author | jjg |
Thu, 06 Mar 2008 10:25:04 -0800 | |
changeset 167 | f4b81c733bea |
parent 10 | 06bc494ca11e |
child 731 | 1dd22bdb9ca5 |
permissions | -rw-r--r-- |
10 | 1 |
/* |
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* Copyright 1999-2006 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Sun designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Sun in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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*/ |
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package com.sun.tools.javac.util; |
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import java.io.*; |
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import java.nio.CharBuffer; |
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import java.util.HashMap; |
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import java.util.HashSet; |
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import java.util.Map; |
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import java.util.Set; |
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import javax.tools.DiagnosticListener; |
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import javax.tools.JavaFileObject; |
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import com.sun.tools.javac.code.Source; |
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import com.sun.tools.javac.tree.JCTree; |
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import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition; |
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import com.sun.tools.javac.util.JCDiagnostic.DiagnosticType; |
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import com.sun.tools.javac.util.JCDiagnostic.SimpleDiagnosticPosition; |
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import static com.sun.tools.javac.util.LayoutCharacters.*; |
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/** A class for error logs. Reports errors and warnings, and |
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* keeps track of error numbers and positions. |
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* |
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* <p><b>This is NOT part of any API supported by Sun Microsystems. If |
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* you write code that depends on this, you do so at your own risk. |
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* This code and its internal interfaces are subject to change or |
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* deletion without notice.</b> |
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*/ |
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public class Log { |
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/** The context key for the log. */ |
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public static final Context.Key<Log> logKey |
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= new Context.Key<Log>(); |
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/** The context key for the output PrintWriter. */ |
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public static final Context.Key<PrintWriter> outKey = |
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new Context.Key<PrintWriter>(); |
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//@Deprecated |
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public final PrintWriter errWriter; |
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//@Deprecated |
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public final PrintWriter warnWriter; |
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//@Deprecated |
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public final PrintWriter noticeWriter; |
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||
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/** The maximum number of errors/warnings that are reported. |
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*/ |
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public final int MaxErrors; |
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public final int MaxWarnings; |
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/** Whether or not to display the line of source containing a diagnostic. |
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*/ |
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private final boolean showSourceLine; |
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/** Switch: prompt user on each error. |
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*/ |
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public boolean promptOnError; |
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/** Switch: emit warning messages. |
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*/ |
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public boolean emitWarnings; |
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/** Enforce mandatory warnings. |
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*/ |
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private boolean enforceMandatoryWarnings; |
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/** Print stack trace on errors? |
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*/ |
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public boolean dumpOnError; |
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/** Print multiple errors for same source locations. |
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*/ |
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public boolean multipleErrors; |
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/** |
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* Diagnostic listener, if provided through programmatic |
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* interface to javac (JSR 199). |
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*/ |
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protected DiagnosticListener<? super JavaFileObject> diagListener; |
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/** |
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* Formatter for diagnostics |
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*/ |
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private DiagnosticFormatter diagFormatter; |
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/** |
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* Factory for diagnostics |
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*/ |
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private JCDiagnostic.Factory diags; |
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/** Construct a log with given I/O redirections. |
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*/ |
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@Deprecated |
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protected Log(Context context, PrintWriter errWriter, PrintWriter warnWriter, PrintWriter noticeWriter) { |
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context.put(logKey, this); |
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this.errWriter = errWriter; |
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this.warnWriter = warnWriter; |
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this.noticeWriter = noticeWriter; |
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this.diags = JCDiagnostic.Factory.instance(context); |
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Options options = Options.instance(context); |
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this.dumpOnError = options.get("-doe") != null; |
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this.promptOnError = options.get("-prompt") != null; |
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this.emitWarnings = options.get("-Xlint:none") == null; |
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this.MaxErrors = getIntOption(options, "-Xmaxerrs", 100); |
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this.MaxWarnings = getIntOption(options, "-Xmaxwarns", 100); |
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this.showSourceLine = options.get("rawDiagnostics") == null; |
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this.diagFormatter = DiagnosticFormatter.instance(context); |
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@SuppressWarnings("unchecked") // FIXME |
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DiagnosticListener<? super JavaFileObject> diagListener = |
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context.get(DiagnosticListener.class); |
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this.diagListener = diagListener; |
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Source source = Source.instance(context); |
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this.enforceMandatoryWarnings = source.enforceMandatoryWarnings(); |
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} |
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// where |
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private int getIntOption(Options options, String optionName, int defaultValue) { |
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String s = options.get(optionName); |
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try { |
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if (s != null) return Integer.parseInt(s); |
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} catch (NumberFormatException e) { |
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// silently ignore ill-formed numbers |
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} |
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return defaultValue; |
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} |
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/** The default writer for diagnostics |
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*/ |
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static final PrintWriter defaultWriter(Context context) { |
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PrintWriter result = context.get(outKey); |
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if (result == null) |
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context.put(outKey, result = new PrintWriter(System.err)); |
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return result; |
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} |
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/** Construct a log with default settings. |
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*/ |
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protected Log(Context context) { |
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this(context, defaultWriter(context)); |
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} |
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/** Construct a log with all output redirected. |
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*/ |
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protected Log(Context context, PrintWriter defaultWriter) { |
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this(context, defaultWriter, defaultWriter, defaultWriter); |
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} |
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/** Get the Log instance for this context. */ |
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public static Log instance(Context context) { |
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Log instance = context.get(logKey); |
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if (instance == null) |
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instance = new Log(context); |
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return instance; |
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} |
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/** The file that's currently translated. |
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*/ |
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protected JCDiagnostic.DiagnosticSource source; |
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/** The number of errors encountered so far. |
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*/ |
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public int nerrors = 0; |
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/** The number of warnings encountered so far. |
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*/ |
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public int nwarnings = 0; |
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/** A set of all errors generated so far. This is used to avoid printing an |
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* error message more than once. For each error, a pair consisting of the |
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* source file name and source code position of the error is added to the set. |
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*/ |
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private Set<Pair<JavaFileObject, Integer>> recorded = new HashSet<Pair<JavaFileObject,Integer>>(); |
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private Map<JavaFileObject, Map<JCTree, Integer>> endPosTables; |
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/** The buffer containing the file that's currently translated. |
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*/ |
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private char[] buf = null; |
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/** The length of useful data in buf |
f4b81c733bea
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*/ |
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private int bufLen = 0; |
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/** The position in the buffer at which last error was reported |
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*/ |
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private int bp; |
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/** number of the current source line; first line is 1 |
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*/ |
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private int line; |
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/** buffer index of the first character of the current source line |
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*/ |
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private int lineStart; |
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public boolean hasDiagnosticListener() { |
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return diagListener != null; |
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} |
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public void setEndPosTable(JavaFileObject name, Map<JCTree, Integer> table) { |
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if (endPosTables == null) |
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endPosTables = new HashMap<JavaFileObject, Map<JCTree, Integer>>(); |
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endPosTables.put(name, table); |
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} |
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/** Re-assign source, returning previous setting. |
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*/ |
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public JavaFileObject useSource(final JavaFileObject name) { |
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JavaFileObject prev = currentSource(); |
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if (name != prev) { |
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source = new JCDiagnostic.DiagnosticSource() { |
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public JavaFileObject getFile() { |
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return name; |
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} |
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public CharSequence getName() { |
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return JavacFileManager.getJavacBaseFileName(getFile()); |
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} |
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public int getLineNumber(int pos) { |
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return Log.this.getLineNumber(pos); |
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} |
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public int getColumnNumber(int pos) { |
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return Log.this.getColumnNumber(pos); |
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} |
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public Map<JCTree, Integer> getEndPosTable() { |
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return (endPosTables == null ? null : endPosTables.get(name)); |
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} |
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}; |
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buf = null; |
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} |
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return prev; |
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} |
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/** Re-assign source buffer for existing source name. |
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*/ |
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protected void setBuf(char[] newBuf) { |
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buf = newBuf; |
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bufLen = buf.length; |
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bp = 0; |
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lineStart = 0; |
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line = 1; |
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} |
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protected char[] getBuf() { |
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return buf; |
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} |
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/** Return current source name. |
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*/ |
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public JavaFileObject currentSource() { |
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return source == null ? null : source.getFile(); |
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} |
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/** Flush the logs |
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*/ |
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public void flush() { |
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errWriter.flush(); |
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warnWriter.flush(); |
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noticeWriter.flush(); |
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} |
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/** Returns true if an error needs to be reported for a given |
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* source name and pos. |
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*/ |
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protected boolean shouldReport(JavaFileObject file, int pos) { |
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if (multipleErrors || file == null) |
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return true; |
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Pair<JavaFileObject,Integer> coords = new Pair<JavaFileObject,Integer>(file, pos); |
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boolean shouldReport = !recorded.contains(coords); |
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if (shouldReport) |
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recorded.add(coords); |
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return shouldReport; |
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} |
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/** Prompt user after an error. |
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*/ |
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public void prompt() { |
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if (promptOnError) { |
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System.err.println(getLocalizedString("resume.abort")); |
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char ch; |
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try { |
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while (true) { |
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switch (System.in.read()) { |
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case 'a': case 'A': |
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System.exit(-1); |
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312 |
return; |
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case 'r': case 'R': |
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return; |
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315 |
case 'x': case 'X': |
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throw new AssertionError("user abort"); |
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317 |
default: |
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318 |
} |
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} |
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320 |
} catch (IOException e) {} |
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321 |
} |
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322 |
} |
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323 |
||
324 |
/** Print the faulty source code line and point to the error. |
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325 |
* @param pos Buffer index of the error position, must be on current line |
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326 |
*/ |
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327 |
private void printErrLine(int pos, PrintWriter writer) { |
|
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if (!findLine(pos)) |
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return; |
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330 |
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331 |
int lineEnd = lineStart; |
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jjg
parents:
10
diff
changeset
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332 |
while (lineEnd < bufLen && buf[lineEnd] != CR && buf[lineEnd] != LF) |
10 | 333 |
lineEnd++; |
334 |
if (lineEnd - lineStart == 0) |
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return; |
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printLines(writer, new String(buf, lineStart, lineEnd - lineStart)); |
|
337 |
for (bp = lineStart; bp < pos; bp++) { |
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338 |
writer.print((buf[bp] == '\t') ? "\t" : " "); |
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339 |
} |
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writer.println("^"); |
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341 |
writer.flush(); |
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} |
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343 |
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parents:
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diff
changeset
|
344 |
protected void initBuf(JavaFileObject fileObject) throws IOException { |
10 | 345 |
CharSequence cs = fileObject.getCharContent(true); |
346 |
if (cs instanceof CharBuffer) { |
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167
f4b81c733bea
6668802: javac handles diagnostics for last line badly, if line not terminated by newline
jjg
parents:
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diff
changeset
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347 |
CharBuffer cb = (CharBuffer) cs; |
f4b81c733bea
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348 |
buf = JavacFileManager.toArray(cb); |
f4b81c733bea
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changeset
|
349 |
bufLen = cb.limit(); |
10 | 350 |
} else { |
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351 |
buf = cs.toString().toCharArray(); |
f4b81c733bea
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|
352 |
bufLen = buf.length; |
10 | 353 |
} |
354 |
} |
|
355 |
||
356 |
/** Find the line in the buffer that contains the current position |
|
357 |
* @param pos Character offset into the buffer |
|
358 |
*/ |
|
359 |
private boolean findLine(int pos) { |
|
360 |
if (pos == Position.NOPOS || currentSource() == null) |
|
361 |
return false; |
|
362 |
try { |
|
363 |
if (buf == null) { |
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167
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6668802: javac handles diagnostics for last line badly, if line not terminated by newline
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parents:
10
diff
changeset
|
364 |
initBuf(currentSource()); |
10 | 365 |
lineStart = 0; |
366 |
line = 1; |
|
367 |
} else if (lineStart > pos) { // messages don't come in order |
|
368 |
lineStart = 0; |
|
369 |
line = 1; |
|
370 |
} |
|
371 |
bp = lineStart; |
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167
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|
372 |
while (bp < bufLen && bp < pos) { |
10 | 373 |
switch (buf[bp++]) { |
374 |
case CR: |
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167
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parents:
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diff
changeset
|
375 |
if (bp < bufLen && buf[bp] == LF) bp++; |
10 | 376 |
line++; |
377 |
lineStart = bp; |
|
378 |
break; |
|
379 |
case LF: |
|
380 |
line++; |
|
381 |
lineStart = bp; |
|
382 |
break; |
|
383 |
} |
|
384 |
} |
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167
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6668802: javac handles diagnostics for last line badly, if line not terminated by newline
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|
385 |
return bp <= bufLen; |
10 | 386 |
} catch (IOException e) { |
387 |
//e.printStackTrace(); |
|
388 |
// FIXME: include e.getLocalizedMessage() in error message |
|
389 |
printLines(errWriter, getLocalizedString("source.unavailable")); |
|
390 |
errWriter.flush(); |
|
391 |
buf = new char[0]; |
|
392 |
} |
|
393 |
return false; |
|
394 |
} |
|
395 |
||
396 |
/** Print the text of a message, translating newlines appropriately |
|
397 |
* for the platform. |
|
398 |
*/ |
|
399 |
public static void printLines(PrintWriter writer, String msg) { |
|
400 |
int nl; |
|
401 |
while ((nl = msg.indexOf('\n')) != -1) { |
|
402 |
writer.println(msg.substring(0, nl)); |
|
403 |
msg = msg.substring(nl+1); |
|
404 |
} |
|
405 |
if (msg.length() != 0) writer.println(msg); |
|
406 |
} |
|
407 |
||
408 |
/** Report an error, unless another error was already reported at same |
|
409 |
* source position. |
|
410 |
* @param key The key for the localized error message. |
|
411 |
* @param args Fields of the error message. |
|
412 |
*/ |
|
413 |
public void error(String key, Object ... args) { |
|
414 |
report(diags.error(source, null, key, args)); |
|
415 |
} |
|
416 |
||
417 |
/** Report an error, unless another error was already reported at same |
|
418 |
* source position. |
|
419 |
* @param pos The source position at which to report the error. |
|
420 |
* @param key The key for the localized error message. |
|
421 |
* @param args Fields of the error message. |
|
422 |
*/ |
|
423 |
public void error(DiagnosticPosition pos, String key, Object ... args) { |
|
424 |
report(diags.error(source, pos, key, args)); |
|
425 |
} |
|
426 |
||
427 |
/** Report an error, unless another error was already reported at same |
|
428 |
* source position. |
|
429 |
* @param pos The source position at which to report the error. |
|
430 |
* @param key The key for the localized error message. |
|
431 |
* @param args Fields of the error message. |
|
432 |
*/ |
|
433 |
public void error(int pos, String key, Object ... args) { |
|
434 |
report(diags.error(source, wrap(pos), key, args)); |
|
435 |
} |
|
436 |
||
437 |
/** Report a warning, unless suppressed by the -nowarn option or the |
|
438 |
* maximum number of warnings has been reached. |
|
439 |
* @param pos The source position at which to report the warning. |
|
440 |
* @param key The key for the localized warning message. |
|
441 |
* @param args Fields of the warning message. |
|
442 |
*/ |
|
443 |
public void warning(String key, Object ... args) { |
|
444 |
report(diags.warning(source, null, key, args)); |
|
445 |
} |
|
446 |
||
447 |
/** Report a warning, unless suppressed by the -nowarn option or the |
|
448 |
* maximum number of warnings has been reached. |
|
449 |
* @param pos The source position at which to report the warning. |
|
450 |
* @param key The key for the localized warning message. |
|
451 |
* @param args Fields of the warning message. |
|
452 |
*/ |
|
453 |
public void warning(DiagnosticPosition pos, String key, Object ... args) { |
|
454 |
report(diags.warning(source, pos, key, args)); |
|
455 |
} |
|
456 |
||
457 |
/** Report a warning, unless suppressed by the -nowarn option or the |
|
458 |
* maximum number of warnings has been reached. |
|
459 |
* @param pos The source position at which to report the warning. |
|
460 |
* @param key The key for the localized warning message. |
|
461 |
* @param args Fields of the warning message. |
|
462 |
*/ |
|
463 |
public void warning(int pos, String key, Object ... args) { |
|
464 |
report(diags.warning(source, wrap(pos), key, args)); |
|
465 |
} |
|
466 |
||
467 |
/** Report a warning. |
|
468 |
* @param pos The source position at which to report the warning. |
|
469 |
* @param key The key for the localized warning message. |
|
470 |
* @param args Fields of the warning message. |
|
471 |
*/ |
|
472 |
public void mandatoryWarning(DiagnosticPosition pos, String key, Object ... args) { |
|
473 |
if (enforceMandatoryWarnings) |
|
474 |
report(diags.mandatoryWarning(source, pos, key, args)); |
|
475 |
else |
|
476 |
report(diags.warning(source, pos, key, args)); |
|
477 |
} |
|
478 |
||
479 |
/** Report a warning that cannot be suppressed. |
|
480 |
* @param pos The source position at which to report the warning. |
|
481 |
* @param key The key for the localized warning message. |
|
482 |
* @param args Fields of the warning message. |
|
483 |
*/ |
|
484 |
public void strictWarning(DiagnosticPosition pos, String key, Object ... args) { |
|
485 |
writeDiagnostic(diags.warning(source, pos, key, args)); |
|
486 |
nwarnings++; |
|
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(String key, Object ... args) { |
|
494 |
report(diags.note(source, null, 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(DiagnosticPosition pos, String key, Object ... args) { |
|
502 |
report(diags.note(source, 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 note(int pos, String key, Object ... args) { |
|
510 |
report(diags.note(source, wrap(pos), key, args)); |
|
511 |
} |
|
512 |
||
513 |
/** Provide a non-fatal notification, unless suppressed by the -nowarn option. |
|
514 |
* @param key The key for the localized notification message. |
|
515 |
* @param args Fields of the notification message. |
|
516 |
*/ |
|
517 |
public void mandatoryNote(final JavaFileObject file, String key, Object ... args) { |
|
518 |
JCDiagnostic.DiagnosticSource wrapper = null; |
|
519 |
if (file != null) { |
|
520 |
wrapper = new JCDiagnostic.DiagnosticSource() { |
|
521 |
public JavaFileObject getFile() { |
|
522 |
return file; |
|
523 |
} |
|
524 |
public CharSequence getName() { |
|
525 |
return JavacFileManager.getJavacBaseFileName(getFile()); |
|
526 |
} |
|
527 |
public int getLineNumber(int pos) { |
|
528 |
return Log.this.getLineNumber(pos); |
|
529 |
} |
|
530 |
public int getColumnNumber(int pos) { |
|
531 |
return Log.this.getColumnNumber(pos); |
|
532 |
} |
|
533 |
public Map<JCTree, Integer> getEndPosTable() { |
|
534 |
return (endPosTables == null ? null : endPosTables.get(file)); |
|
535 |
} |
|
536 |
}; |
|
537 |
} |
|
538 |
if (enforceMandatoryWarnings) |
|
539 |
report(diags.mandatoryNote(wrapper, key, args)); |
|
540 |
else |
|
541 |
report(diags.note(wrapper, null, key, args)); |
|
542 |
} |
|
543 |
||
544 |
private DiagnosticPosition wrap(int pos) { |
|
545 |
return (pos == Position.NOPOS ? null : new SimpleDiagnosticPosition(pos)); |
|
546 |
} |
|
547 |
||
548 |
/** |
|
549 |
* Common diagnostic handling. |
|
550 |
* The diagnostic is counted, and depending on the options and how many diagnostics have been |
|
551 |
* reported so far, the diagnostic may be handed off to writeDiagnostic. |
|
552 |
*/ |
|
553 |
public void report(JCDiagnostic diagnostic) { |
|
554 |
switch (diagnostic.getType()) { |
|
555 |
case FRAGMENT: |
|
556 |
throw new IllegalArgumentException(); |
|
557 |
||
558 |
case NOTE: |
|
559 |
// Print out notes only when we are permitted to report warnings |
|
560 |
// Notes are only generated at the end of a compilation, so should be small |
|
561 |
// in number. |
|
562 |
if (emitWarnings || diagnostic.isMandatory()) { |
|
563 |
writeDiagnostic(diagnostic); |
|
564 |
} |
|
565 |
break; |
|
566 |
||
567 |
case WARNING: |
|
568 |
if (emitWarnings || diagnostic.isMandatory()) { |
|
569 |
if (nwarnings < MaxWarnings) { |
|
570 |
writeDiagnostic(diagnostic); |
|
571 |
nwarnings++; |
|
572 |
} |
|
573 |
} |
|
574 |
break; |
|
575 |
||
576 |
case ERROR: |
|
577 |
if (nerrors < MaxErrors |
|
578 |
&& shouldReport(diagnostic.getSource(), diagnostic.getIntPosition())) { |
|
579 |
writeDiagnostic(diagnostic); |
|
580 |
nerrors++; |
|
581 |
} |
|
582 |
break; |
|
583 |
} |
|
584 |
} |
|
585 |
||
586 |
/** |
|
587 |
* Write out a diagnostic. |
|
588 |
*/ |
|
589 |
protected void writeDiagnostic(JCDiagnostic diag) { |
|
590 |
if (diagListener != null) { |
|
591 |
try { |
|
592 |
diagListener.report(diag); |
|
593 |
return; |
|
594 |
} |
|
595 |
catch (Throwable t) { |
|
596 |
throw new ClientCodeException(t); |
|
597 |
} |
|
598 |
} |
|
599 |
||
600 |
PrintWriter writer = getWriterForDiagnosticType(diag.getType()); |
|
601 |
||
602 |
printLines(writer, diagFormatter.format(diag)); |
|
603 |
if (showSourceLine) { |
|
604 |
int pos = diag.getIntPosition(); |
|
605 |
if (pos != Position.NOPOS) { |
|
606 |
JavaFileObject prev = useSource(diag.getSource()); |
|
607 |
printErrLine(pos, writer); |
|
608 |
useSource(prev); |
|
609 |
} |
|
610 |
} |
|
611 |
||
612 |
if (promptOnError) { |
|
613 |
switch (diag.getType()) { |
|
614 |
case ERROR: |
|
615 |
case WARNING: |
|
616 |
prompt(); |
|
617 |
} |
|
618 |
} |
|
619 |
||
620 |
if (dumpOnError) |
|
621 |
new RuntimeException().printStackTrace(writer); |
|
622 |
||
623 |
writer.flush(); |
|
624 |
} |
|
625 |
||
626 |
@Deprecated |
|
627 |
protected PrintWriter getWriterForDiagnosticType(DiagnosticType dt) { |
|
628 |
switch (dt) { |
|
629 |
case FRAGMENT: |
|
630 |
throw new IllegalArgumentException(); |
|
631 |
||
632 |
case NOTE: |
|
633 |
return noticeWriter; |
|
634 |
||
635 |
case WARNING: |
|
636 |
return warnWriter; |
|
637 |
||
638 |
case ERROR: |
|
639 |
return errWriter; |
|
640 |
||
641 |
default: |
|
642 |
throw new Error(); |
|
643 |
} |
|
644 |
} |
|
645 |
||
646 |
/** Find a localized string in the resource bundle. |
|
647 |
* @param key The key for the localized string. |
|
648 |
* @param args Fields to substitute into the string. |
|
649 |
*/ |
|
650 |
public static String getLocalizedString(String key, Object ... args) { |
|
651 |
return Messages.getDefaultLocalizedString("compiler.misc." + key, args); |
|
652 |
} |
|
653 |
||
654 |
/*************************************************************************** |
|
655 |
* raw error messages without internationalization; used for experimentation |
|
656 |
* and quick prototyping |
|
657 |
***************************************************************************/ |
|
658 |
||
659 |
/** print an error or warning message: |
|
660 |
*/ |
|
661 |
private void printRawError(int pos, String msg) { |
|
662 |
if (!findLine(pos)) { |
|
663 |
printLines(errWriter, "error: " + msg); |
|
664 |
} else { |
|
665 |
JavaFileObject file = currentSource(); |
|
666 |
if (file != null) |
|
667 |
printLines(errWriter, |
|
668 |
JavacFileManager.getJavacFileName(file) + ":" + |
|
669 |
line + ": " + msg); |
|
670 |
printErrLine(pos, errWriter); |
|
671 |
} |
|
672 |
errWriter.flush(); |
|
673 |
} |
|
674 |
||
675 |
/** report an error: |
|
676 |
*/ |
|
677 |
public void rawError(int pos, String msg) { |
|
678 |
if (nerrors < MaxErrors && shouldReport(currentSource(), pos)) { |
|
679 |
printRawError(pos, msg); |
|
680 |
prompt(); |
|
681 |
nerrors++; |
|
682 |
} |
|
683 |
errWriter.flush(); |
|
684 |
} |
|
685 |
||
686 |
/** report a warning: |
|
687 |
*/ |
|
688 |
public void rawWarning(int pos, String msg) { |
|
689 |
if (nwarnings < MaxWarnings && emitWarnings) { |
|
690 |
printRawError(pos, "warning: " + msg); |
|
691 |
} |
|
692 |
prompt(); |
|
693 |
nwarnings++; |
|
694 |
errWriter.flush(); |
|
695 |
} |
|
696 |
||
697 |
/** Return the one-based line number associated with a given pos |
|
698 |
* for the current source file. Zero is returned if no line exists |
|
699 |
* for the given position. |
|
700 |
*/ |
|
701 |
protected int getLineNumber(int pos) { |
|
702 |
if (findLine(pos)) |
|
703 |
return line; |
|
704 |
return 0; |
|
705 |
} |
|
706 |
||
707 |
/** Return the one-based column number associated with a given pos |
|
708 |
* for the current source file. Zero is returned if no column exists |
|
709 |
* for the given position. |
|
710 |
*/ |
|
711 |
protected int getColumnNumber(int pos) { |
|
712 |
if (findLine(pos)) { |
|
713 |
int column = 0; |
|
714 |
for (bp = lineStart; bp < pos; bp++) { |
|
167
f4b81c733bea
6668802: javac handles diagnostics for last line badly, if line not terminated by newline
jjg
parents:
10
diff
changeset
|
715 |
if (bp >= bufLen) |
10 | 716 |
return 0; |
717 |
if (buf[bp] == '\t') |
|
718 |
column = (column / TabInc * TabInc) + TabInc; |
|
719 |
else |
|
720 |
column++; |
|
721 |
} |
|
722 |
return column + 1; // positions are one-based |
|
723 |
} |
|
724 |
return 0; |
|
725 |
} |
|
726 |
||
727 |
public static String format(String fmt, Object... args) { |
|
728 |
return String.format((java.util.Locale)null, fmt, args); |
|
729 |
} |
|
730 |
||
731 |
} |