diff options
Diffstat (limited to 'tactics/elimschemes.ml')
| -rw-r--r-- | tactics/elimschemes.ml | 71 |
1 files changed, 31 insertions, 40 deletions
diff --git a/tactics/elimschemes.ml b/tactics/elimschemes.ml index 93073fdc..6bd4866c 100644 --- a/tactics/elimschemes.ml +++ b/tactics/elimschemes.ml @@ -1,9 +1,11 @@ (************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) +(* <O___,, * (see CREDITS file for the list of authors) *) (* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) (************************************************************************) (* Created by Hugo Herbelin from contents related to inductive schemes @@ -13,12 +15,12 @@ (* This file builds schemes related to case analysis and recursion schemes *) -open Term +open Sorts +open Constr open Indrec open Declarations open Typeops open Ind_tables -open Sigma.Notations (* Induction/recursion schemes *) @@ -47,26 +49,15 @@ let optimize_non_type_induction_scheme kind dep sort _ ind = let sigma, nf = Evarutil.nf_evars_and_universes sigma in (nf c', Evd.evar_universe_context sigma), eff else - let mib,mip = Inductive.lookup_mind_specif env ind in - let ctx = Declareops.inductive_context mib in - let u = Univ.UContext.instance ctx in - let ctxset = Univ.ContextSet.of_context ctx in - let ectx = Evd.evar_universe_context_of ctxset in - let sigma = Evd.merge_universe_context sigma ectx in - let sigma, c = build_induction_scheme env sigma (ind,u) dep sort in + let sigma, pind = Evd.fresh_inductive_instance env sigma ind in + let sigma, c = build_induction_scheme env sigma pind dep sort in (c, Evd.evar_universe_context sigma), Safe_typing.empty_private_constants let build_induction_scheme_in_type dep sort ind = let env = Global.env () in let sigma = Evd.from_env env in - let ctx = - let mib,mip = Inductive.lookup_mind_specif env ind in - Declareops.inductive_context mib - in - let u = Univ.UContext.instance ctx in - let ctxset = Univ.ContextSet.of_context ctx in - let sigma = Evd.merge_universe_context sigma (Evd.evar_universe_context_of ctxset) in - let sigma, c = build_induction_scheme env sigma (ind,u) dep sort in + let sigma, pind = Evd.fresh_inductive_instance env sigma ind in + let sigma, c = build_induction_scheme env sigma pind dep sort in c, Evd.evar_universe_context sigma let rect_scheme_kind_from_type = @@ -81,38 +72,38 @@ let rect_dep_scheme_kind_from_type = declare_individual_scheme_object "_rect" ~aux:"_rect_from_type" (fun _ x -> build_induction_scheme_in_type true InType x, Safe_typing.empty_private_constants) -let ind_scheme_kind_from_type = - declare_individual_scheme_object "_ind_nodep" - (optimize_non_type_induction_scheme rect_scheme_kind_from_type false InProp) - -let ind_scheme_kind_from_prop = - declare_individual_scheme_object "_ind" ~aux:"_ind_from_prop" - (optimize_non_type_induction_scheme rect_scheme_kind_from_prop false InProp) - -let ind_dep_scheme_kind_from_type = - declare_individual_scheme_object "_ind" ~aux:"_ind_from_type" - (optimize_non_type_induction_scheme rect_dep_scheme_kind_from_type true InProp) +let rec_scheme_kind_from_type = + declare_individual_scheme_object "_rec_nodep" ~aux:"_rec_nodep_from_type" + (optimize_non_type_induction_scheme rect_scheme_kind_from_type false InSet) let rec_scheme_kind_from_prop = declare_individual_scheme_object "_rec" ~aux:"_rec_from_prop" (optimize_non_type_induction_scheme rect_scheme_kind_from_prop false InSet) -let rec_scheme_kind_from_type = - declare_individual_scheme_object "_rec_nodep" ~aux:"_rec_nodep_from_type" - (optimize_non_type_induction_scheme rect_scheme_kind_from_type false InSet) - let rec_dep_scheme_kind_from_type = declare_individual_scheme_object "_rec" ~aux:"_rec_from_type" (optimize_non_type_induction_scheme rect_dep_scheme_kind_from_type true InSet) +let ind_scheme_kind_from_type = + declare_individual_scheme_object "_ind_nodep" + (optimize_non_type_induction_scheme rec_scheme_kind_from_type false InProp) + +let ind_dep_scheme_kind_from_type = + declare_individual_scheme_object "_ind" ~aux:"_ind_from_type" + (optimize_non_type_induction_scheme rec_dep_scheme_kind_from_type true InProp) + +let ind_scheme_kind_from_prop = + declare_individual_scheme_object "_ind" ~aux:"_ind_from_prop" + (optimize_non_type_induction_scheme rec_scheme_kind_from_prop false InProp) + (* Case analysis *) let build_case_analysis_scheme_in_type dep sort ind = let env = Global.env () in - let sigma = Sigma.Unsafe.of_evar_map (Evd.from_env env) in - let Sigma (indu, sigma, _) = Sigma.fresh_inductive_instance env sigma ind in - let Sigma (c, sigma, _) = build_case_analysis_scheme env sigma indu dep sort in - c, Evd.evar_universe_context (Sigma.to_evar_map sigma) + let sigma = Evd.from_env env in + let (sigma, indu) = Evd.fresh_inductive_instance env sigma ind in + let (sigma, c) = build_case_analysis_scheme env sigma indu dep sort in + c, Evd.evar_universe_context sigma let case_scheme_kind_from_type = declare_individual_scheme_object "_case_nodep" |