/// <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
};
}
public static LogEntryInfo FromMessage(string message, CallStackFrame callStackFrame = null)
{
string messageWithoutLineInfo;
string file;
int lineNumber;
int columnNumber;
if (TryGetLineInfoFromMessages(message, out messageWithoutLineInfo, out file, out lineNumber, out columnNumber))
{
return new LogEntryInfo(
message: messageWithoutLineInfo,
file: file,
lineNumber: lineNumber,
columnNumber: columnNumber);
}
if (callStackFrame != null)
{
return new LogEntryInfo(
message: message,
file: callStackFrame.ScriptName,
lineNumber: string.IsNullOrEmpty(callStackFrame.ScriptName) ? 0 : callStackFrame.ScriptLineNumber,
columnNumber: 0);
}
return new LogEntryInfo(
message: message,
file: null,
lineNumber: 0,
columnNumber: 0);
}
private InvocationInfo CreateInvocationInfoFromParent(
CallStackFrame parentStackFrame,
int debugLineNumber,
int debugStartColNumber,
int debugEndColNumber)
{
if (parentStackFrame == null) { return null; }
// Attempt to find parent script file create script block with Ast to
// find correct line and offset adjustments.
if ((_parentScriptBlockAst == null) &&
!string.IsNullOrEmpty(parentStackFrame.ScriptName) &&
System.IO.File.Exists(parentStackFrame.ScriptName))
{
ParseError[] errors;
Token[] tokens;
_parentScriptBlockAst = Parser.ParseInput(
System.IO.File.ReadAllText(parentStackFrame.ScriptName),
out tokens, out errors);
}
if (_parentScriptBlockAst != null)
{
int callingLineNumber = parentStackFrame.ScriptLineNumber;
StatementAst debugStatement = null;
StatementAst callingStatement = _parentScriptBlockAst.Find(
ast =>
{ return ((ast is StatementAst) && (ast.Extent.StartLineNumber == callingLineNumber)); }
, true) as StatementAst;
if (callingStatement != null)
{
// Find first statement in calling statement.
StatementAst firstStatement = callingStatement.Find(ast => { return ((ast is StatementAst) && ast.Extent.StartLineNumber > callingLineNumber); }, true) as StatementAst;
if (firstStatement != null)
{
int adjustedLineNumber = firstStatement.Extent.StartLineNumber + debugLineNumber - 1;
debugStatement = callingStatement.Find(ast => { return ((ast is StatementAst) && ast.Extent.StartLineNumber == adjustedLineNumber); }, true) as StatementAst;
}
}
if (debugStatement != null)
{
int endColNum = debugStartColNumber + (debugEndColNumber - debugStartColNumber) - 2;
string statementExtentText = FixUpStatementExtent(debugStatement.Extent.StartColumnNumber - 1, debugStatement.Extent.Text);
ScriptPosition scriptStartPosition = new ScriptPosition(
parentStackFrame.ScriptName,
debugStatement.Extent.StartLineNumber,
debugStartColNumber,
statementExtentText);
ScriptPosition scriptEndPosition = new ScriptPosition(
parentStackFrame.ScriptName,
debugStatement.Extent.EndLineNumber,
endColNum,
statementExtentText);
return InvocationInfo.Create(
parentStackFrame.InvocationInfo.MyCommand,
new ScriptExtent(
scriptStartPosition,
scriptEndPosition)
);
}
}
return null;
}