/// <summary>
/// Get the documents this method has lines in.
/// </summary>
public int GetDocumentsForMethod(
int bufferLength,
out int count,
[In, Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 0)] ISymUnmanagedDocument[] documents)
{
if (documents == null)
{
count = 0;
return(HResult.E_INVALIDARG);
}
var(single, multiple) = MethodExtents.GetMethodBodyDocuments(MetadataReader, DebugHandle);
if (!single.IsNil)
{
count = 1;
if (documents.Length < 1)
{
return(HResult.E_INVALIDARG);
}
documents[0] = new SymDocument(PdbReader, single);
return(HResult.S_OK);
}
// SymMethod w/o debug info wouldn't be created:
Debug.Assert(multiple != null);
// Methods don't usually span too many documents, so it's ok to use linear search.
var uniqueHandles = new List <DocumentHandle>();
foreach (var documentHandle in multiple)
{
if (!uniqueHandles.Contains(documentHandle))
{
uniqueHandles.Add(documentHandle);
}
}
count = uniqueHandles.Count;
if (documents.Length < uniqueHandles.Count)
{
return(HResult.E_INVALIDARG);
}
for (int i = 0; i < uniqueHandles.Count; i++)
{
documents[i] = new SymDocument(PdbReader, uniqueHandles[i]);
}
return(HResult.S_OK);
}
private Dictionary <DocumentId, List <(MethodId, int)> > GroupLineDeltasByDocument(SymUnmanagedLineDelta[] lineDeltas, int lineDeltaCount)
{
var methodMap = GetMethodMap();
var deltasByDocument = new Dictionary <DocumentId, List <(MethodId, int)> >();
for (int i = 0; i < lineDeltaCount; i++)
{
int methodToken = lineDeltas[i].MethodToken;
if (!TryGetDebuggableMethod(methodToken, out var pdbReader, out var handle))
{
continue;
}
var methodId = MethodId.FromToken(methodToken);
var(single, multiple) = MethodExtents.GetMethodBodyDocuments(pdbReader.MetadataReader, handle);
if (!single.IsNil)
{
AddExtentForDocument(single);
}
else
{
// method has debug info:
Debug.Assert(multiple != null);
foreach (var documentHandle in multiple)
{
AddExtentForDocument(documentHandle);
}
}
void AddExtentForDocument(DocumentHandle documentHandle)
{
var documentId = pdbReader.GetDocumentId(documentHandle);
if (!deltasByDocument.TryGetValue(documentId, out var extents))
{
deltasByDocument.Add(documentId, extents = new List <(MethodId, int)>());
}
extents.Add((methodId, lineDeltas[i].Delta));
}
}