IDL parser: align with current Web IDL specification

tools/idl_parser/idl_lexer.py

 #!/usr/bin/env python
 # Copyright (c) 2013 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.
 
 """ Lexer for PPAPI IDL
 
 The lexer uses the PLY library to build a tokenizer which understands both
 WebIDL and Pepper tokens.
 
@@ skipping 49 matching lines @@
   ]
 
   # 'keywords' is a map of string to token type.  All tokens matching
   # KEYWORD_OR_SYMBOL are matched against keywords dictionary, to determine
   # if the token is actually a keyword.
   keywords = {
     'any' : 'ANY',
     'attribute' : 'ATTRIBUTE',
     'boolean' : 'BOOLEAN',
     'byte' : 'BYTE',
+    'ByteString' : 'BYTESTRING',
     'callback' : 'CALLBACK',
     'const' : 'CONST',
     'creator' : 'CREATOR',
     'Date' : 'DATE',
     'deleter' : 'DELETER',
     'dictionary' : 'DICTIONARY',
     'DOMString' : 'DOMSTRING',
     'double' : 'DOUBLE',
     'enum'  : 'ENUM',
     'false' : 'FALSE',
     'float' : 'FLOAT',
     'exception' : 'EXCEPTION',
     'getter': 'GETTER',
     'implements' : 'IMPLEMENTS',
     'Infinity' : 'INFINITY',
     'inherit' : 'INHERIT',
     'interface' : 'INTERFACE',
+    #'iterator': 'ITERATOR',

[noelallen1, 2014/06/12 19:33:36]

Did you mean to leave this in?

[Jens Widell, 2014/06/13 06:19:12]

Not really. Same here as with the commented out productions; I first added
everything in the spec, then removed what I didn't implement, and then removed
more things until PLY stopped warning about unused/unreachable things.

     'legacycaller' : 'LEGACYCALLER',
     'long' : 'LONG',
     'Nan' : 'NAN',
     'null' : 'NULL',
     'object' : 'OBJECT',
     'octet' : 'OCTET',
     'optional' : 'OPTIONAL',
     'or' : 'OR',
     'partial'  : 'PARTIAL',
     'readonly' : 'READONLY',
+    'RegExp' : 'REGEXP',
     'sequence' : 'SEQUENCE',
+    'serializer' : 'SERIALIZER',
     'setter': 'SETTER',
     'short' : 'SHORT',
     'static' : 'STATIC',
     'stringifier' : 'STRINGIFIER',
     'typedef' : 'TYPEDEF',
     'true' : 'TRUE',
     'unsigned' : 'UNSIGNED',
     'unrestricted' : 'UNRESTRICTED',
     'void' : 'VOID'
   }
@@ skipping 168 matching lines @@
     self.tokens = []
     self._AddTokens(IDLLexer.tokens)
     self._AddKeywords(IDLLexer.keywords)
     self._lexobj = None
     self.last = None
     self.lines = None
 
 # If run by itself, attempt to build the lexer
 if __name__ == '__main__':
   lexer_object = IDLLexer()