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From: HiPhish <hiphish@posteo.de>
To: rain1@airmail.cc
Cc: guile-user@gnu.org
Subject: Re: A macro containing a mini-macro?
Date: Sun, 16 Sep 2018 00:21:48 +0200	[thread overview]
Message-ID: <2851503.udm261mnLh@aleksandar-ixtreme-m5740> (raw)
In-Reply-To: <75b134ef995e81bb55db8e583f602a02@airmail.cc>

I don't quite follow; having a macro for the byte DSL is simple:

    (define-syntax byte-dsl
       (syntax-rules ()
        ((_ byte) (list byte))
        ((_ count byte) (make-list count byte byte))))

But this requires every byte specification to be written as `(byte-dsl 0x00)`, 
which I want to avoid in my test-case DSL. I want to be able to write

    (test-case 13 (#x01 #x02 (4 #xAB) #xFF))

This requires being able to match either `byte` or `(amount byte)` inside the 
test-case pattern.

rain1@airmail.cc wrote:
> You can implement the DSL that transforms bytevector descriptions like
> (#xDC (16 #x00)) into a bytevector as a procedure, suppose we call it
> byte-dsl. Then you only need to change u8-list->bytevector with
> byte-dsl. This lets you do what you wanted without the difficult task of
> macros inside macros.







  reply	other threads:[~2018-09-15 22:21 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-13 22:04 A macro containing a mini-macro? HiPhish
2018-09-13 22:24 ` rain1
2018-09-15 22:21   ` HiPhish [this message]
2018-09-29  0:28 ` Mark H Weaver
2018-09-29  0:58   ` Mark H Weaver
2018-09-29  7:37   ` Arne Babenhauserheide
2018-11-02 22:32   ` HiPhish

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