New issue 2353: Confusing type error: AttributeError: RangeIteratorRepr
instance has no attribute ll_getnextindex
https://bitbucket.org/pypy/pypy/issues/2353/confusing-type-error-attributeerror
Sarah Mount:
The call to **enumerate** in the example interpreter below produces the
confusing error message also shown.
```
#!python
$ cat example.py
def entry_point(argv):
for x, y in enumerate(xrange(10)):
print x, y
return 0
def target(driver, args):
return entry_point, None
$ .../pypy/rpython/bin/rpython -Ojit example.py
...
[translation:info] Error:
File
"/home/snim2/Desktop/working/pypy/rpython/translator/goal/translate.py", line
317, in main
drv.proceed(goals)
File "/home/snim2/Desktop/working/pypy/rpython/translator/driver.py", line
551, in proceed
result = self._execute(goals, task_skip = self._maybe_skip())
File
"/home/snim2/Desktop/working/pypy/rpython/translator/tool/taskengine.py", line
114, in _execute
res = self._do(goal, taskcallable, *args, **kwds)
File "/home/snim2/Desktop/working/pypy/rpython/translator/driver.py", line
278, in _do
res = func()
File "/home/snim2/Desktop/working/pypy/rpython/translator/driver.py", line
345, in task_rtype_lltype
rtyper.specialize(dont_simplify_again=True)
File "/home/snim2/Desktop/working/pypy/rpython/rtyper/rtyper.py", line 188,
in specialize
self.specialize_more_blocks()
File "/home/snim2/Desktop/working/pypy/rpython/rtyper/rtyper.py", line 231,
in specialize_more_blocks
self.specialize_block(block)
File "/home/snim2/Desktop/working/pypy/rpython/rtyper/rtyper.py", line 316,
in specialize_block
hop.setup() # this is called from here to catch TyperErrors...
File "/home/snim2/Desktop/working/pypy/rpython/rtyper/rtyper.py", line 639,
in setup
self.r_result = rtyper.getrepr(self.s_result)
File "/home/snim2/Desktop/working/pypy/rpython/rtyper/rtyper.py", line 158,
in getrepr
result = s_obj.rtyper_makerepr(self)
File "/home/snim2/Desktop/working/pypy/rpython/rtyper/rmodel.py", line 282,
in rtyper_makerepr
return EnumerateIteratorRepr(r_baseiter)
File "/home/snim2/Desktop/working/pypy/rpython/rtyper/rrange.py", line 204,
in __init__
self.ll_getnextindex = r_baseiter.ll_getnextindex
File "/home/snim2/Desktop/working/pypy/rpython/rtyper/rmodel.py", line 107,
in __getattr__
self.__class__.__name__, name))
[translation:ERROR] AttributeError: RangeIteratorRepr instance has no attribute
ll_getnextindex
[translation] start debugger...
> /home/snim2/Desktop/working/pypy/rpython/rtyper/rmodel.py(107)__getattr__()
-> self.__class__.__name__, name))
```
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