autohotkey top-level property Null safety

Mode autohotkey
final

Implementation

final autohotkey = Mode(
    refs: {
      '~contains~0': Mode(begin: "`[\\s\\S]"),
    },
    case_insensitive: true,
    aliases: ["ahk"],
    keywords: {
      "keyword":
          "Break Continue Critical Exit ExitApp Gosub Goto New OnExit Pause return SetBatchLines SetTimer Suspend Thread Throw Until ahk_id ahk_class ahk_pid ahk_exe ahk_group",
      "literal": "true false NOT AND OR",
      "built_in": "ComSpec Clipboard ClipboardAll ErrorLevel"
    },
    contains: [
      Mode(ref: '~contains~0'),
      Mode(
          className: "string",
          begin: "\"",
          end: "\"",
          illegal: "\\n",
          contains: [Mode(ref: '~contains~0')]),
      Mode(
          className: "comment",
          begin: ";",
          end: "\$",
          contains: [
            PHRASAL_WORDS_MODE,
            Mode(
                className: "doctag",
                begin: "(?:TODO|FIXME|NOTE|BUG|XXX):",
                relevance: 0)
          ],
          relevance: 0),
      C_BLOCK_COMMENT_MODE,
      Mode(className: "number", begin: "\\b\\d+(\\.\\d+)?", relevance: 0),
      Mode(className: "variable", begin: "%[a-zA-Z0-9#_\$@]+%"),
      Mode(className: "built_in", begin: "^\\s*\\w+\\s*(,|%)"),
      Mode(className: "title", variants: [
        Mode(begin: "^[^\\n\";]+::(?!=)"),
        Mode(begin: "^[^\\n\";]+:(?!=)", relevance: 0)
      ]),
      Mode(className: "meta", begin: "^\\s*#\\w+", end: "\$", relevance: 0),
      Mode(className: "built_in", begin: "A_[a-zA-Z0-9]+"),
      Mode(begin: ",\\s*,")
    ]);