--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/processing/errors/StopOnInapplicableAnnotations/Processor.java Mon Oct 14 22:11:09 2013 +0200
@@ -0,0 +1,170 @@
+/*
+ * Copyright (c) 2013, 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.
+ */
+
+import com.sun.source.tree.AnnotationTree;
+import com.sun.source.tree.CompilationUnitTree;
+import com.sun.source.util.JavacTask;
+import com.sun.source.util.TreeScanner;
+import com.sun.source.util.Trees;
+import com.sun.tools.javac.api.JavacTool;
+import com.sun.tools.javac.file.JavacFileManager;
+import com.sun.tools.javac.util.Assert;
+import java.io.File;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Set;
+import javax.annotation.processing.AbstractProcessor;
+import javax.annotation.processing.RoundEnvironment;
+import javax.annotation.processing.SupportedAnnotationTypes;
+import javax.lang.model.element.TypeElement;
+import javax.tools.Diagnostic;
+import javax.tools.DiagnosticListener;
+import javax.tools.FileObject;
+import javax.tools.ForwardingJavaFileManager;
+import javax.tools.JavaFileManager;
+import javax.tools.JavaFileObject;
+import javax.tools.SimpleJavaFileObject;
+
+@SupportedAnnotationTypes("*")
+public class Processor extends AbstractProcessor {
+
+ @Override
+ public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
+ throw new IllegalStateException("Should not be invoked.");
+ }
+
+ public static void main(String... args) throws IOException, URISyntaxException {
+ if (args.length != 1) throw new IllegalStateException("Must provide class name!");
+ String testContent = null;
+ List<File> sourcePath = new ArrayList<>();
+ for (String sourcePaths : System.getProperty("test.src.path").split(":")) {
+ sourcePath.add(new File(sourcePaths));
+ }
+ JavacFileManager fm = JavacTool.create().getStandardFileManager(null, null, null);
+ for (File sp : sourcePath) {
+ File inp = new File(sp, args[0]);
+
+ if (inp.canRead()) {
+ testContent = fm.getRegularFile(inp).getCharContent(true).toString();
+ }
+ }
+ if (testContent == null) throw new IllegalStateException();
+ DiagnosticListener<JavaFileObject> devNull = new DiagnosticListener<JavaFileObject>() {
+ @Override public void report(Diagnostic<? extends JavaFileObject> diagnostic) { }
+ };
+ JavaFileObject testFile = new TestFO(new URI("mem://" + args[0]), testContent);
+ JavacTask task = JavacTool.create().getTask(null,
+ new TestFM(fm),
+ devNull,
+ Arrays.asList("-Xjcov"),
+ null,
+ Arrays.asList(testFile));
+ final Trees trees = Trees.instance(task);
+ final CompilationUnitTree cut = task.parse().iterator().next();
+ task.analyze();
+
+ final List<int[]> annotations = new ArrayList<>();
+
+ new TreeScanner<Void, Void>() {
+ @Override
+ public Void visitAnnotation(AnnotationTree node, Void p) {
+ int endPos = (int) trees.getSourcePositions().getEndPosition(cut, node);
+
+ Assert.check(endPos >= 0);
+
+ annotations.add(new int[] {(int) trees.getSourcePositions().getStartPosition(cut, node), endPos});
+ return super.visitAnnotation(node, p);
+ }
+ }.scan(cut.getTypeDecls().get(0), null);
+
+ Collections.sort(annotations, new Comparator<int[]>() {
+ @Override public int compare(int[] o1, int[] o2) {
+ return o2[0] - o1[0];
+ }
+ });
+
+ for (final int[] annotation : annotations) {
+ StringBuilder updatedContent = new StringBuilder();
+ int last = testContent.length();
+
+ for (int[] toRemove : annotations) {
+ if (toRemove == annotation) continue;
+ updatedContent.insert(0, testContent.substring(toRemove[1], last));
+ last = toRemove[0];
+ }
+
+ updatedContent.insert(0, testContent.substring(0, last));
+
+ JavaFileObject updatedFile = new TestFO(new URI("mem://" + args[0]), updatedContent.toString());
+ JavacTask testTask = JavacTool.create().getTask(null,
+ new TestFM(fm),
+ devNull,
+ Arrays.asList("-processor", "Processor"),
+ null,
+ Arrays.asList(updatedFile));
+
+ try {
+ testTask.analyze();
+ } catch (Throwable e) {
+ System.out.println("error while processing:");
+ System.out.println(updatedContent);
+ throw e;
+ }
+ }
+ }
+
+ private static final class TestFO extends SimpleJavaFileObject {
+ private final String content;
+ public TestFO(URI uri, String content) {
+ super(uri, Kind.SOURCE);
+ this.content = content;
+ }
+
+ @Override public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
+ return content;
+ }
+
+ @Override public boolean isNameCompatible(String simpleName, Kind kind) {
+ return true;
+ }
+ }
+
+ private static final class TestFM extends ForwardingJavaFileManager<JavaFileManager> {
+
+ public TestFM(JavaFileManager fileManager) {
+ super(fileManager);
+ }
+
+ @Override
+ public boolean isSameFile(FileObject a, FileObject b) {
+ return a.equals(b);
+ }
+
+ }
+}
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