Hui added a comment.

In D56230#1361634 <https://reviews.llvm.org/D56230#1361634>, @labath wrote:

> In D56230#1358356 <https://reviews.llvm.org/D56230#1358356>, @zturner wrote:
>
> > I've always disliked this argument and hoped that someday someone would 
> > remove it entirely.  My recollection (which may be wrong) is that the only 
> > actual use of it is so that if someone types a command, and we later need 
> > to print the command back, we will print it with the same quote char.  It 
> > almost seems like we could just delete the argument and use a standardized 
> > quote char when flattening a command string.
>
>
> +100
>
> BTW, today I've tried to switch ProcessLauncherWindows to 
> `flattenWindowsCommandLine` and this change alone was enough to fix 
> `TestQuoting`, which has some tests XFAILed for windows due to quoting 
> problems. I haven't sent out a patch yet because that has also broken 
> `platform shell dir c:\` for some reason, and I haven't gotten around to 
> investigating that.  If you (for any value of you) have some time, I'd 
> encourage you to look into that. Otherwise, I'll get to that eventually.


Yes. I myself added a patch to test quoting also launch gdbserver by 
lldb-server.exe. Ran well so far. Also lldb/unittests/Utility tests.

Haven't tried other regression tests yet.

+#if defined(_WIN32)
+TEST(ArgsTest, GetFlattenWindowsCommandString) {
+  Args args;
+  args.AppendArgument("D:\\launcher.exe");
+  args.AppendArgument("--log=abc def");
+
+  std::string stdstr;
+  ASSERT_TRUE(args.GetFlattenWindowsCommandString(stdstr));
+  EXPECT_EQ(stdstr, "\"D:\\launcher.exe\" \"--log=abc def\"");
+}
+#endif


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D56230/new/

https://reviews.llvm.org/D56230



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