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120 lines
4.5 KiB
Haskell
120 lines
4.5 KiB
Haskell
{-# LANGUAGE TypeOperators #-}
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module Control.Abstract.Evaluator.Spec
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( spec
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) where
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import Control.Abstract
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import Data.Abstract.Address.Precise as Precise
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import Data.Abstract.BaseError
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import Data.Abstract.Environment
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import Data.Abstract.FreeVariables
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import Data.Abstract.Module
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import qualified Data.Abstract.Number as Number
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import Data.Abstract.Package
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import Data.Abstract.Value.Concrete as Value
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import Data.Algebra
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import Data.Bifunctor (first)
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import Data.Functor.Const
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import Data.Sum
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import SpecHelpers hiding (reassociate)
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import Data.Abstract.Ref
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import Data.Abstract.Evaluatable
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import qualified Control.Abstract.Heap as Heap
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import qualified Data.Abstract.ScopeGraph as ScopeGraph
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import Data.Text (pack)
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import System.IO.Unsafe (unsafePerformIO)
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spec :: Spec
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spec = parallel $ do
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it "constructs integers" $ do
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(_, (_, (_, expected))) <- evaluate (rvalBox (integer 123))
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expected `shouldBe` Right (Rval (Value.Integer (Number.Integer 123)))
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it "calls functions" $ do
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(_, (_, (_, expected))) <- evaluate $ do
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withLexicalScopeAndFrame $ do
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declare (ScopeGraph.Declaration "identity") emptySpan Nothing
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valueRef <- function "identity" [ SpecHelpers.name "x", SpecHelpers.name "y" ]
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(SpecEff (LvalMember <$> Heap.lookupDeclaration (ScopeGraph.Declaration (SpecHelpers.name "y"))))
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identity <- value valueRef
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val <- pure (integer 123)
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-- TODO Pass a unit slot to call at the self position
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call identity [val, val]
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slotPosition expected `shouldBe` Just 1
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where
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slotPosition (Right (LvalMember (Slot _ Position{..}))) = Just unPosition
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slotPosition _ = Nothing
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evaluate
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= runM
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. runTraceByIgnoring
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. runState (lowerBound @(ScopeGraph Precise))
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. runState (lowerBound @(Heap Precise Precise Val))
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. runFresh
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. runReader (PackageInfo (SpecHelpers.name "test") mempty)
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. runReader (ModuleInfo "test/Control/Abstract/Evaluator/Spec.hs")
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. evalState (lowerBound @Span)
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. runReader (lowerBound @Span)
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. runEvaluator
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. runAllocator
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. evalModule
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where
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evalModule action = do
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scopeAddress <- newScope mempty
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frameAddress <- newFrame scopeAddress mempty
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val <- raiseHandler (runReader (scopeAddress, frameAddress))
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. fmap reassociate
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. runScopeError
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. runHeapError
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. runValueError
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. runAddressError
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. runEvalError
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. runDeref @Val
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. runAllocator
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. runReturn
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. runLoopControl
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. runBoolean
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. runFunction runSpecEff
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$ action
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pure ((scopeAddress, frameAddress), val)
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reassociate :: Either (SomeError exc1) (Either (SomeError exc2) (Either (SomeError exc3) (Either (SomeError exc4) (Either (SomeError exc5) result)))) -> Either (SomeError (Sum '[exc5, exc4, exc3, exc2, exc1])) result
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reassociate = mergeErrors . mergeErrors . mergeErrors . mergeErrors . mergeErrors . Right
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type Val = Value SpecEff Precise
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newtype SpecEff = SpecEff
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{ runSpecEff :: Evaluator SpecEff Precise Val (FunctionC SpecEff Precise Val
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(Eff (BooleanC Val
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(Eff (ErrorC (LoopControl Precise Val)
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(Eff (ErrorC (Return Precise Val)
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(Eff (AllocatorC Precise
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(Eff (DerefC Precise Val
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(Eff (ResumableC (BaseError (EvalError Precise Val))
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(Eff (ResumableC (BaseError (AddressError Precise Val))
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(Eff (ResumableC (BaseError (ValueError SpecEff Precise))
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(Eff (ResumableC (BaseError (HeapError Precise))
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(Eff (ResumableC (BaseError (ScopeError Precise))
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(Eff (ReaderC (Precise, Precise)
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(Eff (AllocatorC Precise
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(Eff (ReaderC Span
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(Eff (StateC Span
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(Eff (ReaderC ModuleInfo
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(Eff (ReaderC PackageInfo
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(Eff (FreshC
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(Eff (StateC (Heap Precise Precise Val)
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(Eff (StateC (ScopeGraph Precise)
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(Eff (TraceByIgnoringC
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(Eff (LiftC IO)))))))))))))))))))))))))))))))))))))))))))
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(ValueRef Precise Val)
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}
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instance Eq SpecEff where _ == _ = True
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instance Show SpecEff where show _ = "_"
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instance FreeVariables SpecEff where freeVariables _ = lowerBound
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instance Declarations SpecEff where
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declaredName eff =
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case unsafePerformIO (evaluate $ runSpecEff eff) of
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(_, (_, (_, Right (Rval (Value.Symbol text))))) -> Just (SpecHelpers.name text)
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_ -> error "declaredName for SpecEff should return an RVal"
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