INCLUDE "debug.ml"
INCLUDE "trace.ml"
INCLUDE "utils.ml"
+let l3jit_dummy _ _ _ _ _ = failwith "Uninitialized L3JIT"
open Format
open Ata
| _ -> assert false
) trans (StateSet.empty, [], [])
-
-
module L3JIT =
struct
- type opcode = (t -> t -> t -> Tree.t -> Tree.node -> StateSet.t * t)
+ type opcode = (U.t -> U.t -> U.t -> Tree.t -> Tree.node -> StateSet.t * U.t)
type t = opcode Cache.Lvl3.t
-
let dummy _ _ _ _ _ = failwith "Uninitialized L3JIT"
- let show_stats a =
+ let show_stats (a : t) =
let count = ref 0 in
Cache.Lvl3.iteri (fun _ _ _ _ b -> if not b then incr count) a;
eprintf "%!L3JIT: %i used entries\n%!" !count
+
let create () =
let v = Cache.Lvl3.create 1024 dummy in
if !Options.verbose then at_exit (fun () -> show_stats v);
v
- let find t tlist s1 s2 =
+ let find (t : t) tlist s1 s2 =
Cache.Lvl3.find t
(Uid.to_int s2.StateSet.Node.id)
(Uid.to_int s1.StateSet.Node.id)
(Uid.to_int tlist.Translist.Node.id)
- let add t tlist s1 s2 v =
+ let add (t : t) tlist s1 s2 v =
Cache.Lvl3.add t
(Uid.to_int s2.StateSet.Node.id)
(Uid.to_int s1.StateSet.Node.id)
let orig_s1, orig_s2 =
Translist.fold (fun t (a1, a2) ->
let _, _, _, f = Transition.node t in
- let (_, _, fs1), (_, _, fs2) = Formula.st f in
+ let fs1, fs2 = Formula.st f in
(StateSet.union a1 fs1, StateSet.union a2 fs2)
) trl (StateSet.empty, StateSet.empty)
in
let cache_apply cache auto tlist s1 s2 =
let f = gen_code auto tlist s1 s2 in
- TRACE("grammar", 2, __ "Inserting: %i, %a, %a\n%!"
- (Uid.to_int tlist.Translist.Node.id) StateSet.print s1 StateSet.print s2);
add cache tlist s1 s2 f; f
end
l2jit_dispatch
_t (tag) (states) (ctx) (L2JIT.find cache2 (tag) (states)))
-DEFINE LOOP(t, states, ctx) = loop (t) (states) (ctx)
-DEFINE LOOP_TAG(t, states, tag, ctx) = loop_tag (t) (states) (ctx) (tag)
-
let top_down_run auto tree root states ctx =
let res_len = StateSet.max_elt auto.states + 1 in
let empty_slot = Array.create res_len U.NS.empty in
let nil_res = auto.bottom_states, empty_slot in
- let cache3 = L3JIT.create () in
- let mark_subtree =
- fun s subtree -> if subtree != U.NS.empty then
+ let cache3 = ResJIT.create () in
+ let mark_subtree s subtree =
+ if subtree != U.NS.empty then
let r = Array.copy empty_slot in
r.(auto.last) <- subtree;
s,r
else
s,empty_slot
in
- let l3jit_dispatch trl s1 s2 t sl1 sl2 =
+(* let l3jit_dispatch trl s1 s2 t sl1 sl2 =
let f = L3JIT.find cache3 trl s1 s2 in
- if f == L3JIT.dummy then (L3JIT.cache_apply cache3 auto trl s1 s2) empty_slot sl1 sl2 tree t
+ if f == l3jit_dummy then
+
+ (L3JIT.cache_apply cache3 auto trl s1 s2) empty_slot sl1 sl2 tree t
else f empty_slot sl1 sl2 tree t
+ in *)
+ let l3jit_dispatch trl s1 s2 t sl1 sl2 =
+ ResJIT.update U.exec cache3 auto trl s1 s2 empty_slot sl1 sl2 tree t
in
let cache2 = L2JIT.create () in
- let rec loop t states ctx =
- if t == Tree.nil then nil_res
- else
- let tag = Tree.tag tree t in
- l2jit_dispatch
- t tag (states) (ctx) (L2JIT.find cache2 tag (states))
- and loop_tag t states ctx tag =
- if t == Tree.nil then nil_res
- else
- l2jit_dispatch
- t (tag) (states) (ctx) (L2JIT.find cache2 (tag) (states))
- and l2jit_dispatch t tag states ctx opcode =
+ let rec l2jit_dispatch t tag states ctx opcode =
match opcode with
| L2JIT.RETURN -> nil_res
| L2JIT.CACHE ->
Format.eprintf "%a -> %a\n" State.print state ns_print ns;
end t
-
- let eval_trans auto tree parent res1 res2 = assert false
-
let rec uniq = function
| ([] | [ _ ]) as l -> l
| e1 :: ((e2 :: ll) as l) -> if e1 == e2 then uniq l
then acc
else
let _, _, _, phi = Transition.node trs in
- let (_,_,l), (_,_,r) = Formula.st phi in
+ let l, r = Formula.st phi in
(StateSet.union l lstates,
StateSet.union r rstates,
Translist.cons trs tacc)
end
+
+type 'a result_ops = {
+ empty : 'a;
+ subtree_tags : Tree.t -> Tree.node -> Tag.t -> 'a;
+ subtree_elements : Tree.t -> Tree.node -> 'a;
+ exec : 'a array -> 'a array -> 'a array -> Tree.node -> ResJIT.code -> unit;
+}
+
+let top_down_run rs auto tree root states ctx =
+ let res_len = StateSet.max_elt auto.states + 1 in
+ let empty_slot = Array.create res_len rs.empty in
+ let nil_res = auto.bottom_states, empty_slot in
+ let cache3 = ResJIT.create () in
+ let mark_subtree s subtree =
+ if subtree != rs.empty then
+ let r = Array.copy empty_slot in
+ r.(auto.last) <- subtree;
+ s,r
+ else
+ s,empty_slot
+ in
+ (* let l3jit_dispatch trl s1 s2 t sl1 sl2 =
+ let f = L3JIT.find cache3 trl s1 s2 in
+ if f == l3jit_dummy then
+
+ (L3JIT.cache_apply cache3 auto trl s1 s2) empty_slot sl1 sl2 tree t
+ else f empty_slot sl1 sl2 tree t
+
+ in *)
+ let l3jit_dispatch trl s1 s2 t sl1 sl2 =
+ ResJIT.update rs.exec cache3 auto trl s1 s2 empty_slot sl1 sl2 tree t
+ in
+ let cache2 = L2JIT.create () in
+
+ let rec l2jit_dispatch t tag states ctx opcode =
+ match opcode with
+ | L2JIT.RETURN -> nil_res
+ | L2JIT.CACHE ->
+ let opcode = L2JIT.compile cache2 auto tree tag states in
+ l2jit_dispatch t tag states ctx opcode
+
+ | L2JIT.LEFT (tr_list, instr) ->
+ let res1, slot1 =
+ l2jit_dispatch_instr t (Tree.closing tree t) instr
+ in
+ l3jit_dispatch tr_list res1 auto.bottom_states t slot1 empty_slot
+
+ | L2JIT.RIGHT (tr_list, instr) ->
+ let res2, slot2 =
+ l2jit_dispatch_instr t ctx instr
+ in
+ l3jit_dispatch tr_list auto.bottom_states res2 t empty_slot slot2
+
+ | L2JIT.BOTH (tr_list, instr1, instr2) ->
+ let res1, slot1 =
+ l2jit_dispatch_instr t (Tree.closing tree t) instr1
+ in
+ let res2, slot2 =
+ l2jit_dispatch_instr t ctx instr2
+ in
+ l3jit_dispatch tr_list res1 res2 t slot1 slot2
+
+ and l2jit_dispatch_instr t ctx instr =
+ match instr with
+ | L2JIT.FIRST_CHILD s -> LOOP ((Tree.first_child tree t), s, ctx)
+ | L2JIT.NEXT_SIBLING s -> LOOP ((Tree.next_sibling tree t), s, ctx)
+
+ | L2JIT.FIRST_ELEMENT s -> LOOP ((Tree.first_element tree t), s, ctx)
+ | L2JIT.NEXT_ELEMENT s -> LOOP ((Tree.next_element tree t), s, ctx)
+
+ | L2JIT.TAGGED_DESCENDANT (s, tag) ->
+ LOOP_TAG ((Tree.tagged_descendant tree t tag), s, tag, ctx)
+
+ | L2JIT.TAGGED_FOLLOWING (s, tag) ->
+ LOOP_TAG((Tree.tagged_following_before tree t tag ctx), s, tag, ctx)
+
+ | L2JIT.SELECT_DESCENDANT (s, _, us) ->
+ LOOP((Tree.select_descendant tree t us), s, ctx)
+
+ | L2JIT.SELECT_FOLLOWING (s, pt, us) ->
+ LOOP ((Tree.select_following_before tree t us ctx), s, ctx)
+
+ | L2JIT.TAGGED_CHILD (s, tag) ->
+ LOOP_TAG((Tree.tagged_child tree t tag), s, tag, ctx)
+
+ | L2JIT.TAGGED_FOLLOWING_SIBLING (s, tag) ->
+ LOOP_TAG((Tree.tagged_following_sibling tree t tag), s, tag, ctx)
+
+ | L2JIT.SELECT_CHILD (s, _, us) ->
+ LOOP ((Tree.select_child tree t us), s, ctx)
+
+ | L2JIT.SELECT_FOLLOWING_SIBLING (s, _, us) ->
+ LOOP ((Tree.select_following_sibling tree t us), s, ctx)
+
+ | L2JIT.TAGGED_SUBTREE(s, tag) ->
+ mark_subtree s (rs.subtree_tags tree t tag)
+
+ | L2JIT.ELEMENT_SUBTREE(s) ->
+ mark_subtree s (rs.subtree_elements tree t)
+ in
+ let r = LOOP (root, states, ctx) in
+ (*L3JIT.stats err_formatter cache3; *)
+ r
+
+let full_top_down_run rs auto states tree root =
+ top_down_run rs auto tree root states (Tree.closing tree root)
+
+let top_down_run rs auto tree root =
+ let res, slot = full_top_down_run rs auto auto.init tree root in
+ slot.(StateSet.min_elt auto.topdown_marking_states)
projects / SXSI / xpathcomp.git / blobdiff