X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/sod/blobdiff_plain/a9cffac12f45d917ae632f4037991d7ba66091fb..c32aa709ec47cee02e46fc9e74e58eb6a9b430a6:/src/final.lisp?ds=sidebyside

diff --git a/src/final.lisp b/src/final.lisp
index dd8834f..7d4468e 100644
--- a/src/final.lisp
+++ b/src/final.lisp
@@ -7,7 +7,7 @@
 
 ;;;----- Licensing notice ---------------------------------------------------
 ;;;
-;;; This file is part of the Sensble Object Design, an object system for C.
+;;; This file is part of the Sensible Object Design, an object system for C.
 ;;;
 ;;; SOD is free software; you can redistribute it and/or modify
 ;;; it under the terms of the GNU General Public License as published by
@@ -25,6 +25,13 @@
 
 (cl:in-package #:sod)
 
+;;;--------------------------------------------------------------------------
+;;; Miscellaneous details.
+
+(export '*sod-version*)
+(defparameter *sod-version* sod-sysdef:*version*
+  "The version of the SOD translator system, as a string.")
+
 ;;;--------------------------------------------------------------------------
 ;;; Debugging utilities.
 
@@ -35,7 +42,6 @@ (export 'test-module)
 (defun test-module (path reason)
   "Reset the translator's state, read a module from PATH and output it with
    REASON, returning the result as a string."
-  (unless *builtin-module* (make-builtin-module))
   (clear-the-decks)
   (setf *module-map* (make-hash-table :test #'equal))
   (with-open-file (out *debugout-pathname*
@@ -44,4 +50,28 @@ (defun test-module (path reason)
 		   :if-does-not-exist :create)
     (output-module (read-module path) reason out)))
 
+;;;--------------------------------------------------------------------------
+;;; Calisthenics.
+
+(export 'exercise)
+(defun exercise ()
+  "Exercise the pieces of the metaobject protocol.
+
+   In some Lisps, the compiler is run the first time methods are called, to
+   do fancy just-in-time optimization things.  This is great, only the
+   program doesn't actually run for very long and a lot of that work is
+   wasted because we're going to have to do it again next time the program
+   starts.  Only, if we exercise the various methods, or at least a large
+   fraction of them, before we dump an image, then everything will be fast.
+
+   That's the theory anyway.  Call this function before you dump an image and
+   see what happens."
+
+  (clear-the-decks)
+  (dolist (reason '(:h :c))
+    (with-output-to-string (bitbucket)
+      (output-module *builtin-module* reason bitbucket)))
+
+  (clear-the-decks))
+
 ;;;----- That's all, folks --------------------------------------------------