[swift-dev] PVS-Studio static analysis results for the Swift project

Ted Kremenek kremenek at apple.com
Tue Nov 15 00:27:21 CST 2016

Hi Brian,

I know you sent this out 7 days ago, but thanks very much for doing this!


> On Nov 7, 2016, at 1:56 PM, Brian Gesiak via swift-dev <swift-dev at swift.org> wrote:
> Hello all,
> The latest LLVM Weekly <http://llvmweekly.org/issue/149 <http://llvmweekly.org/issue/149>> featured a blog post by some folks who make a static analyzer named PVS-Studio. They published a blog post <http://www.viva64.com/en/b/0446/ <http://www.viva64.com/en/b/0446/>> of the errors they encountered in the LLVM project. Although the report contained many false positives <https://twitter.com/chandlerc1024/status/794442485472706563 <https://twitter.com/chandlerc1024/status/794442485472706563>>, some did lead to code improvements.
> I tried running the analyzer on the Swift codebase; here are the results: https://gist.github.com/modocache/00eb437ca3cac84960992cdc23fa0f52 <https://gist.github.com/modocache/00eb437ca3cac84960992cdc23fa0f52>
> It's a little hard to read, but there are some legitimate issues in the report. For example, line #709 in lib/IDE/TypeReconstruction.cpp returns 'false' for a method that has a return type of 'size_t', which is probably incorrect.
> If you're interested in contributing to Swift, why not start by fixing some of these warnings? :)
> - Brian Gesiak
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