[Haskell-cafe] determining the origin of imported symbols

[Erik Rantapaa]

Thanks, everyone, for all of the suggestions!

On Thursday, July 24, 2014 5:53:59 AM UTC-5, Eyal Lotem wrote:
>
> There's also ghc's -ddump-minimal-imports which might help you.
>
>
> On Thu, Jul 24, 2014 at 12:06 PM, JP Moresmau <jpmor... at gmail.com 
> <javascript:>> wrote:
>
>> BuildWrapper doesn't do the transformation, but it resolves all symbols 
>> to build a usage map, so it would tell you that Data.List.sort is used at 
>> line xxx, using the GHC API. So have a look at around 
>> https://github.com/JPMoresmau/BuildWrapper/blob/master/src/Language/Haskell/BuildWrapper/API.hs#L239. 
>> BuildWrapper takes the GHC AST, transforms it into a JSON structure, and 
>> extracts all usage information. There is also an import reorganization 
>> function that may be useful.
>>
>> JP
>>
>>
>> On Thu, Jul 24, 2014 at 10:29 AM, Erik Rantapaa <eran... at gmail.com 
>> <javascript:>> wrote:
>>
>>> Hi everyone,
>>>
>>> I looking for a way to analyze Haskell source to determine which module 
>>> each imported symbol comes from. My goal is to transform source code like 
>>> this:
>>>
>>>     import Data.List
>>>     ...
>>>     main = do
>>>       nums <- fmap (map read . words) getLine :: IO [Int]
>>>       print $ sort nums
>>>
>>> to code like this:
>>>
>>>     import qualified Prelude as B
>>>     import qualified Data.List as A
>>>     ...
>>>     main = do
>>>       nums <- B.fmap (B.map B.read B.. B.words) B.getLine :: B.IO 
>>> [B.Int]
>>>       B.print B.$ A.sort nums
>>>
>>> That is, I want to qualify all imported symbols with a module alias.
>>>
>>> Can anyone suggest modules or programs I should look at?
>>>
>>> Thanks,
>>> ER
>>>
>>> _______________________________________________
>>> Haskell-Cafe mailing list
>>> Haskel... at haskell.org <javascript:>
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>>>
>>>
>>
>>
>> -- 
>> JP Moresmau
>> http://jpmoresmau.blogspot.com/ 
>>
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>
>
>
> -- 
> Eyal
>  
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