add logging to core

This commit is contained in:
rhiannon morris 2024-04-04 19:23:08 +02:00
parent 861bd55f94
commit 3b6ae36e4e
14 changed files with 353 additions and 132 deletions

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@ -146,7 +146,8 @@ liftErase : Q.Definitions -> Eff Erase a -> Eff Compile a
liftErase defs act =
runEff act
[handleExcept $ \err => throw $ EraseError err,
handleStateIORef !(asksAt STATE suf)]
handleStateIORef !(asksAt STATE suf),
\g => send g]
export %inline
liftScheme : Eff Scheme a -> Eff Compile (a, List Id)

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@ -2,9 +2,12 @@ module Quox.Equal
import Quox.BoolExtra
import public Quox.Typing
import Data.Maybe
import Quox.EffExtra
import Quox.FreeVars
import Quox.Pretty
import Quox.EffExtra
import Data.List1
import Data.Maybe
%default total
@ -15,11 +18,11 @@ EqModeState = State EqMode
public export
Equal : List (Type -> Type)
Equal = [ErrorEff, DefsReader, NameGen]
Equal = [ErrorEff, DefsReader, NameGen, Log]
public export
EqualInner : List (Type -> Type)
EqualInner = [ErrorEff, NameGen, EqModeState]
EqualInner = [ErrorEff, NameGen, EqModeState, Log]
export %inline
@ -74,9 +77,25 @@ sameTyCon (E {}) _ = False
||| * `[π.A]` is empty if `A` is.
||| * that's it.
public export covering
isEmpty : Definitions -> EqContext n -> SQty -> Term 0 n ->
Eff EqualInner Bool
isEmpty defs ctx sg ty0 = do
isEmpty :
{default 30 logLevel : Nat} -> (0 _ : So (isLogLevel logLevel)) =>
Definitions -> EqContext n -> SQty -> Term 0 n -> Eff EqualInner Bool
private covering
isEmptyNoLog :
Definitions -> EqContext n -> SQty -> Term 0 n -> Eff EqualInner Bool
isEmpty defs ctx sg ty = do
sayMany "equal" ty.loc
[logLevel :> "isEmpty",
95 :> hsep ["ctx =", runPretty $ prettyEqContext ctx],
95 :> hsep ["sg =", runPretty $ prettyQty sg.qty],
logLevel :> hsep ["ty =", runPretty $ prettyTerm [<] ctx.tnames ty]]
res <- isEmptyNoLog defs ctx sg ty
say "equal" logLevel ty.loc $ hsep ["isEmpty ⇝", pshow res]
pure res
isEmptyNoLog defs ctx sg ty0 = do
Element ty0 nc <- whnf defs ctx sg ty0.loc ty0
let Left y = choose $ isTyConE ty0
| Right n => pure False
@ -85,16 +104,17 @@ isEmpty defs ctx sg ty0 = do
IOState {} => pure False
Pi {arg, res, _} => pure False
Sig {fst, snd, _} =>
isEmpty defs ctx sg fst `orM`
isEmpty defs (extendTy0 snd.name fst ctx) sg snd.term
isEmpty defs ctx sg fst {logLevel = 90} `orM`
isEmpty defs (extendTy0 snd.name fst ctx) sg snd.term {logLevel = 90}
Enum {cases, _} =>
pure $ null cases
Eq {} => pure False
NAT {} => pure False
STRING {} => pure False
BOX {ty, _} => isEmpty defs ctx sg ty
BOX {ty, _} => isEmpty defs ctx sg ty {logLevel = 90}
E _ => pure False
||| true if a type is known to be a subsingleton purely by its form.
||| a subsingleton is a type with only zero or one possible values.
||| equality/subtyping accepts immediately on values of subsingleton types.
@ -106,27 +126,42 @@ isEmpty defs ctx sg ty0 = do
||| * an enum type is a subsingleton if it has zero or one tags.
||| * a box type is a subsingleton if its content is
public export covering
isSubSing : Definitions -> EqContext n -> SQty -> Term 0 n ->
Eff EqualInner Bool
isSubSing defs ctx sg ty0 = do
isSubSing :
{default 30 logLevel : Nat} -> (0 _ : So (isLogLevel logLevel)) =>
Definitions -> EqContext n -> SQty -> Term 0 n -> Eff EqualInner Bool
private covering
isSubSingNoLog :
Definitions -> EqContext n -> SQty -> Term 0 n -> Eff EqualInner Bool
isSubSing defs ctx sg ty = do
sayMany "equal" ty.loc
[logLevel :> "isSubSing",
95 :> hsep ["ctx =", runPretty $ prettyEqContext ctx],
95 :> hsep ["sg =", runPretty $ prettyQty sg.qty],
logLevel :> hsep ["ty =", runPretty $ prettyTerm [<] ctx.tnames ty]]
res <- isSubSingNoLog defs ctx sg ty
say "equal" logLevel ty.loc $ hsep ["isSubsing ⇝", pshow res]
pure res
isSubSingNoLog defs ctx sg ty0 = do
Element ty0 nc <- whnf defs ctx sg ty0.loc ty0
let Left y = choose $ isTyConE ty0
| Right n => pure False
let Left y = choose $ isTyConE ty0 | _ => pure False
case ty0 of
TYPE {} => pure False
IOState {} => pure False
Pi {arg, res, _} =>
isEmpty defs ctx sg arg `orM`
isSubSing defs (extendTy0 res.name arg ctx) sg res.term
isEmpty defs ctx sg arg {logLevel = 90} `orM`
isSubSing defs (extendTy0 res.name arg ctx) sg res.term {logLevel = 90}
Sig {fst, snd, _} =>
isSubSing defs ctx sg fst `andM`
isSubSing defs (extendTy0 snd.name fst ctx) sg snd.term
isSubSing defs ctx sg fst {logLevel = 90} `andM`
isSubSing defs (extendTy0 snd.name fst ctx) sg snd.term {logLevel = 90}
Enum {cases, _} =>
pure $ length (SortedSet.toList cases) <= 1
Eq {} => pure True
NAT {} => pure False
STRING {} => pure False
BOX {ty, _} => isSubSing defs ctx sg ty
BOX {ty, _} => isSubSing defs ctx sg ty {logLevel = 90}
E _ => pure False
@ -137,12 +172,21 @@ bigger l r = gets $ \case Super => l; _ => r
export
ensureTyCon : Has ErrorEff fs =>
(loc : Loc) -> (ctx : EqContext n) -> (t : Term 0 n) ->
Eff fs (So (isTyConE t))
ensureTyCon loc ctx t = case nchoose $ isTyConE t of
Left y => pure y
Right n => throw $ NotType loc (toTyContext ctx) (t // shift0 ctx.dimLen)
ensureTyCon, ensureTyConNoLog :
(Has Log fs, Has ErrorEff fs) =>
(loc : Loc) -> (ctx : EqContext n) -> (t : Term 0 n) ->
Eff fs (So (isTyConE t))
ensureTyConNoLog loc ctx ty = do
case nchoose $ isTyConE ty of
Left y => pure y
Right n => throw $ NotType loc (toTyContext ctx) (ty // shift0 ctx.dimLen)
ensureTyCon loc ctx ty = do
sayMany "equal" ty.loc
[60 :> "ensureTyCon",
95 :> hsep ["ctx =", runPretty $ prettyEqContext ctx],
60 :> hsep ["ty =", runPretty $ prettyTerm [<] ctx.tnames ty]]
ensureTyConNoLog loc ctx ty
namespace Term
@ -750,7 +794,11 @@ namespace Elim
namespace Term
compare0 defs ctx sg ty s t =
export covering %inline
compare0NoLog :
Definitions -> EqContext n -> SQty -> (ty, s, t : Term 0 n) ->
Eff EqualInner ()
compare0NoLog defs ctx sg ty s t =
wrapErr (WhileComparingT ctx !mode sg ty s t) $ do
Element ty' _ <- whnf defs ctx SZero ty.loc ty
Element s' _ <- whnf defs ctx sg s.loc s
@ -758,20 +806,72 @@ namespace Term
tty <- ensureTyCon ty.loc ctx ty'
compare0' defs ctx sg ty' s' t'
compare0 defs ctx sg ty s t = do
sayMany "equal" s.loc
[30 :> "Term.compare0",
30 :> hsep ["mode =", pshow !mode],
95 :> hsep ["ctx =", runPretty $ prettyEqContext ctx],
95 :> hsep ["sg =", runPretty $ prettyQty sg.qty],
31 :> hsep ["ty =", runPretty $ prettyTerm [<] ctx.tnames ty],
30 :> hsep ["s =", runPretty $ prettyTerm [<] ctx.tnames s],
30 :> hsep ["t =", runPretty $ prettyTerm [<] ctx.tnames t]]
compare0NoLog defs ctx sg ty s t
namespace Elim
compare0 defs ctx sg e f = do
export covering %inline
compare0NoLog :
Definitions -> EqContext n -> SQty -> (e, f : Elim 0 n) ->
Eff EqualInner (Term 0 n)
compare0NoLog defs ctx sg e f = do
(ty, err) <- runStateAt InnerErr Nothing $ compare0Inner defs ctx sg e f
maybe (pure ty) throw err
compareType defs ctx s t = do
compare0 defs ctx sg e f = do
sayMany "equal" e.loc
[30 :> "Elim.compare0",
30 :> hsep ["mode =", pshow !mode],
95 :> hsep ["ctx =", runPretty $ prettyEqContext ctx],
95 :> hsep ["sg =", runPretty $ prettyQty sg.qty],
30 :> hsep ["e =", runPretty $ prettyElim [<] ctx.tnames e],
30 :> hsep ["f =", runPretty $ prettyElim [<] ctx.tnames f]]
ty <- compare0NoLog defs ctx sg e f
say "equal" 31 e.loc $
hsep ["Elim.compare0 ⇝", runPretty $ prettyTerm [<] ctx.tnames ty]
pure ty
export covering %inline
compareTypeNoLog :
Definitions -> EqContext n -> (s, t : Term 0 n) -> Eff EqualInner ()
compareTypeNoLog defs ctx s t = do
Element s' _ <- whnf defs ctx SZero s.loc s
Element t' _ <- whnf defs ctx SZero t.loc t
ts <- ensureTyCon s.loc ctx s'
tt <- ensureTyCon t.loc ctx t'
st <- either pure (const $ clashTy s.loc ctx s' t') $
nchoose $ sameTyCon s' t'
let Left _ = choose $ sameTyCon s' t' | _ => clashTy s.loc ctx s' t'
compareType' defs ctx s' t'
compareType defs ctx s t = do
sayMany "equal" s.loc
[30 :> "compareType",
30 :> hsep ["mode =", pshow !mode],
95 :> hsep ["ctx =", runPretty $ prettyEqContext ctx],
30 :> hsep ["s =", runPretty $ prettyTerm [<] ctx.tnames s],
30 :> hsep ["t =", runPretty $ prettyTerm [<] ctx.tnames t]]
compareTypeNoLog defs ctx s t
private
getVars : TyContext d _ -> FreeVars d -> List BindName
getVars ctx (FV fvs) = case ctx.dctx of
ZeroIsOne => []
C eqs => toList $ getVars' ctx.dnames eqs fvs
where
getVars' : BContext d' -> DimEq' d' -> FreeVars' d' -> SnocList BindName
getVars' (names :< name) (eqs :< eq) (fvs :< fv) =
let rest = getVars' names eqs fvs in
case eq of Nothing => rest :< name
Just _ => rest
getVars' [<] [<] [<] = [<]
parameters (loc : Loc) (ctx : TyContext d n)
parameters (mode : EqMode)
@ -780,9 +880,11 @@ parameters (loc : Loc) (ctx : TyContext d n)
fromInner = lift . map fst . runState mode
private
eachFace : Applicative f => FreeVars d ->
(EqContext n -> DSubst d 0 -> f ()) -> f ()
eachFace fvs act =
eachCorner : Has Log fs => Loc -> FreeVars d ->
(EqContext n -> DSubst d 0 -> Eff fs ()) -> Eff fs ()
eachCorner loc fvs act = do
say "equal" 50 loc $
hsep $ "eachCorner: split on" :: map prettyBind' (getVars ctx fvs)
for_ (splits loc ctx.dctx fvs) $ \th =>
act (makeEqContext ctx th) th
@ -792,31 +894,36 @@ parameters (loc : Loc) (ctx : TyContext d n)
Definitions -> EqContext n -> DSubst d 0 -> Eff EqualInner ()
private
runCompare : FreeVars d -> CompareAction d n -> Eff Equal ()
runCompare fvs act = fromInner $ eachFace fvs $ act !(askAt DEFS)
runCompare : Loc -> FreeVars d -> CompareAction d n -> Eff Equal ()
runCompare loc fvs act = fromInner $ eachCorner loc fvs $ act !(askAt DEFS)
private
fdvAll : HasFreeDVars t => List (t d n) -> FreeVars d
fdvAll = let Val d = ctx.dimLen in foldMap (fdvWith [|d|] ctx.termLen)
foldMap1 : Semigroup b => (a -> b) -> List1 a -> b
foldMap1 f = foldl1By (\x, y => x <+> f y) f
private
fdvAll : HasFreeDVars t => (xs : List (t d n)) -> (0 _ : NonEmpty xs) =>
FreeVars d
fdvAll (x :: xs) = foldMap1 (fdvWith ctx.dimLen ctx.termLen) (x ::: xs)
namespace Term
export covering
compare : SQty -> (ty, s, t : Term d n) -> Eff Equal ()
compare sg ty s t = runCompare (fdvAll [ty, s, t]) $ \defs, ectx, th =>
compare0 defs ectx sg (ty // th) (s // th) (t // th)
compare sg ty s t = runCompare s.loc (fdvAll [ty, s, t]) $
\defs, ectx, th => compare0 defs ectx sg (ty // th) (s // th) (t // th)
export covering
compareType : (s, t : Term d n) -> Eff Equal ()
compareType s t = runCompare (fdvAll [s, t]) $ \defs, ectx, th =>
compareType defs ectx (s // th) (t // th)
compareType s t = runCompare s.loc (fdvAll [s, t]) $
\defs, ectx, th => compareType defs ectx (s // th) (t // th)
namespace Elim
||| you don't have to pass the type in but the arguments must still be
||| of the same type!!
export covering
compare : SQty -> (e, f : Elim d n) -> Eff Equal ()
compare sg e f = runCompare (fdvAll [e, f]) $ \defs, ectx, th =>
ignore $ compare0 defs ectx sg (e // th) (f // th)
compare sg e f = runCompare e.loc (fdvAll [e, f]) $
\defs, ectx, th => ignore $ compare0 defs ectx sg (e // th) (f // th)
namespace Term
export covering %inline

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@ -331,6 +331,7 @@ liftTC : Eff TC a -> Eff FromParserPure a
liftTC tc = runEff tc $ with Union.(::)
[handleExcept $ \e => throw $ WrapTypeError e,
handleReaderConst !(getAt DEFS),
\g => send g,
\g => send g]
private

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@ -59,10 +59,15 @@ Traversable (IfConsistent eqs) where
traverse f Nothing = pure Nothing
traverse f (Just x) = Just <$> f x
public export
ifConsistentElse : Applicative f => (eqs : DimEq d) ->
f a -> f () -> f (IfConsistent eqs a)
ifConsistentElse ZeroIsOne yes no = Nothing <$ no
ifConsistentElse (C _) yes no = Just <$> yes
public export
ifConsistent : Applicative f => (eqs : DimEq d) -> f a -> f (IfConsistent eqs a)
ifConsistent ZeroIsOne act = pure Nothing
ifConsistent (C _) act = Just <$> act
ifConsistent eqs act = ifConsistentElse eqs act (pure ())
public export
toMaybe : IfConsistent eqs a -> Maybe a

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@ -3,6 +3,7 @@ module Quox.Typechecker
import public Quox.Typing
import public Quox.Equal
import Quox.Displace
import Quox.Pretty
import Data.List
import Data.SnocVect
@ -14,7 +15,7 @@ import Quox.EffExtra
public export
0 TC : List (Type -> Type)
TC = [ErrorEff, DefsReader, NameGen]
TC = [ErrorEff, DefsReader, NameGen, Log]
parameters (loc : Loc)
@ -41,6 +42,24 @@ lubs ctx [] = zeroFor ctx
lubs ctx (x :: xs) = lubs1 $ x ::: xs
private
prettyTermTC : {opts : LayoutOpts} ->
TyContext d n -> Term d n -> Eff Pretty (Doc opts)
prettyTermTC ctx s = prettyTerm ctx.dnames ctx.tnames s
private
checkLogs : String -> TyContext d n -> SQty ->
Term d n -> Maybe (Term d n) -> Eff TC ()
checkLogs fun ctx sg subj ty = do
let tyDoc = delay $ maybe (text "none") (runPretty . prettyTermTC ctx) ty
sayMany "check" subj.loc
[10 :> text fun,
95 :> hsep ["ctx =", runPretty $ prettyTyContext ctx],
95 :> hsep ["sg =", runPretty $ prettyQty sg.qty],
10 :> hsep ["subj =", runPretty $ prettyTermTC ctx subj],
10 :> hsep ["ty =", tyDoc]]
mutual
||| "Ψ | Γ ⊢ σ · s ⇐ A ⊳ Σ"
|||
@ -53,7 +72,11 @@ mutual
export covering %inline
check : (ctx : TyContext d n) -> SQty -> Term d n -> Term d n ->
Eff TC (CheckResult ctx.dctx n)
check ctx sg subj ty = ifConsistent ctx.dctx $ checkC ctx sg subj ty
check ctx sg subj ty =
ifConsistentElse ctx.dctx
(do checkLogs "check" ctx sg subj (Just ty)
checkC ctx sg subj ty)
(say "check" 20 subj.loc "check: 0=1")
||| "Ψ | Γ ⊢₀ s ⇐ A"
|||
@ -84,7 +107,12 @@ mutual
||| universe doesn't matter, only that a term is _a_ type, so it is optional.
export covering %inline
checkType : TyContext d n -> Term d n -> Maybe Universe -> Eff TC ()
checkType ctx subj l = ignore $ ifConsistent ctx.dctx $ checkTypeC ctx subj l
checkType ctx subj l = do
let univ = TYPE <$> l <*> pure noLoc
ignore $ ifConsistentElse ctx.dctx
(do checkLogs "checkType" ctx SZero subj univ
checkTypeC ctx subj l)
(say "check" 20 subj.loc "checkType: 0=1")
export covering %inline
checkTypeC : TyContext d n -> Term d n -> Maybe Universe -> Eff TC ()
@ -107,7 +135,11 @@ mutual
export covering %inline
infer : (ctx : TyContext d n) -> SQty -> Elim d n ->
Eff TC (InferResult ctx.dctx d n)
infer ctx sg subj = ifConsistent ctx.dctx $ inferC ctx sg subj
infer ctx sg subj = do
ifConsistentElse ctx.dctx
(do checkLogs "infer" ctx sg (E subj) Nothing
inferC ctx sg subj)
(say "check" 20 subj.loc "infer: 0=1")
||| `infer`, assuming the dimension context is consistent
export covering %inline

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@ -7,6 +7,7 @@ import public Quox.Typing.Error as Typing
import public Quox.Syntax
import public Quox.Definition
import public Quox.Whnf
import public Quox.Pretty
import Language.Reflection
import Control.Eff
@ -46,16 +47,15 @@ lookupFree x loc defs = maybe (throw $ NotInScope loc x) pure $ lookup x defs
public export
substCasePairRet : BContext 2 -> Term d n -> ScopeTerm d n -> Term d (2 + n)
substCasePairRet [< x, y] dty retty =
let tm = Pair (BVT 1 x.loc) (BVT 0 y.loc) $ x.loc `extendL` y.loc
arg = Ann tm (dty // fromNat 2) tm.loc
in
let tm = Pair (BVT 1 x.loc) (BVT 0 y.loc) $ x.loc `extendL` y.loc
arg = Ann tm (dty // fromNat 2) tm.loc in
retty.term // (arg ::: shift 2)
public export
substCaseSuccRet : BContext 2 -> ScopeTerm d n -> Term d (2 + n)
substCaseSuccRet [< p, ih] retty =
let arg = Ann (Succ (BVT 1 p.loc) p.loc) (NAT p.loc) $ p.loc `extendL` ih.loc
in
let loc = p.loc `extendL` ih.loc
arg = Ann (Succ (BVT 1 p.loc) p.loc) (NAT p.loc) loc in
retty.term // (arg ::: shift 2)
public export
@ -65,23 +65,31 @@ substCaseBoxRet x dty retty =
retty.term // (arg ::: shift 1)
parameters (defs : Definitions) {auto _ : (Has ErrorEff fs, Has NameGen fs)}
private
0 ExpectErrorConstructor : Type
ExpectErrorConstructor =
forall d, n. Loc -> NameContexts d n -> Term d n -> Error
parameters (defs : Definitions)
{auto _ : (Has ErrorEff fs, Has NameGen fs, Has Log fs)}
namespace TyContext
parameters (ctx : TyContext d n) (sg : SQty) (loc : Loc)
export covering
whnf : {0 isRedex : RedexTest tm} -> CanWhnf tm isRedex =>
tm d n -> Eff fs (NonRedex tm d n defs ? sg)
tm d n -> Eff fs (NonRedex tm d n defs (toWhnfContext ctx) sg)
whnf tm = do
let Val n = ctx.termLen; Val d = ctx.dimLen
res <- lift $ runExcept $ whnf defs (toWhnfContext ctx) sg tm
rethrow res
private covering %macro
expect : (forall d, n. Loc -> NameContexts d n -> Term d n -> Error) ->
TTImp -> TTImp -> Elab (Term d n -> Eff fs a)
expect k l r = do
f <- check `(\case ~(l) => Just ~(r); _ => Nothing)
pure $ \t => maybe (throw $ k loc ctx.names t) pure . f . fst =<< whnf t
expect : ExpectErrorConstructor -> TTImp -> TTImp ->
Elab (Term d n -> Eff fs a)
expect err pat rhs = Prelude.do
match <- check `(\case ~(pat) => Just ~(rhs); _ => Nothing)
pure $ \term => do
res <- whnf term
maybe (throw $ err loc ctx.names term) pure $ match $ fst res
export covering %inline
expectTYPE : Term d n -> Eff fs Universe
@ -120,19 +128,20 @@ parameters (defs : Definitions) {auto _ : (Has ErrorEff fs, Has NameGen fs)}
parameters (ctx : EqContext n) (sg : SQty) (loc : Loc)
export covering
whnf : {0 isRedex : RedexTest tm} -> CanWhnf tm isRedex =>
tm 0 n -> Eff fs (NonRedex tm 0 n defs ? sg)
tm 0 n -> Eff fs (NonRedex tm 0 n defs (toWhnfContext ctx) sg)
whnf tm = do
res <- lift $ runExcept $ whnf defs (toWhnfContext ctx) sg tm
rethrow res
private covering %macro
expect : (forall d, n. Loc -> NameContexts d n -> Term d n -> Error) ->
TTImp -> TTImp -> Elab (Term 0 n -> Eff fs a)
expect k l r = do
f <- check `(\case ~(l) => Just ~(r); _ => Nothing)
pure $ \t =>
let err = throw $ k loc ctx.names (t // shift0 ctx.dimLen) in
maybe err pure . f . fst =<< whnf t
expect : ExpectErrorConstructor -> TTImp -> TTImp ->
Elab (Term 0 n -> Eff fs a)
expect err pat rhs = do
match <- check `(\case ~(pat) => Just ~(rhs); _ => Nothing)
pure $ \term => do
res <- whnf term
let t0 = delay $ term // shift0 ctx.dimLen
maybe (throw $ err loc ctx.names t0) pure $ match $ fst res
export covering %inline
expectTYPE : Term 0 n -> Eff fs Universe

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@ -339,9 +339,10 @@ namespace WhnfContext
private
prettyTContextElt : {opts : _} ->
BContext d -> BContext n ->
Qty -> BindName -> LocalVar d n -> Eff Pretty (Doc opts)
Doc opts -> BindName -> LocalVar d n ->
Eff Pretty (Doc opts)
prettyTContextElt dnames tnames q x s = do
q <- prettyQty q; dot <- dotD
dot <- dotD
x <- prettyTBind x; colon <- colonD
ty <- withPrec Outer $ prettyTerm dnames tnames s.type; eq <- cstD
tm <- traverse (withPrec Outer . prettyTerm dnames tnames) s.term
@ -356,7 +357,7 @@ prettyTContextElt dnames tnames q x s = do
private
prettyTContext' : {opts : _} ->
BContext d -> QContext n -> BContext n ->
BContext d -> Context' (Doc opts) n -> BContext n ->
TContext d n -> Eff Pretty (SnocList (Doc opts))
prettyTContext' _ [<] [<] [<] = pure [<]
prettyTContext' dnames (qtys :< q) (tnames :< x) (tys :< t) =
@ -369,6 +370,7 @@ prettyTContext : {opts : _} ->
TContext d n -> Eff Pretty (Doc opts)
prettyTContext dnames qtys tnames tys = do
comma <- commaD
qtys <- traverse prettyQty qtys
sepSingle . exceptLast (<+> comma) . toList <$>
prettyTContext' dnames qtys tnames tys
@ -384,3 +386,10 @@ prettyTyContext (MkTyContext dctx dnames tctx tnames qtys) =
export
prettyEqContext : {opts : _} -> EqContext n -> Eff Pretty (Doc opts)
prettyEqContext ctx = prettyTyContext $ toTyContext ctx
export
prettyWhnfContext : {opts : _} -> WhnfContext d n -> Eff Pretty (Doc opts)
prettyWhnfContext ctx =
let Val n = ctx.termLen in
separateTight !commaD <$>
prettyTContext' ctx.dnames (replicate n "_") ctx.tnames ctx.tctx

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@ -88,7 +88,7 @@ parameters {opts : LayoutOpts} (showContext : Bool)
public export
Erase : List (Type -> Type)
Erase = [Except Error, NameGen]
Erase = [Except Error, NameGen, Log]
export
liftWhnf : Eff Whnf a -> Eff Erase a

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@ -2,6 +2,7 @@ module Quox.Whnf.ComputeElimType
import Quox.Whnf.Interface
import Quox.Displace
import Quox.Pretty
%default total
@ -18,7 +19,6 @@ computeElimType :
(e : Elim d n) -> (0 ne : No (isRedexE defs ctx sg e)) =>
Eff Whnf (Term d n)
||| computes a type and then reduces it to whnf
export covering
computeWhnfElimType0 :
@ -28,7 +28,16 @@ computeWhnfElimType0 :
(e : Elim d n) -> (0 ne : No (isRedexE defs ctx sg e)) =>
Eff Whnf (Term d n)
computeElimType defs ctx sg e =
private covering
computeElimTypeNoLog, computeWhnfElimType0NoLog :
CanWhnf Term Interface.isRedexT =>
CanWhnf Elim Interface.isRedexE =>
(defs : Definitions) -> WhnfContext d n -> (0 sg : SQty) ->
(e : Elim d n) -> (0 ne : No (isRedexE defs ctx sg e)) =>
Eff Whnf (Term d n)
computeElimTypeNoLog defs ctx sg e =
case e of
F x u loc => do
let Just def = lookup x defs
@ -39,7 +48,7 @@ computeElimType defs ctx sg e =
pure (ctx.tctx !! i).type
App f s loc =>
case !(computeWhnfElimType0 defs ctx sg f {ne = noOr1 ne}) of
case !(computeWhnfElimType0NoLog defs ctx sg f {ne = noOr1 ne}) of
Pi {arg, res, _} => pure $ sub1 res $ Ann s arg loc
ty => throw $ ExpectedPi loc ctx.names ty
@ -47,12 +56,12 @@ computeElimType defs ctx sg e =
pure $ sub1 ret pair
Fst pair loc =>
case !(computeWhnfElimType0 defs ctx sg pair {ne = noOr1 ne}) of
case !(computeWhnfElimType0NoLog defs ctx sg pair {ne = noOr1 ne}) of
Sig {fst, _} => pure fst
ty => throw $ ExpectedSig loc ctx.names ty
Snd pair loc =>
case !(computeWhnfElimType0 defs ctx sg pair {ne = noOr1 ne}) of
case !(computeWhnfElimType0NoLog defs ctx sg pair {ne = noOr1 ne}) of
Sig {snd, _} => pure $ sub1 snd $ Fst pair loc
ty => throw $ ExpectedSig loc ctx.names ty
@ -66,7 +75,7 @@ computeElimType defs ctx sg e =
pure $ sub1 ret box
DApp {fun = f, arg = p, loc} =>
case !(computeWhnfElimType0 defs ctx sg f {ne = noOr1 ne}) of
case !(computeWhnfElimType0NoLog defs ctx sg f {ne = noOr1 ne}) of
Eq {ty, _} => pure $ dsub1 ty p
t => throw $ ExpectedEq loc ctx.names t
@ -82,5 +91,20 @@ computeElimType defs ctx sg e =
TypeCase {ret, _} =>
pure ret
computeElimType defs ctx sg e {ne} = do
let Val n = ctx.termLen
sayMany "whnf" e.loc
[90 :> "computeElimType",
95 :> hsep ["ctx =", runPretty $ prettyWhnfContext ctx],
90 :> hsep ["e =", runPretty $ prettyElim ctx.dnames ctx.tnames e]]
res <- computeElimTypeNoLog defs ctx sg e {ne}
say "whnf" 91 e.loc $
hsep ["computeElimType ⇝",
runPretty $ prettyTerm ctx.dnames ctx.tnames res]
pure res
computeWhnfElimType0 defs ctx sg e =
computeElimType defs ctx sg e >>= whnf0 defs ctx SZero
computeWhnfElimType0NoLog defs ctx sg e {ne} =
computeElimTypeNoLog defs ctx sg e {ne} >>= whnf0 defs ctx SZero

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@ -1,6 +1,7 @@
module Quox.Whnf.Interface
import public Quox.No
import public Quox.Log
import public Quox.Syntax
import public Quox.Definition
import public Quox.Typing.Context
@ -13,7 +14,7 @@ import public Control.Eff
public export
Whnf : List (Type -> Type)
Whnf = [Except Error, NameGen]
Whnf = [Except Error, NameGen, Log]
public export
@ -24,17 +25,20 @@ RedexTest tm =
public export
interface CanWhnf (0 tm : TermLike) (0 isRedex : RedexTest tm) | tm
where
whnf : (defs : Definitions) -> (ctx : WhnfContext d n) -> (q : SQty) ->
tm d n -> Eff Whnf (Subset (tm d n) (No . isRedex defs ctx q))
whnf, whnfNoLog :
(defs : Definitions) -> (ctx : WhnfContext d n) -> (q : SQty) ->
tm d n -> Eff Whnf (Subset (tm d n) (No . isRedex defs ctx q))
-- having isRedex be part of the class header, and needing to be explicitly
-- quantified on every use since idris can't infer its type, is a little ugly.
-- but none of the alternatives i've thought of so far work. e.g. in some
-- cases idris can't tell that `isRedex` and `isRedexT` are the same thing
public export %inline
whnf0 : {0 isRedex : RedexTest tm} -> CanWhnf tm isRedex =>
Definitions -> WhnfContext d n -> SQty -> tm d n -> Eff Whnf (tm d n)
whnf0 defs ctx q t = fst <$> whnf defs ctx q t
whnf0, whnfNoLog0 :
{0 isRedex : RedexTest tm} -> CanWhnf tm isRedex =>
Definitions -> WhnfContext d n -> SQty -> tm d n -> Eff Whnf (tm d n)
whnf0 defs ctx q t = fst <$> whnf defs ctx q t
whnfNoLog0 defs ctx q t = fst <$> whnfNoLog defs ctx q t
public export
0 IsRedex, NotRedex : {isRedex : RedexTest tm} -> CanWhnf tm isRedex =>

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@ -4,6 +4,7 @@ import Quox.Whnf.Interface
import Quox.Whnf.ComputeElimType
import Quox.Whnf.TypeCase
import Quox.Whnf.Coercion
import Quox.Pretty
import Quox.Displace
import Data.SnocVect
@ -14,19 +15,43 @@ export covering CanWhnf Term Interface.isRedexT
export covering CanWhnf Elim Interface.isRedexE
-- the String is what to call the "s" argument in logs (maybe "s", or "e")
private %inline
whnfDefault :
{0 isRedex : RedexTest tm} ->
(CanWhnf tm isRedex, Located2 tm) =>
String ->
(forall d, n. WhnfContext d n -> tm d n -> Eff Pretty LogDoc) ->
(defs : Definitions) ->
(ctx : WhnfContext d n) ->
(sg : SQty) ->
(s : tm d n) ->
Eff Whnf (Subset (tm d n) (No . isRedex defs ctx sg))
whnfDefault name ppr defs ctx sg s = do
sayMany "whnf" s.loc
[10 :> "whnf",
95 :> hsep ["ctx =", runPretty $ prettyWhnfContext ctx],
95 :> hsep ["sg =", runPretty $ prettyQty sg.qty],
10 :> hsep [text name, "=", runPretty $ ppr ctx s]]
res <- whnfNoLog defs ctx sg s
say "whnf" 11 s.loc $ hsep ["whnf ⇝", runPretty $ ppr ctx res.fst]
pure res
covering
CanWhnf Elim Interface.isRedexE where
whnf defs ctx sg (F x u loc) with (lookupElim0 x u defs) proof eq
whnf = whnfDefault "e" $ \ctx, e => prettyElim ctx.dnames ctx.tnames e
whnfNoLog defs ctx sg (F x u loc) with (lookupElim0 x u defs) proof eq
_ | Just y = whnf defs ctx sg $ setLoc loc $ injElim ctx y
_ | Nothing = pure $ Element (F x u loc) $ rewrite eq in Ah
whnf defs ctx sg (B i loc) with (ctx.tctx !! i) proof eq1
whnfNoLog defs ctx sg (B i loc) with (ctx.tctx !! i) proof eq1
_ | l with (l.term) proof eq2
_ | Just y = whnf defs ctx sg $ Ann y l.type loc
_ | Nothing = pure $ Element (B i loc) $ rewrite eq1 in rewrite eq2 in Ah
-- ((λ x ⇒ t) ∷ (π.x : A) → B) s ⇝ t[s∷A/x] ∷ B[s∷A/x]
whnf defs ctx sg (App f s appLoc) = do
whnfNoLog defs ctx sg (App f s appLoc) = do
Element f fnf <- whnf defs ctx sg f
case nchoose $ isLamHead f of
Left _ => case f of
@ -41,7 +66,7 @@ CanWhnf Elim Interface.isRedexE where
--
-- 0 · case e return p ⇒ C of { (a, b) ⇒ u } ⇝
-- u[fst e/a, snd e/b] ∷ C[e/p]
whnf defs ctx sg (CasePair pi pair ret body caseLoc) = do
whnfNoLog defs ctx sg (CasePair pi pair ret body caseLoc) = do
Element pair pairnf <- whnf defs ctx sg pair
case nchoose $ isPairHead pair of
Left _ => case pair of
@ -64,7 +89,7 @@ CanWhnf Elim Interface.isRedexE where
(pairnf `orNo` np `orNo` notYesNo n0)
-- fst ((s, t) ∷ (x : A) × B) ⇝ s ∷ A
whnf defs ctx sg (Fst pair fstLoc) = do
whnfNoLog defs ctx sg (Fst pair fstLoc) = do
Element pair pairnf <- whnf defs ctx sg pair
case nchoose $ isPairHead pair of
Left _ => case pair of
@ -76,7 +101,7 @@ CanWhnf Elim Interface.isRedexE where
pure $ Element (Fst pair fstLoc) (pairnf `orNo` np)
-- snd ((s, t) ∷ (x : A) × B) ⇝ t ∷ B[(s ∷ A)/x]
whnf defs ctx sg (Snd pair sndLoc) = do
whnfNoLog defs ctx sg (Snd pair sndLoc) = do
Element pair pairnf <- whnf defs ctx sg pair
case nchoose $ isPairHead pair of
Left _ => case pair of
@ -89,7 +114,7 @@ CanWhnf Elim Interface.isRedexE where
-- case 'a ∷ {a,…} return p ⇒ C of { 'a ⇒ u } ⇝
-- u ∷ C['a∷{a,…}/p]
whnf defs ctx sg (CaseEnum pi tag ret arms caseLoc) = do
whnfNoLog defs ctx sg (CaseEnum pi tag ret arms caseLoc) = do
Element tag tagnf <- whnf defs ctx sg tag
case nchoose $ isTagHead tag of
Left _ => case tag of
@ -110,7 +135,7 @@ CanWhnf Elim Interface.isRedexE where
--
-- case succ n ∷ return p ⇒ C of { succ n', π.ih ⇒ u; … } ⇝
-- u[n∷/n', (case n ∷ ⋯)/ih] ∷ C[succ n ∷ /p]
whnf defs ctx sg (CaseNat pi piIH nat ret zer suc caseLoc) = do
whnfNoLog defs ctx sg (CaseNat pi piIH nat ret zer suc caseLoc) = do
Element nat natnf <- whnf defs ctx sg nat
case nchoose $ isNatHead nat of
Left _ =>
@ -137,7 +162,7 @@ CanWhnf Elim Interface.isRedexE where
-- case [t] ∷ [π.A] return p ⇒ C of { [x] ⇒ u } ⇝
-- u[t∷A/x] ∷ C[[t] ∷ [π.A]/p]
whnf defs ctx sg (CaseBox pi box ret body caseLoc) = do
whnfNoLog defs ctx sg (CaseBox pi box ret body caseLoc) = do
Element box boxnf <- whnf defs ctx sg box
case nchoose $ isBoxHead box of
Left _ => case box of
@ -153,7 +178,7 @@ CanWhnf Elim Interface.isRedexE where
-- e : Eq (𝑗 ⇒ A) t u ⊢ e @1 ⇝ u ∷ A1/𝑗
--
-- ((δ 𝑖 ⇒ s) ∷ Eq (𝑗 ⇒ A) t u) @𝑘 ⇝ s𝑘/𝑖 ∷ A𝑘/𝑗
whnf defs ctx sg (DApp f p appLoc) = do
whnfNoLog defs ctx sg (DApp f p appLoc) = do
Element f fnf <- whnf defs ctx sg f
case nchoose $ isDLamHead f of
Left _ => case f of
@ -173,7 +198,7 @@ CanWhnf Elim Interface.isRedexE where
B {} => pure $ Element (DApp f p appLoc) (fnf `orNo` ndlh `orNo` Ah)
-- e ∷ A ⇝ e
whnf defs ctx sg (Ann s a annLoc) = do
whnfNoLog defs ctx sg (Ann s a annLoc) = do
Element s snf <- whnf defs ctx sg s
case nchoose $ isE s of
Left _ => let E e = s in pure $ Element e $ noOr2 snf
@ -181,7 +206,7 @@ CanWhnf Elim Interface.isRedexE where
Element a anf <- whnf defs ctx SZero a
pure $ Element (Ann s a annLoc) (ne `orNo` snf `orNo` anf)
whnf defs ctx sg (Coe sty p q val coeLoc) =
whnfNoLog defs ctx sg (Coe sty p q val coeLoc) =
-- 𝑖 ∉ fv(A)
-- -------------------------------
-- coe (𝑖 ⇒ A) @p @q s ⇝ s ∷ A
@ -201,7 +226,7 @@ CanWhnf Elim Interface.isRedexE where
(_, Right ty) =>
whnf defs ctx sg $ Ann val ty coeLoc
whnf defs ctx sg (Comp ty p q val r zero one compLoc) =
whnfNoLog defs ctx sg (Comp ty p q val r zero one compLoc) =
case p `decEqv` q of
-- comp [A] @p @p s @r { ⋯ } ⇝ s ∷ A
Yes y => whnf defs ctx sg $ Ann val ty compLoc
@ -213,7 +238,7 @@ CanWhnf Elim Interface.isRedexE where
B {} => pure $ Element (Comp ty p q val r zero one compLoc)
(notYesNo npq `orNo` Ah)
whnf defs ctx sg (TypeCase ty ret arms def tcLoc) =
whnfNoLog defs ctx sg (TypeCase ty ret arms def tcLoc) =
case sg `decEq` SZero of
Yes Refl => do
Element ty tynf <- whnf defs ctx SZero ty
@ -226,48 +251,50 @@ CanWhnf Elim Interface.isRedexE where
No _ =>
throw $ ClashQ tcLoc sg.qty Zero
whnf defs ctx sg (CloE (Sub el th)) =
whnf defs ctx sg $ pushSubstsWith' id th el
whnf defs ctx sg (DCloE (Sub el th)) =
whnf defs ctx sg $ pushSubstsWith' th id el
whnfNoLog defs ctx sg (CloE (Sub el th)) =
whnfNoLog defs ctx sg $ pushSubstsWith' id th el
whnfNoLog defs ctx sg (DCloE (Sub el th)) =
whnfNoLog defs ctx sg $ pushSubstsWith' th id el
covering
CanWhnf Term Interface.isRedexT where
whnf _ _ _ t@(TYPE {}) = pure $ nred t
whnf _ _ _ t@(IOState {}) = pure $ nred t
whnf _ _ _ t@(Pi {}) = pure $ nred t
whnf _ _ _ t@(Lam {}) = pure $ nred t
whnf _ _ _ t@(Sig {}) = pure $ nred t
whnf _ _ _ t@(Pair {}) = pure $ nred t
whnf _ _ _ t@(Enum {}) = pure $ nred t
whnf _ _ _ t@(Tag {}) = pure $ nred t
whnf _ _ _ t@(Eq {}) = pure $ nred t
whnf _ _ _ t@(DLam {}) = pure $ nred t
whnf _ _ _ t@(NAT {}) = pure $ nred t
whnf _ _ _ t@(Nat {}) = pure $ nred t
whnf _ _ _ t@(STRING {}) = pure $ nred t
whnf _ _ _ t@(Str {}) = pure $ nred t
whnf _ _ _ t@(BOX {}) = pure $ nred t
whnf _ _ _ t@(Box {}) = pure $ nred t
whnf = whnfDefault "e" $ \ctx, s => prettyTerm ctx.dnames ctx.tnames s
whnf _ _ _ (Succ p loc) =
whnfNoLog _ _ _ t@(TYPE {}) = pure $ nred t
whnfNoLog _ _ _ t@(IOState {}) = pure $ nred t
whnfNoLog _ _ _ t@(Pi {}) = pure $ nred t
whnfNoLog _ _ _ t@(Lam {}) = pure $ nred t
whnfNoLog _ _ _ t@(Sig {}) = pure $ nred t
whnfNoLog _ _ _ t@(Pair {}) = pure $ nred t
whnfNoLog _ _ _ t@(Enum {}) = pure $ nred t
whnfNoLog _ _ _ t@(Tag {}) = pure $ nred t
whnfNoLog _ _ _ t@(Eq {}) = pure $ nred t
whnfNoLog _ _ _ t@(DLam {}) = pure $ nred t
whnfNoLog _ _ _ t@(NAT {}) = pure $ nred t
whnfNoLog _ _ _ t@(Nat {}) = pure $ nred t
whnfNoLog _ _ _ t@(STRING {}) = pure $ nred t
whnfNoLog _ _ _ t@(Str {}) = pure $ nred t
whnfNoLog _ _ _ t@(BOX {}) = pure $ nred t
whnfNoLog _ _ _ t@(Box {}) = pure $ nred t
whnfNoLog _ _ _ (Succ p loc) =
case nchoose $ isNatConst p of
Left _ => case p of
Nat p _ => pure $ nred $ Nat (S p) loc
E (Ann (Nat p _) _ _) => pure $ nred $ Nat (S p) loc
Right nc => pure $ nred $ Succ p loc
whnf defs ctx sg (Let _ rhs body _) =
whnfNoLog defs ctx sg (Let _ rhs body _) =
whnf defs ctx sg $ sub1 body rhs
-- s ∷ A ⇝ s (in term context)
whnf defs ctx sg (E e) = do
whnfNoLog defs ctx sg (E e) = do
Element e enf <- whnf defs ctx sg e
case nchoose $ isAnn e of
Left _ => let Ann {tm, _} = e in pure $ Element tm $ noOr1 $ noOr2 enf
Right na => pure $ Element (E e) $ na `orNo` enf
whnf defs ctx sg (CloT (Sub tm th)) =
whnf defs ctx sg $ pushSubstsWith' id th tm
whnf defs ctx sg (DCloT (Sub tm th)) =
whnf defs ctx sg $ pushSubstsWith' th id tm
whnfNoLog defs ctx sg (CloT (Sub tm th)) =
whnfNoLog defs ctx sg $ pushSubstsWith' id th tm
whnfNoLog defs ctx sg (DCloT (Sub tm th)) =
whnfNoLog defs ctx sg $ pushSubstsWith' th id tm

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@ -97,7 +97,7 @@ tests = "dimension constraints" :- [
testPrettyD iijj ZeroIsOne "𝑖, 𝑗, 0 = 1",
testPrettyD [<] new "" {label = "[empty output from empty context]"},
testPrettyD ii new "𝑖",
testPrettyD iijj (fromGround [< "𝑖", "𝑗"] [< Zero, One])
testPrettyD iijj (fromGround iijj [< Zero, One])
"𝑖, 𝑗, 𝑖 = 0, 𝑗 = 1",
testPrettyD iijj (C [< Just (^K Zero), Nothing])
"𝑖, 𝑗, 𝑖 = 0",

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@ -15,7 +15,8 @@ import Control.Eff
runWhnf : Eff Whnf a -> Either Error a
runWhnf act = runSTErr $ do
runEff act [handleExcept (\e => stLeft e),
handleStateSTRef !(liftST $ newSTRef 0)]
handleStateSTRef !(liftST $ newSTRef 0),
handleLogDiscard]
parameters {0 isRedex : RedexTest tm} {auto _ : CanWhnf tm isRedex} {d, n : Nat}
{auto _ : (Eq (tm d n), Show (tm d n))}

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@ -22,10 +22,11 @@ ToInfo Error where
export
runEqual : Definitions -> Eff Equal a -> Either Error a
runEqual defs act = runSTErr $ do
runEff act
runEff act $ with Union.(::)
[handleExcept (\e => stLeft e),
handleReaderConst defs,
handleStateSTRef !(liftST $ newSTRef 0)]
handleStateSTRef !(liftST $ newSTRef 0),
handleLogDiscard]
export
runTC : Definitions -> Eff TC a -> Either Error a