Generate externs automatically from json/idl files.

tools/json_schema_compiler/model.py

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import os.path
 
 from json_parse import OrderedDict
 from memoize import memoize
 
 class ParseException(Exception):
@@ skipping 337 matching lines @@
     return type(other) == type(self) and other.name == self.name
 
   def __ne__(self, other):
     return not (self == other)
 
 class _PropertyTypeInfo(_Enum):
   def __init__(self, is_fundamental, name):
     _Enum.__init__(self, name)
     self.is_fundamental = is_fundamental
 
+  def __repr__(self):
+    return self.name
+
 class PropertyType(object):
   """Enum of different types of properties/parameters.
   """
   INTEGER = _PropertyTypeInfo(True, "integer")
   INT64 = _PropertyTypeInfo(True, "int64")
   DOUBLE = _PropertyTypeInfo(True, "double")
   BOOLEAN = _PropertyTypeInfo(True, "boolean")
   STRING = _PropertyTypeInfo(True, "string")
   ENUM = _PropertyTypeInfo(False, "enum")
   ARRAY = _PropertyTypeInfo(False, "array")
@@ skipping 100 matching lines @@
 def _GetPlatforms(json):
   if 'platforms' not in json:
     return None
   platforms = []
   for platform_name in json['platforms']:
     for platform_enum in _Enum.GetAll(Platforms):
       if platform_name == platform_enum.name:
         platforms.append(platform_enum)
         break
   return platforms