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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 *)
(************************************************************************)
(*i $Id: nametab.mli,v 1.43.2.1 2004/07/16 19:30:36 herbelin Exp $ i*)
(*i*)
open Util
open Pp
open Names
open Libnames
(*i*)
(*s This module contains the tables for globalization, which
associates internal object references to qualified names (qualid). *)
(* Most functions in this module fall into one of the following categories:
\begin{itemize}
\item [push : visibility -> full_user_name -> object_reference -> unit]
Registers the [object_reference] to be referred to by the
[full_user_name] (and its suffixes according to [visibility]).
[full_user_name] can either be a [section_path] or a [dir_path].
\item [exists : full_user_name -> bool]
Is the [full_user_name] already atributed as an absolute user name
of some object?
\item [locate : qualid -> object_reference]
Finds the object referred to by [qualid] or raises Not_found
\item [name_of] : object_reference -> user_name
The [user_name] can be for example the shortest non ambiguous [qualid] or
the [full_user_name] or [identifier]. Such a function can also have a
local context argument.
*)
exception GlobalizationError of qualid
exception GlobalizationConstantError of qualid
(* Raises a globalization error *)
val error_global_not_found_loc : loc -> qualid -> 'a
val error_global_not_found : qualid -> 'a
val error_global_constant_not_found_loc : loc -> qualid -> 'a
(*s Register visibility of things *)
(* The visibility can be registered either
\begin{itemize}
\item for all suffixes not shorter then a given int -- when the
object is loaded inside a module -- or
\item for a precise suffix, when the module containing (the module
containing ...) the object is opened (imported)
\end{itemize}
*)
type visibility = Until of int | Exactly of int
val push : visibility -> section_path -> global_reference -> unit
val push_syntactic_definition :
visibility -> section_path -> kernel_name -> unit
val push_modtype : visibility -> section_path -> kernel_name -> unit
val push_dir : visibility -> dir_path -> global_dir_reference -> unit
val push_object : visibility -> section_path -> unit
val push_tactic : visibility -> section_path -> kernel_name -> unit
(*s The following functions perform globalization of qualified names *)
(* This returns the section path of a constant or fails with [Not_found] *)
val locate : qualid -> global_reference
(* This function is used to transform a qualified identifier into a
global reference, with a nice error message in case of failure *)
val global : reference -> global_reference
(* The same for inductive types *)
val global_inductive : reference -> inductive
(* This locates also syntactic definitions *)
val extended_locate : qualid -> extended_global_reference
(* This locates all names with a given suffix, if qualid is valid as
such, it comes first in the list *)
val extended_locate_all : qualid -> extended_global_reference list
(* This locates all global references with a given suffixe *)
val locate_all : qualid -> global_reference list
val locate_obj : qualid -> section_path
val locate_constant : qualid -> constant
val locate_mind : qualid -> mutual_inductive
val locate_section : qualid -> dir_path
val locate_modtype : qualid -> kernel_name
val locate_syntactic_definition : qualid -> kernel_name
type ltac_constant = kernel_name
val locate_tactic : qualid -> ltac_constant
val locate_dir : qualid -> global_dir_reference
val locate_module : qualid -> module_path
(* A variant looking up a [section_path] *)
val absolute_reference : section_path -> global_reference
(*s These function tell if the given absolute name is already taken *)
val exists_cci : section_path -> bool
val exists_modtype : section_path -> bool
(* Those three functions are the same *)
val exists_dir : dir_path -> bool
val exists_section : dir_path -> bool (* deprecated *)
val exists_module : dir_path -> bool (* deprecated *)
(*s These functions turn qualids into full user names: [section_path]s
or [dir_path]s *)
val full_name_modtype : qualid -> section_path
val full_name_cci : qualid -> section_path
(* As above but checks that the path found is indeed a module *)
val full_name_module : qualid -> dir_path
(*s Reverse lookup -- finding user names corresponding to the given
internal name *)
val sp_of_syntactic_definition : kernel_name -> section_path
val shortest_qualid_of_global : Idset.t -> global_reference -> qualid
val shortest_qualid_of_syndef : kernel_name -> qualid
val shortest_qualid_of_tactic : ltac_constant -> qualid
val dir_of_mp : module_path -> dir_path
val sp_of_global : global_reference -> section_path
val id_of_global : global_reference -> identifier
(* Printing of global references using names as short as possible *)
val pr_global_env : Idset.t -> global_reference -> std_ppcmds
(* The [shortest_qualid] functions given an object with user_name
Coq.A.B.x, try to find the shortest among x, B.x, A.B.x and
Coq.A.B.x that denotes the same object. *)
val shortest_qualid_of_module : module_path -> qualid
val shortest_qualid_of_modtype : kernel_name -> qualid
(*
type frozen
val freeze : unit -> frozen
val unfreeze : frozen -> unit
*)
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