wasm-1.0.0: WebAssembly Language Toolkit and Interpreter

Safe Haskell	None
Language	Haskell2010

Language.Wasm.Lexer

Documentation

data Lexeme Source #

Constructors

Lexeme
Fields pos :: Maybe AlexPosn tok :: Token

Instances

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

data Token Source #

Constructors

TKeyword ByteString
TIntLit Integer
TFloatLit FloatRep
TStringLit ByteString
TId ByteString
TOpenBracket
TCloseBracket
TReserved ByteString
EOF

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 AlexPosn Source #

Constructors

AlexPn !Int !Int !Int

Instances

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

scanner :: ByteString -> Either String [Lexeme] Source #

asFloat :: FloatRep -> Either String Float Source #

asDouble :: FloatRep -> Either String Double Source #