[Python-Dev] Possible optimization for LOAD_FAST ?

[Cesare Di Mauro]

2010/12/31 Ethan Furman <ethan at stoneleaf.us>

> Cesare Di Mauro wrote:
>
> >
>
>> 2010/12/29 "Martin v. Löwis" wrote:
>>
> >>
>
>> Am 28.12.2010 18:08, schrieb Lukas Lueg:
>>>
>>>> Also, the load_fast in lne 22 to reference x could be taken out of the
>>>>
>>> >>> loop as x will always point to the same object....
>
>>
>>>  That's not true; a debugger may change the value of x.
>>>
>>
>> Another example. I can totally remove the variable i, just using the
>> stack, so a debugger (or, in general, having the tracing enabled) cannot
>> even find something to change about it.
>>
>
> -1
>
> Debugging is challenging enough as it is -- why would you want to make it
> even more difficult?
>
> ~Ethan~


With a good test suite you can forget debuggers.

In more than 6 years of Python programming, I have used it only two times
(to debug an ANTLR generated parser).

Cesare
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