Re: Horrible compiletimes and memory usage while compiling a parser with X3

On 11/12/2016 07:15 AM, Larry Evans wrote:
> On 11/10/2016 09:05 PM, Larry Evans wrote:
>> On 11/10/2016 06:11 PM, Larry Evans wrote:
>>> On 11/09/2016 05:55 PM, Joel de Guzman wrote:
>> [snip]
>>
>>>> I'll look into this next. I believe there's a smart solution to this
>>>> linking issue. It's a matter of syncing what you declare with what
>>>> you actually use.
>>>>
>>>> Regards,
>>>>
>>> Thanks Joel.
>>>
>> [snip]
>> The latest commit:
>>
>> https://github.com/cppljevans/boost_1_61_problem/commit/8386602c2653600335d536cdd489b60d5a1433a8
>>
>> pointed out an oddity in the link error message.
>> The undefined reference was for parse_rule for
>> the count rule but the start attribute.
>>
> Well, maybe not so odd.
> Going through a gdb trace helps me see what's happening.
> Sorry for noise.

My gdb trace shows:

(gdb) up
#2  0x0000000000401e2c in 
boost::spirit::x3::detail::parse_sequence<boost::spirit::x3::sequence<boost::spirit::x3::omit_directive<boost::spirit::x3::any_char<boost::spirit::char_encoding::standard> 
 >, boost::spirit::x3::rule<count_class, ast::Count, false> >, 
__gnu_cxx::__normal_iterator<char const*, 
std::__cxx11::basic_string<char, std::char_traits<char>, 
std::allocator<char> > >, boost::spirit::x3::unused_type, ast::Start, 
ast::Start> (parser=..., first=..., last=..., context=..., rcontext=..., 
attr=...) at 
/home/evansl/prog_dev/boost/releases/ro/boost_1_61_0/boost/spirit/home/x3/operator/detail/sequence.hpp:312
312	            && parser.right.parse(first, last, context, rcontext, 
r_attr))
(gdb) ptype r_attr
type = struct ast::Start {
     ast::Count count;
} &
(gdb)

shouldn't the r_attr be that for rule<count_class,ast::Count>, or
ast::Count?

-regards,
Larry



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