mirror of
https://github.com/idris-lang/Idris2.git
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[ refactor ] split Core.TT (#3151)
This commit is contained in:
G. Allais
GitHub
parent
1a1b5fcc63
commit
b08efbea40
@ -73,6 +73,7 @@ modules =
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Core.Metadata,
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Core.Name,
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Core.Name.Namespace,
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Core.Name.Scoped,
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Core.Normalise,
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Core.Normalise.Convert,
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Core.Normalise.Eval,
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@ -90,8 +91,14 @@ modules =
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Core.Termination,
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Core.Transform,
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Core.TT,
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Core.TT.Views,
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Core.TT.Binder,
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Core.TT.Primitive,
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Core.TT.Subst,
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Core.TT.Term,
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Core.TT.Term.Subst,
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Core.TT.Traversals,
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Core.TT.Var,
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Core.TT.Views,
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Core.TTC,
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Core.Unify,
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Core.UnifyState,
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@ -164,21 +171,28 @@ modules =
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Libraries.Data.ANameMap,
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Libraries.Data.DList,
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Libraries.Data.Erased,
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Libraries.Data.Fin,
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Libraries.Data.Graph,
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Libraries.Data.IMaybe,
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Libraries.Data.IntMap,
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Libraries.Data.IOArray,
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Libraries.Data.IOMatrix,
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Libraries.Data.LengthMatch,
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Libraries.Data.List.Extra,
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Libraries.Data.List.Quantifiers.Extra,
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Libraries.Data.List.HasLength,
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Libraries.Data.List.Lazy,
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Libraries.Data.List.LengthMatch,
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Libraries.Data.List.Quantifiers.Extra,
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Libraries.Data.List.SizeOf,
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Libraries.Data.List1,
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Libraries.Data.NameMap,
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Libraries.Data.NameMap.Traversable,
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Libraries.Data.Ordering.Extra,
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Libraries.Data.PosMap,
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Libraries.Data.Primitives,
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Libraries.Data.SnocList.HasLength,
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Libraries.Data.SnocList.LengthMatch,
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Libraries.Data.SnocList.SizeOf,
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Libraries.Data.Span,
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Libraries.Data.SortedMap,
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Libraries.Data.SortedSet,
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@ -215,4 +215,3 @@ channelGet chan = primIO (prim__channelGet chan)
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export
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channelPut : HasIO io => (chan : Channel a) -> (val : a) -> io ()
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channelPut chan val = primIO (prim__channelPut chan val)
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@ -37,15 +37,14 @@ shiftUnder : {args : _} ->
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shiftUnder First = weakenNVar (mkSizeOf args) (MkNVar First)
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shiftUnder (Later p) = insertNVar (mkSizeOf args) (MkNVar p)
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shiftVar : {outer, args : _} ->
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{idx : _} ->
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(0 p : IsVar n idx (outer ++ (x :: args ++ vars))) ->
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shiftVar : {outer, args : Scope} ->
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NVar n (outer ++ (x :: args ++ vars)) ->
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NVar n (outer ++ (args ++ x :: vars))
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shiftVar {outer = []} p = shiftUnder p
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shiftVar {outer = (n::xs)} First = MkNVar First
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shiftVar {outer = (y::xs)} (Later p)
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= case shiftVar p of
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MkNVar p' => MkNVar (Later p')
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shiftVar nvar
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= let out = mkSizeOf outer in
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case locateNVar out nvar of
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Left nvar => embed nvar
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Right (MkNVar p) => weakenNs out (shiftUnder p)
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mutual
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shiftBinder : {outer, args : _} ->
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@ -53,7 +52,7 @@ mutual
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CExp (outer ++ old :: (args ++ vars)) ->
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CExp (outer ++ (args ++ new :: vars))
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shiftBinder new (CLocal fc p)
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= case shiftVar p of
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= case shiftVar (MkNVar p) of
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MkNVar p' => CLocal fc (renameVar p')
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where
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renameVar : IsVar x i (outer ++ (args ++ (old :: rest))) ->
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@ -39,14 +39,14 @@ numArgs defs (Ref _ _ n)
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_ => pure (Arity 0)
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numArgs _ tm = pure (Arity 0)
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mkSub : Nat -> (ns : List Name) -> List Nat -> (ns' ** SubVars ns' ns)
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mkSub i _ [] = (_ ** SubRefl)
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mkSub i [] ns = (_ ** SubRefl)
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mkSub : Nat -> (ns : List Name) -> List Nat -> (ns' ** Thin ns' ns)
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mkSub i _ [] = (_ ** Refl)
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mkSub i [] ns = (_ ** Refl)
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mkSub i (x :: xs) es
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= let (ns' ** p) = mkSub (S i) xs es in
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if i `elem` es
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then (ns' ** DropCons p)
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else (x :: ns' ** KeepCons p)
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then (ns' ** Drop p)
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else (x :: ns' ** Keep p)
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weakenVar : Var ns -> Var (a :: ns)
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weakenVar (MkVar p) = (MkVar (Later p))
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@ -134,13 +134,13 @@ eraseConArgs arity epos fn args
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mkDropSubst : Nat -> List Nat ->
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(rest : List Name) ->
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(vars : List Name) ->
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(vars' ** SubVars (vars' ++ rest) (vars ++ rest))
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mkDropSubst i es rest [] = ([] ** SubRefl)
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(vars' ** Thin (vars' ++ rest) (vars ++ rest))
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mkDropSubst i es rest [] = ([] ** Refl)
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mkDropSubst i es rest (x :: xs)
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= let (vs ** sub) = mkDropSubst (1 + i) es rest xs in
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if i `elem` es
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then (vs ** DropCons sub)
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else (x :: vs ** KeepCons sub)
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then (vs ** Drop sub)
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else (x :: vs ** Keep sub)
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-- Rewrite applications of Nat-like constructors and functions to more optimal
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-- versions using Integer
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@ -338,7 +338,7 @@ toCExpTm n (Bind fc x (Lam _ _ _ _) sc)
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= pure $ CLam fc x !(toCExp n sc)
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toCExpTm n (Bind fc x (Let _ rig val _) sc)
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= do sc' <- toCExp n sc
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pure $ branchZero (shrinkCExp (DropCons SubRefl) sc')
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pure $ branchZero (shrinkCExp (Drop Refl) sc')
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(CLet fc x YesInline !(toCExp n val) sc')
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rig
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toCExpTm n (Bind fc x (Pi _ c e ty) sc)
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@ -454,31 +454,32 @@ mutual
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if noworld -- just substitute the scrutinee into
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-- the RHS
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then
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let env : SubstCEnv args vars
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let (s, env) : (SizeOf args, SubstCEnv args vars)
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= mkSubst 0 scr pos args in
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do log "compiler.newtype.world" 50 "Inlining case on \{show n} (no world)"
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pure $ Just (substs env !(toCExpTree n sc))
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pure $ Just (substs s env !(toCExpTree n sc))
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else -- let bind the scrutinee, and substitute the
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-- name into the RHS
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let env : SubstCEnv args (MN "eff" 0 :: vars)
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let (s, env) : (_, SubstCEnv args (MN "eff" 0 :: vars))
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= mkSubst 0 (CLocal fc First) pos args in
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do sc' <- toCExpTree n sc
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let scope = insertNames {outer=args}
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{inner=vars}
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{ns = [MN "eff" 0]}
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(mkSizeOf _) (mkSizeOf _) sc'
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let tm = CLet fc (MN "eff" 0) NotInline scr (substs env scope)
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let tm = CLet fc (MN "eff" 0) NotInline scr (substs s env scope)
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log "compiler.newtype.world" 50 "Kept the scrutinee \{show tm}"
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pure (Just tm)
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_ => pure Nothing -- there's a normal match to do
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where
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mkSubst : Nat -> CExp vs ->
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Nat -> (args : List Name) -> SubstCEnv args vs
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mkSubst _ _ _ [] = Nil
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Nat -> (args : List Name) -> (SizeOf args, SubstCEnv args vs)
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mkSubst _ _ _ [] = (zero, [])
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mkSubst i scr pos (a :: as)
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= if i == pos
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then scr :: mkSubst (1 + i) scr pos as
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else CErased fc :: mkSubst (1 + i) scr pos as
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= let (s, env) = mkSubst (1 + i) scr pos as in
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if i == pos
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then (suc s, scr :: env)
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else (suc s, CErased fc :: env)
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getNewType fc scr n (_ :: ns) = getNewType fc scr n ns
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getDef : {vars : _} ->
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@ -678,10 +679,11 @@ getCFTypes args (NBind fc _ (Pi _ _ _ ty) sc)
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getCFTypes args t
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= pure (reverse args, !(nfToCFType (getLoc t) False t))
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lamRHSenv : Int -> FC -> (ns : List Name) -> SubstCEnv ns []
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lamRHSenv i fc [] = []
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lamRHSenv : Int -> FC -> (ns : List Name) -> (SizeOf ns, SubstCEnv ns [])
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lamRHSenv i fc [] = (zero, [])
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lamRHSenv i fc (n :: ns)
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= CRef fc (MN "x" i) :: lamRHSenv (i + 1) fc ns
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= let (s, env) = lamRHSenv (i + 1) fc ns in
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(suc s, CRef fc (MN "x" i) :: env)
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mkBounds : (xs : _) -> Bounds xs
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mkBounds [] = None
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@ -699,8 +701,8 @@ getNewArgs {done = x :: xs} (_ :: sub) = x :: getNewArgs sub
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-- function, they had arity 0.
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lamRHS : (ns : List Name) -> CExp ns -> CExp []
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lamRHS ns tm
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= let env = lamRHSenv 0 (getFC tm) ns
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tmExp = substs env (rewrite appendNilRightNeutral ns in tm)
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= let (s, env) = lamRHSenv 0 (getFC tm) ns
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tmExp = substs s env (rewrite appendNilRightNeutral ns in tm)
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newArgs = reverse $ getNewArgs env
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bounds = mkBounds newArgs
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expLocs = mkLocals zero {vars = []} bounds tmExp in
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@ -17,7 +17,7 @@ import Core.TT
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import Data.Maybe
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import Data.List
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import Data.Vect
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import Libraries.Data.LengthMatch
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import Libraries.Data.List.LengthMatch
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import Libraries.Data.NameMap
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import Libraries.Data.WithDefault
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@ -139,7 +139,7 @@ mutual
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| Nothing => pure Nothing
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res <- eval rec env' stk'
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(rewrite sym (appendAssociative args vars free) in
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embed {vars = vars ++ free} exp)
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embed {outer = vars ++ free} exp)
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pure (Just res)
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tryApply rec stk env _ = pure Nothing
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@ -414,12 +414,12 @@ fixArity (MkError exp) = pure $ MkError !(fixArityTm exp [])
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fixArity d = pure d
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-- TODO: get rid of this `done` by making the return `args'` runtime irrelevant?
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getLams : {done : _} ->
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getLams : {done : _} -> SizeOf done ->
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Int -> SubstCEnv done args -> CExp (done ++ args) ->
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(args' ** (SubstCEnv args' args, CExp (args' ++ args)))
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getLams {done} i env (CLam fc x sc)
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= getLams {done = x :: done} (i + 1) (CRef fc (MN "ext" i) :: env) sc
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getLams {done} i env sc = (done ** (env, sc))
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(args' ** (SizeOf args', SubstCEnv args' args, CExp (args' ++ args)))
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getLams {done} d i env (CLam fc x sc)
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= getLams {done = x :: done} (suc d) (i + 1) (CRef fc (MN "ext" i) :: env) sc
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getLams {done} d i env sc = (done ** (d, env, sc))
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mkBounds : (xs : _) -> Bounds xs
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mkBounds [] = None
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@ -437,8 +437,8 @@ getNewArgs {done = x :: xs} (_ :: sub) = x :: getNewArgs sub
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-- not the highest, as you'd expect if they were all lambdas).
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mergeLambdas : (args : List Name) -> CExp args -> (args' ** CExp args')
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mergeLambdas args (CLam fc x sc)
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= let (args' ** (env, exp')) = getLams 0 [] (CLam fc x sc)
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expNs = substs env exp'
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= let (args' ** (s, env, exp')) = getLams zero 0 [] (CLam fc x sc)
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expNs = substs s env exp'
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newArgs = reverse $ getNewArgs env
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expLocs = mkLocals (mkSizeOf args) {vars = []} (mkBounds newArgs)
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(rewrite appendNilRightNeutral args in expNs) in
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@ -31,7 +31,7 @@ mutual
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||| @ vars is the list of names accessible within the current scope of the
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||| lambda-lifted code.
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public export
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data Lifted : (vars : List Name) -> Type where
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data Lifted : Scoped where
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||| A local variable in the lambda-lifted syntax tree.
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|||
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@ -424,6 +424,7 @@ mutual
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update Lifts { defs $= ((n, MkLFun (dropped vars unused) bound scl') ::) }
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pure $ LUnderApp fc n (length bound) (allVars fc vars unused)
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where
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allPrfs : (vs : List Name) -> (unused : Vect (length vs) Bool) -> List (Var vs)
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allPrfs [] _ = []
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allPrfs (v :: vs) (False::uvs) = MkVar First :: map weaken (allPrfs vs uvs)
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@ -50,7 +50,8 @@ record WkCExp (vars : List Name) where
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expr : CExp supp
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Weaken WkCExp where
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weaken (MkWkCExp s Refl e) = MkWkCExp (suc s) Refl e
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weakenNs s' (MkWkCExp {outer, supp} s Refl e)
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= MkWkCExp (s' + s) (appendAssociative ns outer supp) e
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lookup : FC -> Var ds -> Subst ds vars -> CExp vars
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lookup fc (MkVar p) rho = case go p rho of
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@ -17,8 +17,8 @@ parameters (fn1 : Name) (idIdx : Nat)
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mutual
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-- special case for matching on 'Nat'-shaped things
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isUnsucc : Var vars -> CExp vars -> Maybe (Constant, Var (x :: vars))
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isUnsucc (MkVar {i} _) (COp _ (Sub _) [CLocal {idx} _ _, CPrimVal _ c]) =
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if i == idx
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isUnsucc var (COp _ (Sub _) [CLocal _ p, CPrimVal _ c]) =
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if var == MkVar p
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then Just (c, MkVar First)
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else Nothing
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isUnsucc _ _ = Nothing
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@ -29,7 +29,7 @@ parameters (fn1 : Name) (idIdx : Nat)
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-- does the CExp evaluate to the var, the constructor or the constant?
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cexpIdentity : Var vars -> Maybe (Name, List (Var vars)) -> Maybe Constant -> CExp vars -> Bool
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cexpIdentity (MkVar {i} _) _ _ (CLocal {idx} fc p) = idx == i
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cexpIdentity var _ _ (CLocal fc p) = var == MkVar p
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cexpIdentity var _ _ (CRef _ _) = False
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cexpIdentity var _ _ (CLam _ _ _) = False
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cexpIdentity var con const (CLet _ _ NotInline val sc) = False
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@ -186,7 +186,7 @@ getUsableEnv fc rigc p [] = []
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getUsableEnv {vars = v :: vs} {done} fc rigc p (b :: env)
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= let rest = getUsableEnv fc rigc (sucR p) env in
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if (multiplicity b == top || isErased rigc)
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then let MkVar var = weakenVar p (MkVar First) in
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then let 0 var = mkIsVar (hasLength p) in
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(Local (binderLoc b) Nothing _ var,
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rewrite appendAssociative done [v] vs in
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weakenNs (sucR p) (binderType b)) ::
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@ -16,7 +16,7 @@ import Idris.Pretty.Annotations
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import Data.List
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import Data.String
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import Data.Vect
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import Libraries.Data.LengthMatch
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import Libraries.Data.List.LengthMatch
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import Libraries.Data.SortedSet
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import Decidable.Equality
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@ -176,7 +176,7 @@ getPat (Later p) (x :: xs) = getPat p xs
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dropPat : {idx : Nat} ->
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(0 el : IsVar nm idx ps) ->
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NamedPats ns ps -> NamedPats ns (dropVar ps el)
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NamedPats ns ps -> NamedPats ns (dropIsVar ps el)
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dropPat First (x :: xs) = xs
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dropPat (Later p) (x :: xs) = x :: dropPat p xs
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@ -218,7 +218,7 @@ Weaken ArgType where
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weakenNs s Unknown = Unknown
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Weaken (PatInfo p) where
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weaken (MkInfo p el fty) = MkInfo p (Later el) (weaken fty)
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weakenNs s (MkInfo p el fty) = MkInfo p (weakenIsVar s el) (weakenNs s fty)
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-- FIXME: perhaps 'vars' should be second argument so we can use Weaken interface
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weaken : {x, vars : _} ->
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@ -941,11 +941,11 @@ pickNextViable {ps = q :: qs} fc phase fn npss
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pure (_ ** MkNVar (Later var))
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moveFirst : {idx : Nat} -> (0 el : IsVar nm idx ps) -> NamedPats ns ps ->
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NamedPats ns (nm :: dropVar ps el)
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NamedPats ns (nm :: dropIsVar ps el)
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moveFirst el nps = getPat el nps :: dropPat el nps
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shuffleVars : {idx : Nat} -> (0 el : IsVar nm idx todo) -> PatClause vars todo ->
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PatClause vars (nm :: dropVar todo el)
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PatClause vars (nm :: dropIsVar todo el)
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shuffleVars First orig@(MkPatClause pvars lhs pid rhs) = orig -- no-op
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shuffleVars el (MkPatClause pvars lhs pid rhs)
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= MkPatClause pvars (moveFirst el lhs) pid rhs
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@ -1165,11 +1165,11 @@ mkPatClause fc fn args ty pid (ps, rhs)
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Nothing => pure (Nothing, CaseBuilder.Unknown)
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Just (NBind pfc _ (Pi _ c _ farg) fsc) =>
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pure (Just !(fsc defs (toClosure defaultOpts [] (Ref pfc Bound arg))),
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Known c (embed {more = arg :: args}
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Known c (embed {outer = arg :: args}
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!(quote empty [] farg)))
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Just t =>
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pure (Nothing,
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Stuck (embed {more = arg :: args}
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Stuck (embed {outer = arg :: args}
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!(quote empty [] t)))
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pure (MkInfo p First (Builtin.snd fa_tys)
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:: weaken !(mkNames args ps eq (Builtin.fst fa_tys)))
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@ -1197,7 +1197,7 @@ patCompile fc fn phase ty (p :: ps) def
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i <- newRef PName (the Int 0)
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cases <- match fc fn phase pats
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(rewrite sym (appendNilRightNeutral ns) in
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map (TT.weakenNs n) def)
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map (weakenNs n) def)
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pure (_ ** cases)
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where
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mkPatClausesFrom : Int -> (args : List Name) ->
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@ -1375,17 +1375,6 @@ getPMDef fc phase fn ty clauses
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labelPat i [] = []
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labelPat i (x :: xs) = ("pat" ++ show i ++ ":", x) :: labelPat (i + 1) xs
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|
||||
mkSubstEnv : Int -> String -> Env Term vars -> SubstEnv vars []
|
||||
mkSubstEnv i pname [] = Nil
|
||||
mkSubstEnv i pname (v :: vs)
|
||||
= Ref fc Bound (MN pname i) :: mkSubstEnv (i + 1) pname vs
|
||||
|
||||
close : {vars : _} ->
|
||||
Env Term vars -> String -> Term vars -> ClosedTerm
|
||||
close {vars} env pname tm
|
||||
= substs (mkSubstEnv 0 pname env)
|
||||
(rewrite appendNilRightNeutral vars in tm)
|
||||
|
||||
toClosed : Defs -> (String, Clause) -> (ClosedTerm, ClosedTerm)
|
||||
toClosed defs (pname, MkClause env lhs rhs)
|
||||
= (close env pname lhs, close env pname rhs)
|
||||
= (close fc pname env lhs, close fc pname env rhs)
|
||||
|
||||
@ -9,6 +9,8 @@ import Core.TT
|
||||
import Data.List
|
||||
import Data.Vect
|
||||
|
||||
import Libraries.Data.SnocList.SizeOf
|
||||
|
||||
%default covering
|
||||
|
||||
-- Backends might be able to treat some 'shapes' of data type specially,
|
||||
@ -472,56 +474,24 @@ mutual
|
||||
CConstAlt (outer ++ (ns ++ inner))
|
||||
insertNamesConstAlt outer ns (MkConstAlt x sc) = MkConstAlt x (insertNames outer ns sc)
|
||||
|
||||
mutual
|
||||
export
|
||||
embed : CExp args -> CExp (args ++ vars)
|
||||
embed cexp = believe_me cexp
|
||||
-- It is identity at run time, but it would be implemented as below
|
||||
-- (not sure theere's much performance benefit, mind...)
|
||||
{-
|
||||
embed (CLocal fc prf) = CLocal fc (varExtend prf)
|
||||
embed (CRef fc n) = CRef fc n
|
||||
embed (CLam fc x sc) = CLam fc x (embed sc)
|
||||
embed (CLet fc x inl val sc) = CLet fc x inl (embed val) (embed sc)
|
||||
embed (CApp fc f args) = CApp fc (embed f) (assert_total (map embed args))
|
||||
embed (CCon fc n t args) = CCon fc n t (assert_total (map embed args))
|
||||
embed (COp fc p args) = COp fc p (assert_total (map embed args))
|
||||
embed (CExtPrim fc p args) = CExtPrim fc p (assert_total (map embed args))
|
||||
embed (CForce fc e) = CForce fc (embed e)
|
||||
embed (CDelay fc e) = CDelay fc (embed e)
|
||||
embed (CConCase fc sc alts def)
|
||||
= CConCase fc (embed sc) (assert_total (map embedAlt alts))
|
||||
(assert_total (map embed def))
|
||||
embed (CConstCase fc sc alts def)
|
||||
= CConstCase fc (embed sc) (assert_total (map embedConstAlt alts))
|
||||
(assert_total (map embed def))
|
||||
embed (CPrimVal fc c) = CPrimVal fc c
|
||||
embed (CErased fc) = CErased fc
|
||||
embed (CCrash fc msg) = CCrash fc msg
|
||||
|
||||
embedAlt : CConAlt args -> CConAlt (args ++ vars)
|
||||
embedAlt {args} {vars} (MkConAlt n t as sc)
|
||||
= MkConAlt n t as (rewrite appendAssociative as args vars in embed sc)
|
||||
|
||||
embedConstAlt : CConstAlt args -> CConstAlt (args ++ vars)
|
||||
embedConstAlt (MkConstAlt c sc) = MkConstAlt c (embed sc)
|
||||
-}
|
||||
export
|
||||
FreelyEmbeddable CExp where
|
||||
|
||||
mutual
|
||||
-- Shrink the scope of a compiled expression, replacing any variables not
|
||||
-- in the remaining set with Erased
|
||||
export
|
||||
shrinkCExp : SubVars newvars vars -> CExp vars -> CExp newvars
|
||||
shrinkCExp : Thin newvars vars -> CExp vars -> CExp newvars
|
||||
shrinkCExp sub (CLocal fc prf)
|
||||
= case subElem prf sub of
|
||||
= case shrinkIsVar prf sub of
|
||||
Nothing => CErased fc
|
||||
Just (MkVar prf') => CLocal fc prf'
|
||||
shrinkCExp _ (CRef fc x) = CRef fc x
|
||||
shrinkCExp sub (CLam fc x sc)
|
||||
= let sc' = shrinkCExp (KeepCons sub) sc in
|
||||
= let sc' = shrinkCExp (Keep sub) sc in
|
||||
CLam fc x sc'
|
||||
shrinkCExp sub (CLet fc x inl val sc)
|
||||
= let sc' = shrinkCExp (KeepCons sub) sc in
|
||||
= let sc' = shrinkCExp (Keep sub) sc in
|
||||
CLet fc x inl (shrinkCExp sub val) sc'
|
||||
shrinkCExp sub (CApp fc x xs)
|
||||
= CApp fc (shrinkCExp sub x) (assert_total (map (shrinkCExp sub) xs))
|
||||
@ -545,11 +515,11 @@ mutual
|
||||
shrinkCExp _ (CErased fc) = CErased fc
|
||||
shrinkCExp _ (CCrash fc x) = CCrash fc x
|
||||
|
||||
shrinkConAlt : SubVars newvars vars -> CConAlt vars -> CConAlt newvars
|
||||
shrinkConAlt : Thin newvars vars -> CConAlt vars -> CConAlt newvars
|
||||
shrinkConAlt sub (MkConAlt x ci tag args sc)
|
||||
= MkConAlt x ci tag args (shrinkCExp (subExtend args sub) sc)
|
||||
= MkConAlt x ci tag args (shrinkCExp (keeps args sub) sc)
|
||||
|
||||
shrinkConstAlt : SubVars newvars vars -> CConstAlt vars -> CConstAlt newvars
|
||||
shrinkConstAlt : Thin newvars vars -> CConstAlt vars -> CConstAlt newvars
|
||||
shrinkConstAlt sub (MkConstAlt x sc) = MkConstAlt x (shrinkCExp sub sc)
|
||||
|
||||
export
|
||||
@ -560,103 +530,59 @@ export
|
||||
Weaken CConAlt where
|
||||
weakenNs ns tm = insertNamesConAlt zero ns tm
|
||||
|
||||
-- Substitute some explicit terms for names in a term, and remove those
|
||||
-- names from the scope
|
||||
namespace SubstCEnv
|
||||
public export
|
||||
data SubstCEnv : List Name -> List Name -> Type where
|
||||
Nil : SubstCEnv [] vars
|
||||
(::) : CExp vars ->
|
||||
SubstCEnv ds vars -> SubstCEnv (d :: ds) vars
|
||||
|
||||
findDrop : FC -> Var (dropped ++ vars) ->
|
||||
SubstCEnv dropped vars -> CExp vars
|
||||
findDrop fc (MkVar p) [] = CLocal fc p
|
||||
findDrop fc (MkVar First) (tm :: env) = tm
|
||||
findDrop fc (MkVar (Later p)) (tm :: env) = findDrop fc (MkVar p) env
|
||||
|
||||
find : FC ->
|
||||
SizeOf outer ->
|
||||
Var (outer ++ (dropped ++ vars)) ->
|
||||
SubstCEnv dropped vars ->
|
||||
CExp (outer ++ vars)
|
||||
find fc outer var env = case sizedView outer of
|
||||
Z => findDrop fc var env
|
||||
S outer => case var of
|
||||
MkVar First => CLocal fc First
|
||||
MkVar (Later p) => weaken (find fc outer (MkVar p) env)
|
||||
-- TODO: refactor to weaken only once?
|
||||
public export
|
||||
SubstCEnv : Scope -> Scoped
|
||||
SubstCEnv = Subst CExp
|
||||
|
||||
mutual
|
||||
substEnv : SizeOf outer ->
|
||||
SubstCEnv dropped vars ->
|
||||
CExp (outer ++ (dropped ++ vars)) ->
|
||||
CExp (outer ++ vars)
|
||||
substEnv outer env (CLocal fc prf)
|
||||
= find fc outer (MkVar prf) env
|
||||
substEnv _ _ (CRef fc x) = CRef fc x
|
||||
substEnv outer env (CLam fc x sc)
|
||||
= let sc' = substEnv (suc outer) env sc in
|
||||
substEnv : Substitutable CExp CExp
|
||||
substEnv outer dropped env (CLocal fc prf)
|
||||
= find (\ (MkVar p) => CLocal fc p) outer dropped (MkVar prf) env
|
||||
substEnv _ _ _ (CRef fc x) = CRef fc x
|
||||
substEnv outer dropped env (CLam fc x sc)
|
||||
= let sc' = substEnv (suc outer) dropped env sc in
|
||||
CLam fc x sc'
|
||||
substEnv outer env (CLet fc x inl val sc)
|
||||
= let sc' = substEnv (suc outer) env sc in
|
||||
CLet fc x inl (substEnv outer env val) sc'
|
||||
substEnv outer env (CApp fc x xs)
|
||||
= CApp fc (substEnv outer env x) (assert_total (map (substEnv outer env) xs))
|
||||
substEnv outer env (CCon fc x ci tag xs)
|
||||
= CCon fc x ci tag (assert_total (map (substEnv outer env) xs))
|
||||
substEnv outer env (COp fc x xs)
|
||||
= COp fc x (assert_total (map (substEnv outer env) xs))
|
||||
substEnv outer env (CExtPrim fc p xs)
|
||||
= CExtPrim fc p (assert_total (map (substEnv outer env) xs))
|
||||
substEnv outer env (CForce fc lr x) = CForce fc lr (substEnv outer env x)
|
||||
substEnv outer env (CDelay fc lr x) = CDelay fc lr (substEnv outer env x)
|
||||
substEnv outer env (CConCase fc sc xs def)
|
||||
= CConCase fc (substEnv outer env sc)
|
||||
(assert_total (map (substConAlt outer env) xs))
|
||||
(assert_total (map (substEnv outer env) def))
|
||||
substEnv outer env (CConstCase fc sc xs def)
|
||||
= CConstCase fc (substEnv outer env sc)
|
||||
(assert_total (map (substConstAlt outer env) xs))
|
||||
(assert_total (map (substEnv outer env) def))
|
||||
substEnv _ _ (CPrimVal fc x) = CPrimVal fc x
|
||||
substEnv _ _ (CErased fc) = CErased fc
|
||||
substEnv _ _ (CCrash fc x) = CCrash fc x
|
||||
substEnv outer dropped env (CLet fc x inl val sc)
|
||||
= let sc' = substEnv (suc outer) dropped env sc in
|
||||
CLet fc x inl (substEnv outer dropped env val) sc'
|
||||
substEnv outer dropped env (CApp fc x xs)
|
||||
= CApp fc (substEnv outer dropped env x) (assert_total (map (substEnv outer dropped env) xs))
|
||||
substEnv outer dropped env (CCon fc x ci tag xs)
|
||||
= CCon fc x ci tag (assert_total (map (substEnv outer dropped env) xs))
|
||||
substEnv outer dropped env (COp fc x xs)
|
||||
= COp fc x (assert_total (map (substEnv outer dropped env) xs))
|
||||
substEnv outer dropped env (CExtPrim fc p xs)
|
||||
= CExtPrim fc p (assert_total (map (substEnv outer dropped env) xs))
|
||||
substEnv outer dropped env (CForce fc lr x) = CForce fc lr (substEnv outer dropped env x)
|
||||
substEnv outer dropped env (CDelay fc lr x) = CDelay fc lr (substEnv outer dropped env x)
|
||||
substEnv outer dropped env (CConCase fc sc xs def)
|
||||
= CConCase fc (substEnv outer dropped env sc)
|
||||
(assert_total (map (substConAlt outer dropped env) xs))
|
||||
(assert_total (map (substEnv outer dropped env) def))
|
||||
substEnv outer dropped env (CConstCase fc sc xs def)
|
||||
= CConstCase fc (substEnv outer dropped env sc)
|
||||
(assert_total (map (substConstAlt outer dropped env) xs))
|
||||
(assert_total (map (substEnv outer dropped env) def))
|
||||
substEnv _ _ _ (CPrimVal fc x) = CPrimVal fc x
|
||||
substEnv _ _ _ (CErased fc) = CErased fc
|
||||
substEnv _ _ _ (CCrash fc x) = CCrash fc x
|
||||
|
||||
substConAlt : SizeOf outer ->
|
||||
SubstCEnv dropped vars ->
|
||||
CConAlt (outer ++ (dropped ++ vars)) ->
|
||||
CConAlt (outer ++ vars)
|
||||
substConAlt {vars} {outer} {dropped} p env (MkConAlt x ci tag args sc)
|
||||
substConAlt : Substitutable CExp CConAlt
|
||||
substConAlt {vars} {outer} {dropped} p q env (MkConAlt x ci tag args sc)
|
||||
= MkConAlt x ci tag args
|
||||
(rewrite appendAssociative args outer vars in
|
||||
substEnv (mkSizeOf args + p) env
|
||||
substEnv (mkSizeOf args + p) q env
|
||||
(rewrite sym (appendAssociative args outer (dropped ++ vars)) in
|
||||
sc))
|
||||
|
||||
substConstAlt : SizeOf outer ->
|
||||
SubstCEnv dropped vars ->
|
||||
CConstAlt (outer ++ (dropped ++ vars)) ->
|
||||
CConstAlt (outer ++ vars)
|
||||
substConstAlt outer env (MkConstAlt x sc) = MkConstAlt x (substEnv outer env sc)
|
||||
substConstAlt : Substitutable CExp CConstAlt
|
||||
substConstAlt outer dropped env (MkConstAlt x sc) = MkConstAlt x (substEnv outer dropped env sc)
|
||||
|
||||
export
|
||||
substs : {dropped, vars : _} ->
|
||||
SizeOf dropped ->
|
||||
SubstCEnv dropped vars -> CExp (dropped ++ vars) -> CExp vars
|
||||
substs env tm = substEnv zero env tm
|
||||
|
||||
resolveRef : SizeOf outer ->
|
||||
SizeOf done ->
|
||||
Bounds bound -> FC -> Name ->
|
||||
Maybe (CExp (outer ++ (done ++ bound ++ vars)))
|
||||
resolveRef _ _ None _ _ = Nothing
|
||||
resolveRef {outer} {vars} {done} p q (Add {xs} new old bs) fc n
|
||||
= if n == old
|
||||
then rewrite appendAssociative outer done (new :: xs ++ vars) in
|
||||
let MkNVar p = weakenNVar (p + q) (MkNVar First) in
|
||||
Just (CLocal fc p)
|
||||
else rewrite appendAssociative done [new] (xs ++ vars)
|
||||
in resolveRef p (sucR q) bs fc n
|
||||
substs = substEnv zero
|
||||
|
||||
mutual
|
||||
export
|
||||
@ -667,7 +593,9 @@ mutual
|
||||
mkLocals later bs (CLocal {idx} {x} fc p)
|
||||
= let MkNVar p' = addVars later bs (MkNVar p) in CLocal {x} fc p'
|
||||
mkLocals later bs (CRef fc var)
|
||||
= maybe (CRef fc var) id (resolveRef later zero bs fc var)
|
||||
= fromMaybe (CRef fc var) $ do
|
||||
MkVar p <- resolveRef later [<] bs fc var
|
||||
pure (CLocal fc p)
|
||||
mkLocals later bs (CLam fc x sc)
|
||||
= let sc' = mkLocals (suc later) bs sc in
|
||||
CLam fc x sc'
|
||||
|
||||
@ -23,18 +23,13 @@ import Libraries.Data.String.Extra
|
||||
|
||||
%hide Core.Name.prettyOp
|
||||
|
||||
%hide Core.TT.Bound
|
||||
%hide Core.TT.App
|
||||
|
||||
%hide CompileExpr.(::)
|
||||
%hide CompileExpr.Nil
|
||||
%hide String.(::)
|
||||
%hide String.Nil
|
||||
%hide Doc.Nil
|
||||
%hide SubstEnv.(::)
|
||||
%hide SubstEnv.Nil
|
||||
%hide SubstCEnv.(::)
|
||||
%hide SubstCEnv.Nil
|
||||
%hide Subst.(::)
|
||||
%hide Subst.Nil
|
||||
%hide CList.(::)
|
||||
%hide CList.Nil
|
||||
%hide Stream.(::)
|
||||
|
||||
@ -53,11 +53,7 @@ getPs : {auto _ : Ref Ctxt Defs} -> {vars : _} ->
|
||||
Core (Maybe (List (Maybe (Term vars))))
|
||||
getPs acc tyn (Bind _ x (Pi _ _ _ ty) sc)
|
||||
= do scPs <- getPs (map (map (map weaken)) acc) tyn sc
|
||||
pure $ map (map shrink) scPs
|
||||
where
|
||||
shrink : Maybe (Term (x :: vars)) -> Maybe (Term vars)
|
||||
shrink Nothing = Nothing
|
||||
shrink (Just tm) = shrinkTerm tm (DropCons SubRefl)
|
||||
pure $ map (map (>>= \ tm => shrink tm (Drop Refl))) scPs
|
||||
getPs acc tyn tm
|
||||
= case getFnArgs tm of
|
||||
(Ref _ _ n, args) =>
|
||||
|
||||
@ -20,8 +20,8 @@ import Libraries.Data.String.Extra
|
||||
%hide String.(::)
|
||||
%hide String.Nil
|
||||
%hide Doc.Nil
|
||||
%hide SubstEnv.(::)
|
||||
%hide SubstEnv.Nil
|
||||
%hide Subst.(::)
|
||||
%hide Subst.Nil
|
||||
%hide CList.(::)
|
||||
%hide CList.Nil
|
||||
%hide Stream.(::)
|
||||
|
||||
@ -200,9 +200,9 @@ showK : {ns : _} ->
|
||||
Show a => KnownVars ns a -> String
|
||||
showK {a} xs = show (map aString xs)
|
||||
where
|
||||
aString : {vars : _} ->
|
||||
aString : {vars : Scope} ->
|
||||
(Var vars, a) -> (Name, a)
|
||||
aString (MkVar v, t) = (getName v, t)
|
||||
aString (MkVar v, t) = (nameAt v, t)
|
||||
|
||||
weakenNs : SizeOf args -> KnownVars vars a -> KnownVars (args ++ vars) a
|
||||
weakenNs args [] = []
|
||||
@ -213,7 +213,7 @@ findTag : {idx, vars : _} ->
|
||||
(0 p : IsVar n idx vars) -> KnownVars vars a -> Maybe a
|
||||
findTag v [] = Nothing
|
||||
findTag v ((v', t) :: xs)
|
||||
= if sameVar (MkVar v) v'
|
||||
= if MkVar v == v'
|
||||
then Just t
|
||||
else findTag v xs
|
||||
|
||||
@ -222,7 +222,7 @@ addNot : {idx, vars : _} ->
|
||||
KnownVars vars (List Int)
|
||||
addNot v t [] = [(MkVar v, [t])]
|
||||
addNot v t ((v', ts) :: xs)
|
||||
= if sameVar (MkVar v) v'
|
||||
= if MkVar v == v'
|
||||
then ((v', t :: ts) :: xs)
|
||||
else ((v', ts) :: addNot v t xs)
|
||||
|
||||
@ -436,20 +436,8 @@ clauseMatches : {vars : _} ->
|
||||
Env Term vars -> Term vars ->
|
||||
ClosedTerm -> Core Bool
|
||||
clauseMatches env tm trylhs
|
||||
= let lhs = !(eraseApps (close (getLoc tm) env tm)) in
|
||||
= let lhs = !(eraseApps (close (getLoc tm) "cov" env tm)) in
|
||||
pure $ match !(toResolvedNames lhs) !(toResolvedNames trylhs)
|
||||
where
|
||||
mkSubstEnv : {vars : _} ->
|
||||
FC -> Int -> Env Term vars -> SubstEnv vars []
|
||||
mkSubstEnv fc i [] = Nil
|
||||
mkSubstEnv fc i (v :: vs)
|
||||
= Ref fc Bound (MN "cov" i) :: mkSubstEnv fc (i + 1) vs
|
||||
|
||||
close : {vars : _} ->
|
||||
FC -> Env Term vars -> Term vars -> ClosedTerm
|
||||
close {vars} fc env tm
|
||||
= substs (mkSubstEnv fc 0 env)
|
||||
(rewrite appendNilRightNeutral vars in tm)
|
||||
|
||||
export
|
||||
checkMatched : {auto c : Ref Ctxt Defs} ->
|
||||
|
||||
@ -227,21 +227,21 @@ isUsed n (v :: vs) = n == varIdx v || isUsed n vs
|
||||
|
||||
mkShrinkSub : {n : _} ->
|
||||
(vars : _) -> List (Var (n :: vars)) ->
|
||||
(newvars ** SubVars newvars (n :: vars))
|
||||
(newvars ** Thin newvars (n :: vars))
|
||||
mkShrinkSub [] els
|
||||
= if isUsed 0 els
|
||||
then (_ ** KeepCons SubRefl)
|
||||
else (_ ** DropCons SubRefl)
|
||||
then (_ ** Keep Refl)
|
||||
else (_ ** Drop Refl)
|
||||
mkShrinkSub (x :: xs) els
|
||||
= let (_ ** subRest) = mkShrinkSub xs (dropFirst els) in
|
||||
if isUsed 0 els
|
||||
then (_ ** KeepCons subRest)
|
||||
else (_ ** DropCons subRest)
|
||||
then (_ ** Keep subRest)
|
||||
else (_ ** Drop subRest)
|
||||
|
||||
mkShrink : {vars : _} ->
|
||||
List (Var vars) ->
|
||||
(newvars ** SubVars newvars vars)
|
||||
mkShrink {vars = []} xs = (_ ** SubRefl)
|
||||
(newvars ** Thin newvars vars)
|
||||
mkShrink {vars = []} xs = (_ ** Refl)
|
||||
mkShrink {vars = v :: vs} xs = mkShrinkSub _ xs
|
||||
|
||||
-- Find the smallest subset of the environment which is needed to type check
|
||||
@ -249,14 +249,14 @@ mkShrink {vars = v :: vs} xs = mkShrinkSub _ xs
|
||||
export
|
||||
findSubEnv : {vars : _} ->
|
||||
Env Term vars -> Term vars ->
|
||||
(vars' : List Name ** SubVars vars' vars)
|
||||
(vars' : List Name ** Thin vars' vars)
|
||||
findSubEnv env tm = mkShrink (findUsedLocs env tm)
|
||||
|
||||
export
|
||||
shrinkEnv : Env Term vars -> SubVars newvars vars -> Maybe (Env Term newvars)
|
||||
shrinkEnv env SubRefl = Just env
|
||||
shrinkEnv (b :: env) (DropCons p) = shrinkEnv env p
|
||||
shrinkEnv (b :: env) (KeepCons p)
|
||||
shrinkEnv : Env Term vars -> Thin newvars vars -> Maybe (Env Term newvars)
|
||||
shrinkEnv env Refl = Just env
|
||||
shrinkEnv (b :: env) (Drop p) = shrinkEnv env p
|
||||
shrinkEnv (b :: env) (Keep p)
|
||||
= do env' <- shrinkEnv env p
|
||||
b' <- assert_total (shrinkBinder b p)
|
||||
pure (b' :: env')
|
||||
@ -304,16 +304,16 @@ uniqifyEnv env = uenv [] env
|
||||
uenv : {vars : _} ->
|
||||
List Name -> Env Term vars ->
|
||||
(vars' ** (Env Term vars', CompatibleVars vars vars'))
|
||||
uenv used [] = ([] ** ([], CompatPre))
|
||||
uenv used [] = ([] ** ([], Pre))
|
||||
uenv used {vars = v :: vs} (b :: bs)
|
||||
= if v `elem` used
|
||||
then let v' = uniqueLocal used v
|
||||
(vs' ** (env', compat)) = uenv (v' :: used) bs
|
||||
b' = map (renameVars compat) b in
|
||||
(v' :: vs' ** (b' :: env', CompatExt compat))
|
||||
b' = map (compatNs compat) b in
|
||||
(v' :: vs' ** (b' :: env', Ext compat))
|
||||
else let (vs' ** (env', compat)) = uenv (v :: used) bs
|
||||
b' = map (renameVars compat) b in
|
||||
(v :: vs' ** (b' :: env', CompatExt compat))
|
||||
b' = map (compatNs compat) b in
|
||||
(v :: vs' ** (b' :: env', Ext compat))
|
||||
|
||||
export
|
||||
allVars : {vars : _} -> Env Term vars -> List (Var vars)
|
||||
@ -325,3 +325,17 @@ allVarsNoLet : {vars : _} -> Env Term vars -> List (Var vars)
|
||||
allVarsNoLet [] = []
|
||||
allVarsNoLet (Let _ _ _ _ :: vs) = map weaken (allVars vs)
|
||||
allVarsNoLet (v :: vs) = MkVar First :: map weaken (allVars vs)
|
||||
|
||||
export
|
||||
close : FC -> String -> Env Term vars -> Term vars -> ClosedTerm
|
||||
close fc nm env tm
|
||||
= let (s, env) = mkSubstEnv 0 env in
|
||||
substs s env (rewrite appendNilRightNeutral vars in tm)
|
||||
|
||||
where
|
||||
|
||||
mkSubstEnv : Int -> Env Term vs -> (SizeOf vs, SubstEnv vs [])
|
||||
mkSubstEnv i [] = (zero, [])
|
||||
mkSubstEnv i (v :: vs)
|
||||
= let (s, env) = mkSubstEnv (i + 1) vs in
|
||||
(suc s, Ref fc Bound (MN nm i) :: env)
|
||||
|
||||
@ -146,7 +146,7 @@ Hashable ty => Hashable (Binder ty) where
|
||||
= h `hashWithSalt` 5 `hashWithSalt` c `hashWithSalt` ty
|
||||
|
||||
Hashable (Var vars) where
|
||||
hashWithSalt h (MkVar {i} _) = hashWithSalt h i
|
||||
hashWithSalt h (MkVar {varIdx = i} _) = hashWithSalt h i
|
||||
|
||||
mutual
|
||||
export
|
||||
|
||||
@ -13,6 +13,8 @@ import Core.TT
|
||||
|
||||
import Data.List
|
||||
|
||||
import Libraries.Data.SnocList.SizeOf
|
||||
|
||||
%default covering
|
||||
|
||||
-- List of variable usages - we'll count the contents of specific variables
|
||||
@ -43,14 +45,8 @@ count p [] = 0
|
||||
count p (v :: xs)
|
||||
= if p == varIdx v then 1 + count p xs else count p xs
|
||||
|
||||
localPrf : {later : _} -> Var (later ++ n :: vars)
|
||||
localPrf {later = []} = MkVar First
|
||||
localPrf {n} {vars} {later = (x :: xs)}
|
||||
= let MkVar p = localPrf {n} {vars} {later = xs} in
|
||||
MkVar (Later p)
|
||||
|
||||
mutual
|
||||
updateHoleUsageArgs : {vars : _} ->
|
||||
updateHoleUsageArgs : {0 vars : _} ->
|
||||
{auto c : Ref Ctxt Defs} ->
|
||||
{auto u : Ref UST UState} ->
|
||||
(useInHole : Bool) ->
|
||||
@ -65,7 +61,7 @@ mutual
|
||||
-- The assumption here is that hole types are abstracted over the entire
|
||||
-- environment, so that they have the appropriate number of function
|
||||
-- arguments and there are no lets
|
||||
updateHoleType : {vars : _} ->
|
||||
updateHoleType : {0 vars : _} ->
|
||||
{auto c : Ref Ctxt Defs} ->
|
||||
{auto u : Ref UST UState} ->
|
||||
(useInHole : Bool) ->
|
||||
@ -124,7 +120,7 @@ mutual
|
||||
findLocal (_ :: els) (S k) = findLocal els k
|
||||
findLocal _ _ = Nothing
|
||||
|
||||
updateHoleUsage : {vars : _} ->
|
||||
updateHoleUsage : {0 vars : _} ->
|
||||
{auto c : Ref Ctxt Defs} ->
|
||||
{auto u : Ref UST UState} ->
|
||||
(useInHole : Bool) ->
|
||||
@ -526,14 +522,15 @@ mutual
|
||||
-- As checkEnvUsage in general, but it's okay for local variables to
|
||||
-- remain unused (since in that case, they must be used outside the
|
||||
-- case block)
|
||||
checkEnvUsage : {done, vars : _} ->
|
||||
checkEnvUsage : {vars : _} ->
|
||||
SizeOf done ->
|
||||
RigCount ->
|
||||
Env Term vars -> Usage (done ++ vars) ->
|
||||
List (Term (done ++ vars)) ->
|
||||
Term (done ++ vars) -> Core ()
|
||||
checkEnvUsage rig [] usage args tm = pure ()
|
||||
checkEnvUsage rig {done} {vars = nm :: xs} (b :: env) usage args tm
|
||||
= do let pos = localPrf {later = done}
|
||||
Env Term vars -> Usage (done <>> vars) ->
|
||||
List (Term (done <>> vars)) ->
|
||||
Term (done <>> vars) -> Core ()
|
||||
checkEnvUsage s rig [] usage args tm = pure ()
|
||||
checkEnvUsage s rig {done} {vars = nm :: xs} (b :: env) usage args tm
|
||||
= do let pos = mkVarChiply s
|
||||
let used_in = count (varIdx pos) usage
|
||||
|
||||
holeFound <- if isLinear (multiplicity b)
|
||||
@ -546,10 +543,7 @@ mutual
|
||||
checkUsageOK (getLoc (binderType b))
|
||||
used nm (isLocArg pos args)
|
||||
((multiplicity b) |*| rig)
|
||||
checkEnvUsage {done = done ++ [nm]} rig env
|
||||
(rewrite sym (appendAssociative done [nm] xs) in usage)
|
||||
(rewrite sym (appendAssociative done [nm] xs) in args)
|
||||
(rewrite sym (appendAssociative done [nm] xs) in tm)
|
||||
checkEnvUsage (s :< nm) rig env usage args tm
|
||||
|
||||
getPUsage : ClosedTerm -> (vs ** (Env Term vs, Term vs, Term vs)) ->
|
||||
Core (List (Name, ArgUsage))
|
||||
@ -560,7 +554,7 @@ mutual
|
||||
(rhs', _, used) <- lcheck rig False penv rhs
|
||||
log "quantity" 10 $ "Used: " ++ show used
|
||||
let args = getArgs lhs
|
||||
checkEnvUsage {done = []} rig penv used args rhs'
|
||||
checkEnvUsage [<] rig penv used args rhs'
|
||||
ause <- getCaseUsage ty penv args used rhs
|
||||
log "quantity" 10 $ "Arg usage: " ++ show ause
|
||||
pure ause
|
||||
@ -652,18 +646,19 @@ mutual
|
||||
Name -> Int -> Def -> List (Term vars) ->
|
||||
Core (Term vars, Glued vars, Usage vars)
|
||||
expandMeta rig erase env n idx (PMDef _ [] (STerm _ fn) _ _) args
|
||||
= do tm <- substMeta (embed fn) args []
|
||||
= do tm <- substMeta (embed fn) args zero []
|
||||
lcheck rig erase env tm
|
||||
where
|
||||
substMeta : {drop, vs : _} ->
|
||||
Term (drop ++ vs) -> List (Term vs) -> SubstEnv drop vs ->
|
||||
Term (drop ++ vs) -> List (Term vs) ->
|
||||
SizeOf drop -> SubstEnv drop vs ->
|
||||
Core (Term vs)
|
||||
substMeta (Bind bfc n (Lam _ c e ty) sc) (a :: as) env
|
||||
= substMeta sc as (a :: env)
|
||||
substMeta (Bind bfc n (Let _ c val ty) sc) as env
|
||||
= substMeta (subst val sc) as env
|
||||
substMeta rhs [] env = pure (substs env rhs)
|
||||
substMeta rhs _ _ = throw (InternalError ("Badly formed metavar solution " ++ show n ++ " " ++ show fn))
|
||||
substMeta (Bind bfc n (Lam _ c e ty) sc) (a :: as) drop env
|
||||
= substMeta sc as (suc drop) (a :: env)
|
||||
substMeta (Bind bfc n (Let _ c val ty) sc) as drop env
|
||||
= substMeta (subst val sc) as drop env
|
||||
substMeta rhs [] drop env = pure (substs drop env rhs)
|
||||
substMeta rhs _ _ _ = throw (InternalError ("Badly formed metavar solution " ++ show n ++ " " ++ show fn))
|
||||
expandMeta rig erase env n idx def _
|
||||
= throw (InternalError ("Badly formed metavar solution " ++ show n ++ " " ++ show def))
|
||||
|
||||
@ -699,16 +694,16 @@ mutual
|
||||
pure (Meta fc n idx (reverse chk), glueBack defs env nty, [])
|
||||
|
||||
|
||||
checkEnvUsage : {vars, done : _} ->
|
||||
checkEnvUsage : {vars : _} ->
|
||||
{auto c : Ref Ctxt Defs} ->
|
||||
{auto u : Ref UST UState} ->
|
||||
FC -> RigCount ->
|
||||
Env Term vars -> Usage (done ++ vars) ->
|
||||
Term (done ++ vars) ->
|
||||
FC -> SizeOf done -> RigCount ->
|
||||
Env Term vars -> Usage (done <>> vars) ->
|
||||
Term (done <>> vars) ->
|
||||
Core ()
|
||||
checkEnvUsage fc rig [] usage tm = pure ()
|
||||
checkEnvUsage fc rig {done} {vars = nm :: xs} (b :: env) usage tm
|
||||
= do let pos = localPrf {later = done}
|
||||
checkEnvUsage fc s rig [] usage tm = pure ()
|
||||
checkEnvUsage fc s rig {vars = nm :: xs} (b :: env) usage tm
|
||||
= do let pos = mkVarChiply s
|
||||
let used_in = count (varIdx pos) usage
|
||||
|
||||
holeFound <- if isLinear (multiplicity b)
|
||||
@ -719,9 +714,7 @@ checkEnvUsage fc rig {done} {vars = nm :: xs} (b :: env) usage tm
|
||||
then 1
|
||||
else used_in
|
||||
checkUsageOK used ((multiplicity b) |*| rig)
|
||||
checkEnvUsage {done = done ++ [nm]} fc rig env
|
||||
(rewrite sym (appendAssociative done [nm] xs) in usage)
|
||||
(rewrite sym (appendAssociative done [nm] xs) in tm)
|
||||
checkEnvUsage fc (s :< nm) rig env usage tm
|
||||
where
|
||||
checkUsageOK : Nat -> RigCount -> Core ()
|
||||
checkUsageOK used r = when (isLinear r && used /= 1)
|
||||
@ -743,5 +736,5 @@ linearCheck fc rig erase env tm
|
||||
logEnv "quantity" 5 "In env" env
|
||||
(tm', _, used) <- lcheck rig erase env tm
|
||||
log "quantity" 5 $ "Used: " ++ show used
|
||||
when (not erase) $ checkEnvUsage {done = []} fc rig env used tm'
|
||||
when (not erase) $ checkEnvUsage fc [<] rig env used tm'
|
||||
pure tm'
|
||||
|
||||
@ -447,7 +447,7 @@ nameEq (Resolved x) (Resolved y) with (decEq x y)
|
||||
nameEq _ _ = Nothing
|
||||
|
||||
export
|
||||
namesEq : (xs : List Name) -> (ys : List Name) -> Maybe (xs = ys)
|
||||
namesEq : (xs, ys : List Name) -> Maybe (xs = ys)
|
||||
namesEq [] [] = Just Refl
|
||||
namesEq (x :: xs) (y :: ys)
|
||||
= do p <- nameEq x y
|
||||
@ -456,3 +456,11 @@ namesEq (x :: xs) (y :: ys)
|
||||
rewrite ps
|
||||
Just Refl
|
||||
namesEq _ _ = Nothing
|
||||
|
||||
||| Generate the next machine name
|
||||
export
|
||||
next : Name -> Name
|
||||
next (MN n i) = MN n (i + 1)
|
||||
next (UN n) = MN (show n) 0
|
||||
next (NS ns n) = NS ns (next n)
|
||||
next n = MN (show n) 0
|
||||
|
||||
260
src/Core/Name/Scoped.idr
Normal file
260
src/Core/Name/Scoped.idr
Normal file
@ -0,0 +1,260 @@
|
||||
module Core.Name.Scoped
|
||||
|
||||
import Core.Name
|
||||
|
||||
import public Libraries.Data.List.HasLength
|
||||
import public Libraries.Data.List.SizeOf
|
||||
|
||||
%default total
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Basic type definitions
|
||||
|
||||
||| A scope is represented by a list of names. E.g. in the following
|
||||
||| rule, the scope Γ is extended with x when going under the λx.
|
||||
||| binder:
|
||||
|||
|
||||
||| Γ, x ⊢ t : B
|
||||
||| -----------------------------
|
||||
||| Γ ⊢ λx. t : A → B
|
||||
public export
|
||||
Scope : Type
|
||||
Scope = List Name
|
||||
-- TODO: make that a SnocList
|
||||
|
||||
||| A scoped definition is one indexed by a scope
|
||||
public export
|
||||
Scoped : Type
|
||||
Scoped = Scope -> Type
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Semi-decidable equality
|
||||
|
||||
export
|
||||
scopeEq : (xs, ys : Scope) -> Maybe (xs = ys)
|
||||
scopeEq [] [] = Just Refl
|
||||
scopeEq (x :: xs) (y :: ys)
|
||||
= do Refl <- nameEq x y
|
||||
Refl <- scopeEq xs ys
|
||||
Just Refl
|
||||
scopeEq _ _ = Nothing
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Generate a fresh name (for a given scope)
|
||||
|
||||
export
|
||||
mkFresh : Scope -> Name -> Name
|
||||
mkFresh vs n
|
||||
= if n `elem` vs
|
||||
then assert_total $ mkFresh vs (next n)
|
||||
else n
|
||||
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Compatible variables
|
||||
|
||||
public export
|
||||
data CompatibleVars : (xs, ys : List a) -> Type where
|
||||
Pre : CompatibleVars xs xs
|
||||
Ext : CompatibleVars xs ys -> CompatibleVars (n :: xs) (m :: ys)
|
||||
|
||||
export
|
||||
invertExt : CompatibleVars (n :: xs) (m :: ys) -> CompatibleVars xs ys
|
||||
invertExt Pre = Pre
|
||||
invertExt (Ext p) = p
|
||||
|
||||
export
|
||||
extendCompats : (args : List a) ->
|
||||
CompatibleVars xs ys ->
|
||||
CompatibleVars (args ++ xs) (args ++ ys)
|
||||
extendCompats args Pre = Pre
|
||||
extendCompats args prf = go args prf where
|
||||
|
||||
go : (args : List a) ->
|
||||
CompatibleVars xs ys ->
|
||||
CompatibleVars (args ++ xs) (args ++ ys)
|
||||
go [] prf = prf
|
||||
go (x :: xs) prf = Ext (go xs prf)
|
||||
|
||||
export
|
||||
decCompatibleVars : (xs, ys : List a) -> Dec (CompatibleVars xs ys)
|
||||
decCompatibleVars [] [] = Yes Pre
|
||||
decCompatibleVars [] (x :: xs) = No (\case p impossible)
|
||||
decCompatibleVars (x :: xs) [] = No (\case p impossible)
|
||||
decCompatibleVars (x :: xs) (y :: ys) = case decCompatibleVars xs ys of
|
||||
Yes prf => Yes (Ext prf)
|
||||
No nprf => No (nprf . invertExt)
|
||||
|
||||
export
|
||||
areCompatibleVars : (xs, ys : List a) ->
|
||||
Maybe (CompatibleVars xs ys)
|
||||
areCompatibleVars [] [] = pure Pre
|
||||
areCompatibleVars (x :: xs) (y :: ys)
|
||||
= do compat <- areCompatibleVars xs ys
|
||||
pure (Ext compat)
|
||||
areCompatibleVars _ _ = Nothing
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Thinnings
|
||||
|
||||
public export
|
||||
data Thin : List a -> List a -> Type where
|
||||
Refl : Thin xs xs
|
||||
Drop : Thin xs ys -> Thin xs (y :: ys)
|
||||
Keep : Thin xs ys -> Thin (x :: xs) (x :: ys)
|
||||
|
||||
export
|
||||
none : {xs : List a} -> Thin [] xs
|
||||
none {xs = []} = Refl
|
||||
none {xs = _ :: _} = Drop none
|
||||
|
||||
{- UNUSED: we actually sometimes want Refl vs. Keep!
|
||||
||| Smart constructor. We should use this to maximise the length
|
||||
||| of the Refl segment thus getting more short-circuiting behaviours
|
||||
export
|
||||
Keep : Thin xs ys -> Thin (x :: xs) (x :: ys)
|
||||
Keep Refl = Refl
|
||||
Keep p = Keep p
|
||||
-}
|
||||
|
||||
export
|
||||
keeps : (args : List a) -> Thin xs ys -> Thin (args ++ xs) (args ++ ys)
|
||||
keeps [] th = th
|
||||
keeps (x :: xs) th = Keep (keeps xs th)
|
||||
|
||||
||| Compute the thinning getting rid of the listed de Bruijn indices.
|
||||
-- TODO: is the list of erased arguments guaranteed to be sorted?
|
||||
-- Should it?
|
||||
export
|
||||
removeByIndices :
|
||||
(erasedArgs : List Nat) ->
|
||||
(args : Scope) ->
|
||||
(args' ** Thin args' args)
|
||||
removeByIndices es = go 0 where
|
||||
|
||||
go : (currentIdx : Nat) -> (args : Scope) ->
|
||||
(args' ** Thin args' args)
|
||||
go idx [] = ([] ** Refl)
|
||||
go idx (x :: xs) =
|
||||
let (vs ** th) = go (S idx) xs in
|
||||
if idx `elem` es
|
||||
then (vs ** Drop th)
|
||||
else (x :: vs ** Keep th)
|
||||
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Concepts
|
||||
|
||||
public export
|
||||
0 Weakenable : Scoped -> Type
|
||||
Weakenable tm = {0 vars, ns : Scope} ->
|
||||
SizeOf ns -> tm vars -> tm (ns ++ vars)
|
||||
|
||||
public export
|
||||
0 Strengthenable : Scoped -> Type
|
||||
Strengthenable tm = {0 vars, ns : Scope} ->
|
||||
SizeOf ns -> tm (ns ++ vars) -> Maybe (tm vars)
|
||||
|
||||
public export
|
||||
0 GenWeakenable : Scoped -> Type
|
||||
GenWeakenable tm = {0 outer, ns, local : Scope} ->
|
||||
SizeOf local -> SizeOf ns -> tm (local ++ outer) -> tm (local ++ (ns ++ outer))
|
||||
|
||||
public export
|
||||
0 Thinnable : Scoped -> Type
|
||||
Thinnable tm = {0 xs, ys : Scope} -> tm xs -> Thin xs ys -> tm ys
|
||||
|
||||
public export
|
||||
0 Shrinkable : Scoped -> Type
|
||||
Shrinkable tm = {0 xs, ys : Scope} -> tm xs -> Thin ys xs -> Maybe (tm ys)
|
||||
|
||||
public export
|
||||
0 Embeddable : Scoped -> Type
|
||||
Embeddable tm = {0 outer, vars : Scope} -> tm vars -> tm (vars ++ outer)
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- IsScoped interface
|
||||
|
||||
public export
|
||||
interface Weaken (0 tm : Scoped) where
|
||||
constructor MkWeaken
|
||||
-- methods
|
||||
weaken : tm vars -> tm (nm :: vars)
|
||||
weakenNs : Weakenable tm
|
||||
-- default implementations
|
||||
weaken = weakenNs (suc zero)
|
||||
|
||||
-- This cannot be merged with Weaken because of WkCExp
|
||||
public export
|
||||
interface GenWeaken (0 tm : Scoped) where
|
||||
constructor MkGenWeaken
|
||||
genWeakenNs : GenWeakenable tm
|
||||
|
||||
export
|
||||
genWeaken : GenWeaken tm =>
|
||||
SizeOf local -> tm (local ++ outer) -> tm (local ++ n :: outer)
|
||||
genWeaken l = genWeakenNs l (suc zero)
|
||||
|
||||
public export
|
||||
interface Strengthen (0 tm : Scoped) where
|
||||
constructor MkStrengthen
|
||||
-- methods
|
||||
strengthenNs : Strengthenable tm
|
||||
|
||||
export
|
||||
strengthen : Strengthen tm => tm (nm :: vars) -> Maybe (tm vars)
|
||||
strengthen = strengthenNs (suc zero)
|
||||
|
||||
public export
|
||||
interface FreelyEmbeddable (0 tm : Scoped) where
|
||||
constructor MkFreelyEmbeddable
|
||||
-- this is free for nameless representations
|
||||
embed : Embeddable tm
|
||||
embed = believe_me
|
||||
|
||||
export
|
||||
FunctorFreelyEmbeddable : Functor f => FreelyEmbeddable tm => FreelyEmbeddable (f . tm)
|
||||
FunctorFreelyEmbeddable = MkFreelyEmbeddable believe_me
|
||||
|
||||
export
|
||||
ListFreelyEmbeddable : FreelyEmbeddable tm => FreelyEmbeddable (List . tm)
|
||||
ListFreelyEmbeddable = FunctorFreelyEmbeddable
|
||||
|
||||
export
|
||||
MaybeFreelyEmbeddable : FreelyEmbeddable tm => FreelyEmbeddable (Maybe . tm)
|
||||
MaybeFreelyEmbeddable = FunctorFreelyEmbeddable
|
||||
|
||||
export
|
||||
GenWeakenWeakens : GenWeaken tm => Weaken tm
|
||||
GenWeakenWeakens = MkWeaken (genWeakenNs zero (suc zero)) (genWeakenNs zero)
|
||||
|
||||
export
|
||||
FunctorGenWeaken : Functor f => GenWeaken tm => GenWeaken (f . tm)
|
||||
FunctorGenWeaken = MkGenWeaken (\ l, s => map (genWeakenNs l s))
|
||||
|
||||
export
|
||||
FunctorWeaken : Functor f => Weaken tm => Weaken (f . tm)
|
||||
FunctorWeaken = MkWeaken (go (suc zero)) go where
|
||||
|
||||
go : Weakenable (f . tm)
|
||||
go s = map (weakenNs s)
|
||||
|
||||
export
|
||||
ListWeaken : Weaken tm => Weaken (List . tm)
|
||||
ListWeaken = FunctorWeaken
|
||||
|
||||
export
|
||||
MaybeWeaken : Weaken tm => Weaken (Maybe . tm)
|
||||
MaybeWeaken = FunctorWeaken
|
||||
|
||||
public export
|
||||
interface Weaken tm => IsScoped (0 tm : Scoped) where
|
||||
-- methods
|
||||
compatNs : CompatibleVars xs ys -> tm xs -> tm ys
|
||||
|
||||
thin : Thinnable tm
|
||||
shrink : Shrinkable tm
|
||||
|
||||
export
|
||||
compat : IsScoped tm => tm (m :: xs) -> tm (n :: xs)
|
||||
compat = compatNs (Ext Pre)
|
||||
@ -141,7 +141,7 @@ etaContract tm = do
|
||||
case tm of
|
||||
(Bind _ x (Lam _ _ _ _) (App _ fn (Local _ _ Z _))) => do
|
||||
logTerm "eval.eta" 10 " Shrinking candidate" fn
|
||||
let shrunk = shrinkTerm fn (DropCons SubRefl)
|
||||
let shrunk = shrink fn (Drop Refl)
|
||||
case shrunk of
|
||||
Nothing => do
|
||||
log "eval.eta" 10 " Failure!"
|
||||
@ -278,19 +278,19 @@ replace' {vars} tmpi defs env lhs parg tm
|
||||
quote empty env (NApp fc hd [])
|
||||
repSub (NApp fc hd args)
|
||||
= do args' <- traverse (traversePair repArg) args
|
||||
pure $ applyWithFC
|
||||
pure $ applyStackWithFC
|
||||
!(replace' tmpi defs env lhs parg (NApp fc hd []))
|
||||
args'
|
||||
repSub (NDCon fc n t a args)
|
||||
= do args' <- traverse (traversePair repArg) args
|
||||
empty <- clearDefs defs
|
||||
pure $ applyWithFC
|
||||
pure $ applyStackWithFC
|
||||
!(quote empty env (NDCon fc n t a []))
|
||||
args'
|
||||
repSub (NTCon fc n t a args)
|
||||
= do args' <- traverse (traversePair repArg) args
|
||||
empty <- clearDefs defs
|
||||
pure $ applyWithFC
|
||||
pure $ applyStackWithFC
|
||||
!(quote empty env (NTCon fc n t a []))
|
||||
args'
|
||||
repSub (NAs fc s a p)
|
||||
@ -307,7 +307,7 @@ replace' {vars} tmpi defs env lhs parg tm
|
||||
repSub (NForce fc r tm args)
|
||||
= do args' <- traverse (traversePair repArg) args
|
||||
tm' <- repSub tm
|
||||
pure $ applyWithFC (TForce fc r tm') args'
|
||||
pure $ applyStackWithFC (TForce fc r tm') args'
|
||||
repSub (NErased fc (Dotted t))
|
||||
= do t' <- repSub t
|
||||
pure (Erased fc (Dotted t'))
|
||||
|
||||
@ -45,13 +45,13 @@ tryUpdate : {vars, vars' : _} ->
|
||||
List (Var vars, Var vars') ->
|
||||
Term vars -> Maybe (Term vars')
|
||||
tryUpdate ms (Local fc l idx p)
|
||||
= do MkVar p' <- findIdx ms idx
|
||||
= do MkVar p' <- findIdx ms (MkVar p)
|
||||
pure $ Local fc l _ p'
|
||||
where
|
||||
findIdx : List (Var vars, Var vars') -> Nat -> Maybe (Var vars')
|
||||
findIdx : List (Var vars, Var vars') -> Var vars -> Maybe (Var vars')
|
||||
findIdx [] _ = Nothing
|
||||
findIdx ((MkVar {i} _, v) :: ps) n
|
||||
= if i == n then Just v else findIdx ps n
|
||||
findIdx ((old, v) :: ps) n
|
||||
= if old == n then Just v else findIdx ps n
|
||||
tryUpdate ms (Ref fc nt n) = pure $ Ref fc nt n
|
||||
tryUpdate ms (Meta fc n i args) = pure $ Meta fc n i !(traverse (tryUpdate ms) args)
|
||||
tryUpdate ms (Bind fc x b sc)
|
||||
@ -154,7 +154,7 @@ mutual
|
||||
pure (Just (mapMaybe (dropP cargs cargs') ms))
|
||||
else pure Nothing
|
||||
where
|
||||
weakenP : {c, c', args, args' : _} ->
|
||||
weakenP : {0 c, c' : _} -> {0 args, args' : Scope} ->
|
||||
(Var args, Var args') ->
|
||||
(Var (c :: args), Var (c' :: args'))
|
||||
weakenP (v, vs) = (weaken v, weaken vs)
|
||||
@ -248,7 +248,7 @@ mutual
|
||||
List (Var vs, Var vs') ->
|
||||
Core Bool
|
||||
convertMatches [] = pure True
|
||||
convertMatches ((MkVar {i=ix} p, MkVar {i=iy} p') :: vs)
|
||||
convertMatches ((MkVar {varIdx = ix} p, MkVar {varIdx = iy} p') :: vs)
|
||||
= do let Just varg = getArgPos ix nargs
|
||||
| Nothing => pure False
|
||||
let Just varg' = getArgPos iy nargs'
|
||||
|
||||
@ -424,13 +424,13 @@ parameters (defs : Defs, topopts : EvalOpts)
|
||||
Stack free -> CaseTree args ->
|
||||
Core (CaseResult (TermWithEnv free))
|
||||
evalTree env loc opts fc stk (Case {name} idx x _ alts)
|
||||
= do xval <- evalLocal env fc Nothing idx (varExtend x) [] loc
|
||||
= do xval <- evalLocal env fc Nothing idx (embedIsVar x) [] loc
|
||||
-- we have not defined quote yet (it depends on eval itself) so we show the NF
|
||||
-- i.e. only the top-level constructor.
|
||||
logC "eval.casetree" 5 $ do
|
||||
xval <- toFullNames xval
|
||||
pure "Evaluated \{show name} to \{show xval}"
|
||||
let loc' = updateLocal opts env idx (varExtend x) loc xval
|
||||
let loc' = updateLocal opts env idx (embedIsVar x) loc xval
|
||||
findAlt env loc' opts fc stk xval alts
|
||||
evalTree env loc opts fc stk (STerm _ tm)
|
||||
= pure (Result $ MkTermEnv loc $ embed tm)
|
||||
|
||||
@ -107,7 +107,7 @@ mutual
|
||||
MkVar (Later isv')
|
||||
quoteHead q opts defs fc bounds env (NRef Bound (MN n i))
|
||||
= pure $ case findName bounds of
|
||||
Just (MkVar p) => Local fc Nothing _ (varExtend p)
|
||||
Just (MkVar p) => Local fc Nothing _ (embedIsVar p)
|
||||
Nothing => Ref fc Bound (MN n i)
|
||||
where
|
||||
findName : Bounds bound' -> Maybe (Var bound')
|
||||
@ -189,17 +189,17 @@ mutual
|
||||
quoteArgsWithFC q opts' empty bound env args
|
||||
else quoteArgsWithFC q ({ topLevel := False } opts')
|
||||
defs bound env args
|
||||
pure $ applyWithFC f' args'
|
||||
pure $ applyStackWithFC f' args'
|
||||
where
|
||||
isRef : NHead vars -> Bool
|
||||
isRef (NRef{}) = True
|
||||
isRef _ = False
|
||||
quoteGenNF q opts defs bound env (NDCon fc n t ar args)
|
||||
= do args' <- quoteArgsWithFC q opts defs bound env args
|
||||
pure $ applyWithFC (Ref fc (DataCon t ar) n) args'
|
||||
pure $ applyStackWithFC (Ref fc (DataCon t ar) n) args'
|
||||
quoteGenNF q opts defs bound env (NTCon fc n t ar args)
|
||||
= do args' <- quoteArgsWithFC q opts defs bound env args
|
||||
pure $ applyWithFC (Ref fc (TyCon t ar) n) args'
|
||||
pure $ applyStackWithFC (Ref fc (TyCon t ar) n) args'
|
||||
quoteGenNF q opts defs bound env (NAs fc s n pat)
|
||||
= do n' <- quoteGenNF q opts defs bound env n
|
||||
pat' <- quoteGenNF q opts defs bound env pat
|
||||
@ -225,9 +225,9 @@ mutual
|
||||
case arg of
|
||||
NDelay fc _ _ arg =>
|
||||
do argNF <- evalClosure defs arg
|
||||
pure $ applyWithFC !(quoteGenNF q opts defs bound env argNF) args'
|
||||
pure $ applyStackWithFC !(quoteGenNF q opts defs bound env argNF) args'
|
||||
_ => do arg' <- quoteGenNF q opts defs bound env arg
|
||||
pure $ applyWithFC (TForce fc r arg') args'
|
||||
pure $ applyStackWithFC (TForce fc r arg') args'
|
||||
quoteGenNF q opts defs bound env (NPrimVal fc c) = pure $ PrimVal fc c
|
||||
quoteGenNF q opts defs bound env (NErased fc t)
|
||||
= Erased fc <$> traverse @{%search} @{CORE} (\ nf => quoteGenNF q opts defs bound env nf) t
|
||||
|
||||
174
src/Core/Ord.idr
174
src/Core/Ord.idr
@ -6,171 +6,7 @@ import Core.Name
|
||||
import Core.TT
|
||||
import Data.Vect
|
||||
|
||||
infixl 5 `thenCmp`
|
||||
|
||||
thenCmp : Ordering -> Lazy Ordering -> Ordering
|
||||
thenCmp LT _ = LT
|
||||
thenCmp EQ o = o
|
||||
thenCmp GT _ = GT
|
||||
|
||||
export
|
||||
Ord PrimType where
|
||||
compare = compare `on` tag
|
||||
where
|
||||
tag : PrimType -> Int
|
||||
tag IntType = 1
|
||||
tag Int8Type = 2
|
||||
tag Int16Type = 3
|
||||
tag Int32Type = 4
|
||||
tag Int64Type = 5
|
||||
tag IntegerType = 6
|
||||
tag Bits8Type = 7
|
||||
tag Bits16Type = 8
|
||||
tag Bits32Type = 9
|
||||
tag Bits64Type = 10
|
||||
tag StringType = 11
|
||||
tag CharType = 12
|
||||
tag DoubleType = 13
|
||||
tag WorldType = 14
|
||||
|
||||
export
|
||||
Ord Constant where
|
||||
I x `compare` I y = compare x y
|
||||
I8 x `compare` I8 y = compare x y
|
||||
I16 x `compare` I16 y = compare x y
|
||||
I32 x `compare` I32 y = compare x y
|
||||
I64 x `compare` I64 y = compare x y
|
||||
BI x `compare` BI y = compare x y
|
||||
B8 x `compare` B8 y = compare x y
|
||||
B16 x `compare` B16 y = compare x y
|
||||
B32 x `compare` B32 y = compare x y
|
||||
B64 x `compare` B64 y = compare x y
|
||||
Str x `compare` Str y = compare x y
|
||||
Ch x `compare` Ch y = compare x y
|
||||
Db x `compare` Db y = compare x y
|
||||
PrT x `compare` PrT y = compare x y
|
||||
compare x y = compare (tag x) (tag y)
|
||||
where
|
||||
tag : Constant -> Int
|
||||
tag (I _) = 0
|
||||
tag (I8 _) = 1
|
||||
tag (I16 _) = 2
|
||||
tag (I32 _) = 3
|
||||
tag (I64 _) = 4
|
||||
tag (BI _) = 5
|
||||
tag (B8 _) = 6
|
||||
tag (B16 _) = 7
|
||||
tag (B32 _) = 8
|
||||
tag (B64 _) = 9
|
||||
tag (Str _) = 10
|
||||
tag (Ch _) = 11
|
||||
tag (Db _) = 12
|
||||
tag (PrT _) = 13
|
||||
tag WorldVal = 14
|
||||
|
||||
primFnEq : PrimFn a1 -> PrimFn a2 -> Maybe (a1 = a2)
|
||||
primFnEq (Add t1) (Add t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (Sub t1) (Sub t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (Mul t1) (Mul t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (Div t1) (Div t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (Mod t1) (Mod t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (Neg t1) (Neg t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (ShiftL t1) (ShiftL t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (ShiftR t1) (ShiftR t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (BAnd t1) (BAnd t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (BOr t1) (BOr t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (BXOr t1) (BXOr t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (LT t1) (LT t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (LTE t1) (LTE t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (EQ t1) (EQ t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (GTE t1) (GTE t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (GT t1) (GT t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq StrLength StrLength = Just Refl
|
||||
primFnEq StrHead StrHead = Just Refl
|
||||
primFnEq StrTail StrTail = Just Refl
|
||||
primFnEq StrIndex StrIndex = Just Refl
|
||||
primFnEq StrCons StrCons = Just Refl
|
||||
primFnEq StrAppend StrAppend = Just Refl
|
||||
primFnEq StrReverse StrReverse = Just Refl
|
||||
primFnEq StrSubstr StrSubstr = Just Refl
|
||||
primFnEq DoubleExp DoubleExp = Just Refl
|
||||
primFnEq DoubleLog DoubleLog = Just Refl
|
||||
primFnEq DoublePow DoublePow = Just Refl
|
||||
primFnEq DoubleSin DoubleSin = Just Refl
|
||||
primFnEq DoubleCos DoubleCos = Just Refl
|
||||
primFnEq DoubleTan DoubleTan = Just Refl
|
||||
primFnEq DoubleASin DoubleASin = Just Refl
|
||||
primFnEq DoubleACos DoubleACos = Just Refl
|
||||
primFnEq DoubleATan DoubleATan = Just Refl
|
||||
primFnEq DoubleSqrt DoubleSqrt = Just Refl
|
||||
primFnEq DoubleFloor DoubleFloor = Just Refl
|
||||
primFnEq DoubleCeiling DoubleCeiling = Just Refl
|
||||
primFnEq (Cast f1 t1) (Cast f2 t2) = if f1 == f2 && t1 == t2 then Just Refl else Nothing
|
||||
primFnEq BelieveMe BelieveMe = Just Refl
|
||||
primFnEq Crash Crash = Just Refl
|
||||
primFnEq _ _ = Nothing
|
||||
|
||||
primFnCmp : PrimFn a1 -> PrimFn a2 -> Ordering
|
||||
primFnCmp (Add t1) (Add t2) = compare t1 t2
|
||||
primFnCmp (Sub t1) (Sub t2) = compare t1 t2
|
||||
primFnCmp (Mul t1) (Mul t2) = compare t1 t2
|
||||
primFnCmp (Div t1) (Div t2) = compare t1 t2
|
||||
primFnCmp (Mod t1) (Mod t2) = compare t1 t2
|
||||
primFnCmp (Neg t1) (Neg t2) = compare t1 t2
|
||||
primFnCmp (ShiftL t1) (ShiftL t2) = compare t1 t2
|
||||
primFnCmp (ShiftR t1) (ShiftR t2) = compare t1 t2
|
||||
primFnCmp (BAnd t1) (BAnd t2) = compare t1 t2
|
||||
primFnCmp (BOr t1) (BOr t2) = compare t1 t2
|
||||
primFnCmp (BXOr t1) (BXOr t2) = compare t1 t2
|
||||
primFnCmp (LT t1) (LT t2) = compare t1 t2
|
||||
primFnCmp (LTE t1) (LTE t2) = compare t1 t2
|
||||
primFnCmp (EQ t1) (EQ t2) = compare t1 t2
|
||||
primFnCmp (GTE t1) (GTE t2) = compare t1 t2
|
||||
primFnCmp (GT t1) (GT t2) = compare t1 t2
|
||||
primFnCmp (Cast f1 t1) (Cast f2 t2) = compare f1 f2 `thenCmp` compare t1 t2
|
||||
primFnCmp f1 f2 = compare (tag f1) (tag f2)
|
||||
where
|
||||
tag : forall ar. PrimFn ar -> Int
|
||||
tag (Add _) = 0
|
||||
tag (Sub _) = 1
|
||||
tag (Mul _) = 2
|
||||
tag (Div _) = 3
|
||||
tag (Mod _) = 4
|
||||
tag (Neg _) = 5
|
||||
tag (ShiftL _) = 6
|
||||
tag (ShiftR _) = 7
|
||||
tag (BAnd _) = 8
|
||||
tag (BOr _) = 9
|
||||
tag (BXOr _) = 10
|
||||
tag (LT _) = 11
|
||||
tag (LTE _) = 12
|
||||
tag (EQ _) = 13
|
||||
tag (GTE _) = 14
|
||||
tag (GT _) = 15
|
||||
tag StrLength = 16
|
||||
tag StrHead = 17
|
||||
tag StrTail = 18
|
||||
tag StrIndex = 19
|
||||
tag StrCons = 20
|
||||
tag StrAppend = 21
|
||||
tag StrReverse = 22
|
||||
tag StrSubstr = 23
|
||||
tag DoubleExp = 24
|
||||
tag DoubleLog = 25
|
||||
tag DoublePow = 26
|
||||
tag DoubleSin = 27
|
||||
tag DoubleCos = 28
|
||||
tag DoubleTan = 29
|
||||
tag DoubleASin = 30
|
||||
tag DoubleACos = 31
|
||||
tag DoubleATan = 32
|
||||
tag DoubleSqrt = 33
|
||||
tag DoubleFloor = 34
|
||||
tag DoubleCeiling = 35
|
||||
tag (Cast _ _) = 36
|
||||
tag BelieveMe = 37
|
||||
tag Crash = 38
|
||||
|
||||
import Libraries.Data.Ordering.Extra
|
||||
|
||||
lrTag : LazyReason -> Int
|
||||
lrTag LInf = 0
|
||||
@ -181,14 +17,6 @@ export
|
||||
Ord LazyReason where
|
||||
compare l1 l2 = compare (lrTag l1) (lrTag l2)
|
||||
|
||||
export
|
||||
Eq (Var vars) where
|
||||
MkVar {i=i1} _ == MkVar {i=i2} _ = i1 == i2
|
||||
|
||||
export
|
||||
Ord (Var vars) where
|
||||
MkVar {i=i1} _ `compare` MkVar {i=i2} _ = compare i1 i2
|
||||
|
||||
mutual
|
||||
export
|
||||
covering
|
||||
|
||||
@ -76,7 +76,7 @@ mutual
|
||||
MkVar (Later isv')
|
||||
quoteHead q fc bounds env (SRef nt n)
|
||||
= pure $ case findName bounds of
|
||||
Just (MkVar p) => Local fc Nothing _ (varExtend p)
|
||||
Just (MkVar p) => Local fc Nothing _ (embedIsVar p)
|
||||
Nothing => Ref fc nt n
|
||||
where
|
||||
findName : Bounds bound' -> Maybe (Var bound')
|
||||
|
||||
1566
src/Core/TT.idr
1566
src/Core/TT.idr
File diff suppressed because it is too large
Load Diff
230
src/Core/TT/Binder.idr
Normal file
230
src/Core/TT/Binder.idr
Normal file
@ -0,0 +1,230 @@
|
||||
module Core.TT.Binder
|
||||
|
||||
import Algebra
|
||||
|
||||
import Core.FC
|
||||
|
||||
%default total
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Pi information classifies the kind of pi type this is
|
||||
|
||||
public export
|
||||
data PiInfo t =
|
||||
||| Implicit Pi types (e.g. {0 a : Type} -> ...)
|
||||
||| The argument is to be solved by unification
|
||||
Implicit |
|
||||
||| Explicit Pi types (e.g. (x : a) -> ...)
|
||||
||| The argument is to be passed explicitly
|
||||
Explicit |
|
||||
||| Auto Pi types (e.g. (fun : Functor f) => ...)
|
||||
||| The argument is to be solved by proof search
|
||||
AutoImplicit |
|
||||
||| Default Pi types (e.g. {default True flag : Bool} -> ...)
|
||||
||| The argument is set to the default value if nothing is
|
||||
||| passed explicitly
|
||||
DefImplicit t
|
||||
|
||||
%name PiInfo pinfo
|
||||
|
||||
namespace PiInfo
|
||||
|
||||
export
|
||||
isImplicit : PiInfo t -> Bool
|
||||
isImplicit Explicit = False
|
||||
isImplicit _ = True
|
||||
|
||||
||| Heterogeneous equality, provided an heterogeneous equality
|
||||
||| of default values
|
||||
export
|
||||
eqPiInfoBy : (t -> u -> Bool) -> PiInfo t -> PiInfo u -> Bool
|
||||
eqPiInfoBy eqT = go where
|
||||
|
||||
go : PiInfo t -> PiInfo u -> Bool
|
||||
go Implicit Implicit = True
|
||||
go Explicit Explicit = True
|
||||
go AutoImplicit AutoImplicit = True
|
||||
go (DefImplicit t) (DefImplicit t') = eqT t t'
|
||||
go _ _ = False
|
||||
|
||||
-- There's few places where we need the default - it's just when checking if
|
||||
-- there's a default during elaboration - so often it's easier just to erase it
|
||||
-- to a normal implicit
|
||||
export
|
||||
forgetDef : PiInfo t -> PiInfo t'
|
||||
forgetDef Explicit = Explicit
|
||||
forgetDef Implicit = Implicit
|
||||
forgetDef AutoImplicit = AutoImplicit
|
||||
forgetDef (DefImplicit t) = Implicit
|
||||
|
||||
export
|
||||
Show t => Show (PiInfo t) where
|
||||
show Implicit = "Implicit"
|
||||
show Explicit = "Explicit"
|
||||
show AutoImplicit = "AutoImplicit"
|
||||
show (DefImplicit t) = "DefImplicit " ++ show t
|
||||
|
||||
export
|
||||
Eq t => Eq (PiInfo t) where
|
||||
(==) = eqPiInfoBy (==)
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Different types of binders we may encounter
|
||||
|
||||
public export
|
||||
data Binder : Type -> Type where
|
||||
-- Lambda bound variables with their implicitness
|
||||
Lam : FC -> RigCount -> PiInfo type -> (ty : type) -> Binder type
|
||||
-- Let bound variables with their value
|
||||
Let : FC -> RigCount -> (val : type) -> (ty : type) -> Binder type
|
||||
-- Forall/pi bound variables with their implicitness
|
||||
Pi : FC -> RigCount -> PiInfo type -> (ty : type) -> Binder type
|
||||
-- pattern bound variables. The PiInfo gives the implicitness at the
|
||||
-- point it was bound (Explicit if it was explicitly named in the
|
||||
-- program)
|
||||
PVar : FC -> RigCount -> PiInfo type -> (ty : type) -> Binder type
|
||||
-- variable bound for an as pattern (Like a let, but no computational
|
||||
-- force, and only used on the lhs. Converted to a let on the rhs because
|
||||
-- we want the computational behaviour.)
|
||||
PLet : FC -> RigCount -> (val : type) -> (ty : type) -> Binder type
|
||||
-- the type of pattern bound variables
|
||||
PVTy : FC -> RigCount -> (ty : type) -> Binder type
|
||||
|
||||
%name Binder bd
|
||||
|
||||
export
|
||||
isLet : Binder t -> Bool
|
||||
isLet (Let _ _ _ _) = True
|
||||
isLet _ = False
|
||||
|
||||
export
|
||||
binderLoc : Binder tm -> FC
|
||||
binderLoc (Lam fc _ x ty) = fc
|
||||
binderLoc (Let fc _ val ty) = fc
|
||||
binderLoc (Pi fc _ x ty) = fc
|
||||
binderLoc (PVar fc _ p ty) = fc
|
||||
binderLoc (PLet fc _ val ty) = fc
|
||||
binderLoc (PVTy fc _ ty) = fc
|
||||
|
||||
export
|
||||
binderType : Binder tm -> tm
|
||||
binderType (Lam _ _ x ty) = ty
|
||||
binderType (Let _ _ val ty) = ty
|
||||
binderType (Pi _ _ x ty) = ty
|
||||
binderType (PVar _ _ _ ty) = ty
|
||||
binderType (PLet _ _ val ty) = ty
|
||||
binderType (PVTy _ _ ty) = ty
|
||||
|
||||
export
|
||||
multiplicity : Binder tm -> RigCount
|
||||
multiplicity (Lam _ c x ty) = c
|
||||
multiplicity (Let _ c val ty) = c
|
||||
multiplicity (Pi _ c x ty) = c
|
||||
multiplicity (PVar _ c p ty) = c
|
||||
multiplicity (PLet _ c val ty) = c
|
||||
multiplicity (PVTy _ c ty) = c
|
||||
|
||||
export
|
||||
piInfo : Binder tm -> PiInfo tm
|
||||
piInfo (Lam _ c x ty) = x
|
||||
piInfo (Let _ c val ty) = Explicit
|
||||
piInfo (Pi _ c x ty) = x
|
||||
piInfo (PVar _ c p ty) = p
|
||||
piInfo (PLet _ c val ty) = Explicit
|
||||
piInfo (PVTy _ c ty) = Explicit
|
||||
|
||||
export
|
||||
isImplicit : Binder tm -> Bool
|
||||
isImplicit = PiInfo.isImplicit . piInfo
|
||||
|
||||
export
|
||||
setMultiplicity : Binder tm -> RigCount -> Binder tm
|
||||
setMultiplicity (Lam fc _ x ty) c = Lam fc c x ty
|
||||
setMultiplicity (Let fc _ val ty) c = Let fc c val ty
|
||||
setMultiplicity (Pi fc _ x ty) c = Pi fc c x ty
|
||||
setMultiplicity (PVar fc _ p ty) c = PVar fc c p ty
|
||||
setMultiplicity (PLet fc _ val ty) c = PLet fc c val ty
|
||||
setMultiplicity (PVTy fc _ ty) c = PVTy fc c ty
|
||||
|
||||
Show ty => Show (Binder ty) where
|
||||
show (Lam _ c _ t) = "\\" ++ showCount c ++ show t
|
||||
show (Pi _ c _ t) = "Pi " ++ showCount c ++ show t
|
||||
show (Let _ c v t) = "let " ++ showCount c ++ show v ++ " : " ++ show t
|
||||
show (PVar _ c _ t) = "pat " ++ showCount c ++ show t
|
||||
show (PLet _ c v t) = "plet " ++ showCount c ++ show v ++ " : " ++ show t
|
||||
show (PVTy _ c t) = "pty " ++ showCount c ++ show t
|
||||
|
||||
export
|
||||
setType : Binder tm -> tm -> Binder tm
|
||||
setType (Lam fc c x _) ty = Lam fc c x ty
|
||||
setType (Let fc c val _) ty = Let fc c val ty
|
||||
setType (Pi fc c x _) ty = Pi fc c x ty
|
||||
setType (PVar fc c p _) ty = PVar fc c p ty
|
||||
setType (PLet fc c val _) ty = PLet fc c val ty
|
||||
setType (PVTy fc c _) ty = PVTy fc c ty
|
||||
|
||||
export
|
||||
Functor PiInfo where
|
||||
map func Explicit = Explicit
|
||||
map func Implicit = Implicit
|
||||
map func AutoImplicit = AutoImplicit
|
||||
map func (DefImplicit t) = (DefImplicit (func t))
|
||||
|
||||
export
|
||||
Foldable PiInfo where
|
||||
foldr f acc Implicit = acc
|
||||
foldr f acc Explicit = acc
|
||||
foldr f acc AutoImplicit = acc
|
||||
foldr f acc (DefImplicit x) = f x acc
|
||||
|
||||
export
|
||||
Traversable PiInfo where
|
||||
traverse f Implicit = pure Implicit
|
||||
traverse f Explicit = pure Explicit
|
||||
traverse f AutoImplicit = pure AutoImplicit
|
||||
traverse f (DefImplicit x) = map DefImplicit (f x)
|
||||
|
||||
export
|
||||
Functor Binder where
|
||||
map func (Lam fc c x ty) = Lam fc c (map func x) (func ty)
|
||||
map func (Let fc c val ty) = Let fc c (func val) (func ty)
|
||||
map func (Pi fc c x ty) = Pi fc c (map func x) (func ty)
|
||||
map func (PVar fc c p ty) = PVar fc c (map func p) (func ty)
|
||||
map func (PLet fc c val ty) = PLet fc c (func val) (func ty)
|
||||
map func (PVTy fc c ty) = PVTy fc c (func ty)
|
||||
|
||||
export
|
||||
Foldable Binder where
|
||||
foldr f acc (Lam fc c x ty) = foldr f (f ty acc) x
|
||||
foldr f acc (Let fc c val ty) = f val (f ty acc)
|
||||
foldr f acc (Pi fc c x ty) = foldr f (f ty acc) x
|
||||
foldr f acc (PVar fc c p ty) = foldr f (f ty acc) p
|
||||
foldr f acc (PLet fc c val ty) = f val (f ty acc)
|
||||
foldr f acc (PVTy fc c ty) = f ty acc
|
||||
|
||||
export
|
||||
Traversable Binder where
|
||||
traverse f (Lam fc c x ty) = Lam fc c <$> traverse f x <*> f ty
|
||||
traverse f (Let fc c val ty) = Let fc c <$> f val <*> f ty
|
||||
traverse f (Pi fc c x ty) = Pi fc c <$> traverse f x <*> f ty
|
||||
traverse f (PVar fc c p ty) = PVar fc c <$> traverse f p <*> f ty
|
||||
traverse f (PLet fc c val ty) = PLet fc c <$> f val <*> f ty
|
||||
traverse f (PVTy fc c ty) = PVTy fc c <$> f ty
|
||||
|
||||
|
||||
export
|
||||
eqBinderBy : (t -> u -> Bool) -> (Binder t -> Binder u -> Bool)
|
||||
eqBinderBy eqTU = go where
|
||||
|
||||
go : Binder t -> Binder u -> Bool
|
||||
go (Lam _ c p ty) (Lam _ c' p' ty') = c == c' && eqPiInfoBy eqTU p p' && eqTU ty ty'
|
||||
go (Let _ c v ty) (Let _ c' v' ty') = c == c' && eqTU v v' && eqTU ty ty'
|
||||
go (Pi _ c p ty) (Pi _ c' p' ty') = c == c' && eqPiInfoBy eqTU p p' && eqTU ty ty'
|
||||
go (PVar _ c p ty) (PVar _ c' p' ty') = c == c' && eqPiInfoBy eqTU p p' && eqTU ty ty'
|
||||
go (PLet _ c v ty) (PLet _ c' v' ty') = c == c' && eqTU v v' && eqTU ty ty'
|
||||
go (PVTy _ c ty) (PVTy _ c' ty') = c == c' && eqTU ty ty'
|
||||
go _ _ = False
|
||||
|
||||
export
|
||||
Eq a => Eq (Binder a) where
|
||||
(==) = eqBinderBy (==)
|
||||
592
src/Core/TT/Primitive.idr
Normal file
592
src/Core/TT/Primitive.idr
Normal file
@ -0,0 +1,592 @@
|
||||
module Core.TT.Primitive
|
||||
|
||||
import Core.Name
|
||||
|
||||
import Data.String
|
||||
import Data.Vect
|
||||
|
||||
import Decidable.Equality
|
||||
|
||||
import Idris.Pretty.Annotations
|
||||
|
||||
import Libraries.Data.Ordering.Extra
|
||||
import Libraries.Data.Primitives
|
||||
import Libraries.Data.String.Extra -- compatibility
|
||||
import Libraries.Text.PrettyPrint.Prettyprinter
|
||||
|
||||
%default total
|
||||
|
||||
public export
|
||||
data PrimType
|
||||
= IntType
|
||||
| Int8Type
|
||||
| Int16Type
|
||||
| Int32Type
|
||||
| Int64Type
|
||||
| IntegerType
|
||||
| Bits8Type
|
||||
| Bits16Type
|
||||
| Bits32Type
|
||||
| Bits64Type
|
||||
| StringType
|
||||
| CharType
|
||||
| DoubleType
|
||||
| WorldType
|
||||
|
||||
%name PrimType pty
|
||||
|
||||
public export
|
||||
data Constant
|
||||
= I Int
|
||||
| I8 Int8
|
||||
| I16 Int16
|
||||
| I32 Int32
|
||||
| I64 Int64
|
||||
| BI Integer
|
||||
| B8 Bits8
|
||||
| B16 Bits16
|
||||
| B32 Bits32
|
||||
| B64 Bits64
|
||||
| Str String
|
||||
| Ch Char
|
||||
| Db Double
|
||||
| PrT PrimType
|
||||
| WorldVal
|
||||
|
||||
%name Constant cst
|
||||
|
||||
export
|
||||
isConstantType : Name -> Maybe PrimType
|
||||
isConstantType (UN (Basic n)) = case n of
|
||||
"Int" => Just IntType
|
||||
"Int8" => Just Int8Type
|
||||
"Int16" => Just Int16Type
|
||||
"Int32" => Just Int32Type
|
||||
"Int64" => Just Int64Type
|
||||
"Integer" => Just IntegerType
|
||||
"Bits8" => Just Bits8Type
|
||||
"Bits16" => Just Bits16Type
|
||||
"Bits32" => Just Bits32Type
|
||||
"Bits64" => Just Bits64Type
|
||||
"String" => Just StringType
|
||||
"Char" => Just CharType
|
||||
"Double" => Just DoubleType
|
||||
"%World" => Just WorldType
|
||||
_ => Nothing
|
||||
isConstantType _ = Nothing
|
||||
|
||||
export
|
||||
isPrimType : Constant -> Bool
|
||||
isPrimType (PrT _) = True
|
||||
isPrimType _ = False
|
||||
|
||||
export
|
||||
primTypeEq : (x, y : PrimType) -> Maybe (x = y)
|
||||
primTypeEq IntType IntType = Just Refl
|
||||
primTypeEq Int8Type Int8Type = Just Refl
|
||||
primTypeEq Int16Type Int16Type = Just Refl
|
||||
primTypeEq Int32Type Int32Type = Just Refl
|
||||
primTypeEq Int64Type Int64Type = Just Refl
|
||||
primTypeEq IntegerType IntegerType = Just Refl
|
||||
primTypeEq StringType StringType = Just Refl
|
||||
primTypeEq CharType CharType = Just Refl
|
||||
primTypeEq DoubleType DoubleType = Just Refl
|
||||
primTypeEq WorldType WorldType = Just Refl
|
||||
primTypeEq _ _ = Nothing
|
||||
|
||||
-- TODO : The `TempXY` instances can be removed after the next release
|
||||
-- (see also `Libraries.Data.Primitives`)
|
||||
export
|
||||
constantEq : (x, y : Constant) -> Maybe (x = y)
|
||||
constantEq (I x) (I y) = case decEq x y of
|
||||
Yes Refl => Just Refl
|
||||
No contra => Nothing
|
||||
constantEq (I8 x) (I8 y) = case decEq @{TempI8} x y of
|
||||
Yes Refl => Just Refl
|
||||
No contra => Nothing
|
||||
constantEq (I16 x) (I16 y) = case decEq @{TempI16} x y of
|
||||
Yes Refl => Just Refl
|
||||
No contra => Nothing
|
||||
constantEq (I32 x) (I32 y) = case decEq @{TempI32} x y of
|
||||
Yes Refl => Just Refl
|
||||
No contra => Nothing
|
||||
constantEq (I64 x) (I64 y) = case decEq @{TempI64} x y of
|
||||
Yes Refl => Just Refl
|
||||
No contra => Nothing
|
||||
constantEq (B8 x) (B8 y) = case decEq @{TempB8} x y of
|
||||
Yes Refl => Just Refl
|
||||
No contra => Nothing
|
||||
constantEq (B16 x) (B16 y) = case decEq @{TempB16} x y of
|
||||
Yes Refl => Just Refl
|
||||
No contra => Nothing
|
||||
constantEq (B32 x) (B32 y) = case decEq @{TempB32} x y of
|
||||
Yes Refl => Just Refl
|
||||
No contra => Nothing
|
||||
constantEq (B64 x) (B64 y) = case decEq @{TempB64} x y of
|
||||
Yes Refl => Just Refl
|
||||
No contra => Nothing
|
||||
constantEq (BI x) (BI y) = case decEq x y of
|
||||
Yes Refl => Just Refl
|
||||
No contra => Nothing
|
||||
constantEq (Str x) (Str y) = case decEq x y of
|
||||
Yes Refl => Just Refl
|
||||
No contra => Nothing
|
||||
constantEq (Ch x) (Ch y) = case decEq x y of
|
||||
Yes Refl => Just Refl
|
||||
No contra => Nothing
|
||||
constantEq (Db x) (Db y) = Nothing -- no DecEq for Doubles!
|
||||
constantEq (PrT x) (PrT y) = (\xy => cong PrT xy) <$> primTypeEq x y
|
||||
constantEq WorldVal WorldVal = Just Refl
|
||||
|
||||
constantEq _ _ = Nothing
|
||||
|
||||
export
|
||||
Show PrimType where
|
||||
show IntType = "Int"
|
||||
show Int8Type = "Int8"
|
||||
show Int16Type = "Int16"
|
||||
show Int32Type = "Int32"
|
||||
show Int64Type = "Int64"
|
||||
show IntegerType = "Integer"
|
||||
show Bits8Type = "Bits8"
|
||||
show Bits16Type = "Bits16"
|
||||
show Bits32Type = "Bits32"
|
||||
show Bits64Type = "Bits64"
|
||||
show StringType = "String"
|
||||
show CharType = "Char"
|
||||
show DoubleType = "Double"
|
||||
show WorldType = "%World"
|
||||
|
||||
export
|
||||
Show Constant where
|
||||
show (I x) = show x
|
||||
show (I8 x) = show x
|
||||
show (I16 x) = show x
|
||||
show (I32 x) = show x
|
||||
show (I64 x) = show x
|
||||
show (BI x) = show x
|
||||
show (B8 x) = show x
|
||||
show (B16 x) = show x
|
||||
show (B32 x) = show x
|
||||
show (B64 x) = show x
|
||||
show (Str x) = show x
|
||||
show (Ch x) = show x
|
||||
show (Db x) = show x
|
||||
show (PrT x) = show x
|
||||
show WorldVal = "%MkWorld"
|
||||
|
||||
Pretty IdrisSyntax PrimType where
|
||||
pretty c = annotate (TCon Nothing) $ case c of
|
||||
IntType => "Int"
|
||||
Int8Type => "Int8"
|
||||
Int16Type => "Int16"
|
||||
Int32Type => "Int32"
|
||||
Int64Type => "Int64"
|
||||
IntegerType => "Integer"
|
||||
Bits8Type => "Bits8"
|
||||
Bits16Type => "Bits16"
|
||||
Bits32Type => "Bits32"
|
||||
Bits64Type => "Bits64"
|
||||
StringType => "String"
|
||||
CharType => "Char"
|
||||
DoubleType => "Double"
|
||||
WorldType => "%World"
|
||||
|
||||
export
|
||||
Pretty IdrisSyntax Constant where
|
||||
pretty (PrT x) = pretty x
|
||||
pretty v = annotate (DCon Nothing) $ pretty0 $ show v
|
||||
|
||||
|
||||
export
|
||||
Eq PrimType where
|
||||
IntType == IntType = True
|
||||
Int8Type == Int8Type = True
|
||||
Int16Type == Int16Type = True
|
||||
Int32Type == Int32Type = True
|
||||
Int64Type == Int64Type = True
|
||||
IntegerType == IntegerType = True
|
||||
Bits8Type == Bits8Type = True
|
||||
Bits16Type == Bits16Type = True
|
||||
Bits32Type == Bits32Type = True
|
||||
Bits64Type == Bits64Type = True
|
||||
StringType == StringType = True
|
||||
CharType == CharType = True
|
||||
DoubleType == DoubleType = True
|
||||
WorldType == WorldType = True
|
||||
_ == _ = False
|
||||
|
||||
export
|
||||
Eq Constant where
|
||||
(I x) == (I y) = x == y
|
||||
(I8 x) == (I8 y) = x == y
|
||||
(I16 x) == (I16 y) = x == y
|
||||
(I32 x) == (I32 y) = x == y
|
||||
(I64 x) == (I64 y) = x == y
|
||||
(BI x) == (BI y) = x == y
|
||||
(B8 x) == (B8 y) = x == y
|
||||
(B16 x) == (B16 y) = x == y
|
||||
(B32 x) == (B32 y) = x == y
|
||||
(B64 x) == (B64 y) = x == y
|
||||
(Str x) == (Str y) = x == y
|
||||
(Ch x) == (Ch y) = x == y
|
||||
(Db x) == (Db y) = x == y
|
||||
(PrT x) == (PrT y) = x == y
|
||||
WorldVal == WorldVal = True
|
||||
_ == _ = False
|
||||
|
||||
export
|
||||
Ord PrimType where
|
||||
compare = compare `on` tag
|
||||
where
|
||||
tag : PrimType -> Int
|
||||
tag IntType = 1
|
||||
tag Int8Type = 2
|
||||
tag Int16Type = 3
|
||||
tag Int32Type = 4
|
||||
tag Int64Type = 5
|
||||
tag IntegerType = 6
|
||||
tag Bits8Type = 7
|
||||
tag Bits16Type = 8
|
||||
tag Bits32Type = 9
|
||||
tag Bits64Type = 10
|
||||
tag StringType = 11
|
||||
tag CharType = 12
|
||||
tag DoubleType = 13
|
||||
tag WorldType = 14
|
||||
|
||||
export
|
||||
Ord Constant where
|
||||
I x `compare` I y = compare x y
|
||||
I8 x `compare` I8 y = compare x y
|
||||
I16 x `compare` I16 y = compare x y
|
||||
I32 x `compare` I32 y = compare x y
|
||||
I64 x `compare` I64 y = compare x y
|
||||
BI x `compare` BI y = compare x y
|
||||
B8 x `compare` B8 y = compare x y
|
||||
B16 x `compare` B16 y = compare x y
|
||||
B32 x `compare` B32 y = compare x y
|
||||
B64 x `compare` B64 y = compare x y
|
||||
Str x `compare` Str y = compare x y
|
||||
Ch x `compare` Ch y = compare x y
|
||||
Db x `compare` Db y = compare x y
|
||||
PrT x `compare` PrT y = compare x y
|
||||
compare x y = compare (tag x) (tag y)
|
||||
where
|
||||
tag : Constant -> Int
|
||||
tag (I _) = 0
|
||||
tag (I8 _) = 1
|
||||
tag (I16 _) = 2
|
||||
tag (I32 _) = 3
|
||||
tag (I64 _) = 4
|
||||
tag (BI _) = 5
|
||||
tag (B8 _) = 6
|
||||
tag (B16 _) = 7
|
||||
tag (B32 _) = 8
|
||||
tag (B64 _) = 9
|
||||
tag (Str _) = 10
|
||||
tag (Ch _) = 11
|
||||
tag (Db _) = 12
|
||||
tag (PrT _) = 13
|
||||
tag WorldVal = 14
|
||||
|
||||
-- for typecase
|
||||
export
|
||||
primTypeTag : PrimType -> Int
|
||||
-- 1 = ->, 2 = Type
|
||||
primTypeTag IntType = 3
|
||||
primTypeTag IntegerType = 4
|
||||
primTypeTag Bits8Type = 5
|
||||
primTypeTag Bits16Type = 6
|
||||
primTypeTag Bits32Type = 7
|
||||
primTypeTag Bits64Type = 8
|
||||
primTypeTag StringType = 9
|
||||
primTypeTag CharType = 10
|
||||
primTypeTag DoubleType = 11
|
||||
primTypeTag WorldType = 12
|
||||
primTypeTag Int8Type = 13
|
||||
primTypeTag Int16Type = 14
|
||||
primTypeTag Int32Type = 15
|
||||
primTypeTag Int64Type = 16
|
||||
|
||||
||| Precision of integral types.
|
||||
public export
|
||||
data Precision = P Int | Unlimited
|
||||
|
||||
%name Precision prec
|
||||
|
||||
export
|
||||
Eq Precision where
|
||||
(P m) == (P n) = m == n
|
||||
Unlimited == Unlimited = True
|
||||
_ == _ = False
|
||||
|
||||
export
|
||||
Ord Precision where
|
||||
compare (P m) (P n) = compare m n
|
||||
compare Unlimited Unlimited = EQ
|
||||
compare Unlimited _ = GT
|
||||
compare _ Unlimited = LT
|
||||
|
||||
-- so far, we only support limited precision
|
||||
-- unsigned integers
|
||||
public export
|
||||
data IntKind = Signed Precision | Unsigned Int
|
||||
|
||||
public export
|
||||
intKind : PrimType -> Maybe IntKind
|
||||
intKind IntegerType = Just $ Signed Unlimited
|
||||
intKind Int8Type = Just . Signed $ P 8
|
||||
intKind Int16Type = Just . Signed $ P 16
|
||||
intKind Int32Type = Just . Signed $ P 32
|
||||
intKind Int64Type = Just . Signed $ P 64
|
||||
intKind IntType = Just . Signed $ P 64
|
||||
intKind Bits8Type = Just $ Unsigned 8
|
||||
intKind Bits16Type = Just $ Unsigned 16
|
||||
intKind Bits32Type = Just $ Unsigned 32
|
||||
intKind Bits64Type = Just $ Unsigned 64
|
||||
intKind _ = Nothing
|
||||
|
||||
public export
|
||||
precision : IntKind -> Precision
|
||||
precision (Signed p) = p
|
||||
precision (Unsigned p) = P p
|
||||
|
||||
-- All the internal operators, parameterised by their arity
|
||||
public export
|
||||
data PrimFn : Nat -> Type where
|
||||
Add : (ty : PrimType) -> PrimFn 2
|
||||
Sub : (ty : PrimType) -> PrimFn 2
|
||||
Mul : (ty : PrimType) -> PrimFn 2
|
||||
Div : (ty : PrimType) -> PrimFn 2
|
||||
Mod : (ty : PrimType) -> PrimFn 2
|
||||
Neg : (ty : PrimType) -> PrimFn 1
|
||||
ShiftL : (ty : PrimType) -> PrimFn 2
|
||||
ShiftR : (ty : PrimType) -> PrimFn 2
|
||||
|
||||
BAnd : (ty : PrimType) -> PrimFn 2
|
||||
BOr : (ty : PrimType) -> PrimFn 2
|
||||
BXOr : (ty : PrimType) -> PrimFn 2
|
||||
|
||||
LT : (ty : PrimType) -> PrimFn 2
|
||||
LTE : (ty : PrimType) -> PrimFn 2
|
||||
EQ : (ty : PrimType) -> PrimFn 2
|
||||
GTE : (ty : PrimType) -> PrimFn 2
|
||||
GT : (ty : PrimType) -> PrimFn 2
|
||||
|
||||
StrLength : PrimFn 1
|
||||
StrHead : PrimFn 1
|
||||
StrTail : PrimFn 1
|
||||
StrIndex : PrimFn 2
|
||||
StrCons : PrimFn 2
|
||||
StrAppend : PrimFn 2
|
||||
StrReverse : PrimFn 1
|
||||
StrSubstr : PrimFn 3
|
||||
|
||||
DoubleExp : PrimFn 1
|
||||
DoubleLog : PrimFn 1
|
||||
DoublePow : PrimFn 2
|
||||
DoubleSin : PrimFn 1
|
||||
DoubleCos : PrimFn 1
|
||||
DoubleTan : PrimFn 1
|
||||
DoubleASin : PrimFn 1
|
||||
DoubleACos : PrimFn 1
|
||||
DoubleATan : PrimFn 1
|
||||
DoubleSqrt : PrimFn 1
|
||||
DoubleFloor : PrimFn 1
|
||||
DoubleCeiling : PrimFn 1
|
||||
|
||||
Cast : PrimType -> PrimType -> PrimFn 1
|
||||
BelieveMe : PrimFn 3
|
||||
Crash : PrimFn 2
|
||||
|
||||
%name PrimFn f
|
||||
|
||||
export
|
||||
Show (PrimFn arity) where
|
||||
show (Add ty) = "+" ++ show ty
|
||||
show (Sub ty) = "-" ++ show ty
|
||||
show (Mul ty) = "*" ++ show ty
|
||||
show (Div ty) = "/" ++ show ty
|
||||
show (Mod ty) = "%" ++ show ty
|
||||
show (Neg ty) = "neg " ++ show ty
|
||||
show (ShiftL ty) = "shl " ++ show ty
|
||||
show (ShiftR ty) = "shr " ++ show ty
|
||||
show (BAnd ty) = "and " ++ show ty
|
||||
show (BOr ty) = "or " ++ show ty
|
||||
show (BXOr ty) = "xor " ++ show ty
|
||||
show (LT ty) = "<" ++ show ty
|
||||
show (LTE ty) = "<=" ++ show ty
|
||||
show (EQ ty) = "==" ++ show ty
|
||||
show (GTE ty) = ">=" ++ show ty
|
||||
show (GT ty) = ">" ++ show ty
|
||||
show StrLength = "op_strlen"
|
||||
show StrHead = "op_strhead"
|
||||
show StrTail = "op_strtail"
|
||||
show StrIndex = "op_strindex"
|
||||
show StrCons = "op_strcons"
|
||||
show StrAppend = "++"
|
||||
show StrReverse = "op_strrev"
|
||||
show StrSubstr = "op_strsubstr"
|
||||
show DoubleExp = "op_doubleExp"
|
||||
show DoubleLog = "op_doubleLog"
|
||||
show DoublePow = "op_doublePow"
|
||||
show DoubleSin = "op_doubleSin"
|
||||
show DoubleCos = "op_doubleCos"
|
||||
show DoubleTan = "op_doubleTan"
|
||||
show DoubleASin = "op_doubleASin"
|
||||
show DoubleACos = "op_doubleACos"
|
||||
show DoubleATan = "op_doubleATan"
|
||||
show DoubleSqrt = "op_doubleSqrt"
|
||||
show DoubleFloor = "op_doubleFloor"
|
||||
show DoubleCeiling = "op_doubleCeiling"
|
||||
show (Cast x y) = "cast-" ++ show x ++ "-" ++ show y
|
||||
show BelieveMe = "believe_me"
|
||||
show Crash = "crash"
|
||||
|
||||
export
|
||||
prettyOp : PrimFn arity -> Vect arity (Doc IdrisSyntax) -> Doc IdrisSyntax
|
||||
prettyOp op@(Add ty) [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "+" <++> v2
|
||||
prettyOp op@(Sub ty) [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "-" <++> v2
|
||||
prettyOp op@(Mul ty) [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "*" <++> v2
|
||||
prettyOp op@(Div ty) [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "`div`" <++> v2
|
||||
prettyOp op@(Mod ty) [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "`mod`" <++> v2
|
||||
prettyOp op@(Neg ty) [v] = annotate (Fun $ UN $ Basic $ show op) "-" <++> v
|
||||
prettyOp op@(ShiftL ty) [v1,v2] = annotate (Fun $ UN $ Basic $ show op) "shiftl" <++> v1 <++> v2
|
||||
prettyOp op@(ShiftR ty) [v1,v2] = annotate (Fun $ UN $ Basic $ show op) "shiftr" <++> v1 <++> v2
|
||||
prettyOp op@(BAnd ty) [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "&&" <++> v2
|
||||
prettyOp op@(BOr ty) [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "||" <++> v2
|
||||
prettyOp op@(BXOr ty) [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "`xor`" <++> v2
|
||||
prettyOp op@(LT ty) [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "<" <++> v2
|
||||
prettyOp op@(LTE ty) [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "<=" <++> v2
|
||||
prettyOp op@(EQ ty) [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "==" <++> v2
|
||||
prettyOp op@(GTE ty) [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) ">=" <++> v2
|
||||
prettyOp op@(GT ty) [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) ">" <++> v2
|
||||
prettyOp op@StrLength [v] = annotate (Fun $ UN $ Basic $ show op) "length" <++> v
|
||||
prettyOp op@StrHead [v] = annotate (Fun $ UN $ Basic $ show op) "head" <++> v
|
||||
prettyOp op@StrTail [v] = annotate (Fun $ UN $ Basic $ show op) "tail" <++> v
|
||||
prettyOp op@StrIndex [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "[" <+> v2 <+> annotate (Fun $ UN $ Basic $ show op) "]"
|
||||
prettyOp op@StrCons [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "::" <++> v2
|
||||
prettyOp op@StrAppend [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "++" <++> v2
|
||||
prettyOp op@StrReverse [v] = annotate (Fun $ UN $ Basic $ show op) "reverse" <++> v
|
||||
prettyOp op@StrSubstr [v1,v2,v3] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "[" <+> v2 <+> annotate (Fun $ UN $ Basic $ show op) "," <++> v3 <+> annotate (Fun $ UN $ Basic $ show op) "]"
|
||||
prettyOp op@DoubleExp [v] = annotate (Fun $ UN $ Basic $ show op) "exp" <++> v
|
||||
prettyOp op@DoubleLog [v] = annotate (Fun $ UN $ Basic $ show op) "log" <++> v
|
||||
prettyOp op@DoublePow [v1,v2] = v1 <++> annotate (Fun $ UN $ Basic $ show op) "`pow`" <++> v2
|
||||
prettyOp op@DoubleSin [v] = annotate (Fun $ UN $ Basic $ show op) "sin" <++> v
|
||||
prettyOp op@DoubleCos [v] = annotate (Fun $ UN $ Basic $ show op) "cos" <++> v
|
||||
prettyOp op@DoubleTan [v] = annotate (Fun $ UN $ Basic $ show op) "tan" <++> v
|
||||
prettyOp op@DoubleASin [v] = annotate (Fun $ UN $ Basic $ show op) "asin" <++> v
|
||||
prettyOp op@DoubleACos [v] = annotate (Fun $ UN $ Basic $ show op) "acos" <++> v
|
||||
prettyOp op@DoubleATan [v] = annotate (Fun $ UN $ Basic $ show op) "atan" <++> v
|
||||
prettyOp op@DoubleSqrt [v] = annotate (Fun $ UN $ Basic $ show op) "sqrt" <++> v
|
||||
prettyOp op@DoubleFloor [v] = annotate (Fun $ UN $ Basic $ show op) "floor" <++> v
|
||||
prettyOp op@DoubleCeiling [v] = annotate (Fun $ UN $ Basic $ show op) "ceiling" <++> v
|
||||
prettyOp op@(Cast x y) [v] = annotate (Fun $ UN $ Basic $ show op) "[" <+> pretty x <++> annotate (Fun $ UN $ Basic $ show op) "->" <++> pretty y <+> annotate (Fun $ UN $ Basic $ show op) "]" <++> v
|
||||
prettyOp op@BelieveMe [v1,v2,v3] = annotate (Fun $ UN $ Basic $ show op) "believe_me" <++> v1 <++> v2 <++> v3
|
||||
prettyOp op@Crash [v1,v2] = annotate (Fun $ UN $ Basic $ show op) "crash" <++> v1 <++> v2
|
||||
|
||||
export
|
||||
primFnEq : PrimFn a1 -> PrimFn a2 -> Maybe (a1 = a2)
|
||||
primFnEq (Add t1) (Add t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (Sub t1) (Sub t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (Mul t1) (Mul t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (Div t1) (Div t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (Mod t1) (Mod t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (Neg t1) (Neg t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (ShiftL t1) (ShiftL t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (ShiftR t1) (ShiftR t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (BAnd t1) (BAnd t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (BOr t1) (BOr t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (BXOr t1) (BXOr t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (LT t1) (LT t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (LTE t1) (LTE t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (EQ t1) (EQ t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (GTE t1) (GTE t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq (GT t1) (GT t2) = if t1 == t2 then Just Refl else Nothing
|
||||
primFnEq StrLength StrLength = Just Refl
|
||||
primFnEq StrHead StrHead = Just Refl
|
||||
primFnEq StrTail StrTail = Just Refl
|
||||
primFnEq StrIndex StrIndex = Just Refl
|
||||
primFnEq StrCons StrCons = Just Refl
|
||||
primFnEq StrAppend StrAppend = Just Refl
|
||||
primFnEq StrReverse StrReverse = Just Refl
|
||||
primFnEq StrSubstr StrSubstr = Just Refl
|
||||
primFnEq DoubleExp DoubleExp = Just Refl
|
||||
primFnEq DoubleLog DoubleLog = Just Refl
|
||||
primFnEq DoublePow DoublePow = Just Refl
|
||||
primFnEq DoubleSin DoubleSin = Just Refl
|
||||
primFnEq DoubleCos DoubleCos = Just Refl
|
||||
primFnEq DoubleTan DoubleTan = Just Refl
|
||||
primFnEq DoubleASin DoubleASin = Just Refl
|
||||
primFnEq DoubleACos DoubleACos = Just Refl
|
||||
primFnEq DoubleATan DoubleATan = Just Refl
|
||||
primFnEq DoubleSqrt DoubleSqrt = Just Refl
|
||||
primFnEq DoubleFloor DoubleFloor = Just Refl
|
||||
primFnEq DoubleCeiling DoubleCeiling = Just Refl
|
||||
primFnEq (Cast f1 t1) (Cast f2 t2) = if f1 == f2 && t1 == t2 then Just Refl else Nothing
|
||||
primFnEq BelieveMe BelieveMe = Just Refl
|
||||
primFnEq Crash Crash = Just Refl
|
||||
primFnEq _ _ = Nothing
|
||||
|
||||
export
|
||||
primFnCmp : PrimFn a1 -> PrimFn a2 -> Ordering
|
||||
primFnCmp (Add t1) (Add t2) = compare t1 t2
|
||||
primFnCmp (Sub t1) (Sub t2) = compare t1 t2
|
||||
primFnCmp (Mul t1) (Mul t2) = compare t1 t2
|
||||
primFnCmp (Div t1) (Div t2) = compare t1 t2
|
||||
primFnCmp (Mod t1) (Mod t2) = compare t1 t2
|
||||
primFnCmp (Neg t1) (Neg t2) = compare t1 t2
|
||||
primFnCmp (ShiftL t1) (ShiftL t2) = compare t1 t2
|
||||
primFnCmp (ShiftR t1) (ShiftR t2) = compare t1 t2
|
||||
primFnCmp (BAnd t1) (BAnd t2) = compare t1 t2
|
||||
primFnCmp (BOr t1) (BOr t2) = compare t1 t2
|
||||
primFnCmp (BXOr t1) (BXOr t2) = compare t1 t2
|
||||
primFnCmp (LT t1) (LT t2) = compare t1 t2
|
||||
primFnCmp (LTE t1) (LTE t2) = compare t1 t2
|
||||
primFnCmp (EQ t1) (EQ t2) = compare t1 t2
|
||||
primFnCmp (GTE t1) (GTE t2) = compare t1 t2
|
||||
primFnCmp (GT t1) (GT t2) = compare t1 t2
|
||||
primFnCmp (Cast f1 t1) (Cast f2 t2) = compare f1 f2 `thenCmp` compare t1 t2
|
||||
primFnCmp f1 f2 = compare (tag f1) (tag f2)
|
||||
where
|
||||
tag : forall ar. PrimFn ar -> Int
|
||||
tag (Add _) = 0
|
||||
tag (Sub _) = 1
|
||||
tag (Mul _) = 2
|
||||
tag (Div _) = 3
|
||||
tag (Mod _) = 4
|
||||
tag (Neg _) = 5
|
||||
tag (ShiftL _) = 6
|
||||
tag (ShiftR _) = 7
|
||||
tag (BAnd _) = 8
|
||||
tag (BOr _) = 9
|
||||
tag (BXOr _) = 10
|
||||
tag (LT _) = 11
|
||||
tag (LTE _) = 12
|
||||
tag (EQ _) = 13
|
||||
tag (GTE _) = 14
|
||||
tag (GT _) = 15
|
||||
tag StrLength = 16
|
||||
tag StrHead = 17
|
||||
tag StrTail = 18
|
||||
tag StrIndex = 19
|
||||
tag StrCons = 20
|
||||
tag StrAppend = 21
|
||||
tag StrReverse = 22
|
||||
tag StrSubstr = 23
|
||||
tag DoubleExp = 24
|
||||
tag DoubleLog = 25
|
||||
tag DoublePow = 26
|
||||
tag DoubleSin = 27
|
||||
tag DoubleCos = 28
|
||||
tag DoubleTan = 29
|
||||
tag DoubleASin = 30
|
||||
tag DoubleACos = 31
|
||||
tag DoubleATan = 32
|
||||
tag DoubleSqrt = 33
|
||||
tag DoubleFloor = 34
|
||||
tag DoubleCeiling = 35
|
||||
tag (Cast _ _) = 36
|
||||
tag BelieveMe = 37
|
||||
tag Crash = 38
|
||||
52
src/Core/TT/Subst.idr
Normal file
52
src/Core/TT/Subst.idr
Normal file
@ -0,0 +1,52 @@
|
||||
module Core.TT.Subst
|
||||
|
||||
import Core.Name
|
||||
import Core.Name.Scoped
|
||||
import Core.TT.Var
|
||||
|
||||
%default total
|
||||
|
||||
public export
|
||||
data Subst : Scoped -> Scope -> Scoped where
|
||||
Nil : Subst tm [] vars
|
||||
(::) : tm vars -> Subst tm ds vars -> Subst tm (d :: ds) vars
|
||||
|
||||
namespace Var
|
||||
|
||||
export
|
||||
index : Subst tm ds vars -> Var ds -> tm vars
|
||||
index [] (MkVar p) impossible
|
||||
index (t :: _) (MkVar First) = t
|
||||
index (_ :: ts) (MkVar (Later p)) = index ts (MkVar p)
|
||||
|
||||
export
|
||||
findDrop :
|
||||
(Var vars -> tm vars) ->
|
||||
SizeOf dropped ->
|
||||
Var (dropped ++ vars) ->
|
||||
Subst tm dropped vars ->
|
||||
tm vars
|
||||
findDrop k s var sub = case locateVar s var of
|
||||
Left var => index sub var
|
||||
Right var => k var
|
||||
|
||||
export
|
||||
find : Weaken tm =>
|
||||
(forall vars. Var vars -> tm vars) ->
|
||||
SizeOf outer -> SizeOf dropped ->
|
||||
Var (outer ++ (dropped ++ vars)) ->
|
||||
Subst tm dropped vars ->
|
||||
tm (outer ++ vars)
|
||||
find k outer dropped var sub = case locateVar outer var of
|
||||
Left var => k (embed var)
|
||||
Right var => weakenNs outer (findDrop k dropped var sub)
|
||||
|
||||
public export
|
||||
0 Substitutable : Scoped -> Scoped -> Type
|
||||
Substitutable val tm
|
||||
= {0 outer, dropped, vars : Scope} ->
|
||||
SizeOf outer ->
|
||||
SizeOf dropped ->
|
||||
Subst val dropped vars ->
|
||||
tm (outer ++ (dropped ++ vars)) ->
|
||||
tm (outer ++ vars)
|
||||
558
src/Core/TT/Term.idr
Normal file
558
src/Core/TT/Term.idr
Normal file
@ -0,0 +1,558 @@
|
||||
module Core.TT.Term
|
||||
|
||||
import Algebra
|
||||
|
||||
import Core.FC
|
||||
|
||||
import Core.Name
|
||||
import Core.Name.Scoped
|
||||
import Core.TT.Binder
|
||||
import Core.TT.Primitive
|
||||
import Core.TT.Var
|
||||
|
||||
import Data.List
|
||||
|
||||
%default total
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Name types
|
||||
-- This information is cached in Refs (global variables) so as to avoid
|
||||
-- too many lookups
|
||||
|
||||
public export
|
||||
data NameType : Type where
|
||||
Bound : NameType
|
||||
Func : NameType
|
||||
DataCon : (tag : Int) -> (arity : Nat) -> NameType
|
||||
TyCon : (tag : Int) -> (arity : Nat) -> NameType
|
||||
|
||||
%name NameType nt
|
||||
|
||||
export
|
||||
covering
|
||||
Show NameType where
|
||||
showPrec d Bound = "Bound"
|
||||
showPrec d Func = "Func"
|
||||
showPrec d (DataCon tag ar) = showCon d "DataCon" $ showArg tag ++ showArg ar
|
||||
showPrec d (TyCon tag ar) = showCon d "TyCon" $ showArg tag ++ showArg ar
|
||||
|
||||
export
|
||||
isCon : NameType -> Maybe (Int, Nat)
|
||||
isCon (DataCon t a) = Just (t, a)
|
||||
isCon (TyCon t a) = Just (t, a)
|
||||
isCon _ = Nothing
|
||||
|
||||
-- Typechecked terms
|
||||
-- These are guaranteed to be well-scoped wrt local variables, because they are
|
||||
-- indexed by the names of local variables in scope
|
||||
public export
|
||||
data LazyReason = LInf | LLazy | LUnknown
|
||||
|
||||
%name LazyReason lz
|
||||
|
||||
-- For as patterns matching linear arguments, select which side is
|
||||
-- consumed
|
||||
public export
|
||||
data UseSide = UseLeft | UseRight
|
||||
|
||||
%name UseSide side
|
||||
|
||||
public export
|
||||
data WhyErased a
|
||||
= Placeholder
|
||||
| Impossible
|
||||
| Dotted a
|
||||
|
||||
export
|
||||
Show a => Show (WhyErased a) where
|
||||
show Placeholder = "placeholder"
|
||||
show Impossible = "impossible"
|
||||
show (Dotted x) = "dotted \{show x}"
|
||||
|
||||
%name WhyErased why
|
||||
|
||||
export
|
||||
Functor WhyErased where
|
||||
map f Placeholder = Placeholder
|
||||
map f Impossible = Impossible
|
||||
map f (Dotted x) = Dotted (f x)
|
||||
|
||||
export
|
||||
Foldable WhyErased where
|
||||
foldr c n (Dotted x) = c x n
|
||||
foldr c n _ = n
|
||||
|
||||
export
|
||||
Traversable WhyErased where
|
||||
traverse f Placeholder = pure Placeholder
|
||||
traverse f Impossible = pure Impossible
|
||||
traverse f (Dotted x) = Dotted <$> f x
|
||||
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Core Terms
|
||||
|
||||
public export
|
||||
data Term : Scoped where
|
||||
Local : FC -> (isLet : Maybe Bool) ->
|
||||
(idx : Nat) -> (0 p : IsVar name idx vars) -> Term vars
|
||||
Ref : FC -> NameType -> (name : Name) -> Term vars
|
||||
-- Metavariables and the scope they are applied to
|
||||
Meta : FC -> Name -> Int -> List (Term vars) -> Term vars
|
||||
Bind : FC -> (x : Name) ->
|
||||
(b : Binder (Term vars)) ->
|
||||
(scope : Term (x :: vars)) -> Term vars
|
||||
App : FC -> (fn : Term vars) -> (arg : Term vars) -> Term vars
|
||||
-- as patterns; since we check LHS patterns as terms before turning
|
||||
-- them into patterns, this helps us get it right. When normalising,
|
||||
-- we just reduce the inner term and ignore the 'as' part
|
||||
-- The 'as' part should really be a Name rather than a Term, but it's
|
||||
-- easier this way since it gives us the ability to work with unresolved
|
||||
-- names (Ref) and resolved names (Local) without having to define a
|
||||
-- special purpose thing. (But it'd be nice to tidy that up, nevertheless)
|
||||
As : FC -> UseSide -> (as : Term vars) -> (pat : Term vars) -> Term vars
|
||||
-- Typed laziness annotations
|
||||
TDelayed : FC -> LazyReason -> Term vars -> Term vars
|
||||
TDelay : FC -> LazyReason -> (ty : Term vars) -> (arg : Term vars) -> Term vars
|
||||
TForce : FC -> LazyReason -> Term vars -> Term vars
|
||||
PrimVal : FC -> (c : Constant) -> Term vars
|
||||
Erased : FC -> WhyErased (Term vars) -> -- True == impossible term, for coverage checker
|
||||
Term vars
|
||||
TType : FC -> Name -> -- universe variable
|
||||
Term vars
|
||||
|
||||
%name Term t, u
|
||||
|
||||
public export
|
||||
ClosedTerm : Type
|
||||
ClosedTerm = Term []
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Weakening
|
||||
|
||||
export covering
|
||||
insertNames : GenWeakenable Term
|
||||
insertNames out ns (Local fc r idx prf)
|
||||
= let MkNVar prf' = insertNVarNames out ns (MkNVar prf) in
|
||||
Local fc r _ prf'
|
||||
insertNames out ns (Ref fc nt name) = Ref fc nt name
|
||||
insertNames out ns (Meta fc name idx args)
|
||||
= Meta fc name idx (map (insertNames out ns) args)
|
||||
insertNames out ns (Bind fc x b scope)
|
||||
= Bind fc x (assert_total (map (insertNames out ns) b))
|
||||
(insertNames (suc out) ns scope)
|
||||
insertNames out ns (App fc fn arg)
|
||||
= App fc (insertNames out ns fn) (insertNames out ns arg)
|
||||
insertNames out ns (As fc s as tm)
|
||||
= As fc s (insertNames out ns as) (insertNames out ns tm)
|
||||
insertNames out ns (TDelayed fc r ty) = TDelayed fc r (insertNames out ns ty)
|
||||
insertNames out ns (TDelay fc r ty tm)
|
||||
= TDelay fc r (insertNames out ns ty) (insertNames out ns tm)
|
||||
insertNames out ns (TForce fc r tm) = TForce fc r (insertNames out ns tm)
|
||||
insertNames out ns (PrimVal fc c) = PrimVal fc c
|
||||
insertNames out ns (Erased fc Impossible) = Erased fc Impossible
|
||||
insertNames out ns (Erased fc Placeholder) = Erased fc Placeholder
|
||||
insertNames out ns (Erased fc (Dotted t)) = Erased fc (Dotted (insertNames out ns t))
|
||||
insertNames out ns (TType fc u) = TType fc u
|
||||
|
||||
export
|
||||
compatTerm : CompatibleVars xs ys -> Term xs -> Term ys
|
||||
compatTerm compat tm = believe_me tm -- no names in term, so it's identity
|
||||
-- This is how we would define it:
|
||||
-- compatTerm CompatPre tm = tm
|
||||
-- compatTerm prf (Local fc r idx vprf)
|
||||
-- = let MkVar vprf' = compatIsVar prf vprf in
|
||||
-- Local fc r _ vprf'
|
||||
-- compatTerm prf (Ref fc x name) = Ref fc x name
|
||||
-- compatTerm prf (Meta fc n i args)
|
||||
-- = Meta fc n i (map (compatTerm prf) args)
|
||||
-- compatTerm prf (Bind fc x b scope)
|
||||
-- = Bind fc x (map (compatTerm prf) b) (compatTerm (CompatExt prf) scope)
|
||||
-- compatTerm prf (App fc fn arg)
|
||||
-- = App fc (compatTerm prf fn) (compatTerm prf arg)
|
||||
-- compatTerm prf (As fc s as tm)
|
||||
-- = As fc s (compatTerm prf as) (compatTerm prf tm)
|
||||
-- compatTerm prf (TDelayed fc r ty) = TDelayed fc r (compatTerm prf ty)
|
||||
-- compatTerm prf (TDelay fc r ty tm)
|
||||
-- = TDelay fc r (compatTerm prf ty) (compatTerm prf tm)
|
||||
-- compatTerm prf (TForce fc r x) = TForce fc r (compatTerm prf x)
|
||||
-- compatTerm prf (PrimVal fc c) = PrimVal fc c
|
||||
-- compatTerm prf (Erased fc i) = Erased fc i
|
||||
-- compatTerm prf (TType fc) = TType fc
|
||||
|
||||
|
||||
mutual
|
||||
export
|
||||
shrinkPi : Shrinkable (PiInfo . Term)
|
||||
shrinkPi pinfo th
|
||||
= assert_total
|
||||
$ traverse (\ t => shrinkTerm t th) pinfo
|
||||
|
||||
export
|
||||
shrinkBinder : Shrinkable (Binder . Term)
|
||||
shrinkBinder binder th
|
||||
= assert_total
|
||||
$ traverse (\ t => shrinkTerm t th) binder
|
||||
|
||||
export
|
||||
shrinkTerms : Shrinkable (List . Term)
|
||||
shrinkTerms ts th
|
||||
= assert_total
|
||||
$ traverse (\ t => shrinkTerm t th) ts
|
||||
|
||||
shrinkTerm : Shrinkable Term
|
||||
shrinkTerm (Local fc r idx loc) prf
|
||||
= do MkVar loc' <- shrinkIsVar loc prf
|
||||
pure (Local fc r _ loc')
|
||||
shrinkTerm (Ref fc x name) prf = Just (Ref fc x name)
|
||||
shrinkTerm (Meta fc x y xs) prf
|
||||
= do Just (Meta fc x y !(shrinkTerms xs prf))
|
||||
shrinkTerm (Bind fc x b scope) prf
|
||||
= Just (Bind fc x !(shrinkBinder b prf) !(shrinkTerm scope (Keep prf)))
|
||||
shrinkTerm (App fc fn arg) prf
|
||||
= Just (App fc !(shrinkTerm fn prf) !(shrinkTerm arg prf))
|
||||
shrinkTerm (As fc s as tm) prf
|
||||
= Just (As fc s !(shrinkTerm as prf) !(shrinkTerm tm prf))
|
||||
shrinkTerm (TDelayed fc x y) prf
|
||||
= Just (TDelayed fc x !(shrinkTerm y prf))
|
||||
shrinkTerm (TDelay fc x t y) prf
|
||||
= Just (TDelay fc x !(shrinkTerm t prf) !(shrinkTerm y prf))
|
||||
shrinkTerm (TForce fc r x) prf
|
||||
= Just (TForce fc r !(shrinkTerm x prf))
|
||||
shrinkTerm (PrimVal fc c) prf = Just (PrimVal fc c)
|
||||
shrinkTerm (Erased fc Placeholder) prf = Just (Erased fc Placeholder)
|
||||
shrinkTerm (Erased fc Impossible) prf = Just (Erased fc Impossible)
|
||||
shrinkTerm (Erased fc (Dotted t)) prf = Erased fc . Dotted <$> shrinkTerm t prf
|
||||
shrinkTerm (TType fc u) prf = Just (TType fc u)
|
||||
|
||||
|
||||
mutual
|
||||
export
|
||||
thinPi : Thinnable (PiInfo . Term)
|
||||
thinPi pinfo th = assert_total $ map (\ t => thinTerm t th) pinfo
|
||||
|
||||
export
|
||||
thinBinder : Thinnable (Binder . Term)
|
||||
thinBinder binder th = assert_total $ map (\ t => thinTerm t th) binder
|
||||
|
||||
export
|
||||
thinTerms : Thinnable (List . Term)
|
||||
thinTerms ts th = assert_total $ map (\ t => thinTerm t th) ts
|
||||
|
||||
thinTerm : Thinnable Term
|
||||
thinTerm (Local fc x idx y) th
|
||||
= let MkVar y' = thinIsVar y th in Local fc x _ y'
|
||||
thinTerm (Ref fc x name) th = Ref fc x name
|
||||
thinTerm (Meta fc x y xs) th
|
||||
= Meta fc x y (thinTerms xs th)
|
||||
thinTerm (Bind fc x b scope) th
|
||||
= Bind fc x (thinBinder b th) (thinTerm scope (Keep th))
|
||||
thinTerm (App fc fn arg) th
|
||||
= App fc (thinTerm fn th) (thinTerm arg th)
|
||||
thinTerm (As fc s nm pat) th
|
||||
= As fc s (thinTerm nm th) (thinTerm pat th)
|
||||
thinTerm (TDelayed fc x y) th = TDelayed fc x (thinTerm y th)
|
||||
thinTerm (TDelay fc x t y) th
|
||||
= TDelay fc x (thinTerm t th) (thinTerm y th)
|
||||
thinTerm (TForce fc r x) th = TForce fc r (thinTerm x th)
|
||||
thinTerm (PrimVal fc c) th = PrimVal fc c
|
||||
thinTerm (Erased fc Impossible) th = Erased fc Impossible
|
||||
thinTerm (Erased fc Placeholder) th = Erased fc Placeholder
|
||||
thinTerm (Erased fc (Dotted t)) th = Erased fc (Dotted (thinTerm t th))
|
||||
thinTerm (TType fc u) th = TType fc u
|
||||
|
||||
export
|
||||
GenWeaken Term where
|
||||
genWeakenNs = assert_total $ insertNames
|
||||
|
||||
export
|
||||
%hint
|
||||
WeakenTerm : Weaken Term
|
||||
WeakenTerm = GenWeakenWeakens
|
||||
|
||||
export
|
||||
FreelyEmbeddable Term where
|
||||
|
||||
export
|
||||
IsScoped Term where
|
||||
shrink = shrinkTerm
|
||||
thin = thinTerm
|
||||
compatNs = compatTerm
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Smart constructors
|
||||
|
||||
export
|
||||
apply : FC -> Term vars -> List (Term vars) -> Term vars
|
||||
apply loc fn [] = fn
|
||||
apply loc fn (a :: args) = apply loc (App loc fn a) args
|
||||
|
||||
-- Creates a chain of `App` nodes, each with its own file context
|
||||
export
|
||||
applySpineWithFC : Term vars -> SnocList (FC, Term vars) -> Term vars
|
||||
applySpineWithFC fn [<] = fn
|
||||
applySpineWithFC fn (args :< (fc, arg)) = App fc (applySpineWithFC fn args) arg
|
||||
|
||||
-- Creates a chain of `App` nodes, each with its own file context
|
||||
export
|
||||
applyStackWithFC : Term vars -> List (FC, Term vars) -> Term vars
|
||||
applyStackWithFC fn [] = fn
|
||||
applyStackWithFC fn ((fc, arg) :: args) = applyStackWithFC (App fc fn arg) args
|
||||
|
||||
-- Build a simple function type
|
||||
export
|
||||
fnType : {vars : _} -> FC -> Term vars -> Term vars -> Term vars
|
||||
fnType fc arg scope = Bind emptyFC (MN "_" 0) (Pi fc top Explicit arg) (weaken scope)
|
||||
|
||||
export
|
||||
linFnType : {vars : _} -> FC -> Term vars -> Term vars -> Term vars
|
||||
linFnType fc arg scope = Bind emptyFC (MN "_" 0) (Pi fc linear Explicit arg) (weaken scope)
|
||||
|
||||
export
|
||||
getFnArgs : Term vars -> (Term vars, List (Term vars))
|
||||
getFnArgs tm = getFA [] tm
|
||||
where
|
||||
getFA : List (Term vars) -> Term vars ->
|
||||
(Term vars, List (Term vars))
|
||||
getFA args (App _ f a) = getFA (a :: args) f
|
||||
getFA args tm = (tm, args)
|
||||
|
||||
export
|
||||
getFn : Term vars -> Term vars
|
||||
getFn (App _ f a) = getFn f
|
||||
getFn tm = tm
|
||||
|
||||
export
|
||||
getArgs : Term vars -> (List (Term vars))
|
||||
getArgs = snd . getFnArgs
|
||||
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Namespace manipulations
|
||||
|
||||
-- Remove/restore the given namespace from all Refs. This is to allow
|
||||
-- writing terms and case trees to disk without repeating the same namespace
|
||||
-- all over the place.
|
||||
public export
|
||||
interface StripNamespace a where
|
||||
trimNS : Namespace -> a -> a
|
||||
restoreNS : Namespace -> a -> a
|
||||
|
||||
export
|
||||
StripNamespace Name where
|
||||
trimNS ns nm@(NS tns n)
|
||||
= if ns == tns then NS emptyNS n else nm
|
||||
-- ^ A blank namespace, rather than a UN, so we don't catch primitive
|
||||
-- names which are represented as UN.
|
||||
trimNS ns nm = nm
|
||||
|
||||
restoreNS ns nm@(NS tns n)
|
||||
= if isNil (unsafeUnfoldNamespace tns)
|
||||
then NS ns n
|
||||
else nm
|
||||
restoreNS ns nm = nm
|
||||
|
||||
export covering
|
||||
StripNamespace (Term vars) where
|
||||
trimNS ns (Ref fc x nm)
|
||||
= Ref fc x (trimNS ns nm)
|
||||
trimNS ns (Meta fc x y xs)
|
||||
= Meta fc x y (map (trimNS ns) xs)
|
||||
trimNS ns (Bind fc x b scope)
|
||||
= Bind fc x (map (trimNS ns) b) (trimNS ns scope)
|
||||
trimNS ns (App fc fn arg)
|
||||
= App fc (trimNS ns fn) (trimNS ns arg)
|
||||
trimNS ns (As fc s p tm)
|
||||
= As fc s (trimNS ns p) (trimNS ns tm)
|
||||
trimNS ns (TDelayed fc x y)
|
||||
= TDelayed fc x (trimNS ns y)
|
||||
trimNS ns (TDelay fc x t y)
|
||||
= TDelay fc x (trimNS ns t) (trimNS ns y)
|
||||
trimNS ns (TForce fc r y)
|
||||
= TForce fc r (trimNS ns y)
|
||||
trimNS ns tm = tm
|
||||
|
||||
restoreNS ns (Ref fc x nm)
|
||||
= Ref fc x (restoreNS ns nm)
|
||||
restoreNS ns (Meta fc x y xs)
|
||||
= Meta fc x y (map (restoreNS ns) xs)
|
||||
restoreNS ns (Bind fc x b scope)
|
||||
= Bind fc x (map (restoreNS ns) b) (restoreNS ns scope)
|
||||
restoreNS ns (App fc fn arg)
|
||||
= App fc (restoreNS ns fn) (restoreNS ns arg)
|
||||
restoreNS ns (As fc s p tm)
|
||||
= As fc s (restoreNS ns p) (restoreNS ns tm)
|
||||
restoreNS ns (TDelayed fc x y)
|
||||
= TDelayed fc x (restoreNS ns y)
|
||||
restoreNS ns (TDelay fc x t y)
|
||||
= TDelay fc x (restoreNS ns t) (restoreNS ns y)
|
||||
restoreNS ns (TForce fc r y)
|
||||
= TForce fc r (restoreNS ns y)
|
||||
restoreNS ns tm = tm
|
||||
|
||||
|
||||
export
|
||||
isErased : Term vars -> Bool
|
||||
isErased (Erased _ _) = True
|
||||
isErased _ = False
|
||||
|
||||
export
|
||||
getLoc : Term vars -> FC
|
||||
getLoc (Local fc _ _ _) = fc
|
||||
getLoc (Ref fc _ _) = fc
|
||||
getLoc (Meta fc _ _ _) = fc
|
||||
getLoc (Bind fc _ _ _) = fc
|
||||
getLoc (App fc _ _) = fc
|
||||
getLoc (As fc _ _ _) = fc
|
||||
getLoc (TDelayed fc _ _) = fc
|
||||
getLoc (TDelay fc _ _ _) = fc
|
||||
getLoc (TForce fc _ _) = fc
|
||||
getLoc (PrimVal fc _) = fc
|
||||
getLoc (Erased fc i) = fc
|
||||
getLoc (TType fc _) = fc
|
||||
|
||||
export
|
||||
Eq LazyReason where
|
||||
(==) LInf LInf = True
|
||||
(==) LLazy LLazy = True
|
||||
(==) LUnknown LUnknown = True
|
||||
(==) _ _ = False
|
||||
|
||||
export
|
||||
Show LazyReason where
|
||||
show LInf = "Inf"
|
||||
show LLazy = "Lazy"
|
||||
show LUnknown = "Unkown"
|
||||
|
||||
export
|
||||
compatible : LazyReason -> LazyReason -> Bool
|
||||
compatible LUnknown _ = True
|
||||
compatible _ LUnknown = True
|
||||
compatible x y = x == y
|
||||
|
||||
export
|
||||
total
|
||||
Eq a => Eq (WhyErased a) where
|
||||
Placeholder == Placeholder = True
|
||||
Impossible == Impossible = True
|
||||
Dotted t == Dotted u = t == u
|
||||
_ == _ = False
|
||||
|
||||
export
|
||||
eqWhyErasedBy : (a -> b -> Bool) -> WhyErased a -> WhyErased b -> Bool
|
||||
eqWhyErasedBy eq Impossible Impossible = True
|
||||
eqWhyErasedBy eq Placeholder Placeholder = True
|
||||
eqWhyErasedBy eq (Dotted t) (Dotted u) = eq t u
|
||||
eqWhyErasedBy eq _ _ = False
|
||||
|
||||
export
|
||||
total
|
||||
eqTerm : Term vs -> Term vs' -> Bool
|
||||
eqTerm (Local _ _ idx _) (Local _ _ idx' _) = idx == idx'
|
||||
eqTerm (Ref _ _ n) (Ref _ _ n') = n == n'
|
||||
eqTerm (Meta _ _ i args) (Meta _ _ i' args')
|
||||
= i == i' && assert_total (all (uncurry eqTerm) (zip args args'))
|
||||
eqTerm (Bind _ _ b sc) (Bind _ _ b' sc')
|
||||
= assert_total (eqBinderBy eqTerm b b') && eqTerm sc sc'
|
||||
eqTerm (App _ f a) (App _ f' a') = eqTerm f f' && eqTerm a a'
|
||||
eqTerm (As _ _ a p) (As _ _ a' p') = eqTerm a a' && eqTerm p p'
|
||||
eqTerm (TDelayed _ _ t) (TDelayed _ _ t') = eqTerm t t'
|
||||
eqTerm (TDelay _ _ t x) (TDelay _ _ t' x') = eqTerm t t' && eqTerm x x'
|
||||
eqTerm (TForce _ _ t) (TForce _ _ t') = eqTerm t t'
|
||||
eqTerm (PrimVal _ c) (PrimVal _ c') = c == c'
|
||||
eqTerm (Erased _ i) (Erased _ i') = assert_total (eqWhyErasedBy eqTerm i i')
|
||||
eqTerm (TType _ _) (TType _ _) = True
|
||||
eqTerm _ _ = False
|
||||
|
||||
export
|
||||
total
|
||||
Eq (Term vars) where
|
||||
(==) = eqTerm
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Scope checking
|
||||
|
||||
mutual
|
||||
|
||||
resolveNamesBinder : (vars : List Name) -> Binder (Term vars) -> Binder (Term vars)
|
||||
resolveNamesBinder vars b = assert_total $ map (resolveNames vars) b
|
||||
|
||||
resolveNamesTerms : (vars : List Name) -> List (Term vars) -> List (Term vars)
|
||||
resolveNamesTerms vars ts = assert_total $ map (resolveNames vars) ts
|
||||
|
||||
-- Replace any Ref Bound in a type with appropriate local
|
||||
export
|
||||
resolveNames : (vars : List Name) -> Term vars -> Term vars
|
||||
resolveNames vars (Ref fc Bound name)
|
||||
= case isNVar name vars of
|
||||
Just (MkNVar prf) => Local fc (Just False) _ prf
|
||||
_ => Ref fc Bound name
|
||||
resolveNames vars (Meta fc n i xs)
|
||||
= Meta fc n i (resolveNamesTerms vars xs)
|
||||
resolveNames vars (Bind fc x b scope)
|
||||
= Bind fc x (resolveNamesBinder vars b) (resolveNames (x :: vars) scope)
|
||||
resolveNames vars (App fc fn arg)
|
||||
= App fc (resolveNames vars fn) (resolveNames vars arg)
|
||||
resolveNames vars (As fc s as pat)
|
||||
= As fc s (resolveNames vars as) (resolveNames vars pat)
|
||||
resolveNames vars (TDelayed fc x y)
|
||||
= TDelayed fc x (resolveNames vars y)
|
||||
resolveNames vars (TDelay fc x t y)
|
||||
= TDelay fc x (resolveNames vars t) (resolveNames vars y)
|
||||
resolveNames vars (TForce fc r x)
|
||||
= TForce fc r (resolveNames vars x)
|
||||
resolveNames vars tm = tm
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Showing
|
||||
|
||||
export
|
||||
withPiInfo : Show t => PiInfo t -> String -> String
|
||||
withPiInfo Explicit tm = "(" ++ tm ++ ")"
|
||||
withPiInfo Implicit tm = "{" ++ tm ++ "}"
|
||||
withPiInfo AutoImplicit tm = "{auto " ++ tm ++ "}"
|
||||
withPiInfo (DefImplicit t) tm = "{default " ++ show t ++ " " ++ tm ++ "}"
|
||||
|
||||
export
|
||||
covering
|
||||
{vars : _} -> Show (Term vars) where
|
||||
show tm = let (fn, args) = getFnArgs tm in showApp fn args
|
||||
where
|
||||
showApp : {vars : _} -> Term vars -> List (Term vars) -> String
|
||||
showApp (Local _ c idx p) []
|
||||
= show (nameAt p) ++ "[" ++ show idx ++ "]"
|
||||
|
||||
showApp (Ref _ _ n) [] = show n
|
||||
showApp (Meta _ n _ args) []
|
||||
= "?" ++ show n ++ "_" ++ show args
|
||||
showApp (Bind _ x (Lam _ c info ty) sc) []
|
||||
= "\\" ++ withPiInfo info (showCount c ++ show x ++ " : " ++ show ty) ++
|
||||
" => " ++ show sc
|
||||
showApp (Bind _ x (Let _ c val ty) sc) []
|
||||
= "let " ++ showCount c ++ show x ++ " : " ++ show ty ++
|
||||
" = " ++ show val ++ " in " ++ show sc
|
||||
showApp (Bind _ x (Pi _ c info ty) sc) []
|
||||
= withPiInfo info (showCount c ++ show x ++ " : " ++ show ty) ++
|
||||
" -> " ++ show sc
|
||||
showApp (Bind _ x (PVar _ c info ty) sc) []
|
||||
= withPiInfo info ("pat " ++ showCount c ++ show x ++ " : " ++ show ty) ++
|
||||
" => " ++ show sc
|
||||
showApp (Bind _ x (PLet _ c val ty) sc) []
|
||||
= "plet " ++ showCount c ++ show x ++ " : " ++ show ty ++
|
||||
" = " ++ show val ++ " in " ++ show sc
|
||||
showApp (Bind _ x (PVTy _ c ty) sc) []
|
||||
= "pty " ++ showCount c ++ show x ++ " : " ++ show ty ++
|
||||
" => " ++ show sc
|
||||
showApp (App _ _ _) [] = "[can't happen]"
|
||||
showApp (As _ _ n tm) [] = show n ++ "@" ++ show tm
|
||||
showApp (TDelayed _ _ tm) [] = "%Delayed " ++ show tm
|
||||
showApp (TDelay _ _ _ tm) [] = "%Delay " ++ show tm
|
||||
showApp (TForce _ _ tm) [] = "%Force " ++ show tm
|
||||
showApp (PrimVal _ c) [] = show c
|
||||
showApp (Erased _ (Dotted t)) [] = ".(" ++ show t ++ ")"
|
||||
showApp (Erased _ _) [] = "[__]"
|
||||
showApp (TType _ u) [] = "Type"
|
||||
showApp _ [] = "???"
|
||||
showApp f args = "(" ++ assert_total (show f) ++ " " ++
|
||||
assert_total (showSep " " (map show args))
|
||||
++ ")"
|
||||
55
src/Core/TT/Term/Subst.idr
Normal file
55
src/Core/TT/Term/Subst.idr
Normal file
@ -0,0 +1,55 @@
|
||||
module Core.TT.Term.Subst
|
||||
|
||||
import Core.Name
|
||||
import Core.Name.Scoped
|
||||
|
||||
import Core.TT.Binder
|
||||
import Core.TT.Subst
|
||||
import Core.TT.Term
|
||||
import Core.TT.Var
|
||||
|
||||
%default total
|
||||
|
||||
public export
|
||||
SubstEnv : Scope -> Scoped
|
||||
SubstEnv = Subst Term
|
||||
|
||||
substTerm : Substitutable Term Term
|
||||
substTerms : Substitutable Term (List . Term)
|
||||
substBinder : Substitutable Term (Binder . Term)
|
||||
|
||||
substTerm outer dropped env (Local fc r _ prf)
|
||||
= find (\ (MkVar p) => Local fc r _ p) outer dropped (MkVar prf) env
|
||||
substTerm outer dropped env (Ref fc x name) = Ref fc x name
|
||||
substTerm outer dropped env (Meta fc n i xs)
|
||||
= Meta fc n i (substTerms outer dropped env xs)
|
||||
substTerm outer dropped env (Bind fc x b scope)
|
||||
= Bind fc x (substBinder outer dropped env b)
|
||||
(substTerm (suc outer) dropped env scope)
|
||||
substTerm outer dropped env (App fc fn arg)
|
||||
= App fc (substTerm outer dropped env fn) (substTerm outer dropped env arg)
|
||||
substTerm outer dropped env (As fc s as pat)
|
||||
= As fc s (substTerm outer dropped env as) (substTerm outer dropped env pat)
|
||||
substTerm outer dropped env (TDelayed fc x y) = TDelayed fc x (substTerm outer dropped env y)
|
||||
substTerm outer dropped env (TDelay fc x t y)
|
||||
= TDelay fc x (substTerm outer dropped env t) (substTerm outer dropped env y)
|
||||
substTerm outer dropped env (TForce fc r x) = TForce fc r (substTerm outer dropped env x)
|
||||
substTerm outer dropped env (PrimVal fc c) = PrimVal fc c
|
||||
substTerm outer dropped env (Erased fc Impossible) = Erased fc Impossible
|
||||
substTerm outer dropped env (Erased fc Placeholder) = Erased fc Placeholder
|
||||
substTerm outer dropped env (Erased fc (Dotted t)) = Erased fc (Dotted (substTerm outer dropped env t))
|
||||
substTerm outer dropped env (TType fc u) = TType fc u
|
||||
|
||||
substTerms outer dropped env xs
|
||||
= assert_total $ map (substTerm outer dropped env) xs
|
||||
|
||||
substBinder outer dropped env b
|
||||
= assert_total $ map (substTerm outer dropped env) b
|
||||
|
||||
export
|
||||
substs : SizeOf dropped -> SubstEnv dropped vars -> Term (dropped ++ vars) -> Term vars
|
||||
substs dropped env tm = substTerm zero dropped env tm
|
||||
|
||||
export
|
||||
subst : Term vars -> Term (x :: vars) -> Term vars
|
||||
subst val tm = substs (suc zero) [val] tm
|
||||
449
src/Core/TT/Var.idr
Normal file
449
src/Core/TT/Var.idr
Normal file
@ -0,0 +1,449 @@
|
||||
module Core.TT.Var
|
||||
|
||||
import Data.Fin
|
||||
import Data.List
|
||||
import Data.Nat
|
||||
import Data.So
|
||||
import Data.SnocList
|
||||
import Data.Vect
|
||||
|
||||
import Core.Name
|
||||
import Core.Name.Scoped
|
||||
|
||||
import Libraries.Data.SnocList.HasLength
|
||||
import Libraries.Data.SnocList.SizeOf
|
||||
|
||||
import Libraries.Data.Erased
|
||||
|
||||
%default total
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- IsVar Predicate
|
||||
|
||||
||| IsVar n k ns is a proof that
|
||||
||| the name n
|
||||
||| is a position k
|
||||
||| in the snoclist ns
|
||||
public export
|
||||
data IsVar : a -> Nat -> List a -> Type where
|
||||
First : IsVar n Z (n :: ns)
|
||||
Later : IsVar n i ns -> IsVar n (S i) (m :: ns)
|
||||
|
||||
%name IsVar idx
|
||||
|
||||
export
|
||||
finIdx : {idx : _} -> (0 prf : IsVar x idx vars) ->
|
||||
Fin (length vars)
|
||||
finIdx First = FZ
|
||||
finIdx (Later l) = FS (finIdx l)
|
||||
|
||||
||| Recover the value pointed at by an IsVar proof
|
||||
||| O(n) in the size of the index
|
||||
export
|
||||
nameAt : {vars : List a} -> {idx : Nat} -> (0 p : IsVar n idx vars) -> a
|
||||
nameAt {vars = n :: _} First = n
|
||||
nameAt (Later p) = nameAt p
|
||||
|
||||
||| Inversion principle for Later
|
||||
export
|
||||
dropLater : IsVar nm (S idx) (n :: ns) -> IsVar nm idx ns
|
||||
dropLater (Later p) = p
|
||||
|
||||
export
|
||||
0 mkIsVar : HasLength m inner -> IsVar nm m (inner ++ nm :: outer)
|
||||
mkIsVar Z = First
|
||||
mkIsVar (S x) = Later (mkIsVar x)
|
||||
|
||||
export
|
||||
0 mkIsVarChiply : HasLength m inner -> IsVar nm m (inner <>> nm :: outer)
|
||||
mkIsVarChiply hl
|
||||
= rewrite chipsAsListAppend inner (nm :: outer) in
|
||||
rewrite sym $ plusZeroRightNeutral m in
|
||||
mkIsVar (hlChips hl Z)
|
||||
|
||||
||| Compute the remaining scope once the target variable has been removed
|
||||
public export
|
||||
dropIsVar :
|
||||
(ns : List a) ->
|
||||
{idx : Nat} -> (0 p : IsVar name idx ns) ->
|
||||
List a
|
||||
dropIsVar (_ :: xs) First = xs
|
||||
dropIsVar (n :: xs) (Later p) = n :: dropIsVar xs p
|
||||
|
||||
||| Throw in extra variables on the outer side of the context
|
||||
||| This is essentially the identity function
|
||||
||| This is slow so we ensure it's only used in a runtime irrelevant manner
|
||||
export
|
||||
0 embedIsVar : IsVar x idx xs -> IsVar x idx (xs ++ outer)
|
||||
embedIsVar First = First
|
||||
embedIsVar (Later p) = Later (embedIsVar p)
|
||||
|
||||
||| Throw in extra variables on the local end of the context.
|
||||
||| This is slow so we ensure it's only used in a runtime irrelevant manner
|
||||
export
|
||||
0 weakenIsVar : (s : SizeOf ns) -> IsVar x idx xs -> IsVar x (size s + idx) (ns ++ xs)
|
||||
weakenIsVar (MkSizeOf Z Z) p = p
|
||||
weakenIsVar (MkSizeOf (S k) (S l)) p = Later (weakenIsVar (MkSizeOf k l) p)
|
||||
|
||||
0 locateIsVarLT :
|
||||
(s : SizeOf local) ->
|
||||
So (idx < size s) ->
|
||||
IsVar x idx (local ++ outer) ->
|
||||
IsVar x idx local
|
||||
locateIsVarLT (MkSizeOf Z Z) so v = case v of
|
||||
First impossible
|
||||
Later v impossible
|
||||
locateIsVarLT (MkSizeOf (S k) (S l)) so v = case v of
|
||||
First => First
|
||||
Later v => Later (locateIsVarLT (MkSizeOf k l) so v)
|
||||
|
||||
0 locateIsVarGE :
|
||||
(s : SizeOf local) ->
|
||||
So (idx >= size s) ->
|
||||
IsVar x idx (local ++ outer) ->
|
||||
IsVar x (idx `minus` size s) outer
|
||||
locateIsVarGE (MkSizeOf Z Z) so v = rewrite minusZeroRight idx in v
|
||||
locateIsVarGE (MkSizeOf (S k) (S l)) so v = case v of
|
||||
Later v => locateIsVarGE (MkSizeOf k l) so v
|
||||
|
||||
export
|
||||
locateIsVar : {idx : Nat} -> (s : SizeOf local) ->
|
||||
(0 p : IsVar x idx (local ++ outer)) ->
|
||||
Either (Erased (IsVar x idx local))
|
||||
(Erased (IsVar x (idx `minus` size s) outer))
|
||||
locateIsVar s p = case choose (idx < size s) of
|
||||
Left so => Left (MkErased (locateIsVarLT s so p))
|
||||
Right so => Right (MkErased (locateIsVarGE s so p))
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Variable in scope
|
||||
|
||||
||| A variable in a scope is a name, a De Bruijn index,
|
||||
||| and a proof that the name is at that position in the scope.
|
||||
||| Everything but the De Bruijn index is erased.
|
||||
public export
|
||||
record Var {0 a : Type} (vars : List a) where
|
||||
constructor MkVar
|
||||
{varIdx : Nat}
|
||||
{0 varNm : a}
|
||||
0 varPrf : IsVar varNm varIdx vars
|
||||
|
||||
namespace Var
|
||||
|
||||
export
|
||||
later : Var ns -> Var (n :: ns)
|
||||
later (MkVar p) = MkVar (Later p)
|
||||
|
||||
export
|
||||
isLater : Var (n :: vs) -> Maybe (Var vs)
|
||||
isLater (MkVar First) = Nothing
|
||||
isLater (MkVar (Later p)) = Just (MkVar p)
|
||||
|
||||
export
|
||||
mkVar : SizeOf inner -> Var (inner ++ nm :: outer)
|
||||
mkVar (MkSizeOf s p) = MkVar (mkIsVar p)
|
||||
|
||||
export
|
||||
mkVarChiply : SizeOf inner -> Var (inner <>> nm :: outer)
|
||||
mkVarChiply (MkSizeOf s p) = MkVar (mkIsVarChiply p)
|
||||
|
||||
||| Generate all variables
|
||||
export
|
||||
allVars : (vars : Scope) -> List (Var vars)
|
||||
allVars = go [<] where
|
||||
|
||||
go : SizeOf local -> (vs : Scope) -> List (Var (local <>> vs))
|
||||
go s [] = []
|
||||
go s (v :: vs) = mkVarChiply s :: go (s :< v) vs
|
||||
|
||||
export
|
||||
Eq (Var xs) where
|
||||
v == w = varIdx v == varIdx w
|
||||
|
||||
|
||||
||| Removing var 0, strengthening all the other ones
|
||||
export
|
||||
dropFirst : List (Var (n :: vs)) -> List (Var vs)
|
||||
dropFirst = List.mapMaybe isLater
|
||||
|
||||
||| Manufacturing a thinning from a list of variables to keep
|
||||
export
|
||||
thinFromVars :
|
||||
(vars : _) -> List (Var vars) ->
|
||||
(newvars ** Thin newvars vars)
|
||||
thinFromVars [] els
|
||||
= (_ ** Refl)
|
||||
thinFromVars (x :: xs) els
|
||||
= let (vs ** subRest) = thinFromVars xs (dropFirst els) in
|
||||
if MkVar First `elem` els
|
||||
then (x :: vs ** Keep subRest)
|
||||
else (vs ** Drop subRest)
|
||||
|
||||
export
|
||||
Show (Var ns) where
|
||||
show v = show (varIdx v)
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Named variable in scope
|
||||
|
||||
public export
|
||||
record NVar {0 a : Type} (nm : a) (vars : List a) where
|
||||
constructor MkNVar
|
||||
{nvarIdx : Nat}
|
||||
0 nvarPrf : IsVar nm nvarIdx vars
|
||||
|
||||
namespace NVar
|
||||
export
|
||||
later : NVar nm ns -> NVar nm (n :: ns)
|
||||
later (MkNVar p) = MkNVar (Later p)
|
||||
|
||||
export
|
||||
isLater : NVar nm (n :: ns) -> Maybe (NVar nm ns)
|
||||
isLater (MkNVar First) = Nothing
|
||||
isLater (MkNVar (Later p)) = Just (MkNVar p)
|
||||
|
||||
export
|
||||
forgetName : NVar nm vars -> Var vars
|
||||
forgetName (MkNVar p) = MkVar p
|
||||
|
||||
export
|
||||
recoverName : (v : Var vars) -> NVar (varNm v) vars
|
||||
recoverName (MkVar p) = MkNVar p
|
||||
|
||||
export
|
||||
mkNVar : SizeOf inner -> NVar nm (inner ++ nm :: outer)
|
||||
mkNVar (MkSizeOf s p) = MkNVar (mkIsVar p)
|
||||
|
||||
export
|
||||
mkNVarChiply : SizeOf inner -> NVar nm (inner <>> nm :: outer)
|
||||
mkNVarChiply (MkSizeOf s p) = MkNVar (mkIsVarChiply p)
|
||||
|
||||
export
|
||||
locateNVar : SizeOf local -> NVar nm (local ++ outer) ->
|
||||
Either (NVar nm local) (NVar nm outer)
|
||||
locateNVar s (MkNVar p) = case locateIsVar s p of
|
||||
Left p => Left (MkNVar (runErased p))
|
||||
Right p => Right (MkNVar (runErased p))
|
||||
|
||||
public export
|
||||
dropNVar : {ns : List a} -> NVar nm ns -> List a
|
||||
dropNVar (MkNVar p) = dropIsVar ns p
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Scope checking
|
||||
|
||||
export
|
||||
isDeBruijn : Nat -> (vars : List Name) -> Maybe (Var vars)
|
||||
isDeBruijn Z (_ :: _) = pure (MkVar First)
|
||||
isDeBruijn (S k) (_ :: vs) = later <$> isDeBruijn k vs
|
||||
isDeBruijn _ _ = Nothing
|
||||
|
||||
export
|
||||
isNVar : (n : Name) -> (ns : List Name) -> Maybe (NVar n ns)
|
||||
isNVar n [] = Nothing
|
||||
isNVar n (m :: ms)
|
||||
= case nameEq n m of
|
||||
Nothing => map later (isNVar n ms)
|
||||
Just Refl => pure (MkNVar First)
|
||||
|
||||
export
|
||||
isVar : (n : Name) -> (ns : List Name) -> Maybe (Var ns)
|
||||
isVar n ns = forgetName <$> isNVar n ns
|
||||
|
||||
export
|
||||
locateVar : SizeOf local -> Var (local ++ outer) ->
|
||||
Either (Var local) (Var outer)
|
||||
locateVar s v = bimap forgetName forgetName
|
||||
$ locateNVar s (recoverName v)
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Weakening
|
||||
|
||||
export
|
||||
weakenNVar : SizeOf ns -> NVar name outer -> NVar name (ns ++ outer)
|
||||
weakenNVar s (MkNVar {nvarIdx} p)
|
||||
= MkNVar {nvarIdx = plus (size s) nvarIdx} (weakenIsVar s p)
|
||||
|
||||
export
|
||||
embedNVar : NVar name ns -> NVar name (ns ++ outer)
|
||||
embedNVar (MkNVar p) = MkNVar (embedIsVar p)
|
||||
|
||||
export
|
||||
insertNVar : SizeOf local ->
|
||||
NVar nm (local ++ outer) ->
|
||||
NVar nm (local ++ n :: outer)
|
||||
insertNVar p v = case locateNVar p v of
|
||||
Left v => embedNVar v
|
||||
Right v => weakenNVar p (later v)
|
||||
|
||||
export
|
||||
insertNVarChiply : SizeOf local ->
|
||||
NVar nm (local <>> outer) ->
|
||||
NVar nm (local <>> n :: outer)
|
||||
insertNVarChiply p v
|
||||
= rewrite chipsAsListAppend local (n :: outer) in
|
||||
insertNVar (p <>> zero)
|
||||
$ replace {p = NVar nm} (chipsAsListAppend local outer) v
|
||||
|
||||
export
|
||||
insertNVarNames : GenWeakenable (NVar name)
|
||||
insertNVarNames p q v = case locateNVar p v of
|
||||
Left v => embedNVar v
|
||||
Right v =>
|
||||
rewrite appendAssociative local ns outer in
|
||||
weakenNVar (p + q) v
|
||||
|
||||
||| The (partial) inverse to insertNVar
|
||||
export
|
||||
removeNVar : SizeOf local ->
|
||||
NVar nm (local ++ n :: outer) ->
|
||||
Maybe (NVar nm (local ++ outer))
|
||||
removeNVar s var = case locateNVar s var of
|
||||
Left v => pure (embedNVar v)
|
||||
Right v => weakenNVar s <$> isLater v
|
||||
|
||||
export
|
||||
insertVar : SizeOf local ->
|
||||
Var (local ++ outer) ->
|
||||
Var (local ++ n :: outer)
|
||||
insertVar p v = forgetName $ insertNVar p (recoverName v)
|
||||
|
||||
weakenVar : SizeOf ns -> Var outer -> Var (ns ++ outer)
|
||||
weakenVar p v = forgetName $ weakenNVar p (recoverName v)
|
||||
|
||||
insertVarNames : GenWeakenable Var
|
||||
insertVarNames p q v = forgetName $ insertNVarNames p q (recoverName v)
|
||||
|
||||
||| The (partial) inverse to insertVar
|
||||
export
|
||||
removeVar : SizeOf local ->
|
||||
Var (local ++ n :: outer) ->
|
||||
Maybe (Var (local ++ outer))
|
||||
removeVar s var = forgetName <$> removeNVar s (recoverName var)
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Strengthening
|
||||
|
||||
export
|
||||
strengthenIsVar : {n : Nat} -> (s : SizeOf inner) ->
|
||||
(0 p : IsVar x n (inner ++ vars)) ->
|
||||
Maybe (Erased (IsVar x (n `minus` size s) vars))
|
||||
strengthenIsVar s p = case locateIsVar s p of
|
||||
Left _ => Nothing
|
||||
Right p => pure p
|
||||
|
||||
strengthenVar : SizeOf inner ->
|
||||
Var (inner ++ vars) -> Maybe (Var vars)
|
||||
strengthenVar s (MkVar p)
|
||||
= do MkErased p <- strengthenIsVar s p
|
||||
pure (MkVar p)
|
||||
|
||||
strengthenNVar : SizeOf inner ->
|
||||
NVar x (inner ++ vars) -> Maybe (NVar x vars)
|
||||
strengthenNVar s (MkNVar p)
|
||||
= do MkErased p <- strengthenIsVar s p
|
||||
pure (MkNVar p)
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Reindexing
|
||||
|
||||
0 lookup :
|
||||
CompatibleVars xs ys ->
|
||||
{idx : Nat} ->
|
||||
(0 p : IsVar {a} name idx xs) ->
|
||||
a
|
||||
lookup Pre p = name
|
||||
lookup (Ext {m} x) First = m
|
||||
lookup (Ext x) (Later p) = lookup x p
|
||||
|
||||
0 compatIsVar :
|
||||
(ns : CompatibleVars xs ys) ->
|
||||
{idx : Nat} -> (0 p : IsVar name idx xs) ->
|
||||
IsVar (lookup ns p) idx ys
|
||||
compatIsVar Pre p = p
|
||||
compatIsVar (Ext {n} x) First = First
|
||||
compatIsVar (Ext {n} x) (Later p) = Later (compatIsVar x p)
|
||||
|
||||
compatVar : CompatibleVars xs ys -> Var xs -> Var ys
|
||||
compatVar prf (MkVar p) = MkVar (compatIsVar prf p)
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Thinning
|
||||
|
||||
export
|
||||
thinIsVar : {idx : Nat} -> (0 p : IsVar name idx xs) ->
|
||||
Thin xs ys -> Var ys
|
||||
thinIsVar p Refl = MkVar p
|
||||
thinIsVar p (Drop th) = later (thinIsVar p th)
|
||||
thinIsVar First (Keep th) = MkVar First
|
||||
thinIsVar (Later p) (Keep th) = later (thinIsVar p th)
|
||||
|
||||
export
|
||||
shrinkIsVar : {idx : Nat} -> (0 p : IsVar name idx xs) ->
|
||||
Thin ys xs -> Maybe (Var ys)
|
||||
shrinkIsVar prf Refl = Just (MkVar prf)
|
||||
shrinkIsVar First (Drop p) = Nothing
|
||||
shrinkIsVar (Later x) (Drop p) = shrinkIsVar x p
|
||||
shrinkIsVar First (Keep p) = Just (MkVar First)
|
||||
shrinkIsVar (Later x) (Keep p) = later <$> shrinkIsVar x p
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Putting it all together
|
||||
|
||||
export
|
||||
%hint
|
||||
0 FreelyEmbeddableIsVar : FreelyEmbeddable (IsVar x k)
|
||||
FreelyEmbeddableIsVar = MkFreelyEmbeddable embedIsVar
|
||||
|
||||
export
|
||||
GenWeaken (Var {a = Name}) where
|
||||
genWeakenNs = insertVarNames
|
||||
|
||||
%hint
|
||||
export
|
||||
WeakenVar : Weaken (Var {a = Name})
|
||||
WeakenVar = GenWeakenWeakens
|
||||
|
||||
export
|
||||
Strengthen (Var {a = Name}) where
|
||||
strengthenNs = strengthenVar
|
||||
|
||||
export
|
||||
FreelyEmbeddable (Var {a = Name}) where
|
||||
embed (MkVar p) = MkVar (embedIsVar p)
|
||||
|
||||
export
|
||||
IsScoped (Var {a = Name}) where
|
||||
compatNs = compatVar
|
||||
|
||||
thin (MkVar p) = thinIsVar p
|
||||
shrink (MkVar p) = shrinkIsVar p
|
||||
|
||||
export
|
||||
GenWeaken (NVar {a = Name} nm) where
|
||||
genWeakenNs = insertNVarNames
|
||||
|
||||
%hint
|
||||
export
|
||||
WeakenNVar : Weaken (NVar {a = Name} nm)
|
||||
WeakenNVar = GenWeakenWeakens
|
||||
|
||||
export
|
||||
Strengthen (NVar {a = Name} nm) where
|
||||
strengthenNs = strengthenNVar
|
||||
|
||||
export
|
||||
FreelyEmbeddable (NVar {a = Name} nm) where
|
||||
embed (MkNVar p) = MkNVar (embedIsVar p)
|
||||
|
||||
------------------------------------------------------------------------
|
||||
-- Corollaries
|
||||
|
||||
||| Moving the zeroth variable under a set number of variables
|
||||
export
|
||||
shiftUnderNs : SizeOf {a = Name} inner ->
|
||||
{idx : _} ->
|
||||
(0 p : IsVar n idx (x :: inner ++ outer)) ->
|
||||
NVar n (inner ++ x :: outer)
|
||||
shiftUnderNs s First = weakenNs s (MkNVar First)
|
||||
shiftUnderNs s (Later p) = insertNVar s (MkNVar p)
|
||||
@ -300,24 +300,30 @@ getVars _ (_ :: xs) = Nothing
|
||||
-- Make a sublist representing the variables used in the application.
|
||||
-- We'll use this to ensure that local variables which appear in a term
|
||||
-- are all arguments to a metavariable application for pattern unification
|
||||
toSubVars : (vars : List Name) -> List (Var vars) ->
|
||||
(newvars ** SubVars newvars vars)
|
||||
toSubVars [] xs = ([] ** SubRefl)
|
||||
toSubVars (n :: ns) xs
|
||||
toThin : (vars : List Name) -> List (Var vars) ->
|
||||
(newvars ** Thin newvars vars)
|
||||
toThin [] xs = ([] ** Refl)
|
||||
toThin (n :: ns) xs
|
||||
-- If there's a proof 'First' in 'xs', then 'n' should be kept,
|
||||
-- otherwise dropped
|
||||
-- (Remember: 'n' might be shadowed; looking for 'First' ensures we
|
||||
-- get the *right* proof that the name is in scope!)
|
||||
= let (_ ** svs) = toSubVars ns (dropFirst xs) in
|
||||
= let (_ ** svs) = toThin ns (dropFirst xs) in
|
||||
if anyFirst xs
|
||||
then (_ ** KeepCons svs)
|
||||
else (_ ** DropCons svs)
|
||||
then (_ ** Keep svs)
|
||||
else (_ ** Drop svs)
|
||||
where
|
||||
anyFirst : List (Var (n :: ns)) -> Bool
|
||||
anyFirst [] = False
|
||||
anyFirst (MkVar First :: xs) = True
|
||||
anyFirst (MkVar (Later p) :: xs) = anyFirst xs
|
||||
|
||||
-- Update the variable list to point into the sub environment
|
||||
-- (All of these will succeed because the Thin we have comes from
|
||||
-- the list of variable uses! It's not stated in the type, though.)
|
||||
updateVars : List (Var {a = Name} vars) -> Thin newvars vars -> List (Var newvars)
|
||||
updateVars vs th = mapMaybe (\ v => shrink v th) vs
|
||||
|
||||
{- Applying the pattern unification rule is okay if:
|
||||
* Arguments are all distinct local variables
|
||||
* The metavariable name doesn't appear in the unifying term
|
||||
@ -338,7 +344,7 @@ patternEnv : {auto c : Ref Ctxt Defs} ->
|
||||
{vars : _} ->
|
||||
Env Term vars -> List (Closure vars) ->
|
||||
Core (Maybe (newvars ** (List (Var newvars),
|
||||
SubVars newvars vars)))
|
||||
Thin newvars vars)))
|
||||
patternEnv {vars} env args
|
||||
= do defs <- get Ctxt
|
||||
empty <- clearDefs defs
|
||||
@ -347,18 +353,8 @@ patternEnv {vars} env args
|
||||
case getVars [] args' of
|
||||
Nothing => Nothing
|
||||
Just vs =>
|
||||
let (newvars ** svs) = toSubVars _ vs in
|
||||
let (newvars ** svs) = toThin _ vs in
|
||||
Just (newvars ** (updateVars vs svs, svs))
|
||||
where
|
||||
-- Update the variable list to point into the sub environment
|
||||
-- (All of these will succeed because the SubVars we have comes from
|
||||
-- the list of variable uses! It's not stated in the type, though.)
|
||||
updateVars : List (Var vars) -> SubVars newvars vars -> List (Var newvars)
|
||||
updateVars [] svs = []
|
||||
updateVars (MkVar p :: ps) svs
|
||||
= case subElem p svs of
|
||||
Nothing => updateVars ps svs
|
||||
Just p' => p' :: updateVars ps svs
|
||||
|
||||
getVarsTm : List Nat -> List (Term vars) -> Maybe (List (Var vars))
|
||||
getVarsTm got [] = Just []
|
||||
@ -374,25 +370,15 @@ patternEnvTm : {auto c : Ref Ctxt Defs} ->
|
||||
{vars : _} ->
|
||||
Env Term vars -> List (Term vars) ->
|
||||
Core (Maybe (newvars ** (List (Var newvars),
|
||||
SubVars newvars vars)))
|
||||
Thin newvars vars)))
|
||||
patternEnvTm {vars} env args
|
||||
= do defs <- get Ctxt
|
||||
empty <- clearDefs defs
|
||||
pure $ case getVarsTm [] args of
|
||||
Nothing => Nothing
|
||||
Just vs =>
|
||||
let (newvars ** svs) = toSubVars _ vs in
|
||||
let (newvars ** svs) = toThin _ vs in
|
||||
Just (newvars ** (updateVars vs svs, svs))
|
||||
where
|
||||
-- Update the variable list to point into the sub environment
|
||||
-- (All of these will succeed because the SubVars we have comes from
|
||||
-- the list of variable uses! It's not stated in the type, though.)
|
||||
updateVars : List (Var vars) -> SubVars newvars vars -> List (Var newvars)
|
||||
updateVars [] svs = []
|
||||
updateVars (MkVar p :: ps) svs
|
||||
= case subElem p svs of
|
||||
Nothing => updateVars ps svs
|
||||
Just p' => p' :: updateVars ps svs
|
||||
|
||||
-- Check that the metavariable name doesn't occur in the solution.
|
||||
-- If it does, normalising might help. If it still does, that's an error.
|
||||
@ -437,9 +423,8 @@ data IVars : List Name -> List Name -> Type where
|
||||
IVars (v :: vs) newvars
|
||||
|
||||
Weaken (IVars vs) where
|
||||
weaken INil = INil
|
||||
weaken (ICons Nothing ts) = ICons Nothing (weaken ts)
|
||||
weaken (ICons (Just t) ts) = ICons (Just (weaken t)) (weaken ts)
|
||||
weakenNs s INil = INil
|
||||
weakenNs s (ICons t ts) = ICons (weakenNs @{MaybeWeaken} s t) (weakenNs s ts)
|
||||
|
||||
getIVars : IVars vs ns -> List (Maybe (Var ns))
|
||||
getIVars INil = []
|
||||
@ -522,23 +507,20 @@ tryInstantiate {newvars} loc mode env mname mref num mdef locs otm tm
|
||||
isSimple (App _ f a) = noMeta f 6 && noMeta a 3
|
||||
isSimple tm = noMeta tm 0
|
||||
|
||||
updateIVar : {v : Nat} ->
|
||||
forall vs, newvars . IVars vs newvars -> (0 p : IsVar nm v newvars) ->
|
||||
updateIVar : forall vs, newvars . IVars vs newvars -> Var newvars ->
|
||||
Maybe (Var vs)
|
||||
updateIVar {v} (ICons Nothing rest) prf
|
||||
= do MkVar prf' <- updateIVar rest prf
|
||||
Just (MkVar (Later prf'))
|
||||
updateIVar {v} (ICons (Just (MkVar {i} p)) rest) prf
|
||||
= if v == i
|
||||
updateIVar (ICons Nothing rest) new
|
||||
= later <$> updateIVar rest new
|
||||
updateIVar (ICons (Just old) rest) new
|
||||
= if new == old
|
||||
then Just (MkVar First)
|
||||
else do MkVar prf' <- updateIVar rest prf
|
||||
Just (MkVar (Later prf'))
|
||||
else later <$> updateIVar rest new
|
||||
updateIVar _ _ = Nothing
|
||||
|
||||
updateIVars : {vs, newvars : _} ->
|
||||
IVars vs newvars -> Term newvars -> Maybe (Term vs)
|
||||
updateIVars ivs (Local fc r idx p)
|
||||
= do MkVar p' <- updateIVar ivs p
|
||||
= do MkVar p' <- updateIVar ivs (MkVar p)
|
||||
Just (Local fc r _ p')
|
||||
updateIVars ivs (Ref fc nt n) = pure $ Ref fc nt n
|
||||
updateIVars ivs (Meta fc n i args)
|
||||
@ -599,7 +581,7 @@ tryInstantiate {newvars} loc mode env mname mref num mdef locs otm tm
|
||||
mkDef vs vars soln (Bind bfc x b@(Let _ c val ty) sc)
|
||||
= do mbsc' <- mkDef vs (ICons Nothing vars) soln sc
|
||||
flip traverseOpt mbsc' $ \sc' =>
|
||||
case shrinkTerm sc' (DropCons SubRefl) of
|
||||
case shrink sc' (Drop Refl) of
|
||||
Just scs => pure scs
|
||||
Nothing => pure $ Bind bfc x b sc'
|
||||
mkDef [] vars soln _
|
||||
@ -621,7 +603,7 @@ updateSolution env (Meta fc mname idx args) soln
|
||||
case !(patternEnvTm env args) of
|
||||
Nothing => pure False
|
||||
Just (newvars ** (locs, submv)) =>
|
||||
case shrinkTerm soln submv of
|
||||
case shrink soln submv of
|
||||
Nothing => pure False
|
||||
Just stm =>
|
||||
do Just hdef <- lookupCtxtExact (Resolved idx) (gamma defs)
|
||||
@ -827,7 +809,7 @@ mutual
|
||||
(margs : List (Closure vars)) ->
|
||||
(margs' : List (Closure vars)) ->
|
||||
List (Var newvars) ->
|
||||
SubVars newvars vars ->
|
||||
Thin newvars vars ->
|
||||
(solfull : Term vars) -> -- Original solution
|
||||
(soln : Term newvars) -> -- Solution with shrunk environment
|
||||
(solnf : NF vars) ->
|
||||
@ -918,11 +900,11 @@ mutual
|
||||
postponeS swap loc mode "Can't instantiate" env
|
||||
(NApp loc (NMeta mname mref margs) $ map (EmptyFC,) margs') tmnf
|
||||
|
||||
case shrinkTerm tm submv of
|
||||
case shrink tm submv of
|
||||
Just stm => solveOrElsePostpone stm
|
||||
Nothing =>
|
||||
do tm' <- quote defs env tmnf
|
||||
case shrinkTerm tm' submv of
|
||||
case shrink tm' submv of
|
||||
Nothing => postponeS swap loc mode "Can't shrink" env
|
||||
(NApp loc (NMeta mname mref margs) $ map (EmptyFC,) margs')
|
||||
tmnf
|
||||
|
||||
@ -17,6 +17,8 @@ import Libraries.Data.IntMap
|
||||
import Libraries.Data.NameMap
|
||||
import Libraries.Data.WithDefault
|
||||
|
||||
import Libraries.Data.SnocList.HasLength
|
||||
|
||||
%default covering
|
||||
|
||||
public export
|
||||
@ -314,90 +316,86 @@ addPolyConstraint fc env arg x@(NApp _ (NMeta _ _ _) _) y
|
||||
addPolyConstraint fc env arg x y
|
||||
= pure ()
|
||||
|
||||
mkLocal : {wkns : SnocList Name} -> FC -> Binder (Term vars) -> Term (wkns <>> x :: (vars ++ done))
|
||||
mkLocal fc b = Local fc (Just (isLet b)) _ (mkIsVarChiply (mkHasLength wkns))
|
||||
|
||||
mkConstantAppArgs : {vars : _} ->
|
||||
Bool -> FC -> Env Term vars ->
|
||||
(wkns : List Name) ->
|
||||
List (Term (wkns ++ (vars ++ done)))
|
||||
(wkns : SnocList Name) ->
|
||||
List (Term (wkns <>> (vars ++ done)))
|
||||
mkConstantAppArgs lets fc [] wkns = []
|
||||
mkConstantAppArgs {done} {vars = x :: xs} lets fc (b :: env) wkns
|
||||
= let rec = mkConstantAppArgs {done} lets fc env (wkns ++ [x]) in
|
||||
= let rec = mkConstantAppArgs {done} lets fc env (wkns :< x) in
|
||||
if lets || not (isLet b)
|
||||
then Local fc (Just (isLet b)) (length wkns) (mkVar wkns) ::
|
||||
rewrite (appendAssociative wkns [x] (xs ++ done)) in rec
|
||||
else rewrite (appendAssociative wkns [x] (xs ++ done)) in rec
|
||||
then mkLocal fc b :: rec
|
||||
else rec
|
||||
|
||||
mkConstantAppArgsSub : {vars : _} ->
|
||||
Bool -> FC -> Env Term vars ->
|
||||
SubVars smaller vars ->
|
||||
(wkns : List Name) ->
|
||||
List (Term (wkns ++ (vars ++ done)))
|
||||
Thin smaller vars ->
|
||||
(wkns : SnocList Name) ->
|
||||
List (Term (wkns <>> (vars ++ done)))
|
||||
mkConstantAppArgsSub lets fc [] p wkns = []
|
||||
mkConstantAppArgsSub {done} {vars = x :: xs}
|
||||
lets fc (b :: env) SubRefl wkns
|
||||
= rewrite appendAssociative wkns [x] (xs ++ done) in
|
||||
mkConstantAppArgs lets fc env (wkns ++ [x])
|
||||
lets fc (b :: env) Refl wkns
|
||||
= mkConstantAppArgs lets fc env (wkns :< x)
|
||||
mkConstantAppArgsSub {done} {vars = x :: xs}
|
||||
lets fc (b :: env) (DropCons p) wkns
|
||||
= rewrite appendAssociative wkns [x] (xs ++ done) in
|
||||
mkConstantAppArgsSub lets fc env p (wkns ++ [x])
|
||||
lets fc (b :: env) (Drop p) wkns
|
||||
= mkConstantAppArgsSub lets fc env p (wkns :< x)
|
||||
mkConstantAppArgsSub {done} {vars = x :: xs}
|
||||
lets fc (b :: env) (KeepCons p) wkns
|
||||
= let rec = mkConstantAppArgsSub {done} lets fc env p (wkns ++ [x]) in
|
||||
lets fc (b :: env) (Keep p) wkns
|
||||
= let rec = mkConstantAppArgsSub {done} lets fc env p (wkns :< x) in
|
||||
if lets || not (isLet b)
|
||||
then Local fc (Just (isLet b)) (length wkns) (mkVar wkns) ::
|
||||
rewrite appendAssociative wkns [x] (xs ++ done) in rec
|
||||
else rewrite appendAssociative wkns [x] (xs ++ done) in rec
|
||||
then mkLocal fc b :: rec
|
||||
else rec
|
||||
|
||||
mkConstantAppArgsOthers : {vars : _} ->
|
||||
Bool -> FC -> Env Term vars ->
|
||||
SubVars smaller vars ->
|
||||
(wkns : List Name) ->
|
||||
List (Term (wkns ++ (vars ++ done)))
|
||||
Thin smaller vars ->
|
||||
(wkns : SnocList Name) ->
|
||||
List (Term (wkns <>> (vars ++ done)))
|
||||
mkConstantAppArgsOthers lets fc [] p wkns = []
|
||||
mkConstantAppArgsOthers {done} {vars = x :: xs}
|
||||
lets fc (b :: env) SubRefl wkns
|
||||
= rewrite appendAssociative wkns [x] (xs ++ done) in
|
||||
mkConstantAppArgsOthers lets fc env SubRefl (wkns ++ [x])
|
||||
lets fc (b :: env) Refl wkns
|
||||
= mkConstantAppArgsOthers lets fc env Refl (wkns :< x)
|
||||
mkConstantAppArgsOthers {done} {vars = x :: xs}
|
||||
lets fc (b :: env) (KeepCons p) wkns
|
||||
= rewrite appendAssociative wkns [x] (xs ++ done) in
|
||||
mkConstantAppArgsOthers lets fc env p (wkns ++ [x])
|
||||
lets fc (b :: env) (Keep p) wkns
|
||||
= mkConstantAppArgsOthers lets fc env p (wkns :< x)
|
||||
mkConstantAppArgsOthers {done} {vars = x :: xs}
|
||||
lets fc (b :: env) (DropCons p) wkns
|
||||
= let rec = mkConstantAppArgsOthers {done} lets fc env p (wkns ++ [x]) in
|
||||
lets fc (b :: env) (Drop p) wkns
|
||||
= let rec = mkConstantAppArgsOthers {done} lets fc env p (wkns :< x) in
|
||||
if lets || not (isLet b)
|
||||
then Local fc (Just (isLet b)) (length wkns) (mkVar wkns) ::
|
||||
rewrite appendAssociative wkns [x] (xs ++ done) in rec
|
||||
else rewrite appendAssociative wkns [x] (xs ++ done) in rec
|
||||
then mkLocal fc b :: rec
|
||||
else rec
|
||||
|
||||
export
|
||||
applyTo : {vars : _} ->
|
||||
FC -> Term vars -> Env Term vars -> Term vars
|
||||
applyTo fc tm env
|
||||
= let args = reverse (mkConstantAppArgs {done = []} False fc env []) in
|
||||
= let args = reverse (mkConstantAppArgs {done = []} False fc env [<]) in
|
||||
apply fc tm (rewrite sym (appendNilRightNeutral vars) in args)
|
||||
|
||||
export
|
||||
applyToFull : {vars : _} ->
|
||||
FC -> Term vars -> Env Term vars -> Term vars
|
||||
applyToFull fc tm env
|
||||
= let args = reverse (mkConstantAppArgs {done = []} True fc env []) in
|
||||
= let args = reverse (mkConstantAppArgs {done = []} True fc env [<]) in
|
||||
apply fc tm (rewrite sym (appendNilRightNeutral vars) in args)
|
||||
|
||||
export
|
||||
applyToSub : {vars : _} ->
|
||||
FC -> Term vars -> Env Term vars ->
|
||||
SubVars smaller vars -> Term vars
|
||||
Thin smaller vars -> Term vars
|
||||
applyToSub fc tm env sub
|
||||
= let args = reverse (mkConstantAppArgsSub {done = []} True fc env sub []) in
|
||||
= let args = reverse (mkConstantAppArgsSub {done = []} True fc env sub [<]) in
|
||||
apply fc tm (rewrite sym (appendNilRightNeutral vars) in args)
|
||||
|
||||
export
|
||||
applyToOthers : {vars : _} ->
|
||||
FC -> Term vars -> Env Term vars ->
|
||||
SubVars smaller vars -> Term vars
|
||||
Thin smaller vars -> Term vars
|
||||
applyToOthers fc tm env sub
|
||||
= let args = reverse (mkConstantAppArgsOthers {done = []} True fc env sub []) in
|
||||
= let args = reverse (mkConstantAppArgsOthers {done = []} True fc env sub [<]) in
|
||||
apply fc tm (rewrite sym (appendNilRightNeutral vars) in args)
|
||||
|
||||
-- Create a new metavariable with the given name and return type,
|
||||
@ -425,7 +423,7 @@ newMetaLets {vars} fc rig env n ty def nocyc lets
|
||||
pure (idx, Meta fc n idx envArgs)
|
||||
where
|
||||
envArgs : List (Term vars)
|
||||
envArgs = let args = reverse (mkConstantAppArgs {done = []} lets fc env []) in
|
||||
envArgs = let args = reverse (mkConstantAppArgs {done = []} lets fc env [<]) in
|
||||
rewrite sym (appendNilRightNeutral vars) in args
|
||||
|
||||
export
|
||||
@ -471,7 +469,7 @@ newConstant {vars} fc rig env tm ty constrs
|
||||
pure (Meta fc cn idx envArgs)
|
||||
where
|
||||
envArgs : List (Term vars)
|
||||
envArgs = let args = reverse (mkConstantAppArgs {done = []} True fc env []) in
|
||||
envArgs = let args = reverse (mkConstantAppArgs {done = []} True fc env [<]) in
|
||||
rewrite sym (appendNilRightNeutral vars) in args
|
||||
|
||||
-- Create a new search with the given name and return type,
|
||||
@ -493,7 +491,7 @@ newSearch {vars} fc rig depth def env n ty
|
||||
pure (idx, Meta fc n idx envArgs)
|
||||
where
|
||||
envArgs : List (Term vars)
|
||||
envArgs = let args = reverse (mkConstantAppArgs {done = []} False fc env []) in
|
||||
envArgs = let args = reverse (mkConstantAppArgs {done = []} False fc env [<]) in
|
||||
rewrite sym (appendNilRightNeutral vars) in args
|
||||
|
||||
-- Add a hole which stands for a delayed elaborator
|
||||
@ -513,7 +511,7 @@ newDelayed {vars} fc rig env n ty
|
||||
pure (idx, Meta fc n idx envArgs)
|
||||
where
|
||||
envArgs : List (Term vars)
|
||||
envArgs = let args = reverse (mkConstantAppArgs {done = []} False fc env []) in
|
||||
envArgs = let args = reverse (mkConstantAppArgs {done = []} False fc env [<]) in
|
||||
rewrite sym (appendNilRightNeutral vars) in args
|
||||
|
||||
export
|
||||
|
||||
@ -795,7 +795,7 @@ execDecls decls = do
|
||||
execDecl decl = do
|
||||
i <- desugarDecl [] decl
|
||||
inidx <- resolveName (UN $ Basic "[defs]")
|
||||
_ <- newRef EST (initEStateSub inidx [] SubRefl)
|
||||
_ <- newRef EST (initEStateSub inidx [] Refl)
|
||||
processLocal [] (MkNested []) [] !getItDecls i
|
||||
|
||||
export
|
||||
|
||||
24
src/Libraries/Data/Erased.idr
Normal file
24
src/Libraries/Data/Erased.idr
Normal file
@ -0,0 +1,24 @@
|
||||
module Libraries.Data.Erased
|
||||
|
||||
%default total
|
||||
|
||||
public export
|
||||
record Erased (a : Type) where
|
||||
constructor MkErased
|
||||
0 runErased : a
|
||||
|
||||
export
|
||||
Functor Erased where
|
||||
map f (MkErased x) = MkErased (f x)
|
||||
|
||||
export
|
||||
Applicative Erased where
|
||||
pure x = MkErased x
|
||||
MkErased f <*> MkErased x = MkErased (f x)
|
||||
|
||||
join : Erased (Erased a) -> Erased a
|
||||
join (MkErased mx) = MkErased (let MkErased x = mx in x)
|
||||
|
||||
export
|
||||
Monad Erased where
|
||||
mx >>= f = join (f <$> mx)
|
||||
@ -134,3 +134,11 @@ suffixOfBy : (match : a -> b -> Maybe m) ->
|
||||
suffixOfBy match left right
|
||||
= do (ms, bs) <- Extra.prefixOfBy match (reverse left) (reverse right)
|
||||
pure (reverse bs, reverse ms)
|
||||
|
||||
export
|
||||
lengthDistributesOverAppend
|
||||
: (xs, ys : List a)
|
||||
-> length (xs ++ ys) = length xs + length ys
|
||||
lengthDistributesOverAppend [] ys = Refl
|
||||
lengthDistributesOverAppend (x :: xs) ys =
|
||||
cong S $ lengthDistributesOverAppend xs ys
|
||||
|
||||
48
src/Libraries/Data/List/HasLength.idr
Normal file
48
src/Libraries/Data/List/HasLength.idr
Normal file
@ -0,0 +1,48 @@
|
||||
module Libraries.Data.List.HasLength
|
||||
|
||||
import Data.Nat
|
||||
|
||||
-- TODO: delete in favor of base lib's List.HasLength once next version _after_ v0.6.0 ships.
|
||||
public export
|
||||
data HasLength : Nat -> List a -> Type where
|
||||
Z : HasLength Z []
|
||||
S : HasLength n as -> HasLength (S n) (a :: as)
|
||||
|
||||
-- TODO: Use List.HasLength.sucR from the base lib instead once next version _after_ v0.6.0 ships.
|
||||
export
|
||||
sucR : HasLength n xs -> HasLength (S n) (xs ++ [x])
|
||||
sucR Z = S Z
|
||||
sucR (S n) = S (sucR n)
|
||||
|
||||
-- TODO: Use List.HasLength.hasLengthAppend from the base lib instead once next version _after_ v0.6.0 ships.
|
||||
export
|
||||
hlAppend : HasLength m xs -> HasLength n ys -> HasLength (m + n) (xs ++ ys)
|
||||
hlAppend Z ys = ys
|
||||
hlAppend (S xs) ys = S (hlAppend xs ys)
|
||||
|
||||
-- TODO: Use List.HasLength.hasLength from the base lib instead once next version _after_ v0.6.0 ships.
|
||||
export
|
||||
mkHasLength : (xs : List a) -> HasLength (length xs) xs
|
||||
mkHasLength [] = Z
|
||||
mkHasLength (_ :: xs) = S (mkHasLength xs)
|
||||
|
||||
-- TODO: Use List.HasLength.take from the base lib instead once next vresion _after_ v0.6.0 ships.
|
||||
export
|
||||
take : (n : Nat) -> (xs : Stream a) -> HasLength n (take n xs)
|
||||
take Z _ = Z
|
||||
take (S n) (x :: xs) = S (take n xs)
|
||||
|
||||
export
|
||||
cast : {ys : _} -> (0 _ : List.length xs = List.length ys) -> HasLength m xs -> HasLength m ys
|
||||
cast {ys = []} eq Z = Z
|
||||
cast {ys = y :: ys} eq (S p) = S (cast (injective eq) p)
|
||||
|
||||
-- TODO: Delete once version _after_ v0.6.0 ships.
|
||||
hlReverseOnto : HasLength m acc -> HasLength n xs -> HasLength (m + n) (reverseOnto acc xs)
|
||||
hlReverseOnto p Z = rewrite plusZeroRightNeutral m in p
|
||||
hlReverseOnto {n = S n} p (S q) = rewrite sym (plusSuccRightSucc m n) in hlReverseOnto (S p) q
|
||||
|
||||
-- TODO: Use List.HasLength.hasLengthReverse from the base lib instead once next version _after_ v0.6.0 ships.
|
||||
export
|
||||
hlReverse : HasLength m acc -> HasLength m (reverse acc)
|
||||
hlReverse = hlReverseOnto Z
|
||||
@ -1,4 +1,4 @@
|
||||
module Libraries.Data.LengthMatch
|
||||
module Libraries.Data.List.LengthMatch
|
||||
|
||||
%default total
|
||||
|
||||
@ -19,4 +19,3 @@ export
|
||||
lengthsMatch : LengthMatch xs ys -> (length xs) = (length ys)
|
||||
lengthsMatch NilMatch = Refl
|
||||
lengthsMatch (ConsMatch x) = cong (S) (lengthsMatch x)
|
||||
|
||||
61
src/Libraries/Data/List/SizeOf.idr
Normal file
61
src/Libraries/Data/List/SizeOf.idr
Normal file
@ -0,0 +1,61 @@
|
||||
module Libraries.Data.List.SizeOf
|
||||
|
||||
import Data.List
|
||||
import Libraries.Data.List.HasLength
|
||||
|
||||
%default total
|
||||
|
||||
public export
|
||||
record SizeOf {a : Type} (xs : List a) where
|
||||
constructor MkSizeOf
|
||||
size : Nat
|
||||
0 hasLength : HasLength size xs
|
||||
|
||||
export
|
||||
0 theList : SizeOf {a} xs -> List a
|
||||
theList _ = xs
|
||||
|
||||
public export
|
||||
zero : SizeOf []
|
||||
zero = MkSizeOf Z Z
|
||||
|
||||
public export
|
||||
suc : SizeOf as -> SizeOf (a :: as)
|
||||
suc (MkSizeOf n p) = MkSizeOf (S n) (S p)
|
||||
|
||||
-- ||| suc but from the right
|
||||
export
|
||||
sucR : SizeOf as -> SizeOf (as ++ [a])
|
||||
sucR (MkSizeOf n p) = MkSizeOf (S n) (sucR p)
|
||||
|
||||
export
|
||||
(+) : SizeOf xs -> SizeOf ys -> SizeOf (xs ++ ys)
|
||||
MkSizeOf m p + MkSizeOf n q = MkSizeOf (m + n) (hlAppend p q)
|
||||
|
||||
export
|
||||
mkSizeOf : (xs : List a) -> SizeOf xs
|
||||
mkSizeOf xs = MkSizeOf (length xs) (mkHasLength xs)
|
||||
|
||||
export
|
||||
reverse : SizeOf xs -> SizeOf (reverse xs)
|
||||
reverse (MkSizeOf n p) = MkSizeOf n (hlReverse p)
|
||||
|
||||
export
|
||||
map : SizeOf xs -> SizeOf (map f xs)
|
||||
map (MkSizeOf n p) = MkSizeOf n (cast (sym $ lengthMap xs) p)
|
||||
|
||||
export
|
||||
take : {n : Nat} -> {0 xs : Stream a} -> SizeOf (take n xs)
|
||||
take = MkSizeOf n (take n xs)
|
||||
|
||||
namespace SizedView
|
||||
|
||||
public export
|
||||
data SizedView : SizeOf as -> Type where
|
||||
Z : SizedView (MkSizeOf Z Z)
|
||||
S : (n : SizeOf as) -> SizedView (suc {a} n)
|
||||
|
||||
export
|
||||
sizedView : (p : SizeOf as) -> SizedView p
|
||||
sizedView (MkSizeOf Z Z) = Z
|
||||
sizedView (MkSizeOf (S n) (S p)) = S (MkSizeOf n p)
|
||||
11
src/Libraries/Data/Ordering/Extra.idr
Normal file
11
src/Libraries/Data/Ordering/Extra.idr
Normal file
@ -0,0 +1,11 @@
|
||||
module Libraries.Data.Ordering.Extra
|
||||
|
||||
%default total
|
||||
|
||||
infixl 5 `thenCmp`
|
||||
|
||||
export
|
||||
thenCmp : Ordering -> Lazy Ordering -> Ordering
|
||||
thenCmp LT _ = LT
|
||||
thenCmp EQ o = o
|
||||
thenCmp GT _ = GT
|
||||
71
src/Libraries/Data/SnocList/HasLength.idr
Normal file
71
src/Libraries/Data/SnocList/HasLength.idr
Normal file
@ -0,0 +1,71 @@
|
||||
module Libraries.Data.SnocList.HasLength
|
||||
|
||||
import Data.Nat
|
||||
|
||||
---------------------------------------
|
||||
-- horrible hack
|
||||
import Libraries.Data.List.HasLength as L
|
||||
|
||||
public export
|
||||
LHasLength : Nat -> List a -> Type
|
||||
LHasLength = L.HasLength
|
||||
%hide L.HasLength
|
||||
---------------------------------------
|
||||
|
||||
public export
|
||||
data HasLength : Nat -> SnocList a -> Type where
|
||||
Z : HasLength Z [<]
|
||||
S : HasLength n sa -> HasLength (S n) (sa :< a)
|
||||
|
||||
export
|
||||
hasLength : HasLength n sx -> length sx === n
|
||||
hasLength Z = Refl
|
||||
hasLength (S p) = cong S (hasLength p)
|
||||
|
||||
export
|
||||
sucL : HasLength n sx -> HasLength (S n) ([<x] ++ sx)
|
||||
sucL Z = S Z
|
||||
sucL (S n) = S (sucL n)
|
||||
|
||||
export
|
||||
hlAppend : HasLength m sx -> HasLength n sy -> HasLength (n + m) (sx ++ sy)
|
||||
hlAppend sx Z = sx
|
||||
hlAppend sx (S sy) = S (hlAppend sx sy)
|
||||
|
||||
export
|
||||
hlFish : HasLength m sx -> LHasLength n ys -> HasLength (n + m) (sx <>< ys)
|
||||
hlFish x Z = x
|
||||
hlFish {n = S n} x (S y) = rewrite plusSuccRightSucc n m in hlFish (S x) y
|
||||
|
||||
export
|
||||
mkHasLength : (sx : SnocList a) -> HasLength (length sx) sx
|
||||
mkHasLength [<] = Z
|
||||
mkHasLength (sx :< _) = S (mkHasLength sx)
|
||||
|
||||
export
|
||||
hlChips : HasLength m sx -> LHasLength n ys -> LHasLength (m + n) (sx <>> ys)
|
||||
hlChips Z y = y
|
||||
hlChips {m = S m} {n} (S x) y
|
||||
= rewrite plusSuccRightSucc m n in
|
||||
hlChips x (S y)
|
||||
|
||||
{-
|
||||
export
|
||||
take : (n : Nat) -> (sx : Stream a) -> HasLength n (take n sx)
|
||||
take Z _ = Z
|
||||
take (S n) (x :: sx) = S (take n sx)
|
||||
-}
|
||||
|
||||
export
|
||||
cast : {sy : _} -> (0 _ : SnocList.length sx = SnocList.length sy) ->
|
||||
HasLength m sx -> HasLength m sy
|
||||
cast {sy = [<]} eq Z = Z
|
||||
cast {sy = sy :< _} eq (S p) = S (cast (injective eq) p)
|
||||
|
||||
hlReverseOnto : HasLength m acc -> HasLength n sx -> HasLength (m + n) (reverseOnto acc sx)
|
||||
hlReverseOnto p Z = rewrite plusZeroRightNeutral m in p
|
||||
hlReverseOnto {n = S n} p (S q) = rewrite sym (plusSuccRightSucc m n) in hlReverseOnto (S p) q
|
||||
|
||||
export
|
||||
hlReverse : HasLength m acc -> HasLength m (reverse acc)
|
||||
hlReverse = hlReverseOnto Z
|
||||
32
src/Libraries/Data/SnocList/LengthMatch.idr
Normal file
32
src/Libraries/Data/SnocList/LengthMatch.idr
Normal file
@ -0,0 +1,32 @@
|
||||
module Libraries.Data.SnocList.LengthMatch
|
||||
|
||||
%default total
|
||||
|
||||
public export
|
||||
data LengthMatch : SnocList a -> SnocList b -> Type where
|
||||
LinMatch : LengthMatch [<] [<]
|
||||
SnocMatch : LengthMatch xs ys -> LengthMatch (xs :< x) (ys :< y)
|
||||
|
||||
export
|
||||
checkLengthMatch : (xs : SnocList a) -> (ys : SnocList b) ->
|
||||
Maybe (LengthMatch xs ys)
|
||||
checkLengthMatch [<] [<] = Just LinMatch
|
||||
checkLengthMatch [<] (_ :< _) = Nothing
|
||||
checkLengthMatch (_ :< _) [<] = Nothing
|
||||
checkLengthMatch (xs :< _) (ys :< _)
|
||||
= Just (SnocMatch !(checkLengthMatch xs ys))
|
||||
|
||||
export
|
||||
lengthsMatch : LengthMatch xs ys -> (length xs) = (length ys)
|
||||
lengthsMatch LinMatch = Refl
|
||||
lengthsMatch (SnocMatch x) = cong S (lengthsMatch x)
|
||||
|
||||
export
|
||||
reverseOnto : LengthMatch sx sy -> LengthMatch sx' sy' ->
|
||||
LengthMatch (reverseOnto sx sx') (reverseOnto sy sy')
|
||||
reverseOnto p LinMatch = p
|
||||
reverseOnto p (SnocMatch x) = reverseOnto (SnocMatch p) x
|
||||
|
||||
export
|
||||
reverse : LengthMatch sx sy -> LengthMatch (reverse sx) (reverse sy)
|
||||
reverse = reverseOnto LinMatch
|
||||
92
src/Libraries/Data/SnocList/SizeOf.idr
Normal file
92
src/Libraries/Data/SnocList/SizeOf.idr
Normal file
@ -0,0 +1,92 @@
|
||||
module Libraries.Data.SnocList.SizeOf
|
||||
|
||||
import Data.List
|
||||
import Data.SnocList
|
||||
import Libraries.Data.List.HasLength
|
||||
import Libraries.Data.SnocList.HasLength
|
||||
|
||||
---------------------------------------
|
||||
-- horrible hack
|
||||
import Libraries.Data.List.SizeOf as L
|
||||
|
||||
public export
|
||||
0 LSizeOf : {0 a : Type} -> List a -> Type
|
||||
LSizeOf xs = L.SizeOf xs
|
||||
|
||||
%hide L.SizeOf
|
||||
---------------------------------------
|
||||
|
||||
%default total
|
||||
|
||||
public export
|
||||
record SizeOf {a : Type} (sx : SnocList a) where
|
||||
constructor MkSizeOf
|
||||
size : Nat
|
||||
0 hasLength : HasLength size sx
|
||||
|
||||
export
|
||||
0 theList : SizeOf {a} sx -> SnocList a
|
||||
theList _ = sx
|
||||
|
||||
public export
|
||||
Lin : SizeOf [<]
|
||||
Lin = MkSizeOf Z Z
|
||||
|
||||
public export
|
||||
(:<) : SizeOf as -> (0 a : _) -> SizeOf (as :< a)
|
||||
MkSizeOf n p :< _ = MkSizeOf (S n) (S p)
|
||||
|
||||
-- ||| suc but from the left
|
||||
export
|
||||
sucL : SizeOf as -> SizeOf ([<a] ++ as)
|
||||
sucL (MkSizeOf n p) = MkSizeOf (S n) (sucL p)
|
||||
|
||||
public export
|
||||
(<><) : SizeOf {a} sx -> LSizeOf {a} ys -> SizeOf (sx <>< ys)
|
||||
MkSizeOf m p <>< MkSizeOf n q = MkSizeOf (n + m) (hlFish p q)
|
||||
|
||||
public export
|
||||
(<>>) : SizeOf {a} sx -> LSizeOf {a} ys -> LSizeOf (sx <>> ys)
|
||||
MkSizeOf m p <>> MkSizeOf n q = MkSizeOf (m + n) (hlChips p q)
|
||||
|
||||
export
|
||||
cast : LSizeOf {a} xs -> SizeOf {a} (cast xs)
|
||||
cast = ([<] <><)
|
||||
|
||||
export
|
||||
(+) : SizeOf sx -> SizeOf sy -> SizeOf (sx ++ sy)
|
||||
MkSizeOf m p + MkSizeOf n q = MkSizeOf (n + m) (hlAppend p q)
|
||||
|
||||
export
|
||||
mkSizeOf : (sx : SnocList a) -> SizeOf sx
|
||||
mkSizeOf sx = MkSizeOf (length sx) (mkHasLength sx)
|
||||
|
||||
export
|
||||
reverse : SizeOf sx -> SizeOf (reverse sx)
|
||||
reverse (MkSizeOf n p) = MkSizeOf n (hlReverse p)
|
||||
|
||||
export
|
||||
map : SizeOf sx -> SizeOf (map f sx)
|
||||
map (MkSizeOf n p) = MkSizeOf n (cast (sym $ lengthMap sx) p) where
|
||||
|
||||
lengthMap : (sx : _) -> SnocList.length (map f sx) === SnocList.length sx
|
||||
lengthMap [<] = Refl
|
||||
lengthMap (sx :< x) = cong S (lengthMap sx)
|
||||
|
||||
{-
|
||||
export
|
||||
take : {n : Nat} -> {0 sx : Stream a} -> SizeOf (take n sx)
|
||||
take = MkSizeOf n (take n sx)
|
||||
-}
|
||||
|
||||
namespace SizedView
|
||||
|
||||
public export
|
||||
data SizedView : SizeOf as -> Type where
|
||||
Z : SizedView [<]
|
||||
S : (n : SizeOf as) -> SizedView (n :< a)
|
||||
|
||||
export
|
||||
sizedView : (p : SizeOf as) -> SizedView p
|
||||
sizedView (MkSizeOf Z Z) = Z
|
||||
sizedView (MkSizeOf (S n) (S p)) = S (MkSizeOf n p)
|
||||
@ -45,7 +45,7 @@ doPLetRenames ns drops (Bind fc n b sc)
|
||||
= case lookup n ns of
|
||||
Just (c, n') =>
|
||||
Bind fc n' (setMultiplicity b (c `lub` (multiplicity b)))
|
||||
(doPLetRenames ns (n' :: drops) (renameTop n' sc))
|
||||
(doPLetRenames ns (n' :: drops) (compat sc))
|
||||
Nothing => Bind fc n b (doPLetRenames ns drops sc)
|
||||
doPLetRenames ns drops sc = sc
|
||||
|
||||
@ -100,7 +100,7 @@ elabTermSub : {inner, vars : _} ->
|
||||
{auto o : Ref ROpts REPLOpts} ->
|
||||
Int -> ElabMode -> List ElabOpt ->
|
||||
NestedNames vars -> Env Term vars ->
|
||||
Env Term inner -> SubVars inner vars ->
|
||||
Env Term inner -> Thin inner vars ->
|
||||
RawImp -> Maybe (Glued vars) ->
|
||||
Core (Term vars, Glued vars)
|
||||
elabTermSub {vars} defining mode opts nest env env' sub tm ty
|
||||
@ -222,7 +222,7 @@ elabTerm : {vars : _} ->
|
||||
RawImp -> Maybe (Glued vars) ->
|
||||
Core (Term vars, Glued vars)
|
||||
elabTerm defining mode opts nest env tm ty
|
||||
= elabTermSub defining mode opts nest env env SubRefl tm ty
|
||||
= elabTermSub defining mode opts nest env env Refl tm ty
|
||||
|
||||
export
|
||||
checkTermSub : {inner, vars : _} ->
|
||||
@ -233,7 +233,7 @@ checkTermSub : {inner, vars : _} ->
|
||||
{auto o : Ref ROpts REPLOpts} ->
|
||||
Int -> ElabMode -> List ElabOpt ->
|
||||
NestedNames vars -> Env Term vars ->
|
||||
Env Term inner -> SubVars inner vars ->
|
||||
Env Term inner -> Thin inner vars ->
|
||||
RawImp -> Glued vars ->
|
||||
Core (Term vars)
|
||||
checkTermSub defining mode opts nest env env' sub tm ty
|
||||
@ -290,4 +290,4 @@ checkTerm : {vars : _} ->
|
||||
RawImp -> Glued vars ->
|
||||
Core (Term vars)
|
||||
checkTerm defining mode opts nest env tm ty
|
||||
= checkTermSub defining mode opts nest env env SubRefl tm ty
|
||||
= checkTermSub defining mode opts nest env env Refl tm ty
|
||||
|
||||
@ -178,7 +178,7 @@ checkLambda rig_in elabinfo nest env fc rigl info n argTy scope (Just expty_in)
|
||||
(scopev, scopet) <-
|
||||
inScope fc env' (\e' =>
|
||||
check {e=e'} rig elabinfo nest' env' scope
|
||||
(Just (gnf env' (renameTop n psc))))
|
||||
(Just (gnf env' (compat psc))))
|
||||
logTermNF "elab.binder" 10 "Lambda type" env exptynf
|
||||
logGlueNF "elab.binder" 10 "Got scope type" env' scopet
|
||||
|
||||
|
||||
@ -32,8 +32,8 @@ import Libraries.Data.WithDefault
|
||||
|
||||
export
|
||||
changeVar : (old : Var vs) -> (new : Var vs) -> Term vs -> Term vs
|
||||
changeVar (MkVar {i=x} old) (MkVar new) (Local fc r idx p)
|
||||
= if x == idx
|
||||
changeVar old (MkVar new) (Local fc r idx p)
|
||||
= if old == MkVar p
|
||||
then Local fc r _ new
|
||||
else Local fc r _ p
|
||||
changeVar old new (Meta fc nm i args)
|
||||
@ -105,7 +105,7 @@ merge : {vs : List Name} ->
|
||||
List (Var vs) -> List (Var vs) -> List (Var vs)
|
||||
merge [] xs = xs
|
||||
merge (v :: vs) xs
|
||||
= merge vs (v :: filter (not . sameVar v) xs)
|
||||
= merge vs (v :: filter (v /=) xs)
|
||||
|
||||
-- Extend the list of variables we need in the environment so far, removing
|
||||
-- duplicates
|
||||
@ -119,10 +119,6 @@ extendNeeded (PLet _ _ ty val) env needed
|
||||
extendNeeded b env needed
|
||||
= merge (findUsedLocs env (binderType b)) needed
|
||||
|
||||
isNeeded : Nat -> List (Var vs) -> Bool
|
||||
isNeeded x [] = False
|
||||
isNeeded x (MkVar {i} _ :: xs) = x == i || isNeeded x xs
|
||||
|
||||
findScrutinee : {vs : _} ->
|
||||
Env Term vs -> RawImp -> Maybe (Var vs)
|
||||
findScrutinee {vs = n' :: _} (b :: bs) (IVar loc' n)
|
||||
@ -151,7 +147,7 @@ bindCaseLocals fc ((n, mn, envns) :: rest) argns rhs
|
||||
getArg (x :: xs) (S k) = getArg xs k
|
||||
|
||||
getNameFrom : Var vars -> Name
|
||||
getNameFrom (MkVar {i} _)
|
||||
getNameFrom (MkVar {varIdx = i} _)
|
||||
= case getArg argns i of
|
||||
Nothing => n
|
||||
Just n' => n'
|
||||
@ -333,7 +329,7 @@ caseBlock {vars} rigc elabinfo fc nest env opts scr scrtm scrty caseRig alts exp
|
||||
RawImp -> List RawImp ->
|
||||
List RawImp
|
||||
mkSplit Nothing lhs args = reverse (lhs :: args)
|
||||
mkSplit (Just (MkVar {i} prf)) lhs args
|
||||
mkSplit (Just (MkVar {varIdx = i} prf)) lhs args
|
||||
= reverse (replace i lhs args)
|
||||
|
||||
-- Names used in the pattern we're matching on, so don't bind them
|
||||
|
||||
@ -121,7 +121,7 @@ record EState (vars : List Name) where
|
||||
-- be considered parametric as far as case expression elaboration goes, and are
|
||||
-- the only things that unbound implicits can depend on
|
||||
outerEnv : Env Term outer
|
||||
subEnv : SubVars outer vars
|
||||
subEnv : Thin outer vars
|
||||
boundNames : List (Name, ImplBinding vars)
|
||||
-- implicit pattern/type variable bindings and the
|
||||
-- term/type they elaborated to
|
||||
@ -132,7 +132,7 @@ record EState (vars : List Name) where
|
||||
-- the RHS)
|
||||
bindIfUnsolved : List (Name, RigCount,
|
||||
(vars' ** (Env Term vars', PiInfo (Term vars'),
|
||||
Term vars', Term vars', SubVars outer vars')))
|
||||
Term vars', Term vars', Thin outer vars')))
|
||||
-- names to add as unbound implicits if they are still holes
|
||||
-- when unbound implicits are added
|
||||
lhsPatVars : List Name
|
||||
@ -160,7 +160,7 @@ data EST : Type where
|
||||
|
||||
export
|
||||
initEStateSub : {outer : _} ->
|
||||
Int -> Env Term outer -> SubVars outer vars -> EState vars
|
||||
Int -> Env Term outer -> Thin outer vars -> EState vars
|
||||
initEStateSub n env sub = MkEState
|
||||
{ defining = n
|
||||
, outerEnv = env
|
||||
@ -180,7 +180,7 @@ initEStateSub n env sub = MkEState
|
||||
export
|
||||
initEState : {vars : _} ->
|
||||
Int -> Env Term vars -> EState vars
|
||||
initEState n env = initEStateSub n env SubRefl
|
||||
initEState n env = initEStateSub n env Refl
|
||||
|
||||
export
|
||||
saveHole : {auto e : Ref EST (EState vars)} ->
|
||||
@ -193,7 +193,7 @@ weakenedEState : {n, vars : _} ->
|
||||
weakenedEState {e}
|
||||
= do est <- get EST
|
||||
eref <- newRef EST $
|
||||
{ subEnv $= DropCons
|
||||
{ subEnv $= Drop
|
||||
, boundNames $= map wknTms
|
||||
, toBind $= map wknTms
|
||||
, linearUsed $= map weaken
|
||||
@ -227,8 +227,8 @@ strengthenedEState {n} {vars} c e fc env
|
||||
} est
|
||||
|
||||
where
|
||||
dropSub : SubVars xs (y :: ys) -> Core (SubVars xs ys)
|
||||
dropSub (DropCons sub) = pure sub
|
||||
dropSub : Thin xs (y :: ys) -> Core (Thin xs ys)
|
||||
dropSub (Drop sub) = pure sub
|
||||
dropSub _ = throw (InternalError "Badly formed weakened environment")
|
||||
|
||||
-- Remove any instance of the top level local variable from an
|
||||
@ -246,7 +246,7 @@ strengthenedEState {n} {vars} c e fc env
|
||||
removeArgVars (Local fc r Z p :: args)
|
||||
= removeArgVars args
|
||||
removeArgVars (a :: args)
|
||||
= do a' <- shrinkTerm a (DropCons SubRefl)
|
||||
= do a' <- shrink a (Drop Refl)
|
||||
args' <- removeArgVars args
|
||||
pure (a' :: args')
|
||||
|
||||
@ -255,7 +255,7 @@ strengthenedEState {n} {vars} c e fc env
|
||||
= case getFnArgs tm of
|
||||
(f, args) =>
|
||||
do args' <- removeArgVars args
|
||||
f' <- shrinkTerm f (DropCons SubRefl)
|
||||
f' <- shrink f (Drop Refl)
|
||||
pure (apply (getLoc f) f' args')
|
||||
|
||||
strTms : Defs -> (Name, ImplBinding (n :: vars)) ->
|
||||
@ -263,9 +263,9 @@ strengthenedEState {n} {vars} c e fc env
|
||||
strTms defs (f, NameBinding c p x y)
|
||||
= do xnf <- normaliseHoles defs env x
|
||||
ynf <- normaliseHoles defs env y
|
||||
case (shrinkPi p (DropCons SubRefl),
|
||||
case (shrinkPi p (Drop Refl),
|
||||
removeArg xnf,
|
||||
shrinkTerm ynf (DropCons SubRefl)) of
|
||||
shrink ynf (Drop Refl)) of
|
||||
(Just p', Just x', Just y') =>
|
||||
pure (f, NameBinding c p' x' y')
|
||||
_ => throw (BadUnboundImplicit fc env f y)
|
||||
@ -273,10 +273,10 @@ strengthenedEState {n} {vars} c e fc env
|
||||
= do xnf <- normaliseHoles defs env x
|
||||
ynf <- normaliseHoles defs env y
|
||||
znf <- normaliseHoles defs env z
|
||||
case (shrinkPi p (DropCons SubRefl),
|
||||
shrinkTerm xnf (DropCons SubRefl),
|
||||
shrinkTerm ynf (DropCons SubRefl),
|
||||
shrinkTerm znf (DropCons SubRefl)) of
|
||||
case (shrinkPi p (Drop Refl),
|
||||
shrink xnf (Drop Refl),
|
||||
shrink ynf (Drop Refl),
|
||||
shrink znf (Drop Refl)) of
|
||||
(Just p', Just x', Just y', Just z') =>
|
||||
pure (f, AsBinding c p' x' y' z')
|
||||
_ => throw (BadUnboundImplicit fc env f y)
|
||||
@ -321,10 +321,10 @@ concrete defs env _ = pure False
|
||||
|
||||
export
|
||||
updateEnv : {new : _} ->
|
||||
Env Term new -> SubVars new vars ->
|
||||
Env Term new -> Thin new vars ->
|
||||
List (Name, RigCount,
|
||||
(vars' ** (Env Term vars', PiInfo (Term vars'),
|
||||
Term vars', Term vars', SubVars new vars'))) ->
|
||||
Term vars', Term vars', Thin new vars'))) ->
|
||||
EState vars -> EState vars
|
||||
updateEnv env sub bif st
|
||||
= { outerEnv := env
|
||||
|
||||
@ -39,13 +39,13 @@ mkOuterHole loc rig n topenv (Just expty_in)
|
||||
= do est <- get EST
|
||||
let sub = subEnv est
|
||||
expected <- getTerm expty_in
|
||||
case shrinkTerm expected sub of
|
||||
case shrink expected sub of
|
||||
-- Can't shrink so rely on unification with expected type later
|
||||
Nothing => mkOuterHole loc rig n topenv Nothing
|
||||
Just exp' =>
|
||||
do let env = outerEnv est
|
||||
tm <- implBindVar loc rig env n exp'
|
||||
pure (embedSub sub tm, embedSub sub exp')
|
||||
pure (thin tm sub, thin exp' sub)
|
||||
mkOuterHole loc rig n topenv Nothing
|
||||
= do est <- get EST
|
||||
let sub = subEnv est
|
||||
@ -54,9 +54,9 @@ mkOuterHole loc rig n topenv Nothing
|
||||
u <- uniVar loc
|
||||
ty <- metaVar loc erased env nm (TType loc u)
|
||||
log "elab.implicits" 10 $ "Made metavariable for type of " ++ show n ++ ": " ++ show nm
|
||||
put EST (addBindIfUnsolved nm rig Explicit topenv (embedSub sub ty) (TType loc u) est)
|
||||
put EST (addBindIfUnsolved nm rig Explicit topenv (thin ty sub) (TType loc u) est)
|
||||
tm <- implBindVar loc rig env n ty
|
||||
pure (embedSub sub tm, embedSub sub ty)
|
||||
pure (thin tm sub, thin ty sub)
|
||||
|
||||
-- Make a hole standing for the pattern variable, which we'll instantiate
|
||||
-- with a bound pattern variable later.
|
||||
@ -83,23 +83,24 @@ mkPatternHole {vars'} loc rig n topenv imode (Just expty_in)
|
||||
Nothing => mkPatternHole loc rig n topenv imode Nothing
|
||||
Just exp' =>
|
||||
do tm <- implBindVar loc rig env n exp'
|
||||
pure (apply loc (embedSub sub tm) (mkArgs sub),
|
||||
pure (apply loc (thin tm sub) (mkArgs sub),
|
||||
expected,
|
||||
embedSub sub exp')
|
||||
thin exp' sub)
|
||||
where
|
||||
mkArgs : {vs : _} -> SubVars newvars vs -> List (Term vs)
|
||||
mkArgs SubRefl = []
|
||||
mkArgs (DropCons p) = Local loc Nothing 0 First :: map weaken (mkArgs p)
|
||||
-- TODO: generalise and get rid of (map weaken)
|
||||
mkArgs : {vs : _} -> Thin newvars vs -> List (Term vs)
|
||||
mkArgs Refl = []
|
||||
mkArgs (Drop p) = Local loc Nothing 0 First :: map weaken (mkArgs p)
|
||||
mkArgs _ = []
|
||||
|
||||
-- This is for the specific situation where we're pattern matching on
|
||||
-- function types, which is realistically the only time we'll legitimately
|
||||
-- encounter a type variable under a binder
|
||||
bindInner : {vs : _} ->
|
||||
Env Term vs -> Term vs -> SubVars newvars vs ->
|
||||
Env Term vs -> Term vs -> Thin newvars vs ->
|
||||
Maybe (Term newvars)
|
||||
bindInner env ty SubRefl = Just ty
|
||||
bindInner {vs = x :: _} (b :: env) ty (DropCons p)
|
||||
bindInner env ty Refl = Just ty
|
||||
bindInner {vs = x :: _} (b :: env) ty (Drop p)
|
||||
= bindInner env (Bind loc x b ty) p
|
||||
bindInner _ _ _ = Nothing
|
||||
|
||||
@ -136,10 +137,10 @@ bindUnsolved {vars} fc elabmode _
|
||||
where
|
||||
makeBoundVar : {outer, vs : _} ->
|
||||
Name -> RigCount -> PiInfo (Term vs) -> Env Term outer ->
|
||||
SubVars outer vs -> SubVars outer vars ->
|
||||
Thin outer vs -> Thin outer vars ->
|
||||
Term vs -> Core (Term vs)
|
||||
makeBoundVar n rig p env sub subvars expected
|
||||
= case shrinkTerm expected sub of
|
||||
= case shrink expected sub of
|
||||
Nothing => do tmn <- toFullNames expected
|
||||
throw (GenericMsg fc ("Can't bind implicit " ++ show n ++ " of type " ++ show tmn))
|
||||
Just exp' =>
|
||||
@ -147,14 +148,14 @@ bindUnsolved {vars} fc elabmode _
|
||||
tm <- metaVar fc rig env impn exp'
|
||||
let p' : PiInfo (Term vars) = forgetDef p
|
||||
update EST { toBind $= ((impn, NameBinding rig p'
|
||||
(embedSub subvars tm)
|
||||
(embedSub subvars exp')) ::) }
|
||||
pure (embedSub sub tm)
|
||||
(thin tm subvars)
|
||||
(thin exp' subvars)) ::) }
|
||||
pure (thin tm sub)
|
||||
|
||||
mkImplicit : {outer : _} ->
|
||||
Defs -> Env Term outer -> SubVars outer vars ->
|
||||
Defs -> Env Term outer -> Thin outer vars ->
|
||||
(Name, RigCount, (vars' **
|
||||
(Env Term vars', PiInfo (Term vars'), Term vars', Term vars', SubVars outer vars'))) ->
|
||||
(Env Term vars', PiInfo (Term vars'), Term vars', Term vars', Thin outer vars'))) ->
|
||||
Core ()
|
||||
mkImplicit defs outerEnv subEnv (n, rig, (vs ** (env, p, tm, exp, sub)))
|
||||
= do Just (Hole _ _) <- lookupDefExact n (gamma defs)
|
||||
@ -213,7 +214,7 @@ swapVars (TType fc u) = TType fc u
|
||||
push : {vs : _} ->
|
||||
FC -> (n : Name) -> Binder (Term vs) -> Term (n :: vs) -> Term vs
|
||||
push ofc n b tm@(Bind fc (PV x i) (Pi fc' c Implicit ty) sc) -- only push past 'PV's
|
||||
= case shrinkTerm ty (DropCons SubRefl) of
|
||||
= case shrink ty (Drop Refl) of
|
||||
Nothing => -- needs explicit pi, do nothing
|
||||
Bind ofc n b tm
|
||||
Just ty' => Bind fc (PV x i) (Pi fc' c Implicit ty')
|
||||
@ -549,7 +550,7 @@ checkBindHere rig elabinfo nest env fc bindmode tm exp
|
||||
let dontbind = map fst (toBind est)
|
||||
-- Set the binding environment in the elab state - unbound
|
||||
-- implicits should have access to whatever is in scope here
|
||||
put EST (updateEnv env SubRefl [] est)
|
||||
put EST (updateEnv env Refl [] est)
|
||||
constart <- getNextEntry
|
||||
(tmv, tmt) <- check rig ({ implicitMode := bindmode,
|
||||
bindingVars := True }
|
||||
|
||||
@ -83,39 +83,39 @@ plicit _ = Explicit
|
||||
|
||||
export
|
||||
bindNotReq : {vs : _} ->
|
||||
FC -> Int -> Env Term vs -> (sub : SubVars pre vs) ->
|
||||
FC -> Int -> Env Term vs -> (sub : Thin pre vs) ->
|
||||
List (PiInfo RawImp, Name) ->
|
||||
Term vs -> (List (PiInfo RawImp, Name), Term pre)
|
||||
bindNotReq fc i [] SubRefl ns tm = (ns, embed tm)
|
||||
bindNotReq fc i (b :: env) SubRefl ns tm
|
||||
bindNotReq fc i [] Refl ns tm = (ns, embed tm)
|
||||
bindNotReq fc i (b :: env) Refl ns tm
|
||||
= let tmptm = subst (Ref fc Bound (MN "arg" i)) tm
|
||||
(ns', btm) = bindNotReq fc (1 + i) env SubRefl ns tmptm in
|
||||
(ns', btm) = bindNotReq fc (1 + i) env Refl ns tmptm in
|
||||
(ns', refToLocal (MN "arg" i) _ btm)
|
||||
bindNotReq fc i (b :: env) (KeepCons p) ns tm
|
||||
bindNotReq fc i (b :: env) (Keep p) ns tm
|
||||
= let tmptm = subst (Ref fc Bound (MN "arg" i)) tm
|
||||
(ns', btm) = bindNotReq fc (1 + i) env p ns tmptm in
|
||||
(ns', refToLocal (MN "arg" i) _ btm)
|
||||
bindNotReq {vs = n :: _} fc i (b :: env) (DropCons p) ns tm
|
||||
bindNotReq {vs = n :: _} fc i (b :: env) (Drop p) ns tm
|
||||
= bindNotReq fc i env p ((plicit b, n) :: ns)
|
||||
(Bind fc _ (Pi (binderLoc b) (multiplicity b) Explicit (binderType b)) tm)
|
||||
|
||||
export
|
||||
bindReq : {vs : _} ->
|
||||
FC -> Env Term vs -> (sub : SubVars pre vs) ->
|
||||
FC -> Env Term vs -> (sub : Thin pre vs) ->
|
||||
List (PiInfo RawImp, Name) ->
|
||||
Term pre -> Maybe (List (PiInfo RawImp, Name), List Name, ClosedTerm)
|
||||
bindReq {vs} fc env SubRefl ns tm
|
||||
bindReq {vs} fc env Refl ns tm
|
||||
= pure (ns, notLets [] _ env, abstractEnvType fc env tm)
|
||||
where
|
||||
notLets : List Name -> (vars : List Name) -> Env Term vars -> List Name
|
||||
notLets acc [] _ = acc
|
||||
notLets acc (v :: vs) (b :: env) = if isLet b then notLets acc vs env
|
||||
else notLets (v :: acc) vs env
|
||||
bindReq {vs = n :: _} fc (b :: env) (KeepCons p) ns tm
|
||||
bindReq {vs = n :: _} fc (b :: env) (Keep p) ns tm
|
||||
= do b' <- shrinkBinder b p
|
||||
bindReq fc env p ((plicit b, n) :: ns)
|
||||
(Bind fc _ (Pi (binderLoc b) (multiplicity b) Explicit (binderType b')) tm)
|
||||
bindReq fc (b :: env) (DropCons p) ns tm
|
||||
bindReq fc (b :: env) (Drop p) ns tm
|
||||
= bindReq fc env p ns tm
|
||||
|
||||
-- This machinery is to calculate whether any top level argument is used
|
||||
|
||||
@ -151,7 +151,7 @@ getAllEnv : {vars : _} -> FC ->
|
||||
getAllEnv fc done [] = []
|
||||
getAllEnv {vars = v :: vs} {done} fc p (b :: env)
|
||||
= let rest = getAllEnv fc (sucR p) env
|
||||
MkVar var = weakenVar p (MkVar First)
|
||||
0 var = mkIsVar (hasLength p)
|
||||
usable = usableName v in
|
||||
if usable
|
||||
then (Local fc Nothing _ var,
|
||||
@ -504,14 +504,14 @@ searchLocalWith {vars} fc nofn rig opts hints env ((p, pty) :: rest) ty topty
|
||||
getSuccessful fc rig opts False env ty topty
|
||||
[(do xtynf <- evalClosure defs xty
|
||||
findPos defs prf
|
||||
(\arg => applyWithFC (Ref fc Func fname)
|
||||
(\arg => applyStackWithFC (Ref fc Func fname)
|
||||
[(fc1, xtytm),
|
||||
(fc2, ytytm),
|
||||
(fc, f arg)])
|
||||
xtynf target),
|
||||
(do ytynf <- evalClosure defs yty
|
||||
findPos defs prf
|
||||
(\arg => applyWithFC (Ref fc Func sname)
|
||||
(\arg => applyStackWithFC (Ref fc Func sname)
|
||||
[(fc1, xtytm),
|
||||
(fc2, ytytm),
|
||||
(fc, f arg)])
|
||||
@ -554,7 +554,7 @@ makeHelper fc rig opts env letty targetty ((locapp, ds) :: next)
|
||||
helpern <- inCurrentNS helpern_in
|
||||
let env' = Lam fc top Explicit letty :: env
|
||||
scopeMeta <- metaVar fc top env' helpern
|
||||
(weaken {n = intn} targetty)
|
||||
(weaken targetty)
|
||||
let scope = toApp scopeMeta
|
||||
updateDef helpern (const (Just None))
|
||||
-- Apply the intermediate result to the helper function we're
|
||||
@ -712,7 +712,7 @@ searchType {vars} fc rig opts hints env topty Z (Bind bfc n b@(Pi fc' c info ty)
|
||||
(do defs <- get Ctxt
|
||||
let n' = UN $ Basic !(getArgName defs n [] vars !(nf defs env ty))
|
||||
let env' : Env Term (n' :: _) = b :: env
|
||||
let sc' = renameTop n' sc
|
||||
let sc' = compat sc
|
||||
log "interaction.search" 10 $ "Introduced lambda, search for " ++ show sc'
|
||||
scVal <- searchType fc rig opts hints env' topty Z sc'
|
||||
pure (map (\ (sc, ds) =>
|
||||
|
||||
@ -50,10 +50,10 @@ getArgs {vars} env (S k) (Bind _ x b@(Pi _ c _ ty) sc)
|
||||
= do defs <- get Ctxt
|
||||
ty' <- map (map rawName) $ unelab env !(normalise defs env ty)
|
||||
let x' = UN $ Basic !(uniqueBasicName defs (map nameRoot vars) (nameRoot x))
|
||||
(sc', ty) <- getArgs (b :: env) k (renameTop x' sc)
|
||||
(sc', ty) <- getArgs (b :: env) k (compat {n = x'} sc)
|
||||
-- Don't need to use the name if it's not used in the scope type
|
||||
let mn = if c == top
|
||||
then case shrinkTerm sc (DropCons SubRefl) of
|
||||
then case shrink sc (Drop Refl) of
|
||||
Nothing => Just x'
|
||||
_ => Nothing
|
||||
else Just x'
|
||||
|
||||
@ -256,7 +256,7 @@ mkSpecDef {vars} fc gdef pename sargs fn stk
|
||||
= mapMaybe (\ (x, s) => case s of
|
||||
Dynamic => Nothing
|
||||
Static t => Just (x, t)) sargs
|
||||
let peapp = applyWithFC (Ref fc Func pename) (dropSpec 0 staticargs stk)
|
||||
let peapp = applyStackWithFC (Ref fc Func pename) (dropSpec 0 staticargs stk)
|
||||
Nothing <- lookupCtxtExact pename (gamma defs)
|
||||
| Just _ => -- already specialised
|
||||
do log "specialise" 5 $ "Already specialised " ++ show pename
|
||||
@ -297,7 +297,7 @@ mkSpecDef {vars} fc gdef pename sargs fn stk
|
||||
setFlag fc (Resolved peidx) (PartialEval (specLimits ++ toList reds))
|
||||
|
||||
let PMDef pminfo pmargs ct tr pats = definition gdef
|
||||
| _ => pure (applyWithFC (Ref fc Func fn) stk)
|
||||
| _ => pure (applyStackWithFC (Ref fc Func fn) stk)
|
||||
logC "specialise" 5 $
|
||||
do inpats <- traverse unelabDef pats
|
||||
pure $ "Attempting to specialise:\n" ++
|
||||
@ -305,7 +305,7 @@ mkSpecDef {vars} fc gdef pename sargs fn stk
|
||||
|
||||
Just newpats <- getSpecPats fc pename fn stk !(nf defs [] (type gdef))
|
||||
sargs staticargs pats
|
||||
| Nothing => pure (applyWithFC (Ref fc Func fn) stk)
|
||||
| Nothing => pure (applyStackWithFC (Ref fc Func fn) stk)
|
||||
log "specialise" 5 $ "New patterns for " ++ show pename ++ ":\n" ++
|
||||
showSep "\n" (map showPat newpats)
|
||||
processDecl [InPartialEval] (MkNested []) []
|
||||
@ -321,7 +321,7 @@ mkSpecDef {vars} fc gdef pename sargs fn stk
|
||||
fn <- toFullNames fn
|
||||
pure "Partial evaluation of \{show fn} failed:\n\{show err}"
|
||||
update Ctxt { peFailures $= insert pename () }
|
||||
pure (applyWithFC (Ref fc Func fn) stk))
|
||||
pure (applyStackWithFC (Ref fc Func fn) stk))
|
||||
where
|
||||
|
||||
identityFlag : List (Nat, ArgMode) -> Nat -> Maybe Nat
|
||||
@ -423,13 +423,9 @@ specialise {vars} fc env gdef fn stk
|
||||
Nothing => Just <$> mkSpecDef fc gdef pename sargs fn stk
|
||||
Just _ => pure Nothing
|
||||
where
|
||||
dropAll : {vs : _} -> SubVars [] vs
|
||||
dropAll {vs = []} = SubRefl
|
||||
dropAll {vs = v :: vs} = DropCons dropAll
|
||||
|
||||
concrete : {vars : _} ->
|
||||
Term vars -> Maybe (Term [])
|
||||
concrete tm = shrinkTerm tm dropAll
|
||||
concrete tm = shrink tm none
|
||||
|
||||
getSpecArgs : Nat -> List Nat -> List (FC, Term vars) ->
|
||||
Core (Maybe (List (Nat, ArgMode)))
|
||||
@ -457,31 +453,31 @@ findSpecs : {vars : _} ->
|
||||
findSpecs env stk (Ref fc Func fn)
|
||||
= do defs <- get Ctxt
|
||||
Just gdef <- lookupCtxtExact fn (gamma defs)
|
||||
| Nothing => pure (applyWithFC (Ref fc Func fn) stk)
|
||||
| Nothing => pure (applyStackWithFC (Ref fc Func fn) stk)
|
||||
Just r <- specialise fc env gdef fn stk
|
||||
| Nothing => pure (applyWithFC (Ref fc Func fn) stk)
|
||||
| Nothing => pure (applyStackWithFC (Ref fc Func fn) stk)
|
||||
pure r
|
||||
findSpecs env stk (Meta fc n i args)
|
||||
= do args' <- traverse (findSpecs env []) args
|
||||
pure $ applyWithFC (Meta fc n i args') stk
|
||||
pure $ applyStackWithFC (Meta fc n i args') stk
|
||||
findSpecs env stk (Bind fc x b sc)
|
||||
= do b' <- traverse (findSpecs env []) b
|
||||
sc' <- findSpecs (b' :: env) [] sc
|
||||
pure $ applyWithFC (Bind fc x b' sc') stk
|
||||
pure $ applyStackWithFC (Bind fc x b' sc') stk
|
||||
findSpecs env stk (App fc fn arg)
|
||||
= do arg' <- findSpecs env [] arg
|
||||
findSpecs env ((fc, arg') :: stk) fn
|
||||
findSpecs env stk (TDelayed fc r tm)
|
||||
= do tm' <- findSpecs env [] tm
|
||||
pure $ applyWithFC (TDelayed fc r tm') stk
|
||||
pure $ applyStackWithFC (TDelayed fc r tm') stk
|
||||
findSpecs env stk (TDelay fc r ty tm)
|
||||
= do ty' <- findSpecs env [] ty
|
||||
tm' <- findSpecs env [] tm
|
||||
pure $ applyWithFC (TDelay fc r ty' tm') stk
|
||||
pure $ applyStackWithFC (TDelay fc r ty' tm') stk
|
||||
findSpecs env stk (TForce fc r tm)
|
||||
= do tm' <- findSpecs env [] tm
|
||||
pure $ applyWithFC (TForce fc r tm') stk
|
||||
findSpecs env stk tm = pure $ applyWithFC tm stk
|
||||
pure $ applyStackWithFC (TForce fc r tm') stk
|
||||
findSpecs env stk tm = pure $ applyStackWithFC tm stk
|
||||
|
||||
bName : {auto q : Ref QVar Int} -> String -> Core Name
|
||||
bName n
|
||||
@ -543,7 +539,7 @@ mutual
|
||||
MkVar (Later isv')
|
||||
quoteHead q defs fc bounds env (NRef Bound (MN n i))
|
||||
= case findName bounds of
|
||||
Just (MkVar p) => pure $ Local fc Nothing _ (varExtend p)
|
||||
Just (MkVar p) => pure $ Local fc Nothing _ (embedIsVar p)
|
||||
Nothing => pure $ Ref fc Bound (MN n i)
|
||||
where
|
||||
findName : Bounds bound' -> Maybe (Var bound')
|
||||
@ -632,10 +628,10 @@ mutual
|
||||
quoteGenNF q defs bound env (NApp fc (NRef Func fn) args)
|
||||
= do Just gdef <- lookupCtxtExact fn (gamma defs)
|
||||
| Nothing => do args' <- quoteArgsWithFC q defs bound env args
|
||||
pure $ applyWithFC (Ref fc Func fn) args'
|
||||
pure $ applyStackWithFC (Ref fc Func fn) args'
|
||||
case specArgs gdef of
|
||||
[] => do args' <- quoteArgsWithFC q defs bound env args
|
||||
pure $ applyWithFC (Ref fc Func fn) args'
|
||||
pure $ applyStackWithFC (Ref fc Func fn) args'
|
||||
_ => do empty <- clearDefs defs
|
||||
args' <- quoteArgsWithFC q defs bound env args
|
||||
Just r <- specialise fc (extendEnv bound env) gdef fn args'
|
||||
@ -643,7 +639,7 @@ mutual
|
||||
-- can't specialise, keep the arguments
|
||||
-- unreduced
|
||||
do args' <- quoteArgsWithFC q empty bound env args
|
||||
pure $ applyWithFC (Ref fc Func fn) args'
|
||||
pure $ applyStackWithFC (Ref fc Func fn) args'
|
||||
pure r
|
||||
where
|
||||
extendEnv : Bounds bs -> Env Term vs -> Env Term (bs ++ vs)
|
||||
@ -655,13 +651,13 @@ mutual
|
||||
quoteGenNF q defs bound env (NApp fc f args)
|
||||
= do f' <- quoteHead q defs fc bound env f
|
||||
args' <- quoteArgsWithFC q defs bound env args
|
||||
pure $ applyWithFC f' args'
|
||||
pure $ applyStackWithFC f' args'
|
||||
quoteGenNF q defs bound env (NDCon fc n t ar args)
|
||||
= do args' <- quoteArgsWithFC q defs bound env args
|
||||
pure $ applyWithFC (Ref fc (DataCon t ar) n) args'
|
||||
pure $ applyStackWithFC (Ref fc (DataCon t ar) n) args'
|
||||
quoteGenNF q defs bound env (NTCon fc n t ar args)
|
||||
= do args' <- quoteArgsWithFC q defs bound env args
|
||||
pure $ applyWithFC (Ref fc (TyCon t ar) n) args'
|
||||
pure $ applyStackWithFC (Ref fc (TyCon t ar) n) args'
|
||||
quoteGenNF q defs bound env (NAs fc s n pat)
|
||||
= do n' <- quoteGenNF q defs bound env n
|
||||
pat' <- quoteGenNF q defs bound env pat
|
||||
@ -686,9 +682,9 @@ mutual
|
||||
case arg of
|
||||
NDelay fc _ _ arg =>
|
||||
do argNF <- evalClosure defs arg
|
||||
pure $ applyWithFC !(quoteGenNF q defs bound env argNF) args'
|
||||
pure $ applyStackWithFC !(quoteGenNF q defs bound env argNF) args'
|
||||
_ => do arg' <- quoteGenNF q defs bound env arg
|
||||
pure $ applyWithFC (TForce fc r arg') args'
|
||||
pure $ applyStackWithFC (TForce fc r arg') args'
|
||||
quoteGenNF q defs bound env (NPrimVal fc c) = pure $ PrimVal fc c
|
||||
quoteGenNF q defs bound env (NErased fc Impossible) = pure $ Erased fc Impossible
|
||||
quoteGenNF q defs bound env (NErased fc Placeholder) = pure $ Erased fc Placeholder
|
||||
|
||||
@ -231,27 +231,27 @@ recoverableErr defs _ = pure False
|
||||
-- should check the RHS, the LHS and its type in that environment,
|
||||
-- and a function which turns a checked RHS into a
|
||||
-- pattern clause
|
||||
-- The 'SubVars' proof contains a proof that refers to the *inner* environment,
|
||||
-- so all the outer things are marked as 'DropCons'
|
||||
-- The 'Thin' proof contains a proof that refers to the *inner* environment,
|
||||
-- so all the outer things are marked as 'Drop'
|
||||
extendEnv : {vars : _} ->
|
||||
Env Term vars -> SubVars inner vars ->
|
||||
Env Term vars -> Thin inner vars ->
|
||||
NestedNames vars ->
|
||||
Term vars -> Term vars ->
|
||||
Core (vars' **
|
||||
(SubVars inner vars',
|
||||
(Thin inner vars',
|
||||
Env Term vars', NestedNames vars',
|
||||
Term vars', Term vars'))
|
||||
extendEnv env p nest (Bind _ n (PVar fc c pi tmty) sc) (Bind _ n' (PVTy _ _ _) tysc) with (nameEq n n')
|
||||
extendEnv env p nest (Bind _ n (PVar fc c pi tmty) sc) (Bind _ n' (PVTy _ _ _) tysc) | Nothing
|
||||
= throw (InternalError "Can't happen: names don't match in pattern type")
|
||||
extendEnv env p nest (Bind _ n (PVar fc c pi tmty) sc) (Bind _ n (PVTy _ _ _) tysc) | (Just Refl)
|
||||
= extendEnv (PVar fc c pi tmty :: env) (DropCons p) (weaken nest) sc tysc
|
||||
= extendEnv (PVar fc c pi tmty :: env) (Drop p) (weaken nest) sc tysc
|
||||
extendEnv env p nest (Bind _ n (PLet fc c tmval tmty) sc) (Bind _ n' (PLet _ _ _ _) tysc) with (nameEq n n')
|
||||
extendEnv env p nest (Bind _ n (PLet fc c tmval tmty) sc) (Bind _ n' (PLet _ _ _ _) tysc) | Nothing
|
||||
= throw (InternalError "Can't happen: names don't match in pattern type")
|
||||
-- PLet on the left becomes Let on the right, to give it computational force
|
||||
extendEnv env p nest (Bind _ n (PLet fc c tmval tmty) sc) (Bind _ n (PLet _ _ _ _) tysc) | (Just Refl)
|
||||
= extendEnv (Let fc c tmval tmty :: env) (DropCons p) (weaken nest) sc tysc
|
||||
= extendEnv (Let fc c tmval tmty :: env) (Drop p) (weaken nest) sc tysc
|
||||
extendEnv env p nest tm ty
|
||||
= pure (_ ** (p, env, nest, tm, ty))
|
||||
|
||||
@ -368,7 +368,7 @@ checkLHS : {vars : _} ->
|
||||
Int -> List ElabOpt -> NestedNames vars -> Env Term vars ->
|
||||
FC -> RawImp ->
|
||||
Core (RawImp, -- checked LHS with implicits added
|
||||
(vars' ** (SubVars vars vars',
|
||||
(vars' ** (Thin vars vars',
|
||||
Env Term vars', NestedNames vars',
|
||||
Term vars', Term vars')))
|
||||
checkLHS {vars} trans mult n opts nest env fc lhs_in
|
||||
@ -425,7 +425,7 @@ checkLHS {vars} trans mult n opts nest env fc lhs_in
|
||||
logTerm "declare.def.lhs" 5 "LHS type" lhsty_lin
|
||||
setHoleLHS (bindEnv fc env lhstm_lin)
|
||||
|
||||
ext <- extendEnv env SubRefl nest lhstm_lin lhsty_lin
|
||||
ext <- extendEnv env Refl nest lhstm_lin lhsty_lin
|
||||
pure (lhs, ext)
|
||||
|
||||
-- Return whether any of the pattern variables are in a trivially empty
|
||||
@ -539,9 +539,9 @@ checkClause {vars} mult vis totreq hashit n opts nest env
|
||||
logTerm "declare.def.clause.with" 5 "With value type" wvalTy
|
||||
log "declare.def.clause.with" 5 $ "Using vars " ++ show wevars
|
||||
|
||||
let Just wval = shrinkTerm wval withSub
|
||||
let Just wval = shrink wval withSub
|
||||
| Nothing => throw (InternalError "Impossible happened: With abstraction failure #1")
|
||||
let Just wvalTy = shrinkTerm wvalTy withSub
|
||||
let Just wvalTy = shrink wvalTy withSub
|
||||
| Nothing => throw (InternalError "Impossible happened: With abstraction failure #2")
|
||||
-- Should the env be normalised too? If the following 'impossible'
|
||||
-- error is ever thrown, that might be the cause!
|
||||
@ -691,26 +691,26 @@ checkClause {vars} mult vis totreq hashit n opts nest env
|
||||
|
||||
pure (wargs ** (scenv, var, binder))
|
||||
|
||||
-- If it's 'KeepCons/SubRefl' in 'outprf', that means it was in the outer
|
||||
-- If it's 'Keep/Refl' in 'outprf', that means it was in the outer
|
||||
-- environment so we need to keep it in the same place in the 'with'
|
||||
-- function. Hence, turn it to KeepCons whatever
|
||||
-- function. Hence, turn it to Keep whatever
|
||||
keepOldEnv : {0 outer : _} -> {vs : _} ->
|
||||
(outprf : SubVars outer vs) -> SubVars vs' vs ->
|
||||
(vs'' : List Name ** SubVars vs'' vs)
|
||||
keepOldEnv {vs} SubRefl p = (vs ** SubRefl)
|
||||
keepOldEnv {vs} p SubRefl = (vs ** SubRefl)
|
||||
keepOldEnv (DropCons p) (DropCons p')
|
||||
(outprf : Thin outer vs) -> Thin vs' vs ->
|
||||
(vs'' : List Name ** Thin vs'' vs)
|
||||
keepOldEnv {vs} Refl p = (vs ** Refl)
|
||||
keepOldEnv {vs} p Refl = (vs ** Refl)
|
||||
keepOldEnv (Drop p) (Drop p')
|
||||
= let (_ ** rest) = keepOldEnv p p' in
|
||||
(_ ** DropCons rest)
|
||||
keepOldEnv (DropCons p) (KeepCons p')
|
||||
(_ ** Drop rest)
|
||||
keepOldEnv (Drop p) (Keep p')
|
||||
= let (_ ** rest) = keepOldEnv p p' in
|
||||
(_ ** KeepCons rest)
|
||||
keepOldEnv (KeepCons p) (DropCons p')
|
||||
(_ ** Keep rest)
|
||||
keepOldEnv (Keep p) (Drop p')
|
||||
= let (_ ** rest) = keepOldEnv p p' in
|
||||
(_ ** KeepCons rest)
|
||||
keepOldEnv (KeepCons p) (KeepCons p')
|
||||
(_ ** Keep rest)
|
||||
keepOldEnv (Keep p) (Keep p')
|
||||
= let (_ ** rest) = keepOldEnv p p' in
|
||||
(_ ** KeepCons rest)
|
||||
(_ ** Keep rest)
|
||||
|
||||
-- Rewrite the clauses in the block to use an updated LHS.
|
||||
-- 'drop' is the number of additional with arguments we expect
|
||||
@ -735,6 +735,7 @@ checkClause {vars} mult vis totreq hashit n opts nest env
|
||||
newlhs <- getNewLHS ploc drop nest wname wargnames lhs patlhs
|
||||
pure (ImpossibleClause ploc newlhs)
|
||||
|
||||
-- TODO: remove
|
||||
nameListEq : (xs : List Name) -> (ys : List Name) -> Maybe (xs = ys)
|
||||
nameListEq [] [] = Just Refl
|
||||
nameListEq (x :: xs) (y :: ys) with (nameEq x y)
|
||||
|
||||
@ -19,12 +19,12 @@ import TTImp.TTImp
|
||||
%default covering
|
||||
|
||||
extend : {extvs : _} ->
|
||||
Env Term extvs -> SubVars vs extvs ->
|
||||
Env Term extvs -> Thin vs extvs ->
|
||||
NestedNames extvs ->
|
||||
Term extvs ->
|
||||
(vars' ** (SubVars vs vars', Env Term vars', NestedNames vars'))
|
||||
(vars' ** (Thin vs vars', Env Term vars', NestedNames vars'))
|
||||
extend env p nest (Bind _ n b@(Pi fc c pi ty) sc)
|
||||
= extend (b :: env) (DropCons p) (weaken nest) sc
|
||||
= extend (b :: env) (Drop p) (weaken nest) sc
|
||||
extend env p nest tm = (_ ** (p, env, nest))
|
||||
|
||||
export
|
||||
@ -48,7 +48,7 @@ processParams {vars} {c} {m} {u} nest env fc ps ds
|
||||
u <- uniVar fc
|
||||
pty <- checkTerm (-1) InType []
|
||||
nest env pty_imp (gType fc u)
|
||||
let (vs ** (prf, env', nest')) = extend env SubRefl nest pty
|
||||
let (vs ** (prf, env', nest')) = extend env Refl nest pty
|
||||
logEnv "declare.param" 5 "Param env" env'
|
||||
|
||||
-- Treat the names in the block as 'nested names' so that we expand
|
||||
|
||||
@ -32,12 +32,12 @@ record NestedNames (vars : List Name) where
|
||||
|
||||
export
|
||||
Weaken NestedNames where
|
||||
weaken (MkNested ns) = MkNested (map wknName ns)
|
||||
weakenNs {ns = wkns} s (MkNested ns) = MkNested (map wknName ns)
|
||||
where
|
||||
wknName : (Name, (Maybe Name, List (Var vars), FC -> NameType -> Term vars)) ->
|
||||
(Name, (Maybe Name, List (Var (n :: vars)), FC -> NameType -> Term (n :: vars)))
|
||||
(Name, (Maybe Name, List (Var (wkns ++ vars)), FC -> NameType -> Term (wkns ++ vars)))
|
||||
wknName (n, (mn, vars, rep))
|
||||
= (n, (mn, map weaken vars, \fc, nt => weaken (rep fc nt)))
|
||||
= (n, (mn, map (weakenNs s) vars, \fc, nt => weakenNs s (rep fc nt)))
|
||||
|
||||
-- replace nested name with full name
|
||||
export
|
||||
|
||||
@ -115,13 +115,10 @@ mutual
|
||||
= TForce fc r (substVars xs y)
|
||||
substVars xs tm = tm
|
||||
|
||||
embedVar : Var vs -> Var (vs ++ more)
|
||||
embedVar (MkVar p) = MkVar (varExtend p)
|
||||
|
||||
substArgs : SizeOf vs -> List (List (Var vs), Term vars) -> Term vs -> Term (vs ++ vars)
|
||||
substArgs p substs tm =
|
||||
let
|
||||
substs' = map (bimap (map $ embedVar {more = vars}) (weakenNs p)) substs
|
||||
substs' = map (bimap (map $ embed {outer = vars}) (weakenNs p)) substs
|
||||
tm' = embed tm
|
||||
in
|
||||
substVars substs' tm'
|
||||
@ -245,8 +242,8 @@ mutual
|
||||
NoSugar True =>
|
||||
let x' = uniqueLocal vars x in
|
||||
unelabBinder umode nest fc env x' b
|
||||
(renameVars (CompatExt CompatPre) sc) sc'
|
||||
(renameVars (CompatExt CompatPre) !(getTerm scty))
|
||||
(compat sc) sc'
|
||||
(compat !(getTerm scty))
|
||||
_ => unelabBinder umode nest fc env x b sc sc' !(getTerm scty)
|
||||
where
|
||||
next : Name -> Name
|
||||
|
||||
Loading…
Reference in New Issue
Block a user