77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <memory>
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#include <hermes/hermes.h>
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#ifndef INSPECTOR_EXPORT
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#ifdef _MSC_VER
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#ifdef CREATE_SHARED_LIBRARY
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#define INSPECTOR_EXPORT __declspec(dllexport)
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#else
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#define INSPECTOR_EXPORT
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#endif // CREATE_SHARED_LIBRARY
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#else // _MSC_VER
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#define INSPECTOR_EXPORT __attribute__((visibility("default")))
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#endif // _MSC_VER
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#endif // !defined(INSPECTOR_EXPORT)
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namespace facebook {
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namespace hermes {
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namespace inspector {
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/**
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* RuntimeAdapter encapsulates a HermesRuntime object. The underlying Hermes
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* runtime object should stay alive for at least as long as the RuntimeAdapter
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* is alive.
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*/
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class INSPECTOR_EXPORT RuntimeAdapter {
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public:
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virtual ~RuntimeAdapter() = 0;
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/// getRuntime should return the runtime encapsulated by this adapter.
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virtual HermesRuntime &getRuntime() = 0;
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/// tickleJs is a method that subclasses can choose to override to make the
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/// inspector more responsive. If overridden, it should call the "__tickleJs"
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/// function. The call should occur with appropriate locking (e.g. via a
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/// thread-safe runtime instance, or by enqueuing the call on to a dedicated
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/// JS thread).
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///
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/// This makes the inspector more responsive because it gives the inspector
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/// the ability to force the process to enter the Hermes interpreter loop
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/// soon. This is important because the inspector can only do a number of
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/// important operations (like manipulating breakpoints) within the context of
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/// a Hermes interpreter loop.
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///
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/// The default implementation does nothing.
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virtual void tickleJs();
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};
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/**
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* SharedRuntimeAdapter is a simple implementation of RuntimeAdapter that
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* uses shared_ptr to hold on to the runtime. It's generally only used in tests,
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* since it does not implement tickleJs.
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*/
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class INSPECTOR_EXPORT SharedRuntimeAdapter : public RuntimeAdapter {
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public:
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SharedRuntimeAdapter(std::shared_ptr<HermesRuntime> runtime);
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~SharedRuntimeAdapter() override;
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HermesRuntime &getRuntime() override;
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private:
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std::shared_ptr<HermesRuntime> runtime_;
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};
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} // namespace inspector
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} // namespace hermes
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} // namespace facebook
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