improve lua memtracker

LuaMemTracker.cpp

 #include "LuaMemTracker.h"
+#include <lauxlib.h>
+
+LuaMemTracker::LuaMemTracker(size_t mem_limit)
+		: limit(mem_limit) {
+	lua_State* tmp_L = luaL_newstate();  // get default alloc
+	real_alloc = lua_getallocf(tmp_L, &real_ud);
+	lua_close(tmp_L);
 
-LuaMemTracker::LuaMemTracker(lua_Alloc alloc_func, void* ud, size_t mem_limit)
-	: real_alloc(alloc_func), real_ud(ud), limit(mem_limit) {
 #ifdef YGOPRO_LOG_LUA_MEMORY_SIZE
 	time_t now = time(nullptr);
 	char filename[64];

LuaMemTracker.h

@@ -12,7 +12,7 @@
 
 class LuaMemTracker {
 public:
-	LuaMemTracker(lua_Alloc real_alloc, void* real_ud, size_t mem_limit = 0);
+	LuaMemTracker(size_t mem_limit = 0);
 	~LuaMemTracker();
 	static void* AllocThunk(void* ud, void* ptr, size_t osize, size_t nsize);
 	void* Alloc(void* ptr, size_t osize, size_t nsize);

interpreter.cpp

@@ -15,14 +15,7 @@
 #include "interpreter.h"
 
 interpreter::interpreter(duel* pd): coroutines(256) {
-	lua_State* tmp_L = luaL_newstate();  // 只是为了拿默认 alloc
-	lua_Alloc raw_alloc;
-	void* raw_ud;
-	raw_alloc = lua_getallocf(tmp_L, &raw_ud);
-	lua_close(tmp_L);
-
-	mem_tracker = new LuaMemTracker(raw_alloc, raw_ud, YGOPRO_LUA_MEMORY_SIZE);
-
+	mem_tracker = new LuaMemTracker(YGOPRO_LUA_MEMORY_SIZE);
 	lua_state = lua_newstate(LuaMemTracker::AllocThunk, mem_tracker);
 	current_state = lua_state;
 	pduel = pd;