1 files changed, 0 insertions, 95 deletions
diff --git a/src/AST/Env.hs b/src/AST/Env.hs
deleted file mode 100644
index 85faba3..0000000
--- a/src/AST/Env.hs
+++ /dev/null
@@ -1,95 +0,0 @@
-{-# LANGUAGE DataKinds #-}
-{-# LANGUAGE EmptyCase #-}
-{-# LANGUAGE GADTs #-}
-{-# LANGUAGE PatternSynonyms #-}
-{-# LANGUAGE PolyKinds #-}
-{-# LANGUAGE QuantifiedConstraints #-}
-{-# LANGUAGE RankNTypes #-}
-{-# LANGUAGE StandaloneDeriving #-}
-{-# LANGUAGE TypeOperators #-}
-module AST.Env where
-
-import Data.Type.Equality
-
-import AST.Sparse
-import AST.Weaken
-import CHAD.Types
-import Data
-
-
--- | @env'@ is a subset of @env@: each element of @env@ is either included in
--- @env'@ ('SEYes') or not included in @env'@ ('SENo').
-data Subenv' s env env' where
-  SETop :: Subenv' s '[] '[]
-  SEYes :: forall t t' env env' s. s t t' -> Subenv' s env env' -> Subenv' s (t : env) (t' : env')
-  SENo  :: forall t env env' s. Subenv' s env env' -> Subenv' s (t : env) env'
-deriving instance (forall t t'. Show (s t t')) => Show (Subenv' s env env')
-
-type Subenv = Subenv' (:~:)
-type SubenvS = Subenv' Sparse
-
-pattern SEYesR :: forall tenv tenv'. ()
-               => forall t env env'. (tenv ~ t : env, tenv' ~ t : env')
-               => Subenv env env' -> Subenv tenv tenv'
-pattern SEYesR s = SEYes Refl s
-
-{-# COMPLETE SETop, SEYesR, SENo #-}
-
-subList :: (IsSubType s, IsSubTypeSubject s f) => SList f env -> Subenv' s env env' -> SList f env'
-subList SNil SETop = SNil
-subList (SCons x xs) (SEYes s sub) = SCons (subtApply s x) (subList xs sub)
-subList (SCons _ xs) (SENo sub) = subList xs sub
-
-subenvAll :: (IsSubType s, IsSubTypeSubject s f) => SList f env -> Subenv' s env env
-subenvAll SNil = SETop
-subenvAll (SCons t env) = SEYes (subtFull t) (subenvAll env)
-
-subenvNone :: SList f env -> Subenv' s env '[]
-subenvNone SNil = SETop
-subenvNone (SCons _ env) = SENo (subenvNone env)
-
-subenvOnehot :: SList f env -> Idx env t -> s t t' -> Subenv' s env '[t']
-subenvOnehot (SCons _ env) IZ sp = SEYes sp (subenvNone env)
-subenvOnehot (SCons _ env) (IS i) sp = SENo (subenvOnehot env i sp)
-subenvOnehot SNil i _ = case i of {}
-
-subenvCompose :: IsSubType s => Subenv' s env1 env2 -> Subenv' s env2 env3 -> Subenv' s env1 env3
-subenvCompose SETop SETop = SETop
-subenvCompose (SEYes s1 sub1) (SEYes s2 sub2) = SEYes (subtTrans s1 s2) (subenvCompose sub1 sub2)
-subenvCompose (SEYes _ sub1) (SENo sub2) = SENo (subenvCompose sub1 sub2)
-subenvCompose (SENo sub1) sub2 = SENo (subenvCompose sub1 sub2)
-
-subenvConcat :: Subenv' s env1 env1' -> Subenv' s env2 env2' -> Subenv' s (Append env2 env1) (Append env2' env1')
-subenvConcat sub1 SETop = sub1
-subenvConcat sub1 (SEYes s sub2) = SEYes s (subenvConcat sub1 sub2)
-subenvConcat sub1 (SENo sub2) = SENo (subenvConcat sub1 sub2)
-
--- subenvSplit :: SList f env1a -> Subenv' s (Append env1a env1b) env2
---             -> (forall env2a env2b. Subenv' s env1a env2a -> Subenv' s env1b env2b -> r) -> r
--- subenvSplit SNil sub k = k SETop sub
--- subenvSplit (SCons _ list) (SENo sub) k =
---   subenvSplit list sub $ \sub1 sub2 ->
---     k (SENo sub1) sub2
--- subenvSplit (SCons _ list) (SEYes s sub) k =
---   subenvSplit list sub $ \sub1 sub2 ->
---     k (SEYes s sub1) sub2
-
-sinkWithSubenv :: Subenv' s env env' -> env0 :> Append env' env0
-sinkWithSubenv SETop = WId
-sinkWithSubenv (SEYes _ sub) = WSink .> sinkWithSubenv sub
-sinkWithSubenv (SENo sub) = sinkWithSubenv sub
-
-wUndoSubenv :: Subenv' (:~:) env env' -> env' :> env
-wUndoSubenv SETop = WId
-wUndoSubenv (SEYes Refl sub) = WCopy (wUndoSubenv sub)
-wUndoSubenv (SENo sub) = WSink .> wUndoSubenv sub
-
-subenvMap :: (forall a a'. f a -> s a a' -> s' a a') -> SList f env -> Subenv' s env env' -> Subenv' s' env env'
-subenvMap _ SNil SETop = SETop
-subenvMap f (t `SCons` l) (SEYes s sub) = SEYes (f t s) (subenvMap f l sub)
-subenvMap f (_ `SCons` l) (SENo sub) = SENo (subenvMap f l sub)
-
-subenvD2E :: Subenv env env' -> Subenv (D2E env) (D2E env')
-subenvD2E SETop = SETop
-subenvD2E (SEYesR sub) = SEYesR (subenvD2E sub)
-subenvD2E (SENo sub) = SENo (subenvD2E sub)