{-# OPTIONS_GHC -Wunused-imports #-}
{-# LANGUAGE NondecreasingIndentation #-}
module Agda.TypeChecking.Telescope.Path where
import Prelude hiding (null)
import qualified Data.List as List
import Data.Maybe
import Agda.Syntax.Common
import Agda.Syntax.Internal
import Agda.TypeChecking.Free
import Agda.TypeChecking.Monad.Builtin
import Agda.TypeChecking.Monad
import Agda.TypeChecking.Pretty
import Agda.TypeChecking.Reduce
import Agda.TypeChecking.Substitute
import Agda.TypeChecking.Telescope
import Agda.Utils.Functor
import Agda.Utils.List
import Agda.Utils.Maybe
import Agda.Utils.Size
import Agda.Utils.Impossible
telePiPath :: (Abs Type -> Abs Type) -> ([Arg ArgName] -> Term -> Term) -> Telescope -> Type -> Boundary -> TCM Type
telePiPath :: (Abs Type -> Abs Type)
-> ([Arg ArgName] -> Term -> Term)
-> Telescope
-> Type
-> Boundary
-> TCM Type
telePiPath Abs Type -> Abs Type
reAbs [Arg ArgName] -> Term -> Term
lams Telescope
tel Type
t Boundary
bs = do
mpp <- BuiltinId -> TCMT IO (Maybe Term)
forall (m :: * -> *) a.
(HasBuiltins m, IsBuiltin a) =>
a -> m (Maybe Term)
getTerm' BuiltinId
builtinPathP
io <- primIOne
let
argN = ArgInfo -> e -> Arg e
forall e. ArgInfo -> e -> Arg e
Arg ArgInfo
defaultArgInfo
argH = ArgInfo -> e -> Arg e
forall e. ArgInfo -> e -> Arg e
Arg (ArgInfo -> e -> Arg e) -> ArgInfo -> e -> Arg e
forall a b. (a -> b) -> a -> b
$ Hiding -> ArgInfo -> ArgInfo
forall a. LensHiding a => Hiding -> a -> a
setHiding Hiding
Hidden ArgInfo
defaultArgInfo
getLevel :: Abs Type -> TCM Level
getLevel Abs Type
b = do
s <- Abs Sort -> TCMT IO (Abs Sort)
forall a (m :: * -> *). (Reduce a, MonadReduce m) => a -> m a
reduce (Abs Sort -> TCMT IO (Abs Sort)) -> Abs Sort -> TCMT IO (Abs Sort)
forall a b. (a -> b) -> a -> b
$ Type -> Sort
forall a. LensSort a => a -> Sort
getSort (Type -> Sort) -> Abs Type -> Abs Sort
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Abs Type
b
case s of
NoAbs ArgName
_ (Type Level
l) -> Level -> TCM Level
forall a. a -> TCMT IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Level
l
Abs ArgName
n (Type Level
l) | Bool -> Bool
not (Int -> Abs Sort -> Bool
forall a. Free a => Int -> a -> Bool
freeIn Int
0 Abs Sort
s) -> Level -> TCM Level
forall a. a -> TCMT IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (Level -> TCM Level) -> Level -> TCM Level
forall a b. (a -> b) -> a -> b
$ Impossible -> Abs Level -> Level
forall a. Subst a => Impossible -> Abs a -> a
noabsApp Impossible
forall a. HasCallStack => a
__IMPOSSIBLE__ (ArgName -> Level -> Abs Level
forall a. ArgName -> a -> Abs a
Abs ArgName
n Level
l)
Abs Sort
_ -> TypeError -> TCM Level
forall (m :: * -> *) a.
(HasCallStack, MonadTCError m) =>
TypeError -> m a
typeError (TypeError -> TCM Level) -> (Doc -> TypeError) -> Doc -> TCM Level
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ArgName -> TypeError
GenericError (ArgName -> TypeError) -> (Doc -> ArgName) -> Doc -> TypeError
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Doc -> ArgName
forall a. Show a => a -> ArgName
show (Doc -> TCM Level) -> TCMT IO Doc -> TCM Level
forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<<
(ArgName -> TCMT IO Doc
forall (m :: * -> *). Applicative m => ArgName -> m Doc
text ArgName
"The type is non-fibrant or its sort depends on an interval variable" TCMT IO Doc -> TCMT IO Doc -> TCMT IO Doc
forall (m :: * -> *). Applicative m => m Doc -> m Doc -> m Doc
<+> Type -> TCMT IO Doc
forall a (m :: * -> *). (PrettyTCM a, MonadPretty m) => a -> m Doc
forall (m :: * -> *). MonadPretty m => Type -> m Doc
prettyTCM (Abs Type -> Type
forall a. Abs a -> a
unAbs Abs Type
b))
telePiPath :: [Int] -> Telescope -> TCM Type
telePiPath [] Telescope
EmptyTel = Type -> TCM Type
forall a. a -> TCMT IO a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (Type -> TCM Type) -> Type -> TCM Type
forall a b. (a -> b) -> a -> b
$ Type
t
telePiPath (Int
x:[Int]
xs) (ExtendTel Dom Type
a Abs Telescope
tel)
= case ((Term, (Term, Term)) -> Bool)
-> Boundary -> Maybe (Term, (Term, Term))
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Maybe a
List.find (\ (Term
t,(Term, Term)
_) -> Term
t Term -> Term -> Bool
forall a. Eq a => a -> a -> Bool
== Int -> Term
var Int
x) Boundary
bs of
Just (Term
_,(Term, Term)
u) -> do
let pp :: Term
pp = Term -> Maybe Term -> Term
forall a. a -> Maybe a -> a
fromMaybe Term
forall a. HasCallStack => a
__IMPOSSIBLE__ Maybe Term
mpp
let names :: [Arg ArgName]
names = Telescope -> [Arg ArgName]
teleArgNames (Telescope -> [Arg ArgName]) -> Telescope -> [Arg ArgName]
forall a b. (a -> b) -> a -> b
$ Abs Telescope -> Telescope
forall a. Abs a -> a
unAbs Abs Telescope
tel
b <- TCMT IO (Abs Type)
b
l <- getLevel b
return $ El (Type l) $
pp `apply` [ argH (Level l)
, argN (Lam defaultArgInfo (unEl <$> b))
, argN $ lams names (fst u)
, argN $ lams names (snd u)
]
Maybe (Term, (Term, Term))
Nothing -> do
b <- TCMT IO (Abs Type)
b
return $ El (mkPiSort a b) (Pi a (reAbs b))
where
b :: TCMT IO (Abs Type)
b = (Telescope -> TCM Type) -> Abs Telescope -> TCMT IO (Abs Type)
forall (t :: * -> *) (f :: * -> *) a b.
(Traversable t, Applicative f) =>
(a -> f b) -> t a -> f (t b)
forall (f :: * -> *) a b.
Applicative f =>
(a -> f b) -> Abs a -> f (Abs b)
traverse ([Int] -> Telescope -> TCM Type
telePiPath [Int]
xs) Abs Telescope
tel
telePiPath [Int]
_ Telescope
EmptyTel = TCM Type
forall a. HasCallStack => a
__IMPOSSIBLE__
telePiPath [] Telescope
_ = TCM Type
forall a. HasCallStack => a
__IMPOSSIBLE__
telePiPath (downFrom (size tel)) tel
telePiPath_ :: Telescope -> Type -> [(Int,(Term,Term))] -> TCM Type
telePiPath_ :: Telescope -> Type -> [(Int, (Term, Term))] -> TCM Type
telePiPath_ Telescope
tel Type
t [(Int, (Term, Term))]
bndry = do
ArgName -> Int -> TCMT IO Doc -> TCMT IO ()
forall (m :: * -> *).
MonadDebug m =>
ArgName -> Int -> TCMT IO Doc -> m ()
reportSDoc ArgName
"tc.tel.path" Int
40 (TCMT IO Doc -> TCMT IO ()) -> TCMT IO Doc -> TCMT IO ()
forall a b. (a -> b) -> a -> b
$ ArgName -> TCMT IO Doc
forall (m :: * -> *). Applicative m => ArgName -> m Doc
text ArgName
"tel " TCMT IO Doc -> TCMT IO Doc -> TCMT IO Doc
forall (m :: * -> *). Applicative m => m Doc -> m Doc -> m Doc
<+> Telescope -> TCMT IO Doc
forall a (m :: * -> *). (PrettyTCM a, MonadPretty m) => a -> m Doc
forall (m :: * -> *). MonadPretty m => Telescope -> m Doc
prettyTCM Telescope
tel
ArgName -> Int -> TCMT IO Doc -> TCMT IO ()
forall (m :: * -> *).
MonadDebug m =>
ArgName -> Int -> TCMT IO Doc -> m ()
reportSDoc ArgName
"tc.tel.path" Int
40 (TCMT IO Doc -> TCMT IO ()) -> TCMT IO Doc -> TCMT IO ()
forall a b. (a -> b) -> a -> b
$ Telescope -> TCMT IO Doc -> TCMT IO Doc
forall b (m :: * -> *) a.
(AddContext b, MonadAddContext m) =>
b -> m a -> m a
forall (m :: * -> *) a.
MonadAddContext m =>
Telescope -> m a -> m a
addContext Telescope
tel (TCMT IO Doc -> TCMT IO Doc) -> TCMT IO Doc -> TCMT IO Doc
forall a b. (a -> b) -> a -> b
$ ArgName -> TCMT IO Doc
forall (m :: * -> *). Applicative m => ArgName -> m Doc
text ArgName
"type " TCMT IO Doc -> TCMT IO Doc -> TCMT IO Doc
forall (m :: * -> *). Applicative m => m Doc -> m Doc -> m Doc
<+> Type -> TCMT IO Doc
forall a (m :: * -> *). (PrettyTCM a, MonadPretty m) => a -> m Doc
forall (m :: * -> *). MonadPretty m => Type -> m Doc
prettyTCM Type
t
ArgName -> Int -> TCMT IO Doc -> TCMT IO ()
forall (m :: * -> *).
MonadDebug m =>
ArgName -> Int -> TCMT IO Doc -> m ()
reportSDoc ArgName
"tc.tel.path" Int
40 (TCMT IO Doc -> TCMT IO ()) -> TCMT IO Doc -> TCMT IO ()
forall a b. (a -> b) -> a -> b
$ Telescope -> TCMT IO Doc -> TCMT IO Doc
forall b (m :: * -> *) a.
(AddContext b, MonadAddContext m) =>
b -> m a -> m a
forall (m :: * -> *) a.
MonadAddContext m =>
Telescope -> m a -> m a
addContext Telescope
tel (TCMT IO Doc -> TCMT IO Doc) -> TCMT IO Doc -> TCMT IO Doc
forall a b. (a -> b) -> a -> b
$ ArgName -> TCMT IO Doc
forall (m :: * -> *). Applicative m => ArgName -> m Doc
text ArgName
"bndry" TCMT IO Doc -> TCMT IO Doc -> TCMT IO Doc
forall (m :: * -> *). Applicative m => m Doc -> m Doc -> m Doc
<+> [(Int, (Term, Term))] -> TCMT IO Doc
forall (m :: * -> *) a. (Applicative m, Pretty a) => a -> m Doc
pretty [(Int, (Term, Term))]
bndry
(Abs Type -> Abs Type)
-> ([Arg ArgName] -> Term -> Term)
-> Telescope
-> Type
-> Boundary
-> TCM Type
telePiPath Abs Type -> Abs Type
forall a. a -> a
id [Arg ArgName] -> Term -> Term
forall {t :: * -> *}. Foldable t => t (Arg ArgName) -> Term -> Term
argsLam Telescope
tel Type
t [(Int -> Term
var Int
i, (Term, Term)
u) | (Int
i , (Term, Term)
u) <- [(Int, (Term, Term))]
bndry]
where
argsLam :: t (Arg ArgName) -> Term -> Term
argsLam t (Arg ArgName)
args Term
tm = Impossible -> Int -> Substitution' Term
forall a. Impossible -> Int -> Substitution' a
strengthenS Impossible
HasCallStack => Impossible
impossible Int
1 Substitution' (SubstArg Term) -> Term -> Term
forall a. Subst a => Substitution' (SubstArg a) -> a -> a
`applySubst`
(Arg ArgName -> Term -> Term) -> Term -> t (Arg ArgName) -> Term
forall a b. (a -> b -> b) -> b -> t a -> b
forall (t :: * -> *) a b.
Foldable t =>
(a -> b -> b) -> b -> t a -> b
foldr (\ Arg{argInfo :: forall e. Arg e -> ArgInfo
argInfo = ArgInfo
ai, unArg :: forall e. Arg e -> e
unArg = ArgName
x} -> ArgInfo -> Abs Term -> Term
Lam ArgInfo
ai (Abs Term -> Term) -> (Term -> Abs Term) -> Term -> Term
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ArgName -> Term -> Abs Term
forall a. ArgName -> a -> Abs a
Abs ArgName
x) Term
tm t (Arg ArgName)
args
arityPiPath :: Type -> TCM Int
arityPiPath :: Type -> TCM Int
arityPiPath Type
t = do
Type -> TCMT IO (Either (Dom Type, Abs Type) Type)
forall (m :: * -> *).
HasBuiltins m =>
Type -> m (Either (Dom Type, Abs Type) Type)
piOrPath Type
t TCMT IO (Either (Dom Type, Abs Type) Type)
-> (Either (Dom Type, Abs Type) Type -> TCM Int) -> TCM Int
forall a b. TCMT IO a -> (a -> TCMT IO b) -> TCMT IO b
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \case
Left (Dom Type
_, Abs Type
u) -> (Int -> Int -> Int
forall a. Num a => a -> a -> a
+ Int
1) (Int -> Int) -> TCM Int -> TCM Int
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Type -> TCM Int
arityPiPath (Abs Type -> Type
forall a. Abs a -> a
unAbs Abs Type
u)
Right Type
_ -> Int -> TCM Int
forall a. a -> TCMT IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Int
0
class IApplyVars p where
iApplyVars :: p -> [Int]
instance DeBruijn a => IApplyVars (Pattern' a) where
iApplyVars :: Pattern' a -> [Int]
iApplyVars = \case
IApplyP PatternInfo
_ Term
t Term
u a
x -> [ Int -> Maybe Int -> Int
forall a. a -> Maybe a -> a
fromMaybe Int
forall a. HasCallStack => a
__IMPOSSIBLE__ (Maybe Int -> Int) -> Maybe Int -> Int
forall a b. (a -> b) -> a -> b
$ a -> Maybe Int
forall a. DeBruijn a => a -> Maybe Int
deBruijnView a
x ]
VarP{} -> []
ProjP{} -> []
LitP{} -> []
DotP{} -> []
DefP PatternInfo
_ QName
_ [NamedArg (Pattern' a)]
ps -> [NamedArg (Pattern' a)] -> [Int]
forall p. IApplyVars p => p -> [Int]
iApplyVars [NamedArg (Pattern' a)]
ps
ConP ConHead
_ ConPatternInfo
_ [NamedArg (Pattern' a)]
ps -> [NamedArg (Pattern' a)] -> [Int]
forall p. IApplyVars p => p -> [Int]
iApplyVars [NamedArg (Pattern' a)]
ps
instance IApplyVars p => IApplyVars (NamedArg p) where
iApplyVars :: NamedArg p -> [Int]
iApplyVars = p -> [Int]
forall p. IApplyVars p => p -> [Int]
iApplyVars (p -> [Int]) -> (NamedArg p -> p) -> NamedArg p -> [Int]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. NamedArg p -> p
forall a. NamedArg a -> a
namedArg
instance IApplyVars p => IApplyVars [p] where
iApplyVars :: [p] -> [Int]
iApplyVars = (p -> [Int]) -> [p] -> [Int]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap p -> [Int]
forall p. IApplyVars p => p -> [Int]
iApplyVars
{-# SPECIALIZE isInterval :: Type -> TCM Bool #-}
isInterval :: (MonadTCM m, MonadReduce m) => Type -> m Bool
isInterval :: forall (m :: * -> *). (MonadTCM m, MonadReduce m) => Type -> m Bool
isInterval Type
t = TCM Bool -> m Bool
forall a. TCM a -> m a
forall (tcm :: * -> *) a. MonadTCM tcm => TCM a -> tcm a
liftTCM (TCM Bool -> m Bool) -> TCM Bool -> m Bool
forall a b. (a -> b) -> a -> b
$ do
TCMT IO (Maybe QName)
-> TCM Bool -> (QName -> TCM Bool) -> TCM Bool
forall (m :: * -> *) a b.
Monad m =>
m (Maybe a) -> m b -> (a -> m b) -> m b
caseMaybeM (BuiltinId -> TCMT IO (Maybe QName)
forall (m :: * -> *) a.
(HasBuiltins m, IsBuiltin a) =>
a -> m (Maybe QName)
getName' BuiltinId
builtinInterval) (Bool -> TCM Bool
forall a. a -> TCMT IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False) ((QName -> TCM Bool) -> TCM Bool)
-> (QName -> TCM Bool) -> TCM Bool
forall a b. (a -> b) -> a -> b
$ \ QName
i -> do
Term -> TCMT IO Term
forall a (m :: * -> *). (Reduce a, MonadReduce m) => a -> m a
reduce (Type -> Term
forall t a. Type'' t a -> a
unEl Type
t) TCMT IO Term -> (Term -> Bool) -> TCM Bool
forall (f :: * -> *) a b. Functor f => f a -> (a -> b) -> f b
<&> \case
Def QName
q [] -> QName
q QName -> QName -> Bool
forall a. Eq a => a -> a -> Bool
== QName
i
Term
_ -> Bool
False