Revert of [inspector] Initial import of v8_inspector.

src/inspector/V8InspectorSessionImpl.cpp

-// Copyright 2016 the V8 project 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 "src/inspector/V8InspectorSessionImpl.h"
-
-#include "src/inspector/InjectedScript.h"
-#include "src/inspector/InspectedContext.h"
-#include "src/inspector/RemoteObjectId.h"
-#include "src/inspector/SearchUtil.h"
-#include "src/inspector/StringUtil.h"
-#include "src/inspector/V8ConsoleAgentImpl.h"
-#include "src/inspector/V8Debugger.h"
-#include "src/inspector/V8DebuggerAgentImpl.h"
-#include "src/inspector/V8HeapProfilerAgentImpl.h"
-#include "src/inspector/V8InspectorImpl.h"
-#include "src/inspector/V8ProfilerAgentImpl.h"
-#include "src/inspector/V8RuntimeAgentImpl.h"
-#include "src/inspector/V8SchemaAgentImpl.h"
-#include "src/inspector/protocol/Protocol.h"
-#include "src/inspector/public/V8ContextInfo.h"
-#include "src/inspector/public/V8InspectorClient.h"
-
-namespace v8_inspector {
-
-// static
-bool V8InspectorSession::canDispatchMethod(const StringView& method)
-{
-    return stringViewStartsWith(method, protocol::Runtime::Metainfo::commandPrefix)
-        || stringViewStartsWith(method, protocol::Debugger::Metainfo::commandPrefix)
-        || stringViewStartsWith(method, protocol::Profiler::Metainfo::commandPrefix)
-        || stringViewStartsWith(method, protocol::HeapProfiler::Metainfo::commandPrefix)
-        || stringViewStartsWith(method, protocol::Console::Metainfo::commandPrefix)
-        || stringViewStartsWith(method, protocol::Schema::Metainfo::commandPrefix);
-}
-
-std::unique_ptr<V8InspectorSessionImpl> V8InspectorSessionImpl::create(V8InspectorImpl* inspector, int contextGroupId, V8Inspector::Channel* channel, const StringView& state)
-{
-    return wrapUnique(new V8InspectorSessionImpl(inspector, contextGroupId, channel, state));
-}
-
-V8InspectorSessionImpl::V8InspectorSessionImpl(V8InspectorImpl* inspector, int contextGroupId, V8Inspector::Channel* channel, const StringView& savedState)
-    : m_contextGroupId(contextGroupId)
-    , m_inspector(inspector)
-    , m_channel(channel)
-    , m_customObjectFormatterEnabled(false)
-    , m_dispatcher(this)
-    , m_state(nullptr)
-    , m_runtimeAgent(nullptr)
-    , m_debuggerAgent(nullptr)
-    , m_heapProfilerAgent(nullptr)
-    , m_profilerAgent(nullptr)
-    , m_consoleAgent(nullptr)
-    , m_schemaAgent(nullptr)
-{
-    if (savedState.length()) {
-        std::unique_ptr<protocol::Value> state = protocol::parseJSON(toString16(savedState));
-        if (state)
-            m_state = protocol::DictionaryValue::cast(std::move(state));
-        if (!m_state)
-            m_state = protocol::DictionaryValue::create();
-    } else {
-        m_state = protocol::DictionaryValue::create();
-    }
-
-    m_runtimeAgent = wrapUnique(new V8RuntimeAgentImpl(this, this, agentState(protocol::Runtime::Metainfo::domainName)));
-    protocol::Runtime::Dispatcher::wire(&m_dispatcher, m_runtimeAgent.get());
-
-    m_debuggerAgent = wrapUnique(new V8DebuggerAgentImpl(this, this, agentState(protocol::Debugger::Metainfo::domainName)));
-    protocol::Debugger::Dispatcher::wire(&m_dispatcher, m_debuggerAgent.get());
-
-    m_profilerAgent = wrapUnique(new V8ProfilerAgentImpl(this, this, agentState(protocol::Profiler::Metainfo::domainName)));
-    protocol::Profiler::Dispatcher::wire(&m_dispatcher, m_profilerAgent.get());
-
-    m_heapProfilerAgent = wrapUnique(new V8HeapProfilerAgentImpl(this, this, agentState(protocol::HeapProfiler::Metainfo::domainName)));
-    protocol::HeapProfiler::Dispatcher::wire(&m_dispatcher, m_heapProfilerAgent.get());
-
-    m_consoleAgent = wrapUnique(new V8ConsoleAgentImpl(this, this, agentState(protocol::Console::Metainfo::domainName)));
-    protocol::Console::Dispatcher::wire(&m_dispatcher, m_consoleAgent.get());
-
-    m_schemaAgent = wrapUnique(new V8SchemaAgentImpl(this, this, agentState(protocol::Schema::Metainfo::domainName)));
-    protocol::Schema::Dispatcher::wire(&m_dispatcher, m_schemaAgent.get());
-
-    if (savedState.length()) {
-        m_runtimeAgent->restore();
-        m_debuggerAgent->restore();
-        m_heapProfilerAgent->restore();
-        m_profilerAgent->restore();
-        m_consoleAgent->restore();
-    }
-}
-
-V8InspectorSessionImpl::~V8InspectorSessionImpl()
-{
-    ErrorString errorString;
-    m_consoleAgent->disable(&errorString);
-    m_profilerAgent->disable(&errorString);
-    m_heapProfilerAgent->disable(&errorString);
-    m_debuggerAgent->disable(&errorString);
-    m_runtimeAgent->disable(&errorString);
-
-    discardInjectedScripts();
-    m_inspector->disconnect(this);
-}
-
-protocol::DictionaryValue* V8InspectorSessionImpl::agentState(const String16& name)
-{
-    protocol::DictionaryValue* state = m_state->getObject(name);
-    if (!state) {
-        std::unique_ptr<protocol::DictionaryValue> newState = protocol::DictionaryValue::create();
-        state = newState.get();
-        m_state->setObject(name, std::move(newState));
-    }
-    return state;
-}
-
-void V8InspectorSessionImpl::sendProtocolResponse(int callId, const String16& message)
-{
-    m_channel->sendProtocolResponse(callId, toStringView(message));
-}
-
-void V8InspectorSessionImpl::sendProtocolNotification(const String16& message)
-{
-    m_channel->sendProtocolNotification(toStringView(message));
-}
-
-void V8InspectorSessionImpl::flushProtocolNotifications()
-{
-    m_channel->flushProtocolNotifications();
-}
-
-void V8InspectorSessionImpl::reset()
-{
-    m_debuggerAgent->reset();
-    m_runtimeAgent->reset();
-    discardInjectedScripts();
-}
-
-void V8InspectorSessionImpl::discardInjectedScripts()
-{
-    m_inspectedObjects.clear();
-    const V8InspectorImpl::ContextByIdMap* contexts = m_inspector->contextGroup(m_contextGroupId);
-    if (!contexts)
-        return;
-
-    std::vector<int> keys;
-    keys.reserve(contexts->size());
-    for (auto& idContext : *contexts)
-        keys.push_back(idContext.first);
-    for (auto& key : keys) {
-        contexts = m_inspector->contextGroup(m_contextGroupId);
-        if (!contexts)
-            continue;
-        auto contextIt = contexts->find(key);
-        if (contextIt != contexts->end())
-            contextIt->second->discardInjectedScript(); // This may destroy some contexts.
-    }
-}
-
-InjectedScript* V8InspectorSessionImpl::findInjectedScript(ErrorString* errorString, int contextId)
-{
-    if (!contextId) {
-        *errorString = "Cannot find context with specified id";
-        return nullptr;
-    }
-
-    const V8InspectorImpl::ContextByIdMap* contexts = m_inspector->contextGroup(m_contextGroupId);
-    if (!contexts) {
-        *errorString = "Cannot find context with specified id";
-        return nullptr;
-    }
-
-    auto contextsIt = contexts->find(contextId);
-    if (contextsIt == contexts->end()) {
-        *errorString = "Cannot find context with specified id";
-        return nullptr;
-    }
-
-    const std::unique_ptr<InspectedContext>& context = contextsIt->second;
-    if (!context->getInjectedScript()) {
-        context->createInjectedScript();
-        if (!context->getInjectedScript()) {
-            *errorString = "Cannot access specified execution context";
-            return nullptr;
-        }
-        if (m_customObjectFormatterEnabled)
-            context->getInjectedScript()->setCustomObjectFormatterEnabled(true);
-    }
-    return context->getInjectedScript();
-}
-
-InjectedScript* V8InspectorSessionImpl::findInjectedScript(ErrorString* errorString, RemoteObjectIdBase* objectId)
-{
-    return objectId ? findInjectedScript(errorString, objectId->contextId()) : nullptr;
-}
-
-void V8InspectorSessionImpl::releaseObjectGroup(const StringView& objectGroup)
-{
-    releaseObjectGroup(toString16(objectGroup));
-}
-
-void V8InspectorSessionImpl::releaseObjectGroup(const String16& objectGroup)
-{
-    const V8InspectorImpl::ContextByIdMap* contexts = m_inspector->contextGroup(m_contextGroupId);
-    if (!contexts)
-        return;
-
-    std::vector<int> keys;
-    for (auto& idContext : *contexts)
-        keys.push_back(idContext.first);
-    for (auto& key : keys) {
-        contexts = m_inspector->contextGroup(m_contextGroupId);
-        if (!contexts)
-            continue;
-        auto contextsIt = contexts->find(key);
-        if (contextsIt == contexts->end())
-            continue;
-        InjectedScript* injectedScript = contextsIt->second->getInjectedScript();
-        if (injectedScript)
-            injectedScript->releaseObjectGroup(objectGroup); // This may destroy some contexts.
-    }
-}
-
-bool V8InspectorSessionImpl::unwrapObject(std::unique_ptr<StringBuffer>* error, const StringView& objectId, v8::Local<v8::Value>* object, v8::Local<v8::Context>* context, std::unique_ptr<StringBuffer>* objectGroup)
-{
-    ErrorString errorString;
-    String16 objectGroupString;
-    bool result = unwrapObject(&errorString, toString16(objectId), object, context, objectGroup ? &objectGroupString : nullptr);
-    if (error)
-        *error = StringBufferImpl::adopt(errorString);
-    if (objectGroup)
-        *objectGroup = StringBufferImpl::adopt(objectGroupString);
-    return result;
-}
-
-bool V8InspectorSessionImpl::unwrapObject(ErrorString* errorString, const String16& objectId, v8::Local<v8::Value>* object, v8::Local<v8::Context>* context, String16* objectGroup)
-{
-    std::unique_ptr<RemoteObjectId> remoteId = RemoteObjectId::parse(errorString, objectId);
-    if (!remoteId)
-        return false;
-    InjectedScript* injectedScript = findInjectedScript(errorString, remoteId.get());
-    if (!injectedScript)
-        return false;
-    if (!injectedScript->findObject(errorString, *remoteId, object))
-        return false;
-    *context = injectedScript->context()->context();
-    if (objectGroup)
-        *objectGroup = injectedScript->objectGroupName(*remoteId);
-    return true;
-}
-
-std::unique_ptr<protocol::Runtime::API::RemoteObject> V8InspectorSessionImpl::wrapObject(v8::Local<v8::Context> context, v8::Local<v8::Value> value, const StringView& groupName)
-{
-    return wrapObject(context, value, toString16(groupName), false);
-}
-
-std::unique_ptr<protocol::Runtime::RemoteObject> V8InspectorSessionImpl::wrapObject(v8::Local<v8::Context> context, v8::Local<v8::Value> value, const String16& groupName, bool generatePreview)
-{
-    ErrorString errorString;
-    InjectedScript* injectedScript = findInjectedScript(&errorString, V8Debugger::contextId(context));
-    if (!injectedScript)
-        return nullptr;
-    return injectedScript->wrapObject(&errorString, value, groupName, false, generatePreview);
-}
-
-std::unique_ptr<protocol::Runtime::RemoteObject> V8InspectorSessionImpl::wrapTable(v8::Local<v8::Context> context, v8::Local<v8::Value> table, v8::Local<v8::Value> columns)
-{
-    ErrorString errorString;
-    InjectedScript* injectedScript = findInjectedScript(&errorString, V8Debugger::contextId(context));
-    if (!injectedScript)
-        return nullptr;
-    return injectedScript->wrapTable(table, columns);
-}
-
-void V8InspectorSessionImpl::setCustomObjectFormatterEnabled(bool enabled)
-{
-    m_customObjectFormatterEnabled = enabled;
-    const V8InspectorImpl::ContextByIdMap* contexts = m_inspector->contextGroup(m_contextGroupId);
-    if (!contexts)
-        return;
-    for (auto& idContext : *contexts) {
-        InjectedScript* injectedScript = idContext.second->getInjectedScript();
-        if (injectedScript)
-            injectedScript->setCustomObjectFormatterEnabled(enabled);
-    }
-}
-
-void V8InspectorSessionImpl::reportAllContexts(V8RuntimeAgentImpl* agent)
-{
-    const V8InspectorImpl::ContextByIdMap* contexts = m_inspector->contextGroup(m_contextGroupId);
-    if (!contexts)
-        return;
-    for (auto& idContext : *contexts)
-        agent->reportExecutionContextCreated(idContext.second.get());
-}
-
-void V8InspectorSessionImpl::dispatchProtocolMessage(const StringView& message)
-{
-    m_dispatcher.dispatch(protocol::parseJSON(message));
-}
-
-std::unique_ptr<StringBuffer> V8InspectorSessionImpl::stateJSON()
-{
-    String16 json = m_state->toJSONString();
-    return StringBufferImpl::adopt(json);
-}
-
-std::vector<std::unique_ptr<protocol::Schema::API::Domain>> V8InspectorSessionImpl::supportedDomains()
-{
-    std::vector<std::unique_ptr<protocol::Schema::Domain>> domains = supportedDomainsImpl();
-    std::vector<std::unique_ptr<protocol::Schema::API::Domain>> result;
-    for (size_t i = 0; i < domains.size(); ++i)
-        result.push_back(std::move(domains[i]));
-    return result;
-}
-
-std::vector<std::unique_ptr<protocol::Schema::Domain>> V8InspectorSessionImpl::supportedDomainsImpl()
-{
-    std::vector<std::unique_ptr<protocol::Schema::Domain>> result;
-    result.push_back(protocol::Schema::Domain::create().setName(protocol::Runtime::Metainfo::domainName).setVersion(protocol::Runtime::Metainfo::version).build());
-    result.push_back(protocol::Schema::Domain::create().setName(protocol::Debugger::Metainfo::domainName).setVersion(protocol::Debugger::Metainfo::version).build());
-    result.push_back(protocol::Schema::Domain::create().setName(protocol::Profiler::Metainfo::domainName).setVersion(protocol::Profiler::Metainfo::version).build());
-    result.push_back(protocol::Schema::Domain::create().setName(protocol::HeapProfiler::Metainfo::domainName).setVersion(protocol::HeapProfiler::Metainfo::version).build());
-    result.push_back(protocol::Schema::Domain::create().setName(protocol::Schema::Metainfo::domainName).setVersion(protocol::Schema::Metainfo::version).build());
-    return result;
-}
-
-void V8InspectorSessionImpl::addInspectedObject(std::unique_ptr<V8InspectorSession::Inspectable> inspectable)
-{
-    m_inspectedObjects.insert(m_inspectedObjects.begin(), std::move(inspectable));
-    if (m_inspectedObjects.size() > kInspectedObjectBufferSize)
-        m_inspectedObjects.resize(kInspectedObjectBufferSize);
-}
-
-V8InspectorSession::Inspectable* V8InspectorSessionImpl::inspectedObject(unsigned num)
-{
-    if (num >= m_inspectedObjects.size())
-        return nullptr;
-    return m_inspectedObjects[num].get();
-}
-
-void V8InspectorSessionImpl::schedulePauseOnNextStatement(const StringView& breakReason, const StringView& breakDetails)
-{
-    m_debuggerAgent->schedulePauseOnNextStatement(toString16(breakReason), protocol::DictionaryValue::cast(protocol::parseJSON(breakDetails)));
-}
-
-void V8InspectorSessionImpl::cancelPauseOnNextStatement()
-{
-    m_debuggerAgent->cancelPauseOnNextStatement();
-}
-
-void V8InspectorSessionImpl::breakProgram(const StringView& breakReason, const StringView& breakDetails)
-{
-    m_debuggerAgent->breakProgram(toString16(breakReason), protocol::DictionaryValue::cast(protocol::parseJSON(breakDetails)));
-}
-
-void V8InspectorSessionImpl::setSkipAllPauses(bool skip)
-{
-    ErrorString errorString;
-    m_debuggerAgent->setSkipAllPauses(&errorString, skip);
-}
-
-void V8InspectorSessionImpl::resume()
-{
-    ErrorString errorString;
-    m_debuggerAgent->resume(&errorString);
-}
-
-void V8InspectorSessionImpl::stepOver()
-{
-    ErrorString errorString;
-    m_debuggerAgent->stepOver(&errorString);
-}
-
-std::vector<std::unique_ptr<protocol::Debugger::API::SearchMatch>> V8InspectorSessionImpl::searchInTextByLines(const StringView& text, const StringView& query, bool caseSensitive, bool isRegex)
-{
-    // TODO(dgozman): search may operate on StringView and avoid copying |text|.
-    std::vector<std::unique_ptr<protocol::Debugger::SearchMatch>> matches = searchInTextByLinesImpl(this, toString16(text), toString16(query), caseSensitive, isRegex);
-    std::vector<std::unique_ptr<protocol::Debugger::API::SearchMatch>> result;
-    for (size_t i = 0; i < matches.size(); ++i)
-        result.push_back(std::move(matches[i]));
-    return result;
-}
-
-} // namespace v8_inspector