X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=src%2Faggregates.lisp;h=6be523ddd2b1760c6aca585b8f3fc44d242aed9c;hb=6229dcb7d816d344069abee0d103ef09c8e52c0e;hp=848b735cb60968414f7d5bebaffe890a835cce01;hpb=caf4972e7f7d2562fe4a9977cf20d38bbf0e320f;p=uffi.git diff --git a/src/aggregates.lisp b/src/aggregates.lisp index 848b735..6be523d 100644 --- a/src/aggregates.lisp +++ b/src/aggregates.lisp @@ -2,12 +2,12 @@ ;;;; ************************************************************************* ;;;; FILE IDENTIFICATION ;;;; -;;;; Name: aggregates.cl +;;;; Name: aggregates.lisp ;;;; Purpose: UFFI source to handle aggregate types ;;;; Programmer: Kevin M. Rosenberg ;;;; Date Started: Feb 2002 ;;;; -;;;; $Id: aggregates.lisp,v 1.4 2002/10/16 11:56:43 kevin Exp $ +;;;; $Id$ ;;;; ;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg ;;;; @@ -16,8 +16,7 @@ ;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL. ;;;; ************************************************************************* -(declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0))) -(in-package :uffi) +(in-package #:uffi) (defmacro def-enum (enum-name args &key (separator-string "#")) "Creates a constants for a C type enum list, symbols are created @@ -81,7 +80,8 @@ of the enum-name name, separator-string, and field-name" #+(or cmu scl) `((* (alien:struct ,name))) #+sbcl `((* (sb-alien:struct ,name))) #+mcl `((:* (:struct ,name))) - #-(or cmu sbcl scl mcl) `((* ,name)) + #+lispworks `((:pointer ,name)) + #-(or cmu sbcl scl mcl lispworks) `((* ,name)) `(,(convert-from-uffi-type type :struct)))))) (if variant (push (list def) processed) @@ -146,35 +146,47 @@ 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 +197,7 @@ 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 +215,42 @@ 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 +(let ((copy-fn (if (fboundp (intern "COPY-FROM-SYSTEM-AREA" "SB-KERNEL")) + (intern "COPY-FROM-SYSTEM-AREA" "SB-KERNEL") + (intern "COPY-UB8-FROM-SYSTEM" "SB-KERNEL")))) + (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 copy-fn sap 0 + result (* sb-vm:vector-data-offset + sb-vm:n-word-bits) + (* len sb-vm:n-byte-bits)) + 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))))