// Enumerates the children of a property. This provides support for dereferencing pointers, displaying members of an array, or fields of a class or struct.
// The sample debugger only supports pointer dereferencing as children. This means there is only ever one child.
public int EnumChildren(enum_DEBUGPROP_INFO_FLAGS dwFields, uint dwRadix, ref System.Guid guidFilter, enum_DBG_ATTRIB_FLAGS dwAttribFilter, string pszNameFilter, uint dwTimeout, out IEnumDebugPropertyInfo2 ppEnum)
{
ppEnum = null;
var children = _evalResult.GetChildren((int)dwTimeout);
if (children != null)
{
DEBUG_PROPERTY_INFO[] properties = new DEBUG_PROPERTY_INFO[children.Length];
for (int i = 0; i < children.Length; i++)
{
properties[i] = new AD7Property(_frame, children[i], true).ConstructDebugPropertyInfo(dwRadix, dwFields);
}
ppEnum = new AD7PropertyEnum(properties);
return(VSConstants.S_OK);
}
return(VSConstants.S_FALSE);
}
private void ChildTest(string filename, int lineNo, string text, params ChildInfo[] children)
{
var debugger = new PythonDebugger();
PythonThread thread = null;
var process = DebugProcess(debugger, DebuggerTestPath + filename, (newproc, newthread) => {
var breakPoint = newproc.AddBreakPoint(filename, lineNo);
breakPoint.Add();
thread = newthread;
});
AutoResetEvent brkHit = new AutoResetEvent(false);
process.BreakpointHit += (sender, args) => {
brkHit.Set();
};
process.ExceptionRaised += (sender, args) => {
// some versions of Python raise exceptions during startup
args.Thread.Resume();
};
process.Start();
brkHit.WaitOne();
var frames = thread.GetFrames();
AutoResetEvent evalComplete = new AutoResetEvent(false);
PythonEvaluationResult evalRes = null;
frames[0].ExecuteText(text, (completion) => {
evalRes = completion;
evalComplete.Set();
});
evalComplete.WaitOne();
Assert.IsTrue(evalRes != null);
if (children == null)
{
Assert.IsTrue(!evalRes.IsExpandable);
Assert.IsTrue(evalRes.GetChildren(Int32.MaxValue) == null);
}
else
{
Assert.IsTrue(evalRes.IsExpandable);
var childrenReceived = new List <PythonEvaluationResult>(evalRes.GetChildren(Int32.MaxValue));
Assert.IsTrue(children.Length == childrenReceived.Count);
for (int i = 0; i < children.Length; i++)
{
bool foundChild = false;
for (int j = 0; j < childrenReceived.Count; j++)
{
if (childrenReceived[j].ChildText == children[i].ChildText && childrenReceived[j].StringRepr == children[i].Repr)
{
foundChild = true;
if (children[i].ChildText.StartsWith("["))
{
Assert.AreEqual(childrenReceived[j].Expression, text + children[i].ChildText);
}
else
{
Assert.AreEqual(childrenReceived[j].Expression, text + "." + children[i].ChildText);
}
Assert.AreEqual(childrenReceived[j].Frame, frames[0]);
childrenReceived.RemoveAt(j);
break;
}
}
Assert.IsTrue(foundChild);
}
Assert.IsTrue(childrenReceived.Count == 0);
}
process.Continue();
process.WaitForExit();
}
