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Extract Cache into its own module.

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This commit is contained in:
Rob Rix 2017-11-30 19:16:28 -05:00
parent ddecfc41e5
commit 4695e4c544
3 changed files with 58 additions and 46 deletions
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1
semantic-diff.cabal
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@ -38,6 +38,7 @@ library
, Control.Monad.Effect.Trace
-- General datatype definitions & generic algorithms
, Data.Abstract.Address
, Data.Abstract.Cache
, Data.Abstract.Configuration
, Data.Abstract.Environment
, Data.Abstract.Eval

48
src/Abstract/Interpreter/Caching.hs
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@ -14,9 +14,10 @@ import Control.Monad.Effect.Reader
import Control.Monad.Effect.State
import Control.Monad.Effect.Store
import Data.Abstract.Address
import Data.Abstract.Eval
import Data.Abstract.Cache
import Data.Abstract.Configuration
import Data.Abstract.Environment
import Data.Abstract.Eval
import Data.Abstract.FreeVariables
import Data.Abstract.Store
import Data.Abstract.Value
@ -27,26 +28,8 @@ import Data.Maybe
import Data.Pointed
import Data.Semigroup
import qualified Data.Set as Set
import qualified Data.Map as Map
import Data.Term
newtype Cache l t v = Cache { unCache :: Map.Map (Configuration l t v) (Set.Set (v, Store l v)) }
deriving instance (Eq l, Eq t, Eq v, Eq (Cell l v)) => Eq (Cache l t v)
deriving instance (Ord l, Ord t, Ord v, Ord (Cell l v)) => Ord (Cache l t v)
deriving instance (Show l, Show t, Show v, Show (Cell l v)) => Show (Cache l t v)
deriving instance (Ord l, Ord t, Ord v, Ord (Cell l v)) => Monoid (Cache l t v)
cacheLookup :: (Ord l, Ord t, Ord v, Ord (Cell l v)) => Configuration l t v -> Cache l t v -> Maybe (Set.Set (v, Store l v))
cacheLookup key = Map.lookup key . unCache
cacheSet :: (Ord l, Ord t, Ord v, Ord (Cell l v)) => Configuration l t v -> Set.Set (v, Store l v) -> Cache l t v -> Cache l t v
cacheSet = (((Cache .) . (. unCache)) .) . Map.insert
cacheInsert :: (Ord l, Ord t, Ord v, Ord (Cell l v)) => Configuration l t v -> (v, Store l v) -> Cache l t v -> Cache l t v
cacheInsert = (((Cache .) . (. unCache)) .) . (. point) . Map.insertWith (<>)
type CachingInterpreter t v = '[Fresh, Reader (Set.Set (Address (LocationFor v) v)), Reader (Environment (LocationFor v) v), Fail, NonDetEff, State (Store (LocationFor v) v), Reader (Cache (LocationFor v) t v), State (Cache (LocationFor v) t v)]
type CachingResult t v = Final (CachingInterpreter t v) v
@ -173,30 +156,3 @@ mlfp a f = loop a
return x
else
loop x'
instance (Eq l, Eq1 (Cell l)) => Eq2 (Cache l) where
liftEq2 eqT eqV (Cache a) (Cache b) = liftEq2 (liftEq2 eqT eqV) (liftEq (liftEq2 eqV (liftEq eqV))) a b
instance (Eq l, Eq t, Eq1 (Cell l)) => Eq1 (Cache l t) where
liftEq = liftEq2 (==)
instance (Ord l, Ord1 (Cell l)) => Ord2 (Cache l) where
liftCompare2 compareT compareV (Cache a) (Cache b) = liftCompare2 (liftCompare2 compareT compareV) (liftCompare (liftCompare2 compareV (liftCompare compareV))) a b
instance (Ord l, Ord t, Ord1 (Cell l)) => Ord1 (Cache l t) where
liftCompare = liftCompare2 compare
instance (Show l, Show1 (Cell l)) => Show2 (Cache l) where
liftShowsPrec2 spT slT spV slV d = showsUnaryWith (liftShowsPrec2 spKey slKey (liftShowsPrec spPair slPair) (liftShowList spPair slPair)) "Cache" d . unCache
where spKey = liftShowsPrec2 spT slT spV slV
slKey = liftShowList2 spT slT spV slV
spPair = liftShowsPrec2 spV slV spStore slStore
slPair = liftShowList2 spV slV spStore slStore
spStore = liftShowsPrec spV slV
slStore = liftShowList spV slV
instance (Show l, Show t, Show1 (Cell l)) => Show1 (Cache l t) where
liftShowsPrec = liftShowsPrec2 showsPrec showList

55
src/Data/Abstract/Cache.hs Normal file
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@ -0,0 +1,55 @@
{-# LANGUAGE GeneralizedNewtypeDeriving, StandaloneDeriving, UndecidableInstances #-}
module Data.Abstract.Cache where
import Data.Abstract.Address
import Data.Abstract.Configuration
import Data.Abstract.Store
import Data.Functor.Classes
import Data.Pointed
import Data.Semigroup
import Data.Set
import Data.Map as Map
newtype Cache l t v = Cache { unCache :: Map.Map (Configuration l t v) (Set (v, Store l v)) }
deriving instance (Eq l, Eq t, Eq v, Eq (Cell l v)) => Eq (Cache l t v)
deriving instance (Ord l, Ord t, Ord v, Ord (Cell l v)) => Ord (Cache l t v)
deriving instance (Show l, Show t, Show v, Show (Cell l v)) => Show (Cache l t v)
deriving instance (Ord l, Ord t, Ord v, Ord (Cell l v)) => Semigroup (Cache l t v)
deriving instance (Ord l, Ord t, Ord v, Ord (Cell l v)) => Monoid (Cache l t v)
cacheLookup :: (Ord l, Ord t, Ord v, Ord (Cell l v)) => Configuration l t v -> Cache l t v -> Maybe (Set (v, Store l v))
cacheLookup key = Map.lookup key . unCache
cacheSet :: (Ord l, Ord t, Ord v, Ord (Cell l v)) => Configuration l t v -> Set (v, Store l v) -> Cache l t v -> Cache l t v
cacheSet = (((Cache .) . (. unCache)) .) . Map.insert
cacheInsert :: (Ord l, Ord t, Ord v, Ord (Cell l v)) => Configuration l t v -> (v, Store l v) -> Cache l t v -> Cache l t v
cacheInsert = (((Cache .) . (. unCache)) .) . (. point) . Map.insertWith (<>)
instance (Eq l, Eq1 (Cell l)) => Eq2 (Cache l) where
liftEq2 eqT eqV (Cache a) (Cache b) = liftEq2 (liftEq2 eqT eqV) (liftEq (liftEq2 eqV (liftEq eqV))) a b
instance (Eq l, Eq t, Eq1 (Cell l)) => Eq1 (Cache l t) where
liftEq = liftEq2 (==)
instance (Ord l, Ord1 (Cell l)) => Ord2 (Cache l) where
liftCompare2 compareT compareV (Cache a) (Cache b) = liftCompare2 (liftCompare2 compareT compareV) (liftCompare (liftCompare2 compareV (liftCompare compareV))) a b
instance (Ord l, Ord t, Ord1 (Cell l)) => Ord1 (Cache l t) where
liftCompare = liftCompare2 compare
instance (Show l, Show1 (Cell l)) => Show2 (Cache l) where
liftShowsPrec2 spT slT spV slV d = showsUnaryWith (liftShowsPrec2 spKey slKey (liftShowsPrec spPair slPair) (liftShowList spPair slPair)) "Cache" d . unCache
where spKey = liftShowsPrec2 spT slT spV slV
slKey = liftShowList2 spT slT spV slV
spPair = liftShowsPrec2 spV slV spStore slStore
slPair = liftShowList2 spV slV spStore slStore
spStore = liftShowsPrec spV slV
slStore = liftShowList spV slV
instance (Show l, Show t, Show1 (Cell l)) => Show1 (Cache l t) where
liftShowsPrec = liftShowsPrec2 showsPrec showList