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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// context_svh.cpp
//
// = DESCRIPTION
// Visitor generating code for a context class in the
// servant header.
//
// = AUTHOR
// Jeff Parsons
//
// ============================================================================
be_visitor_context_svh::be_visitor_context_svh (be_visitor_context *ctx)
: be_visitor_scope (ctx),
node_ (0),
os_ (*ctx->stream ()),
export_macro_ (be_global->svnt_export_macro ()),
swapping_ (be_global->gen_component_swapping ())
{
/// All existing CIAO examples set the servant export values in the CIDL
/// compiler to equal the IDL compiler's skel export values. Below is a
/// partial effort to decouple them, should be completely decoupled
/// sometime. See comment in codegen.cpp, line 1173.
if (export_macro_ == "")
{
export_macro_ = be_global->skel_export_macro ();
}
}
be_visitor_context_svh::~be_visitor_context_svh (void)
{
}
int
be_visitor_context_svh::visit_component (be_component *node)
{
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 << be_nl;
os_ << "class " << export_macro_.c_str () << " " << lname
<< "_Context" << be_idt_nl
<< ": public virtual ::CIAO::"
<< (swapping_ ? "Upgradeable_" : "")
<< "Context_Impl<" << be_idt << be_idt_nl
<< global << sname << "::CCM_" << lname
<< "_Context," << be_nl
<< lname << "_Servant," << be_nl
<< "::" << node->name () << ">" << be_uidt << be_uidt << 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 << be_nl;
os_ << "// Some useful typedefs." << be_nl<< be_nl
<< "typedef" << be_nl
<< "::CIAO::Context_Impl<" << be_idt << be_idt_nl
<< global << sname << "::CCM_"
<< lname << "_Context," << be_nl
<< lname << "_Servant," << 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::servant_type servant_type;" << be_nl
<< "typedef base_type::component_type component_type;"
<< be_nl << be_nl;
os_ << lname << "_Context (" << be_idt_nl
<< "::Components::CCMHome_ptr h," << be_nl
<< "::CIAO::Container_ptr c," << be_nl
<< lname << "_Servant *sv);" << be_uidt_nl << be_nl;
os_ << "virtual ~" << lname << "_Context (void);";
os_ << be_nl << be_nl
<< "// CIAO-specific." << be_nl
<< "static " << lname << "_Context *" << be_nl
<< "_narrow ( ::Components::SessionContext_ptr p);";
os_ << be_nl << be_nl
<< "// Operations for " << lname
<< " receptacles and event sources,"
<< be_nl
<< "// defined in " << global << sname
<< "::CCM_" << lname << "_Context.";
this->gen_context_r (node);
if (swapping_)
{
os_ << be_nl << be_nl
<< "/// Operation defined in " << sname << "::CCM_"
<< lname << "_Context" << be_nl
<< "/// that enable component swapping in the container."
<< be_nl
<< "virtual ::Components::ConsumerDescriptions *" << be_nl
<< "get_registered_consumers (const char * publisher_name);";
}
os_ << be_uidt_nl
<< "};";
return 0;
}
int
be_visitor_context_svh::visit_uses (be_uses *node)
{
const char *obj_name = node->uses_type ()->full_name ();
const char *port_name = node->local_name ()->get_string ();
bool 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 << " (" << be_idt_nl
<< "::" << obj_name << "_ptr);"
<< be_uidt_nl << be_nl;
os_ << "virtual ::" << obj_name << "_ptr" << be_nl
<< "disconnect_" << port_name << " (";
if (is_multiple)
{
os_ << be_idt_nl
<< "::Components::Cookie * ck);" << be_uidt;
}
else
{
os_ << "void);";
}
os_ << be_uidt_nl << be_nl
<< "protected:" << be_idt_nl;
if (is_multiple)
{
os_ << "// Multiplex " << port_name << " connection." << be_nl
<< "typedef ACE_Array_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_svh::visit_publishes (be_publishes *node)
{
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
<< "// CIAO-specific." << be_nl
<< "::Components::Cookie *" << be_nl
<< "subscribe_" << port_name << "_generic (" << be_idt_nl
<< "::Components::EventConsumerBase_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
<< "protected:" << be_idt_nl;
os_ << "typedef ACE_Array_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 << be_nl;
os_ << "typedef ACE_Array_Map<ptrdiff_t," << be_nl
<< " ::Components::EventConsumerBase_var>"
<< be_idt_nl
<< tao_cg->upcase (port_name)
<< "_GENERIC_TABLE;" << be_uidt_nl
<< tao_cg->upcase (port_name)
<< "_GENERIC_TABLE ciao_publishes_"
<< port_name << "_generic_;";
return 0;
}
int
be_visitor_context_svh::visit_emits (be_emits *node)
{
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 << be_nl
<< "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;
}
int
be_visitor_context_svh::visit_extended_port (be_extended_port *)
{
return 0;
}
int
be_visitor_context_svh::visit_mirror_port (be_mirror_port *)
{
// TODO
return 0;
}
int
be_visitor_context_svh::gen_context_r (be_component *node)
{
if (node == 0)
{
return 0;
}
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("be_visitor_context_svh")
ACE_TEXT ("::gen_context_r - ")
ACE_TEXT ("visit_scope() ")
ACE_TEXT ("failed\n")),
-1);
}
be_component *ancestor =
be_component::narrow_from_decl (node->base_component ());
return this->gen_context_r (ancestor);
}
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