/// <summary>
/// Analyzes the contents of an OMF file as a library or non-library.
/// </summary>
private OmfSegment.ParseResult DoAnalyze(Formatter formatter, bool parseAsLibrary)
{
bool first = true;
int offset = 0;
int len = mFileData.Length;
List <string> msgs = new List <string>();
while (len > 0)
{
OmfSegment.ParseResult result = OmfSegment.ParseHeader(mFileData, offset,
parseAsLibrary, msgs, out OmfSegment seg);
if (result == OmfSegment.ParseResult.Success)
{
if (!seg.ParseBody(formatter, msgs))
{
OmfSegment.AddErrorMsg(msgs, offset, "parsing of segment " +
seg.SegNum + " '" + seg.SegName + "' incomplete");
//result = OmfSegment.ParseResult.Failure;
}
}
MessageList.Clear();
foreach (string str in msgs)
{
MessageList.Add(str);
}
if (result == OmfSegment.ParseResult.IsLibrary)
{
// Need to start over in library mode.
Debug.WriteLine("Restarting in library mode");
return(result);
}
else if (result == OmfSegment.ParseResult.Failure)
{
// Could be a library we failed to parse, could be a totally bad file.
// If we were on the first segment, fail immediately so we can retry as
// library. If not, it's probably not a library (assuming the Library
// Dictionary segment appears first), but rather a partially-bad OMF.
if (first)
{
return(result);
}
break;
}
first = false;
Debug.Assert(seg.FileLength > 0);
SegmentList.Add(seg);
offset += seg.FileLength;
len -= seg.FileLength;
Debug.Assert(len >= 0);
}
Debug.WriteLine("Num segments = " + SegmentList.Count);
return(OmfSegment.ParseResult.Success);
}
