[Webkit-unassigned] [Bug 64981] New: export JSContextGetBacktrace as SPI in JSContextRefPrivate.h

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=64981

           Summary: export JSContextGetBacktrace as SPI in
                    JSContextRefPrivate.h
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Enhancement
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: panage at apple.com


UIAutomation for iOS would like to support a Javascript backtrace in our error logs. Currently, the C API does not provide the tools to do this. However, the private API does expose the necessary functionality to get a backtrace (via Interpreter::retrieveLastCaller). We recognize this information may result in failure in the cases of programs run by 'veal', stack frames beneath host function call frames, and in programs run from other programs. Thus, we propose exporting our JSContextGetBacktrace in JSContextRefPrivate.h. This will provide us with the tools we need while not advertising an API that isn't really ready for full use.

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