public static int MetaFuncIndex(RealStatePtr L)
 {
     try
     {
         ObjectTranslator translator = ObjectTranslatorPool.Instance.Find(L);
         Type             type       = translator.FastGetCSObj(L, 2) as Type;
         if (type == null)
         {
             return(LuaAPI.luaL_error(L, "#2 param need a System.Type!"));
         }
         //UnityEngine.Debug.Log("============================load type by __index:" + type);
         //translator.TryDelayWrapLoader(L, type);
         translator.GetTypeId(L, type);
         LuaAPI.lua_pushvalue(L, 2);
         LuaAPI.lua_rawget(L, 1);
         return(1);
     }
     catch (System.Exception e)
     {
         return(LuaAPI.luaL_error(L, "c# exception in MetaFuncIndex:" + e));
     }
 }
Esempio n. 2
0
        // no boxing version get
        public void RawGet <TKey, TValue>(TKey key, out TValue value)
        {
#if THREAD_SAFE || HOTFIX_ENABLE
            lock (luaEnv.luaEnvLock)
            {
#endif
            var L          = luaEnv.L;
            var translator = luaEnv.translator;
            int oldTop     = LuaAPI.lua_gettop(L);
            LuaAPI.lua_getref(L, luaReference);
            translator.PushByType(L, key);

            LuaAPI.lua_rawget(L, -2);

            LuaTypes lua_type  = LuaAPI.lua_type(L, -1);
            Type type_of_value = typeof(TValue);
            if (lua_type == LuaTypes.LUA_TNIL && type_of_value.IsValueType())
            {
                throw new InvalidCastException("can not assign nil to " + type_of_value.GetFriendlyName());
            }

            try
            {
                translator.Get(L, -1, out value);
            }
            catch (Exception e)
            {
                throw e;
            }
            finally
            {
                LuaAPI.lua_settop(L, oldTop);
            }
#if THREAD_SAFE || HOTFIX_ENABLE
        }
#endif
        }
Esempio n. 3
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        public static void loadUpvalue(RealStatePtr L, Type type, string metafunc, int num)
        {
            ObjectTranslator translator = ObjectTranslatorPool.Instance.Find(L);

            LuaAPI.xlua_pushasciistring(L, metafunc);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            translator.Push(L, type);
            LuaAPI.lua_rawget(L, -2);
            for (int i = 1; i <= num; i++)
            {
                LuaAPI.lua_getupvalue(L, -i, i);
                if (LuaAPI.lua_isnil(L, -1))
                {
                    LuaAPI.lua_pop(L, 1);
                    LuaAPI.lua_newtable(L);
                    LuaAPI.lua_pushvalue(L, -1);
                    LuaAPI.lua_setupvalue(L, -i - 2, i);
                }
            }
            for (int i = 0; i < num; i++)
            {
                LuaAPI.lua_remove(L, -num - 1);
            }
        }
Esempio n. 4
0
        // no boxing version get
        public bool ContainsRawKey <TKey>(TKey key)
        {
#if THREAD_SAFE || HOTFIX_ENABLE
            lock (luaEnv.luaEnvLock)
            {
#endif
            var L          = luaEnv.L;
            var translator = luaEnv.translator;
            int oldTop     = LuaAPI.lua_gettop(L);
            LuaAPI.lua_getref(L, luaReference);
            translator.PushByType(L, key);

            LuaAPI.lua_rawget(L, -2);

            bool ret = LuaAPI.lua_type(L, -1) != LuaTypes.LUA_TNIL;

            LuaAPI.lua_settop(L, oldTop);

            return(ret);

#if THREAD_SAFE || HOTFIX_ENABLE
        }
#endif
        }
 internal static int LoadCS(RealStatePtr L)
 {
     LuaAPI.xlua_pushasciistring(L, LuaEnv.CSHARP_NAMESPACE);
     LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
     return(1);
 }
Esempio n. 6
0
        public Delegate CreateDelegateBridge(RealStatePtr L, Type delegateType, int idx)
        {
            LuaAPI.lua_pushvalue(L, idx);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            if (!LuaAPI.lua_isnil(L, -1))
            {
                int referenced = LuaAPI.xlua_tointeger(L, -1);
                LuaAPI.lua_pop(L, 1);

                if (delegate_bridges[referenced].IsAlive)
                {
                    DelegateBridgeBase exist_bridge = delegate_bridges[referenced].Target as DelegateBridgeBase;
                    Delegate           exist_delegate;
                    if (exist_bridge.TryGetDelegate(delegateType, out exist_delegate))
                    {
                        return(exist_delegate);
                    }
                    else
                    {
                        exist_delegate = exist_bridge.GetDelegateByType(delegateType);
                        exist_bridge.AddDelegate(delegateType, exist_delegate);
                        return(exist_delegate);
                    }
                }
            }
            else
            {
                LuaAPI.lua_pop(L, 1);
            }

            LuaAPI.lua_pushvalue(L, idx);
            int reference = LuaAPI.luaL_ref(L);

            LuaAPI.lua_pushvalue(L, idx);
            LuaAPI.lua_pushnumber(L, reference);
            LuaAPI.lua_rawset(L, LuaIndexes.LUA_REGISTRYINDEX);
            DelegateBridgeBase bridge;

            try
            {
#if UNITY_EDITOR
                if (!DelegateBridge.Gen_Flag)
                {
                    bridge = Activator.CreateInstance(delegate_birdge_type, new object[] { reference, luaEnv }) as DelegateBridgeBase;
                }
                else
#endif
                {
                    bridge = new DelegateBridge(reference, luaEnv);
                }
            }
            catch (Exception e)
            {
                LuaAPI.lua_pushvalue(L, idx);
                LuaAPI.lua_pushnil(L);
                LuaAPI.lua_rawset(L, LuaIndexes.LUA_REGISTRYINDEX);
                LuaAPI.lua_pushnil(L);
                LuaAPI.xlua_rawseti(L, LuaIndexes.LUA_REGISTRYINDEX, reference);
                throw e;
            }
            try {
                var ret = bridge.GetDelegateByType(delegateType);
                bridge.AddDelegate(delegateType, ret);
                delegate_bridges[reference] = new WeakReference(bridge);
                return(ret);
            }
            catch (Exception e)
            {
                bridge.Dispose();
                throw e;
            }
        }
Esempio n. 7
0
        public static void EndObjectRegister(Type type, RealStatePtr L, ObjectTranslator translator, LuaCSFunction csIndexer,
                                             LuaCSFunction csNewIndexer, Type base_type, LuaCSFunction arrayIndexer, LuaCSFunction arrayNewIndexer)
        {
            int top        = LuaAPI.lua_gettop(L);
            int meta_idx   = abs_idx(top, OBJ_META_IDX);
            int method_idx = abs_idx(top, METHOD_IDX);
            int getter_idx = abs_idx(top, GETTER_IDX);
            int setter_idx = abs_idx(top, SETTER_IDX);

            //begin index gen
            LuaAPI.xlua_pushasciistring(L, "__index");
            LuaAPI.lua_pushvalue(L, method_idx);
            LuaAPI.lua_pushvalue(L, getter_idx);

            if (csIndexer == null)
            {
                LuaAPI.lua_pushnil(L);
            }
            else
            {
                LuaAPI.lua_pushstdcallcfunction(L, csIndexer);
            }

            translator.Push(L, type == null ? base_type : type.BaseType);

            LuaAPI.xlua_pushasciistring(L, Utils.LuaIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            if (arrayIndexer == null)
            {
                LuaAPI.lua_pushnil(L);
            }
            else
            {
                LuaAPI.lua_pushstdcallcfunction(L, arrayIndexer);
            }

            LuaAPI.gen_obj_indexer(L);

            if (type != null)
            {
                LuaAPI.xlua_pushasciistring(L, Utils.LuaIndexsFieldName);
                LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);//store in lua indexs function tables
                translator.Push(L, type);
                LuaAPI.lua_pushvalue(L, -3);
                LuaAPI.lua_rawset(L, -3);
                LuaAPI.lua_pop(L, 1);
            }

            LuaAPI.lua_rawset(L, meta_idx);
            //end index gen

            //begin newindex gen
            LuaAPI.xlua_pushasciistring(L, "__newindex");
            LuaAPI.lua_pushvalue(L, setter_idx);

            if (csNewIndexer == null)
            {
                LuaAPI.lua_pushnil(L);
            }
            else
            {
                LuaAPI.lua_pushstdcallcfunction(L, csNewIndexer);
            }

            translator.Push(L, type == null ? base_type : type.BaseType);

            LuaAPI.xlua_pushasciistring(L, Utils.LuaNewIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);

            if (arrayNewIndexer == null)
            {
                LuaAPI.lua_pushnil(L);
            }
            else
            {
                LuaAPI.lua_pushstdcallcfunction(L, arrayNewIndexer);
            }

            LuaAPI.gen_obj_newindexer(L);

            if (type != null)
            {
                LuaAPI.xlua_pushasciistring(L, Utils.LuaNewIndexsFieldName);
                LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);//store in lua newindexs function tables
                translator.Push(L, type);
                LuaAPI.lua_pushvalue(L, -3);
                LuaAPI.lua_rawset(L, -3);
                LuaAPI.lua_pop(L, 1);
            }

            LuaAPI.lua_rawset(L, meta_idx);
            //end new index gen
            LuaAPI.lua_pop(L, 4);
        }
Esempio n. 8
0
        public static void ReflectionWrap(RealStatePtr L, Type type)
        {
            int top_enter = LuaAPI.lua_gettop(L);
            ObjectTranslator translator = ObjectTranslatorPool.Instance.Find(L);

            //create obj meta table
            LuaAPI.luaL_getmetatable(L, type.FullName);
            if (LuaAPI.lua_isnil(L, -1))
            {
                LuaAPI.lua_pop(L, 1);
                LuaAPI.luaL_newmetatable(L, type.FullName);
            }
            LuaAPI.lua_pushlightuserdata(L, LuaAPI.xlua_tag());
            LuaAPI.lua_pushnumber(L, 1);
            LuaAPI.lua_rawset(L, -3);
            int obj_meta = LuaAPI.lua_gettop(L);

            LuaAPI.lua_newtable(L);
            int cls_meta = LuaAPI.lua_gettop(L);

            LuaAPI.lua_newtable(L);
            int obj_field = LuaAPI.lua_gettop(L);

            LuaAPI.lua_newtable(L);
            int obj_getter = LuaAPI.lua_gettop(L);

            LuaAPI.lua_newtable(L);
            int obj_setter = LuaAPI.lua_gettop(L);

            LuaAPI.lua_newtable(L);
            int cls_field = LuaAPI.lua_gettop(L);

            LuaAPI.lua_newtable(L);
            int cls_getter = LuaAPI.lua_gettop(L);

            LuaAPI.lua_newtable(L);
            int cls_setter = LuaAPI.lua_gettop(L);

            LuaCSFunction item_getter;
            LuaCSFunction item_setter;

            makeReflectionWrap(L, type, cls_field, cls_getter, cls_setter, obj_field, obj_getter, obj_setter, obj_meta,
                               out item_getter, out item_setter);

            // init obj metatable
            LuaAPI.xlua_pushasciistring(L, "__gc");
            LuaAPI.lua_pushstdcallcfunction(L, translator.metaFunctions.GcMeta);
            LuaAPI.lua_rawset(L, obj_meta);

            LuaAPI.xlua_pushasciistring(L, "__tostring");
            LuaAPI.lua_pushstdcallcfunction(L, translator.metaFunctions.ToStringMeta);
            LuaAPI.lua_rawset(L, obj_meta);

            LuaAPI.xlua_pushasciistring(L, "__index");
            LuaAPI.lua_pushvalue(L, obj_field);
            LuaAPI.lua_pushvalue(L, obj_getter);
            translator.PushFixCSFunction(L, item_getter);
            translator.PushAny(L, type.BaseType);
            LuaAPI.xlua_pushasciistring(L, Utils.LuaIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            LuaAPI.lua_pushnil(L);
            LuaAPI.gen_obj_indexer(L);
            //store in lua indexs function tables
            LuaAPI.xlua_pushasciistring(L, Utils.LuaIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            translator.Push(L, type);
            LuaAPI.lua_pushvalue(L, -3);
            LuaAPI.lua_rawset(L, -3);
            LuaAPI.lua_pop(L, 1);
            LuaAPI.lua_rawset(L, obj_meta); // set __index

            LuaAPI.xlua_pushasciistring(L, "__newindex");
            LuaAPI.lua_pushvalue(L, obj_setter);
            translator.PushFixCSFunction(L, item_setter);
            translator.Push(L, type.BaseType);
            LuaAPI.xlua_pushasciistring(L, Utils.LuaNewIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            LuaAPI.lua_pushnil(L);
            LuaAPI.gen_obj_newindexer(L);
            //store in lua newindexs function tables
            LuaAPI.xlua_pushasciistring(L, Utils.LuaNewIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            translator.Push(L, type);
            LuaAPI.lua_pushvalue(L, -3);
            LuaAPI.lua_rawset(L, -3);
            LuaAPI.lua_pop(L, 1);
            LuaAPI.lua_rawset(L, obj_meta); // set __newindex
            //finish init obj metatable

            LuaAPI.xlua_pushasciistring(L, "UnderlyingSystemType");
            translator.PushAny(L, type);
            LuaAPI.lua_rawset(L, cls_field);

            if (type != null && type.IsEnum)
            {
                LuaAPI.xlua_pushasciistring(L, "__CastFrom");
                translator.PushFixCSFunction(L, genEnumCastFrom(type));
                LuaAPI.lua_rawset(L, cls_field);
            }

            //set cls_field to namespace
            SetCSTable(L, type, cls_field);
            //finish set cls_field to namespace

            //init class meta
            LuaAPI.xlua_pushasciistring(L, "__index");
            LuaAPI.lua_pushvalue(L, cls_getter);
            LuaAPI.lua_pushvalue(L, cls_field);
            translator.Push(L, type.BaseType);
            LuaAPI.xlua_pushasciistring(L, Utils.LuaClassIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            LuaAPI.gen_cls_indexer(L);
            //store in lua indexs function tables
            LuaAPI.xlua_pushasciistring(L, Utils.LuaClassIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            translator.Push(L, type);
            LuaAPI.lua_pushvalue(L, -3);
            LuaAPI.lua_rawset(L, -3);
            LuaAPI.lua_pop(L, 1);
            LuaAPI.lua_rawset(L, cls_meta); // set __index

            LuaAPI.xlua_pushasciistring(L, "__newindex");
            LuaAPI.lua_pushvalue(L, cls_setter);
            translator.Push(L, type.BaseType);
            LuaAPI.xlua_pushasciistring(L, Utils.LuaClassNewIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            LuaAPI.gen_cls_newindexer(L);
            //store in lua newindexs function tables
            LuaAPI.xlua_pushasciistring(L, Utils.LuaClassNewIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            translator.Push(L, type);
            LuaAPI.lua_pushvalue(L, -3);
            LuaAPI.lua_rawset(L, -3);
            LuaAPI.lua_pop(L, 1);
            LuaAPI.lua_rawset(L, cls_meta); // set __newindex

            LuaCSFunction constructor = translator.methodWrapsCache.GetConstructorWrap(type);

            if (constructor == null)
            {
                constructor = (RealStatePtr LL) =>
                {
                    return(LuaAPI.luaL_error(LL, "No constructor for " + type));
                };
            }

            LuaAPI.xlua_pushasciistring(L, "__call");
            translator.PushFixCSFunction(L, constructor);
            LuaAPI.lua_rawset(L, cls_meta);

            LuaAPI.lua_pushvalue(L, cls_meta);
            LuaAPI.lua_setmetatable(L, cls_field);

            LuaAPI.lua_pop(L, 8);

            System.Diagnostics.Debug.Assert(top_enter == LuaAPI.lua_gettop(L));
        }
Esempio n. 9
0
 public static bool LoadField(RealStatePtr L, int idx, string field_name)
 {
     LuaAPI.xlua_pushasciistring(L, field_name);
     LuaAPI.lua_rawget(L, idx);
     return(!LuaAPI.lua_isnil(L, -1));
 }
Esempio n. 10
0
        private ObjectCast genCaster(Type type)
        {
            ObjectCast fixTypeGetter = (RealStatePtr L, int idx, object target) =>
            {
                if (LuaAPI.lua_type(L, idx) == LuaTypes.LUA_TUSERDATA)
                {
                    object obj = translator.SafeGetCSObj(L, idx);
                    return((obj != null && type.IsAssignableFrom(obj.GetType())) ? obj : null);
                }
                return(null);
            };

            if (typeof(Delegate).IsAssignableFrom(type))
            {
                return((RealStatePtr L, int idx, object target) =>
                {
                    object obj = fixTypeGetter(L, idx, target);
                    if (obj != null)
                    {
                        return obj;
                    }

                    if (!LuaAPI.lua_isfunction(L, idx))
                    {
                        return null;
                    }

                    return translator.CreateDelegateBridge(L, type, idx);
                });
            }
            else if (type.IsInterface)
            {
                return((RealStatePtr L, int idx, object target) =>
                {
                    object obj = fixTypeGetter(L, idx, target);
                    if (obj != null)
                    {
                        return obj;
                    }

                    if (!LuaAPI.lua_istable(L, idx))
                    {
                        return null;
                    }
                    return translator.CreateInterfaceBridge(L, type, idx);
                });
            }
            else if (type.IsEnum)
            {
                return((RealStatePtr L, int idx, object target) =>
                {
                    object obj = fixTypeGetter(L, idx, target);
                    if (obj != null)
                    {
                        return obj;
                    }

                    LuaTypes lua_type = LuaAPI.lua_type(L, idx);
                    if (lua_type == LuaTypes.LUA_TSTRING)
                    {
                        return Enum.Parse(type, LuaAPI.lua_tostring(L, idx));
                    }
                    else if (lua_type == LuaTypes.LUA_TNUMBER)
                    {
                        return Enum.ToObject(type, LuaAPI.xlua_tointeger(L, idx));
                    }
                    throw new InvalidCastException("invalid value for enum " + type);
                });
            }
            else if (type.IsArray)
            {
                return((RealStatePtr L, int idx, object target) =>
                {
                    object obj = fixTypeGetter(L, idx, target);
                    if (obj != null)
                    {
                        return obj;
                    }

                    if (!LuaAPI.lua_istable(L, idx))
                    {
                        return null;
                    }

                    uint len = LuaAPI.xlua_objlen(L, idx);
                    int n = LuaAPI.lua_gettop(L);
                    idx = idx > 0 ? idx : LuaAPI.lua_gettop(L) + idx + 1;// abs of index
                    Type et = type.GetElementType();
                    ObjectCast elementCaster = GetCaster(et);
                    Array ary = target == null?Array.CreateInstance(et, len) : target as Array;

                    if (!LuaAPI.lua_checkstack(L, 1))
                    {
                        throw new Exception("stack overflow while cast to Array");
                    }
                    for (int i = 0; i < len; ++i)
                    {
                        LuaAPI.lua_pushnumber(L, i + 1);
                        LuaAPI.lua_rawget(L, idx);
                        if (et.IsPrimitive)
                        {
                            if (!StaticLuaCallbacks.TryPrimitiveArraySet(type, L, ary, i, n + 1))
                            {
                                ary.SetValue(elementCaster(L, n + 1, null), i);
                            }
                        }
                        else
                        {
                            if (StaticLuaCallbacks.GenTryArraySetPtr == null ||
                                !StaticLuaCallbacks.GenTryArraySetPtr(type, L, translator, ary, i, n + 1))
                            {
                                ary.SetValue(elementCaster(L, n + 1, null), i);
                            }
                        }
                        LuaAPI.lua_pop(L, 1);
                    }
                    return ary;
                });
            }
            else if (typeof(IList).IsAssignableFrom(type) && type.IsGenericType)
            {
                ObjectCast elementCaster = GetCaster(type.GetGenericArguments()[0]);

                return((RealStatePtr L, int idx, object target) =>
                {
                    object obj = fixTypeGetter(L, idx, target);
                    if (obj != null)
                    {
                        return obj;
                    }

                    if (!LuaAPI.lua_istable(L, idx))
                    {
                        return null;
                    }

                    obj = target == null?Activator.CreateInstance(type) : target;

                    int n = LuaAPI.lua_gettop(L);
                    idx = idx > 0 ? idx : LuaAPI.lua_gettop(L) + idx + 1;// abs of index
                    IList list = obj as IList;


                    uint len = LuaAPI.xlua_objlen(L, n);
                    if (!LuaAPI.lua_checkstack(L, 1))
                    {
                        throw new Exception("stack overflow while cast to IList");
                    }
                    for (int i = 0; i < len; ++i)
                    {
                        LuaAPI.lua_pushnumber(L, i + 1);
                        LuaAPI.lua_rawget(L, idx);
                        if (i < list.Count && target != null)
                        {
                            var item = elementCaster(L, n + 1, list[i]);
                            if (item != null)
                            {
                                list[i] = item;
                            }
                        }
                        else
                        {
                            var item = elementCaster(L, n + 1, null);
                            if (item != null)
                            {
                                list.Add(item);
                            }
                        }
                        LuaAPI.lua_pop(L, 1);
                    }
                    return obj;
                });
            }
            else if (typeof(IDictionary).IsAssignableFrom(type) && type.IsGenericType)
            {
                ObjectCast keyCaster   = GetCaster(type.GetGenericArguments()[0]);
                ObjectCast valueCaster = GetCaster(type.GetGenericArguments()[1]);

                return((RealStatePtr L, int idx, object target) =>
                {
                    object obj = fixTypeGetter(L, idx, target);
                    if (obj != null)
                    {
                        return obj;
                    }

                    if (!LuaAPI.lua_istable(L, idx))
                    {
                        return null;
                    }

                    IDictionary dic = (target == null ? Activator.CreateInstance(type) : target) as IDictionary;
                    int n = LuaAPI.lua_gettop(L);
                    idx = idx > 0 ? idx : LuaAPI.lua_gettop(L) + idx + 1;// abs of index

                    LuaAPI.lua_pushnil(L);
                    if (!LuaAPI.lua_checkstack(L, 1))
                    {
                        throw new Exception("stack overflow while cast to IDictionary");
                    }
                    while (LuaAPI.lua_next(L, idx) != 0)
                    {
                        object k = keyCaster(L, n + 1, null); // -2:key
                        if (k != null)
                        {
                            object v = valueCaster(L, n + 2, !dic.Contains(k) ? null : dic[k]);
                            if (v != null)
                            {
                                dic[k] = v; // -1:value
                            }
                        }
                        LuaAPI.lua_pop(L, 1); // removes value, keeps key for next iteration
                    }
                    return dic;
                });
            }
            else if ((type.IsClass && type.GetConstructor(System.Type.EmptyTypes) != null) || (type.IsValueType && !type.IsEnum)) //class has default construtor
            {
                return((RealStatePtr L, int idx, object target) =>
                {
                    object obj = fixTypeGetter(L, idx, target);
                    if (obj != null)
                    {
                        return obj;
                    }

                    if (!LuaAPI.lua_istable(L, idx))
                    {
                        return null;
                    }

                    obj = target == null?Activator.CreateInstance(type) : target;

                    int n = LuaAPI.lua_gettop(L);
                    idx = idx > 0 ? idx : LuaAPI.lua_gettop(L) + idx + 1;// abs of index
                    if (!LuaAPI.lua_checkstack(L, 1))
                    {
                        throw new Exception("stack overflow while cast to " + type);
                    }

                    /*foreach (PropertyInfo prop in type.GetProperties())
                     * {
                     *  LuaAPI.xlua_pushasciistring(L, prop.Name);
                     *  LuaAPI.lua_rawget(L, idx);
                     *  if (!LuaAPI.lua_isnil(L, -1))
                     *  {
                     *      try
                     *      {
                     *          prop.SetValue(obj, GetCaster(prop.PropertyType)(L, n + 1,
                     *              target == null || prop.PropertyType.IsPrimitive || prop.PropertyType == typeof(string) ? null : prop.GetValue(obj, null)), null);
                     *      }
                     *      catch (Exception e)
                     *      {
                     *          throw new Exception("exception in tran " + prop.Name + ", msg=" + e.Message);
                     *      }
                     *  }
                     *  LuaAPI.lua_pop(L, 1);
                     * }*/
                    foreach (FieldInfo field in type.GetFields())
                    {
                        LuaAPI.xlua_pushasciistring(L, field.Name);
                        LuaAPI.lua_rawget(L, idx);
                        if (!LuaAPI.lua_isnil(L, -1))
                        {
                            try
                            {
                                field.SetValue(obj, GetCaster(field.FieldType)(L, n + 1,
                                                                               target == null || field.FieldType.IsPrimitive || field.FieldType == typeof(string) ? null : field.GetValue(obj)));
                            }
                            catch (Exception e)
                            {
                                throw new Exception("exception in tran " + field.Name + ", msg=" + e.Message);
                            }
                        }
                        LuaAPI.lua_pop(L, 1);
                    }

                    return obj;
                });
            }
            else
            {
                return(fixTypeGetter);
            }
        }
Esempio n. 11
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        public static void ReflectionWrap(RealStatePtr L, Type type)
        {
            int top_enter = LuaAPI.lua_gettop(L);
            ObjectTranslator translator = ObjectTranslatorPool.Instance.Find(L);

            //create obj meta table
            LuaAPI.luaL_getmetatable(L, type.FullName);
            if (LuaAPI.lua_isnil(L, -1))
            {
                LuaAPI.lua_pop(L, 1);
                LuaAPI.luaL_newmetatable(L, type.FullName);
            }
            LuaAPI.lua_pushlightuserdata(L, LuaAPI.xlua_tag());
            LuaAPI.lua_pushnumber(L, 1);
            LuaAPI.lua_rawset(L, -3);
            int obj_meta = LuaAPI.lua_gettop(L);

            LuaAPI.lua_newtable(L);
            int cls_meta = LuaAPI.lua_gettop(L);

            LuaAPI.lua_newtable(L);
            int obj_field = LuaAPI.lua_gettop(L);

            LuaAPI.lua_newtable(L);
            int obj_getter = LuaAPI.lua_gettop(L);

            LuaAPI.lua_newtable(L);
            int obj_setter = LuaAPI.lua_gettop(L);

            LuaAPI.lua_newtable(L);
            int cls_field = LuaAPI.lua_gettop(L);

            LuaAPI.lua_newtable(L);
            int cls_getter = LuaAPI.lua_gettop(L);

            LuaAPI.lua_newtable(L);
            int cls_setter = LuaAPI.lua_gettop(L);

            BindingFlags flag = BindingFlags.DeclaredOnly | BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static;

            FieldInfo[] fields = type.GetFields(flag);

            for (int i = 0; i < fields.Length; ++i)
            {
                FieldInfo field = fields[i];
                if (field.IsStatic && (field.IsInitOnly || field.IsLiteral))
                {
                    LuaAPI.xlua_pushasciistring(L, field.Name);
                    translator.PushAny(L, field.GetValue(null));
                    LuaAPI.lua_rawset(L, cls_field);
                }
                else
                {
                    LuaAPI.xlua_pushasciistring(L, field.Name);
                    translator.PushFixCSFunction(L, genFieldGetter(type, field));
                    LuaAPI.lua_rawset(L, field.IsStatic ? cls_getter : obj_getter);

                    LuaAPI.xlua_pushasciistring(L, field.Name);
                    translator.PushFixCSFunction(L, genFieldSetter(type, field));
                    LuaAPI.lua_rawset(L, field.IsStatic ? cls_setter : obj_setter);
                }
            }

            EventInfo[] events = type.GetEvents(flag);
            for (int i = 0; i < events.Length; ++i)
            {
                EventInfo eventInfo = events[i];
                LuaAPI.xlua_pushasciistring(L, eventInfo.Name);
                translator.PushFixCSFunction(L, translator.methodWrapsCache.GetEventWrap(type, eventInfo.Name));
                bool is_static = (eventInfo.GetAddMethod() != null) ? eventInfo.GetAddMethod().IsStatic : eventInfo.GetRemoveMethod().IsStatic;
                LuaAPI.lua_rawset(L, is_static ? cls_field : obj_field);
            }

            Dictionary <string, PropertyInfo> prop_map = new Dictionary <string, PropertyInfo>();
            List <PropertyInfo> items = new List <PropertyInfo>();

            PropertyInfo[] props = type.GetProperties(flag);
            for (int i = 0; i < props.Length; ++i)
            {
                PropertyInfo prop = props[i];
                if (prop.Name == "Item")
                {
                    items.Add(prop);
                }
                else
                {
                    prop_map.Add(prop.Name, prop);
                }
            }

            var           item_array  = items.ToArray();
            LuaCSFunction item_getter = item_array.Length > 0 ? genItemGetter(type, item_array) : null;
            LuaCSFunction item_setter = item_array.Length > 0 ? genItemSetter(type, item_array) : null;;

            MethodInfo[] methods = type.GetMethods(flag);
            Dictionary <MethodKey, List <MemberInfo> > pending_methods = new Dictionary <MethodKey, List <MemberInfo> >();

            for (int i = 0; i < methods.Length; ++i)
            {
                MethodInfo method      = methods[i];
                string     method_name = method.Name;

                MethodKey method_key = new MethodKey {
                    Name = method_name, IsStatic = method.IsStatic
                };
                List <MemberInfo> overloads;
                if (pending_methods.TryGetValue(method_key, out overloads))
                {
                    overloads.Add(method);
                    continue;
                }

                PropertyInfo prop = null;
                if (method_name.StartsWith("add_") || method_name.StartsWith("remove_") ||
                    method_name == "get_Item" || method_name == "set_Item")
                {
                    continue;
                }

                if (method_name.StartsWith("op_")) // 操作符
                {
                    if (support_op.ContainsKey(method_name))
                    {
                        if (overloads == null)
                        {
                            overloads = new List <MemberInfo>();
                            pending_methods.Add(method_key, overloads);
                        }
                        overloads.Add(method);
                    }
                    continue;
                }
                else if (method_name.StartsWith("get_") && prop_map.TryGetValue(method.Name.Substring(4), out prop)) // getter of property
                {
                    LuaAPI.xlua_pushasciistring(L, prop.Name);
                    translator.PushFixCSFunction(L, genPropGetter(type, prop, method.IsStatic));
                    LuaAPI.lua_rawset(L, method.IsStatic ? cls_getter : obj_getter);
                }
                else if (method_name.StartsWith("set_") && prop_map.TryGetValue(method.Name.Substring(4), out prop)) // setter of property
                {
                    LuaAPI.xlua_pushasciistring(L, prop.Name);
                    translator.PushFixCSFunction(L, genPropSetter(type, prop, method.IsStatic));
                    LuaAPI.lua_rawset(L, method.IsStatic ? cls_setter : obj_setter);
                }
                else if (method_name == ".ctor" && method.IsConstructor)
                {
                    continue;
                }
                else
                {
                    if (overloads == null)
                    {
                        overloads = new List <MemberInfo>();
                        pending_methods.Add(method_key, overloads);
                    }
                    overloads.Add(method);
                }
            }

            foreach (var kv in pending_methods)
            {
                if (kv.Key.Name.StartsWith("op_")) // 操作符
                {
                    LuaAPI.xlua_pushasciistring(L, support_op[kv.Key.Name]);
                    translator.PushFixCSFunction(L,
                                                 new LuaCSFunction(translator.methodWrapsCache._GenMethodWrap(type, kv.Key.Name, kv.Value.ToArray()).Call));
                    LuaAPI.lua_rawset(L, obj_meta);
                }
                else
                {
                    LuaAPI.xlua_pushasciistring(L, kv.Key.Name);
                    translator.PushFixCSFunction(L,
                                                 new LuaCSFunction(translator.methodWrapsCache._GenMethodWrap(type, kv.Key.Name, kv.Value.ToArray()).Call));
                    LuaAPI.lua_rawset(L, kv.Key.IsStatic ? cls_field : obj_field);
                }
            }

            IEnumerable <MethodInfo> extend_methods = GetExtensionMethodsOf(type);

            if (extend_methods != null)
            {
                foreach (var kv in (from extend_method in extend_methods select(MemberInfo) extend_method into member group member by member.Name))
                {
                    LuaAPI.xlua_pushasciistring(L, kv.Key);
                    translator.PushFixCSFunction(L, new LuaCSFunction(translator.methodWrapsCache._GenMethodWrap(type, kv.Key, kv).Call));
                    LuaAPI.lua_rawset(L, obj_field);
                }
            }

            // init obj metatable
            LuaAPI.xlua_pushasciistring(L, "__gc");
            LuaAPI.lua_pushstdcallcfunction(L, translator.metaFunctions.GcMeta);
            LuaAPI.lua_rawset(L, obj_meta);

            LuaAPI.xlua_pushasciistring(L, "__tostring");
            LuaAPI.lua_pushstdcallcfunction(L, translator.metaFunctions.ToStringMeta);
            LuaAPI.lua_rawset(L, obj_meta);

            LuaAPI.xlua_pushasciistring(L, "__index");
            LuaAPI.lua_pushvalue(L, obj_field);
            LuaAPI.lua_pushvalue(L, obj_getter);
            translator.PushFixCSFunction(L, item_getter);
            translator.PushAny(L, type.BaseType);
            LuaAPI.xlua_pushasciistring(L, Utils.LuaIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            LuaAPI.lua_pushnil(L);
            LuaAPI.gen_obj_indexer(L);
            //store in lua indexs function tables
            LuaAPI.xlua_pushasciistring(L, Utils.LuaIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            translator.Push(L, type);
            LuaAPI.lua_pushvalue(L, -3);
            LuaAPI.lua_rawset(L, -3);
            LuaAPI.lua_pop(L, 1);
            LuaAPI.lua_rawset(L, obj_meta); // set __index

            LuaAPI.xlua_pushasciistring(L, "__newindex");
            LuaAPI.lua_pushvalue(L, obj_setter);
            translator.PushFixCSFunction(L, item_setter);
            translator.Push(L, type.BaseType);
            LuaAPI.xlua_pushasciistring(L, Utils.LuaNewIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            LuaAPI.lua_pushnil(L);
            LuaAPI.gen_obj_newindexer(L);
            //store in lua newindexs function tables
            LuaAPI.xlua_pushasciistring(L, Utils.LuaNewIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            translator.Push(L, type);
            LuaAPI.lua_pushvalue(L, -3);
            LuaAPI.lua_rawset(L, -3);
            LuaAPI.lua_pop(L, 1);
            LuaAPI.lua_rawset(L, obj_meta); // set __newindex
            //finish init obj metatable

            LuaAPI.xlua_pushasciistring(L, "UnderlyingSystemType");
            translator.PushAny(L, type);
            LuaAPI.lua_rawset(L, cls_field);

            if (type != null && type.IsEnum)
            {
                LuaAPI.xlua_pushasciistring(L, "__CastFrom");
                translator.PushFixCSFunction(L, genEnumCastFrom(type));
                LuaAPI.lua_rawset(L, cls_field);
            }

            //set cls_field to namespace
            SetCSTable(L, type, cls_field);
            //finish set cls_field to namespace

            //init class meta
            LuaAPI.xlua_pushasciistring(L, "__index");
            LuaAPI.lua_pushvalue(L, cls_getter);
            LuaAPI.lua_pushvalue(L, cls_field);
            translator.Push(L, type.BaseType);
            LuaAPI.xlua_pushasciistring(L, Utils.LuaClassIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            LuaAPI.gen_cls_indexer(L);
            //store in lua indexs function tables
            LuaAPI.xlua_pushasciistring(L, Utils.LuaClassIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            translator.Push(L, type);
            LuaAPI.lua_pushvalue(L, -3);
            LuaAPI.lua_rawset(L, -3);
            LuaAPI.lua_pop(L, 1);
            LuaAPI.lua_rawset(L, cls_meta); // set __index

            LuaAPI.xlua_pushasciistring(L, "__newindex");
            LuaAPI.lua_pushvalue(L, cls_setter);
            translator.Push(L, type.BaseType);
            LuaAPI.xlua_pushasciistring(L, Utils.LuaClassNewIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            LuaAPI.gen_cls_newindexer(L);
            //store in lua newindexs function tables
            LuaAPI.xlua_pushasciistring(L, Utils.LuaClassNewIndexsFieldName);
            LuaAPI.lua_rawget(L, LuaIndexes.LUA_REGISTRYINDEX);
            translator.Push(L, type);
            LuaAPI.lua_pushvalue(L, -3);
            LuaAPI.lua_rawset(L, -3);
            LuaAPI.lua_pop(L, 1);
            LuaAPI.lua_rawset(L, cls_meta); // set __newindex

            LuaCSFunction constructor = translator.methodWrapsCache.GetConstructorWrap(type);

            if (constructor == null)
            {
                constructor = (RealStatePtr LL) =>
                {
                    return(LuaAPI.luaL_error(LL, "No constructor for " + type));
                };
            }

            LuaAPI.xlua_pushasciistring(L, "__call");
            translator.PushFixCSFunction(L, constructor);
            LuaAPI.lua_rawset(L, cls_meta);

            LuaAPI.lua_pushvalue(L, cls_meta);
            LuaAPI.lua_setmetatable(L, cls_field);

            LuaAPI.lua_pop(L, 8);

            System.Diagnostics.Debug.Assert(top_enter == LuaAPI.lua_gettop(L));
        }