1 ;;;; This software is part of the SBCL system. See the README file for
4 ;;;; This software is derived from software originally released by Xerox
5 ;;;; Corporation. Copyright and release statements follow. Later modifications
6 ;;;; to the software are in the public domain and are provided with
7 ;;;; absolutely no warranty. See the COPYING and CREDITS files for more
10 ;;;; copyright information from original PCL sources:
12 ;;;; Copyright (c) 1985, 1986, 1987, 1988, 1989, 1990 Xerox Corporation.
13 ;;;; All rights reserved.
15 ;;;; Use and copying of this software and preparation of derivative works based
16 ;;;; upon this software are permitted. Any distribution of this software or
17 ;;;; derivative works must comply with all applicable United States export
20 ;;;; This software is made available AS IS, and Xerox Corporation makes no
21 ;;;; warranty about the software, its performance or its conformity to any
29 (defun emit-reader/writer-function (reader/writer 1-or-2-class class-slot-p)
32 (:reader (ecase 1-or-2-class
34 (emit-reader/writer-macro :reader 1 t)
35 (emit-reader/writer-macro :reader 1 nil)))
37 (emit-reader/writer-macro :reader 2 t)
38 (emit-reader/writer-macro :reader 2 nil)))))
39 (:writer (ecase 1-or-2-class
41 (emit-reader/writer-macro :writer 1 t)
42 (emit-reader/writer-macro :writer 1 nil)))
44 (emit-reader/writer-macro :writer 2 t)
45 (emit-reader/writer-macro :writer 2 nil))))))
48 (defun emit-one-or-n-index-reader/writer-function
49 (reader/writer cached-index-p class-slot-p)
52 (:reader (if cached-index-p
54 (emit-one-or-n-index-reader/writer-macro :reader t t)
55 (emit-one-or-n-index-reader/writer-macro :reader t nil))
57 (emit-one-or-n-index-reader/writer-macro :reader nil t)
58 (emit-one-or-n-index-reader/writer-macro :reader nil nil))))
59 (:writer (if cached-index-p
61 (emit-one-or-n-index-reader/writer-macro :writer t t)
62 (emit-one-or-n-index-reader/writer-macro :writer t nil))
64 (emit-one-or-n-index-reader/writer-macro :writer nil t)
65 (emit-one-or-n-index-reader/writer-macro :writer nil nil)))))
68 ;;; Note this list is setup in dlisp3.lisp when all the necessary
69 ;;; macros have been loaded.
70 (defvar *checking-or-caching-function-list* nil)
72 (defmacro emit-checking-or-caching-function-precompiled ()
73 `(cdr (assoc (list cached-emf-p return-value-p metatypes applyp)
74 *checking-or-caching-function-list*
77 (defun emit-checking-or-caching-function (cached-emf-p return-value-p metatypes applyp)
78 (let ((fn (emit-checking-or-caching-function-precompiled)))
81 (values (emit-checking-or-caching-function-preliminary
82 cached-emf-p return-value-p metatypes applyp)
85 (defvar *not-in-cache* (make-symbol "not in cache"))
87 (defun emit-checking-or-caching-function-preliminary
88 (cached-emf-p return-value-p metatypes applyp)
89 (declare (ignore applyp))
91 #'(lambda (cache miss-fn)
92 (declare (type function miss-fn))
93 #'(sb-kernel:instance-lambda (&rest args)
94 (declare #.*optimize-speed*)
95 (with-dfun-wrappers (args metatypes)
96 (dfun-wrappers invalid-wrapper-p)
100 (let ((emf (probe-cache cache dfun-wrappers *not-in-cache*)))
101 (if (eq emf *not-in-cache*)
105 (invoke-emf emf args))))))))
106 #'(lambda (cache emf miss-fn)
107 (declare (type function miss-fn))
108 #'(sb-kernel:instance-lambda (&rest args)
109 (declare #.*optimize-speed*)
110 (with-dfun-wrappers (args metatypes)
111 (dfun-wrappers invalid-wrapper-p)
113 (if invalid-wrapper-p
115 (let ((found-p (not (eq *not-in-cache*
116 (probe-cache cache dfun-wrappers
119 (invoke-emf emf args)
122 (apply miss-fn args))))))))))
124 (defun emit-default-only-function (metatypes applyp)
125 (declare (ignore metatypes applyp))
126 (values #'(lambda (emf)
127 #'(lambda (&rest args)
128 (invoke-emf emf args)))