+++ /dev/null
-(*
- ||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 A = Aut
-module D = Crg
-
-(* qualified identifier: uri, name, qualifiers *)
-type qid = D.uri * D.id * D.id list
-
-type context = E.attrs * D.term list
-
-type context_node = qid option (* context node: None = root *)
-
-type status = {
- path: D.id list; (* current section path *)
- node: context_node; (* current context node *)
- nodes: context_node list; (* context node list *)
- line: int; (* line number *)
- mk_uri:G.uri_generator (* uri generator *)
-}
-
-type resolver = Local of int
- | Global of context
-
-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 empty_cnt = [], []
-
-let add_abst (a, ws) id w =
- E.Name (id, true) :: a, w :: ws
-
-let mk_lref f i j k = f (D.TLRef ([E.Apix k], i, j))
-
-let id_of_name (id, _, _) = id
-
-let mk_qid f st id path =
- let str = String.concat "/" path in
- let str = Filename.concat str id in
- let str = st.mk_uri str in
- f (U.uri_of_string str, id, path)
-
-let uri_of_qid (uri, _, _) = uri
-
-let complete_qid f st (id, is_local, qs) =
- let f path = C.list_rev_append (mk_qid f st id) 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 = function
- | _ :: tl -> C.list_rev (mk_qid f st id) 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_gref err f st qid =
- try let cnt = K.find henv (uri_of_qid qid) in f qid cnt
- with Not_found -> err qid
-
-let resolve_gref_relaxed f st qid =
-(* this is not tail recursive *)
- let rec err qid = relax_qid (resolve_gref err f st) st qid in
- resolve_gref err f st qid
-
-let get_cnt err f st = function
- | None -> f empty_cnt
- | Some qid as node ->
- try let cnt = K.find hcnt (uri_of_qid qid) in f cnt
- with Not_found -> err node
-
-let get_cnt_relaxed f st =
-(* this is not tail recursive *)
- let rec err node = relax_opt_qid (get_cnt err f st) st node in
- get_cnt err f st st.node
-
-(****************************************************************************)
-
-let push_abst f lenv a w =
- let bw = D.Abst (N.infinite, [w]) in
- let f lenv = f lenv in
- D.push_bind f lenv a bw
-
-let lenv_of_cnt (a, ws) =
- D.push_bind C.start D.empty_lenv a (D.Abst (N.infinite, ws))
-
-(* this is not tail recursive in the GRef branch *)
-let rec xlate_term f st lenv = function
- | A.Sort s ->
- let f h = f (D.TSort ([], h)) in
- if s then f 0 else f 1
- | A.Appl (v, t) ->
- let f vv tt = f (D.TAppl ([], [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 f ww =
- let a = [E.Name (name, true)] in
- let f tt =
- let b = D.Abst (N.infinite, [ww]) in
- f (D.TBind (a, b, tt))
- in
- let f lenv = xlate_term f st lenv t in
- push_abst f lenv a ww
- in
- xlate_term f st lenv w
- | A.GRef (name, args) ->
- let map1 f = function
- | E.Name (id, _) -> f (A.GRef ((id, true, []), []))
- | _ -> C.err ()
- in
- let map2 f t = xlate_term f st lenv t in
- let g qid (a, _) =
- let gref = D.TGRef ([], uri_of_qid qid) in
- match args, a with
- | [], [] -> f gref
- | _ ->
- let f args = f (D.TAppl ([], args, gref)) in
- let f args = C.list_rev_map f map2 args in
- let f a = C.list_rev_map_append f map1 a ~tail:args in
- C.list_sub_strict f a args
- in
- let g qid = resolve_gref_relaxed g st qid in
- let err () = complete_qid g st name in
- D.resolve_lref err (mk_lref f) (id_of_name name) lenv
-
-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 cnt =
- let lenv = lenv_of_cnt cnt in
- let f ww =
- K.add hcnt (uri_of_qid qid) (add_abst cnt name ww);
- err {st with node = Some qid}
- in
- xlate_term f st lenv w
- in
- get_cnt_relaxed f st
- in
- complete_qid f st (name, true, [])
- | A.Decl (name, w) ->
- let f cnt =
- let a, ws = cnt in
- let lenv = lenv_of_cnt cnt in
- let f qid =
- let f ww =
- K.add henv (uri_of_qid qid) cnt;
- let t = match ws with
- | [] -> ww
- | _ -> D.TBind (a, D.Abst (N.infinite, ws), ww)
- in
-(*
- print_newline (); CrgOutput.pp_term print_string t;
-*)
- let b = E.Abst (N.infinite, t) in
- let entity = [E.Mark st.line], uri_of_qid qid, b in
- f {st with line = succ st.line} entity
- in
- xlate_term f st lenv w
- in
- complete_qid f st (name, true, [])
- in
- get_cnt_relaxed f st
- | A.Def (name, w, trans, v) ->
- let f cnt =
- let a, ws = cnt in
- let lenv = lenv_of_cnt cnt in
- let f qid =
- let f ww =
- let f vv =
- K.add henv (uri_of_qid qid) cnt;
- let t = match ws with
- | [] -> D.TCast ([], ww, vv)
- | _ -> D.TBind (a, D.Abst (N.infinite, ws), D.TCast ([], ww, vv))
- in
-(*
- print_newline (); CrgOutput.pp_term print_string t;
-*)
- let b = E.Abbr t in
- let a = E.Mark st.line :: if trans then [] else [E.Meta [E.Private]] in
- let entity = a, uri_of_qid qid, b in
- f {st with line = succ st.line} entity
- in
- xlate_term f st lenv v
- in
- xlate_term f st lenv w
- in
- complete_qid f st (name, true, [])
- in
- get_cnt_relaxed f st
-
-(* Interface functions ******************************************************)
-
-let initial_status () =
- K.clear henv; K.clear hcnt; {
- path = []; node = None; nodes = []; line = 1; mk_uri = G.get_mk_uri ()
-}
-
-let refresh_status st = {st with
- mk_uri = G.get_mk_uri ()
-}
-
-let crg_of_aut = xlate_entity
projects / helm.git / blobdiff