Haskell Core Libraries (Cabal package) Contents Index

Distribution.PackageDescription Portability portable Stability alpha Maintainer Isaac Jones <ijones@syntaxpolice.org>

Contents Package descriptions Build information Supplementary build information Utilities

Description

Package description and parsing.

Synopsis

data PackageDescription = PackageDescription { package :: PackageIdentifier license :: License licenseFile :: FilePath copyright :: String maintainer :: String author :: String stability :: String testedWith :: [(CompilerFlavor, VersionRange)] homepage :: String pkgUrl :: String synopsis :: String description :: String category :: String buildDepends :: [Dependency] descCabalVersion :: VersionRange library :: (Maybe Library) executables :: [Executable] dataFiles :: [FilePath] extraSrcFiles :: [FilePath] extraTmpFiles :: [FilePath] } emptyPackageDescription :: PackageDescription data StanzaField a = StanzaField { fieldName :: String fieldGet :: (a -> Doc) fieldSet :: (LineNo -> String -> a -> ParseResult a) } type LineNo = Int basicStanzaFields :: [StanzaField PackageDescription] setupMessage :: String -> PackageDescription -> IO () data Library = Library { exposedModules :: [String] libBuildInfo :: BuildInfo } withLib :: PackageDescription -> a -> (Library -> IO a) -> IO a hasLibs :: PackageDescription -> Bool libModules :: PackageDescription -> [String] data Executable = Executable { exeName :: String modulePath :: FilePath buildInfo :: BuildInfo } withExe :: PackageDescription -> (Executable -> IO a) -> IO () exeModules :: PackageDescription -> [String] data BuildInfo = BuildInfo { buildable :: Bool ccOptions :: [String] ldOptions :: [String] frameworks :: [String] cSources :: [FilePath] hsSourceDirs :: [FilePath] otherModules :: [String] extensions :: [Extension] extraLibs :: [String] extraLibDirs :: [String] includeDirs :: [FilePath] includes :: [FilePath] options :: [(CompilerFlavor, [String])] ghcProfOptions :: [String] } emptyBuildInfo :: BuildInfo type HookedBuildInfo = (Maybe BuildInfo, [(String, BuildInfo)]) emptyHookedBuildInfo :: HookedBuildInfo updatePackageDescription :: HookedBuildInfo -> PackageDescription -> PackageDescription data ParseResult a = ParseFailed PError | ParseOk a data PError showError :: PError -> String hcOptions :: CompilerFlavor -> [(CompilerFlavor, [String])] -> [String] autogenModuleName :: PackageDescription -> String

Package descriptions

data PackageDescription

This data type is the internal representation of the file pkg.cabal. It contains two kinds of information about the package: information which is needed for all packages, such as the package name and version, and information which is needed for the simple build system only, such as the compiler options and library name. Constructors PackageDescription package :: PackageIdentifier license :: License licenseFile :: FilePath copyright :: String maintainer :: String author :: String stability :: String testedWith :: [(CompilerFlavor, VersionRange)] homepage :: String pkgUrl :: String synopsis :: String A one-line summary of this package description :: String A more verbose description of this package category :: String buildDepends :: [Dependency] descCabalVersion :: VersionRange If this package depends on a specific version of Cabal, give that here. components library :: (Maybe Library) executables :: [Executable] dataFiles :: [FilePath] extraSrcFiles :: [FilePath] extraTmpFiles :: [FilePath] Instances Eq PackageDescription Read PackageDescription Show PackageDescription

emptyPackageDescription :: PackageDescription

data StanzaField a

Constructors StanzaField fieldName :: String fieldGet :: (a -> Doc) fieldSet :: (LineNo -> String -> a -> ParseResult a)

type LineNo = Int

basicStanzaFields :: [StanzaField PackageDescription]

setupMessage :: String -> PackageDescription -> IO ()

data Library

Constructors Library exposedModules :: [String] libBuildInfo :: BuildInfo Instances Eq Library Read Library Show Library

withLib :: PackageDescription -> a -> (Library -> IO a) -> IO a

If the package description has a library section, call the given function with the library build info as argument.

hasLibs :: PackageDescription -> Bool

does this package have any libraries?

libModules :: PackageDescription -> [String]

Get all the module names from the libraries in this package

data Executable

Constructors Executable exeName :: String modulePath :: FilePath buildInfo :: BuildInfo Instances Eq Executable Read Executable Show Executable

withExe :: PackageDescription -> (Executable -> IO a) -> IO ()

Perform the action on each buildable Executable in the package description.

exeModules :: PackageDescription -> [String]

Get all the module names from the exes in this package

Build information

data BuildInfo

Constructors BuildInfo buildable :: Bool component is buildable here ccOptions :: [String] options for C compiler ldOptions :: [String] options for linker frameworks :: [String] support frameworks for Mac OS X cSources :: [FilePath] hsSourceDirs :: [FilePath] where to look for the haskell module hierarchy otherModules :: [String] non-exposed or non-main modules extensions :: [Extension] extraLibs :: [String] what libraries to link with when compiling a program that uses your package extraLibDirs :: [String] includeDirs :: [FilePath] directories to find .h files includes :: [FilePath] The .h files to be found in includeDirs options :: [(CompilerFlavor, [String])] ghcProfOptions :: [String] Instances Eq BuildInfo Read BuildInfo Show BuildInfo

emptyBuildInfo :: BuildInfo

Supplementary build information

type HookedBuildInfo = (Maybe BuildInfo, [(String, BuildInfo)])

emptyHookedBuildInfo :: HookedBuildInfo

updatePackageDescription :: HookedBuildInfo -> PackageDescription -> PackageDescription

Update the given package description with the output from the pre-hooks.

Utilities

data ParseResult a

Constructors ParseFailed PError ParseOk a Instances Monad ParseResult Show a => Show (ParseResult a)

data PError

Instances Show PError

showError :: PError -> String

hcOptions :: CompilerFlavor -> [(CompilerFlavor, [String])] -> [String]

Select options for a particular Haskell compiler.

autogenModuleName :: PackageDescription -> String

The name of the auto-generated module associated with a package

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