1 /* 2 * Copyright (c) 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 package jdk.nashorn.api.tree; 26 27 import java.util.List; 28 import java.util.stream.Collectors; 29 import jdk.nashorn.internal.ir.FunctionNode; 30 import jdk.nashorn.internal.ir.IdentNode; 31 import jdk.nashorn.internal.ir.Module; 32 import static jdk.nashorn.api.tree.ModuleTreeImpl.identOrNull; 33 34 final class ImportEntryTreeImpl extends TreeImpl implements ImportEntryTree { 35 private final long startPos, endPos; 36 private final IdentifierTree moduleRequest; 37 private final IdentifierTree importName; 38 private final IdentifierTree localName; 39 40 private ImportEntryTreeImpl(final long startPos, final long endPos, 41 final IdentifierTree moduleRequest, 42 final IdentifierTree importName, 43 final IdentifierTree localName) { 44 super(null); // No underlying Node! 45 this.startPos = startPos; 46 this.endPos = endPos; 47 this.moduleRequest = moduleRequest; 48 this.importName = importName; 49 this.localName = localName; 50 } 51 52 private static ImportEntryTreeImpl createImportEntry(final Module.ImportEntry entry) { 53 return new ImportEntryTreeImpl(entry.getStartPosition(), 54 entry.getEndPosition(), 55 identOrNull(entry.getModuleRequest()), 56 identOrNull(entry.getImportName()), 57 identOrNull(entry.getLocalName())); 58 } 59 60 static List<ImportEntryTreeImpl> createImportList(final List<Module.ImportEntry> importList) { 61 return importList.stream(). 62 map(ImportEntryTreeImpl::createImportEntry). 63 collect(Collectors.toList()); 64 } 65 66 @Override 67 public Kind getKind() { 68 return Tree.Kind.IMPORT_ENTRY; 69 } 70 71 @Override 72 public <R,D> R accept(final TreeVisitor<R,D> visitor, final D data) { 73 return visitor.visitImportEntry(this, data); 74 } 75 76 @Override 77 public long getStartPosition() { 78 return startPos; 79 } 80 81 @Override 82 public long getEndPosition() { 83 return endPos; 84 } 85 86 @Override 87 public IdentifierTree getModuleRequest() { 88 return moduleRequest; 89 } 90 91 @Override 92 public IdentifierTree getImportName() { 93 return importName; 94 } 95 96 @Override 97 public IdentifierTree getLocalName() { 98 return localName; 99 } 100 }