32214ff608
* module/mes/psyntax-1.mes (syntax-rules): New syntax transformer, based on syntax-case. (define-syntax-rule): New macro. (let-syntax): New macro, for syntax-case. * tests/let-syntax.test: Switch to syntax-case. * tests/psyntax.test: Add syntax-rules and syntax-rule test.
69 lines
2 KiB
Scheme
Executable file
69 lines
2 KiB
Scheme
Executable file
#! /bin/sh
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# -*-scheme-*-
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echo ' ()' | cat $($(dirname $0)/../scripts/include.mes $0) $0 /dev/stdin | $(dirname $0)/../scripts/mes "$@"
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#paredit:||
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exit $?
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!#
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;;; -*-scheme-*-
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;;; Mes --- Maxwell Equations of Software
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;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
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;;;
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;;; let-syntax.test: This file is part of Mes.
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;;;
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;;; Mes 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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;;; Mes 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 Mes. If not, see <http://www.gnu.org/licenses/>.
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(mes-use-module (mes base-0))
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(mes-use-module (mes base))
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(mes-use-module (mes quasiquote))
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(mes-use-module (mes let))
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(mes-use-module (mes scm))
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(mes-use-module (mes psyntax-0))
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(mes-use-module (mes psyntax-pp))
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(mes-use-module (mes psyntax-1))
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(mes-use-module (mes test))
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(pass-if "first dummy" #t)
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(pass-if-not "second dummy" #f)
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(pass-if "let-syntax"
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(seq?
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(let-syntax ((when (syntax-rules ()
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((when condition exp ...)
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(if (not condition)
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(begin exp ...))))))
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(when #f 3))
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3))
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(pass-if "let-syntax no-leak"
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(seq?
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(when #f 3)
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*unspecified*))
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(pass-if "let-syntax"
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(sequal?
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(let-syntax ((when (syntax-rules ()
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((when condition exp ...)
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(if (not condition)
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(begin exp ...)))))
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(unless (syntax-rules ()
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((when condition exp ...)
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(if condition
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(begin exp ...))))))
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(list (when #f 0) (unless #t 1)))
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'(0 1)))
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(result 'report)
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