yi-0.6.2.3: The Haskell-Scriptable Editor Source code Contents Index

Yi.Lexer.Haskell

Synopsis

initState :: HlState alexScanToken :: (AlexState HlState, AlexInput) -> Maybe (Tok Token, (AlexState HlState, AlexInput)) tokenToStyle :: Token -> StyleName tokenToText :: Token -> Maybe String type TT = Tok Token isErrorTok :: Token -> Bool isSpecial :: String -> Token -> Bool startsLayout :: Token -> Bool isComment :: Token -> Bool data Token = Number | CharTok | StringTok | VarIdent | ConsIdent | Reserved !ReservedType | ReservedOp !OpType | Special Char | ConsOperator String | Operator String | Comment !CommentType | THQuote | CppDirective | Unrecognized type HlState = Int data CommentType = Open | Close | Text | Line data ReservedType = Hiding | Qualified | As | Import | Data | NewType | Type | Where | Let | In | Do | Of | OtherLayout | Deriving | Module | Forall | Other | Class | Instance data OpType = Pipe | Equal | BackSlash | LeftArrow | RightArrow | DoubleRightArrow | DoubleColon | DoubleDot | Arobase | Tilda

Documentation

initState :: HlState Source

alexScanToken :: (AlexState HlState, AlexInput) -> Maybe (Tok Token, (AlexState HlState, AlexInput)) Source

Scan one token. Return (maybe) a token and a new state.

tokenToStyle :: Token -> StyleName Source

tokenToText :: Token -> Maybe String Source

type TT = Tok Token Source

isErrorTok :: Token -> Bool Source

isSpecial :: String -> Token -> Bool Source

startsLayout :: Token -> Bool Source

isComment :: Token -> Bool Source

data Token Source

Constructors Number CharTok StringTok VarIdent ConsIdent Reserved !ReservedType ReservedOp !OpType Special Char ConsOperator String Operator String Comment !CommentType THQuote CppDirective Unrecognized Instances Eq Token Show Token

type HlState = Int Source

data CommentType Source

Constructors Open Close Text Line Instances Eq CommentType Show CommentType

data ReservedType Source

Constructors Hiding Qualified As Import Data NewType Type Where Let In Do Of OtherLayout Deriving Module Forall Other Class Instance Instances Eq ReservedType Show ReservedType

data OpType Source

Constructors Pipe Equal BackSlash LeftArrow RightArrow DoubleRightArrow DoubleColon DoubleDot Arobase Tilda Instances Eq OpType Show OpType

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