+LuaError::LuaError(lua_State *L, const std::string &s)
+{
+ m_s = "LuaError: ";
+ m_s += s + "\n";
+ m_s += script_get_backtrace(L);
+}
+
+std::string script_get_backtrace(lua_State *L)
+{
+ std::string s;
+ lua_getfield(L, LUA_GLOBALSINDEX, "debug");
+ if(lua_istable(L, -1)){
+ lua_getfield(L, -1, "traceback");
+ if(lua_isfunction(L, -1)){
+ lua_call(L, 0, 1);
+ if(lua_isstring(L, -1)){
+ s += lua_tostring(L, -1);
+ }
+ lua_pop(L, 1);
+ }
+ else{
+ lua_pop(L, 1);
+ }
+ }
+ lua_pop(L, 1);
+ return s;
+}
+