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Diffstat (limited to 'interp/smartlocate.ml')
-rw-r--r-- | interp/smartlocate.ml | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/interp/smartlocate.ml b/interp/smartlocate.ml new file mode 100644 index 00000000..faad3c50 --- /dev/null +++ b/interp/smartlocate.ml @@ -0,0 +1,64 @@ +(************************************************************************) +(* 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 *) +(************************************************************************) + +(* Created by Hugo Herbelin from code formerly dispatched in + syntax_def.ml or tacinterp.ml, Sep 2009 *) + +(* This file provides high-level name globalization functions *) + +(* $Id:$ *) + +(* *) +open Pp +open Util +open Names +open Libnames +open Genarg +open Syntax_def +open Topconstr + +let global_of_extended_global = function + | TrueGlobal ref -> ref + | SynDef kn -> + match search_syntactic_definition kn with + | [],ARef ref -> ref + | _ -> raise Not_found + +let locate_global_with_alias (loc,qid) = + let ref = Nametab.locate_extended qid in + try global_of_extended_global ref + with Not_found -> + user_err_loc (loc,"",pr_qualid qid ++ + str " is bound to a notation that does not denote a reference.") + +let global_inductive_with_alias r = + let (loc,qid as lqid) = qualid_of_reference r in + try match locate_global_with_alias lqid with + | IndRef ind -> ind + | ref -> + user_err_loc (loc_of_reference r,"global_inductive", + pr_reference r ++ spc () ++ str "is not an inductive type.") + with Not_found -> Nametab.error_global_not_found_loc loc qid + +let global_with_alias r = + let (loc,qid as lqid) = qualid_of_reference r in + try locate_global_with_alias lqid + with Not_found -> Nametab.error_global_not_found_loc loc qid + +let smart_global = function + | AN r -> + global_with_alias r + | ByNotation (loc,ntn,sc) -> + Notation.interp_notation_as_global_reference loc (fun _ -> true) ntn sc + +let smart_global_inductive = function + | AN r -> + global_inductive_with_alias r + | ByNotation (loc,ntn,sc) -> + destIndRef + (Notation.interp_notation_as_global_reference loc isIndRef ntn sc) |