Mojo: Mojom: Test the parser when there's no module declared.

mojo/public/tools/bindings/pylib/parse/mojo_lexer.py

 # Copyright 2014 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 re
 import sys
 import os.path
 
 # Try to load the ply module, if not, then assume it is in the third_party
 # directory.
@@ skipping 154 matching lines @@
   octal_or_hex_ordinal_disallowed = r'@((0[0-9]+)|('+hex_prefix+hex_digits+'))'
 
   ##
   ## Rules for the normal state
   ##
   t_ignore = ' \t\r'
 
   # Newlines
   def t_NEWLINE(self, t):
     r'\n+'
-    t.lexer.lineno += t.value.count("\n")
+    t.lexer.lineno += len(t.value)
 
   # Operators
   t_PLUS              = r'\+'
   t_MINUS             = r'-'
   t_TIMES             = r'\*'
   t_DIVIDE            = r'/'
   t_MOD               = r'%'
   t_OR                = r'\|'
   t_AND               = r'&'
   t_NOT               = r'~'
@@ skipping 93 matching lines @@
     return t
 
   # Ignore C and C++ style comments
   def t_COMMENT(self, t):
     r'(/\*(.|\n)*?\*/)|(//.*(\n[ \t]*//.*)*)'
     pass
 
   def t_error(self, t):
     msg = 'Illegal character %s' % repr(t.value[0])
     self._error(msg, t)