From: espen Date: Tue, 25 Apr 2006 20:52:09 +0000 (+0000) Subject: Moved to the gffi directory X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/clg/commitdiff_plain/b5fb399c7af5e996626e8eba86648cdab2226d4b Moved to the gffi directory --- diff --git a/glib/ffi.lisp b/glib/ffi.lisp deleted file mode 100644 index 7fe85ab..0000000 --- a/glib/ffi.lisp +++ /dev/null @@ -1,1075 +0,0 @@ -;; Common Lisp bindings for GTK+ v2.x -;; Copyright 1999-2005 Espen S. Johnsen -;; -;; 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: -;; -;; The above copyright notice and this permission notice shall be -;; included in all copies or substantial portions of the Software. -;; -;; 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: ffi.lisp,v 1.30 2006-03-03 20:31:24 espen Exp $ - -(in-package "GLIB") - - -;;;; Foreign function call interface - -(defvar *package-prefix* nil) - -(defun set-package-prefix (prefix &optional (package *package*)) - (let ((package (find-package package))) - (setq *package-prefix* (delete package *package-prefix* :key #'car)) - (push (cons package prefix) *package-prefix*)) - prefix) - -(defun package-prefix (&optional (package *package*)) - (let ((package (find-package package))) - (or - (cdr (assoc package *package-prefix*)) - (substitute #\_ #\- (string-downcase (package-name package)))))) - -(defun find-prefix-package (prefix) - (or - (car (rassoc (string-downcase prefix) *package-prefix* :test #'string=)) - (find-package (string-upcase prefix)))) - -(defmacro use-prefix (prefix &optional (package *package*)) - `(eval-when (:compile-toplevel :load-toplevel :execute) - (set-package-prefix ,prefix ,package))) - - -(defun default-alien-fname (lisp-name) - (let* ((name (substitute #\_ #\- (string-downcase lisp-name))) - (stripped-name - (cond - ((and - (char= (char name 0) #\%) - (string= "_p" name :start2 (- (length name) 2))) - (subseq name 1 (- (length name) 2))) - ((char= (char name 0) #\%) - (subseq name 1)) - ((string= "_p" name :start2 (- (length name) 2)) - (subseq name 0 (- (length name) 2))) - (name))) - (prefix (package-prefix *package*))) - (if (or (not prefix) (string= prefix "")) - stripped-name - (format nil "~A_~A" prefix stripped-name)))) - -(defun default-alien-type-name (type-name) - (let ((prefix (package-prefix *package*))) - (apply - #'concatenate - 'string - (mapcar - #'string-capitalize - (cons prefix (split-string (symbol-name type-name) #\-)))))) - -(defun default-type-name (alien-name) - (let ((parts - (mapcar - #'string-upcase - (split-string-if alien-name #'upper-case-p)))) - (intern - (concatenate-strings - (rest parts) #\-) (find-prefix-package (first parts))))) - - -(defmacro defbinding (name lambda-list return-type &rest docs/args) - (multiple-value-bind (lisp-name c-name) - (if (atom name) - (values name (default-alien-fname name)) - (values-list name)) - - (let ((supplied-lambda-list lambda-list) - (docs nil) - (args nil)) - (dolist (doc/arg docs/args) - (if (stringp doc/arg) - (push doc/arg docs) - (progn - (destructuring-bind (expr type &optional (style :in)) doc/arg - (unless (member style '(:in :out :in-out :return)) - (error "Bogus argument style ~S in ~S." style doc/arg)) - (when (and - (not supplied-lambda-list) - (namep expr) (member style '(:in :in-out :return))) - (push expr lambda-list)) - (push (list (cond - ((and (namep expr) (eq style :out)) expr) - ((namep expr) (make-symbol (string expr))) - ((gensym))) - expr type style) args))))) - - (%defbinding - c-name lisp-name (or supplied-lambda-list (nreverse lambda-list)) - return-type (reverse docs) (reverse args))))) - -#+(or cmu sbcl) -(defun %defbinding (foreign-name lisp-name lambda-list return-type docs args) - (collect ((alien-types) (alien-bindings) (alien-parameters) - (return-values) (cleanup-forms)) - (dolist (arg args) - (destructuring-bind (var expr type style) arg - (let ((declaration (alien-type type)) - (cleanup (cleanup-form type var))) - - (cond - ((member style '(:out :in-out)) - (alien-types `(* ,declaration)) - (alien-parameters `(addr ,var)) - (alien-bindings - `(,var ,declaration - ,@(cond - ((eq style :in-out) (list (to-alien-form type expr))) - ((eq declaration 'system-area-pointer) - (list '(make-pointer 0)))))) - (return-values (from-alien-form type var))) - ((eq style :return) - (alien-types declaration) - (alien-bindings - `(,var ,declaration ,(to-alien-form type expr))) - (alien-parameters var) - (return-values (from-alien-form type var))) - (cleanup - (alien-types declaration) - (alien-bindings - `(,var ,declaration ,(to-alien-form type expr))) - (alien-parameters var) - (cleanup-forms cleanup)) - (t - (alien-types declaration) - (alien-parameters (to-alien-form type expr))))))) - - (let* ((alien-name (make-symbol (string lisp-name))) - (alien-funcall `(alien-funcall ,alien-name ,@(alien-parameters)))) - `(defun ,lisp-name ,lambda-list - ,@docs - #+cmu(declare (optimize (inhibit-warnings 3))) - #+sbcl(declare (muffle-conditions compiler-note)) - (with-alien ((,alien-name - (function - ,(alien-type return-type) - ,@(alien-types)) - :extern ,foreign-name) - ,@(alien-bindings)) - ,(if return-type - `(values - (unwind-protect - ,(from-alien-form return-type alien-funcall) - ,@(cleanup-forms)) - ,@(return-values)) - `(progn - (unwind-protect - ,alien-funcall - ,@(cleanup-forms)) - (values ,@(return-values))))))))) - - -;;; Creates bindings at runtime -(defun mkbinding (name return-type &rest arg-types) - #+cmu(declare (optimize (inhibit-warnings 3))) - #+sbcl(declare (muffle-conditions compiler-note)) - (let* ((ftype - `(function ,@(mapcar #'alien-type (cons return-type arg-types)))) - (alien - (%heap-alien - (make-heap-alien-info - :type (parse-alien-type ftype #+sbcl nil) - :sap-form (let ((address (foreign-symbol-address name))) - (etypecase address - (integer (int-sap address)) - (system-area-pointer address)))))) - (translate-arguments (mapcar #'to-alien-function arg-types)) - (translate-return-value (from-alien-function return-type)) - (cleanup-arguments (mapcar #'cleanup-function arg-types))) - - #'(lambda (&rest args) - (map-into args #'funcall translate-arguments args) - (prog1 - (funcall translate-return-value - (apply #'alien-funcall alien args)) - (mapc #'funcall cleanup-arguments args))))) - - - -;;;; C callbacks - -(defmacro define-callback (name return-type args &body body) - (let ((define-callback - #+cmu'alien:def-callback - #+(and sbcl alien-callbacks)'sb-alien::define-alien-callback - #+(and sbcl (not alien-callbacks))'sb-alien:define-alien-function)) - (multiple-value-bind (doc declaration body) - (cond - ((and (stringp (first body)) (eq (cadr body) 'declare)) - (values (first body) (second body) (cddr body))) - ((stringp (first body)) - (values (first body) nil (rest body))) - ((eq (caar body) 'declare) - (values nil (first body) (rest body))) - (t (values nil nil body))) - `(progn - #+cmu(defparameter ,name nil) - (,define-callback ,name - #+(and sbcl alien-callbacks),(alien-type return-type) - (#+(or cmu (and sbcl (not alien-callbacks))),(alien-type return-type) - ,@(mapcar #'(lambda (arg) - (destructuring-bind (name type) arg - `(,name ,(alien-type type)))) - args)) - ,@(when doc (list doc)) - ,(to-alien-form return-type - `(let (,@(loop - for (name type) in args - as from-alien-form = (callback-from-alien-form type name) - collect `(,name ,from-alien-form))) - ,@(when declaration (list declaration)) - (unwind-protect - (progn ,@body) - ,@(loop - for (name type) in args - do (callback-cleanup-form type name)))))))))) - -(defun callback-address (callback) - #+cmu(alien::callback-trampoline callback) - #+(and sbcl (not alien-callbacks))(sb-alien:alien-function-sap callback) - #+(and sbcl alien-callbacks)(sb-alien:alien-sap callback)) - -#+sbcl -(deftype callback () - #-alien-callbacks'sb-alien:alien-function - #+alien-callbacks'sb-alien:alien) - - -;;; These are for backward compatibility - -(defmacro defcallback (name (return-type &rest args) &body body) - `(define-callback ,name ,return-type ,args ,@body)) - -#-cmu -(defun callback (callback) - (callback-address callback)) - - - -;;;; The "type method" system - -(defun find-applicable-type-method (name type-spec &optional (error-p t)) - (let ((type-methods (get name 'type-methods))) - (labels ((search-method-in-cpl-order (classes) - (when classes - (or - (gethash (class-name (first classes)) type-methods) - (search-method-in-cpl-order (rest classes))))) - (lookup-method (type-spec) - (if (and (symbolp type-spec) (find-class type-spec nil)) - (search-method-in-cpl-order - (class-precedence-list (find-class type-spec))) - (or - (let ((specifier (etypecase type-spec - (symbol type-spec) - (list (first type-spec))))) - (gethash specifier type-methods)) - (multiple-value-bind (expanded-type expanded-p) - (type-expand-1 type-spec) - (when expanded-p - (lookup-method expanded-type)))))) - (search-built-in-type-hierarchy (sub-tree) - (when (subtypep type-spec (first sub-tree)) - (or - (search-nodes (cddr sub-tree)) - (second sub-tree)))) - (search-nodes (nodes) - (loop - for node in nodes - as function = (search-built-in-type-hierarchy node) - until function - finally (return function)))) - (or - (lookup-method type-spec) - ;; This is to handle unexpandable types whichs doesn't name a class - (unless (and (symbolp type-spec) (find-class type-spec nil)) - (search-nodes (get name 'built-in-type-hierarchy))) - (and - error-p - (error "No applicable type method for ~A when call width type specifier ~A" name type-spec)))))) - - -(defun insert-type-in-hierarchy (specifier function nodes) - (cond - ((let ((node (find specifier nodes :key #'first))) - (when node - (setf (second node) function) - nodes))) - ((let ((node - (find-if - #'(lambda (node) - (subtypep specifier (first node))) - nodes))) - (when node - (setf (cddr node) - (insert-type-in-hierarchy specifier function (cddr node))) - nodes))) - ((let ((sub-nodes (remove-if-not - #'(lambda (node) - (subtypep (first node) specifier)) - nodes))) - (cons - (list* specifier function sub-nodes) - (nset-difference nodes sub-nodes)))))) - - -(defun add-type-method (name specifier function) - (setf (gethash specifier (get name 'type-methods)) function) - (when (typep (find-class specifier nil) 'built-in-class) - (setf (get name 'built-in-type-hierarchy) - (insert-type-in-hierarchy specifier function - (get name 'built-in-type-hierarchy))))) - - -;; TODO: handle optional, key and rest arguments -(defmacro define-type-generic (name lambda-list &optional documentation) - (if (or - (not lambda-list) - (find (first lambda-list) '(&optional &key &rest &allow-other-keys))) - (error "A type generic needs at least one required argument") - `(progn - (unless (get ',name 'type-methods) - (setf (get ',name 'type-methods) (make-hash-table)) - (setf (get ',name 'built-in-type-hierarchy) ())) - (defun ,name ,lambda-list - ,documentation - (funcall - (find-applicable-type-method ',name ,(first lambda-list)) - ,@lambda-list))))) - - -(defmacro define-type-method (name lambda-list &body body) - (let ((specifier (cadar lambda-list)) - (args (cons (caar lambda-list) (rest lambda-list)))) - `(progn - (add-type-method ',name ',specifier #'(lambda ,args ,@body)) - ',name))) - - - -;;;; Definitons and translations of fundamental types - -(define-type-generic alien-type (type-spec)) -(define-type-generic size-of (type-spec)) -(define-type-generic to-alien-form (type-spec form)) -(define-type-generic from-alien-form (type-spec form)) -(define-type-generic cleanup-form (type-spec form) - "Creates a form to clean up after the alien call has finished.") -(define-type-generic callback-from-alien-form (type-spec form)) -(define-type-generic callback-cleanup-form (type-spec form)) - -(define-type-generic to-alien-function (type-spec)) -(define-type-generic from-alien-function (type-spec)) -(define-type-generic cleanup-function (type-spec)) - -(define-type-generic copy-to-alien-form (type-spec form)) -(define-type-generic copy-to-alien-function (type-spec)) -(define-type-generic copy-from-alien-form (type-spec form)) -(define-type-generic copy-from-alien-function (type-spec)) -(define-type-generic writer-function (type-spec)) -(define-type-generic reader-function (type-spec)) -(define-type-generic destroy-function (type-spec)) - -(define-type-generic unbound-value (type-spec) - "Returns a value which should be intepreted as unbound for slots with virtual allocation") - - -#+sbcl -(eval-when (:compile-toplevel :load-toplevel :execute) - (defun sb-sizeof-bits (type) - (sb-alien-internals:alien-type-bits - (sb-alien-internals:parse-alien-type type nil))) - - (defun sb-sizeof (type) - (/ (sb-sizeof-bits type) 8))) - - -;; Sizes of fundamental C types in bytes (8 bits) -(defconstant +size-of-short+ - #+sbcl (sb-sizeof 'sb-alien:short) - #-sbcl 2) -(defconstant +size-of-int+ - #+sbcl (sb-sizeof 'sb-alien:int) - #-sbcl 4) -(defconstant +size-of-long+ - #+sbcl (sb-sizeof 'sb-alien:long) - #-sbcl 4) -(defconstant +size-of-pointer+ - #+sbcl (sb-sizeof 'sb-alien:system-area-pointer) - #-sbcl 4) -(defconstant +size-of-float+ - #+sbcl (sb-sizeof 'sb-alien:float) - #-sbcl 4) -(defconstant +size-of-double+ - #+sbcl (sb-sizeof 'sb-alien:double) - #-sbcl 8) - - -;; Sizes of fundamental C types in bits -(defconstant +bits-of-byte+ 8) -(defconstant +bits-of-short+ - #+sbcl (sb-sizeof-bits 'sb-alien:short) - #-sbcl 16) -(defconstant +bits-of-int+ - #+sbcl (sb-sizeof-bits 'sb-alien:int) - #-sbcl 32) -(defconstant +bits-of-long+ - #+sbcl (sb-sizeof-bits 'sb-alien:long) - #-sbcl 32) - - -(deftype int () '(signed-byte #.+bits-of-int+)) -(deftype unsigned-int () '(unsigned-byte #.+bits-of-int+)) -(deftype long () '(signed-byte #.+bits-of-long+)) -(deftype unsigned-long () '(unsigned-byte #.+bits-of-long+)) -(deftype short () '(signed-byte #.+bits-of-short+)) -(deftype unsigned-short () '(unsigned-byte #.+bits-of-short+)) -(deftype signed (&optional (size '*)) `(signed-byte ,size)) -(deftype unsigned (&optional (size '*)) `(unsigned-byte ,size)) -(deftype char () 'base-char) -(deftype pointer () 'system-area-pointer) -(deftype boolean (&optional (size '*)) (declare (ignore size)) t) -(deftype copy-of (type) type) - -(define-type-method alien-type ((type t)) - (error "No alien type corresponding to the type specifier ~A" type)) - -(define-type-method to-alien-form ((type t) form) - (declare (ignore form)) - (error "Not a valid type specifier for arguments: ~A" type)) - -(define-type-method to-alien-function ((type t)) - (error "Not a valid type specifier for arguments: ~A" type)) - -(define-type-method from-alien-form ((type t) form) - (declare (ignore form)) - (error "Not a valid type specifier for return values: ~A" type)) - -(define-type-method from-alien-function ((type t)) - (error "Not a valid type specifier for return values: ~A" type)) - -(define-type-method cleanup-form ((type t) form) - (declare (ignore form type)) - nil) - -(define-type-method cleanup-function ((type t)) - (declare (ignore type)) - #'identity) - -(define-type-method callback-from-alien-form ((type t) form) - (copy-from-alien-form type form)) - -(define-type-method callback-cleanup-form ((type t) form) - (declare (ignore form type)) - nil) - -(define-type-method destroy-function ((type t)) - (declare (ignore type)) - #'(lambda (location &optional offset) - (declare (ignore location offset)))) - -(define-type-method copy-to-alien-form ((type t) form) - (to-alien-form type form)) - -(define-type-method copy-to-alien-function ((type t)) - (to-alien-function type)) - -(define-type-method copy-from-alien-form ((type t) form) - (from-alien-form type form)) - -(define-type-method copy-from-alien-function ((type t)) - (from-alien-function type)) - - -(define-type-method to-alien-form ((type real) form) - (declare (ignore type)) - form) - -(define-type-method to-alien-function ((type real)) - (declare (ignore type)) - #'identity) - -(define-type-method from-alien-form ((type real) form) - (declare (ignore type)) - form) - -(define-type-method from-alien-function ((type real)) - (declare (ignore type)) - #'identity) - - -(define-type-method alien-type ((type integer)) - (declare (ignore type)) - (alien-type 'signed-byte)) - -(define-type-method size-of ((type integer)) - (declare (ignore type)) - (size-of 'signed-byte)) - -(define-type-method writer-function ((type integer)) - (declare (ignore type)) - (writer-function 'signed-byte)) - -(define-type-method reader-function ((type integer)) - (declare (ignore type)) - (reader-function 'signed-byte)) - - -(define-type-method alien-type ((type signed-byte)) - (destructuring-bind (&optional (size '*)) - (rest (mklist (type-expand-to 'signed-byte type))) - (ecase size - (#.+bits-of-byte+ #+cmu'(alien:signed 8) #+sbcl'(sb-alien:signed 8)) - (#.+bits-of-short+ #+cmu 'c-call:short #+sbcl 'sb-alien:short) - ((* #.+bits-of-int+) #+cmu 'c-call:int #+sbcl 'sb-alien:int) - (#.+bits-of-long+ #+cmu 'c-call:long #+sbcl 'sb-alien:long)))) - -(define-type-method size-of ((type signed-byte)) - (destructuring-bind (&optional (size '*)) - (rest (mklist (type-expand-to 'signed-byte type))) - (ecase size - (#.+bits-of-byte+ 1) - (#.+bits-of-short+ +size-of-short+) - ((* #.+bits-of-int+) +size-of-int+) - (#.+bits-of-long+ +size-of-long+)))) - -(define-type-method writer-function ((type signed-byte)) - (destructuring-bind (&optional (size '*)) - (rest (mklist (type-expand-to 'signed-byte type))) - (let ((size (if (eq size '*) +bits-of-int+ size))) - (ecase size - (8 #'(lambda (value location &optional (offset 0)) - (setf (signed-sap-ref-8 location offset) value))) - (16 #'(lambda (value location &optional (offset 0)) - (setf (signed-sap-ref-16 location offset) value))) - (32 #'(lambda (value location &optional (offset 0)) - (setf (signed-sap-ref-32 location offset) value))) - (64 #'(lambda (value location &optional (offset 0)) - (setf (signed-sap-ref-64 location offset) value))))))) - -(define-type-method reader-function ((type signed-byte)) - (destructuring-bind (&optional (size '*)) - (rest (mklist (type-expand-to 'signed-byte type))) - (let ((size (if (eq size '*) +bits-of-int+ size))) - (ecase size - (8 #'(lambda (sap &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (signed-sap-ref-8 sap offset))) - (16 #'(lambda (sap &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (signed-sap-ref-16 sap offset))) - (32 #'(lambda (sap &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (signed-sap-ref-32 sap offset))) - (64 #'(lambda (sap &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (signed-sap-ref-64 sap offset))))))) - - -(define-type-method alien-type ((type unsigned-byte)) - (destructuring-bind (&optional (size '*)) - (rest (mklist (type-expand-to 'unsigned-byte type))) - (ecase size - (#.+bits-of-byte+ #+cmu'(alien:unsigned 8) #+sbcl'(sb-alien:unsigned 8)) - (#.+bits-of-short+ #+cmu 'c-call:unsigned-short - #+sbcl 'sb-alien:unsigned-short) - ((* #.+bits-of-int+) #+cmu 'c-call:unsigned-int - #+sbcl 'sb-alien:unsigned-int) - (#.+bits-of-long+ #+cmu 'c-call:unsigned-long - #+sbcl 'sb-alien:unsigned-long)))) - - -(define-type-method size-of ((type unsigned-byte)) - (destructuring-bind (&optional (size '*)) - (rest (mklist (type-expand-to 'unsigned-byte type))) - (size-of `(signed ,size)))) - -(define-type-method writer-function ((type unsigned-byte)) - (destructuring-bind (&optional (size '*)) - (rest (mklist (type-expand-to 'unsigned-byte type))) - (let ((size (if (eq size '*) +bits-of-int+ size))) - (ecase size - (8 #'(lambda (value location &optional (offset 0)) - (setf (sap-ref-8 location offset) value))) - (16 #'(lambda (value location &optional (offset 0)) - (setf (sap-ref-16 location offset) value))) - (32 #'(lambda (value location &optional (offset 0)) - (setf (sap-ref-32 location offset) value))) - (64 #'(lambda (value location &optional (offset 0)) - (setf (sap-ref-64 location offset) value))))))) - -(define-type-method reader-function ((type unsigned-byte)) - (destructuring-bind (&optional (size '*)) - (rest (mklist (type-expand-to 'unsigned-byte type))) - (let ((size (if (eq size '*) +bits-of-int+ size))) - (ecase size - (8 #'(lambda (sap &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (sap-ref-8 sap offset))) - (16 #'(lambda (sap &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (sap-ref-16 sap offset))) - (32 #'(lambda (sap &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (sap-ref-32 sap offset))) - (64 #'(lambda (sap &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (sap-ref-64 sap offset))))))) - -(define-type-method alien-type ((type single-float)) - (declare (ignore type)) - #+cmu 'alien:single-float #+sbcl 'sb-alien:single-float) - -(define-type-method size-of ((type single-float)) - (declare (ignore type)) - +size-of-float+) - -(define-type-method to-alien-form ((type single-float) form) - (declare (ignore type)) - `(coerce ,form 'single-float)) - -(define-type-method to-alien-function ((type single-float)) - (declare (ignore type)) - #'(lambda (number) - (coerce number 'single-float))) - -(define-type-method writer-function ((type single-float)) - (declare (ignore type)) - #'(lambda (value location &optional (offset 0)) - (setf (sap-ref-single location offset) (coerce value 'single-float)))) - -(define-type-method reader-function ((type single-float)) - (declare (ignore type)) - #'(lambda (sap &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (sap-ref-single sap offset))) - - -(define-type-method alien-type ((type double-float)) - (declare (ignore type)) - #+cmu 'alien:double-float #+sbcl 'sb-alien:double-float) - -(define-type-method size-of ((type double-float)) - (declare (ignore type)) - +size-of-double+) - -(define-type-method to-alien-form ((type double-float) form) - (declare (ignore type)) - `(coerce ,form 'double-float)) - -(define-type-method to-alien-function ((type double-float)) - (declare (ignore type)) - #'(lambda (number) - (coerce number 'double-float))) - -(define-type-method writer-function ((type double-float)) - (declare (ignore type)) - #'(lambda (value location &optional (offset 0)) - (setf (sap-ref-double location offset) (coerce value 'double-float)))) - -(define-type-method reader-function ((type double-float)) - (declare (ignore type)) - #'(lambda (sap &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (sap-ref-double sap offset))) - - -(define-type-method alien-type ((type base-char)) - (declare (ignore type)) - #+cmu 'c-call:char #+sbcl 'sb-alien:char) - -(define-type-method size-of ((type base-char)) - (declare (ignore type)) - 1) - -(define-type-method to-alien-form ((type base-char) form) - (declare (ignore type)) - form) - -(define-type-method to-alien-function ((type base-char)) - (declare (ignore type)) - #'identity) - -(define-type-method from-alien-form ((type base-char) form) - (declare (ignore type)) - form) - -(define-type-method from-alien-function ((type base-char)) - (declare (ignore type)) - #'identity) - -(define-type-method writer-function ((type base-char)) - (declare (ignore type)) - #'(lambda (char location &optional (offset 0)) - (setf (sap-ref-8 location offset) (char-code char)))) - -(define-type-method reader-function ((type base-char)) - (declare (ignore type)) - #'(lambda (location &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (code-char (sap-ref-8 location offset)))) - - -(define-type-method alien-type ((type string)) - (declare (ignore type)) - (alien-type 'pointer)) - -(define-type-method size-of ((type string)) - (declare (ignore type)) - (size-of 'pointer)) - -(define-type-method to-alien-form ((type string) string) - (declare (ignore type)) - `(let ((string ,string)) - ;; Always copy strings to prevent seg fault due to GC - #+cmu - (copy-memory - (vector-sap (coerce string 'simple-base-string)) - (1+ (length string))) - #+sbcl - (let ((utf8 (%deport-utf8-string string))) - (copy-memory (vector-sap utf8) (length utf8))))) - -(define-type-method to-alien-function ((type string)) - (declare (ignore type)) - #'(lambda (string) - #+cmu - (copy-memory - (vector-sap (coerce string 'simple-base-string)) - (1+ (length string))) - #+sbcl - (let ((utf8 (%deport-utf8-string string))) - (copy-memory (vector-sap utf8) (length utf8))))) - -(define-type-method from-alien-form ((type string) string) - (declare (ignore type)) - `(let ((string ,string)) - (unless (null-pointer-p string) - (prog1 - #+cmu(%naturalize-c-string string) - #+sbcl(%naturalize-utf8-string string) - (deallocate-memory string))))) - -(define-type-method from-alien-function ((type string)) - (declare (ignore type)) - #'(lambda (string) - (unless (null-pointer-p string) - (prog1 - #+cmu(%naturalize-c-string string) - #+sbcl(%naturalize-utf8-string string) - (deallocate-memory string))))) - -(define-type-method cleanup-form ((type string) string) - (declare (ignore type)) - `(let ((string ,string)) - (unless (null-pointer-p string) - (deallocate-memory string)))) - -(define-type-method cleanup-function ((type string)) - (declare (ignore type)) - #'(lambda (string) - (unless (null-pointer-p string) - (deallocate-memory string)))) - -(define-type-method copy-from-alien-form ((type string) string) - (declare (ignore type)) - `(let ((string ,string)) - (unless (null-pointer-p string) - #+cmu(%naturalize-c-string string) - #+sbcl(%naturalize-utf8-string string)))) - -(define-type-method copy-from-alien-function ((type string)) - (declare (ignore type)) - #'(lambda (string) - (unless (null-pointer-p string) - #+cmu(%naturalize-c-string string) - #+sbcl(%naturalize-utf8-string string)))) - -(define-type-method writer-function ((type string)) - (declare (ignore type)) - #'(lambda (string location &optional (offset 0)) - (assert (null-pointer-p (sap-ref-sap location offset))) - (setf (sap-ref-sap location offset) - #+cmu - (copy-memory - (vector-sap (coerce string 'simple-base-string)) - (1+ (length string))) - #+sbcl - (let ((utf8 (%deport-utf8-string string))) - (copy-memory (vector-sap utf8) (length utf8)))))) - -(define-type-method reader-function ((type string)) - (declare (ignore type)) - #'(lambda (location &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (unless (null-pointer-p (sap-ref-sap location offset)) - #+cmu(%naturalize-c-string (sap-ref-sap location offset)) - #+sbcl(%naturalize-utf8-string (sap-ref-sap location offset))))) - -(define-type-method destroy-function ((type string)) - (declare (ignore type)) - #'(lambda (location &optional (offset 0)) - (unless (null-pointer-p (sap-ref-sap location offset)) - (deallocate-memory (sap-ref-sap location offset)) - (setf (sap-ref-sap location offset) (make-pointer 0))))) - -(define-type-method unbound-value ((type string)) - (declare (ignore type)) - nil) - - -(define-type-method alien-type ((type pathname)) - (declare (ignore type)) - (alien-type 'string)) - -(define-type-method size-of ((type pathname)) - (declare (ignore type)) - (size-of 'string)) - -(define-type-method to-alien-form ((type pathname) path) - (declare (ignore type)) - (to-alien-form 'string `(namestring (translate-logical-pathname ,path)))) - -(define-type-method to-alien-function ((type pathname)) - (declare (ignore type)) - (let ((string-function (to-alien-function 'string))) - #'(lambda (path) - (funcall string-function (namestring path))))) - -(define-type-method from-alien-form ((type pathname) string) - (declare (ignore type)) - `(parse-namestring ,(from-alien-form 'string string))) - -(define-type-method from-alien-function ((type pathname)) - (declare (ignore type)) - (let ((string-function (from-alien-function 'string))) - #'(lambda (string) - (parse-namestring (funcall string-function string))))) - -(define-type-method cleanup-form ((type pathnanme) string) - (declare (ignore type)) - (cleanup-form 'string string)) - -(define-type-method cleanup-function ((type pathnanme)) - (declare (ignore type)) - (cleanup-function 'string)) - -(define-type-method writer-function ((type pathname)) - (declare (ignore type)) - (let ((string-writer (writer-function 'string))) - #'(lambda (path location &optional (offset 0)) - (funcall string-writer (namestring path) location offset)))) - -(define-type-method reader-function ((type pathname)) - (declare (ignore type)) - (let ((string-reader (reader-function 'string))) - #'(lambda (location &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (let ((string (funcall string-reader location offset))) - (when string - (parse-namestring string)))))) - -(define-type-method destroy-function ((type pathname)) - (declare (ignore type)) - (destroy-function 'string)) - -(define-type-method unbound-value ((type pathname)) - (declare (ignore type)) - (unbound-value 'string)) - - -(define-type-method alien-type ((type boolean)) - (destructuring-bind (&optional (size '*)) - (rest (mklist (type-expand-to 'boolean type))) - (alien-type `(signed-byte ,size)))) - -(define-type-method size-of ((type boolean)) - (destructuring-bind (&optional (size '*)) - (rest (mklist (type-expand-to 'boolean type))) - (size-of `(signed-byte ,size)))) - -(define-type-method to-alien-form ((type boolean) boolean) - (declare (ignore type)) - `(if ,boolean 1 0)) - -(define-type-method to-alien-function ((type boolean)) - (declare (ignore type)) - #'(lambda (boolean) - (if boolean 1 0))) - -(define-type-method from-alien-form ((type boolean) boolean) - (declare (ignore type)) - `(not (zerop ,boolean))) - -(define-type-method from-alien-function ((type boolean)) - (declare (ignore type)) - #'(lambda (boolean) - (not (zerop boolean)))) - -(define-type-method writer-function ((type boolean)) - (destructuring-bind (&optional (size '*)) - (rest (mklist (type-expand-to 'boolean type))) - (let ((writer (writer-function `(signed-byte ,size)))) - #'(lambda (boolean location &optional (offset 0)) - (funcall writer (if boolean 1 0) location offset))))) - -(define-type-method reader-function ((type boolean)) - (destructuring-bind (&optional (size '*)) - (rest (mklist (type-expand-to 'boolean type))) - (let ((reader (reader-function `(signed-byte ,size)))) - #'(lambda (location &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (not (zerop (funcall reader location offset))))))) - - -(define-type-method alien-type ((type or)) - (let* ((expanded-type (type-expand-to 'or type)) - (alien-type (alien-type (second expanded-type)))) - (unless (every #'(lambda (type) - (eq alien-type (alien-type type))) - (cddr expanded-type)) - (error "No common alien type specifier for union type: ~A" type)) - alien-type)) - -(define-type-method size-of ((type or)) - (size-of (second (type-expand-to 'or type)))) - -(define-type-method to-alien-form ((type or) form) - `(let ((value ,form)) - (etypecase value - ,@(mapcar - #'(lambda (type) - `(,type ,(to-alien-form type 'value))) - (rest (type-expand-to 'or type)))))) - -(define-type-method to-alien-function ((type or)) - (let* ((expanded-type (type-expand-to 'or type)) - (functions (mapcar #'to-alien-function (rest expanded-type)))) - #'(lambda (value) - (loop - for function in functions - for alt-type in (rest expanded-type) - when (typep value alt-type) - do (return (funcall function value)) - finally (error "~S is not of type ~A" value type))))) - - -(define-type-method alien-type ((type pointer)) - (declare (ignore type)) - 'system-area-pointer) - -(define-type-method size-of ((type pointer)) - (declare (ignore type)) - +size-of-pointer+) - -(define-type-method to-alien-form ((type pointer) form) - (declare (ignore type)) - form) - -(define-type-method to-alien-function ((type pointer)) - (declare (ignore type)) - #'identity) - -(define-type-method from-alien-form ((type pointer) form) - (declare (ignore type)) - form) - -(define-type-method from-alien-function ((type pointer)) - (declare (ignore type)) - #'identity) - -(define-type-method writer-function ((type pointer)) - (declare (ignore type)) - #'(lambda (sap location &optional (offset 0)) - (setf (sap-ref-sap location offset) sap))) - -(define-type-method reader-function ((type pointer)) - (declare (ignore type)) - #'(lambda (location &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (sap-ref-sap location offset))) - - -(define-type-method alien-type ((type null)) - (declare (ignore type)) - (alien-type 'pointer)) - -(define-type-method size-of ((type null)) - (declare (ignore type)) - (size-of 'pointer)) - -(define-type-method to-alien-form ((type null) null) - (declare (ignore null type)) - `(make-pointer 0)) - -(define-type-method to-alien-function ((type null)) - (declare (ignore type)) - #'(lambda (null) - (declare (ignore null)) - (make-pointer 0))) - - -(define-type-method alien-type ((type nil)) - (declare (ignore type)) - 'void) - -(define-type-method from-alien-function ((type nil)) - (declare (ignore type)) - #'(lambda (value) - (declare (ignore value)) - (values))) - -(define-type-method to-alien-form ((type nil) form) - (declare (ignore type)) - form) - - -(define-type-method to-alien-form ((type copy-of) form) - (copy-to-alien-form (second (type-expand-to 'copy-of type)) form)) - -(define-type-method to-alien-function ((type copy-of)) - (copy-to-alien-function (second (type-expand-to 'copy-of type)))) - -(define-type-method from-alien-form ((type copy-of) form) - (copy-from-alien-form (second (type-expand-to 'copy-of type)) form)) - -(define-type-method from-alien-function ((type copy-of)) - (copy-from-alien-function (second (type-expand-to 'copy-of type)))) - -(define-type-method cleanup-function ((type copy-of)) - (declare (ignore type)) - #'identity) - -(define-type-method destroy-function ((type copy-of)) - (declare (ignore type)) - #'(lambda (location &optional offset) - (declare (ignore location offset)))) - - -(define-type-method alien-type ((type callback)) - (declare (ignore type)) - (alien-type 'pointer)) - -(define-type-method to-alien-form ((type callback) callback) - (declare (ignore type )) - `(callback-address ,callback)) diff --git a/glib/pcl.lisp b/glib/pcl.lisp deleted file mode 100644 index 334fc28..0000000 --- a/glib/pcl.lisp +++ /dev/null @@ -1,121 +0,0 @@ -;;; ************************************************************************* -;;; Copyright (c) 1985, 1986, 1987, 1988, 1989, 1990 Xerox Corporation. -;;; All rights reserved. -;;; -;;; Use and copying of this software and preparation of derivative works -;;; based upon this software are permitted. Any distribution of this -;;; software or derivative works must comply with all applicable United -;;; States export control laws. -;;; -;;; This software is made available AS IS, and Xerox Corporation makes no -;;; warranty about the software, its performance or its conformity to any -;;; specification. -;;; -;;; Any person obtaining a copy of this software is requested to send their -;;; name and post office or electronic mail address to: -;;; CommonLoops Coordinator -;;; Xerox PARC -;;; 3333 Coyote Hill Rd. -;;; Palo Alto, CA 94304 -;;; (or send Arpanet mail to CommonLoops-Coordinator.pa@Xerox.arpa) -;;; -;;; Suggestions, comments and requests for improvements are also welcome. -;;; ************************************************************************* -;;; - -;;; Modifications for better AMOP conformance -;;; by Espen S. Johnsen - - -(eval-when (:compile-toplevel :load-toplevel :execute) - (setf (ext:package-lock (find-package "PCL")) nil)) - -(in-package "PCL") - -(defstruct slot-info - (name nil :type symbol) - ;; - ;; Specified slot allocation.or :INSTANCE. - (allocation :instance :type (or (member :class :instance) t)) - ;; - ;; Specified slot type or T. - (type t :type (or symbol list))) - - -(defmethod compute-slots :around ((class standard-class)) - (loop with slotds = (call-next-method) and location = -1 - for slot in slotds do - (setf (slot-definition-location slot) - (case (slot-definition-allocation slot) - (:instance - (incf location)) - (:class - (let* ((name (slot-definition-name slot)) - (from-class (slot-definition-allocation-class slot)) - (cell (assq name (class-slot-cells from-class)))) - (assert (consp cell)) - cell)))) - (initialize-internal-slot-functions slot) - finally - (return slotds))) - - - -(defun update-slots (class eslotds) - (collect ((instance-slots) (class-slots)) - (dolist (eslotd eslotds) - (case (slot-definition-allocation eslotd) - (:instance (instance-slots eslotd)) - (:class (class-slots eslotd)))) - ;; - ;; If there is a change in the shape of the instances then the - ;; old class is now obsolete. - (let* ((nlayout (mapcar #'slot-definition-name - (sort (instance-slots) #'< - :key #'slot-definition-location))) - (nslots (length nlayout)) - (nwrapper-class-slots (compute-class-slots (class-slots))) - (owrapper (when (class-finalized-p class) - (class-wrapper class))) - (olayout (when owrapper - (wrapper-instance-slots-layout owrapper))) - (nwrapper - (cond ((null owrapper) - (make-wrapper nslots class)) - ;; - ;; We cannot reuse the old wrapper easily when it - ;; has class slot cells, even if these cells are - ;; EQUAL to the ones used in the new wrapper. The - ;; class slot cells of OWRAPPER may be referenced - ;; from caches, and if we don't change the wrapper, - ;; the caches won't notice that something has - ;; changed. We could do something here manually, - ;; but I don't think it's worth it. - ((and (equal nlayout olayout) - (null (wrapper-class-slots owrapper))) - owrapper) - (t - ;; - ;; This will initialize the new wrapper to have the same - ;; state as the old wrapper. We will then have to change - ;; that. This may seem like wasted work (it is), but the - ;; spec requires that we call make-instances-obsolete. - (make-instances-obsolete class) - (class-wrapper class))))) - - (with-slots (wrapper slots finalized-p) class - (update-lisp-class-layout class nwrapper) - (setf slots eslotds - (wrapper-instance-slots-layout nwrapper) nlayout - (wrapper-class-slots nwrapper) nwrapper-class-slots - (wrapper-no-of-instance-slots nwrapper) nslots - wrapper nwrapper - finalized-p t)) - - (unless (eq owrapper nwrapper) - (update-inline-access class) - (update-pv-table-cache-info class) - (maybe-update-standard-class-locations class))))) - - -(pushnew :non-broken-pcl *features*) diff --git a/glib/proxy.lisp b/glib/proxy.lisp deleted file mode 100644 index f43b806..0000000 --- a/glib/proxy.lisp +++ /dev/null @@ -1,699 +0,0 @@ -;; Common Lisp bindings for GTK+ v2.x -;; Copyright 2000-2005 Espen S. Johnsen -;; -;; 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: -;; -;; The above copyright notice and this permission notice shall be -;; included in all copies or substantial portions of the Software. -;; -;; 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 1.39 2006-03-06 14:28:03 espen Exp $ - -(in-package "GLIB") - -;;;; Superclass for all metaclasses implementing some sort of virtual slots - -(eval-when (:compile-toplevel :load-toplevel :execute) - (defclass virtual-slots-class (standard-class) - ()) - - (defclass direct-virtual-slot-definition (standard-direct-slot-definition) - ((setter :reader slot-definition-setter :initarg :setter) - (getter :reader slot-definition-getter :initarg :getter) - (unbound :reader slot-definition-unbound :initarg :unbound) - (boundp :reader slot-definition-boundp :initarg :boundp))) - - (defclass effective-virtual-slot-definition (standard-effective-slot-definition) - ((setter :reader slot-definition-setter :initarg :setter) - (getter :reader slot-definition-getter :initarg :getter) - (unbound :reader slot-definition-unbound :initarg :unbound) - (boundp :reader slot-definition-boundp :initarg :boundp))) - - (defclass direct-special-slot-definition (standard-direct-slot-definition) - ((special :initarg :special :accessor slot-definition-special))) - - (defclass effective-special-slot-definition (standard-effective-slot-definition) - ((special :initarg :special :accessor slot-definition-special)))) - -(defvar *unbound-marker* (gensym "UNBOUND-MARKER-")) - -(defun most-specific-slot-value (instances slot &optional (default *unbound-marker*)) - (let ((object (find-if - #'(lambda (ob) - (and (slot-exists-p ob slot) (slot-boundp ob slot))) - instances))) - (if object - (slot-value object slot) - default))) - - -(defmethod direct-slot-definition-class ((class virtual-slots-class) &rest initargs) - (cond - ((eq (getf initargs :allocation) :virtual) - (find-class 'direct-virtual-slot-definition)) - ((getf initargs :special) - (find-class 'direct-special-slot-definition)) - (t (call-next-method)))) - -(defmethod effective-slot-definition-class ((class virtual-slots-class) &rest initargs) - (cond - ((eq (getf initargs :allocation) :virtual) - (find-class 'effective-virtual-slot-definition)) - ((getf initargs :special) - (find-class 'effective-special-slot-definition)) - (t (call-next-method)))) - - -(defmethod initialize-internal-slot-functions ((slotd effective-virtual-slot-definition)) - (if (not (slot-boundp slotd 'getter)) - (setf - (slot-value slotd 'reader-function) - #'(lambda (object) - (declare (ignore object)) - (error "Slot is not readable: ~A" (slot-definition-name slotd))) - (slot-value slotd 'boundp-function) - #'(lambda (object) (declare (ignore object)) nil)) - - (let ((getter-function - (let ((getter (slot-value slotd 'getter))) - (etypecase getter - (function getter) - (symbol - #'(lambda (object) - (funcall getter object))) - (string - (let ((reader nil)) - (setf (slot-value slotd 'reader-function) - #'(lambda (object) - (unless reader - (setq reader - (mkbinding getter - (slot-definition-type slotd) 'pointer))) - (funcall reader (foreign-location object)))))))))) - - (setf - (slot-value slotd 'boundp-function) - (cond - ((slot-boundp slotd 'unbound) - (let ((unbound-value (slot-value slotd 'unbound))) - #'(lambda (object) - (not (eq (funcall getter-function object) unbound-value))))) - ((slot-boundp slotd 'boundp) - (let ((boundp (slot-value slotd 'boundp))) - (etypecase boundp - (function boundp) - (symbol #'(lambda (object) - (funcall boundp object))) - (string (let ((reader ())) - #'(lambda (object) - (unless reader - (setq reader - (mkbinding boundp - (slot-definition-type slotd) 'pointer))) - (funcall reader (foreign-location object)))))))) - ((let ((unbound-value-method - (find-applicable-type-method 'unbound-value - (slot-definition-type slotd) nil))) - (when unbound-value-method - (let ((unbound-value - (funcall unbound-value-method (slot-definition-type slotd)))) - #'(lambda (object) - (not (eq (funcall getter-function object) unbound-value))))))) - (#'(lambda (object) (declare (ignore object)) t)))) - - (setf - (slot-value slotd 'reader-function) - (cond - ((slot-boundp slotd 'unbound) - (let ((unbound (slot-value slotd 'unbound)) - (slot-name (slot-definition-name slotd))) - #'(lambda (object) - (let ((value (funcall getter-function object))) - (if (eq value unbound) - (slot-unbound (class-of object) object slot-name) - value))))) - ((slot-boundp slotd 'boundp) - (let ((boundp-function (slot-value slotd 'boundp-function))) - #'(lambda (object) - (and - (funcall boundp-function object) - (funcall getter-function object))))) - ((let ((unbound-value-method - (find-applicable-type-method 'unbound-value - (slot-definition-type slotd) nil))) - (when unbound-value-method - (let ((unbound-value - (funcall unbound-value-method (slot-definition-type slotd))) - (slot-name (slot-definition-name slotd))) - #'(lambda (object) - (let ((value (funcall getter-function object))) - (if (eq value unbound-value) - (slot-unbound (class-of object) object slot-name) - value))))))) - (getter-function))))) - - (setf - (slot-value slotd 'writer-function) - (if (not (slot-boundp slotd 'setter)) - #'(lambda (value object) - (declare (ignore value object)) - (error "Slot is not writable: ~A" (slot-definition-name slotd))) - (with-slots (setter) slotd - (etypecase setter - (function setter) - ((or symbol cons) - #'(lambda (value object) - (funcall (fdefinition setter) value object))) - (string - (let ((writer ())) - (setf - (slot-value slotd 'writer-function) - #'(lambda (value object) - (unless writer - (setq writer - (mkbinding setter 'nil 'pointer - (slot-definition-type slotd)))) - (funcall writer (foreign-location object) value))))))))) - - #-sbcl>=0.9.8(initialize-internal-slot-gfs (slot-definition-name slotd))) - - - -(defmethod compute-slot-accessor-info ((slotd effective-virtual-slot-definition) type gf) - nil) - -(defmethod compute-effective-slot-definition-initargs ((class virtual-slots-class) direct-slotds) - (typecase (first direct-slotds) - (direct-virtual-slot-definition - (let ((initargs ())) - (let ((getter (most-specific-slot-value direct-slotds 'getter))) - (unless (eq getter *unbound-marker*) - (setf (getf initargs :getter) getter))) - (let ((setter (most-specific-slot-value direct-slotds 'setter))) - (unless (eq setter *unbound-marker*) - (setf (getf initargs :setter) setter))) - (let ((unbound (most-specific-slot-value direct-slotds 'unbound))) - (unless (eq unbound *unbound-marker*) - (setf (getf initargs :unbound) unbound))) - (let ((boundp (most-specific-slot-value direct-slotds 'boundp))) - (unless (eq boundp *unbound-marker*) - (setf (getf initargs :boundp) boundp))) - ;; This is needed to avoid type expansion in SBCL version >= 0.9.8 - #+sbcl>=0.9.8 - (let ((type (most-specific-slot-value direct-slotds #-sbcl>=0.9.10'type #+sbcl>=0.9.10'sb-pcl::%type))) - (unless (eq type *unbound-marker*) - (setf (getf initargs :type) type))) - (nconc initargs (call-next-method)))) - (direct-special-slot-definition - (append '(:special t) (call-next-method))) - (t (call-next-method)))) - - -(defmethod slot-value-using-class - ((class virtual-slots-class) (object standard-object) - (slotd effective-virtual-slot-definition)) - (if (funcall (slot-value slotd 'boundp-function) object) - (funcall (slot-value slotd 'reader-function) object) - (slot-unbound class object (slot-definition-name slotd)))) - -(defmethod slot-boundp-using-class - ((class virtual-slots-class) (object standard-object) - (slotd effective-virtual-slot-definition)) - (funcall (slot-value slotd 'boundp-function) object)) - -(defmethod (setf slot-value-using-class) - (value (class virtual-slots-class) (object standard-object) - (slotd effective-virtual-slot-definition)) - (funcall (slot-value slotd 'writer-function) value object)) - - -(defmethod validate-superclass - ((class virtual-slots-class) (super standard-class)) - t) - - -(defmethod slot-definition-special ((slotd standard-direct-slot-definition)) - (declare (ignore slotd)) - nil) - -(defmethod slot-definition-special ((slotd standard-effective-slot-definition)) - (declare (ignore slotd)) - nil) - - -;;;; Proxy cache - -(defvar *instance-cache* (make-hash-table :test #'eql)) - -(defun cache-instance (instance &optional (weak-ref t)) - (setf - (gethash (sap-int (foreign-location instance)) *instance-cache*) - (if weak-ref - (make-weak-pointer instance) - instance))) - -(defun find-cached-instance (location) - (let ((ref (gethash (sap-int location) *instance-cache*))) - (when ref - (if (weak-pointer-p ref) - (weak-pointer-value ref) - ref)))) - -(defun instance-cached-p (location) - (gethash (sap-int location) *instance-cache*)) - -(defun remove-cached-instance (location) - (remhash (sap-int location) *instance-cache*)) - -;; For debuging -(defun list-cached-instances () - (let ((instances ())) - (maphash #'(lambda (location ref) - (declare (ignore location)) - (push ref instances)) - *instance-cache*) - instances)) - -;; Instances that gets invalidated tend to be short lived, but created -;; in large numbers. So we're keeping them in a hash table to be able -;; to reuse them (and thus reduce consing) -(defvar *invalidated-instance-cache* (make-hash-table :test #'eql)) - -(defun cache-invalidated-instance (instance) - (push instance - (gethash (class-of instance) *invalidated-instance-cache*))) - -(defun find-invalidated-instance (class) - (when (gethash class *invalidated-instance-cache*) - (pop (gethash class *invalidated-instance-cache*)))) - -(defun list-invalidated-instances () - (let ((instances ())) - (maphash #'(lambda (location ref) - (declare (ignore location)) - (push ref instances)) - *invalidated-instance-cache*) - instances)) - - - -;;;; Proxy for alien instances - -;; TODO: add a ref-counted-proxy subclass -(defclass proxy () - ((location :special t :type pointer)) - (:metaclass virtual-slots-class)) - -(defgeneric instance-finalizer (object)) -(defgeneric reference-foreign (class location)) -(defgeneric unreference-foreign (class location)) -(defgeneric invalidate-instance (object)) -(defgeneric allocate-foreign (object &key &allow-other-keys)) - -(defun foreign-location (instance) - (slot-value instance 'location)) - -(defun (setf foreign-location) (location instance) - (setf (slot-value instance 'location) location)) - -(defun proxy-valid-p (instance) - (slot-boundp instance 'location)) - -(defmethod reference-foreign ((name symbol) location) - (reference-foreign (find-class name) location)) - -(defmethod unreference-foreign ((name symbol) location) - (unreference-foreign (find-class name) location)) - -(defmethod unreference-foreign :around ((class class) location) - (unless (null-pointer-p location) - (call-next-method))) - -(defmethod print-object ((instance proxy) stream) - (print-unreadable-object (instance stream :type t :identity nil) - (if (slot-boundp instance 'location) - (format stream "at 0x~X" (sap-int (foreign-location instance))) - (write-string "at " stream)))) - -(defmethod initialize-instance :around ((instance proxy) &rest initargs &key &allow-other-keys) - (setf - (foreign-location instance) - (apply #'allocate-foreign instance initargs)) - (prog1 - (call-next-method) - (cache-instance instance) - (finalize instance (instance-finalizer instance)))) - -(defmethod instance-finalizer ((instance proxy)) - (let ((location (foreign-location instance)) - (class (class-of instance))) -;; (unless (find-method #'unreference-foreign nil (list (class-of class) t) nil) -;; (error "No matching method for UNREFERENCE-INSTANCE when called with class ~A" class)) - #'(lambda () - (remove-cached-instance location) - (unreference-foreign class location)))) - -;; Any reference to the foreign object the instance may have held -;; should be released before this method is invoked -(defmethod invalidate-instance ((instance proxy)) - (remove-cached-instance (foreign-location instance)) - (slot-makunbound instance 'location) - (cancel-finalization instance) - (cache-invalidated-instance instance)) - - -;;;; Metaclass used for subclasses of proxy - -(defgeneric most-specific-proxy-superclass (class)) -(defgeneric direct-proxy-superclass (class)) - - -(eval-when (:compile-toplevel :load-toplevel :execute) - (defclass proxy-class (virtual-slots-class) - ((size :reader foreign-size))) - - (defclass direct-alien-slot-definition (direct-virtual-slot-definition) - ((offset :reader slot-definition-offset :initarg :offset)) - (:default-initargs :allocation :alien)) - - (defclass effective-alien-slot-definition (effective-virtual-slot-definition) - ((offset :reader slot-definition-offset :initarg :offset))) - - (defmethod most-specific-proxy-superclass ((class proxy-class)) - (find-if - #'(lambda (class) - (subtypep (class-name class) 'proxy)) - (cdr (compute-class-precedence-list class)))) - - (defmethod direct-proxy-superclass ((class proxy-class)) - (find-if - #'(lambda (class) - (subtypep (class-name class) 'proxy)) - (class-direct-superclasses class))) - - (defmethod shared-initialize ((class proxy-class) names &key size) - (call-next-method) - (cond - (size (setf (slot-value class 'size) (first size))) - ((slot-boundp class 'size) (slot-makunbound class 'size)))) - - (defmethod direct-slot-definition-class ((class proxy-class) &rest initargs) - (case (getf initargs :allocation) - (:alien (find-class 'direct-alien-slot-definition)) - (t (call-next-method)))) - - (defmethod effective-slot-definition-class ((class proxy-class) &rest initargs) - (case (getf initargs :allocation) - (:alien (find-class 'effective-alien-slot-definition)) - (t (call-next-method)))) - - - (defmethod compute-effective-slot-definition-initargs ((class proxy-class) direct-slotds) - (if (eq (slot-definition-allocation (first direct-slotds)) :alien) - (nconc - (list :offset (most-specific-slot-value direct-slotds 'offset)) - (call-next-method)) - (call-next-method))) - - - (defmethod initialize-internal-slot-functions ((slotd effective-alien-slot-definition)) - (with-slots (offset) slotd - (let ((type (slot-definition-type slotd))) - (unless (slot-boundp slotd 'getter) - (let ((reader (reader-function type))) - (setf - (slot-value slotd 'getter) - #'(lambda (object) - (funcall reader (foreign-location object) offset))))) - - (unless (slot-boundp slotd 'setter) - (let ((writer (writer-function type)) - (destroy (destroy-function type))) - (setf - (slot-value slotd 'setter) - #'(lambda (value object) - (let ((location (foreign-location object))) - (funcall destroy location offset) ; destroy old value - (funcall writer value location offset)))))))) - - (call-next-method)) - - (defconstant +struct-alignmen+ - #+sbcl (/ (sb-alien-internals:alien-type-alignment - (sb-alien-internals:parse-alien-type - 'system-area-pointer nil)) - 8) - #-sbcl 4) - - (defun align-offset (size) - (if (zerop (mod size +struct-alignmen+)) - size - (+ size (- +struct-alignmen+ (mod size +struct-alignmen+))))) - - (defmethod compute-slots ((class proxy-class)) - (let ((alien-slots - (remove-if-not - #'(lambda (slotd) - (eq (slot-definition-allocation slotd) :alien)) - (class-direct-slots class)))) - (when alien-slots - (loop - as offset = (align-offset (foreign-size - (most-specific-proxy-superclass class))) - then (align-offset - (+ - (slot-definition-offset slotd) - (size-of (slot-definition-type slotd)))) - for slotd in alien-slots - unless (slot-boundp slotd 'offset) - do (setf (slot-value slotd 'offset) offset)))) - (call-next-method)) - - (defmethod validate-superclass ((class proxy-class) (super standard-class)) - (subtypep (class-name super) 'proxy)) - - (defmethod foreign-size ((class-name symbol)) - (foreign-size (find-class class-name)))) - -(defmethod foreign-size ((object proxy)) - (foreign-size (class-of object))) - - -(define-type-method alien-type ((class proxy)) - (declare (ignore class)) - (alien-type 'pointer)) - -(define-type-method size-of ((class proxy)) - (declare (ignore class)) - (size-of 'pointer)) - -(define-type-method from-alien-form ((type proxy) location) - (let ((class (type-expand type))) - `(ensure-proxy-instance ',class ,location))) - -(define-type-method from-alien-function ((type proxy)) - (let ((class (type-expand type))) - #'(lambda (location) - (ensure-proxy-instance class location)))) - -(define-type-method to-alien-form ((type proxy) instance) - (declare (ignore type)) - `(foreign-location ,instance)) - -(define-type-method to-alien-function ((type proxy)) - (declare (ignore type)) - #'foreign-location) - -(define-type-method copy-from-alien-form ((type proxy) location) - (let ((class (type-expand type))) - `(ensure-proxy-instance ',class (reference-foreign ',class ,location)))) - -(define-type-method copy-from-alien-function ((type proxy)) - (let ((class (type-expand type))) - #'(lambda (location) - (ensure-proxy-instance class (reference-foreign class location))))) - -(define-type-method copy-to-alien-form ((type proxy) instance) - (let ((class (type-expand type))) - `(reference-foreign ',class (foreign-location ,instance)))) - -(define-type-method copy-to-alien-function ((type proxy)) - (let ((class (type-expand type))) - #'(lambda (instance) - (reference-foreign class (foreign-location instance))))) - -(define-type-method writer-function ((type proxy)) - (let ((class (type-expand type))) - #'(lambda (instance location &optional (offset 0)) - (assert (null-pointer-p (sap-ref-sap location offset))) - (setf - (sap-ref-sap location offset) - (reference-foreign class (foreign-location instance)))))) - -(define-type-method reader-function ((type proxy)) - (let ((class (type-expand type))) - #'(lambda (location &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (let ((instance (sap-ref-sap location offset))) - (unless (null-pointer-p instance) - (ensure-proxy-instance class (reference-foreign class instance))))))) - -(define-type-method destroy-function ((type proxy)) - (let ((class (type-expand type))) - #'(lambda (location &optional (offset 0)) - (unreference-foreign class (sap-ref-sap location offset))))) - -(define-type-method unbound-value ((type proxy)) - (declare (ignore type)) - nil) - -(defun ensure-proxy-instance (class location &rest initargs) - "Returns a proxy object representing the foreign object at the give -location. If an existing object is not found in the cache -MAKE-PROXY-INSTANCE is called to create one." - (unless (null-pointer-p location) - (or - #-debug-ref-counting(find-cached-instance location) - #+debug-ref-counting - (let ((instance (find-cached-instance location))) - (when instance - (format t "Object found in cache: ~A~%" instance) - instance)) - (let ((instance (apply #'make-proxy-instance class location initargs))) - (cache-instance instance) - instance)))) - -(defgeneric make-proxy-instance (class location &key weak) - (:documentation "Creates a new proxy object representing the foreign -object at the give location. If WEAK is non NIL the foreign memory -will not be released when the proxy is garbage collected.")) - -(defmethod make-proxy-instance ((class symbol) location &rest initargs) - (apply #'make-proxy-instance (find-class class) location initargs)) - -(defmethod make-proxy-instance ((class proxy-class) location &key weak) - (let ((instance - (or - (find-invalidated-instance class) - (allocate-instance class)))) - (setf (foreign-location instance) location) - (unless weak - (finalize instance (instance-finalizer instance))) - instance)) - - -;;;; Superclasses for wrapping of C structures - -(defclass struct (proxy) - () - (:metaclass proxy-class) - (:size 0)) - -(defmethod allocate-foreign ((struct struct) &rest initargs) - (declare (ignore initargs)) - (let ((size (foreign-size (class-of struct)))) - (if (zerop size) - (error "~A has zero size" (class-of struct)) - (allocate-memory size)))) - - -;;;; Metaclasses used for subclasses of struct - -(eval-when (:compile-toplevel :load-toplevel :execute) - (defclass struct-class (proxy-class) - ())) - -(defmethod direct-slot-definition-class ((class struct-class) &rest initargs) - (if (not (getf initargs :allocation)) - (find-class 'direct-alien-slot-definition) - (call-next-method))) - -(defmethod reference-foreign ((class struct-class) location) - (copy-memory location (foreign-size class))) - -(defmethod unreference-foreign ((class struct-class) location) - (deallocate-memory location)) - -(defmethod compute-slots :around ((class struct-class)) - (let ((slots (call-next-method))) - (when (and - #-sbcl>=0.9.8(class-finalized-p class) - (not (slot-boundp class 'size))) - (let ((size (loop - for slotd in slots - when (eq (slot-definition-allocation slotd) :alien) - maximize (+ - (slot-definition-offset slotd) - (size-of (slot-definition-type slotd)))))) - (setf (slot-value class 'size) (+ size (mod size +struct-alignmen+))))) - slots)) - -(define-type-method callback-from-alien-form ((type struct) form) - (let ((class (type-expand type))) - `(ensure-proxy-instance ',class ,form :weak t))) - -(define-type-method callback-cleanup-form ((type struct) form) - (declare (ignore type)) - `(invalidate-instance ,form)) - -(define-type-method reader-function ((type struct)) - (let ((class (type-expand type))) - #'(lambda (location &optional (offset 0) weak-p) - (let ((instance (sap-ref-sap location offset))) - (unless (null-pointer-p instance) - (if weak-p - (ensure-proxy-instance class instance :weak t) - (ensure-proxy-instance class (reference-foreign class instance)))))))) - - -(defclass static-struct-class (struct-class) - ()) - -(defmethod reference-foreign ((class static-struct-class) location) - (declare (ignore 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 - -(deftype inlined (type) type) - -(define-type-method size-of ((type inlined)) - (let ((class (second (type-expand-to 'inlined type)))) - (foreign-size class))) - -(define-type-method reader-function ((type inlined)) - (let ((class (second (type-expand-to 'inlined type)))) - #'(lambda (location &optional (offset 0) weak-p) - (declare (ignore weak-p)) - (ensure-proxy-instance class - (reference-foreign class (sap+ location offset)))))) - -(define-type-method writer-function ((type inlined)) - (let ((class (second (type-expand-to 'inlined type)))) - #'(lambda (instance location &optional (offset 0)) - (copy-memory (foreign-location instance) (foreign-size class) (sap+ location offset))))) - -(define-type-method destroy-function ((type inlined)) - (declare (ignore type)) - #'(lambda (location &optional offset) - (declare (ignore location offset)))) - - -(export 'inlined) diff --git a/glib/utils.lisp b/glib/utils.lisp deleted file mode 100644 index 87d019b..0000000 --- a/glib/utils.lisp +++ /dev/null @@ -1,196 +0,0 @@ -;; Common Lisp bindings for GTK+ v2.x -;; Copyright 1999-2005 Espen S. Johnsen -;; -;; 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: -;; -;; The above copyright notice and this permission notice shall be -;; included in all copies or substantial portions of the Software. -;; -;; 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: utils.lisp,v 1.5 2005-04-23 16:48:51 espen Exp $ - - -(in-package "GLIB") - -(defun type-expand-1 (form) - (let ((def (cond ((symbolp form) - #+cmu(kernel::info type expander form) - #+sbcl(sb-impl::info :type :expander form)) - ((and (consp form) (symbolp (car form))) - #+cmu(kernel::info type expander (car form)) - #+sbcl(sb-impl::info :type :expander (car form))) - (t nil)))) - (if def - (values (funcall def (if (consp form) form (list form))) t) - (values form nil)))) - - -(defun type-expand-to (type form) - (labels ((expand (form0) - (if (eq (first (mklist form0)) type) - form0 - (multiple-value-bind (expanded-form expanded-p) - (type-expand-1 form0) - (if expanded-p - (expand expanded-form) - (error "~A can not be expanded to ~A" form type)))))) - (expand form))) - -(defmacro with-gc-disabled (&body body) - #+cmu`(system:without-gcing ,@body) - #+sbcl`(sb-impl::without-gcing ,@body)) - -(defun mklist (obj) - (if (and obj (atom obj)) (list obj) obj)) - -(defun namep (obj) - (and (symbolp obj) (not (member obj '(t nil))))) - -(defun all-equal (&rest objects) - (or - (null objects) - (null (rest objects)) - (and - (equal (first objects) (second objects)) - (apply #'all-equal (rest objects))))) - -(defun neq (obj1 obj2) - (not (eq obj1 obj2))) - -(defmacro return-if (form) - (let ((result (make-symbol "RESULT"))) - `(let ((,result ,form)) - (when ,result - (return ,result))))) - -(defun make-pointer (address) - (int-sap address)) - -(defun null-pointer-p (pointer) - (zerop (sap-int pointer))) - - -(defmacro when-bind ((var expr) &body body) - `(let ((,var ,expr)) - (when ,var - ,@body))) - - -(defmacro assoc-ref (key alist &key (test #'eq)) - `(cdr (assoc ,key ,alist :test ,test))) - - -(defmacro assoc-lref (key alist &key (test #'eq)) - `(cadr (assoc ,key ,alist :test ,test))) - - -(defun assoc-rem (key alist &key (test #'eq)) - (remove-if #'(lambda (element) (funcall test key (car element))) alist)) - - -(defun assoc-delete (key alist &key (test #'eq)) - (delete-if #'(lambda (element) (funcall test key (car element))) alist)) - - -(defun funcallable (object) - (if (consp object) - (fdefinition object) - object)) - -(defun intersection-p (list1 list2 &key (test #'eq)) - (dolist (obj list1 nil) - (when (member obj list2 :test test) - (return-from intersection-p t)))) - - -(defun split-string (string delimiter) - (declare (simple-string string) (character delimiter)) - (let ((pos (position delimiter string))) - (if (not pos) - (list string) - (cons - (subseq string 0 pos) - (split-string (subseq string (1+ pos)) delimiter))))) - -(defun split-string-if (string predicate) - (declare (simple-string string)) - (let ((pos (position-if predicate string :start 1))) - (if (not pos) - (list string) - (cons - (subseq string 0 pos) - (split-string-if (subseq string pos) predicate))))) - -(defun concatenate-strings (strings &optional delimiter) - (if (not (rest strings)) - (first strings) - (concatenate - 'string - (first strings) - (if delimiter (string delimiter) "") - (concatenate-strings (rest strings) delimiter)))) - -(defun string-prefix-p (prefix string) - (and - (>= (length string) (length prefix)) - (string= prefix string :end2 (length prefix)))) - -(defun get-all (plist property) - (multiple-value-bind (property value tail) - (get-properties plist (list property)) - (when tail - (cons value (get-all (cddr tail) property))))) - -(defun plist-remove (plist property) - (when plist - (if (eq (first plist) property) - (plist-remove (cddr plist) property) - (list* - (first plist) (second plist) (plist-remove (cddr plist) property))))) - - -;;; - -(defun utf-8-encode (code) - (labels ((encode-bytes (bit) - (unless (zerop bit) - (cons - (deposit-field - #x80 (byte 7 6) (ldb (byte bit (- bit 6)) code)) - (encode-bytes (- bit 6))))) - (encode-string (length) - (map 'string #'code-char - (cons - (deposit-field - (mask-field (byte 7 (- 7 length)) #xFF) - (byte 7 (- 6 length)) - (ldb (byte (+ (* length 6) 6) (* length 6)) code)) - (encode-bytes (* length 6)))))) - (cond - ((< code #x80) (string (code-char code))) - ((< code #x800) (encode-string 1)) - ((< code #x10000) (encode-string 2)) - ((< code #x200000) (encode-string 3)) - ((< code #x4000000) (encode-string 4)) - ((< code #x80000000) (encode-string 5)) - (t (error "Invalid char code ~A" code))))) - - -(defun latin1-to-unicode (string) - (reduce - #'(lambda (str1 str2) - (concatenate 'string str1 str2)) - (map 'list #'(lambda (char) (utf-8-encode (char-code char))) string)))