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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/*
* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/TypeCasts.h>
#include <LibJS/Contrib/Test262/$262Object.h>
#include <LibJS/Contrib/Test262/AgentObject.h>
#include <LibJS/Contrib/Test262/GlobalObject.h>
#include <LibJS/Contrib/Test262/IsHTMLDDA.h>
#include <LibJS/Heap/Cell.h>
#include <LibJS/Interpreter.h>
#include <LibJS/Runtime/ArrayBuffer.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Object.h>
#include <LibJS/Script.h>
namespace JS::Test262 {
$262Object::$262Object(Realm& realm)
: Object(Object::ConstructWithoutPrototypeTag::Tag, realm)
{
}
void $262Object::initialize(Realm& realm)
{
Base::initialize(realm);
m_agent = vm().heap().allocate<AgentObject>(realm, realm);
m_is_htmldda = vm().heap().allocate<IsHTMLDDA>(realm, realm);
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(realm, "clearKeptObjects", clear_kept_objects, 0, attr);
define_native_function(realm, "createRealm", create_realm, 0, attr);
define_native_function(realm, "detachArrayBuffer", detach_array_buffer, 1, attr);
define_native_function(realm, "evalScript", eval_script, 1, attr);
define_direct_property("agent", m_agent, attr);
define_direct_property("gc", realm.global_object().get_without_side_effects("gc"), attr);
define_direct_property("global", &realm.global_object(), attr);
define_direct_property("IsHTMLDDA", m_is_htmldda, attr);
}
void $262Object::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_agent);
visitor.visit(m_is_htmldda);
}
JS_DEFINE_NATIVE_FUNCTION($262Object::clear_kept_objects)
{
vm.finish_execution_generation();
return js_undefined();
}
JS_DEFINE_NATIVE_FUNCTION($262Object::create_realm)
{
auto realm = Realm::create(vm);
auto realm_global_object = vm.heap().allocate_without_realm<GlobalObject>(*realm);
VERIFY(realm_global_object);
realm->set_global_object(realm_global_object, nullptr);
set_default_global_bindings(*realm);
realm_global_object->initialize(*realm);
return Value(realm_global_object->$262());
}
JS_DEFINE_NATIVE_FUNCTION($262Object::detach_array_buffer)
{
auto array_buffer = vm.argument(0);
if (!array_buffer.is_object() || !is<ArrayBuffer>(array_buffer.as_object()))
return vm.throw_completion<TypeError>();
auto& array_buffer_object = static_cast<ArrayBuffer&>(array_buffer.as_object());
TRY(JS::detach_array_buffer(vm, array_buffer_object, vm.argument(1)));
return js_null();
}
JS_DEFINE_NATIVE_FUNCTION($262Object::eval_script)
{
auto source_text = TRY(vm.argument(0).to_deprecated_string(vm));
// 1. Let hostDefined be any host-defined values for the provided sourceText (obtained in an implementation dependent manner)
// 2. Let realm be the current Realm Record.
auto& realm = *vm.current_realm();
// 3. Let s be ParseScript(sourceText, realm, hostDefined).
auto script_or_error = Script::parse(source_text, realm);
// 4. If s is a List of errors, then
if (script_or_error.is_error()) {
// a. Let error be the first element of s.
auto& error = script_or_error.error()[0];
// b. Return Completion { [[Type]]: throw, [[Value]]: error, [[Target]]: empty }.
return vm.throw_completion<SyntaxError>(error.to_deprecated_string());
}
// 5. Let status be ScriptEvaluation(s).
auto status = vm.interpreter().run(script_or_error.value());
// 6. Return Completion(status).
return status;
}
}
|
