@hackage tlex-th0.4.2.0

TemplateHaskell plugin for Tlex

Tlex Plugin: Template Haskell

Hackage

See also https://hackage.haskell.org/package/tlex

Usage

This plugin outputs from Scanner these APIs:

-- aliases of arguments of @buildTHScanner@
type TlexStartState :: Type
type TlexSemanticAction :: Type
type TlexCodeUnit :: Type

-- lexing API
tlexScan :: TlexContext s TlexCodeUnit m => TlexStartState -> m (TlexResult s TlexSemanticAction)

-- runner fields
thTlexInitial :: Int -> Int
thTlexTrans :: Int -> Int -> Int
thTlexAccept :: Int -> Maybe TlexSemanticAction