On Aug 22, 2012, at 9:05 AM, Jordan Rose wrote:

> 
> On Aug 21, 2012, at 21:38 , Anna Zaks <[email protected]> wrote:
> 
>> 
>> On Aug 21, 2012, at 6:03 PM, Jordan Rose wrote:
>> 
>>> +ExprInspection checks
>>> +---------------------
>>> +
>> 
>> Below, it's unclear which function you are talking about (function name is 
>> not included).  Looks like this is copy and paste from the docs.. Are 
>> comments intended to be here?
>> 
>>> +// Prints TRUE if the argument is known to have a non-zero value,
>>> +//        FALSE if the argument is known to have a zero or null value, and
>>> +//        UNKNOWN if the argument isn't sufficiently constrained on this 
>>> path.
>>> +// You can use this to test other values by using expressions like "x == 
>>> 5".
>>> +// Note that this functionality is currently DISABLED in inlined functions,
>>> +// since different calls to the same inlined function could provide 
>>> different
>>> +// information, making it difficult to write proper -verify directives.
>>> +//
>>> +// In C, the argument can be typed as 'int' or as '_Bool'.
>>> +void clang_analyzer_eval(bool);
> 
> The function name is there, right at the bottom, in the form it should appear 
> in a C++ test file. :-)
> 
> Since I was documenting functions, I thought it would be appropriate to write 
> it in a header-ish style: docomuntation in the comments, followed by the 
> function decl. Clearly the function name got lost amid all of this and it was 
> a bad idea. I'll change it (and include an example.)
> 

I see. I think it would be better if you follow the documentation style 
everywhere. I was reading "ExprInspection checks Prints TRUE if the argument is 
known to have a non-zero value,... "

> (It's not copy-and-paste because there are no docs anywhere else.)
> 
> 
>>> +Statistics
>>> +==========
>>> +The debug.Stats checker collects various information about the analysis, 
>>> such as how many blocks were reached and if the analyzer timed out. There 
>>> is also an additional -analyzer-stats flag, which enables various 
>>> statistics within the analyzer engine.
>>> +
>>> +(FIXME: We should probably just have the debug.Stats checker enabled when 
>>> -analyzer-stats is passed. We can't do the other way around because by the 
>>> time checkers are enabled it's a bit too late to start a timer.)
>> 
>> I do not think it's a good idea. analyzer-stats is supposed to be a very 
>> light weight mechanism for collecting stats. We could even use it for 
>> performance measurement. We also do not want to perform extra analyzer work 
>> when it's enabled. For example, what if we want to collect stats on 
>> BugReporter internals? Stats checker is going to produce at least one 
>> warning per function, so it will be very different from the pure execution.
> 
> Ah, I see! I didn't think of this, thanks. I'll remove the FIXME.
> 

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