From: Adam Megacz <megacz@cs.berkeley.edu>
Date: Mon, 30 May 2011 00:01:32 +0000 (-0700)
Subject: add -fflatten and -funsafe-skolemize flags
X-Git-Url: http://git.megacz.com/?p=coq-hetmet.git;a=commitdiff_plain;h=a663de9a349ffe83a6c4fc10f1259f2fa6a915ed;hp=c90b598203ef23bf8d44d6b5b4a5a4b5901039cf

add -fflatten and -funsafe-skolemize flags
---

diff --git a/examples/Demo.hs b/examples/Demo.hs
index 4c53aa5..6d0e69d 100644
--- a/examples/Demo.hs
+++ b/examples/Demo.hs
@@ -1,4 +1,4 @@
-{-# OPTIONS_GHC -XModalTypes -fcoqpass -dcore-lint #-}
+{-# OPTIONS_GHC -XModalTypes -fflatten -funsafe-skolemize -dcore-lint #-}
 module Demo (demo) where
 
 
diff --git a/examples/Makefile b/examples/Makefile
index c89fb10..17d92e8 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -4,7 +4,7 @@ open:
 	make demo
 	open .build/test.pdf
 
-all:
+sanity:
 	../../../inplace/bin/ghc-stage2 -dcore-lint -fforce-recomp -fcoqpass -ddump-coqpass -ddump-to-file \
 		`ls *.hs | grep -v Regex | grep -v Unify.hs | grep -v GArrowTikZ.hs ` +RTS -K500M 
 	../../../inplace/bin/ghc-stage2 -dcore-lint -fforce-recomp \
diff --git a/src/ExtractionMain.v b/src/ExtractionMain.v
index df7896b..4926bff 100644
--- a/src/ExtractionMain.v
+++ b/src/ExtractionMain.v
@@ -275,6 +275,8 @@ Section core2proof.
 
   Section coqPassCoreToCore.
     Context
+    (do_flatten : bool)
+    (do_skolemize : bool)
     (hetmet_brak  : CoreVar)
     (hetmet_esc   : CoreVar)
     (hetmet_flatten : CoreVar)
@@ -432,18 +434,41 @@ Section core2proof.
                     ((weakExprToStrongExpr Γ Δ φ ψ ξ (fun _ => true) τ nil we) >>= fun e =>
 
                       (addErrorMessage ("HaskStrong...")
-                        (let haskProof := skolemize_and_flatten_proof hetmet_flatten' hetmet_unflatten'
-                                            hetmet_flattened_id' my_ga (@expr2proof _ _ _ _ _ _ _ e)
-                         in (* insert HaskProof-to-HaskProof manipulations here *)
-                         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'
-                           mkWeakTypeVar mkWeakCoerVar mkWeakExprVar uniqueSupply
-                           (projT2 e'') INil
-                         >>= fun q =>
-                           OK (weakExprToCoreExpr q)
-                    )))))))))).
+                        (if do_skolemize
+                        then
+                             (let haskProof := skolemize_and_flatten_proof hetmet_flatten' hetmet_unflatten'
+                                                 hetmet_flattened_id' my_ga (@expr2proof _ _ _ _ _ _ _ e)
+                              in (* insert HaskProof-to-HaskProof manipulations here *)
+                              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'
+                                mkWeakTypeVar mkWeakCoerVar mkWeakExprVar uniqueSupply
+                                (projT2 e'') INil
+                              >>= fun q => OK (weakExprToCoreExpr q))
+                        else (if do_flatten
+                        then
+                          (let haskProof := flatten_proof (*hetmet_flatten' hetmet_unflatten'
+                                                 hetmet_flattened_id' my_ga*) (@expr2proof _ _ _ _ _ _ _ e)
+                              in (* insert HaskProof-to-HaskProof manipulations here *)
+                              OK ((@proof2expr nat _ FreshNat _ _ τ nil _
+                                (fun _ => Prelude_error "unbound unique") _ haskProof) O)
+                              >>= fun e' => (snd e') >>= fun e'' =>
+                              strongExprToWeakExpr hetmet_brak' hetmet_esc'
+                                mkWeakTypeVar mkWeakCoerVar mkWeakExprVar uniqueSupply
+                                (projT2 e'') INil
+                              >>= fun q => OK (weakExprToCoreExpr q))
+                        else
+                          (let haskProof := @expr2proof _ _ _ _ _ _ _ e
+                              in (* insert HaskProof-to-HaskProof manipulations here *)
+                              OK ((@proof2expr nat _ FreshNat _ _ τ nil _
+                                (fun _ => Prelude_error "unbound unique") _ haskProof) O)
+                              >>= fun e' => (snd e') >>= fun e'' =>
+                              strongExprToWeakExpr hetmet_brak' hetmet_esc'
+                                mkWeakTypeVar mkWeakCoerVar mkWeakExprVar uniqueSupply
+                                (projT2 e'') INil
+                              >>= fun q => OK (weakExprToCoreExpr q))))
+                  ))))))))).
 
     Definition coreToCoreExpr (ce:@CoreExpr CoreVar) : (@CoreExpr CoreVar) :=
       match coreToCoreExpr' ce with
@@ -473,6 +498,8 @@ Section core2proof.
   End coqPassCoreToCore.
 
     Definition coqPassCoreToCore 
+    (do_flatten  : bool)
+    (do_skolemize  : bool)
     (hetmet_brak  : CoreVar)
     (hetmet_esc   : CoreVar)
     (hetmet_flatten   : CoreVar)
@@ -502,6 +529,8 @@ Section core2proof.
     (hetmet_pga_curryl : CoreVar)
     (hetmet_pga_curryr : CoreVar) : list (@CoreBind CoreVar) :=
     coqPassCoreToCore'
+       do_flatten
+       do_skolemize
        hetmet_brak  
        hetmet_esc   
        hetmet_flatten
diff --git a/src/HaskFlattener.v b/src/HaskFlattener.v
index c5587c1..d805de4 100644
--- a/src/HaskFlattener.v
+++ b/src/HaskFlattener.v
@@ -799,7 +799,7 @@ Section HaskFlattener.
     reflexivity.
     Qed.
 
-  Definition flatten_proof :
+  Definition flatten_skolemized_proof :
     forall  {h}{c},
       ND SRule h c ->
       ND  Rule (mapOptionTree (flatten_judgment ) h) (mapOptionTree (flatten_judgment ) c).
@@ -1315,6 +1315,13 @@ Section HaskFlattener.
       apply (Prelude_error "found Esc at depth >0 indicating 3-level code; only two-level code is currently supported").
       Defined.
 
+  Definition flatten_proof :
+    forall  {h}{c},
+      ND  Rule h c ->
+      ND  Rule h c.
+    apply (Prelude_error "sorry, non-skolemized flattening isn't implemented").
+    Defined.
+
   Definition skolemize_and_flatten_proof :
     forall  {h}{c},
       ND  Rule h c ->
@@ -1324,7 +1331,7 @@ Section HaskFlattener.
     intros.
     rewrite mapOptionTree_compose.
     rewrite mapOptionTree_compose.
-    apply flatten_proof.
+    apply flatten_skolemized_proof.
     apply skolemize_proof.
     apply X.
     Defined.