--
{
-{-# OPTIONS -w #-}
+{-# OPTIONS -Wwarn -w #-}
-- The above warning supression flag is a temporary kludge.
-- While working on this module you are encouraged to remove it and fix
-- any warnings in the module. See
import SrcLoc
import DynFlags
-import Char
+import Data.Char
import Numeric
import System.IO.Unsafe
}
() { begin string }
}
-<birdtrack> .* \n? { strtoken TokBirdTrack `andBegin` line }
+<birdtrack> .* \n? { strtokenNL TokBirdTrack `andBegin` line }
<string,def> {
$special { strtoken $ \s -> TokSpecial (head s) }
-- allow special characters through if they don't fit one of the previous
-- patterns.
[\/\'\`\<\#\&\\] { strtoken TokString }
- [^ $special \/ \< \# \n \'\` \& \\ \]]* \n { strtoken TokString `andBegin` line }
+ [^ $special \/ \< \# \n \'\` \& \\ \]]* \n { strtokenNL TokString `andBegin` line }
[^ $special \/ \< \# \n \'\` \& \\ \]]+ { strtoken TokString }
}
case alexScan inp sc of
AlexEOF -> []
AlexError _ -> error "lexical error"
- AlexSkip inp' len -> go inp' sc
+ AlexSkip inp' _ -> go inp' sc
AlexToken inp' len act -> act (take len str) sc (\sc -> go inp' sc)
-- NB. we add a final \n to the string, (see comment in the beginning of line
eofHack str = str++"\n"
andBegin :: Action -> StartCode -> Action
-andBegin act new_sc = \str sc cont -> act str new_sc cont
+andBegin act new_sc = \str _ cont -> act str new_sc cont
token :: Token -> Action
-token t = \str sc cont -> t : cont sc
+token t = \_ sc cont -> t : cont sc
-strtoken :: (String -> Token) -> Action
+strtoken, strtokenNL :: (String -> Token) -> Action
strtoken t = \str sc cont -> t str : cont sc
+strtokenNL t = \str sc cont -> t (filter (/= '\r') str) : cont sc
+-- ^ We only want LF line endings in our internal doc string format, so we
+-- filter out all CRs.
begin :: StartCode -> Action
-begin sc = \str _ cont -> cont sc
+begin sc = \_ _ cont -> cont sc
-- -----------------------------------------------------------------------------
-- Lex a string as a Haskell identifier
strToHsQNames str0 =
let buffer = unsafePerformIO (stringToStringBuffer str0)
pstate = mkPState buffer noSrcLoc defaultDynFlags
- lex = lexer (\t -> return t)
result = unP parseIdentifier pstate
in case result of
POk _ name -> Just [unLoc name]