PP.Lexers.Dfa

Documentation

data DfaConfig

DFA configuration

Instances

Show DfaConfig

Methods

showsPrec :: Int -> DfaConfig -> ShowS

show :: DfaConfig -> String

showList :: [DfaConfig] -> ShowS

Lexer DfaConfig

Lexer instance for DFA configuration Dragon Book (2nd edition, fr), page 156, example 3.28

Methods

simulate :: DfaConfig -> DfaConfig

consumed :: DfaConfig -> Bool

output :: DfaConfig -> [OToken]

consume :: DfaConfig -> DfaConfig

dfaConfig :: String -> DfaGraph -> DfaConfig

Create DFA configuration

createDfa :: [Rule] -> DfaGraph

Create a complete DFA from a list of lexical rules

createDfa' :: [Rule] -> IO (Either String DfaGraph)

Exception-safe version of createDfa