43c7e01712
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@731 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
105 lines
1.5 KiB
Plaintext
105 lines
1.5 KiB
Plaintext
=================================================================
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Logtalk - Object oriented extension to Prolog
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Release 2.14.5
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Copyright (c) 1998-2002 Paulo Moura. All Rights Reserved.
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=================================================================
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%% message_counter example
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% choose an object to spy:
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| ?- message_counter::set_spy_point(_, list, _, _).
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yes
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% activate the monitor:
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| ?- message_counter::activate_monitor.
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yes
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% send some messages to the spied object; get all the answers for ancestor/1:
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| ?- list::empty([]).
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yes
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| ?- list::member(X, [1, 2, 3]).
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X = 1 ? ;
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X = 2 ? ;
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X = 3 ? ;
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no
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% print a report of the data collected by the monitor:
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| ?- message_counter::report.
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list
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total of calls: 2
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total of exits: 4
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empty/1
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calls: 1
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exits: 1
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member/2
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calls: 1
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exits: 3
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yes
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% stop and reset the message counter monitor:
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| ?- message_counter::stop.
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yes
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%% stop_watch example
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% choose a pair object/message to spy:
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| ?- stop_watch::set_spy_point(_, list, length(_, _), _).
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yes
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% activate the monitor:
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| ?- stop_watch::activate_monitor.
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yes
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% send a message to the spied object:
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| ?- list::length([1, 2, 3], Length).
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list <-- length([1,2,3],_277) from user
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STARTING at 755.75999999999999 seconds
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list <-- length([1,2,3],3) from user
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ENDING at 755.69000000000005 seconds
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Length = 3
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yes
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% clean up:
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| ?- stop_watch::reset_monitor.
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yes
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%% timer example
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% try a message 1000 times and return the average time:
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| ?- timer::timer(list::length([1, 2, 3], _), 1000, Time).
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Time = 0.00008
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yes
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