diff options
Diffstat (limited to 'compilerplugins/clang/useuniqueptr.cxx')
| -rw-r--r-- | compilerplugins/clang/useuniqueptr.cxx | 1295 |
1 files changed, 1295 insertions, 0 deletions
diff --git a/compilerplugins/clang/useuniqueptr.cxx b/compilerplugins/clang/useuniqueptr.cxx new file mode 100644 index 0000000000..cf4853f03b --- /dev/null +++ b/compilerplugins/clang/useuniqueptr.cxx @@ -0,0 +1,1295 @@ +/* -*- 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 <memory> +#include <cassert> +#include <string> +#include <iostream> +#include <fstream> +#include <set> +#include "config_clang.h" +#include "plugin.hxx" +#include "check.hxx" + +/** + Find destructors that only contain a single call to delete of a field. In which + case that field should really be managed by unique_ptr. +*/ + +namespace { + +class UseUniquePtr: + public loplugin::FilteringPlugin<UseUniquePtr> +{ +public: + explicit UseUniquePtr(loplugin::InstantiationData const & data): + FilteringPlugin(data) {} + + virtual void run() override + { + fn = handler.getMainFileName().str(); + loplugin::normalizeDotDotInFilePath(fn); + // can't change these because we pass them down to the SfxItemPool stuff + if (fn == SRCDIR "/sc/source/core/data/docpool.cxx") + return; + // this just too clever for me + if (fn == SRCDIR "/sc/source/core/tool/chgtrack.cxx") + return; + // too clever + if (fn == SRCDIR "/pyuno/source/module/pyuno_runtime.cxx") + return; + // m_pExampleSet here is very badly managed. sometimes it is owning, sometimes not, + // and the logic depends on overriding methods. + if (fn == SRCDIR "/sfx2/source/dialog/tabdlg.cxx") + return; + // pLongArr is being deleted here because we temporarily overwrite a pointer to someone else's buffer, with a pointer + // to our own buffer + if (fn == SRCDIR "/editeng/source/misc/txtrange.cxx") + return; + // can't use std::set<std::unique_ptr<>> until C++14 + if (fn == SRCDIR "/editeng/source/misc/svxacorr.cxx") + return; + // horrible horrible spawn of evil ownership and deletion here + if (fn == SRCDIR "/sfx2/source/view/ipclient.cxx") + return; + // sometimes it owns, sometimes it doesn't + if (fn == SRCDIR "/editeng/source/misc/svxacorr.cxx") + return; + // SwDoc::m_PageDescs has weird handling + if (fn == SRCDIR "/sw/source/core/doc/docnew.cxx") + return; + // SwRedlineData::pNext and pExtraData have complex handling + if (fn == SRCDIR "/sw/source/core/doc/docredln.cxx") + return; + // ScTempDocSource::pTempDoc + if (fn == SRCDIR "/sc/source/ui/unoobj/funcuno.cxx") + return; + // SwAttrIter::m_pFont + if (fn == SRCDIR "/sw/source/core/text/itratr.cxx" + || fn == SRCDIR "/sw/source/core/text/redlnitr.cxx") + return; + // SwWrongList + if (fn == SRCDIR "/sw/source/core/text/wrong.cxx") + return; + // SwLineLayout::m_pNext + if (fn == SRCDIR "/sw/source/core/text/porlay.cxx") + return; + // ODatabaseExport::m_aDestColumns + if (fn == SRCDIR "/dbaccess/source/ui/misc/DExport.cxx") + return; + // ScTabView::pDrawActual and pDrawOld + if (fn == SRCDIR "/sc/source/ui/view/tabview5.cxx") + return; + // SwHTMLParser::m_pPendStack + if (fn == SRCDIR "/sw/source/filter/html/htmlcss1.cxx") + return; + // Visual Studio 2017 has trouble with these + if (fn == SRCDIR "/comphelper/source/property/MasterPropertySet.cxx" + || fn == SRCDIR "/comphelper/source/property/MasterPropertySetInfo.cxx") + return; + // SwTableLine::m_aBoxes + if (fn == SRCDIR "/sw/source/core/table/swtable.cxx") + return; + // SwHTMLParser::m_pFormImpl + if (fn == SRCDIR "/sw/source/filter/html/htmlform.cxx") + return; + // SwHTMLParser::m_pPendStack, pNext + if (fn == SRCDIR "/sw/source/filter/html/htmltab.cxx") + return; + // SaveLine::pBox, pNext + if (fn == SRCDIR "/sw/source/core/undo/untbl.cxx") + return; + // RedlineInfo::pNextRedline + if (fn == SRCDIR "/sw/source/filter/xml/XMLRedlineImportHelper.cxx") + return; + // SfxObjectShell::pMedium + if (fn == SRCDIR "/sfx2/source/doc/objxtor.cxx") + return; + // various + if (fn == SRCDIR "/sw/source/filter/ww8/wrtww8.cxx") + return; + // WW8TabBandDesc + if (fn == SRCDIR "/sw/source/filter/ww8/ww8par2.cxx") + return; + // ZipOutputStream, ownership of ZipEntry is horribly complicated here + if (fn == SRCDIR "/package/source/zipapi/ZipOutputStream.cxx") + return; + // custom deleter + if (fn == SRCDIR "/sal/rtl/locale.cxx") + return; + // std::vector<ScLookupCacheMap*> is tricky, changing it would require moving lots of class definitions around + if (fn == SRCDIR "/sc/source/core/data/documen2.cxx" + || fn == SRCDIR "/sc/source/core/tool/interpretercontext.cxx") + return; + + TraverseDecl(compiler.getASTContext().getTranslationUnitDecl()); + } + + bool VisitFunctionDecl(const FunctionDecl* ); + bool VisitCXXDeleteExpr(const CXXDeleteExpr* ); + bool TraverseFunctionDecl(FunctionDecl* ); + bool TraverseCXXDeductionGuideDecl(CXXDeductionGuideDecl* ); + bool TraverseCXXMethodDecl(CXXMethodDecl* ); + bool TraverseCXXConstructorDecl(CXXConstructorDecl* ); + bool TraverseCXXConversionDecl(CXXConversionDecl* ); + bool TraverseCXXDestructorDecl(CXXDestructorDecl* ); + bool TraverseConstructorInitializer(CXXCtorInitializer*); + +private: + void CheckCompoundStmt(const FunctionDecl*, const CompoundStmt* ); + void CheckIfStmt(const FunctionDecl*, const IfStmt* ); + void CheckCXXForRangeStmt(const FunctionDecl*, const CXXForRangeStmt* ); + void CheckLoopDelete(const FunctionDecl*, const Stmt* ); + void CheckLoopDelete(const FunctionDecl*, const CXXDeleteExpr* ); + void CheckDeleteExpr(const FunctionDecl*, const CXXDeleteExpr*); + void CheckDeleteLocalVar(const FunctionDecl*, const CXXDeleteExpr*, const VarDecl*); + void CheckDeleteParmVar(const CXXDeleteExpr*, const ParmVarDecl*); + void CheckParenExpr(const FunctionDecl*, const ParenExpr*); + void CheckMemberDeleteExpr(const FunctionDecl*, const CXXDeleteExpr*, + const MemberExpr*, StringRef message); + FunctionDecl const * mpCurrentFunctionDecl = nullptr; + std::string fn; +}; + +bool UseUniquePtr::VisitFunctionDecl(const FunctionDecl* functionDecl) +{ + if (ignoreLocation(functionDecl)) + return true; + if (isInUnoIncludeFile(functionDecl)) + return true; + + const CompoundStmt* compoundStmt = dyn_cast_or_null< CompoundStmt >( functionDecl->getBody() ); + if (!compoundStmt || compoundStmt->size() == 0) + return true; + + CheckCompoundStmt(functionDecl, compoundStmt); + + return true; +} + +/** + * check for simple call to delete i.e. direct unconditional call, or if-guarded call + */ +void UseUniquePtr::CheckCompoundStmt(const FunctionDecl* functionDecl, const CompoundStmt* compoundStmt) +{ + for (auto i = compoundStmt->body_begin(); i != compoundStmt->body_end(); ++i) + { + if (auto cxxForRangeStmt = dyn_cast<CXXForRangeStmt>(*i)) + CheckCXXForRangeStmt(functionDecl, cxxForRangeStmt); + else if (auto forStmt = dyn_cast<ForStmt>(*i)) + CheckLoopDelete(functionDecl, forStmt->getBody()); + else if (auto whileStmt = dyn_cast<WhileStmt>(*i)) + CheckLoopDelete(functionDecl, whileStmt->getBody()); + // check for unconditional inner compound statements + else if (auto innerCompoundStmt = dyn_cast<CompoundStmt>(*i)) + CheckCompoundStmt(functionDecl, innerCompoundStmt); + else if (auto deleteExpr = dyn_cast<CXXDeleteExpr>(*i)) + CheckDeleteExpr(functionDecl, deleteExpr); + else if (auto parenExpr = dyn_cast<ParenExpr>(*i)) + CheckParenExpr(functionDecl, parenExpr); + else if (auto ifStmt = dyn_cast<IfStmt>(*i)) + CheckIfStmt(functionDecl, ifStmt); + } +} + +// Check for conditional deletes like: +// if (m_pField != nullptr) delete m_pField; +void UseUniquePtr::CheckIfStmt(const FunctionDecl* functionDecl, const IfStmt* ifStmt) +{ + auto cond = ifStmt->getCond()->IgnoreImplicit(); + if (auto ifCondMemberExpr = dyn_cast<MemberExpr>(cond)) + { + // ignore "if (bMine)" + if (!loplugin::TypeCheck(ifCondMemberExpr->getType()).Pointer()) + return; + // good + } + else if (auto binaryOp = dyn_cast<BinaryOperator>(cond)) + { + if (!isa<MemberExpr>(binaryOp->getLHS()->IgnoreImplicit())) + return; + if (!isa<CXXNullPtrLiteralExpr>(binaryOp->getRHS()->IgnoreImplicit())) + return; + // good + } + else // ignore anything more complicated + return; + + auto deleteExpr = dyn_cast<CXXDeleteExpr>(ifStmt->getThen()); + if (deleteExpr) + { + CheckDeleteExpr(functionDecl, deleteExpr); + return; + } + + auto parenExpr = dyn_cast<ParenExpr>(ifStmt->getThen()); + if (parenExpr) + { + CheckParenExpr(functionDecl, parenExpr); + return; + } + + auto ifThenCompoundStmt = dyn_cast<CompoundStmt>(ifStmt->getThen()); + if (!ifThenCompoundStmt) + return; + for (auto j = ifThenCompoundStmt->body_begin(); j != ifThenCompoundStmt->body_end(); ++j) + { + auto ifDeleteExpr = dyn_cast<CXXDeleteExpr>(*j); + if (ifDeleteExpr) + CheckDeleteExpr(functionDecl, ifDeleteExpr); + ParenExpr const * parenExpr = dyn_cast<ParenExpr>(*j); + if (parenExpr) + CheckParenExpr(functionDecl, parenExpr); + } +} + +void UseUniquePtr::CheckDeleteExpr(const FunctionDecl* functionDecl, const CXXDeleteExpr* deleteExpr) +{ + auto deleteExprArg = deleteExpr->getArgument()->IgnoreParens()->IgnoreImplicit(); + + + if (const MemberExpr* memberExpr = dyn_cast<MemberExpr>(deleteExprArg)) + { + // ignore delete static_cast<T>(p)->other; + if (!isa<CXXThisExpr>(memberExpr->getBase()->IgnoreCasts())) + return; + // don't always own this + if (fn == SRCDIR "/editeng/source/editeng/impedit2.cxx") + return; + // this member needs to get passed via an extern "C" API + if (fn == SRCDIR "/sd/source/filter/sdpptwrp.cxx") + return; + // ownership complicated between this and the group + if (fn == SRCDIR "/sc/source/core/data/formulacell.cxx") + return; + // linked list + if (fn == SRCDIR "/sw/source/filter/html/parcss1.cxx") + return; + // linked list + if (fn == SRCDIR "/sw/source/filter/writer/writer.cxx") + return; + // complicated + if (fn == SRCDIR "/sc/source/filter/html/htmlpars.cxx") + return; + // complicated pimpl stuff in SalLayoutGlyphs + if (fn == SRCDIR "/vcl/source/gdi/impglyphitem.cxx") + return; + + CheckMemberDeleteExpr(functionDecl, deleteExpr, memberExpr, + "unconditional call to delete on a member, should be using std::unique_ptr"); + return; + } + + const ArraySubscriptExpr* arrayExpr = dyn_cast<ArraySubscriptExpr>(deleteExprArg); + if (arrayExpr) + { + auto baseMemberExpr = dyn_cast<MemberExpr>(arrayExpr->getBase()->IgnoreParens()->IgnoreImplicit()); + if (baseMemberExpr) + CheckMemberDeleteExpr(functionDecl, deleteExpr, baseMemberExpr, + "unconditional call to delete on an array member, should be using std::unique_ptr"); + } +} + +template<typename T> +bool any_equal(StringRef needle, T first) { + return needle == first; +} + +template<typename T, typename... Args> +bool any_equal(StringRef needle, T first, Args... args) { + return needle == first || any_equal(needle, args...); +} + +void UseUniquePtr::CheckDeleteLocalVar(const FunctionDecl* functionDecl, const CXXDeleteExpr* deleteExpr, const VarDecl* varDecl) +{ + // ignore globals for now + if (varDecl->hasGlobalStorage()) + return; + + // Ignore times when we are casting from void* to init the var, normally indicates + // some complex memory management. + if (varDecl->getInit()) + { + if (auto explicitCast = dyn_cast<ExplicitCastExpr>(varDecl->getInit())) + { + if (loplugin::TypeCheck(explicitCast->getSubExpr()->getType()).Pointer().Void()) + return; + } + } + + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/sal/qa/")) + return; + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/comphelper/qa/")) + return; + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/cppuhelper/qa/")) + return; + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/libreofficekit/qa/")) + return; + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/vcl/qa/")) + return; + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/sc/qa/")) + return; + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/sfx2/qa/")) + return; + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/smoketest/")) + return; + if (loplugin::hasPathnamePrefix(fn, WORKDIR)) + return; + // linked lists + if (fn == SRCDIR "/vcl/source/gdi/regband.cxx") + return; + // this thing relies on explicit delete + if (loplugin::TypeCheck(varDecl->getType()).Pointer().Class("VersionCompatRead").GlobalNamespace()) + return; + if (loplugin::TypeCheck(varDecl->getType()).Pointer().Class("VersionCompatWrite").GlobalNamespace()) + return; + if (loplugin::TypeCheck(varDecl->getType()).Pointer().Class("IMapCompat").GlobalNamespace()) + return; + // passing data to gtk API and I can't figure out the types + if (fn == SRCDIR "/vcl/unx/gtk3/gtkdata.cxx") + return; + // sometimes this stuff is held by tools::SvRef, sometimes by std::unique_ptr... + if (fn == SRCDIR "/sot/source/unoolestorage/xolesimplestorage.cxx") + return; + // don't feel like messing with this chunk of sfx2 + if (fn == SRCDIR "/sfx2/source/appl/appinit.cxx") + return; + if (fn == SRCDIR "/svx/source/svdraw/svdobj.cxx") + return; + if (fn == SRCDIR "/svx/source/svdraw/svdmodel.cxx") + return; + // linked list + if (fn == SRCDIR "/basic/source/comp/parser.cxx") + return; + if (fn == SRCDIR "/basic/source/runtime/runtime.cxx") + return; + // just horrible + if (fn == SRCDIR "/svx/source/form/filtnav.cxx") + return; + // using clucene macros + if (fn == SRCDIR "/helpcompiler/source/HelpSearch.cxx") + return; + // linked list + if (fn == SRCDIR "/filter/source/graphicfilter/ios2met/ios2met.cxx") + return; + // no idea what this is trying to do + if (fn == SRCDIR "/cui/source/customize/SvxMenuConfigPage.cxx") + return; + // I cannot follow the ownership of OSQLParseNode's + if (fn == SRCDIR "/dbaccess/source/core/api/SingleSelectQueryComposer.cxx") + return; + if (fn == SRCDIR "/dbaccess/source/ui/querydesign/SelectionBrowseBox.cxx") + return; + // linked list + if (fn == SRCDIR "/formula/source/core/api/FormulaCompiler.cxx") + return; + // smuggling data around via SvxFontListItem + if (fn == SRCDIR "/extensions/source/propctrlr/fontdialog.cxx") + return; + // atomics + if (fn == SRCDIR "/sc/source/ui/docshell/documentlinkmgr.cxx") + return; + // finicky + if (fn == SRCDIR "/sc/source/core/data/stlpool.cxx") + return; + // macros + if (fn == SRCDIR "/sc/source/core/tool/autoform.cxx") + return; + // unsure about ownership + if (fn == SRCDIR "/xmlsecurity/source/framework/saxeventkeeperimpl.cxx") + return; + // ScTokenArray ownership complicated between this and the group + if (fn == SRCDIR "/sc/source/core/data/formulacell.cxx") + return; + // macros + if (fn == SRCDIR "/sw/source/core/doc/tblafmt.cxx") + return; + // more ScTokenArray + if (fn == SRCDIR "/sc/source/ui/unoobj/tokenuno.cxx") + return; + // SwDoc::DelTextFormatColl + if (fn == SRCDIR "/sw/source/core/doc/docfmt.cxx") + return; + // SwRootFrame::CalcFrameRects + if (fn == SRCDIR "/sw/source/core/layout/trvlfrm.cxx") + return; + // crazy code + if (fn == SRCDIR "/sw/source/core/undo/SwUndoPageDesc.cxx") + return; + // unsure about the SwLinePortion ownership + if (fn == SRCDIR "/sw/source/core/text/itrform2.cxx") + return; + // can't follow the ownership + if (fn == SRCDIR "/sw/source/filter/html/htmlatr.cxx") + return; + // SwTextFormatter::BuildMultiPortion complicated + if (fn == SRCDIR "/sw/source/core/text/pormulti.cxx") + return; + // SwXMLExport::ExportTableLines + if (fn == SRCDIR "/sw/source/filter/xml/xmltble.cxx") + return; + // SwPagePreview::~SwPagePreview + if (fn == SRCDIR "/sw/source/uibase/uiview/pview.cxx") + return; + // alloc/free routines for the hand constructed virtual function table + if (fn == SRCDIR "/sal/textenc/convertisciidevangari.cxx") + return; + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/bridges/")) + return; + // bootstrap_map + if (fn == SRCDIR "/sal/rtl/bootstrap.cxx") + return; + // too complicated for my small brain + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/cppu/")) + return; + // linked list + if (fn == SRCDIR "/vcl/source/gdi/octree.cxx") + return; + // linked list + if (fn == SRCDIR "/vcl/source/filter/graphicfilter.cxx") + return; + // linked list + if (fn == SRCDIR "/svtools/source/control/ctrltool.cxx") + return; + // complicated + if (fn == SRCDIR "/sfx2/source/control/msgpool.cxx") + return; + // complicated + if (fn == SRCDIR "/svx/source/sdr/contact/objectcontact.cxx") + return; + // complicated + if (fn == SRCDIR "/cui/source/customize/cfg.cxx") + return; + // linked list + if (fn == SRCDIR "/lotuswordpro/source/filter/lwpfribptr.cxx") + return; + // complicated + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/connectivity/source/drivers/file/")) + return; + // complicated + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/unodevtools/source/skeletonmaker/")) + return; + + llvm::StringRef parentName; + if (auto cxxMethodDecl = dyn_cast<CXXMethodDecl>(functionDecl)) + { + parentName = cxxMethodDecl->getParent()->getName(); + } + + // no idea what is going on here + if (parentName == "ScChangeActionLinkEntry") + return; + // ok + if (parentName == "SfxItemSet" || parentName == "SfxItemPool") + return; + // linked list + if (parentName == "ScFunctionList" || parentName == "SwNodes" + || parentName == "SwUnoCursor" || parentName == "SortedResultSet" + || parentName == "Atom" || parentName == "RegionBand" || parentName == "WMFWriter" + || parentName == "Scheduler" || parentName == "OpenGLContext" + || parentName == "WizardDialog") + return; + // manual ref counting + if (parentName == "ScBroadcastAreaSlot") + return; + // complicated + if (any_equal(parentName, "SwFormatField", "FontPropertyBox", "SdFontPropertyBox", + "SwHTMLParser", "PDFWriterImpl", "SbiParser", "DictionaryList", "SwGlossaryHdl", "SwGlossaryGroupDlg")) + return; + // ok + if (any_equal(parentName, "SbTreeListBox")) + return; + + if (functionDecl->getIdentifier()) + { + auto name = functionDecl->getName(); + SmallString<256> buf; + if (!parentName.empty()) + name = (parentName + "::" + name).toStringRef(buf); + + // custom deleters + if (name == "Proxy_free" || name == "s_free" || name == "binuno_proxy_free") + return; + if (name == "SvpSalFrame::ReleaseGraphics") + return; + // don't feel like changing the API functions in registry + if (name == "createRegistry" || name == "openRegistry" || name == "closeRegistry" || name == "destroyRegistry" + || name == "reg_openRegistry") + return; + // linked list + if (any_equal(name, "TypeWriter::createBlop", "ImplDeleteConfigData", "Config::DeleteGroup", + "Config::DeleteKey", "E3dView::DoDepthArrange", + "DXFBlocks::Clear", "DXFTables::Clear", "DXFEntities::Clear", + "PSWriter::WritePS", "PSWriter::ImplWriteActions", "CUtList::Destroy", + "ScBroadcastAreaSlotMachine::UpdateBroadcastAreas")) + return; + // ok + if (any_equal(name, "write_uInt16s_FromOUString", "ProgressMonitor::removeText", + "StgDirEntry::SetSize", "UCBStorage::CopyStorageElement_Impl" + "OutputDevice::ImplDrawPolyPolygon", "OutputDevice::ImplDrawPolyPolygon", + "ImplListBox::InsertEntry", "Edit::dispose", + "ViewContact::deleteAllVOCs", "SfxViewFrame::ReleaseObjectShell_Impl", + "SfxViewFrame::SwitchToViewShell_Impl", "OfaSmartTagOptionsTabPage::ClearListBox", + "OfaSmartTagOptionsTabPage::FillItemSet", "doc_destroy", "lo_destroy", + "callColumnFormatDialog")) + return; + // very dodgy + if (any_equal(name, "UCBStorage::OpenStorage_Impl", "SdTransferable::GetData")) + return; + // complicated ownership + if (any_equal(name, "ParseCMAP", "OpenGLSalBitmap::CreateTexture", "X11SalGraphicsImpl::drawAlphaBitmap" + "SvEmbedTransferHelper::GetData", "ORoadmap::dispose", + "BrowseBox::SetMode", "ExportDialog::GetFilterData", "disposeComVariablesForBasic", + "ImpEditEngine::ImpRemoveParagraph", "FactoryImpl::createAdapter", + "SfxStateCache::SetVisibleState", "SfxBindings::QueryState", + "ViewContact::deleteAllVOCs", "SvxMSDffManager::ProcessObj", "SvEmbedTransferHelper::GetData", + "SvXMLExportPropertyMapper::Filter_", "SdXMLExport::ImpGetOrCreatePageMasterInfo", + "SfxDocumentDescPage::FillItemSet", "SfxCustomPropertiesPage::FillItemSet", + "SfxCmisPropertiesPage::FillItemSet", "SfxObjectShell::DoSaveCompleted", + "SfxObjectShell::DoSave_Impl", "SfxObjectShell::PreDoSaveAs_Impl", "SfxObjectShell::Save_Impl", + "SfxFrame::DoClose_Impl", "SfxBaseModel::load", + "SdrTextObj::TakeTextRect", "SdrTableObj::TakeTextRect", "SdrObjCustomShape::TakeTextRect", + "CellProperties::ItemSetChanged", "CellProperties::ItemChange", + "TableLayouter::SetBorder", "TableLayouter::ClearBorderLayout", + "ImpXPolygon::Resize", "SvxTextEditSourceImpl::GetBackgroundTextForwarder", + "Svx3DSceneObject::setPropertyValueImpl", "lcl_RemoveTextEditOutlinerViews", + "SdrObjEditView::SdrEndTextEdit", "SvxShape::_setPropertyValue", + "AccessibleShape::Init", "AccessibleCell::Init", + "SdrTableRtfExporter::WriteCell", "GalleryItem::_getPropertyValues", + "VMLExport::StartShape", "DrawingML::WriteText", + "MtfTools::DrawText", "FormulaTokenArray::RewriteMissing", + "OSQLParseNode::negateSearchCondition", "OSQLParseNodesContainer::clearAndDelete", + "SdFilter::GetLibrarySymbol", "SdPage::SetObjText", + "SdDrawDocument::InsertBookmarkAsPage", "SdDrawDocument::InsertBookmarkAsObject", + "SdDrawDocument::RemoveUnnecessaryMasterPages", + "ScTable::CopyConditionalFormat", "ScTable::ValidQuery", + "ScTable::SetOptimalHeight", "ScTable::SetOptimalHeightOnly", "ScCompiler::CompileString", + "ScProgress::DeleteInterpretProgress", "ScInterpreter::ScBase", + "UCBStorage::CopyStorageElement_Impl", "X11SalGraphicsImpl::drawAlphaBitmap", + "MasterPagesSelector::ClearPageSet", "View::IsPresObjSelected", + "SdDrawPagesAccess::remove", "SdMasterPagesAccess::remove", "View::InsertData", + "RemoteServer::execute", "Implementation::ReleaseOutlinerView", + "SwFormat::CopyAttrs", "FinitCore", "SwCursorShell::MoveFieldType", "SwExtraPainter::PaintExtra", + "SwMarginPortion::AdjustRight", "SwPaintQueue::Repaint", "SwTOXMgr::UpdateOrInsertTOX", + "SwBaseShell::Execute", "WW8Export::WriteSdrTextObj")) + return; + // complicated delete + if (name == "X11SalObject::CreateObject") + return; + } + + report( + DiagnosticsEngine::Warning, + "call to delete on a var, should be using std::unique_ptr", + deleteExpr->getBeginLoc()) + << deleteExpr->getSourceRange(); + report( + DiagnosticsEngine::Note, + "var is here", + varDecl->getBeginLoc()) + << varDecl->getSourceRange(); +} + +/** + * Look for DELETEZ expressions. + */ +void UseUniquePtr::CheckParenExpr(const FunctionDecl* functionDecl, const ParenExpr* parenExpr) +{ + auto binaryOp = dyn_cast<BinaryOperator>(parenExpr->getSubExpr()); + if (!binaryOp || binaryOp->getOpcode() != BO_Comma) + return; + auto deleteExpr = dyn_cast<CXXDeleteExpr>(binaryOp->getLHS()); + if (!deleteExpr) + return; + CheckDeleteExpr(functionDecl, deleteExpr); +} + +void UseUniquePtr::CheckLoopDelete(const FunctionDecl* functionDecl, const Stmt* bodyStmt) +{ + if (auto deleteExpr = dyn_cast<CXXDeleteExpr>(bodyStmt)) + CheckLoopDelete(functionDecl, deleteExpr); + else if (auto compoundStmt = dyn_cast<CompoundStmt>(bodyStmt)) + { + for (auto i = compoundStmt->body_begin(); i != compoundStmt->body_end(); ++i) + { + if (auto deleteExpr = dyn_cast<CXXDeleteExpr>(*i)) + CheckLoopDelete(functionDecl, deleteExpr); + } + } +} + +void UseUniquePtr::CheckLoopDelete(const FunctionDecl* functionDecl, const CXXDeleteExpr* deleteExpr) +{ + const MemberExpr* memberExpr = nullptr; + const VarDecl* varDecl = nullptr; + const Expr* subExpr = deleteExpr->getArgument(); + // drill down looking for a MemberExpr + for (;;) + { + subExpr = subExpr->IgnoreParens()->IgnoreImplicit(); + if ((memberExpr = dyn_cast<MemberExpr>(subExpr))) + { + if (memberExpr->getMemberDecl()->getName() == "first" || memberExpr->getMemberDecl()->getName() == "second") + { + subExpr = memberExpr->getBase(); + memberExpr = nullptr; + } + else + break; + } + else if (auto declRefExpr = dyn_cast<DeclRefExpr>(subExpr)) + { + if ((varDecl = dyn_cast<VarDecl>(declRefExpr->getDecl()))) + break; + } + else if (auto arraySubscriptExpr = dyn_cast<ArraySubscriptExpr>(subExpr)) + subExpr = arraySubscriptExpr->getBase(); + else if (auto cxxOperatorCallExpr = dyn_cast<CXXOperatorCallExpr>(subExpr)) + { + // look for deletes of an iterator object where the iterator is over a member field + if (auto declRefExpr = dyn_cast<DeclRefExpr>(cxxOperatorCallExpr->getArg(0)->IgnoreImplicit())) + { + if (auto iterVarDecl = dyn_cast<VarDecl>(declRefExpr->getDecl())) + { + auto init = iterVarDecl->getInit(); + if (init) + { + init = init->IgnoreImplicit(); + if (auto x = dyn_cast<CXXConstructExpr>(init)) + if (x->getNumArgs() == 1 + || (x->getNumArgs() >= 2 && isa<CXXDefaultArgExpr>(x->getArg(1)))) + { + init = x->getArg(0)->IgnoreImplicit(); + } + if (auto x = dyn_cast<CXXMemberCallExpr>(init)) + init = x->getImplicitObjectArgument()->IgnoreParenImpCasts(); + if ((memberExpr = dyn_cast<MemberExpr>(init))) + break; + // look for deletes of an iterator object where the iterator is over a var + if (auto declRefExpr2 = dyn_cast<DeclRefExpr>(init)) + { + if ((varDecl = dyn_cast<VarDecl>(declRefExpr2->getDecl()))) + break; + } + } + } + } + // look for deletes like "delete m_pField[0]" + if (cxxOperatorCallExpr->getOperator() == OO_Subscript) + { + subExpr = cxxOperatorCallExpr->getArg(0)->IgnoreImplicit(); + if ((memberExpr = dyn_cast<MemberExpr>(subExpr))) + break; + if (auto declRefExpr = dyn_cast<DeclRefExpr>(subExpr)) + { + if ((varDecl = dyn_cast<VarDecl>(declRefExpr->getDecl()))) + break; + } + } + break; + } + else + break; + } + + if (memberExpr) + { + // OStorage_Impl::Commit very complicated ownership passing going on + if (fn == SRCDIR "/package/source/xstor/xstorage.cxx") + return; + // complicated + if (fn == SRCDIR "/vcl/source/gdi/print.cxx") + return; + // linked list + if (fn == SRCDIR "/basic/source/runtime/runtime.cxx") + return; + // complicated + if (fn == SRCDIR "/sw/source/core/bastyp/swcache.cxx") + return; + + CheckMemberDeleteExpr(functionDecl, deleteExpr, memberExpr, "rather manage this member with std::some_container<std::unique_ptr<T>>"); + } + + if (varDecl) + { + // ignore if the value for the var comes from somewhere else + if (varDecl->hasInit() && isa<ExplicitCastExpr>(varDecl->getInit()->IgnoreImpCasts())) + return; + + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/vcl/qa/")) + return; + // linked list + if (fn == SRCDIR "/tools/source/generic/config.cxx") + return; + // linked lists + if (fn == SRCDIR "/vcl/source/gdi/regband.cxx") + return; + // linked lists + if (fn == SRCDIR "/vcl/source/gdi/regionband.cxx") + return; + // linked list + if (fn == SRCDIR "/vcl/source/gdi/octree.cxx") + return; + // linked list + if (fn == SRCDIR "/vcl/source/app/scheduler.cxx") + return; + // linked list + if (fn == SRCDIR "/vcl/source/filter/wmf/wmfwr.cxx") + return; + // linked list + if (fn == SRCDIR "/vcl/source/filter/graphicfilter.cxx") + return; + // valid code + if (fn == SRCDIR "/vcl/source/app/salvtables.cxx") + return; + // undo code is tricky + if (fn == SRCDIR "/svl/source/undo/undo.cxx") + return; + // subclass that messes with parent class in constructor/destructor, yuck + if (fn == SRCDIR "/svtools/source/contnr/imivctl1.cxx") + return; + // SQLParseNode + if (fn == SRCDIR "/connectivity/source/parse/sqlnode.cxx") + return; + // the whole svx model/contact/view thing confuses me + if (fn == SRCDIR "/svx/source/sdr/contact/viewcontact.cxx") + return; + if (fn == SRCDIR "/svx/source/sdr/contact/objectcontact.cxx") + return; + // no idea + if (fn == SRCDIR "/svx/source/unodialogs/textconversiondlgs/chinese_dictionarydialog.cxx") + return; + // SdrUndo stuff + if (fn == SRCDIR "/svx/source/svdraw/svdundo.cxx") + return; + // TODO the lazydelete stuff should probably just be ripped out altogether now that we have VclPtr + if (fn == SRCDIR "/vcl/source/helper/lazydelete.cxx") + return; + // linked list + if (fn == SRCDIR "/filter/source/graphicfilter/idxf/dxfblkrd.cxx") + return; + if (fn == SRCDIR "/filter/source/graphicfilter/idxf/dxftblrd.cxx") + return; + if (fn == SRCDIR "/lotuswordpro/source/filter/utlist.cxx") + return; + if (fn == SRCDIR "/lotuswordpro/source/filter/lwpfribptr.cxx") + return; + // valid + if (fn == SRCDIR "/sd/source/ui/sidebar/MasterPagesSelector.cxx") + return; + // linked list + if (fn == SRCDIR "/sd/source/filter/ppt/pptatom.cxx") + return; + // linked list + if (fn == SRCDIR "/sc/source/core/data/funcdesc.cxx") + return; + // linked list + if (fn == SRCDIR "/sw/source/core/crsr/crsrsh.cxx") + return; + // no idea + if (fn == SRCDIR "/sw/source/core/docnode/nodes.cxx") + return; + // linked list + if (fn == SRCDIR "/sw/source/core/unocore/unocrsr.cxx") + return; + // linked list + if (fn == SRCDIR "/filter/source/graphicfilter/idxf/dxfentrd.cxx") + return; + // linked list + if (fn == SRCDIR "/filter/source/graphicfilter/ios2met/ios2met.cxx") + return; + // sometimes owning, sometimes not + if (fn == SRCDIR "/sw/qa/core/Test-BigPtrArray.cxx") + return; + + report( + DiagnosticsEngine::Warning, + "loopdelete: rather manage this var with std::some_container<std::unique_ptr<T>>", + deleteExpr->getBeginLoc()) + << deleteExpr->getSourceRange(); + report( + DiagnosticsEngine::Note, + "var is here", + varDecl->getBeginLoc()) + << varDecl->getSourceRange(); + } +} + +void UseUniquePtr::CheckCXXForRangeStmt(const FunctionDecl* functionDecl, const CXXForRangeStmt* cxxForRangeStmt) +{ + CXXDeleteExpr const * deleteExpr = nullptr; + if (auto compoundStmt = dyn_cast<CompoundStmt>(cxxForRangeStmt->getBody())) + { + for (auto i = compoundStmt->body_begin(); i != compoundStmt->body_end(); ++i) + if ((deleteExpr = dyn_cast<CXXDeleteExpr>(*i))) + break; + } + else + deleteExpr = dyn_cast<CXXDeleteExpr>(cxxForRangeStmt->getBody()); + if (!deleteExpr) + return; + + // check for delete of member + if (auto memberExpr = dyn_cast<MemberExpr>(cxxForRangeStmt->getRangeInit())) + { + auto fieldDecl = dyn_cast<FieldDecl>(memberExpr->getMemberDecl()); + if (!fieldDecl) + return; + + // complicated + if (fn == SRCDIR "/vcl/source/gdi/print.cxx") + return; + // sometimes it's an owning field, sometimes not + if (fn == SRCDIR "/i18npool/source/localedata/localedata.cxx") + return; + + CheckMemberDeleteExpr(functionDecl, deleteExpr, memberExpr, "rather manage this with std::some_container<std::unique_ptr<T>>"); + } + + // check for delete of var + if (auto declRefExpr = dyn_cast<DeclRefExpr>(cxxForRangeStmt->getRangeInit()->IgnoreParens()->IgnoreImplicit())) + { + auto varDecl = dyn_cast<VarDecl>(declRefExpr->getDecl()); + if (!varDecl) + return; + + // don't feel like messing with this part of sfx2 + if (fn == SRCDIR "/sfx2/source/control/msgpool.cxx") + return; + if (fn == SRCDIR "/sfx2/source/doc/doctemplates.cxx") + return; + // lex/yacc + if (fn == SRCDIR "/hwpfilter/source/grammar.cxx") + return; + if (fn == SRCDIR "/hwpfilter/source/formula.cxx") + return; + // no idea why, but ui tests crash afterwards in weird ways + if (fn == SRCDIR "/svtools/source/control/roadmap.cxx") + return; + // sometimes it owns it, sometimes it does not + if (fn == SRCDIR "/dbaccess/source/ui/misc/WCopyTable.cxx") + return; + // SfxPoolItem array + if (fn == SRCDIR "/dbaccess/source/ui/misc/UITools.cxx") + return; + // SfxPoolItem array + if (fn == SRCDIR "/sw/source/core/bastyp/init.cxx") + return; + // SfxPoolItem array + if (fn == SRCDIR "/reportdesign/source/ui/misc/UITools.cxx") + return; + // SfxPoolItem array + if (fn == SRCDIR "/reportdesign/source/ui/report/ReportController.cxx") + return; + // complicated + if (fn == SRCDIR "/svx/source/sdr/contact/viewcontact.cxx") + return; + if (fn == SRCDIR "/svx/source/sdr/contact/objectcontact.cxx") + return; + + report( + DiagnosticsEngine::Warning, + "rather manage this var with std::some_container<std::unique_ptr<T>>", + deleteExpr->getBeginLoc()) + << deleteExpr->getSourceRange(); + report( + DiagnosticsEngine::Note, + "var is here", + varDecl->getBeginLoc()) + << varDecl->getSourceRange(); + } +} + +void UseUniquePtr::CheckMemberDeleteExpr(const FunctionDecl* functionDecl, const CXXDeleteExpr* deleteExpr, + const MemberExpr* memberExpr, StringRef message) +{ + // ignore union games + const FieldDecl* fieldDecl = dyn_cast<FieldDecl>(memberExpr->getMemberDecl()); + if (!fieldDecl) + return; + TagDecl const * td = dyn_cast<TagDecl>(fieldDecl->getDeclContext()); + if (td->isUnion()) + return; + + // ignore calling delete on someone else's field + if (auto methodDecl = dyn_cast<CXXMethodDecl>(functionDecl)) + if (fieldDecl->getParent() != methodDecl->getParent() ) + return; + + if (ignoreLocation(fieldDecl)) + return; + // to ignore things like the CPPUNIT macros + if (loplugin::hasPathnamePrefix(fn, WORKDIR "/")) + return; + // passes and stores pointers to member fields + if (fn == SRCDIR "/sot/source/sdstor/stgdir.hxx") + return; + // something platform-specific + if (fn == SRCDIR "/hwpfilter/source/htags.h") + return; + // passes pointers to member fields + if (fn == SRCDIR "/sd/inc/sdpptwrp.hxx") + return; + // @TODO intrusive linked-lists here, with some trickiness + if (fn == SRCDIR "/sw/source/filter/html/parcss1.hxx") + return; + // @TODO SwDoc has some weird ref-counting going on + if (fn == SRCDIR "/sw/inc/shellio.hxx") + return; + // @TODO it's sharing pointers with another class + if (fn == SRCDIR "/sc/inc/formulacell.hxx") + return; + // some weird stuff going on here around struct Entity + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/sax/")) + return; + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/include/sax/")) + return; + // manipulation of tree structures ie. StgAvlNode, don't lend themselves to std::unique_ptr + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/sot/")) + return; + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/include/sot/")) + return; + // the std::vector is being passed to another class + if (fn == SRCDIR "/sfx2/source/explorer/nochaos.cxx") + return; + auto tc = loplugin::TypeCheck(fieldDecl->getType()); + // these sw::Ring based classes do not lend themselves to std::unique_ptr management + if (tc.Pointer().Class("SwNodeIndex").GlobalNamespace() || tc.Pointer().Class("SwShellTableCursor").GlobalNamespace() + || tc.Pointer().Class("SwBlockCursor").GlobalNamespace() || tc.Pointer().Class("SwVisibleCursor").GlobalNamespace() + || tc.Pointer().Class("SwShellCursor").GlobalNamespace()) + return; + // there is a loop in ~ImplPrnQueueList deleting stuff on a global data structure + if (fn == SRCDIR "/vcl/inc/print.h") + return; + // painful linked list + if (fn == SRCDIR "/basic/source/inc/runtime.hxx") + return; + // not sure how the node management is working here + if (fn == SRCDIR "/i18npool/source/localedata/saxparser.cxx") + return; + // has a pointer that it only sometimes owns + if (fn == SRCDIR "/editeng/source/editeng/impedit.hxx") + return; + + report( + DiagnosticsEngine::Warning, + message, + deleteExpr->getBeginLoc()) + << deleteExpr->getSourceRange(); + report( + DiagnosticsEngine::Note, + "member is here", + fieldDecl->getBeginLoc()) + << fieldDecl->getSourceRange(); +} + +bool UseUniquePtr::TraverseFunctionDecl(FunctionDecl* functionDecl) +{ + if (ignoreLocation(functionDecl)) + return true; + + auto oldCurrent = mpCurrentFunctionDecl; + mpCurrentFunctionDecl = functionDecl; + bool ret = RecursiveASTVisitor::TraverseFunctionDecl(functionDecl); + mpCurrentFunctionDecl = oldCurrent; + + return ret; +} + +bool UseUniquePtr::TraverseCXXMethodDecl(CXXMethodDecl* methodDecl) +{ + if (ignoreLocation(methodDecl)) + return true; + + auto oldCurrent = mpCurrentFunctionDecl; + mpCurrentFunctionDecl = methodDecl; + bool ret = RecursiveASTVisitor::TraverseCXXMethodDecl(methodDecl); + mpCurrentFunctionDecl = oldCurrent; + + return ret; +} + +bool UseUniquePtr::TraverseCXXDeductionGuideDecl(CXXDeductionGuideDecl* methodDecl) +{ + if (ignoreLocation(methodDecl)) + return true; + + auto oldCurrent = mpCurrentFunctionDecl; + mpCurrentFunctionDecl = methodDecl; + bool ret = RecursiveASTVisitor::TraverseCXXDeductionGuideDecl(methodDecl); + mpCurrentFunctionDecl = oldCurrent; + + return ret; +} + +bool UseUniquePtr::TraverseCXXConstructorDecl(CXXConstructorDecl* methodDecl) +{ + if (ignoreLocation(methodDecl)) + return true; + + auto oldCurrent = mpCurrentFunctionDecl; + mpCurrentFunctionDecl = methodDecl; + bool ret = RecursiveASTVisitor::TraverseCXXConstructorDecl(methodDecl); + mpCurrentFunctionDecl = oldCurrent; + + return ret; +} + +bool UseUniquePtr::TraverseCXXConversionDecl(CXXConversionDecl* methodDecl) +{ + if (ignoreLocation(methodDecl)) + return true; + + auto oldCurrent = mpCurrentFunctionDecl; + mpCurrentFunctionDecl = methodDecl; + bool ret = RecursiveASTVisitor::TraverseCXXConversionDecl(methodDecl); + mpCurrentFunctionDecl = oldCurrent; + + return ret; +} + +bool UseUniquePtr::TraverseCXXDestructorDecl(CXXDestructorDecl* methodDecl) +{ + if (ignoreLocation(methodDecl)) + return true; + + auto oldCurrent = mpCurrentFunctionDecl; + mpCurrentFunctionDecl = methodDecl; + bool ret = RecursiveASTVisitor::TraverseCXXDestructorDecl(methodDecl); + mpCurrentFunctionDecl = oldCurrent; + + return ret; +} + +bool UseUniquePtr::TraverseConstructorInitializer(CXXCtorInitializer * ctorInit) +{ + if (!ctorInit->getSourceLocation().isValid() || ignoreLocation(ctorInit->getSourceLocation())) + return true; + if (!ctorInit->getMember()) + return true; + if (!loplugin::TypeCheck(ctorInit->getMember()->getType()).Class("unique_ptr").StdNamespace()) + return true; + auto constructExpr = dyn_cast_or_null<CXXConstructExpr>(ctorInit->getInit()); + if (!constructExpr || constructExpr->getNumArgs() == 0) + return true; + auto init = constructExpr->getArg(0)->IgnoreImpCasts(); + if (!isa<DeclRefExpr>(init)) + return true; + + StringRef fn = getFilenameOfLocation(compiler.getSourceManager().getSpellingLoc(ctorInit->getSourceLocation())); + // cannot change URE + if (loplugin::hasPathnamePrefix(fn, SRCDIR "/cppu/source/helper/purpenv/helper_purpenv_Environment.cxx")) + return true; + + report( + DiagnosticsEngine::Warning, + "should be passing via std::unique_ptr param", + ctorInit->getSourceLocation()) + << ctorInit->getSourceRange(); + return RecursiveASTVisitor<UseUniquePtr>::TraverseConstructorInitializer(ctorInit); +} + +// Only checks for calls to delete on a pointer param +bool UseUniquePtr::VisitCXXDeleteExpr(const CXXDeleteExpr* deleteExpr) +{ + if (!mpCurrentFunctionDecl) + return true; + if (ignoreLocation(mpCurrentFunctionDecl)) + return true; + if (isInUnoIncludeFile(mpCurrentFunctionDecl->getCanonicalDecl()->getBeginLoc())) + return true; + auto declRefExpr = dyn_cast<DeclRefExpr>(deleteExpr->getArgument()->IgnoreParenImpCasts()->IgnoreImplicit()); + if (!declRefExpr) + return true; + if (auto parmVarDecl = dyn_cast<ParmVarDecl>(declRefExpr->getDecl())) + CheckDeleteParmVar(deleteExpr, parmVarDecl); + else if (auto varDecl = dyn_cast<VarDecl>(declRefExpr->getDecl())) + CheckDeleteLocalVar(mpCurrentFunctionDecl, deleteExpr, varDecl); + return true; +} + +void UseUniquePtr::CheckDeleteParmVar(const CXXDeleteExpr* deleteExpr, const ParmVarDecl* ) +{ + if (mpCurrentFunctionDecl->getIdentifier()) + { + auto name = mpCurrentFunctionDecl->getName(); + if (name == "delete_IncludesCollection" || name == "convertName" + || name == "createNamedType" + || name == "typelib_typedescriptionreference_release" || name == "deleteExceptions" + || name == "uno_threadpool_destroy" + || name == "AddRanges_Impl" + || name == "DestroySalInstance" + || name == "ImplHandleUserEvent" + || name == "releaseDecimalPtr" // TODO, basic + || name == "replaceAndReset" // TODO, connectivity + || name == "intrusive_ptr_release" + || name == "FreeParaList" + || name == "DeleteSdrUndoAction" // TODO, sc + || name == "lcl_MergeGCBox" || name == "lcl_MergeGCLine" || name == "lcl_DelHFFormat") + return; + } + if (auto cxxMethodDecl = dyn_cast<CXXMethodDecl>(mpCurrentFunctionDecl)) + { + auto parentName = cxxMethodDecl->getParent()->getName(); + // include/o3tl/deleter.hxx + if (parentName == "default_delete") + return; + // TODO Bitmap::ReleaseAccess + // Tricky because it reverberates through other code and requires that BitmapWriteAccess move into /include again + if (parentName == "Bitmap") + return; + // TODO virtual ones are much trickier, leave for later + if (cxxMethodDecl->isVirtual()) + return; + // sw/inc/unobaseclass.hxx holds SolarMutex while deleting + if (parentName == "UnoImplPtrDeleter") + return; + } + + // StgAvlNode::Remove + if (fn == SRCDIR "/sot/source/sdstor/stgavl.cxx") + return; + // SfxItemPool::ReleaseDefaults and SfxItemPool::Free + if (fn == SRCDIR "/svl/source/items/itempool.cxx") + return; + // SwContourCache + if (fn == SRCDIR "/sw/source/core/text/txtfly.cxx") + return; + // too messy to cope with the SQL parser + if (fn == SRCDIR "/connectivity/source/parse/sqlnode.cxx") + return; + // I can't figure out the ownership of the SfxMedium in the call site(s) + if (fn == SRCDIR "/sfx2/source/doc/sfxbasemodel.cxx") + return; + // pointer passed via IMPL_LINK + if (fn == SRCDIR "/sfx2/source/control/dispatch.cxx") + return; + // NavigatorTreeModel::Remove + if (fn == SRCDIR "/svx/source/form/navigatortreemodel.cxx") + return; + // SdrModel::AddUndo + if (fn == SRCDIR "/svx/source/svdraw/svdmodel.cxx") + return; + // undo callback + if (fn == SRCDIR "/basctl/source/basicide/baside3.cxx") + return; + // ActualizeProgress::TimeoutHdl + if (fn == SRCDIR "/cui/source/dialogs/cuigaldlg.cxx") + return; + // ToolbarSaveInData::RemoveToolbar + if (fn == SRCDIR "/cui/source/customize/cfg.cxx") + return; + // OStorage_Impl::RemoveElement very complicated ownership passing going on + if (fn == SRCDIR "/package/source/xstor/xstorage.cxx") + return; + // actually held via shared_ptr, uses protected deleter object + if (fn == SRCDIR "/sd/source/ui/framework/tools/FrameworkHelper.cxx") + return; + // actually held via shared_ptr, uses protected deleter object + if (fn == SRCDIR "/sd/source/ui/presenter/CanvasUpdateRequester.cxx") + return; + // actually held via shared_ptr, uses protected deleter object + if (fn == SRCDIR "/sd/source/ui/slidesorter/cache/SlsPageCacheManager.cxx") + return; + // actually held via shared_ptr, uses protected deleter object + if (fn == SRCDIR "/sd/source/ui/sidebar/MasterPageContainer.cxx") + return; + // actually held via shared_ptr, uses protected deleter object + if (fn == SRCDIR "/sd/source/ui/tools/TimerBasedTaskExecution.cxx") + return; + // actually held via shared_ptr, uses protected deleter object + if (fn == SRCDIR "/sd/source/ui/view/ViewShellImplementation.cxx") + return; + // ScBroadcastAreaSlot::StartListeningArea manual ref-counting of ScBroadcastArea + if (fn == SRCDIR "/sc/source/core/data/bcaslot.cxx") + return; + // ScDrawLayer::AddCalcUndo undo stuff + if (fn == SRCDIR "/sc/source/core/data/drwlayer.cxx") + return; + // ScTable::SetFormulaCell + if (fn == SRCDIR "/sc/source/core/data/table2.cxx") + return; + // ScDocument::SetFormulaCell + if (fn == SRCDIR "/sc/source/core/data/documen2.cxx") + return; + // RemoveEditAttribsHandler, stored in mdds block + if (fn == SRCDIR "/sc/source/core/data/column2.cxx") + return; + // just turns into a mess + if (fn == SRCDIR "/sc/source/ui/Accessibility/AccessibleDocument.cxx") + return; + // SwCache::DeleteObj, linked list + if (fn == SRCDIR "/sw/source/core/bastyp/swcache.cxx") + return; + // SAXEventKeeperImpl::smashBufferNode + if (fn == SRCDIR "/xmlsecurity/source/framework/saxeventkeeperimpl.cxx") + return; + // SwDoc::DeleteExtTextInput + if (fn == SRCDIR "/sw/source/core/doc/extinput.cxx") + return; + // SwDoc::DelSectionFormat + if (fn == SRCDIR "/sw/source/core/docnode/ndsect.cxx") + return; + // SwFrame::DestroyFrame + if (fn == SRCDIR "/sw/source/core/layout/ssfrm.cxx") + return; + // SwGluePortion::Join + if (fn == SRCDIR "/sw/source/core/text/porglue.cxx") + return; + // SwDoc::DelFrameFormat + if (fn == SRCDIR "/sw/source/core/doc/docfmt.cxx") + return; + // SwTextAttr::Destroy + if (fn == SRCDIR "/sw/source/core/txtnode/txatbase.cxx") + return; + // IMPL_LINK( SwDoc, AddDrawUndo, SdrUndoAction *, pUndo, void ) + if (fn == SRCDIR "/sw/source/core/undo/undraw.cxx") + return; + // SwHTMLParser::EndAttr + if (fn == SRCDIR "/sw/source/filter/html/swhtml.cxx") + return; + // SwGlossaryHdl::Expand sometimes the pointer is owned, sometimes it is not + if (fn == SRCDIR "/sw/source/uibase/dochdl/gloshdl.cxx") + return; + // SwWrtShell::Insert only owned sometimes + if (fn == SRCDIR "/sw/source/uibase/wrtsh/wrtsh1.cxx") + return; + // NodeArrayDeleter + if (fn == SRCDIR "/unoxml/source/rdf/librdf_repository.cxx") + return; + // SmCursor::LineToList ran out of enthusiasm to rework the node handling + if (fn == SRCDIR "/starmath/source/cursor.cxx") + return; + // XMLEventOASISTransformerContext::FlushEventMap + if (fn == SRCDIR "/xmloff/source/transform/EventOASISTContext.cxx") + return; + // XMLEventOOoTransformerContext::FlushEventMap + if (fn == SRCDIR "/xmloff/source/transform/EventOOoTContext.cxx") + return; + // SbiProcDef::Match + if (fn == SRCDIR "/basic/source/comp/symtbl.cxx") + return; + + /* + Sometimes we can pass the param as std::unique_ptr<T>& or std::unique_ptr, sometimes the method + just needs to be inlined, which normally exposes more simplification. + */ + report( + DiagnosticsEngine::Warning, + "calling delete on a pointer param, should be either allowlisted or simplified", + deleteExpr->getBeginLoc()) + << deleteExpr->getSourceRange(); +} + + +loplugin::Plugin::Registration< UseUniquePtr > X("useuniqueptr", false); + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |