Language.Lua.Annotated.Lexer

Documentation

llex

Arguments

:: Text

chunk

-> [LexToken]

Lua lexer with default =string name.

llexNamed

Arguments

:: String

name

-> Text

chunk

-> [LexToken]

Lua lexer with explicit name.

llexNamedWithWhiteSpace

Arguments

:: String

name

-> Text

chunk

-> [LexToken]

Lua lexer with explicit name, preseves white space and comments.

llexFile :: FilePath -> IO [LexToken]

Run Lua lexer on a file.

data LexToken

Lua token with position information.

Constructors

LexToken

Fields

• ltokToken :: Token
• ltokRange :: SourceRange
• ltokLexeme :: Text

Instances

Eq LexToken

Methods

(==) :: LexToken -> LexToken -> Bool

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

Show LexToken

Methods

showsPrec :: Int -> LexToken -> ShowS

show :: LexToken -> String

showList :: [LexToken] -> ShowS

data SourcePos

The type of locations in a source file

Constructors

SourcePos

Fields

• sourcePosName :: String
• sourcePosIndex, sourcePosLine, sourcePosColumn :: !Int

Instances

Eq SourcePos

Methods

(==) :: SourcePos -> SourcePos -> Bool

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

Show SourcePos

Methods

showsPrec :: Int -> SourcePos -> ShowS

show :: SourcePos -> String

showList :: [SourcePos] -> ShowS

NFData SourcePos

Methods

rnf :: SourcePos -> ()

data SourceRange

Constructors

SourceRange

Fields

• sourceFrom :: !SourcePos
• sourceTo :: !SourcePos

Instances

Eq SourceRange

Methods

(==) :: SourceRange -> SourceRange -> Bool

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

Show SourceRange

Methods

showsPrec :: Int -> SourceRange -> ShowS

show :: SourceRange -> String

showList :: [SourceRange] -> ShowS

NFData SourceRange

Methods

rnf :: SourceRange -> ()

showPos :: SourcePos -> String

showRange :: SourceRange -> String

dropWhiteSpace :: [LexToken] -> [LexToken]

This function drops whitespace and comments from a list of lexemes in order to make it suitable for parsing.