Cabal-2.0.0.2: Distribution/Simple/GHCJS.hs
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE RankNTypes #-}
module Distribution.Simple.GHCJS (
configure, getInstalledPackages, getPackageDBContents,
buildLib, buildExe,
replLib, replExe,
startInterpreter,
installLib, installExe,
libAbiHash,
hcPkgInfo,
registerPackage,
componentGhcOptions,
getLibDir,
isDynamic,
getGlobalPackageDB,
runCmd
) where
import Prelude ()
import Distribution.Compat.Prelude
import Distribution.Types.UnqualComponentName
import Distribution.Simple.GHC.ImplInfo
import qualified Distribution.Simple.GHC.Internal as Internal
import Distribution.PackageDescription as PD
import Distribution.InstalledPackageInfo
import Distribution.Simple.PackageIndex ( InstalledPackageIndex )
import qualified Distribution.Simple.PackageIndex as PackageIndex
import Distribution.Simple.LocalBuildInfo
import qualified Distribution.Simple.Hpc as Hpc
import Distribution.Simple.BuildPaths
import Distribution.Simple.Utils
import Distribution.Simple.Program
import qualified Distribution.Simple.Program.HcPkg as HcPkg
import qualified Distribution.Simple.Program.Ar as Ar
import qualified Distribution.Simple.Program.Ld as Ld
import qualified Distribution.Simple.Program.Strip as Strip
import Distribution.Simple.Program.GHC
import Distribution.Simple.Setup hiding ( Flag )
import qualified Distribution.Simple.Setup as Cabal
import Distribution.Simple.Compiler hiding ( Flag )
import Distribution.Version
import Distribution.System
import Distribution.Verbosity
import Distribution.Utils.NubList
import Distribution.Text
import Distribution.Types.UnitId
import Language.Haskell.Extension
import qualified Data.Map as Map
import System.Directory ( doesFileExist )
import System.FilePath ( (</>), (<.>), takeExtension
, takeDirectory, replaceExtension )
configure :: Verbosity -> Maybe FilePath -> Maybe FilePath
-> ProgramDb
-> IO (Compiler, Maybe Platform, ProgramDb)
configure verbosity hcPath hcPkgPath progdb0 = do
(ghcjsProg, ghcjsVersion, progdb1) <-
requireProgramVersion verbosity ghcjsProgram
(orLaterVersion (mkVersion [0,1]))
(userMaybeSpecifyPath "ghcjs" hcPath progdb0)
Just ghcjsGhcVersion <- findGhcjsGhcVersion verbosity (programPath ghcjsProg)
let implInfo = ghcjsVersionImplInfo ghcjsVersion ghcjsGhcVersion
-- This is slightly tricky, we have to configure ghcjs first, then we use the
-- location of ghcjs to help find ghcjs-pkg in the case that the user did not
-- specify the location of ghc-pkg directly:
(ghcjsPkgProg, ghcjsPkgVersion, progdb2) <-
requireProgramVersion verbosity ghcjsPkgProgram {
programFindLocation = guessGhcjsPkgFromGhcjsPath ghcjsProg
}
anyVersion (userMaybeSpecifyPath "ghcjs-pkg" hcPkgPath progdb1)
Just ghcjsPkgGhcjsVersion <- findGhcjsPkgGhcjsVersion
verbosity (programPath ghcjsPkgProg)
when (ghcjsVersion /= ghcjsPkgGhcjsVersion) $ die' verbosity $
"Version mismatch between ghcjs and ghcjs-pkg: "
++ programPath ghcjsProg ++ " is version " ++ display ghcjsVersion ++ " "
++ programPath ghcjsPkgProg ++ " is version " ++ display ghcjsPkgGhcjsVersion
when (ghcjsGhcVersion /= ghcjsPkgVersion) $ die' verbosity $
"Version mismatch between ghcjs and ghcjs-pkg: "
++ programPath ghcjsProg
++ " was built with GHC version " ++ display ghcjsGhcVersion ++ " "
++ programPath ghcjsPkgProg
++ " was built with GHC version " ++ display ghcjsPkgVersion
-- be sure to use our versions of hsc2hs, c2hs, haddock and ghc
let hsc2hsProgram' =
hsc2hsProgram { programFindLocation =
guessHsc2hsFromGhcjsPath ghcjsProg }
c2hsProgram' =
c2hsProgram { programFindLocation =
guessC2hsFromGhcjsPath ghcjsProg }
haddockProgram' =
haddockProgram { programFindLocation =
guessHaddockFromGhcjsPath ghcjsProg }
progdb3 = addKnownPrograms [ hsc2hsProgram', c2hsProgram', haddockProgram' ] progdb2
languages <- Internal.getLanguages verbosity implInfo ghcjsProg
extensions <- Internal.getExtensions verbosity implInfo ghcjsProg
ghcInfo <- Internal.getGhcInfo verbosity implInfo ghcjsProg
let ghcInfoMap = Map.fromList ghcInfo
let comp = Compiler {
compilerId = CompilerId GHCJS ghcjsVersion,
compilerAbiTag = AbiTag $
"ghc" ++ intercalate "_" (map show . versionNumbers $ ghcjsGhcVersion),
compilerCompat = [CompilerId GHC ghcjsGhcVersion],
compilerLanguages = languages,
compilerExtensions = extensions,
compilerProperties = ghcInfoMap
}
compPlatform = Internal.targetPlatform ghcInfo
-- configure gcc and ld
let progdb4 = if ghcjsNativeToo comp
then Internal.configureToolchain implInfo
ghcjsProg ghcInfoMap progdb3
else progdb3
return (comp, compPlatform, progdb4)
ghcjsNativeToo :: Compiler -> Bool
ghcjsNativeToo = Internal.ghcLookupProperty "Native Too"
guessGhcjsPkgFromGhcjsPath :: ConfiguredProgram -> Verbosity
-> ProgramSearchPath -> IO (Maybe (FilePath, [FilePath]))
guessGhcjsPkgFromGhcjsPath = guessToolFromGhcjsPath ghcjsPkgProgram
guessHsc2hsFromGhcjsPath :: ConfiguredProgram -> Verbosity
-> ProgramSearchPath -> IO (Maybe (FilePath, [FilePath]))
guessHsc2hsFromGhcjsPath = guessToolFromGhcjsPath hsc2hsProgram
guessC2hsFromGhcjsPath :: ConfiguredProgram -> Verbosity
-> ProgramSearchPath -> IO (Maybe (FilePath, [FilePath]))
guessC2hsFromGhcjsPath = guessToolFromGhcjsPath c2hsProgram
guessHaddockFromGhcjsPath :: ConfiguredProgram -> Verbosity
-> ProgramSearchPath -> IO (Maybe (FilePath, [FilePath]))
guessHaddockFromGhcjsPath = guessToolFromGhcjsPath haddockProgram
guessToolFromGhcjsPath :: Program -> ConfiguredProgram
-> Verbosity -> ProgramSearchPath
-> IO (Maybe (FilePath, [FilePath]))
guessToolFromGhcjsPath tool ghcjsProg verbosity searchpath
= do let toolname = programName tool
path = programPath ghcjsProg
dir = takeDirectory path
versionSuffix = takeVersionSuffix (dropExeExtension path)
guessNormal = dir </> toolname <.> exeExtension
guessGhcjsVersioned = dir </> (toolname ++ "-ghcjs" ++ versionSuffix)
<.> exeExtension
guessGhcjs = dir </> (toolname ++ "-ghcjs")
<.> exeExtension
guessVersioned = dir </> (toolname ++ versionSuffix) <.> exeExtension
guesses | null versionSuffix = [guessGhcjs, guessNormal]
| otherwise = [guessGhcjsVersioned,
guessGhcjs,
guessVersioned,
guessNormal]
info verbosity $ "looking for tool " ++ toolname
++ " near compiler in " ++ dir
exists <- traverse doesFileExist guesses
case [ file | (file, True) <- zip guesses exists ] of
-- If we can't find it near ghc, fall back to the usual
-- method.
[] -> programFindLocation tool verbosity searchpath
(fp:_) -> do info verbosity $ "found " ++ toolname ++ " in " ++ fp
let lookedAt = map fst
. takeWhile (\(_file, exist) -> not exist)
$ zip guesses exists
return (Just (fp, lookedAt))
where takeVersionSuffix :: FilePath -> String
takeVersionSuffix = reverse . takeWhile (`elem ` "0123456789.-") .
reverse
-- | Given a single package DB, return all installed packages.
getPackageDBContents :: Verbosity -> PackageDB -> ProgramDb
-> IO InstalledPackageIndex
getPackageDBContents verbosity packagedb progdb = do
pkgss <- getInstalledPackages' verbosity [packagedb] progdb
toPackageIndex verbosity pkgss progdb
-- | Given a package DB stack, return all installed packages.
getInstalledPackages :: Verbosity -> PackageDBStack -> ProgramDb
-> IO InstalledPackageIndex
getInstalledPackages verbosity packagedbs progdb = do
checkPackageDbEnvVar verbosity
checkPackageDbStack verbosity packagedbs
pkgss <- getInstalledPackages' verbosity packagedbs progdb
index <- toPackageIndex verbosity pkgss progdb
return $! index
toPackageIndex :: Verbosity
-> [(PackageDB, [InstalledPackageInfo])]
-> ProgramDb
-> IO InstalledPackageIndex
toPackageIndex verbosity pkgss progdb = do
-- On Windows, various fields have $topdir/foo rather than full
-- paths. We need to substitute the right value in so that when
-- we, for example, call gcc, we have proper paths to give it.
topDir <- getLibDir' verbosity ghcjsProg
let indices = [ PackageIndex.fromList (map (Internal.substTopDir topDir) pkgs)
| (_, pkgs) <- pkgss ]
return $! (mconcat indices)
where
Just ghcjsProg = lookupProgram ghcjsProgram progdb
checkPackageDbEnvVar :: Verbosity -> IO ()
checkPackageDbEnvVar verbosity =
Internal.checkPackageDbEnvVar verbosity "GHCJS" "GHCJS_PACKAGE_PATH"
checkPackageDbStack :: Verbosity -> PackageDBStack -> IO ()
checkPackageDbStack _ (GlobalPackageDB:rest)
| GlobalPackageDB `notElem` rest = return ()
checkPackageDbStack verbosity rest
| GlobalPackageDB `notElem` rest =
die' verbosity $ "With current ghc versions the global package db is always used "
++ "and must be listed first. This ghc limitation may be lifted in "
++ "future, see http://hackage.haskell.org/trac/ghc/ticket/5977"
checkPackageDbStack verbosity _ =
die' verbosity $ "If the global package db is specified, it must be "
++ "specified first and cannot be specified multiple times"
getInstalledPackages' :: Verbosity -> [PackageDB] -> ProgramDb
-> IO [(PackageDB, [InstalledPackageInfo])]
getInstalledPackages' verbosity packagedbs progdb =
sequenceA
[ do pkgs <- HcPkg.dump (hcPkgInfo progdb) verbosity packagedb
return (packagedb, pkgs)
| packagedb <- packagedbs ]
getLibDir :: Verbosity -> LocalBuildInfo -> IO FilePath
getLibDir verbosity lbi =
(reverse . dropWhile isSpace . reverse) `fmap`
getDbProgramOutput verbosity ghcjsProgram
(withPrograms lbi) ["--print-libdir"]
getLibDir' :: Verbosity -> ConfiguredProgram -> IO FilePath
getLibDir' verbosity ghcjsProg =
(reverse . dropWhile isSpace . reverse) `fmap`
getProgramOutput verbosity ghcjsProg ["--print-libdir"]
-- | Return the 'FilePath' to the global GHC package database.
getGlobalPackageDB :: Verbosity -> ConfiguredProgram -> IO FilePath
getGlobalPackageDB verbosity ghcjsProg =
(reverse . dropWhile isSpace . reverse) `fmap`
getProgramOutput verbosity ghcjsProg ["--print-global-package-db"]
toJSLibName :: String -> String
toJSLibName lib
| takeExtension lib `elem` [".dll",".dylib",".so"]
= replaceExtension lib "js_so"
| takeExtension lib == ".a" = replaceExtension lib "js_a"
| otherwise = lib <.> "js_a"
buildLib, replLib :: Verbosity -> Cabal.Flag (Maybe Int) -> PackageDescription
-> LocalBuildInfo -> Library -> ComponentLocalBuildInfo
-> IO ()
buildLib = buildOrReplLib False
replLib = buildOrReplLib True
buildOrReplLib :: Bool -> Verbosity -> Cabal.Flag (Maybe Int)
-> PackageDescription -> LocalBuildInfo
-> Library -> ComponentLocalBuildInfo -> IO ()
buildOrReplLib forRepl verbosity numJobs pkg_descr lbi lib clbi = do
let uid = componentUnitId clbi
libTargetDir = buildDir lbi
whenVanillaLib forceVanilla =
when (not forRepl && (forceVanilla || withVanillaLib lbi))
whenProfLib = when (not forRepl && withProfLib lbi)
whenSharedLib forceShared =
when (not forRepl && (forceShared || withSharedLib lbi))
whenGHCiLib = when (not forRepl && withGHCiLib lbi && withVanillaLib lbi)
ifReplLib = when forRepl
comp = compiler lbi
platform = hostPlatform lbi
implInfo = getImplInfo comp
nativeToo = ghcjsNativeToo comp
(ghcjsProg, _) <- requireProgram verbosity ghcjsProgram (withPrograms lbi)
let runGhcjsProg = runGHC verbosity ghcjsProg comp platform
libBi = libBuildInfo lib
isGhcjsDynamic = isDynamic comp
dynamicTooSupported = supportsDynamicToo comp
doingTH = EnableExtension TemplateHaskell `elem` allExtensions libBi
forceVanillaLib = doingTH && not isGhcjsDynamic
forceSharedLib = doingTH && isGhcjsDynamic
-- TH always needs default libs, even when building for profiling
-- Determine if program coverage should be enabled and if so, what
-- '-hpcdir' should be.
let isCoverageEnabled = libCoverage lbi
pkg_name = display $ PD.package pkg_descr
distPref = fromFlag $ configDistPref $ configFlags lbi
hpcdir way
| isCoverageEnabled = toFlag $ Hpc.mixDir distPref way pkg_name
| otherwise = mempty
createDirectoryIfMissingVerbose verbosity True libTargetDir
-- TODO: do we need to put hs-boot files into place for mutually recursive
-- modules?
let cObjs = map (`replaceExtension` objExtension) (cSources libBi)
jsSrcs = jsSources libBi
baseOpts = componentGhcOptions verbosity lbi libBi clbi libTargetDir
linkJsLibOpts = mempty {
ghcOptExtra = toNubListR $
[ "-link-js-lib" , getHSLibraryName uid
, "-js-lib-outputdir", libTargetDir ] ++
concatMap (\x -> ["-js-lib-src",x]) jsSrcs
}
vanillaOptsNoJsLib = baseOpts `mappend` mempty {
ghcOptMode = toFlag GhcModeMake,
ghcOptNumJobs = numJobs,
ghcOptInputModules = toNubListR $ allLibModules lib clbi,
ghcOptHPCDir = hpcdir Hpc.Vanilla
}
vanillaOpts = vanillaOptsNoJsLib `mappend` linkJsLibOpts
profOpts = adjustExts "p_hi" "p_o" vanillaOpts `mappend` mempty {
ghcOptProfilingMode = toFlag True,
ghcOptExtra = toNubListR $
ghcjsProfOptions libBi,
ghcOptHPCDir = hpcdir Hpc.Prof
}
sharedOpts = adjustExts "dyn_hi" "dyn_o" vanillaOpts `mappend` mempty {
ghcOptDynLinkMode = toFlag GhcDynamicOnly,
ghcOptFPic = toFlag True,
ghcOptExtra = toNubListR $
ghcjsSharedOptions libBi,
ghcOptHPCDir = hpcdir Hpc.Dyn
}
linkerOpts = mempty {
ghcOptLinkOptions = toNubListR $ PD.ldOptions libBi,
ghcOptLinkLibs = toNubListR $ extraLibs libBi,
ghcOptLinkLibPath = toNubListR $ extraLibDirs libBi,
ghcOptLinkFrameworks = toNubListR $ PD.frameworks libBi,
ghcOptInputFiles =
toNubListR $ [libTargetDir </> x | x <- cObjs] ++ jsSrcs
}
replOpts = vanillaOptsNoJsLib {
ghcOptExtra = overNubListR
Internal.filterGhciFlags
(ghcOptExtra vanillaOpts),
ghcOptNumJobs = mempty
}
`mappend` linkerOpts
`mappend` mempty {
ghcOptMode = toFlag GhcModeInteractive,
ghcOptOptimisation = toFlag GhcNoOptimisation
}
vanillaSharedOpts = vanillaOpts `mappend`
mempty {
ghcOptDynLinkMode = toFlag GhcStaticAndDynamic,
ghcOptDynHiSuffix = toFlag "dyn_hi",
ghcOptDynObjSuffix = toFlag "dyn_o",
ghcOptHPCDir = hpcdir Hpc.Dyn
}
unless (forRepl || (null (allLibModules lib clbi) && null jsSrcs && null cObjs)) $
do let vanilla = whenVanillaLib forceVanillaLib (runGhcjsProg vanillaOpts)
shared = whenSharedLib forceSharedLib (runGhcjsProg sharedOpts)
useDynToo = dynamicTooSupported &&
(forceVanillaLib || withVanillaLib lbi) &&
(forceSharedLib || withSharedLib lbi) &&
null (ghcjsSharedOptions libBi)
if useDynToo
then do
runGhcjsProg vanillaSharedOpts
case (hpcdir Hpc.Dyn, hpcdir Hpc.Vanilla) of
(Cabal.Flag dynDir, Cabal.Flag vanillaDir) -> do
-- When the vanilla and shared library builds are done
-- in one pass, only one set of HPC module interfaces
-- are generated. This set should suffice for both
-- static and dynamically linked executables. We copy
-- the modules interfaces so they are available under
-- both ways.
copyDirectoryRecursive verbosity dynDir vanillaDir
_ -> return ()
else if isGhcjsDynamic
then do shared; vanilla
else do vanilla; shared
whenProfLib (runGhcjsProg profOpts)
-- build any C sources
unless (null (cSources libBi) || not nativeToo) $ do
info verbosity "Building C Sources..."
sequence_
[ do let vanillaCcOpts =
(Internal.componentCcGhcOptions verbosity implInfo
lbi libBi clbi libTargetDir filename)
profCcOpts = vanillaCcOpts `mappend` mempty {
ghcOptProfilingMode = toFlag True,
ghcOptObjSuffix = toFlag "p_o"
}
sharedCcOpts = vanillaCcOpts `mappend` mempty {
ghcOptFPic = toFlag True,
ghcOptDynLinkMode = toFlag GhcDynamicOnly,
ghcOptObjSuffix = toFlag "dyn_o"
}
odir = fromFlag (ghcOptObjDir vanillaCcOpts)
createDirectoryIfMissingVerbose verbosity True odir
runGhcjsProg vanillaCcOpts
whenSharedLib forceSharedLib (runGhcjsProg sharedCcOpts)
whenProfLib (runGhcjsProg profCcOpts)
| filename <- cSources libBi]
-- TODO: problem here is we need the .c files built first, so we can load them
-- with ghci, but .c files can depend on .h files generated by ghc by ffi
-- exports.
unless (null (allLibModules lib clbi)) $
ifReplLib (runGhcjsProg replOpts)
-- link:
when (nativeToo && not forRepl) $ do
info verbosity "Linking..."
let cProfObjs = map (`replaceExtension` ("p_" ++ objExtension))
(cSources libBi)
cSharedObjs = map (`replaceExtension` ("dyn_" ++ objExtension))
(cSources libBi)
compiler_id = compilerId (compiler lbi)
vanillaLibFilePath = libTargetDir </> mkLibName uid
profileLibFilePath = libTargetDir </> mkProfLibName uid
sharedLibFilePath = libTargetDir </> mkSharedLibName compiler_id uid
ghciLibFilePath = libTargetDir </> Internal.mkGHCiLibName uid
hObjs <- Internal.getHaskellObjects implInfo lib lbi clbi
libTargetDir objExtension True
hProfObjs <-
if (withProfLib lbi)
then Internal.getHaskellObjects implInfo lib lbi clbi
libTargetDir ("p_" ++ objExtension) True
else return []
hSharedObjs <-
if (withSharedLib lbi)
then Internal.getHaskellObjects implInfo lib lbi clbi
libTargetDir ("dyn_" ++ objExtension) False
else return []
unless (null hObjs && null cObjs) $ do
let staticObjectFiles =
hObjs
++ map (libTargetDir </>) cObjs
profObjectFiles =
hProfObjs
++ map (libTargetDir </>) cProfObjs
ghciObjFiles =
hObjs
++ map (libTargetDir </>) cObjs
dynamicObjectFiles =
hSharedObjs
++ map (libTargetDir </>) cSharedObjs
-- After the relocation lib is created we invoke ghc -shared
-- with the dependencies spelled out as -package arguments
-- and ghc invokes the linker with the proper library paths
ghcSharedLinkArgs =
mempty {
ghcOptShared = toFlag True,
ghcOptDynLinkMode = toFlag GhcDynamicOnly,
ghcOptInputFiles = toNubListR dynamicObjectFiles,
ghcOptOutputFile = toFlag sharedLibFilePath,
ghcOptExtra = toNubListR $
ghcjsSharedOptions libBi,
ghcOptNoAutoLinkPackages = toFlag True,
ghcOptPackageDBs = withPackageDB lbi,
ghcOptPackages = toNubListR $
Internal.mkGhcOptPackages clbi,
ghcOptLinkLibs = toNubListR $ extraLibs libBi,
ghcOptLinkLibPath = toNubListR $ extraLibDirs libBi
}
whenVanillaLib False $ do
Ar.createArLibArchive verbosity lbi vanillaLibFilePath staticObjectFiles
whenProfLib $ do
Ar.createArLibArchive verbosity lbi profileLibFilePath profObjectFiles
whenGHCiLib $ do
(ldProg, _) <- requireProgram verbosity ldProgram (withPrograms lbi)
Ld.combineObjectFiles verbosity ldProg
ghciLibFilePath ghciObjFiles
whenSharedLib False $
runGhcjsProg ghcSharedLinkArgs
-- | Start a REPL without loading any source files.
startInterpreter :: Verbosity -> ProgramDb -> Compiler -> Platform
-> PackageDBStack -> IO ()
startInterpreter verbosity progdb comp platform packageDBs = do
let replOpts = mempty {
ghcOptMode = toFlag GhcModeInteractive,
ghcOptPackageDBs = packageDBs
}
checkPackageDbStack verbosity packageDBs
(ghcjsProg, _) <- requireProgram verbosity ghcjsProgram progdb
runGHC verbosity ghcjsProg comp platform replOpts
buildExe, replExe :: Verbosity -> Cabal.Flag (Maybe Int)
-> PackageDescription -> LocalBuildInfo
-> Executable -> ComponentLocalBuildInfo -> IO ()
buildExe = buildOrReplExe False
replExe = buildOrReplExe True
buildOrReplExe :: Bool -> Verbosity -> Cabal.Flag (Maybe Int)
-> PackageDescription -> LocalBuildInfo
-> Executable -> ComponentLocalBuildInfo -> IO ()
buildOrReplExe forRepl verbosity numJobs _pkg_descr lbi
exe@Executable { exeName = exeName', modulePath = modPath } clbi = do
(ghcjsProg, _) <- requireProgram verbosity ghcjsProgram (withPrograms lbi)
let comp = compiler lbi
platform = hostPlatform lbi
implInfo = getImplInfo comp
runGhcjsProg = runGHC verbosity ghcjsProg comp platform
exeBi = buildInfo exe
let exeName'' = unUnqualComponentName exeName'
-- exeNameReal, the name that GHC really uses (with .exe on Windows)
let exeNameReal = exeName'' <.>
(if takeExtension exeName'' /= ('.':exeExtension)
then exeExtension
else "")
let targetDir = (buildDir lbi) </> exeName''
let exeDir = targetDir </> (exeName'' ++ "-tmp")
createDirectoryIfMissingVerbose verbosity True targetDir
createDirectoryIfMissingVerbose verbosity True exeDir
-- TODO: do we need to put hs-boot files into place for mutually recursive
-- modules? FIX: what about exeName.hi-boot?
-- Determine if program coverage should be enabled and if so, what
-- '-hpcdir' should be.
let isCoverageEnabled = exeCoverage lbi
distPref = fromFlag $ configDistPref $ configFlags lbi
hpcdir way
| isCoverageEnabled = toFlag $ Hpc.mixDir distPref way exeName''
| otherwise = mempty
-- build executables
srcMainFile <- findFile (exeDir : hsSourceDirs exeBi) modPath
let isGhcjsDynamic = isDynamic comp
dynamicTooSupported = supportsDynamicToo comp
buildRunner = case clbi of
ExeComponentLocalBuildInfo {} -> False
_ -> True
isHaskellMain = elem (takeExtension srcMainFile) [".hs", ".lhs"]
jsSrcs = jsSources exeBi
cSrcs = cSources exeBi ++ [srcMainFile | not isHaskellMain]
cObjs = map (`replaceExtension` objExtension) cSrcs
nativeToo = ghcjsNativeToo comp
baseOpts = (componentGhcOptions verbosity lbi exeBi clbi exeDir)
`mappend` mempty {
ghcOptMode = toFlag GhcModeMake,
ghcOptInputFiles = toNubListR $
[ srcMainFile | isHaskellMain],
ghcOptInputModules = toNubListR $
[ m | not isHaskellMain, m <- exeModules exe],
ghcOptExtra =
if buildRunner then toNubListR ["-build-runner"]
else mempty
}
staticOpts = baseOpts `mappend` mempty {
ghcOptDynLinkMode = toFlag GhcStaticOnly,
ghcOptHPCDir = hpcdir Hpc.Vanilla
}
profOpts = adjustExts "p_hi" "p_o" baseOpts `mappend` mempty {
ghcOptProfilingMode = toFlag True,
ghcOptExtra = toNubListR $ ghcjsProfOptions exeBi,
ghcOptHPCDir = hpcdir Hpc.Prof
}
dynOpts = adjustExts "dyn_hi" "dyn_o" baseOpts `mappend` mempty {
ghcOptDynLinkMode = toFlag GhcDynamicOnly,
ghcOptExtra = toNubListR $
ghcjsSharedOptions exeBi,
ghcOptHPCDir = hpcdir Hpc.Dyn
}
dynTooOpts = adjustExts "dyn_hi" "dyn_o" staticOpts `mappend` mempty {
ghcOptDynLinkMode = toFlag GhcStaticAndDynamic,
ghcOptHPCDir = hpcdir Hpc.Dyn
}
linkerOpts = mempty {
ghcOptLinkOptions = toNubListR $ PD.ldOptions exeBi,
ghcOptLinkLibs = toNubListR $ extraLibs exeBi,
ghcOptLinkLibPath = toNubListR $ extraLibDirs exeBi,
ghcOptLinkFrameworks = toNubListR $ PD.frameworks exeBi,
ghcOptInputFiles = toNubListR $
[exeDir </> x | x <- cObjs] ++ jsSrcs
}
replOpts = baseOpts {
ghcOptExtra = overNubListR
Internal.filterGhciFlags
(ghcOptExtra baseOpts)
}
-- For a normal compile we do separate invocations of ghc for
-- compiling as for linking. But for repl we have to do just
-- the one invocation, so that one has to include all the
-- linker stuff too, like -l flags and any .o files from C
-- files etc.
`mappend` linkerOpts
`mappend` mempty {
ghcOptMode = toFlag GhcModeInteractive,
ghcOptOptimisation = toFlag GhcNoOptimisation
}
commonOpts | withProfExe lbi = profOpts
| withDynExe lbi = dynOpts
| otherwise = staticOpts
compileOpts | useDynToo = dynTooOpts
| otherwise = commonOpts
withStaticExe = (not $ withProfExe lbi) && (not $ withDynExe lbi)
-- For building exe's that use TH with -prof or -dynamic we actually have
-- to build twice, once without -prof/-dynamic and then again with
-- -prof/-dynamic. This is because the code that TH needs to run at
-- compile time needs to be the vanilla ABI so it can be loaded up and run
-- by the compiler.
-- With dynamic-by-default GHC the TH object files loaded at compile-time
-- need to be .dyn_o instead of .o.
doingTH = EnableExtension TemplateHaskell `elem` allExtensions exeBi
-- Should we use -dynamic-too instead of compiling twice?
useDynToo = dynamicTooSupported && isGhcjsDynamic
&& doingTH && withStaticExe && null (ghcjsSharedOptions exeBi)
compileTHOpts | isGhcjsDynamic = dynOpts
| otherwise = staticOpts
compileForTH
| forRepl = False
| useDynToo = False
| isGhcjsDynamic = doingTH && (withProfExe lbi || withStaticExe)
| otherwise = doingTH && (withProfExe lbi || withDynExe lbi)
linkOpts = commonOpts `mappend`
linkerOpts `mappend` mempty {
ghcOptLinkNoHsMain = toFlag (not isHaskellMain)
}
-- Build static/dynamic object files for TH, if needed.
when compileForTH $
runGhcjsProg compileTHOpts { ghcOptNoLink = toFlag True
, ghcOptNumJobs = numJobs }
unless forRepl $
runGhcjsProg compileOpts { ghcOptNoLink = toFlag True
, ghcOptNumJobs = numJobs }
-- build any C sources
unless (null cSrcs || not nativeToo) $ do
info verbosity "Building C Sources..."
sequence_
[ do let opts = (Internal.componentCcGhcOptions verbosity implInfo lbi exeBi
clbi exeDir filename) `mappend` mempty {
ghcOptDynLinkMode = toFlag (if withDynExe lbi
then GhcDynamicOnly
else GhcStaticOnly),
ghcOptProfilingMode = toFlag (withProfExe lbi)
}
odir = fromFlag (ghcOptObjDir opts)
createDirectoryIfMissingVerbose verbosity True odir
runGhcjsProg opts
| filename <- cSrcs ]
-- TODO: problem here is we need the .c files built first, so we can load them
-- with ghci, but .c files can depend on .h files generated by ghc by ffi
-- exports.
when forRepl $ runGhcjsProg replOpts
-- link:
unless forRepl $ do
info verbosity "Linking..."
runGhcjsProg linkOpts { ghcOptOutputFile = toFlag (targetDir </> exeNameReal) }
-- |Install for ghc, .hi, .a and, if --with-ghci given, .o
installLib :: Verbosity
-> LocalBuildInfo
-> FilePath -- ^install location
-> FilePath -- ^install location for dynamic libraries
-> FilePath -- ^Build location
-> PackageDescription
-> Library
-> ComponentLocalBuildInfo
-> IO ()
installLib verbosity lbi targetDir dynlibTargetDir builtDir _pkg lib clbi = do
whenVanilla $ copyModuleFiles "js_hi"
whenProf $ copyModuleFiles "js_p_hi"
whenShared $ copyModuleFiles "js_dyn_hi"
whenVanilla $ installOrdinary builtDir targetDir $ toJSLibName vanillaLibName
whenProf $ installOrdinary builtDir targetDir $ toJSLibName profileLibName
whenShared $ installShared builtDir dynlibTargetDir $ toJSLibName sharedLibName
when (ghcjsNativeToo $ compiler lbi) $ do
-- copy .hi files over:
whenVanilla $ copyModuleFiles "hi"
whenProf $ copyModuleFiles "p_hi"
whenShared $ copyModuleFiles "dyn_hi"
-- copy the built library files over:
whenVanilla $ installOrdinaryNative builtDir targetDir vanillaLibName
whenProf $ installOrdinaryNative builtDir targetDir profileLibName
whenGHCi $ installOrdinaryNative builtDir targetDir ghciLibName
whenShared $ installSharedNative builtDir dynlibTargetDir sharedLibName
where
install isShared isJS srcDir dstDir name = do
let src = srcDir </> name
dst = dstDir </> name
createDirectoryIfMissingVerbose verbosity True dstDir
if isShared
then installExecutableFile verbosity src dst
else installOrdinaryFile verbosity src dst
when (stripLibs lbi && not isJS) $
Strip.stripLib verbosity
(hostPlatform lbi) (withPrograms lbi) dst
installOrdinary = install False True
installShared = install True True
installOrdinaryNative = install False False
installSharedNative = install True False
copyModuleFiles ext =
findModuleFiles [builtDir] [ext] (allLibModules lib clbi)
>>= installOrdinaryFiles verbosity targetDir
compiler_id = compilerId (compiler lbi)
uid = componentUnitId clbi
vanillaLibName = mkLibName uid
profileLibName = mkProfLibName uid
ghciLibName = Internal.mkGHCiLibName uid
sharedLibName = (mkSharedLibName compiler_id) uid
hasLib = not $ null (allLibModules lib clbi)
&& null (cSources (libBuildInfo lib))
whenVanilla = when (hasLib && withVanillaLib lbi)
whenProf = when (hasLib && withProfLib lbi)
whenGHCi = when (hasLib && withGHCiLib lbi)
whenShared = when (hasLib && withSharedLib lbi)
installExe :: Verbosity
-> LocalBuildInfo
-> FilePath -- ^Where to copy the files to
-> FilePath -- ^Build location
-> (FilePath, FilePath) -- ^Executable (prefix,suffix)
-> PackageDescription
-> Executable
-> IO ()
installExe verbosity lbi binDir buildPref
(progprefix, progsuffix) _pkg exe = do
createDirectoryIfMissingVerbose verbosity True binDir
let exeName' = unUnqualComponentName $ exeName exe
exeFileName = exeName'
fixedExeBaseName = progprefix ++ exeName' ++ progsuffix
installBinary dest = do
runDbProgram verbosity ghcjsProgram (withPrograms lbi) $
[ "--install-executable"
, buildPref </> exeName' </> exeFileName
, "-o", dest
] ++
case (stripExes lbi, lookupProgram stripProgram $ withPrograms lbi) of
(True, Just strip) -> ["-strip-program", programPath strip]
_ -> []
installBinary (binDir </> fixedExeBaseName)
libAbiHash :: Verbosity -> PackageDescription -> LocalBuildInfo
-> Library -> ComponentLocalBuildInfo -> IO String
libAbiHash verbosity _pkg_descr lbi lib clbi = do
let
libBi = libBuildInfo lib
comp = compiler lbi
platform = hostPlatform lbi
vanillaArgs =
(componentGhcOptions verbosity lbi libBi clbi (buildDir lbi))
`mappend` mempty {
ghcOptMode = toFlag GhcModeAbiHash,
ghcOptInputModules = toNubListR $ PD.exposedModules lib
}
profArgs = adjustExts "js_p_hi" "js_p_o" vanillaArgs `mappend` mempty {
ghcOptProfilingMode = toFlag True,
ghcOptExtra = toNubListR (ghcjsProfOptions libBi)
}
ghcArgs = if withVanillaLib lbi then vanillaArgs
else if withProfLib lbi then profArgs
else error "libAbiHash: Can't find an enabled library way"
--
(ghcjsProg, _) <- requireProgram verbosity ghcjsProgram (withPrograms lbi)
hash <- getProgramInvocationOutput verbosity
(ghcInvocation ghcjsProg comp platform ghcArgs)
return (takeWhile (not . isSpace) hash)
adjustExts :: String -> String -> GhcOptions -> GhcOptions
adjustExts hiSuf objSuf opts =
opts `mappend` mempty {
ghcOptHiSuffix = toFlag hiSuf,
ghcOptObjSuffix = toFlag objSuf
}
registerPackage :: Verbosity
-> ProgramDb
-> PackageDBStack
-> InstalledPackageInfo
-> HcPkg.RegisterOptions
-> IO ()
registerPackage verbosity progdb packageDbs installedPkgInfo registerOptions =
HcPkg.register (hcPkgInfo progdb) verbosity packageDbs
installedPkgInfo registerOptions
componentGhcOptions :: Verbosity -> LocalBuildInfo
-> BuildInfo -> ComponentLocalBuildInfo -> FilePath
-> GhcOptions
componentGhcOptions verbosity lbi bi clbi odir =
let opts = Internal.componentGhcOptions verbosity implInfo lbi bi clbi odir
comp = compiler lbi
implInfo = getImplInfo comp
in opts { ghcOptExtra = ghcOptExtra opts `mappend` toNubListR
(hcOptions GHCJS bi)
}
ghcjsProfOptions :: BuildInfo -> [String]
ghcjsProfOptions bi =
hcProfOptions GHC bi `mappend` hcProfOptions GHCJS bi
ghcjsSharedOptions :: BuildInfo -> [String]
ghcjsSharedOptions bi =
hcSharedOptions GHC bi `mappend` hcSharedOptions GHCJS bi
isDynamic :: Compiler -> Bool
isDynamic = Internal.ghcLookupProperty "GHC Dynamic"
supportsDynamicToo :: Compiler -> Bool
supportsDynamicToo = Internal.ghcLookupProperty "Support dynamic-too"
findGhcjsGhcVersion :: Verbosity -> FilePath -> IO (Maybe Version)
findGhcjsGhcVersion verbosity pgm =
findProgramVersion "--numeric-ghc-version" id verbosity pgm
findGhcjsPkgGhcjsVersion :: Verbosity -> FilePath -> IO (Maybe Version)
findGhcjsPkgGhcjsVersion verbosity pgm =
findProgramVersion "--numeric-ghcjs-version" id verbosity pgm
-- -----------------------------------------------------------------------------
-- Registering
hcPkgInfo :: ProgramDb -> HcPkg.HcPkgInfo
hcPkgInfo progdb = HcPkg.HcPkgInfo { HcPkg.hcPkgProgram = ghcjsPkgProg
, HcPkg.noPkgDbStack = False
, HcPkg.noVerboseFlag = False
, HcPkg.flagPackageConf = False
, HcPkg.supportsDirDbs = True
, HcPkg.requiresDirDbs = ver >= v7_10
, HcPkg.nativeMultiInstance = ver >= v7_10
, HcPkg.recacheMultiInstance = True
, HcPkg.suppressFilesCheck = True
}
where
v7_10 = mkVersion [7,10]
Just ghcjsPkgProg = lookupProgram ghcjsPkgProgram progdb
Just ver = programVersion ghcjsPkgProg
-- | Get the JavaScript file name and command and arguments to run a
-- program compiled by GHCJS
-- the exe should be the base program name without exe extension
runCmd :: ProgramDb -> FilePath
-> (FilePath, FilePath, [String])
runCmd progdb exe =
( script
, programPath ghcjsProg
, programDefaultArgs ghcjsProg ++ programOverrideArgs ghcjsProg ++ ["--run"]
)
where
script = exe <.> "jsexe" </> "all" <.> "js"
Just ghcjsProg = lookupProgram ghcjsProgram progdb