/// <summary>TODO: not sure this is what we want for trees. </summary>
public virtual string ToString(object start, object stop)
{
if (start == null)
{
return(null);
}
// if we have the token stream, use that to dump text in order
if (tokens != null)
{
// don't trust stop node as it's often an UP node etc...
// walk backwards until you find a non-UP, non-DOWN node
// and ask for it's token index.
int beginTokenIndex = adaptor.GetTokenStartIndex(start);
int endTokenIndex = adaptor.GetTokenStopIndex(stop);
if ((stop != null) && (adaptor.GetNodeType(stop) == Token.UP))
{
endTokenIndex = adaptor.GetTokenStopIndex(start);
}
else
{
endTokenIndex = Count - 1;
}
return(tokens.ToString(beginTokenIndex, endTokenIndex));
}
StringBuilder buf = new StringBuilder();
ToStringWork(start, stop, buf);
return(buf.ToString());
}
public virtual string ToString(object start, object stop)
{
Console.Out.WriteLine("ToString");
if ((start == null) || (stop == null))
{
return(null);
}
if (p == -1)
{
FillBuffer();
}
//Console.Out.WriteLine("stop: " + stop);
if (start is CommonTree)
{
Console.Out.Write("ToString: " + ((CommonTree)start).Token + ", ");
}
else
{
Console.Out.WriteLine(start);
}
if (stop is CommonTree)
{
Console.Out.WriteLine(((CommonTree)stop).Token);
}
else
{
Console.Out.WriteLine(stop);
}
// if we have the token stream, use that to dump text in order
if (tokens != null)
{
int beginTokenIndex = adaptor.GetTokenStartIndex(start);
int endTokenIndex = adaptor.GetTokenStopIndex(stop);
// if it's a tree, use start/stop index from start node
// else use token range from start/stop nodes
if (adaptor.GetNodeType(stop) == Token.UP)
{
endTokenIndex = adaptor.GetTokenStopIndex(start);
}
else if (adaptor.GetNodeType(stop) == Token.EOF)
{
endTokenIndex = Count - 2; // don't use EOF
}
return(tokens.ToString(beginTokenIndex, endTokenIndex));
}
// walk nodes looking for start
object t = null;
int i = 0;
for (; i < nodes.Count; i++)
{
t = nodes[i];
if (t == start)
{
break;
}
}
// now walk until we see stop, filling string buffer with text
StringBuilder buf = new StringBuilder();
t = nodes[i];
string text;
while (t != stop)
{
text = adaptor.GetNodeText(t);
if (text == null)
{
text = " " + adaptor.GetNodeType(t);
}
buf.Append(text);
i++;
t = nodes[i];
}
// include stop node too
text = adaptor.GetNodeText(stop);
if (text == null)
{
text = " " + adaptor.GetNodeType(stop);
}
buf.Append(text);
return(buf.ToString());
}