TAO/TAO_IDL/be/be_visitor_component/component_svs.cpp

   1
   2 //=============================================================================
   3 /**
   4  *  @file    component_svs.cpp
   5  *
   6  *  Visitor generating code for Components in the servant source.
   7  *
   8  *  @author Jeff Parsons
   9  */
  10 //=============================================================================
  11
  12 #include "component.h"
  13
  14 be_visitor_component_svs::be_visitor_component_svs (be_visitor_context *ctx)
  15   : be_visitor_component (ctx),
  16     os_ (*ctx->stream ()),
  17     export_macro_ (be_global->svnt_export_macro ())
  18 {
  19   /// All existing CIAO examples set the servant export values in the CIDL
  20   /// compiler to equal the IDL compiler's skel export values. Below is a
  21   /// partial effort to decouple them, should be completely decoupled
  22   /// sometime. See comment in codegen.cpp, line 1173.
  23   if (export_macro_ == "")
  24     {
  25       export_macro_ = be_global->skel_export_macro ();
  26     }
  27 }
  28
  29 be_visitor_component_svs::~be_visitor_component_svs ()
  30 {
  31 }
  32
  33 int
  34 be_visitor_component_svs::visit_component (be_component *node)
  35 {
  36   if (node->imported ())
  37     {
  38       return 0;
  39     }
  40
  41   /// Use 'CIAO_' + component's flat name.
  42   os_ << be_nl_2
  43       << "namespace CIAO_" << node->flat_name ()
  44       << "_Impl" << be_nl
  45       << "{" << be_idt;
  46
  47 //   be_visitor_context_svts context_visitor (this->ctx_);
  48
  49 //   if (context_visitor.visit_component (node) == -1)
  50 //     {
  51 //       ACE_ERROR_RETURN ((LM_ERROR,
  52 //                          ACE_TEXT ("be_visitor_component_svs::")
  53 //                          ACE_TEXT ("visit_component - ")
  54 //                          ACE_TEXT ("context visitor failed\n")),
  55 //                         -1);
  56 //     }
  57
  58   be_visitor_servant_svs servant_visitor (this->ctx_);
  59
  60   if (servant_visitor.visit_component (node) == -1)
  61     {
  62       ACE_ERROR_RETURN ((LM_ERROR,
  63                          ACE_TEXT ("be_visitor_component_svs::")
  64                          ACE_TEXT ("visit_component - ")
  65                          ACE_TEXT ("servant visitor failed\n")),
  66                         -1);
  67     }
  68
  69   this->gen_entrypoint (node);
  70
  71   os_ << be_uidt_nl
  72       << "}";
  73
  74   return 0;
  75 }
  76
  77 int
  78 be_visitor_component_svs::visit_connector (be_connector *node)
  79 {
  80   return this->visit_component (node);
  81 }
  82
  83 void
  84 be_visitor_component_svs::gen_entrypoint (AST_Component *node)
  85 {
  86   ACE_CString sname_str (
  87     ScopeAsDecl (node->defined_in ())->full_name ());
  88   const char *sname = sname_str.c_str ();
  89   const char *lname = node->local_name ()->get_string ();
  90   const char *global = (sname_str == "" ? "" : "::");
  91
  92   os_ << be_nl_2
  93       << "extern \"C\" " << export_macro_.c_str ()
  94       << " ::PortableServer::Servant" << be_nl
  95       << "create_" << node->flat_name ()
  96       << "_Servant (" << be_idt_nl
  97       << "::Components::EnterpriseComponent_ptr p," << be_nl
  98       << "::CIAO::" << be_global->ciao_container_type ()
  99       << "_Container_ptr c," << be_nl
 100       << "const char * ins_name)" << be_uidt_nl
 101       << "{" << be_idt_nl
 102       << global << sname << "::CCM_" << lname
 103       << "_var x =" << be_idt_nl
 104       << global << sname << "::CCM_" << lname
 105       << "::_narrow (p);" << be_uidt_nl << be_nl
 106       << "::PortableServer::Servant retval = 0;" << be_nl
 107       << "if (! ::CORBA::is_nil (x.in ()))" << be_idt_nl
 108       << "{" << be_idt_nl
 109       << "ACE_NEW_NORETURN (retval," << be_nl
 110       << "                  " << lname << "_Servant (" << be_idt_nl
 111       << "                  x.in ()," << be_nl
 112       << "                  ::Components::CCMHome::_nil ()," << be_nl
 113       << "                  ins_name," << be_nl
 114       << "                  0," << be_nl
 115       << "                  c));" << be_uidt << be_uidt_nl
 116       << "}" << be_uidt_nl << be_nl
 117       << "return retval;" << be_uidt_nl
 118       << "}";
 119 }
 120