| 1 | /* |
| 2 | * Copyright (C) 2015-2017 Apple Inc. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| 14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| 17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| 23 | * THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #include "config.h" |
| 27 | #include "JSInternalPromise.h" |
| 28 | |
| 29 | #include "BuiltinNames.h" |
| 30 | #include "JSCInlines.h" |
| 31 | |
| 32 | namespace JSC { |
| 33 | |
| 34 | const ClassInfo JSInternalPromise::s_info = { "InternalPromise" , &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSInternalPromise) }; |
| 35 | |
| 36 | JSInternalPromise* JSInternalPromise::create(VM& vm, Structure* structure) |
| 37 | { |
| 38 | JSInternalPromise* promise = new (NotNull, allocateCell<JSInternalPromise>(vm.heap)) JSInternalPromise(vm, structure); |
| 39 | promise->finishCreation(vm); |
| 40 | return promise; |
| 41 | } |
| 42 | |
| 43 | Structure* JSInternalPromise::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype) |
| 44 | { |
| 45 | return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info()); |
| 46 | } |
| 47 | |
| 48 | JSInternalPromise::JSInternalPromise(VM& vm, Structure* structure) |
| 49 | : Base(vm, structure) |
| 50 | { |
| 51 | } |
| 52 | |
| 53 | JSInternalPromise* JSInternalPromise::then(ExecState* exec, JSFunction* onFulfilled, JSFunction* onRejected) |
| 54 | { |
| 55 | VM& vm = exec->vm(); |
| 56 | auto scope = DECLARE_THROW_SCOPE(vm); |
| 57 | |
| 58 | JSObject* function = jsCast<JSObject*>(get(exec, vm.propertyNames->builtinNames().thenPublicName())); |
| 59 | RETURN_IF_EXCEPTION(scope, nullptr); |
| 60 | CallData callData; |
| 61 | CallType callType = JSC::getCallData(vm, function, callData); |
| 62 | ASSERT(callType != CallType::None); |
| 63 | |
| 64 | MarkedArgumentBuffer arguments; |
| 65 | arguments.append(onFulfilled ? onFulfilled : jsUndefined()); |
| 66 | arguments.append(onRejected ? onRejected : jsUndefined()); |
| 67 | ASSERT(!arguments.hasOverflowed()); |
| 68 | |
| 69 | RELEASE_AND_RETURN(scope, jsCast<JSInternalPromise*>(call(exec, function, callType, callData, this, arguments))); |
| 70 | } |
| 71 | |
| 72 | } // namespace JSC |
| 73 | |