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/v8-internal-value-type.h"
6
7 #include "src/inspector/protocol-platform.h"
8 #include "src/inspector/string-util.h"
9
10 namespace v8_inspector {
11
12 namespace {
13
internalSubtypePrivate(v8::Isolate * isolate)14 v8::Local<v8::Private> internalSubtypePrivate(v8::Isolate* isolate) {
15 return v8::Private::ForApi(
16 isolate,
17 toV8StringInternalized(isolate, "V8InternalType#internalSubtype"));
18 }
19
subtypeForInternalType(v8::Isolate * isolate,V8InternalValueType type)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
markAsInternal(v8::Local<v8::Context> context,v8::Local<v8::Object> object,V8InternalValueType type)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
markArrayEntriesAsInternal(v8::Local<v8::Context> context,v8::Local<v8::Array> array,V8InternalValueType type)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 (uint32_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
v8InternalValueTypeFrom(v8::Local<v8::Context> context,v8::Local<v8::Object> object)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
78