mirror of
https://github.com/pybind/pybind11.git
synced 2024-11-22 05:05:11 +00:00
generic integer type handling
This commit is contained in:
Wenzel Jakob
parent
7f8d1c20f1
commit
60c36db1c9
@ -1,13 +1,3 @@
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Help on built-in function kw_func
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kkww__ffuunncc(...)
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Signature : (x : int32_t, y : int32_t) -> None
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Help on built-in function kw_func2
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kkww__ffuunncc22(...)
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Signature : (x : int32_t = 100, y : int32_t = 200) -> None
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kw_func(x=5, y=10)
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kw_func(x=5, y=10)
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kw_func(x=5, y=10)
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@ -17,3 +7,13 @@ kw_func(x=5, y=200)
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kw_func(x=100, y=10)
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kw_func(x=5, y=10)
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kw_func(x=5, y=10)
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Help on built-in function kw_func
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kkww__ffuunncc(...) method of builtins.PyCapsule instance
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Signature : (x : int, y : int) -> None
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Help on built-in function kw_func2
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kkww__ffuunncc22(...) method of builtins.PyCapsule instance
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Signature : (x : int = 100, y : int = 200) -> None
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@ -1,14 +1,10 @@
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15
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5
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Example2: No constructor defined!
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can't set attribute
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key: key2, value=value2
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key: key, value=value
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key: key2, value=value2
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key: key, value=value
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key: key2, value=value2
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key: key3
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key: key2
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key: key1
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key: key2
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key: key1
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key: key2
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key: key3
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@ -17,105 +13,107 @@ list item 0: overwritten
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list item 1: value2
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list item 0: value
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list item 1: value2
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15
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5
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example.Example2: No constructor defined!
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can't set attribute
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This exception was intentionally thrown.
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(u'test', True)
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(5L, u'test', True)
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('test', True)
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(5, 'test', True)
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Help on class Example2 in module example
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class EExxaammppllee22(__builtin__.object)
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class EExxaammppllee22(builtins.object)
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| Example 2 documentation
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| Methods defined here:
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| ____iinniitt____(...)
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| x.__init__(...) initializes x; see help(type(x)) for signature
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| ____iinniitt____(self, /, *args, **kwargs)
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| Initialize self. See help(type(self)) for accurate signature.
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| ggeett__ddiicctt(...)
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| Signature : (Example2) -> dict
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| ____nneeww____ = <built-in method __new__ of example.Example2_meta object>
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| ggeett__ddiicctt(...) from builtins.PyCapsule
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| Signature : (example.Example2) -> dict
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| Return a Python dictionary
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| ggeett__ddiicctt__22(...)
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| Signature : (Example2) -> dict<str, str>
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| ggeett__ddiicctt__22(...) from builtins.PyCapsule
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| Signature : (example.Example2) -> dict<str, str>
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| Return a C++ dictionary
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| ggeett__lliisstt(...)
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| Signature : (Example2) -> list
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| ggeett__lliisstt(...) from builtins.PyCapsule
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| Signature : (example.Example2) -> list
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| Return a Python list
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| ggeett__lliisstt__22(...)
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| Signature : (Example2) -> list<str>
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| ggeett__lliisstt__22(...) from builtins.PyCapsule
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| Signature : (example.Example2) -> list<str>
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| Return a C++ list
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| ggeett__sseett(...)
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| Signature : (Example2) -> set
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| ggeett__sseett(...) from builtins.PyCapsule
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| Signature : (example.Example2) -> set
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| Return a Python set
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| ggeett__sseett22(...)
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| Signature : (Example2) -> set
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| ggeett__sseett22(...) from builtins.PyCapsule
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| Signature : (example.Example2) -> set
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| Return a C++ set
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| ppaaiirr__ppaasssstthhrroouugghh(...)
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| Signature : (Example2, (bool, str)) -> (str, bool)
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| nneeww__iinnssttaannccee(...) from builtins.PyCapsule
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| Signature : () -> example.Example2
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| Return an instance
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| ppaaiirr__ppaasssstthhrroouugghh(...) from builtins.PyCapsule
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| Signature : (example.Example2, (bool, str)) -> (str, bool)
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| Return a pair in reversed order
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| pprriinntt__ddiicctt(...)
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| Signature : (Example2, dict) -> None
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| pprriinntt__ddiicctt(...) from builtins.PyCapsule
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| Signature : (example.Example2, dict) -> None
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| Print entries of a Python dictionary
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| pprriinntt__ddiicctt__22(...)
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| Signature : (Example2, dict<str, str>) -> None
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| pprriinntt__ddiicctt__22(...) from builtins.PyCapsule
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| Signature : (example.Example2, dict<str, str>) -> None
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| Print entries of a C++ dictionary
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| pprriinntt__lliisstt(...)
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| Signature : (Example2, list) -> None
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| pprriinntt__lliisstt(...) from builtins.PyCapsule
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| Signature : (example.Example2, list) -> None
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| Print entries of a Python list
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| pprriinntt__lliisstt__22(...)
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| Signature : (Example2, list<str>) -> None
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| pprriinntt__lliisstt__22(...) from builtins.PyCapsule
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| Signature : (example.Example2, list<str>) -> None
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| Print entries of a C++ list
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| pprriinntt__sseett(...)
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| Signature : (Example2, set) -> None
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| pprriinntt__sseett(...) from builtins.PyCapsule
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| Signature : (example.Example2, set) -> None
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| Print entries of a Python set
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| pprriinntt__sseett__22(...)
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| Signature : (Example2, set<str>) -> None
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| pprriinntt__sseett__22(...) from builtins.PyCapsule
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| Signature : (example.Example2, set<str>) -> None
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| Print entries of a C++ set
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| tthhrrooww__eexxcceeppttiioonn(...)
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| Signature : (Example2) -> None
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| tthhrrooww__eexxcceeppttiioonn(...) from builtins.PyCapsule
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| Signature : (example.Example2) -> None
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| Throw an exception
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| ttuuppllee__ppaasssstthhrroouugghh(...)
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| Signature : (Example2, (bool, str, int32_t)) -> (int32_t, str, bool)
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| ttuuppllee__ppaasssstthhrroouugghh(...) from builtins.PyCapsule
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| Signature : (example.Example2, (bool, str, int)) -> (int, str, bool)
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| Return a triple in reversed order
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| ----------------------------------------------------------------------
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| Data and other attributes defined here:
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| ____nneeww____ = <built-in method __new__ of Example2_meta object>
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| T.__new__(S, ...) -> a new object with type S, a subtype of T
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| ____ppyybbiinndd1111____ = <capsule object NULL>
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| nneeww__iinnssttaannccee = <built-in method new_instance of PyCapsule object>
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| Signature : () -> Example2
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| Return an instance
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Destructing Example2
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@ -191,7 +191,7 @@ protected:
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};
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/// Generic type caster for objects stored on the heap
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template <typename type> class type_caster : public type_caster_custom {
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template <typename type, typename Enable = void> class type_caster : public type_caster_custom {
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public:
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static descr name() { return typeid(type); }
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@ -229,49 +229,74 @@ protected:
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operator type*() { return &value; } \
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operator type&() { return value; }
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#define PYBIND11_TYPE_CASTER_NUMBER(type, py_type, from_type, to_pytype) \
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template <> class type_caster<type> { \
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public: \
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bool load(PyObject *src, bool) { \
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py_type py_value = from_type(src); \
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if ((py_value == (py_type) -1 && PyErr_Occurred()) || \
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(std::numeric_limits<type>::is_integer && \
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sizeof(py_type) != sizeof(type) && \
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(py_value < (py_type) std::numeric_limits<type>::min() || \
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py_value > (py_type) std::numeric_limits<type>::max()))) { \
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PyErr_Clear(); \
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return false; \
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} \
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value = (type) py_value; \
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return true; \
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} \
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static PyObject *cast(type src, return_value_policy /* policy */, PyObject * /* parent */) { \
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return to_pytype((py_type) src); \
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} \
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PYBIND11_TYPE_CASTER(type, #type); \
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};
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template <typename T>
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struct type_caster<
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T, typename std::enable_if<std::is_integral<T>::value ||
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std::is_floating_point<T>::value>::type> {
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typedef typename std::conditional<sizeof(T) <= sizeof(long), long, long long>::type _py_type_0;
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typedef typename std::conditional<std::is_signed<T>::value, _py_type_0, typename std::make_unsigned<_py_type_0>::type>::type _py_type_1;
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typedef typename std::conditional<std::is_floating_point<T>::value, double, _py_type_1>::type py_type;
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public:
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PYBIND11_TYPE_CASTER_NUMBER(int8_t, long, PyLong_AsLong, PyLong_FromLong)
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PYBIND11_TYPE_CASTER_NUMBER(uint8_t, unsigned long, PyLong_AsUnsignedLong, PyLong_FromUnsignedLong)
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PYBIND11_TYPE_CASTER_NUMBER(int16_t, long, PyLong_AsLong, PyLong_FromLong)
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PYBIND11_TYPE_CASTER_NUMBER(uint16_t, unsigned long, PyLong_AsUnsignedLong, PyLong_FromUnsignedLong)
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PYBIND11_TYPE_CASTER_NUMBER(int32_t, long, PyLong_AsLong, PyLong_FromLong)
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PYBIND11_TYPE_CASTER_NUMBER(uint32_t, unsigned long, PyLong_AsUnsignedLong, PyLong_FromUnsignedLong)
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PYBIND11_TYPE_CASTER_NUMBER(int64_t, PY_LONG_LONG, detail::PyLong_AsLongLong, PyLong_FromLongLong)
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PYBIND11_TYPE_CASTER_NUMBER(uint64_t, unsigned PY_LONG_LONG, detail::PyLong_AsUnsignedLongLong, PyLong_FromUnsignedLongLong)
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bool load(PyObject *src, bool) {
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py_type py_value;
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#if defined(__APPLE__) // size_t/ssize_t are separate types on Mac OS X
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#if PY_MAJOR_VERSION >= 3
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PYBIND11_TYPE_CASTER_NUMBER(ssize_t, Py_ssize_t, PyLong_AsSsize_t, PyLong_FromSsize_t)
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PYBIND11_TYPE_CASTER_NUMBER(size_t, size_t, PyLong_AsSize_t, PyLong_FromSize_t)
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#else
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PYBIND11_TYPE_CASTER_NUMBER(ssize_t, PY_LONG_LONG, detail::PyLong_AsLongLong, PyLong_FromLongLong)
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PYBIND11_TYPE_CASTER_NUMBER(size_t, unsigned PY_LONG_LONG, detail::PyLong_AsUnsignedLongLong, PyLong_FromUnsignedLongLong)
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#endif
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#endif
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if (std::is_floating_point<T>::value) {
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py_value = (py_type) PyFloat_AsDouble(src);
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} else if (sizeof(T) <= sizeof(long)) {
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if (std::is_signed<T>::value)
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py_value = (py_type) PyLong_AsLong(src);
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else
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py_value = (py_type) PyLong_AsUnsignedLong(src);
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} else {
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if (std::is_signed<T>::value)
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py_value = (py_type) detail::PyLong_AsLongLong(src);
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else
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py_value = (py_type) detail::PyLong_AsUnsignedLongLong(src);
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}
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PYBIND11_TYPE_CASTER_NUMBER(float, double, PyFloat_AsDouble, PyFloat_FromDouble)
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PYBIND11_TYPE_CASTER_NUMBER(double, double, PyFloat_AsDouble, PyFloat_FromDouble)
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if ((py_value == (py_type) -1 && PyErr_Occurred()) ||
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(std::is_integral<T>::value && sizeof(py_type) != sizeof(T) &&
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(py_value < (py_type) std::numeric_limits<T>::min() ||
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py_value > (py_type) std::numeric_limits<T>::max()))) {
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PyErr_Clear();
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return false;
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}
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value = (T) py_value;
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return true;
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}
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static PyObject *cast(T src, return_value_policy /* policy */, PyObject * /* parent */) {
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if (std::is_floating_point<T>::value) {
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return PyFloat_FromDouble((double) src);
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} else if (sizeof(T) <= sizeof(long)) {
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if (std::is_signed<T>::value)
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return PyLong_FromLong((long) src);
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else
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return PyLong_FromUnsignedLong((unsigned long) src);
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} else {
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if (std::is_signed<T>::value)
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return PyLong_FromLongLong((long long) src);
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else
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return PyLong_FromUnsignedLongLong((unsigned long long) src);
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}
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}
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static PyObject *cast(const T *src, return_value_policy policy, PyObject *parent) {
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return cast(*src, policy, parent);
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}
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static descr name() {
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return std::is_floating_point<T>::value ? "float" : "int";
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}
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operator T*() { return &value; }
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operator T&() { return value; }
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protected:
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T value;
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};
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template <> class type_caster<void_type> {
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public:
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@ -11,6 +11,7 @@
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#include "common.h"
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#include <utility>
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#include <type_traits>
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NAMESPACE_BEGIN(pybind11)
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@ -213,16 +214,16 @@ private:
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using ::PyLong_AsUnsignedLongLong;
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using ::PyLong_AsLongLong;
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#else
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inline PY_LONG_LONG PyLong_AsLongLong(PyObject *o) {
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if (PyInt_Check(o))
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return (PY_LONG_LONG) PyLong_AsLong(o);
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inline long long PyLong_AsLongLong(PyObject *o) {
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if (PyInt_Check(o)) /// workaround: PyLong_AsLongLong doesn't accept 'int' on Python 2.x
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return (long long) PyLong_AsLong(o);
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else
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return ::PyLong_AsLongLong(o);
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}
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inline unsigned PY_LONG_LONG PyLong_AsUnsignedLongLong(PyObject *o) {
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if (PyInt_Check(o))
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return (unsigned PY_LONG_LONG) PyLong_AsUnsignedLong(o);
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inline unsigned long long PyLong_AsUnsignedLongLong(PyObject *o) {
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if (PyInt_Check(o)) /// workaround: PyLong_AsUnsignedLongLong doesn't accept 'int' on Python 2.x
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return (unsigned long long) PyLong_AsUnsignedLong(o);
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else
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return ::PyLong_AsUnsignedLongLong(o);
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}
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@ -291,27 +292,37 @@ public:
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class int_ : public object {
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public:
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PYBIND11_OBJECT_DEFAULT(int_, object, PyLong_Check)
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int_(int32_t value) : object(PyLong_FromLong((long) value), false) { }
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int_(int64_t value) : object(PyLong_FromLongLong((long long) value), false) { }
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int_(uint32_t value) : object(PyLong_FromUnsignedLong((unsigned long) value), false) { }
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int_(uint64_t value) : object(PyLong_FromUnsignedLongLong((unsigned long long) value), false) { }
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operator int32_t() const { return (int32_t) PyLong_AsLong(m_ptr); }
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operator uint32_t() const { return (uint32_t) PyLong_AsUnsignedLong(m_ptr); }
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operator int64_t() const { return (int64_t) detail::PyLong_AsLongLong(m_ptr); }
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operator uint64_t() const { return (uint64_t) detail::PyLong_AsUnsignedLongLong(m_ptr); }
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#if defined(__APPLE__) // size_t/ssize_t are separate types on Mac OS X
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#if PY_MAJOR_VERSION >= 3
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int_(size_t value) : object(PyLong_FromSize_t(value), false) { }
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int_(ssize_t value) : object(PyLong_FromSsize_t(value), false) { }
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operator size_t() const { return (size_t) PyLong_AsSize_t(m_ptr); }
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operator ssize_t() const { return (ssize_t) PyLong_AsSsize_t(m_ptr); }
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#else
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int_(size_t value) : object(PyLong_FromUnsignedLongLong((unsigned long long) value), false) { }
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int_(ssize_t value) : object(PyLong_FromLongLong((long long) value), false) { }
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operator size_t() const { return (size_t) detail::PyLong_AsUnsignedLongLong(m_ptr); }
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operator ssize_t() const { return (ssize_t) detail::PyLong_AsLongLong(m_ptr); }
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#endif
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#endif
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template <typename T,
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typename std::enable_if<std::is_integral<T>::value, int>::type = 0>
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int_(T value) {
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if (sizeof(T) <= sizeof(long)) {
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if (std::is_signed<T>::value)
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m_ptr = PyLong_FromLong((long) value);
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else
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m_ptr = PyLong_FromUnsignedLong((unsigned long) value);
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} else {
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if (std::is_signed<T>::value)
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m_ptr = PyLong_FromLongLong((long long) value);
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else
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m_ptr = PyLong_FromUnsignedLongLong((unsigned long long) value);
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}
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}
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template <typename T,
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typename std::enable_if<std::is_integral<T>::value, int>::type = 0>
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operator T() const {
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if (sizeof(T) <= sizeof(long)) {
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if (std::is_signed<T>::value)
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return (T) PyLong_AsLong(m_ptr);
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else
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return (T) PyLong_AsUnsignedLong(m_ptr);
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} else {
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if (std::is_signed<T>::value)
|
||||
return (T) detail::PyLong_AsLongLong(m_ptr);
|
||||
else
|
||||
return (T) detail::PyLong_AsUnsignedLongLong(m_ptr);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
class float_ : public object {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user