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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// tie_sh.cpp
//
// = DESCRIPTION
// Visitor generating code for TIE class for an Interface in the header
// file.
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_interface.h"
// ************************************************************
// Interface visitor for server header
// ************************************************************
be_visitor_interface_tie_sh::be_visitor_interface_tie_sh (be_visitor_context *ctx)
: be_visitor_interface (ctx)
{
}
be_visitor_interface_tie_sh::~be_visitor_interface_tie_sh (void)
{
}
int
be_visitor_interface_tie_sh::visit_interface (be_interface *node)
{
TAO_OutStream *os; // output stream
static char namebuf [NAMEBUFSIZE]; // holds the class name
static char tiename [NAMEBUFSIZE]; // holds the tie name
if (node->srv_hdr_gen () || node->imported ())
return 0;
ACE_OS::memset (namebuf, '\0', NAMEBUFSIZE);
ACE_OS::memset (tiename, '\0', NAMEBUFSIZE);
os = this->ctx_->stream ();
// generate the skeleton class name which will be used to determine the TIE
// class name
// we shall have a POA_ prefix only if we are at the topmost level
if (!node->is_nested ())
{
// we are outermost
ACE_OS::sprintf (namebuf, "POA_%s", node->local_name ()->get_string ());
ACE_OS::sprintf (tiename, "POA_%s_tie",
node->local_name ()->get_string ());
}
else
{
ACE_OS::sprintf (namebuf, "%s", node->local_name ()->get_string ());
ACE_OS::sprintf (tiename, "%s_tie",
node->local_name ()->get_string ());
}
// now generate the class definition
os->indent (); // start with whatever indentation level we are at
// Since templates nested inside of classes are broken on most C++ compilers,
// we generate code for this inside a conditional macro. The code is
// activated only if "namespaces" are supported on the platform
if (node->is_nested ())
{
*os << "\n#if defined (ACE_HAS_USING_KEYWORD)" << be_nl;
}
*os << "// TIE class: Refer to CORBA v2.2, Section 20.34.4" << be_nl;
*os << "template <class T>" << be_nl;
*os << "class " << idl_global->export_macro ()
<< " " << tiename << " : public " << namebuf << be_nl;
*os << "{" << be_nl
<< "public:" << be_idt_nl
<< tiename << " (T &t);" << be_nl
<< "// the T& ctor" << be_nl
<< tiename << " (T &t, PortableServer::POA_ptr poa);" << be_nl
<< "// ctor taking a POA" << be_nl
<< tiename << " (T *tp, CORBA::Boolean release=1);" << be_nl
<< "// ctor taking pointer and an ownership flag" << be_nl
<< tiename << " (T *tp, PortableServer::POA_ptr poa, "
<< "CORBA::Boolean release=1);" << be_nl
<< "// ctor with T*, ownership flag and a POA" << be_nl
<< "~" << tiename << " (void);" << be_nl
<< "// dtor" << be_nl << be_nl
<< "// TIE specific functions" << be_nl
<< "T *_tied_object (void);" << be_nl
<< "// return the underlying object" << be_nl
<< "void _tied_object (T &obj);" << be_nl
<< "// set the underlying object" << be_nl
<< "void _tied_object (T *obj, CORBA::Boolean release=1);" << be_nl
<< "// set the underlying object and the ownership flag" << be_nl
<< "CORBA::Boolean _is_owner (void);" << be_nl
<< "// do we own it" << be_nl
<< "void _is_owner (CORBA::Boolean b);" << be_nl
<< "// set the ownership" << be_nl << be_nl
<< "// overridden ServantBase operations" << be_nl
<< "PortableServer::POA_ptr _default_POA (CORBA::Environment &env);\n";
// generate code for the operations in the scope
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_interface_tie_sh::"
"visit_interface - "
"codegen for scope failed\n"),
-1);
}
*os << be_uidt << "private:" << be_idt_nl
<< "T *ptr_;" << be_nl
<< "PortableServer::POA_var poa_;" << be_nl
<< "CORBA::Boolean rel_;" << be_nl << be_nl
<< "// copy and assignment are not allowed" << be_nl
<< tiename << " (const " << tiename << " &);" << be_nl
<< "void operator= (const " << tiename << " &);" << be_uidt_nl
<< "};\n\n";
if (node->is_nested ())
{
*os << "#endif /* ACE_HAS_USING_KEYWORD */\n";
}
return 0;
}
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