* http://cs.unibo.it/helm/.
*)
+module UM = UriManager
module C = Cic
module Pp = CicPp
module I = CicInspect
+module E = CicEnvironment
module S = CicSubstitution
module DTI = DoubleTypeInference
module HEL = HExtlib
module PEH = ProofEngineHelpers
+module TC = CicTypeChecker
+module Un = CicUniv
+module L = Librarian
module H = ProceduralHelpers
module Cl = ProceduralClassify
+(* debugging ****************************************************************)
+
+let debug = ref false
+
(* term preprocessing: optomization 1 ***************************************)
let defined_premise = "DEFINED"
-let define v =
+let define c v =
let name = C.Name defined_premise in
- C.LetIn (name, v, C.Rel 1)
+ let ty = H.get_type "define" c v in
+ C.LetIn (name, v, ty, C.Rel 1)
let clear_absts m =
let rec aux k n = function
| C.Lambda (_, _, t) when n > 0 ->
aux 0 (pred n) (S.lift (-1) t)
| t when n > 0 ->
- Printf.eprintf "CicPPP clear_absts: %u %s\n" n (Pp.ppterm t);
+ Printf.eprintf "PO.clear_absts: %u %s\n" n (Pp.ppterm t);
assert false
| t -> t
in
| t when k > 0 -> assert false
| t -> C.Lambda (C.Anonymous, C.Implicit None, S.lift 1 t)
-let rec opt1_letin g es c name v t =
+let rec opt1_letin g es c name v w t =
let name = H.mk_fresh_name c name in
- let entry = Some (name, C.Def (v, None)) in
+ let entry = Some (name, C.Def (v, w)) in
let g t =
if DTI.does_not_occur 1 t then begin
let x = S.lift (-1) t in
HLog.warn "Optimizer: remove 1"; opt1_proof g true c x
end else
let g = function
- | C.LetIn (nname, vv, tt) when H.is_proof c v ->
- let x = C.LetIn (nname, vv, C.LetIn (name, tt, S.lift_from 2 1 t)) in
+ | C.LetIn (nname, vv, ww, tt) when H.is_proof c v ->
+ let eentry = Some (nname, C.Def (vv, ww)) in
+ let ttw = H.get_type "opt1_letin 1" (eentry :: c) tt in
+ let x = C.LetIn (nname, vv, ww,
+ C.LetIn (name, tt, ttw, S.lift_from 2 1 t)) in
HLog.warn "Optimizer: swap 1"; opt1_proof g true c x
- | v ->
- g (C.LetIn (name, v, t))
+ | v when H.is_proof c v && H.is_atomic v ->
+ let x = S.subst v t in
+ HLog.warn "Optimizer: remove 5"; opt1_proof g true c x
+ | v ->
+ g (C.LetIn (name, v, w, t))
in
if es then opt1_term g es c v else g v
in
and opt1_lambda g es c name w t =
let name = H.mk_fresh_name c name in
let entry = Some (name, C.Decl w) in
- let g t =
- let name = if DTI.does_not_occur 1 t then C.Anonymous else name in
- g (C.Lambda (name, w, t))
- in
+ let g t = g (C.Lambda (name, w, t)) in
if es then opt1_proof g es (entry :: c) t else g t
and opt1_appl g es c t vs =
let g vs =
let g = function
- | C.LetIn (mame, vv, tt) ->
+ | C.LetIn (mame, vv, tyty, tt) ->
let vs = List.map (S.lift 1) vs in
- let x = C.LetIn (mame, vv, C.Appl (tt :: vs)) in
+ let x = C.LetIn (mame, vv, tyty, C.Appl (tt :: vs)) in
HLog.warn "Optimizer: swap 2"; opt1_proof g true c x
| C.Lambda (name, ww, tt) ->
let v, vs = List.hd vs, List.tl vs in
- let x = C.Appl (C.LetIn (name, v, tt) :: vs) in
+ let w = H.get_type "opt1_appl 1" c v in
+ let x = C.Appl (C.LetIn (name, v, w, tt) :: vs) in
HLog.warn "Optimizer: remove 2"; opt1_proof g true c x
| C.Appl vvs ->
let x = C.Appl (vvs @ vs) in
| v :: vs, (cc, bb) :: cs ->
if H.is_not_atomic v && I.S.mem 0 cc && bb then begin
HLog.warn "Optimizer: anticipate 1";
- aux true (define v :: rvs) (vs, cs)
+ aux true (define c v :: rvs) (vs, cs)
end else
aux d (v :: rvs) (vs, cs)
| _, [] -> assert false
in
let h () =
- let classes, conclusion = Cl.classify c (H.get_type c t) in
+ let classes, conclusion = Cl.classify c (H.get_type "opt1_appl 3" c t) in
let csno, vsno = List.length classes, List.length vs in
if csno < vsno then
let vvs, vs = HEL.split_nth csno vs in
- let x = C.Appl (define (C.Appl (t :: vvs)) :: vs) in
+ let x = C.Appl (define c (C.Appl (t :: vvs)) :: vs) in
HLog.warn "Optimizer: anticipate 2"; opt1_proof g true c x
else match conclusion, List.rev vs with
| Some _, rv :: rvs when csno = vsno && H.is_not_atomic rv ->
- let x = C.Appl (t :: List.rev rvs @ [define rv]) in
+ let x = C.Appl (t :: List.rev rvs @ [define c rv]) in
HLog.warn "Optimizer: anticipate 3"; opt1_proof g true c x
- | Some _, _ ->
+ | _ (* Some _, _ *) ->
g (C.Appl (t :: vs))
- | None, _ ->
+(* | None, _ ->
aux false [] (vs, classes)
- in
+*) in
let rec aux h prev = function
- | C.LetIn (name, vv, tt) :: vs ->
+ | C.LetIn (name, vv, tyty, tt) :: vs ->
let t = S.lift 1 t in
let prev = List.map (S.lift 1) prev in
let vs = List.map (S.lift 1) vs in
let y = C.Appl (t :: List.rev prev @ tt :: vs) in
- let x = C.LetIn (name, vv, y) in
+ let ww = H.get_type "opt1_appl 2" c vv in
+ let x = C.LetIn (name, vv, ww, y) in
HLog.warn "Optimizer: swap 3"; opt1_proof g true c x
| v :: vs -> aux h (v :: prev) vs
| [] -> h ()
and opt1_other g es c t = g t
and opt1_proof g es c = function
- | C.LetIn (name, v, t) -> opt1_letin g es c name v t
+ | C.LetIn (name, v, ty, t) -> opt1_letin g es c name v ty t
| C.Lambda (name, w, t) -> opt1_lambda g es c name w t
| C.Appl (t :: v :: vs) -> opt1_appl g es c t (v :: vs)
| C.Appl [t] -> opt1_proof g es c t
in
g (absts t)
-let rec opt2_letin g c name v t =
- let entry = Some (name, C.Def (v, None)) in
+let rec opt2_letin g c name v w t =
+ let entry = Some (name, C.Def (v, w)) in
let g t =
- let g v = g (C.LetIn (name, v, t)) in
+ let g v = g (C.LetIn (name, v, w, t)) in
opt2_term g c v
in
opt2_proof g (entry :: c) t
let g vs =
let x = C.Appl (t :: vs) in
let vsno = List.length vs in
- let _, csno = PEH.split_with_whd (c, H.get_type c t) in
+ let _, csno = PEH.split_with_whd (c, H.get_type "opt2_appl 1" c t) in
if vsno < csno then
- let tys, _ = PEH.split_with_whd (c, H.get_type c x) in
+ let tys, _ = PEH.split_with_whd (c, H.get_type "opt2_appl 2" c x) in
let tys = List.rev (List.tl tys) in
let tys, _ = HEL.split_nth (csno - vsno) tys in
HLog.warn "Optimizer: eta 1"; eta_expand g tys x
H.list_map_cps g (fun h -> opt2_term h c) vs
and opt2_other g c t =
- let tys, csno = PEH.split_with_whd (c, H.get_type c t) in
+ let tys, csno = PEH.split_with_whd (c, H.get_type "opt2_other" c t) in
if csno > 0 then begin
let tys = List.rev (List.tl tys) in
HLog.warn "Optimizer: eta 2"; eta_expand g tys t
end else g t
and opt2_proof g c = function
- | C.LetIn (name, v, t) -> opt2_letin g c name v t
- | C.Lambda (name, w, t) -> opt2_lambda g c name w t
- | C.Appl (t :: vs) -> opt2_appl g c t vs
- | t -> opt2_other g c t
+ | C.LetIn (name, v, w, t) -> opt2_letin g c name v w t
+ | C.Lambda (name, w, t) -> opt2_lambda g c name w t
+ | C.Appl (t :: vs) -> opt2_appl g c t vs
+ | t -> opt2_other g c t
and opt2_term g c t =
if H.is_proof c t then opt2_proof g c t else g t
let optimize_obj = function
| C.Constant (name, Some bo, ty, pars, attrs) ->
+ let bo, ty = H.cic_bc [] bo, H.cic_bc [] ty in
let g bo =
- Printf.eprintf "Optimized: %s\n" (Pp.ppterm bo);
- let _ = H.get_type [] (C.Cast (bo, ty)) in
+ if !debug then begin
+ Printf.eprintf "Optimized : %s\nPost Nodes: %u\n"
+ (Pp.ppterm bo) (I.count_nodes 0 bo);
+ prerr_string "H.pp_term : ";
+ H.pp_term prerr_string [] [] bo; prerr_newline ()
+ end;
+(* let _ = H.get_type "opt" [] (C.Cast (bo, ty)) in *)
+ L.time_stamp ("PO: DONE " ^ name);
C.Constant (name, Some bo, ty, pars, attrs)
in
- Printf.eprintf "BEGIN: %s\n" name;
- begin try opt1_term (opt2_term g []) true [] bo
- with e -> failwith ("PPP: " ^ Printexc.to_string e) end
+ L.time_stamp ("PO: OPTIMIZING " ^ name);
+ if !debug then
+ Printf.eprintf "BEGIN: %s\nPre Nodes : %u\n"
+ name (I.count_nodes 0 bo);
+ begin try opt1_term g (* (opt2_term g []) *) true [] bo with
+ | E.Object_not_found uri ->
+ let msg = "optimize_obj: object not found: " ^ UM.string_of_uri uri in
+ failwith msg
+ | e ->
+ let msg = "optimize_obj: " ^ Printexc.to_string e in
+ failwith msg
+ end
| obj -> obj
projects / helm.git / blobdiff