From 3d47e1943547780aed2f86736bfaef31c6431ce0 Mon Sep 17 00:00:00 2001
From: Son Ho
Date: Mon, 22 Nov 2021 10:33:17 +0100
Subject: Implement abs_to_string

---
 src/Print.ml  | 13 +++++++++++++
 src/Values.ml |  5 +++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/Print.ml b/src/Print.ml
index 1555afc4..0240a307 100644
--- a/src/Print.ml
+++ b/src/Print.ml
@@ -379,4 +379,17 @@ module Values = struct
         ^ ")"
     | AProjBorrows (sv, rty) ->
         "proj_borrows (" ^ symbolic_value_proj_to_string fmt sv rty ^ ")"
+
+  let abs_to_string (fmt : value_formatter) (abs : abs) : string =
+    let avs =
+      List.map (fun av -> "  " ^ typed_avalue_to_string fmt av) abs.avalues
+    in
+    let avs = String.concat ",\n" avs in
+    "abs@"
+    ^ AbstractionId.to_string abs.abs_id
+    ^ "{parents="
+    ^ AbstractionId.set_to_string abs.parents
+    ^ "}" ^ "{regions="
+    ^ RegionId.set_to_string abs.regions
+    ^ "}" ^ " {\n" ^ avs ^ "\n}"
 end
diff --git a/src/Values.ml b/src/Values.ml
index d63ace85..90267ce1 100644
--- a/src/Values.ml
+++ b/src/Values.ml
@@ -171,12 +171,13 @@ and aproj =
 and typed_avalue = { avalue : avalue; aty : rty }
 
 type abs = {
-  parents : AbstractionId.Set.t;  (** The parent abstraction *)
+  abs_id : AbstractionId.id;
+  parents : AbstractionId.Set.t;  (** The parent abstractions *)
   acc_regions : RegionId.Set.t;
       (** Union of the regions owned by the (transitive) parent abstractions and
           by the current abstraction *)
   regions : RegionId.Set.t;  (** Regions owned by this abstraction *)
-  values : typed_avalue list;  (** The values in this abstraction *)
+  avalues : typed_avalue list;  (** The values in this abstraction *)
 }
 (** Abstractions model the parts in the borrow graph where the borrowing relations
     have been abstracted because of a function call.
-- 
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