721     def optimize_node(self, e, macros=None):  argument
722         if macros is None:
723             macros = {}
728             if macros.has_key(name):
729                 if macros[name] == kCppUndefinedMacro:
733                         value = int(macros[name])
736                         return ("defined", macros[name])
745             if macros.has_key(name):
747                     value = int(macros[name])
750                     expanded = ("ident", macros[name])
751                 return self.optimize_node(expanded, macros)
756             v = self.optimize_node(v, macros)
766             l = self.optimize_node(l, macros)
767             r = self.optimize_node(r, macros)
784             l = self.optimize_node(l, macros)
785             r = self.optimize_node(r, macros)
803     def optimize(self, macros=None):  argument
804         if macros is None:
805             macros = {}
806         self.expr = self.optimize_node(self.expr, macros)
841     def get_expr_optimize(self, expr, macros=None):  argument
842         if macros is None:
843             macros = {}
845         e.optimize(macros)
1195     def optimizeMacros(self, macros):  argument
1199                 b.expr.optimize(macros)
1201     def optimizeAll(self, macros):  argument
1202         self.optimizeMacros(macros)
1252         macros = set()
1260                         macros.add(macro_name)
1262                         macros.add(macro_name[0:paren_index])
1306                           block.tokens[i-1].id in macros):
1755     def parse(self, text, macros=None):  argument
1759         blocks.optimizeAll(macros)
1910         macros = {"__KERNEL__": kCppUndefinedMacro}
1911         self.assertEqual(self.parse(text, macros), expected)
1924         macros = {"__KERNEL__": kCppUndefinedMacro}
1925         self.assertEqual(self.parse(text, macros), expected)