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|
(************************************************************************)
(* * 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 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
open Names
open Constr
open Univ
open Declarations
(** Unsafe environments. We define here a datatype for environments.
Since typing is not yet defined, it is not possible to check the
informations added in environments, and that is why we speak here
of ``unsafe'' environments. *)
(** Environments have the following components:
- a context for de Bruijn variables
- a context for de Bruijn variables vm values
- a context for section variables and goal assumptions
- a context for section variables and goal assumptions vm values
- a context for global constants and axioms
- a context for inductive definitions
- a set of universe constraints
- a flag telling if Set is, can be, or cannot be set impredicative *)
type env
val pre_env : env -> Pre_env.env
val env_of_pre_env : Pre_env.env -> env
val oracle : env -> Conv_oracle.oracle
val set_oracle : env -> Conv_oracle.oracle -> env
type named_context_val
val eq_named_context_val : named_context_val -> named_context_val -> bool
val empty_env : env
val universes : env -> UGraph.t
val rel_context : env -> Context.Rel.t
val named_context : env -> Context.Named.t
val named_context_val : env -> named_context_val
val opaque_tables : env -> Opaqueproof.opaquetab
val set_opaque_tables : env -> Opaqueproof.opaquetab -> env
val engagement : env -> engagement
val typing_flags : env -> typing_flags
val is_impredicative_set : env -> bool
val type_in_type : env -> bool
val deactivated_guard : env -> bool
(** is the local context empty *)
val empty_context : env -> bool
(** {5 Context of de Bruijn variables ([rel_context]) } *)
val nb_rel : env -> int
val push_rel : Context.Rel.Declaration.t -> env -> env
val push_rel_context : Context.Rel.t -> env -> env
val push_rec_types : rec_declaration -> env -> env
(** Looks up in the context of local vars referred by indice ([rel_context])
raises [Not_found] if the index points out of the context *)
val lookup_rel : int -> env -> Context.Rel.Declaration.t
val evaluable_rel : int -> env -> bool
(** {6 Recurrence on [rel_context] } *)
val fold_rel_context :
(env -> Context.Rel.Declaration.t -> 'a -> 'a) -> env -> init:'a -> 'a
(** {5 Context of variables (section variables and goal assumptions) } *)
val named_context_of_val : named_context_val -> Context.Named.t
val val_of_named_context : Context.Named.t -> named_context_val
val empty_named_context_val : named_context_val
val ids_of_named_context_val : named_context_val -> Id.Set.t
(** [map_named_val f ctxt] apply [f] to the body and the type of
each declarations.
*** /!\ *** [f t] should be convertible with t *)
val map_named_val :
(constr -> constr) -> named_context_val -> named_context_val
val push_named : Context.Named.Declaration.t -> env -> env
val push_named_context : Context.Named.t -> env -> env
val push_named_context_val :
Context.Named.Declaration.t -> named_context_val -> named_context_val
(** Looks up in the context of local vars referred by names ([named_context])
raises [Not_found] if the Id.t is not found *)
val lookup_named : variable -> env -> Context.Named.Declaration.t
val lookup_named_val : variable -> named_context_val -> Context.Named.Declaration.t
val evaluable_named : variable -> env -> bool
val named_type : variable -> env -> types
val named_body : variable -> env -> constr option
(** {6 Recurrence on [named_context]: older declarations processed first } *)
val fold_named_context :
(env -> Context.Named.Declaration.t -> 'a -> 'a) -> env -> init:'a -> 'a
(** Recurrence on [named_context] starting from younger decl *)
val fold_named_context_reverse :
('a -> Context.Named.Declaration.t -> 'a) -> init:'a -> env -> 'a
(** This forgets named and rel contexts *)
val reset_context : env -> env
(** This forgets rel context and sets a new named context *)
val reset_with_named_context : named_context_val -> env -> env
(** This removes the [n] last declarations from the rel context *)
val pop_rel_context : int -> env -> env
(** {5 Global constants }
{6 Add entries to global environment } *)
val add_constant : Constant.t -> constant_body -> env -> env
val add_constant_key : Constant.t -> constant_body -> Pre_env.link_info ->
env -> env
(** Looks up in the context of global constant names
raises [Not_found] if the required path is not found *)
val lookup_constant : Constant.t -> env -> constant_body
val evaluable_constant : Constant.t -> env -> bool
(** New-style polymorphism *)
val polymorphic_constant : Constant.t -> env -> bool
val polymorphic_pconstant : pconstant -> env -> bool
val type_in_type_constant : Constant.t -> env -> bool
(** {6 ... } *)
(** [constant_value env c] raises [NotEvaluableConst Opaque] if
[c] is opaque and [NotEvaluableConst NoBody] if it has no
body and [NotEvaluableConst IsProj] if [c] is a projection
and [Not_found] if it does not exist in [env] *)
type const_evaluation_result = NoBody | Opaque
exception NotEvaluableConst of const_evaluation_result
val constant_type : env -> Constant.t puniverses -> types constrained
val constant_value_and_type : env -> Constant.t puniverses ->
constr option * types * Univ.Constraint.t
(** The universe context associated to the constant, empty if not
polymorphic *)
val constant_context : env -> Constant.t -> Univ.AUContext.t
(* These functions should be called under the invariant that [env]
already contains the constraints corresponding to the constant
application. *)
val constant_value_in : env -> Constant.t puniverses -> constr
val constant_type_in : env -> Constant.t puniverses -> types
val constant_opt_value_in : env -> Constant.t puniverses -> constr option
(** {6 Primitive projections} *)
val lookup_projection : Names.Projection.t -> env -> projection_body
val is_projection : Constant.t -> env -> bool
(** {5 Inductive types } *)
val add_mind_key : MutInd.t -> Pre_env.mind_key -> env -> env
val add_mind : MutInd.t -> mutual_inductive_body -> env -> env
(** Looks up in the context of global inductive names
raises [Not_found] if the required path is not found *)
val lookup_mind : MutInd.t -> env -> mutual_inductive_body
(** New-style polymorphism *)
val polymorphic_ind : inductive -> env -> bool
val polymorphic_pind : pinductive -> env -> bool
val type_in_type_ind : inductive -> env -> bool
(** Old-style polymorphism *)
val template_polymorphic_ind : inductive -> env -> bool
val template_polymorphic_pind : pinductive -> env -> bool
(** {5 Modules } *)
val add_modtype : module_type_body -> env -> env
(** [shallow_add_module] does not add module components *)
val shallow_add_module : module_body -> env -> env
val lookup_module : ModPath.t -> env -> module_body
val lookup_modtype : ModPath.t -> env -> module_type_body
(** {5 Universe constraints } *)
(** Add universe constraints to the environment.
@raise UniverseInconsistency .
*)
val add_constraints : Univ.Constraint.t -> env -> env
(** Check constraints are satifiable in the environment. *)
val check_constraints : Univ.Constraint.t -> env -> bool
val push_context : ?strict:bool -> Univ.UContext.t -> env -> env
val push_context_set : ?strict:bool -> Univ.ContextSet.t -> env -> env
val push_constraints_to_env : 'a Univ.constrained -> env -> env
val set_engagement : engagement -> env -> env
val set_typing_flags : typing_flags -> env -> env
(** {6 Sets of referred section variables }
[global_vars_set env c] returns the list of [id]'s occurring either
directly as [Var id] in [c] or indirectly as a section variable
dependent in a global reference occurring in [c] *)
val global_vars_set : env -> constr -> Id.Set.t
(** the constr must be a global reference *)
val vars_of_global : env -> constr -> Id.Set.t
(** closure of the input id set w.r.t. dependency *)
val really_needed : env -> Id.Set.t -> Id.Set.t
(** like [really_needed] but computes a well ordered named context *)
val keep_hyps : env -> Id.Set.t -> Context.Named.t
(** {5 Unsafe judgments. }
We introduce here the pre-type of judgments, which is
actually only a datatype to store a term with its type and the type of its
type. *)
type ('constr, 'types) punsafe_judgment = {
uj_val : 'constr;
uj_type : 'types }
type unsafe_judgment = (constr, types) punsafe_judgment
val make_judge : 'constr -> 'types -> ('constr, 'types) punsafe_judgment
val j_val : ('constr, 'types) punsafe_judgment -> 'constr
val j_type : ('constr, 'types) punsafe_judgment -> 'types
type 'types punsafe_type_judgment = {
utj_val : 'types;
utj_type : Sorts.t }
type unsafe_type_judgment = types punsafe_type_judgment
(** {6 Compilation of global declaration } *)
val compile_constant_body : env -> constant_universes -> constant_def -> Cemitcodes.body_code option
exception Hyp_not_found
(** [apply_to_hyp sign id f] split [sign] into [tail::(id,_,_)::head] and
return [tail::(f head (id,_,_) (rev tail))::head].
the value associated to id should not change *)
val apply_to_hyp : named_context_val -> variable ->
(Context.Named.t -> Context.Named.Declaration.t -> Context.Named.t -> Context.Named.Declaration.t) ->
named_context_val
val remove_hyps : Id.Set.t -> (Context.Named.Declaration.t -> Context.Named.Declaration.t) -> (Pre_env.lazy_val -> Pre_env.lazy_val) -> named_context_val -> named_context_val
open Retroknowledge
(** functions manipulating the retroknowledge
@author spiwack *)
val retroknowledge : (retroknowledge->'a) -> env -> 'a
val registered : env -> field -> bool
val register : env -> field -> Retroknowledge.entry -> env
(** Native compiler *)
val no_link_info : Pre_env.link_info
|
