718     def optimize_node(self, e, macros=None):  argument
719         if macros is None:
720             macros = {}
725             if macros.has_key(name):
726                 if macros[name] == kCppUndefinedMacro:
730                         value = int(macros[name])
733                         return ("defined", macros[name])
742             if macros.has_key(name):
744                     value = int(macros[name])
747                     expanded = ("ident", macros[name])
748                 return self.optimize_node(expanded, macros)
753             v = self.optimize_node(v, macros)
763             l = self.optimize_node(l, macros)
764             r = self.optimize_node(r, macros)
781             l = self.optimize_node(l, macros)
782             r = self.optimize_node(r, macros)
800     def optimize(self, macros=None):  argument
801         if macros is None:
802             macros = {}
803         self.expr = self.optimize_node(self.expr, macros)
838     def get_expr_optimize(self, expr, macros=None):  argument
839         if macros is None:
840             macros = {}
842         e.optimize(macros)
1192     def optimizeMacros(self, macros):  argument
1196                 b.expr.optimize(macros)
1244     def optimizeAll(self, macros):  argument
1245         self.optimizeMacros(macros)
1295         macros = set()
1303                         macros.add(macro_name)
1305                         macros.add(macro_name[0:paren_index])
1349                           block.tokens[i-1].id in macros):
1798     def parse(self, text, macros=None):  argument
1801         blocks.optimizeAll(macros)
1952         macros = {"__KERNEL__": kCppUndefinedMacro}
1953         self.assertEqual(self.parse(text, macros), expected)
1966         macros = {"__KERNEL__": kCppUndefinedMacro}
1967         self.assertEqual(self.parse(text, macros), expected)