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test/tools/javac/T6472751.java@7909abb85562 (annotated)

test/tools/javac/T6472751.java

Wed, 14 Nov 2018 10:18:25 -0800

author

diazhou

date

Wed, 14 Nov 2018 10:18:25 -0800

changeset 3762

7909abb85562

parent 554

9d9f26857129

child 2525

2eb010b6cb22

permissions

-rw-r--r--

Added tag jdk8u201-b04 for changeset a7f48b9dfb82

jjg@469	1	/*
ohair@554	2	* Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
jjg@469	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@469	4	*
jjg@469	5	* This code is free software; you can redistribute it and/or modify it
jjg@469	6	* under the terms of the GNU General Public License version 2 only, as
jjg@469	7	* published by the Free Software Foundation.
jjg@469	8	*
jjg@469	9	* This code is distributed in the hope that it will be useful, but WITHOUT
jjg@469	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@469	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
jjg@469	12	* version 2 for more details (a copy is included in the LICENSE file that
jjg@469	13	* accompanied this code).
jjg@469	14	*
jjg@469	15	* You should have received a copy of the GNU General Public License version
jjg@469	16	* 2 along with this work; if not, write to the Free Software Foundation,
jjg@469	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@469	18	*
ohair@554	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554	20	* or visit www.oracle.com if you need additional information or have any
ohair@554	21	* questions.
jjg@469	22	*/
jjg@469	23
jjg@469	24	/*
jjg@469	25	* @test
jjg@469	26	* @bug 6472751
jjg@469	27	* @summary SourcePositions.getStartPos returns incorrect value for enum constants
jjg@469	28	* @author Peter Ahe
jjg@469	29	*/
jjg@469	30
jjg@469	31	import com.sun.source.tree.CompilationUnitTree;
jjg@469	32	import com.sun.source.tree.Tree;
jjg@469	33	import com.sun.source.tree.Tree.Kind;
jjg@469	34	import com.sun.source.util.JavacTask;
jjg@469	35	import com.sun.source.util.SourcePositions;
jjg@469	36	import com.sun.source.util.TreeScanner;
jjg@469	37	import com.sun.source.util.Trees;
jjg@469	38	import com.sun.tools.javac.util.List;
jjg@469	39	import java.io.IOException;
jjg@469	40	import java.net.URI;
jjg@469	41	import javax.tools.JavaCompiler;
jjg@469	42	import javax.tools.JavaFileObject;
jjg@469	43	import javax.tools.SimpleJavaFileObject;
jjg@469	44	import javax.tools.ToolProvider;
jjg@469	45
jjg@469	46	public class T6472751 {
jjg@469	47	static class MyFileObject extends SimpleJavaFileObject {
jjg@469	48	public MyFileObject() {
jjg@469	49	super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
jjg@469	50	}
jjg@469	51	public CharSequence getCharContent(boolean ignoreEncodingErrors) {
jjg@469	52	return "public enum Test { ABC, DEF; }";
jjg@469	53	}
jjg@469	54	}
jjg@469	55	static Trees trees;
jjg@469	56	static SourcePositions positions;
jjg@469	57	public static void main(String[] args) throws IOException {
jjg@469	58	JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
jjg@469	59	JavacTask task = (JavacTask) compiler.getTask(null, null, null, null, null, List.of(new MyFileObject()));
jjg@469	60	trees = Trees.instance(task);
jjg@469	61	positions = trees.getSourcePositions();
jjg@469	62	Iterable<? extends CompilationUnitTree> asts = task.parse();
jjg@469	63	for (CompilationUnitTree ast : asts) {
jjg@469	64	new MyVisitor().scan(ast, null);
jjg@469	65	}
jjg@469	66	}
jjg@469	67
jjg@469	68	static class MyVisitor extends TreeScanner<Void,Void> {
jjg@469	69	@Override
jjg@469	70	public Void scan(Tree node, Void ignored) {
jjg@469	71	if (node == null)
jjg@469	72	return null;
jjg@469	73	Kind k = node.getKind();
jjg@469	74	long pos = positions.getStartPosition(null,node);
jjg@469	75	System.out.format("%s: %s%n", k, pos);
jjg@469	76	if (k != Kind.MODIFIERS && pos < 0)
jjg@469	77	throw new Error("unexpected position found");
jjg@469	78	return super.scan(node, ignored);
jjg@469	79	}
jjg@469	80	}
jjg@469	81	}