*)
Section HaskFlattener.
-
Ltac eqd_dec_refl' :=
match goal with
| [ |- context[@eqd_dec ?T ?V ?X ?X] ] =>
(*******************************************************************************)
- Context (hetmet_flatten : WeakExprVar).
- Context (hetmet_unflatten : WeakExprVar).
- Context (hetmet_id : WeakExprVar).
Context {unitTy : forall TV, RawHaskType TV ECKind -> RawHaskType TV ★ }.
Context {prodTy : forall TV, RawHaskType TV ECKind -> RawHaskType TV ★ -> RawHaskType TV ★ -> RawHaskType TV ★ }.
Context {gaTy : forall TV, RawHaskType TV ECKind -> RawHaskType TV ★ -> RawHaskType TV ★ -> RawHaskType TV ★ }.
flatten_type (HaskTAll κ σ) = HaskTAll κ (fun TV ite v => flatten_rawtype (σ TV ite v)).
Axiom flatten_commutes_with_HaskTApp :
- forall κ Γ (Δ:CoercionEnv Γ) (σ:∀ TV, InstantiatedTypeEnv TV Γ → TV κ → RawHaskType TV ★),
- flatten_type (HaskTApp (weakF σ) (FreshHaskTyVar κ)) =
- HaskTApp (weakF (fun TV ite v => flatten_rawtype (σ TV ite v))) (FreshHaskTyVar κ).
+ forall n κ Γ (Δ:CoercionEnv Γ) (σ:∀ TV, InstantiatedTypeEnv TV Γ → TV κ → RawHaskType TV ★),
+ flatten_type (HaskTApp (weakF_ σ) (FreshHaskTyVar_ κ)) =
+ HaskTApp (weakF_ (fun TV ite v => flatten_rawtype (σ TV ite v))) (FreshHaskTyVar_(n:=n) κ).
- Axiom flatten_commutes_with_weakLT : forall (Γ:TypeEnv) κ t,
- flatten_leveled_type (weakLT(Γ:=Γ)(κ:=κ) t) = weakLT(Γ:=Γ)(κ:=κ) (flatten_leveled_type t).
+ Axiom flatten_commutes_with_weakLT : forall n (Γ:TypeEnv) κ t,
+ flatten_leveled_type (weakLT_(n:=n)(Γ:=Γ)(κ:=κ) t) = weakLT_(n:=n)(Γ:=Γ)(κ:=κ) (flatten_leveled_type t).
Axiom globals_do_not_have_code_types : forall (Γ:TypeEnv) (g:Global Γ) v,
flatten_type (g v) = g v.
; ga_second : ∀ Γ Δ ec l a b x, ND Rule [] [Γ > Δ > [@ga_mk Γ ec a b @@l] |- [@ga_mk Γ ec (x,,a) (x,,b) ]@l ]
; ga_lit : ∀ Γ Δ ec l lit , ND Rule [] [Γ > Δ > [] |- [@ga_mk Γ ec [] [literalType lit] ]@l ]
; ga_curry : ∀ Γ Δ ec l a b c, ND Rule [] [Γ > Δ > [@ga_mk Γ ec (a,,[b]) [c] @@ l] |- [@ga_mk Γ ec a [b ---> c] ]@ l ]
+ ; ga_loopl : ∀ Γ Δ ec l x y z, ND Rule [] [Γ > Δ > [@ga_mk Γ ec (z,,x) (z,,y) @@ l] |- [@ga_mk Γ ec x y ]@ l ]
+ ; ga_loopr : ∀ Γ Δ ec l x y z, ND Rule [] [Γ > Δ > [@ga_mk Γ ec (x,,z) (y,,z) @@ l] |- [@ga_mk Γ ec x y ]@ l ]
; ga_comp : ∀ Γ Δ ec l a b c, ND Rule [] [Γ > Δ > [@ga_mk Γ ec a b @@ l],,[@ga_mk Γ ec b c @@ l] |- [@ga_mk Γ ec a c ]@l ]
; ga_apply : ∀ Γ Δ ec l a a' b c,
ND Rule [] [Γ > Δ > [@ga_mk Γ ec a [b ---> c] @@ l],,[@ga_mk Γ ec a' [b] @@ l] |- [@ga_mk Γ ec (a,,a') [c] ]@l ]
- ; ga_kappa : ∀ Γ Δ ec l a b Σ, ND Rule
- [Γ > Δ > Σ,,[@ga_mk Γ ec [] a @@ l] |- [@ga_mk Γ ec [] b ]@l ]
- [Γ > Δ > Σ |- [@ga_mk Γ ec a b ]@l ]
+ ; ga_kappa : ∀ Γ Δ ec l a b c Σ, ND Rule
+ [Γ > Δ > Σ,,[@ga_mk Γ ec [] a @@ l] |- [@ga_mk Γ ec b c ]@l ]
+ [Γ > Δ > Σ |- [@ga_mk Γ ec (a,,b) c ]@l ]
}.
Context `(gar:garrow).
ND Rule [ Γ > Δ > ant |- [x]@lev ] [ Γ > Δ > ant |- [y]@lev ].
intros.
eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; eapply ACanR ].
- eapply nd_comp; [ idtac | eapply nd_rule; apply RLet ].
+ eapply nd_comp; [ idtac | apply RLet ].
eapply nd_comp; [ apply nd_rlecnac | idtac ].
apply nd_prod.
apply nd_id.
[ Γ > Δ > a |- [@ga_mk _ ec y z ]@lev ]
[ Γ > Δ > a,,[@ga_mk _ ec x y @@ lev] |- [@ga_mk _ ec x z ]@lev ].
intros.
- eapply nd_comp; [ idtac | eapply nd_rule; eapply RLet ].
+ eapply nd_comp; [ idtac | eapply RLet ].
eapply nd_comp; [ apply nd_rlecnac | idtac ].
apply nd_prod.
apply nd_id.
[ Γ > Δ > a |- [@ga_mk _ ec x y ]@lev ]
[ Γ > Δ > a,,[@ga_mk _ ec y z @@ lev] |- [@ga_mk _ ec x z ]@lev ].
intros.
- eapply nd_comp; [ idtac | eapply nd_rule; eapply RLet ].
+ eapply nd_comp; [ idtac | eapply RLet ].
eapply nd_comp; [ apply nd_rlecnac | idtac ].
apply nd_prod.
apply nd_id.
[ Γ > Δ > Σ |- [@ga_mk Γ ec (a,,c) (b,,c) ]@lev ].
intros.
eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; eapply ACanR ].
- eapply nd_comp; [ idtac | eapply nd_rule; apply RLet ].
+ eapply nd_comp; [ idtac | apply RLet ].
eapply nd_comp; [ apply nd_rlecnac | idtac ].
apply nd_prod.
apply nd_id.
[ Γ > Δ > Σ |- [@ga_mk Γ ec (c,,a) (c,,b) ]@lev ].
intros.
eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; eapply ACanR ].
- eapply nd_comp; [ idtac | eapply nd_rule; apply RLet ].
+ eapply nd_comp; [ idtac | apply RLet ].
eapply nd_comp; [ apply nd_rlecnac | idtac ].
apply nd_prod.
apply nd_id.
[Γ > Δ > Σ,,[@ga_mk Γ ec [] a @@ l] |- [@ga_mk Γ ec x b ]@l ].
intros.
eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; eapply AExch ].
- eapply nd_comp; [ idtac | eapply nd_rule; eapply RLet ].
+ eapply nd_comp; [ idtac | eapply RLet ].
eapply nd_comp; [ apply nd_llecnac | idtac ].
apply nd_prod.
apply ga_first.
- eapply nd_comp; [ idtac | eapply nd_rule; eapply RLet ].
+ eapply nd_comp; [ idtac | eapply RLet ].
eapply nd_comp; [ apply nd_llecnac | idtac ].
apply nd_prod.
apply postcompose.
apply precompose.
Defined.
+
+
+
(* useful for cutting down on the pretty-printed noise
Notation "` x" := (take_lev _ x) (at level 20).
set (mapOptionTree (flatten_type ○ unlev) (take_lev (ec :: lev) b)) as b' in *.
set (mapOptionTree (flatten_type ○ unlev) (take_lev (ec :: lev) c)) as c' in *.
eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; apply ACanL ].
- eapply nd_comp; [ idtac | eapply nd_rule; apply
+ eapply nd_comp; [ idtac | apply
(@RLet Γ Δ [] [] (@ga_mk _ (v2t ec) a' b') (@ga_mk _ (v2t ec) a' c')) ].
eapply nd_comp; [ apply nd_llecnac | idtac ].
apply nd_prod.
apply r2'.
eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; apply AuCanR ].
eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; apply ACanL ].
- eapply nd_comp; [ idtac | eapply nd_rule; apply RLet ].
+ eapply nd_comp; [ idtac | apply RLet ].
eapply nd_comp; [ apply nd_llecnac | idtac ].
eapply nd_prod.
apply r1'.
intro pfb.
apply secondify with (c:=a) in pfb.
apply firstify with (c:=[]) in pfa.
- eapply nd_comp; [ idtac | eapply nd_rule; eapply RLet ].
+ eapply nd_comp; [ idtac | eapply RLet ].
eapply nd_comp; [ eapply nd_llecnac | idtac ].
apply nd_prod.
apply pfa.
clear pfa.
- eapply nd_comp; [ idtac | eapply nd_rule; eapply RLet ].
+ eapply nd_comp; [ idtac | eapply RLet ].
eapply nd_comp; [ apply nd_llecnac | idtac ].
apply nd_prod.
eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; eapply ACanL ].
eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; eapply AExch ].
simpl.
eapply nd_comp; [ apply nd_llecnac | idtac ].
- eapply nd_comp; [ idtac | eapply nd_rule; eapply RLet ].
+ eapply nd_comp; [ idtac | eapply RLet ].
apply nd_prod.
Focus 2.
apply nd_id.
clear y q.
set (mapOptionTree flatten_leveled_type (dropT (mkFlags (liftBoolFunc false (bnot ○ levelMatch (ec :: nil))) succ))) as q.
- destruct (decide_tree_empty q); [ idtac | apply (Prelude_error "escapifying open code not yet supported") ].
- destruct s.
+ destruct (decide_tree_empty q).
- simpl.
- eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; apply AExch ].
- set (fun z z' => @RLet Γ Δ z (mapOptionTree flatten_leveled_type q') t z' nil) as q''.
- eapply nd_comp; [ idtac | eapply nd_rule; apply RLet ].
- clear q''.
- eapply nd_comp; [ apply nd_rlecnac | idtac ].
- apply nd_prod.
- apply nd_rule.
- apply RArrange.
- eapply AComp; [ idtac | apply ACanR ].
- apply ALeft.
- apply (@arrangeCancelEmptyTree _ _ _ _ e).
-
- eapply nd_comp.
- eapply nd_rule.
- eapply (@RVar Γ Δ t nil).
- apply nd_rule.
+ destruct s.
+ simpl.
+ eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; apply AExch ].
+ set (fun z z' => @RLet Γ Δ z (mapOptionTree flatten_leveled_type q') t z' nil) as q''.
+ eapply nd_comp; [ idtac | apply RLet ].
+ clear q''.
+ eapply nd_comp; [ apply nd_rlecnac | idtac ].
+ apply nd_prod.
+ apply nd_rule.
apply RArrange.
- eapply AComp.
- apply AuCanR.
+ eapply AComp; [ idtac | apply ACanR ].
apply ALeft.
- apply AWeak.
-(*
- eapply decide_tree_empty.
-
- simpl.
- set (dropT (mkFlags (liftBoolFunc false (bnot ○ levelMatch (ec :: nil))) succ)) as escapified.
- destruct (decide_tree_empty escapified).
+ apply (@arrangeCancelEmptyTree _ _ _ _ e).
+
+ eapply nd_comp.
+ eapply nd_rule.
+ eapply (@RVar Γ Δ t nil).
+ apply nd_rule.
+ apply RArrange.
+ eapply AComp.
+ apply AuCanR.
+ apply ALeft.
+ apply AWeak.
- induction succ.
- destruct a.
- unfold drop_lev.
- destruct l.
simpl.
- unfold mkDropFlags; simpl.
+ clear q.
+ unfold q'.
+ clear q'.
+ apply nd_rule.
+ apply RArrange.
+ induction succ.
+ destruct a.
+ destruct l as [t' l'].
+ simpl.
+ Transparent drop_lev.
+ simpl.
unfold take_lev.
unfold mkTakeFlags.
simpl.
- destruct (General.list_eq_dec h0 (ec :: nil)).
- simpl.
- rewrite e.
- apply nd_id.
- simpl.
- apply nd_rule.
- apply RArrange.
- apply ALeft.
- apply AWeak.
+ unfold drop_lev.
simpl.
- apply nd_rule.
- unfold take_lev.
- simpl.
- apply RArrange.
- apply ALeft.
- apply AWeak.
- apply (Prelude_error "escapifying code with multi-leaf antecedents is not supported").
-*)
- Defined.
+ unfold mkDropFlags.
+ simpl.
+ unfold flatten_leveled_type.
+ destruct (General.list_eq_dec l' (ec :: nil)); simpl.
+ rewrite e.
+ unfold levels_to_tcode.
+ eapply AComp.
+ apply ACanL.
+ apply AuCanR.
+ eapply AComp.
+ apply ACanR.
+ eapply AComp.
+ apply AuCanL.
+ apply ARight.
+ apply AWeak.
+
+ simpl.
+ apply ARight.
+ apply AWeak.
+
+ drop_simplify.
+ simpl.
+ set (mapOptionTree flatten_leveled_type (drop_lev (ec :: nil) succ2)) as d2 in *.
+ set (mapOptionTree flatten_leveled_type (drop_lev (ec :: nil) succ1)) as d1 in *.
+ set (mapOptionTree flatten_leveled_type (dropT (mkFlags
+ (liftBoolFunc false (bnot ○ levelMatch (ec :: nil))) succ1))) as s1 in *.
+ set (mapOptionTree flatten_leveled_type (dropT (mkFlags
+ (liftBoolFunc false (bnot ○ levelMatch (ec :: nil))) succ2))) as s2 in *.
+ set (mapOptionTree (flatten_type ○ unlev) (dropT (mkFlags
+ (liftBoolFunc true (bnot ○ levelMatch (ec :: nil))) succ1))) as s1' in *.
+ set (mapOptionTree (flatten_type ○ unlev) (dropT (mkFlags
+ (liftBoolFunc true (bnot ○ levelMatch (ec :: nil))) succ2))) as s2' in *.
+
+ eapply AComp.
+ apply arrangeSwapMiddle.
+
+ eapply AComp.
+ eapply ALeft.
+ apply IHsucc2.
+
+ eapply AComp.
+ eapply ARight.
+ apply IHsucc1.
+
+ eapply AComp.
+ apply arrangeSwapMiddle.
+ apply ARight.
+ unfold take_lev.
+ unfold mkTakeFlags.
+
+ unfold s1'.
+ unfold s2'.
+ clear s1' s2'.
+ set (mapOptionTree (flatten_type ○ unlev) (dropT (mkFlags
+ (liftBoolFunc true (bnot ○ levelMatch (ec :: nil))) succ1))) as s1' in *.
+ set (mapOptionTree (flatten_type ○ unlev) (dropT (mkFlags
+ (liftBoolFunc true (bnot ○ levelMatch (ec :: nil))) succ2))) as s2' in *.
+
+ apply (Prelude_error "almost there!").
+ Defined.
Lemma unlev_relev : forall {Γ}(t:Tree ??(HaskType Γ ★)) lev, mapOptionTree unlev (t @@@ lev) = t.
intros.
(fun TV : Kind → Type => take_arg_types ○ t TV))))).
reflexivity.
unfold flatten_type.
- clear hetmet_flatten.
- clear hetmet_unflatten.
- clear hetmet_id.
clear gar.
set (t tv ite) as x.
admit.
| RGlobal Γ Δ σ l wev => let case_RGlobal := tt in _
| RLam Γ Δ Σ tx te lev => let case_RLam := tt in _
| RCast Γ Δ Σ σ τ lev γ => let case_RCast := tt in _
- | RAbsT Γ Δ Σ κ σ lev => let case_RAbsT := tt in _
+ | RAbsT Γ Δ Σ κ σ lev n => let case_RAbsT := tt in _
| RAppT Γ Δ Σ κ σ τ lev => let case_RAppT := tt in _
| RAppCo Γ Δ Σ κ σ₁ σ₂ γ σ lev => let case_RAppCo := tt in _
| RAbsCo Γ Δ Σ κ σ σ₁ σ₂ lev => let case_RAbsCo := tt in _
| RApp Γ Δ Σ₁ Σ₂ tx te lev => let case_RApp := tt in _
- | RLet Γ Δ Σ₁ Σ₂ σ₁ σ₂ lev => let case_RLet := tt in _
- | RCut Γ Δ Σ₁ Σ₁₂ Σ₂ Σ₃ l => let case_RCut := tt in _
- | RLeft Γ Δ Σ₁ Σ₂ Σ l => let case_RLeft := tt in _
- | RRight Γ Δ Σ₁ Σ₂ Σ l => let case_RRight := tt in _
- | RWhere Γ Δ Σ₁ Σ₂ Σ₃ σ₁ σ₂ lev => let case_RWhere := tt in _
- | RJoin Γ p lri m x q l => let case_RJoin := tt in _
+ | RCut Γ Δ Σ Σ₁ Σ₁₂ Σ₂ Σ₃ l => let case_RCut := tt in _
+ | RLeft Γ Δ Σ₁ Σ₂ Σ l => let case_RLeft := tt in _
+ | RRight Γ Δ Σ₁ Σ₂ Σ l => let case_RRight := tt in _
| RVoid _ _ l => let case_RVoid := tt in _
| RBrak Γ Δ t ec succ lev => let case_RBrak := tt in _
| REsc Γ Δ t ec succ lev => let case_REsc := tt in _
rename l into g.
rename σ into l.
destruct l as [|ec lev]; simpl.
+ (*
destruct (eqd_dec (g:CoreVar) (hetmet_flatten:CoreVar)).
set (flatten_type (g wev)) as t.
set (RGlobal _ Δ nil (mkGlobal Γ t hetmet_id)) as q.
apply nd_rule.
apply q.
apply INil.
+ *)
unfold flatten_leveled_type. simpl.
apply nd_rule; rewrite globals_do_not_have_code_types.
apply RGlobal.
apply flatten_coercion; auto.
apply (Prelude_error "RCast at level >0; casting inside of code brackets is currently not supported").
- destruct case_RJoin.
- simpl.
- destruct l;
- [ apply nd_rule; apply RJoin | idtac ];
- apply (Prelude_error "RJoin at depth >0").
-
destruct case_RApp.
simpl.
Notation "!<[@]> x" := (mapOptionTree flatten_leveled_type x) (at level 1).
*)
- destruct case_RLet.
- simpl.
- destruct lev as [|ec lev]; simpl; [ apply nd_rule; apply RLet; auto | idtac ].
- repeat drop_simplify.
- repeat take_simplify.
- simpl.
-
- set (mapOptionTree (flatten_type ○ unlev) (take_lev (ec :: lev) Σ₁)) as Σ₁'.
- set (mapOptionTree (flatten_type ○ unlev) (take_lev (ec :: lev) Σ₂)) as Σ₂'.
- set (mapOptionTree flatten_leveled_type (drop_lev (ec :: lev) Σ₁)) as Σ₁''.
- set (mapOptionTree flatten_leveled_type (drop_lev (ec :: lev) Σ₂)) as Σ₂''.
-
- eapply nd_comp.
- eapply nd_prod; [ idtac | apply nd_id ].
- eapply boost.
- apply (ga_first _ _ _ _ _ _ Σ₂').
-
- eapply nd_comp; [ idtac | eapply nd_rule; eapply RLet ].
- apply nd_prod.
- apply nd_id.
- eapply nd_comp; [ eapply nd_rule; eapply RArrange; eapply ACanL | idtac ].
- eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; eapply AExch (* okay *)].
- apply precompose.
-
- destruct case_RWhere.
- simpl.
- destruct lev as [|ec lev]; simpl; [ apply nd_rule; apply RWhere; auto | idtac ].
- repeat take_simplify.
- repeat drop_simplify.
- simpl.
-
- set (mapOptionTree (flatten_type ○ unlev) (take_lev (ec :: lev) Σ₁)) as Σ₁'.
- set (mapOptionTree (flatten_type ○ unlev) (take_lev (ec :: lev) Σ₂)) as Σ₂'.
- set (mapOptionTree (flatten_type ○ unlev) (take_lev (ec :: lev) Σ₃)) as Σ₃'.
- set (mapOptionTree flatten_leveled_type (drop_lev (ec :: lev) Σ₁)) as Σ₁''.
- set (mapOptionTree flatten_leveled_type (drop_lev (ec :: lev) Σ₂)) as Σ₂''.
- set (mapOptionTree flatten_leveled_type (drop_lev (ec :: lev) Σ₃)) as Σ₃''.
-
- eapply nd_comp.
- eapply nd_prod; [ eapply nd_id | idtac ].
- eapply (first_nd _ _ _ _ _ _ Σ₃').
- eapply nd_comp.
- eapply nd_prod; [ eapply nd_id | idtac ].
- eapply (second_nd _ _ _ _ _ _ Σ₁').
-
- eapply nd_comp; [ idtac | eapply nd_rule; eapply RWhere ].
- apply nd_prod; [ idtac | apply nd_id ].
- eapply nd_comp; [ idtac | eapply precompose' ].
- apply nd_rule.
- apply RArrange.
- apply ALeft.
- apply ACanL.
-
destruct case_RCut.
simpl.
destruct l as [|ec lev]; simpl.
rewrite <- IHΣ₁₂1.
rewrite <- IHΣ₁₂2.
reflexivity.
- simpl.
- repeat drop_simplify.
- simpl.
- repeat take_simplify.
+ simpl; repeat drop_simplify.
+ simpl; repeat take_simplify.
simpl.
set (drop_lev (ec :: lev) (Σ₁₂ @@@ (ec :: lev))) as x1.
rewrite take_lemma'.
rewrite mapOptionTree_compose.
rewrite mapOptionTree_compose.
rewrite mapOptionTree_compose.
+ rewrite mapOptionTree_compose.
rewrite unlev_relev.
rewrite <- mapOptionTree_compose.
rewrite <- mapOptionTree_compose.
+ rewrite <- mapOptionTree_compose.
eapply nd_comp; [ idtac | eapply nd_rule; eapply RCut ].
apply nd_prod.
apply nd_id.
eapply nd_comp.
eapply nd_rule.
eapply RArrange.
+ eapply ALeft.
eapply ARight.
unfold x1.
rewrite drop_to_nothing.
apply arrangeCancelEmptyTree with (q:=(mapTree (fun _ : ??(HaskType Γ ★) => tt) Σ₁₂)).
- admit. (* OK *)
- eapply nd_comp; [ eapply nd_rule; eapply RArrange; eapply ACanL | idtac ].
+ induction Σ₁₂; try destruct a; auto.
+ simpl.
+ rewrite <- IHΣ₁₂1 at 2.
+ rewrite <- IHΣ₁₂2 at 2.
+ reflexivity.
+ eapply nd_comp; [ eapply nd_rule; eapply RArrange; eapply ALeft; eapply ACanL | idtac ].
set (mapOptionTree flatten_type Σ₁₂) as a.
set (mapOptionTree (flatten_type ○ unlev) (take_lev (ec :: lev) Σ₁)) as b.
set (mapOptionTree flatten_leveled_type (drop_lev (ec :: lev) Σ₂)) as c.
set (mapOptionTree (flatten_type ○ unlev) (take_lev (ec :: lev) Σ₂)) as d.
+ set (mapOptionTree flatten_leveled_type (drop_lev (ec :: lev) Σ)) as e.
+ set (mapOptionTree (flatten_type ○ unlev) (take_lev (ec :: lev) Σ)) as f.
eapply nd_comp; [ idtac | eapply nd_rule; eapply RCut ].
eapply nd_comp; [ apply nd_llecnac | idtac ].
apply nd_prod.
simpl.
- eapply ga_first.
- eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; eapply AExch ].
+ eapply secondify.
+ apply ga_first.
+ eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; eapply ALeft; eapply AExch ].
+ eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; eapply AuAssoc ].
simpl.
apply precompose.
eapply RArrange.
eapply ARight.
apply arrangeUnCancelEmptyTree with (q:=(mapTree (fun _ : ??(HaskType Γ ★) => tt) Σ)).
- admit (* FIXME *).
+ induction Σ; try destruct a; auto.
+ simpl.
+ rewrite <- IHΣ1 at 2.
+ rewrite <- IHΣ2 at 2.
+ reflexivity.
idtac.
eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; eapply AuCanL ].
apply boost.
eapply RArrange.
eapply ALeft.
apply arrangeUnCancelEmptyTree with (q:=(mapTree (fun _ : ??(HaskType Γ ★) => tt) Σ)).
- admit (* FIXME *).
+ induction Σ; try destruct a; auto.
+ simpl.
+ rewrite <- IHΣ1 at 2.
+ rewrite <- IHΣ2 at 2.
+ reflexivity.
idtac.
eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; eapply AuCanR ].
apply boost.
destruct case_RVoid.
simpl.
- apply nd_rule.
destruct l.
+ apply nd_rule.
apply RVoid.
- apply (Prelude_error "RVoid at level >0").
+ drop_simplify.
+ take_simplify.
+ simpl.
+ apply ga_id.
destruct case_RAppT.
simpl. destruct lev; simpl.
rewrite flatten_commutes_with_HaskTApp.
eapply nd_comp; [ idtac | eapply nd_rule; eapply RAbsT ].
simpl.
- set (mapOptionTree (flatten_leveled_type ) (mapOptionTree (weakLT(κ:=κ)) Σ)) as a.
- set (mapOptionTree (weakLT(κ:=κ)) (mapOptionTree (flatten_leveled_type ) Σ)) as q'.
+ set (mapOptionTree (flatten_leveled_type ) (mapOptionTree (weakLT_(n:=n)(κ:=κ)) Σ)) as a.
+ set (mapOptionTree (weakLT_(n:=n)(κ:=κ)) (mapOptionTree (flatten_leveled_type ) Σ)) as q'.
assert (a=q').
unfold a.
unfold q'.
rewrite IHy1.
rewrite IHy2.
reflexivity.
- apply (Prelude_error "LetRec not supported inside brackets yet (FIXME)").
+ repeat drop_simplify.
+ repeat take_simplify.
+ simpl.
+ rewrite drop_to_nothing.
+ eapply nd_comp.
+ eapply nd_rule.
+ eapply RArrange.
+ eapply AComp.
+ eapply ARight.
+ apply arrangeCancelEmptyTree with (q:=y).
+ induction y; try destruct a; auto.
+ simpl.
+ rewrite <- IHy1.
+ rewrite <- IHy2.
+ reflexivity.
+ apply ACanL.
+ rewrite take_lemma'.
+ set (mapOptionTree (flatten_type ○ unlev) (take_lev (h :: lev) lri)) as lri'.
+ set (mapOptionTree flatten_leveled_type (drop_lev (h :: lev) lri)) as lri''.
+ replace (mapOptionTree (flatten_type ○ unlev) (y @@@ (h :: lev))) with (mapOptionTree flatten_type y).
+ apply boost.
+ apply ga_loopl.
+ rewrite <- mapOptionTree_compose.
+ simpl.
+ reflexivity.
destruct case_RCase.
- simpl.
- apply (Prelude_error "Case not supported (BIG FIXME)").
+ destruct lev; [ idtac | apply (Prelude_error "case at depth >0") ]; simpl.
+ apply nd_rule.
+ rewrite <- mapOptionTree_compose.
+ replace (mapOptionTree
+ (fun x => flatten_judgment (pcb_judg (snd x)))
+ alts,, [Γ > Δ > mapOptionTree flatten_leveled_type Σ |- [flatten_type (caseType tc avars)] @ nil])
+ with
+ (mapOptionTree
+ (fun x => @pcb_judg tc Γ Δ nil (flatten_type tbranches) avars (fst x) (snd x))
+ alts,,
+ [Γ > Δ > mapOptionTree flatten_leveled_type Σ |- [caseType tc avars] @ nil]).
+ replace (mapOptionTree flatten_leveled_type
+ (mapOptionTreeAndFlatten
+ (fun x => (snd x)) alts))
+ with (mapOptionTreeAndFlatten
+ (fun x =>
+ (snd x)) alts).
+ apply RCase.
+ admit.
+ admit.
destruct case_SBrak.
simpl.
eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; apply AuCanR ].
eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; apply AuCanR ].
eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; apply ACanL ].
- eapply nd_comp; [ idtac | eapply nd_rule; eapply RLet ].
+ eapply nd_comp; [ idtac | eapply RLet ].
eapply nd_comp; [ apply nd_llecnac | idtac ].
apply nd_prod; [ idtac | eapply boost ].
induction x.
apply secondify.
apply IHx2.
- (* environment has non-empty leaves *)
- apply (Prelude_error "ga_kappa not supported yet (BIG FIXME)").
+ eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; eapply AuCanR ].
+ eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; eapply AuCanR ].
+
+ replace (mapOptionTree (fun ht => levels_to_tcode (unlev ht) (getlev ht) @@ nil) (drop_lev (ec :: nil) succ))
+ with (mapOptionTree flatten_leveled_type (drop_lev (ec :: nil) succ)).
+ eapply nd_comp; [ eapply nd_rule; eapply RArrange; eapply AExch | idtac ].
+ apply ga_kappa.
+ induction succ.
+ destruct a.
+ destruct l.
+ Transparent drop_lev.
+ simpl.
+ unfold drop_lev.
+ Opaque drop_lev.
+ unfold mkDropFlags.
+ simpl.
+ destruct (General.list_eq_dec h1 (ec :: nil)).
+ simpl.
+ auto.
+ simpl.
+ unfold flatten_leveled_type.
+ simpl.
+ auto.
+ simpl.
+ auto.
+ simpl.
+ drop_simplify.
+ simpl.
+ rewrite IHsucc1.
+ rewrite IHsucc2.
+ reflexivity.
(* nesting too deep *)
apply (Prelude_error "found Esc at depth >0 indicating 3-level code; only two-level code is currently supported").