src/elisp.lisp

   1 (cl:defpackage "ELISP"
   2   (:nicknames "EL")
   3   (:use "CL")
   4   (:shadow cl:if cl:defun)
   5   (:export #:if #:defun))
   6
   7 (in-package "ELISP")
   8
   9 (defmacro if (test pass &rest else)
  10   "Elisp version of IF."
  11   `(cl:if ,test
  12           ,pass
  13           (progn
  14             ,@else)))
  15
  16
  17 (cl:defun parse-interactive (thing)
  18   (error "unimplemented parse-interactive"))
  19
  20 (defmacro defun (name lambda-list &body body)
  21   "Parse an elisp style defun and convert it to a cl defun or lice defcommand."
  22   (let ((doc (when (stringp (car body))
  23                (pop body)))
  24         (decls (loop while (eq (caar body) 'declare)
  25                   collect (pop body)))
  26         (interactive (when (and (listp (car body))
  27                                 (eq (caar body) 'interactive))
  28                        (pop body))))
  29     (if interactive
  30         `(defcommand ,name (,lambda-list
  31                             ,@(parse-interactive (cdr interactive)))
  32            ,@(append (list doc) decls body))
  33         `(cl:defun ,name ,@(append (list doc) decls body)))))