public string toString(bool debugIncludeStack = false)
{
var buffer = new StringBuilder();
buffer.Append(this.GetType() + "(");
D.assert(() => {
if (this.debugLabel != null)
{
buffer.Append(this.debugLabel());
}
return(true);
});
buffer.Append(')');
D.assert(() => {
if (debugIncludeStack)
{
buffer.AppendLine();
buffer.AppendLine("The stack trace when the " + this.GetType() + " was actually created was:");
UIWidgetsError.defaultStackFilter(this._debugCreationStack.TrimEnd().Split('\n'))
.Each(line => buffer.AppendLine(line));
}
return(true);
});
return(buffer.ToString());
}
void _invokeFrameCallback(FrameCallback callback, TimeSpan timeStamp, StackTrace callbackStack = null)
{
D.assert(callback != null);
D.assert(_FrameCallbackEntry.debugCurrentCallbackStack == null);
D.assert(() => {
_FrameCallbackEntry.debugCurrentCallbackStack = callbackStack;
return(true);
});
try {
callback(timeStamp);
} catch (Exception ex) {
UIWidgetsError.reportError(new UIWidgetsErrorDetails(
exception: ex,
library: "scheduler library",
context: "during a scheduler callback",
informationCollector: callbackStack == null
? (InformationCollector)null
: information => {
information.AppendLine(
"\nThis exception was thrown in the context of a scheduler callback. " +
"When the scheduler callback was _registered_ (as opposed to when the " +
"exception was thrown), this was the stack:"
);
UIWidgetsError.defaultStackFilter(callbackStack.ToString().TrimEnd().Split('\n'))
.Each((line) => information.AppendLine(line));
}
));
}
D.assert(() => {
_FrameCallbackEntry.debugCurrentCallbackStack = null;
return(true);
});
}
void _invokeFrameCallback(FrameCallback callback, TimeSpan timeStamp, string callbackStack = null)
{
D.assert(callback != null);
D.assert(_FrameCallbackEntry.debugCurrentCallbackStack == null);
D.assert(() => {
_FrameCallbackEntry.debugCurrentCallbackStack = callbackStack;
return(true);
});
try {
callback(timeStamp: timeStamp);
}
catch (Exception ex) {
IEnumerable <DiagnosticsNode> infoCollector()
{
yield return(DiagnosticsNode.message(
"\nThis exception was thrown in the context of a scheduler callback. " +
"When the scheduler callback was _registered_ (as opposed to when the " +
"exception was thrown), this was the stack:"));
var builder = new StringBuilder();
foreach (var line in UIWidgetsError.defaultStackFilter(
callbackStack.TrimEnd().Split('\n')))
{
builder.AppendLine(value: line);
}
yield return(DiagnosticsNode.message(builder.ToString()));
}
UIWidgetsError.reportError(new UIWidgetsErrorDetails(
exception: ex,
"scheduler library",
new ErrorDescription("during a scheduler callback"),
informationCollector: callbackStack == null
? (InformationCollector)null
: infoCollector
));
}
D.assert(() => {
_FrameCallbackEntry.debugCurrentCallbackStack = null;
return(true);
});
}
