private void HandleThreadFrameList(Socket socket)
{
// list of thread frames
var frames = new List <PythonStackFrame>();
int tid = socket.ReadInt();
var thread = _threads[tid];
int frameCount = socket.ReadInt();
for (int i = 0; i < frameCount; i++)
{
int startLine = socket.ReadInt();
int endLine = socket.ReadInt();
int lineNo = socket.ReadInt();
string frameName = socket.ReadString();
string filename = socket.ReadString();
int argCount = socket.ReadInt();
int varCount = socket.ReadInt();
PythonEvaluationResult[] variables = new PythonEvaluationResult[varCount];
var frame = new PythonStackFrame(thread, frameName, filename, startLine, endLine, lineNo, argCount, i);
for (int j = 0; j < variables.Length; j++)
{
string name = socket.ReadString();
variables[j] = ReadPythonObject(socket, name, "", false, frame);
}
frame.SetVariables(variables);
frames.Add(frame);
}
Debug.WriteLine("Received frames for thread {0}", tid);
_frames = frames;
_frameEvent.Set();
}
/// <summary>
/// Creates a PythonObject for an expression which raised an exception instead of returning a value.
/// </summary>
public PythonEvaluationResult(PythonProcess process, string exceptionText, string expression, PythonStackFrame frame)
{
_process = process;
_expression = expression;
_frame = frame;
_exceptionText = exceptionText;
}
internal static string ReformatStackTrace(PythonProcess process, string data)
{
var lines = new Stack <IEnumerable <string> >();
var sb = new StringBuilder();
using (var reader = new StringReader(data)) {
for (var line = reader.ReadLine(); line != null; line = reader.ReadLine())
{
lines.Push(SplitReprs(line).ToArray());
}
}
foreach (var line in lines)
{
var filename = line.ElementAtOrDefault(0);
var lineNumber = line.ElementAtOrDefault(1);
var functionName = line.ElementAtOrDefault(2);
//var text = stackLine.ElementAtOrDefault(3);
int lineNo;
if (process != null &&
!string.IsNullOrEmpty(filename) &&
!string.IsNullOrEmpty(lineNumber) &&
int.TryParse(lineNumber, out lineNo) &&
!string.IsNullOrEmpty(functionName))
{
functionName = PythonStackFrame.GetQualifiedFunctionName(process, filename, lineNo, functionName);
}
if (!string.IsNullOrEmpty(filename))
{
sb.Append(filename);
if (!string.IsNullOrEmpty(lineNumber))
{
sb.Append(":");
sb.Append(lineNumber);
}
sb.Append(" in ");
}
if (string.IsNullOrEmpty(functionName))
{
sb.AppendLine("<unknown>");
}
else
{
sb.AppendLine(functionName);
}
}
while (sb.Length > 0 && char.IsWhiteSpace(sb[sb.Length - 1]))
{
sb.Length -= 1;
}
return(sb.ToString());
}
/// <summary>
/// Creates a PythonObject for an expression which successfully returned a value.
/// </summary>
public PythonEvaluationResult(PythonProcess process, string objRepr, string hexRepr, string typeName, long length, string expression, string childName, PythonStackFrame frame, PythonEvaluationResultFlags flags) {
_process = process;
_objRepr = objRepr;
_hexRepr = hexRepr;
_typeName = typeName;
_length = length;
_expression = expression;
_childName = childName;
_frame = frame;
_flags = flags;
}
/// <summary>
/// Creates a PythonObject for an expression which successfully returned a value.
/// </summary>
public PythonEvaluationResult(PythonProcess process, string objRepr, string typeName, string expression, string childText, bool childIsIndex, PythonStackFrame frame, bool isExpandable)
{
_process = process;
_expression = expression;
_frame = frame;
_objRepr = objRepr;
_typeName = typeName;
_isExpandable = isExpandable;
_childText = childText;
_childIsIndex = childIsIndex;
}
/// <summary>
/// Creates a PythonObject for an expression which successfully returned a value.
/// </summary>
public PythonEvaluationResult(PythonProcess process, string objRepr, string hexRepr, string typeName, long length, string expression, string childName, PythonStackFrame frame, PythonEvaluationResultFlags flags)
{
_process = process;
_objRepr = objRepr;
_hexRepr = hexRepr;
_typeName = typeName;
_length = length;
_expression = expression;
_childName = childName;
_frame = frame;
_flags = flags;
}
internal void EnumChildren(string text, PythonStackFrame pythonStackFrame, Action <PythonEvaluationResult[]> completion)
{
DebugWriteCommand("Enum Children");
_socket.Send(GetChildrenCommandBytes);
SendString(_socket, text);
int executeId = _ids.Allocate();
lock (_pendingChildEnums) {
_socket.Send(BitConverter.GetBytes(pythonStackFrame.Thread.Id));
_socket.Send(BitConverter.GetBytes(pythonStackFrame.FrameId));
_socket.Send(BitConverter.GetBytes(executeId));
_pendingChildEnums[executeId] = new ChildrenInfo(completion, text, pythonStackFrame);
}
}
internal bool SetLineNumber(PythonStackFrame pythonStackFrame, int lineNo)
{
DebugWriteCommand("Set Line Number");
_setLineResult = false;
_socket.Send(SetLineNumberCommand);
_socket.Send(BitConverter.GetBytes(pythonStackFrame.Thread.Id));
_socket.Send(BitConverter.GetBytes(pythonStackFrame.FrameId));
_socket.Send(BitConverter.GetBytes(lineNo));
// wait up to 2 seconds for line event...
for (int i = 0; i < 20 &&
_socket.Connected &&
WaitForSingleObject(_frameEvent.SafeWaitHandle, 100) != 0; i++)
{
}
return(_setLineResult);
}
public ChildrenInfo(Action<PythonEvaluationResult[]> completion, string text, PythonStackFrame frame) {
Completion = completion;
Text = text;
Frame = frame;
}
internal bool SetLineNumber(PythonStackFrame pythonStackFrame, int lineNo) {
if (_stoppedForException) {
return false;
}
DebugWriteCommand("Set Line Number");
lock (_streamLock) {
_setLineResult = false;
_stream.Write(SetLineNumberCommand);
_stream.WriteInt64(pythonStackFrame.Thread.Id);
_stream.WriteInt32(pythonStackFrame.FrameId);
_stream.WriteInt32(lineNo);
}
// wait up to 2 seconds for line event...
for (int i = 0; i < 20 && _stream != null; i++) {
if (NativeMethods.WaitForSingleObject(_lineEvent.SafeWaitHandle, 100) == 0) {
break;
}
}
return _setLineResult;
}
internal void EnumChildren(string text, PythonStackFrame pythonStackFrame, Action<PythonEvaluationResult[]> completion) {
DebugWriteCommand("Enum Children");
int executeId = _ids.Allocate();
lock (_pendingChildEnums) {
_pendingChildEnums[executeId] = new ChildrenInfo(completion, text, pythonStackFrame);
}
lock (_streamLock) {
_stream.Write(GetChildrenCommandBytes);
_stream.WriteString(text);
_stream.WriteInt64(pythonStackFrame.Thread.Id);
_stream.WriteInt32(pythonStackFrame.FrameId);
_stream.WriteInt32(executeId);
_stream.WriteInt32((int)pythonStackFrame.Kind);
}
}
internal void ExecuteText(string text, PythonEvaluationResultReprKind reprKind, PythonStackFrame pythonStackFrame, Action<PythonEvaluationResult> completion) {
int executeId = _ids.Allocate();
DebugWriteCommand("ExecuteText to thread " + pythonStackFrame.Thread.Id + " " + executeId);
lock (_pendingExecutes) {
_pendingExecutes[executeId] = new CompletionInfo(completion, text, pythonStackFrame);
}
lock (_streamLock) {
_stream.Write(ExecuteTextCommandBytes);
_stream.WriteString(text);
_stream.WriteInt64(pythonStackFrame.Thread.Id);
_stream.WriteInt32(pythonStackFrame.FrameId);
_stream.WriteInt32(executeId);
_stream.WriteInt32((int)pythonStackFrame.Kind);
_stream.WriteInt32((int)reprKind);
}
}
internal void SwitchFrame(PythonStackFrame frame) {
_frameId = frame.FrameId;
_thread?.SetThreadAndFrameCommand(frame.Thread.Id, frame.FrameId, frame.Kind);
WriteOutput(string.Format("Current frame changed to {0}", frame.FrameId));
}
public ChildrenInfo(Action <PythonEvaluationResult[]> completion, string text, PythonStackFrame frame)
{
Completion = completion;
Text = text;
Frame = frame;
}
private PythonEvaluationResult ReadPythonObject(Stream stream, string expr, string childName, PythonStackFrame frame) {
string objRepr = stream.ReadString();
string hexRepr = stream.ReadString();
string typeName = stream.ReadString();
long length = stream.ReadInt64();
var flags = (PythonEvaluationResultFlags)stream.ReadInt32();
if (!flags.HasFlag(PythonEvaluationResultFlags.Raw) && ((typeName == "unicode" && LanguageVersion.Is2x()) || (typeName == "str" && LanguageVersion.Is3x()))) {
objRepr = objRepr.FixupEscapedUnicodeChars();
}
if (typeName == "bool") {
hexRepr = null;
}
return new PythonEvaluationResult(this, objRepr, hexRepr, typeName, length, expr, childName, frame, flags);
}
private void HandleThreadFrameList(Stream stream) {
// list of thread frames
var frames = new List<PythonStackFrame>();
long tid = stream.ReadInt64();
PythonThread thread;
_threads.TryGetValue(tid, out thread);
var threadName = stream.ReadString();
int frameCount = stream.ReadInt32();
for (int i = 0; i < frameCount; i++) {
int startLine = stream.ReadInt32();
int endLine = stream.ReadInt32();
int lineNo = stream.ReadInt32();
string frameName = stream.ReadString();
string filename = stream.ReadString();
int argCount = stream.ReadInt32();
var frameKind = (FrameKind)stream.ReadInt32();
PythonStackFrame frame = null;
if (thread != null) {
switch (frameKind) {
case FrameKind.Django:
string sourceFile = stream.ReadString();
var sourceLine = stream.ReadInt32();
frame = new DjangoStackFrame(thread, frameName, filename, startLine, endLine, lineNo, argCount, i, sourceFile, sourceLine);
break;
default:
frame = new PythonStackFrame(thread, frameName, filename, startLine, endLine, lineNo, argCount, i, frameKind);
break;
}
}
int varCount = stream.ReadInt32();
PythonEvaluationResult[] variables = new PythonEvaluationResult[varCount];
for (int j = 0; j < variables.Length; j++) {
string name = stream.ReadString();
if (frame != null) {
variables[j] = ReadPythonObject(stream, name, name, frame);
}
}
if (frame != null) {
frame.SetVariables(variables);
frames.Add(frame);
}
}
Debug.WriteLine("Received frames for thread {0}", tid);
if (thread != null) {
thread.Frames = frames;
if (threadName != null) {
thread.Name = threadName;
}
}
}
internal void SwitchFrame(PythonStackFrame frame) {
_frameId = frame.FrameId;
SetThreadAndFrameCommand(frame.Thread.Id, frame.FrameId, frame.Kind);
Window.WriteLine(String.Format("Current frame changed to {0}", frame.FrameId));
}
/// <summary>
/// Creates a PythonObject for an expression which raised an exception instead of returning a value.
/// </summary>
public PythonEvaluationResult(PythonProcess process, string exceptionText, string expression, PythonStackFrame frame) {
_process = process;
_expression = expression;
_frame = frame;
_exceptionText = exceptionText;
}
private PythonEvaluationResult ReadPythonObject(Socket socket, string text, string childText, bool childIsIndex, PythonStackFrame frame)
{
string objRepr = socket.ReadString();
string typeName = socket.ReadString();
bool isExpandable = socket.ReadInt() == 1;
return(new PythonEvaluationResult(this, objRepr, typeName, text, childText, childIsIndex, frame, isExpandable));
}