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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef VIRTUAL_METHODS_H_
#define VIRTUAL_METHODS_H_
// Note: This is not actual windows.h but the stub file in system/windows.h
#include <windows.h>
#define CR_BEGIN_MSG_MAP_EX(theClass) virtual int f() { return 4; }
#define BEGIN_SAFE_MSG_MAP_EX(theClass) virtual int g() { return 4; }
// Should warn about virtual method usage.
class VirtualMethodsInHeaders {
public:
// Don't complain about these.
virtual void MethodIsAbstract() = 0;
virtual void MethodHasNoArguments();
virtual void MethodHasEmptyDefaultImpl() {}
// But complain about this:
virtual bool ComplainAboutThis() { return true; }
SYSTEM_INLINE_VIRTUAL
CR_BEGIN_MSG_MAP_EX(Sub)
BEGIN_SAFE_MSG_MAP_EX(Sub)
};
// Complain on missing 'virtual' keyword in overrides.
class WarnOnMissingVirtual : public VirtualMethodsInHeaders {
public:
void MethodHasNoArguments() override;
};
// Don't complain about things in a 'testing' namespace.
namespace testing {
struct TestStruct {};
} // namespace testing
class VirtualMethodsInHeadersTesting : public VirtualMethodsInHeaders {
public:
// Complain about missing 'override' in testing classes.
void MethodHasNoArguments();
// Don't complain about non-empty inline definition in testing classes.
bool ComplainAboutThis() override { return true; }
private:
testing::TestStruct tester_;
};
#endif // VIRTUAL_METHODS_H_