3 ;; JSCL is free software: you can redistribute it and/or
4 ;; modify it under the terms of the GNU General Public License as
5 ;; published by the Free Software Foundation, either version 3 of the
6 ;; License, or (at your option) any later version.
8 ;; JSCL is distributed in the hope that it will be useful, but
9 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
10 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 ;; General Public License for more details.
13 ;; You should have received a copy of the GNU General Public License
14 ;; along with JSCL. If not, see <http://www.gnu.org/licenses/>.
19 (defun lisp-to-js (x) (%lisp-to-js x))
20 (defun js-to-list (x) (%js-to-lisp x))
22 (defun ffi-intern-hook (symbol)
23 (when (eq (symbol-package symbol) *js-package*)
24 (let ((sym-name (symbol-name symbol))
26 ;; Generate a trampoline to call the JS function
27 ;; properly. This trampoline is very inefficient,
28 ;; but it still works. Ideas to optimize this are
29 ;; provide a special lambda keyword
30 ;; cl::&rest-vector to avoid list argument
31 ;; consing, as well as allow inline declarations.
33 (eval `(lambda (&rest ,args)
34 (let ((,args (list-to-vector (mapcar #'lisp-to-js ,args))))
35 (js-to-list (%js-call (%js-vref ,sym-name) ,args))))))
36 ;; Define it as a symbol macro to access to the
37 ;; Javascript variable literally.
38 (%define-symbol-macro symbol `(%js-vref ,(string symbol))))))
40 (setq *intern-hook* #'ffi-intern-hook)