public void Clone(out IStream ppstm) => ppstm = new DataReaderIStream(dataReaderFactory, reader, name);
public static SymbolReader Create(PdbReaderContext pdbContext, MD.Metadata metadata, DataReaderFactory pdbStream)
{
ISymUnmanagedReader unmanagedReader = null;
SymbolReaderImpl symReader = null;
ReaderMetaDataImport mdImporter = null;
DataReaderIStream comPdbStream = null;
bool error = true;
try {
if (pdbStream is null)
{
return(null);
}
var debugDir = pdbContext.CodeViewDebugDirectory;
if (debugDir is null)
{
return(null);
}
if (!pdbContext.TryGetCodeViewData(out var pdbGuid, out uint age))
{
return(null);
}
unmanagedReader = CreateSymUnmanagedReader(pdbContext.Options);
if (unmanagedReader is null)
{
return(null);
}
mdImporter = new ReaderMetaDataImport(metadata);
comPdbStream = new DataReaderIStream(pdbStream);
int hr = unmanagedReader.Initialize(mdImporter, null, null, comPdbStream);
if (hr < 0)
{
return(null);
}
symReader = new SymbolReaderImpl(unmanagedReader, new object[] { pdbStream, mdImporter, comPdbStream });
if (!symReader.MatchesModule(pdbGuid, debugDir.TimeDateStamp, age))
{
return(null);
}
error = false;
return(symReader);
}
catch (IOException) {
}
catch (InvalidCastException) {
}
catch (COMException) {
}
finally {
if (error)
{
pdbStream?.Dispose();
symReader?.Dispose();
mdImporter?.Dispose();
comPdbStream?.Dispose();
(unmanagedReader as ISymUnmanagedDispose)?.Destroy();
}
}
return(null);
}