X-Git-Url: https://git.distorted.org.uk/~mdw/sod/blobdiff_plain/65d7091b894b40e4249f0bdede2526ec8fa6e513..ec5cb3ca19e5ff70869dbe77ac3fcc008bc33e0f:/src/frontend.lisp

diff --git a/src/frontend.lisp b/src/frontend.lisp
index e293f29..68c8a96 100644
--- a/src/frontend.lisp
+++ b/src/frontend.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
@@ -25,14 +25,15 @@
 
 (cl:defpackage #:sod-frontend
   (:use #:common-lisp #:optparse #:sod #:sod-parser)
-  (:shadowing-import-from #:optparse "INT"))
+  (:shadowing-import-from #:optparse #:int))
 
 (cl:in-package #:sod-frontend)
 
 ;;;--------------------------------------------------------------------------
 ;;; Preparation for dumping.
 
-(make-builtin-module)
+(clear-the-decks)
+(exercise)
 
 ;;;--------------------------------------------------------------------------
 ;;; The main program.
@@ -168,6 +169,10 @@
 					     reason))
 			   nil)))))
 
+	      ;; If there are no output types then there's nothing to do.
+	      (unless output-reasons
+		(error "No output types given: nothing to do"))
+
 	      ;; If we're writing the builtin module then now seems like a
 	      ;; good time to do that.
 	      (when builtinsp