| /* |
| * Copyright (c) 2010, 2015, 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. |
| */ |
| |
| /** |
| * Utility and test program to check javac's internal TreeScanner class. |
| * The program can be run standalone, or as a jtreg test. 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 6923080 |
| * @summary TreeScanner.visitNewClass should scan tree.typeargs |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.file |
| * jdk.compiler/com.sun.tools.javac.tree |
| * jdk.compiler/com.sun.tools.javac.util |
| * @build AbstractTreeScannerTest JavacTreeScannerTest |
| * @run main JavacTreeScannerTest -q -r . |
| */ |
| |
| import java.io.*; |
| import java.lang.reflect.*; |
| import java.util.*; |
| import javax.tools.*; |
| |
| import com.sun.tools.javac.tree.JCTree; |
| import com.sun.tools.javac.tree.JCTree.JCCompilationUnit; |
| import com.sun.tools.javac.tree.TreeScanner; |
| import com.sun.tools.javac.util.List; |
| |
| public class JavacTreeScannerTest extends AbstractTreeScannerTest { |
| /** |
| * 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. 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 JavacTreeScannerTest().run(baseDir, args); |
| if (!ok) { |
| if (testSrc != null) // jtreg mode |
| throw new Error("failed"); |
| else |
| System.exit(1); |
| } |
| } |
| |
| int test(JCCompilationUnit tree) { |
| return new ScanTester().test(tree); |
| } |
| |
| /** |
| * Main class for testing operation of tree scanner. |
| * The set of nodes found by the scanner are compared |
| * against the set of nodes found by reflection. |
| */ |
| private class ScanTester extends TreeScanner { |
| /** Main entry method for the class. */ |
| int test(JCCompilationUnit tree) { |
| sourcefile = tree.sourcefile; |
| found = new HashSet<JCTree>(); |
| scan(tree); |
| expect = new HashSet<JCTree>(); |
| reflectiveScan(tree); |
| |
| if (found.equals(expect)) { |
| //System.err.println(sourcefile.getName() + ": trees compared OK"); |
| return found.size(); |
| } |
| |
| error(sourcefile, "differences found"); |
| |
| if (found.size() != expect.size()) |
| error("Size mismatch; found: " + found.size() + ", expected: " + expect.size()); |
| |
| Set<JCTree> missing = new HashSet<JCTree>(); |
| missing.addAll(expect); |
| missing.removeAll(found); |
| for (JCTree t: missing) |
| error(sourcefile, t, "missing"); |
| |
| Set<JCTree> excess = new HashSet<JCTree>(); |
| excess.addAll(found); |
| excess.removeAll(expect); |
| for (JCTree t: excess) |
| error(sourcefile, t, "unexpected"); |
| |
| return 0; |
| } |
| |
| /** Record all tree nodes found by scanner. */ |
| @Override |
| public void scan(JCTree tree) { |
| if (tree == null) |
| return; |
| //System.err.println("FOUND: " + tree.getTag() + " " + trim(tree, 64)); |
| found.add(tree); |
| super.scan(tree); |
| } |
| |
| /** record all tree nodes found by reflection. */ |
| public void reflectiveScan(Object o) { |
| if (o == null) |
| return; |
| if (o instanceof JCTree) { |
| JCTree tree = (JCTree) o; |
| //System.err.println("EXPECT: " + tree.getTag() + " " + trim(tree, 64)); |
| expect.add(tree); |
| for (Field f: getFields(tree)) { |
| try { |
| //System.err.println("FIELD: " + f.getName()); |
| reflectiveScan(f.get(tree)); |
| } catch (IllegalAccessException e) { |
| error(e.toString()); |
| } |
| } |
| } else if (o instanceof List) { |
| List<?> list = (List<?>) o; |
| for (Object item: list) |
| reflectiveScan(item); |
| } else |
| error("unexpected item: " + o); |
| } |
| |
| JavaFileObject sourcefile; |
| Set<JCTree> found; |
| Set<JCTree> expect; |
| } |
| } |