From ef89a760d67a40c5463b54623ad371311509f459 Mon Sep 17 00:00:00 2001
From: Nick Gasson <nick@nickg.me.uk>
Date: Tue, 1 Jul 2008 10:44:20 +0100
Subject: [PATCH] Add vhdl_element::print method for debugging

---
 tgt-vhdl/scope.cc        | 8 ++++++--
 tgt-vhdl/vhdl_element.cc | 6 ++++++
 tgt-vhdl/vhdl_element.hh | 1 +
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/tgt-vhdl/scope.cc b/tgt-vhdl/scope.cc
index 03b4e8fa7..c4b9b9eb8 100644
--- a/tgt-vhdl/scope.cc
+++ b/tgt-vhdl/scope.cc
@@ -64,8 +64,12 @@ static vhdl_expr *nexus_to_expr(vhdl_scope *arch_scope, ivl_nexus_t nexus)
 }
 
 vhdl_var_ref *nexus_to_var_ref(vhdl_scope *arch_scope, ivl_nexus_t nexus)
-{   
-   vhdl_var_ref *ref = dynamic_cast<vhdl_var_ref*>(nexus_to_expr(arch_scope, nexus));
+{
+   vhdl_expr *e = nexus_to_expr(arch_scope, nexus);
+
+   e->print();   
+   
+   vhdl_var_ref *ref = dynamic_cast<vhdl_var_ref*>(e);
    assert(ref);
    return ref;
 }
diff --git a/tgt-vhdl/vhdl_element.cc b/tgt-vhdl/vhdl_element.cc
index cdbd1fcff..e631319fc 100644
--- a/tgt-vhdl/vhdl_element.cc
+++ b/tgt-vhdl/vhdl_element.cc
@@ -72,3 +72,9 @@ void vhdl_element::emit_comment(std::ostream &of, int level,
          newline(of, level);
    }
 }
+
+void vhdl_element::print() const
+{
+   emit(std::cout, 0);
+   std::cout << std::endl;
+}
diff --git a/tgt-vhdl/vhdl_element.hh b/tgt-vhdl/vhdl_element.hh
index 4bd6b3c05..abccdfdb2 100644
--- a/tgt-vhdl/vhdl_element.hh
+++ b/tgt-vhdl/vhdl_element.hh
@@ -35,6 +35,7 @@ public:
    virtual ~vhdl_element() {}
    
    virtual void emit(std::ostream &of, int level=0) const = 0;
+   void print() const;
 
    void set_comment(std::string comment);
 protected: