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Parser: accept here doc token strings more liberally

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Vidar Holen
2013-12-14 15:20:15 -08:00
parent 7be8485b8b
commit da51b14789
1 changed files with 19 additions and 5 deletions
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24
ShellCheck/Parser.hs
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@@ -1009,9 +1009,9 @@ prop_readHereDoc = isOk readHereDoc "<< foo\nlol\ncow\nfoo"
prop_readHereDoc2 = isWarning readHereDoc "<<- EOF\n cow\n EOF" prop_readHereDoc2 = isWarning readHereDoc "<<- EOF\n cow\n EOF"
prop_readHereDoc3 = isOk readHereDoc "<< foo\n$\"\nfoo" prop_readHereDoc3 = isOk readHereDoc "<< foo\n$\"\nfoo"
prop_readHereDoc4 = isOk readHereDoc "<< foo\n`\nfoo" prop_readHereDoc4 = isOk readHereDoc "<< foo\n`\nfoo"
prop_readHereDoc5 = isOk readHereDoc "<<- !foo\nbar\n!foo"
prop_readHereDoc6 = isOk readHereDoc "<< foo\\ bar\ncow\nfoo bar"
readHereDoc = called "here document" $ do readHereDoc = called "here document" $ do
let stripLiteral (T_Literal _ x) = x
stripLiteral (T_SingleQuoted _ x) = x
fid <- getNextId fid <- getNextId
pos <- getPosition pos <- getPosition
try $ string "<<" try $ string "<<"
@@ -1023,9 +1023,10 @@ readHereDoc = called "here document" $ do
let message = "Shells are space sensitive. Use '< <(cmd)', not '<<" ++ sp ++ "(cmd)'." let message = "Shells are space sensitive. Use '< <(cmd)', not '<<" ++ sp ++ "(cmd)'."
parseProblemAt pos ErrorC 1038 message parseProblemAt pos ErrorC 1038 message
hid <- getNextId hid <- getNextId
(quoted, endToken) <- (readNormalLiteral "" >>= (\x -> return (Unquoted, stripLiteral x)) ) (quoted, endToken) <-
<|> (readDoubleQuotedLiteral >>= return . (\x -> (Quoted, stripLiteral x))) (readDoubleQuotedLiteral >>= return . (\x -> (Quoted, stripLiteral x)))
<|> (readSingleQuotedLiteral >>= return . (\x -> (Quoted, x))) <|> (readSingleQuotedLiteral >>= return . (\x -> (Quoted, x)))
<|> (readToken >>= (\x -> return (Unquoted, x)))
spacing spacing
startPos <- getPosition startPos <- getPosition
@@ -1045,6 +1046,19 @@ readHereDoc = called "here document" $ do
`attempting` (eof >> debugHereDoc tokenPosition endToken hereData) `attempting` (eof >> debugHereDoc tokenPosition endToken hereData)
where where
stripLiteral (T_Literal _ x) = x
stripLiteral (T_SingleQuoted _ x) = x
readToken = do
liftM concat $ many1 (escaped <|> quoted <|> normal)
where
quoted = liftM stripLiteral readDoubleQuotedLiteral <|> readSingleQuotedLiteral
normal = anyChar `reluctantlyTill1` (whitespace <|> oneOf ";&)'\"\\")
escaped = do -- surely the user must be doing something wrong at this point
char '\\'
c <- anyChar
return [c]
parseHereData Quoted startPos hereData = do parseHereData Quoted startPos hereData = do
id <- getNextIdAt startPos id <- getNextIdAt startPos
return $ [T_Literal id hereData] return $ [T_Literal id hereData]