ModuleBNFC-2.9.6.3Haskell2010

BNFC.Lexing

Synopsis

value mkLexer
data LexType
value mkRegMultilineComment
value debugPrint

PackageBNFC-2.9.6.3
Exports4
LanguageHaskell2010
LicenceBSD-3-Clause
SourceLexing.hs

valuemkLexer :: CF -> [(Reg, LexType)]

datadata LexType

Constructors

LexComment
LexToken String
LexSymbols

valuemkRegMultilineComment :: String -> String -> Reg

Source#

Create regex for multiline comments.

Example1 expression

>>> debugPrint $ mkRegMultilineComment "<" ">"'<'(char-'>')*'>'

Example1 expression

>>> debugPrint $ mkRegMultilineComment "/*" "*/"{"/*"}(char-'*')*'*'((char-["*/"])(char-'*')*'*'|'*')*'/'

Example1 expression

>>> debugPrint $ mkRegMultilineComment "<!--" "-->"{"<!--"}(char-'-')*'-'((char-'-')+'-')*'-'((char-["->"])(char-'-')*'-'((char-'-')+'-')*'-'|'-')*'>'

valuedebugPrint :: Reg -> IO ()