}//method
#endregion
#region VS Integration methods
//Use this method for VS integration; VS language package requires scanner that returns tokens one-by-one.
// Start and End positions required by this scanner may be derived from Token :
// start=token.Location.Position; end=start + token.Length;
public Token VsReadToken(ref int state)
{
Context.VsLineScanState.Value = state;
if (Context.SourceStream.EOF())
{
return(null);
}
if (state == 0)
{
NextToken();
}
else
{
Terminal term = Data.MultilineTerminals[Context.VsLineScanState.TerminalIndex - 1];
Context.CurrentToken = term.TryMatch(Context, Context.SourceStream);
}
//set state value from context
state = Context.VsLineScanState.Value;
if (Context.CurrentToken != null && Context.CurrentToken.Terminal == _grammar.Eof)
{
return(null);
}
return(Context.CurrentToken);
}
