X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcode%2Feval.lisp;h=f09a9c3015facf235cd17e5879c3579511e31258;hb=72db452798256d266d5909bd330d9eb5b31c6f1e;hp=8e67686f8fb0c07537472e47c82b8074a50ce76e;hpb=25d4ea4f108159b9782f21212374a1631cfe9a56;p=sbcl.git

diff --git a/src/code/eval.lisp b/src/code/eval.lisp
index 8e67686..f09a9c3 100644
--- a/src/code/eval.lisp
+++ b/src/code/eval.lisp
@@ -225,6 +225,12 @@
                            (values sb!c:*lexenv* vars))
                          :eval))
                     (eval-locally `(locally ,@body) lexenv :vars vars))))
+               ((if)
+                (destructuring-bind (test then &optional else) (rest exp)
+                  (eval-in-lexenv (if (eval-in-lexenv test lexenv)
+                                      then
+                                      else)
+                                  lexenv)))
                (t
                 (if (and (symbolp name)
                          (eq (info :function :kind name) :function))