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/* -*- 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/.
*/
// Find constant character array variables that are either
// (a) passed into O[U]String constructors
// (b) assigned to O[U]String
// and are declared using macro names
// and should thus be turned into O[U]StringLiteral variables.
//
#include <cassert>
#include "check.hxx"
#include "plugin.hxx"
namespace
{
class StringLiteralDefine final : public loplugin::FilteringPlugin<StringLiteralDefine>
{
public:
explicit StringLiteralDefine(loplugin::InstantiationData const& data)
: FilteringPlugin(data)
{
}
bool TraverseInitListExpr(InitListExpr* expr, DataRecursionQueue* queue = nullptr)
{
return WalkUpFromInitListExpr(expr)
&& TraverseSynOrSemInitListExpr(
expr->isSemanticForm() ? expr : expr->getSemanticForm(), queue);
}
bool VisitCXXConstructExpr(CXXConstructExpr const* expr)
{
if (ignoreLocation(expr))
return true;
loplugin::TypeCheck const tc(expr->getType());
if (!(tc.Class("OString").Namespace("rtl").GlobalNamespace()
|| tc.Class("OUString").Namespace("rtl").GlobalNamespace()))
{
return true;
}
auto const ctor = expr->getConstructor();
if (ctor->getNumParams() != 2)
return true;
const Expr* arg0 = expr->getArg(0)->IgnoreParenImpCasts();
auto const e1 = dyn_cast<clang::StringLiteral>(arg0);
if (!e1)
return true;
auto argLoc = compat::getBeginLoc(arg0);
// check if the arg is a macro
auto macroLoc = compiler.getSourceManager().getSpellingLoc(argLoc);
if (argLoc == macroLoc)
return true;
// check if it is the right kind of macro (not particularly reliable checks)
if (!macroLoc.isValid() || !compiler.getSourceManager().isInMainFile(macroLoc)
|| compiler.getSourceManager().isInSystemHeader(macroLoc)
// not sure when these became available
#if CLANG_VERSION >= 130000
|| compiler.getSourceManager().isWrittenInBuiltinFile(macroLoc)
|| compiler.getSourceManager().isWrittenInScratchSpace(macroLoc)
|| compiler.getSourceManager().isWrittenInCommandLineFile(macroLoc)
#endif
|| isInUnoIncludeFile(macroLoc))
return true;
StringRef fileName = getFilenameOfLocation(macroLoc);
StringRef name{ Lexer::getImmediateMacroName(
compat::getBeginLoc(arg0), compiler.getSourceManager(), compiler.getLangOpts()) };
if (loplugin::hasPathnamePrefix(fileName, SRCDIR "/config_host/"))
return true;
// used in both OUString and OString context
if (name == "FM_COL_LISTBOX" || name == "HID_RELATIONDIALOG_LEFTFIELDCELL"
|| name == "OOO_HELP_INDEX" || name == "IMP_PNG" || name.startswith("MNI_ACTION_"))
return true;
if (loplugin::hasPathnamePrefix(fileName, SRCDIR "/svx/source/stbctrls/pszctrl.cxx"))
return true;
// used as a prefix and/or concatenated with other strings
if (name.startswith("UNO_JAVA_JFW") || name == "SETNODE_BINDINGS" || name == "PATHDELIMITER"
|| name == "SETNODE_ALLFILEFORMATS" || name == "SETNODE_DISABLED"
|| name == "XMLNS_DIALOGS_PREFIX" || name == "XMLNS_LIBRARY_PREFIX"
|| name == "XMLNS_SCRIPT_PREFIX" || name == "XMLNS_TOOLBAR" || name == "XMLNS_XLINK"
|| name == "XMLNS_XLINK_PREFIX")
return true;
if (loplugin::hasPathnamePrefix(fileName,
SRCDIR "/stoc/source/security/access_controller.cxx")
&& (name == "SERVICE_NAME" || name == "USER_CREDS"))
return true;
if (loplugin::hasPathnamePrefix(fileName, SRCDIR "/stoc/source/security/file_policy.cxx")
&& name == "IMPL_NAME")
return true;
if (loplugin::hasPathnamePrefix(fileName,
SRCDIR "/desktop/source/migration/services/jvmfwk.cxx")
&& name == "IMPL_NAME")
return true;
if (loplugin::hasPathnamePrefix(
fileName, SRCDIR "/xmlsecurity/source/xmlsec/xmldocumentwrapper_xmlsecimpl.cxx")
&& name == "STRXMLNS")
return true;
if (loplugin::hasPathnamePrefix(fileName, SRCDIR "/sw/source/ui/fldui/fldvar.cxx")
&& name == "USER_DATA_VERSION_1")
return true;
// not sure how to exclude the case where the whole block is in a macro
// (vs. what I am looking for - regular code with a macro name as the argument)
if (name == "assert" || name == "SAL_INFO" || name == "DECLIMPL_SERVICEINFO_DERIVED"
|| name == "OSL_VERIFY" || name == "OSL_ENSURE" || name == "DECL_PROP_2"
|| name == "DECL_PROP_3" || name == "DECL_PROP_1" || name == "DECL_DEP_PROP_2"
|| name == "DECL_DEP_PROP_3" || name == "CALL_ELEMENT_HANDLER_AND_CARE_FOR_EXCEPTIONS"
|| name == "IMPLEMENT_SERVICE_INFO" || name == "SQL_GET_REFERENCES"
|| name == "SFX_IMPL_OBJECTFACTORY" || name == "IMPLEMENT_SERVICE_INFO1"
|| name == "IMPLEMENT_SERVICE_INFO2" || name == "IMPLEMENT_SERVICE_INFO3"
|| name == "IMPLEMENT_SERVICE_INFO_IMPLNAME" || name == "SC_SIMPLE_SERVICE_INFO"
|| name == "SC_SIMPLE_SERVICE_INFO_COMPAT" || name == "OUT_COMMENT"
|| name == "LOCALE_EN" || name == "LOCALE" || name == "VBAFONTBASE_PROPNAME"
|| name == "VBAHELPER_IMPL_XHELPERINTERFACE" || name == "IMPRESS_MAP_ENTRIES"
|| name == "DRAW_MAP_ENTRIES" || name == "DRAW_PAGE_NOTES_PROPERTIES"
|| name == "COMMON_FLDTYP_PROPERTIES" || name == "GRAPHIC_PAGE_PROPERTIES"
|| name == "makeDelay" || name == "makeEvent" || name == "OOO_IMPORTER"
|| name == "DBG_ASSERT" || name.startswith("CPPUNIT_ASSERT"))
return true;
if (loplugin::hasPathnamePrefix(fileName, SRCDIR
"/dbaccess/source/ui/querydesign/SelectionBrowseBox.cxx")
&& name == "DEFAULT_SIZE")
return true;
if (loplugin::hasPathnamePrefix(fileName, SRCDIR "/filter/source/t602/t602filter.cxx"))
return true;
if (loplugin::hasPathnamePrefix(fileName, SRCDIR "/hwpfilter/source/formula.cxx"))
return true;
if (loplugin::hasPathnamePrefix(fileName, SRCDIR "/hwpfilter/source/hwpreader.cxx"))
return true;
if (loplugin::hasPathnamePrefix(fileName, SRCDIR "/filter/source/svg/svgexport.cxx")
&& name == "NSPREFIX")
return true;
if (!reported_.insert(macroLoc).second)
return true;
report(DiagnosticsEngine::Warning,
"change macro '%0' to 'constexpr "
"%select{OStringLiteral|OUStringLiteral}1'",
macroLoc)
<< name << (tc.Class("OString").Namespace("rtl").GlobalNamespace() ? 0 : 1);
report(DiagnosticsEngine::Note, "macro used here", compat::getBeginLoc(arg0))
<< arg0->getSourceRange();
return true;
}
bool preRun() override { return compiler.getLangOpts().CPlusPlus; }
private:
void run() override
{
if (preRun())
{
TraverseDecl(compiler.getASTContext().getTranslationUnitDecl());
}
}
std::set<SourceLocation> reported_;
};
// Off by default because it needs some hand-holding
static loplugin::Plugin::Registration<StringLiteralDefine> reg("stringliteraldefine", false);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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