1 files changed, 74 insertions, 0 deletions
diff --git a/src/checks/manuallevel/qt-keywords.cpp b/src/checks/manuallevel/qt-keywords.cpp
new file mode 100644
index 00000000..1cd9085a
--- /dev/null
+++ b/src/checks/manuallevel/qt-keywords.cpp
@@ -0,0 +1,74 @@
+/*
+  This file is part of the clazy static checker.
+
+  Copyright (C) 2018 Sergio Martins <smartins@kde.org>
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Library General Public
+  License as published by the Free Software Foundation; either
+  version 2 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Library General Public License for more details.
+
+  You should have received a copy of the GNU Library General Public License
+  along with this library; see the file COPYING.LIB.  If not, write to
+  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+  Boston, MA 02110-1301, USA.
+*/
+
+#include "qt-keywords.h"
+#include "Utils.h"
+#include "HierarchyUtils.h"
+#include "QtUtils.h"
+#include "TypeUtils.h"
+#include "FixItUtils.h"
+#include "ClazyContext.h"
+#include "PreProcessorVisitor.h"
+
+#include <clang/Lex/MacroInfo.h>
+#include <clang/AST/AST.h>
+
+using namespace clang;
+using namespace std;
+
+QtKeywords::QtKeywords(const std::string &name, ClazyContext *context)
+    : CheckBase(name, context)
+{
+    enablePreProcessorCallbacks();
+    context->enablePreprocessorVisitor();
+}
+
+void QtKeywords::VisitMacroExpands(const Token &macroNameTok, const SourceRange &range, const clang::MacroInfo *minfo)
+{
+    IdentifierInfo *ii = macroNameTok.getIdentifierInfo();
+    if (!ii || !minfo)
+        return;
+
+    if (auto ppvisitor = m_context->preprocessorVisitor) {
+        // Save some CPU cycles. No point in running if QT_NO_KEYWORDS
+        if (ppvisitor->isQT_NO_KEYWORDS())
+            return;
+    }
+
+    static const vector<StringRef> keywords = { "foreach", "signals", "slots", "emit" };
+    std::string name = ii->getName();
+    if (!clazy::contains(keywords, name))
+        return;
+
+    // Make sure the macro is Qt's. It must be defined in Qt's headers, not 3rdparty
+    std::string qtheader = sm().getFilename(sm().getSpellingLoc(minfo->getDefinitionLoc()));
+    if (!clazy::endsWith(qtheader, "qglobal.h") && !clazy::endsWith(qtheader, "qobjectdefs.h"))
+        return;
+
+    std::vector<FixItHint> fixits;
+    if (isFixitEnabled()) {
+        std::string replacement = "Q_" + name;
+        std::transform(replacement.begin(), replacement.end(), replacement.begin(), ::toupper);
+        fixits.push_back(clazy::createReplacement(range, replacement));
+    }
+
+    emitWarning(range.getBegin(), "Using a Qt keyword (" + string(ii->getName()) + ")", fixits);
+}