/* * 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. ``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 * 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. */ #import <JavaScriptCore/JavaScriptCore.h> #if JSC_OBJC_API_ENABLED // An instance of JSVirtualMachine represents a single JavaScript "object space" // or set of execution resources. Thread safety is supported by locking the // virtual machine, with concurrent JavaScript execution supported by allocating // separate instances of JSVirtualMachine. NS_CLASS_AVAILABLE(10_9, NA) @interface JSVirtualMachine : NSObject // Create a new JSVirtualMachine. - (id)init; // addManagedReference:withOwner and removeManagedReference:withOwner allow // clients of JSVirtualMachine to make the JavaScript runtime aware of // arbitrary external Objective-C object graphs. The runtime can then use // this information to retain any JavaScript values that are referenced // from somewhere in said object graph. // // For correct behavior clients must make their external object graphs // reachable from within the JavaScript runtime. If an Objective-C object is // reachable from within the JavaScript runtime, all managed references // transitively reachable from it as recorded with // addManagedReference:withOwner: will be scanned by the garbage collector. // - (void)addManagedReference:(id)object withOwner:(id)owner; - (void)removeManagedReference:(id)object withOwner:(id)owner; @end #endif