hwhile-0.1.1.0: An implementation of Neil D. Jones' While language

Safe Haskell	None
Language	Haskell2010

Lexer

Documentation

newtype Token Source #

Constructors

Token (FilePath, TokenType, AlexPosn)

Instances

Eq Token Source #
Methods (==) :: Token -> Token -> Bool # (/=) :: Token -> Token -> Bool #
Show Token Source #
Methods showsPrec :: Int -> Token -> ShowS # show :: Token -> String # showList :: [Token] -> ShowS #

data TokenType Source #

Instances

Eq TokenType Source #
Methods (==) :: TokenType -> TokenType -> Bool # (/=) :: TokenType -> TokenType -> Bool #
Show TokenType Source #
Methods showsPrec :: Int -> TokenType -> ShowS # show :: TokenType -> String # showList :: [TokenType] -> ShowS #

tkLineNo :: Token -> Int Source #

tkCharNo :: Token -> Int Source #

tkPath :: Token -> FilePath Source #

tkVarName :: Token -> String Source #

scan :: String -> FilePath -> [Token] Source #

prettyPrintToken :: Token -> String Source #