internal bool TryGetTokenization(int line, out LineTokenization tokenization)
{
if (line < 0)
{
throw new ArgumentOutOfRangeException("line", "Must be 0 or greater");
}
Utilities.CheckNotNull(_map);
if (_map[line].Tokens != null)
{
tokenization = _map[line];
return(true);
}
else
{
tokenization = default(LineTokenization);
return(false);
}
}
/// <summary>
/// Looks for the first cached tokenization preceding the given line.
/// Returns the line we have a tokenization for or minLine - 1 if there is none.
/// </summary>
internal int IndexOfPreviousTokenization(int line, int minLine, out LineTokenization tokenization)
{
if (line < 0)
{
throw new ArgumentOutOfRangeException("line", "Must be 0 or greater");
}
Utilities.CheckNotNull(_map);
line--;
while (line >= minLine)
{
if (_map[line].Tokens != null)
{
tokenization = _map[line];
return(line);
}
line--;
}
tokenization = default(LineTokenization);
return(minLine - 1);
}
