[PATCH] Replaced bool parameters in SkipUntil function with single bit-based parameter.
Hal Finkel
hfinkel at anl.gov
Wed Nov 6 07:53:50 PST 2013
----- Original Message -----
> On 06/11/2013 10:10, David Majnemer wrote:
> > From my experience,
> > `SkipUntil(EndKind, /*StopAtSemi=*/true, /*DontConsume=*/true);`
> > is more typical in clang than
> > `SkipUntil(EndKind, StopAtSemi | DontConsume);`
> >
> > It seems that some of the calls that you changed were previously
> > nasty (i.e. `SkipUntil(EndKind, true, true)`) which justifies a
> > cleanup.
> > However I'm not sure we want a bitfield here.
> >
> > What is your justification?
>
> I like this new SkipUnti(). It's a step in the right direction for
> the
> parser, and a lot more approachable than the rows of bools.
>
> The old comments-before-arguments trick was never kept up to date and
> too easy to mix up.
>
> Small nitpick, The names of DontConsume and NoSkipUntilFlags are a
> bit
> jarring (maybe NoConsume would do for the first one?)
I agree. Also, can you please invert the sense of the StopAtSemi option so that 0 can be the default. That way we never need 'NoSkipUntilFlags' in the code.
-Hal
>
> Alp.
>
>
> >
> >
> > ================
> > Comment at: include/clang/Parse/Parser.h:751
> > @@ -741,3 +750,3 @@
> > /// token will ever occur, this skips to the next token, or to
> > some likely
> > - /// good stopping point. If StopAtSemi is true, skipping will
> > stop at a ';'
> > - /// character.
> > + /// good stopping point. If Flags has bit set at StopAtSemi,
> > skipping will
> > + /// stop at a ';' character.
> > ----------------
> > The wording "has bit set" seems strange.
> >
> >
> > http://llvm-reviews.chandlerc.com/D2108
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--
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory
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