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Support for arithmetic for loops.

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This commit is contained in:
Vidar Holen 2012-12-01 12:56:35 -08:00
parent ff85c67c29
commit b144700ae0
2 changed files with 32 additions and 5 deletions
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27
ShellCheck/Parser.hs
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@ -1095,15 +1095,34 @@ readDoGroup loopPos = do
prop_readForClause = isOk readForClause "for f in *; do rm \"$f\"; done"
prop_readForClause3 = isOk readForClause "for f; do foo; done"
prop_readForClause4 = isOk readForClause "for((i=0; i<10; i++)); do echo $i; done"
prop_readForClause5 = isOk readForClause "for ((i=0;i<10 && n>x;i++,--n))\ndo \necho $i\ndone"
prop_readForClause6 = isOk readForClause "for ((;;))\ndo echo $i\ndone"
readForClause = called "for loop" $ do
pos <- getPosition
(T_For id) <- g_For
spacing
name <- readVariableName
spacing
values <- readInClause <|> (readSequentialSep >> return [])
typ <- (readRegular <|> readArithmetic)
group <- readDoGroup pos
return $ T_ForIn id name values group
typ id group
where
readArithmetic = called "arithmetic for condition" $ do
try $ string "(("
x <- readArithmeticContents
char ';' >> spacing
y <- readArithmeticContents
char ';' >> spacing
z <- readArithmeticContents
spacing
string "))"
readSequentialSep
return $ \id group -> (return $ T_ForArithmetic id x y z group)
readRegular = do
name <- readVariableName
spacing
values <- readInClause <|> (readSequentialSep >> return [])
return $ \id group -> (return $ T_ForIn id name values group)
readInClause = do
g_In