Zengtudor/pybind11
1
0
Fork 0
mirror of https://github.com/pybind/pybind11.git synced 2024-11-29 00:22:00 +00:00
Code Issues Packages Projects Releases Wiki Activity

Factor out detail/value_and_holder.h (from detail/type_caster_base.h)

Browse Source 
This is in support of PR #5213:

* trampoline_self_life_support.h depends on value_and_holder.h

* type_caster_base.h depends on trampoline_self_life_support.h
This commit is contained in:
Ralf W. Grosse-Kunstleve 2024-07-18 00:24:59 -07:00
parent dbf848aff7
commit 5e30064ee6
4 changed files with 80 additions and 61 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
CMakeLists.txt
View File

@ -154,6 +154,7 @@ set(PYBIND11_HEADERS
include/pybind11/detail/internals.h
include/pybind11/detail/type_caster_base.h
include/pybind11/detail/typeid.h
include/pybind11/detail/value_and_holder.h
include/pybind11/attr.h
include/pybind11/buffer_info.h
include/pybind11/cast.h

62
include/pybind11/detail/type_caster_base.h
View File

@ -14,6 +14,7 @@
#include "descr.h"
#include "internals.h"
#include "typeid.h"
#include "value_and_holder.h"
#include <cstdint>
#include <iterator>
@ -259,67 +260,6 @@ PYBIND11_NOINLINE handle find_registered_python_instance(void *src,
});
}
struct value_and_holder {
instance *inst = nullptr;
size_t index = 0u;
const detail::type_info *type = nullptr;
void **vh = nullptr;
// Main constructor for a found value/holder:
value_and_holder(instance *i, const detail::type_info *type, size_t vpos, size_t index)
: inst{i}, index{index}, type{type},
vh{inst->simple_layout ? inst->simple_value_holder
: &inst->nonsimple.values_and_holders[vpos]} {}
// Default constructor (used to signal a value-and-holder not found by get_value_and_holder())
value_and_holder() = default;
// Used for past-the-end iterator
explicit value_and_holder(size_t index) : index{index} {}
template <typename V = void>
V *&value_ptr() const {
return reinterpret_cast<V *&>(vh[0]);
}
// True if this `value_and_holder` has a non-null value pointer
explicit operator bool() const { return value_ptr() != nullptr; }
template <typename H>
H &holder() const {
return reinterpret_cast<H &>(vh[1]);
}
bool holder_constructed() const {
return inst->simple_layout
? inst->simple_holder_constructed
: (inst->nonsimple.status[index] & instance::status_holder_constructed) != 0u;
}
// NOLINTNEXTLINE(readability-make-member-function-const)
void set_holder_constructed(bool v = true) {
if (inst->simple_layout) {
inst->simple_holder_constructed = v;
} else if (v) {
inst->nonsimple.status[index] |= instance::status_holder_constructed;
} else {
inst->nonsimple.status[index] &= (std::uint8_t) ~instance::status_holder_constructed;
}
}
bool instance_registered() const {
return inst->simple_layout
? inst->simple_instance_registered
: ((inst->nonsimple.status[index] & instance::status_instance_registered) != 0);
}
// NOLINTNEXTLINE(readability-make-member-function-const)
void set_instance_registered(bool v = true) {
if (inst->simple_layout) {
inst->simple_instance_registered = v;
} else if (v) {
inst->nonsimple.status[index] |= instance::status_instance_registered;
} else {
inst->nonsimple.status[index] &= (std::uint8_t) ~instance::status_instance_registered;
}
}
};
// Container for accessing and iterating over an instance's values/holders
struct values_and_holders {
private:

77
include/pybind11/detail/value_and_holder.h Normal file
View File

@ -0,0 +1,77 @@
// Copyright (c) 2016-2024 The Pybind Development Team.
// All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#pragma once
#include "common.h"
#include <cstddef>
#include <typeinfo>
PYBIND11_NAMESPACE_BEGIN(PYBIND11_NAMESPACE)
PYBIND11_NAMESPACE_BEGIN(detail)
struct value_and_holder {
instance *inst = nullptr;
size_t index = 0u;
const detail::type_info *type = nullptr;
void **vh = nullptr;
// Main constructor for a found value/holder:
value_and_holder(instance *i, const detail::type_info *type, size_t vpos, size_t index)
: inst{i}, index{index}, type{type},
vh{inst->simple_layout ? inst->simple_value_holder
: &inst->nonsimple.values_and_holders[vpos]} {}
// Default constructor (used to signal a value-and-holder not found by get_value_and_holder())
value_and_holder() = default;
// Used for past-the-end iterator
explicit value_and_holder(size_t index) : index{index} {}
template <typename V = void>
V *&value_ptr() const {
return reinterpret_cast<V *&>(vh[0]);
}
// True if this `value_and_holder` has a non-null value pointer
explicit operator bool() const { return value_ptr() != nullptr; }
template <typename H>
H &holder() const {
return reinterpret_cast<H &>(vh[1]);
}
bool holder_constructed() const {
return inst->simple_layout
? inst->simple_holder_constructed
: (inst->nonsimple.status[index] & instance::status_holder_constructed) != 0u;
}
// NOLINTNEXTLINE(readability-make-member-function-const)
void set_holder_constructed(bool v = true) {
if (inst->simple_layout) {
inst->simple_holder_constructed = v;
} else if (v) {
inst->nonsimple.status[index] |= instance::status_holder_constructed;
} else {
inst->nonsimple.status[index] &= (std::uint8_t) ~instance::status_holder_constructed;
}
}
bool instance_registered() const {
return inst->simple_layout
? inst->simple_instance_registered
: ((inst->nonsimple.status[index] & instance::status_instance_registered) != 0);
}
// NOLINTNEXTLINE(readability-make-member-function-const)
void set_instance_registered(bool v = true) {
if (inst->simple_layout) {
inst->simple_instance_registered = v;
} else if (v) {
inst->nonsimple.status[index] |= instance::status_instance_registered;
} else {
inst->nonsimple.status[index] &= (std::uint8_t) ~instance::status_instance_registered;
}
}
};
PYBIND11_NAMESPACE_END(detail)
PYBIND11_NAMESPACE_END(PYBIND11_NAMESPACE)

1
tests/extra_python_package/test_files.py
View File

@ -58,6 +58,7 @@ detail_headers = {
"include/pybind11/detail/internals.h",
"include/pybind11/detail/type_caster_base.h",
"include/pybind11/detail/typeid.h",
"include/pybind11/detail/value_and_holder.h",
}
eigen_headers = {