TRUE
CLIPS> (batch "focusexe.bat")
TRUE
CLIPS> (clear) ;; Test simple switching
CLIPS> (set-strategy depth)
depth
CLIPS> (unwatch all)
CLIPS> (watch rules)
CLIPS> (watch focus)
CLIPS> (defmodule MAIN (export ?ALL))
CLIPS> (deffacts info (a) (b))
CLIPS> (defrule MAIN::start => (focus A B C))
CLIPS> (defmodule A (import MAIN ?ALL))
CLIPS> (defrule A::arule1 (a) =>)
CLIPS> (defrule A::arule2 (b) =>)
CLIPS> (defmodule B (import MAIN ?ALL))
CLIPS> (defrule B::brule1 (a) =>)
CLIPS> (defrule B::brule2 (b) =>)
CLIPS> (defmodule C (import MAIN ?ALL))
CLIPS> (defrule C::crule1 (a) =>)
CLIPS> (defrule C::crule2 (b) =>)
CLIPS> (reset)
<== Focus MAIN
==> Focus MAIN
CLIPS> (run)
FIRE    1 start: *
==> Focus C from MAIN
==> Focus B from C
==> Focus A from B
FIRE    2 arule2: f-2
FIRE    3 arule1: f-1
<== Focus A to B
FIRE    4 brule2: f-2
FIRE    5 brule1: f-1
<== Focus B to C
FIRE    6 crule2: f-2
FIRE    7 crule1: f-1
<== Focus C to MAIN
<== Focus MAIN
CLIPS> (clear) ;; Test early return
<== Focus MAIN
==> Focus MAIN
CLIPS> (defmodule MAIN (export ?ALL))
CLIPS> (deffacts info (a) (b))
CLIPS> (defrule MAIN::start => (focus A B C))
CLIPS> (defmodule A (import MAIN ?ALL))
CLIPS> (defrule A::arule1 (a) =>)
CLIPS> (defrule A::arule2 (b) => (return))
CLIPS> (defmodule B (import MAIN ?ALL))
CLIPS> (defrule B::brule1 (a) =>)
CLIPS> (defrule B::brule2 (b) => (return))
CLIPS> (defmodule C (import MAIN ?ALL))
CLIPS> (defrule C::crule1 (a) =>)
CLIPS> (defrule C::crule2 (b) => (return))
CLIPS> (reset)
<== Focus MAIN
==> Focus MAIN
CLIPS> (run)
FIRE    1 start: *
==> Focus C from MAIN
==> Focus B from C
==> Focus A from B
FIRE    2 arule2: f-2
<== Focus A to B
FIRE    3 brule2: f-2
<== Focus B to C
FIRE    4 crule2: f-2
<== Focus C to MAIN
<== Focus MAIN
CLIPS> (clear) ;; Test nesting
<== Focus MAIN
==> Focus MAIN
CLIPS> (defmodule MAIN (export ?ALL))
CLIPS> (deffacts info (a) (b) (c))
CLIPS> (defrule MAIN::start => (focus A))
CLIPS> (defmodule A (import MAIN ?ALL))
CLIPS> (defrule A::arule1 (a) =>)
CLIPS> (defrule A::arule2 (b) => (focus B))
CLIPS> (defrule A::arule3 (c) => (focus B))
CLIPS> (defmodule B (import MAIN ?ALL))
CLIPS> (defrule B::brule1 (a) =>)
CLIPS> (defrule B::brule2 (b) => (focus C))
CLIPS> (defrule B::brule3 (c) => (focus C))
CLIPS> (defmodule C (import MAIN ?ALL))
CLIPS> (defrule C::crule1 (a) =>)
CLIPS> (defrule C::crule2 (b) => (return))
CLIPS> (defrule C::crule3 (c) => (focus A))
CLIPS> (reset)
<== Focus MAIN
==> Focus MAIN
CLIPS> (run)
FIRE    1 start: *
==> Focus A from MAIN
FIRE    2 arule3: f-3
==> Focus B from A
FIRE    3 brule3: f-3
==> Focus C from B
FIRE    4 crule3: f-3
==> Focus A from C
FIRE    5 arule2: f-2
==> Focus B from A
FIRE    6 brule2: f-2
==> Focus C from B
FIRE    7 crule2: f-2
<== Focus C to B
FIRE    8 brule1: f-1
<== Focus B to A
FIRE    9 arule1: f-1
<== Focus A to C
FIRE   10 crule1: f-1
<== Focus C to B
<== Focus B to A
<== Focus A to MAIN
<== Focus MAIN
CLIPS> (clear) ;; Autofocus
<== Focus MAIN
==> Focus MAIN
CLIPS> (defrule error (declare (auto-focus)) =>)

[PRNTUTIL2] Syntax Error:  Check appropriate syntax for auto-focus statement.

ERROR:
(defrule MAIN::error
   (declare (auto-focus )
CLIPS> (defrule error (declare (auto-focus TRUE FALSE)) =>)

[PRNTUTIL2] Syntax Error:  Check appropriate syntax for declare statement.

ERROR:
(defrule MAIN::error
   (declare (auto-focus TRUE FALSE
CLIPS> (defrule error (declare (auto-focus 6)) =>)

[PRNTUTIL2] Syntax Error:  Check appropriate syntax for auto-focus statement.

ERROR:
(defrule MAIN::error
   (declare (auto-focus 6
CLIPS> (clear)
<== Focus MAIN
==> Focus MAIN
CLIPS> (defmodule MAIN (export ?ALL))
CLIPS> (deffacts info (a) (b) (c))
CLIPS> (defrule MAIN::mrule1 (c) => (assert (d)))
CLIPS> (defrule MAIN::mrule2 (b) => (assert (e)))
CLIPS> (defrule MAIN::mrule3 (a) =>)
CLIPS> (defmodule A (import MAIN ?ALL))
CLIPS> (defrule A::arule1 (declare (auto-focus TRUE)) (d) =>)
CLIPS> (defrule A::arule2 (declare (auto-focus TRUE)) (e) => (assert (f)))
CLIPS> (defrule A::arule3 (f) =>)
CLIPS> (reset)
<== Focus MAIN
==> Focus MAIN
CLIPS> (run)
FIRE    1 mrule1: f-3
==> Focus A from MAIN
FIRE    2 arule1: f-4
<== Focus A to MAIN
FIRE    3 mrule2: f-2
==> Focus A from MAIN
FIRE    4 arule2: f-5
FIRE    5 arule3: f-6
<== Focus A to MAIN
FIRE    6 mrule3: f-1
<== Focus MAIN
CLIPS> (dribble-off)