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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(** This module defines proof facilities relevant to the
toplevel. In particular it defines the global proof
environment. *)
(** Type of proof modes :
- A name
- A function [set] to set it *from standard mode*
- A function [reset] to reset the *standard mode* from it
*)
type proof_mode = {
name : string ;
set : unit -> unit ;
reset : unit -> unit
}
(** Registers a new proof mode which can then be adressed by name
in [set_default_proof_mode].
One mode is already registered - the standard mode - named "No",
It corresponds to Coq default setting are they are set when coqtop starts. *)
val register_proof_mode : proof_mode -> unit
val there_are_pending_proofs : unit -> bool
val check_no_pending_proof : unit -> unit
val get_current_proof_name : unit -> Names.Id.t
val get_all_proof_names : unit -> Names.Id.t list
val discard : Names.Id.t Loc.located -> unit
val discard_current : unit -> unit
val discard_all : unit -> unit
(** [set_proof_mode] sets the proof mode to be used after it's called. It is
typically called by the Proof Mode command. *)
val set_proof_mode : string -> unit
exception NoCurrentProof
val give_me_the_proof : unit -> Proof.proof
(** @raise NoCurrentProof when outside proof mode. *)
(** When a proof is closed, it is reified into a [proof_object], where
[id] is the name of the proof, [entries] the list of the proof terms
(in a form suitable for definitions). Together with the [terminator]
function which takes a [proof_object] together with a [proof_end]
(i.e. an proof ending command) and registers the appropriate
values. *)
type lemma_possible_guards = int list list
type proof_universes = Evd.evar_universe_context
type proof_object = {
id : Names.Id.t;
entries : Entries.definition_entry list;
persistence : Decl_kinds.goal_kind;
universes: proof_universes;
(* constraints : Univ.constraints; *)
(** guards : lemma_possible_guards; *)
}
type proof_ending =
| Admitted
| Proved of Vernacexpr.opacity_flag *
(Vernacexpr.lident * Decl_kinds.theorem_kind option) option *
proof_object
type proof_terminator = proof_ending -> unit
type closed_proof = proof_object * proof_terminator
(** [start_proof id str goals terminator] starts a proof of name [id]
with goals [goals] (a list of pairs of environment and
conclusion); [str] describes what kind of theorem/definition this
is (spiwack: for potential printing, I believe is used only by
closing commands and the xml plugin); [terminator] is used at the
end of the proof to close the proof. *)
val start_proof :
Evd.evar_map -> Names.Id.t -> Decl_kinds.goal_kind -> (Environ.env * Term.types) list ->
proof_terminator -> unit
(** Like [start_proof] except that there may be dependencies between
initial goals. *)
val start_dependent_proof :
Names.Id.t -> Decl_kinds.goal_kind -> Proofview.telescope ->
proof_terminator -> unit
(* Takes a function to add to the exceptions data relative to the
state in which the proof was built *)
val close_proof : (exn -> exn) -> closed_proof
(* Intermediate step necessary to delegate the future.
* Both access the current proof state. The formes is supposed to be
* chained with a computation that completed the proof *)
type closed_proof_output = (Term.constr * Declareops.side_effects) list * Evd.evar_universe_context
val return_proof : unit -> closed_proof_output
val close_future_proof : feedback_id:Stateid.t ->
closed_proof_output Future.computation -> closed_proof
(** Gets the current terminator without checking that the proof has
been completed. Useful for the likes of [Admitted]. *)
val get_terminator : unit -> proof_terminator
val set_terminator : proof_terminator -> unit
exception NoSuchProof
val get_open_goals : unit -> int
(** Runs a tactic on the current proof. Raises [NoCurrentProof] is there is
no current proof.
The return boolean is set to [false] if an unsafe tactic has been used. *)
val with_current_proof :
(unit Proofview.tactic -> Proof.proof -> Proof.proof*bool) -> bool
val simple_with_current_proof :
(unit Proofview.tactic -> Proof.proof -> Proof.proof) -> unit
(** Sets the tactic to be used when a tactic line is closed with [...] *)
val set_endline_tactic : Tacexpr.raw_tactic_expr -> unit
val set_interp_tac :
(Tacexpr.raw_tactic_expr -> unit Proofview.tactic)
-> unit
(** Sets the section variables assumed by the proof *)
val set_used_variables : Names.Id.t list -> unit
val get_used_variables : unit -> Context.section_context option
(**********************************************************)
(* *)
(* Proof modes *)
(* *)
(**********************************************************)
val activate_proof_mode : string -> unit
val disactivate_proof_mode : string -> unit
(**********************************************************)
(* *)
(* Bullets *)
(* *)
(**********************************************************)
module Bullet : sig
type t = Vernacexpr.bullet
(** A [behavior] is the data of a put function which
is called when a bullet prefixes a tactic, together
with a name to identify it. *)
type behavior = {
name : string;
put : Proof.proof -> t -> Proof.proof
}
(** A registered behavior can then be accessed in Coq
through the command [Set Bullet Behavior "name"].
Two modes are registered originally:
* "Strict Subproofs":
- If this bullet follows another one of its kind, defocuses then focuses
(which fails if the focused subproof is not complete).
- If it is the first bullet of its kind, then focuses a new subproof.
* "None": bullets don't do anything *)
val register_behavior : behavior -> unit
(** Handles focusing/defocusing with bullets:
*)
val put : Proof.proof -> t -> Proof.proof
end
(**********************************************************)
(* *)
(* Default goal selector *)
(* *)
(**********************************************************)
val get_default_goal_selector : unit -> Vernacexpr.goal_selector
module V82 : sig
val get_current_initial_conclusions : unit -> Names.Id.t *(Term.types list *
Decl_kinds.goal_kind)
end
type state
val freeze : marshallable:[`Yes | `No | `Shallow] -> state
val unfreeze : state -> unit
val proof_of_state : state -> Proof.proof
|
