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-rw-r--r--plugins/ltac/g_ltac.mlg4
-rw-r--r--plugins/ltac/rewrite.ml72
-rw-r--r--plugins/ltac/tacentries.ml51
-rw-r--r--plugins/ltac/tacinterp.ml2
-rw-r--r--plugins/ltac/tacinterp.mli2
5 files changed, 48 insertions, 83 deletions
diff --git a/plugins/ltac/g_ltac.mlg b/plugins/ltac/g_ltac.mlg
index 6cf5d30a95..2d74323689 100644
--- a/plugins/ltac/g_ltac.mlg
+++ b/plugins/ltac/g_ltac.mlg
@@ -402,7 +402,7 @@ VERNAC { tactic_mode } EXTEND VernacSolve STATE proof
{ classify_as_proofstep } -> {
let g = Option.default (Goal_select.get_default_goal_selector ()) g in
let global = match g with Goal_select.SelectAll | Goal_select.SelectList _ -> true | _ -> false in
- let t = ComTactic.I (Tacinterp.hide_interp, { Tacinterp.global; ast = t; }) in
+ let t = Tacinterp.hide_interp { Tacinterp.global; ast = t; } in
ComTactic.solve g ~info t ~with_end_tac
}
END
@@ -415,7 +415,7 @@ VERNAC { tactic_mode } EXTEND VernacSolveParallel STATE proof
VtProofStep{ proof_block_detection = pbr }
} -> {
let t, abstract = rm_abstract t in
- let t = ComTactic.I (Tacinterp.hide_interp, { Tacinterp.global = true; ast = t; }) in
+ let t = Tacinterp.hide_interp { Tacinterp.global = true; ast = t; } in
ComTactic.solve_parallel ~info t ~abstract ~with_end_tac
}
END
diff --git a/plugins/ltac/rewrite.ml b/plugins/ltac/rewrite.ml
index 5ef76dbdc1..a1970cbce2 100644
--- a/plugins/ltac/rewrite.ml
+++ b/plugins/ltac/rewrite.ml
@@ -769,7 +769,7 @@ let get_rew_prf evars r = match r.rew_prf with
let poly_subrelation sort =
if sort then PropGlobal.subrelation else TypeGlobal.subrelation
-let resolve_subrelation env avoid car rel sort prf rel' res =
+let resolve_subrelation env car rel sort prf rel' res =
if Termops.eq_constr (fst res.rew_evars) rel rel' then res
else
let evars, app = app_poly_check env res.rew_evars (poly_subrelation sort) [|car; rel; rel'|] in
@@ -779,7 +779,7 @@ let resolve_subrelation env avoid car rel sort prf rel' res =
rew_prf = RewPrf (rel', appsub);
rew_evars = evars }
-let resolve_morphism env avoid oldt m ?(fnewt=fun x -> x) args args' (b,cstr) evars =
+let resolve_morphism env m args args' (b,cstr) evars =
let evars, morph_instance, proj, sigargs, m', args, args' =
let first = match (Array.findi (fun _ b -> not (Option.is_empty b)) args') with
| Some i -> i
@@ -843,18 +843,18 @@ let resolve_morphism env avoid oldt m ?(fnewt=fun x -> x) args args' (b,cstr) ev
let proof = applist (proj, List.rev projargs) in
let newt = applist (m', List.rev typeargs) in
match respars with
- [ a, Some r ] -> evars, proof, substl subst a, substl subst r, oldt, fnewt newt
+ [ a, Some r ] -> evars, proof, substl subst a, substl subst r, newt
| _ -> assert(false)
-let apply_constraint env avoid car rel prf cstr res =
+let apply_constraint env car rel prf cstr res =
match snd cstr with
| None -> res
- | Some r -> resolve_subrelation env avoid car rel (fst cstr) prf r res
+ | Some r -> resolve_subrelation env car rel (fst cstr) prf r res
-let coerce env avoid cstr res =
+let coerce env cstr res =
let evars, (rel, prf) = get_rew_prf res.rew_evars res in
let res = { res with rew_evars = evars } in
- apply_constraint env avoid res.rew_car rel prf cstr res
+ apply_constraint env res.rew_car rel prf cstr res
let apply_rule unify loccs : int pure_strategy =
let (nowhere_except_in,occs) = convert_occs loccs in
@@ -863,7 +863,7 @@ let apply_rule unify loccs : int pure_strategy =
then List.mem occ occs
else not (List.mem occ occs)
in
- { strategy = fun { state = occ ; env ; unfresh ;
+ { strategy = fun { state = occ ; env ;
term1 = t ; ty1 = ty ; cstr ; evars } ->
let unif = if isEvar (goalevars evars) t then None else unify env evars t in
match unif with
@@ -874,7 +874,7 @@ let apply_rule unify loccs : int pure_strategy =
else if Termops.eq_constr (fst rew.rew_evars) t rew.rew_to then (occ, Identity)
else
let res = { rew with rew_car = ty } in
- let res = Success (coerce env unfresh cstr res) in
+ let res = Success (coerce env cstr res) in
(occ, res)
}
@@ -968,7 +968,7 @@ let fold_match ?(force=false) env sigma c =
let unfold_match env sigma sk app =
match EConstr.kind sigma app with
- | App (f', args) when Constant.equal (fst (destConst sigma f')) sk ->
+ | App (f', args) when QConstant.equal env (fst (destConst sigma f')) sk ->
let v = Environ.constant_value_in (Global.env ()) (sk,Univ.Instance.empty)(*FIXME*) in
let v = EConstr.of_constr v in
Reductionops.whd_beta env sigma (mkApp (v, args))
@@ -1017,10 +1017,10 @@ let subterm all flags (s : 'a pure_strategy) : 'a pure_strategy =
| None -> false
| Some r -> not (is_rew_cast r.rew_prf)) args'
then
- let evars', prf, car, rel, c1, c2 =
- resolve_morphism env unfresh t m args args' (prop, cstr') evars'
+ let evars', prf, car, rel, c2 =
+ resolve_morphism env m args args' (prop, cstr') evars'
in
- let res = { rew_car = ty; rew_from = c1;
+ let res = { rew_car = ty; rew_from = t;
rew_to = c2; rew_prf = RewPrf (rel, prf);
rew_evars = evars' }
in Success res
@@ -1071,7 +1071,7 @@ let subterm all flags (s : 'a pure_strategy) : 'a pure_strategy =
let res =
match prf with
| RewPrf (rel, prf) ->
- Success (apply_constraint env unfresh res.rew_car
+ Success (apply_constraint env res.rew_car
rel prf (prop,cstr) res)
| _ -> Success res
in state, res
@@ -1094,20 +1094,6 @@ let subterm all flags (s : 'a pure_strategy) : 'a pure_strategy =
| Fail | Identity -> res
in state, res
- (* if x' = None && flags.under_lambdas then *)
- (* let lam = mkLambda (n, x, b) in *)
- (* let lam', occ = aux env lam occ None in *)
- (* let res = *)
- (* match lam' with *)
- (* | None -> None *)
- (* | Some (prf, (car, rel, c1, c2)) -> *)
- (* Some (resolve_morphism env sigma t *)
- (* ~fnewt:unfold_all *)
- (* (Lazy.force coq_all) [| x ; lam |] [| None; lam' |] *)
- (* cstr evars) *)
- (* in res, occ *)
- (* else *)
-
| Prod (n, dom, codom) ->
let lam = mkLambda (n, dom, codom) in
let (evars', app), unfold =
@@ -1131,31 +1117,13 @@ let subterm all flags (s : 'a pure_strategy) : 'a pure_strategy =
B. Barras' idea is to have a context of relations, of length 1, with Σ for gluing
dependent relations and using projections to get them out.
*)
- (* | Lambda (n, t, b) when flags.under_lambdas -> *)
- (* let n' = name_app (fun id -> Tactics.fresh_id_in_env avoid id env) n in *)
- (* let n'' = name_app (fun id -> Tactics.fresh_id_in_env avoid id env) n' in *)
- (* let n''' = name_app (fun id -> Tactics.fresh_id_in_env avoid id env) n'' in *)
- (* let rel = new_cstr_evar cstr env (mkApp (Lazy.force coq_relation, [|t|])) in *)
- (* let env' = Environ.push_rel_context [(n'',None,lift 2 rel);(n'',None,lift 1 t);(n', None, t)] env in *)
- (* let b' = s env' avoid b (Typing.type_of env' (goalevars evars) (lift 2 b)) (unlift_cstr env (goalevars evars) cstr) evars in *)
- (* (match b' with *)
- (* | Some (Some r) -> *)
- (* let prf = match r.rew_prf with *)
- (* | RewPrf (rel, prf) -> *)
- (* let rel = pointwise_or_dep_relation n' t r.rew_car rel in *)
- (* let prf = mkLambda (n', t, prf) in *)
- (* RewPrf (rel, prf) *)
- (* | x -> x *)
- (* in *)
- (* Some (Some { r with *)
- (* rew_prf = prf; *)
- (* rew_car = mkProd (n, t, r.rew_car); *)
- (* rew_from = mkLambda(n, t, r.rew_from); *)
- (* rew_to = mkLambda (n, t, r.rew_to) }) *)
- (* | _ -> b') *)
| Lambda (n, t, b) when flags.under_lambdas ->
let n' = map_annot (Nameops.Name.map (fun id -> Tactics.fresh_id_in_env unfresh id env)) n in
+ let unfresh = match n'.binder_name with
+ | Anonymous -> unfresh
+ | Name id -> Id.Set.add id unfresh
+ in
let open Context.Rel.Declaration in
let env' = EConstr.push_rel (LocalAssum (n', t)) env in
let bty = Retyping.get_type_of env' (goalevars evars) b in
@@ -1196,7 +1164,7 @@ let subterm all flags (s : 'a pure_strategy) : 'a pure_strategy =
| Success r ->
let case = mkCase (ci, lift 1 p, map_invert (lift 1) iv, mkRel 1, Array.map (lift 1) brs) in
let res = make_leibniz_proof env case ty r in
- state, Success (coerce env unfresh (prop,cstr) res)
+ state, Success (coerce env (prop,cstr) res)
| Fail | Identity ->
if Array.for_all (Int.equal 0) ci.ci_cstr_ndecls then
let evars', eqty = app_poly_sort prop env evars coq_eq [| ty |] in
@@ -1237,7 +1205,7 @@ let subterm all flags (s : 'a pure_strategy) : 'a pure_strategy =
in
let res =
match res with
- | Success r -> Success (coerce env unfresh (prop,cstr) r)
+ | Success r -> Success (coerce env (prop,cstr) r)
| Fail | Identity -> res
in state, res
| _ -> state, Fail
diff --git a/plugins/ltac/tacentries.ml b/plugins/ltac/tacentries.ml
index d58a76fe13..6823b6411f 100644
--- a/plugins/ltac/tacentries.ml
+++ b/plugins/ltac/tacentries.ml
@@ -31,18 +31,6 @@ type argument = Genarg.ArgT.any Extend.user_symbol
(**********************************************************************)
(* Interpret entry names of the form "ne_constr_list" as entry keys *)
-let coincide s pat off =
- let len = String.length pat in
- let break = ref true in
- let i = ref 0 in
- while !break && !i < len do
- let c = Char.code s.[off + !i] in
- let d = Char.code pat.[!i] in
- break := Int.equal c d;
- incr i
- done;
- !break
-
let atactic n =
if n = 5 then Pcoq.Symbol.nterm Pltac.binder_tactic
else Pcoq.Symbol.nterml Pltac.tactic_expr (string_of_int n)
@@ -70,28 +58,37 @@ let check_separator ?loc = function
| Some _ -> user_err ?loc (str "Separator is only for arguments with suffix _list_sep.")
let rec parse_user_entry ?loc s sep =
- let l = String.length s in
- if l > 8 && coincide s "ne_" 0 && coincide s "_list" (l - 5) then
- let entry = parse_user_entry ?loc (String.sub s 3 (l-8)) None in
+ let open CString in
+ let matches pre suf s =
+ String.length s > (String.length pre + String.length suf) &&
+ is_prefix pre s && is_suffix suf s
+ in
+ let basename pre suf s =
+ let plen = String.length pre in
+ String.sub s plen (String.length s - (plen + String.length suf))
+ in
+ let tactic_len = String.length "tactic" in
+ if matches "ne_" "_list" s then
+ let entry = parse_user_entry ?loc (basename "ne_" "_list" s) None in
check_separator ?loc sep;
Ulist1 entry
- else if l > 12 && coincide s "ne_" 0 &&
- coincide s "_list_sep" (l-9) then
- let entry = parse_user_entry ?loc (String.sub s 3 (l-12)) None in
+ else if matches "ne_" "_list_sep" s then
+ let entry = parse_user_entry ?loc (basename "ne_" "_list_sep" s) None in
Ulist1sep (entry, get_separator sep)
- else if l > 5 && coincide s "_list" (l-5) then
- let entry = parse_user_entry ?loc (String.sub s 0 (l-5)) None in
+ else if matches "" "_list" s then
+ let entry = parse_user_entry ?loc (basename "" "_list" s) None in
check_separator ?loc sep;
Ulist0 entry
- else if l > 9 && coincide s "_list_sep" (l-9) then
- let entry = parse_user_entry ?loc (String.sub s 0 (l-9)) None in
+ else if matches "" "_list_sep" s then
+ let entry = parse_user_entry ?loc (basename "" "_list_sep" s) None in
Ulist0sep (entry, get_separator sep)
- else if l > 4 && coincide s "_opt" (l-4) then
- let entry = parse_user_entry ?loc (String.sub s 0 (l-4)) None in
+ else if matches "" "_opt" s then
+ let entry = parse_user_entry ?loc (basename "" "_opt" s) None in
check_separator ?loc sep;
Uopt entry
- else if Int.equal l 7 && coincide s "tactic" 0 && '5' >= s.[6] && s.[6] >= '0' then
- let n = Char.code s.[6] - 48 in
+ else if String.length s = tactic_len + 1 && is_prefix "tactic" s
+ && '5' >= s.[tactic_len] && s.[tactic_len] >= '0' then
+ let n = Char.code s.[tactic_len] - Char.code '0' in
check_separator ?loc sep;
Uentryl ("tactic", n)
else
@@ -159,7 +156,7 @@ let rec prod_item_of_symbol lev = function
EntryName (Rawwit wit, Pcoq.Symbol.nterm (genarg_grammar wit))
| Extend.Uentryl (s, n) ->
let ArgT.Any tag = s in
- assert (coincide (ArgT.repr tag) "tactic" 0);
+ assert (CString.is_suffix "tactic" (ArgT.repr tag));
get_tacentry n lev
(** Tactic grammar extensions *)
diff --git a/plugins/ltac/tacinterp.ml b/plugins/ltac/tacinterp.ml
index 12bfb4d09e..22b9abda20 100644
--- a/plugins/ltac/tacinterp.ml
+++ b/plugins/ltac/tacinterp.ml
@@ -2019,7 +2019,7 @@ let hide_interp {global;ast} =
hide_interp (Proofview.Goal.env gl)
end
-let hide_interp = ComTactic.register_tactic_interpreter "ltac1" hide_interp
+let ComTactic.Interpreter hide_interp = ComTactic.register_tactic_interpreter "ltac1" hide_interp
(***************************************************************************)
(** Register standard arguments *)
diff --git a/plugins/ltac/tacinterp.mli b/plugins/ltac/tacinterp.mli
index 01d7306c9d..dba9c938ec 100644
--- a/plugins/ltac/tacinterp.mli
+++ b/plugins/ltac/tacinterp.mli
@@ -131,7 +131,7 @@ type tactic_expr = {
ast: Tacexpr.raw_tactic_expr;
}
-val hide_interp : tactic_expr ComTactic.tactic_interpreter
+val hide_interp : tactic_expr -> ComTactic.interpretable
(** Internals that can be useful for syntax extensions. *)