X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=src%2Flibraries.lisp;h=59b5907c622b96c3a31974ce793cbc621810a5bf;hb=093110cc904383694a1b549cf3525cc7088e92e1;hp=c259dc8d08b69ba206e0c71bd0d25ded426c71a8;hpb=caf4972e7f7d2562fe4a9977cf20d38bbf0e320f;p=uffi.git diff --git a/src/libraries.lisp b/src/libraries.lisp index c259dc8..59b5907 100644 --- a/src/libraries.lisp +++ b/src/libraries.lisp @@ -2,39 +2,42 @@ ;;;; ************************************************************************* ;;;; FILE IDENTIFICATION ;;;; -;;;; Name: libraries.cl +;;;; Name: libraries.lisp ;;;; Purpose: UFFI source to load foreign libraries ;;;; Programmer: Kevin M. Rosenberg ;;;; Date Started: Feb 2002 ;;;; -;;;; $Id: libraries.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 +;;;; This file, part of UFFI, is Copyright (c) 2002-2005 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. ;;;; ************************************************************************* -(declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0))) -(in-package :uffi) +(in-package #:uffi) (defvar *loaded-libraries* nil "List of foreign libraries loaded. Used to prevent reloading a library") (defun default-foreign-library-type () "Returns string naming default library type for platform" - #+(or win32 mswindows) "dll" - #+macosx "dylib" - #-(or win32 mswindows macosx) "so" + #+(or win32 cygwin mswindows) "dll" + #+(or macosx darwin ccl-5.0) "dylib" + #-(or win32 cygwin mswindows macosx darwin ccl-5.0) "so" ) -(defun find-foreign-library (names directories &key types drive-letters) +(defun foreign-library-types () + "Returns list of string naming possible library types for platform, sorted by preference" + #+(or win32 mswindows) '("dll" "lib") + #+(or macosx darwin ccl-5.0) '("dylib" "bundle") + #-(or win32 mswindows macosx darwin ccl-5.0) '("so" "a" "o") +) + +(defun find-foreign-library (names directories &key types drive-letters) "Looks for a foreign library. directories can be a single string or a list of strings of candidate directories. Use default library type if type is not specified." (unless types - (setq types (default-foreign-library-type))) + (setq types (foreign-library-types))) (unless (listp types) (setq types (list types))) (unless (listp names) @@ -50,21 +53,21 @@ library type if type is not specified." (dolist (name names) (dolist (dir directories) (dolist (type types) - (let ((path (make-pathname + (let ((path (make-pathname #+lispworks :host #+lispworks (when drive-letter drive-letter) #-lispworks :device #-lispworks (when drive-letter drive-letter) - :name name + :name name :type type - :directory + :directory (etypecase dir (pathname (pathname-directory dir)) (list dir) (string - (pathname-directory + (pathname-directory (parse-namestring dir))))))) (when (probe-file path) (return-from find-foreign-library path))))))) @@ -73,43 +76,56 @@ library type if type is not specified." (defun load-foreign-library (filename &key module supporting-libraries force-load) - #+(or allegro lispworks openmcl) (declare (ignore module supporting-libraries)) - #+(or cmu scl sbcl) (declare (ignore module)) - - (when (and filename (probe-file filename)) - (if (pathnamep filename) ;; ensure filename is a string to check if - (setq filename (namestring filename))) ; already loaded + #+(or allegro openmcl digitool sbcl) (declare (ignore module supporting-libraries)) + #+(or cmu scl) (declare (ignore module)) + #+lispworks (declare (ignore supporting-libraries)) + + (flet ((load-failure () + (error "Unable to load foreign library \"~A\"." filename))) + (when (and filename (or (null (pathname-directory filename)) + (probe-file filename))) + (if (pathnamep filename) ;; ensure filename is a string to check if already loaded + (setq filename (namestring (if (null (pathname-directory filename)) + filename + ;; lispworks treats as UNC, so use truename + #+(and lispworks win32) (truename filename) + #-(and lispworks win32) filename)))) - (if (and (not force-load) - (find filename *loaded-libraries* :test #'string-equal)) - t ;; return T, but don't reload library + (if (and (not force-load) + (find filename *loaded-libraries* :test #'string-equal)) + t ;; return T, but don't reload library (progn #+cmu (let ((type (pathname-type (parse-namestring filename)))) - (if (equal type "so") - (sys::load-object-file filename) - (alien:load-foreign filename - :libraries - (convert-supporting-libraries-to-string - supporting-libraries)))) + (if (string-equal type "so") + (unless + (sys::load-object-file filename) + (load-failure)) + (alien:load-foreign filename + :libraries + (convert-supporting-libraries-to-string + supporting-libraries)))) #+scl (let ((type (pathname-type (parse-namestring filename)))) - (alien:load-foreign filename + (alien:load-foreign filename :libraries (convert-supporting-libraries-to-string supporting-libraries))) #+sbcl - (sb-alien:load-foreign filename - :libraries - (convert-supporting-libraries-to-string - supporting-libraries)) - #+lispworks (fli:register-module module :real-name filename) + (handler-case (sb-alien::load-1-foreign filename) + (sb-int:unsupported-operator (c) + (if (fboundp (intern "LOAD-SHARED-OBJECT" :sb-alien)) + (funcall (intern "LOAD-SHARED-OBJECT" :sb-alien) filename) + (error c)))) + + #+lispworks (fli:register-module module :real-name filename + :connection-style :immediate) #+allegro (load filename) #+openmcl (ccl:open-shared-library filename) - #+(and mcl (not openmcl)) (ccl:add-to-shared-library-search-path filename t) - + #+digitool (ccl:add-to-shared-library-search-path filename t) + (push filename *loaded-libraries*) - t)))) + t))))) (defun convert-supporting-libraries-to-string (libs) (let (lib-load-list)