[api] Move reduction modules to `tactics`

These modules do actually belong there.

We have to slightly reorganize printers, removing a couple of
duplicated ones in the way.

1 files changed, 48 insertions, 0 deletions

diff --git a/tactics/redexpr.mli b/tactics/redexpr.mli
new file mode 100644
index 0000000000..1f65862701
--- /dev/null
+++ b/tactics/redexpr.mli
@@ -0,0 +1,48 @@
+(************************************************************************)
+(*         *   The Coq Proof Assistant / The Coq Development Team       *)
+(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
+(* <O___,, *       (see CREDITS file for the list of authors)           *)
+(*   \VV/  **************************************************************)
+(*    //   *    This file is distributed under the terms of the         *)
+(*         *     GNU Lesser General Public License Version 2.1          *)
+(*         *     (see LICENSE file for the text of the license)         *)
+(************************************************************************)
+
+(** Interpretation layer of redexprs such as hnf, cbv, etc. *)
+
+open Names
+open Constr
+open EConstr
+open Pattern
+open Genredexpr
+open Reductionops
+open Locus
+
+type red_expr =
+    (constr, evaluable_global_reference, constr_pattern) red_expr_gen
+
+val out_with_occurrences : 'a with_occurrences -> occurrences * 'a
+
+val reduction_of_red_expr :
+  Environ.env -> red_expr -> e_reduction_function * cast_kind
+
+(** [true] if we should use the vm to verify the reduction *)
+
+(** Adding a custom reduction (function to be use at the ML level)
+   NB: the effect is permanent. *)
+val declare_reduction : string -> reduction_function -> unit
+
+(** Adding a custom reduction (function to be called a vernac command).
+   The boolean flag is the locality. *)
+val declare_red_expr : bool -> string -> red_expr -> unit
+
+(** Opaque and Transparent commands. *)
+
+(** Sets the expansion strategy of a constant. When the boolean is
+   true, the effect is non-synchronous (i.e. it does not survive
+   section and module closure). *)
+val set_strategy :
+  bool -> (Conv_oracle.level * evaluable_global_reference list) list -> unit
+
+(** call by value normalisation function using the virtual machine *)
+val cbv_vm : reduction_function