Chrome roll 202464->204370.

tools/dom/scripts/idlnode.py

 #!/usr/bin/python
 # Copyright (c) 2011, 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.
 
 import os
 import sys
 
 
 class IDLNode(object):
@@ skipping 464 matching lines @@
   def __init__(self, ast, doc_js_interface_name):
     IDLMember.__init__(self, ast, doc_js_interface_name)
     self.type = self._convert_first(ast, 'ReturnType', IDLType)
     self.arguments = self._convert_all(ast, 'Argument', IDLArgument)
     self.specials = self._find_all(ast, 'Special')
     self.is_stringifier = self._has(ast, 'Stringifier')
     # Special case: there are getters of the form
     # getter <ReturnType>(args).  For now force the name to be __getter__,
     # but it should be operator[] later.
     if self.id is None:
-      if len(self.specials) != 1:
+      if self.specials == ['getter']:
+        self.id = '__getter__'
+      elif self.specials == ['setter']:
+        self.id = '__setter__'
+        # Special case: if it's a setter, ignore 'declared' return type
+        self.type = IDLType([('VoidType', None)])
+      elif self.specials == ['deleter']:
+        self.id = '__delete__'
+      else:
         raise Exception('Cannot handle %s: operation has no id' % ast)
-      self.id = '__%s__' % self.specials[0]
+
   def _extra_repr(self):
     return [self.arguments]
 
 
 class IDLAttribute(IDLMember):
   """IDLNode specialization for 'attribute type name' declarations."""
   def __init__(self, ast, doc_js_interface_name):
     IDLMember.__init__(self, ast, doc_js_interface_name)
     self.is_read_only = self._has(ast, 'ReadOnly')
     # There are various ways to define exceptions for attributes:
@@ skipping 51 matching lines @@
   """IDLDictNode specialization for one annotation."""
   def __init__(self, ast=None):
     IDLDictNode.__init__(self, ast)
     self.id = None
     if not ast:
       return
     for arg in self._find_all(ast, 'AnnotationArg'):
       name = self._find_first(arg, 'Id')
       value = self._find_first(arg, 'AnnotationArgValue')
       self[name] = value