From: Ito Kazumitsu <kaz@maczuka.gcd.org>
To: kawa@sourceware.org
Subject: Re: Macro-generated define ignored?
Date: Thu, 10 Oct 2013 23:41:00 -0000 [thread overview]
Message-ID: <20131011.084059.437132900.kaz@maczuka.gcd.org> (raw)
In-Reply-To: <525710E0.9080202@bothner.com>
From: Per Bothner <per@bothner.com>
Subject: Re: Macro-generated define ignored?
Date: Thu, 10 Oct 2013 13:41:04 -0700
> This is an example of the power and the mystery of "macro hygiene".
> In this case there is an 'a' that is local to the syntax-rules,
> and there is an 'a' at the top-level scope. These are distinct
> scopes,
> so the reference to 'a' at top-level does not "see" the definition
> of 'a' generated by the macro.
Thank you for your explanation.
Is it accidental that the test script with the command line option
"--script" works as "expected"?
next prev parent reply other threads:[~2013-10-10 23:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-10 15:04 Ito Kazumitsu
2013-10-10 20:41 ` Per Bothner
2013-10-10 23:41 ` Ito Kazumitsu [this message]
2013-10-11 0:26 ` Per Bothner
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