[llvm-dev] [CommandLine] Missing clEnumValEnd for cl::values in tutorial page

陳韋任 via llvm-dev llvm-dev at lists.llvm.org
Tue Jun 6 06:15:09 PDT 2017

Hi Bekket,

  I don't see any use case in the codebase adding clEnumValEnd at the end
of list (for example, [1]), I also don't see there is
clEnumValEnd. Do I miss something here?

[1] http://llvm.org/doxygen/DwarfDebug_8cpp_source.html


2017-06-06 9:53 GMT+08:00 Bekket McClane via llvm-dev <
llvm-dev at lists.llvm.org>:

> Hi,
> Can anyone help reviewing the code?
> I think this revision is pretty important regarding that the command line
> library is also used in many non-LLVM projects.
> It’s nice to provide a correct guideline to whom use the library for the
> first time.
> B.R
> McClane
> Bekket McClane <bekket.mcclane at gmail.com> 於 2017年6月3日 下午9:00 寫道:
> Hi,
> The argument list for cl::values in command line library should be end
> with null or clEnumValEnd. But the tutorial page(http://llvm.org/docs/
> CommandLine.html) doesn’t follow the rule, which would cause program
> crash during runtime.
> I’d send a code review: https://reviews.llvm.org/D33861
> Please cc other folks related to this part.
> Best Regards,
> Bekket McClane
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Wei-Ren Chen (陳韋任)
Homepage: https://people.cs.nctu.edu.tw/~chenwj
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