(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)))
+ (let* ((otype (lvar-type object))
+ (standard-object (specifier-type 'standard-object)))
(cond
;; Flush tests whose result is known at compile time.
- ((csubtypep otype std-obj) t)
- ((not (types-equal-or-intersect otype std-obj)) nil)
+ ((csubtypep otype standard-object) t)
+ ((not (types-equal-or-intersect otype standard-object)) nil)
(t
`(typep (layout-of object) 'sb-pcl::wrapper)))))
+(defun sb-pcl::safe-code-p (&optional env)
+ (let* ((lexenv (or env (make-null-lexenv)))
+ (policy (lexenv-policy lexenv)))
+ (eql (cdr (assoc 'safety policy)) 3)))
+
(define-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>"))))
+ `(defmethod ,name ,@(subseq stuff 0 arg-pos)
+ ,(handler-case
+ (nth-value 2 (sb-pcl::parse-specialized-lambda-list
+ (elt stuff arg-pos)))
+ (error () "<illegal syntax>")))
+ `(defmethod ,name "<illegal syntax>"))))
(defvar sb-pcl::*internal-pcl-generalized-fun-name-symbols* nil)
-(defmacro define-internal-pcl-function-name-syntax (name &rest rest)
+(defmacro define-internal-pcl-function-name-syntax (name &body body)
`(progn
- (define-function-name-syntax ,name ,@rest)
+ (define-function-name-syntax ,name ,@body)
(pushnew ',name sb-pcl::*internal-pcl-generalized-fun-name-symbols*)))
-(define-internal-pcl-function-name-syntax sb-pcl::class-predicate (list)
- (when (cdr list)
- (destructuring-bind (name &rest rest) (cdr list)
- (when (and (symbolp name)
- (null rest))
- (values t name)))))
-
(define-internal-pcl-function-name-syntax sb-pcl::slot-accessor (list)
(when (= (length list) 4)
(destructuring-bind (class slot rwb) (cdr list)
(when (and (member rwb '(sb-pcl::reader sb-pcl::writer sb-pcl::boundp))
- (symbolp slot)
- (symbolp class))
- (values t slot)))))
+ (symbolp slot)
+ (symbolp class))
+ (values t slot)))))
+
+(define-internal-pcl-function-name-syntax sb-pcl::fast-method (list)
+ (valid-function-name-p (cadr list)))
+
+(define-internal-pcl-function-name-syntax sb-pcl::slow-method (list)
+ (valid-function-name-p (cadr list)))
+
+(define-internal-pcl-function-name-syntax sb-pcl::ctor (list)
+ (valid-function-name-p (cadr list)))
+
+(defun sb-pcl::random-documentation (name type)
+ (cdr (assoc type (info :random-documentation :stuff name))))
+
+(defun sb-pcl::set-random-documentation (name type new-value)
+ (let ((pair (assoc type (info :random-documentation :stuff name))))
+ (if pair
+ (setf (cdr pair) new-value)
+ (push (cons type new-value)
+ (info :random-documentation :stuff name))))
+ new-value)
+
+(defsetf sb-pcl::random-documentation sb-pcl::set-random-documentation)
+
+;;;; SLOT-VALUE optimizations
+
+(defknown slot-value (t symbol) t (any))
+(defknown sb-pcl::set-slot-value (t symbol t) t (any))
+
+(defun pcl-boot-state-complete-p ()
+ (eq 'sb-pcl::complete sb-pcl::*boot-state*))
+
+;;; These essentially duplicate what the compiler-macros in slots.lisp
+;;; do, but catch more cases. We retain the compiler-macros since they
+;;; can be used during the build, and because they catch common cases
+;;; slightly more cheaply then the transforms. (Transforms add new
+;;; lambdas, which requires more work by the compiler.)
+
+(deftransform slot-value ((object slot-name))
+ "optimize"
+ (let (c-slot-name)
+ (if (and (pcl-boot-state-complete-p)
+ (constant-lvar-p slot-name)
+ (setf c-slot-name (lvar-value slot-name))
+ (sb-pcl::interned-symbol-p c-slot-name))
+ `(sb-pcl::accessor-slot-value object ',c-slot-name)
+ (give-up-ir1-transform "Slot name is not constant."))))
+
+(deftransform sb-pcl::set-slot-value ((object slot-name new-value)
+ (t symbol t) t
+ ;; Safe code wants to check the
+ ;; type, and the global accessor
+ ;; won't do that. Also see the
+ ;; comment in the
+ ;; compiler-macro.
+ :policy (< safety 3))
+ "optimize"
+ (let (c-slot-name)
+ (if (and (pcl-boot-state-complete-p)
+ (constant-lvar-p slot-name)
+ (setf c-slot-name (lvar-value slot-name))
+ (sb-pcl::interned-symbol-p c-slot-name))
+ `(sb-pcl::accessor-set-slot-value object ',c-slot-name new-value)
+ (give-up-ir1-transform "Slot name is not constant."))))