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From: Marek Polacek <polacek@redhat.com>
To: Jason Merrill <jason@redhat.com>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH] c++: Reject UDLs in certain contexts [PR105300]
Date: Tue, 15 Nov 2022 19:35:48 -0500	[thread overview]
Message-ID: <Y3QwZEMLetXM7ho7@redhat.com> (raw)
In-Reply-To: <f532848a-bb39-0032-a625-4c4365de610f@redhat.com>

On Tue, Nov 15, 2022 at 06:58:39PM -0500, Jason Merrill wrote:
> On 11/12/22 06:53, Marek Polacek wrote:
> > In this PR, we are crashing because we've encountered a UDL where a
> > string-literal is expected.  This patch makes the parser reject string
> > and character UDLs in all places where the grammar requires a
> > string-literal and not a user-defined-string-literal.
> > 
> > Bootstrapped/regtested on x86_64-pc-linux-gnu, ok for trunk?
> 
> Since the grammar has
> 
> user-defined-string-literal :
> 	string-literal ud-suffix
> 
> maybe we want to move the UDL handling out to a cp_parser_udl_string_literal
> that calls cp_parser_string_literal?

Umm, maybe, but the UDL handling code seems to be too entrenched in
cp_parser_string_literal and I don't think it's going to be easy to extract
it :/.

Marek


  reply	other threads:[~2022-11-16  0:35 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-12 16:53 Marek Polacek
2022-11-15 23:58 ` Jason Merrill
2022-11-16  0:35   ` Marek Polacek [this message]
2022-11-16 13:22     ` Jason Merrill
2022-11-17  1:12       ` Marek Polacek
2022-11-18  0:06         ` Jason Merrill
2022-11-18 23:52           ` [PATCH v2] " Marek Polacek
2022-11-19  1:39             ` Jason Merrill
2022-12-02 23:58               ` [PATCH v3] " Marek Polacek
2022-12-03 19:58                 ` Jason Merrill
2023-01-13 23:22                   ` [PATCH v4] " Marek Polacek
2023-01-24 22:49                     ` Marek Polacek
2023-01-25 19:36                     ` Jason Merrill

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