Re: [textadept] Re: Javascript lexer modification

From: Brian Schott <briancsch....at.gmail.com>
Date: Fri, 24 Feb 2012 10:22:12 -0800

I'm not sure. There are a lot of ways that we could add similar error
detection to other languages. It depends on how narrow or wide the
purpose of a lexer is.

On Fri, Feb 24, 2012 at 6:06 AM, mitchell <c....at.caladbolg.net> wrote:
> Brian,
>
>
> On Thu, 16 Feb 2012, Brian Schott wrote:
>
>> Make that
>>
>> local trailing_comma_of_death = token(l.ERROR, ',' * l.space^0 * '}')
>
>
> Do you think this should this be added to the official Javascript lexer?
>
> mitchell
>
>>
>> On Thu, Feb 16, 2012 at 12:57 PM, Brian Schott <briancsch....at.gmail.com>
>> wrote:
>>>
>>> After being hit by the "trailing comma of death"[1] too many times on
>>> a project at work, I've modified the javascript lexer to make my life
>>> a bit better.
>>>
>>> Add this somewhere in the lexer file:
>>> local trailing_comma_of_death = token(l.ERROR, ',' * ws^0 * '}')
>>>
>>> and this in the M._rules table:
>>> { 'error', trailing_comma_of_death},
>>>
>>> [1]
>>> http://www.enterprisedojo.com/2010/12/19/beware-the-trailing-comma-of-death/
>>
>>
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>
> mitchell
>
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Received on Fri 24 Feb 2012 - 13:22:12 EST

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