[PATCH] D48634: [clangd] Improve output of --help and --version. NFC.

[Sam McCall via Phabricator via cfe-commits]

sammccall created this revision.
sammccall added a reviewer: ilya-biryukov.
Herald added subscribers: cfe-commits, jkorous, MaskRay, ioeric.

Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D48634

Files:
  clangd/tool/ClangdMain.cpp


Index: clangd/tool/ClangdMain.cpp
===================================================================
--- clangd/tool/ClangdMain.cpp
+++ clangd/tool/ClangdMain.cpp
@@ -18,6 +18,7 @@
 #include "llvm/Support/Program.h"
 #include "llvm/Support/Signals.h"
 #include "llvm/Support/raw_ostream.h"
+#include "clang/Basic/Version.h"
 #include <cstdlib>
 #include <iostream>
 #include <memory>
@@ -153,7 +154,16 @@
 
 int main(int argc, char *argv[]) {
   llvm::sys::PrintStackTraceOnErrorSignal(argv[0]);
-  llvm::cl::ParseCommandLineOptions(argc, argv, "clangd");
+  llvm::cl::SetVersionPrinter([](llvm::raw_ostream &OS) {
+    OS << clang::getClangToolFullVersion("clangd") << "\n";
+  });
+  llvm::cl::ParseCommandLineOptions(
+      argc, argv,
+      "clangd is a language server that provides IDE-like features to editors. 
"
+      "\n\nIt should be used via an editor plugin rather than invoked 
directly."
+      "For more information, see:"
+      "\n\thttps://clang.llvm.org/extra/clangd.html";
+      "\n\thttps://microsoft.github.io/language-server-protocol/";);
   if (Test) {
     RunSynchronously = true;
     InputStyle = JSONStreamStyle::Delimited;



Index: clangd/tool/ClangdMain.cpp
===================================================================
--- clangd/tool/ClangdMain.cpp
+++ clangd/tool/ClangdMain.cpp
@@ -18,6 +18,7 @@
 #include "llvm/Support/Program.h"
 #include "llvm/Support/Signals.h"
 #include "llvm/Support/raw_ostream.h"
+#include "clang/Basic/Version.h"
 #include <cstdlib>
 #include <iostream>
 #include <memory>
@@ -153,7 +154,16 @@
 
 int main(int argc, char *argv[]) {
   llvm::sys::PrintStackTraceOnErrorSignal(argv[0]);
-  llvm::cl::ParseCommandLineOptions(argc, argv, "clangd");
+  llvm::cl::SetVersionPrinter([](llvm::raw_ostream &OS) {
+    OS << clang::getClangToolFullVersion("clangd") << "\n";
+  });
+  llvm::cl::ParseCommandLineOptions(
+      argc, argv,
+      "clangd is a language server that provides IDE-like features to editors. "
+      "\n\nIt should be used via an editor plugin rather than invoked directly."
+      "For more information, see:"
+      "\n\thttps://clang.llvm.org/extra/clangd.html";
+      "\n\thttps://microsoft.github.io/language-server-protocol/";);
   if (Test) {
     RunSynchronously = true;
     InputStyle = JSONStreamStyle::Delimited;

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