From e391bd3d6ade488a26b30b7fc4d5826affb5cf99 Mon Sep 17 00:00:00 2001
From: Kathy Gray
Date: Fri, 24 Jul 2015 11:41:18 +0100
Subject: Begin doing better analysis on case splits over unknowns

---
 language/l2.lem     | 1 +
 language/l2_typ.ott | 1 +
 2 files changed, 2 insertions(+)

(limited to 'language')

diff --git a/language/l2.lem b/language/l2.lem
index 36d64694..7ee69d5e 100644
--- a/language/l2.lem
+++ b/language/l2.lem
@@ -544,6 +544,7 @@ type tag =  (* Data indicating where the identifier arises and thus information
  | Tag_spec
  | Tag_enum of integer
  | Tag_alias
+ | Tag_unknown (* Tag to distinguish an unknown path from a non-analysis non deterministic path *)
 
 
 type tinf =  (* Type variables, type, and constraints, bound to an identifier *)
diff --git a/language/l2_typ.ott b/language/l2_typ.ott
index 3dec6812..54c41c4e 100644
--- a/language/l2_typ.ott
+++ b/language/l2_typ.ott
@@ -77,6 +77,7 @@ tag :: 'Tag_' ::=
    | Spec				  :: :: spec
    | Enum num				  :: :: enum
    | Alias				  :: :: alias
+   | Unknown_path			  :: :: unknown {{ com Tag to distinguish an unknown path from a non-analysis non deterministic path}}
 
 ne :: 'Ne_' ::=
  {{ com internal numeric expressions }}
-- 
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