summaryrefslogtreecommitdiff
path: root/TAO/TAO_IDL/be/be_visitor_sequence/gen_bounded_obj_sequence_ch.cpp
blob: 48c28ca12b3f1443bfc7d530ddbcc726d2eed4a7 (plain)
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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
//
// $Id$
//

// ============================================================================
//
// = LIBRARY
//    TAO IDL
//
// = FILENAME
//    gen_bounded_obj_sequence_ch.cpp
//
// = DESCRIPTION
//    Visitor generating code for Sequence in the client header
//
// = AUTHOR
//    Michael Kircher
//
//    Modifications by Aniruddha Gokhale
//
// ============================================================================

#include	"be.h"

#include "be_visitor_sequence.h"

ACE_RCSID(be_visitor_sequence, gen_bounded_obj_sequence_ch, "$Id$")


int
be_visitor_sequence_ch::gen_bounded_obj_sequence (be_sequence *node)
{
  TAO_OutStream *os = this->ctx_->stream ();
  be_type *bt;

  // retrieve the base type since we may need to do some code
  // generation for the base type.
  bt = be_type::narrow_from_decl (node->base_type ());
  if (!bt)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_sequence_ch::"
                         "visit_sequence - "
                         "Bad element type\n"), -1);
    }

  // generate the class name
  be_type  *pt; // base types
      
  if (bt->node_type () == AST_Decl::NT_typedef)
  {
    // get the primitive base type of this typedef node
    be_typedef *t = be_typedef::narrow_from_decl (bt);
    pt = t->primitive_base_type ();
  }
  else
    pt = bt;


  const char * class_name = node->instance_name ();

  be_visitor_context ctx (*this->ctx_);
  ctx.state (TAO_CodeGen::TAO_SEQUENCE_BASE_CH);
  be_visitor *visitor = tao_cg->make_visitor (&ctx);

  const char * object_manager = node->object_manager_name ();

  // !! branching in either compile time template instantiation
  // or manual template instatiation
  os->gen_ifdef_AHETI();

  os->gen_ifdef_macro (class_name);

  os->indent ();

  //forward declaration of the object manager;
  *os << "class " << object_manager << ";" << be_nl << be_nl;

  *os << "class " << class_name << " : public TAO_Bounded_Base_Sequence" << be_nl
      << "{" << be_nl
      << "public:" << be_idt_nl
      << "// = Initialization and termination methods." << be_nl
      << be_nl;

  // default constructor
  *os << class_name << " (void);" << be_nl;

  // constructor
  *os << class_name << " (CORBA::ULong length," << be_idt_nl;
  // the accept is here the first time used and if an 
  // error occurs, it will occur here. Later no check
  // for errors will be done.
  if (pt->accept (visitor) == -1)
  {
     ACE_ERROR_RETURN ((LM_ERROR,
                        "(%N:%l) be_visitor_sequence_ch::"
                        "visit_sequence - "
                        "base type visit failed\n"),
                        -1);
  }
  *os <<"* *value," << be_nl
      << "CORBA::Boolean release = 0);" << be_uidt_nl;

  // constructor
  *os << class_name << " (const " << class_name << " &rhs);" << be_nl
      << "// Copy constructor." << be_nl;

  // destructor
  *os << "virtual ~" << class_name << " (void);" << be_nl
      << "// destructor" << be_nl;

  // operator=
  *os << class_name << " &operator= (const " << class_name << " &rhs);" << be_nl
      << "// Assignment from another Bounded sequence." << be_nl;

  // operator[]
  *os << object_manager << " operator[] (CORBA::ULong index) const;"
      << "// Read-write accessor." << be_nl;

  // allocbuf
  *os << "static "; 
  pt->accept (visitor); 
  *os << " **allocbuf (CORBA::ULong length); "
      << "// Allocate storage for a sequence.." << be_nl;

  // freebuf
  *os << "static void freebuf ("; 
  pt->accept (visitor); 
  *os << " **buffer);" << be_nl;

  // allocate_buffer
  *os << "// The Base_Sequence functions, please see tao/sequence.h" << be_nl
      << "virtual void _allocate_buffer (CORBA::ULong length);" << be_nl;

  // deallocate_buffer
  *os << "virtual void _deallocate_buffer (void);" << be_nl;

  // get_buffer
  pt->accept(visitor); 
  *os << "* *get_buffer (CORBA::Boolean orphan = 0);" << be_nl;

  // get_buffer
  *os << "const "; 
  pt->accept (visitor); 
  *os << "* *get_buffer (void) const;" << be_nl;

  // _shrink_buffer
  *os << "virtual void _shrink_buffer (CORBA::ULong nl, CORBA::ULong ol);" << be_nl;

  be_predefined_type *prim = be_predefined_type::narrow_from_decl (pt);
  if ((pt->node_type () != AST_Decl::NT_pre_defined) ||
      (prim && (prim->pt () == AST_PredefinedType::PT_pseudo) &&
       (!ACE_OS::strcmp (prim->local_name ()->get_string (), "Object"))))
    {
      // Pseudo objects do not require this methods.
      *os << "virtual void _downcast (" << be_idt << be_idt_nl
	  << "void* target," << be_nl
	  << "CORBA_Object *src," << be_nl
	  << "CORBA_Environment &_env = "  << be_idt_nl
	  << "CORBA::Environment::default_environment ()"
	  << be_uidt << be_uidt_nl
	  << ");" << be_uidt_nl;

      *os << "virtual CORBA_Object* _upcast (void *src) const;" <<  be_nl;
    }
  *os << be_uidt_nl << "};\n";

  os->gen_endif ();

  // generate #endif for AHETI
  os->gen_endif_AHETI ();

  // Due to a bug with g++2.7.2.3 we have to generate the object manager class
  // after the sequence class and instead forward declare it above

  this->gen_object_manager (node);
  // Generate the code for the object manager

  delete visitor;
  return 0;
}