+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 => Error ("unbound tyvar: " +++ (cv:CoreVar)).
+ (*fun tv => error ("tried to get the representative of an unbound tyvar:" +++ (getCoreVarOccString tv)).*)
+
+ 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 (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} % 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=200in,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 :=
+ 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)
+ ((weakTypeToType'' 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 handleExpr' ce with
+ | OK x => x
+ | Error s => Prelude_error s
+ 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.