summaryrefslogtreecommitdiff
path: root/core/variant/native_ptr.h
blob: 913d4d8f7c25cadeed05be8f4e474e6d08310708 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/*************************************************************************/
/*  native_ptr.h                                                         */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

#ifndef NATIVE_PTR_H
#define NATIVE_PTR_H

#include "core/math/audio_frame.h"
#include "core/variant/method_ptrcall.h"
#include "core/variant/type_info.h"

template <class T>
struct GDNativeConstPtr {
	const T *data = nullptr;
	GDNativeConstPtr(const T *p_assign) { data = p_assign; }
	static const char *get_name() { return "const void"; }
	operator const T *() const { return data; }
	operator Variant() const { return uint64_t(data); }
};

template <class T>
struct GDNativePtr {
	T *data = nullptr;
	GDNativePtr(T *p_assign) { data = p_assign; }
	static const char *get_name() { return "void"; }
	operator T *() const { return data; }
	operator Variant() const { return uint64_t(data); }
};

#define GDVIRTUAL_NATIVE_PTR(m_type)                                  \
	template <>                                                       \
	struct GDNativeConstPtr<const m_type> {                           \
		const m_type *data = nullptr;                                 \
		GDNativeConstPtr(const m_type *p_assign) { data = p_assign; } \
		static const char *get_name() { return "const " #m_type; }    \
		operator const m_type *() const { return data; }              \
		operator Variant() const { return uint64_t(data); }           \
	};                                                                \
	template <>                                                       \
	struct GDNativePtr<m_type> {                                      \
		m_type *data = nullptr;                                       \
		GDNativePtr(m_type *p_assign) { data = p_assign; }            \
		static const char *get_name() { return #m_type; }             \
		operator m_type *() const { return data; }                    \
		operator Variant() const { return uint64_t(data); }           \
	};

template <class T>
struct GetTypeInfo<GDNativeConstPtr<T>> {
	static const Variant::Type VARIANT_TYPE = Variant::NIL;
	static const GodotTypeInfo::Metadata METADATA = GodotTypeInfo::METADATA_NONE;
	static inline PropertyInfo get_class_info() {
		return PropertyInfo(Variant::INT, String(), PROPERTY_HINT_INT_IS_POINTER, GDNativeConstPtr<T>::get_name());
	}
};

template <class T>
struct GetTypeInfo<GDNativePtr<T>> {
	static const Variant::Type VARIANT_TYPE = Variant::NIL;
	static const GodotTypeInfo::Metadata METADATA = GodotTypeInfo::METADATA_NONE;
	static inline PropertyInfo get_class_info() {
		return PropertyInfo(Variant::INT, String(), PROPERTY_HINT_INT_IS_POINTER, GDNativePtr<T>::get_name());
	}
};

template <class T>
struct PtrToArg<GDNativeConstPtr<T>> {
	_FORCE_INLINE_ static GDNativeConstPtr<T> convert(const void *p_ptr) {
		return GDNativeConstPtr<T>(reinterpret_cast<const T *>(p_ptr));
	}
	typedef const T *EncodeT;
	_FORCE_INLINE_ static void encode(GDNativeConstPtr<T> p_val, void *p_ptr) {
		*((const T **)p_ptr) = p_val.data;
	}
};
template <class T>
struct PtrToArg<GDNativePtr<T>> {
	_FORCE_INLINE_ static GDNativePtr<T> convert(const void *p_ptr) {
		return GDNativePtr<T>(reinterpret_cast<const T *>(p_ptr));
	}
	typedef T *EncodeT;
	_FORCE_INLINE_ static void encode(GDNativePtr<T> p_val, void *p_ptr) {
		*((T **)p_ptr) = p_val.data;
	}
};

GDVIRTUAL_NATIVE_PTR(AudioFrame)
GDVIRTUAL_NATIVE_PTR(bool)
GDVIRTUAL_NATIVE_PTR(char)
GDVIRTUAL_NATIVE_PTR(char16_t)
GDVIRTUAL_NATIVE_PTR(char32_t)
GDVIRTUAL_NATIVE_PTR(wchar_t)
GDVIRTUAL_NATIVE_PTR(uint8_t)
GDVIRTUAL_NATIVE_PTR(uint8_t *)
GDVIRTUAL_NATIVE_PTR(int8_t)
GDVIRTUAL_NATIVE_PTR(uint16_t)
GDVIRTUAL_NATIVE_PTR(int16_t)
GDVIRTUAL_NATIVE_PTR(uint32_t)
GDVIRTUAL_NATIVE_PTR(int32_t)
GDVIRTUAL_NATIVE_PTR(int64_t)
GDVIRTUAL_NATIVE_PTR(uint64_t)
GDVIRTUAL_NATIVE_PTR(float)
GDVIRTUAL_NATIVE_PTR(double)

#endif // NATIVE_PTR_H