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// Copyright 2016 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/inspector/v8-internal-value-type.h"
#include "src/inspector/string-util.h"
namespace v8_inspector {
namespace {
v8::Local<v8::Private> internalSubtypePrivate(v8::Isolate* isolate) {
return v8::Private::ForApi(
isolate,
toV8StringInternalized(isolate, "V8InternalType#internalSubtype"));
}
v8::Local<v8::String> subtypeForInternalType(v8::Isolate* isolate,
V8InternalValueType type) {
switch (type) {
case V8InternalValueType::kEntry:
return toV8StringInternalized(isolate, "internal#entry");
case V8InternalValueType::kLocation:
return toV8StringInternalized(isolate, "internal#location");
case V8InternalValueType::kScope:
return toV8StringInternalized(isolate, "internal#scope");
case V8InternalValueType::kScopeList:
return toV8StringInternalized(isolate, "internal#scopeList");
}
UNREACHABLE();
}
} // namespace
bool markAsInternal(v8::Local<v8::Context> context,
v8::Local<v8::Object> object, V8InternalValueType type) {
v8::Isolate* isolate = context->GetIsolate();
v8::Local<v8::Private> privateValue = internalSubtypePrivate(isolate);
v8::Local<v8::String> subtype = subtypeForInternalType(isolate, type);
return object->SetPrivate(context, privateValue, subtype).FromMaybe(false);
}
bool markArrayEntriesAsInternal(v8::Local<v8::Context> context,
v8::Local<v8::Array> array,
V8InternalValueType type) {
v8::Isolate* isolate = context->GetIsolate();
v8::Local<v8::Private> privateValue = internalSubtypePrivate(isolate);
v8::Local<v8::String> subtype = subtypeForInternalType(isolate, type);
for (uint32_t i = 0; i < array->Length(); ++i) {
v8::Local<v8::Value> entry;
if (!array->Get(context, i).ToLocal(&entry) || !entry->IsObject())
return false;
if (!entry.As<v8::Object>()
->SetPrivate(context, privateValue, subtype)
.FromMaybe(false))
return false;
}
return true;
}
v8::Local<v8::Value> v8InternalValueTypeFrom(v8::Local<v8::Context> context,
v8::Local<v8::Object> object) {
v8::Isolate* isolate = context->GetIsolate();
v8::Local<v8::Private> privateValue = internalSubtypePrivate(isolate);
if (!object->HasPrivate(context, privateValue).FromMaybe(false))
return v8::Null(isolate);
v8::Local<v8::Value> subtypeValue;
if (!object->GetPrivate(context, privateValue).ToLocal(&subtypeValue) ||
!subtypeValue->IsString())
return v8::Null(isolate);
return subtypeValue;
}
} // namespace v8_inspector
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