Add enum class support to json_schema_compiler (idl files)

tools/json_schema_compiler/cc_generator.py

Index: tools/json_schema_compiler/cc_generator.py
diff --git a/tools/json_schema_compiler/cc_generator.py b/tools/json_schema_compiler/cc_generator.py
index 267d9fe8f106a4368a726cd1432e3cb2e10344fe..7e0ddc94828415b69cfb40caf91a634afdc01590 100644
--- a/tools/json_schema_compiler/cc_generator.py
+++ b/tools/json_schema_compiler/cc_generator.py
@@ -162,7 +162,7 @@ class _Generator(object):
                             else '')
         items.append('%s(%s%s)' % (prop.unix_name,
                                    namespace_prefix,
-                                   self._type_helper.GetEnumNoneValue(t)))
+                                   self._type_helper.GetEnumNoneValue(real_t)))
       elif prop.optional:
         continue
       elif t.property_type == PropertyType.INTEGER:
@@ -387,7 +387,7 @@ class _Generator(object):
         (c.Append('} else {')
           .Append('%%(dst)s->%%(name)s = %s%s;' %
              (namespace_prefix,
-              self._type_helper.GetEnumNoneValue(prop.type_))))
+              self._type_helper.GetEnumNoneValue(underlying_type))))
       c.Eblock('}')
     else:
       (c.Sblock(
@@ -462,7 +462,7 @@ class _Generator(object):
           c.Sblock('if (%s != %s%s) {' %
               (prop_var,
                maybe_namespace,
-               self._type_helper.GetEnumNoneValue(prop.type_)))
+               self._type_helper.GetEnumNoneValue(underlying_type)))
         else:
           c.Sblock('if (%s.get()) {' % prop_var)
 
@@ -1128,7 +1128,7 @@ class _Generator(object):
         dst,
         prop.unix_name,
         namespace_prefix,
-        self._type_helper.GetEnumNoneValue(prop.type_)))
+        self._type_helper.GetEnumNoneValue(underlying_type)))
     return c
 
   def _GenerateError(self, body):