7 - symbol.operator: "[.:;,+*|=!?\\%]|<|>|/|-|&"
8 - statement: "(class|import|let|var|struct|enum|func|if|else|switch|case|default|for|in|internal|external|unowned|private|public|throws)\\ "
9 - statement: "(prefix|postfix|operator|extension|lazy|get|set|self|willSet|didSet|override|super|convenience|weak|strong|mutating|return|guard)\\ "
12 - constant.number: "([0-9]+)"
13 - type: "\\ ((U)?Int(8|16|32|64))"
14 - constant.bool: "(true|false|nil)"
15 - type: "\\ (Double|String|Float|Boolean|Dictionary|Array|Int)"
16 - type: "\\ (AnyObject)"
17 - constant.string: "\"[^\"]*\""