TAO/TAO_IDL/be/be_visitor_component/component_svh.cpp

   1
   2 //=============================================================================
   3 /**
   4  *  @file    component_svh.cpp
   5  *
   6  *  Visitor generating code for Components in the servant header.
   7  *
   8  *  @author Jeff Parsons
   9  */
  10 //=============================================================================
  11
  12 #include "component.h"
  13
  14 be_visitor_component_svh::be_visitor_component_svh (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_svh::~be_visitor_component_svh ()
  30 {
  31 }
  32
  33 int
  34 be_visitor_component_svh::visit_component (be_component *node)
  35 {
  36   if (node->imported ())
  37     {
  38       return 0;
  39     }
  40
  41   /// Fills in the node's has_* members, for use in minimizing
  42   /// code generation.
  43   node->scan (node);
  44
  45   /// Use 'CIAO_' + component's flat name.
  46   os_ << be_nl_2
  47       << "namespace CIAO_" << node->flat_name ()
  48       << "_Impl" << be_nl
  49       << "{" << be_idt;
  50
  51 //   // Generate the context class declaration.
  52 //   be_visitor_context_svth context_visitor (this->ctx_);
  53 //
  54 //   if (context_visitor.visit_component (node) == -1)
  55 //     {
  56 //       ACE_ERROR_RETURN ((LM_ERROR,
  57 //                          ACE_TEXT ("be_visitor_component_svh::")
  58 //                          ACE_TEXT ("visit_component - ")
  59 //                          ACE_TEXT ("context visitor failed\n")),
  60 //                         -1);
  61 //     }
  62
  63   // Generate the servant class declaration.
  64   be_visitor_servant_svh servant_visitor (this->ctx_);
  65
  66   if (servant_visitor.visit_component (node) == -1)
  67     {
  68       ACE_ERROR_RETURN ((LM_ERROR,
  69                          ACE_TEXT ("be_visitor_component_svh::")
  70                          ACE_TEXT ("visit_component - ")
  71                          ACE_TEXT ("servant visitor failed\n")),
  72                         -1);
  73     }
  74
  75   this->gen_entrypoint (node);
  76
  77   os_ << be_uidt_nl
  78       << "}";
  79
  80   return 0;
  81 }
  82
  83 int
  84 be_visitor_component_svh::visit_connector (be_connector *node)
  85 {
  86   return this->visit_component (node);
  87 }
  88
  89 void
  90 be_visitor_component_svh::gen_entrypoint (be_component *node)
  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;
 101 }
 102