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