Namespace: improve indexer and don't trace bases in $ccls/member

src/indexer.cc

@@ -719,8 +719,17 @@ public:
 
     // spell, extent, comments use OrigD while most others use adjusted |D|.
     const Decl *OrigD = ASTNode.OrigD;
-    const DeclContext *SemDC = OrigD->getDeclContext();
+    const DeclContext *SemDC = OrigD->getDeclContext()->getRedeclContext();
-    const DeclContext *LexDC = ASTNode.ContainerDC;
+    const DeclContext *LexDC = ASTNode.ContainerDC->getRedeclContext();
+    {
+      const NamespaceDecl *ND;
+      while ((ND = dyn_cast<NamespaceDecl>(cast<Decl>(SemDC))) &&
+             ND->isAnonymousNamespace())
+        SemDC = ND->getDeclContext()->getRedeclContext();
+      while ((ND = dyn_cast<NamespaceDecl>(cast<Decl>(LexDC))) &&
+             ND->isAnonymousNamespace())
+        LexDC = ND->getDeclContext()->getRedeclContext();
+    }
     Role role = static_cast<Role>(Roles);
     db->language = LanguageId((int)db->language | (int)GetDeclLanguage(D));
 

src/messages/ccls_member.cc

@@ -133,7 +133,9 @@ bool Expand(MessageHandler *m, Out_CclsMember::Entry *entry,
       type = stack.back();
       stack.pop_back();
       const auto *def = type->AnyDef();
-      if (!def) continue;
+      if (!def)
+        continue;
+      if (def->kind != lsSymbolKind::Namespace)
         for (Usr usr : def->bases) {
           auto &type1 = m->db->Type(usr);
           if (type1.def.size()) {