modules/TAO/TAO_IDL/be/be_visitor_component/facet_exs.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142

//
// $Id$
//

// ============================================================================
//
// = LIBRARY
//    TAO_IDL_BE
//
// = FILENAME
//    facet_exs.cpp
//
// = DESCRIPTION
//    Visitor generating code for facets in the exec impl source.
//
// = AUTHOR
//    Jeff Parsons
//
// ============================================================================

be_visitor_facet_exs::be_visitor_facet_exs (
      be_visitor_context *ctx)
  : be_visitor_component_scope (ctx),
    op_scope_ (0),
    comment_border_ ("//=============================="
                     "=============================="),
    your_code_here_ ("/* Your code here. */")
{
}

be_visitor_facet_exs::~be_visitor_facet_exs (void)
{
}

int
be_visitor_facet_exs::visit_operation (be_operation *node)
{
  AST_Decl::NodeType nt =
    ScopeAsDecl (node->defined_in ())->node_type ();

  // Components have implied IDL operations added to the AST, but
  // we are interested only in supported interface operations.
  if (nt == AST_Decl::NT_component)
    {
      return 0;
    }
    
  be_visitor_operation_exs v (this->ctx_);
  v.scope (op_scope_);
  return v.visit_operation (node);
}

int
be_visitor_facet_exs::visit_attribute (be_attribute *node)
{
  AST_Decl::NodeType nt =
    ScopeAsDecl (node->defined_in ())->node_type ();

  // Components have implied IDL operations added to the AST, but
  // we are interested only in supported interface operations.
  if (nt == AST_Decl::NT_component)
    {
      return 0;
    }
    
  be_visitor_attribute v (this->ctx_);
  v.op_scope (op_scope_);
  return v.visit_attribute (node);
}

int
be_visitor_facet_exs::visit_provides (be_provides *node)
{
  be_type *impl = node->provides_type ();

  if (impl->exec_src_facet_gen ())
    {
      return 0;
    }
    
  // We don't want any '_cxx_' prefix here.
  const char *lname =
    impl->original_local_name ()->get_string ();

  os_ << be_nl
      << comment_border_ << be_nl
      << "// Facet Executor Implementation Class: "
      << lname << "_exec_i" << be_nl
      << comment_border_;

  os_ << be_nl << be_nl
      << lname << "_exec_i::" << lname
      << "_exec_i (void)" << be_nl
      << "{" << be_nl
      << "}";

  os_ << be_nl << be_nl
      << lname << "_exec_i::~" << lname
      << "_exec_i (void)" << be_nl
      << "{" << be_nl
      << "}";

  if (impl->node_type () == AST_Decl::NT_interface)
    {
      be_interface *intf =
        be_interface::narrow_from_decl (impl);

      op_scope_ = intf;

      os_ << be_nl << be_nl
          << "// Operations from ::" << intf->full_name ();

      /// The overload of traverse_inheritance_graph() used here
      /// doesn't automatically prime the queues.
      intf->get_insert_queue ().reset ();
      intf->get_del_queue ().reset ();
      intf->get_insert_queue ().enqueue_tail (intf);

      Component_Exec_Op_Attr_Generator op_attr_gen (this);

      int status =
        intf->traverse_inheritance_graph (op_attr_gen,
                                          &os_,
                                          false,
                                          false);

      if (status == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             ACE_TEXT ("be_visitor_facet_exs::")
                             ACE_TEXT ("visit_provides - ")
                             ACE_TEXT ("traverse_inheritance_graph() ")
                             ACE_TEXT ("failed\n")),
                            -1);
        }
    }

  impl->exec_src_facet_gen (true);

  return 0;
}