diff options
Diffstat (limited to 'checker/environ.ml')
| -rw-r--r-- | checker/environ.ml | 69 |
1 files changed, 39 insertions, 30 deletions
diff --git a/checker/environ.ml b/checker/environ.ml index 7b59c6b9..bbd043c8 100644 --- a/checker/environ.ml +++ b/checker/environ.ml @@ -8,7 +8,7 @@ open Declarations type globals = { env_constants : constant_body Cmap_env.t; env_inductives : mutual_inductive_body Mindmap_env.t; - env_inductives_eq : kernel_name KNmap.t; + env_inductives_eq : KerName.t KNmap.t; env_modules : module_body MPmap.t; env_modtypes : module_type_body MPmap.t} @@ -21,7 +21,15 @@ type env = { env_globals : globals; env_rel_context : rel_context; env_stratification : stratification; - env_imports : Cic.vodigest MPmap.t } + env_imports : Cic.vodigest MPmap.t; + env_conv_oracle : oracle; } + +let empty_oracle = { + var_opacity = Id.Map.empty; + cst_opacity = Cmap.empty; + var_trstate = Id.Pred.empty; + cst_trstate = Cpred.empty; +} let empty_env = { env_globals = @@ -34,7 +42,8 @@ let empty_env = { env_stratification = { env_universes = Univ.initial_universes; env_engagement = PredicativeSet }; - env_imports = MPmap.empty } + env_imports = MPmap.empty; + env_conv_oracle = empty_oracle } let engagement env = env.env_stratification.env_engagement let universes env = env.env_stratification.env_universes @@ -45,12 +54,14 @@ let set_engagement (impr_set as c) env = env.env_stratification.env_engagement in begin match impr_set,expected_impr_set with - | PredicativeSet, ImpredicativeSet -> error "Incompatible engagement" + | PredicativeSet, ImpredicativeSet -> user_err Pp.(str "Incompatible engagement") | _ -> () end; { env with env_stratification = { env.env_stratification with env_engagement = c } } +let set_oracle env oracle = { env with env_conv_oracle = oracle } + (* Digests *) let add_digest env dp digest = @@ -106,7 +117,7 @@ let anomaly s = anomaly (Pp.str s) let add_constant kn cs env = if Cmap_env.mem kn env.env_globals.env_constants then - Printf.ksprintf anomaly ("Constant %s is already defined") + Printf.ksprintf anomaly ("Constant %s is already defined.") (Constant.to_string kn); let new_constants = Cmap_env.add kn cs env.env_globals.env_constants in @@ -120,35 +131,33 @@ type const_evaluation_result = NoBody | Opaque (* Constant types *) let constraints_of cb u = - let univs = cb.const_universes in - Univ.subst_instance_constraints u (Univ.UContext.constraints univs) - -let map_regular_arity f = function - | RegularArity a as ar -> - let a' = f a in - if a' == a then ar else RegularArity a' - | TemplateArity _ -> assert false + match cb.const_universes with + | Monomorphic_const _ -> Univ.Constraint.empty + | Polymorphic_const ctx -> Univ.AUContext.instantiate u ctx (* constant_type gives the type of a constant *) let constant_type env (kn,u) = let cb = lookup_constant kn env in - if cb.const_polymorphic then - let csts = constraints_of cb u in - (map_regular_arity (subst_instance_constr u) cb.const_type, csts) - else cb.const_type, Univ.Constraint.empty + match cb.const_universes with + | Monomorphic_const _ -> cb.const_type, Univ.Constraint.empty + | Polymorphic_const ctx -> + let csts = constraints_of cb u in + (subst_instance_constr u cb.const_type, csts) exception NotEvaluableConst of const_evaluation_result let constant_value env (kn,u) = let cb = lookup_constant kn env in - match cb.const_body with - | Def l_body -> - let b = force_constr l_body in - if cb.const_polymorphic then - subst_instance_constr u (force_constr l_body) - else b - | OpaqueDef _ -> raise (NotEvaluableConst Opaque) - | Undef _ -> raise (NotEvaluableConst NoBody) + match cb.const_body with + | Def l_body -> + let b = force_constr l_body in + begin + match cb.const_universes with + | Monomorphic_const _ -> b + | Polymorphic_const _ -> subst_instance_constr u (force_constr l_body) + end + | OpaqueDef _ -> raise (NotEvaluableConst Opaque) + | Undef _ -> raise (NotEvaluableConst NoBody) (* A global const is evaluable if it is defined and not opaque *) let evaluable_constant cst env = @@ -161,7 +170,7 @@ let is_projection cst env = let lookup_projection p env = match (lookup_constant (Projection.constant p) env).const_proj with | Some pb -> pb - | None -> anomaly ("lookup_projection: constant is not a projection") + | None -> anomaly ("lookup_projection: constant is not a projection.") (* Mutual Inductives *) let scrape_mind env kn= @@ -182,7 +191,7 @@ let lookup_mind kn env = let add_mind kn mib env = if Mindmap_env.mem kn env.env_globals.env_inductives then - Printf.ksprintf anomaly ("Inductive %s is already defined") + Printf.ksprintf anomaly ("Inductive %s is already defined.") (MutInd.to_string kn); let new_inds = Mindmap_env.add kn mib env.env_globals.env_inductives in let kn1,kn2 = MutInd.user kn, MutInd.canonical kn in @@ -201,7 +210,7 @@ let add_mind kn mib env = let add_modtype ln mtb env = if MPmap.mem ln env.env_globals.env_modtypes then - Printf.ksprintf anomaly ("Module type %s is already defined") + Printf.ksprintf anomaly ("Module type %s is already defined.") (ModPath.to_string ln); let new_modtypes = MPmap.add ln mtb env.env_globals.env_modtypes in let new_globals = @@ -211,7 +220,7 @@ let add_modtype ln mtb env = let shallow_add_module mp mb env = if MPmap.mem mp env.env_globals.env_modules then - Printf.ksprintf anomaly ("Module %s is already defined") + Printf.ksprintf anomaly ("Module %s is already defined.") (ModPath.to_string mp); let new_mods = MPmap.add mp mb env.env_globals.env_modules in let new_globals = @@ -221,7 +230,7 @@ let shallow_add_module mp mb env = let shallow_remove_module mp env = if not (MPmap.mem mp env.env_globals.env_modules) then - Printf.ksprintf anomaly ("Module %s is unknown") + Printf.ksprintf anomaly ("Module %s is unknown.") (ModPath.to_string mp); let new_mods = MPmap.remove mp env.env_globals.env_modules in let new_globals = |