X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=compiler%2Fparser%2FLexer.x;h=1037a1a589cf71a65da61328fc656ea48dbccd8e;hb=d2c42ab44b3fc54a01b51d91f061b51302c7f3ab;hp=fe5c69326641e1bb8c06fe77979cf834d840c634;hpb=e17a800817a370fd198831f12cff35122376fa8d;p=ghc-hetmet.git

diff --git a/compiler/parser/Lexer.x b/compiler/parser/Lexer.x
index fe5c693..1037a1a 100644
--- a/compiler/parser/Lexer.x
+++ b/compiler/parser/Lexer.x
@@ -32,7 +32,7 @@
 
 {
 {-# OPTIONS -Wwarn -w #-}
--- The above warning supression flag is a temporary kludge.
+-- The above -Wwarn 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
 --     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
@@ -662,7 +662,7 @@ reservedWordsFM = listToUFM $
 	( "ccall",      ITccallconv,	 bit ffiBit),
 	( "prim",       ITprimcallconv,	 bit ffiBit),
 
-	( "rec",	ITrec,		 bit arrowsBit),
+	( "rec",	ITrec,		 bit recBit),
 	( "proc",	ITproc,		 bit arrowsBit)
      ]
 
@@ -880,12 +880,12 @@ withLexedDocType lexDocComment = do
 -- RULES pragmas turn on the forall and '.' keywords, and we turn them
 -- off again at the end of the pragma.
 rulePrag :: Action
-rulePrag span _ _ = do
+rulePrag span _buf _len = do
   setExts (.|. bit inRulePragBit)
   return (L span ITrules_prag)
 
 endPrag :: Action
-endPrag span _ _ = do
+endPrag span _buf _len = do
   setExts (.&. complement (bit inRulePragBit))
   return (L span ITclose_prag)
 
@@ -1672,6 +1672,8 @@ rawTokenStreamBit :: Int
 rawTokenStreamBit = 20 -- producing a token stream with all comments included
 newQualOpsBit :: Int
 newQualOpsBit = 21 -- Haskell' qualified operator syntax, e.g. Prelude.(+)
+recBit :: Int
+recBit = 22 -- rec
 
 always :: Int -> Bool
 always           _     = True
@@ -1766,6 +1768,8 @@ mkPState buf loc flags  =
 	       .|. magicHashBit      `setBitIf` dopt Opt_MagicHash    flags
 	       .|. kindSigsBit       `setBitIf` dopt Opt_KindSignatures flags
 	       .|. recursiveDoBit    `setBitIf` dopt Opt_RecursiveDo flags
+	       .|. recBit 	     `setBitIf` dopt Opt_DoRec  flags
+	       .|. recBit 	     `setBitIf` dopt Opt_Arrows flags
 	       .|. unicodeSyntaxBit  `setBitIf` dopt Opt_UnicodeSyntax flags
 	       .|. unboxedTuplesBit  `setBitIf` dopt Opt_UnboxedTuples flags
 	       .|. standaloneDerivingBit `setBitIf` dopt Opt_StandaloneDeriving flags