17     def eval(self, data):  member in StatementGroup
32     def eval(self, data):  member in IncludeNode
50     def eval(self, data):  member in ExportNode
58     def eval(self, data):  member in UnsetNode
72     def eval(self, data):  member in UnsetFlagNode
97     def eval(self, data):  member in DataNode
161     def eval(self, data):  member in MethodNode
193     def eval(self, data):  member in PythonMethodNode
211     def eval(self, data):  member in ExportFuncsNode
247     def eval(self, data):  member in AddTaskNode
255     def eval(self, data):  member in DelTaskNode
265     def eval(self, data):  member in BBHandlerNode
277     def eval(self, data):  member in InheritNode