jdk8-mips64-public/langtools: test/tools/javac/failover/CheckAttributedTree.java@954541f13717

8005167: execution time of combo tests in javac should be improved
Reviewed-by: jjg, jjh

     1 /*

     2  * Copyright (c) 2010, 2013, 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 /*

    25  * @test

    26  * @bug 6970584

    27  * @summary assorted position errors in compiler syntax trees

    28  * @library ../lib

    29  * @build JavacTestingAbstractThreadedTest

    30  * @run main CheckAttributedTree -q -r -et ERRONEOUS .

    31  */

    33 import java.awt.BorderLayout;

    34 import java.awt.Color;

    35 import java.awt.Dimension;

    36 import java.awt.EventQueue;

    37 import java.awt.Font;

    38 import java.awt.GridBagConstraints;

    39 import java.awt.GridBagLayout;

    40 import java.awt.Rectangle;

    41 import java.awt.event.ActionEvent;

    42 import java.awt.event.ActionListener;

    43 import java.awt.event.MouseAdapter;

    44 import java.awt.event.MouseEvent;

    45 import java.io.File;

    46 import java.io.IOException;

    47 import java.io.PrintStream;

    48 import java.io.PrintWriter;

    49 import java.io.StringWriter;

    50 import java.lang.reflect.Field;

    51 import java.util.ArrayList;

    52 import java.util.Arrays;

    53 import java.util.concurrent.atomic.AtomicInteger;

    54 import java.util.HashSet;

    55 import java.util.List;

    56 import java.util.Set;

    58 import javax.lang.model.element.Element;

    59 import javax.swing.DefaultComboBoxModel;

    60 import javax.swing.JComboBox;

    61 import javax.swing.JComponent;

    62 import javax.swing.JFrame;

    63 import javax.swing.JLabel;

    64 import javax.swing.JPanel;

    65 import javax.swing.JScrollPane;

    66 import javax.swing.JTextArea;

    67 import javax.swing.JTextField;

    68 import javax.swing.SwingUtilities;

    69 import javax.swing.event.CaretEvent;

    70 import javax.swing.event.CaretListener;

    71 import javax.swing.text.BadLocationException;

    72 import javax.swing.text.DefaultHighlighter;

    73 import javax.swing.text.Highlighter;

    74 import javax.tools.Diagnostic;

    75 import javax.tools.DiagnosticListener;

    76 import javax.tools.JavaFileObject;

    78 import com.sun.source.tree.CompilationUnitTree;

    79 import com.sun.source.util.TaskEvent;

    80 import com.sun.source.util.JavacTask;

    81 import com.sun.source.util.TaskListener;

    82 import com.sun.tools.javac.code.Symbol;

    83 import com.sun.tools.javac.code.Type;

    84 import com.sun.tools.javac.tree.EndPosTable;

    85 import com.sun.tools.javac.tree.JCTree;

    86 import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;

    87 import com.sun.tools.javac.tree.JCTree.JCImport;

    88 import com.sun.tools.javac.tree.TreeInfo;

    89 import com.sun.tools.javac.tree.TreeScanner;

    90 import com.sun.tools.javac.util.Pair;

    92 import static com.sun.tools.javac.tree.JCTree.Tag.*;

    94 /**

    95  * Utility and test program to check validity of tree positions for tree nodes.

    96  * The program can be run standalone, or as a jtreg test.  In standalone mode,

    97  * errors can be displayed in a gui viewer. For info on command line args,

    98  * run program with no args.

    99  *

   100  * <p>

   101  * jtreg: Note that by using the -r switch in the test description below, this test

   102  * will process all java files in the langtools/test directory, thus implicitly

   103  * covering any new language features that may be tested in this test suite.

   104  */

   106 public class CheckAttributedTree extends JavacTestingAbstractThreadedTest {

   107     /**

   108      * Main entry point.

   109      * If test.src is set, program runs in jtreg mode, and will throw an Error

   110      * if any errors arise, otherwise System.exit will be used, unless the gui

   111      * viewer is being used. In jtreg mode, the default base directory for file

   112      * args is the value of ${test.src}. In jtreg mode, the -r option can be

   113      * given to change the default base directory to the root test directory.

   114      */

   115     public static void main(String... args) throws Exception {

   116         String testSrc = System.getProperty("test.src");

   117         File baseDir = (testSrc == null) ? null : new File(testSrc);

   118         throwAssertionOnError = false;

   119         boolean ok = new CheckAttributedTree().run(baseDir, args);

   120         if (!ok) {

   121             if (testSrc != null)  // jtreg mode

   122                 throw new Error("failed");

   123             else

   124                 System.exit(1);

   125         }

   126     }

   128     /**

   129      * Run the program. A base directory can be provided for file arguments.

   130      * In jtreg mode, the -r option can be given to change the default base

   131      * directory to the test root directory. For other options, see usage().

   132      * @param baseDir base directory for any file arguments.

   133      * @param args command line args

   134      * @return true if successful or in gui mode

   135      */

   136     boolean run(File baseDir, String... args) throws Exception {

   137         if (args.length == 0) {

   138             usage(System.out);

   139             return true;

   140         }

   142         List<File> files = new ArrayList<File>();

   143         for (int i = 0; i < args.length; i++) {

   144             String arg = args[i];

   145             if (arg.equals("-encoding") && i + 1 < args.length)

   146                 encoding = args[++i];

   147             else if (arg.equals("-gui"))

   148                 gui = true;

   149             else if (arg.equals("-q"))

   150                 quiet = true;

   151             else if (arg.equals("-v")) {

   152                 verbose = true;

   153                 printAll = true;

   154             }

   155             else if (arg.equals("-t") && i + 1 < args.length)

   156                 tags.add(args[++i]);

   157             else if (arg.equals("-ef") && i + 1 < args.length)

   158                 excludeFiles.add(new File(baseDir, args[++i]));

   159             else if (arg.equals("-et") && i + 1 < args.length)

   160                 excludeTags.add(args[++i]);

   161             else if (arg.equals("-r")) {

   162                 if (excludeFiles.size() > 0)

   163                     throw new Error("-r must be used before -ef");

   164                 File d = baseDir;

   165                 while (!new File(d, "TEST.ROOT").exists()) {

   166                     if (d == null)

   167                         throw new Error("cannot find TEST.ROOT");

   168                     d = d.getParentFile();

   169                 }

   170                 baseDir = d;

   171             }

   172             else if (arg.startsWith("-"))

   173                 throw new Error("unknown option: " + arg);

   174             else {

   175                 while (i < args.length)

   176                     files.add(new File(baseDir, args[i++]));

   177             }

   178         }

   180         for (File file: files) {

   181             if (file.exists())

   182                 test(file);

   183             else

   184                 error("File not found: " + file);

   185         }

   187         if (fileCount.get() != 1)

   188             errWriter.println(fileCount + " files read");

   189         checkAfterExec(false);

   191         return (gui || errCount.get() == 0);

   192     }

   194     /**

   195      * Print command line help.

   196      * @param out output stream

   197      */

   198     void usage(PrintStream out) {

   199         out.println("Usage:");

   200         out.println("  java CheckAttributedTree options... files...");

   201         out.println("");

   202         out.println("where options include:");

   203         out.println("-q        Quiet: don't report on inapplicable files");

   204         out.println("-gui      Display returns in a GUI viewer");

   205         out.println("-v        Verbose: report on files as they are being read");

   206         out.println("-t tag    Limit checks to tree nodes with this tag");

   207         out.println("          Can be repeated if desired");

   208         out.println("-ef file  Exclude file or directory");

   209         out.println("-et tag   Exclude tree nodes with given tag name");

   210         out.println("");

   211         out.println("files may be directories or files");

   212         out.println("directories will be scanned recursively");

   213         out.println("non java files, or java files which cannot be parsed, will be ignored");

   214         out.println("");

   215     }

   217     /**

   218      * Test a file. If the file is a directory, it will be recursively scanned

   219      * for java files.

   220      * @param file the file or directory to test

   221      */

   222     void test(final File file) {

   223         if (excludeFiles.contains(file)) {

   224             if (!quiet)

   225                 error("File " + file + " excluded");

   226             return;

   227         }

   229         if (file.isDirectory()) {

   230             for (File f: file.listFiles()) {

   231                 test(f);

   232             }

   233             return;

   234         }

   236         if (file.isFile() && file.getName().endsWith(".java")) {

   237             pool.execute(new Runnable() {

   238                 @Override

   239                 public void run() {

   240                     try {

   241                         if (verbose)

   242                             errWriter.println(file);

   243                         fileCount.incrementAndGet();

   244                         NPETester p = new NPETester();

   245                         p.test(read(file));

   246                     } catch (AttributionException e) {

   247                         if (!quiet) {

   248                             error("Error attributing " + file + "\n" + e.getMessage());

   249                         }

   250                     } catch (IOException e) {

   251                         error("Error reading " + file + ": " + e);

   252                     }

   253                 }

   254             });

   255         }

   257         if (!quiet)

   258             error("File " + file + " ignored");

   259     }

   261     // See CR:  6982992 Tests CheckAttributedTree.java, JavacTreeScannerTest.java, and SourceTreeeScannerTest.java timeout

   262     StringWriter sw = new StringWriter();

   263     PrintWriter pw = new PrintWriter(sw);

   264     Reporter r = new Reporter(pw);

   266     /**

   267      * Read a file.

   268      * @param file the file to be read

   269      * @return the tree for the content of the file

   270      * @throws IOException if any IO errors occur

   271      * @throws TreePosTest.ParseException if any errors occur while parsing the file

   272      */

   273     List<Pair<JCCompilationUnit, JCTree>> read(File file) throws IOException, AttributionException {

   274         r.errors = 0;

   275         Iterable<? extends JavaFileObject> files = fm.get().getJavaFileObjects(file);

   276         String[] opts = { "-XDshouldStopPolicy=ATTR", "-XDverboseCompilePolicy" };

   277         JavacTask task = (JavacTask)comp.getTask(pw, fm.get(), r, Arrays.asList(opts), null, files);

   278         final List<Element> analyzedElems = new ArrayList<>();

   279         task.setTaskListener(new TaskListener() {

   280             public void started(TaskEvent e) {

   281                 if (e.getKind() == TaskEvent.Kind.ANALYZE)

   282                         analyzedElems.add(e.getTypeElement());

   283             }

   284             public void finished(TaskEvent e) { }

   285         });

   287         try {

   288             Iterable<? extends CompilationUnitTree> trees = task.parse();

   289             task.analyze();

   290             List<Pair<JCCompilationUnit, JCTree>> res = new ArrayList<>();

   291             //System.out.println("Try to add pairs. Elems are " + analyzedElems);

   292             for (CompilationUnitTree t : trees) {

   293                JCCompilationUnit cu = (JCCompilationUnit)t;

   294                for (JCTree def : cu.defs) {

   295                    if (def.hasTag(CLASSDEF) &&

   296                            analyzedElems.contains(((JCTree.JCClassDecl)def).sym)) {

   297                        //System.out.println("Adding pair...");

   298                        res.add(new Pair<>(cu, def));

   299                    }

   300                }

   301             }

   302             return res;

   303         }

   304         catch (Throwable t) {

   305             throw new AttributionException("Exception while attributing file: " + file);

   306         }

   307     }

   309     /**

   310      * Report an error. When the program is complete, the program will either

   311      * exit or throw an Error if any errors have been reported.

   312      * @param msg the error message

   313      */

   314     void error(String msg) {

   315         System.err.println(msg);

   316         errCount.incrementAndGet();

   317     }

   319     /** Flag: don't report irrelevant files. */

   320     boolean quiet;

   321     /** Flag: show errors in GUI viewer. */

   322     boolean gui;

   323     /** The GUI viewer for errors. */

   324     Viewer viewer;

   325     /** Flag: report files as they are processed. */

   326     boolean verbose;

   327     /** Option: encoding for test files. */

   328     String encoding;

   329     /** The set of tags for tree nodes to be analyzed; if empty, all tree nodes

   330      * are analyzed. */

   331     Set<String> tags = new HashSet<String>();

   332     /** Set of files and directories to be excluded from analysis. */

   333     Set<File> excludeFiles = new HashSet<File>();

   334     /** Set of tag names to be excluded from analysis. */

   335     Set<String> excludeTags = new HashSet<String>();

   336     /** Utility class for trees */

   337     TreeUtil treeUtil = new TreeUtil();

   339     /**

   340      * Main class for testing assertions concerning types/symbol

   341      * left uninitialized after attribution

   342      */

   343     private class NPETester extends TreeScanner {

   344         void test(List<Pair<JCCompilationUnit, JCTree>> trees) {

   345             for (Pair<JCCompilationUnit, JCTree> p : trees) {

   346                 sourcefile = p.fst.sourcefile;

   347                 endPosTable = p.fst.endPositions;

   348                 encl = new Info(p.snd, endPosTable);

   349                 p.snd.accept(this);

   350             }

   351         }

   353         @Override

   354         public void scan(JCTree tree) {

   355             if (tree == null ||

   356                     excludeTags.contains(treeUtil.nameFromTag(tree.getTag()))) {

   357                 return;

   358             }

   360             Info self = new Info(tree, endPosTable);

   361             check(!mandatoryType(tree) ||

   362                     (tree.type != null &&

   363                     checkFields(tree)),

   364                     "'null' found in tree ",

   365                     self);

   367             Info prevEncl = encl;

   368             encl = self;

   369             tree.accept(this);

   370             encl = prevEncl;

   371         }

   373         private boolean mandatoryType(JCTree that) {

   374             return that instanceof JCTree.JCExpression ||

   375                     that.hasTag(VARDEF) ||

   376                     that.hasTag(METHODDEF) ||

   377                     that.hasTag(CLASSDEF);

   378         }

   380         private final List<String> excludedFields = Arrays.asList("varargsElement", "targetType");

   382         void check(boolean ok, String label, Info self) {

   383             if (!ok) {

   384                 if (gui) {

   385                     if (viewer == null)

   386                         viewer = new Viewer();

   387                     viewer.addEntry(sourcefile, label, encl, self);

   388                 }

   389                 error(label + self.toString() + " encl: " + encl.toString() +

   390                         " in file: " + sourcefile + "  " + self.tree);

   391             }

   392         }

   394         boolean checkFields(JCTree t) {

   395             List<Field> fieldsToCheck = treeUtil.getFieldsOfType(t,

   396                     excludedFields,

   397                     Symbol.class,

   398                     Type.class);

   399             for (Field f : fieldsToCheck) {

   400                 try {

   401                     if (f.get(t) == null) {

   402                         return false;

   403                     }

   404                 }

   405                 catch (IllegalAccessException e) {

   406                     System.err.println("Cannot read field: " + f);

   407                     //swallow it

   408                 }

   409             }

   410             return true;

   411         }

   413         @Override

   414         public void visitImport(JCImport tree) { }

   416         @Override

   417         public void visitTopLevel(JCCompilationUnit tree) {

   418             scan(tree.defs);

   419         }

   421         JavaFileObject sourcefile;

   422         EndPosTable endPosTable;

   423         Info encl;

   424     }

   426     /**

   427      * Utility class providing easy access to position and other info for a tree node.

   428      */

   429     private class Info {

   430         Info() {

   431             tree = null;

   432             tag = ERRONEOUS;

   433             start = 0;

   434             pos = 0;

   435             end = Integer.MAX_VALUE;

   436         }

   438         Info(JCTree tree, EndPosTable endPosTable) {

   439             this.tree = tree;

   440             tag = tree.getTag();

   441             start = TreeInfo.getStartPos(tree);

   442             pos = tree.pos;

   443             end = TreeInfo.getEndPos(tree, endPosTable);

   444         }

   446         @Override

   447         public String toString() {

   448             return treeUtil.nameFromTag(tree.getTag()) + "[start:" + start + ",pos:" + pos + ",end:" + end + "]";

   449         }

   451         final JCTree tree;

   452         final JCTree.Tag tag;

   453         final int start;

   454         final int pos;

   455         final int end;

   456     }

   458     /**

   459      * Names for tree tags.

   460      */

   461     private static class TreeUtil {

   462         String nameFromTag(JCTree.Tag tag) {

   463             String name = tag.name();

   464             return (name == null) ? "??" : name;

   465         }

   467         List<Field> getFieldsOfType(JCTree t, List<String> excludeNames, Class<?>... types) {

   468             List<Field> buf = new ArrayList<Field>();

   469             for (Field f : t.getClass().getDeclaredFields()) {

   470                 if (!excludeNames.contains(f.getName())) {

   471                     for (Class<?> type : types) {

   472                         if (type.isAssignableFrom(f.getType())) {

   473                             f.setAccessible(true);

   474                             buf.add(f);

   475                             break;

   476                         }

   477                     }

   478                 }

   479             }

   480             return buf;

   481         }

   482     }

   484     /**

   485      * Thrown when errors are found parsing a java file.

   486      */

   487     private static class ParseException extends Exception {

   488         ParseException(String msg) {

   489             super(msg);

   490         }

   491     }

   493     private static class AttributionException extends Exception {

   494         AttributionException(String msg) {

   495             super(msg);

   496         }

   497     }

   499     /**

   500      * DiagnosticListener to report diagnostics and count any errors that occur.

   501      */

   502     private static class Reporter implements DiagnosticListener<JavaFileObject> {

   503         Reporter(PrintWriter out) {

   504             this.out = out;

   505         }

   507         public void report(Diagnostic<? extends JavaFileObject> diagnostic) {

   508             out.println(diagnostic);

   509             switch (diagnostic.getKind()) {

   510                 case ERROR:

   511                     errors++;

   512             }

   513         }

   514         int errors;

   515         PrintWriter out;

   516     }

   518     /**

   519      * GUI viewer for issues found by TreePosTester. The viewer provides a drop

   520      * down list for selecting error conditions, a header area providing details

   521      * about an error, and a text area with the ranges of text highlighted as

   522      * appropriate.

   523      */

   524     private class Viewer extends JFrame {

   525         /**

   526          * Create a viewer.

   527          */

   528         Viewer() {

   529             initGUI();

   530         }

   532         /**

   533          * Add another entry to the list of errors.

   534          * @param file The file containing the error

   535          * @param check The condition that was being tested, and which failed

   536          * @param encl the enclosing tree node

   537          * @param self the tree node containing the error

   538          */

   539         void addEntry(JavaFileObject file, String check, Info encl, Info self) {

   540             Entry e = new Entry(file, check, encl, self);

   541             DefaultComboBoxModel m = (DefaultComboBoxModel) entries.getModel();

   542             m.addElement(e);

   543             if (m.getSize() == 1)

   544                 entries.setSelectedItem(e);

   545         }

   547         /**

   548          * Initialize the GUI window.

   549          */

   550         private void initGUI() {

   551             JPanel head = new JPanel(new GridBagLayout());

   552             GridBagConstraints lc = new GridBagConstraints();

   553             GridBagConstraints fc = new GridBagConstraints();

   554             fc.anchor = GridBagConstraints.WEST;

   555             fc.fill = GridBagConstraints.HORIZONTAL;

   556             fc.gridwidth = GridBagConstraints.REMAINDER;

   558             entries = new JComboBox();

   559             entries.addActionListener(new ActionListener() {

   560                 public void actionPerformed(ActionEvent e) {

   561                     showEntry((Entry) entries.getSelectedItem());

   562                 }

   563             });

   564             fc.insets.bottom = 10;

   565             head.add(entries, fc);

   566             fc.insets.bottom = 0;

   567             head.add(new JLabel("check:"), lc);

   568             head.add(checkField = createTextField(80), fc);

   569             fc.fill = GridBagConstraints.NONE;

   570             head.add(setBackground(new JLabel("encl:"), enclColor), lc);

   571             head.add(enclPanel = new InfoPanel(), fc);

   572             head.add(setBackground(new JLabel("self:"), selfColor), lc);

   573             head.add(selfPanel = new InfoPanel(), fc);

   574             add(head, BorderLayout.NORTH);

   576             body = new JTextArea();

   577             body.setFont(Font.decode(Font.MONOSPACED));

   578             body.addCaretListener(new CaretListener() {

   579                 public void caretUpdate(CaretEvent e) {

   580                     int dot = e.getDot();

   581                     int mark = e.getMark();

   582                     if (dot == mark)

   583                         statusText.setText("dot: " + dot);

   584                     else

   585                         statusText.setText("dot: " + dot + ", mark:" + mark);

   586                 }

   587             });

   588             JScrollPane p = new JScrollPane(body,

   589                     JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,

   590                     JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);

   591             p.setPreferredSize(new Dimension(640, 480));

   592             add(p, BorderLayout.CENTER);

   594             statusText = createTextField(80);

   595             add(statusText, BorderLayout.SOUTH);

   597             pack();

   598             setLocationRelativeTo(null); // centered on screen

   599             setVisible(true);

   600             setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

   601         }

   603         /** Show an entry that has been selected. */

   604         private void showEntry(Entry e) {

   605             try {

   606                 // update simple fields

   607                 setTitle(e.file.getName());

   608                 checkField.setText(e.check);

   609                 enclPanel.setInfo(e.encl);

   610                 selfPanel.setInfo(e.self);

   611                 // show file text with highlights

   612                 body.setText(e.file.getCharContent(true).toString());

   613                 Highlighter highlighter = body.getHighlighter();

   614                 highlighter.removeAllHighlights();

   615                 addHighlight(highlighter, e.encl, enclColor);

   616                 addHighlight(highlighter, e.self, selfColor);

   617                 scroll(body, getMinPos(enclPanel.info, selfPanel.info));

   618             } catch (IOException ex) {

   619                 body.setText("Cannot read " + e.file.getName() + ": " + e);

   620             }

   621         }

   623         /** Create a test field. */

   624         private JTextField createTextField(int width) {

   625             JTextField f = new JTextField(width);

   626             f.setEditable(false);

   627             f.setBorder(null);

   628             return f;

   629         }

   631         /** Add a highlighted region based on the positions in an Info object. */

   632         private void addHighlight(Highlighter h, Info info, Color c) {

   633             int start = info.start;

   634             int end = info.end;

   635             if (start == -1 && end == -1)

   636                 return;

   637             if (start == -1)

   638                 start = end;

   639             if (end == -1)

   640                 end = start;

   641             try {

   642                 h.addHighlight(info.start, info.end,

   643                         new DefaultHighlighter.DefaultHighlightPainter(c));

   644                 if (info.pos != -1) {

   645                     Color c2 = new Color(c.getRed(), c.getGreen(), c.getBlue(), (int)(.4f * 255)); // 40%

   646                     h.addHighlight(info.pos, info.pos + 1,

   647                         new DefaultHighlighter.DefaultHighlightPainter(c2));

   648                 }

   649             } catch (BadLocationException e) {

   650                 e.printStackTrace();

   651             }

   652         }

   654         /** Get the minimum valid position in a set of info objects. */

   655         private int getMinPos(Info... values) {

   656             int i = Integer.MAX_VALUE;

   657             for (Info info: values) {

   658                 if (info.start >= 0) i = Math.min(i, info.start);

   659                 if (info.pos   >= 0) i = Math.min(i, info.pos);

   660                 if (info.end   >= 0) i = Math.min(i, info.end);

   661             }

   662             return (i == Integer.MAX_VALUE) ? 0 : i;

   663         }

   665         /** Set the background on a component. */

   666         private JComponent setBackground(JComponent comp, Color c) {

   667             comp.setOpaque(true);

   668             comp.setBackground(c);

   669             return comp;

   670         }

   672         /** Scroll a text area to display a given position near the middle of the visible area. */

   673         private void scroll(final JTextArea t, final int pos) {

   674             // Using invokeLater appears to give text a chance to sort itself out

   675             // before the scroll happens; otherwise scrollRectToVisible doesn't work.

   676             // Maybe there's a better way to sync with the text...

   677             EventQueue.invokeLater(new Runnable() {

   678                 public void run() {

   679                     try {

   680                         Rectangle r = t.modelToView(pos);

   681                         JScrollPane p = (JScrollPane) SwingUtilities.getAncestorOfClass(JScrollPane.class, t);

   682                         r.y = Math.max(0, r.y - p.getHeight() * 2 / 5);

   683                         r.height += p.getHeight() * 4 / 5;

   684                         t.scrollRectToVisible(r);

   685                     } catch (BadLocationException ignore) {

   686                     }

   687                 }

   688             });

   689         }

   691         private JComboBox entries;

   692         private JTextField checkField;

   693         private InfoPanel enclPanel;

   694         private InfoPanel selfPanel;

   695         private JTextArea body;

   696         private JTextField statusText;

   698         private Color selfColor = new Color(0.f, 1.f, 0.f, 0.2f); // 20% green

   699         private Color enclColor = new Color(1.f, 0.f, 0.f, 0.2f); // 20% red

   701         /** Panel to display an Info object. */

   702         private class InfoPanel extends JPanel {

   703             InfoPanel() {

   704                 add(tagName = createTextField(20));

   705                 add(new JLabel("start:"));

   706                 add(addListener(start = createTextField(6)));

   707                 add(new JLabel("pos:"));

   708                 add(addListener(pos = createTextField(6)));

   709                 add(new JLabel("end:"));

   710                 add(addListener(end = createTextField(6)));

   711             }

   713             void setInfo(Info info) {

   714                 this.info = info;

   715                 tagName.setText(treeUtil.nameFromTag(info.tag));

   716                 start.setText(String.valueOf(info.start));

   717                 pos.setText(String.valueOf(info.pos));

   718                 end.setText(String.valueOf(info.end));

   719             }

   721             JTextField addListener(final JTextField f) {

   722                 f.addMouseListener(new MouseAdapter() {

   723                     @Override

   724                     public void mouseClicked(MouseEvent e) {

   725                         body.setCaretPosition(Integer.valueOf(f.getText()));

   726                         body.getCaret().setVisible(true);

   727                     }

   728                 });

   729                 return f;

   730             }

   732             Info info;

   733             JTextField tagName;

   734             JTextField start;

   735             JTextField pos;

   736             JTextField end;

   737         }

   739         /** Object to record information about an error to be displayed. */

   740         private class Entry {

   741             Entry(JavaFileObject file, String check, Info encl, Info self) {

   742                 this.file = file;

   743                 this.check = check;

   744                 this.encl = encl;

   745                 this.self= self;

   746             }

   748             @Override

   749             public String toString() {

   750                 return file.getName() + " " + check + " " + getMinPos(encl, self);

   751             }

   753             final JavaFileObject file;

   754             final String check;

   755             final Info encl;

   756             final Info self;

   757         }

   758     }

   760     /** Number of files that have been analyzed. */

   761     static AtomicInteger fileCount = new AtomicInteger();

   763 }

Mercurial > jdk8-mips64-public > langtools / file revision

test/tools/javac/failover/CheckAttributedTree.java@954541f13717

test/tools/javac/failover/CheckAttributedTree.java