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(************************************************************************)
(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017     *)
(*   \VV/  **************************************************************)
(*    //   *      This file is distributed under the terms of the       *)
(*         *       GNU Lesser General Public License Version 2.1        *)
(************************************************************************)

open Pp
open Names
open Globnames
open Term
open Environ
open Pattern
open Evd
open Proof_type
open Glob_term

(** These are the entry points for printing terms, context, tac, ... *)


val enable_unfocused_goal_printing: bool ref
val enable_goal_tags_printing      : bool ref
val enable_goal_names_printing     : bool ref

(** Terms *)

val pr_lconstr_env         : env -> evar_map -> constr -> std_ppcmds
val pr_lconstr             : constr -> std_ppcmds
val pr_lconstr_goal_style_env : env -> evar_map -> constr -> std_ppcmds

val pr_constr_env          : env -> evar_map -> constr -> std_ppcmds
val pr_constr              : constr -> std_ppcmds
val pr_constr_goal_style_env : env -> evar_map -> constr -> std_ppcmds

(** Same, but resilient to [Nametab] errors. Prints fully-qualified
    names when [shortest_qualid_of_global] has failed. Prints "??"
    in case of remaining issues (such as reference not in env). *)

val safe_pr_lconstr_env         : env -> evar_map -> constr -> std_ppcmds
val safe_pr_lconstr             : constr -> std_ppcmds

val safe_pr_constr_env          : env -> evar_map -> constr -> std_ppcmds
val safe_pr_constr              : constr -> std_ppcmds

val pr_econstr_env     : env -> evar_map -> EConstr.t -> std_ppcmds
val pr_econstr         : EConstr.t -> std_ppcmds
val pr_leconstr_env     : env -> evar_map -> EConstr.t -> std_ppcmds
val pr_leconstr         : EConstr.t -> std_ppcmds

val pr_etype_env           : env -> evar_map -> EConstr.types -> std_ppcmds
val pr_letype_env           : env -> evar_map -> EConstr.types -> std_ppcmds

val pr_open_constr_env     : env -> evar_map -> open_constr -> std_ppcmds
val pr_open_constr         : open_constr -> std_ppcmds

val pr_open_lconstr_env    : env -> evar_map -> open_constr -> std_ppcmds
val pr_open_lconstr        : open_constr -> std_ppcmds

val pr_constr_under_binders_env  : env -> evar_map -> constr_under_binders -> std_ppcmds
val pr_constr_under_binders      : constr_under_binders -> std_ppcmds

val pr_lconstr_under_binders_env : env -> evar_map -> constr_under_binders -> std_ppcmds
val pr_lconstr_under_binders     : constr_under_binders -> std_ppcmds

val pr_goal_concl_style_env : env -> evar_map -> EConstr.types -> std_ppcmds
val pr_ltype_env           : env -> evar_map -> types -> std_ppcmds
val pr_ltype               : types -> std_ppcmds

val pr_type_env            : env -> evar_map -> types -> std_ppcmds
val pr_type                : types -> std_ppcmds

val pr_closed_glob_env     : env -> evar_map -> closed_glob_constr -> std_ppcmds
val pr_closed_glob         : closed_glob_constr -> std_ppcmds

val pr_ljudge_env          : env -> evar_map -> EConstr.unsafe_judgment -> std_ppcmds * std_ppcmds
val pr_ljudge              : EConstr.unsafe_judgment -> std_ppcmds * std_ppcmds

val pr_lglob_constr_env      : env -> glob_constr -> std_ppcmds
val pr_lglob_constr          : glob_constr -> std_ppcmds

val pr_glob_constr_env       : env -> glob_constr -> std_ppcmds
val pr_glob_constr           : glob_constr -> std_ppcmds

val pr_lconstr_pattern_env : env -> evar_map -> constr_pattern -> std_ppcmds
val pr_lconstr_pattern     : constr_pattern -> std_ppcmds

val pr_constr_pattern_env  : env -> evar_map -> constr_pattern -> std_ppcmds
val pr_constr_pattern      : constr_pattern -> std_ppcmds

val pr_cases_pattern       : cases_pattern -> std_ppcmds

val pr_sort                : evar_map -> sorts -> std_ppcmds

(** Universe constraints *)

val pr_polymorphic         : bool -> std_ppcmds
val pr_cumulative          : bool -> bool -> std_ppcmds
val pr_universe_instance   : evar_map -> Univ.universe_context -> std_ppcmds
val pr_universe_ctx        : evar_map -> Univ.universe_context -> std_ppcmds
val pr_cumulativity_info   : evar_map -> Univ.cumulativity_info -> std_ppcmds

(** Printing global references using names as short as possible *)

val pr_global_env          : Id.Set.t -> global_reference -> std_ppcmds
val pr_global              : global_reference -> std_ppcmds

val pr_constant            : env -> constant -> std_ppcmds
val pr_existential_key     : evar_map -> existential_key -> std_ppcmds
val pr_existential         : env -> evar_map -> existential -> std_ppcmds
val pr_constructor         : env -> constructor -> std_ppcmds
val pr_inductive           : env -> inductive -> std_ppcmds
val pr_evaluable_reference : evaluable_global_reference -> std_ppcmds

val pr_pconstant           : env -> pconstant -> std_ppcmds
val pr_pinductive          : env -> pinductive -> std_ppcmds
val pr_pconstructor        : env -> pconstructor -> std_ppcmds


(** Contexts *)
(** Display compact contexts of goals (simple hyps on the same line) *)
val set_compact_context : bool -> unit
val get_compact_context : unit -> bool

val pr_context_unlimited   : env -> evar_map -> std_ppcmds
val pr_ne_context_of       : std_ppcmds -> env -> evar_map -> std_ppcmds

val pr_named_decl          : env -> evar_map -> Context.Named.Declaration.t -> std_ppcmds
val pr_compacted_decl      : env -> evar_map -> Context.Compacted.Declaration.t -> std_ppcmds
val pr_rel_decl            : env -> evar_map -> Context.Rel.Declaration.t -> std_ppcmds

val pr_named_context       : env -> evar_map -> Context.Named.t -> std_ppcmds
val pr_named_context_of    : env -> evar_map -> std_ppcmds
val pr_rel_context         : env -> evar_map -> Context.Rel.t -> std_ppcmds
val pr_rel_context_of      : env -> evar_map -> std_ppcmds
val pr_context_of          : env -> evar_map -> std_ppcmds

(** Predicates *)

val pr_predicate           : ('a -> std_ppcmds) -> (bool * 'a list) -> std_ppcmds
val pr_cpred               : Cpred.t -> std_ppcmds
val pr_idpred              : Id.Pred.t -> std_ppcmds
val pr_transparent_state   : transparent_state -> std_ppcmds

(** Proofs, these functions obey [Hyps Limit] and [Compact contexts]. *)

val pr_goal                : goal sigma -> std_ppcmds

(** [pr_subgoals ~pr_first pp sigma seeds shelf focus_stack unfocused goals]
   prints the goals of the list [goals] followed by the goals in
   [unfocused], in a short way (typically only the conclusion) except
   for the first goal if [pr_first] is true. This function can be
   replaced by another one by calling [set_printer_pr] (see below),
   typically by plugin writers. The default printer prints only the
   focused goals unless the conrresponding option
   [enable_unfocused_goal_printing] is set. [seeds] is for printing
   dependent evars (mainly for emacs proof tree mode). *)
val pr_subgoals            : ?pr_first:bool -> std_ppcmds option -> evar_map -> evar list -> Goal.goal list -> int list
                             -> goal list -> goal list -> std_ppcmds

val pr_subgoal             : int -> evar_map -> goal list -> std_ppcmds
val pr_concl               : int -> evar_map -> goal -> std_ppcmds

val pr_open_subgoals       : ?proof:Proof.proof -> unit -> std_ppcmds
val pr_nth_open_subgoal    : int -> std_ppcmds
val pr_evar                : evar_map -> (evar * evar_info) -> std_ppcmds
val pr_evars_int           : evar_map -> int -> evar_info Evar.Map.t -> std_ppcmds
val pr_evars               : evar_map -> evar_info Evar.Map.t -> std_ppcmds
val pr_ne_evar_set         : std_ppcmds -> std_ppcmds -> evar_map ->
  Evar.Set.t -> std_ppcmds

val pr_prim_rule           : prim_rule -> std_ppcmds

(** Backwards compatibility *)

val prterm                 : constr -> std_ppcmds (** = pr_lconstr *)


(** Declarations for the "Print Assumption" command *)
type axiom =
  | Constant of constant (* An axiom or a constant. *)
  | Positive of MutInd.t (* A mutually inductive definition which has been assumed positive. *)
  | Guarded of constant (* a constant whose (co)fixpoints have been assumed to be guarded *)

type context_object =
  | Variable of Id.t (* A section variable or a Let definition *)
  | Axiom of axiom * (Label.t * Context.Rel.t * types) list
  | Opaque of constant     (* An opaque constant. *)
  | Transparent of constant

module ContextObjectSet : Set.S with type elt = context_object
module ContextObjectMap : CMap.ExtS
  with type key = context_object and module Set := ContextObjectSet

val pr_assumptionset :
  env -> Term.types ContextObjectMap.t -> std_ppcmds

val pr_goal_by_id : Id.t -> std_ppcmds
val pr_goal_by_uid : string -> std_ppcmds

type printer_pr = {
 pr_subgoals            : ?pr_first:bool -> std_ppcmds option -> evar_map -> evar list -> Goal.goal list -> int list -> goal list -> goal list -> std_ppcmds;
 pr_subgoal             : int -> evar_map -> goal list -> std_ppcmds;
 pr_goal                : goal sigma -> std_ppcmds;
};;

val set_printer_pr : printer_pr -> unit

val default_printer_pr : printer_pr