| /* |
| * Copyright (c) 2009, 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. |
| */ |
| |
| import java.io.*; |
| import java.net.*; |
| import javax.tools.*; |
| import java.util.*; |
| |
| import com.sun.source.tree.CompilationUnitTree; |
| import com.sun.source.util.JavacTask; |
| import com.sun.tools.javac.api.JavacTool; |
| import com.sun.tools.javac.tree.JCTree; |
| import com.sun.tools.javac.tree.Pretty; |
| |
| /** |
| * @test |
| * @bug 6902720 |
| * @summary javac pretty printer does not handle enums correctly |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.file |
| * jdk.compiler/com.sun.tools.javac.tree |
| */ |
| |
| public class Test { |
| |
| public static void main(String[] args) throws Exception { |
| Test t = new Test(); |
| t.run("E1.java", "E2.java"); |
| } |
| |
| void run(String... args) throws Exception { |
| File testSrcDir = new File(System.getProperty("test.src")); |
| for (String arg: args) { |
| test(new File(testSrcDir, arg)); |
| } |
| } |
| |
| void test(File test) throws Exception { |
| JavacTool tool1 = JavacTool.create(); |
| try (StandardJavaFileManager fm = tool1.getStandardFileManager(null, null, null)) { |
| Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(test); |
| |
| // parse test file into a tree, and write it out to a stringbuffer using Pretty |
| JavacTask t1 = tool1.getTask(null, fm, null, null, null, files); |
| StringWriter sw = new StringWriter(); |
| PrintWriter pw = new PrintWriter(sw); |
| Iterable<? extends CompilationUnitTree> trees = t1.parse(); |
| for (CompilationUnitTree tree: trees) { |
| new Pretty(pw, true).printExpr((JCTree) tree); |
| } |
| pw.close(); |
| |
| final String out = sw.toString(); |
| System.err.println("generated code:\n" + out + "\n"); |
| |
| // verify the generated code is valid Java by compiling it |
| JavacTool tool2 = JavacTool.create(); |
| JavaFileObject fo = new SimpleJavaFileObject(URI.create("output"), JavaFileObject.Kind.SOURCE) { |
| @Override |
| public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
| return out; |
| } |
| }; |
| JavacTask t2 = tool2.getTask(null, fm, null, null, null, Collections.singleton(fo)); |
| boolean ok = t2.call(); |
| if (!ok) |
| throw new Exception("compilation of generated code failed"); |
| |
| File expectedClass = new File(test.getName().replace(".java", ".class")); |
| if (!expectedClass.exists()) |
| throw new Exception(expectedClass + " not found"); |
| } |
| } |
| } |
| |