| License | BSD3 |
|---|---|
| Maintainer | cabal-devel@haskell.org |
| Portability | portable |
| Safe Haskell | Safe-Inferred |
| Language | Haskell2010 |
Distribution.Fields.LexerMonad
Description
Synopsis
- type InputStream = ByteString
- data LexState = LexState {
- curPos :: !Position
- curInput :: !InputStream
- curCode :: !StartCode
- warnings :: [LexWarning]
- data LexResult a = LexResult !LexState a
- newtype Lex a = Lex {}
- execLexer :: Lex a -> InputStream -> ([LexWarning], a)
- getPos :: Lex Position
- setPos :: Position -> Lex ()
- adjustPos :: (Position -> Position) -> Lex ()
- getInput :: Lex InputStream
- setInput :: InputStream -> Lex ()
- getStartCode :: Lex Int
- setStartCode :: Int -> Lex ()
- data LexWarning = LexWarning !LexWarningType !Position
- data LexWarningType
- addWarning :: LexWarningType -> Lex ()
- addWarningAt :: Position -> LexWarningType -> Lex ()
- toPWarnings :: [LexWarning] -> [PWarning]
Documentation
type InputStream = ByteString Source #
Constructors
| LexState | |
Fields
| |
execLexer :: Lex a -> InputStream -> ([LexWarning], a) Source #
Execute the given lexer on the supplied input stream.
setInput :: InputStream -> Lex () Source #
getStartCode :: Lex Int Source #
setStartCode :: Int -> Lex () Source #
data LexWarning Source #
Constructors
| LexWarning !LexWarningType !Position |
Instances
| Show LexWarning Source # | |
Defined in Distribution.Fields.LexerMonad Methods showsPrec :: Int -> LexWarning -> ShowS # show :: LexWarning -> String # showList :: [LexWarning] -> ShowS # | |
data LexWarningType Source #
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 Source # | |
Defined in Distribution.Fields.LexerMonad Methods showsPrec :: Int -> LexWarningType -> ShowS # show :: LexWarningType -> String # showList :: [LexWarningType] -> ShowS # | |
| Eq LexWarningType Source # | |
Defined in Distribution.Fields.LexerMonad Methods (==) :: LexWarningType -> LexWarningType -> Bool # (/=) :: LexWarningType -> LexWarningType -> Bool # | |
| Ord LexWarningType Source # | |
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 () Source #
Add warning at the current position
addWarningAt :: Position -> LexWarningType -> Lex () Source #
Add warning at specific position
toPWarnings :: [LexWarning] -> [PWarning] Source #