diff options
| author | Pierre-Marie Pédrot | 2019-03-03 21:03:37 +0100 |
|---|---|---|
| committer | Pierre-Marie Pédrot | 2021-01-04 14:00:20 +0100 |
| commit | d72e5c154faeea1d55387bc8c039d97f63ebd1c4 (patch) | |
| tree | d7f3c292606e98d2c2891354398e8d406d4dc15c /plugins/ltac | |
| parent | 6632739f853e42e5828fbf603f7a3089a00f33f7 (diff) | |
Change the representation of kernel case.
We store bound variable names instead of functions for both branches and
predicate, and we furthermore add the parameters in the node. Let bindings
are not taken into account and require an environment lookup for retrieval.
Diffstat (limited to 'plugins/ltac')
| -rw-r--r-- | plugins/ltac/extratactics.mlg | 2 | ||||
| -rw-r--r-- | plugins/ltac/rewrite.ml | 14 |
2 files changed, 9 insertions, 7 deletions
diff --git a/plugins/ltac/extratactics.mlg b/plugins/ltac/extratactics.mlg index 4a2c298caa..90c366ed63 100644 --- a/plugins/ltac/extratactics.mlg +++ b/plugins/ltac/extratactics.mlg @@ -774,7 +774,7 @@ let rec find_a_destructable_match sigma t = let cl = [cl, (None, None), None], None in let dest = TacAtom (CAst.make @@ TacInductionDestruct(false, false, cl)) in match EConstr.kind sigma t with - | Case (_,_,_,x,_) when closed0 sigma x -> + | Case (_,_,_,_,_,x,_) when closed0 sigma x -> if isVar sigma x then (* TODO check there is no rel n. *) raise (Found (Tacinterp.eval_tactic dest)) diff --git a/plugins/ltac/rewrite.ml b/plugins/ltac/rewrite.ml index 59533eb3e3..6d0e0c36b3 100644 --- a/plugins/ltac/rewrite.ml +++ b/plugins/ltac/rewrite.ml @@ -918,7 +918,8 @@ let reset_env env = Environ.push_rel_context (Environ.rel_context env) env' let fold_match ?(force=false) env sigma c = - let (ci, p, iv, c, brs) = destCase sigma c in + let case = destCase sigma c in + let (ci, p, iv, c, brs) = EConstr.expand_case env sigma case in let cty = Retyping.get_type_of env sigma c in let dep, pred, exists, sk = let env', ctx, body = @@ -986,7 +987,7 @@ let subterm all flags (s : 'a pure_strategy) : 'a pure_strategy = let argty = Retyping.get_type_of env (goalevars evars) arg in let state, res = s.strategy { state ; env ; unfresh ; - term1 = arg ; ty1 = argty ; + term1 = arg ; ty1 = argty ; cstr = (prop,None) ; evars } in let res' = @@ -1153,7 +1154,8 @@ let subterm all flags (s : 'a pure_strategy) : 'a pure_strategy = | Fail | Identity -> b' in state, res - | Case (ci, p, iv, c, brs) -> + | Case (ci, u, pms, p, iv, c, brs) -> + let (ci, p, iv, c, brs) = EConstr.expand_case env (goalevars evars) (ci, u, pms, p, iv, c, brs) in let cty = Retyping.get_type_of env (goalevars evars) c in let evars', eqty = app_poly_sort prop env evars coq_eq [| cty |] in let cstr' = Some eqty in @@ -1163,7 +1165,7 @@ let subterm all flags (s : 'a pure_strategy) : 'a pure_strategy = let state, res = match c' with | Success r -> - let case = mkCase (ci, lift 1 p, map_invert (lift 1) iv, mkRel 1, Array.map (lift 1) brs) in + let case = mkCase (EConstr.contract_case env (goalevars evars) (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 (prop,cstr) res) | Fail | Identity -> @@ -1185,7 +1187,7 @@ let subterm all flags (s : 'a pure_strategy) : 'a pure_strategy = in match found with | Some r -> - let ctxc = mkCase (ci, lift 1 p, map_invert (lift 1) iv, lift 1 c, Array.of_list (List.rev (brs' c'))) in + let ctxc = mkCase (EConstr.contract_case env (goalevars evars) (ci, lift 1 p, map_invert (lift 1) iv, lift 1 c, Array.of_list (List.rev (brs' c')))) in state, Success (make_leibniz_proof env ctxc ty r) | None -> state, c' else @@ -1386,7 +1388,7 @@ module Strategies = let fold_glob c : 'a pure_strategy = { strategy = fun { state ; env ; term1 = t ; ty1 = ty ; cstr ; evars } -> -(* let sigma, (c,_) = Tacinterp.interp_open_constr_with_bindings is env (goalevars evars) c in *) +(* let sigma, (c,_) = Tacinterp.interp_open_constr_with_bindings is env (goalevars evars) c in *) let sigma, c = Pretyping.understand_tcc env (goalevars evars) c in let unfolded = try Tacred.try_red_product env sigma c |