luajit.cpp

chronolaw · chronolaw · commit b7016f797a03 · 2020-03-19T14:52:06.000+08:00
diff --git a/section4/luajit.cpp b/section4/luajit.cpp
@@ -22,19 +22,22 @@ using namespace luabridge;
 
 using namespace std;
 
-class LuaState final
+class MyLuaState final
 {
 public:
     using lua_state_t = decltype(luaL_newstate());
 private:
     lua_state_t L = nullptr;
 public:
-    LuaState()
+    MyLuaState()
     {
         L = luaL_newstate();
+        assert(L);
+
+        luaL_openlibs(L);
     }
 
-   ~LuaState()
+   ~MyLuaState()
     {
         lua_close(L);
     }
@@ -43,22 +46,22 @@ class LuaState final
     {
         return L;
     }
+public:
+    MyLuaState(const MyLuaState&) = delete;
+    MyLuaState& operator=(const MyLuaState&) = delete;
 };
 
 void case1()
 {
-    auto L = luaL_newstate();
-    assert(L);
-
-    luaL_openlibs(L);
+    MyLuaState L;
 
     auto package = getGlobal(L, "package");
 
     auto path = package["path"];
+    auto cpath = package["cpath"];
 
     cout << path << endl;
-
-    lua_close(L);
+    cout << cpath << endl;
 }
 
 int main()

Original file line number	Diff line number	Diff line change
`@@ -22,19 +22,22 @@ using namespace luabridge;`
`22`	`22`
`23`	`23`	`using namespace std;`
`24`	`24`
`25`		`-class LuaState final`
	`25`	`+class MyLuaState final`
`26`	`26`	`{`
`27`	`27`	`public:`
`28`	`28`	`using lua_state_t = decltype(luaL_newstate());`
`29`	`29`	`private:`
`30`	`30`	`lua_state_t L = nullptr;`
`31`	`31`	`public:`
`32`		`- LuaState()`
	`32`	`+ MyLuaState()`
`33`	`33`	`{`
`34`	`34`	`L = luaL_newstate();`
	`35`	`+ assert(L);`
	`36`	`+`
	`37`	`+ luaL_openlibs(L);`
`35`	`38`	`}`
`36`	`39`
`37`		`- ~LuaState()`
	`40`	`+ ~MyLuaState()`
`38`	`41`	`{`
`39`	`42`	`lua_close(L);`
`40`	`43`	`}`
`@@ -43,22 +46,22 @@ class LuaState final`
`43`	`46`	`{`
`44`	`47`	`return L;`
`45`	`48`	`}`
	`49`	`+public:`
	`50`	`+ MyLuaState(const MyLuaState&) = delete;`
	`51`	`+ MyLuaState& operator=(const MyLuaState&) = delete;`
`46`	`52`	`};`
`47`	`53`
`48`	`54`	`void case1()`
`49`	`55`	`{`
`50`		`- auto L = luaL_newstate();`
`51`		`- assert(L);`
`52`		`-`
`53`		`- luaL_openlibs(L);`
	`56`	`+ MyLuaState L;`
`54`	`57`
`55`	`58`	`auto package = getGlobal(L, "package");`
`56`	`59`
`57`	`60`	`auto path = package["path"];`
	`61`	`+ auto cpath = package["cpath"];`
`58`	`62`
`59`	`63`	`cout << path << endl;`
`60`		`-`
`61`		`- lua_close(L);`
	`64`	`+ cout << cpath << endl;`
`62`	`65`	`}`
`63`	`66`
`64`	`67`	`int main()`