From 8a71afd27620a5d6c507b115d6fd408d879544c5 Mon Sep 17 00:00:00 2001
From: letouzey
Date: Tue, 29 May 2012 11:08:53 +0000
Subject: Pattern as a mli-only file, operations in Patternops

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15376 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 pretyping/patternops.mli | 57 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 pretyping/patternops.mli

(limited to 'pretyping/patternops.mli')

diff --git a/pretyping/patternops.mli b/pretyping/patternops.mli
new file mode 100644
index 0000000000..74e5a81ae4
--- /dev/null
+++ b/pretyping/patternops.mli
@@ -0,0 +1,57 @@
+(************************************************************************)
+(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
+(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010     *)
+(*   \VV/  **************************************************************)
+(*    //   *      This file is distributed under the terms of the       *)
+(*         *       GNU Lesser General Public License Version 2.1        *)
+(************************************************************************)
+
+open Pp
+open Names
+open Sign
+open Term
+open Environ
+open Libnames
+open Nametab
+open Glob_term
+open Mod_subst
+open Misctypes
+open Pattern
+
+(** {5 Functions on patterns} *)
+
+val occur_meta_pattern : constr_pattern -> bool
+
+val subst_pattern : substitution -> constr_pattern -> constr_pattern
+
+exception BoundPattern
+
+(** [head_pattern_bound t] extracts the head variable/constant of the
+   type [t] or raises [BoundPattern] (even if a sort); it raises an anomaly
+   if [t] is an abstraction *)
+
+val head_pattern_bound : constr_pattern -> global_reference
+
+(** [head_of_constr_reference c] assumes [r] denotes a reference and
+   returns its label; raises an anomaly otherwise *)
+
+val head_of_constr_reference : Term.constr -> global_reference
+
+(** [pattern_of_constr c] translates a term [c] with metavariables into
+   a pattern; currently, no destructor (Cases, Fix, Cofix) and no
+   existential variable are allowed in [c] *)
+
+val pattern_of_constr : Evd.evar_map -> constr -> named_context * constr_pattern
+
+(** [pattern_of_glob_constr l c] translates a term [c] with metavariables into
+   a pattern; variables bound in [l] are replaced by the pattern to which they
+    are bound *)
+
+val pattern_of_glob_constr : glob_constr ->
+      patvar list * constr_pattern
+
+val instantiate_pattern :
+  Evd.evar_map -> (identifier * (identifier list * constr)) list ->
+  constr_pattern -> constr_pattern
+
+val lift_pattern : int -> constr_pattern -> constr_pattern
-- 
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