Update our yasm copy to yasm 1.1.0 (Part 1: yasm side)...

third_party/yasm/patched-yasm/tools/python-yasm/pyxelator/genpyx.py

 #!/usr/bin/env python
 """ genpyx.py - parse c declarations
 
 (c) 2002, 2003, 2004, 2005 Simon Burton <simon@arrowtheory.com>
 Released under GNU LGPL license.
 
 version 0.xx
 
 This is a module of mixin classes for ir.py .
 
 Towards the end of ir.py our global class definitions
 are remapped to point to the class definitions in ir.py .
 So, for example, when we refer to Node we get ir.Node .
 
 """
 
 import sys
 from datetime import datetime
-from sets import Set
 
 # XX use this Context class instead of all those kw dicts !! XX
 class Context(object):
     " just a record (struct) "
     def __init__( self, **kw ):
         for key, value in kw.items():
             setattr( self, key, value )
     def __getattr__( self, name ):
         return None # ?
     def __getitem__( self, name ):
@@ skipping 492 matching lines @@
         return ostream.join()
 
 # XX warn when we find a python keyword XX
 python_kws = """
 break continue del def except exec finally pass print raise
 return try global assert lambda yield
 for while if elif else and in is not or import from """.split()
 python_kws = dict( zip( python_kws, (None,)*len(python_kws) ) )