Re: Spirit X3 with on_success() calls on VS2015

On 17/03/2016 10:54 PM, Mikael Asplund wrote:
> Hi!
>
> I seem to have run into a bug in spirit x3 (or more likely in VS2015, but there is no
> workaround in spirit).
>
> I have a small unit test like this:
>
> structXXX: x3::annotate_on_success{};
>
> ...
>
> autoa= x3::detail::has_on_success<XXX, parser::iterator_type, x3::unused_type,
> ast::Identifier&>();
>
> typedefdecltype(XXX().on_success(std::declval<iterator_type&>(),
> std::declval<iterator_type>(), std::declval<ast::Identifier&>(), x3::unused)) type;
>
> boolb= a;
>
> ensure(b);
>
> ...
>
> This builds fine on both Linux (clang and g++) and Windows (VS2015 Update 1-2 CTP), but
> the test (ensure()) fails on Windows only.
>
> That the typedef builds fine would indicate to me that the method is there and should be
> no problem calling (and again, this builds fine in VS2015, too).
>
> However, has_on_success somehow fails to detect this in VS2015, but it works fine on Linux.
>
> This results in my on_success() not being called on Windows.  I'm looking into this, but
> wanted to ask if someone have seen this before and is aware of this problem and why it
> occurs? Maybe someone with more knowledge is this area that can figure it out quickly?

Wow, I applaud your heroic efforts. I wish I can help more but I've given up on
this compiler a long time ago. This compiler reminds me of endless days trying
to figure out ICEs.

Regards,
-- 
Joel de Guzman
http://www.ciere.com
http://boost-spirit.com
http://www.cycfi.com/


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