0.9.0.6:

[sbcl.git] / src / compiler / info-functions.lisp

diff --git a/src/compiler/info-functions.lisp b/src/compiler/info-functions.lisp
index 8d51a97..b63a4a5 100644 (file)
--- a/src/compiler/info-functions.lisp
+++ b/src/compiler/info-functions.lisp
@@ -134,10 +134,17 @@
     ;; (Note that the following test on INFO catches KEYWORDs as well as
     ;; explicitly DEFCONSTANT symbols.)
     (symbol (eq (info :variable :kind object) :constant))
-    (list (eq (car object) 'quote))
+    (list (and (eq (car object) 'quote)
+               (consp (cdr object))))
     (t t)))
 
-(declaim (ftype (function (symbol &optional (or null sb!c::lexenv))) sb!xc:macro-function))
+(defun constant-form-value (form)
+  (typecase form
+    (symbol (info :variable :constant-value form))
+    ((cons (eql quote) cons)
+     (second form))
+    (t form)))
+
 (defun sb!xc:macro-function (symbol &optional env)
   #!+sb-doc
   "If SYMBOL names a macro in ENV, returns the expansion function,
@@ -147,7 +154,7 @@
   (let* ((fenv (when env (sb!c::lexenv-funs env)))
         (local-def (cdr (assoc symbol fenv))))
     (cond (local-def
-          (if (and (consp local-def) (eq (car local-def) 'MACRO))
+          (if (and (consp local-def) (eq (car local-def) 'macro))
               (cdr local-def)
               nil))
          ((eq (info :function :kind symbol) :macro)
@@ -155,14 +162,16 @@
          (t
           nil))))
 
-;;; Note: Technically there could be an ENV optional argument to SETF
-;;; MACRO-FUNCTION, but since ANSI says that the consequences of
-;;; supplying that optional argument are undefined, we don't allow it.
-;;; (Thus our implementation of this unspecified behavior is to
-;;; complain that the wrong number of arguments was supplied. Since
-;;; the behavior is unspecified, this is conforming.:-)
-(defun (setf sb!xc:macro-function) (function symbol)
+(defun (setf sb!xc:macro-function) (function symbol &optional environment)
   (declare (symbol symbol) (type function function))
+  (when environment
+    ;; Note: Technically there could be an ENV optional argument to SETF
+    ;; MACRO-FUNCTION, but since ANSI says that the consequences of
+    ;; supplying a non-nil one are undefined, we don't allow it.
+    ;; (Thus our implementation of this unspecified behavior is to
+    ;; complain. SInce the behavior is unspecified, this is conforming.:-)
+    (error "Non-NIL environment argument in SETF of MACRO-FUNCTION ~S: ~S" 
+           symbol environment))
   (when (eq (info :function :kind symbol) :special-form)
     (error "~S names a special form." symbol))
   (setf (info :function :kind symbol) :macro)
@@ -202,8 +211,10 @@
     (error "can't SETF COMPILER-MACRO-FUNCTION when ENV is non-NIL"))
   (when (eq (info :function :kind name) :special-form)
     (error "~S names a special form." name))
-  (setf (info :function :compiler-macro-function name) function)
-  function)
+  (with-single-package-locked-error 
+      (:symbol name "setting the compiler-macro-function of ~A")
+    (setf (info :function :compiler-macro-function name) function)
+    function))
 \f
 ;;;; a subset of DOCUMENTATION functionality for bootstrapping
 
@@ -250,7 +261,7 @@
        (typecase x
         (structure-class (values (info :type :documentation (class-name x))))
         (t (and (typep x 'symbol) (values (info :type :documentation x))))))
-      (setf (info :setf :documentation x))
+      (setf (values (info :setf :documentation x)))
       ((t)
        (typecase x
         (function (%fun-doc x))