/// <summary>
/// Unwind the wrapped sources to get to a TraceEventStackSource if possible.
/// </summary>
private static TraceEventStackSource GetTraceEventStackSource(StackSource source)
{
StackSourceStacks rawSource = source;
TraceEventStackSource asTraceEventStackSource = null;
for (; ;)
{
asTraceEventStackSource = rawSource as TraceEventStackSource;
if (asTraceEventStackSource != null)
{
return(asTraceEventStackSource);
}
var asCopyStackSource = rawSource as CopyStackSource;
if (asCopyStackSource != null)
{
rawSource = asCopyStackSource.SourceStacks;
continue;
}
var asStackSource = rawSource as StackSource;
if (asStackSource != null && asStackSource != asStackSource.BaseStackSource)
{
rawSource = asStackSource.BaseStackSource;
continue;
}
return(null);
}
}
public bool LookupWarmSymbols(int minCount)
{
StackSourceStacks rawSource = this.stackSource.BaseStackSource;
for (;;)
{
if (rawSource is TraceEventStackSource asTraceEventStackSource)
{
asTraceEventStackSource.LookupWarmSymbols(minCount, this.symbolReader);
return(true);
}
if (rawSource is CopyStackSource asCopyStackSource)
{
rawSource = asCopyStackSource.SourceStacks;
continue;
}
if (rawSource is StackSource asStackSource && asStackSource != asStackSource.BaseStackSource)
{
rawSource = asStackSource.BaseStackSource;
continue;
}
return(false);
}
}
private static TraceEventStackSource GetTraceEventStackSource(StackSource source)
{
StackSourceStacks rawSource = source;
while (true)
{
if (rawSource is TraceEventStackSource asTraceEventStackSource)
{
return(asTraceEventStackSource);
}
if (rawSource is CopyStackSource asCopyStackSource)
{
rawSource = asCopyStackSource.SourceStacks;
continue;
}
if (rawSource is StackSource asStackSource && asStackSource != asStackSource.BaseStackSource)
{
rawSource = asStackSource.BaseStackSource;
continue;
}
return(null);
}
}
