Re: Design/structure X3 parser more like Qi parser

On 01/04/2017 12:39 PM, Larry Evans wrote:
> On 12/20/2016 03:02 AM, Sandro Pirkwieser wrote:
>  > Hi Larry,
>  >
>  >> This doesn't use BOOST_SPIRIT_DEFINE, and I don't think it can because
>  >> that would generate one or more parse_rule's template functions within
>  >> the make_csv_parser function.  Is that right?
>  >> If so, then wouldn't that make this method slower to compile than if
>  >> BOOST_SPIRIT_DEFINE could be used?
>  >
>  > yes, to my knowledge using BOOST_SPIRIT_DEFINE inside a function,
> e.g. make_csv_parser, is not possible.
>  > But I don't know whether this influences compile time.
>
> According to:
>
> https://github.com/cppljevans/spirit/blob/get_rhs/workbench/x3/rule_defns/bench.tmp
>
> there's a significant compile-time penalty without using
> BOOST_SPIRIT_DEFINE.
>
The bench.tmp now includes a 5th method and rules starting at 8.



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