Fix output of debug symbols

interface/HUTN/hutn_compiler/primitives_visitor.py

@@ -11,7 +11,7 @@ class PrimitivesVisitor(Visitor):
 
     def debug(self, node, tree, msg=""):
         if self.debug_symbols:
-            self.dict(node, "__debug", self.value("[%s] %s" % (tree.get_reference_line(), msg)))
+            self.dict(node, "__debug", self.value('"[%s] %s"' % (tree.get_reference_line(), msg)))
 
     def node(self):
         self.output.append(("N", self.free_id))