private async Task FetchStackFrames()
{
PSCommand psCommand = new PSCommand();
psCommand.AddCommand("Get-PSCallStack");
var results = await this.powerShellContext.ExecuteCommand <CallStackFrame>(psCommand);
var callStackFrames = results.ToArray();
this.stackFrameDetails = new StackFrameDetails[callStackFrames.Length];
for (int i = 0; i < callStackFrames.Length; i++)
{
VariableContainerDetails autoVariables =
new VariableContainerDetails(
this.nextVariableId++,
VariableContainerDetails.AutoVariablesName);
this.variables.Add(autoVariables);
VariableContainerDetails localVariables =
await FetchVariableContainer(i.ToString(), autoVariables);
this.stackFrameDetails[i] =
StackFrameDetails.Create(callStackFrames[i], autoVariables, localVariables);
}
}
/// <summary>
/// Creates an instance of the StackFrameDetails class from a
/// CallStackFrame instance provided by the PowerShell engine.
/// </summary>
/// <param name="callStackFrameObject">
/// A PSObject representing the CallStackFrame instance from which details will be obtained.
/// </param>
/// <param name="autoVariables">
/// A variable container with all the filtered, auto variables for this stack frame.
/// </param>
/// <param name="localVariables">
/// A variable container with all the local variables for this stack frame.
/// </param>
/// <param name="workspaceRootPath">
/// Specifies the path to the root of an open workspace, if one is open. This path is used to
/// determine whether individua stack frames are external to the workspace.
/// </param>
/// <returns>A new instance of the StackFrameDetails class.</returns>
static internal StackFrameDetails Create(
PSObject callStackFrameObject,
VariableContainerDetails autoVariables,
VariableContainerDetails localVariables,
string workspaceRootPath = null)
{
string moduleId = string.Empty;
var isExternal = false;
var invocationInfo = callStackFrameObject.Properties["InvocationInfo"]?.Value as InvocationInfo;
string scriptPath = (callStackFrameObject.Properties["ScriptName"].Value as string) ?? NoFileScriptPath;
int startLineNumber = (int)(callStackFrameObject.Properties["ScriptLineNumber"].Value ?? 0);
// TODO: RKH 2019-03-07 Temporarily disable "external" code until I have a chance to add
// settings to control this feature.
//if (workspaceRootPath != null &&
// invocationInfo != null &&
// !scriptPath.StartsWith(workspaceRootPath, StringComparison.OrdinalIgnoreCase))
//{
// isExternal = true;
//}
return(new StackFrameDetails
{
ScriptPath = scriptPath,
FunctionName = callStackFrameObject.Properties["FunctionName"].Value as string,
StartLineNumber = startLineNumber,
EndLineNumber = startLineNumber, // End line number isn't given in PowerShell stack frames
StartColumnNumber = 0, // Column number isn't given in PowerShell stack frames
EndColumnNumber = 0,
AutoVariables = autoVariables,
LocalVariables = localVariables,
IsExternalCode = isExternal
});
}
/// <summary>
/// Creates an instance of the StackFrameDetails class from a
/// CallStackFrame instance provided by the PowerShell engine.
/// </summary>
/// <param name="callStackFrameObject">
/// A PSObject representing the CallStackFrame instance from which details will be obtained.
/// </param>
/// <param name="autoVariables">
/// A variable container with all the filtered, auto variables for this stack frame.
/// </param>
/// <param name="localVariables">
/// A variable container with all the local variables for this stack frame.
/// </param>
/// <param name="workspaceRootPath">
/// Specifies the path to the root of an open workspace, if one is open. This path is used to
/// determine whether individua stack frames are external to the workspace.
/// </param>
/// <returns>A new instance of the StackFrameDetails class.</returns>
static internal StackFrameDetails Create(
PSObject callStackFrameObject,
VariableContainerDetails autoVariables,
VariableContainerDetails localVariables,
string workspaceRootPath = null)
{
string moduleId = string.Empty;
var isExternal = false;
var invocationInfo = callStackFrameObject.Properties["InvocationInfo"]?.Value as InvocationInfo;
string scriptPath = (callStackFrameObject.Properties["ScriptName"].Value as string) ?? NoFileScriptPath;
int startLineNumber = (int)(callStackFrameObject.Properties["ScriptLineNumber"].Value ?? 0);
if (workspaceRootPath != null &&
invocationInfo != null &&
!scriptPath.StartsWith(workspaceRootPath, StringComparison.OrdinalIgnoreCase))
{
isExternal = true;
}
return(new StackFrameDetails
{
ScriptPath = scriptPath,
FunctionName = callStackFrameObject.Properties["FunctionName"].Value as string,
StartLineNumber = startLineNumber,
EndLineNumber = startLineNumber, // End line number isn't given in PowerShell stack frames
StartColumnNumber = 0, // Column number isn't given in PowerShell stack frames
EndColumnNumber = 0,
AutoVariables = autoVariables,
LocalVariables = localVariables,
IsExternalCode = isExternal
});
}
private async Task FetchGlobalAndScriptVariables()
{
// Retrieve globals first as script variable retrieval needs to search globals.
this.globalScopeVariables =
await FetchVariableContainer(VariableContainerDetails.GlobalScopeName, null);
this.scriptScopeVariables =
await FetchVariableContainer(VariableContainerDetails.ScriptScopeName, null);
}
/// <summary>
/// Creates an instance of the StackFrameDetails class from a
/// CallStackFrame instance provided by the PowerShell engine.
/// </summary>
/// <param name="callStackFrame">
/// The original CallStackFrame instance from which details will be obtained.
/// </param>
/// <param name="autoVariables">
/// A variable container with all the filtered, auto variables for this stack frame.
/// </param>
/// <param name="localVariables">
/// A variable container with all the local variables for this stack frame.
/// </param>
/// <returns>A new instance of the StackFrameDetails class.</returns>
static internal StackFrameDetails Create(
CallStackFrame callStackFrame,
VariableContainerDetails autoVariables,
VariableContainerDetails localVariables)
{
return(new StackFrameDetails
{
ScriptPath = callStackFrame.ScriptName ?? "<No File>",
FunctionName = callStackFrame.FunctionName,
LineNumber = callStackFrame.Position.StartLineNumber,
ColumnNumber = callStackFrame.Position.StartColumnNumber,
AutoVariables = autoVariables,
LocalVariables = localVariables
});
}
/// <summary>
/// Creates an instance of the StackFrameDetails class from a
/// CallStackFrame instance provided by the PowerShell engine.
/// </summary>
/// <param name="callStackFrameObject">
/// A PSObject representing the CallStackFrame instance from which details will be obtained.
/// </param>
/// <param name="autoVariables">
/// A variable container with all the filtered, auto variables for this stack frame.
/// </param>
/// <param name="localVariables">
/// A variable container with all the local variables for this stack frame.
/// </param>
/// <returns>A new instance of the StackFrameDetails class.</returns>
static internal StackFrameDetails Create(
PSObject callStackFrameObject,
VariableContainerDetails autoVariables,
VariableContainerDetails localVariables)
{
return(new StackFrameDetails
{
ScriptPath = (callStackFrameObject.Properties["ScriptName"].Value as string) ?? NoFileScriptPath,
FunctionName = callStackFrameObject.Properties["FunctionName"].Value as string,
LineNumber = (int)(callStackFrameObject.Properties["ScriptLineNumber"].Value ?? 0),
ColumnNumber = 0, // Column number isn't given in PowerShell stack frames
AutoVariables = autoVariables,
LocalVariables = localVariables
});
}
/// <summary>
/// Creates an instance of the StackFrameDetails class from a
/// CallStackFrame instance provided by the PowerShell engine.
/// </summary>
/// <param name="callStackFrame">
/// The original CallStackFrame instance from which details will be obtained.
/// </param>
/// <param name="autoVariables">
/// A variable container with all the filtered, auto variables for this stack frame.
/// </param>
/// <param name="localVariables">
/// A variable container with all the local variables for this stack frame.
/// </param>
/// <returns>A new instance of the StackFrameDetails class.</returns>
static internal StackFrameDetails Create(
CallStackFrame callStackFrame,
VariableContainerDetails autoVariables,
VariableContainerDetails localVariables)
{
return new StackFrameDetails
{
ScriptPath = callStackFrame.ScriptName,
FunctionName = callStackFrame.FunctionName,
LineNumber = callStackFrame.Position.StartLineNumber,
ColumnNumber = callStackFrame.Position.StartColumnNumber,
AutoVariables = autoVariables,
LocalVariables = localVariables
};
}
private async Task <VariableContainerDetails> FetchVariableContainer(
string scope,
VariableContainerDetails autoVariables)
{
PSCommand psCommand = new PSCommand();
psCommand.AddCommand("Get-Variable");
psCommand.AddParameter("Scope", scope);
var scopeVariableContainer =
new VariableContainerDetails(this.nextVariableId++, "Scope: " + scope);
this.variables.Add(scopeVariableContainer);
var results = await this.powerShellContext.ExecuteCommand <PSVariable>(psCommand, sendErrorToHost : false);
if (results != null)
{
foreach (PSVariable psvariable in results)
{
var variableDetails = new VariableDetails(psvariable)
{
Id = this.nextVariableId++
};
this.variables.Add(variableDetails);
scopeVariableContainer.Children.Add(variableDetails.Name, variableDetails);
if ((autoVariables != null) && AddToAutoVariables(psvariable, scope))
{
autoVariables.Children.Add(variableDetails.Name, variableDetails);
}
}
}
return(scopeVariableContainer);
}
private async Task FetchStackFrames()
{
PSCommand psCommand = new PSCommand();
psCommand.AddCommand("Get-PSCallStack");
var results = await this.powerShellContext.ExecuteCommand<CallStackFrame>(psCommand);
var callStackFrames = results.ToArray();
this.stackFrameDetails = new StackFrameDetails[callStackFrames.Length];
for (int i = 0; i < callStackFrames.Length; i++)
{
VariableContainerDetails autoVariables =
new VariableContainerDetails(
this.nextVariableId++,
VariableContainerDetails.AutoVariablesName);
this.variables.Add(autoVariables);
VariableContainerDetails localVariables =
await FetchVariableContainer(i.ToString(), autoVariables);
this.stackFrameDetails[i] =
StackFrameDetails.Create(callStackFrames[i], autoVariables, localVariables);
}
}
private async Task<VariableContainerDetails> FetchVariableContainer(
string scope,
VariableContainerDetails autoVariables)
{
PSCommand psCommand = new PSCommand();
psCommand.AddCommand("Get-Variable");
psCommand.AddParameter("Scope", scope);
var scopeVariableContainer =
new VariableContainerDetails(this.nextVariableId++, "Scope: " + scope);
this.variables.Add(scopeVariableContainer);
var results = await this.powerShellContext.ExecuteCommand<PSVariable>(psCommand, sendErrorToHost: false);
if (results != null)
{
foreach (PSVariable psvariable in results)
{
var variableDetails = new VariableDetails(psvariable) {Id = this.nextVariableId++};
this.variables.Add(variableDetails);
scopeVariableContainer.Children.Add(variableDetails.Name, variableDetails);
if ((autoVariables != null) && AddToAutoVariables(psvariable, scope))
{
autoVariables.Children.Add(variableDetails.Name, variableDetails);
}
}
}
return scopeVariableContainer;
}
private async Task FetchGlobalAndScriptVariables()
{
// Retrieve globals first as script variable retrieval needs to search globals.
this.globalScopeVariables =
await FetchVariableContainer(VariableContainerDetails.GlobalScopeName, null);
this.scriptScopeVariables =
await FetchVariableContainer(VariableContainerDetails.ScriptScopeName, null);
}