From 3162008b628174bd8bce70b336ce928e88ae07c6 Mon Sep 17 00:00:00 2001
From: Morgan Deters <mdeters@cs.nyu.edu>
Date: Fri, 8 Feb 2013 17:23:32 -0500
Subject: Fix user-values in SMT-LIB v1.2

---
 src/parser/smt1/Smt1.g | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/parser/smt1/Smt1.g b/src/parser/smt1/Smt1.g
index 0f76baace..e3c36cf91 100644
--- a/src/parser/smt1/Smt1.g
+++ b/src/parser/smt1/Smt1.g
@@ -783,7 +783,15 @@ FLET_IDENTIFIER
  */
 userValue[std::string& s]
   : USER_VALUE
-    { s = AntlrInput::tokenText($USER_VALUE); }
+    { s = AntlrInput::tokenText($USER_VALUE);
+      assert(*s.begin() == '{');
+      assert(*s.rbegin() == '}');
+      // trim whitespace
+      s.erase(s.begin(), s.begin() + 1);
+      s.erase(s.begin(), std::find_if(s.begin(), s.end(), std::not1(std::ptr_fun<int, int>(std::isspace))));
+      s.erase(s.end() - 1);
+      s.erase(std::find_if(s.rbegin(), s.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
+    }
   ;
 
 PATTERN_ANNOTATION_BEGIN
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