[Webkit-unassigned] [Bug 57241] New: check-webkit-style: "using namespace foo; " should be flagged as an error in headers

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=57241

           Summary: check-webkit-style: "using namespace foo;" should be
                    flagged as an error in headers
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ddkilzer at webkit.org
                CC: levin at chromium.org


In Bug 57239, a "using namespace WebCore;" statement caused issues when compiling WebCore on iOS (even though the body of HTMLConverter.mm was commented out).  Such "using namespace" statements are very dangerous in headers, so check-webkit-style should flag them as an error.

I'm told that llvm (clang) may warn about "using namespace" statements in headers in the future, but since not all ports will be using llvm to compile WebKit, it would still be good to have this in check-webkit-style.

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