Extensions.Cabal

Functions to extract extensions from the .cabal files.

Documentation

parseCabalFileExtensions :: FilePath -> IO (Map FilePath ParsedExtensions)

Parse default extensions from a .cabal file under given FilePath.

Throws:

• CabalException

parseCabalExtensions :: FilePath -> ByteString -> IO (Map FilePath ParsedExtensions)

Parse default extensions from a .cabal file content. This function takes a path to a .cabal file. The path is only used for error message. Pass empty string, if you don't have a path to .cabal file.

Throws:

• CabalException

extractCabalExtensions :: GenericPackageDescription -> IO (Map FilePath ParsedExtensions)

Extract Haskell Language extensions from a Cabal package description.

Bridge between Cabal and GHC extensions

cabalToGhcExtension :: Extension -> Maybe (Either SafeHaskellExtension OnOffExtension)

Convert Extension to OnOffExtension or SafeHaskellExtension.

toGhcExtension :: KnownExtension -> Maybe Extension

Convert KnownExtension to OnOffExtension.

toSafeExtensions :: KnownExtension -> Maybe SafeHaskellExtension

Convert KnownExtension to SafeHaskellExtension.