runtime/syntax/crystal.yaml

   1 filetype: crystal
   2
   3 detect:
   4     filename: "\\.cr$"
   5
   6 rules:
   7     # Asciibetical list of reserved words
   8     - statement: "\\b(BEGIN|END|abstract|alias|and|begin|break|case|class|def|defined\\?|do|else|elsif|end|ensure|enum|false|for|fun|if|in|include|lib|loop|macro|module|next|nil|not|of|or|pointerof|private|protected|raise|redo|require|rescue|retry|return|self|sizeof|spawn|struct|super|then|true|type|undef|union|uninitialized|unless|until|when|while|yield)\\b"
   9       # Constants
  10     - constant: "(\\$|@|@@)?\\b[A-Z]+[0-9A-Z_a-z]*"
  11     - constant.number: "\\b[0-9]+\\b"
  12       # Crystal "symbols"
  13     - constant:  "([    ]|^):[0-9A-Z_]+\\b"
  14       # Some unique things we want to stand out
  15     - constant: "\\b(__FILE__|__LINE__)\\b"
  16       # Regular expressions
  17     - constant: "/([^/]|(\\\\/))*/[iomx]*|%r\\{([^}]|(\\\\}))*\\}[iomx]*"
  18
  19       # Shell command expansion is in `backticks` or like %x{this}.  These are
  20       # "double-quotish" (to use a perlism).
  21     - constant.string: "`[^`]*`|%x\\{[^}]*\\}"
  22
  23     - constant.string:
  24         start: "`"
  25         end: "`"
  26         rules: []
  27
  28     - constant.string:
  29         start: "%x\\{"
  30         end: "\\}"
  31         rules: []
  32
  33     - constant.string:
  34         start: "\""
  35         end: "\""
  36         skip: "\\\\."
  37         rules:
  38             - constant.specialChar: "\\\\."
  39             - symbol.brackets:
  40                 start: "#\\{"
  41                 end: "\\}"
  42                 rules:
  43                     - default: ".*"
  44
  45     - constant.string:
  46         start: "'"
  47         end: "'"
  48         skip: "\\\\."
  49         rules:
  50             - constant.specialChar: "\\\\."
  51
  52     - comment:
  53         start: "#"
  54         end: "$"
  55         rules:
  56             - todo: "(TODO|XXX|FIXME):?"
  57
  58     - comment.bright:
  59         start: "##"
  60         end: "$"
  61         rules:
  62             - todo: "(TODO|XXX|FIXME):?"
  63
  64     - constant:
  65         start: "<<-?'?EOT'?"
  66         end: "^EOT"
  67         rules: []
  68