filetype: crystal

detect: 
    filename: "\\.cr$|Gemfile|config.ru|Rakefile|Capfile|Vagrantfile"
    header: "^#!.*/(env +)?crystal( |$)"

rules:
    - statement: "\\b(BEGIN|END|abstract|alias|and|begin|break|case|class|def|defined\\?|do|else|elsif|end|ensure|enum|false|for|fun|if|in|include|lib|loop|macro|module|next|nil|not|of|or|pointerof|private|protected|raise|redo|require|rescue|retry|return|self|sizeof|spawn|struct|super|then|true|type|undef|union|uninitialized|unless|until|when|while|yield)\\b"
    - constant: "(\\$|@|@@)?\\b[A-Z]+[0-9A-Z_a-z]*"
    - constant.number: "\\b[0-9]+\\b"
    - constant: "([ 	]|^):[0-9A-Z_]+\\b"
    - constant: "\\b(__FILE__|__LINE__)\\b"
    - constant: "/([^/]|(\\\\/))*/[iomx]*|%r\\{([^}]|(\\\\}))*\\}[iomx]*"
    - constant.string: "`[^`]*`|%x\\{[^}]*\\}"
    - constant.string: "\"([^\"]|(\\\\\"))*\"|%[QW]?\\{[^}]*\\}|%[QW]?\\([^)]*\\)|%[QW]?<[^>]*>|%[QW]?\\[[^]]*\\]|%[QW]?\\$[^$]*\\$|%[QW]?\\^[^^]*\\^|%[QW]?![^!]*!"
    - special: "#\\{[^}]*\\}"
    - constant.string.char: "'([^']|(\\\\'))*'|%[qw]\\{[^}]*\\}|%[qw]\\([^)]*\\)|%[qw]<[^>]*>|%[qw]\\[[^]]*\\]|%[qw]\\$[^$]*\\$|%[qw]\\^[^^]*\\^|%[qw]![^!]*!"
    - comment: "#[^{].*$|#$"
    - comment.bright: "##[^{].*$|##$"
    - constant:
        start: "<<-?'?EOT'?"
        end: "^EOT"
        rules: []

    - todo: "(XXX|TODO|FIXME|\\?\\?\\?)"