[PATCH][RFC] llvm-cov HTML generation
Harlan Haskins via llvm-commits
llvm-commits at lists.llvm.org
Fri Mar 4 10:46:58 PST 2016
Somehow the CSS include file didn’t make it into that diff.
— Harlan
> On Mar 3, 2016, at 5:02 PM, Harlan Haskins via llvm-commits <llvm-commits at lists.llvm.org> wrote:
>
> Hi all,
>
> Thanks again for the reviews!
>
> I’ve restructured how I handle subviews and pulled out the common behavior. I also addressed the issue with highlighting and showing macro expansions (and found a possible bug in clang because of it).
>
> Attached is a) a new patch, and b) an HTML file showing a single line multi-macro expansion.
>
> Thanks,
> Harlan Haskins
>
> <macro.c.html>
> <llvm-cov-html.diff>
>
>> On Mar 2, 2016, at 3:00 PM, Harlan Haskins via llvm-commits <llvm-commits at lists.llvm.org <mailto:llvm-commits at lists.llvm.org>> wrote:
>>
>> Oh, I see! Yeah, this seems like something I overlooked. The HTML view currently just shows two expansions, one after the other.
>>
>> I’ll revise the subview rendering with this in mind. Thanks for the simple example case!
>>
>> Best,
>> Harlan
>>
>>> On Mar 2, 2016, at 2:40 PM, Xinliang David Li via llvm-commits <llvm-commits at lists.llvm.org <mailto:llvm-commits at lists.llvm.org>> wrote:
>>>
>>>
>>>
>>> On Wed, Mar 2, 2016 at 1:41 PM, Harlan Haskins <hhaskins at apple.com <mailto:hhaskins at apple.com>> wrote:
>>> Hi David,
>>>
>>> Specifically with renderSubviews, in my refactor it seemed that their bodies were different enough (i.e. SourceCoverageViewConsole needs to track state between loop invocations to know whether or not to display a final view divider, and the common behavior is really just looping over the instantiation and expansion subviews. I can investigate converging them more, but I think it’s going to increase complexity.
>>>
>>> Emitting the final divider is easy to abstract away. The main difference I see is that in Console view, if there are multiple macro expansions in the same line, the line will be re-rendered again in order to highlight the macro. For instance given the following line with two macros,
>>>
>>> MY_MACRO(10, 10); MY_MACRO(20,10); // line 10
>>>
>>> The console dump will be two lines:
>>>
>>> 1| 10| MY_MACRO(10, 10); MY_MACRO(20,10); // line 10
>>> ^^^^^^^^^^^
>>> .... expansion lines
>>>
>>> MY_MACRO(10, 10); MY_MACRO(20,10); // line 10 ^^^^^^^^^^^^^
>>> .... expansion lines
>>>
>>>
>>> Does HTML view lose that functionality?
>>>
>>> Also the template instantiation subview rendering code looks sufficiently close between two classes.
>>>
>>> thanks,
>>>
>>> David
>>>
>>>
>>>
>>> Also, I definitely need to add a test case.
>>>
>>> Thanks!
>>> Harlan
>>>
>>>> On Mar 2, 2016, at 10:43 AM, Xinliang David Li <xinliangli at gmail.com <mailto:xinliangli at gmail.com>> wrote:
>>>>
>>>> Hi Harlan,
>>>>
>>>> This looks great! Some high level comments. I find the code can be further restructured
>>>> 1) high level methods can be commoned between two derived classes (and pushed to the base class) -- such as renderSubviews
>>>> 2) the subclasses just need to provide virtual functions that implement the view specific low level routines.
>>>>
>>>> Also there does not seem to be a test case.
>>>>
>>>> thanks,
>>>>
>>>> David
>>>>
>>>> On Tue, Mar 1, 2016 at 6:03 PM, Harlan Haskins via llvm-commits <llvm-commits at lists.llvm.org <mailto:llvm-commits at lists.llvm.org>> wrote:
>>>> Oops, forgot to add a file to the patch.
>>>>
>>>> New patch attached.
>>>>
>>>>
>>>>
>>>>
>>>>> On Mar 1, 2016, at 5:48 PM, Harlan Haskins via llvm-commits <llvm-commits at lists.llvm.org <mailto:llvm-commits at lists.llvm.org>> wrote:
>>>>>
>>>>> Hi all,
>>>>>
>>>>> I’ve got a preliminary implementation of HTML generation for llvm-cov’s coverage reports.
>>>>>
>>>>> The patch adds 2 flags to llvm-cov show:
>>>>> -format [html | console]
>>>>> -output-dir <dirname>
>>>>>
>>>>> Specifying -format=console will perform the current behavior (now the default), and -format=html will generate an HTML report.
>>>>> If -output-dir is specified, then the output is split into one html or txt file per source file, named <source-name>.<ext>, with a directory structure that mimics the file system structure.
>>>>>
>>>>> If neither are provided, the behavior remains the same.
>>>>>
>>>>> I’m hoping to add an index with a browsable list of files within their directories, but for now I’ve attached the patch and a sample HTML file (In this case, AliasAnalysis.h, as included by swiftc).
>>>>>
>>>>> Thanks,
>>>>> Harlan Haskins
>>>>>
>>>>> <AliasAnalysis.h.html>
>>>>> <llvm-cov-html.diff>
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