filetype: ruby

detect: 
    filename: "\\.(rb|rake|gemspec)$|^(Gemfile|config.ru|Rakefile|Capfile|Vagrantfile|Guardfile|Appfile|Fastfile|Pluginfile|Podfile)$"
    header: "^#!.*/(env +)?ruby( |$)"

rules:
    - comment.bright:
        start: "##"
        end: "$"
        rules:
            - todo: "(XXX|TODO|FIXME|BUG|\\?\\?\\?)"
    - comment:
        start: "#"
        end: "$"
        rules:
            - todo: "(XXX|TODO|FIXME|BUG|\\?\\?\\?)"

    - statement: "\\b(BEGIN|END|alias|and|begin|break|case|class|def|defined\\?|do|else|elsif|end|ensure|for|if|in|module|next|nil|not|or|private|protected|public|redo|rescue|retry|return|self|super|then|undef|unless|until|when|while|yield)\\b"
    - constant: "(\\$|@|@@)?\\b[A-Z]+[0-9A-Z_a-z]*"
    - constant.number: "(?i)\\b0x[0-9a-f][0-9a-f_]*\\b"
    - constant.number: "(?i)\\b0b[01][01_]*\\b"
    - constant.number: "(?i)\\b[0-9][0-9_]*(['.'][0-9_]+)?(e[\\-]?[0-9_]+)?\\b"
    # Ruby "Symbols"
    - constant: "(i?)([ 	]|^):[0-9A-Z_]+\\b"
    - constant: "\\b(__FILE__|__LINE__)\\b"
    - constant: "/([^/]|(\\\\/))*/[iomx]*|%r\\{([^}]|(\\\\}))*\\}[iomx]*"

    - constant.string:
        start: "'"
        end: "'"
        skip: "\\\\."
        rules: []

    - constant.string:
        start: "\""
        end: "\""
        skip: "\\\\."
        rules:
            - symbol.brackets:
                start: "#\\{"
                end: "\\}"
                rules:
                    - default: ".*"

    - constant.string.exec:
        start: "`"
        end: "`"
        skip: "\\\\."
        rules:
            - symbol.brackets:
                start: "#\\{"
                end: "\\}"
                rules:
                    - default: ".*"

    - constant.string: "%[QW]?\\{[^}]*\\}|%[QW]?\\([^)]*\\)|%[QW]?<[^>]*>|%[QW]?\\[[^]]*\\]|%[QW]?\\$[^$]*\\$|%[QW]?\\^[^^]*\\^|%[QW]?![^!]*!"
    - constant.string: "%[qw]\\{[^}]*\\}|%[qw]\\([^)]*\\)|%[qw]<[^>]*>|%[qw]\\[[^]]*\\]|%[qw]\\$[^$]*\\$|%[qw]\\^[^^]*\\^|%[qw]![^!]*!"
    - constant.string.exec: "%[x]\\{[^}]*\\}|%[x]\\([^)]*\\)|%[x]<[^>]*>|%[x]\\[[^]]*\\]|%[x]\\$[^$]*\\$|%[x]\\^[^^]*\\^|%[x]![^!]*!"
    - constant.bool: "\\b(true|false|nil|TRUE|FALSE|NIL)\\b"
    - symbol.operator: "[-+/*=<>!~%&|^]|\\b:"
    - symbol.brackets: "([(){}]|\\[|\\])"
    - constant.macro:
        start: "<<-?'?EOT'?"
        end: "^EOT"
        rules: []

    - preproc.shebang: "^#!.+?( |$)"