Re: splitted source (decl, def) gives compile errors byy use for test suite

I've got an iterative rule set at home (at least if we're both thinking of
iterative in the same sense, where rules compose up of other rules). I can
send some snippets a little later.

As for the testing suite I'll take a look at what I have and see if it
helps.

On Thu., 2 Mar. 2017, 6:07 pm Olaf Peter, <[email protected]> wrote:

> Hello Tom,
>
> > I've had success using the method used in the calc examples:
> >
> > https://github.com/boostorg/spirit/tree/develop/example/x3/calc/calc7
> >
> > Have a
> > String_literal.hpp
> > String_literal_def.hpp
> > String_literal.cpp
>
> yes, I use this approach. The problem rise if I want to test each
> production in a test suite. calc7 shows:
>
> namespace client {
>      ...
>      namespace calculator_grammar {
>          struct expression_class;
>          typedef x3::rule<expression_class, ast::expression>
>                 expression_type;
>          BOOST_SPIRIT_DECLARE(expression_type);
>      }
>      calculator_grammar::expression_type expression();
> }
>
> and expose the top rule, but for testing parts of the grammar a lot of
> them are required.
>
> The other question may be behind: How to clever write iterativ the rule
> definitions to avoid drowning in compiler errors?
>
>
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