X-Git-Url: http://git.nguyen.vg/gitweb/?p=tatoo.git;a=blobdiff_plain;f=src%2Fauto%2Feval.ml;h=4a27fa5cd8ee931242f9b293cf7141213f79fccf;hp=4921b7f203a90b4c4aad4f2ec422c264ecf84c09;hb=03b6a364e7240ca827585e7baff225a0aaa33bc6;hpb=35c32fbd2543a399cc6939f21317bebf37172646 diff --git a/src/auto/eval.ml b/src/auto/eval.ml index 4921b7f..4a27fa5 100644 --- a/src/auto/eval.ml +++ b/src/auto/eval.ml @@ -14,94 +14,86 @@ (***********************************************************************) (* - Time-stamp: + Time-stamp: *) INCLUDE "utils.ml" open Format open Utils -module Make (T : Tree.Sig.S) = struct +module Make (T : Tree.Sig.S) : + sig + val eval : Ata.t -> T.t -> T.node -> T.node list + end + = struct - type cache = (int, StateSet.t) Hashtbl.t - let get c t n = - try Hashtbl.find c (T.preorder t n) - with Not_found -> StateSet.empty +IFDEF HTMLTRACE + THEN +DEFINE TRACE(e) = (e) + ELSE +DEFINE TRACE(e) = () +END - let set c t n v = Hashtbl.replace c (T.preorder t n) v - let eval_form phi tree node fcs nss ps ss = - let rec loop phi = - match Ata.SFormula.expr phi with - Formula.True -> true - | Formula.False -> false - | Formula.Atom a -> - let p, b, q = Ata.Atom.node a in - let pos = - let open Ata in - match p with - | First_child -> StateSet.mem q fcs - | Next_sibling -> StateSet.mem q nss - | Parent | Previous_sibling -> StateSet.mem q ps - | Stay -> StateSet.mem q ss - | Is_first_child -> - node == (T.first_child tree (T.parent tree node)) - | Is_next_sibling -> - node == (T.next_sibling tree (T.parent tree node)) - | Is_attribute -> - QName.has_attribute_prefix (T.tag tree node) - | Has_first_child -> - T.nil != T.first_child tree node - | Has_next_sibling -> - T.nil != T.next_sibling tree node - in - if Ata.is_move p && (not b) then - eprintf "Warning: Invalid negative atom %a" Ata.Atom.print a; - b == pos - | Formula.And(phi1, phi2) -> loop phi1 && loop phi2 - | Formula.Or (phi1, phi2) -> loop phi1 || loop phi2 - in - loop phi - let eval_trans l tree node fcs nss ps ss acc = - List.fold_left (fun (acct, accs) ((q, phi) as trs) -> - if StateSet.mem q accs then (acct, accs) else - if eval_form phi tree node fcs nss ps ss then - (acct, StateSet.add q accs) - else - (trs::acct, accs) - ) ([], acc) l - let top_down_run auto tree node cache i = + type cache = StateSet.t Cache.N1.t + let get c t n = Cache.N1.find c (T.preorder t n) + + let set c t n v = Cache.N1.add c (T.preorder t n) v + + + let top_down_run auto tree node cache _i = let redo = ref false in let rec loop node = if node != T.nil then begin let parent = T.parent tree node in let fc = T.first_child tree node in let ns = T.next_sibling tree node in - let states0 = get cache tree node in let tag = T.tag tree node in - let trans0 = Ata.get_trans auto auto.Ata.states tag in + let states0 = get cache tree node in + let trans0 = Ata.get_trans auto tag auto.Ata.states in + let () = + TRACE(Html.trace (T.preorder tree node) _i "Pre States: %a
Pre Trans: %a
" + StateSet.print states0 (Ata.TransList.print ~sep:"
") trans0) + in let ps = get cache tree parent in let fcs = get cache tree fc in let nss = get cache tree ns in - eprintf "-- [Iteration % 4d] --\n node: %a\n%!" i T.print_node node; - List.iter (fun (q, phi) -> eprintf " %a -> %a\n" - State.print q Ata.SFormula.print phi) trans0; - eprintf "----------------------\n%!"; + let is_left = node == T.first_child tree parent + and is_right = node == T.next_sibling tree parent + and has_left = fc != T.nil + and has_right = ns != T.nil + and kind = T.kind tree node + in let trans1, states1 = - eval_trans trans0 tree node fcs nss ps states0 states0 + Ata.eval_trans auto trans0 + fcs nss ps states0 + is_left is_right has_left has_right kind + in + let () = + TRACE(Html.trace (T.preorder tree node) _i "TD States: %a
TD Trans: %a
" StateSet.print states1 (Ata.TransList.print ~sep:"
") trans1) in if states1 != states0 then set cache tree node states1; let () = loop fc in let fcs1 = get cache tree fc in let trans2, states2 = - eval_trans trans1 tree node fcs1 nss ps states1 states1 + Ata.eval_trans auto trans1 + fcs1 nss ps states1 + is_left is_right has_left has_right kind + in + let () = + TRACE(Html.trace (T.preorder tree node) _i "Left BU States: %a
Left BU Trans: %a
" StateSet.print states2 (Ata.TransList.print ~sep:"
") trans2) in if states2 != states1 then set cache tree node states2; let () = loop ns in - let _, states3 = - eval_trans trans2 tree node fcs1 (get cache tree ns) ps states2 states2 + let _trans3, states3 = + Ata.eval_trans auto trans2 + fcs1 (get cache tree ns) ps states2 + is_left is_right has_left has_right kind + in + let () = + TRACE(Html.trace (T.preorder tree node) _i "Right BU States: %a
Right BU Trans: %a
" StateSet.print states3 (Ata.TransList.print ~sep:"
") _trans3) in if states3 != states2 then set cache tree node states3; if states0 != states3 && (not !redo) then redo := true @@ -125,13 +117,16 @@ module Make (T : Tree.Sig.S) = struct loop node [] let eval auto tree node = - let cache = Hashtbl.create 511 in + let cache = Cache.N1.create StateSet.empty in let redo = ref true in let iter = ref 0 in + Ata.reset auto; while !redo do redo := top_down_run auto tree node cache !iter; incr iter; done; - get_results auto tree node cache + let r = get_results auto tree node cache in + TRACE(Html.gen_trace (module T : Tree.Sig.S with type t = T.t) (tree)); + r end