1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
namespace reflect {
const kCalledOnNonObject: constexpr MessageTemplate
generates 'MessageTemplate::kCalledOnNonObject';
// ES6 section 26.1.10 Reflect.isExtensible
transitioning javascript builtin ReflectIsExtensible(
js-implicit context: Context)(_receiver: Object, object: Object): Object {
const objectJSReceiver = Cast<JSReceiver>(object)
otherwise ThrowTypeError(kCalledOnNonObject, 'Reflect.isExtensible');
return object::ObjectIsExtensible(objectJSReceiver);
}
// ES6 section 26.1.12 Reflect.preventExtensions
transitioning javascript builtin ReflectPreventExtensions(
js-implicit context: Context)(_receiver: Object, object: Object): Object {
const objectJSReceiver = Cast<JSReceiver>(object)
otherwise ThrowTypeError(kCalledOnNonObject, 'Reflect.preventExtensions');
return object::ObjectPreventExtensionsDontThrow(objectJSReceiver);
}
// ES6 section 26.1.8 Reflect.getPrototypeOf
transitioning javascript builtin ReflectGetPrototypeOf(
js-implicit context: Context)(_receiver: Object, object: Object): Object {
const objectJSReceiver = Cast<JSReceiver>(object)
otherwise ThrowTypeError(kCalledOnNonObject, 'Reflect.getPrototypeOf');
return object::JSReceiverGetPrototypeOf(objectJSReceiver);
}
// ES6 section 26.1.14 Reflect.setPrototypeOf
transitioning javascript builtin ReflectSetPrototypeOf(
js-implicit context:
Context)(_receiver: Object, object: Object, proto: Object): Object {
const objectJSReceiver = Cast<JSReceiver>(object)
otherwise ThrowTypeError(kCalledOnNonObject, 'Reflect.setPrototypeOf');
if (proto == Null || Is<JSReceiver>(proto)) {
return object::ObjectSetPrototypeOfDontThrow(objectJSReceiver, proto);
}
ThrowTypeError(kProtoObjectOrNull, proto);
}
extern transitioning builtin ToName(implicit context: Context)(Object): Name;
type OnNonExistent constexpr 'OnNonExistent';
const kReturnUndefined: constexpr OnNonExistent
generates 'OnNonExistent::kReturnUndefined';
extern macro SmiConstant(constexpr OnNonExistent): Smi;
extern transitioning builtin GetPropertyWithReceiver(
implicit context: Context)(Object, Name, Object, Smi): Object;
// ES6 section 26.1.6 Reflect.get
transitioning javascript builtin
ReflectGet(js-implicit context: Context)(...arguments): Object {
const length = arguments.length;
const object: Object = length > 0 ? arguments[0] : Undefined;
const objectJSReceiver = Cast<JSReceiver>(object)
otherwise ThrowTypeError(kCalledOnNonObject, 'Reflect.get');
const propertyKey: Object = length > 1 ? arguments[1] : Undefined;
const name: Name = ToName(propertyKey);
const receiver: Object = length > 2 ? arguments[2] : objectJSReceiver;
return GetPropertyWithReceiver(
objectJSReceiver, name, receiver, SmiConstant(kReturnUndefined));
}
// ES6 section 26.1.4 Reflect.deleteProperty
transitioning javascript builtin ReflectDeleteProperty(
js-implicit context:
Context)(_receiver: Object, object: Object, key: Object): Object {
const objectJSReceiver = Cast<JSReceiver>(object)
otherwise ThrowTypeError(kCalledOnNonObject, 'Reflect.deleteProperty');
const name: Name = ToName(key);
if (IsPrivateSymbol(name)) {
return DeleteProperty(objectJSReceiver, name, kSloppy);
}
const proxy = Cast<JSProxy>(objectJSReceiver)
otherwise return DeleteProperty(objectJSReceiver, name, kSloppy);
return proxy::ProxyDeleteProperty(proxy, name, kSloppy);
}
} // namespace reflect
|
