{-# LANGUAGE AllowAmbiguousTypes #-}
{-# LANGUAGE CPP #-}
{-# LANGUAGE ConstraintKinds #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE PartialTypeSignatures #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TupleSections #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE UndecidableInstances #-}

{-# OPTIONS_GHC -Wno-orphans #-}
{-# OPTIONS_GHC -fno-warn-name-shadowing #-}


module Nix.Exec where

import           Prelude                 hiding ( putStr
                                                , putStrLn
                                                , print
                                                )

import           Control.Monad.Catch     hiding ( catchJust )
import           Control.Monad.Fix
import           Data.Fix
import qualified Data.HashMap.Lazy             as M
import qualified Data.List.NonEmpty            as NE
import qualified Data.Text                     as Text
import           Nix.Atoms
import           Nix.Cited
import           Nix.Convert
import           Nix.Effects
import           Nix.Eval                      as Eval
import           Nix.Expr
import           Nix.Frames
import           Nix.Options
import           Nix.Pretty
import           Nix.Render
import           Nix.Scope
import           Nix.String
import           Nix.String.Coerce
import           Nix.Thunk
import           Nix.Utils
import           Nix.Value
import           Nix.Value.Equal
import           Nix.Value.Monad
import           Prettyprinter
#ifdef MIN_VERSION_pretty_show
import qualified Text.Show.Pretty              as PS
#endif

#ifdef MIN_VERSION_ghc_datasize
#if MIN_VERSION_ghc_datasize(0,2,0)
import           GHC.DataSize
#endif
#endif

type MonadCited t f m =
  ( HasCitations m (NValue t f m) t
  , HasCitations1 m (NValue t f m) f
  , MonadDataContext f m
  )

nvConstantP
  :: MonadCited t f m
  => Provenance m (NValue t f m)
  -> NAtom
  -> NValue t f m
nvConstantP :: Provenance m (NValue t f m) -> NAtom -> NValue t f m
nvConstantP Provenance m (NValue t f m)
p NAtom
x = Provenance m (NValue t f m) -> NValue t f m -> NValue t f m
forall (m :: * -> *) v a.
HasCitations m v a =>
Provenance m v -> a -> a
addProvenance Provenance m (NValue t f m)
p (NAtom -> NValue t f m
forall (f :: * -> *) t (m :: * -> *).
Applicative f =>
NAtom -> NValue t f m
nvConstant NAtom
x)

nvStrP
  :: MonadCited t f m
  => Provenance m (NValue t f m)
  -> NixString
  -> NValue t f m
nvStrP :: Provenance m (NValue t f m) -> NixString -> NValue t f m
nvStrP Provenance m (NValue t f m)
p NixString
ns = Provenance m (NValue t f m) -> NValue t f m -> NValue t f m
forall (m :: * -> *) v a.
HasCitations m v a =>
Provenance m v -> a -> a
addProvenance Provenance m (NValue t f m)
p (NixString -> NValue t f m
forall (f :: * -> *) t (m :: * -> *).
Applicative f =>
NixString -> NValue t f m
nvStr NixString
ns)

nvPathP
  :: MonadCited t f m
  => Provenance m (NValue t f m)
  -> FilePath
  -> NValue t f m
nvPathP :: Provenance m (NValue t f m) -> FilePath -> NValue t f m
nvPathP Provenance m (NValue t f m)
p FilePath
x = Provenance m (NValue t f m) -> NValue t f m -> NValue t f m
forall (m :: * -> *) v a.
HasCitations m v a =>
Provenance m v -> a -> a
addProvenance Provenance m (NValue t f m)
p (FilePath -> NValue t f m
forall (f :: * -> *) t (m :: * -> *).
Applicative f =>
FilePath -> NValue t f m
nvPath FilePath
x)

nvListP
  :: MonadCited t f m
  => Provenance m (NValue t f m)
  -> [NValue t f m]
  -> NValue t f m
nvListP :: Provenance m (NValue t f m) -> [NValue t f m] -> NValue t f m
nvListP Provenance m (NValue t f m)
p [NValue t f m]
l = Provenance m (NValue t f m) -> NValue t f m -> NValue t f m
forall (m :: * -> *) v a.
HasCitations m v a =>
Provenance m v -> a -> a
addProvenance Provenance m (NValue t f m)
p ([NValue t f m] -> NValue t f m
forall (f :: * -> *) t (m :: * -> *).
Applicative f =>
[NValue t f m] -> NValue t f m
nvList [NValue t f m]
l)

nvSetP
  :: MonadCited t f m
  => Provenance m (NValue t f m)
  -> AttrSet SourcePos
  -> AttrSet (NValue t f m)
  -> NValue t f m
nvSetP :: Provenance m (NValue t f m)
-> AttrSet SourcePos -> AttrSet (NValue t f m) -> NValue t f m
nvSetP Provenance m (NValue t f m)
p AttrSet SourcePos
x AttrSet (NValue t f m)
s = Provenance m (NValue t f m) -> NValue t f m -> NValue t f m
forall (m :: * -> *) v a.
HasCitations m v a =>
Provenance m v -> a -> a
addProvenance Provenance m (NValue t f m)
p (AttrSet SourcePos -> AttrSet (NValue t f m) -> NValue t f m
forall (f :: * -> *) t (m :: * -> *).
Applicative f =>
AttrSet SourcePos -> HashMap Text (NValue t f m) -> NValue t f m
nvSet AttrSet SourcePos
x AttrSet (NValue t f m)
s)

nvClosureP
  :: MonadCited t f m
  => Provenance m (NValue t f m)
  -> Params ()
  -> (NValue t f m -> m (NValue t f m))
  -> NValue t f m
nvClosureP :: Provenance m (NValue t f m)
-> Params () -> (NValue t f m -> m (NValue t f m)) -> NValue t f m
nvClosureP Provenance m (NValue t f m)
p Params ()
x NValue t f m -> m (NValue t f m)
f = Provenance m (NValue t f m) -> NValue t f m -> NValue t f m
forall (m :: * -> *) v a.
HasCitations m v a =>
Provenance m v -> a -> a
addProvenance Provenance m (NValue t f m)
p (Params () -> (NValue t f m -> m (NValue t f m)) -> NValue t f m
forall (f :: * -> *) (m :: * -> *) t.
(Applicative f, Functor m) =>
Params () -> (NValue t f m -> m (NValue t f m)) -> NValue t f m
nvClosure Params ()
x NValue t f m -> m (NValue t f m)
f)

nvBuiltinP
  :: MonadCited t f m
  => Provenance m (NValue t f m)
  -> Text
  -> (NValue t f m -> m (NValue t f m))
  -> NValue t f m
nvBuiltinP :: Provenance m (NValue t f m)
-> Text -> (NValue t f m -> m (NValue t f m)) -> NValue t f m
nvBuiltinP Provenance m (NValue t f m)
p Text
name NValue t f m -> m (NValue t f m)
f = Provenance m (NValue t f m) -> NValue t f m -> NValue t f m
forall (m :: * -> *) v a.
HasCitations m v a =>
Provenance m v -> a -> a
addProvenance Provenance m (NValue t f m)
p (Text -> (NValue t f m -> m (NValue t f m)) -> NValue t f m
forall (f :: * -> *) (m :: * -> *) t.
(Applicative f, Functor m) =>
Text -> (NValue t f m -> m (NValue t f m)) -> NValue t f m
nvBuiltin Text
name NValue t f m -> m (NValue t f m)
f)

type MonadCitedThunks t f m
  = ( MonadThunk t m (NValue t f m)
  , MonadDataErrorContext t f m
  , HasCitations m (NValue t f m) t
  , HasCitations1 m (NValue t f m) f
  )

type MonadNix e t f m
  = ( Has e SrcSpan
  , Has e Options
  , Scoped (NValue t f m) m
  , Framed e m
  , MonadFix m
  , MonadCatch m
  , MonadThrow m
  , Alternative m
  , MonadEffects t f m
  , MonadCitedThunks t f m
  , MonadValue (NValue t f m) m
  )

data ExecFrame t f m = Assertion SrcSpan (NValue t f m)
  deriving (Int -> ExecFrame t f m -> ShowS
[ExecFrame t f m] -> ShowS
ExecFrame t f m -> FilePath
(Int -> ExecFrame t f m -> ShowS)
-> (ExecFrame t f m -> FilePath)
-> ([ExecFrame t f m] -> ShowS)
-> Show (ExecFrame t f m)
forall a.
(Int -> a -> ShowS) -> (a -> FilePath) -> ([a] -> ShowS) -> Show a
forall t (f :: * -> *) (m :: * -> *).
(Comonad f, Show t) =>
Int -> ExecFrame t f m -> ShowS
forall t (f :: * -> *) (m :: * -> *).
(Comonad f, Show t) =>
[ExecFrame t f m] -> ShowS
forall t (f :: * -> *) (m :: * -> *).
(Comonad f, Show t) =>
ExecFrame t f m -> FilePath
showList :: [ExecFrame t f m] -> ShowS
$cshowList :: forall t (f :: * -> *) (m :: * -> *).
(Comonad f, Show t) =>
[ExecFrame t f m] -> ShowS
show :: ExecFrame t f m -> FilePath
$cshow :: forall t (f :: * -> *) (m :: * -> *).
(Comonad f, Show t) =>
ExecFrame t f m -> FilePath
showsPrec :: Int -> ExecFrame t f m -> ShowS
$cshowsPrec :: forall t (f :: * -> *) (m :: * -> *).
(Comonad f, Show t) =>
Int -> ExecFrame t f m -> ShowS
Show, Typeable)

instance MonadDataErrorContext t f m => Exception (ExecFrame t f m)

nverr :: forall e t f s m a . (MonadNix e t f m, Exception s) => s -> m a
nverr :: s -> m a
nverr = forall v (m :: * -> *) s a.
(MonadEval v m, Exception s) =>
s -> m a
forall (m :: * -> *) s a.
(MonadEval (NValue t f m) m, Exception s) =>
s -> m a
evalError @(NValue t f m)

currentPos :: forall e m . (MonadReader e m, Has e SrcSpan) => m SrcSpan
currentPos :: m SrcSpan
currentPos = (e -> SrcSpan) -> m SrcSpan
forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks (FoldLike SrcSpan e e SrcSpan SrcSpan -> e -> SrcSpan
forall a s t b. FoldLike a s t a b -> s -> a
view FoldLike SrcSpan e e SrcSpan SrcSpan
forall a b. Has a b => Lens' a b
hasLens)

wrapExprLoc :: SrcSpan -> NExprLocF r -> NExprLoc
wrapExprLoc :: SrcSpan -> NExprLocF r -> NExprLoc
wrapExprLoc SrcSpan
span NExprLocF r
x = Compose (Ann SrcSpan) NExprF NExprLoc -> NExprLoc
forall (f :: * -> *). f (Fix f) -> Fix f
Fix (Compose (Ann SrcSpan) NExprF NExprLoc -> NExprLoc
forall (f :: * -> *). f (Fix f) -> Fix f
Fix (SrcSpan -> Text -> Compose (Ann SrcSpan) NExprF NExprLoc
forall r. SrcSpan -> Text -> NExprLocF r
NSym_ SrcSpan
span Text
"<?>") NExprLoc -> NExprLocF r -> Compose (Ann SrcSpan) NExprF NExprLoc
forall (f :: * -> *) a b. Functor f => a -> f b -> f a
<$ NExprLocF r
x)
{-# inline wrapExprLoc #-}

--  2021-01-07: NOTE: This instance belongs to be beside MonadEval type class.
-- Currently instance is stuck in orphanage between the requirements to be MonadEval, aka Eval stage, and emposed requirement to be MonadNix (Execution stage). MonadNix constraint tries to put the cart before horse and seems superflous, since Eval in Nix also needs and can throw exceptions. It is between `nverr` and `evalError`.
instance MonadNix e t f m => MonadEval (NValue t f m) m where
  freeVariable :: Text -> m (NValue t f m)
freeVariable Text
var =
    forall e t (f :: * -> *) s (m :: * -> *) a.
(MonadNix e t f m, Exception s) =>
s -> m a
forall s (m :: * -> *) a.
(MonadNix e t f m, Exception s) =>
s -> m a
nverr @e @t @f (ErrorCall -> m (NValue t f m)) -> ErrorCall -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ FilePath -> ErrorCall
ErrorCall (FilePath -> ErrorCall) -> FilePath -> ErrorCall
forall a b. (a -> b) -> a -> b
$ FilePath
"Undefined variable '" FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> Text -> FilePath
forall a. ToString a => a -> FilePath
toString Text
var FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> FilePath
"'"

  synHole :: Text -> m (NValue t f m)
synHole Text
name = do
    SrcSpan
span  <- m SrcSpan
forall e (m :: * -> *).
(MonadReader e m, Has e SrcSpan) =>
m SrcSpan
currentPos
    Scopes m (NValue t f m)
scope <- m (Scopes m (NValue t f m))
forall a (m :: * -> *). Scoped a m => m (Scopes m a)
currentScopes
    forall v (m :: * -> *) s a.
(MonadEval v m, Exception s) =>
s -> m a
forall (m :: * -> *) s a.
(MonadEval (NValue t f m) m, Exception s) =>
s -> m a
evalError @(NValue t f m) (EvalFrame m (NValue t f m) -> m (NValue t f m))
-> EvalFrame m (NValue t f m) -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ SynHoleInfo m (NValue t f m) -> EvalFrame m (NValue t f m)
forall (m :: * -> *) v. SynHoleInfo m v -> EvalFrame m v
SynHole (SynHoleInfo m (NValue t f m) -> EvalFrame m (NValue t f m))
-> SynHoleInfo m (NValue t f m) -> EvalFrame m (NValue t f m)
forall a b. (a -> b) -> a -> b
$
      SynHoleInfo :: forall (m :: * -> *) v. NExprLoc -> Scopes m v -> SynHoleInfo m v
SynHoleInfo
        { _synHoleInfo_expr :: NExprLoc
_synHoleInfo_expr  = Compose (Ann SrcSpan) NExprF NExprLoc -> NExprLoc
forall (f :: * -> *). f (Fix f) -> Fix f
Fix (Compose (Ann SrcSpan) NExprF NExprLoc -> NExprLoc)
-> Compose (Ann SrcSpan) NExprF NExprLoc -> NExprLoc
forall a b. (a -> b) -> a -> b
$ SrcSpan -> Text -> Compose (Ann SrcSpan) NExprF NExprLoc
forall r. SrcSpan -> Text -> NExprLocF r
NSynHole_ SrcSpan
span Text
name
        , _synHoleInfo_scope :: Scopes m (NValue t f m)
_synHoleInfo_scope = Scopes m (NValue t f m)
scope
        }


  attrMissing :: NonEmpty Text -> Maybe (NValue t f m) -> m (NValue t f m)
attrMissing NonEmpty Text
ks Maybe (NValue t f m)
ms =
    forall v (m :: * -> *) s a.
(MonadEval v m, Exception s) =>
s -> m a
forall (m :: * -> *) s a.
(MonadEval (NValue t f m) m, Exception s) =>
s -> m a
evalError @(NValue t f m) (ErrorCall -> m (NValue t f m)) -> ErrorCall -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ FilePath -> ErrorCall
ErrorCall (FilePath -> ErrorCall) -> FilePath -> ErrorCall
forall a b. (a -> b) -> a -> b
$ Text -> FilePath
forall a. ToString a => a -> FilePath
toString (Text -> FilePath) -> Text -> FilePath
forall a b. (a -> b) -> a -> b
$
      Text -> (NValue t f m -> Text) -> Maybe (NValue t f m) -> Text
forall b a. b -> (a -> b) -> Maybe a -> b
maybe
        (Text
"Inheriting unknown attribute: " Text -> Text -> Text
forall a. Semigroup a => a -> a -> a
<> Text
attr)
        (\ NValue t f m
s ->
          Text
"Could not look up attribute " Text -> Text -> Text
forall a. Semigroup a => a -> a -> a
<> Text
attr Text -> Text -> Text
forall a. Semigroup a => a -> a -> a
<> Text
" in " Text -> Text -> Text
forall a. Semigroup a => a -> a -> a
<> Doc Any -> Text
forall b a. (Show a, IsString b) => a -> b
show (NValue t f m -> Doc Any
forall t (f :: * -> *) (m :: * -> *) ann.
MonadDataContext f m =>
NValue t f m -> Doc ann
prettyNValue NValue t f m
s)
        )
        Maybe (NValue t f m)
ms
       where
        attr :: Text
attr = Text -> [Text] -> Text
Text.intercalate Text
"." (NonEmpty Text -> [Text]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty Text
ks)

  evalCurPos :: m (NValue t f m)
evalCurPos = do
    Scopes m (NValue t f m)
scope                  <- m (Scopes m (NValue t f m))
forall a (m :: * -> *). Scoped a m => m (Scopes m a)
currentScopes
    span :: SrcSpan
span@(SrcSpan SourcePos
delta SourcePos
_) <- m SrcSpan
forall e (m :: * -> *).
(MonadReader e m, Has e SrcSpan) =>
m SrcSpan
currentPos
    Provenance m (NValue t f m) -> NValue t f m -> NValue t f m
forall (m :: * -> *) v a.
HasCitations m v a =>
Provenance m v -> a -> a
addProvenance @_ @_ @(NValue t f m)
      (Scopes m (NValue t f m)
-> NExprLocF (Maybe (NValue t f m)) -> Provenance m (NValue t f m)
forall (m :: * -> *) v.
Scopes m v -> NExprLocF (Maybe v) -> Provenance m v
Provenance Scopes m (NValue t f m)
scope (SrcSpan -> Text -> NExprLocF (Maybe (NValue t f m))
forall r. SrcSpan -> Text -> NExprLocF r
NSym_ SrcSpan
span Text
"__curPos")) (NValue t f m -> NValue t f m)
-> m (NValue t f m) -> m (NValue t f m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$>
        SourcePos -> m (NValue t f m)
forall a (m :: * -> *) v. ToValue a m v => a -> m v
toValue SourcePos
delta

  evaledSym :: Text -> NValue t f m -> m (NValue t f m)
evaledSym Text
name NValue t f m
val = do
    Scopes m (NValue t f m)
scope <- m (Scopes m (NValue t f m))
forall a (m :: * -> *). Scoped a m => m (Scopes m a)
currentScopes
    SrcSpan
span  <- m SrcSpan
forall e (m :: * -> *).
(MonadReader e m, Has e SrcSpan) =>
m SrcSpan
currentPos
    pure $
      Provenance m (NValue t f m) -> NValue t f m -> NValue t f m
forall (m :: * -> *) v a.
HasCitations m v a =>
Provenance m v -> a -> a
addProvenance @_ @_ @(NValue t f m)
        (Scopes m (NValue t f m)
-> NExprLocF (Maybe (NValue t f m)) -> Provenance m (NValue t f m)
forall (m :: * -> *) v.
Scopes m v -> NExprLocF (Maybe v) -> Provenance m v
Provenance Scopes m (NValue t f m)
scope (SrcSpan -> Text -> NExprLocF (Maybe (NValue t f m))
forall r. SrcSpan -> Text -> NExprLocF r
NSym_ SrcSpan
span Text
name))
        NValue t f m
val

  evalConstant :: NAtom -> m (NValue t f m)
evalConstant NAtom
c = do
    Scopes m (NValue t f m)
scope <- m (Scopes m (NValue t f m))
forall a (m :: * -> *). Scoped a m => m (Scopes m a)
currentScopes
    SrcSpan
span  <- m SrcSpan
forall e (m :: * -> *).
(MonadReader e m, Has e SrcSpan) =>
m SrcSpan
currentPos
    pure $ Provenance m (NValue t f m) -> NAtom -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> NAtom -> NValue t f m
nvConstantP (Scopes m (NValue t f m)
-> NExprLocF (Maybe (NValue t f m)) -> Provenance m (NValue t f m)
forall (m :: * -> *) v.
Scopes m v -> NExprLocF (Maybe v) -> Provenance m v
Provenance Scopes m (NValue t f m)
scope (SrcSpan -> NAtom -> NExprLocF (Maybe (NValue t f m))
forall r. SrcSpan -> NAtom -> NExprLocF r
NConstant_ SrcSpan
span NAtom
c)) NAtom
c

  evalString :: NString (m (NValue t f m)) -> m (NValue t f m)
evalString =
    m (NValue t f m)
-> (NixString -> m (NValue t f m))
-> Maybe NixString
-> m (NValue t f m)
forall b a. b -> (a -> b) -> Maybe a -> b
maybe
      (ErrorCall -> m (NValue t f m)
forall e t (f :: * -> *) s (m :: * -> *) a.
(MonadNix e t f m, Exception s) =>
s -> m a
nverr (ErrorCall -> m (NValue t f m)) -> ErrorCall -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ FilePath -> ErrorCall
ErrorCall FilePath
"Failed to assemble string")
      (\ NixString
ns ->
        do
          Scopes m (NValue t f m)
scope <- m (Scopes m (NValue t f m))
forall a (m :: * -> *). Scoped a m => m (Scopes m a)
currentScopes
          SrcSpan
span  <- m SrcSpan
forall e (m :: * -> *).
(MonadReader e m, Has e SrcSpan) =>
m SrcSpan
currentPos
          pure $
            Provenance m (NValue t f m) -> NixString -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> NixString -> NValue t f m
nvStrP
              (Scopes m (NValue t f m)
-> NExprLocF (Maybe (NValue t f m)) -> Provenance m (NValue t f m)
forall (m :: * -> *) v.
Scopes m v -> NExprLocF (Maybe v) -> Provenance m v
Provenance
                Scopes m (NValue t f m)
scope
                (SrcSpan
-> NString (Maybe (NValue t f m))
-> NExprLocF (Maybe (NValue t f m))
forall r. SrcSpan -> NString r -> NExprLocF r
NStr_ SrcSpan
span ([Antiquoted Text (Maybe (NValue t f m))]
-> NString (Maybe (NValue t f m))
forall r. [Antiquoted Text r] -> NString r
DoubleQuoted [Text -> Antiquoted Text (Maybe (NValue t f m))
forall v r. v -> Antiquoted v r
Plain (NixString -> Text
stringIgnoreContext NixString
ns)]))
              )
              NixString
ns
      )
      (Maybe NixString -> m (NValue t f m))
-> (NString (m (NValue t f m)) -> m (Maybe NixString))
-> NString (m (NValue t f m))
-> m (NValue t f m)
forall (m :: * -> *) b c a.
Monad m =>
(b -> m c) -> (a -> m b) -> a -> m c
<=< NString (m (NValue t f m)) -> m (Maybe NixString)
forall v (m :: * -> *).
(MonadEval v m, FromValue NixString m v) =>
NString (m v) -> m (Maybe NixString)
assembleString

  evalLiteralPath :: FilePath -> m (NValue t f m)
evalLiteralPath FilePath
p = do
    Scopes m (NValue t f m)
scope <- m (Scopes m (NValue t f m))
forall a (m :: * -> *). Scoped a m => m (Scopes m a)
currentScopes
    SrcSpan
span  <- m SrcSpan
forall e (m :: * -> *).
(MonadReader e m, Has e SrcSpan) =>
m SrcSpan
currentPos
    Provenance m (NValue t f m) -> FilePath -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> FilePath -> NValue t f m
nvPathP (Scopes m (NValue t f m)
-> NExprLocF (Maybe (NValue t f m)) -> Provenance m (NValue t f m)
forall (m :: * -> *) v.
Scopes m v -> NExprLocF (Maybe v) -> Provenance m v
Provenance Scopes m (NValue t f m)
scope (SrcSpan -> FilePath -> NExprLocF (Maybe (NValue t f m))
forall r. SrcSpan -> FilePath -> NExprLocF r
NLiteralPath_ SrcSpan
span FilePath
p)) (FilePath -> NValue t f m) -> m FilePath -> m (NValue t f m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$>
      FilePath -> m FilePath
forall t (f :: * -> *) (m :: * -> *).
MonadEffects t f m =>
FilePath -> m FilePath
makeAbsolutePath @t @f @m FilePath
p

  evalEnvPath :: FilePath -> m (NValue t f m)
evalEnvPath FilePath
p = do
    Scopes m (NValue t f m)
scope <- m (Scopes m (NValue t f m))
forall a (m :: * -> *). Scoped a m => m (Scopes m a)
currentScopes
    SrcSpan
span  <- m SrcSpan
forall e (m :: * -> *).
(MonadReader e m, Has e SrcSpan) =>
m SrcSpan
currentPos
    Provenance m (NValue t f m) -> FilePath -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> FilePath -> NValue t f m
nvPathP (Scopes m (NValue t f m)
-> NExprLocF (Maybe (NValue t f m)) -> Provenance m (NValue t f m)
forall (m :: * -> *) v.
Scopes m v -> NExprLocF (Maybe v) -> Provenance m v
Provenance Scopes m (NValue t f m)
scope (SrcSpan -> FilePath -> NExprLocF (Maybe (NValue t f m))
forall r. SrcSpan -> FilePath -> NExprLocF r
NEnvPath_ SrcSpan
span FilePath
p)) (FilePath -> NValue t f m) -> m FilePath -> m (NValue t f m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$>
      FilePath -> m FilePath
forall t (f :: * -> *) (m :: * -> *).
MonadEffects t f m =>
FilePath -> m FilePath
findEnvPath @t @f @m FilePath
p

  evalUnary :: NUnaryOp -> NValue t f m -> m (NValue t f m)
evalUnary NUnaryOp
op NValue t f m
arg = do
    Scopes m (NValue t f m)
scope <- m (Scopes m (NValue t f m))
forall a (m :: * -> *). Scoped a m => m (Scopes m a)
currentScopes
    SrcSpan
span  <- m SrcSpan
forall e (m :: * -> *).
(MonadReader e m, Has e SrcSpan) =>
m SrcSpan
currentPos
    Scopes m (NValue t f m)
-> SrcSpan -> NUnaryOp -> NValue t f m -> m (NValue t f m)
forall e (m :: * -> *) t (f :: * -> *).
(Framed e m, MonadCited t f m, Show t) =>
Scopes m (NValue t f m)
-> SrcSpan -> NUnaryOp -> NValue t f m -> m (NValue t f m)
execUnaryOp Scopes m (NValue t f m)
scope SrcSpan
span NUnaryOp
op NValue t f m
arg

  evalBinary :: NBinaryOp -> NValue t f m -> m (NValue t f m) -> m (NValue t f m)
evalBinary NBinaryOp
op NValue t f m
larg m (NValue t f m)
rarg = do
    Scopes m (NValue t f m)
scope <- m (Scopes m (NValue t f m))
forall a (m :: * -> *). Scoped a m => m (Scopes m a)
currentScopes
    SrcSpan
span  <- m SrcSpan
forall e (m :: * -> *).
(MonadReader e m, Has e SrcSpan) =>
m SrcSpan
currentPos
    Scopes m (NValue t f m)
-> SrcSpan
-> NBinaryOp
-> NValue t f m
-> m (NValue t f m)
-> m (NValue t f m)
forall e t (f :: * -> *) (m :: * -> *).
(MonadNix e t f m, MonadEval (NValue t f m) m) =>
Scopes m (NValue t f m)
-> SrcSpan
-> NBinaryOp
-> NValue t f m
-> m (NValue t f m)
-> m (NValue t f m)
execBinaryOp Scopes m (NValue t f m)
scope SrcSpan
span NBinaryOp
op NValue t f m
larg m (NValue t f m)
rarg

  evalWith :: m (NValue t f m) -> m (NValue t f m) -> m (NValue t f m)
evalWith m (NValue t f m)
c m (NValue t f m)
b = do
    Scopes m (NValue t f m)
scope <- m (Scopes m (NValue t f m))
forall a (m :: * -> *). Scoped a m => m (Scopes m a)
currentScopes
    SrcSpan
span  <- m SrcSpan
forall e (m :: * -> *).
(MonadReader e m, Has e SrcSpan) =>
m SrcSpan
currentPos
    (\NValue t f m
b -> Provenance m (NValue t f m) -> NValue t f m -> NValue t f m
forall (m :: * -> *) v a.
HasCitations m v a =>
Provenance m v -> a -> a
addProvenance (Scopes m (NValue t f m)
-> NExprLocF (Maybe (NValue t f m)) -> Provenance m (NValue t f m)
forall (m :: * -> *) v.
Scopes m v -> NExprLocF (Maybe v) -> Provenance m v
Provenance Scopes m (NValue t f m)
scope (SrcSpan
-> Maybe (NValue t f m)
-> Maybe (NValue t f m)
-> NExprLocF (Maybe (NValue t f m))
forall r. SrcSpan -> r -> r -> NExprLocF r
NWith_ SrcSpan
span Maybe (NValue t f m)
forall a. Maybe a
Nothing (NValue t f m -> Maybe (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure NValue t f m
b))) NValue t f m
b)
      (NValue t f m -> NValue t f m)
-> m (NValue t f m) -> m (NValue t f m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> m (NValue t f m) -> m (NValue t f m) -> m (NValue t f m)
forall v (m :: * -> *). MonadNixEval v m => m v -> m v -> m v
evalWithAttrSet m (NValue t f m)
c m (NValue t f m)
b

  evalIf :: NValue t f m
-> m (NValue t f m) -> m (NValue t f m) -> m (NValue t f m)
evalIf NValue t f m
c m (NValue t f m)
t m (NValue t f m)
f = do
    Scopes m (NValue t f m)
scope <- m (Scopes m (NValue t f m))
forall a (m :: * -> *). Scoped a m => m (Scopes m a)
currentScopes
    SrcSpan
span  <- m SrcSpan
forall e (m :: * -> *).
(MonadReader e m, Has e SrcSpan) =>
m SrcSpan
currentPos
    Bool
b <- NValue t f m -> m Bool
forall a (m :: * -> *) v. FromValue a m v => v -> m a
fromValue NValue t f m
c

    let
      fun :: Maybe (NValue t f m)
-> Maybe (NValue t f m) -> NValue t f m -> NValue t f m
fun Maybe (NValue t f m)
x Maybe (NValue t f m)
y = Provenance m (NValue t f m) -> NValue t f m -> NValue t f m
forall (m :: * -> *) v a.
HasCitations m v a =>
Provenance m v -> a -> a
addProvenance (Scopes m (NValue t f m)
-> NExprLocF (Maybe (NValue t f m)) -> Provenance m (NValue t f m)
forall (m :: * -> *) v.
Scopes m v -> NExprLocF (Maybe v) -> Provenance m v
Provenance Scopes m (NValue t f m)
scope (SrcSpan
-> Maybe (NValue t f m)
-> Maybe (NValue t f m)
-> Maybe (NValue t f m)
-> NExprLocF (Maybe (NValue t f m))
forall r. SrcSpan -> r -> r -> r -> NExprLocF r
NIf_ SrcSpan
span (NValue t f m -> Maybe (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure NValue t f m
c) Maybe (NValue t f m)
x Maybe (NValue t f m)
y))

    m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m)
forall a. a -> a -> Bool -> a
bool
      ( (\ NValue t f m
f' -> Maybe (NValue t f m)
-> Maybe (NValue t f m) -> NValue t f m -> NValue t f m
fun Maybe (NValue t f m)
forall a. Maybe a
Nothing     (NValue t f m -> Maybe (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure NValue t f m
f') NValue t f m
f') (NValue t f m -> NValue t f m)
-> m (NValue t f m) -> m (NValue t f m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> m (NValue t f m)
f )
      ( (\ NValue t f m
t' -> Maybe (NValue t f m)
-> Maybe (NValue t f m) -> NValue t f m -> NValue t f m
fun (NValue t f m -> Maybe (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure NValue t f m
t') Maybe (NValue t f m)
forall a. Maybe a
Nothing     NValue t f m
t') (NValue t f m -> NValue t f m)
-> m (NValue t f m) -> m (NValue t f m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> m (NValue t f m)
t )
      Bool
b

  evalAssert :: NValue t f m -> m (NValue t f m) -> m (NValue t f m)
evalAssert NValue t f m
c m (NValue t f m)
body =
    do
      SrcSpan
span <- m SrcSpan
forall e (m :: * -> *).
(MonadReader e m, Has e SrcSpan) =>
m SrcSpan
currentPos
      Bool
b <- NValue t f m -> m Bool
forall a (m :: * -> *) v. FromValue a m v => v -> m a
fromValue NValue t f m
c
      m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m)
forall a. a -> a -> Bool -> a
bool
        (ExecFrame t f m -> m (NValue t f m)
forall e t (f :: * -> *) s (m :: * -> *) a.
(MonadNix e t f m, Exception s) =>
s -> m a
nverr (ExecFrame t f m -> m (NValue t f m))
-> ExecFrame t f m -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ SrcSpan -> NValue t f m -> ExecFrame t f m
forall t (f :: * -> *) (m :: * -> *).
SrcSpan -> NValue t f m -> ExecFrame t f m
Assertion SrcSpan
span NValue t f m
c)
        (do
          Scopes m (NValue t f m)
scope <- m (Scopes m (NValue t f m))
forall a (m :: * -> *). Scoped a m => m (Scopes m a)
currentScopes
          (\NValue t f m
b ->
              Provenance m (NValue t f m) -> NValue t f m -> NValue t f m
forall (m :: * -> *) v a.
HasCitations m v a =>
Provenance m v -> a -> a
addProvenance (Scopes m (NValue t f m)
-> NExprLocF (Maybe (NValue t f m)) -> Provenance m (NValue t f m)
forall (m :: * -> *) v.
Scopes m v -> NExprLocF (Maybe v) -> Provenance m v
Provenance Scopes m (NValue t f m)
scope (SrcSpan
-> Maybe (NValue t f m)
-> Maybe (NValue t f m)
-> NExprLocF (Maybe (NValue t f m))
forall r. SrcSpan -> r -> r -> NExprLocF r
NAssert_ SrcSpan
span (NValue t f m -> Maybe (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure NValue t f m
c) (NValue t f m -> Maybe (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure NValue t f m
b))) NValue t f m
b
            ) (NValue t f m -> NValue t f m)
-> m (NValue t f m) -> m (NValue t f m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$>
            m (NValue t f m)
body
        )
        Bool
b

  evalApp :: NValue t f m -> m (NValue t f m) -> m (NValue t f m)
evalApp NValue t f m
f m (NValue t f m)
x = do
    Scopes m (NValue t f m)
scope <- m (Scopes m (NValue t f m))
forall a (m :: * -> *). Scoped a m => m (Scopes m a)
currentScopes
    SrcSpan
span  <- m SrcSpan
forall e (m :: * -> *).
(MonadReader e m, Has e SrcSpan) =>
m SrcSpan
currentPos
    Provenance m (NValue t f m) -> NValue t f m -> NValue t f m
forall (m :: * -> *) v a.
HasCitations m v a =>
Provenance m v -> a -> a
addProvenance (Scopes m (NValue t f m)
-> NExprLocF (Maybe (NValue t f m)) -> Provenance m (NValue t f m)
forall (m :: * -> *) v.
Scopes m v -> NExprLocF (Maybe v) -> Provenance m v
Provenance Scopes m (NValue t f m)
scope (SrcSpan
-> NBinaryOp
-> Maybe (NValue t f m)
-> Maybe (NValue t f m)
-> NExprLocF (Maybe (NValue t f m))
forall r. SrcSpan -> NBinaryOp -> r -> r -> NExprLocF r
NBinary_ SrcSpan
span NBinaryOp
NApp (NValue t f m -> Maybe (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure NValue t f m
f) Maybe (NValue t f m)
forall a. Maybe a
Nothing)) (NValue t f m -> NValue t f m)
-> m (NValue t f m) -> m (NValue t f m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$>
      (NValue t f m -> NValue t f m -> m (NValue t f m)
forall e t (f :: * -> *) (m :: * -> *).
MonadNix e t f m =>
NValue t f m -> NValue t f m -> m (NValue t f m)
callFunc NValue t f m
f (NValue t f m -> m (NValue t f m))
-> m (NValue t f m) -> m (NValue t f m)
forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< m (NValue t f m) -> m (NValue t f m)
forall v (m :: * -> *). MonadValue v m => m v -> m v
defer m (NValue t f m)
x)

  evalAbs :: Params (m (NValue t f m))
-> (forall a.
    m (NValue t f m)
    -> (AttrSet (m (NValue t f m))
        -> m (NValue t f m) -> m (a, NValue t f m))
    -> m (a, NValue t f m))
-> m (NValue t f m)
evalAbs Params (m (NValue t f m))
p forall a.
m (NValue t f m)
-> (AttrSet (m (NValue t f m))
    -> m (NValue t f m) -> m (a, NValue t f m))
-> m (a, NValue t f m)
k = do
    Scopes m (NValue t f m)
scope <- m (Scopes m (NValue t f m))
forall a (m :: * -> *). Scoped a m => m (Scopes m a)
currentScopes
    SrcSpan
span  <- m SrcSpan
forall e (m :: * -> *).
(MonadReader e m, Has e SrcSpan) =>
m SrcSpan
currentPos
    pure $
      Provenance m (NValue t f m)
-> Params () -> (NValue t f m -> m (NValue t f m)) -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m)
-> Params () -> (NValue t f m -> m (NValue t f m)) -> NValue t f m
nvClosureP
        (Scopes m (NValue t f m)
-> NExprLocF (Maybe (NValue t f m)) -> Provenance m (NValue t f m)
forall (m :: * -> *) v.
Scopes m v -> NExprLocF (Maybe v) -> Provenance m v
Provenance Scopes m (NValue t f m)
scope (SrcSpan
-> Params (Maybe (NValue t f m))
-> Maybe (NValue t f m)
-> NExprLocF (Maybe (NValue t f m))
forall r. SrcSpan -> Params r -> r -> NExprLocF r
NAbs_ SrcSpan
span (Maybe (NValue t f m)
forall a. Maybe a
Nothing Maybe (NValue t f m)
-> Params (m (NValue t f m)) -> Params (Maybe (NValue t f m))
forall (f :: * -> *) a b. Functor f => a -> f b -> f a
<$ Params (m (NValue t f m))
p) Maybe (NValue t f m)
forall a. Maybe a
Nothing))
        (Params (m (NValue t f m)) -> Params ()
forall (f :: * -> *) a. Functor f => f a -> f ()
void Params (m (NValue t f m))
p)
        (\NValue t f m
arg -> ((), NValue t f m) -> NValue t f m
forall a b. (a, b) -> b
snd (((), NValue t f m) -> NValue t f m)
-> m ((), NValue t f m) -> m (NValue t f m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> m (NValue t f m)
-> (AttrSet (m (NValue t f m))
    -> m (NValue t f m) -> m ((), NValue t f m))
-> m ((), NValue t f m)
forall a.
m (NValue t f m)
-> (AttrSet (m (NValue t f m))
    -> m (NValue t f m) -> m (a, NValue t f m))
-> m (a, NValue t f m)
k (NValue t f m -> m (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure NValue t f m
arg) (\AttrSet (m (NValue t f m))
_ m (NValue t f m)
b -> ((), ) (NValue t f m -> ((), NValue t f m))
-> m (NValue t f m) -> m ((), NValue t f m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> m (NValue t f m)
b))

  evalError :: s -> m a
evalError = s -> m a
forall s e (m :: * -> *) a.
(Framed e m, Exception s, MonadThrow m) =>
s -> m a
throwError

infixl 1 `callFunc`
callFunc
  :: forall e t f m
   . MonadNix e t f m
  => NValue t f m
  -> NValue t f m
  -> m (NValue t f m)
callFunc :: NValue t f m -> NValue t f m -> m (NValue t f m)
callFunc NValue t f m
fun NValue t f m
arg =
  do
    Frames
frames :: Frames <- (e -> Frames) -> m Frames
forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks (FoldLike Frames e e Frames Frames -> e -> Frames
forall a s t b. FoldLike a s t a b -> s -> a
view FoldLike Frames e e Frames Frames
forall a b. Has a b => Lens' a b
hasLens)
    Bool -> m () -> m ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Frames -> Int
forall (t :: * -> *) a. Foldable t => t a -> Int
length Frames
frames Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
> Int
2000) (m () -> m ()) -> m () -> m ()
forall a b. (a -> b) -> a -> b
$ ErrorCall -> m ()
forall s e (m :: * -> *) a.
(Framed e m, Exception s, MonadThrow m) =>
s -> m a
throwError (ErrorCall -> m ()) -> ErrorCall -> m ()
forall a b. (a -> b) -> a -> b
$ FilePath -> ErrorCall
ErrorCall FilePath
"Function call stack exhausted"

    NValue t f m
fun' <- NValue t f m -> m (NValue t f m)
forall v (m :: * -> *). MonadValue v m => v -> m v
demand NValue t f m
fun
    case NValue t f m
fun' of
      NVClosure Params ()
_params NValue t f m -> m (NValue t f m)
f -> NValue t f m -> m (NValue t f m)
f NValue t f m
arg
      NVBuiltin Text
name NValue t f m -> m (NValue t f m)
f    ->
        do
          SrcSpan
span <- m SrcSpan
forall e (m :: * -> *).
(MonadReader e m, Has e SrcSpan) =>
m SrcSpan
currentPos
          NixLevel
-> EvalFrame m (NValue t f m)
-> m (NValue t f m)
-> m (NValue t f m)
forall s e (m :: * -> *) a.
(Framed e m, Exception s) =>
NixLevel -> s -> m a -> m a
withFrame NixLevel
Info ((Text -> SrcSpan -> EvalFrame m (NValue t f m)
forall (m :: * -> *) v. Text -> SrcSpan -> EvalFrame m v
Calling @m @(NValue t f m)) Text
name SrcSpan
span) (NValue t f m -> m (NValue t f m)
f NValue t f m
arg)
      (NVSet AttrSet (NValue t f m)
m AttrSet SourcePos
_) | Just NValue t f m
f <- Text -> AttrSet (NValue t f m) -> Maybe (NValue t f m)
forall k v. (Eq k, Hashable k) => k -> HashMap k v -> Maybe v
M.lookup Text
"__functor" AttrSet (NValue t f m)
m ->
        ((NValue t f m -> NValue t f m -> m (NValue t f m)
forall e t (f :: * -> *) (m :: * -> *).
MonadNix e t f m =>
NValue t f m -> NValue t f m -> m (NValue t f m)
`callFunc` NValue t f m
arg) (NValue t f m -> m (NValue t f m))
-> (NValue t f m -> m (NValue t f m))
-> NValue t f m
-> m (NValue t f m)
forall (m :: * -> *) b c a.
Monad m =>
(b -> m c) -> (a -> m b) -> a -> m c
<=< (NValue t f m -> NValue t f m -> m (NValue t f m)
forall e t (f :: * -> *) (m :: * -> *).
MonadNix e t f m =>
NValue t f m -> NValue t f m -> m (NValue t f m)
`callFunc` NValue t f m
fun')) (NValue t f m -> m (NValue t f m))
-> m (NValue t f m) -> m (NValue t f m)
forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< NValue t f m -> m (NValue t f m)
forall v (m :: * -> *). MonadValue v m => v -> m v
demand NValue t f m
f
      NValue t f m
x -> ErrorCall -> m (NValue t f m)
forall s e (m :: * -> *) a.
(Framed e m, Exception s, MonadThrow m) =>
s -> m a
throwError (ErrorCall -> m (NValue t f m)) -> ErrorCall -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ FilePath -> ErrorCall
ErrorCall (FilePath -> ErrorCall) -> FilePath -> ErrorCall
forall a b. (a -> b) -> a -> b
$ FilePath
"Attempt to call non-function: " FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> NValue t f m -> FilePath
forall b a. (Show a, IsString b) => a -> b
show NValue t f m
x

execUnaryOp
  :: (Framed e m, MonadCited t f m, Show t)
  => Scopes m (NValue t f m)
  -> SrcSpan
  -> NUnaryOp
  -> NValue t f m
  -> m (NValue t f m)
execUnaryOp :: Scopes m (NValue t f m)
-> SrcSpan -> NUnaryOp -> NValue t f m -> m (NValue t f m)
execUnaryOp Scopes m (NValue t f m)
scope SrcSpan
span NUnaryOp
op NValue t f m
arg = do
  case NValue t f m
arg of
    NVConstant NAtom
c ->
      case (NUnaryOp
op, NAtom
c) of
        (NUnaryOp
NNeg, NInt Integer
i  ) -> NAtom -> m (NValue t f m)
unaryOp (NAtom -> m (NValue t f m)) -> NAtom -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ Integer -> NAtom
NInt (-Integer
i)
        (NUnaryOp
NNeg, NFloat Float
f) -> NAtom -> m (NValue t f m)
unaryOp (NAtom -> m (NValue t f m)) -> NAtom -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ Float -> NAtom
NFloat (-Float
f)
        (NUnaryOp
NNot, NBool Bool
b ) -> NAtom -> m (NValue t f m)
unaryOp (NAtom -> m (NValue t f m)) -> NAtom -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ Bool -> NAtom
NBool (Bool -> Bool
not Bool
b)
        (NUnaryOp, NAtom)
_ ->
          ErrorCall -> m (NValue t f m)
forall s e (m :: * -> *) a.
(Framed e m, Exception s, MonadThrow m) =>
s -> m a
throwError (ErrorCall -> m (NValue t f m)) -> ErrorCall -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$  FilePath -> ErrorCall
ErrorCall (FilePath -> ErrorCall) -> FilePath -> ErrorCall
forall a b. (a -> b) -> a -> b
$ FilePath
"unsupported argument type for unary operator " FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> NUnaryOp -> FilePath
forall b a. (Show a, IsString b) => a -> b
show NUnaryOp
op
    NValue t f m
x ->
      ErrorCall -> m (NValue t f m)
forall s e (m :: * -> *) a.
(Framed e m, Exception s, MonadThrow m) =>
s -> m a
throwError (ErrorCall -> m (NValue t f m)) -> ErrorCall -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ FilePath -> ErrorCall
ErrorCall (FilePath -> ErrorCall) -> FilePath -> ErrorCall
forall a b. (a -> b) -> a -> b
$ FilePath
"argument to unary operator must evaluate to an atomic type: " FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> NValue t f m -> FilePath
forall b a. (Show a, IsString b) => a -> b
show NValue t f m
x
 where
  unaryOp :: NAtom -> m (NValue t f m)
unaryOp = NValue t f m -> m (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (NValue t f m -> m (NValue t f m))
-> (NAtom -> NValue t f m) -> NAtom -> m (NValue t f m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Provenance m (NValue t f m) -> NAtom -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> NAtom -> NValue t f m
nvConstantP (Scopes m (NValue t f m)
-> NExprLocF (Maybe (NValue t f m)) -> Provenance m (NValue t f m)
forall (m :: * -> *) v.
Scopes m v -> NExprLocF (Maybe v) -> Provenance m v
Provenance Scopes m (NValue t f m)
scope (SrcSpan
-> NUnaryOp
-> Maybe (NValue t f m)
-> NExprLocF (Maybe (NValue t f m))
forall r. SrcSpan -> NUnaryOp -> r -> NExprLocF r
NUnary_ SrcSpan
span NUnaryOp
op (NValue t f m -> Maybe (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure NValue t f m
arg)))

execBinaryOp
  :: forall e t f m
   . (MonadNix e t f m, MonadEval (NValue t f m) m)
  => Scopes m (NValue t f m)
  -> SrcSpan
  -> NBinaryOp
  -> NValue t f m
  -> m (NValue t f m)
  -> m (NValue t f m)

execBinaryOp :: Scopes m (NValue t f m)
-> SrcSpan
-> NBinaryOp
-> NValue t f m
-> m (NValue t f m)
-> m (NValue t f m)
execBinaryOp Scopes m (NValue t f m)
scope SrcSpan
span NBinaryOp
op NValue t f m
lval m (NValue t f m)
rarg =
  case NBinaryOp
op of
    NBinaryOp
NEq   -> (Bool -> Bool) -> m (NValue t f m)
helperEq Bool -> Bool
forall a. a -> a
id
    NBinaryOp
NNEq  -> (Bool -> Bool) -> m (NValue t f m)
helperEq Bool -> Bool
not
    NBinaryOp
NOr   -> ((m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m))
 -> m (NValue t f m)
 -> m (NValue t f m)
 -> Bool
 -> m (NValue t f m))
-> Bool -> m (NValue t f m)
helperLogic (m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m))
-> m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m)
forall a b c. (a -> b -> c) -> b -> a -> c
flip Bool
True
    NBinaryOp
NAnd  -> ((m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m))
 -> m (NValue t f m)
 -> m (NValue t f m)
 -> Bool
 -> m (NValue t f m))
-> Bool -> m (NValue t f m)
helperLogic (m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m))
-> m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m)
forall a. a -> a
id   Bool
False
    NBinaryOp
NImpl -> ((m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m))
 -> m (NValue t f m)
 -> m (NValue t f m)
 -> Bool
 -> m (NValue t f m))
-> Bool -> m (NValue t f m)
helperLogic (m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m))
-> m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m)
forall a. a -> a
id   Bool
True
    NBinaryOp
_     ->
      do
        NValue t f m
rval  <- m (NValue t f m)
rarg
        NValue t f m
rval' <- NValue t f m -> m (NValue t f m)
forall v (m :: * -> *). MonadValue v m => v -> m v
demand NValue t f m
rval
        NValue t f m
lval' <- NValue t f m -> m (NValue t f m)
forall v (m :: * -> *). MonadValue v m => v -> m v
demand NValue t f m
lval

        Scopes m (NValue t f m)
-> SrcSpan
-> NBinaryOp
-> NValue t f m
-> NValue t f m
-> m (NValue t f m)
forall e t (f :: * -> *) (m :: * -> *).
(MonadNix e t f m, MonadEval (NValue t f m) m) =>
Scopes m (NValue t f m)
-> SrcSpan
-> NBinaryOp
-> NValue t f m
-> NValue t f m
-> m (NValue t f m)
execBinaryOpForced Scopes m (NValue t f m)
scope SrcSpan
span NBinaryOp
op NValue t f m
lval' NValue t f m
rval'

 where

  helperEq :: (Bool -> Bool) -> m (NValue t f m)
helperEq Bool -> Bool
flag =
    do
      NValue t f m
rval <- m (NValue t f m)
rarg
      Bool
eq <- NValue t f m -> NValue t f m -> m Bool
forall t (m :: * -> *) (f :: * -> *).
(MonadThunk t m (NValue t f m), Comonad f) =>
NValue t f m -> NValue t f m -> m Bool
valueEqM NValue t f m
lval NValue t f m
rval
      NValue t f m -> Bool -> m (NValue t f m)
boolOp NValue t f m
rval (Bool -> m (NValue t f m)) -> Bool -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ Bool -> Bool
flag Bool
eq

  helperLogic :: ((m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m))
 -> m (NValue t f m)
 -> m (NValue t f m)
 -> Bool
 -> m (NValue t f m))
-> Bool -> m (NValue t f m)
helperLogic (m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m))
-> m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m)
flp Bool
flag =
    (m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m))
-> m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m)
flp m (NValue t f m) -> m (NValue t f m) -> Bool -> m (NValue t f m)
forall a. a -> a -> Bool -> a
bool
      (Bool -> m (NValue t f m)
bypass Bool
flag)
      (do
          NValue t f m
rval <- m (NValue t f m)
rarg
          Bool
x <- NValue t f m -> m Bool
forall a (m :: * -> *) v. FromValue a m v => v -> m a
fromValue NValue t f m
rval
          NValue t f m -> Bool -> m (NValue t f m)
boolOp NValue t f m
rval Bool
x
      )
      (Bool -> m (NValue t f m)) -> m Bool -> m (NValue t f m)
forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< NValue t f m -> m Bool
forall a (m :: * -> *) v. FromValue a m v => v -> m a
fromValue NValue t f m
lval

  boolOp :: NValue t f m -> Bool -> m (NValue t f m)
boolOp NValue t f m
rval = Maybe (NValue t f m) -> Bool -> m (NValue t f m)
toBoolOp (NValue t f m -> Maybe (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure NValue t f m
rval)

  bypass :: Bool -> m (NValue t f m)
bypass      = Maybe (NValue t f m) -> Bool -> m (NValue t f m)
toBoolOp Maybe (NValue t f m)
forall a. Maybe a
Nothing

  toBoolOp :: Maybe (NValue t f m) -> Bool -> m (NValue t f m)
  toBoolOp :: Maybe (NValue t f m) -> Bool -> m (NValue t f m)
toBoolOp Maybe (NValue t f m)
r Bool
b =
    NValue t f m -> m (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (NValue t f m -> m (NValue t f m))
-> NValue t f m -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$
      Provenance m (NValue t f m) -> NAtom -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> NAtom -> NValue t f m
nvConstantP
        (Scopes m (NValue t f m)
-> NExprLocF (Maybe (NValue t f m)) -> Provenance m (NValue t f m)
forall (m :: * -> *) v.
Scopes m v -> NExprLocF (Maybe v) -> Provenance m v
Provenance Scopes m (NValue t f m)
scope (SrcSpan
-> NBinaryOp
-> Maybe (NValue t f m)
-> Maybe (NValue t f m)
-> NExprLocF (Maybe (NValue t f m))
forall r. SrcSpan -> NBinaryOp -> r -> r -> NExprLocF r
NBinary_ SrcSpan
span NBinaryOp
op (NValue t f m -> Maybe (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure NValue t f m
lval) Maybe (NValue t f m)
r))
        (Bool -> NAtom
NBool Bool
b)

execBinaryOpForced
  :: forall e t f m
   . (MonadNix e t f m, MonadEval (NValue t f m) m)
  => Scopes m (NValue t f m)
  -> SrcSpan
  -> NBinaryOp
  -> NValue t f m
  -> NValue t f m
  -> m (NValue t f m)

execBinaryOpForced :: Scopes m (NValue t f m)
-> SrcSpan
-> NBinaryOp
-> NValue t f m
-> NValue t f m
-> m (NValue t f m)
execBinaryOpForced Scopes m (NValue t f m)
scope SrcSpan
span NBinaryOp
op NValue t f m
lval NValue t f m
rval = case NBinaryOp
op of
  NBinaryOp
NLt    -> (forall a. Ord a => a -> a -> Bool) -> m (NValue t f m)
compare forall a. Ord a => a -> a -> Bool
(<)
  NBinaryOp
NLte   -> (forall a. Ord a => a -> a -> Bool) -> m (NValue t f m)
compare forall a. Ord a => a -> a -> Bool
(<=)
  NBinaryOp
NGt    -> (forall a. Ord a => a -> a -> Bool) -> m (NValue t f m)
compare forall a. Ord a => a -> a -> Bool
(>)
  NBinaryOp
NGte   -> (forall a. Ord a => a -> a -> Bool) -> m (NValue t f m)
compare forall a. Ord a => a -> a -> Bool
(>=)
  NBinaryOp
NMinus -> (forall a. Num a => a -> a -> a) -> m (NValue t f m)
numBinOp (-)
  NBinaryOp
NMult  -> (forall a. Num a => a -> a -> a) -> m (NValue t f m)
numBinOp forall a. Num a => a -> a -> a
(*)
  NBinaryOp
NDiv   -> (Integer -> Integer -> Integer)
-> (Float -> Float -> Float) -> m (NValue t f m)
numBinOp' Integer -> Integer -> Integer
forall a. Integral a => a -> a -> a
div Float -> Float -> Float
forall a. Fractional a => a -> a -> a
(/)
  NBinaryOp
NConcat ->
    case (NValue t f m
lval, NValue t f m
rval) of
      (NVList [NValue t f m]
ls, NVList [NValue t f m]
rs) -> NValue t f m -> m (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (NValue t f m -> m (NValue t f m))
-> NValue t f m -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ Provenance m (NValue t f m) -> [NValue t f m] -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> [NValue t f m] -> NValue t f m
nvListP Provenance m (NValue t f m)
prov ([NValue t f m] -> NValue t f m) -> [NValue t f m] -> NValue t f m
forall a b. (a -> b) -> a -> b
$ [NValue t f m]
ls [NValue t f m] -> [NValue t f m] -> [NValue t f m]
forall a. Semigroup a => a -> a -> a
<> [NValue t f m]
rs
      (NValue t f m, NValue t f m)
_ -> m (NValue t f m)
unsupportedTypes

  NBinaryOp
NUpdate ->
    case (NValue t f m
lval, NValue t f m
rval) of
      (NVSet AttrSet (NValue t f m)
ls AttrSet SourcePos
lp, NVSet AttrSet (NValue t f m)
rs AttrSet SourcePos
rp) -> NValue t f m -> m (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (NValue t f m -> m (NValue t f m))
-> NValue t f m -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ Provenance m (NValue t f m)
-> AttrSet SourcePos -> AttrSet (NValue t f m) -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m)
-> AttrSet SourcePos -> AttrSet (NValue t f m) -> NValue t f m
nvSetP Provenance m (NValue t f m)
prov (AttrSet SourcePos
rp AttrSet SourcePos -> AttrSet SourcePos -> AttrSet SourcePos
forall k v.
(Eq k, Hashable k) =>
HashMap k v -> HashMap k v -> HashMap k v
`M.union` AttrSet SourcePos
lp) (AttrSet (NValue t f m)
rs AttrSet (NValue t f m)
-> AttrSet (NValue t f m) -> AttrSet (NValue t f m)
forall k v.
(Eq k, Hashable k) =>
HashMap k v -> HashMap k v -> HashMap k v
`M.union` AttrSet (NValue t f m)
ls)
      (NVSet AttrSet (NValue t f m)
ls AttrSet SourcePos
lp, NVConstant NAtom
NNull) -> NValue t f m -> m (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (NValue t f m -> m (NValue t f m))
-> NValue t f m -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ Provenance m (NValue t f m)
-> AttrSet SourcePos -> AttrSet (NValue t f m) -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m)
-> AttrSet SourcePos -> AttrSet (NValue t f m) -> NValue t f m
nvSetP Provenance m (NValue t f m)
prov AttrSet SourcePos
lp AttrSet (NValue t f m)
ls
      (NVConstant NAtom
NNull, NVSet AttrSet (NValue t f m)
rs AttrSet SourcePos
rp) -> NValue t f m -> m (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (NValue t f m -> m (NValue t f m))
-> NValue t f m -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ Provenance m (NValue t f m)
-> AttrSet SourcePos -> AttrSet (NValue t f m) -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m)
-> AttrSet SourcePos -> AttrSet (NValue t f m) -> NValue t f m
nvSetP Provenance m (NValue t f m)
prov AttrSet SourcePos
rp AttrSet (NValue t f m)
rs
      (NValue t f m, NValue t f m)
_ -> m (NValue t f m)
unsupportedTypes

  NBinaryOp
NPlus ->
    case (NValue t f m
lval, NValue t f m
rval) of
      (NVConstant NAtom
_, NVConstant NAtom
_) -> (forall a. Num a => a -> a -> a) -> m (NValue t f m)
numBinOp forall a. Num a => a -> a -> a
(+)

      (NVStr NixString
ls, NVStr NixString
rs) -> NValue t f m -> m (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (NValue t f m -> m (NValue t f m))
-> NValue t f m -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ Provenance m (NValue t f m) -> NixString -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> NixString -> NValue t f m
nvStrP Provenance m (NValue t f m)
prov (NixString
ls NixString -> NixString -> NixString
forall a. Semigroup a => a -> a -> a
<> NixString
rs)
      (NVStr NixString
ls, rs :: NValue t f m
rs@NVPath{}) ->
        (\NixString
rs2 -> Provenance m (NValue t f m) -> NixString -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> NixString -> NValue t f m
nvStrP Provenance m (NValue t f m)
prov (NixString
ls NixString -> NixString -> NixString
forall a. Semigroup a => a -> a -> a
<> NixString
rs2)) (NixString -> NValue t f m) -> m NixString -> m (NValue t f m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$>
          (NValue t f m -> NValue t f m -> m (NValue t f m))
-> CopyToStoreMode -> CoercionLevel -> NValue t f m -> m NixString
forall e (m :: * -> *) t (f :: * -> *).
(Framed e m, MonadStore m, MonadThrow m,
 MonadDataErrorContext t f m, MonadValue (NValue t f m) m) =>
(NValue t f m -> NValue t f m -> m (NValue t f m))
-> CopyToStoreMode -> CoercionLevel -> NValue t f m -> m NixString
coerceToString NValue t f m -> NValue t f m -> m (NValue t f m)
forall e t (f :: * -> *) (m :: * -> *).
MonadNix e t f m =>
NValue t f m -> NValue t f m -> m (NValue t f m)
callFunc CopyToStoreMode
CopyToStore CoercionLevel
CoerceStringy NValue t f m
rs
      (NVPath FilePath
ls, NVStr NixString
rs) ->
        m (NValue t f m)
-> (Text -> m (NValue t f m)) -> Maybe Text -> m (NValue t f m)
forall b a. b -> (a -> b) -> Maybe a -> b
maybe
          (ErrorCall -> m (NValue t f m)
forall s e (m :: * -> *) a.
(Framed e m, Exception s, MonadThrow m) =>
s -> m a
throwError (ErrorCall -> m (NValue t f m)) -> ErrorCall -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ FilePath -> ErrorCall
ErrorCall FilePath
"A string that refers to a store path cannot be appended to a path.") -- data/nix/src/libexpr/eval.cc:1412
          (\ Text
rs2 ->
            Provenance m (NValue t f m) -> FilePath -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> FilePath -> NValue t f m
nvPathP Provenance m (NValue t f m)
prov (FilePath -> NValue t f m) -> m FilePath -> m (NValue t f m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$>
              FilePath -> m FilePath
forall t (f :: * -> *) (m :: * -> *).
MonadEffects t f m =>
FilePath -> m FilePath
makeAbsolutePath @t @f (FilePath
ls FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> Text -> FilePath
forall a. ToString a => a -> FilePath
toString Text
rs2)
          )
          (NixString -> Maybe Text
getStringNoContext NixString
rs)
      (NVPath FilePath
ls, NVPath FilePath
rs) -> Provenance m (NValue t f m) -> FilePath -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> FilePath -> NValue t f m
nvPathP Provenance m (NValue t f m)
prov (FilePath -> NValue t f m) -> m FilePath -> m (NValue t f m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> FilePath -> m FilePath
forall t (f :: * -> *) (m :: * -> *).
MonadEffects t f m =>
FilePath -> m FilePath
makeAbsolutePath @t @f (FilePath
ls FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> FilePath
rs)

      (ls :: NValue t f m
ls@NVSet{}, NVStr NixString
rs) ->
        (\NixString
ls2 -> Provenance m (NValue t f m) -> NixString -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> NixString -> NValue t f m
nvStrP Provenance m (NValue t f m)
prov (NixString
ls2 NixString -> NixString -> NixString
forall a. Semigroup a => a -> a -> a
<> NixString
rs)) (NixString -> NValue t f m) -> m NixString -> m (NValue t f m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$>
          (NValue t f m -> NValue t f m -> m (NValue t f m))
-> CopyToStoreMode -> CoercionLevel -> NValue t f m -> m NixString
forall e (m :: * -> *) t (f :: * -> *).
(Framed e m, MonadStore m, MonadThrow m,
 MonadDataErrorContext t f m, MonadValue (NValue t f m) m) =>
(NValue t f m -> NValue t f m -> m (NValue t f m))
-> CopyToStoreMode -> CoercionLevel -> NValue t f m -> m NixString
coerceToString NValue t f m -> NValue t f m -> m (NValue t f m)
forall e t (f :: * -> *) (m :: * -> *).
MonadNix e t f m =>
NValue t f m -> NValue t f m -> m (NValue t f m)
callFunc CopyToStoreMode
DontCopyToStore CoercionLevel
CoerceStringy NValue t f m
ls
      (NVStr NixString
ls, rs :: NValue t f m
rs@NVSet{}) ->
        (\NixString
rs2 -> Provenance m (NValue t f m) -> NixString -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> NixString -> NValue t f m
nvStrP Provenance m (NValue t f m)
prov (NixString
ls NixString -> NixString -> NixString
forall a. Semigroup a => a -> a -> a
<> NixString
rs2)) (NixString -> NValue t f m) -> m NixString -> m (NValue t f m)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$>
          (NValue t f m -> NValue t f m -> m (NValue t f m))
-> CopyToStoreMode -> CoercionLevel -> NValue t f m -> m NixString
forall e (m :: * -> *) t (f :: * -> *).
(Framed e m, MonadStore m, MonadThrow m,
 MonadDataErrorContext t f m, MonadValue (NValue t f m) m) =>
(NValue t f m -> NValue t f m -> m (NValue t f m))
-> CopyToStoreMode -> CoercionLevel -> NValue t f m -> m NixString
coerceToString NValue t f m -> NValue t f m -> m (NValue t f m)
forall e t (f :: * -> *) (m :: * -> *).
MonadNix e t f m =>
NValue t f m -> NValue t f m -> m (NValue t f m)
callFunc CopyToStoreMode
DontCopyToStore CoercionLevel
CoerceStringy NValue t f m
rs
      (NValue t f m, NValue t f m)
_ -> m (NValue t f m)
unsupportedTypes

  NBinaryOp
NEq   -> m (NValue t f m)
alreadyHandled
  NBinaryOp
NNEq  -> m (NValue t f m)
alreadyHandled
  NBinaryOp
NAnd  -> m (NValue t f m)
alreadyHandled
  NBinaryOp
NOr   -> m (NValue t f m)
alreadyHandled
  NBinaryOp
NImpl -> m (NValue t f m)
alreadyHandled
  NBinaryOp
NApp  -> ErrorCall -> m (NValue t f m)
forall s e (m :: * -> *) a.
(Framed e m, Exception s, MonadThrow m) =>
s -> m a
throwError (ErrorCall -> m (NValue t f m)) -> ErrorCall -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ FilePath -> ErrorCall
ErrorCall FilePath
"NApp should be handled by evalApp"

 where
  prov :: Provenance m (NValue t f m)
  prov :: Provenance m (NValue t f m)
prov = Scopes m (NValue t f m)
-> NExprLocF (Maybe (NValue t f m)) -> Provenance m (NValue t f m)
forall (m :: * -> *) v.
Scopes m v -> NExprLocF (Maybe v) -> Provenance m v
Provenance Scopes m (NValue t f m)
scope (SrcSpan
-> NBinaryOp
-> Maybe (NValue t f m)
-> Maybe (NValue t f m)
-> NExprLocF (Maybe (NValue t f m))
forall r. SrcSpan -> NBinaryOp -> r -> r -> NExprLocF r
NBinary_ SrcSpan
span NBinaryOp
op (NValue t f m -> Maybe (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure NValue t f m
lval) (NValue t f m -> Maybe (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure NValue t f m
rval))

  toBool :: Bool -> m (NValue t f m)
toBool = NValue t f m -> m (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (NValue t f m -> m (NValue t f m))
-> (Bool -> NValue t f m) -> Bool -> m (NValue t f m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Provenance m (NValue t f m) -> NAtom -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> NAtom -> NValue t f m
nvConstantP Provenance m (NValue t f m)
prov (NAtom -> NValue t f m) -> (Bool -> NAtom) -> Bool -> NValue t f m
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Bool -> NAtom
NBool
  compare :: (forall a. Ord a => a -> a -> Bool) -> m (NValue t f m)
  compare :: (forall a. Ord a => a -> a -> Bool) -> m (NValue t f m)
compare forall a. Ord a => a -> a -> Bool
op = case (NValue t f m
lval, NValue t f m
rval) of
    (NVConstant NAtom
l, NVConstant NAtom
r) -> Bool -> m (NValue t f m)
toBool (Bool -> m (NValue t f m)) -> Bool -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ NAtom
l NAtom -> NAtom -> Bool
forall a. Ord a => a -> a -> Bool
`op` NAtom
r
    (NVStr NixString
l, NVStr NixString
r) -> Bool -> m (NValue t f m)
toBool (Bool -> m (NValue t f m)) -> Bool -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ NixString
l NixString -> NixString -> Bool
forall a. Ord a => a -> a -> Bool
`op` NixString
r
    (NValue t f m, NValue t f m)
_ -> m (NValue t f m)
unsupportedTypes

  toInt :: Integer -> m (NValue t f m)
toInt = NValue t f m -> m (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (NValue t f m -> m (NValue t f m))
-> (Integer -> NValue t f m) -> Integer -> m (NValue t f m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Provenance m (NValue t f m) -> NAtom -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> NAtom -> NValue t f m
nvConstantP Provenance m (NValue t f m)
prov (NAtom -> NValue t f m)
-> (Integer -> NAtom) -> Integer -> NValue t f m
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Integer -> NAtom
NInt
  toFloat :: Float -> m (NValue t f m)
toFloat = NValue t f m -> m (NValue t f m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (NValue t f m -> m (NValue t f m))
-> (Float -> NValue t f m) -> Float -> m (NValue t f m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Provenance m (NValue t f m) -> NAtom -> NValue t f m
forall t (f :: * -> *) (m :: * -> *).
MonadCited t f m =>
Provenance m (NValue t f m) -> NAtom -> NValue t f m
nvConstantP Provenance m (NValue t f m)
prov (NAtom -> NValue t f m)
-> (Float -> NAtom) -> Float -> NValue t f m
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Float -> NAtom
NFloat

  numBinOp :: (forall a. Num a => a -> a -> a) -> m (NValue t f m)
  numBinOp :: (forall a. Num a => a -> a -> a) -> m (NValue t f m)
numBinOp forall a. Num a => a -> a -> a
op = (Integer -> Integer -> Integer)
-> (Float -> Float -> Float) -> m (NValue t f m)
numBinOp' Integer -> Integer -> Integer
forall a. Num a => a -> a -> a
op Float -> Float -> Float
forall a. Num a => a -> a -> a
op

  numBinOp'
    :: (Integer -> Integer -> Integer)
    -> (Float -> Float -> Float)
    -> m (NValue t f m)

  numBinOp' :: (Integer -> Integer -> Integer)
-> (Float -> Float -> Float) -> m (NValue t f m)
numBinOp' Integer -> Integer -> Integer
intOp Float -> Float -> Float
floatOp = case (NValue t f m
lval, NValue t f m
rval) of
    (NVConstant NAtom
l, NVConstant NAtom
r) -> case (NAtom
l, NAtom
r) of
      (NInt   Integer
li, NInt   Integer
ri) -> Integer -> m (NValue t f m)
toInt (Integer -> m (NValue t f m)) -> Integer -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ Integer
li Integer -> Integer -> Integer
`intOp` Integer
ri
      (NInt   Integer
li, NFloat Float
rf) -> Float -> m (NValue t f m)
toFloat (Float -> m (NValue t f m)) -> Float -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ Integer -> Float
forall a. Num a => Integer -> a
fromInteger Integer
li Float -> Float -> Float
`floatOp` Float
rf
      (NFloat Float
lf, NInt   Integer
ri) -> Float -> m (NValue t f m)
toFloat (Float -> m (NValue t f m)) -> Float -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ Float
lf Float -> Float -> Float
`floatOp` Integer -> Float
forall a. Num a => Integer -> a
fromInteger Integer
ri
      (NFloat Float
lf, NFloat Float
rf) -> Float -> m (NValue t f m)
toFloat (Float -> m (NValue t f m)) -> Float -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ Float
lf Float -> Float -> Float
`floatOp` Float
rf
      (NAtom, NAtom)
_ -> m (NValue t f m)
unsupportedTypes
    (NValue t f m, NValue t f m)
_ -> m (NValue t f m)
unsupportedTypes

  unsupportedTypes :: m (NValue t f m)
unsupportedTypes = ErrorCall -> m (NValue t f m)
forall s e (m :: * -> *) a.
(Framed e m, Exception s, MonadThrow m) =>
s -> m a
throwError (ErrorCall -> m (NValue t f m)) -> ErrorCall -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ FilePath -> ErrorCall
ErrorCall (FilePath -> ErrorCall) -> FilePath -> ErrorCall
forall a b. (a -> b) -> a -> b
$ FilePath
"Unsupported argument types for binary operator " FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> NBinaryOp -> FilePath
forall b a. (Show a, IsString b) => a -> b
show NBinaryOp
op FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> FilePath
": " FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> NValue t f m -> FilePath
forall b a. (Show a, IsString b) => a -> b
show NValue t f m
lval FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> FilePath
", " FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> NValue t f m -> FilePath
forall b a. (Show a, IsString b) => a -> b
show NValue t f m
rval

  alreadyHandled :: m (NValue t f m)
alreadyHandled = ErrorCall -> m (NValue t f m)
forall s e (m :: * -> *) a.
(Framed e m, Exception s, MonadThrow m) =>
s -> m a
throwError (ErrorCall -> m (NValue t f m)) -> ErrorCall -> m (NValue t f m)
forall a b. (a -> b) -> a -> b
$ FilePath -> ErrorCall
ErrorCall (FilePath -> ErrorCall) -> FilePath -> ErrorCall
forall a b. (a -> b) -> a -> b
$ FilePath
"This cannot happen: operator " FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> NBinaryOp -> FilePath
forall b a. (Show a, IsString b) => a -> b
show NBinaryOp
op FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> FilePath
" should have been handled in execBinaryOp."


-- This function is here, rather than in 'Nix.String', because of the need to
-- use 'throwError'.
fromStringNoContext :: Framed e m => NixString -> m Text
fromStringNoContext :: NixString -> m Text
fromStringNoContext NixString
ns =
  m Text -> (Text -> m Text) -> Maybe Text -> m Text
forall b a. b -> (a -> b) -> Maybe a -> b
maybe
    (ErrorCall -> m Text
forall s e (m :: * -> *) a.
(Framed e m, Exception s, MonadThrow m) =>
s -> m a
throwError (ErrorCall -> m Text) -> ErrorCall -> m Text
forall a b. (a -> b) -> a -> b
$ FilePath -> ErrorCall
ErrorCall (FilePath -> ErrorCall) -> FilePath -> ErrorCall
forall a b. (a -> b) -> a -> b
$ FilePath
"expected string with no context, but got " FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> NixString -> FilePath
forall b a. (Show a, IsString b) => a -> b
show NixString
ns)
    Text -> m Text
forall (f :: * -> *) a. Applicative f => a -> f a
pure
    (NixString -> Maybe Text
getStringNoContext NixString
ns)

addTracing
  :: (MonadNix e t f m, Has e Options, MonadReader Int n, Alternative n)
  => Alg NExprLocF (m a)
  -> Alg NExprLocF (n (m a))
addTracing :: Alg NExprLocF (m a) -> Alg NExprLocF (n (m a))
addTracing Alg NExprLocF (m a)
k NExprLocF (n (m a))
v = do
  Int
depth <- n Int
forall r (m :: * -> *). MonadReader r m => m r
ask
  Bool -> n ()
forall (f :: * -> *). Alternative f => Bool -> f ()
guard (Int
depth Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
< Int
2000)
  (Int -> Int) -> n (m a) -> n (m a)
forall r (m :: * -> *) a. MonadReader r m => (r -> r) -> m a -> m a
local Int -> Int
forall a. Enum a => a -> a
succ (n (m a) -> n (m a)) -> n (m a) -> n (m a)
forall a b. (a -> b) -> a -> b
$ do
    v' :: Compose (Ann SrcSpan) NExprF (m a)
v'@(Compose (Ann SrcSpan
span NExprF (m a)
x)) <- NExprLocF (n (m a)) -> n (Compose (Ann SrcSpan) NExprF (m a))
forall (t :: * -> *) (m :: * -> *) a.
(Traversable t, Monad m) =>
t (m a) -> m (t a)
sequence NExprLocF (n (m a))
v
    m a -> n (m a)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (m a -> n (m a)) -> m a -> n (m a)
forall a b. (a -> b) -> a -> b
$ do
      Options
opts :: Options <- (e -> Options) -> m Options
forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks (FoldLike Options e e Options Options -> e -> Options
forall a s t b. FoldLike a s t a b -> s -> a
view FoldLike Options e e Options Options
forall a b. Has a b => Lens' a b
hasLens)
      let
        rendered :: Doc Any
rendered =
          if Options -> Verbosity
verbose Options
opts Verbosity -> Verbosity -> Bool
forall a. Ord a => a -> a -> Bool
>= Verbosity
Chatty
            then
              FilePath -> Doc Any
forall a ann. Pretty a => a -> Doc ann
pretty (FilePath -> Doc Any) -> FilePath -> Doc Any
forall a b. (a -> b) -> a -> b
$
#ifdef MIN_VERSION_pretty_show
                NExprF () -> FilePath
forall a. Show a => a -> FilePath
PS.ppShow (NExprF (m a) -> NExprF ()
forall (f :: * -> *) a. Functor f => f a -> f ()
void NExprF (m a)
x)
#else
                show (void x)
#endif
            else NExpr -> Doc Any
forall ann. NExpr -> Doc ann
prettyNix (NExprF NExpr -> NExpr
forall (f :: * -> *). f (Fix f) -> Fix f
Fix (NExprF NExpr -> NExpr
forall (f :: * -> *). f (Fix f) -> Fix f
Fix (Text -> NExprF NExpr
forall r. Text -> NExprF r
NSym Text
"?") NExpr -> NExprF (m a) -> NExprF NExpr
forall (f :: * -> *) a b. Functor f => a -> f b -> f a
<$ NExprF (m a)
x))
        msg :: Doc Any -> Doc Any
msg Doc Any
x = FilePath -> Doc Any
forall a ann. Pretty a => a -> Doc ann
pretty (FilePath
"eval: " FilePath -> ShowS
forall a. Semigroup a => a -> a -> a
<> Int -> Char -> FilePath
forall a. Int -> a -> [a]
replicate Int
depth Char
' ') Doc Any -> Doc Any -> Doc Any
forall a. Semigroup a => a -> a -> a
<> Doc Any
x
      Doc Any
loc <- SrcSpan -> Doc Any -> m (Doc Any)
forall (m :: * -> *) a.
MonadFile m =>
SrcSpan -> Doc a -> m (Doc a)
renderLocation SrcSpan
span (Doc Any -> Doc Any
msg Doc Any
rendered Doc Any -> Doc Any -> Doc Any
forall a. Semigroup a => a -> a -> a
<> Doc Any
" ...\n")
      FilePath -> m ()
forall (m :: * -> *). MonadPutStr m => FilePath -> m ()
putStr (FilePath -> m ()) -> FilePath -> m ()
forall a b. (a -> b) -> a -> b
$ Doc Any -> FilePath
forall b a. (Show a, IsString b) => a -> b
show Doc Any
loc
      a
res <- Alg NExprLocF (m a)
k Compose (Ann SrcSpan) NExprF (m a)
v'
      Doc Any -> m ()
forall (m :: * -> *) a. (MonadPutStr m, Show a) => a -> m ()
print (Doc Any -> m ()) -> Doc Any -> m ()
forall a b. (a -> b) -> a -> b
$ Doc Any -> Doc Any
msg Doc Any
rendered Doc Any -> Doc Any -> Doc Any
forall a. Semigroup a => a -> a -> a
<> Doc Any
" ...done"
      pure a
res

evalExprLoc :: forall e t f m . MonadNix e t f m => NExprLoc -> m (NValue t f m)
evalExprLoc :: NExprLoc -> m (NValue t f m)
evalExprLoc NExprLoc
expr = do
  Options
opts :: Options <- (e -> Options) -> m Options
forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks (FoldLike Options e e Options Options -> e -> Options
forall a s t b. FoldLike a s t a b -> s -> a
view FoldLike Options e e Options Options
forall a b. Has a b => Lens' a b
hasLens)

  (NExprLoc -> m (NValue t f m))
-> (NExprLoc -> m (NValue t f m))
-> Bool
-> NExprLoc
-> m (NValue t f m)
forall a. a -> a -> Bool -> a
bool
    ((Compose (Ann SrcSpan) NExprF (m (NValue t f m))
 -> m (NValue t f m))
-> ((NExprLoc -> m (NValue t f m)) -> NExprLoc -> m (NValue t f m))
-> NExprLoc
-> m (NValue t f m)
forall (f :: * -> *) a.
Functor f =>
(f a -> a) -> ((Fix f -> a) -> Fix f -> a) -> Fix f -> a
adi
      Compose (Ann SrcSpan) NExprF (m (NValue t f m)) -> m (NValue t f m)
forall ann.
Compose (Ann ann) NExprF (m (NValue t f m)) -> m (NValue t f m)
phi
      (forall v e (m :: * -> *) a.
(Scoped v m, Framed e m, Typeable v, Typeable m) =>
Transform NExprLocF (m a)
forall e (m :: * -> *) a.
(Scoped (NValue t f m) m, Framed e m, Typeable (NValue t f m),
 Typeable m) =>
Transform NExprLocF (m a)
addStackFrames @(NValue t f m) ((NExprLoc -> m (NValue t f m)) -> NExprLoc -> m (NValue t f m))
-> ((NExprLoc -> m (NValue t f m)) -> NExprLoc -> m (NValue t f m))
-> (NExprLoc -> m (NValue t f m))
-> NExprLoc
-> m (NValue t f m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (NExprLoc -> m (NValue t f m)) -> NExprLoc -> m (NValue t f m)
forall e (m :: * -> *) a.
(MonadReader e m, Has e SrcSpan) =>
Transform NExprLocF (m a)
addSourcePositions)
      )
    (m (m (NValue t f m)) -> m (NValue t f m)
forall (m :: * -> *) a. Monad m => m (m a) -> m a
join (m (m (NValue t f m)) -> m (NValue t f m))
-> (NExprLoc -> m (m (NValue t f m)))
-> NExprLoc
-> m (NValue t f m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (ReaderT Int m (m (NValue t f m)) -> Int -> m (m (NValue t f m))
forall r (m :: * -> *) a. ReaderT r m a -> r -> m a
`runReaderT` (Int
0 :: Int)) (ReaderT Int m (m (NValue t f m)) -> m (m (NValue t f m)))
-> (NExprLoc -> ReaderT Int m (m (NValue t f m)))
-> NExprLoc
-> m (m (NValue t f m))
forall b c a. (b -> c) -> (a -> b) -> a -> c
.
      (Compose (Ann SrcSpan) NExprF (ReaderT Int m (m (NValue t f m)))
 -> ReaderT Int m (m (NValue t f m)))
-> ((NExprLoc -> ReaderT Int m (m (NValue t f m)))
    -> NExprLoc -> ReaderT Int m (m (NValue t f m)))
-> NExprLoc
-> ReaderT Int m (m (NValue t f m))
forall (f :: * -> *) a.
Functor f =>
(f a -> a) -> ((Fix f -> a) -> Fix f -> a) -> Fix f -> a
adi
        ((Compose (Ann SrcSpan) NExprF (m (NValue t f m))
 -> m (NValue t f m))
-> Compose (Ann SrcSpan) NExprF (ReaderT Int m (m (NValue t f m)))
-> ReaderT Int m (m (NValue t f m))
forall e t (f :: * -> *) (m :: * -> *) (n :: * -> *) a.
(MonadNix e t f m, Has e Options, MonadReader Int n,
 Alternative n) =>
Alg NExprLocF (m a) -> Alg NExprLocF (n (m a))
addTracing Compose (Ann SrcSpan) NExprF (m (NValue t f m)) -> m (NValue t f m)
forall ann.
Compose (Ann ann) NExprF (m (NValue t f m)) -> m (NValue t f m)
phi)
        (((NExprLoc -> m (m (NValue t f m)))
 -> NExprLoc -> m (m (NValue t f m)))
-> (NExprLoc -> ReaderT Int m (m (NValue t f m)))
-> NExprLoc
-> ReaderT Int m (m (NValue t f m))
forall t (m :: * -> *) a t (m :: * -> *) a r.
((t -> m a) -> t -> m a)
-> (t -> ReaderT r m a) -> t -> ReaderT r m a
raise (forall v e (m :: * -> *) a.
(Scoped v m, Framed e m, Typeable v, Typeable m) =>
Transform NExprLocF (m a)
forall e (m :: * -> *) a.
(Scoped (NValue t f m) m, Framed e m, Typeable (NValue t f m),
 Typeable m) =>
Transform NExprLocF (m a)
addStackFrames @(NValue t f m) ((NExprLoc -> m (m (NValue t f m)))
 -> NExprLoc -> m (m (NValue t f m)))
-> ((NExprLoc -> m (m (NValue t f m)))
    -> NExprLoc -> m (m (NValue t f m)))
-> (NExprLoc -> m (m (NValue t f m)))
-> NExprLoc
-> m (m (NValue t f m))
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (NExprLoc -> m (m (NValue t f m)))
-> NExprLoc -> m (m (NValue t f m))
forall e (m :: * -> *) a.
(MonadReader e m, Has e SrcSpan) =>
Transform NExprLocF (m a)
addSourcePositions))
        )
    (Options -> Bool
tracing Options
opts)
    NExprLoc
expr
 where
  phi :: Compose (Ann ann) NExprF (m (NValue t f m)) -> m (NValue t f m)
phi = NExprF (m (NValue t f m)) -> m (NValue t f m)
forall v (m :: * -> *). MonadNixEval v m => NExprF (m v) -> m v
Eval.eval (NExprF (m (NValue t f m)) -> m (NValue t f m))
-> (Compose (Ann ann) NExprF (m (NValue t f m))
    -> NExprF (m (NValue t f m)))
-> Compose (Ann ann) NExprF (m (NValue t f m))
-> m (NValue t f m)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Ann ann (NExprF (m (NValue t f m))) -> NExprF (m (NValue t f m))
forall ann a. Ann ann a -> a
annotated (Ann ann (NExprF (m (NValue t f m))) -> NExprF (m (NValue t f m)))
-> (Compose (Ann ann) NExprF (m (NValue t f m))
    -> Ann ann (NExprF (m (NValue t f m))))
-> Compose (Ann ann) NExprF (m (NValue t f m))
-> NExprF (m (NValue t f m))
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Compose (Ann ann) NExprF (m (NValue t f m))
-> Ann ann (NExprF (m (NValue t f m)))
forall k1 (f :: k1 -> *) k2 (g :: k2 -> k1) (a :: k2).
Compose f g a -> f (g a)
getCompose
  raise :: ((t -> m a) -> t -> m a)
-> (t -> ReaderT r m a) -> t -> ReaderT r m a
raise (t -> m a) -> t -> m a
k t -> ReaderT r m a
f t
x = (r -> m a) -> ReaderT r m a
forall r (m :: * -> *) a. (r -> m a) -> ReaderT r m a
ReaderT ((r -> m a) -> ReaderT r m a) -> (r -> m a) -> ReaderT r m a
forall a b. (a -> b) -> a -> b
$ \r
e -> (t -> m a) -> t -> m a
k (\t
t -> ReaderT r m a -> r -> m a
forall r (m :: * -> *) a. ReaderT r m a -> r -> m a
runReaderT (t -> ReaderT r m a
f t
t) r
e) t
x

exec :: (MonadNix e t f m, MonadInstantiate m) => [Text] -> m (NValue t f m)
exec :: [Text] -> m (NValue t f m)
exec [Text]
args = (ErrorCall -> m (NValue t f m))
-> (NExprLoc -> m (NValue t f m))
-> Either ErrorCall NExprLoc
-> m (NValue t f m)
forall a c b. (a -> c) -> (b -> c) -> Either a b -> c
either ErrorCall -> m (NValue t f m)
forall s e (m :: * -> *) a.
(Framed e m, Exception s, MonadThrow m) =>
s -> m a
throwError NExprLoc -> m (NValue t f m)
forall e t (f :: * -> *) (m :: * -> *).
MonadNix e t f m =>
NExprLoc -> m (NValue t f m)
evalExprLoc (Either ErrorCall NExprLoc -> m (NValue t f m))
-> m (Either ErrorCall NExprLoc) -> m (NValue t f m)
forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< [Text] -> m (Either ErrorCall NExprLoc)
forall (m :: * -> *).
MonadExec m =>
[Text] -> m (Either ErrorCall NExprLoc)
exec' [Text]
args

nixInstantiateExpr
  :: (MonadNix e t f m, MonadInstantiate m) => Text -> m (NValue t f m)
nixInstantiateExpr :: Text -> m (NValue t f m)
nixInstantiateExpr Text
s = (ErrorCall -> m (NValue t f m))
-> (NExprLoc -> m (NValue t f m))
-> Either ErrorCall NExprLoc
-> m (NValue t f m)
forall a c b. (a -> c) -> (b -> c) -> Either a b -> c
either ErrorCall -> m (NValue t f m)
forall s e (m :: * -> *) a.
(Framed e m, Exception s, MonadThrow m) =>
s -> m a
throwError NExprLoc -> m (NValue t f m)
forall e t (f :: * -> *) (m :: * -> *).
MonadNix e t f m =>
NExprLoc -> m (NValue t f m)
evalExprLoc (Either ErrorCall NExprLoc -> m (NValue t f m))
-> m (Either ErrorCall NExprLoc) -> m (NValue t f m)
forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< Text -> m (Either ErrorCall NExprLoc)
forall (m :: * -> *).
MonadInstantiate m =>
Text -> m (Either ErrorCall NExprLoc)
instantiateExpr Text
s