DWARF/types/Enum.hpp

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/* 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_TYPE_ENUM_H
#define LIEF_DWARF_TYPE_ENUM_H
 
#include "LIEF/visibility.h"
#include "LIEF/optional.hpp"
#include "LIEF/DWARF/Type.hpp"
 
namespace LIEF {
namespace dwarf {
namespace types {
 
namespace details {
class EnumEntry;
}

class LIEF_API Enum : public Type {
  public:
  template<typename... Args,
           typename = typename std::
               enable_if<std::is_constructible<Type, Args&&...>::value>::type>
  Enum(Args&&... args) :
    Type(std::forward<Args>(args)...) {}
 
  Enum(const Enum&) = delete;
  Enum& operator=(const Enum&) = delete;
 
  Enum(Enum&&) noexcept = default;
  Enum& operator=(Enum&&) noexcept = default;

  class LIEF_API Entry {
    public:
    Entry(std::unique_ptr<details::EnumEntry> impl);
    Entry(Entry&& other) noexcept;
    Entry& operator=(Entry&& other) noexcept;
 
    Entry(const Entry&) = delete;
    Entry& operator=(const Entry&) = delete;

    std::string name() const;

    optional<int64_t> value() const;
 
    ~Entry();
 
    private:
    std::unique_ptr<details::EnumEntry> impl_;
  };

  std::vector<Entry> entries() const;

  const Type* underlying_type() const LIEF_LIFETIMEBOUND;

  optional<Entry> find_entry(int64_t value) const;
 
  static bool classof(const Type* type) {
    return type->kind() == Type::KIND::ENUM;
  }
 
  ~Enum() override;
 
  protected:
  mutable std::unique_ptr<Type> underlying_;
};
 
}
}
}
#endif