Imported Upstream version 8.0pl1upstream/8.0pl1

1 files changed, 46 insertions, 0 deletions

diff --git a/pretyping/coercion.mli b/pretyping/coercion.mli
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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: coercion.mli,v 1.20.14.2 2004/07/16 19:30:44 herbelin Exp $ i*)
+
+(*i*)
+open Util
+open Evd
+open Names
+open Term
+open Sign
+open Environ
+open Evarutil
+open Rawterm
+(*i*)
+
+(*s Coercions. *)
+
+(* [inh_app_fun env isevars j] coerces [j] to a function; i.e. it
+   inserts a coercion into [j], if needed, in such a way it gets as
+   type a product; it returns [j] if no coercion is applicable *)
+val inh_app_fun :
+  env -> evar_defs -> unsafe_judgment -> unsafe_judgment
+
+(* [inh_coerce_to_sort env isevars j] coerces [j] to a type; i.e. it
+   inserts a coercion into [j], if needed, in such a way it gets as
+   type a sort; it fails if no coercion is applicable *)
+val inh_coerce_to_sort :
+  env -> evar_defs -> unsafe_judgment -> unsafe_type_judgment
+
+(* [inh_conv_coerce_to loc env isevars j t] coerces [j] to an object of type 
+   [t]; i.e. it inserts a coercion into [j], if needed, in such a way [t] and
+   [j.uj_type] are convertible; it fails if no coercion is applicable *)
+val inh_conv_coerce_to : loc -> 
+  env -> evar_defs -> unsafe_judgment -> constr -> unsafe_judgment
+
+(* [inh_pattern_coerce_to loc env isevars pat ind1 ind2] coerces the Cases
+   pattern [pat] typed in [ind1] into a pattern typed in [ind2];
+   raises [Not_found] if no coercion found *)
+val inh_pattern_coerce_to :
+  loc  -> cases_pattern -> inductive -> inductive -> cases_pattern