Merge 5d401fc95d into aca8280288

Type::Elaborated is removed by llvmorg-22-init-3166-g91cdd35008e9

llvm::sys::fs and clang functions are changed due to
https://discourse.llvm.org/t/rfc-file-system-sandboxing-in-clang-llvm/88791

src/indexer.cc

@@ -364,9 +364,11 @@ try_again:
 
     // FIXME: Template type parameters!
 
+#if LLVM_VERSION_MAJOR < 22 // llvmorg-22-init-3166-g91cdd35008e9
   case Type::Elaborated:
     tp = cast<ElaboratedType>(tp)->getNamedType().getTypePtrOrNull();
     goto try_again;
+#endif
 
   default:
     break;
@@ -1266,7 +1268,7 @@ IndexResult index(WorkingFiles *wfiles, VFS *vfs, const std::string &opt_wdir, c
   clang->setInvocation(std::move(ci));
 #endif
   clang->createDiagnostics(
-#if LLVM_VERSION_MAJOR >= 20
+#if LLVM_VERSION_MAJOR >= 20 && LLVM_VERSION_MAJOR < 22
       *fs,
 #endif
       &dc, false);
@@ -1279,7 +1281,11 @@ IndexResult index(WorkingFiles *wfiles, VFS *vfs, const std::string &opt_wdir, c
   if (!clang->hasTarget())
     return {};
   clang->getPreprocessorOpts().RetainRemappedFileBuffers = true;
+#if LLVM_VERSION_MAJOR >= 22
+  clang->createFileManager();
+#else
   clang->createFileManager(fs);
+#endif
   clang->setSourceManager(new SourceManager(clang->getDiagnostics(), clang->getFileManager(), true));
 
   IndexParam param(*vfs, no_linkage);

src/message_handler.hh

@@ -296,7 +296,7 @@ private:
   void textDocument_signatureHelp(TextDocumentPositionParam &, ReplyOnce &);
   void textDocument_switchSourceHeader(TextDocumentIdentifier &, ReplyOnce &);
   void textDocument_typeDefinition(TextDocumentPositionParam &, ReplyOnce &);
-  void workspace_didChangeConfiguration(EmptyParam &);
+  void workspace_didChangeConfiguration(JsonReader &);
   void workspace_didChangeWatchedFiles(DidChangeWatchedFilesParam &);
   void workspace_didChangeWorkspaceFolders(DidChangeWorkspaceFoldersParam &);
   void workspace_executeCommand(JsonReader &, ReplyOnce &);

src/messages/initialize.cc

@@ -345,7 +345,11 @@ void do_initialize(MessageHandler *m, InitializeParam &param, ReplyOnce &reply)
 
     if (g_config->cache.directory.size()) {
       SmallString<256> path(g_config->cache.directory);
+#if LLVM_VERSION_MAJOR >= 22
+      sys::path::make_absolute(project_path, path);
+#else
       sys::fs::make_absolute(project_path, path);
+#endif
       // Use upper case for the Driver letter on Windows.
       g_config->cache.directory = normalizePath(path.str());
       ensureEndsInSlash(g_config->cache.directory);

src/messages/workspace.cc

@@ -13,6 +13,9 @@
 #include <llvm/ADT/StringRef.h>
 #include <llvm/Support/Path.h>
 
+#include <rapidjson/document.h>
+#include <rapidjson/writer.h>
+
 #include <algorithm>
 #include <ctype.h>
 #include <functional>
@@ -22,13 +25,31 @@ using namespace llvm;
 namespace ccls {
 REFLECT_STRUCT(SymbolInformation, name, kind, location, containerName);
 
-void MessageHandler::workspace_didChangeConfiguration(EmptyParam &) {
+void MessageHandler::workspace_didChangeConfiguration(JsonReader &reader) {
+  auto it = reader.m->FindMember("settings");
+  if (!(it != reader.m->MemberEnd() && it->value.IsObject()))
+    return;
+
+  // Similar to MessageHandler::initialize.
+  rapidjson::StringBuffer output;
+  rapidjson::Writer<rapidjson::StringBuffer> writer(output);
+  JsonReader m1(&it->value);
+  it->value.Accept(writer);
+  LOG_S(INFO) << "didChangeConfiguration: " << output.GetString();
+  try {
+    reflect(m1, *g_config);
+  } catch (std::invalid_argument &) {
+    reader.path_.push_back("settings");
+    reader.path_.insert(reader.path_.end(), m1.path_.begin(), m1.path_.end());
+    throw;
+  }
+
   for (auto &[folder, _] : g_config->workspaceFolders)
     project->load(folder);
   project->index(wfiles, RequestId());
 
   manager->clear();
-};
+}
 
 void MessageHandler::workspace_didChangeWatchedFiles(DidChangeWatchedFilesParam &param) {
   for (auto &event : param.changes) {

src/sema_manager.cc

@@ -268,7 +268,7 @@ std::unique_ptr<CompilerInstance> buildCompilerInstance(Session &session, std::u
   clang->setInvocation(std::move(ci));
 #endif
   clang->createDiagnostics(
-#if LLVM_VERSION_MAJOR >= 20
+#if LLVM_VERSION_MAJOR >= 20 && LLVM_VERSION_MAJOR < 22
       *fs,
 #endif
       &dc, false);
@@ -283,7 +283,11 @@ std::unique_ptr<CompilerInstance> buildCompilerInstance(Session &session, std::u
   // Construct SourceManager with UserFilesAreVolatile: true because otherwise
   // RequiresNullTerminator: true may cause out-of-bounds read when a file is
   // mmap'ed but is saved concurrently.
+#if LLVM_VERSION_MAJOR >= 22
+  clang->createFileManager();
+#else
   clang->createFileManager(fs);
+#endif
   clang->setSourceManager(new SourceManager(clang->getDiagnostics(), clang->getFileManager(), true));
   auto &isec = clang->getFrontendOpts().Inputs;
   if (isec.size()) {