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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
// Copyright 2014 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.
#include "src/v8.h"
#include "src/arguments.h"
#include "src/runtime/runtime-utils.h"
namespace v8 {
namespace internal {
RUNTIME_FUNCTION(Runtime_IsObserved) {
SealHandleScope shs(isolate);
DCHECK(args.length() == 1);
if (!args[0]->IsJSReceiver()) return isolate->heap()->false_value();
CONVERT_ARG_CHECKED(JSReceiver, obj, 0);
DCHECK(!obj->IsJSGlobalProxy() || !obj->map()->is_observed());
return isolate->heap()->ToBoolean(obj->map()->is_observed());
}
RUNTIME_FUNCTION(Runtime_SetIsObserved) {
HandleScope scope(isolate);
DCHECK(args.length() == 1);
CONVERT_ARG_HANDLE_CHECKED(JSReceiver, obj, 0);
RUNTIME_ASSERT(!obj->IsJSGlobalProxy());
if (obj->IsJSProxy()) return isolate->heap()->undefined_value();
RUNTIME_ASSERT(!obj->map()->is_observed());
DCHECK(obj->IsJSObject());
JSObject::SetObserved(Handle<JSObject>::cast(obj));
return isolate->heap()->undefined_value();
}
RUNTIME_FUNCTION(Runtime_EnqueueMicrotask) {
HandleScope scope(isolate);
DCHECK(args.length() == 1);
CONVERT_ARG_HANDLE_CHECKED(JSFunction, microtask, 0);
isolate->EnqueueMicrotask(microtask);
return isolate->heap()->undefined_value();
}
RUNTIME_FUNCTION(Runtime_RunMicrotasks) {
HandleScope scope(isolate);
DCHECK(args.length() == 0);
isolate->RunMicrotasks();
return isolate->heap()->undefined_value();
}
RUNTIME_FUNCTION(Runtime_GetObservationState) {
SealHandleScope shs(isolate);
DCHECK(args.length() == 0);
return isolate->heap()->observation_state();
}
static bool ContextsHaveSameOrigin(Handle<Context> context1,
Handle<Context> context2) {
return context1->security_token() == context2->security_token();
}
RUNTIME_FUNCTION(Runtime_ObserverObjectAndRecordHaveSameOrigin) {
HandleScope scope(isolate);
DCHECK(args.length() == 3);
CONVERT_ARG_HANDLE_CHECKED(JSFunction, observer, 0);
CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 1);
CONVERT_ARG_HANDLE_CHECKED(JSObject, record, 2);
Handle<Context> observer_context(observer->context()->native_context());
Handle<Context> object_context(object->GetCreationContext());
Handle<Context> record_context(record->GetCreationContext());
return isolate->heap()->ToBoolean(
ContextsHaveSameOrigin(object_context, observer_context) &&
ContextsHaveSameOrigin(object_context, record_context));
}
RUNTIME_FUNCTION(Runtime_ObjectWasCreatedInCurrentOrigin) {
HandleScope scope(isolate);
DCHECK(args.length() == 1);
CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0);
Handle<Context> creation_context(object->GetCreationContext(), isolate);
return isolate->heap()->ToBoolean(
ContextsHaveSameOrigin(creation_context, isolate->native_context()));
}
RUNTIME_FUNCTION(Runtime_GetObjectContextObjectObserve) {
HandleScope scope(isolate);
DCHECK(args.length() == 1);
CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0);
Handle<Context> context(object->GetCreationContext(), isolate);
return context->native_object_observe();
}
RUNTIME_FUNCTION(Runtime_GetObjectContextObjectGetNotifier) {
HandleScope scope(isolate);
DCHECK(args.length() == 1);
CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0);
Handle<Context> context(object->GetCreationContext(), isolate);
return context->native_object_get_notifier();
}
RUNTIME_FUNCTION(Runtime_GetObjectContextNotifierPerformChange) {
HandleScope scope(isolate);
DCHECK(args.length() == 1);
CONVERT_ARG_HANDLE_CHECKED(JSObject, object_info, 0);
Handle<Context> context(object_info->GetCreationContext(), isolate);
return context->native_object_notifier_perform_change();
}
}
} // namespace v8::internal
|