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
|
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// be_union_branch.cpp
//
// = DESCRIPTION
// Extension of class AST_UnionBranch that provides additional means for C++
// mapping.
//
// = AUTHOR
// Copyright 1994-1995 by Sun Microsystems, Inc.
// and
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
ACE_RCSID(be, be_union_branch, "$Id$")
/*
* BE_UnionBranch
*/
be_union_branch::be_union_branch (void)
{
}
be_union_branch::be_union_branch (AST_UnionLabel *lab, AST_Type *ft,
UTL_ScopedName *n, UTL_StrList *p)
: AST_UnionBranch (lab, ft, n, p),
AST_Field (AST_Decl::NT_union_branch, ft, n, p),
AST_Decl (AST_Decl::NT_union_branch, n, p)
{
}
int
be_union_branch::gen_encapsulation (void)
{
TAO_OutStream *cs; // output stream
TAO_NL nl; // end line
TAO_CodeGen *cg = TAO_CODEGEN::instance ();
be_type *bt; // our type node
long i, arrlen;
long *arr; // an array holding string names converted to array of longs
cs = cg->client_stubs ();
cs->indent (); // start from whatever indentation level we were at
// emit the case label value
*cs << this->label ()->label_val ();
*cs << ", // union case label (evaluated)" << nl;
// emit name
*cs << (ACE_OS::strlen (this->local_name ()->get_string ())+1) << ", ";
(void)this->tc_name2long(this->local_name ()->get_string (), arr, arrlen);
for (i=0; i < arrlen; i++)
{
cs->print ("ACE_NTOHL (0x%x), ", arr[i]);
}
*cs << " // name = " << this->local_name () << "\n";
// hand over code generation to our type node
bt = be_type::narrow_from_decl (this->field_type ());
if (!bt)
return -1;
return bt->gen_typecode ();
}
long
be_union_branch::tc_encap_len (void)
{
if (this->encap_len_ == -1)
{
be_type *bt;
this->encap_len_ = 4; // case label;
this->encap_len_ += this->name_encap_len (); // for name
bt = be_type::narrow_from_decl (this->field_type ());
if (!bt)
{
ACE_ERROR ((LM_ERROR, "be_union_branch: bad field type\n"));
return -1;
}
this->encap_len_ += bt->tc_size (); // note that we add the typecode size
// of the type
}
return this->encap_len_;
}
// compute the size type of the node in question
int
be_union_branch::compute_size_type (void)
{
be_type *type = be_type::narrow_from_decl (this->field_type ());
if (!type)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_field::compute_size_type - "
"bad field type\n"), -1);
}
// our size type is the same as our type
this->size_type (type->size_type ()); // as a side effect will also update
// the size type of parent
return 0;
}
int
be_union_branch::accept (be_visitor *visitor)
{
return visitor->visit_union_branch (this);
}
// Narrowing
IMPL_NARROW_METHODS2 (be_union_branch, AST_UnionBranch, be_decl)
IMPL_NARROW_FROM_DECL (be_union_branch)
|
