Generate stack and cabal hie.yamls

app/Main.hs

@@ -2,7 +2,8 @@ module Main where
 
 import Data.Attoparsec.Text
 import qualified Data.Text.IO as T
-import Lib
+import Hie.Cabal.Parser
+import Hie.Yaml
 import System.Environment
 
 main :: IO ()
@@ -10,5 +11,7 @@ main = do
   args <- getArgs
   file <- T.readFile $ head args
   case parseOnly parseSec file of
-    Right r -> print r
+    Right r -> do
+      T.putStr $ cabalHieYaml r
+      T.putStr $ stackHieYaml r
     _ -> error "Could not parse *.cabal file"

implicit-hie.cabal

@@ -4,7 +4,7 @@ cabal-version: 1.12
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 43f070b60e4bc798c52d79691e2dcdd543171eeee553cd2f28579bf9e3b6e10a
+-- hash: bc348cef928e75313b689d7626632633e11398ad278358aea4933e83a9564985
 
 name:           implicit-hie
 version:        0.1.0.0
@@ -27,7 +27,8 @@ source-repository head
 
 library
   exposed-modules:
-      Lib
+      Hie.Cabal.Parser
+      Hie.Yaml
   other-modules:
       Paths_implicit_hie
   hs-source-dirs:
@@ -37,6 +38,7 @@ library
       attoparsec
     , base >=4.7 && <5
     , text
+    , yaml
   default-language: Haskell2010
 
 executable implicit-hie-exe
@@ -51,6 +53,7 @@ executable implicit-hie-exe
     , base >=4.7 && <5
     , implicit-hie
     , text
+    , yaml
   default-language: Haskell2010
 
 test-suite implicit-hie-test
@@ -68,4 +71,5 @@ test-suite implicit-hie-test
     , hspec-attoparsec
     , implicit-hie
     , text
+    , yaml
   default-language: Haskell2010

package.yaml

@@ -23,6 +23,7 @@ dependencies:
 - base >= 4.7 && < 5
 - text
 - attoparsec
+- yaml
 
 ghc-options:
 # - -O2

src/Hie/Cabal/Parser.hs

@@ -1,6 +1,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 
-module Lib where
+module Hie.Cabal.Parser where
 
 import Control.Applicative
 import Control.Monad

src/Hie/Yaml.hs

@@ -0,0 +1,44 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module Hie.Yaml
+  ( cabalHieYaml,
+    stackHieYaml,
+  )
+where
+
+import qualified Data.Text as T
+import Hie.Cabal.Parser
+
+cabalHieYaml :: Package -> T.Text
+cabalHieYaml (Package n cs) =
+  "cradle:\n"
+    <> indentT ("cabal:\n" <> indentT (T.unlines (map (cabalComponent n) cs)))
+
+stackHieYaml :: Package -> T.Text
+stackHieYaml (Package n cs) =
+  "cradle:\n"
+    <> indentT ("stack:\n" <> indentT (T.unlines (map (stackComponent n) cs)))
+
+indentT :: T.Text -> T.Text
+indentT = T.unlines . map ("  " <>) . T.lines
+
+cabalComponent :: Name -> Component -> T.Text
+cabalComponent n (Lib p) = component p $ "lib:" <> n
+cabalComponent _ (Exe p cn) = component p $ "exe:" <> cn
+cabalComponent _ (Test p cn) = component p $ "test:" <> cn
+
+stackComponent :: Name -> Component -> T.Text
+stackComponent n (Lib p) = component p $ n <> ":lib"
+stackComponent n (Exe p cn) = component p $ n <> ":exe:" <> cn
+stackComponent n (Test p cn) = component p $ n <> ":test:" <> cn
+
+component :: T.Text -> T.Text -> T.Text
+component p c =
+  "- path: "
+    <> dQuote p
+    <> "\n  "
+    <> "component: "
+    <> dQuote c
+
+dQuote :: T.Text -> T.Text
+dQuote t = T.cons '"' t `T.snoc` '"'

test/Spec.hs

@@ -2,7 +2,7 @@
 
 import qualified Data.Text as T
 import Data.Text (Text)
-import Lib
+import Hie.Cabal.Parser
 import Test.Hspec
 import Test.Hspec.Attoparsec