| /* |
| * Copyright (c) 2013, 2015, 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 8009724 |
| * @summary adding DocTreePath and DocTreePathScanner |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.file |
| */ |
| |
| import com.sun.source.doctree.DocCommentTree; |
| import com.sun.source.doctree.DocTree; |
| import com.sun.source.doctree.DocTree.Kind; |
| import com.sun.source.doctree.DocTreeVisitor; |
| import com.sun.source.tree.ClassTree; |
| import com.sun.source.tree.CompilationUnitTree; |
| import com.sun.source.tree.MethodTree; |
| import com.sun.source.tree.Tree; |
| import com.sun.source.tree.VariableTree; |
| import com.sun.source.util.DocTreePath; |
| import com.sun.source.util.DocTreePathScanner; |
| import com.sun.source.util.DocTreeScanner; |
| import com.sun.source.util.DocTrees; |
| import com.sun.source.util.JavacTask; |
| import com.sun.source.util.TreePath; |
| import com.sun.source.util.TreePathScanner; |
| import com.sun.tools.javac.api.JavacTool; |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.List; |
| import javax.lang.model.element.Name; |
| import javax.tools.JavaFileObject; |
| import javax.tools.StandardJavaFileManager; |
| |
| public class DocTreePathScannerTest { |
| public static void main(String... args) throws Exception { |
| DocTreePathScannerTest t = new DocTreePathScannerTest(); |
| t.run(); |
| } |
| |
| void run() throws Exception { |
| List<File> files = new ArrayList<File>(); |
| File testSrc = new File(System.getProperty("test.src")); |
| for (File f: testSrc.listFiles()) { |
| if (f.isFile() && f.getName().endsWith(".java")) |
| files.add(f); |
| } |
| |
| JavacTool javac = JavacTool.create(); |
| try (StandardJavaFileManager fm = javac.getStandardFileManager(null, null, null)) { |
| |
| Iterable<? extends JavaFileObject> fos = fm.getJavaFileObjectsFromFiles(files); |
| |
| JavacTask t = javac.getTask(null, fm, null, null, null, fos); |
| DocTrees trees = DocTrees.instance(t); |
| |
| Iterable<? extends CompilationUnitTree> units = t.parse(); |
| |
| DeclScanner ds = new DeclScanner(trees); |
| for (CompilationUnitTree unit: units) { |
| ds.scan(unit, null); |
| } |
| |
| if (errors > 0) |
| throw new Exception(errors + " errors occurred"); |
| } |
| } |
| |
| void error(String msg) { |
| System.err.println("Error: " + msg); |
| errors++; |
| } |
| |
| int errors; |
| |
| class DeclScanner extends TreePathScanner<Void, Void> { |
| DocTrees trees; |
| DocTreePathScanner<Void,Void> cs; |
| |
| DeclScanner(DocTrees trees) { |
| this.trees = trees; |
| cs = new CommentPathScanner(); |
| } |
| |
| @Override |
| public Void visitClass(ClassTree tree, Void ignore) { |
| super.visitClass(tree, ignore); |
| visitDecl(tree, tree.getSimpleName()); |
| return null; |
| } |
| |
| @Override |
| public Void visitMethod(MethodTree tree, Void ignore) { |
| super.visitMethod(tree, ignore); |
| visitDecl(tree, tree.getName()); |
| return null; |
| } |
| |
| @Override |
| public Void visitVariable(VariableTree tree, Void ignore) { |
| super.visitVariable(tree, ignore); |
| visitDecl(tree, tree.getName()); |
| return null; |
| } |
| |
| void visitDecl(Tree tree, Name name) { |
| TreePath path = getCurrentPath(); |
| DocCommentTree dc = trees.getDocCommentTree(path); |
| if (dc != null) |
| cs.scan(new DocTreePath(path, dc), null); |
| } |
| } |
| |
| class CommentPathScanner extends DocTreePathScanner<Void, Void> { |
| CommentPathScanner() {} |
| |
| @Override |
| public Void scan(final DocTree tree, Void ignore) { |
| if (tree != null) { |
| DocTree previous = null; |
| for (DocTree current : getCurrentPath()) { |
| if (previous != null) { |
| final List<DocTree> children = new ArrayList<>(); |
| current.accept(new DocTreeScanner<Void, Void>() { |
| @Override public Void scan(DocTree node, Void p) { |
| children.add(node); |
| return null; |
| } |
| }, null); |
| |
| if (!children.contains(previous)) { |
| error("Invalid DocTreePath for: " + tree); |
| } |
| } |
| |
| previous = current; |
| } |
| } |
| return super.scan(tree, ignore); |
| } |
| } |
| |
| } |