X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=src%2Faggregates.lisp;h=5d0059c03dc1f94f9cdab67a97ec18d741351345;hb=3ade95bab16abe09642554e9cbf56f117f01e507;hp=ae86bbe2b4d83db4156eacf551a804616fe05be1;hpb=65e2a75247b894d1f562102ef1df77c7060b5048;p=uffi.git diff --git a/src/aggregates.lisp b/src/aggregates.lisp index ae86bbe..5d0059c 100644 --- a/src/aggregates.lisp +++ b/src/aggregates.lisp @@ -7,13 +7,10 @@ ;;;; Programmer: Kevin M. Rosenberg ;;;; Date Started: Feb 2002 ;;;; -;;;; $Id: aggregates.lisp,v 1.8 2003/08/13 18:53:42 kevin Exp $ +;;;; $Id$ ;;;; -;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg +;;;; This file, part of UFFI, is Copyright (c) 2005 by Kevin M. Rosenberg ;;;; -;;;; UFFI users are granted the rights to distribute and use this software -;;;; as governed by the terms of the Lisp Lesser GNU Public License -;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL. ;;;; ************************************************************************* (in-package #:uffi) @@ -146,35 +143,47 @@ of the enum-name name, separator-string, and field-name" (ccl:%int-to-ptr (+ (ccl:%ptr-to-int ,obj) (the fixnum (ccl::foreign-record-field-offset field))))) ) -; so we could allow '(:array :long) or deref with other type like :long only -#+mcl -(defun array-type (type) - (let ((result type)) - (when (listp type) - (let ((type-list (if (eq (car type) 'quote) (nth 1 type) type))) - (when (and (listp type-list) (eq (car type-list) :array)) - (setf result (cadr type-list))))) - result)) - - -(defmacro deref-array (obj type i) - "Returns a field from a row" - #+(or lispworks cmu sbcl scl) (declare (ignore type)) - #+(or cmu scl) `(alien:deref ,obj ,i) - #+sbcl `(sb-alien:deref ,obj ,i) - #+lispworks `(fli:dereference ,obj :index ,i) - #+allegro `(ff:fslot-value-typed (quote ,(convert-from-uffi-type type :type)) :c ,obj ,i) +;; necessary to eval at compile time for openmcl to compile convert-from-foreign-usb8 +;; below +(eval-when (:compile-toplevel :load-toplevel :execute) + ;; so we could allow '(:array :long) or deref with other type like :long only #+mcl - (let* ((array-type (array-type type)) - (local-type (convert-from-uffi-type array-type :allocation)) - (accessor (first (macroexpand `(ccl:pref obj ,local-type))))) - `(,accessor - ,obj - (* (the fixnum ,i) ,(size-of-foreign-type local-type)))) - ) - + (defun array-type (type) + (let ((result type)) + (when (listp type) + (let ((type-list (if (eq (car type) 'quote) (nth 1 type) type))) + (when (and (listp type-list) (eq (car type-list) :array)) + (setf result (cadr type-list))))) + result)) + + + (defmacro deref-array (obj type i) + "Returns a field from a row" + #+(or lispworks cmu sbcl scl) (declare (ignore type)) + #+(or cmu scl) `(alien:deref ,obj ,i) + #+sbcl `(sb-alien:deref ,obj ,i) + #+lispworks `(fli:dereference ,obj :index ,i :copy-foreign-object nil) + #+allegro `(ff:fslot-value-typed (quote ,(convert-from-uffi-type type :type)) :c ,obj ,i) + #+openmcl + (let* ((array-type (array-type type)) + (local-type (convert-from-uffi-type array-type :allocation)) + (element-size-in-bits (ccl::%foreign-type-or-record-size local-type :bits))) + (ccl::%foreign-access-form + obj + (ccl::%foreign-type-or-record local-type) + `(* ,i ,element-size-in-bits) + nil)) + #+(and mcl (not openmcl)) + (let* ((array-type (array-type type)) + (local-type (convert-from-uffi-type array-type :allocation)) + (accessor (first (macroexpand `(ccl:pref obj ,local-type))))) + `(,accessor + ,obj + (* (the fixnum ,i) ,(size-of-foreign-type local-type)))) + )) + ; this expands to the %set-xx functions which has different params than %put-xx -#+mcl +#+(and mcl (not openmcl)) (defmacro deref-array-set (obj type i value) (let* ((array-type (array-type type)) (local-type (convert-from-uffi-type array-type :allocation)) @@ -185,7 +194,7 @@ of the enum-name name, separator-string, and field-name" (* (the fixnum ,i) ,(size-of-foreign-type local-type)) ,value))) -#+mcl +#+(and mcl (not openmcl)) (defsetf deref-array deref-array-set) (defmacro def-union (name &rest fields) @@ -203,3 +212,51 @@ of the enum-name name, separator-string, and field-name" `(ccl::def-foreign-type nil (:union ,name ,@(process-struct-fields name fields))) ) + + +#-(or sbcl cmu) +(defun convert-from-foreign-usb8 (s len) + (declare (optimize (speed 3) (space 0) (safety 0) (compilation-speed 0)) + (fixnum len)) + (let ((a (make-array len :element-type '(unsigned-byte 8)))) + (dotimes (i len a) + (declare (fixnum i)) + (setf (aref a i) (uffi:deref-array s '(:array :unsigned-byte) i))))) + +#+sbcl +(eval-when (:compile-toplevel :load-toplevel :execute) + (sb-ext:without-package-locks + (defvar *system-copy-fn* (if (fboundp (intern "COPY-FROM-SYSTEM-AREA" "SB-KERNEL")) + (intern "COPY-FROM-SYSTEM-AREA" "SB-KERNEL") + (intern "COPY-UB8-FROM-SYSTEM-AREA" "SB-KERNEL"))) + (defconstant +system-copy-offset+ (if (fboundp (intern "COPY-FROM-SYSTEM-AREA" "SB-KERNEL")) + (* sb-vm:vector-data-offset sb-vm:n-word-bits) + 0)) + (defconstant +system-copy-multiplier+ (if (fboundp (intern "COPY-FROM-SYSTEM-AREA" "SB-KERNEL")) + sb-vm:n-byte-bits + 1)))) + + +#+sbcl +(defun convert-from-foreign-usb8 (s len) + (let ((sap (sb-alien:alien-sap s))) + (declare (type sb-sys:system-area-pointer sap)) + (locally + (declare (optimize (speed 3) (safety 0))) + (let ((result (make-array len :element-type '(unsigned-byte 8)))) + (funcall *system-copy-fn* sap 0 result +system-copy-offset+ + (* len +system-copy-multiplier+)) + result)))) + +#+cmu +(defun convert-from-foreign-usb8 (s len) + (let ((sap (alien:alien-sap s))) + (declare (type system:system-area-pointer sap)) + (locally + (declare (optimize (speed 3) (safety 0))) + (let ((result (make-array len :element-type '(unsigned-byte 8)))) + (kernel:copy-from-system-area sap 0 + result (* vm:vector-data-offset + vm:word-bits) + (* len vm:byte-bits)) + result))))