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//=============================================================================
/**
* @file connector_dds_exh.cpp
*
* $Id$
*
* Visitor generating code for DDS Connectors in the exec impl header.
*
*
* @author Jeff Parsons
*/
//=============================================================================
be_visitor_connector_dds_exh::be_visitor_connector_dds_exh (
be_visitor_context *ctx)
: be_visitor_connector_dds_ex_base (ctx)
{
// This is initialized in the base class to svnt_export_macro()
// or skel_export_macro(), since there are many more visitor
// classes generating servant code. So we can just override
// all that here.
export_macro_ = be_global->conn_export_macro ();
}
be_visitor_connector_dds_exh::~be_visitor_connector_dds_exh (void)
{
}
int
be_visitor_connector_dds_exh::visit_connector (be_connector *node)
{
if (node->imported ())
{
return 0;
}
AST_Connector *base = node->base_connector ();
// Hack for the time being to skip codegen for DDS_State
// and DDS_Event, both of which come along with the template
// module instantiation.
if (base == 0)
{
return 0;
}
node_ = node;
// More shaky logic that will have to be improved. If our
// base connector does not come from an instantiated
// template module, we skip the code generation.
this->process_template_args (base);
if (this->t_args_ == 0)
{
return 0;
}
/// CIDL-generated namespace used 'CIDL_' + composition name.
/// Now we use 'CIAO_' + component's flat name.
os_ << be_nl << be_nl
<< "namespace CIAO_" << node->flat_name ()
<< "_Impl" << be_nl
<< "{" << be_idt;
this->gen_dds_traits ();
this->gen_connector_traits ();
if (this->t_args_ == 0)
{
return 0;
}
/// Assumes parent connector exists and is either DDS_State
/// or DDS_Event, so we generate inheritance from the
/// corresponding template. May have to generalize this logic.
os_ << be_nl << be_nl
<< "class " << this->export_macro_.c_str () << " "
<< this->node_->local_name () << "_exec_i" << be_idt_nl
<< ": public " << node->base_connector ()->local_name ()
<< "_Connector_T";
AST_Decl **datatype = 0;
int status = this->t_args_->get (datatype, 0UL);
if (status != 0)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("be_visitor_connector_dds_exh::")
ACE_TEXT ("gen_dds_traits - ")
ACE_TEXT ("template arg not found\n ")));
return -1;
}
AST_Type *ut = AST_Type::narrow_from_decl (*datatype);
os_ << " <" << be_idt << be_idt_nl
<< this->dds_traits_name_.c_str () << "," << be_nl
<< "DDS" << this->node_->local_name ()
<< "_Traits," << be_nl;
if (ut->size_type () == AST_Type::FIXED)
{
os_ << "true> ";
}
else
{
os_ << "false> ";
}
os_ << be_uidt << be_uidt << be_uidt_nl
<< "{" << be_nl
<< "public:" << be_idt_nl
<< this->node_->local_name () << "_exec_i (void);" << be_nl
<< "virtual ~" << this->node_->local_name ()
<< "_exec_i (void);";
if (this->visit_scope (node) != 0)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("be_visitor_connector_dds_exh::")
ACE_TEXT ("visit_connector - ")
ACE_TEXT ("visit_scope() failed\n ")),
-1);
}
os_ << be_uidt_nl
<< "};";
this->gen_exec_entrypoint_decl ();
os_ << be_uidt_nl
<< "}";
return 0;
}
void
be_visitor_connector_dds_exh::gen_dds_traits (void)
{
// We depend on the DDS datatype being the first template
// argument for now, this may change.
AST_Decl **datatype = 0;
int status = this->t_args_->get (datatype, 0UL);
if (status != 0)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("be_visitor_connector_dds_exh::")
ACE_TEXT ("gen_dds_traits - ")
ACE_TEXT ("template arg not found\n ")));
return;
}
UTL_ScopedName *dt_name = (*datatype)->name ();
// More generic logic TBI.
bool rti_dds_connector = true;
if (rti_dds_connector)
{
os_ << be_nl
<< "typedef CIAO::DDS4CCM::RTI::Type_Traits <"
<< be_idt_nl
<< "::" << dt_name << "," << be_nl
<< "::" << dt_name << "Seq," << be_nl
<< "::" << dt_name << "TypeSupport," << be_nl
<< "::" << dt_name << "DataWriter," << be_nl
<< "::" << dt_name << "DataReader>";
os_ << this->dds_traits_name_.c_str () << ";" << be_uidt;
}
}
void
be_visitor_connector_dds_exh::gen_connector_traits (void)
{
AST_Decl **item = 0;
int status = this->t_args_->get (item, 1UL);
if (status != 0)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("be_visitor_connector_dds_exh::")
ACE_TEXT ("gen_connector_traits - ")
ACE_TEXT ("template arg not found\n ")));
return;
}
os_ << be_nl << be_nl
<< "typedef ::CIAO::DDS4CCM::Connector_Traits <"
<< be_idt_nl
<< "::CIAO_" << this->node_->flat_name () << "_Impl::"
<< this->node_->local_name () << "_Exec," << be_nl
<< "::" << (*item)->name () << "," << be_nl
<< "::" << this->t_inst_->name ()
<< "::CCM_Writer," << be_nl
<< "::" << this->t_inst_->name ()
<< "::CCM_Updater," << be_nl
<< "::" << this->t_inst_->name ()
<< "::CCM_Getter," << be_nl
<< "::" << this->t_inst_->name ()
<< "::CCM_Reader," << be_nl
<< "::" << ScopeAsDecl (this->node_->defined_in ())->name ()
<< "::CCM_" << this->node_->local_name ()
<< "_Context," << be_nl
<< "::" << this->t_inst_->name ()
<< "::Listener," << be_nl
<< "::" << this->t_inst_->name ()
<< "::StateListener," << be_nl
<< "::CCM_DDS::ConnectorStatusListener> DDS"
<< this->node_->local_name () << "_Traits;";
}
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