FsmFragment IExprVisitor <FsmFragment> .VisitCharClass(CharClassExpr charClassExpr)
{
var from = _fsm.CreateState();
var to = _fsm.CreateState();
FsmTransitionCondition condition = new FsmTransitionCondition(null, charClassExpr.ClassTest, null, false);
_fsm.CreateTransition(from, to, condition);
return(new FsmFragment(from, to));
}
FsmFragment IExprVisitor <FsmFragment> .VisitChars(CharsExpr charsExpr)
{
var from = _fsm.CreateState();
var to = from;
foreach (var ch in charsExpr.Chars)
{
var last = _fsm.CreateState();
FsmTransitionCondition condition = new FsmTransitionCondition(ch, null, null, false);
_fsm.CreateTransition(to, last, condition);
to = last;
}
return(new FsmFragment(from, to));
}