Author: Squeaky <[email protected]>
Branch: simple-range-strategy
Changeset: r69671:8d005ad2deff
Date: 2014-03-03 21:02 +0100
http://bitbucket.org/pypy/pypy/changeset/8d005ad2deff/
Log: make range now uses SimpeRangeListStrategy
diff --git a/pypy/objspace/std/listobject.py b/pypy/objspace/std/listobject.py
--- a/pypy/objspace/std/listobject.py
+++ b/pypy/objspace/std/listobject.py
@@ -43,6 +43,9 @@
if length <= 0:
strategy = space.fromcache(EmptyListStrategy)
storage = strategy.erase(None)
+ elif start == 0 and step == 1 and length <= 2 ** 31 - 1:
+ strategy = space.fromcache(SimpleRangeListStrategy)
+ storage = strategy.erase(length)
else:
strategy = space.fromcache(RangeListStrategy)
storage = strategy.erase((start, step, length))
@@ -1084,6 +1087,7 @@
w_list.extend(w_any)
def reverse(self, w_list):
+ # XXX this could be specialized for SimpleRange to promote to Range
self.switch_to_integer_strategy(w_list)
w_list.reverse()
@@ -1129,9 +1133,9 @@
i = 0
while i < length:
if wrap_items:
- r[n] = self.wrap(i)
+ r[i] = self.wrap(i)
else:
- r[n] = i
+ r[i] = i
i += 1
return r
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