C++ 調(diào)用lua

基礎(chǔ)調(diào)用

再來溫習(xí)一下
myName = “beauty girl”

1. C++想要獲取myName的值，根據(jù)規(guī)則，它需要把myName壓入棧中，這樣lua就能看到；
2. lua從堆棧中獲取myName的值，此時棧頂為空；
3. lua拿著myName去全局表中查找與之對應(yīng)的字符串；
4. 全局表找到，并返回"beauty girl"；
5. lua把"beauty girl"壓入棧中；
6. C++從棧中獲取"beauty girl"

用代碼來實現(xiàn)

    //創(chuàng)建一個statelua_State *L = luaL_newstate();// 重置棧頂索引 為了確認讓棧頂?shù)乃饕脼? 置0之后，我們?nèi)霔５牡谝粋€元素的索引就是1lua_settop(L, 0);// 把myName放入棧中，然后lua去全局表中查找，找到對應(yīng)的字段，再放回棧中lua_getglobal(L, "myName");// 判斷棧頂?shù)闹档念愋褪欠駷镾tring, 返回非0值代表成功int isstr = lua_isstring(L, 1);//獲取棧頂?shù)闹?/span>const char* str = lua_tostring(L, 1);lua_close(L);

C++獲取Lua的table

helloTable = {name = “xxx”, sex = “man”}

和上面一樣，要獲取就先把helloTable放到棧頂，讓Lua知道C++要獲取這個值

    //創(chuàng)建一個statelua_State *L = luaL_newstate();// 重置棧頂索引 為了確認讓棧頂?shù)乃饕脼? 置0之后，我們?nèi)霔５牡谝粋€元素的索引就是1lua_settop(L, 0);//獲取helloTable的值 這個時候棧底 是 helloTablelua_getglobal(L, "helloTable");//我們想要獲取table中name的值，那么就把name壓入棧//這個時候棧中是 name，helloTable，其中name是棧頂lua_pushstring(L, "name");//lua api提供了一個獲取table的函數(shù) lua_gettable//該函數(shù)會從棧頂取得一個值，然后根據(jù)這個值去table中尋找對應(yīng)的值，最后把找到的值放到棧頂 第二個參數(shù)是指table變量所在棧中的位置lua_gettable(L, -2); // -1永遠是棧頂，那么helloTable就是-2，這里也可以用1//lua_gettable 會把值放到 棧頂 const char* sName = lua_tostring(pL, -1);

C++調(diào)用Lua函數(shù)

function helloAdd(num1, num2)return (num1 + num2)
end

這里有個新的函數(shù) lua_call

第一個參數(shù)表示函數(shù)的參數(shù)個數(shù)，第二個參數(shù)表示函數(shù)返回值個數(shù)

Lua會先去堆棧取出參數(shù)，然后再取出函數(shù)對象，開始執(zhí)行函數(shù)

    //創(chuàng)建一個statelua_State *L = luaL_newstate();// 重置棧頂索引 為了確認讓棧頂?shù)乃饕脼? 置0之后，我們?nèi)霔５牡谝粋€元素的索引就是1lua_settop(L, 0);//把helloAdd函數(shù)對象放到棧中lua_getglobal(L, "helloAdd");//把函數(shù)所需要的參數(shù)入棧 lua_pushnumber(L, 10);lua_pushnumber(L, 5);//調(diào)用lua_calllua_call(L, 2, 1);int iResult = lua_tonumber(L, -1);

C++調(diào)用Lua table的函數(shù)

lua中table有兩種函數(shù)

mytable={}
function mytable.StaticFunc()print("mytable.StaticFunc called.")
end
function mytable:Func()print("mytable:Func self:", self)
end

其中StaticFunc可以理解成table的靜態(tài)函數(shù)，Func為table的成員函數(shù)

 // 調(diào)用mytable表的靜態(tài)函數(shù)
lua_getglobal(L, "mytable"); // 將名為mytable的全局table變量的值壓棧
lua_pushstring(L, "StaticFunc"); // 將函數(shù)名為StaticFunc壓棧
lua_gettable(L, -2); // 從索引為-2處的表中，讀取key(在棧頂處)為StaticFunc的函數(shù)名  讀取成功后，將key出棧，并將讀取到的函數(shù)名入棧
lua_call(L, 0, 0); // 執(zhí)行完后將StaticFunc彈出棧  注: 第一個0表示參數(shù)個數(shù)為0，第二個0表示無返回值// 調(diào)用mytable表的成員函數(shù)  采用新方法獲取函數(shù)名
lua_getfield(L, -1, "Func");// 從索引為-1處的表中，讀取key為Func的函數(shù)名  成功后將讀取到的函數(shù)名入棧
lua_pushvalue(L, -2); // 將索引為-2處的表復(fù)制一份并壓入棧頂
lua_call(L, 1, 0); // 執(zhí)行完后將Func彈出棧  注: 1表示參數(shù)個數(shù)，即self指針，為當(dāng)前table，第二個0表示無返回值

唯一不同的是lua_call的時候，需要注意第二個的值，成員函數(shù)默認需要傳遞self。

這里獲取的時候，用到了函數(shù)lua_getfield

函數(shù)原型如下

void lua_getfield (lua_State *L, int index, const char *k);

Pushes onto the stack the value t[k], where t is the value at the given valid index. As in Lua, this function may trigger a metamethod for the “index” event

大概意思，將t[k]壓入堆棧，t由參數(shù)index指定在棧中的位置

Lua 調(diào)用C++

Lua調(diào)用C++ 函數(shù)

大概的步驟如下：

1. 將C++的函數(shù)包裝成Lua環(huán)境認可的Lua_CFunction格式
2. 將包裝好的函數(shù)注冊到Lua環(huán)境中
3. 像使用普通Lua函數(shù)那樣使用注冊函數(shù)

簡單的C++函數(shù)

int add(int a,int b)
{return a+b;
}

包裝C++函數(shù)

int add(lua_state *L)
{int a = lua_tonumber(-1);int b = lua_tonumber(-2);int sum = a+b;// 將返回值壓入棧中lua_pushnumber(L,sum);// 返回返回值個數(shù)return 1;
}

1. Lua腳本里會調(diào)用add(lua_state *L)
2. 調(diào)用add(lua_state *L)函數(shù)的時候，會反過來進行之前的C++調(diào)用lua
3. Lua調(diào)用add(lua_state *L)函數(shù)之后，有一個返回值，需要壓入棧中
4. 最后return表示有多少個返回值，Lua支持多個返回值

最關(guān)鍵的一步，需要注冊C++的函數(shù)，Lua才能調(diào)用

lua_register(L, "add", add);

Lua調(diào)用C++類

這里有兩種方式，一個是用luaL_newlib方式

luaL_newlib方式

大概步驟如下：

1. 新建創(chuàng)建對象函數(shù)，調(diào)用lua_newuserdata，創(chuàng)建一個對象指針，指向new出來的新的對象。
2. 新建成員方法，調(diào)用lua_touserdata，得到從lua中傳入的對象指針，調(diào)用成員方法。
3. 調(diào)用luaL_newlib，將需要封裝的C++函數(shù)放入到一個lua表中壓入棧里。
4. 將自定義模塊，注冊到Lua環(huán)境中。
5. 在lua中，會首先調(diào)用創(chuàng)建對象函數(shù)，獲得Student對象指針。通過Student對象指針，調(diào)用成員方法

Student.h

#pragma once#include <iostream>
#include <string>
using namespace std;class Student
{
public://構(gòu)造/析構(gòu)函數(shù)Student();~Student();//get/set函數(shù)string get_name();void set_name(string name);unsigned get_age();void set_age(unsigned age);//打印函數(shù)void print();private:string _name;unsigned _age;
};

Student.cpp

#include "Student.h"
using namespace std;Student::Student():_name("Empty"),_age(0)
{cout << "Student Constructor" << endl;
}Student::~Student()
{cout << "Student Destructor" << endl;
}string Student::get_name()
{return _name;
}void Student::set_name(string name)
{_name = name;
}unsigned Student::get_age()
{return _age;
}void Student::set_age(unsigned age)
{_age = age;
}void Student::print()
{cout << "name :" << _name << " age : " << _age << endl;
}

StudentRegFunc.h

#pragma once#include "Student.h"
extern "C" {
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
}//------定義相關(guān)的全局函數(shù)------
//創(chuàng)建對象
int lua_create_new_student(lua_State* L);//get/set函數(shù)
int lua_get_name(lua_State* L);
int lua_set_name(lua_State* L);
int lua_get_age(lua_State* L);
int lua_set_age(lua_State* L);//打印函數(shù)
int lua_print(lua_State* L);//------注冊全局函數(shù)供Lua使用------
static const luaL_Reg lua_reg_student_funcs[] = {{ "create", lua_create_new_student },{ "get_name", lua_get_name },{ "set_name", lua_set_name },{ "get_age", lua_get_age },{ "set_age", lua_set_age },{ "print", lua_print },{ NULL, NULL },
};int luaopen_student_libs(lua_State* L); 

StudentRegFunc.cpp

#include "StudentRegFunc.h"int lua_create_new_student(lua_State* L)
{//創(chuàng)建一個對象指針放到stack里，返回給Lua中使用Student** s = (Student**)lua_newuserdata(L, sizeof(Student*));*s = new Student();return 1;
}int lua_get_name(lua_State* L)
{//得到第一個傳入的對象參數(shù)（在stack最底部）Student** s = (Student**)lua_touserdata(L, 1);luaL_argcheck(L, s != NULL, 1, "invalid user data");//清空stacklua_settop(L, 0);//將數(shù)據(jù)放入stack中，供Lua使用lua_pushstring(L, (*s)->get_name().c_str());return 1;
}int lua_set_name(lua_State* L)
{//得到第一個傳入的對象參數(shù)Student** s = (Student**)lua_touserdata(L, 1);luaL_argcheck(L, s != NULL, 1, "invalid user data");luaL_checktype(L, -1, LUA_TSTRING);std::string name = lua_tostring(L, -1);(*s)->set_name(name);return 0;
}int lua_get_age(lua_State* L)
{Student** s = (Student**)lua_touserdata(L, 1);luaL_argcheck(L, s != NULL, 1, "invalid user data");lua_pushinteger(L, (*s)->get_age());return 1;
}int lua_set_age(lua_State* L)
{Student** s = (Student**)lua_touserdata(L, 1);luaL_argcheck(L, s != NULL, 1, "invalid user data");luaL_checktype(L, -1, LUA_TNUMBER);(*s)->set_age((unsigned)lua_tointeger(L, -1));return 0;
}int lua_print(lua_State* L)
{Student** s = (Student**)lua_touserdata(L, 1);luaL_argcheck(L, s != NULL, 1, "invalid user data");(*s)->print();return 0;
}int luaopen_student_libs(lua_State* L)
{// 創(chuàng)建一張新的表，并把列表的函數(shù)注冊進去luaL_newlib(L, lua_reg_student_funcs);return 1;
}

main.cpp

#include <iostream>
using namespace std;extern "C" {
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
}#include "Student.h"
#include "StudentRegFunc.h"static const luaL_Reg lua_reg_libs[] = {{ "base", luaopen_base }, //系統(tǒng)模塊{ "Student", luaopen_student_libs}, //模塊名字Student，注冊函數(shù)luaopen_student_libs{ NULL, NULL }
};int main(int argc, char* argv[])
{if (lua_State* L = luaL_newstate()) {//注冊讓lua使用的庫const luaL_Reg* lua_reg = lua_reg_libs;for (; lua_reg->func; ++lua_reg) {luaL_requiref(L, lua_reg->name, lua_reg->func, 1);lua_pop(L, 1);}//加載腳本，如果出錯，則打印錯誤if (luaL_dofile(L, "lua4.lua")) {cout << lua_tostring(L, -1) << endl;}lua_close(L);}else {cout << "luaL_newstate error !" << endl;}system("pause");return 0;
}

tolua

第二種方式是tolua，也就是tolua++
在cocos2dx中，基本都是用這種方式

//.h
class CMD_Data : public cocos2d::Ref
{
public:CMD_Data(unsigned short nlength);virtual ~CMD_Data();
public:void setMainCmdAndSubCmd(const unsigned short mainCmd, const unsigned short subCmd);unsigned short getMainCmd();unsigned short getSubCmd();
public:static CMD_Data *create(const int nLenth);//...
}//.cppvoid CMD_Data::setMainCmdAndSubCmd(const unsigned short mainCmd, const unsigned short  subCmd)
{m_wMainCmd = mainCmd;m_wSubCmd = subCmd;
}CMD_Data * CMD_Data::create(const int nLenth)
{CMD_Data * pData = new(std::nothrow) CMD_Data(nLenth);if (pData){//pData->autorelease();return pData;}CC_SAFE_DELETE(pData);return nullptr;
}unsigned short CMD_Data::getMainCmd()
{return m_wMainCmd;
}unsigned short CMD_Data::getSubCmd()
{return m_wSubCmd;
}

注冊
.h

#pragma once
#include "base/ccConfig.h"
#ifdef __cplusplus
extern "C" {
#endif
#include "tolua++.h"
#ifdef __cplusplus
}
#endif
int register_all_Cmd_Data();

.cpp

int register_all_Cmd_Data()
{auto engine = LuaEngine::getInstance();ScriptEngineManager::getInstance()->setScriptEngine(engine);lua_State* tolua_S = engine->getLuaStack()->getLuaState();tolua_usertype(tolua_S, "CMD_Data");tolua_cclass(tolua_S, "CMD_Data", "CMD_Data", "cc.Node", nullptr);tolua_beginmodule(tolua_S, "CMD_Data");tolua_function(tolua_S, "create", tolua_Cmd_Data_create);tolua_function(tolua_S, "setCmdInfo", tolua_Cmd_Data_setMainCmdAndSubCmd);tolua_function(tolua_S, "getMainCmd", tolua_Cmd_Data_getMainCmd);tolua_function(tolua_S, "getSubCmd", tolua_Cmd_Data_getSubCmd);tolua_function(tolua_S, "getBufferLength", tolua_Cmd_Data_getBufferLength);tolua_function(tolua_S, "getCurIndex", tolua_Cmd_Data_getCurIndex);tolua_function(tolua_S, "setSendMessageLength", tolua_Cmd_Data_setSendMessageLength);tolua_endmodule(tolua_S);std::string typeName = typeid(CMD_Data).name();g_luaType[typeName] = "CMD_Data";g_typeCast["CMD_Data"] = "CMD_Data";return 1;
}int tolua_Cmd_Data_create(lua_State* tolua_S)
{int argc = lua_gettop(tolua_S);CMD_Data *data = nullptr;if (argc == 2){int nLength = lua_tointeger(tolua_S, 2);data = CMD_Data::create(nLength);}else{CCLOG("error CMD_Data create");}int nID = (data) ? data->_ID : -1;int *pLuaID = (data) ? &data->_luaID : nullptr;toluafix_pushusertype_ccobject(tolua_S, nID, pLuaID, (void*)data, "Cmd_Data");return 1;
}int tolua_Cmd_Data_setMainCmdAndSubCmd(lua_State* tolua_S)
{CMD_Data *cobj = (CMD_Data*)tolua_tousertype(tolua_S, 1, nullptr);if (cobj){int argc = lua_gettop(tolua_S);if (argc == 3){unsigned short mainCmd = (unsigned short)lua_tointeger(tolua_S, 2);unsigned short subCmd = (unsigned short)lua_tointeger(tolua_S, 3);cobj->setMainCmdAndSubCmd(mainCmd, subCmd);}}return 0;
}int tolua_Cmd_Data_getMainCmd(lua_State* tolua_S)
{CMD_Data *cobj = (CMD_Data*)tolua_tousertype(tolua_S, 1, nullptr);if (cobj){lua_pushinteger(tolua_S, cobj->getMainCmd());return 1;}return 0;
}int tolua_Cmd_Data_getSubCmd(lua_State* tolua_S)
{CMD_Data *cobj = (CMD_Data*)tolua_tousertype(tolua_S, 1, nullptr);if (cobj){lua_pushinteger(tolua_S, cobj->getSubCmd());return 1;}return 0;
}

cocos2dx 生成工具

方便的是，cocos2dx提供了一套轉(zhuǎn)換的工具。

在cocos2dx引擎目錄下有個tools的目錄，里面有tolua的文件夾。

它里面的大概結(jié)構(gòu)如下

可以看得出來，cocos2dx本身的類都是用這個方法去實現(xiàn)的。

隨便打開一個ini文件

[cocos2dx_ui]
# the prefix to be added to the generated functions. You might or might not use this in your own
# templates
prefix = cocos2dx_ui# create a target namespace (in javascript, this would create some code like the equiv. to `ns = ns || {}`)
# all classes will be embedded in that namespace
target_namespace = ccui# the native namespace in which this module locates, this parameter is used for avoid conflict of the same class name in different modules, as "cocos2d::Label" <-> "cocos2d::ui::Label".
cpp_namespace = cocos2d::uiandroid_headers = -I%(androidndkdir)s/platforms/android-14/arch-arm/usr/include -I%(androidndkdir)s/sources/cxx-stl/gnu-libstdc++/%(gnu_libstdc_version)s/libs/armeabi-v7a/include -I%(androidndkdir)s/sources/cxx-stl/gnu-libstdc++/%(gnu_libstdc_version)s/include
android_flags = -D_SIZE_T_DEFINED_ clang_headers = -I%(clangllvmdir)s/%(clang_lib_version)s/clang/%(clang_version)s/include
clang_flags = -nostdinc -x c++ -std=c++11 -U __SSE__cocos_headers = -I%(cocosdir)s/cocos -I%(cocosdir)s/cocos/editor-support -I%(cocosdir)s/cocos/platform/androidcocos_flags = -DANDROIDcxxgenerator_headers = # extra arguments for clang
extra_arguments = %(android_headers)s %(clang_headers)s %(cxxgenerator_headers)s %(cocos_headers)s %(android_flags)s %(clang_flags)s %(cocos_flags)s %(extra_flags)s # what headers to parse
headers = %(cocosdir)s/cocos/ui/CocosGUI.h# what classes to produce code for. You can use regular expressions here. When testing the regular
# expression, it will be enclosed in "^$", like this: "^Menu*$".
classes = Helper Widget Layout Button CheckBox ImageView Text TextAtlas TextBMFont LoadingBar Slider TextField ScrollView ListView PageView LayoutParameter LinearLayoutParameter RelativeLayoutParameter Rich.* HBox VBox RelativeBox Scale9Sprite EditBox LayoutComponent AbstractCheckButton RadioButton RadioButtonGroup TabControl TabHeader# what should we skip? in the format ClassName::[function function]
# ClassName is a regular expression, but will be used like this: "^ClassName$" functions are also
# regular expressions, they will not be surrounded by "^$". If you want to skip a whole class, just
# add a single "*" as functions. See bellow for several examples. A special class name is "*", which
# will apply to all class names. This is a convenience wildcard to be able to skip similar named
# functions from all classes.skip = *::[^visit$ copyWith.* onEnter.* onExit.* ^description$ getObjectType .*HSV onTouch.* onAcc.* onKey.* onRegisterTouchListener ccTouch.* (g|s)etDelegate],Widget::[addTouchEventListener addClickEventListener addCCSEventListener],LayoutParameter::[(s|g)etMargin],RichText::[setTagDescription removeTagDescription setOpenUrlHandler]rename_functions = rename_classes =# for all class names, should we remove something when registering in the target VM?
remove_prefix = # classes for which there will be no "parent" lookup
classes_have_no_parents = Helper# base classes which will be skipped when their sub-classes found them.
base_classes_to_skip =# classes that create no constructor
# Set is special and we will use a hand-written constructor
abstract_classes = Helper AbstractCheckButton# Determining whether to use script object(js object) to control the lifecycle of native(cpp) object or the other way around. Supported values are 'yes' or 'no'.
script_control_cpp = no

prefix : 輸出的前綴,會連接到tolua類型的函數(shù)名之前,例如 int cocos2dx_ui_xxx(lua_State* tolua_S);

target_namespace : 所有生成的類都屬于這個表下 例如這個里面的 ccui.xxx

cpp_namespace : C++中的命名空間，自動生成的代碼中會加上這個命名空間

android_headers : 這是安卓編譯的一些指令,不需要修改,照抄就行

android_flags : 這是安卓編譯的一些指令,不需要修改,照抄就行

clang_headers : 這是Clang的編譯指令,不需要修改,照抄就行

cocos_flags : 這是Clang的編譯指令,不需要修改,照抄就行

cocos_headers: cocos的頭文件搜索目錄

cocos_flags:照抄

cxxgenerator_headers : 不管

extra_arguments : 所有文件的搜索路徑

headers:這是需要解析的頭文件 會從這個文件中識別所有include的頭文件,并解析其中的類, 可以填多個文件 比如自己的文件的需要引用的頭文件

classes:需要生成哪些類的接口,這里支持正則表達式

skip:跳過哪些類和函數(shù),支持正則表達式,可以借鑒cocos的配置文件

rename_functions:重命名函數(shù)

rename_classes:重命名類

abstract_classes:哪些類沒有創(chuàng)建構(gòu)造函數(shù),需要手動重寫構(gòu)造函數(shù)

script_control_cpp:不管，一般都是no

可以生成自己的一個配置文件。

然后看下同樣目錄下的genbindings.py文件

需要將自己的ini文件填入進去。

然后運行這個python文件，便會自動生成。

一般如下

手寫調(diào)用

有人會說，為啥cocos里面還有類似

首先，工具腳本不是萬能的，有些無法導(dǎo)出，例如Lambda表達式，例如某些回調(diào)函數(shù)。

void GameNetWorkManager::resumSocketByIp(const int socketMark, const std::string &serverIp, const int serverPort, const std::function<void(bool)> &callback)
{callback(m_socketManage->resumSocket(socketMark,serverIp,serverPort));
}

比如這個方法。

無法生成，我們就需要手寫

int tolua_GameNetWorkManager_resumSocket(lua_State* tolua_S)
{int argc = 0;GameNetWorkManager* cobj = nullptr;bool ok = true;#if COCOS2D_DEBUG >= 1tolua_Error tolua_err;
#endif#if COCOS2D_DEBUG >= 1if (!tolua_isusertype(tolua_S, 1, "GameNetWorkManager", 0, &tolua_err)) goto tolua_lerror;
#endifcobj = (GameNetWorkManager*)tolua_tousertype(tolua_S, 1, 0);#if COCOS2D_DEBUG >= 1if (!cobj){tolua_error(tolua_S, "invalid 'cobj' in function 'tolua_GameNetWorkManager_resumSocket'", nullptr);return 0;}
#endifargc = lua_gettop(tolua_S) - 1;if (argc == 2){int arg1;ok &= luaval_to_int32(tolua_S, 2, (int *)&arg1, "GameNetWorkManager:resumSocket");
#if COCOS2D_DEBUG >= 1if (!toluafix_isfunction(tolua_S, 3, "LUA_FUNCTION", 0, &tolua_err)){goto tolua_lerror;}
#endifint handler = (toluafix_ref_function(tolua_S, 3, 0));if (!ok){tolua_error(tolua_S, "invalid arguments in function 'tolua_GameNetWorkManager_resumSocket'", nullptr);return 0;}cobj->resumSocket(arg1,[=](bool resum){LuaStack* stack = LuaEngine::getInstance()->getLuaStack();stack->pushBoolean(resum);stack->executeFunctionByHandler(handler, 1);stack->clean();return 0;});ScriptHandlerMgr::getInstance()->addCustomHandler((void*)cobj, handler);lua_settop(tolua_S, 1);return 1;}else if (argc == 4){int arg1;std::string arg2;int arg3;ok &= luaval_to_int32(tolua_S, 2, (int *)&arg1, "GameNetWorkManager:resumSocket");ok &= luaval_to_std_string(tolua_S, 3, &arg2, "GameNetWorkManager:resumSocket");ok &= luaval_to_int32(tolua_S, 4, (int *)&arg3, "GameNetWorkManager:resumSocket");
#if COCOS2D_DEBUG >= 1if (!toluafix_isfunction(tolua_S, 5, "LUA_FUNCTION", 0, &tolua_err)){goto tolua_lerror;}
#endifint handler = (toluafix_ref_function(tolua_S, 5, 0));if (!ok){tolua_error(tolua_S, "invalid arguments in function 'tolua_GameNetWorkManager_resumSocket'", nullptr);return 0;}cobj->resumSocketByIp(arg1, arg2, arg3, [=](bool resum){LuaStack* stack = LuaEngine::getInstance()->getLuaStack();stack->pushBoolean(resum);stack->executeFunctionByHandler(handler, 1);stack->clean();return 0;});ScriptHandlerMgr::getInstance()->addCustomHandler((void*)cobj, handler);lua_settop(tolua_S, 1);return 1;}return 0;
#if COCOS2D_DEBUG >= 1tolua_lerror:tolua_error(tolua_S, "#ferror in function 'tolua_GameNetWorkManager_resumSocket'.", &tolua_err);
#endifreturn 0;
}

最后

如果需要深入了解Lua，強烈建議閱讀《lua設(shè)計與實現(xiàn)》。