66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
/* -*- 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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* Based on LLVM/Clang.
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*
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* This file is distributed under the University of Illinois Open Source
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* License. See LICENSE.TXT for details.
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*
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*/
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#include <cassert>
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#include <string>
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#include <iostream>
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#include <fstream>
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#include "config_clang.h"
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#include "plugin.hxx"
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#include "check.hxx"
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/*
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*/
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namespace
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{
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class OptValue : public loplugin::FilteringPlugin<OptValue>
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{
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public:
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explicit OptValue(loplugin::InstantiationData const& data)
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: FilteringPlugin(data)
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{
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}
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virtual bool preRun() override { return true; }
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virtual void run() override
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{
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if (preRun())
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TraverseDecl(compiler.getASTContext().getTranslationUnitDecl());
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}
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bool VisitCXXMemberCallExpr(const CXXMemberCallExpr*);
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};
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bool OptValue::VisitCXXMemberCallExpr(const CXXMemberCallExpr* topExpr)
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{
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if (ignoreLocation(topExpr))
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return true;
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const CXXMethodDecl* methodDecl = topExpr->getMethodDecl();
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if (!methodDecl)
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return true;
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if (!methodDecl->getIdentifier() || methodDecl->getName() != "value")
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return true;
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auto expr1 = topExpr->getImplicitObjectArgument()->IgnoreImpCasts();
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if (!isa<MaterializeTemporaryExpr>(expr1))
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return true;
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report(DiagnosticsEngine::Warning, "call to OptValue::value()", topExpr->getBeginLoc());
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return true;
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}
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loplugin::Plugin::Registration<OptValue> optvalue("optvalue", false);
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} // namespace
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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