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| 1 | /* | ||
| 2 | * Copyright (c) 1998, 2008, Oracle and/or its affiliates. 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. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package com.sun.tools.example.debug.bdi; | ||
| 27 | |||
| 28 | import com.sun.jdi.*; | ||
| 29 | import com.sun.jdi.request.*; | ||
| 30 | import com.sun.jdi.connect.*; | ||
| 31 | import com.sun.tools.example.debug.expr.ExpressionParser; | ||
| 32 | import com.sun.tools.example.debug.expr.ParseException; | ||
| 33 | |||
| 34 | import java.io.*; | ||
| 35 | import java.util.*; | ||
| 36 | |||
| 37 | import com.sun.tools.example.debug.event.*; | ||
| 38 | |||
| 39 | import javax.swing.SwingUtilities; | ||
| 40 | |||
| 41 | /** | ||
| 42 | * Move this towards being only state and functionality | ||
| 43 | * that spans across Sessions (and thus VMs). | ||
| 44 | */ | ||
| 45 | public class ExecutionManager { | ||
| 46 | |||
| 47 | private Session session; | ||
| 48 | |||
| 49 | /** | ||
| 50 | * Get/set JDI trace mode. | ||
| 51 | */ | ||
| 52 | int traceMode = VirtualMachine.TRACE_NONE; | ||
| 53 | |||
| 54 | ////////////////// Listener registration ////////////////// | ||
| 55 | |||
| 56 | // Session Listeners | ||
| 57 | |||
| 58 | ArrayList<SessionListener> sessionListeners = new ArrayList<SessionListener>(); | ||
| 59 | |||
| 60 | public void addSessionListener(SessionListener listener) { | ||
| 61 | sessionListeners.add(listener); | ||
| 62 | } | ||
| 63 | |||
| 64 | public void removeSessionListener(SessionListener listener) { | ||
| 65 | sessionListeners.remove(listener); | ||
| 66 | } | ||
| 67 | |||
| 68 | // Spec Listeners | ||
| 69 | |||
| 70 | ArrayList<SpecListener> specListeners = new ArrayList<SpecListener>(); | ||
| 71 | |||
| 72 | public void addSpecListener(SpecListener cl) { | ||
| 73 | specListeners.add(cl); | ||
| 74 | } | ||
| 75 | |||
| 76 | public void removeSpecListener(SpecListener cl) { | ||
| 77 | specListeners.remove(cl); | ||
| 78 | } | ||
| 79 | |||
| 80 | // JDI Listeners | ||
| 81 | |||
| 82 | ArrayList<JDIListener> jdiListeners = new ArrayList<JDIListener>(); | ||
| 83 | |||
| 84 | /** | ||
| 85 | * Adds a JDIListener | ||
| 86 | */ | ||
| 87 | public void addJDIListener(JDIListener jl) { | ||
| 88 | jdiListeners.add(jl); | ||
| 89 | } | ||
| 90 | |||
| 91 | /** | ||
| 92 | * Adds a JDIListener - at the specified position | ||
| 93 | */ | ||
| 94 | public void addJDIListener(int index, JDIListener jl) { | ||
| 95 | jdiListeners.add(index, jl); | ||
| 96 | } | ||
| 97 | |||
| 98 | /** | ||
| 99 | * Removes a JDIListener | ||
| 100 | */ | ||
| 101 | public void removeJDIListener(JDIListener jl) { | ||
| 102 | jdiListeners.remove(jl); | ||
| 103 | } | ||
| 104 | |||
| 105 | // App Echo Listeners | ||
| 106 | |||
| 107 | private ArrayList<OutputListener> appEchoListeners = new ArrayList<OutputListener>(); | ||
| 108 | |||
| 109 | public void addApplicationEchoListener(OutputListener l) { | ||
| 110 | appEchoListeners.add(l); | ||
| 111 | } | ||
| 112 | |||
| 113 | public void removeApplicationEchoListener(OutputListener l) { | ||
| 114 | appEchoListeners.remove(l); | ||
| 115 | } | ||
| 116 | |||
| 117 | // App Output Listeners | ||
| 118 | |||
| 119 | private ArrayList<OutputListener> appOutputListeners = new ArrayList<OutputListener>(); | ||
| 120 | |||
| 121 | public void addApplicationOutputListener(OutputListener l) { | ||
| 122 | appOutputListeners.add(l); | ||
| 123 | } | ||
| 124 | |||
| 125 | public void removeApplicationOutputListener(OutputListener l) { | ||
| 126 | appOutputListeners.remove(l); | ||
| 127 | } | ||
| 128 | |||
| 129 | // App Error Listeners | ||
| 130 | |||
| 131 | private ArrayList<OutputListener> appErrorListeners = new ArrayList<OutputListener>(); | ||
| 132 | |||
| 133 | public void addApplicationErrorListener(OutputListener l) { | ||
| 134 | appErrorListeners.add(l); | ||
| 135 | } | ||
| 136 | |||
| 137 | public void removeApplicationErrorListener(OutputListener l) { | ||
| 138 | appErrorListeners.remove(l); | ||
| 139 | } | ||
| 140 | |||
| 141 | // Diagnostic Listeners | ||
| 142 | |||
| 143 | private ArrayList<OutputListener> diagnosticsListeners = new ArrayList<OutputListener>(); | ||
| 144 | |||
| 145 | public void addDiagnosticsListener(OutputListener l) { | ||
| 146 | diagnosticsListeners.add(l); | ||
| 147 | } | ||
| 148 | |||
| 149 | public void removeDiagnosticsListener(OutputListener l) { | ||
| 150 | diagnosticsListeners.remove(l); | ||
| 151 | } | ||
| 152 | |||
| 153 | /////////// End Listener Registration ////////////// | ||
| 154 | |||
| 155 | //### We probably don't want this public | ||
| 156 | public VirtualMachine vm() { | ||
| 157 | return session == null ? null : session.vm; | ||
| 158 | } | ||
| 159 | |||
| 160 | void ensureActiveSession() throws NoSessionException { | ||
| 161 | if (session == null) { | ||
| 162 | throw new NoSessionException(); | ||
| 163 | } | ||
| 164 | } | ||
| 165 | |||
| 166 | public EventRequestManager eventRequestManager() { | ||
| 167 | return vm() == null ? null : vm().eventRequestManager(); | ||
| 168 | } | ||
| 169 | |||
| 170 | /** | ||
| 171 | * Get JDI trace mode. | ||
| 172 | */ | ||
| 173 | public int getTraceMode(int mode) { | ||
| 174 | return traceMode; | ||
| 175 | } | ||
| 176 | |||
| 177 | /** | ||
| 178 | * Set JDI trace mode. | ||
| 179 | */ | ||
| 180 | public void setTraceMode(int mode) { | ||
| 181 | traceMode = mode; | ||
| 182 | if (session != null) { | ||
| 183 | session.setTraceMode(mode); | ||
| 184 | } | ||
| 185 | } | ||
| 186 | |||
| 187 | /** | ||
| 188 | * Determine if VM is interrupted, i.e, present and not running. | ||
| 189 | */ | ||
| 190 | public boolean isInterrupted() /* should: throws NoSessionException */ { | ||
| 191 | // ensureActiveSession(); | ||
| 192 | return session.interrupted; | ||
| 193 | } | ||
| 194 | |||
| 195 | /** | ||
| 196 | * Return a list of ReferenceType objects for all | ||
| 197 | * currently loaded classes and interfaces. | ||
| 198 | * Array types are not returned. | ||
| 199 | */ | ||
| 200 | public List<ReferenceType> allClasses() throws NoSessionException { | ||
| 201 | ensureActiveSession(); | ||
| 202 | return vm().allClasses(); | ||
| 203 | } | ||
| 204 | |||
| 205 | /** | ||
| 206 | * Return a ReferenceType object for the currently | ||
| 207 | * loaded class or interface whose fully-qualified | ||
| 208 | * class name is specified, else return null if there | ||
| 209 | * is none. | ||
| 210 | * | ||
| 211 | * In general, we must return a list of types, because | ||
| 212 | * multiple class loaders could have loaded a class | ||
| 213 | * with the same fully-qualified name. | ||
| 214 | */ | ||
| 215 | public List<ReferenceType> findClassesByName(String name) throws NoSessionException { | ||
| 216 | ensureActiveSession(); | ||
| 217 | return vm().classesByName(name); | ||
| 218 | } | ||
| 219 | |||
| 220 | /** | ||
| 221 | * Return a list of ReferenceType objects for all | ||
| 222 | * currently loaded classes and interfaces whose name | ||
| 223 | * matches the given pattern. The pattern syntax is | ||
| 224 | * open to some future revision, but currently consists | ||
| 225 | * of a fully-qualified class name in which the first | ||
| 226 | * component may optionally be a "*" character, designating | ||
| 227 | * an arbitrary prefix. | ||
| 228 | */ | ||
| 229 | public List<ReferenceType> findClassesMatchingPattern(String pattern) | ||
| 230 | throws NoSessionException { | ||
| 231 | ensureActiveSession(); | ||
| 232 | List<ReferenceType> result = new ArrayList<ReferenceType>(); //### Is default size OK? | ||
| 233 | if (pattern.startsWith("*.")) { | ||
| 234 | // Wildcard matches any leading package name. | ||
| 235 | pattern = pattern.substring(1); | ||
| 236 | for (ReferenceType type : vm().allClasses()) { | ||
| 237 | if (type.name().endsWith(pattern)) { | ||
| 238 | result.add(type); | ||
| 239 | } | ||
| 240 | } | ||
| 241 | return result; | ||
| 242 | } else { | ||
| 243 | // It's a class name. | ||
| 244 | return vm().classesByName(pattern); | ||
| 245 | } | ||
| 246 | } | ||
| 247 | |||
| 248 | /* | ||
| 249 | * Return a list of ThreadReference objects corresponding | ||
| 250 | * to the threads that are currently active in the VM. | ||
| 251 | * A thread is removed from the list just before the | ||
| 252 | * thread terminates. | ||
| 253 | */ | ||
| 254 | |||
| 255 | public List<ThreadReference> allThreads() throws NoSessionException { | ||
| 256 | ensureActiveSession(); | ||
| 257 | return vm().allThreads(); | ||
| 258 | } | ||
| 259 | |||
| 260 | /* | ||
| 261 | * Return a list of ThreadGroupReference objects corresponding | ||
| 262 | * to the top-level threadgroups that are currently active in the VM. | ||
| 263 | * Note that a thread group may be empty, or contain no threads as | ||
| 264 | * descendents. | ||
| 265 | */ | ||
| 266 | |||
| 267 | public List<ThreadGroupReference> topLevelThreadGroups() throws NoSessionException { | ||
| 268 | ensureActiveSession(); | ||
| 269 | return vm().topLevelThreadGroups(); | ||
| 270 | } | ||
| 271 | |||
| 272 | /* | ||
| 273 | * Return the system threadgroup. | ||
| 274 | */ | ||
| 275 | |||
| 276 | public ThreadGroupReference systemThreadGroup() | ||
| 277 | throws NoSessionException { | ||
| 278 | ensureActiveSession(); | ||
| 279 | return vm().topLevelThreadGroups().get(0); | ||
| 280 | } | ||
| 281 | |||
| 282 | /* | ||
| 283 | * Evaluate an expression. | ||
| 284 | */ | ||
| 285 | |||
| 286 | public Value evaluate(final StackFrame f, String expr) | ||
| 287 | throws ParseException, | ||
| 288 | InvocationException, | ||
| 289 | InvalidTypeException, | ||
| 290 | ClassNotLoadedException, | ||
| 291 | NoSessionException, | ||
| 292 | IncompatibleThreadStateException { | ||
| 293 | ExpressionParser.GetFrame frameGetter = null; | ||
| 294 | ensureActiveSession(); | ||
| 295 | if (f != null) { | ||
| 296 | frameGetter = new ExpressionParser.GetFrame() { | ||
| 297 | @Override | ||
| 298 | public StackFrame get() /* throws IncompatibleThreadStateException */ { | ||
| 299 | return f; | ||
| 300 | } | ||
| 301 | }; | ||
| 302 | } | ||
| 303 | return ExpressionParser.evaluate(expr, vm(), frameGetter); | ||
| 304 | } | ||
| 305 | |||
| 306 | |||
| 307 | /* | ||
| 308 | * Start a new VM. | ||
| 309 | */ | ||
| 310 | |||
| 311 | public void run(boolean suspended, | ||
| 312 | String vmArgs, | ||
| 313 | String className, | ||
| 314 | String args) throws VMLaunchFailureException { | ||
| 315 | |||
| 316 | endSession(); | ||
| 317 | |||
| 318 | //### Set a breakpoint on 'main' method. | ||
| 319 | //### Would be cleaner if we could just bring up VM already suspended. | ||
| 320 | if (suspended) { | ||
| 321 | //### Set breakpoint at 'main(java.lang.String[])'. | ||
| 322 | List<String> argList = new ArrayList<String>(1); | ||
| 323 | argList.add("java.lang.String[]"); | ||
| 324 | createMethodBreakpoint(className, "main", argList); | ||
| 325 | } | ||
| 326 | |||
| 327 | String cmdLine = className + " " + args; | ||
| 328 | |||
| 329 | startSession(new ChildSession(this, vmArgs, cmdLine, | ||
| 330 | appInput, appOutput, appError, | ||
| 331 | diagnostics)); | ||
| 332 | } | ||
| 333 | |||
| 334 | /* | ||
| 335 | * Attach to an existing VM. | ||
| 336 | */ | ||
| 337 | public void attach(String portName) throws VMLaunchFailureException { | ||
| 338 | endSession(); | ||
| 339 | |||
| 340 | //### Changes made here for connectors have broken the | ||
| 341 | //### the 'Session' abstraction. The 'Session.attach()' | ||
| 342 | //### method is intended to encapsulate all of the various | ||
| 343 | //### ways in which session start-up can fail. (maddox 12/18/98) | ||
| 344 | |||
| 345 | /* | ||
| 346 | * Now that attaches and launches both go through Connectors, | ||
| 347 | * it may be worth creating a new subclass of Session for | ||
| 348 | * attach sessions. | ||
| 349 | */ | ||
| 350 | VirtualMachineManager mgr = Bootstrap.virtualMachineManager(); | ||
| 351 | AttachingConnector connector = mgr.attachingConnectors().get(0); | ||
| 352 | Map<String, Connector.Argument> arguments = connector.defaultArguments(); | ||
| 353 | arguments.get("port").setValue(portName); | ||
| 354 | |||
| 355 | Session newSession = internalAttach(connector, arguments); | ||
| 356 | if (newSession != null) { | ||
| 357 | startSession(newSession); | ||
| 358 | } | ||
| 359 | } | ||
| 360 | |||
| 361 | private Session internalAttach(AttachingConnector connector, | ||
| 362 | Map<String, Connector.Argument> arguments) { | ||
| 363 | try { | ||
| 364 | VirtualMachine vm = connector.attach(arguments); | ||
| 365 | return new Session(vm, this, diagnostics); | ||
| 366 | } catch (IOException ioe) { | ||
| 367 | diagnostics.putString("\n Unable to attach to target VM: " + | ||
| 368 | ioe.getMessage()); | ||
| 369 | } catch (IllegalConnectorArgumentsException icae) { | ||
| 370 | diagnostics.putString("\n Invalid connector arguments: " + | ||
| 371 | icae.getMessage()); | ||
| 372 | } | ||
| 373 | return null; | ||
| 374 | } | ||
| 375 | |||
| 376 | private Session internalListen(ListeningConnector connector, | ||
| 377 | Map<String, Connector.Argument> arguments) { | ||
| 378 | try { | ||
| 379 | VirtualMachine vm = connector.accept(arguments); | ||
| 380 | return new Session(vm, this, diagnostics); | ||
| 381 | } catch (IOException ioe) { | ||
| 382 | diagnostics.putString( | ||
| 383 | "\n Unable to accept connection to target VM: " + | ||
| 384 | ioe.getMessage()); | ||
| 385 | } catch (IllegalConnectorArgumentsException icae) { | ||
| 386 | diagnostics.putString("\n Invalid connector arguments: " + | ||
| 387 | icae.getMessage()); | ||
| 388 | } | ||
| 389 | return null; | ||
| 390 | } | ||
| 391 | |||
| 392 | /* | ||
| 393 | * Connect via user specified arguments | ||
| 394 | * @return true on success | ||
| 395 | */ | ||
| 396 | public boolean explictStart(Connector connector, Map<String, Connector.Argument> arguments) | ||
| 397 | throws VMLaunchFailureException { | ||
| 398 | Session newSession = null; | ||
| 399 | |||
| 400 | endSession(); | ||
| 401 | |||
| 402 | if (connector instanceof LaunchingConnector) { | ||
| 403 | // we were launched, use ChildSession | ||
| 404 | newSession = new ChildSession(this, (LaunchingConnector)connector, | ||
| 405 | arguments, | ||
| 406 | appInput, appOutput, appError, | ||
| 407 | diagnostics); | ||
| 408 | } else if (connector instanceof AttachingConnector) { | ||
| 409 | newSession = internalAttach((AttachingConnector)connector, | ||
| 410 | arguments); | ||
| 411 | } else if (connector instanceof ListeningConnector) { | ||
| 412 | newSession = internalListen((ListeningConnector)connector, | ||
| 413 | arguments); | ||
| 414 | } else { | ||
| 415 | diagnostics.putString("\n Unknown connector: " + connector); | ||
| 416 | } | ||
| 417 | if (newSession != null) { | ||
| 418 | startSession(newSession); | ||
| 419 | } | ||
| 420 | return newSession != null; | ||
| 421 | } | ||
| 422 | |||
| 423 | /* | ||
| 424 | * Detach from VM. If VM was started by debugger, terminate it. | ||
| 425 | */ | ||
| 426 | public void detach() throws NoSessionException { | ||
| 427 | ensureActiveSession(); | ||
| 428 | endSession(); | ||
| 429 | } | ||
| 430 | |||
| 431 | private void startSession(Session s) throws VMLaunchFailureException { | ||
| 432 | if (!s.attach()) { | ||
| 433 | throw new VMLaunchFailureException(); | ||
| 434 | } | ||
| 435 | session = s; | ||
| 436 | EventRequestManager em = vm().eventRequestManager(); | ||
| 437 | ClassPrepareRequest classPrepareRequest = em.createClassPrepareRequest(); | ||
| 438 | //### We must allow the deferred breakpoints to be resolved before | ||
| 439 | //### we continue executing the class. We could optimize if there | ||
| 440 | //### were no deferred breakpoints outstanding for a particular class. | ||
| 441 | //### Can we do this with JDI? | ||
| 442 | classPrepareRequest.setSuspendPolicy(EventRequest.SUSPEND_ALL); | ||
| 443 | classPrepareRequest.enable(); | ||
| 444 | ClassUnloadRequest classUnloadRequest = em.createClassUnloadRequest(); | ||
| 445 | classUnloadRequest.setSuspendPolicy(EventRequest.SUSPEND_NONE); | ||
| 446 | classUnloadRequest.enable(); | ||
| 447 | ThreadStartRequest threadStartRequest = em.createThreadStartRequest(); | ||
| 448 | threadStartRequest.setSuspendPolicy(EventRequest.SUSPEND_NONE); | ||
| 449 | threadStartRequest.enable(); | ||
| 450 | ThreadDeathRequest threadDeathRequest = em.createThreadDeathRequest(); | ||
| 451 | threadDeathRequest.setSuspendPolicy(EventRequest.SUSPEND_NONE); | ||
| 452 | threadDeathRequest.enable(); | ||
| 453 | ExceptionRequest exceptionRequest = | ||
| 454 | em.createExceptionRequest(null, false, true); | ||
| 455 | exceptionRequest.setSuspendPolicy(EventRequest.SUSPEND_ALL); | ||
| 456 | exceptionRequest.enable(); | ||
| 457 | validateThreadInfo(); | ||
| 458 | session.interrupted = true; | ||
| 459 | notifySessionStart(); | ||
| 460 | } | ||
| 461 | |||
| 462 | void endSession() { | ||
| 463 | if (session != null) { | ||
| 464 | session.detach(); | ||
| 465 | session = null; | ||
| 466 | invalidateThreadInfo(); | ||
| 467 | notifySessionDeath(); | ||
| 468 | } | ||
| 469 | } | ||
| 470 | |||
| 471 | /* | ||
| 472 | * Suspend all VM activity. | ||
| 473 | */ | ||
| 474 | |||
| 475 | public void interrupt() throws NoSessionException { | ||
| 476 | ensureActiveSession(); | ||
| 477 | vm().suspend(); | ||
| 478 | //### Is it guaranteed that the interrupt has happened? | ||
| 479 | validateThreadInfo(); | ||
| 480 | session.interrupted = true; | ||
| 481 | notifyInterrupted(); | ||
| 482 | } | ||
| 483 | |||
| 484 | /* | ||
| 485 | * Resume interrupted VM. | ||
| 486 | */ | ||
| 487 | |||
| 488 | public void go() throws NoSessionException, VMNotInterruptedException { | ||
| 489 | ensureActiveSession(); | ||
| 490 | invalidateThreadInfo(); | ||
| 491 | session.interrupted = false; | ||
| 492 | notifyContinued(); | ||
| 493 | vm().resume(); | ||
| 494 | } | ||
| 495 | |||
| 496 | /* | ||
| 497 | * Stepping. | ||
| 498 | */ | ||
| 499 | void clearPreviousStep(ThreadReference thread) { | ||
| 500 | /* | ||
| 501 | * A previous step may not have completed on this thread; | ||
| 502 | * if so, it gets removed here. | ||
| 503 | */ | ||
| 504 | EventRequestManager mgr = vm().eventRequestManager(); | ||
| 505 | for (StepRequest request : mgr.stepRequests()) { | ||
| 506 | if (request.thread().equals(thread)) { | ||
| 507 | mgr.deleteEventRequest(request); | ||
| 508 | break; | ||
| 509 | } | ||
| 510 | } | ||
| 511 | } | ||
| 512 | |||
| 513 | private void generalStep(ThreadReference thread, int size, int depth) | ||
| 514 | throws NoSessionException { | ||
| 515 | ensureActiveSession(); | ||
| 516 | invalidateThreadInfo(); | ||
| 517 | session.interrupted = false; | ||
| 518 | notifyContinued(); | ||
| 519 | |||
| 520 | clearPreviousStep(thread); | ||
| 521 | EventRequestManager reqMgr = vm().eventRequestManager(); | ||
| 522 | StepRequest request = reqMgr.createStepRequest(thread, | ||
| 523 | size, depth); | ||
| 524 | // We want just the next step event and no others | ||
| 525 | request.addCountFilter(1); | ||
| 526 | request.enable(); | ||
| 527 | vm().resume(); | ||
| 528 | } | ||
| 529 | |||
| 530 | public void stepIntoInstruction(ThreadReference thread) | ||
| 531 | throws NoSessionException { | ||
| 532 | generalStep(thread, StepRequest.STEP_MIN, StepRequest.STEP_INTO); | ||
| 533 | } | ||
| 534 | |||
| 535 | public void stepOverInstruction(ThreadReference thread) | ||
| 536 | throws NoSessionException { | ||
| 537 | generalStep(thread, StepRequest.STEP_MIN, StepRequest.STEP_OVER); | ||
| 538 | } | ||
| 539 | |||
| 540 | public void stepIntoLine(ThreadReference thread) | ||
| 541 | throws NoSessionException, | ||
| 542 | AbsentInformationException { | ||
| 543 | generalStep(thread, StepRequest.STEP_LINE, StepRequest.STEP_INTO); | ||
| 544 | } | ||
| 545 | |||
| 546 | public void stepOverLine(ThreadReference thread) | ||
| 547 | throws NoSessionException, | ||
| 548 | AbsentInformationException { | ||
| 549 | generalStep(thread, StepRequest.STEP_LINE, StepRequest.STEP_OVER); | ||
| 550 | } | ||
| 551 | |||
| 552 | public void stepOut(ThreadReference thread) | ||
| 553 | throws NoSessionException { | ||
| 554 | generalStep(thread, StepRequest.STEP_MIN, StepRequest.STEP_OUT); | ||
| 555 | } | ||
| 556 | |||
| 557 | /* | ||
| 558 | * Thread control. | ||
| 559 | */ | ||
| 560 | |||
| 561 | public void suspendThread(ThreadReference thread) throws NoSessionException { | ||
| 562 | ensureActiveSession(); | ||
| 563 | thread.suspend(); | ||
| 564 | } | ||
| 565 | |||
| 566 | public void resumeThread(ThreadReference thread) throws NoSessionException { | ||
| 567 | ensureActiveSession(); | ||
| 568 | thread.resume(); | ||
| 569 | } | ||
| 570 | |||
| 571 | public void stopThread(ThreadReference thread) throws NoSessionException { | ||
| 572 | ensureActiveSession(); | ||
| 573 | //### Need an exception now. Which one to use? | ||
| 574 | //thread.stop(); | ||
| 575 | } | ||
| 576 | |||
| 577 | /* | ||
| 578 | * ThreadInfo objects -- Allow query of thread status and stack. | ||
| 579 | */ | ||
| 580 | |||
| 581 | private List<ThreadInfo> threadInfoList = new LinkedList<ThreadInfo>(); | ||
| 582 | //### Should be weak! (in the value, not the key) | ||
| 583 | private HashMap<ThreadReference, ThreadInfo> threadInfoMap = new HashMap<ThreadReference, ThreadInfo>(); | ||
| 584 | |||
| 585 | public ThreadInfo threadInfo(ThreadReference thread) { | ||
| 586 | if (session == null || thread == null) { | ||
| 587 | return null; | ||
| 588 | } | ||
| 589 | ThreadInfo info = threadInfoMap.get(thread); | ||
| 590 | if (info == null) { | ||
| 591 | //### Should not hardcode initial frame count and prefetch here! | ||
| 592 | //info = new ThreadInfo(thread, 10, 10); | ||
| 593 | info = new ThreadInfo(thread); | ||
| 594 | if (session.interrupted) { | ||
| 595 | info.validate(); | ||
| 596 | } | ||
| 597 | threadInfoList.add(info); | ||
| 598 | threadInfoMap.put(thread, info); | ||
| 599 | } | ||
| 600 | return info; | ||
| 601 | } | ||
| 602 | |||
| 603 | void validateThreadInfo() { | ||
| 604 | session.interrupted = true; | ||
| 605 | for (ThreadInfo threadInfo : threadInfoList) { | ||
| 606 | threadInfo.validate(); | ||
| 607 | } | ||
| 608 | } | ||
| 609 | |||
| 610 | private void invalidateThreadInfo() { | ||
| 611 | if (session != null) { | ||
| 612 | session.interrupted = false; | ||
| 613 | for (ThreadInfo threadInfo : threadInfoList) { | ||
| 614 | threadInfo.invalidate(); | ||
| 615 | } | ||
| 616 | } | ||
| 617 | } | ||
| 618 | |||
| 619 | void removeThreadInfo(ThreadReference thread) { | ||
| 620 | ThreadInfo info = threadInfoMap.get(thread); | ||
| 621 | if (info != null) { | ||
| 622 | info.invalidate(); | ||
| 623 | threadInfoMap.remove(thread); | ||
| 624 | threadInfoList.remove(info); | ||
| 625 | } | ||
| 626 | } | ||
| 627 | |||
| 628 | /* | ||
| 629 | * Listen for Session control events. | ||
| 630 | */ | ||
| 631 | |||
| 632 | private void notifyInterrupted() { | ||
| 633 | ArrayList<SessionListener> l = new ArrayList<SessionListener>(sessionListeners); | ||
| 634 | EventObject evt = new EventObject(this); | ||
| 635 | for (int i = 0; i < l.size(); i++) { | ||
| 636 | l.get(i).sessionInterrupt(evt); | ||
| 637 | } | ||
| 638 | } | ||
| 639 | |||
| 640 | private void notifyContinued() { | ||
| 641 | ArrayList<SessionListener> l = new ArrayList<SessionListener>(sessionListeners); | ||
| 642 | EventObject evt = new EventObject(this); | ||
| 643 | for (int i = 0; i < l.size(); i++) { | ||
| 644 | l.get(i).sessionContinue(evt); | ||
| 645 | } | ||
| 646 | } | ||
| 647 | |||
| 648 | private void notifySessionStart() { | ||
| 649 | ArrayList<SessionListener> l = new ArrayList<SessionListener>(sessionListeners); | ||
| 650 | EventObject evt = new EventObject(this); | ||
| 651 | for (int i = 0; i < l.size(); i++) { | ||
| 652 | l.get(i).sessionStart(evt); | ||
| 653 | } | ||
| 654 | } | ||
| 655 | |||
| 656 | private void notifySessionDeath() { | ||
| 657 | /*** noop for now | ||
| 658 | ArrayList<SessionListener> l = new ArrayList<SessionListener>(sessionListeners); | ||
| 659 | EventObject evt = new EventObject(this); | ||
| 660 | for (int i = 0; i < l.size(); i++) { | ||
| 661 | ((SessionListener)l.get(i)).sessionDeath(evt); | ||
| 662 | } | ||
| 663 | ****/ | ||
| 664 | } | ||
| 665 | |||
| 666 | /* | ||
| 667 | * Listen for input and output requests from the application | ||
| 668 | * being debugged. These are generated only when the debuggee | ||
| 669 | * is spawned as a child of the debugger. | ||
| 670 | */ | ||
| 671 | |||
| 672 | private Object inputLock = new Object(); | ||
| 673 | private LinkedList<String> inputBuffer = new LinkedList<String>(); | ||
| 674 | |||
| 675 | private void resetInputBuffer() { | ||
| 676 | synchronized (inputLock) { | ||
| 677 | inputBuffer = new LinkedList<String>(); | ||
| 678 | } | ||
| 679 | } | ||
| 680 | |||
| 681 | public void sendLineToApplication(String line) { | ||
| 682 | synchronized (inputLock) { | ||
| 683 | inputBuffer.addFirst(line); | ||
| 684 | inputLock.notifyAll(); | ||
| 685 | } | ||
| 686 | } | ||
| 687 | |||
| 688 | private InputListener appInput = new InputListener() { | ||
| 689 | @Override | ||
| 690 | public String getLine() { | ||
| 691 | // Don't allow reader to be interrupted -- catch and retry. | ||
| 692 | String line = null; | ||
| 693 | while (line == null) { | ||
| 694 | synchronized (inputLock) { | ||
| 695 | try { | ||
| 696 | while (inputBuffer.size() < 1) { | ||
| 697 | inputLock.wait(); | ||
| 698 | } | ||
| 699 | line = inputBuffer.removeLast(); | ||
| 700 | } catch (InterruptedException e) {} | ||
| 701 | } | ||
| 702 | } | ||
| 703 | // We must not be holding inputLock here, as the listener | ||
| 704 | // that we call to echo a line might call us re-entrantly | ||
| 705 | // to provide another line of input. | ||
| 706 | // Run in Swing event dispatcher thread. | ||
| 707 | final String input = line; | ||
| 708 | SwingUtilities.invokeLater(new Runnable() { | ||
| 709 | @Override | ||
| 710 | public void run() { | ||
| 711 | echoInputLine(input); | ||
| 712 | } | ||
| 713 | }); | ||
| 714 | return line; | ||
| 715 | } | ||
| 716 | }; | ||
| 717 | |||
| 718 | private static String newline = System.getProperty("line.separator"); | ||
| 719 | |||
| 720 | private void echoInputLine(String line) { | ||
| 721 | ArrayList<OutputListener> l = new ArrayList<OutputListener>(appEchoListeners); | ||
| 722 | for (int i = 0; i < l.size(); i++) { | ||
| 723 | OutputListener ol = l.get(i); | ||
| 724 | ol.putString(line); | ||
| 725 | ol.putString(newline); | ||
| 726 | } | ||
| 727 | } | ||
| 728 | |||
| 729 | private OutputListener appOutput = new OutputListener() { | ||
| 730 | @Override | ||
| 731 | public void putString(String string) { | ||
| 732 | ArrayList<OutputListener> l = new ArrayList<OutputListener>(appEchoListeners); | ||
| 733 | for (int i = 0; i < l.size(); i++) { | ||
| 734 | l.get(i).putString(string); | ||
| 735 | } | ||
| 736 | } | ||
| 737 | }; | ||
| 738 | |||
| 739 | private OutputListener appError = new OutputListener() { | ||
| 740 | @Override | ||
| 741 | public void putString(String string) { | ||
| 742 | ArrayList<OutputListener> l = new ArrayList<OutputListener>(appEchoListeners); | ||
| 743 | for (int i = 0; i < l.size(); i++) { | ||
| 744 | l.get(i).putString(string); | ||
| 745 | } | ||
| 746 | } | ||
| 747 | }; | ||
| 748 | |||
| 749 | private OutputListener diagnostics = new OutputListener() { | ||
| 750 | @Override | ||
| 751 | public void putString(String string) { | ||
| 752 | ArrayList<OutputListener> l = new ArrayList<OutputListener>(diagnosticsListeners); | ||
| 753 | for (int i = 0; i < l.size(); i++) { | ||
| 754 | l.get(i).putString(string); | ||
| 755 | } | ||
| 756 | } | ||
| 757 | }; | ||
| 758 | |||
| 759 | ///////////// Spec Request Creation/Deletion/Query /////////// | ||
| 760 | |||
| 761 | private EventRequestSpecList specList = new EventRequestSpecList(this); | ||
| 762 | |||
| 763 | public BreakpointSpec | ||
| 764 | createSourceLineBreakpoint(String sourceName, int line) { | ||
| 765 | return specList.createSourceLineBreakpoint(sourceName, line); | ||
| 766 | } | ||
| 767 | |||
| 768 | public BreakpointSpec | ||
| 769 | createClassLineBreakpoint(String classPattern, int line) { | ||
| 770 | return specList.createClassLineBreakpoint(classPattern, line); | ||
| 771 | } | ||
| 772 | |||
| 773 | public BreakpointSpec | ||
| 774 | createMethodBreakpoint(String classPattern, | ||
| 775 | String methodId, List<String> methodArgs) { | ||
| 776 | return specList.createMethodBreakpoint(classPattern, | ||
| 777 | methodId, methodArgs); | ||
| 778 | } | ||
| 779 | |||
| 780 | public ExceptionSpec | ||
| 781 | createExceptionIntercept(String classPattern, | ||
| 782 | boolean notifyCaught, | ||
| 783 | boolean notifyUncaught) { | ||
| 784 | return specList.createExceptionIntercept(classPattern, | ||
| 785 | notifyCaught, | ||
| 786 | notifyUncaught); | ||
| 787 | } | ||
| 788 | |||
| 789 | public AccessWatchpointSpec | ||
| 790 | createAccessWatchpoint(String classPattern, String fieldId) { | ||
| 791 | return specList.createAccessWatchpoint(classPattern, fieldId); | ||
| 792 | } | ||
| 793 | |||
| 794 | public ModificationWatchpointSpec | ||
| 795 | createModificationWatchpoint(String classPattern, String fieldId) { | ||
| 796 | return specList.createModificationWatchpoint(classPattern, | ||
| 797 | fieldId); | ||
| 798 | } | ||
| 799 | |||
| 800 | public void delete(EventRequestSpec spec) { | ||
| 801 | specList.delete(spec); | ||
| 802 | } | ||
| 803 | |||
| 804 | void resolve(ReferenceType refType) { | ||
| 805 | specList.resolve(refType); | ||
| 806 | } | ||
| 807 | |||
| 808 | public void install(EventRequestSpec spec) { | ||
| 809 | specList.install(spec, vm()); | ||
| 810 | } | ||
| 811 | |||
| 812 | public List<EventRequestSpec> eventRequestSpecs() { | ||
| 813 | return specList.eventRequestSpecs(); | ||
| 814 | } | ||
| 815 | } | ||