Add Hermes engine as option for macOS

RNTester/Podfile

@@ -47,11 +47,10 @@ if ENV['USE_FRAMEWORKS'] == '1'
   use_frameworks!
 end
 
-def pods()
+def pods(options = {})
   project 'RNTesterPods.xcodeproj'
 
-  # Enable TurboModule
-  use_react_native!(path: "..")
+  use_react_native!(options.merge(path: ".."))
   pod 'ReactCommon/turbomodule/samples', :path => '../ReactCommon'
 
   # Additional Pods which aren't included in the default Podfile
@@ -118,7 +117,7 @@ end
 
 target 'RNTester-macOS' do
   platform :osx, '10.14'
-  pods()
+  pods(:hermes_enabled => true)
 end
 
 target 'RNTesterUnitTests' do

RNTester/Podfile.lock

@@ -66,7 +66,18 @@ PODS:
     - boost-for-react-native
     - DoubleConversion
     - glog
+  - Folly/Futures (2018.10.22.00):
+    - boost-for-react-native
+    - DoubleConversion
+    - glog
+    - libevent
   - glog (0.3.5)
+  - hermes (0.4.1)
+  - libevent (2.1.11):
+    - libevent/core (= 2.1.11)
+  - libevent/core (2.1.11):
+    - libevent/event2-headers
+  - libevent/event2-headers (2.1.11)
   - OpenSSL-Universal (1.0.2.19):
     - OpenSSL-Universal/Static (= 1.0.2.19)
   - OpenSSL-Universal/Static (1.0.2.19)
@@ -132,6 +143,15 @@ PODS:
     - React-jsiexecutor (= 1000.0.0)
     - React-jsinspector (= 1000.0.0)
     - Yoga
+  - React-Core/Hermes (1000.0.0):
+    - Folly (= 2018.10.22.00)
+    - Folly/Futures
+    - glog
+    - hermes (~> 0.4.1)
+    - React-cxxreact (= 1000.0.0)
+    - React-jsi (= 1000.0.0)
+    - React-jsiexecutor (= 1000.0.0)
+    - Yoga
   - React-Core/RCTActionSheetHeaders (1000.0.0):
     - Folly (= 2018.10.22.00)
     - glog
@@ -343,12 +363,15 @@ DEPENDENCIES:
   - FlipperKit/SKIOSNetworkPlugin (~> 0.30.1)
   - Folly (from `../third-party-podspecs/Folly.podspec`)
   - glog (from `../third-party-podspecs/glog.podspec`)
+  - "hermes (from `{:http=>\"https://github.com/alloy/hermes/releases/download/v0.4.1-macOS/hermes-v0.4.1.zip\", :sha256=>\"d33c7eafded94d8113a3bb74f56aef3ec1cd3df513e99df7fa3c7c34b867d379\"}`)"
+  - libevent (from `../third-party-podspecs/libevent.podspec`)
   - RCTRequired (from `../Libraries/RCTRequired`)
   - RCTTypeSafety (from `../Libraries/TypeSafety`)
   - React (from `../`)
   - React-ART (from `../Libraries/ART`)
   - React-Core (from `../`)
   - React-Core/DevSupport (from `../`)
+  - React-Core/Hermes (from `../`)
   - React-Core/RCTWebSocket (from `../`)
   - React-CoreModules (from `../React/CoreModules`)
   - React-cxxreact (from `../ReactCommon/cxxreact`)
@@ -372,7 +395,7 @@ DEPENDENCIES:
   - Yoga (from `../ReactCommon/yoga`)
 
 SPEC REPOS:
-  trunk:
+  https://cdn.cocoapods.org/:
     - CocoaAsyncSocket
     - CocoaLibEvent
     - Flipper
@@ -398,6 +421,11 @@ EXTERNAL SOURCES:
     :podspec: "../third-party-podspecs/Folly.podspec"
   glog:
     :podspec: "../third-party-podspecs/glog.podspec"
+  hermes:
+    :http: https://github.com/alloy/hermes/releases/download/v0.4.1-macOS/hermes-v0.4.1.zip
+    :sha256: d33c7eafded94d8113a3bb74f56aef3ec1cd3df513e99df7fa3c7c34b867d379
+  libevent:
+    :podspec: "../third-party-podspecs/libevent.podspec"
   RCTRequired:
     :path: "../Libraries/RCTRequired"
   RCTTypeSafety:
@@ -445,6 +473,11 @@ EXTERNAL SOURCES:
   Yoga:
     :path: "../ReactCommon/yoga"
 
+CHECKOUT OPTIONS:
+  hermes:
+    :http: https://github.com/alloy/hermes/releases/download/v0.4.1-macOS/hermes-v0.4.1.zip
+    :sha256: d33c7eafded94d8113a3bb74f56aef3ec1cd3df513e99df7fa3c7c34b867d379
+
 SPEC CHECKSUMS:
   boost-for-react-native: a110407d9db2642fd2e1bcd7c5a51c81f2521dc9
   CocoaAsyncSocket: eafaa68a7e0ec99ead0a7b35015e0bf25d2c8987
@@ -459,14 +492,16 @@ SPEC CHECKSUMS:
   Flipper-PeerTalk: 116d8f857dc6ef55c7a5a75ea3ceaafe878aadc9
   Flipper-RSocket: 64e7431a55835eb953b0bf984ef3b90ae9fdddd7
   FlipperKit: 88b7f0d0cf907ddc2137b85eeb7f3d4d8d9395c8
-  Folly: feff29ba9d0b7c2e4f793a94942831d6cc5bbad7
+  Folly: ae1e11fb7b57cac65fa994a5c9da9b6f652d934b
   glog: b3f6d74f3e2d33396addc0ee724d2b2b79fc3e00
+  hermes: ea5308401c53c1352fcb566548f2a45605c36f15
+  libevent: c2d56c8554ac18101d9c5f4c66ef762798209682
   OpenSSL-Universal: 8b48cc0d10c1b2923617dfe5c178aa9ed2689355
   RCTRequired: 66250bf27479214eb5c530ca2d8c772ebe4d7e71
   RCTTypeSafety: 2bf56caee198adc4adc63a5d18e8ffff8b92fbbb
   React: bacecd5320c8bb453aa396179b93061ebd9d34bf
   React-ART: 2f0eb928d7bc51e6262da595955b0e8fcf6c0a9e
-  React-Core: 8a9c0454b0540cfcca1261e8e084a324976bb6c2
+  React-Core: 0fb3a932eb28dcb299eceb7fb4e359b547557528
   React-CoreModules: fbe1e42d49cb14db5c9bf02dee33a18d281331f7
   React-cxxreact: 7ff40ab26e02c3f8b2fec2f5ea3d9f4774ef2523
   React-jsi: b23bf7e79fb2149f3bb9bd4e25e570bff9c03d10
@@ -487,6 +522,6 @@ SPEC CHECKSUMS:
   Yoga: 3ed3c35bb7c41fa8f5056b767bc048539f6526ad
   YogaKit: f782866e155069a2cca2517aafea43200b01fd5a
 
-PODFILE CHECKSUM: 524ab13b924fd82bc5c4393c133fcd02eb70efa4
+PODFILE CHECKSUM: 9f7ce884d267d41098ed0c95a51abea8c184a0ea
 
 COCOAPODS: 1.9.1

RNTester/RNTesterPods.xcodeproj/project.pbxproj

@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 50;
+	objectVersion = 51;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -731,6 +731,7 @@
 				9F153459233AB2C4006DFE44 /* Resources */,
 				38C8132424577FB500BFFA62 /* Build JS Bundle */,
 				51B9D81723C4D5A4002B30E1 /* Start Metro */,
+				4733C3A4FBA299F6E1E956BA /* [CP] Embed Pods Frameworks */,
 			);
 			buildRules = (
 			);
@@ -1021,7 +1022,24 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "export NODE_BINARY=node\nPROJECT_ROOT=$SRCROOT/.. $SRCROOT/../scripts/react-native-xcode.sh RNTester/js/RNTesterApp.macos.js\n";
+			shellScript = "export NODE_BINARY=node\nexport PROJECT_ROOT=$SRCROOT/..\nexport SOURCEMAP_FILE=sourcemap.macOS.map\n# export FORCE_BUNDLING=true\n$SRCROOT/../scripts/react-native-xcode.sh RNTester/js/RNTesterApp.macos.js\n";
+		};
+		4733C3A4FBA299F6E1E956BA /* [CP] Embed Pods Frameworks */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-RNTester-macOS/Pods-RNTester-macOS-frameworks-${CONFIGURATION}-input-files.xcfilelist",
+			);
+			name = "[CP] Embed Pods Frameworks";
+			outputFileListPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-RNTester-macOS/Pods-RNTester-macOS-frameworks-${CONFIGURATION}-output-files.xcfilelist",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-RNTester-macOS/Pods-RNTester-macOS-frameworks.sh\"\n";
+			showEnvVarsInLog = 0;
 		};
 		51B9D81723C4D5A4002B30E1 /* Start Metro */ = {
 			isa = PBXShellScriptBuildPhase;
@@ -1814,6 +1832,7 @@
 				CLANG_ENABLE_OBJC_WEAK = YES;
 				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
 				CODE_SIGN_ENTITLEMENTS = "RNTester-macOS/RNTester_macOS.entitlements";
+				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				DEBUG_INFORMATION_FORMAT = dwarf;
@@ -1868,6 +1887,7 @@
 				CLANG_ENABLE_OBJC_WEAK = YES;
 				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
 				CODE_SIGN_ENTITLEMENTS = "RNTester-macOS/RNTester_macOS.entitlements";
+				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				COPY_PHASE_STRIP = NO;

React-Core.podspec

@@ -57,8 +57,9 @@ Pod::Spec.new do |s|
     ss.exclude_files          = "React/CoreModules/**/*",
                                 "React/DevSupport/**/*",
                                 "React/Fabric/**/*",
-                                "React/Inspector/**/*"
-    ss.ios.exclude_files      = "React/**/RCTTV*.*",
+                                "React/Inspector/**/*",
+                                "React/CxxBridge/HermesExecutorFactory.*" # TODO(macOS GH#214)
+    ss.ios.exclude_files      = "React/**/RCTTV*.*"
 
     # [TODO(macOS ISS#2323203)
                                 "**/MacOS/*"
@@ -80,6 +81,19 @@ Pod::Spec.new do |s|
     ss.private_header_files   = "React/Cxx*/*.h"
   end
 
+  # [TODO(macOS GH#214)
+  s.subspec "Hermes" do |ss|
+    ss.platforms = { :osx => "10.14" }
+    ss.source_files = "ReactCommon/hermes/executor/*.{cpp,h}",
+                      "ReactCommon/hermes/inspector/*.{cpp,h}",
+                      "ReactCommon/hermes/inspector/chrome/*.{cpp,h}",
+                      "ReactCommon/hermes/inspector/detail/*.{cpp,h}"
+    ss.pod_target_xcconfig = { "GCC_PREPROCESSOR_DEFINITIONS" => "HERMES_ENABLE_DEBUGGER=1" }
+    ss.dependency "Folly/Futures"
+    ss.dependency "hermes", "~> 0.4.1"
+  end
+  # ]TODO(macOS GH#214)
+
   s.subspec "DevSupport" do |ss|
     ss.source_files = "React/DevSupport/*.{h,mm,m}",
                       "React/Inspector/*.{h,mm,m}"

React/CxxBridge/JSCExecutorFactory.mm

@@ -7,7 +7,6 @@
 
 #include "JSCExecutorFactory.h"
 
-#import <React/RCTLog.h>
 #import <jsi/JSCRuntime.h>
 
 #import<memory>
@@ -18,23 +17,11 @@
 std::unique_ptr<JSExecutor> JSCExecutorFactory::createJSExecutor(
     std::shared_ptr<ExecutorDelegate> delegate,
     std::shared_ptr<MessageQueueThread> __unused jsQueue) {
-  auto installBindings = [runtimeInstaller=runtimeInstaller_](jsi::Runtime &runtime) {
-    react::Logger iosLoggingBinder = [](const std::string &message, unsigned int logLevel) {
-      _RCTLogJavaScriptInternal(
-        static_cast<RCTLogLevel>(logLevel),
-        [NSString stringWithUTF8String:message.c_str()]);
-    };
-    react::bindNativeLogger(runtime, iosLoggingBinder);
-    // Wrap over the original runtimeInstaller
-    if (runtimeInstaller) {
-      runtimeInstaller(runtime);
-    }
-  };
   return std::make_unique<JSIExecutor>(
       facebook::jsc::makeJSCRuntime(),
       delegate,
       JSIExecutor::defaultTimeoutInvoker,
-      std::move(installBindings));
+      runtimeInstaller_);
 }
 
 } // namespace react

React/CxxBridge/RCTCxxBridge.mm

@@ -37,7 +37,15 @@
 #import <cxxreact/ReactMarker.h>
 #import <jsireact/JSIExecutor.h>
 
+#if TARGET_OS_OSX && __has_include(<hermes/hermes.h>)
+#define RCT_USE_HERMES 1
+#endif
+#if RCT_USE_HERMES
+#import "HermesExecutorFactory.h"
+#else
 #import "JSCExecutorFactory.h"
+#endif
+
 #import "NSDataBigString.h"
 #import "RCTMessageThread.h"
 #import "RCTObjcExecutor.h"
@@ -347,7 +355,21 @@ - (void)start
       executorFactory = [cxxDelegate jsExecutorFactoryForBridge:self];
     }
     if (!executorFactory) {
-      executorFactory = std::make_shared<JSCExecutorFactory>(nullptr);
+      auto installBindings =
+        [](facebook::jsi::Runtime &runtime) {
+          facebook::react::Logger iosLoggingBinder =
+            [](const std::string &message, unsigned int logLevel) {
+              _RCTLogJavaScriptInternal(
+                static_cast<RCTLogLevel>(logLevel),
+                [NSString stringWithUTF8String:message.c_str()]);
+            };
+          facebook::react::bindNativeLogger(runtime, iosLoggingBinder);
+        };
+#if RCT_USE_HERMES
+      executorFactory = std::make_shared<HermesExecutorFactory>(installBindings);
+#else
+      executorFactory = std::make_shared<JSCExecutorFactory>(installBindings);
+#endif
     }
   } else {
     id<RCTJavaScriptExecutor> objcExecutor = [self moduleForClass:self.executorClass];

ReactAndroid/src/main/java/com/facebook/hermes/reactexecutor/JSITracing.cpp → ReactCommon/hermes/executor/JSITracing.cpp

@@ -10,7 +10,7 @@
 namespace facebook {
 namespace jsi {
 void addNativeTracingHooks(Runtime &rt) {
-  assert(false && "unimplemented");
+  // unimplemented
 }
 } // namespace jsi
 } // namespace facebook

ReactCommon/hermes/inspector/chrome/Connection.cpp

@@ -187,8 +187,8 @@ bool Connection::Impl::disconnect() {
 
   inspector_->disable().via(executor_.get()).thenValue([this](auto &&) {
     // HACK:  We purposely call RemoteConnection::onDisconnect on a *different*
-    // rather than on this thread (the executor thread). This is to prevent this
-    // scenario:
+    // thread, rather than on this thread (the executor thread). This is to
+    // prevent this scenario:
     //
     // 1. RemoteConnection::onDisconnect runs on the executor thread
     // 2. onDisconnect through a long chain of calls causes the Connection

scripts/autolink-ios.rb

@@ -13,6 +13,8 @@ def use_react_native! (options={})
   # Include DevSupport dependency
   production = options[:production] ||= false
 
+  hermes_enabled = options[:hermes_enabled] ||= false
+
   # The Pods which should be included in all projects
   pod 'FBLazyVector', :path => "#{prefix}/Libraries/FBLazyVector"
   pod 'FBReactNativeSpec', :path => "#{prefix}/Libraries/FBReactNativeSpec"
@@ -58,6 +60,13 @@ def use_react_native! (options={})
     pod 'React-RCTFabric', :path => "#{prefix}/React"
     pod 'Folly/Fabric', :podspec => "#{prefix}/third-party-podspecs/Folly.podspec"
   end
+
+  if hermes_enabled
+    pod 'React-Core/Hermes', :path => "#{prefix}/"
+    pod 'hermes', :http => 'https://github.com/alloy/hermes/releases/download/v0.4.1-macOS/hermes-v0.4.1.zip',
+                  :sha256 => 'd33c7eafded94d8113a3bb74f56aef3ec1cd3df513e99df7fa3c7c34b867d379'
+    pod 'libevent', :podspec => "#{prefix}/third-party-podspecs/libevent.podspec"
+  end
 end
 
 def add_flipper_pods!(versions = {})
@@ -101,4 +110,4 @@ def flipper_post_install(installer)
       end
     end
   end
-end
+end