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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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.
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 * This license is subject to the following condition:
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package com.oracle.truffle.js.nodes.access;

import com.oracle.truffle.api.object.DynamicObject;
import com.oracle.truffle.api.profiles.BranchProfile;
import com.oracle.truffle.js.nodes.JavaScriptBaseNode;
import com.oracle.truffle.js.nodes.function.JSFunctionCallNode;
import com.oracle.truffle.js.runtime.Errors;
import com.oracle.truffle.js.runtime.JSArguments;
import com.oracle.truffle.js.runtime.objects.IteratorRecord;

ES6 7.4.2 IteratorNext(iterator, value).
/**
 * ES6 7.4.2 IteratorNext(iterator, value).
 */
public class IteratorNextNode extends JavaScriptBaseNode {
    @Child private JSFunctionCallNode methodCallNode;
    @Child private IsJSObjectNode isObjectNode;
    private final BranchProfile errorBranch = BranchProfile.create();

    protected IteratorNextNode() {
        this.methodCallNode = JSFunctionCallNode.createCall();
        this.isObjectNode = IsJSObjectNode.create();
    }

    public static IteratorNextNode create() {
        return new IteratorNextNode();
    }

    public DynamicObject execute(IteratorRecord iteratorRecord, Object value) {
        Object nextMethod = iteratorRecord.getNextMethod();
        DynamicObject iterator = iteratorRecord.getIterator();
        Object result = methodCallNode.executeCall(JSArguments.createOneArg(iterator, nextMethod, value));
        if (!isObjectNode.executeBoolean(result)) {
            errorBranch.enter();
            throw Errors.createTypeErrorIteratorResultNotObject(result, this);
        }
        return (DynamicObject) result;
    }

    public DynamicObject execute(IteratorRecord iteratorRecord) {
        Object nextMethod = iteratorRecord.getNextMethod();
        DynamicObject iterator = iteratorRecord.getIterator();
        Object result = methodCallNode.executeCall(JSArguments.createZeroArg(iterator, nextMethod));
        if (!isObjectNode.executeBoolean(result)) {
            errorBranch.enter();
            throw Errors.createTypeErrorIteratorResultNotObject(result, this);
        }
        return (DynamicObject) result;
    }

}