82 lines
3.5 KiB
Scheme
82 lines
3.5 KiB
Scheme
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;;;
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;;; Copyright (c) 1985 Massachusetts Institute of Technology
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;;;
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;;; This material was developed by the Scheme project at the
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;;; Massachusetts Institute of Technology, Department of
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;;; Electrical Engineering and Computer Science. Permission to
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;;; copy this software, to redistribute it, and to use it for any
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;;; purpose is granted, subject to the following restrictions and
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;;; understandings.
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;;;
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;;; 1. Any copy made of this software must include this copyright
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;;; notice in full.
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;;;
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;;; 2. Users of this software agree to make their best efforts (a)
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;;; to return to the MIT Scheme project any improvements or
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;;; extensions that they make, so that these may be included in
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;;; future releases; and (b) to inform MIT of noteworthy uses of
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;;; this software.
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;;;
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;;; 3. All materials developed as a consequence of the use of
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;;; this software shall duly acknowledge such use, in accordance
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;;; with the usual standards of acknowledging credit in academic
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;;; research.
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;;;
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;;; 4. MIT has made no warrantee or representation that the
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;;; operation of this software will be error-free, and MIT is
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;;; under no obligation to provide any services, by way of
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;;; maintenance, update, or otherwise.
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;;;
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;;; 5. In conjunction with products arising from the use of this
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;;; material, there shall be no use of the name of the
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;;; Massachusetts Institute of Technology nor of any adaptation
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;;; thereof in any advertising, promotional, or sales literature
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;;; without prior written consent from MIT in each case.
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;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Modified by Texas Instruments Inc 8/15/85
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;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;code for bufferset commands??
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(define (bufferset-select-buffer! bufferset buffer)
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(if (memq buffer (bufferset-buffer-list bufferset))
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(vector-set! bufferset bufferset-index:buffer-list
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(cons buffer
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(delq! buffer (bufferset-buffer-list bufferset))))))
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(define (bufferset-find-buffer bufferset name)
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(string-table-get (bufferset-names bufferset) name))
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(define (bufferset-create-buffer bufferset name)
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(if (bufferset-find-buffer bufferset name)
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(error "Attempt to re-create buffer" name))
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(let ((buffer (make-buffer name)))
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(string-table-put! (bufferset-names bufferset) name buffer)
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(vector-set! bufferset bufferset-index:buffer-list
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(append! (bufferset-buffer-list bufferset)
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(list buffer)))
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buffer))
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(define (bufferset-find-or-create-buffer bufferset name)
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(or (bufferset-find-buffer bufferset name)
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(bufferset-create-buffer bufferset name)))
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(define (bufferset-kill-buffer! bufferset buffer)
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(if (not (memq buffer (bufferset-buffer-list bufferset)))
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(error "Attempt to kill unknown buffer" buffer))
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(vector-set! bufferset bufferset-index:buffer-list
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(delq! buffer (bufferset-buffer-list bufferset)))
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(string-table-remove! (bufferset-names bufferset) (buffer-name buffer)))
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(define (bufferset-rename-buffer bufferset buffer new-name)
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(if (not (memq buffer (bufferset-buffer-list bufferset)))
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(error "Attempt to rename unknown buffer" buffer))
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(if (bufferset-find-buffer bufferset new-name)
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(error "Attempt to rename buffer to existing buffer name" new-name))
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(let ((names (bufferset-names bufferset)))
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(string-table-remove! names (buffer-name buffer))
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(set-buffer-name! buffer new-name)
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(string-table-put! names new-name buffer)))
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