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Lines 144-160
struct is_dynamic<dynamic_marker_t<T>> : public std::true_type {};
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#else |
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#else |
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#define dout_impl(cct, sub, v) \ |
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#define dout_impl(cct, sub, v) \ |
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do { \ |
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do { \ |
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const bool should_gather = [&](const auto cctX) { \ |
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const bool should_gather = [&](const auto cctX, auto sub_, auto v_) { \ |
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if constexpr (ceph::dout::is_dynamic<decltype(sub)>::value || \ |
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/* The check is performed on `sub_` and `v_` to leverage the C++'s \ |
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ceph::dout::is_dynamic<decltype(v)>::value) { \ |
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* guarantee on _discarding_ one of blocks of `if constexpr`, which \ |
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* includes also the checks for ill-formed code (`should_gather<>` \ |
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* must not be feed with non-const expresions), BUT ONLY within \ |
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* a template (thus the generic lambda) and under the restriction \ |
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* it's dependant on a parameter of this template). \ |
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* GCC prior to v14 was not enforcing these restrictions. */ \ |
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if constexpr (ceph::dout::is_dynamic<decltype(sub_)>::value || \ |
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ceph::dout::is_dynamic<decltype(v_)>::value) { \ |
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return cctX->_conf->subsys.should_gather(sub, v); \ |
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return cctX->_conf->subsys.should_gather(sub, v); \ |
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} else { \ |
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} else { \ |
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constexpr auto sub_helper = static_cast<decltype(sub_)>(sub); \ |
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constexpr auto v_helper = static_cast<decltype(v_)>(v); \ |
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/* The parentheses are **essential** because commas in angle \ |
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/* The parentheses are **essential** because commas in angle \ |
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* brackets are NOT ignored on macro expansion! A language's \ |
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* brackets are NOT ignored on macro expansion! A language's \ |
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* limitation, sorry. */ \ |
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* limitation, sorry. */ \ |
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return (cctX->_conf->subsys.template should_gather<sub, v>()); \ |
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return (cctX->_conf->subsys.template should_gather<sub_helper, \ |
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v_helper>()); \ |
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} \ |
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} \ |
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}(cct); \ |
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}(cct, sub, v); \ |
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\ |
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\ |
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if (should_gather) { \ |
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if (should_gather) { \ |
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ceph::logging::MutableEntry _dout_e(v, sub); \ |
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ceph::logging::MutableEntry _dout_e(v, sub); \ |
