jdk.nashorn.internal.runtime.arrays.ContinuousArrayData Java Examples

The following examples show how to use jdk.nashorn.internal.runtime.arrays.ContinuousArrayData. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: NativeArray.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.4 Array.prototype.concat ( [ item1 [ , item2 [ , ... ] ] ] )
 *
 * @param self self reference
 * @param arg argument
 * @return resulting NativeArray
 */
@SpecializedFunction(linkLogic=ConcatLinkLogic.class)
public static NativeArray concat(final Object self, final Object arg) {
    //arg is [NativeArray] of same type.
    final ContinuousArrayData selfData = getContinuousArrayDataCCE(self);
    final ContinuousArrayData newData;

    if (arg instanceof NativeArray) {
        final ContinuousArrayData argData = (ContinuousArrayData)((NativeArray)arg).getArray();
        if (argData.isEmpty()) {
            newData = selfData.copy();
        } else if (selfData.isEmpty()) {
            newData = argData.copy();
        } else {
            final Class<?> widestElementType = selfData.widest(argData).getBoxedElementType();
            newData = ((ContinuousArrayData)selfData.convert(widestElementType)).fastConcat((ContinuousArrayData)argData.convert(widestElementType));
        }
    } else {
        newData = getContinuousArrayDataCCE(self, Object.class).copy();
        newData.fastPush(arg);
    }

    return new NativeArray(newData);
}
Example #2
Source File: NativeArray.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.4 Array.prototype.concat ( [ item1 [ , item2 [ , ... ] ] ] )
 *
 * @param self self reference
 * @param arg argument
 * @return resulting NativeArray
 */
@SpecializedFunction(linkLogic=ConcatLinkLogic.class)
public static NativeArray concat(final Object self, final Object arg) {
    //arg is [NativeArray] of same type.
    final ContinuousArrayData selfData = getContinuousArrayDataCCE(self);
    final ContinuousArrayData newData;

    if (arg instanceof NativeArray) {
        final ContinuousArrayData argData = (ContinuousArrayData)((NativeArray)arg).getArray();
        if (argData.isEmpty()) {
            newData = selfData.copy();
        } else if (selfData.isEmpty()) {
            newData = argData.copy();
        } else {
            final Class<?> widestElementType = selfData.widest(argData).getBoxedElementType();
            newData = ((ContinuousArrayData)selfData.convert(widestElementType)).fastConcat((ContinuousArrayData)argData.convert(widestElementType));
        }
    } else {
        newData = getContinuousArrayDataCCE(self, Object.class).copy();
        newData.fastPush(arg);
    }

    return new NativeArray(newData);
}
Example #3
Source File: NativeArray.java    From hottub with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.4 Array.prototype.concat ( [ item1 [ , item2 [ , ... ] ] ] )
 *
 * @param self self reference
 * @param arg argument
 * @return resulting NativeArray
 */
@SpecializedFunction(linkLogic=ConcatLinkLogic.class)
public static NativeArray concat(final Object self, final Object arg) {
    //arg is [NativeArray] of same type.
    final ContinuousArrayData selfData = getContinuousArrayDataCCE(self);
    final ContinuousArrayData newData;

    if (arg instanceof NativeArray) {
        final ContinuousArrayData argData = (ContinuousArrayData)((NativeArray)arg).getArray();
        if (argData.isEmpty()) {
            newData = selfData.copy();
        } else if (selfData.isEmpty()) {
            newData = argData.copy();
        } else {
            final Class<?> widestElementType = selfData.widest(argData).getBoxedElementType();
            newData = ((ContinuousArrayData)selfData.convert(widestElementType)).fastConcat((ContinuousArrayData)argData.convert(widestElementType));
        }
    } else {
        newData = getContinuousArrayDataCCE(self, Object.class).copy();
        newData.fastPush(arg);
    }

    return new NativeArray(newData);
}
Example #4
Source File: NativeArray.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public boolean canLink(final Object self, final CallSiteDescriptor desc, final LinkRequest request) {
    final Object[] args = request.getArguments();

    if (args.length != 3) { //single argument check
        return false;
    }

    final ContinuousArrayData selfData = getContinuousArrayData(self);
    if (selfData == null) {
        return false;
    }

    final Object arg = args[2];
    // The generic version uses its own logic and ArrayLikeIterator to decide if an object should
    // be iterated over or added as single element. To avoid duplication of code and err on the safe side
    // we only use the specialized version if arg is either a continuous array or a JS primitive.
    if (arg instanceof NativeArray) {
        return (getContinuousArrayData(arg) != null);
    }

    return JSType.isPrimitive(arg);
}
Example #5
Source File: NativeArray.java    From hottub with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public boolean canLink(final Object self, final CallSiteDescriptor desc, final LinkRequest request) {
    final Object[] args = request.getArguments();

    if (args.length != 3) { //single argument check
        return false;
    }

    final ContinuousArrayData selfData = getContinuousArrayData(self);
    if (selfData == null) {
        return false;
    }

    final Object arg = args[2];
    //args[2] continuousarray or non arraydata, let past non array datas
    if (arg instanceof NativeArray) {
        final ContinuousArrayData argData = getContinuousArrayData(arg);
        if (argData == null) {
            return false;
        }
    }

    return true;
}
Example #6
Source File: NativeArray.java    From jdk8u60 with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public boolean canLink(final Object self, final CallSiteDescriptor desc, final LinkRequest request) {
    final Object[] args = request.getArguments();

    if (args.length != 3) { //single argument check
        return false;
    }

    final ContinuousArrayData selfData = getContinuousArrayData(self);
    if (selfData == null) {
        return false;
    }

    final Object arg = args[2];
    //args[2] continuousarray or non arraydata, let past non array datas
    if (arg instanceof NativeArray) {
        final ContinuousArrayData argData = getContinuousArrayData(arg);
        if (argData == null) {
            return false;
        }
    }

    return true;
}
Example #7
Source File: NativeArray.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public boolean canLink(final Object self, final CallSiteDescriptor desc, final LinkRequest request) {
    final Object[] args = request.getArguments();

    if (args.length != 3) { //single argument check
        return false;
    }

    final ContinuousArrayData selfData = getContinuousArrayData(self);
    if (selfData == null) {
        return false;
    }

    final Object arg = args[2];
    //args[2] continuousarray or non arraydata, let past non array datas
    if (arg instanceof NativeArray) {
        final ContinuousArrayData argData = getContinuousArrayData(arg);
        if (argData == null) {
            return false;
        }
    }

    return true;
}
Example #8
Source File: NativeArray.java    From jdk8u60 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.4 Array.prototype.concat ( [ item1 [ , item2 [ , ... ] ] ] )
 *
 * @param self self reference
 * @param arg argument
 * @return resulting NativeArray
 */
@SpecializedFunction(linkLogic=ConcatLinkLogic.class)
public static NativeArray concat(final Object self, final Object arg) {
    //arg is [NativeArray] of same type.
    final ContinuousArrayData selfData = getContinuousArrayDataCCE(self);
    final ContinuousArrayData newData;

    if (arg instanceof NativeArray) {
        final ContinuousArrayData argData = (ContinuousArrayData)((NativeArray)arg).getArray();
        if (argData.isEmpty()) {
            newData = selfData.copy();
        } else if (selfData.isEmpty()) {
            newData = argData.copy();
        } else {
            final Class<?> widestElementType = selfData.widest(argData).getBoxedElementType();
            newData = ((ContinuousArrayData)selfData.convert(widestElementType)).fastConcat((ContinuousArrayData)argData.convert(widestElementType));
        }
    } else {
        newData = getContinuousArrayDataCCE(self, Object.class).copy();
        newData.fastPush(arg);
    }

    return new NativeArray(newData);
}
Example #9
Source File: NativeArray.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.4 Array.prototype.concat ( [ item1 [ , item2 [ , ... ] ] ] )
 *
 * @param self self reference
 * @param arg argument
 * @return resulting NativeArray
 */
@SpecializedFunction(linkLogic=ConcatLinkLogic.class)
public static NativeArray concat(final Object self, final Object arg) {
    //arg is [NativeArray] of same type.
    final ContinuousArrayData selfData = getContinuousArrayDataCCE(self);
    final ContinuousArrayData newData;

    if (arg instanceof NativeArray) {
        final ContinuousArrayData argData = (ContinuousArrayData)((NativeArray)arg).getArray();
        if (argData.isEmpty()) {
            newData = selfData.copy();
        } else if (selfData.isEmpty()) {
            newData = argData.copy();
        } else {
            final Class<?> widestElementType = selfData.widest(argData).getBoxedElementType();
            newData = ((ContinuousArrayData)selfData.convert(widestElementType)).fastConcat((ContinuousArrayData)argData.convert(widestElementType));
        }
    } else {
        newData = getContinuousArrayDataCCE(self, Object.class).copy();
        newData.fastPush(arg);
    }

    return new NativeArray(newData);
}
Example #10
Source File: NativeArray.java    From jdk8u_nashorn with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.4 Array.prototype.concat ( [ item1 [ , item2 [ , ... ] ] ] )
 *
 * @param self self reference
 * @param arg argument
 * @return resulting NativeArray
 */
@SpecializedFunction(linkLogic=ConcatLinkLogic.class)
public static NativeArray concat(final Object self, final Object arg) {
    //arg is [NativeArray] of same type.
    final ContinuousArrayData selfData = getContinuousArrayDataCCE(self);
    final ContinuousArrayData newData;

    if (arg instanceof NativeArray) {
        final ContinuousArrayData argData = (ContinuousArrayData)((NativeArray)arg).getArray();
        if (argData.isEmpty()) {
            newData = selfData.copy();
        } else if (selfData.isEmpty()) {
            newData = argData.copy();
        } else {
            final Class<?> widestElementType = selfData.widest(argData).getBoxedElementType();
            newData = ((ContinuousArrayData)selfData.convert(widestElementType)).fastConcat((ContinuousArrayData)argData.convert(widestElementType));
        }
    } else {
        newData = getContinuousArrayDataCCE(self, Object.class).copy();
        newData.fastPush(arg);
    }

    return new NativeArray(newData);
}
Example #11
Source File: NativeArray.java    From jdk8u_nashorn with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public boolean canLink(final Object self, final CallSiteDescriptor desc, final LinkRequest request) {
    final Object[] args = request.getArguments();

    if (args.length != 3) { //single argument check
        return false;
    }

    final ContinuousArrayData selfData = getContinuousArrayData(self);
    if (selfData == null) {
        return false;
    }

    final Object arg = args[2];
    //args[2] continuousarray or non arraydata, let past non array datas
    if (arg instanceof NativeArray) {
        final ContinuousArrayData argData = getContinuousArrayData(arg);
        if (argData == null) {
            return false;
        }
    }

    return true;
}
Example #12
Source File: NativeArray.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public boolean canLink(final Object self, final CallSiteDescriptor desc, final LinkRequest request) {
    final Object[] args = request.getArguments();

    if (args.length != 3) { //single argument check
        return false;
    }

    final ContinuousArrayData selfData = getContinuousArrayData(self);
    if (selfData == null) {
        return false;
    }

    final Object arg = args[2];
    //args[2] continuousarray or non arraydata, let past non array datas
    if (arg instanceof NativeArray) {
        final ContinuousArrayData argData = getContinuousArrayData(arg);
        if (argData == null) {
            return false;
        }
    }

    return true;
}
Example #13
Source File: NativeArray.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.4 Array.prototype.concat ( [ item1 [ , item2 [ , ... ] ] ] )
 *
 * @param self self reference
 * @param arg argument
 * @return resulting NativeArray
 */
@SpecializedFunction(linkLogic=ConcatLinkLogic.class)
public static NativeArray concat(final Object self, final Object arg) {
    //arg is [NativeArray] of same type.
    final ContinuousArrayData selfData = getContinuousArrayDataCCE(self);
    final ContinuousArrayData newData;

    if (arg instanceof NativeArray) {
        final ContinuousArrayData argData = (ContinuousArrayData)((NativeArray)arg).getArray();
        if (argData.isEmpty()) {
            newData = selfData.copy();
        } else if (selfData.isEmpty()) {
            newData = argData.copy();
        } else {
            final Class<?> widestElementType = selfData.widest(argData).getBoxedElementType();
            newData = ((ContinuousArrayData)selfData.convert(widestElementType)).fastConcat((ContinuousArrayData)argData.convert(widestElementType));
        }
    } else {
        newData = getContinuousArrayDataCCE(self, Object.class).copy();
        newData.fastPush(arg);
    }

    return new NativeArray(newData);
}
Example #14
Source File: NativeArray.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public boolean canLink(final Object self, final CallSiteDescriptor desc, final LinkRequest request) {
    final Object[] args = request.getArguments();

    if (args.length != 3) { //single argument check
        return false;
    }

    final ContinuousArrayData selfData = getContinuousArrayData(self);
    if (selfData == null) {
        return false;
    }

    final Object arg = args[2];
    //args[2] continuousarray or non arraydata, let past non array datas
    if (arg instanceof NativeArray) {
        final ContinuousArrayData argData = getContinuousArrayData(arg);
        if (argData == null) {
            return false;
        }
    }

    return true;
}
Example #15
Source File: NativeArray.java    From jdk8u_nashorn with GNU General Public License v2.0 5 votes vote down vote up 
private static final ContinuousArrayData getContinuousArrayDataCCE(final Object self) {
    try {
        return (ContinuousArrayData)((NativeArray)self).getArray();
     } catch (final NullPointerException e) {
         throw new ClassCastException();
     }
}
Example #16
Source File: NativeArray.java    From jdk8u_nashorn with GNU General Public License v2.0 5 votes vote down vote up 
private static final <T> ContinuousArrayData getContinuousNonEmptyArrayDataCCE(final Object self, final Class<T> clazz) {
    try {
        @SuppressWarnings("unchecked")
        final ContinuousArrayData data = (ContinuousArrayData)(T)((NativeArray)self).getArray();
        if (data.length() != 0L) {
            return data; //if length is 0 we cannot pop and have to relink, because then we'd have to return an undefined, which is a wider type than e.g. int
       }
    } catch (final NullPointerException e) {
        //fallthru
    }
    throw new ClassCastException();
}
Example #17
Source File: NativeArray.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
private static final ContinuousArrayData getContinuousArrayDataCCE(final Object self) {
    try {
        return (ContinuousArrayData)((NativeArray)self).getArray();
     } catch (final NullPointerException e) {
         throw new ClassCastException();
     }
}
Example #18
Source File: NativeArray.java    From jdk8u_nashorn with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * We need to check if we are dealing with a continuous non empty array data here,
 * as pop with a primitive return value returns undefined for arrays with length 0
 */
@Override
public boolean canLink(final Object self, final CallSiteDescriptor desc, final LinkRequest request) {
    final ContinuousArrayData data = getContinuousNonEmptyArrayData(self);
    if (data != null) {
        final Class<?> elementType = data.getElementType();
        final Class<?> returnType  = desc.getMethodType().returnType();
        final boolean  typeFits    = JSType.getAccessorTypeIndex(returnType) >= JSType.getAccessorTypeIndex(elementType);
        return typeFits;
    }
    return false;
}
Example #19
Source File: NativeArray.java    From jdk8u_nashorn with GNU General Public License v2.0 5 votes vote down vote up 
protected static ContinuousArrayData getContinuousArrayData(final Object self) {
    try {
        //cast to NativeArray, to avoid cases like x = {0:0, 1:1}, x.length = 2, where we can't use the array push/pop
        return (ContinuousArrayData)((NativeArray)self).getArray();
    } catch (final Exception e) {
        return null;
    }
}
Example #20
Source File: NativeArray.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
private static final ContinuousArrayData getContinuousArrayDataCCE(final Object self, final Class<?> elementType) {
    try {
       return (ContinuousArrayData)((NativeArray)self).getArray(elementType); //ensure element type can fit "elementType"
    } catch (final NullPointerException e) {
        throw new ClassCastException();
    }
}
Example #21
Source File: NativeArray.java    From jdk8u_nashorn with GNU General Public License v2.0 5 votes vote down vote up 
private static ContinuousArrayData getContinuousNonEmptyArrayData(final Object self) {
    final ContinuousArrayData data = getContinuousArrayData(self);
    if (data != null) {
        return data.length() == 0 ? null : data;
    }
    return null;
}
Example #22
Source File: NativeArray.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
private static ContinuousArrayData getContinuousNonEmptyArrayData(final Object self) {
    final ContinuousArrayData data = getContinuousArrayData(self);
    if (data != null) {
        return data.length() == 0 ? null : data;
    }
    return null;
}
Example #23
Source File: NativeArray.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * We need to check if we are dealing with a continuous non empty array data here,
 * as pop with a primitive return value returns undefined for arrays with length 0
 */
@Override
public boolean canLink(final Object self, final CallSiteDescriptor desc, final LinkRequest request) {
    final ContinuousArrayData data = getContinuousNonEmptyArrayData(self);
    if (data != null) {
        final Class<?> elementType = data.getElementType();
        final Class<?> returnType  = desc.getMethodType().returnType();
        final boolean  typeFits    = JSType.getAccessorTypeIndex(returnType) >= JSType.getAccessorTypeIndex(elementType);
        return typeFits;
    }
    return false;
}
Example #24
Source File: NativeArray.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
protected static ContinuousArrayData getContinuousArrayData(final Object self) {
    try {
        //cast to NativeArray, to avoid cases like x = {0:0, 1:1}, x.length = 2, where we can't use the array push/pop
        return (ContinuousArrayData)((NativeArray)self).getArray();
    } catch (final Exception e) {
        return null;
    }
}
Example #25
Source File: NativeArray.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * We need to check if we are dealing with a continuous non empty array data here,
 * as pop with a primitive return value returns undefined for arrays with length 0
 */
@Override
public boolean canLink(final Object self, final CallSiteDescriptor desc, final LinkRequest request) {
    final ContinuousArrayData data = getContinuousNonEmptyArrayData(self);
    if (data != null) {
        final Class<?> elementType = data.getElementType();
        final Class<?> returnType  = desc.getMethodType().returnType();
        final boolean  typeFits    = JSType.getAccessorTypeIndex(returnType) >= JSType.getAccessorTypeIndex(elementType);
        return typeFits;
    }
    return false;
}
Example #26
Source File: NativeArray.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
private static ContinuousArrayData getContinuousNonEmptyArrayData(final Object self) {
    final ContinuousArrayData data = getContinuousArrayData(self);
    if (data != null) {
        return data.length() == 0 ? null : data;
    }
    return null;
}
Example #27
Source File: NativeArray.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
protected static ContinuousArrayData getContinuousArrayData(final Object self) {
    try {
        //cast to NativeArray, to avoid cases like x = {0:0, 1:1}, x.length = 2, where we can't use the array push/pop
        return (ContinuousArrayData)((NativeArray)self).getArray();
    } catch (final Exception e) {
        return null;
    }
}
Example #28
Source File: NativeArray.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
private static final <T> ContinuousArrayData getContinuousNonEmptyArrayDataCCE(final Object self, final Class<T> clazz) {
    try {
        @SuppressWarnings("unchecked")
        final ContinuousArrayData data = (ContinuousArrayData)(T)((NativeArray)self).getArray();
        if (data.length() != 0L) {
            return data; //if length is 0 we cannot pop and have to relink, because then we'd have to return an undefined, which is a wider type than e.g. int
       }
    } catch (final NullPointerException e) {
        //fallthru
    }
    throw new ClassCastException();
}
Example #29
Source File: NativeArray.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
private static final ContinuousArrayData getContinuousArrayDataCCE(final Object self, final Class<?> elementType) {
    try {
       return (ContinuousArrayData)((NativeArray)self).getArray(elementType); //ensure element type can fit "elementType"
    } catch (final NullPointerException e) {
        throw new ClassCastException();
    }
}
Example #30
Source File: NativeArray.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
private static final ContinuousArrayData getContinuousArrayDataCCE(final Object self) {
    try {
        return (ContinuousArrayData)((NativeArray)self).getArray();
     } catch (final NullPointerException e) {
         throw new ClassCastException();
     }
}