ParserContextNode.java revision 1060:ca67ae7c46cb 
1/*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 * This code is free software; you can redistribute it and/or modify it
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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.
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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).
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24 */
25package jdk.nashorn.internal.parser;
26
27import java.util.List;
28import jdk.nashorn.internal.ir.Statement;
29
30/**
31 * Used for keeping state when needed in the parser.
32 */
33interface ParserContextNode {
34    /**
35     * @return The flags for this node
36     */
37    public int getFlags();
38
39    /**
40     * @param flag The flag to set
41     * @return All current flags after update
42     */
43    public int setFlag(final int flag);
44
45    /**
46     * @return The list of statements that belongs to this node
47     */
48    public List<Statement> getStatements();
49
50    /**
51     * @param statements The statement list
52     */
53    public void setStatements(final List<Statement> statements);
54
55    /**
56     * Adds a Statement at the end of the Statementlist
57     * @param statement The statement to add
58     */
59    public void appendStatement(final Statement statement);
60
61    /**
62     * Adds a statement at the begining of the statementlist
63     * @param statement The statement to add
64     */
65    public void prependStatement(final Statement statement);
66
67}
68