-
-(deftype-method translate-type-spec double-list (type-spec)
- (declare (ignore type-spec))
- 'system-area-pointer)
-
-(deftype-method translate-to-alien double-list (type-spec list &optional copy)
- (declare (ignore copy))
- (let* ((element-type-spec (second (type-expand-to 'double-list type-spec)))
- (to-alien (translate-to-alien element-type-spec 'element t)))
- `(let ((glist (make-pointer 0)))
- (dolist (element ,list glist)
- (setq glist (glist-append glist ,to-alien ,element-type-spec))))))
-
-(deftype-method
- translate-from-alien
- double-list (type-spec glist &optional (alloc :dynamic))
- (let ((element-type-spec (second (type-expand-to 'double-list type-spec))))
- `(let ((glist ,glist)
- (list nil))
- (do ((tmp glist (glist-next tmp)))
- ((null-pointer-p tmp))
- (push
- ,(translate-from-alien
- element-type-spec `(glist-data tmp ,element-type-spec) alloc)
- list))
- ,(when (eq alloc :dynamic)
- '(glist-free glist))
- (nreverse list))))
-
-(deftype-method cleanup-alien double-list (type-spec glist &optional copied)
- (declare (ignore copied))
- (let* ((element-type-spec (second (type-expand-to 'double-list type-spec)))
- (alien-type-spec (translate-type-spec element-type-spec)))
- `(let ((glist ,glist))
- (unless (null-pointer-p glist)
- ,(when (eq alien-type-spec 'system-area-pointer)
- `(do ((tmp glist (glist-next tmp)))
- ((null-pointer-p tmp))
- ,(cleanup-alien
- element-type-spec `(glist-data tmp ,element-type-spec) t)))
- (glist-free glist)))))
-
-
-
-;;; Array
-#|
-(define-foreign ("g_array_new" %array-new) () garray
- (zero-terminated boolean)
- (clear boolean)
- (element-size unsigned-int))
-
-(defun array-new (&key zero-terminated clear (element-size 4) initial-contents)
- (let ((array (%array-new zero-terminated clear element-size)))
- (when initial-contents
- (dolist (element initial-contents)
- (array-append array element)))
- array))
-
-(define-foreign ("g_array_free" %array-free) () none
- (array garray)
- (free-segment boolean))
-
-(defun array-free (array &optional free-data (free-segment t))
- (when free-data
- (dotimes (i (array-get-size array))
- (free (array-get-pointer array i))))
- (%array-free array free-segment))
-
-(defmacro with-array (binding &body body)
- (let ((array (gensym)))
- (destructuring-bind (var &rest args
- &key (free-contents nil) (free-segment t)
- &allow-other-keys )
- binding
- (remf args :free-contents)
- (remf args :free-segment)
- `(let* ((,array (array-new ,@args))
- (,var (array-get-data ,array)))
- (unwind-protect
- ,@body
- (array-free ,array ,free-contents ,free-segment))))))
-
-;; cl-gtk.c
-(define-foreign ("g_array_insert_int" array-insert-int) () garray
- (array garray)
- (index unsigned-int)
- (value int))
-
-(defun array-insert-value (array index value)
- (etypecase value
- (null (array-insert-int array index 0))
- (integer (array-insert-int array index value))
- (string (array-insert-int array index (sap-int (gforeign::pointer-to-sap (%strdup value)))))
- (pointer (array-insert-int array index (sap-int (gforeign::pointer-to-sap value))))))
-
-(defun array-prepend (array value)
- (array-insert-value array 0 value))
-
-(defun array-append (array value)
- (array-insert-value array (array-get-size array) value))
-
-;; cl-gtk.c
-(define-foreign ("g_array_get_int" array-get-int) () int
- (array garray)
- (index unsigned-int))
-
-(defun array-get-pointer (array index)
- (gforeign::sap-to-pointer (int-sap (array-get-int array index))))
-
-;; cl-gtk.c
-(define-foreign ("g_array_get_data" array-get-data) () pointer
- (array garray))
-
-(define-foreign ("g_array_set_size" array-set-size) () garray
- (array garray)
- (size unsigned-int))
-
-;; cl-gtk.c
-(define-foreign ("g_array_get_size" array-get-size) () int
- (array garray))
-|#
\ No newline at end of file
+(defun destroy-glist (glist element-type &optional temp-p)
+ (let ((destroy (if (functionp element-type)
+ element-type
+ (destroy-function element-type :temp temp-p))))
+ (loop
+ as element = glist then (glist-next element)
+ until (null-pointer-p element)
+ do (funcall destroy element)))
+ (glist-free glist))
+
+(define-type-method alien-type ((type glist))
+ (declare (ignore type))
+ (alien-type 'pointer))
+
+(define-type-method size-of ((type glist) &key inlined)
+ (assert-not-inlined type inlined)
+ (size-of 'pointer))
+
+
+(define-type-method alien-arg-wrapper ((type glist) var list style form &optional copy-in-p)
+ (destructuring-bind (element-type) (rest (type-expand-to 'glist type))
+ (cond
+ ((and (in-arg-p style) (not (out-arg-p style)))
+ `(with-pointer (,var (make-glist ',element-type ,list ,(not copy-in-p)))
+ (unwind-protect
+ ,form
+ ,(unless copy-in-p
+ `(destroy-glist ,var ',element-type t)))))
+ ((and (in-arg-p style) (out-arg-p style))
+ (let ((glist (make-symbol "GLIST")))
+ `(with-pointer (,glist (make-glist ',element-type ,list ,(not copy-in-p)))
+ (with-pointer (,var ,glist)
+ (unwind-protect
+ ,form
+ ,(unless copy-in-p
+ `(destroy-glist ,glist ',element-type t)))))))
+ ((and (out-arg-p style) (not (in-arg-p style)))
+ `(with-pointer (,var)
+ ,form)))))
+
+(define-type-method to-alien-form ((type glist) list &optional copy-p)
+ (declare (ignore copy-p))
+ (destructuring-bind (element-type) (rest (type-expand-to 'glist type))
+ `(make-glist ',element-type ,list)))
+
+(define-type-method to-alien-function ((type glist) &optional copy-p)
+ (destructuring-bind (element-type) (rest (type-expand-to 'glist type))
+ (values
+ #'(lambda (list)
+ (make-glist element-type list (not copy-p)))
+ (unless copy-p
+ #'(lambda (list glist)
+ (declare (ignore list))
+ (destroy-glist glist element-type t))))))
+
+(define-type-method from-alien-form ((type glist) form &key (ref :free))
+ (destructuring-bind (element-type) (rest (type-expand-to 'glist type))
+ `(let ((glist ,form))
+ (unwind-protect
+ (map-glist 'list #'identity glist ',element-type
+ ,(ecase ref (:free :get) ((:static :temp) :peek) (:copy :read)))
+ ,(when (eq ref :free)
+ `(destroy-glist glist ',element-type))))))
+
+(define-type-method from-alien-function ((type glist) &key (ref :free))
+ (destructuring-bind (element-type) (rest (type-expand-to 'glist type))
+ (ecase ref
+ (:free
+ #'(lambda (glist)
+ (prog1
+ (map-glist 'list #'identity glist element-type :get)
+ (glist-free glist))))
+ (:copy
+ #'(lambda (glist)
+ (map-glist 'list #'identity glist element-type :read)))
+ ((:static :temp)
+ #'(lambda (glist)
+ (map-glist 'list #'identity glist element-type :peek))))))
+
+(define-type-method writer-function ((type glist) &key temp inlined)
+ (assert-not-inlined type inlined)
+ (let ((element-type (second (type-expand-to 'glist type))))
+ #'(lambda (list location &optional (offset 0))
+ (setf
+ (ref-pointer location offset)
+ (make-glist element-type list temp)))))
+
+(define-type-method reader-function ((type glist) &key (ref :read) inlined)
+ (assert-not-inlined type inlined)
+ (let ((element-type (second (type-expand-to 'glist type))))
+ (ecase ref
+ ((:read :peek)
+ #'(lambda (location &optional (offset 0))
+ (unless (null-pointer-p (ref-pointer location offset))
+ (map-glist 'list #'identity (ref-pointer location offset) element-type ref))))
+ (:get
+ #'(lambda (location &optional (offset 0))
+ (unless (null-pointer-p (ref-pointer location offset))
+ (prog1
+ (map-glist 'list #'identity (ref-pointer location offset) element-type :get)
+ (glist-free (ref-pointer location offset))
+ (setf (ref-pointer location offset) (make-pointer 0)))))))))
+
+(define-type-method destroy-function ((type glist) &key temp inlined)
+ (assert-not-inlined type inlined)
+ (let ((element-type (second (type-expand-to 'glist type))))
+ #'(lambda (location &optional (offset 0))
+ (unless (null-pointer-p (ref-pointer location offset))
+ (destroy-glist (ref-pointer location offset) element-type temp)
+ (setf (ref-pointer location offset) (make-pointer 0))))))
+
+(define-type-method copy-function ((type glist) &key inlined)
+ (assert-not-inlined type inlined)
+ (destructuring-bind (element-type) (rest (type-expand-to 'glist type))
+ (let ((copy-element (copy-function element-type)))
+ #'(lambda (from to &optional (offset 0))
+ (unless (null-pointer-p (ref-pointer from offset))
+ (loop
+ as from-list = (ref-pointer from offset)
+ then (glist-next from-list)
+ as to-list = (setf (ref-pointer to offset) (%glist-append nil))
+ then (%glist-append to-list)
+ do (funcall copy-element from-list to-list)
+ while (glist-next from-lisT)))))))
+
+
+;;;; Single linked list (GSList)
+
+(deftype gslist (type) `(or null (cons ,type list)))
+
+(defbinding (%gslist-prepend "g_slist_prepend") () pointer
+ (gslist pointer)
+ (nil null))
+
+(defbinding (%gslist-append "g_slist_append") () pointer
+ (glist (or null pointer))
+ (nil null))
+
+
+(defun make-gslist (element-type list &optional temp-p)
+ (let ((writer (if (functionp element-type)
+ element-type
+ (writer-function element-type :temp temp-p))))
+ (loop
+ for element in (reverse list)
+ as gslist = (%gslist-prepend (make-pointer 0)) then (%gslist-prepend gslist)
+ do (funcall writer element gslist)
+ finally (return gslist))))
+
+(defbinding (gslist-free "g_slist_free") () nil
+ (gslist pointer))
+
+(defun destroy-gslist (gslist element-type &optional temp-p)
+ (loop
+ with destroy = (destroy-function element-type :temp temp-p)
+ as element = gslist then (glist-next element)
+ until (null-pointer-p element)
+ do (funcall destroy element 0))
+ (gslist-free gslist))
+
+(define-type-method alien-type ((type gslist))
+ (declare (ignore type))
+ (alien-type 'pointer))
+
+(define-type-method size-of ((type gslist) &key inlined)
+ (assert-not-inlined type inlined)
+ (size-of 'pointer))
+
+(define-type-method alien-arg-wrapper ((type gslist) var list style form &optional copy-in-p)
+ (destructuring-bind (element-type) (rest (type-expand-to 'gslist type))
+ (cond
+ ((and (in-arg-p style) (not (out-arg-p style)))
+ `(with-pointer (,var (make-gslist ',element-type ,list ,(not copy-in-p)))
+ (unwind-protect
+ ,form
+ ,(unless copy-in-p
+ `(destroy-gslist ,var ',element-type t)))))
+ ((and (in-arg-p style) (out-arg-p style))
+ (let ((gslist (make-symbol "GSLIST")))
+ `(with-pointer (,gslist (make-gslist ',element-type ,list ,(not copy-in-p)))
+ (with-pointer (,var ,gslist)
+ (unwind-protect
+ ,form
+ ,(unless copy-in-p
+ `(destroy-gslist ,gslist ',element-type t)))))))
+ ((and (out-arg-p style) (not (in-arg-p style)))
+ `(with-pointer (,var)
+ ,form)))))
+
+(define-type-method to-alien-form ((type gslist) list &optional copy-p)
+ (declare (ignore copy-p))
+ (destructuring-bind (element-type) (rest (type-expand-to 'gslist type))
+ `(make-gslist ',element-type ,list)))
+
+(define-type-method to-alien-function ((type gslist) &optional copy-p)
+ (destructuring-bind (element-type) (rest (type-expand-to 'gslist type))
+ (values
+ #'(lambda (list)
+ (make-gslist element-type list (not copy-p)))
+ (unless copy-p
+ #'(lambda (list gslist)
+ (declare (ignore list))
+ (destroy-gslist gslist element-type t))))))
+
+(define-type-method from-alien-form ((type gslist) form &key (ref :free))
+ (destructuring-bind (element-type) (rest (type-expand-to 'gslist type))
+ `(let ((gslist ,form))
+ (unwind-protect
+ (map-glist 'list #'identity gslist ',element-type
+ ,(ecase ref (:free :get) ((:static :temp) :peek) (:copy :read)))
+ ,(when (eq ref :free)
+ `(destroy-gslist gslist ',element-type))))))
+
+(define-type-method from-alien-function ((type gslist) &key (ref :free))
+ (destructuring-bind (element-type) (rest (type-expand-to 'gslist type))
+ (ecase ref
+ (:free
+ #'(lambda (glist)
+ (prog1
+ (map-glist 'list #'identity glist element-type :get)
+ (gslist-free glist))))
+ (:copy
+ #'(lambda (glist)
+ (map-glist 'list #'identity glist element-type :read)))
+ ((:static :temp)
+ #'(lambda (glist)
+ (map-glist 'list #'identity glist element-type :peek))))))
+
+(define-type-method writer-function ((type gslist) &key temp inlined)
+ (assert-not-inlined type inlined)
+ (destructuring-bind (element-type) (rest (type-expand-to 'gslist type))
+ (let ((element-writer (writer-function element-type :temp temp)))
+ #'(lambda (list location &optional (offset 0))
+ (setf
+ (ref-pointer location offset)
+ (make-gslist element-writer list))))))
+
+(define-type-method reader-function ((type gslist) &key (ref :read) inlined)
+ (assert-not-inlined type inlined)
+ (let ((element-type (second (type-expand-to 'gslist type))))
+ (ecase ref
+ ((:read :peek)
+ #'(lambda (location &optional (offset 0))
+ (unless (null-pointer-p (ref-pointer location offset))
+ (map-glist 'list #'identity (ref-pointer location offset) element-type ref))))
+ (:get
+ #'(lambda (location &optional (offset 0))
+ (unless (null-pointer-p (ref-pointer location offset))
+ (prog1
+ (map-glist 'list #'identity (ref-pointer location offset) element-type :get)
+ (gslist-free (ref-pointer location offset))
+ (setf (ref-pointer location offset) (make-pointer 0)))))))))
+
+(define-type-method destroy-function ((type gslist) &key temp inlined)
+ (assert-not-inlined type inlined)
+ (let ((element-type (second (type-expand-to 'gslist type))))
+ #'(lambda (location &optional (offset 0))
+ (unless (null-pointer-p (ref-pointer location offset))
+ (destroy-gslist (ref-pointer location offset) element-type temp)
+ (setf (ref-pointer location offset) (make-pointer 0))))))
+
+(define-type-method copy-function ((type gslist) &key inlined)
+ (assert-not-inlined type inlined)
+ (destructuring-bind (element-type) (rest (type-expand-to 'gslist type))
+ (let ((copy-element (copy-function element-type)))
+ #'(lambda (from to &optional (offset 0))
+ (unless (null-pointer-p (ref-pointer from offset))
+ (loop
+ as from-list = (ref-pointer from offset)
+ then (glist-next from-list)
+ as to-list = (setf (ref-pointer to offset) (%gslist-append nil))
+ then (%gslist-append to-list)
+ do (funcall copy-element from-list to-list)
+ while (glist-next from-list)))))))