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//
// $Id$
//

// ============================================================================
//
// = LIBRARY
//    TAO IDL
//
// = FILENAME
//    operation_cs.h
//
// = DESCRIPTION
//    Visitor for generating code for IDL operations in client stubs
//
// = AUTHOR
//    Aniruddha Gokhale
//
// ============================================================================

#ifndef _BE_VISITOR_OPERATION_OPERATION_CS_H_
#define _BE_VISITOR_OPERATION_OPERATION_CS_H_

// ************************************************************
// Operation visitor for client stubs
// ************************************************************

class be_visitor_operation_cs : public be_visitor_operation
{
  //
  // = TITLE
  //   be_visitor_operation_cs
  //
  // = DESCRIPTION
  //   This is a concrete visitor to generate the client stubs for operation
  //
  //
public:
  be_visitor_operation_cs (be_visitor_context *ctx);
  // constructor

  ~be_visitor_operation_cs (void);
  // destructor

  virtual int visit_operation (be_operation *node);
  // visit operation.

  virtual int visit_argument (be_argument *node);
  // visit argument to generate ParamData entries

  // = template methods
  virtual int gen_pre_stub_info (be_operation *node);
  // generate any info before the actual code for the stub is generated

  virtual int gen_marshal_and_invoke (be_operation *node, 
                                      be_type *bt);
  // generate code that marshals the arguments and transmits them

  // =helper
  virtual int post_process (be_decl *);
  // stuff to output after every member of the scope is handled

  virtual int gen_raise_exception (be_type *,
                                   const char *excep,
                                   const char *status);
  // helper that generates code for raising an exception

  virtual int gen_check_exception (be_type *);
  // helper that generates code for checking for an exception

  virtual int gen_raise_interceptor_exception (be_type *,
                                               const char *excep,
                                               const char *status);
  // helper that generates code for raising an exception within
  // interceptor's try block

  virtual int gen_check_interceptor_exception (be_type *);
  // helper that generates code for checking for an exception within
  // interceptor's try block

  virtual const char *compute_operation_name (be_operation *node);
  // compute the operation name.  Notice that this operation
  // _does_ include the double quote.

private:
  char *operation_name_;
};

#endif /* _BE_VISITOR_OPERATION_OPERATION_CS_H_ */