8bde2f4e3d
Co-authored-by: Vicente Romero <vromero@openjdk.org> Co-authored-by: Harold Seigel <hseigel@openjdk.org> Co-authored-by: Chris Hegarty <chegar@openjdk.org> Reviewed-by: jlahoda
798 lines
30 KiB
Java
798 lines
30 KiB
Java
/*
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* Copyright (c) 2010, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.awt.BorderLayout;
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.EventQueue;
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import java.awt.Font;
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import java.awt.GridBagConstraints;
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import java.awt.GridBagLayout;
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import java.awt.Rectangle;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.io.File;
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import java.io.IOException;
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import java.io.PrintStream;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import java.nio.charset.Charset;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import javax.swing.DefaultComboBoxModel;
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import javax.swing.JComboBox;
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import javax.swing.JComponent;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JPanel;
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import javax.swing.JScrollPane;
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import javax.swing.JTextArea;
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import javax.swing.JTextField;
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import javax.swing.SwingUtilities;
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import javax.swing.event.CaretEvent;
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import javax.swing.event.CaretListener;
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import javax.swing.text.BadLocationException;
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import javax.swing.text.DefaultHighlighter;
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import javax.swing.text.Highlighter;
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import javax.tools.Diagnostic;
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import javax.tools.DiagnosticListener;
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import javax.tools.JavaFileObject;
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import javax.tools.StandardJavaFileManager;
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import com.sun.source.tree.CaseTree.CaseKind;
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import com.sun.source.tree.CompilationUnitTree;
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import com.sun.source.util.JavacTask;
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import com.sun.tools.javac.api.JavacTool;
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import com.sun.tools.javac.code.Flags;
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import com.sun.tools.javac.tree.EndPosTable;
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import com.sun.tools.javac.tree.JCTree;
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import com.sun.tools.javac.tree.JCTree.JCAnnotatedType;
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import com.sun.tools.javac.tree.JCTree.JCCase;
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import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
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import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
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import com.sun.tools.javac.tree.JCTree.JCNewClass;
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import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
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import com.sun.tools.javac.tree.TreeInfo;
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import com.sun.tools.javac.tree.TreeScanner;
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import static com.sun.tools.javac.tree.JCTree.Tag.*;
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import static com.sun.tools.javac.util.Position.NOPOS;
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/**
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* Utility and test program to check validity of tree positions for tree nodes.
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* The program can be run standalone, or as a jtreg test. In standalone mode,
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* errors can be displayed in a gui viewer. For info on command line args,
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* run program with no args.
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*
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* <p>
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* jtreg: Note that by using the -r switch in the test description below, this test
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* will process all java files in the langtools/test directory, thus implicitly
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* covering any new language features that may be tested in this test suite.
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*/
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/*
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* @test
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* @bug 6919889
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* @summary assorted position errors in compiler syntax trees
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* OLD: -q -r -ef ./tools/javac/typeAnnotations -ef ./tools/javap/typeAnnotations -et ANNOTATED_TYPE .
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* @modules java.desktop
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* jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.code
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* jdk.compiler/com.sun.tools.javac.file
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* jdk.compiler/com.sun.tools.javac.tree
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* jdk.compiler/com.sun.tools.javac.util
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* @run main TreePosTest -q -r .
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*/
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public class TreePosTest {
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/**
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* Main entry point.
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* If test.src is set, program runs in jtreg mode, and will throw an Error
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* if any errors arise, otherwise System.exit will be used, unless the gui
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* viewer is being used. In jtreg mode, the default base directory for file
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* args is the value of ${test.src}. In jtreg mode, the -r option can be
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* given to change the default base directory to the root test directory.
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*/
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public static void main(String... args) throws IOException {
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String testSrc = System.getProperty("test.src");
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File baseDir = (testSrc == null) ? null : new File(testSrc);
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boolean ok = new TreePosTest().run(baseDir, args);
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if (!ok) {
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if (testSrc != null) // jtreg mode
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throw new Error("failed");
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else
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System.exit(1);
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}
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}
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/**
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* Run the program. A base directory can be provided for file arguments.
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* In jtreg mode, the -r option can be given to change the default base
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* directory to the test root directory. For other options, see usage().
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* @param baseDir base directory for any file arguments.
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* @param args command line args
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* @return true if successful or in gui mode
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*/
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boolean run(File baseDir, String... args) throws IOException {
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try {
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if (args.length == 0) {
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usage(System.out);
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return true;
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}
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List<File> files = new ArrayList<File>();
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for (int i = 0; i < args.length; i++) {
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String arg = args[i];
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if (arg.equals("-encoding") && i + 1 < args.length)
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encoding = args[++i];
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else if (arg.equals("-gui"))
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gui = true;
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else if (arg.equals("-q"))
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quiet = true;
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else if (arg.equals("-v"))
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verbose = true;
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else if (arg.equals("-t") && i + 1 < args.length)
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tags.add(args[++i]);
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else if (arg.equals("-ef") && i + 1 < args.length)
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excludeFiles.add(new File(baseDir, args[++i]));
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else if (arg.equals("-et") && i + 1 < args.length)
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excludeTags.add(args[++i]);
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else if (arg.equals("-r")) {
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if (excludeFiles.size() > 0)
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throw new Error("-r must be used before -ef");
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File d = baseDir;
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while (!new File(d, "TEST.ROOT").exists()) {
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d = d.getParentFile();
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if (d == null)
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throw new Error("cannot find TEST.ROOT");
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}
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baseDir = d;
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}
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else if (arg.startsWith("-"))
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throw new Error("unknown option: " + arg);
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else {
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while (i < args.length)
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files.add(new File(baseDir, args[i++]));
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}
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}
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for (File file: files) {
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if (file.exists())
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test(file);
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else
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error("File not found: " + file);
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}
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if (fileCount != 1)
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System.err.println(fileCount + " files read");
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if (errors > 0)
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System.err.println(errors + " errors");
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return (gui || errors == 0);
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} finally {
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fm.close();
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}
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}
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/**
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* Print command line help.
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* @param out output stream
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*/
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void usage(PrintStream out) {
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out.println("Usage:");
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out.println(" java TreePosTest options... files...");
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out.println("");
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out.println("where options include:");
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out.println("-gui Display returns in a GUI viewer");
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out.println("-q Quiet: don't report on inapplicable files");
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out.println("-v Verbose: report on files as they are being read");
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out.println("-t tag Limit checks to tree nodes with this tag");
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out.println(" Can be repeated if desired");
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out.println("-ef file Exclude file or directory");
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out.println("-et tag Exclude tree nodes with given tag name");
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out.println("");
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out.println("files may be directories or files");
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out.println("directories will be scanned recursively");
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out.println("non java files, or java files which cannot be parsed, will be ignored");
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out.println("");
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}
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/**
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* Test a file. If the file is a directory, it will be recursively scanned
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* for java files.
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* @param file the file or directory to test
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*/
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void test(File file) {
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if (excludeFiles.contains(file)) {
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if (!quiet)
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error("File " + file + " excluded");
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return;
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}
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if (file.isDirectory()) {
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for (File f: file.listFiles()) {
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test(f);
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}
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return;
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}
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if (file.isFile() && file.getName().endsWith(".java")) {
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try {
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if (verbose)
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System.err.println(file);
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fileCount++;
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PosTester p = new PosTester();
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p.test(read(file));
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} catch (ParseException e) {
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if (!quiet) {
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error("Error parsing " + file + "\n" + e.getMessage());
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}
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} catch (IOException e) {
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error("Error reading " + file + ": " + e);
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}
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return;
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}
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if (!quiet)
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error("File " + file + " ignored");
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}
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// See CR: 6982992 Tests CheckAttributedTree.java, JavacTreeScannerTest.java, and SourceTreeeScannerTest.java timeout
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StringWriter sw = new StringWriter();
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PrintWriter pw = new PrintWriter(sw);
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Reporter r = new Reporter(pw);
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JavacTool tool = JavacTool.create();
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StandardJavaFileManager fm = tool.getStandardFileManager(r, null, null);
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/**
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* Read a file.
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* @param file the file to be read
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* @return the tree for the content of the file
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* @throws IOException if any IO errors occur
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* @throws TreePosTest.ParseException if any errors occur while parsing the file
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*/
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JCCompilationUnit read(File file) throws IOException, ParseException {
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JavacTool tool = JavacTool.create();
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r.errors = 0;
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Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(file);
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JavacTask task = tool.getTask(pw, fm, r, List.of("-proc:none"), null, files);
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Iterable<? extends CompilationUnitTree> trees = task.parse();
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pw.flush();
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if (r.errors > 0)
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throw new ParseException(sw.toString());
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Iterator<? extends CompilationUnitTree> iter = trees.iterator();
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if (!iter.hasNext())
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throw new Error("no trees found");
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JCCompilationUnit t = (JCCompilationUnit) iter.next();
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if (iter.hasNext())
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throw new Error("too many trees found");
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return t;
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}
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/**
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* Report an error. When the program is complete, the program will either
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* exit or throw an Error if any errors have been reported.
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* @param msg the error message
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*/
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void error(String msg) {
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System.err.println(msg);
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errors++;
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}
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/**
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* Names for tree tags.
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*/
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private static String getTagName(JCTree.Tag tag) {
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String name = tag.name();
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return (name == null) ? "??" : name;
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}
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/** Number of files that have been analyzed. */
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int fileCount;
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/** Number of errors reported. */
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int errors;
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/** Flag: don't report irrelevant files. */
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boolean quiet;
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/** Flag: report files as they are processed. */
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boolean verbose;
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/** Flag: show errors in GUI viewer. */
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boolean gui;
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/** Option: encoding for test files. */
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String encoding;
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/** The GUI viewer for errors. */
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Viewer viewer;
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/** The set of tags for tree nodes to be analyzed; if empty, all tree nodes
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* are analyzed. */
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Set<String> tags = new HashSet<String>();
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/** Set of files and directories to be excluded from analysis. */
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Set<File> excludeFiles = new HashSet<File>();
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/** Set of tag names to be excluded from analysis. */
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Set<String> excludeTags = new HashSet<String>();
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/**
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* Main class for testing assertions concerning tree positions for tree nodes.
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*/
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private class PosTester extends TreeScanner {
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void test(JCCompilationUnit tree) {
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sourcefile = tree.sourcefile;
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endPosTable = tree.endPositions;
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encl = new Info();
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tree.accept(this);
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}
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@Override
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public void scan(JCTree tree) {
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if (tree == null)
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return;
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Info self = new Info(tree, endPosTable);
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if (check(encl, self)) {
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// Modifiers nodes are present throughout the tree even where
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// there is no corresponding source text.
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// Redundant semicolons in a class definition can cause empty
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// initializer blocks with no positions.
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if ((self.tag == MODIFIERS || self.tag == BLOCK)
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&& self.pos == NOPOS) {
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// If pos is NOPOS, so should be the start and end positions
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check("start == NOPOS", encl, self, self.start == NOPOS);
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check("end == NOPOS", encl, self, self.end == NOPOS);
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} else {
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// For this node, start , pos, and endpos should be all defined
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check("start != NOPOS", encl, self, self.start != NOPOS);
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check("pos != NOPOS", encl, self, self.pos != NOPOS);
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check("end != NOPOS", encl, self, self.end != NOPOS);
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// The following should normally be ordered
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// encl.start <= start <= pos <= end <= encl.end
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// In addition, the position of the enclosing node should be
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// within this node.
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// The primary exceptions are for array type nodes, because of the
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// need to support legacy syntax:
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// e.g. int a[]; int[] b[]; int f()[] { return null; }
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// and because of inconsistent nesting of left and right of
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// array declarations:
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// e.g. int[][] a = new int[2][];
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if (!(encl.tag == REFERENCE && self.tag == ANNOTATED_TYPE)) {
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check("encl.start <= start", encl, self, encl.start <= self.start);
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}
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check("start <= pos", encl, self, self.start <= self.pos);
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if (!( (self.tag == TYPEARRAY ||
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isAnnotatedArray(self.tree))
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&& (encl.tag == VARDEF ||
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encl.tag == METHODDEF ||
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encl.tag == TYPEARRAY ||
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isAnnotatedArray(encl.tree))
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||
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encl.tag == ANNOTATED_TYPE && self.tag == SELECT
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||
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encl.tag == REFERENCE && self.tag == ANNOTATED_TYPE
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)) {
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check("encl.pos <= start || end <= encl.pos",
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encl, self, encl.pos <= self.start || self.end <= encl.pos);
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}
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check("pos <= end", encl, self, self.pos <= self.end);
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if (!( (self.tag == TYPEARRAY || isAnnotatedArray(self.tree)) &&
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(encl.tag == TYPEARRAY || isAnnotatedArray(encl.tree))
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||
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encl.tag == MODIFIERS && self.tag == ANNOTATION
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) ) {
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check("end <= encl.end", encl, self, self.end <= encl.end);
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}
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}
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}
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Info prevEncl = encl;
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encl = self;
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tree.accept(this);
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encl = prevEncl;
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}
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private boolean isAnnotatedArray(JCTree tree) {
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return tree.hasTag(ANNOTATED_TYPE) &&
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((JCAnnotatedType)tree).underlyingType.hasTag(TYPEARRAY);
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}
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@Override
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public void visitMethodDef(JCMethodDecl tree) {
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// ignore compact record constructors
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if ((tree.mods.flags & Flags.COMPACT_RECORD_CONSTRUCTOR) == 0) {
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super.visitMethodDef(tree);
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}
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}
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@Override
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public void visitVarDef(JCVariableDecl tree) {
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// enum member declarations are desugared in the parser and have
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// ill-defined semantics for tree positions, so for now, we
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// skip the synthesized bits and just check parts which came from
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// the original source text
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if ((tree.mods.flags & Flags.ENUM) != 0) {
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scan(tree.mods);
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if (tree.init != null) {
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if (tree.init.hasTag(NEWCLASS)) {
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JCNewClass init = (JCNewClass) tree.init;
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if (init.args != null && init.args.nonEmpty()) {
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scan(init.args);
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}
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if (init.def != null && init.def.defs != null) {
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scan(init.def.defs);
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}
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}
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}
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} else
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super.visitVarDef(tree);
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}
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@Override
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public void visitCase(JCCase tree) {
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if (tree.getCaseKind() == CaseKind.RULE) {
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scan(tree.getBody());
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} else {
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super.visitCase(tree);
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}
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}
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boolean check(Info encl, Info self) {
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if (excludeTags.size() > 0) {
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if (encl != null && excludeTags.contains(getTagName(encl.tag))
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|| excludeTags.contains(getTagName(self.tag)))
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return false;
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}
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return tags.size() == 0 || tags.contains(getTagName(self.tag));
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}
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void check(String label, Info encl, Info self, boolean ok) {
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if (!ok) {
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if (gui) {
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if (viewer == null)
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viewer = new Viewer();
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viewer.addEntry(sourcefile, label, encl, self);
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}
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String s = "encl: " + encl.tree.toString() +
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" this: " + self.tree.toString();
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String msg = sourcefile.getName() + ": " + label + ": " +
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"encl:" + encl + " this:" + self + "\n" +
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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;
|
|
}
|
|
}
|
|
}
|
|
|