{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE TupleSections #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE ViewPatterns #-}
{-# LANGUAGE CPP #-}
module Stack.Package
(readPackage
,readPackageBS
,readPackageDir
,readPackageUnresolved
,readPackageUnresolvedBS
,resolvePackage
,getCabalFileName
,Package(..)
,GetPackageFiles(..)
,GetPackageOpts(..)
,PackageConfig(..)
,buildLogPath
,PackageException (..)
,resolvePackageDescription
,packageToolDependencies
,packageDependencies
,packageIdentifier
,autogenDir
,checkCabalFileName
,printCabalFileWarning)
where
import Control.Exception hiding (try,catch)
import Control.Monad
import Control.Monad.Catch
import Control.Monad.IO.Class
import Control.Monad.Logger (MonadLogger,logWarn)
import Control.Monad.Reader
import qualified Data.ByteString as BS
import qualified Data.ByteString.Char8 as C8
import Data.Either
import Data.Function
import Data.List
import Data.List.Extra (nubOrd)
import Data.Map.Strict (Map)
import qualified Data.Map.Strict as M
import Data.Maybe
import Data.Maybe.Extra
import Data.Monoid
import Data.Set (Set)
import qualified Data.Set as S
import Data.Text (Text)
import qualified Data.Text as T
import Data.Text.Encoding (decodeUtf8, decodeUtf8With)
import Data.Text.Encoding.Error (lenientDecode)
import Distribution.Compiler
import Distribution.ModuleName (ModuleName)
import qualified Distribution.ModuleName as Cabal
import Distribution.Package hiding (Package,PackageName,packageName,packageVersion,PackageIdentifier)
import Distribution.PackageDescription hiding (FlagName)
import Distribution.PackageDescription.Parse
import Distribution.ParseUtils
import Distribution.Simple.Utils
import Distribution.System (OS (..), Arch, Platform (..))
import Distribution.Text (display, simpleParse)
import Path as FL
import Path.Find
import Path.IO
import Prelude
import Safe (headDef, tailSafe)
import Stack.Constants
import Stack.Types
import qualified Stack.Types.PackageIdentifier
import System.Directory (doesFileExist, getDirectoryContents)
import System.FilePath (splitExtensions, replaceExtension)
import qualified System.FilePath as FilePath
import System.IO.Error
packageIdentifier :: Package -> Stack.Types.PackageIdentifier.PackageIdentifier
packageIdentifier pkg =
Stack.Types.PackageIdentifier.PackageIdentifier
(packageName pkg)
(packageVersion pkg)
readPackageUnresolved :: (MonadIO m, MonadThrow m)
=> Path Abs File
-> m ([PWarning],GenericPackageDescription)
readPackageUnresolved cabalfp =
liftIO (BS.readFile (FL.toFilePath cabalfp))
>>= readPackageUnresolvedBS (Just cabalfp)
readPackageUnresolvedBS :: (MonadThrow m)
=> Maybe (Path Abs File)
-> BS.ByteString
-> m ([PWarning],GenericPackageDescription)
readPackageUnresolvedBS mcabalfp bs =
case parsePackageDescription chars of
ParseFailed per ->
throwM (PackageInvalidCabalFile mcabalfp per)
ParseOk warnings gpkg -> return (warnings,gpkg)
where
chars = T.unpack (dropBOM (decodeUtf8With lenientDecode bs))
dropBOM t = fromMaybe t $ T.stripPrefix "\xFEFF" t
readPackage :: (MonadLogger m, MonadIO m, MonadThrow m, MonadCatch m)
=> PackageConfig
-> Path Abs File
-> m ([PWarning],Package)
readPackage packageConfig cabalfp =
do (warnings,gpkg) <- readPackageUnresolved cabalfp
return (warnings,resolvePackage packageConfig gpkg)
readPackageBS :: (MonadThrow m)
=> PackageConfig
-> BS.ByteString
-> m ([PWarning],Package)
readPackageBS packageConfig bs =
do (warnings,gpkg) <- readPackageUnresolvedBS Nothing bs
return (warnings,resolvePackage packageConfig gpkg)
readPackageDir :: (MonadLogger m, MonadIO m, MonadThrow m, MonadCatch m)
=> PackageConfig
-> Path Abs Dir
-> m (Path Abs File, [PWarning], Package)
readPackageDir packageConfig dir = do
cabalfp <- getCabalFileName dir
(warnings,pkg) <- readPackage packageConfig cabalfp
checkCabalFileName (packageName pkg) cabalfp
return (cabalfp, warnings, pkg)
printCabalFileWarning
:: (MonadLogger m)
=> Path Abs File -> PWarning -> m ()
printCabalFileWarning cabalfp =
\case
(PWarning x) ->
$logWarn
("Cabal file warning in " <> T.pack (toFilePath cabalfp) <>
": " <>
T.pack x)
(UTFWarning line msg) ->
$logWarn
("Cabal file warning in " <> T.pack (toFilePath cabalfp) <> ":" <>
T.pack (show line) <>
": " <>
T.pack msg)
checkCabalFileName :: MonadThrow m => PackageName -> Path Abs File -> m ()
checkCabalFileName name cabalfp = do
let expected = packageNameString name ++ ".cabal"
when (expected /= toFilePath (filename cabalfp))
$ throwM $ MismatchedCabalName cabalfp name
resolvePackage :: PackageConfig
-> GenericPackageDescription
-> Package
resolvePackage packageConfig gpkg =
Package
{ packageName = name
, packageVersion = fromCabalVersion (pkgVersion pkgId)
, packageDeps = deps
, packageFiles = pkgFiles
, packageTools = packageDescTools pkg
, packageFlags = packageConfigFlags packageConfig
, packageAllDeps = S.fromList (M.keys deps)
, packageHasLibrary = maybe False (buildable . libBuildInfo) (library pkg)
, packageTests = S.fromList $
[T.pack (testName t) | t <- testSuites pkg
, buildable (testBuildInfo t)]
, packageBenchmarks = S.fromList $
[T.pack (benchmarkName b) | b <- benchmarks pkg
, buildable (benchmarkBuildInfo b)]
, packageExes = S.fromList $
[T.pack (exeName b) | b <- executables pkg
, buildable (buildInfo b)]
, packageOpts = GetPackageOpts $
\sourceMap locals cabalfp ->
do (componentsModules,componentFiles,_,_) <- getPackageFiles pkgFiles cabalfp
(componentsOpts,generalOpts) <-
generatePkgDescOpts sourceMap locals cabalfp pkg componentFiles
return (componentsModules,componentFiles,componentsOpts,generalOpts)
, packageHasExposedModules = maybe
False
(not . null . exposedModules)
(library pkg)
, packageSimpleType = buildType (packageDescription gpkg) == Just Simple
, packageDefinedFlags = S.fromList $
map (fromCabalFlagName . flagName) $ genPackageFlags gpkg
}
where
pkgFiles = GetPackageFiles $
\cabalfp ->
do distDir <- distDirFromDir (parent cabalfp)
(componentModules,componentFiles,cabalFiles,warnings) <-
runReaderT
(packageDescModulesAndFiles pkg)
(cabalfp, buildDir distDir)
return (componentModules, componentFiles, cabalFiles, warnings)
pkgId = package (packageDescription gpkg)
name = fromCabalPackageName (pkgName pkgId)
pkg = resolvePackageDescription packageConfig gpkg
deps = M.filterWithKey (const . (/= name)) (packageDependencies pkg)
generatePkgDescOpts
:: (HasEnvConfig env, HasPlatform env, MonadThrow m, MonadReader env m, MonadIO m)
=> SourceMap
-> [PackageName]
-> Path Abs File
-> PackageDescription
-> Map NamedComponent (Set DotCabalPath)
-> m (Map NamedComponent [String],[String])
generatePkgDescOpts sourceMap locals cabalfp pkg componentPaths = do
distDir <- distDirFromDir cabalDir
let cabalmacros = autogenDir distDir </> $(mkRelFile "cabal_macros.h")
exists <- fileExists cabalmacros
let mcabalmacros =
if exists
then Just cabalmacros
else Nothing
let generate namedComponent binfo =
( namedComponent
, generateBuildInfoOpts
sourceMap
mcabalmacros
cabalDir
distDir
locals
binfo
(fromMaybe mempty (M.lookup namedComponent componentPaths))
namedComponent)
return
( M.fromList
(concat
[ maybe
[]
(return . generate CLib . libBuildInfo)
(library pkg)
, map
(\exe ->
(generate
(CExe (T.pack (exeName exe)))
(buildInfo exe)))
(executables pkg)
, map
(\bench ->
(generate
(CBench (T.pack (benchmarkName bench)))
(benchmarkBuildInfo bench)))
(benchmarks pkg)
, map
(\test ->
(generate
(CBench (T.pack (testName test)))
(testBuildInfo test)))
(testSuites pkg)])
, ["-hide-all-packages"])
where
cabalDir = parent cabalfp
generateBuildInfoOpts
:: SourceMap
-> Maybe (Path Abs File)
-> Path Abs Dir
-> Path Abs Dir
-> [PackageName]
-> BuildInfo
-> Set DotCabalPath
-> NamedComponent
-> [String]
generateBuildInfoOpts sourceMap mcabalmacros cabalDir distDir locals b dotCabalPaths componentName =
nubOrd (concat [ghcOpts b, extOpts b, srcOpts, includeOpts, macros, deps, extra b, extraDirs, fworks b, cObjectFiles])
where
cObjectFiles =
mapMaybe (fmap toFilePath .
makeObjectFilePathFromC cabalDir componentName distDir)
cfiles
cfiles = mapMaybe dotCabalCFilePath (S.toList dotCabalPaths)
deps =
concat
[ ["-package=" <> display name <>
maybe ""
((("-" <>) . versionString) . sourceVersion)
(M.lookup (fromCabalPackageName name) sourceMap)]
| Dependency name _ <- targetBuildDepends b
, not (elem name (map toCabalPackageName locals))]
sourceVersion (PSUpstream ver _ _) = ver
sourceVersion (PSLocal localPkg) = packageVersion (lpPackage localPkg)
macros =
case mcabalmacros of
Nothing -> []
Just cabalmacros ->
["-optP-include", "-optP" <> toFilePath cabalmacros]
ghcOpts = concatMap snd . filter (isGhc . fst) . options
where
isGhc GHC = True
isGhc _ = False
extOpts = map (("-X" ++) . display) . usedExtensions
srcOpts =
map
(("-i" <>) . toFilePath)
(cabalDir :
map (cabalDir </>) (mapMaybe parseRelDir (hsSourceDirs b)) <>
[autogenDir distDir,buildDir distDir]) ++
["-stubdir=" ++ toFilePath (buildDir distDir)]
includeOpts =
[ "-I" <> toFilePath absDir
| dir <- includeDirs b
, absDir <- case (parseAbsDir dir, parseRelDir dir) of
(Just ab, _ ) -> [ab]
(_ , Just rel) -> [cabalDir </> rel]
(Nothing, Nothing ) -> []
]
extra
= map ("-l" <>)
. extraLibs
extraDirs =
[ "-L" <> toFilePath absDir
| dir <- extraLibDirs b
, absDir <- case (parseAbsDir dir, parseRelDir dir) of
(Just ab, _ ) -> [ab]
(_ , Just rel) -> [cabalDir </> rel]
(Nothing, Nothing ) -> []
]
fworks = map (\fwk -> "-framework=" <> fwk) . frameworks
makeObjectFilePathFromC
:: MonadThrow m
=> Path Abs Dir
-> NamedComponent
-> Path Abs Dir
-> Path Abs File
-> m (Path Abs File)
makeObjectFilePathFromC cabalDir namedComponent distDir cFilePath = do
relCFilePath <- stripDir cabalDir cFilePath
relOFilePath <-
parseRelFile (replaceExtension (toFilePath relCFilePath) "o")
addComponentPrefix <- fromComponentName
return (addComponentPrefix (buildDir distDir) </> relOFilePath)
where
fromComponentName =
case namedComponent of
CLib -> return id
CExe name -> makeTmp name
CTest name -> makeTmp name
CBench name -> makeTmp name
makeTmp name = do
prefix <- parseRelDir (T.unpack name <> "/" <> T.unpack name <> "-tmp")
return (</> prefix)
autogenDir :: Path Abs Dir -> Path Abs Dir
autogenDir distDir = buildDir distDir </> $(mkRelDir "autogen")
buildDir :: Path Abs Dir -> Path Abs Dir
buildDir distDir = distDir </> $(mkRelDir "build")
getBuildComponentDir :: Maybe String -> Maybe (Path Rel Dir)
getBuildComponentDir Nothing = Nothing
getBuildComponentDir (Just name) = parseRelDir (name FilePath.</> (name ++ "-tmp"))
packageDependencies :: PackageDescription -> Map PackageName VersionRange
packageDependencies =
M.fromListWith intersectVersionRanges .
concatMap (map (\dep -> ((depName dep),depRange dep)) .
targetBuildDepends) .
allBuildInfo'
packageToolDependencies :: PackageDescription -> Map BS.ByteString VersionRange
packageToolDependencies =
M.fromList .
concatMap (map (\dep -> ((packageNameByteString $ depName dep),depRange dep)) .
buildTools) .
allBuildInfo'
packageDescTools :: PackageDescription -> [Dependency]
packageDescTools = concatMap buildTools . allBuildInfo'
allBuildInfo' :: PackageDescription -> [BuildInfo]
allBuildInfo' pkg_descr = [ bi | Just lib <- [library pkg_descr]
, let bi = libBuildInfo lib
, True || buildable bi ]
++ [ bi | exe <- executables pkg_descr
, let bi = buildInfo exe
, True || buildable bi ]
++ [ bi | tst <- testSuites pkg_descr
, let bi = testBuildInfo tst
, True || buildable bi
, testEnabled tst ]
++ [ bi | tst <- benchmarks pkg_descr
, let bi = benchmarkBuildInfo tst
, True || buildable bi
, benchmarkEnabled tst ]
packageDescModulesAndFiles
:: (MonadLogger m, MonadIO m, MonadThrow m, MonadReader (Path Abs File, Path Abs Dir) m, MonadCatch m)
=> PackageDescription
-> m (Map NamedComponent (Set ModuleName), Map NamedComponent (Set DotCabalPath), Set (Path Abs File), [PackageWarning])
packageDescModulesAndFiles pkg = do
(libraryMods,libDotCabalFiles,libWarnings) <-
maybe
(return (M.empty, M.empty, []))
(asModuleAndFileMap libComponent libraryFiles)
(library pkg)
(executableMods,exeDotCabalFiles,exeWarnings) <-
liftM
foldTuples
(mapM
(asModuleAndFileMap exeComponent executableFiles)
(executables pkg))
(testMods,testDotCabalFiles,testWarnings) <-
liftM
foldTuples
(mapM (asModuleAndFileMap testComponent testFiles) (testSuites pkg))
(benchModules,benchDotCabalPaths,benchWarnings) <-
liftM
foldTuples
(mapM
(asModuleAndFileMap benchComponent benchmarkFiles)
(benchmarks pkg))
(dfiles) <- resolveGlobFiles (map (dataDir pkg FilePath.</>) (dataFiles pkg))
let modules = libraryMods <> executableMods <> testMods <> benchModules
files =
libDotCabalFiles <> exeDotCabalFiles <> testDotCabalFiles <>
benchDotCabalPaths
warnings = libWarnings <> exeWarnings <> testWarnings <> benchWarnings
return (modules, files, dfiles, warnings)
where
libComponent = const CLib
exeComponent = CExe . T.pack . exeName
testComponent = CTest . T.pack . testName
benchComponent = CBench . T.pack . benchmarkName
asModuleAndFileMap label f lib = do
(a,b,c) <- f lib
return (M.singleton (label lib) a, M.singleton (label lib) b, c)
foldTuples = foldl' (<>) (M.empty, M.empty, [])
resolveGlobFiles :: (MonadLogger m,MonadIO m,MonadThrow m,MonadReader (Path Abs File, Path Abs Dir) m,MonadCatch m)
=> [String] -> m (Set (Path Abs File))
resolveGlobFiles =
liftM (S.fromList . catMaybes . concat) .
mapM resolve
where
resolve name =
if any (== '*') name
then explode name
else liftM return (resolveFileOrWarn name)
explode name = do
dir <- asks (parent . fst)
names <-
matchDirFileGlob'
(FL.toFilePath dir)
name
mapM resolveFileOrWarn names
matchDirFileGlob' dir glob =
catch
(liftIO (matchDirFileGlob_ dir glob))
(\(e :: IOException) ->
if isUserError e
then do
$logWarn
("Wildcard does not match any files: " <> T.pack glob <> "\n" <>
"in directory: " <> T.pack dir)
return []
else throwM e)
matchDirFileGlob_ :: String -> String -> IO [String]
matchDirFileGlob_ dir filepath = case parseFileGlob filepath of
Nothing -> die $ "invalid file glob '" ++ filepath
++ "'. Wildcards '*' are only allowed in place of the file"
++ " name, not in the directory name or file extension."
++ " If a wildcard is used it must be with an file extension."
Just (NoGlob filepath') -> return [filepath']
Just (FileGlob dir' ext) -> do
files <- getDirectoryContents (dir FilePath.</> dir')
case [ dir' FilePath.</> file
| file <- files
, let (name, ext') = splitExtensions file
, not (null name) && isSuffixOf ext ext' ] of
[] -> die $ "filepath wildcard '" ++ filepath
++ "' does not match any files."
matches -> return matches
benchmarkFiles
:: (MonadLogger m, MonadIO m, MonadThrow m, MonadReader (Path Abs File, Path Abs Dir) m)
=> Benchmark -> m (Set ModuleName, Set DotCabalPath, [PackageWarning])
benchmarkFiles bench = do
dirs <- mapMaybeM resolveDirOrWarn (hsSourceDirs build)
dir <- asks (parent . fst)
(modules,files,warnings) <-
resolveFilesAndDeps
(Just $ benchmarkName bench)
(dirs ++ [dir])
(bnames <> exposed)
haskellModuleExts
cfiles <- buildOtherSources build
return (modules, files <> cfiles, warnings)
where
exposed =
case benchmarkInterface bench of
BenchmarkExeV10 _ fp -> [DotCabalMain fp]
BenchmarkUnsupported _ -> []
bnames = map DotCabalModule (otherModules build)
build = benchmarkBuildInfo bench
testFiles
:: (MonadLogger m, MonadIO m, MonadThrow m, MonadReader (Path Abs File, Path Abs Dir) m)
=> TestSuite
-> m (Set ModuleName, Set DotCabalPath, [PackageWarning])
testFiles test = do
dirs <- mapMaybeM resolveDirOrWarn (hsSourceDirs build)
dir <- asks (parent . fst)
(modules,files,warnings) <-
resolveFilesAndDeps
(Just $ testName test)
(dirs ++ [dir])
(bnames <> exposed)
haskellModuleExts
cfiles <- buildOtherSources build
return (modules, files <> cfiles, warnings)
where
exposed =
case testInterface test of
TestSuiteExeV10 _ fp -> [DotCabalMain fp]
TestSuiteLibV09 _ mn -> [DotCabalModule mn]
TestSuiteUnsupported _ -> []
bnames = map DotCabalModule (otherModules build)
build = testBuildInfo test
executableFiles
:: (MonadLogger m, MonadIO m, MonadThrow m, MonadReader (Path Abs File, Path Abs Dir) m)
=> Executable
-> m (Set ModuleName, Set DotCabalPath, [PackageWarning])
executableFiles exe = do
dirs <- mapMaybeM resolveDirOrWarn (hsSourceDirs build)
dir <- asks (parent . fst)
(modules,files,warnings) <-
resolveFilesAndDeps
(Just $ exeName exe)
(dirs ++ [dir])
(map DotCabalModule (otherModules build) ++
[DotCabalMain (modulePath exe)])
haskellModuleExts
cfiles <- buildOtherSources build
return (modules, files <> cfiles, warnings)
where
build = buildInfo exe
libraryFiles
:: (MonadLogger m, MonadIO m, MonadThrow m, MonadReader (Path Abs File, Path Abs Dir) m)
=> Library -> m (Set ModuleName, Set DotCabalPath, [PackageWarning])
libraryFiles lib = do
dirs <- mapMaybeM resolveDirOrWarn (hsSourceDirs build)
dir <- asks (parent . fst)
(modules,files,warnings) <-
resolveFilesAndDeps
Nothing
(dirs ++ [dir])
(names <> exposed)
haskellModuleExts
cfiles <- buildOtherSources build
return (modules, files <> cfiles, warnings)
where
names = concat [bnames, exposed]
exposed = map DotCabalModule (exposedModules lib)
bnames = map DotCabalModule (otherModules build)
build = libBuildInfo lib
buildOtherSources :: (MonadLogger m,MonadIO m,MonadThrow m,MonadReader (Path Abs File, Path Abs Dir) m)
=> BuildInfo -> m (Set DotCabalPath)
buildOtherSources build =
do csources <- liftM
(S.map DotCabalCFilePath . S.fromList)
(mapMaybeM resolveFileOrWarn (cSources build))
jsources <- liftM
(S.map DotCabalFilePath . S.fromList)
(mapMaybeM resolveFileOrWarn (targetJsSources build))
return (csources <> jsources)
targetJsSources :: BuildInfo -> [FilePath]
#if MIN_VERSION_Cabal(1, 22, 0)
targetJsSources = jsSources
#else
targetJsSources = const []
#endif
resolvePackageDescription :: PackageConfig
-> GenericPackageDescription
-> PackageDescription
resolvePackageDescription packageConfig (GenericPackageDescription desc defaultFlags mlib exes tests benches) =
desc {library =
fmap (resolveConditions rc updateLibDeps) mlib
,executables =
map (\(n, v) -> (resolveConditions rc updateExeDeps v){exeName=n})
exes
,testSuites =
map (\(n,v) -> (resolveConditions rc updateTestDeps v){testName=n})
tests
,benchmarks =
map (\(n,v) -> (resolveConditions rc updateBenchmarkDeps v){benchmarkName=n})
benches}
where flags =
M.union (packageConfigFlags packageConfig)
(flagMap defaultFlags)
rc = mkResolveConditions
(packageConfigCompilerVersion packageConfig)
(packageConfigPlatform packageConfig)
flags
updateLibDeps lib deps =
lib {libBuildInfo =
((libBuildInfo lib) {targetBuildDepends =
deps})}
updateExeDeps exe deps =
exe {buildInfo =
(buildInfo exe) {targetBuildDepends = deps}}
updateTestDeps test deps =
test {testBuildInfo =
(testBuildInfo test) {targetBuildDepends = deps}
,testEnabled = packageConfigEnableTests packageConfig}
updateBenchmarkDeps benchmark deps =
benchmark {benchmarkBuildInfo =
(benchmarkBuildInfo benchmark) {targetBuildDepends = deps}
,benchmarkEnabled = packageConfigEnableBenchmarks packageConfig}
flagMap :: [Flag] -> Map FlagName Bool
flagMap = M.fromList . map pair
where pair :: Flag -> (FlagName, Bool)
pair (MkFlag (fromCabalFlagName -> name) _desc def _manual) = (name,def)
data ResolveConditions = ResolveConditions
{ rcFlags :: Map FlagName Bool
, rcCompilerVersion :: CompilerVersion
, rcOS :: OS
, rcArch :: Arch
}
mkResolveConditions :: CompilerVersion
-> Platform
-> Map FlagName Bool
-> ResolveConditions
mkResolveConditions compilerVersion (Platform arch os) flags = ResolveConditions
{ rcFlags = flags
, rcCompilerVersion = compilerVersion
, rcOS = os
, rcArch = arch
}
resolveConditions :: (Monoid target,Show target)
=> ResolveConditions
-> (target -> cs -> target)
-> CondTree ConfVar cs target
-> target
resolveConditions rc addDeps (CondNode lib deps cs) = basic <> children
where basic = addDeps lib deps
children = mconcat (map apply cs)
where apply (cond,node,mcs) =
if (condSatisfied cond)
then resolveConditions rc addDeps node
else maybe mempty (resolveConditions rc addDeps) mcs
condSatisfied c =
case c of
Var v -> varSatisifed v
Lit b -> b
CNot c' ->
not (condSatisfied c')
COr cx cy ->
or [condSatisfied cx,condSatisfied cy]
CAnd cx cy ->
and [condSatisfied cx,condSatisfied cy]
varSatisifed v =
case v of
OS os -> os == rcOS rc
Arch arch -> arch == rcArch rc
Flag flag ->
case M.lookup (fromCabalFlagName flag) (rcFlags rc) of
Just x -> x
Nothing ->
False
Impl flavor range ->
case (flavor, rcCompilerVersion rc) of
(GHC, GhcVersion vghc) -> vghc `withinRange` range
(GHC, GhcjsVersion _ vghc) -> vghc `withinRange` range
#if MIN_VERSION_Cabal(1, 22, 0)
(GHCJS, GhcjsVersion vghcjs _) ->
#else
(OtherCompiler "ghcjs", GhcjsVersion vghcjs _) ->
#endif
vghcjs `withinRange` range
_ -> False
depName :: Dependency -> PackageName
depName = \(Dependency n _) -> fromCabalPackageName n
depRange :: Dependency -> VersionRange
depRange = \(Dependency _ r) -> r
resolveFilesAndDeps
:: (MonadIO m, MonadLogger m, MonadThrow m, MonadReader (Path Abs File, Path Abs Dir) m)
=> Maybe (String)
-> [Path Abs Dir]
-> [DotCabalDescriptor]
-> [Text]
-> m (Set ModuleName,Set DotCabalPath,[PackageWarning])
resolveFilesAndDeps component dirs names0 exts = do
(dotCabalPaths,foundModules) <- loop names0 S.empty
warnings <- warnUnlisted foundModules
return (foundModules, dotCabalPaths, warnings)
where
loop [] doneModules = return (S.empty, doneModules)
loop names doneModules0 = do
resolvedFiles <- resolveFiles dirs names exts
pairs <- mapM (getDependencies component) resolvedFiles
let doneModules' =
S.union
doneModules0
(S.fromList (mapMaybe dotCabalModule names))
moduleDeps = S.unions (map fst pairs)
thDepFiles = concatMap snd pairs
modulesRemaining = S.difference moduleDeps doneModules'
(resolvedFiles',doneModules'') <-
loop (map DotCabalModule (S.toList modulesRemaining)) doneModules'
return
( S.union
(S.fromList
(resolvedFiles <> map DotCabalFilePath thDepFiles))
resolvedFiles'
, doneModules'')
warnUnlisted foundModules = do
let unlistedModules =
foundModules `S.difference`
(S.fromList $ mapMaybe dotCabalModule names0)
cabalfp <- asks fst
return $
if S.null unlistedModules
then []
else [ UnlistedModulesWarning
cabalfp
component
(S.toList unlistedModules)]
getDependencies
:: (MonadReader (Path Abs File, Path Abs Dir) m, MonadIO m)
=> Maybe String -> DotCabalPath -> m (Set ModuleName, [Path Abs File])
getDependencies component dotCabalPath =
case dotCabalPath of
DotCabalModulePath resolvedFile -> readResolvedHi resolvedFile
DotCabalMainPath resolvedFile -> readResolvedHi resolvedFile
DotCabalFilePath{} -> return (S.empty, [])
DotCabalCFilePath{} -> return (S.empty, [])
where
readResolvedHi resolvedFile = do
dumpHIDir <- getDumpHIDir
dir <- asks (parent . fst)
case stripDir dir resolvedFile of
Nothing -> return (S.empty, [])
Just fileRel -> do
let dumpHIPath =
FilePath.replaceExtension
(toFilePath (dumpHIDir </> fileRel))
".dump-hi"
dumpHIExists <- liftIO $ doesFileExist dumpHIPath
if dumpHIExists
then parseDumpHI dumpHIPath
else return (S.empty, [])
getDumpHIDir = do
bld <- asks snd
return $ maybe bld (bld </>) (getBuildComponentDir component)
parseDumpHI
:: (MonadReader (Path Abs File, void) m, MonadIO m)
=> FilePath -> m (Set ModuleName, [Path Abs File])
parseDumpHI dumpHIPath = do
dir <- asks (parent . fst)
dumpHI <- liftIO $ fmap C8.lines (C8.readFile dumpHIPath)
let startModuleDeps =
dropWhile (not . ("module dependencies:" `C8.isPrefixOf`)) dumpHI
moduleDeps =
S.fromList $
mapMaybe (simpleParse . T.unpack . decodeUtf8) $
C8.words $
C8.concat $
C8.dropWhile (/= ' ') (headDef "" startModuleDeps) :
takeWhile (" " `C8.isPrefixOf`) (tailSafe startModuleDeps)
thDeps =
mapMaybe
(parseAbsOrRelFile dir <=<
(fmap T.unpack .
(T.stripSuffix "\"" <=< T.stripPrefix "\"") .
T.dropWhileEnd (== '\r') . decodeUtf8 . C8.dropWhile (/= '"'))) $
filter ("addDependentFile \"" `C8.isPrefixOf`) dumpHI
return (moduleDeps, thDeps)
where
parseAbsOrRelFile dir fp =
case parseRelFile fp of
Just rel -> Just (dir </> rel)
Nothing -> parseAbsFile fp
resolveFiles
:: (MonadIO m, MonadLogger m, MonadThrow m, MonadReader (Path Abs File, Path Abs Dir) m)
=> [Path Abs Dir]
-> [DotCabalDescriptor]
-> [Text]
-> m [DotCabalPath]
resolveFiles dirs names exts = do
liftM catMaybes (forM names (findCandidate dirs exts))
findCandidate
:: (MonadIO m, MonadLogger m, MonadThrow m, MonadReader (Path Abs File, Path Abs Dir) m)
=> [Path Abs Dir]
-> [Text]
-> DotCabalDescriptor
-> m (Maybe DotCabalPath)
findCandidate dirs exts name = do
pkg <- asks fst >>= parsePackageNameFromFilePath
candidates <- liftIO makeNameCandidates
case candidates of
[candidate] -> return (Just (cons candidate))
[] -> do
case name of
DotCabalModule mn
| not (display mn == paths_pkg pkg) -> do
logPossibilities dirs mn
_ -> return ()
return Nothing
(candidate:rest) -> do
warnMultiple name candidate rest
return (Just (cons candidate))
where
cons =
case name of
DotCabalModule{} -> DotCabalModulePath
DotCabalMain{} -> DotCabalMainPath
DotCabalFile{} -> DotCabalFilePath
DotCabalCFile{} -> DotCabalCFilePath
paths_pkg pkg = "Paths_" ++ packageNameString pkg
makeNameCandidates =
liftM (nubOrd . rights . concat) (mapM makeDirCandidates dirs)
makeDirCandidates :: Path Abs Dir
-> IO [Either ResolveException (Path Abs File)]
makeDirCandidates dir =
case name of
DotCabalMain fp -> liftM return (try (resolveFile' dir fp))
DotCabalFile fp -> liftM return (try (resolveFile' dir fp))
DotCabalCFile fp -> liftM return (try (resolveFile' dir fp))
DotCabalModule mn ->
mapM
(\ext ->
try
(resolveFile'
dir
(Cabal.toFilePath mn ++ "." ++ ext)))
(map T.unpack exts)
resolveFile'
:: (MonadIO m, MonadThrow m)
=> Path Abs Dir -> FilePath.FilePath -> m (Path Abs File)
resolveFile' x y = do
p <- parseCollapsedAbsFile (toFilePath x FilePath.</> y)
exists <- fileExists p
if exists
then return p
else throwM $ ResolveFileFailed x y (toFilePath p)
warnMultiple
:: MonadLogger m
=> DotCabalDescriptor -> Path b t -> [Path b t] -> m ()
warnMultiple name candidate rest =
$logWarn
("There were multiple candidates for the Cabal entry \"" <>
showName name <>
"(" <>
T.intercalate "," (map (T.pack . toFilePath) rest) <>
"), picking " <>
T.pack (toFilePath candidate))
where showName (DotCabalModule name') = T.pack (display name')
showName (DotCabalMain fp) = T.pack fp
showName (DotCabalFile fp) = T.pack fp
showName (DotCabalCFile fp) = T.pack fp
logPossibilities
:: (MonadIO m, MonadThrow m, MonadLogger m)
=> [Path Abs Dir] -> ModuleName -> m ()
logPossibilities dirs mn = do
possibilities <- liftM concat (makePossibilities mn)
case possibilities of
[] -> return ()
_ ->
$logWarn
("Unable to find a known candidate for the Cabal entry \"" <>
T.pack (display mn) <>
"\", but did find: " <>
T.intercalate ", " (map (T.pack . toFilePath) possibilities) <>
". If you are using a custom preprocessor for this module " <>
"with its own file extension, consider adding the file(s) " <>
"to your .cabal under extra-source-files.")
where
makePossibilities name =
mapM
(\dir ->
do (_,files) <- listDirectory dir
return
(map
filename
(filter
(isPrefixOf (display name) .
toFilePath . filename)
files)))
dirs
getCabalFileName
:: (MonadThrow m, MonadIO m)
=> Path Abs Dir
-> m (Path Abs File)
getCabalFileName pkgDir = do
files <- liftIO $ findFiles
pkgDir
(flip hasExtension "cabal" . FL.toFilePath)
(const False)
case files of
[] -> throwM $ PackageNoCabalFileFound pkgDir
[x] -> return x
_:_ -> throwM $ PackageMultipleCabalFilesFound pkgDir files
where hasExtension fp x = FilePath.takeExtension fp == "." ++ x
buildLogPath :: (MonadReader env m, HasBuildConfig env, MonadThrow m)
=> Package -> Maybe String -> m (Path Abs File)
buildLogPath package' msuffix = do
env <- ask
let stack = configProjectWorkDir env
fp <- parseRelFile $ concat $
(packageIdentifierString (packageIdentifier package')) :
(maybe id (\suffix -> ("-" :) . (suffix :)) msuffix) [".log"]
return $ stack </> $(mkRelDir "logs") </> fp
resolveOrWarn :: (MonadLogger m, MonadIO m, MonadReader (Path Abs File, Path Abs Dir) m)
=> Text
-> (Path Abs Dir -> String -> m (Maybe a))
-> FilePath.FilePath
-> m (Maybe a)
resolveOrWarn subject resolver path =
do cwd <- getWorkingDir
file <- asks fst
dir <- asks (parent . fst)
result <- resolver dir path
when (isNothing result) $
$logWarn ("Warning: " <> subject <> " listed in " <>
T.pack (maybe (FL.toFilePath file) FL.toFilePath (stripDir cwd file)) <>
" file does not exist: " <>
T.pack path)
return result
resolveFileOrWarn :: (MonadThrow m,MonadIO m,MonadLogger m,MonadReader (Path Abs File, Path Abs Dir) m)
=> FilePath.FilePath
-> m (Maybe (Path Abs File))
resolveFileOrWarn = resolveOrWarn "File" resolveFileMaybe
resolveDirOrWarn :: (MonadThrow m,MonadIO m,MonadLogger m,MonadReader (Path Abs File, Path Abs Dir) m)
=> FilePath.FilePath
-> m (Maybe (Path Abs Dir))
resolveDirOrWarn = resolveOrWarn "Directory" resolveDirMaybe