(*
    ||M||  This file is part of HELM, an Hypertextual, Electronic        
    ||A||  Library of Mathematics, developed at the Computer Science     
    ||T||  Department, University of Bologna, Italy.                     
    ||I||                                                                
    ||T||  HELM is free software; you can redistribute it and/or         
    ||A||  modify it under the terms of the GNU General Public License   
    \   /  version 2 or (at your option) any later version.      
     \ /   This software is distributed as is, NO WARRANTY.     
      V_______________________________________________________________ *)

(* $Id: nCic.ml 9058 2008-10-13 17:42:30Z tassi $ *)


type lowtac_status = {
        pstatus : NCic.obj;
        lstatus : LexiconEngine.status
}

type lowtactic = lowtac_status * int -> lowtac_status * int list * int list

type tac_status = {
        gstatus : Continuationals.Stack.t; 
        istatus : lowtac_status;
} 

type tactic = tac_status -> tac_status

type tactic_term = CicNotationPt.term Disambiguate.disambiguator_input

val dot_tac: tactic
val branch_tac: tactic
val shift_tac: tactic
val pos_tac: int list -> tactic
val wildcard_tac: tactic
val merge_tac: tactic
val focus_tac: int list -> tactic
val unfocus_tac: tactic
val skip_tac: tactic

val distribute_tac: lowtactic -> tactic
val block_tac: tactic list -> tactic

val apply_tac: tactic_term -> tactic


val pp_tac_status: tac_status -> unit