1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation. Oracle designates this
7 * particular file as subject to the "Classpath" exception as provided
8 * by Oracle in the LICENSE file that accompanied this code.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 */
24
25 /*
26 * This file is available under and governed by the GNU General Public
27 * License version 2 only, as published by the Free Software Foundation.
28 * However, the following notice accompanied the original version of this
29 * file:
30 *
31 * ASM: a very small and fast Java bytecode manipulation framework
32 * Copyright (c) 2000-2011 INRIA, France Telecom
33 * All rights reserved.
34 *
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
37 * are met:
38 * 1. Redistributions of source code must retain the above copyright
39 * notice, this list of conditions and the following disclaimer.
40 * 2. Redistributions in binary form must reproduce the above copyright
41 * notice, this list of conditions and the following disclaimer in the
42 * documentation and/or other materials provided with the distribution.
43 * 3. Neither the name of the copyright holders nor the names of its
44 * contributors may be used to endorse or promote products derived from
45 * this software without specific prior written permission.
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
48 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
51 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
52 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
53 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
54 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
55 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
56 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
57 * THE POSSIBILITY OF SUCH DAMAGE.
58 */
59
60 package jdk.internal.org.objectweb.asm;
61
62 /**
63 * Information about a class being parsed in a {@link ClassReader}.
64 *
65 * @author Eric Bruneton
66 */
67 class Context {
68
69 /**
70 * Prototypes of the attributes that must be parsed for this class.
71 */
72 Attribute[] attrs;
73
74 /**
75 * The {@link ClassReader} option flags for the parsing of this class.
76 */
77 int flags;
78
79 /**
80 * The buffer used to read strings.
81 */
82 char[] buffer;
83
84 /**
85 * The start index of each bootstrap method.
86 */
87 int[] bootstrapMethods;
88
89 /**
90 * The access flags of the method currently being parsed.
91 */
92 int access;
93
94 /**
95 * The name of the method currently being parsed.
96 */
97 String name;
98
99 /**
100 * The descriptor of the method currently being parsed.
101 */
102 String desc;
103
104 /**
105 * The label objects, indexed by bytecode offset, of the method currently
106 * being parsed (only bytecode offsets for which a label is needed have a
107 * non null associated Label object).
108 */
109 Label[] labels;
110
111 /**
112 * The target of the type annotation currently being parsed.
113 */
114 int typeRef;
115
116 /**
117 * The path of the type annotation currently being parsed.
118 */
119 TypePath typePath;
120
121 /**
122 * The offset of the latest stack map frame that has been parsed.
123 */
124 int offset;
125
126 /**
127 * The labels corresponding to the start of the local variable ranges in the
128 * local variable type annotation currently being parsed.
129 */
130 Label[] start;
131
132 /**
133 * The labels corresponding to the end of the local variable ranges in the
134 * local variable type annotation currently being parsed.
135 */
136 Label[] end;
137
138 /**
139 * The local variable indices for each local variable range in the local
140 * variable type annotation currently being parsed.
141 */
142 int[] index;
143
144 /**
145 * The encoding of the latest stack map frame that has been parsed.
146 */
147 int mode;
148
149 /**
150 * The number of locals in the latest stack map frame that has been parsed.
151 */
152 int localCount;
153
154 /**
155 * The number locals in the latest stack map frame that has been parsed,
156 * minus the number of locals in the previous frame.
157 */
158 int localDiff;
159
160 /**
161 * The local values of the latest stack map frame that has been parsed.
162 */
163 Object[] local;
164
165 /**
166 * The stack size of the latest stack map frame that has been parsed.
167 */
168 int stackCount;
169
170 /**
171 * The stack values of the latest stack map frame that has been parsed.
172 */
173 Object[] stack;
174 }