mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-04-30 03:40:34 +02:00
* module/ice-9/ls.scm (local-definitions-in, definitions-in): Use nested module procedures, as appropriate. (recursive-local-define): Fix attempt to treat null as false. Whoops..
94 lines
3.2 KiB
Scheme
94 lines
3.2 KiB
Scheme
;;;; ls.scm --- functions for browsing modules
|
||
;;;;
|
||
;;;; Copyright (C) 1995, 1996, 1997, 1999, 2001, 2006, 2010 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
|
||
;;;;
|
||
|
||
(define-module (ice-9 ls)
|
||
:use-module (ice-9 common-list)
|
||
:export (local-definitions-in definitions-in ls lls
|
||
recursive-local-define))
|
||
|
||
;;;;
|
||
;;; local-definitions-in root name
|
||
;;; Returns a list of names defined locally in the named
|
||
;;; subdirectory of root.
|
||
;;; definitions-in root name
|
||
;;; Returns a list of all names defined in the named
|
||
;;; subdirectory of root. The list includes alll locally
|
||
;;; defined names as well as all names inherited from a
|
||
;;; member of a use-list.
|
||
;;;
|
||
;;; A convenient interface for examining the nature of things:
|
||
;;;
|
||
;;; ls . various-names
|
||
;;;
|
||
;;; With no arguments, return a list of definitions in
|
||
;;; `(current-module)'.
|
||
;;;
|
||
;;; With just one argument, interpret that argument as the
|
||
;;; name of a subdirectory of the current module and
|
||
;;; return a list of names defined there.
|
||
;;;
|
||
;;; With more than one argument, still compute
|
||
;;; subdirectory lists, but return a list:
|
||
;;; ((<subdir-name> . <names-defined-there>)
|
||
;;; (<subdir-name> . <names-defined-there>)
|
||
;;; ...)
|
||
;;;
|
||
;;; lls . various-names
|
||
;;;
|
||
;;; Analogous to `ls', but with local definitions only.
|
||
|
||
(define (local-definitions-in root names)
|
||
(let ((m (nested-ref-module root names)))
|
||
(if m
|
||
(module-map (lambda (k v) k) m)
|
||
(nested-ref root names))))
|
||
|
||
(define (definitions-in root names)
|
||
(let ((m (nested-ref-module root names)))
|
||
(if m
|
||
(reduce union
|
||
(cons (local-definitions-in m '())
|
||
(map (lambda (m2) (definitions-in m2 '()))
|
||
(module-uses m))))
|
||
(nested-ref root names))))
|
||
|
||
(define (ls . various-refs)
|
||
(if (pair? various-refs)
|
||
(if (cdr various-refs)
|
||
(map (lambda (ref)
|
||
(cons ref (definitions-in (current-module) ref)))
|
||
various-refs)
|
||
(definitions-in (current-module) (car various-refs)))
|
||
(definitions-in (current-module) '())))
|
||
|
||
(define (lls . various-refs)
|
||
(if (pair? various-refs)
|
||
(if (cdr various-refs)
|
||
(map (lambda (ref)
|
||
(cons ref (local-definitions-in (current-module) ref)))
|
||
various-refs)
|
||
(local-definitions-in (current-module) (car various-refs)))
|
||
(local-definitions-in (current-module) '())))
|
||
|
||
(define (recursive-local-define name value)
|
||
(let ((parent (reverse! (cdr (reverse name)))))
|
||
(module-define! (make-modules-in (current-module) parent)
|
||
name value)))
|
||
|
||
;;; ls.scm ends here
|