beautification.

This commit is contained in:
Vítor Santos Costa II 2010-04-20 23:13:11 +01:00
parent d957569e83
commit acee213eeb

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@ -55,10 +55,18 @@ attgoal_for_delays([G|AllAtts], V) -->
attgoal_for_delay(G, V),
attgoal_for_delays(AllAtts, V).
attgoal_for_delay(redo_dif(Done, X, Y), V) --> { var(Done), first_att(dif(X,Y), V) }, !, [prolog:dif(X,Y)].
attgoal_for_delay(redo_freeze(Done, V, Goal), V) --> { var(Done) }, !, [prolog:freeze(V,Goal)].
attgoal_for_delay(redo_eq(Done, X, Y, Goal), V) --> { var(Done), first_att(Goal, V) }, !, [prolog:when(X=Y,Goal)].
attgoal_for_delay(redo_ground(Done, X, Goal), V) --> { var(Done) }, !, [prolog:when(ground(X),Goal)].
attgoal_for_delay(redo_dif(Done, X, Y), V) -->
{ var(Done), first_att(dif(X,Y), V) }, !,
[prolog:dif(X,Y)].
attgoal_for_delay(redo_freeze(Done, V, Goal), V) -->
{ var(Done) }, !,
[prolog:freeze(V,Goal)].
attgoal_for_delay(redo_eq(Done, X, Y, Goal), V) -->
{ var(Done), first_att(Goal, V) }, !,
[prolog:when(X=Y,Goal)].
attgoal_for_delay(redo_ground(Done, X, Goal), V) -->
{ var(Done) }, !,
[prolog:when(ground(X),Goal)].
attgoal_for_delay(_, V) --> [].
%
@ -244,7 +252,7 @@ prepare_goal_for_when(G, Mod, Mod:G).
% Done is used to synchronise: when it is bound someone else did the
% goal and we can give up.
%
% $when/5 and $when_suspend succeds when there is need to suspend a goal
% when/5 and when_suspend succeds when there is need to suspend a goal
%
%
when(V, G, Done, LG0, LGF) :- var(V), !,