| /* |
| * Copyright (c) 2013, 2016, 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 8017216 8019422 8019421 8054956 |
| * @summary verify start and end positions |
| * @modules java.compiler |
| * jdk.compiler |
| * @run main TreeEndPosTest |
| */ |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.net.URI; |
| import java.util.ArrayList; |
| import java.util.List; |
| import javax.tools.Diagnostic; |
| import javax.tools.DiagnosticCollector; |
| import javax.tools.JavaCompiler; |
| import javax.tools.JavaFileManager; |
| import javax.tools.JavaFileObject; |
| import javax.tools.SimpleJavaFileObject; |
| import javax.tools.ToolProvider; |
| |
| public class TreeEndPosTest { |
| private static JavaFileManager getJavaFileManager(JavaCompiler compiler, |
| DiagnosticCollector dc) { |
| return compiler.getStandardFileManager(dc, null, null); |
| } |
| |
| static class JavaSource extends SimpleJavaFileObject { |
| |
| final String source; |
| int startPos; |
| int endPos; |
| |
| private JavaSource(String filename, String source) { |
| super(URI.create("myfo:/" + filename), JavaFileObject.Kind.SOURCE); |
| this.source = source; |
| } |
| |
| @Override |
| public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
| return source; |
| } |
| |
| static JavaSource createJavaSource(String preamble, String body, |
| String postamble, String expected) { |
| JavaSource js = createJavaSource(preamble, body, postamble, -1, -1); |
| js.startPos = js.source.indexOf(expected); |
| js.endPos = js.startPos + expected.length(); |
| return js; |
| } |
| |
| static JavaSource createJavaSource(String body, String expected) { |
| return createJavaSource(null, body, null, expected); |
| } |
| |
| private static JavaSource createJavaSource(String preamble, String body, |
| String postamble, int start, int end) { |
| final String name = "Bug"; |
| StringBuilder code = new StringBuilder(); |
| if (preamble != null) { |
| code.append(preamble); |
| } |
| code.append("public class " + name + "{"); |
| if (body != null) { |
| code.append(body); |
| } |
| code.append("}"); |
| if (postamble != null) { |
| code.append(postamble); |
| } |
| JavaSource js = new JavaSource(name + ".java", code.toString()); |
| js.startPos = start; |
| js.endPos = end; |
| return js; |
| } |
| } |
| |
| public static void main(String... args) throws IOException { |
| testUninitializedVariable(); |
| testMissingAnnotationValue(); |
| testUnresolvableAnnotationAttribute(); |
| testFinalVariableWithDefaultConstructor(); |
| testFinalVariableWithConstructor(); |
| } |
| |
| static void testUninitializedVariable() throws IOException { |
| compile(JavaSource.createJavaSource("Object o = new A().new B(); class A { }", |
| "B()")); |
| } |
| static void testMissingAnnotationValue() throws IOException { |
| compile(JavaSource.createJavaSource("@Foo(\"vvvv\")", |
| null, "@interface Foo { }", "\"vvvv\"")); |
| } |
| |
| static void testUnresolvableAnnotationAttribute() throws IOException { |
| compile(JavaSource.createJavaSource("@Foo(value=\"vvvv\")", |
| null, "@interface Foo { }", "value")); |
| } |
| |
| static void testFinalVariableWithDefaultConstructor() throws IOException { |
| compile(JavaSource.createJavaSource("private static final String Foo; public void bar() { }", |
| "private static final String Foo;")); |
| } |
| |
| static void testFinalVariableWithConstructor() throws IOException { |
| compile(JavaSource.createJavaSource("public Bug (){} private static final String Foo; public void bar() { }", |
| "{}")); |
| } |
| |
| static void compile(JavaSource src) throws IOException { |
| ByteArrayOutputStream ba = new ByteArrayOutputStream(); |
| PrintWriter writer = new PrintWriter(ba); |
| File tempDir = new File("."); |
| JavaCompiler compiler = ToolProvider.getSystemJavaCompiler(); |
| DiagnosticCollector dc = new DiagnosticCollector(); |
| try (JavaFileManager javaFileManager = getJavaFileManager(compiler, dc)) { |
| List<String> options = new ArrayList<>(); |
| options.add("-cp"); |
| options.add(tempDir.getPath()); |
| options.add("-d"); |
| options.add(tempDir.getPath()); |
| options.add("-Xshouldstop:at=GENERATE"); |
| |
| List<JavaFileObject> sources = new ArrayList<>(); |
| sources.add(src); |
| JavaCompiler.CompilationTask task = |
| compiler.getTask(writer, javaFileManager, |
| dc, options, null, |
| sources); |
| task.call(); |
| for (Diagnostic diagnostic : (List<Diagnostic>) dc.getDiagnostics()) { |
| long actualStart = diagnostic.getStartPosition(); |
| long actualEnd = diagnostic.getEndPosition(); |
| System.out.println("Source: " + src.source); |
| System.out.println("Diagnostic: " + diagnostic); |
| System.out.print("Start position: Expected: " + src.startPos); |
| System.out.println(", Actual: " + actualStart); |
| System.out.print("End position: Expected: " + src.endPos); |
| System.out.println(", Actual: " + actualEnd); |
| if (src.startPos != actualStart || src.endPos != actualEnd) { |
| throw new RuntimeException("error: trees don't match"); |
| } |
| } |
| } |
| } |
| } |