X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fparser%2FLexer.x;h=856c2989af4fb722e645ff94a356d11d97e7aa97;hb=c8732b3c99e93c36ad28e23d2b901b794e89542a;hp=6a25ae57b2aca19d77d06c70510b302134318159;hpb=046ee54f048ddd721dcee41916d6a6f68db3b15b;p=ghc-hetmet.git diff --git a/compiler/parser/Lexer.x b/compiler/parser/Lexer.x index 6a25ae5..856c298 100644 --- a/compiler/parser/Lexer.x +++ b/compiler/parser/Lexer.x @@ -233,6 +233,8 @@ $white_no_nl+ ; "{-#" $whitechar* (DEPRECATED|deprecated) { token ITdeprecated_prag } "{-#" $whitechar* (SCC|scc) { token ITscc_prag } + "{-#" $whitechar* (GENERATED|generated) + { token ITgenerated_prag } "{-#" $whitechar* (CORE|core) { token ITcore_prag } "{-#" $whitechar* (UNPACK|unpack) { token ITunpack_prag } @@ -432,6 +434,7 @@ data Token | ITdeprecated_prag | ITline_prag | ITscc_prag + | ITgenerated_prag | ITcore_prag -- hdaume: core annotations | ITunpack_prag | ITclose_prag @@ -690,24 +693,23 @@ pop _span _buf _len = do popLexState; lexToken pop_and :: Action -> Action pop_and act span buf len = do popLexState; act span buf len -notFollowedBy char _ _ _ (AI _ _ buf) = atEnd buf || currentChar buf /= char +{-# INLINE nextCharIs #-} +nextCharIs buf p = not (atEnd buf) && p (currentChar buf) + +notFollowedBy char _ _ _ (AI _ _ buf) + = nextCharIs buf (/=char) notFollowedBySymbol _ _ _ (AI _ _ buf) - = atEnd buf || currentChar buf `notElem` "!#$%&*+./<=>?@\\^|-~" + = nextCharIs buf (`notElem` "!#$%&*+./<=>?@\\^|-~") isNormalComment bits _ _ (AI _ _ buf) - = (if haddockEnabled bits then False else (followedBySpaceDoc buf)) - || notFollowedByDocOrPragma + | haddockEnabled bits = notFollowedByDocOrPragma + | otherwise = nextCharIs buf (/='#') where - notFollowedByDocOrPragma = not $ spaceAndP buf - (\buf' -> currentChar buf' `elem` "|^*$#") - -spaceAndP buf p = p buf || currentChar buf == ' ' && p buf' - where buf' = snd (nextChar buf) - -followedBySpaceDoc buf = spaceAndP buf followedByDoc + notFollowedByDocOrPragma + = not $ spaceAndP buf (`nextCharIs` (`elem` "|^*$#")) -followedByDoc buf = currentChar buf `elem` "|^*$" +spaceAndP buf p = p buf || nextCharIs buf (==' ') && p (snd (nextChar buf)) haddockDisabledAnd p bits _ _ (AI _ _ buf) = if haddockEnabled bits then False else (p buf)