Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1 | package aQute.bnd.osgi; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 2 | |
| 3 | import java.io.*; |
| 4 | import java.lang.annotation.*; |
| 5 | import java.lang.reflect.*; |
| 6 | import java.nio.*; |
| 7 | import java.util.*; |
| 8 | import java.util.regex.*; |
| 9 | |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 10 | import aQute.bnd.osgi.Descriptors.Descriptor; |
| 11 | import aQute.bnd.osgi.Descriptors.PackageRef; |
| 12 | import aQute.bnd.osgi.Descriptors.TypeRef; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 13 | import aQute.libg.generics.*; |
| 14 | |
| 15 | public class Clazz { |
| 16 | |
| 17 | static Pattern METHOD_DESCRIPTOR = Pattern.compile("\\((.*)\\)(.+)"); |
| 18 | |
| 19 | public class ClassConstant { |
| 20 | int cname; |
| 21 | |
| 22 | public ClassConstant(int class_index) { |
| 23 | this.cname = class_index; |
| 24 | } |
| 25 | |
| 26 | public String getName() { |
| 27 | return (String) pool[cname]; |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | public static enum JAVA { |
| 32 | JDK1_1(45, "JRE-1.1"), JDK1_2(46, "J2SE-1.2"), // |
| 33 | JDK1_3(47, "J2SE-1.3"), // |
| 34 | JDK1_4(48, "J2SE-1.4"), // |
| 35 | J2SE5(49, "J2SE-1.5"), // |
| 36 | J2SE6(50, "JavaSE-1.6"), // |
| 37 | OpenJDK7(51, "JavaSE-1.7"), // |
| 38 | UNKNOWN(Integer.MAX_VALUE, "<>")// |
| 39 | ; |
| 40 | |
| 41 | final int major; |
| 42 | final String ee; |
| 43 | |
| 44 | JAVA(int major, String ee) { |
| 45 | this.major = major; |
| 46 | this.ee = ee; |
| 47 | } |
| 48 | |
| 49 | static JAVA format(int n) { |
| 50 | for (JAVA e : JAVA.values()) |
| 51 | if (e.major == n) |
| 52 | return e; |
| 53 | return UNKNOWN; |
| 54 | } |
| 55 | |
| 56 | public int getMajor() { |
| 57 | return major; |
| 58 | } |
| 59 | |
| 60 | public boolean hasAnnotations() { |
| 61 | return major >= J2SE5.major; |
| 62 | } |
| 63 | |
| 64 | public boolean hasGenerics() { |
| 65 | return major >= J2SE5.major; |
| 66 | } |
| 67 | |
| 68 | public boolean hasEnums() { |
| 69 | return major >= J2SE5.major; |
| 70 | } |
| 71 | |
Stuart McCulloch | 669423b | 2012-06-26 16:34:24 +0000 | [diff] [blame] | 72 | public static JAVA getJava(int major, @SuppressWarnings("unused") int minor) { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 73 | for (JAVA j : JAVA.values()) { |
| 74 | if (j.major == major) |
| 75 | return j; |
| 76 | } |
| 77 | return UNKNOWN; |
| 78 | } |
| 79 | |
| 80 | public String getEE() { |
| 81 | return ee; |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | public static enum QUERY { |
| 86 | IMPLEMENTS, EXTENDS, IMPORTS, NAMED, ANY, VERSION, CONCRETE, ABSTRACT, PUBLIC, ANNOTATED, RUNTIMEANNOTATIONS, CLASSANNOTATIONS; |
| 87 | |
| 88 | } |
| 89 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 90 | public final static EnumSet<QUERY> HAS_ARGUMENT = EnumSet.of(QUERY.IMPLEMENTS, QUERY.EXTENDS, QUERY.IMPORTS, |
| 91 | QUERY.NAMED, QUERY.VERSION, QUERY.ANNOTATED); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 92 | |
| 93 | /** |
| 94 | * <pre> |
| 95 | * ACC_PUBLIC 0x0001 Declared public; may be accessed from outside its |
| 96 | * package. |
| 97 | * ACC_FINAL 0x0010 Declared final; no subclasses allowed. |
| 98 | * ACC_SUPER 0x0020 Treat superclass methods specially when invoked by the |
| 99 | * invokespecial instruction. |
| 100 | * ACC_INTERFACE 0x0200 Is an interface, not a |
| 101 | * class. |
| 102 | * ACC_ABSTRACT 0x0400 Declared abstract; may not be instantiated. |
| 103 | * </pre> |
| 104 | * |
| 105 | * @param mod |
| 106 | */ |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 107 | final static int ACC_PUBLIC = 0x0001; // Declared |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 108 | // public; |
| 109 | // may |
| 110 | // be |
| 111 | // accessed |
| 112 | // from outside its package. |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 113 | final static int ACC_FINAL = 0x0010; // Declared |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 114 | // final; |
| 115 | // no |
| 116 | // subclasses |
| 117 | // allowed. |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 118 | final static int ACC_SUPER = 0x0020; // Treat |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 119 | // superclass |
| 120 | // methods |
| 121 | // specially when invoked by the |
| 122 | // invokespecial instruction. |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 123 | final static int ACC_INTERFACE = 0x0200; // Is |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 124 | // an |
| 125 | // interface, |
| 126 | // not |
| 127 | // a |
| 128 | // classs |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 129 | final static int ACC_ABSTRACT = 0x0400; // Declared |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 130 | |
| 131 | // a thing not in the source code |
| 132 | final static int ACC_SYNTHETIC = 0x1000; |
| 133 | final static int ACC_ANNOTATION = 0x2000; |
| 134 | final static int ACC_ENUM = 0x4000; |
| 135 | |
| 136 | static protected class Assoc { |
| 137 | Assoc(byte tag, int a, int b) { |
| 138 | this.tag = tag; |
| 139 | this.a = a; |
| 140 | this.b = b; |
| 141 | } |
| 142 | |
| 143 | byte tag; |
| 144 | int a; |
| 145 | int b; |
| 146 | } |
| 147 | |
| 148 | public class Def { |
| 149 | final int access; |
| 150 | Set<TypeRef> annotations; |
| 151 | |
| 152 | public Def(int access) { |
| 153 | this.access = access; |
| 154 | } |
| 155 | |
| 156 | public int getAccess() { |
| 157 | return access; |
| 158 | } |
| 159 | |
| 160 | public boolean isEnum() { |
| 161 | return (access & ACC_ENUM) != 0; |
| 162 | } |
| 163 | |
| 164 | public boolean isPublic() { |
| 165 | return Modifier.isPublic(access); |
| 166 | } |
| 167 | |
| 168 | public boolean isAbstract() { |
| 169 | return Modifier.isAbstract(access); |
| 170 | } |
| 171 | |
| 172 | public boolean isProtected() { |
| 173 | return Modifier.isProtected(access); |
| 174 | } |
| 175 | |
| 176 | public boolean isFinal() { |
| 177 | return Modifier.isFinal(access) || Clazz.this.isFinal(); |
| 178 | } |
| 179 | |
| 180 | public boolean isStatic() { |
| 181 | return Modifier.isStatic(access); |
| 182 | } |
| 183 | |
| 184 | public boolean isPrivate() { |
| 185 | return Modifier.isPrivate(access); |
| 186 | } |
| 187 | |
| 188 | public boolean isNative() { |
| 189 | return Modifier.isNative(access); |
| 190 | } |
| 191 | |
| 192 | public boolean isTransient() { |
| 193 | return Modifier.isTransient(access); |
| 194 | } |
| 195 | |
| 196 | public boolean isVolatile() { |
| 197 | return Modifier.isVolatile(access); |
| 198 | } |
| 199 | |
| 200 | public boolean isInterface() { |
| 201 | return Modifier.isInterface(access); |
| 202 | } |
| 203 | |
| 204 | public boolean isSynthetic() { |
| 205 | return (access & ACC_SYNTHETIC) != 0; |
| 206 | } |
| 207 | |
| 208 | void addAnnotation(Annotation a) { |
| 209 | if (annotations == null) |
| 210 | annotations = Create.set(); |
| 211 | annotations.add(analyzer.getTypeRef(a.name.getBinary())); |
| 212 | } |
| 213 | |
| 214 | public Collection<TypeRef> getAnnotations() { |
| 215 | return annotations; |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | public class FieldDef extends Def { |
| 220 | final String name; |
| 221 | final Descriptor descriptor; |
| 222 | String signature; |
| 223 | Object constant; |
| 224 | boolean deprecated; |
| 225 | |
| 226 | public boolean isDeprecated() { |
| 227 | return deprecated; |
| 228 | } |
| 229 | |
| 230 | public void setDeprecated(boolean deprecated) { |
| 231 | this.deprecated = deprecated; |
| 232 | } |
| 233 | |
| 234 | public FieldDef(int access, String name, String descriptor) { |
| 235 | super(access); |
| 236 | this.name = name; |
| 237 | this.descriptor = analyzer.getDescriptor(descriptor); |
| 238 | } |
| 239 | |
| 240 | public String getName() { |
| 241 | return name; |
| 242 | } |
| 243 | |
| 244 | public String toString() { |
| 245 | return getName(); |
| 246 | } |
| 247 | |
| 248 | public TypeRef getType() { |
| 249 | return descriptor.getType(); |
| 250 | } |
| 251 | |
| 252 | public TypeRef getContainingClass() { |
| 253 | return getClassName(); |
| 254 | } |
| 255 | |
| 256 | public Descriptor getDescriptor() { |
| 257 | return descriptor; |
| 258 | } |
| 259 | |
| 260 | public void setConstant(Object o) { |
| 261 | this.constant = o; |
| 262 | } |
| 263 | |
| 264 | public Object getConstant() { |
| 265 | return this.constant; |
| 266 | } |
| 267 | |
| 268 | // TODO change to use proper generics |
| 269 | public String getGenericReturnType() { |
| 270 | String use = descriptor.toString(); |
| 271 | if (signature != null) |
| 272 | use = signature; |
| 273 | |
| 274 | Matcher m = METHOD_DESCRIPTOR.matcher(use); |
| 275 | if (!m.matches()) |
| 276 | throw new IllegalArgumentException("Not a valid method descriptor: " + descriptor); |
| 277 | |
| 278 | String returnType = m.group(2); |
| 279 | return objectDescriptorToFQN(returnType); |
| 280 | } |
| 281 | |
| 282 | public String getSignature() { |
| 283 | return signature; |
| 284 | } |
| 285 | |
| 286 | } |
| 287 | |
| 288 | public class MethodDef extends FieldDef { |
| 289 | public MethodDef(int access, String method, String descriptor) { |
| 290 | super(access, method, descriptor); |
| 291 | } |
| 292 | |
| 293 | public boolean isConstructor() { |
| 294 | return name.equals("<init>") || name.equals("<clinit>"); |
| 295 | } |
| 296 | |
| 297 | public TypeRef[] getPrototype() { |
| 298 | return descriptor.getPrototype(); |
| 299 | } |
| 300 | |
| 301 | } |
| 302 | |
| 303 | final static byte SkipTable[] = { // |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 304 | 0, // 0 non existent |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 305 | -1, // 1 CONSTANT_utf8 UTF 8, handled in |
| 306 | // method |
| 307 | -1, // 2 |
| 308 | 4, // 3 CONSTANT_Integer |
| 309 | 4, // 4 CONSTANT_Float |
| 310 | 8, // 5 CONSTANT_Long (index +=2!) |
| 311 | 8, // 6 CONSTANT_Double (index +=2!) |
| 312 | -1, // 7 CONSTANT_Class |
| 313 | 2, // 8 CONSTANT_String |
| 314 | 4, // 9 CONSTANT_FieldRef |
| 315 | 4, // 10 CONSTANT_MethodRef |
| 316 | 4, // 11 CONSTANT_InterfaceMethodRef |
| 317 | 4, // 12 CONSTANT_NameAndType |
| 318 | -1, // 13 Not defined |
| 319 | -1, // 14 Not defined |
| 320 | 3, // 15 CONSTANT_MethodHandle |
| 321 | 2, // 16 CONSTANT_MethodType |
| 322 | -1, // 17 Not defined |
| 323 | 4, // 18 CONSTANT_InvokeDynamic |
| 324 | }; |
| 325 | |
| 326 | boolean hasRuntimeAnnotations; |
| 327 | boolean hasClassAnnotations; |
| 328 | |
| 329 | TypeRef className; |
| 330 | Object pool[]; |
| 331 | int intPool[]; |
| 332 | Set<PackageRef> imports = Create.set(); |
| 333 | String path; |
| 334 | int minor = 0; |
| 335 | int major = 0; |
| 336 | int innerAccess = -1; |
| 337 | int accessx = 0; |
| 338 | String sourceFile; |
| 339 | Set<TypeRef> xref; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 340 | Set<TypeRef> annotations; |
| 341 | int forName = 0; |
| 342 | int class$ = 0; |
| 343 | TypeRef[] interfaces; |
| 344 | TypeRef zuper; |
| 345 | ClassDataCollector cd = null; |
| 346 | Resource resource; |
| 347 | FieldDef last = null; |
| 348 | boolean deprecated; |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 349 | Set<PackageRef> api; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 350 | final Analyzer analyzer; |
| 351 | |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 352 | |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 353 | public Clazz(Analyzer analyzer, String path, Resource resource) { |
| 354 | this.path = path; |
| 355 | this.resource = resource; |
| 356 | this.analyzer = analyzer; |
| 357 | } |
| 358 | |
| 359 | public Set<TypeRef> parseClassFile() throws Exception { |
| 360 | return parseClassFileWithCollector(null); |
| 361 | } |
| 362 | |
| 363 | public Set<TypeRef> parseClassFile(InputStream in) throws Exception { |
| 364 | return parseClassFile(in, null); |
| 365 | } |
| 366 | |
| 367 | public Set<TypeRef> parseClassFileWithCollector(ClassDataCollector cd) throws Exception { |
| 368 | InputStream in = resource.openInputStream(); |
| 369 | try { |
| 370 | return parseClassFile(in, cd); |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 371 | } |
| 372 | finally { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 373 | in.close(); |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | public Set<TypeRef> parseClassFile(InputStream in, ClassDataCollector cd) throws Exception { |
| 378 | DataInputStream din = new DataInputStream(in); |
| 379 | try { |
| 380 | this.cd = cd; |
| 381 | return parseClassFile(din); |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 382 | } |
| 383 | finally { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 384 | cd = null; |
| 385 | din.close(); |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | Set<TypeRef> parseClassFile(DataInputStream in) throws Exception { |
| 390 | xref = new HashSet<TypeRef>(); |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 391 | |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 392 | boolean crawl = cd != null; // Crawl the byte code if we have a |
| 393 | // collector |
| 394 | int magic = in.readInt(); |
| 395 | if (magic != 0xCAFEBABE) |
| 396 | throw new IOException("Not a valid class file (no CAFEBABE header)"); |
| 397 | |
| 398 | minor = in.readUnsignedShort(); // minor version |
| 399 | major = in.readUnsignedShort(); // major version |
| 400 | if (cd != null) |
| 401 | cd.version(minor, major); |
| 402 | int count = in.readUnsignedShort(); |
| 403 | pool = new Object[count]; |
| 404 | intPool = new int[count]; |
| 405 | |
| 406 | process: for (int poolIndex = 1; poolIndex < count; poolIndex++) { |
| 407 | byte tag = in.readByte(); |
| 408 | switch (tag) { |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 409 | case 0 : |
| 410 | break process; |
| 411 | case 1 : |
| 412 | constantUtf8(in, poolIndex); |
| 413 | break; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 414 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 415 | case 3 : |
| 416 | constantInteger(in, poolIndex); |
| 417 | break; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 418 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 419 | case 4 : |
| 420 | constantFloat(in, poolIndex); |
| 421 | break; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 422 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 423 | // For some insane optimization reason are |
| 424 | // the long and the double two entries in the |
| 425 | // constant pool. See 4.4.5 |
| 426 | case 5 : |
| 427 | constantLong(in, poolIndex); |
| 428 | poolIndex++; |
| 429 | break; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 430 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 431 | case 6 : |
| 432 | constantDouble(in, poolIndex); |
| 433 | poolIndex++; |
| 434 | break; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 435 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 436 | case 7 : |
| 437 | constantClass(in, poolIndex); |
| 438 | break; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 439 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 440 | case 8 : |
| 441 | constantString(in, poolIndex); |
| 442 | break; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 443 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 444 | case 10 : // Method ref |
| 445 | case 11 : // Interface Method ref |
| 446 | methodRef(in, poolIndex); |
| 447 | break; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 448 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 449 | // Name and Type |
| 450 | case 12 : |
| 451 | nameAndType(in, poolIndex, tag); |
| 452 | break; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 453 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 454 | // We get the skip count for each record type |
| 455 | // from the SkipTable. This will also automatically |
| 456 | // abort when |
| 457 | default : |
| 458 | if (tag == 2) |
| 459 | throw new IOException("Invalid tag " + tag); |
| 460 | in.skipBytes(SkipTable[tag]); |
| 461 | break; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 462 | } |
| 463 | } |
| 464 | |
| 465 | pool(pool, intPool); |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 466 | |
| 467 | // All name& type and class constant records contain descriptors we must treat |
| 468 | // as references, though not API |
| 469 | |
| 470 | for ( Object o : pool ) { |
| 471 | if ( o == null) |
| 472 | continue; |
| 473 | |
| 474 | if (o instanceof Assoc && ((Assoc)o).tag ==12 ) { |
| 475 | referTo( ((Assoc)o).b, 0); // Descriptor |
| 476 | } else if ( o instanceof ClassConstant) { |
| 477 | String binaryClassName = (String) pool[((ClassConstant)o).cname]; |
| 478 | TypeRef typeRef = analyzer.getTypeRef(binaryClassName); |
| 479 | referTo( typeRef, 0); |
| 480 | } |
| 481 | } |
| 482 | |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 483 | /* |
| 484 | * Parse after the constant pool, code thanks to Hans Christian |
| 485 | * Falkenberg |
| 486 | */ |
| 487 | |
| 488 | accessx = in.readUnsignedShort(); // access |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 489 | if ( Modifier.isPublic(accessx)) |
| 490 | api = new HashSet<PackageRef>(); |
| 491 | |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 492 | int this_class = in.readUnsignedShort(); |
| 493 | className = analyzer.getTypeRef((String) pool[intPool[this_class]]); |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 494 | referTo(className, Modifier.PUBLIC); |
| 495 | |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 496 | try { |
| 497 | |
| 498 | if (cd != null) { |
| 499 | if (!cd.classStart(accessx, className)) |
| 500 | return null; |
| 501 | } |
| 502 | |
| 503 | int super_class = in.readUnsignedShort(); |
| 504 | String superName = (String) pool[intPool[super_class]]; |
| 505 | if (superName != null) { |
| 506 | zuper = analyzer.getTypeRef(superName); |
| 507 | } |
| 508 | |
| 509 | if (zuper != null) { |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 510 | referTo(zuper, accessx); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 511 | if (cd != null) |
| 512 | cd.extendsClass(zuper); |
| 513 | } |
| 514 | |
| 515 | int interfacesCount = in.readUnsignedShort(); |
| 516 | if (interfacesCount > 0) { |
| 517 | interfaces = new TypeRef[interfacesCount]; |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 518 | for (int i = 0; i < interfacesCount; i++) { |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 519 | interfaces[i] = analyzer.getTypeRef((String) pool[intPool[in.readUnsignedShort()]]); |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 520 | referTo(interfaces[i],accessx); |
| 521 | } |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 522 | if (cd != null) |
| 523 | cd.implementsInterfaces(interfaces); |
| 524 | } |
| 525 | |
| 526 | int fieldsCount = in.readUnsignedShort(); |
| 527 | for (int i = 0; i < fieldsCount; i++) { |
| 528 | int access_flags = in.readUnsignedShort(); // skip access flags |
| 529 | int name_index = in.readUnsignedShort(); |
| 530 | int descriptor_index = in.readUnsignedShort(); |
| 531 | |
| 532 | // Java prior to 1.5 used a weird |
| 533 | // static variable to hold the com.X.class |
| 534 | // result construct. If it did not find it |
| 535 | // it would create a variable class$com$X |
| 536 | // that would be used to hold the class |
| 537 | // object gotten with Class.forName ... |
| 538 | // Stupidly, they did not actively use the |
| 539 | // class name for the field type, so bnd |
| 540 | // would not see a reference. We detect |
| 541 | // this case and add an artificial descriptor |
| 542 | String name = pool[name_index].toString(); // name_index |
| 543 | if (name.startsWith("class$")) { |
| 544 | crawl = true; |
| 545 | } |
| 546 | if (cd != null) |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 547 | cd.field(last = new FieldDef(access_flags, name, pool[descriptor_index].toString())); |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 548 | |
| 549 | referTo( descriptor_index, access_flags); |
| 550 | doAttributes(in, ElementType.FIELD, false, access_flags); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 551 | } |
| 552 | |
| 553 | // |
| 554 | // Check if we have to crawl the code to find |
| 555 | // the ldc(_w) <string constant> invokestatic Class.forName |
| 556 | // if so, calculate the method ref index so we |
| 557 | // can do this efficiently |
| 558 | // |
| 559 | if (crawl) { |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 560 | forName = findMethodReference("java/lang/Class", "forName", "(Ljava/lang/String;)Ljava/lang/Class;"); |
| 561 | class$ = findMethodReference(className.getBinary(), "class$", "(Ljava/lang/String;)Ljava/lang/Class;"); |
| 562 | } else if (major == 48) { |
| 563 | forName = findMethodReference("java/lang/Class", "forName", "(Ljava/lang/String;)Ljava/lang/Class;"); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 564 | if (forName > 0) { |
| 565 | crawl = true; |
| 566 | class$ = findMethodReference(className.getBinary(), "class$", |
| 567 | "(Ljava/lang/String;)Ljava/lang/Class;"); |
| 568 | } |
| 569 | } |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 570 | |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 571 | // There are some serious changes in the |
| 572 | // class file format. So we do not do any crawling |
| 573 | // it has also become less important |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 574 | if (major >= JAVA.OpenJDK7.major) |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 575 | crawl = false; |
| 576 | |
| 577 | // |
| 578 | // Handle the methods |
| 579 | // |
| 580 | int methodCount = in.readUnsignedShort(); |
| 581 | for (int i = 0; i < methodCount; i++) { |
| 582 | int access_flags = in.readUnsignedShort(); |
| 583 | int name_index = in.readUnsignedShort(); |
| 584 | int descriptor_index = in.readUnsignedShort(); |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 585 | referTo(descriptor_index, access_flags); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 586 | String name = pool[name_index].toString(); |
| 587 | String descriptor = pool[descriptor_index].toString(); |
| 588 | if (cd != null) { |
| 589 | MethodDef mdef = new MethodDef(access_flags, name, descriptor); |
| 590 | last = mdef; |
| 591 | cd.method(mdef); |
| 592 | } |
| 593 | |
| 594 | if ("<init>".equals(name)) { |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 595 | doAttributes(in, ElementType.CONSTRUCTOR, crawl, access_flags); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 596 | } else { |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 597 | doAttributes(in, ElementType.METHOD, crawl, access_flags); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 598 | } |
| 599 | } |
| 600 | if (cd != null) |
| 601 | cd.memberEnd(); |
| 602 | |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 603 | doAttributes(in, ElementType.TYPE, false, accessx); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 604 | |
| 605 | // |
| 606 | // Parse all the descriptors we found |
| 607 | // |
| 608 | |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 609 | Set<TypeRef> xref = this.xref; |
| 610 | reset(); |
| 611 | return xref; |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 612 | } |
| 613 | finally { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 614 | if (cd != null) |
| 615 | cd.classEnd(); |
| 616 | } |
| 617 | } |
| 618 | |
| 619 | private void constantFloat(DataInputStream in, int poolIndex) throws IOException { |
| 620 | if (cd != null) |
| 621 | pool[poolIndex] = in.readFloat(); // ALU |
| 622 | else |
| 623 | in.skipBytes(4); |
| 624 | } |
| 625 | |
| 626 | private void constantInteger(DataInputStream in, int poolIndex) throws IOException { |
| 627 | intPool[poolIndex] = in.readInt(); |
| 628 | if (cd != null) |
| 629 | pool[poolIndex] = intPool[poolIndex]; |
| 630 | } |
| 631 | |
Stuart McCulloch | 669423b | 2012-06-26 16:34:24 +0000 | [diff] [blame] | 632 | protected void pool(@SuppressWarnings("unused") Object[] pool, @SuppressWarnings("unused") int[] intPool) {} |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 633 | |
| 634 | /** |
| 635 | * @param in |
| 636 | * @param poolIndex |
| 637 | * @param tag |
| 638 | * @throws IOException |
| 639 | */ |
| 640 | protected void nameAndType(DataInputStream in, int poolIndex, byte tag) throws IOException { |
| 641 | int name_index = in.readUnsignedShort(); |
| 642 | int descriptor_index = in.readUnsignedShort(); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 643 | pool[poolIndex] = new Assoc(tag, name_index, descriptor_index); |
| 644 | } |
| 645 | |
| 646 | /** |
| 647 | * @param in |
| 648 | * @param poolIndex |
| 649 | * @param tag |
| 650 | * @throws IOException |
| 651 | */ |
| 652 | private void methodRef(DataInputStream in, int poolIndex) throws IOException { |
| 653 | int class_index = in.readUnsignedShort(); |
| 654 | int name_and_type_index = in.readUnsignedShort(); |
| 655 | pool[poolIndex] = new Assoc((byte) 10, class_index, name_and_type_index); |
| 656 | } |
| 657 | |
| 658 | /** |
| 659 | * @param in |
| 660 | * @param poolIndex |
| 661 | * @throws IOException |
| 662 | */ |
| 663 | private void constantString(DataInputStream in, int poolIndex) throws IOException { |
| 664 | int string_index = in.readUnsignedShort(); |
| 665 | intPool[poolIndex] = string_index; |
| 666 | } |
| 667 | |
| 668 | /** |
| 669 | * @param in |
| 670 | * @param poolIndex |
| 671 | * @throws IOException |
| 672 | */ |
| 673 | protected void constantClass(DataInputStream in, int poolIndex) throws IOException { |
| 674 | int class_index = in.readUnsignedShort(); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 675 | intPool[poolIndex] = class_index; |
| 676 | ClassConstant c = new ClassConstant(class_index); |
| 677 | pool[poolIndex] = c; |
| 678 | } |
| 679 | |
| 680 | /** |
| 681 | * @param in |
| 682 | * @throws IOException |
| 683 | */ |
| 684 | protected void constantDouble(DataInputStream in, int poolIndex) throws IOException { |
| 685 | if (cd != null) |
| 686 | pool[poolIndex] = in.readDouble(); |
| 687 | else |
| 688 | in.skipBytes(8); |
| 689 | } |
| 690 | |
| 691 | /** |
| 692 | * @param in |
| 693 | * @throws IOException |
| 694 | */ |
| 695 | protected void constantLong(DataInputStream in, int poolIndex) throws IOException { |
| 696 | if (cd != null) { |
| 697 | pool[poolIndex] = in.readLong(); |
| 698 | } else |
| 699 | in.skipBytes(8); |
| 700 | } |
| 701 | |
| 702 | /** |
| 703 | * @param in |
| 704 | * @param poolIndex |
| 705 | * @throws IOException |
| 706 | */ |
| 707 | protected void constantUtf8(DataInputStream in, int poolIndex) throws IOException { |
| 708 | // CONSTANT_Utf8 |
| 709 | |
| 710 | String name = in.readUTF(); |
| 711 | pool[poolIndex] = name; |
| 712 | } |
| 713 | |
| 714 | /** |
| 715 | * Find a method reference in the pool that points to the given class, |
| 716 | * methodname and descriptor. |
| 717 | * |
| 718 | * @param clazz |
| 719 | * @param methodname |
| 720 | * @param descriptor |
| 721 | * @return index in constant pool |
| 722 | */ |
| 723 | private int findMethodReference(String clazz, String methodname, String descriptor) { |
| 724 | for (int i = 1; i < pool.length; i++) { |
| 725 | if (pool[i] instanceof Assoc) { |
| 726 | Assoc methodref = (Assoc) pool[i]; |
| 727 | if (methodref.tag == 10) { |
| 728 | // Method ref |
| 729 | int class_index = methodref.a; |
| 730 | int class_name_index = intPool[class_index]; |
| 731 | if (clazz.equals(pool[class_name_index])) { |
| 732 | int name_and_type_index = methodref.b; |
| 733 | Assoc name_and_type = (Assoc) pool[name_and_type_index]; |
| 734 | if (name_and_type.tag == 12) { |
| 735 | // Name and Type |
| 736 | int name_index = name_and_type.a; |
| 737 | int type_index = name_and_type.b; |
| 738 | if (methodname.equals(pool[name_index])) { |
| 739 | if (descriptor.equals(pool[type_index])) { |
| 740 | return i; |
| 741 | } |
| 742 | } |
| 743 | } |
| 744 | } |
| 745 | } |
| 746 | } |
| 747 | } |
| 748 | return -1; |
| 749 | } |
| 750 | |
| 751 | /** |
| 752 | * Called for each attribute in the class, field, or method. |
| 753 | * |
| 754 | * @param in |
| 755 | * The stream |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 756 | * @param access_flags |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 757 | * @throws Exception |
| 758 | */ |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 759 | private void doAttributes(DataInputStream in, ElementType member, boolean crawl, int access_flags) throws Exception { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 760 | int attributesCount = in.readUnsignedShort(); |
| 761 | for (int j = 0; j < attributesCount; j++) { |
| 762 | // skip name CONSTANT_Utf8 pointer |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 763 | doAttribute(in, member, crawl, access_flags); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 764 | } |
| 765 | } |
| 766 | |
| 767 | /** |
| 768 | * Process a single attribute, if not recognized, skip it. |
| 769 | * |
| 770 | * @param in |
| 771 | * the data stream |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 772 | * @param access_flags |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 773 | * @throws Exception |
| 774 | */ |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 775 | private void doAttribute(DataInputStream in, ElementType member, boolean crawl, int access_flags) throws Exception { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 776 | int attribute_name_index = in.readUnsignedShort(); |
| 777 | String attributeName = (String) pool[attribute_name_index]; |
| 778 | long attribute_length = in.readInt(); |
| 779 | attribute_length &= 0xFFFFFFFF; |
| 780 | if ("Deprecated".equals(attributeName)) { |
| 781 | if (cd != null) |
| 782 | cd.deprecated(); |
| 783 | } else if ("RuntimeVisibleAnnotations".equals(attributeName)) |
| 784 | doAnnotations(in, member, RetentionPolicy.RUNTIME); |
| 785 | else if ("RuntimeVisibleParameterAnnotations".equals(attributeName)) |
| 786 | doParameterAnnotations(in, member, RetentionPolicy.RUNTIME); |
| 787 | else if ("RuntimeInvisibleAnnotations".equals(attributeName)) |
| 788 | doAnnotations(in, member, RetentionPolicy.CLASS); |
| 789 | else if ("RuntimeInvisibleParameterAnnotations".equals(attributeName)) |
| 790 | doParameterAnnotations(in, member, RetentionPolicy.CLASS); |
| 791 | else if ("InnerClasses".equals(attributeName)) |
| 792 | doInnerClasses(in); |
| 793 | else if ("EnclosingMethod".equals(attributeName)) |
| 794 | doEnclosingMethod(in); |
| 795 | else if ("SourceFile".equals(attributeName)) |
| 796 | doSourceFile(in); |
| 797 | else if ("Code".equals(attributeName) && crawl) |
| 798 | doCode(in); |
| 799 | else if ("Signature".equals(attributeName)) |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 800 | doSignature(in, member, access_flags); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 801 | else if ("ConstantValue".equals(attributeName)) |
| 802 | doConstantValue(in); |
| 803 | else { |
| 804 | if (attribute_length > 0x7FFFFFFF) { |
| 805 | throw new IllegalArgumentException("Attribute > 2Gb"); |
| 806 | } |
| 807 | in.skipBytes((int) attribute_length); |
| 808 | } |
| 809 | } |
| 810 | |
| 811 | /** |
| 812 | * <pre> |
| 813 | * EnclosingMethod_attribute { |
| 814 | * u2 attribute_name_index; |
| 815 | * u4 attribute_length; |
| 816 | * u2 class_index |
| 817 | * u2 method_index; |
| 818 | * } |
| 819 | * </pre> |
| 820 | * |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 821 | * @param in |
| 822 | * @throws IOException |
| 823 | */ |
| 824 | private void doEnclosingMethod(DataInputStream in) throws IOException { |
| 825 | int cIndex = in.readShort(); |
| 826 | int mIndex = in.readShort(); |
| 827 | |
| 828 | if (cd != null) { |
| 829 | int nameIndex = intPool[cIndex]; |
| 830 | TypeRef cName = analyzer.getTypeRef((String) pool[nameIndex]); |
| 831 | |
| 832 | String mName = null; |
| 833 | String mDescriptor = null; |
| 834 | |
| 835 | if (mIndex != 0) { |
| 836 | Assoc nameAndType = (Assoc) pool[mIndex]; |
| 837 | mName = (String) pool[nameAndType.a]; |
| 838 | mDescriptor = (String) pool[nameAndType.b]; |
| 839 | } |
| 840 | cd.enclosingMethod(cName, mName, mDescriptor); |
| 841 | } |
| 842 | } |
| 843 | |
| 844 | /** |
| 845 | * <pre> |
| 846 | * InnerClasses_attribute { |
| 847 | * u2 attribute_name_index; |
| 848 | * u4 attribute_length; |
| 849 | * u2 number_of_classes; { |
| 850 | * u2 inner_class_info_index; |
| 851 | * u2 outer_class_info_index; |
| 852 | * u2 inner_name_index; |
| 853 | * u2 inner_class_access_flags; |
| 854 | * } classes[number_of_classes]; |
| 855 | * } |
| 856 | * </pre> |
| 857 | * |
| 858 | * @param in |
| 859 | * @throws Exception |
| 860 | */ |
| 861 | private void doInnerClasses(DataInputStream in) throws Exception { |
| 862 | int number_of_classes = in.readShort(); |
| 863 | for (int i = 0; i < number_of_classes; i++) { |
| 864 | int inner_class_info_index = in.readShort(); |
| 865 | int outer_class_info_index = in.readShort(); |
| 866 | int inner_name_index = in.readShort(); |
| 867 | int inner_class_access_flags = in.readShort() & 0xFFFF; |
| 868 | |
| 869 | if (cd != null) { |
| 870 | TypeRef innerClass = null; |
| 871 | TypeRef outerClass = null; |
| 872 | String innerName = null; |
| 873 | |
| 874 | if (inner_class_info_index != 0) { |
| 875 | int nameIndex = intPool[inner_class_info_index]; |
| 876 | innerClass = analyzer.getTypeRef((String) pool[nameIndex]); |
| 877 | } |
| 878 | |
| 879 | if (outer_class_info_index != 0) { |
| 880 | int nameIndex = intPool[outer_class_info_index]; |
| 881 | outerClass = analyzer.getTypeRef((String) pool[nameIndex]); |
| 882 | } |
| 883 | |
| 884 | if (inner_name_index != 0) |
| 885 | innerName = (String) pool[inner_name_index]; |
| 886 | |
| 887 | cd.innerClass(innerClass, outerClass, innerName, inner_class_access_flags); |
| 888 | } |
| 889 | } |
| 890 | } |
| 891 | |
| 892 | /** |
| 893 | * Handle a signature |
| 894 | * |
| 895 | * <pre> |
| 896 | * Signature_attribute { |
| 897 | * u2 attribute_name_index; |
| 898 | * u4 attribute_length; |
| 899 | * u2 signature_index; |
| 900 | * } |
| 901 | * </pre> |
| 902 | * |
| 903 | * @param member |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 904 | * @param access_flags |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 905 | */ |
| 906 | |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 907 | void doSignature(DataInputStream in, ElementType member, int access_flags) throws IOException { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 908 | int signature_index = in.readUnsignedShort(); |
| 909 | String signature = (String) pool[signature_index]; |
| 910 | |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 911 | parseDescriptor(signature, access_flags); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 912 | |
| 913 | if (last != null) |
| 914 | last.signature = signature; |
| 915 | |
| 916 | if (cd != null) |
| 917 | cd.signature(signature); |
| 918 | } |
| 919 | |
| 920 | /** |
| 921 | * Handle a constant value call the data collector with it |
| 922 | */ |
| 923 | void doConstantValue(DataInputStream in) throws IOException { |
| 924 | int constantValue_index = in.readUnsignedShort(); |
| 925 | if (cd == null) |
| 926 | return; |
| 927 | |
| 928 | Object object = pool[constantValue_index]; |
| 929 | if (object == null) |
| 930 | object = pool[intPool[constantValue_index]]; |
| 931 | |
| 932 | last.constant = object; |
| 933 | cd.constant(object); |
| 934 | } |
| 935 | |
| 936 | /** |
| 937 | * <pre> |
| 938 | * Code_attribute { |
| 939 | * u2 attribute_name_index; |
| 940 | * u4 attribute_length; |
| 941 | * u2 max_stack; |
| 942 | * u2 max_locals; |
| 943 | * u4 code_length; |
| 944 | * u1 code[code_length]; |
| 945 | * u2 exception_table_length; |
| 946 | * { u2 start_pc; |
| 947 | * u2 end_pc; |
| 948 | * u2 handler_pc; |
| 949 | * u2 catch_type; |
| 950 | * } exception_table[exception_table_length]; |
| 951 | * u2 attributes_count; |
| 952 | * attribute_info attributes[attributes_count]; |
| 953 | * } |
| 954 | * </pre> |
| 955 | * |
| 956 | * @param in |
| 957 | * @param pool |
| 958 | * @throws Exception |
| 959 | */ |
| 960 | private void doCode(DataInputStream in) throws Exception { |
| 961 | /* int max_stack = */in.readUnsignedShort(); |
| 962 | /* int max_locals = */in.readUnsignedShort(); |
| 963 | int code_length = in.readInt(); |
| 964 | byte code[] = new byte[code_length]; |
| 965 | in.readFully(code); |
| 966 | crawl(code); |
| 967 | int exception_table_length = in.readUnsignedShort(); |
| 968 | in.skipBytes(exception_table_length * 8); |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 969 | doAttributes(in, ElementType.METHOD, false, 0); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 970 | } |
| 971 | |
| 972 | /** |
| 973 | * We must find Class.forName references ... |
| 974 | * |
| 975 | * @param code |
| 976 | */ |
| 977 | protected void crawl(byte[] code) { |
| 978 | ByteBuffer bb = ByteBuffer.wrap(code); |
| 979 | bb.order(ByteOrder.BIG_ENDIAN); |
| 980 | int lastReference = -1; |
| 981 | |
| 982 | while (bb.remaining() > 0) { |
| 983 | int instruction = 0xFF & bb.get(); |
| 984 | switch (instruction) { |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 985 | case OpCodes.ldc : |
| 986 | lastReference = 0xFF & bb.get(); |
| 987 | break; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 988 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 989 | case OpCodes.ldc_w : |
| 990 | lastReference = 0xFFFF & bb.getShort(); |
| 991 | break; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 992 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 993 | case OpCodes.invokespecial : { |
| 994 | int mref = 0xFFFF & bb.getShort(); |
| 995 | if (cd != null) |
| 996 | getMethodDef(0, mref); |
| 997 | break; |
| 998 | } |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 999 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1000 | case OpCodes.invokevirtual : { |
| 1001 | int mref = 0xFFFF & bb.getShort(); |
| 1002 | if (cd != null) |
| 1003 | getMethodDef(0, mref); |
| 1004 | break; |
| 1005 | } |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1006 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1007 | case OpCodes.invokeinterface : { |
| 1008 | int mref = 0xFFFF & bb.getShort(); |
| 1009 | if (cd != null) |
| 1010 | getMethodDef(0, mref); |
| 1011 | break; |
| 1012 | } |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1013 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1014 | case OpCodes.invokestatic : { |
| 1015 | int methodref = 0xFFFF & bb.getShort(); |
| 1016 | if (cd != null) |
| 1017 | getMethodDef(0, methodref); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1018 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1019 | if ((methodref == forName || methodref == class$) && lastReference != -1 |
| 1020 | && pool[intPool[lastReference]] instanceof String) { |
| 1021 | String fqn = (String) pool[intPool[lastReference]]; |
| 1022 | if (!fqn.equals("class") && fqn.indexOf('.') > 0) { |
| 1023 | TypeRef clazz = analyzer.getTypeRefFromFQN(fqn); |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1024 | referTo(clazz, 0); |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1025 | } |
| 1026 | lastReference = -1; |
| 1027 | } |
| 1028 | break; |
| 1029 | } |
| 1030 | |
| 1031 | case OpCodes.tableswitch : |
| 1032 | // Skip to place divisible by 4 |
| 1033 | while ((bb.position() & 0x3) != 0) |
| 1034 | bb.get(); |
| 1035 | /* int deflt = */ |
| 1036 | bb.getInt(); |
| 1037 | int low = bb.getInt(); |
| 1038 | int high = bb.getInt(); |
| 1039 | try { |
| 1040 | bb.position(bb.position() + (high - low + 1) * 4); |
| 1041 | } |
| 1042 | catch (Exception e) { |
| 1043 | // TODO Auto-generated catch block |
| 1044 | e.printStackTrace(); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1045 | } |
| 1046 | lastReference = -1; |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1047 | break; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1048 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1049 | case OpCodes.lookupswitch : |
| 1050 | // Skip to place divisible by 4 |
| 1051 | while ((bb.position() & 0x3) != 0) |
| 1052 | bb.get(); |
| 1053 | /* deflt = */ |
| 1054 | bb.getInt(); |
| 1055 | int npairs = bb.getInt(); |
| 1056 | bb.position(bb.position() + npairs * 8); |
| 1057 | lastReference = -1; |
| 1058 | break; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1059 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1060 | default : |
| 1061 | lastReference = -1; |
| 1062 | bb.position(bb.position() + OpCodes.OFFSETS[instruction]); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1063 | } |
| 1064 | } |
| 1065 | } |
| 1066 | |
| 1067 | private void doSourceFile(DataInputStream in) throws IOException { |
| 1068 | int sourcefile_index = in.readUnsignedShort(); |
| 1069 | this.sourceFile = pool[sourcefile_index].toString(); |
| 1070 | } |
| 1071 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1072 | private void doParameterAnnotations(DataInputStream in, ElementType member, RetentionPolicy policy) |
| 1073 | throws IOException { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1074 | int num_parameters = in.readUnsignedByte(); |
| 1075 | for (int p = 0; p < num_parameters; p++) { |
| 1076 | if (cd != null) |
| 1077 | cd.parameter(p); |
| 1078 | doAnnotations(in, member, policy); |
| 1079 | } |
| 1080 | } |
| 1081 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1082 | private void doAnnotations(DataInputStream in, ElementType member, RetentionPolicy policy) throws IOException { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1083 | int num_annotations = in.readUnsignedShort(); // # of annotations |
| 1084 | for (int a = 0; a < num_annotations; a++) { |
| 1085 | if (cd == null) |
| 1086 | doAnnotation(in, member, policy, false); |
| 1087 | else { |
| 1088 | Annotation annotion = doAnnotation(in, member, policy, true); |
| 1089 | cd.annotation(annotion); |
| 1090 | } |
| 1091 | } |
| 1092 | } |
| 1093 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1094 | private Annotation doAnnotation(DataInputStream in, ElementType member, RetentionPolicy policy, boolean collect) |
| 1095 | throws IOException { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1096 | int type_index = in.readUnsignedShort(); |
| 1097 | if (annotations == null) |
| 1098 | annotations = new HashSet<TypeRef>(); |
| 1099 | |
| 1100 | TypeRef tr = analyzer.getTypeRef(pool[type_index].toString()); |
| 1101 | annotations.add(tr); |
| 1102 | |
| 1103 | if (policy == RetentionPolicy.RUNTIME) { |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1104 | referTo(type_index,0); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1105 | hasRuntimeAnnotations = true; |
| 1106 | } else { |
| 1107 | hasClassAnnotations = true; |
| 1108 | } |
| 1109 | TypeRef name = analyzer.getTypeRef((String) pool[type_index]); |
| 1110 | int num_element_value_pairs = in.readUnsignedShort(); |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1111 | Map<String,Object> elements = null; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1112 | for (int v = 0; v < num_element_value_pairs; v++) { |
| 1113 | int element_name_index = in.readUnsignedShort(); |
| 1114 | String element = (String) pool[element_name_index]; |
| 1115 | Object value = doElementValue(in, member, policy, collect); |
| 1116 | if (collect) { |
| 1117 | if (elements == null) |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1118 | elements = new LinkedHashMap<String,Object>(); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1119 | elements.put(element, value); |
| 1120 | } |
| 1121 | } |
| 1122 | if (collect) |
| 1123 | return new Annotation(name, elements, member, policy); |
Stuart McCulloch | 669423b | 2012-06-26 16:34:24 +0000 | [diff] [blame] | 1124 | return null; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1125 | } |
| 1126 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1127 | private Object doElementValue(DataInputStream in, ElementType member, RetentionPolicy policy, boolean collect) |
| 1128 | throws IOException { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1129 | char tag = (char) in.readUnsignedByte(); |
| 1130 | switch (tag) { |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1131 | case 'B' : // Byte |
| 1132 | case 'C' : // Character |
| 1133 | case 'I' : // Integer |
| 1134 | case 'S' : // Short |
| 1135 | int const_value_index = in.readUnsignedShort(); |
| 1136 | return intPool[const_value_index]; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1137 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1138 | case 'D' : // Double |
| 1139 | case 'F' : // Float |
| 1140 | case 's' : // String |
| 1141 | case 'J' : // Long |
| 1142 | const_value_index = in.readUnsignedShort(); |
| 1143 | return pool[const_value_index]; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1144 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1145 | case 'Z' : // Boolean |
| 1146 | const_value_index = in.readUnsignedShort(); |
| 1147 | return pool[const_value_index] == null || pool[const_value_index].equals(0) ? false : true; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1148 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1149 | case 'e' : // enum constant |
| 1150 | int type_name_index = in.readUnsignedShort(); |
| 1151 | if (policy == RetentionPolicy.RUNTIME) |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1152 | referTo(type_name_index,0); |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1153 | int const_name_index = in.readUnsignedShort(); |
| 1154 | return pool[const_name_index]; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1155 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1156 | case 'c' : // Class |
| 1157 | int class_info_index = in.readUnsignedShort(); |
| 1158 | if (policy == RetentionPolicy.RUNTIME) |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1159 | referTo(class_info_index,0); |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1160 | return pool[class_info_index]; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1161 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1162 | case '@' : // Annotation type |
| 1163 | return doAnnotation(in, member, policy, collect); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1164 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1165 | case '[' : // Array |
| 1166 | int num_values = in.readUnsignedShort(); |
| 1167 | Object[] result = new Object[num_values]; |
| 1168 | for (int i = 0; i < num_values; i++) { |
| 1169 | result[i] = doElementValue(in, member, policy, collect); |
| 1170 | } |
| 1171 | return result; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1172 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1173 | default : |
| 1174 | throw new IllegalArgumentException("Invalid value for Annotation ElementValue tag " + tag); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1175 | } |
| 1176 | } |
| 1177 | |
| 1178 | /** |
| 1179 | * Add a new package reference. |
| 1180 | * |
| 1181 | * @param packageRef |
| 1182 | * A '.' delimited package name |
| 1183 | */ |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1184 | void referTo(TypeRef typeRef, int modifiers) { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1185 | if (xref != null) |
| 1186 | xref.add(typeRef); |
| 1187 | if (typeRef.isPrimitive()) |
| 1188 | return; |
| 1189 | |
| 1190 | PackageRef packageRef = typeRef.getPackageRef(); |
| 1191 | if (packageRef.isPrimitivePackage()) |
| 1192 | return; |
| 1193 | |
| 1194 | imports.add(packageRef); |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1195 | |
| 1196 | if ( api != null && (Modifier.isPublic(modifiers)||Modifier.isProtected(modifiers))) |
| 1197 | api.add(packageRef); |
| 1198 | } |
| 1199 | |
| 1200 | void referTo( int index, int modifiers) { |
| 1201 | String descriptor = (String) pool[index]; |
| 1202 | parseDescriptor(descriptor, modifiers); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1203 | } |
| 1204 | |
| 1205 | /** |
| 1206 | * This method parses a descriptor and adds the package of the descriptor to |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1207 | * the referenced packages. The syntax of the descriptor is: |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1208 | * |
| 1209 | * <pre> |
| 1210 | * descriptor ::= ( '(' reference * ')' )? reference |
| 1211 | * reference ::= 'L' classname ( '<' references '>' )? ';' | 'B' | 'Z' | ... | '+' | '-' | '[' |
| 1212 | * </pre> |
| 1213 | * |
| 1214 | * This methods uses heavy recursion to parse the descriptor and a roving |
| 1215 | * pointer to limit the creation of string objects. |
| 1216 | * |
| 1217 | * @param descriptor |
| 1218 | * The to be parsed descriptor |
| 1219 | * @param rover |
| 1220 | * The pointer to start at |
| 1221 | */ |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1222 | |
| 1223 | public void parseDescriptor(String descriptor, int modifiers) { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1224 | // Some descriptors are weird, they start with a generic |
| 1225 | // declaration that contains ':', not sure what they mean ... |
| 1226 | int rover = 0; |
| 1227 | if (descriptor.charAt(0) == '<') { |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1228 | rover = parseFormalTypeParameters(descriptor, rover, modifiers); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1229 | } |
| 1230 | |
| 1231 | if (descriptor.charAt(rover) == '(') { |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1232 | rover = parseReferences(descriptor, rover + 1, ')', modifiers); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1233 | rover++; |
| 1234 | } |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1235 | parseReferences(descriptor, rover, (char) 0, modifiers); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1236 | } |
| 1237 | |
| 1238 | /** |
| 1239 | * Parse a sequence of references. A sequence ends with a given character or |
| 1240 | * when the string ends. |
| 1241 | * |
| 1242 | * @param descriptor |
| 1243 | * The whole descriptor. |
| 1244 | * @param rover |
| 1245 | * The index in the descriptor |
| 1246 | * @param delimiter |
| 1247 | * The end character or 0 |
| 1248 | * @return the last index processed, one character after the delimeter |
| 1249 | */ |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1250 | int parseReferences(String descriptor, int rover, char delimiter, int modifiers) { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1251 | int r = rover; |
| 1252 | while (r < descriptor.length() && descriptor.charAt(r) != delimiter) { |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1253 | r = parseReference(descriptor, r, modifiers); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1254 | } |
| 1255 | return r; |
| 1256 | } |
| 1257 | |
| 1258 | /** |
| 1259 | * Parse a single reference. This can be a single character or an object |
| 1260 | * reference when it starts with 'L'. |
| 1261 | * |
| 1262 | * @param descriptor |
| 1263 | * The descriptor |
| 1264 | * @param rover |
| 1265 | * The place to start |
| 1266 | * @return The return index after the reference |
| 1267 | */ |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1268 | int parseReference(String descriptor, int rover, int modifiers) { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1269 | int r = rover; |
| 1270 | char c = descriptor.charAt(r); |
| 1271 | while (c == '[') |
| 1272 | c = descriptor.charAt(++r); |
| 1273 | |
| 1274 | if (c == '<') { |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1275 | r = parseReferences(descriptor, r + 1, '>', modifiers); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1276 | } else if (c == 'T') { |
| 1277 | // Type variable name |
| 1278 | r++; |
| 1279 | while (descriptor.charAt(r) != ';') |
| 1280 | r++; |
| 1281 | } else if (c == 'L') { |
| 1282 | StringBuilder sb = new StringBuilder(); |
| 1283 | r++; |
| 1284 | while ((c = descriptor.charAt(r)) != ';') { |
| 1285 | if (c == '<') { |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1286 | r = parseReferences(descriptor, r + 1, '>', modifiers); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1287 | } else |
| 1288 | sb.append(c); |
| 1289 | r++; |
| 1290 | } |
| 1291 | TypeRef ref = analyzer.getTypeRef(sb.toString()); |
| 1292 | if (cd != null) |
| 1293 | cd.addReference(ref); |
| 1294 | |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1295 | referTo(ref, modifiers); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1296 | } else { |
| 1297 | if ("+-*BCDFIJSZV".indexOf(c) < 0) |
| 1298 | ;// System.err.println("Should not skip: " + c); |
| 1299 | } |
| 1300 | |
| 1301 | // this skips a lot of characters |
| 1302 | // [, *, +, -, B, etc. |
| 1303 | |
| 1304 | return r + 1; |
| 1305 | } |
| 1306 | |
| 1307 | /** |
| 1308 | * FormalTypeParameters |
| 1309 | * |
| 1310 | * @param descriptor |
| 1311 | * @param index |
| 1312 | * @return |
| 1313 | */ |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1314 | private int parseFormalTypeParameters(String descriptor, int index, int modifiers) { |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1315 | index++; |
| 1316 | while (descriptor.charAt(index) != '>') { |
| 1317 | // Skip IDENTIFIER |
| 1318 | index = descriptor.indexOf(':', index) + 1; |
| 1319 | if (index == 0) |
| 1320 | throw new IllegalArgumentException("Expected IDENTIFIER: " + descriptor); |
| 1321 | |
| 1322 | // ClassBound? InterfaceBounds |
| 1323 | |
| 1324 | char c = descriptor.charAt(index); |
| 1325 | |
| 1326 | // Class Bound? |
| 1327 | if (c == 'L' || c == 'T') { |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1328 | index = parseReference(descriptor, index, modifiers); // class reference |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1329 | c = descriptor.charAt(index); |
| 1330 | } |
| 1331 | |
| 1332 | // Interface Bounds |
| 1333 | while (c == ':') { |
| 1334 | index++; |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1335 | index = parseReference(descriptor, index, modifiers); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1336 | c = descriptor.charAt(index); |
| 1337 | } // for each interface |
| 1338 | |
| 1339 | } // for each formal parameter |
| 1340 | return index + 1; // skip > |
| 1341 | } |
| 1342 | |
| 1343 | public Set<PackageRef> getReferred() { |
| 1344 | return imports; |
| 1345 | } |
| 1346 | |
| 1347 | public String getAbsolutePath() { |
| 1348 | return path; |
| 1349 | } |
| 1350 | |
| 1351 | public String getSourceFile() { |
| 1352 | return sourceFile; |
| 1353 | } |
| 1354 | |
| 1355 | /** |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1356 | * .class construct for different compilers sun 1.1 Detect static variable |
| 1357 | * class$com$acme$MyClass 1.2 " 1.3 " 1.4 " 1.5 ldc_w (class) 1.6 " eclipse |
| 1358 | * 1.1 class$0, ldc (string), invokestatic Class.forName 1.2 " 1.3 " 1.5 ldc |
| 1359 | * (class) 1.6 " 1.5 and later is not an issue, sun pre 1.5 is easy to |
| 1360 | * detect the static variable that decodes the class name. For eclipse, the |
| 1361 | * class$0 gives away we have a reference encoded in a string. |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1362 | * compilerversions/compilerversions.jar contains test versions of all |
| 1363 | * versions/compilers. |
| 1364 | */ |
| 1365 | |
| 1366 | public void reset() { |
| 1367 | pool = null; |
| 1368 | intPool = null; |
| 1369 | xref = null; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1370 | } |
| 1371 | |
| 1372 | public boolean is(QUERY query, Instruction instr, Analyzer analyzer) throws Exception { |
| 1373 | switch (query) { |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1374 | case ANY : |
| 1375 | return true; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1376 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1377 | case NAMED : |
| 1378 | if (instr.matches(getClassName().getDottedOnly())) |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1379 | return !instr.isNegated(); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1380 | return false; |
| 1381 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1382 | case VERSION : |
| 1383 | String v = major + "." + minor; |
| 1384 | if (instr.matches(v)) |
| 1385 | return !instr.isNegated(); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1386 | return false; |
| 1387 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1388 | case IMPLEMENTS : |
| 1389 | for (int i = 0; interfaces != null && i < interfaces.length; i++) { |
| 1390 | if (instr.matches(interfaces[i].getDottedOnly())) |
| 1391 | return !instr.isNegated(); |
| 1392 | } |
| 1393 | break; |
| 1394 | |
| 1395 | case EXTENDS : |
| 1396 | if (zuper == null) |
| 1397 | return false; |
| 1398 | |
| 1399 | if (instr.matches(zuper.getDottedOnly())) |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1400 | return !instr.isNegated(); |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1401 | break; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1402 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1403 | case PUBLIC : |
| 1404 | return Modifier.isPublic(accessx); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1405 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1406 | case CONCRETE : |
| 1407 | return !Modifier.isAbstract(accessx); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1408 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1409 | case ANNOTATED : |
| 1410 | if (annotations == null) |
| 1411 | return false; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1412 | |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1413 | for (TypeRef annotation : annotations) { |
| 1414 | if (instr.matches(annotation.getFQN())) |
| 1415 | return !instr.isNegated(); |
| 1416 | } |
| 1417 | |
| 1418 | return false; |
| 1419 | |
| 1420 | case RUNTIMEANNOTATIONS : |
| 1421 | return hasClassAnnotations; |
| 1422 | case CLASSANNOTATIONS : |
| 1423 | return hasClassAnnotations; |
| 1424 | |
| 1425 | case ABSTRACT : |
| 1426 | return Modifier.isAbstract(accessx); |
| 1427 | |
| 1428 | case IMPORTS : |
| 1429 | for (PackageRef imp : imports) { |
| 1430 | if (instr.matches(imp.getFQN())) |
| 1431 | return !instr.isNegated(); |
| 1432 | } |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1433 | } |
| 1434 | |
| 1435 | if (zuper == null) |
| 1436 | return false; |
| 1437 | |
| 1438 | Clazz clazz = analyzer.findClass(zuper); |
| 1439 | if (clazz == null) |
| 1440 | return false; |
| 1441 | |
| 1442 | return clazz.is(query, instr, analyzer); |
| 1443 | } |
| 1444 | |
| 1445 | public String toString() { |
| 1446 | return className.getFQN(); |
| 1447 | } |
| 1448 | |
| 1449 | /** |
| 1450 | * Called when crawling the byte code and a method reference is found |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1451 | */ |
| 1452 | void getMethodDef(int access, int methodRefPoolIndex) { |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1453 | if (methodRefPoolIndex == 0) |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1454 | return; |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1455 | |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1456 | Object o = pool[methodRefPoolIndex]; |
| 1457 | if (o != null && o instanceof Assoc) { |
| 1458 | Assoc assoc = (Assoc) o; |
| 1459 | if (assoc.tag == 10) { |
| 1460 | int string_index = intPool[assoc.a]; |
| 1461 | TypeRef className = analyzer.getTypeRef((String) pool[string_index]); |
| 1462 | int name_and_type_index = assoc.b; |
| 1463 | Assoc name_and_type = (Assoc) pool[name_and_type_index]; |
| 1464 | if (name_and_type.tag == 12) { |
| 1465 | // Name and Type |
| 1466 | int name_index = name_and_type.a; |
| 1467 | int type_index = name_and_type.b; |
| 1468 | String method = (String) pool[name_index]; |
| 1469 | String descriptor = (String) pool[type_index]; |
| 1470 | cd.referenceMethod(access, className, method, descriptor); |
| 1471 | } else |
| 1472 | throw new IllegalArgumentException( |
| 1473 | "Invalid class file (or parsing is wrong), assoc is not type + name (12)"); |
| 1474 | } else |
| 1475 | throw new IllegalArgumentException( |
| 1476 | "Invalid class file (or parsing is wrong), Assoc is not method ref! (10)"); |
| 1477 | } else |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1478 | throw new IllegalArgumentException("Invalid class file (or parsing is wrong), Not an assoc at a method ref"); |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1479 | } |
| 1480 | |
| 1481 | public boolean isPublic() { |
| 1482 | return Modifier.isPublic(accessx); |
| 1483 | } |
| 1484 | |
| 1485 | public boolean isProtected() { |
| 1486 | return Modifier.isProtected(accessx); |
| 1487 | } |
| 1488 | |
| 1489 | public boolean isEnum() { |
| 1490 | return zuper != null && zuper.getBinary().equals("java/lang/Enum"); |
| 1491 | } |
| 1492 | |
| 1493 | public JAVA getFormat() { |
| 1494 | return JAVA.format(major); |
| 1495 | |
| 1496 | } |
| 1497 | |
| 1498 | public static String objectDescriptorToFQN(String string) { |
| 1499 | if (string.startsWith("L") && string.endsWith(";")) |
| 1500 | return string.substring(1, string.length() - 1).replace('/', '.'); |
| 1501 | |
| 1502 | switch (string.charAt(0)) { |
Stuart McCulloch | 4482c70 | 2012-06-15 13:27:53 +0000 | [diff] [blame] | 1503 | case 'V' : |
| 1504 | return "void"; |
| 1505 | case 'B' : |
| 1506 | return "byte"; |
| 1507 | case 'C' : |
| 1508 | return "char"; |
| 1509 | case 'I' : |
| 1510 | return "int"; |
| 1511 | case 'S' : |
| 1512 | return "short"; |
| 1513 | case 'D' : |
| 1514 | return "double"; |
| 1515 | case 'F' : |
| 1516 | return "float"; |
| 1517 | case 'J' : |
| 1518 | return "long"; |
| 1519 | case 'Z' : |
| 1520 | return "boolean"; |
| 1521 | case '[' : // Array |
| 1522 | return objectDescriptorToFQN(string.substring(1)) + "[]"; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1523 | } |
| 1524 | throw new IllegalArgumentException("Invalid type character in descriptor " + string); |
| 1525 | } |
| 1526 | |
| 1527 | public static String unCamel(String id) { |
| 1528 | StringBuilder out = new StringBuilder(); |
| 1529 | for (int i = 0; i < id.length(); i++) { |
| 1530 | char c = id.charAt(i); |
| 1531 | if (c == '_' || c == '$' || c == '.') { |
| 1532 | if (out.length() > 0 && !Character.isWhitespace(out.charAt(out.length() - 1))) |
| 1533 | out.append(' '); |
| 1534 | continue; |
| 1535 | } |
| 1536 | |
| 1537 | int n = i; |
| 1538 | while (n < id.length() && Character.isUpperCase(id.charAt(n))) { |
| 1539 | n++; |
| 1540 | } |
| 1541 | if (n == i) |
| 1542 | out.append(id.charAt(i)); |
| 1543 | else { |
| 1544 | boolean tolower = (n - i) == 1; |
| 1545 | if (i > 0 && !Character.isWhitespace(out.charAt(out.length() - 1))) |
| 1546 | out.append(' '); |
| 1547 | |
| 1548 | for (; i < n;) { |
| 1549 | if (tolower) |
| 1550 | out.append(Character.toLowerCase(id.charAt(i))); |
| 1551 | else |
| 1552 | out.append(id.charAt(i)); |
| 1553 | i++; |
| 1554 | } |
| 1555 | i--; |
| 1556 | } |
| 1557 | } |
| 1558 | if (id.startsWith(".")) |
| 1559 | out.append(" *"); |
| 1560 | out.replace(0, 1, Character.toUpperCase(out.charAt(0)) + ""); |
| 1561 | return out.toString(); |
| 1562 | } |
| 1563 | |
| 1564 | public boolean isInterface() { |
| 1565 | return Modifier.isInterface(accessx); |
| 1566 | } |
| 1567 | |
| 1568 | public boolean isAbstract() { |
| 1569 | return Modifier.isAbstract(accessx); |
| 1570 | } |
| 1571 | |
| 1572 | public int getAccess() { |
| 1573 | if (innerAccess == -1) |
| 1574 | return accessx; |
Stuart McCulloch | 669423b | 2012-06-26 16:34:24 +0000 | [diff] [blame] | 1575 | return innerAccess; |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1576 | } |
| 1577 | |
| 1578 | public TypeRef getClassName() { |
| 1579 | return className; |
| 1580 | } |
| 1581 | |
| 1582 | /** |
| 1583 | * To provide an enclosing instance |
| 1584 | * |
| 1585 | * @param access |
| 1586 | * @param name |
| 1587 | * @param descriptor |
| 1588 | * @return |
| 1589 | */ |
| 1590 | public MethodDef getMethodDef(int access, String name, String descriptor) { |
| 1591 | return new MethodDef(access, name, descriptor); |
| 1592 | } |
| 1593 | |
| 1594 | public TypeRef getSuper() { |
| 1595 | return zuper; |
| 1596 | } |
| 1597 | |
| 1598 | public String getFQN() { |
| 1599 | return className.getFQN(); |
| 1600 | } |
| 1601 | |
| 1602 | public TypeRef[] getInterfaces() { |
| 1603 | return interfaces; |
| 1604 | } |
| 1605 | |
| 1606 | public void setInnerAccess(int access) { |
| 1607 | innerAccess = access; |
| 1608 | } |
| 1609 | |
| 1610 | public boolean isFinal() { |
| 1611 | return Modifier.isFinal(accessx); |
| 1612 | } |
| 1613 | |
| 1614 | public void setDeprecated(boolean b) { |
| 1615 | deprecated = b; |
| 1616 | } |
| 1617 | |
| 1618 | public boolean isDeprecated() { |
| 1619 | return deprecated; |
| 1620 | } |
| 1621 | |
| 1622 | public boolean isAnnotation() { |
| 1623 | return (accessx & ACC_ANNOTATION) != 0; |
| 1624 | } |
Stuart McCulloch | 42151ee | 2012-07-16 13:43:38 +0000 | [diff] [blame] | 1625 | |
| 1626 | public Set<PackageRef> getAPIUses() { |
| 1627 | if ( api == null) |
| 1628 | return Collections.emptySet(); |
| 1629 | return api; |
| 1630 | } |
Stuart McCulloch | f317322 | 2012-06-07 21:57:32 +0000 | [diff] [blame] | 1631 | } |