{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE MultiWayIf #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TypeApplications #-}

module Distribution.Simple.Program.GHC
  ( GhcOptions (..)
  , GhcMode (..)
  , GhcOptimisation (..)
  , GhcDynLinkMode (..)
  , GhcProfAuto (..)
  , ghcInvocation
  , renderGhcOptions
  , runGHC
  , packageDbArgsDb
  , normaliseGhcArgs
  ) where

import Distribution.Compat.Prelude
import Prelude ()

import Distribution.Backpack
import Distribution.Compat.Semigroup (First' (..), Last' (..), Option' (..))
import Distribution.ModuleName
import Distribution.PackageDescription
import Distribution.Pretty
import Distribution.Simple.Compiler
import Distribution.Simple.Flag
import Distribution.Simple.GHC.ImplInfo
import Distribution.Simple.Program.Find (getExtraPathEnv)
import Distribution.Simple.Program.Run
import Distribution.Simple.Program.Types
import Distribution.System
import Distribution.Types.ComponentId
import Distribution.Types.ParStrat
import Distribution.Utils.NubList
import Distribution.Utils.Path
import Distribution.Verbosity
import Distribution.Version

import Language.Haskell.Extension

import Data.List (stripPrefix)
import qualified Data.Map as Map
import Data.Monoid (All (..), Any (..), Endo (..))
import qualified Data.Set as Set

normaliseGhcArgs :: Maybe Version -> PackageDescription -> [String] -> [String]
normaliseGhcArgs :: Maybe Version -> PackageDescription -> [String] -> [String]
normaliseGhcArgs (Just Version
ghcVersion) PackageDescription{[(String, String)]
[(CompilerFlavor, VersionRange)]
[SourceRepo]
[RelativePath DataDir 'File]
[RelativePath Pkg 'File]
[TestSuite]
[Library]
[ForeignLib]
[Executable]
[Benchmark]
Maybe BuildType
Maybe SetupBuildInfo
Maybe Library
Either License License
ShortText
CabalSpecVersion
SymbolicPath Pkg ('Dir DataDir)
PackageIdentifier
specVersion :: CabalSpecVersion
package :: PackageIdentifier
licenseRaw :: Either License License
licenseFiles :: [RelativePath Pkg 'File]
copyright :: ShortText
maintainer :: ShortText
author :: ShortText
stability :: ShortText
testedWith :: [(CompilerFlavor, VersionRange)]
homepage :: ShortText
pkgUrl :: ShortText
bugReports :: ShortText
sourceRepos :: [SourceRepo]
synopsis :: ShortText
description :: ShortText
category :: ShortText
customFieldsPD :: [(String, String)]
buildTypeRaw :: Maybe BuildType
setupBuildInfo :: Maybe SetupBuildInfo
library :: Maybe Library
subLibraries :: [Library]
executables :: [Executable]
foreignLibs :: [ForeignLib]
testSuites :: [TestSuite]
benchmarks :: [Benchmark]
dataFiles :: [RelativePath DataDir 'File]
dataDir :: SymbolicPath Pkg ('Dir DataDir)
extraSrcFiles :: [RelativePath Pkg 'File]
extraTmpFiles :: [RelativePath Pkg 'File]
extraDocFiles :: [RelativePath Pkg 'File]
extraFiles :: [RelativePath Pkg 'File]
extraFiles :: PackageDescription -> [RelativePath Pkg 'File]
extraDocFiles :: PackageDescription -> [RelativePath Pkg 'File]
extraTmpFiles :: PackageDescription -> [RelativePath Pkg 'File]
extraSrcFiles :: PackageDescription -> [RelativePath Pkg 'File]
dataDir :: PackageDescription -> SymbolicPath Pkg ('Dir DataDir)
dataFiles :: PackageDescription -> [RelativePath DataDir 'File]
benchmarks :: PackageDescription -> [Benchmark]
testSuites :: PackageDescription -> [TestSuite]
foreignLibs :: PackageDescription -> [ForeignLib]
executables :: PackageDescription -> [Executable]
subLibraries :: PackageDescription -> [Library]
library :: PackageDescription -> Maybe Library
setupBuildInfo :: PackageDescription -> Maybe SetupBuildInfo
buildTypeRaw :: PackageDescription -> Maybe BuildType
customFieldsPD :: PackageDescription -> [(String, String)]
category :: PackageDescription -> ShortText
description :: PackageDescription -> ShortText
synopsis :: PackageDescription -> ShortText
sourceRepos :: PackageDescription -> [SourceRepo]
bugReports :: PackageDescription -> ShortText
pkgUrl :: PackageDescription -> ShortText
homepage :: PackageDescription -> ShortText
testedWith :: PackageDescription -> [(CompilerFlavor, VersionRange)]
stability :: PackageDescription -> ShortText
author :: PackageDescription -> ShortText
maintainer :: PackageDescription -> ShortText
copyright :: PackageDescription -> ShortText
licenseFiles :: PackageDescription -> [RelativePath Pkg 'File]
licenseRaw :: PackageDescription -> Either License License
package :: PackageDescription -> PackageIdentifier
specVersion :: PackageDescription -> CabalSpecVersion
..} [String]
ghcArgs
  | Version
ghcVersion Version -> VersionRange -> Bool
`withinRange` VersionRange
supportedGHCVersions =
      [String] -> [String]
argumentFilters ([String] -> [String])
-> ([String] -> [String]) -> [String] -> [String]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (String -> Bool) -> [String] -> [String]
forall a. (a -> Bool) -> [a] -> [a]
filter String -> Bool
simpleFilters ([String] -> [String])
-> ([String] -> [String]) -> [String] -> [String]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [String] -> [String]
filterRtsOpts ([String] -> [String]) -> [String] -> [String]
forall a b. (a -> b) -> a -> b
$ [String]
ghcArgs
  where
    supportedGHCVersions :: VersionRange
    supportedGHCVersions :: VersionRange
supportedGHCVersions = Version -> VersionRange
orLaterVersion ([Int] -> Version
mkVersion [Int
8, Int
0])
    -- we (weakly) support unknown future GHC versions for the purpose
    -- of filtering GHC arguments

    from :: Monoid m => [Int] -> m -> m
    from :: forall m. Monoid m => [Int] -> m -> m
from [Int]
version m
flags
      | Version
ghcVersion Version -> VersionRange -> Bool
`withinRange` Version -> VersionRange
orLaterVersion ([Int] -> Version
mkVersion [Int]
version) = m
flags
      | Bool
otherwise = m
forall a. Monoid a => a
mempty

    to :: Monoid m => [Int] -> m -> m
    to :: forall m. Monoid m => [Int] -> m -> m
to [Int]
version m
flags
      | Version
ghcVersion Version -> VersionRange -> Bool
`withinRange` Version -> VersionRange
earlierVersion ([Int] -> Version
mkVersion [Int]
version) = m
flags
      | Bool
otherwise = m
forall a. Monoid a => a
mempty

    checkGhcFlags :: forall m. Monoid m => ([String] -> m) -> m
    checkGhcFlags :: forall m. Monoid m => ([String] -> m) -> m
checkGhcFlags [String] -> m
fun =
      [m] -> m
forall a. Monoid a => [a] -> a
mconcat
        [ [String] -> m
fun [String]
ghcArgs
        , (Library -> BuildInfo) -> [Library] -> m
forall a. (a -> BuildInfo) -> [a] -> m
checkComponentFlags Library -> BuildInfo
libBuildInfo [Library]
pkgLibs
        , (Executable -> BuildInfo) -> [Executable] -> m
forall a. (a -> BuildInfo) -> [a] -> m
checkComponentFlags Executable -> BuildInfo
buildInfo [Executable]
executables
        , (TestSuite -> BuildInfo) -> [TestSuite] -> m
forall a. (a -> BuildInfo) -> [a] -> m
checkComponentFlags TestSuite -> BuildInfo
testBuildInfo [TestSuite]
testSuites
        , (Benchmark -> BuildInfo) -> [Benchmark] -> m
forall a. (a -> BuildInfo) -> [a] -> m
checkComponentFlags Benchmark -> BuildInfo
benchmarkBuildInfo [Benchmark]
benchmarks
        ]
      where
        pkgLibs :: [Library]
pkgLibs = Maybe Library -> [Library]
forall a. Maybe a -> [a]
maybeToList Maybe Library
library [Library] -> [Library] -> [Library]
forall a. [a] -> [a] -> [a]
++ [Library]
subLibraries

        checkComponentFlags :: (a -> BuildInfo) -> [a] -> m
        checkComponentFlags :: forall a. (a -> BuildInfo) -> [a] -> m
checkComponentFlags a -> BuildInfo
getInfo = (a -> m) -> [a] -> m
forall m a. Monoid m => (a -> m) -> [a] -> m
forall (t :: * -> *) m a.
(Foldable t, Monoid m) =>
(a -> m) -> t a -> m
foldMap (BuildInfo -> m
checkComponent (BuildInfo -> m) -> (a -> BuildInfo) -> a -> m
forall b c a. (b -> c) -> (a -> b) -> a -> c
. a -> BuildInfo
getInfo)
          where
            checkComponent :: BuildInfo -> m
            checkComponent :: BuildInfo -> m
checkComponent = ([String] -> m) -> [[String]] -> m
forall m a. Monoid m => (a -> m) -> [a] -> m
forall (t :: * -> *) m a.
(Foldable t, Monoid m) =>
(a -> m) -> t a -> m
foldMap [String] -> m
fun ([[String]] -> m) -> (BuildInfo -> [[String]]) -> BuildInfo -> m
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [(CompilerFlavor, [String])] -> [[String]]
filterGhcOptions ([(CompilerFlavor, [String])] -> [[String]])
-> (BuildInfo -> [(CompilerFlavor, [String])])
-> BuildInfo
-> [[String]]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. BuildInfo -> [(CompilerFlavor, [String])]
allGhcOptions

            allGhcOptions :: BuildInfo -> [(CompilerFlavor, [String])]
            allGhcOptions :: BuildInfo -> [(CompilerFlavor, [String])]
allGhcOptions =
              ((BuildInfo -> PerCompilerFlavor [String])
 -> BuildInfo -> [(CompilerFlavor, [String])])
-> [BuildInfo -> PerCompilerFlavor [String]]
-> BuildInfo
-> [(CompilerFlavor, [String])]
forall m a. Monoid m => (a -> m) -> [a] -> m
forall (t :: * -> *) m a.
(Foldable t, Monoid m) =>
(a -> m) -> t a -> m
foldMap
                (PerCompilerFlavor [String] -> [(CompilerFlavor, [String])]
forall v. PerCompilerFlavor v -> [(CompilerFlavor, v)]
perCompilerFlavorToList (PerCompilerFlavor [String] -> [(CompilerFlavor, [String])])
-> (BuildInfo -> PerCompilerFlavor [String])
-> BuildInfo
-> [(CompilerFlavor, [String])]
forall b c a. (b -> c) -> (a -> b) -> a -> c
.)
                [BuildInfo -> PerCompilerFlavor [String]
options, BuildInfo -> PerCompilerFlavor [String]
profOptions, BuildInfo -> PerCompilerFlavor [String]
sharedOptions, BuildInfo -> PerCompilerFlavor [String]
staticOptions]

            filterGhcOptions :: [(CompilerFlavor, [String])] -> [[String]]
            filterGhcOptions :: [(CompilerFlavor, [String])] -> [[String]]
filterGhcOptions [(CompilerFlavor, [String])]
l = [[String]
opts | (CompilerFlavor
GHC, [String]
opts) <- [(CompilerFlavor, [String])]
l]

    safeToFilterWarnings :: Bool
    safeToFilterWarnings :: Bool
safeToFilterWarnings = All -> Bool
getAll (All -> Bool) -> All -> Bool
forall a b. (a -> b) -> a -> b
$ ([String] -> All) -> All
forall m. Monoid m => ([String] -> m) -> m
checkGhcFlags [String] -> All
checkWarnings
      where
        checkWarnings :: [String] -> All
        checkWarnings :: [String] -> All
checkWarnings = Bool -> All
All (Bool -> All) -> ([String] -> Bool) -> [String] -> All
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Set String -> Bool
forall a. Set a -> Bool
Set.null (Set String -> Bool)
-> ([String] -> Set String) -> [String] -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (String -> Set String -> Set String)
-> Set String -> [String] -> Set String
forall a b. (a -> b -> b) -> b -> [a] -> b
forall (t :: * -> *) a b.
Foldable t =>
(a -> b -> b) -> b -> t a -> b
foldr String -> Set String -> Set String
alter Set String
forall a. Set a
Set.empty

        alter :: String -> Set String -> Set String
        alter :: String -> Set String -> Set String
alter String
flag =
          Endo (Set String) -> Set String -> Set String
forall a. Endo a -> a -> a
appEndo (Endo (Set String) -> Set String -> Set String)
-> Endo (Set String) -> Set String -> Set String
forall a b. (a -> b) -> a -> b
$
            [String -> Endo (Set String)] -> String -> Endo (Set String)
forall a. Monoid a => [a] -> a
mconcat
              [ \String
s -> (Set String -> Set String) -> Endo (Set String)
forall a. (a -> a) -> Endo a
Endo ((Set String -> Set String) -> Endo (Set String))
-> (Set String -> Set String) -> Endo (Set String)
forall a b. (a -> b) -> a -> b
$ if String
s String -> String -> Bool
forall a. Eq a => a -> a -> Bool
== String
"-Werror" then String -> Set String -> Set String
forall a. Ord a => a -> Set a -> Set a
Set.insert String
s else Set String -> Set String
forall a. a -> a
id
              , \String
s -> (Set String -> Set String) -> Endo (Set String)
forall a. (a -> a) -> Endo a
Endo ((Set String -> Set String) -> Endo (Set String))
-> (Set String -> Set String) -> Endo (Set String)
forall a b. (a -> b) -> a -> b
$ if String
s String -> String -> Bool
forall a. Eq a => a -> a -> Bool
== String
"-Wwarn" then Set String -> Set String -> Set String
forall a b. a -> b -> a
const Set String
forall a. Set a
Set.empty else Set String -> Set String
forall a. a -> a
id
              , \String
s ->
                  [Int] -> Endo (Set String) -> Endo (Set String)
forall m. Monoid m => [Int] -> m -> m
from [Int
8, Int
6] (Endo (Set String) -> Endo (Set String))
-> ((Set String -> Set String) -> Endo (Set String))
-> (Set String -> Set String)
-> Endo (Set String)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (Set String -> Set String) -> Endo (Set String)
forall a. (a -> a) -> Endo a
Endo ((Set String -> Set String) -> Endo (Set String))
-> (Set String -> Set String) -> Endo (Set String)
forall a b. (a -> b) -> a -> b
$
                    if String
s String -> String -> Bool
forall a. Eq a => a -> a -> Bool
== String
"-Werror=compat"
                      then Set String -> Set String -> Set String
forall a. Ord a => Set a -> Set a -> Set a
Set.union Set String
compatWarningSet
                      else Set String -> Set String
forall a. a -> a
id
              , \String
s ->
                  [Int] -> Endo (Set String) -> Endo (Set String)
forall m. Monoid m => [Int] -> m -> m
from [Int
8, Int
6] (Endo (Set String) -> Endo (Set String))
-> ((Set String -> Set String) -> Endo (Set String))
-> (Set String -> Set String)
-> Endo (Set String)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (Set String -> Set String) -> Endo (Set String)
forall a. (a -> a) -> Endo a
Endo ((Set String -> Set String) -> Endo (Set String))
-> (Set String -> Set String) -> Endo (Set String)
forall a b. (a -> b) -> a -> b
$
                    if String
s String -> String -> Bool
forall a. Eq a => a -> a -> Bool
== String
"-Wno-error=compat"
                      then (Set String -> Set String -> Set String
forall a. Ord a => Set a -> Set a -> Set a
`Set.difference` Set String
compatWarningSet)
                      else Set String -> Set String
forall a. a -> a
id
              , \String
s ->
                  [Int] -> Endo (Set String) -> Endo (Set String)
forall m. Monoid m => [Int] -> m -> m
from [Int
8, Int
6] (Endo (Set String) -> Endo (Set String))
-> ((Set String -> Set String) -> Endo (Set String))
-> (Set String -> Set String)
-> Endo (Set String)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (Set String -> Set String) -> Endo (Set String)
forall a. (a -> a) -> Endo a
Endo ((Set String -> Set String) -> Endo (Set String))
-> (Set String -> Set String) -> Endo (Set String)
forall a b. (a -> b) -> a -> b
$
                    if String
s String -> String -> Bool
forall a. Eq a => a -> a -> Bool
== String
"-Wwarn=compat"
                      then (Set String -> Set String -> Set String
forall a. Ord a => Set a -> Set a -> Set a
`Set.difference` Set String
compatWarningSet)
                      else Set String -> Set String
forall a. a -> a
id
              , [Int]
-> (String -> Endo (Set String)) -> String -> Endo (Set String)
forall m. Monoid m => [Int] -> m -> m
from [Int
8, Int
4] ((String -> Endo (Set String)) -> String -> Endo (Set String))
-> (String -> Endo (Set String)) -> String -> Endo (Set String)
forall a b. (a -> b) -> a -> b
$ String
-> (String -> Set String -> Set String)
-> String
-> Endo (Set String)
markFlag String
"-Werror=" String -> Set String -> Set String
forall a. Ord a => a -> Set a -> Set a
Set.insert
              , [Int]
-> (String -> Endo (Set String)) -> String -> Endo (Set String)
forall m. Monoid m => [Int] -> m -> m
from [Int
8, Int
4] ((String -> Endo (Set String)) -> String -> Endo (Set String))
-> (String -> Endo (Set String)) -> String -> Endo (Set String)
forall a b. (a -> b) -> a -> b
$ String
-> (String -> Set String -> Set String)
-> String
-> Endo (Set String)
markFlag String
"-Wwarn=" String -> Set String -> Set String
forall a. Ord a => a -> Set a -> Set a
Set.delete
              , [Int]
-> (String -> Endo (Set String)) -> String -> Endo (Set String)
forall m. Monoid m => [Int] -> m -> m
from [Int
8, Int
4] ((String -> Endo (Set String)) -> String -> Endo (Set String))
-> (String -> Endo (Set String)) -> String -> Endo (Set String)
forall a b. (a -> b) -> a -> b
$ String
-> (String -> Set String -> Set String)
-> String
-> Endo (Set String)
markFlag String
"-Wno-error=" String -> Set String -> Set String
forall a. Ord a => a -> Set a -> Set a
Set.delete
              ]
              String
flag

        markFlag
          :: String
          -> (String -> Set String -> Set String)
          -> String
          -> Endo (Set String)
        markFlag :: String
-> (String -> Set String -> Set String)
-> String
-> Endo (Set String)
markFlag String
name String -> Set String -> Set String
update String
flag = (Set String -> Set String) -> Endo (Set String)
forall a. (a -> a) -> Endo a
Endo ((Set String -> Set String) -> Endo (Set String))
-> (Set String -> Set String) -> Endo (Set String)
forall a b. (a -> b) -> a -> b
$ case String -> String -> Maybe String
forall a. Eq a => [a] -> [a] -> Maybe [a]
stripPrefix String
name String
flag of
          Just String
rest | Bool -> Bool
not (String -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null String
rest) Bool -> Bool -> Bool
&& String
rest String -> String -> Bool
forall a. Eq a => a -> a -> Bool
/= String
"compat" -> String -> Set String -> Set String
update String
rest
          Maybe String
_ -> Set String -> Set String
forall a. a -> a
id

    flagArgumentFilter :: [String] -> [String] -> [String]
    flagArgumentFilter :: [String] -> [String] -> [String]
flagArgumentFilter [String]
flags = [String] -> [String]
go
      where
        makeFilter :: String -> String -> Option' (First' ([String] -> [String]))
        makeFilter :: String -> String -> Option' (First' ([String] -> [String]))
makeFilter String
flag String
arg = Maybe (First' ([String] -> [String]))
-> Option' (First' ([String] -> [String]))
forall a. Maybe a -> Option' a
Option' (Maybe (First' ([String] -> [String]))
 -> Option' (First' ([String] -> [String])))
-> Maybe (First' ([String] -> [String]))
-> Option' (First' ([String] -> [String]))
forall a b. (a -> b) -> a -> b
$ ([String] -> [String]) -> First' ([String] -> [String])
forall a. a -> First' a
First' (([String] -> [String]) -> First' ([String] -> [String]))
-> (String -> [String] -> [String])
-> String
-> First' ([String] -> [String])
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> [String] -> [String]
forall {a}. String -> [a] -> [a]
filterRest (String -> First' ([String] -> [String]))
-> Maybe String -> Maybe (First' ([String] -> [String]))
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> String -> String -> Maybe String
forall a. Eq a => [a] -> [a] -> Maybe [a]
stripPrefix String
flag String
arg
          where
            filterRest :: String -> [a] -> [a]
filterRest String
leftOver = case String -> String
dropEq String
leftOver of
              [] -> Int -> [a] -> [a]
forall a. Int -> [a] -> [a]
drop Int
1
              String
_ -> [a] -> [a]
forall a. a -> a
id

        checkFilter :: String -> Maybe ([String] -> [String])
        checkFilter :: String -> Maybe ([String] -> [String])
checkFilter = (First' ([String] -> [String]) -> [String] -> [String])
-> Maybe (First' ([String] -> [String]))
-> Maybe ([String] -> [String])
forall a b. (a -> b) -> Maybe a -> Maybe b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap First' ([String] -> [String]) -> [String] -> [String]
forall a. First' a -> a
getFirst' (Maybe (First' ([String] -> [String]))
 -> Maybe ([String] -> [String]))
-> (String -> Maybe (First' ([String] -> [String])))
-> String
-> Maybe ([String] -> [String])
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Option' (First' ([String] -> [String]))
-> Maybe (First' ([String] -> [String]))
forall a. Option' a -> Maybe a
getOption' (Option' (First' ([String] -> [String]))
 -> Maybe (First' ([String] -> [String])))
-> (String -> Option' (First' ([String] -> [String])))
-> String
-> Maybe (First' ([String] -> [String]))
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (String -> String -> Option' (First' ([String] -> [String])))
-> [String] -> String -> Option' (First' ([String] -> [String]))
forall m a. Monoid m => (a -> m) -> [a] -> m
forall (t :: * -> *) m a.
(Foldable t, Monoid m) =>
(a -> m) -> t a -> m
foldMap String -> String -> Option' (First' ([String] -> [String]))
makeFilter [String]
flags

        go :: [String] -> [String]
        go :: [String] -> [String]
go [] = []
        go (String
arg : [String]
args) = case String -> Maybe ([String] -> [String])
checkFilter String
arg of
          Just [String] -> [String]
f -> [String] -> [String]
go ([String] -> [String]
f [String]
args)
          Maybe ([String] -> [String])
Nothing -> String
arg String -> [String] -> [String]
forall a. a -> [a] -> [a]
: [String] -> [String]
go [String]
args

    argumentFilters :: [String] -> [String]
    argumentFilters :: [String] -> [String]
argumentFilters =
      [String] -> [String] -> [String]
flagArgumentFilter
        [String
"-ghci-script", String
"-H", String
"-interactive-print"]

    filterRtsOpts :: [String] -> [String]
    filterRtsOpts :: [String] -> [String]
filterRtsOpts = Bool -> [String] -> [String]
go Bool
False
      where
        go :: Bool -> [String] -> [String]
        go :: Bool -> [String] -> [String]
go Bool
_ [] = []
        go Bool
_ (String
"+RTS" : [String]
opts) = Bool -> [String] -> [String]
go Bool
True [String]
opts
        go Bool
_ (String
"-RTS" : [String]
opts) = Bool -> [String] -> [String]
go Bool
False [String]
opts
        go Bool
isRTSopts (String
opt : [String]
opts) = [String] -> [String]
addOpt ([String] -> [String]) -> [String] -> [String]
forall a b. (a -> b) -> a -> b
$ Bool -> [String] -> [String]
go Bool
isRTSopts [String]
opts
          where
            addOpt :: [String] -> [String]
addOpt
              | Bool
isRTSopts = [String] -> [String]
forall a. a -> a
id
              | Bool
otherwise = (String
opt String -> [String] -> [String]
forall a. a -> [a] -> [a]
:)

    simpleFilters :: String -> Bool
    simpleFilters :: String -> Bool
simpleFilters =
      Bool -> Bool
not
        (Bool -> Bool) -> (String -> Bool) -> String -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Any -> Bool
getAny
        (Any -> Bool) -> (String -> Any) -> String -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [String -> Any] -> String -> Any
forall a. Monoid a => [a] -> a
mconcat
          [ Set String -> String -> Any
flagIn Set String
simpleFlags
          , Bool -> Any
Any (Bool -> Any) -> (String -> Bool) -> String -> Any
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> String -> Bool
forall a. Eq a => [a] -> [a] -> Bool
isPrefixOf String
"-ddump-"
          , Bool -> Any
Any (Bool -> Any) -> (String -> Bool) -> String -> Any
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> String -> Bool
forall a. Eq a => [a] -> [a] -> Bool
isPrefixOf String
"-dsuppress-"
          , Bool -> Any
Any (Bool -> Any) -> (String -> Bool) -> String -> Any
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> String -> Bool
forall a. Eq a => [a] -> [a] -> Bool
isPrefixOf String
"-dno-suppress-"
          , Set String -> String -> Any
flagIn (Set String -> String -> Any) -> Set String -> String -> Any
forall a b. (a -> b) -> a -> b
$ String -> [String] -> Set String
invertibleFlagSet String
"-" [String
"ignore-dot-ghci"]
          , Set String -> String -> Any
flagIn (Set String -> String -> Any)
-> ([[String]] -> Set String) -> [[String]] -> String -> Any
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> [String] -> Set String
invertibleFlagSet String
"-f" ([String] -> Set String)
-> ([[String]] -> [String]) -> [[String]] -> Set String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [[String]] -> [String]
forall a. Monoid a => [a] -> a
mconcat ([[String]] -> String -> Any) -> [[String]] -> String -> Any
forall a b. (a -> b) -> a -> b
$
              [
                [ String
"reverse-errors"
                , String
"warn-unused-binds"
                , String
"break-on-error"
                , String
"break-on-exception"
                , String
"print-bind-result"
                , String
"print-bind-contents"
                , String
"print-evld-with-show"
                , String
"implicit-import-qualified"
                , String
"error-spans"
                ]
              , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from
                  [Int
7, Int
8]
                  [ String
"print-explicit-foralls" -- maybe also earlier, but GHC-7.6 doesn't have --show-options
                  , String
"print-explicit-kinds"
                  ]
              , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from
                  [Int
8, Int
0]
                  [ String
"print-explicit-coercions"
                  , String
"print-explicit-runtime-reps"
                  , String
"print-equality-relations"
                  , String
"print-unicode-syntax"
                  , String
"print-expanded-synonyms"
                  , String
"print-potential-instances"
                  , String
"print-typechecker-elaboration"
                  ]
              , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from
                  [Int
8, Int
2]
                  [ String
"diagnostics-show-caret"
                  , String
"local-ghci-history"
                  , String
"show-warning-groups"
                  , String
"hide-source-paths"
                  , String
"show-hole-constraints"
                  ]
              , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from [Int
8, Int
4] [String
"show-loaded-modules"]
              , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from [Int
8, Int
6] [String
"ghci-leak-check", String
"no-it"]
              , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from
                  [Int
8, Int
10]
                  [ String
"defer-diagnostics" -- affects printing of diagnostics
                  , String
"keep-going" -- try harder, the build will still fail if it's erroneous
                  , String
"print-axiom-incomps" -- print more debug info for closed type families
                  ]
              , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from
                  [Int
9, Int
2]
                  [ String
"family-application-cache"
                  ]
              , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from
                  [Int
9, Int
6]
                  [ String
"print-redundant-promotion-ticks"
                  , String
"show-error-context"
                  ]
              , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from
                  [Int
9, Int
8]
                  [ String
"unoptimized-core-for-interpreter"
                  ]
              , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from
                  [Int
9, Int
10]
                  [ String
"diagnostics-as-json"
                  , String
"print-error-index-links"
                  , String
"break-points"
                  ]
              ]
          , Set String -> String -> Any
flagIn (Set String -> String -> Any) -> Set String -> String -> Any
forall a b. (a -> b) -> a -> b
$ String -> [String] -> Set String
invertibleFlagSet String
"-d" [String
"ppr-case-as-let", String
"ppr-ticks"]
          , String -> Any
isOptIntFlag
          , String -> Any
isIntFlag
          , if Bool
safeToFilterWarnings
              then String -> Any
isWarning (String -> Any) -> (String -> Any) -> String -> Any
forall a. Semigroup a => a -> a -> a
<> (Bool -> Any
Any (Bool -> Any) -> (String -> Bool) -> String -> Any
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (String
"-w" String -> String -> Bool
forall a. Eq a => a -> a -> Bool
==))
              else String -> Any
forall a. Monoid a => a
mempty
          , [Int] -> (String -> Any) -> String -> Any
forall m. Monoid m => [Int] -> m -> m
from [Int
8, Int
6] ((String -> Any) -> String -> Any)
-> (String -> Any) -> String -> Any
forall a b. (a -> b) -> a -> b
$
              if Bool
safeToFilterHoles
                then String -> Any
isTypedHoleFlag
                else String -> Any
forall a. Monoid a => a
mempty
          ]

    flagIn :: Set String -> String -> Any
    flagIn :: Set String -> String -> Any
flagIn Set String
set String
flag = Bool -> Any
Any (Bool -> Any) -> Bool -> Any
forall a b. (a -> b) -> a -> b
$ String -> Set String -> Bool
forall a. Ord a => a -> Set a -> Bool
Set.member String
flag Set String
set

    isWarning :: String -> Any
    isWarning :: String -> Any
isWarning =
      [String -> Any] -> String -> Any
forall a. Monoid a => [a] -> a
mconcat ([String -> Any] -> String -> Any)
-> [String -> Any] -> String -> Any
forall a b. (a -> b) -> a -> b
$
        (String -> String -> Any) -> [String] -> [String -> Any]
forall a b. (a -> b) -> [a] -> [b]
map
          ((Bool -> Any
Any (Bool -> Any) -> (String -> Bool) -> String -> Any
forall b c a. (b -> c) -> (a -> b) -> a -> c
.) ((String -> Bool) -> String -> Any)
-> (String -> String -> Bool) -> String -> String -> Any
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> String -> Bool
forall a. Eq a => [a] -> [a] -> Bool
isPrefixOf)
          [String
"-fwarn-", String
"-fno-warn-", String
"-W", String
"-Wno-"]

    simpleFlags :: Set String
    simpleFlags :: Set String
simpleFlags =
      [String] -> Set String
forall a. Ord a => [a] -> Set a
Set.fromList ([String] -> Set String)
-> ([[String]] -> [String]) -> [[String]] -> Set String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [[String]] -> [String]
forall a. Monoid a => [a] -> a
mconcat ([[String]] -> Set String) -> [[String]] -> Set String
forall a b. (a -> b) -> a -> b
$
        [
          [ String
"-n"
          , String
"-#include"
          , String
"-Rghc-timing"
          , String
"-dstg-stats"
          , String
"-dth-dec-file"
          , String
"-dsource-stats"
          , String
"-dverbose-core2core"
          , String
"-dverbose-stg2stg"
          , String
"-dcore-lint"
          , String
"-dstg-lint"
          , String
"-dcmm-lint"
          , String
"-dasm-lint"
          , String
"-dannot-lint"
          , String
"-dshow-passes"
          , String
"-dfaststring-stats"
          , String
"-fno-max-relevant-binds"
          , String
"-recomp"
          , String
"-no-recomp"
          , String
"-fforce-recomp"
          , String
"-fno-force-recomp"
          ]
        , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from
            [Int
8, Int
2]
            [ String
"-fno-max-errors"
            , String
"-fdiagnostics-color=auto"
            , String
"-fdiagnostics-color=always"
            , String
"-fdiagnostics-color=never"
            , String
"-dppr-debug"
            , String
"-dno-debug-output"
            ]
        , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from [Int
8, Int
4] [String
"-ddebug-output"]
        , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from [Int
8, Int
4] ([String] -> [String]) -> [String] -> [String]
forall a b. (a -> b) -> a -> b
$ [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
to [Int
8, Int
6] [String
"-fno-max-valid-substitutions"]
        , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from [Int
8, Int
6] [String
"-dhex-word-literals"]
        , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from [Int
8, Int
8] [String
"-fshow-docs-of-hole-fits", String
"-fno-show-docs-of-hole-fits"]
        , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from [Int
9, Int
0] [String
"-dlinear-core-lint"]
        , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from [Int
9, Int
10] [String
"-dipe-stats"]
        ]

    isOptIntFlag :: String -> Any
    isOptIntFlag :: String -> Any
isOptIntFlag = [String -> Any] -> String -> Any
forall a. Monoid a => [a] -> a
mconcat ([String -> Any] -> String -> Any)
-> ([String] -> [String -> Any]) -> [String] -> String -> Any
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (String -> String -> Any) -> [String] -> [String -> Any]
forall a b. (a -> b) -> [a] -> [b]
map (Bool -> String -> String -> Any
dropIntFlag Bool
True) ([String] -> String -> Any) -> [String] -> String -> Any
forall a b. (a -> b) -> a -> b
$ [String
"-v", String
"-j"]

    isIntFlag :: String -> Any
    isIntFlag :: String -> Any
isIntFlag =
      [String -> Any] -> String -> Any
forall a. Monoid a => [a] -> a
mconcat ([String -> Any] -> String -> Any)
-> ([[String]] -> [String -> Any]) -> [[String]] -> String -> Any
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (String -> String -> Any) -> [String] -> [String -> Any]
forall a b. (a -> b) -> [a] -> [b]
map (Bool -> String -> String -> Any
dropIntFlag Bool
False) ([String] -> [String -> Any])
-> ([[String]] -> [String]) -> [[String]] -> [String -> Any]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [[String]] -> [String]
forall a. Monoid a => [a] -> a
mconcat ([[String]] -> String -> Any) -> [[String]] -> String -> Any
forall a b. (a -> b) -> a -> b
$
        [
          [ String
"-fmax-relevant-binds"
          , String
"-ddpr-user-length"
          , String
"-ddpr-cols"
          , String
"-dtrace-level"
          , String
"-fghci-hist-size"
          , String
"-dinitial-unique"
          , String
"-dunique-increment"
          ]
        , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from [Int
8, Int
2] [String
"-fmax-uncovered-patterns", String
"-fmax-errors"]
        , [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from [Int
8, Int
4] ([String] -> [String]) -> [String] -> [String]
forall a b. (a -> b) -> a -> b
$ [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
to [Int
8, Int
6] [String
"-fmax-valid-substitutions"]
        ]

    dropIntFlag :: Bool -> String -> String -> Any
    dropIntFlag :: Bool -> String -> String -> Any
dropIntFlag Bool
isOpt String
flag String
input = Bool -> Any
Any (Bool -> Any) -> Bool -> Any
forall a b. (a -> b) -> a -> b
$ case String -> String -> Maybe String
forall a. Eq a => [a] -> [a] -> Maybe [a]
stripPrefix String
flag String
input of
      Maybe String
Nothing -> Bool
False
      Just String
rest
        | Bool
isOpt Bool -> Bool -> Bool
&& String -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null String
rest -> Bool
True
        | Bool
otherwise -> case String -> Maybe Int
parseInt String
rest of
            Just Int
_ -> Bool
True
            Maybe Int
Nothing -> Bool
False
      where
        parseInt :: String -> Maybe Int
        parseInt :: String -> Maybe Int
parseInt = String -> Maybe Int
forall a. Read a => String -> Maybe a
readMaybe (String -> Maybe Int) -> (String -> String) -> String -> Maybe Int
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> String
dropEq

    dropEq :: String -> String
    dropEq :: String -> String
dropEq (Char
'=' : String
s) = String
s
    dropEq String
s = String
s

    invertibleFlagSet :: String -> [String] -> Set String
    invertibleFlagSet :: String -> [String] -> Set String
invertibleFlagSet String
prefix [String]
flagNames =
      [String] -> Set String
forall a. Ord a => [a] -> Set a
Set.fromList ([String] -> Set String) -> [String] -> Set String
forall a b. (a -> b) -> a -> b
$ String -> String -> String
forall a. [a] -> [a] -> [a]
(++) (String -> String -> String) -> [String] -> [String -> String]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> [String
prefix, String
prefix String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
"no-"] [String -> String] -> [String] -> [String]
forall a b. [a -> b] -> [a] -> [b]
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> [String]
flagNames

    compatWarningSet :: Set String
    compatWarningSet :: Set String
compatWarningSet =
      [String] -> Set String
forall a. Ord a => [a] -> Set a
Set.fromList ([String] -> Set String) -> [String] -> Set String
forall a b. (a -> b) -> a -> b
$
        [[String]] -> [String]
forall a. Monoid a => [a] -> a
mconcat
          [ [Int] -> [String] -> [String]
forall m. Monoid m => [Int] -> m -> m
from
              [Int
8, Int
6]
              [ String
"missing-monadfail-instances"
              , String
"semigroup"
              , String
"noncanonical-monoid-instances"
              , String
"implicit-kind-vars"
              ]
          ]

    safeToFilterHoles :: Bool
    safeToFilterHoles :: Bool
safeToFilterHoles =
      All -> Bool
getAll (All -> Bool)
-> (([String] -> All) -> All) -> ([String] -> All) -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ([String] -> All) -> All
forall m. Monoid m => ([String] -> m) -> m
checkGhcFlags (([String] -> All) -> Bool) -> ([String] -> All) -> Bool
forall a b. (a -> b) -> a -> b
$
        Bool -> All
All (Bool -> All) -> ([String] -> Bool) -> [String] -> All
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Bool -> Maybe Bool -> Bool
forall a. a -> Maybe a -> a
fromMaybe Bool
True (Maybe Bool -> Bool)
-> ([String] -> Maybe Bool) -> [String] -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (Last' Bool -> Bool) -> Maybe (Last' Bool) -> Maybe Bool
forall a b. (a -> b) -> Maybe a -> Maybe b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap Last' Bool -> Bool
forall a. Last' a -> a
getLast' (Maybe (Last' Bool) -> Maybe Bool)
-> ([String] -> Maybe (Last' Bool)) -> [String] -> Maybe Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Option' (Last' Bool) -> Maybe (Last' Bool)
forall a. Option' a -> Maybe a
getOption' (Option' (Last' Bool) -> Maybe (Last' Bool))
-> ([String] -> Option' (Last' Bool))
-> [String]
-> Maybe (Last' Bool)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (String -> Option' (Last' Bool))
-> [String] -> Option' (Last' Bool)
forall m a. Monoid m => (a -> m) -> [a] -> m
forall (t :: * -> *) m a.
(Foldable t, Monoid m) =>
(a -> m) -> t a -> m
foldMap String -> Option' (Last' Bool)
notDeferred
      where
        notDeferred :: String -> Option' (Last' Bool)
        notDeferred :: String -> Option' (Last' Bool)
notDeferred String
"-fdefer-typed-holes" = Maybe (Last' Bool) -> Option' (Last' Bool)
forall a. Maybe a -> Option' a
Option' (Maybe (Last' Bool) -> Option' (Last' Bool))
-> (Bool -> Maybe (Last' Bool)) -> Bool -> Option' (Last' Bool)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Last' Bool -> Maybe (Last' Bool)
forall a. a -> Maybe a
Just (Last' Bool -> Maybe (Last' Bool))
-> (Bool -> Last' Bool) -> Bool -> Maybe (Last' Bool)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Bool -> Last' Bool
forall a. a -> Last' a
Last' (Bool -> Option' (Last' Bool)) -> Bool -> Option' (Last' Bool)
forall a b. (a -> b) -> a -> b
$ Bool
False
        notDeferred String
"-fno-defer-typed-holes" = Maybe (Last' Bool) -> Option' (Last' Bool)
forall a. Maybe a -> Option' a
Option' (Maybe (Last' Bool) -> Option' (Last' Bool))
-> (Bool -> Maybe (Last' Bool)) -> Bool -> Option' (Last' Bool)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Last' Bool -> Maybe (Last' Bool)
forall a. a -> Maybe a
Just (Last' Bool -> Maybe (Last' Bool))
-> (Bool -> Last' Bool) -> Bool -> Maybe (Last' Bool)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Bool -> Last' Bool
forall a. a -> Last' a
Last' (Bool -> Option' (Last' Bool)) -> Bool -> Option' (Last' Bool)
forall a b. (a -> b) -> a -> b
$ Bool
True
        notDeferred String
_ = Maybe (Last' Bool) -> Option' (Last' Bool)
forall a. Maybe a -> Option' a
Option' Maybe (Last' Bool)
forall a. Maybe a
Nothing

    isTypedHoleFlag :: String -> Any
    isTypedHoleFlag :: String -> Any
isTypedHoleFlag =
      [String -> Any] -> String -> Any
forall a. Monoid a => [a] -> a
mconcat
        [ Set String -> String -> Any
flagIn (Set String -> String -> Any)
-> ([String] -> Set String) -> [String] -> String -> Any
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> [String] -> Set String
invertibleFlagSet String
"-f" ([String] -> String -> Any) -> [String] -> String -> Any
forall a b. (a -> b) -> a -> b
$
            [ String
"show-hole-constraints"
            , String
"show-valid-substitutions"
            , String
"show-valid-hole-fits"
            , String
"sort-valid-hole-fits"
            , String
"sort-by-size-hole-fits"
            , String
"sort-by-subsumption-hole-fits"
            , String
"abstract-refinement-hole-fits"
            , String
"show-provenance-of-hole-fits"
            , String
"show-hole-matches-of-hole-fits"
            , String
"show-type-of-hole-fits"
            , String
"show-type-app-of-hole-fits"
            , String
"show-type-app-vars-of-hole-fits"
            , String
"unclutter-valid-hole-fits"
            ]
        , Set String -> String -> Any
flagIn (Set String -> String -> Any)
-> ([String] -> Set String) -> [String] -> String -> Any
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [String] -> Set String
forall a. Ord a => [a] -> Set a
Set.fromList ([String] -> String -> Any) -> [String] -> String -> Any
forall a b. (a -> b) -> a -> b
$
            [ String
"-fno-max-valid-hole-fits"
            , String
"-fno-max-refinement-hole-fits"
            , String
"-fno-refinement-level-hole-fits"
            ]
        , [String -> Any] -> String -> Any
forall a. Monoid a => [a] -> a
mconcat ([String -> Any] -> String -> Any)
-> ([String] -> [String -> Any]) -> [String] -> String -> Any
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (String -> String -> Any) -> [String] -> [String -> Any]
forall a b. (a -> b) -> [a] -> [b]
map (Bool -> String -> String -> Any
dropIntFlag Bool
False) ([String] -> String -> Any) -> [String] -> String -> Any
forall a b. (a -> b) -> a -> b
$
            [ String
"-fmax-valid-hole-fits"
            , String
"-fmax-refinement-hole-fits"
            , String
"-frefinement-level-hole-fits"
            ]
        ]
normaliseGhcArgs Maybe Version
_ PackageDescription
_ [String]
args = [String]
args

-- | A structured set of GHC options/flags
--
-- Note that options containing lists fall into two categories:
--
--  * options that can be safely deduplicated, e.g. input modules or
--    enabled extensions;
--  * options that cannot be deduplicated in general without changing
--    semantics, e.g. extra ghc options or linking options.
data GhcOptions = GhcOptions
  { GhcOptions -> Flag GhcMode
ghcOptMode :: Flag GhcMode
  -- ^ The major mode for the ghc invocation.
  , GhcOptions -> [String]
ghcOptExtra :: [String]
  -- ^ Any extra options to pass directly to ghc. These go at the end and hence
  -- override other stuff.
  , GhcOptions -> [String]
ghcOptExtraDefault :: [String]
  -- ^ Extra default flags to pass directly to ghc. These go at the beginning
  -- and so can be overridden by other stuff.
  , -----------------------
    -- Inputs and outputs

    GhcOptions -> NubListR (SymbolicPath Pkg 'File)
ghcOptInputFiles :: NubListR (SymbolicPath Pkg File)
  -- ^ The main input files; could be .hs, .hi, .c, .o, depending on mode.
  , GhcOptions -> NubListR (SymbolicPath Pkg 'File)
ghcOptInputScripts :: NubListR (SymbolicPath Pkg File)
  -- ^ Script files with irregular extensions that need -x hs.
  , GhcOptions -> NubListR ModuleName
ghcOptInputModules :: NubListR ModuleName
  -- ^ The names of input Haskell modules, mainly for @--make@ mode.
  , GhcOptions -> Flag (SymbolicPath Pkg 'File)
ghcOptOutputFile :: Flag (SymbolicPath Pkg File)
  -- ^ Location for output file; the @ghc -o@ flag.
  , GhcOptions -> Flag String
ghcOptOutputDynFile :: Flag FilePath
  -- ^ Location for dynamic output file in 'GhcStaticAndDynamic' mode;
  -- the @ghc -dyno@ flag.
  , GhcOptions -> Flag Bool
ghcOptSourcePathClear :: Flag Bool
  -- ^ Start with an empty search path for Haskell source files;
  -- the @ghc -i@ flag (@-i@ on its own with no path argument).
  , GhcOptions -> NubListR (SymbolicPath Pkg ('Dir Source))
ghcOptSourcePath :: NubListR (SymbolicPath Pkg (Dir Source))
  -- ^ Search path for Haskell source files; the @ghc -i@ flag.
  , -------------
    -- Packages

    GhcOptions -> Flag String
ghcOptThisUnitId :: Flag String
  -- ^ The unit ID the modules will belong to; the @ghc -this-unit-id@
  -- flag (or @-this-package-key@ or @-package-name@ on older
  -- versions of GHC).  This is a 'String' because we assume you've
  -- already figured out what the correct format for this string is
  -- (we need to handle backwards compatibility.)
  , GhcOptions -> Flag ComponentId
ghcOptThisComponentId :: Flag ComponentId
  -- ^ GHC doesn't make any assumptions about the format of
  -- definite unit ids, so when we are instantiating a package it
  -- needs to be told explicitly what the component being instantiated
  -- is.  This only gets set when 'ghcOptInstantiatedWith' is non-empty
  , GhcOptions -> [(ModuleName, OpenModule)]
ghcOptInstantiatedWith :: [(ModuleName, OpenModule)]
  -- ^ How the requirements of the package being compiled are to
  -- be filled.  When typechecking an indefinite package, the 'OpenModule'
  -- is always a 'OpenModuleVar'; otherwise, it specifies the installed module
  -- that instantiates a package.
  , GhcOptions -> Flag Bool
ghcOptNoCode :: Flag Bool
  -- ^ No code? (But we turn on interface writing
  , GhcOptions -> PackageDBStack
ghcOptPackageDBs :: PackageDBStack
  -- ^ GHC package databases to use, the @ghc -package-conf@ flag.
  , GhcOptions -> NubListR (OpenUnitId, ModuleRenaming)
ghcOptPackages
      :: NubListR (OpenUnitId, ModuleRenaming)
  -- ^ The GHC packages to bring into scope when compiling,
  -- the @ghc -package-id@ flags.
  , GhcOptions -> Flag Bool
ghcOptHideAllPackages :: Flag Bool
  -- ^ Start with a clean package set; the @ghc -hide-all-packages@ flag
  , GhcOptions -> Flag Bool
ghcOptWarnMissingHomeModules :: Flag Bool
  -- ^ Warn about modules, not listed in command line
  , GhcOptions -> Flag Bool
ghcOptNoAutoLinkPackages :: Flag Bool
  -- ^ Don't automatically link in Haskell98 etc; the @ghc
  -- -no-auto-link-packages@ flag.
  , -----------------
    -- Linker stuff

    GhcOptions -> [String]
ghcOptLinkLibs :: [FilePath]
  -- ^ Names of libraries to link in; the @ghc -l@ flag.
  , GhcOptions -> NubListR (SymbolicPath Pkg ('Dir Lib))
ghcOptLinkLibPath :: NubListR (SymbolicPath Pkg (Dir Lib))
  -- ^ Search path for libraries to link in; the @ghc -L@ flag.
  , GhcOptions -> [String]
ghcOptLinkOptions :: [String]
  -- ^ Options to pass through to the linker; the @ghc -optl@ flag.
  , GhcOptions -> NubListR String
ghcOptLinkFrameworks :: NubListR String
  -- ^ OSX only: frameworks to link in; the @ghc -framework@ flag.
  , GhcOptions -> NubListR (SymbolicPath Pkg ('Dir Framework))
ghcOptLinkFrameworkDirs :: NubListR (SymbolicPath Pkg (Dir Framework))
  -- ^ OSX only: Search path for frameworks to link in; the
  -- @ghc -framework-path@ flag.
  , GhcOptions -> Flag Bool
ghcOptLinkRts :: Flag Bool
  -- ^ Instruct GHC to link against @libHSrts@ when producing a shared library.
  , GhcOptions -> Flag Bool
ghcOptNoLink :: Flag Bool
  -- ^ Don't do the link step, useful in make mode; the @ghc -no-link@ flag.
  , GhcOptions -> Flag Bool
ghcOptLinkNoHsMain :: Flag Bool
  -- ^ Don't link in the normal RTS @main@ entry point; the @ghc -no-hs-main@
  -- flag.
  , GhcOptions -> NubListR String
ghcOptLinkModDefFiles :: NubListR FilePath
  -- ^ Module definition files (Windows specific)
  , --------------------
    -- C and CPP stuff

    GhcOptions -> [String]
ghcOptCcOptions :: [String]
  -- ^ Options to pass through to the C compiler; the @ghc -optc@ flag.
  , GhcOptions -> [String]
ghcOptCxxOptions :: [String]
  -- ^ Options to pass through to the C++ compiler.
  , GhcOptions -> [String]
ghcOptAsmOptions :: [String]
  -- ^ Options to pass through to the Assembler.
  , GhcOptions -> [String]
ghcOptCppOptions :: [String]
  -- ^ Options to pass through to CPP; the @ghc -optP@ flag.
  , GhcOptions -> NubListR (SymbolicPath Pkg ('Dir Include))
ghcOptCppIncludePath :: NubListR (SymbolicPath Pkg (Dir Include))
  -- ^ Search path for CPP includes like header files; the @ghc -I@ flag.
  , GhcOptions -> NubListR (SymbolicPath Pkg 'File)
ghcOptCppIncludes :: NubListR (SymbolicPath Pkg File)
  -- ^ Extra header files to include at CPP stage; the @ghc -optP-include@ flag.
  , GhcOptions -> NubListR String
ghcOptFfiIncludes :: NubListR FilePath
  -- ^ Extra header files to include for old-style FFI; the @ghc -#include@ flag.
  , GhcOptions -> Flag String
ghcOptCcProgram :: Flag FilePath
  -- ^ Program to use for the C and C++ compiler; the @ghc -pgmc@ flag.
  , ----------------------------
    -- Language and extensions

    GhcOptions -> Flag Language
ghcOptLanguage :: Flag Language
  -- ^ The base language; the @ghc -XHaskell98@ or @-XHaskell2010@ flag.
  , GhcOptions -> NubListR Extension
ghcOptExtensions :: NubListR Extension
  -- ^ The language extensions; the @ghc -X@ flag.
  , GhcOptions -> Map Extension (Maybe String)
ghcOptExtensionMap :: Map Extension (Maybe CompilerFlag)
  -- ^ A GHC version-dependent mapping of extensions to flags. This must be
  -- set to be able to make use of the 'ghcOptExtensions'.
  , ----------------
    -- Compilation

    GhcOptions -> Flag GhcOptimisation
ghcOptOptimisation :: Flag GhcOptimisation
  -- ^ What optimisation level to use; the @ghc -O@ flag.
  , GhcOptions -> Flag DebugInfoLevel
ghcOptDebugInfo :: Flag DebugInfoLevel
  -- ^ Emit debug info; the @ghc -g@ flag.
  , GhcOptions -> Flag Bool
ghcOptProfilingMode :: Flag Bool
  -- ^ Compile in profiling mode; the @ghc -prof@ flag.
  , GhcOptions -> Flag GhcProfAuto
ghcOptProfilingAuto :: Flag GhcProfAuto
  -- ^ Automatically add profiling cost centers; the @ghc -fprof-auto*@ flags.
  , GhcOptions -> Flag Bool
ghcOptSplitSections :: Flag Bool
  -- ^ Use the \"split sections\" feature; the @ghc -split-sections@ flag.
  , GhcOptions -> Flag Bool
ghcOptSplitObjs :: Flag Bool
  -- ^ Use the \"split object files\" feature; the @ghc -split-objs@ flag.
  , GhcOptions -> Flag ParStrat
ghcOptNumJobs :: Flag ParStrat
  -- ^ Run N jobs simultaneously (if possible).
  , GhcOptions -> Flag (SymbolicPath Pkg ('Dir Mix))
ghcOptHPCDir :: Flag (SymbolicPath Pkg (Dir Mix))
  -- ^ Enable coverage analysis; the @ghc -fhpc -hpcdir@ flags.
  , ----------------
    -- GHCi

    GhcOptions -> [String]
ghcOptGHCiScripts :: [FilePath]
  -- ^ Extra GHCi startup scripts; the @-ghci-script@ flag
  , ------------------------
    -- Redirecting outputs

    GhcOptions -> Flag String
ghcOptHiSuffix :: Flag String
  , GhcOptions -> Flag String
ghcOptObjSuffix :: Flag String
  , GhcOptions -> Flag String
ghcOptDynHiSuffix :: Flag String
  -- ^ only in 'GhcStaticAndDynamic' mode
  , GhcOptions -> Flag String
ghcOptDynObjSuffix :: Flag String
  -- ^ only in 'GhcStaticAndDynamic' mode
  , GhcOptions -> Flag (SymbolicPath Pkg ('Dir Artifacts))
ghcOptHiDir :: Flag (SymbolicPath Pkg (Dir Artifacts))
  , GhcOptions -> Flag (SymbolicPath Pkg ('Dir Artifacts))
ghcOptHieDir :: Flag (SymbolicPath Pkg (Dir Artifacts))
  , GhcOptions -> Flag (SymbolicPath Pkg ('Dir Artifacts))
ghcOptObjDir :: Flag (SymbolicPath Pkg (Dir Artifacts))
  , GhcOptions -> Flag (SymbolicPath Pkg ('Dir Artifacts))
ghcOptOutputDir :: Flag (SymbolicPath Pkg (Dir Artifacts))
  , GhcOptions -> Flag (SymbolicPath Pkg ('Dir Artifacts))
ghcOptStubDir :: Flag (SymbolicPath Pkg (Dir Artifacts))
  , --------------------
    -- Creating libraries

    GhcOptions -> Flag GhcDynLinkMode
ghcOptDynLinkMode :: Flag GhcDynLinkMode
  , GhcOptions -> Flag Bool
ghcOptStaticLib :: Flag Bool
  , GhcOptions -> Flag Bool
ghcOptShared :: Flag Bool
  , GhcOptions -> Flag Bool
ghcOptFPic :: Flag Bool
  , GhcOptions -> Flag String
ghcOptDylibName :: Flag String
  , GhcOptions -> NubListR String
ghcOptRPaths :: NubListR FilePath
  , ---------------
    -- Misc flags

    GhcOptions -> Flag Verbosity
ghcOptVerbosity :: Flag Verbosity
  -- ^ Get GHC to be quiet or verbose with what it's doing; the @ghc -v@ flag.
  , GhcOptions -> NubListR (SymbolicPath Pkg ('Dir Build))
ghcOptExtraPath :: NubListR (SymbolicPath Pkg (Dir Build))
  -- ^ Put the extra folders in the PATH environment variable we invoke
  -- GHC with
  , GhcOptions -> Flag Bool
ghcOptCabal :: Flag Bool
  -- ^ Let GHC know that it is Cabal that's calling it.
  -- Modifies some of the GHC error messages.
  }
  deriving (Int -> GhcOptions -> String -> String
[GhcOptions] -> String -> String
GhcOptions -> String
(Int -> GhcOptions -> String -> String)
-> (GhcOptions -> String)
-> ([GhcOptions] -> String -> String)
-> Show GhcOptions
forall a.
(Int -> a -> String -> String)
-> (a -> String) -> ([a] -> String -> String) -> Show a
$cshowsPrec :: Int -> GhcOptions -> String -> String
showsPrec :: Int -> GhcOptions -> String -> String
$cshow :: GhcOptions -> String
show :: GhcOptions -> String
$cshowList :: [GhcOptions] -> String -> String
showList :: [GhcOptions] -> String -> String
Show, (forall x. GhcOptions -> Rep GhcOptions x)
-> (forall x. Rep GhcOptions x -> GhcOptions) -> Generic GhcOptions
forall x. Rep GhcOptions x -> GhcOptions
forall x. GhcOptions -> Rep GhcOptions x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cfrom :: forall x. GhcOptions -> Rep GhcOptions x
from :: forall x. GhcOptions -> Rep GhcOptions x
$cto :: forall x. Rep GhcOptions x -> GhcOptions
to :: forall x. Rep GhcOptions x -> GhcOptions
Generic)

data GhcMode
  = -- | @ghc -c@
    GhcModeCompile
  | -- | @ghc@
    GhcModeLink
  | -- | @ghc --make@
    GhcModeMake
  | -- | @ghci@ \/ @ghc --interactive@
    GhcModeInteractive
  | -- | @ghc --abi-hash@
    --             | GhcModeDepAnalysis -- ^ @ghc -M@
    --             | GhcModeEvaluate    -- ^ @ghc -e@
    GhcModeAbiHash
  deriving (Int -> GhcMode -> String -> String
[GhcMode] -> String -> String
GhcMode -> String
(Int -> GhcMode -> String -> String)
-> (GhcMode -> String)
-> ([GhcMode] -> String -> String)
-> Show GhcMode
forall a.
(Int -> a -> String -> String)
-> (a -> String) -> ([a] -> String -> String) -> Show a
$cshowsPrec :: Int -> GhcMode -> String -> String
showsPrec :: Int -> GhcMode -> String -> String
$cshow :: GhcMode -> String
show :: GhcMode -> String
$cshowList :: [GhcMode] -> String -> String
showList :: [GhcMode] -> String -> String
Show, GhcMode -> GhcMode -> Bool
(GhcMode -> GhcMode -> Bool)
-> (GhcMode -> GhcMode -> Bool) -> Eq GhcMode
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: GhcMode -> GhcMode -> Bool
== :: GhcMode -> GhcMode -> Bool
$c/= :: GhcMode -> GhcMode -> Bool
/= :: GhcMode -> GhcMode -> Bool
Eq)

data GhcOptimisation
  = -- | @-O0@
    GhcNoOptimisation
  | -- | @-O@
    GhcNormalOptimisation
  | -- | @-O2@
    GhcMaximumOptimisation
  | -- | e.g. @-Odph@
    GhcSpecialOptimisation String
  deriving (Int -> GhcOptimisation -> String -> String
[GhcOptimisation] -> String -> String
GhcOptimisation -> String
(Int -> GhcOptimisation -> String -> String)
-> (GhcOptimisation -> String)
-> ([GhcOptimisation] -> String -> String)
-> Show GhcOptimisation
forall a.
(Int -> a -> String -> String)
-> (a -> String) -> ([a] -> String -> String) -> Show a
$cshowsPrec :: Int -> GhcOptimisation -> String -> String
showsPrec :: Int -> GhcOptimisation -> String -> String
$cshow :: GhcOptimisation -> String
show :: GhcOptimisation -> String
$cshowList :: [GhcOptimisation] -> String -> String
showList :: [GhcOptimisation] -> String -> String
Show, GhcOptimisation -> GhcOptimisation -> Bool
(GhcOptimisation -> GhcOptimisation -> Bool)
-> (GhcOptimisation -> GhcOptimisation -> Bool)
-> Eq GhcOptimisation
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: GhcOptimisation -> GhcOptimisation -> Bool
== :: GhcOptimisation -> GhcOptimisation -> Bool
$c/= :: GhcOptimisation -> GhcOptimisation -> Bool
/= :: GhcOptimisation -> GhcOptimisation -> Bool
Eq)

data GhcDynLinkMode
  = -- | @-static@
    GhcStaticOnly
  | -- | @-dynamic@
    GhcDynamicOnly
  | -- | @-static -dynamic-too@
    GhcStaticAndDynamic
  deriving (Int -> GhcDynLinkMode -> String -> String
[GhcDynLinkMode] -> String -> String
GhcDynLinkMode -> String
(Int -> GhcDynLinkMode -> String -> String)
-> (GhcDynLinkMode -> String)
-> ([GhcDynLinkMode] -> String -> String)
-> Show GhcDynLinkMode
forall a.
(Int -> a -> String -> String)
-> (a -> String) -> ([a] -> String -> String) -> Show a
$cshowsPrec :: Int -> GhcDynLinkMode -> String -> String
showsPrec :: Int -> GhcDynLinkMode -> String -> String
$cshow :: GhcDynLinkMode -> String
show :: GhcDynLinkMode -> String
$cshowList :: [GhcDynLinkMode] -> String -> String
showList :: [GhcDynLinkMode] -> String -> String
Show, GhcDynLinkMode -> GhcDynLinkMode -> Bool
(GhcDynLinkMode -> GhcDynLinkMode -> Bool)
-> (GhcDynLinkMode -> GhcDynLinkMode -> Bool) -> Eq GhcDynLinkMode
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: GhcDynLinkMode -> GhcDynLinkMode -> Bool
== :: GhcDynLinkMode -> GhcDynLinkMode -> Bool
$c/= :: GhcDynLinkMode -> GhcDynLinkMode -> Bool
/= :: GhcDynLinkMode -> GhcDynLinkMode -> Bool
Eq)

data GhcProfAuto
  = -- | @-fprof-auto@
    GhcProfAutoAll
  | -- | @-fprof-auto-top@
    GhcProfAutoToplevel
  | -- | @-fprof-auto-exported@
    GhcProfAutoExported
  | -- | @-fprof-late
    GhcProfLate
  deriving (Int -> GhcProfAuto -> String -> String
[GhcProfAuto] -> String -> String
GhcProfAuto -> String
(Int -> GhcProfAuto -> String -> String)
-> (GhcProfAuto -> String)
-> ([GhcProfAuto] -> String -> String)
-> Show GhcProfAuto
forall a.
(Int -> a -> String -> String)
-> (a -> String) -> ([a] -> String -> String) -> Show a
$cshowsPrec :: Int -> GhcProfAuto -> String -> String
showsPrec :: Int -> GhcProfAuto -> String -> String
$cshow :: GhcProfAuto -> String
show :: GhcProfAuto -> String
$cshowList :: [GhcProfAuto] -> String -> String
showList :: [GhcProfAuto] -> String -> String
Show, GhcProfAuto -> GhcProfAuto -> Bool
(GhcProfAuto -> GhcProfAuto -> Bool)
-> (GhcProfAuto -> GhcProfAuto -> Bool) -> Eq GhcProfAuto
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: GhcProfAuto -> GhcProfAuto -> Bool
== :: GhcProfAuto -> GhcProfAuto -> Bool
$c/= :: GhcProfAuto -> GhcProfAuto -> Bool
/= :: GhcProfAuto -> GhcProfAuto -> Bool
Eq)

runGHC
  :: Verbosity
  -> ConfiguredProgram
  -> Compiler
  -> Platform
  -> Maybe (SymbolicPath CWD (Dir Pkg))
  -> GhcOptions
  -> IO ()
runGHC :: Verbosity
-> ConfiguredProgram
-> Compiler
-> Platform
-> Maybe (SymbolicPath CWD ('Dir Pkg))
-> GhcOptions
-> IO ()
runGHC Verbosity
verbosity ConfiguredProgram
ghcProg Compiler
comp Platform
platform Maybe (SymbolicPath CWD ('Dir Pkg))
mbWorkDir GhcOptions
opts = do
  Verbosity -> ProgramInvocation -> IO ()
runProgramInvocation Verbosity
verbosity
    (ProgramInvocation -> IO ()) -> IO ProgramInvocation -> IO ()
forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< Verbosity
-> ConfiguredProgram
-> Compiler
-> Platform
-> Maybe (SymbolicPath CWD ('Dir Pkg))
-> GhcOptions
-> IO ProgramInvocation
ghcInvocation Verbosity
verbosity ConfiguredProgram
ghcProg Compiler
comp Platform
platform Maybe (SymbolicPath CWD ('Dir Pkg))
mbWorkDir GhcOptions
opts

ghcInvocation
  :: Verbosity
  -> ConfiguredProgram
  -> Compiler
  -> Platform
  -> Maybe (SymbolicPath CWD (Dir Pkg))
  -> GhcOptions
  -> IO ProgramInvocation
ghcInvocation :: Verbosity
-> ConfiguredProgram
-> Compiler
-> Platform
-> Maybe (SymbolicPath CWD ('Dir Pkg))
-> GhcOptions
-> IO ProgramInvocation
ghcInvocation Verbosity
verbosity ConfiguredProgram
ghcProg Compiler
comp Platform
platform Maybe (SymbolicPath CWD ('Dir Pkg))
mbWorkDir GhcOptions
opts = do
  -- NOTE: GHC is the only program whose path we modify with more values than
  -- the standard @extra-prog-path@, namely the folders of the executables in
  -- the components, see @componentGhcOptions@.
  let envOverrides :: [(String, Maybe String)]
envOverrides = ConfiguredProgram -> [(String, Maybe String)]
programOverrideEnv ConfiguredProgram
ghcProg
  extraPath <-
    Verbosity
-> [(String, Maybe String)]
-> [String]
-> IO [(String, Maybe String)]
getExtraPathEnv Verbosity
verbosity [(String, Maybe String)]
envOverrides ([String] -> IO [(String, Maybe String)])
-> [String] -> IO [(String, Maybe String)]
forall a b. (a -> b) -> a -> b
$
      (SymbolicPath Pkg ('Dir Build) -> String)
-> [SymbolicPath Pkg ('Dir Build)] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map SymbolicPath Pkg ('Dir Build) -> String
forall (allowAbsolute :: AllowAbsolute) from (to :: FileOrDir).
SymbolicPathX allowAbsolute from to -> String
getSymbolicPath ([SymbolicPath Pkg ('Dir Build)] -> [String])
-> [SymbolicPath Pkg ('Dir Build)] -> [String]
forall a b. (a -> b) -> a -> b
$
        NubListR (SymbolicPath Pkg ('Dir Build))
-> [SymbolicPath Pkg ('Dir Build)]
forall a. NubListR a -> [a]
fromNubListR (NubListR (SymbolicPath Pkg ('Dir Build))
 -> [SymbolicPath Pkg ('Dir Build)])
-> NubListR (SymbolicPath Pkg ('Dir Build))
-> [SymbolicPath Pkg ('Dir Build)]
forall a b. (a -> b) -> a -> b
$
          GhcOptions -> NubListR (SymbolicPath Pkg ('Dir Build))
ghcOptExtraPath GhcOptions
opts
  let ghcProg' = ConfiguredProgram
ghcProg{programOverrideEnv = envOverrides ++ extraPath}
  return $
    programInvocationCwd mbWorkDir ghcProg' $
      renderGhcOptions comp platform opts

-- TODO: use the -working-dir GHC flag instead of setting the process
-- working directory, as this improves error messages.

renderGhcOptions :: Compiler -> Platform -> GhcOptions -> [String]
renderGhcOptions :: Compiler -> Platform -> GhcOptions -> [String]
renderGhcOptions Compiler
comp _platform :: Platform
_platform@(Platform Arch
_arch OS
os) GhcOptions
opts
  | Compiler -> CompilerFlavor
compilerFlavor Compiler
comp CompilerFlavor -> [CompilerFlavor] -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`notElem` [CompilerFlavor
GHC, CompilerFlavor
GHCJS] =
      String -> [String]
forall a. HasCallStack => String -> a
error (String -> [String]) -> String -> [String]
forall a b. (a -> b) -> a -> b
$
        String
"Distribution.Simple.Program.GHC.renderGhcOptions: "
          String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
"compiler flavor must be 'GHC' or 'GHCJS'!"
  | Bool
otherwise =
      [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat
        [ case Flag GhcMode -> Maybe GhcMode
forall a. Flag a -> Maybe a
flagToMaybe (GhcOptions -> Flag GhcMode
ghcOptMode GhcOptions
opts) of
            Maybe GhcMode
Nothing -> []
            Just GhcMode
GhcModeCompile -> [String
"-c"]
            Just GhcMode
GhcModeLink -> []
            Just GhcMode
GhcModeMake -> [String
"--make"]
            Just GhcMode
GhcModeInteractive -> [String
"--interactive"]
            Just GhcMode
GhcModeAbiHash -> [String
"--abi-hash"]
        , --     Just GhcModeDepAnalysis -> ["-M"]
          --     Just GhcModeEvaluate    -> ["-e", expr]

          GhcOptions -> [String]
ghcOptExtraDefault GhcOptions
opts
        , [String
"-no-link" | (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptNoLink]
        , [String
"-flink-rts" | (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptLinkRts]
        , ---------------
          -- Misc flags

          [String] -> (Verbosity -> [String]) -> Maybe Verbosity -> [String]
forall b a. b -> (a -> b) -> Maybe a -> b
maybe [] Verbosity -> [String]
verbosityOpts (Flag Verbosity -> Maybe Verbosity
forall a. Flag a -> Maybe a
flagToMaybe (GhcOptions -> Flag Verbosity
ghcOptVerbosity GhcOptions
opts))
        , [String
"-fbuilding-cabal-package" | (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptCabal]
        , ----------------
          -- Compilation

          case Flag GhcOptimisation -> Maybe GhcOptimisation
forall a. Flag a -> Maybe a
flagToMaybe (GhcOptions -> Flag GhcOptimisation
ghcOptOptimisation GhcOptions
opts) of
            Maybe GhcOptimisation
Nothing -> []
            Just GhcOptimisation
GhcNoOptimisation -> [String
"-O0"]
            Just GhcOptimisation
GhcNormalOptimisation -> [String
"-O"]
            Just GhcOptimisation
GhcMaximumOptimisation -> [String
"-O2"]
            Just (GhcSpecialOptimisation String
s) -> [String
"-O" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
s] -- eg -Odph
        , case Flag DebugInfoLevel -> Maybe DebugInfoLevel
forall a. Flag a -> Maybe a
flagToMaybe (GhcOptions -> Flag DebugInfoLevel
ghcOptDebugInfo GhcOptions
opts) of
            Maybe DebugInfoLevel
Nothing -> []
            Just DebugInfoLevel
NoDebugInfo -> []
            Just DebugInfoLevel
MinimalDebugInfo -> [String
"-g1"]
            Just DebugInfoLevel
NormalDebugInfo -> [String
"-g2"]
            Just DebugInfoLevel
MaximalDebugInfo -> [String
"-g3"]
        , [String
"-prof" | (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptProfilingMode]
        , case Flag GhcProfAuto -> Maybe GhcProfAuto
forall a. Flag a -> Maybe a
flagToMaybe (GhcOptions -> Flag GhcProfAuto
ghcOptProfilingAuto GhcOptions
opts) of
            Maybe GhcProfAuto
_
              | Bool -> Bool
not ((GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptProfilingMode) ->
                  []
            Maybe GhcProfAuto
Nothing -> []
            Just GhcProfAuto
GhcProfAutoAll
              | GhcImplInfo -> Bool
flagProfAuto GhcImplInfo
implInfo -> [String
"-fprof-auto"]
              | Bool
otherwise -> [String
"-auto-all"] -- not the same, but close
            Just GhcProfAuto
GhcProfLate
              | GhcImplInfo -> Bool
flagProfLate GhcImplInfo
implInfo -> [String
"-fprof-late"]
              | Bool
otherwise -> [String
"-fprof-auto-top"] -- not the same, not very close, but what we have.
            Just GhcProfAuto
GhcProfAutoToplevel
              | GhcImplInfo -> Bool
flagProfAuto GhcImplInfo
implInfo -> [String
"-fprof-auto-top"]
              | Bool
otherwise -> [String
"-auto-all"]
            Just GhcProfAuto
GhcProfAutoExported
              | GhcImplInfo -> Bool
flagProfAuto GhcImplInfo
implInfo -> [String
"-fprof-auto-exported"]
              | Bool
otherwise -> [String
"-auto"]
        , [String
"-split-sections" | (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptSplitSections]
        , case CompilerFlavor -> Compiler -> Maybe Version
compilerCompatVersion CompilerFlavor
GHC Compiler
comp of
            -- the -split-objs flag was removed in GHC 9.8
            Just Version
ver | Version
ver Version -> Version -> Bool
forall a. Ord a => a -> a -> Bool
>= [Int] -> Version
mkVersion [Int
9, Int
8] -> []
            Maybe Version
_ -> [String
"-split-objs" | (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptSplitObjs]
        , case Flag (SymbolicPath Pkg ('Dir Mix))
-> Maybe (SymbolicPath Pkg ('Dir Mix))
forall a. Flag a -> Maybe a
flagToMaybe (GhcOptions -> Flag (SymbolicPath Pkg ('Dir Mix))
ghcOptHPCDir GhcOptions
opts) of
            Maybe (SymbolicPath Pkg ('Dir Mix))
Nothing -> []
            Just SymbolicPath Pkg ('Dir Mix)
hpcdir -> [String
"-fhpc", String
"-hpcdir", SymbolicPath Pkg ('Dir Mix) -> String
forall (to :: FileOrDir). SymbolicPath Pkg to -> String
u SymbolicPath Pkg ('Dir Mix)
hpcdir]
        , if Compiler -> Bool
parmakeSupported Compiler
comp
            then case GhcOptions -> Flag ParStrat
ghcOptNumJobs GhcOptions
opts of
              Flag ParStrat
NoFlag -> []
              Flag ParStrat
Serial -> []
              Flag (UseSem String
name) ->
                if Compiler -> Bool
jsemSupported Compiler
comp
                  then [String
"-jsem " String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
name]
                  else []
              Flag (NumJobs Maybe Int
n) -> [String
"-j" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String -> (Int -> String) -> Maybe Int -> String
forall b a. b -> (a -> b) -> Maybe a -> b
maybe String
"" Int -> String
forall a. Show a => a -> String
show Maybe Int
n]
            else []
        , --------------------
          -- Creating libraries

          [String
"-staticlib" | (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptStaticLib]
        , [String
"-shared" | (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptShared]
        , case Flag GhcDynLinkMode -> Maybe GhcDynLinkMode
forall a. Flag a -> Maybe a
flagToMaybe (GhcOptions -> Flag GhcDynLinkMode
ghcOptDynLinkMode GhcOptions
opts) of
            Maybe GhcDynLinkMode
Nothing -> []
            Just GhcDynLinkMode
GhcStaticOnly -> [String
"-static"]
            Just GhcDynLinkMode
GhcDynamicOnly -> [String
"-dynamic"]
            Just GhcDynLinkMode
GhcStaticAndDynamic -> [String
"-static", String
"-dynamic-too"]
        , [String
"-fPIC" | (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptFPic]
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-dylib-install-name", String
libname] | String
libname <- (GhcOptions -> Flag String) -> [String]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag String
ghcOptDylibName]
        , ------------------------
          -- Redirecting outputs

          [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-osuf", String
suf] | String
suf <- (GhcOptions -> Flag String) -> [String]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag String
ghcOptObjSuffix]
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-hisuf", String
suf] | String
suf <- (GhcOptions -> Flag String) -> [String]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag String
ghcOptHiSuffix]
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-dynosuf", String
suf] | String
suf <- (GhcOptions -> Flag String) -> [String]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag String
ghcOptDynObjSuffix]
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-dynhisuf", String
suf] | String
suf <- (GhcOptions -> Flag String) -> [String]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag String
ghcOptDynHiSuffix]
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-outputdir", SymbolicPath Pkg ('Dir Artifacts) -> String
forall (to :: FileOrDir). SymbolicPath Pkg to -> String
u SymbolicPath Pkg ('Dir Artifacts)
dir] | SymbolicPath Pkg ('Dir Artifacts)
dir <- (GhcOptions -> Flag (SymbolicPath Pkg ('Dir Artifacts)))
-> [SymbolicPath Pkg ('Dir Artifacts)]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag (SymbolicPath Pkg ('Dir Artifacts))
ghcOptOutputDir]
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-odir", SymbolicPath Pkg ('Dir Artifacts) -> String
forall (to :: FileOrDir). SymbolicPath Pkg to -> String
u SymbolicPath Pkg ('Dir Artifacts)
dir] | SymbolicPath Pkg ('Dir Artifacts)
dir <- (GhcOptions -> Flag (SymbolicPath Pkg ('Dir Artifacts)))
-> [SymbolicPath Pkg ('Dir Artifacts)]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag (SymbolicPath Pkg ('Dir Artifacts))
ghcOptObjDir]
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-hidir", SymbolicPath Pkg ('Dir Artifacts) -> String
forall (to :: FileOrDir). SymbolicPath Pkg to -> String
u SymbolicPath Pkg ('Dir Artifacts)
dir] | SymbolicPath Pkg ('Dir Artifacts)
dir <- (GhcOptions -> Flag (SymbolicPath Pkg ('Dir Artifacts)))
-> [SymbolicPath Pkg ('Dir Artifacts)]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag (SymbolicPath Pkg ('Dir Artifacts))
ghcOptHiDir]
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-hiedir", SymbolicPath Pkg ('Dir Artifacts) -> String
forall (to :: FileOrDir). SymbolicPath Pkg to -> String
u SymbolicPath Pkg ('Dir Artifacts)
dir] | SymbolicPath Pkg ('Dir Artifacts)
dir <- (GhcOptions -> Flag (SymbolicPath Pkg ('Dir Artifacts)))
-> [SymbolicPath Pkg ('Dir Artifacts)]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag (SymbolicPath Pkg ('Dir Artifacts))
ghcOptHieDir]
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-stubdir", SymbolicPath Pkg ('Dir Artifacts) -> String
forall (to :: FileOrDir). SymbolicPath Pkg to -> String
u SymbolicPath Pkg ('Dir Artifacts)
dir] | SymbolicPath Pkg ('Dir Artifacts)
dir <- (GhcOptions -> Flag (SymbolicPath Pkg ('Dir Artifacts)))
-> [SymbolicPath Pkg ('Dir Artifacts)]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag (SymbolicPath Pkg ('Dir Artifacts))
ghcOptStubDir]
        , -----------------------
          -- Source search path

          [String
"-i" | (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptSourcePathClear]
        , [String
"-i" String -> String -> String
forall a. [a] -> [a] -> [a]
++ SymbolicPath Pkg ('Dir Source) -> String
forall (to :: FileOrDir). SymbolicPath Pkg to -> String
u SymbolicPath Pkg ('Dir Source)
dir | SymbolicPath Pkg ('Dir Source)
dir <- (GhcOptions -> NubListR (SymbolicPath Pkg ('Dir Source)))
-> [SymbolicPath Pkg ('Dir Source)]
forall {a}. (GhcOptions -> NubListR a) -> [a]
flags GhcOptions -> NubListR (SymbolicPath Pkg ('Dir Source))
ghcOptSourcePath]
        , --------------------

          --------------------
          -- CPP, C, and C++ stuff

          [String
"-I" String -> String -> String
forall a. [a] -> [a] -> [a]
++ SymbolicPath Pkg ('Dir Include) -> String
forall (to :: FileOrDir). SymbolicPath Pkg to -> String
u SymbolicPath Pkg ('Dir Include)
dir | SymbolicPath Pkg ('Dir Include)
dir <- (GhcOptions -> NubListR (SymbolicPath Pkg ('Dir Include)))
-> [SymbolicPath Pkg ('Dir Include)]
forall {a}. (GhcOptions -> NubListR a) -> [a]
flags GhcOptions -> NubListR (SymbolicPath Pkg ('Dir Include))
ghcOptCppIncludePath]
        , [String
"-optP" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
opt | String
opt <- GhcOptions -> [String]
ghcOptCppOptions GhcOptions
opts]
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat
            [ [String
"-optP-include", String
"-optP" String -> String -> String
forall a. [a] -> [a] -> [a]
++ SymbolicPath Pkg 'File -> String
forall (to :: FileOrDir). SymbolicPath Pkg to -> String
u SymbolicPath Pkg 'File
inc]
            | SymbolicPath Pkg 'File
inc <- (GhcOptions -> NubListR (SymbolicPath Pkg 'File))
-> [SymbolicPath Pkg 'File]
forall {a}. (GhcOptions -> NubListR a) -> [a]
flags GhcOptions -> NubListR (SymbolicPath Pkg 'File)
ghcOptCppIncludes
            ]
        , [String
"-optc" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
opt | String
opt <- GhcOptions -> [String]
ghcOptCcOptions GhcOptions
opts]
        , -- C++ compiler options: GHC >= 8.10 requires -optcxx, older requires -optc
          let cxxflag :: String
cxxflag = case CompilerFlavor -> Compiler -> Maybe Version
compilerCompatVersion CompilerFlavor
GHC Compiler
comp of
                Just Version
v | Version
v Version -> Version -> Bool
forall a. Ord a => a -> a -> Bool
>= [Int] -> Version
mkVersion [Int
8, Int
10] -> String
"-optcxx"
                Maybe Version
_ -> String
"-optc"
           in [String
cxxflag String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
opt | String
opt <- GhcOptions -> [String]
ghcOptCxxOptions GhcOptions
opts]
        , [String
"-opta" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
opt | String
opt <- GhcOptions -> [String]
ghcOptAsmOptions GhcOptions
opts]
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-pgmc", String
cc] | String
cc <- (GhcOptions -> Flag String) -> [String]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag String
ghcOptCcProgram]
        , -----------------
          -- Linker stuff

          [String
"-optl" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
opt | String
opt <- GhcOptions -> [String]
ghcOptLinkOptions GhcOptions
opts]
        , [String
"-l" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
lib | String
lib <- GhcOptions -> [String]
ghcOptLinkLibs GhcOptions
opts]
        , [String
"-L" String -> String -> String
forall a. [a] -> [a] -> [a]
++ SymbolicPath Pkg ('Dir Lib) -> String
forall (to :: FileOrDir). SymbolicPath Pkg to -> String
u SymbolicPath Pkg ('Dir Lib)
dir | SymbolicPath Pkg ('Dir Lib)
dir <- (GhcOptions -> NubListR (SymbolicPath Pkg ('Dir Lib)))
-> [SymbolicPath Pkg ('Dir Lib)]
forall {a}. (GhcOptions -> NubListR a) -> [a]
flags GhcOptions -> NubListR (SymbolicPath Pkg ('Dir Lib))
ghcOptLinkLibPath]
        , if Bool
isOSX
            then
              [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat
                [ [String
"-framework", String
fmwk]
                | String
fmwk <- (GhcOptions -> NubListR String) -> [String]
forall {a}. (GhcOptions -> NubListR a) -> [a]
flags GhcOptions -> NubListR String
ghcOptLinkFrameworks
                ]
            else []
        , if Bool
isOSX
            then
              [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat
                [ [String
"-framework-path", SymbolicPath Pkg ('Dir Framework) -> String
forall (to :: FileOrDir). SymbolicPath Pkg to -> String
u SymbolicPath Pkg ('Dir Framework)
path]
                | SymbolicPath Pkg ('Dir Framework)
path <- (GhcOptions -> NubListR (SymbolicPath Pkg ('Dir Framework)))
-> [SymbolicPath Pkg ('Dir Framework)]
forall {a}. (GhcOptions -> NubListR a) -> [a]
flags GhcOptions -> NubListR (SymbolicPath Pkg ('Dir Framework))
ghcOptLinkFrameworkDirs
                ]
            else []
        , [String
"-no-hs-main" | (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptLinkNoHsMain]
        , [String
"-dynload deploy" | Bool -> Bool
not ([String] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null ((GhcOptions -> NubListR String) -> [String]
forall {a}. (GhcOptions -> NubListR a) -> [a]
flags GhcOptions -> NubListR String
ghcOptRPaths))]
        , [String
"-optl-Wl,-rpath," String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
dir | String
dir <- (GhcOptions -> NubListR String) -> [String]
forall {a}. (GhcOptions -> NubListR a) -> [a]
flags GhcOptions -> NubListR String
ghcOptRPaths]
        , (GhcOptions -> NubListR String) -> [String]
forall {a}. (GhcOptions -> NubListR a) -> [a]
flags GhcOptions -> NubListR String
ghcOptLinkModDefFiles
        , -------------
          -- Packages

          [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat
            [ [ if
                    | Compiler -> Bool
unitIdSupported Compiler
comp -> String
"-this-unit-id"
                    | Compiler -> Bool
packageKeySupported Compiler
comp -> String
"-this-package-key"
                    | Bool
otherwise -> String
"-package-name"
              , String
this_arg
              ]
            | String
this_arg <- (GhcOptions -> Flag String) -> [String]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag String
ghcOptThisUnitId
            ]
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat
            [ [String
"-this-component-id", ComponentId -> String
forall a. Pretty a => a -> String
prettyShow ComponentId
this_cid]
            | ComponentId
this_cid <- (GhcOptions -> Flag ComponentId) -> [ComponentId]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag ComponentId
ghcOptThisComponentId
            ]
        , if [(ModuleName, OpenModule)] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null (GhcOptions -> [(ModuleName, OpenModule)]
ghcOptInstantiatedWith GhcOptions
opts)
            then []
            else
              String
"-instantiated-with"
                String -> [String] -> [String]
forall a. a -> [a] -> [a]
: String -> [String] -> String
forall a. [a] -> [[a]] -> [a]
intercalate
                  String
","
                  ( ((ModuleName, OpenModule) -> String)
-> [(ModuleName, OpenModule)] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map
                      ( \(ModuleName
n, OpenModule
m) ->
                          ModuleName -> String
forall a. Pretty a => a -> String
prettyShow ModuleName
n
                            String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
"="
                            String -> String -> String
forall a. [a] -> [a] -> [a]
++ OpenModule -> String
forall a. Pretty a => a -> String
prettyShow OpenModule
m
                      )
                      (GhcOptions -> [(ModuleName, OpenModule)]
ghcOptInstantiatedWith GhcOptions
opts)
                  )
                String -> [String] -> [String]
forall a. a -> [a] -> [a]
: []
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-fno-code", String
"-fwrite-interface"] | (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptNoCode]
        , [String
"-hide-all-packages" | (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptHideAllPackages]
        , [String
"-Wmissing-home-modules" | (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptWarnMissingHomeModules]
        , [String
"-no-auto-link-packages" | (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
ghcOptNoAutoLinkPackages]
        , GhcImplInfo -> PackageDBStackCWD -> [String]
packageDbArgs GhcImplInfo
implInfo (Maybe (SymbolicPath CWD ('Dir Pkg))
-> PackageDBStack -> PackageDBStackCWD
interpretPackageDBStack Maybe (SymbolicPath CWD ('Dir Pkg))
forall a. Maybe a
Nothing (GhcOptions -> PackageDBStack
ghcOptPackageDBs GhcOptions
opts))
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat ([[String]] -> [String]) -> [[String]] -> [String]
forall a b. (a -> b) -> a -> b
$
            let space :: String -> String
space String
"" = String
""
                space String
xs = Char
' ' Char -> String -> String
forall a. a -> [a] -> [a]
: String
xs
             in [ [String
"-package-id", OpenUnitId -> String
forall a. Pretty a => a -> String
prettyShow OpenUnitId
ipkgid String -> String -> String
forall a. [a] -> [a] -> [a]
++ String -> String
space (ModuleRenaming -> String
forall a. Pretty a => a -> String
prettyShow ModuleRenaming
rns)]
                | (OpenUnitId
ipkgid, ModuleRenaming
rns) <- (GhcOptions -> NubListR (OpenUnitId, ModuleRenaming))
-> [(OpenUnitId, ModuleRenaming)]
forall {a}. (GhcOptions -> NubListR a) -> [a]
flags GhcOptions -> NubListR (OpenUnitId, ModuleRenaming)
ghcOptPackages
                ]
        , ----------------------------
          -- Language and extensions

          if GhcImplInfo -> Bool
supportsHaskell2010 GhcImplInfo
implInfo
            then [String
"-X" String -> String -> String
forall a. [a] -> [a] -> [a]
++ Language -> String
forall a. Pretty a => a -> String
prettyShow Language
lang | Language
lang <- (GhcOptions -> Flag Language) -> [Language]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag Language
ghcOptLanguage]
            else []
        , [ String
ext'
          | Extension
ext <- (GhcOptions -> NubListR Extension) -> [Extension]
forall {a}. (GhcOptions -> NubListR a) -> [a]
flags GhcOptions -> NubListR Extension
ghcOptExtensions
          , String
ext' <- case Extension -> Map Extension (Maybe String) -> Maybe (Maybe String)
forall k a. Ord k => k -> Map k a -> Maybe a
Map.lookup Extension
ext (GhcOptions -> Map Extension (Maybe String)
ghcOptExtensionMap GhcOptions
opts) of
              Just (Just String
arg) -> [String
arg]
              Just Maybe String
Nothing -> []
              Maybe (Maybe String)
Nothing ->
                String -> [String]
forall a. HasCallStack => String -> a
error (String -> [String]) -> String -> [String]
forall a b. (a -> b) -> a -> b
$
                  String
"Distribution.Simple.Program.GHC.renderGhcOptions: "
                    String -> String -> String
forall a. [a] -> [a] -> [a]
++ Extension -> String
forall a. Pretty a => a -> String
prettyShow Extension
ext
                    String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
" not present in ghcOptExtensionMap."
          ]
        , ----------------
          -- GHCi

          [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat
            [ [String
"-ghci-script", String
script] | String
script <- GhcOptions -> [String]
ghcOptGHCiScripts GhcOptions
opts, GhcImplInfo -> Bool
flagGhciScript GhcImplInfo
implInfo
            ]
        , ---------------
          -- Inputs

          -- Specify the input file(s) first, so that in ghci the `main-is` module is
          -- in scope instead of the first module defined in `other-modules`.
          (SymbolicPath Pkg 'File -> String)
-> [SymbolicPath Pkg 'File] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map SymbolicPath Pkg 'File -> String
forall (to :: FileOrDir). SymbolicPath Pkg to -> String
u ([SymbolicPath Pkg 'File] -> [String])
-> [SymbolicPath Pkg 'File] -> [String]
forall a b. (a -> b) -> a -> b
$ (GhcOptions -> NubListR (SymbolicPath Pkg 'File))
-> [SymbolicPath Pkg 'File]
forall {a}. (GhcOptions -> NubListR a) -> [a]
flags GhcOptions -> NubListR (SymbolicPath Pkg 'File)
ghcOptInputFiles
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-x", String
"hs", SymbolicPath Pkg 'File -> String
forall (to :: FileOrDir). SymbolicPath Pkg to -> String
u SymbolicPath Pkg 'File
script] | SymbolicPath Pkg 'File
script <- (GhcOptions -> NubListR (SymbolicPath Pkg 'File))
-> [SymbolicPath Pkg 'File]
forall {a}. (GhcOptions -> NubListR a) -> [a]
flags GhcOptions -> NubListR (SymbolicPath Pkg 'File)
ghcOptInputScripts]
        , [ModuleName -> String
forall a. Pretty a => a -> String
prettyShow ModuleName
modu | ModuleName
modu <- (GhcOptions -> NubListR ModuleName) -> [ModuleName]
forall {a}. (GhcOptions -> NubListR a) -> [a]
flags GhcOptions -> NubListR ModuleName
ghcOptInputModules]
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-o", SymbolicPath Pkg 'File -> String
forall (to :: FileOrDir). SymbolicPath Pkg to -> String
u SymbolicPath Pkg 'File
out] | SymbolicPath Pkg 'File
out <- (GhcOptions -> Flag (SymbolicPath Pkg 'File))
-> [SymbolicPath Pkg 'File]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag (SymbolicPath Pkg 'File)
ghcOptOutputFile]
        , [[String]] -> [String]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [[String
"-dyno", String
out] | String
out <- (GhcOptions -> Flag String) -> [String]
forall {a}. (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag String
ghcOptOutputDynFile]
        , ---------------
          -- Extra

          GhcOptions -> [String]
ghcOptExtra GhcOptions
opts
        ]
  where
    -- See Note [Symbolic paths] in Distribution.Utils.Path
    u :: SymbolicPath Pkg to -> FilePath
    u :: forall (to :: FileOrDir). SymbolicPath Pkg to -> String
u = SymbolicPathX 'AllowAbsolute Pkg to -> String
forall (allowAbsolute :: AllowAbsolute) from (to :: FileOrDir).
SymbolicPathX allowAbsolute from to -> String
interpretSymbolicPathCWD
    implInfo :: GhcImplInfo
implInfo = Compiler -> GhcImplInfo
getImplInfo Compiler
comp
    isOSX :: Bool
isOSX = OS
os OS -> OS -> Bool
forall a. Eq a => a -> a -> Bool
== OS
OSX
    flag :: (GhcOptions -> Flag a) -> [a]
flag GhcOptions -> Flag a
flg = Flag a -> [a]
forall a. Flag a -> [a]
flagToList (GhcOptions -> Flag a
flg GhcOptions
opts)
    flags :: (GhcOptions -> NubListR a) -> [a]
flags GhcOptions -> NubListR a
flg = NubListR a -> [a]
forall a. NubListR a -> [a]
fromNubListR (NubListR a -> [a])
-> (GhcOptions -> NubListR a) -> GhcOptions -> [a]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. GhcOptions -> NubListR a
flg (GhcOptions -> [a]) -> GhcOptions -> [a]
forall a b. (a -> b) -> a -> b
$ GhcOptions
opts
    flagBool :: (GhcOptions -> Flag Bool) -> Bool
flagBool GhcOptions -> Flag Bool
flg = Bool -> Flag Bool -> Bool
forall a. a -> Flag a -> a
fromFlagOrDefault Bool
False (GhcOptions -> Flag Bool
flg GhcOptions
opts)

verbosityOpts :: Verbosity -> [String]
verbosityOpts :: Verbosity -> [String]
verbosityOpts Verbosity
verbosity
  | Verbosity
verbosity Verbosity -> Verbosity -> Bool
forall a. Ord a => a -> a -> Bool
>= Verbosity
deafening = [String
"-v"]
  | Verbosity
verbosity Verbosity -> Verbosity -> Bool
forall a. Ord a => a -> a -> Bool
>= Verbosity
normal = []
  | Bool
otherwise = [String
"-w", String
"-v0"]

-- | GHC <7.6 uses '-package-conf' instead of '-package-db'.
packageDbArgsConf :: PackageDBStackCWD -> [String]
packageDbArgsConf :: PackageDBStackCWD -> [String]
packageDbArgsConf PackageDBStackCWD
dbstack = case PackageDBStackCWD
dbstack of
  (PackageDBX String
GlobalPackageDB : PackageDBX String
UserPackageDB : PackageDBStackCWD
dbs) -> (PackageDBX String -> [String]) -> PackageDBStackCWD -> [String]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap PackageDBX String -> [String]
specific PackageDBStackCWD
dbs
  (PackageDBX String
GlobalPackageDB : PackageDBStackCWD
dbs) ->
    (String
"-no-user-package-conf")
      String -> [String] -> [String]
forall a. a -> [a] -> [a]
: (PackageDBX String -> [String]) -> PackageDBStackCWD -> [String]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap PackageDBX String -> [String]
specific PackageDBStackCWD
dbs
  PackageDBStackCWD
_ -> [String]
forall {b}. b
ierror
  where
    specific :: PackageDBX String -> [String]
specific (SpecificPackageDB String
db) = [String
"-package-conf", String
db]
    specific PackageDBX String
_ = [String]
forall {b}. b
ierror
    ierror :: b
ierror =
      String -> b
forall a. HasCallStack => String -> a
error (String -> b) -> String -> b
forall a b. (a -> b) -> a -> b
$
        String
"internal error: unexpected package db stack: "
          String -> String -> String
forall a. [a] -> [a] -> [a]
++ PackageDBStackCWD -> String
forall a. Show a => a -> String
show PackageDBStackCWD
dbstack

-- | GHC >= 7.6 uses the '-package-db' flag. See
-- https://gitlab.haskell.org/ghc/ghc/-/issues/5977.
packageDbArgsDb :: PackageDBStackCWD -> [String]
-- special cases to make arguments prettier in common scenarios
packageDbArgsDb :: PackageDBStackCWD -> [String]
packageDbArgsDb PackageDBStackCWD
dbstack = case PackageDBStackCWD
dbstack of
  (PackageDBX String
GlobalPackageDB : PackageDBX String
UserPackageDB : PackageDBStackCWD
dbs)
    | (PackageDBX String -> Bool) -> PackageDBStackCWD -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
all PackageDBX String -> Bool
forall {fp}. PackageDBX fp -> Bool
isSpecific PackageDBStackCWD
dbs -> (PackageDBX String -> [String]) -> PackageDBStackCWD -> [String]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap PackageDBX String -> [String]
single PackageDBStackCWD
dbs
  (PackageDBX String
GlobalPackageDB : PackageDBStackCWD
dbs)
    | (PackageDBX String -> Bool) -> PackageDBStackCWD -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
all PackageDBX String -> Bool
forall {fp}. PackageDBX fp -> Bool
isSpecific PackageDBStackCWD
dbs ->
        String
"-no-user-package-db"
          String -> [String] -> [String]
forall a. a -> [a] -> [a]
: (PackageDBX String -> [String]) -> PackageDBStackCWD -> [String]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap PackageDBX String -> [String]
single PackageDBStackCWD
dbs
  PackageDBStackCWD
dbs ->
    String
"-clear-package-db"
      String -> [String] -> [String]
forall a. a -> [a] -> [a]
: (PackageDBX String -> [String]) -> PackageDBStackCWD -> [String]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap PackageDBX String -> [String]
single PackageDBStackCWD
dbs
  where
    single :: PackageDBX String -> [String]
single (SpecificPackageDB String
db) = [String
"-package-db", String
db]
    single PackageDBX String
GlobalPackageDB = [String
"-global-package-db"]
    single PackageDBX String
UserPackageDB = [String
"-user-package-db"]
    isSpecific :: PackageDBX fp -> Bool
isSpecific (SpecificPackageDB fp
_) = Bool
True
    isSpecific PackageDBX fp
_ = Bool
False

packageDbArgs :: GhcImplInfo -> PackageDBStackCWD -> [String]
packageDbArgs :: GhcImplInfo -> PackageDBStackCWD -> [String]
packageDbArgs GhcImplInfo
implInfo
  | GhcImplInfo -> Bool
flagPackageConf GhcImplInfo
implInfo = PackageDBStackCWD -> [String]
packageDbArgsConf
  | Bool
otherwise = PackageDBStackCWD -> [String]
packageDbArgsDb

-- -----------------------------------------------------------------------------
-- Boilerplate Monoid instance for GhcOptions

instance Monoid GhcOptions where
  mempty :: GhcOptions
mempty = GhcOptions
forall a. (Generic a, GMonoid (Rep a)) => a
gmempty
  mappend :: GhcOptions -> GhcOptions -> GhcOptions
mappend = GhcOptions -> GhcOptions -> GhcOptions
forall a. Semigroup a => a -> a -> a
(<>)

instance Semigroup GhcOptions where
  <> :: GhcOptions -> GhcOptions -> GhcOptions
(<>) = GhcOptions -> GhcOptions -> GhcOptions
forall a. (Generic a, GSemigroup (Rep a)) => a -> a -> a
gmappend