Rhino JavaScript Java Library is an open-source implementation of JavaScript written entirely in Java.

Rhino JavaScript Java Library Source Code files are provided in binary package (rhino-1.7.14.zip).

You can also browse the source code below:

⏎ org/mozilla/javascript/ast/BreakStatement.java

/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

package org.mozilla.javascript.ast;

import org.mozilla.javascript.Token;

/**
 * A break statement.  Node type is {@link Token#BREAK}.
 *
 * <pre><i>BreakStatement</i> :
 *   <b>break</b> [<i>no LineTerminator here</i>] [Identifier] ;</pre>
 */
public class BreakStatement extends Jump {

    private Name breakLabel;
    private AstNode target;

    {
        type = Token.BREAK;
    }

    public BreakStatement() {
    }

    public BreakStatement(int pos) {
        // can't call super (Jump) for historical reasons
        position = pos;
    }

    public BreakStatement(int pos, int len) {
        position = pos;
        length = len;
    }

    /**
     * Returns the intended label of this break statement
     * @return the break label.  {@code null} if the source code did
     * not specify a specific break label via "break &lt;target&gt;".
     */
    public Name getBreakLabel() {
        return breakLabel;
    }

    /**
     * Sets the intended label of this break statement, e.g.  'foo'
     * in "break foo". Also sets the parent of the label to this node.
     * @param label the break label, or {@code null} if the statement is
     * just the "break" keyword by itself.
     */
    public void setBreakLabel(Name label) {
        breakLabel = label;
        if (label != null)
            label.setParent(this);
    }

    /**
     * Returns the statement to break to
     * @return the break target.  Only {@code null} if the source
     * code has an error in it.
     */
    public AstNode getBreakTarget() {
        return target;
    }

    /**
     * Sets the statement to break to.
     * @param target the statement to break to
     * @throws IllegalArgumentException if target is {@code null}
     */
    public void setBreakTarget(Jump target) {
        assertNotNull(target);
        this.target = target;
        setJumpStatement(target);
    }

    @Override
    public String toSource(int depth) {
        StringBuilder sb = new StringBuilder();
        sb.append(makeIndent(depth));
        sb.append("break");
        if (breakLabel != null) {
            sb.append(" ");
            sb.append(breakLabel.toSource(0));
        }
        sb.append(";\n");
        return sb.toString();
    }

    /**
     * Visits this node, then visits the break label if non-{@code null}.
     */
    @Override
    public void visit(NodeVisitor v) {
        if (v.visit(this) && breakLabel != null) {
            breakLabel.visit(v);
        }
    }
}

⏎ org/mozilla/javascript/ast/BreakStatement.java

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File name: rhino-1.7.14-sources.jar
File size: 1029165 bytes
Release date: 2022-01-06
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