public static TlaAutomaton TranslateToTlaAutomaton(this automaton root, bool useTransitionConditions, AutomatonParsingContext ctx)
{
var automaton = new TlaAutomaton();
foreach (var state in root.states)
{
var name = state.stateName.identifier.@string;
automaton.CreateState(name, name.EndsWith("_init"), name.StartsWith("accept_"));
}
foreach (var state in root.states)
{
foreach (var target in state.transitions)
{
var condition = target.condition.Translate(useTransitionConditions, ctx);
automaton.CreateTransition(state.stateName.identifier.@string, target.stateName.identifier.@string, condition);
}
if (state.skip != null)
{
automaton.CreateTransition(
state.stateName.identifier.@string, state.stateName.identifier.@string,
useTransitionConditions ? new TlaTransitionConditionFormula(new Model.TransitionConditionExpr.ConstExpr(true))
: (TlaFormula) new TlaExprFormula(new TlaExpr.Const(true))
);
}
}
return(automaton);
}
public static Automaton TranslateToModel(this automaton root, AutomatonParsingContext ctx)
{
var transitionIdCount = 0;
var a = new Automaton()
{
States = root.states.Select((s, n) => new State(n)
{
Name = s.stateName.identifier.@string,
IsInitial = [email protected]("_init"),
IsAccepting = [email protected]("accept_"),
}).ToList()
};
foreach (var state in root.states)
{
var st = a.States.First(s => s.Name == state.stateName.identifier.@string);
st.Outgoing = state.transitions != null?state.transitions.Select(t => new Transition(transitionIdCount++)
{
ToId = a.States.First(s => s.Name == t.stateName.identifier.@string).Id,
FromId = st.Id,
Condition = t.condition.exprSeq.TranslateToConditionExpr(ctx)
}).ToList() : new List <Transition>();
if (state.skip != null)
{
st.Outgoing.Add(new Transition(transitionIdCount++)
{
ToId = st.Id, FromId = st.Id
});
}
}
foreach (var st in a.States)
{
st.Incoming = a.States.SelectMany(s => s.Outgoing).Where(t => t.ToId == st.Id).ToList();
}
return(a);
}
