Mon, 14 Jan 2013 13:50:01 -0800
8006119: update javac to follow latest spec for repeatable annotations
Reviewed-by: darcy
1 /*
2 * Copyright (c) 2012, 2013, 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 import java.net.URI;
25 import java.net.URISyntaxException;
26 import java.util.Arrays;
27 import javax.tools.DiagnosticCollector;
28 import javax.tools.JavaCompiler;
29 import javax.tools.JavaFileObject;
30 import javax.tools.SimpleJavaFileObject;
31 import javax.tools.ToolProvider;
32 import javax.tools.JavaCompiler.CompilationTask;
34 public class Helper {
36 enum ContentVars {
37 IMPORTCONTAINERSTMTS("\nimport java.lang.annotation.Repeatable;\n"),
38 IMPORTDEPRECATED("import java.lang.Deprecated;\n"),
39 IMPORTDOCUMENTED("import java.lang.annotation.Documented;\n"),
40 IMPORTINHERITED("import java.lang.annotation.Inherited;\n"),
41 IMPORTRETENTION("import java.lang.annotation.Retention;\n" +
42 "\nimport java.lang.annotation.RetentionPolicy;\n"),
43 REPEATABLE("\n@Repeatable(FooContainer.class)\n"),
44 CONTAINER("@interface FooContainer {\n" +" Foo[] value();\n}\n"),
45 BASE("@interface Foo {}\n"),
46 REPEATABLEANNO("\n@Foo() @Foo()"),
47 DEPRECATED("\n@Deprecated"),
48 DOCUMENTED("\n@Documented"),
49 INHERITED("\n@Inherited"),
50 RETENTION("@Retention(RetentionPolicy.#VAL)\n");
52 private String val;
55 private ContentVars(String val) {
56 this.val = val;
57 }
59 public String getVal() {
60 return val;
61 }
62 }
64 /* String template where /*<TYPE>*/ /*gets replaced by repeating anno
65 * Used to generate test src for combo tests
66 * - BasicSyntaxCombo.java
67 * - TargetAnnoCombo.java
68 */
69 public static final String template =
70 "/*PACKAGE*/\n" +
71 "//pkg test;\n\n" +
72 "/*TYPE*/ //class\n" +
73 "class #ClassName {\n" +
74 " /*FIELD*/ //instance var\n" +
75 " public int x = 0;\n\n" +
76 " /*FIELD*/ //Enum constants\n" +
77 " TestEnum testEnum;\n\n" +
78 " /*FIELD*/ // Static field\n" +
79 " public static int num;\n\n" +
80 " /*STATIC_INI*/\n" +
81 " static { \n" + "num = 10; \n }\n\n" +
82 " /*CONSTRUCTOR*/\n" +
83 " #ClassName() {}\n\n" +
84 " /*INSTANCE_INI*/\n" +
85 " { \n x = 10; \n }" +
86 " /*INNER_CLASS*/\n" +
87 " class innerClass {}\n" +
88 " /*METHOD*/\n" +
89 " void bar(/*PARAMETER*/ int baz) {\n" +
90 " /*LOCAL_VARIABLE*/\n" +
91 " int y = 0;\n" +
92 " }\n" +
93 "}\n\n" +
94 "/*TYPE*/ //Enum\n" +
95 "enum TestEnum {}\n\n" +
96 "/*TYPE*/ //Interface\n" +
97 "interface TestInterface {}\n\n" +
98 "/*TYPE*/\n" +
99 "/*ANNOTATION_TYPE*/\n" +
100 "@interface TestAnnotationType{}\n";
102 // Create and compile FileObject using values for className and contents
103 public static boolean compileCode(String className, String contents,
104 DiagnosticCollector<JavaFileObject> diagnostics) {
105 boolean ok = false;
106 JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
107 if (compiler == null) {
108 throw new RuntimeException("can't get javax.tools.JavaCompiler!");
109 }
111 JavaFileObject file = getFile(className, contents);
112 Iterable<? extends JavaFileObject> compilationUnit = Arrays.asList(file);
114 CompilationTask task = compiler.getTask(null, null, diagnostics, null, null, compilationUnit);
115 ok = task.call();
116 return ok;
118 }
120 // Compile a list of FileObjects
121 public static boolean compileCode(DiagnosticCollector<JavaFileObject> diagnostics, Iterable<? extends JavaFileObject> files) {
122 JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
123 if (compiler == null) {
124 throw new RuntimeException("can't get javax.tools.JavaCompiler!");
125 }
127 CompilationTask task = compiler.getTask(null, null, diagnostics, null, null, files);
128 boolean ok = task.call();
129 return ok;
130 }
132 static JavaFileObject getFile(String name, String code) {
133 JavaFileObject o = null;
134 try {
135 o = new JavaStringFileObject(name, code);
136 } catch (URISyntaxException e) {
137 throw new RuntimeException(e);
138 }
139 return o;
140 }
141 static class JavaStringFileObject extends SimpleJavaFileObject {
142 final String theCode;
143 public JavaStringFileObject(String fileName, String theCode) throws URISyntaxException {
144 super(new URI("string:///" + fileName.replace('.','/') + ".java"), Kind.SOURCE);
145 this.theCode = theCode;
146 }
147 @Override
148 public CharSequence getCharContent(boolean ignoreEncodingErrors) {
149 return theCode;
150 }
151 }
152 }