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/*
 * Copyright (c) 2020, 2020, Oracle and/or its affiliates. All rights reserved.
 * 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
 *
 * (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
 * derivative works of, display, perform, and distribute the Software and make,
 * use, sell, offer for sale, import, export, have made, and have sold the
 * 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.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * SOFTWARE.
 */
package com.oracle.truffle.js.nodes.access;

import com.oracle.truffle.api.dsl.GenerateUncached;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.library.CachedLibrary;
import com.oracle.truffle.api.object.DynamicObject;
import com.oracle.truffle.api.object.DynamicObjectLibrary;
import com.oracle.truffle.js.nodes.JavaScriptBaseNode;
import com.oracle.truffle.js.runtime.JSContext;
import com.oracle.truffle.js.runtime.builtins.JSOrdinary;
import com.oracle.truffle.js.runtime.objects.JSAttributes;
import com.oracle.truffle.js.runtime.objects.PropertyDescriptor;
import com.oracle.truffle.js.runtime.objects.Undefined;

/**
 * Creates a JS object from a {@link PropertyDescriptor}.
 */
@GenerateUncached
public abstract class FromPropertyDescriptorNode extends JavaScriptBaseNode {

    protected static final int SHAPE_LIMIT = 6;

    protected FromPropertyDescriptorNode() {
    }

    public static FromPropertyDescriptorNode create() {
        return FromPropertyDescriptorNodeGen.create();
    }

    public static FromPropertyDescriptorNode getUncached() {
        return FromPropertyDescriptorNodeGen.getUncached();
    }

    public abstract DynamicObject execute(PropertyDescriptor desc, JSContext context);

    @Specialization
    static DynamicObject toJSObject(PropertyDescriptor desc, JSContext context,
                    @CachedLibrary(limit = "SHAPE_LIMIT") DynamicObjectLibrary putValueNode,
                    @CachedLibrary(limit = "SHAPE_LIMIT") DynamicObjectLibrary putWritableNode,
                    @CachedLibrary(limit = "SHAPE_LIMIT") DynamicObjectLibrary putGetNode,
                    @CachedLibrary(limit = "SHAPE_LIMIT") DynamicObjectLibrary putSetNode,
                    @CachedLibrary(limit = "SHAPE_LIMIT") DynamicObjectLibrary putEnumerableNode,
                    @CachedLibrary(limit = "SHAPE_LIMIT") DynamicObjectLibrary putConfigurableNode) {
        if (desc == null) {
            return Undefined.instance;
        }

        DynamicObject obj = JSOrdinary.create(context);
        if (desc.hasValue()) {
            putValueNode.put(obj, JSAttributes.VALUE, desc.getValue());
        }
        if (desc.hasWritable()) {
            putWritableNode.put(obj, JSAttributes.WRITABLE, desc.getWritable());
        }
        if (desc.hasGet()) {
            putGetNode.put(obj, JSAttributes.GET, desc.getGet());
        }
        if (desc.hasSet()) {
            putSetNode.put(obj, JSAttributes.SET, desc.getSet());
        }
        if (desc.hasEnumerable()) {
            putEnumerableNode.put(obj, JSAttributes.ENUMERABLE, desc.getEnumerable());
        }
        if (desc.hasConfigurable()) {
            putConfigurableNode.put(obj, JSAttributes.CONFIGURABLE, desc.getConfigurable());
        }
        return obj;
    }

}