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(***********************************************************************)
(* *)
(* GALAX *)
(* XQuery Engine *)
(* *)
(* Copyright 2001-2007. *)
(* Distributed only by permission. *)
(* *)
(***********************************************************************)
(* $Id: tuple_context_manager.mli,v 1.5 2007/02/01 22:08:45 simeon Exp $ *)
(* Module: Tuple_context_manager
This module eals with variable context during runtime. It also
holds the build functions to access and store variables
*)
type tuple_context_manager
type tuple_ref = tuple_context_manager * int
val build_context_manager : unit -> tuple_context_manager
val instantiate_tuple_context_manager : tuple_context_manager -> unit
val string_of_tuple_ref : tuple_ref -> string
val build_tuple_enter_context : tuple_context_manager -> (unit -> unit)
val build_tuple_exit_context : tuple_context_manager -> (unit -> unit)
val build_tuple_store_code : tuple_ref -> (Physical_value.xml_value -> unit)
val build_tuple_retrieve_code : tuple_ref -> (unit -> Physical_value.xml_value)
val get_new_tuple_slot : tuple_context_manager -> tuple_ref
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