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//=============================================================================
/**
* @file tie_sh.cpp
*
* Visitor generating code for TIE class for an Interface in the header
* file.
*
* @author Aniruddha Gokhale
*/
//=============================================================================
#include "interface.h"
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)
{
if (node->imported () || node->is_abstract ())
{
return 0;
}
static char namebuf [NAMEBUFSIZE];
static char tiename [NAMEBUFSIZE];
ACE_OS::memset (namebuf,
'\0',
NAMEBUFSIZE);
ACE_OS::memset (tiename,
'\0',
NAMEBUFSIZE);
TAO_OutStream *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 ())
{
ACE_OS::sprintf (namebuf,
"%s",
node->local_name ());
ACE_OS::sprintf (tiename,
"%s_tie",
node->local_name ());
}
else
{
// We are outermost.
ACE_OS::sprintf (namebuf,
"POA_%s",
node->local_name ());
ACE_OS::sprintf (tiename,
"POA_%s_tie",
node->local_name ());
}
// Now generate the class definition.
*os << be_nl_2 << "// TAO_IDL - Generated from" << be_nl
<< "// " << __FILE__ << ":" << __LINE__ << be_nl_2;
*os << "// TIE class: Refer to CORBA v2.2, Section 20.34.4" << be_nl;
*os << "template <class T>" << be_nl;
*os << "class " << " " << tiename << " : public " << namebuf << be_nl;
*os << "{" << be_nl
<< "public:" << be_idt_nl
<< "/// the T& ctor" << be_nl
<< tiename << " (T &t);" << be_nl
<< "/// ctor taking a POA" << be_nl
<< tiename << " (T &t, PortableServer::POA_ptr poa);" << be_nl
<< "/// ctor taking pointer and an ownership flag" << be_nl
<< tiename << " (T *tp, ::CORBA::Boolean release = true);" << be_nl
<< "/// ctor with T*, ownership flag and a POA" << be_nl
<< tiename << " (" << be_idt << be_idt_nl
<< "T *tp," << be_nl
<< "PortableServer::POA_ptr poa," << be_nl
<< "::CORBA::Boolean release = true" << be_uidt_nl
<< ");" << be_uidt_nl
<< "/// dtor" << be_nl_2
<< "~" << tiename << " (void);" << be_nl
<< "// TIE specific functions" << be_nl
<< "/// return the underlying object" << be_nl
<< "T *_tied_object (void);" << be_nl
<< "/// set the underlying object" << be_nl
<< "void _tied_object (T &obj);" << be_nl
<< "/// set the underlying object and the ownership flag" << be_nl
<< "void _tied_object (T *obj, ::CORBA::Boolean release = true);" << be_nl
<< "/// do we own it" << be_nl
<< "::CORBA::Boolean _is_owner (void);" << be_nl
<< "/// set the ownership" << be_nl_2
<< "void _is_owner ( ::CORBA::Boolean b);" << be_nl
<< "// overridden ServantBase operations" << be_nl
<< "PortableServer::POA_ptr _default_POA (void);";
int status =
node->traverse_inheritance_graph (
be_visitor_interface_tie_sh::method_helper,
os
);
if (status == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_interface_tie_sh_ss::"
"visit_interface - "
"traversal of inhertance graph failed\n"),
-1);
}
*os << be_uidt_nl << be_nl
<< "private:" << be_idt_nl
<< "T *ptr_;" << be_nl
<< "PortableServer::POA_var poa_;" << be_nl
<< "::CORBA::Boolean rel_;" << be_nl_2
<< "// copy and assignment are not allowed" << be_nl
<< tiename << " (const " << tiename << " &);" << be_nl
<< "void operator= (const " << tiename << " &);" << be_uidt_nl
<< "};";
return 0;
}
int
be_visitor_interface_tie_sh::visit_component (be_component *node)
{
return this->visit_interface (node);
}
int
be_visitor_interface_tie_sh::method_helper (be_interface *,
be_interface *node,
TAO_OutStream *os)
{
// Any methods from abstract parents have already been
// "added" to the derived interface scope by the overridden
// visit_scope() method in be_visitor_interface, so we can skip
// this base interface, if it is abstract.
if (node->is_abstract ())
{
return 0;
}
be_visitor_context ctx;
ctx.stream (os);
ctx.state (TAO_CodeGen::TAO_ROOT_TIE_SH);
be_visitor_interface_tie_sh visitor (&ctx);
if (visitor.visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_interface_tie_sh::"
"method_helper\n"),
-1);
}
return 0;
}
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