| 1 | /* |
| 2 | * Copyright 1999-2006 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.javac.util; |
| 27 | |
| 28 | import java.io.*; |
| 29 | import java.nio.CharBuffer; |
| 30 | import java.util.HashMap; |
| 31 | import java.util.HashSet; |
| 32 | import java.util.Map; |
| 33 | import java.util.Set; |
| 34 | import javax.tools.DiagnosticListener; |
| 35 | import javax.tools.JavaFileObject; |
| 36 | import com.sun.tools.javac.code.Source; |
| 37 | import com.sun.tools.javac.tree.JCTree; |
| 38 | import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition; |
| 39 | import com.sun.tools.javac.util.JCDiagnostic.DiagnosticType; |
| 40 | import com.sun.tools.javac.util.JCDiagnostic.SimpleDiagnosticPosition; |
| 41 | import static com.sun.tools.javac.util.LayoutCharacters.*; |
| 42 | |
| 43 | /** A class for error logs. Reports errors and warnings, and |
| 44 | * keeps track of error numbers and positions. |
| 45 | * |
| 46 | * <p><b>This is NOT part of any API supported by Sun Microsystems. If |
| 47 | * you write code that depends on this, you do so at your own risk. |
| 48 | * This code and its internal interfaces are subject to change or |
| 49 | * deletion without notice.</b> |
| 50 | */ |
| 51 | public class Log { |
| 52 | /** The context key for the log. */ |
| 53 | public static final Context.Key<Log> logKey |
| 54 | = new Context.Key<Log>(); |
| 55 | |
| 56 | /** The context key for the output PrintWriter. */ |
| 57 | public static final Context.Key<PrintWriter> outKey = |
| 58 | new Context.Key<PrintWriter>(); |
| 59 | |
| 60 | //@Deprecated |
| 61 | public final PrintWriter errWriter; |
| 62 | |
| 63 | //@Deprecated |
| 64 | public final PrintWriter warnWriter; |
| 65 | |
| 66 | //@Deprecated |
| 67 | public final PrintWriter noticeWriter; |
| 68 | |
| 69 | /** The maximum number of errors/warnings that are reported. |
| 70 | */ |
| 71 | public final int MaxErrors; |
| 72 | public final int MaxWarnings; |
| 73 | |
| 74 | /** Whether or not to display the line of source containing a diagnostic. |
| 75 | */ |
| 76 | private final boolean showSourceLine; |
| 77 | |
| 78 | /** Switch: prompt user on each error. |
| 79 | */ |
| 80 | public boolean promptOnError; |
| 81 | |
| 82 | /** Switch: emit warning messages. |
| 83 | */ |
| 84 | public boolean emitWarnings; |
| 85 | |
| 86 | /** Enforce mandatory warnings. |
| 87 | */ |
| 88 | private boolean enforceMandatoryWarnings; |
| 89 | |
| 90 | /** Print stack trace on errors? |
| 91 | */ |
| 92 | public boolean dumpOnError; |
| 93 | |
| 94 | /** Print multiple errors for same source locations. |
| 95 | */ |
| 96 | public boolean multipleErrors; |
| 97 | |
| 98 | /** |
| 99 | * Diagnostic listener, if provided through programmatic |
| 100 | * interface to javac (JSR 199). |
| 101 | */ |
| 102 | protected DiagnosticListener<? super JavaFileObject> diagListener; |
| 103 | /** |
| 104 | * Formatter for diagnostics |
| 105 | */ |
| 106 | private DiagnosticFormatter diagFormatter; |
| 107 | |
| 108 | /** |
| 109 | * Factory for diagnostics |
| 110 | */ |
| 111 | private JCDiagnostic.Factory diags; |
| 112 | |
| 113 | |
| 114 | /** Construct a log with given I/O redirections. |
| 115 | */ |
| 116 | @Deprecated |
| 117 | protected Log(Context context, PrintWriter errWriter, PrintWriter warnWriter, PrintWriter noticeWriter) { |
| 118 | context.put(logKey, this); |
| 119 | this.errWriter = errWriter; |
| 120 | this.warnWriter = warnWriter; |
| 121 | this.noticeWriter = noticeWriter; |
| 122 | |
| 123 | this.diags = JCDiagnostic.Factory.instance(context); |
| 124 | |
| 125 | Options options = Options.instance(context); |
| 126 | this.dumpOnError = options.get("-doe") != null; |
| 127 | this.promptOnError = options.get("-prompt") != null; |
| 128 | this.emitWarnings = options.get("-Xlint:none") == null; |
| 129 | this.MaxErrors = getIntOption(options, "-Xmaxerrs", 100); |
| 130 | this.MaxWarnings = getIntOption(options, "-Xmaxwarns", 100); |
| 131 | this.showSourceLine = options.get("rawDiagnostics") == null; |
| 132 | |
| 133 | this.diagFormatter = DiagnosticFormatter.instance(context); |
| 134 | @SuppressWarnings("unchecked") // FIXME |
| 135 | DiagnosticListener<? super JavaFileObject> diagListener = |
| 136 | context.get(DiagnosticListener.class); |
| 137 | this.diagListener = diagListener; |
| 138 | |
| 139 | Source source = Source.instance(context); |
| 140 | this.enforceMandatoryWarnings = source.enforceMandatoryWarnings(); |
| 141 | } |
| 142 | // where |
| 143 | private int getIntOption(Options options, String optionName, int defaultValue) { |
| 144 | String s = options.get(optionName); |
| 145 | try { |
| 146 | if (s != null) return Integer.parseInt(s); |
| 147 | } catch (NumberFormatException e) { |
| 148 | // silently ignore ill-formed numbers |
| 149 | } |
| 150 | return defaultValue; |
| 151 | } |
| 152 | |
| 153 | /** The default writer for diagnostics |
| 154 | */ |
| 155 | static final PrintWriter defaultWriter(Context context) { |
| 156 | PrintWriter result = context.get(outKey); |
| 157 | if (result == null) |
| 158 | context.put(outKey, result = new PrintWriter(System.err)); |
| 159 | return result; |
| 160 | } |
| 161 | |
| 162 | /** Construct a log with default settings. |
| 163 | */ |
| 164 | protected Log(Context context) { |
| 165 | this(context, defaultWriter(context)); |
| 166 | } |
| 167 | |
| 168 | /** Construct a log with all output redirected. |
| 169 | */ |
| 170 | protected Log(Context context, PrintWriter defaultWriter) { |
| 171 | this(context, defaultWriter, defaultWriter, defaultWriter); |
| 172 | } |
| 173 | |
| 174 | /** Get the Log instance for this context. */ |
| 175 | public static Log instance(Context context) { |
| 176 | Log instance = context.get(logKey); |
| 177 | if (instance == null) |
| 178 | instance = new Log(context); |
| 179 | return instance; |
| 180 | } |
| 181 | |
| 182 | /** The file that's currently translated. |
| 183 | */ |
| 184 | protected JCDiagnostic.DiagnosticSource source; |
| 185 | |
| 186 | /** The number of errors encountered so far. |
| 187 | */ |
| 188 | public int nerrors = 0; |
| 189 | |
| 190 | /** The number of warnings encountered so far. |
| 191 | */ |
| 192 | public int nwarnings = 0; |
| 193 | |
| 194 | /** A set of all errors generated so far. This is used to avoid printing an |
| 195 | * error message more than once. For each error, a pair consisting of the |
| 196 | * source file name and source code position of the error is added to the set. |
| 197 | */ |
| 198 | private Set<Pair<JavaFileObject, Integer>> recorded = new HashSet<Pair<JavaFileObject,Integer>>(); |
| 199 | |
| 200 | private Map<JavaFileObject, Map<JCTree, Integer>> endPosTables; |
| 201 | |
| 202 | /** The buffer containing the file that's currently translated. |
| 203 | */ |
| 204 | private char[] buf = null; |
| 205 | |
| 206 | /** The position in the buffer at which last error was reported |
| 207 | */ |
| 208 | private int bp; |
| 209 | |
| 210 | /** number of the current source line; first line is 1 |
| 211 | */ |
| 212 | private int line; |
| 213 | |
| 214 | /** buffer index of the first character of the current source line |
| 215 | */ |
| 216 | private int lineStart; |
| 217 | |
| 218 | public boolean hasDiagnosticListener() { |
| 219 | return diagListener != null; |
| 220 | } |
| 221 | |
| 222 | public void setEndPosTable(JavaFileObject name, Map<JCTree, Integer> table) { |
| 223 | if (endPosTables == null) |
| 224 | endPosTables = new HashMap<JavaFileObject, Map<JCTree, Integer>>(); |
| 225 | endPosTables.put(name, table); |
| 226 | } |
| 227 | |
| 228 | /** Re-assign source, returning previous setting. |
| 229 | */ |
| 230 | public JavaFileObject useSource(final JavaFileObject name) { |
| 231 | JavaFileObject prev = currentSource(); |
| 232 | if (name != prev) { |
| 233 | source = new JCDiagnostic.DiagnosticSource() { |
| 234 | public JavaFileObject getFile() { |
| 235 | return name; |
| 236 | } |
| 237 | public CharSequence getName() { |
| 238 | return JavacFileManager.getJavacBaseFileName(getFile()); |
| 239 | } |
| 240 | public int getLineNumber(int pos) { |
| 241 | return Log.this.getLineNumber(pos); |
| 242 | } |
| 243 | public int getColumnNumber(int pos) { |
| 244 | return Log.this.getColumnNumber(pos); |
| 245 | } |
| 246 | public Map<JCTree, Integer> getEndPosTable() { |
| 247 | return (endPosTables == null ? null : endPosTables.get(name)); |
| 248 | } |
| 249 | }; |
| 250 | buf = null; |
| 251 | } |
| 252 | return prev; |
| 253 | } |
| 254 | |
| 255 | /** Re-assign source buffer for existing source name. |
| 256 | */ |
| 257 | protected void setBuf(char[] newBuf) { |
| 258 | buf = newBuf; |
| 259 | bp = 0; |
| 260 | lineStart = 0; |
| 261 | line = 1; |
| 262 | } |
| 263 | |
| 264 | protected char[] getBuf() { |
| 265 | return buf; |
| 266 | } |
| 267 | |
| 268 | /** Return current source name. |
| 269 | */ |
| 270 | public JavaFileObject currentSource() { |
| 271 | return source == null ? null : source.getFile(); |
| 272 | } |
| 273 | |
| 274 | /** Flush the logs |
| 275 | */ |
| 276 | public void flush() { |
| 277 | errWriter.flush(); |
| 278 | warnWriter.flush(); |
| 279 | noticeWriter.flush(); |
| 280 | } |
| 281 | |
| 282 | /** Returns true if an error needs to be reported for a given |
| 283 | * source name and pos. |
| 284 | */ |
| 285 | protected boolean shouldReport(JavaFileObject file, int pos) { |
| 286 | if (multipleErrors || file == null) |
| 287 | return true; |
| 288 | |
| 289 | Pair<JavaFileObject,Integer> coords = new Pair<JavaFileObject,Integer>(file, pos); |
| 290 | boolean shouldReport = !recorded.contains(coords); |
| 291 | if (shouldReport) |
| 292 | recorded.add(coords); |
| 293 | return shouldReport; |
| 294 | } |
| 295 | |
| 296 | /** Prompt user after an error. |
| 297 | */ |
| 298 | public void prompt() { |
| 299 | if (promptOnError) { |
| 300 | System.err.println(getLocalizedString("resume.abort")); |
| 301 | char ch; |
| 302 | try { |
| 303 | while (true) { |
| 304 | switch (System.in.read()) { |
| 305 | case 'a': case 'A': |
| 306 | System.exit(-1); |
| 307 | return; |
| 308 | case 'r': case 'R': |
| 309 | return; |
| 310 | case 'x': case 'X': |
| 311 | throw new AssertionError("user abort"); |
| 312 | default: |
| 313 | } |
| 314 | } |
| 315 | } catch (IOException e) {} |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | /** Print the faulty source code line and point to the error. |
| 320 | * @param pos Buffer index of the error position, must be on current line |
| 321 | */ |
| 322 | private void printErrLine(int pos, PrintWriter writer) { |
| 323 | if (!findLine(pos)) |
| 324 | return; |
| 325 | |
| 326 | int lineEnd = lineStart; |
| 327 | while (lineEnd < buf.length && buf[lineEnd] != CR && buf[lineEnd] != LF) |
| 328 | lineEnd++; |
| 329 | if (lineEnd - lineStart == 0) |
| 330 | return; |
| 331 | printLines(writer, new String(buf, lineStart, lineEnd - lineStart)); |
| 332 | for (bp = lineStart; bp < pos; bp++) { |
| 333 | writer.print((buf[bp] == '\t') ? "\t" : " "); |
| 334 | } |
| 335 | writer.println("^"); |
| 336 | writer.flush(); |
| 337 | } |
| 338 | |
| 339 | protected static char[] getCharContent(JavaFileObject fileObject) throws IOException { |
| 340 | CharSequence cs = fileObject.getCharContent(true); |
| 341 | if (cs instanceof CharBuffer) { |
| 342 | return JavacFileManager.toArray((CharBuffer)cs); |
| 343 | } else { |
| 344 | return cs.toString().toCharArray(); |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | /** Find the line in the buffer that contains the current position |
| 349 | * @param pos Character offset into the buffer |
| 350 | */ |
| 351 | private boolean findLine(int pos) { |
| 352 | if (pos == Position.NOPOS || currentSource() == null) |
| 353 | return false; |
| 354 | try { |
| 355 | if (buf == null) { |
| 356 | buf = getCharContent(currentSource()); |
| 357 | lineStart = 0; |
| 358 | line = 1; |
| 359 | } else if (lineStart > pos) { // messages don't come in order |
| 360 | lineStart = 0; |
| 361 | line = 1; |
| 362 | } |
| 363 | bp = lineStart; |
| 364 | while (bp < buf.length && bp < pos) { |
| 365 | switch (buf[bp++]) { |
| 366 | case CR: |
| 367 | if (bp < buf.length && buf[bp] == LF) bp++; |
| 368 | line++; |
| 369 | lineStart = bp; |
| 370 | break; |
| 371 | case LF: |
| 372 | line++; |
| 373 | lineStart = bp; |
| 374 | break; |
| 375 | } |
| 376 | } |
| 377 | return bp <= buf.length; |
| 378 | } catch (IOException e) { |
| 379 | //e.printStackTrace(); |
| 380 | // FIXME: include e.getLocalizedMessage() in error message |
| 381 | printLines(errWriter, getLocalizedString("source.unavailable")); |
| 382 | errWriter.flush(); |
| 383 | buf = new char[0]; |
| 384 | } |
| 385 | return false; |
| 386 | } |
| 387 | |
| 388 | /** Print the text of a message, translating newlines appropriately |
| 389 | * for the platform. |
| 390 | */ |
| 391 | public static void printLines(PrintWriter writer, String msg) { |
| 392 | int nl; |
| 393 | while ((nl = msg.indexOf('\n')) != -1) { |
| 394 | writer.println(msg.substring(0, nl)); |
| 395 | msg = msg.substring(nl+1); |
| 396 | } |
| 397 | if (msg.length() != 0) writer.println(msg); |
| 398 | } |
| 399 | |
| 400 | /** Report an error, unless another error was already reported at same |
| 401 | * source position. |
| 402 | * @param key The key for the localized error message. |
| 403 | * @param args Fields of the error message. |
| 404 | */ |
| 405 | public void error(String key, Object ... args) { |
| 406 | report(diags.error(source, null, key, args)); |
| 407 | } |
| 408 | |
| 409 | /** Report an error, unless another error was already reported at same |
| 410 | * source position. |
| 411 | * @param pos The source position at which to report the error. |
| 412 | * @param key The key for the localized error message. |
| 413 | * @param args Fields of the error message. |
| 414 | */ |
| 415 | public void error(DiagnosticPosition pos, String key, Object ... args) { |
| 416 | report(diags.error(source, pos, key, args)); |
| 417 | } |
| 418 | |
| 419 | /** Report an error, unless another error was already reported at same |
| 420 | * source position. |
| 421 | * @param pos The source position at which to report the error. |
| 422 | * @param key The key for the localized error message. |
| 423 | * @param args Fields of the error message. |
| 424 | */ |
| 425 | public void error(int pos, String key, Object ... args) { |
| 426 | report(diags.error(source, wrap(pos), key, args)); |
| 427 | } |
| 428 | |
| 429 | /** Report a warning, unless suppressed by the -nowarn option or the |
| 430 | * maximum number of warnings has been reached. |
| 431 | * @param pos The source position at which to report the warning. |
| 432 | * @param key The key for the localized warning message. |
| 433 | * @param args Fields of the warning message. |
| 434 | */ |
| 435 | public void warning(String key, Object ... args) { |
| 436 | report(diags.warning(source, null, key, args)); |
| 437 | } |
| 438 | |
| 439 | /** Report a warning, unless suppressed by the -nowarn option or the |
| 440 | * maximum number of warnings has been reached. |
| 441 | * @param pos The source position at which to report the warning. |
| 442 | * @param key The key for the localized warning message. |
| 443 | * @param args Fields of the warning message. |
| 444 | */ |
| 445 | public void warning(DiagnosticPosition pos, String key, Object ... args) { |
| 446 | report(diags.warning(source, pos, key, args)); |
| 447 | } |
| 448 | |
| 449 | /** Report a warning, unless suppressed by the -nowarn option or the |
| 450 | * maximum number of warnings has been reached. |
| 451 | * @param pos The source position at which to report the warning. |
| 452 | * @param key The key for the localized warning message. |
| 453 | * @param args Fields of the warning message. |
| 454 | */ |
| 455 | public void warning(int pos, String key, Object ... args) { |
| 456 | report(diags.warning(source, wrap(pos), key, args)); |
| 457 | } |
| 458 | |
| 459 | /** Report a warning. |
| 460 | * @param pos The source position at which to report the warning. |
| 461 | * @param key The key for the localized warning message. |
| 462 | * @param args Fields of the warning message. |
| 463 | */ |
| 464 | public void mandatoryWarning(DiagnosticPosition pos, String key, Object ... args) { |
| 465 | if (enforceMandatoryWarnings) |
| 466 | report(diags.mandatoryWarning(source, pos, key, args)); |
| 467 | else |
| 468 | report(diags.warning(source, pos, key, args)); |
| 469 | } |
| 470 | |
| 471 | /** Report a warning that cannot be suppressed. |
| 472 | * @param pos The source position at which to report the warning. |
| 473 | * @param key The key for the localized warning message. |
| 474 | * @param args Fields of the warning message. |
| 475 | */ |
| 476 | public void strictWarning(DiagnosticPosition pos, String key, Object ... args) { |
| 477 | writeDiagnostic(diags.warning(source, pos, key, args)); |
| 478 | nwarnings++; |
| 479 | } |
| 480 | |
| 481 | /** Provide a non-fatal notification, unless suppressed by the -nowarn option. |
| 482 | * @param key The key for the localized notification message. |
| 483 | * @param args Fields of the notification message. |
| 484 | */ |
| 485 | public void note(String key, Object ... args) { |
| 486 | report(diags.note(source, null, key, args)); |
| 487 | } |
| 488 | |
| 489 | /** Provide a non-fatal notification, unless suppressed by the -nowarn option. |
| 490 | * @param key The key for the localized notification message. |
| 491 | * @param args Fields of the notification message. |
| 492 | */ |
| 493 | public void note(DiagnosticPosition pos, String key, Object ... args) { |
| 494 | report(diags.note(source, pos, key, args)); |
| 495 | } |
| 496 | |
| 497 | /** Provide a non-fatal notification, unless suppressed by the -nowarn option. |
| 498 | * @param key The key for the localized notification message. |
| 499 | * @param args Fields of the notification message. |
| 500 | */ |
| 501 | public void note(int pos, String key, Object ... args) { |
| 502 | report(diags.note(source, wrap(pos), key, args)); |
| 503 | } |
| 504 | |
| 505 | /** Provide a non-fatal notification, unless suppressed by the -nowarn option. |
| 506 | * @param key The key for the localized notification message. |
| 507 | * @param args Fields of the notification message. |
| 508 | */ |
| 509 | public void mandatoryNote(final JavaFileObject file, String key, Object ... args) { |
| 510 | JCDiagnostic.DiagnosticSource wrapper = null; |
| 511 | if (file != null) { |
| 512 | wrapper = new JCDiagnostic.DiagnosticSource() { |
| 513 | public JavaFileObject getFile() { |
| 514 | return file; |
| 515 | } |
| 516 | public CharSequence getName() { |
| 517 | return JavacFileManager.getJavacBaseFileName(getFile()); |
| 518 | } |
| 519 | public int getLineNumber(int pos) { |
| 520 | return Log.this.getLineNumber(pos); |
| 521 | } |
| 522 | public int getColumnNumber(int pos) { |
| 523 | return Log.this.getColumnNumber(pos); |
| 524 | } |
| 525 | public Map<JCTree, Integer> getEndPosTable() { |
| 526 | return (endPosTables == null ? null : endPosTables.get(file)); |
| 527 | } |
| 528 | }; |
| 529 | } |
| 530 | if (enforceMandatoryWarnings) |
| 531 | report(diags.mandatoryNote(wrapper, key, args)); |
| 532 | else |
| 533 | report(diags.note(wrapper, null, key, args)); |
| 534 | } |
| 535 | |
| 536 | private DiagnosticPosition wrap(int pos) { |
| 537 | return (pos == Position.NOPOS ? null : new SimpleDiagnosticPosition(pos)); |
| 538 | } |
| 539 | |
| 540 | /** |
| 541 | * Common diagnostic handling. |
| 542 | * The diagnostic is counted, and depending on the options and how many diagnostics have been |
| 543 | * reported so far, the diagnostic may be handed off to writeDiagnostic. |
| 544 | */ |
| 545 | public void report(JCDiagnostic diagnostic) { |
| 546 | switch (diagnostic.getType()) { |
| 547 | case FRAGMENT: |
| 548 | throw new IllegalArgumentException(); |
| 549 | |
| 550 | case NOTE: |
| 551 | // Print out notes only when we are permitted to report warnings |
| 552 | // Notes are only generated at the end of a compilation, so should be small |
| 553 | // in number. |
| 554 | if (emitWarnings || diagnostic.isMandatory()) { |
| 555 | writeDiagnostic(diagnostic); |
| 556 | } |
| 557 | break; |
| 558 | |
| 559 | case WARNING: |
| 560 | if (emitWarnings || diagnostic.isMandatory()) { |
| 561 | if (nwarnings < MaxWarnings) { |
| 562 | writeDiagnostic(diagnostic); |
| 563 | nwarnings++; |
| 564 | } |
| 565 | } |
| 566 | break; |
| 567 | |
| 568 | case ERROR: |
| 569 | if (nerrors < MaxErrors |
| 570 | && shouldReport(diagnostic.getSource(), diagnostic.getIntPosition())) { |
| 571 | writeDiagnostic(diagnostic); |
| 572 | nerrors++; |
| 573 | } |
| 574 | break; |
| 575 | } |
| 576 | } |
| 577 | |
| 578 | /** |
| 579 | * Write out a diagnostic. |
| 580 | */ |
| 581 | protected void writeDiagnostic(JCDiagnostic diag) { |
| 582 | if (diagListener != null) { |
| 583 | try { |
| 584 | diagListener.report(diag); |
| 585 | return; |
| 586 | } |
| 587 | catch (Throwable t) { |
| 588 | throw new ClientCodeException(t); |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | PrintWriter writer = getWriterForDiagnosticType(diag.getType()); |
| 593 | |
| 594 | printLines(writer, diagFormatter.format(diag)); |
| 595 | if (showSourceLine) { |
| 596 | int pos = diag.getIntPosition(); |
| 597 | if (pos != Position.NOPOS) { |
| 598 | JavaFileObject prev = useSource(diag.getSource()); |
| 599 | printErrLine(pos, writer); |
| 600 | useSource(prev); |
| 601 | } |
| 602 | } |
| 603 | |
| 604 | if (promptOnError) { |
| 605 | switch (diag.getType()) { |
| 606 | case ERROR: |
| 607 | case WARNING: |
| 608 | prompt(); |
| 609 | } |
| 610 | } |
| 611 | |
| 612 | if (dumpOnError) |
| 613 | new RuntimeException().printStackTrace(writer); |
| 614 | |
| 615 | writer.flush(); |
| 616 | } |
| 617 | |
| 618 | @Deprecated |
| 619 | protected PrintWriter getWriterForDiagnosticType(DiagnosticType dt) { |
| 620 | switch (dt) { |
| 621 | case FRAGMENT: |
| 622 | throw new IllegalArgumentException(); |
| 623 | |
| 624 | case NOTE: |
| 625 | return noticeWriter; |
| 626 | |
| 627 | case WARNING: |
| 628 | return warnWriter; |
| 629 | |
| 630 | case ERROR: |
| 631 | return errWriter; |
| 632 | |
| 633 | default: |
| 634 | throw new Error(); |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | /** Find a localized string in the resource bundle. |
| 639 | * @param key The key for the localized string. |
| 640 | * @param args Fields to substitute into the string. |
| 641 | */ |
| 642 | public static String getLocalizedString(String key, Object ... args) { |
| 643 | return Messages.getDefaultLocalizedString("compiler.misc." + key, args); |
| 644 | } |
| 645 | |
| 646 | /*************************************************************************** |
| 647 | * raw error messages without internationalization; used for experimentation |
| 648 | * and quick prototyping |
| 649 | ***************************************************************************/ |
| 650 | |
| 651 | /** print an error or warning message: |
| 652 | */ |
| 653 | private void printRawError(int pos, String msg) { |
| 654 | if (!findLine(pos)) { |
| 655 | printLines(errWriter, "error: " + msg); |
| 656 | } else { |
| 657 | JavaFileObject file = currentSource(); |
| 658 | if (file != null) |
| 659 | printLines(errWriter, |
| 660 | JavacFileManager.getJavacFileName(file) + ":" + |
| 661 | line + ": " + msg); |
| 662 | printErrLine(pos, errWriter); |
| 663 | } |
| 664 | errWriter.flush(); |
| 665 | } |
| 666 | |
| 667 | /** report an error: |
| 668 | */ |
| 669 | public void rawError(int pos, String msg) { |
| 670 | if (nerrors < MaxErrors && shouldReport(currentSource(), pos)) { |
| 671 | printRawError(pos, msg); |
| 672 | prompt(); |
| 673 | nerrors++; |
| 674 | } |
| 675 | errWriter.flush(); |
| 676 | } |
| 677 | |
| 678 | /** report a warning: |
| 679 | */ |
| 680 | public void rawWarning(int pos, String msg) { |
| 681 | if (nwarnings < MaxWarnings && emitWarnings) { |
| 682 | printRawError(pos, "warning: " + msg); |
| 683 | } |
| 684 | prompt(); |
| 685 | nwarnings++; |
| 686 | errWriter.flush(); |
| 687 | } |
| 688 | |
| 689 | /** Return the one-based line number associated with a given pos |
| 690 | * for the current source file. Zero is returned if no line exists |
| 691 | * for the given position. |
| 692 | */ |
| 693 | protected int getLineNumber(int pos) { |
| 694 | if (findLine(pos)) |
| 695 | return line; |
| 696 | return 0; |
| 697 | } |
| 698 | |
| 699 | /** Return the one-based column number associated with a given pos |
| 700 | * for the current source file. Zero is returned if no column exists |
| 701 | * for the given position. |
| 702 | */ |
| 703 | protected int getColumnNumber(int pos) { |
| 704 | if (findLine(pos)) { |
| 705 | int column = 0; |
| 706 | for (bp = lineStart; bp < pos; bp++) { |
| 707 | if (bp >= buf.length) |
| 708 | return 0; |
| 709 | if (buf[bp] == '\t') |
| 710 | column = (column / TabInc * TabInc) + TabInc; |
| 711 | else |
| 712 | column++; |
| 713 | } |
| 714 | return column + 1; // positions are one-based |
| 715 | } |
| 716 | return 0; |
| 717 | } |
| 718 | |
| 719 | public static String format(String fmt, Object... args) { |
| 720 | return String.format((java.util.Locale)null, fmt, args); |
| 721 | } |
| 722 | |
| 723 | } |