| /* |
| * Copyright (c) 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| |
| package jdk.jshell; |
| |
| import jdk.jshell.Key.ExpressionKey; |
| |
| /** |
| * Snippet for an assignment or variable-value expression. |
| * The Kind is {@link jdk.jshell.Snippet.Kind#EXPRESSION}. |
| * <p> |
| * <code>ExpressionSnippet</code> is immutable: an access to |
| * any of its methods will always return the same result. |
| * and thus is thread-safe. |
| * @jls 15: Expression. |
| */ |
| public class ExpressionSnippet extends Snippet { |
| |
| ExpressionSnippet(ExpressionKey key, String userSource, Wrap guts, String name, SubKind subkind) { |
| super(key, userSource, guts, name, subkind, null); |
| } |
| |
| /** |
| * Variable name which is the value of the expression. Since the expression |
| * is either just a variable identifier or it is an assignment |
| * to a variable, there is always a variable which is the subject of the |
| * expression. All other forms of expression become temporary variables |
| * which are instead referenced by a {@link VarSnippet}. |
| * @return the name of the variable which is the subject of the expression. |
| */ |
| @Override |
| public String name() { |
| return key().name(); |
| } |
| |
| /** |
| * Type of the expression |
| * @return String representation of the type of the expression. |
| */ |
| public String typeName() { |
| return key().typeName(); |
| } |
| |
| /**** internal access ****/ |
| |
| @Override |
| ExpressionKey key() { |
| return (ExpressionKey) super.key(); |
| } |
| } |