Distribution.Fields.LexerMonad

Documentation

type InputStream = ByteString

data LexState

Constructors

LexState

Fields

• curPos :: !Position

  position at current input location

• curInput :: !InputStream

  the current input

• curCode :: !StartCode

  lexer code

• warnings :: [LexWarning]

data LexResult a

Constructors

LexResult !LexState a

newtype Lex a

Constructors

Lex

Fields

• unLex :: LexState -> LexResult a

Instances

Applicative Lex

Defined in Distribution.Fields.LexerMonad

Methods

pure :: a -> Lex a

(<*>) :: Lex (a -> b) -> Lex a -> Lex b

liftA2 :: (a -> b -> c) -> Lex a -> Lex b -> Lex c

(*>) :: Lex a -> Lex b -> Lex b

(<*) :: Lex a -> Lex b -> Lex a

Functor Lex

Defined in Distribution.Fields.LexerMonad

Methods

fmap :: (a -> b) -> Lex a -> Lex b

(<$) :: a -> Lex b -> Lex a

Monad Lex

Defined in Distribution.Fields.LexerMonad

Methods

(>>=) :: Lex a -> (a -> Lex b) -> Lex b

(>>) :: Lex a -> Lex b -> Lex b

return :: a -> Lex a

execLexer :: Lex a -> InputStream -> ([LexWarning], a)

Execute the given lexer on the supplied input stream.

getPos :: Lex Position

setPos :: Position -> Lex ()

adjustPos :: (Position -> Position) -> Lex ()

getInput :: Lex InputStream

setInput :: InputStream -> Lex ()

getStartCode :: Lex Int

setStartCode :: Int -> Lex ()

data LexWarning

Constructors

LexWarning !LexWarningType !Position

Instances

Show LexWarning

Defined in Distribution.Fields.LexerMonad

Methods

showsPrec :: Int -> LexWarning -> ShowS

show :: LexWarning -> String

showList :: [LexWarning] -> ShowS

data LexWarningType

Constructors

LexWarningNBSP

Encountered non breaking space

LexWarningBOM

BOM at the start of the cabal file

LexWarningTab

Leading tags

LexInconsistentIndentation

indentation decreases

LexBraces

Brace syntax used

Instances

Show LexWarningType

Defined in Distribution.Fields.LexerMonad

Methods

showsPrec :: Int -> LexWarningType -> ShowS

show :: LexWarningType -> String

showList :: [LexWarningType] -> ShowS

Eq LexWarningType

Defined in Distribution.Fields.LexerMonad

Methods

(==) :: LexWarningType -> LexWarningType -> Bool

(/=) :: LexWarningType -> LexWarningType -> Bool

Ord LexWarningType

Defined in Distribution.Fields.LexerMonad

Methods

compare :: LexWarningType -> LexWarningType -> Ordering

(<) :: LexWarningType -> LexWarningType -> Bool

(<=) :: LexWarningType -> LexWarningType -> Bool

(>) :: LexWarningType -> LexWarningType -> Bool

(>=) :: LexWarningType -> LexWarningType -> Bool

max :: LexWarningType -> LexWarningType -> LexWarningType

min :: LexWarningType -> LexWarningType -> LexWarningType

addWarning :: LexWarningType -> Lex ()

Add warning at the current position

addWarningAt :: Position -> LexWarningType -> Lex ()

Add warning at specific position

toPWarnings :: [LexWarning] -> [PWarning]