ExportEntryTreeImpl.java revision 1739:4a6a1fd3d3dd 
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 */
25package jdk.nashorn.api.tree;
26
27import java.util.List;
28import java.util.stream.Collectors;
29import jdk.nashorn.internal.ir.FunctionNode;
30import jdk.nashorn.internal.ir.IdentNode;
31import jdk.nashorn.internal.ir.Module;
32import static jdk.nashorn.api.tree.ModuleTreeImpl.identOrNull;
33
34final 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            IdentifierTree exportName,
43            IdentifierTree moduleRequest,
44            IdentifierTree importName,
45            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(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(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}
110