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Diffstat (limited to 'core/variant/native_ptr.h')
| -rw-r--r-- | core/variant/native_ptr.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/core/variant/native_ptr.h b/core/variant/native_ptr.h new file mode 100644 index 0000000000..b4ec0df7d6 --- /dev/null +++ b/core/variant/native_ptr.h @@ -0,0 +1,130 @@ +/*************************************************************************/ +/* 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<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(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 |