Thu, 10 Oct 2013 14:58:04 +0200
8001931: The new build system whitespace cleanup
Reviewed-by: tbell, simonis, erikj
1 /*
2 * Copyright (c) 2011, 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 */
24 /*
25 * @test
26 * @bug 7031108
27 * @summary NPE in javac.jvm.ClassReader.findMethod in PackageElement.enclosedElements from AP in incr build
28 * @library /tools/javac/lib
29 * @build JavacTestingAbstractProcessor T7031108
30 * @run main T7031108
31 */
33 import java.io.*;
34 import java.net.*;
35 import java.util.*;
36 import javax.annotation.processing.*;
37 import javax.lang.model.element.*;
38 import javax.tools.*;
39 import javax.tools.JavaCompiler.CompilationTask;
41 public class T7031108 extends JavacTestingAbstractProcessor {
42 public static void main(String... args) throws Exception {
43 new T7031108().run();
44 }
46 /* Class containing a local class definition;
47 * compiled class file will have an EnclosedMethod attribute.
48 */
49 static final JavaSource pC =
50 new JavaSource("p/C.java",
51 "package p;\n"
52 + "class C {\n"
53 + " void m() {\n"
54 + " new Runnable() {\n"
55 + " public void run() {\n"
56 + " new Runnable() {\n"
57 + " public void run() { }\n"
58 + " };\n"
59 + " }\n"
60 + " };\n"
61 + " }\n"
62 + "}");
64 /* Dummy source file to compile while running anno processor. */
65 static final JavaSource dummy =
66 new JavaSource("Dummy.java",
67 "class Dummy { }");
69 void run() throws Exception {
70 JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
71 StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null);
73 // step 1: compile test classes
74 File cwd = new File(".");
75 fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(cwd));
76 compile(comp, fm, null, null, pC);
78 // step 2: verify functioning of processor
79 fm.setLocation(StandardLocation.ANNOTATION_PROCESSOR_PATH,
80 fm.getLocation(StandardLocation.CLASS_PATH));
81 fm.setLocation(StandardLocation.CLASS_PATH, Arrays.asList(cwd));
82 compile(comp, fm, null, getClass().getName(), dummy);
84 File pC_class = new File(new File("p"), "C.class");
85 pC_class.delete();
87 DiagnosticCollector<JavaFileObject> dc = new DiagnosticCollector<JavaFileObject>();
88 compile(comp, fm, dc, getClass().getName(), dummy);
89 List<Diagnostic<? extends JavaFileObject>> diags =dc.getDiagnostics();
91 System.err.println(diags);
92 switch (diags.size()) {
93 case 0:
94 throw new Exception("no diagnostics received");
95 case 1:
96 String code = diags.get(0).getCode();
97 String expect = "compiler.err.proc.cant.access.1";
98 if (!expect.equals(code))
99 throw new Exception("unexpected diag code: " + code
100 + ", expected: " + expect);
101 break;
102 default:
103 throw new Exception("unexpected diags received");
104 }
105 }
107 void compile(JavaCompiler comp, JavaFileManager fm,
108 DiagnosticListener<JavaFileObject> dl,
109 String processor, JavaFileObject... files) throws Exception {
110 System.err.println("compile processor:" + processor + ", files:" + Arrays.asList(files));
111 List<String> opts = new ArrayList<String>();
112 if (processor != null) {
113 // opts.add("-verbose");
114 opts.addAll(Arrays.asList("-processor", processor));
115 }
116 CompilationTask task = comp.getTask(null, fm, dl, opts, null, Arrays.asList(files));
117 boolean ok = task.call();
118 if (dl == null && !ok)
119 throw new Exception("compilation failed");
120 }
122 static class JavaSource extends SimpleJavaFileObject {
123 JavaSource(String name, String text) {
124 super(URI.create("js://" + name), JavaFileObject.Kind.SOURCE);
125 this.text = text;
126 }
127 @Override
128 public CharSequence getCharContent(boolean ignoreEncodingErrors) {
129 return text;
130 }
131 final String text;
132 }
134 // annotation processor method
136 @Override
137 public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
138 if (!roundEnv.processingOver()) {
139 PackageElement p = elements.getPackageElement("p");
140 List<? extends Element> elems = p.getEnclosedElements();
141 System.err.println("contents of package p: " + elems);
142 if (elems.size() != 1 || !elems.get(0).getSimpleName().contentEquals("C")) {
143 messager.printMessage(Diagnostic.Kind.ERROR, "unexpected package contents");
144 }
145 }
146 return true;
147 }
148 }