public override void ConsumeNode(object t)
{
int ID = adaptor.GetUniqueID(t);
string text = adaptor.GetText(t);
int type = adaptor.GetType(t);
Console.Out.WriteLine("consumeNode " + ID + " " + text + " " + type);
}
public virtual object LT(int i)
{
object node = input.LT(i);
int ID = adaptor.GetUniqueID(node);
string text = adaptor.GetText(node);
int type = adaptor.GetType(node);
dbg.LT(i, node);
return(node);
}
public override void LT(int i, object t)
{
int ID = adaptor.GetUniqueID(t);
string text = adaptor.GetText(t);
int type = adaptor.GetType(t);
StringBuilder buf = new StringBuilder(50);
buf.Append("LN\t"); // lookahead node; distinguish from LT in protocol
buf.Append(i);
SerializeNode(buf, t);
Transmit(buf.ToString());
}
protected void ExtractInformationFromTreeNodeStream(IIntStream input)
{
ITreeNodeStream nodes = (ITreeNodeStream)input;
this.node = nodes.LT(1);
ITreeAdaptor adaptor = nodes.TreeAdaptor;
IToken payload = adaptor.GetToken(node);
if (payload != null)
{
this.token = payload;
if (payload.Line <= 0)
{
// imaginary node; no line/pos info; scan backwards
int i = -1;
object priorNode = nodes.LT(i);
while (priorNode != null)
{
IToken priorPayload = adaptor.GetToken(priorNode);
if ((priorPayload != null) && (priorPayload.Line > 0))
{
// we found the most recent real line / pos info
this.line = priorPayload.Line;
this.charPositionInLine = priorPayload.CharPositionInLine;
this.approximateLineInfo = true;
break;
}
--i;
priorNode = nodes.LT(i);
}
}
else
{
// node created from real token
this.line = payload.Line;
this.charPositionInLine = payload.CharPositionInLine;
}
}
else if (this.node is ITree)
{
this.line = ((ITree)this.node).Line;
this.charPositionInLine = ((ITree)this.node).CharPositionInLine;
if (this.node is CommonTree)
{
this.token = ((CommonTree)this.node).Token;
}
}
else
{
int type = adaptor.GetType(this.node);
string text = adaptor.GetText(this.node);
this.token = new CommonToken(type, text);
}
}
public virtual string GetText(object t)
{
return(adaptor.GetText(t));
}
