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.
-Axiom fail : forall {A}, string -> A.
- Extract Inlined Constant fail => "Prelude.error".
-
Section core2proof.
Context (ce:@CoreExpr CoreVar).
Definition Δ : CoercionEnv Γ := nil.
- Definition φ : CoreVar->HaskTyVar Γ :=
- fun cv => (fun TV env => fail "unbound tyvar").
+ Definition φ : TyVarResolver Γ :=
+ fun cv => Error ("unbound tyvar: " +++ (cv:CoreVar)).
(*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)*)).
+ Definition ψ : CoVarResolver Γ Δ :=
+ fun cv => 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 : WeakExprVar -> WeakType * list WeakTypeVar
- := fun (v:WeakExprVar) => ((v:WeakType),nil).
+ Definition ξ (cv:CoreVar) : LeveledHaskType Γ ★ :=
+ match coreVarToWeakVar cv with
+ | WExprVar wev => match weakTypeToTypeOfKind 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+++
+ "\usepackage{mathpartir} % http://cristal.inria.fr/~remy/latex/"+++eol+++
+ "\usepackage{trfrac} % http://www.utdallas.edu/~hamlen/trfrac.sty"+++eol+++
"\def\code#1#2{\Box_{#1} #2}"+++eol+++
- "\usepackage[paperwidth=20in,centering]{geometry}"+++eol+++
+ "\usepackage[paperwidth=200in,centering]{geometry}"+++eol+++
"\usepackage[displaymath,tightpage,active]{preview}"+++eol+++
"\begin{document}"+++eol+++
"\begin{preview}"+++eol.
eol+++"\end{document}"+++
eol.
+ Definition handleExpr' (ce:@CoreExpr CoreVar) : ???string :=
+ addErrorMessage ("input CoreSyn: " +++ ce)
+ (addErrorMessage ("input CoreType: " +++ coreTypeOfCoreExpr ce) (
+ coreExprToWeakExpr ce >>= fun we =>
+ addErrorMessage ("WeakExpr: " +++ we)
+ ((addErrorMessage ("CoreType of WeakExpr: " +++ coreTypeOfCoreExpr (weakExprToCoreExpr we))
+ ((weakTypeOfWeakExpr we) >>= fun t =>
+ (addErrorMessage ("WeakType: " +++ t)
+ ((weakTypeToTypeOfKind φ t ★) >>= fun τ =>
+ addErrorMessage ("HaskType: " +++ τ)
+ ((weakExprToStrongExpr Γ Δ φ ψ ξ τ nil we) >>= fun e =>
+ OK (eol+++"$$"+++ nd_ml_toLatex (@expr2proof _ _ _ _ _ _ e)+++"$$"+++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
+ match handleExpr' ce with
+ | OK x => x
+ | Error s => Prelude_error s
end.
Definition handleBind (bind:@CoreBind CoreVar) : string :=