1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/classes/com/sun/tools/javac/util/Log.java Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,723 @@
1.4 +/*
1.5 + * Copyright 1999-2006 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Sun designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Sun in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.25 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.26 + * have any questions.
1.27 + */
1.28 +
1.29 +package com.sun.tools.javac.util;
1.30 +
1.31 +import java.io.*;
1.32 +import java.nio.CharBuffer;
1.33 +import java.util.HashMap;
1.34 +import java.util.HashSet;
1.35 +import java.util.Map;
1.36 +import java.util.Set;
1.37 +import javax.tools.DiagnosticListener;
1.38 +import javax.tools.JavaFileObject;
1.39 +import com.sun.tools.javac.code.Source;
1.40 +import com.sun.tools.javac.tree.JCTree;
1.41 +import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition;
1.42 +import com.sun.tools.javac.util.JCDiagnostic.DiagnosticType;
1.43 +import com.sun.tools.javac.util.JCDiagnostic.SimpleDiagnosticPosition;
1.44 +import static com.sun.tools.javac.util.LayoutCharacters.*;
1.45 +
1.46 +/** A class for error logs. Reports errors and warnings, and
1.47 + * keeps track of error numbers and positions.
1.48 + *
1.49 + * <p><b>This is NOT part of any API supported by Sun Microsystems. If
1.50 + * you write code that depends on this, you do so at your own risk.
1.51 + * This code and its internal interfaces are subject to change or
1.52 + * deletion without notice.</b>
1.53 + */
1.54 +public class Log {
1.55 + /** The context key for the log. */
1.56 + public static final Context.Key<Log> logKey
1.57 + = new Context.Key<Log>();
1.58 +
1.59 + /** The context key for the output PrintWriter. */
1.60 + public static final Context.Key<PrintWriter> outKey =
1.61 + new Context.Key<PrintWriter>();
1.62 +
1.63 + //@Deprecated
1.64 + public final PrintWriter errWriter;
1.65 +
1.66 + //@Deprecated
1.67 + public final PrintWriter warnWriter;
1.68 +
1.69 + //@Deprecated
1.70 + public final PrintWriter noticeWriter;
1.71 +
1.72 + /** The maximum number of errors/warnings that are reported.
1.73 + */
1.74 + public final int MaxErrors;
1.75 + public final int MaxWarnings;
1.76 +
1.77 + /** Whether or not to display the line of source containing a diagnostic.
1.78 + */
1.79 + private final boolean showSourceLine;
1.80 +
1.81 + /** Switch: prompt user on each error.
1.82 + */
1.83 + public boolean promptOnError;
1.84 +
1.85 + /** Switch: emit warning messages.
1.86 + */
1.87 + public boolean emitWarnings;
1.88 +
1.89 + /** Enforce mandatory warnings.
1.90 + */
1.91 + private boolean enforceMandatoryWarnings;
1.92 +
1.93 + /** Print stack trace on errors?
1.94 + */
1.95 + public boolean dumpOnError;
1.96 +
1.97 + /** Print multiple errors for same source locations.
1.98 + */
1.99 + public boolean multipleErrors;
1.100 +
1.101 + /**
1.102 + * Diagnostic listener, if provided through programmatic
1.103 + * interface to javac (JSR 199).
1.104 + */
1.105 + protected DiagnosticListener<? super JavaFileObject> diagListener;
1.106 + /**
1.107 + * Formatter for diagnostics
1.108 + */
1.109 + private DiagnosticFormatter diagFormatter;
1.110 +
1.111 + /**
1.112 + * Factory for diagnostics
1.113 + */
1.114 + private JCDiagnostic.Factory diags;
1.115 +
1.116 +
1.117 + /** Construct a log with given I/O redirections.
1.118 + */
1.119 + @Deprecated
1.120 + protected Log(Context context, PrintWriter errWriter, PrintWriter warnWriter, PrintWriter noticeWriter) {
1.121 + context.put(logKey, this);
1.122 + this.errWriter = errWriter;
1.123 + this.warnWriter = warnWriter;
1.124 + this.noticeWriter = noticeWriter;
1.125 +
1.126 + this.diags = JCDiagnostic.Factory.instance(context);
1.127 +
1.128 + Options options = Options.instance(context);
1.129 + this.dumpOnError = options.get("-doe") != null;
1.130 + this.promptOnError = options.get("-prompt") != null;
1.131 + this.emitWarnings = options.get("-Xlint:none") == null;
1.132 + this.MaxErrors = getIntOption(options, "-Xmaxerrs", 100);
1.133 + this.MaxWarnings = getIntOption(options, "-Xmaxwarns", 100);
1.134 + this.showSourceLine = options.get("rawDiagnostics") == null;
1.135 +
1.136 + this.diagFormatter = DiagnosticFormatter.instance(context);
1.137 + @SuppressWarnings("unchecked") // FIXME
1.138 + DiagnosticListener<? super JavaFileObject> diagListener =
1.139 + context.get(DiagnosticListener.class);
1.140 + this.diagListener = diagListener;
1.141 +
1.142 + Source source = Source.instance(context);
1.143 + this.enforceMandatoryWarnings = source.enforceMandatoryWarnings();
1.144 + }
1.145 + // where
1.146 + private int getIntOption(Options options, String optionName, int defaultValue) {
1.147 + String s = options.get(optionName);
1.148 + try {
1.149 + if (s != null) return Integer.parseInt(s);
1.150 + } catch (NumberFormatException e) {
1.151 + // silently ignore ill-formed numbers
1.152 + }
1.153 + return defaultValue;
1.154 + }
1.155 +
1.156 + /** The default writer for diagnostics
1.157 + */
1.158 + static final PrintWriter defaultWriter(Context context) {
1.159 + PrintWriter result = context.get(outKey);
1.160 + if (result == null)
1.161 + context.put(outKey, result = new PrintWriter(System.err));
1.162 + return result;
1.163 + }
1.164 +
1.165 + /** Construct a log with default settings.
1.166 + */
1.167 + protected Log(Context context) {
1.168 + this(context, defaultWriter(context));
1.169 + }
1.170 +
1.171 + /** Construct a log with all output redirected.
1.172 + */
1.173 + protected Log(Context context, PrintWriter defaultWriter) {
1.174 + this(context, defaultWriter, defaultWriter, defaultWriter);
1.175 + }
1.176 +
1.177 + /** Get the Log instance for this context. */
1.178 + public static Log instance(Context context) {
1.179 + Log instance = context.get(logKey);
1.180 + if (instance == null)
1.181 + instance = new Log(context);
1.182 + return instance;
1.183 + }
1.184 +
1.185 + /** The file that's currently translated.
1.186 + */
1.187 + protected JCDiagnostic.DiagnosticSource source;
1.188 +
1.189 + /** The number of errors encountered so far.
1.190 + */
1.191 + public int nerrors = 0;
1.192 +
1.193 + /** The number of warnings encountered so far.
1.194 + */
1.195 + public int nwarnings = 0;
1.196 +
1.197 + /** A set of all errors generated so far. This is used to avoid printing an
1.198 + * error message more than once. For each error, a pair consisting of the
1.199 + * source file name and source code position of the error is added to the set.
1.200 + */
1.201 + private Set<Pair<JavaFileObject, Integer>> recorded = new HashSet<Pair<JavaFileObject,Integer>>();
1.202 +
1.203 + private Map<JavaFileObject, Map<JCTree, Integer>> endPosTables;
1.204 +
1.205 + /** The buffer containing the file that's currently translated.
1.206 + */
1.207 + private char[] buf = null;
1.208 +
1.209 + /** The position in the buffer at which last error was reported
1.210 + */
1.211 + private int bp;
1.212 +
1.213 + /** number of the current source line; first line is 1
1.214 + */
1.215 + private int line;
1.216 +
1.217 + /** buffer index of the first character of the current source line
1.218 + */
1.219 + private int lineStart;
1.220 +
1.221 + public boolean hasDiagnosticListener() {
1.222 + return diagListener != null;
1.223 + }
1.224 +
1.225 + public void setEndPosTable(JavaFileObject name, Map<JCTree, Integer> table) {
1.226 + if (endPosTables == null)
1.227 + endPosTables = new HashMap<JavaFileObject, Map<JCTree, Integer>>();
1.228 + endPosTables.put(name, table);
1.229 + }
1.230 +
1.231 + /** Re-assign source, returning previous setting.
1.232 + */
1.233 + public JavaFileObject useSource(final JavaFileObject name) {
1.234 + JavaFileObject prev = currentSource();
1.235 + if (name != prev) {
1.236 + source = new JCDiagnostic.DiagnosticSource() {
1.237 + public JavaFileObject getFile() {
1.238 + return name;
1.239 + }
1.240 + public CharSequence getName() {
1.241 + return JavacFileManager.getJavacBaseFileName(getFile());
1.242 + }
1.243 + public int getLineNumber(int pos) {
1.244 + return Log.this.getLineNumber(pos);
1.245 + }
1.246 + public int getColumnNumber(int pos) {
1.247 + return Log.this.getColumnNumber(pos);
1.248 + }
1.249 + public Map<JCTree, Integer> getEndPosTable() {
1.250 + return (endPosTables == null ? null : endPosTables.get(name));
1.251 + }
1.252 + };
1.253 + buf = null;
1.254 + }
1.255 + return prev;
1.256 + }
1.257 +
1.258 + /** Re-assign source buffer for existing source name.
1.259 + */
1.260 + protected void setBuf(char[] newBuf) {
1.261 + buf = newBuf;
1.262 + bp = 0;
1.263 + lineStart = 0;
1.264 + line = 1;
1.265 + }
1.266 +
1.267 + protected char[] getBuf() {
1.268 + return buf;
1.269 + }
1.270 +
1.271 + /** Return current source name.
1.272 + */
1.273 + public JavaFileObject currentSource() {
1.274 + return source == null ? null : source.getFile();
1.275 + }
1.276 +
1.277 + /** Flush the logs
1.278 + */
1.279 + public void flush() {
1.280 + errWriter.flush();
1.281 + warnWriter.flush();
1.282 + noticeWriter.flush();
1.283 + }
1.284 +
1.285 + /** Returns true if an error needs to be reported for a given
1.286 + * source name and pos.
1.287 + */
1.288 + protected boolean shouldReport(JavaFileObject file, int pos) {
1.289 + if (multipleErrors || file == null)
1.290 + return true;
1.291 +
1.292 + Pair<JavaFileObject,Integer> coords = new Pair<JavaFileObject,Integer>(file, pos);
1.293 + boolean shouldReport = !recorded.contains(coords);
1.294 + if (shouldReport)
1.295 + recorded.add(coords);
1.296 + return shouldReport;
1.297 + }
1.298 +
1.299 + /** Prompt user after an error.
1.300 + */
1.301 + public void prompt() {
1.302 + if (promptOnError) {
1.303 + System.err.println(getLocalizedString("resume.abort"));
1.304 + char ch;
1.305 + try {
1.306 + while (true) {
1.307 + switch (System.in.read()) {
1.308 + case 'a': case 'A':
1.309 + System.exit(-1);
1.310 + return;
1.311 + case 'r': case 'R':
1.312 + return;
1.313 + case 'x': case 'X':
1.314 + throw new AssertionError("user abort");
1.315 + default:
1.316 + }
1.317 + }
1.318 + } catch (IOException e) {}
1.319 + }
1.320 + }
1.321 +
1.322 + /** Print the faulty source code line and point to the error.
1.323 + * @param pos Buffer index of the error position, must be on current line
1.324 + */
1.325 + private void printErrLine(int pos, PrintWriter writer) {
1.326 + if (!findLine(pos))
1.327 + return;
1.328 +
1.329 + int lineEnd = lineStart;
1.330 + while (lineEnd < buf.length && buf[lineEnd] != CR && buf[lineEnd] != LF)
1.331 + lineEnd++;
1.332 + if (lineEnd - lineStart == 0)
1.333 + return;
1.334 + printLines(writer, new String(buf, lineStart, lineEnd - lineStart));
1.335 + for (bp = lineStart; bp < pos; bp++) {
1.336 + writer.print((buf[bp] == '\t') ? "\t" : " ");
1.337 + }
1.338 + writer.println("^");
1.339 + writer.flush();
1.340 + }
1.341 +
1.342 + protected static char[] getCharContent(JavaFileObject fileObject) throws IOException {
1.343 + CharSequence cs = fileObject.getCharContent(true);
1.344 + if (cs instanceof CharBuffer) {
1.345 + return JavacFileManager.toArray((CharBuffer)cs);
1.346 + } else {
1.347 + return cs.toString().toCharArray();
1.348 + }
1.349 + }
1.350 +
1.351 + /** Find the line in the buffer that contains the current position
1.352 + * @param pos Character offset into the buffer
1.353 + */
1.354 + private boolean findLine(int pos) {
1.355 + if (pos == Position.NOPOS || currentSource() == null)
1.356 + return false;
1.357 + try {
1.358 + if (buf == null) {
1.359 + buf = getCharContent(currentSource());
1.360 + lineStart = 0;
1.361 + line = 1;
1.362 + } else if (lineStart > pos) { // messages don't come in order
1.363 + lineStart = 0;
1.364 + line = 1;
1.365 + }
1.366 + bp = lineStart;
1.367 + while (bp < buf.length && bp < pos) {
1.368 + switch (buf[bp++]) {
1.369 + case CR:
1.370 + if (bp < buf.length && buf[bp] == LF) bp++;
1.371 + line++;
1.372 + lineStart = bp;
1.373 + break;
1.374 + case LF:
1.375 + line++;
1.376 + lineStart = bp;
1.377 + break;
1.378 + }
1.379 + }
1.380 + return bp <= buf.length;
1.381 + } catch (IOException e) {
1.382 + //e.printStackTrace();
1.383 + // FIXME: include e.getLocalizedMessage() in error message
1.384 + printLines(errWriter, getLocalizedString("source.unavailable"));
1.385 + errWriter.flush();
1.386 + buf = new char[0];
1.387 + }
1.388 + return false;
1.389 + }
1.390 +
1.391 + /** Print the text of a message, translating newlines appropriately
1.392 + * for the platform.
1.393 + */
1.394 + public static void printLines(PrintWriter writer, String msg) {
1.395 + int nl;
1.396 + while ((nl = msg.indexOf('\n')) != -1) {
1.397 + writer.println(msg.substring(0, nl));
1.398 + msg = msg.substring(nl+1);
1.399 + }
1.400 + if (msg.length() != 0) writer.println(msg);
1.401 + }
1.402 +
1.403 + /** Report an error, unless another error was already reported at same
1.404 + * source position.
1.405 + * @param key The key for the localized error message.
1.406 + * @param args Fields of the error message.
1.407 + */
1.408 + public void error(String key, Object ... args) {
1.409 + report(diags.error(source, null, key, args));
1.410 + }
1.411 +
1.412 + /** Report an error, unless another error was already reported at same
1.413 + * source position.
1.414 + * @param pos The source position at which to report the error.
1.415 + * @param key The key for the localized error message.
1.416 + * @param args Fields of the error message.
1.417 + */
1.418 + public void error(DiagnosticPosition pos, String key, Object ... args) {
1.419 + report(diags.error(source, pos, key, args));
1.420 + }
1.421 +
1.422 + /** Report an error, unless another error was already reported at same
1.423 + * source position.
1.424 + * @param pos The source position at which to report the error.
1.425 + * @param key The key for the localized error message.
1.426 + * @param args Fields of the error message.
1.427 + */
1.428 + public void error(int pos, String key, Object ... args) {
1.429 + report(diags.error(source, wrap(pos), key, args));
1.430 + }
1.431 +
1.432 + /** Report a warning, unless suppressed by the -nowarn option or the
1.433 + * maximum number of warnings has been reached.
1.434 + * @param pos The source position at which to report the warning.
1.435 + * @param key The key for the localized warning message.
1.436 + * @param args Fields of the warning message.
1.437 + */
1.438 + public void warning(String key, Object ... args) {
1.439 + report(diags.warning(source, null, key, args));
1.440 + }
1.441 +
1.442 + /** Report a warning, unless suppressed by the -nowarn option or the
1.443 + * maximum number of warnings has been reached.
1.444 + * @param pos The source position at which to report the warning.
1.445 + * @param key The key for the localized warning message.
1.446 + * @param args Fields of the warning message.
1.447 + */
1.448 + public void warning(DiagnosticPosition pos, String key, Object ... args) {
1.449 + report(diags.warning(source, pos, key, args));
1.450 + }
1.451 +
1.452 + /** Report a warning, unless suppressed by the -nowarn option or the
1.453 + * maximum number of warnings has been reached.
1.454 + * @param pos The source position at which to report the warning.
1.455 + * @param key The key for the localized warning message.
1.456 + * @param args Fields of the warning message.
1.457 + */
1.458 + public void warning(int pos, String key, Object ... args) {
1.459 + report(diags.warning(source, wrap(pos), key, args));
1.460 + }
1.461 +
1.462 + /** Report a warning.
1.463 + * @param pos The source position at which to report the warning.
1.464 + * @param key The key for the localized warning message.
1.465 + * @param args Fields of the warning message.
1.466 + */
1.467 + public void mandatoryWarning(DiagnosticPosition pos, String key, Object ... args) {
1.468 + if (enforceMandatoryWarnings)
1.469 + report(diags.mandatoryWarning(source, pos, key, args));
1.470 + else
1.471 + report(diags.warning(source, pos, key, args));
1.472 + }
1.473 +
1.474 + /** Report a warning that cannot be suppressed.
1.475 + * @param pos The source position at which to report the warning.
1.476 + * @param key The key for the localized warning message.
1.477 + * @param args Fields of the warning message.
1.478 + */
1.479 + public void strictWarning(DiagnosticPosition pos, String key, Object ... args) {
1.480 + writeDiagnostic(diags.warning(source, pos, key, args));
1.481 + nwarnings++;
1.482 + }
1.483 +
1.484 + /** Provide a non-fatal notification, unless suppressed by the -nowarn option.
1.485 + * @param key The key for the localized notification message.
1.486 + * @param args Fields of the notification message.
1.487 + */
1.488 + public void note(String key, Object ... args) {
1.489 + report(diags.note(source, null, key, args));
1.490 + }
1.491 +
1.492 + /** Provide a non-fatal notification, unless suppressed by the -nowarn option.
1.493 + * @param key The key for the localized notification message.
1.494 + * @param args Fields of the notification message.
1.495 + */
1.496 + public void note(DiagnosticPosition pos, String key, Object ... args) {
1.497 + report(diags.note(source, pos, key, args));
1.498 + }
1.499 +
1.500 + /** Provide a non-fatal notification, unless suppressed by the -nowarn option.
1.501 + * @param key The key for the localized notification message.
1.502 + * @param args Fields of the notification message.
1.503 + */
1.504 + public void note(int pos, String key, Object ... args) {
1.505 + report(diags.note(source, wrap(pos), key, args));
1.506 + }
1.507 +
1.508 + /** Provide a non-fatal notification, unless suppressed by the -nowarn option.
1.509 + * @param key The key for the localized notification message.
1.510 + * @param args Fields of the notification message.
1.511 + */
1.512 + public void mandatoryNote(final JavaFileObject file, String key, Object ... args) {
1.513 + JCDiagnostic.DiagnosticSource wrapper = null;
1.514 + if (file != null) {
1.515 + wrapper = new JCDiagnostic.DiagnosticSource() {
1.516 + public JavaFileObject getFile() {
1.517 + return file;
1.518 + }
1.519 + public CharSequence getName() {
1.520 + return JavacFileManager.getJavacBaseFileName(getFile());
1.521 + }
1.522 + public int getLineNumber(int pos) {
1.523 + return Log.this.getLineNumber(pos);
1.524 + }
1.525 + public int getColumnNumber(int pos) {
1.526 + return Log.this.getColumnNumber(pos);
1.527 + }
1.528 + public Map<JCTree, Integer> getEndPosTable() {
1.529 + return (endPosTables == null ? null : endPosTables.get(file));
1.530 + }
1.531 + };
1.532 + }
1.533 + if (enforceMandatoryWarnings)
1.534 + report(diags.mandatoryNote(wrapper, key, args));
1.535 + else
1.536 + report(diags.note(wrapper, null, key, args));
1.537 + }
1.538 +
1.539 + private DiagnosticPosition wrap(int pos) {
1.540 + return (pos == Position.NOPOS ? null : new SimpleDiagnosticPosition(pos));
1.541 + }
1.542 +
1.543 + /**
1.544 + * Common diagnostic handling.
1.545 + * The diagnostic is counted, and depending on the options and how many diagnostics have been
1.546 + * reported so far, the diagnostic may be handed off to writeDiagnostic.
1.547 + */
1.548 + public void report(JCDiagnostic diagnostic) {
1.549 + switch (diagnostic.getType()) {
1.550 + case FRAGMENT:
1.551 + throw new IllegalArgumentException();
1.552 +
1.553 + case NOTE:
1.554 + // Print out notes only when we are permitted to report warnings
1.555 + // Notes are only generated at the end of a compilation, so should be small
1.556 + // in number.
1.557 + if (emitWarnings || diagnostic.isMandatory()) {
1.558 + writeDiagnostic(diagnostic);
1.559 + }
1.560 + break;
1.561 +
1.562 + case WARNING:
1.563 + if (emitWarnings || diagnostic.isMandatory()) {
1.564 + if (nwarnings < MaxWarnings) {
1.565 + writeDiagnostic(diagnostic);
1.566 + nwarnings++;
1.567 + }
1.568 + }
1.569 + break;
1.570 +
1.571 + case ERROR:
1.572 + if (nerrors < MaxErrors
1.573 + && shouldReport(diagnostic.getSource(), diagnostic.getIntPosition())) {
1.574 + writeDiagnostic(diagnostic);
1.575 + nerrors++;
1.576 + }
1.577 + break;
1.578 + }
1.579 + }
1.580 +
1.581 + /**
1.582 + * Write out a diagnostic.
1.583 + */
1.584 + protected void writeDiagnostic(JCDiagnostic diag) {
1.585 + if (diagListener != null) {
1.586 + try {
1.587 + diagListener.report(diag);
1.588 + return;
1.589 + }
1.590 + catch (Throwable t) {
1.591 + throw new ClientCodeException(t);
1.592 + }
1.593 + }
1.594 +
1.595 + PrintWriter writer = getWriterForDiagnosticType(diag.getType());
1.596 +
1.597 + printLines(writer, diagFormatter.format(diag));
1.598 + if (showSourceLine) {
1.599 + int pos = diag.getIntPosition();
1.600 + if (pos != Position.NOPOS) {
1.601 + JavaFileObject prev = useSource(diag.getSource());
1.602 + printErrLine(pos, writer);
1.603 + useSource(prev);
1.604 + }
1.605 + }
1.606 +
1.607 + if (promptOnError) {
1.608 + switch (diag.getType()) {
1.609 + case ERROR:
1.610 + case WARNING:
1.611 + prompt();
1.612 + }
1.613 + }
1.614 +
1.615 + if (dumpOnError)
1.616 + new RuntimeException().printStackTrace(writer);
1.617 +
1.618 + writer.flush();
1.619 + }
1.620 +
1.621 + @Deprecated
1.622 + protected PrintWriter getWriterForDiagnosticType(DiagnosticType dt) {
1.623 + switch (dt) {
1.624 + case FRAGMENT:
1.625 + throw new IllegalArgumentException();
1.626 +
1.627 + case NOTE:
1.628 + return noticeWriter;
1.629 +
1.630 + case WARNING:
1.631 + return warnWriter;
1.632 +
1.633 + case ERROR:
1.634 + return errWriter;
1.635 +
1.636 + default:
1.637 + throw new Error();
1.638 + }
1.639 + }
1.640 +
1.641 + /** Find a localized string in the resource bundle.
1.642 + * @param key The key for the localized string.
1.643 + * @param args Fields to substitute into the string.
1.644 + */
1.645 + public static String getLocalizedString(String key, Object ... args) {
1.646 + return Messages.getDefaultLocalizedString("compiler.misc." + key, args);
1.647 + }
1.648 +
1.649 +/***************************************************************************
1.650 + * raw error messages without internationalization; used for experimentation
1.651 + * and quick prototyping
1.652 + ***************************************************************************/
1.653 +
1.654 +/** print an error or warning message:
1.655 + */
1.656 + private void printRawError(int pos, String msg) {
1.657 + if (!findLine(pos)) {
1.658 + printLines(errWriter, "error: " + msg);
1.659 + } else {
1.660 + JavaFileObject file = currentSource();
1.661 + if (file != null)
1.662 + printLines(errWriter,
1.663 + JavacFileManager.getJavacFileName(file) + ":" +
1.664 + line + ": " + msg);
1.665 + printErrLine(pos, errWriter);
1.666 + }
1.667 + errWriter.flush();
1.668 + }
1.669 +
1.670 +/** report an error:
1.671 + */
1.672 + public void rawError(int pos, String msg) {
1.673 + if (nerrors < MaxErrors && shouldReport(currentSource(), pos)) {
1.674 + printRawError(pos, msg);
1.675 + prompt();
1.676 + nerrors++;
1.677 + }
1.678 + errWriter.flush();
1.679 + }
1.680 +
1.681 +/** report a warning:
1.682 + */
1.683 + public void rawWarning(int pos, String msg) {
1.684 + if (nwarnings < MaxWarnings && emitWarnings) {
1.685 + printRawError(pos, "warning: " + msg);
1.686 + }
1.687 + prompt();
1.688 + nwarnings++;
1.689 + errWriter.flush();
1.690 + }
1.691 +
1.692 + /** Return the one-based line number associated with a given pos
1.693 + * for the current source file. Zero is returned if no line exists
1.694 + * for the given position.
1.695 + */
1.696 + protected int getLineNumber(int pos) {
1.697 + if (findLine(pos))
1.698 + return line;
1.699 + return 0;
1.700 + }
1.701 +
1.702 + /** Return the one-based column number associated with a given pos
1.703 + * for the current source file. Zero is returned if no column exists
1.704 + * for the given position.
1.705 + */
1.706 + protected int getColumnNumber(int pos) {
1.707 + if (findLine(pos)) {
1.708 + int column = 0;
1.709 + for (bp = lineStart; bp < pos; bp++) {
1.710 + if (bp >= buf.length)
1.711 + return 0;
1.712 + if (buf[bp] == '\t')
1.713 + column = (column / TabInc * TabInc) + TabInc;
1.714 + else
1.715 + column++;
1.716 + }
1.717 + return column + 1; // positions are one-based
1.718 + }
1.719 + return 0;
1.720 + }
1.721 +
1.722 + public static String format(String fmt, Object... args) {
1.723 + return String.format((java.util.Locale)null, fmt, args);
1.724 + }
1.725 +
1.726 +}
