add partial support for flattening kappa-expressions (mostly commented out)

[coq-hetmet.git] / src / ExtractionMain.v

diff --git a/src/ExtractionMain.v b/src/ExtractionMain.v
index 05e9c0b..9f0fc1a 100644 (file)
--- a/src/ExtractionMain.v
+++ b/src/ExtractionMain.v
@@ -179,9 +179,11 @@ Section core2proof.
     Definition mkWeakExprVar (u:Unique)(t:WeakType)             : WeakExprVar :=
       weakExprVar (mkExVar (mkSystemName u "ev" O) (weakTypeToCoreType t)) t.
 
-    Context (hetmet_brak    : WeakExprVar).
-    Context (hetmet_esc     : WeakExprVar).
-    Context (uniqueSupply   : UniqSupply).
+    Context (hetmet_brak      : WeakExprVar).
+    Context (hetmet_esc       : WeakExprVar).
+    Context (hetmet_kappa     : WeakExprVar).
+    Context (hetmet_kappa_app : WeakExprVar).
+    Context (uniqueSupply     : UniqSupply).
 
     Definition useUniqueSupply {T}(ut:UniqM T) : ???T :=
       match ut with
@@ -267,6 +269,16 @@ Section core2proof.
     apply curry.
     Defined.
 
+  Definition fToC1' {Γ}{Δ}{a}{s}{lev} :
+    ND Rule [] [ Γ > Δ > [        ] |- [a ---> s  ]@lev ] ->
+    ND Rule [] [ Γ > Δ > [a @@ lev] |-       [ s  ]@lev ].
+    intro pf.
+    eapply nd_comp.
+    apply pf.
+    eapply nd_comp; [ idtac | eapply nd_rule; eapply RArrange; apply ACanR ].
+    apply curry.
+    Defined.
+
   Definition fToC2 {Γ}{Δ}{a1}{a2}{s}{lev} :
     ND Rule [] [ Γ > Δ >                       [] |- [a1 ---> (a2 ---> s)  ]@lev ] ->
     ND Rule [] [ Γ > Δ > [a1 @@ lev],,[a2 @@ lev] |-                  [ s  ]@lev ].
@@ -284,12 +296,25 @@ Section core2proof.
     apply curry.
     Defined.
 
+  Definition fToCx {Γ}{Δ}{a1}{a2}{a3}{l} Σ :
+    ND Rule [] [ Γ > Δ >       [] |- [(a1 ---> a2) ---> a3  ]@l ] ->
+    ND Rule [Γ > Δ > Σ,,[a1 @@ l] |- [a2]@l ]
+            [Γ > Δ > Σ            |- [a3]@l ].
+    intro pf.
+    eapply nd_comp; [ eapply nd_rule; eapply RLam | idtac ].
+    set (fToC1 pf) as pf'.
+    apply boost.
+    apply pf'.
+    Defined.
+
   Section coqPassCoreToCore.
     Context
     (do_flatten : bool)
     (do_skolemize : bool)
     (hetmet_brak  : CoreVar)
     (hetmet_esc   : CoreVar)
+    (hetmet_kappa     : WeakExprVar)
+    (hetmet_kappa_app : WeakExprVar)
     (uniqueSupply : UniqSupply)
     (lbinds:list (@CoreBind CoreVar))
     (hetmet_PGArrowTyCon : TyFun)
@@ -315,6 +340,7 @@ Section core2proof.
     (hetmet_pga_curryr : CoreVar)
     (hetmet_pga_loopl : CoreVar)
     (hetmet_pga_loopr : CoreVar)
+    (hetmet_pga_kappa : CoreVar)
     .
 
 
@@ -415,20 +441,22 @@ Section core2proof.
     ; ga_first     := fun Γ Δ ec l a b x => fToC1 (mkGlob4 hetmet_pga_first (fun ec a b c => _) ec (gat ec a) (gat ec b) (gat ec x))
     ; ga_second    := fun Γ Δ ec l a b x => fToC1 (mkGlob4 hetmet_pga_second (fun ec a b c => _) ec (gat ec a) (gat ec b) (gat ec x))
     ; ga_comp      := fun Γ Δ ec l a b c => fToC2 (mkGlob4 hetmet_pga_comp (fun ec a b c => _) ec (gat ec a) (gat ec b) (gat ec c))
-(*  ; ga_lit       := fun Γ Δ ec l a => nd_rule (RGlobal _ _ _ _ (coreVarToWeakExprVarOrError hetmet_pga_lit))*)
-(*  ; ga_curry     := fun Γ Δ ec l a => nd_rule (RGlobal _ _ _ _ (coreVarToWeakExprVarOrError hetmet_pga_curry))*)
-(*  ; ga_apply     := fun Γ Δ ec l a => nd_rule (RGlobal _ _ _ _ (coreVarToWeakExprVarOrError hetmet_pga_apply))*)
-(*  ; ga_kappa     := fun Γ Δ ec l a     => fToC1 (nd_rule (RGlobal _ _ _ _ (coreVarToWeakExprVarOrError hetmet_pga_kappa)))*)
     ; ga_loopl     := fun Γ Δ ec l a b x => fToC1 (mkGlob4 hetmet_pga_loopl (fun ec a b c => _) ec (gat ec a) (gat ec b) (gat ec x))
     ; ga_loopr     := fun Γ Δ ec l a b x => fToC1 (mkGlob4 hetmet_pga_loopr (fun ec a b c => _) ec (gat ec a) (gat ec b) (gat ec x))
+
+    ; ga_curry     := fun Γ Δ ec l a     =>  Prelude_error "ga_curry"
+
+    ; ga_apply     := fun Γ Δ ec l a     =>  Prelude_error "ga_apply"
     ; ga_lit       := fun Γ Δ ec l a     => Prelude_error "ga_lit"
-    ; ga_curry     := fun Γ Δ ec l a b c => Prelude_error "ga_curry"
-    ; ga_apply     := fun Γ Δ ec l a b c => Prelude_error "ga_apply"
-    ; ga_kappa     := fun Γ Δ ec l a     => Prelude_error "ga_kappa"
+(*  ; ga_lit       := fun Γ Δ ec l a => nd_rule (RGlobal _ _ _ _ (coreVarToWeakExprVarOrError hetmet_pga_lit))*)
+    ; ga_kappa     := fun Γ Δ ec l a b c Σ =>
+      fToCx Σ (mkGlob4 hetmet_pga_kappa (fun ec a b c => _) ec (gat ec a) (gat ec b) (gat ec c))
     }.
 
     Definition hetmet_brak' := coreVarToWeakExprVarOrError hetmet_brak.
     Definition hetmet_esc'  := coreVarToWeakExprVarOrError hetmet_esc.
+    Definition hetmet_kappa'  := coreVarToWeakExprVarOrError hetmet_kappa.
+    Definition hetmet_kappa_app'  := coreVarToWeakExprVarOrError hetmet_kappa_app.
 
     Definition coreToCoreExpr' (cex:@CoreExpr CoreVar) : ???(@CoreExpr CoreVar) :=
       addErrorMessage ("input CoreSyn: " +++ toString cex)
@@ -450,7 +478,7 @@ Section core2proof.
                               OK ((@proof2expr nat _ FreshNat _ _ (flatten_type τ) nil _
                                 (fun _ => Prelude_error "unbound unique") _ haskProof) O)
                               >>= fun e' => (snd e') >>= fun e'' =>
-                              strongExprToWeakExpr hetmet_brak' hetmet_esc'
+                              strongExprToWeakExpr hetmet_brak' hetmet_esc' (*hetmet_kappa' hetmet_kappa_app'*)
                                 mkWeakTypeVar mkWeakCoerVar mkWeakExprVar uniqueSupply
                                 (projT2 e'') INil
                               >>= fun q => OK (weakExprToCoreExpr q))
@@ -461,7 +489,7 @@ Section core2proof.
                               OK ((@proof2expr nat _ FreshNat _ _ τ nil _
                                 (fun _ => Prelude_error "unbound unique") _ haskProof) O)
                               >>= fun e' => (snd e') >>= fun e'' =>
-                              strongExprToWeakExpr hetmet_brak' hetmet_esc'
+                              strongExprToWeakExpr hetmet_brak' hetmet_esc' (*hetmet_kappa' hetmet_kappa_app'*)
                                 mkWeakTypeVar mkWeakCoerVar mkWeakExprVar uniqueSupply
                                 (projT2 e'') INil
                               >>= fun q => OK (weakExprToCoreExpr q))
@@ -471,7 +499,7 @@ Section core2proof.
                               OK ((@proof2expr nat _ FreshNat _ _ τ nil _
                                 (fun _ => Prelude_error "unbound unique") _ haskProof) O)
                               >>= fun e' => (snd e') >>= fun e'' =>
-                              strongExprToWeakExpr hetmet_brak' hetmet_esc'
+                              strongExprToWeakExpr hetmet_brak' hetmet_esc' (*hetmet_kappa' hetmet_kappa_app'*)
                                 mkWeakTypeVar mkWeakCoerVar mkWeakExprVar uniqueSupply
                                 (projT2 e'') INil
                               >>= fun q => OK (weakExprToCoreExpr q))))
@@ -516,6 +544,8 @@ Section core2proof.
     : CoreM (list (@CoreBind CoreVar)) :=
       dsLookupVar "GHC.HetMet.CodeTypes" "hetmet_brak" >>= fun hetmet_brak =>
       dsLookupVar "GHC.HetMet.CodeTypes" "hetmet_esc" >>= fun hetmet_esc =>
+      dsLookupVar "GHC.HetMet.CodeTypes" "hetmet_kappa" >>= fun hetmet_kappa =>
+      dsLookupVar "GHC.HetMet.CodeTypes" "hetmet_kappa_app" >>= fun hetmet_kappa_app =>
       dsLookupTyc "GHC.HetMet.Private" "PGArrow" >>= fun hetmet_PGArrow =>
       dsLookupTyc "GHC.HetMet.GArrow" "GArrowUnit" >>= fun hetmet_PGArrow_unit =>
       dsLookupTyc "GHC.HetMet.GArrow" "GArrowTensor" >>= fun hetmet_PGArrow_tensor =>
@@ -539,6 +569,7 @@ Section core2proof.
       dsLookupVar "GHC.HetMet.Private" "pga_curryr" >>= fun hetmet_pga_curryr =>
       dsLookupVar "GHC.HetMet.Private" "pga_loopl" >>= fun hetmet_pga_loopl =>
       dsLookupVar "GHC.HetMet.Private" "pga_loopr" >>= fun hetmet_pga_loopr =>
+      dsLookupVar "GHC.HetMet.Private" "pga_kappa" >>= fun hetmet_pga_kappa =>
 
     CoreMreturn
     (coqPassCoreToCore'
@@ -546,6 +577,10 @@ Section core2proof.
        do_skolemize
        hetmet_brak  
        hetmet_esc   
+       (*
+       hetmet_kappa
+       hetmet_kappa_app
+       *)
        uniqueSupply 
        hetmet_PGArrow
        hetmet_PGArrow_unit
@@ -566,6 +601,7 @@ Section core2proof.
        hetmet_pga_swap 
        hetmet_pga_loopl 
        hetmet_pga_loopr 
+       hetmet_pga_kappa
        lbinds
        (*
        hetmet_pga_applyl