Index: src/SynTree/BaseSyntaxNode.cc
===================================================================
--- src/SynTree/BaseSyntaxNode.cc	(revision 5a96b36dfd9c18a6b05535fee2a64ba4b8062330)
+++ src/SynTree/BaseSyntaxNode.cc	(revision 5a96b36dfd9c18a6b05535fee2a64ba4b8062330)
@@ -0,0 +1,31 @@
+//
+// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
+//
+// The contents of this file are covered under the licence agreement in the
+// file "LICENCE" distributed with Cforall.
+//
+// BaseSyntaxNode.cc --
+//
+// Author           : Andrew Beach
+// Created On       : Fri May 13 13:58:00 2022
+// Last Modified By : Andrew Beach
+// Last Modified On : Fri May 13 14:01:00 2022
+// Update Count     : 0
+//
+
+#include "BaseSyntaxNode.h"
+
+std::ostream & operator<<( std::ostream & out, const BaseSyntaxNode * node ) {
+    if ( node ) {
+        node->print( out );
+    } else {
+        out << "nullptr";
+    }
+    return out;
+}
+
+// Local Variables: //
+// tab-width: 4 //
+// mode: c++ //
+// compile-command: "make install" //
+// End: //
Index: src/SynTree/module.mk
===================================================================
--- src/SynTree/module.mk	(revision 374cb11784dccbf21002ae7aee894790d8f79d65)
+++ src/SynTree/module.mk	(revision 5a96b36dfd9c18a6b05535fee2a64ba4b8062330)
@@ -24,4 +24,5 @@
       SynTree/AttrType.cc \
       SynTree/BaseSyntaxNode.h \
+      SynTree/BaseSyntaxNode.cc \
       SynTree/BasicType.cc \
       SynTree/CommaExpr.cc \