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Re: Issue 2159 in lilypond: Patch: lexer.ll: Warn about non-UTF-8 charac
From: |
David Kastrup |
Subject: |
Re: Issue 2159 in lilypond: Patch: lexer.ll: Warn about non-UTF-8 characters |
Date: |
Sun, 01 Jan 2012 21:06:51 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.92 (gnu/linux) |
Hans Aberg <address@hidden> writes:
> On 1 Jan 2012, at 20:22, address@hidden wrote:
>
>> Updates:
>> Labels: Patch-new
>>
>> Comment #2 on issue 2159 by address@hidden: Patch: lexer.ll: Warn
>> about non-UTF-8 characters
>> http://code.google.com/p/lilypond/issues/detail?id=2159#c2
>>
>> lexer.ll: Warn about non-UTF-8 characters
>>
>> Making the warnings point to the exact bad byte rather than the
>> enclosing construct would be nice.
>
> One way to implement this might be to use the Haskell program for Flex
> like UTF-8 regular expressions I made:
> http://xcybercloud.blogspot.com/2009/04/unicode-support-in-flex.html
>
> First make rules for the Unicode characters you want admit, followed
> by a '.' rule which picks up single excluded bytes.
The "unicode characters we want admit" are not single characters, but
part of things like identifiers, strings and other stuff. Cf.
<URL:http://codereview.appspot.com/5505090#msg5>
for a reasoning about the current approach for this patch.
--
David Kastrup
Re: Issue 2159 in lilypond: Patch: lexer.ll: Warn about non-UTF-8 characters, Hans Aberg, 2012/01/01
- Re: Issue 2159 in lilypond: Patch: lexer.ll: Warn about non-UTF-8 characters,
David Kastrup <=