def _is_simple_node(self, n):
        return isinstance(n,(   c_ast.Constant, c_ast.ID, c_ast.ArrayRef,
                                c_ast.StructRef, c_ast.FuncCall))
Returns True for nodes that are "simple" - i.e. nodes that always
dataset/ETHPy150Open eliben/pycparser/pycparser/c_generator.py/CGenerator._is_simple_node