com-dispatch-invoke-exception-error-info

com-dispatch-invoke-exception-error-info Function

Summary

Retrieves information stored in a com-dispatch-invoke-exception-error.

Package

com

Signature

com-dispatch-invoke-exception-error-info condition fields => field-values

Arguments

`condition`⇩	A com-dispatch-invoke-exception-error.
`fields`⇩	A list of keywords as specified below.

Values

field-values⇩

A list.

Description

The function com-dispatch-invoke-exception-error-info retrieves information about the exception from condition. The keywords in fields are used to select which information is returned in field-values, which is a list of values corresponding to each keyword in fields.

The following keyword are supported in fields:

`:code`	The error code.
`:source`	The source of the error.
`:description`	The description of the error.
`:help-file`	The help file for the error.
`:help-context`	The help context for the error.

Examples

(handler-case
    (com:invoke-dispatch-method counter "Run")
  (com:com-dispatch-invoke-exception-error (condition)
    (destructuring-bind (code description)
        (com:com-dispatch-invoke-exception-error-info
         condition
         '(:code :description))
      (format *error-output*
              "Run failed with code ~D, description ~S."
              code
              description))))