mirror of
https://github.com/facebook/react-native.git
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cpojer
d7f5153cd8
Summary: Yesterday we shipped hermesengine.dev as part of the current 0.60 release. This PR brings those changes to master. ## Changelog [General] [Added] - Added support for Hermes Pull Request resolved: https://github.com/facebook/react-native/pull/25613 Test Plan: * CI is green both on GitHub and at FB * Creating a new app from source can use Hermes on Android Reviewed By: cpojer Differential Revision: D16221777 Pulled By: willholen fbshipit-source-id: aa6be10537863039cb666292465ba2e1d44b64ef
132 lines
3.5 KiB
C++
132 lines
3.5 KiB
C++
// Copyright 2004-present Facebook. All Rights Reserved.
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#include "AsyncHermesRuntime.h"
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#include <functional>
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#include <stdexcept>
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#include <thread>
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#include <glog/logging.h>
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namespace facebook {
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namespace hermes {
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namespace inspector {
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namespace chrome {
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namespace detail = facebook::hermes::inspector::detail;
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AsyncHermesRuntime::AsyncHermesRuntime()
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: runtime_(facebook::hermes::makeHermesRuntime()),
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executor_(
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std::make_unique<detail::SerialExecutor>("async-hermes-runtime")) {
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using namespace std::placeholders;
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runtime_->global().setProperty(
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*runtime_,
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"shouldStop",
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jsi::Function::createFromHostFunction(
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*runtime_,
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jsi::PropNameID::forAscii(*runtime_, "shouldStop"),
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0,
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std::bind(&AsyncHermesRuntime::shouldStop, this, _1, _2, _3, _4)));
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runtime_->global().setProperty(
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*runtime_,
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"storeValue",
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jsi::Function::createFromHostFunction(
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*runtime_,
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jsi::PropNameID::forAscii(*runtime_, "storeValue"),
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0,
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std::bind(&AsyncHermesRuntime::storeValue, this, _1, _2, _3, _4)));
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}
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AsyncHermesRuntime::~AsyncHermesRuntime() {
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stop();
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wait();
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}
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void AsyncHermesRuntime::executeScriptAsync(
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const std::string &script,
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const std::string &url,
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HermesRuntime::DebugFlags flags) {
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int scriptId = rand();
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LOG(INFO) << "AsyncHermesRuntime will execute script with id: " << scriptId
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<< ", contents: " << script;
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executor_->add([this, script, url, flags, scriptId] {
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LOG(INFO) << "AsyncHermesRuntime executing script id " << scriptId
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<< " in background";
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try {
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runtime_->debugJavaScript(script, url, flags);
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} catch (jsi::JSError &error) {
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LOG(INFO) << "AsyncHermesRuntime JSError " << error.getMessage();
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thrownExceptions_.push_back(error.getMessage());
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}
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LOG(INFO) << "AsyncHermesRuntime finished executing script id " << scriptId;
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});
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}
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void AsyncHermesRuntime::start() {
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LOG(INFO) << "AsyncHermesRuntime: set stop flag false";
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stopFlag_.store(false);
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}
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void AsyncHermesRuntime::stop() {
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LOG(INFO) << "AsyncHermesRuntime: set stop flag true";
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stopFlag_.store(true);
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}
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folly::Future<jsi::Value> AsyncHermesRuntime::getStoredValue() {
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return storedValue_.getFuture();
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}
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jsi::Value AsyncHermesRuntime::awaitStoredValue(
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std::chrono::milliseconds timeout) {
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return getStoredValue().get(timeout);
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}
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void AsyncHermesRuntime::wait(std::chrono::milliseconds timeout) {
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LOG(INFO) << "AsyncHermesRuntime wait requested";
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auto promise = std::make_shared<folly::Promise<bool>>();
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auto future = promise->getFuture();
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executor_->add([promise] {
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LOG(INFO) << "AsyncHermesRuntime wait resolved";
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promise->setValue(true);
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});
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std::move(future).get(timeout);
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}
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jsi::Value AsyncHermesRuntime::shouldStop(
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jsi::Runtime &runtime,
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const jsi::Value &thisVal,
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const jsi::Value *args,
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size_t count) {
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return stopFlag_.load() ? jsi::Value(true) : jsi::Value(false);
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}
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jsi::Value AsyncHermesRuntime::storeValue(
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jsi::Runtime &runtime,
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const jsi::Value &thisVal,
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const jsi::Value *args,
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size_t count) {
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if (count > 0) {
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storedValue_.setValue(jsi::Value(runtime, args[0]));
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}
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return jsi::Value();
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}
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size_t AsyncHermesRuntime::getNumberOfExceptions() {
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return thrownExceptions_.size();
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}
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std::string AsyncHermesRuntime::getLastThrownExceptionMessage() {
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return thrownExceptions_.back();
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}
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} // namespace chrome
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} // namespace inspector
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} // namespace hermes
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} // namespace facebook
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