1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.nashorn.api.tree; 27 28 import jdk.nashorn.internal.ir.LiteralNode; 29 import jdk.nashorn.internal.parser.Lexer; 30 31 final class RegExpLiteralTreeImpl extends ExpressionTreeImpl 32 implements RegExpLiteralTree { 33 private final String pattern; 34 private final String options; 35 RegExpLiteralTreeImpl(final LiteralNode<?> node) { 36 super(node); 37 assert node.getValue() instanceof Lexer.RegexToken : "regexp expected"; 38 final Lexer.RegexToken regex = (Lexer.RegexToken) node.getValue(); 39 this.pattern = regex.getExpression(); 40 this.options = regex.getOptions(); 41 } 42 43 @Override 44 public Kind getKind() { 45 return Kind.REGEXP_LITERAL; 46 } 47 48 @Override 49 public String getPattern() { 50 return pattern; 51 } 52 53 @Override 54 public String getOptions() { 55 return options; 56 } 57 58 @Override 59 public <R,D> R accept(TreeVisitor<R,D> visitor, D data) { 60 return visitor.visitRegExpLiteral(this, data); 61 } 62 }