diff options
author | Pierre-Marie Pédrot <pierre-marie.pedrot@inria.fr> | 2016-11-25 14:54:40 +0100 |
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committer | Pierre-Marie Pédrot <pierre-marie.pedrot@inria.fr> | 2017-02-14 17:30:39 +0100 |
commit | a5499688bd76def8de3d8e1089a49c7a08430903 (patch) | |
tree | 8aed5c5f9a372b90a97af706043a618e78d69d2c /plugins/funind/indfun_common.ml | |
parent | 778e863b77bcafc8ed339dd02226e85e5fee2532 (diff) |
Funind API using EConstr.
Diffstat (limited to 'plugins/funind/indfun_common.ml')
-rw-r--r-- | plugins/funind/indfun_common.ml | 56 |
1 files changed, 46 insertions, 10 deletions
diff --git a/plugins/funind/indfun_common.ml b/plugins/funind/indfun_common.ml index 08b40a1f7..2889d8d03 100644 --- a/plugins/funind/indfun_common.ml +++ b/plugins/funind/indfun_common.ml @@ -130,8 +130,8 @@ let find_reference sl s = let dp = Names.DirPath.make (List.rev_map Id.of_string sl) in Nametab.locate (make_qualid dp (Id.of_string s)) -let eq = lazy(coq_constant "eq") -let refl_equal = lazy(coq_constant "eq_refl") +let eq = lazy(EConstr.of_constr (coq_constant "eq")) +let refl_equal = lazy(EConstr.of_constr (coq_constant "eq_refl")) (*****************************************************************) (* Copy of the standart save mechanism but without the much too *) @@ -475,13 +475,13 @@ exception ToShow of exn let jmeq () = try Coqlib.check_required_library Coqlib.jmeq_module_name; - Coqlib.gen_constant "Function" ["Logic";"JMeq"] "JMeq" + EConstr.of_constr (Coqlib.gen_constant "Function" ["Logic";"JMeq"] "JMeq") with e when CErrors.noncritical e -> raise (ToShow e) let jmeq_refl () = try Coqlib.check_required_library Coqlib.jmeq_module_name; - Coqlib.gen_constant "Function" ["Logic";"JMeq"] "JMeq_refl" + EConstr.of_constr (Coqlib.gen_constant "Function" ["Logic";"JMeq"] "JMeq_refl") with e when CErrors.noncritical e -> raise (ToShow e) let h_intros l = @@ -489,10 +489,10 @@ let h_intros l = let h_id = Id.of_string "h" let hrec_id = Id.of_string "hrec" -let well_founded = function () -> (coq_constant "well_founded") -let acc_rel = function () -> (coq_constant "Acc") -let acc_inv_id = function () -> (coq_constant "Acc_inv") -let well_founded_ltof = function () -> (Coqlib.coq_constant "" ["Arith";"Wf_nat"] "well_founded_ltof") +let well_founded = function () -> EConstr.of_constr (coq_constant "well_founded") +let acc_rel = function () -> EConstr.of_constr (coq_constant "Acc") +let acc_inv_id = function () -> EConstr.of_constr (coq_constant "Acc_inv") +let well_founded_ltof = function () -> EConstr.of_constr (Coqlib.coq_constant "" ["Arith";"Wf_nat"] "well_founded_ltof") let ltof_ref = function () -> (find_reference ["Coq";"Arith";"Wf_nat"] "ltof") let evaluable_of_global_reference r = (* Tacred.evaluable_of_global_reference (Global.env ()) *) @@ -501,9 +501,45 @@ let evaluable_of_global_reference r = (* Tacred.evaluable_of_global_reference (G | VarRef id -> EvalVarRef id | _ -> assert false;; -let list_rewrite (rev:bool) (eqs: (constr*bool) list) = - let eqs = List.map (Util.on_fst EConstr.of_constr) eqs in +let list_rewrite (rev:bool) (eqs: (EConstr.constr*bool) list) = tclREPEAT (List.fold_right (fun (eq,b) i -> tclORELSE (Proofview.V82.of_tactic ((if b then Equality.rewriteLR else Equality.rewriteRL) eq)) i) (if rev then (List.rev eqs) else eqs) (tclFAIL 0 (mt())));; + +let decompose_lam_n sigma n = + let open EConstr in + if n < 0 then CErrors.error "decompose_lam_n: integer parameter must be positive"; + let rec lamdec_rec l n c = + if Int.equal n 0 then l,c + else match EConstr.kind sigma c with + | Lambda (x,t,c) -> lamdec_rec ((x,t)::l) (n-1) c + | Cast (c,_,_) -> lamdec_rec l n c + | _ -> CErrors.error "decompose_lam_n: not enough abstractions" + in + lamdec_rec [] n + +let lamn n env b = + let open EConstr in + let rec lamrec = function + | (0, env, b) -> b + | (n, ((v,t)::l), b) -> lamrec (n-1, l, mkLambda (v,t,b)) + | _ -> assert false + in + lamrec (n,env,b) + +(* compose_lam [xn:Tn;..;x1:T1] b = [x1:T1]..[xn:Tn]b *) +let compose_lam l b = lamn (List.length l) l b + +(* prodn n [xn:Tn;..;x1:T1;Gamma] b = (x1:T1)..(xn:Tn)b *) +let prodn n env b = + let open EConstr in + let rec prodrec = function + | (0, env, b) -> b + | (n, ((v,t)::l), b) -> prodrec (n-1, l, mkProd (v,t,b)) + | _ -> assert false + in + prodrec (n,env,b) + +(* compose_prod [xn:Tn;..;x1:T1] b = (x1:T1)..(xn:Tn)b *) +let compose_prod l b = prodn (List.length l) l b |