/*
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* Tencent is pleased to support the open source community by making xLua available.
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* Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved.
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* Licensed under the MIT License (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
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* http://opensource.org/licenses/MIT
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* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
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*/
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#if USE_UNI_LUA
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using LuaAPI = UniLua.Lua;
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using RealStatePtr = UniLua.ILuaState;
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using LuaCSFunction = UniLua.CSharpFunctionDelegate;
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#else
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using LuaAPI = XLua.LuaDLL.Lua;
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using RealStatePtr = System.IntPtr;
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using LuaCSFunction = XLua.LuaDLL.lua_CSFunction;
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#endif
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using System;
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using System.Collections.Generic;
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namespace XLua
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{
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public partial class LuaFunction : LuaBase
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{
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public LuaFunction(int reference, LuaEnv luaenv) : base(reference, luaenv)
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{
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}
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//Action和Func是方便使用的无gc api，如果需要用到out，ref参数，建议使用delegate
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//如果需要其它个数的Action和Func， 这个类声明为partial，可以自己加
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public void Action<T>(T a)
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{
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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var L = luaEnv.L;
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var translator = luaEnv.translator;
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int oldTop = LuaAPI.lua_gettop(L);
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int errFunc = LuaAPI.load_error_func(L, luaEnv.errorFuncRef);
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LuaAPI.lua_getref(L, luaReference);
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translator.PushByType(L, a);
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int error = LuaAPI.lua_pcall(L, 1, 0, errFunc);
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if (error != 0)
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luaEnv.ThrowExceptionFromError(oldTop);
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LuaAPI.lua_settop(L, oldTop);
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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public TResult Func<T, TResult>(T a)
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{
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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var L = luaEnv.L;
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var translator = luaEnv.translator;
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int oldTop = LuaAPI.lua_gettop(L);
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int errFunc = LuaAPI.load_error_func(L, luaEnv.errorFuncRef);
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LuaAPI.lua_getref(L, luaReference);
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translator.PushByType(L, a);
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int error = LuaAPI.lua_pcall(L, 1, 1, errFunc);
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if (error != 0)
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luaEnv.ThrowExceptionFromError(oldTop);
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TResult ret;
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try
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{
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translator.Get(L, -1, out ret);
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}
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catch (Exception e)
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{
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throw e;
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}
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finally
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{
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LuaAPI.lua_settop(L, oldTop);
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}
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return ret;
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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public void Action<T1, T2>(T1 a1, T2 a2)
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{
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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var L = luaEnv.L;
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var translator = luaEnv.translator;
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int oldTop = LuaAPI.lua_gettop(L);
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int errFunc = LuaAPI.load_error_func(L, luaEnv.errorFuncRef);
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LuaAPI.lua_getref(L, luaReference);
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translator.PushByType(L, a1);
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translator.PushByType(L, a2);
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int error = LuaAPI.lua_pcall(L, 2, 0, errFunc);
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if (error != 0)
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luaEnv.ThrowExceptionFromError(oldTop);
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LuaAPI.lua_settop(L, oldTop);
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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public TResult Func<T1, T2, TResult>(T1 a1, T2 a2)
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{
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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var L = luaEnv.L;
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var translator = luaEnv.translator;
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int oldTop = LuaAPI.lua_gettop(L);
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int errFunc = LuaAPI.load_error_func(L, luaEnv.errorFuncRef);
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LuaAPI.lua_getref(L, luaReference);
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translator.PushByType(L, a1);
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translator.PushByType(L, a2);
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int error = LuaAPI.lua_pcall(L, 2, 1, errFunc);
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if (error != 0)
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luaEnv.ThrowExceptionFromError(oldTop);
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TResult ret;
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try
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{
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translator.Get(L, -1, out ret);
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}
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catch (Exception e)
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{
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throw e;
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}
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finally
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{
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LuaAPI.lua_settop(L, oldTop);
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}
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return ret;
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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//deprecated
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public object[] Call(object[] args, Type[] returnTypes)
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{
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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int nArgs = 0;
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var L = luaEnv.L;
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var translator = luaEnv.translator;
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int oldTop = LuaAPI.lua_gettop(L);
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int errFunc = LuaAPI.load_error_func(L, luaEnv.errorFuncRef);
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LuaAPI.lua_getref(L, luaReference);
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if (args != null)
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{
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nArgs = args.Length;
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for (int i = 0; i < args.Length; i++)
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{
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translator.PushAny(L, args[i]);
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}
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}
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int error = LuaAPI.lua_pcall(L, nArgs, -1, errFunc);
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if (error != 0)
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luaEnv.ThrowExceptionFromError(oldTop);
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LuaAPI.lua_remove(L, errFunc);
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if (returnTypes != null)
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return translator.popValues(L, oldTop, returnTypes);
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else
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return translator.popValues(L, oldTop);
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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//deprecated
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public object[] Call(params object[] args)
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{
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return Call(args, null);
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}
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public T Cast<T>()
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{
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if (!typeof(T).IsSubclassOf(typeof(Delegate)))
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{
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throw new InvalidOperationException(typeof(T).Name + " is not a delegate type");
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}
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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var L = luaEnv.L;
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var translator = luaEnv.translator;
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push(L);
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T ret = (T)translator.GetObject(L, -1, typeof(T));
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LuaAPI.lua_pop(luaEnv.L, 1);
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return ret;
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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public void SetEnv(LuaTable env)
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{
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#if THREAD_SAFE || HOTFIX_ENABLE
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lock (luaEnv.luaEnvLock)
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{
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#endif
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var L = luaEnv.L;
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int oldTop = LuaAPI.lua_gettop(L);
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push(L);
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env.push(L);
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LuaAPI.lua_setfenv(L, -2);
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LuaAPI.lua_settop(L, oldTop);
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#if THREAD_SAFE || HOTFIX_ENABLE
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}
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#endif
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}
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internal override void push(RealStatePtr L)
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{
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LuaAPI.lua_getref(L, luaReference);
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}
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public override string ToString()
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{
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return "function :" + luaReference;
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}
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}
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}
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