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7c861ab4f4
This follows up on commit 974b04ab80, which
I tested with the wrong test (tests/style.scm) instead. Oops.
* tests/read-print.scm: Update two TEST-PRETTY-PRINT strings.
436 lines
9.8 KiB
Scheme
436 lines
9.8 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2021-2023 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU 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 GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (tests-style)
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#:use-module (guix read-print)
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#:use-module (guix gexp) ;for the reader extensions
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#:use-module (srfi srfi-34)
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#:use-module (srfi srfi-35)
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#:use-module (srfi srfi-64)
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#:use-module (ice-9 match))
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(define-syntax-rule (test-pretty-print str args ...)
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"Test equality after a round-trip where STR is passed to
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'read-with-comments' and the resulting sexp is then passed to
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'pretty-print-with-comments'."
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(test-equal str
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(call-with-output-string
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(lambda (port)
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(let ((exp (call-with-input-string str
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read-with-comments)))
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(pretty-print-with-comments port exp args ...))))))
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(define-syntax-rule (test-pretty-print/sequence str args ...)
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"Likewise, but read and print entire sequences rather than individual
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expressions."
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(test-equal str
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(call-with-output-string
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(lambda (port)
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(let ((lst (call-with-input-string str
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read-with-comments/sequence)))
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(pretty-print-with-comments/splice port lst args ...))))))
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(test-begin "read-print")
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(test-assert "read-with-comments: missing closing paren"
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(guard (c ((error? c) #t))
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(call-with-input-string "(what is going on?"
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read-with-comments)))
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(test-equal "read-with-comments: dot notation"
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(cons 'a 'b)
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(call-with-input-string "(a . b)"
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read-with-comments))
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(test-equal "read-with-comments: half dot notation"
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'(lambda x x)
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(call-with-input-string "(lambda (. x) x)"
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read-with-comments))
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(test-equal "read-with-comments: list with blank line"
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`(list with ,(vertical-space 1) blank line)
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(call-with-input-string "\
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(list with
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blank line)\n"
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read-with-comments))
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(test-equal "read-with-comments: list with multiple blank lines"
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`(list with ,(comment ";multiple\n" #t)
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,(vertical-space 3) blank lines)
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(call-with-input-string "\
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(list with ;multiple
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blank lines)\n"
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read-with-comments))
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(test-equal "read-with-comments: top-level blank lines"
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(list (vertical-space 2) '(a b c) (vertical-space 2))
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(call-with-input-string "
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(a b c)\n\n"
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(lambda (port)
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(list (read-with-comments port)
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(read-with-comments port)
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(read-with-comments port)))))
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(test-equal "read-with-comments: top-level page break"
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(list (comment ";; Begin.\n") (vertical-space 1)
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(page-break)
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(comment ";; End.\n"))
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(call-with-input-string "\
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;; Begin.
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;; End.\n"
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(lambda (port)
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(list (read-with-comments port)
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(read-with-comments port)
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(read-with-comments port)
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(read-with-comments port)))))
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(test-pretty-print "(list 1 2 3 4)")
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(test-pretty-print "((a . 1) (b . 2))")
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(test-pretty-print "(a b c . boom)")
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(test-pretty-print "(list 1
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2
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3
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4)"
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#:long-list 3
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#:indent 20)
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(test-pretty-print "\
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(list abc
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def)"
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#:max-width 11)
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(test-pretty-print "\
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(#:foo
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#:bar)"
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#:max-width 10)
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(test-pretty-print "\
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(#:first 1
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#:second 2
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#:third 3)")
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(test-pretty-print "\
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((x
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1)
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(y
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2)
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(z
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3))"
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#:max-width 3)
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(test-pretty-print "\
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(let ((x 1)
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(y 2)
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(z 3)
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(p 4))
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(+ x y))"
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#:max-width 11)
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(test-pretty-print "\
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(begin
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1+ 1- 123/ 456*
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(1+ 41))")
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(test-pretty-print "\
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(lambda (x y)
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;; This is a procedure.
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(let ((z (+ x y)))
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(* z z)))")
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(test-pretty-print "\
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(case x
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((1)
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'one)
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((2)
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'two))")
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(test-pretty-print "\
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(cond
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((zero? x)
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'zero)
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((odd? x)
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'odd)
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(else #f))")
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(test-pretty-print "\
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#~(string-append #$coreutils \"/bin/uname\")")
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(test-pretty-print "\
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(package
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(inherit coreutils)
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(version \"42\"))")
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(test-pretty-print "\
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(modify-phases %standard-phases
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(add-after 'unpack 'post-unpack
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(lambda _
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#t))
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(add-before 'check 'pre-check
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(lambda* (#:key inputs #:allow-other-keys)
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do things ...)))")
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(test-pretty-print "\
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(#:phases (modify-phases sdfsdf
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(add-before 'x 'y
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(lambda _
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xyz))))")
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(test-pretty-print "\
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(string-append \"a\\tb\" \"\\n\")")
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(test-pretty-print "\
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(display \"This is a very long string.
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It contains line breaks, which are preserved,
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because it's a long string.\")")
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(test-pretty-print "\
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(description \"abcdefghijkl
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mnopqrstuvwxyz.\")"
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#:max-width 30)
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(test-pretty-print "\
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(description
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\"abcdefghijkl
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mnopqrstuvwxyz.\")"
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#:max-width 12)
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(test-pretty-print "\
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(description
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\"abcdefghijklmnopqrstuvwxyz\")"
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#:max-width 33)
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(test-pretty-print "\
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(list ;margin comment
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a b c)")
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(test-pretty-print "\
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(list
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;; This is a line comment immediately following the list head.
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#:test-flags #~(list \"-m\" \"not external and not samples\"))")
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(test-pretty-print "\
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(modify-phases %standard-phases
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(replace 'build
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;; Nicely indented in 'modify-phases' context.
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(lambda _
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#t)))")
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(test-pretty-print "\
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(modify-inputs inputs
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;; Regular indentation for 'replace' here.
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(replace \"gmp\" gmp))")
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(test-pretty-print "\
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#~(modify-phases phases
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(add-after 'whatever 'something-else
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(lambda _
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;; This comment appears inside a gexp.
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42)))")
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(test-pretty-print "\
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#~(list #$@(list coreutils ;yup
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grep) ;margin comment
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#+sed
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;; Line comment.
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#$grep)")
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(test-pretty-print "\
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(package
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;; Here 'source', 'sha256', and 'arguments' must be
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;; immediately followed by a newline.
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(source
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(origin
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(method url-fetch)
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(sha256
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(base32 \"not a real base32 string\"))))
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(arguments
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'(#:phases %standard-phases
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#:tests? #f)))")
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;; '#:key value' is kept on the same line.
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(test-pretty-print "\
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(package
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(name \"keyword-value-same-line\")
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(arguments
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(list
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#:phases #~(modify-phases %standard-phases
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(add-before 'x 'y
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(lambda* (#:key inputs #:allow-other-keys)
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(foo bar baz))))
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#:make-flags #~'(\"ANSWER=42\")
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#:tests? #f)))")
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(test-pretty-print "\
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(let ((x 1)
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(y 2)
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(z (let* ((a 3)
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(b 4))
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(+ a b))))
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(list x y z))")
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(test-pretty-print "\
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(begin
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(chmod \"foo\" #o750)
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(chmod port
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(logand #o644
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(lognot (umask))))
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(logand #x7f xyz))")
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(test-pretty-print "\
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(substitute-keyword-arguments (package-arguments x)
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((#:phases phases)
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`(modify-phases ,phases
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(add-before 'build 'do-things
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(lambda _
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#t))))
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((#:configure-flags flags)
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`(cons \"--without-any-problem\"
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,flags)))")
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(test-pretty-print "\
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(vertical-space one:
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two:
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three:
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end)")
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(test-pretty-print "\
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(vertical-space one
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;; Comment after blank line.
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two)")
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(test-pretty-print "\
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(begin
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break
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;; page break above
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end)")
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(test-pretty-print "\
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(home-environment
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(services
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(list (service-type home-bash-service-type))))")
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(test-pretty-print/sequence "\
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;;; This is a top-level comment.
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;; Above is a page break.
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(this is an sexp
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;; with a comment
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!!)
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;; The end.\n")
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(test-pretty-print/sequence "
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;;; Hello!
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;;; Notice that there are three semicolons here.
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(define-module (foo bar)
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#:use-module (guix)
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#:use-module (gnu))
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;; And now, the OS.
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(operating-system
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(host-name \"komputilo\")
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(locale \"eo_EO.UTF-8\")
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(services
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(cons (service mcron-service-type) %base-services)))\n"
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#:format-comment canonicalize-comment)
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(test-equal "pretty-print-with-comments, canonicalize-comment"
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"\
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(list abc
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;; Not a margin comment.
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;; Ditto.
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;;
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;; There's a blank line above.
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def ;margin comment
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ghi)"
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(let ((sexp (call-with-input-string
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"\
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(list abc
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;Not a margin comment.
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;;; Ditto.
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;;;;;
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; There's a blank line above.
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def ;; margin comment
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ghi)"
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read-with-comments)))
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(call-with-output-string
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(lambda (port)
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(pretty-print-with-comments port sexp
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#:format-comment
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canonicalize-comment)))))
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(test-equal "pretty-print-with-comments, canonicalize-vertical-space"
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"\
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(list abc
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def
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;; last one
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ghi)"
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(let ((sexp (call-with-input-string
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"\
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(list abc
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def
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;; last one
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ghi)"
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read-with-comments)))
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(call-with-output-string
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(lambda (port)
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(pretty-print-with-comments port sexp
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#:format-vertical-space
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canonicalize-vertical-space)))))
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(test-equal "pretty-print-with-comments, multi-line comment"
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"\
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(list abc
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;; This comment spans
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;; two lines.
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def)"
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(call-with-output-string
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(lambda (port)
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(pretty-print-with-comments port
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`(list abc ,(comment "\
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;; This comment spans\n
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;; two lines.\n")
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def)))))
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(test-end)
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