/* -*- 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 "plugin.hxx"
namespace {
class DerefNullPtr:
public loplugin::FilteringPlugin<DerefNullPtr>
{
public :
explicit DerefNullPtr(loplugin::InstantiationData const & data):
FilteringPlugin(data) {}
void run() override
{ TraverseDecl(compiler.getASTContext().getTranslationUnitDecl()); }
bool VisitUnaryOperator(UnaryOperator const * op);
};
bool DerefNullPtr::VisitUnaryOperator(UnaryOperator const * op) {
if (op->getOpcode() != UO_Deref) {
return true ;
}
if (!ignoreLocation(op)
&& (op->getSubExpr()->IgnoreParenCasts()->isNullPointerConstant(
compiler.getASTContext(), Expr::NPC_ValueDependentIsNotNull/*TODO*/)
!= Expr::NPCK_NotNull))
{
report(
DiagnosticsEngine::Warning, "null pointer dereference" ,
op->getBeginLoc())
<< op->getSourceRange();
}
return true ;
}
loplugin::Plugin::Registration<DerefNullPtr> derefnullptr("derefnullptr" );
}
#endif // LO_CLANG_SHARED_PLUGINS
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=89 H=100 G=94
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-09-29)
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