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#ifndef __LUAX_CLASS_H__
#define __LUAX_CLASS_H__
#include "luax_config.h"
#if LUAX_PROFILER
#include <unordered_set>
#endif
#include <vector>
#include "luax_ref.h"
#include "luax_memberref.h"
#include "luax_cfunctions.h"
#include "luax_watchdog.h"
namespace Luax
{
class LuaxVM;
///
/// RegisterLuaxClass עķͳԱö١ȵclass table
/// LuaxGetFactoryName ùͬʱעʱעΪsingletonͨ
/// ʱ
///
#define LUAX_DECL_FACTORY(type, ...) \
friend class Luax::LuaxState; \
friend class Luax::LuaxNativeClass<type,##__VA_ARGS__>; \
static void RegisterLuaxClass(Luax::LuaxState&); \
static void RegisterLuaxPostprocess(Luax::LuaxState&); \
static const char* GetLuaxFactoryName() { return #type; };\
static const char* GetLuaxClassName() { return #type; };\
static bool IsLuaxClassSingleton() { return false; }
///
/// Ϊijʹô˺꣬עһڣעắеãעЩ
///
///
#define LUAX_DECL_ABSTRACT_FACTORY() \
static void RegisterLuaxClass(Luax::LuaxState&);\
static void RegisterLuaxPostprocess(Luax::LuaxState&)
///
/// RegisterLuaxClass עķͳԱö١ȵclass table
/// LuaxGetSingletonName õ
///
#define LUAX_DECL_SINGLETON(type, ...) \
friend class Luax::LuaxState; \
friend class Luax::LuaxNativeClass<type,##__VA_ARGS__>; \
static void RegisterLuaxClass(Luax::LuaxState&); \
static void RegisterLuaxPostprocess(Luax::LuaxState&); \
static const char* GetLuaxSingletonName() { return #type; }; \
static const char* GetLuaxClassName() { return #type; }; \
static bool IsLuaxClassSingleton() { return true; }
#define LUAX_DECL_METHOD(mtd) static int mtd(lua_State* L)
#define LUAX_DECL_ENUM(e, under_line_index) static void _luax_dec_enum_##e()
///
/// ʵֵĺꡣһL
///
#define LUAX_IMPL_METHOD(type, f) int type::f(lua_State* L)
///
/// Ӧóʵֵӿڡһstate
///
#define LUAX_REGISTRY(type) void type::RegisterLuaxClass(Luax::LuaxState& state)
#define LUAX_POSTPROCESS(type) void type::RegisterLuaxPostprocess(Luax::LuaxState& state)
///
/// עĺꡣ֮ǰÿɱ꣬ûluaclastable refûעԡ
///
#define LUAX_REGISTER_FACTORY(state, param) state.RegisterFactory<param>()
#define LUAX_REGISTER_SINGLETON(state, param) state.RegisterSingleton<param>()
#define LUAX_REGISTER_ABSTRACT_FACTORY(state, type) type::RegisterLuaxPostprocess(state)
#define LUAX_REGISTER_METHODS(state, ...) \
do{ \
luaL_Reg __m[] = {__VA_ARGS__,{0, 0}}; \
state.RegisterMethods(__m); \
}while(0)
#define LUAX_REGISTER_ENUM(state, name, ...) \
do{ \
Luax::LuaxEnum __e[] = {__VA_ARGS__,{0, 0}}; \
state.RegisterEnum(name, __e); \
}while(0)
#define LUAX_PREPARE(L, T) \
LUAX_STATE(L); \
T* self = state.GetUserdata<T>(1);
#define LUAX_INHERIT(state, type) type::RegisterLuaxClass(state)
///
/// ࣬Ϊʵֶ̬ҪЩӿڵⲿҪ̳д֮࣬оͻ
/// öӦʵķע̳дʱʵķʵLuaxNativeClassУʵֻ
/// ¶ԡ
///
/// Effective C++40ڱʹvirtual base£Ӧþܱз
/// ݳԱݳԱʼɵһЩ⡣һ㣬vpbӽӽC#Java
/// InterfaceԣIͷʶһӿڡ
///
class LuaxObject
{
public:
LuaxObject() {};
virtual ~LuaxObject() {};
///
/// Աùʵref tableáȡ
///
virtual bool PushLuaxMemberRef(LuaxState& state, int refID) = 0;
virtual bool PushLuaxUserdata(LuaxState& state) = 0;
virtual bool PushLuaxMemberTable(LuaxState& state) = 0;
virtual bool PushLuaxRefTable(LuaxState& state) = 0;
///
/// LuaxNativeClassʵֺ֡ͷnativeԴ
///
virtual void Retain() = 0;
virtual void Release() = 0;
};
// TODO: ȡҪظɴ
//class LuaxNativeClassBase
//{
//}
///
/// Ҫ¶luanative classҪ̳дࡣͨluaʵҪȷüȷԣ
/// ߳Ҫȷͷš
///
template<class TYPE, class BASE = LuaxObject>
class LuaxNativeClass : public BASE
{
public:
///
/// userdataΪkeyref tableuserdataһãάuserdataڡ
/// Ƚmember refʵᱻαͬʵõƵЩʵ壬
/// luaƵĵgc⡣
///
template<class DATATYPE> void LuaxRetain(LuaxState& state, DATATYPE* userdata);
///
/// userdataһref tableԳԻuserdata
///
template<class DATATYPE> void LuaxRelease(LuaxState& state, DATATYPE* userdata);
///
/// userdata pushջûгʼmUserdataʼúԪѳʼõ
/// userdataջһáһnativeȨƽluaƵķ
///
bool PushLuaxMemberRef(LuaxState& state, int refID) override;
bool PushLuaxUserdata(LuaxState& state) override;
bool PushLuaxMemberTable(LuaxState& state) override;
bool PushLuaxRefTable(LuaxState& state) override;
///
/// Watch dog һnativeáluaVMòṩⲿӿڡ̳дֱʹ
/// deleteӦʹReleaseͷšһ__gcУû
/// nativeиͷţҪʹRelease
///
/// nativeӿڡ
///
void Retain() override final;
void Release() override final;
#if LUAX_PROFILER
// Զϴʵdeleteռ
static void operator delete(void* pdead, size_t size);
#endif
protected:
LuaxNativeClass();
virtual ~LuaxNativeClass();
///
/// Աùʵref tableáȡ
///
void SetLuaxMemberRef(LuaxState& state, LuaxMemberRef& memRef, int idx);
bool PushLuaxMemberRef(LuaxState& state, LuaxMemberRef& memRef);
void ClearLuaxMemberRef(LuaxState& state, LuaxMemberRef& memRef);
private:
friend class LuaxState;
static void RegisterLuaxClassShared(LuaxState& state);
static void RegisterLuaxFactoryClass(LuaxState& state);
static void RegisterLuaxSingletonClass(LuaxState& state);
static void SetLuaxClassTableRef(LuaxState& state, int idx);
static void PushLuaxClassTable(LuaxState& state);
///
/// userdataʵstate
///
void BindToLua(LuaxState& state);
//------------------------------------------------------------------------------//
//
static int __tostring (lua_State*);
static int _GetClass (lua_State*);
static int _GetClassName (lua_State*);
//
static int __gc (lua_State*);
static int _GetRefTable (lua_State*);
static int _New (lua_State*);
#if LUAX_ENABLE_NATIVE_EXTEND
static int _ExtendFactory (lua_State*);
static int _ExtendSingleton (lua_State*);
#endif
//--------------------------------------------------------------------------------//
///
/// class table͵С
///
static LuaxStrongRef mClassTable;
///
/// ǵsingletonùϵԱ֤ᱻͨref table
/// ijԱȫڵģֱ_LUAX_STRONGREF_TABLEuserdata
/// LuaxRetain\LuaxReleasemember refʱʵͬǴref table
/// ģtable_LUAX_STRONGREF_TABLE
///
static LuaxStrongRef mSingletonRefTable;
///
/// ͨuserdataõ:
/// 1: ref table
/// 2: member table
/// 3: class table
///
LuaxWeakRef mUserdata;
///
/// ͨɾ
///
LuaxWatchDog mWatchDog;
#if LUAX_PROFILER
// йܴ˶
std::unordered_set<LuaxVM*> mRefVMs;
// գⲿʹdeleteֱɾӦʹRelease
bool mSafer;
#endif
};
#if LUAX_ENABLE_PLAIN_CLASS
///
/// lua
///
class LuaxPlainClass
{
public:
///
/// עںͨregistry()עࡣ
///
static int registry(lua_State* L);
LUAX_DECL_METHOD(__tostring);
LUAX_DECL_METHOD(_Extend);
LUAX_DECL_METHOD(_New);
LUAX_DECL_METHOD(_TypeOf);
};
#endif
}
#endif
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