public override void VisitLeave(ZeroOrMore expression)
{
IsMatchPredicate local = _matchStack.Pop();
_matchStack.Push(
delegate(IInputIterator iterator)
{
Int32 savePosition = iterator.Index;
while (local(iterator))
{
if (savePosition == iterator.Index)
{
//Exception ex = new InfiniteLoopDetectedException();
//ex.Data.Add("Iterator.Index", iterator.Index);
//var rulewriter = new WriteRuleVisitor();
//expression.Accept(rulewriter);
//ex.Data.Add("Expression", rulewriter.GrammarOutput);
//throw ex;
break;
}
savePosition = iterator.Index;
}
iterator.Index = savePosition;
return true;
}
);
}
public override void VisitEnter(ZeroOrMore expression)
{
}
public override void VisitExecute(ZeroOrMore expression)
{
}
public override void VisitLeave(ZeroOrMore expression)
{
terminal.Peek().Append(")*");
}
public override void VisitEnter(ZeroOrMore expression)
{
terminal.Peek().Append("(");
}
public abstract void VisitExecute(ZeroOrMore expression);
public abstract void VisitEnter(ZeroOrMore expression);
public abstract void VisitLeave(ZeroOrMore expression);