move pushSubsts to Q.S.T.Subst
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2 changed files with 103 additions and 104 deletions
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@ -10,110 +10,6 @@ import Data.List
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%default total
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public export
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0 CloTest : TermLike -> Type
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CloTest tm = forall q, d, n. tm q d n -> Bool
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interface PushSubsts (0 tm : TermLike) (0 isClo : CloTest tm) | tm where
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pushSubstsWith : DSubst dfrom dto -> TSubst q dto from to ->
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tm q dfrom from -> Subset (tm q dto to) (No . isClo)
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public export
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0 NotClo : {isClo : CloTest tm} -> PushSubsts tm isClo => Pred (tm q d n)
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NotClo = No . isClo
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public export
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0 NonClo : (tm : TermLike) -> {isClo : CloTest tm} ->
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PushSubsts tm isClo => TermLike
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NonClo tm q d n = Subset (tm q d n) NotClo
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public export %inline
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nclo : {isClo : CloTest tm} -> (0 _ : PushSubsts tm isClo) =>
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(t : tm q d n) -> (0 nc : NotClo t) => NonClo tm q d n
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nclo t = Element t nc
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parameters {0 isClo : CloTest tm} {auto _ : PushSubsts tm isClo}
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||| if the input term has any top-level closures, push them under one layer of
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||| syntax
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export %inline
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pushSubsts : tm q d n -> NonClo tm q d n
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pushSubsts s = pushSubstsWith id id s
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export %inline
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pushSubstsWith' : DSubst dfrom dto -> TSubst q dto from to ->
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tm q dfrom from -> tm q dto to
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pushSubstsWith' th ph x = fst $ pushSubstsWith th ph x
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mutual
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public export
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isCloT : CloTest Term
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isCloT (CloT {}) = True
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isCloT (DCloT {}) = True
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isCloT (E e) = isCloE e
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isCloT _ = False
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public export
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isCloE : CloTest Elim
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isCloE (CloE {}) = True
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isCloE (DCloE {}) = True
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isCloE _ = False
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mutual
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export
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PushSubsts Term Reduce.isCloT where
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pushSubstsWith th ph (TYPE l) =
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nclo $ TYPE l
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pushSubstsWith th ph (Pi qty a body) =
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nclo $ Pi qty (a // th // ph) (body // th // ph)
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pushSubstsWith th ph (Lam body) =
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nclo $ Lam (body // th // ph)
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pushSubstsWith th ph (Sig a b) =
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nclo $ Sig (a // th // ph) (b // th // ph)
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pushSubstsWith th ph (Pair s t) =
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nclo $ Pair (s // th // ph) (t // th // ph)
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pushSubstsWith th ph (Enum tags) =
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nclo $ Enum tags
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pushSubstsWith th ph (Tag tag) =
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nclo $ Tag tag
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pushSubstsWith th ph (Eq ty l r) =
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nclo $ Eq (ty // th // ph) (l // th // ph) (r // th // ph)
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pushSubstsWith th ph (DLam body) =
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nclo $ DLam (body // th // ph)
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pushSubstsWith th ph (E e) =
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let Element e nc = pushSubstsWith th ph e in nclo $ E e
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pushSubstsWith th ph (CloT s ps) =
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pushSubstsWith th (comp th ps ph) s
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pushSubstsWith th ph (DCloT s ps) =
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pushSubstsWith (ps . th) ph s
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export
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PushSubsts Elim Reduce.isCloE where
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pushSubstsWith th ph (F x) =
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nclo $ F x
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pushSubstsWith th ph (B i) =
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let res = ph !! i in
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case nchoose $ isCloE res of
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Left yes => assert_total pushSubsts res
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Right no => Element res no
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pushSubstsWith th ph (f :@ s) =
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nclo $ (f // th // ph) :@ (s // th // ph)
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pushSubstsWith th ph (CasePair pi p r b) =
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nclo $ CasePair pi (p // th // ph) (r // th // ph) (b // th // ph)
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pushSubstsWith th ph (CaseEnum pi t r arms) =
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nclo $ CaseEnum pi (t // th // ph) (r // th // ph)
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(map (\b => b // th // ph) arms)
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pushSubstsWith th ph (f :% d) =
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nclo $ (f // th // ph) :% (d // th)
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pushSubstsWith th ph (s :# a) =
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nclo $ (s // th // ph) :# (a // th // ph)
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pushSubstsWith th ph (CloE e ps) =
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pushSubstsWith th (comp th ps ph) e
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pushSubstsWith th ph (DCloE e ps) =
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pushSubstsWith (ps . th) ph e
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||| errors that might happen if you pass an ill typed expression into
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||| whnf. don't do that please
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public export
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@ -1,5 +1,6 @@
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module Quox.Syntax.Term.Subst
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import Quox.No
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import Quox.Syntax.Term.Base
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import Data.Vect
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@ -196,3 +197,105 @@ body.zero = dsub1 body $ K Zero
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public export %inline
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(.one) : DScopeTerm q d n -> Term q d n
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body.one = dsub1 body $ K One
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public export
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0 CloTest : TermLike -> Type
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CloTest tm = forall q, d, n. tm q d n -> Bool
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interface PushSubsts (0 tm : TermLike) (0 isClo : CloTest tm) | tm where
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pushSubstsWith : DSubst dfrom dto -> TSubst q dto from to ->
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tm q dfrom from -> Subset (tm q dto to) (No . isClo)
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public export
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0 NotClo : {isClo : CloTest tm} -> PushSubsts tm isClo => Pred (tm q d n)
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NotClo = No . isClo
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public export
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0 NonClo : (tm : TermLike) -> {isClo : CloTest tm} ->
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PushSubsts tm isClo => TermLike
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NonClo tm q d n = Subset (tm q d n) NotClo
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public export %inline
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nclo : {isClo : CloTest tm} -> (0 _ : PushSubsts tm isClo) =>
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(t : tm q d n) -> (0 nc : NotClo t) => NonClo tm q d n
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nclo t = Element t nc
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parameters {0 isClo : CloTest tm} {auto _ : PushSubsts tm isClo}
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||| if the input term has any top-level closures, push them under one layer of
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||| syntax
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export %inline
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pushSubsts : tm q d n -> NonClo tm q d n
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pushSubsts s = pushSubstsWith id id s
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export %inline
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pushSubstsWith' : DSubst dfrom dto -> TSubst q dto from to ->
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tm q dfrom from -> tm q dto to
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pushSubstsWith' th ph x = fst $ pushSubstsWith th ph x
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mutual
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public export
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isCloT : CloTest Term
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isCloT (CloT {}) = True
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isCloT (DCloT {}) = True
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isCloT (E e) = isCloE e
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isCloT _ = False
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public export
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isCloE : CloTest Elim
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isCloE (CloE {}) = True
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isCloE (DCloE {}) = True
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isCloE _ = False
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mutual
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export
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PushSubsts Term Subst.isCloT where
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pushSubstsWith th ph (TYPE l) =
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nclo $ TYPE l
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pushSubstsWith th ph (Pi qty a body) =
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nclo $ Pi qty (a // th // ph) (body // th // ph)
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pushSubstsWith th ph (Lam body) =
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nclo $ Lam (body // th // ph)
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pushSubstsWith th ph (Sig a b) =
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nclo $ Sig (a // th // ph) (b // th // ph)
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pushSubstsWith th ph (Pair s t) =
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nclo $ Pair (s // th // ph) (t // th // ph)
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pushSubstsWith th ph (Enum tags) =
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nclo $ Enum tags
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pushSubstsWith th ph (Tag tag) =
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nclo $ Tag tag
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pushSubstsWith th ph (Eq ty l r) =
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nclo $ Eq (ty // th // ph) (l // th // ph) (r // th // ph)
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pushSubstsWith th ph (DLam body) =
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nclo $ DLam (body // th // ph)
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pushSubstsWith th ph (E e) =
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let Element e nc = pushSubstsWith th ph e in nclo $ E e
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pushSubstsWith th ph (CloT s ps) =
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pushSubstsWith th (comp th ps ph) s
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pushSubstsWith th ph (DCloT s ps) =
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pushSubstsWith (ps . th) ph s
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export
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PushSubsts Elim Subst.isCloE where
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pushSubstsWith th ph (F x) =
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nclo $ F x
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pushSubstsWith th ph (B i) =
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let res = ph !! i in
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case nchoose $ isCloE res of
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Left yes => assert_total pushSubsts res
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Right no => Element res no
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pushSubstsWith th ph (f :@ s) =
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nclo $ (f // th // ph) :@ (s // th // ph)
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pushSubstsWith th ph (CasePair pi p r b) =
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nclo $ CasePair pi (p // th // ph) (r // th // ph) (b // th // ph)
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pushSubstsWith th ph (CaseEnum pi t r arms) =
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nclo $ CaseEnum pi (t // th // ph) (r // th // ph)
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(map (\b => b // th // ph) arms)
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pushSubstsWith th ph (f :% d) =
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nclo $ (f // th // ph) :% (d // th)
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pushSubstsWith th ph (s :# a) =
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nclo $ (s // th // ph) :# (a // th // ph)
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pushSubstsWith th ph (CloE e ps) =
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pushSubstsWith th (comp th ps ph) e
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pushSubstsWith th ph (DCloE e ps) =
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pushSubstsWith (ps . th) ph e
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