bd10851e9e
...<e90e43fb9c>
"[Clang][NFC] Rename CXXMethodDecl::isPure -> is VirtualPure"
Change-Id: I27b7cd40c84c71804bef396d0bff4ee2683cb3af
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/162345
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <stephan.bergmann@allotropia.de>
78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#ifndef LO_CLANG_SHARED_PLUGINS
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#include <string>
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#include "compat.hxx"
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#include "plugin.hxx"
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// Having an extern prototype for a method in a module and not actually declaring that method is dodgy.
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//
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namespace {
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class ExternAndNotDefined:
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public loplugin::FilteringPlugin<ExternAndNotDefined>
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{
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public:
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explicit ExternAndNotDefined(loplugin::InstantiationData const & data): FilteringPlugin(data) {}
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virtual void run() override { TraverseDecl(compiler.getASTContext().getTranslationUnitDecl()); }
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bool VisitFunctionDecl(const FunctionDecl * decl);
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};
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bool ExternAndNotDefined::VisitFunctionDecl(const FunctionDecl * functionDecl) {
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if (ignoreLocation(functionDecl)) {
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return true;
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}
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if (functionDecl->isDefined() || compat::isPureVirtual(functionDecl)
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|| (functionDecl->getLinkageAndVisibility().getLinkage()
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!= compat::Linkage::External)) {
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return true;
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}
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//TODO, filtering out anything template for now:
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if (functionDecl->isDependentContext()) {
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return true;
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}
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CXXRecordDecl const * r = dyn_cast<CXXRecordDecl>(functionDecl->getDeclContext());
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if (r != nullptr && r->getTemplateSpecializationKind() != TSK_Undeclared) {
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return true;
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}
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// this is the bison/flex C API, it has to be defined this way
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std::string functionName = functionDecl->getNameAsString();
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if (functionName == "yyerror" || functionName == "yyparse" || functionName == "yylex") {
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return true;
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}
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// see vcl/unx/gtk/app/gtksys.cxx, typename conflicts prevent using the right include
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if (functionName == "gdk_x11_screen_get_screen_number") {
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return true;
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}
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if (!compiler.getSourceManager().isInMainFile(functionDecl->getLocation()))
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{
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return true;
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}
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report(
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DiagnosticsEngine::Warning,
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"extern prototype in main file without definition",
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functionDecl->getLocation())
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<< functionDecl->getSourceRange();
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return true;
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}
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loplugin::Plugin::Registration< ExternAndNotDefined > externandnotdefined("externandnotdefined");
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}
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#endif // LO_CLANG_SHARED_PLUGINS
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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