JsAstNode ParseStatementLevelConditionalComment(bool fSourceElement)
{
JsContext context = m_currentToken.Clone();
JsConditionalCompilationComment conditionalComment = new JsConditionalCompilationComment(context, this);
GetNextToken();
while(m_currentToken.Token != JsToken.ConditionalCommentEnd && m_currentToken.Token != JsToken.EndOfFile)
{
// if we get ANOTHER start token, it's superfluous and we should ignore it.
// otherwise parse another statement and keep going
if (m_currentToken.Token == JsToken.ConditionalCommentStart)
{
GetNextToken();
}
else
{
conditionalComment.Append(ParseStatement(fSourceElement));
}
}
GetNextToken();
// if the conditional comment is empty (for whatever reason), then
// we don't want to return anything -- we found nothing.
return conditionalComment.Statements.Count > 0 ? conditionalComment : null;
}