(************************************************************************)
(*  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        *)
(************************************************************************)

(*i $Id$ i*)

(*i*)
open Names
open Term
open Proof_type
open Tacmach
open Genarg
open Tacexpr
open Rawterm
open Evd
(*i*)

(* Tactics for the interpreter. They left a trace in the proof tree
   when they are called. *)

(* Basic tactics *)

val h_intro_move      : identifier option -> identifier option -> tactic
val h_intro           : identifier -> tactic
val h_intros_until    : quantified_hypothesis -> tactic

val h_assumption      : tactic
val h_exact           : constr -> tactic
val h_exact_no_check  : constr -> tactic
val h_vm_cast_no_check  : constr -> tactic

val h_apply           : evars_flag -> constr with_ebindings -> tactic

val h_elim            : constr with_ebindings ->
                        constr with_ebindings option -> tactic
val h_elim_type       : constr -> tactic
val h_case            : constr with_ebindings -> tactic
val h_case_type       : constr -> tactic

val h_mutual_fix      : identifier -> int ->
                        (identifier * int * constr) list -> tactic
val h_fix             : identifier option -> int -> tactic
val h_mutual_cofix    : identifier -> (identifier * constr) list -> tactic
val h_cofix           : identifier option -> tactic

val h_cut             : constr -> tactic 
val h_generalize      : constr list -> tactic 
val h_generalize_dep  : constr -> tactic 
val h_let_tac         : name -> constr -> Tacticals.clause -> tactic
val h_instantiate     : int -> Rawterm.rawconstr ->
  (identifier * hyp_location_flag, unit) location -> tactic

(* Derived basic tactics *)

val h_simple_induction   : quantified_hypothesis -> tactic
val h_simple_destruct    : quantified_hypothesis -> tactic
val h_new_induction   :
  constr induction_arg list -> constr with_ebindings option ->
  intro_pattern_expr -> tactic
val h_new_destruct    :
  constr induction_arg list -> constr with_ebindings option -> 
  intro_pattern_expr -> tactic
val h_specialize      : int option -> constr with_ebindings -> tactic
val h_lapply          : constr -> tactic

(* Automation tactic : see Auto *)


(* Context management *)
val h_clear           : bool -> identifier list -> tactic
val h_clear_body      : identifier list -> tactic
val h_move            : bool -> identifier -> identifier -> tactic
val h_rename          : (identifier*identifier) list -> tactic


(* Constructors *)
val h_constructor     : int -> open_constr bindings -> tactic
val h_left            : open_constr bindings -> tactic
val h_right           : open_constr bindings -> tactic
val h_split           : open_constr bindings -> tactic

val h_one_constructor : int -> tactic
val h_simplest_left   : tactic
val h_simplest_right  : tactic


(* Conversion *)
val h_reduce          : Redexpr.red_expr -> Tacticals.clause -> tactic
val h_change          :
  constr with_occurrences option -> constr -> Tacticals.clause -> tactic

(* Equivalence relations *)
val h_reflexivity     : tactic
val h_symmetry        : Tacticals.clause -> tactic
val h_transitivity    : constr -> tactic

val h_simplest_apply  : constr -> tactic 
val h_simplest_eapply : constr -> tactic 
val h_simplest_elim   : constr -> tactic
val h_simplest_case   : constr -> tactic

val h_intro_patterns  : intro_pattern_expr list -> tactic