126 lines
3.4 KiB
Haskell
126 lines
3.4 KiB
Haskell
module Language.Haskell.GhcMod.Types where
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import Data.List (intercalate)
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import qualified Data.Map as M
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import Control.Monad.Error (Error(..))
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import PackageConfig (PackageConfig)
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data GhcModError = GMENoMsg
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-- ^ Unknown error
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| GMEString { gmeMsg :: String }
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-- ^ Some Error with a message. These are produced mostly by
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-- 'fail' calls on GhcModT.
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| GMECabalConfigure { gmeMsg :: String }
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-- ^ Configuring a cabal project failed.
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deriving (Eq,Show)
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instance Error GhcModError where
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noMsg = GMENoMsg
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strMsg = GMEString
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-- | Output style.
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data OutputStyle = LispStyle -- ^ S expression style.
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| PlainStyle -- ^ Plain textstyle.
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-- | The type for line separator. Historically, a Null string is used.
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newtype LineSeparator = LineSeparator String
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data Options = Options {
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outputStyle :: OutputStyle
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, hlintOpts :: [String]
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-- | GHC command line options set on the @ghc-mod@ command line
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, ghcUserOptions:: [GHCOption]
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-- | If 'True', 'browse' also returns operators.
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, operators :: Bool
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-- | If 'True', 'browse' also returns types.
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, detailed :: Bool
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-- | If 'True', 'browse' will return fully qualified name
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, qualified :: Bool
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-- | Line separator string.
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, lineSeparator :: LineSeparator
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}
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-- | A default 'Options'.
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defaultOptions :: Options
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defaultOptions = Options {
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outputStyle = PlainStyle
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, hlintOpts = []
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, ghcUserOptions= []
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, operators = False
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, detailed = False
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, qualified = False
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, lineSeparator = LineSeparator "\0"
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}
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----------------------------------------------------------------
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-- | The environment where this library is used.
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data Cradle = Cradle {
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-- | The directory where this library is executed.
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cradleCurrentDir :: FilePath
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-- | The project root directory.
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, cradleRootDir :: FilePath
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-- | The file name of the found cabal file.
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, cradleCabalFile :: Maybe FilePath
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-- | Package database stack
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, cradlePkgDbStack :: [GhcPkgDb]
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} deriving (Eq, Show)
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----------------------------------------------------------------
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-- | GHC package database flags.
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data GhcPkgDb = GlobalDb | UserDb | PackageDb String deriving (Eq, Show)
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-- | A single GHC command line option.
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type GHCOption = String
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-- | An include directory for modules.
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type IncludeDir = FilePath
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-- | A package name.
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type PackageBaseName = String
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-- | A package version.
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type PackageVersion = String
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-- | A package id.
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type PackageId = String
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-- | A package's name, verson and id.
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type Package = (PackageBaseName, PackageVersion, PackageId)
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pkgName :: Package -> PackageBaseName
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pkgName (n,_,_) = n
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pkgVer :: Package -> PackageVersion
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pkgVer (_,v,_) = v
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pkgId :: Package -> PackageId
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pkgId (_,_,i) = i
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showPkg :: Package -> String
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showPkg (n,v,_) = intercalate "-" [n,v]
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showPkgId :: Package -> String
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showPkgId (n,v,i) = intercalate "-" [n,v,i]
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-- | Collection of packages
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type PkgDb = (M.Map Package PackageConfig)
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-- | Haskell expression.
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type Expression = String
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-- | Module name.
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type ModuleString = String
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-- | A Module
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type Module = [String]
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-- | Option information for GHC
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data CompilerOptions = CompilerOptions {
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ghcOptions :: [GHCOption] -- ^ Command line options
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, includeDirs :: [IncludeDir] -- ^ Include directories for modules
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, depPackages :: [Package] -- ^ Dependent package names
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} deriving (Eq, Show)
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