;;;; specification.
(in-package "SB-PCL")
-
-(sb-int:file-comment
- "$Header$")
\f
(eval-when (:compile-toplevel :load-toplevel :execute)
(defvar *optimize-speed* '(optimize (speed 3) (safety 0)))
) ; EVAL-WHEN
-;;; FIXME: Do these definitions actually increase speed significantly?
-;;; Could we just use SVREF instead, possibly with a few extra
-;;; OPTIMIZE declarations added here and ther?
-(defmacro %svref (vector index)
- `(locally (declare #.*optimize-speed*
- (inline svref))
- (svref (the simple-vector ,vector) (the fixnum ,index))))
-(defsetf %svref %set-svref)
-(defmacro %set-svref (vector index new-value)
- `(locally (declare #.*optimize-speed*
- (inline svref))
- (setf (svref (the simple-vector ,vector) (the fixnum ,index))
- ,new-value)))
-
-;;; I want the body to be evaluated in such a way that no other code that is
-;;; running PCL can be run during that evaluation. I agree that the body
-;;; won't take *long* to evaluate. That is to say that I will only use
-;;; WITHOUT-INTERRUPTS around relatively small computations.
-;;;
-;;; FIXME: We can get rid of this macro definitionand either USE package %SYS
-;;; or add an explicit SB-SYS: prefix to each reference to WITHOUT-INTERRUPTS.
-(defmacro without-interrupts (&rest stuff)
- `(sb-sys:without-interrupts ,@stuff))
-
(defmacro dotimes-fixnum ((var count &optional (result nil)) &body body)
`(dotimes (,var (the fixnum ,count) ,result)
(declare (fixnum ,var))
,@body))
\f
-;;;; very low-level representation of instances with meta-class
-;;;; STANDARD-CLASS
-
-;;; FIXME: more than one IN-PACKAGE in a source file, ick
-(in-package "SB-C")
-
-(defknown sb-pcl::pcl-instance-p (t) boolean
- (movable foldable flushable explicit-check))
-
-(deftransform sb-pcl::pcl-instance-p ((object))
- (let* ((otype (continuation-type object))
- (std-obj (specifier-type 'sb-pcl::std-object)))
- (cond
- ;; Flush tests whose result is known at compile time.
- ((csubtypep otype std-obj) 't)
- ((not (types-intersect otype std-obj)) 'nil)
- (t
- `(typep (sb-kernel:layout-of object) 'sb-pcl::wrapper)))))
-
-(in-package "SB-PCL")
-
-;;; FIXME: What do these do? Could we use SB-KERNEL:INSTANCE-REF instead?
-(defmacro %instance-ref (slots index)
- `(%svref ,slots ,index))
-(defmacro instance-ref (slots index)
- `(svref ,slots ,index))
-
-;;; Note on implementation under CMU CL >=17 and SBCL: STD-INSTANCE-P is
-;;; only used to discriminate between functions (including FINs) and
-;;; normal instances, so we can return true on structures also. A few
-;;; uses of (or std-instance-p fsc-instance-p) are changed to
-;;; pcl-instance-p.
+(declaim (ftype (function (simple-vector index) t) clos-slots-ref))
+(defun clos-slots-ref (slots index)
+ (svref slots index))
+(declaim (ftype (function (t simple-vector index) t) (setf clos-slots-ref)))
+(defun (setf clos-slots-ref) (new-value slots index)
+ (setf (svref slots index) new-value))
+
+;;; Note on implementation under CMU CL >=17 and SBCL: STD-INSTANCE-P
+;;; is only used to discriminate between functions (including FINs)
+;;; and normal instances, so we can return true on structures also. A
+;;; few uses of (OR STD-INSTANCE-P FSC-INSTANCE-P) are changed to
+;;; PCL-INSTANCE-P.
(defmacro std-instance-p (x)
`(sb-kernel:%instancep ,x))
;;;
;;; FIXME: Now that we're tightly integrated into SBCL, we could use the
;;; SBCL built-in unbound value token instead.
-(defconstant *slot-unbound* '..slot-unbound..)
+(defconstant +slot-unbound+ '..slot-unbound..)
(defmacro %allocate-static-slot-storage--class (no-of-slots)
- `(make-array ,no-of-slots :initial-element *slot-unbound*))
+ `(make-array ,no-of-slots :initial-element +slot-unbound+))
(defmacro std-instance-class (instance)
`(wrapper-class* (std-instance-wrapper ,instance)))
\f
-;;;; FUNCTION-ARGLIST
-;;; FIXME: Does FUNCTION-PRETTY-ARGLIST need to be settable at all?
-(defsetf function-pretty-arglist set-function-pretty-arglist)
-(defun set-function-pretty-arglist (function new-value)
- (declare (ignore function))
- new-value)
-
-;;; SET-FUNCTION-NAME
-;;;
;;; When given a function should give this function the name <new-name>.
;;; Note that <new-name> is sometimes a list. Some lisps get the upset
;;; in the tummy when they start thinking about functions which have
(intern (let ((*package* *pcl-package*)
(*print-case* :upcase)
(*print-pretty* nil)
- (*print-gensym* 't))
+ (*print-gensym* t))
(format nil "~S" name))
*pcl-package*))))
\f
-;;;; COMPILE-LAMBDA
-
-;;; This is like the Common Lisp function COMPILE. In fact, that is what it
-;;; ends up calling. The difference is that it deals with things like not
-;;; calling the compiler in certain cases.
-;;;
-;;; FIXME: I suspect that in SBCL, we should always call the compiler. (PCL
-;;; was originally designed to run even on systems with dog-slow call-out-to-C
-;;; compilers, and I suspect that this code is needed only for that.)
-(defun compile-lambda (lambda &optional (desirability :fast))
- (cond ((eq desirability :fast)
- (compile nil lambda))
- (t
- (compile-lambda-uncompiled lambda))))
-
-(defun compile-lambda-uncompiled (uncompiled)
- #'(lambda (&rest args) (apply (coerce uncompiled 'function) args)))
-
-(defun compile-lambda-deferred (uncompiled)
- (let ((function (coerce uncompiled 'function))
- (compiled nil))
- (declare (type (or function null) compiled))
- #'(lambda (&rest args)
- (if compiled
- (apply compiled args)
- (if (in-the-compiler-p)
- (apply function args)
- (progn (setq compiled (compile nil uncompiled))
- (apply compiled args)))))))
-
;;; FIXME: probably no longer needed after init
(defmacro precompile-random-code-segments (&optional system)
`(progn
(defun doctor-dfun-for-the-debugger (gf dfun) (declare (ignore gf)) dfun)
\f
-;;;; low level functions for structures I: functions on arbitrary objects
-
-;;; FIXME: Maybe we don't need this given the SBCL-specific
-;;; versions of the functions which would otherwise use it?
-(defvar *structure-table* (make-hash-table :test 'eq))
-
-(defun declare-structure (name included-name slot-description-list)
- (setf (gethash name *structure-table*)
- (cons included-name slot-description-list)))
-
-(unless (fboundp 'structure-functions-exist-p)
- (setf (symbol-function 'structure-functions-exist-p)
- #'(lambda () nil)))
-
-;;; FIXME: should probably be INLINE
-;;; FIXME: should probably be moved to package SB-INT along with
-;;; other nonstandard type predicates, or removed entirely
-(defun structurep (x)
- (typep x 'cl:structure-object))
-\f
;;; This definition is for interpreted code.
(defun pcl-instance-p (x)
(typep (sb-kernel:layout-of x) 'wrapper))
-;;; We define this as STANDARD-INSTANCE, since we're going to clobber the
-;;; layout with some standard-instance layout as soon as we make it, and we
-;;; want the accessor to still be type-correct.
+;;; We define this as STANDARD-INSTANCE, since we're going to clobber
+;;; the layout with some standard-instance layout as soon as we make
+;;; it, and we want the accessor to still be type-correct.
(defstruct (standard-instance
(:predicate nil)
(:constructor %%allocate-instance--class ())
(slots nil))
;;; Both of these operations "work" on structures, which allows the above
-;;; weakening of std-instance-p.
+;;; weakening of STD-INSTANCE-P.
(defmacro std-instance-slots (x) `(sb-kernel:%instance-ref ,x 1))
(defmacro std-instance-wrapper (x) `(sb-kernel:%instance-layout ,x))
(defmacro built-in-or-structure-wrapper (x) `(sb-kernel:layout-of ,x))
(defmacro get-wrapper (inst)
- (sb-int:once-only ((wrapper `(wrapper-of ,inst)))
+ (once-only ((wrapper `(wrapper-of ,inst)))
`(progn
- (assert (typep ,wrapper 'wrapper) () "What kind of instance is this?")
+ (aver (typep ,wrapper 'wrapper))
,wrapper)))
;;; FIXME: could be an inline function (like many other things around
;;; here)
(defmacro get-instance-wrapper-or-nil (inst)
- (sb-int:once-only ((wrapper `(wrapper-of ,inst)))
+ (once-only ((wrapper `(wrapper-of ,inst)))
`(if (typep ,wrapper 'wrapper)
,wrapper
nil)))
(defmacro get-slots-or-nil (inst)
- (sb-int:once-only ((n-inst inst))
+ (once-only ((n-inst inst))
`(when (pcl-instance-p ,n-inst)
(if (std-instance-p ,n-inst)
(std-instance-slots ,n-inst)
(fsc-instance-slots ,n-inst)))))
\f
;;;; structure-instance stuff
-
-;;; FIXME: This can be removed by hardwiring uses of it to T.
-(defun structure-functions-exist-p ()
- t)
-
;;; The definition of STRUCTURE-TYPE-P was moved to early-low.lisp.
(defun get-structure-dd (type)
(defun structure-slotd-init-form (slotd)
(sb-kernel::dsd-default slotd))
-
-;;; FIXME: more than one IN-PACKAGE in a source file, ick
-(in-package "SB-C")
-
-(def-source-context defmethod (name &rest stuff)
- (let ((arg-pos (position-if #'listp stuff)))
- (if arg-pos
- `(defmethod ,name ,@(subseq stuff 0 arg-pos)
- ,(nth-value 2 (sb-pcl::parse-specialized-lambda-list
- (elt stuff arg-pos))))
- `(defmethod ,name "<illegal syntax>"))))