Fix .. in compdb path; better type alias

index_tests/types/anonymous_struct.cc

@@ -65,6 +65,15 @@ OUTPUT:
       "types": [],
       "funcs": [],
       "vars": [{
+          "L": 3348817847649945564,
+          "R": -1
+        }, {
+          "L": 4821094820988543895,
+          "R": -1
+        }, {
+          "L": 15292551660437765731,
+          "R": -1
+        }, {
           "L": 1963212417280098348,
           "R": 0
         }],

src/clang_tu.cc

@@ -401,12 +401,9 @@ std::unique_ptr<ClangTranslationUnit> ClangTranslationUnit::Create(
 std::unique_ptr<ClangTranslationUnit> ClangTranslationUnit::Reparse(
     std::unique_ptr<ClangTranslationUnit> tu,
     std::vector<CXUnsavedFile>& unsaved) {
-  int error_code;
-  {
-    error_code = clang_reparseTranslationUnit(
+  int error_code = clang_reparseTranslationUnit(
       tu->cx_tu, (unsigned)unsaved.size(), unsaved.data(),
       clang_defaultReparseOptions(tu->cx_tu));
-  }
 
   if (error_code != CXError_Success && tu->cx_tu)
     EmitDiagnostics("<unknown>", {}, tu->cx_tu);

src/indexer.cc

@@ -1655,16 +1655,23 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
 
     case CXIdxEntity_Typedef:
     case CXIdxEntity_CXXTypeAlias: {
+      IndexType& type = db->ToType(HashUsr(decl->entityInfo->USR));
+      CXType Type = clang_getCursorType(decl->entityInfo->cursor);
+      CXType CanonType = clang_getCanonicalType(Type);;
+      if (clang_equalTypes(Type,  CanonType) == 0) {
+        Usr type_usr = ClangType(CanonType).get_usr_hash();
+        if (db->usr2type.count(type_usr)) {
+          type.def.alias_of = type_usr;
+        } else {
           // Note we want to fetch the first TypeRef. Running
           // ResolveCursorType(decl->cursor) would return
           // the type of the typedef/using, not the type of the referenced type.
           IndexType* alias_of = AddDeclTypeUsages(
               db, cursor, nullptr, decl->semanticContainer, decl->lexicalContainer);
-
-      IndexType& type = db->ToType(HashUsr(decl->entityInfo->USR));
-
           if (alias_of)
             type.def.alias_of = alias_of->usr;
+        }
+      }
 
       Range spell = cursor.get_spell();
       Range extent = cursor.get_extent();
@@ -1709,17 +1716,11 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
 
       IndexType& type = db->ToType(HashUsr(decl->entityInfo->USR));
 
-      // TODO: Eventually run with this if. Right now I want to iron out bugs
-      // this may shadow.
-      // TODO: For type section, verify if this ever runs for non definitions?
-      // if (!decl->isRedeclaration) {
-
       SetTypeName(type, cursor, decl->semanticContainer, decl->entityInfo->name,
                   param);
       type.def.kind = GetSymbolKind(decl->entityInfo->kind);
       if (g_config->index.comments)
         type.def.comments = Intern(cursor.get_comments());
-      // }
 
       if (decl->isDefinition) {
         type.def.spell = SetUse(db, spell, sem_parent, Role::Definition);
@@ -1781,12 +1782,6 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
         }
       }
 
-      // type_def->alias_of
-      // type_def->funcs
-      // type_def->types
-      // type_def->uses
-      // type_def->vars
-
       // Add type-level inheritance information.
       CXIdxCXXClassDeclInfo const* class_info =
           clang_index_getCXXClassDeclInfo(decl);

src/pipeline.cc

@@ -94,17 +94,9 @@ bool FileNeedsParse(int64_t write_time,
   }
 
   // Command-line arguments changed.
-  auto is_file = [](const std::string& arg) {
-    return EndsWithAny(arg, {".h", ".c", ".cc", ".cpp", ".hpp", ".m", ".mm"});
-  };
   if (opt_previous_index) {
     auto& prev_args = opt_previous_index->args;
-    bool same = prev_args.size() == args.size();
-    for (size_t i = 0; i < args.size() && same; ++i) {
-      same = prev_args[i] == args[i] ||
-             (is_file(prev_args[i]) && is_file(args[i]));
-    }
-    if (!same) {
+    if (prev_args != args) {
       LOG_S(INFO) << "args changed for " << path << (from ? " (via " + *from + ")" : std::string());
       return true;
     }
@@ -483,13 +475,12 @@ void MainLoop() {
       Main_OnIndexed(&db, &semantic_cache, &working_files, &*update);
     }
 
-    // Cleanup and free any unused memory.
+    if (!did_work) {
       FreeUnusedMemory();
-
-    if (!did_work)
       main_waiter->Wait(on_indexed, on_request);
     }
   }
+}
 
 void Index(const std::string& path,
            const std::vector<std::string>& args,

src/project.cc

@@ -48,7 +48,7 @@ struct CompileCommandsEntry {
       return path;
     SmallString<256> Ret;
     sys::path::append(Ret, directory, path);
-    return Ret.str();
+    return NormalizePath(Ret.str());
   }
 };
 MAKE_REFLECT_STRUCT(CompileCommandsEntry, directory, file, command, args);