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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* 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 "check.hxx"
#include "compat.hxx"
#include "plugin.hxx"
namespace {
class RedundantCopy final:
public RecursiveASTVisitor<RedundantCopy>, public loplugin::Plugin
{
public:
explicit RedundantCopy(loplugin::InstantiationData const & data):
Plugin(data) {}
bool VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr const * expr) {
if (ignoreLocation(expr)) {
return true;
}
auto const t1 = expr->getTypeAsWritten();
auto const t2 = compat::getSubExprAsWritten(expr)->getType();
if (t1.getCanonicalType().getTypePtr()
!= t2.getCanonicalType().getTypePtr())
{
return true;
}
auto tc = loplugin::TypeCheck(t1);
if (!(tc.Class("OUString").Namespace("rtl").GlobalNamespace()
|| tc.Class("unique_ptr").StdNamespace()))
{
return true;
}
report(
DiagnosticsEngine::Warning,
"redundant copy construction from %0 to %1", expr->getExprLoc())
<< t2 << t1 << expr->getSourceRange();
return true;
}
private:
void run() override {
if (compiler.getLangOpts().CPlusPlus) {
TraverseDecl(compiler.getASTContext().getTranslationUnitDecl());
}
}
};
static loplugin::Plugin::Registration<RedundantCopy> reg("redundantcopy");
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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