// Copyright 2025 The Chromium Authors
// 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_CROSS_THREAD_SOURCE_LOCATION_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_CROSS_THREAD_SOURCE_LOCATION_H_

#include "third_party/blink/renderer/platform/bindings/source_location.h"

namespace blink {

// Unlike the garbage-collected `SourceLocation`, a `CrossThreadSourceLocation`
// is safe to move across threads.
class PLATFORM_EXPORT CrossThreadSourceLocation {
 public:
  CrossThreadSourceLocation() = default;

  explicit CrossThreadSourceLocation(const SourceLocation& location)
      : url_(location.Url()),
        function_(location.Function()),
        line_number_(location.LineNumber()),
        column_number_(location.ColumnNumber()),
        // `v8_inspector::V8Stacktrace` contains thread-hostile fields, but
        // calling `clone()` drops those fields.
        stack_trace_(location.StackTrace() ? location.StackTrace()->clone()
                                           : nullptr),
        script_id_(location.ScriptId()) {}

  // TODO(crbug.com/462588571): Delete this if all the places that do
  // conversions never actually pass a null SourceLocation.
  static CrossThreadSourceLocation From(const SourceLocation* location);
  SourceLocation* ToSourceLocation() const {
    return MakeGarbageCollected<SourceLocation>(
        url_, function_, line_number_, column_number_,
        stack_trace_ ? stack_trace_->clone() : nullptr, script_id_);
  }

 private:
  String url_;
  String function_;
  unsigned line_number_ = 0;
  unsigned column_number_ = 0;
  std::unique_ptr<v8_inspector::V8StackTrace> stack_trace_;
  int script_id_ = 0;
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_CROSS_THREAD_SOURCE_LOCATION_H_