[PATCH] D65146: [clangd] Log version, cwd, args, and transport on startup. NFC

[Sam McCall via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL366811: [clangd] Log version, cwd, args, and transport on startup. NFC (authored by sammccall, committed by ).
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Herald added a subscriber: llvm-commits.

Changed prior to commit:
  https://reviews.llvm.org/D65146?vs=211295&id=211301#toc

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D65146/new/

https://reviews.llvm.org/D65146

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


Index: clang-tools-extra/trunk/clangd/tool/ClangdMain.cpp
===================================================================
--- clang-tools-extra/trunk/clangd/tool/ClangdMain.cpp
+++ clang-tools-extra/trunk/clangd/tool/ClangdMain.cpp
@@ -423,6 +423,17 @@
   llvm::errs().SetBuffered();
   StreamLogger Logger(llvm::errs(), LogLevel);
   LoggingSession LoggingSession(Logger);
+  // Write some initial logs before we start doing any real work.
+  log("{0}", clang::getClangToolFullVersion("clangd"));
+  {
+    SmallString<128> CWD;
+    if (auto Err = llvm::sys::fs::current_path(CWD))
+      log("Working directory unknown: {0}", Err.message());
+    else
+      log("Working directory: {0}", CWD);
+  }
+  for (int I = 0; I < argc; ++I)
+    log("argv[{0}]: {1}", I, argv[I]);
 
   // If --compile-commands-dir arg was invoked, check value and override default
   // path.
@@ -501,12 +512,14 @@
   std::unique_ptr<Transport> TransportLayer;
   if (getenv("CLANGD_AS_XPC_SERVICE")) {
 #if CLANGD_BUILD_XPC
+    log("Starting LSP over XPC service");
     TransportLayer = newXPCTransport();
 #else
     llvm::errs() << "This clangd binary wasn't built with XPC support.\n";
     return (int)ErrorResultCode::CantRunAsXPCService;
 #endif
   } else {
+    log("Starting LSP over stdin/stdout");
     TransportLayer = newJSONTransport(
         stdin, llvm::outs(),
         InputMirrorStream ? InputMirrorStream.getPointer() : nullptr,


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