1276 lines
43 KiB
Plaintext
1276 lines
43 KiB
Plaintext
/**
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* Copyright (c) Facebook, Inc. and its 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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#include <atomic>
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#include <future>
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#import <React/RCTAssert.h>
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#import <React/RCTBridge+Private.h>
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#import <React/RCTBridge.h>
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#import <React/RCTBridgeMethod.h>
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#import <React/RCTConvert.h>
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#import <React/RCTCxxBridgeDelegate.h>
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#import <React/RCTCxxModule.h>
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#import <React/RCTCxxUtils.h>
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#import <React/RCTDevSettings.h>
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#import <React/RCTDisplayLink.h>
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#import <React/RCTJavaScriptLoader.h>
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#import <React/RCTLog.h>
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#import <React/RCTModuleData.h>
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#import <React/RCTPerformanceLogger.h>
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#import <React/RCTProfile.h>
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#import <React/RCTRedBox.h>
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#import <React/RCTUtils.h>
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#import <React/RCTFollyConvert.h>
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#import <cxxreact/CxxNativeModule.h>
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#import <cxxreact/Instance.h>
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#import <cxxreact/JSBundleType.h>
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#import <cxxreact/JSCExecutor.h>
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#import <cxxreact/JSIndexedRAMBundle.h>
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#import <cxxreact/ModuleRegistry.h>
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#import <cxxreact/Platform.h>
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#import <cxxreact/RAMBundleRegistry.h>
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#import <jschelpers/Value.h>
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#import "NSDataBigString.h"
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#import "RCTJSCHelpers.h"
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#import "RCTMessageThread.h"
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#import "RCTObjcExecutor.h"
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#ifdef WITH_FBSYSTRACE
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#import <React/RCTFBSystrace.h>
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#endif
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#if RCT_DEV && __has_include("RCTDevLoadingView.h")
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#import "RCTDevLoadingView.h"
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#endif
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#define RCTAssertJSThread() \
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RCTAssert(self.executorClass || self->_jsThread == [NSThread currentThread], \
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@"This method must be called on JS thread")
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static NSString *const RCTJSThreadName = @"com.facebook.react.JavaScript";
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typedef void (^RCTPendingCall)();
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using namespace facebook::react;
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/**
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* Must be kept in sync with `MessageQueue.js`.
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*/
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typedef NS_ENUM(NSUInteger, RCTBridgeFields) {
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RCTBridgeFieldRequestModuleIDs = 0,
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RCTBridgeFieldMethodIDs,
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RCTBridgeFieldParams,
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RCTBridgeFieldCallID,
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};
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namespace {
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class GetDescAdapter : public JSExecutorFactory {
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public:
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GetDescAdapter(RCTCxxBridge *bridge, std::shared_ptr<JSExecutorFactory> factory)
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: bridge_(bridge)
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, factory_(factory) {}
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std::unique_ptr<JSExecutor> createJSExecutor(
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std::shared_ptr<ExecutorDelegate> delegate,
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std::shared_ptr<MessageQueueThread> jsQueue) override {
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auto ret = factory_->createJSExecutor(delegate, jsQueue);
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bridge_.bridgeDescription =
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[NSString stringWithFormat:@"RCTCxxBridge %s",
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ret->getDescription().c_str()];
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return std::move(ret);
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}
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private:
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RCTCxxBridge *bridge_;
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std::shared_ptr<JSExecutorFactory> factory_;
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};
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}
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static bool isRAMBundle(NSData *script) {
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BundleHeader header;
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[script getBytes:&header length:sizeof(header)];
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return parseTypeFromHeader(header) == ScriptTag::RAMBundle;
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}
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static void registerPerformanceLoggerHooks(RCTPerformanceLogger *performanceLogger) {
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__weak RCTPerformanceLogger *weakPerformanceLogger = performanceLogger;
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ReactMarker::logTaggedMarker = [weakPerformanceLogger](const ReactMarker::ReactMarkerId markerId, const char *tag) {
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switch (markerId) {
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case ReactMarker::RUN_JS_BUNDLE_START:
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[weakPerformanceLogger markStartForTag:RCTPLScriptExecution];
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break;
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case ReactMarker::RUN_JS_BUNDLE_STOP:
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[weakPerformanceLogger markStopForTag:RCTPLScriptExecution];
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break;
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case ReactMarker::NATIVE_REQUIRE_START:
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[weakPerformanceLogger appendStartForTag:RCTPLRAMNativeRequires];
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break;
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case ReactMarker::NATIVE_REQUIRE_STOP:
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[weakPerformanceLogger appendStopForTag:RCTPLRAMNativeRequires];
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[weakPerformanceLogger addValue:1 forTag:RCTPLRAMNativeRequiresCount];
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break;
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case ReactMarker::CREATE_REACT_CONTEXT_STOP:
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case ReactMarker::JS_BUNDLE_STRING_CONVERT_START:
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case ReactMarker::JS_BUNDLE_STRING_CONVERT_STOP:
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case ReactMarker::NATIVE_MODULE_SETUP_START:
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case ReactMarker::NATIVE_MODULE_SETUP_STOP:
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case ReactMarker::REGISTER_JS_SEGMENT_START:
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case ReactMarker::REGISTER_JS_SEGMENT_STOP:
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// These are not used on iOS.
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break;
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}
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};
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}
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@interface RCTCxxBridge ()
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@property (nonatomic, weak, readonly) RCTBridge *parentBridge;
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@property (nonatomic, assign, readonly) BOOL moduleSetupComplete;
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- (instancetype)initWithParentBridge:(RCTBridge *)bridge;
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- (void)partialBatchDidFlush;
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- (void)batchDidComplete;
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@end
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struct RCTInstanceCallback : public InstanceCallback {
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__weak RCTCxxBridge *bridge_;
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RCTInstanceCallback(RCTCxxBridge *bridge): bridge_(bridge) {};
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void onBatchComplete() override {
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// There's no interface to call this per partial batch
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[bridge_ partialBatchDidFlush];
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[bridge_ batchDidComplete];
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}
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};
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@implementation RCTCxxBridge
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{
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BOOL _wasBatchActive;
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BOOL _didInvalidate;
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NSMutableArray<RCTPendingCall> *_pendingCalls;
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std::atomic<NSInteger> _pendingCount;
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// Native modules
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NSMutableDictionary<NSString *, RCTModuleData *> *_moduleDataByName;
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NSMutableArray<RCTModuleData *> *_moduleDataByID;
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NSMutableArray<Class> *_moduleClassesByID;
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NSUInteger _modulesInitializedOnMainQueue;
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RCTDisplayLink *_displayLink;
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// JS thread management
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NSThread *_jsThread;
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std::shared_ptr<RCTMessageThread> _jsMessageThread;
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// This is uniquely owned, but weak_ptr is used.
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std::shared_ptr<Instance> _reactInstance;
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}
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@synthesize bridgeDescription = _bridgeDescription;
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@synthesize loading = _loading;
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@synthesize performanceLogger = _performanceLogger;
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@synthesize valid = _valid;
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+ (void)initialize
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{
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if (self == [RCTCxxBridge class]) {
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RCTPrepareJSCExecutor();
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}
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}
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- (JSGlobalContextRef)jsContextRef
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{
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return (JSGlobalContextRef)(_reactInstance ? _reactInstance->getJavaScriptContext() : nullptr);
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}
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- (std::shared_ptr<MessageQueueThread>)jsMessageThread
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{
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return _jsMessageThread;
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}
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- (BOOL)isInspectable
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{
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return _reactInstance ? _reactInstance->isInspectable() : NO;
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}
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- (instancetype)initWithParentBridge:(RCTBridge *)bridge
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{
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RCTAssertParam(bridge);
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if ((self = [super initWithDelegate:bridge.delegate
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bundleURL:bridge.bundleURL
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moduleProvider:bridge.moduleProvider
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launchOptions:bridge.launchOptions])) {
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_parentBridge = bridge;
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_performanceLogger = [bridge performanceLogger];
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registerPerformanceLoggerHooks(_performanceLogger);
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RCTLogInfo(@"Initializing %@ (parent: %@, executor: %@)", self, bridge, [self executorClass]);
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/**
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* Set Initial State
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*/
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_valid = YES;
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_loading = YES;
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_pendingCalls = [NSMutableArray new];
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_displayLink = [RCTDisplayLink new];
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_moduleDataByName = [NSMutableDictionary new];
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_moduleClassesByID = [NSMutableArray new];
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_moduleDataByID = [NSMutableArray new];
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[RCTBridge setCurrentBridge:self];
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}
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return self;
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}
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+ (void)runRunLoop
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{
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@autoreleasepool {
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RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways, @"-[RCTCxxBridge runJSRunLoop] setup", nil);
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// copy thread name to pthread name
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pthread_setname_np([NSThread currentThread].name.UTF8String);
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// Set up a dummy runloop source to avoid spinning
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CFRunLoopSourceContext noSpinCtx = {0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};
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CFRunLoopSourceRef noSpinSource = CFRunLoopSourceCreate(NULL, 0, &noSpinCtx);
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CFRunLoopAddSource(CFRunLoopGetCurrent(), noSpinSource, kCFRunLoopDefaultMode);
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CFRelease(noSpinSource);
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RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
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// run the run loop
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while (kCFRunLoopRunStopped != CFRunLoopRunInMode(kCFRunLoopDefaultMode, ((NSDate *)[NSDate distantFuture]).timeIntervalSinceReferenceDate, NO)) {
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RCTAssert(NO, @"not reached assertion"); // runloop spun. that's bad.
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}
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}
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}
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- (void)_tryAndHandleError:(dispatch_block_t)block
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{
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NSError *error = tryAndReturnError(block);
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if (error) {
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[self handleError:error];
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}
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}
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/**
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* Ensure block is run on the JS thread. If we're already on the JS thread, the block will execute synchronously.
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* If we're not on the JS thread, the block is dispatched to that thread. Any errors encountered while executing
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* the block will go through handleError:
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*/
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- (void)ensureOnJavaScriptThread:(dispatch_block_t)block
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{
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RCTAssert(_jsThread, @"This method must not be called before the JS thread is created");
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// This does not use _jsMessageThread because it may be called early before the runloop reference is captured
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// and _jsMessageThread is valid. _jsMessageThread also doesn't allow us to shortcut the dispatch if we're
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// already on the correct thread.
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if ([NSThread currentThread] == _jsThread) {
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[self _tryAndHandleError:block];
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} else {
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[self performSelector:@selector(_tryAndHandleError:)
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onThread:_jsThread
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withObject:block
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waitUntilDone:NO];
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}
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}
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- (void)start
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{
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RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways, @"-[RCTCxxBridge start]", nil);
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[[NSNotificationCenter defaultCenter]
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postNotificationName:RCTJavaScriptWillStartLoadingNotification
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object:_parentBridge userInfo:@{@"bridge": self}];
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// Set up the JS thread early
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_jsThread = [[NSThread alloc] initWithTarget:[self class]
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selector:@selector(runRunLoop)
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object:nil];
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_jsThread.name = RCTJSThreadName;
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_jsThread.qualityOfService = NSOperationQualityOfServiceUserInteractive;
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#if RCT_DEBUG
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_jsThread.stackSize *= 2;
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#endif
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[_jsThread start];
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dispatch_group_t prepareBridge = dispatch_group_create();
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[_performanceLogger markStartForTag:RCTPLNativeModuleInit];
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[self registerExtraModules];
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// Initialize all native modules that cannot be loaded lazily
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(void)[self _initializeModules:RCTGetModuleClasses() withDispatchGroup:prepareBridge lazilyDiscovered:NO];
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[_performanceLogger markStopForTag:RCTPLNativeModuleInit];
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// This doesn't really do anything. The real work happens in initializeBridge.
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_reactInstance.reset(new Instance);
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__weak RCTCxxBridge *weakSelf = self;
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// Prepare executor factory (shared_ptr for copy into block)
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std::shared_ptr<JSExecutorFactory> executorFactory;
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if (!self.executorClass) {
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if ([self.delegate conformsToProtocol:@protocol(RCTCxxBridgeDelegate)]) {
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id<RCTCxxBridgeDelegate> cxxDelegate = (id<RCTCxxBridgeDelegate>) self.delegate;
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executorFactory = [cxxDelegate jsExecutorFactoryForBridge:self];
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}
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if (!executorFactory) {
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BOOL useCustomJSC =
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[self.delegate respondsToSelector:@selector(shouldBridgeUseCustomJSC:)] &&
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[self.delegate shouldBridgeUseCustomJSC:self];
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// We use the name of the device and the app for debugging & metrics
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NSString *deviceName = [[UIDevice currentDevice] name];
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NSString *appName = [[NSBundle mainBundle] bundleIdentifier];
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// The arg is a cache dir. It's not used with standard JSC.
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executorFactory.reset(new JSCExecutorFactory(folly::dynamic::object
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("OwnerIdentity", "ReactNative")
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("AppIdentity", [(appName ?: @"unknown") UTF8String])
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("DeviceIdentity", [(deviceName ?: @"unknown") UTF8String])
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("UseCustomJSC", (bool)useCustomJSC)
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#if RCT_PROFILE
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("StartSamplingProfilerOnInit", (bool)self.devSettings.startSamplingProfilerOnLaunch)
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#endif
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));
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}
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} else {
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id<RCTJavaScriptExecutor> objcExecutor = [self moduleForClass:self.executorClass];
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executorFactory.reset(new RCTObjcExecutorFactory(objcExecutor, ^(NSError *error) {
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if (error) {
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[weakSelf handleError:error];
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}
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}));
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}
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// Dispatch the instance initialization as soon as the initial module metadata has
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// been collected (see initModules)
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dispatch_group_enter(prepareBridge);
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[self ensureOnJavaScriptThread:^{
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[weakSelf _initializeBridge:executorFactory];
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dispatch_group_leave(prepareBridge);
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}];
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// Load the source asynchronously, then store it for later execution.
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dispatch_group_enter(prepareBridge);
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__block NSData *sourceCode;
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[self loadSource:^(NSError *error, RCTSource *source) {
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if (error) {
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[weakSelf handleError:error];
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}
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sourceCode = source.data;
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dispatch_group_leave(prepareBridge);
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} onProgress:^(RCTLoadingProgress *progressData) {
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#if RCT_DEV && __has_include("RCTDevLoadingView.h")
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RCTDevLoadingView *loadingView = [weakSelf moduleForClass:[RCTDevLoadingView class]];
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[loadingView updateProgress:progressData];
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#endif
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}];
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// Wait for both the modules and source code to have finished loading
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dispatch_group_notify(prepareBridge, dispatch_get_global_queue(QOS_CLASS_USER_INTERACTIVE, 0), ^{
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RCTCxxBridge *strongSelf = weakSelf;
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if (sourceCode && strongSelf.loading) {
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[strongSelf executeSourceCode:sourceCode sync:NO];
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}
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});
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RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
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}
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- (void)loadSource:(RCTSourceLoadBlock)_onSourceLoad onProgress:(RCTSourceLoadProgressBlock)onProgress
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{
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NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
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[center postNotificationName:RCTBridgeWillDownloadScriptNotification object:_parentBridge];
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[_performanceLogger markStartForTag:RCTPLScriptDownload];
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NSUInteger cookie = RCTProfileBeginAsyncEvent(0, @"JavaScript download", nil);
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// Suppress a warning if RCTProfileBeginAsyncEvent gets compiled out
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(void)cookie;
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RCTPerformanceLogger *performanceLogger = _performanceLogger;
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RCTSourceLoadBlock onSourceLoad = ^(NSError *error, RCTSource *source) {
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RCTProfileEndAsyncEvent(0, @"native", cookie, @"JavaScript download", @"JS async");
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[performanceLogger markStopForTag:RCTPLScriptDownload];
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[performanceLogger setValue:source.length forTag:RCTPLBundleSize];
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NSDictionary *userInfo = @{
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RCTBridgeDidDownloadScriptNotificationSourceKey: source ?: [NSNull null],
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RCTBridgeDidDownloadScriptNotificationBridgeDescriptionKey: self->_bridgeDescription ?: [NSNull null],
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};
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[center postNotificationName:RCTBridgeDidDownloadScriptNotification object:self->_parentBridge userInfo:userInfo];
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_onSourceLoad(error, source);
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};
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if ([self.delegate respondsToSelector:@selector(loadSourceForBridge:onProgress:onComplete:)]) {
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[self.delegate loadSourceForBridge:_parentBridge onProgress:onProgress onComplete:onSourceLoad];
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} else if ([self.delegate respondsToSelector:@selector(loadSourceForBridge:withBlock:)]) {
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[self.delegate loadSourceForBridge:_parentBridge withBlock:onSourceLoad];
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} else if (!self.bundleURL) {
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NSError *error = RCTErrorWithMessage(@"No bundle URL present.\n\nMake sure you're running a packager " \
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"server or have included a .jsbundle file in your application bundle.");
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onSourceLoad(error, nil);
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} else {
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[RCTJavaScriptLoader loadBundleAtURL:self.bundleURL onProgress:onProgress onComplete:^(NSError *error, RCTSource *source) {
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if (error) {
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RCTLogError(@"Failed to load bundle(%@) with error:(%@ %@)", self.bundleURL, error.localizedDescription, error.localizedFailureReason);
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return;
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}
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onSourceLoad(error, source);
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}];
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}
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}
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- (NSArray<Class> *)moduleClasses
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{
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if (RCT_DEBUG && _valid && _moduleClassesByID == nil) {
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RCTLogError(@"Bridge modules have not yet been initialized. You may be "
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"trying to access a module too early in the startup procedure.");
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}
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return _moduleClassesByID;
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}
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|
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/**
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* Used by RCTUIManager
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*/
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- (RCTModuleData *)moduleDataForName:(NSString *)moduleName
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{
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return _moduleDataByName[moduleName];
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}
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- (id)moduleForName:(NSString *)moduleName
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{
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return _moduleDataByName[moduleName].instance;
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}
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- (BOOL)moduleIsInitialized:(Class)moduleClass
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{
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return _moduleDataByName[RCTBridgeModuleNameForClass(moduleClass)].hasInstance;
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}
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- (id)jsBoundExtraModuleForClass:(Class)moduleClass
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{
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if ([self.delegate conformsToProtocol:@protocol(RCTCxxBridgeDelegate)]) {
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id<RCTCxxBridgeDelegate> cxxDelegate = (id<RCTCxxBridgeDelegate>) self.delegate;
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if ([cxxDelegate respondsToSelector:@selector(jsBoundExtraModuleForClass:)]) {
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return [cxxDelegate jsBoundExtraModuleForClass:moduleClass];
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}
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}
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return nil;
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}
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|
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- (std::shared_ptr<ModuleRegistry>)_buildModuleRegistry
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{
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if (!self.valid) {
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return {};
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}
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|
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[_performanceLogger markStartForTag:RCTPLNativeModulePrepareConfig];
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RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways, @"-[RCTCxxBridge buildModuleRegistry]", nil);
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__weak __typeof(self) weakSelf = self;
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ModuleRegistry::ModuleNotFoundCallback moduleNotFoundCallback = ^bool(const std::string &name) {
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__strong __typeof(weakSelf) strongSelf = weakSelf;
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return [strongSelf.delegate respondsToSelector:@selector(bridge:didNotFindModule:)] &&
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[strongSelf.delegate bridge:strongSelf didNotFindModule:@(name.c_str())];
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};
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|
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auto registry = std::make_shared<ModuleRegistry>(
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createNativeModules(_moduleDataByID, self, _reactInstance),
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moduleNotFoundCallback);
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|
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[_performanceLogger markStopForTag:RCTPLNativeModulePrepareConfig];
|
|
RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
|
|
|
|
return registry;
|
|
}
|
|
|
|
- (void)_initializeBridge:(std::shared_ptr<JSExecutorFactory>)executorFactory
|
|
{
|
|
if (!self.valid) {
|
|
return;
|
|
}
|
|
|
|
RCTAssertJSThread();
|
|
__weak RCTCxxBridge *weakSelf = self;
|
|
_jsMessageThread = std::make_shared<RCTMessageThread>([NSRunLoop currentRunLoop], ^(NSError *error) {
|
|
if (error) {
|
|
[weakSelf handleError:error];
|
|
}
|
|
});
|
|
|
|
RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways, @"-[RCTCxxBridge initializeBridge:]", nil);
|
|
// This can only be false if the bridge was invalidated before startup completed
|
|
if (_reactInstance) {
|
|
#if RCT_DEV
|
|
executorFactory = std::make_shared<GetDescAdapter>(self, executorFactory);
|
|
#endif
|
|
|
|
// This is async, but any calls into JS are blocked by the m_syncReady CV in Instance
|
|
_reactInstance->initializeBridge(
|
|
std::make_unique<RCTInstanceCallback>(self),
|
|
executorFactory,
|
|
_jsMessageThread,
|
|
[self _buildModuleRegistry]);
|
|
|
|
#if RCT_PROFILE
|
|
if (RCTProfileIsProfiling()) {
|
|
_reactInstance->setGlobalVariable(
|
|
"__RCTProfileIsProfiling",
|
|
std::make_unique<JSBigStdString>("true"));
|
|
}
|
|
#endif
|
|
|
|
[self installExtraJSBinding];
|
|
}
|
|
|
|
RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
|
|
}
|
|
|
|
- (NSArray<RCTModuleData *> *)registerModulesForClasses:(NSArray<Class> *)moduleClasses
|
|
{
|
|
RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways,
|
|
@"-[RCTCxxBridge initModulesWithDispatchGroup:] autoexported moduleData", nil);
|
|
|
|
NSArray *moduleClassesCopy = [moduleClasses copy];
|
|
NSMutableArray<RCTModuleData *> *moduleDataByID = [NSMutableArray arrayWithCapacity:moduleClassesCopy.count];
|
|
for (Class moduleClass in moduleClassesCopy) {
|
|
if (RCTJSINativeModuleEnabled() && [moduleClass conformsToProtocol:@protocol(RCTJSINativeModule)]) {
|
|
continue;
|
|
}
|
|
NSString *moduleName = RCTBridgeModuleNameForClass(moduleClass);
|
|
|
|
// Check for module name collisions
|
|
RCTModuleData *moduleData = _moduleDataByName[moduleName];
|
|
if (moduleData) {
|
|
if (moduleData.hasInstance) {
|
|
// Existing module was preregistered, so it takes precedence
|
|
continue;
|
|
} else if ([moduleClass new] == nil) {
|
|
// The new module returned nil from init, so use the old module
|
|
continue;
|
|
} else if ([moduleData.moduleClass new] != nil) {
|
|
// Both modules were non-nil, so it's unclear which should take precedence
|
|
RCTLogError(@"Attempted to register RCTBridgeModule class %@ for the "
|
|
"name '%@', but name was already registered by class %@",
|
|
moduleClass, moduleName, moduleData.moduleClass);
|
|
}
|
|
}
|
|
|
|
// Instantiate moduleData
|
|
// TODO #13258411: can we defer this until config generation?
|
|
moduleData = [[RCTModuleData alloc] initWithModuleClass:moduleClass bridge:self];
|
|
|
|
_moduleDataByName[moduleName] = moduleData;
|
|
[_moduleClassesByID addObject:moduleClass];
|
|
[moduleDataByID addObject:moduleData];
|
|
}
|
|
[_moduleDataByID addObjectsFromArray:moduleDataByID];
|
|
|
|
RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
|
|
|
|
return moduleDataByID;
|
|
}
|
|
|
|
- (void)registerExtraModules
|
|
{
|
|
RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways,
|
|
@"-[RCTCxxBridge initModulesWithDispatchGroup:] extraModules", nil);
|
|
|
|
NSArray<id<RCTBridgeModule>> *extraModules = nil;
|
|
if ([self.delegate respondsToSelector:@selector(extraModulesForBridge:)]) {
|
|
extraModules = [self.delegate extraModulesForBridge:_parentBridge];
|
|
} else if (self.moduleProvider) {
|
|
extraModules = self.moduleProvider();
|
|
}
|
|
|
|
RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
|
|
|
|
#if RCT_DEBUG
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^{
|
|
RCTVerifyAllModulesExported(extraModules);
|
|
});
|
|
#endif
|
|
|
|
RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways,
|
|
@"-[RCTCxxBridge initModulesWithDispatchGroup:] preinitialized moduleData", nil);
|
|
// Set up moduleData for pre-initialized module instances
|
|
for (id<RCTBridgeModule> module in extraModules) {
|
|
Class moduleClass = [module class];
|
|
NSString *moduleName = RCTBridgeModuleNameForClass(moduleClass);
|
|
|
|
if (RCT_DEBUG) {
|
|
// Check for name collisions between preregistered modules
|
|
RCTModuleData *moduleData = _moduleDataByName[moduleName];
|
|
if (moduleData) {
|
|
RCTLogError(@"Attempted to register RCTBridgeModule class %@ for the "
|
|
"name '%@', but name was already registered by class %@",
|
|
moduleClass, moduleName, moduleData.moduleClass);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Instantiate moduleData container
|
|
RCTModuleData *moduleData = [[RCTModuleData alloc] initWithModuleInstance:module bridge:self];
|
|
_moduleDataByName[moduleName] = moduleData;
|
|
[_moduleClassesByID addObject:moduleClass];
|
|
[_moduleDataByID addObject:moduleData];
|
|
}
|
|
RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
|
|
}
|
|
|
|
- (void)installExtraJSBinding
|
|
{
|
|
if ([self.delegate conformsToProtocol:@protocol(RCTCxxBridgeDelegate)]) {
|
|
id<RCTCxxBridgeDelegate> cxxDelegate = (id<RCTCxxBridgeDelegate>) self.delegate;
|
|
if ([cxxDelegate respondsToSelector:@selector(installExtraJSBinding:)]) {
|
|
[cxxDelegate installExtraJSBinding:self.jsContextRef];
|
|
}
|
|
}
|
|
}
|
|
|
|
- (NSArray<RCTModuleData *> *)_initializeModules:(NSArray<id<RCTBridgeModule>> *)modules
|
|
withDispatchGroup:(dispatch_group_t)dispatchGroup
|
|
lazilyDiscovered:(BOOL)lazilyDiscovered
|
|
{
|
|
RCTAssert(!(RCTIsMainQueue() && lazilyDiscovered), @"Lazy discovery can only happen off the Main Queue");
|
|
|
|
// Set up moduleData for automatically-exported modules
|
|
NSArray<RCTModuleData *> *moduleDataById = [self registerModulesForClasses:modules];
|
|
|
|
if (lazilyDiscovered) {
|
|
#if RCT_DEBUG
|
|
// Lazily discovered modules do not require instantiation here,
|
|
// as they are not allowed to have pre-instantiated instance
|
|
// and must not require the main queue.
|
|
for (RCTModuleData *moduleData in moduleDataById) {
|
|
RCTAssert(!(moduleData.requiresMainQueueSetup || moduleData.hasInstance),
|
|
@"Module \'%@\' requires initialization on the Main Queue or has pre-instantiated, which is not supported for the lazily discovered modules.", moduleData.name);
|
|
}
|
|
#endif
|
|
} else {
|
|
RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways,
|
|
@"-[RCTCxxBridge initModulesWithDispatchGroup:] moduleData.hasInstance", nil);
|
|
// Dispatch module init onto main thread for those modules that require it
|
|
// For non-lazily discovered modules we run through the entire set of modules
|
|
// that we have, otherwise some modules coming from the delegate
|
|
// or module provider block, will not be properly instantiated.
|
|
for (RCTModuleData *moduleData in _moduleDataByID) {
|
|
if (moduleData.hasInstance && (!moduleData.requiresMainQueueSetup || RCTIsMainQueue())) {
|
|
// Modules that were pre-initialized should ideally be set up before
|
|
// bridge init has finished, otherwise the caller may try to access the
|
|
// module directly rather than via `[bridge moduleForClass:]`, which won't
|
|
// trigger the lazy initialization process. If the module cannot safely be
|
|
// set up on the current thread, it will instead be async dispatched
|
|
// to the main thread to be set up in _prepareModulesWithDispatchGroup:.
|
|
(void)[moduleData instance];
|
|
}
|
|
}
|
|
RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
|
|
|
|
// From this point on, RCTDidInitializeModuleNotification notifications will
|
|
// be sent the first time a module is accessed.
|
|
_moduleSetupComplete = YES;
|
|
[self _prepareModulesWithDispatchGroup:dispatchGroup];
|
|
}
|
|
|
|
#if RCT_PROFILE
|
|
if (RCTProfileIsProfiling()) {
|
|
// Depends on moduleDataByID being loaded
|
|
RCTProfileHookModules(self);
|
|
}
|
|
#endif
|
|
return moduleDataById;
|
|
}
|
|
|
|
- (void)registerAdditionalModuleClasses:(NSArray<Class> *)modules
|
|
{
|
|
NSArray<RCTModuleData *> *newModules = [self _initializeModules:modules withDispatchGroup:NULL lazilyDiscovered:YES];
|
|
if (_reactInstance) {
|
|
_reactInstance->getModuleRegistry().registerModules(createNativeModules(newModules, self, _reactInstance));
|
|
}
|
|
}
|
|
|
|
- (void)_prepareModulesWithDispatchGroup:(dispatch_group_t)dispatchGroup
|
|
{
|
|
RCT_PROFILE_BEGIN_EVENT(0, @"-[RCTCxxBridge _prepareModulesWithDispatchGroup]", nil);
|
|
|
|
BOOL initializeImmediately = NO;
|
|
if (dispatchGroup == NULL) {
|
|
// If no dispatchGroup is passed in, we must prepare everything immediately.
|
|
// We better be on the right thread too.
|
|
RCTAssertMainQueue();
|
|
initializeImmediately = YES;
|
|
}
|
|
|
|
// Set up modules that require main thread init or constants export
|
|
[_performanceLogger setValue:0 forTag:RCTPLNativeModuleMainThread];
|
|
|
|
for (RCTModuleData *moduleData in _moduleDataByID) {
|
|
if (moduleData.requiresMainQueueSetup) {
|
|
// Modules that need to be set up on the main thread cannot be initialized
|
|
// lazily when required without doing a dispatch_sync to the main thread,
|
|
// which can result in deadlock. To avoid this, we initialize all of these
|
|
// modules on the main thread in parallel with loading the JS code, so
|
|
// they will already be available before they are ever required.
|
|
dispatch_block_t block = ^{
|
|
if (self.valid && ![moduleData.moduleClass isSubclassOfClass:[RCTCxxModule class]]) {
|
|
[self->_performanceLogger appendStartForTag:RCTPLNativeModuleMainThread];
|
|
(void)[moduleData instance];
|
|
[moduleData gatherConstants];
|
|
[self->_performanceLogger appendStopForTag:RCTPLNativeModuleMainThread];
|
|
}
|
|
};
|
|
|
|
if (initializeImmediately && RCTIsMainQueue()) {
|
|
block();
|
|
} else {
|
|
// We've already checked that dispatchGroup is non-null, but this satisifies the
|
|
// Xcode analyzer
|
|
if (dispatchGroup) {
|
|
dispatch_group_async(dispatchGroup, dispatch_get_main_queue(), block);
|
|
}
|
|
}
|
|
_modulesInitializedOnMainQueue++;
|
|
}
|
|
}
|
|
[_performanceLogger setValue:_modulesInitializedOnMainQueue forTag:RCTPLNativeModuleMainThreadUsesCount];
|
|
RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
|
|
}
|
|
|
|
- (void)registerModuleForFrameUpdates:(id<RCTBridgeModule>)module
|
|
withModuleData:(RCTModuleData *)moduleData
|
|
{
|
|
[_displayLink registerModuleForFrameUpdates:module withModuleData:moduleData];
|
|
}
|
|
|
|
- (void)executeSourceCode:(NSData *)sourceCode sync:(BOOL)sync
|
|
{
|
|
// This will get called from whatever thread was actually executing JS.
|
|
dispatch_block_t completion = ^{
|
|
// Log start up metrics early before processing any other js calls
|
|
[self logStartupFinish];
|
|
// Flush pending calls immediately so we preserve ordering
|
|
[self _flushPendingCalls];
|
|
|
|
// Perform the state update and notification on the main thread, so we can't run into
|
|
// timing issues with RCTRootView
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
[[NSNotificationCenter defaultCenter]
|
|
postNotificationName:RCTJavaScriptDidLoadNotification
|
|
object:self->_parentBridge userInfo:@{@"bridge": self}];
|
|
|
|
// Starting the display link is not critical to startup, so do it last
|
|
[self ensureOnJavaScriptThread:^{
|
|
// Register the display link to start sending js calls after everything is setup
|
|
[self->_displayLink addToRunLoop:[NSRunLoop currentRunLoop]];
|
|
}];
|
|
});
|
|
};
|
|
|
|
if (sync) {
|
|
[self executeApplicationScriptSync:sourceCode url:self.bundleURL];
|
|
completion();
|
|
} else {
|
|
[self enqueueApplicationScript:sourceCode url:self.bundleURL onComplete:completion];
|
|
}
|
|
|
|
#if RCT_DEV
|
|
if (self.devSettings.isHotLoadingAvailable && self.devSettings.isHotLoadingEnabled) {
|
|
NSString *path = [self.bundleURL.path substringFromIndex:1]; // strip initial slash
|
|
NSString *host = self.bundleURL.host;
|
|
NSNumber *port = self.bundleURL.port;
|
|
[self enqueueJSCall:@"HMRClient"
|
|
method:@"enable"
|
|
args:@[@"ios", path, host, RCTNullIfNil(port)]
|
|
completion:NULL]; }
|
|
#endif
|
|
}
|
|
|
|
- (void)handleError:(NSError *)error
|
|
{
|
|
// This is generally called when the infrastructure throws an
|
|
// exception while calling JS. Most product exceptions will not go
|
|
// through this method, but through RCTExceptionManager.
|
|
|
|
// There are three possible states:
|
|
// 1. initializing == _valid && _loading
|
|
// 2. initializing/loading finished (success or failure) == _valid && !_loading
|
|
// 3. invalidated == !_valid && !_loading
|
|
|
|
// !_valid && _loading can't happen.
|
|
|
|
// In state 1: on main queue, move to state 2, reset the bridge, and RCTFatal.
|
|
// In state 2: go directly to RCTFatal. Do not enqueue, do not collect $200.
|
|
// In state 3: do nothing.
|
|
|
|
if (self->_valid && !self->_loading) {
|
|
if ([error userInfo][RCTJSRawStackTraceKey]) {
|
|
[self.redBox showErrorMessage:[error localizedDescription]
|
|
withRawStack:[error userInfo][RCTJSRawStackTraceKey]];
|
|
}
|
|
|
|
RCTFatal(error);
|
|
|
|
// RN will stop, but let the rest of the app keep going.
|
|
return;
|
|
}
|
|
|
|
if (!_valid || !_loading) {
|
|
return;
|
|
}
|
|
|
|
// Hack: once the bridge is invalidated below, it won't initialize any new native
|
|
// modules. Initialize the redbox module now so we can still report this error.
|
|
RCTRedBox *redBox = [self redBox];
|
|
|
|
_loading = NO;
|
|
_valid = NO;
|
|
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
if (self->_jsMessageThread) {
|
|
// Make sure initializeBridge completed
|
|
self->_jsMessageThread->runOnQueueSync([] {});
|
|
}
|
|
|
|
self->_reactInstance.reset();
|
|
self->_jsMessageThread.reset();
|
|
|
|
[[NSNotificationCenter defaultCenter]
|
|
postNotificationName:RCTJavaScriptDidFailToLoadNotification
|
|
object:self->_parentBridge userInfo:@{@"bridge": self, @"error": error}];
|
|
|
|
if ([error userInfo][RCTJSRawStackTraceKey]) {
|
|
[redBox showErrorMessage:[error localizedDescription]
|
|
withRawStack:[error userInfo][RCTJSRawStackTraceKey]];
|
|
}
|
|
|
|
RCTFatal(error);
|
|
});
|
|
}
|
|
|
|
RCT_NOT_IMPLEMENTED(- (instancetype)initWithDelegate:(__unused id<RCTBridgeDelegate>)delegate
|
|
bundleURL:(__unused NSURL *)bundleURL
|
|
moduleProvider:(__unused RCTBridgeModuleListProvider)block
|
|
launchOptions:(__unused NSDictionary *)launchOptions)
|
|
|
|
RCT_NOT_IMPLEMENTED(- (instancetype)initWithBundleURL:(__unused NSURL *)bundleURL
|
|
moduleProvider:(__unused RCTBridgeModuleListProvider)block
|
|
launchOptions:(__unused NSDictionary *)launchOptions)
|
|
|
|
/**
|
|
* Prevent super from calling setUp (that'd create another batchedBridge)
|
|
*/
|
|
- (void)setUp {}
|
|
|
|
- (void)reload
|
|
{
|
|
if (!_valid) {
|
|
RCTLogError(@"Attempting to reload bridge before it's valid: %@. Try restarting the development server if connected.", self);
|
|
}
|
|
[_parentBridge reload];
|
|
}
|
|
|
|
- (Class)executorClass
|
|
{
|
|
return _parentBridge.executorClass;
|
|
}
|
|
|
|
- (void)setExecutorClass:(Class)executorClass
|
|
{
|
|
RCTAssertMainQueue();
|
|
|
|
_parentBridge.executorClass = executorClass;
|
|
}
|
|
|
|
- (NSURL *)bundleURL
|
|
{
|
|
return _parentBridge.bundleURL;
|
|
}
|
|
|
|
- (void)setBundleURL:(NSURL *)bundleURL
|
|
{
|
|
_parentBridge.bundleURL = bundleURL;
|
|
}
|
|
|
|
- (id<RCTBridgeDelegate>)delegate
|
|
{
|
|
return _parentBridge.delegate;
|
|
}
|
|
|
|
- (void)dispatchBlock:(dispatch_block_t)block
|
|
queue:(dispatch_queue_t)queue
|
|
{
|
|
if (queue == RCTJSThread) {
|
|
[self ensureOnJavaScriptThread:block];
|
|
} else if (queue) {
|
|
dispatch_async(queue, block);
|
|
}
|
|
}
|
|
|
|
#pragma mark - RCTInvalidating
|
|
|
|
- (void)invalidate
|
|
{
|
|
if (_didInvalidate) {
|
|
return;
|
|
}
|
|
|
|
RCTAssertMainQueue();
|
|
RCTLogInfo(@"Invalidating %@ (parent: %@, executor: %@)", self, _parentBridge, [self executorClass]);
|
|
|
|
_loading = NO;
|
|
_valid = NO;
|
|
_didInvalidate = YES;
|
|
|
|
if ([RCTBridge currentBridge] == self) {
|
|
[RCTBridge setCurrentBridge:nil];
|
|
}
|
|
|
|
// Stop JS instance and message thread
|
|
[self ensureOnJavaScriptThread:^{
|
|
[self->_displayLink invalidate];
|
|
self->_displayLink = nil;
|
|
|
|
if (RCTProfileIsProfiling()) {
|
|
RCTProfileUnhookModules(self);
|
|
}
|
|
|
|
// Invalidate modules
|
|
// We're on the JS thread (which we'll be suspending soon), so no new calls will be made to native modules after
|
|
// this completes. We must ensure all previous calls were dispatched before deallocating the instance (and module
|
|
// wrappers) or we may have invalid pointers still in flight.
|
|
dispatch_group_t moduleInvalidation = dispatch_group_create();
|
|
for (RCTModuleData *moduleData in self->_moduleDataByID) {
|
|
// Be careful when grabbing an instance here, we don't want to instantiate
|
|
// any modules just to invalidate them.
|
|
if (![moduleData hasInstance]) {
|
|
continue;
|
|
}
|
|
|
|
if ([moduleData.instance respondsToSelector:@selector(invalidate)]) {
|
|
dispatch_group_enter(moduleInvalidation);
|
|
[self dispatchBlock:^{
|
|
[(id<RCTInvalidating>)moduleData.instance invalidate];
|
|
dispatch_group_leave(moduleInvalidation);
|
|
} queue:moduleData.methodQueue];
|
|
}
|
|
[moduleData invalidate];
|
|
}
|
|
|
|
if (dispatch_group_wait(moduleInvalidation, dispatch_time(DISPATCH_TIME_NOW, 10 * NSEC_PER_SEC))) {
|
|
RCTLogError(@"Timed out waiting for modules to be invalidated");
|
|
}
|
|
|
|
self->_reactInstance.reset();
|
|
self->_jsMessageThread.reset();
|
|
|
|
self->_moduleDataByName = nil;
|
|
self->_moduleDataByID = nil;
|
|
self->_moduleClassesByID = nil;
|
|
self->_pendingCalls = nil;
|
|
|
|
[self->_jsThread cancel];
|
|
self->_jsThread = nil;
|
|
CFRunLoopStop(CFRunLoopGetCurrent());
|
|
}];
|
|
}
|
|
|
|
- (void)logMessage:(NSString *)message level:(NSString *)level
|
|
{
|
|
if (RCT_DEBUG && _valid) {
|
|
[self enqueueJSCall:@"RCTLog"
|
|
method:@"logIfNoNativeHook"
|
|
args:@[level, message]
|
|
completion:NULL];
|
|
}
|
|
}
|
|
|
|
#pragma mark - RCTBridge methods
|
|
|
|
- (void)_runAfterLoad:(RCTPendingCall)block
|
|
{
|
|
// Ordering here is tricky. Ideally, the C++ bridge would provide
|
|
// functionality to defer calls until after the app is loaded. Until that
|
|
// happens, we do this. _pendingCount keeps a count of blocks which have
|
|
// been deferred. It is incremented using an atomic barrier call before each
|
|
// block is added to the js queue, and decremented using an atomic barrier
|
|
// call after the block is executed. If _pendingCount is zero, there is no
|
|
// work either in the js queue, or in _pendingCalls, so it is safe to add new
|
|
// work to the JS queue directly.
|
|
|
|
if (self.loading || _pendingCount > 0) {
|
|
// From the callers' perspecive:
|
|
|
|
// Phase 1: jsQueueBlocks are added to the queue; _pendingCount is
|
|
// incremented for each. If the first block is created after self.loading is
|
|
// true, phase 1 will be nothing.
|
|
_pendingCount++;
|
|
dispatch_block_t jsQueueBlock = ^{
|
|
// From the perspective of the JS queue:
|
|
if (self.loading) {
|
|
// Phase A: jsQueueBlocks are executed. self.loading is true, so they
|
|
// are added to _pendingCalls.
|
|
[self->_pendingCalls addObject:block];
|
|
} else {
|
|
// Phase C: More jsQueueBlocks are executed. self.loading is false, so
|
|
// each block is executed, adding work to the queue, and _pendingCount is
|
|
// decremented.
|
|
block();
|
|
self->_pendingCount--;
|
|
}
|
|
};
|
|
[self ensureOnJavaScriptThread:jsQueueBlock];
|
|
} else {
|
|
// Phase 2/Phase D: blocks are executed directly, adding work to the JS queue.
|
|
block();
|
|
}
|
|
}
|
|
|
|
- (void)logStartupFinish
|
|
{
|
|
// Log metrics about native requires during the bridge startup.
|
|
uint64_t nativeRequiresCount = [_performanceLogger valueForTag:RCTPLRAMNativeRequiresCount];
|
|
[_performanceLogger setValue:nativeRequiresCount forTag:RCTPLRAMStartupNativeRequiresCount];
|
|
uint64_t nativeRequires = [_performanceLogger valueForTag:RCTPLRAMNativeRequires];
|
|
[_performanceLogger setValue:nativeRequires forTag:RCTPLRAMStartupNativeRequires];
|
|
|
|
[_performanceLogger markStopForTag:RCTPLBridgeStartup];
|
|
}
|
|
|
|
- (void)_flushPendingCalls
|
|
{
|
|
RCT_PROFILE_BEGIN_EVENT(0, @"Processing pendingCalls", @{ @"count": [@(_pendingCalls.count) stringValue] });
|
|
// Phase B: _flushPendingCalls happens. Each block in _pendingCalls is
|
|
// executed, adding work to the queue, and _pendingCount is decremented.
|
|
// loading is set to NO.
|
|
NSArray<RCTPendingCall> *pendingCalls = _pendingCalls;
|
|
_pendingCalls = nil;
|
|
for (RCTPendingCall call in pendingCalls) {
|
|
call();
|
|
_pendingCount--;
|
|
}
|
|
_loading = NO;
|
|
RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
|
|
}
|
|
|
|
/**
|
|
* Public. Can be invoked from any thread.
|
|
*/
|
|
- (void)enqueueJSCall:(NSString *)module method:(NSString *)method args:(NSArray *)args completion:(dispatch_block_t)completion
|
|
{
|
|
if (!self.valid) {
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* AnyThread
|
|
*/
|
|
RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways, @"-[RCTCxxBridge enqueueJSCall:]", nil);
|
|
|
|
RCTProfileBeginFlowEvent();
|
|
__weak __typeof(self) weakSelf = self;
|
|
[self _runAfterLoad:^(){
|
|
RCTProfileEndFlowEvent();
|
|
__strong __typeof(weakSelf) strongSelf = weakSelf;
|
|
if (!strongSelf) {
|
|
return;
|
|
}
|
|
|
|
if (strongSelf->_reactInstance) {
|
|
strongSelf->_reactInstance->callJSFunction([module UTF8String], [method UTF8String],
|
|
convertIdToFollyDynamic(args ?: @[]));
|
|
|
|
// ensureOnJavaScriptThread may execute immediately, so use jsMessageThread, to make sure
|
|
// the block is invoked after callJSFunction
|
|
if (completion) {
|
|
if (strongSelf->_jsMessageThread) {
|
|
strongSelf->_jsMessageThread->runOnQueue(completion);
|
|
} else {
|
|
RCTLogWarn(@"Can't invoke completion without messageThread");
|
|
}
|
|
}
|
|
}
|
|
}];
|
|
|
|
RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
|
|
}
|
|
|
|
/**
|
|
* Called by RCTModuleMethod from any thread.
|
|
*/
|
|
- (void)enqueueCallback:(NSNumber *)cbID args:(NSArray *)args
|
|
{
|
|
if (!self.valid) {
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* AnyThread
|
|
*/
|
|
|
|
RCTProfileBeginFlowEvent();
|
|
__weak __typeof(self) weakSelf = self;
|
|
[self _runAfterLoad:^(){
|
|
RCTProfileEndFlowEvent();
|
|
__strong __typeof(weakSelf) strongSelf = weakSelf;
|
|
if (!strongSelf) {
|
|
return;
|
|
}
|
|
|
|
if (strongSelf->_reactInstance) {
|
|
strongSelf->_reactInstance->callJSCallback([cbID unsignedLongLongValue], convertIdToFollyDynamic(args ?: @[]));
|
|
}
|
|
}];
|
|
}
|
|
|
|
/**
|
|
* Private hack to support `setTimeout(fn, 0)`
|
|
*/
|
|
- (void)_immediatelyCallTimer:(NSNumber *)timer
|
|
{
|
|
RCTAssertJSThread();
|
|
|
|
if (_reactInstance) {
|
|
_reactInstance->callJSFunction("JSTimers", "callTimers",
|
|
folly::dynamic::array(folly::dynamic::array([timer doubleValue])));
|
|
}
|
|
}
|
|
|
|
- (void)enqueueApplicationScript:(NSData *)script
|
|
url:(NSURL *)url
|
|
onComplete:(dispatch_block_t)onComplete
|
|
{
|
|
RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways, @"-[RCTCxxBridge enqueueApplicationScript]", nil);
|
|
|
|
[self executeApplicationScript:script url:url async:YES];
|
|
|
|
RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
|
|
|
|
// Assumes that onComplete can be called when the next block on the JS thread is scheduled
|
|
if (onComplete) {
|
|
RCTAssert(_jsMessageThread != nullptr, @"Cannot invoke completion without jsMessageThread");
|
|
_jsMessageThread->runOnQueue(onComplete);
|
|
}
|
|
}
|
|
|
|
- (void)executeApplicationScriptSync:(NSData *)script url:(NSURL *)url
|
|
{
|
|
[self executeApplicationScript:script url:url async:NO];
|
|
}
|
|
|
|
- (void)executeApplicationScript:(NSData *)script
|
|
url:(NSURL *)url
|
|
async:(BOOL)async
|
|
{
|
|
[self _tryAndHandleError:^{
|
|
NSString *sourceUrlStr = deriveSourceURL(url);
|
|
[[NSNotificationCenter defaultCenter]
|
|
postNotificationName:RCTJavaScriptWillStartExecutingNotification
|
|
object:self->_parentBridge userInfo:@{@"bridge": self}];
|
|
if (isRAMBundle(script)) {
|
|
[self->_performanceLogger markStartForTag:RCTPLRAMBundleLoad];
|
|
auto ramBundle = std::make_unique<JSIndexedRAMBundle>(sourceUrlStr.UTF8String);
|
|
std::unique_ptr<const JSBigString> scriptStr = ramBundle->getStartupCode();
|
|
[self->_performanceLogger markStopForTag:RCTPLRAMBundleLoad];
|
|
[self->_performanceLogger setValue:scriptStr->size() forTag:RCTPLRAMStartupCodeSize];
|
|
if (self->_reactInstance) {
|
|
auto registry = RAMBundleRegistry::multipleBundlesRegistry(std::move(ramBundle), JSIndexedRAMBundle::buildFactory());
|
|
self->_reactInstance->loadRAMBundle(std::move(registry), std::move(scriptStr),
|
|
sourceUrlStr.UTF8String, !async);
|
|
}
|
|
} else if (self->_reactInstance) {
|
|
self->_reactInstance->loadScriptFromString(std::make_unique<NSDataBigString>(script),
|
|
sourceUrlStr.UTF8String, !async);
|
|
} else {
|
|
std::string methodName = async ? "loadApplicationScript" : "loadApplicationScriptSync";
|
|
throw std::logic_error("Attempt to call " + methodName + ": on uninitialized bridge");
|
|
}
|
|
}];
|
|
}
|
|
|
|
- (void)registerSegmentWithId:(NSUInteger)segmentId path:(NSString *)path
|
|
{
|
|
if (_reactInstance) {
|
|
_reactInstance->registerBundle(static_cast<uint32_t>(segmentId), path.UTF8String);
|
|
}
|
|
}
|
|
|
|
#pragma mark - Payload Processing
|
|
|
|
- (void)partialBatchDidFlush
|
|
{
|
|
for (RCTModuleData *moduleData in _moduleDataByID) {
|
|
if (moduleData.implementsPartialBatchDidFlush) {
|
|
[self dispatchBlock:^{
|
|
[moduleData.instance partialBatchDidFlush];
|
|
} queue:moduleData.methodQueue];
|
|
}
|
|
}
|
|
}
|
|
|
|
- (void)batchDidComplete
|
|
{
|
|
// TODO #12592471: batchDidComplete is only used by RCTUIManager,
|
|
// can we eliminate this special case?
|
|
for (RCTModuleData *moduleData in _moduleDataByID) {
|
|
if (moduleData.implementsBatchDidComplete) {
|
|
[self dispatchBlock:^{
|
|
[moduleData.instance batchDidComplete];
|
|
} queue:moduleData.methodQueue];
|
|
}
|
|
}
|
|
}
|
|
|
|
- (void)startProfiling
|
|
{
|
|
RCTAssertMainQueue();
|
|
|
|
[self ensureOnJavaScriptThread:^{
|
|
#if WITH_FBSYSTRACE
|
|
[RCTFBSystrace registerCallbacks];
|
|
#endif
|
|
RCTProfileInit(self);
|
|
|
|
[self enqueueJSCall:@"Systrace" method:@"setEnabled" args:@[@YES] completion:NULL];
|
|
}];
|
|
}
|
|
|
|
- (void)stopProfiling:(void (^)(NSData *))callback
|
|
{
|
|
RCTAssertMainQueue();
|
|
|
|
[self ensureOnJavaScriptThread:^{
|
|
[self enqueueJSCall:@"Systrace" method:@"setEnabled" args:@[@NO] completion:NULL];
|
|
RCTProfileEnd(self, ^(NSString *log) {
|
|
NSData *logData = [log dataUsingEncoding:NSUTF8StringEncoding];
|
|
callback(logData);
|
|
#if WITH_FBSYSTRACE
|
|
[RCTFBSystrace unregisterCallbacks];
|
|
#endif
|
|
});
|
|
}];
|
|
}
|
|
|
|
- (BOOL)isBatchActive
|
|
{
|
|
return _wasBatchActive;
|
|
}
|
|
|
|
@end
|