1 files changed, 79 insertions, 0 deletions
diff --git a/src/checks/level0/qdatetime-utc.cpp b/src/checks/level0/qdatetime-utc.cpp
new file mode 100644
index 00000000..62ec49fd
--- /dev/null
+++ b/src/checks/level0/qdatetime-utc.cpp
@@ -0,0 +1,79 @@
+/*
+   This file is part of the clazy static checker.
+
+  Copyright (C) 2015 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  Copyright (C) 2015 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 "qdatetime-utc.h"
+#include "Utils.h"
+#include "StringUtils.h"
+#include "FixItUtils.h"
+
+#include <clang/AST/AST.h>
+#include <clang/Lex/Lexer.h>
+
+using namespace clang;
+using namespace std;
+
+QDateTimeUtc::QDateTimeUtc(const std::string &name, ClazyContext *context)
+    : CheckBase(name, context)
+{
+}
+
+void QDateTimeUtc::VisitStmt(clang::Stmt *stmt)
+{
+    CXXMemberCallExpr *secondCall = dyn_cast<CXXMemberCallExpr>(stmt);
+    if (!secondCall || !secondCall->getMethodDecl())
+        return;
+    CXXMethodDecl *secondMethod = secondCall->getMethodDecl();
+    const string secondMethodName = secondMethod->getQualifiedNameAsString();
+    const bool isTimeT = secondMethodName == "QDateTime::toTime_t";
+    if (!isTimeT && secondMethodName != "QDateTime::toUTC")
+        return;
+
+    vector<CallExpr*> chainedCalls = Utils::callListForChain(secondCall);
+    if (chainedCalls.size() < 2)
+        return;
+
+    CallExpr *firstCall = chainedCalls[chainedCalls.size() - 1];
+    FunctionDecl *firstFunc = firstCall->getDirectCallee();
+    if (!firstFunc)
+        return;
+
+    CXXMethodDecl *firstMethod = dyn_cast<CXXMethodDecl>(firstFunc);
+    if (!firstMethod || firstMethod->getQualifiedNameAsString() != "QDateTime::currentDateTime")
+        return;
+
+    std::string replacement = "::currentDateTimeUtc()";
+    if (isTimeT) {
+        replacement += ".toTime_t()";
+    }
+
+    std::vector<FixItHint> fixits;
+    if (isFixitEnabled()) {
+        const bool success = clazy::transformTwoCallsIntoOneV2(&m_astContext, secondCall, replacement, fixits);
+        if (!success) {
+            queueManualFixitWarning(getLocStart(secondCall));
+        }
+    }
+
+    emitWarning(getLocStart(stmt), "Use QDateTime" + replacement + " instead", fixits);
+}