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-rw-r--r--src/Bindings/LuaState.cpp52
1 files changed, 45 insertions, 7 deletions
diff --git a/src/Bindings/LuaState.cpp b/src/Bindings/LuaState.cpp
index ac5ce47e1..22f342467 100644
--- a/src/Bindings/LuaState.cpp
+++ b/src/Bindings/LuaState.cpp
@@ -1240,13 +1240,21 @@ int cLuaState::ReportFnCallErrors(lua_State * a_LuaState)
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cLuaState::cRef:
+cLuaState::cRef::cRef(void) :
+ m_LuaState(NULL),
+ m_Ref(LUA_REFNIL)
+{
+}
+
+
+
+
+
cLuaState::cRef::cRef(cLuaState & a_LuaState, int a_StackPos) :
- m_LuaState(a_LuaState)
+ m_LuaState(NULL),
+ m_Ref(LUA_REFNIL)
{
- ASSERT(m_LuaState.IsValid());
-
- lua_pushvalue(m_LuaState, a_StackPos); // Push a copy of the value at a_StackPos onto the stack
- m_Ref = luaL_ref(m_LuaState, LUA_REGISTRYINDEX);
+ RefStack(a_LuaState, a_StackPos);
}
@@ -1255,12 +1263,42 @@ cLuaState::cRef::cRef(cLuaState & a_LuaState, int a_StackPos) :
cLuaState::cRef::~cRef()
{
- ASSERT(m_LuaState.IsValid());
+ if (m_LuaState != NULL)
+ {
+ UnRef();
+ }
+}
+
+
+
+
+
+void cLuaState::cRef::RefStack(cLuaState & a_LuaState, int a_StackPos)
+{
+ ASSERT(a_LuaState.IsValid());
+ if (m_LuaState != NULL)
+ {
+ UnRef();
+ }
+ m_LuaState = &a_LuaState;
+ lua_pushvalue(a_LuaState, a_StackPos); // Push a copy of the value at a_StackPos onto the stack
+ m_Ref = luaL_ref(a_LuaState, LUA_REGISTRYINDEX);
+}
+
+
+
+
+
+void cLuaState::cRef::UnRef(void)
+{
+ ASSERT(m_LuaState->IsValid()); // The reference should be destroyed before destroying the LuaState
if (IsValid())
{
- luaL_unref(m_LuaState, LUA_REGISTRYINDEX, m_Ref);
+ luaL_unref(*m_LuaState, LUA_REGISTRYINDEX, m_Ref);
}
+ m_LuaState = NULL;
+ m_Ref = LUA_REFNIL;
}