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 | |