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| 1 | +{-# LANGUAGE FlexibleContexts #-} |
| 2 | +{-# LANGUAGE RankNTypes #-} |
| 3 | +{-# LANGUAGE DataKinds #-} |
| 4 | + |
| 5 | +----------------------------------------------------------------------------- |
| 6 | + |
| 7 | +-- | |
| 8 | +-- Module : Distribution.Simple.MHS |
| 9 | +-- Copyright : Cabal Devs 2026 |
| 10 | +-- License : BSD3 |
| 11 | +-- |
| 12 | + |
| 13 | +-- Portability : portable |
| 14 | +-- |
| 15 | +-- This module contains most of the MHS-specific code for configuring, building |
| 16 | +-- and installing packages. |
| 17 | + |
| 18 | +module Distribution.Simple.MHS |
| 19 | + ( configure |
| 20 | + , getInstalledPackages |
| 21 | + , buildLib |
| 22 | + , buildExe |
| 23 | + , installLib |
| 24 | + , registerPackage |
| 25 | + ) where |
| 26 | + |
| 27 | +import Distribution.Compat.Prelude |
| 28 | +import Prelude () |
| 29 | + |
| 30 | +import Distribution.InstalledPackageInfo |
| 31 | +import Distribution.PackageDescription |
| 32 | +import Distribution.Pretty |
| 33 | +import Distribution.Simple.Compiler |
| 34 | +import Distribution.Simple.LocalBuildInfo |
| 35 | +import Distribution.Simple.Program |
| 36 | +import Distribution.Simple.Utils |
| 37 | +import Distribution.Utils.Path |
| 38 | +import Distribution.Verbosity |
| 39 | +import qualified Data.Map as Map (empty) |
| 40 | +import Distribution.System (Platform) |
| 41 | +import Distribution.Version (mkVersion, orLaterVersion) |
| 42 | +import Language.Haskell.Extension |
| 43 | +import Distribution.Simple.PackageIndex (InstalledPackageIndex) |
| 44 | +import qualified Distribution.Simple.PackageIndex as PackageIndex |
| 45 | + |
| 46 | +-- ----------------------------------------------------------------------------- |
| 47 | +-- Configuring |
| 48 | + |
| 49 | +configure |
| 50 | + :: Verbosity |
| 51 | + -> Maybe FilePath |
| 52 | + -> ProgramDb |
| 53 | + -> IO (Compiler, Maybe Platform, ProgramDb) |
| 54 | +configure verbosity hcPath progdb = do |
| 55 | + (_mhsProg, mhsVersion, progdb') <- |
| 56 | + requireProgramVersion |
| 57 | + verbosity |
| 58 | + mhsProgram |
| 59 | + (orLaterVersion (mkVersion [0, 10, 0])) |
| 60 | + (userMaybeSpecifyPath "mhs" hcPath progdb) |
| 61 | + |
| 62 | + let comp = |
| 63 | + Compiler |
| 64 | + { compilerId = CompilerId MHS mhsVersion |
| 65 | + , compilerAbiTag = NoAbiTag |
| 66 | + , compilerCompat = [] |
| 67 | + , compilerLanguages = mhsLanguages |
| 68 | + , compilerExtensions = mhsLanguageExtensions |
| 69 | + , compilerProperties = Map.empty |
| 70 | + , compilerWiredInUnitIds = Nothing |
| 71 | + } |
| 72 | + compPlatform = Nothing |
| 73 | + info verbosity $ "MHS configured with languages: " ++ show (map fst mhsLanguages) |
| 74 | + return (comp, compPlatform, progdb') |
| 75 | + |
| 76 | +mhsLanguages :: [(Language, CompilerFlag)] |
| 77 | +mhsLanguages = [(Haskell2010, ""), (Haskell98, "")] -- MHS docs say it supports 2010 but 98 should be fine too |
| 78 | + |
| 79 | +mhsLanguageExtensions :: [(Extension, Maybe CompilerFlag)] |
| 80 | +mhsLanguageExtensions = |
| 81 | + [ |
| 82 | + -- TODO: use the list from the MHS documentation |
| 83 | + ] |
| 84 | + |
| 85 | +getInstalledPackages |
| 86 | + :: Verbosity |
| 87 | + -> Compiler |
| 88 | + -> Maybe (SymbolicPath CWD (Dir from)) |
| 89 | + -> PackageDBStackX (SymbolicPath from (Dir PkgDB)) |
| 90 | + -> ProgramDb |
| 91 | + -> IO InstalledPackageIndex |
| 92 | +getInstalledPackages _verbosity _comp _mbWorkDir _packagedbs _progdb = |
| 93 | + return (PackageIndex.fromList []) |
| 94 | + |
| 95 | +-- ----------------------------------------------------------------------------- |
| 96 | +-- Building |
| 97 | + |
| 98 | +buildLib |
| 99 | + :: Verbosity |
| 100 | + -> PackageDescription |
| 101 | + -> LocalBuildInfo |
| 102 | + -> Library |
| 103 | + -> ComponentLocalBuildInfo |
| 104 | + -> IO () |
| 105 | +buildLib _verbosity _pkg_descr _lbi _lib _clbi = return () |
| 106 | + |
| 107 | +buildExe |
| 108 | + :: Verbosity |
| 109 | + -> PackageDescription |
| 110 | + -> LocalBuildInfo |
| 111 | + -> Executable |
| 112 | + -> ComponentLocalBuildInfo |
| 113 | + -> IO () |
| 114 | +buildExe verbosity _pkg_descr lbi exe _clbi = do |
| 115 | + let runMhsProg = runDbProgramCwd verbosity (mbWorkDirLBI lbi) mhsProgram (withPrograms lbi) |
| 116 | + |
| 117 | + let mbWorkDir = mbWorkDirLBI lbi |
| 118 | + srcMainPath <- findFileCwd verbosity mbWorkDir (hsSourceDirs $ buildInfo exe) (modulePath exe) |
| 119 | + |
| 120 | + let odir = buildDir lbi |
| 121 | + u = interpretSymbolicPathCWD |
| 122 | + |
| 123 | + mhsArgs = |
| 124 | + ["-i" ++ u d | d <- hsSourceDirs (buildInfo exe)] |
| 125 | + ++ ["-o", u $ odir </> makeRelativePathEx (prettyShow (exeName exe))] |
| 126 | + ++ [u srcMainPath] |
| 127 | + |
| 128 | + runMhsProg mhsArgs |
| 129 | + |
| 130 | +-- ----------------------------------------------------------------------------- |
| 131 | +-- Installation |
| 132 | + |
| 133 | +installLib |
| 134 | + :: Verbosity |
| 135 | + -> LocalBuildInfo |
| 136 | + -> FilePath |
| 137 | + -> FilePath |
| 138 | + -> FilePath |
| 139 | + -> PackageDescription |
| 140 | + -> Library |
| 141 | + -> ComponentLocalBuildInfo |
| 142 | + -> IO () |
| 143 | +installLib _verbosity _lbi _targetDir _dynlibTargetDir _builtDir _pkg _library _clbi = return () |
| 144 | + |
| 145 | +-- ----------------------------------------------------------------------------- |
| 146 | +-- Registering |
| 147 | + |
| 148 | +registerPackage |
| 149 | + :: Verbosity |
| 150 | + -> Maybe (SymbolicPath CWD (Dir from)) |
| 151 | + -> Compiler |
| 152 | + -> ProgramDb |
| 153 | + -> PackageDBStackS from |
| 154 | + -> InstalledPackageInfo |
| 155 | + -> IO () |
| 156 | +registerPackage _verbosity _mbWorkDir _comp _progdb _packageDbs _installedPkgInfo = return () |
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