Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/CommandProcessor.java @ 196:d1605aabd0a1 jdk7-b30
6719955: Update copyright year
Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell
| author | xdono |
|---|---|
| date | Wed, 02 Jul 2008 12:55:16 -0700 |
| parents | ba764ed4b6f2 |
| children | 873ec3787992 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 196 | 2 * Copyright 2005-2008 Sun Microsystems, Inc. All Rights Reserved. |
| 0 | 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. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot; | |
| 26 | |
| 27 import java.io.*; | |
| 28 import java.math.*; | |
| 29 import java.util.*; | |
| 30 import java.util.regex.*; | |
| 31 | |
| 32 import sun.jvm.hotspot.types.Type; | |
| 33 import sun.jvm.hotspot.types.Field; | |
| 34 import sun.jvm.hotspot.HotSpotTypeDataBase; | |
| 35 import sun.jvm.hotspot.types.basic.BasicType; | |
| 36 import sun.jvm.hotspot.types.CIntegerType; | |
| 37 import sun.jvm.hotspot.code.*; | |
| 38 import sun.jvm.hotspot.compiler.*; | |
| 39 import sun.jvm.hotspot.debugger.*; | |
| 40 import sun.jvm.hotspot.interpreter.*; | |
| 41 import sun.jvm.hotspot.memory.*; | |
| 42 import sun.jvm.hotspot.oops.*; | |
| 43 import sun.jvm.hotspot.runtime.*; | |
| 44 import sun.jvm.hotspot.utilities.*; | |
| 45 import sun.jvm.hotspot.utilities.soql.*; | |
| 46 import sun.jvm.hotspot.ui.classbrowser.*; | |
| 47 import sun.jvm.hotspot.ui.tree.*; | |
| 48 import sun.jvm.hotspot.tools.*; | |
| 49 import sun.jvm.hotspot.tools.ObjectHistogram; | |
| 50 import sun.jvm.hotspot.tools.StackTrace; | |
| 51 | |
| 52 public class CommandProcessor { | |
| 53 public abstract static class DebuggerInterface { | |
| 54 public abstract HotSpotAgent getAgent(); | |
| 55 public abstract boolean isAttached(); | |
| 56 public abstract void attach(String pid); | |
| 57 public abstract void attach(String java, String core); | |
| 58 public abstract void detach(); | |
| 59 public abstract void reattach(); | |
| 60 } | |
| 61 | |
| 62 static class Tokens { | |
| 63 final String input; | |
| 64 int i; | |
| 65 String[] tokens; | |
| 66 int length; | |
| 67 | |
| 68 String[] splitWhitespace(String cmd) { | |
| 69 String[] t = cmd.split("\\s"); | |
| 70 if (t.length == 1 && t[0].length() == 0) { | |
| 71 return new String[0]; | |
| 72 } | |
| 73 return t; | |
| 74 } | |
| 75 | |
| 76 void add(String s, ArrayList t) { | |
| 77 if (s.length() > 0) { | |
| 78 t.add(s); | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 Tokens(String cmd) { | |
| 83 input = cmd; | |
| 84 | |
| 85 // check for quoting | |
| 86 int quote = cmd.indexOf('"'); | |
| 87 ArrayList t = new ArrayList(); | |
| 88 if (quote != -1) { | |
| 89 while (cmd.length() > 0) { | |
| 90 if (quote != -1) { | |
| 91 int endquote = cmd.indexOf('"', quote + 1); | |
| 92 if (endquote == -1) { | |
| 93 throw new RuntimeException("mismatched quotes: " + input); | |
| 94 } | |
| 95 | |
| 96 String before = cmd.substring(0, quote).trim(); | |
| 97 String quoted = cmd.substring(quote + 1, endquote); | |
| 98 cmd = cmd.substring(endquote + 1).trim(); | |
| 99 if (before.length() > 0) { | |
| 100 String[] w = splitWhitespace(before); | |
| 101 for (int i = 0; i < w.length; i++) { | |
| 102 add(w[i], t); | |
| 103 } | |
| 104 } | |
| 105 add(quoted, t); | |
| 106 quote = cmd.indexOf('"'); | |
| 107 } else { | |
| 108 String[] w = splitWhitespace(cmd); | |
| 109 for (int i = 0; i < w.length; i++) { | |
| 110 add(w[i], t); | |
| 111 } | |
| 112 cmd = ""; | |
| 113 | |
| 114 } | |
| 115 } | |
| 116 } else { | |
| 117 String[] w = splitWhitespace(cmd); | |
| 118 for (int i = 0; i < w.length; i++) { | |
| 119 add(w[i], t); | |
| 120 } | |
| 121 } | |
| 122 tokens = (String[])t.toArray(new String[0]); | |
| 123 i = 0; | |
| 124 length = tokens.length; | |
| 125 | |
| 126 //for (int i = 0; i < tokens.length; i++) { | |
| 127 // System.out.println("\"" + tokens[i] + "\""); | |
| 128 //} | |
| 129 } | |
| 130 | |
| 131 String nextToken() { | |
| 132 return tokens[i++]; | |
| 133 } | |
| 134 boolean hasMoreTokens() { | |
| 135 return i < length; | |
| 136 } | |
| 137 int countTokens() { | |
| 138 return length - i; | |
| 139 } | |
| 140 void trim(int n) { | |
| 141 if (length >= n) { | |
| 142 length -= n; | |
| 143 } else { | |
| 144 throw new IndexOutOfBoundsException(String.valueOf(n)); | |
| 145 } | |
| 146 } | |
| 147 String join(String sep) { | |
| 148 StringBuffer result = new StringBuffer(); | |
| 149 for (int w = i; w < length; w++) { | |
| 150 result.append(tokens[w]); | |
| 151 if (w + 1 < length) { | |
| 152 result.append(sep); | |
| 153 } | |
| 154 } | |
| 155 return result.toString(); | |
| 156 } | |
| 157 | |
| 158 String at(int i) { | |
| 159 if (i < 0 || i >= length) { | |
| 160 throw new IndexOutOfBoundsException(String.valueOf(i)); | |
| 161 } | |
| 162 return tokens[i]; | |
| 163 } | |
| 164 } | |
| 165 | |
| 166 | |
| 167 abstract class Command { | |
| 168 Command(String n, String u, boolean ok) { | |
| 169 name = n; | |
| 170 usage = u; | |
| 171 okIfDisconnected = ok; | |
| 172 } | |
| 173 | |
| 174 Command(String n, boolean ok) { | |
| 175 name = n; | |
| 176 usage = n; | |
| 177 okIfDisconnected = ok; | |
| 178 } | |
| 179 | |
| 180 final String name; | |
| 181 final String usage; | |
| 182 final boolean okIfDisconnected; | |
| 183 abstract void doit(Tokens t); | |
| 184 void usage() { | |
| 185 out.println("Usage: " + usage); | |
| 186 } | |
| 187 | |
| 188 void printOopValue(Oop oop) { | |
| 189 if (oop != null) { | |
| 190 Klass k = oop.getKlass(); | |
| 191 Symbol s = k.getName(); | |
| 192 if (s != null) { | |
| 193 out.print("Oop for " + s.asString() + " @ "); | |
| 194 } else { | |
| 195 out.print("Oop @ "); | |
| 196 } | |
| 197 Oop.printOopAddressOn(oop, out); | |
| 198 } else { | |
| 199 out.print("null"); | |
| 200 } | |
| 201 } | |
| 202 | |
| 203 void printNode(SimpleTreeNode node) { | |
| 204 int count = node.getChildCount(); | |
| 205 for (int i = 0; i < count; i++) { | |
| 206 try { | |
| 207 SimpleTreeNode field = node.getChild(i); | |
| 208 if (field instanceof OopTreeNodeAdapter) { | |
| 209 out.print(field); | |
| 210 out.print(" "); | |
| 211 printOopValue(((OopTreeNodeAdapter)field).getOop()); | |
| 212 out.println(); | |
| 213 } else { | |
| 214 out.println(field); | |
| 215 } | |
| 216 } catch (Exception e) { | |
| 217 out.println(); | |
| 218 out.println("Error: " + e); | |
| 219 if (verboseExceptions) { | |
| 220 e.printStackTrace(out); | |
| 221 } | |
| 222 } | |
| 223 } | |
| 224 } | |
| 225 } | |
| 226 | |
| 227 void quote(String s) { | |
| 228 if (s.indexOf(" ") == -1) { | |
| 229 out.print(s); | |
| 230 } else { | |
| 231 out.print("\""); | |
| 232 out.print(s); | |
| 233 out.print("\""); | |
| 234 } | |
| 235 } | |
| 236 | |
| 237 void dumpType(Type type) { | |
| 238 out.print("type "); | |
| 239 quote(type.getName()); | |
| 240 out.print(" "); | |
| 241 if (type.getSuperclass() != null) { | |
| 242 quote(type.getSuperclass().getName()); | |
| 243 out.print(" "); | |
| 244 } else { | |
| 245 out.print("null "); | |
| 246 } | |
| 247 out.print(type.isOopType()); | |
| 248 out.print(" "); | |
| 249 if (type.isCIntegerType()) { | |
| 250 out.print("true "); | |
| 251 out.print(((CIntegerType)type).isUnsigned()); | |
| 252 out.print(" "); | |
| 253 } else { | |
| 254 out.print("false false "); | |
| 255 } | |
| 256 out.print(type.getSize()); | |
| 257 out.println(); | |
| 258 } | |
| 259 | |
| 260 void dumpFields(Type type) { | |
| 261 Iterator i = type.getFields(); | |
| 262 while (i.hasNext()) { | |
| 263 Field f = (Field) i.next(); | |
| 264 out.print("field "); | |
| 265 quote(type.getName()); | |
| 266 out.print(" "); | |
| 267 out.print(f.getName()); | |
| 268 out.print(" "); | |
| 269 quote(f.getType().getName()); | |
| 270 out.print(" "); | |
| 271 out.print(f.isStatic()); | |
| 272 out.print(" "); | |
| 273 if (f.isStatic()) { | |
| 274 out.print("0 "); | |
| 275 out.print(f.getStaticFieldAddress()); | |
| 276 } else { | |
| 277 out.print(f.getOffset()); | |
| 278 out.print(" 0x0"); | |
| 279 } | |
| 280 out.println(); | |
| 281 } | |
| 282 } | |
| 283 | |
| 284 | |
| 285 Address lookup(String symbol) { | |
| 286 if (symbol.indexOf("::") != -1) { | |
| 287 String[] parts = symbol.split("::"); | |
| 288 StringBuffer mangled = new StringBuffer("__1c"); | |
| 289 for (int i = 0; i < parts.length; i++) { | |
| 290 int len = parts[i].length(); | |
| 291 if (len >= 26) { | |
| 292 mangled.append((char)('a' + (len / 26))); | |
| 293 len = len % 26; | |
| 294 } | |
| 295 mangled.append((char)('A' + len)); | |
| 296 mangled.append(parts[i]); | |
| 297 } | |
| 298 mangled.append("_"); | |
| 299 symbol = mangled.toString(); | |
| 300 } | |
| 301 return VM.getVM().getDebugger().lookup(null, symbol); | |
| 302 } | |
| 303 | |
| 304 Address parseAddress(String addr) { | |
| 305 return VM.getVM().getDebugger().parseAddress(addr); | |
| 306 } | |
| 307 | |
| 308 private final Command[] commandList = { | |
| 309 new Command("reattach", true) { | |
| 310 public void doit(Tokens t) { | |
| 311 int tokens = t.countTokens(); | |
| 312 if (tokens != 0) { | |
| 313 usage(); | |
| 314 return; | |
| 315 } | |
| 316 preAttach(); | |
| 317 debugger.reattach(); | |
| 318 postAttach(); | |
| 319 } | |
| 320 }, | |
| 321 new Command("attach", "attach pid | exec core", true) { | |
| 322 public void doit(Tokens t) { | |
| 323 int tokens = t.countTokens(); | |
| 324 if (tokens == 1) { | |
| 325 preAttach(); | |
| 326 debugger.attach(t.nextToken()); | |
| 327 postAttach(); | |
| 328 } else if (tokens == 2) { | |
| 329 preAttach(); | |
| 330 debugger.attach(t.nextToken(), t.nextToken()); | |
| 331 postAttach(); | |
| 332 } else { | |
| 333 usage(); | |
| 334 } | |
| 335 } | |
| 336 }, | |
| 337 new Command("detach", false) { | |
| 338 public void doit(Tokens t) { | |
| 339 if (t.countTokens() != 0) { | |
| 340 usage(); | |
| 341 } else { | |
| 342 debugger.detach(); | |
| 343 } | |
| 344 } | |
| 345 }, | |
| 346 new Command("examine", "examine [ address/count ] | [ address,address]", false) { | |
| 347 Pattern args1 = Pattern.compile("^(0x[0-9a-f]+)(/([0-9]*)([a-z]*))?$"); | |
| 348 Pattern args2 = Pattern.compile("^(0x[0-9a-f]+),(0x[0-9a-f]+)(/[a-z]*)?$"); | |
| 349 | |
| 350 String fill(Address a, int width) { | |
| 351 String s = "0x0"; | |
| 352 if (a != null) { | |
| 353 s = a.toString(); | |
| 354 } | |
| 355 if (s.length() != width) { | |
| 356 return s.substring(0, 2) + "000000000000000000000".substring(0, width - s.length()) + s.substring(2); | |
| 357 } | |
| 358 return s; | |
| 359 } | |
| 360 | |
| 361 public void doit(Tokens t) { | |
| 362 if (t.countTokens() != 1) { | |
| 363 usage(); | |
| 364 } else { | |
| 365 String arg = t.nextToken(); | |
| 366 Matcher m1 = args1.matcher(arg); | |
| 367 Matcher m2 = args2.matcher(arg); | |
| 368 Address start = null; | |
| 369 Address end = null; | |
| 370 String format = ""; | |
| 371 int formatSize = (int)VM.getVM().getAddressSize(); | |
| 372 | |
| 373 if (m1.matches()) { | |
| 374 start = VM.getVM().getDebugger().parseAddress(m1.group(1)); | |
| 375 int count = 1; | |
| 376 if (m1.group(2) != null) { | |
| 377 count = Integer.parseInt(m1.group(3)); | |
| 378 } | |
| 379 end = start.addOffsetTo(count * formatSize); | |
| 380 } else if (m2.matches()) { | |
| 381 start = VM.getVM().getDebugger().parseAddress(m2.group(1)); | |
| 382 end = VM.getVM().getDebugger().parseAddress(m2.group(2)); | |
| 383 } else { | |
| 384 usage(); | |
| 385 return; | |
| 386 } | |
| 387 int line = 80; | |
| 388 int formatWidth = formatSize * 8 / 4 + 2; | |
| 389 | |
| 390 out.print(fill(start, formatWidth)); | |
| 391 out.print(": "); | |
| 392 int width = line - formatWidth - 2; | |
| 393 | |
| 394 boolean needsPrintln = true; | |
| 395 while (start != null && start.lessThan(end)) { | |
| 396 Address val = start.getAddressAt(0); | |
| 397 out.print(fill(val, formatWidth)); | |
| 398 needsPrintln = true; | |
| 399 width -= formatWidth; | |
| 400 start = start.addOffsetTo(formatSize); | |
| 401 if (width <= formatWidth) { | |
| 402 out.println(); | |
| 403 needsPrintln = false; | |
| 404 if (start.lessThan(end)) { | |
| 405 out.print(fill(start, formatWidth)); | |
| 406 out.print(": "); | |
| 407 width = line - formatWidth - 2; | |
| 408 } | |
| 409 } else { | |
| 410 out.print(" "); | |
| 411 width -= 1; | |
| 412 } | |
| 413 } | |
| 414 if (needsPrintln) { | |
| 415 out.println(); | |
| 416 } | |
| 417 } | |
| 418 } | |
| 419 }, | |
| 420 new Command("findpc", "findpc address", false) { | |
| 421 public void doit(Tokens t) { | |
| 422 if (t.countTokens() != 1) { | |
| 423 usage(); | |
| 424 } else { | |
| 425 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 426 PointerLocation loc = PointerFinder.find(a); | |
| 427 loc.printOn(out); | |
| 428 } | |
| 429 } | |
| 430 }, | |
| 431 new Command("flags", "flags [ flag ]", false) { | |
| 432 public void doit(Tokens t) { | |
| 433 int tokens = t.countTokens(); | |
| 434 if (tokens != 0 && tokens != 1) { | |
| 435 usage(); | |
| 436 } else { | |
| 437 String name = tokens > 0 ? t.nextToken() : null; | |
| 438 | |
| 439 VM.Flag[] flags = VM.getVM().getCommandLineFlags(); | |
| 440 if (flags == null) { | |
| 441 out.println("Command Flag info not available (use 1.4.1_03 or later)!"); | |
| 442 } else { | |
| 443 boolean printed = false; | |
| 444 for (int f = 0; f < flags.length; f++) { | |
| 445 VM.Flag flag = flags[f]; | |
| 446 if (name == null || flag.getName().equals(name)) { | |
| 447 out.println(flag.getName() + " = " + flag.getValue()); | |
| 448 printed = true; | |
| 449 } | |
| 450 } | |
| 451 if (name != null && !printed) { | |
| 452 out.println("Couldn't find flag: " + name); | |
| 453 } | |
| 454 } | |
| 455 } | |
| 456 } | |
| 457 }, | |
| 458 new Command("help", "help [ command ]", true) { | |
| 459 public void doit(Tokens t) { | |
| 460 int tokens = t.countTokens(); | |
| 461 Command cmd = null; | |
| 462 if (tokens == 1) { | |
| 463 cmd = findCommand(t.nextToken()); | |
| 464 } | |
| 465 | |
| 466 if (cmd != null) { | |
| 467 cmd.usage(); | |
| 468 } else if (tokens == 0) { | |
| 469 out.println("Available commands:"); | |
| 470 Object[] keys = commands.keySet().toArray(); | |
| 471 Arrays.sort(keys, new Comparator() { | |
| 472 public int compare(Object o1, Object o2) { | |
| 473 return o1.toString().compareTo(o2.toString()); | |
| 474 } | |
| 475 }); | |
| 476 for (int i = 0; i < keys.length; i++) { | |
| 477 out.print(" "); | |
| 478 out.println(((Command)commands.get(keys[i])).usage); | |
| 479 } | |
| 480 } | |
| 481 } | |
| 482 }, | |
| 483 new Command("history", "history", true) { | |
| 484 public void doit(Tokens t) { | |
| 485 int tokens = t.countTokens(); | |
| 486 if (tokens != 0 && (tokens != 1 || !t.nextToken().equals("-h"))) { | |
| 487 usage(); | |
| 488 return; | |
| 489 } | |
| 490 boolean printIndex = tokens == 0; | |
| 491 for (int i = 0; i < history.size(); i++) { | |
| 492 if (printIndex) out.print(i + " "); | |
| 493 out.println(history.get(i)); | |
| 494 } | |
| 495 } | |
| 496 }, | |
| 497 new Command("inspect", "inspect expression", false) { | |
| 498 public void doit(Tokens t) { | |
| 499 if (t.countTokens() != 1) { | |
| 500 usage(); | |
| 501 } else { | |
| 502 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 503 SimpleTreeNode node = null; | |
| 504 if (VM.getVM().getUniverse().heap().isInReserved(a)) { | |
| 505 OopHandle handle = a.addOffsetToAsOopHandle(0); | |
| 506 Oop oop = VM.getVM().getObjectHeap().newOop(handle); | |
| 507 node = new OopTreeNodeAdapter(oop, null); | |
| 508 | |
| 509 out.println("instance of " + node.getValue() + " @ " + a + | |
| 510 " (size = " + oop.getObjectSize() + ")"); | |
| 511 } else if (VM.getVM().getCodeCache().contains(a)) { | |
| 512 CodeBlob blob = VM.getVM().getCodeCache().findBlobUnsafe(a); | |
| 513 a = blob.headerBegin(); | |
| 514 } | |
| 515 if (node == null) { | |
| 516 Type type = VM.getVM().getTypeDataBase().guessTypeForAddress(a); | |
| 517 if (type != null) { | |
| 518 out.println("Type is " + type.getName() + " (size of " + type.getSize() + ")"); | |
| 519 node = new CTypeTreeNodeAdapter(a, type, null); | |
| 520 } | |
| 521 } | |
| 522 if (node != null) { | |
| 523 printNode(node); | |
| 524 } | |
| 525 } | |
| 526 } | |
| 527 }, | |
| 528 new Command("jhisto", "jhisto", false) { | |
| 529 public void doit(Tokens t) { | |
| 530 ObjectHistogram histo = new ObjectHistogram(); | |
| 531 histo.run(out, err); | |
| 532 } | |
| 533 }, | |
| 534 new Command("jstack", "jstack [-v]", false) { | |
| 535 public void doit(Tokens t) { | |
| 536 boolean verbose = false; | |
| 537 if (t.countTokens() > 0 && t.nextToken().equals("-v")) { | |
| 538 verbose = true; | |
| 539 } | |
| 540 StackTrace jstack = new StackTrace(verbose, true); | |
| 541 jstack.run(out); | |
| 542 } | |
| 543 }, | |
| 544 new Command("print", "print expression", false) { | |
| 545 public void doit(Tokens t) { | |
| 546 if (t.countTokens() != 1) { | |
| 547 usage(); | |
| 548 } else { | |
| 549 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 550 HTMLGenerator gen = new HTMLGenerator(false); | |
| 551 out.println(gen.genHTML(a)); | |
| 552 } | |
| 553 } | |
| 554 }, | |
| 555 new Command("printas", "printas type expression", false) { | |
| 556 public void doit(Tokens t) { | |
| 557 if (t.countTokens() != 2) { | |
| 558 usage(); | |
| 559 } else { | |
| 560 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 561 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 562 CTypeTreeNodeAdapter node = new CTypeTreeNodeAdapter(a, type, null); | |
| 563 | |
| 564 out.println("pointer to " + type + " @ " + a + | |
| 565 " (size = " + type.getSize() + ")"); | |
| 566 printNode(node); | |
| 567 } | |
| 568 } | |
| 569 }, | |
| 570 new Command("symbol", "symbol name", false) { | |
| 571 public void doit(Tokens t) { | |
| 572 if (t.countTokens() != 1) { | |
| 573 usage(); | |
| 574 } else { | |
| 575 String symbol = t.nextToken(); | |
| 576 Address a = lookup(symbol); | |
| 577 out.println(symbol + " = " + a); | |
| 578 } | |
| 579 } | |
| 580 }, | |
| 581 new Command("printstatics", "printstatics [ type ]", false) { | |
| 582 public void doit(Tokens t) { | |
| 583 if (t.countTokens() > 1) { | |
| 584 usage(); | |
| 585 } else { | |
| 586 if (t.countTokens() == 0) { | |
| 587 out.println("All known static fields"); | |
| 588 printNode(new CTypeTreeNodeAdapter(agent.getTypeDataBase().getTypes())); | |
| 589 } else { | |
| 590 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 591 out.println("Static fields of " + type.getName()); | |
| 592 printNode(new CTypeTreeNodeAdapter(type)); | |
| 593 } | |
| 594 } | |
| 595 } | |
| 596 }, | |
| 597 new Command("pmap", "pmap", false) { | |
| 598 public void doit(Tokens t) { | |
| 599 PMap pmap = new PMap(); | |
| 600 pmap.run(out, debugger.getAgent().getDebugger()); | |
| 601 } | |
| 602 }, | |
| 603 new Command("pstack", "pstack [-v]", false) { | |
| 604 public void doit(Tokens t) { | |
| 605 boolean verbose = false; | |
| 606 if (t.countTokens() > 0 && t.nextToken().equals("-v")) { | |
| 607 verbose = true; | |
| 608 } | |
| 609 PStack pstack = new PStack(verbose, true); | |
| 610 pstack.run(out, debugger.getAgent().getDebugger()); | |
| 611 } | |
| 612 }, | |
| 613 new Command("quit", true) { | |
| 614 public void doit(Tokens t) { | |
| 615 if (t.countTokens() != 0) { | |
| 616 usage(); | |
| 617 } else { | |
| 618 debugger.detach(); | |
| 619 System.exit(0); | |
| 620 } | |
| 621 } | |
| 622 }, | |
| 623 new Command("echo", "echo [ true | false ]", true) { | |
| 624 public void doit(Tokens t) { | |
| 625 if (t.countTokens() == 0) { | |
| 626 out.println("echo is " + doEcho); | |
| 627 } else if (t.countTokens() == 1) { | |
| 628 doEcho = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 629 } else { | |
| 630 usage(); | |
| 631 } | |
| 632 } | |
| 633 }, | |
| 634 new Command("versioncheck", "versioncheck [ true | false ]", true) { | |
| 635 public void doit(Tokens t) { | |
| 636 if (t.countTokens() == 0) { | |
| 637 out.println("versioncheck is " + | |
| 638 (System.getProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck") == null)); | |
| 639 } else if (t.countTokens() == 1) { | |
| 640 if (Boolean.valueOf(t.nextToken()).booleanValue()) { | |
| 641 System.setProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck", null); | |
| 642 } else { | |
| 643 System.setProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck", "true"); | |
| 644 } | |
| 645 } else { | |
| 646 usage(); | |
| 647 } | |
| 648 } | |
| 649 }, | |
| 650 new Command("scanoops", "scanoops start end [ type ]", false) { | |
| 651 public void doit(Tokens t) { | |
| 652 if (t.countTokens() != 2 && t.countTokens() != 3) { | |
| 653 usage(); | |
| 654 } else { | |
| 655 long stride = VM.getVM().getAddressSize(); | |
| 656 Address base = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 657 Address end = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 658 Klass klass = null; | |
| 659 if (t.countTokens() == 1) { | |
| 660 klass = SystemDictionaryHelper.findInstanceKlass(t.nextToken()); | |
| 661 } | |
| 662 while (base != null && base.lessThan(end)) { | |
| 663 long step = stride; | |
| 664 OopHandle handle = base.addOffsetToAsOopHandle(0); | |
| 665 if (RobustOopDeterminator.oopLooksValid(handle)) { | |
| 666 try { | |
| 667 Oop oop = VM.getVM().getObjectHeap().newOop(handle); | |
| 668 if (klass == null || oop.getKlass().isSubtypeOf(klass)) | |
| 669 out.println(handle.toString() + " " + oop.getKlass().getName().asString()); | |
| 670 step = oop.getObjectSize(); | |
| 671 } catch (UnknownOopException ex) { | |
| 672 // ok | |
| 673 } catch (RuntimeException ex) { | |
| 674 ex.printStackTrace(); | |
| 675 } | |
| 676 } | |
| 677 base = base.addOffsetTo(step); | |
| 678 } | |
| 679 } | |
| 680 } | |
| 681 }, | |
| 682 new Command("field", "field [ type [ name fieldtype isStatic offset address ] ]", true) { | |
| 683 public void doit(Tokens t) { | |
| 684 if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 6) { | |
| 685 usage(); | |
| 686 return; | |
| 687 } | |
| 688 if (t.countTokens() == 1) { | |
| 689 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 690 dumpFields(type); | |
| 691 } else if (t.countTokens() == 0) { | |
| 692 Iterator i = agent.getTypeDataBase().getTypes(); | |
| 693 while (i.hasNext()) { | |
| 694 dumpFields((Type)i.next()); | |
| 695 } | |
| 696 } else { | |
| 697 BasicType containingType = (BasicType)agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 698 | |
| 699 String fieldName = t.nextToken(); | |
| 700 | |
| 701 // The field's Type must already be in the database -- no exceptions | |
| 702 Type fieldType = agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 703 | |
| 704 boolean isStatic = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 705 long offset = Long.parseLong(t.nextToken()); | |
| 706 Address staticAddress = parseAddress(t.nextToken()); | |
| 707 if (isStatic && staticAddress == null) { | |
| 708 staticAddress = lookup(containingType.getName() + "::" + fieldName); | |
| 709 } | |
| 710 | |
| 711 // check to see if the field already exists | |
| 712 Iterator i = containingType.getFields(); | |
| 713 while (i.hasNext()) { | |
| 714 Field f = (Field) i.next(); | |
| 715 if (f.getName().equals(fieldName)) { | |
| 716 if (f.isStatic() != isStatic) { | |
| 717 throw new RuntimeException("static/nonstatic mismatch: " + t.input); | |
| 718 } | |
| 719 if (!isStatic) { | |
| 720 if (f.getOffset() != offset) { | |
| 721 throw new RuntimeException("bad redefinition of field offset: " + t.input); | |
| 722 } | |
| 723 } else { | |
| 724 if (!f.getStaticFieldAddress().equals(staticAddress)) { | |
| 725 throw new RuntimeException("bad redefinition of field location: " + t.input); | |
| 726 } | |
| 727 } | |
| 728 if (f.getType() != fieldType) { | |
| 729 throw new RuntimeException("bad redefinition of field type: " + t.input); | |
| 730 } | |
| 731 return; | |
| 732 } | |
| 733 } | |
| 734 | |
| 735 // Create field by type | |
| 736 HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); | |
| 737 db.createField(containingType, | |
| 738 fieldName, fieldType, | |
| 739 isStatic, | |
| 740 offset, | |
| 741 staticAddress); | |
| 742 | |
| 743 } | |
| 744 } | |
| 745 | |
| 746 }, | |
| 747 new Command("tokenize", "tokenize ...", true) { | |
| 748 public void doit(Tokens t) { | |
| 749 while (t.hasMoreTokens()) { | |
| 750 out.println("\"" + t.nextToken() + "\""); | |
| 751 } | |
| 752 } | |
| 753 }, | |
| 754 new Command("type", "type [ type [ name super isOop isInteger isUnsigned size ] ]", true) { | |
| 755 public void doit(Tokens t) { | |
| 756 if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 6) { | |
| 757 usage(); | |
| 758 return; | |
| 759 } | |
| 760 if (t.countTokens() == 6) { | |
| 761 String typeName = t.nextToken(); | |
| 762 String superclassName = t.nextToken(); | |
| 763 if (superclassName.equals("null")) { | |
| 764 superclassName = null; | |
| 765 } | |
| 766 boolean isOop = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 767 boolean isInteger = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 768 boolean isUnsigned = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 769 long size = Long.parseLong(t.nextToken()); | |
| 770 | |
| 771 BasicType type = null; | |
| 772 try { | |
| 773 type = (BasicType)agent.getTypeDataBase().lookupType(typeName); | |
| 774 } catch (RuntimeException e) { | |
| 775 } | |
| 776 if (type != null) { | |
| 777 if (type.isOopType() != isOop) { | |
| 778 throw new RuntimeException("oop mismatch in type definition: " + t.input); | |
| 779 } | |
| 780 if (type.isCIntegerType() != isInteger) { | |
| 781 throw new RuntimeException("integer type mismatch in type definition: " + t.input); | |
| 782 } | |
| 783 if (type.isCIntegerType() && (((CIntegerType)type).isUnsigned()) != isUnsigned) { | |
| 784 throw new RuntimeException("unsigned mismatch in type definition: " + t.input); | |
| 785 } | |
| 786 if (type.getSuperclass() == null) { | |
| 787 if (superclassName != null) { | |
| 788 if (type.getSize() == -1) { | |
| 789 type.setSuperclass(agent.getTypeDataBase().lookupType(superclassName)); | |
| 790 } else { | |
| 791 throw new RuntimeException("unexpected superclass in type definition: " + t.input); | |
| 792 } | |
| 793 } | |
| 794 } else { | |
| 795 if (superclassName == null) { | |
| 796 throw new RuntimeException("missing superclass in type definition: " + t.input); | |
| 797 } | |
| 798 if (!type.getSuperclass().getName().equals(superclassName)) { | |
| 799 throw new RuntimeException("incorrect superclass in type definition: " + t.input); | |
| 800 } | |
| 801 } | |
| 802 if (type.getSize() != size) { | |
| 803 if (type.getSize() == -1) { | |
| 804 type.setSize(size); | |
| 805 } | |
| 806 throw new RuntimeException("size mismatch in type definition: " + t.input); | |
| 807 } | |
| 808 return; | |
| 809 } | |
| 810 | |
| 811 // Create type | |
| 812 HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); | |
| 813 db.createType(typeName, superclassName, isOop, isInteger, isUnsigned, size); | |
| 814 } else if (t.countTokens() == 1) { | |
| 815 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 816 dumpType(type); | |
| 817 } else { | |
| 818 Iterator i = agent.getTypeDataBase().getTypes(); | |
| 819 while (i.hasNext()) { | |
| 820 dumpType((Type)i.next()); | |
| 821 } | |
| 822 } | |
| 823 } | |
| 824 | |
| 825 }, | |
| 826 new Command("source", "source filename", true) { | |
| 827 public void doit(Tokens t) { | |
| 828 if (t.countTokens() != 1) { | |
| 829 usage(); | |
| 830 return; | |
| 831 } | |
| 832 String file = t.nextToken(); | |
| 833 BufferedReader savedInput = in; | |
| 834 try { | |
| 835 BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(file))); | |
| 836 in = input; | |
| 837 run(false); | |
| 838 } catch (Exception e) { | |
| 839 out.println("Error: " + e); | |
| 840 if (verboseExceptions) { | |
| 841 e.printStackTrace(out); | |
| 842 } | |
| 843 } finally { | |
| 844 in = savedInput; | |
| 845 } | |
| 846 | |
| 847 } | |
| 848 }, | |
| 849 new Command("search", "search [ heap | codecache | threads ] value", false) { | |
| 850 public void doit(Tokens t) { | |
| 851 if (t.countTokens() != 2) { | |
| 852 usage(); | |
| 853 } else { | |
| 854 String type = t.nextToken(); | |
| 855 final Address value = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 856 final long stride = VM.getVM().getAddressSize(); | |
| 857 if (type.equals("threads")) { | |
| 858 Threads threads = VM.getVM().getThreads(); | |
| 859 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 860 Address base = thread.getBaseOfStackPointer(); | |
| 861 Address end = thread.getLastJavaSP(); | |
| 862 if (end == null) continue; | |
| 863 if (end.lessThan(base)) { | |
| 864 Address tmp = base; | |
| 865 base = end; | |
| 866 end = tmp; | |
| 867 } | |
| 868 out.println("Searching " + base + " " + end); | |
| 869 while (base != null && base.lessThan(end)) { | |
| 870 Address val = base.getAddressAt(0); | |
| 871 if (AddressOps.equal(val, value)) { | |
| 872 out.println(base); | |
| 873 } | |
| 874 base = base.addOffsetTo(stride); | |
| 875 } | |
| 876 } | |
| 877 } else if (type.equals("heap")) { | |
| 878 RawHeapVisitor iterator = new RawHeapVisitor() { | |
| 879 public void prologue(long used) { | |
| 880 } | |
| 881 | |
| 882 public void visitAddress(Address addr) { | |
| 883 Address val = addr.getAddressAt(0); | |
| 884 if (AddressOps.equal(val, value)) { | |
| 885 out.println("found at " + addr); | |
| 886 } | |
| 887 } | |
|
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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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diff
changeset
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888 public void visitCompOopAddress(Address addr) { |
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ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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parents:
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diff
changeset
|
889 Address val = addr.getCompOopAddressAt(0); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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parents:
0
diff
changeset
|
890 if (AddressOps.equal(val, value)) { |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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parents:
0
diff
changeset
|
891 out.println("found at " + addr); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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parents:
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diff
changeset
|
892 } |
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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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parents:
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diff
changeset
|
893 } |
| 0 | 894 public void epilogue() { |
| 895 } | |
| 896 }; | |
| 897 VM.getVM().getObjectHeap().iterateRaw(iterator); | |
| 898 } else if (type.equals("codecache")) { | |
| 899 CodeCacheVisitor v = new CodeCacheVisitor() { | |
| 900 public void prologue(Address start, Address end) { | |
| 901 } | |
| 902 public void visit(CodeBlob blob) { | |
| 903 boolean printed = false; | |
| 904 Address base = blob.getAddress(); | |
| 905 Address end = base.addOffsetTo(blob.getSize()); | |
| 906 while (base != null && base.lessThan(end)) { | |
| 907 Address val = base.getAddressAt(0); | |
| 908 if (AddressOps.equal(val, value)) { | |
| 909 if (!printed) { | |
| 910 printed = true; | |
| 911 blob.printOn(out); | |
| 912 } | |
| 913 out.println("found at " + base + "\n"); | |
| 914 } | |
| 915 base = base.addOffsetTo(stride); | |
| 916 } | |
| 917 } | |
| 918 public void epilogue() { | |
| 919 } | |
| 920 | |
| 921 | |
| 922 }; | |
| 923 VM.getVM().getCodeCache().iterate(v); | |
| 924 | |
| 925 } | |
| 926 } | |
| 927 } | |
| 928 }, | |
| 929 new Command("where", "where { -a | id }", false) { | |
| 930 public void doit(Tokens t) { | |
| 931 if (t.countTokens() != 1) { | |
| 932 usage(); | |
| 933 } else { | |
| 934 String name = t.nextToken(); | |
| 935 Threads threads = VM.getVM().getThreads(); | |
| 936 boolean all = name.equals("-a"); | |
| 937 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 938 StringWriter sw = new StringWriter(); | |
| 939 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 940 thread.printThreadIDOn(new PrintStream(bos)); | |
| 941 if (all || bos.toString().equals(name)) { | |
| 942 HTMLGenerator gen = new HTMLGenerator(false); | |
| 943 out.println(gen.genHTMLForJavaStackTrace(thread)); | |
| 944 if (!all) return; | |
| 945 } | |
| 946 } | |
| 947 if (!all) out.println("Couldn't find thread " + name); | |
| 948 } | |
| 949 } | |
| 950 }, | |
| 951 | |
| 952 new Command("threads", false) { | |
| 953 public void doit(Tokens t) { | |
| 954 if (t.countTokens() != 0) { | |
| 955 usage(); | |
| 956 } else { | |
| 957 Threads threads = VM.getVM().getThreads(); | |
| 958 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 959 thread.printThreadIDOn(out); | |
| 960 out.println(" " + thread.getThreadName()); | |
| 961 } | |
| 962 } | |
| 963 } | |
| 964 }, | |
| 965 | |
| 966 new Command("livenmethods", false) { | |
| 967 public void doit(Tokens t) { | |
| 968 if (t.countTokens() != 0) { | |
| 969 usage(); | |
| 970 } else { | |
| 971 ArrayList nmethods = new ArrayList(); | |
| 972 Threads threads = VM.getVM().getThreads(); | |
| 973 HTMLGenerator gen = new HTMLGenerator(false); | |
| 974 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 975 try { | |
| 976 for (JavaVFrame vf = thread.getLastJavaVFrameDbg(); vf != null; vf = vf.javaSender()) { | |
| 977 if (vf instanceof CompiledVFrame) { | |
| 978 NMethod c = ((CompiledVFrame)vf).getCode(); | |
| 979 if (!nmethods.contains(c)) { | |
| 980 nmethods.add(c); | |
| 981 out.println(gen.genHTML(c)); | |
| 982 } | |
| 983 } | |
| 984 } | |
| 985 } catch (Exception e) { | |
| 986 e.printStackTrace(); | |
| 987 } | |
| 988 } | |
| 989 } | |
| 990 } | |
| 991 }, | |
| 992 new Command("universe", false) { | |
| 993 public void doit(Tokens t) { | |
| 994 if (t.countTokens() != 0) { | |
| 995 usage(); | |
| 996 } else { | |
| 997 Universe u = VM.getVM().getUniverse(); | |
| 998 out.println("Heap Parameters:"); | |
| 999 u.heap().printOn(out); | |
| 1000 } | |
| 1001 } | |
| 1002 }, | |
| 1003 new Command("verbose", "verbose true | false", true) { | |
| 1004 public void doit(Tokens t) { | |
| 1005 if (t.countTokens() != 1) { | |
| 1006 usage(); | |
| 1007 } else { | |
| 1008 verboseExceptions = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 1009 } | |
| 1010 } | |
| 1011 }, | |
| 1012 new Command("assert", "assert true | false", true) { | |
| 1013 public void doit(Tokens t) { | |
| 1014 if (t.countTokens() != 1) { | |
| 1015 usage(); | |
| 1016 } else { | |
| 1017 Assert.ASSERTS_ENABLED = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 1018 } | |
| 1019 } | |
| 1020 }, | |
| 1021 }; | |
| 1022 | |
| 1023 private boolean verboseExceptions = false; | |
| 1024 private ArrayList history = new ArrayList(); | |
| 1025 private HashMap commands = new HashMap(); | |
| 1026 private boolean doEcho = false; | |
| 1027 | |
| 1028 private Command findCommand(String key) { | |
| 1029 return (Command)commands.get(key); | |
| 1030 } | |
| 1031 | |
| 1032 public void printPrompt() { | |
| 1033 out.print("hsdb> "); | |
| 1034 } | |
| 1035 | |
| 1036 private DebuggerInterface debugger; | |
| 1037 private HotSpotAgent agent; | |
| 1038 private JSJavaScriptEngine jsengine; | |
| 1039 private BufferedReader in; | |
| 1040 private PrintStream out; | |
| 1041 private PrintStream err; | |
| 1042 | |
| 1043 // called before debuggee attach | |
| 1044 private void preAttach() { | |
| 1045 // nothing for now.. | |
| 1046 } | |
| 1047 | |
| 1048 // called after debuggee attach | |
| 1049 private void postAttach() { | |
| 1050 // create JavaScript engine and start it | |
| 1051 jsengine = new JSJavaScriptEngine() { | |
| 1052 private ObjectReader reader = new ObjectReader(); | |
| 1053 private JSJavaFactory factory = new JSJavaFactoryImpl(); | |
| 1054 public ObjectReader getObjectReader() { | |
| 1055 return reader; | |
| 1056 } | |
| 1057 public JSJavaFactory getJSJavaFactory() { | |
| 1058 return factory; | |
| 1059 } | |
| 1060 protected void quit() { | |
| 1061 debugger.detach(); | |
| 1062 System.exit(0); | |
| 1063 } | |
| 1064 protected BufferedReader getInputReader() { | |
| 1065 return in; | |
| 1066 } | |
| 1067 protected PrintStream getOutputStream() { | |
| 1068 return out; | |
| 1069 } | |
| 1070 protected PrintStream getErrorStream() { | |
| 1071 return err; | |
| 1072 } | |
| 1073 }; | |
| 1074 try { | |
| 1075 jsengine.defineFunction(this, | |
| 1076 this.getClass().getMethod("registerCommand", | |
| 1077 new Class[] { | |
| 1078 String.class, String.class, String.class | |
| 1079 })); | |
| 1080 } catch (NoSuchMethodException exp) { | |
| 1081 // should not happen, see below...!! | |
| 1082 exp.printStackTrace(); | |
| 1083 } | |
| 1084 jsengine.start(); | |
| 1085 } | |
| 1086 | |
| 1087 public void registerCommand(String cmd, String usage, final String func) { | |
| 1088 commands.put(cmd, new Command(cmd, usage, false) { | |
| 1089 public void doit(Tokens t) { | |
| 1090 final int len = t.countTokens(); | |
| 1091 Object[] args = new Object[len]; | |
| 1092 for (int i = 0; i < len; i++) { | |
| 1093 args[i] = t.nextToken(); | |
| 1094 } | |
| 1095 jsengine.call(func, args); | |
| 1096 } | |
| 1097 }); | |
| 1098 } | |
| 1099 | |
| 1100 public void setOutput(PrintStream o) { | |
| 1101 out = o; | |
| 1102 } | |
| 1103 | |
| 1104 public void setErr(PrintStream e) { | |
| 1105 err = e; | |
| 1106 } | |
| 1107 | |
| 1108 public CommandProcessor(DebuggerInterface debugger, BufferedReader in, PrintStream out, PrintStream err) { | |
| 1109 this.debugger = debugger; | |
| 1110 this.agent = debugger.getAgent(); | |
| 1111 this.in = in; | |
| 1112 this.out = out; | |
| 1113 this.err = err; | |
| 1114 for (int i = 0; i < commandList.length; i++) { | |
| 1115 Command c = commandList[i]; | |
| 1116 commands.put(c.name, c); | |
| 1117 } | |
| 1118 if (debugger.isAttached()) { | |
| 1119 postAttach(); | |
| 1120 } | |
| 1121 } | |
| 1122 | |
| 1123 | |
| 1124 public void run(boolean prompt) { | |
| 1125 // Process interactive commands. | |
| 1126 while (true) { | |
| 1127 if (prompt) printPrompt(); | |
| 1128 String ln = null; | |
| 1129 try { | |
| 1130 ln = in.readLine(); | |
| 1131 } catch (IOException e) { | |
| 1132 } | |
| 1133 if (ln == null) { | |
| 1134 if (prompt) err.println("Input stream closed."); | |
| 1135 return; | |
| 1136 } | |
| 1137 | |
| 1138 executeCommand(ln); | |
| 1139 } | |
| 1140 } | |
| 1141 | |
| 1142 static Pattern historyPattern = Pattern.compile("((!\\*)|(!\\$)|(!!-?)|(!-?[0-9][0-9]*))"); | |
| 1143 | |
| 1144 public void executeCommand(String ln) { | |
| 1145 if (ln.indexOf('!') != -1) { | |
| 1146 int size = history.size(); | |
| 1147 if (size == 0) { | |
| 1148 ln = ""; | |
| 1149 err.println("History is empty"); | |
| 1150 } else { | |
| 1151 StringBuffer result = new StringBuffer(); | |
| 1152 Matcher m = historyPattern.matcher(ln); | |
| 1153 int start = 0; | |
| 1154 while (m.find()) { | |
| 1155 if (m.start() > start) { | |
| 1156 result.append(ln.substring(start, m.start() - start)); | |
| 1157 } | |
| 1158 start = m.end(); | |
| 1159 | |
| 1160 String cmd = m.group(); | |
| 1161 if (cmd.equals("!!")) { | |
| 1162 result.append((String)history.get(history.size() - 1)); | |
| 1163 } else if (cmd.equals("!!-")) { | |
| 1164 Tokens item = new Tokens((String)history.get(history.size() - 1)); | |
| 1165 item.trim(1); | |
| 1166 result.append(item.join(" ")); | |
| 1167 } else if (cmd.equals("!*")) { | |
| 1168 Tokens item = new Tokens((String)history.get(history.size() - 1)); | |
| 1169 item.nextToken(); | |
| 1170 result.append(item.join(" ")); | |
| 1171 } else if (cmd.equals("!$")) { | |
| 1172 Tokens item = new Tokens((String)history.get(history.size() - 1)); | |
| 1173 result.append(item.at(item.countTokens() - 1)); | |
| 1174 } else { | |
| 1175 String tail = cmd.substring(1); | |
| 1176 int index = Integer.parseInt(tail); | |
| 1177 if (index < 0) { | |
| 1178 index = history.size() + index; | |
| 1179 } | |
| 1180 if (index > size) { | |
| 1181 err.println("No such history item"); | |
| 1182 } else { | |
| 1183 result.append((String)history.get(index)); | |
| 1184 } | |
| 1185 } | |
| 1186 } | |
| 1187 if (result.length() == 0) { | |
| 1188 err.println("malformed history reference"); | |
| 1189 ln = ""; | |
| 1190 } else { | |
| 1191 if (start < ln.length()) { | |
| 1192 result.append(ln.substring(start)); | |
| 1193 } | |
| 1194 ln = result.toString(); | |
| 1195 if (!doEcho) { | |
| 1196 out.println(ln); | |
| 1197 } | |
| 1198 } | |
| 1199 } | |
| 1200 } | |
| 1201 | |
| 1202 if (doEcho) { | |
| 1203 out.println("+ " + ln); | |
| 1204 } | |
| 1205 | |
| 1206 PrintStream redirect = null; | |
| 1207 Tokens t = new Tokens(ln); | |
| 1208 if (t.hasMoreTokens()) { | |
| 1209 boolean error = false; | |
| 1210 history.add(ln); | |
| 1211 int len = t.countTokens(); | |
| 1212 if (len > 2) { | |
| 1213 String r = t.at(len - 2); | |
| 1214 if (r.equals(">") || r.equals(">>")) { | |
| 1215 boolean append = r.length() == 2; | |
| 1216 String file = t.at(len - 1); | |
| 1217 try { | |
| 1218 redirect = new PrintStream(new BufferedOutputStream(new FileOutputStream(file, append))); | |
| 1219 t.trim(2); | |
| 1220 } catch (Exception e) { | |
| 1221 out.println("Error: " + e); | |
| 1222 if (verboseExceptions) { | |
| 1223 e.printStackTrace(out); | |
| 1224 } | |
| 1225 error = true; | |
| 1226 } | |
| 1227 } | |
| 1228 } | |
| 1229 if (!error) { | |
| 1230 PrintStream savedout = out; | |
| 1231 if (redirect != null) { | |
| 1232 out = redirect; | |
| 1233 } | |
| 1234 try { | |
| 1235 executeCommand(t); | |
| 1236 } catch (Exception e) { | |
| 1237 err.println("Error: " + e); | |
| 1238 if (verboseExceptions) { | |
| 1239 e.printStackTrace(err); | |
| 1240 } | |
| 1241 } finally { | |
| 1242 if (redirect != null) { | |
| 1243 out = savedout; | |
| 1244 redirect.close(); | |
| 1245 } | |
| 1246 } | |
| 1247 } | |
| 1248 } | |
| 1249 } | |
| 1250 | |
| 1251 void executeCommand(Tokens args) { | |
| 1252 String cmd = args.nextToken(); | |
| 1253 | |
| 1254 Command doit = findCommand(cmd); | |
| 1255 | |
| 1256 /* | |
| 1257 * Check for an unknown command | |
| 1258 */ | |
| 1259 if (doit == null) { | |
| 1260 out.println("Unrecognized command. Try help..."); | |
| 1261 } else if (!debugger.isAttached() && !doit.okIfDisconnected) { | |
| 1262 out.println("Command not valid until the attached to a VM"); | |
| 1263 } else { | |
| 1264 try { | |
| 1265 doit.doit(args); | |
| 1266 } catch (Exception e) { | |
| 1267 out.println("Error: " + e); | |
| 1268 if (verboseExceptions) { | |
| 1269 e.printStackTrace(out); | |
| 1270 } | |
| 1271 } | |
| 1272 } | |
| 1273 } | |
| 1274 } |