[Guile-commits] 20/36: defsubst

[Christopher Allan Webber]

cwebber pushed a commit to branch wip-elisp-rebased
in repository guile.

commit b2694bce83c697f732a481e252f3dbbcaf53a678
Author: Robin Templeton <robin@terpri.org>
AuthorDate: Mon Aug 4 23:11:43 2014 -0400

    defsubst
    
    (Best-ability ChangeLog annotation added by Christopher Allan Webber.)
    
    * module/language/elisp/boot.el (defsubst): New macro.
---
 module/language/elisp/boot.el | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/module/language/elisp/boot.el b/module/language/elisp/boot.el
index fe9af29..fae86a2 100644
--- a/module/language/elisp/boot.el
+++ b/module/language/elisp/boot.el
@@ -53,6 +53,19 @@
        (%funcall (@ (language elisp runtime) symbol-plist) ',name)))
      ',name))
 
+(defmacro defsubst (name args &rest body)
+  `(progn
+     (defun ,name ,args ,@body)
+     (eval-and-compile
+       (%define-compiler-macro ,name (form)
+         (%funcall (@ (guile) cons*)
+                   '%funcall
+                   (%funcall
+                    (@ (guile) list)
+                    'function
+                    (%funcall (@ (guile) cons*) 'lambda ',args ',body))
+                   (%funcall (@ (guile) cdr) form))))))
+
 (eval-and-compile
   (defun eval (form)
     (%funcall (@ (language elisp runtime) eval-elisp) form)))