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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * The Universal Permissive License (UPL), Version 1.0
 *
 * Subject to the condition set forth below, permission is hereby granted to any
 * person obtaining a copy of this software, associated documentation and/or
 * data (collectively the "Software"), free of charge and under any and all
 * copyright rights in the Software, and any and all patent rights owned or
 * freely licensable by each licensor hereunder covering either (i) the
 * unmodified Software as contributed to or provided by such licensor, or (ii)
 * the Larger Works (as defined below), to deal in both
 *
 * (a) the Software, and
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 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
 * one is included with the Software each a "Larger Work" to which the Software
 * is contributed by such licensors),
 *
 * without restriction, including without limitation the rights to copy, create
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 * Software and the Larger Work(s), and to sublicense the foregoing rights on
 * either these or other terms.
 *
 * This license is subject to the following condition:
 *
 * The above copyright notice and either this complete permission notice or at a
 * minimum a reference to the UPL must be included in all copies or substantial
 * portions of the Software.
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package com.oracle.js.parser.ir;

import java.util.Collections;
import java.util.List;

import com.oracle.js.parser.ir.visitor.NodeVisitor;
import com.oracle.js.parser.ir.visitor.TranslatorNodeVisitor;

IR representation of an object literal.
/**
 * IR representation of an object literal.
 */
public final class ObjectNode extends Expression {

    
Literal elements. /** Literal elements. */
    private final List<PropertyNode> elements;

    private final boolean hasCoverInitializedName;

    
Constructor
Params:
token – token
finish – finish
elements – the elements used to initialize this ObjectNode/**
     * Constructor
     *
     * @param token token
     * @param finish finish
     * @param elements the elements used to initialize this ObjectNode
     */
    public ObjectNode(final long token, final int finish, final List<PropertyNode> elements, final boolean hasCoverInitializedName) {
        super(token, finish);
        this.elements = elements;
        this.hasCoverInitializedName = hasCoverInitializedName;
    }

    private ObjectNode(final ObjectNode objectNode, final List<PropertyNode> elements, final boolean hasCoverInitializedName) {
        super(objectNode);
        this.elements = elements;
        this.hasCoverInitializedName = hasCoverInitializedName;
    }

    @Override
    public Node accept(final NodeVisitor<? extends LexicalContext> visitor) {
        if (visitor.enterObjectNode(this)) {
            return visitor.leaveObjectNode(setElements(Node.accept(visitor, elements)));
        }

        return this;
    }

    @Override
    public <R> R accept(TranslatorNodeVisitor<? extends LexicalContext, R> visitor) {
        return visitor.enterObjectNode(this);
    }

    @Override
    public void toString(final StringBuilder sb, final boolean printType) {
        sb.append('{');

        if (!elements.isEmpty()) {
            sb.append(' ');

            boolean first = true;
            for (final Node element : elements) {
                if (!first) {
                    sb.append(", ");
                }
                first = false;

                element.toString(sb, printType);
            }
            sb.append(' ');
        }

        sb.append('}');
    }

    
Get the elements of this literal node
Returns:
a list of elements/**
     * Get the elements of this literal node
     *
     * @return a list of elements
     */
    public List<PropertyNode> getElements() {
        return Collections.unmodifiableList(elements);
    }

    private ObjectNode setElements(final List<PropertyNode> elements) {
        if (this.elements == elements) {
            return this;
        }
        return new ObjectNode(this, elements, hasCoverInitializedName);
    }

    public boolean hasCoverInitializedName() {
        return hasCoverInitializedName;
    }
}