diff options
Diffstat (limited to 'proofs/redexpr.ml')
| -rw-r--r-- | proofs/redexpr.ml | 54 |
1 files changed, 31 insertions, 23 deletions
diff --git a/proofs/redexpr.ml b/proofs/redexpr.ml index 72cb05f1..6fb41193 100644 --- a/proofs/redexpr.ml +++ b/proofs/redexpr.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) *) (************************************************************************) open Pp @@ -11,6 +13,7 @@ open CErrors open Util open Names open Term +open EConstr open Declarations open Globnames open Genredexpr @@ -24,10 +27,11 @@ open Misctypes (* call by value normalisation function using the virtual machine *) let cbv_vm env sigma c = - let ctyp = Retyping.get_type_of env sigma c in - if Termops.occur_meta_or_existential c then - error "vm_compute does not support existential variables."; - Vnorm.cbv_vm env c ctyp + if Coq_config.bytecode_compiler then + let ctyp = Retyping.get_type_of env sigma c in + Vnorm.cbv_vm env sigma c ctyp + else + compute env sigma c let warn_native_compute_disabled = CWarnings.create ~name:"native-compute-disabled" ~category:"native-compiler" @@ -35,24 +39,25 @@ let warn_native_compute_disabled = strbrk "native_compute disabled at configure time; falling back to vm_compute.") let cbv_native env sigma c = - if Coq_config.no_native_compiler then - (warn_native_compute_disabled (); - cbv_vm env sigma c) - else + if Coq_config.native_compiler then let ctyp = Retyping.get_type_of env sigma c in Nativenorm.native_norm env sigma c ctyp + else + (warn_native_compute_disabled (); + cbv_vm env sigma c) let whd_cbn flags env sigma t = let (state,_) = - (whd_state_gen true true flags env sigma (t,Reductionops.Stack.empty)) - in Reductionops.Stack.zip ~refold:true state + (whd_state_gen ~refold:true ~tactic_mode:true flags env sigma (t,Reductionops.Stack.empty)) + in + Reductionops.Stack.zip ~refold:true sigma state let strong_cbn flags = strong (whd_cbn flags) let simplIsCbn = ref (false) let _ = Goptions.declare_bool_option { - Goptions.optsync = true; Goptions.optdepr = false; + Goptions.optdepr = false; Goptions.optname = "Plug the simpl tactic to the new cbn mechanism"; Goptions.optkey = ["SimplIsCbn"]; @@ -73,7 +78,7 @@ let set_strategy_one ref l = let cb = Global.lookup_constant sp in (match cb.const_body with | OpaqueDef _ -> - errorlabstrm "set_transparent_const" + user_err ~hdr:"set_transparent_const" (str "Cannot make" ++ spc () ++ Nametab.pr_global_env Id.Set.empty (ConstRef sp) ++ spc () ++ str "transparent because it was declared opaque."); @@ -175,19 +180,19 @@ let red_expr_tab = Summary.ref String.Map.empty ~name:"Declare Reduction" let declare_reduction s f = if String.Map.mem s !reduction_tab || String.Map.mem s !red_expr_tab - then errorlabstrm "Redexpr.declare_reduction" + then user_err ~hdr:"Redexpr.declare_reduction" (str "There is already a reduction expression of name " ++ str s) else reduction_tab := String.Map.add s f !reduction_tab let check_custom = function | ExtraRedExpr s -> if not (String.Map.mem s !reduction_tab || String.Map.mem s !red_expr_tab) - then errorlabstrm "Redexpr.check_custom" (str "Reference to undefined reduction expression " ++ str s) + then user_err ~hdr:"Redexpr.check_custom" (str "Reference to undefined reduction expression " ++ str s) |_ -> () let decl_red_expr s e = if String.Map.mem s !reduction_tab || String.Map.mem s !red_expr_tab - then errorlabstrm "Redexpr.decl_red_expr" + then user_err ~hdr:"Redexpr.decl_red_expr" (str "There is already a reduction expression of name " ++ str s) else begin check_custom e; @@ -195,13 +200,13 @@ let decl_red_expr s e = end let out_arg = function - | ArgVar _ -> anomaly (Pp.str "Unevaluated or_var variable") + | ArgVar _ -> anomaly (Pp.str "Unevaluated or_var variable.") | ArgArg x -> x let out_with_occurrences (occs,c) = (Locusops.occurrences_map (List.map out_arg) occs, c) -let e_red f = { e_redfun = fun env evm c -> Sigma.here (f env (Sigma.to_evar_map evm) c) evm } +let e_red f env evm c = evm, f env evm c let head_style = false (* Turn to true to have a semantics where simpl only reduce at the head when an evaluable reference is given, e.g. @@ -247,16 +252,19 @@ let reduction_of_red_expr env = with Not_found -> (try reduction_of_red_expr (String.Map.find s !red_expr_tab) with Not_found -> - errorlabstrm "Redexpr.reduction_of_red_expr" + user_err ~hdr:"Redexpr.reduction_of_red_expr" (str "unknown user-defined reduction \"" ++ str s ++ str "\""))) | CbvVm o -> (contextualize cbv_vm cbv_vm o, VMcast) | CbvNative o -> (contextualize cbv_native cbv_native o, NATIVEcast) in reduction_of_red_expr +let subst_mps subst c = + EConstr.of_constr (Mod_subst.subst_mps subst (EConstr.Unsafe.to_constr c)) + let subst_red_expr subs = Miscops.map_red_expr_gen - (Mod_subst.subst_mps subs) + (subst_mps subs) (Mod_subst.subst_evaluable_reference subs) (Patternops.subst_pattern subs) |