Added hack to make lua GC more aggressive when using OOP Matrix & Vector

Author: ccw808

src/lapi.c

@@ -551,7 +551,6 @@ LUA_API int lua_pushthread (lua_State *L) {
 }
 
 
-
 /*
 ** get functions (Lua -> stack)
 */
@@ -898,7 +897,7 @@ LUA_API int lua_load (lua_State *L, lua_Reader reader, void *data,
 }
 
 
-#ifdef WITH_STRING_DUMP
+#ifdef WITH_STRING_DUMP
 LUA_API int lua_dump (lua_State *L, lua_Writer writer, void *data) {
   int status;
   TValue *o;
@@ -1128,3 +1127,10 @@ LUA_API int luaX_is_apicheck_enabled()
     return 0;
 }
 #endif
+
+// MTA addition to tweak GC behaviour
+LUA_API void lua_addtotalbytes(lua_State *L, int n)
+{
+    global_State *g = G(L);
+    g->totalbytes += n;
+}

src/lua.h

@@ -186,7 +186,6 @@ LUA_API void  (lua_pushboolean) (lua_State *L, int b);
 LUA_API void  (lua_pushlightuserdata) (lua_State *L, void *p);
 LUA_API int   (lua_pushthread) (lua_State *L);
 
-
 /*
 ** get functions (Lua -> stack)
 */
@@ -357,6 +356,7 @@ LUA_API int lua_sethook (lua_State *L, lua_Hook func, int mask, int count);
 LUA_API lua_Hook lua_gethook (lua_State *L);
 LUA_API int lua_gethookmask (lua_State *L);
 LUA_API int lua_gethookcount (lua_State *L);
+LUA_API void lua_addtotalbytes(lua_State *L, int n);
 
 
 struct lua_Debug {