Merge 5d401fc95d into 3799e38920

to update the configuration settings.

src/indexer.cc

@@ -377,10 +377,17 @@ const Decl *getAdjustedDecl(const Decl *d) {
         if (!s->isExplicitSpecialization()) {
           llvm::PointerUnion<ClassTemplateDecl *, ClassTemplatePartialSpecializationDecl *> result =
               s->getSpecializedTemplateOrPartial();
-          if (result.is<ClassTemplateDecl *>())
+#if LLVM_VERSION_MAJOR >= 21
+          if (auto *ctd = dyn_cast<ClassTemplateDecl *>(result))
+            d = ctd;
+          else
+            d = cast<ClassTemplatePartialSpecializationDecl *>(result);
+#else
+          if (isa<ClassTemplateDecl *>(result))
             d = result.get<ClassTemplateDecl *>();
           else
             d = result.get<ClassTemplatePartialSpecializationDecl *>();
+#endif
           continue;
         }
       } else if (auto *d1 = r->getInstantiatedFromMemberClass()) {
@@ -964,10 +971,17 @@ public:
           else if (auto *sd = dyn_cast<ClassTemplateSpecializationDecl>(rd)) {
             llvm::PointerUnion<ClassTemplateDecl *, ClassTemplatePartialSpecializationDecl *> result =
                 sd->getSpecializedTemplateOrPartial();
+#if LLVM_VERSION_MAJOR >= 21
+            if (auto *ctd = dyn_cast<ClassTemplateDecl *>(result))
+              d1 = ctd;
+            else
+              d1 = cast<ClassTemplatePartialSpecializationDecl *>(result);
+#else
             if (result.is<ClassTemplateDecl *>())
               d1 = result.get<ClassTemplateDecl *>();
             else
               d1 = result.get<ClassTemplatePartialSpecializationDecl *>();
+#endif
 
           } else
             d1 = rd->getInstantiatedFromMemberClass();
@@ -1241,15 +1255,23 @@ IndexResult index(SemaManager *manager, WorkingFiles *wfiles, VFS *vfs, const st
     }
 
   IndexDiags dc;
+#if LLVM_VERSION_MAJOR >= 21
+  auto clang = std::make_unique<CompilerInstance>(std::move(ci), pch);
+#else
   auto clang = std::make_unique<CompilerInstance>(pch);
   clang->setInvocation(std::move(ci));
+#endif
   clang->createDiagnostics(
 #if LLVM_VERSION_MAJOR >= 20
       *fs,
 #endif
       &dc, false);
   clang->getDiagnostics().setIgnoreAllWarnings(true);
+#if LLVM_VERSION_MAJOR >= 21
+  clang->setTarget(TargetInfo::CreateTargetInfo(clang->getDiagnostics(), clang->getTargetOpts()));
+#else
   clang->setTarget(TargetInfo::CreateTargetInfo(clang->getDiagnostics(), clang->getInvocation().TargetOpts));
+#endif
   if (!clang->hasTarget())
     return {};
   clang->getPreprocessorOpts().RetainRemappedFileBuffers = true;

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/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

@@ -261,14 +261,22 @@ std::unique_ptr<CompilerInstance> buildCompilerInstance(Session &session, std::u
   else
     ci->getPreprocessorOpts().addRemappedFile(main, buf.get());
 
+#if LLVM_VERSION_MAJOR >= 21
+  auto clang = std::make_unique<CompilerInstance>(std::move(ci), session.pch);
+#else
   auto clang = std::make_unique<CompilerInstance>(session.pch);
   clang->setInvocation(std::move(ci));
+#endif
   clang->createDiagnostics(
 #if LLVM_VERSION_MAJOR >= 20
       *fs,
 #endif
       &dc, false);
+#if LLVM_VERSION_MAJOR >= 21
+  clang->setTarget(TargetInfo::CreateTargetInfo(clang->getDiagnostics(), clang->getTargetOpts()));
+#else
   clang->setTarget(TargetInfo::CreateTargetInfo(clang->getDiagnostics(), clang->getInvocation().TargetOpts));
+#endif
   if (!clang->hasTarget())
     return nullptr;
   clang->getPreprocessorOpts().RetainRemappedFileBuffers = true;