(*
    ||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 $ *)

val dot_tac: 's NTacStatus.tactic
val branch_tac: 's NTacStatus.tactic
val shift_tac: 's NTacStatus.tactic
val pos_tac: int list -> 's NTacStatus.tactic
val case_tac: string -> 's NTacStatus.tactic
val wildcard_tac: 's NTacStatus.tactic
val merge_tac: 's NTacStatus.tactic
val focus_tac: int list -> 's NTacStatus.tactic
val unfocus_tac: 's NTacStatus.tactic
val skip_tac: 's NTacStatus.tactic
val try_tac: 's NTacStatus.tactic -> 's NTacStatus.tactic
val repeat_tac: NTacStatus.tac_status NTacStatus.tactic -> 's NTacStatus.tactic

val compare_statuses : past:#NTacStatus.lowtac_status -> present:#NTacStatus.lowtac_status -> int list * int list

val distribute_tac:
 NTacStatus.lowtac_status NTacStatus.lowtactic -> 's NTacStatus.tactic
val exec : ((int * Continuationals.Stack.switch) list * 'a list * 'b list *
      [> `NoTag ])
     list NTacStatus.status NTacStatus.tactic -> 
  (#NTacStatus.lowtac_status as 's) -> Continuationals.goal -> 's
val block_tac: 's NTacStatus.tactic list -> 's NTacStatus.tactic

val apply_tac: NTacStatus.tactic_term -> 's NTacStatus.tactic
val assumption_tac: 's NTacStatus.tactic
val change_tac: 
   where:NTacStatus.tactic_pattern -> with_what:NTacStatus.tactic_term -> 
     's NTacStatus.tactic
val cut_tac: NTacStatus.tactic_term -> 's NTacStatus.tactic
val elim_tac: 
   what:NTacStatus.tactic_term -> where:NTacStatus.tactic_pattern -> 
     's NTacStatus.tactic
val intro_tac: string -> 's NTacStatus.tactic
val cases_tac: 
   what:NTacStatus.tactic_term -> where:NTacStatus.tactic_pattern -> 
     's NTacStatus.tactic
val case1_tac: string -> 's NTacStatus.tactic
val lapply_tac: NTacStatus.tactic_term -> 's NTacStatus.tactic
val rewrite_tac:
  dir:[ `LeftToRight | `RightToLeft ] ->
   what:NTacStatus.tactic_term -> where:NTacStatus.tactic_pattern -> 
    's NTacStatus.tactic
val generalize_tac : where:NTacStatus.tactic_pattern -> 's NTacStatus.tactic
val clear_tac : string list -> 's NTacStatus.tactic
val reduce_tac: 
      reduction:[ `Normalize of bool | `Whd of bool ] ->
      where:NTacStatus.tactic_pattern -> 's NTacStatus.tactic
val letin_tac: 
      where:NTacStatus.tactic_pattern ->
      what: NTacStatus.tactic_term ->
      string -> 's NTacStatus.tactic
val assert_tac:
 ((string * [`Decl of NTacStatus.tactic_term | `Def of NTacStatus.tactic_term * NTacStatus.tactic_term]) list * NTacStatus.tactic_term) list ->
  's NTacStatus.tactic

val constructor_tac : 
        ?num:int -> args:NTacStatus.tactic_term list -> 's NTacStatus.tactic

val atomic_tac :
    (((int * Continuationals.Stack.switch) list * 'a list * 'b list *
      [> `NoTag ])
     list NTacStatus.status ->
     (< auto_cache : NCicLibrary.automation_cache;
        coerc_db : NCicCoercion.db; dump : NCicLibrary.obj list;
        lstatus : LexiconEngine.lexicon_status; obj : NCic.obj;
        set_coerc_db : NCicCoercion.db -> 'c;
        set_coercion_status : 'd. (#NCicCoercion.g_status as 'd) -> 'c;
        set_uhint_db : NCicUnifHint.db -> 'c;
        set_unifhint_status : 'e. (#NCicUnifHint.g_status as 'e) -> 'c;
        timestamp : NCicLibrary.timestamp; uhint_db : NCicUnifHint.db; .. >
      as 'c)) ->
    (#NTacStatus.tac_status as 'f) -> 'f

type indtyinfo 

val ref_of_indtyinfo : indtyinfo -> NReference.reference

val analyze_indty_tac :
    what:NTacStatus.tactic_term ->
    indtyinfo option ref -> (#NTacStatus.tac_status as 'a) -> 'a


val find_in_context : 'a -> ('a * 'b) list -> int