Change VarClass::cls to ClangSymbolKind::kind

ClangSymbolKind is ported from clang::index::SymbolKind

src/indexer.cc

@@ -408,7 +408,7 @@ void OnIndexReference_Function(IndexFile* db,
 }  // namespace
 
 // static
-int IndexFile::kCurrentVersion = 6;
+int IndexFile::kCurrentVersion = 7;
 
 IndexFile::IndexFile(const std::string& path) : id_cache(path), path(path) {
   // TODO: Reconsider if we should still be reusing the same id_cache.
@@ -965,7 +965,7 @@ ClangCursor::VisitResult VisitMacroDefinitionAndExpansions(ClangCursor cursor,
         var_def->def.detailed_name = cursor.get_display_name();
         var_def->def.hover =
             "#define " + GetDocumentContentInRange(param->tu->cx_tu, cx_extent);
-        var_def->def.cls = VarClass::Macro;
+        var_def->def.kind = ClangSymbolKind::Macro;
         var_def->def.comments = cursor.get_comments();
         var_def->def.definition_spelling = decl_loc_spelling;
         var_def->def.definition_extent = ResolveCXSourceRange(cx_extent, nullptr);
@@ -1213,18 +1213,13 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
       SetVarDetail(var, decl->cursor, decl->semanticContainer,
                    !decl->isRedeclaration, db, param);
 
-      bool is_system = clang_Location_isInSystemHeader(
-          clang_indexLoc_getCXSourceLocation(decl->loc));
-      if (is_system)
-        var->def.cls = VarClass::Unknown;
-      else {
+      // FIXME https://github.com/jacobdufault/cquery/issues/239
       if (IsGlobalContainer(decl->semanticContainer))
-          var->def.cls = VarClass::Global;
+        var->def.kind = ClangSymbolKind::Module;
       else if (IsTypeDefinition(decl->semanticContainer))
-          var->def.cls = VarClass::Member;
+        var->def.kind = ClangSymbolKind::Field;
       else
-          var->def.cls = VarClass::Local;
-      }
+        var->def.kind = ClangSymbolKind::Variable;
       //}
 
       if (decl->isDefinition) {
@@ -1635,7 +1630,7 @@ void OnIndexReference(CXClientData client_data, const CXIdxEntityRefInfo* ref) {
           // and has more information, thus not easy to reuse the code.
           var->def.short_name = referenced.get_spelling();
           SetVarDetail(var, referenced, nullptr, true, db, param);
-          var->def.cls = VarClass::Local;
+          var->def.kind = ClangSymbolKind::Parameter;
           UniqueAdd(var->uses, referenced.get_spelling_range());
         }
       }

src/indexer.h

@@ -78,6 +78,45 @@ using IndexVarId = Id<IndexVar>;
 
 struct IdCache;
 
+// TODO Rename query.h:SymbolKind to another name; change int16_t to uint8_t
+// clang/Index/IndexSymbol.h clang::index::SymbolKind
+enum class ClangSymbolKind : int16_t {
+  Unknown,
+
+  Module,
+  Namespace,
+  NamespaceAlias,
+  Macro,
+
+  Enum,
+  Struct,
+  Class,
+  Protocol,
+  Extension,
+  Union,
+  TypeAlias,
+
+  Function,
+  Variable,
+  Field,
+  EnumConstant,
+
+  InstanceMethod,
+  ClassMethod,
+  StaticMethod,
+  InstanceProperty,
+  ClassProperty,
+  StaticProperty,
+
+  Constructor,
+  Destructor,
+  ConversionFunction,
+
+  Parameter,
+  Using,
+};
+MAKE_REFLECT_TYPE_PROXY(ClangSymbolKind, std::underlying_type<ClangSymbolKind>::type);
+
 struct IndexFuncRef {
   // NOTE: id can be -1 if the function call is not coming from a function.
   IndexFuncId id;
@@ -149,6 +188,7 @@ struct TypeDefDefinitionData {
   // General metadata.
   std::string short_name;
   std::string detailed_name;
+  ClangSymbolKind kind = ClangSymbolKind::Unknown;
   optional<std::string> hover;
   optional<std::string> comments;
 
@@ -202,6 +242,7 @@ void Reflect(TVisitor& visitor,
   REFLECT_MEMBER_START();
   REFLECT_MEMBER(short_name);
   REFLECT_MEMBER(detailed_name);
+  REFLECT_MEMBER(kind);
   REFLECT_MEMBER(hover);
   REFLECT_MEMBER(comments);
   REFLECT_MEMBER(definition_spelling);
@@ -249,6 +290,7 @@ struct FuncDefDefinitionData {
   // General metadata.
   std::string short_name;
   std::string detailed_name;
+  ClangSymbolKind kind = ClangSymbolKind::Unknown;
   optional<std::string> hover;
   optional<std::string> comments;
   optional<Range> definition_spelling;
@@ -299,6 +341,7 @@ void Reflect(
   REFLECT_MEMBER_START();
   REFLECT_MEMBER(short_name);
   REFLECT_MEMBER(detailed_name);
+  REFLECT_MEMBER(kind);
   REFLECT_MEMBER(hover);
   REFLECT_MEMBER(comments);
   REFLECT_MEMBER(definition_spelling);
@@ -361,25 +404,12 @@ MAKE_REFLECT_STRUCT(IndexFunc::Declaration,
                     content,
                     param_spellings);
 
-enum class VarClass {
-  // probably a variable in system headers
-  Unknown = 0,
-  // a parameter or function variable
-  Local = 1,
-  // a macro, ie, #define FOO
-  Macro = 2,
-  // a global variable
-  Global = 3,
-  // a member variable of struct/union/class/enum
-  Member = 4
-};
-MAKE_REFLECT_TYPE_PROXY(VarClass, std::underlying_type<VarClass>::type);
-
 template <typename TypeId, typename FuncId, typename VarId, typename Range>
 struct VarDefDefinitionData {
   // General metadata.
   std::string short_name;
   std::string detailed_name;
+  ClangSymbolKind kind = ClangSymbolKind::Unknown;
   optional<std::string> hover;
   optional<std::string> comments;
   optional<Range> declaration;
@@ -394,10 +424,9 @@ struct VarDefDefinitionData {
   // Type which declares this one.
   optional<TypeId> declaring_type;
 
-  VarClass cls = VarClass::Unknown;
-
-  bool is_local() const { return cls == VarClass::Local; }
-  bool is_macro() const { return cls == VarClass::Macro; }
+  // FIXME
+  bool is_local() const { return kind == ClangSymbolKind::Variable; }
+  bool is_macro() const { return kind == ClangSymbolKind::Macro; }
 
   bool operator==(
       const VarDefDefinitionData<TypeId, FuncId, VarId, Range>& other) const {
@@ -426,13 +455,13 @@ void Reflect(TVisitor& visitor,
   REFLECT_MEMBER_START();
   REFLECT_MEMBER(short_name);
   REFLECT_MEMBER(detailed_name);
+  REFLECT_MEMBER(kind);
   REFLECT_MEMBER(hover);
   REFLECT_MEMBER(comments);
   REFLECT_MEMBER(definition_spelling);
   REFLECT_MEMBER(definition_extent);
   REFLECT_MEMBER(variable_type);
   REFLECT_MEMBER(declaring_type);
-  REFLECT_MEMBER(cls);
   REFLECT_MEMBER_END();
 }
 

src/message_handler.cc

@@ -126,10 +126,11 @@ void EmitSemanticHighlighting(QueryDatabase* db,
         QueryVar* var = &db->vars[sym.idx.idx];
         if (!var->def)
           continue;  // applies to for loop
-        switch (var->def->cls) {
-          case VarClass::Local:
-          case VarClass::Global:
-          case VarClass::Member:
+        switch (var->def->kind) {
+          case ClangSymbolKind::Field:
+          case ClangSymbolKind::Macro:
+          case ClangSymbolKind::Module:
+          case ClangSymbolKind::Variable:
             break;
           default:
             continue;  // applies to for loop

src/query.cc

@@ -72,7 +72,7 @@ optional<QueryVar::Def> ToQuery(const IdMap& id_map, const IndexVar::Def& var) {
   result.definition_extent = id_map.ToQuery(var.definition_extent);
   result.variable_type = id_map.ToQuery(var.variable_type);
   result.declaring_type = id_map.ToQuery(var.declaring_type);
-  result.cls = var.cls;
+  result.kind = var.kind;
   return result;
 }
 

src/serializer.cc

@@ -150,7 +150,7 @@ void Reflect(TVisitor& visitor, IndexVar& value) {
   REFLECT_MEMBER2("definition_extent", value.def.definition_extent);
   REFLECT_MEMBER2("variable_type", value.def.variable_type);
   REFLECT_MEMBER2("declaring_type", value.def.declaring_type);
-  REFLECT_MEMBER2("cls", value.def.cls);
+  REFLECT_MEMBER2("kind", value.def.kind);
   REFLECT_MEMBER2("uses", value.uses);
   REFLECT_MEMBER_END();
 }