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6b4b4bfb09
(For use by guile-tools)
* module/ice-9/getopt-long.scm: Use (ice-9 optargs) so we can use
define*.
(process-options): Add stop-at-first-non-option parameter. When
this is true, stop processing when we hit a non-option (so long as
that non-option isn't something that resulted from the unclumping of
a short option group).
(getopt-long): Add #:stop-at-first-non-option keyword; pass it on to
process-options.
* test-suite/tests/getopt-long.test ("stop-at-first-non-option"): New
test (for the above).
302 lines
10 KiB
Scheme
302 lines
10 KiB
Scheme
;;;; getopt-long.test --- long options processing -*- scheme -*-
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;;;; Thien-Thi Nguyen <ttn@gnu.org> --- August 2001
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;;;;
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;;;; Copyright (C) 2001, 2006, 2011 Free Software Foundation, Inc.
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;;;;
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;;;; This library is free software; you can redistribute it and/or
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;;;; modify it under the terms of the GNU Lesser General Public
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;;;; License as published by the Free Software Foundation; either
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;;;; version 3 of the License, or (at your option) any later version.
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;;;;
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;;;; This library 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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;;;; Lesser General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU Lesser General Public
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;;;; License along with this library; if not, write to the Free Software
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;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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(use-modules (test-suite lib)
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(ice-9 getopt-long)
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(ice-9 regex))
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(define-syntax pass-if-fatal-exception
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(syntax-rules ()
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((_ name exn exp)
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(let ((port (open-output-string)))
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(with-error-to-port port
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(lambda ()
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(run-test
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name #t
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(lambda ()
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(catch (car exn)
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(lambda () exp #f)
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(lambda (k . args)
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(let ((output (get-output-string port)))
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(close-port port)
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(if (string-match (cdr exn) output)
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#t
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(error "Unexpected output" output)))))))))))))
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(defmacro deferr (name-frag re)
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(let ((name (symbol-append 'exception: name-frag)))
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`(define ,name (cons 'quit ,re))))
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(deferr no-such-option "no such option")
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(deferr option-predicate-failed "option predicate failed")
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(deferr option-does-not-support-arg "option does not support argument")
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(deferr option-must-be-specified "option must be specified")
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(deferr option-must-have-arg "option must be specified with argument")
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(with-test-prefix "exported procs"
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(pass-if "`option-ref' defined" (defined? 'option-ref))
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(pass-if "`getopt-long' defined" (defined? 'getopt-long)))
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(with-test-prefix "specifying predicate"
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(define (test1 . args)
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(getopt-long args
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`((test (value #t)
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(predicate ,(lambda (x)
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(string-match "^[0-9]+$" x)))))))
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(pass-if "valid arg"
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(equal? (test1 "foo" "bar" "--test=123")
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'((() "bar") (test . "123"))))
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(pass-if-fatal-exception "invalid arg"
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exception:option-predicate-failed
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(test1 "foo" "bar" "--test=foo"))
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(pass-if-fatal-exception "option has no arg"
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exception:option-must-have-arg
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(test1 "foo" "bar" "--test"))
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)
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(with-test-prefix "not specifying predicate"
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(define (test2 . args)
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(getopt-long args `((test (value #t)))))
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(pass-if "option has arg"
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(equal? (test2 "foo" "bar" "--test=foo")
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'((() "bar") (test . "foo"))))
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(pass-if "option has no arg"
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(equal? (test2 "foo" "bar")
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'((() "bar"))))
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)
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(with-test-prefix "value optional"
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(define (test3 . args)
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(getopt-long args '((foo (value optional) (single-char #\f))
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(bar))))
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(pass-if "long option `foo' w/ arg, long option `bar'"
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(equal? (test3 "prg" "--foo" "fooval" "--bar")
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'((()) (bar . #t) (foo . "fooval"))))
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(pass-if "short option `foo' w/ arg, long option `bar'"
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(equal? (test3 "prg" "-f" "fooval" "--bar")
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'((()) (bar . #t) (foo . "fooval"))))
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(pass-if "short option `foo', long option `bar', no args"
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(equal? (test3 "prg" "-f" "--bar")
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'((()) (bar . #t) (foo . #t))))
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(pass-if "long option `foo', long option `bar', no args"
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(equal? (test3 "prg" "--foo" "--bar")
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'((()) (bar . #t) (foo . #t))))
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(pass-if "long option `bar', short option `foo', no args"
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(equal? (test3 "prg" "--bar" "-f")
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'((()) (foo . #t) (bar . #t))))
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(pass-if "long option `bar', long option `foo', no args"
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(equal? (test3 "prg" "--bar" "--foo")
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'((()) (foo . #t) (bar . #t))))
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)
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(with-test-prefix "option-ref"
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(define (test4 option-arg . args)
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(equal? option-arg (option-ref (getopt-long
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(cons "prog" args)
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'((foo
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(value optional)
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(single-char #\f))
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(bar)))
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'foo #f)))
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(pass-if "option-ref `--foo 4'"
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(test4 "4" "--foo" "4"))
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(pass-if "option-ref `-f 4'"
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(test4 "4" "-f" "4"))
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(pass-if "option-ref `-f4'"
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(test4 "4" "-f4"))
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(pass-if "option-ref `--foo=4'"
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(test4 "4" "--foo=4"))
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)
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(with-test-prefix "required"
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(define (test5 args specs)
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(getopt-long (cons "foo" args) specs))
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(pass-if "not mentioned, not given"
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(equal? (test5 '() '())
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'((()))))
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(pass-if-fatal-exception "not mentioned, given"
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exception:no-such-option
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(test5 '("--req") '((something))))
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(pass-if "not specified required, not given"
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(equal? (test5 '() '((req (required? #f))))
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'((()))))
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(pass-if "not specified required, given anyway"
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(equal? (test5 '("--req") '((req (required? #f))))
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'((()) (req . #t))))
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(pass-if "not specified required, but w/ value, given anyway w/ \"=\" val"
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(equal? (test5 '("--req=7") '((req (required? #f) (value #t))))
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'((()) (req . "7"))))
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(pass-if "not specified required, but w/ value, given anyway w/ non-\"=\" val"
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(equal? (test5 '("--req" "7") '((req (required? #f) (value #t))))
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'((()) (req . "7"))))
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(pass-if-fatal-exception "specified required, not given"
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exception:option-must-be-specified
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(test5 '() '((req (required? #t)))))
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)
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(with-test-prefix "specified no-value, given anyway"
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(define (test6 args specs)
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(getopt-long (cons "foo" args) specs))
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(pass-if-fatal-exception "using \"=\" syntax"
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exception:option-does-not-support-arg
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(test6 '("--maybe=yes") '((maybe))))
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)
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(with-test-prefix "specified arg required"
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(define (test7 args)
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(getopt-long (cons "foo" args) '((hmm (value #t) (single-char #\H))
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(ignore))))
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(pass-if "short opt, arg given"
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(equal? (test7 '("-H" "99"))
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'((()) (hmm . "99"))))
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(pass-if "long non-\"=\" opt, arg given"
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(equal? (test7 '("--hmm" "100"))
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'((()) (hmm . "100"))))
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(pass-if "long \"=\" opt, arg given"
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(equal? (test7 '("--hmm=101"))
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'((()) (hmm . "101"))))
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(pass-if-fatal-exception "short opt, arg not given"
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exception:option-must-have-arg
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(test7 '("-H")))
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(pass-if-fatal-exception "long non-\"=\" opt, arg not given (next arg an option)"
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exception:option-must-have-arg
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(test7 '("--hmm" "--ignore")))
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(pass-if-fatal-exception "long \"=\" opt, arg not given"
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exception:option-must-have-arg
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(test7 '("--hmm")))
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)
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(with-test-prefix "apples-blimps-catalexis example"
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(define (test8 . args)
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(equal? (sort (getopt-long (cons "foo" args)
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'((apples (single-char #\a))
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(blimps (single-char #\b) (value #t))
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(catalexis (single-char #\c) (value #t))))
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(lambda (a b)
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(cond ((null? (car a)) #t)
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((null? (car b)) #f)
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(else (string<? (symbol->string (car a))
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(symbol->string (car b)))))))
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'((())
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(apples . #t)
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(blimps . "bang")
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(catalexis . "couth"))))
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(pass-if "normal 1" (test8 "-a" "-b" "bang" "-c" "couth"))
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(pass-if "normal 2" (test8 "-ab" "bang" "-c" "couth"))
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(pass-if "normal 3" (test8 "-ac" "couth" "-b" "bang"))
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(pass-if-fatal-exception "bad ordering causes missing option"
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exception:option-must-have-arg
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(test8 "-abc" "couth" "bang"))
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)
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(with-test-prefix "multiple occurrences"
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(define (test9 . args)
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(equal? (getopt-long (cons "foo" args)
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'((inc (single-char #\I) (value #t))
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(foo (single-char #\f))))
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'((()) (inc . "2") (foo . #t) (inc . "1"))))
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;; terminology:
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;; sf -- single-char free
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;; sa -- single-char abutted
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;; lf -- long free
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;; la -- long abutted (using "=")
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(pass-if "sf/sf" (test9 "-I" "1" "-f" "-I" "2"))
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(pass-if "sa/sa" (test9 "-I1" "-f" "-I2"))
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(pass-if "sf/sa" (test9 "-I" "1" "-f" "-I2"))
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(pass-if "sa/sf" (test9 "-I1" "-f" "-I" "2"))
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(pass-if "lf/lf" (test9 "--inc" "1" "-f" "--inc" "2"))
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(pass-if "la/la" (test9 "--inc=1" "-f" "--inc=2"))
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(pass-if "lf/la" (test9 "--inc" "1" "-f" "--inc=2"))
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(pass-if "la/lf" (test9 "--inc=1" "-f" "--inc" "2"))
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(pass-if "sf/lf" (test9 "-I" "1" "-f" "--inc" "2"))
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(pass-if "lf/sf" (test9 "--inc" "1" "-f" "-I" "2"))
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(pass-if "sf/la" (test9 "-I" "1" "-f" "--inc=2"))
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(pass-if "la/sf" (test9 "--inc=1" "-f" "-I" "2"))
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(pass-if "sa/lf" (test9 "-I1" "-f" "--inc" "2"))
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(pass-if "lf/sa" (test9 "--inc" "1" "-f" "-I2"))
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(pass-if "sa/la" (test9 "-I1" "-f" "--inc=2"))
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(pass-if "la/sa" (test9 "--inc=1" "-f" "-I2"))
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)
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(with-test-prefix "stop-at-first-non-option"
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(pass-if "guile-tools compile example"
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(equal? (getopt-long '("guile-tools" "compile" "-Wformat" "eval.scm" "-o" "eval.go")
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'((help (single-char #\h))
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(version (single-char #\v)))
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#:stop-at-first-non-option #t)
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'((() "compile" "-Wformat" "eval.scm" "-o" "eval.go"))))
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)
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;;; getopt-long.test ends here
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