+ * DataView builtin constructor. Based on the specification here: + * http://www.khronos.org/registry/typedarray/specs/latest/#8 + *
+ *+ * An ArrayBuffer is a useful object for representing an arbitrary chunk of data. + * In many cases, such data will be read from disk or from the network, and will + * not follow the alignment restrictions that are imposed on the typed array views + * described earlier. In addition, the data will often be heterogeneous in nature + * and have a defined byte order. The DataView view provides a low-level interface + * for reading such data from and writing it to an ArrayBuffer. + *
+ *+ * Regardless of the host computer's endianness, DataView reads or writes values + * to or from main memory with a specified endianness: big or little. + *
+ */ +@ScriptClass("DataView") +public class NativeDataView extends ScriptObject { + // initialized by nasgen + private static PropertyMap $nasgenmap$; + + // inherited ArrayBufferView properties + + /** + * Underlying ArrayBuffer storage object + */ + @Property(attributes = Attribute.NON_ENUMERABLE_CONSTANT) + public final Object buffer; + + /** + * The offset in bytes from the start of the ArrayBuffer + */ + @Property(attributes = Attribute.NON_ENUMERABLE_CONSTANT) + public final int byteOffset; + + /** + * The number of bytes from the offset that this DataView will reference + */ + @Property(attributes = Attribute.NON_ENUMERABLE_CONSTANT) + public final int byteLength; + + // underlying ByteBuffer + private final ByteBuffer buf; + + private NativeDataView(NativeArrayBuffer arrBuf) { + this(arrBuf, arrBuf.getBuffer(), 0); + } + + private NativeDataView(NativeArrayBuffer arrBuf, int offset) { + this(arrBuf, bufferFrom(arrBuf, offset), offset); + } + + private NativeDataView(NativeArrayBuffer arrBuf, int offset, int length) { + this(arrBuf, bufferFrom(arrBuf, offset, length), offset, length); + } + + private NativeDataView(final NativeArrayBuffer arrBuf, final ByteBuffer buf, final int offset) { + this(arrBuf, buf, offset, buf.capacity() - offset); + } + + private NativeDataView(final NativeArrayBuffer arrBuf, final ByteBuffer buf, final int offset, final int length) { + super(Global.instance().getDataViewPrototype(), $nasgenmap$); + this.buffer = arrBuf; + this.byteOffset = offset; + this.byteLength = length; + this.buf = buf; + } + + /** + * Create a new DataView object using the passed ArrayBuffer for its + * storage. Optional byteOffset and byteLength can be used to limit the + * section of the buffer referenced. The byteOffset indicates the offset in + * bytes from the start of the ArrayBuffer, and the byteLength is the number + * of bytes from the offset that this DataView will reference. If both + * byteOffset and byteLength are omitted, the DataView spans the entire + * ArrayBuffer range. If the byteLength is omitted, the DataView extends from + * the given byteOffset until the end of the ArrayBuffer. + * + * If the given byteOffset and byteLength references an area beyond the end + * of the ArrayBuffer an exception is raised. + + * @param newObj if this constructor was invoked with 'new' or not + * @param self constructor function object + * @param args arguments to the constructor + * @return newly constructed DataView object + */ + @Constructor(arity = 1) + public static Object constructor(final boolean newObj, final Object self, final Object... args) { + if (args.length == 0 || !(args[0] instanceof NativeArrayBuffer)) { + throw typeError("not.an.arraybuffer.in.dataview"); + } + + final NativeArrayBuffer arrBuf = (NativeArrayBuffer) args[0]; + switch (args.length) { + case 1: + return new NativeDataView(arrBuf); + case 2: + return new NativeDataView(arrBuf, JSType.toInt32(args[1])); + default: + return new NativeDataView(arrBuf, JSType.toInt32(args[1]), JSType.toInt32(args[2])); + } + } + + /** + * Specialized version of DataView constructor + * + * @param newObj if this constructor was invoked with 'new' or not + * @param self constructor function object + * @param arrBuf underlying ArrayBuffer storage object + * @param offset offset in bytes from the start of the ArrayBuffer + * @return newly constructed DataView object + */ + @SpecializedConstructor + public static Object constructor(final boolean newObj, final Object self, final Object arrBuf, final int offset) { + if (!(arrBuf instanceof NativeArrayBuffer)) { + throw typeError("not.an.arraybuffer.in.dataview"); + } + return new NativeDataView((NativeArrayBuffer) arrBuf, offset); + } + + /** + * Specialized version of DataView constructor + * + * @param newObj if this constructor was invoked with 'new' or not + * @param self constructor function object + * @param arrBuf underlying ArrayBuffer storage object + * @param offset in bytes from the start of the ArrayBuffer + * @param length is the number of bytes from the offset that this DataView will reference + * @return newly constructed DataView object + */ + @SpecializedConstructor + public static Object constructor(final boolean newObj, final Object self, final Object arrBuf, final int offset, final int length) { + if (!(arrBuf instanceof NativeArrayBuffer)) { + throw typeError("not.an.arraybuffer.in.dataview"); + } + return new NativeDataView((NativeArrayBuffer) arrBuf, offset, length); + } + + // Gets the value of the given type at the specified byte offset + // from the start of the view. There is no alignment constraint; + // multi-byte values may be fetched from any offset. + // + // For multi-byte values, the optional littleEndian argument + // indicates whether a big-endian or little-endian value should be + // read. If false or undefined, a big-endian value is read. + // + // These methods raise an exception if they would read + // beyond the end of the view. + + /** + * Get 8-bit signed int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @return 8-bit signed int value at the byteOffset + */ + @Function(attributes = Attribute.NOT_ENUMERABLE) + public static int getInt8(final Object self, final Object byteOffset) { + try { + return getBuffer(self).get(JSType.toInt32(byteOffset)); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 8-bit signed int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @return 8-bit signed int value at the byteOffset + */ + @SpecializedFunction + public static int getInt8(final Object self, final int byteOffset) { + try { + return getBuffer(self).get(byteOffset); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 8-bit unsigned int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @return 8-bit unsigned int value at the byteOffset + */ + @Function(attributes = Attribute.NOT_ENUMERABLE) + public static int getUint8(final Object self, final Object byteOffset) { + try { + return (0xFF & getBuffer(self).get(JSType.toInt32(byteOffset))); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 8-bit unsigned int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @return 8-bit unsigned int value at the byteOffset + */ + @SpecializedFunction + public static int getUint8(final Object self, final int byteOffset) { + try { + return (0xFF & getBuffer(self).get(byteOffset)); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 16-bit signed int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @param littleEndian (optional) flag indicating whether to read in little endian order + * @return 16-bit signed int value at the byteOffset + */ + @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1) + public static int getInt16(final Object self, final Object byteOffset, final Object littleEndian) { + try { + return getBuffer(self, littleEndian).getShort(JSType.toInt32(byteOffset)); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 16-bit signed int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @return 16-bit signed int value at the byteOffset + */ + @SpecializedFunction + public static int getInt16(final Object self, final int byteOffset) { + try { + return getBuffer(self, false).getShort(byteOffset); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 16-bit signed int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @param littleEndian (optional) flag indicating whether to read in little endian order + * @return 16-bit signed int value at the byteOffset + */ + @SpecializedFunction + public static int getInt16(final Object self, final int byteOffset, final boolean littleEndian) { + try { + return getBuffer(self, littleEndian).getShort(byteOffset); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 16-bit unsigned int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @param littleEndian (optional) flag indicating whether to read in little endian order + * @return 16-bit unsigned int value at the byteOffset + */ + @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1) + public static int getUint16(final Object self, final Object byteOffset, final Object littleEndian) { + try { + return (int) (0xFFFF & getBuffer(self, littleEndian).getShort(JSType.toInt32(byteOffset))); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 16-bit unsigned int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @return 16-bit unsigned int value at the byteOffset + */ + @SpecializedFunction + public static int getUint16(final Object self, final int byteOffset) { + try { + return (int) (0xFFFF & getBuffer(self, false).getShort(byteOffset)); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 16-bit unsigned int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @param littleEndian (optional) flag indicating whether to read in little endian order + * @return 16-bit unsigned int value at the byteOffset + */ + @SpecializedFunction + public static int getUint16(final Object self, final int byteOffset, final boolean littleEndian) { + try { + return (int) (0xFFFF & getBuffer(self, littleEndian).getShort(byteOffset)); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 32-bit signed int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @param littleEndian (optional) flag indicating whether to read in little endian order + * @return 32-bit signed int value at the byteOffset + */ + @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1) + public static int getInt32(final Object self, final Object byteOffset, final Object littleEndian) { + try { + return getBuffer(self, littleEndian).getInt(JSType.toInt32(byteOffset)); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 32-bit signed int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @return 32-bit signed int value at the byteOffset + */ + @SpecializedFunction + public static int getInt32(final Object self, final int byteOffset) { + try { + return getBuffer(self, false).getInt(byteOffset); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 32-bit signed int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @param littleEndian (optional) flag indicating whether to read in little endian order + * @return 32-bit signed int value at the byteOffset + */ + @SpecializedFunction + public static int getInt32(final Object self, final int byteOffset, final boolean littleEndian) { + try { + return getBuffer(self, littleEndian).getInt(byteOffset); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 32-bit unsigned int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @param littleEndian (optional) flag indicating whether to read in little endian order + * @return 32-bit unsigned int value at the byteOffset + */ + @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1) + public static long getUint32(final Object self, final Object byteOffset, final Object littleEndian) { + try { + return (long) (0xFFFFFFFFL & getBuffer(self, littleEndian).getInt(JSType.toInt32(byteOffset))); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 32-bit unsigned int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @return 32-bit unsigned int value at the byteOffset + */ + @SpecializedFunction + public static long getUint32(final Object self, final int byteOffset) { + try { + return (long) (0xFFFFFFFFL & getBuffer(self, false).getInt(JSType.toInt32(byteOffset))); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 32-bit unsigned int from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @param littleEndian (optional) flag indicating whether to read in little endian order + * @return 32-bit unsigned int value at the byteOffset + */ + @SpecializedFunction + public static long getUint32(final Object self, final int byteOffset, final boolean littleEndian) { + try { + return (long) (0xFFFFFFFFL & getBuffer(self, littleEndian).getInt(JSType.toInt32(byteOffset))); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 32-bit float value from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @param littleEndian (optional) flag indicating whether to read in little endian order + * @return 32-bit float value at the byteOffset + */ + @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1) + public static double getFloat32(final Object self, final Object byteOffset, final Object littleEndian) { + try { + return getBuffer(self, littleEndian).getFloat(JSType.toInt32(byteOffset)); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 32-bit float value from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @return 32-bit float value at the byteOffset + */ + @SpecializedFunction + public static double getFloat32(final Object self, final int byteOffset) { + try { + return getBuffer(self, false).getFloat(byteOffset); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 32-bit float value from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @param littleEndian (optional) flag indicating whether to read in little endian order + * @return 32-bit float value at the byteOffset + */ + @SpecializedFunction + public static double getFloat32(final Object self, final int byteOffset, final boolean littleEndian) { + try { + return getBuffer(self, littleEndian).getFloat(byteOffset); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 64-bit float value from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @param littleEndian (optional) flag indicating whether to read in little endian order + * @return 64-bit float value at the byteOffset + */ + @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1) + public static double getFloat64(final Object self, final Object byteOffset, final Object littleEndian) { + try { + return getBuffer(self, littleEndian).getDouble(JSType.toInt32(byteOffset)); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 64-bit float value from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @return 64-bit float value at the byteOffset + */ + @SpecializedFunction + public static double getFloat64(final Object self, final int byteOffset) { + try { + return getBuffer(self, false).getDouble(byteOffset); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Get 64-bit float value from given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @param littleEndian (optional) flag indicating whether to read in little endian order + * @return 64-bit float value at the byteOffset + */ + @SpecializedFunction + public static double getFloat64(final Object self, final int byteOffset, final boolean littleEndian) { + try { + return getBuffer(self, littleEndian).getDouble(byteOffset); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + // Stores a value of the given type at the specified byte offset + // from the start of the view. There is no alignment constraint; + // multi-byte values may be stored at any offset. + // + // For multi-byte values, the optional littleEndian argument + // indicates whether the value should be stored in big-endian or + // little-endian byte order. If false or undefined, the value is + // stored in big-endian byte order. + // + // These methods raise an exception if they would write + // beyond the end of the view. + + /** + * Set 8-bit signed int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @param value byte value to set + * @return undefined + */ + @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 2) + public static Object setInt8(final Object self, final Object byteOffset, final Object value) { + try { + getBuffer(self).put(JSType.toInt32(byteOffset), (byte)JSType.toInt32(value)); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 8-bit signed int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to read from + * @param value byte value to set + * @return undefined + */ + @SpecializedFunction + public static Object setInt8(final Object self, final int byteOffset, final int value) { + try { + getBuffer(self).put(byteOffset, (byte)value); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 8-bit unsigned int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value byte value to set + * @return undefined + */ + @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 2) + public static Object setUint8(final Object self, final Object byteOffset, final Object value) { + try { + getBuffer(self).put(JSType.toInt32(byteOffset), (byte)JSType.toInt32(value)); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 8-bit unsigned int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value byte value to set + * @return undefined + */ + @SpecializedFunction + public static Object setUint8(final Object self, final int byteOffset, final int value) { + try { + getBuffer(self).put(byteOffset, (byte)value); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 16-bit signed int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value short value to set + * @param littleEndian (optional) flag indicating whether to write in little endian order + * @return undefined + */ + @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 2) + public static Object setInt16(final Object self, final Object byteOffset, final Object value, final Object littleEndian) { + try { + getBuffer(self, littleEndian).putShort(JSType.toInt32(byteOffset), (short)JSType.toInt32(value)); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 16-bit signed int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value short value to set + * @return undefined + */ + @SpecializedFunction + public static Object setInt16(final Object self, final int byteOffset, final int value) { + try { + getBuffer(self, false).putShort(byteOffset, (short)value); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 16-bit signed int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value short value to set + * @param littleEndian (optional) flag indicating whether to write in little endian order + * @return undefined + */ + @SpecializedFunction + public static Object setInt16(final Object self, final int byteOffset, final int value, final boolean littleEndian) { + try { + getBuffer(self, littleEndian).putShort(byteOffset, (short)value); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 16-bit unsigned int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value short value to set + * @param littleEndian (optional) flag indicating whether to write in little endian order + * @return undefined + */ + @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 2) + public static Object setUint16(final Object self, final Object byteOffset, final Object value, final Object littleEndian) { + try { + getBuffer(self, littleEndian).putShort(JSType.toInt32(byteOffset), (short)JSType.toInt32(value)); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 16-bit unsigned int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value short value to set + * @return undefined + */ + @SpecializedFunction + public static Object setUint16(final Object self, final int byteOffset, final int value) { + try { + getBuffer(self, false).putShort(byteOffset, (short)value); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 16-bit unsigned int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value short value to set + * @param littleEndian (optional) flag indicating whether to write in little endian order + * @return undefined + */ + @SpecializedFunction + public static Object setUint16(final Object self, final int byteOffset, final int value, final boolean littleEndian) { + try { + getBuffer(self, littleEndian).putShort(byteOffset, (short)value); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 32-bit signed int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value int value to set + * @param littleEndian (optional) flag indicating whether to write in little endian order + * @return undefined + */ + @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 2) + public static Object setInt32(final Object self, final Object byteOffset, final Object value, final Object littleEndian) { + try { + getBuffer(self, littleEndian).putInt(JSType.toInt32(byteOffset), (int)JSType.toInt32(value)); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 32-bit signed int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value int value to set + * @return undefined + */ + @SpecializedFunction + public static Object setInt32(final Object self, final int byteOffset, final int value) { + try { + getBuffer(self, false).putInt(byteOffset, value); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 32-bit signed int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value int value to set + * @param littleEndian (optional) flag indicating whether to write in little endian order + * @return undefined + */ + @SpecializedFunction + public static Object setInt32(final Object self, final int byteOffset, final int value, final boolean littleEndian) { + try { + getBuffer(self, littleEndian).putInt(byteOffset, value); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 32-bit unsigned int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value int value to set + * @param littleEndian (optional) flag indicating whether to write in little endian order + * @return undefined + */ + @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 2) + public static Object setUint32(final Object self, final Object byteOffset, final Object value, final Object littleEndian) { + try { + getBuffer(self, littleEndian).putInt(JSType.toInt32(byteOffset), (int)JSType.toUint32(value)); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 32-bit unsigned int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value int value to set + * @return undefined + */ + @SpecializedFunction + public static Object setUint32(final Object self, final int byteOffset, final long value) { + try { + getBuffer(self, false).putInt(byteOffset, (int)value); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 32-bit unsigned int at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value int value to set + * @param littleEndian (optional) flag indicating whether to write in little endian order + * @return undefined + */ + @SpecializedFunction + public static Object setUint32(final Object self, final int byteOffset, final long value, final boolean littleEndian) { + try { + getBuffer(self, littleEndian).putInt(byteOffset, (int)value); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 32-bit float at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value float value to set + * @param littleEndian (optional) flag indicating whether to write in little endian order + * @return undefined + */ + @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 2) + public static Object setFloat32(final Object self, final Object byteOffset, final Object value, final Object littleEndian) { + try { + getBuffer(self, littleEndian).putFloat((int)JSType.toUint32(byteOffset), (float)JSType.toNumber(value)); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 32-bit float at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value float value to set + * @return undefined + */ + @SpecializedFunction + public static Object setFloat32(final Object self, final int byteOffset, final double value) { + try { + getBuffer(self, false).putFloat(byteOffset, (float)value); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 32-bit float at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value float value to set + * @param littleEndian (optional) flag indicating whether to write in little endian order + * @return undefined + */ + @SpecializedFunction + public static Object setFloat32(final Object self, final int byteOffset, final double value, final boolean littleEndian) { + try { + getBuffer(self, littleEndian).putFloat(byteOffset, (float)value); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 64-bit float at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value double value to set + * @param littleEndian (optional) flag indicating whether to write in little endian order + * @return undefined + */ + @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 2) + public static Object setFloat64(final Object self, final Object byteOffset, final Object value, final Object littleEndian) { + try { + getBuffer(self, littleEndian).putDouble((int)JSType.toUint32(byteOffset), JSType.toNumber(value)); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 64-bit float at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value double value to set + * @return undefined + */ + @SpecializedFunction + public static Object setFloat64(final Object self, final int byteOffset, final double value) { + try { + getBuffer(self, false).putDouble(byteOffset, value); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + /** + * Set 64-bit float at the given byteOffset + * + * @param self DataView object + * @param byteOffset byte offset to write at + * @param value double value to set + * @param littleEndian (optional) flag indicating whether to write in little endian order + * @return undefined + */ + @SpecializedFunction + public static Object setFloat64(final Object self, final int byteOffset, final double value, final boolean littleEndian) { + try { + getBuffer(self, littleEndian).putDouble(byteOffset, value); + return UNDEFINED; + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.offset"); + } + } + + // internals only below this point + private static ByteBuffer bufferFrom(final NativeArrayBuffer nab, final int offset) { + try { + return nab.getBuffer(offset); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.constructor.offset"); + } + } + + private static ByteBuffer bufferFrom(final NativeArrayBuffer nab, final int offset, final int length) { + try { + return nab.getBuffer(offset, length); + } catch (final IndexOutOfBoundsException ioe) { + throw rangeError(ioe, "dataview.constructor.offset"); + } + } + + private static NativeDataView checkSelf(final Object self) { + if (!(self instanceof NativeDataView)) { + throw typeError("not.an.arraybuffer", ScriptRuntime.safeToString(self)); + } + return (NativeDataView)self; + } + + private static ByteBuffer getBuffer(final Object self) { + return checkSelf(self).buf; + } + + private static ByteBuffer getBuffer(final Object self, final Object littleEndian) { + return getBuffer(self, JSType.toBoolean(littleEndian)); + } + + private static ByteBuffer getBuffer(final Object self, final boolean littleEndian) { + return getBuffer(self).order(littleEndian? ByteOrder.LITTLE_ENDIAN : ByteOrder.BIG_ENDIAN); + } +} diff --git a/nashorn/src/jdk/nashorn/internal/objects/NativeDate.java b/nashorn/src/jdk/nashorn/internal/objects/NativeDate.java index b0d120222a9..34e27f173ac 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/NativeDate.java +++ b/nashorn/src/jdk/nashorn/internal/objects/NativeDate.java @@ -114,10 +114,6 @@ public final class NativeDate extends ScriptObject { // initialized by nasgen private static PropertyMap $nasgenmap$; - static PropertyMap getInitialMap() { - return $nasgenmap$; - } - private NativeDate(final double time, final ScriptObject proto, final PropertyMap map) { super(proto, map); final ScriptEnvironment env = Global.getEnv(); @@ -127,7 +123,7 @@ public final class NativeDate extends ScriptObject { } NativeDate(final double time, final Global global) { - this(time, global.getDatePrototype(), getInitialMap()); + this(time, global.getDatePrototype(), $nasgenmap$); } private NativeDate (final double time) { diff --git a/nashorn/src/jdk/nashorn/internal/objects/NativeError.java b/nashorn/src/jdk/nashorn/internal/objects/NativeError.java index e1a4730d553..3dea27288b0 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/NativeError.java +++ b/nashorn/src/jdk/nashorn/internal/objects/NativeError.java @@ -92,10 +92,6 @@ public final class NativeError extends ScriptObject { // initialized by nasgen private static PropertyMap $nasgenmap$; - static PropertyMap getInitialMap() { - return $nasgenmap$; - } - @SuppressWarnings("LeakingThisInConstructor") private NativeError(final Object msg, final ScriptObject proto, final PropertyMap map) { super(proto, map); @@ -108,7 +104,7 @@ public final class NativeError extends ScriptObject { } NativeError(final Object msg, final Global global) { - this(msg, global.getErrorPrototype(), getInitialMap()); + this(msg, global.getErrorPrototype(), $nasgenmap$); } private NativeError(final Object msg) { diff --git a/nashorn/src/jdk/nashorn/internal/objects/NativeEvalError.java b/nashorn/src/jdk/nashorn/internal/objects/NativeEvalError.java index bb11ef6c354..2b343ede673 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/NativeEvalError.java +++ b/nashorn/src/jdk/nashorn/internal/objects/NativeEvalError.java @@ -62,10 +62,6 @@ public final class NativeEvalError extends ScriptObject { // initialized by nasgen private static PropertyMap $nasgenmap$; - static PropertyMap getInitialMap() { - return $nasgenmap$; - } - @SuppressWarnings("LeakingThisInConstructor") private NativeEvalError(final Object msg, final ScriptObject proto, final PropertyMap map) { super(proto, map); @@ -78,7 +74,7 @@ public final class NativeEvalError extends ScriptObject { } NativeEvalError(final Object msg, final Global global) { - this(msg, global.getEvalErrorPrototype(), getInitialMap()); + this(msg, global.getEvalErrorPrototype(), $nasgenmap$); } private NativeEvalError(final Object msg) { diff --git a/nashorn/src/jdk/nashorn/internal/objects/NativeJSAdapter.java b/nashorn/src/jdk/nashorn/internal/objects/NativeJSAdapter.java index c77b2fe0fa9..b71b4276cd8 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/NativeJSAdapter.java +++ b/nashorn/src/jdk/nashorn/internal/objects/NativeJSAdapter.java @@ -146,10 +146,6 @@ public final class NativeJSAdapter extends ScriptObject { // initialized by nasgen private static PropertyMap $nasgenmap$; - static PropertyMap getInitialMap() { - return $nasgenmap$; - } - NativeJSAdapter(final Object overrides, final ScriptObject adaptee, final ScriptObject proto, final PropertyMap map) { super(proto, map); this.adaptee = wrapAdaptee(adaptee); @@ -577,7 +573,7 @@ public final class NativeJSAdapter extends ScriptObject { proto = global.getJSAdapterPrototype(); } - return new NativeJSAdapter(overrides, (ScriptObject)adaptee, (ScriptObject)proto, getInitialMap()); + return new NativeJSAdapter(overrides, (ScriptObject)adaptee, (ScriptObject)proto, $nasgenmap$); } @Override @@ -622,7 +618,7 @@ public final class NativeJSAdapter extends ScriptObject { case "getMethod": final FindProperty find = adaptee.findProperty(__call__, true); if (find != null) { - final Object value = getObjectValue(find); + final Object value = find.getObjectValue(); if (value instanceof ScriptFunction) { final ScriptFunctionImpl func = (ScriptFunctionImpl)value; // TODO: It's a shame we need to produce a function bound to this and name, when we'd only need it bound @@ -691,7 +687,7 @@ public final class NativeJSAdapter extends ScriptObject { final MethodType type = desc.getMethodType(); if (findData != null) { final String name = desc.getNameTokenCount() > 2 ? desc.getNameToken(2) : null; - final Object value = getObjectValue(findData); + final Object value = findData.getObjectValue(); if (value instanceof ScriptFunction) { final ScriptFunction func = (ScriptFunction)value; diff --git a/nashorn/src/jdk/nashorn/internal/objects/NativeJavaImporter.java b/nashorn/src/jdk/nashorn/internal/objects/NativeJavaImporter.java index c86f3053526..49be8a7c473 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/NativeJavaImporter.java +++ b/nashorn/src/jdk/nashorn/internal/objects/NativeJavaImporter.java @@ -60,17 +60,13 @@ public final class NativeJavaImporter extends ScriptObject { // initialized by nasgen private static PropertyMap $nasgenmap$; - static PropertyMap getInitialMap() { - return $nasgenmap$; - } - private NativeJavaImporter(final Object[] args, final ScriptObject proto, final PropertyMap map) { super(proto, map); this.args = args; } private NativeJavaImporter(final Object[] args, final Global global) { - this(args, global.getJavaImporterPrototype(), getInitialMap()); + this(args, global.getJavaImporterPrototype(), $nasgenmap$); } private NativeJavaImporter(final Object[] args) { diff --git a/nashorn/src/jdk/nashorn/internal/objects/NativeNumber.java b/nashorn/src/jdk/nashorn/internal/objects/NativeNumber.java index 09289a015d0..4181d205051 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/NativeNumber.java +++ b/nashorn/src/jdk/nashorn/internal/objects/NativeNumber.java @@ -34,6 +34,7 @@ import static jdk.nashorn.internal.lookup.Lookup.MH; import java.lang.invoke.MethodHandle; import java.lang.invoke.MethodHandles; +import java.lang.invoke.MethodType; import java.text.NumberFormat; import java.util.Locale; import jdk.internal.dynalink.linker.GuardedInvocation; @@ -57,7 +58,10 @@ import jdk.nashorn.internal.runtime.linker.PrimitiveLookup; @ScriptClass("Number") public final class NativeNumber extends ScriptObject { - static final MethodHandle WRAPFILTER = findWrapFilter(); + // Method handle to create an object wrapper for a primitive number + private static final MethodHandle WRAPFILTER = findOwnMH("wrapFilter", MH.type(NativeNumber.class, Object.class)); + // Method handle to retrieve the Number prototype object + private static final MethodHandle PROTOFILTER = findOwnMH("protoFilter", MH.type(Object.class, Object.class)); /** ECMA 15.7.3.2 largest positive finite value */ @Property(attributes = Attribute.NON_ENUMERABLE_CONSTANT, where = Where.CONSTRUCTOR) @@ -86,10 +90,6 @@ public final class NativeNumber extends ScriptObject { // initialized by nasgen private static PropertyMap $nasgenmap$; - static PropertyMap getInitialMap() { - return $nasgenmap$; - } - private NativeNumber(final double value, final ScriptObject proto, final PropertyMap map) { super(proto, map); this.value = value; @@ -98,7 +98,7 @@ public final class NativeNumber extends ScriptObject { } NativeNumber(final double value, final Global global) { - this(value, global.getNumberPrototype(), getInitialMap()); + this(value, global.getNumberPrototype(), $nasgenmap$); } private NativeNumber(final double value) { @@ -322,7 +322,7 @@ public final class NativeNumber extends ScriptObject { * @return Link to be invoked at call site. */ public static GuardedInvocation lookupPrimitive(final LinkRequest request, final Object receiver) { - return PrimitiveLookup.lookupPrimitive(request, Number.class, new NativeNumber(((Number)receiver).doubleValue()), WRAPFILTER); + return PrimitiveLookup.lookupPrimitive(request, Number.class, new NativeNumber(((Number)receiver).doubleValue()), WRAPFILTER, PROTOFILTER); } @SuppressWarnings("unused") @@ -330,6 +330,11 @@ public final class NativeNumber extends ScriptObject { return new NativeNumber(((Number)receiver).doubleValue()); } + @SuppressWarnings("unused") + private static Object protoFilter(final Object object) { + return Global.instance().getNumberPrototype(); + } + private static double getNumberValue(final Object self) { if (self instanceof Number) { return ((Number)self).doubleValue(); @@ -378,7 +383,7 @@ public final class NativeNumber extends ScriptObject { return str; } - private static MethodHandle findWrapFilter() { - return MH.findStatic(MethodHandles.lookup(), NativeNumber.class, "wrapFilter", MH.type(NativeNumber.class, Object.class)); + private static MethodHandle findOwnMH(final String name, final MethodType type) { + return MH.findStatic(MethodHandles.lookup(), NativeNumber.class, name, type); } } diff --git a/nashorn/src/jdk/nashorn/internal/objects/NativeRangeError.java b/nashorn/src/jdk/nashorn/internal/objects/NativeRangeError.java index 6e0d954bc7c..4b2bebcfd2d 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/NativeRangeError.java +++ b/nashorn/src/jdk/nashorn/internal/objects/NativeRangeError.java @@ -62,10 +62,6 @@ public final class NativeRangeError extends ScriptObject { // initialized by nasgen private static PropertyMap $nasgenmap$; - static PropertyMap getInitialMap() { - return $nasgenmap$; - } - @SuppressWarnings("LeakingThisInConstructor") private NativeRangeError(final Object msg, final ScriptObject proto, final PropertyMap map) { super(proto, map); @@ -78,7 +74,7 @@ public final class NativeRangeError extends ScriptObject { } NativeRangeError(final Object msg, final Global global) { - this(msg, global.getRangeErrorPrototype(), getInitialMap()); + this(msg, global.getRangeErrorPrototype(), $nasgenmap$); } private NativeRangeError(final Object msg) { diff --git a/nashorn/src/jdk/nashorn/internal/objects/NativeReferenceError.java b/nashorn/src/jdk/nashorn/internal/objects/NativeReferenceError.java index 052950c6d24..504f16ecd6c 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/NativeReferenceError.java +++ b/nashorn/src/jdk/nashorn/internal/objects/NativeReferenceError.java @@ -62,10 +62,6 @@ public final class NativeReferenceError extends ScriptObject { // initialized by nasgen private static PropertyMap $nasgenmap$; - static PropertyMap getInitialMap() { - return $nasgenmap$; - } - @SuppressWarnings("LeakingThisInConstructor") private NativeReferenceError(final Object msg, final ScriptObject proto, final PropertyMap map) { super(proto, map); @@ -78,7 +74,7 @@ public final class NativeReferenceError extends ScriptObject { } NativeReferenceError(final Object msg, final Global global) { - this(msg, global.getReferenceErrorPrototype(), getInitialMap()); + this(msg, global.getReferenceErrorPrototype(), $nasgenmap$); } private NativeReferenceError(final Object msg) { diff --git a/nashorn/src/jdk/nashorn/internal/objects/NativeRegExp.java b/nashorn/src/jdk/nashorn/internal/objects/NativeRegExp.java index abc3366d353..04b828bfc21 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/NativeRegExp.java +++ b/nashorn/src/jdk/nashorn/internal/objects/NativeRegExp.java @@ -70,12 +70,8 @@ public final class NativeRegExp extends ScriptObject { // initialized by nasgen private static PropertyMap $nasgenmap$; - static PropertyMap getInitialMap() { - return $nasgenmap$; - } - private NativeRegExp(final Global global) { - super(global.getRegExpPrototype(), getInitialMap()); + super(global.getRegExpPrototype(), $nasgenmap$); this.globalObject = global; } diff --git a/nashorn/src/jdk/nashorn/internal/objects/NativeRegExpExecResult.java b/nashorn/src/jdk/nashorn/internal/objects/NativeRegExpExecResult.java index 5d79699e2ae..f12cea12c13 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/NativeRegExpExecResult.java +++ b/nashorn/src/jdk/nashorn/internal/objects/NativeRegExpExecResult.java @@ -53,12 +53,8 @@ public final class NativeRegExpExecResult extends ScriptObject { // initialized by nasgen private static PropertyMap $nasgenmap$; - static PropertyMap getInitialMap() { - return $nasgenmap$; - } - NativeRegExpExecResult(final RegExpResult result, final Global global) { - super(global.getArrayPrototype(), getInitialMap()); + super(global.getArrayPrototype(), $nasgenmap$); setIsArray(); this.setArray(ArrayData.allocate(result.getGroups().clone())); this.index = result.getIndex(); diff --git a/nashorn/src/jdk/nashorn/internal/objects/NativeString.java b/nashorn/src/jdk/nashorn/internal/objects/NativeString.java index 2370f514518..c75b2b00362 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/NativeString.java +++ b/nashorn/src/jdk/nashorn/internal/objects/NativeString.java @@ -32,6 +32,7 @@ import static jdk.nashorn.internal.runtime.ScriptRuntime.UNDEFINED; import java.lang.invoke.MethodHandle; import java.lang.invoke.MethodHandles; +import java.lang.invoke.MethodType; import java.text.Collator; import java.util.ArrayList; import java.util.Arrays; @@ -69,21 +70,20 @@ public final class NativeString extends ScriptObject { private final CharSequence value; - static final MethodHandle WRAPFILTER = findWrapFilter(); + // Method handle to create an object wrapper for a primitive string + private static final MethodHandle WRAPFILTER = findOwnMH("wrapFilter", MH.type(NativeString.class, Object.class)); + // Method handle to retrieve the String prototype object + private static final MethodHandle PROTOFILTER = findOwnMH("protoFilter", MH.type(Object.class, Object.class)); // initialized by nasgen private static PropertyMap $nasgenmap$; - static PropertyMap getInitialMap() { - return $nasgenmap$; - } - private NativeString(final CharSequence value) { this(value, Global.instance()); } NativeString(final CharSequence value, final Global global) { - this(value, global.getStringPrototype(), getInitialMap()); + this(value, global.getStringPrototype(), $nasgenmap$); } private NativeString(final CharSequence value, final ScriptObject proto, final PropertyMap map) { @@ -1199,7 +1199,7 @@ public final class NativeString extends ScriptObject { */ public static GuardedInvocation lookupPrimitive(final LinkRequest request, final Object receiver) { final MethodHandle guard = NashornGuards.getInstanceOf2Guard(String.class, ConsString.class); - return PrimitiveLookup.lookupPrimitive(request, guard, new NativeString((CharSequence)receiver), WRAPFILTER); + return PrimitiveLookup.lookupPrimitive(request, guard, new NativeString((CharSequence)receiver), WRAPFILTER, PROTOFILTER); } @SuppressWarnings("unused") @@ -1207,6 +1207,11 @@ public final class NativeString extends ScriptObject { return new NativeString((CharSequence)receiver); } + @SuppressWarnings("unused") + private static Object protoFilter(final Object object) { + return Global.instance().getStringPrototype(); + } + private static CharSequence getCharSequence(final Object self) { if (self instanceof String || self instanceof ConsString) { return (CharSequence)self; @@ -1254,7 +1259,7 @@ public final class NativeString extends ScriptObject { return key >= 0 && key < value.length(); } - private static MethodHandle findWrapFilter() { - return MH.findStatic(MethodHandles.lookup(), NativeString.class, "wrapFilter", MH.type(NativeString.class, Object.class)); + private static MethodHandle findOwnMH(final String name, final MethodType type) { + return MH.findStatic(MethodHandles.lookup(), NativeString.class, name, type); } } diff --git a/nashorn/src/jdk/nashorn/internal/objects/NativeSyntaxError.java b/nashorn/src/jdk/nashorn/internal/objects/NativeSyntaxError.java index ffe1b0a7432..6515f3cc2e6 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/NativeSyntaxError.java +++ b/nashorn/src/jdk/nashorn/internal/objects/NativeSyntaxError.java @@ -62,13 +62,9 @@ public final class NativeSyntaxError extends ScriptObject { // initialized by nasgen private static PropertyMap $nasgenmap$; - static PropertyMap getInitialMap() { - return $nasgenmap$; - } - @SuppressWarnings("LeakingThisInConstructor") NativeSyntaxError(final Object msg, final Global global) { - super(global.getSyntaxErrorPrototype(), getInitialMap()); + super(global.getSyntaxErrorPrototype(), $nasgenmap$); if (msg != UNDEFINED) { this.instMessage = JSType.toString(msg); } else { diff --git a/nashorn/src/jdk/nashorn/internal/objects/NativeTypeError.java b/nashorn/src/jdk/nashorn/internal/objects/NativeTypeError.java index 067139cda3d..f799b1767d0 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/NativeTypeError.java +++ b/nashorn/src/jdk/nashorn/internal/objects/NativeTypeError.java @@ -62,13 +62,9 @@ public final class NativeTypeError extends ScriptObject { // initialized by nasgen private static PropertyMap $nasgenmap$; - static PropertyMap getInitialMap() { - return $nasgenmap$; - } - @SuppressWarnings("LeakingThisInConstructor") NativeTypeError(final Object msg, final Global global) { - super(global.getTypeErrorPrototype(), getInitialMap()); + super(global.getTypeErrorPrototype(), $nasgenmap$); if (msg != UNDEFINED) { this.instMessage = JSType.toString(msg); } else { diff --git a/nashorn/src/jdk/nashorn/internal/objects/NativeURIError.java b/nashorn/src/jdk/nashorn/internal/objects/NativeURIError.java index 382e23f4b65..fd59bc8a209 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/NativeURIError.java +++ b/nashorn/src/jdk/nashorn/internal/objects/NativeURIError.java @@ -61,13 +61,9 @@ public final class NativeURIError extends ScriptObject { // initialized by nasgen private static PropertyMap $nasgenmap$; - static PropertyMap getInitialMap() { - return $nasgenmap$; - } - @SuppressWarnings("LeakingThisInConstructor") NativeURIError(final Object msg, final Global global) { - super(global.getURIErrorPrototype(), getInitialMap()); + super(global.getURIErrorPrototype(), $nasgenmap$); if (msg != UNDEFINED) { this.instMessage = JSType.toString(msg); } else { diff --git a/nashorn/src/jdk/nashorn/internal/objects/PrototypeObject.java b/nashorn/src/jdk/nashorn/internal/objects/PrototypeObject.java index 1fd4f60d5a0..483f6174702 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/PrototypeObject.java +++ b/nashorn/src/jdk/nashorn/internal/objects/PrototypeObject.java @@ -57,10 +57,6 @@ public class PrototypeObject extends ScriptObject { map$ = PropertyMap.newMap(properties); } - static PropertyMap getInitialMap() { - return map$; - } - private PrototypeObject(final Global global, final PropertyMap map) { super(global.getObjectPrototype(), map != map$? map.addAll(map$) : map$); } diff --git a/nashorn/src/jdk/nashorn/internal/objects/ScriptFunctionImpl.java b/nashorn/src/jdk/nashorn/internal/objects/ScriptFunctionImpl.java index 9852c96273d..dcbc7da99c8 100644 --- a/nashorn/src/jdk/nashorn/internal/objects/ScriptFunctionImpl.java +++ b/nashorn/src/jdk/nashorn/internal/objects/ScriptFunctionImpl.java @@ -55,27 +55,11 @@ public class ScriptFunctionImpl extends ScriptFunction { // property map for non-strict, non-bound functions. private static final PropertyMap map$; - static PropertyMap getInitialMap() { - return map$; - } - - static PropertyMap getInitialAnonymousMap() { - return AnonymousFunction.getInitialMap(); - } - - static PropertyMap getInitialStrictMap() { - return strictmodemap$; - } - - static PropertyMap getInitialBoundMap() { - return boundfunctionmap$; - } - // Marker object for lazily initialized prototype object private static final Object LAZY_PROTOTYPE = new Object(); private ScriptFunctionImpl(final String name, final MethodHandle invokeHandle, final MethodHandle[] specs, final Global global) { - super(name, invokeHandle, getInitialMap(), null, specs, false, true, true); + super(name, invokeHandle, map$, null, specs, ScriptFunctionData.IS_BUILTIN_CONSTRUCTOR); init(global); } @@ -92,7 +76,7 @@ public class ScriptFunctionImpl extends ScriptFunction { } private ScriptFunctionImpl(final String name, final MethodHandle invokeHandle, final PropertyMap map, final MethodHandle[] specs, final Global global) { - super(name, invokeHandle, map.addAll(getInitialMap()), null, specs, false, true, true); + super(name, invokeHandle, map.addAll(map$), null, specs, ScriptFunctionData.IS_BUILTIN_CONSTRUCTOR); init(global); } @@ -109,8 +93,8 @@ public class ScriptFunctionImpl extends ScriptFunction { this(name, invokeHandle, map, specs, Global.instance()); } - private ScriptFunctionImpl(final String name, final MethodHandle methodHandle, final ScriptObject scope, final MethodHandle[] specs, final boolean isStrict, final boolean isBuiltin, final boolean isConstructor, final Global global) { - super(name, methodHandle, getMap(global, isStrict), scope, specs, isStrict, isBuiltin, isConstructor); + private ScriptFunctionImpl(final String name, final MethodHandle methodHandle, final ScriptObject scope, final MethodHandle[] specs, final int flags, final Global global) { + super(name, methodHandle, getMap(isStrict(flags)), scope, specs, flags); init(global); } @@ -121,16 +105,14 @@ public class ScriptFunctionImpl extends ScriptFunction { * @param methodHandle handle for invocation * @param scope scope object * @param specs specialized versions of this method, if available, null otherwise - * @param isStrict are we in strict mode - * @param isBuiltin is this a built-in function - * @param isConstructor can the function be used as a constructor (most can; some built-ins are restricted). + * @param flags {@link ScriptFunctionData} flags */ - ScriptFunctionImpl(final String name, final MethodHandle methodHandle, final ScriptObject scope, final MethodHandle[] specs, final boolean isStrict, final boolean isBuiltin, final boolean isConstructor) { - this(name, methodHandle, scope, specs, isStrict, isBuiltin, isConstructor, Global.instance()); + ScriptFunctionImpl(final String name, final MethodHandle methodHandle, final ScriptObject scope, final MethodHandle[] specs, final int flags) { + this(name, methodHandle, scope, specs, flags, Global.instance()); } private ScriptFunctionImpl(final RecompilableScriptFunctionData data, final ScriptObject scope, final Global global) { - super(data, getMap(global, data.isStrict()), scope); + super(data, getMap(data.isStrict()), scope); init(global); } @@ -150,7 +132,7 @@ public class ScriptFunctionImpl extends ScriptFunction { * @param global the global object */ ScriptFunctionImpl(final ScriptFunctionData data, final Global global) { - super(data, getInitialBoundMap(), null); + super(data, boundfunctionmap$, null); init(global); } @@ -173,9 +155,13 @@ public class ScriptFunctionImpl extends ScriptFunction { return newMap; } + private static boolean isStrict(final int flags) { + return (flags & ScriptFunctionData.IS_STRICT) != 0; + } + // Choose the map based on strict mode! - private static PropertyMap getMap(final Global global, final boolean strict) { - return strict ? getInitialStrictMap() : getInitialMap(); + private static PropertyMap getMap(final boolean strict) { + return strict ? strictmodemap$ : map$; } private static PropertyMap createBoundFunctionMap(final PropertyMap strictModeMap) { @@ -189,12 +175,8 @@ public class ScriptFunctionImpl extends ScriptFunction { private static class AnonymousFunction extends ScriptFunctionImpl { private static final PropertyMap anonmap$ = PropertyMap.newMap(); - static PropertyMap getInitialMap() { - return anonmap$; - } - AnonymousFunction(final Global global) { - super("", GlobalFunctions.ANONYMOUS, getInitialAnonymousMap(), null); + super("", GlobalFunctions.ANONYMOUS, anonmap$, null); } } @@ -211,7 +193,7 @@ public class ScriptFunctionImpl extends ScriptFunction { * @return new ScriptFunction */ static ScriptFunction makeFunction(final String name, final MethodHandle methodHandle, final MethodHandle[] specs) { - final ScriptFunctionImpl func = new ScriptFunctionImpl(name, methodHandle, null, specs, false, true, false); + final ScriptFunctionImpl func = new ScriptFunctionImpl(name, methodHandle, null, specs, ScriptFunctionData.IS_BUILTIN); func.setPrototype(UNDEFINED); // Non-constructor built-in functions do not have "prototype" property func.deleteOwnProperty(func.getMap().findProperty("prototype")); diff --git a/nashorn/src/jdk/nashorn/internal/parser/Parser.java b/nashorn/src/jdk/nashorn/internal/parser/Parser.java index 60cbaccb68e..f6b962a93e1 100644 --- a/nashorn/src/jdk/nashorn/internal/parser/Parser.java +++ b/nashorn/src/jdk/nashorn/internal/parser/Parser.java @@ -1799,6 +1799,7 @@ loop: case THIS: final String name = type.getName(); next(); + lc.setFlag(lc.getCurrentFunction(), FunctionNode.USES_THIS); return new IdentNode(primaryToken, finish, name); case IDENT: final IdentNode ident = getIdent(); diff --git a/nashorn/src/jdk/nashorn/internal/runtime/AccessorProperty.java b/nashorn/src/jdk/nashorn/internal/runtime/AccessorProperty.java index 702ca76ba1f..d22a956760b 100644 --- a/nashorn/src/jdk/nashorn/internal/runtime/AccessorProperty.java +++ b/nashorn/src/jdk/nashorn/internal/runtime/AccessorProperty.java @@ -141,10 +141,12 @@ public final class AccessorProperty extends Property { private Class currentType; /** - * Delegate constructor. This is used when adding properties to the Global scope, which - * is necessary for outermost levels in a script (the ScriptObject is represented by - * a JO-prefixed ScriptObject class, but the properties need to be in the Global scope - * and are thus rebound with that as receiver + * Delegate constructor for bound properties. This is used for properties created by + * {@link ScriptRuntime#mergeScope} and the Nashorn {@code Object.bindProperties} method. + * The former is used to add a script's defined globals to the current global scope while + * still storing them in a JO-prefixed ScriptObject class. + * + *All properties created by this constructor have the {@link #IS_BOUND} flag set.
* * @param property accessor property to rebind * @param delegate delegate object to rebind receiver to @@ -157,6 +159,8 @@ public final class AccessorProperty extends Property { this.objectGetter = bindTo(property.ensureObjectGetter(), delegate); this.objectSetter = bindTo(property.ensureObjectSetter(), delegate); + // Properties created this way are bound to a delegate + this.flags |= IS_BOUND; setCurrentType(property.getCurrentType()); } diff --git a/nashorn/src/jdk/nashorn/internal/runtime/Context.java b/nashorn/src/jdk/nashorn/internal/runtime/Context.java index 3e6a1488fa3..f3ec08757d1 100644 --- a/nashorn/src/jdk/nashorn/internal/runtime/Context.java +++ b/nashorn/src/jdk/nashorn/internal/runtime/Context.java @@ -36,6 +36,8 @@ import java.io.IOException; import java.io.PrintWriter; import java.lang.invoke.MethodHandle; import java.lang.invoke.MethodHandles; +import java.lang.ref.ReferenceQueue; +import java.lang.ref.SoftReference; import java.lang.reflect.Modifier; import java.net.MalformedURLException; import java.net.URL; @@ -46,6 +48,7 @@ import java.security.CodeSource; import java.security.Permissions; import java.security.PrivilegedAction; import java.security.ProtectionDomain; +import java.util.LinkedHashMap; import java.util.Map; import java.util.concurrent.atomic.AtomicLong; import jdk.internal.org.objectweb.asm.ClassReader; @@ -153,16 +156,19 @@ public final class Context { /** Is Context global debug mode enabled ? */ public static final boolean DEBUG = Options.getBooleanProperty("nashorn.debug"); - private static final ThreadLocal