source: src/examples/gc_no_raii/src/internal/object_header.h @ eb4f201

#pragma once

#include <stddef.h>
#include <stdint.h>

#include "tools.h"

#if DEBUG
        static const long unsigned int CANARY_VALUE = 0xCAFEBABACAFEBABA;
#endif

struct gcpointer_t;
struct gc_object_header;

struct gc_object_header
{
        #if DEBUG
                void* canary_start;
        #endif

        size_t          size;
        gcpointer_t*    root_chain;
        gcpointer_t*    type_chain;
        gc_object_header*       forward;
        bool                    is_forwarded;

        #if DEBUG
                void* canary_end;
        #endif
};

void ctor(gc_object_header* const this, size_t size);
void copy_ctor(gc_object_header* const this, const gc_object_header* const other);

static inline gc_object_header* placement_ctor(void* address, size_t size)
{
        gc_object_header* const this = (gc_object_header* const) address;
        ctor(this, size);
        return this;
}

static inline gc_object_header* placement_copy_ctor(void* address, const gc_object_header* const other)
{
        gc_object_header* const this = (gc_object_header* const) address;
        copy_ctor(this, other);
        return this;
}