src/jdk.scripting.nashorn/share/classes/jdk/nashorn/api/tree/RegExpLiteralTreeImpl.java

/*
 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package jdk.nashorn.api.tree;

import jdk.nashorn.internal.ir.LiteralNode;
import jdk.nashorn.internal.parser.Lexer;

final class RegExpLiteralTreeImpl extends ExpressionTreeImpl
    implements RegExpLiteralTree {
    private final String pattern;
    private final String options;
    RegExpLiteralTreeImpl(final LiteralNode<?> node) {
        super(node);
        assert node.getValue() instanceof Lexer.RegexToken : "regexp expected";
        final Lexer.RegexToken regex = (Lexer.RegexToken) node.getValue();
        this.pattern = regex.getExpression();
        this.options = regex.getOptions();
    }

    @Override
    public Kind getKind() {
        return Kind.REGEXP_LITERAL;
    }

    @Override
    public String getPattern() {
        return pattern;
    }

    @Override
    public String getOptions() {
        return options;
    }

    @Override
    public <R,D> R accept(final TreeVisitor<R,D> visitor, final D data) {
        return visitor.visitRegExpLiteral(this, data);
    }
}