fahhh

App/lua/lua.hpp

@@ -0,0 +1,73 @@
+#pragma once
+
+#include "lua.h"
+#include "lauxlib.h"
+#include "lualib.h"
+
+namespace RBX
+{
+	namespace Lua
+	{
+		extern const char* safe_lua_tostring(lua_State *L, int idx);
+		extern const char* throwable_lua_tostring(lua_State *L, int idx);
+		extern float lua_tofloat(lua_State *L, int idx);
+		extern void protect_metatable(lua_State* thread, int index);
+		inline void lua_pushstring(lua_State* thread, const std::string& s)
+		{
+			lua_pushlstring(thread, s.c_str(), s.size());
+		}
+
+        const char* lua_checkstring_secure(lua_State* L, int idx);
+
+        void lua_resetstack(lua_State* L, int idx);
+
+		// Pops items from the stack when it goes out of scope
+		class ScopedPopper
+		{
+			int popCount;
+			lua_State* const thread;
+		public:
+			ScopedPopper(lua_State* thread, int popCount)
+				:thread(thread),popCount(popCount) 
+			{}
+
+			ScopedPopper& operator +=(int popCount)
+			{
+				this->popCount += popCount;
+				return *this;
+			}
+
+			ScopedPopper& operator -=(int popCount)
+			{
+				this->popCount -= popCount;
+				return *this;
+			}
+
+			~ScopedPopper()
+			{
+				lua_pop(thread, popCount);
+			}
+		};
+
+		class ScopedState
+		{
+			lua_State* const thread;
+		public:
+			ScopedState()
+				:thread(luaL_newstate()) 
+			{}
+
+			~ScopedState()
+			{
+				lua_close(thread);
+			}
+
+			operator lua_State*()
+			{
+				return thread;
+			}
+		};
+
+	}
+
+}