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 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
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package com.oracle.truffle.js.nodes.access;

import com.oracle.truffle.api.dsl.Cached;
import com.oracle.truffle.api.dsl.ImportStatic;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.object.DynamicObject;
import com.oracle.truffle.js.nodes.JavaScriptBaseNode;
import com.oracle.truffle.js.runtime.JSConfig;
import com.oracle.truffle.js.runtime.JSContext;
import com.oracle.truffle.js.runtime.builtins.JSClass;
import com.oracle.truffle.js.runtime.builtins.JSObjectPrototype;
import com.oracle.truffle.js.runtime.objects.JSObject;

@ImportStatic({JSObject.class, JSConfig.class})
public abstract class HasOnlyShapePropertiesNode extends JavaScriptBaseNode {

    protected HasOnlyShapePropertiesNode() {
    }

    public static HasOnlyShapePropertiesNode create() {
        return HasOnlyShapePropertiesNodeGen.create();
    }

    public final boolean execute(DynamicObject object) {
        return execute(object, JSObject.getJSClass(object));
    }

    public abstract boolean execute(DynamicObject object, JSClass jsclass);

    @Specialization(guards = {"jsclass == cachedJSClass", "!isJSObjectPrototype(cachedJSClass)"}, limit = "InteropLibraryLimit")
    static boolean doCached(DynamicObject object, @SuppressWarnings("unused") JSClass jsclass,
                    @Cached(value = "jsclass") JSClass cachedJSClass) {
        return cachedJSClass.hasOnlyShapeProperties(object);
    }

    @Specialization(guards = {"isJSObjectPrototype(jsclass)"})
    static boolean doObjectPrototype(DynamicObject object, JSClass jsclass,
                    @Cached("getJSContext(object)") JSContext context) {
        if (context.getArrayPrototypeNoElementsAssumption().isValid()) {
            assert jsclass.hasOnlyShapeProperties(object);
            return true;
        }
        return JSObjectPrototype.INSTANCE.hasOnlyShapeProperties(object);
    }

    @Specialization(replaces = {"doCached", "doObjectPrototype"})
    static boolean doUncached(DynamicObject object, JSClass jsclass) {
        return jsclass.hasOnlyShapeProperties(object);
    }

    static boolean isJSObjectPrototype(JSClass jsclass) {
        return jsclass == JSObjectPrototype.INSTANCE;
    }
}