again aligning task with xlint reality

docs/dist/doc/ant-ajc-task.html

 <h3>
 Parameters</h3>
 
-<h4>Parameters supported by <code>ajc</code></h4>
-
+<p>
 <table BORDER CELLSPACING=0 CELLPADDING=2 >
 <tr>
 <td VALIGN=TOP><b>Attribute</b></td>
 <th colspan="3">Specifying source and destination files</th>
 </tr>
 
-<td VALIGN=TOP>sourceroots</td>
+<td VALIGN=TOP>sourceRoots</td>
 
-<td VALIGN=TOP>a list of base directories of the source files.  
+<td VALIGN=TOP>Base directory of the source files.
 All source files (.java and .aj) in the base directories are compiled. 
     May also be specified as a <a href="nestedElements">nested element</a>.
 </td>
+<td rowspan="2" ALIGN=CENTER VALIGN=TOP>Yes, in incremental mode.</td>
+</tr>
+
+<td VALIGN=TOP>sourceRootsList</td>
+
+<td VALIGN=TOP>Comma-delimited list of base directories source root
+directories.
+    May also be specified as a <a href="nestedElements">nested element</a>.
+</td>
 
-<td ALIGN=CENTER VALIGN=TOP>Yes, in incremental mode.</td>
 </tr>
 
 <tr> 
 
 <tr>
 <td VALIGN=TOP>classpath</td>
-<td VALIGN=TOP>the classpath required by the source files to compile.
+<td VALIGN=TOP>The classpath required by the source files to compile.
     May also be specified as a <a href="nestedElements">nested element</a>.
 </td>
 <td ALIGN=CENTER VALIGN=TOP>No</td>
 
 <tr>
 <td VALIGN=TOP>srcdir</td>
-<td VALIGN=TOP>the nested source base directory to compile,
+<td VALIGN=TOP>The nested source base directory to compile,
     specified as a <a href="nestedElements">nested element</a>.
 </td>
 <td ALIGN=CENTER VALIGN=TOP>No</td>
 
 <tr>
 <td VALIGN=TOP>aspectpath</td>
-<td VALIGN=TOP>the aspectpath to use -- like classpath, only for
+<td VALIGN=TOP>The aspectpath to use -- like classpath, only for
 read-only, binary aspect libraries (only accepts jar/zip files, no directories).
 May also be specified as a <a href="nestedElements">nested element</a>.
 </td>
 
 <tr>
 <td VALIGN=TOP>bootclasspath</td>
-<td VALIGN=TOP>location of bootstrap class files.</td>
+<td VALIGN=TOP>Location of bootstrap class files.</td>
 <td ALIGN=CENTER VALIGN=TOP>No</td>
 </tr>
 
 <tr>
 <td VALIGN=TOP>classpathref</td>
-<td VALIGN=TOP>the classpath to use, given as a<a href="http://jakarta.apache.org/ant/manual/using.html#references">
+<td VALIGN=TOP>The classpath to use, given as a<a href="http://jakarta.apache.org/ant/manual/using.html#references">
 reference</a> to a PATH defined elsewhere.</td>
 <td ALIGN=CENTER VALIGN=TOP>No</td>
 </tr>
 
 <tr>
 <td VALIGN=TOP>bootclasspathref</td>
-<td VALIGN=TOP>location of bootstrap class files, given as a <a href="http://jakarta.apache.org/ant/manual/using.html#references">reference</a>
+<td VALIGN=TOP>Location of bootstrap class files, given as a <a href="http://jakarta.apache.org/ant/manual/using.html#references">reference</a>
 to a PATH defined elsewhere.</td>
 <td ALIGN=CENTER VALIGN=TOP>No</td>
 </tr>
 
 <tr>
   <td VALIGN=TOP>incremental</td>
-  <td VALIGN=TOP>build once, then recompile on demand only required files; 
+  <td VALIGN=TOP>Build once, then recompile on demand only required files; 
   defaults to <tt>false</tt>.
   By default, files are recompiled based on input passed to stdin
   (see tagfile)</td>
 
 <tr>
 <td VALIGN=TOP>emacssym</td>
-<td VALIGN=TOP>whether to emit <tt>.ajesym</tt> symbol files for Emacs support;
+<td VALIGN=TOP>Whether to emit <tt>.ajesym</tt> symbol files for Emacs support;
 defaults to <tt>false</tt>.</td>
 <td ALIGN=CENTER VALIGN=TOP>No</td>
 </tr>
 
 <tr>
 <td VALIGN=TOP>verbose</td>
-<td VALIGN=TOP>whether to emit compiler status messages during the compile;
+<td VALIGN=TOP>Whether to emit compiler status messages during the compile;
 defaults to <tt>false</tt>.</td>
 <td ALIGN=CENTER VALIGN=TOP>No</td>
 </tr>
 
 <tr>
 <td VALIGN=TOP>version</td>
-<td VALIGN=TOP>if true, do not compile - just print AspectJ version;
+<td VALIGN=TOP>If true, do not compile - just print AspectJ version;
 defaults to <tt>false</tt>.</td>
 <td ALIGN=CENTER VALIGN=TOP>No</td>
 </tr>
 
 <tr>
 <td VALIGN=TOP>help</td>
-<td VALIGN=TOP>if true, just print help for the command-line compiler;
+<td VALIGN=TOP>If true, just print help for the command-line compiler;
 defaults to <tt>false</tt>.</td>
 <td ALIGN=CENTER VALIGN=TOP>No</td>
 </tr>
 
 <tr>
-<td VALIGN=TOP>Xlintenabled</td>
-<td VALIGN=TOP>same as <tt>xlint:all</tt>, 
-whether to emit language usage messages during the compile;
+<td VALIGN=TOP>Xlintwarnings</td>
+<td VALIGN=TOP>Same as <tt>xlint:warning</tt> - 
+if enabled, set default level of all language usage messages to warning;
 defaults to <tt>false</tt>.</td>
 <td ALIGN=CENTER VALIGN=TOP>No</td>
 </tr>
 
 <tr>
-<td VALIGN=TOP>Xlintfile</td>
-<td VALIGN=TOP>specify property file containing name:level associations
-for any overrides to the default associations for language usage
-messaged emitted during the compile.</td>
+<td VALIGN=TOP>Xlint</td>
+<td VALIGN=TOP>Specify default level of all language usage messages
+to one of (error, warning, ignore).
 <td ALIGN=CENTER VALIGN=TOP>No</td>
 </tr>
 
-<!--
 <tr>
-<td VALIGN=TOP>Xlint</td>
-<td VALIGN=TOP>Specify which language usage messages to emit
-during compile, using comma-separated list of entries.
+<td VALIGN=TOP>Xlintfile</td>
+<td VALIGN=TOP>Specify property file containing name:level 
+associations setting level for language messages emitted
+during compilation.  Any levels set override the default 
+associations in 
+<code>org/aspectj/weaver/XLintDefault.properties</code>.
+</td>
 <td ALIGN=CENTER VALIGN=TOP>No</td>
 </tr>
--->
+
 
 <tr>
   <td VALIGN=TOP>failonerror</td>
-  <td VALIGN=TOP>whether the build continues notwithstanding compile errors; 
+  <td VALIGN=TOP>Whether the build continues notwithstanding compile errors; 
   defaults to <tt>true</tt>.&nbsp;</td>
   <td ALIGN=CENTER VALIGN=TOP>No</td>
   </tr>
 
 <tr>
   <td VALIGN=TOP>nowarn</td>
-  <td VALIGN=TOP>same as <tt>warn:none</tt>; 
+  <td VALIGN=TOP>Same as <tt>warn:none</tt>; 
   defaults to <tt>false</tt>.&nbsp;</td>
   <td ALIGN=CENTER VALIGN=TOP>No</td>
   </tr>
 
 <tr>
   <td VALIGN=TOP>deprecation</td>
-  <td VALIGN=TOP>same as <tt>warn:deprecation</tt>; 
+  <td VALIGN=TOP>Same as <tt>warn:deprecation</tt>; 
   defaults to <tt>false</tt>.&nbsp;</td>
   <td ALIGN=CENTER VALIGN=TOP>No</td>
   </tr>
 
 <tr>
   <td VALIGN=TOP>warn</td>
-  <td VALIGN=TOP>one or more comma-separated warning specifications: 
+  <td VALIGN=TOP>One or more comma-separated warning specifications: 
 <tt>constructorName</tt>, 
 <tt>packageDefaultMethod</tt>, 
 <tt>deprecation</tt>, 
 
 <tr>
   <td VALIGN=TOP>debug</td>
-  <td VALIGN=TOP>same as <tt>debug:lines,vars,source</tt></td>
+  <td VALIGN=TOP>Same as <tt>debug:lines,vars,source</tt></td>
   <td ALIGN=CENTER VALIGN=TOP>No</td>
   </tr>
 
 <tr>
   <td VALIGN=TOP>debuglevel</td>
-  <td VALIGN=TOP>one or more comma-separated debug specifications:
+  <td VALIGN=TOP>One or more comma-separated debug specifications:
      <tt>lines</tt>, 
      <tt>vars</tt>, or 
      <tt>source</tt>.
 
 <tr>
   <td VALIGN=TOP>PreserveAllLocals</td>
-  <td VALIGN=TOP>code gen preserves all local variables (for debug purposes); 
+  <td VALIGN=TOP>Code gen preserves all local variables (for debug purposes); 
   defaults to <tt>false</tt>.&nbsp;</td>
   <td ALIGN=CENTER VALIGN=TOP>No</td>
   </tr>
 
 <tr>
   <td VALIGN=TOP>noimporterror</td>
-  <td VALIGN=TOP>no errors for unresolved imports; 
+  <td VALIGN=TOP>No errors for unresolved imports; 
   defaults to <tt>false</tt>.&nbsp;</td>
   <td ALIGN=CENTER VALIGN=TOP>No</td>
   </tr>
 
 <tr>
   <td VALIGN=TOP>referenceinfo</td>
-  <td VALIGN=TOP>compute reference info; 
+  <td VALIGN=TOP>Compute reference info; 
   defaults to <tt>false</tt>.&nbsp;</td>
   <td ALIGN=CENTER VALIGN=TOP>No</td>
   </tr>
 
 <tr>
   <td VALIGN=TOP>encoding</td>
-  <td VALIGN=TOP>default source encoding format</td>
+  <td VALIGN=TOP>Default source encoding format</td>
   <td ALIGN=CENTER VALIGN=TOP>No</td>
   </tr>
 
 <tr>
   <td VALIGN=TOP>proceedonerror</td>
-  <td VALIGN=TOP>keep compiling when error, dumping class files with problem methods; 
+  <td VALIGN=TOP>Keep compiling when error, dumping class files with problem methods; 
   defaults to <tt>false</tt>.&nbsp;</td>
   <td ALIGN=CENTER VALIGN=TOP>No</td>
   </tr>
 
 <tr>
   <td VALIGN=TOP>progress</td>
-  <td VALIGN=TOP>show progress (requires log); 
+  <td VALIGN=TOP>Show progress (requires log); 
   defaults to <tt>false</tt>.&nbsp;</td>
   <td ALIGN=CENTER VALIGN=TOP>No</td>
   </tr>
 
 <tr>
   <td VALIGN=TOP>time</td>
-  <td VALIGN=TOP>display speed information; 
+  <td VALIGN=TOP>Display speed information; 
   defaults to <tt>false</tt>.&nbsp;</td>
   <td ALIGN=CENTER VALIGN=TOP>No</td>
   </tr>
 <!--
 <tr>
   <td VALIGN=TOP>noexit</td>
-  <td VALIGN=TOP>disable System.exit; defaults to <tt>true</tt>.
+  <td VALIGN=TOP>Disable System.exit; defaults to <tt>true</tt>.
   (<em>If false, this kills the Ant process</em>;
        to halt compile gracefully, use <tt>failonerror</tt>);
   &nbsp;</td>
 
 <tr>
   <td VALIGN=TOP>source</td>
-  <td VALIGN=TOP>source assertion mode ("1.3" or "1.4"); 
+  <td VALIGN=TOP>Source assertion mode ("1.3" or "1.4"); 
   default depends on compliance mode.&nbsp;</td>
   <td ALIGN=CENTER VALIGN=TOP>No</td>
   </tr>

taskdefs/src/org/aspectj/tools/ant/taskdefs/AjcTask.java

 	/** valid debugging (-g:[...]) variants */
     private static final List VALID_DEBUG;
 
-	/** -Xlint variants 
+	/** 
+	 * -Xlint variants (error, warning, ignore)
 	 * @see org.aspectj.weaver.Lint 
 	 */
     private static final List VALID_XLINT;
     
+//	/** -Xlint variants 
+//	 * @see org.aspectj.weaver.Lint 
+//	 */
+//    private static final List VALID_XLINT_TAGS;
+    
     static {
         String[] xs = new String[] 
             {   "serializableAspects", "incrementalFile"
         VALID_DEBUG = Collections.unmodifiableList(Arrays.asList(xs));
         
         
-        xs = new String[] 
-        { "invalidAbsoluteTypeName", "invalidWildcardTypeName",
-        	"unresolvableMember" };
+        xs = new String[] { "error", "warning", "ignore"};
         VALID_XLINT = Collections.unmodifiableList(Arrays.asList(xs));
+        
+//        xs = new String[] 
+//        { "invalidAbsoluteTypeName", "invalidWildcardTypeName",
+//        	"unresolvableMember" };
+//        VALID_XLINT_TAGS = Collections.unmodifiableList(Arrays.asList(xs));
     }
 	// ---------------------------- state and Ant interface thereto
 	
     }
     
 	protected void ignore(String ignored) {
-		this.ignored.add(ignored);
+		this.ignored.add(ignored + " at " + getLocation());
 	}
     protected void addFlagged(String flag, String argument) {
         cmd.addArguments(new String[] {flag, argument});
     }
 
-    protected String validCommaList(String list, List valid) {
+    protected String validCommaList(String list, List valid, String label) {
+    	return validCommaList(list, valid, label, valid.size());
+    }
+    
+    protected String validCommaList(String list, List valid, String label, int max) {
     	StringBuffer result = new StringBuffer();
     	StringTokenizer st = new StringTokenizer(list, ",");
+		int num = 0;
     	while (st.hasMoreTokens()) {
 			String token = st.nextToken().trim();
+			num++;
+			if (num > max) {
+				ignore("too many entries for -" 
+					+ label 
+					+ ": " 
+					+ token); 
+				break;
+			}
 			if (!valid.contains(token)) {
-				ignore("commaList entry: " + token); // XXX weak message
+				ignore("bad commaList entry for -" 
+					+ label 
+					+ ": " 
+					+ token); 
 			} else {
 				if (0 < result.length()) {
 					result.append(",");
     }
 
     public void setWarn(String warnings) {
-    	warnings = validCommaList(warnings, VALID_WARNINGS);
-        addFlag("-g:" + warnings, (null != warnings));
+    	warnings = validCommaList(warnings, VALID_WARNINGS, "warn");
+        addFlag("-warn:" + warnings, (null != warnings));
     }
 
     public void setDebug(boolean debug) {
         addFlag("-g", debug);
     }
     
-    public void setEmacssym(boolean emacssym) {
-        addFlag("-emacssym", emacssym);
-    }
-
     public void setDebugLevel(String level) {
-    	level = validCommaList(level, VALID_DEBUG);
+    	level = validCommaList(level, VALID_DEBUG, "g");
         addFlag("-g:" + level, (null != level));
     }
 
-	/** -Xlint - enable or disable all forms of -Xlint messages */
-	public void setXlintenabled(boolean xlintenabled) {
-        addFlag("-Xlint", xlintenabled);
+    public void setEmacssym(boolean emacssym) {
+        addFlag("-emacssym", emacssym);
+    }
+
+	/** 
+	 * -Xlint - set default level of -Xlint messages to warning
+	 * (same as </code>-Xlint:warning</code>)
+	 */
+	public void setXlintwarnings(boolean xlintwarnings) {
+        addFlag("-Xlint", xlintwarnings);
 	}
 	
-	/** -Xlint:{xlint} - enable or disable specific forms of -Xlint messages
-	 * @param xlint the String with comma-delimited lint 
+	/** -Xlint:{error|warning|info} - set default level for -Xlint messages
+	 * @param xlint the String with one of error, warning, ignored 
 	 */
-    public void setXlint(String xlint) { // XXX confirm form supported
-    	xlint = validCommaList(xlint, VALID_XLINT);
+    public void setXlint(String xlint) {
+    	xlint = validCommaList(xlint, VALID_XLINT, "Xlint", 1);
         addFlag("-Xlint:" + xlint, (null != xlint));
     }
 
 	/** 
-	 * -Xlint:file={xlintFile} - enable or disable specific forms 
+	 * -Xlint:file={lint.properties} - enable or disable specific forms 
 	 * of -Xlint messages based on a lint properties file
+	 *  (default is 
+	 * <code>org/aspectj/weaver/XLintDefault.properties</code>)
 	 * @param xlintFile the File with lint properties
 	 */
-    public void setXlintFile(File xlintFile) { 
-        String flag = "-Xlint:file=" + xlintFile.getAbsolutePath();
-        //addFlag(flag);
-        ignore(flag + "[XXX unimplemented in compiler]");
+    public void setXlintfile(File xlintFile) { 
+        String flag = "-Xlintfile:" + xlintFile.getAbsolutePath();
+        addFlag(flag, true);
     }
 
     public void setPreserveAllLocals(boolean preserveAllLocals) {  
     	}   		
     }
     //---------------------- accumulate these lists
+    public void setSourceRootsList(String commaList) {
+    	StringTokenizer st = new StringTokenizer(commaList, ",");
+    	while (st.hasMoreTokens()) {
+    		String token = st.nextToken().trim();
+    		if (0 == token.length()) {
+    			ignore("empty source root found");
+    		}
+    		File srcRoot = new File(token);
+    		if (srcRoot.canRead() && srcRoot.isDirectory()) {
+    			Path path = new Path(getProject(), srcRoot.getPath());
+    			setSourceRoots(path);
+    		} else {
+    			ignore("source root not found: " + srcRoot);
+    		}
+    	}
+    }
+
     public void setSourceRoots(Path roots) {
         if (this.sourceRoots == null) {
             this.sourceRoots = roots;