do not index namespace ref

indexer.cpp

@@ -549,7 +549,7 @@ optional<TypeId> AddDeclUsages(IndexedFile* db, clang::Cursor decl_cursor,
       is_interesting == false ||
       param.previous_cursor.has_value() == false ||
       (param.previous_cursor.value().get_kind() == CXCursor_TypeRef ||
-       param.previous_cursor.value().get_kind() == CXCursor_TemplateRef));
+        param.previous_cursor.value().get_kind() == CXCursor_TemplateRef));
   }
 
   return param.initial_type;
@@ -866,6 +866,12 @@ void indexEntityReference(CXClientData client_data, const CXIdxEntityRefInfo* re
   clang::Cursor cursor(ref->cursor);
 
   switch (ref->referencedEntity->kind) {
+  case CXIdxEntity_CXXNamespace:
+  {
+    // We don't index namespace usages.
+    break;
+  }
+
   case CXIdxEntity_EnumConstant:
   case CXIdxEntity_CXXStaticVariable:
   case CXIdxEntity_Variable:

test.cc

@@ -97,7 +97,7 @@ int main(int argc, char** argv) {
     //if (path != "tests/templates/specialized_func_definition.cc") continue;
     //if (path != "tests/constructors/invalid_reference.cc") continue;
     //if (path == "tests/inheritance/class_inherit_templated_parent.cc") continue;
-    //if (path != "tests/foobar.cc") continue;
+    //if (path != "tests/namespaces/namespace_reference.cc") continue;
     if (path == "tests/stl.cc") continue;
 
     //if (path != "tests/templates/template_class_type_usage_folded_into_one.cc") continue;

tests/foobar.cc

@@ -61,105 +61,3 @@ OUTPUT:
 }
 
 */
-
-
-
-
-
-
-
-
-
-#if false
-namespace ns {
-  enum VarType {};
-
-  template<typename _>
-  struct Holder {
-    static constexpr VarType static_var = (VarType)0x0;
-  };
-
-  template<typename _>
-  const typename VarType Holder<_>::static_var;
-
-
-  int Foo = Holder<int>::static_var;
-  int Foo2 = Holder<int>::static_var;
-}
-#endif
-
-/*
-OUTPUT:
-{
-  "types": [{
-      "id": 0,
-      "usr": "c:@N@ns@E@VarType",
-      "short_name": "VarType",
-      "qualified_name": "ns::VarType",
-      "definition": "1:2:8",
-      "uses": ["*1:2:8", "*1:6:22", "1:6:44", "*1:10:18"]
-    }, {
-      "id": 1,
-      "usr": "c:@N@ns@ST>1#T@Holder",
-      "short_name": "Holder",
-      "qualified_name": "ns::Holder",
-      "definition": "1:5:10",
-      "vars": [0],
-      "uses": ["*1:5:10", "*1:10:26", "1:13:13", "1:14:14"]
-    }],
-  "functions": [],
-  "variables": [{
-      "id": 0,
-      "usr": "c:@N@ns@ST>1#T@Holder@static_var",
-      "short_name": "static_var",
-      "qualified_name": "ns::Holder::static_var",
-      "declaration": "1:6:30",
-      "definition": "1:10:37",
-      "variable_type": 0,
-      "declaring_type": 1,
-      "uses": ["1:6:30", "1:10:37"]
-    }, {
-      "id": 1,
-      "usr": "c:@N@ns@Foo",
-      "short_name": "Foo",
-      "qualified_name": "ns::Foo",
-      "definition": "1:13:7",
-      "uses": ["1:13:7"]
-    }, {
-      "id": 2,
-      "usr": "c:@N@ns@S@Holder>#I@static_var",
-      "short_name": "static_var",
-      "qualified_name": "static_var",
-      "definition": "1:10:37",
-      "variable_type": 0,
-      "declaring_type": 2,
-      "uses": ["1:13:26", "1:10:37", "1:14:27"]
-    }, {
-      "id": 3,
-      "usr": "c:@N@ns@Foo2",
-      "short_name": "Foo2",
-      "qualified_name": "ns::Foo2",
-      "definition": "1:14:7",
-      "uses": ["1:14:7"]
-    }]
-}
-*/
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

tests/namespaces/namespace_reference.cc

@@ -0,0 +1,52 @@
+namespace ns {
+  int Foo;
+  void Accept(int a) {}
+}
+
+void Runner() {
+  ns::Accept(ns::Foo);
+  using namespace ns;
+  Accept(Foo);
+}
+
+/*
+OUTPUT:
+{
+  "types": [],
+  "functions": [{
+      "id": 0,
+      "usr": "c:@N@ns@F@Accept#I#",
+      "short_name": "Accept",
+      "qualified_name": "ns::Accept",
+      "definition": "1:3:8",
+      "callers": ["1@1:7:7", "1@1:9:3"],
+      "uses": ["1:3:8", "1:7:7", "1:9:3"]
+    }, {
+      "id": 1,
+      "usr": "c:@F@Runner#",
+      "short_name": "Runner",
+      "qualified_name": "Runner",
+      "definition": "1:6:6",
+      "callees": ["0@1:7:7", "0@1:9:3"],
+      "uses": ["1:6:6"]
+    }],
+  "variables": [{
+      "id": 0,
+      "usr": "c:@N@ns@Foo",
+      "short_name": "Foo",
+      "qualified_name": "ns::Foo",
+      "definition": "1:2:7",
+      "uses": ["1:2:7", "1:7:18", "1:9:10"]
+    }, {
+      "id": 1,
+      "usr": "c:namespace_reference.cc@42@N@ns@F@Accept#I#@a",
+      "short_name": "a",
+      "qualified_name": "a",
+      "definition": "1:3:19",
+      "uses": ["1:3:19"]
+    }]
+}
+*/
+
+
+