[clangd] improve help message for limit-results

[• umanwizard]

Summary

Make it clear that the default is 100.

[• umanwizard]

Ping.

[kadircet]

LGTM, thanks!

[• umanwizard]

@kadircet what are the next steps? This is my first diff in llvm. I'm not a project member so presumably someone else will have to land it for me.

[kadircet]

I can land it for you, you can learn more about commit access from https://llvm.org/docs/DeveloperPolicy.html#obtaining-commit-access

clang-tools-extra/trunk/clangd/tool/ClangdMain.cpp

static llvm::cl::opt<PCHStorageFlag> PCHStorage(
     llvm::cl::values(
         clEnumValN(PCHStorageFlag::Disk, "disk", "store PCHs on disk"),
         clEnumValN(PCHStorageFlag::Memory, "memory", "store PCHs in memory")),
     llvm::cl::init(PCHStorageFlag::Disk));
 
 static llvm::cl::opt<int> LimitResults(
     "limit-results",
     llvm::cl::desc("Limit the number of results returned by clangd. "
-                   "0 means no limit."),
+                   "0 means no limit. (default=100)"),
     llvm::cl::init(100));
 
 static llvm::cl::opt<bool> RunSynchronously(
     "run-synchronously",
     llvm::cl::desc("Parse on main thread. If set, -j is ignored"),
     llvm::cl::init(false), llvm::cl::Hidden);
 
 static llvm::cl::opt<Path>