| /* |
| * Copyright (c) 2010, 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 6988836 |
| * @summary A new JavacElements is created for each round of annotation processing |
| * @library /tools/javac/lib |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.model |
| * jdk.compiler/com.sun.tools.javac.processing |
| * jdk.compiler/com.sun.tools.javac.util |
| * @build JavacTestingAbstractProcessor TestContext |
| * @compile/process -processor TestContext -XprintRounds TestContext |
| */ |
| |
| import java.io.*; |
| import java.util.*; |
| import javax.annotation.processing.*; |
| import javax.lang.model.element.*; |
| import static javax.tools.Diagnostic.Kind.*; |
| |
| import com.sun.source.util.Trees; |
| import com.sun.tools.javac.api.JavacTrees; |
| import com.sun.tools.javac.model.JavacElements; |
| import com.sun.tools.javac.model.JavacTypes; |
| import com.sun.tools.javac.processing.JavacProcessingEnvironment; |
| import com.sun.tools.javac.util.Context; |
| |
| public class TestContext extends JavacTestingAbstractProcessor { |
| |
| Trees treeUtils; |
| int round = 0; |
| |
| @Override |
| public void init(ProcessingEnvironment pEnv) { |
| super.init(pEnv); |
| treeUtils = Trees.instance(processingEnv); |
| } |
| |
| @Override |
| public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { |
| round++; |
| |
| JavacProcessingEnvironment jpe = (JavacProcessingEnvironment) processingEnv; |
| Context c = jpe.getContext(); |
| check(c.get(JavacElements.class), eltUtils); |
| check(c.get(JavacTypes.class), typeUtils); |
| check(c.get(JavacTrees.class), treeUtils); |
| |
| final int MAXROUNDS = 3; |
| if (round < MAXROUNDS) |
| generateSource("Gen" + round); |
| |
| return true; |
| } |
| |
| <T> void check(T actual, T expected) { |
| // messager.printMessage(NOTE, "expect: " + expected); |
| // messager.printMessage(NOTE, "actual: " + actual); |
| |
| if (actual != expected) { |
| messager.printMessage(ERROR, |
| "round " + round + " unexpected value for " + expected.getClass().getName() + ": " + actual); |
| } |
| } |
| |
| void generateSource(String name) { |
| String text = "class " + name + " { }\n"; |
| |
| try (Writer out = filer.createSourceFile(name).openWriter()) { |
| out.write(text); |
| } catch (IOException e) { |
| throw new Error(e); |
| } |
| } |
| |
| } |
| |