electron/shell/common/gin_helper/error_thrower.h

// Copyright (c) 2019 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.

#ifndef SHELL_COMMON_GIN_HELPER_ERROR_THROWER_H_
#define SHELL_COMMON_GIN_HELPER_ERROR_THROWER_H_

#include "base/strings/string_piece.h"
#include "v8/include/v8.h"

namespace gin_helper {

class ErrorThrower {
 public:
  explicit ErrorThrower(v8::Isolate* isolate);
  ErrorThrower();

  ~ErrorThrower();

  void ThrowError(base::StringPiece err_msg) const;
  void ThrowTypeError(base::StringPiece err_msg) const;
  void ThrowRangeError(base::StringPiece err_msg) const;
  void ThrowReferenceError(base::StringPiece err_msg) const;
  void ThrowSyntaxError(base::StringPiece err_msg) const;

  v8::Isolate* isolate() const { return isolate_; }

 private:
  using ErrorGenerator =
      v8::Local<v8::Value> (*)(v8::Local<v8::String> err_msg);
  void Throw(ErrorGenerator gen, base::StringPiece err_msg) const;

  v8::Isolate* isolate_;
};

}  // namespace gin_helper

#endif  // SHELL_COMMON_GIN_HELPER_ERROR_THROWER_H_