{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE DeriveAnyClass, DeriveGeneric #-}
{-# LANGUAGE CPP #-}
module ShellCheck.CFGAnalysis (
analyzeControlFlow
,CFGParameters (..)
,CFGAnalysis (..)
,ProgramState (..)
,VariableState (..)
,VariableValue (..)
,VariableProperties
,SpaceStatus (..)
,NumericalStatus (..)
,getIncomingState
,getOutgoingState
,doesPostDominate
,variableMayBeDeclaredInteger
,variableMayBeAssignedInteger
,ShellCheck.CFGAnalysis.runTests
) where
import Control.DeepSeq
import Control.Monad
import Control.Monad.ST
import Data.Array.Unboxed
import Data.Char
import Data.Graph.Inductive.Graph
import Data.Graph.Inductive.Query.DFS
import Data.List hiding (map)
import Data.Maybe
import Data.STRef
import Debug.Trace
import GHC.Generics (Generic)
import qualified Data.Map as M
import qualified Data.Set as S
import qualified ShellCheck.Data as Data
import ShellCheck.AST
import ShellCheck.CFG
import ShellCheck.Prelude
import Test.QuickCheck
iterationCount :: Integer
iterationCount = Integer
1000000
fallbackThreshold :: Integer
fallbackThreshold = Integer
10000
cacheEntries :: Node
cacheEntries = Node
10
logVerbose :: p -> m ()
logVerbose p
log = do
() -> m ()
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
logInfo :: p -> m ()
logInfo p
log = do
() -> m ()
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
data CFGAnalysis = CFGAnalysis {
CFGAnalysis -> CFGraph
graph :: CFGraph,
CFGAnalysis -> Map Id (Node, Node)
tokenToRange :: M.Map Id (Node, Node),
CFGAnalysis -> Map Id (Set Node)
tokenToNodes :: M.Map Id (S.Set Node),
CFGAnalysis -> Array Node [Node]
postDominators :: Array Node [Node],
CFGAnalysis -> Map Node (ProgramState, ProgramState)
nodeToData :: M.Map Node (ProgramState, ProgramState)
} deriving (Node -> CFGAnalysis -> ShowS
[CFGAnalysis] -> ShowS
CFGAnalysis -> String
(Node -> CFGAnalysis -> ShowS)
-> (CFGAnalysis -> String)
-> ([CFGAnalysis] -> ShowS)
-> Show CFGAnalysis
forall a.
(Node -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Node -> CFGAnalysis -> ShowS
showsPrec :: Node -> CFGAnalysis -> ShowS
$cshow :: CFGAnalysis -> String
show :: CFGAnalysis -> String
$cshowList :: [CFGAnalysis] -> ShowS
showList :: [CFGAnalysis] -> ShowS
Show)
data ProgramState = ProgramState {
ProgramState -> Map String VariableState
variablesInScope :: M.Map String VariableState,
ProgramState -> Set Id
exitCodes :: S.Set Id,
ProgramState -> Bool
stateIsReachable :: Bool
} deriving (Node -> ProgramState -> ShowS
[ProgramState] -> ShowS
ProgramState -> String
(Node -> ProgramState -> ShowS)
-> (ProgramState -> String)
-> ([ProgramState] -> ShowS)
-> Show ProgramState
forall a.
(Node -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Node -> ProgramState -> ShowS
showsPrec :: Node -> ProgramState -> ShowS
$cshow :: ProgramState -> String
show :: ProgramState -> String
$cshowList :: [ProgramState] -> ShowS
showList :: [ProgramState] -> ShowS
Show, ProgramState -> ProgramState -> Bool
(ProgramState -> ProgramState -> Bool)
-> (ProgramState -> ProgramState -> Bool) -> Eq ProgramState
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: ProgramState -> ProgramState -> Bool
== :: ProgramState -> ProgramState -> Bool
$c/= :: ProgramState -> ProgramState -> Bool
/= :: ProgramState -> ProgramState -> Bool
Eq, (forall x. ProgramState -> Rep ProgramState x)
-> (forall x. Rep ProgramState x -> ProgramState)
-> Generic ProgramState
forall x. Rep ProgramState x -> ProgramState
forall x. ProgramState -> Rep ProgramState x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cfrom :: forall x. ProgramState -> Rep ProgramState x
from :: forall x. ProgramState -> Rep ProgramState x
$cto :: forall x. Rep ProgramState x -> ProgramState
to :: forall x. Rep ProgramState x -> ProgramState
Generic, ProgramState -> ()
(ProgramState -> ()) -> NFData ProgramState
forall a. (a -> ()) -> NFData a
$crnf :: ProgramState -> ()
rnf :: ProgramState -> ()
NFData)
internalToExternal :: InternalState -> ProgramState
internalToExternal :: InternalState -> ProgramState
internalToExternal InternalState
s =
ProgramState {
variablesInScope :: Map String VariableState
variablesInScope = (VariableState -> VariableState)
-> Map String VariableState -> Map String VariableState
forall a b k. (a -> b) -> Map k a -> Map k b
M.map VariableState -> VariableState
censor Map String VariableState
flatVars,
exitCodes :: Set Id
exitCodes = Set Id -> Maybe (Set Id) -> Set Id
forall a. a -> Maybe a -> a
fromMaybe Set Id
forall a. Set a
S.empty (Maybe (Set Id) -> Set Id) -> Maybe (Set Id) -> Set Id
forall a b. (a -> b) -> a -> b
$ InternalState -> Maybe (Set Id)
sExitCodes InternalState
s,
stateIsReachable :: Bool
stateIsReachable = Bool -> Maybe Bool -> Bool
forall a. a -> Maybe a -> a
fromMaybe Bool
True (Maybe Bool -> Bool) -> Maybe Bool -> Bool
forall a b. (a -> b) -> a -> b
$ InternalState -> Maybe Bool
sIsReachable InternalState
s
}
where
censor :: VariableState -> VariableState
censor VariableState
s = VariableState
s {
variableValue = (variableValue s) {
literalValue = Nothing
}
}
flatVars :: Map String VariableState
flatVars = (VariableState -> VariableState -> VariableState)
-> [Map String VariableState] -> Map String VariableState
forall (f :: * -> *) k a.
(Foldable f, Ord k) =>
(a -> a -> a) -> f (Map k a) -> Map k a
M.unionsWith (\VariableState
_ VariableState
last -> VariableState
last) ([Map String VariableState] -> Map String VariableState)
-> [Map String VariableState] -> Map String VariableState
forall a b. (a -> b) -> a -> b
$ (VersionedMap String VariableState -> Map String VariableState)
-> [VersionedMap String VariableState]
-> [Map String VariableState]
forall a b. (a -> b) -> [a] -> [b]
map VersionedMap String VariableState -> Map String VariableState
forall k v. VersionedMap k v -> Map k v
mapStorage [InternalState -> VersionedMap String VariableState
sGlobalValues InternalState
s, InternalState -> VersionedMap String VariableState
sLocalValues InternalState
s, InternalState -> VersionedMap String VariableState
sPrefixValues InternalState
s]
getIncomingState :: CFGAnalysis -> Id -> Maybe ProgramState
getIncomingState :: CFGAnalysis -> Id -> Maybe ProgramState
getIncomingState CFGAnalysis
analysis Id
id = do
(start,end) <- Id -> Map Id (Node, Node) -> Maybe (Node, Node)
forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup Id
id (Map Id (Node, Node) -> Maybe (Node, Node))
-> Map Id (Node, Node) -> Maybe (Node, Node)
forall a b. (a -> b) -> a -> b
$ CFGAnalysis -> Map Id (Node, Node)
tokenToRange CFGAnalysis
analysis
fst <$> M.lookup start (nodeToData analysis)
getOutgoingState :: CFGAnalysis -> Id -> Maybe ProgramState
getOutgoingState :: CFGAnalysis -> Id -> Maybe ProgramState
getOutgoingState CFGAnalysis
analysis Id
id = do
(start,end) <- Id -> Map Id (Node, Node) -> Maybe (Node, Node)
forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup Id
id (Map Id (Node, Node) -> Maybe (Node, Node))
-> Map Id (Node, Node) -> Maybe (Node, Node)
forall a b. (a -> b) -> a -> b
$ CFGAnalysis -> Map Id (Node, Node)
tokenToRange CFGAnalysis
analysis
snd <$> M.lookup end (nodeToData analysis)
doesPostDominate :: CFGAnalysis -> Id -> Id -> Bool
doesPostDominate :: CFGAnalysis -> Id -> Id -> Bool
doesPostDominate CFGAnalysis
analysis Id
target Id
base = Bool -> Maybe Bool -> Bool
forall a. a -> Maybe a -> a
fromMaybe Bool
False (Maybe Bool -> Bool) -> Maybe Bool -> Bool
forall a b. (a -> b) -> a -> b
$ do
(_, baseEnd) <- Id -> Map Id (Node, Node) -> Maybe (Node, Node)
forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup Id
base (Map Id (Node, Node) -> Maybe (Node, Node))
-> Map Id (Node, Node) -> Maybe (Node, Node)
forall a b. (a -> b) -> a -> b
$ CFGAnalysis -> Map Id (Node, Node)
tokenToRange CFGAnalysis
analysis
(targetStart, _) <- M.lookup target $ tokenToRange analysis
return $ targetStart `elem` (postDominators analysis ! baseEnd)
variableMayHaveState :: ProgramState -> String -> CFVariableProp -> Maybe Bool
variableMayHaveState :: ProgramState -> String -> CFVariableProp -> Maybe Bool
variableMayHaveState ProgramState
state String
var CFVariableProp
property = do
value <- String -> Map String VariableState -> Maybe VariableState
forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup String
var (Map String VariableState -> Maybe VariableState)
-> Map String VariableState -> Maybe VariableState
forall a b. (a -> b) -> a -> b
$ ProgramState -> Map String VariableState
variablesInScope ProgramState
state
return $ any (S.member property) $ variableProperties value
variableMayBeDeclaredInteger :: ProgramState -> String -> Maybe Bool
variableMayBeDeclaredInteger ProgramState
state String
var = ProgramState -> String -> CFVariableProp -> Maybe Bool
variableMayHaveState ProgramState
state String
var CFVariableProp
CFVPInteger
variableMayBeAssignedInteger :: ProgramState -> String -> Maybe Bool
variableMayBeAssignedInteger ProgramState
state String
var = do
value <- String -> Map String VariableState -> Maybe VariableState
forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup String
var (Map String VariableState -> Maybe VariableState)
-> Map String VariableState -> Maybe VariableState
forall a b. (a -> b) -> a -> b
$ ProgramState -> Map String VariableState
variablesInScope ProgramState
state
return $ (numericalStatus $ variableValue value) >= NumericalStatusMaybe
getDataForNode :: CFGAnalysis -> Node -> Maybe (ProgramState, ProgramState)
getDataForNode CFGAnalysis
analysis Node
node = Node
-> Map Node (ProgramState, ProgramState)
-> Maybe (ProgramState, ProgramState)
forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup Node
node (Map Node (ProgramState, ProgramState)
-> Maybe (ProgramState, ProgramState))
-> Map Node (ProgramState, ProgramState)
-> Maybe (ProgramState, ProgramState)
forall a b. (a -> b) -> a -> b
$ CFGAnalysis -> Map Node (ProgramState, ProgramState)
nodeToData CFGAnalysis
analysis
data InternalState = InternalState {
InternalState -> Integer
sVersion :: Integer,
InternalState -> VersionedMap String VariableState
sGlobalValues :: VersionedMap String VariableState,
InternalState -> VersionedMap String VariableState
sLocalValues :: VersionedMap String VariableState,
InternalState -> VersionedMap String VariableState
sPrefixValues :: VersionedMap String VariableState,
InternalState -> VersionedMap String FunctionValue
sFunctionTargets :: VersionedMap String FunctionValue,
InternalState -> Maybe (Set Id)
sExitCodes :: Maybe (S.Set Id),
InternalState -> Maybe Bool
sIsReachable :: Maybe Bool
} deriving (Node -> InternalState -> ShowS
[InternalState] -> ShowS
InternalState -> String
(Node -> InternalState -> ShowS)
-> (InternalState -> String)
-> ([InternalState] -> ShowS)
-> Show InternalState
forall a.
(Node -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Node -> InternalState -> ShowS
showsPrec :: Node -> InternalState -> ShowS
$cshow :: InternalState -> String
show :: InternalState -> String
$cshowList :: [InternalState] -> ShowS
showList :: [InternalState] -> ShowS
Show, (forall x. InternalState -> Rep InternalState x)
-> (forall x. Rep InternalState x -> InternalState)
-> Generic InternalState
forall x. Rep InternalState x -> InternalState
forall x. InternalState -> Rep InternalState x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cfrom :: forall x. InternalState -> Rep InternalState x
from :: forall x. InternalState -> Rep InternalState x
$cto :: forall x. Rep InternalState x -> InternalState
to :: forall x. Rep InternalState x -> InternalState
Generic, InternalState -> ()
(InternalState -> ()) -> NFData InternalState
forall a. (a -> ()) -> NFData a
$crnf :: InternalState -> ()
rnf :: InternalState -> ()
NFData)
newInternalState :: InternalState
newInternalState = InternalState {
sVersion :: Integer
sVersion = Integer
0,
sGlobalValues :: VersionedMap String VariableState
sGlobalValues = VersionedMap String VariableState
forall {k} {v}. VersionedMap k v
vmEmpty,
sLocalValues :: VersionedMap String VariableState
sLocalValues = VersionedMap String VariableState
forall {k} {v}. VersionedMap k v
vmEmpty,
sPrefixValues :: VersionedMap String VariableState
sPrefixValues = VersionedMap String VariableState
forall {k} {v}. VersionedMap k v
vmEmpty,
sFunctionTargets :: VersionedMap String FunctionValue
sFunctionTargets = VersionedMap String FunctionValue
forall {k} {v}. VersionedMap k v
vmEmpty,
sExitCodes :: Maybe (Set Id)
sExitCodes = Maybe (Set Id)
forall a. Maybe a
Nothing,
sIsReachable :: Maybe Bool
sIsReachable = Maybe Bool
forall a. Maybe a
Nothing
}
unreachableState :: InternalState
unreachableState = InternalState -> InternalState
modified InternalState
newInternalState {
sIsReachable = Just False
}
createEnvironmentState :: InternalState
createEnvironmentState :: InternalState
createEnvironmentState = do
(InternalState
-> (InternalState -> InternalState) -> InternalState)
-> InternalState
-> [InternalState -> InternalState]
-> InternalState
forall b a. (b -> a -> b) -> b -> [a] -> b
forall (t :: * -> *) b a.
Foldable t =>
(b -> a -> b) -> b -> t a -> b
foldl' (((InternalState -> InternalState)
-> InternalState -> InternalState)
-> InternalState
-> (InternalState -> InternalState)
-> InternalState
forall a b c. (a -> b -> c) -> b -> a -> c
flip (InternalState -> InternalState) -> InternalState -> InternalState
forall a b. (a -> b) -> a -> b
($)) InternalState
newInternalState ([InternalState -> InternalState] -> InternalState)
-> [InternalState -> InternalState] -> InternalState
forall a b. (a -> b) -> a -> b
$ [[InternalState -> InternalState]]
-> [InternalState -> InternalState]
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat [
[String] -> VariableState -> [InternalState -> InternalState]
addVars [String]
Data.internalVariables VariableState
unknownVariableState,
[String] -> VariableState -> [InternalState -> InternalState]
addVars [String]
Data.variablesWithoutSpaces VariableState
spacelessVariableState,
[String] -> VariableState -> [InternalState -> InternalState]
addVars [String]
Data.specialIntegerVariables VariableState
integerVariableState
]
where
addVars :: [String] -> VariableState -> [InternalState -> InternalState]
addVars [String]
names VariableState
val = (String -> InternalState -> InternalState)
-> [String] -> [InternalState -> InternalState]
forall a b. (a -> b) -> [a] -> [b]
map (\String
name -> String -> VariableState -> InternalState -> InternalState
insertGlobal String
name VariableState
val) [String]
names
spacelessVariableState :: VariableState
spacelessVariableState = VariableState
unknownVariableState {
variableValue = VariableValue {
literalValue = Nothing,
spaceStatus = SpaceStatusClean,
numericalStatus = NumericalStatusUnknown
}
}
integerVariableState :: VariableState
integerVariableState = VariableState
unknownVariableState {
variableValue = unknownIntegerValue
}
modified :: InternalState -> InternalState
modified InternalState
s = InternalState
s { sVersion = -1 }
insertGlobal :: String -> VariableState -> InternalState -> InternalState
insertGlobal :: String -> VariableState -> InternalState -> InternalState
insertGlobal String
name VariableState
value InternalState
state = InternalState -> InternalState
modified InternalState
state {
sGlobalValues = vmInsert name value $ sGlobalValues state
}
insertLocal :: String -> VariableState -> InternalState -> InternalState
insertLocal :: String -> VariableState -> InternalState -> InternalState
insertLocal String
name VariableState
value InternalState
state = InternalState -> InternalState
modified InternalState
state {
sLocalValues = vmInsert name value $ sLocalValues state
}
insertPrefix :: String -> VariableState -> InternalState -> InternalState
insertPrefix :: String -> VariableState -> InternalState -> InternalState
insertPrefix String
name VariableState
value InternalState
state = InternalState -> InternalState
modified InternalState
state {
sPrefixValues = vmInsert name value $ sPrefixValues state
}
insertFunction :: String -> FunctionValue -> InternalState -> InternalState
insertFunction :: String -> FunctionValue -> InternalState -> InternalState
insertFunction String
name FunctionValue
value InternalState
state = InternalState -> InternalState
modified InternalState
state {
sFunctionTargets = vmInsert name value $ sFunctionTargets state
}
addProperties :: S.Set CFVariableProp -> VariableState -> VariableState
addProperties :: Set CFVariableProp -> VariableState -> VariableState
addProperties Set CFVariableProp
props VariableState
state = VariableState
state {
variableProperties = S.map (S.union props) $ variableProperties state
}
removeProperties :: S.Set CFVariableProp -> VariableState -> VariableState
removeProperties :: Set CFVariableProp -> VariableState -> VariableState
removeProperties Set CFVariableProp
props VariableState
state = VariableState
state {
variableProperties = S.map (\Set CFVariableProp
s -> Set CFVariableProp -> Set CFVariableProp -> Set CFVariableProp
forall a. Ord a => Set a -> Set a -> Set a
S.difference Set CFVariableProp
s Set CFVariableProp
props) $ variableProperties state
}
setExitCode :: Id -> InternalState -> InternalState
setExitCode Id
id = Set Id -> InternalState -> InternalState
setExitCodes (Id -> Set Id
forall a. a -> Set a
S.singleton Id
id)
setExitCodes :: Set Id -> InternalState -> InternalState
setExitCodes Set Id
set InternalState
state = InternalState -> InternalState
modified InternalState
state {
sExitCodes = Just $ set
}
data StateDependency =
DepState Scope String VariableState
| DepProperties Scope String VariableProperties
| DepFunction String (S.Set FunctionDefinition)
| DepIsRecursive Node Bool
| DepExitCodes (S.Set Id)
deriving (Node -> StateDependency -> ShowS
[StateDependency] -> ShowS
StateDependency -> String
(Node -> StateDependency -> ShowS)
-> (StateDependency -> String)
-> ([StateDependency] -> ShowS)
-> Show StateDependency
forall a.
(Node -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Node -> StateDependency -> ShowS
showsPrec :: Node -> StateDependency -> ShowS
$cshow :: StateDependency -> String
show :: StateDependency -> String
$cshowList :: [StateDependency] -> ShowS
showList :: [StateDependency] -> ShowS
Show, StateDependency -> StateDependency -> Bool
(StateDependency -> StateDependency -> Bool)
-> (StateDependency -> StateDependency -> Bool)
-> Eq StateDependency
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: StateDependency -> StateDependency -> Bool
== :: StateDependency -> StateDependency -> Bool
$c/= :: StateDependency -> StateDependency -> Bool
/= :: StateDependency -> StateDependency -> Bool
Eq, Eq StateDependency
Eq StateDependency =>
(StateDependency -> StateDependency -> Ordering)
-> (StateDependency -> StateDependency -> Bool)
-> (StateDependency -> StateDependency -> Bool)
-> (StateDependency -> StateDependency -> Bool)
-> (StateDependency -> StateDependency -> Bool)
-> (StateDependency -> StateDependency -> StateDependency)
-> (StateDependency -> StateDependency -> StateDependency)
-> Ord StateDependency
StateDependency -> StateDependency -> Bool
StateDependency -> StateDependency -> Ordering
StateDependency -> StateDependency -> StateDependency
forall a.
Eq a =>
(a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
$ccompare :: StateDependency -> StateDependency -> Ordering
compare :: StateDependency -> StateDependency -> Ordering
$c< :: StateDependency -> StateDependency -> Bool
< :: StateDependency -> StateDependency -> Bool
$c<= :: StateDependency -> StateDependency -> Bool
<= :: StateDependency -> StateDependency -> Bool
$c> :: StateDependency -> StateDependency -> Bool
> :: StateDependency -> StateDependency -> Bool
$c>= :: StateDependency -> StateDependency -> Bool
>= :: StateDependency -> StateDependency -> Bool
$cmax :: StateDependency -> StateDependency -> StateDependency
max :: StateDependency -> StateDependency -> StateDependency
$cmin :: StateDependency -> StateDependency -> StateDependency
min :: StateDependency -> StateDependency -> StateDependency
Ord, (forall x. StateDependency -> Rep StateDependency x)
-> (forall x. Rep StateDependency x -> StateDependency)
-> Generic StateDependency
forall x. Rep StateDependency x -> StateDependency
forall x. StateDependency -> Rep StateDependency x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cfrom :: forall x. StateDependency -> Rep StateDependency x
from :: forall x. StateDependency -> Rep StateDependency x
$cto :: forall x. Rep StateDependency x -> StateDependency
to :: forall x. Rep StateDependency x -> StateDependency
Generic, StateDependency -> ()
(StateDependency -> ()) -> NFData StateDependency
forall a. (a -> ()) -> NFData a
$crnf :: StateDependency -> ()
rnf :: StateDependency -> ()
NFData)
data FunctionDefinition = FunctionUnknown | FunctionDefinition String Node Node
deriving (Node -> FunctionDefinition -> ShowS
[FunctionDefinition] -> ShowS
FunctionDefinition -> String
(Node -> FunctionDefinition -> ShowS)
-> (FunctionDefinition -> String)
-> ([FunctionDefinition] -> ShowS)
-> Show FunctionDefinition
forall a.
(Node -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Node -> FunctionDefinition -> ShowS
showsPrec :: Node -> FunctionDefinition -> ShowS
$cshow :: FunctionDefinition -> String
show :: FunctionDefinition -> String
$cshowList :: [FunctionDefinition] -> ShowS
showList :: [FunctionDefinition] -> ShowS
Show, FunctionDefinition -> FunctionDefinition -> Bool
(FunctionDefinition -> FunctionDefinition -> Bool)
-> (FunctionDefinition -> FunctionDefinition -> Bool)
-> Eq FunctionDefinition
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: FunctionDefinition -> FunctionDefinition -> Bool
== :: FunctionDefinition -> FunctionDefinition -> Bool
$c/= :: FunctionDefinition -> FunctionDefinition -> Bool
/= :: FunctionDefinition -> FunctionDefinition -> Bool
Eq, Eq FunctionDefinition
Eq FunctionDefinition =>
(FunctionDefinition -> FunctionDefinition -> Ordering)
-> (FunctionDefinition -> FunctionDefinition -> Bool)
-> (FunctionDefinition -> FunctionDefinition -> Bool)
-> (FunctionDefinition -> FunctionDefinition -> Bool)
-> (FunctionDefinition -> FunctionDefinition -> Bool)
-> (FunctionDefinition -> FunctionDefinition -> FunctionDefinition)
-> (FunctionDefinition -> FunctionDefinition -> FunctionDefinition)
-> Ord FunctionDefinition
FunctionDefinition -> FunctionDefinition -> Bool
FunctionDefinition -> FunctionDefinition -> Ordering
FunctionDefinition -> FunctionDefinition -> FunctionDefinition
forall a.
Eq a =>
(a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
$ccompare :: FunctionDefinition -> FunctionDefinition -> Ordering
compare :: FunctionDefinition -> FunctionDefinition -> Ordering
$c< :: FunctionDefinition -> FunctionDefinition -> Bool
< :: FunctionDefinition -> FunctionDefinition -> Bool
$c<= :: FunctionDefinition -> FunctionDefinition -> Bool
<= :: FunctionDefinition -> FunctionDefinition -> Bool
$c> :: FunctionDefinition -> FunctionDefinition -> Bool
> :: FunctionDefinition -> FunctionDefinition -> Bool
$c>= :: FunctionDefinition -> FunctionDefinition -> Bool
>= :: FunctionDefinition -> FunctionDefinition -> Bool
$cmax :: FunctionDefinition -> FunctionDefinition -> FunctionDefinition
max :: FunctionDefinition -> FunctionDefinition -> FunctionDefinition
$cmin :: FunctionDefinition -> FunctionDefinition -> FunctionDefinition
min :: FunctionDefinition -> FunctionDefinition -> FunctionDefinition
Ord, (forall x. FunctionDefinition -> Rep FunctionDefinition x)
-> (forall x. Rep FunctionDefinition x -> FunctionDefinition)
-> Generic FunctionDefinition
forall x. Rep FunctionDefinition x -> FunctionDefinition
forall x. FunctionDefinition -> Rep FunctionDefinition x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cfrom :: forall x. FunctionDefinition -> Rep FunctionDefinition x
from :: forall x. FunctionDefinition -> Rep FunctionDefinition x
$cto :: forall x. Rep FunctionDefinition x -> FunctionDefinition
to :: forall x. Rep FunctionDefinition x -> FunctionDefinition
Generic, FunctionDefinition -> ()
(FunctionDefinition -> ()) -> NFData FunctionDefinition
forall a. (a -> ()) -> NFData a
$crnf :: FunctionDefinition -> ()
rnf :: FunctionDefinition -> ()
NFData)
type FunctionValue = S.Set FunctionDefinition
depsToState :: S.Set StateDependency -> InternalState
depsToState :: Set StateDependency -> InternalState
depsToState Set StateDependency
set = (InternalState -> StateDependency -> InternalState)
-> InternalState -> [StateDependency] -> InternalState
forall b a. (b -> a -> b) -> b -> [a] -> b
forall (t :: * -> *) b a.
Foldable t =>
(b -> a -> b) -> b -> t a -> b
foldl InternalState -> StateDependency -> InternalState
insert InternalState
newInternalState ([StateDependency] -> InternalState)
-> [StateDependency] -> InternalState
forall a b. (a -> b) -> a -> b
$ Set StateDependency -> [StateDependency]
forall a. Set a -> [a]
S.toList Set StateDependency
set
where
insert :: InternalState -> StateDependency -> InternalState
insert :: InternalState -> StateDependency -> InternalState
insert InternalState
state StateDependency
dep =
case StateDependency
dep of
DepFunction String
name FunctionValue
val -> String -> FunctionValue -> InternalState -> InternalState
insertFunction String
name FunctionValue
val InternalState
state
DepState Scope
scope String
name VariableState
val -> Bool
-> Scope
-> String
-> VariableState
-> InternalState
-> InternalState
insertIn Bool
True Scope
scope String
name VariableState
val InternalState
state
DepProperties Scope
scope String
name Set (Set CFVariableProp)
props -> Bool
-> Scope
-> String
-> VariableState
-> InternalState
-> InternalState
insertIn Bool
False Scope
scope String
name VariableState
unknownVariableState { variableProperties = props } InternalState
state
DepIsRecursive Node
_ Bool
_ -> InternalState
state
DepExitCodes Set Id
s -> Set Id -> InternalState -> InternalState
setExitCodes Set Id
s InternalState
state
insertIn :: Bool
-> Scope
-> String
-> VariableState
-> InternalState
-> InternalState
insertIn Bool
overwrite Scope
scope String
name VariableState
val InternalState
state =
let
(InternalState -> VersionedMap String VariableState
mapToCheck, String -> VariableState -> InternalState -> InternalState
inserter) =
case Scope
scope of
Scope
PrefixScope -> (InternalState -> VersionedMap String VariableState
sPrefixValues, String -> VariableState -> InternalState -> InternalState
insertPrefix)
Scope
LocalScope -> (InternalState -> VersionedMap String VariableState
sLocalValues, String -> VariableState -> InternalState -> InternalState
insertLocal)
Scope
GlobalScope -> (InternalState -> VersionedMap String VariableState
sGlobalValues, String -> VariableState -> InternalState -> InternalState
insertGlobal)
alreadyExists :: Bool
alreadyExists = Maybe VariableState -> Bool
forall a. Maybe a -> Bool
isJust (Maybe VariableState -> Bool) -> Maybe VariableState -> Bool
forall a b. (a -> b) -> a -> b
$ String -> VersionedMap String VariableState -> Maybe VariableState
forall {k} {a}. Ord k => k -> VersionedMap k a -> Maybe a
vmLookup String
name (VersionedMap String VariableState -> Maybe VariableState)
-> VersionedMap String VariableState -> Maybe VariableState
forall a b. (a -> b) -> a -> b
$ InternalState -> VersionedMap String VariableState
mapToCheck InternalState
state
in
if Bool
overwrite Bool -> Bool -> Bool
|| Bool -> Bool
not Bool
alreadyExists
then String -> VariableState -> InternalState -> InternalState
inserter String
name VariableState
val InternalState
state
else InternalState
state
unknownFunctionValue :: FunctionValue
unknownFunctionValue = FunctionDefinition -> FunctionValue
forall a. a -> Set a
S.singleton FunctionDefinition
FunctionUnknown
data VariableValue = VariableValue {
VariableValue -> Maybe String
literalValue :: Maybe String,
VariableValue -> SpaceStatus
spaceStatus :: SpaceStatus,
VariableValue -> NumericalStatus
numericalStatus :: NumericalStatus
}
deriving (Node -> VariableValue -> ShowS
[VariableValue] -> ShowS
VariableValue -> String
(Node -> VariableValue -> ShowS)
-> (VariableValue -> String)
-> ([VariableValue] -> ShowS)
-> Show VariableValue
forall a.
(Node -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Node -> VariableValue -> ShowS
showsPrec :: Node -> VariableValue -> ShowS
$cshow :: VariableValue -> String
show :: VariableValue -> String
$cshowList :: [VariableValue] -> ShowS
showList :: [VariableValue] -> ShowS
Show, VariableValue -> VariableValue -> Bool
(VariableValue -> VariableValue -> Bool)
-> (VariableValue -> VariableValue -> Bool) -> Eq VariableValue
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: VariableValue -> VariableValue -> Bool
== :: VariableValue -> VariableValue -> Bool
$c/= :: VariableValue -> VariableValue -> Bool
/= :: VariableValue -> VariableValue -> Bool
Eq, Eq VariableValue
Eq VariableValue =>
(VariableValue -> VariableValue -> Ordering)
-> (VariableValue -> VariableValue -> Bool)
-> (VariableValue -> VariableValue -> Bool)
-> (VariableValue -> VariableValue -> Bool)
-> (VariableValue -> VariableValue -> Bool)
-> (VariableValue -> VariableValue -> VariableValue)
-> (VariableValue -> VariableValue -> VariableValue)
-> Ord VariableValue
VariableValue -> VariableValue -> Bool
VariableValue -> VariableValue -> Ordering
VariableValue -> VariableValue -> VariableValue
forall a.
Eq a =>
(a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
$ccompare :: VariableValue -> VariableValue -> Ordering
compare :: VariableValue -> VariableValue -> Ordering
$c< :: VariableValue -> VariableValue -> Bool
< :: VariableValue -> VariableValue -> Bool
$c<= :: VariableValue -> VariableValue -> Bool
<= :: VariableValue -> VariableValue -> Bool
$c> :: VariableValue -> VariableValue -> Bool
> :: VariableValue -> VariableValue -> Bool
$c>= :: VariableValue -> VariableValue -> Bool
>= :: VariableValue -> VariableValue -> Bool
$cmax :: VariableValue -> VariableValue -> VariableValue
max :: VariableValue -> VariableValue -> VariableValue
$cmin :: VariableValue -> VariableValue -> VariableValue
min :: VariableValue -> VariableValue -> VariableValue
Ord, (forall x. VariableValue -> Rep VariableValue x)
-> (forall x. Rep VariableValue x -> VariableValue)
-> Generic VariableValue
forall x. Rep VariableValue x -> VariableValue
forall x. VariableValue -> Rep VariableValue x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cfrom :: forall x. VariableValue -> Rep VariableValue x
from :: forall x. VariableValue -> Rep VariableValue x
$cto :: forall x. Rep VariableValue x -> VariableValue
to :: forall x. Rep VariableValue x -> VariableValue
Generic, VariableValue -> ()
(VariableValue -> ()) -> NFData VariableValue
forall a. (a -> ()) -> NFData a
$crnf :: VariableValue -> ()
rnf :: VariableValue -> ()
NFData)
data VariableState = VariableState {
VariableState -> VariableValue
variableValue :: VariableValue,
VariableState -> Set (Set CFVariableProp)
variableProperties :: VariableProperties
}
deriving (Node -> VariableState -> ShowS
[VariableState] -> ShowS
VariableState -> String
(Node -> VariableState -> ShowS)
-> (VariableState -> String)
-> ([VariableState] -> ShowS)
-> Show VariableState
forall a.
(Node -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Node -> VariableState -> ShowS
showsPrec :: Node -> VariableState -> ShowS
$cshow :: VariableState -> String
show :: VariableState -> String
$cshowList :: [VariableState] -> ShowS
showList :: [VariableState] -> ShowS
Show, VariableState -> VariableState -> Bool
(VariableState -> VariableState -> Bool)
-> (VariableState -> VariableState -> Bool) -> Eq VariableState
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: VariableState -> VariableState -> Bool
== :: VariableState -> VariableState -> Bool
$c/= :: VariableState -> VariableState -> Bool
/= :: VariableState -> VariableState -> Bool
Eq, Eq VariableState
Eq VariableState =>
(VariableState -> VariableState -> Ordering)
-> (VariableState -> VariableState -> Bool)
-> (VariableState -> VariableState -> Bool)
-> (VariableState -> VariableState -> Bool)
-> (VariableState -> VariableState -> Bool)
-> (VariableState -> VariableState -> VariableState)
-> (VariableState -> VariableState -> VariableState)
-> Ord VariableState
VariableState -> VariableState -> Bool
VariableState -> VariableState -> Ordering
VariableState -> VariableState -> VariableState
forall a.
Eq a =>
(a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
$ccompare :: VariableState -> VariableState -> Ordering
compare :: VariableState -> VariableState -> Ordering
$c< :: VariableState -> VariableState -> Bool
< :: VariableState -> VariableState -> Bool
$c<= :: VariableState -> VariableState -> Bool
<= :: VariableState -> VariableState -> Bool
$c> :: VariableState -> VariableState -> Bool
> :: VariableState -> VariableState -> Bool
$c>= :: VariableState -> VariableState -> Bool
>= :: VariableState -> VariableState -> Bool
$cmax :: VariableState -> VariableState -> VariableState
max :: VariableState -> VariableState -> VariableState
$cmin :: VariableState -> VariableState -> VariableState
min :: VariableState -> VariableState -> VariableState
Ord, (forall x. VariableState -> Rep VariableState x)
-> (forall x. Rep VariableState x -> VariableState)
-> Generic VariableState
forall x. Rep VariableState x -> VariableState
forall x. VariableState -> Rep VariableState x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cfrom :: forall x. VariableState -> Rep VariableState x
from :: forall x. VariableState -> Rep VariableState x
$cto :: forall x. Rep VariableState x -> VariableState
to :: forall x. Rep VariableState x -> VariableState
Generic, VariableState -> ()
(VariableState -> ()) -> NFData VariableState
forall a. (a -> ()) -> NFData a
$crnf :: VariableState -> ()
rnf :: VariableState -> ()
NFData)
data SpaceStatus = SpaceStatusEmpty | SpaceStatusClean | SpaceStatusDirty deriving (Node -> SpaceStatus -> ShowS
[SpaceStatus] -> ShowS
SpaceStatus -> String
(Node -> SpaceStatus -> ShowS)
-> (SpaceStatus -> String)
-> ([SpaceStatus] -> ShowS)
-> Show SpaceStatus
forall a.
(Node -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Node -> SpaceStatus -> ShowS
showsPrec :: Node -> SpaceStatus -> ShowS
$cshow :: SpaceStatus -> String
show :: SpaceStatus -> String
$cshowList :: [SpaceStatus] -> ShowS
showList :: [SpaceStatus] -> ShowS
Show, SpaceStatus -> SpaceStatus -> Bool
(SpaceStatus -> SpaceStatus -> Bool)
-> (SpaceStatus -> SpaceStatus -> Bool) -> Eq SpaceStatus
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: SpaceStatus -> SpaceStatus -> Bool
== :: SpaceStatus -> SpaceStatus -> Bool
$c/= :: SpaceStatus -> SpaceStatus -> Bool
/= :: SpaceStatus -> SpaceStatus -> Bool
Eq, Eq SpaceStatus
Eq SpaceStatus =>
(SpaceStatus -> SpaceStatus -> Ordering)
-> (SpaceStatus -> SpaceStatus -> Bool)
-> (SpaceStatus -> SpaceStatus -> Bool)
-> (SpaceStatus -> SpaceStatus -> Bool)
-> (SpaceStatus -> SpaceStatus -> Bool)
-> (SpaceStatus -> SpaceStatus -> SpaceStatus)
-> (SpaceStatus -> SpaceStatus -> SpaceStatus)
-> Ord SpaceStatus
SpaceStatus -> SpaceStatus -> Bool
SpaceStatus -> SpaceStatus -> Ordering
SpaceStatus -> SpaceStatus -> SpaceStatus
forall a.
Eq a =>
(a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
$ccompare :: SpaceStatus -> SpaceStatus -> Ordering
compare :: SpaceStatus -> SpaceStatus -> Ordering
$c< :: SpaceStatus -> SpaceStatus -> Bool
< :: SpaceStatus -> SpaceStatus -> Bool
$c<= :: SpaceStatus -> SpaceStatus -> Bool
<= :: SpaceStatus -> SpaceStatus -> Bool
$c> :: SpaceStatus -> SpaceStatus -> Bool
> :: SpaceStatus -> SpaceStatus -> Bool
$c>= :: SpaceStatus -> SpaceStatus -> Bool
>= :: SpaceStatus -> SpaceStatus -> Bool
$cmax :: SpaceStatus -> SpaceStatus -> SpaceStatus
max :: SpaceStatus -> SpaceStatus -> SpaceStatus
$cmin :: SpaceStatus -> SpaceStatus -> SpaceStatus
min :: SpaceStatus -> SpaceStatus -> SpaceStatus
Ord, (forall x. SpaceStatus -> Rep SpaceStatus x)
-> (forall x. Rep SpaceStatus x -> SpaceStatus)
-> Generic SpaceStatus
forall x. Rep SpaceStatus x -> SpaceStatus
forall x. SpaceStatus -> Rep SpaceStatus x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cfrom :: forall x. SpaceStatus -> Rep SpaceStatus x
from :: forall x. SpaceStatus -> Rep SpaceStatus x
$cto :: forall x. Rep SpaceStatus x -> SpaceStatus
to :: forall x. Rep SpaceStatus x -> SpaceStatus
Generic, SpaceStatus -> ()
(SpaceStatus -> ()) -> NFData SpaceStatus
forall a. (a -> ()) -> NFData a
$crnf :: SpaceStatus -> ()
rnf :: SpaceStatus -> ()
NFData)
data NumericalStatus = NumericalStatusUnknown | NumericalStatusEmpty | NumericalStatusMaybe | NumericalStatusDefinitely deriving (Node -> NumericalStatus -> ShowS
[NumericalStatus] -> ShowS
NumericalStatus -> String
(Node -> NumericalStatus -> ShowS)
-> (NumericalStatus -> String)
-> ([NumericalStatus] -> ShowS)
-> Show NumericalStatus
forall a.
(Node -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Node -> NumericalStatus -> ShowS
showsPrec :: Node -> NumericalStatus -> ShowS
$cshow :: NumericalStatus -> String
show :: NumericalStatus -> String
$cshowList :: [NumericalStatus] -> ShowS
showList :: [NumericalStatus] -> ShowS
Show, NumericalStatus -> NumericalStatus -> Bool
(NumericalStatus -> NumericalStatus -> Bool)
-> (NumericalStatus -> NumericalStatus -> Bool)
-> Eq NumericalStatus
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: NumericalStatus -> NumericalStatus -> Bool
== :: NumericalStatus -> NumericalStatus -> Bool
$c/= :: NumericalStatus -> NumericalStatus -> Bool
/= :: NumericalStatus -> NumericalStatus -> Bool
Eq, Eq NumericalStatus
Eq NumericalStatus =>
(NumericalStatus -> NumericalStatus -> Ordering)
-> (NumericalStatus -> NumericalStatus -> Bool)
-> (NumericalStatus -> NumericalStatus -> Bool)
-> (NumericalStatus -> NumericalStatus -> Bool)
-> (NumericalStatus -> NumericalStatus -> Bool)
-> (NumericalStatus -> NumericalStatus -> NumericalStatus)
-> (NumericalStatus -> NumericalStatus -> NumericalStatus)
-> Ord NumericalStatus
NumericalStatus -> NumericalStatus -> Bool
NumericalStatus -> NumericalStatus -> Ordering
NumericalStatus -> NumericalStatus -> NumericalStatus
forall a.
Eq a =>
(a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
$ccompare :: NumericalStatus -> NumericalStatus -> Ordering
compare :: NumericalStatus -> NumericalStatus -> Ordering
$c< :: NumericalStatus -> NumericalStatus -> Bool
< :: NumericalStatus -> NumericalStatus -> Bool
$c<= :: NumericalStatus -> NumericalStatus -> Bool
<= :: NumericalStatus -> NumericalStatus -> Bool
$c> :: NumericalStatus -> NumericalStatus -> Bool
> :: NumericalStatus -> NumericalStatus -> Bool
$c>= :: NumericalStatus -> NumericalStatus -> Bool
>= :: NumericalStatus -> NumericalStatus -> Bool
$cmax :: NumericalStatus -> NumericalStatus -> NumericalStatus
max :: NumericalStatus -> NumericalStatus -> NumericalStatus
$cmin :: NumericalStatus -> NumericalStatus -> NumericalStatus
min :: NumericalStatus -> NumericalStatus -> NumericalStatus
Ord, (forall x. NumericalStatus -> Rep NumericalStatus x)
-> (forall x. Rep NumericalStatus x -> NumericalStatus)
-> Generic NumericalStatus
forall x. Rep NumericalStatus x -> NumericalStatus
forall x. NumericalStatus -> Rep NumericalStatus x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cfrom :: forall x. NumericalStatus -> Rep NumericalStatus x
from :: forall x. NumericalStatus -> Rep NumericalStatus x
$cto :: forall x. Rep NumericalStatus x -> NumericalStatus
to :: forall x. Rep NumericalStatus x -> NumericalStatus
Generic, NumericalStatus -> ()
(NumericalStatus -> ()) -> NFData NumericalStatus
forall a. (a -> ()) -> NFData a
$crnf :: NumericalStatus -> ()
rnf :: NumericalStatus -> ()
NFData)
type VariableProperties = S.Set (S.Set CFVariableProp)
defaultProperties :: Set (Set a)
defaultProperties = Set a -> Set (Set a)
forall a. a -> Set a
S.singleton Set a
forall a. Set a
S.empty
unknownVariableState :: VariableState
unknownVariableState = VariableState {
variableValue :: VariableValue
variableValue = VariableValue
unknownVariableValue,
variableProperties :: Set (Set CFVariableProp)
variableProperties = Set (Set CFVariableProp)
forall {a}. Set (Set a)
defaultProperties
}
unknownVariableValue :: VariableValue
unknownVariableValue = VariableValue {
literalValue :: Maybe String
literalValue = Maybe String
forall a. Maybe a
Nothing,
spaceStatus :: SpaceStatus
spaceStatus = SpaceStatus
SpaceStatusDirty,
numericalStatus :: NumericalStatus
numericalStatus = NumericalStatus
NumericalStatusUnknown
}
emptyVariableValue :: VariableValue
emptyVariableValue = VariableValue
unknownVariableValue {
literalValue = Just "",
spaceStatus = SpaceStatusEmpty,
numericalStatus = NumericalStatusEmpty
}
unsetVariableState :: VariableState
unsetVariableState = VariableState {
variableValue :: VariableValue
variableValue = VariableValue
emptyVariableValue,
variableProperties :: Set (Set CFVariableProp)
variableProperties = Set (Set CFVariableProp)
forall {a}. Set (Set a)
defaultProperties
}
mergeVariableState :: VariableState -> VariableState -> VariableState
mergeVariableState VariableState
a VariableState
b = VariableState {
variableValue :: VariableValue
variableValue = VariableValue -> VariableValue -> VariableValue
mergeVariableValue (VariableState -> VariableValue
variableValue VariableState
a) (VariableState -> VariableValue
variableValue VariableState
b),
variableProperties :: Set (Set CFVariableProp)
variableProperties = Set (Set CFVariableProp)
-> Set (Set CFVariableProp) -> Set (Set CFVariableProp)
forall a. Ord a => Set a -> Set a -> Set a
S.union (VariableState -> Set (Set CFVariableProp)
variableProperties VariableState
a) (VariableState -> Set (Set CFVariableProp)
variableProperties VariableState
b)
}
mergeVariableValue :: VariableValue -> VariableValue -> VariableValue
mergeVariableValue VariableValue
a VariableValue
b = VariableValue {
literalValue :: Maybe String
literalValue = if VariableValue -> Maybe String
literalValue VariableValue
a Maybe String -> Maybe String -> Bool
forall a. Eq a => a -> a -> Bool
== VariableValue -> Maybe String
literalValue VariableValue
b then VariableValue -> Maybe String
literalValue VariableValue
a else Maybe String
forall a. Maybe a
Nothing,
spaceStatus :: SpaceStatus
spaceStatus = SpaceStatus -> SpaceStatus -> SpaceStatus
mergeSpaceStatus (VariableValue -> SpaceStatus
spaceStatus VariableValue
a) (VariableValue -> SpaceStatus
spaceStatus VariableValue
b),
numericalStatus :: NumericalStatus
numericalStatus = NumericalStatus -> NumericalStatus -> NumericalStatus
mergeNumericalStatus (VariableValue -> NumericalStatus
numericalStatus VariableValue
a) (VariableValue -> NumericalStatus
numericalStatus VariableValue
b)
}
mergeSpaceStatus :: SpaceStatus -> SpaceStatus -> SpaceStatus
mergeSpaceStatus SpaceStatus
a SpaceStatus
b =
case (SpaceStatus
a,SpaceStatus
b) of
(SpaceStatus
SpaceStatusEmpty, SpaceStatus
y) -> SpaceStatus
y
(SpaceStatus
x, SpaceStatus
SpaceStatusEmpty) -> SpaceStatus
x
(SpaceStatus
SpaceStatusClean, SpaceStatus
SpaceStatusClean) -> SpaceStatus
SpaceStatusClean
(SpaceStatus, SpaceStatus)
_ -> SpaceStatus
SpaceStatusDirty
mergeNumericalStatus :: NumericalStatus -> NumericalStatus -> NumericalStatus
mergeNumericalStatus NumericalStatus
a NumericalStatus
b =
case (NumericalStatus
a,NumericalStatus
b) of
(NumericalStatus
NumericalStatusDefinitely, NumericalStatus
NumericalStatusDefinitely) -> NumericalStatus
NumericalStatusDefinitely
(NumericalStatus
NumericalStatusDefinitely, NumericalStatus
_) -> NumericalStatus
NumericalStatusMaybe
(NumericalStatus
_, NumericalStatus
NumericalStatusDefinitely) -> NumericalStatus
NumericalStatusMaybe
(NumericalStatus
NumericalStatusMaybe, NumericalStatus
_) -> NumericalStatus
NumericalStatusMaybe
(NumericalStatus
_, NumericalStatus
NumericalStatusMaybe) -> NumericalStatus
NumericalStatusMaybe
(NumericalStatus
NumericalStatusEmpty, NumericalStatus
NumericalStatusEmpty) -> NumericalStatus
NumericalStatusEmpty
(NumericalStatus, NumericalStatus)
_ -> NumericalStatus
NumericalStatusUnknown
data VersionedMap k v = VersionedMap {
forall k v. VersionedMap k v -> Integer
mapVersion :: Integer,
forall k v. VersionedMap k v -> Map k v
mapStorage :: M.Map k v
}
deriving ((forall x. VersionedMap k v -> Rep (VersionedMap k v) x)
-> (forall x. Rep (VersionedMap k v) x -> VersionedMap k v)
-> Generic (VersionedMap k v)
forall x. Rep (VersionedMap k v) x -> VersionedMap k v
forall x. VersionedMap k v -> Rep (VersionedMap k v) x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
forall k v x. Rep (VersionedMap k v) x -> VersionedMap k v
forall k v x. VersionedMap k v -> Rep (VersionedMap k v) x
$cfrom :: forall k v x. VersionedMap k v -> Rep (VersionedMap k v) x
from :: forall x. VersionedMap k v -> Rep (VersionedMap k v) x
$cto :: forall k v x. Rep (VersionedMap k v) x -> VersionedMap k v
to :: forall x. Rep (VersionedMap k v) x -> VersionedMap k v
Generic, VersionedMap k v -> ()
(VersionedMap k v -> ()) -> NFData (VersionedMap k v)
forall a. (a -> ()) -> NFData a
forall k v. (NFData k, NFData v) => VersionedMap k v -> ()
$crnf :: forall k v. (NFData k, NFData v) => VersionedMap k v -> ()
rnf :: VersionedMap k v -> ()
NFData)
instance (Show k, Show v) => Show (VersionedMap k v) where
show :: VersionedMap k v -> String
show VersionedMap k v
m = (if VersionedMap k v -> Integer
forall k v. VersionedMap k v -> Integer
mapVersion VersionedMap k v
m Integer -> Integer -> Bool
forall a. Ord a => a -> a -> Bool
>= Integer
0 then String
"V" String -> ShowS
forall a. [a] -> [a] -> [a]
++ Integer -> String
forall a. Show a => a -> String
show (VersionedMap k v -> Integer
forall k v. VersionedMap k v -> Integer
mapVersion VersionedMap k v
m) else String
"U") String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Map k v -> String
forall a. Show a => a -> String
show (VersionedMap k v -> Map k v
forall k v. VersionedMap k v -> Map k v
mapStorage VersionedMap k v
m)
instance Eq InternalState where
== :: InternalState -> InternalState -> Bool
(==) InternalState
a InternalState
b = InternalState -> InternalState -> Bool
stateIsQuickEqual InternalState
a InternalState
b Bool -> Bool -> Bool
|| InternalState -> InternalState -> Bool
stateIsSlowEqual InternalState
a InternalState
b
instance (Eq k, Eq v) => Eq (VersionedMap k v) where
== :: VersionedMap k v -> VersionedMap k v -> Bool
(==) VersionedMap k v
a VersionedMap k v
b = VersionedMap k v -> VersionedMap k v -> Bool
forall k v. VersionedMap k v -> VersionedMap k v -> Bool
vmIsQuickEqual VersionedMap k v
a VersionedMap k v
b Bool -> Bool -> Bool
|| VersionedMap k v -> Map k v
forall k v. VersionedMap k v -> Map k v
mapStorage VersionedMap k v
a Map k v -> Map k v -> Bool
forall a. Eq a => a -> a -> Bool
== VersionedMap k v -> Map k v
forall k v. VersionedMap k v -> Map k v
mapStorage VersionedMap k v
b
instance (Ord k, Ord v) => Ord (VersionedMap k v) where
compare :: VersionedMap k v -> VersionedMap k v -> Ordering
compare VersionedMap k v
a VersionedMap k v
b =
if VersionedMap k v -> VersionedMap k v -> Bool
forall k v. VersionedMap k v -> VersionedMap k v -> Bool
vmIsQuickEqual VersionedMap k v
a VersionedMap k v
b
then Ordering
EQ
else VersionedMap k v -> Map k v
forall k v. VersionedMap k v -> Map k v
mapStorage VersionedMap k v
a Map k v -> Map k v -> Ordering
forall a. Ord a => a -> a -> Ordering
`compare` VersionedMap k v -> Map k v
forall k v. VersionedMap k v -> Map k v
mapStorage VersionedMap k v
b
data Ctx s = Ctx {
forall s. Ctx s -> STRef s Node
cNode :: STRef s Node,
forall s. Ctx s -> STRef s InternalState
cInput :: STRef s InternalState,
forall s. Ctx s -> STRef s InternalState
cOutput :: STRef s InternalState,
forall s. Ctx s -> [StackEntry s]
cStack :: [StackEntry s],
forall s. Ctx s -> CFGraph
cGraph :: CFGraph,
forall s. Ctx s -> STRef s Integer
cCounter :: STRef s Integer,
forall s.
Ctx s -> STRef s (Map Node [(Set StateDependency, InternalState)])
cCache :: STRef s (M.Map Node [(S.Set StateDependency, InternalState)]),
forall s. Ctx s -> STRef s Bool
cEnableCache :: STRef s Bool,
forall s.
Ctx s
-> STRef
s
(Map
[Node]
(Set StateDependency, Map Node (InternalState, InternalState)))
cInvocations :: STRef s (M.Map [Node] (S.Set StateDependency, M.Map Node (InternalState, InternalState)))
}
data StackEntry s = StackEntry {
forall s. StackEntry s -> Node
entryPoint :: Node,
forall s. StackEntry s -> Bool
isFunctionCall :: Bool,
forall s. StackEntry s -> Node
callSite :: Node,
forall s. StackEntry s -> STRef s (Set StateDependency)
dependencies :: STRef s (S.Set StateDependency),
forall s. StackEntry s -> InternalState
stackState :: InternalState
}
deriving (StackEntry s -> StackEntry s -> Bool
(StackEntry s -> StackEntry s -> Bool)
-> (StackEntry s -> StackEntry s -> Bool) -> Eq (StackEntry s)
forall s. StackEntry s -> StackEntry s -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: forall s. StackEntry s -> StackEntry s -> Bool
== :: StackEntry s -> StackEntry s -> Bool
$c/= :: forall s. StackEntry s -> StackEntry s -> Bool
/= :: StackEntry s -> StackEntry s -> Bool
Eq, (forall x. StackEntry s -> Rep (StackEntry s) x)
-> (forall x. Rep (StackEntry s) x -> StackEntry s)
-> Generic (StackEntry s)
forall x. Rep (StackEntry s) x -> StackEntry s
forall x. StackEntry s -> Rep (StackEntry s) x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
forall s x. Rep (StackEntry s) x -> StackEntry s
forall s x. StackEntry s -> Rep (StackEntry s) x
$cfrom :: forall s x. StackEntry s -> Rep (StackEntry s) x
from :: forall x. StackEntry s -> Rep (StackEntry s) x
$cto :: forall s x. Rep (StackEntry s) x -> StackEntry s
to :: forall x. Rep (StackEntry s) x -> StackEntry s
Generic, StackEntry s -> ()
(StackEntry s -> ()) -> NFData (StackEntry s)
forall s. StackEntry s -> ()
forall a. (a -> ()) -> NFData a
$crnf :: forall s. StackEntry s -> ()
rnf :: StackEntry s -> ()
NFData)
#if MIN_VERSION_deepseq(1,4,2)
#else
instance NFData (STRef s a) where
rnf = (`seq` ())
#endif
patchState :: InternalState -> InternalState -> InternalState
patchState :: InternalState -> InternalState -> InternalState
patchState InternalState
base InternalState
diff =
case () of
()
_ | InternalState -> Integer
sVersion InternalState
diff Integer -> Integer -> Bool
forall a. Eq a => a -> a -> Bool
== Integer
0 -> InternalState
base
()
_ | InternalState -> Integer
sVersion InternalState
base Integer -> Integer -> Bool
forall a. Eq a => a -> a -> Bool
== Integer
0 -> InternalState
diff
()
_ | InternalState -> InternalState -> Bool
stateIsQuickEqual InternalState
base InternalState
diff -> InternalState
diff
()
_ ->
InternalState {
sVersion :: Integer
sVersion = -Integer
1,
sGlobalValues :: VersionedMap String VariableState
sGlobalValues = VersionedMap String VariableState
-> VersionedMap String VariableState
-> VersionedMap String VariableState
forall k v.
Ord k =>
VersionedMap k v -> VersionedMap k v -> VersionedMap k v
vmPatch (InternalState -> VersionedMap String VariableState
sGlobalValues InternalState
base) (InternalState -> VersionedMap String VariableState
sGlobalValues InternalState
diff),
sLocalValues :: VersionedMap String VariableState
sLocalValues = VersionedMap String VariableState
-> VersionedMap String VariableState
-> VersionedMap String VariableState
forall k v.
Ord k =>
VersionedMap k v -> VersionedMap k v -> VersionedMap k v
vmPatch (InternalState -> VersionedMap String VariableState
sLocalValues InternalState
base) (InternalState -> VersionedMap String VariableState
sLocalValues InternalState
diff),
sPrefixValues :: VersionedMap String VariableState
sPrefixValues = VersionedMap String VariableState
-> VersionedMap String VariableState
-> VersionedMap String VariableState
forall k v.
Ord k =>
VersionedMap k v -> VersionedMap k v -> VersionedMap k v
vmPatch (InternalState -> VersionedMap String VariableState
sPrefixValues InternalState
base) (InternalState -> VersionedMap String VariableState
sPrefixValues InternalState
diff),
sFunctionTargets :: VersionedMap String FunctionValue
sFunctionTargets = VersionedMap String FunctionValue
-> VersionedMap String FunctionValue
-> VersionedMap String FunctionValue
forall k v.
Ord k =>
VersionedMap k v -> VersionedMap k v -> VersionedMap k v
vmPatch (InternalState -> VersionedMap String FunctionValue
sFunctionTargets InternalState
base) (InternalState -> VersionedMap String FunctionValue
sFunctionTargets InternalState
diff),
sExitCodes :: Maybe (Set Id)
sExitCodes = InternalState -> Maybe (Set Id)
sExitCodes InternalState
diff Maybe (Set Id) -> Maybe (Set Id) -> Maybe (Set Id)
forall a. Maybe a -> Maybe a -> Maybe a
forall (m :: * -> *) a. MonadPlus m => m a -> m a -> m a
`mplus` InternalState -> Maybe (Set Id)
sExitCodes InternalState
base,
sIsReachable :: Maybe Bool
sIsReachable = InternalState -> Maybe Bool
sIsReachable InternalState
diff Maybe Bool -> Maybe Bool -> Maybe Bool
forall a. Maybe a -> Maybe a -> Maybe a
forall (m :: * -> *) a. MonadPlus m => m a -> m a -> m a
`mplus` InternalState -> Maybe Bool
sIsReachable InternalState
base
}
patchOutputM :: Ctx s -> InternalState -> ST s ()
patchOutputM Ctx s
ctx InternalState
diff = do
let cOut :: STRef s InternalState
cOut = Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cOutput Ctx s
ctx
oldState <- STRef s InternalState -> ST s InternalState
forall s a. STRef s a -> ST s a
readSTRef STRef s InternalState
cOut
let newState = InternalState -> InternalState -> InternalState
patchState InternalState
oldState InternalState
diff
writeSTRef cOut newState
mergeState :: forall s. Ctx s -> InternalState -> InternalState -> ST s InternalState
mergeState :: forall s.
Ctx s -> InternalState -> InternalState -> ST s InternalState
mergeState Ctx s
ctx InternalState
a InternalState
b = do
let cin :: STRef s InternalState
cin = Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cInput Ctx s
ctx
old <- STRef s InternalState -> ST s InternalState
forall s a. STRef s a -> ST s a
readSTRef STRef s InternalState
cin
writeSTRef cin newInternalState
x <- merge a b
writeSTRef cin old
return x
where
merge :: InternalState -> InternalState -> ST s InternalState
merge InternalState
a InternalState
b =
case () of
()
_ | InternalState -> Maybe Bool
sIsReachable InternalState
a Maybe Bool -> Maybe Bool -> Bool
forall a. Eq a => a -> a -> Bool
== Bool -> Maybe Bool
forall a. a -> Maybe a
Just Bool
True Bool -> Bool -> Bool
&& InternalState -> Maybe Bool
sIsReachable InternalState
b Maybe Bool -> Maybe Bool -> Bool
forall a. Eq a => a -> a -> Bool
== Bool -> Maybe Bool
forall a. a -> Maybe a
Just Bool
False
Bool -> Bool -> Bool
|| InternalState -> Maybe Bool
sIsReachable InternalState
a Maybe Bool -> Maybe Bool -> Bool
forall a. Eq a => a -> a -> Bool
== Bool -> Maybe Bool
forall a. a -> Maybe a
Just Bool
False Bool -> Bool -> Bool
&& InternalState -> Maybe Bool
sIsReachable InternalState
b Maybe Bool -> Maybe Bool -> Bool
forall a. Eq a => a -> a -> Bool
== Bool -> Maybe Bool
forall a. a -> Maybe a
Just Bool
True ->
String -> ST s InternalState
forall a. HasCallStack => String -> a
error (String -> ST s InternalState) -> String -> ST s InternalState
forall a b. (a -> b) -> a -> b
$ ShowS
pleaseReport String
"Unexpected merge of reachable and unreachable state"
()
_ | InternalState -> Maybe Bool
sIsReachable InternalState
a Maybe Bool -> Maybe Bool -> Bool
forall a. Eq a => a -> a -> Bool
== Bool -> Maybe Bool
forall a. a -> Maybe a
Just Bool
False Bool -> Bool -> Bool
&& InternalState -> Maybe Bool
sIsReachable InternalState
b Maybe Bool -> Maybe Bool -> Bool
forall a. Eq a => a -> a -> Bool
== Bool -> Maybe Bool
forall a. a -> Maybe a
Just Bool
False ->
InternalState -> ST s InternalState
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return InternalState
unreachableState
()
_ | InternalState -> Integer
sVersion InternalState
a Integer -> Integer -> Bool
forall a. Ord a => a -> a -> Bool
>= Integer
0 Bool -> Bool -> Bool
&& InternalState -> Integer
sVersion InternalState
b Integer -> Integer -> Bool
forall a. Ord a => a -> a -> Bool
>= Integer
0 Bool -> Bool -> Bool
&& InternalState -> Integer
sVersion InternalState
a Integer -> Integer -> Bool
forall a. Eq a => a -> a -> Bool
== InternalState -> Integer
sVersion InternalState
b -> InternalState -> ST s InternalState
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return InternalState
a
()
_ -> do
globals <- Ctx s
-> (VariableState -> VariableState -> VariableState)
-> (Ctx s -> String -> ST s VariableState)
-> VersionedMap String VariableState
-> VersionedMap String VariableState
-> ST s (VersionedMap String VariableState)
forall s.
Ctx s
-> (VariableState -> VariableState -> VariableState)
-> (Ctx s -> String -> ST s VariableState)
-> VersionedMap String VariableState
-> VersionedMap String VariableState
-> ST s (VersionedMap String VariableState)
forall k v s.
Ord k =>
Ctx s
-> (v -> v -> v)
-> (Ctx s -> k -> ST s v)
-> VersionedMap k v
-> VersionedMap k v
-> ST s (VersionedMap k v)
mergeMaps Ctx s
ctx VariableState -> VariableState -> VariableState
mergeVariableState Ctx s -> String -> ST s VariableState
forall {s}. Ctx s -> String -> ST s VariableState
readGlobal (InternalState -> VersionedMap String VariableState
sGlobalValues InternalState
a) (InternalState -> VersionedMap String VariableState
sGlobalValues InternalState
b)
locals <- mergeMaps ctx mergeVariableState readVariable (sLocalValues a) (sLocalValues b)
prefix <- mergeMaps ctx mergeVariableState readVariable (sPrefixValues a) (sPrefixValues b)
funcs <- mergeMaps ctx S.union readFunction (sFunctionTargets a) (sFunctionTargets b)
exitCodes <- mergeMaybes ctx S.union readExitCodes (sExitCodes a) (sExitCodes b)
return $ InternalState {
sVersion = -1,
sGlobalValues = globals,
sLocalValues = locals,
sPrefixValues = prefix,
sFunctionTargets = funcs,
sExitCodes = exitCodes,
sIsReachable = liftM2 (&&) (sIsReachable a) (sIsReachable b)
}
mergeStates :: forall s. Ctx s -> InternalState -> [InternalState] -> ST s InternalState
mergeStates :: forall s.
Ctx s -> InternalState -> [InternalState] -> ST s InternalState
mergeStates Ctx s
ctx InternalState
def [InternalState]
list =
case [InternalState]
list of
[] -> InternalState -> ST s InternalState
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return InternalState
def
(InternalState
first:[InternalState]
rest) -> (InternalState -> InternalState -> ST s InternalState)
-> InternalState -> [InternalState] -> ST s InternalState
forall (t :: * -> *) (m :: * -> *) b a.
(Foldable t, Monad m) =>
(b -> a -> m b) -> b -> t a -> m b
foldM (Ctx s -> InternalState -> InternalState -> ST s InternalState
forall s.
Ctx s -> InternalState -> InternalState -> ST s InternalState
mergeState Ctx s
ctx) InternalState
first [InternalState]
rest
mergeMaps :: (Ord k) => forall s.
Ctx s ->
(v -> v -> v) ->
(Ctx s -> k -> ST s v) ->
(VersionedMap k v) ->
(VersionedMap k v) ->
ST s (VersionedMap k v)
mergeMaps :: forall k v s.
Ord k =>
Ctx s
-> (v -> v -> v)
-> (Ctx s -> k -> ST s v)
-> VersionedMap k v
-> VersionedMap k v
-> ST s (VersionedMap k v)
mergeMaps Ctx s
ctx v -> v -> v
merger Ctx s -> k -> ST s v
reader VersionedMap k v
a VersionedMap k v
b =
if VersionedMap k v -> VersionedMap k v -> Bool
forall k v. VersionedMap k v -> VersionedMap k v -> Bool
vmIsQuickEqual VersionedMap k v
a VersionedMap k v
b
then VersionedMap k v -> ST s (VersionedMap k v)
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return VersionedMap k v
a
else do
new <- [(k, v)] -> Map k v
forall k a. [(k, a)] -> Map k a
M.fromDistinctAscList ([(k, v)] -> Map k v)
-> ([(k, v)] -> [(k, v)]) -> [(k, v)] -> Map k v
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> [(k, v)] -> [(k, v)]
forall a. [a] -> [a]
reverse ([(k, v)] -> Map k v) -> ST s [(k, v)] -> ST s (Map k v)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> [(k, v)] -> [(k, v)] -> [(k, v)] -> ST s [(k, v)]
f [] (Map k v -> [(k, v)]
forall k a. Map k a -> [(k, a)]
M.toAscList (Map k v -> [(k, v)]) -> Map k v -> [(k, v)]
forall a b. (a -> b) -> a -> b
$ VersionedMap k v -> Map k v
forall k v. VersionedMap k v -> Map k v
mapStorage VersionedMap k v
a) (Map k v -> [(k, v)]
forall k a. Map k a -> [(k, a)]
M.toAscList (Map k v -> [(k, v)]) -> Map k v -> [(k, v)]
forall a b. (a -> b) -> a -> b
$ VersionedMap k v -> Map k v
forall k v. VersionedMap k v -> Map k v
mapStorage VersionedMap k v
b)
vmFromMap ctx new
where
f :: [(k, v)] -> [(k, v)] -> [(k, v)] -> ST s [(k, v)]
f [(k, v)]
l [] [] = [(k, v)] -> ST s [(k, v)]
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return [(k, v)]
l
f [(k, v)]
l [] [(k, v)]
b = [(k, v)] -> [(k, v)] -> [(k, v)] -> ST s [(k, v)]
f [(k, v)]
l [(k, v)]
b []
f [(k, v)]
l ((k
k,v
v):[(k, v)]
rest1) [] = do
other <- Ctx s -> k -> ST s v
reader Ctx s
ctx k
k
f ((k, merger v other):l) rest1 []
f [(k, v)]
l l1 :: [(k, v)]
l1@((k
k1, v
v1):[(k, v)]
rest1) l2 :: [(k, v)]
l2@((k
k2, v
v2):[(k, v)]
rest2) =
case k
k1 k -> k -> Ordering
forall a. Ord a => a -> a -> Ordering
`compare` k
k2 of
Ordering
EQ ->
[(k, v)] -> [(k, v)] -> [(k, v)] -> ST s [(k, v)]
f ((k
k1, v -> v -> v
merger v
v1 v
v2)(k, v) -> [(k, v)] -> [(k, v)]
forall a. a -> [a] -> [a]
:[(k, v)]
l) [(k, v)]
rest1 [(k, v)]
rest2
Ordering
LT -> do
nv2 <- Ctx s -> k -> ST s v
reader Ctx s
ctx k
k1
f ((k1, merger v1 nv2):l) rest1 l2
Ordering
GT -> do
nv1 <- Ctx s -> k -> ST s v
reader Ctx s
ctx k
k2
f ((k2, merger nv1 v2):l) l1 rest2
mergeMaybes :: p
-> (a -> a -> a) -> (p -> m a) -> Maybe a -> Maybe a -> m (Maybe a)
mergeMaybes p
ctx a -> a -> a
merger p -> m a
reader Maybe a
a Maybe a
b =
case (Maybe a
a, Maybe a
b) of
(Maybe a
Nothing, Maybe a
Nothing) -> Maybe a -> m (Maybe a)
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return Maybe a
forall a. Maybe a
Nothing
(Just a
v1, Maybe a
Nothing) -> a -> m (Maybe a)
single a
v1
(Maybe a
Nothing, Just a
v2) -> a -> m (Maybe a)
single a
v2
(Just a
v1, Just a
v2) -> Maybe a -> m (Maybe a)
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return (Maybe a -> m (Maybe a)) -> Maybe a -> m (Maybe a)
forall a b. (a -> b) -> a -> b
$ a -> Maybe a
forall a. a -> Maybe a
Just (a -> Maybe a) -> a -> Maybe a
forall a b. (a -> b) -> a -> b
$ a -> a -> a
merger a
v1 a
v2
where
single :: a -> m (Maybe a)
single a
val = do
result <- a -> a -> a
merger a
val (a -> a) -> m a -> m a
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> p -> m a
reader p
ctx
return $ Just result
vmFromMap :: p -> Map k v -> m (VersionedMap k v)
vmFromMap p
ctx Map k v
map = VersionedMap k v -> m (VersionedMap k v)
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return (VersionedMap k v -> m (VersionedMap k v))
-> VersionedMap k v -> m (VersionedMap k v)
forall a b. (a -> b) -> a -> b
$ VersionedMap {
mapVersion :: Integer
mapVersion = -Integer
1,
mapStorage :: Map k v
mapStorage = Map k v
map
}
versionMap :: Ctx s -> VersionedMap k v -> ST s (VersionedMap k v)
versionMap Ctx s
ctx VersionedMap k v
map =
if VersionedMap k v -> Integer
forall k v. VersionedMap k v -> Integer
mapVersion VersionedMap k v
map Integer -> Integer -> Bool
forall a. Ord a => a -> a -> Bool
>= Integer
0
then VersionedMap k v -> ST s (VersionedMap k v)
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return VersionedMap k v
map
else do
v <- Ctx s -> ST s Integer
forall {s}. Ctx s -> ST s Integer
nextVersion Ctx s
ctx
return map {
mapVersion = v
}
versionState :: Ctx s -> InternalState -> ST s InternalState
versionState Ctx s
ctx InternalState
state =
if InternalState -> Integer
sVersion InternalState
state Integer -> Integer -> Bool
forall a. Ord a => a -> a -> Bool
>= Integer
0
then InternalState -> ST s InternalState
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return InternalState
state
else do
self <- Ctx s -> ST s Integer
forall {s}. Ctx s -> ST s Integer
nextVersion Ctx s
ctx
ssGlobalValues <- versionMap ctx $ sGlobalValues state
ssLocalValues <- versionMap ctx $ sLocalValues state
ssFunctionTargets <- versionMap ctx $ sFunctionTargets state
return state {
sVersion = self,
sGlobalValues = ssGlobalValues,
sLocalValues = ssLocalValues,
sFunctionTargets = ssFunctionTargets
}
is2plus :: [a] -> Bool
is2plus :: forall a. [a] -> Bool
is2plus [a]
l = case [a]
l of
a
_:a
_:[a]
_ -> Bool
True
[a]
_ -> Bool
False
stateIsQuickEqual :: InternalState -> InternalState -> Bool
stateIsQuickEqual InternalState
a InternalState
b =
let
va :: Integer
va = InternalState -> Integer
sVersion InternalState
a
vb :: Integer
vb = InternalState -> Integer
sVersion InternalState
b
in
Integer
va Integer -> Integer -> Bool
forall a. Ord a => a -> a -> Bool
>= Integer
0 Bool -> Bool -> Bool
&& Integer
vb Integer -> Integer -> Bool
forall a. Ord a => a -> a -> Bool
>= Integer
0 Bool -> Bool -> Bool
&& Integer
va Integer -> Integer -> Bool
forall a. Eq a => a -> a -> Bool
== Integer
vb
stateIsSlowEqual :: InternalState -> InternalState -> Bool
stateIsSlowEqual InternalState
a InternalState
b =
(InternalState -> VersionedMap String VariableState) -> Bool
forall {a}. Eq a => (InternalState -> a) -> Bool
check InternalState -> VersionedMap String VariableState
sGlobalValues
Bool -> Bool -> Bool
&& (InternalState -> VersionedMap String VariableState) -> Bool
forall {a}. Eq a => (InternalState -> a) -> Bool
check InternalState -> VersionedMap String VariableState
sLocalValues
Bool -> Bool -> Bool
&& (InternalState -> VersionedMap String VariableState) -> Bool
forall {a}. Eq a => (InternalState -> a) -> Bool
check InternalState -> VersionedMap String VariableState
sPrefixValues
Bool -> Bool -> Bool
&& (InternalState -> VersionedMap String FunctionValue) -> Bool
forall {a}. Eq a => (InternalState -> a) -> Bool
check InternalState -> VersionedMap String FunctionValue
sFunctionTargets
Bool -> Bool -> Bool
&& (InternalState -> Maybe Bool) -> Bool
forall {a}. Eq a => (InternalState -> a) -> Bool
check InternalState -> Maybe Bool
sIsReachable
where
check :: (InternalState -> a) -> Bool
check InternalState -> a
f = InternalState -> a
f InternalState
a a -> a -> Bool
forall a. Eq a => a -> a -> Bool
== InternalState -> a
f InternalState
b
vmIsQuickEqual :: VersionedMap k v -> VersionedMap k v -> Bool
vmIsQuickEqual :: forall k v. VersionedMap k v -> VersionedMap k v -> Bool
vmIsQuickEqual VersionedMap k v
a VersionedMap k v
b =
let
va :: Integer
va = VersionedMap k v -> Integer
forall k v. VersionedMap k v -> Integer
mapVersion VersionedMap k v
a
vb :: Integer
vb = VersionedMap k v -> Integer
forall k v. VersionedMap k v -> Integer
mapVersion VersionedMap k v
b
in
Integer
va Integer -> Integer -> Bool
forall a. Ord a => a -> a -> Bool
>= Integer
0 Bool -> Bool -> Bool
&& Integer
vb Integer -> Integer -> Bool
forall a. Ord a => a -> a -> Bool
>= Integer
0 Bool -> Bool -> Bool
&& Integer
va Integer -> Integer -> Bool
forall a. Eq a => a -> a -> Bool
== Integer
vb
vmEmpty :: VersionedMap k v
vmEmpty = VersionedMap {
mapVersion :: Integer
mapVersion = Integer
0,
mapStorage :: Map k v
mapStorage = Map k v
forall k a. Map k a
M.empty
}
vmNull :: VersionedMap k v -> Bool
vmNull :: forall k v. VersionedMap k v -> Bool
vmNull VersionedMap k v
m = VersionedMap k v -> Integer
forall k v. VersionedMap k v -> Integer
mapVersion VersionedMap k v
m Integer -> Integer -> Bool
forall a. Eq a => a -> a -> Bool
== Integer
0 Bool -> Bool -> Bool
|| (Map k v -> Bool
forall k a. Map k a -> Bool
M.null (Map k v -> Bool) -> Map k v -> Bool
forall a b. (a -> b) -> a -> b
$ VersionedMap k v -> Map k v
forall k v. VersionedMap k v -> Map k v
mapStorage VersionedMap k v
m)
vmLookup :: k -> VersionedMap k a -> Maybe a
vmLookup k
name VersionedMap k a
map = k -> Map k a -> Maybe a
forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup k
name (Map k a -> Maybe a) -> Map k a -> Maybe a
forall a b. (a -> b) -> a -> b
$ VersionedMap k a -> Map k a
forall k v. VersionedMap k v -> Map k v
mapStorage VersionedMap k a
map
vmInsert :: k -> v -> VersionedMap k v -> VersionedMap k v
vmInsert k
key v
val VersionedMap k v
map = VersionedMap {
mapVersion :: Integer
mapVersion = -Integer
1,
mapStorage :: Map k v
mapStorage = k -> v -> Map k v -> Map k v
forall k a. Ord k => k -> a -> Map k a -> Map k a
M.insert k
key v
val (Map k v -> Map k v) -> Map k v -> Map k v
forall a b. (a -> b) -> a -> b
$ VersionedMap k v -> Map k v
forall k v. VersionedMap k v -> Map k v
mapStorage VersionedMap k v
map
}
vmPatch :: (Ord k) => VersionedMap k v -> VersionedMap k v -> VersionedMap k v
vmPatch :: forall k v.
Ord k =>
VersionedMap k v -> VersionedMap k v -> VersionedMap k v
vmPatch VersionedMap k v
base VersionedMap k v
diff =
case () of
()
_ | VersionedMap k v -> Integer
forall k v. VersionedMap k v -> Integer
mapVersion VersionedMap k v
base Integer -> Integer -> Bool
forall a. Eq a => a -> a -> Bool
== Integer
0 -> VersionedMap k v
diff
()
_ | VersionedMap k v -> Integer
forall k v. VersionedMap k v -> Integer
mapVersion VersionedMap k v
diff Integer -> Integer -> Bool
forall a. Eq a => a -> a -> Bool
== Integer
0 -> VersionedMap k v
base
()
_ | VersionedMap k v -> VersionedMap k v -> Bool
forall k v. VersionedMap k v -> VersionedMap k v -> Bool
vmIsQuickEqual VersionedMap k v
base VersionedMap k v
diff -> VersionedMap k v
diff
()
_ -> VersionedMap {
mapVersion :: Integer
mapVersion = -Integer
1,
mapStorage :: Map k v
mapStorage = (v -> v -> v) -> Map k v -> Map k v -> Map k v
forall k a. Ord k => (a -> a -> a) -> Map k a -> Map k a -> Map k a
M.unionWith ((v -> v -> v) -> v -> v -> v
forall a b c. (a -> b -> c) -> b -> a -> c
flip v -> v -> v
forall a b. a -> b -> a
const) (VersionedMap k v -> Map k v
forall k v. VersionedMap k v -> Map k v
mapStorage VersionedMap k v
base) (VersionedMap k v -> Map k v
forall k v. VersionedMap k v -> Map k v
mapStorage VersionedMap k v
diff)
}
writeVariable :: forall s. Ctx s -> String -> VariableState -> ST s ()
writeVariable :: forall s. Ctx s -> String -> VariableState -> ST s ()
writeVariable Ctx s
ctx String
name VariableState
val = do
typ <- Ctx s -> String -> ST s Scope
forall {s}. Ctx s -> String -> ST s Scope
readVariableScope Ctx s
ctx String
name
case typ of
Scope
GlobalScope -> Ctx s -> String -> VariableState -> ST s ()
forall s. Ctx s -> String -> VariableState -> ST s ()
writeGlobal Ctx s
ctx String
name VariableState
val
Scope
LocalScope -> Ctx s -> String -> VariableState -> ST s ()
forall s. Ctx s -> String -> VariableState -> ST s ()
writeLocal Ctx s
ctx String
name VariableState
val
Scope
PrefixScope -> Ctx s -> String -> VariableState -> ST s ()
forall s. Ctx s -> String -> VariableState -> ST s ()
writeLocal Ctx s
ctx String
name VariableState
val
writeGlobal :: Ctx s -> String -> VariableState -> ST s ()
writeGlobal Ctx s
ctx String
name VariableState
val = do
STRef s InternalState
-> (InternalState -> InternalState) -> ST s ()
forall s a. STRef s a -> (a -> a) -> ST s ()
modifySTRef (Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cOutput Ctx s
ctx) ((InternalState -> InternalState) -> ST s ())
-> (InternalState -> InternalState) -> ST s ()
forall a b. (a -> b) -> a -> b
$ String -> VariableState -> InternalState -> InternalState
insertGlobal String
name VariableState
val
writeLocal :: Ctx s -> String -> VariableState -> ST s ()
writeLocal Ctx s
ctx String
name VariableState
val = do
STRef s InternalState
-> (InternalState -> InternalState) -> ST s ()
forall s a. STRef s a -> (a -> a) -> ST s ()
modifySTRef (Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cOutput Ctx s
ctx) ((InternalState -> InternalState) -> ST s ())
-> (InternalState -> InternalState) -> ST s ()
forall a b. (a -> b) -> a -> b
$ String -> VariableState -> InternalState -> InternalState
insertLocal String
name VariableState
val
writePrefix :: Ctx s -> String -> VariableState -> ST s ()
writePrefix Ctx s
ctx String
name VariableState
val = do
STRef s InternalState
-> (InternalState -> InternalState) -> ST s ()
forall s a. STRef s a -> (a -> a) -> ST s ()
modifySTRef (Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cOutput Ctx s
ctx) ((InternalState -> InternalState) -> ST s ())
-> (InternalState -> InternalState) -> ST s ()
forall a b. (a -> b) -> a -> b
$ String -> VariableState -> InternalState -> InternalState
insertPrefix String
name VariableState
val
updateVariableValue :: Ctx s -> String -> VariableValue -> ST s ()
updateVariableValue Ctx s
ctx String
name VariableValue
val = do
(props, scope) <- Ctx s -> String -> ST s (Set (Set CFVariableProp), Scope)
forall s. Ctx s -> String -> ST s (Set (Set CFVariableProp), Scope)
readVariablePropertiesWithScope Ctx s
ctx String
name
let f = case Scope
scope of
Scope
GlobalScope -> Ctx s -> String -> VariableState -> ST s ()
forall s. Ctx s -> String -> VariableState -> ST s ()
writeGlobal
Scope
LocalScope -> Ctx s -> String -> VariableState -> ST s ()
forall s. Ctx s -> String -> VariableState -> ST s ()
writeLocal
Scope
PrefixScope -> Ctx s -> String -> VariableState -> ST s ()
forall s. Ctx s -> String -> VariableState -> ST s ()
writeLocal
f ctx name $ VariableState { variableValue = val, variableProperties = props }
updateGlobalValue :: Ctx s -> String -> VariableValue -> ST s ()
updateGlobalValue Ctx s
ctx String
name VariableValue
val = do
props <- Ctx s -> String -> ST s (Set (Set CFVariableProp))
forall {s}. Ctx s -> String -> ST s (Set (Set CFVariableProp))
readGlobalProperties Ctx s
ctx String
name
writeGlobal ctx name VariableState { variableValue = val, variableProperties = props }
updateLocalValue :: Ctx s -> String -> VariableValue -> ST s ()
updateLocalValue Ctx s
ctx String
name VariableValue
val = do
props <- Ctx s -> String -> ST s (Set (Set CFVariableProp))
forall {s}. Ctx s -> String -> ST s (Set (Set CFVariableProp))
readLocalProperties Ctx s
ctx String
name
writeLocal ctx name VariableState { variableValue = val, variableProperties = props }
updatePrefixValue :: Ctx s -> String -> VariableValue -> ST s ()
updatePrefixValue Ctx s
ctx String
name VariableValue
val = do
Ctx s -> String -> VariableState -> ST s ()
forall s. Ctx s -> String -> VariableState -> ST s ()
writePrefix Ctx s
ctx String
name VariableState { variableValue :: VariableValue
variableValue = VariableValue
val, variableProperties :: Set (Set CFVariableProp)
variableProperties = Set (Set CFVariableProp)
forall {a}. Set (Set a)
defaultProperties }
readVariableWithScope :: forall s. Ctx s -> String -> ST s (VariableState, Scope)
readVariableWithScope :: forall s. Ctx s -> String -> ST s (VariableState, Scope)
readVariableWithScope Ctx s
ctx String
name = (InternalState -> String -> Maybe (VariableState, Scope))
-> (String -> (VariableState, Scope) -> StateDependency)
-> (VariableState, Scope)
-> Ctx s
-> String
-> ST s (VariableState, Scope)
forall {k} {v} {s}.
(InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency) -> v -> Ctx s -> k -> ST s v
lookupStack InternalState -> String -> Maybe (VariableState, Scope)
get String -> (VariableState, Scope) -> StateDependency
dep (VariableState, Scope)
def Ctx s
ctx String
name
where
def :: (VariableState, Scope)
def = (VariableState
unknownVariableState, Scope
GlobalScope)
get :: InternalState -> String -> Maybe (VariableState, Scope)
get = InternalState -> String -> Maybe (VariableState, Scope)
getVariableWithScope
dep :: String -> (VariableState, Scope) -> StateDependency
dep String
k (VariableState
val, Scope
scope) = Scope -> String -> VariableState -> StateDependency
DepState Scope
scope String
k VariableState
val
readVariablePropertiesWithScope :: forall s. Ctx s -> String -> ST s (VariableProperties, Scope)
readVariablePropertiesWithScope :: forall s. Ctx s -> String -> ST s (Set (Set CFVariableProp), Scope)
readVariablePropertiesWithScope Ctx s
ctx String
name = (InternalState
-> String -> Maybe (Set (Set CFVariableProp), Scope))
-> (String -> (Set (Set CFVariableProp), Scope) -> StateDependency)
-> (Set (Set CFVariableProp), Scope)
-> Ctx s
-> String
-> ST s (Set (Set CFVariableProp), Scope)
forall {k} {v} {s}.
(InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency) -> v -> Ctx s -> k -> ST s v
lookupStack InternalState -> String -> Maybe (Set (Set CFVariableProp), Scope)
get String -> (Set (Set CFVariableProp), Scope) -> StateDependency
dep (Set (Set CFVariableProp), Scope)
forall {a}. (Set (Set a), Scope)
def Ctx s
ctx String
name
where
def :: (Set (Set a), Scope)
def = (Set (Set a)
forall {a}. Set (Set a)
defaultProperties, Scope
GlobalScope)
get :: InternalState -> String -> Maybe (Set (Set CFVariableProp), Scope)
get InternalState
s String
k = do
(val, scope) <- InternalState -> String -> Maybe (VariableState, Scope)
getVariableWithScope InternalState
s String
k
return (variableProperties val, scope)
dep :: String -> (Set (Set CFVariableProp), Scope) -> StateDependency
dep String
k (Set (Set CFVariableProp)
val, Scope
scope) = Scope -> String -> Set (Set CFVariableProp) -> StateDependency
DepProperties Scope
scope String
k Set (Set CFVariableProp)
val
readVariableScope :: Ctx s -> String -> ST s Scope
readVariableScope Ctx s
ctx String
name = (Set (Set CFVariableProp), Scope) -> Scope
forall a b. (a, b) -> b
snd ((Set (Set CFVariableProp), Scope) -> Scope)
-> ST s (Set (Set CFVariableProp), Scope) -> ST s Scope
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Ctx s -> String -> ST s (Set (Set CFVariableProp), Scope)
forall s. Ctx s -> String -> ST s (Set (Set CFVariableProp), Scope)
readVariablePropertiesWithScope Ctx s
ctx String
name
getVariableWithScope :: InternalState -> String -> Maybe (VariableState, Scope)
getVariableWithScope :: InternalState -> String -> Maybe (VariableState, Scope)
getVariableWithScope InternalState
s String
name =
case (String -> VersionedMap String VariableState -> Maybe VariableState
forall {k} {a}. Ord k => k -> VersionedMap k a -> Maybe a
vmLookup String
name (VersionedMap String VariableState -> Maybe VariableState)
-> VersionedMap String VariableState -> Maybe VariableState
forall a b. (a -> b) -> a -> b
$ InternalState -> VersionedMap String VariableState
sPrefixValues InternalState
s, String -> VersionedMap String VariableState -> Maybe VariableState
forall {k} {a}. Ord k => k -> VersionedMap k a -> Maybe a
vmLookup String
name (VersionedMap String VariableState -> Maybe VariableState)
-> VersionedMap String VariableState -> Maybe VariableState
forall a b. (a -> b) -> a -> b
$ InternalState -> VersionedMap String VariableState
sLocalValues InternalState
s, String -> VersionedMap String VariableState -> Maybe VariableState
forall {k} {a}. Ord k => k -> VersionedMap k a -> Maybe a
vmLookup String
name (VersionedMap String VariableState -> Maybe VariableState)
-> VersionedMap String VariableState -> Maybe VariableState
forall a b. (a -> b) -> a -> b
$ InternalState -> VersionedMap String VariableState
sGlobalValues InternalState
s) of
(Just VariableState
var, Maybe VariableState
_, Maybe VariableState
_) -> (VariableState, Scope) -> Maybe (VariableState, Scope)
forall a. a -> Maybe a
forall (m :: * -> *) a. Monad m => a -> m a
return (VariableState
var, Scope
PrefixScope)
(Maybe VariableState
_, Just VariableState
var, Maybe VariableState
_) -> (VariableState, Scope) -> Maybe (VariableState, Scope)
forall a. a -> Maybe a
forall (m :: * -> *) a. Monad m => a -> m a
return (VariableState
var, Scope
LocalScope)
(Maybe VariableState
_, Maybe VariableState
_, Just VariableState
var) -> (VariableState, Scope) -> Maybe (VariableState, Scope)
forall a. a -> Maybe a
forall (m :: * -> *) a. Monad m => a -> m a
return (VariableState
var, Scope
GlobalScope)
(Maybe VariableState, Maybe VariableState, Maybe VariableState)
_ -> Maybe (VariableState, Scope)
forall a. Maybe a
Nothing
undefineFunction :: Ctx s -> String -> ST s ()
undefineFunction Ctx s
ctx String
name =
Ctx s -> String -> FunctionDefinition -> ST s ()
forall {s}. Ctx s -> String -> FunctionDefinition -> ST s ()
writeFunction Ctx s
ctx String
name (FunctionDefinition -> ST s ()) -> FunctionDefinition -> ST s ()
forall a b. (a -> b) -> a -> b
$ FunctionDefinition
FunctionUnknown
undefineVariable :: Ctx s -> String -> ST s ()
undefineVariable Ctx s
ctx String
name =
Ctx s -> String -> VariableState -> ST s ()
forall s. Ctx s -> String -> VariableState -> ST s ()
writeVariable Ctx s
ctx String
name (VariableState -> ST s ()) -> VariableState -> ST s ()
forall a b. (a -> b) -> a -> b
$ VariableState
unsetVariableState
readVariable :: Ctx s -> String -> ST s VariableState
readVariable Ctx s
ctx String
name = (VariableState, Scope) -> VariableState
forall a b. (a, b) -> a
fst ((VariableState, Scope) -> VariableState)
-> ST s (VariableState, Scope) -> ST s VariableState
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Ctx s -> String -> ST s (VariableState, Scope)
forall s. Ctx s -> String -> ST s (VariableState, Scope)
readVariableWithScope Ctx s
ctx String
name
readVariableProperties :: Ctx s -> String -> ST s (Set (Set CFVariableProp))
readVariableProperties Ctx s
ctx String
name = (Set (Set CFVariableProp), Scope) -> Set (Set CFVariableProp)
forall a b. (a, b) -> a
fst ((Set (Set CFVariableProp), Scope) -> Set (Set CFVariableProp))
-> ST s (Set (Set CFVariableProp), Scope)
-> ST s (Set (Set CFVariableProp))
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Ctx s -> String -> ST s (Set (Set CFVariableProp), Scope)
forall s. Ctx s -> String -> ST s (Set (Set CFVariableProp), Scope)
readVariablePropertiesWithScope Ctx s
ctx String
name
readGlobal :: Ctx s -> String -> ST s VariableState
readGlobal Ctx s
ctx String
name = (InternalState -> String -> Maybe VariableState)
-> (String -> VariableState -> StateDependency)
-> VariableState
-> Ctx s
-> String
-> ST s VariableState
forall {k} {v} {s}.
(InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency) -> v -> Ctx s -> k -> ST s v
lookupStack InternalState -> String -> Maybe VariableState
get String -> VariableState -> StateDependency
dep VariableState
def Ctx s
ctx String
name
where
def :: VariableState
def = VariableState
unknownVariableState
get :: InternalState -> String -> Maybe VariableState
get InternalState
s String
name = String -> VersionedMap String VariableState -> Maybe VariableState
forall {k} {a}. Ord k => k -> VersionedMap k a -> Maybe a
vmLookup String
name (VersionedMap String VariableState -> Maybe VariableState)
-> VersionedMap String VariableState -> Maybe VariableState
forall a b. (a -> b) -> a -> b
$ InternalState -> VersionedMap String VariableState
sGlobalValues InternalState
s
dep :: String -> VariableState -> StateDependency
dep String
k VariableState
v = Scope -> String -> VariableState -> StateDependency
DepState Scope
GlobalScope String
k VariableState
v
readGlobalProperties :: Ctx s -> String -> ST s (Set (Set CFVariableProp))
readGlobalProperties Ctx s
ctx String
name = (InternalState -> String -> Maybe (Set (Set CFVariableProp)))
-> (String -> Set (Set CFVariableProp) -> StateDependency)
-> Set (Set CFVariableProp)
-> Ctx s
-> String
-> ST s (Set (Set CFVariableProp))
forall {k} {v} {s}.
(InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency) -> v -> Ctx s -> k -> ST s v
lookupStack InternalState -> String -> Maybe (Set (Set CFVariableProp))
get String -> Set (Set CFVariableProp) -> StateDependency
dep Set (Set CFVariableProp)
forall {a}. Set (Set a)
def Ctx s
ctx String
name
where
def :: Set (Set a)
def = Set (Set a)
forall {a}. Set (Set a)
defaultProperties
get :: InternalState -> String -> Maybe (Set (Set CFVariableProp))
get InternalState
s String
name = VariableState -> Set (Set CFVariableProp)
variableProperties (VariableState -> Set (Set CFVariableProp))
-> Maybe VariableState -> Maybe (Set (Set CFVariableProp))
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (String -> VersionedMap String VariableState -> Maybe VariableState
forall {k} {a}. Ord k => k -> VersionedMap k a -> Maybe a
vmLookup String
name (VersionedMap String VariableState -> Maybe VariableState)
-> VersionedMap String VariableState -> Maybe VariableState
forall a b. (a -> b) -> a -> b
$ InternalState -> VersionedMap String VariableState
sGlobalValues InternalState
s)
dep :: String -> Set (Set CFVariableProp) -> StateDependency
dep String
k Set (Set CFVariableProp)
v = Scope -> String -> Set (Set CFVariableProp) -> StateDependency
DepProperties Scope
GlobalScope String
k Set (Set CFVariableProp)
v
readLocal :: Ctx s -> String -> ST s VariableState
readLocal Ctx s
ctx String
name = (InternalState -> String -> Maybe VariableState)
-> (String -> VariableState -> StateDependency)
-> VariableState
-> Ctx s
-> String
-> ST s VariableState
forall {k} {v} {s}.
(InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency) -> v -> Ctx s -> k -> ST s v
lookupStackUntilFunction InternalState -> String -> Maybe VariableState
get String -> VariableState -> StateDependency
dep VariableState
def Ctx s
ctx String
name
where
def :: VariableState
def = VariableState
unsetVariableState
get :: InternalState -> String -> Maybe VariableState
get InternalState
s String
name = String -> VersionedMap String VariableState -> Maybe VariableState
forall {k} {a}. Ord k => k -> VersionedMap k a -> Maybe a
vmLookup String
name (VersionedMap String VariableState -> Maybe VariableState)
-> VersionedMap String VariableState -> Maybe VariableState
forall a b. (a -> b) -> a -> b
$ InternalState -> VersionedMap String VariableState
sLocalValues InternalState
s
dep :: String -> VariableState -> StateDependency
dep String
k VariableState
v = Scope -> String -> VariableState -> StateDependency
DepState Scope
LocalScope String
k VariableState
v
readLocalProperties :: Ctx s -> String -> ST s (Set (Set CFVariableProp))
readLocalProperties Ctx s
ctx String
name = (Set (Set CFVariableProp), Scope) -> Set (Set CFVariableProp)
forall a b. (a, b) -> a
fst ((Set (Set CFVariableProp), Scope) -> Set (Set CFVariableProp))
-> ST s (Set (Set CFVariableProp), Scope)
-> ST s (Set (Set CFVariableProp))
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (InternalState
-> String -> Maybe (Set (Set CFVariableProp), Scope))
-> (String -> (Set (Set CFVariableProp), Scope) -> StateDependency)
-> (Set (Set CFVariableProp), Scope)
-> Ctx s
-> String
-> ST s (Set (Set CFVariableProp), Scope)
forall {k} {v} {s}.
(InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency) -> v -> Ctx s -> k -> ST s v
lookupStackUntilFunction InternalState -> String -> Maybe (Set (Set CFVariableProp), Scope)
get String -> (Set (Set CFVariableProp), Scope) -> StateDependency
dep (Set (Set CFVariableProp), Scope)
forall {a}. (Set (Set a), Scope)
def Ctx s
ctx String
name
where
def :: (Set (Set a), Scope)
def = (Set (Set a)
forall {a}. Set (Set a)
defaultProperties, Scope
LocalScope)
with :: b -> m VariableState -> m (Set (Set CFVariableProp), b)
with b
tag m VariableState
f = do
val <- VariableState -> Set (Set CFVariableProp)
variableProperties (VariableState -> Set (Set CFVariableProp))
-> m VariableState -> m (Set (Set CFVariableProp))
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> m VariableState
f
return (val, tag)
get :: InternalState -> String -> Maybe (Set (Set CFVariableProp), Scope)
get InternalState
s String
name = (Scope
-> Maybe VariableState -> Maybe (Set (Set CFVariableProp), Scope)
forall {m :: * -> *} {b}.
Monad m =>
b -> m VariableState -> m (Set (Set CFVariableProp), b)
with Scope
LocalScope (Maybe VariableState -> Maybe (Set (Set CFVariableProp), Scope))
-> Maybe VariableState -> Maybe (Set (Set CFVariableProp), Scope)
forall a b. (a -> b) -> a -> b
$ String -> VersionedMap String VariableState -> Maybe VariableState
forall {k} {a}. Ord k => k -> VersionedMap k a -> Maybe a
vmLookup String
name (VersionedMap String VariableState -> Maybe VariableState)
-> VersionedMap String VariableState -> Maybe VariableState
forall a b. (a -> b) -> a -> b
$ InternalState -> VersionedMap String VariableState
sLocalValues InternalState
s) Maybe (Set (Set CFVariableProp), Scope)
-> Maybe (Set (Set CFVariableProp), Scope)
-> Maybe (Set (Set CFVariableProp), Scope)
forall a. Maybe a -> Maybe a -> Maybe a
forall (m :: * -> *) a. MonadPlus m => m a -> m a -> m a
`mplus` (Scope
-> Maybe VariableState -> Maybe (Set (Set CFVariableProp), Scope)
forall {m :: * -> *} {b}.
Monad m =>
b -> m VariableState -> m (Set (Set CFVariableProp), b)
with Scope
PrefixScope (Maybe VariableState -> Maybe (Set (Set CFVariableProp), Scope))
-> Maybe VariableState -> Maybe (Set (Set CFVariableProp), Scope)
forall a b. (a -> b) -> a -> b
$ String -> VersionedMap String VariableState -> Maybe VariableState
forall {k} {a}. Ord k => k -> VersionedMap k a -> Maybe a
vmLookup String
name (VersionedMap String VariableState -> Maybe VariableState)
-> VersionedMap String VariableState -> Maybe VariableState
forall a b. (a -> b) -> a -> b
$ InternalState -> VersionedMap String VariableState
sPrefixValues InternalState
s)
dep :: String -> (Set (Set CFVariableProp), Scope) -> StateDependency
dep String
k (Set (Set CFVariableProp)
val, Scope
scope) = Scope -> String -> Set (Set CFVariableProp) -> StateDependency
DepProperties Scope
scope String
k Set (Set CFVariableProp)
val
readFunction :: Ctx s -> String -> ST s FunctionValue
readFunction Ctx s
ctx String
name = (InternalState -> String -> Maybe FunctionValue)
-> (String -> FunctionValue -> StateDependency)
-> FunctionValue
-> Ctx s
-> String
-> ST s FunctionValue
forall {k} {v} {s}.
(InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency) -> v -> Ctx s -> k -> ST s v
lookupStack InternalState -> String -> Maybe FunctionValue
get String -> FunctionValue -> StateDependency
dep FunctionValue
def Ctx s
ctx String
name
where
def :: FunctionValue
def = FunctionValue
unknownFunctionValue
get :: InternalState -> String -> Maybe FunctionValue
get InternalState
s String
name = String -> VersionedMap String FunctionValue -> Maybe FunctionValue
forall {k} {a}. Ord k => k -> VersionedMap k a -> Maybe a
vmLookup String
name (VersionedMap String FunctionValue -> Maybe FunctionValue)
-> VersionedMap String FunctionValue -> Maybe FunctionValue
forall a b. (a -> b) -> a -> b
$ InternalState -> VersionedMap String FunctionValue
sFunctionTargets InternalState
s
dep :: String -> FunctionValue -> StateDependency
dep String
k FunctionValue
v = String -> FunctionValue -> StateDependency
DepFunction String
k FunctionValue
v
writeFunction :: Ctx s -> String -> FunctionDefinition -> ST s ()
writeFunction Ctx s
ctx String
name FunctionDefinition
val = do
STRef s InternalState
-> (InternalState -> InternalState) -> ST s ()
forall s a. STRef s a -> (a -> a) -> ST s ()
modifySTRef (Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cOutput Ctx s
ctx) ((InternalState -> InternalState) -> ST s ())
-> (InternalState -> InternalState) -> ST s ()
forall a b. (a -> b) -> a -> b
$ String -> FunctionValue -> InternalState -> InternalState
insertFunction String
name (FunctionValue -> InternalState -> InternalState)
-> FunctionValue -> InternalState -> InternalState
forall a b. (a -> b) -> a -> b
$ FunctionDefinition -> FunctionValue
forall a. a -> Set a
S.singleton FunctionDefinition
val
readExitCodes :: Ctx s -> ST s (Set Id)
readExitCodes Ctx s
ctx = (InternalState -> () -> Maybe (Set Id))
-> (() -> Set Id -> StateDependency)
-> Set Id
-> Ctx s
-> ()
-> ST s (Set Id)
forall {k} {v} {s}.
(InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency) -> v -> Ctx s -> k -> ST s v
lookupStack InternalState -> () -> Maybe (Set Id)
get () -> Set Id -> StateDependency
dep Set Id
forall a. Set a
def Ctx s
ctx ()
where
get :: InternalState -> () -> Maybe (Set Id)
get InternalState
s () = InternalState -> Maybe (Set Id)
sExitCodes InternalState
s
def :: Set a
def = Set a
forall a. Set a
S.empty
dep :: () -> Set Id -> StateDependency
dep () Set Id
v = Set Id -> StateDependency
DepExitCodes Set Id
v
lookupStack' :: forall s k v.
Bool
-> (InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency)
-> v
-> Ctx s
-> k
-> ST s v
lookupStack' :: forall s k v.
Bool
-> (InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency)
-> v
-> Ctx s
-> k
-> ST s v
lookupStack' Bool
functionOnly InternalState -> k -> Maybe v
get k -> v -> StateDependency
dep v
def Ctx s
ctx k
key = do
top <- STRef s InternalState -> ST s InternalState
forall s a. STRef s a -> ST s a
readSTRef (STRef s InternalState -> ST s InternalState)
-> STRef s InternalState -> ST s InternalState
forall a b. (a -> b) -> a -> b
$ Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cInput Ctx s
ctx
case get top key of
Just v
v -> v -> ST s v
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return v
v
Maybe v
Nothing -> [StackEntry s] -> ST s v
forall {s}. [StackEntry s] -> ST s v
f (Ctx s -> [StackEntry s]
forall s. Ctx s -> [StackEntry s]
cStack Ctx s
ctx)
where
f :: [StackEntry s] -> ST s v
f [] = v -> ST s v
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return v
def
f (StackEntry s
s:[StackEntry s]
_) | Bool
functionOnly Bool -> Bool -> Bool
&& StackEntry s -> Bool
forall s. StackEntry s -> Bool
isFunctionCall StackEntry s
s = v -> ST s v
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return v
def
f (StackEntry s
s:[StackEntry s]
rest) = do
res <- ST s v -> (v -> ST s v) -> Maybe v -> ST s v
forall b a. b -> (a -> b) -> Maybe a -> b
maybe ([StackEntry s] -> ST s v
f [StackEntry s]
rest) v -> ST s v
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return (InternalState -> k -> Maybe v
get (StackEntry s -> InternalState
forall s. StackEntry s -> InternalState
stackState StackEntry s
s) k
key)
modifySTRef (dependencies s) $ S.insert $ dep key res
return res
lookupStack :: (InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency) -> v -> Ctx s -> k -> ST s v
lookupStack = Bool
-> (InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency)
-> v
-> Ctx s
-> k
-> ST s v
forall s k v.
Bool
-> (InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency)
-> v
-> Ctx s
-> k
-> ST s v
lookupStack' Bool
False
lookupStackUntilFunction :: (InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency) -> v -> Ctx s -> k -> ST s v
lookupStackUntilFunction = Bool
-> (InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency)
-> v
-> Ctx s
-> k
-> ST s v
forall s k v.
Bool
-> (InternalState -> k -> Maybe v)
-> (k -> v -> StateDependency)
-> v
-> Ctx s
-> k
-> ST s v
lookupStack' Bool
True
peekStack :: (InternalState -> p -> Maybe b) -> b -> Ctx s -> p -> ST s b
peekStack InternalState -> p -> Maybe b
get b
def Ctx s
ctx p
key = do
top <- STRef s InternalState -> ST s InternalState
forall s a. STRef s a -> ST s a
readSTRef (STRef s InternalState -> ST s InternalState)
-> STRef s InternalState -> ST s InternalState
forall a b. (a -> b) -> a -> b
$ Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cInput Ctx s
ctx
case get top key of
Just b
v -> b -> ST s b
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return b
v
Maybe b
Nothing -> [StackEntry s] -> ST s b
forall {m :: * -> *} {s}. Monad m => [StackEntry s] -> m b
f (Ctx s -> [StackEntry s]
forall s. Ctx s -> [StackEntry s]
cStack Ctx s
ctx)
where
f :: [StackEntry s] -> m b
f [] = b -> m b
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return b
def
f (StackEntry s
s:[StackEntry s]
rest) =
case InternalState -> p -> Maybe b
get (StackEntry s -> InternalState
forall s. StackEntry s -> InternalState
stackState StackEntry s
s) p
key of
Just b
v -> b -> m b
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return b
v
Maybe b
Nothing -> [StackEntry s] -> m b
f [StackEntry s]
rest
fulfillsDependency :: Ctx s -> Node -> StateDependency -> ST s Bool
fulfillsDependency Ctx s
ctx Node
entry StateDependency
dep =
case StateDependency
dep of
DepState Scope
scope String
name VariableState
val -> ((VariableState, Scope) -> (VariableState, Scope) -> Bool
forall a. Eq a => a -> a -> Bool
== (VariableState
val, Scope
scope)) ((VariableState, Scope) -> Bool)
-> ST s (VariableState, Scope) -> ST s Bool
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Scope -> Ctx s -> String -> ST s (VariableState, Scope)
forall {s}. Scope -> Ctx s -> String -> ST s (VariableState, Scope)
peek Scope
scope Ctx s
ctx String
name
DepProperties Scope
scope String
name Set (Set CFVariableProp)
props -> do
(state, s) <- Scope -> Ctx s -> String -> ST s (VariableState, Scope)
forall {s}. Scope -> Ctx s -> String -> ST s (VariableState, Scope)
peek Scope
scope Ctx s
ctx String
name
return $ scope == s && variableProperties state == props
DepFunction String
name FunctionValue
val -> (FunctionValue -> FunctionValue -> Bool
forall a. Eq a => a -> a -> Bool
== FunctionValue
val) (FunctionValue -> Bool) -> ST s FunctionValue -> ST s Bool
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Ctx s -> String -> ST s FunctionValue
forall {s}. Ctx s -> String -> ST s FunctionValue
peekFunc Ctx s
ctx String
name
DepIsRecursive Node
node Bool
val | Node
node Node -> Node -> Bool
forall a. Eq a => a -> a -> Bool
== Node
entry -> Bool -> ST s Bool
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
True
DepIsRecursive Node
node Bool
val -> Bool -> ST s Bool
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return (Bool -> ST s Bool) -> Bool -> ST s Bool
forall a b. (a -> b) -> a -> b
$ Bool
val Bool -> Bool -> Bool
forall a. Eq a => a -> a -> Bool
== (StackEntry s -> Bool) -> [StackEntry s] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any (\StackEntry s
f -> StackEntry s -> Node
forall s. StackEntry s -> Node
entryPoint StackEntry s
f Node -> Node -> Bool
forall a. Eq a => a -> a -> Bool
== Node
node) (Ctx s -> [StackEntry s]
forall s. Ctx s -> [StackEntry s]
cStack Ctx s
ctx)
DepExitCodes Set Id
val -> (Set Id -> Set Id -> Bool
forall a. Eq a => a -> a -> Bool
== Set Id
val) (Set Id -> Bool) -> ST s (Set Id) -> ST s Bool
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (InternalState -> () -> Maybe (Set Id))
-> Set Id -> Ctx s -> () -> ST s (Set Id)
forall {p} {b} {s}.
(InternalState -> p -> Maybe b) -> b -> Ctx s -> p -> ST s b
peekStack (\InternalState
s ()
k -> InternalState -> Maybe (Set Id)
sExitCodes InternalState
s) Set Id
forall a. Set a
S.empty Ctx s
ctx ()
where
peek :: Scope -> Ctx s -> String -> ST s (VariableState, Scope)
peek Scope
scope = (InternalState -> String -> Maybe (VariableState, Scope))
-> (VariableState, Scope)
-> Ctx s
-> String
-> ST s (VariableState, Scope)
forall {p} {b} {s}.
(InternalState -> p -> Maybe b) -> b -> Ctx s -> p -> ST s b
peekStack InternalState -> String -> Maybe (VariableState, Scope)
getVariableWithScope ((VariableState, Scope)
-> Ctx s -> String -> ST s (VariableState, Scope))
-> (VariableState, Scope)
-> Ctx s
-> String
-> ST s (VariableState, Scope)
forall a b. (a -> b) -> a -> b
$ if Scope
scope Scope -> Scope -> Bool
forall a. Eq a => a -> a -> Bool
== Scope
GlobalScope then (VariableState
unknownVariableState, Scope
GlobalScope) else (VariableState
unsetVariableState, Scope
LocalScope)
peekFunc :: Ctx s -> String -> ST s FunctionValue
peekFunc = (InternalState -> String -> Maybe FunctionValue)
-> FunctionValue -> Ctx s -> String -> ST s FunctionValue
forall {p} {b} {s}.
(InternalState -> p -> Maybe b) -> b -> Ctx s -> p -> ST s b
peekStack (\InternalState
state String
name -> String -> VersionedMap String FunctionValue -> Maybe FunctionValue
forall {k} {a}. Ord k => k -> VersionedMap k a -> Maybe a
vmLookup String
name (VersionedMap String FunctionValue -> Maybe FunctionValue)
-> VersionedMap String FunctionValue -> Maybe FunctionValue
forall a b. (a -> b) -> a -> b
$ InternalState -> VersionedMap String FunctionValue
sFunctionTargets InternalState
state) FunctionValue
unknownFunctionValue
fulfillsDependencies :: Ctx s -> Node -> Set StateDependency -> ST s Bool
fulfillsDependencies Ctx s
ctx Node
entry Set StateDependency
deps =
[StateDependency] -> ST s Bool
f ([StateDependency] -> ST s Bool) -> [StateDependency] -> ST s Bool
forall a b. (a -> b) -> a -> b
$ Set StateDependency -> [StateDependency]
forall a. Set a -> [a]
S.toList Set StateDependency
deps
where
f :: [StateDependency] -> ST s Bool
f [] = Bool -> ST s Bool
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
True
f (StateDependency
dep:[StateDependency]
rest) = do
res <- Ctx s -> Node -> StateDependency -> ST s Bool
forall {s}. Ctx s -> Node -> StateDependency -> ST s Bool
fulfillsDependency Ctx s
ctx Node
entry StateDependency
dep
if res
then f rest
else return False
newCtx :: CFGraph -> ST s (Ctx s)
newCtx CFGraph
g = do
c <- Integer -> ST s (STRef s Integer)
forall a s. a -> ST s (STRef s a)
newSTRef Integer
1
input <- newSTRef undefined
output <- newSTRef undefined
node <- newSTRef undefined
cache <- newSTRef M.empty
enableCache <- newSTRef True
invocations <- newSTRef M.empty
return $ Ctx {
cCounter = c,
cInput = input,
cOutput = output,
cNode = node,
cCache = cache,
cEnableCache = enableCache,
cStack = [],
cInvocations = invocations,
cGraph = g
}
nextVersion :: Ctx s -> ST s Integer
nextVersion Ctx s
ctx = do
let ctr :: STRef s Integer
ctr = Ctx s -> STRef s Integer
forall s. Ctx s -> STRef s Integer
cCounter Ctx s
ctx
n <- STRef s Integer -> ST s Integer
forall s a. STRef s a -> ST s a
readSTRef STRef s Integer
ctr
writeSTRef ctr $! n+1
return n
newStackEntry :: Ctx s -> Node -> Bool -> ST s (StackEntry s)
newStackEntry Ctx s
ctx Node
point Bool
isCall = do
deps <- Set StateDependency -> ST s (STRef s (Set StateDependency))
forall a s. a -> ST s (STRef s a)
newSTRef Set StateDependency
forall a. Set a
S.empty
state <- readSTRef $ cOutput ctx
callsite <- readSTRef $ cNode ctx
return $ StackEntry {
entryPoint = point,
isFunctionCall = isCall,
callSite = callsite,
dependencies = deps,
stackState = state
}
withNewStackFrame :: Ctx s
-> Node -> Bool -> (Ctx s -> ST s a) -> ST s (a, StackEntry s)
withNewStackFrame Ctx s
ctx Node
node Bool
isCall Ctx s -> ST s a
f = do
newEntry <- Ctx s -> Node -> Bool -> ST s (StackEntry s)
forall {s}. Ctx s -> Node -> Bool -> ST s (StackEntry s)
newStackEntry Ctx s
ctx Node
node Bool
isCall
newInput <- newSTRef newInternalState
newOutput <- newSTRef newInternalState
newNode <- newSTRef node
let newCtx = Ctx s
ctx {
cInput = newInput,
cOutput = newOutput,
cNode = newNode,
cStack = newEntry : cStack ctx
}
x <- f newCtx
return (x, newEntry)
wouldBeRecursive :: Ctx s -> Node -> ST s Bool
wouldBeRecursive Ctx s
ctx Node
node = [StackEntry s] -> ST s Bool
forall {s}. [StackEntry s] -> ST s Bool
f (Ctx s -> [StackEntry s]
forall s. Ctx s -> [StackEntry s]
cStack Ctx s
ctx)
where
f :: [StackEntry s] -> ST s Bool
f [] = Bool -> ST s Bool
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False
f (StackEntry s
s:[StackEntry s]
rest) = do
res <-
if StackEntry s -> Node
forall s. StackEntry s -> Node
entryPoint StackEntry s
s Node -> Node -> Bool
forall a. Eq a => a -> a -> Bool
== Node
node
then Bool -> ST s Bool
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
True
else [StackEntry s] -> ST s Bool
f [StackEntry s]
rest
modifySTRef (dependencies s) $ S.insert $ DepIsRecursive node res
return res
transfer :: Ctx s -> CFNode -> ST s ()
transfer Ctx s
ctx CFNode
label =
case CFNode
label of
CFNode
CFStructuralNode -> () -> ST s ()
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
CFEntryPoint String
_ -> () -> ST s ()
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
CFNode
CFImpliedExit -> () -> ST s ()
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
CFResolvedExit {} -> () -> ST s ()
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
CFExecuteCommand Maybe String
cmd -> Ctx s -> Maybe String -> ST s ()
forall {s}. Ctx s -> Maybe String -> ST s ()
transferCommand Ctx s
ctx Maybe String
cmd
CFExecuteSubshell String
reason Node
entry Node
exit -> Ctx s -> String -> Node -> Node -> ST s ()
forall {s} {p}. Ctx s -> p -> Node -> Node -> ST s ()
transferSubshell Ctx s
ctx String
reason Node
entry Node
exit
CFApplyEffects [IdTagged CFEffect]
effects -> (IdTagged CFEffect -> ST s ()) -> [IdTagged CFEffect] -> ST s ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> m b) -> t a -> m ()
mapM_ (\(IdTagged Id
_ CFEffect
f) -> Ctx s -> CFEffect -> ST s ()
forall {s}. Ctx s -> CFEffect -> ST s ()
transferEffect Ctx s
ctx CFEffect
f) [IdTagged CFEffect]
effects
CFSetExitCode Id
id -> Ctx s -> Id -> ST s ()
forall {s}. Ctx s -> Id -> ST s ()
transferExitCode Ctx s
ctx Id
id
CFNode
CFUnresolvedExit -> Ctx s -> InternalState -> ST s ()
forall {s}. Ctx s -> InternalState -> ST s ()
patchOutputM Ctx s
ctx InternalState
unreachableState
CFNode
CFUnreachable -> Ctx s -> InternalState -> ST s ()
forall {s}. Ctx s -> InternalState -> ST s ()
patchOutputM Ctx s
ctx InternalState
unreachableState
CFSetBackgroundPid Id
_ -> () -> ST s ()
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
CFDropPrefixAssignments {} ->
STRef s InternalState
-> (InternalState -> InternalState) -> ST s ()
forall s a. STRef s a -> (a -> a) -> ST s ()
modifySTRef (Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cOutput Ctx s
ctx) ((InternalState -> InternalState) -> ST s ())
-> (InternalState -> InternalState) -> ST s ()
forall a b. (a -> b) -> a -> b
$ \InternalState
c -> InternalState -> InternalState
modified InternalState
c { sPrefixValues = vmEmpty }
transferSubshell :: Ctx s -> p -> Node -> Node -> ST s ()
transferSubshell Ctx s
ctx p
reason Node
entry Node
exit = do
let cout :: STRef s InternalState
cout = Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cOutput Ctx s
ctx
initial <- STRef s InternalState -> ST s InternalState
forall s a. STRef s a -> ST s a
readSTRef STRef s InternalState
cout
runCached ctx entry (f entry exit)
res <- readSTRef cout
writeSTRef cout $ initial {
sExitCodes = sExitCodes res
}
where
f :: Node -> Node -> Ctx s -> ST s (Set StateDependency, InternalState)
f Node
entry Node
exit Ctx s
ctx = do
(states, frame) <- Ctx s
-> Node
-> Bool
-> (Ctx s -> ST s (Map Node (InternalState, InternalState)))
-> ST s (Map Node (InternalState, InternalState), StackEntry s)
forall {s} {a}.
Ctx s
-> Node -> Bool -> (Ctx s -> ST s a) -> ST s (a, StackEntry s)
withNewStackFrame Ctx s
ctx Node
entry Bool
False ((Ctx s -> Node -> ST s (Map Node (InternalState, InternalState)))
-> Node -> Ctx s -> ST s (Map Node (InternalState, InternalState))
forall a b c. (a -> b -> c) -> b -> a -> c
flip Ctx s -> Node -> ST s (Map Node (InternalState, InternalState))
forall s.
Ctx s -> Node -> ST s (Map Node (InternalState, InternalState))
dataflow (Node -> Ctx s -> ST s (Map Node (InternalState, InternalState)))
-> Node -> Ctx s -> ST s (Map Node (InternalState, InternalState))
forall a b. (a -> b) -> a -> b
$ Node
entry)
let (_, res) = fromMaybe (error $ pleaseReport "Subshell has no exit") $ M.lookup exit states
deps <- readSTRef $ dependencies frame
registerFlowResult ctx entry states deps
return (deps, res)
transferCommand :: Ctx s -> Maybe String -> ST s ()
transferCommand Ctx s
ctx Maybe String
Nothing = () -> ST s ()
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
transferCommand Ctx s
ctx (Just String
name) = do
targets <- Ctx s -> String -> ST s FunctionValue
forall {s}. Ctx s -> String -> ST s FunctionValue
readFunction Ctx s
ctx String
name
logVerbose ("Transferring ",name,targets)
transferMultiple ctx $ map (flip transferFunctionValue) $ S.toList targets
transferMultiple :: Ctx s -> [Ctx s -> ST s a] -> ST s ()
transferMultiple Ctx s
ctx [Ctx s -> ST s a]
funcs = do
(String, Node) -> ST s ()
forall {m :: * -> *} {p}. Monad m => p -> m ()
logVerbose (String
"Transferring set of ", [Ctx s -> ST s a] -> Node
forall a. [a] -> Node
forall (t :: * -> *) a. Foldable t => t a -> Node
length [Ctx s -> ST s a]
funcs)
original <- STRef s InternalState -> ST s InternalState
forall s a. STRef s a -> ST s a
readSTRef STRef s InternalState
out
branches <- mapM (apply ctx original) funcs
merged <- mergeStates ctx original branches
let patched = InternalState -> InternalState -> InternalState
patchState InternalState
original InternalState
merged
writeSTRef out patched
where
out :: STRef s InternalState
out = Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cOutput Ctx s
ctx
apply :: t -> InternalState -> (t -> ST s a) -> ST s InternalState
apply t
ctx InternalState
original t -> ST s a
f = do
STRef s InternalState -> InternalState -> ST s ()
forall s a. STRef s a -> a -> ST s ()
writeSTRef STRef s InternalState
out InternalState
original
t -> ST s a
f t
ctx
STRef s InternalState -> ST s InternalState
forall s a. STRef s a -> ST s a
readSTRef STRef s InternalState
out
transferFunctionValue :: Ctx s -> FunctionDefinition -> ST s ()
transferFunctionValue Ctx s
ctx FunctionDefinition
funcVal =
case FunctionDefinition
funcVal of
FunctionDefinition
FunctionUnknown -> () -> ST s ()
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
FunctionDefinition String
name Node
entry Node
exit -> do
isRecursive <- Ctx s -> Node -> ST s Bool
forall {s}. Ctx s -> Node -> ST s Bool
wouldBeRecursive Ctx s
ctx Node
entry
if isRecursive
then return ()
else runCached ctx entry (f name entry exit)
where
f :: p
-> Node
-> Node
-> Ctx s
-> ST s (Set StateDependency, InternalState)
f p
name Node
entry Node
exit Ctx s
ctx = do
(states, frame) <- Ctx s
-> Node
-> Bool
-> (Ctx s -> ST s (Map Node (InternalState, InternalState)))
-> ST s (Map Node (InternalState, InternalState), StackEntry s)
forall {s} {a}.
Ctx s
-> Node -> Bool -> (Ctx s -> ST s a) -> ST s (a, StackEntry s)
withNewStackFrame Ctx s
ctx Node
entry Bool
True ((Ctx s -> Node -> ST s (Map Node (InternalState, InternalState)))
-> Node -> Ctx s -> ST s (Map Node (InternalState, InternalState))
forall a b c. (a -> b -> c) -> b -> a -> c
flip Ctx s -> Node -> ST s (Map Node (InternalState, InternalState))
forall s.
Ctx s -> Node -> ST s (Map Node (InternalState, InternalState))
dataflow (Node -> Ctx s -> ST s (Map Node (InternalState, InternalState)))
-> Node -> Ctx s -> ST s (Map Node (InternalState, InternalState))
forall a b. (a -> b) -> a -> b
$ Node
entry)
deps <- readSTRef $ dependencies frame
let res =
case Node
-> Map Node (InternalState, InternalState)
-> Maybe (InternalState, InternalState)
forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup Node
exit Map Node (InternalState, InternalState)
states of
Just (InternalState
input, InternalState
output) -> do
InternalState -> InternalState
modified InternalState
output { sLocalValues = vmEmpty }
Maybe (InternalState, InternalState)
Nothing -> do
unreachableState
registerFlowResult ctx entry states deps
return (deps, res)
transferExitCode :: Ctx s -> Id -> ST s ()
transferExitCode Ctx s
ctx Id
id = do
STRef s InternalState
-> (InternalState -> InternalState) -> ST s ()
forall s a. STRef s a -> (a -> a) -> ST s ()
modifySTRef (Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cOutput Ctx s
ctx) ((InternalState -> InternalState) -> ST s ())
-> (InternalState -> InternalState) -> ST s ()
forall a b. (a -> b) -> a -> b
$ Id -> InternalState -> InternalState
setExitCode Id
id
registerFlowResult :: Ctx s
-> Node
-> Map Node (InternalState, InternalState)
-> Set StateDependency
-> ST s ()
registerFlowResult Ctx s
ctx Node
entry Map Node (InternalState, InternalState)
states Set StateDependency
deps = do
current <- STRef s Node -> ST s Node
forall s a. STRef s a -> ST s a
readSTRef (STRef s Node -> ST s Node) -> STRef s Node -> ST s Node
forall a b. (a -> b) -> a -> b
$ Ctx s -> STRef s Node
forall s. Ctx s -> STRef s Node
cNode Ctx s
ctx
let parents = (StackEntry s -> Node) -> [StackEntry s] -> [Node]
forall a b. (a -> b) -> [a] -> [b]
map StackEntry s -> Node
forall s. StackEntry s -> Node
callSite ([StackEntry s] -> [Node]) -> [StackEntry s] -> [Node]
forall a b. (a -> b) -> a -> b
$ Ctx s -> [StackEntry s]
forall s. Ctx s -> [StackEntry s]
cStack Ctx s
ctx
let path = Node
entry Node -> [Node] -> [Node]
forall a. a -> [a] -> [a]
: Node
current Node -> [Node] -> [Node]
forall a. a -> [a] -> [a]
: [Node]
parents
modifySTRef (cInvocations ctx) $ M.insert path (deps, states)
runCached :: forall s. Ctx s -> Node -> (Ctx s -> ST s (S.Set StateDependency, InternalState)) -> ST s ()
runCached :: forall s.
Ctx s
-> Node
-> (Ctx s -> ST s (Set StateDependency, InternalState))
-> ST s ()
runCached Ctx s
ctx Node
node Ctx s -> ST s (Set StateDependency, InternalState)
f = do
cache <- Ctx s -> Node -> ST s (Maybe InternalState)
forall s. Ctx s -> Node -> ST s (Maybe InternalState)
getCache Ctx s
ctx Node
node
case cache of
Just InternalState
v -> do
(String, Node) -> ST s ()
forall {m :: * -> *} {p}. Monad m => p -> m ()
logInfo (String
"Running cached", Node
node)
Ctx s -> InternalState -> ST s ()
forall {s}. Ctx s -> InternalState -> ST s ()
patchOutputM Ctx s
ctx InternalState
v
Maybe InternalState
Nothing -> do
(String, Node) -> ST s ()
forall {m :: * -> *} {p}. Monad m => p -> m ()
logInfo (String
"Cache failed", Node
node)
(deps, diff) <- Ctx s -> ST s (Set StateDependency, InternalState)
f Ctx s
ctx
modifySTRef (cCache ctx) (M.insertWith (\[(Set StateDependency, InternalState)]
_ [(Set StateDependency, InternalState)]
old -> (Set StateDependency
deps, InternalState
diff)(Set StateDependency, InternalState)
-> [(Set StateDependency, InternalState)]
-> [(Set StateDependency, InternalState)]
forall a. a -> [a] -> [a]
:(Node
-> [(Set StateDependency, InternalState)]
-> [(Set StateDependency, InternalState)]
forall a. Node -> [a] -> [a]
take Node
cacheEntries [(Set StateDependency, InternalState)]
old)) node [(deps,diff)])
logVerbose ("Recomputed cache for", node, deps)
patchOutputM ctx diff
getCache :: forall s. Ctx s -> Node -> ST s (Maybe InternalState)
getCache :: forall s. Ctx s -> Node -> ST s (Maybe InternalState)
getCache Ctx s
ctx Node
node = do
cache <- STRef s (Map Node [(Set StateDependency, InternalState)])
-> ST s (Map Node [(Set StateDependency, InternalState)])
forall s a. STRef s a -> ST s a
readSTRef (STRef s (Map Node [(Set StateDependency, InternalState)])
-> ST s (Map Node [(Set StateDependency, InternalState)]))
-> STRef s (Map Node [(Set StateDependency, InternalState)])
-> ST s (Map Node [(Set StateDependency, InternalState)])
forall a b. (a -> b) -> a -> b
$ Ctx s -> STRef s (Map Node [(Set StateDependency, InternalState)])
forall s.
Ctx s -> STRef s (Map Node [(Set StateDependency, InternalState)])
cCache Ctx s
ctx
enable <- readSTRef $ cEnableCache ctx
logVerbose ("Cache for", node, "length", length $ M.findWithDefault [] node cache, M.lookup node cache)
if enable
then f $ M.findWithDefault [] node cache
else return Nothing
where
f :: [(Set StateDependency, a)] -> ST s (Maybe a)
f [] = Maybe a -> ST s (Maybe a)
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return Maybe a
forall a. Maybe a
Nothing
f ((Set StateDependency
deps, a
value):[(Set StateDependency, a)]
rest) = do
match <- Ctx s -> Node -> Set StateDependency -> ST s Bool
forall {s}. Ctx s -> Node -> Set StateDependency -> ST s Bool
fulfillsDependencies Ctx s
ctx Node
node Set StateDependency
deps
if match
then return $ Just value
else f rest
transferEffect :: Ctx s -> CFEffect -> ST s ()
transferEffect Ctx s
ctx CFEffect
effect =
case CFEffect
effect of
CFReadVariable String
name ->
case String
name of
String
"?" -> ST s (Set Id) -> ST s ()
forall (f :: * -> *) a. Functor f => f a -> f ()
void (ST s (Set Id) -> ST s ()) -> ST s (Set Id) -> ST s ()
forall a b. (a -> b) -> a -> b
$ Ctx s -> ST s (Set Id)
forall {s}. Ctx s -> ST s (Set Id)
readExitCodes Ctx s
ctx
String
_ -> ST s VariableState -> ST s ()
forall (f :: * -> *) a. Functor f => f a -> f ()
void (ST s VariableState -> ST s ()) -> ST s VariableState -> ST s ()
forall a b. (a -> b) -> a -> b
$ Ctx s -> String -> ST s VariableState
forall {s}. Ctx s -> String -> ST s VariableState
readVariable Ctx s
ctx String
name
CFWriteVariable String
name CFValue
value -> do
val <- Ctx s -> CFValue -> ST s VariableValue
forall {s}. Ctx s -> CFValue -> ST s VariableValue
cfValueToVariableValue Ctx s
ctx CFValue
value
updateVariableValue ctx name val
CFWriteGlobal String
name CFValue
value -> do
val <- Ctx s -> CFValue -> ST s VariableValue
forall {s}. Ctx s -> CFValue -> ST s VariableValue
cfValueToVariableValue Ctx s
ctx CFValue
value
updateGlobalValue ctx name val
CFWriteLocal String
name CFValue
value -> do
val <- Ctx s -> CFValue -> ST s VariableValue
forall {s}. Ctx s -> CFValue -> ST s VariableValue
cfValueToVariableValue Ctx s
ctx CFValue
value
updateLocalValue ctx name val
CFWritePrefix String
name CFValue
value -> do
val <- Ctx s -> CFValue -> ST s VariableValue
forall {s}. Ctx s -> CFValue -> ST s VariableValue
cfValueToVariableValue Ctx s
ctx CFValue
value
updatePrefixValue ctx name val
CFSetProps Maybe Scope
scope String
name Set CFVariableProp
props ->
case Maybe Scope
scope of
Maybe Scope
Nothing -> do
state <- Ctx s -> String -> ST s VariableState
forall {s}. Ctx s -> String -> ST s VariableState
readVariable Ctx s
ctx String
name
writeVariable ctx name $ addProperties props state
Just Scope
GlobalScope -> do
state <- Ctx s -> String -> ST s VariableState
forall {s}. Ctx s -> String -> ST s VariableState
readGlobal Ctx s
ctx String
name
writeGlobal ctx name $ addProperties props state
Just Scope
LocalScope -> do
out <- STRef s InternalState -> ST s InternalState
forall s a. STRef s a -> ST s a
readSTRef (Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cOutput Ctx s
ctx)
state <- readLocal ctx name
writeLocal ctx name $ addProperties props state
Just Scope
PrefixScope -> do
state <- Ctx s -> String -> ST s VariableState
forall {s}. Ctx s -> String -> ST s VariableState
readLocal Ctx s
ctx String
name
writeLocal ctx name $ addProperties props state
CFUnsetProps Maybe Scope
scope String
name Set CFVariableProp
props ->
case Maybe Scope
scope of
Maybe Scope
Nothing -> do
state <- Ctx s -> String -> ST s VariableState
forall {s}. Ctx s -> String -> ST s VariableState
readVariable Ctx s
ctx String
name
writeVariable ctx name $ removeProperties props state
Just Scope
GlobalScope -> do
state <- Ctx s -> String -> ST s VariableState
forall {s}. Ctx s -> String -> ST s VariableState
readGlobal Ctx s
ctx String
name
writeGlobal ctx name $ removeProperties props state
Just Scope
LocalScope -> do
out <- STRef s InternalState -> ST s InternalState
forall s a. STRef s a -> ST s a
readSTRef (Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cOutput Ctx s
ctx)
state <- readLocal ctx name
writeLocal ctx name $ removeProperties props state
Just Scope
PrefixScope -> do
state <- Ctx s -> String -> ST s VariableState
forall {s}. Ctx s -> String -> ST s VariableState
readLocal Ctx s
ctx String
name
writeLocal ctx name $ removeProperties props state
CFUndefineVariable String
name -> Ctx s -> String -> ST s ()
forall {s}. Ctx s -> String -> ST s ()
undefineVariable Ctx s
ctx String
name
CFUndefineFunction String
name -> Ctx s -> String -> ST s ()
forall {s}. Ctx s -> String -> ST s ()
undefineFunction Ctx s
ctx String
name
CFUndefine String
name -> do
Ctx s -> String -> ST s ()
forall {s}. Ctx s -> String -> ST s ()
undefineVariable Ctx s
ctx String
name
Ctx s -> String -> ST s ()
forall {s}. Ctx s -> String -> ST s ()
undefineFunction Ctx s
ctx String
name
CFDefineFunction String
name Id
id Node
entry Node
exit ->
Ctx s -> String -> FunctionDefinition -> ST s ()
forall {s}. Ctx s -> String -> FunctionDefinition -> ST s ()
writeFunction Ctx s
ctx String
name (FunctionDefinition -> ST s ()) -> FunctionDefinition -> ST s ()
forall a b. (a -> b) -> a -> b
$ String -> Node -> Node -> FunctionDefinition
FunctionDefinition String
name Node
entry Node
exit
CFUndefineNameref String
name -> Ctx s -> String -> ST s ()
forall {s}. Ctx s -> String -> ST s ()
undefineVariable Ctx s
ctx String
name
CFHintArray String
name -> () -> ST s ()
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
CFHintDefined String
name -> () -> ST s ()
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
cfValueToVariableValue :: Ctx s -> CFValue -> ST s VariableValue
cfValueToVariableValue Ctx s
ctx CFValue
val =
case CFValue
val of
CFValue
CFValueArray -> VariableValue -> ST s VariableValue
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return VariableValue
unknownVariableValue
CFValueComputed Id
_ [CFStringPart]
parts -> (VariableValue -> CFStringPart -> ST s VariableValue)
-> VariableValue -> [CFStringPart] -> ST s VariableValue
forall (t :: * -> *) (m :: * -> *) b a.
(Foldable t, Monad m) =>
(b -> a -> m b) -> b -> t a -> m b
foldM VariableValue -> CFStringPart -> ST s VariableValue
f VariableValue
emptyVariableValue [CFStringPart]
parts
CFValue
CFValueInteger -> VariableValue -> ST s VariableValue
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return VariableValue
unknownIntegerValue
CFValue
CFValueString -> VariableValue -> ST s VariableValue
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return VariableValue
unknownVariableValue
CFValue
CFValueUninitialized -> VariableValue -> ST s VariableValue
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return VariableValue
emptyVariableValue
where
f :: VariableValue -> CFStringPart -> ST s VariableValue
f VariableValue
val CFStringPart
part = do
next <- Ctx s -> CFStringPart -> ST s VariableValue
forall {s}. Ctx s -> CFStringPart -> ST s VariableValue
computeValue Ctx s
ctx CFStringPart
part
return $ val `appendVariableValue` next
computeValue :: Ctx s -> CFStringPart -> ST s VariableValue
computeValue Ctx s
ctx CFStringPart
part =
case CFStringPart
part of
CFStringLiteral String
str -> VariableValue -> ST s VariableValue
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return (VariableValue -> ST s VariableValue)
-> VariableValue -> ST s VariableValue
forall a b. (a -> b) -> a -> b
$ String -> VariableValue
literalToVariableValue String
str
CFStringPart
CFStringInteger -> VariableValue -> ST s VariableValue
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return VariableValue
unknownIntegerValue
CFStringPart
CFStringUnknown -> VariableValue -> ST s VariableValue
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return VariableValue
unknownVariableValue
CFStringVariable String
name -> VariableState -> VariableValue
variableStateToValue (VariableState -> VariableValue)
-> ST s VariableState -> ST s VariableValue
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Ctx s -> String -> ST s VariableState
forall {s}. Ctx s -> String -> ST s VariableState
readVariable Ctx s
ctx String
name
where
variableStateToValue :: VariableState -> VariableValue
variableStateToValue VariableState
state =
case () of
()
_ | (Set CFVariableProp -> Bool) -> Set (Set CFVariableProp) -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
all (CFVariableProp
CFVPInteger CFVariableProp -> Set CFVariableProp -> Bool
forall a. Ord a => a -> Set a -> Bool
`S.member`) (Set (Set CFVariableProp) -> Bool)
-> Set (Set CFVariableProp) -> Bool
forall a b. (a -> b) -> a -> b
$ VariableState -> Set (Set CFVariableProp)
variableProperties VariableState
state -> VariableValue
unknownIntegerValue
()
_ -> VariableState -> VariableValue
variableValue VariableState
state
appendVariableValue :: VariableValue -> VariableValue -> VariableValue
appendVariableValue :: VariableValue -> VariableValue -> VariableValue
appendVariableValue VariableValue
a VariableValue
b =
VariableValue
unknownVariableValue {
literalValue = liftM2 (++) (literalValue a) (literalValue b),
spaceStatus = appendSpaceStatus (spaceStatus a) (spaceStatus b),
numericalStatus = appendNumericalStatus (numericalStatus a) (numericalStatus b)
}
appendSpaceStatus :: SpaceStatus -> SpaceStatus -> SpaceStatus
appendSpaceStatus SpaceStatus
a SpaceStatus
b =
case (SpaceStatus
a,SpaceStatus
b) of
(SpaceStatus
SpaceStatusEmpty, SpaceStatus
_) -> SpaceStatus
b
(SpaceStatus
_, SpaceStatus
SpaceStatusEmpty) -> SpaceStatus
a
(SpaceStatus
SpaceStatusClean, SpaceStatus
SpaceStatusClean) -> SpaceStatus
a
(SpaceStatus, SpaceStatus)
_ ->SpaceStatus
SpaceStatusDirty
appendNumericalStatus :: NumericalStatus -> NumericalStatus -> NumericalStatus
appendNumericalStatus NumericalStatus
a NumericalStatus
b =
case (NumericalStatus
a,NumericalStatus
b) of
(NumericalStatus
NumericalStatusEmpty, NumericalStatus
x) -> NumericalStatus
x
(NumericalStatus
x, NumericalStatus
NumericalStatusEmpty) -> NumericalStatus
x
(NumericalStatus
NumericalStatusDefinitely, NumericalStatus
NumericalStatusDefinitely) -> NumericalStatus
NumericalStatusDefinitely
(NumericalStatus
NumericalStatusUnknown, NumericalStatus
_) -> NumericalStatus
NumericalStatusUnknown
(NumericalStatus
_, NumericalStatus
NumericalStatusUnknown) -> NumericalStatus
NumericalStatusUnknown
(NumericalStatus, NumericalStatus)
_ -> NumericalStatus
NumericalStatusMaybe
unknownIntegerValue :: VariableValue
unknownIntegerValue = VariableValue
unknownVariableValue {
literalValue = Nothing,
spaceStatus = SpaceStatusClean,
numericalStatus = NumericalStatusDefinitely
}
literalToVariableValue :: String -> VariableValue
literalToVariableValue String
str = VariableValue
unknownVariableValue {
literalValue = Just str,
spaceStatus = literalToSpaceStatus str,
numericalStatus = literalToNumericalStatus str
}
withoutChanges :: Ctx s -> ST s b -> ST s b
withoutChanges Ctx s
ctx ST s b
f = do
let inp :: STRef s InternalState
inp = Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cInput Ctx s
ctx
let out :: STRef s InternalState
out = Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cOutput Ctx s
ctx
prevInput <- STRef s InternalState -> ST s InternalState
forall s a. STRef s a -> ST s a
readSTRef STRef s InternalState
inp
prevOutput <- readSTRef out
res <- f
writeSTRef inp prevInput
writeSTRef out prevOutput
return res
literalToSpaceStatus :: String -> SpaceStatus
literalToSpaceStatus String
str =
case String
str of
String
"" -> SpaceStatus
SpaceStatusEmpty
String
_ | (Char -> Bool) -> String -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
all (Char -> String -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`notElem` String
" \t\n*?[") String
str -> SpaceStatus
SpaceStatusClean
String
_ -> SpaceStatus
SpaceStatusDirty
literalToNumericalStatus :: String -> NumericalStatus
literalToNumericalStatus String
str =
case String
str of
String
"" -> NumericalStatus
NumericalStatusEmpty
Char
'-':String
rest -> if String -> Bool
isNumeric String
rest then NumericalStatus
NumericalStatusDefinitely else NumericalStatus
NumericalStatusUnknown
String
rest -> if String -> Bool
isNumeric String
rest then NumericalStatus
NumericalStatusDefinitely else NumericalStatus
NumericalStatusUnknown
where
isNumeric :: String -> Bool
isNumeric = (Char -> Bool) -> String -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
all Char -> Bool
isDigit
type StateMap = M.Map Node (InternalState, InternalState)
dataflow :: forall s. Ctx s -> Node -> ST s StateMap
dataflow :: forall s.
Ctx s -> Node -> ST s (Map Node (InternalState, InternalState))
dataflow Ctx s
ctx Node
entry = do
pending <- Set Node -> ST s (STRef s (Set Node))
forall a s. a -> ST s (STRef s a)
newSTRef (Set Node -> ST s (STRef s (Set Node)))
-> Set Node -> ST s (STRef s (Set Node))
forall a b. (a -> b) -> a -> b
$ Node -> Set Node
forall a. a -> Set a
S.singleton Node
entry
states <- newSTRef $ M.empty
withoutChanges ctx $
f iterationCount pending states
readSTRef states
where
graph :: CFGraph
graph = Ctx s -> CFGraph
forall s. Ctx s -> CFGraph
cGraph Ctx s
ctx
f :: Integer
-> STRef s (Set Node)
-> STRef s (Map Node (InternalState, InternalState))
-> ST s ()
f Integer
0 STRef s (Set Node)
_ STRef s (Map Node (InternalState, InternalState))
_ = String -> ST s ()
forall a. HasCallStack => String -> a
error (String -> ST s ()) -> String -> ST s ()
forall a b. (a -> b) -> a -> b
$ ShowS
pleaseReport String
"DFA did not reach fix point"
f Integer
n STRef s (Set Node)
pending STRef s (Map Node (InternalState, InternalState))
states = do
ps <- STRef s (Set Node) -> ST s (Set Node)
forall s a. STRef s a -> ST s a
readSTRef STRef s (Set Node)
pending
when (n == fallbackThreshold) $ do
logInfo "DFA is not stabilizing! Disabling cache."
writeSTRef (cEnableCache ctx) False
if S.null ps
then return ()
else do
let (next, rest) = S.deleteFindMin ps
nexts <- process states next
writeSTRef pending $ foldl (flip S.insert) rest nexts
f (n-1) pending states
process :: STRef s (Map Node (InternalState, InternalState))
-> Node -> ST s [Node]
process STRef s (Map Node (InternalState, InternalState))
states Node
node = do
stateMap <- STRef s (Map Node (InternalState, InternalState))
-> ST s (Map Node (InternalState, InternalState))
forall s a. STRef s a -> ST s a
readSTRef STRef s (Map Node (InternalState, InternalState))
states
let inputs = (InternalState -> Bool) -> [InternalState] -> [InternalState]
forall a. (a -> Bool) -> [a] -> [a]
filter (\InternalState
c -> InternalState -> Maybe Bool
sIsReachable InternalState
c Maybe Bool -> Maybe Bool -> Bool
forall a. Eq a => a -> a -> Bool
/= Bool -> Maybe Bool
forall a. a -> Maybe a
Just Bool
False) ([InternalState] -> [InternalState])
-> [InternalState] -> [InternalState]
forall a b. (a -> b) -> a -> b
$ (Node -> Maybe InternalState) -> [Node] -> [InternalState]
forall a b. (a -> Maybe b) -> [a] -> [b]
mapMaybe (\Node
c -> ((InternalState, InternalState) -> InternalState)
-> Maybe (InternalState, InternalState) -> Maybe InternalState
forall a b. (a -> b) -> Maybe a -> Maybe b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (InternalState, InternalState) -> InternalState
forall a b. (a, b) -> b
snd (Maybe (InternalState, InternalState) -> Maybe InternalState)
-> Maybe (InternalState, InternalState) -> Maybe InternalState
forall a b. (a -> b) -> a -> b
$ Node
-> Map Node (InternalState, InternalState)
-> Maybe (InternalState, InternalState)
forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup Node
c Map Node (InternalState, InternalState)
stateMap) [Node]
incoming
input <-
case incoming of
[] -> InternalState -> ST s InternalState
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return InternalState
newInternalState
[Node]
_ ->
case [InternalState]
inputs of
[] -> InternalState -> ST s InternalState
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return InternalState
unreachableState
(InternalState
x:[InternalState]
rest) -> (InternalState -> InternalState -> ST s InternalState)
-> InternalState -> [InternalState] -> ST s InternalState
forall (t :: * -> *) (m :: * -> *) b a.
(Foldable t, Monad m) =>
(b -> a -> m b) -> b -> t a -> m b
foldM (Ctx s -> InternalState -> InternalState -> ST s InternalState
forall s.
Ctx s -> InternalState -> InternalState -> ST s InternalState
mergeState Ctx s
ctx) InternalState
x [InternalState]
rest
writeSTRef (cInput ctx) $ input
writeSTRef (cOutput ctx) $ input
writeSTRef (cNode ctx) $ node
transfer ctx label
newOutput <- readSTRef $ cOutput ctx
result <-
if is2plus outgoing
then
versionState ctx newOutput
else return newOutput
writeSTRef states $ M.insert node (input, result) stateMap
case M.lookup node stateMap of
Maybe (InternalState, InternalState)
Nothing -> [Node] -> ST s [Node]
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return [Node]
outgoing
Just (InternalState
oldInput, InternalState
oldOutput) ->
if InternalState
oldOutput InternalState -> InternalState -> Bool
forall a. Eq a => a -> a -> Bool
== InternalState
result
then [Node] -> ST s [Node]
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return []
else [Node] -> ST s [Node]
forall a. a -> ST s a
forall (m :: * -> *) a. Monad m => a -> m a
return [Node]
outgoing
where
(Adj CFEdge
incomingL, Node
_, CFNode
label, Adj CFEdge
outgoingL) = CFGraph -> Node -> (Adj CFEdge, Node, CFNode, Adj CFEdge)
forall (gr :: * -> * -> *) a b.
Graph gr =>
gr a b -> Node -> Context a b
context CFGraph
graph (Node -> (Adj CFEdge, Node, CFNode, Adj CFEdge))
-> Node -> (Adj CFEdge, Node, CFNode, Adj CFEdge)
forall a b. (a -> b) -> a -> b
$ Node
node
incoming :: [Node]
incoming = ((CFEdge, Node) -> Node) -> Adj CFEdge -> [Node]
forall a b. (a -> b) -> [a] -> [b]
map (CFEdge, Node) -> Node
forall a b. (a, b) -> b
snd (Adj CFEdge -> [Node]) -> Adj CFEdge -> [Node]
forall a b. (a -> b) -> a -> b
$ ((CFEdge, Node) -> Bool) -> Adj CFEdge -> Adj CFEdge
forall a. (a -> Bool) -> [a] -> [a]
filter (CFEdge, Node) -> Bool
forall {b}. (CFEdge, b) -> Bool
isRegular (Adj CFEdge -> Adj CFEdge) -> Adj CFEdge -> Adj CFEdge
forall a b. (a -> b) -> a -> b
$ Adj CFEdge
incomingL
outgoing :: [Node]
outgoing = ((CFEdge, Node) -> Node) -> Adj CFEdge -> [Node]
forall a b. (a -> b) -> [a] -> [b]
map (CFEdge, Node) -> Node
forall a b. (a, b) -> b
snd Adj CFEdge
outgoingL
isRegular :: (CFEdge, b) -> Bool
isRegular = ((CFEdge -> CFEdge -> Bool
forall a. Eq a => a -> a -> Bool
== CFEdge
CFEFlow) (CFEdge -> Bool) -> ((CFEdge, b) -> CFEdge) -> (CFEdge, b) -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (CFEdge, b) -> CFEdge
forall a b. (a, b) -> a
fst)
runRoot :: Ctx s -> InternalState -> Node -> Node -> ST s InternalState
runRoot Ctx s
ctx InternalState
env Node
entry Node
exit = do
STRef s InternalState -> InternalState -> ST s ()
forall s a. STRef s a -> a -> ST s ()
writeSTRef (Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cInput Ctx s
ctx) (InternalState -> ST s ()) -> InternalState -> ST s ()
forall a b. (a -> b) -> a -> b
$ InternalState
env
STRef s InternalState -> InternalState -> ST s ()
forall s a. STRef s a -> a -> ST s ()
writeSTRef (Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cOutput Ctx s
ctx) (InternalState -> ST s ()) -> InternalState -> ST s ()
forall a b. (a -> b) -> a -> b
$ InternalState
env
STRef s Node -> Node -> ST s ()
forall s a. STRef s a -> a -> ST s ()
writeSTRef (Ctx s -> STRef s Node
forall s. Ctx s -> STRef s Node
cNode Ctx s
ctx) (Node -> ST s ()) -> Node -> ST s ()
forall a b. (a -> b) -> a -> b
$ Node
entry
(states, frame) <- Ctx s
-> Node
-> Bool
-> (Ctx s -> ST s (Map Node (InternalState, InternalState)))
-> ST s (Map Node (InternalState, InternalState), StackEntry s)
forall {s} {a}.
Ctx s
-> Node -> Bool -> (Ctx s -> ST s a) -> ST s (a, StackEntry s)
withNewStackFrame Ctx s
ctx Node
entry Bool
False ((Ctx s -> ST s (Map Node (InternalState, InternalState)))
-> ST s (Map Node (InternalState, InternalState), StackEntry s))
-> (Ctx s -> ST s (Map Node (InternalState, InternalState)))
-> ST s (Map Node (InternalState, InternalState), StackEntry s)
forall a b. (a -> b) -> a -> b
$ \Ctx s
c -> Ctx s -> Node -> ST s (Map Node (InternalState, InternalState))
forall s.
Ctx s -> Node -> ST s (Map Node (InternalState, InternalState))
dataflow Ctx s
c Node
entry
deps <- readSTRef $ dependencies frame
registerFlowResult ctx entry states deps
return $ snd $ fromMaybe (error $ pleaseReport "Missing exit state") $ M.lookup exit states
analyzeControlFlow :: CFGParameters -> Token -> CFGAnalysis
analyzeControlFlow :: CFGParameters -> Token -> CFGAnalysis
analyzeControlFlow CFGParameters
params Token
t =
let
cfg :: CFGResult
cfg = CFGParameters -> Token -> CFGResult
buildGraph CFGParameters
params Token
t
(Node
entry, Node
exit) = (Node, Node) -> Id -> Map Id (Node, Node) -> (Node, Node)
forall k a. Ord k => a -> k -> Map k a -> a
M.findWithDefault (String -> (Node, Node)
forall a. HasCallStack => String -> a
error (String -> (Node, Node)) -> String -> (Node, Node)
forall a b. (a -> b) -> a -> b
$ ShowS
pleaseReport String
"Missing root") (Token -> Id
getId Token
t) (CFGResult -> Map Id (Node, Node)
cfIdToRange CFGResult
cfg)
in
(forall s. ST s CFGAnalysis) -> CFGAnalysis
forall a. (forall s. ST s a) -> a
runST ((forall s. ST s CFGAnalysis) -> CFGAnalysis)
-> (forall s. ST s CFGAnalysis) -> CFGAnalysis
forall a b. (a -> b) -> a -> b
$ CFGResult -> Node -> Node -> ST s CFGAnalysis
forall {s}. CFGResult -> Node -> Node -> ST s CFGAnalysis
f CFGResult
cfg Node
entry Node
exit
where
f :: CFGResult -> Node -> Node -> ST s CFGAnalysis
f CFGResult
cfg Node
entry Node
exit = do
let env :: InternalState
env = InternalState
createEnvironmentState
ctx <- CFGraph -> ST s (Ctx s)
forall {s}. CFGraph -> ST s (Ctx s)
newCtx (CFGraph -> ST s (Ctx s)) -> CFGraph -> ST s (Ctx s)
forall a b. (a -> b) -> a -> b
$ CFGResult -> CFGraph
cfGraph CFGResult
cfg
exitState <- runRoot ctx env entry exit
invocations <- readSTRef $ cInvocations ctx
let invokedNodes = [(Node, ())] -> Map Node ()
forall k a. [(k, a)] -> Map k a
M.fromDistinctAscList ([(Node, ())] -> Map Node ()) -> [(Node, ())] -> Map Node ()
forall a b. (a -> b) -> a -> b
$ (Node -> (Node, ())) -> [Node] -> [(Node, ())]
forall a b. (a -> b) -> [a] -> [b]
map (\Node
c -> (Node
c, ())) ([Node] -> [(Node, ())]) -> [Node] -> [(Node, ())]
forall a b. (a -> b) -> a -> b
$ Set Node -> [Node]
forall a. Set a -> [a]
S.toList (Set Node -> [Node]) -> Set Node -> [Node]
forall a b. (a -> b) -> a -> b
$ Map Node [(InternalState, InternalState)] -> Set Node
forall k a. Map k a -> Set k
M.keysSet (Map Node [(InternalState, InternalState)] -> Set Node)
-> Map Node [(InternalState, InternalState)] -> Set Node
forall a b. (a -> b) -> a -> b
$ Map [Node] (Map Node (InternalState, InternalState))
-> Map Node [(InternalState, InternalState)]
forall k v. Map k (Map Node v) -> Map Node [v]
groupByNode (Map [Node] (Map Node (InternalState, InternalState))
-> Map Node [(InternalState, InternalState)])
-> Map [Node] (Map Node (InternalState, InternalState))
-> Map Node [(InternalState, InternalState)]
forall a b. (a -> b) -> a -> b
$ ((Set StateDependency, Map Node (InternalState, InternalState))
-> Map Node (InternalState, InternalState))
-> Map
[Node]
(Set StateDependency, Map Node (InternalState, InternalState))
-> Map [Node] (Map Node (InternalState, InternalState))
forall a b k. (a -> b) -> Map k a -> Map k b
M.map (Set StateDependency, Map Node (InternalState, InternalState))
-> Map Node (InternalState, InternalState)
forall a b. (a, b) -> b
snd Map
[Node]
(Set StateDependency, Map Node (InternalState, InternalState))
invocations
let declaredFunctions = InternalState -> Map Node FunctionDefinition
getFunctionTargets InternalState
exitState
let uninvoked = Map Node FunctionDefinition
-> Map Node () -> Map Node FunctionDefinition
forall k a b. Ord k => Map k a -> Map k b -> Map k a
M.difference Map Node FunctionDefinition
declaredFunctions Map Node ()
invokedNodes
let stragglerInput =
(InternalState
env InternalState -> InternalState -> InternalState
`patchState` InternalState
exitState) {
sExitCodes = Nothing
}
analyzeStragglers ctx stragglerInput uninvoked
invocations <- readSTRef $ cInvocations ctx
invokedStates <- flattenByNode ctx $ groupByNode $ M.map addDeps invocations
let baseStates = [(Node, (InternalState, InternalState))]
-> Map Node (InternalState, InternalState)
forall k a. [(k, a)] -> Map k a
M.fromDistinctAscList ([(Node, (InternalState, InternalState))]
-> Map Node (InternalState, InternalState))
-> [(Node, (InternalState, InternalState))]
-> Map Node (InternalState, InternalState)
forall a b. (a -> b) -> a -> b
$ (Node -> (Node, (InternalState, InternalState)))
-> [Node] -> [(Node, (InternalState, InternalState))]
forall a b. (a -> b) -> [a] -> [b]
map (\Node
c -> (Node
c, (InternalState
unreachableState, InternalState
unreachableState))) ([Node] -> [(Node, (InternalState, InternalState))])
-> [Node] -> [(Node, (InternalState, InternalState))]
forall a b. (a -> b) -> a -> b
$ (Node -> Node -> [Node]) -> (Node, Node) -> [Node]
forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry Node -> Node -> [Node]
forall a. Enum a => a -> a -> [a]
enumFromTo ((Node, Node) -> [Node]) -> (Node, Node) -> [Node]
forall a b. (a -> b) -> a -> b
$ CFGraph -> (Node, Node)
forall a b. Gr a b -> (Node, Node)
forall (gr :: * -> * -> *) a b. Graph gr => gr a b -> (Node, Node)
nodeRange (CFGraph -> (Node, Node)) -> CFGraph -> (Node, Node)
forall a b. (a -> b) -> a -> b
$ CFGResult -> CFGraph
cfGraph CFGResult
cfg
let allStates = ((InternalState, InternalState)
-> (InternalState, InternalState)
-> (InternalState, InternalState))
-> Map Node (InternalState, InternalState)
-> Map Node (InternalState, InternalState)
-> Map Node (InternalState, InternalState)
forall k a. Ord k => (a -> a -> a) -> Map k a -> Map k a -> Map k a
M.unionWith (((InternalState, InternalState)
-> (InternalState, InternalState)
-> (InternalState, InternalState))
-> (InternalState, InternalState)
-> (InternalState, InternalState)
-> (InternalState, InternalState)
forall a b c. (a -> b -> c) -> b -> a -> c
flip (InternalState, InternalState)
-> (InternalState, InternalState) -> (InternalState, InternalState)
forall a b. a -> b -> a
const) Map Node (InternalState, InternalState)
baseStates Map Node (InternalState, InternalState)
invokedStates
let nodeToData = ((InternalState, InternalState) -> (ProgramState, ProgramState))
-> Map Node (InternalState, InternalState)
-> Map Node (ProgramState, ProgramState)
forall a b k. (a -> b) -> Map k a -> Map k b
M.map (\(InternalState
a,InternalState
b) -> (InternalState -> ProgramState
internalToExternal InternalState
a, InternalState -> ProgramState
internalToExternal InternalState
b)) Map Node (InternalState, InternalState)
allStates
return $ nodeToData `deepseq` CFGAnalysis {
graph = cfGraph cfg,
tokenToRange = cfIdToRange cfg,
tokenToNodes = cfIdToNodes cfg,
nodeToData = nodeToData,
postDominators = cfPostDominators cfg
}
addDeps :: (S.Set StateDependency, M.Map Node (InternalState, InternalState)) -> M.Map Node (InternalState, InternalState)
addDeps :: (Set StateDependency, Map Node (InternalState, InternalState))
-> Map Node (InternalState, InternalState)
addDeps (Set StateDependency
deps, Map Node (InternalState, InternalState)
m) = let base :: InternalState
base = Set StateDependency -> InternalState
depsToState Set StateDependency
deps in ((InternalState, InternalState) -> (InternalState, InternalState))
-> Map Node (InternalState, InternalState)
-> Map Node (InternalState, InternalState)
forall a b k. (a -> b) -> Map k a -> Map k b
M.map (\(InternalState
a,InternalState
b) -> (InternalState
base InternalState -> InternalState -> InternalState
`patchState` InternalState
a, InternalState
base InternalState -> InternalState -> InternalState
`patchState` InternalState
b)) Map Node (InternalState, InternalState)
m
groupByNode :: forall k v. M.Map k (M.Map Node v) -> M.Map Node [v]
groupByNode :: forall k v. Map k (Map Node v) -> Map Node [v]
groupByNode Map k (Map Node v)
pathMap = ([v] -> [v] -> [v]) -> [(Node, [v])] -> Map Node [v]
forall k a. Ord k => (a -> a -> a) -> [(k, a)] -> Map k a
M.fromListWith [v] -> [v] -> [v]
forall a. [a] -> [a] -> [a]
(++) ([(Node, [v])] -> Map Node [v]) -> [(Node, [v])] -> Map Node [v]
forall a b. (a -> b) -> a -> b
$ ((Node, v) -> (Node, [v])) -> [(Node, v)] -> [(Node, [v])]
forall a b. (a -> b) -> [a] -> [b]
map (\(Node
k,v
v) -> (Node
k,[v
v])) ([(Node, v)] -> [(Node, [v])]) -> [(Node, v)] -> [(Node, [v])]
forall a b. (a -> b) -> a -> b
$ (Map Node v -> [(Node, v)]) -> [Map Node v] -> [(Node, v)]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap Map Node v -> [(Node, v)]
forall k a. Map k a -> [(k, a)]
M.toList ([Map Node v] -> [(Node, v)]) -> [Map Node v] -> [(Node, v)]
forall a b. (a -> b) -> a -> b
$ Map k (Map Node v) -> [Map Node v]
forall k a. Map k a -> [a]
M.elems Map k (Map Node v)
pathMap
flattenByNode :: Ctx s
-> Map k [(InternalState, InternalState)]
-> ST s (Map k (InternalState, InternalState))
flattenByNode Ctx s
ctx Map k [(InternalState, InternalState)]
m = [(k, (InternalState, InternalState))]
-> Map k (InternalState, InternalState)
forall k a. [(k, a)] -> Map k a
M.fromDistinctAscList ([(k, (InternalState, InternalState))]
-> Map k (InternalState, InternalState))
-> ST s [(k, (InternalState, InternalState))]
-> ST s (Map k (InternalState, InternalState))
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (((k, [(InternalState, InternalState)])
-> ST s (k, (InternalState, InternalState)))
-> [(k, [(InternalState, InternalState)])]
-> ST s [(k, (InternalState, InternalState))]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
forall (m :: * -> *) a b. Monad m => (a -> m b) -> [a] -> m [b]
mapM (Ctx s
-> (k, [(InternalState, InternalState)])
-> ST s (k, (InternalState, InternalState))
forall {s} {a}.
Ctx s
-> (a, [(InternalState, InternalState)])
-> ST s (a, (InternalState, InternalState))
mergePair Ctx s
ctx) ([(k, [(InternalState, InternalState)])]
-> ST s [(k, (InternalState, InternalState))])
-> [(k, [(InternalState, InternalState)])]
-> ST s [(k, (InternalState, InternalState))]
forall a b. (a -> b) -> a -> b
$ Map k [(InternalState, InternalState)]
-> [(k, [(InternalState, InternalState)])]
forall k a. Map k a -> [(k, a)]
M.toList Map k [(InternalState, InternalState)]
m)
mergeAllStates :: Ctx s
-> [(InternalState, InternalState)]
-> ST s (InternalState, InternalState)
mergeAllStates Ctx s
ctx [(InternalState, InternalState)]
pairs =
let
([InternalState]
pres, [InternalState]
posts) = [(InternalState, InternalState)]
-> ([InternalState], [InternalState])
forall a b. [(a, b)] -> ([a], [b])
unzip [(InternalState, InternalState)]
pairs
in do
pre <- Ctx s -> InternalState -> [InternalState] -> ST s InternalState
forall s.
Ctx s -> InternalState -> [InternalState] -> ST s InternalState
mergeStates Ctx s
ctx (String -> InternalState
forall a. HasCallStack => String -> a
error (String -> InternalState) -> String -> InternalState
forall a b. (a -> b) -> a -> b
$ ShowS
pleaseReport String
"Null node states") [InternalState]
pres
post <- mergeStates ctx (error $ pleaseReport "Null node states") posts
return (pre, post)
mergePair :: Ctx s
-> (a, [(InternalState, InternalState)])
-> ST s (a, (InternalState, InternalState))
mergePair Ctx s
ctx (a
node, [(InternalState, InternalState)]
list) = do
merged <- Ctx s
-> [(InternalState, InternalState)]
-> ST s (InternalState, InternalState)
forall {s}.
Ctx s
-> [(InternalState, InternalState)]
-> ST s (InternalState, InternalState)
mergeAllStates Ctx s
ctx [(InternalState, InternalState)]
list
return (node, merged)
getFunctionTargets :: InternalState -> M.Map Node FunctionDefinition
getFunctionTargets :: InternalState -> Map Node FunctionDefinition
getFunctionTargets InternalState
state =
let
declaredFuncs :: FunctionValue
declaredFuncs = [FunctionValue] -> FunctionValue
forall (f :: * -> *) a. (Foldable f, Ord a) => f (Set a) -> Set a
S.unions ([FunctionValue] -> FunctionValue)
-> [FunctionValue] -> FunctionValue
forall a b. (a -> b) -> a -> b
$ Map String FunctionValue -> [FunctionValue]
forall k a. Map k a -> [a]
M.elems (Map String FunctionValue -> [FunctionValue])
-> Map String FunctionValue -> [FunctionValue]
forall a b. (a -> b) -> a -> b
$ VersionedMap String FunctionValue -> Map String FunctionValue
forall k v. VersionedMap k v -> Map k v
mapStorage (VersionedMap String FunctionValue -> Map String FunctionValue)
-> VersionedMap String FunctionValue -> Map String FunctionValue
forall a b. (a -> b) -> a -> b
$ InternalState -> VersionedMap String FunctionValue
sFunctionTargets InternalState
state
getFunc :: FunctionDefinition -> Maybe (Node, FunctionDefinition)
getFunc FunctionDefinition
d =
case FunctionDefinition
d of
FunctionDefinition String
_ Node
entry Node
_ -> (Node, FunctionDefinition) -> Maybe (Node, FunctionDefinition)
forall a. a -> Maybe a
Just (Node
entry, FunctionDefinition
d)
FunctionDefinition
_ -> Maybe (Node, FunctionDefinition)
forall a. Maybe a
Nothing
funcs :: [(Node, FunctionDefinition)]
funcs = (FunctionDefinition -> Maybe (Node, FunctionDefinition))
-> [FunctionDefinition] -> [(Node, FunctionDefinition)]
forall a b. (a -> Maybe b) -> [a] -> [b]
mapMaybe FunctionDefinition -> Maybe (Node, FunctionDefinition)
getFunc ([FunctionDefinition] -> [(Node, FunctionDefinition)])
-> [FunctionDefinition] -> [(Node, FunctionDefinition)]
forall a b. (a -> b) -> a -> b
$ FunctionValue -> [FunctionDefinition]
forall a. Set a -> [a]
S.toList FunctionValue
declaredFuncs
in
[(Node, FunctionDefinition)] -> Map Node FunctionDefinition
forall k a. Ord k => [(k, a)] -> Map k a
M.fromList [(Node, FunctionDefinition)]
funcs
analyzeStragglers :: Ctx s -> InternalState -> Map k FunctionDefinition -> ST s ()
analyzeStragglers Ctx s
ctx InternalState
state Map k FunctionDefinition
stragglers = do
(FunctionDefinition -> ST s ()) -> [FunctionDefinition] -> ST s ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> m b) -> t a -> m ()
mapM_ FunctionDefinition -> ST s ()
f ([FunctionDefinition] -> ST s ())
-> [FunctionDefinition] -> ST s ()
forall a b. (a -> b) -> a -> b
$ Map k FunctionDefinition -> [FunctionDefinition]
forall k a. Map k a -> [a]
M.elems Map k FunctionDefinition
stragglers
where
f :: FunctionDefinition -> ST s ()
f def :: FunctionDefinition
def@(FunctionDefinition String
name Node
entry Node
exit) = do
STRef s InternalState -> InternalState -> ST s ()
forall s a. STRef s a -> a -> ST s ()
writeSTRef (Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cInput Ctx s
ctx) InternalState
state
STRef s InternalState -> InternalState -> ST s ()
forall s a. STRef s a -> a -> ST s ()
writeSTRef (Ctx s -> STRef s InternalState
forall s. Ctx s -> STRef s InternalState
cOutput Ctx s
ctx) InternalState
state
STRef s Node -> Node -> ST s ()
forall s a. STRef s a -> a -> ST s ()
writeSTRef (Ctx s -> STRef s Node
forall s. Ctx s -> STRef s Node
cNode Ctx s
ctx) Node
entry
Ctx s -> FunctionDefinition -> ST s ()
forall {s}. Ctx s -> FunctionDefinition -> ST s ()
transferFunctionValue Ctx s
ctx FunctionDefinition
def
return []
runTests :: IO Bool
runTests = $[(String, Property)]
[(String, Property)] -> (Property -> IO Result) -> IO Bool
Property -> IO Result
forall prop. Testable prop => prop -> IO Result
quickCheckResult :: forall prop. Testable prop => prop -> IO Result
runQuickCheckAll :: [(String, Property)] -> (Property -> IO Result) -> IO Bool
quickCheckAll