/* -*- 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/. */ #ifndef LO_CLANG_SHARED_PLUGINS #include "check.hxx" #include "compat.hxx" #include "plugin.hxx" // For std::array or std::vector x, replace &x[0] with x.data(). namespace { class Data final : public loplugin::FilteringPlugin { public: explicit Data(loplugin::InstantiationData const& data) : FilteringPlugin(data) { } bool VisitUnaryOperator(UnaryOperator const* expr) { if (ignoreLocation(expr)) { return true; } if (expr->getOpcode() != UO_AddrOf) { return true; } auto const e1 = dyn_cast(expr->getSubExpr()->IgnoreParenImpCasts()); if (e1 == nullptr) { return true; } if (e1->getOperator() != OO_Subscript) { return true; } auto const t = e1->getArg(0)->getType(); auto const chk = loplugin::TypeCheck(t); if (!(chk.Class("array").StdNamespace() || chk.Class("vector").StdNamespace())) { return true; } auto const e2 = e1->getArg(1); if (e2->isValueDependent()) { return true; } APSInt v; if (!compat::EvaluateAsInt(e2, v, compiler.getASTContext())) { return true; } if (v != 0) { return true; } report(DiagnosticsEngine::Warning, "use 'data' member function to access first element of %0", expr->getExprLoc()) << t << expr->getSourceRange(); return true; } bool preRun() override { return compiler.getLangOpts().CPlusPlus; } void run() override { if (preRun()) { TraverseDecl(compiler.getASTContext().getTranslationUnitDecl()); } } }; static loplugin::Plugin::Registration data("data"); } // namespace #endif // LO_CLANG_SHARED_PLUGINS /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ lue='distro/collabora/co-2021'>distro/collabora/co-2021 LibreOffice 核心代码仓库文档基金会
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