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
|
/*
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Branched from the original class that was also contributed to the
* org.apache.axis.tools.common package.
*
*/
package org.apache.tuscany.sca.cpp.tools.common;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* A parameter from a method signature. The parameter is the datatype plus its
* name but not its value.
*/
public class Parameter {
private ArrayList type = new ArrayList();
private String name = null;
private boolean failed = false;
/**
* Defaults to a parameter in a parameter list so it HAS a parameter name in
* it
*/
Parameter(List parts) {
this(parts, false);
}
/**
* A parameter which is a return type does not have a parameter name.
* Parameters in a parameter list do have parameter names embedded in them
*/
Parameter(List parts, boolean isRetType) {
if (parts == null || parts.size() == 0)
return;
// Tuscany: The original code below from apache axis blocks int
// getCustomer(long)
// i.e. no spaces in parameter list.
// We do not need to deal with "..." as parameters to SCS methods.
//
// if (!isRetType && parts.size() == 1) {
// if ("...".equals(parts.get(0))) {
// type.add("...");
// name = "";
// } else if (!"void".equals(parts.get(0)))
// failed = true; // Seems like bad C++ code here
// return;
// }
if (isRetType) {
Iterator it = parts.iterator();
while (it.hasNext())
type.add(it.next());
// Some methods return have void on their signature and others
// have nothing. So to make them both the same, if a method
// doesn't return anything make type null.
// TODO: This assumption is wrong - methods that return nothing
// default to returning an int!
if (1 == type.size() && "void".equals(type.get(0)))
type = new ArrayList();
} else {
// Cope with array subscripts [] after the name
int arrIdx = -1;
for (int i = 0; i < parts.size(); i++) {
String tok = (String) parts.get(i);
if ("[".equals(tok)) {
arrIdx = i;
break;
}
}
// Find the name
int nameIdx = parts.size() - 1;
if (-1 != arrIdx)
nameIdx = arrIdx - 1;
// Even in real method declarations, parameters may not have a name
boolean noName = false;
name = (String) parts.get(nameIdx);
// Tuscany: The original code below from apache axis
// was updated to work with signatures of
// the form fn(int) a non-named, no-space, parameter list.
// if (Utils.cPrimitives.contains(name) ||
// Utils.cTypeQualifiers.contains(name) )
//
if (Utils.cPrimitives.contains(name)
|| Utils.cTypeQualifiers.contains(name)
|| parts.size() == 1)
noName = true;
if (noName) {
name = null;
for (int i = 0; i < parts.size(); i++)
type.add(parts.get(i));
} else {
// Construct the type
for (int i = 0; i < nameIdx; i++)
type.add(parts.get(i));
if (-1 != arrIdx)
for (int i = arrIdx; i < parts.size(); i++)
type.add(parts.get(i));
}
}
}
public boolean failed() {
return failed;
}
public String getType() {
String s = null;
Iterator it = type.iterator();
while (it.hasNext()) {
String next = (String) it.next();
if (null == s)
s = next;
else if ("*".equals(next) || "&".equals(next))
s += next;
else
s += " " + next;
}
return s;
}
public String getTypeWithoutConst() {
String s = null;
Iterator it = type.iterator();
while (it.hasNext()) {
String next = (String) it.next();
if ("const".equals(next))
continue;
else if (null == s)
s = next;
else if ("*".equals(next) || "&".equals(next))
s += next;
else
s += " " + next;
}
return s;
}
public String getName() {
return name;
}
public boolean isVoid() {
return 0 == type.size();
}
public boolean isDotDotDot() {
return 1 == type.size() && "...".equals(type.get(0));
}
/**
* For two parameters to match their types must match or both be null, but
* the parameters names don't have to match. Just because a parameter is
* called something different in a header file as in the the source file
* doesn't mean it's a different parameter.
*/
public boolean equals(Object o) {
if (null == o || !(o instanceof Parameter))
return false;
Parameter that = (Parameter) o;
if (type.size() != that.type.size())
return false;
for (int i = 0; i < type.size(); i++) {
String s1 = (String) type.get(i);
String s2 = (String) that.type.get(i);
if (!Utils.safeEquals(s1, s2))
return false;
}
return true;
}
public String toString() {
if (0 == type.size())
return "void";
if (null == name)
return getType();
return getType() + " " + name;
}
public Iterator iterator() {
if (null == type)
return null;
return type.iterator();
}
}
|
