[cfe-dev] #error and #warning: why include "#error/#warning" in the diagnostic?

Eric Christopher echristo at apple.com
Tue Jan 31 13:39:13 PST 2012

On Jan 31, 2012, at 12:35 PM, Ted Kremenek wrote:

> On Jan 31, 2012, at 12:29 PM, Dmitri Gribenko wrote:
>> On Tue, Jan 31, 2012 at 10:17 PM, Ted Kremenek <kremenek at apple.com> wrote:
>>> I received some feedback from some users who wondered why #error/#warning diagnostics include the actual "#error" in the diagnostic, e.g.:
>>> t.c:1:2: error: #error this is an error
>>> This seems redundant.  Is this necessary?
>> It marks explicitly diagnostics that come from source code (as opposed
>> to diagnostics coming from the compiler).
> That seems fine for text output, but for other clients (e.g., IDEs) we have diagnostic categories that could provide the same functionality with a much better experience.

True, no ideas how to do that though. Distinguishing between "compile error because the code is wrong" and "compile error because of a #error" is at least reasonably important I think.


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