module DTI = DoubleTypeInference
module HEL = HExtlib
module PEH = ProofEngineHelpers
+module TC = CicTypeChecker
+module Un = CicUniv
module H = ProceduralHelpers
module Cl = ProceduralClassify
let defined_premise = "DEFINED"
-let define v =
+let get_type msg c bo =
+try
+ let ty, _ = TC.type_of_aux' [] c bo Un.empty_ugraph in
+ ty
+with e -> failwith (msg ^ ": " ^ Printexc.to_string e)
+
+let define c v =
let name = C.Name defined_premise in
- (*CSC: here we need the type of v *)
- C.LetIn (name, v, assert false, C.Rel 1)
+ let ty = get_type "define" c v in
+ C.LetIn (name, v, ty, C.Rel 1)
let clear_absts m =
let rec aux k n = function
| 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
- (*CSC: here we need the type of v *)
- let entry = Some (name, C.Def (v, assert false)) 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, tyty, tt) when H.is_proof c v ->
- (*CSC: here we need the type of v *)
- let x = C.LetIn (nname, vv, tyty,
- C.LetIn (name, tt, assert false, 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 = 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 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 ->
- (*CSC: here we need the type of v *)
- g (C.LetIn (name, v, assert false, t))
+ | v ->
+ g (C.LetIn (name, v, w, t))
in
if es then opt1_term g es c v else g v
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
- (*CSC: here we need the type of v *)
- let x = C.Appl (C.LetIn (name, v, assert false, tt) :: vs) in
+ let w = 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
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 _, _ *) ->
g (C.Appl (t :: vs))
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
- (*CSC: here we need the type of vv *)
- let x = C.LetIn (name, vv, assert false, y) in
+ let ww = 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
- (*CSC: what to do now that we have also ty? *)
- | C.LetIn (name, v, ty, t) -> assert false (*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 =
- (*CSC: here we need the type of v *)
- let entry = Some (name, C.Def (v, assert false)) in
+let rec opt2_letin g c name v w t =
+ let entry = Some (name, C.Def (v, w)) in
let g t =
- (*CSC: here we need the type of v *)
- let g v = g (C.LetIn (name, v, assert false, 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
end else g t
and opt2_proof g c = function
- (*CSC: what to do now that we have also ty? *)
- | C.LetIn (name, v, ty, t) -> assert false (*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