gras: another var for id string - ez to change later

2 files changed, 3 insertions, 1 deletions

diff --git a/lib/element.cpp b/lib/element.cpp
index 27a5db0..faefee9 100644
--- a/lib/element.cpp
+++ b/lib/element.cpp
@@ -19,6 +19,7 @@ Element::Element(const std::string &name)
     this->reset(new ElementImpl());
     (*this)->name = name;
     (*this)->unique_id = ++unique_id_pool;
+    (*this)->id = str(boost::format("%s(%d)") % this->name() % this->unique_id());
 
     if (GENESIS) std::cerr << "New element: " << to_string() << std::endl;
 
@@ -57,7 +58,7 @@ std::string Element::name(void) const
 
 std::string Element::to_string(void) const
 {
-    return str(boost::format("%s(%d)") % this->name() % this->unique_id());
+    return (*this)->id;
 }
 
 void Element::set_output_signature(const IOSignature &sig)
diff --git a/lib/element_impl.hpp b/lib/element_impl.hpp
index 5c2d998..4fb025e 100644
--- a/lib/element_impl.hpp
+++ b/lib/element_impl.hpp
@@ -26,6 +26,7 @@ struct ElementImpl
     //common element properties
     std::string name;
     long unique_id;
+    std::string id;
     IOSignature input_signature;
     IOSignature output_signature;