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
|
/*
* Copyright (c) 2022, David Tuin <davidot@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/AbstractOperations.h>
#include <LibJS/Runtime/Array.h>
#include <LibJS/Runtime/ErrorConstructor.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/IteratorOperations.h>
#include <LibJS/Runtime/SuppressedError.h>
#include <LibJS/Runtime/SuppressedErrorConstructor.h>
namespace JS {
SuppressedErrorConstructor::SuppressedErrorConstructor(Realm& realm)
: NativeFunction(static_cast<Object&>(realm.intrinsics().error_constructor()))
{
}
ThrowCompletionOr<void> SuppressedErrorConstructor::initialize(Realm& realm)
{
auto& vm = this->vm();
MUST_OR_THROW_OOM(NativeFunction::initialize(realm));
// 10.1.4.2.1 SuppressedError.prototype, https://tc39.es/proposal-explicit-resource-management/#sec-suppressederror.prototype
define_direct_property(vm.names.prototype, realm.intrinsics().suppressed_error_prototype(), 0);
define_direct_property(vm.names.length, Value(3), Attribute::Configurable);
return {};
}
// 10.1.4.1.1 SuppressedError ( error, suppressed, message [ , options ] ), https://tc39.es/proposal-explicit-resource-management/#sec-suppressederror
ThrowCompletionOr<Value> SuppressedErrorConstructor::call()
{
// 1. If NewTarget is undefined, let newTarget be the active function object; else let newTarget be NewTarget.
return TRY(construct(*this));
}
// 10.1.4.1.1 SuppressedError ( error, suppressed, message [ , options ] ), https://tc39.es/proposal-explicit-resource-management/#sec-suppressederror
ThrowCompletionOr<NonnullGCPtr<Object>> SuppressedErrorConstructor::construct(FunctionObject& new_target)
{
auto& vm = this->vm();
auto error = vm.argument(0);
auto suppressed = vm.argument(1);
auto message = vm.argument(2);
auto options = vm.argument(3);
// 2. Let O be ? OrdinaryCreateFromConstructor(newTarget, "%SuppressedError.prototype%", « [[ErrorData]] »).
auto suppressed_error = TRY(ordinary_create_from_constructor<SuppressedError>(vm, new_target, &Intrinsics::suppressed_error_prototype));
// 3. If message is not undefined, then
if (!message.is_undefined()) {
// a. Let msg be ? ToString(message).
auto msg = TRY(message.to_string(vm));
// b. Perform CreateNonEnumerableDataPropertyOrThrow(O, "message", msg).
suppressed_error->create_non_enumerable_data_property_or_throw(vm.names.message, PrimitiveString::create(vm, move(msg)));
}
// 4. Perform ? InstallErrorCause(O, options).
TRY(suppressed_error->install_error_cause(options));
// 5. Perform ! DefinePropertyOrThrow(O, "error", PropertyDescriptor { [[Configurable]]: true, [[Enumerable]]: false, [[Writable]]: true, [[Value]]: error }).
MUST(suppressed_error->define_property_or_throw(vm.names.error, { .value = error, .writable = true, .enumerable = false, .configurable = true }));
// 6. Perform ! DefinePropertyOrThrow(O, "suppressed", PropertyDescriptor { [[Configurable]]: true, [[Enumerable]]: false, [[Writable]]: true, [[Value]]: suppressed }).
MUST(suppressed_error->define_property_or_throw(vm.names.suppressed, { .value = suppressed, .writable = true, .enumerable = false, .configurable = true }));
// 7. Return O.
return suppressed_error;
}
}
|
