| /* |
| * Copyright (c) 2011, 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 7096014 |
| * @summary Javac tokens should retain state |
| * @modules jdk.compiler/com.sun.tools.javac.parser |
| * jdk.compiler/com.sun.tools.javac.tree |
| */ |
| |
| import com.sun.source.tree.*; |
| import com.sun.source.util.*; |
| import com.sun.tools.javac.tree.DocCommentTable; |
| import com.sun.tools.javac.tree.JCTree; |
| |
| import java.net.URI; |
| import java.util.*; |
| import javax.tools.*; |
| |
| |
| public class DocCommentToplevelTest { |
| |
| enum PackageKind { |
| HAS_PKG("package pkg;"), |
| NO_PKG(""); |
| |
| String pkgStr; |
| |
| PackageKind(String pkgStr) { |
| this.pkgStr = pkgStr; |
| } |
| } |
| |
| enum ImportKind { |
| ZERO(""), |
| ONE("import java.lang.*;"), |
| TWO("import java.lang.*; import java.util.*;"); |
| |
| String importStr; |
| |
| ImportKind(String importStr) { |
| this.importStr = importStr; |
| } |
| } |
| |
| enum ModifierKind { |
| DEFAULT(""), |
| PUBLIC("public"); |
| |
| String modStr; |
| |
| ModifierKind(String modStr) { |
| this.modStr = modStr; |
| } |
| } |
| |
| enum ToplevelDocKind { |
| HAS_DOC("/** Toplevel! */"), |
| NO_DOC(""); |
| |
| String docStr; |
| |
| ToplevelDocKind(String docStr) { |
| this.docStr = docStr; |
| } |
| } |
| |
| static int errors; |
| static int checks; |
| |
| public static void main(String... args) throws Exception { |
| //create default shared JavaCompiler - reused across multiple compilations |
| JavaCompiler comp = ToolProvider.getSystemJavaCompiler(); |
| try (StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null)) { |
| |
| for (PackageKind pk : PackageKind.values()) { |
| for (ImportKind ik : ImportKind.values()) { |
| for (ModifierKind mk1 : ModifierKind.values()) { |
| for (ModifierKind mk2 : ModifierKind.values()) { |
| for (ToplevelDocKind tdk : ToplevelDocKind.values()) { |
| new DocCommentToplevelTest(pk, ik, mk1, mk2, tdk).run(comp, fm); |
| } |
| } |
| } |
| } |
| } |
| |
| if (errors > 0) |
| throw new AssertionError(errors + " errors found"); |
| |
| System.out.println(checks + " checks were made"); |
| } |
| } |
| |
| PackageKind pk; |
| ImportKind ik; |
| ModifierKind mk1; |
| ModifierKind mk2; |
| ToplevelDocKind tdk; |
| JavaSource source; |
| |
| DocCommentToplevelTest(PackageKind pk, ImportKind ik, ModifierKind mk1, ModifierKind mk2, ToplevelDocKind tdk) { |
| this.pk = pk; |
| this.ik = ik; |
| this.mk1 = mk1; |
| this.mk2 = mk2; |
| this.tdk = tdk; |
| source = new JavaSource(); |
| } |
| |
| void run(JavaCompiler comp, JavaFileManager fm) throws Exception { |
| JavacTask task = (JavacTask)comp.getTask(null, fm, null, Arrays.asList("-printsource"), null, Arrays.asList(source)); |
| for (CompilationUnitTree cu: task.parse()) { |
| check(cu); |
| } |
| } |
| |
| void check(CompilationUnitTree cu) { |
| checks++; |
| |
| new TreeScanner<ClassTree,Void>() { |
| |
| DocCommentTable docComments; |
| |
| @Override |
| public ClassTree visitCompilationUnit(CompilationUnitTree node, Void unused) { |
| docComments = ((JCTree.JCCompilationUnit)node).docComments; |
| boolean expectedComment = tdk == ToplevelDocKind.HAS_DOC && |
| pk == PackageKind.NO_PKG && |
| ik != ImportKind.ZERO; |
| boolean foundComment = docComments.hasComment((JCTree) node); |
| if (expectedComment != foundComment) { |
| error("Unexpected comment " + docComments.getComment((JCTree) node) + " on toplevel"); |
| } |
| return super.visitCompilationUnit(node, null); |
| } |
| |
| @Override |
| public ClassTree visitPackage(PackageTree node, Void unused) { |
| boolean expectedComment = tdk == ToplevelDocKind.HAS_DOC && |
| pk != PackageKind.NO_PKG; |
| boolean foundComment = docComments.hasComment((JCTree) node); |
| if (expectedComment != foundComment) { |
| error("Unexpected comment " + docComments.getComment((JCTree) node) + " on toplevel"); |
| } |
| return super.visitPackage(node, null); |
| } |
| |
| @Override |
| public ClassTree visitClass(ClassTree node, Void unused) { |
| boolean expectedComment = tdk == ToplevelDocKind.HAS_DOC && |
| pk == PackageKind.NO_PKG && ik == ImportKind.ZERO && |
| node.getSimpleName().toString().equals("First"); |
| boolean foundComment = docComments.hasComment((JCTree) node); |
| if (expectedComment != foundComment) { |
| error("Unexpected comment " + docComments.getComment((JCTree) node) + " on class " + node.getSimpleName()); |
| } |
| return super.visitClass(node, unused); |
| } |
| }.scan(cu, null); |
| } |
| |
| void error(String msg) { |
| System.err.println("Error: " + msg); |
| System.err.println("Source: " + source.source); |
| errors++; |
| } |
| |
| class JavaSource extends SimpleJavaFileObject { |
| |
| String template = "#D\n#P\n#I\n" + |
| "#M1 class First { }\n" + |
| "#M2 class Second { }\n"; |
| |
| String source; |
| |
| public JavaSource() { |
| super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); |
| source = template.replace("#P", pk.pkgStr) |
| .replace("#I", ik.importStr) |
| .replace("#M1", mk1.modStr) |
| .replace("#M2", mk2.modStr) |
| .replace("#D", tdk.docStr); |
| } |
| |
| @Override |
| public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
| return source; |
| } |
| } |
| } |