From c3a318f14e14b1c217f7fbe145e83889ced985ea Mon Sep 17 00:00:00 2001
From: Maciej Suminski <maciej.suminski@cern.ch>
Date: Fri, 7 Nov 2014 15:31:56 +0100
Subject: [PATCH] ivl: Casting vectors to strings.

---
 elab_expr.cc | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/elab_expr.cc b/elab_expr.cc
index b2f812830..fb07e07da 100644
--- a/elab_expr.cc
+++ b/elab_expr.cc
@@ -2494,6 +2494,19 @@ NetExpr* PECastType::elaborate_expr(Design*des, NetScope*scope,
           }
       }
 
+      else if(dynamic_cast<const string_type_t*>(target_)) {
+          if(base_->expr_type() == IVL_VT_STRING)
+            return expr;        // no conversion
+
+          if((base_->expr_type() != IVL_VT_BOOL) &&
+                (base_->expr_type() != IVL_VT_LOGIC)) {
+              cerr << get_fileline() << ": cannot be casted to string." << endl;
+              ivl_assert(*this, false);
+          }
+
+          return expr;
+      }
+
       cerr << get_fileline() << ": sorry: I don't know how to cast expression." << endl;
       ivl_assert(*this, false);