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70 lines
2.5 KiB
Scheme
Executable file
70 lines
2.5 KiB
Scheme
Executable file
#!/bin/sh
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# aside from this initial boilerplate, this is actually -*- scheme -*- code
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main='(module-ref (resolve-module '\''(scripts display-commentary)) '\'main')'
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exec ${GUILE-guile} -l $0 -c "(apply $main (cdr (command-line)))" "$@"
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!#
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;;; display-commentary --- As advertized
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;; Copyright (C) 2001, 2006 Free Software Foundation, Inc.
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;;
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;; This program is free software; you can redistribute it and/or
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;; modify it under the terms of the GNU General Public License as
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;; published by the Free Software Foundation; either version 2, or
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;; (at your option) any later version.
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;;
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with this software; see the file COPYING. If not, write to
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;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301 USA
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;;; Author: Thien-Thi Nguyen
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;;; Commentary:
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;; Usage: display-commentary REF1 REF2 ...
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;;
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;; Display Commentary section from REF1, REF2 and so on.
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;; Each REF may be a filename or module name (list of symbols).
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;; In the latter case, a filename is computed by searching `%load-path'.
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;;; Code:
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(define-module (scripts display-commentary)
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:use-module (ice-9 documentation)
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:export (display-commentary))
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(define (display-commentary-one file)
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(format #t "~A commentary:\n~A" file (file-commentary file)))
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(define (module-name->filename-frag ls) ; todo: export or move
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(let ((ls (map symbol->string ls)))
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(let loop ((ls (cdr ls)) (acc (car ls)))
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(if (null? ls)
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acc
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(loop (cdr ls) (string-append acc "/" (car ls)))))))
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(define (display-module-commentary module-name)
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(cond ((%search-load-path (module-name->filename-frag module-name))
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=> (lambda (file)
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(format #t "module ~A\n" module-name)
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(display-commentary-one file)))))
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(define (display-commentary . refs)
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(for-each (lambda (ref)
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(cond ((string? ref)
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(if (equal? 0 (string-index ref #\())
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(display-module-commentary
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(with-input-from-string ref read))
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(display-commentary-one ref)))
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((list? ref)
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(display-module-commentary ref))))
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refs))
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(define main display-commentary)
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;;; display-commentary ends here
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