Re: x3 static initialisation problems

On 11/12/2017 4:10 AM, Dirk Bonekämper wrote:
> 
>> Hope you can clarify what made you post this, so the intended audience
>> gets interested.
> 
> Hi Seth,
> sorry for being obtuse. What I want to say is that the example code in
> calc7/8/9 for separately compiled rules is prone to the static intialization
> order fiasco.
> 
> For example, take calc9/expression_def.hpp. If client::expression() gets
> called before the local static constructors have run, I see two problems:
> 1. add_keywords() calls class memnber functions on uninitialized objects
> 2. expression() returns a reference to an uninitialized object.
> 
> Possible solutions;
> 1. call add_keywords() from the ctor of a file local helper object.
> 2. return a Meyers singleton from expression().

I'm having difficulties with the mailing list. This is my third attempt
to reply to this thread. I hope it gets in.

Well, I wrote the examples, so I should know. Very good points, actually.
If you have a PR, that would be good. Otherwise, I'll try to get some time
to fix it.

Thanks!

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


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