128 lines
3.5 KiB
Scheme
128 lines
3.5 KiB
Scheme
;;
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;; brmsaptool.scm
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;;
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;; ISC License
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;;
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;; Copyright 2023 Brmlab, z.s.
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;; Dominik Pantůček <dominik.pantucek@trustica.cz>
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;;
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;; Permission to use, copy, modify, and/or distribute this software
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;; for any purpose with or without fee is hereby granted, provided
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;; that the above copyright notice and this permission notice appear
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;; in all copies.
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;;
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;; THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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;; WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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;; WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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;; AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
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;; CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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;; OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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;; NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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;; CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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;;
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(import (chicken condition)
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(chicken process-context)
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(chicken file)
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(chicken file posix))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Testing
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(define-syntax with-handler
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(syntax-rules ()
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((_ handler body ...)
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(call-with-current-continuation
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(lambda (k)
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(with-exception-handler
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(lambda (x) (k (handler x)))
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(lambda () body ...)))))))
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(define-syntax unit-test
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(syntax-rules ()
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((_ name condition)
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(if (with-handler (lambda (x) #f)
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(lambda () condition))
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(display ".")
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(error 'unit-test name)))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Dictionary
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(define (make-dict)
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'())
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(define (dict-has-key? d k)
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(if (assq k d) #t #f))
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(define (dict-ref d k . r)
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(let ((p (assq k d)))
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(if p
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(cdr p)
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(if (null? r)
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(error 'dict-ref "Key does not exist" k)
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(car r)))))
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(define (dict-remove d k)
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(let loop ((s d)
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(r '())
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(e #t))
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(if (null? s)
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(if e
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(error 'dict-remove "Key does not exist" k)
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r)
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(if (eq? (caar s) k)
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(loop (cdr s) r #f)
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(loop (cdr s) (cons (car s) r) e)))))
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(define (dict-set d k v)
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(let ((dr (let loop ((s d)
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(r '()))
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(if (null? s)
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r
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(if (eq? (caar s) k)
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(loop (cdr s) r)
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(loop (cdr s) (cons (car s) r)))))))
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(cons (cons k v)
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dr)))
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(define (dict-keys d)
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(map car d))
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(define (dict-tests!)
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(display "[test] dict ")
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(unit-test 'make-dict (null? (make-dict)))
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(unit-test 'dict-ref-nonexistent (with-handler (lambda (x) #t) (dict-ref (make-dict) 'nonexistent) #f))
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(unit-test 'dict-ref-default (dict-ref (make-dict) 'nonexistent #t))
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(unit-test 'dict-set-nonexistent (equal? (dict-set (make-dict) 'nonexistent 1) '((nonexistent . 1))))
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(unit-test 'dict-set-existent (equal? (dict-set (dict-set (make-dict) 'existent 1) 'existent 2) '((existent . 2))))
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(unit-test 'dict-remove-nonexistent (with-handler (lambda (x) #t) (dict-remove (make-dict) 'nonexistent) #f))
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(unit-test 'dict-remove-existing (null? (dict-remove (dict-set (make-dict) 'existing 1) 'existing)))
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(unit-test 'dict-keys (equal? (dict-keys (dict-set (make-dict) 'existing 1)) '(existing)))
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(print " ok."))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define *members-directory* "members")
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(define (displayln . x)
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(apply display x)
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(newline))
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(define (load-members)
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(directory *members-directory*))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Run everything
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;; Print banner
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(print "brmsaptool 0.1 (c) 2023 Brmlab, z.s.")
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(newline)
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;; Run tests
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(print "Running self-tests:")
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(dict-tests!)
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(print "All self-tests ok!")
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(newline)
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;; Perform requested action
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(displayln (load-members))
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