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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* Based on LLVM/Clang.
*
* This file is distributed under the University of Illinois Open Source
* License. See LICENSE.TXT for details.
*
*/
#ifndef LO_CLANG_SHARED_PLUGINS
#include <cassert>
#include <string>
#include <iostream>
#include <fstream>
#include <set>
#include <unordered_set>
#include "plugin.hxx"
#include "check.hxx"
/*
Check for places where we end up with more than one copy of cppu::OweakObject in a class, which
really should not happen - we should be using one of the AggImplInheritanceHelper classes then
to inherit.
*/
namespace
{
class WeakObject : public loplugin::FilteringPlugin<WeakObject>
{
public:
explicit WeakObject(loplugin::InstantiationData const& data)
: FilteringPlugin(data)
{
}
virtual bool preRun() override
{
return true;
}
virtual void run() override
{
if (preRun())
TraverseDecl(compiler.getASTContext().getTranslationUnitDecl());
}
bool VisitCXXRecordDecl( const CXXRecordDecl* decl);
};
bool WeakObject::VisitCXXRecordDecl(const CXXRecordDecl* decl)
{
if (ignoreLocation(decl))
return true;
if (!decl->hasDefinition())
return true;
if (decl->hasAnyDependentBases())
return true;
int cnt = 0;
decl->forallBases(
[&cnt] (const CXXRecordDecl *BaseDefinition) -> bool
{
if (loplugin::DeclCheck(BaseDefinition).Class("OWeakObject").Namespace("cppu").GlobalNamespace())
++cnt;
return true;
});
if (cnt < 2)
return true;
report(DiagnosticsEngine::Warning, "more than one copy of cppu::OWeakObject inherited",
decl->getBeginLoc())
<< decl->getSourceRange();
return true;
}
loplugin::Plugin::Registration<WeakObject> weakobject("weakobject", false);
} // namespace
#endif // LO_CLANG_SHARED_PLUGINS
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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