DWARF/types/ClassLike.hpp

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/* Copyright 2022 - 2025 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_STRUCTURE_H
#define LIEF_DWARF_TYPE_STRUCTURE_H
 
#include "LIEF/visibility.h"
#include "LIEF/DWARF/Type.hpp"
#include "LIEF/DWARF/Function.hpp"
 
namespace LIEF {
namespace dwarf {
namespace types {
 
namespace details {
class Member;
}

class LIEF_API ClassLike : public Type {
  public:
  using Type::Type;

  class LIEF_API Member {
    public:
    Member(std::unique_ptr<details::Member> impl);
    Member(Member&& other) noexcept;
    Member& operator=(Member&& other) noexcept;

    std::string name() const;

    result<uint64_t> offset() const;

    result<uint64_t> bit_offset() const;

    std::unique_ptr<Type> type() const;
 
 
 
    bool is_external() const;
 
    bool is_declaration() const;
 
    ~Member();
    private:
    std::unique_ptr<details::Member> impl_;
  };
 
  using functions_it = iterator_range<Function::Iterator>;
 
  static bool classof(const Type* type) {
    const auto kind = type->kind();
    return kind == Type::KIND::CLASS || kind == Type::KIND::STRUCT || kind == Type::KIND::UNION;
  }

  std::vector<Member> members() const;

  std::unique_ptr<Member> find_member(uint64_t offset) const;

  functions_it functions() const;
 
  ~ClassLike() override;
};

class LIEF_API Structure : public ClassLike {
  public:
  using ClassLike::ClassLike;
 
  static bool classof(const Type* type) {
    return type->kind() == Type::KIND::STRUCT;
  }
 
  ~Structure() override;
};

class LIEF_API Class : public ClassLike {
  public:
  using ClassLike::ClassLike;
 
  static bool classof(const Type* type) {
    return type->kind() == Type::KIND::CLASS;
  }
 
  ~Class() override;
};

class LIEF_API Union : public ClassLike {
  public:
  using ClassLike::ClassLike;
 
  static bool classof(const Type* type) {
    return type->kind() == Type::KIND::UNION;
  }
 
  ~Union() override;
};

class LIEF_API Packed : public ClassLike {
  public:
  using ClassLike::ClassLike;
 
  static bool classof(const Type* type) {
    return type->kind() == Type::KIND::PACKED;
  }
 
  ~Packed() override;
};
 
}
}
}
#endif