public bool Equals(CatchSet other)
{
if ((other == null) || (Count != other.Count) || (!Equals(CatchAll, other.CatchAll)))
{
return(false);
}
for (var i = 0; i < Count; i++)
{
if (!this[i].Equals(other[i]))
{
return(false);
}
}
return(true);
}
/// <summary>
/// Write a single code_item structure
/// </summary>
/// <returns>True if a code_item was written, false otherwise</returns>
private bool WriteCodeItem(BinaryWriter writer, MethodDefinition method, uint sectionOffset)
{
codes.Add(method, 0);
var body = method.Body;
if (body == null)
{
return(false);
}
body.UpdateInstructionOffsets();
writer.EnsureAlignment(sectionOffset, 4);
codes[method] = (uint)writer.BaseStream.Position;
writer.Write((ushort)body.Registers.Count);
writer.Write(body.IncomingArguments);
writer.Write(body.OutgoingArguments);
writer.Write((ushort)body.Exceptions.Count);
debugMarkers.Add(method, writer.MarkUInt());
var iwriter = new InstructionWriter(this, method);
iwriter.WriteTo(writer);
if ((body.Exceptions.Count != 0) &&
(iwriter.Codes.Length % 2 != 0))
{
writer.Write((ushort)0);
}
// padding (tries 4-byte alignment)
var catchHandlers = new Dictionary <CatchSet, List <ExceptionHandler> >();
var exceptionsMarkers = new Dictionary <ExceptionHandler, UShortMarker>();
foreach (var handler in body.Exceptions)
{
writer.Write(handler.TryStart.Offset);
writer.Write((ushort)(iwriter.LookupLast[handler.TryEnd] - handler.TryStart.Offset + 1));
exceptionsMarkers.Add(handler, writer.MarkUShort());
var set = new CatchSet(handler);
if (!catchHandlers.ContainsKey(set))
{
catchHandlers.Add(set, new List <ExceptionHandler>());
}
catchHandlers[set].Add(handler);
}
var catchSets = catchHandlers.Keys.ToList();
catchSets.Sort(new CatchSetComparer());
if (catchSets.Count > 0)
{
var baseOffset = writer.BaseStream.Position;
writer.WriteULEB128((uint)catchSets.Count);
foreach (var set in catchSets)
{
var itemoffset = writer.BaseStream.Position - baseOffset;
if (set.CatchAll != null)
{
writer.WriteSLEB128(-set.Count);
}
else
{
writer.WriteSLEB128(set.Count);
}
foreach (var handler in catchHandlers[set])
{
exceptionsMarkers[handler].Value = (ushort)itemoffset;
}
foreach (var @catch in set)
{
writer.WriteULEB128((uint)typeLookup[@catch.Type]);
writer.WriteULEB128((uint)@catch.Instruction.Offset);
}
if (set.CatchAll != null)
{
writer.WriteULEB128((uint)set.CatchAll.Offset);
}
}
}
return(true);
}