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 ExportEntryTreeImpl extends TreeImpl implements ExportEntryTree {
  35     private final long startPos, endPos;
  36     private final IdentifierTree exportName;
  37     private final IdentifierTree moduleRequest;
  38     private final IdentifierTree importName;
  39     private final IdentifierTree localName;
  40 
  41     private ExportEntryTreeImpl(final long startPos, final long endPos,
  42             final IdentifierTree exportName,
  43             final IdentifierTree moduleRequest,
  44             final IdentifierTree importName,
  45             final IdentifierTree localName) {
  46         super(null); // no underlying Node!
  47         this.startPos = startPos;
  48         this.endPos = endPos;
  49         this.exportName = exportName;
  50         this.moduleRequest = moduleRequest;
  51         this.importName = importName;
  52         this.localName = localName;
  53     }
  54 
  55     private static ExportEntryTreeImpl createExportEntry(final Module.ExportEntry entry) {
  56         return new ExportEntryTreeImpl(entry.getStartPosition(),
  57                 entry.getEndPosition(),
  58                 identOrNull(entry.getExportName()),
  59                 identOrNull(entry.getModuleRequest()),
  60                 identOrNull(entry.getImportName()),
  61                 identOrNull(entry.getLocalName()));
  62     }
  63 
  64     static List<ExportEntryTreeImpl> createExportList(final List<Module.ExportEntry> exportList) {
  65         return exportList.stream().
  66             map(ExportEntryTreeImpl::createExportEntry).
  67             collect(Collectors.toList());
  68     }
  69 
  70     @Override
  71     public Kind getKind() {
  72         return Tree.Kind.EXPORT_ENTRY;
  73     }
  74 
  75     @Override
  76     public <R,D> R accept(final TreeVisitor<R,D> visitor, final D data) {
  77         return visitor.visitExportEntry(this, data);
  78     }
  79 
  80     @Override
  81     public long getStartPosition() {
  82         return startPos;
  83     }
  84 
  85     @Override
  86     public long getEndPosition() {
  87         return endPos;
  88     }
  89 
  90     @Override
  91     public IdentifierTree getExportName() {
  92         return exportName;
  93     }
  94 
  95     @Override
  96     public IdentifierTree getModuleRequest() {
  97         return moduleRequest;
  98     }
  99 
 100     @Override
 101     public IdentifierTree getImportName() {
 102         return importName;
 103     }
 104 
 105     @Override
 106     public IdentifierTree getLocalName() {
 107         return localName;
 108     }
 109 }