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
|
//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// any_op_cs.cpp
//
// = DESCRIPTION
// Visitor generating code for Any operators for structures
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_structure.h"
ACE_RCSID(be_visitor_structure, any_op_cs, "$Id$")
// ***************************************************************************
// Structure visitor for generating Any operator declarations in the client
// stubs file
// ***************************************************************************
be_visitor_structure_any_op_cs::be_visitor_structure_any_op_cs
(be_visitor_context *ctx)
: be_visitor_structure (ctx)
{
}
be_visitor_structure_any_op_cs::~be_visitor_structure_any_op_cs (void)
{
}
int
be_visitor_structure_any_op_cs::visit_structure (be_structure *node)
{
if (node->cli_stub_any_op_gen () || node->imported ())
return 0;
TAO_OutStream *os = this->ctx_->stream ();
// generate the Any <<= and >>= operator declarations
// Any <<= and >>= operators
os->indent ();
*os << "void operator<<= (CORBA::Any &_tao_any, const "
<< node->name () << " &_tao_elem) // copying" << be_nl
<< "{" << be_idt_nl
<< node->name () << " *_any_val;" << be_nl
<< "ACE_NEW (_any_val, " << node->name () << " (_tao_elem));" << be_nl
<< "if (!_any_val) return;" << be_nl
<< "ACE_TRY_NEW_ENV" << be_nl
<< "{" << be_idt_nl
<< "_tao_any.replace (" << node->tc_name ()
<< ", _any_val, 1, ACE_TRY_ENV);" << " // copy the value" << be_nl
<< "ACE_TRY_CHECK;" << be_uidt_nl
<< "}" << be_nl
<< "ACE_CATCHANY" << be_nl
<< "{" << be_idt_nl
<< "delete _any_val;" << be_uidt_nl
<< "}" << be_nl
<< "ACE_ENDTRY;" << be_uidt_nl
<< "}\n" << be_nl;
*os << "void operator<<= (CORBA::Any &_tao_any, "
<< node->name () << " *_tao_elem) // non copying" << be_nl
<< "{" << be_idt_nl
<< "ACE_TRY_NEW_ENV" << be_nl
<< "{" << be_idt_nl
<< "_tao_any.replace (" << node->tc_name () << ", "
<< "_tao_elem, 1, ACE_TRY_ENV); // consume it" << be_nl
<< "ACE_TRY_CHECK;" << be_uidt_nl
<< "}" << be_nl
<< "ACE_CATCHANY {}" << be_nl
<< "ACE_ENDTRY;" << be_uidt_nl
<< "}\n" << be_nl;
*os << "CORBA::Boolean operator>>= (const CORBA::Any &_tao_any, "
<< node->name () << " *&_tao_elem)" << be_nl
<< "{" << be_idt_nl
<< "ACE_TRY_NEW_ENV" << be_nl
<< "{" << be_idt_nl
<< "CORBA::TypeCode_var type = _tao_any.type ();" << be_nl
<< "if (!type->equal (" << node->tc_name ()
<< ", ACE_TRY_ENV)) return 0; // not equal" << be_nl
<< "ACE_TRY_CHECK;" << be_nl
<< "if (_tao_any.any_owns_data ())" << be_nl
<< "{" << be_idt_nl
<< "_tao_elem = (" << node->name () << " *)_tao_any.value ();"
<< be_nl
<< "return 1;" << be_nl
<< "}" << be_uidt_nl
<< "else" << be_nl // else any does not own the data
<< "{" << be_idt_nl
<< "ACE_NEW_RETURN (_tao_elem, " << node->name () << ", 0);"
<< be_nl
<< "TAO_InputCDR stream (_tao_any._tao_get_cdr ());"
<< be_nl
<< "if (stream.decode (" << node->tc_name ()
<< ", _tao_elem, 0, ACE_TRY_ENV)" << be_nl
<< " == CORBA::TypeCode::TRAVERSE_CONTINUE)" << be_nl
<< "{" << be_idt_nl
<< "((CORBA::Any *)&_tao_any)->replace ("
<< node->tc_name () << ", _tao_elem, 1, ACE_TRY_ENV);" << be_nl
<< "ACE_TRY_CHECK;" << be_nl
<< "return 1;" << be_uidt_nl
<< "}" << be_nl
<< "else" << be_nl
<< "{" << be_idt_nl
<< "delete _tao_elem;" << be_uidt_nl
<< "}" << be_uidt_nl
<< "}" << be_uidt_nl
<< "}" << be_nl
<< "ACE_CATCHANY" << be_nl
<< "{" << be_idt_nl
<< "delete _tao_elem;" << be_nl
<< "return 0; " << be_uidt_nl
<< "}" << be_nl
<< "ACE_ENDTRY;" << be_nl
<< "return 0;" << be_uidt_nl
<< "}\n\n";
// all we have to do is to visit the scope and generate code
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_structure::visit_structure - "
"codegen for scope failed\n"), -1);
}
node->cli_stub_any_op_gen (1);
return 0;
}
int
be_visitor_structure_any_op_cs::visit_field (be_field *node)
{
be_type *bt; // field's type
// first generate the type information
bt = be_type::narrow_from_decl (node->field_type ());
if (!bt)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_structure_any_op_cs::"
"visit_field - "
"Bad field type\n"
), -1);
}
if (bt->accept (this) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_structure_any_op_cs::"
"visit_field - "
"codegen for field type failed\n"
), -1);
}
return 0;
}
|
