public virtual int DefineDecisionState(DecisionState s)
{
decisionToState.Add(s);
s.decision = decisionToState.Count - 1;
decisionToDFA = Arrays.CopyOf(decisionToDFA, decisionToState.Count);
decisionToDFA[decisionToDFA.Length - 1] = new DFA(s, s.decision);
return(s.decision);
}
protected internal virtual void ReadDecisions(ATN atn)
{
//
// DECISIONS
//
int ndecisions = ReadInt();
for (int i_11 = 0; i_11 < ndecisions; i_11++)
{
int s = ReadInt();
DecisionState decState = (DecisionState)atn.states[s];
atn.decisionToState.Add(decState);
decState.decision = i_11;
}
atn.decisionToDFA = new DFA[ndecisions];
for (int i_12 = 0; i_12 < ndecisions; i_12++)
{
atn.decisionToDFA[i_12] = new DFA(atn.decisionToState[i_12], i_12);
}
}
protected internal virtual void VerifyATN(ATN atn)
{
// verify assumptions
foreach (ATNState state in atn.states)
{
if (state == null)
{
continue;
}
CheckCondition(state.OnlyHasEpsilonTransitions || state.NumberOfTransitions <= 1);
if (state is PlusBlockStartState)
{
CheckCondition(((PlusBlockStartState)state).loopBackState != null);
}
if (state is StarLoopEntryState)
{
StarLoopEntryState starLoopEntryState = (StarLoopEntryState)state;
CheckCondition(starLoopEntryState.loopBackState != null);
CheckCondition(starLoopEntryState.NumberOfTransitions == 2);
if (starLoopEntryState.Transition(0).target is StarBlockStartState)
{
CheckCondition(starLoopEntryState.Transition(1).target is LoopEndState);
CheckCondition(!starLoopEntryState.nonGreedy);
}
else
{
if (starLoopEntryState.Transition(0).target is LoopEndState)
{
CheckCondition(starLoopEntryState.Transition(1).target is StarBlockStartState);
CheckCondition(starLoopEntryState.nonGreedy);
}
else
{
throw new InvalidOperationException();
}
}
}
if (state is StarLoopbackState)
{
CheckCondition(state.NumberOfTransitions == 1);
CheckCondition(state.Transition(0).target is StarLoopEntryState);
}
if (state is LoopEndState)
{
CheckCondition(((LoopEndState)state).loopBackState != null);
}
if (state is RuleStartState)
{
CheckCondition(((RuleStartState)state).stopState != null);
}
if (state is BlockStartState)
{
CheckCondition(((BlockStartState)state).endState != null);
}
if (state is BlockEndState)
{
CheckCondition(((BlockEndState)state).startState != null);
}
if (state is DecisionState)
{
DecisionState decisionState = (DecisionState)state;
CheckCondition(decisionState.NumberOfTransitions <= 1 || decisionState.decision >= 0);
}
else
{
CheckCondition(state.NumberOfTransitions <= 1 || state is RuleStopState);
}
}
}
