struct psi_call_frame_argument *psi_call_frame_get_var_argument(struct psi_call_frame *frame, zend_long index);
struct psi_call_frame_symbol *psi_call_frame_fetch_symbol(struct psi_call_frame *frame, struct psi_decl_var *dvar);
void psi_call_frame_enter(struct psi_call_frame *frame);
struct psi_call_frame_argument *psi_call_frame_get_var_argument(struct psi_call_frame *frame, zend_long index);
struct psi_call_frame_symbol *psi_call_frame_fetch_symbol(struct psi_call_frame *frame, struct psi_decl_var *dvar);
void psi_call_frame_enter(struct psi_call_frame *frame);