198c41c4fe
Change-Id: I5d6c4a67cb2a09e7cd5bd620c6b262d188701b89 Reviewed-on: https://gerrit.libreoffice.org/34714 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include "check.hxx"
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#include "plugin.hxx"
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class UnoAny:
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public RecursiveASTVisitor<UnoAny>, public loplugin::Plugin
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{
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public:
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explicit UnoAny(InstantiationData const & data): Plugin(data) {}
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void run() override {
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TraverseDecl(compiler.getASTContext().getTranslationUnitDecl());
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}
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bool VisitCXXOperatorCallExpr(CXXOperatorCallExpr const * expr);
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};
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bool UnoAny::VisitCXXOperatorCallExpr(CXXOperatorCallExpr const * expr)
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{
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if (ignoreLocation(expr)) {
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return true;
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}
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StringRef aFileName = compiler.getSourceManager().getFilename(compiler.getSourceManager().getSpellingLoc(expr->getLocStart()));
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if (aFileName == SRCDIR "/include/com/sun/star/uno/Any.hxx") {
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return true;
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}
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if (expr->getOperator() != OO_Equal) {
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return true;
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}
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if (!loplugin::TypeCheck(expr->getArg(0)->getType()).Class("Any").
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Namespace("uno").Namespace("star").Namespace("sun").Namespace("com").GlobalNamespace())
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{
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return true;
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}
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if (auto expr2 = dyn_cast<MaterializeTemporaryExpr>(expr->getArg(1))) {
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if (auto expr3 = dyn_cast<CXXBindTemporaryExpr>(expr2->GetTemporaryExpr())) {
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if (auto expr4 = dyn_cast<CallExpr>(expr3->getSubExpr())) {
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if (loplugin::DeclCheck(expr4->getDirectCallee()).Function("makeAny").
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Namespace("uno").Namespace("star").Namespace("sun").Namespace("com").GlobalNamespace()) {
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report(
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DiagnosticsEngine::Warning,
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"unnecessary copy, rather use <<= operator",
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expr->getOperatorLoc())
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<< expr->getSourceRange();
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return true;
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}
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}
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}
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if (isa<CXXFunctionalCastExpr>(expr2->GetTemporaryExpr())) {
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//expr->getArg(1)->dump();
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report(
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DiagnosticsEngine::Warning,
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"unnecessary copy, rather use <<= operator",
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expr->getOperatorLoc())
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<< expr->getSourceRange();
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return true;
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}
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}
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//expr->getArg(1)->dump();
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return true;
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}
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loplugin::Plugin::Registration<UnoAny> X("unoany");
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/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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