WebKit IDL are getting closer to the standard, but...

lib/html/scripts/idlparser.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 re
 import subprocess
 import tempfile
 
 from pegparser import *
@@ skipping 72 matching lines @@
         # FremontCut:
         [MAYBE(_Annotations), MAYBE(ExtAttrs), 'module', Id,
          '{', _Definitions, '}', MAYBE(';')])
 
     def Interface():
       return syntax_switch(
         # Web IDL:
         [MAYBE(ExtAttrs), 'interface', Id, MAYBE(_ParentInterfaces),
          MAYBE(['{', MAYBE(MANY(_Member)), '}']), ';'],
         # WebKit:
-        [OR('interface', 'exception'), MAYBE(ExtAttrs), Id, MAYBE(_ParentInterfaces),
+        [MAYBE(ExtAttrs), OR('interface', 'exception'), MAYBE(ExtAttrs), Id, MAYBE(_ParentInterfaces),
          MAYBE(['{', MAYBE(MANY(_Member)), '}']), MAYBE(';')],
         # FremontCut:
         [MAYBE(_Annotations), MAYBE(ExtAttrs), 'interface',
          Id, MAYBE(_ParentInterfaces), MAYBE(['{', MAYBE(MANY(_Member)),
          '}']), ';'])
 
     def _Member():
       return syntax_switch(
         # Web IDL:
         OR(Const, Attribute, Operation, ExtAttrs),
@@ skipping 60 matching lines @@
     def _FloatLiteral():
       return re.compile(r'[0-9]+\.[0-9]*')
 
     # Attributes:
     def Attribute():
       return syntax_switch(
         # Web IDL:
         [MAYBE(ExtAttrs), MAYBE(Stringifier), MAYBE(ReadOnly),
          'attribute', Type, Id, MAYBE(_AttrRaises), ';'],
         # WebKit:
-        [MAYBE(Stringifier), MAYBE(Static), MAYBE(ReadOnly), 'attribute',
-         MAYBE(ExtAttrs), Type, Id, MAYBE(_AttrRaises), ';'],
+        [
+          MAYBE(Stringifier),
+          MAYBE(ExtAttrs), MAYBE(Static), MAYBE(ReadOnly), 'attribute', MAYBE(ExtAttrs),
+          Type, Id, MAYBE(_AttrRaises), ';'],
         # FremontCut:
         [MAYBE(_Annotations), MAYBE(ExtAttrs),
          MAYBE(_AttrGetterSetter), MAYBE(Stringifier), MAYBE(ReadOnly),
          'attribute', Type, Id, MAYBE(_AttrRaises), ';'])
 
     def _AttrRaises():
       return syntax_switch(
         # Web IDL:
         MANY(OR(GetRaises, SetRaises)),
         # WebKit:
@@ skipping 244 matching lines @@
     Args:
       content -- text to parse.
       defines -- an array of pre-processor defines.
       includePaths -- an array of path strings used by the
         gcc pre-processor.
     """
     if self._syntax == WEBKIT_SYNTAX:
       content = self._pre_process(content, defines, includePaths)
 
     return self._pegparser.parse(content)