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/******************************************************************************
 *
 * Copyright (C) 1997-2015 by Dimitri van Heesch.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation under the terms of the GNU General Public License is hereby 
 * granted. No representations are made about the suitability of this software 
 * for any purpose. It is provided "as is" without express or implied warranty.
 * See the GNU General Public License for more details.
 *
 * Documents produced by Doxygen are derivative works derived from the
 * input used in their production; they are not affected by this license.
 *
 */

#ifndef ARGUMENTS_H
#define ARGUMENTS_H

#include <vector>
#include <qcstring.h>

class StorageIntf;

/*! \brief This class contains the information about the argument of a
 *         function or template
 *
 */
struct Argument
{
  /*! return TRUE if this argument is documentation and the argument has a
   *  non empty name.
   */
  bool hasDocumentation() const
  {
    return !name.isEmpty() && !docs.isEmpty();
  }

  QCString attrib;   /*!< Argument's attribute (IDL only) */
  QCString type;     /*!< Argument's type */
  QCString canType;  /*!< Cached value of canonical type (after type resolution). Empty initially. */
  QCString name;     /*!< Argument's name (may be empty) */
  QCString array;    /*!< Argument's array specifier (may be empty) */
  QCString defval;   /*!< Argument's default value (may be empty) */
  QCString docs;     /*!< Argument's documentation (may be empty) */
  QCString typeConstraint;  /*!< Used for Java generics: \<T extends C\> */
};

enum RefQualifierType
{
  RefQualifierNone,
  RefQualifierLValue,
  RefQualifierRValue
};

/*! \brief This class represents an function or template argument list. 
 *
 *  This class also stores some information about member that is typically
 *  put after the argument list, such as whether the member is const, 
 *  volatile or pure virtual.
 */
class ArgumentList : public std::vector<Argument>
{
  public:
    /*! Does any argument of this list have documentation? */
    bool hasDocumentation() const;
    /*! Does this list have zero or more parameters */
    bool hasParameters() const
    {
      return !empty() || noParameters;
    }
    void reset()
    {
      clear();
      constSpecifier = FALSE;
      volatileSpecifier = FALSE;
      pureSpecifier = FALSE;
      trailingReturnType.resize(0);
      isDeleted = FALSE;
      refQualifier = RefQualifierNone;
      noParameters = FALSE;
    }

    /*! Does the member modify the state of the class? */
    bool constSpecifier = FALSE;
    /*! Is the member volatile? */
    bool volatileSpecifier = FALSE;
    /*! Is this a pure virtual member? */
    bool pureSpecifier = FALSE;
    /*! C++11 style Trailing return type? */
    QCString trailingReturnType;
    /*! method with =delete */
    bool isDeleted = FALSE;
    /*! C++11 ref qualifier */
    RefQualifierType refQualifier = RefQualifierNone;
    /*! is it an explicit empty list */
    bool noParameters = FALSE;
};

#endif