[erlang-questions] prettypr

[Roberto Ostinelli]

Thank you Ulf.

So i first should erl_parse:tokens/1, then erl_parse:parse/form/1 then use
what you suggested?


On Fri, May 11, 2012 at 1:09 PM, Ulf Wiger <ulf@REDACTED> wrote:

>
> You could take a look at how parse_trans does it:
>
> https://github.com/esl/parse_trans/blob/master/src/parse_trans_pp.erl#L65
>
> It uses erl_pp instead of erl_prettypr for reasons I have since forgotten
> (it was something that, at one time, erl_prettypr had problems with, but
> erl_pp was able to handle).
>
> BR,
> Ulf W
>
> On 11 May 2012, at 22:01, Roberto Ostinelli wrote:
>
> Dear All,
>
> is there a way to use prettypr on a list()?
>
> I want to pretty format some source code, all I found is a Trapexit post
> showing this:
>
> F="tst.erl",
>
> erl_prettypr:format(erl_recomment:recomment_forms(element(2,epp_dodger:parse_file(F)),erl_comment_scan:file(F))).
>
> Unfortunately this is based on parsing a file, and epp_dodger needs an
> IoDevice to parse code.
>
> Is there a way to do something similar but inputting the code as list()
> instead of parsing a file?
>
> r.
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>
> Ulf Wiger, Co-founder & Developer Advocate, Feuerlabs Inc.
> http://feuerlabs.com
>
>
>
>
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