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guile/ice-9/ls.scm
Mikael Djurfeldt 1a179b03b0 * lib.scm: Move module the system directives `export',
`export-syntax', `re-export' and `re-export-syntax' into the
  `define-module' form.  This is the recommended way of exporting
  bindings.

* srfi-2.scm, srfi-4.scm, srfi-8.scm, srfi-9.scm, srfi-10.scm,
srfi-11.scm, srfi-14.scm, srfi-16.scm: Move module the system
directives `export', `export-syntax', `re-export' and
`re-export-syntax' into the `define-module' form.  This is the
recommended way of exporting bindings.

* goops.scm, goops/active-slot.scm, goops/compile.scm,
goops/composite-slot.scm, goops/describe.scm, goops/dispatch.scm,
goops/old-define-method.scm, goops/save.scm, goops/util.scm: Move
module the system directives `export', `export-syntax',
`re-export' and `re-export-syntax' into the `define-module' form.
This is the recommended way of exporting bindings.

* slib.scm (array-indexes): New procedure.
(*features*): Extend.  (Probably some of these options should be
set elsewhere.)  (Thanks to Aubrey Jaffer.)

* and-let-star-compat.scm, and-let-star.scm, calling.scm,
  channel.scm, common-list.scm, debug.scm, debugger.scm,
  expect.scm, hcons.scm, lineio.scm, ls.scm, mapping.scm,
  null.scm, optargs.scm, poe.scm, popen.scm, pretty-print.scm,
  q.scm, r5rs.scm, rdelim.scm, regex.scm, runq.scm, safe-r5rs.scm,
  safe.scm, session.scm, slib.scm, streams.scm, string-fun.scm,
  syncase.scm, threads.scm: Move module the system directives
  `export', `export-syntax', `re-export' and `re-export-syntax'
  into the `define-module' form.  This is the recommended way of
  exporting bindings.
2001-10-21 09:49:19 +00:00

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;;;; ls.scm --- functions for browsing modules
;;;;
;;;; Copyright (C) 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
;;;;
;;;; This program is free software; you can redistribute it and/or modify
;;;; it under the terms of the GNU General Public License as published by
;;;; the Free Software Foundation; either version 2, or (at your option)
;;;; any later version.
;;;;
;;;; This program 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 General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU General Public License
;;;; along with this software; see the file COPYING. If not, write to
;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
;;;; Boston, MA 02111-1307 USA
;;;;
(define-module (ice-9 ls)
:use-module (ice-9 common-list))
;;;;
;;; 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-public (local-definitions-in root names)
(let ((m (nested-ref root names))
(answer '()))
(if (not (module? m))
(set! answer m)
(module-for-each (lambda (k v) (set! answer (cons k answer))) m))
answer))
(define-public (definitions-in root names)
(let ((m (nested-ref root names)))
(if (not (module? m))
m
(reduce union
(cons (local-definitions-in m '())
(map (lambda (m2) (definitions-in m2 '()))
(module-uses m)))))))
(define-public (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-public (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-public (recursive-local-define name value)
(let ((parent (reverse! (cdr (reverse name)))))
(and parent (make-modules-in (current-module) parent))
(local-define name value)))
;;; ls.scm ends here