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#include "slang-ref-object-reflect.h"

#include "slang-ast-support-types.h"
#include "slang-generated-obj-macro.h"
#include "slang-generated-obj.h"
#include "slang.h"

// #include "slang-serialize.h"

#include "slang-serialize-ast-type-info.h"

namespace Slang
{

static const SerialClass* _addClass(
    SerialClasses* serialClasses,
    RefObjectType type,
    RefObjectType super,
    const List<SerialField>& fields)
{
    const SerialClass* superClass =
        serialClasses->getSerialClass(SerialTypeKind::RefObject, SerialSubType(super));
    return serialClasses->add(
        SerialTypeKind::RefObject,
        SerialSubType(type),
        fields.getBuffer(),
        fields.getCount(),
        superClass);
}

#define SLANG_REF_OBJECT_ADD_SERIAL_FIELD(FIELD_NAME, TYPE, param) \
    fields.add(SerialField::make(#FIELD_NAME, &obj->FIELD_NAME));

// Note that the obj point is not nullptr, because some compilers notice this is 'indexing from
// null' and warn/error. So we offset from 1.
#define SLANG_REF_OBJECT_ADD_SERIAL_CLASS(NAME, SUPER, ORIGIN, LAST, MARKER, TYPE, param) \
    {                                                                                     \
        NAME* obj = SerialField::getPtr<NAME>();                                          \
        SLANG_UNUSED(obj);                                                                \
        fields.clear();                                                                   \
        SLANG_FIELDS_RefObject_##NAME(SLANG_REF_OBJECT_ADD_SERIAL_FIELD, param)           \
            _addClass(serialClasses, RefObjectType::NAME, RefObjectType::SUPER, fields);  \
    }

struct RefObjectAccess
{
    template<typename T>
    static void* create(void* context)
    {
        SLANG_UNUSED(context)
        return new T;
    }

    static void calcClasses(SerialClasses* serialClasses)
    {
        // Add SerialRefObject first, and specially handle so that we add a null super class
        serialClasses->add(
            SerialTypeKind::RefObject,
            SerialSubType(RefObjectType::SerialRefObject),
            nullptr,
            0,
            nullptr);

        // Add the rest in order such that Super class is always added before its children
        List<SerialField> fields;
        SLANG_CHILDREN_RefObject_SerialRefObject(SLANG_REF_OBJECT_ADD_SERIAL_CLASS, _)
    }
};

#define SLANG_GET_SUPER_BASE(SUPER) nullptr
#define SLANG_GET_SUPER_INNER(SUPER) &SUPER::kReflectClassInfo
#define SLANG_GET_SUPER_LEAF(SUPER) &SUPER::kReflectClassInfo

#define SLANG_GET_CREATE_FUNC_NONE(NAME) nullptr
#define SLANG_GET_CREATE_FUNC_OBJ_ABSTRACT(NAME) nullptr
#define SLANG_GET_CREATE_FUNC_OBJ(NAME) &RefObjectAccess::create<NAME>

#define SLANG_REFLECT_CLASS_INFO(NAME, SUPER, ORIGIN, LAST, MARKER, TYPE, param) \
    /* static */ const ReflectClassInfo NAME::kReflectClassInfo = {              \
        uint32_t(RefObjectType::NAME),                                           \
        uint32_t(RefObjectType::LAST),                                           \
        SLANG_GET_SUPER_##TYPE(SUPER),                                           \
        #NAME,                                                                   \
        SLANG_GET_CREATE_FUNC_##MARKER(NAME),                                    \
        nullptr,                                                                 \
        uint32_t(sizeof(NAME)),                                                  \
        uint8_t(SLANG_ALIGN_OF(NAME))};

SLANG_ALL_RefObject_SerialRefObject(SLANG_REFLECT_CLASS_INFO, _)

    /* static */ const SerialRefObjects SerialRefObjects::g_singleton;

// Macro to set all of the entries in m_infos for SerialRefObjects
#define SLANG_GET_REFLECT_CLASS_INFO(NAME, SUPER, ORIGIN, LAST, MARKER, TYPE, param) \
    m_infos[Index(RefObjectType::NAME)] = &NAME::kReflectClassInfo;

SerialRefObjects::SerialRefObjects(){
    SLANG_ALL_RefObject_SerialRefObject(SLANG_GET_REFLECT_CLASS_INFO, _)}

/* static */ SlangResult SerialRefObjects::addSerialClasses(SerialClasses* serialClasses)
{
    RefObjectAccess::calcClasses(serialClasses);
    return SLANG_OK;
}

} // namespace Slang