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move pushSubsts to Q.S.T.Subst

This commit is contained in:
rhiannon morris 2023-02-26 11:17:42 +01:00
parent 55cdb19a4c
commit 60f07a938e
2 changed files with 103 additions and 104 deletions
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104
lib/Quox/Reduce.idr
View File

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

103
lib/Quox/Syntax/Term/Subst.idr
View File

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