Date: Mon, 6 Sep 1999 19:30:59 +0200 (MET DST)
From: David Monniaux <David.Monniaux@ens.fr>
To: Liste CAML <firstname.lastname@example.org>
[resume: suggestion d'implementer une analyse statique et sommaire de
detection de fuites potentielles d'exceptions semblable a celle de Java]
The Java language has a nice feature: static detection of exception
leaks (or, more exactly, a conservative and simple approximation of it,
since the full problem is of course undecidable).
That is, functions must declare the exceptions they can throw
(except those generated by the runtime system); exceptions that can be
thrown from function f are inferred by looking at those that can be thrown
by the functions called from f, those that are explicitely thrown in f and
those that are caught in f.
Pardon me if I'm mistaken, but this sounds easy and cheap to implement.
Could it be possible to add a construct like this:
<list of throwable exceptions>
in <expression> ?
Only terms tagged such as above would be checked so as to allow upwards
Does this sound nifty? And implementable?
--- David Monniaux Tel: +33 1 44 32 20 66 Fax: +33 1 44 32 20 80 Laboratoire d'informatique de l'École Normale Supérieure, 45 rue d'Ulm - 75230 PARIS cedex 5 - FRANCE
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