Move many of v8_inspector dependencies out of core/

sky/engine/core/inspector/AsyncCallStackTracker.cpp

Index: sky/engine/core/inspector/AsyncCallStackTracker.cpp
diff --git a/sky/engine/core/inspector/AsyncCallStackTracker.cpp b/sky/engine/core/inspector/AsyncCallStackTracker.cpp
deleted file mode 100644
index fdd47aa41f1eb3c7934ae12f1f692e635997a923..0000000000000000000000000000000000000000
--- a/sky/engine/core/inspector/AsyncCallStackTracker.cpp
+++ /dev/null
@@ -1,401 +0,0 @@
-/*
- * Copyright (C) 2013 Google 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:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * 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.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
- * OWNER OR 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.
- */
-
-#include "sky/engine/config.h"
-#include "sky/engine/core/inspector/AsyncCallStackTracker.h"
-
-#include "sky/engine/bindings/core/v8/V8Binding.h"
-#include "sky/engine/bindings/core/v8/V8RecursionScope.h"
-#include "sky/engine/core/dom/ExecutionContext.h"
-// #include "core/dom/ExecutionContextTask.h"
-#include "sky/engine/core/events/Event.h"
-#include "sky/engine/core/events/EventTarget.h"
-#include "sky/engine/wtf/text/StringBuilder.h"
-#include "sky/engine/wtf/text/StringHash.h"
-#include "v8/include/v8.h"
-
-namespace {
-
-static const char setTimeoutName[] = "setTimeout";
-static const char setIntervalName[] = "setInterval";
-static const char requestAnimationFrameName[] = "requestAnimationFrame";
-static const char enqueueMutationRecordName[] = "Mutation";
-
-}
-
-namespace blink {
-
-void AsyncCallStackTracker::ExecutionContextData::contextDestroyed()
-{
-    ASSERT(executionContext());
-    OwnPtr<ExecutionContextData> self = m_tracker->m_executionContextDataMap.take(executionContext());
-    ASSERT_UNUSED(self, self == this);
-    ContextLifecycleObserver::contextDestroyed();
-}
-
-int AsyncCallStackTracker::ExecutionContextData::circularSequentialID()
-{
-    ++m_circularSequentialID;
-    if (m_circularSequentialID <= 0)
-        m_circularSequentialID = 1;
-    return m_circularSequentialID;
-}
-
-AsyncCallStackTracker::AsyncCallStack::AsyncCallStack(const String& description, const ScriptValue& callFrames)
-    : m_description(description)
-    , m_callFrames(callFrames)
-{
-}
-
-AsyncCallStackTracker::AsyncCallStack::~AsyncCallStack()
-{
-}
-
-AsyncCallStackTracker::AsyncCallStackTracker()
-    : m_maxAsyncCallStackDepth(0)
-    , m_nestedAsyncCallCount(0)
-{
-}
-
-void AsyncCallStackTracker::setAsyncCallStackDepth(int depth)
-{
-    if (depth <= 0) {
-        m_maxAsyncCallStackDepth = 0;
-        clear();
-    } else {
-        m_maxAsyncCallStackDepth = depth;
-    }
-}
-
-const AsyncCallStackTracker::AsyncCallChain* AsyncCallStackTracker::currentAsyncCallChain() const
-{
-    if (m_currentAsyncCallChain)
-        ensureMaxAsyncCallChainDepth(m_currentAsyncCallChain.get(), m_maxAsyncCallStackDepth);
-    return m_currentAsyncCallChain.get();
-}
-
-void AsyncCallStackTracker::didInstallTimer(ExecutionContext* context, int timerId, bool singleShot, const ScriptValue& callFrames)
-{
-    ASSERT(context);
-    ASSERT(isEnabled());
-    if (!validateCallFrames(callFrames))
-        return;
-    ASSERT(timerId > 0);
-    ExecutionContextData* data = createContextDataIfNeeded(context);
-    data->m_timerCallChains.set(timerId, createAsyncCallChain(singleShot ? setTimeoutName : setIntervalName, callFrames));
-    if (!singleShot)
-        data->m_intervalTimerIds.add(timerId);
-}
-
-void AsyncCallStackTracker::didRemoveTimer(ExecutionContext* context, int timerId)
-{
-    ASSERT(context);
-    ASSERT(isEnabled());
-    if (timerId <= 0)
-        return;
-    ExecutionContextData* data = m_executionContextDataMap.get(context);
-    if (!data)
-        return;
-    data->m_intervalTimerIds.remove(timerId);
-    data->m_timerCallChains.remove(timerId);
-}
-
-void AsyncCallStackTracker::willFireTimer(ExecutionContext* context, int timerId)
-{
-    ASSERT(context);
-    ASSERT(isEnabled());
-    ASSERT(timerId > 0);
-    ASSERT(!m_currentAsyncCallChain);
-    if (ExecutionContextData* data = m_executionContextDataMap.get(context)) {
-        if (data->m_intervalTimerIds.contains(timerId))
-            setCurrentAsyncCallChain(context, data->m_timerCallChains.get(timerId));
-        else
-            setCurrentAsyncCallChain(context, data->m_timerCallChains.take(timerId));
-    } else {
-        setCurrentAsyncCallChain(context, nullptr);
-    }
-}
-
-void AsyncCallStackTracker::didRequestAnimationFrame(ExecutionContext* context, int callbackId, const ScriptValue& callFrames)
-{
-    ASSERT(context);
-    ASSERT(isEnabled());
-    if (!validateCallFrames(callFrames))
-        return;
-    ASSERT(callbackId > 0);
-    ExecutionContextData* data = createContextDataIfNeeded(context);
-    data->m_animationFrameCallChains.set(callbackId, createAsyncCallChain(requestAnimationFrameName, callFrames));
-}
-
-void AsyncCallStackTracker::didCancelAnimationFrame(ExecutionContext* context, int callbackId)
-{
-    ASSERT(context);
-    ASSERT(isEnabled());
-    if (callbackId <= 0)
-        return;
-    if (ExecutionContextData* data = m_executionContextDataMap.get(context))
-        data->m_animationFrameCallChains.remove(callbackId);
-}
-
-void AsyncCallStackTracker::willFireAnimationFrame(ExecutionContext* context, int callbackId)
-{
-    ASSERT(context);
-    ASSERT(isEnabled());
-    ASSERT(callbackId > 0);
-    ASSERT(!m_currentAsyncCallChain);
-    if (ExecutionContextData* data = m_executionContextDataMap.get(context))
-        setCurrentAsyncCallChain(context, data->m_animationFrameCallChains.take(callbackId));
-    else
-        setCurrentAsyncCallChain(context, nullptr);
-}
-
-void AsyncCallStackTracker::didEnqueueEvent(EventTarget* eventTarget, Event* event, const ScriptValue& callFrames)
-{
-    ASSERT(eventTarget->executionContext());
-    ASSERT(isEnabled());
-    if (!validateCallFrames(callFrames))
-        return;
-    ExecutionContextData* data = createContextDataIfNeeded(eventTarget->executionContext());
-    data->m_eventCallChains.set(event, createAsyncCallChain(event->type(), callFrames));
-}
-
-void AsyncCallStackTracker::didRemoveEvent(EventTarget* eventTarget, Event* event)
-{
-    ASSERT(eventTarget->executionContext());
-    ASSERT(isEnabled());
-    if (ExecutionContextData* data = m_executionContextDataMap.get(eventTarget->executionContext()))
-        data->m_eventCallChains.remove(event);
-}
-
-void AsyncCallStackTracker::willHandleEvent(EventTarget* eventTarget, Event* event, EventListener* listener, bool useCapture)
-{
-    ASSERT(eventTarget->executionContext());
-    ASSERT(isEnabled());
-    ExecutionContext* context = eventTarget->executionContext();
-    if (ExecutionContextData* data = m_executionContextDataMap.get(context))
-        setCurrentAsyncCallChain(context, data->m_eventCallChains.get(event));
-    else
-        setCurrentAsyncCallChain(context, nullptr);
-}
-
-void AsyncCallStackTracker::didEnqueueMutationRecord(ExecutionContext* context, MutationObserver* observer, const ScriptValue& callFrames)
-{
-    ASSERT(context);
-    ASSERT(isEnabled());
-    if (!validateCallFrames(callFrames))
-        return;
-    ExecutionContextData* data = createContextDataIfNeeded(context);
-    data->m_mutationObserverCallChains.set(observer, createAsyncCallChain(enqueueMutationRecordName, callFrames));
-}
-
-bool AsyncCallStackTracker::hasEnqueuedMutationRecord(ExecutionContext* context, MutationObserver* observer)
-{
-    ASSERT(context);
-    ASSERT(isEnabled());
-    if (ExecutionContextData* data = m_executionContextDataMap.get(context))
-        return data->m_mutationObserverCallChains.contains(observer);
-    return false;
-}
-
-void AsyncCallStackTracker::didClearAllMutationRecords(ExecutionContext* context, MutationObserver* observer)
-{
-    ASSERT(context);
-    ASSERT(isEnabled());
-    if (ExecutionContextData* data = m_executionContextDataMap.get(context))
-        data->m_mutationObserverCallChains.remove(observer);
-}
-
-void AsyncCallStackTracker::willDeliverMutationRecords(ExecutionContext* context, MutationObserver* observer)
-{
-    ASSERT(context);
-    ASSERT(isEnabled());
-    if (ExecutionContextData* data = m_executionContextDataMap.get(context))
-        setCurrentAsyncCallChain(context, data->m_mutationObserverCallChains.take(observer));
-    else
-        setCurrentAsyncCallChain(context, nullptr);
-}
-
-// void AsyncCallStackTracker::didPostExecutionContextTask(ExecutionContext* context, ExecutionContextTask* task, const ScriptValue& callFrames)
-// {
-//     ASSERT(context);
-//     ASSERT(isEnabled());
-//     if (!validateCallFrames(callFrames))
-//         return;
-//     ExecutionContextData* data = createContextDataIfNeeded(context);
-//     data->m_executionContextTaskCallChains.set(task, createAsyncCallChain(task->taskNameForInstrumentation(), callFrames));
-// }
-
-// void AsyncCallStackTracker::didKillAllExecutionContextTasks(ExecutionContext* context)
-// {
-//     ASSERT(context);
-//     ASSERT(isEnabled());
-//     if (ExecutionContextData* data = m_executionContextDataMap.get(context))
-//         data->m_executionContextTaskCallChains.clear();
-// }
-
-// void AsyncCallStackTracker::willPerformExecutionContextTask(ExecutionContext* context, ExecutionContextTask* task)
-// {
-//     ASSERT(context);
-//     ASSERT(isEnabled());
-//     if (ExecutionContextData* data = m_executionContextDataMap.get(context))
-//         setCurrentAsyncCallChain(context, data->m_executionContextTaskCallChains.take(task));
-//     else
-//         setCurrentAsyncCallChain(context, nullptr);
-// }
-
-static String makeV8AsyncTaskUniqueId(const String& eventName, int id)
-{
-    StringBuilder builder;
-    builder.append(eventName);
-    builder.appendNumber(id);
-    return builder.toString();
-}
-
-void AsyncCallStackTracker::didEnqueueV8AsyncTask(ExecutionContext* context, const String& eventName, int id, const ScriptValue& callFrames)
-{
-    ASSERT(context);
-    ASSERT(isEnabled());
-    if (!validateCallFrames(callFrames))
-        return;
-    ExecutionContextData* data = createContextDataIfNeeded(context);
-    data->m_v8AsyncTaskCallChains.set(makeV8AsyncTaskUniqueId(eventName, id), createAsyncCallChain(eventName, callFrames));
-}
-
-void AsyncCallStackTracker::willHandleV8AsyncTask(ExecutionContext* context, const String& eventName, int id)
-{
-    ASSERT(context);
-    ASSERT(isEnabled());
-    if (ExecutionContextData* data = m_executionContextDataMap.get(context))
-        setCurrentAsyncCallChain(context, data->m_v8AsyncTaskCallChains.take(makeV8AsyncTaskUniqueId(eventName, id)));
-    else
-        setCurrentAsyncCallChain(context, nullptr);
-}
-
-int AsyncCallStackTracker::traceAsyncOperationStarting(ExecutionContext* context, const String& operationName, const ScriptValue& callFrames)
-{
-    ASSERT(context);
-    ASSERT(isEnabled());
-    if (!validateCallFrames(callFrames))
-        return 0;
-    ExecutionContextData* data = createContextDataIfNeeded(context);
-    int id = data->circularSequentialID();
-    while (data->m_asyncOperationCallChains.contains(id))
-        id = data->circularSequentialID();
-    data->m_asyncOperationCallChains.set(id, createAsyncCallChain(operationName, callFrames));
-    return id;
-}
-
-void AsyncCallStackTracker::traceAsyncOperationCompleted(ExecutionContext* context, int operationId)
-{
-    ASSERT(context);
-    ASSERT(isEnabled());
-    if (operationId <= 0)
-        return;
-    if (ExecutionContextData* data = m_executionContextDataMap.get(context))
-        data->m_asyncOperationCallChains.remove(operationId);
-}
-
-void AsyncCallStackTracker::traceAsyncCallbackStarting(ExecutionContext* context, int operationId)
-{
-    ASSERT(context);
-    ASSERT(isEnabled());
-    if (ExecutionContextData* data = m_executionContextDataMap.get(context))
-        setCurrentAsyncCallChain(context, operationId > 0 ? data->m_asyncOperationCallChains.get(operationId) : nullptr);
-    else
-        setCurrentAsyncCallChain(context, nullptr);
-}
-
-void AsyncCallStackTracker::didFireAsyncCall()
-{
-    clearCurrentAsyncCallChain();
-}
-
-PassRefPtr<AsyncCallStackTracker::AsyncCallChain> AsyncCallStackTracker::createAsyncCallChain(const String& description, const ScriptValue& callFrames)
-{
-    if (callFrames.isEmpty()) {
-        ASSERT(m_currentAsyncCallChain);
-        return m_currentAsyncCallChain; // Propogate async call stack chain.
-    }
-    RefPtr<AsyncCallChain> chain = adoptRef(m_currentAsyncCallChain ? new AsyncCallStackTracker::AsyncCallChain(*m_currentAsyncCallChain) : new AsyncCallStackTracker::AsyncCallChain());
-    ensureMaxAsyncCallChainDepth(chain.get(), m_maxAsyncCallStackDepth - 1);
-    chain->m_callStacks.prepend(adoptRef(new AsyncCallStackTracker::AsyncCallStack(description, callFrames)));
-    return chain.release();
-}
-
-void AsyncCallStackTracker::setCurrentAsyncCallChain(ExecutionContext* context, PassRefPtr<AsyncCallChain> chain)
-{
-    if (chain && !V8RecursionScope::recursionLevel(toIsolate(context))) {
-        // Current AsyncCallChain corresponds to the bottommost JS call frame.
-        m_currentAsyncCallChain = chain;
-        m_nestedAsyncCallCount = 1;
-    } else {
-        if (m_currentAsyncCallChain)
-            ++m_nestedAsyncCallCount;
-    }
-}
-
-void AsyncCallStackTracker::clearCurrentAsyncCallChain()
-{
-    if (!m_nestedAsyncCallCount)
-        return;
-    --m_nestedAsyncCallCount;
-    if (!m_nestedAsyncCallCount)
-        m_currentAsyncCallChain.clear();
-}
-
-void AsyncCallStackTracker::ensureMaxAsyncCallChainDepth(AsyncCallChain* chain, unsigned maxDepth)
-{
-    while (chain->m_callStacks.size() > maxDepth)
-        chain->m_callStacks.removeLast();
-}
-
-bool AsyncCallStackTracker::validateCallFrames(const ScriptValue& callFrames)
-{
-    return !callFrames.isEmpty() || m_currentAsyncCallChain;
-}
-
-AsyncCallStackTracker::ExecutionContextData* AsyncCallStackTracker::createContextDataIfNeeded(ExecutionContext* context)
-{
-    ExecutionContextData* data = m_executionContextDataMap.get(context);
-    if (!data) {
-        data = m_executionContextDataMap.set(context, adoptPtr(new AsyncCallStackTracker::ExecutionContextData(this, context)))
-            .storedValue->value.get();
-    }
-    return data;
-}
-
-void AsyncCallStackTracker::clear()
-{
-    m_currentAsyncCallChain.clear();
-    m_nestedAsyncCallCount = 0;
-    m_executionContextDataMap.clear();
-}
-
-} // namespace blink