"...some are actually quite cheap but other are very expensive to compute."

Is there any way to indicate/figure out which options are expensive?

I find many of the ones I have turned on useful from an information
standpoint, but some files take 25 seconds to parse which makes this
feature less useful from a usability standpoint.

---
Andy Maloney  //  https://asmaloney.com
twitter ~ @asmaloney <https://twitter.com/asmaloney>



On Tue, Jan 8, 2019 at 12:47 PM Marco Bubke <marco.bu...@qt.io> wrote:

> We collect the diagnostics as we compiling the translation unit for
> completion, highlighting etc.. But the compiling is slower because it takes
> time to find all the warnings, some are actually quite cheap but other are
> very expensive to compute. An other idea was only to generate diagnostics
> for the current files and not the include but AFAIK it is not so easy
> because our first approach to include everything as system include is not
> working because the files are locked again.
> ------------------------------
> *From:* Qt-creator <qt-creator-boun...@qt-project.org> on behalf of Jason
> H <jh...@gmx.com>
> *Sent:* Tuesday, January 8, 2019 4:48:28 PM
> *To:* Eike Ziller
> *Cc:* NIkolai Marchenko; qt-creator@qt-project.org
> *Subject:* Re: [Qt-creator] Qt creator + Clang model = major annoyance
>
> > > I too have noticed QtC's recent versions slowing down. I used to think
> it was a cool add, but it's starting to get in the way. OR it could be that
> my expectations have increased and I rely on it more whereas it as a
> nice-to-have. But the slowdowns remove the value added.
> >
> > Please definitely make sure that you use a configuration that does not
> include any clang-tidy checks (Options > C++ > Code Model). Any of these
> check should be considered “optional, only enable if they do not degrade
> performance for you”.
>
> So I'm using "Warnings for almost everything (Copy)" (CLANG: -Weverything
> -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-unused-macros
> -Wno-newline-eof -Wno-exit-time-destructors -Wno-global-constructors
> -Wno-gnu-zero-variadic-macro-arguments -Wno-documentation -Wno-shadow
> -Wno-switch-enum -Wno-missing-prototypes -Wno-used-but-marked-unused
> -Wno-unknown-pragmas; Clang-Tidy: Disable; Clazy: 0 (no false positives) )
> But I don't remember setting this up. I have disabled Clazy and will see
> how that goes.
>
> I have no clue how any of this works, but I'd like to suggest something
> (which may be completely wrong) It seems that an async approach would be
> the way to go. I don't really need clang-tidy or clazy blocking me. Rather,
> eventually the errors should be first, warnings, then hints. Maybe you get
> them all at the same time, but I was under the impression that with these
> being separate tools, their outputs could be integrated separately? So run
> the compiler first, then clang-tidy, then clazy.  Then having a "compile
> server" (language server?) where the server is always running to avoid the
> startup penalty, and QtC submits your diffs so that only new code is
> evaluated, would be the way to go? Maybe this is how it is already done, I
> don't know...
>
>
>
>
>
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