Thu, 31 Aug 2017 15:17:03 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | package org.openjdk.tests.separate; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import java.io.*; |
aoqi@0 | 29 | import java.util.*; |
aoqi@0 | 30 | |
aoqi@0 | 31 | class CfInputStream extends ByteArrayInputStream { |
aoqi@0 | 32 | private int ct; |
aoqi@0 | 33 | public CfInputStream(byte[] input) { |
aoqi@0 | 34 | super(input); |
aoqi@0 | 35 | } |
aoqi@0 | 36 | |
aoqi@0 | 37 | byte u1() { return (byte)read(); } |
aoqi@0 | 38 | short u2() { |
aoqi@0 | 39 | int b0 = read() << 8; |
aoqi@0 | 40 | int b1 = read(); |
aoqi@0 | 41 | return (short)(b0 | b1); |
aoqi@0 | 42 | } |
aoqi@0 | 43 | int u4() { |
aoqi@0 | 44 | int b0 = read() << 24; |
aoqi@0 | 45 | int b1 = read() << 16; |
aoqi@0 | 46 | int b2 = read() << 8; |
aoqi@0 | 47 | int b3 = read(); |
aoqi@0 | 48 | return b0 | b1 | b2 | b3; |
aoqi@0 | 49 | } |
aoqi@0 | 50 | byte[] array(int count) { |
aoqi@0 | 51 | byte[] ret = new byte[count]; |
aoqi@0 | 52 | read(ret, 0, count); |
aoqi@0 | 53 | return ret; |
aoqi@0 | 54 | } |
aoqi@0 | 55 | }; |
aoqi@0 | 56 | |
aoqi@0 | 57 | class CfOutputStream extends ByteArrayOutputStream { |
aoqi@0 | 58 | void u1(byte b) { write((int)b); } |
aoqi@0 | 59 | void u2(short s) { |
aoqi@0 | 60 | write((s >> 8) & 0xff); |
aoqi@0 | 61 | write(s & 0xff); |
aoqi@0 | 62 | } |
aoqi@0 | 63 | void u4(int i) { |
aoqi@0 | 64 | write((i >> 24) & 0xff); |
aoqi@0 | 65 | write((i >> 16) & 0xff); |
aoqi@0 | 66 | write((i >> 8) & 0xff); |
aoqi@0 | 67 | write(i & 0xff); |
aoqi@0 | 68 | } |
aoqi@0 | 69 | void array(byte[] a) { |
aoqi@0 | 70 | write(a, 0, a.length); |
aoqi@0 | 71 | } |
aoqi@0 | 72 | |
aoqi@0 | 73 | public byte[] toByteArray() { return super.toByteArray(); } |
aoqi@0 | 74 | }; |
aoqi@0 | 75 | |
aoqi@0 | 76 | // A quick and dirty class file parser and representation |
aoqi@0 | 77 | public class ClassFile { |
aoqi@0 | 78 | |
aoqi@0 | 79 | int magic; |
aoqi@0 | 80 | short minor_version; |
aoqi@0 | 81 | short major_version; |
aoqi@0 | 82 | ArrayList<CpEntry> constant_pool; |
aoqi@0 | 83 | short access_flags; |
aoqi@0 | 84 | short this_class; |
aoqi@0 | 85 | short super_class; |
aoqi@0 | 86 | ArrayList<Interface> interfaces; |
aoqi@0 | 87 | ArrayList<Field> fields; |
aoqi@0 | 88 | ArrayList<Method> methods; |
aoqi@0 | 89 | ArrayList<Attribute> attributes; |
aoqi@0 | 90 | |
aoqi@0 | 91 | ClassFile(byte[] cf) { |
aoqi@0 | 92 | CfInputStream in = new CfInputStream(cf); |
aoqi@0 | 93 | |
aoqi@0 | 94 | magic = in.u4(); |
aoqi@0 | 95 | minor_version = in.u2(); |
aoqi@0 | 96 | major_version = in.u2(); |
aoqi@0 | 97 | |
aoqi@0 | 98 | short cpCount = in.u2(); |
aoqi@0 | 99 | constant_pool = new ArrayList<>(); |
aoqi@0 | 100 | constant_pool.add(new CpNull()); |
aoqi@0 | 101 | for (int i = 1; i < cpCount; ++i) { |
aoqi@0 | 102 | constant_pool.add(CpEntry.newCpEntry(in)); |
aoqi@0 | 103 | } |
aoqi@0 | 104 | |
aoqi@0 | 105 | access_flags = in.u2(); |
aoqi@0 | 106 | this_class = in.u2(); |
aoqi@0 | 107 | super_class = in.u2(); |
aoqi@0 | 108 | |
aoqi@0 | 109 | short ifaceCount = in.u2(); |
aoqi@0 | 110 | interfaces = new ArrayList<>(); |
aoqi@0 | 111 | for (int i = 0; i < ifaceCount; ++i) { |
aoqi@0 | 112 | interfaces.add(new Interface(in)); |
aoqi@0 | 113 | } |
aoqi@0 | 114 | |
aoqi@0 | 115 | short fieldCount = in.u2(); |
aoqi@0 | 116 | fields = new ArrayList<>(); |
aoqi@0 | 117 | for (int i = 0; i < fieldCount; ++i) { |
aoqi@0 | 118 | fields.add(new Field(in)); |
aoqi@0 | 119 | } |
aoqi@0 | 120 | |
aoqi@0 | 121 | short methodCount = in.u2(); |
aoqi@0 | 122 | methods = new ArrayList<>(); |
aoqi@0 | 123 | for (int i = 0; i < methodCount; ++i) { |
aoqi@0 | 124 | methods.add(new Method(in)); |
aoqi@0 | 125 | } |
aoqi@0 | 126 | |
aoqi@0 | 127 | short attributeCount = in.u2(); |
aoqi@0 | 128 | attributes = new ArrayList<>(); |
aoqi@0 | 129 | for (int i = 0; i < attributeCount; ++i) { |
aoqi@0 | 130 | attributes.add(new Attribute(in)); |
aoqi@0 | 131 | } |
aoqi@0 | 132 | } |
aoqi@0 | 133 | |
aoqi@0 | 134 | byte[] toByteArray() { |
aoqi@0 | 135 | CfOutputStream out = new CfOutputStream(); |
aoqi@0 | 136 | |
aoqi@0 | 137 | out.u4(magic); |
aoqi@0 | 138 | out.u2(minor_version); |
aoqi@0 | 139 | out.u2(major_version); |
aoqi@0 | 140 | |
aoqi@0 | 141 | out.u2((short)(constant_pool.size())); |
aoqi@0 | 142 | for (CpEntry cp : constant_pool) { |
aoqi@0 | 143 | cp.write(out); |
aoqi@0 | 144 | } |
aoqi@0 | 145 | |
aoqi@0 | 146 | out.u2(access_flags); |
aoqi@0 | 147 | out.u2(this_class); |
aoqi@0 | 148 | out.u2(super_class); |
aoqi@0 | 149 | |
aoqi@0 | 150 | out.u2((short)interfaces.size()); |
aoqi@0 | 151 | for (Interface iface : interfaces) { |
aoqi@0 | 152 | iface.write(out); |
aoqi@0 | 153 | } |
aoqi@0 | 154 | |
aoqi@0 | 155 | out.u2((short)fields.size()); |
aoqi@0 | 156 | for (Field field : fields) { |
aoqi@0 | 157 | field.write(out); |
aoqi@0 | 158 | } |
aoqi@0 | 159 | |
aoqi@0 | 160 | out.u2((short)methods.size()); |
aoqi@0 | 161 | for (Method method : methods) { |
aoqi@0 | 162 | method.write(out); |
aoqi@0 | 163 | } |
aoqi@0 | 164 | |
aoqi@0 | 165 | out.u2((short)attributes.size()); |
aoqi@0 | 166 | for (Attribute attribute : attributes) { |
aoqi@0 | 167 | attribute.write(out); |
aoqi@0 | 168 | } |
aoqi@0 | 169 | |
aoqi@0 | 170 | return out.toByteArray(); |
aoqi@0 | 171 | } |
aoqi@0 | 172 | |
aoqi@0 | 173 | static abstract class CpEntry { |
aoqi@0 | 174 | byte tag; |
aoqi@0 | 175 | |
aoqi@0 | 176 | CpEntry(byte t) { tag = t; } |
aoqi@0 | 177 | void write(CfOutputStream out) { |
aoqi@0 | 178 | out.u1(tag); |
aoqi@0 | 179 | } |
aoqi@0 | 180 | |
aoqi@0 | 181 | static CpEntry newCpEntry(CfInputStream in) { |
aoqi@0 | 182 | byte tag = in.u1(); |
aoqi@0 | 183 | switch (tag) { |
aoqi@0 | 184 | case CpUtf8.TAG: return new CpUtf8(in); |
aoqi@0 | 185 | case CpInteger.TAG: return new CpInteger(in); |
aoqi@0 | 186 | case CpFloat.TAG: return new CpFloat(in); |
aoqi@0 | 187 | case CpLong.TAG: return new CpLong(in); |
aoqi@0 | 188 | case CpDouble.TAG: return new CpDouble(in); |
aoqi@0 | 189 | case CpClass.TAG: return new CpClass(in); |
aoqi@0 | 190 | case CpString.TAG: return new CpString(in); |
aoqi@0 | 191 | case CpFieldRef.TAG: return new CpFieldRef(in); |
aoqi@0 | 192 | case CpMethodRef.TAG: return new CpMethodRef(in); |
aoqi@0 | 193 | case CpInterfaceMethodRef.TAG: |
aoqi@0 | 194 | return new CpInterfaceMethodRef(in); |
aoqi@0 | 195 | case CpNameAndType.TAG: return new CpNameAndType(in); |
aoqi@0 | 196 | case CpMethodHandle.TAG: return new CpMethodHandle(in); |
aoqi@0 | 197 | case CpMethodType.TAG: return new CpMethodType(in); |
aoqi@0 | 198 | case CpInvokeDynamic.TAG: return new CpInvokeDynamic(in); |
aoqi@0 | 199 | default: throw new RuntimeException("Bad cp entry tag: " + tag); |
aoqi@0 | 200 | } |
aoqi@0 | 201 | } |
aoqi@0 | 202 | } |
aoqi@0 | 203 | |
aoqi@0 | 204 | static class CpNull extends CpEntry { |
aoqi@0 | 205 | CpNull() { super((byte)0); } |
aoqi@0 | 206 | CpNull(CfInputStream in) { super((byte)0); } |
aoqi@0 | 207 | void write(CfOutputStream out) {} |
aoqi@0 | 208 | } |
aoqi@0 | 209 | |
aoqi@0 | 210 | static class CpUtf8 extends CpEntry { |
aoqi@0 | 211 | static final byte TAG = 1; |
aoqi@0 | 212 | byte[] bytes; |
aoqi@0 | 213 | |
aoqi@0 | 214 | CpUtf8() { super(TAG); } |
aoqi@0 | 215 | CpUtf8(CfInputStream in) { |
aoqi@0 | 216 | this(); |
aoqi@0 | 217 | short length = in.u2(); |
aoqi@0 | 218 | bytes = in.array(length); |
aoqi@0 | 219 | } |
aoqi@0 | 220 | void write(CfOutputStream out) { |
aoqi@0 | 221 | super.write(out); |
aoqi@0 | 222 | out.u2((short)bytes.length); |
aoqi@0 | 223 | out.array(bytes); |
aoqi@0 | 224 | } |
aoqi@0 | 225 | } |
aoqi@0 | 226 | |
aoqi@0 | 227 | static class CpU4Constant extends CpEntry { |
aoqi@0 | 228 | byte[] bytes; |
aoqi@0 | 229 | |
aoqi@0 | 230 | CpU4Constant(byte tag) { super(tag); } |
aoqi@0 | 231 | CpU4Constant(byte tag, CfInputStream in) { |
aoqi@0 | 232 | this(tag); |
aoqi@0 | 233 | bytes = in.array(4); |
aoqi@0 | 234 | } |
aoqi@0 | 235 | void write(CfOutputStream out) { super.write(out); out.array(bytes); } |
aoqi@0 | 236 | } |
aoqi@0 | 237 | static class CpInteger extends CpU4Constant { |
aoqi@0 | 238 | static final byte TAG = 3; |
aoqi@0 | 239 | CpInteger() { super(TAG); } |
aoqi@0 | 240 | CpInteger(CfInputStream in) { super(TAG, in); } |
aoqi@0 | 241 | } |
aoqi@0 | 242 | static class CpFloat extends CpU4Constant { |
aoqi@0 | 243 | static final byte TAG = 4; |
aoqi@0 | 244 | CpFloat() { super(TAG); } |
aoqi@0 | 245 | CpFloat(CfInputStream in) { super(TAG, in); } |
aoqi@0 | 246 | } |
aoqi@0 | 247 | |
aoqi@0 | 248 | static class CpU8Constant extends CpEntry { |
aoqi@0 | 249 | byte[] bytes; |
aoqi@0 | 250 | |
aoqi@0 | 251 | CpU8Constant(byte tag) { super(tag); } |
aoqi@0 | 252 | CpU8Constant(byte tag, CfInputStream in) { |
aoqi@0 | 253 | this(tag); |
aoqi@0 | 254 | bytes = in.array(8); |
aoqi@0 | 255 | } |
aoqi@0 | 256 | void write(CfOutputStream out) { super.write(out); out.array(bytes); } |
aoqi@0 | 257 | } |
aoqi@0 | 258 | static class CpLong extends CpU8Constant { |
aoqi@0 | 259 | static final byte TAG = 5; |
aoqi@0 | 260 | CpLong() { super(TAG); } |
aoqi@0 | 261 | CpLong(CfInputStream in) { super(TAG, in); } |
aoqi@0 | 262 | } |
aoqi@0 | 263 | static class CpDouble extends CpU8Constant { |
aoqi@0 | 264 | static final byte TAG = 6; |
aoqi@0 | 265 | CpDouble() { super(TAG); } |
aoqi@0 | 266 | CpDouble(CfInputStream in) { super(TAG, in); } |
aoqi@0 | 267 | } |
aoqi@0 | 268 | |
aoqi@0 | 269 | static class CpClass extends CpEntry { |
aoqi@0 | 270 | static final byte TAG = 7; |
aoqi@0 | 271 | short name_index; |
aoqi@0 | 272 | |
aoqi@0 | 273 | CpClass() { super(TAG); } |
aoqi@0 | 274 | CpClass(CfInputStream in) { super(TAG); name_index = in.u2(); } |
aoqi@0 | 275 | void write(CfOutputStream out) { |
aoqi@0 | 276 | super.write(out); |
aoqi@0 | 277 | out.u2(name_index); |
aoqi@0 | 278 | } |
aoqi@0 | 279 | } |
aoqi@0 | 280 | |
aoqi@0 | 281 | static class CpString extends CpEntry { |
aoqi@0 | 282 | static final byte TAG = 8; |
aoqi@0 | 283 | short string_index; |
aoqi@0 | 284 | |
aoqi@0 | 285 | CpString() { super(TAG); } |
aoqi@0 | 286 | CpString(CfInputStream in) { super(TAG); string_index = in.u2(); } |
aoqi@0 | 287 | void write(CfOutputStream out) { |
aoqi@0 | 288 | super.write(out); |
aoqi@0 | 289 | out.u2(string_index); |
aoqi@0 | 290 | } |
aoqi@0 | 291 | } |
aoqi@0 | 292 | |
aoqi@0 | 293 | static class CpRef extends CpEntry { |
aoqi@0 | 294 | short class_index; |
aoqi@0 | 295 | short name_and_type_index; |
aoqi@0 | 296 | |
aoqi@0 | 297 | CpRef(byte tag) { super(tag); } |
aoqi@0 | 298 | CpRef(byte tag, CfInputStream in) { |
aoqi@0 | 299 | this(tag); |
aoqi@0 | 300 | class_index = in.u2(); |
aoqi@0 | 301 | name_and_type_index = in.u2(); |
aoqi@0 | 302 | } |
aoqi@0 | 303 | void write(CfOutputStream out) { |
aoqi@0 | 304 | super.write(out); |
aoqi@0 | 305 | out.u2(class_index); |
aoqi@0 | 306 | out.u2(name_and_type_index); |
aoqi@0 | 307 | } |
aoqi@0 | 308 | } |
aoqi@0 | 309 | static class CpFieldRef extends CpRef { |
aoqi@0 | 310 | static final byte TAG = 9; |
aoqi@0 | 311 | CpFieldRef() { super(TAG); } |
aoqi@0 | 312 | CpFieldRef(CfInputStream in) { super(TAG, in); } |
aoqi@0 | 313 | } |
aoqi@0 | 314 | static class CpMethodRef extends CpRef { |
aoqi@0 | 315 | static final byte TAG = 10; |
aoqi@0 | 316 | CpMethodRef() { super(TAG); } |
aoqi@0 | 317 | CpMethodRef(CfInputStream in) { super(TAG, in); } |
aoqi@0 | 318 | } |
aoqi@0 | 319 | static class CpInterfaceMethodRef extends CpRef { |
aoqi@0 | 320 | static final byte TAG = 11; |
aoqi@0 | 321 | CpInterfaceMethodRef() { super(TAG); } |
aoqi@0 | 322 | CpInterfaceMethodRef(CfInputStream in) { super(TAG, in); } |
aoqi@0 | 323 | } |
aoqi@0 | 324 | |
aoqi@0 | 325 | static class CpNameAndType extends CpEntry { |
aoqi@0 | 326 | static final byte TAG = 12; |
aoqi@0 | 327 | short name_index; |
aoqi@0 | 328 | short descriptor_index; |
aoqi@0 | 329 | |
aoqi@0 | 330 | CpNameAndType() { super(TAG); } |
aoqi@0 | 331 | CpNameAndType(CfInputStream in) { |
aoqi@0 | 332 | this(); |
aoqi@0 | 333 | name_index = in.u2(); |
aoqi@0 | 334 | descriptor_index = in.u2(); |
aoqi@0 | 335 | } |
aoqi@0 | 336 | void write(CfOutputStream out) { |
aoqi@0 | 337 | super.write(out); |
aoqi@0 | 338 | out.u2(name_index); |
aoqi@0 | 339 | out.u2(descriptor_index); |
aoqi@0 | 340 | } |
aoqi@0 | 341 | } |
aoqi@0 | 342 | |
aoqi@0 | 343 | static class CpMethodHandle extends CpEntry { |
aoqi@0 | 344 | static final byte TAG = 15; |
aoqi@0 | 345 | byte reference_kind; |
aoqi@0 | 346 | short reference_index; |
aoqi@0 | 347 | |
aoqi@0 | 348 | CpMethodHandle() { super(TAG); } |
aoqi@0 | 349 | CpMethodHandle(CfInputStream in) { |
aoqi@0 | 350 | this(); |
aoqi@0 | 351 | reference_kind = in.u1(); |
aoqi@0 | 352 | reference_index = in.u2(); |
aoqi@0 | 353 | } |
aoqi@0 | 354 | void write(CfOutputStream out) { |
aoqi@0 | 355 | super.write(out); |
aoqi@0 | 356 | out.u1(reference_kind); |
aoqi@0 | 357 | out.u2(reference_index); |
aoqi@0 | 358 | } |
aoqi@0 | 359 | } |
aoqi@0 | 360 | |
aoqi@0 | 361 | static class CpMethodType extends CpEntry { |
aoqi@0 | 362 | static final byte TAG = 16; |
aoqi@0 | 363 | short descriptor_index; |
aoqi@0 | 364 | |
aoqi@0 | 365 | CpMethodType() { super(TAG); } |
aoqi@0 | 366 | CpMethodType(CfInputStream in) { |
aoqi@0 | 367 | this(); |
aoqi@0 | 368 | descriptor_index = in.u2(); |
aoqi@0 | 369 | } |
aoqi@0 | 370 | void write(CfOutputStream out) { |
aoqi@0 | 371 | super.write(out); |
aoqi@0 | 372 | out.u2(descriptor_index); |
aoqi@0 | 373 | } |
aoqi@0 | 374 | } |
aoqi@0 | 375 | |
aoqi@0 | 376 | static class CpInvokeDynamic extends CpEntry { |
aoqi@0 | 377 | static final byte TAG = 18; |
aoqi@0 | 378 | short bootstrap_index; |
aoqi@0 | 379 | short name_and_type_index; |
aoqi@0 | 380 | |
aoqi@0 | 381 | CpInvokeDynamic() { super(TAG); } |
aoqi@0 | 382 | CpInvokeDynamic(CfInputStream in) { |
aoqi@0 | 383 | this(); |
aoqi@0 | 384 | bootstrap_index = in.u2(); |
aoqi@0 | 385 | name_and_type_index = in.u2(); |
aoqi@0 | 386 | } |
aoqi@0 | 387 | void write(CfOutputStream out) { |
aoqi@0 | 388 | super.write(out); |
aoqi@0 | 389 | out.u2(bootstrap_index); |
aoqi@0 | 390 | out.u2(name_and_type_index); |
aoqi@0 | 391 | } |
aoqi@0 | 392 | } |
aoqi@0 | 393 | |
aoqi@0 | 394 | static class Interface { |
aoqi@0 | 395 | short index; |
aoqi@0 | 396 | |
aoqi@0 | 397 | Interface() {} |
aoqi@0 | 398 | Interface(CfInputStream in) { index = in.u2(); } |
aoqi@0 | 399 | void write(CfOutputStream out) { out.u2(index); } |
aoqi@0 | 400 | } |
aoqi@0 | 401 | |
aoqi@0 | 402 | static class FieldOrMethod { |
aoqi@0 | 403 | short access_flags; |
aoqi@0 | 404 | short name_index; |
aoqi@0 | 405 | short descriptor_index; |
aoqi@0 | 406 | ArrayList<Attribute> attributes; |
aoqi@0 | 407 | |
aoqi@0 | 408 | FieldOrMethod() { attributes = new ArrayList<>(); } |
aoqi@0 | 409 | FieldOrMethod(CfInputStream in) { |
aoqi@0 | 410 | access_flags = in.u2(); |
aoqi@0 | 411 | name_index = in.u2(); |
aoqi@0 | 412 | descriptor_index = in.u2(); |
aoqi@0 | 413 | |
aoqi@0 | 414 | short attrCount = in.u2(); |
aoqi@0 | 415 | attributes = new ArrayList<>(); |
aoqi@0 | 416 | for (int i = 0; i < attrCount; ++i) { |
aoqi@0 | 417 | attributes.add(new Attribute(in)); |
aoqi@0 | 418 | } |
aoqi@0 | 419 | } |
aoqi@0 | 420 | void write(CfOutputStream out) { |
aoqi@0 | 421 | out.u2(access_flags); |
aoqi@0 | 422 | out.u2(name_index); |
aoqi@0 | 423 | out.u2(descriptor_index); |
aoqi@0 | 424 | out.u2((short)attributes.size()); |
aoqi@0 | 425 | for (Attribute attribute : attributes) { attribute.write(out); } |
aoqi@0 | 426 | } |
aoqi@0 | 427 | } |
aoqi@0 | 428 | |
aoqi@0 | 429 | static class Field extends FieldOrMethod { |
aoqi@0 | 430 | Field() {} |
aoqi@0 | 431 | Field(CfInputStream in) { super(in); } |
aoqi@0 | 432 | } |
aoqi@0 | 433 | static class Method extends FieldOrMethod { |
aoqi@0 | 434 | Method() {} |
aoqi@0 | 435 | Method(CfInputStream in) { super(in); } |
aoqi@0 | 436 | } |
aoqi@0 | 437 | |
aoqi@0 | 438 | static class Attribute { |
aoqi@0 | 439 | short attribute_name_index; |
aoqi@0 | 440 | byte[] info; |
aoqi@0 | 441 | |
aoqi@0 | 442 | Attribute() { info = new byte[0]; } |
aoqi@0 | 443 | Attribute(CfInputStream in) { |
aoqi@0 | 444 | attribute_name_index = in.u2(); |
aoqi@0 | 445 | int length = in.u4(); |
aoqi@0 | 446 | info = in.array(length); |
aoqi@0 | 447 | } |
aoqi@0 | 448 | void write(CfOutputStream out) { |
aoqi@0 | 449 | out.u2(attribute_name_index); |
aoqi@0 | 450 | out.u4(info.length); |
aoqi@0 | 451 | out.array(info); |
aoqi@0 | 452 | } |
aoqi@0 | 453 | } |
aoqi@0 | 454 | } |