J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1998-2005 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package com.sun.tools.jdi; |
| 27 | |
| 28 | import com.sun.jdi.*; |
| 29 | import com.sun.jdi.request.*; |
| 30 | import com.sun.tools.jdi.JDWP; |
| 31 | |
| 32 | import java.util.*; |
| 33 | |
| 34 | /** |
| 35 | * This interface is used to create and remove Breakpoints, Watchpoints, |
| 36 | * etc. |
| 37 | * It include implementations of all the request interfaces.. |
| 38 | */ |
| 39 | // Warnings from List filters and List[] requestLists is hard to fix. |
| 40 | // Remove SuppressWarning when we fix the warnings from List filters |
| 41 | // and List[] requestLists. The generic array is not supported. |
| 42 | @SuppressWarnings("unchecked") |
| 43 | class EventRequestManagerImpl extends MirrorImpl |
| 44 | implements EventRequestManager |
| 45 | { |
| 46 | List[] requestLists; |
| 47 | private static int methodExitEventCmd = 0; |
| 48 | |
| 49 | static int JDWPtoJDISuspendPolicy(byte jdwpPolicy) { |
| 50 | switch(jdwpPolicy) { |
| 51 | case JDWP.SuspendPolicy.ALL: |
| 52 | return EventRequest.SUSPEND_ALL; |
| 53 | case JDWP.SuspendPolicy.EVENT_THREAD: |
| 54 | return EventRequest.SUSPEND_EVENT_THREAD; |
| 55 | case JDWP.SuspendPolicy.NONE: |
| 56 | return EventRequest.SUSPEND_NONE; |
| 57 | default: |
| 58 | throw new IllegalArgumentException("Illegal policy constant: " + jdwpPolicy); |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | static byte JDItoJDWPSuspendPolicy(int jdiPolicy) { |
| 63 | switch(jdiPolicy) { |
| 64 | case EventRequest.SUSPEND_ALL: |
| 65 | return JDWP.SuspendPolicy.ALL; |
| 66 | case EventRequest.SUSPEND_EVENT_THREAD: |
| 67 | return JDWP.SuspendPolicy.EVENT_THREAD; |
| 68 | case EventRequest.SUSPEND_NONE: |
| 69 | return JDWP.SuspendPolicy.NONE; |
| 70 | default: |
| 71 | throw new IllegalArgumentException("Illegal policy constant: " + jdiPolicy); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | /* |
| 76 | * Override superclass back to default equality |
| 77 | */ |
| 78 | public boolean equals(Object obj) { |
| 79 | return this == obj; |
| 80 | } |
| 81 | |
| 82 | public int hashCode() { |
| 83 | return System.identityHashCode(this); |
| 84 | } |
| 85 | |
| 86 | abstract class EventRequestImpl extends MirrorImpl implements EventRequest { |
| 87 | int id; |
| 88 | |
| 89 | /* |
| 90 | * This list is not protected by a synchronized wrapper. All |
| 91 | * access/modification should be protected by synchronizing on |
| 92 | * the enclosing instance of EventRequestImpl. |
| 93 | */ |
| 94 | List filters = new ArrayList(); |
| 95 | |
| 96 | boolean isEnabled = false; |
| 97 | boolean deleted = false; |
| 98 | byte suspendPolicy = JDWP.SuspendPolicy.ALL; |
| 99 | private Map<Object, Object> clientProperties = null; |
| 100 | |
| 101 | EventRequestImpl() { |
| 102 | super(EventRequestManagerImpl.this.vm); |
| 103 | } |
| 104 | |
| 105 | |
| 106 | /* |
| 107 | * Override superclass back to default equality |
| 108 | */ |
| 109 | public boolean equals(Object obj) { |
| 110 | return this == obj; |
| 111 | } |
| 112 | |
| 113 | public int hashCode() { |
| 114 | return System.identityHashCode(this); |
| 115 | } |
| 116 | |
| 117 | abstract int eventCmd(); |
| 118 | |
| 119 | InvalidRequestStateException invalidState() { |
| 120 | return new InvalidRequestStateException(toString()); |
| 121 | } |
| 122 | |
| 123 | String state() { |
| 124 | return deleted? " (deleted)" : |
| 125 | (isEnabled()? " (enabled)" : " (disabled)"); |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * @return all the event request of this kind |
| 130 | */ |
| 131 | List requestList() { |
| 132 | return EventRequestManagerImpl.this.requestList(eventCmd()); |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * delete the event request |
| 137 | */ |
| 138 | void delete() { |
| 139 | if (!deleted) { |
| 140 | requestList().remove(this); |
| 141 | disable(); /* must do BEFORE delete */ |
| 142 | deleted = true; |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | public boolean isEnabled() { |
| 147 | return isEnabled; |
| 148 | } |
| 149 | |
| 150 | public void enable() { |
| 151 | setEnabled(true); |
| 152 | } |
| 153 | |
| 154 | public void disable() { |
| 155 | setEnabled(false); |
| 156 | } |
| 157 | |
| 158 | public synchronized void setEnabled(boolean val) { |
| 159 | if (deleted) { |
| 160 | throw invalidState(); |
| 161 | } else { |
| 162 | if (val != isEnabled) { |
| 163 | if (isEnabled) { |
| 164 | clear(); |
| 165 | } else { |
| 166 | set(); |
| 167 | } |
| 168 | } |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | public synchronized void addCountFilter(int count) { |
| 173 | if (isEnabled() || deleted) { |
| 174 | throw invalidState(); |
| 175 | } |
| 176 | if (count < 1) { |
| 177 | throw new IllegalArgumentException("count is less than one"); |
| 178 | } |
| 179 | filters.add(JDWP.EventRequest.Set.Modifier.Count.create(count)); |
| 180 | } |
| 181 | |
| 182 | public void setSuspendPolicy(int policy) { |
| 183 | if (isEnabled() || deleted) { |
| 184 | throw invalidState(); |
| 185 | } |
| 186 | suspendPolicy = JDItoJDWPSuspendPolicy(policy); |
| 187 | } |
| 188 | |
| 189 | public int suspendPolicy() { |
| 190 | return JDWPtoJDISuspendPolicy(suspendPolicy); |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * set (enable) the event request |
| 195 | */ |
| 196 | synchronized void set() { |
| 197 | JDWP.EventRequest.Set.Modifier[] mods = |
| 198 | (JDWP.EventRequest.Set.Modifier[]) |
| 199 | filters.toArray( |
| 200 | new JDWP.EventRequest.Set.Modifier[filters.size()]); |
| 201 | try { |
| 202 | id = JDWP.EventRequest.Set.process(vm, (byte)eventCmd(), |
| 203 | suspendPolicy, mods).requestID; |
| 204 | } catch (JDWPException exc) { |
| 205 | throw exc.toJDIException(); |
| 206 | } |
| 207 | isEnabled = true; |
| 208 | } |
| 209 | |
| 210 | synchronized void clear() { |
| 211 | try { |
| 212 | JDWP.EventRequest.Clear.process(vm, (byte)eventCmd(), id); |
| 213 | } catch (JDWPException exc) { |
| 214 | throw exc.toJDIException(); |
| 215 | } |
| 216 | isEnabled = false; |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * @return a small Map |
| 221 | * @see #putProperty |
| 222 | * @see #getProperty |
| 223 | */ |
| 224 | private Map<Object, Object> getProperties() { |
| 225 | if (clientProperties == null) { |
| 226 | clientProperties = new HashMap<Object, Object>(2); |
| 227 | } |
| 228 | return clientProperties; |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * Returns the value of the property with the specified key. Only |
| 233 | * properties added with <code>putProperty</code> will return |
| 234 | * a non-null value. |
| 235 | * |
| 236 | * @return the value of this property or null |
| 237 | * @see #putProperty |
| 238 | */ |
| 239 | public final Object getProperty(Object key) { |
| 240 | if (clientProperties == null) { |
| 241 | return null; |
| 242 | } else { |
| 243 | return getProperties().get(key); |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * Add an arbitrary key/value "property" to this component. |
| 249 | * |
| 250 | * @see #getProperty |
| 251 | */ |
| 252 | public final void putProperty(Object key, Object value) { |
| 253 | if (value != null) { |
| 254 | getProperties().put(key, value); |
| 255 | } else { |
| 256 | getProperties().remove(key); |
| 257 | } |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | abstract class ThreadVisibleEventRequestImpl extends EventRequestImpl { |
| 262 | public synchronized void addThreadFilter(ThreadReference thread) { |
| 263 | validateMirror(thread); |
| 264 | if (isEnabled() || deleted) { |
| 265 | throw invalidState(); |
| 266 | } |
| 267 | filters.add(JDWP.EventRequest.Set.Modifier.ThreadOnly |
| 268 | .create((ThreadReferenceImpl)thread)); |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | abstract class ClassVisibleEventRequestImpl |
| 273 | extends ThreadVisibleEventRequestImpl { |
| 274 | public synchronized void addClassFilter(ReferenceType clazz) { |
| 275 | validateMirror(clazz); |
| 276 | if (isEnabled() || deleted) { |
| 277 | throw invalidState(); |
| 278 | } |
| 279 | filters.add(JDWP.EventRequest.Set.Modifier.ClassOnly |
| 280 | .create((ReferenceTypeImpl)clazz)); |
| 281 | } |
| 282 | |
| 283 | public synchronized void addClassFilter(String classPattern) { |
| 284 | if (isEnabled() || deleted) { |
| 285 | throw invalidState(); |
| 286 | } |
| 287 | if (classPattern == null) { |
| 288 | throw new NullPointerException(); |
| 289 | } |
| 290 | filters.add(JDWP.EventRequest.Set.Modifier.ClassMatch |
| 291 | .create(classPattern)); |
| 292 | } |
| 293 | |
| 294 | public synchronized void addClassExclusionFilter(String classPattern) { |
| 295 | if (isEnabled() || deleted) { |
| 296 | throw invalidState(); |
| 297 | } |
| 298 | if (classPattern == null) { |
| 299 | throw new NullPointerException(); |
| 300 | } |
| 301 | filters.add(JDWP.EventRequest.Set.Modifier.ClassExclude |
| 302 | .create(classPattern)); |
| 303 | } |
| 304 | |
| 305 | public synchronized void addInstanceFilter(ObjectReference instance) { |
| 306 | validateMirror(instance); |
| 307 | if (isEnabled() || deleted) { |
| 308 | throw invalidState(); |
| 309 | } |
| 310 | if (!vm.canUseInstanceFilters()) { |
| 311 | throw new UnsupportedOperationException( |
| 312 | "target does not support instance filters"); |
| 313 | } |
| 314 | filters.add(JDWP.EventRequest.Set.Modifier.InstanceOnly |
| 315 | .create((ObjectReferenceImpl)instance)); |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | class BreakpointRequestImpl extends ClassVisibleEventRequestImpl |
| 320 | implements BreakpointRequest { |
| 321 | private final Location location; |
| 322 | |
| 323 | BreakpointRequestImpl(Location location) { |
| 324 | this.location = location; |
| 325 | filters.add(0,JDWP.EventRequest.Set.Modifier.LocationOnly |
| 326 | .create(location)); |
| 327 | requestList().add(this); |
| 328 | } |
| 329 | |
| 330 | public Location location() { |
| 331 | return location; |
| 332 | } |
| 333 | |
| 334 | int eventCmd() { |
| 335 | return JDWP.EventKind.BREAKPOINT; |
| 336 | } |
| 337 | |
| 338 | public String toString() { |
| 339 | return "breakpoint request " + location() + state(); |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | class ClassPrepareRequestImpl extends ClassVisibleEventRequestImpl |
| 344 | implements ClassPrepareRequest { |
| 345 | ClassPrepareRequestImpl() { |
| 346 | requestList().add(this); |
| 347 | } |
| 348 | |
| 349 | int eventCmd() { |
| 350 | return JDWP.EventKind.CLASS_PREPARE; |
| 351 | } |
| 352 | |
| 353 | public synchronized void addSourceNameFilter(String sourceNamePattern) { |
| 354 | if (isEnabled() || deleted) { |
| 355 | throw invalidState(); |
| 356 | } |
| 357 | if (!vm.canUseSourceNameFilters()) { |
| 358 | throw new UnsupportedOperationException( |
| 359 | "target does not support source name filters"); |
| 360 | } |
| 361 | if (sourceNamePattern == null) { |
| 362 | throw new NullPointerException(); |
| 363 | } |
| 364 | |
| 365 | filters.add(JDWP.EventRequest.Set.Modifier.SourceNameMatch |
| 366 | .create(sourceNamePattern)); |
| 367 | } |
| 368 | |
| 369 | public String toString() { |
| 370 | return "class prepare request " + state(); |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | class ClassUnloadRequestImpl extends ClassVisibleEventRequestImpl |
| 375 | implements ClassUnloadRequest { |
| 376 | ClassUnloadRequestImpl() { |
| 377 | requestList().add(this); |
| 378 | } |
| 379 | |
| 380 | int eventCmd() { |
| 381 | return JDWP.EventKind.CLASS_UNLOAD; |
| 382 | } |
| 383 | |
| 384 | public String toString() { |
| 385 | return "class unload request " + state(); |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | class ExceptionRequestImpl extends ClassVisibleEventRequestImpl |
| 390 | implements ExceptionRequest { |
| 391 | ReferenceType exception = null; |
| 392 | boolean caught = true; |
| 393 | boolean uncaught = true; |
| 394 | |
| 395 | ExceptionRequestImpl(ReferenceType refType, |
| 396 | boolean notifyCaught, boolean notifyUncaught) { |
| 397 | exception = refType; |
| 398 | caught = notifyCaught; |
| 399 | uncaught = notifyUncaught; |
| 400 | { |
| 401 | ReferenceTypeImpl exc; |
| 402 | if (exception == null) { |
| 403 | exc = new ClassTypeImpl(vm, 0); |
| 404 | } else { |
| 405 | exc = (ReferenceTypeImpl)exception; |
| 406 | } |
| 407 | filters.add(JDWP.EventRequest.Set.Modifier.ExceptionOnly. |
| 408 | create(exc, caught, uncaught)); |
| 409 | } |
| 410 | requestList().add(this); |
| 411 | } |
| 412 | |
| 413 | public ReferenceType exception() { |
| 414 | return exception; |
| 415 | } |
| 416 | |
| 417 | public boolean notifyCaught() { |
| 418 | return caught; |
| 419 | } |
| 420 | |
| 421 | public boolean notifyUncaught() { |
| 422 | return uncaught; |
| 423 | } |
| 424 | |
| 425 | int eventCmd() { |
| 426 | return JDWP.EventKind.EXCEPTION; |
| 427 | } |
| 428 | |
| 429 | public String toString() { |
| 430 | return "exception request " + exception() + state(); |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | class MethodEntryRequestImpl extends ClassVisibleEventRequestImpl |
| 435 | implements MethodEntryRequest { |
| 436 | MethodEntryRequestImpl() { |
| 437 | requestList().add(this); |
| 438 | } |
| 439 | |
| 440 | int eventCmd() { |
| 441 | return JDWP.EventKind.METHOD_ENTRY; |
| 442 | } |
| 443 | |
| 444 | public String toString() { |
| 445 | return "method entry request " + state(); |
| 446 | } |
| 447 | } |
| 448 | |
| 449 | class MethodExitRequestImpl extends ClassVisibleEventRequestImpl |
| 450 | implements MethodExitRequest { |
| 451 | MethodExitRequestImpl() { |
| 452 | if (methodExitEventCmd == 0) { |
| 453 | /* |
| 454 | * If we can get return values, then we always get them. |
| 455 | * Thus, for JDI MethodExitRequests, we always use the |
| 456 | * same JDWP EventKind. Here we decide which to use and |
| 457 | * save it so that it will be used for all future |
| 458 | * MethodExitRequests. |
| 459 | * |
| 460 | * This call to canGetMethodReturnValues can't |
| 461 | * be done in the EventRequestManager ctor because that is too early. |
| 462 | */ |
| 463 | if (vm.canGetMethodReturnValues()) { |
| 464 | methodExitEventCmd = JDWP.EventKind.METHOD_EXIT_WITH_RETURN_VALUE; |
| 465 | } else { |
| 466 | methodExitEventCmd = JDWP.EventKind.METHOD_EXIT; |
| 467 | } |
| 468 | } |
| 469 | requestList().add(this); |
| 470 | } |
| 471 | |
| 472 | int eventCmd() { |
| 473 | return EventRequestManagerImpl.methodExitEventCmd; |
| 474 | } |
| 475 | |
| 476 | public String toString() { |
| 477 | return "method exit request " + state(); |
| 478 | } |
| 479 | } |
| 480 | |
| 481 | class MonitorContendedEnterRequestImpl extends ClassVisibleEventRequestImpl |
| 482 | implements MonitorContendedEnterRequest { |
| 483 | MonitorContendedEnterRequestImpl() { |
| 484 | requestList().add(this); |
| 485 | } |
| 486 | |
| 487 | int eventCmd() { |
| 488 | return JDWP.EventKind.MONITOR_CONTENDED_ENTER; |
| 489 | } |
| 490 | |
| 491 | public String toString() { |
| 492 | return "monitor contended enter request " + state(); |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | class MonitorContendedEnteredRequestImpl extends ClassVisibleEventRequestImpl |
| 497 | implements MonitorContendedEnteredRequest { |
| 498 | MonitorContendedEnteredRequestImpl() { |
| 499 | requestList().add(this); |
| 500 | } |
| 501 | |
| 502 | int eventCmd() { |
| 503 | return JDWP.EventKind.MONITOR_CONTENDED_ENTERED; |
| 504 | } |
| 505 | |
| 506 | public String toString() { |
| 507 | return "monitor contended entered request " + state(); |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | class MonitorWaitRequestImpl extends ClassVisibleEventRequestImpl |
| 512 | implements MonitorWaitRequest { |
| 513 | MonitorWaitRequestImpl() { |
| 514 | requestList().add(this); |
| 515 | } |
| 516 | |
| 517 | int eventCmd() { |
| 518 | return JDWP.EventKind.MONITOR_WAIT; |
| 519 | } |
| 520 | |
| 521 | public String toString() { |
| 522 | return "monitor wait request " + state(); |
| 523 | } |
| 524 | } |
| 525 | |
| 526 | class MonitorWaitedRequestImpl extends ClassVisibleEventRequestImpl |
| 527 | implements MonitorWaitedRequest { |
| 528 | MonitorWaitedRequestImpl() { |
| 529 | requestList().add(this); |
| 530 | } |
| 531 | |
| 532 | int eventCmd() { |
| 533 | return JDWP.EventKind.MONITOR_WAITED; |
| 534 | } |
| 535 | |
| 536 | public String toString() { |
| 537 | return "monitor waited request " + state(); |
| 538 | } |
| 539 | } |
| 540 | |
| 541 | class StepRequestImpl extends ClassVisibleEventRequestImpl |
| 542 | implements StepRequest { |
| 543 | ThreadReferenceImpl thread; |
| 544 | int size; |
| 545 | int depth; |
| 546 | |
| 547 | StepRequestImpl(ThreadReference thread, int size, int depth) { |
| 548 | this.thread = (ThreadReferenceImpl)thread; |
| 549 | this.size = size; |
| 550 | this.depth = depth; |
| 551 | |
| 552 | /* |
| 553 | * Translate size and depth to corresponding JDWP values. |
| 554 | */ |
| 555 | int jdwpSize; |
| 556 | switch (size) { |
| 557 | case STEP_MIN: |
| 558 | jdwpSize = JDWP.StepSize.MIN; |
| 559 | break; |
| 560 | case STEP_LINE: |
| 561 | jdwpSize = JDWP.StepSize.LINE; |
| 562 | break; |
| 563 | default: |
| 564 | throw new IllegalArgumentException("Invalid step size"); |
| 565 | } |
| 566 | |
| 567 | int jdwpDepth; |
| 568 | switch (depth) { |
| 569 | case STEP_INTO: |
| 570 | jdwpDepth = JDWP.StepDepth.INTO; |
| 571 | break; |
| 572 | case STEP_OVER: |
| 573 | jdwpDepth = JDWP.StepDepth.OVER; |
| 574 | break; |
| 575 | case STEP_OUT: |
| 576 | jdwpDepth = JDWP.StepDepth.OUT; |
| 577 | break; |
| 578 | default: |
| 579 | throw new IllegalArgumentException("Invalid step depth"); |
| 580 | } |
| 581 | |
| 582 | /* |
| 583 | * Make sure this isn't a duplicate |
| 584 | */ |
| 585 | List requests = stepRequests(); |
| 586 | Iterator iter = requests.iterator(); |
| 587 | while (iter.hasNext()) { |
| 588 | StepRequest request = (StepRequest)iter.next(); |
| 589 | if ((request != this) && |
| 590 | request.isEnabled() && |
| 591 | request.thread().equals(thread)) { |
| 592 | throw new DuplicateRequestException( |
| 593 | "Only one step request allowed per thread"); |
| 594 | } |
| 595 | } |
| 596 | |
| 597 | filters.add(JDWP.EventRequest.Set.Modifier.Step. |
| 598 | create(this.thread, jdwpSize, jdwpDepth)); |
| 599 | requestList().add(this); |
| 600 | |
| 601 | } |
| 602 | public int depth() { |
| 603 | return depth; |
| 604 | } |
| 605 | |
| 606 | public int size() { |
| 607 | return size; |
| 608 | } |
| 609 | |
| 610 | public ThreadReference thread() { |
| 611 | return thread; |
| 612 | } |
| 613 | |
| 614 | int eventCmd() { |
| 615 | return JDWP.EventKind.SINGLE_STEP; |
| 616 | } |
| 617 | |
| 618 | public String toString() { |
| 619 | return "step request " + thread() + state(); |
| 620 | } |
| 621 | } |
| 622 | |
| 623 | class ThreadDeathRequestImpl extends ThreadVisibleEventRequestImpl |
| 624 | implements ThreadDeathRequest { |
| 625 | ThreadDeathRequestImpl() { |
| 626 | requestList().add(this); |
| 627 | } |
| 628 | |
| 629 | int eventCmd() { |
| 630 | return JDWP.EventKind.THREAD_DEATH; |
| 631 | } |
| 632 | |
| 633 | public String toString() { |
| 634 | return "thread death request " + state(); |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | class ThreadStartRequestImpl extends ThreadVisibleEventRequestImpl |
| 639 | implements ThreadStartRequest { |
| 640 | ThreadStartRequestImpl() { |
| 641 | requestList().add(this); |
| 642 | } |
| 643 | |
| 644 | int eventCmd() { |
| 645 | return JDWP.EventKind.THREAD_START; |
| 646 | } |
| 647 | |
| 648 | public String toString() { |
| 649 | return "thread start request " + state(); |
| 650 | } |
| 651 | } |
| 652 | |
| 653 | abstract class WatchpointRequestImpl extends ClassVisibleEventRequestImpl |
| 654 | implements WatchpointRequest { |
| 655 | final Field field; |
| 656 | |
| 657 | WatchpointRequestImpl(Field field) { |
| 658 | this.field = field; |
| 659 | filters.add(0, |
| 660 | JDWP.EventRequest.Set.Modifier.FieldOnly.create( |
| 661 | (ReferenceTypeImpl)field.declaringType(), |
| 662 | ((FieldImpl)field).ref())); |
| 663 | } |
| 664 | |
| 665 | public Field field() { |
| 666 | return field; |
| 667 | } |
| 668 | } |
| 669 | |
| 670 | class AccessWatchpointRequestImpl extends WatchpointRequestImpl |
| 671 | implements AccessWatchpointRequest { |
| 672 | AccessWatchpointRequestImpl(Field field) { |
| 673 | super(field); |
| 674 | requestList().add(this); |
| 675 | } |
| 676 | |
| 677 | int eventCmd() { |
| 678 | return JDWP.EventKind.FIELD_ACCESS; |
| 679 | } |
| 680 | |
| 681 | public String toString() { |
| 682 | return "access watchpoint request " + field + state(); |
| 683 | } |
| 684 | } |
| 685 | |
| 686 | class ModificationWatchpointRequestImpl extends WatchpointRequestImpl |
| 687 | implements ModificationWatchpointRequest { |
| 688 | ModificationWatchpointRequestImpl(Field field) { |
| 689 | super(field); |
| 690 | requestList().add(this); |
| 691 | } |
| 692 | |
| 693 | int eventCmd() { |
| 694 | return JDWP.EventKind.FIELD_MODIFICATION; |
| 695 | } |
| 696 | |
| 697 | public String toString() { |
| 698 | return "modification watchpoint request " + field + state(); |
| 699 | } |
| 700 | } |
| 701 | |
| 702 | class VMDeathRequestImpl extends EventRequestImpl |
| 703 | implements VMDeathRequest { |
| 704 | VMDeathRequestImpl() { |
| 705 | requestList().add(this); |
| 706 | } |
| 707 | |
| 708 | int eventCmd() { |
| 709 | return JDWP.EventKind.VM_DEATH; |
| 710 | } |
| 711 | |
| 712 | public String toString() { |
| 713 | return "VM death request " + state(); |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | /** |
| 718 | * Constructor. |
| 719 | */ |
| 720 | EventRequestManagerImpl(VirtualMachine vm) { |
| 721 | super(vm); |
| 722 | java.lang.reflect.Field[] ekinds = |
| 723 | JDWP.EventKind.class.getDeclaredFields(); |
| 724 | int highest = 0; |
| 725 | for (int i = 0; i < ekinds.length; ++i) { |
| 726 | int val; |
| 727 | try { |
| 728 | val = ekinds[i].getInt(null); |
| 729 | } catch (IllegalAccessException exc) { |
| 730 | throw new RuntimeException("Got: " + exc); |
| 731 | } |
| 732 | if (val > highest) { |
| 733 | highest = val; |
| 734 | } |
| 735 | } |
| 736 | requestLists = new List[highest+1]; |
| 737 | for (int i=0; i <= highest; i++) { |
| 738 | requestLists[i] = new ArrayList(); |
| 739 | } |
| 740 | } |
| 741 | |
| 742 | public ClassPrepareRequest createClassPrepareRequest() { |
| 743 | return new ClassPrepareRequestImpl(); |
| 744 | } |
| 745 | |
| 746 | public ClassUnloadRequest createClassUnloadRequest() { |
| 747 | return new ClassUnloadRequestImpl(); |
| 748 | } |
| 749 | |
| 750 | public ExceptionRequest createExceptionRequest(ReferenceType refType, |
| 751 | boolean notifyCaught, |
| 752 | boolean notifyUncaught) { |
| 753 | validateMirrorOrNull(refType); |
| 754 | return new ExceptionRequestImpl(refType, notifyCaught, notifyUncaught); |
| 755 | } |
| 756 | |
| 757 | public StepRequest createStepRequest(ThreadReference thread, |
| 758 | int size, int depth) { |
| 759 | validateMirror(thread); |
| 760 | return new StepRequestImpl(thread, size, depth); |
| 761 | } |
| 762 | |
| 763 | public ThreadDeathRequest createThreadDeathRequest() { |
| 764 | return new ThreadDeathRequestImpl(); |
| 765 | } |
| 766 | |
| 767 | public ThreadStartRequest createThreadStartRequest() { |
| 768 | return new ThreadStartRequestImpl(); |
| 769 | } |
| 770 | |
| 771 | public MethodEntryRequest createMethodEntryRequest() { |
| 772 | return new MethodEntryRequestImpl(); |
| 773 | } |
| 774 | |
| 775 | public MethodExitRequest createMethodExitRequest() { |
| 776 | return new MethodExitRequestImpl(); |
| 777 | } |
| 778 | |
| 779 | public MonitorContendedEnterRequest createMonitorContendedEnterRequest() { |
| 780 | if (!vm.canRequestMonitorEvents()) { |
| 781 | throw new UnsupportedOperationException( |
| 782 | "target VM does not support requesting Monitor events"); |
| 783 | } |
| 784 | return new MonitorContendedEnterRequestImpl(); |
| 785 | } |
| 786 | |
| 787 | public MonitorContendedEnteredRequest createMonitorContendedEnteredRequest() { |
| 788 | if (!vm.canRequestMonitorEvents()) { |
| 789 | throw new UnsupportedOperationException( |
| 790 | "target VM does not support requesting Monitor events"); |
| 791 | } |
| 792 | return new MonitorContendedEnteredRequestImpl(); |
| 793 | } |
| 794 | |
| 795 | public MonitorWaitRequest createMonitorWaitRequest() { |
| 796 | if (!vm.canRequestMonitorEvents()) { |
| 797 | throw new UnsupportedOperationException( |
| 798 | "target VM does not support requesting Monitor events"); |
| 799 | } |
| 800 | return new MonitorWaitRequestImpl(); |
| 801 | } |
| 802 | |
| 803 | public MonitorWaitedRequest createMonitorWaitedRequest() { |
| 804 | if (!vm.canRequestMonitorEvents()) { |
| 805 | throw new UnsupportedOperationException( |
| 806 | "target VM does not support requesting Monitor events"); |
| 807 | } |
| 808 | return new MonitorWaitedRequestImpl(); |
| 809 | } |
| 810 | |
| 811 | public BreakpointRequest createBreakpointRequest(Location location) { |
| 812 | validateMirror(location); |
| 813 | if (location.codeIndex() == -1) { |
| 814 | throw new NativeMethodException("Cannot set breakpoints on native methods"); |
| 815 | } |
| 816 | return new BreakpointRequestImpl(location); |
| 817 | } |
| 818 | |
| 819 | public AccessWatchpointRequest |
| 820 | createAccessWatchpointRequest(Field field) { |
| 821 | validateMirror(field); |
| 822 | if (!vm.canWatchFieldAccess()) { |
| 823 | throw new UnsupportedOperationException( |
| 824 | "target VM does not support access watchpoints"); |
| 825 | } |
| 826 | return new AccessWatchpointRequestImpl(field); |
| 827 | } |
| 828 | |
| 829 | public ModificationWatchpointRequest |
| 830 | createModificationWatchpointRequest(Field field) { |
| 831 | validateMirror(field); |
| 832 | if (!vm.canWatchFieldModification()) { |
| 833 | throw new UnsupportedOperationException( |
| 834 | "target VM does not support modification watchpoints"); |
| 835 | } |
| 836 | return new ModificationWatchpointRequestImpl(field); |
| 837 | } |
| 838 | |
| 839 | public VMDeathRequest createVMDeathRequest() { |
| 840 | if (!vm.canRequestVMDeathEvent()) { |
| 841 | throw new UnsupportedOperationException( |
| 842 | "target VM does not support requesting VM death events"); |
| 843 | } |
| 844 | return new VMDeathRequestImpl(); |
| 845 | } |
| 846 | |
| 847 | public void deleteEventRequest(EventRequest eventRequest) { |
| 848 | validateMirror(eventRequest); |
| 849 | ((EventRequestImpl)eventRequest).delete(); |
| 850 | } |
| 851 | |
| 852 | public void deleteEventRequests(List<? extends EventRequest> eventRequests) { |
| 853 | validateMirrors(eventRequests); |
| 854 | // copy the eventRequests to avoid ConcurrentModificationException |
| 855 | Iterator iter = (new ArrayList(eventRequests)).iterator(); |
| 856 | while (iter.hasNext()) { |
| 857 | ((EventRequestImpl)iter.next()).delete(); |
| 858 | } |
| 859 | } |
| 860 | |
| 861 | public void deleteAllBreakpoints() { |
| 862 | requestList(JDWP.EventKind.BREAKPOINT).clear(); |
| 863 | |
| 864 | try { |
| 865 | JDWP.EventRequest.ClearAllBreakpoints.process(vm); |
| 866 | } catch (JDWPException exc) { |
| 867 | throw exc.toJDIException(); |
| 868 | } |
| 869 | } |
| 870 | |
| 871 | public List<StepRequest> stepRequests() { |
| 872 | return unmodifiableRequestList(JDWP.EventKind.SINGLE_STEP); |
| 873 | } |
| 874 | |
| 875 | public List<ClassPrepareRequest> classPrepareRequests() { |
| 876 | return unmodifiableRequestList(JDWP.EventKind.CLASS_PREPARE); |
| 877 | } |
| 878 | |
| 879 | public List<ClassUnloadRequest> classUnloadRequests() { |
| 880 | return unmodifiableRequestList(JDWP.EventKind.CLASS_UNLOAD); |
| 881 | } |
| 882 | |
| 883 | public List<ThreadStartRequest> threadStartRequests() { |
| 884 | return unmodifiableRequestList(JDWP.EventKind.THREAD_START); |
| 885 | } |
| 886 | |
| 887 | public List<ThreadDeathRequest> threadDeathRequests() { |
| 888 | return unmodifiableRequestList(JDWP.EventKind.THREAD_DEATH); |
| 889 | } |
| 890 | |
| 891 | public List<ExceptionRequest> exceptionRequests() { |
| 892 | return unmodifiableRequestList(JDWP.EventKind.EXCEPTION); |
| 893 | } |
| 894 | |
| 895 | public List<BreakpointRequest> breakpointRequests() { |
| 896 | return unmodifiableRequestList(JDWP.EventKind.BREAKPOINT); |
| 897 | } |
| 898 | |
| 899 | public List<AccessWatchpointRequest> accessWatchpointRequests() { |
| 900 | return unmodifiableRequestList(JDWP.EventKind.FIELD_ACCESS); |
| 901 | } |
| 902 | |
| 903 | public List<ModificationWatchpointRequest> modificationWatchpointRequests() { |
| 904 | return unmodifiableRequestList(JDWP.EventKind.FIELD_MODIFICATION); |
| 905 | } |
| 906 | |
| 907 | public List<MethodEntryRequest> methodEntryRequests() { |
| 908 | return unmodifiableRequestList(JDWP.EventKind.METHOD_ENTRY); |
| 909 | } |
| 910 | |
| 911 | public List<MethodExitRequest> methodExitRequests() { |
| 912 | return unmodifiableRequestList( |
| 913 | EventRequestManagerImpl.methodExitEventCmd); |
| 914 | } |
| 915 | |
| 916 | public List<MonitorContendedEnterRequest> monitorContendedEnterRequests() { |
| 917 | return unmodifiableRequestList(JDWP.EventKind.MONITOR_CONTENDED_ENTER); |
| 918 | } |
| 919 | |
| 920 | public List<MonitorContendedEnteredRequest> monitorContendedEnteredRequests() { |
| 921 | return unmodifiableRequestList(JDWP.EventKind.MONITOR_CONTENDED_ENTERED); |
| 922 | } |
| 923 | |
| 924 | public List<MonitorWaitRequest> monitorWaitRequests() { |
| 925 | return unmodifiableRequestList(JDWP.EventKind.MONITOR_WAIT); |
| 926 | } |
| 927 | |
| 928 | public List<MonitorWaitedRequest> monitorWaitedRequests() { |
| 929 | return unmodifiableRequestList(JDWP.EventKind.MONITOR_WAITED); |
| 930 | } |
| 931 | |
| 932 | public List<VMDeathRequest> vmDeathRequests() { |
| 933 | return unmodifiableRequestList(JDWP.EventKind.VM_DEATH); |
| 934 | } |
| 935 | |
| 936 | List unmodifiableRequestList(int eventCmd) { |
| 937 | return Collections.unmodifiableList(requestList(eventCmd)); |
| 938 | } |
| 939 | |
| 940 | EventRequest request(int eventCmd, int requestId) { |
| 941 | List rl = requestList(eventCmd); |
| 942 | for (int i = rl.size() - 1; i >= 0; i--) { |
| 943 | EventRequestImpl er = (EventRequestImpl)rl.get(i); |
| 944 | if (er.id == requestId) { |
| 945 | return er; |
| 946 | } |
| 947 | } |
| 948 | return null; |
| 949 | } |
| 950 | |
| 951 | List<? extends EventRequest> requestList(int eventCmd) { |
| 952 | return requestLists[eventCmd]; |
| 953 | } |
| 954 | |
| 955 | } |