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-rw-r--r--compilerplugins/clang/store/finalprotected.cxx84
1 files changed, 84 insertions, 0 deletions
diff --git a/compilerplugins/clang/store/finalprotected.cxx b/compilerplugins/clang/store/finalprotected.cxx
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+++ b/compilerplugins/clang/store/finalprotected.cxx
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+/* -*- 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 <string>
+#include <iostream>
+#include <map>
+#include <set>
+
+#include "plugin.hxx"
+#include "clang/AST/CXXInheritance.h"
+
+// Check for final classes that have protected members
+
+namespace
+{
+
+class FinalProtected:
+ public loplugin::FilteringPlugin<FinalProtected>
+{
+public:
+ explicit FinalProtected(loplugin::InstantiationData const & data):
+ FilteringPlugin(data) {}
+
+ virtual void run() override {
+ TraverseDecl(compiler.getASTContext().getTranslationUnitDecl());
+ }
+
+ bool VisitCXXMethodDecl(CXXMethodDecl const *);
+ bool VisitFieldDecl(FieldDecl const *);
+};
+
+
+bool FinalProtected::VisitCXXMethodDecl(CXXMethodDecl const * cxxMethodDecl)
+{
+ if (ignoreLocation(cxxMethodDecl)) {
+ return true;
+ }
+ if (cxxMethodDecl->getAccess() != AS_protected) {
+ return true;
+ }
+ if (!cxxMethodDecl->getParent()->hasAttr<FinalAttr>()) {
+ return true;
+ }
+ cxxMethodDecl = cxxMethodDecl->getCanonicalDecl();
+ report(DiagnosticsEngine::Warning,
+ "final class should not have protected members - convert them to private",
+ cxxMethodDecl->getBeginLoc())
+ << cxxMethodDecl->getSourceRange();
+ return true;
+}
+
+bool FinalProtected::VisitFieldDecl(FieldDecl const * fieldDecl)
+{
+ if (ignoreLocation(fieldDecl)) {
+ return true;
+ }
+ if (fieldDecl->getAccess() != AS_protected) {
+ return true;
+ }
+ if (!fieldDecl->getParent()->hasAttr<FinalAttr>()) {
+ return true;
+ }
+ fieldDecl = fieldDecl->getCanonicalDecl();
+ report(DiagnosticsEngine::Warning,
+ "final class should not have protected members - convert them to private",
+ fieldDecl->getBeginLoc())
+ << fieldDecl->getSourceRange();
+ return true;
+}
+
+loplugin::Plugin::Registration< FinalProtected > finalprotected("finalprotected");
+
+} // namespace
+
+#endif // LO_CLANG_SHARED_PLUGINS
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */