110 lines
3.5 KiB
C
110 lines
3.5 KiB
C
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import <JavaScriptCore/JavaScriptCore.h>
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#import <React/RCTJavaScriptExecutor.h>
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typedef void (^RCTJavaScriptValueCallback)(JSValue *result, NSError *error);
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/**
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* Default name for the JS thread
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*/
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RCT_EXTERN NSString *const RCTJSCThreadName;
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/**
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* This notification fires on the JS thread immediately after a `JSContext`
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* is fully initialized, but before the JS bundle has been loaded. The object
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* of this notification is the `JSContext`. Native modules should listen for
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* notification only if they need to install custom functionality into the
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* context. Note that this notification won't fire when debugging in Chrome.
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*/
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RCT_EXTERN NSString *const RCTJavaScriptContextCreatedNotification;
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/**
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* Uses a JavaScriptCore context as the execution engine.
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*/
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@interface RCTJSCExecutor : NSObject <RCTJavaScriptExecutor>
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/**
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* Returns whether executor uses custom JSC library.
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* This value is used to initialize RCTJSCWrapper.
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* @default is NO.
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*/
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@property (nonatomic, readonly, assign) BOOL useCustomJSCLibrary;
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/**
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* Returns the bytecode file format that the underlying runtime supports.
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*/
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@property (nonatomic, readonly) int32_t bytecodeFileFormatVersion;
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/**
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* Specify a name for the JSContext used, which will be visible in debugging tools
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* @default is "RCTJSContext"
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*/
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@property (nonatomic, copy) NSString *contextName;
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/**
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* Inits a new executor instance with given flag that's used
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* to initialize RCTJSCWrapper.
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*/
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- (instancetype)initWithUseCustomJSCLibrary:(BOOL)useCustomJSCLibrary;
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/**
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* @experimental
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* synchronouslyExecuteApplicationScript:sourceURL:JSContext:error:
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*
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* Run the provided JS Script/Bundle, blocking the caller until it finishes.
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* If there is an error during execution, it is returned, otherwise `NULL` is
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* returned.
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*/
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- (NSError *)synchronouslyExecuteApplicationScript:(NSData *)script
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sourceURL:(NSURL *)sourceURL;
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/**
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* Invokes the given module/method directly. The completion block will be called with the
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* JSValue returned by the JS context.
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*
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* Currently this does not flush the JS-to-native message queue.
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*/
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- (void)callFunctionOnModule:(NSString *)module
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method:(NSString *)method
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arguments:(NSArray *)args
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jsValueCallback:(RCTJavaScriptValueCallback)onComplete;
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/**
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* Get the JavaScriptCore context associated with this executor instance.
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*/
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- (JSContext *)jsContext;
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@end
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/**
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* @experimental
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* May be used to pre-create the JSContext to make RCTJSCExecutor creation less costly.
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* Avoid using this; it's experimental and is not likely to be supported long-term.
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*/
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@interface RCTJSContextProvider : NSObject
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- (instancetype)initWithUseCustomJSCLibrary:(BOOL)useCustomJSCLibrary;
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/**
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* Marks whether the provider uses the custom implementation of JSC and not the system one.
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*/
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@property (nonatomic, readonly, assign) BOOL useCustomJSCLibrary;
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/**
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* @experimental
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* Create an RCTJSCExecutor from an provider instance. This may only be called once.
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* The underlying JSContext will be returned in the JSContext pointer if it is non-NULL.
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*/
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- (RCTJSCExecutor *)createExecutorWithContext:(JSContext **)JSContext;
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@end
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