;;; CREATE is non-NIL, create a new (unbound) one.
(defun fdefinition-object (name create)
(declare (values (or fdefn null)))
- (unless (legal-fun-name-p name)
- (error 'simple-type-error
- :datum name
- :expected-type '(or symbol list)
- :format-control "invalid function name: ~S"
- :format-arguments (list name)))
+ (legal-fun-name-or-type-error name)
(let ((fdefn (info :function :definition name)))
(if (and (null fdefn) create)
(setf (info :function :definition name) (make-fdefn name))
(type definition))
(:copier nil))
;; This is definition's encapsulation type. The encapsulated
- ;; definition is in the previous encapsulation-info element or
+ ;; definition is in the previous ENCAPSULATION-INFO element or
;; installed as the global definition of some function name.
type
;; the previous, encapsulated definition. This used to be installed
(definition nil :type function))
;;; Replace the definition of NAME with a function that binds NAME's
-;;; arguments a variable named argument-list, binds name's definition
-;;; to a variable named basic-definition, and evaluates BODY in that
+;;; arguments to a variable named ARG-LIST, binds name's definition
+;;; to a variable named BASIC-DEFINITION, and evaluates BODY in that
;;; context. TYPE is whatever you would like to associate with this
;;; encapsulation for identification in case you need multiple
;;; encapsulations of the same name.
;; an encapsulation that no longer exists.
(let ((info (make-encapsulation-info type (fdefn-fun fdefn))))
(setf (fdefn-fun fdefn)
- (lambda (&rest argument-list)
- (declare (special argument-list))
+ (named-lambda encapsulation (&rest arg-list)
+ (declare (special arg-list))
(let ((basic-definition (encapsulation-info-definition info)))
(declare (special basic-definition))
(eval body)))))))
;;; This is like FIND-IF, except that we do it on a compiled closure's
;;; environment.
(defun find-if-in-closure (test fun)
+ (declare (type function test))
(dotimes (index (1- (get-closure-length fun)))
(let ((elt (%closure-index-ref fun index)))
(when (funcall test elt)
;;; When removing an encapsulation, we must remember that
;;; encapsulating definitions close over a reference to the
-;;; encapsulation-info that describes the encapsulating definition.
+;;; ENCAPSULATION-INFO that describes the encapsulating definition.
;;; When you find an info with the target type, the previous info in
;;; the chain has the ensulating definition of that type. We take the
;;; encapsulated definition from the info with the target type, and we
This is SETF'able."
(let ((fun (%coerce-name-to-fun name)))
(loop
- (let ((encap-info (encapsulation-info fun)))
- (if encap-info
- (setf fun (encapsulation-info-definition encap-info))
- (return fun))))))
+ (let ((encap-info (encapsulation-info fun)))
+ (if encap-info
+ (setf fun (encapsulation-info-definition encap-info))
+ (return fun))))))
(defvar *setf-fdefinition-hook* nil
#!+sb-doc
- "This holds functions that (SETF FDEFINITION) invokes before storing the
- new value. These functions take the function name and the new value.")
+ "A list of functions that (SETF FDEFINITION) invokes before storing the
+ new value. The functions take the function name and the new value.")
(defun %set-fdefinition (name new-value)
#!+sb-doc
"Set NAME's global function definition."
(declare (type function new-value) (optimize (safety 1)))
- (let ((fdefn (fdefinition-object name t)))
- ;; *SETF-FDEFINITION-HOOK* won't be bound when initially running
- ;; top level forms in the kernel core startup.
- (when (boundp '*setf-fdefinition-hook*)
- (dolist (f *setf-fdefinition-hook*)
- (funcall f name new-value)))
-
- (let ((encap-info (encapsulation-info (fdefn-fun fdefn))))
- (cond (encap-info
- (loop
- (let ((more-info
- (encapsulation-info
- (encapsulation-info-definition encap-info))))
- (if more-info
- (setf encap-info more-info)
- (return
- (setf (encapsulation-info-definition encap-info)
- new-value))))))
- (t
- (setf (fdefn-fun fdefn) new-value))))))
+ (with-single-package-locked-error (:symbol name "setting fdefinition of ~A")
+ (let ((fdefn (fdefinition-object name t)))
+ ;; *SETF-FDEFINITION-HOOK* won't be bound when initially running
+ ;; top level forms in the kernel core startup.
+ (when (boundp '*setf-fdefinition-hook*)
+ (dolist (f *setf-fdefinition-hook*)
+ (declare (type function f))
+ (funcall f name new-value)))
+
+ (let ((encap-info (encapsulation-info (fdefn-fun fdefn))))
+ (cond (encap-info
+ (loop
+ (let ((more-info
+ (encapsulation-info
+ (encapsulation-info-definition encap-info))))
+ (if more-info
+ (setf encap-info more-info)
+ (return
+ (setf (encapsulation-info-definition encap-info)
+ new-value))))))
+ (t
+ (setf (fdefn-fun fdefn) new-value)))))))
\f
;;;; FBOUNDP and FMAKUNBOUND
(defun fmakunbound (name)
#!+sb-doc
"Make NAME have no global function definition."
- (let ((fdefn (fdefinition-object name nil)))
- (when fdefn
- (fdefn-makunbound fdefn)))
- (sb!kernel:undefine-fun-name name)
- name)
+ (with-single-package-locked-error
+ (:symbol name "removing the function or macro definition of ~A")
+ (let ((fdefn (fdefinition-object name nil)))
+ (when fdefn
+ (fdefn-makunbound fdefn)))
+ (sb!kernel:undefine-fun-name name)
+ name))
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