/* Copyright 2022 - 2026 R. Thomas
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef LIEF_DWARF_EDITOR_ENUM_TYPE_H
#define LIEF_DWARF_EDITOR_ENUM_TYPE_H
#include <cstdint>
#include <string>

#include "LIEF/DWARF/editor/Type.hpp"
#include "LIEF/compiler_attributes.hpp"
#include "LIEF/visibility.h"


namespace LIEF::dwarf::editor {

namespace details {
class EnumValue;
}

/// This class represents an editable enum type (`DW_TAG_enumeration_type`)
class LIEF_API EnumType : public Type {
  public:
  template<typename... Args,
           typename = std::enable_if_t<std::is_constructible_v<Type, Args&&...>>>
  EnumType(Args&&... args) :
    Type(std::forward<Args>(args)...) {}

  /// This class represents an enum value
  class LIEF_API Value {
    public:
    Value() = delete;
    Value(std::unique_ptr<details::EnumValue> impl);

    ~Value();

    private:
    std::unique_ptr<details::EnumValue> impl_;
  };

  /// Define the number of bytes required to hold an instance of the
  /// enumeration (`DW_AT_byte_size`).
  EnumType& set_size(uint64_t size) LIEF_LIFETIMEBOUND;

  /// Set the underlying type that is used to encode this enum
  EnumType& set_underlying_type(const Type& type) LIEF_LIFETIMEBOUND;

  /// Add an enum value by specifying its name and its integer value
  std::unique_ptr<Value> add_value(const std::string& name,
                                   int64_t value) LIEF_LIFETIMEBOUND;

  static bool classof(const Type* type);

  ~EnumType() override = default;
};

}


#endif
