Vitja Makarov, 15.01.2011 17:21:
> 2011/1/15 Stefan Behnel:
>> Vitja Makarov, 15.01.2011 15:02:
>>> Looking into pyregr test log, I found that this code crashes cython
>>> compiler:
>>>
>>> print('\uXX')
>>>
>>> Here is traceback:
>>>
>>> File "Cython/Compiler/Parsing.py", line 788, in p_string_literal
>>> chrval = int(systr[2:], 16)
>>> ValueError: invalid literal for int() with base 16: ''
>>
>> Hmm, right, the scanner notices that '\uXX' is not a valid Unicode escape
>> sequence and reads it as '\u' + 'XX'.
>>
>> Good catch, I'll fix it.
>>
>> http://trac.cython.org/cython_trac/ticket/647
The same applies to hex sequences, BTW.
> Please notice that '\u' is valid string but not unicode string,
I know, I've written (and rewritten) most of that code. ;-)
> so it's valid in py2 and not py3.
Nope, it's valid in byte strings but not in unicode strings. Py2/Py3 is not
an issue here. Invalid hex sequences should trigger an error in both cases.
Stefan
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