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https://github.com/anoma/juvix.git
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3c3e442c81
* Adds end-to-end tests for compiling Juvix to Geb * Fixes bugs in the Core-to-Geb translation (`<=` and `let`) * Fixes a bug in the Geb evaluator (equality on integers)
94 lines
4.6 KiB
Haskell
94 lines
4.6 KiB
Haskell
module BackendGeb.FromCore.Base where
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import Base
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import Data.Text.IO qualified as TIO
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import Juvix.Compiler.Backend (Target (TargetGeb))
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import Juvix.Compiler.Backend.Geb qualified as Geb
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import Juvix.Compiler.Core qualified as Core
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import Juvix.Compiler.Pipeline
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import Juvix.Prelude.Pretty
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coreToGebtranslationAssertion ::
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Path Abs File ->
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Path Abs File ->
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(String -> IO ()) ->
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Assertion
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coreToGebtranslationAssertion mainFile expectedFile step = do
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step "Parse Juvix Core file"
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input <- readFile . toFilePath $ mainFile
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cwd <- getCurrentDir
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let entryPoint = (defaultEntryPoint cwd mainFile) {_entryPointTarget = TargetGeb}
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case Core.runParserMain mainFile Core.emptyInfoTable input of
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Left err -> assertFailure . show . pretty $ err
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Right coreInfoTable -> coreToGebTranslationAssertion' coreInfoTable entryPoint expectedFile step
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coreToGebTranslationAssertion' ::
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Core.InfoTable ->
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EntryPoint ->
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Path Abs File ->
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(String -> IO ()) ->
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Assertion
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coreToGebTranslationAssertion' coreInfoTable entryPoint expectedFile step = do
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step "Prepare the Juvix Core node for translation to Geb"
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case run . runReader entryPoint . runError @Geb.JuvixError $ Core.toGeb coreInfoTable of
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Left err ->
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assertFailure . show . pretty $
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fromJuvixError @GenericError err
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Right readyCoreInfoTable -> do
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step "Translate the Juvix Core node to Geb"
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let (translatedMorphism, translatedObj) = Geb.fromCore readyCoreInfoTable
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step "Typecheck the translated Geb node"
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let typeMorph =
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Geb.TypedMorphism
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{ _typedMorphism = translatedMorphism,
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_typedMorphismObject = translatedObj
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}
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case run . runError @Geb.CheckingError $ Geb.check' typeMorph of
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Left err ->
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assertFailure . show . pretty $
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fromJuvixError @GenericError (JuvixError err)
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Right _ -> do
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step "Try evaluating the JuvixCore node"
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let resultCoreEval :: Core.Node = Core.evalInfoTable stderr readyCoreInfoTable
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step "Translate the result of the evaluated JuvixCore node to Geb"
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let (gebCoreEvalResult, _) = Geb.fromCore $ Core.setupMainFunction readyCoreInfoTable resultCoreEval
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case ( Geb.eval' Geb.defaultEvalEnv translatedMorphism,
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Geb.eval' Geb.defaultEvalEnv gebCoreEvalResult
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) of
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(Left err, _) -> do
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step "The evaluation of the translated Geb node failed"
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assertFailure . show . pretty $
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fromJuvixError @GenericError (JuvixError err)
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(_, Left err) -> do
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step "The evaluation of gebCoreEvalResult failed"
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assertFailure . show . pretty $ fromJuvixError @GenericError (JuvixError err)
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( Right resEvalTranslatedMorph,
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Right resEvalGebCoreEvalResult
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) -> do
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step "Compare the geb value of the Core eval output and the Geb eval output"
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if
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| resEvalTranslatedMorph /= resEvalGebCoreEvalResult ->
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assertFailure "The evaluation for the Core node and the Geb node are not equal"
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| otherwise -> do
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let fpath = toFilePath expectedFile
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expectedInput <- TIO.readFile fpath
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step "Compare expected and actual program output"
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let compareEvalOutput morph =
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case Geb.eval' Geb.defaultEvalEnv morph of
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Left err ->
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assertFailure . show . pretty $
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fromJuvixError @GenericError (JuvixError err)
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Right resEvalExpected -> do
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if
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| resEvalTranslatedMorph /= resEvalExpected ->
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assertFailure $
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"The result of evaluating the translated Geb"
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<> "node is not equal to the expected output"
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| otherwise -> assertBool "" True
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case Geb.runParser expectedFile expectedInput of
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Left parseErr -> assertFailure . show . pretty $ parseErr
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Right (Geb.ExpressionMorphism m) -> compareEvalOutput m
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Right (Geb.ExpressionTypedMorphism m) -> compareEvalOutput (m ^. Geb.typedMorphism)
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Right (Geb.ExpressionObject _) ->
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assertFailure "Expected a morphism, but got an object for the expected output"
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