Wed, 27 Apr 2016 01:34:52 +0800
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | /* |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @bug 6988836 |
aoqi@0 | 27 | * @summary A new JavacElements is created for each round of annotation processing |
aoqi@0 | 28 | * @library /tools/javac/lib |
aoqi@0 | 29 | * @build JavacTestingAbstractProcessor TestContext |
aoqi@0 | 30 | * @compile/process -processor TestContext -XprintRounds TestContext |
aoqi@0 | 31 | */ |
aoqi@0 | 32 | |
aoqi@0 | 33 | import java.io.*; |
aoqi@0 | 34 | import java.util.*; |
aoqi@0 | 35 | import javax.annotation.processing.*; |
aoqi@0 | 36 | import javax.lang.model.element.*; |
aoqi@0 | 37 | import static javax.tools.Diagnostic.Kind.*; |
aoqi@0 | 38 | |
aoqi@0 | 39 | import com.sun.source.util.Trees; |
aoqi@0 | 40 | import com.sun.tools.javac.api.JavacTrees; |
aoqi@0 | 41 | import com.sun.tools.javac.model.JavacElements; |
aoqi@0 | 42 | import com.sun.tools.javac.model.JavacTypes; |
aoqi@0 | 43 | import com.sun.tools.javac.processing.JavacProcessingEnvironment; |
aoqi@0 | 44 | import com.sun.tools.javac.util.Context; |
aoqi@0 | 45 | |
aoqi@0 | 46 | public class TestContext extends JavacTestingAbstractProcessor { |
aoqi@0 | 47 | |
aoqi@0 | 48 | Trees treeUtils; |
aoqi@0 | 49 | int round = 0; |
aoqi@0 | 50 | |
aoqi@0 | 51 | @Override |
aoqi@0 | 52 | public void init(ProcessingEnvironment pEnv) { |
aoqi@0 | 53 | super.init(pEnv); |
aoqi@0 | 54 | treeUtils = Trees.instance(processingEnv); |
aoqi@0 | 55 | } |
aoqi@0 | 56 | |
aoqi@0 | 57 | @Override |
aoqi@0 | 58 | public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { |
aoqi@0 | 59 | round++; |
aoqi@0 | 60 | |
aoqi@0 | 61 | JavacProcessingEnvironment jpe = (JavacProcessingEnvironment) processingEnv; |
aoqi@0 | 62 | Context c = jpe.getContext(); |
aoqi@0 | 63 | check(c.get(JavacElements.class), eltUtils); |
aoqi@0 | 64 | check(c.get(JavacTypes.class), typeUtils); |
aoqi@0 | 65 | check(c.get(JavacTrees.class), treeUtils); |
aoqi@0 | 66 | |
aoqi@0 | 67 | final int MAXROUNDS = 3; |
aoqi@0 | 68 | if (round < MAXROUNDS) |
aoqi@0 | 69 | generateSource("Gen" + round); |
aoqi@0 | 70 | |
aoqi@0 | 71 | return true; |
aoqi@0 | 72 | } |
aoqi@0 | 73 | |
aoqi@0 | 74 | <T> void check(T actual, T expected) { |
aoqi@0 | 75 | // messager.printMessage(NOTE, "expect: " + expected); |
aoqi@0 | 76 | // messager.printMessage(NOTE, "actual: " + actual); |
aoqi@0 | 77 | |
aoqi@0 | 78 | if (actual != expected) { |
aoqi@0 | 79 | messager.printMessage(ERROR, |
aoqi@0 | 80 | "round " + round + " unexpected value for " + expected.getClass().getName() + ": " + actual); |
aoqi@0 | 81 | } |
aoqi@0 | 82 | } |
aoqi@0 | 83 | |
aoqi@0 | 84 | void generateSource(String name) { |
aoqi@0 | 85 | String text = "class " + name + " { }\n"; |
aoqi@0 | 86 | |
aoqi@0 | 87 | try (Writer out = filer.createSourceFile(name).openWriter()) { |
aoqi@0 | 88 | out.write(text); |
aoqi@0 | 89 | } catch (IOException e) { |
aoqi@0 | 90 | throw new Error(e); |
aoqi@0 | 91 | } |
aoqi@0 | 92 | } |
aoqi@0 | 93 | |
aoqi@0 | 94 | } |
aoqi@0 | 95 |