public Tracker(ScriptSyntaxTreeElement tree)
{
this.tree = tree;
_evntEnum = tree.Statements.GetEnumerator();
//element trees are guarunteed to have at lest one element
//so we can sfly move next
_evntEnum.MoveNext();
}
public ScriptSyntaxTreeElement CreateAST(List <LexedToken> tokens)
{
var p = new ScriptSyntaxTreeElement();
//if its a empty tree - just exit
if (tokens.Count == 2 &&
tokens[0].TokenType == LexedTokenType.BOF &&
tokens[1].TokenType == LexedTokenType.EOF)
{
return(p);
}
var ParseState = new ParseProcessState()
{
Tokens = tokens,
CurrentIndex = -1,
State = StatementState.BOF
};
p.InitializeFromParseStream(ParseState);
return(p);
//split the current token into individual statements
//var statements = SplitTokensIntoStatements(tokens);
////if its a empty tree - just exit
//if(tokens.Count==2
// && tokens[0].TokenType == LexedTokenType.BOF
// && tokens[1].TokenType == LexedTokenType.EOF)
//{
// return p;
//}
//var ElList = new List<ElementBase>();
////run thru the individual statemnets
//foreach (var item in statements)
//{
// ElList.Clear();
// //this is the element that will be added to the tree
// //we will create this based ont he values we find in the stream and wrap /unwrap as needed based on what we find
// ElementBase CurrentElement = null;
// //we will keep track of the token index for validation
// var tokenindex = 0;
// foreach (var token in item)
// {
// tokenindex++;
// ElementBase tempElem = null;
// switch (token.TokenType)
// {
// case LexedTokenType.DASH:
// {
// tempElem = new NoCaptureSyntax();
// break;
// }
// case LexedTokenType.DELIMITEDTEXT:
// case LexedTokenType.TEXT:
// {
// if (tempElem != null)
// {
// throwParserException(token, "Unexpected Text");
// }
// if (token.TokenText == ".")
// {
// tempElem = new DotSelector();
// }
// else
// {
// tempElem = new SpecifiedEventNameSelector()
// {
// EventName = token.TokenText
// };
// }
// break;
// }
// case LexedTokenType.REGEX:
// {
// if (tempElem != null)
// {
// throwParserException(token, "Unexpected Regex");
// }
// tempElem = new RegexSelector()
// {
// MatchPattern = token.TokenText
// };
// break;
// }
// case LexedTokenType.EXCLAMATION:
// {
// tempElem = new NegatedSyntax();
// break;
// }
// case LexedTokenType.PLUS:
// case LexedTokenType.QUESTIONMARK:
// case LexedTokenType.STAR:
// {
// tempElem = new SymbolQuantifier()
// {
// QuantifierSymbol = token.TokenText[0]
// };
// break;
// }
// case LexedTokenType.STATEMENTEND:
// {
// //build the total element
// //order the element list by zorder
// var nlist = ElList.OrderByDescending(x => x.ZOrder);
// ElementBase parelem = null;
// CurrentElement = null;
// foreach (var elem in nlist)
// {
// if(CurrentElement == null)
// {
// CurrentElement = elem;
// parelem = elem;
// continue;
// }
// var elemC = parelem as ContainerElement;
// if (elemC == null)
// {
// throw new Exception("A selector cannot function as a container");
// }
// elemC.AddContainedElement(elem);
// parelem = elem;
// }
// p.AddElement(CurrentElement);
// tempElem = null;
// break;
// }
// default:
// break;
// }
// if(tempElem != null)
// {
// ElList.Add(tempElem);
// }
// }
//}
//return p;
}
public Runner(ScriptSyntaxTreeElement tree, IEnumerable <IChronologicalEvent> EventList)
{
this.tree = tree;
this.EventList = EventList;
}
