0.7.12.39:

[sbcl.git] / src / compiler / typetran.lisp

diff --git a/src/compiler/typetran.lisp b/src/compiler/typetran.lisp
index a63f23a..acaac05 100644 (file)
--- a/src/compiler/typetran.lisp
+++ b/src/compiler/typetran.lisp
@@ -276,6 +276,11 @@
                                            `(typep ,n-obj ',x))
                                          (rest spec))))))))))
 
+(defun source-transform-negation-typep (object type)
+  (declare (type negation-type type))
+  (let ((spec (type-specifier (negation-type-type type))))
+    `(not (typep ,object ',spec))))
+
 ;;; Do source transformation for TYPEP of a known union type. If a
 ;;; union type contains LIST, then we pull that out and make it into a
 ;;; single LISTP call. Note that if SYMBOL is in the union, then LIST
@@ -505,6 +510,8 @@
            (typecase type
              (hairy-type
               (source-transform-hairy-typep object type))
+             (negation-type
+              (source-transform-negation-typep object type))
              (union-type
               (source-transform-union-typep object type))
              (intersection-type