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 java.util.List; 29 import jdk.nashorn.internal.ir.FunctionNode; 30 31 final class FunctionExpressionTreeImpl extends ExpressionTreeImpl 32 implements FunctionExpressionTree { 33 private final FunctionNode funcNode; 34 private final String funcName; 35 private final List<? extends ExpressionTree> params; 36 private final BlockTree body; 37 38 FunctionExpressionTreeImpl(final FunctionNode node, 39 final List<? extends ExpressionTree> params, 40 final BlockTree body) { 41 super(node); 42 funcNode = node; 43 assert !funcNode.isDeclared() : "function expression expected"; 44 45 final FunctionNode.Kind kind = node.getKind(); 46 if (node.isAnonymous() || kind == FunctionNode.Kind.GETTER || kind == FunctionNode.Kind.SETTER) { 47 funcName = null; 48 } else { 49 funcName = node.getIdent().getName(); 50 } 51 52 this.params = params; 53 this.body = body; 54 } 55 56 @Override 57 public Tree.Kind getKind() { 58 return Tree.Kind.FUNCTION_EXPRESSION; 59 } 60 61 @Override 62 public String getName() { 63 return funcName; 64 } 65 66 @Override 67 public List<? extends ExpressionTree> getParameters() { 68 return params; 69 } 70 71 @Override 72 public BlockTree getBody() { 73 return body; 74 } 75 76 @Override 77 public boolean isStrict() { 78 return funcNode.isStrict(); 79 } 80 81 @Override 82 public <R,D> R accept(TreeVisitor<R,D> visitor, D data) { 83 return visitor.visitFunctionExpression(this, data); 84 } 85 }