Language.Haskell.Names.Environment

Documentation

type Environment = Map (ModuleName ()) [Symbol]

A map from module name to list of symbols it exports.

Load a predefined environment

loadBase :: IO Environment

Load a basic environment that contains modules very similar to GHC's base package.

Read and write symbols files

readSymbols :: FilePath -> IO [Symbol]

Read symbols from a file.

writeSymbols :: FilePath -> [Symbol] -> IO ()

Write symbols to a file.

Exceptions

data SymbolsFileException

Constructors

BadSymbolsFile FilePath String

Symbols could not be parsed. This tells you the name of the file and the parse error text.

Instances

Show SymbolsFileException

Defined in Language.Haskell.Names.Environment

Methods

showsPrec :: Int -> SymbolsFileException -> ShowS

show :: SymbolsFileException -> String

showList :: [SymbolsFileException] -> ShowS

Exception SymbolsFileException

Defined in Language.Haskell.Names.Environment

Methods

toException :: SymbolsFileException -> SomeException

fromException :: SomeException -> Maybe SymbolsFileException

displayException :: SymbolsFileException -> String

Orphan instances

ToJSON Symbol

Methods

toJSON :: Symbol -> Value

toEncoding :: Symbol -> Encoding

toJSONList :: [Symbol] -> Value

toEncodingList :: [Symbol] -> Encoding

FromJSON Symbol

Methods

parseJSON :: Value -> Parser Symbol

parseJSONList :: Value -> Parser [Symbol]