Parse function-style extended attributes part #1

client/dom/scripts/idlrenderer.py

Index: client/dom/scripts/idlrenderer.py
diff --git a/client/dom/scripts/idlrenderer.py b/client/dom/scripts/idlrenderer.py
index 2237736155ad60826a597340f1bb8c2026e9fbf1..0e95040db2a147cc434f0d5273420f4c498f270d 100755
--- a/client/dom/scripts/idlrenderer.py
+++ b/client/dom/scripts/idlrenderer.py
@@ -105,9 +105,20 @@ def render(idl_node, indent_str='  '):
           w(k)
           v = node[k]
           if v is not None:
-            w('=%s' % v.__str__())
+            if isinstance(v, IDLExtAttrFunctionValue):
+              if v.id:
+                w('=')
+              w(v)
+            else:
+              w('=%s' % v.__str__())
           i += 1
         w('] ')
+    elif isinstance(node, IDLExtAttrFunctionValue):
+      if node.id:
+        w(node.id)
+      w('(')
+      w(node.arguments, ', ')
+      w(')')
     elif isinstance(node, IDLAttribute):
       w(node.annotations)
       w(node.ext_attrs)