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
|
/* -*- c++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// be_operation_strategy.h
//
// = DESCRIPTION
// Strategy to cover differences between operations, e.g.
// the sendc_ and raise_ operations in the AMI spec.
//
// = AUTHOR
// Michael Kircher
//
// ============================================================================
#ifndef TAO_BE_OPERATION_STRATEGY_H
#define TAO_BE_OPERATION_STRATEGY_H
#include "be_codegen.h"
class be_operation;
// Base class for operation level strategeis
class be_operation_strategy
{
public:
enum Strategy_Kind {
DEFAULT = 0,
AMI_SENDC,
AMI_HANDLER_REPLY_STUB,
AMI_EXCEPTION_HOLDER_RAISE
};
be_operation_strategy (be_operation *node,
Strategy_Kind strategy_type);
virtual ~be_operation_strategy ();
int strategy_type ();
// Return the type of the strategy.
virtual TAO_CodeGen::CG_STATE next_state (TAO_CodeGen::CG_STATE current_state,
int is_extra_state = 0) = 0;
// Change the sate if necessary
virtual int has_extra_code_generation (TAO_CodeGen::CG_STATE current_state);
// returns true if we have to genrate extra code.
virtual be_operation *marshaling ();
// returns the operation containing special marshaling information,
// this makes sense if not all arguments get marshaled, e.g. AMI
// sendc_ operations
virtual be_operation *arguments ();
// returns a customized arguments list, e.g. AMI sendc_ operations
// only use the in and inout arguments but not the out arguments,
// also the first argument is the reply handler.
protected:
be_operation *node_;
// The node we strategize
Strategy_Kind strategy_type_;
// the type of strategy
};
// Default (do nothing) strategy for operations
class be_operation_default_strategy
: public be_operation_strategy
{
public:
be_operation_default_strategy (be_operation *node);
virtual ~be_operation_default_strategy ();
// overridden methods.
TAO_CodeGen::CG_STATE next_state (TAO_CodeGen::CG_STATE current_state,
int is_extra_state = 0);
};
// Strategy to mark normal reply handler operations
// in order to have them generate the reply stub
// alias client skeleton for AMI
class be_operation_ami_handler_reply_stub_strategy
: public be_operation_strategy
{
public:
be_operation_ami_handler_reply_stub_strategy (be_operation *node);
virtual ~be_operation_ami_handler_reply_stub_strategy ();
// overridden methods.
TAO_CodeGen::CG_STATE next_state (TAO_CodeGen::CG_STATE current_state,
int is_extra_state = 0);
virtual int has_extra_code_generation (TAO_CodeGen::CG_STATE current_state);
// returns true if we have to genrate extra code.
};
// Strategy to mark normal sendc_ operations
// in AMI mode.
class be_operation_ami_sendc_strategy
: public be_operation_strategy
{
public:
be_operation_ami_sendc_strategy (be_operation *node,
be_operation *marshaling,
be_operation *arguments);
virtual ~be_operation_ami_sendc_strategy ();
// overridden methods.
TAO_CodeGen::CG_STATE next_state (TAO_CodeGen::CG_STATE current_state,
int is_extra_state = 0);
virtual int has_extra_code_generation (TAO_CodeGen::CG_STATE current_state);
// returns true if we have to genrate extra code.
virtual be_operation *marshaling ();
// returns the operation containing special marshaling information,
// this makes sense if not all arguments get marshaled, e.g. AMI
// sendc_ operations
virtual be_operation *arguments ();
// returns a customized arguments list, e.g. AMI sendc_ operations
// only use the in and inout arguments but not the out arguments,
// also the first argument is the reply handler.
private:
be_operation *marshaling_;
be_operation *arguments_;
};
// Strategy for raise operations in the AMI exception
// holder valuetype.
class be_operation_ami_exception_holder_raise_strategy
: public be_operation_strategy
{
public:
be_operation_ami_exception_holder_raise_strategy (be_operation *node);
virtual ~be_operation_ami_exception_holder_raise_strategy ();
// overridden methods.
virtual TAO_CodeGen::CG_STATE next_state (TAO_CodeGen::CG_STATE current_state,
int is_extra_state = 0);
};
#endif // if !defined
|
