[Haskell-cafe] (automatically) adding import statements in vim

[Evan Laforge]

I wrote fix-imports, which is on hackage.  Works for me, but assumes
you use qualified imports.

On Wed, Dec 25, 2013 at 3:45 AM, cdep.illabout at gmail.com
<cdep.illabout at gmail.com> wrote:
> Are there any tools or vim-plugins that will automatically add
>  import statements?
>
> For instance, I have the following code:
>
> ...
> import Data.Maybe (fromJust)
> import Text.ParserCombinators.Parsec (ParseError)
> import Text.Printf (printf)
> ...
>
> parseMyString :: String -> Either ParseError String
> parseMyString stringToParse = parse myParser "(unknown)" stringToParse
>
>
> Here's what I want to have happen.  I put my cursor over "parse" and
> press some keystroke.  It automatically adds the parse function to the
> list of import statements from the Text.ParserCombinators.Parsec
> module (hopefully sorted alphabetically).  So the import statements
> end up looking like this:
>
> ...
>  import Data.Maybe (fromJust)
> import Text.ParserCombinators.Parsec (ParseError, parse)
> import Text.Printf (printf)
> ...
>
> The haskellmode vim plugin
> (https://github.com/lukerandall/haskellmode-vim) has functionality
> similar to this, but it can only add new import lines.  It can't add
> functions/types to existing import lines.
>
> The best it can do is something like this:
>
> ...
>  import Data.Maybe (fromJust)
> import Text.ParserCombinators.Parsec (ParseError)
> import Text.Printf (printf)
> import Text.ParserCombinators.Parsec (parse)
> ...
>
> This is alright, but I have to go back and edit it by hand to make it
> look like the above.
>
> Are there any tools or vim-plugins that can do this automatically?
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