1 files changed, 40 insertions, 0 deletions
diff --git a/com/clisp/savesys.lisp b/com/clisp/savesys.lisp
new file mode 100644
index 0000000..7010b03
--- /dev/null
+++ b/com/clisp/savesys.lisp
@@ -0,0 +1,40 @@
+(make-package "MUMBLE-IMPLEMENTATION")
+(load "cl-support/cl-init")
+
+;;; Set various internal switches to appropriate values for running
+;;; Haskell code.
+(proclaim '(optimize (speed 3) (safety 0) (compilation-speed 0)))
+(setf *compile-verbose* nil)
+(setf *load-verbose* nil)
+(in-package :mumble-user)
+(setf *printers* '(compiling loading))
+(setf *optimizers* '())
+(setf *compile-interface* '#f)
+
+;;; Load the prelude.
+(compile/load *prelude-unit-filename*)
+
+;;; Set up the saved system.
+(define *saved-readtable* (lisp:copy-readtable lisp:*readtable*))
+
+(define (haskell-toplevel)
+  ;; Saved system always starts up in USER package.
+  (setf lisp:*package* (lisp:find-package :mumble-user))
+  ;; Saved system seems to forget about our readtable hacks.
+  (setf lisp:*readtable* *saved-readtable*)
+  ;; Set printer variables w/implementation-defined initial values
+  ;; to known values
+  (setf *print-pretty* '#f)
+  (load-init-files)
+  (do () ('#f)
+    (cl:with-simple-restart (restart-haskell "Restart Haskell.")
+      (heval))))
+
+(define (restart-haskell)
+  (cl:invoke-restart 'restart-haskell))
+
+(ext:saveinitmem "bin/clisp-haskell"
+                 :executable t
+                 :quiet t
+                 :init-function 'haskell-toplevel)
+(ext:exit)