1 /* 2 * Copyright (c) 2015, 2016, 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.internal.ir; 27 28 import java.util.Collections; 29 import java.util.List; 30 31 import jdk.nashorn.internal.codegen.types.Type; 32 import jdk.nashorn.internal.ir.visitor.NodeVisitor; 33 34 /** 35 * IR for CoverParenthesizedExpressionAndArrowParameterList, used only during parsing. 36 */ 37 public final class ExpressionList extends Expression { 38 private static final long serialVersionUID = 1L; 39 40 private final List<Expression> expressions; 41 42 /** 43 * Constructor. 44 * 45 * @param token token 46 * @param finish finish 47 * @param expressions expression 48 */ 49 public ExpressionList(final long token, final int finish, final List<Expression> expressions) { 50 super(token, finish); 51 this.expressions = expressions; 52 } 53 54 /** 55 * Get the list of expressions. 56 * 57 * @return the list of expressions 58 */ 59 public List<Expression> getExpressions() { 60 return Collections.unmodifiableList(expressions); 61 } 62 63 @Override 64 public Node accept(final NodeVisitor<? extends LexicalContext> visitor) { 65 throw new UnsupportedOperationException(); 66 } 67 68 @Override 69 public Type getType() { 70 return null; 71 } 72 73 @Override 74 public void toString(StringBuilder sb, boolean printType) { 75 sb.append("("); 76 boolean first = true; 77 for (Expression expression : expressions) { 78 if (first) { 79 first = false; 80 } else { 81 sb.append(", "); 82 } 83 expression.toString(sb, printType); 84 } 85 sb.append(")"); 86 } 87 }