private void Analyze()
{
Instruction[] instructions = _interpreter.Instructions.Instructions;
foreach (Instruction instruction in instructions)
{
var enterTryCatchFinally = instruction as EnterTryCatchFinallyInstruction;
if (enterTryCatchFinally != null)
{
TryCatchFinallyHandler handler = enterTryCatchFinally.Handler;
AddTryStart(handler.TryStartIndex);
AddHandlerExit(handler.TryEndIndex + 1 /* include Goto instruction that acts as a "leave" */);
if (handler.IsFinallyBlockExist)
{
_handlerEnter.Add(handler.FinallyStartIndex, "finally");
AddHandlerExit(handler.FinallyEndIndex);
}
if (handler.IsCatchBlockExist)
{
foreach (ExceptionHandler catchHandler in handler.Handlers)
{
_handlerEnter.Add(catchHandler.HandlerStartIndex - 1 /* include EnterExceptionHandler instruction */, catchHandler.ToString());
AddHandlerExit(catchHandler.HandlerEndIndex);
ExceptionFilter filter = catchHandler.Filter;
if (filter != null)
{
_handlerEnter.Add(filter.StartIndex - 1 /* include EnterExceptionFilter instruction */, "filter");
AddHandlerExit(filter.EndIndex);
}
}
}
}
var enterTryFault = instruction as EnterTryFaultInstruction;
if (enterTryFault != null)
{
TryFaultHandler handler = enterTryFault.Handler;
AddTryStart(handler.TryStartIndex);
AddHandlerExit(handler.TryEndIndex + 1 /* include Goto instruction that acts as a "leave" */);
_handlerEnter.Add(handler.FinallyStartIndex, "fault");
AddHandlerExit(handler.FinallyEndIndex);
}
}
}
internal void SetTryHandler(TryCatchFinallyHandler tryHandler)
{
Debug.Assert(_tryHandler == null && tryHandler != null, "the tryHandler can be set only once");
_tryHandler = tryHandler;
}
internal void SetTryHandler(TryCatchFinallyHandler tryHandler)
{
Handler = tryHandler;
}
