• file
• revisions
• annotate
• diff
• comparison
• raw

test/tools/javac/tree/MakeQualIdent.java@2eb010b6cb22 (annotated)

test/tools/javac/tree/MakeQualIdent.java

Thu, 31 Aug 2017 15:17:03 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:17:03 +0800

changeset 2525

2eb010b6cb22

parent 0

959103a6100f

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 8023835
aoqi@0	27	* @summary Verify that TreeMaker.QualIdent(Symbol) field access cascade ends with
aoqi@0	28	* the top-level package (when no toplevel is set in TreeMaker)
aoqi@0	29	* @run main MakeQualIdent
aoqi@0	30	*/
aoqi@0	31
aoqi@0	32	import com.sun.source.tree.IdentifierTree;
aoqi@0	33	import com.sun.source.tree.MemberSelectTree;
aoqi@0	34	import com.sun.source.tree.Tree;
aoqi@0	35	import com.sun.source.util.JavacTask;
aoqi@0	36	import com.sun.source.util.TreeScanner;
aoqi@0	37	import com.sun.tools.javac.api.JavacTaskImpl;
aoqi@0	38	import com.sun.tools.javac.api.JavacTool;
aoqi@0	39	import com.sun.tools.javac.code.Symtab;
aoqi@0	40	import com.sun.tools.javac.tree.TreeMaker;
aoqi@0	41	import com.sun.tools.javac.util.Context;
aoqi@0	42	import java.util.ArrayList;
aoqi@0	43
aoqi@0	44	public class MakeQualIdent {
aoqi@0	45	public static void main(String... args) throws Exception {
aoqi@0	46	JavacTool tool = JavacTool.create();
aoqi@0	47	JavacTask task = tool.getTask(null, null, null, new ArrayList<String>(), null, null);
aoqi@0	48	Context ctx = ((JavacTaskImpl)task).getContext();
aoqi@0	49	TreeMaker treeMaker = TreeMaker.instance(ctx);
aoqi@0	50	Symtab syms = Symtab.instance(ctx);
aoqi@0	51
aoqi@0	52	String stringTree = printTree(treeMaker.QualIdent(syms.stringType.tsym));
aoqi@0	53
aoqi@0	54	if (!"java.lang.String".equals(stringTree)) {
aoqi@0	55	throw new IllegalStateException(stringTree);
aoqi@0	56	}
aoqi@0	57	}
aoqi@0	58
aoqi@0	59	private static String printTree(Tree tree) {
aoqi@0	60	final StringBuilder result = new StringBuilder();
aoqi@0	61
aoqi@0	62	new TreeScanner<Void, Void>() {
aoqi@0	63	@Override public Void visitIdentifier(IdentifierTree node, Void p) {
aoqi@0	64	result.append(node.getName());
aoqi@0	65	return super.visitIdentifier(node, p);
aoqi@0	66	}
aoqi@0	67	@Override public Void visitMemberSelect(MemberSelectTree node, Void p) {
aoqi@0	68	scan(node.getExpression(), null);
aoqi@0	69	result.append(".");
aoqi@0	70	result.append(node.getIdentifier());
aoqi@0	71	return null;
aoqi@0	72	}
aoqi@0	73	}.scan(tree, null);
aoqi@0	74
aoqi@0	75	return result.toString();
aoqi@0	76	}
aoqi@0	77	}