/// <summary>
/// This method is used to sort regions from outter to inner (smaller offsets first) so that the regions are dumped
/// with the desired format on msil in case we've got nested regions.
/// </summary>
/// <param name="other">Region to compare to</param>
/// <returns>This method returns -1 if the first is smaller, 0 if they are equal, 1 if the first is greater.</returns>
public int CompareTo(CilExceptionRegion other)
{
int offset1 = StartOffset;
int offset2 = other.StartOffset;
if (offset1 == offset2)
{
return other.EndOffset - EndOffset;
}
return offset1 - offset2;
}
/// <summary>
/// This method is used to sort regions from outter to inner (smaller offsets first) so that the regions are dumped
/// with the desired format on msil in case we've got nested regions.
/// </summary>
/// <param name="other">Region to compare to</param>
/// <returns>This method returns -1 if the first is smaller, 0 if they are equal, 1 if the first is greater.</returns>
public int CompareTo(CilExceptionRegion other)
{
int offset1 = StartOffset;
int offset2 = other.StartOffset;
if (offset1 == offset2)
{
return(other.EndOffset - EndOffset);
}
return(offset1 - offset2);
}
public static IReadOnlyList <CilExceptionRegion> CreateRegions(ImmutableArray <ExceptionRegion> exceptionRegions)
{
if (exceptionRegions.Length == 0)
{
return(new CilExceptionRegion[0]);
}
var spans = new List <CilExceptionRegion>();
foreach (ExceptionRegion region in exceptionRegions)
{
var startOffset = region.TryOffset;
var endOffset = region.TryOffset + region.TryLength;
var span = new CilExceptionRegion(HandlerKind.Try, region.CatchType, startOffset, -1, endOffset);
if (spans.Count == 0 || spans[spans.Count - 1].CompareTo(span) != 0)
{
spans.Add(span);
continue;
}
}
foreach (ExceptionRegion region in exceptionRegions)
{
var startOffset = region.HandlerOffset;
var endOffset = region.HandlerOffset + region.HandlerLength;
switch (region.Kind)
{
case ExceptionRegionKind.Catch:
spans.Add(new CilExceptionRegion(HandlerKind.Catch, region.CatchType, startOffset, -1, endOffset));
break;
case ExceptionRegionKind.Fault:
spans.Add(new CilExceptionRegion(HandlerKind.Fault, region.CatchType, startOffset, -1, endOffset));
break;
case ExceptionRegionKind.Filter:
spans.Add(new CilExceptionRegion(HandlerKind.Filter, region.CatchType, startOffset, region.FilterOffset, endOffset));
break;
case ExceptionRegionKind.Finally:
spans.Add(new CilExceptionRegion(HandlerKind.Finally, region.CatchType, startOffset, -1, endOffset));
break;
}
}
spans.Sort((CilExceptionRegion region1, CilExceptionRegion region2) => { return(region1.CompareTo(region2)); });
return(spans);
}
public static IReadOnlyList<CilExceptionRegion> CreateRegions(ImmutableArray<ExceptionRegion> exceptionRegions)
{
if (exceptionRegions.Length == 0)
{
return new CilExceptionRegion[0];
}
var spans = new List<CilExceptionRegion>();
foreach (ExceptionRegion region in exceptionRegions)
{
var startOffset = region.TryOffset;
var endOffset = region.TryOffset + region.TryLength;
var span = new CilExceptionRegion(HandlerKind.Try, region.CatchType, startOffset, -1, endOffset);
if (spans.Count == 0 || spans[spans.Count - 1].CompareTo(span) != 0)
{
spans.Add(span);
continue;
}
}
foreach (ExceptionRegion region in exceptionRegions)
{
var startOffset = region.HandlerOffset;
var endOffset = region.HandlerOffset + region.HandlerLength;
switch (region.Kind)
{
case ExceptionRegionKind.Catch:
spans.Add(new CilExceptionRegion(HandlerKind.Catch, region.CatchType, startOffset, -1, endOffset));
break;
case ExceptionRegionKind.Fault:
spans.Add(new CilExceptionRegion(HandlerKind.Fault, region.CatchType, startOffset, -1, endOffset));
break;
case ExceptionRegionKind.Filter:
spans.Add(new CilExceptionRegion(HandlerKind.Filter, region.CatchType, startOffset, region.FilterOffset, endOffset));
break;
case ExceptionRegionKind.Finally:
spans.Add(new CilExceptionRegion(HandlerKind.Finally, region.CatchType, startOffset, -1, endOffset));
break;
}
}
spans.Sort((CilExceptionRegion region1, CilExceptionRegion region2) => { return region1.CompareTo(region2); });
return spans;
}