test/langtools/tools/javac/processing/6994946/TestProcessor.java
author jlahoda
Fri, 15 Feb 2019 12:09:53 +0100
changeset 53773 454d54d8af1c
parent 47216 71c04702a3d5
permissions -rw-r--r--
8217381: Incovenient errors reported when annotation processor generates source file and errors in the same round Summary: When an annotation processor reports and error, defer reporting recoverable errors from the erroneous round to the last round, to avoid reporting errors that were resolved in the erroneous round. Reviewed-by: jjg

/*
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 * 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.
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import java.util.*;
import javax.annotation.processing.*;
import javax.lang.model.*;
import javax.lang.model.element.*;
import static javax.tools.Diagnostic.Kind.*;

import com.sun.source.util.TreePath;
import com.sun.source.util.Trees;

public class TestProcessor extends JavacTestingAbstractProcessor {
   private int round = 0;

   public boolean process(Set<? extends TypeElement> annotations,
                  RoundEnvironment roundEnv) {
        if (++round == 1) {
            messager.printMessage(ERROR, "Deliberate Error");
            Trees trees = Trees.instance(processingEnv);
            TreePath elPath = trees.getPath(roundEnv.getRootElements().iterator().next());
            trees.printMessage(ERROR, "Deliberate Error on Trees",
                               elPath.getLeaf(), elPath.getCompilationUnit());
        }
        return false;
   }
}