(call-next-method)
(when (and (legal-fun-name-p x)
(fboundp x))
- (%describe-function (fdefinition x) s :function x)
+ (%describe-fun (fdefinition x) s :function x)
;;was: (format s "~@:_Its FDEFINITION is ~S.~@:_" (fdefinition x))
;; TO DO: should check for SETF documentation.
;; TO DO: should make it clear whether the definition is a
;;; Describe a compiled function. The closure case calls us to print
;;; the guts.
-(defun %describe-function-compiled (x s kind name)
+(defun %describe-fun-compiled (x s kind name)
(declare (type stream s))
- ;; FIXME: The lowercaseness of %SIMPLE-FUN-ARGLIST results, and the
- ;; non-sentenceness of the "Arguments" label, makes awkward output.
- ;; Better would be "Its arguments are: ~S" (with uppercase argument
- ;; names) when arguments are known, and otherwise "There is no
- ;; information available about its arguments." or "It has no
- ;; arguments." (And why is %SIMPLE-FUN-ARGLIST a string instead of a
- ;; list of symbols anyway?)
(let ((args (%simple-fun-arglist x)))
- (format s "~@:_~@(~@[~A ~]arguments:~@:_~)" kind)
(cond ((not args)
- (format s " There is no argument information available."))
- ((string= args "()")
(write-string " There are no arguments." s))
(t
+ (format s "~@:_~@(The ~@[~A's ~]arguments are:~@:_~)" kind)
(write-string " " s)
- (pprint-logical-block (s nil)
- (pprint-indent :current 2)
- (write-string args s)))))
+ (let ((*print-pretty* t)
+ (*print-escape* t)
+ (*print-base* 10)
+ (*print-radix* nil))
+ (pprint-logical-block (s nil)
+ (pprint-indent :current 2)
+ (format s "~A" args))))))
(let ((name (or name (%simple-fun-name x))))
(%describe-doc name s 'function kind)
(unless (eq kind :macro)
(%describe-fun-name name s (%simple-fun-type x))))
(%describe-compiled-from (sb-kernel:fun-code-header x) s))
-;;; Describe a function with the specified kind and name. The latter
-;;; arguments provide some information about where the function came
-;;; from. KIND=NIL means not from a name.
-(defun %describe-function (x s &optional (kind nil) name)
+;;; Describe a function object. KIND and NAME provide some information
+;;; about where the function came from.
+(defun %describe-fun (x s &optional (kind :function) (name nil))
(declare (type function x))
(declare (type stream s))
- (declare (type (member :macro :function nil) kind))
+ (declare (type (member :macro :function) kind))
(fresh-line s)
(ecase kind
(:macro (format s "Macro-function: ~S" x))
- (:function (format s "Function: ~S" x))
- ((nil) (format s "~S is a function." x)))
- (case (get-type x)
+ (:function (if name
+ (format s "Function: ~S" x)
+ (format s "~S is a function." x))))
+ (format s "~@:_Its associated name (as in ~S) is ~S."
+ 'function-lambda-expression
+ (%fun-name x))
+ (case (widetag-of x)
(#.sb-vm:closure-header-widetag
- (%describe-function-compiled (%closure-fun x) s kind name)
+ (%describe-fun-compiled (%closure-fun x) s kind name)
(format s "~@:_Its closure environment is:")
(pprint-logical-block (s nil)
(pprint-indent :current 8)
(dotimes (i (- (get-closure-length x) (1- sb-vm:closure-info-offset)))
(format s "~@:_~S: ~S" i (%closure-index-ref x i)))))
((#.sb-vm:simple-fun-header-widetag #.sb-vm:closure-fun-header-widetag)
- (%describe-function-compiled x s kind name))
+ (%describe-fun-compiled x s kind name))
(#.sb-vm:funcallable-instance-header-widetag
- (typecase x
- (standard-generic-function
- ;; There should be a special method for this case; we'll
- ;; delegate to that.
- (describe-object x s))
- (t
- (format s "~@:_It is an unknown type of funcallable instance."))))
+ ;; Only STANDARD-GENERIC-FUNCTION would be handled here, but
+ ;; since it has its own DESCRIBE-OBJECT method, it should've been
+ ;; picked off before getting here. So hopefully we never get here.
+ (format s "~@:_It is an unknown type of funcallable instance."))
(t
(format s "~@:_It is an unknown type of function."))))
(defmethod describe-object ((x function) s)
- (%describe-function x s))
-
+ (%describe-fun x s :function))
+
+(defgeneric describe-symbol-fdefinition (function stream &key (name nil) ))
+
+(defmethod describe-symbol-fdefinition ((fun function) stream &key name)
+ (%describe-fun fun stream :function name))
+
+(defmethod describe-symbol-fdefinition ((fun standard-generic-function) stream
+ &key name)
+ (declare (ignore name))
+ ;; just delegate
+ (describe-object fun stream))
+
(defmethod describe-object ((x symbol) s)
(declare (type stream s))
;; Describe the function cell.
(cond ((macro-function x)
- (%describe-function (macro-function x) s :macro x))
+ (%describe-fun (macro-function x) s :macro x))
((special-operator-p x)
- (%describe-doc x s 'function "Special form"))
+ (%describe-doc x s :function "Special form"))
((fboundp x)
- (%describe-function (fdefinition x) s :function x)))
+ (describe-symbol-fdefinition (fdefinition x) s :name x)))
;; FIXME: Print out other stuff from the INFO database:
;; * Does it name a type?
;; Describe the associated class, if any.
(let ((symbol-named-class (cl:find-class x nil)))
(when symbol-named-class
- (format t "~&It names a class ~A." symbol-named-class)
+ (format s "~&It names a class ~A." symbol-named-class)
(describe symbol-named-class))))
projects / sbcl.git / blobdiff