(comment) @comment

(string) @string

(number) @number

(break_statement) @keyword
(false) @keyword
(nil) @keyword
(true) @keyword

[
  "and"
  "do"
  "else"
  "elseif"
  "end"
  "for"
  "function"
  "goto"
  "if"
  "in"
  "local"
  "not"
  "or"
  "repeat"
  "return"
  "then"
  "until"
  "while"
] @keyword

