Cabal-1.2.1: Distribution/Simple/Setup.hs
{-# OPTIONS -cpp #-}
-----------------------------------------------------------------------------
-- |
-- Module : Distribution.Simple.Setup
-- Copyright : Isaac Jones 2003-2004
--
-- Maintainer : Isaac Jones <ijones@syntaxpolice.org>
-- Stability : alpha
-- Portability : portable
--
-- Explanation: Data types and parser for the standard command-line
-- setup. Will also return commands it doesn't know about.
{- All rights reserved.
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* Neither the name of Isaac Jones nor the names of other
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module Distribution.Simple.Setup (--parseArgs,
module Distribution.Simple.Compiler,
Action(..),
ConfigFlags(..), emptyConfigFlags, configureArgs,
CopyFlags(..), CopyDest(..), emptyCopyFlags,
InstallFlags(..), emptyInstallFlags,
HaddockFlags(..), emptyHaddockFlags,
HscolourFlags(..), emptyHscolourFlags,
BuildFlags(..), emptyBuildFlags,
CleanFlags(..), emptyCleanFlags,
PFEFlags(..),
MakefileFlags(..), emptyMakefileFlags,
RegisterFlags(..), emptyRegisterFlags,
SDistFlags(..),
--optionHelpString,
#ifdef DEBUG
hunitTests,
#endif
parseGlobalArgs,
parseConfigureArgs, parseBuildArgs, parseCleanArgs,
parseMakefileArgs,
parseHscolourArgs, parseHaddockArgs, parseProgramaticaArgs, parseTestArgs,
parseInstallArgs, parseSDistArgs, parseRegisterArgs,
parseUnregisterArgs, parseCopyArgs,
reqPathArg, reqDirArg
) where
-- Misc:
#ifdef DEBUG
import Test.HUnit (Test(..))
#endif
import Distribution.Simple.Compiler (CompilerFlavor(..), Compiler(..),
defaultCompilerFlavor, PackageDB(..))
import Distribution.Simple.Utils (die, wrapText)
import Distribution.Simple.Program (Program(..), ProgramConfiguration,
knownPrograms, userSpecifyPath, userSpecifyArgs)
import Data.List (find, sort)
import Data.Char( toLower, isSpace )
import Distribution.GetOpt
import Distribution.Verbosity
import System.Exit
import System.Environment
-- type CommandLineOpts = (Action,
-- [String]) -- The un-parsed remainder
data Action = ConfigCmd ConfigFlags -- config
| BuildCmd -- build
| CleanCmd -- clean
| CopyCmd CopyDest -- copy (--destdir flag)
| HscolourCmd -- hscolour
| HaddockCmd -- haddock
| ProgramaticaCmd -- pfesetup
| InstallCmd -- install (install-prefix)
| SDistCmd -- sdist
| MakefileCmd -- makefile
| TestCmd -- test
| RegisterCmd -- register
| UnregisterCmd -- unregister
| HelpCmd -- help
-- | NoCmd -- error case, help case.
-- | BDist -- 1.0
deriving Show
-- ------------------------------------------------------------
-- * Flag-related types
-- ------------------------------------------------------------
-- | Flags to @configure@ command
data ConfigFlags = ConfigFlags {
configPrograms :: ProgramConfiguration, -- ^All programs that cabal may run
configHcFlavor :: Maybe CompilerFlavor, -- ^The \"flavor\" of the compiler, sugh as GHC or Hugs.
configHcPath :: Maybe FilePath, -- ^given compiler location
configHcPkg :: Maybe FilePath, -- ^given hc-pkg location
configVanillaLib :: Bool, -- ^Enable vanilla library
configProfLib :: Bool, -- ^Enable profiling in the library
configSharedLib :: Bool, -- ^Build shared library
configProfExe :: Bool, -- ^Enable profiling in the executables.
configConfigureArgs :: [String], -- ^Extra arguments to @configure@
configOptimization :: Bool, -- ^Enable optimization.
configPrefix :: Maybe FilePath,
-- ^installation prefix
configBinDir :: Maybe FilePath,
-- ^installation dir for binaries,
configLibDir :: Maybe FilePath,
-- ^installation dir for object code libraries,
configLibSubDir :: Maybe FilePath,
-- ^subdirectory of libdir in which libs are installed
configLibExecDir :: Maybe FilePath,
-- ^installation dir for program executables,
configDataDir :: Maybe FilePath,
-- ^installation dir for read-only arch-independent data,
configDataSubDir :: Maybe FilePath,
-- ^subdirectory of datadir in which data files are installed
configDocDir :: Maybe FilePath,
-- ^installation dir for documentation
configHtmlDir :: Maybe FilePath,
-- ^installation dir for HTML documentation
configVerbose :: Verbosity, -- ^verbosity level
configPackageDB:: PackageDB, -- ^ the --user flag?
configGHCiLib :: Bool, -- ^Enable compiling library for GHCi
configSplitObjs :: Bool, -- ^Enable -split-objs with GHC
configConfigurationsFlags :: [(String, Bool)]
}
deriving Show
-- |The default configuration of a package, before running configure,
-- most things are \"Nothing\", zero, etc.
emptyConfigFlags :: ProgramConfiguration -> ConfigFlags
emptyConfigFlags progConf = ConfigFlags {
configPrograms = progConf,
configHcFlavor = defaultCompilerFlavor,
configHcPath = Nothing,
configHcPkg = Nothing,
configVanillaLib = True,
configProfLib = False,
configSharedLib = False,
configProfExe = False,
configConfigureArgs = [],
configOptimization = True,
configPrefix = Nothing,
configBinDir = Nothing,
configLibDir = Nothing,
configLibSubDir = Nothing,
configLibExecDir = Nothing,
configDataDir = Nothing,
configDataSubDir = Nothing,
configDocDir = Nothing,
configHtmlDir = Nothing,
configVerbose = normal,
configPackageDB = GlobalPackageDB,
configGHCiLib = True,
configSplitObjs = False, -- takes longer, so turn off by default
configConfigurationsFlags = []
}
-- | Flags to @copy@: (destdir, copy-prefix (backwards compat), verbosity)
data CopyFlags = CopyFlags {copyDest :: CopyDest
,copyVerbose :: Verbosity}
deriving Show
-- |The location prefix for the /copy/ command.
data CopyDest
= NoCopyDest
| CopyTo FilePath
| CopyPrefix FilePath -- DEPRECATED
deriving (Eq, Show)
emptyCopyFlags :: CopyDest -> CopyFlags
emptyCopyFlags mprefix = CopyFlags{ copyDest = mprefix,
copyVerbose = normal }
-- | Flags to @install@: (package db, verbosity)
data InstallFlags = InstallFlags {installPackageDB :: Maybe PackageDB
,installVerbose :: Verbosity}
deriving Show
emptyInstallFlags :: InstallFlags
emptyInstallFlags = InstallFlags{ installPackageDB=Nothing,
installVerbose = normal }
-- | Flags to @sdist@: (snapshot, verbosity)
data SDistFlags = SDistFlags {sDistSnapshot :: Bool
,sDistVerbose :: Verbosity}
deriving Show
-- | Flags to @register@ and @unregister@: (user package, gen-script,
-- in-place, verbosity)
data RegisterFlags = RegisterFlags { regPackageDB :: Maybe PackageDB
, regGenScript :: Bool
, regGenPkgConf :: Bool
, regPkgConfFile :: Maybe FilePath
, regInPlace :: Bool
, regVerbose :: Verbosity }
deriving Show
emptyRegisterFlags :: RegisterFlags
emptyRegisterFlags = RegisterFlags { regPackageDB = Nothing,
regGenScript = False,
regGenPkgConf = False,
regPkgConfFile = Nothing,
regInPlace = False,
regVerbose = normal }
data HscolourFlags = HscolourFlags {hscolourCSS :: Maybe FilePath
,hscolourExecutables :: Bool
,hscolourVerbose :: Verbosity}
deriving Show
emptyHscolourFlags :: HscolourFlags
emptyHscolourFlags = HscolourFlags {hscolourCSS = Nothing
,hscolourExecutables = False
,hscolourVerbose = normal}
data HaddockFlags = HaddockFlags {haddockHoogle :: Bool
,haddockHtmlLocation :: Maybe String
,haddockExecutables :: Bool
,haddockCss :: Maybe FilePath
,haddockHscolour :: Bool
,haddockHscolourCss :: Maybe FilePath
,haddockVerbose :: Verbosity}
deriving Show
emptyHaddockFlags :: HaddockFlags
emptyHaddockFlags = HaddockFlags {haddockHoogle = False
,haddockHtmlLocation = Nothing
,haddockExecutables = False
,haddockCss = Nothing
,haddockHscolour = False
,haddockHscolourCss = Nothing
,haddockVerbose = normal}
data CleanFlags = CleanFlags {cleanSaveConf :: Bool
,cleanVerbose :: Verbosity}
deriving Show
emptyCleanFlags :: CleanFlags
emptyCleanFlags = CleanFlags {cleanSaveConf = False, cleanVerbose = normal}
data BuildFlags = BuildFlags {buildVerbose :: Verbosity,
buildPrograms :: ProgramConfiguration}
deriving Show
emptyBuildFlags :: ProgramConfiguration -> BuildFlags
emptyBuildFlags progs = BuildFlags {buildVerbose = normal,
buildPrograms = progs}
data MakefileFlags = MakefileFlags {makefileVerbose :: Verbosity,
makefileFile :: Maybe FilePath}
deriving Show
emptyMakefileFlags :: MakefileFlags
emptyMakefileFlags = MakefileFlags {makefileVerbose = normal,
makefileFile = Nothing}
data PFEFlags = PFEFlags {pfeVerbose :: Verbosity}
deriving Show
-- | All the possible flags
data Flag a = GhcFlag | NhcFlag | HugsFlag | JhcFlag
| WithCompiler FilePath | WithHcPkg FilePath
| WithVanillaLib | WithoutVanillaLib
| WithProfLib | WithoutProfLib
| WithSharedLib | WithoutSharedLib
| WithProfExe | WithoutProfExe
| WithOptimization | WithoutOptimization
| WithGHCiLib | WithoutGHCiLib
| WithSplitObjs | WithoutSplitObjs
| ConfigureOption String
| Prefix FilePath
| BinDir FilePath
| LibDir FilePath
| LibSubDir FilePath
| LibExecDir FilePath
| DataDir FilePath
| DataSubDir FilePath
| DocDir FilePath
| HtmlDir FilePath
| ConfigurationsFlags [(String, Bool)]
| ProgramArgs String String -- program name, arguments
| ProgramArg String String -- program name, single argument
| WithProgram String FilePath -- program name, location
-- For install, register, and unregister:
| UserFlag | GlobalFlag
-- for register & unregister
| GenScriptFlag
| GetPkgConfFlag (Maybe FilePath)
| InPlaceFlag
-- For copy:
| InstPrefix FilePath
| DestDir FilePath
-- For sdist:
| Snapshot
-- For hscolour:
| HscolourCss FilePath
| HscolourExecutables
-- For haddock:
| HaddockHoogle
| HaddockExecutables
| HaddockCss FilePath
| HaddockHscolour
| HaddockHscolourCss FilePath
| HaddockHtmlLocation String
-- For clean:
| SaveConfigure -- ^don't delete dist\/setup-config during clean
-- For makefile:
| MakefileFile FilePath
-- For everyone:
| HelpFlag
| Verbose Verbosity
-- | Version?
| Lift a
deriving (Show, Eq)
-- ------------------------------------------------------------
-- * Mostly parsing functions
-- ------------------------------------------------------------
-- | Arguments to pass to a @configure@ script, e.g. generated by
-- @autoconf@.
configureArgs :: ConfigFlags -> [String]
configureArgs flags
= hc_flag ++
optFlag "with-hc-pkg" configHcPkg ++
optFlag "prefix" configPrefix ++
optFlag "bindir" configBinDir ++
optFlag "libdir" configLibDir ++
optFlag "libexecdir" configLibExecDir ++
optFlag "datadir" configDataDir ++
reverse (configConfigureArgs flags)
where
hc_flag = case (configHcFlavor flags, configHcPath flags) of
(_, Just hc_path) -> ["--with-hc=" ++ hc_path]
(Just hc, Nothing) -> ["--with-hc=" ++ showHC hc]
(Nothing,Nothing) -> []
optFlag name config_field = case config_field flags of
Just p -> ["--" ++ name ++ "=" ++ p]
Nothing -> []
showHC GHC = "ghc"
showHC NHC = "nhc98"
showHC JHC = "jhc"
showHC Hugs = "hugs"
showHC c = "unknown compiler: " ++ (show c)
cmd_help :: OptDescr (Flag a)
cmd_help = Option "h?" ["help"] (NoArg HelpFlag) "Show this help text"
cmd_verbose :: OptDescr (Flag a)
cmd_verbose = Option "v" ["verbose"] (OptArg (Verbose . flagToVerbosity) "n")
"Control verbosity (n is 0--3, default verbosity level is 1)"
-- Do we have any other interesting global flags?
globalOptions :: [OptDescr (Flag a)]
globalOptions = [
cmd_help
]
liftCustomOpts :: [OptDescr a] -> [OptDescr (Flag a)]
liftCustomOpts flags = [ Option shopt lopt (f adesc) help
| Option shopt lopt adesc help <- flags ]
where f (NoArg x) = NoArg (Lift x)
f (ReqArg g s) = ReqArg (Lift . g) s
f (OptArg g s) = OptArg (Lift . g) s
data Cmd a = Cmd {
cmdName :: String,
cmdHelp :: String, -- Short description
cmdDescription :: String, -- Long description
cmdOptions :: ShowOrParseArgs -> [OptDescr (Flag a)],
cmdAction :: Action
}
data ShowOrParseArgs = ShowArgs | ParseArgs
commandList :: ProgramConfiguration -> [Cmd a]
commandList progConf = [configureCmd progConf, buildCmd progConf, makefileCmd,
cleanCmd, installCmd,
copyCmd, sdistCmd, testCmd,
haddockCmd, hscolourCmd, programaticaCmd,
registerCmd, unregisterCmd]
lookupCommand :: String -> [Cmd a] -> Maybe (Cmd a)
lookupCommand name = find ((==name) . cmdName)
printGlobalHelp :: ProgramConfiguration -> IO ()
printGlobalHelp progConf =
do pname <- getProgName
let syntax_line = "Usage: " ++ pname ++ " [GLOBAL FLAGS]\n or: " ++ pname ++ " COMMAND [FLAGS]\n\nGlobal flags:"
putStrLn (usageInfo syntax_line globalOptions)
putStrLn "Typical steps for installing Cabal packages:"
mapM (\x -> putStrLn $ " " ++ pname ++ " " ++ x)
["configure", "build", "install"]
putStrLn "\nCommands:"
let maxlen = maximum [ length (cmdName cmd) | cmd <- (commandList progConf) ]
sequence_ [ do putStr " "
putStr (align maxlen (cmdName cmd))
putStr " "
putStrLn (cmdHelp cmd)
| cmd <- (commandList progConf) ]
putStrLn $ "\nFor more information about a command, try '" ++ pname ++ " COMMAND --help'."
putStrLn $ "\nThis Setup program uses the Haskell Cabal Infrastructure."
putStrLn $"See http://www.haskell.org/cabal/ for more information."
where align n str = str ++ replicate (n - length str) ' '
printCmdHelp :: Cmd a -> [OptDescr a] -> IO ()
printCmdHelp cmd opts = do pname <- getProgName
let syntax_line = "Usage: " ++ pname ++ " " ++ cmdName cmd ++ " [FLAGS]\n\nFlags for " ++ cmdName cmd ++ ":"
putStrLn (usageInfo syntax_line (cmdOptions cmd ShowArgs ++ liftCustomOpts opts))
putStr (cmdDescription cmd)
getCmdOpt :: Cmd a -> [OptDescr a] -> [String] -> ([Flag a], [String], [String])
getCmdOpt cmd opts s = (flags, other_opts, errs++errs')
where
(flags, nonopts, other_opts, errs) =
getOpt' RequireOrder (cmdOptions cmd ParseArgs ++ liftCustomOpts opts) s
errs' = ["unexpected argument: " ++ nonopt | nonopt <- nonopts]
-- We don't want to use elem, because that imposes Eq a
hasHelpFlag :: [Flag a] -> Bool
hasHelpFlag flags = not . null $ [ () | HelpFlag <- flags ]
parseGlobalArgs :: ProgramConfiguration -> [String] -> IO (Action,[String])
parseGlobalArgs progConf args =
case getOpt' RequireOrder globalOptions args of
(flags, _, _, []) | hasHelpFlag flags -> do
printGlobalHelp progConf
exitWith ExitSuccess
(_, cname:cargs, extra_args, []) -> do
case lookupCommand cname (commandList progConf) of
Just cmd -> return (cmdAction cmd, extra_args ++ cargs)
Nothing -> die $ "Unrecognised command: " ++ cname ++ " (try --help)"
(_, [], _, []) -> die $ "No command given (try --help)"
(_, _, _, errs) -> putErrors errs
configureCmd :: ProgramConfiguration -> Cmd a
configureCmd progConf = Cmd {
cmdName = "configure",
cmdHelp = "Prepare to build the package.",
cmdDescription = programFlagsDescription progConf,
cmdOptions = \showOrParseArgs -> [cmd_help, cmd_verbose,
Option "g" ["ghc"] (NoArg GhcFlag) "compile with GHC",
Option "" ["nhc98"] (NoArg NhcFlag) "compile with NHC",
Option "" ["jhc"] (NoArg JhcFlag) "compile with JHC",
Option "" ["hugs"] (NoArg HugsFlag) "compile with hugs",
Option "w" ["with-compiler"] (reqPathArg WithCompiler)
"give the path to a particular compiler",
Option "" ["with-hc-pkg"] (reqPathArg WithHcPkg)
"give the path to the package tool",
Option "" ["prefix"] (reqDirArg Prefix)
"bake this prefix in preparation of installation",
Option "" ["bindir"] (reqDirArg BinDir)
"installation directory for executables",
Option "" ["libdir"] (reqDirArg LibDir)
"installation directory for libraries",
Option "" ["libsubdir"] (reqDirArg LibSubDir)
"subdirectory of libdir in which libs are installed",
Option "" ["libexecdir"] (reqDirArg LibExecDir)
"installation directory for program executables",
Option "" ["datadir"] (reqDirArg DataDir)
"installation directory for read-only data",
Option "" ["datasubdir"] (reqDirArg DataSubDir)
"subdirectory of datadir in which data files are installed",
Option "" ["docdir"] (reqDirArg DocDir)
"installation directory for documentation",
Option "" ["htmldir"] (reqDirArg HtmlDir)
"installation directory for HTML documentation",
Option "" ["enable-library-vanilla"] (NoArg WithVanillaLib)
"Enable vanilla libraries",
Option "" ["disable-library-vanilla"] (NoArg WithoutVanillaLib)
"Disable vanilla libraries",
Option "p" ["enable-library-profiling"] (NoArg WithProfLib)
"Enable library profiling",
Option "" ["disable-library-profiling"] (NoArg WithoutProfLib)
"Disable library profiling",
Option "" ["enable-shared"] (NoArg WithSharedLib)
"Enable shared library",
Option "" ["disable-shared"] (NoArg WithoutSharedLib)
"Disable shared library",
Option "" ["enable-executable-profiling"] (NoArg WithProfExe)
"Enable executable profiling",
Option "" ["disable-executable-profiling"] (NoArg WithoutProfExe)
"Disable executable profiling",
Option "O" ["enable-optimization"] (NoArg WithOptimization)
"Build with optimization",
Option "" ["disable-optimization"] (NoArg WithoutOptimization)
"Build without optimization",
Option "" ["enable-library-for-ghci"] (NoArg WithGHCiLib)
"compile library for use with GHCi",
Option "" ["disable-library-for-ghci"] (NoArg WithoutGHCiLib)
"do not compile libraries for GHCi",
Option "" ["enable-split-objs"] (NoArg WithSplitObjs)
"split library into smaller objects to reduce binary sizes (GHC 6.6+)",
Option "" ["disable-split-objs"] (NoArg WithoutSplitObjs)
"split library into smaller objects to reduce binary sizes (GHC 6.6+)",
Option "" ["configure-option"] (ReqArg ConfigureOption "OPT") "Extra option for configure",
Option "" ["user"] (NoArg UserFlag)
"allow dependencies to be satisfied from the user package database. also implies install --user",
Option "" ["global"] (NoArg GlobalFlag)
"(default) dependencies must be satisfied from the global package database",
Option "f" ["flags"] (reqFlagsArgs ConfigurationsFlags)
"Force values for the given flags in Cabal conditionals in the .cabal file. E.g., --flags=\"debug -usebytestrings\" forces the flag \"debug\" to true and \"usebytestrings\" to false."
]
++ programConfigurationPaths progConf showOrParseArgs
++ programConfigurationOptions progConf showOrParseArgs,
cmdAction = ConfigCmd (emptyConfigFlags progConf)
}
programFlagsDescription :: ProgramConfiguration -> String
programFlagsDescription progConf =
"The flags --with-PROG and --PROG-arg(s) can be used with"
++ " the following programs:"
++ (concatMap ("\n "++) . wrapText 77 . sort)
[ programName prog | (prog, _) <- knownPrograms progConf ]
++ "\n"
programConfigurationPaths :: ProgramConfiguration -> ShowOrParseArgs
-> [OptDescr (Flag a)]
programConfigurationPaths progConf args = case args of
-- we don't want a verbose help text list so we just show a generic one:
ShowArgs -> [withProgramPath "PROG"]
ParseArgs -> map (withProgramPath . programName . fst) (knownPrograms progConf)
where
withProgramPath :: String -> OptDescr (Flag a)
withProgramPath prog =
Option "" ["with-" ++ prog] (reqPathArg (WithProgram prog))
("give the path to " ++ prog)
programConfigurationOptions :: ProgramConfiguration -> ShowOrParseArgs
-> [OptDescr (Flag a)]
programConfigurationOptions progConf args = case args of
-- we don't want a verbose help text list so we just show a generic one:
ShowArgs -> [programOptions "PROG", programOption "PROG"]
ParseArgs -> map (programOptions . programName . fst) (knownPrograms progConf)
++ map (programOption . programName . fst) (knownPrograms progConf)
where
programOptions :: String -> OptDescr (Flag a)
programOptions prog =
Option "" [prog ++ "-options"] (ReqArg (ProgramArgs prog) "OPTS")
("give extra options to " ++ prog)
programOption :: String -> OptDescr (Flag a)
programOption prog =
Option "" [prog ++ "-option"] (ReqArg (ProgramArg prog) "OPT")
("give an extra option to " ++ prog ++
" (no need to quote options containing spaces)")
reqPathArg :: (FilePath -> a) -> ArgDescr a
reqPathArg constr = ReqArg constr "PATH"
reqDirArg :: (FilePath -> a) -> ArgDescr a
reqDirArg constr = ReqArg constr "DIR"
reqFlagsArgs :: ([(String,Bool)] -> a) -> ArgDescr a
reqFlagsArgs constr = ReqArg (constr . flagList) "FLAGS"
flagList :: String -> [(String, Bool)]
flagList = map tagWithValue . words
where tagWithValue ('-':name) = (map toLower name, False)
tagWithValue name = (map toLower name, True)
parseConfigureArgs :: ProgramConfiguration -> ConfigFlags -> [String] -> [OptDescr a] ->
IO (ConfigFlags, [a], [String])
parseConfigureArgs progConf = parseArgs (configureCmd progConf) updateCfg
where updateCfg t GhcFlag = t { configHcFlavor = Just GHC }
updateCfg t NhcFlag = t { configHcFlavor = Just NHC }
updateCfg t JhcFlag = t { configHcFlavor = Just JHC }
updateCfg t HugsFlag = t { configHcFlavor = Just Hugs }
updateCfg t (WithCompiler path) = t { configHcPath = Just path }
updateCfg t (WithHcPkg path) = t { configHcPkg = Just path }
updateCfg t (ProgramArgs name args) = t { configPrograms =
userSpecifyArgs name
(splitArgs args)
(configPrograms t) }
updateCfg t (ProgramArg name arg) = t { configPrograms =
userSpecifyArgs name [arg]
(configPrograms t) }
updateCfg t (WithProgram name path) = t { configPrograms =
userSpecifyPath
name path
(configPrograms t) }
updateCfg t WithVanillaLib = t { configVanillaLib = True }
updateCfg t WithoutVanillaLib = t { configVanillaLib = False,
configGHCiLib = False }
updateCfg t WithProfLib = t { configProfLib = True }
updateCfg t WithoutProfLib = t { configProfLib = False }
updateCfg t WithSharedLib = t { configSharedLib = True }
updateCfg t WithoutSharedLib = t { configSharedLib = False }
updateCfg t WithProfExe = t { configProfExe = True }
updateCfg t WithoutProfExe = t { configProfExe = False }
updateCfg t WithOptimization = t { configOptimization = True }
updateCfg t WithoutOptimization = t { configOptimization = False }
updateCfg t WithGHCiLib = t { configGHCiLib = True }
updateCfg t WithoutGHCiLib = t { configGHCiLib = False }
updateCfg t (Prefix path) = t { configPrefix = Just path }
updateCfg t (BinDir path) = t { configBinDir = Just path }
updateCfg t (LibDir path) = t { configLibDir = Just path }
updateCfg t (LibSubDir path) = t { configLibSubDir= Just path }
updateCfg t (LibExecDir path) = t { configLibExecDir = Just path }
updateCfg t (DataDir path) = t { configDataDir = Just path }
updateCfg t (DataSubDir path) = t { configDataSubDir = Just path }
updateCfg t (DocDir path) = t { configDocDir = Just path }
updateCfg t (HtmlDir path) = t { configHtmlDir = Just path }
updateCfg t (Verbose n) = t { configVerbose = n }
updateCfg t UserFlag = t { configPackageDB = UserPackageDB }
updateCfg t GlobalFlag = t { configPackageDB = GlobalPackageDB }
updateCfg t WithSplitObjs = t { configSplitObjs = True }
updateCfg t WithoutSplitObjs = t { configSplitObjs = False }
updateCfg t (ConfigurationsFlags fs) = t { configConfigurationsFlags =
fs ++ configConfigurationsFlags t }
updateCfg t (ConfigureOption o) = t { configConfigureArgs = o : configConfigureArgs t }
updateCfg t (Lift _) = t
updateCfg _ _ = error $ "Unexpected flag!"
buildCmd :: ProgramConfiguration -> Cmd a
buildCmd progConf = Cmd {
cmdName = "build",
cmdHelp = "Make this package ready for installation.",
cmdDescription = "", -- This can be a multi-line description
cmdOptions = \showOrParseArgs -> [cmd_help, cmd_verbose]
++ programConfigurationOptions progConf showOrParseArgs,
cmdAction = BuildCmd
}
parseBuildArgs :: ProgramConfiguration -> BuildFlags -> [String] -> [OptDescr a] -> IO (BuildFlags, [a], [String])
parseBuildArgs progConf = parseArgs (buildCmd progConf) updateArgs
where updateArgs bflags fl =
case fl of
Verbose n -> bflags{buildVerbose=n}
ProgramArgs name args -> bflags{buildPrograms =
userSpecifyArgs name
(splitArgs args)
(buildPrograms bflags)}
ProgramArg name arg -> bflags{buildPrograms =
userSpecifyArgs name [arg]
(buildPrograms bflags)}
_ -> error "Unexpected flag!"
makefileCmd :: Cmd a
makefileCmd = Cmd {
cmdName = "makefile",
cmdHelp = "Perform any necessary makefileing.",
cmdDescription = "", -- This can be a multi-line description
cmdOptions = \_ -> [cmd_help, cmd_verbose,
Option "f" ["file"] (reqPathArg MakefileFile)
"Filename to use (default: Makefile)."],
cmdAction = MakefileCmd
}
parseMakefileArgs :: MakefileFlags -> [String] -> [OptDescr a] -> IO (MakefileFlags, [a], [String])
parseMakefileArgs = parseArgs makefileCmd updateCfg
where updateCfg mflags fl =
case fl of
Verbose n -> mflags{makefileVerbose=n}
MakefileFile f -> mflags{makefileFile=Just f}
_ -> error "Unexpected flag!"
hscolourCmd :: Cmd a
hscolourCmd = Cmd {
cmdName = "hscolour",
cmdHelp = "Generate HsColour colourised code, in HTML format.",
cmdDescription = "Requires hscolour.\n",
cmdOptions = \_ -> [cmd_help, cmd_verbose,
Option "" ["executables"] (NoArg HscolourExecutables)
"Run hscolour for Executables targets",
Option "" ["css"] (reqPathArg HscolourCss)
"Use a cascading style sheet"],
cmdAction = HscolourCmd
}
parseHscolourArgs :: HscolourFlags -> [String] -> [OptDescr a] -> IO (HscolourFlags, [a], [String])
parseHscolourArgs = parseArgs hscolourCmd updateCfg
where updateCfg (HscolourFlags css doExe verbosity) fl = case fl of
HscolourCss c -> HscolourFlags (Just c) doExe verbosity
HscolourExecutables -> HscolourFlags css True verbosity
Verbose n -> HscolourFlags css doExe n
_ -> error "Unexpected flag!"
haddockCmd :: Cmd a
haddockCmd = Cmd {
cmdName = "haddock",
cmdHelp = "Generate Haddock HTML documentation.",
cmdDescription = "Requires cpphs and haddock.\n",
cmdOptions = \_ ->
[cmd_help, cmd_verbose,
Option "" ["hoogle"] (NoArg HaddockHoogle)
"Generate a hoogle database",
Option "" ["html-location"] (ReqArg HaddockHtmlLocation "URL")
"Location of HTML documentation for pre-requisite packages",
Option "" ["executables"] (NoArg HaddockExecutables)
"Run haddock for Executables targets",
Option "" ["css"] (reqPathArg HaddockCss)
"Use PATH as the haddock stylesheet",
Option "" ["hyperlink-source"] (NoArg HaddockHscolour)
"Hyperlink the documentation to the source code (using HsColour)",
Option "" ["hscolour-css"] (reqPathArg HaddockHscolourCss)
"Use PATH as the HsColour stylesheet"],
cmdAction = HaddockCmd
}
parseHaddockArgs :: HaddockFlags -> [String] -> [OptDescr a] -> IO (HaddockFlags, [a], [String])
parseHaddockArgs = parseArgs haddockCmd updateCfg
where updateCfg hflags fl = case fl of
HaddockHoogle -> hflags{haddockHoogle = True}
HaddockHtmlLocation s -> hflags{haddockHtmlLocation=Just s}
HaddockExecutables -> hflags{haddockExecutables = True}
HaddockCss h -> hflags{haddockCss = Just h}
HaddockHscolour -> hflags{haddockHscolour = True}
HaddockHscolourCss h -> hflags{haddockHscolourCss = Just h}
Verbose n -> hflags{haddockVerbose = n}
_ -> error "Unexpected flag!"
programaticaCmd :: Cmd a
programaticaCmd = Cmd {
cmdName = "pfe",
cmdHelp = "Generate Programatica Project.",
cmdDescription = "",
cmdOptions = \_ -> [cmd_help, cmd_verbose],
cmdAction = ProgramaticaCmd
}
parseProgramaticaArgs :: [String] -> [OptDescr a] -> IO (PFEFlags, [a], [String])
parseProgramaticaArgs = parseNoArgs programaticaCmd PFEFlags
cleanCmd :: Cmd a
cleanCmd = Cmd {
cmdName = "clean",
cmdHelp = "Clean up after a build.",
cmdDescription = "Removes .hi, .o, preprocessed sources, etc.\n", -- Multi-line!
cmdOptions = \_ -> [cmd_help, cmd_verbose,
Option "s" ["save-configure"] (NoArg SaveConfigure)
"Do not remove the configuration file (dist/setup-config) during cleaning. Saves need to reconfigure."],
cmdAction = CleanCmd
}
parseCleanArgs :: CleanFlags -> [String] -> [OptDescr a] ->
IO (CleanFlags, [a], [String])
parseCleanArgs = parseArgs cleanCmd updateCfg
where updateCfg (CleanFlags saveConfigure verbosity) fl = case fl of
SaveConfigure -> CleanFlags True verbosity
Verbose n -> CleanFlags saveConfigure n
_ -> error "Unexpected flag!"
installCmd :: Cmd a
installCmd = Cmd {
cmdName = "install",
cmdHelp = "Copy the files into the install locations. Run register.",
cmdDescription = "Unlike the copy command, install calls the register command.\nIf you want to install into a location that is not what was\nspecified in the configure step, use the copy command.\n",
cmdOptions = \_ -> [cmd_help, cmd_verbose,
Option "" ["install-prefix"] (reqDirArg InstPrefix)
"[DEPRECATED, use copy]",
Option "" ["user"] (NoArg UserFlag)
"upon registration, register this package in the user's local package database",
Option "" ["global"] (NoArg GlobalFlag)
"(default; override with configure) upon registration, register this package in the system-wide package database"
],
cmdAction = InstallCmd
}
copyCmd :: Cmd a
copyCmd = Cmd {
cmdName = "copy",
cmdHelp = "Copy the files into the install locations.",
cmdDescription = "Does not call register, and allows a prefix at install time\nWithout the --destdir flag, configure determines location.\n",
cmdOptions = \_ -> [cmd_help, cmd_verbose,
Option "" ["destdir"] (reqDirArg DestDir)
"directory to copy files to, prepended to installation directories",
Option "" ["copy-prefix"] (reqDirArg InstPrefix)
"[DEPRECATED, directory to copy files to instead of prefix]"
],
cmdAction = CopyCmd NoCopyDest
}
parseCopyArgs :: CopyFlags -> [String] -> [OptDescr a] ->
IO (CopyFlags, [a], [String])
parseCopyArgs = parseArgs copyCmd updateCfg
where updateCfg (CopyFlags copydest verbosity) fl = case fl of
InstPrefix path -> (CopyFlags (CopyPrefix path) verbosity)
DestDir path -> (CopyFlags (CopyTo path) verbosity)
Verbose n -> (CopyFlags copydest n)
_ -> error $ "Unexpected flag!"
parseInstallArgs :: InstallFlags -> [String] -> [OptDescr a] ->
IO (InstallFlags, [a], [String])
parseInstallArgs = parseArgs installCmd updateCfg
where updateCfg (InstallFlags uFlag verbosity) fl = case fl of
InstPrefix _ -> error "--install-prefix is obsolete. Use copy command instead."
UserFlag -> (InstallFlags (Just UserPackageDB) verbosity)
GlobalFlag -> (InstallFlags (Just GlobalPackageDB) verbosity)
Verbose n -> (InstallFlags uFlag n)
_ -> error $ "Unexpected flag!"
sdistCmd :: Cmd a
sdistCmd = Cmd {
cmdName = "sdist",
cmdHelp = "Generate a source distribution file (.tar.gz or .zip).",
cmdDescription = "", -- This can be a multi-line description
cmdOptions = \_ -> [cmd_help,cmd_verbose,
Option "" ["snapshot"] (NoArg Snapshot)
"Produce a snapshot source distribution"
],
cmdAction = SDistCmd
}
parseSDistArgs :: [String] -> [OptDescr a] -> IO (SDistFlags, [a], [String])
parseSDistArgs = parseArgs sdistCmd updateCfg (SDistFlags False normal)
where updateCfg (SDistFlags snapshot verbosity) fl = case fl of
Snapshot -> (SDistFlags True verbosity)
Verbose n -> (SDistFlags snapshot n)
_ -> error $ "Unexpected flag!"
testCmd :: Cmd a
testCmd = Cmd {
cmdName = "test",
cmdHelp = "Run the test suite, if any (configure with UserHooks).",
cmdDescription = "", -- This can be a multi-line description
cmdOptions = \_ -> [cmd_help,cmd_verbose],
cmdAction = TestCmd
}
parseTestArgs :: [String] -> [OptDescr a] -> IO (Verbosity, [a], [String])
parseTestArgs = parseNoArgs testCmd id
registerCmd :: Cmd a
registerCmd = Cmd {
cmdName = "register",
cmdHelp = "Register this package with the compiler.",
cmdDescription = "", -- This can be a multi-line description
cmdOptions = \_ -> [cmd_help, cmd_verbose,
Option "" ["user"] (NoArg UserFlag)
"upon registration, register this package in the user's local package database",
Option "" ["global"] (NoArg GlobalFlag)
"(default) upon registration, register this package in the system-wide package database",
Option "" ["inplace"] (NoArg InPlaceFlag)
"register the package in the build location, so it can be used without being installed",
Option "" ["gen-script"] (NoArg GenScriptFlag)
"instead of registering, generate a script to register later",
Option "" ["gen-pkg-config"] (OptArg GetPkgConfFlag "PKG")
"instead of registering, generate a package registration file"
],
cmdAction = RegisterCmd
}
parseRegisterArgs :: RegisterFlags -> [String] -> [OptDescr a] ->
IO (RegisterFlags, [a], [String])
parseRegisterArgs = parseArgs registerCmd registerUpdateCfg
registerUpdateCfg :: RegisterFlags -> Flag a -> RegisterFlags
registerUpdateCfg reg fl = case fl of
UserFlag -> reg { regPackageDB=Just UserPackageDB }
GlobalFlag -> reg { regPackageDB=Just GlobalPackageDB }
Verbose n -> reg { regVerbose=n }
GenScriptFlag -> reg { regGenScript=True }
GetPkgConfFlag
Nothing -> reg { regGenPkgConf=True }
GetPkgConfFlag
(Just f) -> reg { regGenPkgConf=True,
regPkgConfFile=Just f }
InPlaceFlag -> reg { regInPlace=True }
_ -> error $ "Unexpected flag!"
unregisterCmd :: Cmd a
unregisterCmd = Cmd {
cmdName = "unregister",
cmdHelp = "Unregister this package with the compiler.",
cmdDescription = "", -- This can be a multi-line description
cmdOptions = \_ -> [cmd_help, cmd_verbose,
Option "" ["user"] (NoArg UserFlag)
"unregister this package in the user's local package database",
Option "" ["global"] (NoArg GlobalFlag)
"(default) unregister this package in the system-wide package database",
Option "" ["gen-script"] (NoArg GenScriptFlag)
"Instead of performing the unregister command, generate a script to unregister later"
],
cmdAction = UnregisterCmd
}
parseUnregisterArgs :: RegisterFlags -> [String] -> [OptDescr a] ->
IO (RegisterFlags, [a], [String])
parseUnregisterArgs = parseArgs unregisterCmd registerUpdateCfg
-- |Helper function for commands with no arguments except for verbosity
-- and help.
parseNoArgs :: (Cmd a)
-> (Verbosity -> b) -- Constructor to make this type.
-> [String] -> [OptDescr a]-> IO (b, [a], [String])
parseNoArgs cmd c = parseArgs cmd updateCfg (c normal)
where
updateCfg _ (Verbose n) = c n
updateCfg _ _ = error "Unexpected flag!"
-- |Helper function for commands with more options.
parseArgs :: Cmd a -> (cfg -> Flag a -> cfg) -> cfg ->
[String] -> [OptDescr a] -> IO (cfg, [a], [String])
parseArgs cmd updateCfg cfg args customOpts =
case getCmdOpt cmd customOpts args of
(flags, _, []) | hasHelpFlag flags -> do
printCmdHelp cmd customOpts
exitWith ExitSuccess
(flags, args', []) ->
let flags' = filter (not.isLift) flags in
return (foldl updateCfg cfg flags', unliftFlags flags, args')
(_, _, errs) -> putErrors errs
where
isLift (Lift _) = True
isLift _ = False
unliftFlags :: [Flag a] -> [a]
unliftFlags flags = [ fl | Lift fl <- flags ]
-- |Helper function to split a string into a list of arguments.
-- It's supposed to handle quoted things sensibly, eg:
--
-- > splitArgs "--foo=\"C:\Program Files\Bar\" --baz"
-- > = ["--foo=C:\Program Files\Bar", "--baz"]
--
splitArgs :: String -> [String]
splitArgs = space []
where
space :: String -> String -> [String]
space w [] = word w []
space w ( c :s)
| isSpace c = word w (space [] s)
space w ('"':s) = string w s
space w s = nonstring w s
string :: String -> String -> [String]
string w [] = word w []
string w ('"':s) = space w s
string w ( c :s) = string (c:w) s
nonstring :: String -> String -> [String]
nonstring w [] = word w []
nonstring w ('"':s) = string w s
nonstring w ( c :s) = space (c:w) s
word [] s = s
word w s = reverse w : s
putErrors :: [String] -> IO a
putErrors errs = die $ "Errors:" ++ concat ['\n':err | err <- errs]
#ifdef DEBUG
hunitTests :: [Test]
hunitTests = []
-- The test cases kinda have to be rewritten from the ground up... :/
--hunitTests =
-- let m = [("ghc", GHC), ("nhc98", NHC), ("hugs", Hugs)]
-- (flags, commands', unkFlags, ers)
-- = getOpt Permute options ["configure", "foobar", "--prefix=/foo", "--ghc", "--nhc98", "--hugs", "--with-compiler=/comp", "--unknown1", "--unknown2", "--install-prefix=/foo", "--user", "--global"]
-- in [TestLabel "very basic option parsing" $ TestList [
-- "getOpt flags" ~: "failed" ~:
-- [Prefix "/foo", GhcFlag, NhcFlag, HugsFlag,
-- WithCompiler "/comp", InstPrefix "/foo", UserFlag, GlobalFlag]
-- ~=? flags,
-- "getOpt commands" ~: "failed" ~: ["configure", "foobar"] ~=? commands',
-- "getOpt unknown opts" ~: "failed" ~:
-- ["--unknown1", "--unknown2"] ~=? unkFlags,
-- "getOpt errors" ~: "failed" ~: [] ~=? ers],
--
-- TestLabel "test location of various compilers" $ TestList
-- ["configure parsing for prefix and compiler flag" ~: "failed" ~:
-- (Right (ConfigCmd (Just comp, Nothing, Just "/usr/local"), []))
-- ~=? (parseArgs ["--prefix=/usr/local", "--"++name, "configure"])
-- | (name, comp) <- m],
--
-- TestLabel "find the package tool" $ TestList
-- ["configure parsing for prefix comp flag, withcompiler" ~: "failed" ~:
-- (Right (ConfigCmd (Just comp, Just "/foo/comp", Just "/usr/local"), []))
-- ~=? (parseArgs ["--prefix=/usr/local", "--"++name,
-- "--with-compiler=/foo/comp", "configure"])
-- | (name, comp) <- m],
--
-- TestLabel "simpler commands" $ TestList
-- [flag ~: "failed" ~: (Right (flagCmd, [])) ~=? (parseArgs [flag])
-- | (flag, flagCmd) <- [("build", BuildCmd),
-- ("install", InstallCmd Nothing False),
-- ("sdist", SDistCmd),
-- ("register", RegisterCmd False)]
-- ]
-- ]
#endif
{- Testing ideas:
* IO to look for hugs and hugs-pkg (which hugs, etc)
* quickCheck to test permutations of arguments
* what other options can we over-ride with a command-line flag?
-}