1 files changed, 80 insertions, 0 deletions

diff --git a/async/src/debug.h b/async/src/debug.h
new file mode 100644
index 0000000..c453eb3
--- /dev/null
+++ b/async/src/debug.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2015  Daniel Vrátil <dvratil@redhat.com>
+ *
+ * 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. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ASYNC_DEBUG_H
+#define ASYNC_DEBUG_H
+
+#include <QLoggingCategory>
+#include <QStringBuilder>
+
+#ifndef QT_NO_DEBUG
+#include <typeinfo>
+#endif
+
+namespace Async
+{
+
+Q_DECLARE_LOGGING_CATEGORY(Debug)
+Q_DECLARE_LOGGING_CATEGORY(Trace)
+
+QString demangleName(const char *name);
+
+namespace Private
+{
+class Execution;
+}
+
+class Tracer
+{
+public:
+    Tracer(Private::Execution *execution);
+    ~Tracer();
+
+private:
+    enum MsgType {
+        Start,
+        End
+    };
+    void msg(MsgType);
+
+    int mId;
+    Private::Execution *mExecution;
+
+    static int lastId;
+};
+
+}
+
+#ifndef QT_NO_DEBUG
+    template<typename T>
+    QString storeExecutorNameExpanded() {
+        return Async::demangleName(typeid(T).name());
+    }
+
+    template<typename T, typename ... Tail>
+    typename std::enable_if<sizeof ... (Tail) != 0, QString>::type
+    storeExecutorNameExpanded() {
+        return storeExecutorNameExpanded<T>() % QStringLiteral(", ") % storeExecutorNameExpanded<Tail ...>();
+    }
+
+    #define STORE_EXECUTOR_NAME(name, ...) \
+        ExecutorBase::mExecutorName = QStringLiteral(name) % QStringLiteral("<") % storeExecutorNameExpanded<__VA_ARGS__>() % QStringLiteral(">")
+#else
+    #define STORE_EXECUTOR_NAME(...)
+#endif
+
+#endif // ASYNC_DEBUG_H
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