[ragel-users] Why not prepend a prefix to variables used by ragel?

[Nate]

FWIW, an "rg_" prefix isn't making anything less confusing. I'd prefer
actual variable names that indicate what each is for, as one might use if
writing the code by hand (math people excluded!). I agree it could be a
setting, disabled by default so existing users are not disrupted.


On Sat, Feb 23, 2019 at 1:12 PM Peng Yu <pengyu.ut at gmail.com> wrote:

> This can be easily solved but adding a command line option to enable such
> prefixes and the date the prefixes will be enforced (say in 3 years). So
> people can have time to migrate their ragel code. This kind of things has
> been done all the time. I don’t think it should be an excuse not make the
> variable name more readable. “access” can solve the readability problem,
> but it also uses an extra structure which changes the meaning of the code.
> I will check “variable” later.
>
> BTW, how many uses of ragel anyway? It seems to have a far less user base
> than flex. My impression is that people uses it because it can offer
> something flex does not offer. However, flex can already solve a lot of
> lexing problems. So there will be much less users use ragel than flex. This
> can be shown by the numbers of questions on stack overflow and the numbers
> of projects on github.
>
> On Sat, Feb 23, 2019 at 3:52 AM Adrian Thurston <thurston at colm.net> wrote:
>
>> You can use the variable and access statements (section 5 of the
>> manual).
>>
>> Changing the default behaviour at this point would break every ragel
>> program out there and that's not something I'm interested in doing.
>>
>> On 2019-02-22 21:23, Peng Yu wrote:
>> > The variables mentioned in section 5.1 "Variables Used by Ragel"
>> > manual are very much like common names. It will be confusing to look
>> > at ragel code written in this way. Why not consider adding a prefix,
>> > e.g., rg_, to them to make it less confusing? Thanks.
>> >
>> > - cs
>> > - p
>> > - ...
>>
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>
> --
> Regards,
> Peng
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