(defun load-defgeneric (fun-name lambda-list source-location &rest initargs)
(when (fboundp fun-name)
- (style-warn "redefining ~S in DEFGENERIC" fun-name)
(let ((fun (fdefinition fun-name)))
+ (warn 'sb-kernel:redefinition-with-defgeneric :name fun-name
+ :old fun :new-location source-location)
(when (generic-function-p fun)
(loop for method in (generic-function-initial-methods fun)
do (remove-method fun method))
(setf (gdefinition 'make-method-lambda)
(symbol-function 'real-make-method-lambda)))
+(defun declared-specials (declarations)
+ (loop for (declare . specifiers) in declarations
+ append (loop for specifier in specifiers
+ when (eq 'special (car specifier))
+ append (cdr specifier))))
+
(defun make-method-lambda-internal (proto-gf proto-method method-lambda env)
(declare (ignore proto-gf proto-method))
(unless (and (consp method-lambda) (eq (car method-lambda) 'lambda))
;; KLUDGE: when I tried moving these to
;; ADD-METHOD-DECLARATIONS, things broke. No idea
;; why. -- CSR, 2004-06-16
- ,@(mapcar #'parameter-specializer-declaration-in-defmethod
- parameters
- specializers)))
+ ,@(let ((specials (declared-specials declarations)))
+ (mapcar (lambda (par spec)
+ (parameter-specializer-declaration-in-defmethod
+ par spec specials env))
+ parameters
+ specializers))))
(method-lambda
;; Remove the documentation string and insert the
;; appropriate class declarations. The documentation
(symbol-function 'real-unparse-specializer-using-class)))
;;; a helper function for creating Python-friendly type declarations
-;;; in DEFMETHOD forms
-(defun parameter-specializer-declaration-in-defmethod (parameter specializer)
+;;; in DEFMETHOD forms.
+;;;
+;;; We're too lazy to cons up a new environment for this, so we just pass in
+;;; the list of locally declared specials in addition to the old environment.
+(defun parameter-specializer-declaration-in-defmethod
+ (parameter specializer specials env)
(cond ((and (consp specializer)
(eq (car specializer) 'eql))
;; KLUDGE: ANSI, in its wisdom, says that
'(ignorable))
((typep specializer 'eql-specializer)
`(type (eql ,(eql-specializer-object specializer)) ,parameter))
- ((var-globally-special-p parameter)
- ;; KLUDGE: Don't declare types for global special variables
- ;; -- our rebinding magic for SETQ cases don't work right
- ;; there.
- ;;
- ;; FIXME: It would be better to detect the SETQ earlier and
- ;; skip declarations for specials only when needed, not
- ;; always.
- ;;
- ;; --NS 2004-10-14
+ ((or (var-special-p parameter env) (member parameter specials))
+ ;; Don't declare types for special variables -- our rebinding magic
+ ;; for SETQ cases don't work right there as SET, (SETF SYMBOL-VALUE),
+ ;; etc. make things undecidable.
'(ignorable))
(t
;; Otherwise, we can usually make Python very happy.
(defstruct (fast-method-call (:copier nil))
(function #'identity :type function)
- pv-cell
+ pv
next-method-call
arg-info)
(defstruct (constant-fast-method-call
(defmacro invoke-fast-method-call (method-call restp &rest required-args+rest-arg)
`(,(if restp 'apply 'funcall) (fast-method-call-function ,method-call)
- (fast-method-call-pv-cell ,method-call)
+ (fast-method-call-pv ,method-call)
(fast-method-call-next-method-call ,method-call)
,@required-args+rest-arg))
&rest required-args)
(macrolet ((generate-call (n)
``(funcall (fast-method-call-function ,method-call)
- (fast-method-call-pv-cell ,method-call)
+ (fast-method-call-pv ,method-call)
(fast-method-call-next-method-call ,method-call)
,@required-args
,@(loop for x below ,n
(0 ,(generate-call 0))
(1 ,(generate-call 1))
(t (multiple-value-call (fast-method-call-function ,method-call)
- (values (fast-method-call-pv-cell ,method-call))
+ (values (fast-method-call-pv ,method-call))
(values (fast-method-call-next-method-call ,method-call))
,@required-args
(sb-c::%more-arg-values ,more-context 0 ,more-count))))))
(nreq (car arg-info)))
(if restp
(apply (fast-method-call-function emf)
- (fast-method-call-pv-cell emf)
+ (fast-method-call-pv emf)
(fast-method-call-next-method-call emf)
args)
(cond ((null args)
:format-arguments nil)))
(t
(apply (fast-method-call-function emf)
- (fast-method-call-pv-cell emf)
+ (fast-method-call-pv emf)
(fast-method-call-next-method-call emf)
args))))))
(method-call
;; another binding it won't have a %CLASS
;; declaration anymore, and this won't get
;; executed.
- (pushnew var parameters-setqd))))
+ (pushnew var parameters-setqd :test #'eq))))
form)
((and (eq (car form) 'function)
(cond ((eq (cadr form) 'call-next-method)
(generic-function-methods gf)
(find-method gf qualifiers specializers nil))))
(when method
- (style-warn "redefining ~S~{ ~S~} ~S in DEFMETHOD"
- gf-spec qualifiers specializers))))
+ (style-warn 'sb-kernel:redefinition-with-defmethod
+ :generic-function gf-spec :old-method method
+ :qualifiers qualifiers :specializers specializers
+ :new-location source-location))))
(let ((method (apply #'add-named-method
gf-spec qualifiers specializers lambda-list
:definition-source source-location
(when (or allow-other-keys-p old-allowp)
'(&allow-other-keys)))))
*))))
-
-(defun defgeneric-declaration (spec lambda-list)
- `(ftype ,(ftype-declaration-from-lambda-list lambda-list spec) ,spec))
\f
;;;; early generic function support
(aver (= (symbol-value (intern (format nil "*SM-~A-INDEX*" s)))
(!bootstrap-slot-index 'standard-reader-method s)
(!bootstrap-slot-index 'standard-writer-method s)
- (!bootstrap-slot-index 'standard-boundp-method s))))
+ (!bootstrap-slot-index 'standard-boundp-method s)
+ (!bootstrap-slot-index 'global-reader-method s)
+ (!bootstrap-slot-index 'global-writer-method s)
+ (!bootstrap-slot-index 'global-boundp-method s))))
+
+(define-symbol-macro *standard-method-classes*
+ (list *the-class-standard-method* *the-class-standard-reader-method*
+ *the-class-standard-writer-method* *the-class-standard-boundp-method*
+ *the-class-global-reader-method* *the-class-global-writer-method*
+ *the-class-global-boundp-method*))
(defun safe-method-specializers (method)
- (let ((standard-method-classes
- (list *the-class-standard-method*
- *the-class-standard-reader-method*
- *the-class-standard-writer-method*
- *the-class-standard-boundp-method*))
+ (let ((standard-method-classes *standard-method-classes*)
(class (class-of method)))
(if (member class standard-method-classes)
(clos-slots-ref (get-slots method) *sm-specializers-index*)
(and (typep mf '%method-function)
(%method-function-fast-function mf))))
(defun safe-method-function (method)
- (let ((standard-method-classes
- (list *the-class-standard-method*
- *the-class-standard-reader-method*
- *the-class-standard-writer-method*
- *the-class-standard-boundp-method*))
+ (let ((standard-method-classes *standard-method-classes*)
(class (class-of method)))
(if (member class standard-method-classes)
(clos-slots-ref (get-slots method) *sm-%function-index*)
(method-function method))))
(defun safe-method-qualifiers (method)
- (let ((standard-method-classes
- (list *the-class-standard-method*
- *the-class-standard-reader-method*
- *the-class-standard-writer-method*
- *the-class-standard-boundp-method*))
+ (let ((standard-method-classes *standard-method-classes*)
(class (class-of method)))
(if (member class standard-method-classes)
(clos-slots-ref (get-slots method) *sm-qualifiers-index*)
(package (symbol-package symbol)))
(and (or (eq package *pcl-package*)
(memq package (package-use-list *pcl-package*)))
+ (not (eq package #.(find-package "CL")))
;; FIXME: this test will eventually be
;; superseded by the *internal-pcl...* test,
;; above. While we are in a process of
(let ((arg-info (make-arg-info)))
(setf (early-gf-arg-info fin) arg-info)
(when lambda-list-p
- (proclaim (defgeneric-declaration spec lambda-list))
+ (setf (info :function :type spec)
+ (specifier-type
+ (ftype-declaration-from-lambda-list lambda-list spec))
+ (info :function :where-from spec) :defined-method)
(if argument-precedence-order
(set-arg-info fin
:lambda-list lambda-list
method-class)
(t (find-class method-class t ,env))))))))
+(defun note-gf-signature (fun-name lambda-list-p lambda-list)
+ (unless lambda-list-p
+ ;; Use the existing lambda-list, if any. It is reasonable to do eg.
+ ;;
+ ;; (if (fboundp name)
+ ;; (ensure-generic-function name)
+ ;; (ensure-generic-function name :lambda-list '(foo)))
+ ;;
+ ;; in which case we end up here with no lambda-list in the first leg.
+ (setf (values lambda-list lambda-list-p)
+ (handler-case
+ (values (generic-function-lambda-list (fdefinition fun-name))
+ t)
+ ((or warning error) ()
+ (values nil nil)))))
+ (let ((gf-type
+ (specifier-type
+ (if lambda-list-p
+ (ftype-declaration-from-lambda-list lambda-list fun-name)
+ 'function)))
+ (old-type nil))
+ ;; FIXME: Ideally we would like to not clobber it, but because generic
+ ;; functions assert their FTYPEs callers believing the FTYPE are left with
+ ;; unsafe assumptions. Hence the clobbering. Be quiet when the new type
+ ;; is a subtype of the old one, though -- even though the type is not
+ ;; trusted anymore, the warning is still not quite as interesting.
+ (when (and (eq :declared (info :function :where-from fun-name))
+ (not (csubtypep gf-type (setf old-type (info :function :type fun-name)))))
+ (style-warn "~@<Generic function ~S clobbers an earlier ~S proclamation ~S ~
+ for the same name with ~S.~:@>"
+ fun-name 'ftype
+ (type-specifier old-type)
+ (type-specifier gf-type)))
+ (setf (info :function :type fun-name) gf-type
+ (info :function :where-from fun-name) :defined-method)
+ fun-name))
+
(defun real-ensure-gf-using-class--generic-function
(existing
fun-name
(change-class existing generic-function-class))
(prog1
(apply #'reinitialize-instance existing all-keys)
- (when lambda-list-p
- (proclaim (defgeneric-declaration fun-name lambda-list)))))
+ (note-gf-signature fun-name lambda-list-p lambda-list)))
(defun real-ensure-gf-using-class--null
(existing
(setf (gdefinition fun-name)
(apply #'make-instance generic-function-class
:name fun-name all-keys))
- (when lambda-list-p
- (proclaim (defgeneric-declaration fun-name lambda-list)))))
+ (note-gf-signature fun-name lambda-list-p lambda-list)))
\f
(defun safe-gf-arg-info (generic-function)
(if (eq (class-of generic-function) *the-class-standard-generic-function*)
arg-info)))
(defun early-make-a-method (class qualifiers arglist specializers initargs doc
- &key slot-name object-class method-class-function)
+ &key slot-name object-class method-class-function
+ definition-source)
(let ((parsed ())
(unparsed ()))
;; Figure out whether we got class objects or class names as the
initargs doc)
(when slot-name
(list :slot-name slot-name :object-class object-class
- :method-class-function method-class-function))))))
+ :method-class-function method-class-function))
+ (list :definition-source definition-source)))))
(initialize-method-function initargs result)
result)))
(defun real-make-a-method
(class qualifiers lambda-list specializers initargs doc
- &rest args &key slot-name object-class method-class-function)
+ &rest args &key slot-name object-class method-class-function
+ definition-source)
(if method-class-function
(let* ((object-class (if (classp object-class) object-class
(find-class object-class)))
(apply #'make-instance
(apply method-class-function object-class slot-definition
initargs)
+ :definition-source definition-source
initargs)))
(apply #'make-instance class :qualifiers qualifiers
:lambda-list lambda-list :specializers specializers
(setf (fifth (fifth early-method)) new-value))
(defun early-add-named-method (generic-function-name qualifiers
- specializers arglist &rest initargs)
+ specializers arglist &rest initargs
+ &key documentation definition-source
+ &allow-other-keys)
(let* (;; we don't need to deal with the :generic-function-class
;; argument here because the default,
;; STANDARD-GENERIC-FUNCTION, is right for all early generic
(setf (getf (getf initargs 'plist) :name)
(make-method-spec gf qualifiers specializers))
(let ((new (make-a-method 'standard-method qualifiers arglist
- specializers initargs (getf initargs :documentation))))
+ specializers initargs documentation
+ :definition-source definition-source)))
(when existing (remove-method gf existing))
(add-method gf new))))
(defun extract-the (form)
(cond ((and (consp form) (eq (car form) 'the))
- (aver (proper-list-of-length-p 3))
+ (aver (proper-list-of-length-p form 3))
(third form))
(t
form)))
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