purescript-0.12.0: PureScript Programming Language Compiler

Safe Haskell	None
Language	Haskell2010

Language.PureScript.Parser.Lexer

Description

The first step in the parsing process - turns source code into a list of lexemes

Synopsis

Documentation

data PositionedToken Source #

Constructors

PositionedToken
Fields ptSourcePos :: SourcePos Start position of this token ptEndPos :: SourcePos End position of this token (not including whitespace) ptPrevEndPos :: Maybe SourcePos End position of the previous token ptToken :: Token ptComments :: [Comment]

Instances

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

data Token Source #

Instances

Eq Token Source #
Methods (==) :: Token -> Token -> Bool # (/=) :: Token -> Token -> Bool #
Ord Token Source #
Methods compare :: Token -> Token -> Ordering # (<) :: Token -> Token -> Bool # (<=) :: Token -> Token -> Bool # (>) :: Token -> Token -> Bool # (>=) :: Token -> Token -> Bool # max :: Token -> Token -> Token # min :: Token -> Token -> Token #
Show Token Source #
Methods showsPrec :: Int -> Token -> ShowS # show :: Token -> String # showList :: [Token] -> ShowS #

type TokenParser a = Parsec [PositionedToken] ParseState a Source #

lex :: FilePath -> Text -> Either ParseError [PositionedToken] Source #

lexLenient :: FilePath -> Text -> Either ParseError [PositionedToken] Source #

Lexes the given file, and on encountering a parse error, returns the progress made up to that point, instead of returning an error

anyToken :: TokenParser PositionedToken Source #

token :: (Token -> Maybe a) -> TokenParser a Source #

match :: Token -> TokenParser () Source #

lparen :: TokenParser () Source #

rparen :: TokenParser () Source #

parens :: TokenParser a -> TokenParser a Source #

lbrace :: TokenParser () Source #

rbrace :: TokenParser () Source #

braces :: TokenParser a -> TokenParser a Source #

lsquare :: TokenParser () Source #

rsquare :: TokenParser () Source #

squares :: TokenParser a -> TokenParser a Source #

indent :: TokenParser Int Source #

indentAt :: Column -> TokenParser () Source #

larrow :: TokenParser () Source #

rarrow :: TokenParser () Source #

lfatArrow :: TokenParser () Source #

rfatArrow :: TokenParser () Source #

colon :: TokenParser () Source #

doubleColon :: TokenParser () Source #

equals :: TokenParser () Source #

pipe :: TokenParser () Source #

tick :: TokenParser () Source #

dot :: TokenParser () Source #

comma :: TokenParser () Source #

semi :: TokenParser () Source #

at :: TokenParser () Source #

underscore :: TokenParser () Source #

holeLit :: TokenParser Text Source #

semiSep :: TokenParser a -> TokenParser [a] Source #

Parse zero or more values separated by semicolons

semiSep1 :: TokenParser a -> TokenParser [a] Source #

Parse one or more values separated by semicolons

commaSep :: TokenParser a -> TokenParser [a] Source #

Parse zero or more values separated by commas

commaSep1 :: TokenParser a -> TokenParser [a] Source #

Parse one or more values separated by commas

lname :: TokenParser Text Source #

lname' :: Text -> TokenParser () Source #

qualifier :: TokenParser Text Source #

tyname :: TokenParser Text Source #

kiname :: TokenParser Text Source #

dconsname :: TokenParser Text Source #

uname :: TokenParser Text Source #

uname' :: Text -> TokenParser () Source #

mname :: TokenParser Text Source #

reserved :: Text -> TokenParser () Source #

symbol :: TokenParser Text Source #

symbol' :: Text -> TokenParser () Source #

identifier :: TokenParser Text Source #

charLiteral :: TokenParser Char Source #

stringLiteral :: TokenParser PSString Source #

number :: TokenParser (Either Integer Double) Source #

natural :: TokenParser Integer Source #

reservedPsNames :: [Text] Source #

A list of purescript reserved identifiers

reservedTypeNames :: [Text] Source #

isSymbolChar :: Char -> Bool Source #

The characters allowed for use in operators

isUnquotedKey :: Text -> Bool Source #

Strings allowed to be left unquoted in a record key