X-Git-Url: http://git.megacz.com/?p=coq-hetmet.git;a=blobdiff_plain;f=src%2FExtraction.v;h=eb13e2b8e9474ba4ba4a70c0d4955980edd31995;hp=57e08a3dc313cc21d3d55bf496ad795a7b31fc66;hb=423b0bd3972c5bcbbd757cb715e13b5b9104a9a6;hpb=a764632d29c79933e8c54633831e4aac0fb204f6

diff --git a/src/Extraction.v b/src/Extraction.v
index 57e08a3..eb13e2b 100644
--- a/src/Extraction.v
+++ b/src/Extraction.v
@@ -1,138 +1,12 @@
+(*********************************************************************************************************************************)
+(* ExtractionMain: just the "Extract" command                                                                                    *)
+(*********************************************************************************************************************************)
+
 (* need this or the Haskell extraction fails *)
 Set Printing Width 1300000.
+Require Import ExtractionMain.
 
-Require Import Coq.Lists.List.
-Require Import Coq.Strings.Ascii.
-Require Import Coq.Strings.String.
-
-Require Import Preamble.
-Require Import General.
-
-Require Import NaturalDeduction.
-Require Import NaturalDeductionToLatex.
-
-Require Import HaskKinds.
-Require Import HaskCoreLiterals.
-Require Import HaskCoreVars.
-Require Import HaskCoreTypes.
-Require Import HaskCore.
-Require Import HaskWeakVars.
-Require Import HaskWeakTypes.
-Require Import HaskWeak.
-Require Import HaskStrongTypes.
-Require Import HaskStrong.
-Require Import HaskProof.
-Require Import HaskCoreToWeak.
-Require Import HaskWeakToStrong.
-Require Import HaskStrongToProof.
-Require Import HaskProofToStrong.
-Require Import HaskProofToLatex.
-Require Import HaskStrongToWeak.
-Require Import HaskWeakToCore.
-
-Open Scope string_scope.
-Extraction Language Haskell.
-
-(* I try to reuse Haskell types mostly to get the "deriving Show" aspect *)
-Extract Inductive option => "Prelude.Maybe" [ "Prelude.Just" "Prelude.Nothing" ].
-Extract Inductive list   => "([])" [ "([])" "(:)" ].
-(*Extract Inductive vec    => "([])" [ "([])" "(:)" ].*)
-(*Extract Inductive Tree   => "([])" [ "([])" "(:)" ].*)
-Extract Inlined Constant map => "Prelude.map".
-Extract Inductive string => "Prelude.String" [ "([])" "(:)" ].
-Extract Inductive prod   => "(,)" [ "(,)" ].
-Extract Inductive sum    => "Prelude.Either" [ "Prelude.Left" "Prelude.Right" ].
-Extract Inductive sumbool => "Prelude.Bool" [ "Prelude.True" "Prelude.False" ].
-Extract Inductive bool    => "Prelude.Bool" [ "Prelude.True" "Prelude.False" ].
-Extract Inductive unit    => "()" [ "()" ].
-Extract Inlined Constant string_dec => "(==)".
-Extract Inlined Constant ascii_dec => "(==)".
-Extract Inductive string => "Prelude.String" [ "[]" "(:)" ].
-
-(* adapted from ExtrOcamlString.v *)
-Extract Inductive ascii => "Prelude.Char"
-[
-"{- If this appears, you're using Ascii internals. Please don't -} (\ b0 b1 b2 b3 b4 b5 b6 b7 ->   let f b i = if b then 1 `shiftL` i else 0 in Data.Char.chr (f b0 0 .|. f b1 1 .|. f b2 2 .|. f b3 3 .|. f b4 4 .|. f b5 5 .|. f b6 6 .|. f b7 7))"
-]
-"{- If this appears, you're using Ascii internals. Please don't -} (\ f c -> let n = Char.code c in let h i = (n .&. (1 `shiftL` i)) /= 0 in f (h 0) (h 1) (h 2) (h 3) (h 4) (h 5) (h 6) (h 7))".
-Extract Constant zero  => "'\000'".
-Extract Constant one   => "'\001'".
-Extract Constant shift => "\ b c -> Data.Char.chr (((Char.code c) `shiftL` 1) .&. 255 .|. if b then 1 else 0)".
-
-Unset Extraction Optimize.
-Unset Extraction AutoInline.
-
-Axiom fail : forall {A}, string -> A. 
-  Extract Inlined Constant fail => "Prelude.error".
-
-Section core2proof.
-  Context (ce:@CoreExpr CoreVar).
-
-  Definition Γ : TypeEnv := nil.
-
-  Definition Δ : CoercionEnv Γ := nil.
-
-  Definition φ : CoreVar->HaskTyVar Γ :=
-    fun cv => (fun TV env => fail "unbound tyvar").
-    (*fun tv => error ("tried to get the representative of an unbound tyvar:" +++ (getCoreVarOccString tv)).*)
-
-  Definition ψ : CoreVar->HaskCoVar nil Δ
-    := fun cv => fail ("tried to get the representative of an unbound covar!" (*+++ (getTypeVarOccString cv)*)).
-
-  (* We need to be able to resolve unbound exprvars, but we can be sure their types will have no
-   * free tyvars in them *)
-  Definition ξ : WeakExprVar -> WeakType * list WeakTypeVar
-    := fun (v:WeakExprVar) => ((v:WeakType),nil).
-
-  Definition header : string :=
-    "\documentclass[9pt]{article}"+++eol+++
-    "\usepackage{amsmath}"+++eol+++
-    "\usepackage{amssymb}"+++eol+++
-    "\usepackage{proof}"+++eol+++
-    "\usepackage{mathpartir}"+++eol+++
-    "\usepackage{trfrac}"+++eol+++
-    "\def\code#1#2{\Box_{#1} #2}"+++eol+++
-    "\usepackage[paperwidth=20in,centering]{geometry}"+++eol+++
-    "\usepackage[displaymath,tightpage,active]{preview}"+++eol+++
-    "\begin{document}"+++eol+++
-    "\begin{preview}"+++eol.
-
-  Definition footer : string :=
-    eol+++"\end{preview}"+++
-    eol+++"\end{document}"+++
-    eol.
-
-  Definition handleExpr (ce:@CoreExpr CoreVar) : string :=
-    match coreExprToWeakExpr ce with
-      | Error s => fail ("unable to convert GHC Core expression into Coq HaskWeak expression due to:\n  "+++s)
-      | OK me   =>
-        match weakExprToStrongExpr (*(makeClosedExpression me)*) me Γ Δ φ ψ ξ nil with
-          | Indexed_Error  s  => fail ("unable to convert HaskWeak to HaskStrong due to:\n  "+++s)
-          | Indexed_OK    τ e => match e with
-                                   | Error s => fail ("unable to convert HaskWeak to HaskStrong due to:\n  "+++s)
-                                   | OK e'   =>
-                                     eol+++"$$"+++
-                                     nd_ml_toLatex (@expr2proof _ _ _ _ _ _ e')+++
-                                     "$$"+++eol
-                                 end
-        end
-    end.
-
-  Definition handleBind (bind:@CoreBind CoreVar) : string :=
-    match bind with
-      | CoreNonRec _ e => handleExpr e
-      | CoreRec    lbe => fold_left (fun x y => x+++eol+++eol+++y) (map (fun x => handleExpr (snd x)) lbe) ""
-    end.
-
-  Definition coqPassCoreToString (lbinds:list (@CoreBind CoreVar)) : string :=
-    header +++
-    (fold_left (fun x y => x+++eol+++eol+++y) (map handleBind lbinds) "")
-    +++ footer.
-
-  Definition coqPassCoreToCore (lbinds:list (@CoreBind CoreVar)) : list (@CoreBind CoreVar) :=
-    lbinds.
-
-End core2proof.
-
+(*Set Extraction Optimize.*)
+(*Set Extraction AutoInline.*)
 Extraction "Extraction.hs" coqPassCoreToString coqPassCoreToCore.