Parser help with globs, fixed message for grep foo\*

This commit is contained in:
Vidar Holen 2012-11-29 19:20:44 -08:00
parent 1bc6086aec
commit b718e5f108
3 changed files with 40 additions and 15 deletions

View file

@ -89,15 +89,13 @@ willSplit x =
T_DollarExpansion _ _ -> True
T_Backticked _ _ -> True
T_BraceExpansion _ s -> True
T_Glob _ _ -> True
T_Extglob _ _ _ -> True
T_NormalWord _ l -> any willSplit l
T_Literal _ s -> isGlobLiteral s
_ -> False
isGlobLiteral str = any (`elem` str) "*?"
isGlob (T_Extglob _ _ _) = True
isGlob (T_Literal _ s) = isGlobLiteral s
isGlob (T_Glob _ _) = True
isGlob (T_NormalWord _ l) = any isGlob l
isGlob _ = False
@ -571,10 +569,13 @@ checkUuoe = checkCommand "echo" f where
prop_checkTrAZ1 = verify checkTrAZ "tr [a-f] [A-F]"
prop_checkTrAZ2 = verify checkTrAZ "tr 'a-z' 'A-Z'"
prop_checkTrAZ2a= verify checkTrAZ "tr '[a-z]' '[A-Z]'"
prop_checkTrAZ3 = verifyNot checkTrAZ "tr -d '[:lower:]'"
prop_checkTrAZ4 = verifyNot checkTrAZ "ls [a-z]"
checkTrAZ = checkCommand "tr" (mapM_ f)
where
f w | isGlob w = do -- The user will go [ab] -> '[ab]' -> 'ab'. Fixme?
warn (getId w) $ "Quote the parameter to tr to prevent glob expansion."
f word = case getLiteralString word of
Just "a-z" -> info (getId word) "Use '[:lower:]' to support accents and foreign alphabets."
Just "A-Z" -> info (getId word) "Use '[:upper:]' to support accents and foreign alphabets."
@ -603,6 +604,7 @@ prop_checkGrepRe2 = verify checkGrepRe "grep -Ev cow*test *.mp3"
prop_checkGrepRe3 = verify checkGrepRe "grep --regex=*.mp3 file"
prop_checkGrepRe4 = verifyNot checkGrepRe "grep foo *.mp3"
prop_checkGrepRe5 = verifyNot checkGrepRe "grep-v --regex=moo *"
prop_checkGrepRe6 = verifyNot checkGrepRe "grep foo \\*.mp3"
checkGrepRe = checkCommand "grep" f where
-- --regex=*(extglob) doesn't work. Fixme?
skippable (Just s) = not ("--regex=" `isPrefixOf` s) && "-" `isPrefixOf` s
@ -675,6 +677,7 @@ isSpaceful :: (String -> Bool) -> Token -> Bool
isSpaceful spacefulF x =
case x of
T_DollarExpansion _ _ -> True
T_Glob _ _ -> True
T_Extglob _ _ _ -> True
T_Literal _ s -> s `containsAny` globspace
T_SingleQuoted _ s -> s `containsAny` globspace
@ -683,7 +686,7 @@ isSpaceful spacefulF x =
T_DoubleQuoted _ w -> isSpacefulWord spacefulF w
_ -> False
where
globspace = "* \t\n"
globspace = "*? \t\n"
containsAny s chars = any (\c -> c `elem` s) chars
isSpacefulWord :: (String -> Bool) -> [Token] -> Bool