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>We aim to please :-) Sorry about the delay. You'll find enclosed something that I think is the way to go. It's zero-alloc, as fast as mainline, per-facet, extensible for user-defined facets, removes the known issues and problems with the current approach, etc, etc etc. This is somewhat like the libstdc++-v3.20030429-base-idea sources, in that the facet is now made up of the cache, not the other way around. Encapsulation seems like a better way to go with this. I have to add three test cases around the caching issue, but I'll do it later. Let me know what you think. I'd like to go through and do num_get (painless now), as well as the other data facets (__timepunct, __moneypuncts) in a similar style. best, benjamin tested x86/linux tested x86/linux --enable-clocale=generic 2003-06-26 Benjamin Kosnik <bkoz@redhat.com> * include/bits/ios_base.h (ios_base::_M_getloc): Return reference to the imbued locale. * include/bits/locale_facets.tcc (num_put::_M_convert_int): Use _M_getloc. (num_put::_M_convert_float): Use. 2003-06-26 Benjamin Kosnik <bkoz@redhat.com> Jerry Quinn <jlquinn@optonline.net> * config/linker-map.gnu: Add __numpunct_cache. * config/locale/gnu/numeric_members.cc (numpunct::_M_initialize_numpunct): Account for _M_data, fill in all elements for "C" locale. (numpunct::~numpunct): Delete _M_data. * config/locale/generic/numeric_members.cc: Same. * include/bits/basic_ios.tcc (basic_ios::init): Remove __locale_cache bits. (basic_ios::_M_cache_locale): Same. * include/bits/ios_base.h: Same. Tweaks. * include/bits/locale_classes.h: Tweaks. Reorder classes. (__use_cache): Make friends with _Impl, locale. (_Impl::_M_caches): Add. (_Impl::_M_install_cache): Add. * include/bits/locale_facets.h (__numpunct_cache): New. (numpunct): Encapsulate data members in __numpunct_cache member, _M_data. Adjust virtuals. (numpunct::numpunct): New ctor for the same. (__locale_cache_base): Remove. (__locale_cache): Remove. * include/bits/locale_facets.tcc (__use_cache): New function, specializations. (num_put::_M_convert_int, _M_convert_float, do_put): Use it. * src/globals.cc: Add cache_vec, numpunct_cache_c, numpunct_cache_w. * src/ios.cc (ios_base::ios_base): Remove __locale_cache. * src/locale-inst.cc: Same. Add __numpunct_cache. * src/locale.cc: Tweak inlines. (__use_cache): Define specializations. * src/localename.cc: Use global bits. (_Impl::~Impl): Deal with __numpunct_cache destruction. (_Impl::_Impl): Same. Pre-cache standard numpunct facets. (_Impl::_M_init_facet): Take into account __numpunct_cache. * testsuite/27_io/ios_base/cons/assign_neg.cc: Update line numbers. * testsuite/27_io/ios_base/cons/copy_neg.cc: Same.
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