X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Flambda-delta%2Fsrc%2Ftoplevel%2FmetaAut.ml;fp=helm%2Fsoftware%2Flambda-delta%2Fsrc%2Ftoplevel%2FmetaAut.ml;h=0000000000000000000000000000000000000000;hb=d145ea48ed0bdb9642ced01283231f3f13d476b8;hp=be63450076cbaa964424735f74c9eeb856bb07f3;hpb=e7f64fe2cc67f3514131c8831f87311ff600d005;p=helm.git diff --git a/helm/software/lambda-delta/src/toplevel/metaAut.ml b/helm/software/lambda-delta/src/toplevel/metaAut.ml deleted file mode 100644 index be6345007..000000000 --- a/helm/software/lambda-delta/src/toplevel/metaAut.ml +++ /dev/null @@ -1,219 +0,0 @@ -(* - ||M|| This file is part of HELM, an Hypertextual, Electronic - ||A|| Library of Mathematics, developed at the Computer Science - ||T|| Department, University of Bologna, Italy. - ||I|| - ||T|| HELM is free software; you can redistribute it and/or - ||A|| modify it under the terms of the GNU General Public License - \ / version 2 or (at your option) any later version. - \ / This software is distributed as is, NO WARRANTY. - V_______________________________________________________________ *) - -module U = NUri -module K = U.UriHash -module C = Cps -module G = Options -module E = Entity -module N = Level -module M = Meta -module A = Aut - -(* qualified identifier: uri, name, qualifiers *) -type qid = M.uri * M.id * M.id list - -type context_node = qid option (* context node: None = root *) - -type status = { - path: M.id list; (* current section path *) - node: context_node; (* current context node *) - nodes: context_node list; (* context node list *) - line: int; (* line number *) - cover: string (* initial segment of URI hierarchy *) -} - -type resolver = Local of int - | Global of M.pars - -let henv_size, hcnt_size = 7000, 4300 (* hash tables initial sizes *) - -let henv = K.create henv_size (* optimized global environment *) - -let hcnt = K.create hcnt_size (* optimized context *) - -(* Internal functions *******************************************************) - -let id_of_name (id, _, _) = id - -let mk_qid st id path = - let uripath = if st.cover = "" then path else st.cover :: path in - let str = String.concat "/" uripath in - let str = Filename.concat str id in - U.uri_of_string ("ld:/" ^ str ^ ".ld"), id, path - -let uri_of_qid (uri, _, _) = uri - -let complete_qid f st (id, is_local, qs) = - let f qs = f (mk_qid st id qs) in - let f path = C.list_rev_append f path ~tail:qs in - let rec skip f = function - | phd :: ptl, qshd :: _ when phd = qshd -> f ptl - | _ :: ptl, _ :: _ -> skip f (ptl, qs) - | _ -> f [] - in - if is_local then f st.path else skip f (st.path, qs) - -let relax_qid f st (_, id, path) = - let f path = f (mk_qid st id path) in - let f = function - | _ :: tl -> C.list_rev f tl - | [] -> assert false - in - C.list_rev f path - -let relax_opt_qid f st = function - | None -> f None - | Some qid -> let f qid = f (Some qid) in relax_qid f st qid - -let resolve_lref f st l lenv id = - let rec aux f i = function - | [] -> f None - | (name, _) :: _ when name = id -> f (Some (M.LRef (l, i))) - | _ :: tl -> aux f (succ i) tl - in - aux f 0 lenv - -let resolve_lref_strict f st l lenv id = - let f = function - | Some t -> f t - | None -> assert false - in - resolve_lref f st l lenv id - -let resolve_gref f st qid = - try let args = K.find henv (uri_of_qid qid) in f qid (Some args) - with Not_found -> f qid None - -let resolve_gref_relaxed f st qid = -(* this is not tail recursive *) - let rec g qid = function - | None -> relax_qid (resolve_gref g st) st qid - | Some args -> f qid args - in - resolve_gref g st qid - -let get_pars f st = function - | None -> f [] None - | Some qid as node -> - try let pars = K.find hcnt (uri_of_qid qid) in f pars None - with Not_found -> f [] (Some node) - -let get_pars_relaxed f st = -(* this is not tail recursive *) - let rec g pars = function - | None -> f pars - | Some node -> relax_opt_qid (get_pars g st) st node - in - get_pars g st st.node - -(* this is not tail recursive on the GRef branch *) -let rec xlate_term f st lenv = function - | A.Sort sort -> - f (M.Sort sort) - | A.Appl (v, t) -> - let f vv tt = f (M.Appl (vv, tt)) in - let f vv = xlate_term (f vv) st lenv t in - xlate_term f st lenv v - | A.Abst (name, w, t) -> - let add name w lenv = (name, w) :: lenv in - let f ww tt = f (M.Abst (name, ww, tt)) in - let f ww = xlate_term (f ww) st (add name ww lenv) t in - xlate_term f st lenv w - | A.GRef (name, args) -> - let l = List.length lenv in - let g qid defs = - let map1 f = xlate_term f st lenv in - let map2 f (id, _) = resolve_lref_strict f st l lenv id in - let f tail = - let f args = f (M.GRef (l, uri_of_qid qid, args)) in - let f defs = C.list_rev_map_append f map2 defs ~tail in - C.list_sub_strict f defs args - in - C.list_map f map1 args - in - let g qid = resolve_gref_relaxed g st qid in - let f = function - | Some t -> f t - | None -> complete_qid g st name - in - resolve_lref f st l lenv (id_of_name name) - -let xlate_entity err f st = function - | A.Section (Some (_, name)) -> - err {st with path = name :: st.path; nodes = st.node :: st.nodes} - | A.Section None -> - begin match st.path, st.nodes with - | _ :: ptl, nhd :: ntl -> - err {st with path = ptl; node = nhd; nodes = ntl} - | _ -> assert false - end - | A.Context None -> - err {st with node = None} - | A.Context (Some name) -> - let f name = err {st with node = Some name} in - complete_qid f st name - | A.Block (name, w) -> - let f qid = - let f pars = - let f ww = - K.add hcnt (uri_of_qid qid) ((name, ww) :: pars); - err {st with node = Some qid} - in - xlate_term f st pars w - in - get_pars_relaxed f st - in - complete_qid f st (name, true, []) - | A.Decl (name, w) -> - let f pars = - let f qid = - let f ww = - K.add henv (uri_of_qid qid) pars; - let a = [E.Mark st.line] in - let entry = pars, ww, None in - let entity = a, uri_of_qid qid, E.Abst (N.infinite, entry) in - f {st with line = succ st.line} entity - in - xlate_term f st pars w - in - complete_qid f st (name, true, []) - in - get_pars_relaxed f st - | A.Def (name, w, trans, v) -> - let f pars = - let f qid = - let f ww vv = - K.add henv (uri_of_qid qid) pars; - let a = E.Mark st.line :: if trans then [] else [E.Priv] in - let entry = pars, ww, Some vv in - let entity = a, uri_of_qid qid, E.Abbr entry in - f {st with line = succ st.line} entity - in - let f ww = xlate_term (f ww) st pars v in - xlate_term f st pars w - in - complete_qid f st (name, true, []) - in - get_pars_relaxed f st - -(* Interface functions ******************************************************) - -let initial_status () = - K.clear henv; K.clear hcnt; { - path = []; node = None; nodes = []; line = 1; cover = !G.cover -} - -let refresh_status st = {st with - cover = !G.cover -} - -let meta_of_aut = xlate_entity