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/**************************************************************************/
/* memory.cpp */
/**************************************************************************/
/* This file is part of: */
/* REDOT ENGINE */
/* https://redotengine.org */
/**************************************************************************/
/* Copyright (c) 2024-present Redot Engine contributors */
/* (see REDOT_AUTHORS.md) */
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/**************************************************************************/
#include <godot_cpp/core/memory.hpp>
#include <godot_cpp/godot.hpp>
namespace godot {
void *Memory::alloc_static(size_t p_bytes, bool p_pad_align) {
#ifdef DEBUG_ENABLED
bool prepad = false; // Already pre paded in the engine.
#else
bool prepad = p_pad_align;
#endif
void *mem = internal::gdextension_interface_mem_alloc(p_bytes + (prepad ? DATA_OFFSET : 0));
ERR_FAIL_NULL_V(mem, nullptr);
if (prepad) {
uint8_t *s8 = (uint8_t *)mem;
return s8 + DATA_OFFSET;
} else {
return mem;
}
}
void *Memory::realloc_static(void *p_memory, size_t p_bytes, bool p_pad_align) {
if (p_memory == nullptr) {
return alloc_static(p_bytes, p_pad_align);
} else if (p_bytes == 0) {
free_static(p_memory, p_pad_align);
return nullptr;
}
uint8_t *mem = (uint8_t *)p_memory;
#ifdef DEBUG_ENABLED
bool prepad = false; // Already pre paded in the engine.
#else
bool prepad = p_pad_align;
#endif
if (prepad) {
mem -= DATA_OFFSET;
mem = (uint8_t *)internal::gdextension_interface_mem_realloc(mem, p_bytes + DATA_OFFSET);
ERR_FAIL_NULL_V(mem, nullptr);
return mem + DATA_OFFSET;
} else {
return (uint8_t *)internal::gdextension_interface_mem_realloc(mem, p_bytes);
}
}
void Memory::free_static(void *p_ptr, bool p_pad_align) {
uint8_t *mem = (uint8_t *)p_ptr;
#ifdef DEBUG_ENABLED
bool prepad = false; // Already pre paded in the engine.
#else
bool prepad = p_pad_align;
#endif
if (prepad) {
mem -= DATA_OFFSET;
}
internal::gdextension_interface_mem_free(mem);
}
_GlobalNil::_GlobalNil() {
left = this;
right = this;
parent = this;
}
_GlobalNil _GlobalNilClass::_nil;
} // namespace godot
// p_dummy argument is added to avoid conflicts with the engine functions when both engine and GDExtension are built as a static library on iOS.
void *operator new(size_t p_size, const char *p_dummy, const char *p_description) {
return godot::Memory::alloc_static(p_size);
}
void *operator new(size_t p_size, const char *p_dummy, void *(*p_allocfunc)(size_t p_size)) {
return p_allocfunc(p_size);
}
using namespace godot;
#ifdef _MSC_VER
void operator delete(void *p_mem, const char *p_dummy, const char *p_description) {
ERR_PRINT("Call to placement delete should not happen.");
CRASH_NOW();
}
void operator delete(void *p_mem, const char *p_dummy, void *(*p_allocfunc)(size_t p_size)) {
ERR_PRINT("Call to placement delete should not happen.");
CRASH_NOW();
}
void operator delete(void *p_mem, const char *p_dummy, void *p_pointer, size_t check, const char *p_description) {
ERR_PRINT("Call to placement delete should not happen.");
CRASH_NOW();
}
#endif
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