Support JS$ prefix for dart and fix bug where _operator_getter and the [] operator were used incons…

tools/dom/scripts/generator.py

 #!/usr/bin/python
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """This module provides shared functionality for systems to generate
 Dart APIs from the IDL database."""
 
 import copy
 import json
@@ skipping 528 matching lines @@
         #
         #    - known IDL type
         #    - type_id is None then it's probably a union type or overloaded
         #      it's a dynamic/any type
         #    - type is Object
         #
         # JsObject maybe stored in the Dart class.
         if (wrap_unwrap_type_blink(type_id, type_registry)):
           type_is_callback = self.isCallback(type_registry, type_id)
           if (dart_js_interop and type_id == 'EventListener' and
-              (self.name == 'addEventListener')):
+              self.name in ['addEventListener', 'removeEventListener']):
               # Events fired need use a JsFunction not a anonymous closure to
               # insure the event can really be removed.
-              parameters.append('wrap_event_listener(this, %s)' % p.name)
-          elif (dart_js_interop and type_id == 'EventListener' and
-              (self.name == 'removeEventListener')):
-              # Find the JsFunction that corresponds to this Dart function.
-              parameters.append('_knownListeners[this.hashCode][identityHashCode(%s)]' % p.name)
+              parameters.append('unwrap_jso(js.allowInterop(%s))' % p.name)
           elif dart_js_interop and type_id == 'FontFaceSetForEachCallback':
               # forEach is supported in the DOM for FontFaceSet as it iterates
               # over the Javascript Object the callback parameters are also
               # Javascript objects and must be wrapped.
               parameters.append('unwrap_jso((fontFace, fontFaceAgain, set) => %s(wrap_jso(fontFace), wrap_jso(fontFaceAgain), wrap_jso(set)))' % p.name)
           elif dart_js_interop and type_id == 'HeadersForEachCallback':
               # forEach is supported in the DOM for Headers as it iterates
               # over the Javascript Object the callback parameters are also
               # Javascript objects and must be wrapped.
               parameters.append('unwrap_jso((String value, String key, map) => %s(value, key, wrap_jso(map)))' % p.name)
@@ skipping 899 matching lines @@
             return_type == 'Rectangle')
 
 def wrap_return_type_blink(return_type, type_name, type_registry):
     """Returns True if we should wrap the returned value. This checks
     a number of different variations, calling the more basic functions
     above."""
     return (wrap_unwrap_type_blink(return_type, type_registry) or
             wrap_unwrap_type_blink(type_name, type_registry) or
             wrap_type_blink(return_type, type_registry) or
             wrap_unwrap_list_blink(return_type, type_registry))