X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/clg/blobdiff_plain/73572c12ccd49c661d06287903bfa725f5fd93a5..982a215a2ef5b2f35a0f4430ff9a6836e0317f75:/glib/proxy.lisp?ds=sidebyside diff --git a/glib/proxy.lisp b/glib/proxy.lisp index 6ad8b90..4292fe6 100644 --- a/glib/proxy.lisp +++ b/glib/proxy.lisp @@ -1,21 +1,26 @@ -;; Common Lisp bindings for GTK+ v2.0 -;; Copyright (C) 2000 Espen S. Johnsen +;; Common Lisp bindings for GTK+ v2.x +;; Copyright 2000-2005 Espen S. Johnsen ;; -;; This library is free software; you can redistribute it and/or -;; modify it under the terms of the GNU Lesser General Public -;; License as published by the Free Software Foundation; either -;; version 2 of the License, or (at your option) any later version. +;; Permission is hereby granted, free of charge, to any person obtaining +;; a copy of this software and associated documentation files (the +;; "Software"), to deal in the Software without restriction, including +;; without limitation the rights to use, copy, modify, merge, publish, +;; distribute, sublicense, and/or sell copies of the Software, and to +;; permit persons to whom the Software is furnished to do so, subject to +;; the following conditions: ;; -;; This library is distributed in the hope that it will be useful, -;; but WITHOUT ANY WARRANTY; without even the implied warranty of -;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -;; Lesser General Public License for more details. +;; The above copyright notice and this permission notice shall be +;; included in all copies or substantial portions of the Software. ;; -;; You should have received a copy of the GNU Lesser General Public -;; License along with this library; if not, write to the Free Software -;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +;; IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -;; $Id: proxy.lisp,v 1.19 2005-02-03 23:09:04 espen Exp $ +;; $Id: proxy.lisp,v 1.22 2006-02-02 18:37:46 espen Exp $ (in-package "GLIB") @@ -221,15 +226,19 @@ (defmethod validate-superclass (internal *instance-cache*) (defvar *instance-cache* (make-hash-table :test #'eql)) -(defun cache-instance (instance) +(defun cache-instance (instance &optional (weak-ref t)) (setf (gethash (sap-int (proxy-location instance)) *instance-cache*) - (make-weak-pointer instance))) + (if weak-ref + (make-weak-pointer instance) + instance))) (defun find-cached-instance (location) (let ((ref (gethash (sap-int location) *instance-cache*))) (when ref - (weak-pointer-value ref)))) + (if (weak-pointer-p ref) + (weak-pointer-value ref) + ref)))) (defun instance-cached-p (location) (gethash (sap-int location) *instance-cache*)) @@ -238,11 +247,11 @@ (defun remove-cached-instance (location) (remhash (sap-int location) *instance-cache*)) ;; For debuging -(defun cached-instances () +(defun list-cached-instances () (let ((instances ())) (maphash #'(lambda (location ref) (declare (ignore location)) - (push (weak-pointer-value ref) instances)) + (push ref instances)) *instance-cache*) instances)) @@ -253,7 +262,6 @@ (defun cached-instances () (defclass proxy () ((location :reader proxy-location :type system-area-pointer))) -(defgeneric initialize-proxy (object &rest initargs)) (defgeneric instance-finalizer (object)) (defgeneric reference-foreign (class location)) (defgeneric unreference-foreign (class location)) @@ -533,3 +541,24 @@ (defmethod reference-foreign ((class static-struct-class) location) (defmethod unreference-foreign ((class static-struct-class) location) (declare (ignore class location)) nil) + + +;;; Pseudo type for structs which are inlined in other objects + +(defmethod size-of ((type (eql 'inlined)) &rest args) + (declare (ignore type)) + (proxy-instance-size (first args))) + +(defmethod reader-function ((type (eql 'inlined)) &rest args) + (declare (ignore type)) + (destructuring-bind (class) args + #'(lambda (location &optional (offset 0)) + (ensure-proxy-instance class + (reference-foreign class (sap+ location offset)))))) + +(defmethod destroy-function ((type (eql 'inlined)) &rest args) + (declare (ignore args)) + #'(lambda (location &optional (offset 0)) + (declare (ignore location offset)))) + +(export 'inlined)