Flyspell sans flyspell

Flyspell sans flyspell

[João Távora]

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Hi,

Or rather, avec du Flymake.  I just pushed some updates that allow
Flymake and backends to exchange hints about the modified portions of
the buffer.

This in turn allowed me to build a very simple prototype
flyspell-flymake.el (attached after the sig) with backends that reuse
Flyspell's machinery and turn Flymake into a spell checker.

It is not really usable since it suffers a lot from Flyspell's quirks
like moving the point as it's checking words, a lot of chatter in the
echo area, and probably more that I haven't noticed.  This is mainly
because Flyspell doesn't provide any kind of API, and all I did was
override the overlay API around calls to `flyspell-region' using
`cl-letf.

Still, works better than I expected it to.  If you want to try it, build
a recent master, load the attached file, and eval one of the following

   (add-hook 'flymake-diagnostic-functions 'flyspell-prog-flymake) ; for programming
   (add-hook 'flymake-diagnostic-functions 'flyspell-flymake) ; for text

Then M-x flymake-mode

João


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Re: Flyspell sans flyspell

[Stefan Monnier]

> Or rather, avec du Flymake.  I just pushed some updates that allow
> Flymake and backends to exchange hints about the modified portions of
> the buffer.

Thanks.

> This in turn allowed me to build a very simple prototype
> flyspell-flymake.el (attached after the sig) with backends that reuse
> Flyspell's machinery and turn Flymake into a spell checker.

Hmm... I would have expected that it's easier to link flymake to
ispell.el than to flyspell.el.  But, I admit to not having actually
looked at flyspell's code.


        Stefan

Re: Flyspell sans flyspell

[João Távora]

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On Sat, Jun 16, 2018, 01:25 Stefan Monnier <monnier@iro.umontreal.ca> wrote:

> > Or rather, avec du Flymake.  I just pushed some updates that allow
> > Flymake and backends to exchange hints about the modified portions of
> > the buffer.
>
> Thanks.
>

Yeah, let's hope the API makes sense, I haven't tested with anything other
than flyspell, so I was hoping you could come up with interesting cases.


> > This in turn allowed me to build a very simple prototype
> > flyspell-flymake.el (attached after the sig) with backends that reuse
> > Flyspell's machinery and turn Flymake into a spell checker.
>
> Hmm... I would have expected that it's easier to link flymake to
> ispell.el than to flyspell.el.  But, I admit to not having actually
> looked at flyspell's code.
>

Likewise for ispell from my side.  How would you do it there?  In
particular, I'd like the flymake backend to issue a different diagnostic
type for misspellings that have affix rules (a lot of those in Portuguese).
Flyspell appears to not care.

João

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