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Rewrote the horrible analyze code

This commit is contained in:
Vidar Holen 2012-11-15 22:19:06 -08:00
parent 61baf730e0
commit 5d26f627cf
1 changed files with 81 additions and 240 deletions
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321
ShellCheck/Parser.hs
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@ -431,251 +431,92 @@ data Token = T_AND_IF Id | T_OR_IF Id | T_DSEMI Id | T_Semi Id | T_DLESS Id | T_
data ConditionType = DoubleBracket | SingleBracket deriving (Show, Eq) data ConditionType = DoubleBracket | SingleBracket deriving (Show, Eq)
analyzeScopes f g i = mapM (analyze f g i) analyze f g i t =
analyze f g i s@(T_NormalWord id list) = do round t
f s where
a <- analyzeScopes f g i list round t = do
g s f t
return . i $ T_NormalWord id a newT <- delve t
g t
return . i $ newT
roundAll = mapM round
analyze f g i s@(T_DoubleQuoted id list) = do dl l v = do
f s x <- roundAll l
a <- analyzeScopes f g i list return $ v x
g s dll l m v = do
return . i $ T_DoubleQuoted id a x <- roundAll l
y <- roundAll m
return $ v x m
d1 t v = do
x <- round t
return $ v x
d2 t1 t2 v = do
x <- round t1
y <- round t2
return $ v x y
analyze f g i s@(T_DollarExpansion id l) = do delve (T_NormalWord id list) = dl list $ T_NormalWord id
f s delve (T_DoubleQuoted id list) = dl list $ T_DoubleQuoted id
nl <- mapM (analyze f g i) l delve (T_DollarExpansion id list) = dl list $ T_DollarExpansion id
g s delve (T_IoFile id op file) = d2 op file $ T_IoFile id
return . i $ T_DollarExpansion id nl delve (T_HereString id word) = d1 word $ T_HereString id
delve (T_FdRedirect id v t) = d1 t $ T_FdRedirect id v
delve (T_Assignment id v t) = d1 t $ T_Assignment id v
delve (T_Array id t) = dl t $ T_Array id
delve (T_Redirecting id redirs cmd) = do
a <- roundAll redirs
b <- round cmd
return $ T_Redirecting id a b
delve (T_SimpleCommand id vars cmds) = dll vars cmds $ T_SimpleCommand id
delve (T_Pipeline id l) = dl l $ T_Pipeline id
delve (T_Banged id l) = d1 l $ T_Banged id
delve (T_AndIf id t u) = d2 t u $ T_AndIf id
delve (T_OrIf id t u) = d2 t u $ T_OrIf id
delve (T_Backgrounded id l) = d1 l $ T_Backgrounded id
delve (T_Subshell id l) = dl l $ T_Subshell id
delve (T_IfExpression id conditions elses) = do
newConds <- mapM (\(c, t) -> do
x <- mapM round c
y <- mapM round t
return (x,y)
) conditions
newElses <- roundAll elses
return $ T_IfExpression id newConds newElses
delve (T_BraceGroup id l) = dl l $ T_BraceGroup id
delve (T_WhileExpression id c l) = dll c l $ T_WhileExpression id
delve (T_UntilExpression id c l) = dll c l $ T_UntilExpression id
delve (T_ForIn id v w l) = dll w l $ T_ForIn id v
delve (T_CaseExpression id word cases) = do
newWord <- round word
newCases <- mapM (\(c, t) -> do
x <- mapM round c
y <- mapM round t
return (x,y)
) cases
return $ T_CaseExpression id newWord newCases
analyze f g i s@(T_IoFile id op file) = do delve (T_Script id l) = dl l $ T_Script id
f s delve (T_Function id name body) = d1 body $ T_Function id name
a <- analyze f g i op
b <- analyze f g i file
g s
return . i $ T_IoFile id a b
analyze f g i s@(T_HereString id word) = do delve (T_Condition id typ token) = d1 token $ T_Condition id typ
f s delve (TC_And id typ str t1 t2) = d2 t1 t2 $ TC_And id typ str
a <- analyze f g i word delve (TC_Or id typ str t1 t2) = d2 t1 t2 $ TC_Or id typ str
g s delve (TC_Group id typ token) = d1 token $ TC_Group id typ
return . i $ T_HereString id a delve (TC_Binary id typ op lhs rhs) = d2 lhs rhs $ TC_Binary id typ op
delve (TC_Unary id typ op token) = d1 token $ TC_Unary id typ op
delve (TC_Noary id typ token) = d1 token $ TC_Noary id typ
analyze f g i s@(T_FdRedirect id v t) = do delve (TA_Binary id op t1 t2) = d2 t1 t2 $ TA_Binary id op
f s delve (TA_Unary id op t1) = d1 t1 $ TA_Unary id op
a <- analyze f g i t delve (TA_Sequence id l) = dl l $ TA_Sequence id
g s delve (TA_Trinary id t1 t2 t3) = do
return . i $ T_FdRedirect id v a a <- round t1
b <- round t2
analyze f g i s@(T_Assignment id v t) = do c <- round t3
f s return $ TA_Trinary id a b c
a <- analyze f g i t delve (TA_Expansion id t) = d1 t $ TA_Expansion id
g s delve t = return t
return . i $ T_Assignment id v a
analyze f g i s@(T_Array id t) = do
f s
a <- analyzeScopes f g i t
g s
return . i $ T_Array id a
analyze f g i s@(T_Redirecting id redirs cmd) = do
f s
newRedirs <- analyzeScopes f g i redirs
newCmd <- analyze f g i $ cmd
g s
return . i $ (T_Redirecting id newRedirs newCmd)
analyze f g i s@(T_SimpleCommand id vars cmds) = do
f s
a <- analyzeScopes f g i vars
b <- analyzeScopes f g i cmds
g s
return . i $ T_SimpleCommand id a b
analyze f g i s@(T_Pipeline id l) = do
f s
a <- analyzeScopes f g i l
g s
return . i $ T_Pipeline id a
analyze f g i s@(T_Banged id l) = do
f s
a <- analyze f g i l
g s
return . i $ T_Banged id a
analyze f g i s@(T_AndIf id t u) = do
f s
a <- analyze f g i t
b <- analyze f g i u
g s
return . i $ T_AndIf id a b
analyze f g i s@(T_OrIf id t u) = do
f s
a <- analyze f g i t
b <- analyze f g i u
g s
return . i $ T_OrIf id a b
analyze f g i s@(T_Backgrounded id l) = do
f s
a <- analyze f g i l
g s
return . i $ T_Backgrounded id a
analyze f g i s@(T_IfExpression id conditions elses) = do
f s
newConds <- mapM (\(c, t) -> do
x <- mapM (analyze f g i) c
y <- mapM (analyze f g i) t
return (x, y)
) conditions
newElses <- mapM (analyze f g i) elses
g s
return . i $ T_IfExpression id newConds newElses
analyze f g i s@(T_Subshell id l) = do
f s
a <- mapM (analyze f g i) l
g s
return . i $ T_Subshell id a
analyze f g i s@(T_BraceGroup id l) = do
f s
a <- mapM (analyze f g i) l
g s
return . i $ T_BraceGroup id a
analyze f g i s@(T_WhileExpression id c l) = do
f s
a <- mapM (analyze f g i) c
b <- mapM (analyze f g i) l
g s
return . i $ T_WhileExpression id a b
analyze f g i s@(T_UntilExpression id c l) = do
f s
a <- mapM (analyze f g i) c
b <- mapM (analyze f g i) l
g s
return . i $ T_UntilExpression id a b
analyze f g i s@(T_ForIn id v w l) = do
f s
a <- mapM (analyze f g i) w
b <- mapM (analyze f g i) l
g s
return . i $ T_ForIn id v a b
analyze f g i s@(T_CaseExpression id word cases) = do
f s
newWord <- analyze f g i word
newCases <- mapM (\(c, t) -> do
x <- mapM (analyze f g i) c
y <- mapM (analyze f g i) t
return (x, y)
) cases
g s
return . i $ T_CaseExpression id newWord newCases
analyze f g i s@(T_Script id l) = do
f s
a <- mapM (analyze f g i) l
g s
return . i $ T_Script id a
analyze f g i s@(T_Function id name body) = do
f s
a <- analyze f g i body
g s
return . i $ T_Function id name a
analyze f g i s@(T_Condition id typ token) = do
f s
a <- analyze f g i token
g s
return . i $ T_Condition id typ a
analyze f g i s@(TC_And id typ str t1 t2) = do
f s
a <- analyze f g i t1
b <- analyze f g i t2
g s
return . i $ TC_And id typ str a b
analyze f g i s@(TC_Or id typ str t1 t2) = do
f s
a <- analyze f g i t1
b <- analyze f g i t2
g s
return . i $ TC_Or id typ str a b
analyze f g i s@(TC_Group id typ token) = do
f s
a <- analyze f g i token
g s
return . i $ TC_Group id typ a
analyze f g i s@(TC_Binary id typ op lhs rhs) = do
f s
a <- analyze f g i lhs
b <- analyze f g i rhs
g s
return . i $ TC_Binary id typ op a b
analyze f g i s@(TC_Unary id typ op token) = do
f s
a <- analyze f g i token
g s
return . i $ TC_Unary id typ op a
analyze f g i s@(TC_Noary id typ token) = do
f s
a <- analyze f g i token
g s
return . i $ TC_Noary id typ a
analyze f g i s@(TA_Binary id op t1 t2) = do
f s
a <- analyze f g i t1
b <- analyze f g i t2
g s
return . i $ TA_Binary id op t1 t2
analyze f g i s@(TA_Unary id op t1) = do
f s
a <- analyze f g i t1
g s
return . i $ TA_Unary id op a
analyze f g i s@(TA_Sequence id l) = do
f s
a <- analyzeScopes f g i l
g s
return . i $ TA_Sequence id a
analyze f g i s@(TA_Trinary id t1 t2 t3) = do
f s
a <- analyze f g i t1
b <- analyze f g i t2
c <- analyze f g i t3
g s
return . i $ TA_Trinary id a b c
analyze f g i s@(TA_Expansion id t) = do
f s
a <- analyze f g i t
g s
return . i $ TA_Expansion id a
analyze f g i t = do
f t
g t
return . i $ t
blank = const $ return () blank = const $ return ()