Fri, 24 Apr 2020 03:58:51 +0100
Merge
jjg@489 | 1 | /* |
jjg@1755 | 2 | * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. |
jjg@489 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
jjg@489 | 4 | * |
jjg@489 | 5 | * This code is free software; you can redistribute it and/or modify it |
jjg@489 | 6 | * under the terms of the GNU General Public License version 2 only, as |
jjg@489 | 7 | * published by the Free Software Foundation. |
jjg@489 | 8 | * |
jjg@489 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
jjg@489 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
jjg@489 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
jjg@489 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
jjg@489 | 13 | * accompanied this code). |
jjg@489 | 14 | * |
jjg@489 | 15 | * You should have received a copy of the GNU General Public License version |
jjg@489 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
jjg@489 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
jjg@489 | 18 | * |
ohair@554 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@554 | 20 | * or visit www.oracle.com if you need additional information or have any |
ohair@554 | 21 | * questions. |
jjg@489 | 22 | */ |
jjg@489 | 23 | |
jjg@489 | 24 | |
jjg@489 | 25 | /** |
jjg@489 | 26 | * Utility and test program to check javac's internal TreeScanner class. |
jjg@489 | 27 | * The program can be run standalone, or as a jtreg test. For info on |
jjg@489 | 28 | * command line args, run program with no args. |
jjg@489 | 29 | * |
jjg@489 | 30 | * <p> |
jjg@489 | 31 | * jtreg: Note that by using the -r switch in the test description below, this test |
jjg@489 | 32 | * will process all java files in the langtools/test directory, thus implicitly |
jjg@489 | 33 | * covering any new language features that may be tested in this test suite. |
jjg@489 | 34 | */ |
jjg@489 | 35 | |
jjg@489 | 36 | /* |
jjg@489 | 37 | * @test |
jjg@489 | 38 | * @bug 6923080 |
jjg@489 | 39 | * @summary TreeScanner.visitNewClass should scan tree.typeargs |
jjg@679 | 40 | * @build AbstractTreeScannerTest SourceTreeScannerTest |
jjg@679 | 41 | * @run main SourceTreeScannerTest -q -r . |
jjg@489 | 42 | */ |
jjg@489 | 43 | |
jjg@489 | 44 | import java.io.*; |
jjg@489 | 45 | import java.lang.reflect.*; |
jjg@489 | 46 | import java.util.*; |
jjg@489 | 47 | import javax.tools.*; |
jjg@489 | 48 | |
jjg@679 | 49 | import com.sun.source.tree.Tree; |
jjg@679 | 50 | import com.sun.source.util.TreeScanner; |
jjg@679 | 51 | import com.sun.tools.javac.tree.JCTree; |
jjg@679 | 52 | import com.sun.tools.javac.tree.JCTree.JCCompilationUnit; |
jjg@679 | 53 | import com.sun.tools.javac.tree.JCTree.TypeBoundKind; |
jjg@489 | 54 | import com.sun.tools.javac.util.List; |
jjg@489 | 55 | |
jjg@679 | 56 | public class SourceTreeScannerTest extends AbstractTreeScannerTest { |
jjg@489 | 57 | /** |
jjg@489 | 58 | * Main entry point. |
jjg@489 | 59 | * If test.src is set, program runs in jtreg mode, and will throw an Error |
jjg@489 | 60 | * if any errors arise, otherwise System.exit will be used. In jtreg mode, |
jjg@489 | 61 | * the default base directory for file args is the value of ${test.src}. |
jjg@489 | 62 | * In jtreg mode, the -r option can be given to change the default base |
jjg@489 | 63 | * directory to the root test directory. |
jjg@489 | 64 | */ |
jjg@489 | 65 | public static void main(String... args) { |
jjg@489 | 66 | String testSrc = System.getProperty("test.src"); |
jjg@489 | 67 | File baseDir = (testSrc == null) ? null : new File(testSrc); |
jjg@679 | 68 | boolean ok = new SourceTreeScannerTest().run(baseDir, args); |
jjg@489 | 69 | if (!ok) { |
jjg@489 | 70 | if (testSrc != null) // jtreg mode |
jjg@489 | 71 | throw new Error("failed"); |
jjg@489 | 72 | else |
jjg@489 | 73 | System.exit(1); |
jjg@489 | 74 | } |
jjg@489 | 75 | } |
jjg@489 | 76 | |
jjg@679 | 77 | int test(JCCompilationUnit tree) { |
jjg@679 | 78 | return new ScanTester().test(tree); |
jjg@489 | 79 | } |
jjg@489 | 80 | |
jjg@489 | 81 | /** |
jjg@489 | 82 | * Main class for testing operation of tree scanner. |
jjg@489 | 83 | * The set of nodes found by the scanner are compared |
jjg@489 | 84 | * against the set of nodes found by reflection. |
jjg@489 | 85 | */ |
jjg@679 | 86 | private class ScanTester extends TreeScanner<Void,Void> { |
jjg@489 | 87 | /** Main entry method for the class. */ |
jjg@679 | 88 | int test(JCCompilationUnit tree) { |
jjg@489 | 89 | sourcefile = tree.sourcefile; |
jjg@679 | 90 | found = new HashSet<Tree>(); |
jjg@679 | 91 | scan(tree, null); |
jjg@679 | 92 | expect = new HashSet<Tree>(); |
jjg@489 | 93 | reflectiveScan(tree); |
jjg@683 | 94 | |
jjg@679 | 95 | if (found.equals(expect)) { |
jjg@683 | 96 | //System.err.println(sourcefile.getName() + ": trees compared OK"); |
jjg@679 | 97 | return found.size(); |
jjg@679 | 98 | } |
jjg@489 | 99 | |
jjg@683 | 100 | error(sourcefile.getName() + ": differences found"); |
jjg@489 | 101 | |
jjg@489 | 102 | if (found.size() != expect.size()) |
jjg@489 | 103 | error("Size mismatch; found: " + found.size() + ", expected: " + expect.size()); |
jjg@489 | 104 | |
jjg@679 | 105 | Set<Tree> missing = new HashSet<Tree>(); |
jjg@489 | 106 | missing.addAll(expect); |
jjg@489 | 107 | missing.removeAll(found); |
jjg@679 | 108 | for (Tree t: missing) |
jjg@683 | 109 | error(sourcefile, t, "missing"); |
jjg@489 | 110 | |
jjg@679 | 111 | Set<Tree> excess = new HashSet<Tree>(); |
jjg@489 | 112 | excess.addAll(found); |
jjg@489 | 113 | excess.removeAll(expect); |
jjg@679 | 114 | for (Tree t: excess) |
jjg@683 | 115 | error(sourcefile, t, "unexpected"); |
jjg@679 | 116 | |
jjg@679 | 117 | return 0; |
jjg@489 | 118 | } |
jjg@489 | 119 | |
jjg@489 | 120 | /** Record all tree nodes found by scanner. */ |
jjg@489 | 121 | @Override |
jjg@679 | 122 | public Void scan(Tree tree, Void ignore) { |
jjg@489 | 123 | if (tree == null) |
jjg@679 | 124 | return null; |
jjg@683 | 125 | //System.err.println("FOUND: " + tree.getKind() + " " + trim(tree, 64)); |
jjg@489 | 126 | found.add(tree); |
jjg@679 | 127 | return super.scan(tree, ignore); |
jjg@489 | 128 | } |
jjg@489 | 129 | |
jjg@489 | 130 | /** record all tree nodes found by reflection. */ |
jjg@489 | 131 | public void reflectiveScan(Object o) { |
jjg@489 | 132 | if (o == null) |
jjg@489 | 133 | return; |
jjg@489 | 134 | if (o instanceof JCTree) { |
jjg@489 | 135 | JCTree tree = (JCTree) o; |
jjg@683 | 136 | //System.err.println("EXPECT: " + tree.getKind() + " " + trim(tree, 64)); |
jjg@489 | 137 | expect.add(tree); |
jjg@489 | 138 | for (Field f: getFields(tree)) { |
jjg@679 | 139 | if (TypeBoundKind.class.isAssignableFrom(f.getType())) { |
jjg@679 | 140 | // not part of public API |
jjg@679 | 141 | continue; |
jjg@679 | 142 | } |
jjg@489 | 143 | try { |
jjg@489 | 144 | //System.err.println("FIELD: " + f.getName()); |
jjg@489 | 145 | reflectiveScan(f.get(tree)); |
jjg@489 | 146 | } catch (IllegalAccessException e) { |
jjg@489 | 147 | error(e.toString()); |
jjg@489 | 148 | } |
jjg@489 | 149 | } |
jjg@489 | 150 | } else if (o instanceof List) { |
jjg@489 | 151 | List<?> list = (List<?>) o; |
jjg@489 | 152 | for (Object item: list) |
jjg@489 | 153 | reflectiveScan(item); |
jjg@489 | 154 | } else |
jjg@489 | 155 | error("unexpected item: " + o); |
jjg@489 | 156 | } |
jjg@489 | 157 | |
jjg@489 | 158 | JavaFileObject sourcefile; |
jjg@679 | 159 | Set<Tree> found; |
jjg@679 | 160 | Set<Tree> expect; |
jjg@489 | 161 | } |
jjg@489 | 162 | } |