Rename 'Tracer' module to 'Logger'.

[SXSI/xpathcomp.git] / src / ata.ml

diff --git a/src/ata.ml b/src/ata.ml
index 21c1a7f..5287ed5 100644 (file)
--- a/src/ata.ml
+++ b/src/ata.ml
@@ -1,5 +1,6 @@
 INCLUDE "debug.ml"
 INCLUDE "utils.ml"
+INCLUDE "log.ml"
 
 open Format
 
@@ -118,12 +119,12 @@ let compute_jump auto tree states l marking =
     | [ (_, (l, r, _) ) ] when l == StateSet.empty -> JUMP_ONE(rel_labels)
 
     | _ ->
-      if Ptset.Int.mem Tag.pcdata rel_labels then
-       let () =
-         D_TRACE_(Format.eprintf ">>> Computed rel_labels: %a\n%!"
-                    TagSet.print (TagSet.inj_positive rel_labels))
-       in NODE
-      else STAR
+      if Ptset.Int.mem Tag.pcdata rel_labels then begin
+       LOG("top-down-approx", 3, __ "Computed rel_labels: %a\n"
+         TagSet.print
+         (TagSet.inj_positive rel_labels));
+       NODE
+      end else STAR
 
 module Cache = Hashtbl.Make(StateSet)
 let cache = Cache.create 1023
@@ -182,7 +183,7 @@ let top_down_approx auto states tree =
            else TagSet.positive ts
          in
          let _, _, m, f = Transition.node tr in
-         let (_, _, ls), (_, _, rs) = Formula.st f in
+         let ls, rs = Formula.st f in
          if Ptset.Int.is_empty pos then acc_tr
          else
            (TagSet.inj_positive pos, (ls, rs, m))::acc_tr
@@ -208,39 +209,42 @@ let top_down_approx auto states tree =
       merge_trans by_states merge_labels
        (List.sort by_states uniq_states_trs)
     in
-    D_TRACE_(
-      let is_pairwise_disjoint l =
-       List.for_all (fun ((ts, _) as tr) ->
-         List.for_all (fun ((ts', _) as tr') ->
-           (ts == ts' && (by_states tr tr' == 0)) ||
-             TagSet.is_empty (TagSet.cap ts ts')) l) l
-      in
-      let is_complete l = TagSet.positive
-       (List.fold_left (fun acc (ts, _) -> TagSet.cup acc ts)
-          TagSet.empty l)
-       ==
-       (Tree.node_tags tree)
-      in
-      eprintf "Top-down approximation (%b, %b):\n%!"
-       (is_pairwise_disjoint td_approx)
-       (is_complete td_approx);
-      List.iter (fun (ts,(l,r, m)) ->
-       let ts = if TagSet.cardinal ts >10
-         then TagSet.diff TagSet.any
-           (TagSet.diff
-              (TagSet.inj_positive (Tree.node_tags tree))
-              ts)
-         else ts
-       in
-       eprintf "%a, %a, %b -> %a, %a\n%!"
-         StateSet.print states
-         TagSet.print ts
-         m
-         StateSet.print l
-         StateSet.print r
-      ) td_approx;
-      eprintf "\n%!"
-
+    LOG(
+      "top-down-approx", 2,
+        let is_pairwise_disjoint l =
+          List.for_all (fun ((ts, _) as tr) ->
+            List.for_all (fun ((ts', _) as tr') ->
+              (ts == ts' && (by_states tr tr' == 0)) ||
+                TagSet.is_empty (TagSet.cap ts ts')) l) l
+        in
+        let is_complete l = TagSet.positive
+          (List.fold_left (fun acc (ts, _) -> TagSet.cup acc ts)
+             TagSet.empty l)
+          ==
+          (Tree.node_tags tree)
+        in
+        let pr_td_approx fmt td_approx =
+          List.iter (fun (ts,(l,r, m)) ->
+            let ts = if TagSet.cardinal ts >10
+              then TagSet.diff TagSet.any
+                (TagSet.diff
+                   (TagSet.inj_positive (Tree.node_tags tree))
+                   ts)
+              else ts
+            in
+            fprintf fmt "\t%a, %a, %b -> %a, %a\n%!"
+              StateSet.print states
+              TagSet.print ts
+              m
+              StateSet.print l
+              StateSet.print r
+          ) td_approx;
+          fprintf fmt "\n%!"
+        in
+        __ " pairwise-disjoint:%b, complete:%b:\n%a"
+          (is_pairwise_disjoint td_approx)
+          (is_complete td_approx)
+          pr_td_approx td_approx
     );
     let jump =
       compute_jump
@@ -249,3 +253,27 @@ let top_down_approx auto states tree =
     in
     Cache.add cache states jump; jump
 
+
+
+let get_trans ?(attributes=TagSet.empty) auto states tag =
+  StateSet.fold (fun q acc ->
+    List.fold_left (fun ((tr_acc, l_acc, r_acc) as acc) (ts, tr) ->
+      let ts = if ts == TagSet.star then TagSet.diff ts attributes else ts
+      in
+      let b = TagSet.mem tag ts in
+      let () = LOG("transition", 3, __ "Transition: %a, tag=%s, %s\n%!"
+       Transition.print
+       tr
+       (Tag.to_string tag)
+       (if b then "selected" else "not selected"))
+      in
+      if b then
+       let _, _, _, f = Transition.node tr in
+       let l, r = Formula.st f in
+       (Translist.cons tr tr_acc,
+        StateSet.union l l_acc,
+        StateSet.union r r_acc)
+      else acc) acc (Hashtbl.find auto.trans q))
+    states
+    (Translist.nil, StateSet.empty, StateSet.empty)
+