test/tools/javac/processing/environment/round/TestContext.java

changeset 706
971c8132f5b2
child 932
edf03ca74991
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/processing/environment/round/TestContext.java	Tue Oct 05 11:34:43 2010 -0700
     1.3 @@ -0,0 +1,96 @@
     1.4 +/*
     1.5 + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/*
    1.28 + * @test
    1.29 + * @bug 6988836
    1.30 + * @summary A new JavacElements is created for each round of annotation processing
    1.31 + * @library ../../../lib
    1.32 + * @build JavacTestingAbstractProcessor TestContext
    1.33 + * @compile/process -processor TestContext -XprintRounds TestContext
    1.34 + */
    1.35 +
    1.36 +import java.io.*;
    1.37 +import java.util.*;
    1.38 +import javax.annotation.processing.*;
    1.39 +import javax.lang.model.element.*;
    1.40 +import javax.tools.*;
    1.41 +import static javax.tools.Diagnostic.Kind.*;
    1.42 +
    1.43 +import com.sun.source.util.Trees;
    1.44 +import com.sun.tools.javac.api.JavacTrees;
    1.45 +import com.sun.tools.javac.model.JavacElements;
    1.46 +import com.sun.tools.javac.model.JavacTypes;
    1.47 +import com.sun.tools.javac.processing.JavacProcessingEnvironment;
    1.48 +import com.sun.tools.javac.util.Context;
    1.49 +
    1.50 +public class TestContext extends JavacTestingAbstractProcessor {
    1.51 +
    1.52 +    Trees treeUtils;
    1.53 +    int round = 0;
    1.54 +
    1.55 +    @Override
    1.56 +    public void init(ProcessingEnvironment pEnv) {
    1.57 +        super.init(pEnv);
    1.58 +        treeUtils = Trees.instance(processingEnv);
    1.59 +    }
    1.60 +
    1.61 +    @Override
    1.62 +    public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
    1.63 +        round++;
    1.64 +
    1.65 +        JavacProcessingEnvironment jpe = (JavacProcessingEnvironment) processingEnv;
    1.66 +        Context c = jpe.getContext();
    1.67 +        check(c.get(JavacElements.class), eltUtils);
    1.68 +        check(c.get(JavacTypes.class), typeUtils);
    1.69 +        check(c.get(JavacTrees.class), treeUtils);
    1.70 +
    1.71 +        final int MAXROUNDS = 3;
    1.72 +        if (round < MAXROUNDS)
    1.73 +            generateSource("Gen" + round);
    1.74 +
    1.75 +        return true;
    1.76 +    }
    1.77 +
    1.78 +    <T> void check(T actual, T expected) {
    1.79 +//        messager.printMessage(NOTE, "expect: " + expected);
    1.80 +//        messager.printMessage(NOTE, "actual: " + actual);
    1.81 +
    1.82 +        if (actual != expected) {
    1.83 +            messager.printMessage(ERROR,
    1.84 +                "round " + round + " unexpected value for " + expected.getClass().getName() + ": " + actual);
    1.85 +        }
    1.86 +    }
    1.87 +
    1.88 +    void generateSource(String name) {
    1.89 +        String text = "class " + name + " { }\n";
    1.90 +
    1.91 +        try (Writer out = filer.createSourceFile(name).openWriter()) {
    1.92 +                out.write(text);
    1.93 +        } catch (IOException e) {
    1.94 +            throw new Error(e);
    1.95 +        }
    1.96 +    }
    1.97 +
    1.98 +}
    1.99 +

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