/* * Copyright (C) 2013 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include "CurrentThisInsideBlockGetterTest.h" #if JSC_OBJC_API_ENABLED #import #import static JSObjectRef CallAsConstructor(JSContextRef ctx, JSObjectRef constructor, size_t, const JSValueRef[], JSValueRef*) { JSObjectRef newObjectRef = NULL; NSMutableDictionary *constructorPrivateProperties = (__bridge NSMutableDictionary *)(JSObjectGetPrivate(constructor)); NSDictionary *constructorDescriptor = constructorPrivateProperties[@"constructorDescriptor"]; newObjectRef = JSObjectMake(ctx, NULL, NULL); NSDictionary *objectProperties = constructorDescriptor[@"objectProperties"]; if (objectProperties) { JSValue *newObject = [JSValue valueWithJSValueRef:newObjectRef inContext:[JSContext contextWithJSGlobalContextRef:JSContextGetGlobalContext(ctx)]]; for (NSString *objectProperty in objectProperties) { [newObject defineProperty:objectProperty descriptor:objectProperties[objectProperty]]; } } return newObjectRef; } static void ConstructorFinalize(JSObjectRef object) { NSMutableDictionary *privateProperties = (__bridge NSMutableDictionary *)(JSObjectGetPrivate(object)); CFBridgingRelease((__bridge CFTypeRef)(privateProperties)); JSObjectSetPrivate(object, NULL); } static JSClassRef ConstructorClass(void) { static JSClassRef constructorClass = NULL; if (constructorClass == NULL) { JSClassDefinition classDefinition = kJSClassDefinitionEmpty; classDefinition.className = "Constructor"; classDefinition.callAsConstructor = CallAsConstructor; classDefinition.finalize = ConstructorFinalize; constructorClass = JSClassCreate(&classDefinition); } return constructorClass; } @interface JSValue (ConstructorCreation) + (JSValue *)valueWithConstructorDescriptor:(NSDictionary *)constructorDescriptor inContext:(JSContext *)context; @end @implementation JSValue (ConstructorCreation) + (JSValue *)valueWithConstructorDescriptor:(id)constructorDescriptor inContext:(JSContext *)context { NSMutableDictionary *privateProperties = [@{ @"constructorDescriptor" : constructorDescriptor } mutableCopy]; JSGlobalContextRef ctx = [context JSGlobalContextRef]; JSObjectRef constructorRef = JSObjectMake(ctx, ConstructorClass(), (void *)CFBridgingRetain(privateProperties)); JSValue *constructor = [JSValue valueWithJSValueRef:constructorRef inContext:context]; return constructor; } @end @interface JSContext (ConstructorCreation) - (JSValue *)valueWithConstructorDescriptor:(NSDictionary *)constructorDescriptor; @end @implementation JSContext (ConstructorCreation) - (JSValue *)valueWithConstructorDescriptor:(id)constructorDescriptor { return [JSValue valueWithConstructorDescriptor:constructorDescriptor inContext:self]; } @end void currentThisInsideBlockGetterTest() { @autoreleasepool { JSContext *context = [[JSContext alloc] init]; JSValue *myConstructor = [context valueWithConstructorDescriptor:@{ @"objectProperties" : @{ @"currentThis" : @{ JSPropertyDescriptorGetKey : ^{ return JSContext.currentThis; } }, }, }]; JSValue *myObj1 = [myConstructor constructWithArguments:nil]; NSLog(@"myObj1.currentThis: %@", myObj1[@"currentThis"]); JSValue *myObj2 = [myConstructor constructWithArguments:@[ @"bar" ]]; NSLog(@"myObj2.currentThis: %@", myObj2[@"currentThis"]); } } #endif // JSC_OBJC_API_ENABLED