- let lambda = ref 0 in
- let rec start_loop idx states =
- TRACE("grammar", 2, __ "Node %i\n%!" (Node.to_int idx));
- if states == dummy_set then nil_res else
- if idx < Node.null then nil_res
- else begin
- let symbol = Grammar2.start_tag g idx in
- let fc = Grammar2.start_first_child g idx in
- let ns = Grammar2.start_next_sibling g fc in
- if Grammar2.is_terminal g symbol then
- let t = Grammar2.terminal symbol in
- terminal_loop t states (Grammar2.Leaf (~-1,0,term_array, fc)) (Grammar2.Leaf (~-1,1,term_array, ns))
- else
- let nt = Grammar2.non_terminal symbol in
- incr lambda;
- let lmbd = !lambda in
- let y0 = (Grammar2.Leaf (lmbd,0, term_array, fc))
- and y1 = (Grammar2.Leaf (lmbd,1, term_array, ns)) in
- rule_loop nt states y0 y1
- end
- and rule_loop (t : Grammar2.n_symbol) states y0 y1 =
- if t = Node.nil || states == dummy_set then nil_res else
- let () = incr rule_counter in
- if !rule_counter land 65535 == 0 then begin Gc.minor() end;
-(* let k = (t, states) in*)
-(* let pstates = DCache.find dcache k in
- let notfound = DCache.notfound pstates in *)
- let rhs = Grammar2.get_rule g t in
- let id1 = Grammar2.get_id1 rhs in
- let id2 = Grammar2.get_id2 rhs in
- let conf = Grammar2.get_conf rhs in
-(* if notfound then*)
- let ny0 = dispatch_param0 conf id2 y0 y1 in
- let ny1 = dispatch_param1 conf id2 y0 y1 in
- let res = dispatch_loop id1 states ny0 ny1 in
-(* pstates.(0) <- res.in0;
- pstates.(1) <- res.in1; *)
- res (*
- UCache.add ucache (t, states, fst res.out0, fst res.out1)
- res.main;
- let h = Hashtbl.create 7 in
- for i = 0 to res_len - 1 do
- Hashtbl.add h (0, i) (snd res.out0).(i);
- Hashtbl.add h (1, i) (snd res.out1).(i);
- done;
- { res with
- main = ((fst res.main), (U.close h (snd res.main)));
- } *)
-(*
- else
- let res0 = partial_loop y0 pstates.(0) in
- let res1 = partial_loop y1 pstates.(1) in
- let k2 = (t, states, fst res0.main, fst res1.main) in
- let s, r =
- try
- UCache.find ucache k2
- with
- Not_found ->
- let ores0 = { res0 with main = fst res0.main, U.var 0 (snd res0.main) }
- and ores1 = { res1 with main = fst res1.main, U.var 1 (snd res1.main) }
- in
- let res = dispatch_loop id1 states (Grammar2.Cache (0,ores0)) (Grammar2.Cache (1, ores1)) in
- UCache.add ucache k2 res.main;
- res.main
- in
- let h = Hashtbl.create 7 in
- for i = 0 to res_len - 1 do
- Hashtbl.add h (0, i) (snd res0.main).(i);
- Hashtbl.add h (1, i) (snd res1.main).(i);
- done;
- { in0 = pstates.(0);
- in1 = pstates.(1);
- out0 = res0.main;
- out1 = res1.main;
- main = s, U.close h r;
- }
-*)
- and dispatch_loop id1 states ny0 ny1 =
- if Grammar2.is_non_terminal g id1 then
- rule_loop (Grammar2.non_terminal id1) states ny0 ny1
- else
- terminal_loop (Grammar2.terminal id1) states ny0 ny1
-
- and terminal_loop (symbol : Grammar2.t_symbol) states y0 y1 =
-
- if symbol == Grammar2.nil_symbol || symbol = Node.nil || states == dummy_set then nil_res else begin
- let tag = Grammar2.tag symbol in
- let lst, rst, trans = get_trans tag states in
- let res0 = partial_loop y0 lst in
- let res1 = partial_loop y1 rst in
- let s1, slot1 = res0.main
- and s2, slot2 = res1.main in
- let opcode = L3JIT.find cache3 trans s1 s2 in
- let node = Node.of_int !preorder_counter in
- incr preorder_counter;
- let res =
- if opcode == L3JIT.dummy then
- (L3JIT.cache_apply cache3 auto trans s1 s2) empty_slot slot1 slot2 (Obj.magic ()) node
- else
- opcode empty_slot slot1 slot2 (Obj.magic()) (node)
- in
- { in0 = lst;
- in1 = rst;
- out0 = res0.main;
- out1 = res1.main;
- main = res }
- end
-
- and partial_loop l states =
- if l == dummy_leaf then nil_res else
- match l with
- | Grammar2.Cache (_, r) -> r
- | Grammar2.Leaf (_,_, _, id) -> start_loop id states
- | Grammar2.Node0 id ->
- if (Grammar2.terminal id) == Grammar2.nil_symbol then nil_res
- else
- rule_loop (Grammar2.non_terminal id) states dummy_leaf dummy_leaf
-
- | Grammar2.Node1 (id, y0) ->
- rule_loop (Grammar2.non_terminal id) states y0 dummy_leaf
- | Grammar2.Node2 (id, y0, y1) ->
- if Grammar2.is_terminal g id then
- terminal_loop (Grammar2.terminal id) states y0 y1
- else
- rule_loop (Grammar2.non_terminal id) states y0 y1