jdk8-mips64-public/langtools: comparison test/tools/javac/api/8007344/Test.java

-:6df931ce1a81
+:0b1c88705568
+/*
+* Copyright (c) 2010, 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.
+*/
+/*
+* @test
+* @bug 8007344
+* @summary javac may not make tree end positions and/or doc comments
+*          available to processors and listeners
+* @library /tools/javac/lib
+* @build JavacTestingAbstractProcessor
+* @run main Test
+*/
+import java.io.File;
+import java.io.PrintWriter;
+import java.util.Arrays;
+import java.util.Set;
+import javax.annotation.processing.RoundEnvironment;
+import javax.lang.model.element.Element;
+import javax.lang.model.element.TypeElement;
+import javax.tools.JavaFileObject;
+import javax.tools.StandardJavaFileManager;
+import com.sun.source.doctree.DocCommentTree;
+import com.sun.source.tree.*;
+import com.sun.source.util.DocTrees;
+import com.sun.source.util.JavacTask;
+import com.sun.source.util.SourcePositions;
+import com.sun.source.util.TaskEvent;
+import com.sun.source.util.TaskListener;
+import com.sun.source.util.TreePath;
+import com.sun.source.util.TreePathScanner;
+import com.sun.tools.javac.api.JavacTool;
+import com.sun.tools.javac.tree.JCTree;
+import com.sun.tools.javac.tree.Pretty;
+import com.sun.tools.javac.util.Position;
+/** Doc comment: Test */
+public class Test {
+public static final int EXPECT_DOC_COMMENTS = 3;
+/** Doc comment: main */
+public static void main(String... args) throws Exception {
+PrintWriter out = new PrintWriter(System.err);
+try {
+new Test(out).run();
+} finally {
+out.flush();
+}
+}
+PrintWriter out;
+int errors;
+Test(PrintWriter out) {
+this.out = out;
+}
+/** Doc comment: run */
+void run() throws Exception {
+File testSrc = new File(System.getProperty("test.src"));
+File thisFile = new File(testSrc, getClass().getName() + ".java");
+JavacTool javac = JavacTool.create();
+StandardJavaFileManager fm = javac.getStandardFileManager(null, null, null);
+Iterable<? extends JavaFileObject> fos = fm.getJavaFileObjects(thisFile);
+testAnnoProcessor(javac, fm, fos, out, EXPECT_DOC_COMMENTS);
+testTaskListener(javac, fm, fos, out, EXPECT_DOC_COMMENTS);
+if (errors > 0)
+throw new Exception(errors + " errors occurred");
+}
+void testAnnoProcessor(JavacTool javac, StandardJavaFileManager fm,
+Iterable<? extends JavaFileObject> files, PrintWriter out,
+int expectedDocComments) {
+out.println("Test annotation processor");
+JavacTask task = javac.getTask(out, fm, null, null, null, files);
+AnnoProc ap = new AnnoProc(DocTrees.instance(task));
+task.setProcessors(Arrays.asList(ap));
+task.call();
+ap.checker.checkDocComments(expectedDocComments);
+}
+void testTaskListener(JavacTool javac, StandardJavaFileManager fm,
+Iterable<? extends JavaFileObject> files, PrintWriter out,
+int expectedDocComments) {
+out.println("Test task listener");
+JavacTask task = javac.getTask(out, fm, null, null, null, files);
+TaskListnr tl = new TaskListnr(DocTrees.instance(task));
+task.addTaskListener(tl);
+task.call();
+tl.checker.checkDocComments(expectedDocComments);
+}
+void error(String msg) {
+out.println("Error: " + msg);
+errors++;
+}
+class AnnoProc extends JavacTestingAbstractProcessor {
+Checker checker;
+AnnoProc(DocTrees trees) {
+checker = new Checker(trees);
+}
+@Override
+public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
+for (Element e : roundEnv.getRootElements()) {
+checker.scan(checker.trees.getPath(e), null);
+}
+return true;
+}
+}
+class TaskListnr implements TaskListener {
+Checker checker;
+TaskListnr(DocTrees trees) {
+checker = new Checker(trees);
+}
+public void started(TaskEvent e) {
+if (e.getKind() == TaskEvent.Kind.ANALYZE)
+checker.scan(new TreePath(e.getCompilationUnit()), null);
+}
+public void finished(TaskEvent e) {
+}
+}
+class Checker extends TreePathScanner<Void,Void> {
+DocTrees trees;
+SourcePositions srcPosns;
+int docComments = 0;
+Checker(DocTrees trees) {
+this.trees = trees;
+srcPosns = trees.getSourcePositions();
+}
+@Override
+public Void scan(Tree tree, Void ignore) {
+if (tree != null) {
+switch (tree.getKind()) {
+// HACK: Workaround 8007350
+// Some tree nodes do not have endpos set
+case ASSIGNMENT:
+case BLOCK:
+case IDENTIFIER:
+case METHOD_INVOCATION:
+break;
+default:
+checkEndPos(getCurrentPath().getCompilationUnit(), tree);
+}
+}
+return super.scan(tree, ignore);
+}
+@Override
+public Void visitClass(ClassTree tree, Void ignore) {
+checkComment();
+return super.visitClass(tree, ignore);
+}
+@Override
+public Void visitMethod(MethodTree tree, Void ignore) {
+checkComment();
+return super.visitMethod(tree, ignore);
+}
+@Override
+public Void visitVariable(VariableTree tree, Void ignore) {
+checkComment();
+return super.visitVariable(tree, ignore);
+}
+void checkComment() {
+DocCommentTree dc = trees.getDocCommentTree(getCurrentPath());
+if (dc != null) {
+out.println("comment: " + dc.toString().replaceAll("\\s+", " "));
+docComments++;
+}
+}
+void checkEndPos(CompilationUnitTree unit, Tree tree) {
+long sp = srcPosns.getStartPosition(unit, tree);
+long ep = srcPosns.getEndPosition(unit, tree);
+if (sp >= 0 && ep == Position.NOPOS) {
+error("endpos not set for " + tree.getKind()
++ " " + Pretty.toSimpleString(((JCTree) tree))
++", start:" + sp);
+}
+}
+void checkDocComments(int expected) {
+if (docComments != expected) {
+error("Unexpected number of doc comments received: "
++ docComments + ", expected: " + expected);
+}
+}
+}
+}

Mercurial > jdk8-mips64-public > langtools / file comparison

comparison: test/tools/javac/api/8007344/Test.java

test/tools/javac/api/8007344/Test.java