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|
(***********************************************************************
v * The Coq Proof Assistant / The Coq Development Team
<O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud
\VV/ *************************************************************
// * This file is distributed under the terms of the
* GNU Lesser General Public License Version 2.1
***********************************************************************)
open Util
open Names
open Term
open Sign
open Proof_type
open Tacmach
open Clenv
open Pattern
open Environ
open Evd
open Libnames
open Vernacexpr
open Mod_subst
(** Auto and related automation tactics *)
type auto_tactic =
| Res_pf of constr * clausenv (** Hint Apply *)
| ERes_pf of constr * clausenv (** Hint EApply *)
| Give_exact of constr
| Res_pf_THEN_trivial_fail of constr * clausenv (** Hint Immediate *)
| Unfold_nth of evaluable_global_reference (** Hint Unfold *)
| Extern of Tacexpr.glob_tactic_expr (** Hint Extern *)
open Rawterm
type pri_auto_tactic = {
pri : int; (** A number between 0 and 4, 4 = lower priority *)
pat : constr_pattern option; (** A pattern for the concl of the Goal *)
code : auto_tactic; (** the tactic to apply when the concl matches pat *)
}
type stored_data = pri_auto_tactic
type search_entry
(** The head may not be bound. *)
type hint_entry = global_reference option * pri_auto_tactic
module Hint_db :
sig
type t
val empty : transparent_state -> bool -> t
val find : global_reference -> t -> search_entry
val map_none : t -> pri_auto_tactic list
val map_all : global_reference -> t -> pri_auto_tactic list
val map_auto : global_reference * constr -> t -> pri_auto_tactic list
val add_one : hint_entry -> t -> t
val add_list : (hint_entry) list -> t -> t
val iter : (global_reference option -> stored_data list -> unit) -> t -> unit
val use_dn : t -> bool
val transparent_state : t -> transparent_state
val set_transparent_state : t -> transparent_state -> t
val unfolds : t -> Idset.t * Cset.t
end
type hint_db_name = string
type hint_db = Hint_db.t
type hints_entry =
| HintsResolveEntry of (int option * bool * constr) list
| HintsImmediateEntry of constr list
| HintsUnfoldEntry of evaluable_global_reference list
| HintsTransparencyEntry of evaluable_global_reference list * bool
| HintsExternEntry of
int * (patvar list * constr_pattern) option * Tacexpr.glob_tactic_expr
| HintsDestructEntry of identifier * int * (bool,unit) Tacexpr.location *
(patvar list * constr_pattern) * Tacexpr.glob_tactic_expr
val searchtable_map : hint_db_name -> hint_db
val searchtable_add : (hint_db_name * hint_db) -> unit
(** [create_hint_db local name st use_dn].
[st] is a transparency state for unification using this db
[use_dn] switches the use of the discrimination net for all hints
and patterns. *)
val create_hint_db : bool -> hint_db_name -> transparent_state -> bool -> unit
val current_db_names : unit -> hint_db_name list
val interp_hints : hints_expr -> hints_entry
val add_hints : locality_flag -> hint_db_name list -> hints_entry -> unit
val print_searchtable : unit -> unit
val print_applicable_hint : unit -> unit
val print_hint_ref : global_reference -> unit
val print_hint_db_by_name : hint_db_name -> unit
val print_hint_db : Hint_db.t -> unit
(** [make_exact_entry pri (c, ctyp)].
[c] is the term given as an exact proof to solve the goal;
[ctyp] is the type of [c]. *)
val make_exact_entry : evar_map -> int option -> constr * constr -> hint_entry
(** [make_apply_entry (eapply,verbose) pri (c,cty)].
[eapply] is true if this hint will be used only with EApply;
[hnf] should be true if we should expand the head of cty before searching for
products;
[c] is the term given as an exact proof to solve the goal;
[cty] is the type of [c]. *)
val make_apply_entry :
env -> evar_map -> bool * bool * bool -> int option -> constr * constr
-> hint_entry
(** A constr which is Hint'ed will be:
- (1) used as an Exact, if it does not start with a product
- (2) used as an Apply, if its HNF starts with a product, and
has no missing arguments.
- (3) used as an EApply, if its HNF starts with a product, and
has missing arguments. *)
val make_resolves :
env -> evar_map -> bool * bool * bool -> int option -> constr ->
hint_entry list
(** [make_resolve_hyp hname htyp].
used to add an hypothesis to the local hint database;
Never raises a user exception;
If the hyp cannot be used as a Hint, the empty list is returned. *)
val make_resolve_hyp :
env -> evar_map -> named_declaration -> hint_entry list
(** [make_extern pri pattern tactic_expr] *)
val make_extern :
int -> constr_pattern option -> Tacexpr.glob_tactic_expr
-> hint_entry
val set_extern_interp :
(patvar_map -> Tacexpr.glob_tactic_expr -> tactic) -> unit
val set_extern_intern_tac :
(patvar list -> Tacexpr.raw_tactic_expr -> Tacexpr.glob_tactic_expr)
-> unit
val set_extern_subst_tactic :
(substitution -> Tacexpr.glob_tactic_expr -> Tacexpr.glob_tactic_expr)
-> unit
(** Create a Hint database from the pairs (name, constr).
Useful to take the current goal hypotheses as hints;
Boolean tells if lemmas with evars are allowed *)
val make_local_hint_db : bool -> constr list -> goal sigma -> hint_db
val priority : ('a * pri_auto_tactic) list -> ('a * pri_auto_tactic) list
val default_search_depth : int ref
val auto_unif_flags : Unification.unify_flags
(** Try unification with the precompiled clause, then use registered Apply *)
val unify_resolve_nodelta : (constr * clausenv) -> tactic
val unify_resolve : Unification.unify_flags -> (constr * clausenv) -> tactic
(** [ConclPattern concl pat tacast]:
if the term concl matches the pattern pat, (in sense of
[Pattern.somatches], then replace [?1] [?2] metavars in tacast by the
right values to build a tactic *)
val conclPattern : constr -> constr_pattern option -> Tacexpr.glob_tactic_expr -> tactic
(** The Auto tactic *)
val auto : int -> constr list -> hint_db_name list -> tactic
(** Auto with more delta. *)
val new_auto : int -> constr list -> hint_db_name list -> tactic
(** auto with default search depth and with the hint database "core" *)
val default_auto : tactic
(** auto with all hint databases except the "v62" compatibility database *)
val full_auto : int -> constr list -> tactic
(** auto with all hint databases except the "v62" compatibility database
and doing delta *)
val new_full_auto : int -> constr list -> tactic
(** auto with default search depth and with all hint databases
except the "v62" compatibility database *)
val default_full_auto : tactic
(** The generic form of auto (second arg [None] means all bases) *)
val gen_auto : int option -> constr list -> hint_db_name list option -> tactic
(** The hidden version of auto *)
val h_auto : int option -> constr list -> hint_db_name list option -> tactic
(** Trivial *)
val trivial : constr list -> hint_db_name list -> tactic
val gen_trivial : constr list -> hint_db_name list option -> tactic
val full_trivial : constr list -> tactic
val h_trivial : constr list -> hint_db_name list option -> tactic
val pr_autotactic : auto_tactic -> Pp.std_ppcmds
(** {6 The following is not yet up to date -- Papageno. } *)
(** DAuto *)
val dauto : int option * int option -> constr list -> tactic
val default_search_decomp : int ref
val default_dauto : tactic
val h_dauto : int option * int option -> constr list -> tactic
(** SuperAuto *)
type autoArguments =
| UsingTDB
| Destructing
(*
val superauto : int -> (identifier * constr) list -> autoArguments list -> tactic
*)
val h_superauto : int option -> reference list -> bool -> bool -> tactic
val auto_init : (unit -> unit) ref
|
