tools/clang/plugins/tests/virtual_bodies.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef VIRTUAL_METHODS_H_
   6 #define VIRTUAL_METHODS_H_
   7
   8 // Note: This is not actual windows.h but the stub file in system/windows.h
   9 #include <windows.h>
  10
  11 #define CR_BEGIN_MSG_MAP_EX(theClass) virtual int f() { return 4; }
  12 #define BEGIN_SAFE_MSG_MAP_EX(theClass) virtual int g() { return 4; }
  13
  14 // Should warn about virtual method usage.
  15 class VirtualMethodsInHeaders {
  16  public:
  17   // Don't complain about these.
  18   virtual void MethodIsAbstract() = 0;
  19   virtual void MethodHasNoArguments();
  20   virtual void MethodHasEmptyDefaultImpl() {}
  21
  22   // But complain about this:
  23   virtual bool ComplainAboutThis() { return true; }
  24
  25   SYSTEM_INLINE_VIRTUAL
  26   CR_BEGIN_MSG_MAP_EX(Sub)
  27   BEGIN_SAFE_MSG_MAP_EX(Sub)
  28 };
  29
  30 // Complain on missing 'virtual' keyword in overrides.
  31 class WarnOnMissingVirtual : public VirtualMethodsInHeaders {
  32  public:
  33   void MethodHasNoArguments() override;
  34 };
  35
  36 // Don't complain about things in a 'testing' namespace.
  37 namespace testing {
  38 struct TestStruct {};
  39 }  // namespace testing
  40
  41 class VirtualMethodsInHeadersTesting : public VirtualMethodsInHeaders {
  42  public:
  43   // Don't complain about no virtual testing methods.
  44   void MethodHasNoArguments();
  45
  46  private:
  47   testing::TestStruct tester_;
  48 };
  49
  50 #endif  // VIRTUAL_METHODS_H_