From b5dd63f1413ba984c2e09239ad4554775467f653 Mon Sep 17 00:00:00 2001 From: Ferruccio Guidi Date: Tue, 26 Nov 2002 15:22:27 +0000 Subject: [PATCH] New module for level management (was in MQueryGenerator) --- helm/gTopLevel/mQueryLevels.ml | 143 ++++++++++++++++++++++++++++++++ helm/gTopLevel/mQueryLevels.mli | 40 +++++++++ 2 files changed, 183 insertions(+) create mode 100644 helm/gTopLevel/mQueryLevels.ml create mode 100644 helm/gTopLevel/mQueryLevels.mli diff --git a/helm/gTopLevel/mQueryLevels.ml b/helm/gTopLevel/mQueryLevels.ml new file mode 100644 index 000000000..f50d94c2c --- /dev/null +++ b/helm/gTopLevel/mQueryLevels.ml @@ -0,0 +1,143 @@ +(* Copyright (C) 2000, HELM Team. + * + * This file is part of HELM, an Hypertextual, Electronic + * Library of Mathematics, developed at the Computer Science + * Department, University of Bologna, Italy. + * + * HELM is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * HELM is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with HELM; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * For details, see the HELM World-Wide-Web page, + * http://cs.unibo.it/helm/. + *) + +(******************************************************************************) +(* *) +(* PROJECT HELM *) +(* *) +(* Ferruccio Guidi *) +(* 30/04/2002 *) +(* *) +(* *) +(******************************************************************************) + +(* level managing functions *************************************************) + +type levels_spec = (string * bool * int) list + +let levels_of_term metasenv context term = + let module TC = CicTypeChecker in + let module Red = CicReduction in + let module Util = MQueryUtil in + let degree t = + let rec degree_aux = function + | Cic.Sort _ -> 1 + | Cic.Cast (u, _) -> degree_aux u + | Cic.Prod (_, _, t) -> degree_aux t + | _ -> 2 + in + let u = TC.type_of_aux' metasenv context t in + degree_aux (Red.whd context u) + in + let entry_eq (s1, b1, v1) (s2, b2, v2) = + s1 = s2 && b1 = b2 + in + let rec entry_in e = function + | [] -> [e] + | head :: tail -> + head :: if entry_eq head e then tail else entry_in e tail + in + let inspect_uri main l uri tc v term = + let d = degree term in + entry_in (Util.string_of_uriref (uri, tc), main, 2 * v + d - 1) l + in + let rec inspect_term main l v term = match term with + Cic.Rel _ -> l + | Cic.Meta _ -> l + | Cic.Sort _ -> l + | Cic.Implicit -> l + | Cic.Var (u,exp_named_subst) -> + let l' = inspect_uri main l u [] v term in + inspect_exp_named_subst l' (v+1) exp_named_subst + | Cic.Const (u,exp_named_subst) -> + let l' = inspect_uri main l u [] v term in + inspect_exp_named_subst l' (v+1) exp_named_subst + | Cic.MutInd (u, t, exp_named_subst) -> + let l' = inspect_uri main l u [t] v term in + inspect_exp_named_subst l' (v+1) exp_named_subst + | Cic.MutConstruct (u, t, c, exp_named_subst) -> + let l' = inspect_uri main l u [t; c] v term in + inspect_exp_named_subst l' (v+1) exp_named_subst + | Cic.Cast (uu, _) -> + inspect_term main l v uu + | Cic.Prod (_, uu, tt) -> + let luu = inspect_term false l (v + 1) uu in + inspect_term main luu (v + 1) tt + | Cic.Lambda (_, uu, tt) -> + let luu = inspect_term false l (v + 1) uu in + inspect_term false luu (v + 1) tt + | Cic.LetIn (_, uu, tt) -> + let luu = inspect_term false l (v + 1) uu in + inspect_term false luu (v + 1) tt + | Cic.Appl m -> inspect_list main l true v m + | Cic.MutCase (u, t, tt, uu, m) -> + let lu = inspect_uri main l u [t] (v + 1) term in + let ltt = inspect_term false lu (v + 1) tt in + let luu = inspect_term false ltt (v + 1) uu in + inspect_list main luu false (v + 1) m + | Cic.Fix (_, m) -> inspect_ind l (v + 1) m + | Cic.CoFix (_, m) -> inspect_coind l (v + 1) m + and inspect_list main l head v = function + | [] -> l + | tt :: m -> + let ltt = inspect_term main l (if head then v else v + 1) tt in + inspect_list false ltt false v m + and inspect_exp_named_subst l v = function + [] -> l + | (_,t) :: tl -> + let l' = inspect_term false l v t in + inspect_exp_named_subst l' v tl + and inspect_ind l v = function + | [] -> l + | (_, _, tt, uu) :: m -> + let ltt = inspect_term false l v tt in + let luu = inspect_term false ltt v uu in + inspect_ind luu v m + and inspect_coind l v = function + | [] -> l + | (_, tt, uu) :: m -> + let ltt = inspect_term false l v tt in + let luu = inspect_term false ltt v uu in + inspect_coind luu v m + in + let rec inspect_backbone = function + | Cic.Cast (uu, _) -> inspect_backbone uu + | Cic.Prod (_, _, tt) -> inspect_backbone tt + | Cic.LetIn (_, uu, tt) -> inspect_backbone tt + | t -> inspect_term true [] 0 t + in + inspect_backbone term + +let string_of_levels l sep = + let entry_out (s, b, v) = + let pos = if b then " HEAD: " else " TAIL: " in + string_of_int v ^ pos ^ s ^ sep + in + let rec levels_out = function + | [] -> "" + | head :: tail -> entry_out head ^ levels_out tail + in + levels_out l + diff --git a/helm/gTopLevel/mQueryLevels.mli b/helm/gTopLevel/mQueryLevels.mli new file mode 100644 index 000000000..bc1dc7414 --- /dev/null +++ b/helm/gTopLevel/mQueryLevels.mli @@ -0,0 +1,40 @@ +(* Copyright (C) 2000, HELM Team. + * + * This file is part of HELM, an Hypertextual, Electronic + * Library of Mathematics, developed at the Computer Science + * Department, University of Bologna, Italy. + * + * HELM is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * HELM is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with HELM; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * For details, see the HELM World-Wide-Web page, + * http://cs.unibo.it/helm/. + *) + +(******************************************************************************) +(* *) +(* PROJECT HELM *) +(* *) +(* Ferruccio Guidi *) +(* 30/04/2002 *) +(* *) +(* *) +(******************************************************************************) + +type levels_spec = (string * bool * int) list + +val levels_of_term : Cic.metasenv -> Cic.context -> Cic.term -> levels_spec + +val string_of_levels : levels_spec -> string -> string -- 2.39.2