[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: %destructor declared by semantic type
From: |
Paul Eggert |
Subject: |
Re: %destructor declared by semantic type |
Date: |
Wed, 21 Jun 2006 13:26:25 -0700 |
User-agent: |
Gnus/5.1008 (Gnus v5.10.8) Emacs/21.4 (gnu/linux) |
"Joel E. Denny" <address@hidden> writes:
> 1. If Bison finds <tag> usage (once you're done with your patch for this),
> then it should assume the user will define YYSTYPE as a union. This
> subcase should be no different from the case where the user declares
> %union, right?
Right.
> 2. If Bison finds no <tag> usage, then destructors by type make no sense,
> so perhaps Bison should report an error if the user declares such
> destructors. However, destructors by symbol do still make sense. A
> catch-all destructor makes sense too, I think.
I agree with this as well.