80c28e1507
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1357 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
244 lines
3.4 KiB
Plaintext
244 lines
3.4 KiB
Plaintext
=================================================================
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Logtalk - Object oriented extension to Prolog
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Release 2.25.1
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Copyright (c) 1998-2005 Paulo Moura. All Rights Reserved.
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=================================================================
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% start by loading the necessary library and support example files (if not
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% already loaded):
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| ?- logtalk_load(library(all_loader)).
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...
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| ?- logtalk_load(roots(loader)).
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...
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| ?- logtalk_load(relations(loader)).
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...
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% now you are ready for loading the example:
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| ?- logtalk_load(bricks(loader)).
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...
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% create four bricks, all standing on the "ground" (use your imagination... ;-)
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| ?- brick::new(a, [position-(8, 1)]).
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yes
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| ?- brick::new(b, [position-(6, 1)]).
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yes
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| ?- brick::new(c, [position-(4, 1)]).
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yes
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| ?- brick::new(d, [position-(2, 1)]).
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yes
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% set up ascii stack monitor so we can watch the bricks moving
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| ?- after_event_registry::set_monitor(_, move(_,_), _, stack_monitor).
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yes
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% make the stack
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| ?- brick_stack::add_tuple([c,d]).
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|.c......
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|.d...b.a
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---------
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yes
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| ?- brick_stack::add_tuple([b,c]).
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|.b......
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|.c......
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|.d.....a
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---------
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yes
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| ?- brick_stack::add_tuple([a,b]).
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|.a
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|.b
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|.c
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|.d
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---
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yes
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% check results
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| ?- brick_stack::tuple(Tuple), write(Tuple), nl, fail.
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[c,d]
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[b,c]
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[a,b]
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no
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| ?- before_event_registry::monitors(Mb), after_event_registry::monitors(Ma).
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Ma = [brick_stack, stack_monitor]
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Mb = [brick_stack]
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yes
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% move all stack to new position by moving bottom brick; check results
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| ?- d::move(9, 1).
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|.a.......
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|.b.......
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|.c.......
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|........d
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----------
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|.a.......
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|.b.......
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|........c
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|........d
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----------
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|.a.......
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|........b
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|........c
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|........d
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----------
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|........a
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|........b
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|........c
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|........d
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----------
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yes
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| ?- a::position(Xa, Ya), b::position(Xb, Yb), c::position(Xc, Yc), d::position(Xd, Yd).
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Xa = 9,
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Xb = 9,
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Xc = 9,
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Xd = 9,
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Ya = 4,
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Yb = 3,
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Yc = 2,
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Yd = 1
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yes
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| ?- brick_stack::tuple(Tuple), write(Tuple), nl, fail.
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[c,d]
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[b,c]
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[a,b]
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no
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% break stack in half by moving b to the "ground"; check results
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| ?- b::move(3, 1).
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|........a
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|.........
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|........c
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|..b.....d
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----------
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|..a.....c
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|..b.....d
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----------
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yes
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| ?- a::position(Xa, Ya), b::position(Xb, Yb), c::position(Xc, Yc), d::position(Xd, Yd).
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Xa = 3,
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Xb = 3,
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Xc = 9,
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Xd = 9,
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Ya = 2,
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Yb = 1,
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Yc = 2,
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Yd = 1
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yes
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| ?- brick_stack::tuple(Tuple), write(Tuple), nl, fail.
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[c,d]
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[a,b]
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no
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% create new brick_stack tuple ; check results
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| ?- brick_stack::add_tuple([d, a]).
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|..d......
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|..a.....c
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|..b......
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----------
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|..c
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|..d
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|..a
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|..b
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----
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yes
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| ?- a::position(Xa, Ya), b::position(Xb, Yb), c::position(Xc, Yc), d::position(Xd, Yd).
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Xa = 3,
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Xb = 3,
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Xc = 3,
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Xd = 3,
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Ya = 2,
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Yb = 1,
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Yc = 4,
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Yd = 3
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yes
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| ?- brick_stack::tuple(Tuple), write(Tuple), nl, fail.
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[c,d]
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[a,b]
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[d,a]
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no
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% move all stack to new position by moving bottom brick; check results
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| ?- b::move(5, 1).
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|..c..
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|..d..
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|..a..
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|....b
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------
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|..c..
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|..d..
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|....a
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|....b
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------
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|..c..
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|....d
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|....a
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|....b
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------
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|....c
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|....d
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|....a
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|....b
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------
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yes
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| ?- a::position(Xa, Ya), b::position(Xb, Yb), c::position(Xc, Yc), d::position(Xd, Yd).
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Xa = 5,
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Xb = 5,
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Xc = 5,
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Xd = 5,
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Ya = 2,
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Yb = 1,
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Yc = 4,
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Yd = 3
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yes
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| ?- brick_stack::tuple(Tuple), write(Tuple), nl, fail.
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[c,d]
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[a,b]
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[d,a]
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no
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% clean up instances, tuples and monitors
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| ?- brick_stack::remove_all_tuples.
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yes
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| ?- after_event_registry::del_monitors(_, _, _, stack_monitor).
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yes
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| ?- brick::delete_all.
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yes
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