Initial code generation for features.

tools/json_schema_compiler/cpp_util.py

Index: tools/json_schema_compiler/cpp_util.py
diff --git a/tools/json_schema_compiler/cpp_util.py b/tools/json_schema_compiler/cpp_util.py
index 2de42293fba9c4b444978f64292ced4153f986e5..1a347c71eb74f21b08f3f7f8b2a26cc832ce4d68 100644
--- a/tools/json_schema_compiler/cpp_util.py
+++ b/tools/json_schema_compiler/cpp_util.py
@@ -24,6 +24,10 @@ GENERATED_BUNDLE_FILE_MESSAGE = """// GENERATED FROM THE API DEFINITIONS IN
 //   %s
 // DO NOT EDIT.
 """
+GENERATED_FEATURE_MESSAGE = """// GENERATED FROM THE FEATURE DEFINITIONS IN
+//   %s
+// DO NOT EDIT.
+"""
 
 def Classname(s):
   """Translates a namespace name or function name into something more
@@ -111,3 +115,10 @@ def CloseNamespace(namespace):
   for component in reversed(namespace.split('::')):
     c.Append('}  // namespace %s' % component)
   return c
+
+def RemoveFeatureDuplicates(feature_list):
+  """Return a "set" of features where any feature with the same name is tossed.

[not at google - send to devlin, 2013/09/12 16:20:43]

this method returns a list not a set.

[dhnishi (use Chromium), 2013/09/13 17:36:42]

Done.

+  """
+  feature_set = set()
+  return [feature for feature in feature_list if feature.name not in
+          feature_set and not feature_set.add(feature.name)]