// Get a hash code.
public override int GetHashCode()
{
return((string.IsNullOrEmpty(this.FileName) ? 0 : this.FileName.GetHashCode()) ^
this.StartLine.GetHashCode() ^
this.StartColumn.GetHashCode() ^
((this.Checksum == null) ? 0 : SymbolHelper.GetHexStringFromChecksum(this.Checksum).GetHashCode()));
}
private ISymbolDocumentWriter GetSourceDocument(string fileName, byte[] checksum, Dictionary <string, byte[]> checksumCache)
{
ISymbolDocumentWriter documentWriter;
string sourceDocKey = fileName + SymbolHelper.GetHexStringFromChecksum(checksum);
if (!this.sourceDocuments.TryGetValue(sourceDocKey, out documentWriter))
{
documentWriter =
dynamicModule.DefineDocument(
fileName,
StateManager.WorkflowLanguageGuid,
SymLanguageVendor.Microsoft,
SymDocumentType.Text);
this.sourceDocuments.Add(sourceDocKey, documentWriter);
byte[] checksumBytes;
if (checksumCache == null || !checksumCache.TryGetValue(fileName.ToUpperInvariant(), out checksumBytes))
{
checksumBytes = SymbolHelper.CalculateChecksum(fileName);
}
if (checksumBytes != null)
{
documentWriter.SetCheckSum(new Guid(Md5Identifier), checksumBytes);
}
}
return(documentWriter);
}