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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.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef LO_CLANG_SHARED_PLUGINS
#include <string>
#include <iostream>
#include <map>
#include <set>
#include "plugin.hxx"
#include "clang/AST/CXXInheritance.h"
/**
* Check for multiple copies of WeakBase in base classes
*/
namespace
{
class WeakBase : public loplugin::FilteringPlugin<WeakBase>
{
public:
explicit WeakBase(loplugin::InstantiationData const& data)
: FilteringPlugin(data)
{
}
bool preRun() override { return compiler.getLangOpts().CPlusPlus; }
void run() override
{
if (preRun())
{
TraverseDecl(compiler.getASTContext().getTranslationUnitDecl());
}
}
bool VisitCXXRecordDecl(CXXRecordDecl const*);
};
bool WeakBase::VisitCXXRecordDecl(CXXRecordDecl const* recordDecl)
{
if (ignoreLocation(recordDecl))
{
return true;
}
// StringRef aFileName = getFilenameOfLocation(
// compiler.getSourceManager().getSpellingLoc(compat::getBeginLoc(fieldDecl)));
// if (loplugin::hasPathnamePrefix(aFileName, SRCDIR "/chart2/source/"))
// return true;
// if (loplugin::isSamePathname(aFileName, SRCDIR "/include/sfx2/recentdocsview.hxx"))
// return true;
// if (loplugin::isSamePathname(aFileName, SRCDIR "/include/sfx2/templatelocalview.hxx"))
// return true;
// if (loplugin::isSamePathname(aFileName, SRCDIR "/store/source/stortree.hxx")
// || loplugin::isSamePathname(aFileName, SRCDIR "/store/source/stordata.hxx"))
// return true;
// if (loplugin::isSamePathname(aFileName, SRCDIR "/sw/source/uibase/inc/dbtree.hxx"))
// return true;
recordDecl = recordDecl->getCanonicalDecl();
if (!recordDecl->hasDefinition())
return true;
int noWeakBases = 0;
std::string basePaths;
auto BaseMatchesCallback = [&](const CXXBaseSpecifier* cxxBaseSpecifier, CXXBasePath& Paths) {
if (!cxxBaseSpecifier->getType().getTypePtr())
return false;
const CXXRecordDecl* baseCXXRecordDecl = cxxBaseSpecifier->getType()->getAsCXXRecordDecl();
if (!baseCXXRecordDecl)
return false;
if (baseCXXRecordDecl->isInvalidDecl())
return false;
if (baseCXXRecordDecl->getName() != "WeakBase")
return false;
++noWeakBases;
std::string sPath;
for (CXXBasePathElement const& pathElement : Paths)
{
if (!sPath.empty())
{
sPath += "->";
}
if (pathElement.Class->hasDefinition())
sPath += pathElement.Class->getNameAsString();
else
sPath += "???";
}
sPath += "->";
sPath += baseCXXRecordDecl->getNameAsString();
if (!basePaths.empty())
basePaths += ", ";
basePaths += sPath;
return false;
};
CXXBasePaths aPaths;
recordDecl->lookupInBases(BaseMatchesCallback, aPaths);
if (noWeakBases > 1)
{
report(DiagnosticsEngine::Warning,
"multiple copies of WeakBase, through inheritance paths %0",
compat::getBeginLoc(recordDecl))
<< basePaths << recordDecl->getSourceRange();
}
return true;
}
loplugin::Plugin::Registration<WeakBase> weakbase("weakbase");
} // namespace
#endif // LO_CLANG_SHARED_PLUGINS
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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