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* readline.scm (apropos-completion-function): Don't define and

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install if the 'regex feature is missing.
This commit is contained in:
Mikael Djurfeldt 2000-06-12 14:54:30 +00:00
parent 69fc343a70
commit ebfa2cd5ca
1 changed files with 18 additions and 15 deletions
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9
guile-readline/readline.scm
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@ -1,6 +1,6 @@
;;;; readline.scm --- support functions for command-line editing
;;;;
;;;; Copyright (C) 1997, 1999 Free Software Foundation, Inc.
;;;; Copyright (C) 1997, 1999, 2000 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
@ -148,14 +148,16 @@
(define-public (set-readline-read-hook! h)
(set! read-hook h))
(if (feature? 'regex)
(begin
(define-public apropos-completion-function
(let ((completions '()))
(lambda (text cont?)
(if (not cont?)
(set! completions
(map symbol->string
(apropos-internal (string-append "^"
(regexp-quote text))))))
(apropos-internal
(string-append "^" (regexp-quote text))))))
(if (null? completions)
#f
(let ((retval (car completions)))
@ -163,6 +165,7 @@
retval))))))
(set! *readline-completion-function* apropos-completion-function)
))
(define-public (activate-readline)
(if (and (isatty? (current-input-port))