private static ImmutableArray <ExceptionRegion> ReadSmallExceptionHandlers(ref BlobReader memReader, int count)
{
var result = new ExceptionRegion[count];
for (int i = 0; i < result.Length; i++)
{
var kind = (ExceptionRegionKind)memReader.ReadUInt16();
var tryOffset = memReader.ReadUInt16();
var tryLength = memReader.ReadByte();
var handlerOffset = memReader.ReadUInt16();
var handlerLength = memReader.ReadByte();
var classTokenOrFilterOffset = memReader.ReadInt32();
result[i] = new ExceptionRegion(kind, tryOffset, tryLength, handlerOffset, handlerLength, classTokenOrFilterOffset);
}
return(ImmutableArray.Create(result));
}
private static ImmutableArray <ExceptionRegion> ReadFatExceptionHandlers(ref BlobReader memReader, int count)
{
var result = new ExceptionRegion[count];
for (int i = 0; i < result.Length; i++)
{
var sehFlags = (ExceptionRegionKind)memReader.ReadUInt32();
int tryOffset = memReader.ReadInt32();
int tryLength = memReader.ReadInt32();
int handlerOffset = memReader.ReadInt32();
int handlerLength = memReader.ReadInt32();
int classTokenOrFilterOffset = memReader.ReadInt32();
result[i] = new ExceptionRegion(sehFlags, tryOffset, tryLength, handlerOffset, handlerLength, classTokenOrFilterOffset);
}
return(ImmutableArray.Create(result));
}
public static void WriteTo(this SRM.ExceptionRegion exceptionHandler, Metadata.PEFile module, GenericContext context, ITextOutput writer)
{
writer.Write(".try ");
WriteOffsetReference(writer, exceptionHandler.TryOffset);
writer.Write('-');
WriteOffsetReference(writer, exceptionHandler.TryOffset + exceptionHandler.TryLength);
writer.Write(' ');
writer.Write(exceptionHandler.Kind.ToString().ToLowerInvariant());
if (exceptionHandler.FilterOffset != -1)
{
writer.Write(' ');
WriteOffsetReference(writer, exceptionHandler.FilterOffset);
writer.Write(" handler ");
}
if (!exceptionHandler.CatchType.IsNil)
{
writer.Write(' ');
exceptionHandler.CatchType.WriteTo(module, writer, context);
}
writer.Write(' ');
WriteOffsetReference(writer, exceptionHandler.HandlerOffset);
writer.Write('-');
WriteOffsetReference(writer, exceptionHandler.HandlerOffset + exceptionHandler.HandlerLength);
}
/// <summary>
/// </summary>
/// <param name="exceptionRegion">
/// </param>
/// <param name="catchType">
/// </param>
/// <param name="genericContext">
/// </param>
internal MetadataExceptionHandlingClauseAdapter(ExceptionRegion exceptionRegion, TypeSymbol catchType, IGenericContext genericContext)
: this(exceptionRegion, catchType)
{
this.GenericContext = genericContext;
}
/// <summary>
/// </summary>
/// <param name="exceptionRegion">
/// </param>
/// <param name="catchType">
/// </param>
internal MetadataExceptionHandlingClauseAdapter(ExceptionRegion exceptionRegion, TypeSymbol catchType)
{
this.exceptionRegion = exceptionRegion;
this.catchType = catchType;
this.lazyFinallyJumps = new Lazy<IList<string>>(() => new List<string>());
}
private static ImmutableArray<ExceptionRegion> ReadSmallExceptionHandlers(ref BlobReader memReader, int count)
{
var result = new ExceptionRegion[count];
for (int i = 0; i < result.Length; i++)
{
var kind = (ExceptionRegionKind)memReader.ReadUInt16();
var tryOffset = memReader.ReadUInt16();
var tryLength = memReader.ReadByte();
var handlerOffset = memReader.ReadUInt16();
var handlerLength = memReader.ReadByte();
var classTokenOrFilterOffset = memReader.ReadInt32();
result[i] = new ExceptionRegion(kind, tryOffset, tryLength, handlerOffset, handlerLength, classTokenOrFilterOffset);
}
return ImmutableArray.Create(result);
}
private static ImmutableArray<ExceptionRegion> ReadFatExceptionHandlers(ref BlobReader memReader, int count)
{
var result = new ExceptionRegion[count];
for (int i = 0; i < result.Length; i++)
{
var sehFlags = (ExceptionRegionKind)memReader.ReadUInt32();
int tryOffset = memReader.ReadInt32();
int tryLength = memReader.ReadInt32();
int handlerOffset = memReader.ReadInt32();
int handlerLength = memReader.ReadInt32();
int classTokenOrFilterOffset = memReader.ReadInt32();
result[i] = new ExceptionRegion(sehFlags, tryOffset, tryLength, handlerOffset, handlerLength, classTokenOrFilterOffset);
}
return ImmutableArray.Create(result);
}
