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1 // Copyright 2016 the V8 project authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "src/inspector/V8InternalValueType.h" | |
6 | |
7 #include "src/inspector/ProtocolPlatform.h" | |
8 #include "src/inspector/StringUtil.h" | |
9 | |
10 namespace v8_inspector { | |
11 | |
12 namespace { | |
13 | |
14 v8::Local<v8::Private> internalSubtypePrivate(v8::Isolate* isolate) { | |
15 return v8::Private::ForApi( | |
16 isolate, | |
17 toV8StringInternalized(isolate, "V8InternalType#internalSubtype")); | |
18 } | |
19 | |
20 v8::Local<v8::String> subtypeForInternalType(v8::Isolate* isolate, | |
21 V8InternalValueType type) { | |
22 switch (type) { | |
23 case V8InternalValueType::kEntry: | |
24 return toV8StringInternalized(isolate, "internal#entry"); | |
25 case V8InternalValueType::kLocation: | |
26 return toV8StringInternalized(isolate, "internal#location"); | |
27 case V8InternalValueType::kScope: | |
28 return toV8StringInternalized(isolate, "internal#scope"); | |
29 case V8InternalValueType::kScopeList: | |
30 return toV8StringInternalized(isolate, "internal#scopeList"); | |
31 } | |
32 UNREACHABLE(); | |
33 return v8::Local<v8::String>(); | |
34 } | |
35 | |
36 } // namespace | |
37 | |
38 bool markAsInternal(v8::Local<v8::Context> context, | |
39 v8::Local<v8::Object> object, V8InternalValueType type) { | |
40 v8::Isolate* isolate = context->GetIsolate(); | |
41 v8::Local<v8::Private> privateValue = internalSubtypePrivate(isolate); | |
42 v8::Local<v8::String> subtype = subtypeForInternalType(isolate, type); | |
43 return object->SetPrivate(context, privateValue, subtype).FromMaybe(false); | |
44 } | |
45 | |
46 bool markArrayEntriesAsInternal(v8::Local<v8::Context> context, | |
47 v8::Local<v8::Array> array, | |
48 V8InternalValueType type) { | |
49 v8::Isolate* isolate = context->GetIsolate(); | |
50 v8::Local<v8::Private> privateValue = internalSubtypePrivate(isolate); | |
51 v8::Local<v8::String> subtype = subtypeForInternalType(isolate, type); | |
52 for (size_t i = 0; i < array->Length(); ++i) { | |
53 v8::Local<v8::Value> entry; | |
54 if (!array->Get(context, i).ToLocal(&entry) || !entry->IsObject()) | |
55 return false; | |
56 if (!entry.As<v8::Object>() | |
57 ->SetPrivate(context, privateValue, subtype) | |
58 .FromMaybe(false)) | |
59 return false; | |
60 } | |
61 return true; | |
62 } | |
63 | |
64 v8::Local<v8::Value> v8InternalValueTypeFrom(v8::Local<v8::Context> context, | |
65 v8::Local<v8::Object> object) { | |
66 v8::Isolate* isolate = context->GetIsolate(); | |
67 v8::Local<v8::Private> privateValue = internalSubtypePrivate(isolate); | |
68 if (!object->HasPrivate(context, privateValue).FromMaybe(false)) | |
69 return v8::Null(isolate); | |
70 v8::Local<v8::Value> subtypeValue; | |
71 if (!object->GetPrivate(context, privateValue).ToLocal(&subtypeValue) || | |
72 !subtypeValue->IsString()) | |
73 return v8::Null(isolate); | |
74 return subtypeValue; | |
75 } | |
76 | |
77 } // namespace v8_inspector | |
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