INCLUDE "debug.ml"
INCLUDE "trace.ml"
INCLUDE "utils.ml"
+let l3jit_dummy _ _ _ _ _ = failwith "Uninitialized L3JIT"
open Format
open Ata
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 ->
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