/*************************************************************************
* *
* YAP Prolog *
* Yap Prolog was developed at NCCUP - Universidade do Porto *
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
**************************************************************************
* File: callcount.yap *
* Last rev: 8/2/02 *
* mods: *
* comments: Some profiling predicates available in yap *
*************************************************************************/
:- system_module( '$_callcount', [call_count/3,
call_count_data/3,
call_count_reset/0], []).
:- use_system_module( '$_errors', ['$do_error'/2]).
call_count_data(Calls, Retries, Both) :-
'$call_count_info'(Calls, Retries, Both).
call_count_reset :-
'$call_count_reset'.
call_count(Calls, Retries, Both) :-
'$check_if_call_count_on'(Calls, CallsOn),
'$check_if_call_count_on'(Retries, RetriesOn),
'$check_if_call_count_on'(Both, BothOn),
'$call_count_set'(Calls, CallsOn, Retries, RetriesOn, Both, BothOn).
'$check_if_call_count_on'(Calls, 1) :- integer(Calls), !.
'$check_if_call_count_on'(Calls, 0) :- var(Calls), !.
'$check_if_call_count_on'(Calls, A) :-
'$do_error'(type_error(integer,Calls),call_count(A)).
