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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// interface_ss.cpp
//
// = DESCRIPTION
// Visitor generating code for Interfaces in the server skeletons file.
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_interface.h"
ACE_RCSID(be_visitor_interface, interface_ss, "$Id$")
// ************************************************************
// Interface visitor for server skeletons
// ************************************************************
be_visitor_interface_ss::be_visitor_interface_ss (be_visitor_context *ctx)
: be_visitor_interface (ctx)
{
}
be_visitor_interface_ss::~be_visitor_interface_ss (void)
{
}
int
be_visitor_interface_ss::visit_interface (be_interface *node)
{
TAO_OutStream *os; // output stream
if (node->srv_skel_gen () || node->imported ())
return 0;
os = this->ctx_->stream ();
// generate the skeleton class name
os->indent (); // start with whatever indentation level we are at
if (node->gen_operation_table () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_interface_ss::"
"visit_interface - "
"codegen for operation table failed\n"),
-1);
}
// constructor
*os << "// skeleton constructor" << be_nl;
// find if we are at the top scope or inside some module
if (!node->is_nested ())
{
// we are outermost. So the POA_ prefix is prepended to our name
*os << node->full_skel_name () << "::POA_" << node->local_name () <<
" (void)" << be_nl;
}
else
{
// the POA_ prefix is prepended to our outermost module name
*os << node->full_skel_name () << "::" << node->local_name () <<
" (void)" << be_nl;
}
*os << "{" << be_idt_nl
<< "this->optable_ = &tao_" << node->flatname ()
<< "_optable;" << be_uidt_nl
<< "}\n\n";
*os << "// copy ctor" << be_nl;
// find if we are at the top scope or inside some module
if (!node->is_nested ())
{
// we are outermost. So the POA_ prefix is prepended to our name
*os << node->full_skel_name () << "::POA_"
<< node->local_name () << " ("
<< "POA_" << node->local_name () << "& rhs)";
}
else
{
// the POA_ prefix is prepended to our outermost module name
*os << node->full_skel_name () << "::"
<< node->local_name () << " ("
<< node->local_name () << "& rhs)";
}
*os << be_idt_nl
<< ": ";
if (node->traverse_inheritance_graph
(be_interface::copy_ctor_helper, os) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_interface_ss::visit_interface - "
" copy ctor generation failed\n"), -1);
*os << " TAO_ServantBase (rhs)" << be_uidt_nl
<< "{}\n";
// destructor
os->indent ();
*os << "// skeleton destructor" << be_nl;
if (!node->is_nested ())
{
// we are outermost. So the POA_ prefix is prepended to our name
*os << node->full_skel_name () << "::~POA_" << node->local_name () <<
" (void)" << be_nl;
}
else
{
// the POA_ prefix is prepended to our outermost module name
*os << node->full_skel_name () << "::~" << node->local_name () <<
" (void)" << be_nl;
}
*os << "{\n";
*os << "}\n";
// generate code for elements in the scope (e.g., operations)
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_interface_ss::"
"visit_interface - "
"codegen for scope failed\n"),
-1);
}
// generate code for the _is_a skeleton
os->indent ();
*os << "void " << node->full_skel_name ()
<< "::_is_a_skel (" << be_idt << be_idt_nl
<< "CORBA::ServerRequest &_tao_server_request, " << be_nl
<< "void * _tao_object_reference," << be_nl
<< "void * /*context*/," << be_nl
<< "CORBA::Environment &_tao_environment" << be_uidt_nl
<< ")" << be_uidt_nl;
*os << "{\n";
os->incr_indent ();
*os << "static const TAO_Param_Data_Skel " << node->flatname ()
<< "_is_a_paramdata [] = " << be_nl;
*os << "{" << be_idt_nl;
*os << "{CORBA::_tc_boolean, 0, 0}," << be_nl;
*os << "{CORBA::_tc_string, CORBA::ARG_IN, 0}" << be_uidt_nl;
*os << "};" << be_nl;
*os << "static const TAO_Call_Data_Skel " << node->flatname ()
<< "_is_a_calldata = " << be_nl;
*os << "{\"_is_a\", 1, 2, " << node->flatname () << "_is_a_paramdata};"
<< be_nl;
// *os << "CORBA::Environment _tao_skel_environment;" << be_nl;
*os << node->full_skel_name () << "_ptr _tao_impl = ("
<< node->full_skel_name () << "_ptr) _tao_object_reference;"
<< be_nl;
*os << "CORBA::Boolean _tao_retval;" << be_nl;
*os << "CORBA::String_var _tao_value;" << be_nl;
*os << "_tao_server_request.demarshal (" << be_idt_nl
<< "_tao_environment, " << be_nl
<< "&" << node->flatname () << "_is_a_calldata, " << be_nl
<< "&_tao_retval, " << be_nl
<< "&_tao_value.inout ()" << be_uidt_nl
<< ");" << be_nl;
*os << "TAO_CHECK_ENV_RETURN_VOID (_tao_environment);" << be_nl;
*os << "_tao_retval = _tao_impl->_is_a (_tao_value.in (), "
<< "_tao_environment);" << be_nl;
*os << "TAO_CHECK_ENV_RETURN_VOID (_tao_environment);" << be_nl;
*os << "_tao_server_request.marshal (" << be_idt_nl
<< "_tao_environment, " << be_nl
// << "_tao_skel_environment," << be_nl
<< "&" << node->flatname () << "_is_a_calldata, " << be_nl
<< "&_tao_retval, " << be_nl
<< "&_tao_value.inout ()" << be_uidt_nl
<< ");" << be_uidt_nl;
// *os << "CORBA::string_free (_tao_value);" << be_uidt_nl;
*os << "}\n\n";
os->indent ();
*os << "CORBA::Boolean " << node->full_skel_name ()
<< "::_is_a (" << be_idt << be_idt_nl
<< "const char* value," << be_nl
<< "CORBA::Environment &_tao_environment" << be_uidt_nl
<< ")" << be_uidt_nl
<< "{" << be_idt_nl
<< "if (\n" << be_idt;
if (node->traverse_inheritance_graph (be_interface::is_a_helper, os) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_interface_ss::"
"visit_interface - "
"traversal of inhertance graph failed\n"),
-1);
}
os->indent ();
*os << "(!ACE_OS::strcmp ((char *)value, "
<< "CORBA::_tc_Object->id (_tao_environment))))"
<< be_idt_nl << "return 1;" << be_uidt_nl
<< "else" << be_idt_nl
<< "return 0;" << be_uidt << be_uidt << be_uidt_nl
<< "}\n\n";
// generate code for the _non_existent skeleton
os->indent ();
*os << "void " << node->full_skel_name ()
<< "::_non_existent_skel (" << be_idt << be_idt_nl
<< "CORBA::ServerRequest &_tao_server_request, " << be_nl
<< "void * /* _tao_object_reference */ ," << be_nl
<< "void * /*context*/," << be_nl
<< "CORBA::Environment &_tao_environment" << be_uidt_nl
<< ")" << be_uidt_nl;
*os << "{" << be_idt_nl;
*os << "static const TAO_Param_Data_Skel " << node->flatname ()
<< "_non_existent_paramdata [] = " << be_nl
<< "{" << be_idt_nl
<< "{CORBA::_tc_boolean, 0, 0}" << be_uidt_nl
<< "};" << be_nl;
*os << "static const TAO_Call_Data_Skel " << node->flatname ()
<< "_non_existent_calldata = " << be_nl
<< "{\"_non_existent\", 1, 1, " << node->flatname ()
<< "_non_existent_paramdata};" << be_nl;
// *os << "CORBA::Environment _tao_skel_environment;" << be_nl;
*os << "CORBA::Boolean _tao_retval = 0;" << be_nl;
*os << "_tao_server_request.marshal (" << be_idt_nl
<< "_tao_environment, " << be_nl
// << "_tao_skel_environment," << be_nl
<< "&" << node->flatname () << "_non_existent_calldata, " << be_nl
<< "&_tao_retval " << be_uidt_nl
<< ");" << be_uidt_nl;
*os << "}\n\n";
os->indent ();
*os << "void* " << node->full_skel_name ()
<< "::_downcast (" << be_idt << be_idt_nl
<< "const char* logical_type_id" << be_uidt_nl
<< ")" << be_uidt_nl
<< "{" << be_idt_nl;
if (node->traverse_inheritance_graph (be_interface::downcast_helper, os) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_interface_ss::"
"visit_interface - "
"traversal of inhertance graph failed\n"),
-1);
}
*os << "if (ACE_OS::strcmp (logical_type_id, "
<< "\"IDL:omg.org/CORBA/Object:1.0\") == 0)" << be_idt_nl
<< "return ACE_static_cast(PortableServer::Servant, this);"
<< be_uidt_nl;
*os << "return 0;" << be_uidt_nl
<< "}\n\n";
// now the dispatch method
os->indent ();
*os << "void " << node->full_skel_name () <<
"::_dispatch (CORBA::ServerRequest &req, " <<
"void *context, CORBA::Environment &env)" << be_nl;
*os << "{\n";
os->incr_indent ();
*os << "TAO_Skeleton skel; // pointer to skeleton for operation" << be_nl;
*os << "const char *opname = req.operation (); // retrieve operation name"
<< be_nl;
*os << "// find the skeleton corresponding to this opname" << be_nl;
*os << "if (this->_find (opname, skel) == -1)" << be_nl;
*os << "{" << be_idt_nl;
*os << "ACE_ERROR ((LM_ERROR, \"Bad operation <%s>\\n\", opname));" << be_nl;
*os << "TAO_THROW_ENV (CORBA_BAD_OPERATION (CORBA::COMPLETED_NO), "
<< "env);" << be_uidt_nl;
// *os << "env.exception (new CORBA_BAD_OPERATION (CORBA::COMPLETED_NO));" << be_nl;
*os << "}" << be_nl;
*os << "else" << be_idt_nl;
*os << "skel (req, this, context, env);" << be_uidt << be_uidt_nl;
*os << "}\n\n";
os->indent ();
*os << "const char* " << node->full_skel_name ()
<< "::_interface_repository_id (void) const"
<< be_nl;
*os << "{\n";
os->incr_indent ();
*os << "return \"" << node->repoID () << "\";\n";
os->decr_indent ();
*os << "}\n\n";
// generate the collocated class impl
be_visitor_context ctx (*this->ctx_);
ctx.state (TAO_CodeGen::TAO_INTERFACE_COLLOCATED_SS);
be_visitor *visitor = tao_cg->make_visitor (&ctx);
if (!visitor)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_interface_ss::"
"visit_interface - "
"Bad visitor for collocated class\n"),
-1);
}
if (node->accept (visitor) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_interface_ss::"
"visit_interface - "
"codegen for collocated class failed\n"),
-1);
}
delete visitor;
*os << "\n";
// the _this () operation
*os << node->name () << "*" << be_nl
<< node->full_skel_name ()
<< "::_this (CORBA_Environment &TAO_IN_ENV)" << be_nl
<< "{" << be_idt_nl
<< "STUB_Object *stub = this->_create_stub (TAO_IN_ENV);" << be_nl
<< "TAO_CHECK_ENV_RETURN (TAO_IN_ENV, 0);" << be_nl
// << "if (TAO_IN_ENV.exception () != 0)" << be_idt_nl
// << "return 0;" << be_uidt_nl
<< "return new " << node->full_coll_name ()
<< " (this, stub);" << be_uidt << be_nl;
*os << "}\n\n";
return 0;
}
|
