kbobyrev updated this revision to Diff 280589.
kbobyrev marked 7 inline comments as done.
kbobyrev added a comment.

Address review comments.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D83817/new/

https://reviews.llvm.org/D83817

Files:
  clang-tools-extra/clangd/CMakeLists.txt
  clang-tools-extra/clangd/Features.inc.in
  clang-tools-extra/clangd/tool/ClangdMain.cpp

Index: clang-tools-extra/clangd/tool/ClangdMain.cpp
===================================================================
--- clang-tools-extra/clangd/tool/ClangdMain.cpp
+++ clang-tools-extra/clangd/tool/ClangdMain.cpp
@@ -14,6 +14,7 @@
 #include "Transport.h"
 #include "index/Background.h"
 #include "index/Serialization.h"
+#include "index/remote/Client.h"
 #include "refactor/Rename.h"
 #include "support/Path.h"
 #include "support/Shutdown.h"
@@ -64,6 +65,7 @@
 OptionCategory Features("clangd feature options");
 OptionCategory Misc("clangd miscellaneous options");
 OptionCategory Protocol("clangd protocol and logging options");
+OptionCategory Remote("clangd remote index options");
 const OptionCategory *ClangdCategories[] = {&Features, &Protocol,
                                             &CompileCommands, &Misc};
 
@@ -449,6 +451,21 @@
     init(true),
 };
 
+#ifdef CLANGD_ENABLE_REMOTE
+opt<std::string> RemoteIndexAddress{
+    "remote-index-address",
+    cat(Features),
+    desc("Address of the remote index server"),
+};
+
+// FIXME(kirillbobyrev): Should this be the location of compile_commands.json?
+opt<std::string> ProjectRoot{
+    "project-path",
+    cat(Features),
+    desc("Path to the project root. Requires remote-index-address to be set."),
+};
+#endif
+
 /// Supports a test URI scheme with relaxed constraints for lit tests.
 /// The path in a test URI will be combined with a platform-specific fake
 /// directory to form an absolute path. For example, test:///a.cpp is resolved
@@ -680,6 +697,23 @@
     if (Sync)
       AsyncIndexLoad.wait();
   }
+#ifdef CLANGD_ENABLE_REMOTE
+  if (RemoteIndexAddress.empty() != ProjectRoot.empty()) {
+    llvm::errs() << "remote-index-address and project-path have to be "
+                    "specified at the same time.";
+    return 1;
+  }
+  if (!RemoteIndexAddress.empty()) {
+    if (IndexFile.empty()) {
+      log("Connecting to remote index at {0}", RemoteIndexAddress);
+      StaticIdx = remote::getClient(RemoteIndexAddress, ProjectRoot);
+      EnableBackgroundIndex = false;
+    } else {
+      elog("When enabling remote index, IndexFile should not be specified. "
+           "Only one can be used at time. Remote index will ignored.");
+    }
+  }
+#endif
   Opts.StaticIndex = StaticIdx.get();
   Opts.AsyncThreadsCount = WorkerThreadsCount;
   Opts.BuildRecoveryAST = RecoveryAST;
Index: clang-tools-extra/clangd/Features.inc.in
===================================================================
--- clang-tools-extra/clangd/Features.inc.in
+++ clang-tools-extra/clangd/Features.inc.in
@@ -1 +1,2 @@
 #define CLANGD_BUILD_XPC @CLANGD_BUILD_XPC@
+#define CLANGD_ENABLE_REMOTE @CLANGD_ENABLE_REMTE@
Index: clang-tools-extra/clangd/CMakeLists.txt
===================================================================
--- clang-tools-extra/clangd/CMakeLists.txt
+++ clang-tools-extra/clangd/CMakeLists.txt
@@ -114,6 +114,15 @@
   omp_gen
   )
 
+# FIXME(kirillbobyrev): Document this in the LLVM docs once remote index is stable.
+option(CLANGD_ENABLE_REMOTE "Use gRPC library to enable remote index support for Clangd" OFF)
+set(GRPC_INSTALL_PATH "" CACHE PATH "Path to gRPC library manual installation.")
+
+if (CLANGD_ENABLE_REMOTE)
+  include(FindGRPC)
+endif()
+add_subdirectory(index/remote)
+
 clang_target_link_libraries(clangDaemon
   PRIVATE
   clangAST
@@ -131,6 +140,7 @@
   clangToolingInclusions
   clangToolingRefactoring
   clangToolingSyntax
+  clangdRemoteIndex
   )
 
 add_subdirectory(refactor/tweaks)
@@ -153,12 +163,4 @@
 add_subdirectory(unittests)
 endif()
 
-# FIXME(kirillbobyrev): Document this in the LLVM docs once remote index is stable.
-option(CLANGD_ENABLE_REMOTE "Use gRPC library to enable remote index support for Clangd" OFF)
-set(GRPC_INSTALL_PATH "" CACHE PATH "Path to gRPC library manual installation.")
-
-if (CLANGD_ENABLE_REMOTE)
-  include(FindGRPC)
-endif()
-add_subdirectory(index/remote)
 add_subdirectory(index/dex/dexp)
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