public bool ParseFromFile(string filename)
{
const int BufferSize = 1024 * 4;
using (var fileStream = File.OpenRead(filename))
using (var InputStreamReader = new StreamReader(fileStream, Encoding.UTF8, true, BufferSize))
{
string line;
while ((line = InputStreamReader.ReadLine()) != null)
{
line = line.Substring(line.IndexOf('>') + 1);
line = line.Trim();
if (line.Length == 0)
{
continue;
}
var startMatch = ClassLayoutStartRegex.Match(line);
if (startMatch.Success)
{
string decoratedSymbol = startMatch.Groups[1].ToString();
Dbghelp.UnDecorateSymbolName(decoratedSymbol, UnDecoratedSymbol, UnDecoratedSymbol.Capacity, Dbghelp.UnDecorateFlags.UNDNAME_COMPLETE);
string classSymbol = UnDecoratedSymbol.ToString();
int classSize = int.Parse(startMatch.Groups[2].ToString());
var classResult = new ClassLayout();
// only save the result if its the first time we have seen the name
if (!Classes.ContainsKey(classSymbol))
{
classResult.Name = classSymbol;
classResult.Size = classSize;
Classes.Add(classSymbol, classResult);
}
// consume this layout descriptor
ParseClass(classResult, InputStreamReader);
}
}
}
return(true);
}
void ParseClass(ClassLayout ClassResult, StreamReader InputStreamReader)
{
ClassMember previousMemberAlignSkip = null;
ClassMember previousMember = null;
string line;
while ((line = InputStreamReader.ReadLine()) != null)
{
line = line.Substring(line.IndexOf('>') + 1);
line = line.Trim();
if (line.Length == 0)
{
break;
}
#region ExtractClassMember
var classMemberMatch = ExtractClassMember.Match(line);
if (classMemberMatch.Success)
{
string memberOffsetString = classMemberMatch.Groups[1].ToString();
int memberOffset = int.Parse(memberOffsetString);
string memberName = classMemberMatch.Groups[2].ToString().Trim();
string memberType = null;
if (memberName.IndexOf(' ') > 0)
{
string[] memberTypeAndName = memberName.Split(' ');
string decMemberType = memberTypeAndName[0].Trim();
memberName = memberTypeAndName[1].Trim();
if (Dbghelp.UnDecorateSymbolName(decMemberType, UnDecoratedSymbol, UnDecoratedSymbol.Capacity, Dbghelp.UnDecorateFlags.UNDNAME_COMPLETE) > 0)
{
memberType = UnDecoratedSymbol.ToString();
}
else
{
memberType = decMemberType;
}
}
if (previousMember != null)
{
if (previousMemberAlignSkip != null)
{
previousMemberAlignSkip.Size = memberOffset - (previousMemberAlignSkip.Offset + previousMember.Size);
}
else
{
previousMember.Size = memberOffset - previousMember.Offset;
}
}
var newMember = new ClassMember()
{
Type = memberType,
Name = memberName,
Offset = memberOffset,
};
previousMember = newMember;
previousMemberAlignSkip = null;
ClassResult.Members.Add(newMember);
continue;
}
#endregion
#region ExtractAlignmentMember
var AlignmentMemberMatch = ExtractAlignmentMember.Match(line);
if (AlignmentMemberMatch.Success)
{
string memberSizeString = AlignmentMemberMatch.Groups[1].ToString();
int memberSize = int.Parse(memberSizeString);
var newMember = new ClassMember()
{
Size = memberSize,
};
previousMemberAlignSkip = previousMember;
previousMember = newMember;
ClassResult.TotalAlignmentEntries++;
ClassResult.TotalAlignmentPadding += memberSize;
ClassResult.Members.Add(newMember);
continue;
}
#endregion
}
if (previousMember != null && previousMember.Name != null)
{
previousMember.Size = ClassResult.Size - previousMember.Offset;
}
}
