-----------------------------------------------------------------------------
{
-{-# OPTIONS -Wwarn #-}
--- The above warning supression flag is a temporary kludge.
+{-# OPTIONS -Wwarn -w #-}
+-- 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
CmmToken(..), cmmlex,
) where
-#include "HsVersions.h"
-
import Cmm
import Lexer
-- single-line line pragmas, of the form
-- # <line> "<file>" <extra-stuff> \n
<line_prag> $digit+ { setLine line_prag1 }
-<line_prag1> \" ($printable # \")* \" { setFile line_prag2 }
+<line_prag1> \" [^\"]* \" { setFile line_prag2 }
<line_prag2> .* { pop }
<0> {
setLine :: Int -> Action
setLine code span buf len = do
let line = parseUnsignedInteger buf len 10 octDecDigit
- setSrcLoc (mkSrcLoc (srcSpanFile span) (fromIntegral line - 1) 0)
+ setSrcLoc (mkSrcLoc (srcSpanFile span) (fromIntegral line - 1) 1)
-- subtract one: the line number refers to the *following* line
-- trace ("setLine " ++ show line) $ do
popLexState
sc <- getLexState
case alexScan inp sc of
AlexEOF -> do let span = mkSrcSpan loc1 loc1
- setLastToken span 0 0
+ setLastToken span 0
return (L span CmmT_EOF)
AlexError (loc2,_) -> do failLocMsgP loc1 loc2 "lexical error"
AlexSkip inp2 _ -> do
AlexToken inp2@(end,buf2) len t -> do
setInput inp2
let span = mkSrcSpan loc1 end
- span `seq` setLastToken span len len
+ span `seq` setLastToken span len
t span buf len
-- -----------------------------------------------------------------------------