public TemporaryTerminal(ParserNode node, Location loc, TemporaryGroup parent, Location from, Location to, string content)
: base(node, loc, parent)
{
this.From = from;
this.To = to;
this.Content = content;
}
TemporaryGroup ReconstructTree()
{
TemporaryGroup g = this;
while (g.Parent != null)
{
g = g.ExitChild();
}
return(g);
}
//private ParsedNode OldRecreateChilds()
//{
// ParsedNode node = null;
// for (var n = this.Child; n != null; n = n.Prev)
// node = n.Recreate(node);
// var loc = node.Location;
// var prepends = new List<ParsedNode>();
// foreach (ParsedNode item in this.OldGroup.Childs)
// {
// if (item.Location < loc && item.Location < this.ReparsingFrom)
// prepends.Add(item);
// else
// break;
// }
// for (int i = prepends.Count - 1; i >= 0; i--)
// node = prepends[i].UpdateNext(node);
// return node;
//}
protected override bool TryReconstructImpl(ParserNode node, Location loc, out TemporaryGroup reconstructedRoot)
{
if (loc >= this.ReparsingTo) // reuse right
{
var it = this.OldGroup.Childs.GetEnumerator();
while (it.MoveNext())
{
var oldChild = it.Current;
if (oldChild.Location == loc && (oldChild as ParsingTreeNode).GrammarNode == node)
{
// reconstruct all the rest of the tree
reconstructedRoot = this.ReconstructTree();
return(true);
}
}
}
reconstructedRoot = null;
return(false);
}
public TemporaryReparsingGroup(IParsingTreeNode oldNode, ParserNode node, Location fromLoc, Location toLoc, TemporaryGroup parent, TemporaryChildNode child)
: base(node, oldNode.Location, parent, child)
{
this.OldGroup = oldNode as IParsingTreeGroup;
this.ReparsingFrom = fromLoc;
this.ReparsingTo = toLoc;
if (this.OldGroup == null)
{
throw new ReparsingFailException();
}
}
protected virtual bool TryReconstructImpl(ParserNode node, Location loc, out TemporaryGroup reconstructedRoot)
{
reconstructedRoot = null;
return(false);
}
public bool TryReconstruct(ParserNode nextNode, Location location, out TemporaryGroup reconstructedTree)
{
return(this.TryReconstructImpl(nextNode, location, out reconstructedTree));
}
public TemporaryGroup(ParserNode node, Location loc, TemporaryGroup parent, TemporaryChildNode child)
: base(node, loc, parent)
{
this.Child = child;
}
public TemporaryNode(ParserNode node, Location loc, TemporaryGroup parent)
: base(node, loc)
{
this.Parent = parent;
}
