pybind/pybind11
1
0
Fork 0
mirror of https://github.com/pybind/pybind11.git synced 2026-06-08 15:29:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

Adding dedicated test_const_name. (#3578)

Browse Source 
* Adding dedicated test_const_name.

Also exercises pybind11::detail::_ backward compatibility.

See also: PR #3423

* Backing out tests involving int_to_str (requires C++17 or higher).

* Suppressing clang-tidy errors.

* Disabling test_const_name for MSVC 2015 due to bizarre failures.

* Stacking @pytest.mark.parametrize (thanks to @skylion007 for pointing out).
This commit is contained in:
Ralf W. Grosse-Kunstleve
2021-12-29 12:54:25 -08:00
committed by GitHub
parent 9b4f71d12d
commit 1bbaeb3462
5 changed files with 110 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
include/pybind11/detail/descr.h
View File

@@ -59,6 +59,7 @@ constexpr descr<0> const_name(char const(&)[1]) { return {}; }
template <size_t Rem, size_t... Digits> struct int_to_str : int_to_str<Rem/10, Rem%10, Digits...> { };
template <size_t...Digits> struct int_to_str<0, Digits...> {
// WARNING: This only works with C++17 or higher.
static constexpr auto digits = descr<sizeof...(Digits)>(('0' + Digits)...);
};
@@ -84,9 +85,12 @@ auto constexpr const_name() -> remove_cv_t<decltype(int_to_str<Size / 10, Size %
template <typename Type> constexpr descr<1, Type> const_name() { return {'%'}; }
// The "_" might be defined as a macro - don't define it if so.
// Repeating the const_name code to avoid introducing a #define.
// If "_" is defined as a macro, py::detail::_ cannot be provided.
// It is therefore best to use py::detail::const_name universally.
// This block is for backward compatibility only.
// (The const_name code is repeated to avoid introducing a "_" #define ourselves.)
#ifndef _
#define PYBIND11_DETAIL_UNDERSCORE_BACKWARD_COMPATIBILITY
template <size_t N>
constexpr descr<N-1> _(char const(&text)[N]) { return const_name<N>(text); }
template <bool B, size_t N1, size_t N2>
@@ -107,7 +111,7 @@ auto constexpr _() -> remove_cv_t<decltype(int_to_str<Size / 10, Size % 10>::dig
return const_name<Size>();
}
template <typename Type> constexpr descr<1, Type> _() { return const_name<Type>(); }
#endif
#endif // #ifndef _
constexpr descr<0> concat() { return {}; }