0.pre7.86.flaky7.14:
[sbcl.git] / src / pcl / boot.lisp
index 866f813..221647a 100644 (file)
@@ -105,17 +105,14 @@ bootstrapping.
 ;;; early definition. Do this in a way that makes sure that if we
 ;;; redefine one of the early definitions the redefinition will take
 ;;; effect. This makes development easier.
 ;;; early definition. Do this in a way that makes sure that if we
 ;;; redefine one of the early definitions the redefinition will take
 ;;; effect. This makes development easier.
-(eval-when (:load-toplevel :execute)
-  
 (dolist (fns *!early-functions*)
   (let ((name (car fns))
        (early-name (cadr fns)))
     (setf (gdefinition name)
 (dolist (fns *!early-functions*)
   (let ((name (car fns))
        (early-name (cadr fns)))
     (setf (gdefinition name)
-            (set-function-name
+            (set-fun-name
              (lambda (&rest args)
               (apply (fdefinition early-name) args))
              name))))
              (lambda (&rest args)
               (apply (fdefinition early-name) args))
              name))))
-) ; EVAL-WHEN
 
 ;;; *!GENERIC-FUNCTION-FIXUPS* is used by !FIX-EARLY-GENERIC-FUNCTIONS
 ;;; to convert the few functions in the bootstrap which are supposed
 
 ;;; *!GENERIC-FUNCTION-FIXUPS* is used by !FIX-EARLY-GENERIC-FUNCTIONS
 ;;; to convert the few functions in the bootstrap which are supposed
@@ -134,12 +131,12 @@ bootstrapping.
       (standard-generic-function t t)
       real-get-method))
     (ensure-generic-function-using-class
       (standard-generic-function t t)
       real-get-method))
     (ensure-generic-function-using-class
-     ((generic-function function-name
+     ((generic-function fun-name
                        &key generic-function-class environment
                        &allow-other-keys)
       (generic-function t)
       real-ensure-gf-using-class--generic-function)
                        &key generic-function-class environment
                        &allow-other-keys)
       (generic-function t)
       real-ensure-gf-using-class--generic-function)
-     ((generic-function function-name
+     ((generic-function fun-name
                        &key generic-function-class environment
                        &allow-other-keys)
       (null t)
                        &key generic-function-class environment
                        &allow-other-keys)
       (null t)
@@ -159,14 +156,11 @@ bootstrapping.
       (generic-function standard-method-combination t)
       standard-compute-effective-method))))
 \f
       (generic-function standard-method-combination t)
       standard-compute-effective-method))))
 \f
-(defmacro defgeneric (function-name lambda-list &body options)
-  (expand-defgeneric function-name lambda-list options))
-
-(defun expand-defgeneric (function-name lambda-list options)
+(defmacro defgeneric (fun-name lambda-list &body options)
   (let ((initargs ())
        (methods ()))
     (flet ((duplicate-option (name)
   (let ((initargs ())
        (methods ()))
     (flet ((duplicate-option (name)
-            (error 'sb-kernel:simple-program-error
+            (error 'simple-program-error
                    :format-control "The option ~S appears more than once."
                    :format-arguments (list name)))
           (expand-method-definition (qab) ; QAB = qualifiers, arglist, body
                    :format-control "The option ~S appears more than once."
                    :format-arguments (list name)))
           (expand-method-definition (qab) ; QAB = qualifiers, arglist, body
@@ -174,12 +168,7 @@ bootstrapping.
                    (arglist (elt qab arglist-pos))
                    (qualifiers (subseq qab 0 arglist-pos))
                    (body (nthcdr (1+ arglist-pos) qab)))
                    (arglist (elt qab arglist-pos))
                    (qualifiers (subseq qab 0 arglist-pos))
                    (body (nthcdr (1+ arglist-pos) qab)))
-              (when (not (equal (cadr (getf initargs :method-combination))
-                                qualifiers))
-                (error "bad method specification in DEFGENERIC ~A~%~
-                        -- qualifier mismatch for lambda list ~A"
-                       function-name arglist))
-              `(defmethod ,function-name ,@qualifiers ,arglist ,@body))))
+              `(defmethod ,fun-name ,@qualifiers ,arglist ,@body))))
       (macrolet ((initarg (key) `(getf initargs ,key)))
        (dolist (option options)
          (let ((car-option (car option)))
       (macrolet ((initarg (key) `(getf initargs ,key)))
        (dolist (option options)
          (let ((car-option (car option)))
@@ -192,7 +181,7 @@ bootstrapping.
                   (setf (initarg car-option)
                         `',(cdr option))))
              ((:documentation :generic-function-class :method-class)
                   (setf (initarg car-option)
                         `',(cdr option))))
              ((:documentation :generic-function-class :method-class)
-              (unless (sb-int:proper-list-of-length-p option 2)
+              (unless (proper-list-of-length-p option 2)
                 (error "bad list length for ~S" option))
               (if (initarg car-option)
                   (duplicate-option car-option)
                 (error "bad list length for ~S" option))
               (if (initarg car-option)
                   (duplicate-option car-option)
@@ -202,7 +191,7 @@ bootstrapping.
              (t
               ;; ANSI requires that unsupported things must get a
               ;; PROGRAM-ERROR.
              (t
               ;; ANSI requires that unsupported things must get a
               ;; PROGRAM-ERROR.
-              (error 'sb-kernel:simple-program-error
+              (error 'simple-program-error
                      :format-control "unsupported option ~S"
                      :format-arguments (list option))))))
 
                      :format-control "unsupported option ~S"
                      :format-arguments (list option))))))
 
@@ -211,27 +200,26 @@ bootstrapping.
                `',(initarg :declarations))))
       `(progn
         (eval-when (:compile-toplevel :load-toplevel :execute)
                `',(initarg :declarations))))
       `(progn
         (eval-when (:compile-toplevel :load-toplevel :execute)
-          (compile-or-load-defgeneric ',function-name))
-         (load-defgeneric ',function-name ',lambda-list ,@initargs)
+          (compile-or-load-defgeneric ',fun-name))
+         (load-defgeneric ',fun-name ',lambda-list ,@initargs)
         ,@(mapcar #'expand-method-definition methods)
         ,@(mapcar #'expand-method-definition methods)
-        `,(function ,function-name)))))
-
-(defun compile-or-load-defgeneric (function-name)
-  (sb-kernel:proclaim-as-function-name function-name)
-  (sb-kernel:note-name-defined function-name :function)
-  (unless (eq (sb-int:info :function :where-from function-name) :declared)
-    (setf (sb-int:info :function :where-from function-name) :defined)
-    (setf (sb-int:info :function :type function-name)
+        `,(function ,fun-name)))))
+
+(defun compile-or-load-defgeneric (fun-name)
+  (sb-kernel:proclaim-as-fun-name fun-name)
+  (sb-kernel:note-name-defined fun-name :function)
+  (unless (eq (info :function :where-from fun-name) :declared)
+    (setf (info :function :where-from fun-name) :defined)
+    (setf (info :function :type fun-name)
          (sb-kernel:specifier-type 'function))))
 
          (sb-kernel:specifier-type 'function))))
 
-(defun load-defgeneric (function-name lambda-list &rest initargs)
-  (when (fboundp function-name)
-    (sb-kernel::style-warn "redefining ~S in DEFGENERIC" function-name))
+(defun load-defgeneric (fun-name lambda-list &rest initargs)
+  (when (fboundp fun-name)
+    (sb-kernel::style-warn "redefining ~S in DEFGENERIC" fun-name))
   (apply #'ensure-generic-function
   (apply #'ensure-generic-function
-        function-name
+        fun-name
         :lambda-list lambda-list
         :lambda-list lambda-list
-        :definition-source `((defgeneric ,function-name)
-                             ,*load-truename*)
+        :definition-source `((defgeneric ,fun-name) ,*load-truename*)
         initargs))
 \f
 (defmacro defmethod (&rest args &environment env)
         initargs))
 \f
 (defmacro defmethod (&rest args &environment env)
@@ -351,7 +339,7 @@ bootstrapping.
                                 initargs-form &optional pv-table-symbol)
   (let (fn
        fn-lambda)
                                 initargs-form &optional pv-table-symbol)
   (let (fn
        fn-lambda)
-    (if (and (interned-symbol-p (sb-int:function-name-block-name name))
+    (if (and (interned-symbol-p (fun-name-block-name name))
             (every #'interned-symbol-p qualifiers)
             (every #'(lambda (s)
                        (if (consp s)
             (every #'interned-symbol-p qualifiers)
             (every #'(lambda (s)
                        (if (consp s)
@@ -385,29 +373,29 @@ bootstrapping.
                                        ;; force symbols to be printed
                                        ;; with explicit package
                                        ;; prefixes.)
                                        ;; force symbols to be printed
                                        ;; with explicit package
                                        ;; prefixes.)
-                                       (*package* sb-int:*keyword-package*))
+                                       (*package* *keyword-package*))
                                    (format nil "~S" mname)))))
                                    (format nil "~S" mname)))))
-         `(eval-when (:load-toplevel :execute)
-           (defun ,mname-sym ,(cadr fn-lambda)
-             ,@(cddr fn-lambda))
-           ,(make-defmethod-form-internal
-             name qualifiers `',specls
-             unspecialized-lambda-list method-class-name
-             `(list* ,(cadr initargs-form)
-                     #',mname-sym
-                     ,@(cdddr initargs-form))
-             pv-table-symbol)))
-      (make-defmethod-form-internal
-       name qualifiers
-         `(list ,@(mapcar #'(lambda (specializer)
-                              (if (consp specializer)
-                                  ``(,',(car specializer)
-                                     ,,(cadr specializer))
-                                  `',specializer))
-                           specializers))
-         unspecialized-lambda-list method-class-name
-         initargs-form
-         pv-table-symbol))))
+         `(progn
+            (defun ,mname-sym ,(cadr fn-lambda)
+              ,@(cddr fn-lambda))
+            ,(make-defmethod-form-internal
+              name qualifiers `',specls
+              unspecialized-lambda-list method-class-name
+              `(list* ,(cadr initargs-form)
+                      #',mname-sym
+                      ,@(cdddr initargs-form))
+              pv-table-symbol)))
+       (make-defmethod-form-internal
+        name qualifiers
+        `(list ,@(mapcar #'(lambda (specializer)
+                             (if (consp specializer)
+                                 ``(,',(car specializer)
+                                    ,,(cadr specializer))
+                                 `',specializer))
+                         specializers))
+        unspecialized-lambda-list method-class-name
+        initargs-form
+        pv-table-symbol))))
 
 (defun make-defmethod-form-internal
     (name qualifiers specializers-form unspecialized-lambda-list
 
 (defun make-defmethod-form-internal
     (name qualifiers specializers-form unspecialized-lambda-list
@@ -552,7 +540,7 @@ bootstrapping.
                  ;; These declarations seem to be used by PCL to pass
                  ;; information to itself; when I tried to delete 'em
                  ;; ca. 0.6.10 it didn't work. I'm not sure how
                  ;; These declarations seem to be used by PCL to pass
                  ;; information to itself; when I tried to delete 'em
                  ;; ca. 0.6.10 it didn't work. I'm not sure how
-                 ;; they work, but note the (VARIABLE-DECLARATION '%CLASS ..)
+                 ;; they work, but note the (VAR-DECLARATION '%CLASS ..)
                  ;; expression in CAN-OPTIMIZE-ACCESS1. -- WHN 2000-12-30
                  ,@(remove nil
                            (mapcar (lambda (a s) (and (symbolp s)
                  ;; expression in CAN-OPTIMIZE-ACCESS1. -- WHN 2000-12-30
                  ,@(remove nil
                            (mapcar (lambda (a s) (and (symbolp s)
@@ -596,8 +584,7 @@ bootstrapping.
                   (declare (ignorable ,@required-parameters))
                   ,class-declarations
                   ,@declarations
                   (declare (ignorable ,@required-parameters))
                   ,class-declarations
                   ,@declarations
-                  (block ,(sb-int:function-name-block-name
-                           generic-function-name)
+                  (block ,(fun-name-block-name generic-function-name)
                     ,@real-body)))
               (constant-value-p (and (null (cdr real-body))
                                      (constantp (car real-body))))
                     ,@real-body)))
               (constant-value-p (and (null (cdr real-body))
                                      (constantp (car real-body))))
@@ -710,7 +697,7 @@ bootstrapping.
                `(not (null .next-method.))))
      ,@body))
 
                `(not (null .next-method.))))
      ,@body))
 
-(defstruct method-call
+(defstruct (method-call (:copier nil))
   (function #'identity :type function)
   call-method-args)
 
   (function #'identity :type function)
   call-method-args)
 
@@ -731,7 +718,7 @@ bootstrapping.
                             `(list ,@required-args+rest-arg))
                        (method-call-call-method-args ,method-call)))
 
                             `(list ,@required-args+rest-arg))
                        (method-call-call-method-args ,method-call)))
 
-(defstruct fast-method-call
+(defstruct (fast-method-call (:copier nil))
   (function #'identity :type function)
   pv-cell
   next-method-call
   (function #'identity :type function)
   pv-cell
   next-method-call
@@ -748,7 +735,7 @@ bootstrapping.
                (fast-method-call-next-method-call ,method-call)
                ,@required-args+rest-arg))
 
                (fast-method-call-next-method-call ,method-call)
                ,@required-args+rest-arg))
 
-(defstruct fast-instance-boundp
+(defstruct (fast-instance-boundp (:copier nil))
   (index 0 :type fixnum))
 
 #-sb-fluid (declaim (sb-ext:freeze-type fast-instance-boundp))
   (index 0 :type fixnum))
 
 #-sb-fluid (declaim (sb-ext:freeze-type fast-instance-boundp))
@@ -809,7 +796,22 @@ bootstrapping.
   (unless (constantp restp)
     (error "The RESTP argument is not constant."))
   (setq restp (eval restp))
   (unless (constantp restp)
     (error "The RESTP argument is not constant."))
   (setq restp (eval restp))
-  `(progn
+  `(locally
+
+     ;; In sbcl-0.6.11.43, the compiler would issue bogus warnings
+     ;; about type mismatches in unreachable code when we
+     ;; macroexpanded the GET-SLOTS-OR-NIL expressions here and
+     ;; byte-compiled the code. GET-SLOTS-OR-NIL is now an inline
+     ;; function instead of a macro, which seems sufficient to solve
+     ;; the problem all by itself (probably because of some quirk in
+     ;; the relative order of expansion and type inference) but we
+     ;; also use overkill by NOTINLINEing GET-SLOTS-OR-NIL, because it
+     ;; looks as though (1) inlining isn't that much of a win anyway,
+     ;; and (2a) once you miss the FAST-METHOD-CALL clause you're
+     ;; going to be slow anyway, but (2b) code bloat still hurts even
+     ;; when it's off the critical path.
+     (declare (notinline get-slots-or-nil))
+
      (trace-emf-call ,emf ,restp (list ,@required-args+rest-arg))
      (cond ((typep ,emf 'fast-method-call)
             (invoke-fast-method-call ,emf ,@required-args+rest-arg))
      (trace-emf-call ,emf ,restp (list ,@required-args+rest-arg))
      (cond ((typep ,emf 'fast-method-call)
             (invoke-fast-method-call ,emf ,@required-args+rest-arg))
@@ -966,8 +968,8 @@ bootstrapping.
              (null closurep)
              (null applyp))
         `(let () ,@body))
              (null closurep)
              (null applyp))
         `(let () ,@body))
-        ((and (null closurep)
-              (null applyp))
+       ((and (null closurep)
+             (null applyp))
         ;; OK to use MACROLET, and all args are mandatory
         ;; (else APPLYP would be true).
         `(call-next-method-bind
         ;; OK to use MACROLET, and all args are mandatory
         ;; (else APPLYP would be true).
         `(call-next-method-bind
@@ -1021,14 +1023,14 @@ bootstrapping.
                                                      ,(cadr var)))))))
                   (rest `((,var ,args-tail)))
                   (key (cond ((not (consp var))
                                                      ,(cadr var)))))))
                   (rest `((,var ,args-tail)))
                   (key (cond ((not (consp var))
-                              `((,var (get-key-arg ,(sb-int:keywordicate var)
+                              `((,var (get-key-arg ,(keywordicate var)
                                                    ,args-tail))))
                              ((null (cddr var))
                               (multiple-value-bind (keyword variable)
                                   (if (consp (car var))
                                       (values (caar var)
                                               (cadar var))
                                                    ,args-tail))))
                              ((null (cddr var))
                               (multiple-value-bind (keyword variable)
                                   (if (consp (car var))
                                       (values (caar var)
                                               (cadar var))
-                                      (values (sb-int:keywordicate (car var))
+                                      (values (keywordicate (car var))
                                               (car var)))
                                 `((,key (get-key-arg1 ',keyword ,args-tail))
                                   (,variable (if (consp ,key)
                                               (car var)))
                                 `((,key (get-key-arg1 ',keyword ,args-tail))
                                   (,variable (if (consp ,key)
@@ -1039,7 +1041,7 @@ bootstrapping.
                                   (if (consp (car var))
                                       (values (caar var)
                                               (cadar var))
                                   (if (consp (car var))
                                       (values (caar var)
                                               (cadar var))
-                                      (values (sb-int:keywordicate (car var))
+                                      (values (keywordicate (car var))
                                               (car var)))
                                 `((,key (get-key-arg1 ',keyword ,args-tail))
                                   (,(caddr var) ,key)
                                               (car var)))
                                 `((,key (get-key-arg1 ',keyword ,args-tail))
                                   (,(caddr var) ,key)
@@ -1097,8 +1099,9 @@ bootstrapping.
                   ((and (memq (car form)
                                '(slot-value set-slot-value slot-boundp))
                         (constantp (caddr form)))
                   ((and (memq (car form)
                                '(slot-value set-slot-value slot-boundp))
                         (constantp (caddr form)))
-                     (let ((parameter
-                            (can-optimize-access form required-parameters env)))
+                     (let ((parameter (can-optimize-access form
+                                                          required-parameters
+                                                          env)))
                       (let ((fun (ecase (car form)
                                    (slot-value #'optimize-slot-value)
                                    (set-slot-value #'optimize-set-slot-value)
                       (let ((fun (ecase (car form)
                                    (slot-value #'optimize-slot-value)
                                    (set-slot-value #'optimize-set-slot-value)
@@ -1129,7 +1132,7 @@ bootstrapping.
                next-method-p-p)))))
 
 (defun generic-function-name-p (name)
                next-method-p-p)))))
 
 (defun generic-function-name-p (name)
-  (and (sb-int:legal-function-name-p name)
+  (and (legal-fun-name-p name)
        (gboundp name)
        (if (eq *boot-state* 'complete)
           (standard-generic-function-p (gdefinition name))
        (gboundp name)
        (if (eq *boot-state* 'complete)
           (standard-generic-function-p (gdefinition name))
@@ -1193,7 +1196,6 @@ bootstrapping.
   (let ((method-spec (or (getf initargs ':method-spec)
                         (make-method-spec name quals specls))))
     (setf (getf initargs ':method-spec) method-spec)
   (let ((method-spec (or (getf initargs ':method-spec)
                         (make-method-spec name quals specls))))
     (setf (getf initargs ':method-spec) method-spec)
-    (record-definition 'method method-spec)
     (load-defmethod-internal class name quals specls
                             ll initargs pv-table-symbol)))
 
     (load-defmethod-internal class name quals specls
                             ll initargs pv-table-symbol)))
 
@@ -1251,7 +1253,7 @@ bootstrapping.
               (setf (method-function-get mff p) v))))
       (when method-spec
        (when mf
               (setf (method-function-get mff p) v))))
       (when method-spec
        (when mf
-         (setq mf (set-function-name mf method-spec)))
+         (setq mf (set-fun-name mf method-spec)))
        (when mff
          (let ((name `(,(or (get (car method-spec) 'fast-sym)
                             (setf (get (car method-spec) 'fast-sym)
        (when mff
          (let ((name `(,(or (get (car method-spec) 'fast-sym)
                             (setf (get (car method-spec) 'fast-sym)
@@ -1267,7 +1269,7 @@ bootstrapping.
                                                   (car method-spec))
                                           *pcl-package*)))
                         ,@(cdr method-spec))))
                                                   (car method-spec))
                                           *pcl-package*)))
                         ,@(cdr method-spec))))
-           (set-function-name mff name)
+           (set-fun-name mff name)
            (unless mf
              (set-mf-property :name name)))))
       (when plist
            (unless mf
              (set-mf-property :name name)))))
       (when plist
@@ -1287,12 +1289,12 @@ bootstrapping.
 \f
 (defun analyze-lambda-list (lambda-list)
   (flet (;; FIXME: Is this redundant with SB-C::MAKE-KEYWORD-FOR-ARG?
 \f
 (defun analyze-lambda-list (lambda-list)
   (flet (;; FIXME: Is this redundant with SB-C::MAKE-KEYWORD-FOR-ARG?
-        (parse-keyword-argument (arg)
+        (parse-key-argument (arg)
           (if (listp arg)
               (if (listp (car arg))
                   (caar arg)
           (if (listp arg)
               (if (listp (car arg))
                   (caar arg)
-                  (sb-int:keywordicate (car arg)))
-              (sb-int:keywordicate arg))))
+                  (keywordicate (car arg)))
+              (keywordicate arg))))
     (let ((nrequired 0)
          (noptional 0)
          (keysp nil)
     (let ((nrequired 0)
          (noptional 0)
          (keysp nil)
@@ -1317,7 +1319,7 @@ bootstrapping.
            (ecase state
              (required  (incf nrequired))
              (optional  (incf noptional))
            (ecase state
              (required  (incf nrequired))
              (optional  (incf noptional))
-             (key       (push (parse-keyword-argument x) keywords)
+             (key       (push (parse-key-argument x) keywords)
                         (push x keyword-parameters))
              (rest      ()))))
       (values nrequired noptional keysp restp allow-other-keys-p
                         (push x keyword-parameters))
              (rest      ()))))
       (values nrequired noptional keysp restp allow-other-keys-p
@@ -1327,7 +1329,7 @@ bootstrapping.
 (defun keyword-spec-name (x)
   (let ((key (if (atom x) x (car x))))
     (if (atom key)
 (defun keyword-spec-name (x)
   (let ((key (if (atom x) x (car x))))
     (if (atom key)
-       (intern (symbol-name key) sb-int:*keyword-package*)
+       (keywordicate key)
        (car key))))
 
 (defun ftype-declaration-from-lambda-list (lambda-list name)
        (car key))))
 
 (defun ftype-declaration-from-lambda-list (lambda-list name)
@@ -1335,16 +1337,16 @@ bootstrapping.
                                  keywords keyword-parameters)
       (analyze-lambda-list lambda-list)
     (declare (ignore keyword-parameters))
                                  keywords keyword-parameters)
       (analyze-lambda-list lambda-list)
     (declare (ignore keyword-parameters))
-    (let* ((old (sb-int:info :function :type name)) ;FIXME:FDOCUMENTATION instead?
-          (old-ftype (if (sb-kernel:function-type-p old) old nil))
-          (old-restp (and old-ftype (sb-kernel:function-type-rest old-ftype)))
+    (let* ((old (info :function :type name)) ;FIXME:FDOCUMENTATION instead?
+          (old-ftype (if (sb-kernel:fun-type-p old) old nil))
+          (old-restp (and old-ftype (sb-kernel:fun-type-rest old-ftype)))
           (old-keys (and old-ftype
                          (mapcar #'sb-kernel:key-info-name
           (old-keys (and old-ftype
                          (mapcar #'sb-kernel:key-info-name
-                                 (sb-kernel:function-type-keywords
+                                 (sb-kernel:fun-type-keywords
                                   old-ftype))))
                                   old-ftype))))
-          (old-keysp (and old-ftype (sb-kernel:function-type-keyp old-ftype)))
+          (old-keysp (and old-ftype (sb-kernel:fun-type-keyp old-ftype)))
           (old-allowp (and old-ftype
           (old-allowp (and old-ftype
-                           (sb-kernel:function-type-allowp old-ftype)))
+                           (sb-kernel:fun-type-allowp old-ftype)))
           (keywords (union old-keys (mapcar #'keyword-spec-name keywords))))
       `(function ,(append (make-list nrequired :initial-element t)
                          (when (plusp noptional)
           (keywords (union old-keys (mapcar #'keyword-spec-name keywords))))
       `(function ,(append (make-list nrequired :initial-element t)
                          (when (plusp noptional)
@@ -1363,32 +1365,31 @@ bootstrapping.
 
 (defun defgeneric-declaration (spec lambda-list)
   (when (consp spec)
 
 (defun defgeneric-declaration (spec lambda-list)
   (when (consp spec)
-    (setq spec (get-setf-function-name (cadr spec))))
+    (setq spec (get-setf-fun-name (cadr spec))))
   `(ftype ,(ftype-declaration-from-lambda-list lambda-list spec) ,spec))
 \f
 ;;;; early generic function support
 
 (defvar *!early-generic-functions* ())
 
   `(ftype ,(ftype-declaration-from-lambda-list lambda-list spec) ,spec))
 \f
 ;;;; early generic function support
 
 (defvar *!early-generic-functions* ())
 
-(defun ensure-generic-function (function-name
+(defun ensure-generic-function (fun-name
                                &rest all-keys
                                &key environment
                                &allow-other-keys)
   (declare (ignore environment))
                                &rest all-keys
                                &key environment
                                &allow-other-keys)
   (declare (ignore environment))
-  (let ((existing (and (gboundp function-name)
-                      (gdefinition function-name))))
+  (let ((existing (and (gboundp fun-name)
+                      (gdefinition fun-name))))
     (if (and existing
             (eq *boot-state* 'complete)
             (null (generic-function-p existing)))
     (if (and existing
             (eq *boot-state* 'complete)
             (null (generic-function-p existing)))
-       (generic-clobbers-function function-name)
+       (generic-clobbers-function fun-name)
        (apply #'ensure-generic-function-using-class
        (apply #'ensure-generic-function-using-class
-              existing function-name all-keys))))
+              existing fun-name all-keys))))
 
 
-(defun generic-clobbers-function (function-name)
-  (error 'sb-kernel:simple-program-error
-        :format-control
-        "~S already names an ordinary function or a macro."
-        :format-arguments (list function-name)))
+(defun generic-clobbers-function (fun-name)
+  (error 'simple-program-error
+        :format-control "~S already names an ordinary function or a macro."
+        :format-arguments (list fun-name)))
 
 (defvar *sgf-wrapper*
   (boot-make-wrapper (early-class-size 'standard-generic-function)
 
 (defvar *sgf-wrapper*
   (boot-make-wrapper (early-class-size 'standard-generic-function)
@@ -1428,16 +1429,17 @@ bootstrapping.
   (!bootstrap-slot-index 'standard-generic-function 'dfun-state))
 
 (defstruct (arg-info
   (!bootstrap-slot-index 'standard-generic-function 'dfun-state))
 
 (defstruct (arg-info
-            (:conc-name nil)
-            (:constructor make-arg-info ()))
+           (:conc-name nil)
+           (:constructor make-arg-info ())
+           (:copier nil))
   (arg-info-lambda-list :no-lambda-list)
   arg-info-precedence
   arg-info-metatypes
   arg-info-number-optional
   arg-info-key/rest-p
   (arg-info-lambda-list :no-lambda-list)
   arg-info-precedence
   arg-info-metatypes
   arg-info-number-optional
   arg-info-key/rest-p
-  arg-info-keywords ;nil       no keyword or rest allowed
-                   ;(k1 k2 ..) each method must accept these keyword arguments
-                   ;T    must have &key or &rest
+  arg-info-keys   ;nil        no &KEY or &REST allowed
+                 ;(k1 k2 ..) Each method must accept these &KEY arguments.
+                 ;T          must have &KEY or &REST
 
   gf-info-simple-accessor-type ; nil, reader, writer, boundp
   (gf-precompute-dfun-and-emf-p nil) ; set by set-arg-info
 
   gf-info-simple-accessor-type ; nil, reader, writer, boundp
   (gf-precompute-dfun-and-emf-p nil) ; set by set-arg-info
@@ -1505,7 +1507,7 @@ bootstrapping.
        (esetf (arg-info-metatypes arg-info) (make-list nreq))
        (esetf (arg-info-number-optional arg-info) nopt)
        (esetf (arg-info-key/rest-p arg-info) (not (null (or keysp restp))))
        (esetf (arg-info-metatypes arg-info) (make-list nreq))
        (esetf (arg-info-number-optional arg-info) nopt)
        (esetf (arg-info-key/rest-p arg-info) (not (null (or keysp restp))))
-       (esetf (arg-info-keywords arg-info)
+       (esetf (arg-info-keys arg-info)
               (if lambda-list-p
                   (if allow-other-keys-p t keywords)
                   (arg-info-key/rest-p arg-info)))))
               (if lambda-list-p
                   (if allow-other-keys-p t keywords)
                   (arg-info-key/rest-p arg-info)))))
@@ -1526,20 +1528,20 @@ bootstrapping.
              method
              gf
              (apply #'format nil string args)))
              method
              gf
              (apply #'format nil string args)))
-          (compare (x y)
+          (comparison-description (x y)
             (if (> x y) "more" "fewer")))
       (let ((gf-nreq (arg-info-number-required arg-info))
            (gf-nopt (arg-info-number-optional arg-info))
            (gf-key/rest-p (arg-info-key/rest-p arg-info))
             (if (> x y) "more" "fewer")))
       (let ((gf-nreq (arg-info-number-required arg-info))
            (gf-nopt (arg-info-number-optional arg-info))
            (gf-key/rest-p (arg-info-key/rest-p arg-info))
-           (gf-keywords (arg-info-keywords arg-info)))
+           (gf-keywords (arg-info-keys arg-info)))
        (unless (= nreq gf-nreq)
          (lose
           "the method has ~A required arguments than the generic function."
        (unless (= nreq gf-nreq)
          (lose
           "the method has ~A required arguments than the generic function."
-          (compare nreq gf-nreq)))
+          (comparison-description nreq gf-nreq)))
        (unless (= nopt gf-nopt)
          (lose
        (unless (= nopt gf-nopt)
          (lose
-          "the method has ~S optional arguments than the generic function."
-          (compare nopt gf-nopt)))
+          "the method has ~A optional arguments than the generic function."
+          (comparison-description nopt gf-nopt)))
        (unless (eq (or keysp restp) gf-key/rest-p)
          (error
           "The method and generic function differ in whether they accept~%~
        (unless (eq (or keysp restp) gf-key/rest-p)
          (error
           "The method and generic function differ in whether they accept~%~
@@ -1548,7 +1550,7 @@ bootstrapping.
          (unless (or (and restp (not keysp))
                      allow-other-keys-p
                      (every #'(lambda (k) (memq k keywords)) gf-keywords))
          (unless (or (and restp (not keysp))
                      allow-other-keys-p
                      (every #'(lambda (k) (memq k keywords)) gf-keywords))
-           (lose "the method does not accept each of the keyword arguments~%~
+           (lose "the method does not accept each of the &KEY arguments~%~
                   ~S."
                  gf-keywords)))))))
 
                   ~S."
                  gf-keywords)))))))
 
@@ -1632,7 +1634,8 @@ bootstrapping.
 ;;;    CAR    -   a list of the early methods on this early gf
 ;;;    CADR   -   the early discriminator code for this method
 (defun ensure-generic-function-using-class (existing spec &rest keys
 ;;;    CAR    -   a list of the early methods on this early gf
 ;;;    CADR   -   the early discriminator code for this method
 (defun ensure-generic-function-using-class (existing spec &rest keys
-                                           &key (lambda-list nil lambda-list-p)
+                                           &key (lambda-list nil
+                                                             lambda-list-p)
                                            &allow-other-keys)
   (declare (ignore keys))
   (cond ((and existing (early-gf-p existing))
                                            &allow-other-keys)
   (declare (ignore keys))
   (cond ((and existing (early-gf-p existing))
@@ -1651,7 +1654,7 @@ bootstrapping.
 
 (defun make-early-gf (spec &optional lambda-list lambda-list-p function)
   (let ((fin (allocate-funcallable-instance *sgf-wrapper* *sgf-slots-init*)))
 
 (defun make-early-gf (spec &optional lambda-list lambda-list-p function)
   (let ((fin (allocate-funcallable-instance *sgf-wrapper* *sgf-slots-init*)))
-    (set-funcallable-instance-function
+    (set-funcallable-instance-fun
      fin
      (or function
         (if (eq spec 'print-object)
      fin
      (or function
         (if (eq spec 'print-object)
@@ -1668,7 +1671,7 @@ bootstrapping.
                         fin
                         'source
                         *load-truename*)
                         fin
                         'source
                         *load-truename*)
-    (set-function-name fin spec)
+    (set-fun-name fin spec)
     (let ((arg-info (make-arg-info)))
       (setf (early-gf-arg-info fin) arg-info)
       (when lambda-list-p
     (let ((arg-info (make-arg-info)))
       (setf (early-gf-arg-info fin) arg-info)
       (when lambda-list-p
@@ -1748,11 +1751,15 @@ bootstrapping.
         (setf (getf ,all-keys :method-combination)
               (find-method-combination (class-prototype ,gf-class)
                                        (car combin)
         (setf (getf ,all-keys :method-combination)
               (find-method-combination (class-prototype ,gf-class)
                                        (car combin)
-                                       (cdr combin)))))))
+                                       (cdr combin)))))
+    (let ((method-class (getf ,all-keys :method-class '.shes-not-there.)))
+      (unless (eq method-class '.shes-not-there.)
+        (setf (getf ,all-keys :method-class)
+                (find-class method-class t ,env))))))
 
 (defun real-ensure-gf-using-class--generic-function
        (existing
 
 (defun real-ensure-gf-using-class--generic-function
        (existing
-       function-name
+       fun-name
        &rest all-keys
        &key environment (lambda-list nil lambda-list-p)
             (generic-function-class 'standard-generic-function gf-class-p)
        &rest all-keys
        &key environment (lambda-list nil lambda-list-p)
             (generic-function-class 'standard-generic-function gf-class-p)
@@ -1764,11 +1771,11 @@ bootstrapping.
   (prog1
       (apply #'reinitialize-instance existing all-keys)
     (when lambda-list-p
   (prog1
       (apply #'reinitialize-instance existing all-keys)
     (when lambda-list-p
-      (proclaim (defgeneric-declaration function-name lambda-list)))))
+      (proclaim (defgeneric-declaration fun-name lambda-list)))))
 
 (defun real-ensure-gf-using-class--null
        (existing
 
 (defun real-ensure-gf-using-class--null
        (existing
-       function-name
+       fun-name
        &rest all-keys
        &key environment (lambda-list nil lambda-list-p)
             (generic-function-class 'standard-generic-function)
        &rest all-keys
        &key environment (lambda-list nil lambda-list-p)
             (generic-function-class 'standard-generic-function)
@@ -1776,11 +1783,11 @@ bootstrapping.
   (declare (ignore existing))
   (real-ensure-gf-internal generic-function-class all-keys environment)
   (prog1
   (declare (ignore existing))
   (real-ensure-gf-internal generic-function-class all-keys environment)
   (prog1
-      (setf (gdefinition function-name)
+      (setf (gdefinition fun-name)
            (apply #'make-instance generic-function-class
            (apply #'make-instance generic-function-class
-                  :name function-name all-keys))
+                  :name fun-name all-keys))
     (when lambda-list-p
     (when lambda-list-p
-      (proclaim (defgeneric-declaration function-name lambda-list)))))
+      (proclaim (defgeneric-declaration fun-name lambda-list)))))
 \f
 (defun get-generic-function-info (gf)
   ;; values   nreq applyp metatypes nkeys arg-info
 \f
 (defun get-generic-function-info (gf)
   ;; values   nreq applyp metatypes nkeys arg-info
@@ -1962,12 +1969,10 @@ bootstrapping.
       (real-get-method generic-function qualifiers specializers errorp)))
 
 (defun !fix-early-generic-functions ()
       (real-get-method generic-function qualifiers specializers errorp)))
 
 (defun !fix-early-generic-functions ()
-  (sb-int:/show "entering !FIX-EARLY-GENERIC-FUNCTIONS")
   (let ((accessors nil))
     ;; Rearrange *!EARLY-GENERIC-FUNCTIONS* to speed up
     ;; FIX-EARLY-GENERIC-FUNCTIONS.
     (dolist (early-gf-spec *!early-generic-functions*)
   (let ((accessors nil))
     ;; Rearrange *!EARLY-GENERIC-FUNCTIONS* to speed up
     ;; FIX-EARLY-GENERIC-FUNCTIONS.
     (dolist (early-gf-spec *!early-generic-functions*)
-      (sb-int:/show early-gf-spec)
       (when (every #'early-method-standard-accessor-p
                   (early-gf-methods (gdefinition early-gf-spec)))
        (push early-gf-spec accessors)))
       (when (every #'early-method-standard-accessor-p
                   (early-gf-methods (gdefinition early-gf-spec)))
        (push early-gf-spec accessors)))
@@ -1990,13 +1995,13 @@ bootstrapping.
                           standard-class-p
                           funcallable-standard-class-p
                           specializerp)))
                           standard-class-p
                           funcallable-standard-class-p
                           specializerp)))
-      (sb-int:/show spec)
+      (/show spec)
       (setq *!early-generic-functions*
            (cons spec
                  (delete spec *!early-generic-functions* :test #'equal))))
 
     (dolist (early-gf-spec *!early-generic-functions*)
       (setq *!early-generic-functions*
            (cons spec
                  (delete spec *!early-generic-functions* :test #'equal))))
 
     (dolist (early-gf-spec *!early-generic-functions*)
-      (sb-int:/show early-gf-spec)
+      (/show early-gf-spec)
       (let* ((gf (gdefinition early-gf-spec))
             (methods (mapcar #'(lambda (early-method)
                                  (let ((args (copy-list (fifth
       (let* ((gf (gdefinition early-gf-spec))
             (methods (mapcar #'(lambda (early-method)
                                  (let ((args (copy-list (fifth
@@ -2012,11 +2017,11 @@ bootstrapping.
        (set-methods gf methods)))
 
     (dolist (fn *!early-functions*)
        (set-methods gf methods)))
 
     (dolist (fn *!early-functions*)
-      (sb-int:/show fn)
+      (/show fn)
       (setf (gdefinition (car fn)) (fdefinition (caddr fn))))
 
     (dolist (fixup *!generic-function-fixups*)
       (setf (gdefinition (car fn)) (fdefinition (caddr fn))))
 
     (dolist (fixup *!generic-function-fixups*)
-      (sb-int:/show fixup)
+      (/show fixup)
       (let* ((fspec (car fixup))
             (gf (gdefinition fspec))
             (methods (mapcar #'(lambda (method)
       (let* ((fspec (car fixup))
             (gf (gdefinition fspec))
             (methods (mapcar #'(lambda (method)
@@ -2027,7 +2032,7 @@ bootstrapping.
                                         (fn (fdefinition fn-name))
                                         (initargs
                                          (list :function
                                         (fn (fdefinition fn-name))
                                         (initargs
                                          (list :function
-                                               (set-function-name
+                                               (set-fun-name
                                                 #'(lambda (args next-methods)
                                                     (declare (ignore
                                                               next-methods))
                                                 #'(lambda (args next-methods)
                                                     (declare (ignore
                                                               next-methods))
@@ -2045,13 +2050,13 @@ bootstrapping.
        (setf (generic-function-method-combination gf)
              *standard-method-combination*)
        (set-methods gf methods))))
        (setf (generic-function-method-combination gf)
              *standard-method-combination*)
        (set-methods gf methods))))
-  (sb-int:/show "leaving !FIX-EARLY-GENERIC-FUNCTIONS"))
+  (/show "leaving !FIX-EARLY-GENERIC-FUNCTIONS"))
 \f
 ;;; PARSE-DEFMETHOD is used by DEFMETHOD to parse the &REST argument
 ;;; into the 'real' arguments. This is where the syntax of DEFMETHOD
 ;;; is really implemented.
 (defun parse-defmethod (cdr-of-form)
 \f
 ;;; PARSE-DEFMETHOD is used by DEFMETHOD to parse the &REST argument
 ;;; into the 'real' arguments. This is where the syntax of DEFMETHOD
 ;;; is really implemented.
 (defun parse-defmethod (cdr-of-form)
-  ;;(declare (values name qualifiers specialized-lambda-list body))
+  (declare (list cdr-of-form))
   (let ((name (pop cdr-of-form))
        (qualifiers ())
        (spec-ll ()))
   (let ((name (pop cdr-of-form))
        (qualifiers ())
        (spec-ll ()))
@@ -2062,6 +2067,7 @@ bootstrapping.
     (values name qualifiers spec-ll cdr-of-form)))
 
 (defun parse-specializers (specializers)
     (values name qualifiers spec-ll cdr-of-form)))
 
 (defun parse-specializers (specializers)
+  (declare (list specializers))
   (flet ((parse (spec)
           (let ((result (specializer-from-type spec)))
             (if (specializerp result)
   (flet ((parse (spec)
           (let ((result (specializer-from-type spec)))
             (if (specializerp result)
@@ -2097,7 +2103,7 @@ bootstrapping.
              gf (method-generic-function method)
              temp (and gf (generic-function-name gf))
              name (if temp
              gf (method-generic-function method)
              temp (and gf (generic-function-name gf))
              name (if temp
-                      (intern-function-name
+                      (intern-fun-name
                         (make-method-spec temp
                                           (method-qualifiers method)
                                           (unparse-specializers
                         (make-method-spec temp
                                           (method-qualifiers method)
                                           (unparse-specializers
@@ -2115,9 +2121,9 @@ bootstrapping.
                 (and
                   (setq method (get-method gf quals specls errorp))
                   (setq name
                 (and
                   (setq method (get-method gf quals specls errorp))
                   (setq name
-                        (intern-function-name (make-method-spec gf-spec
-                                                                quals
-                                                                specls))))))))
+                        (intern-fun-name (make-method-spec gf-spec
+                                                           quals
+                                                           specls))))))))
     (values gf method name)))
 \f
 (defun extract-parameters (specialized-lambda-list)
     (values gf method name)))
 \f
 (defun extract-parameters (specialized-lambda-list)
@@ -2190,8 +2196,7 @@ bootstrapping.
                     (cons (if (listp arg) (cadr arg) t) specializers)
                     (cons (if (listp arg) (car arg) arg) required)))))))
 \f
                     (cons (if (listp arg) (cadr arg) t) specializers)
                     (cons (if (listp arg) (car arg) arg) required)))))))
 \f
-(eval-when (:load-toplevel :execute)
-  (setq *boot-state* 'early))
+(setq *boot-state* 'early)
 \f
 ;;; FIXME: In here there was a #-CMU definition of SYMBOL-MACROLET
 ;;; which used %WALKER stuff. That suggests to me that maybe the code
 \f
 ;;; FIXME: In here there was a #-CMU definition of SYMBOL-MACROLET
 ;;; which used %WALKER stuff. That suggests to me that maybe the code
@@ -2209,7 +2214,7 @@ bootstrapping.
                `((declare (%variable-rebinding ,in ,instance)))))
        ,in
        (symbol-macrolet ,(mapcar #'(lambda (slot-entry)
                `((declare (%variable-rebinding ,in ,instance)))))
        ,in
        (symbol-macrolet ,(mapcar #'(lambda (slot-entry)
-                                    (let ((variable-name
+                                    (let ((var-name
                                            (if (symbolp slot-entry)
                                                slot-entry
                                                (car slot-entry)))
                                            (if (symbolp slot-entry)
                                                slot-entry
                                                (car slot-entry)))
@@ -2217,7 +2222,7 @@ bootstrapping.
                                            (if (symbolp slot-entry)
                                                slot-entry
                                                (cadr slot-entry))))
                                            (if (symbolp slot-entry)
                                                slot-entry
                                                (cadr slot-entry))))
-                                      `(,variable-name
+                                      `(,var-name
                                          (slot-value ,in ',slot-name))))
                                 slots)
                        ,@body))))
                                          (slot-value ,in ',slot-name))))
                                 slots)
                        ,@body))))
@@ -2233,9 +2238,8 @@ bootstrapping.
                `((declare (%variable-rebinding ,in ,instance)))))
        ,in
        (symbol-macrolet ,(mapcar #'(lambda (slot-entry)
                `((declare (%variable-rebinding ,in ,instance)))))
        ,in
        (symbol-macrolet ,(mapcar #'(lambda (slot-entry)
-                                  (let ((variable-name (car slot-entry))
+                                  (let ((var-name (car slot-entry))
                                         (accessor-name (cadr slot-entry)))
                                         (accessor-name (cadr slot-entry)))
-                                    `(,variable-name
-                                       (,accessor-name ,in))))
+                                    `(,var-name (,accessor-name ,in))))
                               slots)
          ,@body))))
                               slots)
          ,@body))))