1 ;;;; stuff to automatically generate SETF functions for all the standard
2 ;;;; functions that are currently implemented with SETF macros
4 ;;;; This software is part of the SBCL system. See the README file for
7 ;;;; This software is derived from the CMU CL system, which was
8 ;;;; written at Carnegie Mellon University and released into the
9 ;;;; public domain. The software is in the public domain and is
10 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
11 ;;;; files for more information.
13 (in-package "SB!KERNEL")
15 (eval-when (:compile-toplevel :execute)
17 (defun compute-one-setter (name type)
18 (let* ((args (second type))
21 (values-specifier-type (third type)))))
22 (arglist (make-gensym-list (1+ (length args)))))
24 ((null (intersection args sb!xc:lambda-list-keywords))
25 `(defun (setf ,name) ,arglist
26 (declare ,@(mapcar (lambda (arg type)
30 (setf (,name ,@(rest arglist)) ,(first arglist))))
32 (warn "hairy SETF expander for function ~S" name)
35 ;;; FIXME: should probably become MACROLET
36 (sb!xc:defmacro define-setters (packages &rest ignore)
38 (dolist (pkg packages)
39 (do-external-symbols (sym pkg)
40 (when (and (fboundp sym)
41 (eq (info :function :kind sym) :function)
42 (or (info :setf :inverse sym)
43 (info :setf :expander sym))
44 (not (member sym ignore)))
45 (let ((type (type-specifier (info :function :type sym))))
47 #!-sb-fluid (res `(declaim (inline (setf ,sym))))
48 (res (compute-one-setter sym type))))))
51 ); eval-when (compile eval)
53 (define-setters ("COMMON-LISP")
54 ;; Semantically silly...
55 getf apply ldb mask-field logbitp subseq values
56 ;; Have explicit redundant definitions...
57 setf bit sbit get aref gethash)