeAction.StepInto:
this._steppingMode = SteppingMode.StepIn;
this._overOrOutFrame = null;
return;
case DebuggerResumeAction.StepOut:
if (this._callStack.Count <= 1)
{
break;
}
this._steppingMode = SteppingMode.StepIn;
this._overOrOutFrame = this._callStack[this._callStack.Count - 2];
return;
case DebuggerResumeAction.StepOver:
this._steppingMode = SteppingMode.StepIn;
this._overOrOutFrame = this._callStack.Last<CallStackInfo>();
return;
case DebuggerResumeAction.Stop:
this._steppingMode = SteppingMode.None;
this._overOrOutFrame = null;
throw new TerminateException();
default:
return;
}
this._steppingMode = SteppingMode.None;
this._overOrOutFrame = null;
}
private void OnDebuggerStop(InvocationInfo invocationInfo, List<Breakpoint> breakpoints)
{
LocalRunspace currentRunspace = this._context.CurrentRunspace as LocalRunspace;
if ((currentRunspace.PulsePipeline != null) && (currentRunspace.PulsePipeline == currentRunspace.GetCurrentlyRunningPipeline()))
{
this._context.EngineHostInterface.UI.WriteWarningLine((breakpoints.Count > 0) ? string.Format(CultureInfo.CurrentCulture, DebuggerStrings.WarningBreakpointWillNotBeHit, new object[] { breakpoints[0] }) : new InvalidOperationException().Message);
}
else
{
this._steppingMode = SteppingMode.None;
EventHandler<DebuggerStopEventArgs> debuggerStop = this.DebuggerStop;
if (debuggerStop != null)
{
this.InBreakpoint = true;
this._context.SetVariable(SpecialVariables.PSDebugContextVarPath, new PSDebugContext(invocationInfo, breakpoints));
FunctionInfo baseObject = null;
bool flag = false;
try
{
Collection<PSObject> collection = this._context.SessionState.InvokeProvider.Item.Get(@"function:\prompt");
if ((collection != null) && (collection.Count > 0))
{
baseObject = collection[0].BaseObject as FunctionInfo;
if (string.Equals(baseObject.Definition, InitialSessionState.DefaultPromptString, StringComparison.OrdinalIgnoreCase))
{
flag = true;
}
}
}
catch (ItemNotFoundException)
{
}
if (flag)
{
string script = "\"[DBG]: PS $($executionContext.SessionState.Path.CurrentLocation)$('>' * ($nestedPromptLevel + 1)) \"";
baseObject.Update(ScriptBlock.Create(script), true, ScopedItemOptions.Unspecified);
}
PSLanguageMode languageMode = this._context.LanguageMode;
PSLanguageMode? nullable = null;
if (this._context.UseFullLanguageModeInDebugger && (this._context.LanguageMode != PSLanguageMode.FullLanguage))
{
nullable = new PSLanguageMode?(this._context.LanguageMode);
this._context.LanguageMode = PSLanguageMode.FullLanguage;
}
else if (SystemPolicy.GetSystemLockdownPolicy() == SystemEnforcementMode.Enforce)
{
nullable = new PSLanguageMode?(this._context.LanguageMode);
this._context.LanguageMode = PSLanguageMode.ConstrainedLanguage;
}
RunspaceAvailability runspaceAvailability = this._context.CurrentRunspace.RunspaceAvailability;
this._context.CurrentRunspace.UpdateRunspaceAvailability((this._context.CurrentRunspace.GetCurrentlyRunningPipeline() != null) ? RunspaceAvailability.AvailableForNestedCommand : RunspaceAvailability.Available, true);
try
{
this._context._debuggingMode = -1;
if (this._callStack.Any<CallStackInfo>())
{
this._callStack.Last<CallStackInfo>().TopFrameAtBreakpoint = true;
}
DebuggerStopEventArgs e = new DebuggerStopEventArgs(invocationInfo, breakpoints);
debuggerStop(this, e);
this.ResumeExecution(e.ResumeAction);
}
finally
{
this._context._debuggingMode = 1;
if (this._callStack.Any<CallStackInfo>())
{
this._callStack.Last<CallStackInfo>().TopFrameAtBreakpoint = false;
}
this._context.CurrentRunspace.UpdateRunspaceAvailability(runspaceAvailability, true);
if (nullable.HasValue)
{
this._context.LanguageMode = nullable.Value;
}
this._context.EngineSessionState.RemoveVariable("PSDebugContext");
if (flag)
{
baseObject.Update(ScriptBlock.Create(InitialSessionState.DefaultPromptString), true, ScopedItemOptions.Unspecified);
}
this.InBreakpoint = false;
}
}
}
}
internal void ExitScriptFunction()
{
if (this._callStack.Last<CallStackInfo>() == this._overOrOutFrame)
{
this._overOrOutFrame = null;
}
this._callStack.RemoveAt(this._callStack.Count - 1);
if (this._callStack.Count == 0)
{
this._steppingMode = SteppingMode.None;
}
}
public void MoveWithSpeedAdjustment(StepperMotorIndex motorIndex, MotorDirection direction, uint steps, SteppingMode steppingMode = SteppingMode.FullSteps)
{
steps = GetTotalStepCount(steppingMode, steps);
var speedRamp = SpeedRampHelper.GenerateTrapezoidalRamp(steps);
for (uint i = 0; i < steps; i++)
{
MakeStep(motorIndex, direction, steppingMode);
var msAutoDelay = RpmToMsDelay(speedRamp[i], steppingMode);
Task.Delay(msAutoDelay).Wait();
}
}
public void Move(StepperMotorIndex motorIndex, MotorDirection direction, uint steps, SteppingMode steppingMode = SteppingMode.FullSteps)
{
var msDelay = RpmToMsDelay(Rpm, steppingMode);
steps = GetTotalStepCount(steppingMode, steps);
for (uint i = 0; i < steps; i++)
{
MakeStep(motorIndex, direction, steppingMode);
Task.Delay(msDelay).Wait();
}
}
private Debugger PopActiveDebugger()
{
Debugger poppedDebugger = null;
if (_activeDebuggers.TryPop(out poppedDebugger))
{
int runningJobCount;
lock (_syncObject)
{
runningJobCount = _runningJobs.Count;
}
if (runningJobCount == 0)
{
// If we are back to the root debugger and are in step mode, ensure
// that the root debugger is in step mode to continue stepping.
switch (_lastActiveDebuggerAction)
{
case DebuggerResumeAction.StepInto:
case DebuggerResumeAction.StepOver:
case DebuggerResumeAction.StepOut:
// Set script debugger to step mode after the WF running
// script completes.
_steppingMode = SteppingMode.StepIn;
_overOrOutFrame = _nestedRunningFrame;
_nestedRunningFrame = null;
break;
case DebuggerResumeAction.Stop:
_nestedDebuggerStop = true;
break;
default:
ResumeExecution(DebuggerResumeAction.Continue);
break;
}
// Allow script debugger to continue in debugging mode.
_processingOutputCount = 0;
SetInternalDebugMode(InternalDebugMode.Enabled);
_currentDebuggerAction = _lastActiveDebuggerAction;
_lastActiveDebuggerAction = DebuggerResumeAction.Continue;
}
}
return poppedDebugger;
}
/// <summary>
/// Resumes execution after a breakpoint/step event has been handled
/// </summary>
private void ResumeExecution(DebuggerResumeAction action)
{
_previousDebuggerAction = _currentDebuggerAction;
_currentDebuggerAction = action;
switch (action)
{
case DebuggerResumeAction.StepInto:
_steppingMode = SteppingMode.StepIn;
_overOrOutFrame = null;
break;
case DebuggerResumeAction.StepOut:
if (_callStack.Count > 1)
{
// When we pop to the parent frame, we'll clear _overOrOutFrame (so OnSequencePointHit
// will stop) and continue with a step.
_steppingMode = SteppingMode.StepIn;
_overOrOutFrame = _callStack[_callStack.Count - 2];
}
else
{
// Stepping out of the top frame is just like continue (allow hitting
// breakpoints in the current frame, but otherwise just go.)
goto case DebuggerResumeAction.Continue;
}
break;
case DebuggerResumeAction.StepOver:
_steppingMode = SteppingMode.StepIn;
_overOrOutFrame = _callStack.Last();
break;
case DebuggerResumeAction.Continue:
// nothing to do, just continue
_steppingMode = SteppingMode.None;
_overOrOutFrame = null;
break;
case DebuggerResumeAction.Stop:
_steppingMode = SteppingMode.None;
_overOrOutFrame = null;
throw new TerminateException();
default:
Debug.Assert(false, "Received an unknown action: " + action);
break;
}
}
/// <summary>
/// Raises the DebuggerStop event
/// </summary>
private void OnDebuggerStop(InvocationInfo invocationInfo, List<Breakpoint> breakpoints)
{
Diagnostics.Assert(breakpoints != null, "The list of breakpoints should not be null");
LocalRunspace localRunspace = _context.CurrentRunspace as LocalRunspace;
Diagnostics.Assert(localRunspace != null, "Debugging is only supported on local runspaces");
if (localRunspace.PulsePipeline != null && localRunspace.PulsePipeline == localRunspace.GetCurrentlyRunningPipeline())
{
_context.EngineHostInterface.UI.WriteWarningLine(
breakpoints.Count > 0
? String.Format(CultureInfo.CurrentCulture, DebuggerStrings.WarningBreakpointWillNotBeHit,
breakpoints[0])
: new InvalidOperationException().Message);
return;
}
_currentInvocationInfo = invocationInfo;
_steppingMode = SteppingMode.None;
// Optionally wait for a debug stop event subscriber if requested.
_inBreakpoint = true;
if (!WaitForDebugStopSubscriber())
{
// No subscriber. Ignore this debug stop event.
_inBreakpoint = false;
return;
}
_context.SetVariable(SpecialVariables.PSDebugContextVarPath, new PSDebugContext(invocationInfo, breakpoints));
FunctionInfo defaultPromptInfo = null;
string originalPromptString = null;
bool hadDefaultPrompt = false;
try
{
Collection<PSObject> items = _context.SessionState.InvokeProvider.Item.Get("function:\\prompt");
if ((items != null) && (items.Count > 0))
{
defaultPromptInfo = items[0].BaseObject as FunctionInfo;
originalPromptString = defaultPromptInfo.Definition as string;
if (originalPromptString.Equals(InitialSessionState.DefaultPromptFunctionText, StringComparison.OrdinalIgnoreCase) ||
originalPromptString.Trim().StartsWith(s_processDebugPromptMatch, StringComparison.OrdinalIgnoreCase))
{
hadDefaultPrompt = true;
}
}
}
catch (ItemNotFoundException)
{
// Ignore, it means they don't have the default prompt
}
// Update the prompt to the debug prompt
if (hadDefaultPrompt)
{
int index = originalPromptString.IndexOf("\"", StringComparison.OrdinalIgnoreCase);
if (index > -1)
{
// Fix up prompt.
++index;
string debugPrompt = "\"[DBG]: " + originalPromptString.Substring(index, originalPromptString.Length - index);
defaultPromptInfo.Update(
ScriptBlock.Create(debugPrompt), true, ScopedItemOptions.Unspecified);
}
else
{
hadDefaultPrompt = false;
}
}
PSLanguageMode? originalLanguageMode = null;
if (_context.UseFullLanguageModeInDebugger &&
(_context.LanguageMode != PSLanguageMode.FullLanguage))
{
originalLanguageMode = _context.LanguageMode;
_context.LanguageMode = PSLanguageMode.FullLanguage;
}
else if (System.Management.Automation.Security.SystemPolicy.GetSystemLockdownPolicy() ==
System.Management.Automation.Security.SystemEnforcementMode.Enforce)
{
// If there is a system lockdown in place, enforce it
originalLanguageMode = _context.LanguageMode;
_context.LanguageMode = PSLanguageMode.ConstrainedLanguage;
}
RunspaceAvailability previousAvailability = _context.CurrentRunspace.RunspaceAvailability;
_context.CurrentRunspace.UpdateRunspaceAvailability(
_context.CurrentRunspace.GetCurrentlyRunningPipeline() != null
? RunspaceAvailability.AvailableForNestedCommand
: RunspaceAvailability.Available,
true);
Diagnostics.Assert(_context._debuggingMode == 1, "Should only be stopping when debugger is on.");
try
{
SetInternalDebugMode(InternalDebugMode.InScriptStop);
if (_callStack.Any())
{
// Get-PSCallStack shouldn't report any frames above this frame, so mark it. One alternative
// to marking the frame would be to not push new frames while debugging, but that limits our
// ability to give a full callstack if there are errors during eval.
_callStack.Last().TopFrameAtBreakpoint = true;
}
// Reset list lines.
_commandProcessor.Reset();
// Save a copy of the stop arguments.
DebuggerStopEventArgs copyArgs = new DebuggerStopEventArgs(invocationInfo, breakpoints);
_debuggerStopEventArgs.Push(copyArgs);
// Blocking call to raise debugger stop event.
DebuggerStopEventArgs e = new DebuggerStopEventArgs(invocationInfo, breakpoints);
RaiseDebuggerStopEvent(e);
ResumeExecution(e.ResumeAction);
}
finally
{
SetInternalDebugMode(InternalDebugMode.Enabled);
if (_callStack.Any())
{
_callStack.Last().TopFrameAtBreakpoint = false;
}
_context.CurrentRunspace.UpdateRunspaceAvailability(previousAvailability, true);
if (originalLanguageMode.HasValue)
{
_context.LanguageMode = originalLanguageMode.Value;
}
_context.EngineSessionState.RemoveVariable(SpecialVariables.PSDebugContext);
if (hadDefaultPrompt)
{
// Restore the prompt if they had our default
defaultPromptInfo.Update(
ScriptBlock.Create(originalPromptString), true, ScopedItemOptions.Unspecified);
}
DebuggerStopEventArgs oldArgs;
_debuggerStopEventArgs.TryPop(out oldArgs);
_inBreakpoint = false;
}
}