Author: Vincent Legoll <vincent.leg...@idgrilles.fr>
Branch: fix-2211
Changeset: r81390:cdedb2bd7d06
Date: 2015-12-16 16:01 +0100
http://bitbucket.org/pypy/pypy/changeset/cdedb2bd7d06/
Log: Fix 2211 : cryptic exception message
At translation time, when attempting to use extended slicing in
rpython, Exception message was cryptic and not really helpful:
AttributeError: type object 'newslice' has no attribute
'get_specialization'
Now we have the following message, which points to the faulty line :
[translation:ERROR] AnnotatorError: [translation:ERROR]
[translation:ERROR] Cannot use extended slicing in rpython
[translation:ERROR] [translation:ERROR] [translation:ERROR] v483 =
newslice(v481, v482, step_0) [translation:ERROR] [translation:ERROR]
In <FunctionGraph of
(pypy.objspace.std.listobject:1457)FloatListStrategy.setslice at
0x1c3b0720>: [translation:ERROR] Happened at file
/home/vlegoll/repo/upstream/pypy-for-
upstream2/pypy/objspace/std/listobject.py line 1524
[translation:ERROR] [translation:ERROR] ==> items[start:start +
slicelength:step] = other_items
diff --git a/rpython/flowspace/operation.py b/rpython/flowspace/operation.py
--- a/rpython/flowspace/operation.py
+++ b/rpython/flowspace/operation.py
@@ -508,6 +508,14 @@
*[annotator.annotation(arg) for arg in self.args])
+class NewSlice(HLOperation):
+ opname = 'newslice'
+ canraise = [AnnotatorError]
+
+ def get_specialization(self, s_arg1, s_arg2, s_arg3):
+ raise AnnotatorError("Cannot use extended slicing in rpython")
+
+
class Pow(PureOperation):
opname = 'pow'
arity = 3
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