private TexlParser(Token[] tokens, Flags flags)
{
Contracts.AssertValue(tokens);
_depth = 0;
_curs = new TokenCursor(tokens);
_flags = flags;
}
public TokenCursor Split()
{
var split = new TokenCursor(_tokens);
split._currentTokenIndex = _currentTokenIndex;
split._currentToken = _currentToken;
split._currentTokenId = _currentTokenId;
return(split);
}
private ITexlSource ParseTrivia(TokenCursor cursor = null)
{
cursor = cursor ?? _curs;
var sources = new List <ITexlSource>();
if (_extraTrivia != null)
{
sources.Add(_extraTrivia);
_extraTrivia = null;
}
bool triviaFound;
do
{
triviaFound = false;
var tokens = cursor.SkipWhitespace();
if (tokens.Any())
{
sources.Add(new WhitespaceSource(tokens));
triviaFound = true;
}
if (cursor.TidCur == TokKind.Comment)
{
var comment = cursor.TokMove().As <CommentToken>();
sources.Add(new TokenSource(comment));
if (comment.IsOpenBlock)
{
PostError(comment, TexlStrings.ErrMissingEndOfBlockComment);
}
_comments.Add(comment);
triviaFound = true;
}
} while (triviaFound);
if (sources.Count() == 1)
{
return(sources.Single());
}
else
{
return(new SpreadSource(sources));
}
}
