[cfe-dev] Idea for better invoking static analysis via command line

[David Blaikie via cfe-dev]

Another possible (not mutually exclusive) extension point to add static
analysis into would be through the Tooling interface and compilation
databases - this would allow just the analysis to be run, without making it
part of a build (no one would make static analysis part of an interactive
build, it's too slow, right? the only reason it was integrated into the
build with scan-build was because it was the best way to discover the build
commands - but the Tooling/Compilation Database system allows us to
separate build discovery from tool execution)

On Tue, Feb 2, 2016 at 6:19 AM, Craig, Ben via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

> I'm all for this idea.  There is precedent for this in other tools (Visual
> Studio's /analyze).  I think it also greatly reduces the need for build
> interposition via scan-build.
>
> I would ask that you think carefully about the output format of the
> detailed analysis for -enable-analyze-pass.  If people are using
> -enable-analyze-pass on most of their builds, then plist and html reports
> are likely to go unread for the most part.  Consider making "no detailed
> analysis" an option for -enable-analyze-pass to help with these use cases.
>
>
> On 1/29/2016 9:04 PM, <Alexander G. Riccio> via cfe-dev wrote:
>
> As mentioned by myself, Aaron Ballman, and Philip Reames, in a reply to
> "Proposal: Integrate static analysis test suites", the fact that static
> analysis generates a totally different set of warnings than compilation
> (not a superset), is surprising to some.
>
> One possibility, in order to preserve the current behavior for any tools
> that rely on this, is to add an option to clang, something like
> "-enable-analyze-pass" that the user can specify to run analysis AND
> compilation.
>
> Thoughts?
>
> Sincerely,
> Alexander Riccio
> --
> "Change the world or go home."
> about.me/ariccio
>
> <http://about.me/ariccio>
> If left to my own devices, I will build more.
> ⁂
>
>
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