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

Methods

showsPrec :: Int -> SymbolsFileException -> ShowS

show :: SymbolsFileException -> String

showList :: [SymbolsFileException] -> ShowS

Exception SymbolsFileException

Methods

toException :: SymbolsFileException -> SomeException

fromException :: SomeException -> Maybe SymbolsFileException

displayException :: SymbolsFileException -> String

Orphan instances

ToJSON Symbol

Methods

toJSON :: Symbol -> Value

toEncoding :: Symbol -> Encoding

FromJSON Symbol

Methods

parseJSON :: Value -> Parser Symbol