From 9128eb67b98f3a99a4181727f21e19a317091d0f Mon Sep 17 00:00:00 2001
From: Maciej Suminski <maciej.suminski@cern.ch>
Date: Mon, 2 Mar 2015 14:09:30 +0100
Subject: [PATCH] vhdlpp: Evaluates attributes if possible.

---
 vhdlpp/expression_emit.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/vhdlpp/expression_emit.cc b/vhdlpp/expression_emit.cc
index 49f60446f..61f241490 100644
--- a/vhdlpp/expression_emit.cc
+++ b/vhdlpp/expression_emit.cc
@@ -307,6 +307,13 @@ int ExpAttribute::emit(ostream&out, Entity*ent, ScopeBase*scope)
 {
       int errors = 0;
 
+	// Try to evaluate first
+      int64_t val;
+      if(evaluate(scope, val)) {
+            out << val;
+            return 0;
+      }
+
       if (name_ == "event") {
 	    out << "$ivlh_attribute_event(";
 	    errors += base_->emit(out, ent, scope);