From: Tom Tromey <tom@tromey.com>
To: Tom Tromey <tom@tromey.com>
Cc: Andrew Burgess <aburgess@redhat.com>, gdb-patches@sourceware.org
Subject: Re: [PATCH 11/18] Add an emitter callback to generic_printstr and generic_emit_char
Date: Wed, 16 Feb 2022 14:00:12 -0700 [thread overview]
Message-ID: <87sfsisf1f.fsf@tromey.com> (raw)
In-Reply-To: <87ee42tuhw.fsf@tromey.com> (Tom Tromey's message of "Wed, 16 Feb 2022 13:40:59 -0700")
Tom> Actually, I think we probably can just remove this code.
Tom> I don't think it's needed, because gdb always emits 3 octal digits, and
Tom> the C parser at least limits octal escapes to 3 digits as well.
So the problem is not with octal at all, but actually with hex, because
with hex escapes there isn't a digit limit. This means the current
behavior is actually wrong:
(gdb) print L"\xfffe" "f"
$1 = L"\xfffef"
I think this should probably print L"\xfffe\x66", though maybe string
concatenation would be prettier.
Anyway, while I did find a spot with a bug, I "found" the wrong bug.
Tom
next prev parent reply other threads:[~2022-02-16 21:00 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-16 13:55 [PATCH 00/18] Refactor character printing Tom Tromey
2022-02-16 13:55 ` [PATCH 01/18] Fix latent quote char bug in generic_printstr Tom Tromey
2022-02-16 15:38 ` Andrew Burgess
2022-02-16 13:55 ` [PATCH 02/18] Boolify need_escape in generic_emit_char Tom Tromey
2022-02-16 15:39 ` Andrew Burgess
2022-02-16 13:55 ` [PATCH 03/18] Remove c_emit_char Tom Tromey
2022-02-16 15:40 ` Andrew Burgess
2022-02-16 13:55 ` [PATCH 04/18] Remove c_printstr Tom Tromey
2022-02-16 15:46 ` Andrew Burgess
2022-02-16 13:55 ` [PATCH 05/18] Don't use wchar_printable in print_wchar Tom Tromey
2022-02-16 15:52 ` Andrew Burgess
2022-02-16 13:55 ` [PATCH 06/18] Fix a latent bug " Tom Tromey
2022-02-16 16:02 ` Andrew Burgess
2022-02-17 22:02 ` Tom Tromey
2022-02-16 13:55 ` [PATCH 07/18] Remove language_defn::emitchar Tom Tromey
2022-02-16 16:12 ` Andrew Burgess
2022-02-17 22:02 ` Tom Tromey
2022-02-16 13:55 ` [PATCH 08/18] Add gdb_iswcntrl Tom Tromey
2022-02-16 16:13 ` Andrew Burgess
2022-02-16 13:55 ` [PATCH 09/18] Include \0 in printable wide characters Tom Tromey
2022-02-16 17:19 ` Andrew Burgess
2022-02-16 13:55 ` [PATCH 10/18] Use a ui_file in print_wchar Tom Tromey
2022-02-16 17:25 ` Andrew Burgess
2022-02-16 13:55 ` [PATCH 11/18] Add an emitter callback to generic_printstr and generic_emit_char Tom Tromey
2022-02-16 17:47 ` Andrew Burgess
2022-02-16 20:40 ` Tom Tromey
2022-02-16 21:00 ` Tom Tromey [this message]
2022-02-16 13:55 ` [PATCH 12/18] Add a default encoding to generic_emit_char and generic_printstr Tom Tromey
2022-02-16 13:55 ` [PATCH 13/18] Change generic_emit_char to print the quotes Tom Tromey
2022-02-16 13:55 ` [PATCH 14/18] Use generic_emit_char in Rust Tom Tromey
2022-02-16 13:55 ` [PATCH 15/18] Use generic_emit_char in Ada Tom Tromey
2022-02-16 13:55 ` [PATCH 16/18] Use generic_emit_char in Modula-2 Tom Tromey
2022-02-16 13:55 ` [PATCH 17/18] Use generic_emit_char in Pascal Tom Tromey
2022-02-16 13:55 ` [PATCH 18/18] Simplify Fortran string printing Tom Tromey
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