(values nil nil))
(values nil t)))
(compound-type
- ;; REMOVEME: old version
- #|
- (let ((certain? t))
- (etypecase type
- (union-type
- (dolist (mem (union-type-types type) (values nil certain?))
- (multiple-value-bind (val win) (ctypep obj mem)
- (if win
- (when val (return (values t t)))
- (setf certain? nil)))))
- (intersection-type
- (dolist (mem (intersection-type-types type)
- (if certain? (values t t) (values nil nil)))
- (multiple-value-bind (val win) (ctypep obj mem)
- (if win
- (unless val (return (values nil t)))
- (setf certain? nil)))))))
- |#
- (let ((types (compound-type-types type)))
- (etypecase type
- (intersection-type (every/type #'ctypep obj types))
- (union-type (any/type #'ctypep obj types)))))
- (function-type
+ (funcall (etypecase type
+ (intersection-type #'every/type)
+ (union-type #'any/type))
+ #'ctypep
+ obj
+ (compound-type-types type)))
+ (fun-type
(values (functionp obj) t))
(unknown-type
(values nil nil))
(values (not res) t)
(values nil nil))))
(satisfies
- ;; KLUDGE: This stuff might well blow up if we tried to execute it
- ;; when cross-compiling. But since for the foreseeable future the
- ;; only code we'll try to cross-compile is SBCL itself, and SBCL is
- ;; built without using SATISFIES types, it's arguably not important
- ;; to worry about this. -- WHN 19990210.
- (let ((fun (second hairy-spec)))
- (cond ((and (consp fun)
- (eq (car fun) 'lambda))
- (values (not (null (funcall (coerce fun 'function) obj)))
- t))
- ((and (symbolp fun) (fboundp fun))
- (values (not (null (funcall fun obj))) t))
- (t
- (values nil nil))))))))))
+ (let ((predicate-name (second hairy-spec)))
+ (declare (type symbol predicate-name)) ; by ANSI spec of SATISFIES
+ (if (fboundp predicate-name)
+ (values (not (null (funcall predicate-name obj))) t)
+ (values nil nil)))))))))
\f
-;;; LAYOUT-OF -- Exported
-;;;
-;;; Return the layout for an object. This is the basic operation for
-;;; finding out the "type" of an object, and is used for generic function
-;;; dispatch. The standard doesn't seem to say as much as it should about what
-;;; this returns for built-in objects. For example, it seems that we must
-;;; return NULL rather than LIST when X is NIL so that GF's can specialize on
-;;; NULL.
+;;; Return the layout for an object. This is the basic operation for
+;;; finding out the "type" of an object, and is used for generic
+;;; function dispatch. The standard doesn't seem to say as much as it
+;;; should about what this returns for built-in objects. For example,
+;;; it seems that we must return NULL rather than LIST when X is NIL
+;;; so that GF's can specialize on NULL.
#!-sb-fluid (declaim (inline layout-of))
(defun layout-of (x)
(declare (optimize (speed 3) (safety 0)))
;; run time in order to make it easier to build the cross-compiler.
;; If it doesn't work, something else will be needed..
(locally
- ;; KLUDGE: In order to really make it run at run time (instead of
- ;; doing some weird broken thing at cold load time),
- ;; we need to suppress a DEFTRANSFORM.. -- WHN 19991004
+ ;; KLUDGE: In order to really make this run at run time
+ ;; (instead of doing some weird broken thing at cold load
+ ;; time), we need to suppress a DEFTRANSFORM.. -- WHN 19991004
(declare (notinline sb!xc:find-class))
(class-layout (sb!xc:find-class 'null))))
(t (svref *built-in-class-codes* (get-type x)))))
(layout-class (layout-of object)))
;;; Pull the type specifier out of a function object.
-(defun extract-function-type (fun)
- (if (sb!eval:interpreted-function-p fun)
- (sb!eval:interpreted-function-type fun)
- (typecase fun
- (byte-function (byte-function-type fun))
- (byte-closure (byte-function-type (byte-closure-function fun)))
- (t
- (specifier-type (%function-type (%closure-function fun)))))))
+(defun extract-fun-type (fun)
+ (specifier-type (%simple-fun-type (%closure-fun fun))))
\f
;;;; miscellaneous interfaces
(when *type-system-initialized*
(dolist (sym '(values-specifier-type-cache-clear
values-type-union-cache-clear
- type-union-cache-clear
+ type-union2-cache-clear
values-subtypep-cache-clear
csubtypep-cache-clear
type-intersection2-cache-clear
(function
(if (funcallable-instance-p x)
(sb!xc:class-of x)
- (extract-function-type x)))
+ (extract-fun-type x)))
(symbol
(make-member-type :members (list x)))
(number
- (let* ((num (if (complexp x) (realpart x) x))
- (res (make-numeric-type
- :class (etypecase num
- (integer 'integer)
- (rational 'rational)
- (float 'float))
- :format (if (floatp num)
- (float-format-name num)
- nil))))
- (cond ((complexp x)
- (setf (numeric-type-complexp res) :complex)
- (let ((imag (imagpart x)))
- (setf (numeric-type-low res) (min num imag))
- (setf (numeric-type-high res) (max num imag))))
- (t
- (setf (numeric-type-low res) num)
- (setf (numeric-type-high res) num)))
- res))
+ (ctype-of-number x))
(array
(let ((etype (specifier-type (array-element-type x))))
(make-array-type :dimensions (array-dimensions x)
projects / sbcl.git / blobdiff