Parameter.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_PARAMETER_H
#define LIEF_DWARF_PARAMETER_H
 
#include "LIEF/visibility.h"
 
#include <memory>
#include <string>
 
namespace LIEF {
namespace dwarf {
 
class Type;
 
namespace details {
class Parameter;
}

class LIEF_API Parameter {
  public:
  enum class KIND {
    UNKNOWN = 0,
    TEMPLATE_TYPE,  
    TEMPLATE_VALUE, 
    FORMAL,         
  };
  Parameter() = delete;
  Parameter(Parameter&& other);
  Parameter& operator=(Parameter&& other);
  Parameter& operator=(const Parameter&) = delete;
  Parameter(const Parameter&) = delete;
 
  KIND kind() const;

  std::string name() const;

  std::unique_ptr<Type> type() const;
 
  template<class T>
  const T* as() const {
    if (T::classof(this)) {
      return static_cast<const T*>(this);
    }
    return nullptr;
  }
 
  virtual ~Parameter();
 
  LIEF_LOCAL static
    std::unique_ptr<Parameter> create(std::unique_ptr<details::Parameter> impl);
 
  protected:
  Parameter(std::unique_ptr<details::Parameter> impl);
  std::unique_ptr<details::Parameter> impl_;
};
 
namespace parameters {

class LIEF_API Formal : public Parameter {
  public:
  using Parameter::Parameter;
  static bool classof(const Parameter* P) {
    return P->kind() == Parameter::KIND::FORMAL;
  }
 
  ~Formal() override = default;
};
 

class LIEF_API TemplateValue : public Parameter {
  public:
  using Parameter::Parameter;
  static bool classof(const Parameter* P) {
    return P->kind() == Parameter::KIND::TEMPLATE_VALUE;
  }
 
  ~TemplateValue() override = default;
};

class LIEF_API TemplateType : public Parameter {
public:
  using Parameter::Parameter;
  static bool classof(const Parameter* P) {
    return P->kind() == Parameter::KIND::TEMPLATE_TYPE;
  }
 
  ~TemplateType() override = default;
};
 
}
 
}
}
#endif