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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/react-native/ReactCommon/jsinspector-modern
Просмотр файла: InstanceTarget.h
/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include "ExecutionContextManager.h"
#include "RuntimeTarget.h"
#include "ScopedExecutor.h"
#include "SessionState.h"
#include "WeakList.h"
#include <jsinspector-modern/InspectorInterfaces.h>
#include <jsinspector-modern/RuntimeAgent.h>
#include <list>
#include <memory>
#include <optional>
namespace facebook::react::jsinspector_modern {
class InstanceAgent;
/**
* Receives events from an InstanceTarget. This is a shared interface that
* each React Native platform needs to implement in order to integrate with
* the debugging stack.
*/
class InstanceTargetDelegate {
public:
InstanceTargetDelegate() = default;
InstanceTargetDelegate(const InstanceTargetDelegate&) = delete;
InstanceTargetDelegate(InstanceTargetDelegate&&) = default;
InstanceTargetDelegate& operator=(const InstanceTargetDelegate&) = delete;
InstanceTargetDelegate& operator=(InstanceTargetDelegate&&) = default;
virtual ~InstanceTargetDelegate();
};
/**
* A Target that represents a single instance of React Native.
*/
class InstanceTarget : public EnableExecutorFromThis<InstanceTarget> {
public:
/**
* Constructs a new InstanceTarget.
* \param executionContextManager Assigns unique execution context IDs.
* \param delegate The object that will receive events from this target.
* The caller is responsible for ensuring that the delegate outlives this
* object.
* \param executor An executor that may be used to call methods on this
* InstanceTarget while it exists. \c create additionally guarantees that the
* executor will not be called after the InstanceTarget is destroyed.
*/
static std::shared_ptr<InstanceTarget> create(
std::shared_ptr<ExecutionContextManager> executionContextManager,
InstanceTargetDelegate& delegate,
VoidExecutor executor);
InstanceTarget(const InstanceTarget&) = delete;
InstanceTarget(InstanceTarget&&) = delete;
InstanceTarget& operator=(const InstanceTarget&) = delete;
InstanceTarget& operator=(InstanceTarget&&) = delete;
~InstanceTarget();
std::shared_ptr<InstanceAgent> createAgent(
FrontendChannel channel,
SessionState& sessionState);
/**
* Registers a JS runtime with this InstanceTarget. \returns a reference to
* the created RuntimeTarget, which is owned by the \c InstanceTarget. All the
* requirements of \c RuntimeTarget::create must be met.
*/
RuntimeTarget& registerRuntime(
RuntimeTargetDelegate& delegate,
RuntimeExecutor executor);
/**
* Unregisters a JS runtime from this InstanceTarget. This destroys the \c
* RuntimeTarget, and it is no longer valid to use. Note that the \c
* RuntimeTargetDelegate& initially provided to \c registerRuntime may
* continue to be used as long as JavaScript execution continues in the
* runtime.
*/
void unregisterRuntime(RuntimeTarget& runtime);
private:
/**
* Constructs a new InstanceTarget. The caller must call setExecutor
* immediately afterwards.
* \param executionContextManager Assigns unique execution context IDs.
* \param delegate The object that will receive events from this target.
* The caller is responsible for ensuring that the delegate outlives this
* object.
*/
InstanceTarget(
std::shared_ptr<ExecutionContextManager> executionContextManager,
InstanceTargetDelegate& delegate);
InstanceTargetDelegate& delegate_;
std::shared_ptr<RuntimeTarget> currentRuntime_{nullptr};
WeakList<InstanceAgent> agents_;
std::shared_ptr<ExecutionContextManager> executionContextManager_;
};
} // namespace facebook::react::jsinspector_modern
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