};
/* An agent_expr owning pointer. */
-typedef gdb::unique_ptr<agent_expr> agent_expr_up;
-
-/* Pointer to an agent_expr structure. */
-typedef struct agent_expr *agent_expr_p;
-
-/* Vector of pointers to agent expressions. */
-DEF_VEC_P (agent_expr_p);
+typedef std::unique_ptr<agent_expr> agent_expr_up;
/* The actual values of the various bytecode operations. */