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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
|
// $Id$
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_operation.h"
ACE_RCSID(be_visitor_operation, be_visitor_operation_thru_poa_proxy_impl_ss, "$Id$")
// ************************************************************
// Operation visitor for client stubs
// ************************************************************
be_visitor_operation_thru_poa_proxy_impl_ss::be_visitor_operation_thru_poa_proxy_impl_ss (be_visitor_context *ctx)
: be_visitor_operation (ctx)
{
}
be_visitor_operation_thru_poa_proxy_impl_ss::~be_visitor_operation_thru_poa_proxy_impl_ss (void)
{
//No-Op.
}
int
be_visitor_operation_thru_poa_proxy_impl_ss::visit_operation (be_operation *node)
{
TAO_OutStream *os = this->ctx_->stream ();
// We need the interface node in which this operation was defined. However,
// if this operation node was an attribute node in disguise, we get this
// information from the context
be_interface *intf;
intf = this->ctx_->attribute ()
? be_interface::narrow_from_scope (this->ctx_->attribute ()->defined_in ())
: be_interface::narrow_from_scope (node->defined_in ());
if (!intf)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_thru_poa_collocated_ss::"
"visit_operation - "
"bad interface scope\n"),
-1);
}
// retrieve the operation return type
be_type *bt = be_type::narrow_from_decl (node->return_type ());
if (!bt)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_thru_poa_collocated_ss::"
"visit_operation - "
"Bad return type\n"),
-1);
}
// STEP 2: generate the return type mapping (same as in the header file)
be_visitor_context ctx (*this->ctx_);
ctx.state (TAO_CodeGen::TAO_OPERATION_RETTYPE_OTHERS);
be_visitor *visitor = tao_cg->make_visitor (&ctx);
if (!visitor)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_operation_thru_poa_collocated_ss::"
"visit_operation - "
"Bad visitor for return type\n"),
-1);
}
if (bt->accept (visitor) == -1)
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_thru_poa_collocated_ss::"
"visit_operation - "
"codegen for return type failed\n"),
-1);
}
delete visitor;
*os << " " << intf->full_thru_poa_proxy_impl_name () << "::";
*os << node->local_name ();
// STEP 4: generate the argument list with the appropriate mapping (same as
// in the header file)
ctx = *this->ctx_;
ctx.state (TAO_CodeGen::TAO_OPERATION_ARGLIST_PROXY_IMPL_XS);
visitor = tao_cg->make_visitor (&ctx);
if (!visitor)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_operation_ss::"
"visit_operation - "
"Bad visitor to return type\n"),
-1);
}
if (node->accept (visitor) == -1)
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_ss::"
"visit_operation - "
"codegen for argument list failed\n"),
-1);
}
delete visitor;
*os << "{" << be_idt << be_nl;
if (!be_global->exception_support ())
{
// Declare a return type
ctx = *this->ctx_;
ctx.state (TAO_CodeGen::TAO_OPERATION_RETVAL_DECL_SS);
visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (bt->accept (visitor) == -1))
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_thru_poa_collocated_ss::"
"visit_operation - "
"codegen for return var decl failed\n"),
-1);
}
if (!this->void_return_type (bt))
{
os->indent ();
*os << "ACE_UNUSED_ARG (";
ctx = *this->ctx_;
ctx.state (TAO_CodeGen::TAO_OPERATION_RETVAL_RETURN_CS);
visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (bt->accept (visitor) == -1))
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_thru_poa_collocated_ss::"
"gen_check_exception - "
"codegen failed\n"),
-1);
}
*os << ");" << be_nl;
}
}
// os->indent ();
*os <<"TAO_Object_Adapter::Servant_Upcall servant_upcall ("
<< be_idt << be_idt_nl
<< "_collocated_tao_target_->_stubobj ()->servant_orb_var ()->orb_core ()"
<< be_uidt_nl
<< ");" << be_uidt_nl
<< "CORBA::Object_var forward_to;" << be_nl
<< "servant_upcall.prepare_for_upcall (" << be_idt << be_idt_nl
<< "_collocated_tao_target_->_object_key ()," << be_nl
<< "\"" << node->original_local_name () << "\"," << be_nl
<< "forward_to.out ()";
if (!be_global->exception_support ())
*os << "," << be_nl
<< "ACE_TRY_ENV" << be_uidt_nl
<< ");" << be_nl << be_uidt;
else
*os << be_uidt_nl << ");" << be_uidt_nl;
// check if there is an exception
if (!be_global->exception_support ())
if (this->gen_check_exception (bt) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_thru_poa_collocated_ss::"
"visit_operation - "
"codegen for checking exception failed\n"),
-1);
}
os->indent ();
if (!this->void_return_type (bt))
{
*os << "return ";
}
*os << "ACE_reinterpret_cast (" << be_idt << be_idt_nl
<< intf->full_skel_name () << "_ptr," << be_nl
<< "servant_upcall.servant ()->_downcast (" << be_idt << be_idt_nl
<< "\"" << intf->repoID () << "\"" << be_uidt_nl
<< ")" << be_uidt << be_uidt_nl
<< ")" << be_uidt;
if (this->gen_invoke (ctx, node) == -1)
return -1;
if (this->void_return_type (bt))
{
*os << "return;\n";
}
*os << "}\n\n";
os->decr_indent (0);
return 0;
}
int
be_visitor_operation_thru_poa_proxy_impl_ss::gen_invoke (
be_visitor_context &ctx,
be_operation *node
)
{
TAO_OutStream *os = this->ctx_->stream ();
*os << "->" << node->local_name () << " ("
<< be_idt << be_idt << be_idt_nl;
ctx = *this->ctx_;
ctx.state (TAO_CodeGen::TAO_OPERATION_COLLOCATED_ARG_UPCALL_SS);
be_visitor *visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (node->accept (visitor) == -1))
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_thru_poa_collocated_ss::"
"gen_invoke - "
"codegen for making upcall failed\n"),
-1);
}
// End the upcall
*os << be_uidt_nl
<< ");";
// retrieve the operation return type
be_type *bt = be_type::narrow_from_decl (node->return_type ());
if (this->void_return_type (bt))
{
*os << be_uidt << be_uidt_nl;
}
else
{
*os << be_uidt << be_uidt << be_uidt_nl;
}
return 0;
}
int
be_visitor_operation_thru_poa_proxy_impl_ss::gen_check_exception (be_type *bt)
{
TAO_OutStream *os = this->ctx_->stream ();
os->indent ();
// check if there is an exception
if (!this->void_return_type (bt))
{
if (bt->size_type () == be_decl::VARIABLE
|| bt->base_node_type () == AST_Decl::NT_array)
{
*os << "ACE_CHECK_RETURN (0);" << be_nl;
}
else
{
*os << "ACE_CHECK_RETURN (_tao_retval);" << be_nl;
}
}
else
{
*os << "ACE_CHECK;" << be_nl;
}
return 0;
}
int
be_visitor_operation_thru_poa_proxy_impl_ss::void_return_type (be_type *bt)
{
// is the operation return type void?
if (bt->node_type () == AST_Decl::NT_pre_defined
&& (be_predefined_type::narrow_from_decl (bt)->pt ()
== AST_PredefinedType::PT_void))
return 1;
else
return 0;
}
|
