83 lines
3.1 KiB
Java
83 lines
3.1 KiB
Java
/*
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* Copyright (c) 2006, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6472751
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* @summary SourcePositions.getStartPos returns incorrect value for enum constants
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* @author Peter Ahe
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* @modules jdk.compiler/com.sun.tools.javac.util
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*/
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import com.sun.source.tree.CompilationUnitTree;
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import com.sun.source.tree.Tree;
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import com.sun.source.tree.Tree.Kind;
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import com.sun.source.util.JavacTask;
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import com.sun.source.util.SourcePositions;
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import com.sun.source.util.TreeScanner;
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import com.sun.source.util.Trees;
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import com.sun.tools.javac.util.List;
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import java.io.IOException;
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import java.net.URI;
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import javax.tools.JavaCompiler;
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import javax.tools.JavaFileObject;
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import javax.tools.SimpleJavaFileObject;
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import javax.tools.ToolProvider;
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public class T6472751 {
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static class MyFileObject extends SimpleJavaFileObject {
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public MyFileObject() {
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super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
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}
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public CharSequence getCharContent(boolean ignoreEncodingErrors) {
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return "public enum Test { ABC, DEF; }";
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}
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}
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static Trees trees;
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static SourcePositions positions;
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public static void main(String[] args) throws IOException {
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JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
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JavacTask task = (JavacTask) compiler.getTask(null, null, null, null, null, List.of(new MyFileObject()));
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trees = Trees.instance(task);
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positions = trees.getSourcePositions();
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Iterable<? extends CompilationUnitTree> asts = task.parse();
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for (CompilationUnitTree ast : asts) {
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new MyVisitor().scan(ast, null);
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}
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}
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static class MyVisitor extends TreeScanner<Void,Void> {
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@Override
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public Void scan(Tree node, Void ignored) {
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if (node == null)
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return null;
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Kind k = node.getKind();
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long pos = positions.getStartPosition(null,node);
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System.out.format("%s: %s%n", k, pos);
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if (k != Kind.MODIFIERS && pos < 0)
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throw new Error("unexpected position found");
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return super.scan(node, ignored);
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}
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}
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}
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