Re: Making the preprocessor substitute a '#'

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Article #1682

#1682

From: Doug Gwyn
Date: Wed, 12 Sep 1990 19:15

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In article <6261@castle.ed.ac.uk> keith@earth.ox.ac.uk writes:
>#define FOO  # pragma bar
>The trouble is, of course that an ansi cpp interprets the # as a
>stringizing instruction.

No, stringizing occurs only when processing a replacement list for
a function-like macro, which FOO in this example is not.

However, your real problem is that replaced text is not rescanned
for preprocessing directives (including #pragma).

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Message-ID: <13825@smoke.BRL.MIL>

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References: <6261@castle.ed.ac.uk>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!mcgill-vision!snorkelwacker!usc!wuarchive!udel!haven!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.std.c
Subject: Re: Making the preprocessor substitute a '#'
Message-ID: <13825@smoke.BRL.MIL>
Date: 12 Sep 90 19:15:42 GMT
References: <6261@castle.ed.ac.uk>
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
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