[cfe-dev] Check if inside a header file

[Nikola Smiljanic]

Eli's comment in the bug report gave me the impression that this needs
fixing... Is that the case or should we just close this bug?


On Sat, Jan 18, 2014 at 6:48 PM, Nikola Smiljanic <popizdeh at gmail.com>wrote:

> I was actually looking at this http://llvm.org/bugs/show_bug.cgi?id=16686but it seems that there's no way to fix this. I understand that compiler
> doesn't care, but I was hoping that this information was stored somewhere
> (at least based on file extension). Any other ideas?
>
>
> On Sat, Jan 18, 2014 at 12:49 PM, Jordan Rose <jordan_rose at apple.com>wrote:
>
>> Oh. Not if we infer that from .h or .hxx, because then a lot of existing
>> use cases will break. I guess that does call for a new predicate, then.
>>
>> On Jan 17, 2014, at 17:48, Richard Smith <metafoo at gmail.com> wrote:
>>
>> Perhaps isInMainFile should return false if the file type was specified
>> as -x c-header or -x c++-header?
>>
>> On Fri Jan 17 2014 at 5:42:22 PM, Jordan Rose <jordan_rose at apple.com>
>> wrote:
>>
>>> There's not actually any difference between a header file passed as a
>>> main file and a normal main file. C doesn't care that one has a .h and/or
>>> lives in your include/ folder and that the other has a .c and/or lives in
>>> src/ or lib/. I think you've just got to accept that.
>>>
>>> Jordan
>>>
>>>
>>> On Jan 17, 2014, at 16:50, Nikola Smiljanic <popizdeh at gmail.com> wrote:
>>>
>>> > Is there a way to know if I'm inside a header file in the Preprocessor
>>> class. I've only been able to find warn_using_directive_in_header that does
>>> a similar check, only to realize that it's not 100% correct. It uses
>>> SourceMgr.isInMainFile which is not right if you pass a header file
>>> directly, no warning is generated in that case.
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>>>
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>>
>>
>
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