// Filename: cppFunctionType.h
// Created by:  drose (21Oct99)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc.  All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license.  You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////

#ifndef CPPFUNCTIONTYPE_H
#define CPPFUNCTIONTYPE_H

#include "dtoolbase.h"

#include "cppType.h"

class CPPParameterList;
class CPPIdentifier;

///////////////////////////////////////////////////////////////////
//       Class : CPPFunctionType
// Description :
////////////////////////////////////////////////////////////////////
class CPPFunctionType : public CPPType {
public:
  enum Flags {
    F_const_method      = 0x01,
    F_operator_typecast = 0x02,
    F_constructor       = 0x04,
    F_destructor        = 0x08,
    F_method_pointer    = 0x10,
    F_unary_op          = 0x20,
  };

  CPPFunctionType(CPPType *return_type, CPPParameterList *parameters,
                  int flags);
  CPPFunctionType(const CPPFunctionType &copy);
  void operator = (const CPPFunctionType &copy);

  CPPType *_return_type;
  CPPParameterList *_parameters;
  int _flags;

  virtual bool is_fully_specified() const;
  virtual CPPDeclaration *substitute_decl(SubstDecl &subst,
                                          CPPScope *current_scope,
                                          CPPScope *global_scope);

  virtual CPPType *resolve_type(CPPScope *current_scope,
                                CPPScope *global_scope);

  virtual bool is_tbd() const;

  virtual void output(ostream &out, int indent_level, CPPScope *scope,
                      bool complete) const;
  void output(ostream &out, int indent_level, CPPScope *scope,
              bool complete, int num_default_parameters) const;
  virtual void output_instance(ostream &out, int indent_level,
                               CPPScope *scope,
                               bool complete, const string &prename,
                               const string &name) const;
  void output_instance(ostream &out, int indent_level,
                       CPPScope *scope,
                       bool complete, const string &prename,
                       const string &name,
                       int num_default_parameters) const;
  int get_num_default_parameters() const;

  virtual SubType get_subtype() const;

  virtual CPPFunctionType *as_function_type();

  bool is_equivalent_function(const CPPFunctionType &other) const;

  CPPIdentifier *_class_owner;

protected:
  virtual bool is_equal(const CPPDeclaration *other) const;
  virtual bool is_less(const CPPDeclaration *other) const;
};

#endif