com.oracle.truffle.js.runtime.builtins.JSNumberObject Maven / Gradle / Ivy

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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
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 * unmodified Software as contributed to or provided by such licensor, or (ii)
 * the Larger Works (as defined below), to deal in both
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 * (a) the Software, and
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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.runtime.builtins;

import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
import com.oracle.truffle.api.interop.InteropLibrary;
import com.oracle.truffle.api.library.ExportLibrary;
import com.oracle.truffle.api.object.Shape;
import com.oracle.truffle.api.strings.TruffleString;
import com.oracle.truffle.js.lang.JavaScriptLanguage;
import com.oracle.truffle.js.runtime.JSRuntime;
import com.oracle.truffle.js.runtime.Strings;
import com.oracle.truffle.js.runtime.ToDisplayStringFormat;
import com.oracle.truffle.js.runtime.objects.JSDynamicObject;
import com.oracle.truffle.js.runtime.objects.JSNonProxyObject;

@ExportLibrary(value = InteropLibrary.class, delegateTo = "number")
public final class JSNumberObject extends JSNonProxyObject {

    final Number number;

    protected JSNumberObject(Shape shape, JSDynamicObject proto, Number number) {
        super(shape, proto);
        this.number = number;
    }

    public Number getNumber() {
        return number;
    }

    @Override
    public TruffleString getClassName() {
        return getBuiltinToStringTag();
    }

    @Override
    public TruffleString getBuiltinToStringTag() {
        return JSNumber.CLASS_NAME;
    }

    @TruffleBoundary
    @Override
    public TruffleString toDisplayStringImpl(boolean allowSideEffects, ToDisplayStringFormat format, int depth) {
        if (JavaScriptLanguage.get(null).getJSContext().isOptionNashornCompatibilityMode()) {
            return super.toDisplayStringImpl(allowSideEffects, format, depth);
        } else {
            Number primitiveValue = JSNumber.valueOf(this);
            return JSRuntime.objectToDisplayString(this, allowSideEffects, format, depth,
                            getBuiltinToStringTag(), new TruffleString[]{Strings.PRIMITIVE_VALUE}, new Object[]{primitiveValue});
        }
    }

    public static JSNumberObject create(Shape shape, JSDynamicObject proto, Number value) {
        return new JSNumberObject(shape, proto, value);
    }
}