movie-night-chat/macros.rkt

#lang racket
(provide (all-defined-out))
(require (for-syntax syntax/parse racket/list)
         syntax/parse/define)

(define-syntax (defconst-iota stx)
  (syntax-parse stx
    [(_ i:id ...)
     (let* ([ids (syntax->list #'(i ...))]
            [cmds (for/list ([i ids] [p (range 0 (length ids))])
                    `(define ,i ,p))])
       (datum->syntax stx `(begin ,@cmds))
       ;;#'(~@ . cmds)
       )]))

;; Data types for communicating with the client
(defconst-iota
  CdMessage ;; a normal message from the client meant to be broadcast
  CdUsers   ;; get a list of users
  CdPing    ;; ping the server to keep the connection alive
  CdAuth    ;; get the auth levels of the user
  CdColor   ;; get the users color
  CdEmote   ;; get a list of emotes
  CdJoin    ;; a message saying the client wants to join
  CdNotify  ;; a notify message for the client to show
  )

(defconst-iota
  DTInvalid
  DTChat    ;; chat message
  DTCommand ;; non-chat function
  DTEvent   ;; join/leave/kick/ban events
  DTClient  ;; a message coming from the client
  DTHidden  ;; a message that is purely instruction and data, not shown to user
)

(defconst-iota
  MsgChat             ;; standard chat
  MsgAction           ;; /me command
  MsgServer           ;; server message
  MsgError            ;; something went wrong
  MsgNotice           ;; Like MsgServer, but for mods and admins only.
  MsgCommandResponse  ;; The response from command
  MsgCommandError     ;; The error response from command
  )

(defconst-iota
  EvJoin
  EvLeave
  EvKick
  EvBan
  EvServerMessage
  EvNameChange
  EvNameChangeForced
)