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|
//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// component_svs.cpp
//
// = DESCRIPTION
// Visitor generating code for Components in the servant source.
//
// = AUTHOR
// Jeff Parsons
//
// ============================================================================
// ******************************************************
// Component visitor for servant source
// ******************************************************
be_visitor_component_svs::be_visitor_component_svs (be_visitor_context *ctx)
: be_visitor_component (ctx),
os_ (*ctx->stream ()),
export_macro_ (be_global->svnt_export_macro ())
{
/// 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_component_svs::~be_visitor_component_svs (void)
{
}
int
be_visitor_component_svs::visit_component (be_component *node)
{
be_visitor_facet_svs facet_visitor (this->ctx_);
if (facet_visitor.visit_component_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("be_visitor_component_svs::")
ACE_TEXT ("visit_component - ")
ACE_TEXT ("facet visitor failed\n")),
-1);
}
/// 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;
be_visitor_context_svs context_visitor (this->ctx_);
if (context_visitor.visit_component (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("be_visitor_component_svs::")
ACE_TEXT ("visit_component - ")
ACE_TEXT ("context visitor failed\n")),
-1);
}
be_visitor_servant_svs servant_visitor (this->ctx_);
if (servant_visitor.visit_component (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("be_visitor_component_svs::")
ACE_TEXT ("visit_component - ")
ACE_TEXT ("servant visitor failed\n")),
-1);
}
this->gen_entrypoint (node);
os_ << be_uidt_nl
<< "}";
return 0;
}
void
be_visitor_component_svs::gen_entrypoint (AST_Component *node)
{
ACE_CString sname_str (
ScopeAsDecl (node->defined_in ())->full_name ());
const char *sname = sname_str.c_str ();
const char *lname = node->local_name ()->get_string ();
const char *global = (sname_str == "" ? "" : "::");
os_ << be_nl << be_nl
<< "extern \"C\" " << export_macro_.c_str ()
<< " ::PortableServer::Servant" << be_nl
<< "create_" << node->flat_name ()
<< "_Servant (" << be_idt_nl
<< "::Components::EnterpriseComponent_ptr p," << be_nl
<< "::CIAO::Container_ptr c," << be_nl
<< "const char * ins_name)" << be_uidt_nl
<< "{" << be_idt_nl
<< global << sname << "::CCM_" << lname
<< "_var x =" << be_idt_nl
<< global << sname << "::CCM_" << lname
<< "::_narrow (p);" << be_uidt_nl << be_nl
<< "if ( ::CORBA::is_nil (x.in ()))" << be_idt_nl
<< "{" << be_idt_nl
<< "return 0;" << be_uidt_nl
<< "}" << be_uidt_nl << be_nl
<< "::PortableServer::Servant retval = 0;" << be_nl
<< "ACE_NEW_RETURN (retval," << be_nl
<< " " << lname << "_Servant (" << be_idt_nl
<< " x.in ()," << be_nl
<< " ::Components::CCMHome::_nil ()," << be_nl
<< " ins_name," << be_nl
<< " 0," << be_nl
<< " c)," << be_uidt_nl
<< " 0);" << be_nl << be_nl
<< "return retval;" << be_uidt_nl
<< "}";
}
|
