1 /*
   2  * Copyright (c) 2006, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6412669 6997958
  27  * @summary Should be able to get SourcePositions from 269 world
  28  * @modules jdk.compiler/com.sun.tools.javac.api
  29  *          jdk.compiler/com.sun.tools.javac.file
  30  */
  31 
  32 import java.io.*;
  33 import java.net.*;
  34 import java.util.*;
  35 import javax.annotation.*;
  36 import javax.annotation.processing.*;
  37 import javax.lang.model.*;
  38 import javax.lang.model.element.*;
  39 import javax.tools.*;
  40 import com.sun.source.util.*;
  41 import com.sun.tools.javac.api.*;
  42 
  43 @SupportedAnnotationTypes("*")
  44 public class T6412669 extends AbstractProcessor {
  45     public static void main(String... args) throws Exception {
  46         File testSrc = new File(System.getProperty("test.src", "."));
  47         File testClasses = new File(System.getProperty("test.classes", "."));
  48 
  49         JavacTool tool = JavacTool.create();
  50         try (StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null)) {
  51             fm.setLocation(StandardLocation.CLASS_PATH, Arrays.asList(testClasses));
  52             Iterable<? extends JavaFileObject> files =
  53                 fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, T6412669.class.getName()+".java")));
  54             String[] opts = {
  55                 "-proc:only",
  56                 "-processor", T6412669.class.getName(),
  57                 "--add-exports", "jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED"
  58             };
  59             StringWriter sw = new StringWriter();
  60             JavacTask task = tool.getTask(sw, fm, null, Arrays.asList(opts), null, files);
  61             boolean ok = task.call();
  62             String out = sw.toString();
  63             if (!out.isEmpty())
  64                 System.err.println(out);
  65             if (!ok)
  66                 throw new AssertionError("compilation of test program failed");
  67             // verify we found an annotated element to exercise the SourcePositions API
  68             if (!out.contains("processing element"))
  69                 throw new AssertionError("expected text not found in compilation output");
  70         }
  71     }
  72 
  73     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
  74         Trees trees = Trees.instance(processingEnv);
  75         SourcePositions sp = trees.getSourcePositions();
  76         Messager m = processingEnv.getMessager();
  77         m.printMessage(Diagnostic.Kind.NOTE, "processing annotations");
  78         int count = 0;
  79         for (TypeElement anno: annotations) {
  80             count++;
  81             m.printMessage(Diagnostic.Kind.NOTE, "  processing annotation " + anno);
  82             for (Element e: roundEnv.getElementsAnnotatedWith(anno)) {
  83                 m.printMessage(Diagnostic.Kind.NOTE, "    processing element " + e);
  84                 TreePath p = trees.getPath(e);
  85                 long start = sp.getStartPosition(p.getCompilationUnit(), p.getLeaf());
  86                 long end = sp.getEndPosition(p.getCompilationUnit(), p.getLeaf());
  87                 Diagnostic.Kind k = (start > 0 && end > 0 && start < end
  88                                      ? Diagnostic.Kind.NOTE : Diagnostic.Kind.ERROR);
  89                 m.printMessage(k, "test [" + start + "," + end + "]", e);
  90             }
  91         }
  92         if (count == 0)
  93             m.printMessage(Diagnostic.Kind.NOTE, "no annotations found");
  94         return true;
  95     }
  96 
  97     @Override
  98     public SourceVersion getSupportedSourceVersion() {
  99         return SourceVersion.latest();
 100     }
 101 }