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-rw-r--r--tools/profiler/public/ProfilerBacktrace.h36
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diff --git a/tools/profiler/public/ProfilerBacktrace.h b/tools/profiler/public/ProfilerBacktrace.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 __PROFILER_BACKTRACE_H
+#define __PROFILER_BACKTRACE_H
+
+class SyncProfile;
+class SpliceableJSONWriter;
+class UniqueStacks;
+
+class ProfilerBacktrace
+{
+public:
+ explicit ProfilerBacktrace(SyncProfile* aProfile);
+ ~ProfilerBacktrace();
+
+ // ProfilerBacktraces' stacks are deduplicated in the context of the
+ // profile that contains the backtrace as a marker payload.
+ //
+ // That is, markers that contain backtraces should not need their own stack,
+ // frame, and string tables. They should instead reuse their parent
+ // profile's tables.
+ void StreamJSON(SpliceableJSONWriter& aWriter, UniqueStacks& aUniqueStacks);
+
+private:
+ ProfilerBacktrace(const ProfilerBacktrace&);
+ ProfilerBacktrace& operator=(const ProfilerBacktrace&);
+
+ SyncProfile* mProfile;
+};
+
+#endif // __PROFILER_BACKTRACE_H
+