From 6d7252047bfa1ebe107b2dddd82553df376be89d Mon Sep 17 00:00:00 2001
From: leelyn <crlyn@qq.com>
Date: Tue, 12 May 2020 02:44:04 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E8=B0=83=E7=94=A8lua?=
 =?UTF-8?q?=E5=85=A8=E5=B1=80=E5=87=BD=E6=95=B0=E5=B9=B6=E5=8F=AF=E4=BB=A5?=
 =?UTF-8?q?=E4=BC=A0=E4=B8=80=E4=B8=AA=E5=AD=97=E7=AC=A6=E4=B8=B2=E5=8F=82?=
 =?UTF-8?q?=E6=95=B0?=
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---
 .../lua-bindings/manual/CCLuaStack.cpp        | 34 +++++++++++++++++++
 .../lua-bindings/manual/CCLuaStack.h          |  7 ++++
 2 files changed, 41 insertions(+)

diff --git a/cocos/scripting/lua-bindings/manual/CCLuaStack.cpp b/cocos/scripting/lua-bindings/manual/CCLuaStack.cpp
index 1bb54a3..81c47a5 100644
--- a/cocos/scripting/lua-bindings/manual/CCLuaStack.cpp
+++ b/cocos/scripting/lua-bindings/manual/CCLuaStack.cpp
@@ -297,6 +297,40 @@ int LuaStack::executeGlobalFunction(const char* functionName)
     return executeFunction(0);
 }
 
+int LuaStack::executeGlobalFunctionWithString(const char* functionName, const char* data)
+{
+    lua_getglobal(_state, functionName);
+    
+    if (!lua_isfunction(_state, -1))
+    {
+        CCLOG("[LUA ERROR] name '%s' does not represent a Lua function", functionName);
+        lua_pop(_state, 1);
+        return 0;
+    }
+    
+    pushString(data);
+    int error = lua_pcall(_state, 1, 1, 0);
+    
+    if (error)
+    {
+        CCLOG("[LUA ERROR] %s", lua_tostring(_state, - 1));
+        lua_pop(_state, 1); // clean error message
+        return 0;
+    }
+    
+    // get return value
+    if (!lua_isnumber(_state, -1))
+    {
+        lua_pop(_state, 1);
+        return 0;
+    }
+
+    int ret = lua_tointeger(_state, -1);
+    lua_pop(_state, 1);
+    return ret;
+}
+
+
 void LuaStack::clean()
 {
     lua_settop(_state, 0);
diff --git a/cocos/scripting/lua-bindings/manual/CCLuaStack.h b/cocos/scripting/lua-bindings/manual/CCLuaStack.h
index 8a2d032..d694fc9 100644
--- a/cocos/scripting/lua-bindings/manual/CCLuaStack.h
+++ b/cocos/scripting/lua-bindings/manual/CCLuaStack.h
@@ -144,6 +144,13 @@ public:
      */
     virtual int executeGlobalFunction(const char* functionName);
     
+    /**
+     * 执行lua的全局函数,可以带一个字符串参数
+     * @参数1 functionName,全局函数名
+     * @参数2 data,utf8字符串
+     * @返回 int值告诉被调用者结果
+     */
+    virtual int executeGlobalFunctionWithString(const char* functionName, const char* data);
     /**
      * Set the stack top index 0.
      */