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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// ami_handler_cs.cpp
//
// = DESCRIPTION
// Visitor generating code for AMI Handler class for an Interface.
//
// = AUTHOR
// Alexander Babu Arulanthu <alex@cs.wustl.edu>
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_interface.h"
ACE_RCSID(be_visitor_interface, ami_handler_cs, "$Id$")
// ************************************************************
// Interface visitor for client stubs
// ************************************************************
be_visitor_ ami_handler_cs::be_visitor_ ami_handler_cs (be_visitor_context *ctx)
: be_visitor_interface (ctx)
{
}
be_visitor_ ami_handler_cs::~be_visitor_ ami_handler_cs (void)
{
}
int
be_visitor_ ami_handler_cs::visit_interface (be_interface *node)
{
// output stream.
TAO_OutStream *os;
if (node->cli_stub_gen () || node->imported ())
return 0;
os = this->ctx_->stream ();
// Start with whatever indentation level we are at.
os->indent ();
// Create the full name for the AMI_<Interface name>_Handler
// interface.
char *full_name = 0;
// Full name.
// If there exists a scope name for this, then generate
// "Scope::AMI_<Local Name>_Handler".
size_t scope_len = 0;
be_decl *parent = be_scope::narrow_from_scope (node->defined_in ())->decl ();
if (parent != 0 &&
parent->fullname () != 0 &&
ACE_OS::strlen (parent->fullname ()))
scope_len = ACE_OS::strlen (parent->fullname ()) + ACE_OS::strlen ("::");
ACE_NEW_RETURN (full_name,
char [scope_len +
ACE_OS::strlen ("AMI_") +
ACE_OS::strlen (node->local_name ()->get_string ()) +
ACE_OS::strlen ("_Handler") +
1],
-1);
if (parent != 0 &&
parent->fullname () != 0 &&
ACE_OS::strlen (parent->fullname ()))
ACE_OS::sprintf (full_name,
"%s::AMI_%s_Handler",
parent->fullname (),
node->local_name ()->get_string ());
else
ACE_OS::sprintf (full_name,
"AMI_%s_Handler",
node->local_name ()->get_string ());
// First generate the code for the static methods.
// The _narrow method
*os << full_name << "_ptr " << full_name
<< "::_narrow (" << be_idt << be_idt_nl
<< "CORBA::Object_ptr obj," << be_nl
<< "CORBA::Environment &env" << be_uidt_nl
<< ")" << be_uidt_nl
<< "{" << be_idt_nl
<< "if (CORBA::is_nil (obj))" << be_idt_nl
<< "return " << full_name << "::_nil ();" << be_uidt_nl
<< "if (!obj->_is_a (\"" << node->repoID () << "\", env))"
<< be_idt_nl
<< "return " << full_name << "::_nil ();" << be_uidt_nl;
*os << "return " << full_name
<< "::_unchecked_narrow (obj, env);" << be_uidt_nl
<< "}" << be_nl << be_nl;
// This may be necessary to work around a GCC compiler bug!
// const char *skel_name = node->full_skel_name (); // unused at this time
const char *coll_name = node->full_coll_name ();
assert (coll_name != 0);
// The _unchecked_narrow method
*os << full_name << "_ptr " << full_name
<< "::_unchecked_narrow (" << be_idt << be_idt_nl
<< "CORBA::Object_ptr obj," << be_nl
<< "CORBA::Environment &ACE_TRY_ENV" << be_uidt_nl
<< ")" << be_uidt_nl
<< "{" << be_idt_nl
<< "ACE_UNUSED_ARG (ACE_TRY_ENV);" << be_nl
<< "if (CORBA::is_nil (obj))" << be_idt_nl
<< "return " << full_name << "::_nil ();" << be_uidt_nl;
*os << "TAO_Stub* stub = obj->_stubobj ();" << be_nl
<< "stub->_incr_refcnt ();" << be_nl;
*os << "void* servant = 0;" << be_nl;
*os << "if (obj->_is_collocated () "
<< "&& obj->_servant() != 0)" << be_idt_nl
<< "servant = obj->_servant()->_downcast (\""
<< "IDL:omg.org/CORBA/Object:1.0\");" << be_uidt_nl;
*os << "if (servant != 0)" << be_idt_nl << "{" << be_idt_nl
// The collocated object reference factory is not working right (yet)
<< full_name << "_ptr retv = ACE_reinterpret_cast (" << be_idt << be_idt_nl
<< full_name << "_ptr," << be_nl
<< "ACE_reinterpret_cast (" << be_idt << be_idt_nl
<< "PortableServer::Servant," << be_nl
<< "servant" << be_uidt_nl
<< ")" << be_uidt_nl
<< "->_create_collocated_objref (" << be_idt << be_idt_nl
<< "\"" << node->repoID () << "\"," << be_nl
<< "TAO_ORB_Core::ORB_CONTROL," << be_nl
<< "stub" << be_uidt_nl
<< ")" << be_uidt << be_uidt_nl
<< ");" << be_uidt_nl
<< "if (retv != 0)" << be_idt_nl
<< "return retv;" << be_uidt
// So we are still using the old way to create collocated objref.
<< be_uidt_nl
<< "}" << be_uidt_nl;
*os << "return new " << full_name << "(stub);" << be_uidt_nl
<< "}" << be_nl << be_nl;
// The _duplicate method
*os << full_name << "_ptr " << be_nl
<< full_name << "::_duplicate ("
<< full_name << "_ptr obj)" << be_nl
<< "{" << be_idt_nl
<< "if (!CORBA::is_nil (obj))" << be_idt_nl
<< "obj->_incr_refcnt ();" << be_uidt_nl
<< "return obj;" << be_uidt_nl
<< "}" << be_nl << be_nl;
// generate code for the elements of the interface
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_ ami_handler_cs::"
"visit_interface - "
"codegen for scope failed\n"), -1);
}
// generate the is_a method
os->indent ();
*os << "CORBA::Boolean " << full_name << "::_is_a (" <<
"const CORBA::Char *value, CORBA::Environment &env)" << be_nl;
*os << "{\n";
os->incr_indent ();
*os << "if (\n";
os->incr_indent (0);
if (node->traverse_inheritance_graph (be_interface::is_a_helper, os) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_ ami_handler_cs::"
"visit_interface - "
"_is_a method codegen failed\n"), -1);
}
os->indent ();
*os << "(!ACE_OS::strcmp ((char *)value, CORBA::_tc_Object->id (env))))\n";
*os << " return 1; // success using local knowledge\n";
os->decr_indent ();
*os << "else" << be_nl;
*os << " return this->CORBA_Object::_is_a (value, env);\n";
os->decr_indent ();
*os << "}\n\n";
os->indent ();
*os << "const char* " << full_name
<< "::_interface_repository_id (void) const"
<< be_nl
<< "{" << be_idt_nl
<< "return \"" << node->repoID () << "\";" << be_uidt_nl
<< "}\n\n";
// by using a visitor to declare and define the TypeCode, we have the
// added advantage to conditionally not generate any code. This will be
// based on the command line options. This is still TO-DO
be_visitor *visitor;
be_visitor_context ctx (*this->ctx_);
ctx.state (TAO_CodeGen::TAO_TYPECODE_DEFN);
ctx.sub_state (TAO_CodeGen::TAO_TC_DEFN_TYPECODE);
visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (node->accept (visitor) == -1))
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_ ami_handler_cs::"
"visit_interface - "
"TypeCode definition failed\n"
), -1);
}
// @@ Alex: Make sure you have done the following in the other ami
// visitors. (Alex).
delete full_name;
full_name = 0;
return 0;
}
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