-;; Common Lisp bindings for GTK+ v2.0
-;; Copyright (C) 2000 Espen S. Johnsen <esj@stud.cs.uit.no>
+;; Common Lisp bindings for GTK+ v2.x
+;; Copyright 2000-2006 Espen S. Johnsen <espen@users.sf.net>
;;
-;; 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: gtype.lisp,v 1.8 2001/04/29 20:17:07 espen Exp $
+;; $Id: gtype.lisp,v 1.52 2006/04/25 22:10:37 espen Exp $
(in-package "GLIB")
(use-prefix "g")
+;; Initialize the glib type system
+(defbinding type-init () nil)
+(type-init)
-;;;;
+(deftype type-number () 'unsigned-long)
-(deftype type-number () '(unsigned 32))
+(deftype gtype () 'symbol)
-(eval-when (:compile-toplevel :load-toplevel :execute)
- (defclass type-query (alien-structure)
- ((type-number :allocation :alien :type type-number)
- (name :allocation :alien :type string)
- (class-size :allocation :alien :type unsigned-int)
- (instance-size :allocation :alien :type unsigned-int))
- (:metaclass proxy-class)))
+(define-type-method alien-type ((type gtype))
+ (declare (ignore type))
+ (alien-type 'type-number))
+(define-type-method size-of ((type gtype) &key (inlined t))
+ (assert-inlined type inlined)
+ (size-of 'type-number))
-(defbinding ("g_type_name" alien-type-name) (type) (static string)
- ((find-type-number type) type-number))
+(define-type-method to-alien-form ((type gtype) gtype &optional copy-p)
+ (declare (ignore type copy-p))
+ `(find-type-number ,gtype t))
-(defbinding %type-from-name () type-number
- (name string))
+(define-type-method to-alien-function ((type gtype) &optional copy-p)
+ (declare (ignore type copy-p))
+ #'(lambda (gtype)
+ (find-type-number gtype t)))
+
+(define-type-method from-alien-form ((type gtype) form &key ref)
+ (declare (ignore type ref))
+ `(type-from-number ,form))
+
+(define-type-method from-alien-function ((type gtype) &key ref)
+ (declare (ignore type ref))
+ #'(lambda (type-number)
+ (type-from-number type-number)))
+
+(define-type-method writer-function ((type gtype) &key temp (inlined t))
+ (declare (ignore temp))
+ (assert-inlined type inlined)
+ (let ((writer (writer-function 'type-number)))
+ #'(lambda (gtype location &optional (offset 0))
+ (funcall writer (find-type-number gtype t) location offset))))
+
+(define-type-method reader-function ((type gtype) &key ref (inlined t))
+ (declare (ignore ref))
+ (assert-inlined type inlined)
+ (let ((reader (reader-function 'type-number)))
+ #'(lambda (location &optional (offset 0))
+ (type-from-number (funcall reader location offset)))))
-(defbinding type-parent () type-number
- (type type-number))
-(defbinding %type-query () nil
- (type type-number)
- (query type-query))
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defclass type-query (struct)
+ ((type-number :allocation :alien :type type-number)
+ (name :allocation :alien :type (copy-of string))
+ (class-size :allocation :alien :type unsigned-int)
+ (instance-size :allocation :alien :type unsigned-int))
+ (:metaclass struct-class)))
+
-(defun type-query (type)
- (let ((query (make-instance 'type-query)))
- (%type-query (find-type-number type) query)
- query))
+(defbinding type-query (type) nil
+ ((find-type-number type t) type-number)
+ ((make-instance 'type-query) type-query :in/return))
(defun type-instance-size (type)
(slot-value (type-query type) 'instance-size))
(defun type-class-size (type)
(slot-value (type-query type) 'class-size))
-(defbinding type-class-ref () pointer
- (type type-number))
+(defbinding type-class-ref (type) pointer
+ ((find-type-number type t) type-number))
(defbinding type-class-unref () nil
- (type type-number))
+ (class pointer))
-(defbinding type-class-peek () pointer
- (type type-number))
+(defbinding type-class-peek (type) pointer
+ ((find-type-number type t) type-number))
-(defbinding type-create-instance (type) pointer
- ((find-type-number type) type-number))
-(defbinding type-free-instance () nil
- (instance pointer))
+;;;; Mapping between lisp types and glib types
-(defvar *type-to-number-hash* (make-hash-table))
-(defvar *number-to-type-hash* (make-hash-table))
+(defvar *registered-types* ())
+(defvar *registered-type-aliases* ())
+(defvar *registered-static-types* ())
+(defvar *lisp-type-to-type-number* (make-hash-table))
+(defvar *type-number-to-lisp-type* (make-hash-table))
-(defun type-number-from-alien-name (name &optional (error t))
- (if (string= name "invalid")
- 0
- (let ((type-number (%type-from-name name)))
- (cond
- ((and (zerop type-number) error)
- (error "Invalid alien type name: ~A" name))
- ((zerop type-number) nil)
- (t type-number)))))
-
-(defun (setf alien-type-name) (alien-name type)
- (let ((type-name (ensure-type-name type))
- (type-number (type-number-from-alien-name alien-name)))
- (setf (gethash type-number *number-to-type-hash*) type-name)
- (setf (gethash type-name *type-to-number-hash*) type-number)))
-
-(defun (setf find-type-number) (type-number type)
- (setf (gethash (ensure-type-name type) *type-to-number-hash*) type-number))
+(defbinding %type-from-name () type-number
+ (name string))
-(defun find-type-number (type)
+(defun type-number-from-glib-name (name &optional (error-p t))
+ (let ((type-number (%type-from-name name)))
+ (cond
+ ((not (zerop type-number)) type-number)
+ (error-p (error "Invalid gtype name: ~A" name)))))
+
+(defun register-type (type id)
+ (cond
+ ((find-type-number type))
+ ((not id) (warn "Can't register type with no foreign id: ~A" type))
+ (t
+ (pushnew (cons type id) *registered-types* :key #'car)
+ (let ((type-number
+ (typecase id
+ (string (type-number-from-glib-name id))
+ (symbol (funcall id)))))
+ (setf (gethash type *lisp-type-to-type-number*) type-number)
+ (setf (gethash type-number *type-number-to-lisp-type*) type)
+ type-number))))
+
+(defun register-type-alias (type alias)
+ (pushnew (cons type alias) *registered-type-aliases* :key #'car)
+ (setf
+ (gethash type *lisp-type-to-type-number*)
+ (find-type-number alias t)))
+
+(defun reinitialize-all-types ()
+ (clrhash *lisp-type-to-type-number*)
+ (clrhash *type-number-to-lisp-type*)
+ (type-init) ; initialize the glib type system
+ (mapc #'(lambda (type)
+ (register-type (car type) (cdr type)))
+ *registered-types*)
+ (mapc #'(lambda (type)
+ (apply #'register-new-type type))
+ *registered-static-types*)
+ (mapc #'(lambda (type)
+ (register-type-alias (car type) (cdr type)))
+ *registered-type-aliases*))
+
+(pushnew 'reinitialize-all-types
+ #+cmu *after-save-initializations*
+ #+sbcl *init-hooks*
+ #+clisp custom:*init-hooks*)
+
+#+cmu
+(pushnew 'system::reinitialize-global-table ; we shouldn't have to do this?
+ *after-save-initializations*)
+
+
+(defun find-type-number (type &optional error-p)
(etypecase type
(integer type)
- (symbol (gethash type *type-to-number-hash*))
- (pcl::class (gethash (class-name type) *type-to-number-hash*))))
+ (string (type-number-from-glib-name type error-p))
+ (symbol
+ (or
+ (gethash type *lisp-type-to-type-number*)
+ (and error-p (error "Type not registered: ~A" type))))
+ (class (find-type-number (class-name type) error-p))))
-(defun type-from-number (type-number)
- (gethash type-number *number-to-type-hash*))
+(defun type-from-number (type-number &optional error)
+ (multiple-value-bind (type found)
+ (gethash type-number *type-number-to-lisp-type*)
+ (if found
+ type
+ (let ((name (find-foreign-type-name type-number)))
+ (cond
+ ((and name (not (= (type-number-from-glib-name name nil) type-number)))
+ ;; This is a hack because GdkEvent seems to be registered
+ ;; multiple times
+ (type-from-number (type-number-from-glib-name name)))
+ ((and error name)
+ (error "Type number not registered: ~A (~A)" type-number name))
+ ((and error)
+ (error "Invalid type number: ~A" type-number)))))))
+
+(defbinding (find-foreign-type-name "g_type_name") (type) (copy-of string)
+ ((find-type-number type t) type-number))
(defun type-number-of (object)
- (find-type-number (type-of object)))
-
-(defun alien-function (name return-type &rest arg-types)
- (let ((alien
- (alien::%heap-alien
- (alien::make-heap-alien-info
- :type (alien::parse-alien-type
- `(function ,@(cons return-type arg-types)))
- :sap-form (system:foreign-symbol-address name)))))
- #'(lambda (&rest args)
- (apply #'alien:alien-funcall alien args))))
-
-
-(defun type-init (name &optional init-fname)
- (funcall
- (alien-function
- (or
- init-fname
- (default-alien-fname (format nil "~A_get_type" name)))
- '(unsigned 32))))
+ (find-type-number (type-of object) t))
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defvar *type-initializers* ())
+ (defun %find-types-in-library (pathname prefixes ignore)
+ (let ((process
+ (run-program
+ "/usr/bin/nm"
+ #+clisp :arguments
+ (list "--defined-only" "-D" (namestring (truename pathname)))
+ :output :stream :wait nil)))
+ (unwind-protect
+ (loop
+ as symbol = (let ((line (read-line
+ #+(or cmu sbcl)
+ (process-output process)
+ #+clisp process
+ nil)))
+ (when line
+ (subseq line (1+ (position #\Space line :from-end t)))))
+ while symbol
+ when (and
+ (> (length symbol) 9)
+ (or
+ (not prefixes)
+ (some #'(lambda (prefix)
+ (and
+ (> (length symbol) (length prefix))
+ (string= prefix symbol :end2 (length prefix))))
+ (mklist prefixes)))
+ (string= "_get_type" symbol :start2 (- (length symbol) 9))
+ (not (member symbol ignore :test #'string=)))
+ collect symbol)
+ (#+(or cmu sbcl)process-close
+ #+clisp close
+ process)))))
+
+
+(defmacro init-types-in-library (filename &key prefix ignore)
+ (let ((names (%find-types-in-library filename prefix ignore)))
+ `(progn
+ ,@(mapcar #'(lambda (name)
+ `(progn
+ (defbinding (,(intern name) ,name) () type-number)
+ (,(intern name))
+ (pushnew ',(intern name) *type-initializers*)))
+ names))))
+
+(defun find-type-init-function (type-number)
+ (loop
+ for type-init in *type-initializers*
+ when (= type-number (funcall type-init))
+ do (return type-init)))
+
+(defun register-type-as (type-number)
+ (or
+ (find-type-init-function type-number)
+ (find-foreign-type-name type-number)
+ (error "Unknown type-number: ~A" type-number)))
+
+(defun default-type-init-name (type)
+ (find-symbol (format nil "~A_~A_get_type"
+ (package-prefix *package*)
+ (substitute #\_ #\- (string-downcase type)))))
-;;;; Superclass for wrapping types in the glib type system
(eval-when (:compile-toplevel :load-toplevel :execute)
- (defclass ginstance (proxy)
- ()
- (:metaclass proxy-class)
- (:size 4 #|(size-of 'pointer|#)))
-
-(defmethod initialize-proxy ((instance ginstance) &rest initargs &key location)
- (declare (ignore initargs))
- (setf
- (slot-value instance 'location)
- (funcall (ginstance-class-ref (class-of instance)) location))
- (call-next-method))
-
-(defmethod instance-finalizer ((instance ginstance))
- (let ((location (proxy-location instance))
- (unref (ginstance-class-unref (class-of instance))))
- (declare (type system-area-pointer location))
- #'(lambda ()
- (funcall unref location)
- (remove-cached-instance location))))
-
-(defun %type-of-ginstance (location)
- (let ((class (sap-ref-sap location 0)))
- (type-from-number (sap-ref-unsigned class 0))))
-
-(deftype-method translate-from-alien
- ginstance (type-spec location &optional weak-ref)
- (declare (ignore type-spec))
- `(let ((location ,location))
- (unless (null-pointer-p location)
- (ensure-proxy-instance
- (%type-of-ginstance location) location ,weak-ref))))
-
-(deftype-method translate-to-alien
- ginstance (type-spec object &optional weak-ref)
- (declare (ignore type-spec))
- (if weak-ref
- `(proxy-location ,object)
- `(let ((object ,object))
- (funcall
- (ginstance-class-ref (class-of object)) (proxy-location object)))))
-
-(deftype-method unreference-alien ginstance (type-spec location)
- (declare (ignore type-spec))
- `(let* ((location ,location)
- (class (find-class (%type-of-ginstance location))))
- (funcall (ginstance-class-unref class) location)))
+ (defclass type-info (struct)
+ ((class-size :allocation :alien :type (unsigned 16) :initarg :class-size)
+ (base-init :allocation :alien :type pointer)
+ (base-finalize :allocation :alien :type pointer)
+ (class-init :allocation :alien :type pointer)
+ (class-finalize :allocation :alien :type pointer)
+ (class-data :allocation :alien :type pointer)
+ (instance-size :allocation :alien :type (unsigned 16)
+ :initarg :instance-size)
+ (n-preallocs :allocation :alien :type (unsigned 16))
+ (instance-init :allocation :alien :type pointer)
+ (value-table :allocation :alien :type pointer))
+ (:metaclass struct-class)))
+
+(defbinding %type-register-static () type-number
+ (parent-type type-number)
+ (name string)
+ (info type-info)
+ (0 unsigned-int))
+
+(defun register-new-type (type parent &optional foreign-name)
+ (let ((parent-info (type-query parent)))
+ (with-slots ((parent-number type-number) class-size instance-size) parent-info
+ (let ((type-number
+ (%type-register-static
+ parent-number
+ (or foreign-name (default-alien-type-name type))
+ (make-instance 'type-info :class-size class-size :instance-size instance-size))))
+ (pushnew (list type parent foreign-name) *registered-static-types* :key #'car)
+ (setf (gethash type *lisp-type-to-type-number*) type-number)
+ (setf (gethash type-number *type-number-to-lisp-type*) type)
+ type-number))))
(eval-when (:compile-toplevel :load-toplevel :execute)
(defclass ginstance-class (proxy-class)
- ((ref :reader ginstance-class-ref)
- (unref :reader ginstance-class-unref))))
-
-
-(defmethod shared-initialize ((class ginstance-class) names
- &rest initargs
- &key name alien-name size
- ref unref type-init)
- (declare (ignore initargs names))
+ ((gtype :initarg :gtype :initform nil :reader ginstance-class-gtype))))
+
+
+(defun update-size (class)
+ (let ((type-number (find-type-number class)))
+ (cond
+ ((not (foreign-size-p class))
+ (setf (foreign-size class) (type-instance-size type-number)))
+ ((and
+ (foreign-size-p class)
+ (not (= (type-instance-size type-number) (foreign-size class))))
+ (warn "Size mismatch for class ~A" class)))))
+
+
+(defmethod finalize-inheritance ((class ginstance-class))
+ (prog1
+ #+clisp(call-next-method)
+ (let* ((class-name (class-name class))
+ (super (most-specific-proxy-superclass class))
+ (gtype (or
+ (first (ginstance-class-gtype class))
+ (default-alien-type-name class-name)))
+ (type-number
+ (or
+ (find-type-number class-name)
+ (let ((type-number
+ (if (or
+ (symbolp gtype)
+ (type-number-from-glib-name gtype nil))
+ (register-type class-name gtype)
+ (register-new-type class-name (class-name super) gtype))))
+ (type-class-ref type-number)
+ type-number))))
+ (when (and
+ (supertype type-number)
+ (not (eq (class-name super) (supertype type-number))))
+ (warn "Super class mismatch between CLOS and GObject for ~A"
+ class-name)))
+ (update-size class))
+ #-clisp(call-next-method))
+
+
+(defmethod shared-initialize ((class ginstance-class) names &rest initargs)
+ (declare (ignore names initargs))
(call-next-method)
+ (when (class-finalized-p class)
+ (update-size class)))
- (let* ((class-name (or name (class-name class)))
- (type-number
- (cond
- ((and alien-name type-init)
- (error
- "Specify either :type-init or :alien-name for class ~A"
- class-name))
- (alien-name (type-number-from-alien-name (first alien-name)))
- (type-init (type-init class-name (first type-init)))
- (t
- (or
- (type-number-from-alien-name
- (default-alien-type-name class-name) nil)
- (type-init class-name))))))
- (setf (find-type-number class) type-number)
- (unless size
- (setf
- (slot-value class 'size)
- (type-instance-size (find-type-number class-name))))
- (when ref
- (setf
- (slot-value class 'ref)
- (alien-function (first ref) 'system-area-pointer 'system-area-pointer)))
- (when unref
- (setf
- (slot-value class 'unref)
- (alien-function (first unref) 'void 'system-area-pointer)))))
-
-(defmethod shared-initialize :after ((class ginstance-class) names
- &rest initargs)
- (declare (ignore names initargs))
- (unless (slot-boundp class 'ref)
- (setf
- (slot-value class 'ref)
- (ginstance-class-ref (most-specific-proxy-superclass class))))
- (unless (slot-boundp class 'unref)
- (setf
- (slot-value class 'unref)
- (ginstance-class-unref (most-specific-proxy-superclass class)))))
-
-
-(defmethod validate-superclass
- ((class ginstance-class) (super pcl::standard-class))
+
+(defmethod validate-superclass ((class ginstance-class) (super standard-class))
(subtypep (class-name super) 'ginstance))
-;;;; Initializing type numbers
-
-(setf (alien-type-name 'invalid) "invalid")
-(setf (alien-type-name 'char) "gchar")
-(setf (alien-type-name 'unsigned-char) "guchar")
-(setf (alien-type-name 'boolean) "gboolean")
-(setf (alien-type-name 'int) "gint")
-(setf (alien-type-name 'unsigned-int) "guint")
-(setf (alien-type-name 'long) "glong")
-(setf (alien-type-name 'unsigned-long) "gulong")
-(setf (alien-type-name 'single-float) "gfloat")
-(setf (alien-type-name 'double-float) "gdouble")
-(setf (alien-type-name 'string) "GString")
-(setf (find-type-number 'fixnum) (find-type-number 'int))
+;;;; Superclass for wrapping types in the glib type system
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defclass ginstance (proxy)
+ (;(class :allocation :alien :type pointer :offset 0)
+ )
+ (:metaclass proxy-class)
+ (:size #.(size-of 'pointer))))
+
+(defun ref-type-number (location &optional offset)
+ (declare (ignore location offset)))
+
+(setf (symbol-function 'ref-type-number) (reader-function 'type-number))
+
+(defun %type-number-of-ginstance (location)
+ (let ((class (ref-pointer location)))
+ (ref-type-number class)))
+
+(defmethod make-proxy-instance :around ((class ginstance-class) location
+ &rest initargs)
+ (declare (ignore class))
+ (let ((class (labels ((find-known-class (type-number)
+ (or
+ (find-class (type-from-number type-number) nil)
+ (unless (zerop type-number)
+ (find-known-class (type-parent type-number))))))
+ (find-known-class (%type-number-of-ginstance location)))))
+ ;; Note that chancing the class argument should not alter "the
+ ;; ordered set of applicable methods" as specified in the
+ ;; Hyperspec
+ (if class
+ (apply #'call-next-method class location initargs)
+ (error "Object at ~A has an unkown type number: ~A"
+ location (%type-number-of-ginstance location)))))
+
+(define-type-method from-alien-form ((type ginstance) form &key (ref :copy))
+ (call-next-method type form :ref ref))
+
+(define-type-method from-alien-function ((type ginstance) &key (ref :copy))
+ (call-next-method type :ref ref))
+
+
+;;;; Registering fundamental types
+
+(register-type 'nil "void")
+(register-type 'pointer "gpointer")
+(register-type 'char "gchar")
+(register-type 'unsigned-char "guchar")
+(register-type 'boolean "gboolean")
+(register-type 'int "gint")
+(register-type-alias 'integer 'int)
+(register-type-alias 'fixnum 'int)
+(register-type 'unsigned-int "guint")
+(register-type 'long "glong")
+(register-type 'unsigned-long "gulong")
+(register-type 'single-float "gfloat")
+(register-type 'double-float "gdouble")
+(register-type 'pathname "gchararray")
+(register-type 'string "gchararray")
+
+
+;;;; Introspection of type information
+
+(defvar *derivable-type-info* (make-hash-table))
+
+(defun register-derivable-type (type id expander &optional dependencies)
+ (register-type type id)
+ (let ((type-number (register-type type id)))
+ (setf
+ (gethash type-number *derivable-type-info*)
+ (list expander dependencies))))
+
+(defun find-type-info (type)
+ (dolist (super (cdr (type-hierarchy type)))
+ (let ((info (gethash super *derivable-type-info*)))
+ (return-if info))))
+
+(defun expand-type-definition (type forward-p options)
+ (let ((expander (first (find-type-info type))))
+ (funcall expander (find-type-number type t) forward-p options)))
+
+
+(defbinding type-parent (type) type-number
+ ((find-type-number type t) type-number))
+
+(defun supertype (type)
+ (type-from-number (type-parent type)))
+
+(defbinding %type-interfaces (type) pointer
+ ((find-type-number type t) type-number)
+ (n-interfaces unsigned-int :out))
+
+(defun type-interfaces (type)
+ (multiple-value-bind (array length) (%type-interfaces type)
+ (unwind-protect
+ (map-c-vector 'list #'identity array 'type-number length)
+ (deallocate-memory array))))
+
+(defun implements (type)
+ (mapcar #'type-from-number (type-interfaces type)))
+
+(defun type-hierarchy (type)
+ (let ((type-number (find-type-number type t)))
+ (unless (= type-number 0)
+ (cons type-number (type-hierarchy (type-parent type-number))))))
+
+(defbinding (type-is-p "g_type_is_a") (type super) boolean
+ ((find-type-number type) type-number)
+ ((find-type-number super) type-number))
+
+(defbinding %type-children () pointer
+ (type-number type-number)
+ (num-children unsigned-int :out))
+
+(defun map-subtypes (function type &optional prefix)
+ (let ((type-number (find-type-number type t)))
+ (multiple-value-bind (array length) (%type-children type-number)
+ (unwind-protect
+ (map-c-vector
+ 'nil
+ #'(lambda (type-number)
+ (when (or
+ (not prefix)
+ (string-prefix-p prefix (find-foreign-type-name type-number)))
+ (funcall function type-number))
+ (map-subtypes function type-number prefix))
+ array 'type-number length)
+ (deallocate-memory array)))))
+
+(defun find-types (prefix)
+ (let ((type-list nil))
+ (maphash
+ #'(lambda (type-number expander)
+ (declare (ignore expander))
+ (map-subtypes
+ #'(lambda (type-number)
+ (pushnew type-number type-list))
+ type-number prefix))
+ *derivable-type-info*)
+ type-list))
+
+(defun find-type-dependencies (type &optional options)
+ (let ((find-dependencies (second (find-type-info type))))
+ (when find-dependencies
+ (remove-duplicates
+ (mapcar #'find-type-number
+ (funcall find-dependencies (find-type-number type t) options))))))
+
+
+;; The argument is a list where each elements is on the form
+;; (type . dependencies)
+(defun sort-types-topologicaly (unsorted)
+ (flet ((depend-p (type1)
+ (find-if #'(lambda (type2)
+ (and
+ ;; If a type depends a subtype it has to be
+ ;; forward defined
+ (not (type-is-p (car type2) (car type1)))
+ (find (car type2) (cdr type1))))
+ unsorted)))
+ (let ((sorted
+ (loop
+ while unsorted
+ nconc (multiple-value-bind (sorted remaining)
+ (delete-collect-if
+ #'(lambda (type)
+ (or (not (cdr type)) (not (depend-p type))))
+ unsorted)
+ (cond
+ ((not sorted)
+ ;; We have a circular dependency which have to
+ ;; be resolved
+ (let ((selected
+ (find-if
+ #'(lambda (type)
+ (every
+ #'(lambda (dep)
+ (or
+ (not (type-is-p (car type) dep))
+ (not (find dep unsorted :key #'car))))
+ (cdr type)))
+ unsorted)))
+ (unless selected
+ (error "Couldn't resolve circular dependency"))
+ (setq unsorted (delete selected unsorted))
+ (list selected)))
+ (t
+ (setq unsorted remaining)
+ sorted))))))
+
+ ;; Mark types which have to be forward defined
+ (loop
+ for tmp on sorted
+ as (type . dependencies) = (first tmp)
+ collect (cons type (and
+ dependencies
+ (find-if #'(lambda (type)
+ (find (car type) dependencies))
+ (rest tmp))
+ t))))))
+
+
+(defun expand-type-definitions (prefix &optional args)
+ (flet ((type-options (type-number)
+ (let ((name (find-foreign-type-name type-number)))
+ (cdr (assoc name args :test #'string=)))))
+
+ (let ((type-list
+ (delete-if
+ #'(lambda (type-number)
+ (let ((name (find-foreign-type-name type-number)))
+ (or
+ (getf (type-options type-number) :ignore)
+ (find-if
+ #'(lambda (options)
+ (and
+ (string-prefix-p (first options) name)
+ (getf (cdr options) :ignore-prefix)
+ (not (some
+ #'(lambda (exception)
+ (string= name exception))
+ (getf (cdr options) :except)))))
+ args))))
+ (find-types prefix))))
+
+ (dolist (type-number type-list)
+ (let ((name (find-foreign-type-name type-number)))
+ (register-type
+ (getf (type-options type-number) :type (default-type-name name))
+ (register-type-as type-number))))
+
+ ;; This is needed for some unknown reason to get type numbers right
+ (mapc #'find-type-dependencies type-list)
+
+ (let ((sorted-type-list
+ #+clisp (mapcar #'list type-list)
+ #-clisp
+ (sort-types-topologicaly
+ (mapcar
+ #'(lambda (type)
+ (cons type (find-type-dependencies type (type-options type))))
+ type-list))))
+ `(progn
+ ,@(mapcar
+ #'(lambda (pair)
+ (destructuring-bind (type . forward-p) pair
+ (expand-type-definition type forward-p (type-options type))))
+ sorted-type-list)
+ ,@(mapcar
+ #'(lambda (pair)
+ (destructuring-bind (type . forward-p) pair
+ (when forward-p
+ (expand-type-definition type nil (type-options type)))))
+ sorted-type-list))))))
+
+(defmacro define-types-by-introspection (prefix &rest args)
+ (expand-type-definitions prefix args))
+
+(defexport define-types-by-introspection (prefix &rest args)
+ (list-autoexported-symbols (expand-type-definitions prefix args))))
+
+
+;;;; Initialize all non static types in GObject
+
+(init-types-in-library #.(concatenate 'string (pkg-config:pkg-variable "glib-2.0" "libdir") "/libgobject-2.0.so"))