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12.12.2 Getting the Focus Stack

The function get-focus-stack returns all of the module names in the focus stack as a multifield value. A multifield value of length zero is returned if the focus stack is empty.

Syntax 

(get-focus-stack)

Example 

CLIPS> (clear)
CLIPS> (get-focus-stack)
(MAIN)
CLIPS> (clear-focus-stack)
CLIPS> (get-focus-stack)
()
CLIPS> (defmodule A)
CLIPS> (defmodule B)
CLIPS> (focus A B)
TRUE
CLIPS> (get-focus-stack)
(A B)
CLIPS>

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