Facility for precompiled system.

diff --git a/asdf-bundle.lisp b/asdf-bundle.lisp
index 9918d96..9594a6d 100644 (file)
--- a/asdf-bundle.lisp
+++ b/asdf-bundle.lisp
@@ -498,6 +498,31 @@ For the latter case, we ought pick random suffix and atomically open it."
   (declare (ignorable o c))
   nil)
 
+(defclass precompiled-system (system)
+  ((fasl :initarg :fasl :reader %system-fasl)))
+
+(defgeneric system-fasl (system)
+  (:method ((system precompiled-system))
+    (let* ((f (%system-fasl system))
+           (p (etypecase f
+                ((or pathname string) f)
+                (function (funcall f))
+                (cons (eval f)))))
+      (pathname p))))
+
+(defmethod input-files ((o load-op) (s precompiled-system))
+  (declare (ignorable o))
+  (list (system-fasl s)))
+
+(defmethod perform ((o load-op) (s precompiled-system))
+  (declare (ignorable o))
+  (load (system-fasl s)))
+
+#| ;; Example use:
+(asdf:defsystem :precompiled-asdf-utils :class asdf::precompiled-system :fasl (asdf:apply-output-translations (asdf:system-relative-pathname :asdf-utils "asdf-utils.system.fasl")))
+(asdf:load-system :precompiled-asdf-utils)
+|#
+
 #+ecl
 (defmethod output-files ((o fasl-op) (c system))
   (declare (ignorable o c))
@@ -594,7 +619,8 @@ For the latter case, we ought pick random suffix and atomically open it."
 ;;; Final integration steps
 ;;;
 
-(export '(load-fasl-op #+ecl make-build #+mkcl bundle-system))
+(export '(load-fasl-op precompiled-system
+          #+ecl make-build #+mkcl bundle-system))
 
 #+(or ecl mkcl)
 (pushnew '("fasb" . si::load-binary) si:*load-hooks* :test 'equal :key 'car)