Add a WARNING pragma

[ghc-hetmet.git] / compiler / parser / HaddockLex.x

diff --git a/compiler/parser/HaddockLex.x b/compiler/parser/HaddockLex.x
index acc04d6..d9b4c03 100644 (file)
--- a/compiler/parser/HaddockLex.x
+++ b/compiler/parser/HaddockLex.x
@@ -67,6 +67,7 @@ $ident    = [$alphanum \'\_\.\!\#\$\%\&\*\+\/\<\=\>\?\@\\\\\^\|\-\~]
 
 <string,def> {
   $special                     { strtoken $ \s -> TokSpecial (head s) }
+  \<\<.*\>\>                    { strtoken $ \s -> TokPic (init $ init $ tail $ tail s) }
   \<.*\>                       { strtoken $ \s -> TokURL (init (tail s)) }
   \#.*\#                       { strtoken $ \s -> TokAName (init (tail s)) }
   \/ [^\/]* \/                  { strtoken $ \s -> TokEmphasis (init (tail s)) }
@@ -102,6 +103,7 @@ data Token
   | TokIdent [RdrName]
   | TokString String
   | TokURL String
+  | TokPic String
   | TokEmphasis String
   | TokAName String
   | TokBirdTrack String
@@ -126,7 +128,7 @@ tokenise str = let toks = go ('\n', eofHack str) para in {-trace (show toks)-} t
          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
@@ -134,16 +136,16 @@ tokenise str = let toks = go ('\n', eofHack str) para in {-trace (show toks)-} t
 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 t = \str sc cont -> t str : cont sc
 
 begin :: StartCode -> Action
-begin sc = \str _ cont -> cont sc
+begin sc = \_ _ cont -> cont sc
 
 -- -----------------------------------------------------------------------------
 -- Lex a string as a Haskell identifier
@@ -159,7 +161,6 @@ strToHsQNames :: String -> Maybe [RdrName]
 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]