lubomir@319
|
1 |
/*
|
lubomir@319
|
2 |
* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
|
lubomir@319
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
lubomir@319
|
4 |
*
|
lubomir@319
|
5 |
* This code is free software; you can redistribute it and/or modify it
|
lubomir@319
|
6 |
* under the terms of the GNU General Public License version 2 only, as
|
lubomir@319
|
7 |
* published by the Free Software Foundation. Oracle designates this
|
lubomir@319
|
8 |
* particular file as subject to the "Classpath" exception as provided
|
lubomir@319
|
9 |
* by Oracle in the LICENSE file that accompanied this code.
|
lubomir@319
|
10 |
*
|
lubomir@319
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT
|
lubomir@319
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
lubomir@319
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
lubomir@319
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that
|
lubomir@319
|
15 |
* accompanied this code).
|
lubomir@319
|
16 |
*
|
lubomir@319
|
17 |
* You should have received a copy of the GNU General Public License version
|
lubomir@319
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation,
|
lubomir@319
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
lubomir@319
|
20 |
*
|
lubomir@319
|
21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
lubomir@319
|
22 |
* or visit www.oracle.com if you need additional information or have any
|
lubomir@319
|
23 |
* questions.
|
lubomir@319
|
24 |
*/
|
lubomir@319
|
25 |
|
lubomir@319
|
26 |
package org.apidesign.javap;
|
lubomir@319
|
27 |
|
lubomir@319
|
28 |
import static org.apidesign.javap.RuntimeConstants.ITEM_Bogus;
|
lubomir@319
|
29 |
import static org.apidesign.javap.RuntimeConstants.ITEM_Integer;
|
lubomir@319
|
30 |
import static org.apidesign.javap.RuntimeConstants.ITEM_Float;
|
lubomir@319
|
31 |
import static org.apidesign.javap.RuntimeConstants.ITEM_Double;
|
lubomir@319
|
32 |
import static org.apidesign.javap.RuntimeConstants.ITEM_Long;
|
lubomir@319
|
33 |
import static org.apidesign.javap.RuntimeConstants.ITEM_Null;
|
lubomir@319
|
34 |
import static org.apidesign.javap.RuntimeConstants.ITEM_InitObject;
|
lubomir@319
|
35 |
import static org.apidesign.javap.RuntimeConstants.ITEM_Object;
|
lubomir@319
|
36 |
import static org.apidesign.javap.RuntimeConstants.ITEM_NewObject;
|
lubomir@319
|
37 |
|
lubomir@319
|
38 |
public final class TypeArray {
|
lubomir@319
|
39 |
private static final int CAPACITY_INCREMENT = 16;
|
lubomir@319
|
40 |
|
lubomir@319
|
41 |
private int[] types;
|
lubomir@319
|
42 |
private int size;
|
lubomir@319
|
43 |
|
lubomir@319
|
44 |
public TypeArray() {
|
lubomir@319
|
45 |
}
|
lubomir@319
|
46 |
|
lubomir@319
|
47 |
public TypeArray(final TypeArray initialTypes) {
|
lubomir@319
|
48 |
setAll(initialTypes);
|
lubomir@319
|
49 |
}
|
lubomir@319
|
50 |
|
lubomir@319
|
51 |
public void add(final int newType) {
|
lubomir@319
|
52 |
ensureCapacity(size + 1);
|
lubomir@319
|
53 |
types[size++] = newType;
|
lubomir@319
|
54 |
}
|
lubomir@319
|
55 |
|
lubomir@319
|
56 |
public void addAll(final TypeArray newTypes) {
|
lubomir@319
|
57 |
addAll(newTypes.types, 0, newTypes.size);
|
lubomir@319
|
58 |
}
|
lubomir@319
|
59 |
|
lubomir@319
|
60 |
public void addAll(final int[] newTypes) {
|
lubomir@319
|
61 |
addAll(newTypes, 0, newTypes.length);
|
lubomir@319
|
62 |
}
|
lubomir@319
|
63 |
|
lubomir@319
|
64 |
public void addAll(final int[] newTypes,
|
lubomir@319
|
65 |
final int offset,
|
lubomir@319
|
66 |
final int count) {
|
lubomir@319
|
67 |
if (count > 0) {
|
lubomir@319
|
68 |
ensureCapacity(size + count);
|
lubomir@319
|
69 |
arraycopy(newTypes, offset, types, size, count);
|
lubomir@319
|
70 |
size += count;
|
lubomir@319
|
71 |
}
|
lubomir@319
|
72 |
}
|
lubomir@319
|
73 |
|
lubomir@319
|
74 |
public void set(final int index, final int newType) {
|
lubomir@319
|
75 |
types[index] = newType;
|
lubomir@319
|
76 |
}
|
lubomir@319
|
77 |
|
lubomir@319
|
78 |
public void setAll(final TypeArray newTypes) {
|
lubomir@319
|
79 |
setAll(newTypes.types, 0, newTypes.size);
|
lubomir@319
|
80 |
}
|
lubomir@319
|
81 |
|
lubomir@319
|
82 |
public void setAll(final int[] newTypes) {
|
lubomir@319
|
83 |
setAll(newTypes, 0, newTypes.length);
|
lubomir@319
|
84 |
}
|
lubomir@319
|
85 |
|
lubomir@319
|
86 |
public void setAll(final int[] newTypes,
|
lubomir@319
|
87 |
final int offset,
|
lubomir@319
|
88 |
final int count) {
|
lubomir@319
|
89 |
if (count > 0) {
|
lubomir@319
|
90 |
ensureCapacity(count);
|
lubomir@319
|
91 |
arraycopy(newTypes, offset, types, 0, count);
|
lubomir@319
|
92 |
size = count;
|
lubomir@319
|
93 |
} else {
|
lubomir@319
|
94 |
clear();
|
lubomir@319
|
95 |
}
|
lubomir@319
|
96 |
}
|
lubomir@319
|
97 |
|
lubomir@319
|
98 |
public void setSize(final int newSize) {
|
lubomir@319
|
99 |
if (size != newSize) {
|
lubomir@319
|
100 |
ensureCapacity(newSize);
|
lubomir@319
|
101 |
|
lubomir@319
|
102 |
for (int i = size; i < newSize; ++i) {
|
lubomir@319
|
103 |
types[i] = 0;
|
lubomir@319
|
104 |
}
|
lubomir@319
|
105 |
size = newSize;
|
lubomir@319
|
106 |
}
|
lubomir@319
|
107 |
}
|
lubomir@319
|
108 |
|
lubomir@319
|
109 |
public void clear() {
|
lubomir@319
|
110 |
size = 0;
|
lubomir@319
|
111 |
}
|
lubomir@319
|
112 |
|
lubomir@319
|
113 |
public int getSize() {
|
lubomir@319
|
114 |
return size;
|
lubomir@319
|
115 |
}
|
lubomir@319
|
116 |
|
lubomir@319
|
117 |
public int get(final int index) {
|
lubomir@319
|
118 |
return types[index];
|
lubomir@319
|
119 |
}
|
lubomir@319
|
120 |
|
lubomir@319
|
121 |
public static String typeString(final int type) {
|
lubomir@319
|
122 |
switch (type & 0xff) {
|
lubomir@319
|
123 |
case ITEM_Bogus:
|
lubomir@319
|
124 |
return "_top_";
|
lubomir@319
|
125 |
case ITEM_Integer:
|
lubomir@319
|
126 |
return "_int_";
|
lubomir@319
|
127 |
case ITEM_Float:
|
lubomir@319
|
128 |
return "_float_";
|
lubomir@319
|
129 |
case ITEM_Double:
|
lubomir@319
|
130 |
return "_double_";
|
lubomir@319
|
131 |
case ITEM_Long:
|
lubomir@319
|
132 |
return "_long_";
|
lubomir@319
|
133 |
case ITEM_Null:
|
lubomir@319
|
134 |
return "_null_";
|
lubomir@319
|
135 |
case ITEM_InitObject: // UninitializedThis
|
lubomir@319
|
136 |
return "_init_";
|
lubomir@319
|
137 |
case ITEM_Object:
|
lubomir@319
|
138 |
return "_object_";
|
lubomir@319
|
139 |
case ITEM_NewObject: // Uninitialized
|
lubomir@319
|
140 |
return "_new_";
|
lubomir@319
|
141 |
default:
|
lubomir@319
|
142 |
throw new IllegalArgumentException("Unknown type");
|
lubomir@319
|
143 |
}
|
lubomir@319
|
144 |
}
|
lubomir@319
|
145 |
|
lubomir@319
|
146 |
@Override
|
lubomir@319
|
147 |
public String toString() {
|
lubomir@319
|
148 |
final StringBuilder sb = new StringBuilder("[");
|
lubomir@319
|
149 |
if (size > 0) {
|
lubomir@319
|
150 |
sb.append(typeString(types[0]));
|
lubomir@319
|
151 |
for (int i = 1; i < size; ++i) {
|
lubomir@319
|
152 |
sb.append(", ");
|
lubomir@319
|
153 |
sb.append(typeString(types[i]));
|
lubomir@319
|
154 |
}
|
lubomir@319
|
155 |
}
|
lubomir@319
|
156 |
|
lubomir@319
|
157 |
return sb.append(']').toString();
|
lubomir@319
|
158 |
}
|
lubomir@319
|
159 |
|
lubomir@319
|
160 |
private void ensureCapacity(final int minCapacity) {
|
lubomir@319
|
161 |
if ((minCapacity == 0)
|
lubomir@319
|
162 |
|| (types != null) && (minCapacity <= types.length)) {
|
lubomir@319
|
163 |
return;
|
lubomir@319
|
164 |
}
|
lubomir@319
|
165 |
|
lubomir@319
|
166 |
final int newCapacity =
|
lubomir@319
|
167 |
((minCapacity + CAPACITY_INCREMENT - 1) / CAPACITY_INCREMENT)
|
lubomir@319
|
168 |
* CAPACITY_INCREMENT;
|
lubomir@319
|
169 |
final int[] newTypes = new int[newCapacity];
|
lubomir@319
|
170 |
|
lubomir@319
|
171 |
if (size > 0) {
|
lubomir@319
|
172 |
arraycopy(types, 0, newTypes, 0, size);
|
lubomir@319
|
173 |
}
|
lubomir@319
|
174 |
|
lubomir@319
|
175 |
types = newTypes;
|
lubomir@319
|
176 |
}
|
lubomir@319
|
177 |
|
lubomir@319
|
178 |
// no System.arraycopy
|
lubomir@319
|
179 |
private void arraycopy(final int[] src, final int srcPos,
|
lubomir@319
|
180 |
final int[] dest, final int destPos,
|
lubomir@319
|
181 |
final int length) {
|
lubomir@319
|
182 |
for (int i = 0; i < length; ++i) {
|
lubomir@319
|
183 |
dest[destPos + i] = src[srcPos + i];
|
lubomir@319
|
184 |
}
|
lubomir@319
|
185 |
}
|
lubomir@319
|
186 |
}
|