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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_TRACE_WRAPPER_V8_STRING_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_TRACE_WRAPPER_V8_STRING_H_
#include "third_party/blink/renderer/platform/bindings/name_client.h"
#include "third_party/blink/renderer/platform/bindings/trace_wrapper_v8_reference.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
#include "v8/include/v8.h"
namespace blink {
// Small shim around TraceWrapperReference<v8::String> with a few
// utility methods. Internally, v8::String is represented as string
// rope.
class GC_PLUGIN_IGNORE("crbug.com/841830")
PLATFORM_EXPORT TraceWrapperV8String final : public NameClient {
DISALLOW_COPY_AND_ASSIGN(TraceWrapperV8String);
DISALLOW_NEW();
public:
TraceWrapperV8String() = default;
bool IsEmpty() const { return string_.IsEmpty(); }
void Clear() { string_.Clear(); }
v8::Local<v8::String> V8Value(v8::Isolate* isolate) {
return string_.NewLocal(isolate);
}
void Concat(v8::Isolate*, const String&);
String Flatten(v8::Isolate*) const;
virtual void Trace(Visitor* visitor) { visitor->Trace(string_); }
const char* NameInHeapSnapshot() const override {
return "TraceWrapperV8String";
}
private:
TraceWrapperV8Reference<v8::String> string_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_TRACE_WRAPPER_V8_STRING_H_
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