summaryrefslogtreecommitdiff
path: root/TAO/TAO_IDL/be/be_visitor_exception/exception_ch.cpp
blob: 5e7f0bf91325b46e9fe5731daa06a4a8e330d96b (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
//
// $Id$
//

// ============================================================================
//
// = LIBRARY
//    TAO IDL
//
// = FILENAME
//    exception_ch.cpp
//
// = DESCRIPTION
//    Visitor generating code for Exception in the client header
//
// = AUTHOR
//    Aniruddha Gokhale
//
// ============================================================================

#include        "idl.h"
#include        "idl_extern.h"
#include        "be.h"

#include "be_visitor_exception.h"

ACE_RCSID(be_visitor_exception, exception_ch, "$Id$")


// ******************************************************
// for client header
// ******************************************************

be_visitor_exception_ch::be_visitor_exception_ch (be_visitor_context *ctx)
  : be_visitor_exception (ctx)
{
}

be_visitor_exception_ch::~be_visitor_exception_ch (void)
{
}

// visit the Exception node and its scope
int be_visitor_exception_ch::visit_exception (be_exception *node)
{
  TAO_OutStream *os; // output stream

  if (!node->cli_hdr_gen () && !node->imported ()) // not already generated and
                                                   // not imported
    {
      os = this->ctx_->stream ();

      os->gen_ifdef_macro (node->flat_name ());

      os->indent ();
      *os << "class " << idl_global->stub_export_macro ()
                << " " << node->local_name ()
                << " : public CORBA::UserException" << be_nl;
      *os << "{" << be_nl
                << "public:\n\n";

      // generate code for field members
      if (this->visit_scope (node) == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_exception_ch::"
                             "visit_exception - "
                             "codegen for scope failed\n"), -1);
        }

      *os << be_nl;

      // constructors and destructor
      *os << node->local_name () << " (void); // default ctor" << be_nl;
      *os << node->local_name () << " (const " << node->local_name ()
          << " &); // copy ctor" << be_nl;
      *os << "~" << node->local_name () << " (void);" << be_nl;

      if (!node->is_local ())
        *os << "static void _tao_any_destructor (void*);" << be_nl;

      // assignment operator
      *os << node->local_name () << " &operator= (const "
          << node->local_name () << " &);\n\n";

      *os << be_nl
          << "virtual void _raise (void);\n" << be_nl
          << "virtual void _tao_encode (" << be_idt << be_idt_nl
          << "TAO_OutputCDR &," << be_nl
          << "CORBA::Environment &) const;" << be_uidt << be_uidt_nl
          << "virtual void _tao_decode (" << be_idt << be_idt_nl
          << "TAO_InputCDR &," << be_nl
          << "CORBA::Environment &);" << be_uidt << be_uidt << "\n"
          << be_nl
          << "static " << node->local_name ()
          << " *_downcast (CORBA::Exception *);\n\n";

      // generate constructor that takes each member as a parameter. We need a
      // new state. Such a constructor exists if we have members
      if (node->member_count () > 0)
        {
          be_visitor_context ctx (*this->ctx_);
          ctx.state (TAO_CodeGen::TAO_EXCEPTION_CTOR_CH);
          be_visitor *visitor = tao_cg->make_visitor (&ctx);

          if (!visitor || (node->accept (visitor) == -1))
            {
              ACE_ERROR_RETURN ((LM_ERROR,
                                 "(%N:%l) be_visitor_exception::"
                                 "visit_exception - "
                                 "codegen for ctor failed\n"), -1);
            }
          delete visitor;
        }


      *os << be_nl
          << "// = TAO extension" << be_nl
          << "static CORBA::Exception *_alloc (void);" << be_nl
          << "virtual CORBA::TypeCode_ptr _type (void) const;" << be_uidt_nl
          << "}; // exception " << node->name ()
          << "\n" << be_nl;

      if (!node->is_local ())
        {
          // by using a visitor to declare and define the TypeCode, we
          // have the added advantage to conditionally not generate
          // any code. This will be based on the command line
          // options. This is still TO-DO
          be_visitor *visitor;
          be_visitor_context ctx (*this->ctx_);
          ctx.state (TAO_CodeGen::TAO_TYPECODE_DECL);
          visitor = tao_cg->make_visitor (&ctx);
          if (!visitor || (node->accept (visitor) == -1))
            {
              ACE_ERROR_RETURN ((LM_ERROR,
                                 "(%N:%l) be_visitor_exception_ch::"
                                 "visit_exception - "
                                 "TypeCode declaration failed\n"
                                 ), -1);
            }
        }

      os->gen_endif ();

      node->cli_hdr_gen (1);

    }
  return 0;
}