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//=============================================================================
/**
* @file context_svh.cpp
*
* $Id$
*
* Visitor generating code for a context class in the
* servant header.
*
*
* @author Jeff Parsons
*/
//=============================================================================
#include <be_helper.h>
be_visitor_context_svth::be_visitor_context_svth (be_visitor_context *ctx)
: be_visitor_component_scope (ctx)
{
}
be_visitor_context_svth::~be_visitor_context_svth (void)
{
}
int
be_visitor_context_svth::visit_component (be_component *node)
{
// This visitor is spawned by be_visitor_component_svh,
// which already does a check for imported node, so none
// is needed here.
node_ = node;
AST_Decl *scope = ScopeAsDecl (node->defined_in ());
ACE_CString sname_str (scope->full_name ());
const char *sname = sname_str.c_str ();
// No '_cxx_' prefix.
const char *lname =
node->original_local_name ()->get_string ();
const char *global = (sname_str == "" ? "" : "::");
os_ << be_nl
<< "class " << lname << "_Servant;"
<< be_nl_2;
os_ << "template <typename CONTAINER_TYPE, typename BASE>" << be_nl;
os_ << "class " << export_macro_.c_str () << " " << lname
<< "_Context_T" << be_idt_nl;
// Spec: no multiple inheritance allowed for components.
AST_Component * base = node->base_component ();
if (base)
{
AST_Decl *base_scope = ScopeAsDecl (base->defined_in ());
ACE_CString sbase_name_str (scope->full_name ());
const char *sbase_name = sbase_name_str.c_str ();
const char *lbase_name =
base->original_local_name ()->get_string ();
os_ << ": public " << global << "CIAO_" << base->flat_name ()
<< "_Impl::" << lbase_name << "_Context_T<CONTAINER_TYPE, BASE>";
}
else
{
os_ << ": public virtual BASE";
}
os_ << be_uidt_nl
<< "{" << be_nl
<< "public:" << be_idt_nl;
os_ << "/// Allow the servant to access our state." << be_nl
<< "friend class " << lname << "_Servant;"
<< be_nl_2;
// os_ << "/// Some useful typedefs." << be_nl
// << "typedef" << be_nl
// << "::CIAO::" << be_global->ciao_container_type ()
// << "_Context_Impl_T<" << be_idt << be_idt_nl
// << global << sname << "::CCM_"
// << lname << "_Context," << be_nl
// << "::" << node->name () << ">" << be_uidt_nl
// << "base_type;" << be_uidt_nl << be_nl;
//
// os_ << "typedef base_type::context_type context_type;" << be_nl
// << "typedef base_type::component_type component_type;"
// << be_nl;
AST_Decl::NodeType nt = this->node_->node_type ();
bool const is_connector = (nt == AST_Decl::NT_connector);
bool no_events = false;
if (!is_connector)
{
no_events =
(node->n_consumes () == 0UL
&& node->n_emits () == 0UL
&& node->n_publishes () == 0UL);
}
bool const de_facto = (is_connector || no_events);
os_ << "typedef ::CIAO::"
<< (de_facto ? "Connector_" : "")
<< "Servant_Impl_Base svnt_base_type;" << be_nl_2;
os_ << lname << "_Context_T (" << be_idt_nl
<< "::Components::CCMHome_ptr h," << be_nl
<< "typename CONTAINER_TYPE::_ptr_type c," << be_nl
<< "PortableServer::Servant sv," << be_nl
<< "const char *id);" << be_uidt_nl << be_nl;
os_ << "virtual ~" << lname << "_Context_T (void);";
os_ << be_nl_2
<< "/** @name Operations and members for " << lname
<< " receptacles and event sources,"
<< be_nl
<< " * defined in " << global << sname
<< "::CCM_" << lname << "_Context." << be_nl << " */"
<< be_nl
<< "//@{";
if (this->visit_component_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("be_visitor_context_svth")
ACE_TEXT ("::visit_component - ")
ACE_TEXT ("visit_component_scope() ")
ACE_TEXT ("failed\n")),
-1);
}
os_ << be_nl
<< "//@}"
<< be_uidt_nl
<< "};";
return 0;
}
int
be_visitor_context_svth::visit_connector (be_connector *node)
{
return this->visit_component (node);
}
int
be_visitor_context_svth::visit_uses (be_uses *node)
{
if (node->imported ())
{
return 0;
}
ACE_CString prefix (this->ctx_->port_prefix ());
prefix += node->local_name ()->get_string ();
const char *port_name = prefix.c_str ();
const char *obj_name = node->uses_type ()->full_name ();
bool const is_multiple = node->is_multiple ();
os_ << be_uidt_nl << be_nl
<< "public:" << be_idt_nl
<< "virtual ";
if (is_multiple)
{
os_ << "::" << node_->full_name () << "::"
<< port_name << "Connections *" << be_nl
<< "get_connections_" << port_name << " (void);";
}
else
{
os_ << "::" << obj_name << "_ptr" << be_nl
<< "get_connection_" << port_name << " (void);";
}
os_ << be_nl << be_uidt_nl
<< "protected:" << be_idt_nl
<< "virtual "
<< (is_multiple ? "::Components::Cookie *" : "void")
<< be_nl
<< "connect_" << port_name << " ("
<< "::" << obj_name << "_ptr);"
<< be_nl_2;
os_ << "virtual ::" << obj_name << "_ptr" << be_nl
<< "disconnect_" << port_name << " (";
if (is_multiple)
{
os_ << "::Components::Cookie * ck);";
}
else
{
os_ << "void);";
}
os_ << be_uidt_nl << be_nl
<< "private:" << be_idt_nl;
if (is_multiple)
{
os_ << "/// Multiplex " << port_name << " connection." << be_nl
<< "typedef std::map<ptrdiff_t," << be_nl
<< " ::"
<< obj_name << "_var>" << be_idt_nl
<< tao_cg->upcase (port_name)
<< "_TABLE;" << be_uidt_nl
<< tao_cg->upcase (port_name) << "_TABLE "
<< "ciao_uses_" << port_name << "_;" << be_nl
<< "TAO_SYNCH_MUTEX " << port_name << "_lock_;";
}
else
{
os_ << "/// Simplex " << port_name << " connection." << be_nl
<< "::" << obj_name << "_var" << be_nl
<< "ciao_uses_" << port_name << "_;";
}
return 0;
}
int
be_visitor_context_svth::visit_publishes (be_publishes *node)
{
if (node->imported ())
{
return 0;
}
const char *obj_name = node->publishes_type ()->full_name ();
const char *port_name = node->local_name ()->get_string ();
os_ << be_uidt_nl << be_nl
<< "public:" << be_idt_nl
<< "virtual void" << be_nl
<< "push_" << port_name << " (" << be_idt_nl
<< "::" << obj_name << " * ev);" << be_uidt_nl;
os_ << be_uidt_nl
<< "protected:" << be_idt_nl;
os_ << "virtual ::Components::Cookie *" << be_nl
<< "subscribe_" << port_name << " (" << be_idt_nl
<< "::" << obj_name << "Consumer_ptr c);" << be_uidt_nl;
os_ << be_nl
<< "virtual ::" << obj_name << "Consumer_ptr" << be_nl
<< "unsubscribe_" << port_name << " (" << be_idt_nl
<< "::Components::Cookie * ck);" << be_uidt;
os_ << be_uidt_nl << be_nl
<< "private:" << be_idt_nl;
os_ << "typedef std::map<ptrdiff_t," << be_nl
<< " ::" << obj_name
<< "Consumer_var>" << be_idt_nl
<< tao_cg->upcase (port_name) << "_TABLE;" << be_uidt_nl
<< tao_cg->upcase (port_name) << "_TABLE ciao_publishes_"
<< port_name << "_;" << be_nl
<< "TAO_SYNCH_MUTEX " << port_name << "_lock_;"
<< be_nl_2;
return 0;
}
int
be_visitor_context_svth::visit_emits (be_emits *node)
{
if (node->imported ())
{
return 0;
}
const char *obj_name = node->emits_type ()->full_name ();
const char *port_name = node->local_name ()->get_string ();
os_ << be_uidt_nl << be_nl
<< "public:" << be_idt_nl;
os_ << "virtual void" << be_nl
<< "push_" << port_name << " (" << be_idt_nl
<< "::" << obj_name << " * ev);" << be_uidt;
os_ << be_uidt_nl << be_nl
<< "protected:" << be_idt_nl;
os_ << "virtual void" << be_nl
<< "connect_" << port_name << " (" << be_idt_nl
<< "::" << obj_name << "Consumer_ptr c);" << be_uidt;
os_ << be_nl_2
<< "virtual ::" << obj_name << "Consumer_ptr" << be_nl
<< "disconnect_" << port_name << " (void);";
os_ << be_uidt_nl << be_nl
<< "protected:" << be_idt_nl
<< "::" << obj_name << "Consumer_var" << be_nl
<< "ciao_emits_" << port_name << "_consumer_;";
return 0;
}
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