/* -*- c++ -*- */
//
// sequence_base.h,v 1.8 2005/06/21 20:31:31 gmaxey Exp
//

// ============================================================================
//
// = LIBRARY
//    TAO IDL
//
// = FILENAME
//    sequence_base.h
//
// = DESCRIPTION
//    Concrete visitor for the Sequence class
//    This one provides code generation for the base typ of the Sequence node.
//
// = AUTHOR
//    Aniruddha Gokhale
//
// ============================================================================

#ifndef _BE_VISITOR_SEQUENCE_SEQUENCE_BASE_H_
#define _BE_VISITOR_SEQUENCE_SEQUENCE_BASE_H_

class be_visitor_sequence_base : public be_visitor_decl
{
  //
  // = TITLE
  //    be_visitor_sequence_base
  //
  // = DESCRIPTION
  //   This is a concrete visitor to generate the template parameters
  //   for a TAO_*_Sequence instantiation.
  //
  // = BUGS
  //   The class name is misleading, eventually this class could be
  //   used to generate code in other files, not only the client
  //   header.
  //   The visitor factory should provide a factory method that builds
  //   this class on the fly.
  //
public:
  be_visitor_sequence_base (be_visitor_context *ctx);
  // Constructor

  ~be_visitor_sequence_base (void);
  // destructor

  // = Visitor methods.
  virtual int visit_predefined_type (be_predefined_type *node);
  virtual int visit_interface (be_interface *node);
  virtual int visit_interface_fwd (be_interface_fwd *node);
  virtual int visit_valuebox (be_valuebox *node);
  virtual int visit_valuetype (be_valuetype *node);
  virtual int visit_valuetype_fwd (be_valuetype_fwd *node);
  virtual int visit_structure (be_structure *node);
  virtual int visit_structure_fwd (be_structure_fwd *node);
  virtual int visit_enum (be_enum *node);
  virtual int visit_exception (be_exception *node);
  virtual int visit_union (be_union *node);
  virtual int visit_union_fwd (be_union_fwd *node);
  virtual int visit_array (be_array *node);
  virtual int visit_string (be_string *node);
  virtual int visit_sequence (be_sequence *node);
  virtual int visit_typedef (be_typedef *node);

protected:
  int visit_node (be_type *);
  // helper that does the common job

};

class be_visitor_sequence_base_template_args: public be_visitor_sequence_base
{
  //
  // =TITLE
  // be_visitor_sequnce_base_template_args
  //
  // =Description
  // This is a derived class just used to override the method
  // visit_interface that generates the arguments for the
  // templates. This is necessary as the same visitor was being used
  // by the idl compiler to generate the template arguments and the
  // return arguments for some of the methods.
public:
  be_visitor_sequence_base_template_args (be_visitor_context *ctx,
                                          be_sequence *node );

  ~be_visitor_sequence_base_template_args (void);
  //Dtor

  //= Visit methods
  virtual int visit_interface (be_interface *node);

  virtual int visit_interface_fwd (be_interface_fwd *node);

  virtual int visit_valuetype (be_valuetype *node);

  virtual int visit_valuetype_fwd (be_valuetype_fwd *node);

  virtual int visit_predefined_type (be_predefined_type *node);
private:
  be_sequence *beseq_;
};
#endif /* _BE_VISITOR_SEQUENCE_SEQUENCE_BASE_H_ */
