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Re: how to compute offset of data member at compile time (virtual class)

From: John Gateley <gateley at jriver dot com>
To: skaller <skaller at users dot sourceforge dot net>
Cc: Andrew Haley <aph-gcc at littlepinkcloud dot COM>, gcc-help at gcc dot gnu dot org
Date: Thu, 25 Oct 2007 14:08:30 -0500
Subject: Re: how to compute offset of data member at compile time (virtual class)
References: <20071025111948.2369cb94.gateley@jriver.com> <18208.51943.281679.616922@zebedee.pink> <1193338760.15667.72.camel@rosella.wigram>

On Fri, 26 Oct 2007 04:59:20 +1000
skaller <skaller@users.sourceforge.net> wrote:

> I use offsetof() on constructible types with virtual functions
> extensively in Felix to calculate the offsets of every pointer
> in every heap allocated data type. Thankfully gcc has a switch
> now which allows this, -Wno-invalid-offsetof, because it is the 
> only way to get the information required, and the 
> information is mandatory for my garbage collector. It works fine
> on MSVC++ too.

THANK YOU! I'd missed the -Wno-invalid-offsetof switch, that
did the trick.

j

-- 
John Gateley <gateley@jriver.com>

References:
- how to compute offset of data member at compile time (virtual class)
  - From: John Gateley
- Re: how to compute offset of data member at compile time (virtual class)
  - From: Andrew Haley
- Re: how to compute offset of data member at compile time (virtual class)
  - From: skaller

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