/* -*- 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 <memory>
#include <cassert>
#include <string>
#include <iostream>
#include <fstream>
#include <set>
#include "check.hxx"
#include "plugin.hxx"
/**
Check for calls to operator = = on a std : : container < std : : unique_ptr > , which is not useful ,
because std : : container will compare the pointers so it is never true
*/
namespace {
class PtrVector:
public loplugin::FilteringPlugin<PtrVector>
{
public :
explicit PtrVector(loplugin::InstantiationData const & data): FilteringPlugin(data)
{}
virtual void run() override
{
if (preRun())
TraverseDecl(compiler.getASTContext().getTranslationUnitDecl());
}
bool shouldVisitTemplateInstantiations () const { return true ; }
bool VisitCXXOperatorCallExpr(const CXXOperatorCallExpr* );
};
bool PtrVector::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr* expr)
{
if (ignoreLocation(expr)) {
return true ;
}
if (expr->getOperator() != clang::OverloadedOperatorKind::OO_EqualEqual
&& expr->getOperator() != clang::OverloadedOperatorKind::OO_ExclaimEqual)
{
return true ;
}
if (isa<CXXNullPtrLiteralExpr>(expr->getArg(1 ))) {
return true ;
}
const Expr* argExpr = expr->getArg(0 );
std::string s = argExpr->getType().getDesugaredType(compiler.getASTContext()).getAsString();
if (s.find("iterator" ) != std::string::npos
|| (loplugin::TypeCheck(argExpr->getType()).Class ("__wrap_iter" ).Namespace ("__1" )
.StdNamespace()))
{
return true ;
}
if (s.find("array" ) == std::string::npos && s.find("deque" ) == std::string::npos
&& s.find("list" ) == std::string::npos && s.find("vector" ) == std::string::npos
&& s.find("set" ) == std::string::npos && s.find("map" ) == std::string::npos
&& s.find("stack" ) == std::string::npos && s.find("queue" ) == std::string::npos)
{
return true ;
}
if (s.find("unique_ptr" ) != std::string::npos) {
expr->getArg(1 )->dump();
report(
DiagnosticsEngine::Warning,
"do not call operator== on a std container containing a unique_ptr " + s,
expr->getExprLoc());
}
return true ;
}
loplugin::Plugin::Registration< PtrVector > ptrvector("ptrvector" );
} // namespace
#endif // LO_CLANG_SHARED_PLUGINS
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=93 H=100 G=96
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-09-29)
¤
*© Formatika GbR, Deutschland