{-# LANGUAGE CPP #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE DeriveTraversable #-}
{-# LANGUAGE OverloadedStrings #-}
module HIE.Bios.Types where

import           System.Exit
import qualified Colog.Core as L
import           Control.Exception              ( Exception )
import           Control.Monad.IO.Class
import           Control.Monad.Trans.Class
#if MIN_VERSION_base(4,9,0)
import qualified Control.Monad.Fail as Fail
#endif
import Data.Text.Prettyprint.Doc
import System.Process.Extra (CreateProcess (env, cmdspec), CmdSpec (..))
import Data.Maybe (fromMaybe)

----------------------------------------------------------------
-- Environment variables used by hie-bios.
--
-- If you need more, add a constant here.
----------------------------------------------------------------

-- | Environment variable containing the filepath to which
-- cradle actions write their results to.
-- If the filepath does not exist, cradle actions must create them.
hie_bios_output :: String
hie_bios_output :: [Char]
hie_bios_output = [Char]
"HIE_BIOS_OUTPUT"

-- | Environment variable pointing to the GHC location used by
-- cabal's and stack's GHC wrapper.
--
-- If not set, will default to sensible defaults.
hie_bios_ghc :: String
hie_bios_ghc :: [Char]
hie_bios_ghc = [Char]
"HIE_BIOS_GHC"

-- | Environment variable with extra arguments passed to the GHC location
-- in cabal's and stack's GHC wrapper.
--
-- If not set, assume no extra arguments.
hie_bios_ghc_args :: String
hie_bios_ghc_args :: [Char]
hie_bios_ghc_args = [Char]
"HIE_BIOS_GHC_ARGS"

-- | Environment variable pointing to the source file location that caused
-- the cradle action to be executed.
hie_bios_arg :: String
hie_bios_arg :: [Char]
hie_bios_arg = [Char]
"HIE_BIOS_ARG"

-- | Environment variable pointing to a filepath to which dependencies
-- of a cradle can be written to by the cradle action.
hie_bios_deps :: String
hie_bios_deps :: [Char]
hie_bios_deps = [Char]
"HIE_BIOS_DEPS"

----------------------------------------------------------------

-- | The environment of a single 'Cradle'.
-- A 'Cradle' is a unit for the respective build-system.
--
-- It contains the root directory of the 'Cradle', the name of
-- the 'Cradle' (for debugging purposes), and knows how to set up
-- a GHC session that is able to compile files that are part of this 'Cradle'.
--
-- A 'Cradle' may be a single unit in the \"cabal-install\" context, or
-- the whole package, comparable to how \"stack\" works.
data Cradle a = Cradle {
  -- | The project root directory.
    forall a. Cradle a -> [Char]
cradleRootDir    :: FilePath
  -- | The action which needs to be executed to get the correct
  -- command line arguments.
  , forall a. Cradle a -> CradleAction a
cradleOptsProg   :: CradleAction a
  , forall a. Cradle a -> LogAction IO (WithSeverity Log)
cradleLogger  :: L.LogAction IO (L.WithSeverity Log)
  } deriving (forall a b. a -> Cradle b -> Cradle a
forall a b. (a -> b) -> Cradle a -> Cradle b
forall (f :: * -> *).
(forall a b. (a -> b) -> f a -> f b)
-> (forall a b. a -> f b -> f a) -> Functor f
<$ :: forall a b. a -> Cradle b -> Cradle a
$c<$ :: forall a b. a -> Cradle b -> Cradle a
fmap :: forall a b. (a -> b) -> Cradle a -> Cradle b
$cfmap :: forall a b. (a -> b) -> Cradle a -> Cradle b
Functor)

instance Show a => Show (Cradle a) where
  show :: Cradle a -> [Char]
show (Cradle [Char]
root CradleAction a
prog LogAction IO (WithSeverity Log)
_)
    = [Char]
"Cradle{ cradleRootDir = " forall a. [a] -> [a] -> [a]
++ forall a. Show a => a -> [Char]
show [Char]
root
          forall a. [a] -> [a] -> [a]
++[Char]
", cradleOptsProg = " forall a. [a] -> [a] -> [a]
++ forall a. Show a => a -> [Char]
show CradleAction a
prog
          forall a. [a] -> [a] -> [a]
++[Char]
"}"

data ActionName a
  = Stack
  | Cabal
  | Bios
  | Default
  | Multi
  | Direct
  | None
  | Other a
  deriving (Int -> ActionName a -> ShowS
forall a. Show a => Int -> ActionName a -> ShowS
forall a. Show a => [ActionName a] -> ShowS
forall a. Show a => ActionName a -> [Char]
forall a.
(Int -> a -> ShowS) -> (a -> [Char]) -> ([a] -> ShowS) -> Show a
showList :: [ActionName a] -> ShowS
$cshowList :: forall a. Show a => [ActionName a] -> ShowS
show :: ActionName a -> [Char]
$cshow :: forall a. Show a => ActionName a -> [Char]
showsPrec :: Int -> ActionName a -> ShowS
$cshowsPrec :: forall a. Show a => Int -> ActionName a -> ShowS
Show, ActionName a -> ActionName a -> Bool
forall a. Eq a => ActionName a -> ActionName a -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: ActionName a -> ActionName a -> Bool
$c/= :: forall a. Eq a => ActionName a -> ActionName a -> Bool
== :: ActionName a -> ActionName a -> Bool
$c== :: forall a. Eq a => ActionName a -> ActionName a -> Bool
Eq, ActionName a -> ActionName a -> Ordering
forall a.
Eq a
-> (a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
forall {a}. Ord a => Eq (ActionName a)
forall a. Ord a => ActionName a -> ActionName a -> Bool
forall a. Ord a => ActionName a -> ActionName a -> Ordering
forall a. Ord a => ActionName a -> ActionName a -> ActionName a
min :: ActionName a -> ActionName a -> ActionName a
$cmin :: forall a. Ord a => ActionName a -> ActionName a -> ActionName a
max :: ActionName a -> ActionName a -> ActionName a
$cmax :: forall a. Ord a => ActionName a -> ActionName a -> ActionName a
>= :: ActionName a -> ActionName a -> Bool
$c>= :: forall a. Ord a => ActionName a -> ActionName a -> Bool
> :: ActionName a -> ActionName a -> Bool
$c> :: forall a. Ord a => ActionName a -> ActionName a -> Bool
<= :: ActionName a -> ActionName a -> Bool
$c<= :: forall a. Ord a => ActionName a -> ActionName a -> Bool
< :: ActionName a -> ActionName a -> Bool
$c< :: forall a. Ord a => ActionName a -> ActionName a -> Bool
compare :: ActionName a -> ActionName a -> Ordering
$ccompare :: forall a. Ord a => ActionName a -> ActionName a -> Ordering
Ord, forall a b. a -> ActionName b -> ActionName a
forall a b. (a -> b) -> ActionName a -> ActionName b
forall (f :: * -> *).
(forall a b. (a -> b) -> f a -> f b)
-> (forall a b. a -> f b -> f a) -> Functor f
<$ :: forall a b. a -> ActionName b -> ActionName a
$c<$ :: forall a b. a -> ActionName b -> ActionName a
fmap :: forall a b. (a -> b) -> ActionName a -> ActionName b
$cfmap :: forall a b. (a -> b) -> ActionName a -> ActionName b
Functor)

data Log 
  = LogAny String
  | LogProcessOutput String
  | LogCreateProcessRun CreateProcess
  | LogProcessRun FilePath [FilePath]
  deriving Int -> Log -> ShowS
[Log] -> ShowS
Log -> [Char]
forall a.
(Int -> a -> ShowS) -> (a -> [Char]) -> ([a] -> ShowS) -> Show a
showList :: [Log] -> ShowS
$cshowList :: [Log] -> ShowS
show :: Log -> [Char]
$cshow :: Log -> [Char]
showsPrec :: Int -> Log -> ShowS
$cshowsPrec :: Int -> Log -> ShowS
Show

instance Pretty Log where
  pretty :: forall ann. Log -> Doc ann
pretty (LogAny [Char]
s) = forall a ann. Pretty a => a -> Doc ann
pretty [Char]
s
  pretty (LogProcessOutput [Char]
s) = forall a ann. Pretty a => a -> Doc ann
pretty [Char]
s
  pretty (LogProcessRun [Char]
fp [[Char]]
args) = forall a ann. Pretty a => a -> Doc ann
pretty [Char]
fp forall ann. Doc ann -> Doc ann -> Doc ann
<+> forall a ann. Pretty a => a -> Doc ann
pretty ([[Char]] -> [Char]
unwords [[Char]]
args)
  pretty (LogCreateProcessRun CreateProcess
cp) =   
    forall ann. [Doc ann] -> Doc ann
vcat forall a b. (a -> b) -> a -> b
$ 
      [ case CreateProcess -> CmdSpec
cmdspec CreateProcess
cp of
          ShellCommand [Char]
sh -> forall a ann. Pretty a => a -> Doc ann
pretty [Char]
sh
          RawCommand [Char]
cmd [[Char]]
args -> forall a ann. Pretty a => a -> Doc ann
pretty [Char]
cmd forall ann. Doc ann -> Doc ann -> Doc ann
<+> forall a ann. Pretty a => a -> Doc ann
pretty ([[Char]] -> [Char]
unwords [[Char]]
args)
      ]
      forall a. Semigroup a => a -> a -> a
<>
      if forall (t :: * -> *) a. Foldable t => t a -> Bool
null forall {ann}. [Doc ann]
envText
        then []
        else
          [ forall ann. Int -> Doc ann -> Doc ann
indent Int
2 forall a b. (a -> b) -> a -> b
$ Doc ann
"Environment Variables"
          , forall ann. Int -> Doc ann -> Doc ann
indent Int
2 forall a b. (a -> b) -> a -> b
$ forall ann. [Doc ann] -> Doc ann
vcat forall {ann}. [Doc ann]
envText
          ]
    where
      envText :: [Doc ann]
envText = forall a b. (a -> b) -> [a] -> [b]
map (forall ann. Int -> Doc ann -> Doc ann
indent Int
2 forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a ann. Pretty a => a -> Doc ann
pretty) forall a b. (a -> b) -> a -> b
$ CreateProcess -> [[Char]]
prettyProcessEnv CreateProcess
cp

data CradleAction a = CradleAction {
                        forall a. CradleAction a -> ActionName a
actionName    :: ActionName a
                      -- ^ Name of the action.
                      , forall a.
CradleAction a
-> [Char] -> [[Char]] -> IO (CradleLoadResult ComponentOptions)
runCradle     :: FilePath -> [FilePath] -> IO (CradleLoadResult ComponentOptions)
                      -- ^ Options to compile the given file with.
                      , forall a.
CradleAction a -> [[Char]] -> IO (CradleLoadResult [Char])
runGhcCmd     :: [String] -> IO (CradleLoadResult String)
                      -- ^ Executes the @ghc@ binary that is usually used to
                      -- build the cradle. E.g. for a cabal cradle this should be
                      -- equivalent to @cabal exec ghc -- args@
                      }
  deriving (forall a b. a -> CradleAction b -> CradleAction a
forall a b. (a -> b) -> CradleAction a -> CradleAction b
forall (f :: * -> *).
(forall a b. (a -> b) -> f a -> f b)
-> (forall a b. a -> f b -> f a) -> Functor f
<$ :: forall a b. a -> CradleAction b -> CradleAction a
$c<$ :: forall a b. a -> CradleAction b -> CradleAction a
fmap :: forall a b. (a -> b) -> CradleAction a -> CradleAction b
$cfmap :: forall a b. (a -> b) -> CradleAction a -> CradleAction b
Functor)

instance Show a => Show (CradleAction a) where
  show :: CradleAction a -> [Char]
show CradleAction { actionName :: forall a. CradleAction a -> ActionName a
actionName = ActionName a
name } = [Char]
"CradleAction: " forall a. [a] -> [a] -> [a]
++ forall a. Show a => a -> [Char]
show ActionName a
name

-- | Result of an attempt to set up a GHC session for a 'Cradle'.
-- This is the go-to error handling mechanism. When possible, this
-- should be preferred over throwing exceptions.
data CradleLoadResult r
  = CradleSuccess r -- ^ The cradle succeeded and returned these options.
  | CradleFail CradleError -- ^ We tried to load the cradle and it failed.
  | CradleNone -- ^ No attempt was made to load the cradle.
 deriving (forall a b. a -> CradleLoadResult b -> CradleLoadResult a
forall a b. (a -> b) -> CradleLoadResult a -> CradleLoadResult b
forall (f :: * -> *).
(forall a b. (a -> b) -> f a -> f b)
-> (forall a b. a -> f b -> f a) -> Functor f
<$ :: forall a b. a -> CradleLoadResult b -> CradleLoadResult a
$c<$ :: forall a b. a -> CradleLoadResult b -> CradleLoadResult a
fmap :: forall a b. (a -> b) -> CradleLoadResult a -> CradleLoadResult b
$cfmap :: forall a b. (a -> b) -> CradleLoadResult a -> CradleLoadResult b
Functor, forall a. Eq a => a -> CradleLoadResult a -> Bool
forall a. Num a => CradleLoadResult a -> a
forall a. Ord a => CradleLoadResult a -> a
forall m. Monoid m => CradleLoadResult m -> m
forall a. CradleLoadResult a -> Bool
forall a. CradleLoadResult a -> Int
forall a. CradleLoadResult a -> [a]
forall a. (a -> a -> a) -> CradleLoadResult a -> a
forall m a. Monoid m => (a -> m) -> CradleLoadResult a -> m
forall b a. (b -> a -> b) -> b -> CradleLoadResult a -> b
forall a b. (a -> b -> b) -> b -> CradleLoadResult a -> b
forall (t :: * -> *).
(forall m. Monoid m => t m -> m)
-> (forall m a. Monoid m => (a -> m) -> t a -> m)
-> (forall m a. Monoid m => (a -> m) -> t a -> m)
-> (forall a b. (a -> b -> b) -> b -> t a -> b)
-> (forall a b. (a -> b -> b) -> b -> t a -> b)
-> (forall b a. (b -> a -> b) -> b -> t a -> b)
-> (forall b a. (b -> a -> b) -> b -> t a -> b)
-> (forall a. (a -> a -> a) -> t a -> a)
-> (forall a. (a -> a -> a) -> t a -> a)
-> (forall a. t a -> [a])
-> (forall a. t a -> Bool)
-> (forall a. t a -> Int)
-> (forall a. Eq a => a -> t a -> Bool)
-> (forall a. Ord a => t a -> a)
-> (forall a. Ord a => t a -> a)
-> (forall a. Num a => t a -> a)
-> (forall a. Num a => t a -> a)
-> Foldable t
product :: forall a. Num a => CradleLoadResult a -> a
$cproduct :: forall a. Num a => CradleLoadResult a -> a
sum :: forall a. Num a => CradleLoadResult a -> a
$csum :: forall a. Num a => CradleLoadResult a -> a
minimum :: forall a. Ord a => CradleLoadResult a -> a
$cminimum :: forall a. Ord a => CradleLoadResult a -> a
maximum :: forall a. Ord a => CradleLoadResult a -> a
$cmaximum :: forall a. Ord a => CradleLoadResult a -> a
elem :: forall a. Eq a => a -> CradleLoadResult a -> Bool
$celem :: forall a. Eq a => a -> CradleLoadResult a -> Bool
length :: forall a. CradleLoadResult a -> Int
$clength :: forall a. CradleLoadResult a -> Int
null :: forall a. CradleLoadResult a -> Bool
$cnull :: forall a. CradleLoadResult a -> Bool
toList :: forall a. CradleLoadResult a -> [a]
$ctoList :: forall a. CradleLoadResult a -> [a]
foldl1 :: forall a. (a -> a -> a) -> CradleLoadResult a -> a
$cfoldl1 :: forall a. (a -> a -> a) -> CradleLoadResult a -> a
foldr1 :: forall a. (a -> a -> a) -> CradleLoadResult a -> a
$cfoldr1 :: forall a. (a -> a -> a) -> CradleLoadResult a -> a
foldl' :: forall b a. (b -> a -> b) -> b -> CradleLoadResult a -> b
$cfoldl' :: forall b a. (b -> a -> b) -> b -> CradleLoadResult a -> b
foldl :: forall b a. (b -> a -> b) -> b -> CradleLoadResult a -> b
$cfoldl :: forall b a. (b -> a -> b) -> b -> CradleLoadResult a -> b
foldr' :: forall a b. (a -> b -> b) -> b -> CradleLoadResult a -> b
$cfoldr' :: forall a b. (a -> b -> b) -> b -> CradleLoadResult a -> b
foldr :: forall a b. (a -> b -> b) -> b -> CradleLoadResult a -> b
$cfoldr :: forall a b. (a -> b -> b) -> b -> CradleLoadResult a -> b
foldMap' :: forall m a. Monoid m => (a -> m) -> CradleLoadResult a -> m
$cfoldMap' :: forall m a. Monoid m => (a -> m) -> CradleLoadResult a -> m
foldMap :: forall m a. Monoid m => (a -> m) -> CradleLoadResult a -> m
$cfoldMap :: forall m a. Monoid m => (a -> m) -> CradleLoadResult a -> m
fold :: forall m. Monoid m => CradleLoadResult m -> m
$cfold :: forall m. Monoid m => CradleLoadResult m -> m
Foldable, Functor CradleLoadResult
Foldable CradleLoadResult
forall (t :: * -> *).
Functor t
-> Foldable t
-> (forall (f :: * -> *) a b.
    Applicative f =>
    (a -> f b) -> t a -> f (t b))
-> (forall (f :: * -> *) a. Applicative f => t (f a) -> f (t a))
-> (forall (m :: * -> *) a b.
    Monad m =>
    (a -> m b) -> t a -> m (t b))
-> (forall (m :: * -> *) a. Monad m => t (m a) -> m (t a))
-> Traversable t
forall (m :: * -> *) a.
Monad m =>
CradleLoadResult (m a) -> m (CradleLoadResult a)
forall (f :: * -> *) a.
Applicative f =>
CradleLoadResult (f a) -> f (CradleLoadResult a)
forall (m :: * -> *) a b.
Monad m =>
(a -> m b) -> CradleLoadResult a -> m (CradleLoadResult b)
forall (f :: * -> *) a b.
Applicative f =>
(a -> f b) -> CradleLoadResult a -> f (CradleLoadResult b)
sequence :: forall (m :: * -> *) a.
Monad m =>
CradleLoadResult (m a) -> m (CradleLoadResult a)
$csequence :: forall (m :: * -> *) a.
Monad m =>
CradleLoadResult (m a) -> m (CradleLoadResult a)
mapM :: forall (m :: * -> *) a b.
Monad m =>
(a -> m b) -> CradleLoadResult a -> m (CradleLoadResult b)
$cmapM :: forall (m :: * -> *) a b.
Monad m =>
(a -> m b) -> CradleLoadResult a -> m (CradleLoadResult b)
sequenceA :: forall (f :: * -> *) a.
Applicative f =>
CradleLoadResult (f a) -> f (CradleLoadResult a)
$csequenceA :: forall (f :: * -> *) a.
Applicative f =>
CradleLoadResult (f a) -> f (CradleLoadResult a)
traverse :: forall (f :: * -> *) a b.
Applicative f =>
(a -> f b) -> CradleLoadResult a -> f (CradleLoadResult b)
$ctraverse :: forall (f :: * -> *) a b.
Applicative f =>
(a -> f b) -> CradleLoadResult a -> f (CradleLoadResult b)
Traversable, Int -> CradleLoadResult r -> ShowS
forall r. Show r => Int -> CradleLoadResult r -> ShowS
forall r. Show r => [CradleLoadResult r] -> ShowS
forall r. Show r => CradleLoadResult r -> [Char]
forall a.
(Int -> a -> ShowS) -> (a -> [Char]) -> ([a] -> ShowS) -> Show a
showList :: [CradleLoadResult r] -> ShowS
$cshowList :: forall r. Show r => [CradleLoadResult r] -> ShowS
show :: CradleLoadResult r -> [Char]
$cshow :: forall r. Show r => CradleLoadResult r -> [Char]
showsPrec :: Int -> CradleLoadResult r -> ShowS
$cshowsPrec :: forall r. Show r => Int -> CradleLoadResult r -> ShowS
Show, CradleLoadResult r -> CradleLoadResult r -> Bool
forall r. Eq r => CradleLoadResult r -> CradleLoadResult r -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: CradleLoadResult r -> CradleLoadResult r -> Bool
$c/= :: forall r. Eq r => CradleLoadResult r -> CradleLoadResult r -> Bool
== :: CradleLoadResult r -> CradleLoadResult r -> Bool
$c== :: forall r. Eq r => CradleLoadResult r -> CradleLoadResult r -> Bool
Eq)

cradleLoadResult :: c -> (CradleError -> c) -> (r -> c) -> CradleLoadResult r -> c
cradleLoadResult :: forall c r.
c -> (CradleError -> c) -> (r -> c) -> CradleLoadResult r -> c
cradleLoadResult c
c CradleError -> c
_ r -> c
_ CradleLoadResult r
CradleNone        = c
c
cradleLoadResult c
_ CradleError -> c
f r -> c
_ (CradleFail CradleError
e)    = CradleError -> c
f CradleError
e
cradleLoadResult c
_ CradleError -> c
_ r -> c
f (CradleSuccess r
r) = r -> c
f r
r

instance Applicative CradleLoadResult where
  pure :: forall a. a -> CradleLoadResult a
pure = forall a. a -> CradleLoadResult a
CradleSuccess
  CradleSuccess a -> b
a <*> :: forall a b.
CradleLoadResult (a -> b)
-> CradleLoadResult a -> CradleLoadResult b
<*> CradleSuccess a
b = forall a. a -> CradleLoadResult a
CradleSuccess (a -> b
a a
b)
  CradleFail CradleError
err <*> CradleLoadResult a
_ = forall r. CradleError -> CradleLoadResult r
CradleFail CradleError
err
  CradleLoadResult (a -> b)
_ <*> CradleFail CradleError
err = forall r. CradleError -> CradleLoadResult r
CradleFail CradleError
err
  CradleLoadResult (a -> b)
_ <*> CradleLoadResult a
_ = forall r. CradleLoadResult r
CradleNone

instance Monad CradleLoadResult where
  return :: forall a. a -> CradleLoadResult a
return = forall (f :: * -> *) a. Applicative f => a -> f a
pure
  CradleSuccess a
r >>= :: forall a b.
CradleLoadResult a
-> (a -> CradleLoadResult b) -> CradleLoadResult b
>>= a -> CradleLoadResult b
k = a -> CradleLoadResult b
k a
r
  CradleFail CradleError
err >>= a -> CradleLoadResult b
_ = forall r. CradleError -> CradleLoadResult r
CradleFail CradleError
err
  CradleLoadResult a
CradleNone >>= a -> CradleLoadResult b
_ = forall r. CradleLoadResult r
CradleNone

newtype CradleLoadResultT m a = CradleLoadResultT { forall (m :: * -> *) a.
CradleLoadResultT m a -> m (CradleLoadResult a)
runCradleResultT :: m (CradleLoadResult a) }

instance Functor f => Functor (CradleLoadResultT f) where
  {-# INLINE fmap #-}
  fmap :: forall a b.
(a -> b) -> CradleLoadResultT f a -> CradleLoadResultT f b
fmap a -> b
f = forall (m :: * -> *) a.
m (CradleLoadResult a) -> CradleLoadResultT m a
CradleLoadResultT forall b c a. (b -> c) -> (a -> b) -> a -> c
. (forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap) a -> b
f forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (m :: * -> *) a.
CradleLoadResultT m a -> m (CradleLoadResult a)
runCradleResultT

instance (Monad m, Applicative m) => Applicative (CradleLoadResultT m) where
  {-# INLINE pure #-}
  pure :: forall a. a -> CradleLoadResultT m a
pure = forall (m :: * -> *) a.
m (CradleLoadResult a) -> CradleLoadResultT m a
CradleLoadResultT forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (f :: * -> *) a. Applicative f => a -> f a
pure forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. a -> CradleLoadResult a
CradleSuccess
  {-# INLINE (<*>) #-}
  CradleLoadResultT m (a -> b)
x <*> :: forall a b.
CradleLoadResultT m (a -> b)
-> CradleLoadResultT m a -> CradleLoadResultT m b
<*> CradleLoadResultT m a
f = forall (m :: * -> *) a.
m (CradleLoadResult a) -> CradleLoadResultT m a
CradleLoadResultT forall a b. (a -> b) -> a -> b
$ do
              CradleLoadResult (a -> b)
a <- forall (m :: * -> *) a.
CradleLoadResultT m a -> m (CradleLoadResult a)
runCradleResultT CradleLoadResultT m (a -> b)
x
              case CradleLoadResult (a -> b)
a of
                CradleSuccess a -> b
a' -> do
                  CradleLoadResult a
b <- forall (m :: * -> *) a.
CradleLoadResultT m a -> m (CradleLoadResult a)
runCradleResultT CradleLoadResultT m a
f
                  case CradleLoadResult a
b of
                    CradleSuccess a
b' -> forall (f :: * -> *) a. Applicative f => a -> f a
pure (forall a. a -> CradleLoadResult a
CradleSuccess (a -> b
a' a
b'))
                    CradleFail CradleError
err -> forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a b. (a -> b) -> a -> b
$ forall r. CradleError -> CradleLoadResult r
CradleFail CradleError
err
                    CradleLoadResult a
CradleNone -> forall (f :: * -> *) a. Applicative f => a -> f a
pure forall r. CradleLoadResult r
CradleNone
                CradleFail CradleError
err -> forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a b. (a -> b) -> a -> b
$ forall r. CradleError -> CradleLoadResult r
CradleFail CradleError
err
                CradleLoadResult (a -> b)
CradleNone -> forall (f :: * -> *) a. Applicative f => a -> f a
pure forall r. CradleLoadResult r
CradleNone

instance Monad m => Monad (CradleLoadResultT m) where
  {-# INLINE return #-}
  return :: forall a. a -> CradleLoadResultT m a
return = forall (m :: * -> *) a.
m (CradleLoadResult a) -> CradleLoadResultT m a
CradleLoadResultT forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (m :: * -> *) a. Monad m => a -> m a
return forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. a -> CradleLoadResult a
CradleSuccess
  {-# INLINE (>>=) #-}
  CradleLoadResultT m a
x >>= :: forall a b.
CradleLoadResultT m a
-> (a -> CradleLoadResultT m b) -> CradleLoadResultT m b
>>= a -> CradleLoadResultT m b
f = forall (m :: * -> *) a.
m (CradleLoadResult a) -> CradleLoadResultT m a
CradleLoadResultT forall a b. (a -> b) -> a -> b
$ do
    CradleLoadResult a
val <- forall (m :: * -> *) a.
CradleLoadResultT m a -> m (CradleLoadResult a)
runCradleResultT CradleLoadResultT m a
x
    case CradleLoadResult a
val of
      CradleSuccess a
r -> forall (m :: * -> *) a.
CradleLoadResultT m a -> m (CradleLoadResult a)
runCradleResultT forall b c a. (b -> c) -> (a -> b) -> a -> c
. a -> CradleLoadResultT m b
f forall a b. (a -> b) -> a -> b
$ a
r
      CradleFail CradleError
err -> forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ forall r. CradleError -> CradleLoadResult r
CradleFail CradleError
err
      CradleLoadResult a
CradleNone -> forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ forall r. CradleLoadResult r
CradleNone
#if !(MIN_VERSION_base(4,13,0))
  fail = CradleLoadResultT . fail
  {-# INLINE fail #-}
#endif
#if MIN_VERSION_base(4,9,0)
instance Fail.MonadFail m => Fail.MonadFail (CradleLoadResultT m) where
  fail :: forall a. [Char] -> CradleLoadResultT m a
fail = forall (m :: * -> *) a.
m (CradleLoadResult a) -> CradleLoadResultT m a
CradleLoadResultT forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (m :: * -> *) a. MonadFail m => [Char] -> m a
Fail.fail
  {-# INLINE fail #-}
#endif

instance MonadTrans CradleLoadResultT where
    lift :: forall (m :: * -> *) a. Monad m => m a -> CradleLoadResultT m a
lift = forall (m :: * -> *) a.
m (CradleLoadResult a) -> CradleLoadResultT m a
CradleLoadResultT forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap forall a. a -> CradleLoadResult a
CradleSuccess
    {-# INLINE lift #-}

instance (MonadIO m) => MonadIO (CradleLoadResultT m) where
    liftIO :: forall a. IO a -> CradleLoadResultT m a
liftIO = forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO
    {-# INLINE liftIO #-}

modCradleError :: Monad m => CradleLoadResultT m a -> (CradleError -> m CradleError) -> CradleLoadResultT m a
modCradleError :: forall (m :: * -> *) a.
Monad m =>
CradleLoadResultT m a
-> (CradleError -> m CradleError) -> CradleLoadResultT m a
modCradleError CradleLoadResultT m a
action CradleError -> m CradleError
f = forall (m :: * -> *) a.
m (CradleLoadResult a) -> CradleLoadResultT m a
CradleLoadResultT forall a b. (a -> b) -> a -> b
$ do
  CradleLoadResult a
a <- forall (m :: * -> *) a.
CradleLoadResultT m a -> m (CradleLoadResult a)
runCradleResultT CradleLoadResultT m a
action
  case CradleLoadResult a
a of
    CradleFail CradleError
err -> forall r. CradleError -> CradleLoadResult r
CradleFail forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> CradleError -> m CradleError
f CradleError
err
    CradleLoadResult a
_ -> forall (f :: * -> *) a. Applicative f => a -> f a
pure CradleLoadResult a
a

throwCE :: Monad m => CradleError -> CradleLoadResultT m a
throwCE :: forall (m :: * -> *) a.
Monad m =>
CradleError -> CradleLoadResultT m a
throwCE = forall (m :: * -> *) a.
m (CradleLoadResult a) -> CradleLoadResultT m a
CradleLoadResultT forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (m :: * -> *) a. Monad m => a -> m a
return forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall r. CradleError -> CradleLoadResult r
CradleFail

data CradleError = CradleError
  { CradleError -> [[Char]]
cradleErrorDependencies :: [FilePath]
  -- ^ Dependencies of the cradle that failed to load.
  -- Can be watched for changes to attempt a reload of the cradle.
  , CradleError -> ExitCode
cradleErrorExitCode :: ExitCode
  -- ^ ExitCode of the cradle loading mechanism.
  , CradleError -> [[Char]]
cradleErrorStderr :: [String]
  -- ^ Standard error output that can be shown to users to explain
  -- the loading error.
  }
  deriving (Int -> CradleError -> ShowS
[CradleError] -> ShowS
CradleError -> [Char]
forall a.
(Int -> a -> ShowS) -> (a -> [Char]) -> ([a] -> ShowS) -> Show a
showList :: [CradleError] -> ShowS
$cshowList :: [CradleError] -> ShowS
show :: CradleError -> [Char]
$cshow :: CradleError -> [Char]
showsPrec :: Int -> CradleError -> ShowS
$cshowsPrec :: Int -> CradleError -> ShowS
Show, CradleError -> CradleError -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: CradleError -> CradleError -> Bool
$c/= :: CradleError -> CradleError -> Bool
== :: CradleError -> CradleError -> Bool
$c== :: CradleError -> CradleError -> Bool
Eq)

instance Exception CradleError where
----------------------------------------------------------------

-- | Option information for GHC
data ComponentOptions = ComponentOptions {
    ComponentOptions -> [[Char]]
componentOptions  :: [String]  -- ^ Command line options.
  , ComponentOptions -> [Char]
componentRoot :: FilePath
  -- ^ Root directory of the component. All 'componentOptions' are either
  -- absolute, or relative to this directory.
  , ComponentOptions -> [[Char]]
componentDependencies :: [FilePath]
  -- ^ Dependencies of a cradle that might change the cradle.
  -- Contains both files specified in hie.yaml as well as
  -- specified by the build-tool if there is any.
  -- FilePaths are expected to be relative to the `cradleRootDir`
  -- to which this CradleAction belongs to.
  -- Files returned by this action might not actually exist.
  -- This is useful, because, sometimes, adding specific files
  -- changes the options that a Cradle may return, thus, needs reload
  -- as soon as these files are created.
  } deriving (ComponentOptions -> ComponentOptions -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: ComponentOptions -> ComponentOptions -> Bool
$c/= :: ComponentOptions -> ComponentOptions -> Bool
== :: ComponentOptions -> ComponentOptions -> Bool
$c== :: ComponentOptions -> ComponentOptions -> Bool
Eq, Eq ComponentOptions
ComponentOptions -> ComponentOptions -> Bool
ComponentOptions -> ComponentOptions -> Ordering
ComponentOptions -> ComponentOptions -> ComponentOptions
forall a.
Eq a
-> (a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
min :: ComponentOptions -> ComponentOptions -> ComponentOptions
$cmin :: ComponentOptions -> ComponentOptions -> ComponentOptions
max :: ComponentOptions -> ComponentOptions -> ComponentOptions
$cmax :: ComponentOptions -> ComponentOptions -> ComponentOptions
>= :: ComponentOptions -> ComponentOptions -> Bool
$c>= :: ComponentOptions -> ComponentOptions -> Bool
> :: ComponentOptions -> ComponentOptions -> Bool
$c> :: ComponentOptions -> ComponentOptions -> Bool
<= :: ComponentOptions -> ComponentOptions -> Bool
$c<= :: ComponentOptions -> ComponentOptions -> Bool
< :: ComponentOptions -> ComponentOptions -> Bool
$c< :: ComponentOptions -> ComponentOptions -> Bool
compare :: ComponentOptions -> ComponentOptions -> Ordering
$ccompare :: ComponentOptions -> ComponentOptions -> Ordering
Ord, Int -> ComponentOptions -> ShowS
[ComponentOptions] -> ShowS
ComponentOptions -> [Char]
forall a.
(Int -> a -> ShowS) -> (a -> [Char]) -> ([a] -> ShowS) -> Show a
showList :: [ComponentOptions] -> ShowS
$cshowList :: [ComponentOptions] -> ShowS
show :: ComponentOptions -> [Char]
$cshow :: ComponentOptions -> [Char]
showsPrec :: Int -> ComponentOptions -> ShowS
$cshowsPrec :: Int -> ComponentOptions -> ShowS
Show)


-- ------------------------------------------------

-- | Prettify 'CmdSpec', so we can show the command to a user
prettyCmdSpec :: CmdSpec -> String
prettyCmdSpec :: CmdSpec -> [Char]
prettyCmdSpec (ShellCommand [Char]
s) = [Char]
s
prettyCmdSpec (RawCommand [Char]
cmd [[Char]]
args) = [Char]
cmd forall a. [a] -> [a] -> [a]
++ [Char]
" " forall a. [a] -> [a] -> [a]
++ [[Char]] -> [Char]
unwords [[Char]]
args

-- | Pretty print hie-bios's relevant environment variables.
prettyProcessEnv :: CreateProcess -> [String]
prettyProcessEnv :: CreateProcess -> [[Char]]
prettyProcessEnv CreateProcess
p =
  [ [Char]
key forall a. Semigroup a => a -> a -> a
<> [Char]
": " forall a. Semigroup a => a -> a -> a
<> [Char]
value
  | ([Char]
key, [Char]
value) <- forall a. a -> Maybe a -> a
fromMaybe [] (CreateProcess -> Maybe [([Char], [Char])]
env CreateProcess
p)
  , [Char]
key forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [ [Char]
hie_bios_output
               , [Char]
hie_bios_ghc
               , [Char]
hie_bios_ghc_args
               , [Char]
hie_bios_arg
               , [Char]
hie_bios_deps
               ]
  ]