public override int AdaptivePredict(ITokenStream input, int decision, ParserRuleContext outerContext)
{
try
{
this.sllStopIndex = -1;
this.llStopIndex = -1;
this.currentDecision = decision;
long start = DateTime.Now.ToFileTime(); // expensive but useful info
int alt = base.AdaptivePredict(input, decision, outerContext);
long stop = DateTime.Now.ToFileTime();
decisions[decision].timeInPrediction += (stop - start);
decisions[decision].invocations++;
int SLL_k = sllStopIndex - startIndex + 1;
decisions[decision].SLL_TotalLook += SLL_k;
decisions[decision].SLL_MinLook = decisions[decision].SLL_MinLook == 0 ? SLL_k : Math.Min(decisions[decision].SLL_MinLook, SLL_k);
if (SLL_k > decisions[decision].SLL_MaxLook)
{
decisions[decision].SLL_MaxLook = SLL_k;
decisions[decision].SLL_MaxLookEvent =
new LookaheadEventInfo(decision, null/*, alt*/, input, startIndex, sllStopIndex, false);
}
if (llStopIndex >= 0)
{
int LL_k = llStopIndex - startIndex + 1;
decisions[decision].LL_TotalLook += LL_k;
decisions[decision].LL_MinLook = decisions[decision].LL_MinLook == 0 ? LL_k : Math.Min(decisions[decision].LL_MinLook, LL_k);
if (LL_k > decisions[decision].LL_MaxLook)
{
decisions[decision].LL_MaxLook = LL_k;
decisions[decision].LL_MaxLookEvent =
new LookaheadEventInfo(decision, null/*, alt*/, input, startIndex, llStopIndex, true);
}
}
return alt;
}
finally
{
this.currentDecision = -1;
}
}