24 lines
663 B
Racket
24 lines
663 B
Racket
#lang racket/base
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;;; SPDX-License-Identifier: LGPL-3.0-or-later
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;;; SPDX-FileCopyrightText: Copyright © 2021 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
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(provide (for-syntax <when>
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<name>
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<daemon?>))
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(require (for-syntax racket/base))
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(require (for-syntax syntax/parse))
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(begin-for-syntax
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(define-splicing-syntax-class <when>
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(pattern (~seq #:when E))
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(pattern (~seq) #:attr E #'#t))
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(define-splicing-syntax-class <name>
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(pattern (~seq #:name N))
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(pattern (~seq) #:attr N #''?))
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(define-splicing-syntax-class <daemon?>
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(pattern (~seq #:daemon? D))
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(pattern (~seq) #:attr D #'#f)))
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