Re: Design/structure X3 parser more like Qi parser

2016-12-20 20:34 GMT+08:00 Larry Evans <[email protected]>:
>
> I've updated the code to use an Ops template parameter to
> the calc1_gram::gram_deriv:
>
> https://github.com/cppljevans/spirit/blob/ExagonLinkingError/workbench/
> x3/rule_defns/parse_rule_crtp.cpp#L160
>
> The Ops parameter shows how to change the character use for
> the arithmetic operators somewhat like the main_x3's
> make_csv_parser's fieldSep argument.
>
> That method is not as "clean" as passing a runtime parameter
> thru the argument list, but it's close.
>
> I failed to find documentation for the x3::with; hence, I
> couldn't try that.  I even tried grepping the source code;
> however, all I found was names beginning with with_ but no
> x3::with.  That was with boost_1_61_0.  Do you know where I
> could find examples or documentation of x3::with?
>

https://github.com/boostorg/spirit/blob/develop/test/x3/with.cpp

Basically, it allows you to inject some data into the context with a tag.

I like your class-based grammar encapsulation, seems you took a step in the
right direction.
It'd be great if you could integrate it into real X3 codebase not just
some workbench ;)

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