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Re: Proposal for lambda'ing error recovery

From: Paul Eggert
Subject: Re: Proposal for lambda'ing error recovery
Date: Tue, 19 Nov 2002 01:48:02 -0800 (PST)

> From: Akim Demaille <address@hidden>
> Date: Tue, 19 Nov 2002 09:26:04 +0100
> Same here.  But really, I'd like to know what kind of parser (in
> particular what kind of actions is can perform) so that the mere
> spilling of some variables could have a noticeable impact :(
> I'm fine with the temporaries to avoid this issue though.

A parser that has to run on a small, slow, low-power machine.
(I happen to be developing for such a machine right now.)

> I see no means for the user to have some influence on this area of
> the code.  I did not try to refactor the *report* SyntaxError, just
> the *recover* bits.

Hmm, but yy_recover_parse_error invokes YYFPRINTF, and the user can
redefine YYFPRINTF.

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