processSelectorGroup method
Implementation
SelectorGroup? processSelectorGroup() {
var selectors = <Selector>[];
tokenizer.inSelector = true;
do {
var selector = processSelector();
if (selector != null) {
selectors.add(selector);
}
} while (_maybeEat(TokenKind.COMMA));
tokenizer.inSelector = false;
if (selectors.isNotEmpty) {
return SelectorGroup(selectors);
}
return null;
}