Require Import Coq.Lists.List.
Require Import Coq.Strings.Ascii.
Require Import Coq.Strings.String.
-Require Import Main.
+
+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.
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)".
+Extract Inductive ascii => "Prelude.Char" [ "bin2ascii" ] "bin2ascii'".
+Extract Constant zero => "'\000'".
+Extract Constant one => "'\001'".
+Extract Constant shift => "shiftAscii".
Unset Extraction Optimize.
Unset Extraction AutoInline.
-Definition coqCoreToStringPass (s:@CoreExpr CoreVar) : string
- := "FIXME".
-(*
-Definition coqCoreToCorePass (s:CoreExpr CoreVar) : CoreExpr CoreVar
- :=
-*)
+Variable Prelude_error : forall {A}, string -> A. Extract Inlined Constant Prelude_error => "Prelude.error".
+
+Section core2proof.
+ Context (ce:@CoreExpr CoreVar).
+
+ Definition Γ : TypeEnv := nil.
+
+ Definition Δ : CoercionEnv Γ := nil.
+
+ Definition φ : TyVarResolver Γ :=
+ fun cv => (fun TV env => Prelude_error "unbound tyvar").
+ (*fun tv => error ("tried to get the representative of an unbound tyvar:" +++ (getCoreVarOccString tv)).*)
+
+ Definition ψ : CoreVar->HaskCoVar nil Δ
+ := fun cv => Prelude_error ("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 (cv:CoreVar) : LeveledHaskType Γ ★ :=
+ match coreVarToWeakVar cv with
+ | WExprVar wev => match weakTypeToType'' φ wev ★ with
+ | Error s => Prelude_error ("Error in top-level xi: " +++ s)
+ | OK t => t @@ nil
+ end
+ | WTypeVar _ => Prelude_error "top-level xi got a type variable"
+ | WCoerVar _ => Prelude_error "top-level xi got a coercion variable"
+ end.
+
+ 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 => Prelude_error ("unable to convert GHC Core expression into Coq HaskWeak expression due to:\n "+++s)
+ | OK we => match weakTypeOfWeakExpr we >>= fun t => weakTypeToType φ t with
+ | Error s => Prelude_error ("unable to calculate HaskType of a HaskWeak expression because: " +++ s)
+ | OK τ => match τ with
+ | haskTypeOfSomeKind ★ τ' =>
+ match weakExprToStrongExpr Γ Δ φ ψ ξ τ' nil (*(makeClosedExpression*) we (* ) *) with
+ | Error s => Prelude_error ("unable to convert HaskWeak to HaskStrong due to:\n "+++s)
+ | OK e' => eol+++"$$"+++ nd_ml_toLatex (@expr2proof _ _ _ _ _ _ e')+++"$$"+++eol
+ end
+ | haskTypeOfSomeKind κ τ' =>
+ Prelude_error ("encountered 'expression' of kind "+++κ+++" at top level (type "+++τ'
+ +++"); shouldn't happen")
+ 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.
-Extraction "Extraction.hs" coqCoreToStringPass.
+Extraction "Extraction.hs" coqPassCoreToString coqPassCoreToCore.
projects / coq-hetmet.git / blobdiff