The descriptor for a filter clause (.filter)
Inheritance: HandlerBlock
Ejemplo n.º 1
0
 /// <summary>
 /// Mark this position as the end of the last started block and
 /// make it a filter block.  This filter block is associated with the
 /// specified try block.  The format is:
 /// filterLab:   ...
 ///              ...
 /// filterHandler :  ...
 ///                  ...
 /// </summary>
 /// <param name="filterLab">the label where the filter code is</param>
 /// <param name="tryBlock">the try block associated with this filter block</param>
 public void EndFilterBlock(CILLabel filterLab, TryBlock tryBlock)
 {
     Filter filBlock = new Filter(filterLab,(CILLabel)blockStack.Pop(),NewCodedLabel());
     tryBlock.AddHandler(filBlock);
 }
Ejemplo n.º 2
0
 internal TryBlock MakeTryBlock(ArrayList labels)
 {
     TryBlock tBlock = new TryBlock(CILInstructions.GetLabel(labels,tryOffset),
         CILInstructions.GetLabel(labels,tryOffset + tryLength));
     CILLabel hStart = CILInstructions.GetLabel(labels,handlerOffset);
     CILLabel hEnd = CILInstructions.GetLabel(labels,handlerOffset+handlerLength);
     HandlerBlock handler = null;
     switch (clauseType) {
         case (EHClauseType.Exception) :
             handler = new Catch((Class)classToken,hStart,hEnd);
             break;
         case (EHClauseType.Filter) :
             handler = new Filter(CILInstructions.GetLabel(labels,filterOffset),hStart,hEnd);
             break;
         case (EHClauseType.Finally) :
             handler = new Finally(hStart,hEnd);
             break;
         case (EHClauseType.Fault) :
             handler = new Fault(hStart,hEnd);
             break;
     }
     tBlock.AddHandler(handler);
     return tBlock;
 }