mirror of
https://github.com/github/semantic.git
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202 lines
8.1 KiB
Haskell
202 lines
8.1 KiB
Haskell
{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-# OPTIONS_GHC -fno-warn-orphans #-}
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module SpecHelpers
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( module X
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, runBuilder
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, parseFilePath
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, readFilePathPair
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, runTaskOrDie
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, runParseWithConfig
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, TaskSession(..)
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, testEvaluating
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, toList
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, Config
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, LogQueue
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, StatQueue
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, lookupDeclaration
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, lookupMembers
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, EdgeLabel(..)
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, TestEvaluatingResult
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, TestEvaluatingState
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, evaluateProject
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, moduleLookup
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) where
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import qualified Analysis.File as File
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import Analysis.Name as X
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import Analysis.Project as X
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import Control.Abstract
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import Control.Carrier.Fresh.Strict
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import Control.Carrier.Lift
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import Control.Carrier.Parse.Simple
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import Control.Carrier.Reader as X
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import Control.Carrier.Resumable.Either
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import Control.Carrier.State.Strict
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import qualified Control.Carrier.Trace.Ignoring as Trace.Ignoring
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import Control.Exception (displayException)
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import Control.Monad as X
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import Data.Abstract.Address.Precise as X
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import Data.Abstract.Evaluatable
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import Data.Abstract.FreeVariables as X
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import qualified Data.Abstract.Heap as Heap
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import Data.Abstract.Module as X
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import Data.Abstract.ModuleTable as X hiding (lookup)
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import qualified Data.Abstract.ModuleTable as ModuleTable
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import qualified Data.Abstract.ScopeGraph as ScopeGraph
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import Data.Abstract.Value.Concrete (Value (..), ValueError, runValueError)
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import Data.Blob as X
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import Data.Blob.IO as X
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import Data.ByteString as X (ByteString)
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import Data.ByteString.Builder (Builder, toLazyByteString)
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import Data.ByteString.Lazy (toStrict)
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import Data.Edit as X
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import Data.Foldable (toList)
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import Data.Functor.Listable as X
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import Data.Language as X hiding (Precise)
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import Data.List.NonEmpty as X (NonEmpty (..))
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import Data.Maybe as X
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import Data.Monoid as X (First (..), Last (..), Monoid (..))
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import Data.Proxy as X
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import Data.Semigroup as X (Semigroup (..))
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import Data.Semilattice.Lower as X
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import Data.Sum as Sum
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import Data.Term as X
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import Data.Traversable as X (for)
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import Debug.Trace as X (traceM, traceShowM)
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import Parsing.Parser as X
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import Semantic.Api hiding (Blob, File)
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import Semantic.Config (Config (..), optionsLogLevel)
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import Semantic.Graph (analysisParsers, runHeap, runScopeGraph)
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import Semantic.Task as X
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import Semantic.Telemetry (LogQueue, StatQueue)
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import Semantic.Util as X
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import Source.Range as X hiding (end, point, start)
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import Source.Source as X (Source)
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import Source.Span as X hiding (HasSpan (..), end, point, start)
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import qualified Source.Span
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import System.Exit (die)
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import qualified System.Path as Path
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import Test.Hspec as X (Spec, SpecWith, around, context, describe, it, parallel, pendingWith, runIO, xit)
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import Test.Hspec.Expectations as X
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import Test.Hspec.LeanCheck as X
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import Test.LeanCheck as X
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import Unsafe.Coerce (unsafeCoerce)
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instance Lower X.Span where
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lowerBound = Source.Span.point (Pos 1 1)
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runBuilder :: Builder -> ByteString
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runBuilder = toStrict . toLazyByteString
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-- | Returns an s-expression parse tree for the specified path.
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parseFilePath :: TaskSession -> Path.RelFile -> IO (Either SomeException ByteString)
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parseFilePath session path = do
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blob <- readBlobFromFile (File.fromPath path)
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res <- runTask session . runParse (configTreeSitterParseTimeout (config session)) . runReader defaultLanguageModes $ parseTermBuilder TermSExpression (toList blob)
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pure (runBuilder <$> res)
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runParseWithConfig :: Has (Reader Config) sig m => ParseC m a -> m a
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runParseWithConfig task = asks configTreeSitterParseTimeout >>= \ timeout -> runParse timeout task
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-- | Read two files to a BlobPair.
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readFilePathPair :: Path.RelFile -> Path.RelFile -> IO BlobPair
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readFilePathPair p1 p2 = readFilePair (File.fromPath p1) (File.fromPath p2)
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-- Run a Task and call `die` if it returns an Exception.
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runTaskOrDie :: ParseC TaskC a -> IO a
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runTaskOrDie task = runTaskWithOptions defaultOptions { optionsLogLevel = Nothing } (runParseWithConfig task) >>= either (die . displayException) pure
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type TestEvaluatingC term
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= ResumableC (BaseError (AddressError Precise (Val term)))
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( ResumableC (BaseError (ValueError term Precise))
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( ResumableC (BaseError ResolutionError)
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( ResumableC (BaseError (EvalError term Precise (Val term)))
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( ResumableC (BaseError (HeapError Precise))
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( ResumableC (BaseError (ScopeError Precise))
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( ResumableC (BaseError (UnspecializedError Precise (Val term)))
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( ResumableC (BaseError (LoadError Precise (Val term)))
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( StateC (Heap Precise Precise (Val term))
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( StateC (ScopeGraph Precise)
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( FreshC
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( Trace.Ignoring.TraceC
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( LiftC IO))))))))))))
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type TestEvaluatingErrors term
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= '[ BaseError (AddressError Precise (Val term))
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, BaseError (ValueError term Precise)
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, BaseError ResolutionError
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, BaseError (EvalError term Precise (Val term))
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, BaseError (HeapError Precise)
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, BaseError (ScopeError Precise)
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, BaseError (UnspecializedError Precise (Val term))
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, BaseError (LoadError Precise (Val term))
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]
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type TestEvaluatingState term a
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= ( ScopeGraph Precise
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, ( Heap Precise Precise (Val term)
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, Either (SomeError (Sum.Sum (TestEvaluatingErrors term))) a
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)
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)
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type TestEvaluatingResult term = ModuleTable (Module (ModuleResult Precise (Val term)))
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testEvaluating :: Evaluator term Precise (Val term) (TestEvaluatingC term) a
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-> IO (TestEvaluatingState term a)
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testEvaluating
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= runM
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. Trace.Ignoring.runTrace
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. fmap snd
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. runFresh 0
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. runEvaluator
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. runScopeGraph
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. runHeap
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. fmap reassociate
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. runLoadError
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. runUnspecialized
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. runScopeError
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. runHeapError
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. runEvalError
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. runResolutionError
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. runValueError
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. runAddressError
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type Val term = Value term Precise
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evaluateProject :: (HasPrelude lang, SLanguage lang) => TaskSession -> Proxy lang -> [FilePath] -> IO (TestEvaluatingState term (TestEvaluatingResult term))
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evaluateProject session proxy = case parserForLanguage analysisParsers lang of
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Just (SomeParser parser) -> unsafeCoerce . testEvaluating <=< evaluateProject' session proxy parser
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_ -> error $ "analysis not supported for " <> show lang
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where lang = reflect proxy
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members :: EdgeLabel
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-> Heap Precise Precise (Value term Precise)
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-> ScopeGraph Precise
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-> Value term Precise
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-> Maybe [Name]
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members edgeLabel heap scopeGraph (Data.Abstract.Value.Concrete.Object frame) = frameNames [ edgeLabel ] heap scopeGraph frame
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members edgeLabel heap scopeGraph (Class _ _ frame) = frameNames [ edgeLabel ] heap scopeGraph frame
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members _ _ _ _ = Nothing
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frameNames :: [ EdgeLabel ]
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-> Heap Precise Precise (Value term Precise)
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-> ScopeGraph Precise
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-> Precise
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-> Maybe [ Name ]
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frameNames edge heap scopeGraph frame = do
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scopeAddress <- Heap.scopeLookup frame heap
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scope <- ScopeGraph.lookupScope scopeAddress scopeGraph
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pure (unDeclaration <$> toList (ScopeGraph.declarationNames edge scope scopeGraph))
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lookupMembers :: Name -> EdgeLabel -> (Precise, Precise) -> Heap Precise Precise (Value term Precise) -> ScopeGraph Precise -> Maybe [ Name ]
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lookupMembers name edgeLabel scopeAndFrame heap scopeGraph =
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(lookupDeclaration name scopeAndFrame heap scopeGraph >>= members edgeLabel heap scopeGraph . Prelude.head)
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lookupDeclaration :: Name -> (Precise, Precise) -> Heap Precise Precise (Value term Precise) -> ScopeGraph Precise -> Maybe [ Value term Precise ]
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lookupDeclaration name (currentScope, currentFrame) heap scopeGraph = do
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path <- ScopeGraph.lookupScopePath name currentScope scopeGraph
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frameAddress <- Heap.lookupFrameAddress path currentFrame heap
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toList <$> Heap.getSlotValue (Slot frameAddress (Heap.pathPosition path)) heap
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moduleLookup :: FilePath -> ModuleTable a -> Maybe a
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moduleLookup = ModuleTable.lookup . Path.absRel
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