DevTools: remove DOM and Bindings dependencies from inspector/v8.

third_party/WebKit/Source/core/inspector/PromiseTracker.cpp

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "core/inspector/PromiseTracker.h"
-
-#include "bindings/core/v8/ScriptCallStackFactory.h"
-#include "core/inspector/ScriptAsyncCallStack.h"
-#include "wtf/CurrentTime.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/WeakPtr.h"
-
-using blink::TypeBuilder::Array;
-using blink::TypeBuilder::Console::CallFrame;
-using blink::TypeBuilder::Debugger::PromiseDetails;
-
-namespace blink {
-
-class PromiseTracker::PromiseWeakCallbackData final {
-    WTF_MAKE_NONCOPYABLE(PromiseWeakCallbackData);
-public:
-    PromiseWeakCallbackData(PromiseTracker* tracker, int id)
-        : m_tracker(tracker->m_weakPtrFactory.createWeakPtr())
-        , m_id(id)
-    {
-    }
-
-    ~PromiseWeakCallbackData()
-    {
-        if (!m_tracker)
-            return;
-        RefPtr<PromiseDetails> promiseDetails = PromiseDetails::create().setId(m_id);
-        m_tracker->m_listener->didUpdatePromise(InspectorFrontend::Debugger::EventType::Gc, promiseDetails.release());
-    }
-
-    WeakPtr<PromiseTracker> m_tracker;
-    int m_id;
-};
-
-PromiseTracker::IdToPromiseMapTraits::WeakCallbackDataType* PromiseTracker::IdToPromiseMapTraits::WeakCallbackParameter(MapType* map, int key, v8::Local<v8::Object>& value)
-{
-    // This method is called when promise is added into the map, hence the map must be alive at this point. The tracker in turn must be alive too.
-    PromiseTracker* tracker = reinterpret_cast<PromiseTracker*>(reinterpret_cast<intptr_t>(map) - offsetof(PromiseTracker, m_idToPromise));
-    return new PromiseWeakCallbackData(tracker, key);
-}
-
-void PromiseTracker::IdToPromiseMapTraits::DisposeCallbackData(WeakCallbackDataType* callbackData)
-{
-    delete callbackData;
-}
-
-void PromiseTracker::IdToPromiseMapTraits::DisposeWeak(const v8::WeakCallbackInfo<WeakCallbackDataType>& data)
-{
-    delete data.GetParameter();
-}
-
-PromiseTracker::IdToPromiseMapTraits::MapType* PromiseTracker::IdToPromiseMapTraits::MapFromWeakCallbackInfo(const v8::WeakCallbackInfo<WeakCallbackDataType>& info)
-{
-    return &info.GetParameter()->m_tracker->m_idToPromise;
-}
-
-int PromiseTracker::IdToPromiseMapTraits::KeyFromWeakCallbackInfo(const v8::WeakCallbackInfo<WeakCallbackDataType>& info)
-{
-    return info.GetParameter()->m_id;
-}
-
-PromiseTracker::PromiseTracker(Listener* listener, v8::Isolate* isolate)
-    : m_circularSequentialId(0)
-    , m_isEnabled(false)
-    , m_captureStacks(false)
-    , m_listener(listener)
-    , m_isolate(isolate)
-    , m_weakPtrFactory(this)
-    , m_idToPromise(isolate)
-{
-    clear();
-}
-
-PromiseTracker::~PromiseTracker()
-{
-}
-
-void PromiseTracker::setEnabled(bool enabled, bool captureStacks)
-{
-    m_isEnabled = enabled;
-    m_captureStacks = captureStacks;
-    if (!enabled)
-        clear();
-}
-
-void PromiseTracker::clear()
-{
-    v8::HandleScope scope(m_isolate);
-    m_promiseToId.Reset(m_isolate, v8::NativeWeakMap::New(m_isolate));
-    m_idToPromise.Clear();
-}
-
-int PromiseTracker::circularSequentialId()
-{
-    ++m_circularSequentialId;
-    if (m_circularSequentialId <= 0)
-        m_circularSequentialId = 1;
-    return m_circularSequentialId;
-}
-
-int PromiseTracker::promiseId(v8::Local<v8::Object> promise, bool* isNewPromise)
-{
-    v8::HandleScope scope(m_isolate);
-    v8::Local<v8::NativeWeakMap> map = v8::Local<v8::NativeWeakMap>::New(m_isolate, m_promiseToId);
-    v8::Local<v8::Value> value = map->Get(promise);
-    if (value->IsInt32()) {
-        *isNewPromise = false;
-        return value.As<v8::Int32>()->Value();
-    }
-    *isNewPromise = true;
-    int id = circularSequentialId();
-    map->Set(promise, v8::Int32::New(m_isolate, id));
-    m_idToPromise.Set(id, promise);
-    return id;
-}
-
-void PromiseTracker::didReceiveV8PromiseEvent(v8::Local<v8::Context> context, v8::Local<v8::Object> promise, v8::Local<v8::Value> parentPromise, int status)
-{
-    ASSERT(isEnabled());
-    ASSERT(!context.IsEmpty());
-
-    bool isNewPromise = false;
-    int id = promiseId(promise, &isNewPromise);
-
-    InspectorFrontend::Debugger::EventType::Enum eventType = isNewPromise ? InspectorFrontend::Debugger::EventType::New : InspectorFrontend::Debugger::EventType::Update;
-
-    PromiseDetails::Status::Enum promiseStatus;
-    switch (status) {
-    case 0:
-        promiseStatus = PromiseDetails::Status::Pending;
-        break;
-    case 1:
-        promiseStatus = PromiseDetails::Status::Resolved;
-        break;
-    default:
-        promiseStatus = PromiseDetails::Status::Rejected;
-    };
-    RefPtr<PromiseDetails> promiseDetails = PromiseDetails::create().setId(id);
-    promiseDetails->setStatus(promiseStatus);
-
-    if (!parentPromise.IsEmpty() && parentPromise->IsObject()) {
-        v8::Local<v8::Object> handle = parentPromise->ToObject(context->GetIsolate());
-        bool parentIsNewPromise = false;
-        int parentPromiseId = promiseId(handle, &parentIsNewPromise);
-        promiseDetails->setParentId(parentPromiseId);
-    } else {
-        if (!status) {
-            if (isNewPromise) {
-                promiseDetails->setCreationTime(currentTimeMS());
-                RefPtr<ScriptCallStack> stack = currentScriptCallStack(m_captureStacks ? ScriptCallStack::maxCallStackSizeToCapture : 1);
-                if (stack) {
-                    if (stack->size()) {
-                        promiseDetails->setCallFrame(stack->at(0).buildInspectorObject());
-                        if (m_captureStacks)
-                            promiseDetails->setCreationStack(stack->buildInspectorArray());
-                    }
-                    RefPtr<ScriptAsyncCallStack> asyncCallStack = stack->asyncCallStack();
-                    if (m_captureStacks && asyncCallStack)
-                        promiseDetails->setAsyncCreationStack(asyncCallStack->buildInspectorObject());
-                }
-            }
-        } else {
-            promiseDetails->setSettlementTime(currentTimeMS());
-            if (m_captureStacks) {
-                RefPtr<ScriptCallStack> stack = currentScriptCallStack(ScriptCallStack::maxCallStackSizeToCapture);
-                if (stack) {
-                    if (stack->size())
-                        promiseDetails->setSettlementStack(stack->buildInspectorArray());
-                    if (RefPtr<ScriptAsyncCallStack> asyncCallStack = stack->asyncCallStack())
-                        promiseDetails->setAsyncSettlementStack(asyncCallStack->buildInspectorObject());
-                }
-            }
-        }
-    }
-
-    m_listener->didUpdatePromise(eventType, promiseDetails.release());
-}
-
-v8::Local<v8::Object> PromiseTracker::promiseById(int promiseId)
-{
-    ASSERT(isEnabled());
-    return m_idToPromise.Get(promiseId);
-}
-
-} // namespace blink