Executes a body of code across action lists and items, signaling errors and then continuing to the next action item.
with-action-item-error-handling action-list-var action-item-var ignore-errors-p &body body
The macro with-action-item-error-handling executes the body with action-list-var and action-item-var are bound to the action list and item respectively. If ignore-errors-p is set to t then errors are handled. The behavior of the handler is to signal a warning in which the action-list, item and original error are all reported; execution then continues with the next action-item.
(defun my-execution-function (the-action-list
other-args
&key ignore-errors-p
&allow-other-keys)
(with-action-list-mapping (the-action-list
an-action-item
action-item-data)
(with-action-item-error-handling (the-action-list
an-action-item
ignore-errors-p)
(do-something-interesting-first)
(apply (car action-item-data) other-args (cdr action-item-data)))))
If this function was invoked with the keyword argument :ignore-errors-p t, and an error was signaled while executing the body-form(s) for one of the action-items, then a warning such as:
Warning: Got an error 'The variable *PREV-STATE* is
unbound.' while executing action "Initialize State" in list "Startup Inits".
would be signaled and execution would continue with the next action-item.
LispWorks User Guide and Reference Manual - 20 Sep 2017