-bool psi_cpp_tokiter_ins_cur(struct psi_cpp *cpp, struct psi_token *tok);
-bool psi_cpp_tokiter_ins_range(struct psi_cpp *cpp, size_t offset,
+bool psi_cpp_tokiter_add(struct psi_cpp *cpp, struct psi_token *tok);
+bool psi_cpp_tokiter_add_cur(struct psi_cpp *cpp);
+bool psi_cpp_tokiter_add_range(struct psi_cpp *cpp,
+ size_t num_eles, void **eles);
+bool psi_cpp_tokiter_ins_range(struct psi_cpp *cpp,