/* -*- 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 #include #include #include #include #include "plugin.hxx" #include "check.hxx" #include "compat.hxx" #include "config_clang.h" #include "clang/AST/CXXInheritance.h" #include "clang/AST/StmtVisitor.h" /** Look for places where we are assigning a temporary O[U]String to a std::*string_view, which leads to a view pointing to freed memory. */ namespace { class StringViewDangle : public loplugin::FilteringPlugin { public: explicit StringViewDangle(loplugin::InstantiationData const& data) : FilteringPlugin(data) { } bool preRun() override { return true; } virtual void run() override { if (!preRun()) return; TraverseDecl(compiler.getASTContext().getTranslationUnitDecl()); } bool VisitCXXOperatorCallExpr(CXXOperatorCallExpr const*); bool VisitVarDecl(VarDecl const*); }; static const Expr* IgnoreImplicitAndConversionOperator(const Expr* expr) { expr = expr->IgnoreImplicit(); if (auto memberCall = dyn_cast(expr)) { if (auto conversionDecl = dyn_cast_or_null(memberCall->getMethodDecl())) { if (!conversionDecl->isExplicit()) expr = memberCall->getImplicitObjectArgument()->IgnoreImpCasts(); } } return expr; } bool StringViewDangle::VisitCXXOperatorCallExpr(CXXOperatorCallExpr const* cxxOperatorCallExpr) { if (ignoreLocation(cxxOperatorCallExpr)) return true; auto op = cxxOperatorCallExpr->getOperator(); if (op != OO_Equal) return true; if (!loplugin::TypeCheck(cxxOperatorCallExpr->getType()) .ClassOrStruct("basic_string_view") .StdNamespace()) return true; auto expr = IgnoreImplicitAndConversionOperator(cxxOperatorCallExpr->getArg(1)); auto tc = loplugin::TypeCheck(expr->getType()); if (!tc.Class("OUString").Namespace("rtl").GlobalNamespace() && !tc.Class("OString").Namespace("rtl").GlobalNamespace()) return true; if (!isa(expr)) return true; report(DiagnosticsEngine::Warning, "view pointing into temporary i.e. dangling", cxxOperatorCallExpr->getExprLoc()) << cxxOperatorCallExpr->getSourceRange(); return true; } bool StringViewDangle::VisitVarDecl(VarDecl const* varDecl) { if (ignoreLocation(varDecl)) return true; if (!loplugin::TypeCheck(varDecl->getType()).ClassOrStruct("basic_string_view").StdNamespace()) return true; if (!varDecl->hasInit()) return true; auto expr = IgnoreImplicitAndConversionOperator(varDecl->getInit()); auto tc = loplugin::TypeCheck(expr->getType()); if (!tc.Class("OUString").Namespace("rtl").GlobalNamespace() && !tc.Class("OString").Namespace("rtl").GlobalNamespace()) return true; if (!isa(expr)) return true; report(DiagnosticsEngine::Warning, "view pointing into temporary i.e. dangling", varDecl->getLocation()) << varDecl->getSourceRange(); return true; } loplugin::Plugin::Registration stringviewdangle("stringviewdangle"); } #endif // LO_CLANG_SHARED_PLUGINS /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ suse-4.0.3'>distro/suse/suse-4.0.3 LibreOffice 界面翻译代码仓库文档基金会
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authorRobinson Tryon <qubit@runcibility.com>2015-11-24 05:47:40 -0500
committerRobinson Tryon <qubit@runcibility.com>2015-11-25 01:57:27 -0500
commit9b7a6f9619c88ddee34c8cd1623eccdd7d4a4769 (patch)
tree9c1fecf277ba5ea9818c2f31f5cd90e5bee12e68
parent2c02b59bd90e8fb0f8ab7b2449bf885f7c41f6e7 (diff)
Update translations for master and force-fix errors using pocheck libreoffice-5-1-branch-point
Change-Id: Ia185c1d9ef3b66189ec6b1ab08795fa5f4aaca49
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