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Diffstat (limited to 'module/ice-9/deprecated.scm')
-rw-r--r-- | module/ice-9/deprecated.scm | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/module/ice-9/deprecated.scm b/module/ice-9/deprecated.scm new file mode 100644 index 000000000..c8d762143 --- /dev/null +++ b/module/ice-9/deprecated.scm @@ -0,0 +1,187 @@ +;;;; Copyright (C) 2003, 2005, 2006, 2009 Free Software Foundation, Inc. +;;;; +;;;; 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 3 of the License, or (at your option) any later version. +;;;; +;;;; 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. +;;;; +;;;; 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +;;;; + +;;;; Deprecated definitions. + +(define substring-move-left! substring-move!) +(define substring-move-right! substring-move!) + +;; This method of dynamically linking Guile Extensions is deprecated. +;; Use `load-extension' explicitly from Scheme code instead. + +(define (split-c-module-name str) + (let loop ((rev '()) + (start 0) + (pos 0) + (end (string-length str))) + (cond + ((= pos end) + (reverse (cons (string->symbol (substring str start pos)) rev))) + ((eq? (string-ref str pos) #\space) + (loop (cons (string->symbol (substring str start pos)) rev) + (+ pos 1) + (+ pos 1) + end)) + (else + (loop rev start (+ pos 1) end))))) + +(define (convert-c-registered-modules dynobj) + (let ((res (map (lambda (c) + (list (split-c-module-name (car c)) (cdr c) dynobj)) + (c-registered-modules)))) + (c-clear-registered-modules) + res)) + +(define registered-modules '()) + +(define (register-modules dynobj) + (set! registered-modules + (append! (convert-c-registered-modules dynobj) + registered-modules))) + +(define (warn-autoload-deprecation modname) + (issue-deprecation-warning + "Autoloading of compiled code modules is deprecated." + "Write a Scheme file instead that uses `load-extension'.") + (issue-deprecation-warning + (simple-format #f "(You just autoloaded module ~S.)" modname))) + +(define (init-dynamic-module modname) + ;; Register any linked modules which have been registered on the C level + (register-modules #f) + (or-map (lambda (modinfo) + (if (equal? (car modinfo) modname) + (begin + (warn-autoload-deprecation modname) + (set! registered-modules (delq! modinfo registered-modules)) + (let ((mod (resolve-module modname #f))) + (save-module-excursion + (lambda () + (set-current-module mod) + (set-module-public-interface! mod mod) + (dynamic-call (cadr modinfo) (caddr modinfo)) + )) + #t)) + #f)) + registered-modules)) + +(define (dynamic-maybe-call name dynobj) + (catch #t ; could use false-if-exception here + (lambda () + (dynamic-call name dynobj)) + (lambda args + #f))) + +(define (dynamic-maybe-link filename) + (catch #t ; could use false-if-exception here + (lambda () + (dynamic-link filename)) + (lambda args + #f))) + +(define (find-and-link-dynamic-module module-name) + (define (make-init-name mod-name) + (string-append "scm_init" + (list->string (map (lambda (c) + (if (or (char-alphabetic? c) + (char-numeric? c)) + c + #\_)) + (string->list mod-name))) + "_module")) + + ;; Put the subdirectory for this module in the car of SUBDIR-AND-LIBNAME, + ;; and the `libname' (the name of the module prepended by `lib') in the cdr + ;; field. For example, if MODULE-NAME is the list (inet tcp-ip udp), then + ;; SUBDIR-AND-LIBNAME will be the pair ("inet/tcp-ip" . "libudp"). + (let ((subdir-and-libname + (let loop ((dirs "") + (syms module-name)) + (if (null? (cdr syms)) + (cons dirs (string-append "lib" (symbol->string (car syms)))) + (loop (string-append dirs (symbol->string (car syms)) "/") + (cdr syms))))) + (init (make-init-name (apply string-append + (map (lambda (s) + (string-append "_" + (symbol->string s))) + module-name))))) + (let ((subdir (car subdir-and-libname)) + (libname (cdr subdir-and-libname))) + + ;; Now look in each dir in %LOAD-PATH for `subdir/libfoo.la'. If that + ;; file exists, fetch the dlname from that file and attempt to link + ;; against it. If `subdir/libfoo.la' does not exist, or does not seem + ;; to name any shared library, look for `subdir/libfoo.so' instead and + ;; link against that. + (let check-dirs ((dir-list %load-path)) + (if (null? dir-list) + #f + (let* ((dir (in-vicinity (car dir-list) subdir)) + (sharlib-full + (or (try-using-libtool-name dir libname) + (try-using-sharlib-name dir libname)))) + (if (and sharlib-full (file-exists? sharlib-full)) + (link-dynamic-module sharlib-full init) + (check-dirs (cdr dir-list))))))))) + +(define (try-using-libtool-name libdir libname) + (let ((libtool-filename (in-vicinity libdir + (string-append libname ".la")))) + (and (file-exists? libtool-filename) + libtool-filename))) + +(define (try-using-sharlib-name libdir libname) + (in-vicinity libdir (string-append libname ".so"))) + +(define (link-dynamic-module filename initname) + ;; Register any linked modules which have been registered on the C level + (register-modules #f) + (let ((dynobj (dynamic-link filename))) + (dynamic-call initname dynobj) + (register-modules dynobj))) + +(define (try-module-linked module-name) + (init-dynamic-module module-name)) + +(define (try-module-dynamic-link module-name) + (and (find-and-link-dynamic-module module-name) + (init-dynamic-module module-name))) + +(define (list* . args) + (issue-deprecation-warning "'list*' is deprecated. Use 'cons*' instead.") + (apply cons* args)) + +;; The strange prototype system for uniform arrays has been +;; deprecated. + +(define-macro (eval-case . clauses) + (issue-deprecation-warning + "`eval-case' is deprecated. Use `eval-when' instead.") + ;; Practically speaking, eval-case only had load-toplevel and else as + ;; conditions. + (cond + ((assoc-ref clauses '(load-toplevel)) + => (lambda (exps) + ;; the *unspecified so that non-toplevel definitions will be + ;; caught + `(begin *unspecified* . ,exps))) + ((assoc-ref clauses 'else) + => (lambda (exps) + `(begin *unspecified* . ,exps))) + (else + `(begin)))) |