2018-06-22 04:56:37 -05:00
|
|
|
/* -*- 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/.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <memory>
|
|
|
|
#include <cassert>
|
|
|
|
#include <string>
|
|
|
|
#include <iostream>
|
|
|
|
#include <fstream>
|
|
|
|
#include <set>
|
|
|
|
#include "plugin.hxx"
|
|
|
|
#include "check.hxx"
|
|
|
|
|
|
|
|
namespace
|
|
|
|
{
|
|
|
|
class SimplifyConstruct : public RecursiveASTVisitor<SimplifyConstruct>, public loplugin::Plugin
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
explicit SimplifyConstruct(loplugin::InstantiationData const& data)
|
|
|
|
: Plugin(data)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
virtual void run() override { TraverseDecl(compiler.getASTContext().getTranslationUnitDecl()); }
|
|
|
|
|
|
|
|
bool VisitCXXConstructExpr(CXXConstructExpr const*);
|
|
|
|
|
|
|
|
// ignore some contexts within which nullptr is fine
|
|
|
|
bool TraverseReturnStmt(ReturnStmt*) { return true; }
|
|
|
|
bool TraverseInitListExpr(InitListExpr*) { return true; }
|
|
|
|
bool TraverseCXXBindTemporaryExpr(CXXBindTemporaryExpr*) { return true; }
|
|
|
|
};
|
|
|
|
|
|
|
|
bool SimplifyConstruct::VisitCXXConstructExpr(CXXConstructExpr const* constructExpr)
|
|
|
|
{
|
|
|
|
if (ignoreLocation(constructExpr))
|
|
|
|
return true;
|
|
|
|
auto tc = loplugin::TypeCheck(constructExpr->getType());
|
|
|
|
if (!tc.Class("unique_ptr").StdNamespace() && !tc.Class("shared_ptr").StdNamespace()
|
|
|
|
&& !tc.Class("SvRef").Namespace("tools").GlobalNamespace()
|
|
|
|
&& !tc.Class("Reference").Namespace("rtl").GlobalNamespace()
|
|
|
|
&& !tc.Class("Reference")
|
|
|
|
.Namespace("uno")
|
|
|
|
.Namespace("star")
|
|
|
|
.Namespace("sun")
|
|
|
|
.Namespace("com")
|
|
|
|
.GlobalNamespace())
|
|
|
|
return true;
|
2018-09-13 06:31:41 -05:00
|
|
|
if (constructExpr->getNumArgs() == 1
|
2018-06-22 04:56:37 -05:00
|
|
|
&& isa<CXXNullPtrLiteralExpr>(constructExpr->getArg(0)->IgnoreParenImpCasts()))
|
|
|
|
{
|
|
|
|
report(DiagnosticsEngine::Warning,
|
2018-09-13 14:21:20 -05:00
|
|
|
"no need to explicitly init an instance of %0 with nullptr, just use default "
|
|
|
|
"constructor",
|
2018-06-22 04:56:37 -05:00
|
|
|
constructExpr->getSourceRange().getBegin())
|
2018-09-13 14:21:20 -05:00
|
|
|
<< constructExpr->getType() << constructExpr->getSourceRange();
|
2018-06-22 04:56:37 -05:00
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
loplugin::Plugin::Registration<SimplifyConstruct> X("simplifyconstruct", true);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|