Thu, 07 Jun 2012 20:30:57 -0700
7170079: Adjustments to build-infra makefiles
Reviewed-by: ohair, ohrstrom, ihse, jonas
Contributed-by: jonas <jonas.oreland@oracle.com>, erikj <erik.joelsson@oracle.com>, ihse <magnus.ihse.bursie@oracle.com>, tgranat <torbjorn.granat@oracle.com>, ykantser <yekaterina.kantserova@oracle.com>
1 /*
2 * Copyright (c) 2010, 2011, Oracle and/or its affiliates. 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
24 import java.awt.BorderLayout;
25 import java.awt.Color;
26 import java.awt.Dimension;
27 import java.awt.EventQueue;
28 import java.awt.Font;
29 import java.awt.GridBagConstraints;
30 import java.awt.GridBagLayout;
31 import java.awt.Rectangle;
32 import java.awt.event.ActionEvent;
33 import java.awt.event.ActionListener;
34 import java.awt.event.MouseAdapter;
35 import java.awt.event.MouseEvent;
36 import java.io.File;
37 import java.io.IOException;
38 import java.io.PrintStream;
39 import java.io.PrintWriter;
40 import java.io.StringWriter;
41 import java.lang.reflect.Field;
42 import java.lang.reflect.Modifier;
43 import java.nio.charset.Charset;
44 import java.util.ArrayList;
45 import java.util.Collections;
46 import java.util.HashMap;
47 import java.util.HashSet;
48 import java.util.Iterator;
49 import java.util.List;
50 import java.util.Map;
51 import java.util.Set;
52 import javax.swing.DefaultComboBoxModel;
53 import javax.swing.JComboBox;
54 import javax.swing.JComponent;
55 import javax.swing.JFrame;
56 import javax.swing.JLabel;
57 import javax.swing.JPanel;
58 import javax.swing.JScrollPane;
59 import javax.swing.JTextArea;
60 import javax.swing.JTextField;
61 import javax.swing.SwingUtilities;
62 import javax.swing.event.CaretEvent;
63 import javax.swing.event.CaretListener;
64 import javax.swing.text.BadLocationException;
65 import javax.swing.text.DefaultHighlighter;
66 import javax.swing.text.Highlighter;
67 import javax.tools.Diagnostic;
68 import javax.tools.DiagnosticListener;
69 import javax.tools.JavaFileObject;
70 import javax.tools.StandardJavaFileManager;
72 import com.sun.source.tree.CompilationUnitTree;
73 import com.sun.source.util.JavacTask;
74 import com.sun.tools.javac.api.JavacTool;
75 import com.sun.tools.javac.code.Flags;
76 import com.sun.tools.javac.parser.EndPosTable;
77 import com.sun.tools.javac.tree.JCTree;
78 import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
79 import com.sun.tools.javac.tree.JCTree.JCNewClass;
80 import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
81 import com.sun.tools.javac.tree.TreeInfo;
82 import com.sun.tools.javac.tree.TreeScanner;
84 import static com.sun.tools.javac.tree.JCTree.Tag.*;
85 import static com.sun.tools.javac.util.Position.NOPOS;
87 /**
88 * Utility and test program to check validity of tree positions for tree nodes.
89 * The program can be run standalone, or as a jtreg test. In standalone mode,
90 * errors can be displayed in a gui viewer. For info on command line args,
91 * run program with no args.
92 *
93 * <p>
94 * jtreg: Note that by using the -r switch in the test description below, this test
95 * will process all java files in the langtools/test directory, thus implicitly
96 * covering any new language features that may be tested in this test suite.
97 */
99 /*
100 * @test
101 * @bug 6919889
102 * @summary assorted position errors in compiler syntax trees
103 * @run main TreePosTest -q -r -ef ./tools/javac/typeAnnotations -ef ./tools/javap/typeAnnotations -et ANNOTATED_TYPE .
104 */
105 public class TreePosTest {
106 /**
107 * Main entry point.
108 * If test.src is set, program runs in jtreg mode, and will throw an Error
109 * if any errors arise, otherwise System.exit will be used, unless the gui
110 * viewer is being used. In jtreg mode, the default base directory for file
111 * args is the value of ${test.src}. In jtreg mode, the -r option can be
112 * given to change the default base directory to the root test directory.
113 */
114 public static void main(String... args) {
115 String testSrc = System.getProperty("test.src");
116 File baseDir = (testSrc == null) ? null : new File(testSrc);
117 boolean ok = new TreePosTest().run(baseDir, args);
118 if (!ok) {
119 if (testSrc != null) // jtreg mode
120 throw new Error("failed");
121 else
122 System.exit(1);
123 }
124 }
126 /**
127 * Run the program. A base directory can be provided for file arguments.
128 * In jtreg mode, the -r option can be given to change the default base
129 * directory to the test root directory. For other options, see usage().
130 * @param baseDir base directory for any file arguments.
131 * @param args command line args
132 * @return true if successful or in gui mode
133 */
134 boolean run(File baseDir, String... args) {
135 if (args.length == 0) {
136 usage(System.out);
137 return true;
138 }
140 List<File> files = new ArrayList<File>();
141 for (int i = 0; i < args.length; i++) {
142 String arg = args[i];
143 if (arg.equals("-encoding") && i + 1 < args.length)
144 encoding = args[++i];
145 else if (arg.equals("-gui"))
146 gui = true;
147 else if (arg.equals("-q"))
148 quiet = true;
149 else if (arg.equals("-v"))
150 verbose = true;
151 else if (arg.equals("-t") && i + 1 < args.length)
152 tags.add(args[++i]);
153 else if (arg.equals("-ef") && i + 1 < args.length)
154 excludeFiles.add(new File(baseDir, args[++i]));
155 else if (arg.equals("-et") && i + 1 < args.length)
156 excludeTags.add(args[++i]);
157 else if (arg.equals("-r")) {
158 if (excludeFiles.size() > 0)
159 throw new Error("-r must be used before -ef");
160 File d = baseDir;
161 while (!new File(d, "TEST.ROOT").exists()) {
162 d = d.getParentFile();
163 if (d == null)
164 throw new Error("cannot find TEST.ROOT");
165 }
166 baseDir = d;
167 }
168 else if (arg.startsWith("-"))
169 throw new Error("unknown option: " + arg);
170 else {
171 while (i < args.length)
172 files.add(new File(baseDir, args[i++]));
173 }
174 }
176 for (File file: files) {
177 if (file.exists())
178 test(file);
179 else
180 error("File not found: " + file);
181 }
183 if (fileCount != 1)
184 System.err.println(fileCount + " files read");
185 if (errors > 0)
186 System.err.println(errors + " errors");
188 return (gui || errors == 0);
189 }
191 /**
192 * Print command line help.
193 * @param out output stream
194 */
195 void usage(PrintStream out) {
196 out.println("Usage:");
197 out.println(" java TreePosTest options... files...");
198 out.println("");
199 out.println("where options include:");
200 out.println("-gui Display returns in a GUI viewer");
201 out.println("-q Quiet: don't report on inapplicable files");
202 out.println("-v Verbose: report on files as they are being read");
203 out.println("-t tag Limit checks to tree nodes with this tag");
204 out.println(" Can be repeated if desired");
205 out.println("-ef file Exclude file or directory");
206 out.println("-et tag Exclude tree nodes with given tag name");
207 out.println("");
208 out.println("files may be directories or files");
209 out.println("directories will be scanned recursively");
210 out.println("non java files, or java files which cannot be parsed, will be ignored");
211 out.println("");
212 }
214 /**
215 * Test a file. If the file is a directory, it will be recursively scanned
216 * for java files.
217 * @param file the file or directory to test
218 */
219 void test(File file) {
220 if (excludeFiles.contains(file)) {
221 if (!quiet)
222 error("File " + file + " excluded");
223 return;
224 }
226 if (file.isDirectory()) {
227 for (File f: file.listFiles()) {
228 test(f);
229 }
230 return;
231 }
233 if (file.isFile() && file.getName().endsWith(".java")) {
234 try {
235 if (verbose)
236 System.err.println(file);
237 fileCount++;
238 PosTester p = new PosTester();
239 p.test(read(file));
240 } catch (ParseException e) {
241 if (!quiet) {
242 error("Error parsing " + file + "\n" + e.getMessage());
243 }
244 } catch (IOException e) {
245 error("Error reading " + file + ": " + e);
246 }
247 return;
248 }
250 if (!quiet)
251 error("File " + file + " ignored");
252 }
254 // See CR: 6982992 Tests CheckAttributedTree.java, JavacTreeScannerTest.java, and SourceTreeeScannerTest.java timeout
255 StringWriter sw = new StringWriter();
256 PrintWriter pw = new PrintWriter(sw);
257 Reporter r = new Reporter(pw);
258 JavacTool tool = JavacTool.create();
259 StandardJavaFileManager fm = tool.getStandardFileManager(r, null, null);
261 /**
262 * Read a file.
263 * @param file the file to be read
264 * @return the tree for the content of the file
265 * @throws IOException if any IO errors occur
266 * @throws TreePosTest.ParseException if any errors occur while parsing the file
267 */
268 JCCompilationUnit read(File file) throws IOException, ParseException {
269 JavacTool tool = JavacTool.create();
270 r.errors = 0;
271 Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(file);
272 JavacTask task = tool.getTask(pw, fm, r, Collections.<String>emptyList(), null, files);
273 Iterable<? extends CompilationUnitTree> trees = task.parse();
274 pw.flush();
275 if (r.errors > 0)
276 throw new ParseException(sw.toString());
277 Iterator<? extends CompilationUnitTree> iter = trees.iterator();
278 if (!iter.hasNext())
279 throw new Error("no trees found");
280 JCCompilationUnit t = (JCCompilationUnit) iter.next();
281 if (iter.hasNext())
282 throw new Error("too many trees found");
283 return t;
284 }
286 /**
287 * Report an error. When the program is complete, the program will either
288 * exit or throw an Error if any errors have been reported.
289 * @param msg the error message
290 */
291 void error(String msg) {
292 System.err.println(msg);
293 errors++;
294 }
296 /**
297 * Names for tree tags.
298 */
299 private static String getTagName(JCTree.Tag tag) {
300 String name = tag.name();
301 return (name == null) ? "??" : name;
302 }
304 /** Number of files that have been analyzed. */
305 int fileCount;
306 /** Number of errors reported. */
307 int errors;
308 /** Flag: don't report irrelevant files. */
309 boolean quiet;
310 /** Flag: report files as they are processed. */
311 boolean verbose;
312 /** Flag: show errors in GUI viewer. */
313 boolean gui;
314 /** Option: encoding for test files. */
315 String encoding;
316 /** The GUI viewer for errors. */
317 Viewer viewer;
318 /** The set of tags for tree nodes to be analyzed; if empty, all tree nodes
319 * are analyzed. */
320 Set<String> tags = new HashSet<String>();
321 /** Set of files and directories to be excluded from analysis. */
322 Set<File> excludeFiles = new HashSet<File>();
323 /** Set of tag names to be excluded from analysis. */
324 Set<String> excludeTags = new HashSet<String>();
326 /**
327 * Main class for testing assertions concerning tree positions for tree nodes.
328 */
329 private class PosTester extends TreeScanner {
330 void test(JCCompilationUnit tree) {
331 sourcefile = tree.sourcefile;
332 endPosTable = tree.endPositions;
333 encl = new Info();
334 tree.accept(this);
335 }
337 @Override
338 public void scan(JCTree tree) {
339 if (tree == null)
340 return;
342 Info self = new Info(tree, endPosTable);
343 if (check(encl, self)) {
344 // Modifiers nodes are present throughout the tree even where
345 // there is no corresponding source text.
346 // Redundant semicolons in a class definition can cause empty
347 // initializer blocks with no positions.
348 if ((self.tag == MODIFIERS || self.tag == BLOCK)
349 && self.pos == NOPOS) {
350 // If pos is NOPOS, so should be the start and end positions
351 check("start == NOPOS", encl, self, self.start == NOPOS);
352 check("end == NOPOS", encl, self, self.end == NOPOS);
353 } else {
354 // For this node, start , pos, and endpos should be all defined
355 check("start != NOPOS", encl, self, self.start != NOPOS);
356 check("pos != NOPOS", encl, self, self.pos != NOPOS);
357 check("end != NOPOS", encl, self, self.end != NOPOS);
358 // The following should normally be ordered
359 // encl.start <= start <= pos <= end <= encl.end
360 // In addition, the position of the enclosing node should be
361 // within this node.
362 // The primary exceptions are for array type nodes, because of the
363 // need to support legacy syntax:
364 // e.g. int a[]; int[] b[]; int f()[] { return null; }
365 // and because of inconsistent nesting of left and right of
366 // array declarations:
367 // e.g. int[][] a = new int[2][];
368 check("encl.start <= start", encl, self, encl.start <= self.start);
369 check("start <= pos", encl, self, self.start <= self.pos);
370 if (!(self.tag == TYPEARRAY
371 && (encl.tag == VARDEF ||
372 encl.tag == METHODDEF ||
373 encl.tag == TYPEARRAY))) {
374 check("encl.pos <= start || end <= encl.pos",
375 encl, self, encl.pos <= self.start || self.end <= encl.pos);
376 }
377 check("pos <= end", encl, self, self.pos <= self.end);
378 if (!(self.tag == TYPEARRAY && encl.tag == TYPEARRAY)) {
379 check("end <= encl.end", encl, self, self.end <= encl.end);
380 }
381 }
382 }
384 Info prevEncl = encl;
385 encl = self;
386 tree.accept(this);
387 encl = prevEncl;
388 }
390 @Override
391 public void visitVarDef(JCVariableDecl tree) {
392 // enum member declarations are desugared in the parser and have
393 // ill-defined semantics for tree positions, so for now, we
394 // skip the synthesized bits and just check parts which came from
395 // the original source text
396 if ((tree.mods.flags & Flags.ENUM) != 0) {
397 scan(tree.mods);
398 if (tree.init != null) {
399 if (tree.init.hasTag(NEWCLASS)) {
400 JCNewClass init = (JCNewClass) tree.init;
401 if (init.args != null && init.args.nonEmpty()) {
402 scan(init.args);
403 }
404 if (init.def != null && init.def.defs != null) {
405 scan(init.def.defs);
406 }
407 }
408 }
409 } else
410 super.visitVarDef(tree);
411 }
413 boolean check(Info encl, Info self) {
414 if (excludeTags.size() > 0) {
415 if (encl != null && excludeTags.contains(getTagName(encl.tag))
416 || excludeTags.contains(getTagName(self.tag)))
417 return false;
418 }
419 return tags.size() == 0 || tags.contains(getTagName(self.tag));
420 }
422 void check(String label, Info encl, Info self, boolean ok) {
423 if (!ok) {
424 if (gui) {
425 if (viewer == null)
426 viewer = new Viewer();
427 viewer.addEntry(sourcefile, label, encl, self);
428 }
430 String s = self.tree.toString();
431 String msg = sourcefile.getName() + ": " + label + ": " +
432 "encl:" + encl + " this:" + self + "\n" +
433 s.substring(0, Math.min(80, s.length())).replaceAll("[\r\n]+", " ");
434 error(msg);
435 }
436 }
438 JavaFileObject sourcefile;
439 EndPosTable endPosTable;
440 Info encl;
442 }
444 /**
445 * Utility class providing easy access to position and other info for a tree node.
446 */
447 private class Info {
448 Info() {
449 tree = null;
450 tag = ERRONEOUS;
451 start = 0;
452 pos = 0;
453 end = Integer.MAX_VALUE;
454 }
456 Info(JCTree tree, EndPosTable endPosTable) {
457 this.tree = tree;
458 tag = tree.getTag();
459 start = TreeInfo.getStartPos(tree);
460 pos = tree.pos;
461 end = TreeInfo.getEndPos(tree, endPosTable);
462 }
464 @Override
465 public String toString() {
466 return getTagName(tree.getTag()) + "[start:" + start + ",pos:" + pos + ",end:" + end + "]";
467 }
469 final JCTree tree;
470 final JCTree.Tag tag;
471 final int start;
472 final int pos;
473 final int end;
474 }
476 /**
477 * Thrown when errors are found parsing a java file.
478 */
479 private static class ParseException extends Exception {
480 ParseException(String msg) {
481 super(msg);
482 }
483 }
485 /**
486 * DiagnosticListener to report diagnostics and count any errors that occur.
487 */
488 private static class Reporter implements DiagnosticListener<JavaFileObject> {
489 Reporter(PrintWriter out) {
490 this.out = out;
491 }
493 public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
494 out.println(diagnostic);
495 switch (diagnostic.getKind()) {
496 case ERROR:
497 errors++;
498 }
499 }
500 int errors;
501 PrintWriter out;
502 }
504 /**
505 * GUI viewer for issues found by TreePosTester. The viewer provides a drop
506 * down list for selecting error conditions, a header area providing details
507 * about an error, and a text area with the ranges of text highlighted as
508 * appropriate.
509 */
510 private class Viewer extends JFrame {
511 /**
512 * Create a viewer.
513 */
514 Viewer() {
515 initGUI();
516 }
518 /**
519 * Add another entry to the list of errors.
520 * @param file The file containing the error
521 * @param check The condition that was being tested, and which failed
522 * @param encl the enclosing tree node
523 * @param self the tree node containing the error
524 */
525 void addEntry(JavaFileObject file, String check, Info encl, Info self) {
526 Entry e = new Entry(file, check, encl, self);
527 DefaultComboBoxModel m = (DefaultComboBoxModel) entries.getModel();
528 m.addElement(e);
529 if (m.getSize() == 1)
530 entries.setSelectedItem(e);
531 }
533 /**
534 * Initialize the GUI window.
535 */
536 private void initGUI() {
537 JPanel head = new JPanel(new GridBagLayout());
538 GridBagConstraints lc = new GridBagConstraints();
539 GridBagConstraints fc = new GridBagConstraints();
540 fc.anchor = GridBagConstraints.WEST;
541 fc.fill = GridBagConstraints.HORIZONTAL;
542 fc.gridwidth = GridBagConstraints.REMAINDER;
544 entries = new JComboBox();
545 entries.addActionListener(new ActionListener() {
546 public void actionPerformed(ActionEvent e) {
547 showEntry((Entry) entries.getSelectedItem());
548 }
549 });
550 fc.insets.bottom = 10;
551 head.add(entries, fc);
552 fc.insets.bottom = 0;
553 head.add(new JLabel("check:"), lc);
554 head.add(checkField = createTextField(80), fc);
555 fc.fill = GridBagConstraints.NONE;
556 head.add(setBackground(new JLabel("encl:"), enclColor), lc);
557 head.add(enclPanel = new InfoPanel(), fc);
558 head.add(setBackground(new JLabel("self:"), selfColor), lc);
559 head.add(selfPanel = new InfoPanel(), fc);
560 add(head, BorderLayout.NORTH);
562 body = new JTextArea();
563 body.setFont(Font.decode(Font.MONOSPACED));
564 body.addCaretListener(new CaretListener() {
565 public void caretUpdate(CaretEvent e) {
566 int dot = e.getDot();
567 int mark = e.getMark();
568 if (dot == mark)
569 statusText.setText("dot: " + dot);
570 else
571 statusText.setText("dot: " + dot + ", mark:" + mark);
572 }
573 });
574 JScrollPane p = new JScrollPane(body,
575 JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
576 JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
577 p.setPreferredSize(new Dimension(640, 480));
578 add(p, BorderLayout.CENTER);
580 statusText = createTextField(80);
581 add(statusText, BorderLayout.SOUTH);
583 pack();
584 setLocationRelativeTo(null); // centered on screen
585 setVisible(true);
586 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
587 }
589 /** Show an entry that has been selected. */
590 private void showEntry(Entry e) {
591 try {
592 // update simple fields
593 setTitle(e.file.getName());
594 checkField.setText(e.check);
595 enclPanel.setInfo(e.encl);
596 selfPanel.setInfo(e.self);
597 // show file text with highlights
598 body.setText(e.file.getCharContent(true).toString());
599 Highlighter highlighter = body.getHighlighter();
600 highlighter.removeAllHighlights();
601 addHighlight(highlighter, e.encl, enclColor);
602 addHighlight(highlighter, e.self, selfColor);
603 scroll(body, getMinPos(enclPanel.info, selfPanel.info));
604 } catch (IOException ex) {
605 body.setText("Cannot read " + e.file.getName() + ": " + e);
606 }
607 }
609 /** Create a test field. */
610 private JTextField createTextField(int width) {
611 JTextField f = new JTextField(width);
612 f.setEditable(false);
613 f.setBorder(null);
614 return f;
615 }
617 /** Add a highlighted region based on the positions in an Info object. */
618 private void addHighlight(Highlighter h, Info info, Color c) {
619 int start = info.start;
620 int end = info.end;
621 if (start == -1 && end == -1)
622 return;
623 if (start == -1)
624 start = end;
625 if (end == -1)
626 end = start;
627 try {
628 h.addHighlight(info.start, info.end,
629 new DefaultHighlighter.DefaultHighlightPainter(c));
630 if (info.pos != -1) {
631 Color c2 = new Color(c.getRed(), c.getGreen(), c.getBlue(), (int)(.4f * 255)); // 40%
632 h.addHighlight(info.pos, info.pos + 1,
633 new DefaultHighlighter.DefaultHighlightPainter(c2));
634 }
635 } catch (BadLocationException e) {
636 e.printStackTrace();
637 }
638 }
640 /** Get the minimum valid position in a set of info objects. */
641 private int getMinPos(Info... values) {
642 int i = Integer.MAX_VALUE;
643 for (Info info: values) {
644 if (info.start >= 0) i = Math.min(i, info.start);
645 if (info.pos >= 0) i = Math.min(i, info.pos);
646 if (info.end >= 0) i = Math.min(i, info.end);
647 }
648 return (i == Integer.MAX_VALUE) ? 0 : i;
649 }
651 /** Set the background on a component. */
652 private JComponent setBackground(JComponent comp, Color c) {
653 comp.setOpaque(true);
654 comp.setBackground(c);
655 return comp;
656 }
658 /** Scroll a text area to display a given position near the middle of the visible area. */
659 private void scroll(final JTextArea t, final int pos) {
660 // Using invokeLater appears to give text a chance to sort itself out
661 // before the scroll happens; otherwise scrollRectToVisible doesn't work.
662 // Maybe there's a better way to sync with the text...
663 EventQueue.invokeLater(new Runnable() {
664 public void run() {
665 try {
666 Rectangle r = t.modelToView(pos);
667 JScrollPane p = (JScrollPane) SwingUtilities.getAncestorOfClass(JScrollPane.class, t);
668 r.y = Math.max(0, r.y - p.getHeight() * 2 / 5);
669 r.height += p.getHeight() * 4 / 5;
670 t.scrollRectToVisible(r);
671 } catch (BadLocationException ignore) {
672 }
673 }
674 });
675 }
677 private JComboBox entries;
678 private JTextField checkField;
679 private InfoPanel enclPanel;
680 private InfoPanel selfPanel;
681 private JTextArea body;
682 private JTextField statusText;
684 private Color selfColor = new Color(0.f, 1.f, 0.f, 0.2f); // 20% green
685 private Color enclColor = new Color(1.f, 0.f, 0.f, 0.2f); // 20% red
687 /** Panel to display an Info object. */
688 private class InfoPanel extends JPanel {
689 InfoPanel() {
690 add(tagName = createTextField(20));
691 add(new JLabel("start:"));
692 add(addListener(start = createTextField(6)));
693 add(new JLabel("pos:"));
694 add(addListener(pos = createTextField(6)));
695 add(new JLabel("end:"));
696 add(addListener(end = createTextField(6)));
697 }
699 void setInfo(Info info) {
700 this.info = info;
701 tagName.setText(getTagName(info.tag));
702 start.setText(String.valueOf(info.start));
703 pos.setText(String.valueOf(info.pos));
704 end.setText(String.valueOf(info.end));
705 }
707 JTextField addListener(final JTextField f) {
708 f.addMouseListener(new MouseAdapter() {
709 @Override
710 public void mouseClicked(MouseEvent e) {
711 body.setCaretPosition(Integer.valueOf(f.getText()));
712 body.getCaret().setVisible(true);
713 }
714 });
715 return f;
716 }
718 Info info;
719 JTextField tagName;
720 JTextField start;
721 JTextField pos;
722 JTextField end;
723 }
725 /** Object to record information about an error to be displayed. */
726 private class Entry {
727 Entry(JavaFileObject file, String check, Info encl, Info self) {
728 this.file = file;
729 this.check = check;
730 this.encl = encl;
731 this.self= self;
732 }
734 @Override
735 public String toString() {
736 return file.getName() + " " + check + " " + getMinPos(encl, self);
737 }
739 final JavaFileObject file;
740 final String check;
741 final Info encl;
742 final Info self;
743 }
744 }
745 }