1/*
2 * Copyright (C) 2013, 2016 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 "JSPromiseConstructor.h"
28
29#include "BuiltinNames.h"
30#include "Error.h"
31#include "Exception.h"
32#include "GetterSetter.h"
33#include "IteratorOperations.h"
34#include "JSCBuiltins.h"
35#include "JSCInlines.h"
36#include "JSFunction.h"
37#include "JSPromise.h"
38#include "JSPromisePrototype.h"
39#include "Lookup.h"
40#include "NumberObject.h"
41
42namespace JSC {
43
44STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(JSPromiseConstructor);
45
46}
47
48#include "JSPromiseConstructor.lut.h"
49
50namespace JSC {
51
52const ClassInfo JSPromiseConstructor::s_info = { "Function", &Base::s_info, &promiseConstructorTable, nullptr, CREATE_METHOD_TABLE(JSPromiseConstructor) };
53
54/* Source for JSPromiseConstructor.lut.h
55@begin promiseConstructorTable
56 resolve JSBuiltin DontEnum|Function 1
57 reject JSBuiltin DontEnum|Function 1
58 race JSBuiltin DontEnum|Function 1
59 all JSBuiltin DontEnum|Function 1
60 allSettled JSBuiltin DontEnum|Function 1
61@end
62*/
63
64JSPromiseConstructor* JSPromiseConstructor::create(VM& vm, Structure* structure, JSPromisePrototype* promisePrototype, GetterSetter* speciesSymbol)
65{
66 JSPromiseConstructor* constructor = new (NotNull, allocateCell<JSPromiseConstructor>(vm.heap)) JSPromiseConstructor(vm, structure);
67 constructor->finishCreation(vm, promisePrototype, speciesSymbol);
68 constructor->addOwnInternalSlots(vm, structure->globalObject());
69 return constructor;
70}
71
72Structure* JSPromiseConstructor::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
73{
74 return Structure::create(vm, globalObject, prototype, TypeInfo(InternalFunctionType, StructureFlags), info());
75}
76
77
78static EncodedJSValue JSC_HOST_CALL callPromise(ExecState*);
79static EncodedJSValue JSC_HOST_CALL constructPromise(ExecState*);
80
81JSPromiseConstructor::JSPromiseConstructor(VM& vm, Structure* structure)
82 : Base(vm, structure, callPromise, constructPromise)
83{
84}
85
86JSPromiseConstructor::JSPromiseConstructor(VM& vm, Structure* structure, NativeFunction functionForCall, NativeFunction functionForConstruct)
87 : Base(vm, structure, functionForCall, functionForConstruct)
88{
89}
90
91void JSPromiseConstructor::finishCreation(VM& vm, JSPromisePrototype* promisePrototype, GetterSetter* speciesSymbol)
92{
93 Base::finishCreation(vm, vm.propertyNames->Promise.string(), NameVisibility::Visible, NameAdditionMode::WithoutStructureTransition);
94 putDirectWithoutTransition(vm, vm.propertyNames->prototype, promisePrototype, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly);
95 putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(1), PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
96 putDirectNonIndexAccessorWithoutTransition(vm, vm.propertyNames->speciesSymbol, speciesSymbol, PropertyAttribute::Accessor | PropertyAttribute::ReadOnly | PropertyAttribute::DontEnum);
97}
98
99void JSPromiseConstructor::addOwnInternalSlots(VM& vm, JSGlobalObject* globalObject)
100{
101 JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->builtinNames().resolvePrivateName(), promiseConstructorResolveCodeGenerator, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly);
102 JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->builtinNames().rejectPrivateName(), promiseConstructorRejectCodeGenerator, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly);
103}
104
105static EncodedJSValue JSC_HOST_CALL constructPromise(ExecState* exec)
106{
107 VM& vm = exec->vm();
108 auto scope = DECLARE_THROW_SCOPE(vm);
109 JSGlobalObject* globalObject = exec->jsCallee()->globalObject(vm);
110
111 JSValue newTarget = exec->newTarget();
112 if (newTarget.isUndefined())
113 return throwVMTypeError(exec, scope);
114
115 Structure* promiseStructure = InternalFunction::createSubclassStructure(exec, exec->newTarget(), globalObject->promiseStructure());
116 RETURN_IF_EXCEPTION(scope, encodedJSValue());
117 JSPromise* promise = JSPromise::create(vm, promiseStructure);
118 promise->initialize(exec, globalObject, exec->argument(0));
119 RETURN_IF_EXCEPTION(scope, encodedJSValue());
120
121 return JSValue::encode(promise);
122}
123
124static EncodedJSValue JSC_HOST_CALL callPromise(ExecState* exec)
125{
126 VM& vm = exec->vm();
127 auto scope = DECLARE_THROW_SCOPE(vm);
128 return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(exec, scope, "Promise"));
129}
130
131} // namespace JSC
132