{-# LANGUAGE BangPatterns     #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE LambdaCase       #-}
{-# LANGUAGE ViewPatterns     #-}

module PlutusTx.Test.Util.Compiled
    ( Program
    , Term
    , toAnonDeBruijnTerm
    , toAnonDeBruijnProg
    , toNamedDeBruijnTerm
    , compiledCodeToTerm
    , haskellValueToTerm
    , unsafeRunTermCek
    , runTermCek
    , cekResultMatchesHaskellValue
    )
where

import PlutusTx qualified as Tx

import PlutusCore qualified as PLC
import PlutusCore.Default
import PlutusCore.Evaluation.Machine.ExBudgetingDefaults qualified as PLC

import UntypedPlutusCore qualified as UPLC
import UntypedPlutusCore.Evaluation.Machine.Cek as Cek

import Data.Text (Text)

type Term = UPLC.Term PLC.NamedDeBruijn DefaultUni DefaultFun ()
type Program = UPLC.Program PLC.NamedDeBruijn DefaultUni DefaultFun ()

{- | Given a DeBruijn-named term, give every variable the name "v".  If we later
   call unDeBruijn, that will rename the variables to things like "v123", where
   123 is the relevant de Bruijn index.-}
toNamedDeBruijnTerm
    :: UPLC.Term UPLC.DeBruijn DefaultUni DefaultFun ()
    -> UPLC.Term UPLC.NamedDeBruijn DefaultUni DefaultFun ()
toNamedDeBruijnTerm :: Term DeBruijn DefaultUni DefaultFun ()
-> Term NamedDeBruijn DefaultUni DefaultFun ()
toNamedDeBruijnTerm = (DeBruijn -> NamedDeBruijn)
-> Term DeBruijn DefaultUni DefaultFun ()
-> Term NamedDeBruijn DefaultUni DefaultFun ()
forall name name' (uni :: * -> *) fun ann.
(name -> name') -> Term name uni fun ann -> Term name' uni fun ann
UPLC.termMapNames DeBruijn -> NamedDeBruijn
UPLC.fakeNameDeBruijn

{- | Remove the textual names from a NamedDeBruijn term -}
toAnonDeBruijnTerm
    :: Term
    -> UPLC.Term UPLC.DeBruijn DefaultUni DefaultFun ()
toAnonDeBruijnTerm :: Term NamedDeBruijn DefaultUni DefaultFun ()
-> Term DeBruijn DefaultUni DefaultFun ()
toAnonDeBruijnTerm = (NamedDeBruijn -> DeBruijn)
-> Term NamedDeBruijn DefaultUni DefaultFun ()
-> Term DeBruijn DefaultUni DefaultFun ()
forall name name' (uni :: * -> *) fun ann.
(name -> name') -> Term name uni fun ann -> Term name' uni fun ann
UPLC.termMapNames NamedDeBruijn -> DeBruijn
UPLC.unNameDeBruijn

toAnonDeBruijnProg
    :: UPLC.Program UPLC.NamedDeBruijn DefaultUni DefaultFun ()
    -> UPLC.Program UPLC.DeBruijn DefaultUni DefaultFun ()
toAnonDeBruijnProg :: Program NamedDeBruijn DefaultUni DefaultFun ()
-> Program DeBruijn DefaultUni DefaultFun ()
toAnonDeBruijnProg (UPLC.Program () Version
ver Term NamedDeBruijn DefaultUni DefaultFun ()
body) =
    ()
-> Version
-> Term DeBruijn DefaultUni DefaultFun ()
-> Program DeBruijn DefaultUni DefaultFun ()
forall name (uni :: * -> *) fun ann.
ann -> Version -> Term name uni fun ann -> Program name uni fun ann
UPLC.Program () Version
ver (Term DeBruijn DefaultUni DefaultFun ()
 -> Program DeBruijn DefaultUni DefaultFun ())
-> Term DeBruijn DefaultUni DefaultFun ()
-> Program DeBruijn DefaultUni DefaultFun ()
forall a b. (a -> b) -> a -> b
$ Term NamedDeBruijn DefaultUni DefaultFun ()
-> Term DeBruijn DefaultUni DefaultFun ()
toAnonDeBruijnTerm Term NamedDeBruijn DefaultUni DefaultFun ()
body

{- | Just extract the body of a program wrapped in a 'CompiledCodeIn'.  We use this a lot. -}
compiledCodeToTerm
    :: Tx.CompiledCodeIn DefaultUni DefaultFun a -> Term
compiledCodeToTerm :: forall a.
CompiledCodeIn DefaultUni DefaultFun a
-> Term NamedDeBruijn DefaultUni DefaultFun ()
compiledCodeToTerm (CompiledCodeIn DefaultUni DefaultFun a
-> Program NamedDeBruijn DefaultUni DefaultFun ()
forall (uni :: * -> *) fun a.
(Closed uni, Everywhere uni Flat, Flat fun) =>
CompiledCodeIn uni fun a -> Program NamedDeBruijn uni fun ()
Tx.getPlcNoAnn -> UPLC.Program ()
_ Version
_ Term NamedDeBruijn DefaultUni DefaultFun ()
body) = Term NamedDeBruijn DefaultUni DefaultFun ()
body

{- | Lift a Haskell value to a PLC term.  The constraints get a bit out of control
   if we try to do this over an arbitrary universe.-}
haskellValueToTerm
    :: Tx.Lift DefaultUni a => a -> Term
haskellValueToTerm :: forall a.
Lift DefaultUni a =>
a -> Term NamedDeBruijn DefaultUni DefaultFun ()
haskellValueToTerm = CompiledCodeIn DefaultUni DefaultFun a
-> Term NamedDeBruijn DefaultUni DefaultFun ()
forall a.
CompiledCodeIn DefaultUni DefaultFun a
-> Term NamedDeBruijn DefaultUni DefaultFun ()
compiledCodeToTerm (CompiledCodeIn DefaultUni DefaultFun a
 -> Term NamedDeBruijn DefaultUni DefaultFun ())
-> (a -> CompiledCodeIn DefaultUni DefaultFun a)
-> a
-> Term NamedDeBruijn DefaultUni DefaultFun ()
forall b c a. (b -> c) -> (a -> b) -> a -> c
. a -> CompiledCodeIn DefaultUni DefaultFun a
forall (uni :: * -> *) a fun.
(Lift uni a, GEq uni, ThrowableBuiltins uni fun,
 Typecheckable uni fun, Default (CostingPart uni fun),
 Default (BuiltinsInfo uni fun), Default (RewriteRules uni fun),
 Hashable fun) =>
a -> CompiledCodeIn uni fun a
Tx.liftCodeDef

{- | Just run a term to obtain an `EvaluationResult` (used for tests etc.) -}
unsafeRunTermCek :: Term -> EvaluationResult Term
unsafeRunTermCek :: Term NamedDeBruijn DefaultUni DefaultFun ()
-> EvaluationResult (Term NamedDeBruijn DefaultUni DefaultFun ())
unsafeRunTermCek =
    Either
  (EvaluationException
     (MachineError DefaultFun)
     CekUserError
     (Term NamedDeBruijn DefaultUni DefaultFun ()))
  (Term NamedDeBruijn DefaultUni DefaultFun ())
-> EvaluationResult (Term NamedDeBruijn DefaultUni DefaultFun ())
forall structural term operational a.
(PrettyPlc structural, PrettyPlc term, Typeable structural,
 Typeable term) =>
Either (EvaluationException structural operational term) a
-> EvaluationResult a
unsafeToEvaluationResult
        (Either
   (EvaluationException
      (MachineError DefaultFun)
      CekUserError
      (Term NamedDeBruijn DefaultUni DefaultFun ()))
   (Term NamedDeBruijn DefaultUni DefaultFun ())
 -> EvaluationResult (Term NamedDeBruijn DefaultUni DefaultFun ()))
-> (Term NamedDeBruijn DefaultUni DefaultFun ()
    -> Either
         (EvaluationException
            (MachineError DefaultFun)
            CekUserError
            (Term NamedDeBruijn DefaultUni DefaultFun ()))
         (Term NamedDeBruijn DefaultUni DefaultFun ()))
-> Term NamedDeBruijn DefaultUni DefaultFun ()
-> EvaluationResult (Term NamedDeBruijn DefaultUni DefaultFun ())
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (\(Either
  (EvaluationException
     (MachineError DefaultFun)
     CekUserError
     (Term NamedDeBruijn DefaultUni DefaultFun ()))
  (Term NamedDeBruijn DefaultUni DefaultFun ())
res, RestrictingSt
_, [Text]
_) -> Either
  (EvaluationException
     (MachineError DefaultFun)
     CekUserError
     (Term NamedDeBruijn DefaultUni DefaultFun ()))
  (Term NamedDeBruijn DefaultUni DefaultFun ())
res)
        ((Either
    (EvaluationException
       (MachineError DefaultFun)
       CekUserError
       (Term NamedDeBruijn DefaultUni DefaultFun ()))
    (Term NamedDeBruijn DefaultUni DefaultFun ()),
  RestrictingSt, [Text])
 -> Either
      (EvaluationException
         (MachineError DefaultFun)
         CekUserError
         (Term NamedDeBruijn DefaultUni DefaultFun ()))
      (Term NamedDeBruijn DefaultUni DefaultFun ()))
-> (Term NamedDeBruijn DefaultUni DefaultFun ()
    -> (Either
          (EvaluationException
             (MachineError DefaultFun)
             CekUserError
             (Term NamedDeBruijn DefaultUni DefaultFun ()))
          (Term NamedDeBruijn DefaultUni DefaultFun ()),
        RestrictingSt, [Text]))
-> Term NamedDeBruijn DefaultUni DefaultFun ()
-> Either
     (EvaluationException
        (MachineError DefaultFun)
        CekUserError
        (Term NamedDeBruijn DefaultUni DefaultFun ()))
     (Term NamedDeBruijn DefaultUni DefaultFun ())
forall b c a. (b -> c) -> (a -> b) -> a -> c
. MachineParameters
  CekMachineCosts DefaultFun (CekValue DefaultUni DefaultFun ())
-> ExBudgetMode RestrictingSt DefaultUni DefaultFun
-> EmitterMode DefaultUni DefaultFun
-> Term NamedDeBruijn DefaultUni DefaultFun ()
-> (Either
      (EvaluationException
         (MachineError DefaultFun)
         CekUserError
         (Term NamedDeBruijn DefaultUni DefaultFun ()))
      (Term NamedDeBruijn DefaultUni DefaultFun ()),
    RestrictingSt, [Text])
forall (uni :: * -> *) fun ann cost.
ThrowableBuiltins uni fun =>
MachineParameters CekMachineCosts fun (CekValue uni fun ann)
-> ExBudgetMode cost uni fun
-> EmitterMode uni fun
-> NTerm uni fun ann
-> (Either
      (CekEvaluationException NamedDeBruijn uni fun) (NTerm uni fun ()),
    cost, [Text])
runCekDeBruijn MachineParameters
  CekMachineCosts DefaultFun (CekValue DefaultUni DefaultFun ())
forall ann.
Typeable ann =>
MachineParameters
  CekMachineCosts DefaultFun (CekValue DefaultUni DefaultFun ann)
PLC.defaultCekParametersForTesting ExBudgetMode RestrictingSt DefaultUni DefaultFun
forall (uni :: * -> *) fun.
ThrowableBuiltins uni fun =>
ExBudgetMode RestrictingSt uni fun
Cek.restrictingEnormous EmitterMode DefaultUni DefaultFun
forall (uni :: * -> *) fun. EmitterMode uni fun
Cek.noEmitter

-- | Just run a term.
runTermCek ::
    Term ->
    ( Either (CekEvaluationException UPLC.NamedDeBruijn DefaultUni DefaultFun) Term
    , [Text]
    )
runTermCek :: Term NamedDeBruijn DefaultUni DefaultFun ()
-> (Either
      (EvaluationException
         (MachineError DefaultFun)
         CekUserError
         (Term NamedDeBruijn DefaultUni DefaultFun ()))
      (Term NamedDeBruijn DefaultUni DefaultFun ()),
    [Text])
runTermCek =
    (\(Either
  (EvaluationException
     (MachineError DefaultFun)
     CekUserError
     (Term NamedDeBruijn DefaultUni DefaultFun ()))
  (Term NamedDeBruijn DefaultUni DefaultFun ())
res, RestrictingSt
_, [Text]
logs) -> (Either
  (EvaluationException
     (MachineError DefaultFun)
     CekUserError
     (Term NamedDeBruijn DefaultUni DefaultFun ()))
  (Term NamedDeBruijn DefaultUni DefaultFun ())
res, [Text]
logs))
        ((Either
    (EvaluationException
       (MachineError DefaultFun)
       CekUserError
       (Term NamedDeBruijn DefaultUni DefaultFun ()))
    (Term NamedDeBruijn DefaultUni DefaultFun ()),
  RestrictingSt, [Text])
 -> (Either
       (EvaluationException
          (MachineError DefaultFun)
          CekUserError
          (Term NamedDeBruijn DefaultUni DefaultFun ()))
       (Term NamedDeBruijn DefaultUni DefaultFun ()),
     [Text]))
-> (Term NamedDeBruijn DefaultUni DefaultFun ()
    -> (Either
          (EvaluationException
             (MachineError DefaultFun)
             CekUserError
             (Term NamedDeBruijn DefaultUni DefaultFun ()))
          (Term NamedDeBruijn DefaultUni DefaultFun ()),
        RestrictingSt, [Text]))
-> Term NamedDeBruijn DefaultUni DefaultFun ()
-> (Either
      (EvaluationException
         (MachineError DefaultFun)
         CekUserError
         (Term NamedDeBruijn DefaultUni DefaultFun ()))
      (Term NamedDeBruijn DefaultUni DefaultFun ()),
    [Text])
forall b c a. (b -> c) -> (a -> b) -> a -> c
. MachineParameters
  CekMachineCosts DefaultFun (CekValue DefaultUni DefaultFun ())
-> ExBudgetMode RestrictingSt DefaultUni DefaultFun
-> EmitterMode DefaultUni DefaultFun
-> Term NamedDeBruijn DefaultUni DefaultFun ()
-> (Either
      (EvaluationException
         (MachineError DefaultFun)
         CekUserError
         (Term NamedDeBruijn DefaultUni DefaultFun ()))
      (Term NamedDeBruijn DefaultUni DefaultFun ()),
    RestrictingSt, [Text])
forall (uni :: * -> *) fun ann cost.
ThrowableBuiltins uni fun =>
MachineParameters CekMachineCosts fun (CekValue uni fun ann)
-> ExBudgetMode cost uni fun
-> EmitterMode uni fun
-> NTerm uni fun ann
-> (Either
      (CekEvaluationException NamedDeBruijn uni fun) (NTerm uni fun ()),
    cost, [Text])
runCekDeBruijn MachineParameters
  CekMachineCosts DefaultFun (CekValue DefaultUni DefaultFun ())
forall ann.
Typeable ann =>
MachineParameters
  CekMachineCosts DefaultFun (CekValue DefaultUni DefaultFun ann)
PLC.defaultCekParametersForTesting ExBudgetMode RestrictingSt DefaultUni DefaultFun
forall (uni :: * -> *) fun.
ThrowableBuiltins uni fun =>
ExBudgetMode RestrictingSt uni fun
Cek.restrictingEnormous EmitterMode DefaultUni DefaultFun
forall (uni :: * -> *) fun. EmitterMode uni fun
Cek.logEmitter

{- | Evaluate a PLC term and check that the result matches a given Haskell value
   (perhaps obtained by running the Haskell code that the term was compiled
   from).  We evaluate the lifted Haskell value as well, because lifting may
   produce reducible terms. The function is polymorphic in the comparison
   operator so that we can use it with both HUnit Assertions and QuickCheck
   Properties.  -}
cekResultMatchesHaskellValue
    :: Tx.Lift DefaultUni a
    => Term
    -> (EvaluationResult Term -> EvaluationResult Term -> b)
    -> a
    -> b
cekResultMatchesHaskellValue :: forall a b.
Lift DefaultUni a =>
Term NamedDeBruijn DefaultUni DefaultFun ()
-> (EvaluationResult (Term NamedDeBruijn DefaultUni DefaultFun ())
    -> EvaluationResult (Term NamedDeBruijn DefaultUni DefaultFun ())
    -> b)
-> a
-> b
cekResultMatchesHaskellValue Term NamedDeBruijn DefaultUni DefaultFun ()
term EvaluationResult (Term NamedDeBruijn DefaultUni DefaultFun ())
-> EvaluationResult (Term NamedDeBruijn DefaultUni DefaultFun ())
-> b
matches a
value =
    (Term NamedDeBruijn DefaultUni DefaultFun ()
-> EvaluationResult (Term NamedDeBruijn DefaultUni DefaultFun ())
unsafeRunTermCek Term NamedDeBruijn DefaultUni DefaultFun ()
term) EvaluationResult (Term NamedDeBruijn DefaultUni DefaultFun ())
-> EvaluationResult (Term NamedDeBruijn DefaultUni DefaultFun ())
-> b
`matches` (Term NamedDeBruijn DefaultUni DefaultFun ()
-> EvaluationResult (Term NamedDeBruijn DefaultUni DefaultFun ())
unsafeRunTermCek (Term NamedDeBruijn DefaultUni DefaultFun ()
 -> EvaluationResult (Term NamedDeBruijn DefaultUni DefaultFun ()))
-> Term NamedDeBruijn DefaultUni DefaultFun ()
-> EvaluationResult (Term NamedDeBruijn DefaultUni DefaultFun ())
forall a b. (a -> b) -> a -> b
$ a -> Term NamedDeBruijn DefaultUni DefaultFun ()
forall a.
Lift DefaultUni a =>
a -> Term NamedDeBruijn DefaultUni DefaultFun ()
haskellValueToTerm a
value)