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Re: [Gcl-devel] Two Windows ANSI crash examples

From: Paul F. Dietz
Subject: Re: [Gcl-devel] Two Windows ANSI crash examples
Date: Thu, 08 Jan 2004 21:08:30 -0600
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6b) Gecko/20031210

Camm Maguire wrote:

This works, but I was wondering whether there was a way in lisp to
make *internal-error-parms* only visible inside this function, yet
'special'/persistent, i.e. like a static local variable in C.

You can do this:

(defun clcs-universal-error-handler-generator ()
  (let ((internal-error-parms ...))
     #'(lambda (...) ...)))

(eval-when (:load-toplevel) ;; I think
  (setf (symbol-function 'clcs-universal-error-handler)

(I think just wrapping a let around the defun does not
work, due to constraints on compiling defuns that are not
in the null lexical environment.)


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