Thu, 24 Feb 2011 08:40:49 -0800
7018753: tools/javac/varargs/warning/Warn5.java times out on slow machines
Summary: Use a single file manager for all JavacTasks
Reviewed-by: jjg, mcimadamore
1 /*
2 * Copyright (c) 2010, 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 */
25 /**
26 * Utility and test program to check javac's internal TreeScanner class.
27 * The program can be run standalone, or as a jtreg test. For info on
28 * command line args, run program with no args.
29 *
30 * <p>
31 * jtreg: Note that by using the -r switch in the test description below, this test
32 * will process all java files in the langtools/test directory, thus implicitly
33 * covering any new language features that may be tested in this test suite.
34 */
36 /*
37 * @test
38 * @bug 6923080
39 * @summary TreeScanner.visitNewClass should scan tree.typeargs
40 * @build AbstractTreeScannerTest SourceTreeScannerTest
41 * @run main SourceTreeScannerTest -q -r .
42 */
44 import java.io.*;
45 import java.lang.reflect.*;
46 import java.util.*;
47 import javax.tools.*;
49 import com.sun.source.tree.Tree;
50 import com.sun.source.util.TreeScanner;
51 import com.sun.tools.javac.tree.JCTree;
52 import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
53 import com.sun.tools.javac.tree.JCTree.TypeBoundKind;
54 import com.sun.tools.javac.util.List;
56 public class SourceTreeScannerTest extends AbstractTreeScannerTest {
57 /**
58 * Main entry point.
59 * If test.src is set, program runs in jtreg mode, and will throw an Error
60 * if any errors arise, otherwise System.exit will be used. In jtreg mode,
61 * the default base directory for file args is the value of ${test.src}.
62 * In jtreg mode, the -r option can be given to change the default base
63 * directory to the root test directory.
64 */
65 public static void main(String... args) {
66 String testSrc = System.getProperty("test.src");
67 File baseDir = (testSrc == null) ? null : new File(testSrc);
68 boolean ok = new SourceTreeScannerTest().run(baseDir, args);
69 if (!ok) {
70 if (testSrc != null) // jtreg mode
71 throw new Error("failed");
72 else
73 System.exit(1);
74 }
75 }
77 int test(JCCompilationUnit tree) {
78 return new ScanTester().test(tree);
79 }
81 /**
82 * Main class for testing operation of tree scanner.
83 * The set of nodes found by the scanner are compared
84 * against the set of nodes found by reflection.
85 */
86 private class ScanTester extends TreeScanner<Void,Void> {
87 /** Main entry method for the class. */
88 int test(JCCompilationUnit tree) {
89 sourcefile = tree.sourcefile;
90 found = new HashSet<Tree>();
91 scan(tree, null);
92 expect = new HashSet<Tree>();
93 reflectiveScan(tree);
95 if (found.equals(expect)) {
96 //System.err.println(sourcefile.getName() + ": trees compared OK");
97 return found.size();
98 }
100 error(sourcefile.getName() + ": differences found");
102 if (found.size() != expect.size())
103 error("Size mismatch; found: " + found.size() + ", expected: " + expect.size());
105 Set<Tree> missing = new HashSet<Tree>();
106 missing.addAll(expect);
107 missing.removeAll(found);
108 for (Tree t: missing)
109 error(sourcefile, t, "missing");
111 Set<Tree> excess = new HashSet<Tree>();
112 excess.addAll(found);
113 excess.removeAll(expect);
114 for (Tree t: excess)
115 error(sourcefile, t, "unexpected");
117 return 0;
118 }
120 /** Record all tree nodes found by scanner. */
121 @Override
122 public Void scan(Tree tree, Void ignore) {
123 if (tree == null)
124 return null;
125 //System.err.println("FOUND: " + tree.getKind() + " " + trim(tree, 64));
126 found.add(tree);
127 return super.scan(tree, ignore);
128 }
130 /** record all tree nodes found by reflection. */
131 public void reflectiveScan(Object o) {
132 if (o == null)
133 return;
134 if (o instanceof JCTree) {
135 JCTree tree = (JCTree) o;
136 //System.err.println("EXPECT: " + tree.getKind() + " " + trim(tree, 64));
137 expect.add(tree);
138 for (Field f: getFields(tree)) {
139 if (TypeBoundKind.class.isAssignableFrom(f.getType())) {
140 // not part of public API
141 continue;
142 }
143 if (JCTree.JCNewArray.class.isAssignableFrom(tree.getClass())
144 && (f.getName().equals("annotations")
145 || f.getName().equals("dimAnnotations"))) {
146 // these fields are incorrectly missing from the public API
147 // (CR 6983297)
148 continue;
149 }
150 try {
151 //System.err.println("FIELD: " + f.getName());
152 reflectiveScan(f.get(tree));
153 } catch (IllegalAccessException e) {
154 error(e.toString());
155 }
156 }
157 } else if (o instanceof List) {
158 List<?> list = (List<?>) o;
159 for (Object item: list)
160 reflectiveScan(item);
161 } else
162 error("unexpected item: " + o);
163 }
165 JavaFileObject sourcefile;
166 Set<Tree> found;
167 Set<Tree> expect;
168 }
169 }