| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2008, 2009 IBM Corporation and others. |
| 3 | * All rights reserved. This program and the accompanying materials |
| 4 | * are made available under the terms of the Eclipse Public License v1.0 |
| 5 | * which accompanies this distribution, and is available at |
| 6 | * http://www.eclipse.org/legal/epl-v10.html |
| 7 | * |
| 8 | * Contributors: |
| 9 | * IBM Corporation - initial API and implementation |
| 10 | *******************************************************************************/ |
| 11 | package org.eclipse.pde.api.tools.internal.builder; |
| 12 | |
| 13 | import org.eclipse.core.runtime.CoreException; |
| 14 | import org.eclipse.jdt.core.Flags; |
| 15 | import org.eclipse.pde.api.tools.internal.model.StubApiComponent; |
| 16 | import org.eclipse.pde.api.tools.internal.provisional.Factory; |
| 17 | import org.eclipse.pde.api.tools.internal.provisional.IApiAccess; |
| 18 | import org.eclipse.pde.api.tools.internal.provisional.IApiAnnotations; |
| 19 | import org.eclipse.pde.api.tools.internal.provisional.IApiDescription; |
| 20 | import org.eclipse.pde.api.tools.internal.provisional.VisibilityModifiers; |
| 21 | import org.eclipse.pde.api.tools.internal.provisional.builder.IReference; |
| 22 | import org.eclipse.pde.api.tools.internal.provisional.descriptors.IComponentDescriptor; |
| 23 | import org.eclipse.pde.api.tools.internal.provisional.model.IApiComponent; |
| 24 | import org.eclipse.pde.api.tools.internal.provisional.model.IApiMember; |
| 25 | import org.eclipse.pde.api.tools.internal.provisional.model.IApiMethod; |
| 26 | import org.eclipse.pde.api.tools.internal.provisional.model.IApiType; |
| 27 | import org.eclipse.pde.api.tools.internal.provisional.model.IApiTypeRoot; |
| 28 | import org.eclipse.pde.api.tools.internal.search.IReferenceDescriptor; |
| 29 | import org.eclipse.pde.api.tools.internal.search.ReferenceDescriptor; |
| 30 | import org.eclipse.pde.api.tools.internal.search.UseReportConverter; |
| 31 | import org.eclipse.pde.api.tools.internal.util.Signatures; |
| 32 | import org.eclipse.pde.api.tools.internal.util.Util; |
| 33 | |
| 34 | /** |
| 35 | * Implementation of a reference from one member to another. |
| 36 | * |
| 37 | * @since 1.0.0 |
| 38 | */ |
| 39 | public class Reference implements IReference { |
| 40 | |
| 41 | /** |
| 42 | * Line number where the reference occurred. |
| 43 | */ |
| 44 | private int fSourceLine = -1; |
| 45 | |
| 46 | /** |
| 47 | * Member where the reference occurred. |
| 48 | */ |
| 49 | private IApiMember fSourceMember; |
| 50 | |
| 51 | /** |
| 52 | * One of the valid {@link org.eclipse.pde.api.tools.internal.provisional.search.ReferenceModifiers} |
| 53 | */ |
| 54 | private int fKind; |
| 55 | |
| 56 | /** |
| 57 | * One of the valid type, method, field. |
| 58 | */ |
| 59 | private int fType; |
| 60 | |
| 61 | /** |
| 62 | * Name of the referenced type |
| 63 | */ |
| 64 | private String fTypeName; |
| 65 | |
| 66 | /** |
| 67 | * Name of the referenced member or <code>null</code> |
| 68 | */ |
| 69 | private String fMemberName; |
| 70 | |
| 71 | /** |
| 72 | * Signature of the referenced method or <code>null</code> |
| 73 | */ |
| 74 | private String fSignature; |
| 75 | |
| 76 | /** |
| 77 | * Resolved reference or <code>null</code> |
| 78 | */ |
| 79 | private IApiMember fResolved; |
| 80 | |
| 81 | /** |
| 82 | * Resolvable status |
| 83 | */ |
| 84 | private boolean fStatus = true; |
| 85 | |
| 86 | /* (non-Javadoc) |
| 87 | * @see org.eclipse.pde.api.tools.internal.provisional.model.IReference#getLineNumber() |
| 88 | */ |
| 89 | public int getLineNumber() { |
| 90 | return fSourceLine; |
| 91 | } |
| 92 | |
| 93 | /* (non-Javadoc) |
| 94 | * @see org.eclipse.pde.api.tools.internal.provisional.model.IReference#getMember() |
| 95 | */ |
| 96 | public IApiMember getMember() { |
| 97 | return fSourceMember; |
| 98 | } |
| 99 | |
| 100 | /* (non-Javadoc) |
| 101 | * @see org.eclipse.pde.api.tools.internal.provisional.model.IReference#getReferenceKind() |
| 102 | */ |
| 103 | public int getReferenceKind() { |
| 104 | return fKind; |
| 105 | } |
| 106 | |
| 107 | /* (non-Javadoc) |
| 108 | * @see org.eclipse.pde.api.tools.internal.provisional.model.IReference#getReferenceType() |
| 109 | */ |
| 110 | public int getReferenceType() { |
| 111 | return fType; |
| 112 | } |
| 113 | |
| 114 | /* (non-Javadoc) |
| 115 | * @see org.eclipse.pde.api.tools.internal.provisional.model.IReference#getReferencedMember() |
| 116 | */ |
| 117 | public IApiMember getResolvedReference() { |
| 118 | return fResolved; |
| 119 | } |
| 120 | |
| 121 | /* (non-Javadoc) |
| 122 | * @see org.eclipse.pde.api.tools.internal.provisional.model.IReference#getReferencedMemberName() |
| 123 | */ |
| 124 | public String getReferencedMemberName() { |
| 125 | return fMemberName; |
| 126 | } |
| 127 | |
| 128 | /* (non-Javadoc) |
| 129 | * @see org.eclipse.pde.api.tools.internal.provisional.model.IReference#getReferencedSignature() |
| 130 | */ |
| 131 | public String getReferencedSignature() { |
| 132 | return fSignature; |
| 133 | } |
| 134 | |
| 135 | /* (non-Javadoc) |
| 136 | * @see org.eclipse.pde.api.tools.internal.provisional.model.IReference#getReferencedTypeName() |
| 137 | */ |
| 138 | public String getReferencedTypeName() { |
| 139 | return fTypeName; |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * Creates and returns a method reference. |
| 144 | * |
| 145 | * @param origin where the reference occurred from |
| 146 | * @param typeName name of the referenced type where virtual method lookup begins |
| 147 | * @param methodName name of the referenced method |
| 148 | * @param signature signature of the referenced method |
| 149 | * @param kind kind of method reference |
| 150 | */ |
| 151 | public static Reference methodReference(IApiMember origin, String typeName, String methodName, String signature, int kind) { |
| 152 | Reference ref = new Reference(); |
| 153 | ref.fSourceMember = origin; |
| 154 | ref.fTypeName = typeName; |
| 155 | ref.fMemberName = methodName; |
| 156 | ref.fSignature = signature; |
| 157 | ref.fKind = kind; |
| 158 | ref.fType = IReference.T_METHOD_REFERENCE; |
| 159 | return ref; |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Creates and returns a field reference. |
| 164 | * |
| 165 | * @param origin where the reference occurred from |
| 166 | * @param typeName name of the referenced type where field lookup begins |
| 167 | * @param fieldName name of the referenced field |
| 168 | * @param kind kind of field reference |
| 169 | */ |
| 170 | public static Reference fieldReference(IApiMember origin, String typeName, String fieldName, int kind) { |
| 171 | Reference ref = new Reference(); |
| 172 | ref.fSourceMember = origin; |
| 173 | ref.fTypeName = typeName; |
| 174 | ref.fMemberName = fieldName; |
| 175 | ref.fKind = kind; |
| 176 | ref.fType = IReference.T_FIELD_REFERENCE; |
| 177 | return ref; |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Creates and returns a type reference. |
| 182 | * |
| 183 | * @param origin where the reference occurred from |
| 184 | * @param typeName name of the referenced type |
| 185 | * @param kind kind of reference |
| 186 | */ |
| 187 | public static Reference typeReference(IApiMember origin, String typeName, int kind) { |
| 188 | Reference ref = new Reference(); |
| 189 | ref.fSourceMember = origin; |
| 190 | ref.fTypeName = typeName; |
| 191 | ref.fKind = kind; |
| 192 | ref.fType = IReference.T_TYPE_REFERENCE; |
| 193 | return ref; |
| 194 | } |
| 195 | |
| 196 | /** |
| 197 | * Creates and returns a type reference. |
| 198 | * |
| 199 | * @param origin where the reference occurred from |
| 200 | * @param typeName name of the referenced type |
| 201 | * @param signature extra type signature information |
| 202 | * @param kind kind of reference |
| 203 | */ |
| 204 | public static Reference typeReference(IApiMember origin, String typeName, String signature, int kind) { |
| 205 | Reference ref = typeReference(origin, typeName, kind); |
| 206 | ref.fSignature = signature; |
| 207 | return ref; |
| 208 | } |
| 209 | |
| 210 | /** |
| 211 | * Sets the line number - used by the reference extractor. |
| 212 | * |
| 213 | * @param line line number |
| 214 | */ |
| 215 | void setLineNumber(int line) { |
| 216 | fSourceLine = line; |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * Resolves this reference in the given profile. |
| 221 | * |
| 222 | * @param engine search engine resolving the reference |
| 223 | * @throws CoreException |
| 224 | */ |
| 225 | public void resolve() throws CoreException { |
| 226 | if (!this.fStatus) { |
| 227 | return; |
| 228 | } |
| 229 | if (fResolved == null) { |
| 230 | IApiComponent sourceComponent = getMember().getApiComponent(); |
| 231 | if(sourceComponent != null) { |
| 232 | IApiTypeRoot result = Util.getClassFile( |
| 233 | sourceComponent.getBaseline().resolvePackage(sourceComponent, Signatures.getPackageName(getReferencedTypeName())), |
| 234 | getReferencedTypeName()); |
| 235 | if(result != null) { |
| 236 | IApiType type = result.getStructure(); |
| 237 | if(type == null) { |
| 238 | //cannot resolve a type that is in a bad classfile |
| 239 | return; |
| 240 | } |
| 241 | switch (getReferenceType()) { |
| 242 | case IReference.T_TYPE_REFERENCE: |
| 243 | fResolved = type; |
| 244 | break; |
| 245 | case IReference.T_FIELD_REFERENCE: |
| 246 | fResolved = type.getField(getReferencedMemberName()); |
| 247 | break; |
| 248 | case IReference.T_METHOD_REFERENCE: |
| 249 | resolveVirtualMethod(type, getReferencedMemberName(), getReferencedSignature()); |
| 250 | break; |
| 251 | } |
| 252 | } |
| 253 | } |
| 254 | } |
| 255 | // TODO: throw exception on failure |
| 256 | } |
| 257 | public boolean resolve(int eeValue) throws CoreException { |
| 258 | IApiComponent sourceComponent = StubApiComponent.getStubApiComponent(eeValue); |
| 259 | if (sourceComponent == null) { |
| 260 | // if there is no source component for the ee value, the reference is considered as resolved |
| 261 | return true; |
| 262 | } |
| 263 | IApiTypeRoot result = Util.getClassFile( |
| 264 | new IApiComponent[] { sourceComponent }, |
| 265 | getReferencedTypeName()); |
| 266 | if(result != null) { |
| 267 | IApiType type = result.getStructure(); |
| 268 | if(type == null) { |
| 269 | return false; |
| 270 | } |
| 271 | switch (getReferenceType()) { |
| 272 | case IReference.T_TYPE_REFERENCE: |
| 273 | return true; |
| 274 | case IReference.T_FIELD_REFERENCE: |
| 275 | return type.getField(getReferencedMemberName()) != null; |
| 276 | case IReference.T_METHOD_REFERENCE: |
| 277 | return resolveVirtualMethod0(sourceComponent, type, getReferencedMemberName(), getReferencedSignature()); |
| 278 | } |
| 279 | } |
| 280 | return false; |
| 281 | } |
| 282 | /** |
| 283 | * Resolves a virtual method and returns whether the method lookup was successful. |
| 284 | * We need to resolve the actual type that implements the method - i.e. do the virtual |
| 285 | * method lookup. |
| 286 | * |
| 287 | * @param callSiteComponent the component where the method call site was located |
| 288 | * @param typeName referenced type name |
| 289 | * @param methodName referenced method name |
| 290 | * @param methodSignature referenced method signature |
| 291 | * @returns whether the lookup succeeded |
| 292 | * @throws CoreException if something goes terribly wrong |
| 293 | */ |
| 294 | private boolean resolveVirtualMethod(IApiType type, String methodName, String methodSignature) throws CoreException { |
| 295 | IApiMethod target = type.getMethod(methodName, methodSignature); |
| 296 | if (target != null) { |
| 297 | if (target.isSynthetic()) { |
| 298 | // don't resolve references to synthetic methods |
| 299 | return false; |
| 300 | } else { |
| 301 | fResolved = target; |
| 302 | return true; |
| 303 | } |
| 304 | } |
| 305 | if (getReferenceKind() == IReference.REF_INTERFACEMETHOD) { |
| 306 | // resolve method in super interfaces rather than class |
| 307 | IApiType[] interfaces = type.getSuperInterfaces(); |
| 308 | if (interfaces != null) { |
| 309 | for (int i = 0; i < interfaces.length; i++) { |
| 310 | if (resolveVirtualMethod(interfaces[i], methodName, methodSignature)) { |
| 311 | return true; |
| 312 | } |
| 313 | } |
| 314 | } |
| 315 | } else { |
| 316 | IApiType superT = type.getSuperclass(); |
| 317 | if (superT != null) { |
| 318 | return resolveVirtualMethod(superT, methodName, methodSignature); |
| 319 | } |
| 320 | } |
| 321 | return false; |
| 322 | } |
| 323 | |
| 324 | /** |
| 325 | * Resolves a virtual method and returns whether the method lookup was successful. |
| 326 | * We need to resolve the actual type that implements the method - i.e. do the virtual |
| 327 | * method lookup. |
| 328 | * |
| 329 | * @param callSiteComponent the component where the method call site was located |
| 330 | * @param typeName referenced type name |
| 331 | * @param methodName referenced method name |
| 332 | * @param methodSignature referenced method signature |
| 333 | * @returns whether the lookup succeeded |
| 334 | * @throws CoreException if something goes terribly wrong |
| 335 | */ |
| 336 | private boolean resolveVirtualMethod0(IApiComponent sourceComponent, IApiType type, String methodName, String methodSignature) throws CoreException { |
| 337 | IApiMethod target = type.getMethod(methodName, methodSignature); |
| 338 | if (target != null) { |
| 339 | if (target.isSynthetic()) { |
| 340 | // don't resolve references to synthetic methods |
| 341 | return false; |
| 342 | } else { |
| 343 | return true; |
| 344 | } |
| 345 | } |
| 346 | switch(this.fKind) { |
| 347 | case IReference.REF_INTERFACEMETHOD : |
| 348 | // resolve method in super interfaces rather than class |
| 349 | String[] interfacesNames = type.getSuperInterfaceNames(); |
| 350 | if (interfacesNames != null) { |
| 351 | for (int i = 0, max = interfacesNames.length; i < max; i++) { |
| 352 | IApiTypeRoot classFile = Util.getClassFile( |
| 353 | new IApiComponent[] { sourceComponent }, |
| 354 | interfacesNames[i]); |
| 355 | IApiType superinterface = classFile.getStructure(); |
| 356 | if (superinterface != null && resolveVirtualMethod0(sourceComponent, superinterface, methodName, methodSignature)) { |
| 357 | return true; |
| 358 | } |
| 359 | } |
| 360 | } |
| 361 | break; |
| 362 | case IReference.REF_VIRTUALMETHOD : |
| 363 | case IReference.REF_SPECIALMETHOD : |
| 364 | String superclassName = type.getSuperclassName(); |
| 365 | if (superclassName != null) { |
| 366 | IApiTypeRoot classFile = Util.getClassFile( |
| 367 | new IApiComponent[] { sourceComponent }, |
| 368 | superclassName); |
| 369 | IApiType superclass = classFile.getStructure(); |
| 370 | boolean resolved = resolveVirtualMethod0(sourceComponent, superclass, methodName, methodSignature); |
| 371 | if (resolved) { |
| 372 | return resolved; |
| 373 | } |
| 374 | } |
| 375 | if (Flags.isAbstract(type.getModifiers())) { |
| 376 | interfacesNames = type.getSuperInterfaceNames(); |
| 377 | if (interfacesNames != null) { |
| 378 | for (int i = 0, max = interfacesNames.length; i < max; i++) { |
| 379 | IApiTypeRoot classFile = Util.getClassFile( |
| 380 | new IApiComponent[] { sourceComponent }, |
| 381 | interfacesNames[i]); |
| 382 | IApiType superinterface = classFile.getStructure(); |
| 383 | if (superinterface != null && resolveVirtualMethod0(sourceComponent, superinterface, methodName, methodSignature)) { |
| 384 | return true; |
| 385 | } |
| 386 | } |
| 387 | } |
| 388 | } |
| 389 | } |
| 390 | return false; |
| 391 | } |
| 392 | /** |
| 393 | * Used by the search engine when resolving multiple references. |
| 394 | * |
| 395 | * @param resolution resolved reference |
| 396 | */ |
| 397 | public void setResolution(IApiMember resolution) { |
| 398 | fResolved = resolution; |
| 399 | } |
| 400 | |
| 401 | /* (non-Javadoc) |
| 402 | * @see java.lang.Object#toString() |
| 403 | */ |
| 404 | public String toString() { |
| 405 | StringBuffer buf = new StringBuffer(); |
| 406 | buf.append("From: "); //$NON-NLS-1$ |
| 407 | IApiMember member = getMember(); |
| 408 | buf.append(member.getHandle().toString()); |
| 409 | if (getResolvedReference() == null) { |
| 410 | buf.append("\nUnresolved To: "); //$NON-NLS-1$ |
| 411 | buf.append(getReferencedTypeName()); |
| 412 | if (getReferencedMemberName() != null) { |
| 413 | buf.append('#'); |
| 414 | buf.append(getReferencedMemberName()); |
| 415 | } |
| 416 | if (getReferencedSignature() != null) { |
| 417 | buf.append('#'); |
| 418 | buf.append(getReferencedSignature()); |
| 419 | } |
| 420 | } else { |
| 421 | buf.append("\nResolved To: "); //$NON-NLS-1$ |
| 422 | buf.append(getResolvedReference().getHandle().toString()); |
| 423 | } |
| 424 | buf.append("\nKind: "); //$NON-NLS-1$ |
| 425 | buf.append(Reference.getReferenceText(getReferenceKind())); |
| 426 | return buf.toString(); |
| 427 | } |
| 428 | |
| 429 | public void setResolveStatus(boolean value) { |
| 430 | this.fStatus = value; |
| 431 | } |
| 432 | |
| 433 | /** |
| 434 | * Returns the string representation for the given reference kind or |
| 435 | * <code>UKNOWN_KIND</code> if the kind cannot be determined. |
| 436 | * |
| 437 | * @param kind the kid(s) to get the display text for |
| 438 | * @return the string for the reference kind |
| 439 | * @since 1.0.1 |
| 440 | */ |
| 441 | public static final String getReferenceText(int kind) { |
| 442 | StringBuffer buffer = new StringBuffer(); |
| 443 | if((kind & IReference.REF_EXTENDS) > 0) { |
| 444 | buffer.append("EXTENDS"); //$NON-NLS-1$ |
| 445 | } |
| 446 | if((kind & IReference.REF_IMPLEMENTS) > 0) { |
| 447 | if(buffer.length() != 0) { |
| 448 | buffer.append(" | "); //$NON-NLS-1$ |
| 449 | } |
| 450 | buffer.append("IMPLEMENTS"); //$NON-NLS-1$ |
| 451 | } |
| 452 | if ((kind & IReference.REF_SPECIALMETHOD) > 0) { |
| 453 | if(buffer.length() != 0) { |
| 454 | buffer.append(" | "); //$NON-NLS-1$ |
| 455 | } |
| 456 | buffer.append("INVOKED_SPECIAL"); //$NON-NLS-1$ |
| 457 | } |
| 458 | if((kind & IReference.REF_STATICMETHOD) > 0) { |
| 459 | if(buffer.length() != 0) { |
| 460 | buffer.append(" | "); //$NON-NLS-1$ |
| 461 | } |
| 462 | buffer.append("INVOKED_STATIC"); //$NON-NLS-1$ |
| 463 | } |
| 464 | if((kind & IReference.REF_PUTFIELD) > 0) { |
| 465 | if(buffer.length() != 0) { |
| 466 | buffer.append(" | "); //$NON-NLS-1$ |
| 467 | } |
| 468 | buffer.append("PUT_FIELD"); //$NON-NLS-1$ |
| 469 | } |
| 470 | if((kind & IReference.REF_PUTSTATIC) > 0) { |
| 471 | if(buffer.length() != 0) { |
| 472 | buffer.append(" | "); //$NON-NLS-1$ |
| 473 | } |
| 474 | buffer.append("PUT_STATIC_FIELD"); //$NON-NLS-1$ |
| 475 | } |
| 476 | if((kind & IReference.REF_FIELDDECL) > 0) { |
| 477 | if(buffer.length() != 0) { |
| 478 | buffer.append(" | "); //$NON-NLS-1$ |
| 479 | } |
| 480 | buffer.append("DECLARED_FIELD"); //$NON-NLS-1$ |
| 481 | } |
| 482 | if((kind & IReference.REF_PARAMETERIZED_TYPEDECL) > 0) { |
| 483 | if(buffer.length() != 0) { |
| 484 | buffer.append(" | "); //$NON-NLS-1$ |
| 485 | } |
| 486 | buffer.append("DECLARED_PARAMETERIZED_TYPE"); //$NON-NLS-1$ |
| 487 | } |
| 488 | if((kind & IReference.REF_PARAMETERIZED_FIELDDECL) > 0) { |
| 489 | if(buffer.length() != 0) { |
| 490 | buffer.append(" | "); //$NON-NLS-1$ |
| 491 | } |
| 492 | buffer.append("DECLARED_PARAMETERIZED_FIELD"); //$NON-NLS-1$ |
| 493 | } |
| 494 | if((kind & IReference.REF_PARAMETERIZED_METHODDECL) > 0) { |
| 495 | if(buffer.length() != 0) { |
| 496 | buffer.append(" | "); //$NON-NLS-1$ |
| 497 | } |
| 498 | buffer.append("DECLARED_PARAMETERIZED_METHOD"); //$NON-NLS-1$ |
| 499 | } |
| 500 | if((kind & IReference.REF_PARAMETER) > 0) { |
| 501 | if(buffer.length() != 0) { |
| 502 | buffer.append(" | "); //$NON-NLS-1$ |
| 503 | } |
| 504 | buffer.append("PARAMETER"); //$NON-NLS-1$ |
| 505 | } |
| 506 | if((kind & IReference.REF_LOCALVARIABLEDECL) > 0) { |
| 507 | if(buffer.length() != 0) { |
| 508 | buffer.append(" | "); //$NON-NLS-1$ |
| 509 | } |
| 510 | buffer.append("LOCAL_VAR_DECLARED"); //$NON-NLS-1$ |
| 511 | } |
| 512 | if((kind & IReference.REF_PARAMETERIZED_VARIABLE) > 0) { |
| 513 | if(buffer.length() != 0) { |
| 514 | buffer.append(" | "); //$NON-NLS-1$ |
| 515 | } |
| 516 | buffer.append("DECLARED_PARAMETERIZED_VARIABLE"); //$NON-NLS-1$ |
| 517 | } |
| 518 | if((kind & IReference.REF_THROWS) > 0) { |
| 519 | if(buffer.length() != 0) { |
| 520 | buffer.append(" | "); //$NON-NLS-1$ |
| 521 | } |
| 522 | buffer.append("THROWS"); //$NON-NLS-1$ |
| 523 | } |
| 524 | if((kind & IReference.REF_CHECKCAST) > 0) { |
| 525 | if(buffer.length() != 0) { |
| 526 | buffer.append(" | "); //$NON-NLS-1$ |
| 527 | } |
| 528 | buffer.append("CASTS"); //$NON-NLS-1$ |
| 529 | } |
| 530 | if((kind & IReference.REF_ARRAYALLOC) > 0) { |
| 531 | if(buffer.length() != 0) { |
| 532 | buffer.append(" | "); //$NON-NLS-1$ |
| 533 | } |
| 534 | buffer.append("ALLOCATES_ARRAY"); //$NON-NLS-1$ |
| 535 | } |
| 536 | if((kind & IReference.REF_CATCHEXCEPTION) > 0) { |
| 537 | if(buffer.length() != 0) { |
| 538 | buffer.append(" | "); //$NON-NLS-1$ |
| 539 | } |
| 540 | buffer.append("CATCHES_EXCEPTION"); //$NON-NLS-1$ |
| 541 | } |
| 542 | if((kind & IReference.REF_GETFIELD) > 0) { |
| 543 | if(buffer.length() != 0) { |
| 544 | buffer.append(" | "); //$NON-NLS-1$ |
| 545 | } |
| 546 | buffer.append("GETS_FIELD"); //$NON-NLS-1$ |
| 547 | } |
| 548 | if((kind & IReference.REF_GETSTATIC) > 0) { |
| 549 | if(buffer.length() != 0) { |
| 550 | buffer.append(" | "); //$NON-NLS-1$ |
| 551 | } |
| 552 | buffer.append("GETS_STATIC_FIELD"); //$NON-NLS-1$ |
| 553 | } |
| 554 | if((kind & IReference.REF_INSTANCEOF) > 0) { |
| 555 | if(buffer.length() != 0) { |
| 556 | buffer.append(" | "); //$NON-NLS-1$ |
| 557 | } |
| 558 | buffer.append("INSTANCEOF"); //$NON-NLS-1$ |
| 559 | } |
| 560 | if((kind & IReference.REF_INTERFACEMETHOD) > 0) { |
| 561 | if(buffer.length() != 0) { |
| 562 | buffer.append(" | "); //$NON-NLS-1$ |
| 563 | } |
| 564 | buffer.append("INTERFACE_METHOD"); //$NON-NLS-1$ |
| 565 | } |
| 566 | if((kind & IReference.REF_CONSTRUCTORMETHOD) > 0) { |
| 567 | if(buffer.length() != 0) { |
| 568 | buffer.append(" | "); //$NON-NLS-1$ |
| 569 | } |
| 570 | buffer.append("CONSTRUCTOR_METHOD"); //$NON-NLS-1$ |
| 571 | } |
| 572 | if((kind & IReference.REF_LOCALVARIABLE) > 0) { |
| 573 | if(buffer.length() != 0) { |
| 574 | buffer.append(" | "); //$NON-NLS-1$ |
| 575 | } |
| 576 | buffer.append("LOCAL_VARIABLE"); //$NON-NLS-1$ |
| 577 | } |
| 578 | if((kind & IReference.REF_PASSEDPARAMETER) > 0) { |
| 579 | if(buffer.length() != 0) { |
| 580 | buffer.append(" | "); //$NON-NLS-1$ |
| 581 | } |
| 582 | buffer.append("PASSED_PARAMETER"); //$NON-NLS-1$ |
| 583 | } |
| 584 | if((kind & IReference.REF_RETURNTYPE) > 0) { |
| 585 | if(buffer.length() != 0) { |
| 586 | buffer.append(" | "); //$NON-NLS-1$ |
| 587 | } |
| 588 | buffer.append("RETURN_TYPE"); //$NON-NLS-1$ |
| 589 | } |
| 590 | if((kind & IReference.REF_VIRTUALMETHOD) > 0) { |
| 591 | if(buffer.length() != 0) { |
| 592 | buffer.append(" | "); //$NON-NLS-1$ |
| 593 | } |
| 594 | buffer.append("VIRTUAL_METHOD"); //$NON-NLS-1$ |
| 595 | } |
| 596 | if((kind & IReference.REF_CONSTANTPOOL) > 0) { |
| 597 | if(buffer.length() != 0) { |
| 598 | buffer.append(" | "); //$NON-NLS-1$ |
| 599 | } |
| 600 | buffer.append("CONSTANT_POOL"); //$NON-NLS-1$ |
| 601 | } |
| 602 | if((kind & IReference.REF_INSTANTIATE) > 0) { |
| 603 | if(buffer.length() != 0) { |
| 604 | buffer.append(" | "); //$NON-NLS-1$ |
| 605 | } |
| 606 | buffer.append("INSTANTIATION"); //$NON-NLS-1$ |
| 607 | } |
| 608 | if((kind & IReference.REF_OVERRIDE) > 0) { |
| 609 | if(buffer.length() != 0) { |
| 610 | buffer.append(" | "); //$NON-NLS-1$ |
| 611 | } |
| 612 | buffer.append("OVERRIDE"); //$NON-NLS-1$ |
| 613 | } |
| 614 | if((kind & IReference.REF_SUPER_CONSTRUCTORMETHOD) > 0) { |
| 615 | if(buffer.length() != 0) { |
| 616 | buffer.append(" | "); //$NON-NLS-1$ |
| 617 | } |
| 618 | buffer.append("SUPER_CONSTRUCTORMETHOD"); //$NON-NLS-1$ |
| 619 | } |
| 620 | if(buffer.length() == 0) { |
| 621 | buffer.append(Util.UNKNOWN_KIND); |
| 622 | } |
| 623 | return buffer.toString(); |
| 624 | } |
| 625 | |
| 626 | /** |
| 627 | * Builds a reference descriptor from this reference or <code>null</code>. |
| 628 | * |
| 629 | * @return corresponding reference descriptor or <code>null</code> if unresolved |
| 630 | * @throws CoreException if unable to resolve visibility |
| 631 | */ |
| 632 | public IReferenceDescriptor getReferenceDescriptor() throws CoreException { |
| 633 | IApiMember res = getResolvedReference(); |
| 634 | if (res == null) { |
| 635 | return null; |
| 636 | } |
| 637 | IApiComponent rcomponent = res.getApiComponent(); |
| 638 | IApiDescription description = rcomponent.getApiDescription(); |
| 639 | IApiAnnotations annot = description.resolveAnnotations(getResolvedReference().getHandle()); |
| 640 | int visibility = -1; |
| 641 | IApiComponent mcomponent = getMember().getApiComponent(); |
| 642 | if(annot != null) { |
| 643 | visibility = annot.getVisibility(); |
| 644 | if(annot.getVisibility() == VisibilityModifiers.PRIVATE) { |
| 645 | IApiComponent host = mcomponent.getHost(); |
| 646 | if(host != null && host.getId().equals(rcomponent.getId())) { |
| 647 | visibility = UseReportConverter.FRAGMENT_PERMISSIBLE; |
| 648 | } |
| 649 | else { |
| 650 | IApiAccess access = description.resolveAccessLevel( |
| 651 | Factory.componentDescriptor(mcomponent.getId()), // component descriptors in API description are not version qualified |
| 652 | getResolvedReference().getHandle().getPackage()); |
| 653 | if(access != null && access.getAccessLevel() == IApiAccess.FRIEND) { |
| 654 | visibility = VisibilityModifiers.PRIVATE_PERMISSIBLE; |
| 655 | } |
| 656 | } |
| 657 | } |
| 658 | } |
| 659 | else { |
| 660 | //overflow for those references that cannot be resolved |
| 661 | visibility = VisibilityModifiers.ALL_VISIBILITIES; |
| 662 | } |
| 663 | return new ReferenceDescriptor( |
| 664 | (IComponentDescriptor)mcomponent.getHandle(), |
| 665 | getMember().getHandle(), |
| 666 | getLineNumber(), |
| 667 | (IComponentDescriptor)rcomponent.getHandle(), |
| 668 | res.getHandle(), |
| 669 | getReferenceKind(), visibility); |
| 670 | } |
| 671 | } |