jdk8-mips64-public/langtools: test/tools/javac/tree/TreePosTest.java@959103a6100f (annotated)

test/tools/javac/tree/TreePosTest.java@959103a6100f (annotated)

test/tools/javac/tree/TreePosTest.java

Wed, 27 Apr 2016 01:34:52 +0800

author: aoqi
date: Wed, 27 Apr 2016 01:34:52 +0800
changeset 0: 959103a6100f
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

 /*
  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 import java.awt.BorderLayout;
 import java.awt.Color;
 import java.awt.Dimension;
 import java.awt.EventQueue;
 import java.awt.Font;
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
 import java.awt.Rectangle;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.io.File;
 import java.io.IOException;
 import java.io.PrintStream;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
 import java.nio.charset.Charset;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import javax.swing.DefaultComboBoxModel;
 import javax.swing.JComboBox;
 import javax.swing.JComponent;
 import javax.swing.JFrame;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
 import javax.swing.JTextArea;
 import javax.swing.JTextField;
 import javax.swing.SwingUtilities;
 import javax.swing.event.CaretEvent;
 import javax.swing.event.CaretListener;
 import javax.swing.text.BadLocationException;
 import javax.swing.text.DefaultHighlighter;
 import javax.swing.text.Highlighter;
 import javax.tools.Diagnostic;
 import javax.tools.DiagnosticListener;
 import javax.tools.JavaFileObject;
 import javax.tools.StandardJavaFileManager;
 import com.sun.source.tree.CompilationUnitTree;
 import com.sun.source.util.JavacTask;
 import com.sun.tools.javac.api.JavacTool;
 import com.sun.tools.javac.code.Flags;
 import com.sun.tools.javac.tree.EndPosTable;
 import com.sun.tools.javac.tree.JCTree;
 import com.sun.tools.javac.tree.JCTree.JCAnnotatedType;
 import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
 import com.sun.tools.javac.tree.JCTree.JCNewClass;
 import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
 import com.sun.tools.javac.tree.TreeInfo;
 import com.sun.tools.javac.tree.TreeScanner;
 import static com.sun.tools.javac.tree.JCTree.Tag.*;
 import static com.sun.tools.javac.util.Position.NOPOS;
 /**
  * Utility and test program to check validity of tree positions for tree nodes.
  * The program can be run standalone, or as a jtreg test.  In standalone mode,
  * errors can be displayed in a gui viewer. For info on command line args,
  * run program with no args.
  *
  * <p>
  * jtreg: Note that by using the -r switch in the test description below, this test
  * will process all java files in the langtools/test directory, thus implicitly
  * covering any new language features that may be tested in this test suite.
  */
 /*
  * @test
  * @bug 6919889
  * @summary assorted position errors in compiler syntax trees
  * OLD: -q -r -ef ./tools/javac/typeAnnotations -ef ./tools/javap/typeAnnotations -et ANNOTATED_TYPE .
  * @run main TreePosTest -q -r .
  */
 public class TreePosTest {
     /**
      * Main entry point.
      * If test.src is set, program runs in jtreg mode, and will throw an Error
      * if any errors arise, otherwise System.exit will be used, unless the gui
      * viewer is being used. In jtreg mode, the default base directory for file
      * args is the value of ${test.src}. In jtreg mode, the -r option can be
      * given to change the default base directory to the root test directory.
      */
     public static void main(String... args) {
         String testSrc = System.getProperty("test.src");
         File baseDir = (testSrc == null) ? null : new File(testSrc);
         boolean ok = new TreePosTest().run(baseDir, args);
         if (!ok) {
             if (testSrc != null)  // jtreg mode
                 throw new Error("failed");
             else
                 System.exit(1);
         }
     }
     /**
      * Run the program. A base directory can be provided for file arguments.
      * In jtreg mode, the -r option can be given to change the default base
      * directory to the test root directory. For other options, see usage().
      * @param baseDir base directory for any file arguments.
      * @param args command line args
      * @return true if successful or in gui mode
      */
     boolean run(File baseDir, String... args) {
         if (args.length == 0) {
             usage(System.out);
             return true;
         }
         List<File> files = new ArrayList<File>();
         for (int i = 0; i < args.length; i++) {
             String arg = args[i];
             if (arg.equals("-encoding") && i + 1 < args.length)
                 encoding = args[++i];
             else if (arg.equals("-gui"))
                 gui = true;
             else if (arg.equals("-q"))
                 quiet = true;
             else if (arg.equals("-v"))
                 verbose = true;
             else if (arg.equals("-t") && i + 1 < args.length)
                 tags.add(args[++i]);
             else if (arg.equals("-ef") && i + 1 < args.length)
                 excludeFiles.add(new File(baseDir, args[++i]));
             else if (arg.equals("-et") && i + 1 < args.length)
                 excludeTags.add(args[++i]);
             else if (arg.equals("-r")) {
                 if (excludeFiles.size() > 0)
                     throw new Error("-r must be used before -ef");
                 File d = baseDir;
                 while (!new File(d, "TEST.ROOT").exists()) {
                     d = d.getParentFile();
                     if (d == null)
                         throw new Error("cannot find TEST.ROOT");
                 }
                 baseDir = d;
             }
             else if (arg.startsWith("-"))
                 throw new Error("unknown option: " + arg);
             else {
                 while (i < args.length)
                     files.add(new File(baseDir, args[i++]));
             }
         }
         for (File file: files) {
             if (file.exists())
                 test(file);
             else
                 error("File not found: " + file);
         }
         if (fileCount != 1)
             System.err.println(fileCount + " files read");
         if (errors > 0)
             System.err.println(errors + " errors");
         return (gui || errors == 0);
     }
     /**
      * Print command line help.
      * @param out output stream
      */
     void usage(PrintStream out) {
         out.println("Usage:");
         out.println("  java TreePosTest options... files...");
         out.println("");
         out.println("where options include:");
         out.println("-gui      Display returns in a GUI viewer");
         out.println("-q        Quiet: don't report on inapplicable files");
         out.println("-v        Verbose: report on files as they are being read");
         out.println("-t tag    Limit checks to tree nodes with this tag");
         out.println("          Can be repeated if desired");
         out.println("-ef file  Exclude file or directory");
         out.println("-et tag   Exclude tree nodes with given tag name");
         out.println("");
         out.println("files may be directories or files");
         out.println("directories will be scanned recursively");
         out.println("non java files, or java files which cannot be parsed, will be ignored");
         out.println("");
     }
     /**
      * Test a file. If the file is a directory, it will be recursively scanned
      * for java files.
      * @param file the file or directory to test
      */
     void test(File file) {
         if (excludeFiles.contains(file)) {
             if (!quiet)
                 error("File " + file + " excluded");
             return;
         }
         if (file.isDirectory()) {
             for (File f: file.listFiles()) {
                 test(f);
             }
             return;
         }
         if (file.isFile() && file.getName().endsWith(".java")) {
             try {
                 if (verbose)
                     System.err.println(file);
                 fileCount++;
                 PosTester p = new PosTester();
                 p.test(read(file));
             } catch (ParseException e) {
                 if (!quiet) {
                     error("Error parsing " + file + "\n" + e.getMessage());
                 }
             } catch (IOException e) {
                 error("Error reading " + file + ": " + e);
             }
             return;
         }
         if (!quiet)
             error("File " + file + " ignored");
     }
     // See CR:  6982992 Tests CheckAttributedTree.java, JavacTreeScannerTest.java, and SourceTreeeScannerTest.java timeout
     StringWriter sw = new StringWriter();
     PrintWriter pw = new PrintWriter(sw);
     Reporter r = new Reporter(pw);
     JavacTool tool = JavacTool.create();
     StandardJavaFileManager fm = tool.getStandardFileManager(r, null, null);
     /**
      * Read a file.
      * @param file the file to be read
      * @return the tree for the content of the file
      * @throws IOException if any IO errors occur
      * @throws TreePosTest.ParseException if any errors occur while parsing the file
      */
     JCCompilationUnit read(File file) throws IOException, ParseException {
         JavacTool tool = JavacTool.create();
         r.errors = 0;
         Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(file);
         JavacTask task = tool.getTask(pw, fm, r, Collections.<String>emptyList(), null, files);
         Iterable<? extends CompilationUnitTree> trees = task.parse();
         pw.flush();
         if (r.errors > 0)
             throw new ParseException(sw.toString());
         Iterator<? extends CompilationUnitTree> iter = trees.iterator();
         if (!iter.hasNext())
             throw new Error("no trees found");
         JCCompilationUnit t = (JCCompilationUnit) iter.next();
         if (iter.hasNext())
             throw new Error("too many trees found");
         return t;
     }
     /**
      * Report an error. When the program is complete, the program will either
      * exit or throw an Error if any errors have been reported.
      * @param msg the error message
      */
     void error(String msg) {
         System.err.println(msg);
         errors++;
     }
     /**
      * Names for tree tags.
      */
     private static String getTagName(JCTree.Tag tag) {
         String name = tag.name();
         return (name == null) ? "??" : name;
     }
     /** Number of files that have been analyzed. */
     int fileCount;
     /** Number of errors reported. */
     int errors;
     /** Flag: don't report irrelevant files. */
     boolean quiet;
     /** Flag: report files as they are processed. */
     boolean verbose;
     /** Flag: show errors in GUI viewer. */
     boolean gui;
     /** Option: encoding for test files. */
     String encoding;
     /** The GUI viewer for errors. */
     Viewer viewer;
     /** The set of tags for tree nodes to be analyzed; if empty, all tree nodes
      * are analyzed. */
     Set<String> tags = new HashSet<String>();
     /** Set of files and directories to be excluded from analysis. */
     Set<File> excludeFiles = new HashSet<File>();
     /** Set of tag names to be excluded from analysis. */
     Set<String> excludeTags = new HashSet<String>();
     /**
      * Main class for testing assertions concerning tree positions for tree nodes.
      */
     private class PosTester extends TreeScanner {
         void test(JCCompilationUnit tree) {
             sourcefile = tree.sourcefile;
             endPosTable = tree.endPositions;
             encl = new Info();
             tree.accept(this);
         }
         @Override
         public void scan(JCTree tree) {
             if (tree == null)
                 return;
             Info self = new Info(tree, endPosTable);
             if (check(encl, self)) {
                 // Modifiers nodes are present throughout the tree even where
                 // there is no corresponding source text.
                 // Redundant semicolons in a class definition can cause empty
                 // initializer blocks with no positions.
                 if ((self.tag == MODIFIERS || self.tag == BLOCK)
                         && self.pos == NOPOS) {
                     // If pos is NOPOS, so should be the start and end positions
                     check("start == NOPOS", encl, self, self.start == NOPOS);
                     check("end == NOPOS", encl, self, self.end == NOPOS);
                 } else {
                     // For this node, start , pos, and endpos should be all defined
                     check("start != NOPOS", encl, self, self.start != NOPOS);
                     check("pos != NOPOS", encl, self, self.pos != NOPOS);
                     check("end != NOPOS", encl, self, self.end != NOPOS);
                     // The following should normally be ordered
                     // encl.start <= start <= pos <= end <= encl.end
                     // In addition, the position of the enclosing node should be
                     // within this node.
                     // The primary exceptions are for array type nodes, because of the
                     // need to support legacy syntax:
                     //    e.g.    int a[];    int[] b[];    int f()[] { return null; }
                     // and because of inconsistent nesting of left and right of
                     // array declarations:
                     //    e.g.    int[][] a = new int[2][];
                     check("encl.start <= start", encl, self, encl.start <= self.start);
                     check("start <= pos", encl, self, self.start <= self.pos);
                     if (!( (self.tag == TYPEARRAY ||
                             isAnnotatedArray(self.tree))
                             && (encl.tag == VARDEF ||
                                 encl.tag == METHODDEF ||
                                 encl.tag == TYPEARRAY ||
                                 isAnnotatedArray(encl.tree))
                            ||
                             encl.tag == ANNOTATED_TYPE && self.tag == SELECT
                          )) {
                         check("encl.pos <= start || end <= encl.pos",
                                 encl, self, encl.pos <= self.start || self.end <= encl.pos);
                     }
                     check("pos <= end", encl, self, self.pos <= self.end);
                     if (!( (self.tag == TYPEARRAY || isAnnotatedArray(self.tree)) &&
                             (encl.tag == TYPEARRAY || isAnnotatedArray(encl.tree))
                            ||
                             encl.tag == MODIFIERS && self.tag == ANNOTATION
                          ) ) {
                         check("end <= encl.end", encl, self, self.end <= encl.end);
                     }
                 }
             }
             Info prevEncl = encl;
             encl = self;
             tree.accept(this);
             encl = prevEncl;
         }
         private boolean isAnnotatedArray(JCTree tree) {
             return tree.hasTag(ANNOTATED_TYPE) &&
                             ((JCAnnotatedType)tree).underlyingType.hasTag(TYPEARRAY);
         }
         @Override
         public void visitVarDef(JCVariableDecl tree) {
             // enum member declarations are desugared in the parser and have
             // ill-defined semantics for tree positions, so for now, we
             // skip the synthesized bits and just check parts which came from
             // the original source text
             if ((tree.mods.flags & Flags.ENUM) != 0) {
                 scan(tree.mods);
                 if (tree.init != null) {
                     if (tree.init.hasTag(NEWCLASS)) {
                         JCNewClass init = (JCNewClass) tree.init;
                         if (init.args != null && init.args.nonEmpty()) {
                             scan(init.args);
                         }
                         if (init.def != null && init.def.defs != null) {
                             scan(init.def.defs);
                         }
                     }
                 }
             } else
                 super.visitVarDef(tree);
         }
         boolean check(Info encl, Info self) {
             if (excludeTags.size() > 0) {
                 if (encl != null && excludeTags.contains(getTagName(encl.tag))
                         || excludeTags.contains(getTagName(self.tag)))
                     return false;
             }
             return tags.size() == 0 || tags.contains(getTagName(self.tag));
         }
         void check(String label, Info encl, Info self, boolean ok) {
             if (!ok) {
                 if (gui) {
                     if (viewer == null)
                         viewer = new Viewer();
                     viewer.addEntry(sourcefile, label, encl, self);
                 }
                 String s = "encl: " + encl.tree.toString() +
                         "  this: " + self.tree.toString();
                 String msg = sourcefile.getName() + ": " + label + ": " +
                         "encl:" + encl + " this:" + self + "\n" +
                         s.substring(0, Math.min(80, s.length())).replaceAll("[\r\n]+", " ");
                 error(msg);
             }
         }
         JavaFileObject sourcefile;
         EndPosTable endPosTable;
         Info encl;
     }
     /**
      * Utility class providing easy access to position and other info for a tree node.
      */
     private class Info {
         Info() {
             tree = null;
             tag = ERRONEOUS;
             start = 0;
             pos = 0;
             end = Integer.MAX_VALUE;
         }
         Info(JCTree tree, EndPosTable endPosTable) {
             this.tree = tree;
             tag = tree.getTag();
             start = TreeInfo.getStartPos(tree);
             pos = tree.pos;
             end = TreeInfo.getEndPos(tree, endPosTable);
         }
         @Override
         public String toString() {
             return getTagName(tree.getTag()) + "[start:" + start + ",pos:" + pos + ",end:" + end + "]";
         }
         final JCTree tree;
         final JCTree.Tag tag;
         final int start;
         final int pos;
         final int end;
     }
     /**
      * Thrown when errors are found parsing a java file.
      */
     private static class ParseException extends Exception {
         ParseException(String msg) {
             super(msg);
         }
     }
     /**
      * DiagnosticListener to report diagnostics and count any errors that occur.
      */
     private static class Reporter implements DiagnosticListener<JavaFileObject> {
         Reporter(PrintWriter out) {
             this.out = out;
         }
         public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
             out.println(diagnostic);
             switch (diagnostic.getKind()) {
                 case ERROR:
                     errors++;
             }
         }
         int errors;
         PrintWriter out;
     }
     /**
      * GUI viewer for issues found by TreePosTester. The viewer provides a drop
      * down list for selecting error conditions, a header area providing details
      * about an error, and a text area with the ranges of text highlighted as
      * appropriate.
      */
     private class Viewer extends JFrame {
         /**
          * Create a viewer.
          */
         Viewer() {
             initGUI();
         }
         /**
          * Add another entry to the list of errors.
          * @param file The file containing the error
          * @param check The condition that was being tested, and which failed
          * @param encl the enclosing tree node
          * @param self the tree node containing the error
          */
         void addEntry(JavaFileObject file, String check, Info encl, Info self) {
             Entry e = new Entry(file, check, encl, self);
             DefaultComboBoxModel m = (DefaultComboBoxModel) entries.getModel();
             m.addElement(e);
             if (m.getSize() == 1)
                 entries.setSelectedItem(e);
         }
         /**
          * Initialize the GUI window.
          */
         private void initGUI() {
             JPanel head = new JPanel(new GridBagLayout());
             GridBagConstraints lc = new GridBagConstraints();
             GridBagConstraints fc = new GridBagConstraints();
             fc.anchor = GridBagConstraints.WEST;
             fc.fill = GridBagConstraints.HORIZONTAL;
             fc.gridwidth = GridBagConstraints.REMAINDER;
             entries = new JComboBox();
             entries.addActionListener(new ActionListener() {
                 public void actionPerformed(ActionEvent e) {
                     showEntry((Entry) entries.getSelectedItem());
                 }
             });
             fc.insets.bottom = 10;
             head.add(entries, fc);
             fc.insets.bottom = 0;
             head.add(new JLabel("check:"), lc);
             head.add(checkField = createTextField(80), fc);
             fc.fill = GridBagConstraints.NONE;
             head.add(setBackground(new JLabel("encl:"), enclColor), lc);
             head.add(enclPanel = new InfoPanel(), fc);
             head.add(setBackground(new JLabel("self:"), selfColor), lc);
             head.add(selfPanel = new InfoPanel(), fc);
             add(head, BorderLayout.NORTH);
             body = new JTextArea();
             body.setFont(Font.decode(Font.MONOSPACED));
             body.addCaretListener(new CaretListener() {
                 public void caretUpdate(CaretEvent e) {
                     int dot = e.getDot();
                     int mark = e.getMark();
                     if (dot == mark)
                         statusText.setText("dot: " + dot);
                     else
                         statusText.setText("dot: " + dot + ", mark:" + mark);
                 }
             });
             JScrollPane p = new JScrollPane(body,
                     JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
                     JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
             p.setPreferredSize(new Dimension(640, 480));
             add(p, BorderLayout.CENTER);
             statusText = createTextField(80);
             add(statusText, BorderLayout.SOUTH);
             pack();
             setLocationRelativeTo(null); // centered on screen
             setVisible(true);
             setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         }
         /** Show an entry that has been selected. */
         private void showEntry(Entry e) {
             try {
                 // update simple fields
                 setTitle(e.file.getName());
                 checkField.setText(e.check);
                 enclPanel.setInfo(e.encl);
                 selfPanel.setInfo(e.self);
                 // show file text with highlights
                 body.setText(e.file.getCharContent(true).toString());
                 Highlighter highlighter = body.getHighlighter();
                 highlighter.removeAllHighlights();
                 addHighlight(highlighter, e.encl, enclColor);
                 addHighlight(highlighter, e.self, selfColor);
                 scroll(body, getMinPos(enclPanel.info, selfPanel.info));
             } catch (IOException ex) {
                 body.setText("Cannot read " + e.file.getName() + ": " + e);
             }
         }
         /** Create a test field. */
         private JTextField createTextField(int width) {
             JTextField f = new JTextField(width);
             f.setEditable(false);
             f.setBorder(null);
             return f;
         }
         /** Add a highlighted region based on the positions in an Info object. */
         private void addHighlight(Highlighter h, Info info, Color c) {
             int start = info.start;
             int end = info.end;
             if (start == -1 && end == -1)
                 return;
             if (start == -1)
                 start = end;
             if (end == -1)
                 end = start;
             try {
                 h.addHighlight(info.start, info.end,
                         new DefaultHighlighter.DefaultHighlightPainter(c));
                 if (info.pos != -1) {
                     Color c2 = new Color(c.getRed(), c.getGreen(), c.getBlue(), (int)(.4f * 255)); // 40%
                     h.addHighlight(info.pos, info.pos + 1,
                         new DefaultHighlighter.DefaultHighlightPainter(c2));
                 }
             } catch (BadLocationException e) {
                 e.printStackTrace();
             }
         }
         /** Get the minimum valid position in a set of info objects. */
         private int getMinPos(Info... values) {
             int i = Integer.MAX_VALUE;
             for (Info info: values) {
                 if (info.start >= 0) i = Math.min(i, info.start);
                 if (info.pos   >= 0) i = Math.min(i, info.pos);
                 if (info.end   >= 0) i = Math.min(i, info.end);
             }
             return (i == Integer.MAX_VALUE) ? 0 : i;
         }
         /** Set the background on a component. */
         private JComponent setBackground(JComponent comp, Color c) {
             comp.setOpaque(true);
             comp.setBackground(c);
             return comp;
         }
         /** Scroll a text area to display a given position near the middle of the visible area. */
         private void scroll(final JTextArea t, final int pos) {
             // Using invokeLater appears to give text a chance to sort itself out
             // before the scroll happens; otherwise scrollRectToVisible doesn't work.
             // Maybe there's a better way to sync with the text...
             EventQueue.invokeLater(new Runnable() {
                 public void run() {
                     try {
                         Rectangle r = t.modelToView(pos);
                         JScrollPane p = (JScrollPane) SwingUtilities.getAncestorOfClass(JScrollPane.class, t);
                         r.y = Math.max(0, r.y - p.getHeight() * 2 / 5);
                         r.height += p.getHeight() * 4 / 5;
                         t.scrollRectToVisible(r);
                     } catch (BadLocationException ignore) {
                     }
                 }
             });
         }
         private JComboBox entries;
         private JTextField checkField;
         private InfoPanel enclPanel;
         private InfoPanel selfPanel;
         private JTextArea body;
         private JTextField statusText;
         private Color selfColor = new Color(0.f, 1.f, 0.f, 0.2f); // 20% green
         private Color enclColor = new Color(1.f, 0.f, 0.f, 0.2f); // 20% red
         /** Panel to display an Info object. */
         private class InfoPanel extends JPanel {
             InfoPanel() {
                 add(tagName = createTextField(20));
                 add(new JLabel("start:"));
                 add(addListener(start = createTextField(6)));
                 add(new JLabel("pos:"));
                 add(addListener(pos = createTextField(6)));
                 add(new JLabel("end:"));
                 add(addListener(end = createTextField(6)));
             }
             void setInfo(Info info) {
                 this.info = info;
                 tagName.setText(getTagName(info.tag));
                 start.setText(String.valueOf(info.start));
                 pos.setText(String.valueOf(info.pos));
                 end.setText(String.valueOf(info.end));
             }
             JTextField addListener(final JTextField f) {
                 f.addMouseListener(new MouseAdapter() {
                     @Override
                     public void mouseClicked(MouseEvent e) {
                         body.setCaretPosition(Integer.valueOf(f.getText()));
                         body.getCaret().setVisible(true);
                     }
                 });
                 return f;
             }
             Info info;
             JTextField tagName;
             JTextField start;
             JTextField pos;
             JTextField end;
         }
         /** Object to record information about an error to be displayed. */
         private class Entry {
             Entry(JavaFileObject file, String check, Info encl, Info self) {
                 this.file = file;
                 this.check = check;
                 this.encl = encl;
                 this.self= self;
             }
             @Override
             public String toString() {
                 return file.getName() + " " + check + " " + getMinPos(encl, self);
             }
             final JavaFileObject file;
             final String check;
             final Info encl;
             final Info self;
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/tree/TreePosTest.java@959103a6100f (annotated)

test/tools/javac/tree/TreePosTest.java