X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcompiler%2Ftarget-disassem.lisp;h=01fd03bd5219678cb36d9218a5b7a2d2e52809b5;hb=673234cb910923d41badca51b383e3188f375691;hp=9bcfd33f8e438ea59c0a183fe400ec7b9d2e274e;hpb=d604a358d8e5eb5587989e0a4f1d31dbe6ac5ffe;p=sbcl.git

diff --git a/src/compiler/target-disassem.lisp b/src/compiler/target-disassem.lisp
index 9bcfd33..01fd03b 100644
--- a/src/compiler/target-disassem.lisp
+++ b/src/compiler/target-disassem.lisp
@@ -1190,10 +1190,9 @@
       (setf (dstate-output-state dstate)
             :block-boundary))))
 
-;;; Add hooks to track to track the source code in SEGMENT during
-;;; disassembly. SFCACHE can be either NIL or it can be a
-;;; SOURCE-FORM-CACHE structure, in which case it is used to cache
-;;; forms from files.
+;;; Add hooks to track the source code in SEGMENT during disassembly.
+;;; SFCACHE can be either NIL or it can be a SOURCE-FORM-CACHE
+;;; structure, in which case it is used to cache forms from files.
 (defun add-source-tracking-hooks (segment debug-fun &optional sfcache)
   (declare (type segment segment)
            (type (or null sb!di:debug-fun) debug-fun)
@@ -1495,7 +1494,7 @@
       (error "can't compile a lexical closure"))
     (compile nil lambda)))
 
-(defun compiled-fun-or-lose (thing &optional (name thing))
+(defun valid-extended-function-designator-for-disassemble-p (thing)
   (cond ((legal-fun-name-p thing)
          (compiled-fun-or-lose (fdefinition thing) thing))
         ((functionp thing)
@@ -1503,8 +1502,17 @@
         ((and (listp thing)
               (eq (car thing) 'lambda))
          (compile nil thing))
-        (t
-         (error "can't make a compiled function from ~S" name))))
+        (t nil)))
+
+(defun compiled-fun-or-lose (thing &optional (name thing))
+  (let ((fun (valid-extended-function-designator-for-disassemble-p thing)))
+    (if fun
+        fun
+        (error 'simple-type-error
+               :datum thing
+               :expected-type '(satisfies valid-extended-function-designator-for-disassemble-p)
+               :format-control "can't make a compiled function from ~S"
+               :format-arguments (list name)))))
 
 (defun disassemble (object &key
                            (stream *standard-output*)