From 6b649aba925b6f7462da07599fe67ebb12a3460e Mon Sep 17 00:00:00 2001
From: Samuel Mimram <samuel.mimram@ens-lyon.org>
Date: Wed, 28 Jul 2004 21:54:47 +0000
Subject: Imported Upstream version 8.0pl1

---
 pretyping/cases.mli | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 pretyping/cases.mli

(limited to 'pretyping/cases.mli')

diff --git a/pretyping/cases.mli b/pretyping/cases.mli
new file mode 100644
index 00000000..1d2f9025
--- /dev/null
+++ b/pretyping/cases.mli
@@ -0,0 +1,56 @@
+(************************************************************************)
+(*  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: cases.mli,v 1.22.2.2 2004/07/16 19:30:43 herbelin Exp $ i*)
+
+(*i*)
+open Util
+open Names
+open Term
+open Evd
+open Environ
+open Inductiveops
+open Rawterm
+open Evarutil
+(*i*)
+
+type pattern_matching_error =
+  | BadPattern of constructor * constr
+  | BadConstructor of constructor * inductive
+  | WrongNumargConstructor of constructor * int
+  | WrongPredicateArity of constr * constr * constr
+  | NeedsInversion of constr * constr
+  | UnusedClause of cases_pattern list
+  | NonExhaustive of cases_pattern list
+  | CannotInferPredicate of (constr * types) array
+
+exception PatternMatchingError of env * pattern_matching_error
+
+(*s Used for old cases in pretyping *)
+
+val branch_scheme : 
+  env -> evar_defs -> bool -> inductive_family -> constr array
+
+type ml_case_error =
+  | MlCaseAbsurd
+  | MlCaseDependent
+
+exception NotInferable of ml_case_error
+
+val pred_case_ml : (* raises [NotInferable] if not inferable *)
+  env -> evar_map -> bool -> inductive_type -> int * types -> constr 
+
+(*s Compilation of pattern-matching. *)
+
+val compile_cases :
+  loc -> (type_constraint -> env -> rawconstr -> unsafe_judgment)
+  * evar_defs -> type_constraint -> env ->
+      (rawconstr option * rawconstr option ref) *
+      (rawconstr * (name * (loc * inductive * name list) option) ref) list *
+    (loc * identifier list * cases_pattern list * rawconstr) list ->
+    unsafe_judgment
-- 
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