pragma method
Implementation
Parser<PragmaNode> pragma() =>
seq3(ref1(token, '<'), ref0(pragmaMessage), ref1(token, '>')).map3((
open,
msgInfo,
close,
) {
final (tokens, args) = msgInfo;
final result = PragmaNode()..surroundWith(open, close);
result.selectorToken.addAll(tokens);
result.arguments.addAll(args);
return result;
});