public ProtectedRegion(BasicBlocks basicBlocks, MosaExceptionHandler exceptionHandler)
{
this.Handler = exceptionHandler;
foreach (var block in basicBlocks)
{
if (block.Label >= exceptionHandler.TryStart && block.Label < exceptionHandler.TryEnd)
{
included.Add(block);
}
else
{
excluded.Add(block);
}
}
}
protected MosaExceptionHandler FindFinallyExceptionContext(InstructionNode node)
{
MosaExceptionHandler innerClause = null;
int label = node.Label;
foreach (var handler in MethodCompiler.Method.ExceptionHandlers)
{
if (handler.IsLabelWithinHandler(label))
{
return(handler);
}
}
return(null);
}
protected MosaExceptionHandler FindNextEnclosingFinallyHandler(MosaExceptionHandler exceptionHandler)
{
var index = Method.ExceptionHandlers.IndexOf(exceptionHandler);
var at = exceptionHandler.TryStart;
for (int i = index + 1; i < Method.ExceptionHandlers.Count; i++)
{
var entry = Method.ExceptionHandlers[i];
if (entry.ExceptionHandlerType != ExceptionHandlerType.Finally ||
!entry.IsLabelWithinTry(at))
{
continue;
}
return(entry);
}
return(null);
}
protected MosaExceptionHandler FindNextEnclosingFinallyContext(MosaExceptionHandler exceptionContext)
{
int index = MethodCompiler.Method.ExceptionHandlers.IndexOf(exceptionContext);
for (int i = index + 1; i < MethodCompiler.Method.ExceptionHandlers.Count; i++)
{
var entry = MethodCompiler.Method.ExceptionHandlers[i];
if (!entry.IsLabelWithinTry(exceptionContext.TryStart))
{
return(null);
}
if (entry.ExceptionHandlerType != ExceptionHandlerType.Finally)
{
continue;
}
return(entry);
}
return(null);
}
