View Compilation Error

0_0_20805963_29459.cpp:39:5: error: 'list' does not name a type
     list<Node*> nodeQueue;
     ^
0_0_20805963_29459.cpp:40:5: error: 'list' does not name a type
     list<Node> entities;
     ^
0_0_20805963_29459.cpp: In member function 'void Automation::insert(const char*, int)':
0_0_20805963_29459.cpp:53:17: error: 'entities' was not declared in this scope
                 entities.emplace_back();
                 ^
0_0_20805963_29459.cpp: In member function 'void Automation::buildAutomation()':
0_0_20805963_29459.cpp:72:17: error: 'nodeQueue' was not declared in this scope
                 nodeQueue.push_back(child);
                 ^
0_0_20805963_29459.cpp:76:17: error: 'nodeQueue' was not declared in this scope
         while (!nodeQueue.empty())
                 ^