com.oracle.truffle.js.runtime.array.dyn.AbstractContiguousDoubleArray 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
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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
 *
 * (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
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package com.oracle.truffle.js.runtime.array.dyn;

import static com.oracle.truffle.js.runtime.builtins.JSAbstractArray.arrayGetArrayOffset;
import static com.oracle.truffle.js.runtime.builtins.JSAbstractArray.arrayGetIndexOffset;
import static com.oracle.truffle.js.runtime.builtins.JSAbstractArray.arraySetArrayOffset;
import static com.oracle.truffle.js.runtime.builtins.JSAbstractArray.arraySetIndexOffset;

import com.oracle.truffle.api.object.DynamicObject;
import com.oracle.truffle.js.runtime.JSConfig;
import com.oracle.truffle.js.runtime.array.ScriptArray;

public abstract class AbstractContiguousDoubleArray extends AbstractDoubleArray {

    protected AbstractContiguousDoubleArray(int integrityLevel, DynamicArrayCache cache) {
        super(integrityLevel, cache);
    }

    @Override
    public double getInBoundsFastDouble(DynamicObject object, int index) {
        return getArray(object)[(int) (index - getIndexOffset(object))];
    }

    @Override
    public void setInBoundsFast(DynamicObject object, int index, double value) {
        getArray(object)[(int) (index - getIndexOffset(object))] = value;
        if (JSConfig.TraceArrayWrites) {
            traceWriteValue("InBoundsFast", index, value);
        }
    }

    @Override
    protected final void setLengthLess(DynamicObject object, long length, ProfileHolder profile) {
        setLengthLessContiguous(object, length, profile);
    }

    @Override
    protected final int prepareInBoundsFast(DynamicObject object, long index) {
        return (int) (index - getIndexOffset(object));
    }

    @Override
    protected final void setArrayOffset(DynamicObject object, int arrayOffset) {
        arraySetArrayOffset(object, arrayOffset);
    }

    @Override
    protected final int getArrayOffset(DynamicObject object) {
        return arrayGetArrayOffset(object);
    }

    @Override
    protected final void setIndexOffset(DynamicObject object, long indexOffset) {
        arraySetIndexOffset(object, indexOffset);
    }

    @Override
    protected final long getIndexOffset(DynamicObject object) {
        return arrayGetIndexOffset(object);
    }

    @Override
    public final long firstElementIndex(DynamicObject object) {
        return getIndexOffset(object) + getArrayOffset(object);
    }

    @Override
    public final long lastElementIndex(DynamicObject object) {
        return getIndexOffset(object) + getArrayOffset(object) + getUsedLength(object) - 1;
    }

    @Override
    public boolean hasHoles(DynamicObject object) {
        return true;
    }

    @Override
    public ScriptArray addRangeImpl(DynamicObject object, long offset, int size) {
        return addRangeImplContiguous(object, offset, size);
    }
}