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fix: avoiding usage of _ if already defined (#3423)

Browse Source 
* fix: avoid usage of _

* ci: test _ defined

* docs: include change in docs

* fix: add a test and comment

* refactor: const_str -> const_name
This commit is contained in:
Henry Schreiner 2021-12-21 14:24:21 -05:00 committed by GitHub
parent b3d9c3543d
commit 39fbc7992b
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GPG Key ID: 4AEE18F83AFDEB23
20 changed files with 94 additions and 75 deletions
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4
.github/workflows/ci.yml vendored
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@ -44,6 +44,7 @@ jobs:
python: '3.6'
args: >
-DPYBIND11_FINDPYTHON=ON
-DCMAKE_CXX_FLAGS="-D_=1"
- runs-on: windows-latest
python: '3.6'
args: >
@ -68,7 +69,8 @@ jobs:
python-version: ${{ matrix.python }}
- name: Setup Boost (Linux)
if: runner.os == 'Linux'
# Can't use boost + define _
if: runner.os == 'Linux' && matrix.python != '3.6'
run: sudo apt-get install libboost-dev
- name: Setup Boost (macOS)

2
docs/advanced/cast/custom.rst
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@ -46,7 +46,7 @@ type is explicitly allowed.
* function signatures and declares a local variable
* 'value' of type inty
*/
PYBIND11_TYPE_CASTER(inty, _("inty"));
PYBIND11_TYPE_CASTER(inty, const_name("inty"));
/**
* Conversion part 1 (Python->C++): convert a PyObject into a inty

4
docs/upgrade.rst
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@ -17,6 +17,10 @@ v2.9
converted to using ``py::module_::import("types").attr("SimpleNamespace")``
instead.
* The use of ``_`` in custom type casters can now be replaced with the more
readable ``const_name`` instead. The old ``_`` shortcut has been retained
unless it is being used as a macro (like for gettext).
.. _upgrade-guide-2.7:

30
include/pybind11/cast.h
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@ -208,7 +208,7 @@ public:
return PyLong_FromUnsignedLongLong((unsigned long long) src);
}
PYBIND11_TYPE_CASTER(T, _<std::is_integral<T>::value>("int", "float"));
PYBIND11_TYPE_CASTER(T, const_name<std::is_integral<T>::value>("int", "float"));
};
template<typename T> struct void_caster {
@ -221,7 +221,7 @@ public:
static handle cast(T, return_value_policy /* policy */, handle /* parent */) {
return none().inc_ref();
}
PYBIND11_TYPE_CASTER(T, _("None"));
PYBIND11_TYPE_CASTER(T, const_name("None"));
};
template <> class type_caster<void_type> : public void_caster<void_type> {};
@ -264,7 +264,7 @@ public:
template <typename T> using cast_op_type = void*&;
explicit operator void *&() { return value; }
static constexpr auto name = _("capsule");
static constexpr auto name = const_name("capsule");
private:
void *value = nullptr;
};
@ -315,7 +315,7 @@ public:
static handle cast(bool src, return_value_policy /* policy */, handle /* parent */) {
return handle(src ? Py_True : Py_False).inc_ref();
}
PYBIND11_TYPE_CASTER(bool, _("bool"));
PYBIND11_TYPE_CASTER(bool, const_name("bool"));
};
// Helper class for UTF-{8,16,32} C++ stl strings:
@ -405,7 +405,7 @@ template <typename StringType, bool IsView = false> struct string_caster {
return s;
}
PYBIND11_TYPE_CASTER(StringType, _(PYBIND11_STRING_NAME));
PYBIND11_TYPE_CASTER(StringType, const_name(PYBIND11_STRING_NAME));
private:
static handle decode_utfN(const char *buffer, ssize_t nbytes) {
@ -542,7 +542,7 @@ public:
return one_char;
}
static constexpr auto name = _(PYBIND11_STRING_NAME);
static constexpr auto name = const_name(PYBIND11_STRING_NAME);
template <typename _T> using cast_op_type = pybind11::detail::cast_op_type<_T>;
};
@ -579,7 +579,7 @@ public:
return cast(*src, policy, parent);
}
static constexpr auto name = _("Tuple[") + concat(make_caster<Ts>::name...) + _("]");
static constexpr auto name = const_name("Tuple[") + concat(make_caster<Ts>::name...) + const_name("]");
template <typename T> using cast_op_type = type;
@ -764,14 +764,14 @@ template <typename base, typename holder> struct is_holder_type :
template <typename base, typename deleter> struct is_holder_type<base, std::unique_ptr<base, deleter>> :
std::true_type {};
template <typename T> struct handle_type_name { static constexpr auto name = _<T>(); };
template <> struct handle_type_name<bytes> { static constexpr auto name = _(PYBIND11_BYTES_NAME); };
template <> struct handle_type_name<int_> { static constexpr auto name = _("int"); };
template <> struct handle_type_name<iterable> { static constexpr auto name = _("Iterable"); };
template <> struct handle_type_name<iterator> { static constexpr auto name = _("Iterator"); };
template <> struct handle_type_name<none> { static constexpr auto name = _("None"); };
template <> struct handle_type_name<args> { static constexpr auto name = _("*args"); };
template <> struct handle_type_name<kwargs> { static constexpr auto name = _("**kwargs"); };
template <typename T> struct handle_type_name { static constexpr auto name = const_name<T>(); };
template <> struct handle_type_name<bytes> { static constexpr auto name = const_name(PYBIND11_BYTES_NAME); };
template <> struct handle_type_name<int_> { static constexpr auto name = const_name("int"); };
template <> struct handle_type_name<iterable> { static constexpr auto name = const_name("Iterable"); };
template <> struct handle_type_name<iterator> { static constexpr auto name = const_name("Iterator"); };
template <> struct handle_type_name<none> { static constexpr auto name = const_name("None"); };
template <> struct handle_type_name<args> { static constexpr auto name = const_name("*args"); };
template <> struct handle_type_name<kwargs> { static constexpr auto name = const_name("**kwargs"); };
template <typename type>
struct pyobject_caster {

4
include/pybind11/chrono.h
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@ -97,7 +97,7 @@ public:
return PyDelta_FromDSU(dd.count(), ss.count(), us.count());
}
PYBIND11_TYPE_CASTER(type, _("datetime.timedelta"));
PYBIND11_TYPE_CASTER(type, const_name("datetime.timedelta"));
};
inline std::tm *localtime_thread_safe(const std::time_t *time, std::tm *buf) {
@ -195,7 +195,7 @@ public:
localtime.tm_sec,
us.count());
}
PYBIND11_TYPE_CASTER(type, _("datetime.datetime"));
PYBIND11_TYPE_CASTER(type, const_name("datetime.datetime"));
};
// Other clocks that are not the system clock are not measured as datetime.datetime objects

2
include/pybind11/complex.h
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@ -59,7 +59,7 @@ public:
return PyComplex_FromDoubles((double) src.real(), (double) src.imag());
}
PYBIND11_TYPE_CASTER(std::complex<T>, _("complex"));
PYBIND11_TYPE_CASTER(std::complex<T>, const_name("complex"));
};
PYBIND11_NAMESPACE_END(detail)
PYBIND11_NAMESPACE_END(PYBIND11_NAMESPACE)

28
include/pybind11/detail/descr.h
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@ -53,9 +53,17 @@ constexpr descr<N1 + N2, Ts1..., Ts2...> operator+(const descr<N1, Ts1...> &a, c
return plus_impl(a, b, make_index_sequence<N1>(), make_index_sequence<N2>());
}
template <size_t N>
constexpr descr<N - 1> const_name(char const(&text)[N]) { return descr<N - 1>(text); }
constexpr descr<0> const_name(char const(&)[1]) { return {}; }
// The "_" might be defined as a macro - don't define it if so.
// Repeating the const_name code to avoid introducing a #define.
#ifndef _
template <size_t N>
constexpr descr<N - 1> _(char const(&text)[N]) { return descr<N - 1>(text); }
constexpr descr<0> _(char const(&)[1]) { return {}; }
#endif
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...> {
@ -64,25 +72,25 @@ template <size_t...Digits> struct int_to_str<0, Digits...> {
// Ternary description (like std::conditional)
template <bool B, size_t N1, size_t N2>
constexpr enable_if_t<B, descr<N1 - 1>> _(char const(&text1)[N1], char const(&)[N2]) {
return _(text1);
constexpr enable_if_t<B, descr<N1 - 1>> const_name(char const(&text1)[N1], char const(&)[N2]) {
return const_name(text1);
}
template <bool B, size_t N1, size_t N2>
constexpr enable_if_t<!B, descr<N2 - 1>> _(char const(&)[N1], char const(&text2)[N2]) {
return _(text2);
constexpr enable_if_t<!B, descr<N2 - 1>> const_name(char const(&)[N1], char const(&text2)[N2]) {
return const_name(text2);
}
template <bool B, typename T1, typename T2>
constexpr enable_if_t<B, T1> _(const T1 &d, const T2 &) { return d; }
constexpr enable_if_t<B, T1> const_name(const T1 &d, const T2 &) { return d; }
template <bool B, typename T1, typename T2>
constexpr enable_if_t<!B, T2> _(const T1 &, const T2 &d) { return d; }
constexpr enable_if_t<!B, T2> const_name(const T1 &, const T2 &d) { return d; }
template <size_t Size>
auto constexpr _() -> remove_cv_t<decltype(int_to_str<Size / 10, Size % 10>::digits)> {
auto constexpr const_name() -> remove_cv_t<decltype(int_to_str<Size / 10, Size % 10>::digits)> {
return int_to_str<Size / 10, Size % 10>::digits;
}
template <typename Type> constexpr descr<1, Type> _() { return {'%'}; }
template <typename Type> constexpr descr<1, Type> const_name() { return {'%'}; }
constexpr descr<0> concat() { return {}; }
@ -92,12 +100,12 @@ constexpr descr<N, Ts...> concat(const descr<N, Ts...> &descr) { return descr; }
template <size_t N, typename... Ts, typename... Args>
constexpr auto concat(const descr<N, Ts...> &d, const Args &...args)
-> decltype(std::declval<descr<N + 2, Ts...>>() + concat(args...)) {
return d + _(", ") + concat(args...);
return d + const_name(", ") + concat(args...);
}
template <size_t N, typename... Ts>
constexpr descr<N + 2, Ts...> type_descr(const descr<N, Ts...> &descr) {
return _("{") + descr + _("}");
return const_name("{") + descr + const_name("}");
}
PYBIND11_NAMESPACE_END(detail)

2
include/pybind11/detail/init.h
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@ -24,7 +24,7 @@ public:
template <typename> using cast_op_type = value_and_holder &;
explicit operator value_and_holder &() { return *value; }
static constexpr auto name = _<value_and_holder>();
static constexpr auto name = const_name<value_and_holder>();
private:
value_and_holder *value = nullptr;

2
include/pybind11/detail/type_caster_base.h
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@ -897,7 +897,7 @@ template <typename type> class type_caster_base : public type_caster_generic {
using itype = intrinsic_t<type>;
public:
static constexpr auto name = _<type>();
static constexpr auto name = const_name<type>();
type_caster_base() : type_caster_base(typeid(type)) { }
explicit type_caster_base(const std::type_info &info) : type_caster_generic(info) { }

20
include/pybind11/eigen.h
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@ -192,20 +192,20 @@ template <typename Type_> struct EigenProps {
static constexpr bool show_f_contiguous = !show_c_contiguous && show_order && requires_col_major;
static constexpr auto descriptor =
_("numpy.ndarray[") + npy_format_descriptor<Scalar>::name +
_("[") + _<fixed_rows>(_<(size_t) rows>(), _("m")) +
_(", ") + _<fixed_cols>(_<(size_t) cols>(), _("n")) +
_("]") +
const_name("numpy.ndarray[") + npy_format_descriptor<Scalar>::name +
const_name("[") + const_name<fixed_rows>(const_name<(size_t) rows>(), const_name("m")) +
const_name(", ") + const_name<fixed_cols>(const_name<(size_t) cols>(), const_name("n")) +
const_name("]") +
// For a reference type (e.g. Ref<MatrixXd>) we have other constraints that might need to be
// satisfied: writeable=True (for a mutable reference), and, depending on the map's stride
// options, possibly f_contiguous or c_contiguous. We include them in the descriptor output
// to provide some hint as to why a TypeError is occurring (otherwise it can be confusing to
// see that a function accepts a 'numpy.ndarray[float64[3,2]]' and an error message that you
// *gave* a numpy.ndarray of the right type and dimensions.
_<show_writeable>(", flags.writeable", "") +
_<show_c_contiguous>(", flags.c_contiguous", "") +
_<show_f_contiguous>(", flags.f_contiguous", "") +
_("]");
const_name<show_writeable>(", flags.writeable", "") +
const_name<show_c_contiguous>(", flags.c_contiguous", "") +
const_name<show_f_contiguous>(", flags.f_contiguous", "") +
const_name("]");
};
// Casts an Eigen type to numpy array. If given a base, the numpy array references the src data,
@ -600,8 +600,8 @@ struct type_caster<Type, enable_if_t<is_eigen_sparse<Type>::value>> {
).release();
}
PYBIND11_TYPE_CASTER(Type, _<(Type::IsRowMajor) != 0>("scipy.sparse.csr_matrix[", "scipy.sparse.csc_matrix[")
+ npy_format_descriptor<Scalar>::name + _("]"));
PYBIND11_TYPE_CASTER(Type, const_name<(Type::IsRowMajor) != 0>("scipy.sparse.csr_matrix[", "scipy.sparse.csc_matrix[")
+ npy_format_descriptor<Scalar>::name + const_name("]"));
};
PYBIND11_NAMESPACE_END(detail)

4
include/pybind11/functional.h
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@ -113,8 +113,8 @@ public:
return cpp_function(std::forward<Func>(f_), policy).release();
}
PYBIND11_TYPE_CASTER(type, _("Callable[[") + concat(make_caster<Args>::name...) + _("], ")
+ make_caster<retval_type>::name + _("]"));
PYBIND11_TYPE_CASTER(type, const_name("Callable[[") + concat(make_caster<Args>::name...) + const_name("], ")
+ make_caster<retval_type>::name + const_name("]"));
};
PYBIND11_NAMESPACE_END(detail)

28
include/pybind11/numpy.h
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@ -39,7 +39,7 @@ class array; // Forward declaration
PYBIND11_NAMESPACE_BEGIN(detail)
template <> struct handle_type_name<array> { static constexpr auto name = _("numpy.ndarray"); };
template <> struct handle_type_name<array> { static constexpr auto name = const_name("numpy.ndarray"); };
template <typename type, typename SFINAE = void> struct npy_format_descriptor;
@ -290,7 +290,7 @@ template <typename T> struct array_info_scalar {
using type = T;
static constexpr bool is_array = false;
static constexpr bool is_empty = false;
static constexpr auto extents = _("");
static constexpr auto extents = const_name("");
static void append_extents(list& /* shape */) { }
};
// Computes underlying type and a comma-separated list of extents for array
@ -309,8 +309,8 @@ template <typename T, size_t N> struct array_info<std::array<T, N>> {
array_info<T>::append_extents(shape);
}
static constexpr auto extents = _<array_info<T>::is_array>(
concat(_<N>(), array_info<T>::extents), _<N>()
static constexpr auto extents = const_name<array_info<T>::is_array>(
concat(const_name<N>(), array_info<T>::extents), const_name<N>()
);
};
// For numpy we have special handling for arrays of characters, so we don't include
@ -1021,7 +1021,7 @@ template <typename T>
struct format_descriptor<T, detail::enable_if_t<detail::array_info<T>::is_array>> {
static std::string format() {
using namespace detail;
static constexpr auto extents = _("(") + array_info<T>::extents + _(")");
static constexpr auto extents = const_name("(") + array_info<T>::extents + const_name(")");
return extents.text + format_descriptor<remove_all_extents_t<T>>::format();
}
};
@ -1056,28 +1056,28 @@ struct npy_format_descriptor_name;
template <typename T>
struct npy_format_descriptor_name<T, enable_if_t<std::is_integral<T>::value>> {
static constexpr auto name = _<std::is_same<T, bool>::value>(
_("bool"), _<std::is_signed<T>::value>("numpy.int", "numpy.uint") + _<sizeof(T)*8>()
static constexpr auto name = const_name<std::is_same<T, bool>::value>(
const_name("bool"), const_name<std::is_signed<T>::value>("numpy.int", "numpy.uint") + const_name<sizeof(T)*8>()
);
};
template <typename T>
struct npy_format_descriptor_name<T, enable_if_t<std::is_floating_point<T>::value>> {
static constexpr auto name = _<std::is_same<T, float>::value
static constexpr auto name = const_name<std::is_same<T, float>::value
|| std::is_same<T, const float>::value
|| std::is_same<T, double>::value
|| std::is_same<T, const double>::value>(
_("numpy.float") + _<sizeof(T)*8>(), _("numpy.longdouble")
const_name("numpy.float") + const_name<sizeof(T)*8>(), const_name("numpy.longdouble")
);
};
template <typename T>
struct npy_format_descriptor_name<T, enable_if_t<is_complex<T>::value>> {
static constexpr auto name = _<std::is_same<typename T::value_type, float>::value
static constexpr auto name = const_name<std::is_same<typename T::value_type, float>::value
|| std::is_same<typename T::value_type, const float>::value
|| std::is_same<typename T::value_type, double>::value
|| std::is_same<typename T::value_type, const double>::value>(
_("numpy.complex") + _<sizeof(typename T::value_type)*16>(), _("numpy.longcomplex")
const_name("numpy.complex") + const_name<sizeof(typename T::value_type)*16>(), const_name("numpy.longcomplex")
);
};
@ -1105,7 +1105,7 @@ public:
};
#define PYBIND11_DECL_CHAR_FMT \
static constexpr auto name = _("S") + _<N>(); \
static constexpr auto name = const_name("S") + const_name<N>(); \
static pybind11::dtype dtype() { return pybind11::dtype(std::string("S") + std::to_string(N)); }
template <size_t N> struct npy_format_descriptor<char[N]> { PYBIND11_DECL_CHAR_FMT };
template <size_t N> struct npy_format_descriptor<std::array<char, N>> { PYBIND11_DECL_CHAR_FMT };
@ -1117,7 +1117,7 @@ private:
public:
static_assert(!array_info<T>::is_empty, "Zero-sized arrays are not supported");
static constexpr auto name = _("(") + array_info<T>::extents + _(")") + base_descr::name;
static constexpr auto name = const_name("(") + array_info<T>::extents + const_name(")") + base_descr::name;
static pybind11::dtype dtype() {
list shape;
array_info<T>::append_extents(shape);
@ -1705,7 +1705,7 @@ vectorize_extractor(const Func &f, Return (*) (Args ...)) {
}
template <typename T, int Flags> struct handle_type_name<array_t<T, Flags>> {
static constexpr auto name = _("numpy.ndarray[") + npy_format_descriptor<T>::name + _("]");
static constexpr auto name = const_name("numpy.ndarray[") + npy_format_descriptor<T>::name + const_name("]");
};
PYBIND11_NAMESPACE_END(detail)

2
include/pybind11/pybind11.h
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@ -262,7 +262,7 @@ protected:
}
/* Generate a readable signature describing the function's arguments and return value types */
static constexpr auto signature = _("(") + cast_in::arg_names + _(") -> ") + cast_out::name;
static constexpr auto signature = const_name("(") + cast_in::arg_names + const_name(") -> ") + cast_out::name;
PYBIND11_DESCR_CONSTEXPR auto types = decltype(signature)::types();
/* Register the function with Python from generic (non-templated) code */

2
include/pybind11/pytypes.h
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@ -435,7 +435,7 @@ inline void raise_from(error_already_set& err, PyObject *type, const char *messa
#endif
/** \defgroup python_builtins _
/** \defgroup python_builtins const_name
Unless stated otherwise, the following C++ functions behave the same
as their Python counterparts.
*/

12
include/pybind11/stl.h
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@ -78,7 +78,7 @@ template <typename Type, typename Key> struct set_caster {
return s.release();
}
PYBIND11_TYPE_CASTER(type, _("Set[") + key_conv::name + _("]"));
PYBIND11_TYPE_CASTER(type, const_name("Set[") + key_conv::name + const_name("]"));
};
template <typename Type, typename Key, typename Value> struct map_caster {
@ -120,7 +120,7 @@ template <typename Type, typename Key, typename Value> struct map_caster {
return d.release();
}
PYBIND11_TYPE_CASTER(Type, _("Dict[") + key_conv::name + _(", ") + value_conv::name + _("]"));
PYBIND11_TYPE_CASTER(Type, const_name("Dict[") + key_conv::name + const_name(", ") + value_conv::name + const_name("]"));
};
template <typename Type, typename Value> struct list_caster {
@ -166,7 +166,7 @@ public:
return l.release();
}
PYBIND11_TYPE_CASTER(Type, _("List[") + value_conv::name + _("]"));
PYBIND11_TYPE_CASTER(Type, const_name("List[") + value_conv::name + const_name("]"));
};
template <typename Type, typename Alloc> struct type_caster<std::vector<Type, Alloc>>
@ -223,7 +223,7 @@ public:
return l.release();
}
PYBIND11_TYPE_CASTER(ArrayType, _("List[") + value_conv::name + _<Resizable>(_(""), _("[") + _<Size>() + _("]")) + _("]"));
PYBIND11_TYPE_CASTER(ArrayType, const_name("List[") + value_conv::name + const_name<Resizable>(const_name(""), const_name("[") + const_name<Size>() + const_name("]")) + const_name("]"));
};
template <typename Type, size_t Size> struct type_caster<std::array<Type, Size>>
@ -273,7 +273,7 @@ template<typename Type, typename Value = typename Type::value_type> struct optio
return true;
}
PYBIND11_TYPE_CASTER(Type, _("Optional[") + value_conv::name + _("]"));
PYBIND11_TYPE_CASTER(Type, const_name("Optional[") + value_conv::name + const_name("]"));
};
#if defined(PYBIND11_HAS_OPTIONAL)
@ -353,7 +353,7 @@ struct variant_caster<V<Ts...>> {
}
using Type = V<Ts...>;
PYBIND11_TYPE_CASTER(Type, _("Union[") + detail::concat(make_caster<Ts>::name...) + _("]"));
PYBIND11_TYPE_CASTER(Type, const_name("Union[") + detail::concat(make_caster<Ts>::name...) + const_name("]"));
};
#if defined(PYBIND11_HAS_VARIANT)

2
include/pybind11/stl/filesystem.h
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@ -92,7 +92,7 @@ public:
return true;
}
PYBIND11_TYPE_CASTER(T, _("os.PathLike"));
PYBIND11_TYPE_CASTER(T, const_name("os.PathLike"));
};
template<> struct type_caster<std::filesystem::path>

2
tests/pybind11_tests.h
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@ -65,7 +65,7 @@ PYBIND11_NAMESPACE_BEGIN(pybind11)
PYBIND11_NAMESPACE_BEGIN(detail)
template<> class type_caster<RValueCaster> {
public:
PYBIND11_TYPE_CASTER(RValueCaster, _("RValueCaster"));
PYBIND11_TYPE_CASTER(RValueCaster, const_name("RValueCaster"));
static handle cast(RValueCaster &&, return_value_policy, handle) { return py::str("rvalue").release(); }
static handle cast(const RValueCaster &, return_value_policy, handle) { return py::str("lvalue").release(); }
};

2
tests/test_builtin_casters.cpp
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@ -19,7 +19,7 @@ PYBIND11_NAMESPACE_BEGIN(detail)
template <>
class type_caster<ConstRefCasted> {
public:
static constexpr auto name = _<ConstRefCasted>();
static constexpr auto name = const_name<ConstRefCasted>();
// Input is unimportant, a new value will always be constructed based on the
// cast operator.

6
tests/test_copy_move.cpp
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@ -85,13 +85,13 @@ public:
PYBIND11_NAMESPACE_BEGIN(pybind11)
PYBIND11_NAMESPACE_BEGIN(detail)
template <> struct type_caster<MoveOnlyInt> {
PYBIND11_TYPE_CASTER(MoveOnlyInt, _("MoveOnlyInt"));
PYBIND11_TYPE_CASTER(MoveOnlyInt, const_name("MoveOnlyInt"));
bool load(handle src, bool) { value = MoveOnlyInt(src.cast<int>()); return true; }
static handle cast(const MoveOnlyInt &m, return_value_policy r, handle p) { return pybind11::cast(m.value, r, p); }
};
template <> struct type_caster<MoveOrCopyInt> {
PYBIND11_TYPE_CASTER(MoveOrCopyInt, _("MoveOrCopyInt"));
PYBIND11_TYPE_CASTER(MoveOrCopyInt, const_name("MoveOrCopyInt"));
bool load(handle src, bool) { value = MoveOrCopyInt(src.cast<int>()); return true; }
static handle cast(const MoveOrCopyInt &m, return_value_policy r, handle p) { return pybind11::cast(m.value, r, p); }
};
@ -100,7 +100,7 @@ template <> struct type_caster<CopyOnlyInt> {
protected:
CopyOnlyInt value;
public:
static constexpr auto name = _("CopyOnlyInt");
static constexpr auto name = const_name("CopyOnlyInt");
bool load(handle src, bool) { value = CopyOnlyInt(src.cast<int>()); return true; }
static handle cast(const CopyOnlyInt &m, return_value_policy r, handle p) { return pybind11::cast(m.value, r, p); }
static handle cast(const CopyOnlyInt *src, return_value_policy policy, handle parent) {

11
tests/test_custom_type_casters.cpp
View File

@ -18,7 +18,12 @@ class ArgAlwaysConverts { };
namespace pybind11 { namespace detail {
template <> struct type_caster<ArgInspector1> {
public:
// Classic
#ifndef _
PYBIND11_TYPE_CASTER(ArgInspector1, _("ArgInspector1"));
#else
PYBIND11_TYPE_CASTER(ArgInspector1, const_name("ArgInspector1"));
#endif
bool load(handle src, bool convert) {
value.arg = "loading ArgInspector1 argument " +
@ -33,7 +38,7 @@ public:
};
template <> struct type_caster<ArgInspector2> {
public:
PYBIND11_TYPE_CASTER(ArgInspector2, _("ArgInspector2"));
PYBIND11_TYPE_CASTER(ArgInspector2, const_name("ArgInspector2"));
bool load(handle src, bool convert) {
value.arg = "loading ArgInspector2 argument " +
@ -48,7 +53,7 @@ public:
};
template <> struct type_caster<ArgAlwaysConverts> {
public:
PYBIND11_TYPE_CASTER(ArgAlwaysConverts, _("ArgAlwaysConverts"));
PYBIND11_TYPE_CASTER(ArgAlwaysConverts, const_name("ArgAlwaysConverts"));
bool load(handle, bool convert) {
return convert;
@ -76,7 +81,7 @@ public:
};
namespace pybind11 { namespace detail {
template <> struct type_caster<DestructionTester> {
PYBIND11_TYPE_CASTER(DestructionTester, _("DestructionTester"));
PYBIND11_TYPE_CASTER(DestructionTester, const_name("DestructionTester"));
bool load(handle, bool) { return true; }
static handle cast(const DestructionTester &, return_value_policy, handle) {