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120 lines
4.7 KiB
Haskell
120 lines
4.7 KiB
Haskell
{-# LANGUAGE TypeOperators #-}
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{-# OPTIONS_GHC -fno-warn-missing-signatures #-}
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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 as Abstract
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import qualified Control.Abstract.Heap as Heap
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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.Evaluatable
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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 qualified Data.Abstract.ScopeGraph as ScopeGraph
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import Data.Abstract.Value.Concrete as Value
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import qualified Data.Language as Language
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import qualified Data.Map.Strict as Map
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import Data.Sum
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import SpecHelpers hiding (reassociate)
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import System.IO.Unsafe (unsafePerformIO)
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spec :: Spec
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spec = do
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it "constructs integers" $ do
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(_, (_, (_, expected))) <- evaluate (integer 123)
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expected `shouldBe` Right (Value.Integer (Number.Integer 123))
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it "calls functions" $ do
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(_, (_, (_, expected))) <- evaluate . withLexicalScopeAndFrame $ do
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currentScope' <- currentScope
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let lexicalEdges = Map.singleton Lexical [ currentScope' ]
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x = SpecHelpers.name "x"
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associatedScope <- newScope lexicalEdges
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declare (ScopeGraph.Declaration "identity") Default Public emptySpan ScopeGraph.Function (Just associatedScope)
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withScope associatedScope $ do
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declare (Declaration x) Default Public emptySpan ScopeGraph.RequiredParameter Nothing
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identity <- function "identity" [ x ]
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(SpecEff (Heap.lookupSlot (ScopeGraph.Declaration (SpecHelpers.name "x")) >>= deref)) associatedScope
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val <- integer 123
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call identity [val]
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expected `shouldBe` Right (Value.Integer (Number.Integer 123))
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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" Language.Haskell mempty)
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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 (CurrentScope scopeAddress))
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. raiseHandler (runReader (CurrentFrame 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 @SpecEff
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. runAllocator
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. runReturn
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. runLoopControl
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. runNumeric
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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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(BooleanC Val
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(NumericC Val
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(ErrorC (LoopControl Val)
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(ErrorC (Return Val)
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(AllocatorC Precise
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(DerefC Precise Val
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(ResumableC (BaseError (EvalError SpecEff Precise Val))
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(ResumableC (BaseError (AddressError Precise Val))
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(ResumableC (BaseError (ValueError SpecEff Precise))
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(ResumableC (BaseError (HeapError Precise))
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(ResumableC (BaseError (ScopeError Precise))
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(ReaderC (CurrentFrame Precise)
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(ReaderC (CurrentScope Precise)
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(AllocatorC Precise
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(ReaderC Span
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(StateC Span
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(ReaderC ModuleInfo
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(ReaderC PackageInfo
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(FreshC
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(StateC (Heap Precise Precise Val)
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(StateC (ScopeGraph Precise)
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(TraceByIgnoringC
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(LiftC IO))))))))))))))))))))))))
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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 (Value.String text)))) -> Just (SpecHelpers.name text)
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_ -> error "declaredName for SpecEff should return an RVal"
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