Commit 9440695f authored by Mccaskey, Alex's avatar Mccaskey, Alex
Browse files

fix to update pybind11 for newer compilers


Signed-off-by: Mccaskey, Alex's avatarAlex Mccaskey <mccaskeyaj@ornl.gov>
parent 760c630c
......@@ -133,8 +133,8 @@ struct argument_record {
/// Internal data structure which holds metadata about a bound function (signature, overloads, etc.)
struct function_record {
function_record()
: is_constructor(false), is_stateless(false), is_operator(false),
has_args(false), has_kwargs(false), is_method(false) { }
: is_constructor(false), is_new_style_constructor(false), is_stateless(false),
is_operator(false), has_args(false), has_kwargs(false), is_method(false) { }
/// Function name
char *name = nullptr; /* why no C++ strings? They generate heavier code.. */
......@@ -163,6 +163,9 @@ struct function_record {
/// True if name == '__init__'
bool is_constructor : 1;
/// True if this is a new-style `__init__` defined in `detail/init.h`
bool is_new_style_constructor : 1;
/// True if this is a stateless function pointer
bool is_stateless : 1;
......@@ -197,7 +200,8 @@ struct function_record {
/// Special data structure which (temporarily) holds metadata about a bound class
struct type_record {
PYBIND11_NOINLINE type_record()
: multiple_inheritance(false), dynamic_attr(false), buffer_protocol(false), module_local(false) { }
: multiple_inheritance(false), dynamic_attr(false), buffer_protocol(false),
default_holder(true), module_local(false) { }
/// Handle to the parent scope
handle scope;
......@@ -211,11 +215,14 @@ struct type_record {
/// How large is the underlying C++ type?
size_t type_size = 0;
/// What is the alignment of the underlying C++ type?
size_t type_align = 0;
/// How large is the type's holder?
size_t holder_size = 0;
/// The global operator new can be overridden with a class-specific variant
void *(*operator_new)(size_t) = ::operator new;
void *(*operator_new)(size_t) = nullptr;
/// Function pointer to class_<..>::init_instance
void (*init_instance)(instance *, const void *) = nullptr;
......@@ -275,12 +282,15 @@ struct type_record {
}
};
inline function_call::function_call(function_record &f, handle p) :
inline function_call::function_call(const function_record &f, handle p) :
func(f), parent(p) {
args.reserve(f.nargs);
args_convert.reserve(f.nargs);
}
/// Tag for a new-style `__init__` defined in `detail/init.h`
struct is_new_style_constructor { };
/**
* Partial template specializations to process custom attributes provided to
* cpp_function_ and class_. These are either used to initialize the respective
......@@ -339,6 +349,10 @@ template <> struct process_attribute<is_operator> : process_attribute_default<is
static void init(const is_operator &, function_record *r) { r->is_operator = true; }
};
template <> struct process_attribute<is_new_style_constructor> : process_attribute_default<is_new_style_constructor> {
static void init(const is_new_style_constructor &, function_record *r) { r->is_new_style_constructor = true; }
};
/// Process a keyword argument attribute (*without* a default value)
template <> struct process_attribute<arg> : process_attribute_default<arg> {
static void init(const arg &a, function_record *r) {
......
......@@ -21,7 +21,7 @@ struct buffer_info {
std::string format; // For homogeneous buffers, this should be set to format_descriptor<T>::format()
ssize_t ndim = 0; // Number of dimensions
std::vector<ssize_t> shape; // Shape of the tensor (1 entry per dimension)
std::vector<ssize_t> strides; // Number of entries between adjacent entries (for each per dimension)
std::vector<ssize_t> strides; // Number of bytes between adjacent entries (for each per dimension)
buffer_info() { }
......
This diff is collapsed.
......@@ -106,8 +106,11 @@ public:
if (!PyDateTimeAPI) { PyDateTime_IMPORT; }
if (!src) return false;
std::tm cal;
microseconds msecs;
if (PyDateTime_Check(src.ptr())) {
std::tm cal;
cal.tm_sec = PyDateTime_DATE_GET_SECOND(src.ptr());
cal.tm_min = PyDateTime_DATE_GET_MINUTE(src.ptr());
cal.tm_hour = PyDateTime_DATE_GET_HOUR(src.ptr());
......@@ -115,11 +118,30 @@ public:
cal.tm_mon = PyDateTime_GET_MONTH(src.ptr()) - 1;
cal.tm_year = PyDateTime_GET_YEAR(src.ptr()) - 1900;
cal.tm_isdst = -1;
value = system_clock::from_time_t(std::mktime(&cal)) + microseconds(PyDateTime_DATE_GET_MICROSECOND(src.ptr()));
return true;
msecs = microseconds(PyDateTime_DATE_GET_MICROSECOND(src.ptr()));
} else if (PyDate_Check(src.ptr())) {
cal.tm_sec = 0;
cal.tm_min = 0;
cal.tm_hour = 0;
cal.tm_mday = PyDateTime_GET_DAY(src.ptr());
cal.tm_mon = PyDateTime_GET_MONTH(src.ptr()) - 1;
cal.tm_year = PyDateTime_GET_YEAR(src.ptr()) - 1900;
cal.tm_isdst = -1;
msecs = microseconds(0);
} else if (PyTime_Check(src.ptr())) {
cal.tm_sec = PyDateTime_TIME_GET_SECOND(src.ptr());
cal.tm_min = PyDateTime_TIME_GET_MINUTE(src.ptr());
cal.tm_hour = PyDateTime_TIME_GET_HOUR(src.ptr());
cal.tm_mday = 1; // This date (day, month, year) = (1, 0, 70)
cal.tm_mon = 0; // represents 1-Jan-1970, which is the first
cal.tm_year = 70; // earliest available date for Python's datetime
cal.tm_isdst = -1;
msecs = microseconds(PyDateTime_TIME_GET_MICROSECOND(src.ptr()));
}
else return false;
value = system_clock::from_time_t(std::mktime(&cal)) + msecs;
return true;
}
static handle cast(const std::chrono::time_point<std::chrono::system_clock, Duration> &src, return_value_policy /* policy */, handle /* parent */) {
......@@ -128,7 +150,7 @@ public:
// Lazy initialise the PyDateTime import
if (!PyDateTimeAPI) { PyDateTime_IMPORT; }
std::time_t tt = system_clock::to_time_t(src);
std::time_t tt = system_clock::to_time_t(time_point_cast<system_clock::duration>(src));
// this function uses static memory so it's best to copy it out asap just in case
// otherwise other code that is using localtime may break this (not just python code)
std::tm localtime = *std::localtime(&tt);
......
#include "detail/common.h"
#warning "Including 'common.h' is deprecated. It will be removed in v3.0. Use 'pybind11.h'."
......@@ -25,9 +25,13 @@ template <typename T> struct format_descriptor<std::complex<T>, detail::enable_i
static std::string format() { return std::string(value); }
};
#ifndef PYBIND11_CPP17
template <typename T> constexpr const char format_descriptor<
std::complex<T>, detail::enable_if_t<std::is_floating_point<T>::value>>::value[3];
#endif
NAMESPACE_BEGIN(detail)
template <typename T> struct is_fmt_numeric<std::complex<T>, detail::enable_if_t<std::is_floating_point<T>::value>> {
......
......@@ -10,10 +10,20 @@
#pragma once
#include "../attr.h"
#include "../options.h"
NAMESPACE_BEGIN(PYBIND11_NAMESPACE)
NAMESPACE_BEGIN(detail)
#if PY_VERSION_HEX >= 0x03030000
# define PYBIND11_BUILTIN_QUALNAME
# define PYBIND11_SET_OLDPY_QUALNAME(obj, nameobj)
#else
// In pre-3.3 Python, we still set __qualname__ so that we can produce reliable function type
// signatures; in 3.3+ this macro expands to nothing:
# define PYBIND11_SET_OLDPY_QUALNAME(obj, nameobj) setattr((PyObject *) obj, "__qualname__", nameobj)
#endif
inline PyTypeObject *type_incref(PyTypeObject *type) {
Py_INCREF(type);
return type;
......@@ -48,7 +58,7 @@ inline PyTypeObject *make_static_property_type() {
pybind11_fail("make_static_property_type(): error allocating type!");
heap_type->ht_name = name_obj.inc_ref().ptr();
#if PY_MAJOR_VERSION >= 3 && PY_MINOR_VERSION >= 3
#ifdef PYBIND11_BUILTIN_QUALNAME
heap_type->ht_qualname = name_obj.inc_ref().ptr();
#endif
......@@ -63,6 +73,7 @@ inline PyTypeObject *make_static_property_type() {
pybind11_fail("make_static_property_type(): failure in PyType_Ready()!");
setattr((PyObject *) type, "__module__", str("pybind11_builtins"));
PYBIND11_SET_OLDPY_QUALNAME(type, name_obj);
return type;
}
......@@ -161,7 +172,7 @@ inline PyTypeObject* make_default_metaclass() {
pybind11_fail("make_default_metaclass(): error allocating metaclass!");
heap_type->ht_name = name_obj.inc_ref().ptr();
#if PY_MAJOR_VERSION >= 3 && PY_MINOR_VERSION >= 3
#ifdef PYBIND11_BUILTIN_QUALNAME
heap_type->ht_qualname = name_obj.inc_ref().ptr();
#endif
......@@ -179,6 +190,7 @@ inline PyTypeObject* make_default_metaclass() {
pybind11_fail("make_default_metaclass(): failure in PyType_Ready()!");
setattr((PyObject *) type, "__module__", str("pybind11_builtins"));
PYBIND11_SET_OLDPY_QUALNAME(type, name_obj);
return type;
}
......@@ -338,6 +350,7 @@ extern "C" inline void pybind11_object_dealloc(PyObject *self) {
auto type = Py_TYPE(self);
type->tp_free(self);
#if PY_VERSION_HEX < 0x03080000
// `type->tp_dealloc != pybind11_object_dealloc` means that we're being called
// as part of a derived type's dealloc, in which case we're not allowed to decref
// the type here. For cross-module compatibility, we shouldn't compare directly
......@@ -345,6 +358,11 @@ extern "C" inline void pybind11_object_dealloc(PyObject *self) {
auto pybind11_object_type = (PyTypeObject *) get_internals().instance_base;
if (type->tp_dealloc == pybind11_object_type->tp_dealloc)
Py_DECREF(type);
#else
// This was not needed before Python 3.8 (Python issue 35810)
// https://github.com/pybind/pybind11/issues/1946
Py_DECREF(type);
#endif
}
/** Create the type which can be used as a common base for all classes. This is
......@@ -363,7 +381,7 @@ inline PyObject *make_object_base_type(PyTypeObject *metaclass) {
pybind11_fail("make_object_base_type(): error allocating type!");
heap_type->ht_name = name_obj.inc_ref().ptr();
#if PY_MAJOR_VERSION >= 3 && PY_MINOR_VERSION >= 3
#ifdef PYBIND11_BUILTIN_QUALNAME
heap_type->ht_qualname = name_obj.inc_ref().ptr();
#endif
......@@ -384,6 +402,7 @@ inline PyObject *make_object_base_type(PyTypeObject *metaclass) {
pybind11_fail("PyType_Ready failed in make_object_base_type():" + error_string());
setattr((PyObject *) type, "__module__", str("pybind11_builtins"));
PYBIND11_SET_OLDPY_QUALNAME(type, name_obj);
assert(!PyType_HasFeature(type, Py_TPFLAGS_HAVE_GC));
return (PyObject *) heap_type;
......@@ -456,7 +475,7 @@ extern "C" inline int pybind11_getbuffer(PyObject *obj, Py_buffer *view, int fla
if (tinfo && tinfo->get_buffer)
break;
}
if (view == nullptr || obj == nullptr || !tinfo || !tinfo->get_buffer) {
if (view == nullptr || !tinfo || !tinfo->get_buffer) {
if (view)
view->obj = nullptr;
PyErr_SetString(PyExc_BufferError, "pybind11_getbuffer(): Internal error");
......@@ -504,13 +523,15 @@ inline void enable_buffer_protocol(PyHeapTypeObject *heap_type) {
inline PyObject* make_new_python_type(const type_record &rec) {
auto name = reinterpret_steal<object>(PYBIND11_FROM_STRING(rec.name));
#if PY_MAJOR_VERSION >= 3 && PY_MINOR_VERSION >= 3
auto ht_qualname = name;
if (rec.scope && hasattr(rec.scope, "__qualname__")) {
ht_qualname = reinterpret_steal<object>(
auto qualname = name;
if (rec.scope && !PyModule_Check(rec.scope.ptr()) && hasattr(rec.scope, "__qualname__")) {
#if PY_MAJOR_VERSION >= 3
qualname = reinterpret_steal<object>(
PyUnicode_FromFormat("%U.%U", rec.scope.attr("__qualname__").ptr(), name.ptr()));
}
#else
qualname = str(rec.scope.attr("__qualname__").cast<std::string>() + "." + rec.name);
#endif
}
object module;
if (rec.scope) {
......@@ -552,8 +573,8 @@ inline PyObject* make_new_python_type(const type_record &rec) {
pybind11_fail(std::string(rec.name) + ": Unable to create type object!");
heap_type->ht_name = name.release().ptr();
#if PY_MAJOR_VERSION >= 3 && PY_MINOR_VERSION >= 3
heap_type->ht_qualname = ht_qualname.release().ptr();
#ifdef PYBIND11_BUILTIN_QUALNAME
heap_type->ht_qualname = qualname.inc_ref().ptr();
#endif
auto type = &heap_type->ht_type;
......@@ -571,6 +592,9 @@ inline PyObject* make_new_python_type(const type_record &rec) {
type->tp_as_number = &heap_type->as_number;
type->tp_as_sequence = &heap_type->as_sequence;
type->tp_as_mapping = &heap_type->as_mapping;
#if PY_VERSION_HEX >= 0x03050000
type->tp_as_async = &heap_type->as_async;
#endif
/* Flags */
type->tp_flags |= Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HEAPTYPE;
......@@ -599,6 +623,8 @@ inline PyObject* make_new_python_type(const type_record &rec) {
if (module) // Needed by pydoc
setattr((PyObject *) type, "__module__", module);
PYBIND11_SET_OLDPY_QUALNAME(type, qualname);
return (PyObject *) type;
}
......
......@@ -27,15 +27,16 @@
# endif
#endif
#if !defined(_MSC_VER) && !defined(__INTEL_COMPILER)
#if !(defined(_MSC_VER) && __cplusplus == 199711L) && !defined(__INTEL_COMPILER)
# if __cplusplus >= 201402L
# define PYBIND11_CPP14
# if __cplusplus > 201402L /* Temporary: should be updated to >= the final C++17 value once known */
# if __cplusplus >= 201703L
# define PYBIND11_CPP17
# endif
# endif
#elif defined(_MSC_VER)
#elif defined(_MSC_VER) && __cplusplus == 199711L
// MSVC sets _MSVC_LANG rather than __cplusplus (supposedly until the standard is fully implemented)
// Unless you use the /Zc:__cplusplus flag on Visual Studio 2017 15.7 Preview 3 or newer
# if _MSVC_LANG >= 201402L
# define PYBIND11_CPP14
# if _MSVC_LANG > 201402L && _MSC_VER >= 1910
......@@ -46,8 +47,8 @@
// Compiler version assertions
#if defined(__INTEL_COMPILER)
# if __INTEL_COMPILER < 1500
# error pybind11 requires Intel C++ compiler v15 or newer
# if __INTEL_COMPILER < 1700
# error pybind11 requires Intel C++ compiler v17 or newer
# endif
#elif defined(__clang__) && !defined(__apple_build_version__)
# if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 3)
......@@ -92,8 +93,8 @@
#endif
#define PYBIND11_VERSION_MAJOR 2
#define PYBIND11_VERSION_MINOR 2
#define PYBIND11_VERSION_PATCH dev0
#define PYBIND11_VERSION_MINOR 4
#define PYBIND11_VERSION_PATCH dev4
/// Include Python header, disable linking to pythonX_d.lib on Windows in debug mode
#if defined(_MSC_VER)
......@@ -112,10 +113,6 @@
#include <frameobject.h>
#include <pythread.h>
#if defined(_WIN32) && (defined(min) || defined(max))
# error Macro clash with min and max -- define NOMINMAX when compiling your program on Windows
#endif
#if defined(isalnum)
# undef isalnum
# undef isalpha
......@@ -158,6 +155,8 @@
#define PYBIND11_BYTES_SIZE PyBytes_Size
#define PYBIND11_LONG_CHECK(o) PyLong_Check(o)
#define PYBIND11_LONG_AS_LONGLONG(o) PyLong_AsLongLong(o)
#define PYBIND11_LONG_FROM_SIGNED(o) PyLong_FromSsize_t((ssize_t) o)
#define PYBIND11_LONG_FROM_UNSIGNED(o) PyLong_FromSize_t((size_t) o)
#define PYBIND11_BYTES_NAME "bytes"
#define PYBIND11_STRING_NAME "str"
#define PYBIND11_SLICE_OBJECT PyObject
......@@ -165,7 +164,9 @@
#define PYBIND11_STR_TYPE ::pybind11::str
#define PYBIND11_BOOL_ATTR "__bool__"
#define PYBIND11_NB_BOOL(ptr) ((ptr)->nb_bool)
// Providing a separate declaration to make Clang's -Wmissing-prototypes happy
#define PYBIND11_PLUGIN_IMPL(name) \
extern "C" PYBIND11_EXPORT PyObject *PyInit_##name(); \
extern "C" PYBIND11_EXPORT PyObject *PyInit_##name()
#else
......@@ -180,6 +181,8 @@
#define PYBIND11_BYTES_SIZE PyString_Size
#define PYBIND11_LONG_CHECK(o) (PyInt_Check(o) || PyLong_Check(o))
#define PYBIND11_LONG_AS_LONGLONG(o) (PyInt_Check(o) ? (long long) PyLong_AsLong(o) : PyLong_AsLongLong(o))
#define PYBIND11_LONG_FROM_SIGNED(o) PyInt_FromSsize_t((ssize_t) o) // Returns long if needed.
#define PYBIND11_LONG_FROM_UNSIGNED(o) PyInt_FromSize_t((size_t) o) // Returns long if needed.
#define PYBIND11_BYTES_NAME "str"
#define PYBIND11_STRING_NAME "unicode"
#define PYBIND11_SLICE_OBJECT PySliceObject
......@@ -187,8 +190,10 @@
#define PYBIND11_STR_TYPE ::pybind11::bytes
#define PYBIND11_BOOL_ATTR "__nonzero__"
#define PYBIND11_NB_BOOL(ptr) ((ptr)->nb_nonzero)
// Providing a separate PyInit decl to make Clang's -Wmissing-prototypes happy
#define PYBIND11_PLUGIN_IMPL(name) \
static PyObject *pybind11_init_wrapper(); \
extern "C" PYBIND11_EXPORT void init##name(); \
extern "C" PYBIND11_EXPORT void init##name() { \
(void)pybind11_init_wrapper(); \
} \
......@@ -205,6 +210,32 @@ extern "C" {
#define PYBIND11_TRY_NEXT_OVERLOAD ((PyObject *) 1) // special failure return code
#define PYBIND11_STRINGIFY(x) #x
#define PYBIND11_TOSTRING(x) PYBIND11_STRINGIFY(x)
#define PYBIND11_CONCAT(first, second) first##second
#define PYBIND11_CHECK_PYTHON_VERSION \
{ \
const char *compiled_ver = PYBIND11_TOSTRING(PY_MAJOR_VERSION) \
"." PYBIND11_TOSTRING(PY_MINOR_VERSION); \
const char *runtime_ver = Py_GetVersion(); \
size_t len = std::strlen(compiled_ver); \
if (std::strncmp(runtime_ver, compiled_ver, len) != 0 \
|| (runtime_ver[len] >= '0' && runtime_ver[len] <= '9')) { \
PyErr_Format(PyExc_ImportError, \
"Python version mismatch: module was compiled for Python %s, " \
"but the interpreter version is incompatible: %s.", \
compiled_ver, runtime_ver); \
return nullptr; \
} \
}
#define PYBIND11_CATCH_INIT_EXCEPTIONS \
catch (pybind11::error_already_set &e) { \
PyErr_SetString(PyExc_ImportError, e.what()); \
return nullptr; \
} catch (const std::exception &e) { \
PyErr_SetString(PyExc_ImportError, e.what()); \
return nullptr; \
} \
/** \rst
***Deprecated in favor of PYBIND11_MODULE***
......@@ -225,27 +256,10 @@ extern "C" {
PYBIND11_DEPRECATED("PYBIND11_PLUGIN is deprecated, use PYBIND11_MODULE") \
static PyObject *pybind11_init(); \
PYBIND11_PLUGIN_IMPL(name) { \
int major, minor; \
if (sscanf(Py_GetVersion(), "%i.%i", &major, &minor) != 2) { \
PyErr_SetString(PyExc_ImportError, "Can't parse Python version."); \
return nullptr; \
} else if (major != PY_MAJOR_VERSION || minor != PY_MINOR_VERSION) { \
PyErr_Format(PyExc_ImportError, \
"Python version mismatch: module was compiled for " \
"version %i.%i, while the interpreter is running " \
"version %i.%i.", PY_MAJOR_VERSION, PY_MINOR_VERSION, \
major, minor); \
return nullptr; \
} \
PYBIND11_CHECK_PYTHON_VERSION \
try { \
return pybind11_init(); \
} catch (pybind11::error_already_set &e) { \
PyErr_SetString(PyExc_ImportError, e.what()); \
return nullptr; \
} catch (const std::exception &e) { \
PyErr_SetString(PyExc_ImportError, e.what()); \
return nullptr; \
} \
} PYBIND11_CATCH_INIT_EXCEPTIONS \
} \
PyObject *pybind11_init()
......@@ -267,33 +281,16 @@ extern "C" {
}
\endrst */
#define PYBIND11_MODULE(name, variable) \
static void pybind11_init_##name(pybind11::module &); \
static void PYBIND11_CONCAT(pybind11_init_, name)(pybind11::module &); \
PYBIND11_PLUGIN_IMPL(name) { \
int major, minor; \
if (sscanf(Py_GetVersion(), "%i.%i", &major, &minor) != 2) { \
PyErr_SetString(PyExc_ImportError, "Can't parse Python version."); \
return nullptr; \
} else if (major != PY_MAJOR_VERSION || minor != PY_MINOR_VERSION) { \
PyErr_Format(PyExc_ImportError, \
"Python version mismatch: module was compiled for " \
"version %i.%i, while the interpreter is running " \
"version %i.%i.", PY_MAJOR_VERSION, PY_MINOR_VERSION, \
major, minor); \
return nullptr; \
} \
auto m = pybind11::module(#name); \
PYBIND11_CHECK_PYTHON_VERSION \
auto m = pybind11::module(PYBIND11_TOSTRING(name)); \
try { \
pybind11_init_##name(m); \
PYBIND11_CONCAT(pybind11_init_, name)(m); \
return m.ptr(); \
} catch (pybind11::error_already_set &e) { \
PyErr_SetString(PyExc_ImportError, e.what()); \
return nullptr; \
} catch (const std::exception &e) { \
PyErr_SetString(PyExc_ImportError, e.what()); \
return nullptr; \
} \
} PYBIND11_CATCH_INIT_EXCEPTIONS \
} \
void pybind11_init_##name(pybind11::module &variable)
void PYBIND11_CONCAT(pybind11_init_, name)(pybind11::module &variable)
NAMESPACE_BEGIN(PYBIND11_NAMESPACE)
......@@ -376,18 +373,20 @@ constexpr size_t instance_simple_holder_in_ptrs() {
struct type_info;
struct value_and_holder;
struct nonsimple_values_and_holders {
void **values_and_holders;
uint8_t *status;
};
/// The 'instance' type which needs to be standard layout (need to be able to use 'offsetof')
struct instance {
PyObject_HEAD
/// Storage for pointers and holder; see simple_layout, below, for a description
union {
void *simple_value_holder[1 + instance_simple_holder_in_ptrs()];
struct {
void **values_and_holders;
uint8_t *status;
} nonsimple;
nonsimple_values_and_holders nonsimple;
};
/// Weak references (needed for keep alive):
/// Weak references
PyObject *weakrefs;
/// If true, the pointer is owned which means we're free to manage it with a holder.
bool owned : 1;
......@@ -404,10 +403,10 @@ struct instance {
* (which is typically the size of two pointers), or when multiple inheritance is used on the
* python side. Non-simple layout allocates the required amount of memory to have multiple
* bound C++ classes as parents. Under this layout, `nonsimple.values_and_holders` is set to a
* pointer to allocated space of the required space to hold a a sequence of value pointers and
* pointer to allocated space of the required space to hold a sequence of value pointers and
* holders followed `status`, a set of bit flags (1 byte each), i.e.
* [val1*][holder1][val2*][holder2]...[bb...] where each [block] is rounded up to a multiple of
* `sizeof(void *)`. `nonsimple.holder_constructed` is, for convenience, a pointer to the
* `sizeof(void *)`. `nonsimple.status` is, for convenience, a pointer to the
* beginning of the [bb...] block (but not independently allocated).
*
* Status bits indicate whether the associated holder is constructed (&
......@@ -470,7 +469,7 @@ template <size_t... IPrev, size_t I, bool B, bool... Bs> struct select_indices_i
: select_indices_impl<conditional_t<B, index_sequence<IPrev..., I>, index_sequence<IPrev...>>, I + 1, Bs...> {};
template <bool... Bs> using select_indices = typename select_indices_impl<index_sequence<>, 0, Bs...>::type;
/// Backports of std::bool_constant and std::negation to accomodate older compilers
/// Backports of std::bool_constant and std::negation to accommodate older compilers
template <bool B> using bool_constant = std::integral_constant<bool, B>;
template <typename T> struct negation : bool_constant<!T::value> { };
......@@ -478,7 +477,7 @@ template <typename...> struct void_t_impl { using type = void; };
template <typename... Ts> using void_t = typename void_t_impl<Ts...>::type;
/// Compile-time all/any/none of that check the boolean value of all template types
#ifdef __cpp_fold_expressions
#if defined(__cpp_fold_expressions) && !(defined(_MSC_VER) && (_MSC_VER < 1916))
template <class... Ts> using all_of = bool_constant<(Ts::value && ...)>;
template <class... Ts> using any_of = bool_constant<(Ts::value || ...)>;
#elif !defined(_MSC_VER)
......@@ -580,6 +579,11 @@ template <typename T, typename... Us> using deferred_t = typename deferred_type<
template <typename Base, typename Derived> using is_strict_base_of = bool_constant<
std::is_base_of<Base, Derived>::value && !std::is_same<Base, Derived>::value>;
/// Like is_base_of, but also requires that the base type is accessible (i.e. that a Derived pointer
/// can be converted to a Base pointer)
template <typename Base, typename Derived> using is_accessible_base_of = bool_constant<
std::is_base_of<Base, Derived>::value && std::is_convertible<Derived *, Base *>::value>;
template <template<typename...> class Base>
struct is_template_base_of_impl {
template <typename... Us> static std::true_type check(Base<Us...> *);
......@@ -669,6 +673,7 @@ PYBIND11_RUNTIME_EXCEPTION(index_error, PyExc_IndexError)
PYBIND11_RUNTIME_EXCEPTION(key_error, PyExc_KeyError)
PYBIND11_RUNTIME_EXCEPTION(value_error, PyExc_ValueError)
PYBIND11_RUNTIME_EXCEPTION(type_error, PyExc_TypeError)
PYBIND11_RUNTIME_EXCEPTION(buffer_error, PyExc_BufferError)
PYBIND11_RUNTIME_EXCEPTION(cast_error, PyExc_RuntimeError) /// Thrown when pybind11::cast or handle::call fail due to a type casting error
PYBIND11_RUNTIME_EXCEPTION(reference_cast_error, PyExc_RuntimeError) /// Used internally
......@@ -698,9 +703,13 @@ template <typename T> struct format_descriptor<T, detail::enable_if_t<std::is_ar
static std::string format() { return std::string(1, c); }
};
#if !defined(PYBIND11_CPP17)
template <typename T> constexpr const char format_descriptor<
T, detail::enable_if_t<std::is_arithmetic<T>::value>>::value[2];
#endif
/// RAII wrapper that temporarily clears any Python error state
struct error_scope {
PyObject *type, *value, *trace;
......@@ -711,10 +720,6 @@ struct error_scope {
/// Dummy destructor wrapper that can be used to expose classes with a private destructor
struct nodelete { template <typename T> void operator()(T*) { } };
// overload_cast requires variable templates: C++14
#if defined(PYBIND11_CPP14)
#define PYBIND11_OVERLOAD_CAST 1
NAMESPACE_BEGIN(detail)
template <typename... Args>
struct overload_cast_impl {
......@@ -734,19 +739,23 @@ struct overload_cast_impl {
};
NAMESPACE_END(detail)
// overload_cast requires variable templates: C++14
#if defined(PYBIND11_CPP14)
#define PYBIND11_OVERLOAD_CAST 1
/// Syntax sugar for resolving overloaded function pointers:
/// - regular: static_cast<Return (Class::*)(Arg0, Arg1, Arg2)>(&Class::func)
/// - sweet: overload_cast<Arg0, Arg1, Arg2>(&Class::func)
template <typename... Args>
static constexpr detail::overload_cast_impl<Args...> overload_cast = {};
// MSVC 2015 only accepts this particular initialization syntax for this variable template.
#endif
/// Const member function selector for overload_cast
/// - regular: static_cast<Return (Class::*)(Arg) const>(&Class::func)