diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/python-win32-2.6.1/lib/lib2to3/fixes/fix_xrange.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/python-win32-2.6.1/lib/lib2to3/fixes/fix_xrange.py Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,59 @@ +# Copyright 2007 Google, Inc. All Rights Reserved. +# Licensed to PSF under a Contributor Agreement. + +"""Fixer that changes xrange(...) into range(...).""" + +# Local imports +from .. import fixer_base +from ..fixer_util import Name, Call, consuming_calls +from .. import patcomp + + +class FixXrange(fixer_base.BaseFix): + + PATTERN = """ + power< (name='range'|name='xrange') trailer< '(' [any] ')' > any* > + """ + + def transform(self, node, results): + name = results["name"] + if name.value == "xrange": + return self.transform_xrange(node, results) + elif name.value == "range": + return self.transform_range(node, results) + else: + raise ValueError(repr(name)) + + def transform_xrange(self, node, results): + name = results["name"] + name.replace(Name("range", prefix=name.get_prefix())) + + def transform_range(self, node, results): + if not self.in_special_context(node): + arg = node.clone() + arg.set_prefix("") + call = Call(Name("list"), [arg]) + call.set_prefix(node.get_prefix()) + return call + return node + + P1 = "power< func=NAME trailer< '(' node=any ')' > any* >" + p1 = patcomp.compile_pattern(P1) + + P2 = """for_stmt< 'for' any 'in' node=any ':' any* > + | comp_for< 'for' any 'in' node=any any* > + | comparison< any 'in' node=any any*> + """ + p2 = patcomp.compile_pattern(P2) + + def in_special_context(self, node): + if node.parent is None: + return False + results = {} + if (node.parent.parent is not None and + self.p1.match(node.parent.parent, results) and + results["node"] is node): + # list(d.keys()) -> list(d.keys()), etc. + return results["func"].value in consuming_calls + # for ... in d.iterkeys() -> for ... in d.keys(), etc. + return self.p2.match(node.parent, results) and results["node"] is node