/* -*- 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 #include #include #include #include "config_clang.h" #include "compat.hxx" #include "plugin.hxx" #include /** Look for classes that are final i.e. nothing extends them, and have either (a) protected fields or members. or (b) virtual members In the case of (a), those members/fields can be made private. In the case of (b), making the class final means the compiler can devirtualise some method calls The process goes something like this: $ make check $ make FORCE_COMPILE=all COMPILER_PLUGIN_TOOL='finalclasses' check $ ./compilerplugins/clang/finalclasses.py */ namespace { // try to limit the voluminous output a little static std::set inheritedFromSet; static std::map definitionMap; // className -> filename class FinalClasses: public RecursiveASTVisitor, public loplugin::Plugin { public: explicit FinalClasses(loplugin::InstantiationData const & data): Plugin(data) {} virtual void run() override { handler.enableTreeWideAnalysisMode(); TraverseDecl(compiler.getASTContext().getTranslationUnitDecl()); // dump all our output in one write call - this is to try and limit IO "crosstalk" between multiple processes // writing to the same logfile std::string output; for (const std::string & s : inheritedFromSet) output += "inherited-from:\t" + s + "\n"; for (const auto & s : definitionMap) output += "definition:\t" + s.first + "\t" + s.second + "\n"; std::ofstream myfile; myfile.open( WORKDIR "/loplugin.finalclasses.log", std::ios::app | std::ios::out); myfile << output; myfile.close(); } bool shouldVisitTemplateInstantiations () const { return true; } bool shouldVisitImplicitCode() const { return true; } bool VisitCXXRecordDecl( const CXXRecordDecl* decl); private: void checkBase(QualType qt); }; bool ignoreClass(StringRef s) { // ignore stuff in the standard library, and UNO stuff we can't touch. if (compat::starts_with(s, "rtl::") || compat::starts_with(s, "sal::") || compat::starts_with(s, "com::sun::") || compat::starts_with(s, "std::") || compat::starts_with(s, "boost::") || s == "OString" || s == "OUString" || s == "bad_alloc") { return true; } return false; } bool FinalClasses::VisitCXXRecordDecl(const CXXRecordDecl* decl) { if (ignoreLocation(decl)) return true; if (!decl->hasDefinition()) return true; for (auto it = decl->bases_begin(); it != decl->bases_end(); ++it) { const CXXBaseSpecifier spec = *it; checkBase(spec.getType()); } for (auto it = decl->vbases_begin(); it != decl->vbases_end(); ++it) { const CXXBaseSpecifier spec = *it; checkBase(spec.getType()); } if (decl->hasAttr()) return true; bool bFoundVirtual = false; bool bFoundProtected = false; for (auto it = decl->method_begin(); it != decl->method_end(); ++it) { auto i = *it; // ignore methods that are overriding base-class methods, making them private // isn't useful if ( !i->hasAttr() && i->getAccess() == AS_protected ) bFoundProtected = true; if ( i->isVirtual() ) bFoundVirtual = true; } if (!bFoundProtected) { for (auto it = decl->field_begin(); it != decl->field_end(); ++it) { auto i = *it; if ( i->getAccess() == AS_protected ) { bFoundProtected = true; break; } } } if (!bFoundProtected && !bFoundVirtual) return true; std::string s = decl->getQualifiedNameAsString(); if (ignoreClass(s)) return true; SourceLocation spellingLocation = compiler.getSourceManager().getSpellingLoc(decl->getBeginLoc()); auto const filename = getFilenameOfLocation(spellingLocation); auto sourceLocation = filename.substr(strlen(SRCDIR)).str() + ":" + std::to_string(compiler.getSourceManager().getSpellingLineNumber(spellingLocation)); definitionMap.insert( std::pair(s, sourceLocation) ); return true; } void FinalClasses::checkBase(QualType baseType) { // need to look through typedefs, hence the getUnqualifiedDesugaredType baseType = baseType.getDesugaredType(compiler.getASTContext()); std::string x; // so that we get just the template name, excluding the template parameters if (baseType->isRecordType()) x = baseType->getAsCXXRecordDecl()->getQualifiedNameAsString(); else if (auto templateType = baseType->getAs()) x = templateType->getTemplateName().getAsTemplateDecl()->getQualifiedNameAsString(); else x = baseType.getAsString(); inheritedFromSet.insert( x ); } loplugin::Plugin::Registration< FinalClasses > X("finalclasses", false); } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ tion value='distro/collabora/lov-6.1'>distro/collabora/lov-6.1 LibreOffice 核心代码仓库文档基金会

path: root/dbaccess/Makefile

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