X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=ata.ml;h=2a60708b3aa35e0ab5e89a94f021d085c6165ce5;hb=df5fdb22632be887ecd9f5c46a014e7e970148a2;hp=b2b694ffc8efd22f51ce2f5cb95d3271307bb9b7;hpb=b1e6806834df253d5454fffad7f14fb24c74af70;p=SXSI%2Fxpathcomp.git diff --git a/ata.ml b/ata.ml index b2b694f..2a60708 100644 --- a/ata.ml +++ b/ata.ml @@ -1,88 +1,95 @@ INCLUDE "debug.ml" INCLUDE "utils.ml" - +open Camlp4.Struct type jump_kind = [ `TAG of Tag.t | `CONTAINS of string | `NOTHING ] -let cpt_trans = ref 0 -let miss_trans = ref 0 -let cpt_eval = ref 0 -let miss_eval = ref 0 (* Todo : move elsewhere *) external vb : bool -> int = "%identity" -module State : -sig - include Sigs.T with type t = int - val make : unit -> t +module State : +sig + include Sigs.T with type t = int + val make : unit -> t end = struct type t = int - let make = - let id = ref (-1) in - fun () -> incr id;!id + let make = + let id = ref ~-1 in + fun () -> incr id; !id + let compare = (-) let equal = (==) external hash : t -> int = "%identity" let print fmt x = Format.fprintf fmt "%i" x let dump fmt x = print fmt x - let check x = + let check x = if x < 0 then failwith (Printf.sprintf "State: Assertion %i < 0 failed" x) end -module StateSet = struct - include Ptset.Int - let print ppf s = +module StateSet = +struct + include Ptset.Make ( struct type t = int + type data = t + external hash : t -> int = "%identity" + external uid : t -> Uid.t = "%identity" + external equal : t -> t -> bool = "%eq" + external make : t -> int = "%identity" + external node : t -> int = "%identity" + external with_id : Uid.t -> t = "%identity" + end + ) + let print ppf s = Format.pp_print_string ppf "{ "; iter (fun i -> Format.fprintf ppf "%i " i) s; Format.pp_print_string ppf "}"; Format.pp_print_flush ppf () end - + module Formula = struct - type 'hcons expr = + type 'hcons expr = | False | True | Or of 'hcons * 'hcons | And of 'hcons * 'hcons | Atom of ([ `Left | `Right | `LLeft | `RRight ]*bool*State.t) + type 'hcons node = { pos : 'hcons expr; mutable neg : 'hcons; st : (StateSet.t*StateSet.t*StateSet.t)*(StateSet.t*StateSet.t*StateSet.t); size: int; (* Todo check if this is needed *) } - - external hash_const_variant : [> ] -> int = "%identity" - module rec HNode : Hcons.S with type data = Node.t = Hcons.Make (Node) - and Node : Hashtbl.HashedType with type t = HNode.t node = - struct - type t = HNode.t node + + external hash_const_variant : [> ] -> int = "%identity" + module rec Node : Hcons.S with type data = Data.t = Hcons.Make (Data) + and Data : Hashtbl.HashedType with type t = Node.t node = + struct + type t = Node.t node let equal x y = x.size == y.size && match x.pos,y.pos with - | False,False - | True,True -> true - | Or(xf1,xf2),Or(yf1,yf2) - | And(xf1,xf2),And(yf1,yf2) -> (HNode.equal xf1 yf1) && (HNode.equal xf2 yf2) - | Atom(d1,p1,s1), Atom(d2,p2,s2) -> d1 == d2 && (p1==p2) && s1 == s2 - | _ -> false - let hash f = + | a,b when a == b -> true + | Or(xf1,xf2),Or(yf1,yf2) + | And(xf1,xf2),And(yf1,yf2) -> (xf1 == yf1) && (xf2 == yf2) + | Atom(d1,p1,s1), Atom(d2,p2,s2) -> d1 == d2 && (p1==p2) && s1 == s2 + | _ -> false + let hash f = match f.pos with | False -> 0 | True -> 1 - | Or (f1,f2) -> HASHINT3(PRIME2,HNode.hash f1,HNode.hash f2) - | And (f1,f2) -> HASHINT3(PRIME3,HNode.hash f1,HNode.hash f2) - | Atom(d,p,s) -> HASHINT4(PRIME4,hash_const_variant d,vb p,s) + | Or (f1,f2) -> HASHINT3(PRIME2,Uid.to_int f1.Node.id, Uid.to_int f2.Node.id) + | And (f1,f2) -> HASHINT3(PRIME3,Uid.to_int f1.Node.id, Uid.to_int f2.Node.id) + | Atom(d,p,s) -> HASHINT4(PRIME4,hash_const_variant d,vb p,s) end - type t = HNode.t - let hash = HNode.hash - let uid = HNode.uid - let equal = HNode.equal - let expr f = (HNode.node f).pos - let st f = (HNode.node f ).st - let size f = (HNode.node f).size - - let prio f = + type t = Node.t + let hash x = x.Node.key + let uid x = x.Node.id + let equal = Node.equal + let expr f = f.Node.node.pos + let st f = f.Node.node.st + let size f = f.Node.node.size + + let prio f = match expr f with | True | False -> 10 | Atom _ -> 8 @@ -94,42 +101,42 @@ struct let _ = match expr f with | True -> Format.fprintf ppf "T" | False -> Format.fprintf ppf "F" - | And(f1,f2) -> + | And(f1,f2) -> print ~parent:(prio f > prio f1) ppf f1; Format.fprintf ppf " ∧ "; print ~parent:(prio f > prio f2) ppf f2; - | Or(f1,f2) -> + | Or(f1,f2) -> (print ppf f1); Format.fprintf ppf " ∨ "; (print ppf f2); | Atom(dir,b,s) -> Format.fprintf ppf "%s%s[%i]" (if b then "" else "¬") - (match dir with - | `Left -> "↓₁" + (match dir with + | `Left -> "↓₁" | `Right -> "↓₂" - | `LLeft -> "⇓₁" + | `LLeft -> "⇓₁" | `RRight -> "⇓₂") s in if parent then Format.fprintf ppf ")" - + let print ppf f = print ~parent:false ppf f - + let is_true f = (expr f) == True let is_false f = (expr f) == False let cons pos neg s1 s2 size1 size2 = - let nnode = HNode.make { pos = neg; neg = (Obj.magic 0); st = s2; size = size2 } in - let pnode = HNode.make { pos = pos; neg = nnode ; st = s1; size = size1 } - in - (HNode.node nnode).neg <- pnode; (* works because the neg field isn't taken into + let nnode = Node.make { pos = neg; neg = (Obj.magic 0); st = s2; size = size2 } in + let pnode = Node.make { pos = pos; neg = nnode ; st = s1; size = size1 } + in + (Node.node nnode).neg <- pnode; (* works because the neg field isn't taken into account for hashing ! *) pnode,nnode let empty_triple = StateSet.empty,StateSet.empty,StateSet.empty let empty_hex = empty_triple,empty_triple let true_,false_ = cons True False empty_hex empty_hex 0 0 - let atom_ d p s = + let atom_ d p s = let si = StateSet.singleton s in let ss = match d with | `Left -> (si,StateSet.empty,si),empty_triple @@ -138,25 +145,25 @@ struct | `RRight -> empty_triple,(StateSet.empty,si,si) in fst (cons (Atom(d,p,s)) (Atom(d,not p,s)) ss ss 1 1) - let not_ f = (HNode.node f).neg + let not_ f = f.Node.node.neg let union_hex ((l1,ll1,lll1),(r1,rr1,rrr1)) ((l2,ll2,lll2),(r2,rr2,rrr2)) = (StateSet.mem_union l1 l2 ,StateSet.mem_union ll1 ll2,StateSet.mem_union lll1 lll2), (StateSet.mem_union r1 r2 ,StateSet.mem_union rr1 rr2,StateSet.mem_union rrr1 rrr2) - + let merge_states f1 f2 = - let sp = + let sp = union_hex (st f1) (st f2) - and sn = + and sn = union_hex (st (not_ f1)) (st (not_ f2)) in sp,sn - let order f1 f2 = if uid f1 < uid f2 then f2,f1 else f1,f2 + let order f1 f2 = if uid f1 < uid f2 then f2,f1 else f1,f2 - let or_ f1 f2 = + let or_ f1 f2 = (* Tautologies: x|x, x|not(x) *) - if equal f1 f2 then f1 else + if equal f1 f2 then f1 else if equal f1 (not_ f2) then true_ else (* simplification *) @@ -166,19 +173,19 @@ struct if is_false f2 then f1 else (* commutativity of | *) - + let f1,f2 = order f1 f2 in let psize = (size f1) + (size f2) in let nsize = (size (not_ f1)) + (size (not_ f2)) in let sp,sn = merge_states f1 f2 in - fst (cons (Or(f1,f2)) (And(not_ f1,not_ f2)) sp sn psize nsize) - - - let and_ f1 f2 = + fst (cons (Or(f1,f2)) (And(not_ f1,not_ f2)) sp sn psize nsize) + + + let and_ f1 f2 = (* Tautologies: x&x, x¬(x) *) - if equal f1 f2 then f1 else + if equal f1 f2 then f1 else if equal f1 (not_ f2) then false_ else (* simplifications *) @@ -187,14 +194,14 @@ struct if is_false f1 || is_false f2 then false_ else if is_true f1 then f2 else if is_true f2 then f1 else - + (* commutativity of & *) - let f1,f2 = order f1 f2 in + let f1,f2 = order f1 f2 in let psize = (size f1) + (size f2) in let nsize = (size (not_ f1)) + (size (not_ f2)) in let sp,sn = merge_states f1 f2 in - fst (cons (And(f1,f2)) (Or(not_ f1,not_ f2)) sp sn psize nsize) + fst (cons (And(f1,f2)) (Or(not_ f1,not_ f2)) sp sn psize nsize) module Infix = struct let ( +| ) f1 f2 = or_ f1 f2 let ( *& ) f1 f2 = and_ f1 f2 @@ -202,19 +209,23 @@ struct let ( *- ) d s = atom_ d false s end end - + module Transition = struct - - type node = State.t*bool*Formula.t*bool + + type node = State.t*TagSet.t*bool*Formula.t*bool include Hcons.Make(struct type t = node - let hash (s,m,f,b) = HASHINT4(s,Formula.uid f,vb m,vb b) - let equal (s,b,f,m) (s',b',f',m') = - s == s' && b==b' && m==m' && Formula.equal f f' + let hash (s,ts,m,f,b) = HASHINT5(s,Uid.to_int (TagSet.uid ts), + Uid.to_int (Formula.uid f), + vb m,vb b) + let equal (s,ts,b,f,m) (s',ts',b',f',m') = + s == s' && ts == ts' && b==b' && m==m' && f == f' end) - - let print ppf f = let (st,mark,form,b) = node f in - Format.fprintf ppf "%i %s" st (if mark then "⇒" else "→"); + + let print ppf f = let (st,ts,mark,form,b) = node f in + Format.fprintf ppf "(%i, " st; + TagSet.print ppf ts; + Format.fprintf ppf ") %s" (if mark then "⇒" else "→"); Formula.print ppf form; Format.fprintf ppf "%s%!" (if b then " (b)" else "") @@ -223,63 +234,59 @@ module Transition = struct let ( ?< ) x = x let ( >< ) state (l,mark) = state,(l,mark,false) let ( ><@ ) state (l,mark) = state,(l,mark,true) - let ( >=> ) (state,(label,mark,bur)) form = (state,label,(make (state,mark,form,bur))) + let ( >=> ) (state,(label,mark,bur)) form = (state,label,(make (state,label,mark,form,bur))) end end -module SetTagKey = -struct - type t = Ptset.Int.t*Tag.t - let equal (s1,t1) (s2,t2) = (t1 == t2) && Ptset.Int.equal s1 s2 - let hash (s,t) = HASHINT2(Ptset.Int.hash s,Tag.hash t) +module Formlist = struct + include Hlist.Make(Transition) + let print ppf fl = + iter (fun t -> Transition.print ppf t; Format.pp_print_newline ppf ()) fl end -module TransTable = Hashtbl -module CachedTransTable = Hashtbl.Make(SetTagKey) - -module Formlist = struct - include Ptset.Make(Transition) - let print ppf fl = - iter (fun t -> Transition.print ppf t; Format.pp_print_newline ppf ()) fl +module Formlistlist = +struct + include Hlist.Make(Formlist) + let print ppf fll = + iter (fun fl -> Formlist.print ppf fl; Format.pp_print_newline ppf ())fll end - -type 'a t = { +type 'a t = { id : int; - mutable states : Ptset.Int.t; - init : Ptset.Int.t; - starstate : Ptset.Int.t option; + mutable states : StateSet.t; + init : StateSet.t; + starstate : StateSet.t option; (* Transitions of the Alternating automaton *) trans : (State.t,(TagSet.t*Transition.t) list) Hashtbl.t; query_string: string; } - -let dump ppf a = + +let dump ppf a = Format.fprintf ppf "Automaton (%i) :\n" a.id; Format.fprintf ppf "States : "; StateSet.print ppf a.states; Format.fprintf ppf "\nInitial states : "; StateSet.print ppf a.init; Format.fprintf ppf "\nAlternating transitions :\n"; - let l = Hashtbl.fold (fun k t acc -> + let l = Hashtbl.fold (fun k t acc -> (List.map (fun (ts,tr) -> (ts,k),Transition.node tr) t) @ acc) a.trans [] in - let l = List.sort (fun ((tsx,x),_) ((tsy,y),_) -> + let l = List.sort (fun ((tsx,x),_) ((tsy,y),_) -> if y-x == 0 then TagSet.compare tsy tsx else y-x) l in - let maxh,maxt,l_print = + let maxh,maxt,l_print = List.fold_left ( - fun (maxh,maxt,l) ((ts,q),(_,b,f,_)) -> - let s = - if TagSet.is_finite ts + fun (maxh,maxt,l) ((ts,q),(_,_,b,f,_)) -> + let s = + if TagSet.is_finite ts then "{" ^ (TagSet.fold (fun t a -> a ^ " '" ^ (Tag.to_string t)^"'") ts "") ^" }" else let cts = TagSet.neg ts in - if TagSet.is_empty cts then "*" else - (TagSet.fold (fun t a -> a ^ " " ^ (Tag.to_string t)) cts "*\\{" - )^ "}" + if TagSet.is_empty cts then "*" else + (TagSet.fold (fun t a -> a ^ " " ^ (Tag.to_string t)) cts "*\\{" + )^ "}" in let s = Printf.sprintf "(%s,%i)" s q in let s_frm = Formula.print Format.str_formatter f; - Format.flush_str_formatter() + Format.flush_str_formatter() in (max (String.length s) maxh, max (String.length s_frm) maxt, (s,(if b then "⇒" else "→"),s_frm)::l)) (0,0,[]) l @@ -288,125 +295,164 @@ let dump ppf a = List.iter (fun (s,m,f) -> let s = s ^ (String.make (maxh-(String.length s)) ' ') in Format.fprintf ppf "%s %s %s\n" s m f) l_print; Format.fprintf ppf "%s\n%!" (String.make (maxt+maxh+3) '_') - - -module MemoForm = Memoizer.Make( - Hashtbl.Make(struct - type t = Formula.t*(StateSet.t*StateSet.t) - let equal (f1,(s1,t1)) (f2,(s2,t2)) = - Formula.equal f1 f2 && StateSet.equal s1 s2 && StateSet.equal t1 t2 - let hash (f,(s,t)) = - HASHINT3(Formula.uid f ,StateSet.uid s,StateSet.uid t) - end)) - + + +module FormTable = Hashtbl.Make(struct + type t = Formula.t*StateSet.t*StateSet.t + let equal (f1,s1,t1) (f2,s2,t2) = + f1 == f2 && s1 == s2 && t1 == t2 + let hash (f,s,t) = + HASHINT3(Uid.to_int (Formula.uid f), + Uid.to_int (StateSet.uid s), + Uid.to_int (StateSet.uid t)) + end) module F = Formula - let eval_form_bool f s1 s2 = - let sets = (s1,s2) in - let eval = MemoForm.make_rec( - fun eval (f,_) -> - match F.expr f with - | F.True -> true,true,true - | F.False -> false,false,false - | F.Atom((`Left|`LLeft),b,q) -> - if b == (StateSet.mem q s1) - then (true,true,false) - else false,false,false - | F.Atom(_,b,q) -> - if b == (StateSet.mem q s2) - then (true,false,true) - else false,false,false - | F.Or(f1,f2) -> - let b1,rl1,rr1 = eval (f1,sets) - in - if b1 && rl1 && rr1 then (true,true,true) else - let b2,rl2,rr2 = eval (f2,sets) in - let rl1,rr1 = if b1 then rl1,rr1 else false,false - and rl2,rr2 = if b2 then rl2,rr2 else false,false - in (b1 || b2, rl1||rl2,rr1||rr2) - - | F.And(f1,f2) -> - let b1,rl1,rr1 = eval (f1,sets) in - if b1 && rl1 && rr1 then (true,true,true) else - if b1 then - let b2,rl2,rr2 = eval (f2,sets) in - if b2 then (true,rl1||rl2,rr1||rr2) else (false,false,false) - else (false,false,false) - ) - in - eval (f,sets) - - - module MemoFormlist = Memoizer.Make( - Hashtbl.Make(struct - type t = Formlist.t*(StateSet.t*StateSet.t) - let equal (f1,(s1,t1)) (f2,(s2,t2)) = - Formlist.equal f1 f2 && StateSet.equal s1 s2 && StateSet.equal t1 t2 - let hash (f,(s,t)) = - HASHINT3(Formlist.uid f ,StateSet.uid s,StateSet.uid t) - end)) - - let eval_formlist ?(memo=true) s1 s2 fl = - let sets = (s1,s2) in - let eval = MemoFormlist.make_rec ( - fun eval (fl,_) -> - if Formlist.is_empty fl - then StateSet.empty,false,false,false,false - else - let f,fll = Formlist.uncons fl in - let q,mark,f,_ = Transition.node f in - let b,b1,b2 = eval_form_bool f s1 s2 in - let s,b',b1',b2',amark = eval (fll,sets) in - if b then (StateSet.add q s, b, b1'||b1,b2'||b2,mark||amark) - else s,b',b1',b2',amark ) - in eval (fl,sets) - - - let tags_of_state a q = - Hashtbl.fold - (fun p l acc -> - if p == q then List.fold_left - (fun acc (ts,t) -> - let _,_,_,aux = Transition.node t in - if aux then acc else - TagSet.cup ts acc) acc l - - else acc) a.trans TagSet.empty - - - - let tags a qs = +let eval_form_bool = + let h_f = FormTable.create BIG_H_SIZE in + fun f s1 s2 -> + let rec loop f = + match F.expr f with + | F.True -> true,true,true + | F.False -> false,false,false + | F.Atom((`Left|`LLeft),b,q) -> + if b == (StateSet.mem q s1) + then (true,true,false) + else false,false,false + | F.Atom(_,b,q) -> + if b == (StateSet.mem q s2) + then (true,false,true) + else false,false,false + | f' -> + try FormTable.find h_f (f,s1,s2) + with Not_found -> let r = + match f' with + | F.Or(f1,f2) -> + let b1,rl1,rr1 = loop f1 + in + if b1 && rl1 && rr1 then (true,true,true) else + let b2,rl2,rr2 = loop f2 in + let rl1,rr1 = if b1 then rl1,rr1 else false,false + and rl2,rr2 = if b2 then rl2,rr2 else false,false + in (b1 || b2, rl1||rl2,rr1||rr2) + + | F.And(f1,f2) -> + let b1,rl1,rr1 = loop f1 in + if b1 && rl1 && rr1 then (true,true,true) else + if b1 then + let b2,rl2,rr2 = loop f2 in + if b2 then (true,rl1||rl2,rr1||rr2) else (false,false,false) + else (false,false,false) + | _ -> assert false + in FormTable.add h_f (f,s1,s2) r;r + in loop f + + +module FTable = Hashtbl.Make(struct + type t = Tag.t*Formlist.t*StateSet.t*StateSet.t + let equal (tg1,f1,s1,t1) (tg2,f2,s2,t2) = + tg1 == tg2 && f1 == f2 && s1 == s2 && t1 == t2;; + let hash (tg,f,s,t) = + HASHINT4(tg, Uid.to_int (Formlist.uid f), + Uid.to_int (StateSet.uid s), + Uid.to_int (StateSet.uid t)) + end) + + +let h_f = FTable.create BIG_H_SIZE +type merge_conf = NO | ONLY1 | ONLY2 | ONLY12 | MARK | MARK1 | MARK2 | MARK12 +(* 000 001 010 011 100 101 110 111 *) +let eval_formlist tag s1 s2 fl = + let rec loop fl = + try + FTable.find h_f (tag,fl,s1,s2) + with + | Not_found -> + match Formlist.node fl with + | Formlist.Cons(f,fll) -> + let q,ts,mark,f,_ = Transition.node f in + let b,b1,b2 = + if TagSet.mem tag ts then eval_form_bool f s1 s2 else (false,false,false) + in + let (s,(b',b1',b2',amark)) as res = loop fll in + let r = if b then (StateSet.add q s, (b, b1'||b1,b2'||b2,mark||amark)) + else res + in FTable.add h_f (tag,fl,s1,s2) r;r + | Formlist.Nil -> StateSet.empty,(false,false,false,false) + in + let r,conf = loop fl + in + r,(match conf with + | (false,_,_,_) -> NO + | (_,false,false,false) -> NO + | (_,true,false,false) -> ONLY1 + | (_,false,true,false) -> ONLY2 + | (_,true,true,false) -> ONLY12 + | (_,false,false,true) -> MARK + | (_,true,false,true) -> MARK1 + | (_,false,true,true) -> MARK2 + | _ -> MARK12) + +let bool_of_merge conf = + match conf with + | NO -> false,false,false,false + | ONLY1 -> true,true,false,false + | ONLY2 -> true,false,true,false + | ONLY12 -> true,true,true,false + | MARK -> true,false,false,true + | MARK1 -> true,true,false,true + | MARK2 -> true,false,true,true + | MARK12 -> true,true,true,true + + +let tags_of_state a q = + Hashtbl.fold + (fun p l acc -> + if p == q then List.fold_left + (fun acc (ts,t) -> + let _,_,_,_,aux = Transition.node t in + if aux then acc else + TagSet.cup ts acc) acc l + + else acc) a.trans TagSet.empty + + + + let tags a qs = let ts = Ptset.Int.fold (fun q acc -> TagSet.cup acc (tags_of_state a q)) qs TagSet.empty in - if TagSet.is_finite ts + if TagSet.is_finite ts then `Positive(TagSet.positive ts) else `Negative(TagSet.negative ts) - + let inter_text a b = match b with | `Positive s -> let r = Ptset.Int.inter a s in (r,Ptset.Int.mem Tag.pcdata r, true) | `Negative s -> let r = Ptset.Int.diff a s in (r, Ptset.Int.mem Tag.pcdata r, false) - let mk_nil_ctx x _ = Tree.mk_nil x - let next_sibling_ctx x _ = Tree.next_sibling x - let r_ignore _ x = x - - module type ResultSet = + module type ResultSet = sig type t + type elt = [` Tree ] Tree.node val empty : t - val cons : Tree.t -> t -> t + val cons : elt -> t -> t val concat : t -> t -> t - val iter : (Tree.t -> unit) -> t -> unit - val fold : (Tree.t -> 'a -> 'a) -> t -> 'a -> 'a - val map : (Tree.t -> Tree.t) -> t -> t + val iter : ( elt -> unit) -> t -> unit + val fold : ( elt -> 'a -> 'a) -> t -> 'a -> 'a + val map : ( elt -> elt) -> t -> t val length : t -> int + val merge : merge_conf -> elt -> t -> t -> t + val mk_quick_tag_loop : (elt -> elt -> 'a*t array) -> 'a -> int -> Tree.t -> Tag.t -> (elt -> elt -> 'a*t array) + val mk_quick_star_loop : (elt -> elt -> 'a*t array) -> 'a -> int -> Tree.t -> (elt -> elt -> 'a*t array) + end module Integer : ResultSet = struct type t = int + type elt = [`Tree] Tree.node + let empty = 0 let cons _ x = x+1 let concat x y = x + y @@ -414,34 +460,66 @@ module F = Formula let fold _ _ _ = failwith "fold not implemented" let map _ _ = failwith "map not implemented" let length x = x + let merge2 conf t res1 res2 = + let rb,rb1,rb2,mark = conf in + if rb then + let res1 = if rb1 then res1 else 0 + and res2 = if rb2 then res2 else 0 + in + if mark then 1+res1+res2 + else res1+res2 + else 0 + let merge conf t res1 res2 = + match conf with + | NO -> 0 + | ONLY1 -> res1 + | ONLY2 -> res2 + | ONLY12 -> res1+res2 + | MARK -> 1 + | MARK1 -> res1+1 + | MARK2 -> res2+1 + | MARK12 -> res1+res2+1 + let merge conf _ res1 res2 = + let conf = Obj.magic conf in + (conf lsr 2) + ((conf land 0b10) lsr 1)*res2 + (conf land 0b1)*res1 + + + let mk_quick_tag_loop _ sl ss tree tag = (); + fun t ctx -> + (sl, Array.make ss (Tree.subtree_tags tree tag t)) + let mk_quick_star_loop _ sl ss tree = (); + fun t ctx -> + (sl, Array.make ss (Tree.subtree_elements tree t)) + end - module IdSet : ResultSet = + module IdSet : ResultSet= struct - type node = Nil - | Cons of Tree.t * node + type elt = [`Tree] Tree.node + type node = Nil + | Cons of elt * node | Concat of node*node - + and t = { node : node; length : int } let empty = { node = Nil; length = 0 } - + let cons e t = { node = Cons(e,t.node); length = t.length+1 } let concat t1 t2 = { node = Concat(t1.node,t2.node); length = t1.length+t2.length } - let append e t = { node = Concat(t.node,Cons(e,Nil)); length = t.length+1 } - - let fold f l acc = + let append e t = { node = Concat(t.node,Cons(e,Nil)); length = t.length+1 } + + let fold f l acc = let rec loop acc t = match t with | Nil -> acc | Cons (e,t) -> loop (f e acc) t | Concat (t1,t2) -> loop (loop acc t1) t2 in loop acc l.node - + let length l = l.length - - + + let iter f l = let rec loop = function | Nil -> () @@ -450,228 +528,961 @@ module F = Formula in loop l.node let map f l = - let rec loop = function + let rec loop = function | Nil -> Nil | Cons(e,t) -> Cons(f e, loop t) | Concat(t1,t2) -> Concat(loop t1,loop t2) in { l with node = loop l.node } - + let merge conf t res1 res2 = + match conf with + NO -> empty + | MARK -> cons t empty + | ONLY1 -> res1 + | ONLY2 -> res2 + | ONLY12 -> { node = (Concat(res1.node,res2.node)); + length = res1.length + res2.length ;} + | MARK12 -> { node = Cons(t,(Concat(res1.node,res2.node))); + length = res1.length + res2.length + 1;} + | MARK1 -> { node = Cons(t,res1.node); + length = res1.length + 1;} + | MARK2 -> { node = Cons(t,res2.node); + length = res2.length + 1;} + + let mk_quick_tag_loop f _ _ _ _ = f + let mk_quick_star_loop f _ _ _ = f end + module GResult(Doc : sig val doc : Tree.t end) = struct + type bits + type elt = [` Tree] Tree.node + external create_empty : int -> bits = "caml_result_set_create" "noalloc" + external set : bits -> int -> unit = "caml_result_set_set" "noalloc" + external next : bits -> int -> int = "caml_result_set_next" "noalloc" + external count : bits -> int = "caml_result_set_count" "noalloc" + external clear : bits -> elt -> elt -> unit = "caml_result_set_clear" "noalloc" + + external set_tag_bits : bits -> Tag.t -> Tree.t -> elt -> elt = "caml_set_tag_bits" "noalloc" + type t = + { segments : elt list; + bits : bits; + } + + let ebits = + let size = (Tree.subtree_size Doc.doc Tree.root) in + create_empty (size*2+1) + + let empty = { segments = []; + bits = ebits } + + let cons e t = + let rec loop l = match l with + | [] -> { bits = (set t.bits (Obj.magic e);t.bits); + segments = [ e ] } + | p::r -> + if Tree.is_binary_ancestor Doc.doc e p then + loop r + else + { bits = (set t.bits (Obj.magic e);t.bits); + segments = e::l } + in + loop t.segments + + let concat t1 t2 = + if t2.segments == [] then t1 + else + if t1.segments == [] then t2 + else + let h2 = List.hd t2.segments in + let rec loop l = match l with + | [] -> t2.segments + | p::r -> + if Tree.is_binary_ancestor Doc.doc p h2 then + l + else + p::(loop r) + in + { bits = t1.bits; + segments = loop t1.segments + } + + let iter f t = + let rec loop i = + if i == -1 then () + else (f ((Obj.magic i):elt);loop (next t.bits i)) + in loop (next t.bits 0) + + let fold f t acc = + let rec loop i acc = + if i == -1 then acc + else loop (next t.bits i) (f ((Obj.magic i):elt) acc) + in loop (next t.bits 0) acc + + let map _ _ = failwith "noop" + (*let length t = let cpt = ref 0 in + iter (fun _ -> incr cpt) t; !cpt *) + let length t = count t.bits + + let clear_bits t = + let rec loop l = match l with + [] -> () + | idx::ll -> + clear t.bits idx (Tree.closing Doc.doc idx); loop ll + in + loop t.segments;empty + + let merge (rb,rb1,rb2,mark) elt t1 t2 = + if rb then +(* let _ = Printf.eprintf "Lenght before merging is %i %i\n" + (List.length t1.segments) (List.length t2.segments) + in *) + match t1.segments,t2.segments with + [],[] -> if mark then cons elt empty else empty + | [_],[] when rb1 -> if mark then cons elt t1 else t1 + | [], [_] when rb2 -> if mark then cons elt t2 else t2 + | [_],[_] when rb1 && rb2 -> if mark then cons elt empty else + concat t1 t2 + | _ -> + let t1 = if rb1 then t1 else clear_bits t1 + and t2 = if rb2 then t2 else clear_bits t2 + in + (if mark then cons elt (concat t1 t2) + else concat t1 t2) + else + let _ = clear_bits t1 in + clear_bits t2 + + let merge conf t t1 t2 = + match t1.segments,t2.segments,conf with + | _,_,NO -> let _ = clear_bits t1 in clear_bits t2 + | [],[],(MARK1|MARK2|MARK12|MARK) -> cons t empty + | [],[],_ -> empty + | [_],[],(ONLY1|ONLY12) -> t1 + | [_],[],(MARK1|MARK12) -> cons t t1 + | [],[_],(ONLY2|ONLY12) -> t2 + | [],[_],(MARK2|MARK12) -> cons t t2 + | [_],[_],ONLY12 -> concat t1 t2 + | [_],[_],MARK12 -> cons t empty + | _,_,MARK -> let _ = clear_bits t2 in cons t (clear_bits t1) + | _,_,ONLY1 -> let _ = clear_bits t2 in t1 + | _,_,ONLY2 -> let _ = clear_bits t1 in t2 + | _,_,ONLY12 -> concat t1 t2 + | _,_,MARK1 -> let _ = clear_bits t2 in cons t t1 + | _,_,MARK2 -> let _ = clear_bits t1 in cons t t2 + | _,_,MARK12 -> cons t (concat t1 t2) + + let mk_quick_tag_loop _ sl ss tree tag = (); + fun t _ -> + let res = empty in + let first = set_tag_bits empty.bits tag tree t in + let res = + if first == Tree.nil then res else + cons first res + in + (sl, Array.make ss res) + let mk_quick_star_loop f _ _ _ = f + end module Run (RS : ResultSet) = struct + module SList = struct + include Hlist.Make (StateSet) + let print ppf l = + Format.fprintf ppf "[ "; + begin + match l.Node.node with + | Nil -> () + | Cons(s,ll) -> + StateSet.print ppf s; + iter (fun s -> Format.fprintf ppf "; "; + StateSet.print ppf s) ll + end; + Format.fprintf ppf "]%!" - let fmt = Format.err_formatter - let pr x = Format.fprintf fmt x - - type ptset_list = Nil | Cons of Ptset.Int.t*int*ptset_list - let hpl l = match l with - | Nil -> 0 - | Cons (_,i,_) -> i - - let cons s l = Cons (s,(Ptset.Int.hash s) + 65599 * (hpl l), l) - - let rec empty_size n = - if n == 0 then Nil - else cons Ptset.Int.empty (empty_size (n-1)) - - let fold_pl f l acc = - let rec loop l acc = match l with - Nil -> acc - | Cons(s,h,pl) -> loop pl (f s h acc) - in - loop l acc - let map_pl f l = - let rec loop = - function Nil -> Nil - | Cons(s,h,ll) -> cons (f s) (loop ll) - in loop l - let iter_pl f l = - let rec loop = - function Nil -> () - | Cons(s,h,ll) -> (f s);(loop ll) - in loop l - - let rev_pl l = - let rec loop acc l = match l with - | Nil -> acc - | Cons(s,_,ll) -> loop (cons s acc) ll - in - loop Nil l - - let rev_map_pl f l = - let rec loop acc l = - match l with - | Nil -> acc - | Cons(s,_,ll) -> loop (cons (f s) acc) ll - in - loop Nil l - module IntSet = Set.Make(struct type t = int let compare = (-) end) + end IFDEF DEBUG THEN + module IntSet = Set.Make(struct type t = int let compare = (-) end) INCLUDE "html_trace.ml" - -END - let td_trans = Hashtbl.create 4096 - let mk_fun f s = D_IGNORE_(register_funname f s,f) - let mk_app_fun f arg s = let g = f arg in - D_IGNORE_(register_funname g ((get_funname f) ^ " " ^ s), g) +END + module Trace = + struct + module HFname = Hashtbl.Make (struct + type t = Obj.t + let hash = Hashtbl.hash + let equal = (==) + end) + + let h_fname = HFname.create 401 + + let register_funname f s = + HFname.add h_fname (Obj.repr f) s + let get_funname f = try HFname.find h_fname (Obj.repr f) with _ -> "[anon_fun]" + + + + let mk_fun f s = register_funname f s;f + let mk_app_fun f arg s = + let g = f arg in + register_funname g ((get_funname f) ^ " " ^ s); g + let mk_app_fun2 f arg1 arg2 s = + let g = f arg1 arg2 in + register_funname g ((get_funname f) ^ " " ^ s); g + + end let string_of_ts tags = (Ptset.Int.fold (fun t a -> a ^ " " ^ (Tag.to_string t) ) tags "{")^ " }" - - let choose_jump tagset qtags1 qtagsn a f_nil f_text f_t1 f_s1 f_tn f_sn f_notext = - let tags1,hastext1,fin1 = inter_text tagset (tags a qtags1) in - let tagsn,hastextn,finn = inter_text tagset (tags a qtagsn) in - if (hastext1||hastextn) then f_text (* jumping to text nodes doesn't work really well *) - else if (Ptset.Int.is_empty tags1) && (Ptset.Int.is_empty tagsn) then f_nil - else if (Ptset.Int.is_empty tagsn) then - if (Ptset.Int.is_singleton tags1) - then (* TaggedChild/Sibling *) - let tag = (Ptset.Int.choose tags1) in mk_app_fun f_t1 tag (Tag.to_string tag) - else (* SelectChild/Sibling *) - mk_app_fun f_s1 tags1 (string_of_ts tags1) - else if (Ptset.Int.is_empty tags1) then - if (Ptset.Int.is_singleton tagsn) - then (* TaggedDesc/Following *) - let tag = (Ptset.Int.choose tagsn) in mk_app_fun f_tn tag (Tag.to_string tag) - else (* SelectDesc/Following *) - mk_app_fun f_sn tagsn (string_of_ts tagsn) - else f_notext - - let choose_jump_down a b c d = - choose_jump a b c d - (mk_fun (Tree.mk_nil) "Tree.mk_nil") - (mk_fun (Tree.text_below) "Tree.text_below") - (mk_fun (fun _ -> Tree.node_child) "[TaggedChild]Tree.node_child") (* !! no tagged_child in Tree.ml *) - (mk_fun (fun _ -> Tree.node_child) "[SelectChild]Tree.node_child") (* !! no select_child in Tree.ml *) - (mk_fun (Tree.tagged_desc) "Tree.tagged_desc") - (mk_fun (fun _ -> Tree.node_child ) "[SelectDesc]Tree.node_child") (* !! no select_desc *) - (mk_fun (Tree.node_child) "Tree.node_child") - - let choose_jump_next a b c d = - choose_jump a b c d - (mk_fun (fun t _ -> Tree.mk_nil t) "Tree.mk_nil2") - (mk_fun (Tree.text_next) "Tree.text_next") - (mk_fun (fun _ -> Tree.node_sibling_ctx) "[TaggedSibling]Tree.node_sibling_ctx")(* !! no tagged_sibling in Tree.ml *) - (mk_fun (fun _ -> Tree.node_sibling_ctx) "[SelectSibling]Tree.node_sibling_ctx")(* !! no select_sibling in Tree.ml *) - (mk_fun (Tree.tagged_foll_below) "Tree.tagged_foll_below") - (mk_fun (fun _ -> Tree.node_sibling_ctx) "[SelectFoll]Tree.node_sibling_ctx")(* !! no select_foll *) - (mk_fun (Tree.node_sibling_ctx) "Tree.node_sibling_ctx") - - let get_trans slist tag a t = - try - Hashtbl.find td_trans (tag,hpl slist) - with - | Not_found -> - let fl_list,llist,rlist,ca,da,sa,fa = - fold_pl - (fun set _ (fll_acc,lllacc,rllacc,ca,da,sa,fa) -> (* For each set *) - let fl,ll,rr,ca,da,sa,fa = - StateSet.fold - (fun q acc -> - List.fold_left - (fun ((fl_acc,ll_acc,rl_acc,c_acc,d_acc,s_acc,f_acc) as acc) - (ts,t) -> - if (TagSet.mem tag ts) - then - let _,_,f,_ = Transition.node t in - let (child,desc,below),(sibl,foll,after) = Formula.st f in - (Formlist.add t fl_acc, - StateSet.union ll_acc below, - StateSet.union rl_acc after, - StateSet.union child c_acc, - StateSet.union desc d_acc, - StateSet.union sibl s_acc, - StateSet.union foll f_acc) - else acc ) acc ( - try Hashtbl.find a.trans q - with - Not_found -> Printf.eprintf "Looking for state %i, doesn't exist!!!\n%!" - q;[] - ) - - ) set (Formlist.empty,StateSet.empty,StateSet.empty,ca,da,sa,fa) - in fl::fll_acc, cons ll lllacc, cons rr rllacc,ca,da,sa,fa) - slist ([],Nil,Nil,StateSet.empty,StateSet.empty,StateSet.empty,StateSet.empty) - in - (* Logic to chose the first and next function *) - let tags_below,tags_after = Tree.tags t tag in - let first = choose_jump_down tags_below ca da a - and next = choose_jump_next tags_after sa fa a in - let v = (fl_list,llist,rlist,first,next) in - Hashtbl.add td_trans (tag, hpl slist) v; v - - let merge rb rb1 rb2 mark t res1 res2 = - if rb - then - let res1 = if rb1 then res1 else RS.empty - and res2 = if rb2 then res2 else RS.empty - in - if mark then RS.cons t (RS.concat res1 res2) - else RS.concat res1 res2 - else RS.empty - - let top_down ?(noright=false) a t slist ctx slot_size = - let pempty = empty_size slot_size in - let eval_fold2_slist fll sl1 sl2 res1 res2 t = - let res = Array.copy res1 in - let rec fold l1 l2 fll i aq = match l1,l2,fll with - | Cons(s1,_,ll1), Cons(s2, _ ,ll2),fl::fll -> - let r',rb,rb1,rb2,mark = eval_formlist s1 s2 fl in - let _ = res.(i) <- merge rb rb1 rb2 mark t res1.(i) res2.(i) - in - fold ll1 ll2 fll (i+1) (cons r' aq) - | Nil, Nil,[] -> aq,res - | _ -> assert false + + + module Algebra = + struct + type jump = [ `NIL | `ANY |`ANYNOTEXT | `JUMP ] + type t = jump*Ptset.Int.t*Ptset.Int.t + let jts = function + | `JUMP -> "JUMP" + | `NIL -> "NIL" + | `ANY -> "ANY" + | `ANYNOTEXT -> "ANYNOTEXT" + let merge_jump (j1,c1,l1) (j2,c2,l2) = + match j1,j2 with + | _,`NIL -> (j1,c1,l1) + | `NIL,_ -> (j2,c2,l2) + | `ANY,_ -> (`ANY,Ptset.Int.empty,Ptset.Int.empty) + | _,`ANY -> (`ANY,Ptset.Int.empty,Ptset.Int.empty) + | `ANYNOTEXT,_ -> + if Ptset.Int.mem Tag.pcdata (Ptset.Int.union c2 l2) then + (`ANY,Ptset.Int.empty,Ptset.Int.empty) + else + (`ANYNOTEXT,Ptset.Int.empty,Ptset.Int.empty) + | _,`ANYNOTEXT -> + if Ptset.Int.mem Tag.pcdata (Ptset.Int.union c1 l1) then + (`ANY,Ptset.Int.empty,Ptset.Int.empty) + else + (`ANYNOTEXT,Ptset.Int.empty,Ptset.Int.empty) + | `JUMP,`JUMP -> (`JUMP, Ptset.Int.union c1 c2,Ptset.Int.union l1 l2) + + let merge_jump_list = function + | [] -> `NIL,Ptset.Int.empty,Ptset.Int.empty + | p::r -> + List.fold_left (merge_jump) p r + + let labels a s = + Hashtbl.fold + ( + fun q l acc -> + if (q == s) + then + + (List.fold_left + (fun acc (ts,f) -> + let _,_,_,_,bur = Transition.node f in + if bur then acc else TagSet.cup acc ts) + acc l) + else acc ) a.trans TagSet.empty + exception Found + + let is_rec a s access = + List.exists + (fun (_,t) -> let _,_,_,f,_ = Transition.node t in + StateSet.mem s ((fun (_,_,x) -> x) (access (Formula.st f)))) (Hashtbl.find a.trans s) + + let is_final_marking a s = + List.exists (fun (_,t) -> let _,_,m,f,_ = Transition.node t in m&& (Formula.is_true f)) + (Hashtbl.find a.trans s) + + + let decide a c_label l_label dir_states dir = + + let l = StateSet.fold + (fun s l -> + let s_rec = is_rec a s (if dir then fst else snd) in + let s_rec = if dir then s_rec else + (* right move *) + is_rec a s fst + in + let s_lab = labels a s in + let jmp,cc,ll = + if (not (TagSet.is_finite s_lab)) then + if TagSet.mem Tag.pcdata s_lab then (`ANY,Ptset.Int.empty,Ptset.Int.empty) + else (`ANYNOTEXT,Ptset.Int.empty,Ptset.Int.empty) + else + if s_rec + then (`JUMP,Ptset.Int.empty, TagSet.positive + (TagSet.cap (TagSet.inj_positive l_label) s_lab)) + else (`JUMP,TagSet.positive + (TagSet.cap (TagSet.inj_positive c_label) s_lab), + Ptset.Int.empty ) + in + (if jmp != `ANY + && jmp != `ANYNOTEXT + && Ptset.Int.is_empty cc + && Ptset.Int.is_empty ll + then (`NIL,Ptset.Int.empty,Ptset.Int.empty) + else (jmp,cc,ll))::l) dir_states [] + in merge_jump_list l + + + end + + + + let choose_jump (d,cl,ll) f_nil f_t1 f_s1 f_tn f_sn f_s1n f_notext f_maytext = + match d with + | `NIL -> (`NIL,f_nil) + | `ANYNOTEXT -> `ANY,f_notext + | `ANY -> `ANY,f_maytext + | `JUMP -> + if Ptset.Int.is_empty cl then + if Ptset.Int.is_singleton ll then + let tag = Ptset.Int.choose ll in + (`TAG(tag),Trace.mk_app_fun f_tn tag (Tag.to_string tag)) + else + (`MANY(ll),Trace.mk_app_fun f_sn ll (string_of_ts ll)) + else if Ptset.Int.is_empty ll then + if Ptset.Int.is_singleton cl then + let tag = Ptset.Int.choose cl in + (`TAG(tag),Trace.mk_app_fun f_t1 tag (Tag.to_string tag)) + else + (`MANY(cl),Trace.mk_app_fun f_s1 cl (string_of_ts cl)) + else + (`ANY,Trace.mk_app_fun2 f_s1n cl ll ((string_of_ts cl) ^ " " ^ (string_of_ts ll))) + + | _ -> assert false + + let choose_jump_down tree d = + choose_jump d + (Trace.mk_fun (fun _ -> Tree.nil) "Tree.mk_nil") + (Trace.mk_fun (Tree.tagged_child tree) "Tree.tagged_child") + (Trace.mk_fun (Tree.select_child tree) "Tree.select_child") + (Trace.mk_fun (Tree.tagged_descendant tree) "Tree.tagged_desc") + (Trace.mk_fun (Tree.select_descendant tree) "Tree.select_desc") + (Trace.mk_fun (fun _ _ -> Tree.first_child tree) "[FIRSTCHILD]Tree.select_child_desc") + (Trace.mk_fun (Tree.first_element tree) "Tree.first_element") + (Trace.mk_fun (Tree.first_child tree) "Tree.first_child") + + let choose_jump_next tree d = + choose_jump d + (Trace.mk_fun (fun _ _ -> Tree.nil) "Tree.mk_nil2") + (Trace.mk_fun (Tree.tagged_following_sibling_below tree) "Tree.tagged_sibling_ctx") + (Trace.mk_fun (Tree.select_following_sibling_below tree) "Tree.select_sibling_ctx") + (Trace.mk_fun (Tree.tagged_following_below tree) "Tree.tagged_foll_ctx") + (Trace.mk_fun (Tree.select_following_below tree) "Tree.select_foll_ctx") + (Trace.mk_fun (fun _ _ -> Tree.next_sibling_below tree) "[NEXTSIBLING]Tree.select_sibling_foll_ctx") + (Trace.mk_fun (Tree.next_element_below tree) "Tree.next_element_ctx") + (Trace.mk_fun (Tree.next_sibling_below tree) "Tree.node_sibling_ctx") + + + + + module CodeCache = + struct + let get = Array.unsafe_get + let set = Array.set + + type fun_tree = [`Tree] Tree.node -> [`Tree] Tree.node -> SList.t -> Tag.t -> bool -> SList.t*RS.t array + type t = fun_tree array array + + let dummy = fun _ _ _ _ _ -> failwith "Uninitializd CodeCache" + let default_line = Array.create 1024 dummy (* 1024 = max_tag *) + let create n = Array.create n default_line + let init f = + for i = 0 to (Array.length default_line) - 1 + do + default_line.(i) <- f + done + + let get_fun h slist tag = + get (get h (Uid.to_int slist.SList.Node.id)) tag + + let set_fun (h : t) slist tag (data : fun_tree) = + let tab = get h (Uid.to_int slist.SList.Node.id) in + let line = if tab == default_line then + let x = Array.copy tab in + (set h (Uid.to_int slist.SList.Node.id) x;x) + else tab in - fold sl1 sl2 fll 0 Nil - in - let null_result() = (pempty,Array.make slot_size RS.empty) in - let rec loop t slist ctx = - if Tree.is_nil t then null_result() - else - let tag = Tree.tag t in - let fl_list,llist,rlist,first,next = get_trans slist tag a t in - let sl1,res1 = loop (first t) llist t in - let sl2,res2 = loop (next t ctx) rlist ctx in - let res = eval_fold2_slist fl_list sl1 sl2 res1 res2 t + set line tag data + + end + + let empty_size n = + let rec loop acc = function 0 -> acc + | n -> loop (SList.cons StateSet.empty acc) (n-1) + in loop SList.nil n + + + module Fold2Res = struct + let get = Array.unsafe_get + let set = Array.set + external field1 : Obj.t -> int = "%field1" + type t = Obj.t array array array array + let dummy_val = Obj.repr ((),2,()) + + let default_line3 = Array.create BIG_A_SIZE dummy_val + let default_line2 = Array.create BIG_A_SIZE default_line3 + let default_line1 = Array.create BIG_A_SIZE default_line2 + + let create n = Array.create n default_line1 + + let find h tag fl s1 s2 : SList.t*bool*(merge_conf array) = + let l1 = get h tag in + let l2 = get l1 (Uid.to_int fl.Formlistlist.Node.id) in + let l3 = get l2 (Uid.to_int s1.SList.Node.id) in + Obj.magic (get l3 (Uid.to_int s2.SList.Node.id)) + + let is_valid b = (Obj.magic b) != 2 + let get_replace tab idx default = + let e = get tab idx in + if e == default then + let ne = Array.copy e in (set tab idx ne;ne) + else e + + let add h tag fl s1 s2 (data: SList.t*bool*(merge_conf array)) = + let l1 = get_replace h tag default_line1 in + let l2 = get_replace l1 (Uid.to_int fl.Formlistlist.Node.id) default_line2 in + let l3 = get_replace l2 (Uid.to_int s1.SList.Node.id) default_line3 in + set l3 (Uid.to_int s2.SList.Node.id) (Obj.repr data) + end + + + + + let top_down ?(noright=false) a tree t slist ctx slot_size td_trans h_fold2= + let pempty = empty_size slot_size in + let rempty = Array.make slot_size RS.empty in + (* evaluation starts from the right so we put sl1,res1 at the end *) + let eval_fold2_slist fll t tag (sl2,res2) (sl1,res1) = + let res = Array.copy rempty in + let r,b,btab = Fold2Res.find h_fold2 tag fll sl1 sl2 in + if Fold2Res.is_valid b then + begin + if b then for i=0 to slot_size - 1 do + res.(0) <- RS.merge btab.(0) t res1.(0) res2.(0); + done; + r,res + end + else + begin + let btab = Array.make slot_size NO in + let rec fold l1 l2 fll i aq ab = + match fll.Formlistlist.Node.node, + l1.SList.Node.node, + l2.SList.Node.node + with + | Formlistlist.Cons(fl,fll), + SList.Cons(s1,ll1), + SList.Cons(s2,ll2) -> + let r',conf = eval_formlist tag s1 s2 fl in + let _ = btab.(i) <- conf + in + fold ll1 ll2 fll (i+1) (SList.cons r' aq) ((conf!=NO)||ab) + | _ -> aq,ab in - D_IGNORE_( - register_trace t (slist,(fst res),sl1,sl2,fl_list,first,next,ctx), - res) + let r,b = fold sl1 sl2 fll 0 SList.nil false in + Fold2Res.add h_fold2 tag fll sl1 sl2 (r,b,btab); + if b then for i=0 to slot_size - 1 do + res.(i) <- RS.merge btab.(i) t res1.(i) res2.(i); + done; + r,res; + end in - let loop_no_right t slist ctx = - if Tree.is_nil t then null_result() - else - let tag = Tree.tag t in - let fl_list,llist,rlist,first,next = get_trans slist tag a t in - let sl1,res1 = loop (first t) llist t in - let sl2,res2 = null_result() in - let res = eval_fold2_slist fl_list sl1 sl2 res1 res2 t - in - D_IGNORE_( - register_trace t (slist,(fst res),sl1,sl2,fl_list,first,next,ctx), - res) + + let null_result = (pempty,Array.copy rempty) in + let empty_res = null_result in + + let rec loop t ctx slist _ = + if t == Tree.nil then null_result else + let tag = Tree.tag tree t in + (CodeCache.get_fun td_trans slist tag) t ctx slist tag false + (* get_trans t ctx slist tag false + (CodeCache.get_opcode td_trans slist tag) + *) + and loop_tag t ctx slist tag = + if t == Tree.nil then null_result else + (CodeCache.get_fun td_trans slist tag) t ctx slist tag false + (* get_trans t ctx slist tag false + (CodeCache.get_opcode td_trans slist tag) *) + + and loop_no_right t ctx slist _ = + if t == Tree.nil then null_result else + let tag = Tree.tag tree t in + (CodeCache.get_fun td_trans slist tag) t ctx slist tag true + (* get_trans t ctx slist tag true + (CodeCache.get_opcode td_trans slist tag) *) + (* + and get_trans t ctx slist tag noright opcode = + match opcode with + | OpCode.K0 fll -> + eval_fold2_slist fll t tag empty_res empty_res + + | OpCode.K1 (fll,first,llist,tag1) -> + eval_fold2_slist fll t tag empty_res + (loop_tag (first t) t llist tag1) + + | OpCode.K2 (fll,first,llist) -> + eval_fold2_slist fll t tag empty_res + (loop (first t) t llist) + + | OpCode.K3 (fll,next,rlist,tag2) -> + eval_fold2_slist fll t tag + (loop_tag (next t ctx) ctx rlist tag2) + empty_res + | OpCode.K4 (fll,next,rlist) -> + eval_fold2_slist fll t tag + (loop (next t ctx) ctx rlist) + empty_res + + | OpCode.K5 (fll,next,rlist,tag2,first,llist,tag1) -> + eval_fold2_slist fll t tag + (loop_tag (next t ctx) ctx rlist tag2) + (loop_tag (first t) t llist tag1) + + | OpCode.K6 (fll,next,rlist,first,llist,tag1) -> + eval_fold2_slist fll t tag + (loop (next t ctx) ctx rlist) + (loop_tag (first t) t llist tag1) + + | OpCode.K7 (fll,next,rlist,tag2,first,llist) -> + eval_fold2_slist fll t tag + (loop_tag (next t ctx) ctx rlist tag2) + (loop (first t) t llist) + + | OpCode.K8 (fll,next,rlist,first,llist) -> + eval_fold2_slist fll t tag + (loop (next t ctx) ctx rlist) + (loop (first t) t llist) + + | OpCode.KDefault _ -> + mk_trans t ctx tag slist noright + *) + and mk_trans t ctx slist tag noright = + let fl_list,llist,rlist,ca,da,sa,fa = + SList.fold + (fun set (fll_acc,lllacc,rllacc,ca,da,sa,fa) -> (* For each set *) + let fl,ll,rr,ca,da,sa,fa = + StateSet.fold + (fun q acc -> + List.fold_left + (fun ((fl_acc,ll_acc,rl_acc,c_acc,d_acc,s_acc,f_acc) as acc) + (ts,t) -> + if (TagSet.mem tag ts) + then + let _,_,_,f,_ = t.Transition.node in + let (child,desc,below),(sibl,foll,after) = Formula.st f in + (Formlist.cons t fl_acc, + StateSet.union ll_acc below, + StateSet.union rl_acc after, + StateSet.union child c_acc, + StateSet.union desc d_acc, + StateSet.union sibl s_acc, + StateSet.union foll f_acc) + else acc ) acc ( + try Hashtbl.find a.trans q + with + Not_found -> Printf.eprintf "Looking for state %i, doesn't exist!!!\n%!" + q;[] + ) + + ) set (Formlist.nil,StateSet.empty,StateSet.empty,ca,da,sa,fa) + in (Formlistlist.cons fl fll_acc), (SList.cons ll lllacc), (SList.cons rr rllacc),ca,da,sa,fa) + slist (Formlistlist.nil,SList.nil,SList.nil,StateSet.empty,StateSet.empty,StateSet.empty,StateSet.empty) + in + (* Logic to chose the first and next function *) + let tags_child,tags_below,tags_siblings,tags_after = Tree.tags tree tag in + let d_f = Algebra.decide a tags_child tags_below (StateSet.union ca da) true in + let d_n = Algebra.decide a tags_siblings tags_after (StateSet.union sa fa) false in + let f_kind,first = choose_jump_down tree d_f + and n_kind,next = if noright then (`NIL, fun _ _ -> Tree.nil ) + else choose_jump_next tree d_n in + let empty_res = null_result in + let fll = fl_list in + let cont = + match f_kind,n_kind with + | `NIL,`NIL -> (*OpCode.K0(fl_list) *) + fun t _ _ tag _ -> eval_fold2_slist fll t tag empty_res empty_res + + | _,`NIL -> ( + match f_kind with + |`TAG(tag1) -> (*OpCode.K1(fl_list,first,llist,tag1) *) + fun t _ _ tag _ -> eval_fold2_slist fll t tag empty_res + (loop_tag (first t) t llist tag1) + | _ -> (* OpCode.K2(fl_list,first,llist) *) + fun t _ _ tag _ -> eval_fold2_slist fll t tag empty_res + (loop (first t) t llist tag) + ) + | `NIL,_ -> ( + match n_kind with + |`TAG(tag2) -> (*OpCode.K3(fl_list,next,rlist,tag2) *) + fun t ctx _ tag _ -> + eval_fold2_slist fll t tag + (loop_tag (next t ctx) ctx rlist tag2) + empty_res + + | _ -> (*OpCode.K4(fl_list,next,rlist) *) + fun t ctx _ tag _ -> + eval_fold2_slist fll t tag + (loop (next t ctx) ctx rlist tag) + empty_res + + ) + + | `TAG(tag1),`TAG(tag2) -> (*OpCode.K5(fl_list,next,rlist,tag2,first,llist,tag1) *) + fun t ctx _ tag _ -> + eval_fold2_slist fll t tag + (loop_tag (next t ctx) ctx rlist tag2) + (loop_tag (first t) t llist tag1) + + | `TAG(tag1),`ANY -> (* OpCode.K6(fl_list,next,rlist,first,llist,tag1) *) + fun t ctx _ tag _ -> + eval_fold2_slist fll t tag + (loop (next t ctx) ctx rlist tag) + (loop_tag (first t) t llist tag1) + + | `ANY,`TAG(tag2) -> (* OpCode.K7(fl_list,next,rlist,tag2,first,llist) *) + fun t ctx _ tag _ -> + eval_fold2_slist fll t tag + (loop_tag (next t ctx) ctx rlist tag2) + (loop (first t) t llist tag) + + + | _,_ -> (*OpCode.K8(fl_list,next,rlist,first,llist) *) + (*if SList.equal slist rlist && SList.equal slist llist + then + let rec loop t ctx = + if t == Tree.nil then empty_res else + let r1 = loop (first t) t + and r2 = loop (next t ctx) ctx + in + eval_fold2_slist fl_list t (Tree.tag tree t) r2 r1 + in loop + else *) + fun t ctx _ tag _ -> + eval_fold2_slist fll t tag + (loop (next t ctx) ctx rlist tag) + (loop (first t) t llist tag) + + + + in + CodeCache.set_fun td_trans slist tag cont; + cont t ctx slist tag noright + in + let _ = CodeCache.init mk_trans in + (if noright then loop_no_right else loop) t ctx slist Tag.dummy + + + let run_top_down a tree = + let init = SList.cons a.init SList.nil in + let _,res = top_down a tree Tree.root init Tree.root 1 (CodeCache.create BIG_A_SIZE) (Fold2Res.create 1024) in - (if noright then loop_no_right else loop) t slist ctx - - - let run_top_down a t = - let init = cons a.init Nil in - let _,res = top_down a t init t 1 - in - D_IGNORE_( - output_trace a t "trace.html" - (RS.fold (fun t a -> IntSet.add (Tree.id t) a) res.(0) IntSet.empty), + D_IGNORE_( + output_trace a tree "trace.html" + (RS.fold (fun t a -> IntSet.add (Tree.id tree t) a) res.(0) IntSet.empty), res.(0)) - ;; + ;; + + + + + + module Code3Cache = + struct + let get = Array.get + let set = Array.set + let realloc a new_size default = + let old_size = Array.length a in + if old_size == new_size then a + else if new_size == 0 then [||] + else let na = Array.create new_size default in + Array.blit a 0 na 0 old_size;na + + type fun_tree = [`Tree] Tree.node -> [`Tree] Tree.node -> StateSet.t -> Tag.t -> StateSet.t*RS.t + and t = { mutable table : fun_tree array array; + mutable default_elm : fun_tree; + mutable default_line : fun_tree array; + (* statistics *) + mutable access : int; + mutable miss : int; + } + + + let create () = + { table = [||]; + default_elm = (fun _ _ _ _ -> failwith "Uninitialized Code3Cache.t structure\n"); + default_line = [||]; + access = 0; + miss = 0 } + + let init h f = + let default_line = Array.create SMALL_A_SIZE f in + begin + h.table <- Array.create SMALL_A_SIZE default_line; + h.default_elm <- f; + h.default_line <- default_line; + h.access <- 0; + h.miss <- 0 + end + + let next_power_of_2 n = + let rec loop i acc = + if acc == 0 then i + else loop (i+1) (acc lsr 1) + in + 1 lsl (loop 0 n) + + let get_fun h slist tag = + let _ = h.access <- h.access + 1 in + let idx = Uid.to_int slist.StateSet.Node.id in + let line = + if idx >= Array.length h.table then + let new_tab = realloc h.table (next_power_of_2 idx) h.default_line in + let _ = h.miss <- h.miss + 1; h.table <- new_tab in h.default_line + else Array.unsafe_get h.table idx + in + if tag >= Array.length line then + let new_line = realloc line (next_power_of_2 tag) h.default_elm in + let _ = h.miss <- h.miss + 1; Array.unsafe_set h.table idx new_line in h.default_elm + else Array.unsafe_get line tag + + let set_fun (h : t) slist tag (data : fun_tree) = + let idx = Uid.to_int slist.StateSet.Node.id in + let line = + if idx >= Array.length h.table then + let new_tab = realloc h.table (next_power_of_2 idx) h.default_line in + let _ = h.table <- new_tab in h.default_line + else Array.unsafe_get h.table idx + in + let line = if line == h.default_line then + let l = Array.copy line in Array.unsafe_set h.table idx l;l + else line in + let line = if tag >= Array.length line then + let new_line = realloc line (next_power_of_2 tag) h.default_elm in + let _ = Array.unsafe_set h.table idx new_line in new_line + else line + in + Array.unsafe_set line tag data + + + let dump h = Array.iteri + (fun id line -> if line != h.default_line then + begin + StateSet.print Format.err_formatter (StateSet.with_id (Uid.of_int id)); + Format.fprintf Format.err_formatter " -> "; + Array.iteri (fun tag clos -> + if clos != h.default_elm then + Format.fprintf Format.err_formatter " (%s,%s) " + (Tag.to_string tag) (Trace.get_funname clos)) line; + Format.fprintf Format.err_formatter "\n%!" + end + ) h.table; + Format.fprintf Format.err_formatter "Cache hits: %i, Cache misses: %i, ratio = %f\n%!" + h.access h.miss ((float_of_int h.miss)/. (float_of_int h.access)); + Format.fprintf Format.err_formatter "Size: %i kb\n%!" + (((2+(Array.length h.default_line)+ + (Array.fold_left (fun acc l ->acc + (if l == h.default_line then 0 else Array.length l)) + (Array.length h.table) h.table)) * Sys.word_size) / 1024) + + end + + module StaticEnv = + struct + + type t = { stack : Obj.t array; + mutable top : int; } + + let create () = { stack = Array.create BIG_A_SIZE (Obj.repr 0); top = 0 } + let add t e = + let _ = if t.top >= Array.length t.stack then failwith "Static Env overflow" in + let i = t.top in Array.unsafe_set t.stack i e; t.top <- i + 1; i + + let get t i :'a = Obj.magic (Array.unsafe_get t.stack i) + end + + module Fold3Res = struct + let get = Array.unsafe_get + let set = Array.set + external field1 : Obj.t -> int = "%field1" + type t = Obj.t array array array array + let dummy_val = Obj.repr ((),2,()) + + let default_line3 = Array.create 1024 dummy_val + let default_line2 = Array.create BIG_A_SIZE default_line3 + let default_line1 = Array.create BIG_A_SIZE default_line2 + + let create n = Array.create n default_line1 + + let find h tag fl s1 s2 : StateSet.t*bool*merge_conf = + let l1 = get h (Uid.to_int fl.Formlist.Node.id) in + let l2 = get l1 (Uid.to_int s1.StateSet.Node.id) in + let l3 = get l2 (Uid.to_int s2.StateSet.Node.id) in + Obj.magic (get l3 tag) + + let is_valid b = b != (Obj.magic dummy_val) + let get_replace tab idx default = + let e = get tab idx in + if e == default then + let ne = Array.copy e in (set tab idx ne;ne) + else e + + let add h tag fl s1 s2 (data: StateSet.t*bool*merge_conf) = + let l1 = get_replace h (Uid.to_int fl.Formlist.Node.id) default_line1 in + let l2 = get_replace l1 (Uid.to_int s1.StateSet.Node.id) default_line2 in + let l3 = get_replace l2 (Uid.to_int s2.StateSet.Node.id) default_line3 in + set l3 tag (Obj.repr data) + end + + + let empty_res = StateSet.empty,RS.empty + + let top_down1 a tree t slist ctx td_trans h_fold2 = + (* evaluation starts from the right so we put sl1,res1 at the end *) + let env = StaticEnv.create () in + let slist_reg = ref StateSet.empty in + let eval_fold2_slist fll t tag (sl2,res2) (sl1,res1) = + let data = Fold3Res.find h_fold2 tag fll sl1 sl2 in + if Fold3Res.is_valid data then + let r,b,conf = data in + (r,if b then RS.merge conf t res1 res2 else RS.empty) + else + let r,conf = eval_formlist tag sl1 sl2 fll in + let b = conf <> NO in + (Fold3Res.add h_fold2 tag fll sl1 sl2 (r,b,conf); + (r, if b then RS.merge conf t res1 res2 else RS.empty)) + + in + let loop t ctx slist _ = + if t == Tree.nil then empty_res else + let tag = Tree.tag tree t in + (Code3Cache.get_fun td_trans slist tag) t ctx slist tag + + in + let loop_tag t ctx slist tag = + if t == Tree.nil then empty_res else + (Code3Cache.get_fun td_trans slist tag) t ctx slist tag + + in + let mk_trans t ctx slist tag = + let fl_list,llist,rlist,ca,da,sa,fa = + StateSet.fold + (fun q acc -> + List.fold_left + (fun ((fl_acc,ll_acc,rl_acc,c_acc,d_acc,s_acc,f_acc) as acc) + (ts,t) -> + if (TagSet.mem tag ts) + then + let _,_,_,f,_ = t.Transition.node in + let (child,desc,below),(sibl,foll,after) = Formula.st f in + (Formlist.cons t fl_acc, + StateSet.union ll_acc below, + StateSet.union rl_acc after, + StateSet.union child c_acc, + StateSet.union desc d_acc, + StateSet.union sibl s_acc, + StateSet.union foll f_acc) + else acc ) acc ( + try Hashtbl.find a.trans q + with + Not_found -> Printf.eprintf "Looking for state %i, doesn't exist!!!\n%!" + q;[] + ) + + ) slist (Formlist.nil,StateSet.empty,StateSet.empty, + StateSet.empty,StateSet.empty,StateSet.empty,StateSet.empty) + + in + (* Logic to chose the first and next function *) + let tags_child,tags_below,tags_siblings,tags_after = Tree.tags tree tag in + let d_f = Algebra.decide a tags_child tags_below (StateSet.union ca da) true in + let d_n = Algebra.decide a tags_siblings tags_after (StateSet.union sa fa) false in + let f_kind,first = choose_jump_down tree d_f + and n_kind,next = choose_jump_next tree d_n in + (*let f_kind, first = `ANY, (Tree.first_element tree) + and n_kind, next = `ANY, (Tree.next_element_below tree) in *) + let cont = + match f_kind,n_kind with + | `NIL,`NIL -> + fun t _ _ tag -> eval_fold2_slist fl_list t tag empty_res empty_res + + | _,`NIL -> ( + match f_kind with + |`TAG(tag1) -> + (fun t _ _ tag -> eval_fold2_slist fl_list t tag empty_res + (loop_tag (first t) t llist tag1)) + | _ -> + fun t _ _ tag -> eval_fold2_slist fl_list t tag empty_res + (loop (first t) t llist tag) + ) + | `NIL,_ -> ( + match n_kind with + |`TAG(tag2) -> + fun t ctx _ tag -> + eval_fold2_slist fl_list t tag + (loop_tag (next t ctx) ctx rlist tag2) + empty_res + + | _ -> + fun t ctx _ tag -> + eval_fold2_slist fl_list t tag + (loop (next t ctx) ctx rlist tag) + empty_res + + ) + + | `TAG(tag1),`TAG(tag2) -> + fun t ctx _ tag -> + eval_fold2_slist fl_list t tag + (loop_tag (next t ctx) ctx rlist tag2) + (loop_tag (first t) t llist tag1) + + | `TAG(tag1),`ANY -> + fun t ctx _ tag -> + eval_fold2_slist fl_list t tag + (loop (next t ctx) ctx rlist tag) + (loop_tag (first t) t llist tag1) + + | `ANY,`TAG(tag2) -> + fun t ctx _ tag -> + eval_fold2_slist fl_list t tag + (loop_tag (next t ctx) ctx rlist tag2) + (loop (first t) t llist tag) + + + | _,_ -> + fun t ctx _ tag -> + eval_fold2_slist fl_list t tag + (loop (next t ctx) ctx rlist tag) + (loop (first t) t llist tag) + + + + in + let _ = Trace.register_funname cont + (Printf.sprintf "{first=%s, next=%s}" (Trace.get_funname first) (Trace.get_funname next)) + in + Code3Cache.set_fun td_trans slist tag cont; + cont + in + let cache_take_trans t ctx slist tag = + let cont = mk_trans t ctx slist tag in + cont t ctx slist tag + in + Code3Cache.init td_trans (cache_take_trans); + loop t ctx slist Tag.dummy + + + let run_top_down1 a tree = + let code_cache = Code3Cache.create () in + let fold_cache = Fold3Res.create BIG_A_SIZE in + let _,res = top_down1 a tree Tree.root a.init Tree.root code_cache fold_cache + in +(* Code3Cache.dump code_cache; *) + res + module Configuration = struct @@ -689,7 +1500,7 @@ END if Ptss.mem s c.sets then { c with results = IMap.add s (RS.concat r (IMap.find s c.results)) c.results} else - { hash = HASHINT2(c.hash,Ptset.Int.hash s); + { hash = HASHINT2(c.hash,Uid.to_int s.StateSet.Node.id); sets = Ptss.add s c.sets; results = IMap.add s r c.results } @@ -698,30 +1509,32 @@ END Ptss.iter (fun s -> StateSet.print fmt s; Format.fprintf fmt " ") c.sets; Format.fprintf fmt "}\n%!"; - IMap.iter (fun k d -> + IMap.iter (fun k d -> StateSet.print fmt k; - Format.fprintf fmt "-> %i\n" (RS.length d)) c.results; + Format.fprintf fmt "-> %i\n" (RS.length d)) c.results; Format.fprintf fmt "\n%!" - + let merge c1 c2 = - let acc1 = IMap.fold (fun s r acc -> - IMap.add s - (try - RS.concat r (IMap.find s acc) - with - | Not_found -> r) acc) c1.results IMap.empty + let acc1 = + IMap.fold + ( fun s r acc -> + IMap.add s + (try + RS.concat r (IMap.find s acc) + with + | Not_found -> r) acc) c1.results IMap.empty in let imap = - IMap.fold (fun s r acc -> - IMap.add s - (try - RS.concat r (IMap.find s acc) - with - | Not_found -> r) acc) c2.results acc1 + IMap.fold (fun s r acc -> + IMap.add s + (try + RS.concat r (IMap.find s acc) + with + | Not_found -> r) acc) c2.results acc1 in let h,s = - Ptss.fold - (fun s (ah,ass) -> (HASHINT2(ah,Ptset.Int.hash s), + Ptss.fold + (fun s (ah,ass) -> (HASHINT2(ah, Uid.to_int s.StateSet.Node.id ), Ptss.add s ass)) (Ptss.union c1.sets c2.sets) (0,Ptss.empty) in @@ -731,202 +1544,157 @@ END end - let h_fold = Hashtbl.create 511 + let h_fold = Hashtbl.create 511 - let fold_f_conf t slist fl_list conf dir= + let fold_f_conf tree t slist fl_list conf dir= + let tag = Tree.tag tree t in let rec loop sl fl acc = - match sl,fl with - |Nil,[] -> acc - | Cons(s,hs,sll), formlist::fll -> - let r',rb,rb1,rb2,mark = - try - Hashtbl.find h_fold (hs,Formlist.hash formlist,dir) - with - Not_found -> let res = - if dir then eval_formlist ~memo:false s Ptset.Int.empty formlist - else eval_formlist ~memo:false Ptset.Int.empty s formlist - in (Hashtbl.add h_fold (hs,Formlist.hash formlist,dir) res;res) - in(* - let _ = pr "Evaluating on set (%s) with tree %s=%s" - (if dir then "left" else "right") - (Tag.to_string (Tree.tag t)) - (Tree.dump_node t) ; - StateSet.print fmt (Ptset.Int.elements s); - pr ", formualae (with hash %i): \n" (Formlist.hash formlist); - Formlist.pr fmt formlist; - pr "result is "; - StateSet.print fmt (Ptset.Int.elements r'); - pr " %b %b %b %b \n%!" rb rb1 rb2 mark ; - in *) - if rb && ((dir&&rb1)|| ((not dir) && rb2)) - then - let acc = - let old_r = - try Configuration.IMap.find s conf.Configuration.results - with Not_found -> RS.empty - in - Configuration.add acc r' (if mark then RS.cons t old_r else old_r) - in - loop sll fll acc - else loop sll fll acc + match SList.node sl,fl with + |SList.Nil,[] -> acc + |SList.Cons(s,sll), formlist::fll -> + let r',mcnf = + let key = SList.hash sl,Formlist.hash formlist,dir in + try + Hashtbl.find h_fold key + with + Not_found -> let res = + if dir then eval_formlist tag s StateSet.empty formlist + else eval_formlist tag StateSet.empty s formlist + in (Hashtbl.add h_fold key res;res) + in + let (rb,rb1,rb2,mark) = bool_of_merge mcnf in + if rb && ((dir&&rb1)|| ((not dir) && rb2)) + then + let acc = + let old_r = + try Configuration.IMap.find s conf.Configuration.results + with Not_found -> RS.empty + in + Configuration.add acc r' (if mark then RS.cons t old_r else old_r) + in + loop sll fll acc + else loop sll fll acc | _ -> assert false in loop slist fl_list Configuration.empty let h_trans = Hashtbl.create 4096 - let get_up_trans slist ptag a tree = - let key = (HASHINT2(hpl slist,Tag.hash ptag)) in + let get_up_trans slist ptag a tree = + let key = (HASHINT2(Uid.to_int slist.SList.Node.id ,ptag)) in try - Hashtbl.find h_trans key + Hashtbl.find h_trans key with - | Not_found -> + | Not_found -> let f_list = Hashtbl.fold (fun q l acc -> List.fold_left (fun fl_acc (ts,t) -> - if TagSet.mem ptag ts then Formlist.add t fl_acc + if TagSet.mem ptag ts then Formlist.cons t fl_acc else fl_acc) - + acc l) - a.trans Formlist.empty + a.trans Formlist.nil in - let res = fold_pl (fun _ _ acc -> f_list::acc) slist [] + let res = SList.fold (fun _ acc -> f_list::acc) slist [] in - (Hashtbl.add h_trans key res;res) - - - let h_tdconf = Hashtbl.create 511 - let rec bottom_up a tree conf next jump_fun root dotd init accu = + (Hashtbl.add h_trans key res;res) + + + + let h_tdconf = Hashtbl.create 511 + let rec bottom_up a tree t conf next jump_fun root dotd init accu = if (not dotd) && (Configuration.is_empty conf ) then -(* let _ = pr "Returning early from %s, with accu %i, next is %s\n%!" - (Tree.dump_node tree) (Obj.magic accu) (Tree.dump_node next) - in *) - accu,conf,next + accu,conf,next else -(* let _ = - pr "Going bottom up for tree with tag %s configuration is" - (if Tree.is_nil tree then "###" else Tag.to_string (Tree.tag tree)); - Configuration.pr fmt conf - in *) - let below_right = Tree.is_below_right tree next in - (* let _ = Format.fprintf Format.err_formatter "below_right %s %s = %b\n%!" - (Tree.dump_node tree) (Tree.dump_node next) below_right - in *) - let accu,rightconf,next_of_next = + + let below_right = Tree.is_below_right tree t next in + + let accu,rightconf,next_of_next = if below_right then (* jump to the next *) -(* let _ = pr "Jumping to %s tag %s\n%!" (Tree.dump_node next) (Tag.to_string (Tree.tag next)) in *) - bottom_up a next conf (jump_fun next) jump_fun (Tree.next_sibling tree) true init accu + bottom_up a tree next conf (jump_fun next) jump_fun (Tree.next_sibling tree t) true init accu else accu,Configuration.empty,next - in -(* let _ = if below_right then pr "Returning from jump to next = %s\n" (Tree.dump_node next)in *) + in let sub = if dotd then - if below_right then (* only recurse on the left subtree *) -(* let _ = pr "Topdown on left subtree\n%!" in *) - prepare_topdown a tree true - else -(* let _ = pr "Topdown on whole tree\n%!" in *) - prepare_topdown a tree false + if below_right then prepare_topdown a tree t true + else prepare_topdown a tree t false else conf in let conf,next = (Configuration.merge rightconf sub, next_of_next) in - if Tree.equal tree root then -(* let _ = pr "Stopping at root, configuration after topdown is:" ; - Configuration.pr fmt conf; - pr "\n%!" - in *) accu,conf,next - else - let parent = Tree.binary_parent tree in - let ptag = Tree.tag parent in - let dir = Tree.is_left tree in - let slist = Configuration.Ptss.fold (fun e a -> cons e a) conf.Configuration.sets Nil in + if t == root then accu,conf,next else + let parent = Tree.binary_parent tree t in + let ptag = Tree.tag tree parent in + let dir = Tree.is_left tree t in + let slist = Configuration.Ptss.fold (fun e a -> SList.cons e a) conf.Configuration.sets SList.nil in let fl_list = get_up_trans slist ptag a parent in - let slist = rev_pl (slist) in -(* let _ = pr "Current conf is : %s " (Tree.dump_node tree); - Configuration.pr fmt conf; - pr "\n" - in *) - let newconf = fold_f_conf parent slist fl_list conf dir in -(* let _ = pr "New conf before pruning is (dir=%b):" dir; - Configuration.pr fmt newconf ; - pr "accu is %i\n" (RS.length accu); - in *) + let slist = SList.rev (slist) in + let newconf = fold_f_conf tree parent slist fl_list conf dir in let accu,newconf = Configuration.IMap.fold (fun s res (ar,nc) -> - if Ptset.Int.intersect s init then + if StateSet.intersect s init then ( RS.concat res ar ,nc) else (ar,Configuration.add nc s res)) - (newconf.Configuration.results) (accu,Configuration.empty) + (newconf.Configuration.results) (accu,Configuration.empty) in -(* let _ = pr "New conf after pruning is (dir=%b):" dir; - Configuration.pr fmt newconf ; - pr "accu is %i\n" (RS.length accu); - in *) - bottom_up a parent newconf next jump_fun root false init accu - - and prepare_topdown a t noright = - let tag = Tree.tag t in -(* pr "Going top down on tree with tag %s = %s " - (if Tree.is_nil t then "###" else (Tag.to_string(Tree.tag t))) (Tree.dump_node t); *) - let r = + + bottom_up a tree parent newconf next jump_fun root false init accu + + and prepare_topdown a tree t noright = + let tag = Tree.tag tree t in + let r = try Hashtbl.find h_tdconf tag with - | Not_found -> - let res = Hashtbl.fold (fun q l acc -> + | Not_found -> + let res = Hashtbl.fold (fun q l acc -> if List.exists (fun (ts,_) -> TagSet.mem tag ts) l - then Ptset.Int.add q acc - else acc) a.trans Ptset.Int.empty + then StateSet.add q acc + else acc) a.trans StateSet.empty in Hashtbl.add h_tdconf tag res;res - in + in (* let _ = pr ", among "; StateSet.print fmt (Ptset.Int.elements r); pr "\n%!"; in *) - let r = cons r Nil in - let set,res = top_down (~noright:noright) a t r t 1 in - let set = match set with - | Cons(x,_,Nil) ->x - | _ -> assert false - in -(* pr "Result of topdown run is %!"; - StateSet.print fmt (Ptset.Int.elements set); - pr ", number is %i\n%!" (RS.length res.(0)); *) - Configuration.add Configuration.empty set res.(0) + let r = SList.cons r SList.nil in + let set,res = top_down (~noright:noright) a tree t r t 1 (CodeCache.create BIG_A_SIZE) (Fold2Res.create 1024) in + let set = match SList.node set with + | SList.Cons(x,_) ->x + | _ -> assert false + in + Configuration.add Configuration.empty set res.(0) - let run_bottom_up a t k = - let trlist = Hashtbl.find a.trans (Ptset.Int.choose a.init) + let run_bottom_up a tree k = + let t = Tree.root in + let trlist = Hashtbl.find a.trans (StateSet.choose a.init) in - let init = List.fold_left + let init = List.fold_left (fun acc (_,t) -> - let _,_,f,_ = Transition.node t in + let _,_,_,f,_ = Transition.node t in let _,_,l = fst ( Formula.st f ) in - Ptset.Int.union acc l) - Ptset.Int.empty trlist + StateSet.union acc l) + StateSet.empty trlist in let tree1,jump_fun = match k with - | `TAG (tag) -> + | `TAG (tag) -> (*Tree.tagged_lowest t tag, fun tree -> Tree.tagged_next tree tag*) - (Tree.tagged_desc tag t, fun tree -> Tree.tagged_foll_below tag tree t) - | `CONTAINS(_) -> (Tree.text_below t,fun tree -> Tree.text_next tree t) + (Tree.tagged_descendant tree tag t, let jump = Tree.tagged_following_below tree tag + in fun n -> jump n t ) + | `CONTAINS(_) -> (Tree.text_below tree t,let jump = Tree.text_next tree + in fun n -> jump n t) | _ -> assert false in let tree2 = jump_fun tree1 in - let rec loop tree next acc = -(* let _ = pr "\n_________________________\nNew iteration\n" in - let _ = pr "Jumping to %s\n%!" (Tree.dump_node tree) in *) - let acc,conf,next_of_next = bottom_up a tree - Configuration.empty next jump_fun (Tree.root tree) true init acc - in - (* let _ = pr "End of first iteration, conf is:\n%!"; - Configuration.pr fmt conf - in *) - let acc = Configuration.IMap.fold - ( fun s res acc -> if Ptset.Int.intersect init s + let rec loop t next acc = + let acc,conf,next_of_next = bottom_up a tree t + Configuration.empty next jump_fun (Tree.root) true init acc + in + let acc = Configuration.IMap.fold + ( fun s res acc -> if StateSet.intersect init s then RS.concat res acc else acc) conf.Configuration.results acc in if Tree.is_nil next_of_next (*|| Tree.equal next next_of_next *)then @@ -937,9 +1705,18 @@ END end - + let top_down_count a t = let module RI = Run(Integer) in Integer.length (RI.run_top_down a t) + let top_down_count1 a t = let module RI = Run(Integer) in Integer.length (RI.run_top_down1 a t) let top_down a t = let module RI = Run(IdSet) in (RI.run_top_down a t) + let top_down1 a t = let module RI = Run(IdSet) in (RI.run_top_down1 a t) let bottom_up_count a t k = let module RI = Run(Integer) in Integer.length (RI.run_bottom_up a t k) - + let bottom_up a t k = let module RI = Run(IdSet) in (RI.run_bottom_up a t k) + + module Test (Doc : sig val doc : Tree.t end) = + struct + module Results = GResult(Doc) + let top_down a t = let module R = Run(Results) in (R.run_top_down a t) + let top_down1 a t = let module R = Run(Results) in (R.run_top_down1 a t) + end