public IEHTable CreateEHTable(IList <ExceptionHandlingClause> ehClauses)
{
EHTable = new EHTable(null);
foreach (var clause in ehClauses)
{
Int32 tryFrom_OffsetIndex = GetInstructionIndexByByteOffset(RawInstructions, clause.TryOffset);
Int32 tryTo_OffsetIndex = GetInstructionIndexByByteOffset(RawInstructions, clause.TryOffset + clause.TryLength - 1);
Int32 handlerFrom_OffsetIndex = GetInstructionIndexByByteOffset(RawInstructions, clause.HandlerOffset);
Int32 handlerTo_OffsetIndex = GetInstructionIndexByByteOffset(RawInstructions, clause.HandlerOffset + clause.HandlerLength - 1);
switch (clause.Flags)
{
case ExceptionHandlingClauseOptions.Clause:
{
var token = GetClassTokenForType(clause.CatchType);
EHTable.AddCatchHandler(tryFrom_OffsetIndex, tryTo_OffsetIndex, token, handlerFrom_OffsetIndex, handlerTo_OffsetIndex);
break;
}
case ExceptionHandlingClauseOptions.Finally:
{
EHTable.AddFinallyHandler(tryFrom_OffsetIndex, tryTo_OffsetIndex, handlerFrom_OffsetIndex, handlerTo_OffsetIndex);
break;
}
case ExceptionHandlingClauseOptions.Fault:
case ExceptionHandlingClauseOptions.Filter:
throw new NotImplementedException("Fault and Filter exception handling clause options are not implemented");
}
}
return(EHTable);
}
public MethodDesc()
{
_labelResolver = new LabelResolver();
EHTable = new EHTable(_labelResolver);
}