webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 84 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/inspector/agents/InspectorScriptProfilerAgent.h b/Source/JavaScriptCore/inspector/agents/InspectorScriptProfilerAgent.h
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+++ b/Source/JavaScriptCore/inspector/agents/InspectorScriptProfilerAgent.h
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+/*
+ * Copyright (C) 2015-2016 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include "InspectorBackendDispatchers.h"
+#include "InspectorFrontendDispatchers.h"
+#include "inspector/InspectorAgentBase.h"
+#include "inspector/ScriptDebugServer.h"
+#include <wtf/Noncopyable.h>
+
+namespace JSC {
+class Profile;
+}
+
+namespace Inspector {
+
+typedef String ErrorString;
+
+class JS_EXPORT_PRIVATE InspectorScriptProfilerAgent final : public InspectorAgentBase, public ScriptProfilerBackendDispatcherHandler, public JSC::Debugger::ProfilingClient {
+    WTF_MAKE_NONCOPYABLE(InspectorScriptProfilerAgent);
+public:
+    InspectorScriptProfilerAgent(AgentContext&);
+    virtual ~InspectorScriptProfilerAgent();
+
+    void didCreateFrontendAndBackend(FrontendRouter*, BackendDispatcher*) override;
+    void willDestroyFrontendAndBackend(DisconnectReason) override;
+
+    // ScriptProfilerBackendDispatcherHandler
+    void startTracking(ErrorString&, const bool* const includeSamples) override;
+    void stopTracking(ErrorString&) override;
+
+    void programmaticCaptureStarted();
+    void programmaticCaptureStopped();
+
+    // Debugger::ProfilingClient
+    bool isAlreadyProfiling() const override;
+    double willEvaluateScript() override;
+    void didEvaluateScript(double, JSC::ProfilingReason) override;
+
+private:
+    struct Event {
+        Event(double start, double end) : startTime(start), endTime(end) { }
+        double startTime { 0 };
+        double endTime { 0 };
+    };
+
+    void addEvent(double startTime, double endTime, JSC::ProfilingReason);
+    void trackingComplete();
+    void stopSamplingWhenDisconnecting();
+
+    std::unique_ptr<ScriptProfilerFrontendDispatcher> m_frontendDispatcher;
+    RefPtr<ScriptProfilerBackendDispatcher> m_backendDispatcher;
+    InspectorEnvironment& m_environment;
+    bool m_tracking { false };
+#if ENABLE(SAMPLING_PROFILER)
+    bool m_enabledSamplingProfiler { false };
+#endif
+    bool m_activeEvaluateScript { false };
+};
+
+} // namespace Inspector