class SyntaxTree::ArrayLiteral

def qwords?
  contents.parts.all? do |part|
    case part
    when StringLiteral
      part.comments.empty? && part.parts.length == 1 &&
        part.parts.first.is_a?(TStringContent) &&
        !part.parts.first.value.match?(/[\s\[\]\\]/)
    when CHAR
      !part.value.match?(/[\[\]\\]/)
    else
      false
    end
  end
end