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-rw-r--r--src/Bindings/LuaState.cpp36
-rw-r--r--src/Bindings/LuaState.h3
2 files changed, 37 insertions, 2 deletions
diff --git a/src/Bindings/LuaState.cpp b/src/Bindings/LuaState.cpp
index 24e64d9b2..c6be7be3c 100644
--- a/src/Bindings/LuaState.cpp
+++ b/src/Bindings/LuaState.cpp
@@ -944,10 +944,42 @@ bool cLuaState::CheckParamFunction(int a_StartParam, int a_EndParam)
lua_Debug entry;
VERIFY(lua_getstack(m_LuaState, 0, &entry));
VERIFY(lua_getinfo (m_LuaState, "n", &entry));
- AString ErrMsg = Printf("Error in function '%s' parameter #%d. Function expected, got %s",
+ luaL_error(m_LuaState, "Error in function '%s' parameter #%d. Function expected, got %s",
+ (entry.name != NULL) ? entry.name : "?", i, GetTypeText(i).c_str()
+ );
+ return false;
+ } // for i - Param
+
+ // All params checked ok
+ return true;
+}
+
+
+
+
+
+bool cLuaState::CheckParamFunctionOrNil(int a_StartParam, int a_EndParam)
+{
+ ASSERT(IsValid());
+
+ if (a_EndParam < 0)
+ {
+ a_EndParam = a_StartParam;
+ }
+
+ for (int i = a_StartParam; i <= a_EndParam; i++)
+ {
+ if (lua_isfunction(m_LuaState, i) || lua_isnil(m_LuaState, i))
+ {
+ continue;
+ }
+ // Not the correct parameter
+ lua_Debug entry;
+ VERIFY(lua_getstack(m_LuaState, 0, &entry));
+ VERIFY(lua_getinfo (m_LuaState, "n", &entry));
+ luaL_error(m_LuaState, "Error in function '%s' parameter #%d. Function expected, got %s",
(entry.name != NULL) ? entry.name : "?", i, GetTypeText(i).c_str()
);
- LogStackTrace();
return false;
} // for i - Param
diff --git a/src/Bindings/LuaState.h b/src/Bindings/LuaState.h
index 1c9c99e69..b9bf10142 100644
--- a/src/Bindings/LuaState.h
+++ b/src/Bindings/LuaState.h
@@ -833,6 +833,9 @@ public:
/** Returns true if the specified parameters on the stack are functions; also logs warning if not */
bool CheckParamFunction(int a_StartParam, int a_EndParam = -1);
+ /** Returns true if the specified parameters on the stack are functions or nils; also logs warning if not */
+ bool CheckParamFunctionOrNil(int a_StartParam, int a_EndParam = -1);
+
/** Returns true if the specified parameter on the stack is nil (indicating an end-of-parameters) */
bool CheckParamEnd(int a_Param);