internal Recogniser(Grammar grammar, ErrorHandler _errorHandler)
{
finalItemRule = new Rule("alpha", new List <Symbol>()
{
grammar.GetStartSymbol()
});
errorHandler = _errorHandler;
Grammar = grammar;
}
internal List <TreeNode> Parse(List <EarleySet> recogniserSets)
{
Symbol startSymbol = _grammar.GetStartSymbol();
List <TreeNode> forest = new List <TreeNode>();
recogniserSets[recogniserSets.Count - 1].GetEarleyItemList().ForEach(item => {
if (item.GetRule().GetLeftHandSideOfRule().Equals(startSymbol) && item.IsCompleted() && item.GetOrignPosition() == 0)
{
TreeNode root = new TreeNode(startSymbol, 0, recogniserSets.Count - 1);
BuildTree(root, item);
forest.Add(root);
}
});
return(forest);
}